Merge remote-tracking branch 'qatar/master'
authorMichael Niedermayer <michaelni@gmx.at>
Fri, 26 Aug 2011 21:18:54 +0000 (23:18 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 26 Aug 2011 21:18:54 +0000 (23:18 +0200)
* qatar/master:
  fifo: add FIFO API test program, and fate test
  fifo: add av_fifo_peek2(), and deprecate av_fifo_peek()
  postprocess.c: filter name needs to be double 0 terminated
  doxygen: fix wrong comment syntax, //< vs. ///<
  doxygen: drop pointless star from pointer variable names
  Replace deprecated av_find_stream_info() by avformat_find_stream_info().
  xmv: eliminate superfluous zeroing of zero data
  configure: fix typo in avconv dependency list

Conflicts:
configure
doc/APIchanges
libavutil/Makefile
libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
20 files changed:
1  2 
configure
ffserver.c
libavcodec/aac.h
libavcodec/aacps.c
libavcodec/aacps.h
libavcodec/aacps_tablegen.h
libavcodec/avcodec.h
libavcodec/mpeg4audio.h
libavcodec/mpegvideo.h
libavcodec/s3tc.h
libavcodec/snow.c
libavcodec/truespeech.c
libavcodec/vp3.c
libavfilter/vf_drawbox.c
libavformat/seek-test.c
libavutil/Makefile
libavutil/avutil.h
libavutil/fifo.c
libavutil/fifo.h
tools/pktdumper.c

diff --cc configure
+++ b/configure
@@@ -1528,14 -1492,14 +1528,14 @@@ postproc_deps="gpl
  
  # programs
  ffmpeg_deps="avcodec avformat swscale"
 -ffmpeg_select="buffer_filter"
 +ffmpeg_select="buffer_filter buffersink_filter"
- av_deps="avcodec avformat swscale"
- av_select="buffer_filter"
+ avconv_deps="avcodec avformat swscale"
+ avconv_select="buffer_filter"
 -avplay_deps="avcodec avformat swscale sdl"
 -avplay_select="rdft"
 -avprobe_deps="avcodec avformat"
 -avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
 -avserver_extralibs='$ldl'
 +ffplay_deps="avcodec avformat swscale sdl"
 +ffplay_select="buffersink_filter rdft"
 +ffprobe_deps="avcodec avformat"
 +ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
 +ffserver_extralibs='$ldl'
  
  doc_deps="texi2html"
  
diff --cc ffserver.c
index 1795a2a,0000000..f0bdb82
mode 100644,000000..100644
--- /dev/null
@@@ -1,4743 -1,0 +1,4743 @@@
-     if (strcmp(s->iformat->name, "ffm") && av_find_stream_info(c->fmt_in) < 0) {
 +/*
 + * Multiple format streaming server
 + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
 + *
 + * This file is part of FFmpeg.
 + *
 + * FFmpeg is free software; you can redistribute it and/or
 + * modify it under the terms of the GNU Lesser General Public
 + * License as published by the Free Software Foundation; either
 + * version 2.1 of the License, or (at your option) any later version.
 + *
 + * FFmpeg is distributed in the hope that it will be useful,
 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 + * Lesser General Public License for more details.
 + *
 + * You should have received a copy of the GNU Lesser General Public
 + * License along with FFmpeg; if not, write to the Free Software
 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 + */
 +
 +#include "config.h"
 +#if !HAVE_CLOSESOCKET
 +#define closesocket close
 +#endif
 +#include <string.h>
 +#include <strings.h>
 +#include <stdlib.h>
 +#include "libavformat/avformat.h"
 +#include "libavformat/ffm.h"
 +#include "libavformat/network.h"
 +#include "libavformat/os_support.h"
 +#include "libavformat/rtpdec.h"
 +#include "libavformat/rtsp.h"
 +// XXX for ffio_open_dyn_packet_buffer, to be removed
 +#include "libavformat/avio_internal.h"
 +#include "libavutil/avstring.h"
 +#include "libavutil/lfg.h"
 +#include "libavutil/dict.h"
 +#include "libavutil/mathematics.h"
 +#include "libavutil/random_seed.h"
 +#include "libavutil/parseutils.h"
 +#include "libavutil/opt.h"
 +#include <stdarg.h>
 +#include <unistd.h>
 +#include <fcntl.h>
 +#include <sys/ioctl.h>
 +#if HAVE_POLL_H
 +#include <poll.h>
 +#endif
 +#include <errno.h>
 +#include <sys/time.h>
 +#include <time.h>
 +#include <sys/wait.h>
 +#include <signal.h>
 +#if HAVE_DLFCN_H
 +#include <dlfcn.h>
 +#endif
 +
 +#include "cmdutils.h"
 +
 +const char program_name[] = "ffserver";
 +const int program_birth_year = 2000;
 +
 +static const OptionDef options[];
 +
 +enum HTTPState {
 +    HTTPSTATE_WAIT_REQUEST,
 +    HTTPSTATE_SEND_HEADER,
 +    HTTPSTATE_SEND_DATA_HEADER,
 +    HTTPSTATE_SEND_DATA,          /* sending TCP or UDP data */
 +    HTTPSTATE_SEND_DATA_TRAILER,
 +    HTTPSTATE_RECEIVE_DATA,
 +    HTTPSTATE_WAIT_FEED,          /* wait for data from the feed */
 +    HTTPSTATE_READY,
 +
 +    RTSPSTATE_WAIT_REQUEST,
 +    RTSPSTATE_SEND_REPLY,
 +    RTSPSTATE_SEND_PACKET,
 +};
 +
 +static const char *http_state[] = {
 +    "HTTP_WAIT_REQUEST",
 +    "HTTP_SEND_HEADER",
 +
 +    "SEND_DATA_HEADER",
 +    "SEND_DATA",
 +    "SEND_DATA_TRAILER",
 +    "RECEIVE_DATA",
 +    "WAIT_FEED",
 +    "READY",
 +
 +    "RTSP_WAIT_REQUEST",
 +    "RTSP_SEND_REPLY",
 +    "RTSP_SEND_PACKET",
 +};
 +
 +#define MAX_STREAMS 20
 +
 +#define IOBUFFER_INIT_SIZE 8192
 +
 +/* timeouts are in ms */
 +#define HTTP_REQUEST_TIMEOUT (15 * 1000)
 +#define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
 +
 +#define SYNC_TIMEOUT (10 * 1000)
 +
 +typedef struct RTSPActionServerSetup {
 +    uint32_t ipaddr;
 +    char transport_option[512];
 +} RTSPActionServerSetup;
 +
 +typedef struct {
 +    int64_t count1, count2;
 +    int64_t time1, time2;
 +} DataRateData;
 +
 +/* context associated with one connection */
 +typedef struct HTTPContext {
 +    enum HTTPState state;
 +    int fd; /* socket file descriptor */
 +    struct sockaddr_in from_addr; /* origin */
 +    struct pollfd *poll_entry; /* used when polling */
 +    int64_t timeout;
 +    uint8_t *buffer_ptr, *buffer_end;
 +    int http_error;
 +    int post;
 +    int chunked_encoding;
 +    int chunk_size;               /* 0 if it needs to be read */
 +    struct HTTPContext *next;
 +    int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
 +    int64_t data_count;
 +    /* feed input */
 +    int feed_fd;
 +    /* input format handling */
 +    AVFormatContext *fmt_in;
 +    int64_t start_time;            /* In milliseconds - this wraps fairly often */
 +    int64_t first_pts;            /* initial pts value */
 +    int64_t cur_pts;             /* current pts value from the stream in us */
 +    int64_t cur_frame_duration;  /* duration of the current frame in us */
 +    int cur_frame_bytes;       /* output frame size, needed to compute
 +                                  the time at which we send each
 +                                  packet */
 +    int pts_stream_index;        /* stream we choose as clock reference */
 +    int64_t cur_clock;           /* current clock reference value in us */
 +    /* output format handling */
 +    struct FFStream *stream;
 +    /* -1 is invalid stream */
 +    int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
 +    int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
 +    int switch_pending;
 +    AVFormatContext fmt_ctx; /* instance of FFStream for one user */
 +    int last_packet_sent; /* true if last data packet was sent */
 +    int suppress_log;
 +    DataRateData datarate;
 +    int wmp_client_id;
 +    char protocol[16];
 +    char method[16];
 +    char url[128];
 +    int buffer_size;
 +    uint8_t *buffer;
 +    int is_packetized; /* if true, the stream is packetized */
 +    int packet_stream_index; /* current stream for output in state machine */
 +
 +    /* RTSP state specific */
 +    uint8_t *pb_buffer; /* XXX: use that in all the code */
 +    AVIOContext *pb;
 +    int seq; /* RTSP sequence number */
 +
 +    /* RTP state specific */
 +    enum RTSPLowerTransport rtp_protocol;
 +    char session_id[32]; /* session id */
 +    AVFormatContext *rtp_ctx[MAX_STREAMS];
 +
 +    /* RTP/UDP specific */
 +    URLContext *rtp_handles[MAX_STREAMS];
 +
 +    /* RTP/TCP specific */
 +    struct HTTPContext *rtsp_c;
 +    uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
 +} HTTPContext;
 +
 +/* each generated stream is described here */
 +enum StreamType {
 +    STREAM_TYPE_LIVE,
 +    STREAM_TYPE_STATUS,
 +    STREAM_TYPE_REDIRECT,
 +};
 +
 +enum IPAddressAction {
 +    IP_ALLOW = 1,
 +    IP_DENY,
 +};
 +
 +typedef struct IPAddressACL {
 +    struct IPAddressACL *next;
 +    enum IPAddressAction action;
 +    /* These are in host order */
 +    struct in_addr first;
 +    struct in_addr last;
 +} IPAddressACL;
 +
 +/* description of each stream of the ffserver.conf file */
 +typedef struct FFStream {
 +    enum StreamType stream_type;
 +    char filename[1024];     /* stream filename */
 +    struct FFStream *feed;   /* feed we are using (can be null if
 +                                coming from file) */
 +    AVDictionary *in_opts;   /* input parameters */
 +    AVInputFormat *ifmt;       /* if non NULL, force input format */
 +    AVOutputFormat *fmt;
 +    IPAddressACL *acl;
 +    char dynamic_acl[1024];
 +    int nb_streams;
 +    int prebuffer;      /* Number of millseconds early to start */
 +    int64_t max_time;      /* Number of milliseconds to run */
 +    int send_on_key;
 +    AVStream *streams[MAX_STREAMS];
 +    int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
 +    char feed_filename[1024]; /* file name of the feed storage, or
 +                                 input file name for a stream */
 +    char author[512];
 +    char title[512];
 +    char copyright[512];
 +    char comment[512];
 +    pid_t pid;  /* Of ffmpeg process */
 +    time_t pid_start;  /* Of ffmpeg process */
 +    char **child_argv;
 +    struct FFStream *next;
 +    unsigned bandwidth; /* bandwidth, in kbits/s */
 +    /* RTSP options */
 +    char *rtsp_option;
 +    /* multicast specific */
 +    int is_multicast;
 +    struct in_addr multicast_ip;
 +    int multicast_port; /* first port used for multicast */
 +    int multicast_ttl;
 +    int loop; /* if true, send the stream in loops (only meaningful if file) */
 +
 +    /* feed specific */
 +    int feed_opened;     /* true if someone is writing to the feed */
 +    int is_feed;         /* true if it is a feed */
 +    int readonly;        /* True if writing is prohibited to the file */
 +    int truncate;        /* True if feeder connection truncate the feed file */
 +    int conns_served;
 +    int64_t bytes_served;
 +    int64_t feed_max_size;      /* maximum storage size, zero means unlimited */
 +    int64_t feed_write_index;   /* current write position in feed (it wraps around) */
 +    int64_t feed_size;          /* current size of feed */
 +    struct FFStream *next_feed;
 +} FFStream;
 +
 +typedef struct FeedData {
 +    long long data_count;
 +    float avg_frame_size;   /* frame size averaged over last frames with exponential mean */
 +} FeedData;
 +
 +static struct sockaddr_in my_http_addr;
 +static struct sockaddr_in my_rtsp_addr;
 +
 +static char logfilename[1024];
 +static HTTPContext *first_http_ctx;
 +static FFStream *first_feed;   /* contains only feeds */
 +static FFStream *first_stream; /* contains all streams, including feeds */
 +
 +static void new_connection(int server_fd, int is_rtsp);
 +static void close_connection(HTTPContext *c);
 +
 +/* HTTP handling */
 +static int handle_connection(HTTPContext *c);
 +static int http_parse_request(HTTPContext *c);
 +static int http_send_data(HTTPContext *c);
 +static void compute_status(HTTPContext *c);
 +static int open_input_stream(HTTPContext *c, const char *info);
 +static int http_start_receive_data(HTTPContext *c);
 +static int http_receive_data(HTTPContext *c);
 +
 +/* RTSP handling */
 +static int rtsp_parse_request(HTTPContext *c);
 +static void rtsp_cmd_describe(HTTPContext *c, const char *url);
 +static void rtsp_cmd_options(HTTPContext *c, const char *url);
 +static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
 +static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
 +static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
 +static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
 +
 +/* SDP handling */
 +static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
 +                                   struct in_addr my_ip);
 +
 +/* RTP handling */
 +static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
 +                                       FFStream *stream, const char *session_id,
 +                                       enum RTSPLowerTransport rtp_protocol);
 +static int rtp_new_av_stream(HTTPContext *c,
 +                             int stream_index, struct sockaddr_in *dest_addr,
 +                             HTTPContext *rtsp_c);
 +
 +static const char *my_program_name;
 +static const char *my_program_dir;
 +
 +static const char *config_filename = "/etc/ffserver.conf";
 +
 +static int ffserver_debug;
 +static int ffserver_daemon;
 +static int no_launch;
 +static int need_to_start_children;
 +
 +/* maximum number of simultaneous HTTP connections */
 +static unsigned int nb_max_http_connections = 2000;
 +static unsigned int nb_max_connections = 5;
 +static unsigned int nb_connections;
 +
 +static uint64_t max_bandwidth = 1000;
 +static uint64_t current_bandwidth;
 +
 +static int64_t cur_time;           // Making this global saves on passing it around everywhere
 +
 +static AVLFG random_state;
 +
 +static FILE *logfile = NULL;
 +
 +/* FIXME: make ffserver work with IPv6 */
 +/* resolve host with also IP address parsing */
 +static int resolve_host(struct in_addr *sin_addr, const char *hostname)
 +{
 +
 +    if (!ff_inet_aton(hostname, sin_addr)) {
 +#if HAVE_GETADDRINFO
 +        struct addrinfo *ai, *cur;
 +        struct addrinfo hints;
 +        memset(&hints, 0, sizeof(hints));
 +        hints.ai_family = AF_INET;
 +        if (getaddrinfo(hostname, NULL, &hints, &ai))
 +            return -1;
 +        /* getaddrinfo returns a linked list of addrinfo structs.
 +         * Even if we set ai_family = AF_INET above, make sure
 +         * that the returned one actually is of the correct type. */
 +        for (cur = ai; cur; cur = cur->ai_next) {
 +            if (cur->ai_family == AF_INET) {
 +                *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
 +                freeaddrinfo(ai);
 +                return 0;
 +            }
 +        }
 +        freeaddrinfo(ai);
 +        return -1;
 +#else
 +        struct hostent *hp;
 +        hp = gethostbyname(hostname);
 +        if (!hp)
 +            return -1;
 +        memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
 +#endif
 +    }
 +    return 0;
 +}
 +
 +static char *ctime1(char *buf2)
 +{
 +    time_t ti;
 +    char *p;
 +
 +    ti = time(NULL);
 +    p = ctime(&ti);
 +    strcpy(buf2, p);
 +    p = buf2 + strlen(p) - 1;
 +    if (*p == '\n')
 +        *p = '\0';
 +    return buf2;
 +}
 +
 +static void http_vlog(const char *fmt, va_list vargs)
 +{
 +    static int print_prefix = 1;
 +    if (logfile) {
 +        if (print_prefix) {
 +            char buf[32];
 +            ctime1(buf);
 +            fprintf(logfile, "%s ", buf);
 +        }
 +        print_prefix = strstr(fmt, "\n") != NULL;
 +        vfprintf(logfile, fmt, vargs);
 +        fflush(logfile);
 +    }
 +}
 +
 +#ifdef __GNUC__
 +__attribute__ ((format (printf, 1, 2)))
 +#endif
 +static void http_log(const char *fmt, ...)
 +{
 +    va_list vargs;
 +    va_start(vargs, fmt);
 +    http_vlog(fmt, vargs);
 +    va_end(vargs);
 +}
 +
 +static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
 +{
 +    static int print_prefix = 1;
 +    AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
 +    if (level > av_log_get_level())
 +        return;
 +    if (print_prefix && avc)
 +        http_log("[%s @ %p]", avc->item_name(ptr), ptr);
 +    print_prefix = strstr(fmt, "\n") != NULL;
 +    http_vlog(fmt, vargs);
 +}
 +
 +static void log_connection(HTTPContext *c)
 +{
 +    if (c->suppress_log)
 +        return;
 +
 +    http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
 +             inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
 +             c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
 +}
 +
 +static void update_datarate(DataRateData *drd, int64_t count)
 +{
 +    if (!drd->time1 && !drd->count1) {
 +        drd->time1 = drd->time2 = cur_time;
 +        drd->count1 = drd->count2 = count;
 +    } else if (cur_time - drd->time2 > 5000) {
 +        drd->time1 = drd->time2;
 +        drd->count1 = drd->count2;
 +        drd->time2 = cur_time;
 +        drd->count2 = count;
 +    }
 +}
 +
 +/* In bytes per second */
 +static int compute_datarate(DataRateData *drd, int64_t count)
 +{
 +    if (cur_time == drd->time1)
 +        return 0;
 +
 +    return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
 +}
 +
 +
 +static void start_children(FFStream *feed)
 +{
 +    if (no_launch)
 +        return;
 +
 +    for (; feed; feed = feed->next) {
 +        if (feed->child_argv && !feed->pid) {
 +            feed->pid_start = time(0);
 +
 +            feed->pid = fork();
 +
 +            if (feed->pid < 0) {
 +                http_log("Unable to create children\n");
 +                exit(1);
 +            }
 +            if (!feed->pid) {
 +                /* In child */
 +                char pathname[1024];
 +                char *slash;
 +                int i;
 +
 +                av_strlcpy(pathname, my_program_name, sizeof(pathname));
 +
 +                slash = strrchr(pathname, '/');
 +                if (!slash)
 +                    slash = pathname;
 +                else
 +                    slash++;
 +                strcpy(slash, "ffmpeg");
 +
 +                http_log("Launch commandline: ");
 +                http_log("%s ", pathname);
 +                for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
 +                    http_log("%s ", feed->child_argv[i]);
 +                http_log("\n");
 +
 +                for (i = 3; i < 256; i++)
 +                    close(i);
 +
 +                if (!ffserver_debug) {
 +                    i = open("/dev/null", O_RDWR);
 +                    if (i != -1) {
 +                        dup2(i, 0);
 +                        dup2(i, 1);
 +                        dup2(i, 2);
 +                        close(i);
 +                    }
 +                }
 +
 +                /* This is needed to make relative pathnames work */
 +                chdir(my_program_dir);
 +
 +                signal(SIGPIPE, SIG_DFL);
 +
 +                execvp(pathname, feed->child_argv);
 +
 +                _exit(1);
 +            }
 +        }
 +    }
 +}
 +
 +/* open a listening socket */
 +static int socket_open_listen(struct sockaddr_in *my_addr)
 +{
 +    int server_fd, tmp;
 +
 +    server_fd = socket(AF_INET,SOCK_STREAM,0);
 +    if (server_fd < 0) {
 +        perror ("socket");
 +        return -1;
 +    }
 +
 +    tmp = 1;
 +    setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
 +
 +    if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
 +        char bindmsg[32];
 +        snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
 +        perror (bindmsg);
 +        closesocket(server_fd);
 +        return -1;
 +    }
 +
 +    if (listen (server_fd, 5) < 0) {
 +        perror ("listen");
 +        closesocket(server_fd);
 +        return -1;
 +    }
 +    ff_socket_nonblock(server_fd, 1);
 +
 +    return server_fd;
 +}
 +
 +/* start all multicast streams */
 +static void start_multicast(void)
 +{
 +    FFStream *stream;
 +    char session_id[32];
 +    HTTPContext *rtp_c;
 +    struct sockaddr_in dest_addr;
 +    int default_port, stream_index;
 +
 +    default_port = 6000;
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        if (stream->is_multicast) {
 +            /* open the RTP connection */
 +            snprintf(session_id, sizeof(session_id), "%08x%08x",
 +                     av_lfg_get(&random_state), av_lfg_get(&random_state));
 +
 +            /* choose a port if none given */
 +            if (stream->multicast_port == 0) {
 +                stream->multicast_port = default_port;
 +                default_port += 100;
 +            }
 +
 +            dest_addr.sin_family = AF_INET;
 +            dest_addr.sin_addr = stream->multicast_ip;
 +            dest_addr.sin_port = htons(stream->multicast_port);
 +
 +            rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
 +                                       RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
 +            if (!rtp_c)
 +                continue;
 +
 +            if (open_input_stream(rtp_c, "") < 0) {
 +                http_log("Could not open input stream for stream '%s'\n",
 +                         stream->filename);
 +                continue;
 +            }
 +
 +            /* open each RTP stream */
 +            for(stream_index = 0; stream_index < stream->nb_streams;
 +                stream_index++) {
 +                dest_addr.sin_port = htons(stream->multicast_port +
 +                                           2 * stream_index);
 +                if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
 +                    http_log("Could not open output stream '%s/streamid=%d'\n",
 +                             stream->filename, stream_index);
 +                    exit(1);
 +                }
 +            }
 +
 +            /* change state to send data */
 +            rtp_c->state = HTTPSTATE_SEND_DATA;
 +        }
 +    }
 +}
 +
 +/* main loop of the http server */
 +static int http_server(void)
 +{
 +    int server_fd = 0, rtsp_server_fd = 0;
 +    int ret, delay, delay1;
 +    struct pollfd *poll_table, *poll_entry;
 +    HTTPContext *c, *c_next;
 +
 +    if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
 +        http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
 +        return -1;
 +    }
 +
 +    if (my_http_addr.sin_port) {
 +        server_fd = socket_open_listen(&my_http_addr);
 +        if (server_fd < 0)
 +            return -1;
 +    }
 +
 +    if (my_rtsp_addr.sin_port) {
 +        rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
 +        if (rtsp_server_fd < 0)
 +            return -1;
 +    }
 +
 +    if (!rtsp_server_fd && !server_fd) {
 +        http_log("HTTP and RTSP disabled.\n");
 +        return -1;
 +    }
 +
 +    http_log("FFserver started.\n");
 +
 +    start_children(first_feed);
 +
 +    start_multicast();
 +
 +    for(;;) {
 +        poll_entry = poll_table;
 +        if (server_fd) {
 +            poll_entry->fd = server_fd;
 +            poll_entry->events = POLLIN;
 +            poll_entry++;
 +        }
 +        if (rtsp_server_fd) {
 +            poll_entry->fd = rtsp_server_fd;
 +            poll_entry->events = POLLIN;
 +            poll_entry++;
 +        }
 +
 +        /* wait for events on each HTTP handle */
 +        c = first_http_ctx;
 +        delay = 1000;
 +        while (c != NULL) {
 +            int fd;
 +            fd = c->fd;
 +            switch(c->state) {
 +            case HTTPSTATE_SEND_HEADER:
 +            case RTSPSTATE_SEND_REPLY:
 +            case RTSPSTATE_SEND_PACKET:
 +                c->poll_entry = poll_entry;
 +                poll_entry->fd = fd;
 +                poll_entry->events = POLLOUT;
 +                poll_entry++;
 +                break;
 +            case HTTPSTATE_SEND_DATA_HEADER:
 +            case HTTPSTATE_SEND_DATA:
 +            case HTTPSTATE_SEND_DATA_TRAILER:
 +                if (!c->is_packetized) {
 +                    /* for TCP, we output as much as we can (may need to put a limit) */
 +                    c->poll_entry = poll_entry;
 +                    poll_entry->fd = fd;
 +                    poll_entry->events = POLLOUT;
 +                    poll_entry++;
 +                } else {
 +                    /* when ffserver is doing the timing, we work by
 +                       looking at which packet need to be sent every
 +                       10 ms */
 +                    delay1 = 10; /* one tick wait XXX: 10 ms assumed */
 +                    if (delay1 < delay)
 +                        delay = delay1;
 +                }
 +                break;
 +            case HTTPSTATE_WAIT_REQUEST:
 +            case HTTPSTATE_RECEIVE_DATA:
 +            case HTTPSTATE_WAIT_FEED:
 +            case RTSPSTATE_WAIT_REQUEST:
 +                /* need to catch errors */
 +                c->poll_entry = poll_entry;
 +                poll_entry->fd = fd;
 +                poll_entry->events = POLLIN;/* Maybe this will work */
 +                poll_entry++;
 +                break;
 +            default:
 +                c->poll_entry = NULL;
 +                break;
 +            }
 +            c = c->next;
 +        }
 +
 +        /* wait for an event on one connection. We poll at least every
 +           second to handle timeouts */
 +        do {
 +            ret = poll(poll_table, poll_entry - poll_table, delay);
 +            if (ret < 0 && ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR))
 +                return -1;
 +        } while (ret < 0);
 +
 +        cur_time = av_gettime() / 1000;
 +
 +        if (need_to_start_children) {
 +            need_to_start_children = 0;
 +            start_children(first_feed);
 +        }
 +
 +        /* now handle the events */
 +        for(c = first_http_ctx; c != NULL; c = c_next) {
 +            c_next = c->next;
 +            if (handle_connection(c) < 0) {
 +                /* close and free the connection */
 +                log_connection(c);
 +                close_connection(c);
 +            }
 +        }
 +
 +        poll_entry = poll_table;
 +        if (server_fd) {
 +            /* new HTTP connection request ? */
 +            if (poll_entry->revents & POLLIN)
 +                new_connection(server_fd, 0);
 +            poll_entry++;
 +        }
 +        if (rtsp_server_fd) {
 +            /* new RTSP connection request ? */
 +            if (poll_entry->revents & POLLIN)
 +                new_connection(rtsp_server_fd, 1);
 +        }
 +    }
 +}
 +
 +/* start waiting for a new HTTP/RTSP request */
 +static void start_wait_request(HTTPContext *c, int is_rtsp)
 +{
 +    c->buffer_ptr = c->buffer;
 +    c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
 +
 +    if (is_rtsp) {
 +        c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
 +        c->state = RTSPSTATE_WAIT_REQUEST;
 +    } else {
 +        c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
 +        c->state = HTTPSTATE_WAIT_REQUEST;
 +    }
 +}
 +
 +static void http_send_too_busy_reply(int fd)
 +{
 +    char buffer[300];
 +    int len = snprintf(buffer, sizeof(buffer),
 +                       "HTTP/1.0 503 Server too busy\r\n"
 +                       "Content-type: text/html\r\n"
 +                       "\r\n"
 +                       "<html><head><title>Too busy</title></head><body>\r\n"
 +                       "<p>The server is too busy to serve your request at this time.</p>\r\n"
 +                       "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
 +                       "</body></html>\r\n",
 +                       nb_connections, nb_max_connections);
 +    send(fd, buffer, len, 0);
 +}
 +
 +
 +static void new_connection(int server_fd, int is_rtsp)
 +{
 +    struct sockaddr_in from_addr;
 +    int fd, len;
 +    HTTPContext *c = NULL;
 +
 +    len = sizeof(from_addr);
 +    fd = accept(server_fd, (struct sockaddr *)&from_addr,
 +                &len);
 +    if (fd < 0) {
 +        http_log("error during accept %s\n", strerror(errno));
 +        return;
 +    }
 +    ff_socket_nonblock(fd, 1);
 +
 +    if (nb_connections >= nb_max_connections) {
 +        http_send_too_busy_reply(fd);
 +        goto fail;
 +    }
 +
 +    /* add a new connection */
 +    c = av_mallocz(sizeof(HTTPContext));
 +    if (!c)
 +        goto fail;
 +
 +    c->fd = fd;
 +    c->poll_entry = NULL;
 +    c->from_addr = from_addr;
 +    c->buffer_size = IOBUFFER_INIT_SIZE;
 +    c->buffer = av_malloc(c->buffer_size);
 +    if (!c->buffer)
 +        goto fail;
 +
 +    c->next = first_http_ctx;
 +    first_http_ctx = c;
 +    nb_connections++;
 +
 +    start_wait_request(c, is_rtsp);
 +
 +    return;
 +
 + fail:
 +    if (c) {
 +        av_free(c->buffer);
 +        av_free(c);
 +    }
 +    closesocket(fd);
 +}
 +
 +static void close_connection(HTTPContext *c)
 +{
 +    HTTPContext **cp, *c1;
 +    int i, nb_streams;
 +    AVFormatContext *ctx;
 +    URLContext *h;
 +    AVStream *st;
 +
 +    /* remove connection from list */
 +    cp = &first_http_ctx;
 +    while ((*cp) != NULL) {
 +        c1 = *cp;
 +        if (c1 == c)
 +            *cp = c->next;
 +        else
 +            cp = &c1->next;
 +    }
 +
 +    /* remove references, if any (XXX: do it faster) */
 +    for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
 +        if (c1->rtsp_c == c)
 +            c1->rtsp_c = NULL;
 +    }
 +
 +    /* remove connection associated resources */
 +    if (c->fd >= 0)
 +        closesocket(c->fd);
 +    if (c->fmt_in) {
 +        /* close each frame parser */
 +        for(i=0;i<c->fmt_in->nb_streams;i++) {
 +            st = c->fmt_in->streams[i];
 +            if (st->codec->codec)
 +                avcodec_close(st->codec);
 +        }
 +        av_close_input_file(c->fmt_in);
 +    }
 +
 +    /* free RTP output streams if any */
 +    nb_streams = 0;
 +    if (c->stream)
 +        nb_streams = c->stream->nb_streams;
 +
 +    for(i=0;i<nb_streams;i++) {
 +        ctx = c->rtp_ctx[i];
 +        if (ctx) {
 +            av_write_trailer(ctx);
 +            av_dict_free(&ctx->metadata);
 +            av_free(ctx->streams[0]);
 +            av_free(ctx);
 +        }
 +        h = c->rtp_handles[i];
 +        if (h)
 +            url_close(h);
 +    }
 +
 +    ctx = &c->fmt_ctx;
 +
 +    if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
 +        if (ctx->oformat) {
 +            /* prepare header */
 +            if (avio_open_dyn_buf(&ctx->pb) >= 0) {
 +                av_write_trailer(ctx);
 +                av_freep(&c->pb_buffer);
 +                avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
 +            }
 +        }
 +    }
 +
 +    for(i=0; i<ctx->nb_streams; i++)
 +        av_free(ctx->streams[i]);
 +
 +    if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
 +        current_bandwidth -= c->stream->bandwidth;
 +
 +    /* signal that there is no feed if we are the feeder socket */
 +    if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
 +        c->stream->feed_opened = 0;
 +        close(c->feed_fd);
 +    }
 +
 +    av_freep(&c->pb_buffer);
 +    av_freep(&c->packet_buffer);
 +    av_free(c->buffer);
 +    av_free(c);
 +    nb_connections--;
 +}
 +
 +static int handle_connection(HTTPContext *c)
 +{
 +    int len, ret;
 +
 +    switch(c->state) {
 +    case HTTPSTATE_WAIT_REQUEST:
 +    case RTSPSTATE_WAIT_REQUEST:
 +        /* timeout ? */
 +        if ((c->timeout - cur_time) < 0)
 +            return -1;
 +        if (c->poll_entry->revents & (POLLERR | POLLHUP))
 +            return -1;
 +
 +        /* no need to read if no events */
 +        if (!(c->poll_entry->revents & POLLIN))
 +            return 0;
 +        /* read the data */
 +    read_loop:
 +        len = recv(c->fd, c->buffer_ptr, 1, 0);
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR))
 +                return -1;
 +        } else if (len == 0) {
 +            return -1;
 +        } else {
 +            /* search for end of request. */
 +            uint8_t *ptr;
 +            c->buffer_ptr += len;
 +            ptr = c->buffer_ptr;
 +            if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
 +                (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
 +                /* request found : parse it and reply */
 +                if (c->state == HTTPSTATE_WAIT_REQUEST) {
 +                    ret = http_parse_request(c);
 +                } else {
 +                    ret = rtsp_parse_request(c);
 +                }
 +                if (ret < 0)
 +                    return -1;
 +            } else if (ptr >= c->buffer_end) {
 +                /* request too long: cannot do anything */
 +                return -1;
 +            } else goto read_loop;
 +        }
 +        break;
 +
 +    case HTTPSTATE_SEND_HEADER:
 +        if (c->poll_entry->revents & (POLLERR | POLLHUP))
 +            return -1;
 +
 +        /* no need to write if no events */
 +        if (!(c->poll_entry->revents & POLLOUT))
 +            return 0;
 +        len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR)) {
 +                /* error : close connection */
 +                av_freep(&c->pb_buffer);
 +                return -1;
 +            }
 +        } else {
 +            c->buffer_ptr += len;
 +            if (c->stream)
 +                c->stream->bytes_served += len;
 +            c->data_count += len;
 +            if (c->buffer_ptr >= c->buffer_end) {
 +                av_freep(&c->pb_buffer);
 +                /* if error, exit */
 +                if (c->http_error)
 +                    return -1;
 +                /* all the buffer was sent : synchronize to the incoming stream */
 +                c->state = HTTPSTATE_SEND_DATA_HEADER;
 +                c->buffer_ptr = c->buffer_end = c->buffer;
 +            }
 +        }
 +        break;
 +
 +    case HTTPSTATE_SEND_DATA:
 +    case HTTPSTATE_SEND_DATA_HEADER:
 +    case HTTPSTATE_SEND_DATA_TRAILER:
 +        /* for packetized output, we consider we can always write (the
 +           input streams sets the speed). It may be better to verify
 +           that we do not rely too much on the kernel queues */
 +        if (!c->is_packetized) {
 +            if (c->poll_entry->revents & (POLLERR | POLLHUP))
 +                return -1;
 +
 +            /* no need to read if no events */
 +            if (!(c->poll_entry->revents & POLLOUT))
 +                return 0;
 +        }
 +        if (http_send_data(c) < 0)
 +            return -1;
 +        /* close connection if trailer sent */
 +        if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
 +            return -1;
 +        break;
 +    case HTTPSTATE_RECEIVE_DATA:
 +        /* no need to read if no events */
 +        if (c->poll_entry->revents & (POLLERR | POLLHUP))
 +            return -1;
 +        if (!(c->poll_entry->revents & POLLIN))
 +            return 0;
 +        if (http_receive_data(c) < 0)
 +            return -1;
 +        break;
 +    case HTTPSTATE_WAIT_FEED:
 +        /* no need to read if no events */
 +        if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
 +            return -1;
 +
 +        /* nothing to do, we'll be waken up by incoming feed packets */
 +        break;
 +
 +    case RTSPSTATE_SEND_REPLY:
 +        if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
 +            av_freep(&c->pb_buffer);
 +            return -1;
 +        }
 +        /* no need to write if no events */
 +        if (!(c->poll_entry->revents & POLLOUT))
 +            return 0;
 +        len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR)) {
 +                /* error : close connection */
 +                av_freep(&c->pb_buffer);
 +                return -1;
 +            }
 +        } else {
 +            c->buffer_ptr += len;
 +            c->data_count += len;
 +            if (c->buffer_ptr >= c->buffer_end) {
 +                /* all the buffer was sent : wait for a new request */
 +                av_freep(&c->pb_buffer);
 +                start_wait_request(c, 1);
 +            }
 +        }
 +        break;
 +    case RTSPSTATE_SEND_PACKET:
 +        if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
 +            av_freep(&c->packet_buffer);
 +            return -1;
 +        }
 +        /* no need to write if no events */
 +        if (!(c->poll_entry->revents & POLLOUT))
 +            return 0;
 +        len = send(c->fd, c->packet_buffer_ptr,
 +                    c->packet_buffer_end - c->packet_buffer_ptr, 0);
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR)) {
 +                /* error : close connection */
 +                av_freep(&c->packet_buffer);
 +                return -1;
 +            }
 +        } else {
 +            c->packet_buffer_ptr += len;
 +            if (c->packet_buffer_ptr >= c->packet_buffer_end) {
 +                /* all the buffer was sent : wait for a new request */
 +                av_freep(&c->packet_buffer);
 +                c->state = RTSPSTATE_WAIT_REQUEST;
 +            }
 +        }
 +        break;
 +    case HTTPSTATE_READY:
 +        /* nothing to do */
 +        break;
 +    default:
 +        return -1;
 +    }
 +    return 0;
 +}
 +
 +static int extract_rates(char *rates, int ratelen, const char *request)
 +{
 +    const char *p;
 +
 +    for (p = request; *p && *p != '\r' && *p != '\n'; ) {
 +        if (strncasecmp(p, "Pragma:", 7) == 0) {
 +            const char *q = p + 7;
 +
 +            while (*q && *q != '\n' && isspace(*q))
 +                q++;
 +
 +            if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
 +                int stream_no;
 +                int rate_no;
 +
 +                q += 20;
 +
 +                memset(rates, 0xff, ratelen);
 +
 +                while (1) {
 +                    while (*q && *q != '\n' && *q != ':')
 +                        q++;
 +
 +                    if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
 +                        break;
 +
 +                    stream_no--;
 +                    if (stream_no < ratelen && stream_no >= 0)
 +                        rates[stream_no] = rate_no;
 +
 +                    while (*q && *q != '\n' && !isspace(*q))
 +                        q++;
 +                }
 +
 +                return 1;
 +            }
 +        }
 +        p = strchr(p, '\n');
 +        if (!p)
 +            break;
 +
 +        p++;
 +    }
 +
 +    return 0;
 +}
 +
 +static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
 +{
 +    int i;
 +    int best_bitrate = 100000000;
 +    int best = -1;
 +
 +    for (i = 0; i < feed->nb_streams; i++) {
 +        AVCodecContext *feed_codec = feed->streams[i]->codec;
 +
 +        if (feed_codec->codec_id != codec->codec_id ||
 +            feed_codec->sample_rate != codec->sample_rate ||
 +            feed_codec->width != codec->width ||
 +            feed_codec->height != codec->height)
 +            continue;
 +
 +        /* Potential stream */
 +
 +        /* We want the fastest stream less than bit_rate, or the slowest
 +         * faster than bit_rate
 +         */
 +
 +        if (feed_codec->bit_rate <= bit_rate) {
 +            if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
 +                best_bitrate = feed_codec->bit_rate;
 +                best = i;
 +            }
 +        } else {
 +            if (feed_codec->bit_rate < best_bitrate) {
 +                best_bitrate = feed_codec->bit_rate;
 +                best = i;
 +            }
 +        }
 +    }
 +
 +    return best;
 +}
 +
 +static int modify_current_stream(HTTPContext *c, char *rates)
 +{
 +    int i;
 +    FFStream *req = c->stream;
 +    int action_required = 0;
 +
 +    /* Not much we can do for a feed */
 +    if (!req->feed)
 +        return 0;
 +
 +    for (i = 0; i < req->nb_streams; i++) {
 +        AVCodecContext *codec = req->streams[i]->codec;
 +
 +        switch(rates[i]) {
 +            case 0:
 +                c->switch_feed_streams[i] = req->feed_streams[i];
 +                break;
 +            case 1:
 +                c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
 +                break;
 +            case 2:
 +                /* Wants off or slow */
 +                c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
 +#ifdef WANTS_OFF
 +                /* This doesn't work well when it turns off the only stream! */
 +                c->switch_feed_streams[i] = -2;
 +                c->feed_streams[i] = -2;
 +#endif
 +                break;
 +        }
 +
 +        if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
 +            action_required = 1;
 +    }
 +
 +    return action_required;
 +}
 +
 +/* XXX: factorize in utils.c ? */
 +/* XXX: take care with different space meaning */
 +static void skip_spaces(const char **pp)
 +{
 +    const char *p;
 +    p = *pp;
 +    while (*p == ' ' || *p == '\t')
 +        p++;
 +    *pp = p;
 +}
 +
 +static void get_word(char *buf, int buf_size, const char **pp)
 +{
 +    const char *p;
 +    char *q;
 +
 +    p = *pp;
 +    skip_spaces(&p);
 +    q = buf;
 +    while (!isspace(*p) && *p != '\0') {
 +        if ((q - buf) < buf_size - 1)
 +            *q++ = *p;
 +        p++;
 +    }
 +    if (buf_size > 0)
 +        *q = '\0';
 +    *pp = p;
 +}
 +
 +static void get_arg(char *buf, int buf_size, const char **pp)
 +{
 +    const char *p;
 +    char *q;
 +    int quote;
 +
 +    p = *pp;
 +    while (isspace(*p)) p++;
 +    q = buf;
 +    quote = 0;
 +    if (*p == '\"' || *p == '\'')
 +        quote = *p++;
 +    for(;;) {
 +        if (quote) {
 +            if (*p == quote)
 +                break;
 +        } else {
 +            if (isspace(*p))
 +                break;
 +        }
 +        if (*p == '\0')
 +            break;
 +        if ((q - buf) < buf_size - 1)
 +            *q++ = *p;
 +        p++;
 +    }
 +    *q = '\0';
 +    if (quote && *p == quote)
 +        p++;
 +    *pp = p;
 +}
 +
 +static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_acl,
 +                         const char *p, const char *filename, int line_num)
 +{
 +    char arg[1024];
 +    IPAddressACL acl;
 +    int errors = 0;
 +
 +    get_arg(arg, sizeof(arg), &p);
 +    if (strcasecmp(arg, "allow") == 0)
 +        acl.action = IP_ALLOW;
 +    else if (strcasecmp(arg, "deny") == 0)
 +        acl.action = IP_DENY;
 +    else {
 +        fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
 +                filename, line_num, arg);
 +        errors++;
 +    }
 +
 +    get_arg(arg, sizeof(arg), &p);
 +
 +    if (resolve_host(&acl.first, arg) != 0) {
 +        fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
 +                filename, line_num, arg);
 +        errors++;
 +    } else
 +        acl.last = acl.first;
 +
 +    get_arg(arg, sizeof(arg), &p);
 +
 +    if (arg[0]) {
 +        if (resolve_host(&acl.last, arg) != 0) {
 +            fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
 +                    filename, line_num, arg);
 +            errors++;
 +        }
 +    }
 +
 +    if (!errors) {
 +        IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
 +        IPAddressACL **naclp = 0;
 +
 +        acl.next = 0;
 +        *nacl = acl;
 +
 +        if (stream)
 +            naclp = &stream->acl;
 +        else if (feed)
 +            naclp = &feed->acl;
 +        else if (ext_acl)
 +            naclp = &ext_acl;
 +        else {
 +            fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
 +                    filename, line_num);
 +            errors++;
 +        }
 +
 +        if (naclp) {
 +            while (*naclp)
 +                naclp = &(*naclp)->next;
 +
 +            *naclp = nacl;
 +        }
 +    }
 +}
 +
 +
 +static IPAddressACL* parse_dynamic_acl(FFStream *stream, HTTPContext *c)
 +{
 +    FILE* f;
 +    char line[1024];
 +    char  cmd[1024];
 +    IPAddressACL *acl = NULL;
 +    int line_num = 0;
 +    const char *p;
 +
 +    f = fopen(stream->dynamic_acl, "r");
 +    if (!f) {
 +        perror(stream->dynamic_acl);
 +        return NULL;
 +    }
 +
 +    acl = av_mallocz(sizeof(IPAddressACL));
 +
 +    /* Build ACL */
 +    for(;;) {
 +        if (fgets(line, sizeof(line), f) == NULL)
 +            break;
 +        line_num++;
 +        p = line;
 +        while (isspace(*p))
 +            p++;
 +        if (*p == '\0' || *p == '#')
 +            continue;
 +        get_arg(cmd, sizeof(cmd), &p);
 +
 +        if (!strcasecmp(cmd, "ACL"))
 +            parse_acl_row(NULL, NULL, acl, p, stream->dynamic_acl, line_num);
 +    }
 +    fclose(f);
 +    return acl;
 +}
 +
 +
 +static void free_acl_list(IPAddressACL *in_acl)
 +{
 +    IPAddressACL *pacl,*pacl2;
 +
 +    pacl = in_acl;
 +    while(pacl) {
 +        pacl2 = pacl;
 +        pacl = pacl->next;
 +        av_freep(pacl2);
 +    }
 +}
 +
 +static int validate_acl_list(IPAddressACL *in_acl, HTTPContext *c)
 +{
 +    enum IPAddressAction last_action = IP_DENY;
 +    IPAddressACL *acl;
 +    struct in_addr *src = &c->from_addr.sin_addr;
 +    unsigned long src_addr = src->s_addr;
 +
 +    for (acl = in_acl; acl; acl = acl->next) {
 +        if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
 +            return (acl->action == IP_ALLOW) ? 1 : 0;
 +        last_action = acl->action;
 +    }
 +
 +    /* Nothing matched, so return not the last action */
 +    return (last_action == IP_DENY) ? 1 : 0;
 +}
 +
 +static int validate_acl(FFStream *stream, HTTPContext *c)
 +{
 +    int ret = 0;
 +    IPAddressACL *acl;
 +
 +
 +    /* if stream->acl is null validate_acl_list will return 1 */
 +    ret = validate_acl_list(stream->acl, c);
 +
 +    if (stream->dynamic_acl[0]) {
 +        acl = parse_dynamic_acl(stream, c);
 +
 +        ret = validate_acl_list(acl, c);
 +
 +        free_acl_list(acl);
 +    }
 +
 +    return ret;
 +}
 +
 +/* compute the real filename of a file by matching it without its
 +   extensions to all the stream filenames */
 +static void compute_real_filename(char *filename, int max_size)
 +{
 +    char file1[1024];
 +    char file2[1024];
 +    char *p;
 +    FFStream *stream;
 +
 +    /* compute filename by matching without the file extensions */
 +    av_strlcpy(file1, filename, sizeof(file1));
 +    p = strrchr(file1, '.');
 +    if (p)
 +        *p = '\0';
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        av_strlcpy(file2, stream->filename, sizeof(file2));
 +        p = strrchr(file2, '.');
 +        if (p)
 +            *p = '\0';
 +        if (!strcmp(file1, file2)) {
 +            av_strlcpy(filename, stream->filename, max_size);
 +            break;
 +        }
 +    }
 +}
 +
 +enum RedirType {
 +    REDIR_NONE,
 +    REDIR_ASX,
 +    REDIR_RAM,
 +    REDIR_ASF,
 +    REDIR_RTSP,
 +    REDIR_SDP,
 +};
 +
 +/* parse http request and prepare header */
 +static int http_parse_request(HTTPContext *c)
 +{
 +    char *p;
 +    enum RedirType redir_type;
 +    char cmd[32];
 +    char info[1024], filename[1024];
 +    char url[1024], *q;
 +    char protocol[32];
 +    char msg[1024];
 +    const char *mime_type;
 +    FFStream *stream;
 +    int i;
 +    char ratebuf[32];
 +    char *useragent = 0;
 +
 +    p = c->buffer;
 +    get_word(cmd, sizeof(cmd), (const char **)&p);
 +    av_strlcpy(c->method, cmd, sizeof(c->method));
 +
 +    if (!strcmp(cmd, "GET"))
 +        c->post = 0;
 +    else if (!strcmp(cmd, "POST"))
 +        c->post = 1;
 +    else
 +        return -1;
 +
 +    get_word(url, sizeof(url), (const char **)&p);
 +    av_strlcpy(c->url, url, sizeof(c->url));
 +
 +    get_word(protocol, sizeof(protocol), (const char **)&p);
 +    if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
 +        return -1;
 +
 +    av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
 +
 +    if (ffserver_debug)
 +        http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
 +
 +    /* find the filename and the optional info string in the request */
 +    p = strchr(url, '?');
 +    if (p) {
 +        av_strlcpy(info, p, sizeof(info));
 +        *p = '\0';
 +    } else
 +        info[0] = '\0';
 +
 +    av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
 +
 +    for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
 +        if (strncasecmp(p, "User-Agent:", 11) == 0) {
 +            useragent = p + 11;
 +            if (*useragent && *useragent != '\n' && isspace(*useragent))
 +                useragent++;
 +            break;
 +        }
 +        p = strchr(p, '\n');
 +        if (!p)
 +            break;
 +
 +        p++;
 +    }
 +
 +    redir_type = REDIR_NONE;
 +    if (av_match_ext(filename, "asx")) {
 +        redir_type = REDIR_ASX;
 +        filename[strlen(filename)-1] = 'f';
 +    } else if (av_match_ext(filename, "asf") &&
 +        (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
 +        /* if this isn't WMP or lookalike, return the redirector file */
 +        redir_type = REDIR_ASF;
 +    } else if (av_match_ext(filename, "rpm,ram")) {
 +        redir_type = REDIR_RAM;
 +        strcpy(filename + strlen(filename)-2, "m");
 +    } else if (av_match_ext(filename, "rtsp")) {
 +        redir_type = REDIR_RTSP;
 +        compute_real_filename(filename, sizeof(filename) - 1);
 +    } else if (av_match_ext(filename, "sdp")) {
 +        redir_type = REDIR_SDP;
 +        compute_real_filename(filename, sizeof(filename) - 1);
 +    }
 +
 +    // "redirect" / request to index.html
 +    if (!strlen(filename))
 +        av_strlcpy(filename, "index.html", sizeof(filename) - 1);
 +
 +    stream = first_stream;
 +    while (stream != NULL) {
 +        if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
 +            break;
 +        stream = stream->next;
 +    }
 +    if (stream == NULL) {
 +        snprintf(msg, sizeof(msg), "File '%s' not found", url);
 +        http_log("File '%s' not found\n", url);
 +        goto send_error;
 +    }
 +
 +    c->stream = stream;
 +    memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
 +    memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
 +
 +    if (stream->stream_type == STREAM_TYPE_REDIRECT) {
 +        c->http_error = 301;
 +        q = c->buffer;
 +        q += snprintf(q, c->buffer_size,
 +                      "HTTP/1.0 301 Moved\r\n"
 +                      "Location: %s\r\n"
 +                      "Content-type: text/html\r\n"
 +                      "\r\n"
 +                      "<html><head><title>Moved</title></head><body>\r\n"
 +                      "You should be <a href=\"%s\">redirected</a>.\r\n"
 +                      "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
 +        /* prepare output buffer */
 +        c->buffer_ptr = c->buffer;
 +        c->buffer_end = q;
 +        c->state = HTTPSTATE_SEND_HEADER;
 +        return 0;
 +    }
 +
 +    /* If this is WMP, get the rate information */
 +    if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
 +        if (modify_current_stream(c, ratebuf)) {
 +            for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
 +                if (c->switch_feed_streams[i] >= 0)
 +                    c->switch_feed_streams[i] = -1;
 +            }
 +        }
 +    }
 +
 +    if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
 +        current_bandwidth += stream->bandwidth;
 +
 +    /* If already streaming this feed, do not let start another feeder. */
 +    if (stream->feed_opened) {
 +        snprintf(msg, sizeof(msg), "This feed is already being received.");
 +        http_log("Feed '%s' already being received\n", stream->feed_filename);
 +        goto send_error;
 +    }
 +
 +    if (c->post == 0 && max_bandwidth < current_bandwidth) {
 +        c->http_error = 503;
 +        q = c->buffer;
 +        q += snprintf(q, c->buffer_size,
 +                      "HTTP/1.0 503 Server too busy\r\n"
 +                      "Content-type: text/html\r\n"
 +                      "\r\n"
 +                      "<html><head><title>Too busy</title></head><body>\r\n"
 +                      "<p>The server is too busy to serve your request at this time.</p>\r\n"
 +                      "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
 +                      "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
 +                      "</body></html>\r\n", current_bandwidth, max_bandwidth);
 +        /* prepare output buffer */
 +        c->buffer_ptr = c->buffer;
 +        c->buffer_end = q;
 +        c->state = HTTPSTATE_SEND_HEADER;
 +        return 0;
 +    }
 +
 +    if (redir_type != REDIR_NONE) {
 +        char *hostinfo = 0;
 +
 +        for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
 +            if (strncasecmp(p, "Host:", 5) == 0) {
 +                hostinfo = p + 5;
 +                break;
 +            }
 +            p = strchr(p, '\n');
 +            if (!p)
 +                break;
 +
 +            p++;
 +        }
 +
 +        if (hostinfo) {
 +            char *eoh;
 +            char hostbuf[260];
 +
 +            while (isspace(*hostinfo))
 +                hostinfo++;
 +
 +            eoh = strchr(hostinfo, '\n');
 +            if (eoh) {
 +                if (eoh[-1] == '\r')
 +                    eoh--;
 +
 +                if (eoh - hostinfo < sizeof(hostbuf) - 1) {
 +                    memcpy(hostbuf, hostinfo, eoh - hostinfo);
 +                    hostbuf[eoh - hostinfo] = 0;
 +
 +                    c->http_error = 200;
 +                    q = c->buffer;
 +                    switch(redir_type) {
 +                    case REDIR_ASX:
 +                        q += snprintf(q, c->buffer_size,
 +                                      "HTTP/1.0 200 ASX Follows\r\n"
 +                                      "Content-type: video/x-ms-asf\r\n"
 +                                      "\r\n"
 +                                      "<ASX Version=\"3\">\r\n"
 +                                      //"<!-- Autogenerated by ffserver -->\r\n"
 +                                      "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
 +                                      "</ASX>\r\n", hostbuf, filename, info);
 +                        break;
 +                    case REDIR_RAM:
 +                        q += snprintf(q, c->buffer_size,
 +                                      "HTTP/1.0 200 RAM Follows\r\n"
 +                                      "Content-type: audio/x-pn-realaudio\r\n"
 +                                      "\r\n"
 +                                      "# Autogenerated by ffserver\r\n"
 +                                      "http://%s/%s%s\r\n", hostbuf, filename, info);
 +                        break;
 +                    case REDIR_ASF:
 +                        q += snprintf(q, c->buffer_size,
 +                                      "HTTP/1.0 200 ASF Redirect follows\r\n"
 +                                      "Content-type: video/x-ms-asf\r\n"
 +                                      "\r\n"
 +                                      "[Reference]\r\n"
 +                                      "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
 +                        break;
 +                    case REDIR_RTSP:
 +                        {
 +                            char hostname[256], *p;
 +                            /* extract only hostname */
 +                            av_strlcpy(hostname, hostbuf, sizeof(hostname));
 +                            p = strrchr(hostname, ':');
 +                            if (p)
 +                                *p = '\0';
 +                            q += snprintf(q, c->buffer_size,
 +                                          "HTTP/1.0 200 RTSP Redirect follows\r\n"
 +                                          /* XXX: incorrect mime type ? */
 +                                          "Content-type: application/x-rtsp\r\n"
 +                                          "\r\n"
 +                                          "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
 +                        }
 +                        break;
 +                    case REDIR_SDP:
 +                        {
 +                            uint8_t *sdp_data;
 +                            int sdp_data_size, len;
 +                            struct sockaddr_in my_addr;
 +
 +                            q += snprintf(q, c->buffer_size,
 +                                          "HTTP/1.0 200 OK\r\n"
 +                                          "Content-type: application/sdp\r\n"
 +                                          "\r\n");
 +
 +                            len = sizeof(my_addr);
 +                            getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
 +
 +                            /* XXX: should use a dynamic buffer */
 +                            sdp_data_size = prepare_sdp_description(stream,
 +                                                                    &sdp_data,
 +                                                                    my_addr.sin_addr);
 +                            if (sdp_data_size > 0) {
 +                                memcpy(q, sdp_data, sdp_data_size);
 +                                q += sdp_data_size;
 +                                *q = '\0';
 +                                av_free(sdp_data);
 +                            }
 +                        }
 +                        break;
 +                    default:
 +                        abort();
 +                        break;
 +                    }
 +
 +                    /* prepare output buffer */
 +                    c->buffer_ptr = c->buffer;
 +                    c->buffer_end = q;
 +                    c->state = HTTPSTATE_SEND_HEADER;
 +                    return 0;
 +                }
 +            }
 +        }
 +
 +        snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
 +        goto send_error;
 +    }
 +
 +    stream->conns_served++;
 +
 +    /* XXX: add there authenticate and IP match */
 +
 +    if (c->post) {
 +        /* if post, it means a feed is being sent */
 +        if (!stream->is_feed) {
 +            /* However it might be a status report from WMP! Let us log the
 +             * data as it might come in handy one day. */
 +            char *logline = 0;
 +            int client_id = 0;
 +
 +            for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
 +                if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
 +                    logline = p;
 +                    break;
 +                }
 +                if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
 +                    client_id = strtol(p + 18, 0, 10);
 +                p = strchr(p, '\n');
 +                if (!p)
 +                    break;
 +
 +                p++;
 +            }
 +
 +            if (logline) {
 +                char *eol = strchr(logline, '\n');
 +
 +                logline += 17;
 +
 +                if (eol) {
 +                    if (eol[-1] == '\r')
 +                        eol--;
 +                    http_log("%.*s\n", (int) (eol - logline), logline);
 +                    c->suppress_log = 1;
 +                }
 +            }
 +
 +#ifdef DEBUG
 +            http_log("\nGot request:\n%s\n", c->buffer);
 +#endif
 +
 +            if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
 +                HTTPContext *wmpc;
 +
 +                /* Now we have to find the client_id */
 +                for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
 +                    if (wmpc->wmp_client_id == client_id)
 +                        break;
 +                }
 +
 +                if (wmpc && modify_current_stream(wmpc, ratebuf))
 +                    wmpc->switch_pending = 1;
 +            }
 +
 +            snprintf(msg, sizeof(msg), "POST command not handled");
 +            c->stream = 0;
 +            goto send_error;
 +        }
 +        if (http_start_receive_data(c) < 0) {
 +            snprintf(msg, sizeof(msg), "could not open feed");
 +            goto send_error;
 +        }
 +        c->http_error = 0;
 +        c->state = HTTPSTATE_RECEIVE_DATA;
 +        return 0;
 +    }
 +
 +#ifdef DEBUG
 +    if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
 +        http_log("\nGot request:\n%s\n", c->buffer);
 +#endif
 +
 +    if (c->stream->stream_type == STREAM_TYPE_STATUS)
 +        goto send_status;
 +
 +    /* open input stream */
 +    if (open_input_stream(c, info) < 0) {
 +        snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
 +        goto send_error;
 +    }
 +
 +    /* prepare http header */
 +    q = c->buffer;
 +    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
 +    mime_type = c->stream->fmt->mime_type;
 +    if (!mime_type)
 +        mime_type = "application/x-octet-stream";
 +    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
 +
 +    /* for asf, we need extra headers */
 +    if (!strcmp(c->stream->fmt->name,"asf_stream")) {
 +        /* Need to allocate a client id */
 +
 +        c->wmp_client_id = av_lfg_get(&random_state);
 +
 +        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
 +    }
 +    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
 +    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
 +
 +    /* prepare output buffer */
 +    c->http_error = 0;
 +    c->buffer_ptr = c->buffer;
 +    c->buffer_end = q;
 +    c->state = HTTPSTATE_SEND_HEADER;
 +    return 0;
 + send_error:
 +    c->http_error = 404;
 +    q = c->buffer;
 +    q += snprintf(q, c->buffer_size,
 +                  "HTTP/1.0 404 Not Found\r\n"
 +                  "Content-type: text/html\r\n"
 +                  "\r\n"
 +                  "<html>\n"
 +                  "<head><title>404 Not Found</title></head>\n"
 +                  "<body>%s</body>\n"
 +                  "</html>\n", msg);
 +    /* prepare output buffer */
 +    c->buffer_ptr = c->buffer;
 +    c->buffer_end = q;
 +    c->state = HTTPSTATE_SEND_HEADER;
 +    return 0;
 + send_status:
 +    compute_status(c);
 +    c->http_error = 200; /* horrible : we use this value to avoid
 +                            going to the send data state */
 +    c->state = HTTPSTATE_SEND_HEADER;
 +    return 0;
 +}
 +
 +static void fmt_bytecount(AVIOContext *pb, int64_t count)
 +{
 +    static const char *suffix = " kMGTP";
 +    const char *s;
 +
 +    for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
 +
 +    avio_printf(pb, "%"PRId64"%c", count, *s);
 +}
 +
 +static void compute_status(HTTPContext *c)
 +{
 +    HTTPContext *c1;
 +    FFStream *stream;
 +    char *p;
 +    time_t ti;
 +    int i, len;
 +    AVIOContext *pb;
 +
 +    if (avio_open_dyn_buf(&pb) < 0) {
 +        /* XXX: return an error ? */
 +        c->buffer_ptr = c->buffer;
 +        c->buffer_end = c->buffer;
 +        return;
 +    }
 +
 +    avio_printf(pb, "HTTP/1.0 200 OK\r\n");
 +    avio_printf(pb, "Content-type: %s\r\n", "text/html");
 +    avio_printf(pb, "Pragma: no-cache\r\n");
 +    avio_printf(pb, "\r\n");
 +
 +    avio_printf(pb, "<html><head><title>%s Status</title>\n", program_name);
 +    if (c->stream->feed_filename[0])
 +        avio_printf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
 +    avio_printf(pb, "</head>\n<body>");
 +    avio_printf(pb, "<h1>%s Status</h1>\n", program_name);
 +    /* format status */
 +    avio_printf(pb, "<h2>Available Streams</h2>\n");
 +    avio_printf(pb, "<table cellspacing=0 cellpadding=4>\n");
 +    avio_printf(pb, "<tr><th valign=top>Path<th align=left>Served<br>Conns<th><br>bytes<th valign=top>Format<th>Bit rate<br>kbits/s<th align=left>Video<br>kbits/s<th><br>Codec<th align=left>Audio<br>kbits/s<th><br>Codec<th align=left valign=top>Feed\n");
 +    stream = first_stream;
 +    while (stream != NULL) {
 +        char sfilename[1024];
 +        char *eosf;
 +
 +        if (stream->feed != stream) {
 +            av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
 +            eosf = sfilename + strlen(sfilename);
 +            if (eosf - sfilename >= 4) {
 +                if (strcmp(eosf - 4, ".asf") == 0)
 +                    strcpy(eosf - 4, ".asx");
 +                else if (strcmp(eosf - 3, ".rm") == 0)
 +                    strcpy(eosf - 3, ".ram");
 +                else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
 +                    /* generate a sample RTSP director if
 +                       unicast. Generate an SDP redirector if
 +                       multicast */
 +                    eosf = strrchr(sfilename, '.');
 +                    if (!eosf)
 +                        eosf = sfilename + strlen(sfilename);
 +                    if (stream->is_multicast)
 +                        strcpy(eosf, ".sdp");
 +                    else
 +                        strcpy(eosf, ".rtsp");
 +                }
 +            }
 +
 +            avio_printf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
 +                         sfilename, stream->filename);
 +            avio_printf(pb, "<td align=right> %d <td align=right> ",
 +                        stream->conns_served);
 +            fmt_bytecount(pb, stream->bytes_served);
 +            switch(stream->stream_type) {
 +            case STREAM_TYPE_LIVE: {
 +                    int audio_bit_rate = 0;
 +                    int video_bit_rate = 0;
 +                    const char *audio_codec_name = "";
 +                    const char *video_codec_name = "";
 +                    const char *audio_codec_name_extra = "";
 +                    const char *video_codec_name_extra = "";
 +
 +                    for(i=0;i<stream->nb_streams;i++) {
 +                        AVStream *st = stream->streams[i];
 +                        AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
 +                        switch(st->codec->codec_type) {
 +                        case AVMEDIA_TYPE_AUDIO:
 +                            audio_bit_rate += st->codec->bit_rate;
 +                            if (codec) {
 +                                if (*audio_codec_name)
 +                                    audio_codec_name_extra = "...";
 +                                audio_codec_name = codec->name;
 +                            }
 +                            break;
 +                        case AVMEDIA_TYPE_VIDEO:
 +                            video_bit_rate += st->codec->bit_rate;
 +                            if (codec) {
 +                                if (*video_codec_name)
 +                                    video_codec_name_extra = "...";
 +                                video_codec_name = codec->name;
 +                            }
 +                            break;
 +                        case AVMEDIA_TYPE_DATA:
 +                            video_bit_rate += st->codec->bit_rate;
 +                            break;
 +                        default:
 +                            abort();
 +                        }
 +                    }
 +                    avio_printf(pb, "<td align=center> %s <td align=right> %d <td align=right> %d <td> %s %s <td align=right> %d <td> %s %s",
 +                                 stream->fmt->name,
 +                                 stream->bandwidth,
 +                                 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
 +                                 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
 +                    if (stream->feed)
 +                        avio_printf(pb, "<td>%s", stream->feed->filename);
 +                    else
 +                        avio_printf(pb, "<td>%s", stream->feed_filename);
 +                    avio_printf(pb, "\n");
 +                }
 +                break;
 +            default:
 +                avio_printf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
 +                break;
 +            }
 +        }
 +        stream = stream->next;
 +    }
 +    avio_printf(pb, "</table>\n");
 +
 +    stream = first_stream;
 +    while (stream != NULL) {
 +        if (stream->feed == stream) {
 +            avio_printf(pb, "<h2>Feed %s</h2>", stream->filename);
 +            if (stream->pid) {
 +                avio_printf(pb, "Running as pid %d.\n", stream->pid);
 +
 +#if defined(linux) && !defined(CONFIG_NOCUTILS)
 +                {
 +                    FILE *pid_stat;
 +                    char ps_cmd[64];
 +
 +                    /* This is somewhat linux specific I guess */
 +                    snprintf(ps_cmd, sizeof(ps_cmd),
 +                             "ps -o \"%%cpu,cputime\" --no-headers %d",
 +                             stream->pid);
 +
 +                    pid_stat = popen(ps_cmd, "r");
 +                    if (pid_stat) {
 +                        char cpuperc[10];
 +                        char cpuused[64];
 +
 +                        if (fscanf(pid_stat, "%10s %64s", cpuperc,
 +                                   cpuused) == 2) {
 +                            avio_printf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
 +                                         cpuperc, cpuused);
 +                        }
 +                        fclose(pid_stat);
 +                    }
 +                }
 +#endif
 +
 +                avio_printf(pb, "<p>");
 +            }
 +            avio_printf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
 +
 +            for (i = 0; i < stream->nb_streams; i++) {
 +                AVStream *st = stream->streams[i];
 +                AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
 +                const char *type = "unknown";
 +                char parameters[64];
 +
 +                parameters[0] = 0;
 +
 +                switch(st->codec->codec_type) {
 +                case AVMEDIA_TYPE_AUDIO:
 +                    type = "audio";
 +                    snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
 +                    break;
 +                case AVMEDIA_TYPE_VIDEO:
 +                    type = "video";
 +                    snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
 +                                st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
 +                    break;
 +                default:
 +                    abort();
 +                }
 +                avio_printf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
 +                        i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
 +            }
 +            avio_printf(pb, "</table>\n");
 +
 +        }
 +        stream = stream->next;
 +    }
 +
 +    /* connection status */
 +    avio_printf(pb, "<h2>Connection Status</h2>\n");
 +
 +    avio_printf(pb, "Number of connections: %d / %d<br>\n",
 +                 nb_connections, nb_max_connections);
 +
 +    avio_printf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
 +                 current_bandwidth, max_bandwidth);
 +
 +    avio_printf(pb, "<table>\n");
 +    avio_printf(pb, "<tr><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
 +    c1 = first_http_ctx;
 +    i = 0;
 +    while (c1 != NULL) {
 +        int bitrate;
 +        int j;
 +
 +        bitrate = 0;
 +        if (c1->stream) {
 +            for (j = 0; j < c1->stream->nb_streams; j++) {
 +                if (!c1->stream->feed)
 +                    bitrate += c1->stream->streams[j]->codec->bit_rate;
 +                else if (c1->feed_streams[j] >= 0)
 +                    bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
 +            }
 +        }
 +
 +        i++;
 +        p = inet_ntoa(c1->from_addr.sin_addr);
 +        avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
 +                    i,
 +                    c1->stream ? c1->stream->filename : "",
 +                    c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
 +                    p,
 +                    c1->protocol,
 +                    http_state[c1->state]);
 +        fmt_bytecount(pb, bitrate);
 +        avio_printf(pb, "<td align=right>");
 +        fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
 +        avio_printf(pb, "<td align=right>");
 +        fmt_bytecount(pb, c1->data_count);
 +        avio_printf(pb, "\n");
 +        c1 = c1->next;
 +    }
 +    avio_printf(pb, "</table>\n");
 +
 +    /* date */
 +    ti = time(NULL);
 +    p = ctime(&ti);
 +    avio_printf(pb, "<hr size=1 noshade>Generated at %s", p);
 +    avio_printf(pb, "</body>\n</html>\n");
 +
 +    len = avio_close_dyn_buf(pb, &c->pb_buffer);
 +    c->buffer_ptr = c->pb_buffer;
 +    c->buffer_end = c->pb_buffer + len;
 +}
 +
 +/* check if the parser needs to be opened for stream i */
 +static void open_parser(AVFormatContext *s, int i)
 +{
 +    AVStream *st = s->streams[i];
 +    AVCodec *codec;
 +
 +    if (!st->codec->codec) {
 +        codec = avcodec_find_decoder(st->codec->codec_id);
 +        if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
 +            st->codec->parse_only = 1;
 +            if (avcodec_open2(st->codec, codec, NULL) < 0)
 +                st->codec->parse_only = 0;
 +        }
 +    }
 +}
 +
 +static int open_input_stream(HTTPContext *c, const char *info)
 +{
 +    char buf[128];
 +    char input_filename[1024];
 +    AVFormatContext *s = NULL;
 +    int i, ret;
 +    int64_t stream_pos;
 +
 +    /* find file name */
 +    if (c->stream->feed) {
 +        strcpy(input_filename, c->stream->feed->feed_filename);
 +        /* compute position (absolute time) */
 +        if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
 +            if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0)
 +                return ret;
 +        } else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
 +            int prebuffer = strtol(buf, 0, 10);
 +            stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
 +        } else
 +            stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
 +    } else {
 +        strcpy(input_filename, c->stream->feed_filename);
 +        /* compute position (relative time) */
 +        if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
 +            if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0)
 +                return ret;
 +        } else
 +            stream_pos = 0;
 +    }
 +    if (input_filename[0] == '\0')
 +        return -1;
 +
 +    /* open stream */
 +    if ((ret = avformat_open_input(&s, input_filename, c->stream->ifmt, &c->stream->in_opts)) < 0) {
 +        http_log("could not open %s: %d\n", input_filename, ret);
 +        return -1;
 +    }
 +    s->flags |= AVFMT_FLAG_GENPTS;
 +    c->fmt_in = s;
-                 if (av_find_stream_info(infile) < 0) {
++    if (strcmp(s->iformat->name, "ffm") && avformat_find_stream_info(c->fmt_in, NULL) < 0) {
 +        http_log("Could not find stream info '%s'\n", input_filename);
 +        av_close_input_file(s);
 +        return -1;
 +    }
 +
 +    /* open each parser */
 +    for(i=0;i<s->nb_streams;i++)
 +        open_parser(s, i);
 +
 +    /* choose stream as clock source (we favorize video stream if
 +       present) for packet sending */
 +    c->pts_stream_index = 0;
 +    for(i=0;i<c->stream->nb_streams;i++) {
 +        if (c->pts_stream_index == 0 &&
 +            c->stream->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
 +            c->pts_stream_index = i;
 +        }
 +    }
 +
 +    if (c->fmt_in->iformat->read_seek)
 +        av_seek_frame(c->fmt_in, -1, stream_pos, 0);
 +    /* set the start time (needed for maxtime and RTP packet timing) */
 +    c->start_time = cur_time;
 +    c->first_pts = AV_NOPTS_VALUE;
 +    return 0;
 +}
 +
 +/* return the server clock (in us) */
 +static int64_t get_server_clock(HTTPContext *c)
 +{
 +    /* compute current pts value from system time */
 +    return (cur_time - c->start_time) * 1000;
 +}
 +
 +/* return the estimated time at which the current packet must be sent
 +   (in us) */
 +static int64_t get_packet_send_clock(HTTPContext *c)
 +{
 +    int bytes_left, bytes_sent, frame_bytes;
 +
 +    frame_bytes = c->cur_frame_bytes;
 +    if (frame_bytes <= 0)
 +        return c->cur_pts;
 +    else {
 +        bytes_left = c->buffer_end - c->buffer_ptr;
 +        bytes_sent = frame_bytes - bytes_left;
 +        return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
 +    }
 +}
 +
 +
 +static int http_prepare_data(HTTPContext *c)
 +{
 +    int i, len, ret;
 +    AVFormatContext *ctx;
 +
 +    av_freep(&c->pb_buffer);
 +    switch(c->state) {
 +    case HTTPSTATE_SEND_DATA_HEADER:
 +        memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
 +        av_dict_set(&c->fmt_ctx.metadata, "author"   , c->stream->author   , 0);
 +        av_dict_set(&c->fmt_ctx.metadata, "comment"  , c->stream->comment  , 0);
 +        av_dict_set(&c->fmt_ctx.metadata, "copyright", c->stream->copyright, 0);
 +        av_dict_set(&c->fmt_ctx.metadata, "title"    , c->stream->title    , 0);
 +
 +        c->fmt_ctx.streams = av_mallocz(sizeof(AVStream *) * c->stream->nb_streams);
 +
 +        for(i=0;i<c->stream->nb_streams;i++) {
 +            AVStream *src;
 +            c->fmt_ctx.streams[i] = av_mallocz(sizeof(AVStream));
 +            /* if file or feed, then just take streams from FFStream struct */
 +            if (!c->stream->feed ||
 +                c->stream->feed == c->stream)
 +                src = c->stream->streams[i];
 +            else
 +                src = c->stream->feed->streams[c->stream->feed_streams[i]];
 +
 +            *(c->fmt_ctx.streams[i]) = *src;
 +            c->fmt_ctx.streams[i]->priv_data = 0;
 +            c->fmt_ctx.streams[i]->codec->frame_number = 0; /* XXX: should be done in
 +                                           AVStream, not in codec */
 +        }
 +        /* set output format parameters */
 +        c->fmt_ctx.oformat = c->stream->fmt;
 +        c->fmt_ctx.nb_streams = c->stream->nb_streams;
 +
 +        c->got_key_frame = 0;
 +
 +        /* prepare header and save header data in a stream */
 +        if (avio_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
 +            /* XXX: potential leak */
 +            return -1;
 +        }
 +        c->fmt_ctx.pb->seekable = 0;
 +
 +        /*
 +         * HACK to avoid mpeg ps muxer to spit many underflow errors
 +         * Default value from FFmpeg
 +         * Try to set it use configuration option
 +         */
 +        c->fmt_ctx.preload   = (int)(0.5*AV_TIME_BASE);
 +        c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
 +
 +        if (avformat_write_header(&c->fmt_ctx, NULL) < 0) {
 +            http_log("Error writing output header\n");
 +            return -1;
 +        }
 +        av_dict_free(&c->fmt_ctx.metadata);
 +
 +        len = avio_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
 +        c->buffer_ptr = c->pb_buffer;
 +        c->buffer_end = c->pb_buffer + len;
 +
 +        c->state = HTTPSTATE_SEND_DATA;
 +        c->last_packet_sent = 0;
 +        break;
 +    case HTTPSTATE_SEND_DATA:
 +        /* find a new packet */
 +        /* read a packet from the input stream */
 +        if (c->stream->feed)
 +            ffm_set_write_index(c->fmt_in,
 +                                c->stream->feed->feed_write_index,
 +                                c->stream->feed->feed_size);
 +
 +        if (c->stream->max_time &&
 +            c->stream->max_time + c->start_time - cur_time < 0)
 +            /* We have timed out */
 +            c->state = HTTPSTATE_SEND_DATA_TRAILER;
 +        else {
 +            AVPacket pkt;
 +        redo:
 +            ret = av_read_frame(c->fmt_in, &pkt);
 +            if (ret < 0) {
 +                if (c->stream->feed) {
 +                    /* if coming from feed, it means we reached the end of the
 +                       ffm file, so must wait for more data */
 +                    c->state = HTTPSTATE_WAIT_FEED;
 +                    return 1; /* state changed */
 +                } else if (ret == AVERROR(EAGAIN)) {
 +                    /* input not ready, come back later */
 +                    return 0;
 +                } else {
 +                    if (c->stream->loop) {
 +                        av_close_input_file(c->fmt_in);
 +                        c->fmt_in = NULL;
 +                        if (open_input_stream(c, "") < 0)
 +                            goto no_loop;
 +                        goto redo;
 +                    } else {
 +                    no_loop:
 +                        /* must send trailer now because eof or error */
 +                        c->state = HTTPSTATE_SEND_DATA_TRAILER;
 +                    }
 +                }
 +            } else {
 +                int source_index = pkt.stream_index;
 +                /* update first pts if needed */
 +                if (c->first_pts == AV_NOPTS_VALUE) {
 +                    c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
 +                    c->start_time = cur_time;
 +                }
 +                /* send it to the appropriate stream */
 +                if (c->stream->feed) {
 +                    /* if coming from a feed, select the right stream */
 +                    if (c->switch_pending) {
 +                        c->switch_pending = 0;
 +                        for(i=0;i<c->stream->nb_streams;i++) {
 +                            if (c->switch_feed_streams[i] == pkt.stream_index)
 +                                if (pkt.flags & AV_PKT_FLAG_KEY)
 +                                    c->switch_feed_streams[i] = -1;
 +                            if (c->switch_feed_streams[i] >= 0)
 +                                c->switch_pending = 1;
 +                        }
 +                    }
 +                    for(i=0;i<c->stream->nb_streams;i++) {
 +                        if (c->stream->feed_streams[i] == pkt.stream_index) {
 +                            AVStream *st = c->fmt_in->streams[source_index];
 +                            pkt.stream_index = i;
 +                            if (pkt.flags & AV_PKT_FLAG_KEY &&
 +                                (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
 +                                 c->stream->nb_streams == 1))
 +                                c->got_key_frame = 1;
 +                            if (!c->stream->send_on_key || c->got_key_frame)
 +                                goto send_it;
 +                        }
 +                    }
 +                } else {
 +                    AVCodecContext *codec;
 +                    AVStream *ist, *ost;
 +                send_it:
 +                    ist = c->fmt_in->streams[source_index];
 +                    /* specific handling for RTP: we use several
 +                       output stream (one for each RTP
 +                       connection). XXX: need more abstract handling */
 +                    if (c->is_packetized) {
 +                        /* compute send time and duration */
 +                        c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
 +                        c->cur_pts -= c->first_pts;
 +                        c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
 +                        /* find RTP context */
 +                        c->packet_stream_index = pkt.stream_index;
 +                        ctx = c->rtp_ctx[c->packet_stream_index];
 +                        if(!ctx) {
 +                            av_free_packet(&pkt);
 +                            break;
 +                        }
 +                        codec = ctx->streams[0]->codec;
 +                        /* only one stream per RTP connection */
 +                        pkt.stream_index = 0;
 +                    } else {
 +                        ctx = &c->fmt_ctx;
 +                        /* Fudge here */
 +                        codec = ctx->streams[pkt.stream_index]->codec;
 +                    }
 +
 +                    if (c->is_packetized) {
 +                        int max_packet_size;
 +                        if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
 +                            max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
 +                        else
 +                            max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
 +                        ret = ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size);
 +                    } else {
 +                        ret = avio_open_dyn_buf(&ctx->pb);
 +                    }
 +                    if (ret < 0) {
 +                        /* XXX: potential leak */
 +                        return -1;
 +                    }
 +                    ost = ctx->streams[pkt.stream_index];
 +
 +                    ctx->pb->seekable = 0;
 +                    if (pkt.dts != AV_NOPTS_VALUE)
 +                        pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
 +                    if (pkt.pts != AV_NOPTS_VALUE)
 +                        pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
 +                    pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
 +                    if (av_write_frame(ctx, &pkt) < 0) {
 +                        http_log("Error writing frame to output\n");
 +                        c->state = HTTPSTATE_SEND_DATA_TRAILER;
 +                    }
 +
 +                    len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
 +                    c->cur_frame_bytes = len;
 +                    c->buffer_ptr = c->pb_buffer;
 +                    c->buffer_end = c->pb_buffer + len;
 +
 +                    codec->frame_number++;
 +                    if (len == 0) {
 +                        av_free_packet(&pkt);
 +                        goto redo;
 +                    }
 +                }
 +                av_free_packet(&pkt);
 +            }
 +        }
 +        break;
 +    default:
 +    case HTTPSTATE_SEND_DATA_TRAILER:
 +        /* last packet test ? */
 +        if (c->last_packet_sent || c->is_packetized)
 +            return -1;
 +        ctx = &c->fmt_ctx;
 +        /* prepare header */
 +        if (avio_open_dyn_buf(&ctx->pb) < 0) {
 +            /* XXX: potential leak */
 +            return -1;
 +        }
 +        c->fmt_ctx.pb->seekable = 0;
 +        av_write_trailer(ctx);
 +        len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
 +        c->buffer_ptr = c->pb_buffer;
 +        c->buffer_end = c->pb_buffer + len;
 +
 +        c->last_packet_sent = 1;
 +        break;
 +    }
 +    return 0;
 +}
 +
 +/* should convert the format at the same time */
 +/* send data starting at c->buffer_ptr to the output connection
 +   (either UDP or TCP connection) */
 +static int http_send_data(HTTPContext *c)
 +{
 +    int len, ret;
 +
 +    for(;;) {
 +        if (c->buffer_ptr >= c->buffer_end) {
 +            ret = http_prepare_data(c);
 +            if (ret < 0)
 +                return -1;
 +            else if (ret != 0)
 +                /* state change requested */
 +                break;
 +        } else {
 +            if (c->is_packetized) {
 +                /* RTP data output */
 +                len = c->buffer_end - c->buffer_ptr;
 +                if (len < 4) {
 +                    /* fail safe - should never happen */
 +                fail1:
 +                    c->buffer_ptr = c->buffer_end;
 +                    return 0;
 +                }
 +                len = (c->buffer_ptr[0] << 24) |
 +                    (c->buffer_ptr[1] << 16) |
 +                    (c->buffer_ptr[2] << 8) |
 +                    (c->buffer_ptr[3]);
 +                if (len > (c->buffer_end - c->buffer_ptr))
 +                    goto fail1;
 +                if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
 +                    /* nothing to send yet: we can wait */
 +                    return 0;
 +                }
 +
 +                c->data_count += len;
 +                update_datarate(&c->datarate, c->data_count);
 +                if (c->stream)
 +                    c->stream->bytes_served += len;
 +
 +                if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
 +                    /* RTP packets are sent inside the RTSP TCP connection */
 +                    AVIOContext *pb;
 +                    int interleaved_index, size;
 +                    uint8_t header[4];
 +                    HTTPContext *rtsp_c;
 +
 +                    rtsp_c = c->rtsp_c;
 +                    /* if no RTSP connection left, error */
 +                    if (!rtsp_c)
 +                        return -1;
 +                    /* if already sending something, then wait. */
 +                    if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
 +                        break;
 +                    if (avio_open_dyn_buf(&pb) < 0)
 +                        goto fail1;
 +                    interleaved_index = c->packet_stream_index * 2;
 +                    /* RTCP packets are sent at odd indexes */
 +                    if (c->buffer_ptr[1] == 200)
 +                        interleaved_index++;
 +                    /* write RTSP TCP header */
 +                    header[0] = '$';
 +                    header[1] = interleaved_index;
 +                    header[2] = len >> 8;
 +                    header[3] = len;
 +                    avio_write(pb, header, 4);
 +                    /* write RTP packet data */
 +                    c->buffer_ptr += 4;
 +                    avio_write(pb, c->buffer_ptr, len);
 +                    size = avio_close_dyn_buf(pb, &c->packet_buffer);
 +                    /* prepare asynchronous TCP sending */
 +                    rtsp_c->packet_buffer_ptr = c->packet_buffer;
 +                    rtsp_c->packet_buffer_end = c->packet_buffer + size;
 +                    c->buffer_ptr += len;
 +
 +                    /* send everything we can NOW */
 +                    len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
 +                                rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
 +                    if (len > 0)
 +                        rtsp_c->packet_buffer_ptr += len;
 +                    if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
 +                        /* if we could not send all the data, we will
 +                           send it later, so a new state is needed to
 +                           "lock" the RTSP TCP connection */
 +                        rtsp_c->state = RTSPSTATE_SEND_PACKET;
 +                        break;
 +                    } else
 +                        /* all data has been sent */
 +                        av_freep(&c->packet_buffer);
 +                } else {
 +                    /* send RTP packet directly in UDP */
 +                    c->buffer_ptr += 4;
 +                    url_write(c->rtp_handles[c->packet_stream_index],
 +                              c->buffer_ptr, len);
 +                    c->buffer_ptr += len;
 +                    /* here we continue as we can send several packets per 10 ms slot */
 +                }
 +            } else {
 +                /* TCP data output */
 +                len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
 +                if (len < 0) {
 +                    if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                        ff_neterrno() != AVERROR(EINTR))
 +                        /* error : close connection */
 +                        return -1;
 +                    else
 +                        return 0;
 +                } else
 +                    c->buffer_ptr += len;
 +
 +                c->data_count += len;
 +                update_datarate(&c->datarate, c->data_count);
 +                if (c->stream)
 +                    c->stream->bytes_served += len;
 +                break;
 +            }
 +        }
 +    } /* for(;;) */
 +    return 0;
 +}
 +
 +static int http_start_receive_data(HTTPContext *c)
 +{
 +    int fd;
 +
 +    if (c->stream->feed_opened)
 +        return -1;
 +
 +    /* Don't permit writing to this one */
 +    if (c->stream->readonly)
 +        return -1;
 +
 +    /* open feed */
 +    fd = open(c->stream->feed_filename, O_RDWR);
 +    if (fd < 0) {
 +        http_log("Error opening feeder file: %s\n", strerror(errno));
 +        return -1;
 +    }
 +    c->feed_fd = fd;
 +
 +    if (c->stream->truncate) {
 +        /* truncate feed file */
 +        ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
 +        ftruncate(c->feed_fd, FFM_PACKET_SIZE);
 +        http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
 +    } else {
 +        if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
 +            http_log("Error reading write index from feed file: %s\n", strerror(errno));
 +            return -1;
 +        }
 +    }
 +
 +    c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
 +    c->stream->feed_size = lseek(fd, 0, SEEK_END);
 +    lseek(fd, 0, SEEK_SET);
 +
 +    /* init buffer input */
 +    c->buffer_ptr = c->buffer;
 +    c->buffer_end = c->buffer + FFM_PACKET_SIZE;
 +    c->stream->feed_opened = 1;
 +    c->chunked_encoding = !!av_stristr(c->buffer, "Transfer-Encoding: chunked");
 +    return 0;
 +}
 +
 +static int http_receive_data(HTTPContext *c)
 +{
 +    HTTPContext *c1;
 +    int len, loop_run = 0;
 +
 +    while (c->chunked_encoding && !c->chunk_size &&
 +           c->buffer_end > c->buffer_ptr) {
 +        /* read chunk header, if present */
 +        len = recv(c->fd, c->buffer_ptr, 1, 0);
 +
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR))
 +                /* error : close connection */
 +                goto fail;
 +            return 0;
 +        } else if (len == 0) {
 +            /* end of connection : close it */
 +            goto fail;
 +        } else if (c->buffer_ptr - c->buffer >= 2 &&
 +                   !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
 +            c->chunk_size = strtol(c->buffer, 0, 16);
 +            if (c->chunk_size == 0) // end of stream
 +                goto fail;
 +            c->buffer_ptr = c->buffer;
 +            break;
 +        } else if (++loop_run > 10) {
 +            /* no chunk header, abort */
 +            goto fail;
 +        } else {
 +            c->buffer_ptr++;
 +        }
 +    }
 +
 +    if (c->buffer_end > c->buffer_ptr) {
 +        len = recv(c->fd, c->buffer_ptr,
 +                   FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);
 +        if (len < 0) {
 +            if (ff_neterrno() != AVERROR(EAGAIN) &&
 +                ff_neterrno() != AVERROR(EINTR))
 +                /* error : close connection */
 +                goto fail;
 +        } else if (len == 0)
 +            /* end of connection : close it */
 +            goto fail;
 +        else {
 +            c->chunk_size -= len;
 +            c->buffer_ptr += len;
 +            c->data_count += len;
 +            update_datarate(&c->datarate, c->data_count);
 +        }
 +    }
 +
 +    if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
 +        if (c->buffer[0] != 'f' ||
 +            c->buffer[1] != 'm') {
 +            http_log("Feed stream has become desynchronized -- disconnecting\n");
 +            goto fail;
 +        }
 +    }
 +
 +    if (c->buffer_ptr >= c->buffer_end) {
 +        FFStream *feed = c->stream;
 +        /* a packet has been received : write it in the store, except
 +           if header */
 +        if (c->data_count > FFM_PACKET_SIZE) {
 +
 +            //            printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
 +            /* XXX: use llseek or url_seek */
 +            lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
 +            if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
 +                http_log("Error writing to feed file: %s\n", strerror(errno));
 +                goto fail;
 +            }
 +
 +            feed->feed_write_index += FFM_PACKET_SIZE;
 +            /* update file size */
 +            if (feed->feed_write_index > c->stream->feed_size)
 +                feed->feed_size = feed->feed_write_index;
 +
 +            /* handle wrap around if max file size reached */
 +            if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
 +                feed->feed_write_index = FFM_PACKET_SIZE;
 +
 +            /* write index */
 +            if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
 +                http_log("Error writing index to feed file: %s\n", strerror(errno));
 +                goto fail;
 +            }
 +
 +            /* wake up any waiting connections */
 +            for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
 +                if (c1->state == HTTPSTATE_WAIT_FEED &&
 +                    c1->stream->feed == c->stream->feed)
 +                    c1->state = HTTPSTATE_SEND_DATA;
 +            }
 +        } else {
 +            /* We have a header in our hands that contains useful data */
 +            AVFormatContext *s = avformat_alloc_context();
 +            AVIOContext *pb;
 +            AVInputFormat *fmt_in;
 +            int i;
 +
 +            if (!s)
 +                goto fail;
 +
 +            /* use feed output format name to find corresponding input format */
 +            fmt_in = av_find_input_format(feed->fmt->name);
 +            if (!fmt_in)
 +                goto fail;
 +
 +            pb = avio_alloc_context(c->buffer, c->buffer_end - c->buffer,
 +                                    0, NULL, NULL, NULL, NULL);
 +            pb->seekable = 0;
 +
 +            s->pb = pb;
 +            if (avformat_open_input(&s, c->stream->feed_filename, fmt_in, NULL) < 0) {
 +                av_free(pb);
 +                goto fail;
 +            }
 +
 +            /* Now we have the actual streams */
 +            if (s->nb_streams != feed->nb_streams) {
 +                av_close_input_stream(s);
 +                av_free(pb);
 +                http_log("Feed '%s' stream number does not match registered feed\n",
 +                         c->stream->feed_filename);
 +                goto fail;
 +            }
 +
 +            for (i = 0; i < s->nb_streams; i++) {
 +                AVStream *fst = feed->streams[i];
 +                AVStream *st = s->streams[i];
 +                avcodec_copy_context(fst->codec, st->codec);
 +            }
 +
 +            av_close_input_stream(s);
 +            av_free(pb);
 +        }
 +        c->buffer_ptr = c->buffer;
 +    }
 +
 +    return 0;
 + fail:
 +    c->stream->feed_opened = 0;
 +    close(c->feed_fd);
 +    /* wake up any waiting connections to stop waiting for feed */
 +    for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
 +        if (c1->state == HTTPSTATE_WAIT_FEED &&
 +            c1->stream->feed == c->stream->feed)
 +            c1->state = HTTPSTATE_SEND_DATA_TRAILER;
 +    }
 +    return -1;
 +}
 +
 +/********************************************************************/
 +/* RTSP handling */
 +
 +static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
 +{
 +    const char *str;
 +    time_t ti;
 +    struct tm *tm;
 +    char buf2[32];
 +
 +    switch(error_number) {
 +    case RTSP_STATUS_OK:
 +        str = "OK";
 +        break;
 +    case RTSP_STATUS_METHOD:
 +        str = "Method Not Allowed";
 +        break;
 +    case RTSP_STATUS_BANDWIDTH:
 +        str = "Not Enough Bandwidth";
 +        break;
 +    case RTSP_STATUS_SESSION:
 +        str = "Session Not Found";
 +        break;
 +    case RTSP_STATUS_STATE:
 +        str = "Method Not Valid in This State";
 +        break;
 +    case RTSP_STATUS_AGGREGATE:
 +        str = "Aggregate operation not allowed";
 +        break;
 +    case RTSP_STATUS_ONLY_AGGREGATE:
 +        str = "Only aggregate operation allowed";
 +        break;
 +    case RTSP_STATUS_TRANSPORT:
 +        str = "Unsupported transport";
 +        break;
 +    case RTSP_STATUS_INTERNAL:
 +        str = "Internal Server Error";
 +        break;
 +    case RTSP_STATUS_SERVICE:
 +        str = "Service Unavailable";
 +        break;
 +    case RTSP_STATUS_VERSION:
 +        str = "RTSP Version not supported";
 +        break;
 +    default:
 +        str = "Unknown Error";
 +        break;
 +    }
 +
 +    avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
 +    avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
 +
 +    /* output GMT time */
 +    ti = time(NULL);
 +    tm = gmtime(&ti);
 +    strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
 +    avio_printf(c->pb, "Date: %s GMT\r\n", buf2);
 +}
 +
 +static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
 +{
 +    rtsp_reply_header(c, error_number);
 +    avio_printf(c->pb, "\r\n");
 +}
 +
 +static int rtsp_parse_request(HTTPContext *c)
 +{
 +    const char *p, *p1, *p2;
 +    char cmd[32];
 +    char url[1024];
 +    char protocol[32];
 +    char line[1024];
 +    int len;
 +    RTSPMessageHeader header1, *header = &header1;
 +
 +    c->buffer_ptr[0] = '\0';
 +    p = c->buffer;
 +
 +    get_word(cmd, sizeof(cmd), &p);
 +    get_word(url, sizeof(url), &p);
 +    get_word(protocol, sizeof(protocol), &p);
 +
 +    av_strlcpy(c->method, cmd, sizeof(c->method));
 +    av_strlcpy(c->url, url, sizeof(c->url));
 +    av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
 +
 +    if (avio_open_dyn_buf(&c->pb) < 0) {
 +        /* XXX: cannot do more */
 +        c->pb = NULL; /* safety */
 +        return -1;
 +    }
 +
 +    /* check version name */
 +    if (strcmp(protocol, "RTSP/1.0") != 0) {
 +        rtsp_reply_error(c, RTSP_STATUS_VERSION);
 +        goto the_end;
 +    }
 +
 +    /* parse each header line */
 +    memset(header, 0, sizeof(*header));
 +    /* skip to next line */
 +    while (*p != '\n' && *p != '\0')
 +        p++;
 +    if (*p == '\n')
 +        p++;
 +    while (*p != '\0') {
 +        p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
 +        if (!p1)
 +            break;
 +        p2 = p1;
 +        if (p2 > p && p2[-1] == '\r')
 +            p2--;
 +        /* skip empty line */
 +        if (p2 == p)
 +            break;
 +        len = p2 - p;
 +        if (len > sizeof(line) - 1)
 +            len = sizeof(line) - 1;
 +        memcpy(line, p, len);
 +        line[len] = '\0';
 +        ff_rtsp_parse_line(header, line, NULL, NULL);
 +        p = p1 + 1;
 +    }
 +
 +    /* handle sequence number */
 +    c->seq = header->seq;
 +
 +    if (!strcmp(cmd, "DESCRIBE"))
 +        rtsp_cmd_describe(c, url);
 +    else if (!strcmp(cmd, "OPTIONS"))
 +        rtsp_cmd_options(c, url);
 +    else if (!strcmp(cmd, "SETUP"))
 +        rtsp_cmd_setup(c, url, header);
 +    else if (!strcmp(cmd, "PLAY"))
 +        rtsp_cmd_play(c, url, header);
 +    else if (!strcmp(cmd, "PAUSE"))
 +        rtsp_cmd_pause(c, url, header);
 +    else if (!strcmp(cmd, "TEARDOWN"))
 +        rtsp_cmd_teardown(c, url, header);
 +    else
 +        rtsp_reply_error(c, RTSP_STATUS_METHOD);
 +
 + the_end:
 +    len = avio_close_dyn_buf(c->pb, &c->pb_buffer);
 +    c->pb = NULL; /* safety */
 +    if (len < 0) {
 +        /* XXX: cannot do more */
 +        return -1;
 +    }
 +    c->buffer_ptr = c->pb_buffer;
 +    c->buffer_end = c->pb_buffer + len;
 +    c->state = RTSPSTATE_SEND_REPLY;
 +    return 0;
 +}
 +
 +static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
 +                                   struct in_addr my_ip)
 +{
 +    AVFormatContext *avc;
 +    AVStream *avs = NULL;
 +    int i;
 +
 +    avc =  avformat_alloc_context();
 +    if (avc == NULL) {
 +        return -1;
 +    }
 +    av_dict_set(&avc->metadata, "title",
 +               stream->title[0] ? stream->title : "No Title", 0);
 +    avc->nb_streams = stream->nb_streams;
 +    if (stream->is_multicast) {
 +        snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
 +                 inet_ntoa(stream->multicast_ip),
 +                 stream->multicast_port, stream->multicast_ttl);
 +    } else {
 +        snprintf(avc->filename, 1024, "rtp://0.0.0.0");
 +    }
 +
 +    if (avc->nb_streams >= INT_MAX/sizeof(*avc->streams) ||
 +        !(avc->streams = av_malloc(avc->nb_streams * sizeof(*avc->streams))))
 +        goto sdp_done;
 +    if (avc->nb_streams >= INT_MAX/sizeof(*avs) ||
 +        !(avs = av_malloc(avc->nb_streams * sizeof(*avs))))
 +        goto sdp_done;
 +
 +    for(i = 0; i < stream->nb_streams; i++) {
 +        avc->streams[i] = &avs[i];
 +        avc->streams[i]->codec = stream->streams[i]->codec;
 +    }
 +    *pbuffer = av_mallocz(2048);
 +    av_sdp_create(&avc, 1, *pbuffer, 2048);
 +
 + sdp_done:
 +    av_free(avc->streams);
 +    av_dict_free(&avc->metadata);
 +    av_free(avc);
 +    av_free(avs);
 +
 +    return strlen(*pbuffer);
 +}
 +
 +static void rtsp_cmd_options(HTTPContext *c, const char *url)
 +{
 +//    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
 +    avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
 +    avio_printf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
 +    avio_printf(c->pb, "\r\n");
 +}
 +
 +static void rtsp_cmd_describe(HTTPContext *c, const char *url)
 +{
 +    FFStream *stream;
 +    char path1[1024];
 +    const char *path;
 +    uint8_t *content;
 +    int content_length, len;
 +    struct sockaddr_in my_addr;
 +
 +    /* find which url is asked */
 +    av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
 +    path = path1;
 +    if (*path == '/')
 +        path++;
 +
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        if (!stream->is_feed &&
 +            stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
 +            !strcmp(path, stream->filename)) {
 +            goto found;
 +        }
 +    }
 +    /* no stream found */
 +    rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
 +    return;
 +
 + found:
 +    /* prepare the media description in sdp format */
 +
 +    /* get the host IP */
 +    len = sizeof(my_addr);
 +    getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
 +    content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
 +    if (content_length < 0) {
 +        rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
 +        return;
 +    }
 +    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    avio_printf(c->pb, "Content-Base: %s/\r\n", url);
 +    avio_printf(c->pb, "Content-Type: application/sdp\r\n");
 +    avio_printf(c->pb, "Content-Length: %d\r\n", content_length);
 +    avio_printf(c->pb, "\r\n");
 +    avio_write(c->pb, content, content_length);
 +    av_free(content);
 +}
 +
 +static HTTPContext *find_rtp_session(const char *session_id)
 +{
 +    HTTPContext *c;
 +
 +    if (session_id[0] == '\0')
 +        return NULL;
 +
 +    for(c = first_http_ctx; c != NULL; c = c->next) {
 +        if (!strcmp(c->session_id, session_id))
 +            return c;
 +    }
 +    return NULL;
 +}
 +
 +static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
 +{
 +    RTSPTransportField *th;
 +    int i;
 +
 +    for(i=0;i<h->nb_transports;i++) {
 +        th = &h->transports[i];
 +        if (th->lower_transport == lower_transport)
 +            return th;
 +    }
 +    return NULL;
 +}
 +
 +static void rtsp_cmd_setup(HTTPContext *c, const char *url,
 +                           RTSPMessageHeader *h)
 +{
 +    FFStream *stream;
 +    int stream_index, rtp_port, rtcp_port;
 +    char buf[1024];
 +    char path1[1024];
 +    const char *path;
 +    HTTPContext *rtp_c;
 +    RTSPTransportField *th;
 +    struct sockaddr_in dest_addr;
 +    RTSPActionServerSetup setup;
 +
 +    /* find which url is asked */
 +    av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
 +    path = path1;
 +    if (*path == '/')
 +        path++;
 +
 +    /* now check each stream */
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        if (!stream->is_feed &&
 +            stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
 +            /* accept aggregate filenames only if single stream */
 +            if (!strcmp(path, stream->filename)) {
 +                if (stream->nb_streams != 1) {
 +                    rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
 +                    return;
 +                }
 +                stream_index = 0;
 +                goto found;
 +            }
 +
 +            for(stream_index = 0; stream_index < stream->nb_streams;
 +                stream_index++) {
 +                snprintf(buf, sizeof(buf), "%s/streamid=%d",
 +                         stream->filename, stream_index);
 +                if (!strcmp(path, buf))
 +                    goto found;
 +            }
 +        }
 +    }
 +    /* no stream found */
 +    rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
 +    return;
 + found:
 +
 +    /* generate session id if needed */
 +    if (h->session_id[0] == '\0')
 +        snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
 +                 av_lfg_get(&random_state), av_lfg_get(&random_state));
 +
 +    /* find rtp session, and create it if none found */
 +    rtp_c = find_rtp_session(h->session_id);
 +    if (!rtp_c) {
 +        /* always prefer UDP */
 +        th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
 +        if (!th) {
 +            th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
 +            if (!th) {
 +                rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
 +                return;
 +            }
 +        }
 +
 +        rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
 +                                   th->lower_transport);
 +        if (!rtp_c) {
 +            rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
 +            return;
 +        }
 +
 +        /* open input stream */
 +        if (open_input_stream(rtp_c, "") < 0) {
 +            rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
 +            return;
 +        }
 +    }
 +
 +    /* test if stream is OK (test needed because several SETUP needs
 +       to be done for a given file) */
 +    if (rtp_c->stream != stream) {
 +        rtsp_reply_error(c, RTSP_STATUS_SERVICE);
 +        return;
 +    }
 +
 +    /* test if stream is already set up */
 +    if (rtp_c->rtp_ctx[stream_index]) {
 +        rtsp_reply_error(c, RTSP_STATUS_STATE);
 +        return;
 +    }
 +
 +    /* check transport */
 +    th = find_transport(h, rtp_c->rtp_protocol);
 +    if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
 +                th->client_port_min <= 0)) {
 +        rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
 +        return;
 +    }
 +
 +    /* setup default options */
 +    setup.transport_option[0] = '\0';
 +    dest_addr = rtp_c->from_addr;
 +    dest_addr.sin_port = htons(th->client_port_min);
 +
 +    /* setup stream */
 +    if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
 +        rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
 +        return;
 +    }
 +
 +    /* now everything is OK, so we can send the connection parameters */
 +    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    /* session ID */
 +    avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
 +
 +    switch(rtp_c->rtp_protocol) {
 +    case RTSP_LOWER_TRANSPORT_UDP:
 +        rtp_port = rtp_get_local_rtp_port(rtp_c->rtp_handles[stream_index]);
 +        rtcp_port = rtp_get_local_rtcp_port(rtp_c->rtp_handles[stream_index]);
 +        avio_printf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
 +                    "client_port=%d-%d;server_port=%d-%d",
 +                    th->client_port_min, th->client_port_max,
 +                    rtp_port, rtcp_port);
 +        break;
 +    case RTSP_LOWER_TRANSPORT_TCP:
 +        avio_printf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
 +                    stream_index * 2, stream_index * 2 + 1);
 +        break;
 +    default:
 +        break;
 +    }
 +    if (setup.transport_option[0] != '\0')
 +        avio_printf(c->pb, ";%s", setup.transport_option);
 +    avio_printf(c->pb, "\r\n");
 +
 +
 +    avio_printf(c->pb, "\r\n");
 +}
 +
 +
 +/* find an rtp connection by using the session ID. Check consistency
 +   with filename */
 +static HTTPContext *find_rtp_session_with_url(const char *url,
 +                                              const char *session_id)
 +{
 +    HTTPContext *rtp_c;
 +    char path1[1024];
 +    const char *path;
 +    char buf[1024];
 +    int s, len;
 +
 +    rtp_c = find_rtp_session(session_id);
 +    if (!rtp_c)
 +        return NULL;
 +
 +    /* find which url is asked */
 +    av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
 +    path = path1;
 +    if (*path == '/')
 +        path++;
 +    if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
 +    for(s=0; s<rtp_c->stream->nb_streams; ++s) {
 +      snprintf(buf, sizeof(buf), "%s/streamid=%d",
 +        rtp_c->stream->filename, s);
 +      if(!strncmp(path, buf, sizeof(buf))) {
 +    // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
 +        return rtp_c;
 +      }
 +    }
 +    len = strlen(path);
 +    if (len > 0 && path[len - 1] == '/' &&
 +        !strncmp(path, rtp_c->stream->filename, len - 1))
 +        return rtp_c;
 +    return NULL;
 +}
 +
 +static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 +{
 +    HTTPContext *rtp_c;
 +
 +    rtp_c = find_rtp_session_with_url(url, h->session_id);
 +    if (!rtp_c) {
 +        rtsp_reply_error(c, RTSP_STATUS_SESSION);
 +        return;
 +    }
 +
 +    if (rtp_c->state != HTTPSTATE_SEND_DATA &&
 +        rtp_c->state != HTTPSTATE_WAIT_FEED &&
 +        rtp_c->state != HTTPSTATE_READY) {
 +        rtsp_reply_error(c, RTSP_STATUS_STATE);
 +        return;
 +    }
 +
 +    rtp_c->state = HTTPSTATE_SEND_DATA;
 +
 +    /* now everything is OK, so we can send the connection parameters */
 +    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    /* session ID */
 +    avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
 +    avio_printf(c->pb, "\r\n");
 +}
 +
 +static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 +{
 +    HTTPContext *rtp_c;
 +
 +    rtp_c = find_rtp_session_with_url(url, h->session_id);
 +    if (!rtp_c) {
 +        rtsp_reply_error(c, RTSP_STATUS_SESSION);
 +        return;
 +    }
 +
 +    if (rtp_c->state != HTTPSTATE_SEND_DATA &&
 +        rtp_c->state != HTTPSTATE_WAIT_FEED) {
 +        rtsp_reply_error(c, RTSP_STATUS_STATE);
 +        return;
 +    }
 +
 +    rtp_c->state = HTTPSTATE_READY;
 +    rtp_c->first_pts = AV_NOPTS_VALUE;
 +    /* now everything is OK, so we can send the connection parameters */
 +    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    /* session ID */
 +    avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
 +    avio_printf(c->pb, "\r\n");
 +}
 +
 +static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 +{
 +    HTTPContext *rtp_c;
 +
 +    rtp_c = find_rtp_session_with_url(url, h->session_id);
 +    if (!rtp_c) {
 +        rtsp_reply_error(c, RTSP_STATUS_SESSION);
 +        return;
 +    }
 +
 +    /* now everything is OK, so we can send the connection parameters */
 +    rtsp_reply_header(c, RTSP_STATUS_OK);
 +    /* session ID */
 +    avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
 +    avio_printf(c->pb, "\r\n");
 +
 +    /* abort the session */
 +    close_connection(rtp_c);
 +}
 +
 +
 +/********************************************************************/
 +/* RTP handling */
 +
 +static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
 +                                       FFStream *stream, const char *session_id,
 +                                       enum RTSPLowerTransport rtp_protocol)
 +{
 +    HTTPContext *c = NULL;
 +    const char *proto_str;
 +
 +    /* XXX: should output a warning page when coming
 +       close to the connection limit */
 +    if (nb_connections >= nb_max_connections)
 +        goto fail;
 +
 +    /* add a new connection */
 +    c = av_mallocz(sizeof(HTTPContext));
 +    if (!c)
 +        goto fail;
 +
 +    c->fd = -1;
 +    c->poll_entry = NULL;
 +    c->from_addr = *from_addr;
 +    c->buffer_size = IOBUFFER_INIT_SIZE;
 +    c->buffer = av_malloc(c->buffer_size);
 +    if (!c->buffer)
 +        goto fail;
 +    nb_connections++;
 +    c->stream = stream;
 +    av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
 +    c->state = HTTPSTATE_READY;
 +    c->is_packetized = 1;
 +    c->rtp_protocol = rtp_protocol;
 +
 +    /* protocol is shown in statistics */
 +    switch(c->rtp_protocol) {
 +    case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
 +        proto_str = "MCAST";
 +        break;
 +    case RTSP_LOWER_TRANSPORT_UDP:
 +        proto_str = "UDP";
 +        break;
 +    case RTSP_LOWER_TRANSPORT_TCP:
 +        proto_str = "TCP";
 +        break;
 +    default:
 +        proto_str = "???";
 +        break;
 +    }
 +    av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
 +    av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
 +
 +    current_bandwidth += stream->bandwidth;
 +
 +    c->next = first_http_ctx;
 +    first_http_ctx = c;
 +    return c;
 +
 + fail:
 +    if (c) {
 +        av_free(c->buffer);
 +        av_free(c);
 +    }
 +    return NULL;
 +}
 +
 +/* add a new RTP stream in an RTP connection (used in RTSP SETUP
 +   command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
 +   used. */
 +static int rtp_new_av_stream(HTTPContext *c,
 +                             int stream_index, struct sockaddr_in *dest_addr,
 +                             HTTPContext *rtsp_c)
 +{
 +    AVFormatContext *ctx;
 +    AVStream *st;
 +    char *ipaddr;
 +    URLContext *h = NULL;
 +    uint8_t *dummy_buf;
 +    int max_packet_size;
 +
 +    /* now we can open the relevant output stream */
 +    ctx = avformat_alloc_context();
 +    if (!ctx)
 +        return -1;
 +    ctx->oformat = av_guess_format("rtp", NULL, NULL);
 +
 +    st = av_mallocz(sizeof(AVStream));
 +    if (!st)
 +        goto fail;
 +    ctx->nb_streams = 1;
 +    ctx->streams = av_mallocz(sizeof(AVStream *) * ctx->nb_streams);
 +    if (!ctx->streams)
 +      goto fail;
 +    ctx->streams[0] = st;
 +
 +    if (!c->stream->feed ||
 +        c->stream->feed == c->stream)
 +        memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
 +    else
 +        memcpy(st,
 +               c->stream->feed->streams[c->stream->feed_streams[stream_index]],
 +               sizeof(AVStream));
 +    st->priv_data = NULL;
 +
 +    /* build destination RTP address */
 +    ipaddr = inet_ntoa(dest_addr->sin_addr);
 +
 +    switch(c->rtp_protocol) {
 +    case RTSP_LOWER_TRANSPORT_UDP:
 +    case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
 +        /* RTP/UDP case */
 +
 +        /* XXX: also pass as parameter to function ? */
 +        if (c->stream->is_multicast) {
 +            int ttl;
 +            ttl = c->stream->multicast_ttl;
 +            if (!ttl)
 +                ttl = 16;
 +            snprintf(ctx->filename, sizeof(ctx->filename),
 +                     "rtp://%s:%d?multicast=1&ttl=%d",
 +                     ipaddr, ntohs(dest_addr->sin_port), ttl);
 +        } else {
 +            snprintf(ctx->filename, sizeof(ctx->filename),
 +                     "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
 +        }
 +
 +        if (url_open(&h, ctx->filename, AVIO_FLAG_WRITE) < 0)
 +            goto fail;
 +        c->rtp_handles[stream_index] = h;
 +        max_packet_size = url_get_max_packet_size(h);
 +        break;
 +    case RTSP_LOWER_TRANSPORT_TCP:
 +        /* RTP/TCP case */
 +        c->rtsp_c = rtsp_c;
 +        max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
 +        break;
 +    default:
 +        goto fail;
 +    }
 +
 +    http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
 +             ipaddr, ntohs(dest_addr->sin_port),
 +             c->stream->filename, stream_index, c->protocol);
 +
 +    /* normally, no packets should be output here, but the packet size may be checked */
 +    if (ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
 +        /* XXX: close stream */
 +        goto fail;
 +    }
 +    if (avformat_write_header(ctx, NULL) < 0) {
 +    fail:
 +        if (h)
 +            url_close(h);
 +        av_free(ctx);
 +        return -1;
 +    }
 +    avio_close_dyn_buf(ctx->pb, &dummy_buf);
 +    av_free(dummy_buf);
 +
 +    c->rtp_ctx[stream_index] = ctx;
 +    return 0;
 +}
 +
 +/********************************************************************/
 +/* ffserver initialization */
 +
 +static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
 +{
 +    AVStream *fst;
 +
 +    fst = av_mallocz(sizeof(AVStream));
 +    if (!fst)
 +        return NULL;
 +    if (copy) {
 +        fst->codec = avcodec_alloc_context3(NULL);
 +        memcpy(fst->codec, codec, sizeof(AVCodecContext));
 +        if (codec->extradata_size) {
 +            fst->codec->extradata = av_malloc(codec->extradata_size);
 +            memcpy(fst->codec->extradata, codec->extradata,
 +                codec->extradata_size);
 +        }
 +    } else {
 +        /* live streams must use the actual feed's codec since it may be
 +         * updated later to carry extradata needed by the streams.
 +         */
 +        fst->codec = codec;
 +    }
 +    fst->priv_data = av_mallocz(sizeof(FeedData));
 +    fst->index = stream->nb_streams;
 +    av_set_pts_info(fst, 33, 1, 90000);
 +    fst->sample_aspect_ratio = codec->sample_aspect_ratio;
 +    stream->streams[stream->nb_streams++] = fst;
 +    return fst;
 +}
 +
 +/* return the stream number in the feed */
 +static int add_av_stream(FFStream *feed, AVStream *st)
 +{
 +    AVStream *fst;
 +    AVCodecContext *av, *av1;
 +    int i;
 +
 +    av = st->codec;
 +    for(i=0;i<feed->nb_streams;i++) {
 +        st = feed->streams[i];
 +        av1 = st->codec;
 +        if (av1->codec_id == av->codec_id &&
 +            av1->codec_type == av->codec_type &&
 +            av1->bit_rate == av->bit_rate) {
 +
 +            switch(av->codec_type) {
 +            case AVMEDIA_TYPE_AUDIO:
 +                if (av1->channels == av->channels &&
 +                    av1->sample_rate == av->sample_rate)
 +                    return i;
 +                break;
 +            case AVMEDIA_TYPE_VIDEO:
 +                if (av1->width == av->width &&
 +                    av1->height == av->height &&
 +                    av1->time_base.den == av->time_base.den &&
 +                    av1->time_base.num == av->time_base.num &&
 +                    av1->gop_size == av->gop_size)
 +                    return i;
 +                break;
 +            default:
 +                abort();
 +            }
 +        }
 +    }
 +
 +    fst = add_av_stream1(feed, av, 0);
 +    if (!fst)
 +        return -1;
 +    return feed->nb_streams - 1;
 +}
 +
 +static void remove_stream(FFStream *stream)
 +{
 +    FFStream **ps;
 +    ps = &first_stream;
 +    while (*ps != NULL) {
 +        if (*ps == stream)
 +            *ps = (*ps)->next;
 +        else
 +            ps = &(*ps)->next;
 +    }
 +}
 +
 +/* specific mpeg4 handling : we extract the raw parameters */
 +static void extract_mpeg4_header(AVFormatContext *infile)
 +{
 +    int mpeg4_count, i, size;
 +    AVPacket pkt;
 +    AVStream *st;
 +    const uint8_t *p;
 +
 +    mpeg4_count = 0;
 +    for(i=0;i<infile->nb_streams;i++) {
 +        st = infile->streams[i];
 +        if (st->codec->codec_id == CODEC_ID_MPEG4 &&
 +            st->codec->extradata_size == 0) {
 +            mpeg4_count++;
 +        }
 +    }
 +    if (!mpeg4_count)
 +        return;
 +
 +    printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
 +    while (mpeg4_count > 0) {
 +        if (av_read_packet(infile, &pkt) < 0)
 +            break;
 +        st = infile->streams[pkt.stream_index];
 +        if (st->codec->codec_id == CODEC_ID_MPEG4 &&
 +            st->codec->extradata_size == 0) {
 +            av_freep(&st->codec->extradata);
 +            /* fill extradata with the header */
 +            /* XXX: we make hard suppositions here ! */
 +            p = pkt.data;
 +            while (p < pkt.data + pkt.size - 4) {
 +                /* stop when vop header is found */
 +                if (p[0] == 0x00 && p[1] == 0x00 &&
 +                    p[2] == 0x01 && p[3] == 0xb6) {
 +                    size = p - pkt.data;
 +                    //                    av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
 +                    st->codec->extradata = av_malloc(size);
 +                    st->codec->extradata_size = size;
 +                    memcpy(st->codec->extradata, pkt.data, size);
 +                    break;
 +                }
 +                p++;
 +            }
 +            mpeg4_count--;
 +        }
 +        av_free_packet(&pkt);
 +    }
 +}
 +
 +/* compute the needed AVStream for each file */
 +static void build_file_streams(void)
 +{
 +    FFStream *stream, *stream_next;
 +    int i, ret;
 +
 +    /* gather all streams */
 +    for(stream = first_stream; stream != NULL; stream = stream_next) {
 +        AVFormatContext *infile = NULL;
 +        stream_next = stream->next;
 +        if (stream->stream_type == STREAM_TYPE_LIVE &&
 +            !stream->feed) {
 +            /* the stream comes from a file */
 +            /* try to open the file */
 +            /* open stream */
 +            if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
 +                /* specific case : if transport stream output to RTP,
 +                   we use a raw transport stream reader */
 +                av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0);
 +            }
 +
 +            http_log("Opening file '%s'\n", stream->feed_filename);
 +            if ((ret = avformat_open_input(&infile, stream->feed_filename, stream->ifmt, &stream->in_opts)) < 0) {
 +                http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
 +                /* remove stream (no need to spend more time on it) */
 +            fail:
 +                remove_stream(stream);
 +            } else {
 +                /* find all the AVStreams inside and reference them in
 +                   'stream' */
++                if (avformat_find_stream_info(infile, NULL) < 0) {
 +                    http_log("Could not find codec parameters from '%s'\n",
 +                             stream->feed_filename);
 +                    av_close_input_file(infile);
 +                    goto fail;
 +                }
 +                extract_mpeg4_header(infile);
 +
 +                for(i=0;i<infile->nb_streams;i++)
 +                    add_av_stream1(stream, infile->streams[i]->codec, 1);
 +
 +                av_close_input_file(infile);
 +            }
 +        }
 +    }
 +}
 +
 +/* compute the needed AVStream for each feed */
 +static void build_feed_streams(void)
 +{
 +    FFStream *stream, *feed;
 +    int i;
 +
 +    /* gather all streams */
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        feed = stream->feed;
 +        if (feed) {
 +            if (stream->is_feed) {
 +                for(i=0;i<stream->nb_streams;i++)
 +                    stream->feed_streams[i] = i;
 +            } else {
 +                /* we handle a stream coming from a feed */
 +                for(i=0;i<stream->nb_streams;i++)
 +                    stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
 +            }
 +        }
 +    }
 +
 +    /* create feed files if needed */
 +    for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
 +        int fd;
 +
 +        if (avio_check(feed->feed_filename, AVIO_FLAG_READ) > 0) {
 +            /* See if it matches */
 +            AVFormatContext *s = NULL;
 +            int matches = 0;
 +
 +            if (avformat_open_input(&s, feed->feed_filename, NULL, NULL) >= 0) {
 +                /* Now see if it matches */
 +                if (s->nb_streams == feed->nb_streams) {
 +                    matches = 1;
 +                    for(i=0;i<s->nb_streams;i++) {
 +                        AVStream *sf, *ss;
 +                        sf = feed->streams[i];
 +                        ss = s->streams[i];
 +
 +                        if (sf->index != ss->index ||
 +                            sf->id != ss->id) {
 +                            http_log("Index & Id do not match for stream %d (%s)\n",
 +                                   i, feed->feed_filename);
 +                            matches = 0;
 +                        } else {
 +                            AVCodecContext *ccf, *ccs;
 +
 +                            ccf = sf->codec;
 +                            ccs = ss->codec;
 +#define CHECK_CODEC(x)  (ccf->x != ccs->x)
 +
 +                            if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
 +                                http_log("Codecs do not match for stream %d\n", i);
 +                                matches = 0;
 +                            } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
 +                                http_log("Codec bitrates do not match for stream %d\n", i);
 +                                matches = 0;
 +                            } else if (ccf->codec_type == AVMEDIA_TYPE_VIDEO) {
 +                                if (CHECK_CODEC(time_base.den) ||
 +                                    CHECK_CODEC(time_base.num) ||
 +                                    CHECK_CODEC(width) ||
 +                                    CHECK_CODEC(height)) {
 +                                    http_log("Codec width, height and framerate do not match for stream %d\n", i);
 +                                    matches = 0;
 +                                }
 +                            } else if (ccf->codec_type == AVMEDIA_TYPE_AUDIO) {
 +                                if (CHECK_CODEC(sample_rate) ||
 +                                    CHECK_CODEC(channels) ||
 +                                    CHECK_CODEC(frame_size)) {
 +                                    http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
 +                                    matches = 0;
 +                                }
 +                            } else {
 +                                http_log("Unknown codec type\n");
 +                                matches = 0;
 +                            }
 +                        }
 +                        if (!matches)
 +                            break;
 +                    }
 +                } else
 +                    http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
 +                        feed->feed_filename, s->nb_streams, feed->nb_streams);
 +
 +                av_close_input_file(s);
 +            } else
 +                http_log("Deleting feed file '%s' as it appears to be corrupt\n",
 +                        feed->feed_filename);
 +
 +            if (!matches) {
 +                if (feed->readonly) {
 +                    http_log("Unable to delete feed file '%s' as it is marked readonly\n",
 +                        feed->feed_filename);
 +                    exit(1);
 +                }
 +                unlink(feed->feed_filename);
 +            }
 +        }
 +        if (avio_check(feed->feed_filename, AVIO_FLAG_WRITE) <= 0) {
 +            AVFormatContext s1 = {0}, *s = &s1;
 +
 +            if (feed->readonly) {
 +                http_log("Unable to create feed file '%s' as it is marked readonly\n",
 +                    feed->feed_filename);
 +                exit(1);
 +            }
 +
 +            /* only write the header of the ffm file */
 +            if (avio_open(&s->pb, feed->feed_filename, AVIO_FLAG_WRITE) < 0) {
 +                http_log("Could not open output feed file '%s'\n",
 +                         feed->feed_filename);
 +                exit(1);
 +            }
 +            s->oformat = feed->fmt;
 +            s->nb_streams = feed->nb_streams;
 +            s->streams = feed->streams;
 +            if (avformat_write_header(s, NULL) < 0) {
 +                http_log("Container doesn't supports the required parameters\n");
 +                exit(1);
 +            }
 +            /* XXX: need better api */
 +            av_freep(&s->priv_data);
 +            avio_close(s->pb);
 +        }
 +        /* get feed size and write index */
 +        fd = open(feed->feed_filename, O_RDONLY);
 +        if (fd < 0) {
 +            http_log("Could not open output feed file '%s'\n",
 +                    feed->feed_filename);
 +            exit(1);
 +        }
 +
 +        feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
 +        feed->feed_size = lseek(fd, 0, SEEK_END);
 +        /* ensure that we do not wrap before the end of file */
 +        if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
 +            feed->feed_max_size = feed->feed_size;
 +
 +        close(fd);
 +    }
 +}
 +
 +/* compute the bandwidth used by each stream */
 +static void compute_bandwidth(void)
 +{
 +    unsigned bandwidth;
 +    int i;
 +    FFStream *stream;
 +
 +    for(stream = first_stream; stream != NULL; stream = stream->next) {
 +        bandwidth = 0;
 +        for(i=0;i<stream->nb_streams;i++) {
 +            AVStream *st = stream->streams[i];
 +            switch(st->codec->codec_type) {
 +            case AVMEDIA_TYPE_AUDIO:
 +            case AVMEDIA_TYPE_VIDEO:
 +                bandwidth += st->codec->bit_rate;
 +                break;
 +            default:
 +                break;
 +            }
 +        }
 +        stream->bandwidth = (bandwidth + 999) / 1000;
 +    }
 +}
 +
 +/* add a codec and set the default parameters */
 +static void add_codec(FFStream *stream, AVCodecContext *av)
 +{
 +    AVStream *st;
 +
 +    /* compute default parameters */
 +    switch(av->codec_type) {
 +    case AVMEDIA_TYPE_AUDIO:
 +        if (av->bit_rate == 0)
 +            av->bit_rate = 64000;
 +        if (av->sample_rate == 0)
 +            av->sample_rate = 22050;
 +        if (av->channels == 0)
 +            av->channels = 1;
 +        break;
 +    case AVMEDIA_TYPE_VIDEO:
 +        if (av->bit_rate == 0)
 +            av->bit_rate = 64000;
 +        if (av->time_base.num == 0){
 +            av->time_base.den = 5;
 +            av->time_base.num = 1;
 +        }
 +        if (av->width == 0 || av->height == 0) {
 +            av->width = 160;
 +            av->height = 128;
 +        }
 +        /* Bitrate tolerance is less for streaming */
 +        if (av->bit_rate_tolerance == 0)
 +            av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
 +                      (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
 +        if (av->qmin == 0)
 +            av->qmin = 3;
 +        if (av->qmax == 0)
 +            av->qmax = 31;
 +        if (av->max_qdiff == 0)
 +            av->max_qdiff = 3;
 +        av->qcompress = 0.5;
 +        av->qblur = 0.5;
 +
 +        if (!av->nsse_weight)
 +            av->nsse_weight = 8;
 +
 +        av->frame_skip_cmp = FF_CMP_DCTMAX;
 +        if (!av->me_method)
 +            av->me_method = ME_EPZS;
 +        av->rc_buffer_aggressivity = 1.0;
 +
 +        if (!av->rc_eq)
 +            av->rc_eq = "tex^qComp";
 +        if (!av->i_quant_factor)
 +            av->i_quant_factor = -0.8;
 +        if (!av->b_quant_factor)
 +            av->b_quant_factor = 1.25;
 +        if (!av->b_quant_offset)
 +            av->b_quant_offset = 1.25;
 +        if (!av->rc_max_rate)
 +            av->rc_max_rate = av->bit_rate * 2;
 +
 +        if (av->rc_max_rate && !av->rc_buffer_size) {
 +            av->rc_buffer_size = av->rc_max_rate;
 +        }
 +
 +
 +        break;
 +    default:
 +        abort();
 +    }
 +
 +    st = av_mallocz(sizeof(AVStream));
 +    if (!st)
 +        return;
 +    st->codec = avcodec_alloc_context3(NULL);
 +    stream->streams[stream->nb_streams++] = st;
 +    memcpy(st->codec, av, sizeof(AVCodecContext));
 +}
 +
 +static enum CodecID opt_audio_codec(const char *arg)
 +{
 +    AVCodec *p= avcodec_find_encoder_by_name(arg);
 +
 +    if (p == NULL || p->type != AVMEDIA_TYPE_AUDIO)
 +        return CODEC_ID_NONE;
 +
 +    return p->id;
 +}
 +
 +static enum CodecID opt_video_codec(const char *arg)
 +{
 +    AVCodec *p= avcodec_find_encoder_by_name(arg);
 +
 +    if (p == NULL || p->type != AVMEDIA_TYPE_VIDEO)
 +        return CODEC_ID_NONE;
 +
 +    return p->id;
 +}
 +
 +/* simplistic plugin support */
 +
 +#if HAVE_DLOPEN
 +static void load_module(const char *filename)
 +{
 +    void *dll;
 +    void (*init_func)(void);
 +    dll = dlopen(filename, RTLD_NOW);
 +    if (!dll) {
 +        fprintf(stderr, "Could not load module '%s' - %s\n",
 +                filename, dlerror());
 +        return;
 +    }
 +
 +    init_func = dlsym(dll, "ffserver_module_init");
 +    if (!init_func) {
 +        fprintf(stderr,
 +                "%s: init function 'ffserver_module_init()' not found\n",
 +                filename);
 +        dlclose(dll);
 +    }
 +
 +    init_func();
 +}
 +#endif
 +
 +static int ffserver_opt_default(const char *opt, const char *arg,
 +                       AVCodecContext *avctx, int type)
 +{
 +    int ret = 0;
 +    const AVOption *o = av_opt_find(avctx, opt, NULL, type, 0);
 +    if(o)
 +        ret = av_set_string3(avctx, opt, arg, 1, NULL);
 +    return ret;
 +}
 +
 +static int ffserver_opt_preset(const char *arg,
 +                       AVCodecContext *avctx, int type,
 +                       enum CodecID *audio_id, enum CodecID *video_id)
 +{
 +    FILE *f=NULL;
 +    char filename[1000], tmp[1000], tmp2[1000], line[1000];
 +    int ret = 0;
 +    AVCodec *codec = avcodec_find_encoder(avctx->codec_id);
 +
 +    if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
 +                              codec ? codec->name : NULL))) {
 +        fprintf(stderr, "File for preset '%s' not found\n", arg);
 +        return 1;
 +    }
 +
 +    while(!feof(f)){
 +        int e= fscanf(f, "%999[^\n]\n", line) - 1;
 +        if(line[0] == '#' && !e)
 +            continue;
 +        e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
 +        if(e){
 +            fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
 +            ret = 1;
 +            break;
 +        }
 +        if(!strcmp(tmp, "acodec")){
 +            *audio_id = opt_audio_codec(tmp2);
 +        }else if(!strcmp(tmp, "vcodec")){
 +            *video_id = opt_video_codec(tmp2);
 +        }else if(!strcmp(tmp, "scodec")){
 +            /* opt_subtitle_codec(tmp2); */
 +        }else if(ffserver_opt_default(tmp, tmp2, avctx, type) < 0){
 +            fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
 +            ret = 1;
 +            break;
 +        }
 +    }
 +
 +    fclose(f);
 +
 +    return ret;
 +}
 +
 +static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename,
 +                                             const char *mime_type)
 +{
 +    AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
 +
 +    if (fmt) {
 +        AVOutputFormat *stream_fmt;
 +        char stream_format_name[64];
 +
 +        snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
 +        stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
 +
 +        if (stream_fmt)
 +            fmt = stream_fmt;
 +    }
 +
 +    return fmt;
 +}
 +
 +static void report_config_error(const char *filename, int line_num, int *errors, const char *fmt, ...)
 +{
 +    va_list vl;
 +    va_start(vl, fmt);
 +    fprintf(stderr, "%s:%d: ", filename, line_num);
 +    vfprintf(stderr, fmt, vl);
 +    va_end(vl);
 +
 +    (*errors)++;
 +}
 +
 +static int parse_ffconfig(const char *filename)
 +{
 +    FILE *f;
 +    char line[1024];
 +    char cmd[64];
 +    char arg[1024];
 +    const char *p;
 +    int val, errors, line_num;
 +    FFStream **last_stream, *stream, *redirect;
 +    FFStream **last_feed, *feed, *s;
 +    AVCodecContext audio_enc, video_enc;
 +    enum CodecID audio_id, video_id;
 +
 +    f = fopen(filename, "r");
 +    if (!f) {
 +        perror(filename);
 +        return -1;
 +    }
 +
 +    errors = 0;
 +    line_num = 0;
 +    first_stream = NULL;
 +    last_stream = &first_stream;
 +    first_feed = NULL;
 +    last_feed = &first_feed;
 +    stream = NULL;
 +    feed = NULL;
 +    redirect = NULL;
 +    audio_id = CODEC_ID_NONE;
 +    video_id = CODEC_ID_NONE;
 +
 +#define ERROR(...) report_config_error(filename, line_num, &errors, __VA_ARGS__)
 +    for(;;) {
 +        if (fgets(line, sizeof(line), f) == NULL)
 +            break;
 +        line_num++;
 +        p = line;
 +        while (isspace(*p))
 +            p++;
 +        if (*p == '\0' || *p == '#')
 +            continue;
 +
 +        get_arg(cmd, sizeof(cmd), &p);
 +
 +        if (!strcasecmp(cmd, "Port")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            val = atoi(arg);
 +            if (val < 1 || val > 65536) {
 +                ERROR("Invalid_port: %s\n", arg);
 +            }
 +            my_http_addr.sin_port = htons(val);
 +        } else if (!strcasecmp(cmd, "BindAddress")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
 +                ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
 +            }
 +        } else if (!strcasecmp(cmd, "NoDaemon")) {
 +            ffserver_daemon = 0;
 +        } else if (!strcasecmp(cmd, "RTSPPort")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            val = atoi(arg);
 +            if (val < 1 || val > 65536) {
 +                ERROR("%s:%d: Invalid port: %s\n", arg);
 +            }
 +            my_rtsp_addr.sin_port = htons(atoi(arg));
 +        } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
 +                ERROR("Invalid host/IP address: %s\n", arg);
 +            }
 +        } else if (!strcasecmp(cmd, "MaxHTTPConnections")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            val = atoi(arg);
 +            if (val < 1 || val > 65536) {
 +                ERROR("Invalid MaxHTTPConnections: %s\n", arg);
 +            }
 +            nb_max_http_connections = val;
 +        } else if (!strcasecmp(cmd, "MaxClients")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            val = atoi(arg);
 +            if (val < 1 || val > nb_max_http_connections) {
 +                ERROR("Invalid MaxClients: %s\n", arg);
 +            } else {
 +                nb_max_connections = val;
 +            }
 +        } else if (!strcasecmp(cmd, "MaxBandwidth")) {
 +            int64_t llval;
 +            get_arg(arg, sizeof(arg), &p);
 +            llval = atoll(arg);
 +            if (llval < 10 || llval > 10000000) {
 +                ERROR("Invalid MaxBandwidth: %s\n", arg);
 +            } else
 +                max_bandwidth = llval;
 +        } else if (!strcasecmp(cmd, "CustomLog")) {
 +            if (!ffserver_debug)
 +                get_arg(logfilename, sizeof(logfilename), &p);
 +        } else if (!strcasecmp(cmd, "<Feed")) {
 +            /*********************************************/
 +            /* Feed related options */
 +            char *q;
 +            if (stream || feed) {
 +                ERROR("Already in a tag\n");
 +            } else {
 +                feed = av_mallocz(sizeof(FFStream));
 +                get_arg(feed->filename, sizeof(feed->filename), &p);
 +                q = strrchr(feed->filename, '>');
 +                if (*q)
 +                    *q = '\0';
 +
 +                for (s = first_feed; s; s = s->next) {
 +                    if (!strcmp(feed->filename, s->filename)) {
 +                        ERROR("Feed '%s' already registered\n", s->filename);
 +                    }
 +                }
 +
 +                feed->fmt = av_guess_format("ffm", NULL, NULL);
 +                /* defaut feed file */
 +                snprintf(feed->feed_filename, sizeof(feed->feed_filename),
 +                         "/tmp/%s.ffm", feed->filename);
 +                feed->feed_max_size = 5 * 1024 * 1024;
 +                feed->is_feed = 1;
 +                feed->feed = feed; /* self feeding :-) */
 +
 +                /* add in stream list */
 +                *last_stream = feed;
 +                last_stream = &feed->next;
 +                /* add in feed list */
 +                *last_feed = feed;
 +                last_feed = &feed->next_feed;
 +            }
 +        } else if (!strcasecmp(cmd, "Launch")) {
 +            if (feed) {
 +                int i;
 +
 +                feed->child_argv = av_mallocz(64 * sizeof(char *));
 +
 +                for (i = 0; i < 62; i++) {
 +                    get_arg(arg, sizeof(arg), &p);
 +                    if (!arg[0])
 +                        break;
 +
 +                    feed->child_argv[i] = av_strdup(arg);
 +                }
 +
 +                feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
 +
 +                snprintf(feed->child_argv[i], 30+strlen(feed->filename),
 +                    "http://%s:%d/%s",
 +                        (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
 +                    inet_ntoa(my_http_addr.sin_addr),
 +                    ntohs(my_http_addr.sin_port), feed->filename);
 +            }
 +        } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
 +            if (feed) {
 +                get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
 +                feed->readonly = 1;
 +            } else if (stream) {
 +                get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
 +            }
 +        } else if (!strcasecmp(cmd, "File")) {
 +            if (feed) {
 +                get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
 +            } else if (stream)
 +                get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
 +        } else if (!strcasecmp(cmd, "Truncate")) {
 +            if (feed) {
 +                get_arg(arg, sizeof(arg), &p);
 +                feed->truncate = strtod(arg, NULL);
 +            }
 +        } else if (!strcasecmp(cmd, "FileMaxSize")) {
 +            if (feed) {
 +                char *p1;
 +                double fsize;
 +
 +                get_arg(arg, sizeof(arg), &p);
 +                p1 = arg;
 +                fsize = strtod(p1, &p1);
 +                switch(toupper(*p1)) {
 +                case 'K':
 +                    fsize *= 1024;
 +                    break;
 +                case 'M':
 +                    fsize *= 1024 * 1024;
 +                    break;
 +                case 'G':
 +                    fsize *= 1024 * 1024 * 1024;
 +                    break;
 +                }
 +                feed->feed_max_size = (int64_t)fsize;
 +                if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
 +                    ERROR("Feed max file size is too small, must be at least %d\n", FFM_PACKET_SIZE*4);
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "</Feed>")) {
 +            if (!feed) {
 +                ERROR("No corresponding <Feed> for </Feed>\n");
 +            }
 +            feed = NULL;
 +        } else if (!strcasecmp(cmd, "<Stream")) {
 +            /*********************************************/
 +            /* Stream related options */
 +            char *q;
 +            if (stream || feed) {
 +                ERROR("Already in a tag\n");
 +            } else {
 +                FFStream *s;
 +                stream = av_mallocz(sizeof(FFStream));
 +                get_arg(stream->filename, sizeof(stream->filename), &p);
 +                q = strrchr(stream->filename, '>');
 +                if (*q)
 +                    *q = '\0';
 +
 +                for (s = first_stream; s; s = s->next) {
 +                    if (!strcmp(stream->filename, s->filename)) {
 +                        ERROR("Stream '%s' already registered\n", s->filename);
 +                    }
 +                }
 +
 +                stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
 +                avcodec_get_context_defaults2(&video_enc, AVMEDIA_TYPE_VIDEO);
 +                avcodec_get_context_defaults2(&audio_enc, AVMEDIA_TYPE_AUDIO);
 +                audio_id = CODEC_ID_NONE;
 +                video_id = CODEC_ID_NONE;
 +                if (stream->fmt) {
 +                    audio_id = stream->fmt->audio_codec;
 +                    video_id = stream->fmt->video_codec;
 +                }
 +
 +                *last_stream = stream;
 +                last_stream = &stream->next;
 +            }
 +        } else if (!strcasecmp(cmd, "Feed")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                FFStream *sfeed;
 +
 +                sfeed = first_feed;
 +                while (sfeed != NULL) {
 +                    if (!strcmp(sfeed->filename, arg))
 +                        break;
 +                    sfeed = sfeed->next_feed;
 +                }
 +                if (!sfeed)
 +                    ERROR("feed '%s' not defined\n", arg);
 +                else
 +                    stream->feed = sfeed;
 +            }
 +        } else if (!strcasecmp(cmd, "Format")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                if (!strcmp(arg, "status")) {
 +                    stream->stream_type = STREAM_TYPE_STATUS;
 +                    stream->fmt = NULL;
 +                } else {
 +                    stream->stream_type = STREAM_TYPE_LIVE;
 +                    /* jpeg cannot be used here, so use single frame jpeg */
 +                    if (!strcmp(arg, "jpeg"))
 +                        strcpy(arg, "mjpeg");
 +                    stream->fmt = ffserver_guess_format(arg, NULL, NULL);
 +                    if (!stream->fmt) {
 +                        ERROR("Unknown Format: %s\n", arg);
 +                    }
 +                }
 +                if (stream->fmt) {
 +                    audio_id = stream->fmt->audio_codec;
 +                    video_id = stream->fmt->video_codec;
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "InputFormat")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                stream->ifmt = av_find_input_format(arg);
 +                if (!stream->ifmt) {
 +                    ERROR("Unknown input format: %s\n", arg);
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "FaviconURL")) {
 +            if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
 +                get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
 +            } else {
 +                ERROR("FaviconURL only permitted for status streams\n");
 +            }
 +        } else if (!strcasecmp(cmd, "Author")) {
 +            if (stream)
 +                get_arg(stream->author, sizeof(stream->author), &p);
 +        } else if (!strcasecmp(cmd, "Comment")) {
 +            if (stream)
 +                get_arg(stream->comment, sizeof(stream->comment), &p);
 +        } else if (!strcasecmp(cmd, "Copyright")) {
 +            if (stream)
 +                get_arg(stream->copyright, sizeof(stream->copyright), &p);
 +        } else if (!strcasecmp(cmd, "Title")) {
 +            if (stream)
 +                get_arg(stream->title, sizeof(stream->title), &p);
 +        } else if (!strcasecmp(cmd, "Preroll")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                stream->prebuffer = atof(arg) * 1000;
 +        } else if (!strcasecmp(cmd, "StartSendOnKey")) {
 +            if (stream)
 +                stream->send_on_key = 1;
 +        } else if (!strcasecmp(cmd, "AudioCodec")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            audio_id = opt_audio_codec(arg);
 +            if (audio_id == CODEC_ID_NONE) {
 +                ERROR("Unknown AudioCodec: %s\n", arg);
 +            }
 +        } else if (!strcasecmp(cmd, "VideoCodec")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            video_id = opt_video_codec(arg);
 +            if (video_id == CODEC_ID_NONE) {
 +                ERROR("Unknown VideoCodec: %s\n", arg);
 +            }
 +        } else if (!strcasecmp(cmd, "MaxTime")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                stream->max_time = atof(arg) * 1000;
 +        } else if (!strcasecmp(cmd, "AudioBitRate")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                audio_enc.bit_rate = lrintf(atof(arg) * 1000);
 +        } else if (!strcasecmp(cmd, "AudioChannels")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                audio_enc.channels = atoi(arg);
 +        } else if (!strcasecmp(cmd, "AudioSampleRate")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                audio_enc.sample_rate = atoi(arg);
 +        } else if (!strcasecmp(cmd, "AudioQuality")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +//                audio_enc.quality = atof(arg) * 1000;
 +            }
 +        } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
 +            if (stream) {
 +                int minrate, maxrate;
 +
 +                get_arg(arg, sizeof(arg), &p);
 +
 +                if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
 +                    video_enc.rc_min_rate = minrate * 1000;
 +                    video_enc.rc_max_rate = maxrate * 1000;
 +                } else {
 +                    ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "Debug")) {
 +            if (stream) {
 +                get_arg(arg, sizeof(arg), &p);
 +                video_enc.debug = strtol(arg,0,0);
 +            }
 +        } else if (!strcasecmp(cmd, "Strict")) {
 +            if (stream) {
 +                get_arg(arg, sizeof(arg), &p);
 +                video_enc.strict_std_compliance = atoi(arg);
 +            }
 +        } else if (!strcasecmp(cmd, "VideoBufferSize")) {
 +            if (stream) {
 +                get_arg(arg, sizeof(arg), &p);
 +                video_enc.rc_buffer_size = atoi(arg) * 8*1024;
 +            }
 +        } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
 +            if (stream) {
 +                get_arg(arg, sizeof(arg), &p);
 +                video_enc.bit_rate_tolerance = atoi(arg) * 1000;
 +            }
 +        } else if (!strcasecmp(cmd, "VideoBitRate")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                video_enc.bit_rate = atoi(arg) * 1000;
 +            }
 +        } else if (!strcasecmp(cmd, "VideoSize")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                av_parse_video_size(&video_enc.width, &video_enc.height, arg);
 +                if ((video_enc.width % 16) != 0 ||
 +                    (video_enc.height % 16) != 0) {
 +                    ERROR("Image size must be a multiple of 16\n");
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "VideoFrameRate")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                AVRational frame_rate;
 +                if (av_parse_video_rate(&frame_rate, arg) < 0) {
 +                    ERROR("Incorrect frame rate: %s\n", arg);
 +                } else {
 +                    video_enc.time_base.num = frame_rate.den;
 +                    video_enc.time_base.den = frame_rate.num;
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "VideoGopSize")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                video_enc.gop_size = atoi(arg);
 +        } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
 +            if (stream)
 +                video_enc.gop_size = 1;
 +        } else if (!strcasecmp(cmd, "VideoHighQuality")) {
 +            if (stream)
 +                video_enc.mb_decision = FF_MB_DECISION_BITS;
 +        } else if (!strcasecmp(cmd, "Video4MotionVector")) {
 +            if (stream) {
 +                video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
 +                video_enc.flags |= CODEC_FLAG_4MV;
 +            }
 +        } else if (!strcasecmp(cmd, "AVOptionVideo") ||
 +                   !strcasecmp(cmd, "AVOptionAudio")) {
 +            char arg2[1024];
 +            AVCodecContext *avctx;
 +            int type;
 +            get_arg(arg, sizeof(arg), &p);
 +            get_arg(arg2, sizeof(arg2), &p);
 +            if (!strcasecmp(cmd, "AVOptionVideo")) {
 +                avctx = &video_enc;
 +                type = AV_OPT_FLAG_VIDEO_PARAM;
 +            } else {
 +                avctx = &audio_enc;
 +                type = AV_OPT_FLAG_AUDIO_PARAM;
 +            }
 +            if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
 +                ERROR("AVOption error: %s %s\n", arg, arg2);
 +            }
 +        } else if (!strcasecmp(cmd, "AVPresetVideo") ||
 +                   !strcasecmp(cmd, "AVPresetAudio")) {
 +            AVCodecContext *avctx;
 +            int type;
 +            get_arg(arg, sizeof(arg), &p);
 +            if (!strcasecmp(cmd, "AVPresetVideo")) {
 +                avctx = &video_enc;
 +                video_enc.codec_id = video_id;
 +                type = AV_OPT_FLAG_VIDEO_PARAM;
 +            } else {
 +                avctx = &audio_enc;
 +                audio_enc.codec_id = audio_id;
 +                type = AV_OPT_FLAG_AUDIO_PARAM;
 +            }
 +            if (ffserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &audio_id, &video_id)) {
 +                ERROR("AVPreset error: %s\n", arg);
 +            }
 +        } else if (!strcasecmp(cmd, "VideoTag")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if ((strlen(arg) == 4) && stream)
 +                video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
 +        } else if (!strcasecmp(cmd, "BitExact")) {
 +            if (stream)
 +                video_enc.flags |= CODEC_FLAG_BITEXACT;
 +        } else if (!strcasecmp(cmd, "DctFastint")) {
 +            if (stream)
 +                video_enc.dct_algo  = FF_DCT_FASTINT;
 +        } else if (!strcasecmp(cmd, "IdctSimple")) {
 +            if (stream)
 +                video_enc.idct_algo = FF_IDCT_SIMPLE;
 +        } else if (!strcasecmp(cmd, "Qscale")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                video_enc.flags |= CODEC_FLAG_QSCALE;
 +                video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
 +            }
 +        } else if (!strcasecmp(cmd, "VideoQDiff")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                video_enc.max_qdiff = atoi(arg);
 +                if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
 +                    ERROR("VideoQDiff out of range\n");
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "VideoQMax")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                video_enc.qmax = atoi(arg);
 +                if (video_enc.qmax < 1 || video_enc.qmax > 31) {
 +                    ERROR("VideoQMax out of range\n");
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "VideoQMin")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                video_enc.qmin = atoi(arg);
 +                if (video_enc.qmin < 1 || video_enc.qmin > 31) {
 +                    ERROR("VideoQMin out of range\n");
 +                }
 +            }
 +        } else if (!strcasecmp(cmd, "LumaElim")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                video_enc.luma_elim_threshold = atoi(arg);
 +        } else if (!strcasecmp(cmd, "ChromaElim")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                video_enc.chroma_elim_threshold = atoi(arg);
 +        } else if (!strcasecmp(cmd, "LumiMask")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                video_enc.lumi_masking = atof(arg);
 +        } else if (!strcasecmp(cmd, "DarkMask")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                video_enc.dark_masking = atof(arg);
 +        } else if (!strcasecmp(cmd, "NoVideo")) {
 +            video_id = CODEC_ID_NONE;
 +        } else if (!strcasecmp(cmd, "NoAudio")) {
 +            audio_id = CODEC_ID_NONE;
 +        } else if (!strcasecmp(cmd, "ACL")) {
 +            parse_acl_row(stream, feed, NULL, p, filename, line_num);
 +        } else if (!strcasecmp(cmd, "DynamicACL")) {
 +            if (stream) {
 +                get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), &p);
 +            }
 +        } else if (!strcasecmp(cmd, "RTSPOption")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                av_freep(&stream->rtsp_option);
 +                stream->rtsp_option = av_strdup(arg);
 +            }
 +        } else if (!strcasecmp(cmd, "MulticastAddress")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream) {
 +                if (resolve_host(&stream->multicast_ip, arg) != 0) {
 +                    ERROR("Invalid host/IP address: %s\n", arg);
 +                }
 +                stream->is_multicast = 1;
 +                stream->loop = 1; /* default is looping */
 +            }
 +        } else if (!strcasecmp(cmd, "MulticastPort")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                stream->multicast_port = atoi(arg);
 +        } else if (!strcasecmp(cmd, "MulticastTTL")) {
 +            get_arg(arg, sizeof(arg), &p);
 +            if (stream)
 +                stream->multicast_ttl = atoi(arg);
 +        } else if (!strcasecmp(cmd, "NoLoop")) {
 +            if (stream)
 +                stream->loop = 0;
 +        } else if (!strcasecmp(cmd, "</Stream>")) {
 +            if (!stream) {
 +                ERROR("No corresponding <Stream> for </Stream>\n");
 +            } else {
 +                if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
 +                    if (audio_id != CODEC_ID_NONE) {
 +                        audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
 +                        audio_enc.codec_id = audio_id;
 +                        add_codec(stream, &audio_enc);
 +                    }
 +                    if (video_id != CODEC_ID_NONE) {
 +                        video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
 +                        video_enc.codec_id = video_id;
 +                        add_codec(stream, &video_enc);
 +                    }
 +                }
 +                stream = NULL;
 +            }
 +        } else if (!strcasecmp(cmd, "<Redirect")) {
 +            /*********************************************/
 +            char *q;
 +            if (stream || feed || redirect) {
 +                ERROR("Already in a tag\n");
 +            } else {
 +                redirect = av_mallocz(sizeof(FFStream));
 +                *last_stream = redirect;
 +                last_stream = &redirect->next;
 +
 +                get_arg(redirect->filename, sizeof(redirect->filename), &p);
 +                q = strrchr(redirect->filename, '>');
 +                if (*q)
 +                    *q = '\0';
 +                redirect->stream_type = STREAM_TYPE_REDIRECT;
 +            }
 +        } else if (!strcasecmp(cmd, "URL")) {
 +            if (redirect)
 +                get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
 +        } else if (!strcasecmp(cmd, "</Redirect>")) {
 +            if (!redirect) {
 +                ERROR("No corresponding <Redirect> for </Redirect>\n");
 +            } else {
 +                if (!redirect->feed_filename[0]) {
 +                    ERROR("No URL found for <Redirect>\n");
 +                }
 +                redirect = NULL;
 +            }
 +        } else if (!strcasecmp(cmd, "LoadModule")) {
 +            get_arg(arg, sizeof(arg), &p);
 +#if HAVE_DLOPEN
 +            load_module(arg);
 +#else
 +            ERROR("Module support not compiled into this version: '%s'\n", arg);
 +#endif
 +        } else {
 +            ERROR("Incorrect keyword: '%s'\n", cmd);
 +        }
 +    }
 +#undef ERROR
 +
 +    fclose(f);
 +    if (errors)
 +        return -1;
 +    else
 +        return 0;
 +}
 +
 +static void handle_child_exit(int sig)
 +{
 +    pid_t pid;
 +    int status;
 +
 +    while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
 +        FFStream *feed;
 +
 +        for (feed = first_feed; feed; feed = feed->next) {
 +            if (feed->pid == pid) {
 +                int uptime = time(0) - feed->pid_start;
 +
 +                feed->pid = 0;
 +                fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
 +
 +                if (uptime < 30)
 +                    /* Turn off any more restarts */
 +                    feed->child_argv = 0;
 +            }
 +        }
 +    }
 +
 +    need_to_start_children = 1;
 +}
 +
 +static void opt_debug(void)
 +{
 +    ffserver_debug = 1;
 +    ffserver_daemon = 0;
 +    logfilename[0] = '-';
 +}
 +
 +static int opt_help(const char *opt, const char *arg)
 +{
 +    printf("usage: ffserver [options]\n"
 +           "Hyper fast multi format Audio/Video streaming server\n");
 +    printf("\n");
 +    show_help_options(options, "Main options:\n", 0, 0);
 +    return 0;
 +}
 +
 +static const OptionDef options[] = {
 +#include "cmdutils_common_opts.h"
 +    { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
 +    { "d", 0, {(void*)opt_debug}, "enable debug mode" },
 +    { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
 +    { NULL },
 +};
 +
 +int main(int argc, char **argv)
 +{
 +    struct sigaction sigact;
 +
 +    av_register_all();
 +
 +    show_banner();
 +
 +    my_program_name = argv[0];
 +    my_program_dir = getcwd(0, 0);
 +    ffserver_daemon = 1;
 +
 +    parse_options(argc, argv, options, NULL);
 +
 +    unsetenv("http_proxy");             /* Kill the http_proxy */
 +
 +    av_lfg_init(&random_state, av_get_random_seed());
 +
 +    memset(&sigact, 0, sizeof(sigact));
 +    sigact.sa_handler = handle_child_exit;
 +    sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
 +    sigaction(SIGCHLD, &sigact, 0);
 +
 +    if (parse_ffconfig(config_filename) < 0) {
 +        fprintf(stderr, "Incorrect config file - exiting.\n");
 +        exit(1);
 +    }
 +
 +    /* open log file if needed */
 +    if (logfilename[0] != '\0') {
 +        if (!strcmp(logfilename, "-"))
 +            logfile = stdout;
 +        else
 +            logfile = fopen(logfilename, "a");
 +        av_log_set_callback(http_av_log);
 +    }
 +
 +    build_file_streams();
 +
 +    build_feed_streams();
 +
 +    compute_bandwidth();
 +
 +    /* put the process in background and detach it from its TTY */
 +    if (ffserver_daemon) {
 +        int pid;
 +
 +        pid = fork();
 +        if (pid < 0) {
 +            perror("fork");
 +            exit(1);
 +        } else if (pid > 0) {
 +            /* parent : exit */
 +            exit(0);
 +        } else {
 +            /* child */
 +            setsid();
 +            close(0);
 +            open("/dev/null", O_RDWR);
 +            if (strcmp(logfilename, "-") != 0) {
 +                close(1);
 +                dup(0);
 +            }
 +            close(2);
 +            dup(0);
 +        }
 +    }
 +
 +    /* signal init */
 +    signal(SIGPIPE, SIG_IGN);
 +
 +    if (ffserver_daemon)
 +        chdir("/");
 +
 +    if (http_server() < 0) {
 +        http_log("Could not start server\n");
 +        exit(1);
 +    }
 +
 +    return 0;
 +}
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
Simple merge
@@@ -77,8 -75,8 +77,9 @@@ OBJS-$(ARCH_ARM) += arm/cpu.
  OBJS-$(ARCH_PPC) += ppc/cpu.o
  OBJS-$(ARCH_X86) += x86/cpu.o
  
- TESTPROGS = adler32 aes avstring base64 cpu crc des eval file lfg lls \
++
+ TESTPROGS = adler32 aes avstring base64 cpu crc des eval file fifo lfg lls \
 -            md5 opt parseutils rational sha tree
 +            md5 opt pca parseutils rational sha tree
  TESTPROGS-$(HAVE_LZO1X_999_COMPRESS) += lzo
  
  DIRS = arm bfin sh4 x86
@@@ -40,7 -40,7 +40,7 @@@
  #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
  
  #define LIBAVUTIL_VERSION_MAJOR 51
- #define LIBAVUTIL_VERSION_MINOR 13
 -#define LIBAVUTIL_VERSION_MINOR  9
++#define LIBAVUTIL_VERSION_MINOR 14
  #define LIBAVUTIL_VERSION_MICRO  0
  
  #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
Simple merge
Simple merge
Simple merge