ffmpeg: use new avformat_open_* API.
[ffmpeg.git] / ffmpeg.c
1 /*
2  * ffmpeg main
3  * Copyright (c) 2000-2003 Fabrice Bellard
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48
49 #include "libavformat/ffm.h" // not public API
50
51 #if CONFIG_AVFILTER
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
57 #endif
58
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
61 #include <sys/time.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
64 #include <windows.h>
65 #endif
66 #if HAVE_GETPROCESSMEMORYINFO
67 #include <windows.h>
68 #include <psapi.h>
69 #endif
70
71 #if HAVE_SYS_SELECT_H
72 #include <sys/select.h>
73 #endif
74
75 #if HAVE_TERMIOS_H
76 #include <fcntl.h>
77 #include <sys/ioctl.h>
78 #include <sys/time.h>
79 #include <termios.h>
80 #elif HAVE_KBHIT
81 #include <conio.h>
82 #endif
83 #include <time.h>
84
85 #include "cmdutils.h"
86
87 #include "libavutil/avassert.h"
88
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
91
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94     int file_index;
95     int stream_index;
96     int sync_file_index;
97     int sync_stream_index;
98 } StreamMap;
99
100 /**
101  * select an input file for an output file
102  */
103 typedef struct MetadataMap {
104     int  file;      //< file index
105     char type;      //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
106     int  index;     //< stream/chapter/program number
107 } MetadataMap;
108
109 typedef struct ChapterMap {
110     int in_file;
111     int out_file;
112 } ChapterMap;
113
114 static const OptionDef options[];
115
116 #define MAX_FILES 100
117 #define MAX_STREAMS 1024    /* arbitrary sanity check value */
118 static const char *last_asked_format = NULL;
119 static double *ts_scale;
120 static int  nb_ts_scale;
121
122 static AVFormatContext *output_files[MAX_FILES];
123 static AVDictionary *output_opts[MAX_FILES];
124 static int nb_output_files = 0;
125
126 static StreamMap *stream_maps = NULL;
127 static int nb_stream_maps;
128
129 /* first item specifies output metadata, second is input */
130 static MetadataMap (*meta_data_maps)[2] = NULL;
131 static int nb_meta_data_maps;
132 static int metadata_global_autocopy   = 1;
133 static int metadata_streams_autocopy  = 1;
134 static int metadata_chapters_autocopy = 1;
135
136 static ChapterMap *chapter_maps = NULL;
137 static int nb_chapter_maps;
138
139 /* indexed by output file stream index */
140 static int *streamid_map = NULL;
141 static int nb_streamid_map = 0;
142
143 static int frame_width  = 0;
144 static int frame_height = 0;
145 static float frame_aspect_ratio = 0;
146 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
147 static int frame_bits_per_raw_sample = 0;
148 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
149 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
150 static AVRational frame_rate;
151 static float video_qscale = 0;
152 static uint16_t *intra_matrix = NULL;
153 static uint16_t *inter_matrix = NULL;
154 static const char *video_rc_override_string=NULL;
155 static int video_disable = 0;
156 static int video_discard = 0;
157 static char *video_codec_name = NULL;
158 static unsigned int video_codec_tag = 0;
159 static char *video_language = NULL;
160 static int same_quality = 0;
161 static int do_deinterlace = 0;
162 static int top_field_first = -1;
163 static int me_threshold = 0;
164 static int intra_dc_precision = 8;
165 static int loop_input = 0;
166 static int loop_output = AVFMT_NOOUTPUTLOOP;
167 static int qp_hist = 0;
168 #if CONFIG_AVFILTER
169 static char *vfilters = NULL;
170 #endif
171
172 static int intra_only = 0;
173 static int audio_sample_rate = 0;
174 #define QSCALE_NONE -99999
175 static float audio_qscale = QSCALE_NONE;
176 static int audio_disable = 0;
177 static int audio_channels = 0;
178 static char  *audio_codec_name = NULL;
179 static unsigned int audio_codec_tag = 0;
180 static char *audio_language = NULL;
181
182 static int subtitle_disable = 0;
183 static char *subtitle_codec_name = NULL;
184 static char *subtitle_language = NULL;
185 static unsigned int subtitle_codec_tag = 0;
186
187 static int data_disable = 0;
188 static char *data_codec_name = NULL;
189 static unsigned int data_codec_tag = 0;
190
191 static float mux_preload= 0.5;
192 static float mux_max_delay= 0.7;
193
194 static int64_t recording_time = INT64_MAX;
195 static int64_t start_time = 0;
196 static int64_t input_ts_offset = 0;
197 static int file_overwrite = 0;
198 static AVDictionary *metadata;
199 static int do_benchmark = 0;
200 static int do_hex_dump = 0;
201 static int do_pkt_dump = 0;
202 static int do_psnr = 0;
203 static int do_pass = 0;
204 static const char *pass_logfilename_prefix;
205 static int audio_stream_copy = 0;
206 static int video_stream_copy = 0;
207 static int subtitle_stream_copy = 0;
208 static int data_stream_copy = 0;
209 static int video_sync_method= -1;
210 static int audio_sync_method= 0;
211 static float audio_drift_threshold= 0.1;
212 static int copy_ts= 0;
213 static int copy_tb= 0;
214 static int opt_shortest = 0;
215 static char *vstats_filename;
216 static FILE *vstats_file;
217 static int opt_programid = 0;
218 static int copy_initial_nonkeyframes = 0;
219
220 static int rate_emu = 0;
221
222 static int  video_channel = 0;
223 static char *video_standard;
224
225 static int audio_volume = 256;
226
227 static int exit_on_error = 0;
228 static int using_stdin = 0;
229 static int verbose = 1;
230 static int run_as_daemon  = 0;
231 static int thread_count= 1;
232 static int q_pressed = 0;
233 static int64_t video_size = 0;
234 static int64_t audio_size = 0;
235 static int64_t extra_size = 0;
236 static int nb_frames_dup = 0;
237 static int nb_frames_drop = 0;
238 static int input_sync;
239 static uint64_t limit_filesize = 0;
240 static int force_fps = 0;
241 static char *forced_key_frames = NULL;
242
243 static float dts_delta_threshold = 10;
244
245 static int64_t timer_start;
246
247 static uint8_t *audio_buf;
248 static uint8_t *audio_out;
249 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
250
251 static short *samples;
252
253 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
254 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
255 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
256
257 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
258
259 struct InputStream;
260
261 typedef struct OutputStream {
262     int file_index;          /* file index */
263     int index;               /* stream index in the output file */
264     int source_index;        /* InputStream index */
265     AVStream *st;            /* stream in the output file */
266     int encoding_needed;     /* true if encoding needed for this stream */
267     int frame_number;
268     /* input pts and corresponding output pts
269        for A/V sync */
270     //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
271     struct InputStream *sync_ist; /* input stream to sync against */
272     int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
273     AVBitStreamFilterContext *bitstream_filters;
274     AVCodec *enc;
275
276     /* video only */
277     int video_resample;
278     AVFrame resample_frame;              /* temporary frame for image resampling */
279     struct SwsContext *img_resample_ctx; /* for image resampling */
280     int resample_height;
281     int resample_width;
282     int resample_pix_fmt;
283     AVRational frame_rate;
284
285     float frame_aspect_ratio;
286
287     /* forced key frames */
288     int64_t *forced_kf_pts;
289     int forced_kf_count;
290     int forced_kf_index;
291
292     /* audio only */
293     int audio_resample;
294     ReSampleContext *resample; /* for audio resampling */
295     int resample_sample_fmt;
296     int resample_channels;
297     int resample_sample_rate;
298     int reformat_pair;
299     AVAudioConvert *reformat_ctx;
300     AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
301     FILE *logfile;
302
303 #if CONFIG_AVFILTER
304     AVFilterContext *output_video_filter;
305     AVFilterContext *input_video_filter;
306     AVFilterBufferRef *picref;
307     char *avfilter;
308     AVFilterGraph *graph;
309 #endif
310
311    int sws_flags;
312 } OutputStream;
313
314 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
315 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
316
317 typedef struct InputStream {
318     int file_index;
319     AVStream *st;
320     int discard;             /* true if stream data should be discarded */
321     int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
322     AVCodec *dec;
323
324     int64_t       start;     /* time when read started */
325     int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
326                                 is not defined */
327     int64_t       pts;       /* current pts */
328     double ts_scale;
329     int is_start;            /* is 1 at the start and after a discontinuity */
330     int showed_multi_packet_warning;
331     int is_past_recording_time;
332 } InputStream;
333
334 typedef struct InputFile {
335     AVFormatContext *ctx;
336     int eof_reached;      /* true if eof reached */
337     int ist_index;        /* index of first stream in ist_table */
338     int buffer_size;      /* current total buffer size */
339     int64_t ts_offset;
340 } InputFile;
341
342 #if HAVE_TERMIOS_H
343
344 /* init terminal so that we can grab keys */
345 static struct termios oldtty;
346 #endif
347
348 static InputStream *input_streams = NULL;
349 static int         nb_input_streams = 0;
350 static InputFile   *input_files   = NULL;
351 static int         nb_input_files   = 0;
352
353 #if CONFIG_AVFILTER
354
355 static int configure_video_filters(InputStream *ist, OutputStream *ost)
356 {
357     AVFilterContext *last_filter, *filter;
358     /** filter graph containing all filters including input & output */
359     AVCodecContext *codec = ost->st->codec;
360     AVCodecContext *icodec = ist->st->codec;
361     enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
362     AVRational sample_aspect_ratio;
363     char args[255];
364     int ret;
365
366     ost->graph = avfilter_graph_alloc();
367
368     if (ist->st->sample_aspect_ratio.num){
369         sample_aspect_ratio = ist->st->sample_aspect_ratio;
370     }else
371         sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
372
373     snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
374              ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
375              sample_aspect_ratio.num, sample_aspect_ratio.den);
376
377     ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
378                                        "src", args, NULL, ost->graph);
379     if (ret < 0)
380         return ret;
381     ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
382                                        "out", NULL, pix_fmts, ost->graph);
383     if (ret < 0)
384         return ret;
385     last_filter = ost->input_video_filter;
386
387     if (codec->width  != icodec->width || codec->height != icodec->height) {
388         snprintf(args, 255, "%d:%d:flags=0x%X",
389                  codec->width,
390                  codec->height,
391                  ost->sws_flags);
392         if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
393                                                 NULL, args, NULL, ost->graph)) < 0)
394             return ret;
395         if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
396             return ret;
397         last_filter = filter;
398     }
399
400     snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
401     ost->graph->scale_sws_opts = av_strdup(args);
402
403     if (ost->avfilter) {
404         AVFilterInOut *outputs = avfilter_inout_alloc();
405         AVFilterInOut *inputs  = avfilter_inout_alloc();
406
407         outputs->name    = av_strdup("in");
408         outputs->filter_ctx = last_filter;
409         outputs->pad_idx = 0;
410         outputs->next    = NULL;
411
412         inputs->name    = av_strdup("out");
413         inputs->filter_ctx = ost->output_video_filter;
414         inputs->pad_idx = 0;
415         inputs->next    = NULL;
416
417         if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
418             return ret;
419         av_freep(&ost->avfilter);
420     } else {
421         if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
422             return ret;
423     }
424
425     if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
426         return ret;
427
428     codec->width  = ost->output_video_filter->inputs[0]->w;
429     codec->height = ost->output_video_filter->inputs[0]->h;
430     codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
431         ost->frame_aspect_ratio ? // overriden by the -aspect cli option
432         av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
433         ost->output_video_filter->inputs[0]->sample_aspect_ratio;
434
435     return 0;
436 }
437 #endif /* CONFIG_AVFILTER */
438
439 static void term_exit(void)
440 {
441     av_log(NULL, AV_LOG_QUIET, "%s", "");
442 #if HAVE_TERMIOS_H
443     if(!run_as_daemon)
444         tcsetattr (0, TCSANOW, &oldtty);
445 #endif
446 }
447
448 static volatile int received_sigterm = 0;
449
450 static void
451 sigterm_handler(int sig)
452 {
453     received_sigterm = sig;
454     q_pressed++;
455     term_exit();
456 }
457
458 static void term_init(void)
459 {
460 #if HAVE_TERMIOS_H
461     if(!run_as_daemon){
462     struct termios tty;
463
464     tcgetattr (0, &tty);
465     oldtty = tty;
466     atexit(term_exit);
467
468     tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
469                           |INLCR|IGNCR|ICRNL|IXON);
470     tty.c_oflag |= OPOST;
471     tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
472     tty.c_cflag &= ~(CSIZE|PARENB);
473     tty.c_cflag |= CS8;
474     tty.c_cc[VMIN] = 1;
475     tty.c_cc[VTIME] = 0;
476
477     tcsetattr (0, TCSANOW, &tty);
478     signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
479     }
480 #endif
481
482     signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
483     signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
484 #ifdef SIGXCPU
485     signal(SIGXCPU, sigterm_handler);
486 #endif
487 }
488
489 /* read a key without blocking */
490 static int read_key(void)
491 {
492 #if HAVE_TERMIOS_H
493     int n = 1;
494     unsigned char ch;
495     struct timeval tv;
496     fd_set rfds;
497
498     if(run_as_daemon)
499         return -1;
500
501     FD_ZERO(&rfds);
502     FD_SET(0, &rfds);
503     tv.tv_sec = 0;
504     tv.tv_usec = 0;
505     n = select(1, &rfds, NULL, NULL, &tv);
506     if (n > 0) {
507         n = read(0, &ch, 1);
508         if (n == 1)
509             return ch;
510
511         return n;
512     }
513 #elif HAVE_KBHIT
514     if(kbhit())
515         return(getch());
516 #endif
517     return -1;
518 }
519
520 static int decode_interrupt_cb(void)
521 {
522     q_pressed += read_key() == 'q';
523     return q_pressed > 1;
524 }
525
526 static int ffmpeg_exit(int ret)
527 {
528     int i;
529
530     /* close files */
531     for(i=0;i<nb_output_files;i++) {
532         AVFormatContext *s = output_files[i];
533         if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
534             avio_close(s->pb);
535         avformat_free_context(s);
536         av_free(output_streams_for_file[i]);
537         av_dict_free(&output_opts[i]);
538     }
539     for(i=0;i<nb_input_files;i++) {
540         av_close_input_file(input_files[i].ctx);
541     }
542
543     av_free(intra_matrix);
544     av_free(inter_matrix);
545
546     if (vstats_file)
547         fclose(vstats_file);
548     av_free(vstats_filename);
549
550     av_free(streamid_map);
551     av_free(stream_maps);
552     av_free(meta_data_maps);
553
554     av_freep(&input_streams);
555     av_freep(&input_files);
556
557     av_free(video_codec_name);
558     av_free(audio_codec_name);
559     av_free(subtitle_codec_name);
560     av_free(data_codec_name);
561
562     av_free(video_standard);
563
564     uninit_opts();
565     av_free(audio_buf);
566     av_free(audio_out);
567     allocated_audio_buf_size= allocated_audio_out_size= 0;
568     av_free(samples);
569
570 #if CONFIG_AVFILTER
571     avfilter_uninit();
572 #endif
573
574     if (received_sigterm) {
575         fprintf(stderr,
576             "Received signal %d: terminating.\n",
577             (int) received_sigterm);
578         exit (255);
579     }
580
581     exit(ret); /* not all OS-es handle main() return value */
582     return ret;
583 }
584
585 static void assert_avoptions(AVDictionary *m)
586 {
587     AVDictionaryEntry *t;
588     if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
589         av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
590         ffmpeg_exit(1);
591     }
592 }
593
594 /* similar to ff_dynarray_add() and av_fast_realloc() */
595 static void *grow_array(void *array, int elem_size, int *size, int new_size)
596 {
597     if (new_size >= INT_MAX / elem_size) {
598         fprintf(stderr, "Array too big.\n");
599         ffmpeg_exit(1);
600     }
601     if (*size < new_size) {
602         uint8_t *tmp = av_realloc(array, new_size*elem_size);
603         if (!tmp) {
604             fprintf(stderr, "Could not alloc buffer.\n");
605             ffmpeg_exit(1);
606         }
607         memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
608         *size = new_size;
609         return tmp;
610     }
611     return array;
612 }
613
614 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
615 {
616     if(codec && codec->sample_fmts){
617         const enum AVSampleFormat *p= codec->sample_fmts;
618         for(; *p!=-1; p++){
619             if(*p == st->codec->sample_fmt)
620                 break;
621         }
622         if (*p == -1) {
623             if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
624                 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
625             av_log(NULL, AV_LOG_WARNING,
626                    "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
627                    av_get_sample_fmt_name(st->codec->sample_fmt),
628                    codec->name,
629                    av_get_sample_fmt_name(codec->sample_fmts[0]));
630             st->codec->sample_fmt = codec->sample_fmts[0];
631         }
632     }
633 }
634
635 static void choose_sample_rate(AVStream *st, AVCodec *codec)
636 {
637     if(codec && codec->supported_samplerates){
638         const int *p= codec->supported_samplerates;
639         int best=0;
640         int best_dist=INT_MAX;
641         for(; *p; p++){
642             int dist= abs(st->codec->sample_rate - *p);
643             if(dist < best_dist){
644                 best_dist= dist;
645                 best= *p;
646             }
647         }
648         if(best_dist){
649             av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
650         }
651         st->codec->sample_rate= best;
652     }
653 }
654
655 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
656 {
657     if(codec && codec->pix_fmts){
658         const enum PixelFormat *p= codec->pix_fmts;
659         if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
660             if(st->codec->codec_id==CODEC_ID_MJPEG){
661                 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
662             }else if(st->codec->codec_id==CODEC_ID_LJPEG){
663                 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
664             }
665         }
666         for(; *p!=-1; p++){
667             if(*p == st->codec->pix_fmt)
668                 break;
669         }
670         if (*p == -1) {
671             if(st->codec->pix_fmt != PIX_FMT_NONE)
672                 av_log(NULL, AV_LOG_WARNING,
673                         "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
674                         av_pix_fmt_descriptors[st->codec->pix_fmt].name,
675                         codec->name,
676                         av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
677             st->codec->pix_fmt = codec->pix_fmts[0];
678         }
679     }
680 }
681
682 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
683 {
684     OutputStream *ost;
685     AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
686     int idx      = oc->nb_streams - 1;
687
688     if (!st) {
689         av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
690         ffmpeg_exit(1);
691     }
692
693     output_streams_for_file[file_idx] =
694         grow_array(output_streams_for_file[file_idx],
695                    sizeof(*output_streams_for_file[file_idx]),
696                    &nb_output_streams_for_file[file_idx],
697                    oc->nb_streams);
698     ost = output_streams_for_file[file_idx][idx] =
699         av_mallocz(sizeof(OutputStream));
700     if (!ost) {
701         fprintf(stderr, "Could not alloc output stream\n");
702         ffmpeg_exit(1);
703     }
704     ost->file_index = file_idx;
705     ost->index = idx;
706     ost->st    = st;
707     ost->enc   = codec;
708
709     avcodec_get_context_defaults3(st->codec, codec);
710
711     ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
712     return ost;
713 }
714
715 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
716 {
717     int i, err;
718     AVFormatContext *ic = NULL;
719     int nopts = 0;
720
721     err = avformat_open_input(&ic, filename, NULL, NULL);
722     if (err < 0)
723         return err;
724     /* copy stream format */
725     for(i=0;i<ic->nb_streams;i++) {
726         AVStream *st;
727         OutputStream *ost;
728         AVCodec *codec;
729
730         codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
731         ost   = new_output_stream(s, nb_output_files, codec);
732         st    = ost->st;
733
734         // FIXME: a more elegant solution is needed
735         memcpy(st, ic->streams[i], sizeof(AVStream));
736         st->info = av_malloc(sizeof(*st->info));
737         memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
738         avcodec_copy_context(st->codec, ic->streams[i]->codec);
739
740         if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
741             if (audio_stream_copy) {
742                 st->stream_copy = 1;
743             } else
744                 choose_sample_fmt(st, codec);
745         } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
746             if (video_stream_copy) {
747                 st->stream_copy = 1;
748             } else
749                 choose_pixel_fmt(st, codec);
750         }
751
752         if(st->codec->flags & CODEC_FLAG_BITEXACT)
753             nopts = 1;
754     }
755
756     av_close_input_file(ic);
757     return 0;
758 }
759
760 static double
761 get_sync_ipts(const OutputStream *ost)
762 {
763     const InputStream *ist = ost->sync_ist;
764     return (double)(ist->pts - start_time)/AV_TIME_BASE;
765 }
766
767 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
768     int ret;
769
770     while(bsfc){
771         AVPacket new_pkt= *pkt;
772         int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
773                                           &new_pkt.data, &new_pkt.size,
774                                           pkt->data, pkt->size,
775                                           pkt->flags & AV_PKT_FLAG_KEY);
776         if(a>0){
777             av_free_packet(pkt);
778             new_pkt.destruct= av_destruct_packet;
779         } else if(a<0){
780             fprintf(stderr, "%s failed for stream %d, codec %s",
781                     bsfc->filter->name, pkt->stream_index,
782                     avctx->codec ? avctx->codec->name : "copy");
783             print_error("", a);
784             if (exit_on_error)
785                 ffmpeg_exit(1);
786         }
787         *pkt= new_pkt;
788
789         bsfc= bsfc->next;
790     }
791
792     ret= av_interleaved_write_frame(s, pkt);
793     if(ret < 0){
794         print_error("av_interleaved_write_frame()", ret);
795         ffmpeg_exit(1);
796     }
797 }
798
799 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
800
801 static void do_audio_out(AVFormatContext *s,
802                          OutputStream *ost,
803                          InputStream *ist,
804                          unsigned char *buf, int size)
805 {
806     uint8_t *buftmp;
807     int64_t audio_out_size, audio_buf_size;
808     int64_t allocated_for_size= size;
809
810     int size_out, frame_bytes, ret, resample_changed;
811     AVCodecContext *enc= ost->st->codec;
812     AVCodecContext *dec= ist->st->codec;
813     int osize = av_get_bytes_per_sample(enc->sample_fmt);
814     int isize = av_get_bytes_per_sample(dec->sample_fmt);
815     const int coded_bps = av_get_bits_per_sample(enc->codec->id);
816
817 need_realloc:
818     audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
819     audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
820     audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
821     audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
822     audio_buf_size*= osize*enc->channels;
823
824     audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
825     if(coded_bps > 8*osize)
826         audio_out_size= audio_out_size * coded_bps / (8*osize);
827     audio_out_size += FF_MIN_BUFFER_SIZE;
828
829     if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
830         fprintf(stderr, "Buffer sizes too large\n");
831         ffmpeg_exit(1);
832     }
833
834     av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
835     av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
836     if (!audio_buf || !audio_out){
837         fprintf(stderr, "Out of memory in do_audio_out\n");
838         ffmpeg_exit(1);
839     }
840
841     if (enc->channels != dec->channels)
842         ost->audio_resample = 1;
843
844     resample_changed = ost->resample_sample_fmt  != dec->sample_fmt ||
845                        ost->resample_channels    != dec->channels   ||
846                        ost->resample_sample_rate != dec->sample_rate;
847
848     if ((ost->audio_resample && !ost->resample) || resample_changed) {
849         if (resample_changed) {
850             av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
851                    ist->file_index, ist->st->index,
852                    ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
853                    dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
854             ost->resample_sample_fmt  = dec->sample_fmt;
855             ost->resample_channels    = dec->channels;
856             ost->resample_sample_rate = dec->sample_rate;
857             if (ost->resample)
858                 audio_resample_close(ost->resample);
859         }
860         /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
861         if (audio_sync_method <= 1 &&
862             ost->resample_sample_fmt  == enc->sample_fmt &&
863             ost->resample_channels    == enc->channels   &&
864             ost->resample_sample_rate == enc->sample_rate) {
865             ost->resample = NULL;
866             ost->audio_resample = 0;
867         } else {
868             if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
869                 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
870             ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
871                                                    enc->sample_rate, dec->sample_rate,
872                                                    enc->sample_fmt,  dec->sample_fmt,
873                                                    16, 10, 0, 0.8);
874             if (!ost->resample) {
875                 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
876                         dec->channels, dec->sample_rate,
877                         enc->channels, enc->sample_rate);
878                 ffmpeg_exit(1);
879             }
880         }
881     }
882
883 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
884     if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
885         MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
886         if (ost->reformat_ctx)
887             av_audio_convert_free(ost->reformat_ctx);
888         ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
889                                                    dec->sample_fmt, 1, NULL, 0);
890         if (!ost->reformat_ctx) {
891             fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
892                 av_get_sample_fmt_name(dec->sample_fmt),
893                 av_get_sample_fmt_name(enc->sample_fmt));
894             ffmpeg_exit(1);
895         }
896         ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
897     }
898
899     if(audio_sync_method){
900         double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
901                 - av_fifo_size(ost->fifo)/(enc->channels * 2);
902         double idelta= delta*dec->sample_rate / enc->sample_rate;
903         int byte_delta= ((int)idelta)*2*dec->channels;
904
905         //FIXME resample delay
906         if(fabs(delta) > 50){
907             if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
908                 if(byte_delta < 0){
909                     byte_delta= FFMAX(byte_delta, -size);
910                     size += byte_delta;
911                     buf  -= byte_delta;
912                     if(verbose > 2)
913                         fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
914                     if(!size)
915                         return;
916                     ist->is_start=0;
917                 }else{
918                     static uint8_t *input_tmp= NULL;
919                     input_tmp= av_realloc(input_tmp, byte_delta + size);
920
921                     if(byte_delta > allocated_for_size - size){
922                         allocated_for_size= byte_delta + (int64_t)size;
923                         goto need_realloc;
924                     }
925                     ist->is_start=0;
926
927                     memset(input_tmp, 0, byte_delta);
928                     memcpy(input_tmp + byte_delta, buf, size);
929                     buf= input_tmp;
930                     size += byte_delta;
931                     if(verbose > 2)
932                         fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
933                 }
934             }else if(audio_sync_method>1){
935                 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
936                 av_assert0(ost->audio_resample);
937                 if(verbose > 2)
938                     fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
939 //                fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
940                 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
941             }
942         }
943     }else
944         ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
945                         - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
946
947     if (ost->audio_resample) {
948         buftmp = audio_buf;
949         size_out = audio_resample(ost->resample,
950                                   (short *)buftmp, (short *)buf,
951                                   size / (dec->channels * isize));
952         size_out = size_out * enc->channels * osize;
953     } else {
954         buftmp = buf;
955         size_out = size;
956     }
957
958     if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
959         const void *ibuf[6]= {buftmp};
960         void *obuf[6]= {audio_buf};
961         int istride[6]= {isize};
962         int ostride[6]= {osize};
963         int len= size_out/istride[0];
964         if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
965             printf("av_audio_convert() failed\n");
966             if (exit_on_error)
967                 ffmpeg_exit(1);
968             return;
969         }
970         buftmp = audio_buf;
971         size_out = len*osize;
972     }
973
974     /* now encode as many frames as possible */
975     if (enc->frame_size > 1) {
976         /* output resampled raw samples */
977         if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
978             fprintf(stderr, "av_fifo_realloc2() failed\n");
979             ffmpeg_exit(1);
980         }
981         av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
982
983         frame_bytes = enc->frame_size * osize * enc->channels;
984
985         while (av_fifo_size(ost->fifo) >= frame_bytes) {
986             AVPacket pkt;
987             av_init_packet(&pkt);
988
989             av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
990
991             //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
992
993             ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
994                                        (short *)audio_buf);
995             if (ret < 0) {
996                 fprintf(stderr, "Audio encoding failed\n");
997                 ffmpeg_exit(1);
998             }
999             audio_size += ret;
1000             pkt.stream_index= ost->index;
1001             pkt.data= audio_out;
1002             pkt.size= ret;
1003             if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1004                 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1005             pkt.flags |= AV_PKT_FLAG_KEY;
1006             write_frame(s, &pkt, enc, ost->bitstream_filters);
1007
1008             ost->sync_opts += enc->frame_size;
1009         }
1010     } else {
1011         AVPacket pkt;
1012         av_init_packet(&pkt);
1013
1014         ost->sync_opts += size_out / (osize * enc->channels);
1015
1016         /* output a pcm frame */
1017         /* determine the size of the coded buffer */
1018         size_out /= osize;
1019         if (coded_bps)
1020             size_out = size_out*coded_bps/8;
1021
1022         if(size_out > audio_out_size){
1023             fprintf(stderr, "Internal error, buffer size too small\n");
1024             ffmpeg_exit(1);
1025         }
1026
1027         //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1028         ret = avcodec_encode_audio(enc, audio_out, size_out,
1029                                    (short *)buftmp);
1030         if (ret < 0) {
1031             fprintf(stderr, "Audio encoding failed\n");
1032             ffmpeg_exit(1);
1033         }
1034         audio_size += ret;
1035         pkt.stream_index= ost->index;
1036         pkt.data= audio_out;
1037         pkt.size= ret;
1038         if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1039             pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1040         pkt.flags |= AV_PKT_FLAG_KEY;
1041         write_frame(s, &pkt, enc, ost->bitstream_filters);
1042     }
1043 }
1044
1045 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1046 {
1047     AVCodecContext *dec;
1048     AVPicture *picture2;
1049     AVPicture picture_tmp;
1050     uint8_t *buf = 0;
1051
1052     dec = ist->st->codec;
1053
1054     /* deinterlace : must be done before any resize */
1055     if (do_deinterlace) {
1056         int size;
1057
1058         /* create temporary picture */
1059         size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1060         buf = av_malloc(size);
1061         if (!buf)
1062             return;
1063
1064         picture2 = &picture_tmp;
1065         avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1066
1067         if(avpicture_deinterlace(picture2, picture,
1068                                  dec->pix_fmt, dec->width, dec->height) < 0) {
1069             /* if error, do not deinterlace */
1070             fprintf(stderr, "Deinterlacing failed\n");
1071             av_free(buf);
1072             buf = NULL;
1073             picture2 = picture;
1074         }
1075     } else {
1076         picture2 = picture;
1077     }
1078
1079     if (picture != picture2)
1080         *picture = *picture2;
1081     *bufp = buf;
1082 }
1083
1084 /* we begin to correct av delay at this threshold */
1085 #define AV_DELAY_MAX 0.100
1086
1087 static void do_subtitle_out(AVFormatContext *s,
1088                             OutputStream *ost,
1089                             InputStream *ist,
1090                             AVSubtitle *sub,
1091                             int64_t pts)
1092 {
1093     static uint8_t *subtitle_out = NULL;
1094     int subtitle_out_max_size = 1024 * 1024;
1095     int subtitle_out_size, nb, i;
1096     AVCodecContext *enc;
1097     AVPacket pkt;
1098
1099     if (pts == AV_NOPTS_VALUE) {
1100         fprintf(stderr, "Subtitle packets must have a pts\n");
1101         if (exit_on_error)
1102             ffmpeg_exit(1);
1103         return;
1104     }
1105
1106     enc = ost->st->codec;
1107
1108     if (!subtitle_out) {
1109         subtitle_out = av_malloc(subtitle_out_max_size);
1110     }
1111
1112     /* Note: DVB subtitle need one packet to draw them and one other
1113        packet to clear them */
1114     /* XXX: signal it in the codec context ? */
1115     if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1116         nb = 2;
1117     else
1118         nb = 1;
1119
1120     for(i = 0; i < nb; i++) {
1121         sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1122         // start_display_time is required to be 0
1123         sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1124         sub->end_display_time -= sub->start_display_time;
1125         sub->start_display_time = 0;
1126         subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1127                                                     subtitle_out_max_size, sub);
1128         if (subtitle_out_size < 0) {
1129             fprintf(stderr, "Subtitle encoding failed\n");
1130             ffmpeg_exit(1);
1131         }
1132
1133         av_init_packet(&pkt);
1134         pkt.stream_index = ost->index;
1135         pkt.data = subtitle_out;
1136         pkt.size = subtitle_out_size;
1137         pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1138         if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1139             /* XXX: the pts correction is handled here. Maybe handling
1140                it in the codec would be better */
1141             if (i == 0)
1142                 pkt.pts += 90 * sub->start_display_time;
1143             else
1144                 pkt.pts += 90 * sub->end_display_time;
1145         }
1146         write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1147     }
1148 }
1149
1150 static int bit_buffer_size= 1024*256;
1151 static uint8_t *bit_buffer= NULL;
1152
1153 static void do_video_out(AVFormatContext *s,
1154                          OutputStream *ost,
1155                          InputStream *ist,
1156                          AVFrame *in_picture,
1157                          int *frame_size, float quality)
1158 {
1159     int nb_frames, i, ret, av_unused resample_changed;
1160     AVFrame *final_picture, *formatted_picture;
1161     AVCodecContext *enc, *dec;
1162     double sync_ipts;
1163
1164     enc = ost->st->codec;
1165     dec = ist->st->codec;
1166
1167     sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1168
1169     /* by default, we output a single frame */
1170     nb_frames = 1;
1171
1172     *frame_size = 0;
1173
1174     if(video_sync_method){
1175         double vdelta = sync_ipts - ost->sync_opts;
1176         //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1177         if (vdelta < -1.1)
1178             nb_frames = 0;
1179         else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1180             if(vdelta<=-0.6){
1181                 nb_frames=0;
1182             }else if(vdelta>0.6)
1183                 ost->sync_opts= lrintf(sync_ipts);
1184         }else if (vdelta > 1.1)
1185             nb_frames = lrintf(vdelta);
1186 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1187         if (nb_frames == 0){
1188             ++nb_frames_drop;
1189             if (verbose>2)
1190                 fprintf(stderr, "*** drop!\n");
1191         }else if (nb_frames > 1) {
1192             nb_frames_dup += nb_frames - 1;
1193             if (verbose>2)
1194                 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1195         }
1196     }else
1197         ost->sync_opts= lrintf(sync_ipts);
1198
1199     nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1200     if (nb_frames <= 0)
1201         return;
1202
1203     formatted_picture = in_picture;
1204     final_picture = formatted_picture;
1205
1206 #if !CONFIG_AVFILTER
1207     resample_changed = ost->resample_width   != dec->width  ||
1208                        ost->resample_height  != dec->height ||
1209                        ost->resample_pix_fmt != dec->pix_fmt;
1210
1211     if (resample_changed) {
1212         av_log(NULL, AV_LOG_INFO,
1213                "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1214                ist->file_index, ist->st->index,
1215                ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1216                dec->width         , dec->height         , av_get_pix_fmt_name(dec->pix_fmt));
1217         ost->resample_width   = dec->width;
1218         ost->resample_height  = dec->height;
1219         ost->resample_pix_fmt = dec->pix_fmt;
1220     }
1221
1222     ost->video_resample = dec->width   != enc->width  ||
1223                           dec->height  != enc->height ||
1224                           dec->pix_fmt != enc->pix_fmt;
1225
1226     if (ost->video_resample) {
1227         final_picture = &ost->resample_frame;
1228         if (!ost->img_resample_ctx || resample_changed) {
1229             /* initialize the destination picture */
1230             if (!ost->resample_frame.data[0]) {
1231                 avcodec_get_frame_defaults(&ost->resample_frame);
1232                 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1233                                     enc->width, enc->height)) {
1234                     fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1235                     ffmpeg_exit(1);
1236                 }
1237             }
1238             /* initialize a new scaler context */
1239             sws_freeContext(ost->img_resample_ctx);
1240             ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1241                                                    enc->width, enc->height, enc->pix_fmt,
1242                                                    ost->sws_flags, NULL, NULL, NULL);
1243             if (ost->img_resample_ctx == NULL) {
1244                 fprintf(stderr, "Cannot get resampling context\n");
1245                 ffmpeg_exit(1);
1246             }
1247         }
1248         sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1249               0, ost->resample_height, final_picture->data, final_picture->linesize);
1250     }
1251 #endif
1252
1253     /* duplicates frame if needed */
1254     for(i=0;i<nb_frames;i++) {
1255         AVPacket pkt;
1256         av_init_packet(&pkt);
1257         pkt.stream_index= ost->index;
1258
1259         if (s->oformat->flags & AVFMT_RAWPICTURE) {
1260             /* raw pictures are written as AVPicture structure to
1261                avoid any copies. We support temorarily the older
1262                method. */
1263             AVFrame* old_frame = enc->coded_frame;
1264             enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1265             pkt.data= (uint8_t *)final_picture;
1266             pkt.size=  sizeof(AVPicture);
1267             pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1268             pkt.flags |= AV_PKT_FLAG_KEY;
1269
1270             write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1271             enc->coded_frame = old_frame;
1272         } else {
1273             AVFrame big_picture;
1274
1275             big_picture= *final_picture;
1276             /* better than nothing: use input picture interlaced
1277                settings */
1278             big_picture.interlaced_frame = in_picture->interlaced_frame;
1279             if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1280                 if(top_field_first == -1)
1281                     big_picture.top_field_first = in_picture->top_field_first;
1282                 else
1283                     big_picture.top_field_first = top_field_first;
1284             }
1285
1286             /* handles sameq here. This is not correct because it may
1287                not be a global option */
1288             big_picture.quality = quality;
1289             if(!me_threshold)
1290                 big_picture.pict_type = 0;
1291 //            big_picture.pts = AV_NOPTS_VALUE;
1292             big_picture.pts= ost->sync_opts;
1293 //            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1294 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1295             if (ost->forced_kf_index < ost->forced_kf_count &&
1296                 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1297                 big_picture.pict_type = AV_PICTURE_TYPE_I;
1298                 ost->forced_kf_index++;
1299             }
1300             ret = avcodec_encode_video(enc,
1301                                        bit_buffer, bit_buffer_size,
1302                                        &big_picture);
1303             if (ret < 0) {
1304                 fprintf(stderr, "Video encoding failed\n");
1305                 ffmpeg_exit(1);
1306             }
1307
1308             if(ret>0){
1309                 pkt.data= bit_buffer;
1310                 pkt.size= ret;
1311                 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1312                     pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1313 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1314    pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1315    pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1316
1317                 if(enc->coded_frame->key_frame)
1318                     pkt.flags |= AV_PKT_FLAG_KEY;
1319                 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1320                 *frame_size = ret;
1321                 video_size += ret;
1322                 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1323                 //        enc->frame_number-1, ret, enc->pict_type);
1324                 /* if two pass, output log */
1325                 if (ost->logfile && enc->stats_out) {
1326                     fprintf(ost->logfile, "%s", enc->stats_out);
1327                 }
1328             }
1329         }
1330         ost->sync_opts++;
1331         ost->frame_number++;
1332     }
1333 }
1334
1335 static double psnr(double d){
1336     return -10.0*log(d)/log(10.0);
1337 }
1338
1339 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1340                            int frame_size)
1341 {
1342     AVCodecContext *enc;
1343     int frame_number;
1344     double ti1, bitrate, avg_bitrate;
1345
1346     /* this is executed just the first time do_video_stats is called */
1347     if (!vstats_file) {
1348         vstats_file = fopen(vstats_filename, "w");
1349         if (!vstats_file) {
1350             perror("fopen");
1351             ffmpeg_exit(1);
1352         }
1353     }
1354
1355     enc = ost->st->codec;
1356     if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1357         frame_number = ost->frame_number;
1358         fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1359         if (enc->flags&CODEC_FLAG_PSNR)
1360             fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1361
1362         fprintf(vstats_file,"f_size= %6d ", frame_size);
1363         /* compute pts value */
1364         ti1 = ost->sync_opts * av_q2d(enc->time_base);
1365         if (ti1 < 0.01)
1366             ti1 = 0.01;
1367
1368         bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1369         avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1370         fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1371             (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1372         fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1373     }
1374 }
1375
1376 static void print_report(AVFormatContext **output_files,
1377                          OutputStream **ost_table, int nb_ostreams,
1378                          int is_last_report)
1379 {
1380     char buf[1024];
1381     OutputStream *ost;
1382     AVFormatContext *oc;
1383     int64_t total_size;
1384     AVCodecContext *enc;
1385     int frame_number, vid, i;
1386     double bitrate;
1387     int64_t pts = INT64_MAX;
1388     static int64_t last_time = -1;
1389     static int qp_histogram[52];
1390
1391     if (!is_last_report) {
1392         int64_t cur_time;
1393         /* display the report every 0.5 seconds */
1394         cur_time = av_gettime();
1395         if (last_time == -1) {
1396             last_time = cur_time;
1397             return;
1398         }
1399         if ((cur_time - last_time) < 500000)
1400             return;
1401         last_time = cur_time;
1402     }
1403
1404
1405     oc = output_files[0];
1406
1407     total_size = avio_size(oc->pb);
1408     if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1409         total_size= avio_tell(oc->pb);
1410
1411     buf[0] = '\0';
1412     vid = 0;
1413     for(i=0;i<nb_ostreams;i++) {
1414         float q = -1;
1415         ost = ost_table[i];
1416         enc = ost->st->codec;
1417         if (!ost->st->stream_copy && enc->coded_frame)
1418             q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1419         if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1420             snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1421         }
1422         if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1423             float t = (av_gettime()-timer_start) / 1000000.0;
1424
1425             frame_number = ost->frame_number;
1426             snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1427                      frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1428             if(is_last_report)
1429                 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1430             if(qp_hist){
1431                 int j;
1432                 int qp = lrintf(q);
1433                 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1434                     qp_histogram[qp]++;
1435                 for(j=0; j<32; j++)
1436                     snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1437             }
1438             if (enc->flags&CODEC_FLAG_PSNR){
1439                 int j;
1440                 double error, error_sum=0;
1441                 double scale, scale_sum=0;
1442                 char type[3]= {'Y','U','V'};
1443                 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1444                 for(j=0; j<3; j++){
1445                     if(is_last_report){
1446                         error= enc->error[j];
1447                         scale= enc->width*enc->height*255.0*255.0*frame_number;
1448                     }else{
1449                         error= enc->coded_frame->error[j];
1450                         scale= enc->width*enc->height*255.0*255.0;
1451                     }
1452                     if(j) scale/=4;
1453                     error_sum += error;
1454                     scale_sum += scale;
1455                     snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1456                 }
1457                 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1458             }
1459             vid = 1;
1460         }
1461         /* compute min output value */
1462         pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1463                                       ost->st->time_base, AV_TIME_BASE_Q));
1464     }
1465
1466     if (verbose > 0 || is_last_report) {
1467         int hours, mins, secs, us;
1468         secs = pts / AV_TIME_BASE;
1469         us = pts % AV_TIME_BASE;
1470         mins = secs / 60;
1471         secs %= 60;
1472         hours = mins / 60;
1473         mins %= 60;
1474
1475         bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1476
1477         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1478                  "size=%8.0fkB time=", total_size / 1024.0);
1479         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1480                  "%02d:%02d:%02d.%02d ", hours, mins, secs,
1481                  (100 * us) / AV_TIME_BASE);
1482         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1483                  "bitrate=%6.1fkbits/s", bitrate);
1484
1485         if (nb_frames_dup || nb_frames_drop)
1486           snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1487                   nb_frames_dup, nb_frames_drop);
1488
1489         if (verbose >= 0)
1490             fprintf(stderr, "%s    \r", buf);
1491
1492         fflush(stderr);
1493     }
1494
1495     if (is_last_report && verbose >= 0){
1496         int64_t raw= audio_size + video_size + extra_size;
1497         fprintf(stderr, "\n");
1498         fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1499                 video_size/1024.0,
1500                 audio_size/1024.0,
1501                 extra_size/1024.0,
1502                 100.0*(total_size - raw)/raw
1503         );
1504     }
1505 }
1506
1507 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1508 {
1509     int fill_char = 0x00;
1510     if (sample_fmt == AV_SAMPLE_FMT_U8)
1511         fill_char = 0x80;
1512     memset(buf, fill_char, size);
1513 }
1514
1515 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1516 static int output_packet(InputStream *ist, int ist_index,
1517                          OutputStream **ost_table, int nb_ostreams,
1518                          const AVPacket *pkt)
1519 {
1520     AVFormatContext *os;
1521     OutputStream *ost;
1522     int ret, i;
1523     int got_output;
1524     AVFrame picture;
1525     void *buffer_to_free = NULL;
1526     static unsigned int samples_size= 0;
1527     AVSubtitle subtitle, *subtitle_to_free;
1528     int64_t pkt_pts = AV_NOPTS_VALUE;
1529 #if CONFIG_AVFILTER
1530     int frame_available;
1531 #endif
1532     float quality;
1533
1534     AVPacket avpkt;
1535     int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1536
1537     if(ist->next_pts == AV_NOPTS_VALUE)
1538         ist->next_pts= ist->pts;
1539
1540     if (pkt == NULL) {
1541         /* EOF handling */
1542         av_init_packet(&avpkt);
1543         avpkt.data = NULL;
1544         avpkt.size = 0;
1545         goto handle_eof;
1546     } else {
1547         avpkt = *pkt;
1548     }
1549
1550     if(pkt->dts != AV_NOPTS_VALUE)
1551         ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1552     if(pkt->pts != AV_NOPTS_VALUE)
1553         pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1554
1555     //while we have more to decode or while the decoder did output something on EOF
1556     while (avpkt.size > 0 || (!pkt && got_output)) {
1557         uint8_t *data_buf, *decoded_data_buf;
1558         int data_size, decoded_data_size;
1559     handle_eof:
1560         ist->pts= ist->next_pts;
1561
1562         if(avpkt.size && avpkt.size != pkt->size &&
1563            ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1564             fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1565             ist->showed_multi_packet_warning=1;
1566         }
1567
1568         /* decode the packet if needed */
1569         decoded_data_buf = NULL; /* fail safe */
1570         decoded_data_size= 0;
1571         data_buf  = avpkt.data;
1572         data_size = avpkt.size;
1573         subtitle_to_free = NULL;
1574         if (ist->decoding_needed) {
1575             switch(ist->st->codec->codec_type) {
1576             case AVMEDIA_TYPE_AUDIO:{
1577                 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1578                     samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1579                     av_free(samples);
1580                     samples= av_malloc(samples_size);
1581                 }
1582                 decoded_data_size= samples_size;
1583                     /* XXX: could avoid copy if PCM 16 bits with same
1584                        endianness as CPU */
1585                 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1586                                             &avpkt);
1587                 if (ret < 0)
1588                     return ret;
1589                 avpkt.data += ret;
1590                 avpkt.size -= ret;
1591                 data_size   = ret;
1592                 got_output  = decoded_data_size > 0;
1593                 /* Some bug in mpeg audio decoder gives */
1594                 /* decoded_data_size < 0, it seems they are overflows */
1595                 if (!got_output) {
1596                     /* no audio frame */
1597                     continue;
1598                 }
1599                 decoded_data_buf = (uint8_t *)samples;
1600                 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1601                     (ist->st->codec->sample_rate * ist->st->codec->channels);
1602                 break;}
1603             case AVMEDIA_TYPE_VIDEO:
1604                     decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1605                     /* XXX: allocate picture correctly */
1606                     avcodec_get_frame_defaults(&picture);
1607                     avpkt.pts = pkt_pts;
1608                     avpkt.dts = ist->pts;
1609                     pkt_pts = AV_NOPTS_VALUE;
1610
1611                     ret = avcodec_decode_video2(ist->st->codec,
1612                                                 &picture, &got_output, &avpkt);
1613                     quality = same_quality ? picture.quality : 0;
1614                     if (ret < 0)
1615                         return ret;
1616                     if (!got_output) {
1617                         /* no picture yet */
1618                         goto discard_packet;
1619                     }
1620                     ist->next_pts = ist->pts = picture.best_effort_timestamp;
1621                     if (ist->st->codec->time_base.num != 0) {
1622                         int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1623                         ist->next_pts += ((int64_t)AV_TIME_BASE *
1624                                           ist->st->codec->time_base.num * ticks) /
1625                             ist->st->codec->time_base.den;
1626                     }
1627                     avpkt.size = 0;
1628                     buffer_to_free = NULL;
1629                     pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1630                     break;
1631             case AVMEDIA_TYPE_SUBTITLE:
1632                 ret = avcodec_decode_subtitle2(ist->st->codec,
1633                                                &subtitle, &got_output, &avpkt);
1634                 if (ret < 0)
1635                     return ret;
1636                 if (!got_output) {
1637                     goto discard_packet;
1638                 }
1639                 subtitle_to_free = &subtitle;
1640                 avpkt.size = 0;
1641                 break;
1642             default:
1643                 return -1;
1644             }
1645         } else {
1646             switch(ist->st->codec->codec_type) {
1647             case AVMEDIA_TYPE_AUDIO:
1648                 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1649                     ist->st->codec->sample_rate;
1650                 break;
1651             case AVMEDIA_TYPE_VIDEO:
1652                 if (ist->st->codec->time_base.num != 0) {
1653                     int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1654                     ist->next_pts += ((int64_t)AV_TIME_BASE *
1655                                       ist->st->codec->time_base.num * ticks) /
1656                         ist->st->codec->time_base.den;
1657                 }
1658                 break;
1659             }
1660             ret = avpkt.size;
1661             avpkt.size = 0;
1662         }
1663
1664 #if CONFIG_AVFILTER
1665         if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1666         if (start_time == 0 || ist->pts >= start_time) {
1667             for(i=0;i<nb_ostreams;i++) {
1668                 ost = ost_table[i];
1669                 if (ost->input_video_filter && ost->source_index == ist_index) {
1670                     if (!picture.sample_aspect_ratio.num)
1671                         picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1672                     picture.pts = ist->pts;
1673
1674                     av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1675                 }
1676             }
1677         }
1678 #endif
1679
1680         // preprocess audio (volume)
1681         if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1682             if (audio_volume != 256) {
1683                 short *volp;
1684                 volp = samples;
1685                 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1686                     int v = ((*volp) * audio_volume + 128) >> 8;
1687                     if (v < -32768) v = -32768;
1688                     if (v >  32767) v = 32767;
1689                     *volp++ = v;
1690                 }
1691             }
1692         }
1693
1694         /* frame rate emulation */
1695         if (rate_emu) {
1696             int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1697             int64_t now = av_gettime() - ist->start;
1698             if (pts > now)
1699                 usleep(pts - now);
1700         }
1701         /* if output time reached then transcode raw format,
1702            encode packets and output them */
1703         if (start_time == 0 || ist->pts >= start_time)
1704             for(i=0;i<nb_ostreams;i++) {
1705                 int frame_size;
1706
1707                 ost = ost_table[i];
1708                 if (ost->source_index == ist_index) {
1709 #if CONFIG_AVFILTER
1710                 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1711                     !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1712                 while (frame_available) {
1713                     if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1714                         AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1715                         if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1716                             goto cont;
1717                         if (ost->picref) {
1718                             avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1719                             ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1720                         }
1721                     }
1722 #endif
1723                     os = output_files[ost->file_index];
1724
1725                     /* set the input output pts pairs */
1726                     //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1727
1728                     if (ost->encoding_needed) {
1729                         av_assert0(ist->decoding_needed);
1730                         switch(ost->st->codec->codec_type) {
1731                         case AVMEDIA_TYPE_AUDIO:
1732                             do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1733                             break;
1734                         case AVMEDIA_TYPE_VIDEO:
1735 #if CONFIG_AVFILTER
1736                             if (ost->picref->video && !ost->frame_aspect_ratio)
1737                                 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1738 #endif
1739                             do_video_out(os, ost, ist, &picture, &frame_size,
1740                                          same_quality ? quality : ost->st->codec->global_quality);
1741                             if (vstats_filename && frame_size)
1742                                 do_video_stats(os, ost, frame_size);
1743                             break;
1744                         case AVMEDIA_TYPE_SUBTITLE:
1745                             do_subtitle_out(os, ost, ist, &subtitle,
1746                                             pkt->pts);
1747                             break;
1748                         default:
1749                             abort();
1750                         }
1751                     } else {
1752                         AVFrame avframe; //FIXME/XXX remove this
1753                         AVPicture pict;
1754                         AVPacket opkt;
1755                         int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1756
1757                         av_init_packet(&opkt);
1758
1759                         if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1760 #if !CONFIG_AVFILTER
1761                             continue;
1762 #else
1763                             goto cont;
1764 #endif
1765
1766                         /* no reencoding needed : output the packet directly */
1767                         /* force the input stream PTS */
1768
1769                         avcodec_get_frame_defaults(&avframe);
1770                         ost->st->codec->coded_frame= &avframe;
1771                         avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1772
1773                         if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1774                             audio_size += data_size;
1775                         else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1776                             video_size += data_size;
1777                             ost->sync_opts++;
1778                         }
1779
1780                         opkt.stream_index= ost->index;
1781                         if(pkt->pts != AV_NOPTS_VALUE)
1782                             opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1783                         else
1784                             opkt.pts= AV_NOPTS_VALUE;
1785
1786                         if (pkt->dts == AV_NOPTS_VALUE)
1787                             opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1788                         else
1789                             opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1790                         opkt.dts -= ost_tb_start_time;
1791
1792                         opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1793                         opkt.flags= pkt->flags;
1794
1795                         //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1796                         if(   ost->st->codec->codec_id != CODEC_ID_H264
1797                            && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1798                            && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1799                            ) {
1800                             if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1801                                 opkt.destruct= av_destruct_packet;
1802                         } else {
1803                             opkt.data = data_buf;
1804                             opkt.size = data_size;
1805                         }
1806
1807                         if (os->oformat->flags & AVFMT_RAWPICTURE) {
1808                             /* store AVPicture in AVPacket, as expected by the output format */
1809                             avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1810                             opkt.data = (uint8_t *)&pict;
1811                             opkt.size = sizeof(AVPicture);
1812                             opkt.flags |= AV_PKT_FLAG_KEY;
1813                         }
1814                         write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1815                         ost->st->codec->frame_number++;
1816                         ost->frame_number++;
1817                         av_free_packet(&opkt);
1818                     }
1819 #if CONFIG_AVFILTER
1820                     cont:
1821                     frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1822                                        ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1823                     avfilter_unref_buffer(ost->picref);
1824                 }
1825 #endif
1826                 }
1827             }
1828
1829         av_free(buffer_to_free);
1830         /* XXX: allocate the subtitles in the codec ? */
1831         if (subtitle_to_free) {
1832             avsubtitle_free(subtitle_to_free);
1833             subtitle_to_free = NULL;
1834         }
1835     }
1836  discard_packet:
1837     if (pkt == NULL) {
1838         /* EOF handling */
1839
1840         for(i=0;i<nb_ostreams;i++) {
1841             ost = ost_table[i];
1842             if (ost->source_index == ist_index) {
1843                 AVCodecContext *enc= ost->st->codec;
1844                 os = output_files[ost->file_index];
1845
1846                 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1847                     continue;
1848                 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1849                     continue;
1850
1851                 if (ost->encoding_needed) {
1852                     for(;;) {
1853                         AVPacket pkt;
1854                         int fifo_bytes;
1855                         av_init_packet(&pkt);
1856                         pkt.stream_index= ost->index;
1857
1858                         switch(ost->st->codec->codec_type) {
1859                         case AVMEDIA_TYPE_AUDIO:
1860                             fifo_bytes = av_fifo_size(ost->fifo);
1861                             ret = 0;
1862                             /* encode any samples remaining in fifo */
1863                             if (fifo_bytes > 0) {
1864                                 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1865                                 int fs_tmp = enc->frame_size;
1866
1867                                 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1868                                 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1869                                     enc->frame_size = fifo_bytes / (osize * enc->channels);
1870                                 } else { /* pad */
1871                                     int frame_bytes = enc->frame_size*osize*enc->channels;
1872                                     if (allocated_audio_buf_size < frame_bytes)
1873                                         ffmpeg_exit(1);
1874                                     generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1875                                 }
1876
1877                                 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1878                                 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1879                                                           ost->st->time_base.num, enc->sample_rate);
1880                                 enc->frame_size = fs_tmp;
1881                             }
1882                             if(ret <= 0) {
1883                                 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1884                             }
1885                             if (ret < 0) {
1886                                 fprintf(stderr, "Audio encoding failed\n");
1887                                 ffmpeg_exit(1);
1888                             }
1889                             audio_size += ret;
1890                             pkt.flags |= AV_PKT_FLAG_KEY;
1891                             break;
1892                         case AVMEDIA_TYPE_VIDEO:
1893                             ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1894                             if (ret < 0) {
1895                                 fprintf(stderr, "Video encoding failed\n");
1896                                 ffmpeg_exit(1);
1897                             }
1898                             video_size += ret;
1899                             if(enc->coded_frame && enc->coded_frame->key_frame)
1900                                 pkt.flags |= AV_PKT_FLAG_KEY;
1901                             if (ost->logfile && enc->stats_out) {
1902                                 fprintf(ost->logfile, "%s", enc->stats_out);
1903                             }
1904                             break;
1905                         default:
1906                             ret=-1;
1907                         }
1908
1909                         if(ret<=0)
1910                             break;
1911                         pkt.data= bit_buffer;
1912                         pkt.size= ret;
1913                         if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1914                             pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1915                         write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1916                     }
1917                 }
1918             }
1919         }
1920     }
1921
1922     return 0;
1923 }
1924
1925 static void print_sdp(AVFormatContext **avc, int n)
1926 {
1927     char sdp[2048];
1928
1929     av_sdp_create(avc, n, sdp, sizeof(sdp));
1930     printf("SDP:\n%s\n", sdp);
1931     fflush(stdout);
1932 }
1933
1934 static int copy_chapters(int infile, int outfile)
1935 {
1936     AVFormatContext *is = input_files[infile].ctx;
1937     AVFormatContext *os = output_files[outfile];
1938     int i;
1939
1940     for (i = 0; i < is->nb_chapters; i++) {
1941         AVChapter *in_ch = is->chapters[i], *out_ch;
1942         int64_t ts_off   = av_rescale_q(start_time - input_files[infile].ts_offset,
1943                                       AV_TIME_BASE_Q, in_ch->time_base);
1944         int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1945                            av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1946
1947
1948         if (in_ch->end < ts_off)
1949             continue;
1950         if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1951             break;
1952
1953         out_ch = av_mallocz(sizeof(AVChapter));
1954         if (!out_ch)
1955             return AVERROR(ENOMEM);
1956
1957         out_ch->id        = in_ch->id;
1958         out_ch->time_base = in_ch->time_base;
1959         out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1960         out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1961
1962         if (metadata_chapters_autocopy)
1963             av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1964
1965         os->nb_chapters++;
1966         os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1967         if (!os->chapters)
1968             return AVERROR(ENOMEM);
1969         os->chapters[os->nb_chapters - 1] = out_ch;
1970     }
1971     return 0;
1972 }
1973
1974 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1975                                     AVCodecContext *avctx)
1976 {
1977     char *p;
1978     int n = 1, i;
1979     int64_t t;
1980
1981     for (p = kf; *p; p++)
1982         if (*p == ',')
1983             n++;
1984     ost->forced_kf_count = n;
1985     ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1986     if (!ost->forced_kf_pts) {
1987         av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1988         ffmpeg_exit(1);
1989     }
1990     for (i = 0; i < n; i++) {
1991         p = i ? strchr(p, ',') + 1 : kf;
1992         t = parse_time_or_die("force_key_frames", p, 1);
1993         ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1994     }
1995 }
1996
1997 /*
1998  * The following code is the main loop of the file converter
1999  */
2000 static int transcode(AVFormatContext **output_files,
2001                      int nb_output_files,
2002                      InputFile *input_files,
2003                      int nb_input_files,
2004                      StreamMap *stream_maps, int nb_stream_maps)
2005 {
2006     int ret = 0, i, j, k, n, nb_ostreams = 0, step;
2007
2008     AVFormatContext *is, *os;
2009     AVCodecContext *codec, *icodec;
2010     OutputStream *ost, **ost_table = NULL;
2011     InputStream *ist;
2012     char error[1024];
2013     int key;
2014     int want_sdp = 1;
2015     uint8_t no_packet[MAX_FILES]={0};
2016     int no_packet_count=0;
2017     int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
2018     int nb_streams[AVMEDIA_TYPE_NB]={0};
2019
2020     if (rate_emu)
2021         for (i = 0; i < nb_input_streams; i++)
2022             input_streams[i].start = av_gettime();
2023
2024     /* output stream init */
2025     nb_ostreams = 0;
2026     for(i=0;i<nb_output_files;i++) {
2027         os = output_files[i];
2028         if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2029             av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2030             fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2031             ret = AVERROR(EINVAL);
2032             goto fail;
2033         }
2034         nb_ostreams += os->nb_streams;
2035     }
2036     if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2037         fprintf(stderr, "Number of stream maps must match number of output streams\n");
2038         ret = AVERROR(EINVAL);
2039         goto fail;
2040     }
2041
2042     /* Sanity check the mapping args -- do the input files & streams exist? */
2043     for(i=0;i<nb_stream_maps;i++) {
2044         int fi = stream_maps[i].file_index;
2045         int si = stream_maps[i].stream_index;
2046
2047         if (fi < 0 || fi > nb_input_files - 1 ||
2048             si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2049             fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2050             ret = AVERROR(EINVAL);
2051             goto fail;
2052         }
2053         fi = stream_maps[i].sync_file_index;
2054         si = stream_maps[i].sync_stream_index;
2055         if (fi < 0 || fi > nb_input_files - 1 ||
2056             si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2057             fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2058             ret = AVERROR(EINVAL);
2059             goto fail;
2060         }
2061     }
2062
2063     ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
2064     if (!ost_table)
2065         goto fail;
2066
2067     for(k=0;k<nb_output_files;k++) {
2068         os = output_files[k];
2069         for(i=0;i<os->nb_streams;i++,n++) {
2070             nb_streams[os->streams[i]->codec->codec_type]++;
2071         }
2072     }
2073     for(step=1<<30; step; step>>=1){
2074         int found_streams[AVMEDIA_TYPE_NB]={0};
2075         for(j=0; j<AVMEDIA_TYPE_NB; j++)
2076             nb_frame_threshold[j] += step;
2077
2078         for(j=0; j<nb_input_streams; j++) {
2079             int skip=0;
2080             ist = &input_streams[j];
2081             if(opt_programid){
2082                 int pi,si;
2083                 AVFormatContext *f= input_files[ ist->file_index ].ctx;
2084                 skip=1;
2085                 for(pi=0; pi<f->nb_programs; pi++){
2086                     AVProgram *p= f->programs[pi];
2087                     if(p->id == opt_programid)
2088                         for(si=0; si<p->nb_stream_indexes; si++){
2089                             if(f->streams[ p->stream_index[si] ] == ist->st)
2090                                 skip=0;
2091                         }
2092                 }
2093             }
2094             if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2095                 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2096                 found_streams[ist->st->codec->codec_type]++;
2097             }
2098         }
2099         for(j=0; j<AVMEDIA_TYPE_NB; j++)
2100             if(found_streams[j] < nb_streams[j])
2101                 nb_frame_threshold[j] -= step;
2102     }
2103     n = 0;
2104     for(k=0;k<nb_output_files;k++) {
2105         os = output_files[k];
2106         for(i=0;i<os->nb_streams;i++,n++) {
2107             int found;
2108             ost = ost_table[n] = output_streams_for_file[k][i];
2109             if (nb_stream_maps > 0) {
2110                 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2111                     stream_maps[n].stream_index;
2112
2113                 /* Sanity check that the stream types match */
2114                 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2115                     int i= ost->file_index;
2116                     av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2117                     fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2118                         stream_maps[n].file_index, stream_maps[n].stream_index,
2119                         ost->file_index, ost->index);
2120                     ffmpeg_exit(1);
2121                 }
2122
2123             } else {
2124                 /* get corresponding input stream index : we select the first one with the right type */
2125                 found = 0;
2126                 for (j = 0; j < nb_input_streams; j++) {
2127                     int skip=0;
2128                     ist = &input_streams[j];
2129                     if(opt_programid){
2130                         int pi,si;
2131                         AVFormatContext *f = input_files[ist->file_index].ctx;
2132                         skip=1;
2133                         for(pi=0; pi<f->nb_programs; pi++){
2134                             AVProgram *p= f->programs[pi];
2135                             if(p->id == opt_programid)
2136                                 for(si=0; si<p->nb_stream_indexes; si++){
2137                                     if(f->streams[ p->stream_index[si] ] == ist->st)
2138                                         skip=0;
2139                                 }
2140                         }
2141                     }
2142                     if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2143                         ist->st->codec->codec_type == ost->st->codec->codec_type &&
2144                         nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2145                             ost->source_index = j;
2146                             found = 1;
2147                             break;
2148                     }
2149                 }
2150
2151                 if (!found) {
2152                     if(! opt_programid) {
2153                         /* try again and reuse existing stream */
2154                         for (j = 0; j < nb_input_streams; j++) {
2155                             ist = &input_streams[j];
2156                             if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2157                                 && ist->st->discard != AVDISCARD_ALL) {
2158                                 ost->source_index = j;
2159                                 found = 1;
2160                             }
2161                         }
2162                     }
2163                     if (!found) {
2164                         int i= ost->file_index;
2165                         av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2166                         fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2167                                 ost->file_index, ost->index);
2168                         ffmpeg_exit(1);
2169                     }
2170                 }
2171             }
2172             ist = &input_streams[ost->source_index];
2173             ist->discard = 0;
2174             ost->sync_ist = (nb_stream_maps > 0) ?
2175                 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2176                          stream_maps[n].sync_stream_index] : ist;
2177         }
2178     }
2179
2180     /* for each output stream, we compute the right encoding parameters */
2181     for(i=0;i<nb_ostreams;i++) {
2182         ost = ost_table[i];
2183         os = output_files[ost->file_index];
2184         ist = &input_streams[ost->source_index];
2185
2186         codec = ost->st->codec;
2187         icodec = ist->st->codec;
2188
2189         if (metadata_streams_autocopy)
2190             av_dict_copy(&ost->st->metadata, ist->st->metadata,
2191                          AV_DICT_DONT_OVERWRITE);
2192
2193         ost->st->disposition = ist->st->disposition;
2194         codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2195         codec->chroma_sample_location = icodec->chroma_sample_location;
2196
2197         if (ost->st->stream_copy) {
2198             uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2199
2200             if (extra_size > INT_MAX)
2201                 goto fail;
2202
2203             /* if stream_copy is selected, no need to decode or encode */
2204             codec->codec_id = icodec->codec_id;
2205             codec->codec_type = icodec->codec_type;
2206
2207             if(!codec->codec_tag){
2208                 if(   !os->oformat->codec_tag
2209                    || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2210                    || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2211                     codec->codec_tag = icodec->codec_tag;
2212             }
2213
2214             codec->bit_rate = icodec->bit_rate;
2215             codec->rc_max_rate    = icodec->rc_max_rate;
2216             codec->rc_buffer_size = icodec->rc_buffer_size;
2217             codec->extradata= av_mallocz(extra_size);
2218             if (!codec->extradata)
2219                 goto fail;
2220             memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2221             codec->extradata_size= icodec->extradata_size;
2222             if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2223                 codec->time_base = icodec->time_base;
2224                 codec->time_base.num *= icodec->ticks_per_frame;
2225                 av_reduce(&codec->time_base.num, &codec->time_base.den,
2226                           codec->time_base.num, codec->time_base.den, INT_MAX);
2227             }else
2228                 codec->time_base = ist->st->time_base;
2229             switch(codec->codec_type) {
2230             case AVMEDIA_TYPE_AUDIO:
2231                 if(audio_volume != 256) {
2232                     fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2233                     ffmpeg_exit(1);
2234                 }
2235                 codec->channel_layout = icodec->channel_layout;
2236                 codec->sample_rate = icodec->sample_rate;
2237                 codec->channels = icodec->channels;
2238                 codec->frame_size = icodec->frame_size;
2239                 codec->audio_service_type = icodec->audio_service_type;
2240                 codec->block_align= icodec->block_align;
2241                 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2242                     codec->block_align= 0;
2243                 if(codec->codec_id == CODEC_ID_AC3)
2244                     codec->block_align= 0;
2245                 break;
2246             case AVMEDIA_TYPE_VIDEO:
2247                 codec->pix_fmt = icodec->pix_fmt;
2248                 codec->width = icodec->width;
2249                 codec->height = icodec->height;
2250                 codec->has_b_frames = icodec->has_b_frames;
2251                 if (!codec->sample_aspect_ratio.num) {
2252                     codec->sample_aspect_ratio =
2253                     ost->st->sample_aspect_ratio =
2254                         ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2255                         ist->st->codec->sample_aspect_ratio.num ?
2256                         ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2257                 }
2258                 break;
2259             case AVMEDIA_TYPE_SUBTITLE:
2260                 codec->width = icodec->width;
2261                 codec->height = icodec->height;
2262                 break;
2263             case AVMEDIA_TYPE_DATA:
2264                 break;
2265             default:
2266                 abort();
2267             }
2268         } else {
2269             if (!ost->enc)
2270                 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2271             switch(codec->codec_type) {
2272             case AVMEDIA_TYPE_AUDIO:
2273                 ost->fifo= av_fifo_alloc(1024);
2274                 if(!ost->fifo)
2275                     goto fail;
2276                 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2277                 if (!codec->sample_rate) {
2278                     codec->sample_rate = icodec->sample_rate;
2279                     if (icodec->lowres)
2280                         codec->sample_rate >>= icodec->lowres;
2281                 }
2282                 choose_sample_rate(ost->st, ost->enc);
2283                 codec->time_base = (AVRational){1, codec->sample_rate};
2284                 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2285                     codec->sample_fmt = icodec->sample_fmt;
2286                 choose_sample_fmt(ost->st, ost->enc);
2287                 if (!codec->channels) {
2288                     codec->channels = icodec->channels;
2289                     codec->channel_layout = icodec->channel_layout;
2290                 }
2291                 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2292                     codec->channel_layout = 0;
2293                 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2294                 icodec->request_channels = codec->channels;
2295                 ist->decoding_needed = 1;
2296                 ost->encoding_needed = 1;
2297                 ost->resample_sample_fmt  = icodec->sample_fmt;
2298                 ost->resample_sample_rate = icodec->sample_rate;
2299                 ost->resample_channels    = icodec->channels;
2300                 break;
2301             case AVMEDIA_TYPE_VIDEO:
2302                 if (codec->pix_fmt == PIX_FMT_NONE)
2303                     codec->pix_fmt = icodec->pix_fmt;
2304                 choose_pixel_fmt(ost->st, ost->enc);
2305
2306                 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2307                     fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2308                     ffmpeg_exit(1);
2309                 }
2310                 ost->video_resample = codec->width   != icodec->width  ||
2311                                       codec->height  != icodec->height ||
2312                                       codec->pix_fmt != icodec->pix_fmt;
2313                 if (ost->video_resample) {
2314                     codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2315                 }
2316                 if (!codec->width || !codec->height) {
2317                     codec->width  = icodec->width;
2318                     codec->height = icodec->height;
2319                 }
2320                 ost->resample_height = icodec->height;
2321                 ost->resample_width  = icodec->width;
2322                 ost->resample_pix_fmt= icodec->pix_fmt;
2323                 ost->encoding_needed = 1;
2324                 ist->decoding_needed = 1;
2325
2326                 if (!ost->frame_rate.num)
2327                     ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2328                 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2329                     int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2330                     ost->frame_rate = ost->enc->supported_framerates[idx];
2331                 }
2332                 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2333                 if(   av_q2d(codec->time_base) < 0.001 && video_sync_method
2334                    && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2335                     av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2336                                                "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2337                 }
2338
2339 #if CONFIG_AVFILTER
2340                 if (configure_video_filters(ist, ost)) {
2341                     fprintf(stderr, "Error opening filters!\n");
2342                     exit(1);
2343                 }
2344 #endif
2345                 break;
2346             case AVMEDIA_TYPE_SUBTITLE:
2347                 ost->encoding_needed = 1;
2348                 ist->decoding_needed = 1;
2349                 break;
2350             default:
2351                 abort();
2352                 break;
2353             }
2354             /* two pass mode */
2355             if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2356                 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2357                 char logfilename[1024];
2358                 FILE *f;
2359
2360                 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2361                          pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2362                          i);
2363                 if (codec->flags & CODEC_FLAG_PASS1) {
2364                     f = fopen(logfilename, "wb");
2365                     if (!f) {
2366                         fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2367                         ffmpeg_exit(1);
2368                     }
2369                     ost->logfile = f;
2370                 } else {
2371                     char  *logbuffer;
2372                     size_t logbuffer_size;
2373                     if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2374                         fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2375                         ffmpeg_exit(1);
2376                     }
2377                     codec->stats_in = logbuffer;
2378                 }
2379             }
2380         }
2381         if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2382             /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2383             int size= codec->width * codec->height;
2384             bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2385         }
2386     }
2387
2388     if (!bit_buffer)
2389         bit_buffer = av_malloc(bit_buffer_size);
2390     if (!bit_buffer) {
2391         fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2392                 bit_buffer_size);
2393         ret = AVERROR(ENOMEM);
2394         goto fail;
2395     }
2396
2397     /* open each encoder */
2398     for(i=0;i<nb_ostreams;i++) {
2399         ost = ost_table[i];
2400         if (ost->encoding_needed) {
2401             AVCodec *codec = ost->enc;
2402             AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2403             if (!codec) {
2404                 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2405                          ost->st->codec->codec_id, ost->file_index, ost->index);
2406                 ret = AVERROR(EINVAL);
2407                 goto dump_format;
2408             }
2409             if (dec->subtitle_header) {
2410                 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2411                 if (!ost->st->codec->subtitle_header) {
2412                     ret = AVERROR(ENOMEM);
2413                     goto dump_format;
2414                 }
2415                 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2416                 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2417             }
2418             if (avcodec_open(ost->st->codec, codec) < 0) {
2419                 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2420                         ost->file_index, ost->index);
2421                 ret = AVERROR(EINVAL);
2422                 goto dump_format;
2423             }
2424             extra_size += ost->st->codec->extradata_size;
2425         }
2426     }
2427
2428     /* open each decoder */
2429     for (i = 0; i < nb_input_streams; i++) {
2430         ist = &input_streams[i];
2431         if (ist->decoding_needed) {
2432             AVCodec *codec = ist->dec;
2433             if (!codec)
2434                 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2435             if (!codec) {
2436                 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2437                         ist->st->codec->codec_id, ist->file_index, ist->st->index);
2438                 ret = AVERROR(EINVAL);
2439                 goto dump_format;
2440             }
2441             if (avcodec_open(ist->st->codec, codec) < 0) {
2442                 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2443                         ist->file_index, ist->st->index);
2444                 ret = AVERROR(EINVAL);
2445                 goto dump_format;
2446             }
2447             //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2448             //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2449         }
2450     }
2451
2452     /* init pts */
2453     for (i = 0; i < nb_input_streams; i++) {
2454         AVStream *st;
2455         ist = &input_streams[i];
2456         st= ist->st;
2457         ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2458         ist->next_pts = AV_NOPTS_VALUE;
2459         ist->is_start = 1;
2460     }
2461
2462     /* set meta data information from input file if required */
2463     for (i=0;i<nb_meta_data_maps;i++) {
2464         AVFormatContext *files[2];
2465         AVDictionary    **meta[2];
2466         int j;
2467
2468 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2469         if ((index) < 0 || (index) >= (nb_elems)) {\
2470             snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2471                      (desc), (index));\
2472             ret = AVERROR(EINVAL);\
2473             goto dump_format;\
2474         }
2475
2476         int out_file_index = meta_data_maps[i][0].file;
2477         int in_file_index = meta_data_maps[i][1].file;
2478         if (in_file_index < 0 || out_file_index < 0)
2479             continue;
2480         METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2481         METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2482
2483         files[0] = output_files[out_file_index];
2484         files[1] = input_files[in_file_index].ctx;
2485
2486         for (j = 0; j < 2; j++) {
2487             MetadataMap *map = &meta_data_maps[i][j];
2488
2489             switch (map->type) {
2490             case 'g':
2491                 meta[j] = &files[j]->metadata;
2492                 break;
2493             case 's':
2494                 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2495                 meta[j] = &files[j]->streams[map->index]->metadata;
2496                 break;
2497             case 'c':
2498                 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2499                 meta[j] = &files[j]->chapters[map->index]->metadata;
2500                 break;
2501             case 'p':
2502                 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2503                 meta[j] = &files[j]->programs[map->index]->metadata;
2504                 break;
2505             }
2506         }
2507
2508         av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2509     }
2510
2511     /* copy global metadata by default */
2512     if (metadata_global_autocopy) {
2513
2514         for (i = 0; i < nb_output_files; i++)
2515             av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2516                          AV_DICT_DONT_OVERWRITE);
2517     }
2518
2519     /* copy chapters according to chapter maps */
2520     for (i = 0; i < nb_chapter_maps; i++) {
2521         int infile  = chapter_maps[i].in_file;
2522         int outfile = chapter_maps[i].out_file;
2523
2524         if (infile < 0 || outfile < 0)
2525             continue;
2526         if (infile >= nb_input_files) {
2527             snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2528             ret = AVERROR(EINVAL);
2529             goto dump_format;
2530         }
2531         if (outfile >= nb_output_files) {
2532             snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2533             ret = AVERROR(EINVAL);
2534             goto dump_format;
2535         }
2536         copy_chapters(infile, outfile);
2537     }
2538
2539     /* copy chapters from the first input file that has them*/
2540     if (!nb_chapter_maps)
2541         for (i = 0; i < nb_input_files; i++) {
2542             if (!input_files[i].ctx->nb_chapters)
2543                 continue;
2544
2545             for (j = 0; j < nb_output_files; j++)
2546                 if ((ret = copy_chapters(i, j)) < 0)
2547                     goto dump_format;
2548             break;
2549         }
2550
2551     /* open files and write file headers */
2552     for(i=0;i<nb_output_files;i++) {
2553         os = output_files[i];
2554         if (avformat_write_header(os, &output_opts[i]) < 0) {
2555             snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2556             ret = AVERROR(EINVAL);
2557             goto dump_format;
2558         }
2559         assert_avoptions(output_opts[i]);
2560         if (strcmp(output_files[i]->oformat->name, "rtp")) {
2561             want_sdp = 0;
2562         }
2563     }
2564
2565  dump_format:
2566     /* dump the file output parameters - cannot be done before in case
2567        of stream copy */
2568     for(i=0;i<nb_output_files;i++) {
2569         av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2570     }
2571
2572     /* dump the stream mapping */
2573     if (verbose >= 0) {
2574         fprintf(stderr, "Stream mapping:\n");
2575         for(i=0;i<nb_ostreams;i++) {
2576             ost = ost_table[i];
2577             fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2578                     input_streams[ost->source_index].file_index,
2579                     input_streams[ost->source_index].st->index,
2580                     ost->file_index,
2581                     ost->index);
2582             if (ost->sync_ist != &input_streams[ost->source_index])
2583                 fprintf(stderr, " [sync #%d.%d]",
2584                         ost->sync_ist->file_index,
2585                         ost->sync_ist->st->index);
2586             fprintf(stderr, "\n");
2587         }
2588     }
2589
2590     if (ret) {
2591         fprintf(stderr, "%s\n", error);
2592         goto fail;
2593     }
2594
2595     if (want_sdp) {
2596         print_sdp(output_files, nb_output_files);
2597     }
2598
2599     if (!using_stdin) {
2600         if(verbose >= 0)
2601             fprintf(stderr, "Press [q] to stop, [?] for help\n");
2602         avio_set_interrupt_cb(decode_interrupt_cb);
2603     }
2604     term_init();
2605
2606     timer_start = av_gettime();
2607
2608     for(; received_sigterm == 0;) {
2609         int file_index, ist_index;
2610         AVPacket pkt;
2611         double ipts_min;
2612         double opts_min;
2613
2614     redo:
2615         ipts_min= 1e100;
2616         opts_min= 1e100;
2617         /* if 'q' pressed, exits */
2618         if (!using_stdin) {
2619             if (q_pressed)
2620                 break;
2621             /* read_key() returns 0 on EOF */
2622             key = read_key();
2623             if (key == 'q')
2624                 break;
2625             if (key == '+') verbose++;
2626             if (key == '-') verbose--;
2627             if (key == 's') qp_hist     ^= 1;
2628             if (key == 'h'){
2629                 if (do_hex_dump){
2630                     do_hex_dump = do_pkt_dump = 0;
2631                 } else if(do_pkt_dump){
2632                     do_hex_dump = 1;
2633                 } else
2634                     do_pkt_dump = 1;
2635                 av_log_set_level(AV_LOG_DEBUG);
2636             }
2637             if (key == 'd' || key == 'D'){
2638                 int debug=0;
2639                 if(key == 'D') {
2640                     debug = input_streams[0].st->codec->debug<<1;
2641                     if(!debug) debug = 1;
2642                     while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2643                         debug += debug;
2644                 }else
2645                     scanf("%d", &debug);
2646                 for(i=0;i<nb_input_streams;i++) {
2647                     input_streams[i].st->codec->debug = debug;
2648                 }
2649                 for(i=0;i<nb_ostreams;i++) {
2650                     ost = ost_table[i];
2651                     ost->st->codec->debug = debug;
2652                 }
2653                 if(debug) av_log_set_level(AV_LOG_DEBUG);
2654                 fprintf(stderr,"debug=%d\n", debug);
2655             }
2656             if (key == '?'){
2657                 fprintf(stderr, "key    function\n"
2658                                 "?      show this help\n"
2659                                 "+      increase verbosity\n"
2660                                 "-      decrease verbosity\n"
2661                                 "D      cycle through available debug modes\n"
2662                                 "h      dump packets/hex press to cycle through the 3 states\n"
2663                                 "q      quit\n"
2664                                 "s      Show QP histogram\n"
2665                 );
2666             }
2667         }
2668
2669         /* select the stream that we must read now by looking at the
2670            smallest output pts */
2671         file_index = -1;
2672         for(i=0;i<nb_ostreams;i++) {
2673             double ipts, opts;
2674             ost = ost_table[i];
2675             os = output_files[ost->file_index];
2676             ist = &input_streams[ost->source_index];
2677             if(ist->is_past_recording_time || no_packet[ist->file_index])
2678                 continue;
2679                 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2680             ipts = (double)ist->pts;
2681             if (!input_files[ist->file_index].eof_reached){
2682                 if(ipts < ipts_min) {
2683                     ipts_min = ipts;
2684                     if(input_sync ) file_index = ist->file_index;
2685                 }
2686                 if(opts < opts_min) {
2687                     opts_min = opts;
2688                     if(!input_sync) file_index = ist->file_index;
2689                 }
2690             }
2691             if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2692                 file_index= -1;
2693                 break;
2694             }
2695         }
2696         /* if none, if is finished */
2697         if (file_index < 0) {
2698             if(no_packet_count){
2699                 no_packet_count=0;
2700                 memset(no_packet, 0, sizeof(no_packet));
2701                 usleep(10000);
2702                 continue;
2703             }
2704             break;
2705         }
2706
2707         /* finish if limit size exhausted */
2708         if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2709             break;
2710
2711         /* read a frame from it and output it in the fifo */
2712         is = input_files[file_index].ctx;
2713         ret= av_read_frame(is, &pkt);
2714         if(ret == AVERROR(EAGAIN)){
2715             no_packet[file_index]=1;
2716             no_packet_count++;
2717             continue;
2718         }
2719         if (ret < 0) {
2720             input_files[file_index].eof_reached = 1;
2721             if (opt_shortest)
2722                 break;
2723             else
2724                 continue;
2725         }
2726
2727         no_packet_count=0;
2728         memset(no_packet, 0, sizeof(no_packet));
2729
2730         if (do_pkt_dump) {
2731             av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2732                              is->streams[pkt.stream_index]);
2733         }
2734         /* the following test is needed in case new streams appear
2735            dynamically in stream : we ignore them */
2736         if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2737             goto discard_packet;
2738         ist_index = input_files[file_index].ist_index + pkt.stream_index;
2739         ist = &input_streams[ist_index];
2740         if (ist->discard)
2741             goto discard_packet;
2742
2743         if (pkt.dts != AV_NOPTS_VALUE)
2744             pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2745         if (pkt.pts != AV_NOPTS_VALUE)
2746             pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2747
2748         if (ist->ts_scale) {
2749             if(pkt.pts != AV_NOPTS_VALUE)
2750                 pkt.pts *= ist->ts_scale;
2751             if(pkt.dts != AV_NOPTS_VALUE)
2752                 pkt.dts *= ist->ts_scale;
2753         }
2754
2755 //        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2756         if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2757             && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2758             int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2759             int64_t delta= pkt_dts - ist->next_pts;
2760             if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2761                 input_files[ist->file_index].ts_offset -= delta;
2762                 if (verbose > 2)
2763                     fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2764                             delta, input_files[ist->file_index].ts_offset);
2765                 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2766                 if(pkt.pts != AV_NOPTS_VALUE)
2767                     pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2768             }
2769         }
2770
2771         /* finish if recording time exhausted */
2772         if (recording_time != INT64_MAX &&
2773             (pkt.pts != AV_NOPTS_VALUE ?
2774                 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2775                     :
2776                 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2777             )>= 0) {
2778             ist->is_past_recording_time = 1;
2779             goto discard_packet;
2780         }
2781
2782         //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2783         if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2784
2785             if (verbose >= 0)
2786                 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2787                         ist->file_index, ist->st->index);
2788             if (exit_on_error)
2789                 ffmpeg_exit(1);
2790             av_free_packet(&pkt);
2791             goto redo;
2792         }
2793
2794     discard_packet:
2795         av_free_packet(&pkt);
2796
2797         /* dump report by using the output first video and audio streams */
2798         print_report(output_files, ost_table, nb_ostreams, 0);
2799     }
2800
2801     /* at the end of stream, we must flush the decoder buffers */
2802     for (i = 0; i < nb_input_streams; i++) {
2803         ist = &input_streams[i];
2804         if (ist->decoding_needed) {
2805             output_packet(ist, i, ost_table, nb_ostreams, NULL);
2806         }
2807     }
2808
2809     term_exit();
2810
2811     /* write the trailer if needed and close file */
2812     for(i=0;i<nb_output_files;i++) {
2813         os = output_files[i];
2814         av_write_trailer(os);
2815     }
2816
2817     /* dump report by using the first video and audio streams */
2818     print_report(output_files, ost_table, nb_ostreams, 1);
2819
2820     /* close each encoder */
2821     for(i=0;i<nb_ostreams;i++) {
2822         ost = ost_table[i];
2823         if (ost->encoding_needed) {
2824             av_freep(&ost->st->codec->stats_in);
2825             avcodec_close(ost->st->codec);
2826         }
2827 #if CONFIG_AVFILTER
2828         avfilter_graph_free(&ost->graph);
2829 #endif
2830     }
2831
2832     /* close each decoder */
2833     for (i = 0; i < nb_input_streams; i++) {
2834         ist = &input_streams[i];
2835         if (ist->decoding_needed) {
2836             avcodec_close(ist->st->codec);
2837         }
2838     }
2839
2840     /* finished ! */
2841     ret = 0;
2842
2843  fail:
2844     av_freep(&bit_buffer);
2845
2846     if (ost_table) {
2847         for(i=0;i<nb_ostreams;i++) {
2848             ost = ost_table[i];
2849             if (ost) {
2850                 if (ost->st->stream_copy)
2851                     av_freep(&ost->st->codec->extradata);
2852                 if (ost->logfile) {
2853                     fclose(ost->logfile);
2854                     ost->logfile = NULL;
2855                 }
2856                 av_fifo_free(ost->fifo); /* works even if fifo is not
2857                                              initialized but set to zero */
2858                 av_freep(&ost->st->codec->subtitle_header);
2859                 av_free(ost->resample_frame.data[0]);
2860                 av_free(ost->forced_kf_pts);
2861                 if (ost->video_resample)
2862                     sws_freeContext(ost->img_resample_ctx);
2863                 if (ost->resample)
2864                     audio_resample_close(ost->resample);
2865                 if (ost->reformat_ctx)
2866                     av_audio_convert_free(ost->reformat_ctx);
2867                 av_free(ost);
2868             }
2869         }
2870         av_free(ost_table);
2871     }
2872     return ret;
2873 }
2874
2875 static int opt_format(const char *opt, const char *arg)
2876 {
2877     last_asked_format = arg;
2878     return 0;
2879 }
2880
2881 static int opt_video_rc_override_string(const char *opt, const char *arg)
2882 {
2883     video_rc_override_string = arg;
2884     return 0;
2885 }
2886
2887 static int opt_me_threshold(const char *opt, const char *arg)
2888 {
2889     me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2890     return 0;
2891 }
2892
2893 static int opt_verbose(const char *opt, const char *arg)
2894 {
2895     verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2896     return 0;
2897 }
2898
2899 static int opt_frame_rate(const char *opt, const char *arg)
2900 {
2901     if (av_parse_video_rate(&frame_rate, arg) < 0) {
2902         fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2903         ffmpeg_exit(1);
2904     }
2905     return 0;
2906 }
2907
2908 static int opt_bitrate(const char *opt, const char *arg)
2909 {
2910     int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2911
2912     opt_default(opt, arg);
2913
2914     if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2915         fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2916
2917     return 0;
2918 }
2919
2920 static int opt_frame_crop(const char *opt, const char *arg)
2921 {
2922     fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2923     return AVERROR(EINVAL);
2924 }
2925
2926 static int opt_frame_size(const char *opt, const char *arg)
2927 {
2928     if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2929         fprintf(stderr, "Incorrect frame size\n");
2930         return AVERROR(EINVAL);
2931     }
2932     return 0;
2933 }
2934
2935 static int opt_pad(const char *opt, const char *arg) {
2936     fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2937     return -1;
2938 }
2939
2940 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2941 {
2942     if (strcmp(arg, "list")) {
2943         frame_pix_fmt = av_get_pix_fmt(arg);
2944         if (frame_pix_fmt == PIX_FMT_NONE) {
2945             fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2946             return AVERROR(EINVAL);
2947         }
2948     } else {
2949         opt_pix_fmts(NULL, NULL);
2950         ffmpeg_exit(0);
2951     }
2952     return 0;
2953 }
2954
2955 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2956 {
2957     int x = 0, y = 0;
2958     double ar = 0;
2959     const char *p;
2960     char *end;
2961
2962     p = strchr(arg, ':');
2963     if (p) {
2964         x = strtol(arg, &end, 10);
2965         if (end == p)
2966             y = strtol(end+1, &end, 10);
2967         if (x > 0 && y > 0)
2968             ar = (double)x / (double)y;
2969     } else
2970         ar = strtod(arg, NULL);
2971
2972     if (!ar) {
2973         fprintf(stderr, "Incorrect aspect ratio specification.\n");
2974         return AVERROR(EINVAL);
2975     }
2976     frame_aspect_ratio = ar;
2977     return 0;
2978 }
2979
2980 static int opt_metadata(const char *opt, const char *arg)
2981 {
2982     char *mid= strchr(arg, '=');
2983
2984     if(!mid){
2985         fprintf(stderr, "Missing =\n");
2986         ffmpeg_exit(1);
2987     }
2988     *mid++= 0;
2989
2990     av_dict_set(&metadata, arg, mid, 0);
2991
2992     return 0;
2993 }
2994
2995 static int opt_qscale(const char *opt, const char *arg)
2996 {
2997     video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2998     if (video_qscale <= 0 || video_qscale > 255) {
2999         fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
3000         return AVERROR(EINVAL);
3001     }
3002     return 0;
3003 }
3004
3005 static int opt_top_field_first(const char *opt, const char *arg)
3006 {
3007     top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
3008     opt_default(opt, arg);
3009     return 0;
3010 }
3011
3012 static int opt_thread_count(const char *opt, const char *arg)
3013 {
3014     thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3015 #if !HAVE_THREADS
3016     if (verbose >= 0)
3017         fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3018 #endif
3019     return 0;
3020 }
3021
3022 static int opt_audio_sample_fmt(const char *opt, const char *arg)
3023 {
3024     if (strcmp(arg, "list")) {
3025         audio_sample_fmt = av_get_sample_fmt(arg);
3026         if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
3027             av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
3028             return AVERROR(EINVAL);
3029         }
3030     } else {
3031         int i;
3032         char fmt_str[128];
3033         for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
3034             printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
3035         ffmpeg_exit(0);
3036     }
3037     return 0;
3038 }
3039
3040 static int opt_audio_rate(const char *opt, const char *arg)
3041 {
3042     audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3043     return 0;
3044 }
3045
3046 static int opt_audio_channels(const char *opt, const char *arg)
3047 {
3048     audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3049     return 0;
3050 }
3051
3052 static int opt_video_channel(const char *opt, const char *arg)
3053 {
3054     video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3055     return 0;
3056 }
3057
3058 static int opt_video_standard(const char *opt, const char *arg)
3059 {
3060     video_standard = av_strdup(arg);
3061     return 0;
3062 }
3063
3064 static int opt_codec(const char *opt, const char *arg)
3065 {
3066     int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
3067
3068     if      (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy;    pcodec_name = &audio_codec_name;    codec_type = AVMEDIA_TYPE_AUDIO;    }
3069     else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy;    pcodec_name = &video_codec_name;    codec_type = AVMEDIA_TYPE_VIDEO;    }
3070     else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
3071     else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy;     pcodec_name = &data_codec_name;     codec_type = AVMEDIA_TYPE_DATA;     }
3072
3073     av_freep(pcodec_name);
3074     if (!strcmp(arg, "copy")) {
3075         *pstream_copy = 1;
3076     } else {
3077         *pcodec_name = av_strdup(arg);
3078     }
3079     return 0;
3080 }
3081
3082 static int opt_codec_tag(const char *opt, const char *arg)
3083 {
3084     char *tail;
3085     uint32_t *codec_tag;
3086
3087     codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3088                 !strcmp(opt, "vtag") ? &video_codec_tag :
3089                 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3090     if (!codec_tag)
3091         return -1;
3092
3093     *codec_tag = strtol(arg, &tail, 0);
3094     if (!tail || *tail)
3095         *codec_tag = AV_RL32(arg);
3096
3097     return 0;
3098 }
3099
3100 static int opt_map(const char *opt, const char *arg)
3101 {
3102     StreamMap *m;
3103     char *p;
3104
3105     stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3106     m = &stream_maps[nb_stream_maps-1];
3107
3108     m->file_index = strtol(arg, &p, 0);
3109     if (*p)
3110         p++;
3111
3112     m->stream_index = strtol(p, &p, 0);
3113     if (*p) {
3114         p++;
3115         m->sync_file_index = strtol(p, &p, 0);
3116         if (*p)
3117             p++;
3118         m->sync_stream_index = strtol(p, &p, 0);
3119     } else {
3120         m->sync_file_index = m->file_index;
3121         m->sync_stream_index = m->stream_index;
3122     }
3123     return 0;
3124 }
3125
3126 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3127 {
3128     *endptr = arg;
3129     if (*arg == ',') {
3130         *type = *(++arg);
3131         switch (*arg) {
3132         case 'g':
3133             break;
3134         case 's':
3135         case 'c':
3136         case 'p':
3137             *index = strtol(++arg, endptr, 0);
3138             break;
3139         default:
3140             fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3141             ffmpeg_exit(1);
3142         }
3143     } else
3144         *type = 'g';
3145 }
3146
3147 static int opt_map_metadata(const char *opt, const char *arg)
3148 {
3149     MetadataMap *m, *m1;
3150     char *p;
3151
3152     meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3153                                 &nb_meta_data_maps, nb_meta_data_maps + 1);
3154
3155     m = &meta_data_maps[nb_meta_data_maps - 1][0];
3156     m->file = strtol(arg, &p, 0);
3157     parse_meta_type(p, &m->type, &m->index, &p);
3158     if (*p)
3159         p++;
3160
3161     m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3162     m1->file = strtol(p, &p, 0);
3163     parse_meta_type(p, &m1->type, &m1->index, &p);
3164
3165     if (m->type == 'g' || m1->type == 'g')
3166         metadata_global_autocopy = 0;
3167     if (m->type == 's' || m1->type == 's')
3168         metadata_streams_autocopy = 0;
3169     if (m->type == 'c' || m1->type == 'c')
3170         metadata_chapters_autocopy = 0;
3171
3172     return 0;
3173 }
3174
3175 static int opt_map_meta_data(const char *opt, const char *arg)
3176 {
3177     fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3178                     "Use -map_metadata instead.\n");
3179     return opt_map_metadata(opt, arg);
3180 }
3181
3182 static int opt_map_chapters(const char *opt, const char *arg)
3183 {
3184     ChapterMap *c;
3185     char *p;
3186
3187     chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3188                               nb_chapter_maps + 1);
3189     c = &chapter_maps[nb_chapter_maps - 1];
3190     c->out_file = strtol(arg, &p, 0);
3191     if (*p)
3192         p++;
3193
3194     c->in_file = strtol(p, &p, 0);
3195     return 0;
3196 }
3197
3198 static int opt_input_ts_scale(const char *opt, const char *arg)
3199 {
3200     unsigned int stream;
3201     double scale;
3202     char *p;
3203
3204     stream = strtol(arg, &p, 0);
3205     if (*p)
3206         p++;
3207     scale= strtod(p, &p);
3208
3209     ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
3210     ts_scale[stream] = scale;
3211     return 0;
3212 }
3213
3214 static int opt_recording_time(const char *opt, const char *arg)
3215 {
3216     recording_time = parse_time_or_die(opt, arg, 1);
3217     return 0;
3218 }
3219
3220 static int opt_start_time(const char *opt, const char *arg)
3221 {
3222     start_time = parse_time_or_die(opt, arg, 1);
3223     return 0;
3224 }
3225
3226 static int opt_recording_timestamp(const char *opt, const char *arg)
3227 {
3228     char buf[128];
3229     int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3230     struct tm time = *gmtime((time_t*)&recording_timestamp);
3231     strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3232     opt_metadata("metadata", buf);
3233
3234     av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3235                                  "tag instead.\n", opt);
3236     return 0;
3237 }
3238
3239 static int opt_input_ts_offset(const char *opt, const char *arg)
3240 {
3241     input_ts_offset = parse_time_or_die(opt, arg, 1);
3242     return 0;
3243 }
3244
3245 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3246 {
3247     const char *codec_string = encoder ? "encoder" : "decoder";
3248     AVCodec *codec;
3249
3250     if(!name)
3251         return CODEC_ID_NONE;
3252     codec = encoder ?
3253         avcodec_find_encoder_by_name(name) :
3254         avcodec_find_decoder_by_name(name);
3255     if(!codec) {
3256         fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3257         ffmpeg_exit(1);
3258     }
3259     if(codec->type != type) {
3260         fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3261         ffmpeg_exit(1);
3262     }
3263     if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3264        strict > FF_COMPLIANCE_EXPERIMENTAL) {
3265         fprintf(stderr, "%s '%s' is experimental and might produce bad "
3266                 "results.\nAdd '-strict experimental' if you want to use it.\n",
3267                 codec_string, codec->name);
3268         codec = encoder ?
3269             avcodec_find_encoder(codec->id) :
3270             avcodec_find_decoder(codec->id);
3271         if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3272             fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3273                     codec_string, codec->name);
3274         ffmpeg_exit(1);
3275     }
3276     return codec->id;
3277 }
3278
3279 static int opt_input_file(const char *opt, const char *filename)
3280 {
3281     AVFormatContext *ic;
3282     AVInputFormat *file_iformat = NULL;
3283     int err, i, ret, rfps, rfps_base;
3284     int64_t timestamp;
3285     uint8_t buf[128];
3286
3287     if (last_asked_format) {
3288         if (!(file_iformat = av_find_input_format(last_asked_format))) {
3289             fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3290             ffmpeg_exit(1);
3291         }
3292         last_asked_format = NULL;
3293     }
3294
3295     if (!strcmp(filename, "-"))
3296         filename = "pipe:";
3297
3298     using_stdin |= !strncmp(filename, "pipe:", 5) ||
3299                     !strcmp(filename, "/dev/stdin");
3300
3301     /* get default parameters from command line */
3302     ic = avformat_alloc_context();
3303     if (!ic) {
3304         print_error(filename, AVERROR(ENOMEM));
3305         ffmpeg_exit(1);
3306     }
3307     if (audio_sample_rate) {
3308         snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3309         av_dict_set(&format_opts, "sample_rate", buf, 0);
3310     }
3311     if (audio_channels) {
3312         snprintf(buf, sizeof(buf), "%d", audio_channels);
3313         av_dict_set(&format_opts, "channels", buf, 0);
3314     }
3315     if (frame_rate.num) {
3316         snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3317         av_dict_set(&format_opts, "framerate", buf, 0);
3318     }
3319     if (frame_width && frame_height) {
3320         snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3321         av_dict_set(&format_opts, "video_size", buf, 0);
3322     }
3323     if (frame_pix_fmt != PIX_FMT_NONE)
3324         av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3325
3326     ic->video_codec_id   =
3327         find_codec_or_die(video_codec_name   , AVMEDIA_TYPE_VIDEO   , 0,
3328                           avcodec_opts[AVMEDIA_TYPE_VIDEO   ]->strict_std_compliance);
3329     ic->audio_codec_id   =
3330         find_codec_or_die(audio_codec_name   , AVMEDIA_TYPE_AUDIO   , 0,
3331                           avcodec_opts[AVMEDIA_TYPE_AUDIO   ]->strict_std_compliance);
3332     ic->subtitle_codec_id=
3333         find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3334                           avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3335     ic->flags |= AVFMT_FLAG_NONBLOCK;
3336
3337     /* open the input file with generic libav function */
3338     err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3339     if (err < 0) {
3340         print_error(filename, err);
3341         ffmpeg_exit(1);
3342     }
3343     assert_avoptions(format_opts);
3344
3345     if(opt_programid) {
3346         int i, j;
3347         int found=0;
3348         for(i=0; i<ic->nb_streams; i++){
3349             ic->streams[i]->discard= AVDISCARD_ALL;
3350         }
3351         for(i=0; i<ic->nb_programs; i++){
3352             AVProgram *p= ic->programs[i];
3353             if(p->id != opt_programid){
3354                 p->discard = AVDISCARD_ALL;
3355             }else{
3356                 found=1;
3357                 for(j=0; j<p->nb_stream_indexes; j++){
3358                     ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3359                 }
3360             }
3361         }
3362         if(!found){
3363             fprintf(stderr, "Specified program id not found\n");
3364             ffmpeg_exit(1);
3365         }
3366         opt_programid=0;
3367     }
3368
3369     if (loop_input) {
3370         av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3371         ic->loop_input = loop_input;
3372     }
3373
3374     /* If not enough info to get the stream parameters, we decode the
3375        first frames to get it. (used in mpeg case for example) */
3376     ret = av_find_stream_info(ic);
3377     if (ret < 0 && verbose >= 0) {
3378         fprintf(stderr, "%s: could not find codec parameters\n", filename);
3379         av_close_input_file(ic);
3380         ffmpeg_exit(1);
3381     }
3382
3383     timestamp = start_time;
3384     /* add the stream start time */
3385     if (ic->start_time != AV_NOPTS_VALUE)
3386         timestamp += ic->start_time;
3387
3388     /* if seeking requested, we execute it */
3389     if (start_time != 0) {
3390         ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3391         if (ret < 0) {
3392             fprintf(stderr, "%s: could not seek to position %0.3f\n",
3393                     filename, (double)timestamp / AV_TIME_BASE);
3394         }
3395         /* reset seek info */
3396         start_time = 0;
3397     }
3398
3399     /* update the current parameters so that they match the one of the input stream */
3400     for(i=0;i<ic->nb_streams;i++) {
3401         AVStream *st = ic->streams[i];
3402         AVCodecContext *dec = st->codec;
3403         InputStream *ist;
3404
3405         dec->thread_count = thread_count;
3406
3407         input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3408         ist = &input_streams[nb_input_streams - 1];
3409         ist->st = st;
3410         ist->file_index = nb_input_files;
3411         ist->discard = 1;
3412
3413         if (i < nb_ts_scale)
3414             ist->ts_scale = ts_scale[i];
3415
3416         switch (dec->codec_type) {
3417         case AVMEDIA_TYPE_AUDIO:
3418             ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3419             if(!ist->dec)
3420                 ist->dec = avcodec_find_decoder(dec->codec_id);
3421             set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
3422             if(audio_disable)
3423                 st->discard= AVDISCARD_ALL;
3424             break;
3425         case AVMEDIA_TYPE_VIDEO:
3426             ist->dec= avcodec_find_decoder_by_name(video_codec_name);
3427             if(!ist->dec)
3428                 ist->dec = avcodec_find_decoder(dec->codec_id);
3429             set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
3430             rfps      = ic->streams[i]->r_frame_rate.num;
3431             rfps_base = ic->streams[i]->r_frame_rate.den;
3432             if (dec->lowres) {
3433                 dec->flags |= CODEC_FLAG_EMU_EDGE;
3434                 dec->height >>= dec->lowres;
3435                 dec->width  >>= dec->lowres;
3436             }
3437             if(me_threshold)
3438                 dec->debug |= FF_DEBUG_MV;
3439
3440             if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3441
3442                 if (verbose >= 0)
3443                     fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3444                             i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3445
3446                     (float)rfps / rfps_base, rfps, rfps_base);
3447             }
3448
3449             if(video_disable)
3450                 st->discard= AVDISCARD_ALL;
3451             else if(video_discard)
3452                 st->discard= video_discard;
3453             break;
3454         case AVMEDIA_TYPE_DATA:
3455             break;
3456         case AVMEDIA_TYPE_SUBTITLE:
3457             ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3458             if(!ist->dec)
3459                 ist->dec = avcodec_find_decoder(dec->codec_id);
3460             if(subtitle_disable)
3461                 st->discard = AVDISCARD_ALL;
3462             break;
3463         case AVMEDIA_TYPE_ATTACHMENT:
3464         case AVMEDIA_TYPE_UNKNOWN:
3465             break;
3466         default:
3467             abort();
3468         }
3469     }
3470
3471     /* dump the file content */
3472     if (verbose >= 0)
3473         av_dump_format(ic, nb_input_files, filename, 0);
3474
3475     input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3476     input_files[nb_input_files - 1].ctx        = ic;
3477     input_files[nb_input_files - 1].ist_index  = nb_input_streams - ic->nb_streams;
3478     input_files[nb_input_files - 1].ts_offset  = input_ts_offset - (copy_ts ? 0 : timestamp);
3479
3480     top_field_first = -1;
3481     video_channel = 0;
3482     frame_rate    = (AVRational){0, 0};
3483     frame_pix_fmt = PIX_FMT_NONE;
3484     frame_height = 0;
3485     frame_width  = 0;
3486     audio_sample_rate = 0;
3487     audio_channels    = 0;
3488     audio_sample_fmt  = AV_SAMPLE_FMT_NONE;
3489     av_freep(&ts_scale);
3490     nb_ts_scale = 0;
3491
3492     av_freep(&video_codec_name);
3493     av_freep(&audio_codec_name);
3494     av_freep(&subtitle_codec_name);
3495     uninit_opts();
3496     init_opts();
3497     return 0;
3498 }
3499
3500 static void check_inputs(int *has_video_ptr,
3501                          int *has_audio_ptr,
3502                          int *has_subtitle_ptr,
3503                          int *has_data_ptr)
3504 {
3505     int has_video, has_audio, has_subtitle, has_data, i, j;
3506     AVFormatContext *ic;
3507
3508     has_video = 0;
3509     has_audio = 0;
3510     has_subtitle = 0;
3511     has_data = 0;
3512
3513     for(j=0;j<nb_input_files;j++) {
3514         ic = input_files[j].ctx;
3515         for(i=0;i<ic->nb_streams;i++) {
3516             AVCodecContext *enc = ic->streams[i]->codec;
3517             switch(enc->codec_type) {
3518             case AVMEDIA_TYPE_AUDIO:
3519                 has_audio = 1;
3520                 break;
3521             case AVMEDIA_TYPE_VIDEO:
3522                 has_video = 1;
3523                 break;
3524             case AVMEDIA_TYPE_SUBTITLE:
3525                 has_subtitle = 1;
3526                 break;
3527             case AVMEDIA_TYPE_DATA:
3528             case AVMEDIA_TYPE_ATTACHMENT:
3529             case AVMEDIA_TYPE_UNKNOWN:
3530                 has_data = 1;
3531                 break;
3532             default:
3533                 abort();
3534             }
3535         }
3536     }
3537     *has_video_ptr = has_video;
3538     *has_audio_ptr = has_audio;
3539     *has_subtitle_ptr = has_subtitle;
3540     *has_data_ptr = has_data;
3541 }
3542
3543 static void new_video_stream(AVFormatContext *oc, int file_idx)
3544 {
3545     AVStream *st;
3546     OutputStream *ost;
3547     AVCodecContext *video_enc;
3548     enum CodecID codec_id = CODEC_ID_NONE;
3549     AVCodec *codec= NULL;
3550
3551     if(!video_stream_copy){
3552         if (video_codec_name) {
3553             codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3554                                          avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3555             codec = avcodec_find_encoder_by_name(video_codec_name);
3556         } else {
3557             codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3558             codec = avcodec_find_encoder(codec_id);
3559         }
3560     }
3561
3562     ost = new_output_stream(oc, file_idx, codec);
3563     st  = ost->st;
3564     if (!video_stream_copy) {
3565         ost->frame_aspect_ratio = frame_aspect_ratio;
3566         frame_aspect_ratio = 0;
3567 #if CONFIG_AVFILTER
3568         ost->avfilter = vfilters;
3569         vfilters = NULL;
3570 #endif
3571     }
3572
3573     ost->bitstream_filters = video_bitstream_filters;
3574     video_bitstream_filters= NULL;
3575
3576     st->codec->thread_count= thread_count;
3577
3578     video_enc = st->codec;
3579
3580     if(video_codec_tag)
3581         video_enc->codec_tag= video_codec_tag;
3582
3583     if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3584         video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3585         avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3586     }
3587
3588     if (video_stream_copy) {
3589         st->stream_copy = 1;
3590         video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3591         video_enc->sample_aspect_ratio =
3592         st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3593     } else {
3594         const char *p;
3595         int i;
3596
3597         if (frame_rate.num)
3598             ost->frame_rate = frame_rate;
3599         video_enc->codec_id = codec_id;
3600         set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3601
3602         video_enc->width = frame_width;
3603         video_enc->height = frame_height;
3604         video_enc->pix_fmt = frame_pix_fmt;
3605         video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3606         st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3607
3608         if (intra_only)
3609             video_enc->gop_size = 0;
3610         if (video_qscale || same_quality) {
3611             video_enc->flags |= CODEC_FLAG_QSCALE;
3612             video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3613         }
3614
3615         if(intra_matrix)
3616             video_enc->intra_matrix = intra_matrix;
3617         if(inter_matrix)
3618             video_enc->inter_matrix = inter_matrix;
3619
3620         p= video_rc_override_string;
3621         for(i=0; p; i++){
3622             int start, end, q;
3623             int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3624             if(e!=3){
3625                 fprintf(stderr, "error parsing rc_override\n");
3626                 ffmpeg_exit(1);