3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
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"
49 #include "libavformat/ffm.h" // not public API
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"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
97 int sync_stream_index;
101 * select an input file for an output file
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
109 typedef struct ChapterMap {
114 static const OptionDef options[];
116 #define MAX_FILES 100
117 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
119 static const char *last_asked_format = NULL;
120 static double *input_files_ts_scale[MAX_FILES] = {NULL};
121 static int nb_input_files_ts_scale[MAX_FILES] = {0};
123 static AVFormatContext *output_files[MAX_FILES];
124 static int nb_output_files = 0;
126 static StreamMap *stream_maps = NULL;
127 static int nb_stream_maps;
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;
136 static ChapterMap *chapter_maps = NULL;
137 static int nb_chapter_maps;
139 /* indexed by output file stream index */
140 static int *streamid_map = NULL;
141 static int nb_streamid_map = 0;
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;
169 static char *vfilters = NULL;
172 static int intra_only = 0;
173 static int audio_sample_rate = 0;
174 static int64_t channel_layout = 0;
175 #define QSCALE_NONE -99999
176 static float audio_qscale = QSCALE_NONE;
177 static int audio_disable = 0;
178 static int audio_channels = 0;
179 static char *audio_codec_name = NULL;
180 static unsigned int audio_codec_tag = 0;
181 static char *audio_language = NULL;
183 static int subtitle_disable = 0;
184 static char *subtitle_codec_name = NULL;
185 static char *subtitle_language = NULL;
186 static unsigned int subtitle_codec_tag = 0;
188 static int data_disable = 0;
189 static char *data_codec_name = NULL;
190 static unsigned int data_codec_tag = 0;
192 static float mux_preload= 0.5;
193 static float mux_max_delay= 0.7;
195 static int64_t recording_time = INT64_MAX;
196 static int64_t start_time = 0;
197 static int64_t recording_timestamp = 0;
198 static int64_t input_ts_offset = 0;
199 static int file_overwrite = 0;
200 static AVDictionary *metadata;
201 static int do_benchmark = 0;
202 static int do_hex_dump = 0;
203 static int do_pkt_dump = 0;
204 static int do_psnr = 0;
205 static int do_pass = 0;
206 static const char *pass_logfilename_prefix;
207 static int audio_stream_copy = 0;
208 static int video_stream_copy = 0;
209 static int subtitle_stream_copy = 0;
210 static int data_stream_copy = 0;
211 static int video_sync_method= -1;
212 static int audio_sync_method= 0;
213 static float audio_drift_threshold= 0.1;
214 static int copy_ts= 0;
215 static int copy_tb= 0;
216 static int opt_shortest = 0;
217 static char *vstats_filename;
218 static FILE *vstats_file;
219 static int opt_programid = 0;
220 static int copy_initial_nonkeyframes = 0;
222 static int rate_emu = 0;
224 static int video_channel = 0;
225 static char *video_standard;
227 static int audio_volume = 256;
229 static int exit_on_error = 0;
230 static int using_stdin = 0;
231 static int verbose = 1;
232 static int run_as_daemon = 0;
233 static int thread_count= 1;
234 static int q_pressed = 0;
235 static int64_t video_size = 0;
236 static int64_t audio_size = 0;
237 static int64_t extra_size = 0;
238 static int nb_frames_dup = 0;
239 static int nb_frames_drop = 0;
240 static int input_sync;
241 static uint64_t limit_filesize = 0;
242 static int force_fps = 0;
243 static char *forced_key_frames = NULL;
245 static float dts_delta_threshold = 10;
247 static int64_t timer_start;
249 static uint8_t *audio_buf;
250 static uint8_t *audio_out;
251 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
253 static short *samples;
255 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
256 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
257 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
259 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
263 typedef struct OutputStream {
264 int file_index; /* file index */
265 int index; /* stream index in the output file */
266 int source_index; /* InputStream index */
267 AVStream *st; /* stream in the output file */
268 int encoding_needed; /* true if encoding needed for this stream */
270 /* input pts and corresponding output pts
272 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
273 struct InputStream *sync_ist; /* input stream to sync against */
274 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
275 AVBitStreamFilterContext *bitstream_filters;
280 AVFrame resample_frame; /* temporary frame for image resampling */
281 struct SwsContext *img_resample_ctx; /* for image resampling */
284 int resample_pix_fmt;
285 AVRational frame_rate;
287 float frame_aspect_ratio;
289 /* forced key frames */
290 int64_t *forced_kf_pts;
296 ReSampleContext *resample; /* for audio resampling */
297 int resample_sample_fmt;
298 int resample_channels;
299 int resample_sample_rate;
301 AVAudioConvert *reformat_ctx;
302 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
306 AVFilterContext *output_video_filter;
307 AVFilterContext *input_video_filter;
308 AVFilterBufferRef *picref;
310 AVFilterGraph *graph;
316 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
317 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
319 typedef struct InputStream {
322 int discard; /* true if stream data should be discarded */
323 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
326 int64_t start; /* time when read started */
327 int64_t next_pts; /* synthetic pts for cases where pkt.pts
329 int64_t pts; /* current pts */
330 int is_start; /* is 1 at the start and after a discontinuity */
331 int showed_multi_packet_warning;
332 int is_past_recording_time;
335 typedef struct InputFile {
336 AVFormatContext *ctx;
337 int eof_reached; /* true if eof reached */
338 int ist_index; /* index of first stream in ist_table */
339 int buffer_size; /* current total buffer size */
345 /* init terminal so that we can grab keys */
346 static struct termios oldtty;
349 static InputStream *input_streams = NULL;
350 static int nb_input_streams = 0;
351 static InputFile *input_files = NULL;
352 static int nb_input_files = 0;
356 static int configure_video_filters(InputStream *ist, OutputStream *ost)
358 AVFilterContext *last_filter, *filter;
359 /** filter graph containing all filters including input & output */
360 AVCodecContext *codec = ost->st->codec;
361 AVCodecContext *icodec = ist->st->codec;
362 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
363 AVRational sample_aspect_ratio;
367 ost->graph = avfilter_graph_alloc();
369 if (ist->st->sample_aspect_ratio.num){
370 sample_aspect_ratio = ist->st->sample_aspect_ratio;
372 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
374 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
375 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
376 sample_aspect_ratio.num, sample_aspect_ratio.den);
378 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
379 "src", args, NULL, ost->graph);
382 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
383 "out", NULL, pix_fmts, ost->graph);
386 last_filter = ost->input_video_filter;
388 if (codec->width != icodec->width || codec->height != icodec->height) {
389 snprintf(args, 255, "%d:%d:flags=0x%X",
393 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
394 NULL, args, NULL, ost->graph)) < 0)
396 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
398 last_filter = filter;
401 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
402 ost->graph->scale_sws_opts = av_strdup(args);
405 AVFilterInOut *outputs = avfilter_inout_alloc();
406 AVFilterInOut *inputs = avfilter_inout_alloc();
408 outputs->name = av_strdup("in");
409 outputs->filter_ctx = last_filter;
410 outputs->pad_idx = 0;
411 outputs->next = NULL;
413 inputs->name = av_strdup("out");
414 inputs->filter_ctx = ost->output_video_filter;
418 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
420 av_freep(&ost->avfilter);
422 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
426 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
429 codec->width = ost->output_video_filter->inputs[0]->w;
430 codec->height = ost->output_video_filter->inputs[0]->h;
431 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
432 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
433 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
434 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
438 #endif /* CONFIG_AVFILTER */
440 static void term_exit(void)
442 av_log(NULL, AV_LOG_QUIET, "%s", "");
445 tcsetattr (0, TCSANOW, &oldtty);
449 static volatile int received_sigterm = 0;
452 sigterm_handler(int sig)
454 received_sigterm = sig;
459 static void term_init(void)
469 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
470 |INLCR|IGNCR|ICRNL|IXON);
471 tty.c_oflag |= OPOST;
472 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
473 tty.c_cflag &= ~(CSIZE|PARENB);
478 tcsetattr (0, TCSANOW, &tty);
479 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
483 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
484 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
486 signal(SIGXCPU, sigterm_handler);
490 /* read a key without blocking */
491 static int read_key(void)
506 n = select(1, &rfds, NULL, NULL, &tv);
521 static int decode_interrupt_cb(void)
523 q_pressed += read_key() == 'q';
524 return q_pressed > 1;
527 static int ffmpeg_exit(int ret)
532 for(i=0;i<nb_output_files;i++) {
533 AVFormatContext *s = output_files[i];
534 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
536 avformat_free_context(s);
537 av_free(output_streams_for_file[i]);
539 for(i=0;i<nb_input_files;i++) {
540 av_close_input_file(input_files[i].ctx);
541 av_free(input_files_ts_scale[i]);
544 av_free(intra_matrix);
545 av_free(inter_matrix);
549 av_free(vstats_filename);
551 av_free(streamid_map);
552 av_free(stream_maps);
553 av_free(meta_data_maps);
555 av_freep(&input_streams);
556 av_freep(&input_files);
558 av_free(video_codec_name);
559 av_free(audio_codec_name);
560 av_free(subtitle_codec_name);
561 av_free(data_codec_name);
563 av_free(video_standard);
568 allocated_audio_buf_size= allocated_audio_out_size= 0;
575 if (received_sigterm) {
577 "Received signal %d: terminating.\n",
578 (int) received_sigterm);
582 exit(ret); /* not all OS-es handle main() return value */
586 /* similar to ff_dynarray_add() and av_fast_realloc() */
587 static void *grow_array(void *array, int elem_size, int *size, int new_size)
589 if (new_size >= INT_MAX / elem_size) {
590 fprintf(stderr, "Array too big.\n");
593 if (*size < new_size) {
594 uint8_t *tmp = av_realloc(array, new_size*elem_size);
596 fprintf(stderr, "Could not alloc buffer.\n");
599 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
606 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
608 if(codec && codec->sample_fmts){
609 const enum AVSampleFormat *p= codec->sample_fmts;
611 if(*p == st->codec->sample_fmt)
615 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
616 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
617 av_log(NULL, AV_LOG_WARNING,
618 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
619 av_get_sample_fmt_name(st->codec->sample_fmt),
621 av_get_sample_fmt_name(codec->sample_fmts[0]));
622 st->codec->sample_fmt = codec->sample_fmts[0];
627 static void choose_sample_rate(AVStream *st, AVCodec *codec)
629 if(codec && codec->supported_samplerates){
630 const int *p= codec->supported_samplerates;
632 int best_dist=INT_MAX;
634 int dist= abs(st->codec->sample_rate - *p);
635 if(dist < best_dist){
641 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
643 st->codec->sample_rate= best;
647 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
649 if(codec && codec->pix_fmts){
650 const enum PixelFormat *p= codec->pix_fmts;
651 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
652 if(st->codec->codec_id==CODEC_ID_MJPEG){
653 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
654 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
655 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};
659 if(*p == st->codec->pix_fmt)
663 if(st->codec->pix_fmt != PIX_FMT_NONE)
664 av_log(NULL, AV_LOG_WARNING,
665 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
666 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
668 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
669 st->codec->pix_fmt = codec->pix_fmts[0];
674 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
676 int idx = oc->nb_streams - 1;
679 output_streams_for_file[file_idx] =
680 grow_array(output_streams_for_file[file_idx],
681 sizeof(*output_streams_for_file[file_idx]),
682 &nb_output_streams_for_file[file_idx],
684 ost = output_streams_for_file[file_idx][idx] =
685 av_mallocz(sizeof(OutputStream));
687 fprintf(stderr, "Could not alloc output stream\n");
690 ost->file_index = file_idx;
693 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
697 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
703 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
706 /* copy stream format */
708 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
709 for(i=0;i<ic->nb_streams;i++) {
715 // FIXME: a more elegant solution is needed
716 st = av_mallocz(sizeof(AVStream));
717 memcpy(st, ic->streams[i], sizeof(AVStream));
718 st->info = av_malloc(sizeof(*st->info));
719 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
720 st->codec = avcodec_alloc_context();
722 print_error(filename, AVERROR(ENOMEM));
725 avcodec_copy_context(st->codec, ic->streams[i]->codec);
728 codec = avcodec_find_encoder(st->codec->codec_id);
729 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
730 if (audio_stream_copy) {
733 choose_sample_fmt(st, codec);
734 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
735 if (video_stream_copy) {
738 choose_pixel_fmt(st, codec);
741 if(st->codec->flags & CODEC_FLAG_BITEXACT)
744 new_output_stream(s, nb_output_files);
748 s->timestamp = av_gettime();
750 av_close_input_file(ic);
755 get_sync_ipts(const OutputStream *ost)
757 const InputStream *ist = ost->sync_ist;
758 return (double)(ist->pts - start_time)/AV_TIME_BASE;
761 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
765 AVPacket new_pkt= *pkt;
766 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
767 &new_pkt.data, &new_pkt.size,
768 pkt->data, pkt->size,
769 pkt->flags & AV_PKT_FLAG_KEY);
772 new_pkt.destruct= av_destruct_packet;
774 fprintf(stderr, "%s failed for stream %d, codec %s",
775 bsfc->filter->name, pkt->stream_index,
776 avctx->codec ? avctx->codec->name : "copy");
786 ret= av_interleaved_write_frame(s, pkt);
788 print_error("av_interleaved_write_frame()", ret);
793 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
795 static void do_audio_out(AVFormatContext *s,
798 unsigned char *buf, int size)
801 int64_t audio_out_size, audio_buf_size;
802 int64_t allocated_for_size= size;
804 int size_out, frame_bytes, ret, resample_changed;
805 AVCodecContext *enc= ost->st->codec;
806 AVCodecContext *dec= ist->st->codec;
807 int osize = av_get_bytes_per_sample(enc->sample_fmt);
808 int isize = av_get_bytes_per_sample(dec->sample_fmt);
809 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
812 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
813 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
814 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
815 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
816 audio_buf_size*= osize*enc->channels;
818 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
819 if(coded_bps > 8*osize)
820 audio_out_size= audio_out_size * coded_bps / (8*osize);
821 audio_out_size += FF_MIN_BUFFER_SIZE;
823 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
824 fprintf(stderr, "Buffer sizes too large\n");
828 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
829 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
830 if (!audio_buf || !audio_out){
831 fprintf(stderr, "Out of memory in do_audio_out\n");
835 if (enc->channels != dec->channels)
836 ost->audio_resample = 1;
838 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
839 ost->resample_channels != dec->channels ||
840 ost->resample_sample_rate != dec->sample_rate;
842 if ((ost->audio_resample && !ost->resample) || resample_changed) {
843 if (resample_changed) {
844 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",
845 ist->file_index, ist->st->index,
846 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
847 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
848 ost->resample_sample_fmt = dec->sample_fmt;
849 ost->resample_channels = dec->channels;
850 ost->resample_sample_rate = dec->sample_rate;
852 audio_resample_close(ost->resample);
854 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
855 if (audio_sync_method <= 1 &&
856 ost->resample_sample_fmt == enc->sample_fmt &&
857 ost->resample_channels == enc->channels &&
858 ost->resample_sample_rate == enc->sample_rate) {
859 ost->resample = NULL;
860 ost->audio_resample = 0;
862 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
863 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
864 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
865 enc->sample_rate, dec->sample_rate,
866 enc->sample_fmt, dec->sample_fmt,
868 if (!ost->resample) {
869 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
870 dec->channels, dec->sample_rate,
871 enc->channels, enc->sample_rate);
877 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
878 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
879 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
880 if (ost->reformat_ctx)
881 av_audio_convert_free(ost->reformat_ctx);
882 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
883 dec->sample_fmt, 1, NULL, 0);
884 if (!ost->reformat_ctx) {
885 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
886 av_get_sample_fmt_name(dec->sample_fmt),
887 av_get_sample_fmt_name(enc->sample_fmt));
890 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
893 if(audio_sync_method){
894 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
895 - av_fifo_size(ost->fifo)/(enc->channels * 2);
896 double idelta= delta*dec->sample_rate / enc->sample_rate;
897 int byte_delta= ((int)idelta)*2*dec->channels;
899 //FIXME resample delay
900 if(fabs(delta) > 50){
901 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
903 byte_delta= FFMAX(byte_delta, -size);
907 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
912 static uint8_t *input_tmp= NULL;
913 input_tmp= av_realloc(input_tmp, byte_delta + size);
915 if(byte_delta > allocated_for_size - size){
916 allocated_for_size= byte_delta + (int64_t)size;
921 memset(input_tmp, 0, byte_delta);
922 memcpy(input_tmp + byte_delta, buf, size);
926 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
928 }else if(audio_sync_method>1){
929 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
930 av_assert0(ost->audio_resample);
932 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
933 // 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));
934 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
938 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
939 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
941 if (ost->audio_resample) {
943 size_out = audio_resample(ost->resample,
944 (short *)buftmp, (short *)buf,
945 size / (dec->channels * isize));
946 size_out = size_out * enc->channels * osize;
952 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
953 const void *ibuf[6]= {buftmp};
954 void *obuf[6]= {audio_buf};
955 int istride[6]= {isize};
956 int ostride[6]= {osize};
957 int len= size_out/istride[0];
958 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
959 printf("av_audio_convert() failed\n");
965 size_out = len*osize;
968 /* now encode as many frames as possible */
969 if (enc->frame_size > 1) {
970 /* output resampled raw samples */
971 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
972 fprintf(stderr, "av_fifo_realloc2() failed\n");
975 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
977 frame_bytes = enc->frame_size * osize * enc->channels;
979 while (av_fifo_size(ost->fifo) >= frame_bytes) {
981 av_init_packet(&pkt);
983 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
985 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
987 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
990 fprintf(stderr, "Audio encoding failed\n");
994 pkt.stream_index= ost->index;
997 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
998 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
999 pkt.flags |= AV_PKT_FLAG_KEY;
1000 write_frame(s, &pkt, enc, ost->bitstream_filters);
1002 ost->sync_opts += enc->frame_size;
1006 av_init_packet(&pkt);
1008 ost->sync_opts += size_out / (osize * enc->channels);
1010 /* output a pcm frame */
1011 /* determine the size of the coded buffer */
1014 size_out = size_out*coded_bps/8;
1016 if(size_out > audio_out_size){
1017 fprintf(stderr, "Internal error, buffer size too small\n");
1021 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1022 ret = avcodec_encode_audio(enc, audio_out, size_out,
1025 fprintf(stderr, "Audio encoding failed\n");
1029 pkt.stream_index= ost->index;
1030 pkt.data= audio_out;
1032 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1033 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1034 pkt.flags |= AV_PKT_FLAG_KEY;
1035 write_frame(s, &pkt, enc, ost->bitstream_filters);
1039 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1041 AVCodecContext *dec;
1042 AVPicture *picture2;
1043 AVPicture picture_tmp;
1046 dec = ist->st->codec;
1048 /* deinterlace : must be done before any resize */
1049 if (do_deinterlace) {
1052 /* create temporary picture */
1053 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1054 buf = av_malloc(size);
1058 picture2 = &picture_tmp;
1059 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1061 if(avpicture_deinterlace(picture2, picture,
1062 dec->pix_fmt, dec->width, dec->height) < 0) {
1063 /* if error, do not deinterlace */
1064 fprintf(stderr, "Deinterlacing failed\n");
1073 if (picture != picture2)
1074 *picture = *picture2;
1078 /* we begin to correct av delay at this threshold */
1079 #define AV_DELAY_MAX 0.100
1081 static void do_subtitle_out(AVFormatContext *s,
1087 static uint8_t *subtitle_out = NULL;
1088 int subtitle_out_max_size = 1024 * 1024;
1089 int subtitle_out_size, nb, i;
1090 AVCodecContext *enc;
1093 if (pts == AV_NOPTS_VALUE) {
1094 fprintf(stderr, "Subtitle packets must have a pts\n");
1100 enc = ost->st->codec;
1102 if (!subtitle_out) {
1103 subtitle_out = av_malloc(subtitle_out_max_size);
1106 /* Note: DVB subtitle need one packet to draw them and one other
1107 packet to clear them */
1108 /* XXX: signal it in the codec context ? */
1109 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1114 for(i = 0; i < nb; i++) {
1115 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1116 // start_display_time is required to be 0
1117 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1118 sub->end_display_time -= sub->start_display_time;
1119 sub->start_display_time = 0;
1120 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1121 subtitle_out_max_size, sub);
1122 if (subtitle_out_size < 0) {
1123 fprintf(stderr, "Subtitle encoding failed\n");
1127 av_init_packet(&pkt);
1128 pkt.stream_index = ost->index;
1129 pkt.data = subtitle_out;
1130 pkt.size = subtitle_out_size;
1131 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1132 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1133 /* XXX: the pts correction is handled here. Maybe handling
1134 it in the codec would be better */
1136 pkt.pts += 90 * sub->start_display_time;
1138 pkt.pts += 90 * sub->end_display_time;
1140 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1144 static int bit_buffer_size= 1024*256;
1145 static uint8_t *bit_buffer= NULL;
1147 static void do_video_out(AVFormatContext *s,
1150 AVFrame *in_picture,
1151 int *frame_size, float quality)
1153 int nb_frames, i, ret, av_unused resample_changed;
1154 AVFrame *final_picture, *formatted_picture;
1155 AVCodecContext *enc, *dec;
1158 enc = ost->st->codec;
1159 dec = ist->st->codec;
1161 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1163 /* by default, we output a single frame */
1168 if(video_sync_method){
1169 double vdelta = sync_ipts - ost->sync_opts;
1170 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1173 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1176 }else if(vdelta>0.6)
1177 ost->sync_opts= lrintf(sync_ipts);
1178 }else if (vdelta > 1.1)
1179 nb_frames = lrintf(vdelta);
1180 //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);
1181 if (nb_frames == 0){
1184 fprintf(stderr, "*** drop!\n");
1185 }else if (nb_frames > 1) {
1186 nb_frames_dup += nb_frames - 1;
1188 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1191 ost->sync_opts= lrintf(sync_ipts);
1193 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1197 formatted_picture = in_picture;
1198 final_picture = formatted_picture;
1200 #if !CONFIG_AVFILTER
1201 resample_changed = ost->resample_width != dec->width ||
1202 ost->resample_height != dec->height ||
1203 ost->resample_pix_fmt != dec->pix_fmt;
1205 if (resample_changed) {
1206 av_log(NULL, AV_LOG_INFO,
1207 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1208 ist->file_index, ist->st->index,
1209 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1210 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1211 ost->resample_width = dec->width;
1212 ost->resample_height = dec->height;
1213 ost->resample_pix_fmt = dec->pix_fmt;
1216 ost->video_resample = dec->width != enc->width ||
1217 dec->height != enc->height ||
1218 dec->pix_fmt != enc->pix_fmt;
1220 if (ost->video_resample) {
1221 final_picture = &ost->resample_frame;
1222 if (!ost->img_resample_ctx || resample_changed) {
1223 /* initialize the destination picture */
1224 if (!ost->resample_frame.data[0]) {
1225 avcodec_get_frame_defaults(&ost->resample_frame);
1226 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1227 enc->width, enc->height)) {
1228 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1232 /* initialize a new scaler context */
1233 sws_freeContext(ost->img_resample_ctx);
1234 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1235 enc->width, enc->height, enc->pix_fmt,
1236 ost->sws_flags, NULL, NULL, NULL);
1237 if (ost->img_resample_ctx == NULL) {
1238 fprintf(stderr, "Cannot get resampling context\n");
1242 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1243 0, ost->resample_height, final_picture->data, final_picture->linesize);
1247 /* duplicates frame if needed */
1248 for(i=0;i<nb_frames;i++) {
1250 av_init_packet(&pkt);
1251 pkt.stream_index= ost->index;
1253 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1254 /* raw pictures are written as AVPicture structure to
1255 avoid any copies. We support temorarily the older
1257 AVFrame* old_frame = enc->coded_frame;
1258 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1259 pkt.data= (uint8_t *)final_picture;
1260 pkt.size= sizeof(AVPicture);
1261 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1262 pkt.flags |= AV_PKT_FLAG_KEY;
1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1265 enc->coded_frame = old_frame;
1267 AVFrame big_picture;
1269 big_picture= *final_picture;
1270 /* better than nothing: use input picture interlaced
1272 big_picture.interlaced_frame = in_picture->interlaced_frame;
1273 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1274 if(top_field_first == -1)
1275 big_picture.top_field_first = in_picture->top_field_first;
1277 big_picture.top_field_first = top_field_first;
1280 /* handles sameq here. This is not correct because it may
1281 not be a global option */
1282 big_picture.quality = quality;
1284 big_picture.pict_type = 0;
1285 // big_picture.pts = AV_NOPTS_VALUE;
1286 big_picture.pts= ost->sync_opts;
1287 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1288 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1289 if (ost->forced_kf_index < ost->forced_kf_count &&
1290 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1291 big_picture.pict_type = AV_PICTURE_TYPE_I;
1292 ost->forced_kf_index++;
1294 ret = avcodec_encode_video(enc,
1295 bit_buffer, bit_buffer_size,
1298 fprintf(stderr, "Video encoding failed\n");
1303 pkt.data= bit_buffer;
1305 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1306 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1307 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1308 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1309 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1311 if(enc->coded_frame->key_frame)
1312 pkt.flags |= AV_PKT_FLAG_KEY;
1313 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1316 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1317 // enc->frame_number-1, ret, enc->pict_type);
1318 /* if two pass, output log */
1319 if (ost->logfile && enc->stats_out) {
1320 fprintf(ost->logfile, "%s", enc->stats_out);
1325 ost->frame_number++;
1329 static double psnr(double d){
1330 return -10.0*log(d)/log(10.0);
1333 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1336 AVCodecContext *enc;
1338 double ti1, bitrate, avg_bitrate;
1340 /* this is executed just the first time do_video_stats is called */
1342 vstats_file = fopen(vstats_filename, "w");
1349 enc = ost->st->codec;
1350 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 frame_number = ost->frame_number;
1352 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1353 if (enc->flags&CODEC_FLAG_PSNR)
1354 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1356 fprintf(vstats_file,"f_size= %6d ", frame_size);
1357 /* compute pts value */
1358 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1362 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1363 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1364 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1365 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1366 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1370 static void print_report(AVFormatContext **output_files,
1371 OutputStream **ost_table, int nb_ostreams,
1376 AVFormatContext *oc;
1378 AVCodecContext *enc;
1379 int frame_number, vid, i;
1381 int64_t pts = INT64_MAX;
1382 static int64_t last_time = -1;
1383 static int qp_histogram[52];
1385 if (!is_last_report) {
1387 /* display the report every 0.5 seconds */
1388 cur_time = av_gettime();
1389 if (last_time == -1) {
1390 last_time = cur_time;
1393 if ((cur_time - last_time) < 500000)
1395 last_time = cur_time;
1399 oc = output_files[0];
1401 total_size = avio_size(oc->pb);
1402 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1403 total_size= avio_tell(oc->pb);
1407 for(i=0;i<nb_ostreams;i++) {
1410 enc = ost->st->codec;
1411 if (!ost->st->stream_copy && enc->coded_frame)
1412 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1413 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1416 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 float t = (av_gettime()-timer_start) / 1000000.0;
1419 frame_number = ost->frame_number;
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1421 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1427 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1432 if (enc->flags&CODEC_FLAG_PSNR){
1434 double error, error_sum=0;
1435 double scale, scale_sum=0;
1436 char type[3]= {'Y','U','V'};
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1440 error= enc->error[j];
1441 scale= enc->width*enc->height*255.0*255.0*frame_number;
1443 error= enc->coded_frame->error[j];
1444 scale= enc->width*enc->height*255.0*255.0;
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1451 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1455 /* compute min output value */
1456 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1457 ost->st->time_base, AV_TIME_BASE_Q));
1460 if (verbose > 0 || is_last_report) {
1461 int hours, mins, secs, us;
1462 secs = pts / AV_TIME_BASE;
1463 us = pts % AV_TIME_BASE;
1469 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1471 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1472 "size=%8.0fkB time=", total_size / 1024.0);
1473 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1474 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1475 (100 * us) / AV_TIME_BASE);
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1477 "bitrate=%6.1fkbits/s", bitrate);
1479 if (nb_frames_dup || nb_frames_drop)
1480 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1481 nb_frames_dup, nb_frames_drop);
1484 fprintf(stderr, "%s \r", buf);
1489 if (is_last_report && verbose >= 0){
1490 int64_t raw= audio_size + video_size + extra_size;
1491 fprintf(stderr, "\n");
1492 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1496 100.0*(total_size - raw)/raw
1501 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1503 int fill_char = 0x00;
1504 if (sample_fmt == AV_SAMPLE_FMT_U8)
1506 memset(buf, fill_char, size);
1509 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1510 static int output_packet(InputStream *ist, int ist_index,
1511 OutputStream **ost_table, int nb_ostreams,
1512 const AVPacket *pkt)
1514 AVFormatContext *os;
1519 void *buffer_to_free = NULL;
1520 static unsigned int samples_size= 0;
1521 AVSubtitle subtitle, *subtitle_to_free;
1522 int64_t pkt_pts = AV_NOPTS_VALUE;
1524 int frame_available;
1529 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1531 if(ist->next_pts == AV_NOPTS_VALUE)
1532 ist->next_pts= ist->pts;
1536 av_init_packet(&avpkt);
1544 if(pkt->dts != AV_NOPTS_VALUE)
1545 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1546 if(pkt->pts != AV_NOPTS_VALUE)
1547 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1549 //while we have more to decode or while the decoder did output something on EOF
1550 while (avpkt.size > 0 || (!pkt && got_output)) {
1551 uint8_t *data_buf, *decoded_data_buf;
1552 int data_size, decoded_data_size;
1554 ist->pts= ist->next_pts;
1556 if(avpkt.size && avpkt.size != pkt->size &&
1557 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1558 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1559 ist->showed_multi_packet_warning=1;
1562 /* decode the packet if needed */
1563 decoded_data_buf = NULL; /* fail safe */
1564 decoded_data_size= 0;
1565 data_buf = avpkt.data;
1566 data_size = avpkt.size;
1567 subtitle_to_free = NULL;
1568 if (ist->decoding_needed) {
1569 switch(ist->st->codec->codec_type) {
1570 case AVMEDIA_TYPE_AUDIO:{
1571 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1572 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1574 samples= av_malloc(samples_size);
1576 decoded_data_size= samples_size;
1577 /* XXX: could avoid copy if PCM 16 bits with same
1578 endianness as CPU */
1579 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1586 got_output = decoded_data_size > 0;
1587 /* Some bug in mpeg audio decoder gives */
1588 /* decoded_data_size < 0, it seems they are overflows */
1590 /* no audio frame */
1593 decoded_data_buf = (uint8_t *)samples;
1594 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1595 (ist->st->codec->sample_rate * ist->st->codec->channels);
1597 case AVMEDIA_TYPE_VIDEO:
1598 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1599 /* XXX: allocate picture correctly */
1600 avcodec_get_frame_defaults(&picture);
1601 avpkt.pts = pkt_pts;
1602 avpkt.dts = ist->pts;
1603 pkt_pts = AV_NOPTS_VALUE;
1605 ret = avcodec_decode_video2(ist->st->codec,
1606 &picture, &got_output, &avpkt);
1607 quality = same_quality ? picture.quality : 0;
1611 /* no picture yet */
1612 goto discard_packet;
1614 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1615 if (ist->st->codec->time_base.num != 0) {
1616 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1617 ist->next_pts += ((int64_t)AV_TIME_BASE *
1618 ist->st->codec->time_base.num * ticks) /
1619 ist->st->codec->time_base.den;
1622 buffer_to_free = NULL;
1623 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1625 case AVMEDIA_TYPE_SUBTITLE:
1626 ret = avcodec_decode_subtitle2(ist->st->codec,
1627 &subtitle, &got_output, &avpkt);
1631 goto discard_packet;
1633 subtitle_to_free = &subtitle;
1640 switch(ist->st->codec->codec_type) {
1641 case AVMEDIA_TYPE_AUDIO:
1642 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1643 ist->st->codec->sample_rate;
1645 case AVMEDIA_TYPE_VIDEO:
1646 if (ist->st->codec->time_base.num != 0) {
1647 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1648 ist->next_pts += ((int64_t)AV_TIME_BASE *
1649 ist->st->codec->time_base.num * ticks) /
1650 ist->st->codec->time_base.den;
1659 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1660 if (start_time == 0 || ist->pts >= start_time) {
1661 for(i=0;i<nb_ostreams;i++) {
1663 if (ost->input_video_filter && ost->source_index == ist_index) {
1664 if (!picture.sample_aspect_ratio.num)
1665 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1666 picture.pts = ist->pts;
1668 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1674 // preprocess audio (volume)
1675 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1676 if (audio_volume != 256) {
1679 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1680 int v = ((*volp) * audio_volume + 128) >> 8;
1681 if (v < -32768) v = -32768;
1682 if (v > 32767) v = 32767;
1688 /* frame rate emulation */
1690 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1691 int64_t now = av_gettime() - ist->start;
1695 /* if output time reached then transcode raw format,
1696 encode packets and output them */
1697 if (start_time == 0 || ist->pts >= start_time)
1698 for(i=0;i<nb_ostreams;i++) {
1702 if (ost->source_index == ist_index) {
1704 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1705 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1706 while (frame_available) {
1707 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1708 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1709 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1712 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1713 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1717 os = output_files[ost->file_index];
1719 /* set the input output pts pairs */
1720 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1722 if (ost->encoding_needed) {
1723 av_assert0(ist->decoding_needed);
1724 switch(ost->st->codec->codec_type) {
1725 case AVMEDIA_TYPE_AUDIO:
1726 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1728 case AVMEDIA_TYPE_VIDEO:
1730 if (ost->picref->video && !ost->frame_aspect_ratio)
1731 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1733 do_video_out(os, ost, ist, &picture, &frame_size,
1734 same_quality ? quality : ost->st->codec->global_quality);
1735 if (vstats_filename && frame_size)
1736 do_video_stats(os, ost, frame_size);
1738 case AVMEDIA_TYPE_SUBTITLE:
1739 do_subtitle_out(os, ost, ist, &subtitle,
1746 AVFrame avframe; //FIXME/XXX remove this
1749 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1751 av_init_packet(&opkt);
1753 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1754 #if !CONFIG_AVFILTER
1760 /* no reencoding needed : output the packet directly */
1761 /* force the input stream PTS */
1763 avcodec_get_frame_defaults(&avframe);
1764 ost->st->codec->coded_frame= &avframe;
1765 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1767 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1768 audio_size += data_size;
1769 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1770 video_size += data_size;
1774 opkt.stream_index= ost->index;
1775 if(pkt->pts != AV_NOPTS_VALUE)
1776 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1778 opkt.pts= AV_NOPTS_VALUE;
1780 if (pkt->dts == AV_NOPTS_VALUE)
1781 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1783 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1784 opkt.dts -= ost_tb_start_time;
1786 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1787 opkt.flags= pkt->flags;
1789 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1790 if( ost->st->codec->codec_id != CODEC_ID_H264
1791 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1792 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1794 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1795 opkt.destruct= av_destruct_packet;
1797 opkt.data = data_buf;
1798 opkt.size = data_size;
1801 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1802 /* store AVPicture in AVPacket, as expected by the output format */
1803 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1804 opkt.data = (uint8_t *)&pict;
1805 opkt.size = sizeof(AVPicture);
1806 opkt.flags |= AV_PKT_FLAG_KEY;
1808 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1809 ost->st->codec->frame_number++;
1810 ost->frame_number++;
1811 av_free_packet(&opkt);
1815 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1816 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1817 avfilter_unref_buffer(ost->picref);
1823 av_free(buffer_to_free);
1824 /* XXX: allocate the subtitles in the codec ? */
1825 if (subtitle_to_free) {
1826 avsubtitle_free(subtitle_to_free);
1827 subtitle_to_free = NULL;
1834 for(i=0;i<nb_ostreams;i++) {
1836 if (ost->source_index == ist_index) {
1837 AVCodecContext *enc= ost->st->codec;
1838 os = output_files[ost->file_index];
1840 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1842 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1845 if (ost->encoding_needed) {
1849 av_init_packet(&pkt);
1850 pkt.stream_index= ost->index;
1852 switch(ost->st->codec->codec_type) {
1853 case AVMEDIA_TYPE_AUDIO:
1854 fifo_bytes = av_fifo_size(ost->fifo);
1856 /* encode any samples remaining in fifo */
1857 if (fifo_bytes > 0) {
1858 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1859 int fs_tmp = enc->frame_size;
1861 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1862 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1863 enc->frame_size = fifo_bytes / (osize * enc->channels);
1865 int frame_bytes = enc->frame_size*osize*enc->channels;
1866 if (allocated_audio_buf_size < frame_bytes)
1868 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1871 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1872 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1873 ost->st->time_base.num, enc->sample_rate);
1874 enc->frame_size = fs_tmp;
1877 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1880 fprintf(stderr, "Audio encoding failed\n");
1884 pkt.flags |= AV_PKT_FLAG_KEY;
1886 case AVMEDIA_TYPE_VIDEO:
1887 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1889 fprintf(stderr, "Video encoding failed\n");
1893 if(enc->coded_frame && enc->coded_frame->key_frame)
1894 pkt.flags |= AV_PKT_FLAG_KEY;
1895 if (ost->logfile && enc->stats_out) {
1896 fprintf(ost->logfile, "%s", enc->stats_out);
1905 pkt.data= bit_buffer;
1907 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1908 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1909 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1921 static void print_sdp(AVFormatContext **avc, int n)
1925 av_sdp_create(avc, n, sdp, sizeof(sdp));
1926 printf("SDP:\n%s\n", sdp);
1930 static int copy_chapters(int infile, int outfile)
1932 AVFormatContext *is = input_files[infile].ctx;
1933 AVFormatContext *os = output_files[outfile];
1936 for (i = 0; i < is->nb_chapters; i++) {
1937 AVChapter *in_ch = is->chapters[i], *out_ch;
1938 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1939 AV_TIME_BASE_Q, in_ch->time_base);
1940 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1941 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1944 if (in_ch->end < ts_off)
1946 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1949 out_ch = av_mallocz(sizeof(AVChapter));
1951 return AVERROR(ENOMEM);
1953 out_ch->id = in_ch->id;
1954 out_ch->time_base = in_ch->time_base;
1955 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1956 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1958 if (metadata_chapters_autocopy)
1959 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1962 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1964 return AVERROR(ENOMEM);
1965 os->chapters[os->nb_chapters - 1] = out_ch;
1970 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1971 AVCodecContext *avctx)
1977 for (p = kf; *p; p++)
1980 ost->forced_kf_count = n;
1981 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1982 if (!ost->forced_kf_pts) {
1983 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1986 for (i = 0; i < n; i++) {
1987 p = i ? strchr(p, ',') + 1 : kf;
1988 t = parse_time_or_die("force_key_frames", p, 1);
1989 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1994 * The following code is the main loop of the file converter
1996 static int transcode(AVFormatContext **output_files,
1997 int nb_output_files,
1998 InputFile *input_files,
2000 StreamMap *stream_maps, int nb_stream_maps)
2002 int ret = 0, i, j, k, n, nb_ostreams = 0, step;
2004 AVFormatContext *is, *os;
2005 AVCodecContext *codec, *icodec;
2006 OutputStream *ost, **ost_table = NULL;
2011 uint8_t no_packet[MAX_FILES]={0};
2012 int no_packet_count=0;
2013 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
2014 int nb_streams[AVMEDIA_TYPE_NB]={0};
2017 for (i = 0; i < nb_input_streams; i++)
2018 input_streams[i].start = av_gettime();
2020 /* output stream init */
2022 for(i=0;i<nb_output_files;i++) {
2023 os = output_files[i];
2024 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2025 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2026 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2027 ret = AVERROR(EINVAL);
2030 nb_ostreams += os->nb_streams;
2032 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2033 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2034 ret = AVERROR(EINVAL);
2038 /* Sanity check the mapping args -- do the input files & streams exist? */
2039 for(i=0;i<nb_stream_maps;i++) {
2040 int fi = stream_maps[i].file_index;
2041 int si = stream_maps[i].stream_index;
2043 if (fi < 0 || fi > nb_input_files - 1 ||
2044 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2045 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2046 ret = AVERROR(EINVAL);
2049 fi = stream_maps[i].sync_file_index;
2050 si = stream_maps[i].sync_stream_index;
2051 if (fi < 0 || fi > nb_input_files - 1 ||
2052 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2053 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2054 ret = AVERROR(EINVAL);
2059 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
2063 for(k=0;k<nb_output_files;k++) {
2064 os = output_files[k];
2065 for(i=0;i<os->nb_streams;i++,n++) {
2066 nb_streams[os->streams[i]->codec->codec_type]++;
2069 for(step=1<<30; step; step>>=1){
2070 int found_streams[AVMEDIA_TYPE_NB]={0};
2071 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2072 nb_frame_threshold[j] += step;
2074 for(j=0; j<nb_input_streams; j++) {
2076 ist = &input_streams[j];
2079 AVFormatContext *f= input_files[ ist->file_index ].ctx;
2081 for(pi=0; pi<f->nb_programs; pi++){
2082 AVProgram *p= f->programs[pi];
2083 if(p->id == opt_programid)
2084 for(si=0; si<p->nb_stream_indexes; si++){
2085 if(f->streams[ p->stream_index[si] ] == ist->st)
2090 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2091 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2092 found_streams[ist->st->codec->codec_type]++;
2095 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2096 if(found_streams[j] < nb_streams[j])
2097 nb_frame_threshold[j] -= step;
2100 for(k=0;k<nb_output_files;k++) {
2101 os = output_files[k];
2102 for(i=0;i<os->nb_streams;i++,n++) {
2104 ost = ost_table[n] = output_streams_for_file[k][i];
2105 ost->st = os->streams[i];
2106 if (nb_stream_maps > 0) {
2107 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2108 stream_maps[n].stream_index;
2110 /* Sanity check that the stream types match */
2111 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2112 int i= ost->file_index;
2113 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2114 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2115 stream_maps[n].file_index, stream_maps[n].stream_index,
2116 ost->file_index, ost->index);
2121 /* get corresponding input stream index : we select the first one with the right type */
2123 for (j = 0; j < nb_input_streams; j++) {
2125 ist = &input_streams[j];
2128 AVFormatContext *f = input_files[ist->file_index].ctx;
2130 for(pi=0; pi<f->nb_programs; pi++){
2131 AVProgram *p= f->programs[pi];
2132 if(p->id == opt_programid)
2133 for(si=0; si<p->nb_stream_indexes; si++){
2134 if(f->streams[ p->stream_index[si] ] == ist->st)
2139 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2140 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2141 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2142 ost->source_index = j;
2149 if(! opt_programid) {
2150 /* try again and reuse existing stream */
2151 for (j = 0; j < nb_input_streams; j++) {
2152 ist = &input_streams[j];
2153 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2154 && ist->st->discard != AVDISCARD_ALL) {
2155 ost->source_index = j;
2161 int i= ost->file_index;
2162 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2163 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2164 ost->file_index, ost->index);
2169 ist = &input_streams[ost->source_index];
2171 ost->sync_ist = (nb_stream_maps > 0) ?
2172 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2173 stream_maps[n].sync_stream_index] : ist;
2177 /* for each output stream, we compute the right encoding parameters */
2178 for(i=0;i<nb_ostreams;i++) {
2180 os = output_files[ost->file_index];
2181 ist = &input_streams[ost->source_index];
2183 codec = ost->st->codec;
2184 icodec = ist->st->codec;
2186 if (metadata_streams_autocopy)
2187 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2188 AV_DICT_DONT_OVERWRITE);
2190 ost->st->disposition = ist->st->disposition;
2191 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2192 codec->chroma_sample_location = icodec->chroma_sample_location;
2194 if (ost->st->stream_copy) {
2195 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2197 if (extra_size > INT_MAX)
2200 /* if stream_copy is selected, no need to decode or encode */
2201 codec->codec_id = icodec->codec_id;
2202 codec->codec_type = icodec->codec_type;
2204 if(!codec->codec_tag){
2205 if( !os->oformat->codec_tag
2206 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2207 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2208 codec->codec_tag = icodec->codec_tag;
2211 codec->bit_rate = icodec->bit_rate;
2212 codec->rc_max_rate = icodec->rc_max_rate;
2213 codec->rc_buffer_size = icodec->rc_buffer_size;
2214 codec->extradata= av_mallocz(extra_size);
2215 if (!codec->extradata)
2217 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2218 codec->extradata_size= icodec->extradata_size;
2219 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){
2220 codec->time_base = icodec->time_base;
2221 codec->time_base.num *= icodec->ticks_per_frame;
2222 av_reduce(&codec->time_base.num, &codec->time_base.den,
2223 codec->time_base.num, codec->time_base.den, INT_MAX);
2225 codec->time_base = ist->st->time_base;
2226 switch(codec->codec_type) {
2227 case AVMEDIA_TYPE_AUDIO:
2228 if(audio_volume != 256) {
2229 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2232 codec->channel_layout = icodec->channel_layout;
2233 codec->sample_rate = icodec->sample_rate;
2234 codec->channels = icodec->channels;
2235 codec->frame_size = icodec->frame_size;
2236 codec->audio_service_type = icodec->audio_service_type;
2237 codec->block_align= icodec->block_align;
2238 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2239 codec->block_align= 0;
2240 if(codec->codec_id == CODEC_ID_AC3)
2241 codec->block_align= 0;
2243 case AVMEDIA_TYPE_VIDEO:
2244 codec->pix_fmt = icodec->pix_fmt;
2245 codec->width = icodec->width;
2246 codec->height = icodec->height;
2247 codec->has_b_frames = icodec->has_b_frames;
2248 if (!codec->sample_aspect_ratio.num) {
2249 codec->sample_aspect_ratio =
2250 ost->st->sample_aspect_ratio =
2251 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2252 ist->st->codec->sample_aspect_ratio.num ?
2253 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2256 case AVMEDIA_TYPE_SUBTITLE:
2257 codec->width = icodec->width;
2258 codec->height = icodec->height;
2260 case AVMEDIA_TYPE_DATA:
2267 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2268 switch(codec->codec_type) {
2269 case AVMEDIA_TYPE_AUDIO:
2270 ost->fifo= av_fifo_alloc(1024);
2273 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2274 if (!codec->sample_rate) {
2275 codec->sample_rate = icodec->sample_rate;
2277 codec->sample_rate >>= icodec->lowres;
2279 choose_sample_rate(ost->st, ost->enc);
2280 codec->time_base = (AVRational){1, codec->sample_rate};
2281 if (!codec->channels) {
2282 codec->channels = icodec->channels;
2283 codec->channel_layout = icodec->channel_layout;
2285 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2286 codec->channel_layout = 0;
2287 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2288 icodec->request_channels = codec->channels;
2289 ist->decoding_needed = 1;
2290 ost->encoding_needed = 1;
2291 ost->resample_sample_fmt = icodec->sample_fmt;
2292 ost->resample_sample_rate = icodec->sample_rate;
2293 ost->resample_channels = icodec->channels;
2295 case AVMEDIA_TYPE_VIDEO:
2296 if (codec->pix_fmt == PIX_FMT_NONE)
2297 codec->pix_fmt = icodec->pix_fmt;
2298 choose_pixel_fmt(ost->st, ost->enc);
2300 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2301 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2304 ost->video_resample = codec->width != icodec->width ||
2305 codec->height != icodec->height ||
2306 codec->pix_fmt != icodec->pix_fmt;
2307 if (ost->video_resample) {
2308 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2310 if (!codec->width || !codec->height) {
2311 codec->width = icodec->width;
2312 codec->height = icodec->height;
2314 ost->resample_height = icodec->height;
2315 ost->resample_width = icodec->width;
2316 ost->resample_pix_fmt= icodec->pix_fmt;
2317 ost->encoding_needed = 1;
2318 ist->decoding_needed = 1;
2320 if (!ost->frame_rate.num)
2321 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2322 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2323 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2324 ost->frame_rate = ost->enc->supported_framerates[idx];
2326 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2327 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2328 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2329 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2330 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2334 if (configure_video_filters(ist, ost)) {
2335 fprintf(stderr, "Error opening filters!\n");
2340 case AVMEDIA_TYPE_SUBTITLE:
2341 ost->encoding_needed = 1;
2342 ist->decoding_needed = 1;
2349 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2350 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2351 char logfilename[1024];
2354 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2355 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2357 if (codec->flags & CODEC_FLAG_PASS1) {
2358 f = fopen(logfilename, "wb");
2360 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2366 size_t logbuffer_size;
2367 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2368 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2371 codec->stats_in = logbuffer;
2375 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2376 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2377 int size= codec->width * codec->height;
2378 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2383 bit_buffer = av_malloc(bit_buffer_size);
2385 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2387 ret = AVERROR(ENOMEM);
2391 /* open each encoder */
2392 for(i=0;i<nb_ostreams;i++) {
2394 if (ost->encoding_needed) {
2395 AVCodec *codec = ost->enc;
2396 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2398 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2399 ost->st->codec->codec_id, ost->file_index, ost->index);
2400 ret = AVERROR(EINVAL);
2403 if (dec->subtitle_header) {
2404 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2405 if (!ost->st->codec->subtitle_header) {
2406 ret = AVERROR(ENOMEM);
2409 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2410 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2412 if (avcodec_open(ost->st->codec, codec) < 0) {
2413 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2414 ost->file_index, ost->index);
2415 ret = AVERROR(EINVAL);
2418 extra_size += ost->st->codec->extradata_size;
2422 /* open each decoder */
2423 for (i = 0; i < nb_input_streams; i++) {
2424 ist = &input_streams[i];
2425 if (ist->decoding_needed) {
2426 AVCodec *codec = ist->dec;
2428 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2430 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2431 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2432 ret = AVERROR(EINVAL);
2435 if (avcodec_open(ist->st->codec, codec) < 0) {
2436 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2437 ist->file_index, ist->st->index);
2438 ret = AVERROR(EINVAL);
2441 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2442 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2447 for (i = 0; i < nb_input_streams; i++) {
2449 ist = &input_streams[i];
2451 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2452 ist->next_pts = AV_NOPTS_VALUE;
2456 /* set meta data information from input file if required */
2457 for (i=0;i<nb_meta_data_maps;i++) {
2458 AVFormatContext *files[2];
2459 AVDictionary **meta[2];
2462 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2463 if ((index) < 0 || (index) >= (nb_elems)) {\
2464 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2466 ret = AVERROR(EINVAL);\
2470 int out_file_index = meta_data_maps[i][0].file;
2471 int in_file_index = meta_data_maps[i][1].file;
2472 if (in_file_index < 0 || out_file_index < 0)
2474 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2475 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2477 files[0] = output_files[out_file_index];
2478 files[1] = input_files[in_file_index].ctx;
2480 for (j = 0; j < 2; j++) {
2481 MetadataMap *map = &meta_data_maps[i][j];
2483 switch (map->type) {
2485 meta[j] = &files[j]->metadata;
2488 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2489 meta[j] = &files[j]->streams[map->index]->metadata;
2492 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2493 meta[j] = &files[j]->chapters[map->index]->metadata;
2496 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2497 meta[j] = &files[j]->programs[map->index]->metadata;
2502 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2505 /* copy global metadata by default */
2506 if (metadata_global_autocopy) {
2508 for (i = 0; i < nb_output_files; i++)
2509 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2510 AV_DICT_DONT_OVERWRITE);
2513 /* copy chapters according to chapter maps */
2514 for (i = 0; i < nb_chapter_maps; i++) {
2515 int infile = chapter_maps[i].in_file;
2516 int outfile = chapter_maps[i].out_file;
2518 if (infile < 0 || outfile < 0)
2520 if (infile >= nb_input_files) {
2521 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2522 ret = AVERROR(EINVAL);
2525 if (outfile >= nb_output_files) {
2526 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2527 ret = AVERROR(EINVAL);
2530 copy_chapters(infile, outfile);
2533 /* copy chapters from the first input file that has them*/
2534 if (!nb_chapter_maps)
2535 for (i = 0; i < nb_input_files; i++) {
2536 if (!input_files[i].ctx->nb_chapters)
2539 for (j = 0; j < nb_output_files; j++)
2540 if ((ret = copy_chapters(i, j)) < 0)
2545 /* open files and write file headers */
2546 for(i=0;i<nb_output_files;i++) {
2547 os = output_files[i];
2548 if (av_write_header(os) < 0) {
2549 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2550 ret = AVERROR(EINVAL);
2553 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2559 /* dump the file output parameters - cannot be done before in case
2561 for(i=0;i<nb_output_files;i++) {
2562 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2565 /* dump the stream mapping */
2567 fprintf(stderr, "Stream mapping:\n");
2568 for(i=0;i<nb_ostreams;i++) {
2570 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2571 input_streams[ost->source_index].file_index,
2572 input_streams[ost->source_index].st->index,
2575 if (ost->sync_ist != &input_streams[ost->source_index])
2576 fprintf(stderr, " [sync #%d.%d]",
2577 ost->sync_ist->file_index,
2578 ost->sync_ist->st->index);
2579 fprintf(stderr, "\n");
2584 fprintf(stderr, "%s\n", error);
2589 print_sdp(output_files, nb_output_files);
2594 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2595 avio_set_interrupt_cb(decode_interrupt_cb);
2599 timer_start = av_gettime();
2601 for(; received_sigterm == 0;) {
2602 int file_index, ist_index;
2610 /* if 'q' pressed, exits */
2614 /* read_key() returns 0 on EOF */
2618 if (key == '+') verbose++;
2619 if (key == '-') verbose--;
2620 if (key == 's') qp_hist ^= 1;
2623 do_hex_dump = do_pkt_dump = 0;
2624 } else if(do_pkt_dump){
2628 av_log_set_level(AV_LOG_DEBUG);
2630 if (key == 'd' || key == 'D'){
2633 debug = input_streams[0].st->codec->debug<<1;
2634 if(!debug) debug = 1;
2635 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2638 scanf("%d", &debug);
2639 for(i=0;i<nb_input_streams;i++) {
2640 input_streams[i].st->codec->debug = debug;
2642 for(i=0;i<nb_ostreams;i++) {
2644 ost->st->codec->debug = debug;
2646 if(debug) av_log_set_level(AV_LOG_DEBUG);
2647 fprintf(stderr,"debug=%d\n", debug);
2650 fprintf(stderr, "key function\n"
2651 "? show this help\n"
2652 "+ increase verbosity\n"
2653 "- decrease verbosity\n"
2654 "D cycle through available debug modes\n"
2655 "h dump packets/hex press to cycle through the 3 states\n"
2657 "s Show QP histogram\n"
2662 /* select the stream that we must read now by looking at the
2663 smallest output pts */
2665 for(i=0;i<nb_ostreams;i++) {
2668 os = output_files[ost->file_index];
2669 ist = &input_streams[ost->source_index];
2670 if(ist->is_past_recording_time || no_packet[ist->file_index])
2672 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2673 ipts = (double)ist->pts;
2674 if (!input_files[ist->file_index].eof_reached){
2675 if(ipts < ipts_min) {
2677 if(input_sync ) file_index = ist->file_index;
2679 if(opts < opts_min) {
2681 if(!input_sync) file_index = ist->file_index;
2684 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2689 /* if none, if is finished */
2690 if (file_index < 0) {
2691 if(no_packet_count){
2693 memset(no_packet, 0, sizeof(no_packet));
2700 /* finish if limit size exhausted */
2701 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2704 /* read a frame from it and output it in the fifo */
2705 is = input_files[file_index].ctx;
2706 ret= av_read_frame(is, &pkt);
2707 if(ret == AVERROR(EAGAIN)){
2708 no_packet[file_index]=1;
2713 input_files[file_index].eof_reached = 1;
2721 memset(no_packet, 0, sizeof(no_packet));
2724 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2725 is->streams[pkt.stream_index]);
2727 /* the following test is needed in case new streams appear
2728 dynamically in stream : we ignore them */
2729 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2730 goto discard_packet;
2731 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2732 ist = &input_streams[ist_index];
2734 goto discard_packet;
2736 if (pkt.dts != AV_NOPTS_VALUE)
2737 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2738 if (pkt.pts != AV_NOPTS_VALUE)
2739 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2741 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2742 && input_files_ts_scale[file_index][pkt.stream_index]){
2743 if(pkt.pts != AV_NOPTS_VALUE)
2744 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2745 if(pkt.dts != AV_NOPTS_VALUE)
2746 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2749 // 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);
2750 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2751 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2752 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2753 int64_t delta= pkt_dts - ist->next_pts;
2754 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2755 input_files[ist->file_index].ts_offset -= delta;
2757 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2758 delta, input_files[ist->file_index].ts_offset);
2759 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2760 if(pkt.pts != AV_NOPTS_VALUE)
2761 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2765 /* finish if recording time exhausted */
2766 if (recording_time != INT64_MAX &&
2767 (pkt.pts != AV_NOPTS_VALUE ?
2768 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2770 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2772 ist->is_past_recording_time = 1;
2773 goto discard_packet;
2776 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2777 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2780 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2781 ist->file_index, ist->st->index);
2784 av_free_packet(&pkt);
2789 av_free_packet(&pkt);
2791 /* dump report by using the output first video and audio streams */
2792 print_report(output_files, ost_table, nb_ostreams, 0);
2795 /* at the end of stream, we must flush the decoder buffers */
2796 for (i = 0; i < nb_input_streams; i++) {
2797 ist = &input_streams[i];
2798 if (ist->decoding_needed) {
2799 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2805 /* write the trailer if needed and close file */
2806 for(i=0;i<nb_output_files;i++) {
2807 os = output_files[i];
2808 av_write_trailer(os);
2811 /* dump report by using the first video and audio streams */
2812 print_report(output_files, ost_table, nb_ostreams, 1);
2814 /* close each encoder */
2815 for(i=0;i<nb_ostreams;i++) {
2817 if (ost->encoding_needed) {
2818 av_freep(&ost->st->codec->stats_in);
2819 avcodec_close(ost->st->codec);
2822 avfilter_graph_free(&ost->graph);
2826 /* close each decoder */
2827 for (i = 0; i < nb_input_streams; i++) {
2828 ist = &input_streams[i];
2829 if (ist->decoding_needed) {
2830 avcodec_close(ist->st->codec);
2838 av_freep(&bit_buffer);
2841 for(i=0;i<nb_ostreams;i++) {
2844 if (ost->st->stream_copy)
2845 av_freep(&ost->st->codec->extradata);
2847 fclose(ost->logfile);
2848 ost->logfile = NULL;
2850 av_fifo_free(ost->fifo); /* works even if fifo is not
2851 initialized but set to zero */
2852 av_freep(&ost->st->codec->subtitle_header);
2853 av_free(ost->resample_frame.data[0]);
2854 av_free(ost->forced_kf_pts);
2855 if (ost->video_resample)
2856 sws_freeContext(ost->img_resample_ctx);
2858 audio_resample_close(ost->resample);
2859 if (ost->reformat_ctx)
2860 av_audio_convert_free(ost->reformat_ctx);
2869 static int opt_format(const char *opt, const char *arg)
2871 last_asked_format = arg;
2875 static int opt_video_rc_override_string(const char *opt, const char *arg)
2877 video_rc_override_string = arg;
2881 static int opt_me_threshold(const char *opt, const char *arg)
2883 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2887 static int opt_verbose(const char *opt, const char *arg)
2889 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2893 static int opt_frame_rate(const char *opt, const char *arg)
2895 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2896 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2902 static int opt_bitrate(const char *opt, const char *arg)
2904 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2906 opt_default(opt, arg);
2908 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2909 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2914 static int opt_frame_crop(const char *opt, const char *arg)
2916 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2917 return AVERROR(EINVAL);
2920 static int opt_frame_size(const char *opt, const char *arg)
2922 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2923 fprintf(stderr, "Incorrect frame size\n");
2924 return AVERROR(EINVAL);
2929 static int opt_pad(const char *opt, const char *arg) {
2930 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2934 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2936 if (strcmp(arg, "list")) {
2937 frame_pix_fmt = av_get_pix_fmt(arg);
2938 if (frame_pix_fmt == PIX_FMT_NONE) {
2939 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2940 return AVERROR(EINVAL);
2943 opt_pix_fmts(NULL, NULL);
2949 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2956 p = strchr(arg, ':');
2958 x = strtol(arg, &end, 10);
2960 y = strtol(end+1, &end, 10);
2962 ar = (double)x / (double)y;
2964 ar = strtod(arg, NULL);
2967 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2968 return AVERROR(EINVAL);
2970 frame_aspect_ratio = ar;
2974 static int opt_metadata(const char *opt, const char *arg)
2976 char *mid= strchr(arg, '=');
2979 fprintf(stderr, "Missing =\n");
2984 av_dict_set(&metadata, arg, mid, 0);
2989 static int opt_qscale(const char *opt, const char *arg)
2991 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2992 if (video_qscale <= 0 || video_qscale > 255) {
2993 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2994 return AVERROR(EINVAL);
2999 static int opt_top_field_first(const char *opt, const char *arg)
3001 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
3002 opt_default(opt, arg);
3006 static int opt_thread_count(const char *opt, const char *arg)
3008 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3011 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3016 static int opt_audio_sample_fmt(const char *opt, const char *arg)
3018 if (strcmp(arg, "list")) {
3019 audio_sample_fmt = av_get_sample_fmt(arg);
3020 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
3021 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
3022 return AVERROR(EINVAL);
3027 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
3028 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
3034 static int opt_audio_rate(const char *opt, const char *arg)
3036 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3040 static int opt_audio_channels(const char *opt, const char *arg)
3042 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3046 static int opt_video_channel(const char *opt, const char *arg)
3048 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3052 static int opt_video_standard(const char *opt, const char *arg)
3054 video_standard = av_strdup(arg);
3058 static int opt_codec(const char *opt, const char *arg)
3060 int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
3062 if (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy; pcodec_name = &audio_codec_name; codec_type = AVMEDIA_TYPE_AUDIO; }
3063 else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy; pcodec_name = &video_codec_name; codec_type = AVMEDIA_TYPE_VIDEO; }
3064 else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
3065 else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy; pcodec_name = &data_codec_name; codec_type = AVMEDIA_TYPE_DATA; }
3067 av_freep(pcodec_name);
3068 if (!strcmp(arg, "copy")) {
3071 *pcodec_name = av_strdup(arg);
3076 static int opt_codec_tag(const char *opt, const char *arg)
3079 uint32_t *codec_tag;
3081 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3082 !strcmp(opt, "vtag") ? &video_codec_tag :
3083 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3087 *codec_tag = strtol(arg, &tail, 0);
3089 *codec_tag = AV_RL32(arg);
3094 static int opt_map(const char *opt, const char *arg)
3099 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3100 m = &stream_maps[nb_stream_maps-1];
3102 m->file_index = strtol(arg, &p, 0);
3106 m->stream_index = strtol(p, &p, 0);
3109 m->sync_file_index = strtol(p, &p, 0);
3112 m->sync_stream_index = strtol(p, &p, 0);
3114 m->sync_file_index = m->file_index;
3115 m->sync_stream_index = m->stream_index;
3120 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3131 *index = strtol(++arg, endptr, 0);
3134 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3141 static int opt_map_metadata(const char *opt, const char *arg)
3143 MetadataMap *m, *m1;
3146 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3147 &nb_meta_data_maps, nb_meta_data_maps + 1);
3149 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3150 m->file = strtol(arg, &p, 0);
3151 parse_meta_type(p, &m->type, &m->index, &p);
3155 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3156 m1->file = strtol(p, &p, 0);
3157 parse_meta_type(p, &m1->type, &m1->index, &p);
3159 if (m->type == 'g' || m1->type == 'g')
3160 metadata_global_autocopy = 0;
3161 if (m->type == 's' || m1->type == 's')
3162 metadata_streams_autocopy = 0;
3163 if (m->type == 'c' || m1->type == 'c')
3164 metadata_chapters_autocopy = 0;
3169 static int opt_map_meta_data(const char *opt, const char *arg)
3171 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3172 "Use -map_metadata instead.\n");
3173 return opt_map_metadata(opt, arg);
3176 static int opt_map_chapters(const char *opt, const char *arg)
3181 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3182 nb_chapter_maps + 1);
3183 c = &chapter_maps[nb_chapter_maps - 1];
3184 c->out_file = strtol(arg, &p, 0);
3188 c->in_file = strtol(p, &p, 0);
3192 static int opt_input_ts_scale(const char *opt, const char *arg)
3194 unsigned int stream;
3198 stream = strtol(arg, &p, 0);
3201 scale= strtod(p, &p);
3203 if(stream >= MAX_STREAMS)
3206 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
3207 input_files_ts_scale[nb_input_files][stream]= scale;
3211 static int opt_recording_time(const char *opt, const char *arg)
3213 recording_time = parse_time_or_die(opt, arg, 1);
3217 static int opt_start_time(const char *opt, const char *arg)
3219 start_time = parse_time_or_die(opt, arg, 1);
3223 static int opt_recording_timestamp(const char *opt, const char *arg)
3225 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3229 static int opt_input_ts_offset(const char *opt, const char *arg)
3231 input_ts_offset = parse_time_or_die(opt, arg, 1);
3235 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3237 const char *codec_string = encoder ? "encoder" : "decoder";
3241 return CODEC_ID_NONE;
3243 avcodec_find_encoder_by_name(name) :
3244 avcodec_find_decoder_by_name(name);
3246 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3249 if(codec->type != type) {
3250 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3253 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3254 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3255 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3256 "results.\nAdd '-strict experimental' if you want to use it.\n",
3257 codec_string, codec->name);
3259 avcodec_find_encoder(codec->id) :
3260 avcodec_find_decoder(codec->id);
3261 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3262 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3263 codec_string, codec->name);
3269 static int opt_input_file(const char *opt, const char *filename)
3271 AVFormatContext *ic;
3272 AVFormatParameters params, *ap = ¶ms;
3273 AVInputFormat *file_iformat = NULL;
3274 int err, i, ret, rfps, rfps_base;
3277 if (last_asked_format) {
3278 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3279 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3282 last_asked_format = NULL;
3285 if (!strcmp(filename, "-"))
3288 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3289 !strcmp(filename, "/dev/stdin");
3291 /* get default parameters from command line */
3292 ic = avformat_alloc_context();
3294 print_error(filename, AVERROR(ENOMEM));
3298 memset(ap, 0, sizeof(*ap));
3299 ap->prealloced_context = 1;
3300 ap->sample_rate = audio_sample_rate;
3301 ap->channels = audio_channels;
3302 ap->time_base.den = frame_rate.num;
3303 ap->time_base.num = frame_rate.den;
3304 ap->width = frame_width;
3305 ap->height = frame_height;
3306 ap->pix_fmt = frame_pix_fmt;
3307 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3308 ap->channel = video_channel;
3309 ap->standard = video_standard;
3311 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3313 ic->video_codec_id =
3314 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3315 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3316 ic->audio_codec_id =
3317 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3318 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3319 ic->subtitle_codec_id=
3320 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3321 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3322 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3324 /* open the input file with generic libav function */
3325 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3327 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3328 err = av_demuxer_open(ic, ap);
3330 avformat_free_context(ic);
3333 print_error(filename, err);
3339 for(i=0; i<ic->nb_streams; i++){
3340 ic->streams[i]->discard= AVDISCARD_ALL;
3342 for(i=0; i<ic->nb_programs; i++){
3343 AVProgram *p= ic->programs[i];
3344 if(p->id != opt_programid){
3345 p->discard = AVDISCARD_ALL;
3348 for(j=0; j<p->nb_stream_indexes; j++){
3349 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3354 fprintf(stderr, "Specified program id not found\n");
3361 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3362 ic->loop_input = loop_input;
3365 /* If not enough info to get the stream parameters, we decode the
3366 first frames to get it. (used in mpeg case for example) */
3367 ret = av_find_stream_info(ic);
3368 if (ret < 0 && verbose >= 0) {
3369 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3370 av_close_input_file(ic);
3374 timestamp = start_time;
3375 /* add the stream start time */
3376 if (ic->start_time != AV_NOPTS_VALUE)
3377 timestamp += ic->start_time;
3379 /* if seeking requested, we execute it */
3380 if (start_time != 0) {
3381 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3383 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3384 filename, (double)timestamp / AV_TIME_BASE);
3386 /* reset seek info */
3390 /* update the current parameters so that they match the one of the input stream */
3391 for(i=0;i<ic->nb_streams;i++) {
3392 AVStream *st = ic->streams[i];
3393 AVCodecContext *dec = st->codec;
3396 dec->thread_count = thread_count;
3398 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3399 ist = &input_streams[nb_input_streams - 1];
3401 ist->file_index = nb_input_files;
3404 switch (dec->codec_type) {
3405 case AVMEDIA_TYPE_AUDIO:
3406 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3408 ist->dec = avcodec_find_decoder(dec->codec_id);
3409 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
3410 channel_layout = dec->channel_layout;
3411 audio_sample_fmt = dec->sample_fmt;
3413 st->discard= AVDISCARD_ALL;
3415 case AVMEDIA_TYPE_VIDEO:
3416 ist->dec= avcodec_find_decoder_by_name(video_codec_name);
3418 ist->dec = avcodec_find_decoder(dec->codec_id);
3419 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, ist->dec);
3420 rfps = ic->streams[i]->r_frame_rate.num;
3421 rfps_base = ic->streams[i]->r_frame_rate.den;
3423 dec->flags |= CODEC_FLAG_EMU_EDGE;
3424 dec->height >>= dec->lowres;
3425 dec->width >>= dec->lowres;
3428 dec->debug |= FF_DEBUG_MV;
3430 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3433 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3434 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3436 (float)rfps / rfps_base, rfps, rfps_base);
3440 st->discard= AVDISCARD_ALL;
3441 else if(video_discard)
3442 st->discard= video_discard;
3444 case AVMEDIA_TYPE_DATA:
3446 case AVMEDIA_TYPE_SUBTITLE:
3447 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3449 ist->dec = avcodec_find_decoder(dec->codec_id);
3450 if(subtitle_disable)
3451 st->discard = AVDISCARD_ALL;
3453 case AVMEDIA_TYPE_ATTACHMENT:
3454 case AVMEDIA_TYPE_UNKNOWN:
3461 /* dump the file content */
3463 av_dump_format(ic, nb_input_files, filename, 0);
3465 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3466 input_files[nb_input_files - 1].ctx = ic;
3467 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3468 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3470 top_field_first = -1;
3472 frame_rate = (AVRational){0, 0};
3473 frame_pix_fmt = PIX_FMT_NONE;
3476 audio_sample_rate = 0;
3479 av_freep(&video_codec_name);
3480 av_freep(&audio_codec_name);
3481 av_freep(&subtitle_codec_name);
3487 static void check_inputs(int *has_video_ptr,
3489 int *has_subtitle_ptr,
3492 int has_video, has_audio, has_subtitle, has_data, i, j;
3493 AVFormatContext *ic;
3500 for(j=0;j<nb_input_files;j++) {
3501 ic = input_files[j].ctx;
3502 for(i=0;i<ic->nb_streams;i++) {
3503 AVCodecContext *enc = ic->streams[i]->codec;
3504 switch(enc->codec_type) {
3505 case AVMEDIA_TYPE_AUDIO:
3508 case AVMEDIA_TYPE_VIDEO:
3511 case AVMEDIA_TYPE_SUBTITLE:
3514 case AVMEDIA_TYPE_DATA:
3515 case AVMEDIA_TYPE_ATTACHMENT:
3516 case AVMEDIA_TYPE_UNKNOWN:
3524 *has_video_ptr = has_video;
3525 *has_audio_ptr = has_audio;
3526 *has_subtitle_ptr = has_subtitle;
3527 *has_data_ptr = has_data;
3530 static void new_video_stream(AVFormatContext *oc, int file_idx)
3534 AVCodecContext *video_enc;
3535 enum CodecID codec_id = CODEC_ID_NONE;
3536 AVCodec *codec= NULL;
3538 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3540 fprintf(stderr, "Could not alloc stream\n");
3543 ost = new_output_stream(oc, file_idx);
3545 if(!video_stream_copy){
3546 if (video_codec_name) {
3547 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3548 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3549 codec = avcodec_find_encoder_by_name(video_codec_name);
3552 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3553 codec = avcodec_find_encoder(codec_id);
3555 ost->frame_aspect_ratio = frame_aspect_ratio;
3556 frame_aspect_ratio = 0;
3558 ost->avfilter = vfilters;
3563 avcodec_get_context_defaults3(st->codec, codec);
3564 ost->bitstream_filters = video_bitstream_filters;
3565 video_bitstream_filters= NULL;
3567 st->codec->thread_count= thread_count;
3569 video_enc = st->codec;
3572 video_enc->codec_tag= video_codec_tag;
3574 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3575 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3576 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3579 if (video_stream_copy) {
3580 st->stream_copy = 1;
3581 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3582 video_enc->sample_aspect_ratio =
3583 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3589 ost->frame_rate = frame_rate;
3590 video_enc->codec_id = codec_id;
3591 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3593 video_enc->width = frame_width;
3594 video_enc->height = frame_height;
3595 video_enc->pix_fmt = frame_pix_fmt;
3596 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3597 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3600 video_enc->gop_size = 0;
3601 if (video_qscale || same_quality) {
3602 video_enc->flags |= CODEC_FLAG_QSCALE;
3603 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3607 video_enc->intra_matrix = intra_matrix;
3609 video_enc->inter_matrix = inter_matrix;
3611 p= video_rc_override_string;
3614 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3616 fprintf(stderr, "error parsing rc_override\n");
3619 video_enc->rc_override=
3620 av_realloc(video_enc->rc_override,
3621 sizeof(RcOverride)*(i+1));
3622 video_enc->rc_override[i].start_frame= start;
3623 video_enc->rc_override[i].end_frame = end;
3625 video_enc->rc_override[i].qscale= q;