3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; 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/pixdesc.h"
44 #include "libavutil/avstring.h"
45 #include "libavutil/libm.h"
46 #include "libavformat/os_support.h"
49 # include "libavfilter/avfilter.h"
50 # include "libavfilter/avfiltergraph.h"
51 # include "libavfilter/vsrc_buffer.h"
54 #if HAVE_SYS_RESOURCE_H
55 #include <sys/types.h>
57 #include <sys/resource.h>
58 #elif HAVE_GETPROCESSTIMES
61 #if HAVE_GETPROCESSMEMORYINFO
67 #include <sys/select.h>
74 #include "libavutil/avassert.h"
76 const char program_name[] = "ffmpeg";
77 const int program_birth_year = 2000;
79 /* select an input stream for an output stream */
80 typedef struct AVStreamMap {
84 int sync_stream_index;
88 * select an input file for an output file
90 typedef struct AVMetaDataMap {
91 int file; //< file index
92 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
93 int index; //< stream/chapter/program number
96 typedef struct AVChapterMap {
101 static const OptionDef options[];
103 #define MAX_FILES 100
104 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
106 #define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
108 static const char *last_asked_format = NULL;
109 static int64_t input_files_ts_offset[MAX_FILES];
110 static double *input_files_ts_scale[MAX_FILES] = {NULL};
111 static AVCodec **input_codecs = NULL;
112 static int nb_input_codecs = 0;
113 static int nb_input_files_ts_scale[MAX_FILES] = {0};
115 static AVFormatContext *output_files[MAX_FILES];
116 static AVDictionary *output_opts[MAX_FILES];
117 static int nb_output_files = 0;
119 static AVStreamMap *stream_maps = NULL;
120 static int nb_stream_maps;
122 /* first item specifies output metadata, second is input */
123 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
124 static int nb_meta_data_maps;
125 static int metadata_global_autocopy = 1;
126 static int metadata_streams_autocopy = 1;
127 static int metadata_chapters_autocopy = 1;
129 static AVChapterMap *chapter_maps = NULL;
130 static int nb_chapter_maps;
132 /* indexed by output file stream index */
133 static int *streamid_map = NULL;
134 static int nb_streamid_map = 0;
136 static int frame_width = 0;
137 static int frame_height = 0;
138 static float frame_aspect_ratio = 0;
139 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
140 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
141 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
142 static AVRational frame_rate;
143 static float video_qscale = 0;
144 static uint16_t *intra_matrix = NULL;
145 static uint16_t *inter_matrix = NULL;
146 static const char *video_rc_override_string=NULL;
147 static int video_disable = 0;
148 static int video_discard = 0;
149 static char *video_codec_name = NULL;
150 static unsigned int video_codec_tag = 0;
151 static char *video_language = NULL;
152 static int same_quality = 0;
153 static int do_deinterlace = 0;
154 static int top_field_first = -1;
155 static int me_threshold = 0;
156 static int intra_dc_precision = 8;
157 static int loop_input = 0;
158 static int loop_output = AVFMT_NOOUTPUTLOOP;
159 static int qp_hist = 0;
161 static char *vfilters = NULL;
164 static int intra_only = 0;
165 static int audio_sample_rate = 0;
166 static int64_t channel_layout = 0;
167 #define QSCALE_NONE -99999
168 static float audio_qscale = QSCALE_NONE;
169 static int audio_disable = 0;
170 static int audio_channels = 0;
171 static char *audio_codec_name = NULL;
172 static unsigned int audio_codec_tag = 0;
173 static char *audio_language = NULL;
175 static int subtitle_disable = 0;
176 static char *subtitle_codec_name = NULL;
177 static char *subtitle_language = NULL;
178 static unsigned int subtitle_codec_tag = 0;
180 static int data_disable = 0;
181 static char *data_codec_name = NULL;
182 static unsigned int data_codec_tag = 0;
184 static float mux_preload= 0.5;
185 static float mux_max_delay= 0.7;
187 static int64_t recording_time = INT64_MAX;
188 static int64_t start_time = 0;
189 static int64_t recording_timestamp = 0;
190 static int64_t input_ts_offset = 0;
191 static int file_overwrite = 0;
192 static AVDictionary *metadata;
193 static int do_benchmark = 0;
194 static int do_hex_dump = 0;
195 static int do_pkt_dump = 0;
196 static int do_psnr = 0;
197 static int do_pass = 0;
198 static char *pass_logfilename_prefix = NULL;
199 static int audio_stream_copy = 0;
200 static int video_stream_copy = 0;
201 static int subtitle_stream_copy = 0;
202 static int data_stream_copy = 0;
203 static int video_sync_method= -1;
204 static int audio_sync_method= 0;
205 static float audio_drift_threshold= 0.1;
206 static int copy_ts= 0;
208 static int opt_shortest = 0;
209 static char *vstats_filename;
210 static FILE *vstats_file;
211 static int opt_programid = 0;
212 static int copy_initial_nonkeyframes = 0;
214 static int rate_emu = 0;
216 static int audio_volume = 256;
218 static int exit_on_error = 0;
219 static int using_stdin = 0;
220 static int verbose = 1;
221 static int thread_count= 1;
222 static int64_t video_size = 0;
223 static int64_t audio_size = 0;
224 static int64_t extra_size = 0;
225 static int nb_frames_dup = 0;
226 static int nb_frames_drop = 0;
227 static int input_sync;
228 static uint64_t limit_filesize = 0;
229 static int force_fps = 0;
230 static char *forced_key_frames = NULL;
232 static float dts_delta_threshold = 10;
234 static int64_t timer_start;
236 static uint8_t *audio_buf;
237 static uint8_t *audio_out;
238 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
240 static short *samples;
242 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
243 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
244 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
246 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
248 struct AVInputStream;
250 typedef struct AVOutputStream {
251 int file_index; /* file index */
252 int index; /* stream index in the output file */
253 int source_index; /* AVInputStream index */
254 AVStream *st; /* stream in the output file */
255 int encoding_needed; /* true if encoding needed for this stream */
257 /* input pts and corresponding output pts
259 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
260 struct AVInputStream *sync_ist; /* input stream to sync against */
261 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
262 AVBitStreamFilterContext *bitstream_filters;
267 AVFrame pict_tmp; /* temporary image for resampling */
268 struct SwsContext *img_resample_ctx; /* for image resampling */
271 int resample_pix_fmt;
272 AVRational frame_rate;
274 float frame_aspect_ratio;
276 /* forced key frames */
277 int64_t *forced_kf_pts;
283 ReSampleContext *resample; /* for audio resampling */
284 int resample_sample_fmt;
285 int resample_channels;
286 int resample_sample_rate;
288 AVAudioConvert *reformat_ctx;
289 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
293 AVFilterContext *output_video_filter;
294 AVFilterContext *input_video_filter;
295 AVFilterBufferRef *picref;
297 AVFilterGraph *graph;
303 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
304 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
306 typedef struct AVInputStream {
309 int discard; /* true if stream data should be discarded */
310 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
311 int64_t sample_index; /* current sample */
313 int64_t start; /* time when read started */
314 int64_t next_pts; /* synthetic pts for cases where pkt.pts
316 int64_t pts; /* current pts */
317 PtsCorrectionContext pts_ctx;
318 int is_start; /* is 1 at the start and after a discontinuity */
319 int showed_multi_packet_warning;
320 int is_past_recording_time;
322 AVFrame *filter_frame;
323 int has_filter_frame;
327 typedef struct AVInputFile {
328 AVFormatContext *ctx;
329 int eof_reached; /* true if eof reached */
330 int ist_index; /* index of first stream in ist_table */
331 int buffer_size; /* current total buffer size */
334 static AVInputStream *input_streams = NULL;
335 static int nb_input_streams = 0;
336 static AVInputFile *input_files = NULL;
337 static int nb_input_files = 0;
341 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
343 AVFilterContext *last_filter, *filter;
344 /** filter graph containing all filters including input & output */
345 AVCodecContext *codec = ost->st->codec;
346 AVCodecContext *icodec = ist->st->codec;
347 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
348 AVRational sample_aspect_ratio;
352 ost->graph = avfilter_graph_alloc();
354 if (ist->st->sample_aspect_ratio.num){
355 sample_aspect_ratio = ist->st->sample_aspect_ratio;
357 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
359 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
360 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
361 sample_aspect_ratio.num, sample_aspect_ratio.den);
363 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
364 "src", args, NULL, ost->graph);
367 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
368 "out", NULL, &ffsink_ctx, ost->graph);
371 last_filter = ost->input_video_filter;
373 if (codec->width != icodec->width || codec->height != icodec->height) {
374 snprintf(args, 255, "%d:%d:flags=0x%X",
378 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
379 NULL, args, NULL, ost->graph)) < 0)
381 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
383 last_filter = filter;
386 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
387 ost->graph->scale_sws_opts = av_strdup(args);
390 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
391 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
393 outputs->name = av_strdup("in");
394 outputs->filter_ctx = last_filter;
395 outputs->pad_idx = 0;
396 outputs->next = NULL;
398 inputs->name = av_strdup("out");
399 inputs->filter_ctx = ost->output_video_filter;
403 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
405 av_freep(&ost->avfilter);
407 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
411 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
414 codec->width = ost->output_video_filter->inputs[0]->w;
415 codec->height = ost->output_video_filter->inputs[0]->h;
416 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
417 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
418 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
419 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
423 #endif /* CONFIG_AVFILTER */
425 static void term_exit(void)
427 av_log(NULL, AV_LOG_QUIET, "");
430 static volatile int received_sigterm = 0;
431 static volatile int received_nb_signals = 0;
434 sigterm_handler(int sig)
436 received_sigterm = sig;
437 received_nb_signals++;
441 static void term_init(void)
443 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
444 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
446 signal(SIGXCPU, sigterm_handler);
450 static int decode_interrupt_cb(void)
452 return received_nb_signals > 1;
455 static int ffmpeg_exit(int ret)
460 for(i=0;i<nb_output_files;i++) {
461 AVFormatContext *s = output_files[i];
462 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
464 avformat_free_context(s);
465 av_free(output_streams_for_file[i]);
466 av_dict_free(&output_opts[i]);
468 for(i=0;i<nb_input_files;i++) {
469 av_close_input_file(input_files[i].ctx);
470 av_free(input_files_ts_scale[i]);
473 av_free(intra_matrix);
474 av_free(inter_matrix);
478 av_free(vstats_filename);
480 av_free(streamid_map);
481 av_free(input_codecs);
482 av_free(stream_maps);
483 av_free(meta_data_maps);
485 av_freep(&input_streams);
486 av_freep(&input_files);
488 av_free(video_codec_name);
489 av_free(audio_codec_name);
490 av_free(subtitle_codec_name);
491 av_free(data_codec_name);
496 allocated_audio_buf_size= allocated_audio_out_size= 0;
503 if (received_sigterm) {
505 "Received signal %d: terminating.\n",
506 (int) received_sigterm);
510 exit(ret); /* not all OS-es handle main() return value */
514 static void assert_avoptions(AVDictionary *m)
516 AVDictionaryEntry *t;
517 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
518 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
523 /* similar to ff_dynarray_add() and av_fast_realloc() */
524 static void *grow_array(void *array, int elem_size, int *size, int new_size)
526 if (new_size >= INT_MAX / elem_size) {
527 fprintf(stderr, "Array too big.\n");
530 if (*size < new_size) {
531 uint8_t *tmp = av_realloc(array, new_size*elem_size);
533 fprintf(stderr, "Could not alloc buffer.\n");
536 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
543 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
545 if(codec && codec->sample_fmts){
546 const enum AVSampleFormat *p= codec->sample_fmts;
548 if(*p == st->codec->sample_fmt)
552 av_log(NULL, AV_LOG_WARNING,
553 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
554 av_get_sample_fmt_name(st->codec->sample_fmt),
556 av_get_sample_fmt_name(codec->sample_fmts[0]));
557 st->codec->sample_fmt = codec->sample_fmts[0];
563 * Update the requested input sample format based on the output sample format.
564 * This is currently only used to request float output from decoders which
565 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
566 * Ideally this will be removed in the future when decoders do not do format
567 * conversion and only output in their native format.
569 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
572 /* if sample formats match or a decoder sample format has already been
573 requested, just return */
574 if (enc->sample_fmt == dec->sample_fmt ||
575 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
578 /* if decoder supports more than one output format */
579 if (dec_codec && dec_codec->sample_fmts &&
580 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
581 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
582 const enum AVSampleFormat *p;
583 int min_dec = -1, min_inc = -1;
585 /* find a matching sample format in the encoder */
586 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
587 if (*p == enc->sample_fmt) {
588 dec->request_sample_fmt = *p;
590 } else if (*p > enc->sample_fmt) {
591 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
593 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
596 /* if none match, provide the one that matches quality closest */
597 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
598 enc->sample_fmt - min_dec;
602 static void choose_sample_rate(AVStream *st, AVCodec *codec)
604 if(codec && codec->supported_samplerates){
605 const int *p= codec->supported_samplerates;
607 int best_dist=INT_MAX;
609 int dist= abs(st->codec->sample_rate - *p);
610 if(dist < best_dist){
616 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
618 st->codec->sample_rate= best;
622 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
624 if(codec && codec->pix_fmts){
625 const enum PixelFormat *p= codec->pix_fmts;
626 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
627 if(st->codec->codec_id==CODEC_ID_MJPEG){
628 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
629 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
630 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};
634 if(*p == st->codec->pix_fmt)
638 if(st->codec->pix_fmt != PIX_FMT_NONE)
639 av_log(NULL, AV_LOG_WARNING,
640 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
641 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
643 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
644 st->codec->pix_fmt = codec->pix_fmts[0];
649 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
651 int idx = oc->nb_streams - 1;
654 output_streams_for_file[file_idx] =
655 grow_array(output_streams_for_file[file_idx],
656 sizeof(*output_streams_for_file[file_idx]),
657 &nb_output_streams_for_file[file_idx],
659 ost = output_streams_for_file[file_idx][idx] =
660 av_mallocz(sizeof(AVOutputStream));
662 fprintf(stderr, "Could not alloc output stream\n");
665 ost->file_index = file_idx;
668 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
672 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
675 AVFormatContext *ic = NULL;
678 err = avformat_open_input(&ic, filename, NULL, NULL);
681 /* copy stream format */
683 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
684 for(i=0;i<ic->nb_streams;i++) {
690 // FIXME: a more elegant solution is needed
691 st = av_mallocz(sizeof(AVStream));
692 memcpy(st, ic->streams[i], sizeof(AVStream));
694 st->codec = avcodec_alloc_context();
696 print_error(filename, AVERROR(ENOMEM));
699 avcodec_copy_context(st->codec, ic->streams[i]->codec);
702 codec = avcodec_find_encoder(st->codec->codec_id);
703 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
704 if (audio_stream_copy) {
707 choose_sample_fmt(st, codec);
708 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
709 if (video_stream_copy) {
712 choose_pixel_fmt(st, codec);
715 if(st->codec->flags & CODEC_FLAG_BITEXACT)
718 new_output_stream(s, nb_output_files);
722 s->timestamp = av_gettime();
724 av_close_input_file(ic);
729 get_sync_ipts(const AVOutputStream *ost)
731 const AVInputStream *ist = ost->sync_ist;
732 return (double)(ist->pts - start_time)/AV_TIME_BASE;
735 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
739 AVPacket new_pkt= *pkt;
740 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
741 &new_pkt.data, &new_pkt.size,
742 pkt->data, pkt->size,
743 pkt->flags & AV_PKT_FLAG_KEY);
746 new_pkt.destruct= av_destruct_packet;
748 fprintf(stderr, "%s failed for stream %d, codec %s",
749 bsfc->filter->name, pkt->stream_index,
750 avctx->codec ? avctx->codec->name : "copy");
760 ret= av_interleaved_write_frame(s, pkt);
762 print_error("av_interleaved_write_frame()", ret);
767 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
769 static void do_audio_out(AVFormatContext *s,
772 unsigned char *buf, int size)
775 int64_t audio_out_size, audio_buf_size;
776 int64_t allocated_for_size= size;
778 int size_out, frame_bytes, ret, resample_changed;
779 AVCodecContext *enc= ost->st->codec;
780 AVCodecContext *dec= ist->st->codec;
781 int osize = av_get_bytes_per_sample(enc->sample_fmt);
782 int isize = av_get_bytes_per_sample(dec->sample_fmt);
783 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
786 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
787 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
788 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
789 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
790 audio_buf_size*= osize*enc->channels;
792 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
793 if(coded_bps > 8*osize)
794 audio_out_size= audio_out_size * coded_bps / (8*osize);
795 audio_out_size += FF_MIN_BUFFER_SIZE;
797 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
798 fprintf(stderr, "Buffer sizes too large\n");
802 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
803 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
804 if (!audio_buf || !audio_out){
805 fprintf(stderr, "Out of memory in do_audio_out\n");
809 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
810 ost->audio_resample = 1;
812 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
813 ost->resample_channels != dec->channels ||
814 ost->resample_sample_rate != dec->sample_rate;
816 if ((ost->audio_resample && !ost->resample) || resample_changed) {
817 if (resample_changed) {
818 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",
819 ist->file_index, ist->st->index,
820 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
821 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
822 ost->resample_sample_fmt = dec->sample_fmt;
823 ost->resample_channels = dec->channels;
824 ost->resample_sample_rate = dec->sample_rate;
826 audio_resample_close(ost->resample);
828 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
829 if (audio_sync_method <= 1 &&
830 ost->resample_sample_fmt == enc->sample_fmt &&
831 ost->resample_channels == enc->channels &&
832 ost->resample_sample_rate == enc->sample_rate) {
833 ost->resample = NULL;
834 ost->audio_resample = 0;
835 } else if (ost->audio_resample) {
836 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
837 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
838 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
839 enc->sample_rate, dec->sample_rate,
840 enc->sample_fmt, dec->sample_fmt,
842 if (!ost->resample) {
843 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
844 dec->channels, dec->sample_rate,
845 enc->channels, enc->sample_rate);
851 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
852 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
853 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
854 if (ost->reformat_ctx)
855 av_audio_convert_free(ost->reformat_ctx);
856 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
857 dec->sample_fmt, 1, NULL, 0);
858 if (!ost->reformat_ctx) {
859 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
860 av_get_sample_fmt_name(dec->sample_fmt),
861 av_get_sample_fmt_name(enc->sample_fmt));
864 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
867 if(audio_sync_method){
868 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
869 - av_fifo_size(ost->fifo)/(enc->channels * 2);
870 double idelta= delta*dec->sample_rate / enc->sample_rate;
871 int byte_delta= ((int)idelta)*2*dec->channels;
873 //FIXME resample delay
874 if(fabs(delta) > 50){
875 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
877 byte_delta= FFMAX(byte_delta, -size);
881 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
886 static uint8_t *input_tmp= NULL;
887 input_tmp= av_realloc(input_tmp, byte_delta + size);
889 if(byte_delta > allocated_for_size - size){
890 allocated_for_size= byte_delta + (int64_t)size;
895 memset(input_tmp, 0, byte_delta);
896 memcpy(input_tmp + byte_delta, buf, size);
900 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
902 }else if(audio_sync_method>1){
903 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
904 av_assert0(ost->audio_resample);
906 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
907 // 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));
908 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
912 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
913 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
915 if (ost->audio_resample) {
917 size_out = audio_resample(ost->resample,
918 (short *)buftmp, (short *)buf,
919 size / (dec->channels * isize));
920 size_out = size_out * enc->channels * osize;
926 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
927 const void *ibuf[6]= {buftmp};
928 void *obuf[6]= {audio_buf};
929 int istride[6]= {isize};
930 int ostride[6]= {osize};
931 int len= size_out/istride[0];
932 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
933 printf("av_audio_convert() failed\n");
939 size_out = len*osize;
942 /* now encode as many frames as possible */
943 if (enc->frame_size > 1) {
944 /* output resampled raw samples */
945 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
946 fprintf(stderr, "av_fifo_realloc2() failed\n");
949 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
951 frame_bytes = enc->frame_size * osize * enc->channels;
953 while (av_fifo_size(ost->fifo) >= frame_bytes) {
955 av_init_packet(&pkt);
957 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
959 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
961 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
964 fprintf(stderr, "Audio encoding failed\n");
968 pkt.stream_index= ost->index;
971 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
972 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
973 pkt.flags |= AV_PKT_FLAG_KEY;
974 write_frame(s, &pkt, enc, ost->bitstream_filters);
976 ost->sync_opts += enc->frame_size;
980 av_init_packet(&pkt);
982 ost->sync_opts += size_out / (osize * enc->channels);
984 /* output a pcm frame */
985 /* determine the size of the coded buffer */
988 size_out = size_out*coded_bps/8;
990 if(size_out > audio_out_size){
991 fprintf(stderr, "Internal error, buffer size too small\n");
995 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
996 ret = avcodec_encode_audio(enc, audio_out, size_out,
999 fprintf(stderr, "Audio encoding failed\n");
1003 pkt.stream_index= ost->index;
1004 pkt.data= audio_out;
1006 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1007 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1008 pkt.flags |= AV_PKT_FLAG_KEY;
1009 write_frame(s, &pkt, enc, ost->bitstream_filters);
1013 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1015 AVCodecContext *dec;
1016 AVPicture *picture2;
1017 AVPicture picture_tmp;
1020 dec = ist->st->codec;
1022 /* deinterlace : must be done before any resize */
1023 if (do_deinterlace) {
1026 /* create temporary picture */
1027 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1028 buf = av_malloc(size);
1032 picture2 = &picture_tmp;
1033 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1035 if(avpicture_deinterlace(picture2, picture,
1036 dec->pix_fmt, dec->width, dec->height) < 0) {
1037 /* if error, do not deinterlace */
1038 fprintf(stderr, "Deinterlacing failed\n");
1047 if (picture != picture2)
1048 *picture = *picture2;
1052 /* we begin to correct av delay at this threshold */
1053 #define AV_DELAY_MAX 0.100
1055 static void do_subtitle_out(AVFormatContext *s,
1056 AVOutputStream *ost,
1061 static uint8_t *subtitle_out = NULL;
1062 int subtitle_out_max_size = 1024 * 1024;
1063 int subtitle_out_size, nb, i;
1064 AVCodecContext *enc;
1067 if (pts == AV_NOPTS_VALUE) {
1068 fprintf(stderr, "Subtitle packets must have a pts\n");
1074 enc = ost->st->codec;
1076 if (!subtitle_out) {
1077 subtitle_out = av_malloc(subtitle_out_max_size);
1080 /* Note: DVB subtitle need one packet to draw them and one other
1081 packet to clear them */
1082 /* XXX: signal it in the codec context ? */
1083 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1088 for(i = 0; i < nb; i++) {
1089 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1090 // start_display_time is required to be 0
1091 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1092 sub->end_display_time -= sub->start_display_time;
1093 sub->start_display_time = 0;
1094 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1095 subtitle_out_max_size, sub);
1096 if (subtitle_out_size < 0) {
1097 fprintf(stderr, "Subtitle encoding failed\n");
1101 av_init_packet(&pkt);
1102 pkt.stream_index = ost->index;
1103 pkt.data = subtitle_out;
1104 pkt.size = subtitle_out_size;
1105 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1106 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1107 /* XXX: the pts correction is handled here. Maybe handling
1108 it in the codec would be better */
1110 pkt.pts += 90 * sub->start_display_time;
1112 pkt.pts += 90 * sub->end_display_time;
1114 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1118 static int bit_buffer_size= 1024*256;
1119 static uint8_t *bit_buffer= NULL;
1121 static void do_video_out(AVFormatContext *s,
1122 AVOutputStream *ost,
1124 AVFrame *in_picture,
1127 int nb_frames, i, ret, resample_changed;
1128 AVFrame *final_picture, *formatted_picture;
1129 AVCodecContext *enc, *dec;
1132 enc = ost->st->codec;
1133 dec = ist->st->codec;
1135 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1137 /* by default, we output a single frame */
1142 if(video_sync_method){
1143 double vdelta = sync_ipts - ost->sync_opts;
1144 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1147 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1150 }else if(vdelta>0.6)
1151 ost->sync_opts= lrintf(sync_ipts);
1152 }else if (vdelta > 1.1)
1153 nb_frames = lrintf(vdelta);
1154 //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);
1155 if (nb_frames == 0){
1158 fprintf(stderr, "*** drop!\n");
1159 }else if (nb_frames > 1) {
1160 nb_frames_dup += nb_frames - 1;
1162 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1165 ost->sync_opts= lrintf(sync_ipts);
1167 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1171 formatted_picture = in_picture;
1172 final_picture = formatted_picture;
1174 resample_changed = ost->resample_width != dec->width ||
1175 ost->resample_height != dec->height ||
1176 ost->resample_pix_fmt != dec->pix_fmt;
1178 if (resample_changed) {
1179 av_log(NULL, AV_LOG_INFO,
1180 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1181 ist->file_index, ist->st->index,
1182 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1183 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1184 if(!ost->video_resample)
1188 #if !CONFIG_AVFILTER
1189 if (ost->video_resample) {
1190 final_picture = &ost->pict_tmp;
1191 if (resample_changed) {
1192 /* initialize a new scaler context */
1193 sws_freeContext(ost->img_resample_ctx);
1194 ost->img_resample_ctx = sws_getContext(
1195 ist->st->codec->width,
1196 ist->st->codec->height,
1197 ist->st->codec->pix_fmt,
1198 ost->st->codec->width,
1199 ost->st->codec->height,
1200 ost->st->codec->pix_fmt,
1201 ost->sws_flags, NULL, NULL, NULL);
1202 if (ost->img_resample_ctx == NULL) {
1203 fprintf(stderr, "Cannot get resampling context\n");
1207 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1208 0, ost->resample_height, final_picture->data, final_picture->linesize);
1212 /* duplicates frame if needed */
1213 for(i=0;i<nb_frames;i++) {
1215 av_init_packet(&pkt);
1216 pkt.stream_index= ost->index;
1218 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1219 /* raw pictures are written as AVPicture structure to
1220 avoid any copies. We support temorarily the older
1222 AVFrame* old_frame = enc->coded_frame;
1223 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1224 pkt.data= (uint8_t *)final_picture;
1225 pkt.size= sizeof(AVPicture);
1226 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1227 pkt.flags |= AV_PKT_FLAG_KEY;
1229 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1230 enc->coded_frame = old_frame;
1232 AVFrame big_picture;
1234 big_picture= *final_picture;
1235 /* better than nothing: use input picture interlaced
1237 big_picture.interlaced_frame = in_picture->interlaced_frame;
1238 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1239 if(top_field_first == -1)
1240 big_picture.top_field_first = in_picture->top_field_first;
1242 big_picture.top_field_first = top_field_first;
1245 /* handles sameq here. This is not correct because it may
1246 not be a global option */
1247 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1249 big_picture.pict_type = 0;
1250 // big_picture.pts = AV_NOPTS_VALUE;
1251 big_picture.pts= ost->sync_opts;
1252 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1253 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1254 if (ost->forced_kf_index < ost->forced_kf_count &&
1255 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1256 big_picture.pict_type = AV_PICTURE_TYPE_I;
1257 ost->forced_kf_index++;
1259 ret = avcodec_encode_video(enc,
1260 bit_buffer, bit_buffer_size,
1263 fprintf(stderr, "Video encoding failed\n");
1268 pkt.data= bit_buffer;
1270 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1271 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1272 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1273 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1274 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1276 if(enc->coded_frame->key_frame)
1277 pkt.flags |= AV_PKT_FLAG_KEY;
1278 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1281 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1282 // enc->frame_number-1, ret, enc->pict_type);
1283 /* if two pass, output log */
1284 if (ost->logfile && enc->stats_out) {
1285 fprintf(ost->logfile, "%s", enc->stats_out);
1290 ost->frame_number++;
1294 static double psnr(double d){
1295 return -10.0*log(d)/log(10.0);
1298 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1301 AVCodecContext *enc;
1303 double ti1, bitrate, avg_bitrate;
1305 /* this is executed just the first time do_video_stats is called */
1307 vstats_file = fopen(vstats_filename, "w");
1314 enc = ost->st->codec;
1315 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1316 frame_number = ost->frame_number;
1317 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1318 if (enc->flags&CODEC_FLAG_PSNR)
1319 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1321 fprintf(vstats_file,"f_size= %6d ", frame_size);
1322 /* compute pts value */
1323 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1327 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1328 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1329 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1330 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1331 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1335 static void print_report(AVFormatContext **output_files,
1336 AVOutputStream **ost_table, int nb_ostreams,
1340 AVOutputStream *ost;
1341 AVFormatContext *oc;
1343 AVCodecContext *enc;
1344 int frame_number, vid, i;
1345 double bitrate, ti1, pts;
1346 static int64_t last_time = -1;
1347 static int qp_histogram[52];
1349 if (!is_last_report) {
1351 /* display the report every 0.5 seconds */
1352 cur_time = av_gettime();
1353 if (last_time == -1) {
1354 last_time = cur_time;
1357 if ((cur_time - last_time) < 500000)
1359 last_time = cur_time;
1363 oc = output_files[0];
1365 total_size = avio_size(oc->pb);
1366 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1367 total_size= avio_tell(oc->pb);
1372 for(i=0;i<nb_ostreams;i++) {
1375 enc = ost->st->codec;
1376 if (!ost->st->stream_copy && enc->coded_frame)
1377 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1378 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1381 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1382 float t = (av_gettime()-timer_start) / 1000000.0;
1384 frame_number = ost->frame_number;
1385 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1386 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1392 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1395 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1397 if (enc->flags&CODEC_FLAG_PSNR){
1399 double error, error_sum=0;
1400 double scale, scale_sum=0;
1401 char type[3]= {'Y','U','V'};
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1405 error= enc->error[j];
1406 scale= enc->width*enc->height*255.0*255.0*frame_number;
1408 error= enc->coded_frame->error[j];
1409 scale= enc->width*enc->height*255.0*255.0;
1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1416 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1420 /* compute min output value */
1421 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1422 if ((pts < ti1) && (pts > 0))
1428 if (verbose > 0 || is_last_report) {
1429 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1432 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1433 (double)total_size / 1024, ti1, bitrate);
1435 if (nb_frames_dup || nb_frames_drop)
1436 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1437 nb_frames_dup, nb_frames_drop);
1440 fprintf(stderr, "%s \r", buf);
1445 if (is_last_report && verbose >= 0){
1446 int64_t raw= audio_size + video_size + extra_size;
1447 fprintf(stderr, "\n");
1448 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1452 100.0*(total_size - raw)/raw
1457 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1459 int fill_char = 0x00;
1460 if (sample_fmt == AV_SAMPLE_FMT_U8)
1462 memset(buf, fill_char, size);
1465 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1466 static int output_packet(AVInputStream *ist, int ist_index,
1467 AVOutputStream **ost_table, int nb_ostreams,
1468 const AVPacket *pkt)
1470 AVFormatContext *os;
1471 AVOutputStream *ost;
1475 void *buffer_to_free = NULL;
1476 static unsigned int samples_size= 0;
1477 AVSubtitle subtitle, *subtitle_to_free;
1478 int64_t pkt_pts = AV_NOPTS_VALUE;
1480 int frame_available;
1484 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1486 if(ist->next_pts == AV_NOPTS_VALUE)
1487 ist->next_pts= ist->pts;
1491 av_init_packet(&avpkt);
1499 if(pkt->dts != AV_NOPTS_VALUE)
1500 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1501 if(pkt->pts != AV_NOPTS_VALUE)
1502 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1504 //while we have more to decode or while the decoder did output something on EOF
1505 while (avpkt.size > 0 || (!pkt && got_output)) {
1506 uint8_t *data_buf, *decoded_data_buf;
1507 int data_size, decoded_data_size;
1509 ist->pts= ist->next_pts;
1511 if(avpkt.size && avpkt.size != pkt->size &&
1512 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1513 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1514 ist->showed_multi_packet_warning=1;
1517 /* decode the packet if needed */
1518 decoded_data_buf = NULL; /* fail safe */
1519 decoded_data_size= 0;
1520 data_buf = avpkt.data;
1521 data_size = avpkt.size;
1522 subtitle_to_free = NULL;
1523 if (ist->decoding_needed) {
1524 switch(ist->st->codec->codec_type) {
1525 case AVMEDIA_TYPE_AUDIO:{
1526 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1527 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1529 samples= av_malloc(samples_size);
1531 decoded_data_size= samples_size;
1532 /* XXX: could avoid copy if PCM 16 bits with same
1533 endianness as CPU */
1534 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1541 got_output = decoded_data_size > 0;
1542 /* Some bug in mpeg audio decoder gives */
1543 /* decoded_data_size < 0, it seems they are overflows */
1545 /* no audio frame */
1548 decoded_data_buf = (uint8_t *)samples;
1549 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1550 (ist->st->codec->sample_rate * ist->st->codec->channels);
1552 case AVMEDIA_TYPE_VIDEO:
1553 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1554 /* XXX: allocate picture correctly */
1555 avcodec_get_frame_defaults(&picture);
1556 avpkt.pts = pkt_pts;
1557 avpkt.dts = ist->pts;
1558 pkt_pts = AV_NOPTS_VALUE;
1560 ret = avcodec_decode_video2(ist->st->codec,
1561 &picture, &got_output, &avpkt);
1562 ist->st->quality= picture.quality;
1566 /* no picture yet */
1567 goto discard_packet;
1569 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1570 if (ist->st->codec->time_base.num != 0) {
1571 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1572 ist->next_pts += ((int64_t)AV_TIME_BASE *
1573 ist->st->codec->time_base.num * ticks) /
1574 ist->st->codec->time_base.den;
1577 buffer_to_free = NULL;
1578 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1580 case AVMEDIA_TYPE_SUBTITLE:
1581 ret = avcodec_decode_subtitle2(ist->st->codec,
1582 &subtitle, &got_output, &avpkt);
1586 goto discard_packet;
1588 subtitle_to_free = &subtitle;
1595 switch(ist->st->codec->codec_type) {
1596 case AVMEDIA_TYPE_AUDIO:
1597 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1598 ist->st->codec->sample_rate;
1600 case AVMEDIA_TYPE_VIDEO:
1601 if (ist->st->codec->time_base.num != 0) {
1602 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1603 ist->next_pts += ((int64_t)AV_TIME_BASE *
1604 ist->st->codec->time_base.num * ticks) /
1605 ist->st->codec->time_base.den;
1614 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1615 for (i = 0; i < nb_ostreams; i++) {
1617 if (ost->input_video_filter && ost->source_index == ist_index) {
1619 if (ist->st->sample_aspect_ratio.num)
1620 sar = ist->st->sample_aspect_ratio;
1622 sar = ist->st->codec->sample_aspect_ratio;
1623 // add it to be filtered
1624 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1632 // preprocess audio (volume)
1633 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1634 if (audio_volume != 256) {
1637 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1638 int v = ((*volp) * audio_volume + 128) >> 8;
1639 if (v < -32768) v = -32768;
1640 if (v > 32767) v = 32767;
1646 /* frame rate emulation */
1648 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1649 int64_t now = av_gettime() - ist->start;
1653 /* if output time reached then transcode raw format,
1654 encode packets and output them */
1655 if (start_time == 0 || ist->pts >= start_time)
1656 for(i=0;i<nb_ostreams;i++) {
1660 if (ost->source_index == ist_index) {
1662 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1663 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1664 while (frame_available) {
1665 AVRational ist_pts_tb;
1666 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1667 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1669 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1671 os = output_files[ost->file_index];
1673 /* set the input output pts pairs */
1674 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1676 if (ost->encoding_needed) {
1677 av_assert0(ist->decoding_needed);
1678 switch(ost->st->codec->codec_type) {
1679 case AVMEDIA_TYPE_AUDIO:
1680 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1682 case AVMEDIA_TYPE_VIDEO:
1684 if (ost->picref->video && !ost->frame_aspect_ratio)
1685 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1687 do_video_out(os, ost, ist, &picture, &frame_size);
1688 if (vstats_filename && frame_size)
1689 do_video_stats(os, ost, frame_size);
1691 case AVMEDIA_TYPE_SUBTITLE:
1692 do_subtitle_out(os, ost, ist, &subtitle,
1699 AVFrame avframe; //FIXME/XXX remove this
1701 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1703 av_init_packet(&opkt);
1705 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1706 #if !CONFIG_AVFILTER
1712 /* no reencoding needed : output the packet directly */
1713 /* force the input stream PTS */
1715 avcodec_get_frame_defaults(&avframe);
1716 ost->st->codec->coded_frame= &avframe;
1717 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1719 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1720 audio_size += data_size;
1721 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1722 video_size += data_size;
1726 opkt.stream_index= ost->index;
1727 if(pkt->pts != AV_NOPTS_VALUE)
1728 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1730 opkt.pts= AV_NOPTS_VALUE;
1732 if (pkt->dts == AV_NOPTS_VALUE)
1733 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1735 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1736 opkt.dts -= ost_tb_start_time;
1738 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1739 opkt.flags= pkt->flags;
1741 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1742 if( ost->st->codec->codec_id != CODEC_ID_H264
1743 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1744 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1746 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1747 opkt.destruct= av_destruct_packet;
1749 opkt.data = data_buf;
1750 opkt.size = data_size;
1753 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1754 ost->st->codec->frame_number++;
1755 ost->frame_number++;
1756 av_free_packet(&opkt);
1760 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1761 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1763 avfilter_unref_buffer(ost->picref);
1769 av_free(buffer_to_free);
1770 /* XXX: allocate the subtitles in the codec ? */
1771 if (subtitle_to_free) {
1772 avsubtitle_free(subtitle_to_free);
1773 subtitle_to_free = NULL;
1780 for(i=0;i<nb_ostreams;i++) {
1782 if (ost->source_index == ist_index) {
1783 AVCodecContext *enc= ost->st->codec;
1784 os = output_files[ost->file_index];
1786 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1788 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1791 if (ost->encoding_needed) {
1795 av_init_packet(&pkt);
1796 pkt.stream_index= ost->index;
1798 switch(ost->st->codec->codec_type) {
1799 case AVMEDIA_TYPE_AUDIO:
1800 fifo_bytes = av_fifo_size(ost->fifo);
1802 /* encode any samples remaining in fifo */
1803 if (fifo_bytes > 0) {
1804 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1805 int fs_tmp = enc->frame_size;
1807 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1808 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1809 enc->frame_size = fifo_bytes / (osize * enc->channels);
1811 int frame_bytes = enc->frame_size*osize*enc->channels;
1812 if (allocated_audio_buf_size < frame_bytes)
1814 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1817 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1818 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1819 ost->st->time_base.num, enc->sample_rate);
1820 enc->frame_size = fs_tmp;
1823 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1826 fprintf(stderr, "Audio encoding failed\n");
1830 pkt.flags |= AV_PKT_FLAG_KEY;
1832 case AVMEDIA_TYPE_VIDEO:
1833 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1835 fprintf(stderr, "Video encoding failed\n");
1839 if(enc->coded_frame && enc->coded_frame->key_frame)
1840 pkt.flags |= AV_PKT_FLAG_KEY;
1841 if (ost->logfile && enc->stats_out) {
1842 fprintf(ost->logfile, "%s", enc->stats_out);
1851 pkt.data= bit_buffer;
1853 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1854 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1855 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1867 static void print_sdp(AVFormatContext **avc, int n)
1871 av_sdp_create(avc, n, sdp, sizeof(sdp));
1872 printf("SDP:\n%s\n", sdp);
1876 static int copy_chapters(int infile, int outfile)
1878 AVFormatContext *is = input_files[infile].ctx;
1879 AVFormatContext *os = output_files[outfile];
1882 for (i = 0; i < is->nb_chapters; i++) {
1883 AVChapter *in_ch = is->chapters[i], *out_ch;
1884 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1885 AV_TIME_BASE_Q, in_ch->time_base);
1886 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1887 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1890 if (in_ch->end < ts_off)
1892 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1895 out_ch = av_mallocz(sizeof(AVChapter));
1897 return AVERROR(ENOMEM);
1899 out_ch->id = in_ch->id;
1900 out_ch->time_base = in_ch->time_base;
1901 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1902 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1904 if (metadata_chapters_autocopy)
1905 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1908 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1910 return AVERROR(ENOMEM);
1911 os->chapters[os->nb_chapters - 1] = out_ch;
1916 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1917 AVCodecContext *avctx)
1923 for (p = kf; *p; p++)
1926 ost->forced_kf_count = n;
1927 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1928 if (!ost->forced_kf_pts) {
1929 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1932 for (i = 0; i < n; i++) {
1933 p = i ? strchr(p, ',') + 1 : kf;
1934 t = parse_time_or_die("force_key_frames", p, 1);
1935 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1940 * The following code is the main loop of the file converter
1942 static int transcode(AVFormatContext **output_files,
1943 int nb_output_files,
1944 AVInputFile *input_files,
1946 AVStreamMap *stream_maps, int nb_stream_maps)
1948 int ret = 0, i, j, k, n, nb_ostreams = 0;
1949 AVFormatContext *is, *os;
1950 AVCodecContext *codec, *icodec;
1951 AVOutputStream *ost, **ost_table = NULL;
1955 uint8_t no_packet[MAX_FILES]={0};
1956 int no_packet_count=0;
1959 for (i = 0; i < nb_input_streams; i++)
1960 input_streams[i].start = av_gettime();
1962 /* output stream init */
1964 for(i=0;i<nb_output_files;i++) {
1965 os = output_files[i];
1966 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1967 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1968 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1969 ret = AVERROR(EINVAL);
1972 nb_ostreams += os->nb_streams;
1974 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1975 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1976 ret = AVERROR(EINVAL);
1980 /* Sanity check the mapping args -- do the input files & streams exist? */
1981 for(i=0;i<nb_stream_maps;i++) {
1982 int fi = stream_maps[i].file_index;
1983 int si = stream_maps[i].stream_index;
1985 if (fi < 0 || fi > nb_input_files - 1 ||
1986 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1987 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1988 ret = AVERROR(EINVAL);
1991 fi = stream_maps[i].sync_file_index;
1992 si = stream_maps[i].sync_stream_index;
1993 if (fi < 0 || fi > nb_input_files - 1 ||
1994 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1995 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1996 ret = AVERROR(EINVAL);
2001 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2005 for(k=0;k<nb_output_files;k++) {
2006 os = output_files[k];
2007 for(i=0;i<os->nb_streams;i++,n++) {
2009 ost = ost_table[n] = output_streams_for_file[k][i];
2010 ost->st = os->streams[i];
2011 if (nb_stream_maps > 0) {
2012 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2013 stream_maps[n].stream_index;
2015 /* Sanity check that the stream types match */
2016 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2017 int i= ost->file_index;
2018 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2019 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2020 stream_maps[n].file_index, stream_maps[n].stream_index,
2021 ost->file_index, ost->index);
2026 int best_nb_frames=-1;
2027 /* get corresponding input stream index : we select the first one with the right type */
2029 for (j = 0; j < nb_input_streams; j++) {
2031 ist = &input_streams[j];
2034 AVFormatContext *f = input_files[ist->file_index].ctx;
2036 for(pi=0; pi<f->nb_programs; pi++){
2037 AVProgram *p= f->programs[pi];
2038 if(p->id == opt_programid)
2039 for(si=0; si<p->nb_stream_indexes; si++){
2040 if(f->streams[ p->stream_index[si] ] == ist->st)
2045 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2046 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2047 if(best_nb_frames < ist->st->codec_info_nb_frames){
2048 best_nb_frames= ist->st->codec_info_nb_frames;
2049 ost->source_index = j;
2056 if(! opt_programid) {
2057 /* try again and reuse existing stream */
2058 for (j = 0; j < nb_input_streams; j++) {
2059 ist = &input_streams[j];
2060 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2061 && ist->st->discard != AVDISCARD_ALL) {
2062 ost->source_index = j;
2068 int i= ost->file_index;
2069 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2070 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2071 ost->file_index, ost->index);
2076 ist = &input_streams[ost->source_index];
2078 ost->sync_ist = (nb_stream_maps > 0) ?
2079 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2080 stream_maps[n].sync_stream_index] : ist;
2084 /* for each output stream, we compute the right encoding parameters */
2085 for(i=0;i<nb_ostreams;i++) {
2087 os = output_files[ost->file_index];
2088 ist = &input_streams[ost->source_index];
2090 codec = ost->st->codec;
2091 icodec = ist->st->codec;
2093 if (metadata_streams_autocopy)
2094 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2095 AV_DICT_DONT_OVERWRITE);
2097 ost->st->disposition = ist->st->disposition;
2098 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2099 codec->chroma_sample_location = icodec->chroma_sample_location;
2101 if (ost->st->stream_copy) {
2102 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2104 if (extra_size > INT_MAX)
2107 /* if stream_copy is selected, no need to decode or encode */
2108 codec->codec_id = icodec->codec_id;
2109 codec->codec_type = icodec->codec_type;
2111 if(!codec->codec_tag){
2112 if( !os->oformat->codec_tag
2113 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2114 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2115 codec->codec_tag = icodec->codec_tag;
2118 codec->bit_rate = icodec->bit_rate;
2119 codec->rc_max_rate = icodec->rc_max_rate;
2120 codec->rc_buffer_size = icodec->rc_buffer_size;
2121 codec->extradata= av_mallocz(extra_size);
2122 if (!codec->extradata)
2124 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2125 codec->extradata_size= icodec->extradata_size;
2126 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){
2127 codec->time_base = icodec->time_base;
2128 codec->time_base.num *= icodec->ticks_per_frame;
2129 av_reduce(&codec->time_base.num, &codec->time_base.den,
2130 codec->time_base.num, codec->time_base.den, INT_MAX);
2132 codec->time_base = ist->st->time_base;
2133 switch(codec->codec_type) {
2134 case AVMEDIA_TYPE_AUDIO:
2135 if(audio_volume != 256) {
2136 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2139 codec->channel_layout = icodec->channel_layout;
2140 codec->sample_rate = icodec->sample_rate;
2141 codec->channels = icodec->channels;
2142 codec->frame_size = icodec->frame_size;
2143 codec->audio_service_type = icodec->audio_service_type;
2144 codec->block_align= icodec->block_align;
2145 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2146 codec->block_align= 0;
2147 if(codec->codec_id == CODEC_ID_AC3)
2148 codec->block_align= 0;
2150 case AVMEDIA_TYPE_VIDEO:
2151 codec->pix_fmt = icodec->pix_fmt;
2152 codec->width = icodec->width;
2153 codec->height = icodec->height;
2154 codec->has_b_frames = icodec->has_b_frames;
2155 if (!codec->sample_aspect_ratio.num) {
2156 codec->sample_aspect_ratio =
2157 ost->st->sample_aspect_ratio =
2158 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2159 ist->st->codec->sample_aspect_ratio.num ?
2160 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2163 case AVMEDIA_TYPE_SUBTITLE:
2164 codec->width = icodec->width;
2165 codec->height = icodec->height;
2167 case AVMEDIA_TYPE_DATA:
2174 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2175 switch(codec->codec_type) {
2176 case AVMEDIA_TYPE_AUDIO:
2177 ost->fifo= av_fifo_alloc(1024);
2180 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2181 if (!codec->sample_rate) {
2182 codec->sample_rate = icodec->sample_rate;
2184 codec->sample_rate >>= icodec->lowres;
2186 choose_sample_rate(ost->st, ost->enc);
2187 codec->time_base = (AVRational){1, codec->sample_rate};
2188 if (!codec->channels)
2189 codec->channels = icodec->channels;
2190 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2191 codec->channel_layout = 0;
2192 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2193 icodec->request_channels = codec->channels;
2194 ist->decoding_needed = 1;
2195 ost->encoding_needed = 1;
2196 ost->resample_sample_fmt = icodec->sample_fmt;
2197 ost->resample_sample_rate = icodec->sample_rate;
2198 ost->resample_channels = icodec->channels;
2200 case AVMEDIA_TYPE_VIDEO:
2201 if (codec->pix_fmt == PIX_FMT_NONE)
2202 codec->pix_fmt = icodec->pix_fmt;
2203 choose_pixel_fmt(ost->st, ost->enc);
2205 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2206 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2209 ost->video_resample = codec->width != icodec->width ||
2210 codec->height != icodec->height ||
2211 codec->pix_fmt != icodec->pix_fmt;
2212 if (ost->video_resample) {
2213 #if !CONFIG_AVFILTER
2214 avcodec_get_frame_defaults(&ost->pict_tmp);
2215 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2216 codec->width, codec->height)) {
2217 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2220 ost->img_resample_ctx = sws_getContext(
2227 ost->sws_flags, NULL, NULL, NULL);
2228 if (ost->img_resample_ctx == NULL) {
2229 fprintf(stderr, "Cannot get resampling context\n");
2233 codec->bits_per_raw_sample= 0;
2235 if (!codec->width || !codec->height) {
2236 codec->width = icodec->width;
2237 codec->height = icodec->height;
2239 ost->resample_height = icodec->height;
2240 ost->resample_width = icodec->width;
2241 ost->resample_pix_fmt= icodec->pix_fmt;
2242 ost->encoding_needed = 1;
2243 ist->decoding_needed = 1;
2245 if (!ost->frame_rate.num)
2246 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2247 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2248 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2249 ost->frame_rate = ost->enc->supported_framerates[idx];
2251 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2254 if (configure_video_filters(ist, ost)) {
2255 fprintf(stderr, "Error opening filters!\n");
2260 case AVMEDIA_TYPE_SUBTITLE:
2261 ost->encoding_needed = 1;
2262 ist->decoding_needed = 1;
2269 if (ost->encoding_needed &&
2270 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2271 char logfilename[1024];
2274 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2275 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2277 if (codec->flags & CODEC_FLAG_PASS1) {
2278 f = fopen(logfilename, "wb");
2280 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2286 size_t logbuffer_size;
2287 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2288 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2291 codec->stats_in = logbuffer;
2295 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2296 int size= codec->width * codec->height;
2297 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2302 bit_buffer = av_malloc(bit_buffer_size);
2304 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2306 ret = AVERROR(ENOMEM);
2310 /* open each encoder */
2311 for(i=0;i<nb_ostreams;i++) {
2313 if (ost->encoding_needed) {
2314 AVCodec *codec = ost->enc;
2315 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2317 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2318 ost->st->codec->codec_id, ost->file_index, ost->index);
2319 ret = AVERROR(EINVAL);
2322 if (dec->subtitle_header) {
2323 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2324 if (!ost->st->codec->subtitle_header) {
2325 ret = AVERROR(ENOMEM);
2328 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2329 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2331 if (avcodec_open(ost->st->codec, codec) < 0) {
2332 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2333 ost->file_index, ost->index);
2334 ret = AVERROR(EINVAL);
2337 extra_size += ost->st->codec->extradata_size;
2341 /* open each decoder */
2342 for (i = 0; i < nb_input_streams; i++) {
2343 ist = &input_streams[i];
2344 if (ist->decoding_needed) {
2345 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2347 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2349 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2350 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2351 ret = AVERROR(EINVAL);
2355 /* update requested sample format for the decoder based on the
2356 corresponding encoder sample format */
2357 for (j = 0; j < nb_ostreams; j++) {
2359 if (ost->source_index == i) {
2360 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2365 if (avcodec_open(ist->st->codec, codec) < 0) {
2366 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2367 ist->file_index, ist->st->index);
2368 ret = AVERROR(EINVAL);
2371 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2372 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2377 for (i = 0; i < nb_input_streams; i++) {
2379 ist = &input_streams[i];
2381 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2382 ist->next_pts = AV_NOPTS_VALUE;
2383 init_pts_correction(&ist->pts_ctx);
2387 /* set meta data information from input file if required */
2388 for (i=0;i<nb_meta_data_maps;i++) {
2389 AVFormatContext *files[2];
2390 AVDictionary **meta[2];
2393 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2394 if ((index) < 0 || (index) >= (nb_elems)) {\
2395 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2397 ret = AVERROR(EINVAL);\
2401 int out_file_index = meta_data_maps[i][0].file;
2402 int in_file_index = meta_data_maps[i][1].file;
2403 if (in_file_index < 0 || out_file_index < 0)
2405 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2406 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2408 files[0] = output_files[out_file_index];
2409 files[1] = input_files[in_file_index].ctx;
2411 for (j = 0; j < 2; j++) {
2412 AVMetaDataMap *map = &meta_data_maps[i][j];
2414 switch (map->type) {
2416 meta[j] = &files[j]->metadata;
2419 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2420 meta[j] = &files[j]->streams[map->index]->metadata;
2423 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2424 meta[j] = &files[j]->chapters[map->index]->metadata;
2427 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2428 meta[j] = &files[j]->programs[map->index]->metadata;
2433 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2436 /* copy global metadata by default */
2437 if (metadata_global_autocopy) {
2439 for (i = 0; i < nb_output_files; i++)
2440 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2441 AV_DICT_DONT_OVERWRITE);
2444 /* copy chapters according to chapter maps */
2445 for (i = 0; i < nb_chapter_maps; i++) {
2446 int infile = chapter_maps[i].in_file;
2447 int outfile = chapter_maps[i].out_file;
2449 if (infile < 0 || outfile < 0)
2451 if (infile >= nb_input_files) {
2452 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2453 ret = AVERROR(EINVAL);
2456 if (outfile >= nb_output_files) {
2457 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2458 ret = AVERROR(EINVAL);
2461 copy_chapters(infile, outfile);
2464 /* copy chapters from the first input file that has them*/
2465 if (!nb_chapter_maps)
2466 for (i = 0; i < nb_input_files; i++) {
2467 if (!input_files[i].ctx->nb_chapters)
2470 for (j = 0; j < nb_output_files; j++)
2471 if ((ret = copy_chapters(i, j)) < 0)
2476 /* open files and write file headers */
2477 for(i=0;i<nb_output_files;i++) {
2478 os = output_files[i];
2479 if (avformat_write_header(os, &output_opts[i]) < 0) {
2480 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2481 ret = AVERROR(EINVAL);
2484 assert_avoptions(output_opts[i]);
2485 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2491 /* dump the file output parameters - cannot be done before in case
2493 for(i=0;i<nb_output_files;i++) {
2494 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2497 /* dump the stream mapping */
2499 fprintf(stderr, "Stream mapping:\n");
2500 for(i=0;i<nb_ostreams;i++) {
2502 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2503 input_streams[ost->source_index].file_index,
2504 input_streams[ost->source_index].st->index,
2507 if (ost->sync_ist != &input_streams[ost->source_index])
2508 fprintf(stderr, " [sync #%d.%d]",
2509 ost->sync_ist->file_index,
2510 ost->sync_ist->st->index);
2511 fprintf(stderr, "\n");
2516 fprintf(stderr, "%s\n", error);
2521 print_sdp(output_files, nb_output_files);
2525 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2528 timer_start = av_gettime();
2530 for(; received_sigterm == 0;) {
2531 int file_index, ist_index;
2540 /* select the stream that we must read now by looking at the
2541 smallest output pts */
2543 for(i=0;i<nb_ostreams;i++) {
2546 os = output_files[ost->file_index];
2547 ist = &input_streams[ost->source_index];
2548 if(ist->is_past_recording_time || no_packet[ist->file_index])
2550 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2551 ipts = (double)ist->pts;
2552 if (!input_files[ist->file_index].eof_reached){
2553 if(ipts < ipts_min) {
2555 if(input_sync ) file_index = ist->file_index;
2557 if(opts < opts_min) {
2559 if(!input_sync) file_index = ist->file_index;
2562 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2567 /* if none, if is finished */
2568 if (file_index < 0) {
2569 if(no_packet_count){
2571 memset(no_packet, 0, sizeof(no_packet));
2578 /* finish if limit size exhausted */
2579 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2582 /* read a frame from it and output it in the fifo */
2583 is = input_files[file_index].ctx;
2584 ret= av_read_frame(is, &pkt);
2585 if(ret == AVERROR(EAGAIN)){
2586 no_packet[file_index]=1;
2591 input_files[file_index].eof_reached = 1;
2599 memset(no_packet, 0, sizeof(no_packet));
2602 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2603 is->streams[pkt.stream_index]);
2605 /* the following test is needed in case new streams appear
2606 dynamically in stream : we ignore them */
2607 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2608 goto discard_packet;
2609 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2610 ist = &input_streams[ist_index];
2612 goto discard_packet;
2614 if (pkt.dts != AV_NOPTS_VALUE)
2615 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2616 if (pkt.pts != AV_NOPTS_VALUE)
2617 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2619 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2620 && input_files_ts_scale[file_index][pkt.stream_index]){
2621 if(pkt.pts != AV_NOPTS_VALUE)
2622 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2623 if(pkt.dts != AV_NOPTS_VALUE)
2624 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2627 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2628 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2629 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2630 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2631 int64_t delta= pkt_dts - ist->next_pts;
2632 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2633 input_files_ts_offset[ist->file_index]-= delta;
2635 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2636 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2637 if(pkt.pts != AV_NOPTS_VALUE)
2638 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2642 /* finish if recording time exhausted */
2643 if (recording_time != INT64_MAX &&
2644 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2645 ist->is_past_recording_time = 1;
2646 goto discard_packet;
2649 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2650 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2653 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2654 ist->file_index, ist->st->index);
2657 av_free_packet(&pkt);
2662 av_free_packet(&pkt);
2664 /* dump report by using the output first video and audio streams */
2665 print_report(output_files, ost_table, nb_ostreams, 0);
2668 /* at the end of stream, we must flush the decoder buffers */
2669 for (i = 0; i < nb_input_streams; i++) {
2670 ist = &input_streams[i];
2671 if (ist->decoding_needed) {
2672 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2678 /* write the trailer if needed and close file */
2679 for(i=0;i<nb_output_files;i++) {
2680 os = output_files[i];
2681 av_write_trailer(os);
2684 /* dump report by using the first video and audio streams */
2685 print_report(output_files, ost_table, nb_ostreams, 1);
2687 /* close each encoder */
2688 for(i=0;i<nb_ostreams;i++) {
2690 if (ost->encoding_needed) {
2691 av_freep(&ost->st->codec->stats_in);
2692 avcodec_close(ost->st->codec);
2695 avfilter_graph_free(&ost->graph);
2699 /* close each decoder */
2700 for (i = 0; i < nb_input_streams; i++) {
2701 ist = &input_streams[i];
2702 if (ist->decoding_needed) {
2703 avcodec_close(ist->st->codec);
2711 av_freep(&bit_buffer);
2714 for(i=0;i<nb_ostreams;i++) {
2717 if (ost->st->stream_copy)
2718 av_freep(&ost->st->codec->extradata);
2720 fclose(ost->logfile);
2721 ost->logfile = NULL;
2723 av_fifo_free(ost->fifo); /* works even if fifo is not
2724 initialized but set to zero */
2725 av_freep(&ost->st->codec->subtitle_header);
2726 av_free(ost->pict_tmp.data[0]);
2727 av_free(ost->forced_kf_pts);
2728 if (ost->video_resample)
2729 sws_freeContext(ost->img_resample_ctx);
2731 audio_resample_close(ost->resample);
2732 if (ost->reformat_ctx)
2733 av_audio_convert_free(ost->reformat_ctx);
2742 static int opt_format(const char *opt, const char *arg)
2744 last_asked_format = arg;
2748 static int opt_video_rc_override_string(const char *opt, const char *arg)
2750 video_rc_override_string = arg;
2754 static int opt_me_threshold(const char *opt, const char *arg)
2756 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2760 static int opt_verbose(const char *opt, const char *arg)
2762 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2766 static int opt_frame_rate(const char *opt, const char *arg)
2768 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2769 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2775 static int opt_bitrate(const char *opt, const char *arg)
2777 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2779 opt_default(opt, arg);
2781 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2782 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2787 static int opt_frame_crop(const char *opt, const char *arg)
2789 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2790 return AVERROR(EINVAL);
2793 static int opt_frame_size(const char *opt, const char *arg)
2795 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2796 fprintf(stderr, "Incorrect frame size\n");
2797 return AVERROR(EINVAL);
2802 static int opt_pad(const char *opt, const char *arg) {
2803 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2807 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2809 if (strcmp(arg, "list")) {
2810 frame_pix_fmt = av_get_pix_fmt(arg);
2811 if (frame_pix_fmt == PIX_FMT_NONE) {
2812 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2813 return AVERROR(EINVAL);
2822 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2829 p = strchr(arg, ':');
2831 x = strtol(arg, &end, 10);
2833 y = strtol(end+1, &end, 10);
2835 ar = (double)x / (double)y;
2837 ar = strtod(arg, NULL);
2840 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2841 return AVERROR(EINVAL);
2843 frame_aspect_ratio = ar;
2847 static int opt_metadata(const char *opt, const char *arg)
2849 char *mid= strchr(arg, '=');
2852 fprintf(stderr, "Missing =\n");
2857 av_dict_set(&metadata, arg, mid, 0);
2862 static int opt_qscale(const char *opt, const char *arg)
2864 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2865 if (video_qscale == 0) {
2866 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2867 return AVERROR(EINVAL);
2872 static int opt_top_field_first(const char *opt, const char *arg)
2874 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2878 static int opt_thread_count(const char *opt, const char *arg)
2880 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2883 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2888 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2890 if (strcmp(arg, "list")) {
2891 audio_sample_fmt = av_get_sample_fmt(arg);
2892 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2893 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2894 return AVERROR(EINVAL);
2899 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2900 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2906 static int opt_audio_rate(const char *opt, const char *arg)
2908 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2912 static int opt_audio_channels(const char *opt, const char *arg)
2914 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2918 static int opt_video_channel(const char *opt, const char *arg)
2920 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2921 opt_default("channel", arg);
2925 static int opt_video_standard(const char *opt, const char *arg)
2927 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2928 opt_default("standard", arg);
2932 static int opt_codec(int *pstream_copy, char **pcodec_name,
2933 int codec_type, const char *arg)
2935 av_freep(pcodec_name);
2936 if (!strcmp(arg, "copy")) {
2939 *pcodec_name = av_strdup(arg);
2944 static int opt_audio_codec(const char *opt, const char *arg)
2946 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2949 static int opt_video_codec(const char *opt, const char *arg)
2951 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2954 static int opt_subtitle_codec(const char *opt, const char *arg)
2956 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2959 static int opt_data_codec(const char *opt, const char *arg)
2961 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2964 static int opt_codec_tag(const char *opt, const char *arg)
2967 uint32_t *codec_tag;
2969 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2970 !strcmp(opt, "vtag") ? &video_codec_tag :
2971 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2975 *codec_tag = strtol(arg, &tail, 0);
2977 *codec_tag = AV_RL32(arg);
2982 static int opt_map(const char *opt, const char *arg)
2987 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2988 m = &stream_maps[nb_stream_maps-1];
2990 m->file_index = strtol(arg, &p, 0);
2994 m->stream_index = strtol(p, &p, 0);
2997 m->sync_file_index = strtol(p, &p, 0);
3000 m->sync_stream_index = strtol(p, &p, 0);
3002 m->sync_file_index = m->file_index;
3003 m->sync_stream_index = m->stream_index;
3008 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3019 *index = strtol(++arg, endptr, 0);
3022 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3029 static int opt_map_metadata(const char *opt, const char *arg)
3031 AVMetaDataMap *m, *m1;
3034 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3035 &nb_meta_data_maps, nb_meta_data_maps + 1);
3037 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3038 m->file = strtol(arg, &p, 0);
3039 parse_meta_type(p, &m->type, &m->index, &p);
3043 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3044 m1->file = strtol(p, &p, 0);
3045 parse_meta_type(p, &m1->type, &m1->index, &p);
3047 if (m->type == 'g' || m1->type == 'g')
3048 metadata_global_autocopy = 0;
3049 if (m->type == 's' || m1->type == 's')
3050 metadata_streams_autocopy = 0;
3051 if (m->type == 'c' || m1->type == 'c')
3052 metadata_chapters_autocopy = 0;
3057 static int opt_map_meta_data(const char *opt, const char *arg)
3059 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3060 "Use -map_metadata instead.\n");
3061 return opt_map_metadata(opt, arg);
3064 static int opt_map_chapters(const char *opt, const char *arg)
3069 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3070 nb_chapter_maps + 1);
3071 c = &chapter_maps[nb_chapter_maps - 1];
3072 c->out_file = strtol(arg, &p, 0);
3076 c->in_file = strtol(p, &p, 0);
3080 static int opt_input_ts_scale(const char *opt, const char *arg)
3082 unsigned int stream;
3086 stream = strtol(arg, &p, 0);
3089 scale= strtod(p, &p);
3091 if(stream >= MAX_STREAMS)
3094 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);
3095 input_files_ts_scale[nb_input_files][stream]= scale;
3099 static int opt_recording_time(const char *opt, const char *arg)
3101 recording_time = parse_time_or_die(opt, arg, 1);
3105 static int opt_start_time(const char *opt, const char *arg)
3107 start_time = parse_time_or_die(opt, arg, 1);
3111 static int opt_recording_timestamp(const char *opt, const char *arg)
3113 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3117 static int opt_input_ts_offset(const char *opt, const char *arg)
3119 input_ts_offset = parse_time_or_die(opt, arg, 1);
3123 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3125 const char *codec_string = encoder ? "encoder" : "decoder";
3129 return CODEC_ID_NONE;
3131 avcodec_find_encoder_by_name(name) :
3132 avcodec_find_decoder_by_name(name);
3134 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3137 if(codec->type != type) {
3138 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3141 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3142 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3143 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3144 "results.\nAdd '-strict experimental' if you want to use it.\n",
3145 codec_string, codec->name);
3147 avcodec_find_encoder(codec->id) :
3148 avcodec_find_decoder(codec->id);
3149 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3150 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3151 codec_string, codec->name);
3157 static int opt_input_file(const char *opt, const char *filename)
3159 AVFormatContext *ic;
3160 AVInputFormat *file_iformat = NULL;
3161 int err, i, ret, rfps, rfps_base;
3165 if (last_asked_format) {
3166 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3167 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3170 last_asked_format = NULL;
3173 if (!strcmp(filename, "-"))
3176 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3177 !strcmp(filename, "/dev/stdin");
3179 /* get default parameters from command line */
3180 ic = avformat_alloc_context();
3182 print_error(filename, AVERROR(ENOMEM));
3185 if (audio_sample_rate) {
3186 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3187 av_dict_set(&format_opts, "sample_rate", buf, 0);
3189 if (audio_channels) {
3190 snprintf(buf, sizeof(buf), "%d", audio_channels);
3191 av_dict_set(&format_opts, "channels", buf, 0);
3193 if (frame_rate.num) {
3194 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3195 av_dict_set(&format_opts, "framerate", buf, 0);
3197 if (frame_width && frame_height) {
3198 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3199 av_dict_set(&format_opts, "video_size", buf, 0);
3201 if (frame_pix_fmt != PIX_FMT_NONE)
3202 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3204 ic->video_codec_id =
3205 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3206 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3207 ic->audio_codec_id =
3208 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3209 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3210 ic->subtitle_codec_id=
3211 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3212 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3213 ic->flags |= AVFMT_FLAG_NONBLOCK;
3215 /* open the input file with generic libav function */
3216 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3218 print_error(filename, err);
3221 assert_avoptions(format_opts);
3226 for(i=0; i<ic->nb_streams; i++){
3227 ic->streams[i]->discard= AVDISCARD_ALL;
3229 for(i=0; i<ic->nb_programs; i++){
3230 AVProgram *p= ic->programs[i];
3231 if(p->id != opt_programid){
3232 p->discard = AVDISCARD_ALL;
3235 for(j=0; j<p->nb_stream_indexes; j++){
3236 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3241 fprintf(stderr, "Specified program id not found\n");
3247 ic->loop_input = loop_input;
3249 /* Set AVCodecContext options so they will be seen by av_find_stream_info() */
3250 for (i = 0; i < ic->nb_streams; i++) {
3251 AVCodecContext *dec = ic->streams[i]->codec;
3252 switch (dec->codec_type) {
3253 case AVMEDIA_TYPE_AUDIO:
3254 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO],
3255 AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3258 case AVMEDIA_TYPE_VIDEO:
3259 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
3260 AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3266 /* If not enough info to get the stream parameters, we decode the
3267 first frames to get it. (used in mpeg case for example) */
3268 ret = av_find_stream_info(ic);
3269 if (ret < 0 && verbose >= 0) {
3270 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3271 av_close_input_file(ic);
3275 timestamp = start_time;
3276 /* add the stream start time */
3277 if (ic->start_time != AV_NOPTS_VALUE)
3278 timestamp += ic->start_time;
3280 /* if seeking requested, we execute it */
3281 if (start_time != 0) {
3282 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3284 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3285 filename, (double)timestamp / AV_TIME_BASE);
3287 /* reset seek info */
3291 /* update the current parameters so that they match the one of the input stream */
3292 for(i=0;i<ic->nb_streams;i++) {
3293 AVStream *st = ic->streams[i];
3294 AVCodecContext *dec = st->codec;
3297 dec->thread_count = thread_count;
3298 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3300 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3301 ist = &input_streams[nb_input_streams - 1];
3303 ist->file_index = nb_input_files;
3306 switch (dec->codec_type) {
3307 case AVMEDIA_TYPE_AUDIO:
3308 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3309 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3310 channel_layout = dec->channel_layout;
3311 audio_sample_fmt = dec->sample_fmt;
3313 st->discard= AVDISCARD_ALL;
3315 case AVMEDIA_TYPE_VIDEO:
3316 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3317 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3318 rfps = ic->streams[i]->r_frame_rate.num;
3319 rfps_base = ic->streams[i]->r_frame_rate.den;
3321 dec->flags |= CODEC_FLAG_EMU_EDGE;
3322 dec->height >>= dec->lowres;
3323 dec->width >>= dec->lowres;
3326 dec->debug |= FF_DEBUG_MV;
3328 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3331 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3332 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3334 (float)rfps / rfps_base, rfps, rfps_base);
3338 st->discard= AVDISCARD_ALL;
3339 else if(video_discard)
3340 st->discard= video_discard;
3342 case AVMEDIA_TYPE_DATA:
3344 case AVMEDIA_TYPE_SUBTITLE:
3345 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3346 if(subtitle_disable)
3347 st->discard = AVDISCARD_ALL;
3349 case AVMEDIA_TYPE_ATTACHMENT:
3350 case AVMEDIA_TYPE_UNKNOWN:
3357 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3358 /* dump the file content */
3360 av_dump_format(ic, nb_input_files, filename, 0);
3362 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3363 input_files[nb_input_files - 1].ctx = ic;
3364 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3366 frame_rate = (AVRational){0, 0};
3367 frame_pix_fmt = PIX_FMT_NONE;
3370 audio_sample_rate = 0;
3373 av_freep(&video_codec_name);
3374 av_freep(&audio_codec_name);
3375 av_freep(&subtitle_codec_name);
3381 static void check_inputs(int *has_video_ptr,
3383 int *has_subtitle_ptr,
3386 int has_video, has_audio, has_subtitle, has_data, i, j;
3387 AVFormatContext *ic;
3394 for(j=0;j<nb_input_files;j++) {
3395 ic = input_files[j].ctx;
3396 for(i=0;i<ic->nb_streams;i++) {
3397 AVCodecContext *enc = ic->streams[i]->codec;
3398 switch(enc->codec_type) {
3399 case AVMEDIA_TYPE_AUDIO:
3402 case AVMEDIA_TYPE_VIDEO:
3405 case AVMEDIA_TYPE_SUBTITLE:
3408 case AVMEDIA_TYPE_DATA:
3409 case AVMEDIA_TYPE_ATTACHMENT:
3410 case AVMEDIA_TYPE_UNKNOWN:
3418 *has_video_ptr = has_video;
3419 *has_audio_ptr = has_audio;
3420 *has_subtitle_ptr = has_subtitle;
3421 *has_data_ptr = has_data;
3424 static void new_video_stream(AVFormatContext *oc, int file_idx)
3427 AVOutputStream *ost;
3428 AVCodecContext *video_enc;
3429 enum CodecID codec_id = CODEC_ID_NONE;
3430 AVCodec *codec= NULL;
3432 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3434 fprintf(stderr, "Could not alloc stream\n");
3437 ost = new_output_stream(oc, file_idx);
3439 if(!video_stream_copy){
3440 if (video_codec_name) {
3441 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3442 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3443 codec = avcodec_find_encoder_by_name(video_codec_name);
3446 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3447 codec = avcodec_find_encoder(codec_id);
3450 ost->frame_aspect_ratio = frame_aspect_ratio;
3451 frame_aspect_ratio = 0;
3453 ost->avfilter= vfilters;
3458 avcodec_get_context_defaults3(st->codec, codec);
3459 ost->bitstream_filters = video_bitstream_filters;
3460 video_bitstream_filters= NULL;
3462 st->codec->thread_count= thread_count;
3464 video_enc = st->codec;
3467 video_enc->codec_tag= video_codec_tag;
3469 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3470 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3471 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3474 if (video_stream_copy) {
3475 st->stream_copy = 1;
3476 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3477 video_enc->sample_aspect_ratio =
3478 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3484 ost->frame_rate = frame_rate;
3485 video_enc->codec_id = codec_id;
3486 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3488 video_enc->width = frame_width;
3489 video_enc->height = frame_height;
3490 video_enc->pix_fmt = frame_pix_fmt;
3491 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3494 video_enc->gop_size = 0;
3495 if (video_qscale || same_quality) {
3496 video_enc->flags |= CODEC_FLAG_QSCALE;
3497 video_enc->global_quality=
3498 st->quality = FF_QP2LAMBDA * video_qscale;
3502 video_enc->intra_matrix = intra_matrix;
3504 video_enc->inter_matrix = inter_matrix;
3506 p= video_rc_override_string;
3509 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3511 fprintf(stderr, "error parsing rc_override\n");
3514 video_enc->rc_override=
3515 av_realloc(video_enc->rc_override,
3516 sizeof(RcOverride)*(i+1));
3517 video_enc->rc_override[i].start_frame= start;
3518 video_enc->rc_override[i].end_frame = end;
3520 video_enc->rc_override[i].qscale= q;
3521 video_enc->rc_override[i].quality_factor= 1.0;
3524 video_enc->rc_override[i].qscale= 0;
3525 video_enc->rc_override[i].quality_factor= -q/100.0;
3530 video_enc->rc_override_count=i;
3531 if (!video_enc->rc_initial_buffer_occupancy)
3532 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3533 video_enc->me_threshold= me_threshold;
3534 video_enc->intra_dc_precision= intra_dc_precision - 8;
3537 video_enc->flags|= CODEC_FLAG_PSNR;
3542 video_enc->flags |= CODEC_FLAG_PASS1;
3544 video_enc->flags |= CODEC_FLAG_PASS2;
3548 if (forced_key_frames)
3549 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3551 if (video_language) {
3552 av_dict_set(&st->metadata, "language", video_language, 0);
3553 av_freep(&video_language);
3556 /* reset some key parameters */
3558 av_freep(&video_codec_name);
3559 av_freep(&forced_key_frames);
3560 video_stream_copy = 0;
3561 frame_pix_fmt = PIX_FMT_NONE;
3564 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3567 AVOutputStream *ost;
3568 AVCodec *codec= NULL;
3569 AVCodecContext *audio_enc;
3570 enum CodecID codec_id = CODEC_ID_NONE;
3572 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3574 fprintf(stderr, "Could not alloc stream\n");
3577 ost = new_output_stream(oc, file_idx);
3579 if(!audio_stream_copy){
3580 if (audio_codec_name) {
3581 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3582 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3583 codec = avcodec_find_encoder_by_name(audio_codec_name);
3586 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3587 codec = avcodec_find_encoder(codec_id);
3591 avcodec_get_context_defaults3(st->codec, codec);
3593 ost->bitstream_filters = audio_bitstream_filters;
3594 audio_bitstream_filters= NULL;
3596 st->codec->thread_count= thread_count;
3598 audio_enc = st->codec;
3599 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3602 audio_enc->codec_tag= audio_codec_tag;
3604 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3605 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3606 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3608 if (audio_stream_copy) {
3609 st->stream_copy = 1;
3611 audio_enc->codec_id = codec_id;
3612 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3614 if (audio_qscale > QSCALE_NONE) {
3615 audio_enc->flags |= CODEC_FLAG_QSCALE;
3616 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3619 audio_enc->channels = audio_channels;
3620 audio_enc->sample_fmt = audio_sample_fmt;
3621 if (audio_sample_rate)
3622 audio_enc->sample_rate = audio_sample_rate;
3623 audio_enc->channel_layout = channel_layout;
3624 choose_sample_fmt(st, codec);
3626 if (audio_language) {
3627 av_dict_set(&st->metadata, "language", audio_language, 0);
3628 av_freep(&audio_language);
3631 /* reset some key parameters */
3633 av_freep(&audio_codec_name);
3634 audio_stream_copy = 0;
3637 static void new_data_stream(AVFormatContext *oc, int file_idx)
3640 AVCodec *codec=NULL;
3641 AVCodecContext *data_enc;