3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/pixdesc.h"
44 #include "libavutil/avstring.h"
45 #include "libavutil/libm.h"
46 #include "libavformat/os_support.h"
48 #include "libavformat/ffm.h" // not public API
51 # include "libavfilter/avcodec.h"
52 # include "libavfilter/avfilter.h"
53 # include "libavfilter/avfiltergraph.h"
54 # include "libavfilter/vsrc_buffer.h"
57 #if HAVE_SYS_RESOURCE_H
58 #include <sys/types.h>
60 #include <sys/resource.h>
61 #elif HAVE_GETPROCESSTIMES
64 #if HAVE_GETPROCESSMEMORYINFO
70 #include <sys/select.h>
75 #include <sys/ioctl.h>
85 #include "libavutil/avassert.h"
87 const char program_name[] = "ffmpeg";
88 const int program_birth_year = 2000;
90 /* select an input stream for an output stream */
91 typedef struct AVStreamMap {
95 int sync_stream_index;
99 * select an input file for an output file
101 typedef struct AVMetaDataMap {
102 int file; //< file index
103 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
104 int index; //< stream/chapter/program number
107 typedef struct AVChapterMap {
112 static const OptionDef options[];
114 #define MAX_FILES 100
115 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
117 static const char *last_asked_format = NULL;
118 static int64_t input_files_ts_offset[MAX_FILES];
119 static double *input_files_ts_scale[MAX_FILES] = {NULL};
120 static AVCodec **input_codecs = NULL;
121 static int nb_input_codecs = 0;
122 static int nb_input_files_ts_scale[MAX_FILES] = {0};
124 static AVFormatContext *output_files[MAX_FILES];
125 static int nb_output_files = 0;
127 static AVStreamMap *stream_maps = NULL;
128 static int nb_stream_maps;
130 /* first item specifies output metadata, second is input */
131 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
132 static int nb_meta_data_maps;
133 static int metadata_global_autocopy = 1;
134 static int metadata_streams_autocopy = 1;
135 static int metadata_chapters_autocopy = 1;
137 static AVChapterMap *chapter_maps = NULL;
138 static int nb_chapter_maps;
140 /* indexed by output file stream index */
141 static int *streamid_map = NULL;
142 static int nb_streamid_map = 0;
144 static int frame_width = 0;
145 static int frame_height = 0;
146 static float frame_aspect_ratio = 0;
147 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
148 static int frame_bits_per_raw_sample = 0;
149 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
150 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
151 static AVRational frame_rate;
152 static float video_qscale = 0;
153 static uint16_t *intra_matrix = NULL;
154 static uint16_t *inter_matrix = NULL;
155 static const char *video_rc_override_string=NULL;
156 static int video_disable = 0;
157 static int video_discard = 0;
158 static char *video_codec_name = NULL;
159 static unsigned int video_codec_tag = 0;
160 static char *video_language = NULL;
161 static int same_quality = 0;
162 static int do_deinterlace = 0;
163 static int top_field_first = -1;
164 static int me_threshold = 0;
165 static int intra_dc_precision = 8;
166 static int loop_input = 0;
167 static int loop_output = AVFMT_NOOUTPUTLOOP;
168 static int qp_hist = 0;
170 static char *vfilters = NULL;
173 static int intra_only = 0;
174 static int audio_sample_rate = 0;
175 static int64_t channel_layout = 0;
176 #define QSCALE_NONE -99999
177 static float audio_qscale = QSCALE_NONE;
178 static int audio_disable = 0;
179 static int audio_channels = 0;
180 static char *audio_codec_name = NULL;
181 static unsigned int audio_codec_tag = 0;
182 static char *audio_language = NULL;
184 static int subtitle_disable = 0;
185 static char *subtitle_codec_name = NULL;
186 static char *subtitle_language = NULL;
187 static unsigned int subtitle_codec_tag = 0;
189 static int data_disable = 0;
190 static char *data_codec_name = NULL;
191 static unsigned int data_codec_tag = 0;
193 static float mux_preload= 0.5;
194 static float mux_max_delay= 0.7;
196 static int64_t recording_time = INT64_MAX;
197 static int64_t start_time = 0;
198 static int64_t recording_timestamp = 0;
199 static int64_t input_ts_offset = 0;
200 static int file_overwrite = 0;
201 static AVDictionary *metadata;
202 static int do_benchmark = 0;
203 static int do_hex_dump = 0;
204 static int do_pkt_dump = 0;
205 static int do_psnr = 0;
206 static int do_pass = 0;
207 static const char *pass_logfilename_prefix;
208 static int audio_stream_copy = 0;
209 static int video_stream_copy = 0;
210 static int subtitle_stream_copy = 0;
211 static int data_stream_copy = 0;
212 static int video_sync_method= -1;
213 static int audio_sync_method= 0;
214 static float audio_drift_threshold= 0.1;
215 static int copy_ts= 0;
216 static int copy_tb= 0;
217 static int opt_shortest = 0;
218 static char *vstats_filename;
219 static FILE *vstats_file;
220 static int opt_programid = 0;
221 static int copy_initial_nonkeyframes = 0;
223 static int rate_emu = 0;
225 static int video_channel = 0;
226 static char *video_standard;
228 static int audio_volume = 256;
230 static int exit_on_error = 0;
231 static int using_stdin = 0;
232 static int verbose = 1;
233 static int run_as_daemon = 0;
234 static int thread_count= 1;
235 static int q_pressed = 0;
236 static int64_t video_size = 0;
237 static int64_t audio_size = 0;
238 static int64_t extra_size = 0;
239 static int nb_frames_dup = 0;
240 static int nb_frames_drop = 0;
241 static int input_sync;
242 static uint64_t limit_filesize = 0;
243 static int force_fps = 0;
244 static char *forced_key_frames = NULL;
246 static float dts_delta_threshold = 10;
248 static int64_t timer_start;
250 static uint8_t *audio_buf;
251 static uint8_t *audio_out;
252 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
254 static short *samples;
256 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
257 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
258 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
260 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
262 struct AVInputStream;
264 typedef struct AVOutputStream {
265 int file_index; /* file index */
266 int index; /* stream index in the output file */
267 int source_index; /* AVInputStream index */
268 AVStream *st; /* stream in the output file */
269 int encoding_needed; /* true if encoding needed for this stream */
271 /* input pts and corresponding output pts
273 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
274 struct AVInputStream *sync_ist; /* input stream to sync against */
275 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
276 AVBitStreamFilterContext *bitstream_filters;
281 AVFrame resample_frame; /* temporary frame for image resampling */
282 struct SwsContext *img_resample_ctx; /* for image resampling */
285 int resample_pix_fmt;
286 AVRational frame_rate;
288 float frame_aspect_ratio;
290 /* forced key frames */
291 int64_t *forced_kf_pts;
297 ReSampleContext *resample; /* for audio resampling */
298 int resample_sample_fmt;
299 int resample_channels;
300 int resample_sample_rate;
302 AVAudioConvert *reformat_ctx;
303 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
307 AVFilterContext *output_video_filter;
308 AVFilterContext *input_video_filter;
309 AVFilterBufferRef *picref;
311 AVFilterGraph *graph;
317 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
318 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
320 typedef struct AVInputStream {
323 int discard; /* true if stream data should be discarded */
324 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
325 int64_t sample_index; /* current sample */
327 int64_t start; /* time when read started */
328 int64_t next_pts; /* synthetic pts for cases where pkt.pts
330 int64_t pts; /* current pts */
331 int is_start; /* is 1 at the start and after a discontinuity */
332 int showed_multi_packet_warning;
333 int is_past_recording_time;
335 AVFrame *filter_frame;
336 int has_filter_frame;
340 typedef struct AVInputFile {
341 AVFormatContext *ctx;
342 int eof_reached; /* true if eof reached */
343 int ist_index; /* index of first stream in ist_table */
344 int buffer_size; /* current total buffer size */
349 /* init terminal so that we can grab keys */
350 static struct termios oldtty;
353 static AVInputStream *input_streams = NULL;
354 static int nb_input_streams = 0;
355 static AVInputFile *input_files = NULL;
356 static int nb_input_files = 0;
360 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
362 AVFilterContext *last_filter, *filter;
363 /** filter graph containing all filters including input & output */
364 AVCodecContext *codec = ost->st->codec;
365 AVCodecContext *icodec = ist->st->codec;
366 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
367 AVRational sample_aspect_ratio;
371 ost->graph = avfilter_graph_alloc();
373 if (ist->st->sample_aspect_ratio.num){
374 sample_aspect_ratio = ist->st->sample_aspect_ratio;
376 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
378 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
379 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
380 sample_aspect_ratio.num, sample_aspect_ratio.den);
382 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
383 "src", args, NULL, ost->graph);
386 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
387 "out", NULL, &ffsink_ctx, ost->graph);
390 last_filter = ost->input_video_filter;
392 if (codec->width != icodec->width || codec->height != icodec->height) {
393 snprintf(args, 255, "%d:%d:flags=0x%X",
397 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
398 NULL, args, NULL, ost->graph)) < 0)
400 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
402 last_filter = filter;
405 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
406 ost->graph->scale_sws_opts = av_strdup(args);
409 AVFilterInOut *outputs = avfilter_inout_alloc();
410 AVFilterInOut *inputs = avfilter_inout_alloc();
412 outputs->name = av_strdup("in");
413 outputs->filter_ctx = last_filter;
414 outputs->pad_idx = 0;
415 outputs->next = NULL;
417 inputs->name = av_strdup("out");
418 inputs->filter_ctx = ost->output_video_filter;
422 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
424 av_freep(&ost->avfilter);
426 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
430 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
433 codec->width = ost->output_video_filter->inputs[0]->w;
434 codec->height = ost->output_video_filter->inputs[0]->h;
435 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
436 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
437 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
438 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
442 #endif /* CONFIG_AVFILTER */
444 static void term_exit(void)
446 av_log(NULL, AV_LOG_QUIET, "");
449 tcsetattr (0, TCSANOW, &oldtty);
453 static volatile int received_sigterm = 0;
456 sigterm_handler(int sig)
458 received_sigterm = sig;
463 static void term_init(void)
473 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
474 |INLCR|IGNCR|ICRNL|IXON);
475 tty.c_oflag |= OPOST;
476 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
477 tty.c_cflag &= ~(CSIZE|PARENB);
482 tcsetattr (0, TCSANOW, &tty);
483 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
487 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
488 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
490 signal(SIGXCPU, sigterm_handler);
494 /* read a key without blocking */
495 static int read_key(void)
510 n = select(1, &rfds, NULL, NULL, &tv);
525 static int decode_interrupt_cb(void)
527 q_pressed += read_key() == 'q';
528 return q_pressed > 1;
531 static int ffmpeg_exit(int ret)
536 for(i=0;i<nb_output_files;i++) {
537 AVFormatContext *s = output_files[i];
538 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
540 avformat_free_context(s);
541 av_free(output_streams_for_file[i]);
543 for(i=0;i<nb_input_files;i++) {
544 av_close_input_file(input_files[i].ctx);
545 av_free(input_files_ts_scale[i]);
548 av_free(intra_matrix);
549 av_free(inter_matrix);
553 av_free(vstats_filename);
555 av_free(streamid_map);
556 av_free(input_codecs);
557 av_free(stream_maps);
558 av_free(meta_data_maps);
560 av_freep(&input_streams);
561 av_freep(&input_files);
563 av_free(video_codec_name);
564 av_free(audio_codec_name);
565 av_free(subtitle_codec_name);
566 av_free(data_codec_name);
568 av_free(video_standard);
573 allocated_audio_buf_size= allocated_audio_out_size= 0;
580 if (received_sigterm) {
582 "Received signal %d: terminating.\n",
583 (int) received_sigterm);
587 exit(ret); /* not all OS-es handle main() return value */
591 /* similar to ff_dynarray_add() and av_fast_realloc() */
592 static void *grow_array(void *array, int elem_size, int *size, int new_size)
594 if (new_size >= INT_MAX / elem_size) {
595 fprintf(stderr, "Array too big.\n");
598 if (*size < new_size) {
599 uint8_t *tmp = av_realloc(array, new_size*elem_size);
601 fprintf(stderr, "Could not alloc buffer.\n");
604 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
611 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
613 if(codec && codec->sample_fmts){
614 const enum AVSampleFormat *p= codec->sample_fmts;
616 if(*p == st->codec->sample_fmt)
620 av_log(NULL, AV_LOG_WARNING,
621 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
622 av_get_sample_fmt_name(st->codec->sample_fmt),
624 av_get_sample_fmt_name(codec->sample_fmts[0]));
625 st->codec->sample_fmt = codec->sample_fmts[0];
630 static void choose_sample_rate(AVStream *st, AVCodec *codec)
632 if(codec && codec->supported_samplerates){
633 const int *p= codec->supported_samplerates;
635 int best_dist=INT_MAX;
637 int dist= abs(st->codec->sample_rate - *p);
638 if(dist < best_dist){
644 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
646 st->codec->sample_rate= best;
650 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
652 if(codec && codec->pix_fmts){
653 const enum PixelFormat *p= codec->pix_fmts;
654 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
655 if(st->codec->codec_id==CODEC_ID_MJPEG){
656 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
657 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
658 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};
662 if(*p == st->codec->pix_fmt)
666 if(st->codec->pix_fmt != PIX_FMT_NONE)
667 av_log(NULL, AV_LOG_WARNING,
668 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
669 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
671 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
672 st->codec->pix_fmt = codec->pix_fmts[0];
677 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
679 int idx = oc->nb_streams - 1;
682 output_streams_for_file[file_idx] =
683 grow_array(output_streams_for_file[file_idx],
684 sizeof(*output_streams_for_file[file_idx]),
685 &nb_output_streams_for_file[file_idx],
687 ost = output_streams_for_file[file_idx][idx] =
688 av_mallocz(sizeof(AVOutputStream));
690 fprintf(stderr, "Could not alloc output stream\n");
693 ost->file_index = file_idx;
696 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
700 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
706 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
709 /* copy stream format */
711 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
712 for(i=0;i<ic->nb_streams;i++) {
718 // FIXME: a more elegant solution is needed
719 st = av_mallocz(sizeof(AVStream));
720 memcpy(st, ic->streams[i], sizeof(AVStream));
721 st->info = av_malloc(sizeof(*st->info));
722 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
723 st->codec = avcodec_alloc_context();
725 print_error(filename, AVERROR(ENOMEM));
728 avcodec_copy_context(st->codec, ic->streams[i]->codec);
731 codec = avcodec_find_encoder(st->codec->codec_id);
732 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
733 if (audio_stream_copy) {
736 choose_sample_fmt(st, codec);
737 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
738 if (video_stream_copy) {
741 choose_pixel_fmt(st, codec);
744 if(st->codec->flags & CODEC_FLAG_BITEXACT)
747 new_output_stream(s, nb_output_files);
751 s->timestamp = av_gettime();
753 av_close_input_file(ic);
758 get_sync_ipts(const AVOutputStream *ost)
760 const AVInputStream *ist = ost->sync_ist;
761 return (double)(ist->pts - start_time)/AV_TIME_BASE;
764 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
768 AVPacket new_pkt= *pkt;
769 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
770 &new_pkt.data, &new_pkt.size,
771 pkt->data, pkt->size,
772 pkt->flags & AV_PKT_FLAG_KEY);
775 new_pkt.destruct= av_destruct_packet;
777 fprintf(stderr, "%s failed for stream %d, codec %s",
778 bsfc->filter->name, pkt->stream_index,
779 avctx->codec ? avctx->codec->name : "copy");
789 ret= av_interleaved_write_frame(s, pkt);
791 print_error("av_interleaved_write_frame()", ret);
796 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
798 static void do_audio_out(AVFormatContext *s,
801 unsigned char *buf, int size)
804 int64_t audio_out_size, audio_buf_size;
805 int64_t allocated_for_size= size;
807 int size_out, frame_bytes, ret, resample_changed;
808 AVCodecContext *enc= ost->st->codec;
809 AVCodecContext *dec= ist->st->codec;
810 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
811 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
812 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
815 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
816 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
817 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
818 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
819 audio_buf_size*= osize*enc->channels;
821 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
822 if(coded_bps > 8*osize)
823 audio_out_size= audio_out_size * coded_bps / (8*osize);
824 audio_out_size += FF_MIN_BUFFER_SIZE;
826 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
827 fprintf(stderr, "Buffer sizes too large\n");
831 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
832 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
833 if (!audio_buf || !audio_out){
834 fprintf(stderr, "Out of memory in do_audio_out\n");
838 if (enc->channels != dec->channels)
839 ost->audio_resample = 1;
841 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
842 ost->resample_channels != dec->channels ||
843 ost->resample_sample_rate != dec->sample_rate;
845 if ((ost->audio_resample && !ost->resample) || resample_changed) {
846 if (resample_changed) {
847 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",
848 ist->file_index, ist->st->index,
849 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
850 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
851 ost->resample_sample_fmt = dec->sample_fmt;
852 ost->resample_channels = dec->channels;
853 ost->resample_sample_rate = dec->sample_rate;
855 audio_resample_close(ost->resample);
857 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
858 if (audio_sync_method <= 1 &&
859 ost->resample_sample_fmt == enc->sample_fmt &&
860 ost->resample_channels == enc->channels &&
861 ost->resample_sample_rate == enc->sample_rate) {
862 ost->resample = NULL;
863 ost->audio_resample = 0;
865 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
866 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
867 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
868 enc->sample_rate, dec->sample_rate,
869 enc->sample_fmt, dec->sample_fmt,
871 if (!ost->resample) {
872 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
873 dec->channels, dec->sample_rate,
874 enc->channels, enc->sample_rate);
880 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
881 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
882 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
883 if (ost->reformat_ctx)
884 av_audio_convert_free(ost->reformat_ctx);
885 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
886 dec->sample_fmt, 1, NULL, 0);
887 if (!ost->reformat_ctx) {
888 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
889 av_get_sample_fmt_name(dec->sample_fmt),
890 av_get_sample_fmt_name(enc->sample_fmt));
893 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
896 if(audio_sync_method){
897 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
898 - av_fifo_size(ost->fifo)/(enc->channels * 2);
899 double idelta= delta*dec->sample_rate / enc->sample_rate;
900 int byte_delta= ((int)idelta)*2*dec->channels;
902 //FIXME resample delay
903 if(fabs(delta) > 50){
904 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
906 byte_delta= FFMAX(byte_delta, -size);
910 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
915 static uint8_t *input_tmp= NULL;
916 input_tmp= av_realloc(input_tmp, byte_delta + size);
918 if(byte_delta > allocated_for_size - size){
919 allocated_for_size= byte_delta + (int64_t)size;
924 memset(input_tmp, 0, byte_delta);
925 memcpy(input_tmp + byte_delta, buf, size);
929 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
931 }else if(audio_sync_method>1){
932 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
933 av_assert0(ost->audio_resample);
935 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
936 // 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));
937 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
941 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
942 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
944 if (ost->audio_resample) {
946 size_out = audio_resample(ost->resample,
947 (short *)buftmp, (short *)buf,
948 size / (dec->channels * isize));
949 size_out = size_out * enc->channels * osize;
955 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
956 const void *ibuf[6]= {buftmp};
957 void *obuf[6]= {audio_buf};
958 int istride[6]= {isize};
959 int ostride[6]= {osize};
960 int len= size_out/istride[0];
961 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
962 printf("av_audio_convert() failed\n");
968 size_out = len*osize;
971 /* now encode as many frames as possible */
972 if (enc->frame_size > 1) {
973 /* output resampled raw samples */
974 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
975 fprintf(stderr, "av_fifo_realloc2() failed\n");
978 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
980 frame_bytes = enc->frame_size * osize * enc->channels;
982 while (av_fifo_size(ost->fifo) >= frame_bytes) {
984 av_init_packet(&pkt);
986 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
988 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
990 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
993 fprintf(stderr, "Audio encoding failed\n");
997 pkt.stream_index= ost->index;
1000 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1001 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1002 pkt.flags |= AV_PKT_FLAG_KEY;
1003 write_frame(s, &pkt, enc, ost->bitstream_filters);
1005 ost->sync_opts += enc->frame_size;
1009 av_init_packet(&pkt);
1011 ost->sync_opts += size_out / (osize * enc->channels);
1013 /* output a pcm frame */
1014 /* determine the size of the coded buffer */
1017 size_out = size_out*coded_bps/8;
1019 if(size_out > audio_out_size){
1020 fprintf(stderr, "Internal error, buffer size too small\n");
1024 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1025 ret = avcodec_encode_audio(enc, audio_out, size_out,
1028 fprintf(stderr, "Audio encoding failed\n");
1032 pkt.stream_index= ost->index;
1033 pkt.data= audio_out;
1035 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1036 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1037 pkt.flags |= AV_PKT_FLAG_KEY;
1038 write_frame(s, &pkt, enc, ost->bitstream_filters);
1042 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1044 AVCodecContext *dec;
1045 AVPicture *picture2;
1046 AVPicture picture_tmp;
1049 dec = ist->st->codec;
1051 /* deinterlace : must be done before any resize */
1052 if (do_deinterlace) {
1055 /* create temporary picture */
1056 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1057 buf = av_malloc(size);
1061 picture2 = &picture_tmp;
1062 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1064 if(avpicture_deinterlace(picture2, picture,
1065 dec->pix_fmt, dec->width, dec->height) < 0) {
1066 /* if error, do not deinterlace */
1067 fprintf(stderr, "Deinterlacing failed\n");
1076 if (picture != picture2)
1077 *picture = *picture2;
1081 /* we begin to correct av delay at this threshold */
1082 #define AV_DELAY_MAX 0.100
1084 static void do_subtitle_out(AVFormatContext *s,
1085 AVOutputStream *ost,
1090 static uint8_t *subtitle_out = NULL;
1091 int subtitle_out_max_size = 1024 * 1024;
1092 int subtitle_out_size, nb, i;
1093 AVCodecContext *enc;
1096 if (pts == AV_NOPTS_VALUE) {
1097 fprintf(stderr, "Subtitle packets must have a pts\n");
1103 enc = ost->st->codec;
1105 if (!subtitle_out) {
1106 subtitle_out = av_malloc(subtitle_out_max_size);
1109 /* Note: DVB subtitle need one packet to draw them and one other
1110 packet to clear them */
1111 /* XXX: signal it in the codec context ? */
1112 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1117 for(i = 0; i < nb; i++) {
1118 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1119 // start_display_time is required to be 0
1120 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1121 sub->end_display_time -= sub->start_display_time;
1122 sub->start_display_time = 0;
1123 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1124 subtitle_out_max_size, sub);
1125 if (subtitle_out_size < 0) {
1126 fprintf(stderr, "Subtitle encoding failed\n");
1130 av_init_packet(&pkt);
1131 pkt.stream_index = ost->index;
1132 pkt.data = subtitle_out;
1133 pkt.size = subtitle_out_size;
1134 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1135 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1136 /* XXX: the pts correction is handled here. Maybe handling
1137 it in the codec would be better */
1139 pkt.pts += 90 * sub->start_display_time;
1141 pkt.pts += 90 * sub->end_display_time;
1143 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1147 static int bit_buffer_size= 1024*256;
1148 static uint8_t *bit_buffer= NULL;
1150 static void do_video_out(AVFormatContext *s,
1151 AVOutputStream *ost,
1153 AVFrame *in_picture,
1156 int nb_frames, i, ret, av_unused resample_changed;
1157 AVFrame *final_picture, *formatted_picture;
1158 AVCodecContext *enc, *dec;
1161 enc = ost->st->codec;
1162 dec = ist->st->codec;
1164 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1166 /* by default, we output a single frame */
1171 if(video_sync_method){
1172 double vdelta = sync_ipts - ost->sync_opts;
1173 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1176 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1179 }else if(vdelta>0.6)
1180 ost->sync_opts= lrintf(sync_ipts);
1181 }else if (vdelta > 1.1)
1182 nb_frames = lrintf(vdelta);
1183 //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);
1184 if (nb_frames == 0){
1187 fprintf(stderr, "*** drop!\n");
1188 }else if (nb_frames > 1) {
1189 nb_frames_dup += nb_frames - 1;
1191 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1194 ost->sync_opts= lrintf(sync_ipts);
1196 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1200 formatted_picture = in_picture;
1201 final_picture = formatted_picture;
1203 #if !CONFIG_AVFILTER
1204 resample_changed = ost->resample_width != dec->width ||
1205 ost->resample_height != dec->height ||
1206 ost->resample_pix_fmt != dec->pix_fmt;
1208 if (resample_changed) {
1209 av_log(NULL, AV_LOG_INFO,
1210 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1211 ist->file_index, ist->st->index,
1212 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1213 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1214 ost->resample_width = dec->width;
1215 ost->resample_height = dec->height;
1216 ost->resample_pix_fmt = dec->pix_fmt;
1219 ost->video_resample = dec->width != enc->width ||
1220 dec->height != enc->height ||
1221 dec->pix_fmt != enc->pix_fmt;
1223 if (ost->video_resample) {
1224 final_picture = &ost->resample_frame;
1225 if (!ost->img_resample_ctx || resample_changed) {
1226 /* initialize the destination picture */
1227 if (!ost->resample_frame.data[0]) {
1228 avcodec_get_frame_defaults(&ost->resample_frame);
1229 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1230 enc->width, enc->height)) {
1231 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1235 /* initialize a new scaler context */
1236 sws_freeContext(ost->img_resample_ctx);
1237 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1238 enc->width, enc->height, enc->pix_fmt,
1239 ost->sws_flags, NULL, NULL, NULL);
1240 if (ost->img_resample_ctx == NULL) {
1241 fprintf(stderr, "Cannot get resampling context\n");
1245 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1246 0, ost->resample_height, final_picture->data, final_picture->linesize);
1250 /* duplicates frame if needed */
1251 for(i=0;i<nb_frames;i++) {
1253 av_init_packet(&pkt);
1254 pkt.stream_index= ost->index;
1256 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1257 /* raw pictures are written as AVPicture structure to
1258 avoid any copies. We support temorarily the older
1260 AVFrame* old_frame = enc->coded_frame;
1261 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1262 pkt.data= (uint8_t *)final_picture;
1263 pkt.size= sizeof(AVPicture);
1264 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1265 pkt.flags |= AV_PKT_FLAG_KEY;
1267 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1268 enc->coded_frame = old_frame;
1270 AVFrame big_picture;
1272 big_picture= *final_picture;
1273 /* better than nothing: use input picture interlaced
1275 big_picture.interlaced_frame = in_picture->interlaced_frame;
1276 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1277 if(top_field_first == -1)
1278 big_picture.top_field_first = in_picture->top_field_first;
1280 big_picture.top_field_first = top_field_first;
1283 /* handles sameq here. This is not correct because it may
1284 not be a global option */
1285 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1287 big_picture.pict_type = 0;
1288 // big_picture.pts = AV_NOPTS_VALUE;
1289 big_picture.pts= ost->sync_opts;
1290 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1291 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1292 if (ost->forced_kf_index < ost->forced_kf_count &&
1293 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1294 big_picture.pict_type = AV_PICTURE_TYPE_I;
1295 ost->forced_kf_index++;
1297 ret = avcodec_encode_video(enc,
1298 bit_buffer, bit_buffer_size,
1301 fprintf(stderr, "Video encoding failed\n");
1306 pkt.data= bit_buffer;
1308 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1309 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1310 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1311 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1312 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1314 if(enc->coded_frame->key_frame)
1315 pkt.flags |= AV_PKT_FLAG_KEY;
1316 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1319 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1320 // enc->frame_number-1, ret, enc->pict_type);
1321 /* if two pass, output log */
1322 if (ost->logfile && enc->stats_out) {
1323 fprintf(ost->logfile, "%s", enc->stats_out);
1328 ost->frame_number++;
1332 static double psnr(double d){
1333 return -10.0*log(d)/log(10.0);
1336 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1339 AVCodecContext *enc;
1341 double ti1, bitrate, avg_bitrate;
1343 /* this is executed just the first time do_video_stats is called */
1345 vstats_file = fopen(vstats_filename, "w");
1352 enc = ost->st->codec;
1353 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 frame_number = ost->frame_number;
1355 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1356 if (enc->flags&CODEC_FLAG_PSNR)
1357 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1359 fprintf(vstats_file,"f_size= %6d ", frame_size);
1360 /* compute pts value */
1361 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1365 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1366 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1367 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1368 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1369 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1373 static void print_report(AVFormatContext **output_files,
1374 AVOutputStream **ost_table, int nb_ostreams,
1378 AVOutputStream *ost;
1379 AVFormatContext *oc;
1381 AVCodecContext *enc;
1382 int frame_number, vid, i;
1384 int64_t pts = INT64_MAX;
1385 static int64_t last_time = -1;
1386 static int qp_histogram[52];
1388 if (!is_last_report) {
1390 /* display the report every 0.5 seconds */
1391 cur_time = av_gettime();
1392 if (last_time == -1) {
1393 last_time = cur_time;
1396 if ((cur_time - last_time) < 500000)
1398 last_time = cur_time;
1402 oc = output_files[0];
1404 total_size = avio_size(oc->pb);
1405 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1406 total_size= avio_tell(oc->pb);
1410 for(i=0;i<nb_ostreams;i++) {
1413 enc = ost->st->codec;
1414 if (!ost->st->stream_copy && enc->coded_frame)
1415 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1416 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1419 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1420 float t = (av_gettime()-timer_start) / 1000000.0;
1422 frame_number = ost->frame_number;
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1424 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1430 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1435 if (enc->flags&CODEC_FLAG_PSNR){
1437 double error, error_sum=0;
1438 double scale, scale_sum=0;
1439 char type[3]= {'Y','U','V'};
1440 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1443 error= enc->error[j];
1444 scale= enc->width*enc->height*255.0*255.0*frame_number;
1446 error= enc->coded_frame->error[j];
1447 scale= enc->width*enc->height*255.0*255.0;
1452 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1458 /* compute min output value */
1459 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1460 ost->st->time_base, AV_TIME_BASE_Q));
1463 if (verbose > 0 || is_last_report) {
1464 int hours, mins, secs, us;
1465 secs = pts / AV_TIME_BASE;
1466 us = pts % AV_TIME_BASE;
1472 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1475 "size=%8.0fkB time=", total_size / 1024.0);
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1477 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1478 (100 * us) / AV_TIME_BASE);
1479 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1480 "bitrate=%6.1fkbits/s", bitrate);
1482 if (nb_frames_dup || nb_frames_drop)
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1484 nb_frames_dup, nb_frames_drop);
1487 fprintf(stderr, "%s \r", buf);
1492 if (is_last_report && verbose >= 0){
1493 int64_t raw= audio_size + video_size + extra_size;
1494 fprintf(stderr, "\n");
1495 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1499 100.0*(total_size - raw)/raw
1504 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1506 int fill_char = 0x00;
1507 if (sample_fmt == AV_SAMPLE_FMT_U8)
1509 memset(buf, fill_char, size);
1512 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1513 static int output_packet(AVInputStream *ist, int ist_index,
1514 AVOutputStream **ost_table, int nb_ostreams,
1515 const AVPacket *pkt)
1517 AVFormatContext *os;
1518 AVOutputStream *ost;
1522 void *buffer_to_free = NULL;
1523 static unsigned int samples_size= 0;
1524 AVSubtitle subtitle, *subtitle_to_free;
1525 int64_t pkt_pts = AV_NOPTS_VALUE;
1527 int frame_available;
1531 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1533 if(ist->next_pts == AV_NOPTS_VALUE)
1534 ist->next_pts= ist->pts;
1538 av_init_packet(&avpkt);
1546 if(pkt->dts != AV_NOPTS_VALUE)
1547 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1548 if(pkt->pts != AV_NOPTS_VALUE)
1549 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1551 //while we have more to decode or while the decoder did output something on EOF
1552 while (avpkt.size > 0 || (!pkt && got_output)) {
1553 uint8_t *data_buf, *decoded_data_buf;
1554 int data_size, decoded_data_size;
1556 ist->pts= ist->next_pts;
1558 if(avpkt.size && avpkt.size != pkt->size &&
1559 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1560 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1561 ist->showed_multi_packet_warning=1;
1564 /* decode the packet if needed */
1565 decoded_data_buf = NULL; /* fail safe */
1566 decoded_data_size= 0;
1567 data_buf = avpkt.data;
1568 data_size = avpkt.size;
1569 subtitle_to_free = NULL;
1570 if (ist->decoding_needed) {
1571 switch(ist->st->codec->codec_type) {
1572 case AVMEDIA_TYPE_AUDIO:{
1573 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1574 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1576 samples= av_malloc(samples_size);
1578 decoded_data_size= samples_size;
1579 /* XXX: could avoid copy if PCM 16 bits with same
1580 endianness as CPU */
1581 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1588 got_output = decoded_data_size > 0;
1589 /* Some bug in mpeg audio decoder gives */
1590 /* decoded_data_size < 0, it seems they are overflows */
1592 /* no audio frame */
1595 decoded_data_buf = (uint8_t *)samples;
1596 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1597 (ist->st->codec->sample_rate * ist->st->codec->channels);
1599 case AVMEDIA_TYPE_VIDEO:
1600 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1601 /* XXX: allocate picture correctly */
1602 avcodec_get_frame_defaults(&picture);
1603 avpkt.pts = pkt_pts;
1604 avpkt.dts = ist->pts;
1605 pkt_pts = AV_NOPTS_VALUE;
1607 ret = avcodec_decode_video2(ist->st->codec,
1608 &picture, &got_output, &avpkt);
1609 ist->st->quality= picture.quality;
1613 /* no picture yet */
1614 goto discard_packet;
1616 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1617 if (ist->st->codec->time_base.num != 0) {
1618 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1619 ist->next_pts += ((int64_t)AV_TIME_BASE *
1620 ist->st->codec->time_base.num * ticks) /
1621 ist->st->codec->time_base.den;
1624 buffer_to_free = NULL;
1625 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1627 case AVMEDIA_TYPE_SUBTITLE:
1628 ret = avcodec_decode_subtitle2(ist->st->codec,
1629 &subtitle, &got_output, &avpkt);
1633 goto discard_packet;
1635 subtitle_to_free = &subtitle;
1642 switch(ist->st->codec->codec_type) {
1643 case AVMEDIA_TYPE_AUDIO:
1644 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1645 ist->st->codec->sample_rate;
1647 case AVMEDIA_TYPE_VIDEO:
1648 if (ist->st->codec->time_base.num != 0) {
1649 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1650 ist->next_pts += ((int64_t)AV_TIME_BASE *
1651 ist->st->codec->time_base.num * ticks) /
1652 ist->st->codec->time_base.den;
1661 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1662 if (start_time == 0 || ist->pts >= start_time) {
1663 for(i=0;i<nb_ostreams;i++) {
1665 if (ost->input_video_filter && ost->source_index == ist_index) {
1666 if (!picture.sample_aspect_ratio.num)
1667 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1668 picture.pts = ist->pts;
1670 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1676 // preprocess audio (volume)
1677 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1678 if (audio_volume != 256) {
1681 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1682 int v = ((*volp) * audio_volume + 128) >> 8;
1683 if (v < -32768) v = -32768;
1684 if (v > 32767) v = 32767;
1690 /* frame rate emulation */
1692 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1693 int64_t now = av_gettime() - ist->start;
1697 /* if output time reached then transcode raw format,
1698 encode packets and output them */
1699 if (start_time == 0 || ist->pts >= start_time)
1700 for(i=0;i<nb_ostreams;i++) {
1704 if (ost->source_index == ist_index) {
1706 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1707 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1708 while (frame_available) {
1709 AVRational ist_pts_tb;
1710 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1711 if (get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb) < 0)
1714 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1716 os = output_files[ost->file_index];
1718 /* set the input output pts pairs */
1719 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1721 if (ost->encoding_needed) {
1722 av_assert0(ist->decoding_needed);
1723 switch(ost->st->codec->codec_type) {
1724 case AVMEDIA_TYPE_AUDIO:
1725 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1727 case AVMEDIA_TYPE_VIDEO:
1729 if (ost->picref->video && !ost->frame_aspect_ratio)
1730 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1732 do_video_out(os, ost, ist, &picture, &frame_size);
1733 if (vstats_filename && frame_size)
1734 do_video_stats(os, ost, frame_size);
1736 case AVMEDIA_TYPE_SUBTITLE:
1737 do_subtitle_out(os, ost, ist, &subtitle,
1744 AVFrame avframe; //FIXME/XXX remove this
1747 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1749 av_init_packet(&opkt);
1751 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1752 #if !CONFIG_AVFILTER
1758 /* no reencoding needed : output the packet directly */
1759 /* force the input stream PTS */
1761 avcodec_get_frame_defaults(&avframe);
1762 ost->st->codec->coded_frame= &avframe;
1763 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1765 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1766 audio_size += data_size;
1767 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1768 video_size += data_size;
1772 opkt.stream_index= ost->index;
1773 if(pkt->pts != AV_NOPTS_VALUE)
1774 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1776 opkt.pts= AV_NOPTS_VALUE;
1778 if (pkt->dts == AV_NOPTS_VALUE)
1779 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1781 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1782 opkt.dts -= ost_tb_start_time;
1784 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1785 opkt.flags= pkt->flags;
1787 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1788 if( ost->st->codec->codec_id != CODEC_ID_H264
1789 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1790 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1792 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1793 opkt.destruct= av_destruct_packet;
1795 opkt.data = data_buf;
1796 opkt.size = data_size;
1799 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1800 /* store AVPicture in AVPacket, as expected by the output format */
1801 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1802 opkt.data = (uint8_t *)&pict;
1803 opkt.size = sizeof(AVPicture);
1804 opkt.flags |= AV_PKT_FLAG_KEY;
1806 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1807 ost->st->codec->frame_number++;
1808 ost->frame_number++;
1809 av_free_packet(&opkt);
1813 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1814 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1815 avfilter_unref_buffer(ost->picref);
1821 av_free(buffer_to_free);
1822 /* XXX: allocate the subtitles in the codec ? */
1823 if (subtitle_to_free) {
1824 avsubtitle_free(subtitle_to_free);
1825 subtitle_to_free = NULL;
1832 for(i=0;i<nb_ostreams;i++) {
1834 if (ost->source_index == ist_index) {
1835 AVCodecContext *enc= ost->st->codec;
1836 os = output_files[ost->file_index];
1838 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1840 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1843 if (ost->encoding_needed) {
1847 av_init_packet(&pkt);
1848 pkt.stream_index= ost->index;
1850 switch(ost->st->codec->codec_type) {
1851 case AVMEDIA_TYPE_AUDIO:
1852 fifo_bytes = av_fifo_size(ost->fifo);
1854 /* encode any samples remaining in fifo */
1855 if (fifo_bytes > 0) {
1856 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1857 int fs_tmp = enc->frame_size;
1859 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1860 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1861 enc->frame_size = fifo_bytes / (osize * enc->channels);
1863 int frame_bytes = enc->frame_size*osize*enc->channels;
1864 if (allocated_audio_buf_size < frame_bytes)
1866 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1869 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1870 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1871 ost->st->time_base.num, enc->sample_rate);
1872 enc->frame_size = fs_tmp;
1875 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1878 fprintf(stderr, "Audio encoding failed\n");
1882 pkt.flags |= AV_PKT_FLAG_KEY;
1884 case AVMEDIA_TYPE_VIDEO:
1885 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1887 fprintf(stderr, "Video encoding failed\n");
1891 if(enc->coded_frame && enc->coded_frame->key_frame)
1892 pkt.flags |= AV_PKT_FLAG_KEY;
1893 if (ost->logfile && enc->stats_out) {
1894 fprintf(ost->logfile, "%s", enc->stats_out);
1903 pkt.data= bit_buffer;
1905 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1906 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1907 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1919 static void print_sdp(AVFormatContext **avc, int n)
1923 av_sdp_create(avc, n, sdp, sizeof(sdp));
1924 printf("SDP:\n%s\n", sdp);
1928 static int copy_chapters(int infile, int outfile)
1930 AVFormatContext *is = input_files[infile].ctx;
1931 AVFormatContext *os = output_files[outfile];
1934 for (i = 0; i < is->nb_chapters; i++) {
1935 AVChapter *in_ch = is->chapters[i], *out_ch;
1936 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1937 AV_TIME_BASE_Q, in_ch->time_base);
1938 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1939 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1942 if (in_ch->end < ts_off)
1944 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1947 out_ch = av_mallocz(sizeof(AVChapter));
1949 return AVERROR(ENOMEM);
1951 out_ch->id = in_ch->id;
1952 out_ch->time_base = in_ch->time_base;
1953 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1954 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1956 if (metadata_chapters_autocopy)
1957 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1960 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1962 return AVERROR(ENOMEM);
1963 os->chapters[os->nb_chapters - 1] = out_ch;
1968 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1969 AVCodecContext *avctx)
1975 for (p = kf; *p; p++)
1978 ost->forced_kf_count = n;
1979 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1980 if (!ost->forced_kf_pts) {
1981 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1984 for (i = 0; i < n; i++) {
1985 p = i ? strchr(p, ',') + 1 : kf;
1986 t = parse_time_or_die("force_key_frames", p, 1);
1987 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1992 * The following code is the main loop of the file converter
1994 static int transcode(AVFormatContext **output_files,
1995 int nb_output_files,
1996 AVInputFile *input_files,
1998 AVStreamMap *stream_maps, int nb_stream_maps)
2000 int ret = 0, i, j, k, n, nb_ostreams = 0, step;
2002 AVFormatContext *is, *os;
2003 AVCodecContext *codec, *icodec;
2004 AVOutputStream *ost, **ost_table = NULL;
2009 uint8_t no_packet[MAX_FILES]={0};
2010 int no_packet_count=0;
2011 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
2012 int nb_streams[AVMEDIA_TYPE_NB]={0};
2015 for (i = 0; i < nb_input_streams; i++)
2016 input_streams[i].start = av_gettime();
2018 /* output stream init */
2020 for(i=0;i<nb_output_files;i++) {
2021 os = output_files[i];
2022 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2023 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2024 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2025 ret = AVERROR(EINVAL);
2028 nb_ostreams += os->nb_streams;
2030 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2031 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2032 ret = AVERROR(EINVAL);
2036 /* Sanity check the mapping args -- do the input files & streams exist? */
2037 for(i=0;i<nb_stream_maps;i++) {
2038 int fi = stream_maps[i].file_index;
2039 int si = stream_maps[i].stream_index;
2041 if (fi < 0 || fi > nb_input_files - 1 ||
2042 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2043 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2044 ret = AVERROR(EINVAL);
2047 fi = stream_maps[i].sync_file_index;
2048 si = stream_maps[i].sync_stream_index;
2049 if (fi < 0 || fi > nb_input_files - 1 ||
2050 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2051 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2052 ret = AVERROR(EINVAL);
2057 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2061 for(k=0;k<nb_output_files;k++) {
2062 os = output_files[k];
2063 for(i=0;i<os->nb_streams;i++,n++) {
2064 nb_streams[os->streams[i]->codec->codec_type]++;
2067 for(step=1<<30; step; step>>=1){
2068 int found_streams[AVMEDIA_TYPE_NB]={0};
2069 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2070 nb_frame_threshold[j] += step;
2072 for(j=0; j<nb_input_streams; j++) {
2074 ist = &input_streams[j];
2077 AVFormatContext *f= input_files[ ist->file_index ].ctx;
2079 for(pi=0; pi<f->nb_programs; pi++){
2080 AVProgram *p= f->programs[pi];
2081 if(p->id == opt_programid)
2082 for(si=0; si<p->nb_stream_indexes; si++){
2083 if(f->streams[ p->stream_index[si] ] == ist->st)
2088 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2089 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2090 found_streams[ist->st->codec->codec_type]++;
2093 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2094 if(found_streams[j] < nb_streams[j])
2095 nb_frame_threshold[j] -= step;
2098 for(k=0;k<nb_output_files;k++) {
2099 os = output_files[k];
2100 for(i=0;i<os->nb_streams;i++,n++) {
2102 ost = ost_table[n] = output_streams_for_file[k][i];
2103 ost->st = os->streams[i];
2104 if (nb_stream_maps > 0) {
2105 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2106 stream_maps[n].stream_index;
2108 /* Sanity check that the stream types match */
2109 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2110 int i= ost->file_index;
2111 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2112 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2113 stream_maps[n].file_index, stream_maps[n].stream_index,
2114 ost->file_index, ost->index);
2119 /* get corresponding input stream index : we select the first one with the right type */
2121 for (j = 0; j < nb_input_streams; j++) {
2123 ist = &input_streams[j];
2126 AVFormatContext *f = input_files[ist->file_index].ctx;
2128 for(pi=0; pi<f->nb_programs; pi++){
2129 AVProgram *p= f->programs[pi];
2130 if(p->id == opt_programid)
2131 for(si=0; si<p->nb_stream_indexes; si++){
2132 if(f->streams[ p->stream_index[si] ] == ist->st)
2137 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2138 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2139 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2140 ost->source_index = j;
2147 if(! opt_programid) {
2148 /* try again and reuse existing stream */
2149 for (j = 0; j < nb_input_streams; j++) {
2150 ist = &input_streams[j];
2151 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2152 && ist->st->discard != AVDISCARD_ALL) {
2153 ost->source_index = j;
2159 int i= ost->file_index;
2160 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2161 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2162 ost->file_index, ost->index);
2167 ist = &input_streams[ost->source_index];
2169 ost->sync_ist = (nb_stream_maps > 0) ?
2170 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2171 stream_maps[n].sync_stream_index] : ist;
2175 /* for each output stream, we compute the right encoding parameters */
2176 for(i=0;i<nb_ostreams;i++) {
2178 os = output_files[ost->file_index];
2179 ist = &input_streams[ost->source_index];
2181 codec = ost->st->codec;
2182 icodec = ist->st->codec;
2184 if (metadata_streams_autocopy)
2185 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2186 AV_DICT_DONT_OVERWRITE);
2188 ost->st->disposition = ist->st->disposition;
2189 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2190 codec->chroma_sample_location = icodec->chroma_sample_location;
2192 if (ost->st->stream_copy) {
2193 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2195 if (extra_size > INT_MAX)
2198 /* if stream_copy is selected, no need to decode or encode */
2199 codec->codec_id = icodec->codec_id;
2200 codec->codec_type = icodec->codec_type;
2202 if(!codec->codec_tag){
2203 if( !os->oformat->codec_tag
2204 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2205 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2206 codec->codec_tag = icodec->codec_tag;
2209 codec->bit_rate = icodec->bit_rate;
2210 codec->rc_max_rate = icodec->rc_max_rate;
2211 codec->rc_buffer_size = icodec->rc_buffer_size;
2212 codec->extradata= av_mallocz(extra_size);
2213 if (!codec->extradata)
2215 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2216 codec->extradata_size= icodec->extradata_size;
2217 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){
2218 codec->time_base = icodec->time_base;
2219 codec->time_base.num *= icodec->ticks_per_frame;
2220 av_reduce(&codec->time_base.num, &codec->time_base.den,
2221 codec->time_base.num, codec->time_base.den, INT_MAX);
2223 codec->time_base = ist->st->time_base;
2224 switch(codec->codec_type) {
2225 case AVMEDIA_TYPE_AUDIO:
2226 if(audio_volume != 256) {
2227 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2230 codec->channel_layout = icodec->channel_layout;
2231 codec->sample_rate = icodec->sample_rate;
2232 codec->channels = icodec->channels;
2233 codec->frame_size = icodec->frame_size;
2234 codec->audio_service_type = icodec->audio_service_type;
2235 codec->block_align= icodec->block_align;
2236 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2237 codec->block_align= 0;
2238 if(codec->codec_id == CODEC_ID_AC3)
2239 codec->block_align= 0;
2241 case AVMEDIA_TYPE_VIDEO:
2242 codec->pix_fmt = icodec->pix_fmt;
2243 codec->width = icodec->width;
2244 codec->height = icodec->height;
2245 codec->has_b_frames = icodec->has_b_frames;
2246 if (!codec->sample_aspect_ratio.num) {
2247 codec->sample_aspect_ratio =
2248 ost->st->sample_aspect_ratio =
2249 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2250 ist->st->codec->sample_aspect_ratio.num ?
2251 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2254 case AVMEDIA_TYPE_SUBTITLE:
2255 codec->width = icodec->width;
2256 codec->height = icodec->height;
2258 case AVMEDIA_TYPE_DATA:
2264 switch(codec->codec_type) {
2265 case AVMEDIA_TYPE_AUDIO:
2266 ost->fifo= av_fifo_alloc(1024);
2269 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2270 if (!codec->sample_rate) {
2271 codec->sample_rate = icodec->sample_rate;
2273 codec->sample_rate >>= icodec->lowres;
2275 choose_sample_rate(ost->st, codec->codec);
2276 codec->time_base = (AVRational){1, codec->sample_rate};
2277 if (!codec->channels)
2278 codec->channels = icodec->channels;
2279 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2280 codec->channel_layout = 0;
2281 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2282 icodec->request_channels = codec->channels;
2283 ist->decoding_needed = 1;
2284 ost->encoding_needed = 1;
2285 ost->resample_sample_fmt = icodec->sample_fmt;
2286 ost->resample_sample_rate = icodec->sample_rate;
2287 ost->resample_channels = icodec->channels;
2289 case AVMEDIA_TYPE_VIDEO:
2290 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2291 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2294 ost->video_resample = codec->width != icodec->width ||
2295 codec->height != icodec->height ||
2296 codec->pix_fmt != icodec->pix_fmt;
2297 if (ost->video_resample) {
2298 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2300 ost->resample_height = icodec->height;
2301 ost->resample_width = icodec->width;
2302 ost->resample_pix_fmt= icodec->pix_fmt;
2303 ost->encoding_needed = 1;
2304 ist->decoding_needed = 1;
2306 if (!ost->frame_rate.num)
2307 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2308 if (codec->codec && codec->codec->supported_framerates && !force_fps) {
2309 int idx = av_find_nearest_q_idx(ost->frame_rate, codec->codec->supported_framerates);
2310 ost->frame_rate = codec->codec->supported_framerates[idx];
2312 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2315 if (configure_video_filters(ist, ost)) {
2316 fprintf(stderr, "Error opening filters!\n");
2321 case AVMEDIA_TYPE_SUBTITLE:
2322 ost->encoding_needed = 1;
2323 ist->decoding_needed = 1;
2330 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2331 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2332 char logfilename[1024];
2335 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2336 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2338 if (codec->flags & CODEC_FLAG_PASS1) {
2339 f = fopen(logfilename, "wb");
2341 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2347 size_t logbuffer_size;
2348 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2349 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2352 codec->stats_in = logbuffer;
2356 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2357 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2358 int size= codec->width * codec->height;
2359 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2364 bit_buffer = av_malloc(bit_buffer_size);
2366 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2368 ret = AVERROR(ENOMEM);
2372 /* open each encoder */
2373 for(i=0;i<nb_ostreams;i++) {
2375 if (ost->encoding_needed) {
2376 AVCodec *codec = ost->enc;
2377 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2379 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2381 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2382 ost->st->codec->codec_id, ost->file_index, ost->index);
2383 ret = AVERROR(EINVAL);
2386 if (dec->subtitle_header) {
2387 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2388 if (!ost->st->codec->subtitle_header) {
2389 ret = AVERROR(ENOMEM);
2392 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2393 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2395 if (avcodec_open(ost->st->codec, codec) < 0) {
2396 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2397 ost->file_index, ost->index);
2398 ret = AVERROR(EINVAL);
2401 extra_size += ost->st->codec->extradata_size;
2405 /* open each decoder */
2406 for (i = 0; i < nb_input_streams; i++) {
2407 ist = &input_streams[i];
2408 if (ist->decoding_needed) {
2409 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2411 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2413 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2414 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2415 ret = AVERROR(EINVAL);
2418 if (avcodec_open(ist->st->codec, codec) < 0) {
2419 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2420 ist->file_index, ist->st->index);
2421 ret = AVERROR(EINVAL);
2424 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2425 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2430 for (i = 0; i < nb_input_streams; i++) {
2432 ist = &input_streams[i];
2434 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2435 ist->next_pts = AV_NOPTS_VALUE;
2439 /* set meta data information from input file if required */
2440 for (i=0;i<nb_meta_data_maps;i++) {
2441 AVFormatContext *files[2];
2442 AVDictionary **meta[2];
2445 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2446 if ((index) < 0 || (index) >= (nb_elems)) {\
2447 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2449 ret = AVERROR(EINVAL);\
2453 int out_file_index = meta_data_maps[i][0].file;
2454 int in_file_index = meta_data_maps[i][1].file;
2455 if (in_file_index < 0 || out_file_index < 0)
2457 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2458 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2460 files[0] = output_files[out_file_index];
2461 files[1] = input_files[in_file_index].ctx;
2463 for (j = 0; j < 2; j++) {
2464 AVMetaDataMap *map = &meta_data_maps[i][j];
2466 switch (map->type) {
2468 meta[j] = &files[j]->metadata;
2471 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2472 meta[j] = &files[j]->streams[map->index]->metadata;
2475 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2476 meta[j] = &files[j]->chapters[map->index]->metadata;
2479 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2480 meta[j] = &files[j]->programs[map->index]->metadata;
2485 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2488 /* copy global metadata by default */
2489 if (metadata_global_autocopy) {
2491 for (i = 0; i < nb_output_files; i++)
2492 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2493 AV_DICT_DONT_OVERWRITE);
2496 /* copy chapters according to chapter maps */
2497 for (i = 0; i < nb_chapter_maps; i++) {
2498 int infile = chapter_maps[i].in_file;
2499 int outfile = chapter_maps[i].out_file;
2501 if (infile < 0 || outfile < 0)
2503 if (infile >= nb_input_files) {
2504 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2505 ret = AVERROR(EINVAL);
2508 if (outfile >= nb_output_files) {
2509 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2510 ret = AVERROR(EINVAL);
2513 copy_chapters(infile, outfile);
2516 /* copy chapters from the first input file that has them*/
2517 if (!nb_chapter_maps)
2518 for (i = 0; i < nb_input_files; i++) {
2519 if (!input_files[i].ctx->nb_chapters)
2522 for (j = 0; j < nb_output_files; j++)
2523 if ((ret = copy_chapters(i, j)) < 0)
2528 /* open files and write file headers */
2529 for(i=0;i<nb_output_files;i++) {
2530 os = output_files[i];
2531 if (av_write_header(os) < 0) {
2532 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2533 ret = AVERROR(EINVAL);
2536 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2542 /* dump the file output parameters - cannot be done before in case
2544 for(i=0;i<nb_output_files;i++) {
2545 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2548 /* dump the stream mapping */
2550 fprintf(stderr, "Stream mapping:\n");
2551 for(i=0;i<nb_ostreams;i++) {
2553 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2554 input_streams[ost->source_index].file_index,
2555 input_streams[ost->source_index].st->index,
2558 if (ost->sync_ist != &input_streams[ost->source_index])
2559 fprintf(stderr, " [sync #%d.%d]",
2560 ost->sync_ist->file_index,
2561 ost->sync_ist->st->index);
2562 fprintf(stderr, "\n");
2567 fprintf(stderr, "%s\n", error);
2572 print_sdp(output_files, nb_output_files);
2577 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2578 avio_set_interrupt_cb(decode_interrupt_cb);
2582 timer_start = av_gettime();
2584 for(; received_sigterm == 0;) {
2585 int file_index, ist_index;
2593 /* if 'q' pressed, exits */
2597 /* read_key() returns 0 on EOF */
2601 if (key == '+') verbose++;
2602 if (key == '-') verbose--;
2603 if (key == 's') qp_hist ^= 1;
2606 do_hex_dump = do_pkt_dump = 0;
2607 } else if(do_pkt_dump){
2611 av_log_set_level(AV_LOG_DEBUG);
2613 if (key == 'd' || key == 'D'){
2616 debug = input_streams[0].st->codec->debug<<1;
2617 if(!debug) debug = 1;
2618 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2621 scanf("%d", &debug);
2622 for(i=0;i<nb_input_streams;i++) {
2623 input_streams[i].st->codec->debug = debug;
2625 for(i=0;i<nb_ostreams;i++) {
2627 ost->st->codec->debug = debug;
2629 if(debug) av_log_set_level(AV_LOG_DEBUG);
2630 fprintf(stderr,"debug=%d\n", debug);
2633 fprintf(stderr, "key function\n"
2634 "? show this help\n"
2635 "+ increase verbosity\n"
2636 "- decrease verbosity\n"
2637 "D cycle through available debug modes\n"
2638 "h dump packets/hex press to cycle through the 3 states\n"
2640 "s Show QP histogram\n"
2645 /* select the stream that we must read now by looking at the
2646 smallest output pts */
2648 for(i=0;i<nb_ostreams;i++) {
2651 os = output_files[ost->file_index];
2652 ist = &input_streams[ost->source_index];
2653 if(ist->is_past_recording_time || no_packet[ist->file_index])
2655 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2656 ipts = (double)ist->pts;
2657 if (!input_files[ist->file_index].eof_reached){
2658 if(ipts < ipts_min) {
2660 if(input_sync ) file_index = ist->file_index;
2662 if(opts < opts_min) {
2664 if(!input_sync) file_index = ist->file_index;
2667 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2672 /* if none, if is finished */
2673 if (file_index < 0) {
2674 if(no_packet_count){
2676 memset(no_packet, 0, sizeof(no_packet));
2683 /* finish if limit size exhausted */
2684 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2687 /* read a frame from it and output it in the fifo */
2688 is = input_files[file_index].ctx;
2689 ret= av_read_frame(is, &pkt);
2690 if(ret == AVERROR(EAGAIN)){
2691 no_packet[file_index]=1;
2696 input_files[file_index].eof_reached = 1;
2704 memset(no_packet, 0, sizeof(no_packet));
2707 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2708 is->streams[pkt.stream_index]);
2710 /* the following test is needed in case new streams appear
2711 dynamically in stream : we ignore them */
2712 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2713 goto discard_packet;
2714 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2715 ist = &input_streams[ist_index];
2717 goto discard_packet;
2719 if (pkt.dts != AV_NOPTS_VALUE)
2720 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2721 if (pkt.pts != AV_NOPTS_VALUE)
2722 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2724 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2725 && input_files_ts_scale[file_index][pkt.stream_index]){
2726 if(pkt.pts != AV_NOPTS_VALUE)
2727 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2728 if(pkt.dts != AV_NOPTS_VALUE)
2729 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2732 // 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);
2733 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2734 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2735 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2736 int64_t delta= pkt_dts - ist->next_pts;
2737 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2738 input_files_ts_offset[ist->file_index]-= delta;
2740 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2741 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2742 if(pkt.pts != AV_NOPTS_VALUE)
2743 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2747 /* finish if recording time exhausted */
2748 if (recording_time != INT64_MAX &&
2749 (pkt.pts != AV_NOPTS_VALUE ?
2750 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2752 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2754 ist->is_past_recording_time = 1;
2755 goto discard_packet;
2758 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2759 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2762 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2763 ist->file_index, ist->st->index);
2766 av_free_packet(&pkt);
2771 av_free_packet(&pkt);
2773 /* dump report by using the output first video and audio streams */
2774 print_report(output_files, ost_table, nb_ostreams, 0);
2777 /* at the end of stream, we must flush the decoder buffers */
2778 for (i = 0; i < nb_input_streams; i++) {
2779 ist = &input_streams[i];
2780 if (ist->decoding_needed) {
2781 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2787 /* write the trailer if needed and close file */
2788 for(i=0;i<nb_output_files;i++) {
2789 os = output_files[i];
2790 av_write_trailer(os);
2793 /* dump report by using the first video and audio streams */
2794 print_report(output_files, ost_table, nb_ostreams, 1);
2796 /* close each encoder */
2797 for(i=0;i<nb_ostreams;i++) {
2799 if (ost->encoding_needed) {
2800 av_freep(&ost->st->codec->stats_in);
2801 avcodec_close(ost->st->codec);
2804 avfilter_graph_free(&ost->graph);
2808 /* close each decoder */
2809 for (i = 0; i < nb_input_streams; i++) {
2810 ist = &input_streams[i];
2811 if (ist->decoding_needed) {
2812 avcodec_close(ist->st->codec);
2820 av_freep(&bit_buffer);
2823 for(i=0;i<nb_ostreams;i++) {
2826 if (ost->st->stream_copy)
2827 av_freep(&ost->st->codec->extradata);
2829 fclose(ost->logfile);
2830 ost->logfile = NULL;
2832 av_fifo_free(ost->fifo); /* works even if fifo is not
2833 initialized but set to zero */
2834 av_freep(&ost->st->codec->subtitle_header);
2835 av_free(ost->resample_frame.data[0]);
2836 av_free(ost->forced_kf_pts);
2837 if (ost->video_resample)
2838 sws_freeContext(ost->img_resample_ctx);
2840 audio_resample_close(ost->resample);
2841 if (ost->reformat_ctx)
2842 av_audio_convert_free(ost->reformat_ctx);
2851 static int opt_format(const char *opt, const char *arg)
2853 last_asked_format = arg;
2857 static int opt_video_rc_override_string(const char *opt, const char *arg)
2859 video_rc_override_string = arg;
2863 static int opt_me_threshold(const char *opt, const char *arg)
2865 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2869 static int opt_verbose(const char *opt, const char *arg)
2871 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2875 static int opt_frame_rate(const char *opt, const char *arg)
2877 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2878 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2884 static int opt_bitrate(const char *opt, const char *arg)
2886 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2888 opt_default(opt, arg);
2890 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2891 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2896 static int opt_frame_crop(const char *opt, const char *arg)
2898 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2899 return AVERROR(EINVAL);
2902 static int opt_frame_size(const char *opt, const char *arg)
2904 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2905 fprintf(stderr, "Incorrect frame size\n");
2906 return AVERROR(EINVAL);
2911 static int opt_pad(const char *opt, const char *arg) {
2912 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2916 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2918 if (strcmp(arg, "list")) {
2919 frame_pix_fmt = av_get_pix_fmt(arg);
2920 if (frame_pix_fmt == PIX_FMT_NONE) {
2921 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2922 return AVERROR(EINVAL);
2931 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2938 p = strchr(arg, ':');
2940 x = strtol(arg, &end, 10);
2942 y = strtol(end+1, &end, 10);
2944 ar = (double)x / (double)y;
2946 ar = strtod(arg, NULL);
2949 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2950 return AVERROR(EINVAL);
2952 frame_aspect_ratio = ar;
2956 static int opt_metadata(const char *opt, const char *arg)
2958 char *mid= strchr(arg, '=');
2961 fprintf(stderr, "Missing =\n");
2966 av_dict_set(&metadata, arg, mid, 0);
2971 static int opt_qscale(const char *opt, const char *arg)
2973 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2974 if (video_qscale <= 0 || video_qscale > 255) {
2975 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2976 return AVERROR(EINVAL);
2981 static int opt_top_field_first(const char *opt, const char *arg)
2983 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2984 opt_default(opt, arg);
2988 static int opt_thread_count(const char *opt, const char *arg)
2990 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2993 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2998 static int opt_audio_sample_fmt(const char *opt, const char *arg)
3000 if (strcmp(arg, "list")) {
3001 audio_sample_fmt = av_get_sample_fmt(arg);
3002 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
3003 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
3004 return AVERROR(EINVAL);
3009 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
3010 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
3016 static int opt_audio_rate(const char *opt, const char *arg)
3018 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3022 static int opt_audio_channels(const char *opt, const char *arg)
3024 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3028 static int opt_video_channel(const char *opt, const char *arg)
3030 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3034 static int opt_video_standard(const char *opt, const char *arg)
3036 video_standard = av_strdup(arg);
3040 static int opt_codec(const char *opt, const char *arg)
3042 int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
3044 if (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy; pcodec_name = &audio_codec_name; codec_type = AVMEDIA_TYPE_AUDIO; }
3045 else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy; pcodec_name = &video_codec_name; codec_type = AVMEDIA_TYPE_VIDEO; }
3046 else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
3047 else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy; pcodec_name = &data_codec_name; codec_type = AVMEDIA_TYPE_DATA; }
3049 av_freep(pcodec_name);
3050 if (!strcmp(arg, "copy")) {
3053 *pcodec_name = av_strdup(arg);
3058 static int opt_codec_tag(const char *opt, const char *arg)
3061 uint32_t *codec_tag;
3063 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3064 !strcmp(opt, "vtag") ? &video_codec_tag :
3065 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3069 *codec_tag = strtol(arg, &tail, 0);
3071 *codec_tag = AV_RL32(arg);
3076 static int opt_map(const char *opt, const char *arg)
3081 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3082 m = &stream_maps[nb_stream_maps-1];
3084 m->file_index = strtol(arg, &p, 0);
3088 m->stream_index = strtol(p, &p, 0);
3091 m->sync_file_index = strtol(p, &p, 0);
3094 m->sync_stream_index = strtol(p, &p, 0);
3096 m->sync_file_index = m->file_index;
3097 m->sync_stream_index = m->stream_index;
3102 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3113 *index = strtol(++arg, endptr, 0);
3116 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3123 static int opt_map_metadata(const char *opt, const char *arg)
3125 AVMetaDataMap *m, *m1;
3128 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3129 &nb_meta_data_maps, nb_meta_data_maps + 1);
3131 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3132 m->file = strtol(arg, &p, 0);
3133 parse_meta_type(p, &m->type, &m->index, &p);
3137 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3138 m1->file = strtol(p, &p, 0);
3139 parse_meta_type(p, &m1->type, &m1->index, &p);
3141 if (m->type == 'g' || m1->type == 'g')
3142 metadata_global_autocopy = 0;
3143 if (m->type == 's' || m1->type == 's')
3144 metadata_streams_autocopy = 0;
3145 if (m->type == 'c' || m1->type == 'c')
3146 metadata_chapters_autocopy = 0;
3151 static int opt_map_meta_data(const char *opt, const char *arg)
3153 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3154 "Use -map_metadata instead.\n");
3155 return opt_map_metadata(opt, arg);
3158 static int opt_map_chapters(const char *opt, const char *arg)
3163 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3164 nb_chapter_maps + 1);
3165 c = &chapter_maps[nb_chapter_maps - 1];
3166 c->out_file = strtol(arg, &p, 0);
3170 c->in_file = strtol(p, &p, 0);
3174 static int opt_input_ts_scale(const char *opt, const char *arg)
3176 unsigned int stream;
3180 stream = strtol(arg, &p, 0);
3183 scale= strtod(p, &p);
3185 if(stream >= MAX_STREAMS)
3188 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);
3189 input_files_ts_scale[nb_input_files][stream]= scale;
3193 static int opt_recording_time(const char *opt, const char *arg)
3195 recording_time = parse_time_or_die(opt, arg, 1);
3199 static int opt_start_time(const char *opt, const char *arg)
3201 start_time = parse_time_or_die(opt, arg, 1);
3205 static int opt_recording_timestamp(const char *opt, const char *arg)
3207 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3211 static int opt_input_ts_offset(const char *opt, const char *arg)
3213 input_ts_offset = parse_time_or_die(opt, arg, 1);
3217 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3219 const char *codec_string = encoder ? "encoder" : "decoder";
3223 return CODEC_ID_NONE;
3225 avcodec_find_encoder_by_name(name) :
3226 avcodec_find_decoder_by_name(name);
3228 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3231 if(codec->type != type) {
3232 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3235 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3236 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3237 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3238 "results.\nAdd '-strict experimental' if you want to use it.\n",
3239 codec_string, codec->name);
3241 avcodec_find_encoder(codec->id) :
3242 avcodec_find_decoder(codec->id);
3243 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3244 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3245 codec_string, codec->name);
3251 static int opt_input_file(const char *opt, const char *filename)
3253 AVFormatContext *ic;
3254 AVFormatParameters params, *ap = ¶ms;
3255 AVInputFormat *file_iformat = NULL;
3256 int err, i, ret, rfps, rfps_base;
3259 if (last_asked_format) {
3260 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3261 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3264 last_asked_format = NULL;
3267 if (!strcmp(filename, "-"))
3270 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3271 !strcmp(filename, "/dev/stdin");
3273 /* get default parameters from command line */
3274 ic = avformat_alloc_context();
3276 print_error(filename, AVERROR(ENOMEM));
3280 memset(ap, 0, sizeof(*ap));
3281 ap->prealloced_context = 1;
3282 ap->sample_rate = audio_sample_rate;
3283 ap->channels = audio_channels;
3284 ap->time_base.den = frame_rate.num;
3285 ap->time_base.num = frame_rate.den;
3286 ap->width = frame_width;
3287 ap->height = frame_height;
3288 ap->pix_fmt = frame_pix_fmt;
3289 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3290 ap->channel = video_channel;
3291 ap->standard = video_standard;
3293 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3295 ic->video_codec_id =
3296 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3297 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3298 ic->audio_codec_id =
3299 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3300 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3301 ic->subtitle_codec_id=
3302 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3303 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3304 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3306 /* open the input file with generic libav function */
3307 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3309 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3310 err = av_demuxer_open(ic, ap);
3312 avformat_free_context(ic);
3315 print_error(filename, err);
3321 for(i=0; i<ic->nb_streams; i++){
3322 ic->streams[i]->discard= AVDISCARD_ALL;
3324 for(i=0; i<ic->nb_programs; i++){
3325 AVProgram *p= ic->programs[i];
3326 if(p->id != opt_programid){
3327 p->discard = AVDISCARD_ALL;
3330 for(j=0; j<p->nb_stream_indexes; j++){
3331 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3336 fprintf(stderr, "Specified program id not found\n");
3342 ic->loop_input = loop_input;
3344 /* If not enough info to get the stream parameters, we decode the
3345 first frames to get it. (used in mpeg case for example) */
3346 ret = av_find_stream_info(ic);
3347 if (ret < 0 && verbose >= 0) {
3348 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3349 av_close_input_file(ic);
3353 timestamp = start_time;
3354 /* add the stream start time */
3355 if (ic->start_time != AV_NOPTS_VALUE)
3356 timestamp += ic->start_time;
3358 /* if seeking requested, we execute it */
3359 if (start_time != 0) {
3360 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3362 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3363 filename, (double)timestamp / AV_TIME_BASE);
3365 /* reset seek info */
3369 /* update the current parameters so that they match the one of the input stream */
3370 for(i=0;i<ic->nb_streams;i++) {
3371 AVStream *st = ic->streams[i];
3372 AVCodecContext *dec = st->codec;
3375 dec->thread_count = thread_count;
3376 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3378 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3379 ist = &input_streams[nb_input_streams - 1];
3381 ist->file_index = nb_input_files;
3384 switch (dec->codec_type) {
3385 case AVMEDIA_TYPE_AUDIO:
3386 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3387 if(!input_codecs[nb_input_codecs-1])
3388 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3389 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]);
3390 channel_layout = dec->channel_layout;
3391 audio_sample_fmt = dec->sample_fmt;
3393 st->discard= AVDISCARD_ALL;
3395 case AVMEDIA_TYPE_VIDEO:
3396 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3397 if(!input_codecs[nb_input_codecs-1])
3398 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3399 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]);
3400 frame_height = dec->height;
3401 frame_width = dec->width;
3402 frame_pix_fmt = dec->pix_fmt;
3403 rfps = ic->streams[i]->r_frame_rate.num;
3404 rfps_base = ic->streams[i]->r_frame_rate.den;
3406 dec->flags |= CODEC_FLAG_EMU_EDGE;
3407 frame_height >>= dec->lowres;
3408 frame_width >>= dec->lowres;
3409 dec->height = frame_height;
3410 dec->width = frame_width;
3413 dec->debug |= FF_DEBUG_MV;
3415 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3418 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3419 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3421 (float)rfps / rfps_base, rfps, rfps_base);
3425 st->discard= AVDISCARD_ALL;
3426 else if(video_discard)
3427 st->discard= video_discard;
3429 case AVMEDIA_TYPE_DATA:
3431 case AVMEDIA_TYPE_SUBTITLE:
3432 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3433 if(!input_codecs[nb_input_codecs-1])
3434 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3435 if(subtitle_disable)
3436 st->discard = AVDISCARD_ALL;
3438 case AVMEDIA_TYPE_ATTACHMENT:
3439 case AVMEDIA_TYPE_UNKNOWN:
3446 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3447 /* dump the file content */
3449 av_dump_format(ic, nb_input_files, filename, 0);
3451 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3452 input_files[nb_input_files - 1].ctx = ic;
3453 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3456 top_field_first = -1;
3457 frame_rate = (AVRational){0, 0};
3458 audio_sample_rate = 0;
3461 av_freep(&video_codec_name);
3462 av_freep(&audio_codec_name);
3463 av_freep(&subtitle_codec_name);
3469 static void check_inputs(int *has_video_ptr,
3471 int *has_subtitle_ptr,
3474 int has_video, has_audio, has_subtitle, has_data, i, j;
3475 AVFormatContext *ic;
3482 for(j=0;j<nb_input_files;j++) {
3483 ic = input_files[j].ctx;
3484 for(i=0;i<ic->nb_streams;i++) {
3485 AVCodecContext *enc = ic->streams[i]->codec;
3486 switch(enc->codec_type) {
3487 case AVMEDIA_TYPE_AUDIO:
3490 case AVMEDIA_TYPE_VIDEO:
3493 case AVMEDIA_TYPE_SUBTITLE:
3496 case AVMEDIA_TYPE_DATA:
3497 case AVMEDIA_TYPE_ATTACHMENT:
3498 case AVMEDIA_TYPE_UNKNOWN:
3506 *has_video_ptr = has_video;
3507 *has_audio_ptr = has_audio;
3508 *has_subtitle_ptr = has_subtitle;
3509 *has_data_ptr = has_data;
3512 static void new_video_stream(AVFormatContext *oc, int file_idx)
3515 AVOutputStream *ost;
3516 AVCodecContext *video_enc;
3517 enum CodecID codec_id = CODEC_ID_NONE;
3518 AVCodec *codec= NULL;
3520 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3522 fprintf(stderr, "Could not alloc stream\n");
3525 ost = new_output_stream(oc, file_idx);
3527 if(!video_stream_copy){
3528 if (video_codec_name) {
3529 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3530 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3531 codec = avcodec_find_encoder_by_name(video_codec_name);
3534 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3535 codec = avcodec_find_encoder(codec_id);
3537 ost->frame_aspect_ratio = frame_aspect_ratio;
3538 frame_aspect_ratio = 0;
3540 ost->avfilter = vfilters;
3545 avcodec_get_context_defaults3(st->codec, codec);
3546 ost->bitstream_filters = video_bitstream_filters;
3547 video_bitstream_filters= NULL;
3549 st->codec->thread_count= thread_count;
3551 video_enc = st->codec;
3554 video_enc->codec_tag= video_codec_tag;
3556 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3557 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3558 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3561 if (video_stream_copy) {
3562 st->stream_copy = 1;
3563 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3564 video_enc->sample_aspect_ratio =
3565 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3571 ost->frame_rate = frame_rate;
3572 video_enc->codec_id = codec_id;
3573 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3575 video_enc->width = frame_width;
3576 video_enc->height = frame_height;
3577 video_enc->pix_fmt = frame_pix_fmt;
3578 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3579 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3581 choose_pixel_fmt(st, codec);
3584 video_enc->gop_size = 0;
3585 if (video_qscale || same_quality) {
3586 video_enc->flags |= CODEC_FLAG_QSCALE;
3587 video_enc->global_quality=
3588 st->quality = FF_QP2LAMBDA * video_qscale;
3592 video_enc->intra_matrix = intra_matrix;
3594 video_enc->inter_matrix = inter_matrix;
3596 p= video_rc_override_string;
3599 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3601 fprintf(stderr, "error parsing rc_override\n");
3604 video_enc->rc_override=
3605 av_realloc(video_enc->rc_override,
3606 sizeof(RcOverride)*(i+1));
3607 video_enc->rc_override[i].start_frame= start;
3608 video_enc->rc_override[i].end_frame = end;
3610 video_enc->rc_override[i].qscale= q;
3611 video_enc->rc_override[i].quality_factor= 1.0;
3614 video_enc->rc_override[i].qscale= 0;
3615 video_enc->rc_override[i].quality_factor= -q/100.0;
3620 video_enc->rc_override_count=i;
3621 if (!video_enc->rc_initial_buffer_occupancy)
3622 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3623 video_enc->me_threshold= me_threshold;
3624 video_enc->intra_dc_precision= intra_dc_precision - 8;
3627 video_enc->flags|= CODEC_FLAG_PSNR;
3632 video_enc->flags |= CODEC_FLAG_PASS1;
3634 video_enc->flags |= CODEC_FLAG_PASS2;
3638 if (forced_key_frames)
3639 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3641 if (video_language) {
3642 av_dict_set(&st->metadata, "language", video_language, 0);
3643 av_freep(&video_language);
3646 /* reset some key parameters */
3648 av_freep(&video_codec_name);
3649 av_freep(&forced_key_frames);
3650 video_stream_copy = 0;
3651 frame_pix_fmt = PIX_FMT_NONE;
3654 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3657 AVOutputStream *ost;
3658 AVCodec *codec= NULL;
3659 AVCodecContext *audio_enc;
3660 enum CodecID codec_id = CODEC_ID_NONE;
3662 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3664 fprintf(stderr, "Could not alloc stream\n");
3667 ost = new_output_stream(oc, file_idx);
3669 if(!audio_stream_copy){
3670 if (audio_codec_name) {
3671 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3672 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3673 codec = avcodec_find_encoder_by_name(audio_codec_name);
3676 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3677 codec = avcodec_find_encoder(codec_id);
3681 avcodec_get_context_defaults3(st->codec, codec);
3683 ost->bitstream_filters = audio_bitstream_filters;
3684 audio_bitstream_filters= NULL;
3686 st->codec->thread_count= thread_count;
3688 audio_enc = st->codec;
3689 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3692 audio_enc->codec_tag= audio_codec_tag;
3694 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3695 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3696 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3698 if (audio_stream_copy) {
3699 st->stream_copy = 1;
3701 audio_enc->codec_id = codec_id;
3702 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3704 if (audio_qscale > QSCALE_NONE) {
3705 audio_enc->flags |= CODEC_FLAG_QSCALE;
3706 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3709 audio_enc->channels = audio_channels;
3710 audio_enc->sample_fmt = audio_sample_fmt;
3711 if (audio_sample_rate)
3712 audio_enc->sample_rate = audio_sample_rate;
3713 audio_enc->channel_layout = channel_layout;
3714 choose_sample_fmt(st, codec);
3716 if (audio_language) {
3717 av_dict_set(&st->metadata, "language", audio_language, 0);
3718 av_freep(&audio_language);
3721 /* reset some key parameters */
3723 av_freep(&audio_codec_name);
3724 audio_stream_copy = 0;
3727 static void new_data_stream(AVFormatContext *oc, int file_idx)
3730 AVCodec *codec=NULL;
3731 AVCodecContext *data_enc;
3733 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3735 fprintf(stderr, "Could not alloc stream\n");
3738 new_output_stream(oc, file_idx);
3739 data_enc = st->codec;
3740 if (!data_stream_copy) {
3741 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3744 avcodec_get_context_defaults3(st->codec, codec);
3746 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3749 data_enc->codec_tag= data_codec_tag;
3751 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3752 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3753 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3755 if (data_stream_copy) {
3756 st->stream_copy = 1;
3760 av_freep(&data_codec_name);
3761 data_stream_copy = 0;
3764 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3767 AVOutputStream *ost;
3768 AVCodec *codec=NULL;
3769 AVCodecContext *subtitle_enc;
3770 enum CodecID codec_id = CODEC_ID_NONE;
3772 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3774 fprintf(stderr, "Could not alloc stream\n");
3777 ost = new_output_stream(oc, file_idx);
3778 subtitle_enc = st->codec;
3779 if(!subtitle_stream_copy){
3780 if (subtitle_codec_name) {
3781 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3782 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3783 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3786 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3787 codec = avcodec_find_encoder(codec_id);
3790 avcodec_get_context_defaults3(st->codec, codec);
3792 ost->bitstream_filters = subtitle_bitstream_filters;
3793 subtitle_bitstream_filters= NULL;
3795 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3797 if(subtitle_codec_tag)
3798 subtitle_enc->codec_tag= subtitle_codec_tag;
3800 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3801 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3802 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3804 if (subtitle_stream_copy) {
3805 st->stream_copy = 1;
3807 subtitle_enc->codec_id = codec_id;
3808 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3811 if (subtitle_language) {
3812 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3813 av_freep(&subtitle_language);
3816 subtitle_disable = 0;
3817 av_freep(&subtitle_codec_name);
3818 subtitle_stream_copy = 0;
3821 static int opt_new_stream(const char *opt, const char *arg)
3823 AVFormatContext *oc;
3824 int file_idx = nb_output_files - 1;
3825 if (nb_output_files <= 0) {
3826 fprintf(stderr, "At least one output file must be specified\n");
3829 oc = output_files[file_idx];
3831 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3832 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3833 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3834 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3839 /* arg format is "output-stream-index:streamid-value". */
3840 static int opt_streamid(const char *opt, const char *arg)
3846 av_strlcpy(idx_str, arg, sizeof(idx_str));
3847 p = strchr(idx_str, ':');
3850 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3855 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3856 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3857 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3861 static int opt_output_file(const char *opt, const char *filename)
3863 AVFormatContext *oc;
3864 int err, use_video, use_audio, use_subtitle, use_data;
3865 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3866 AVFormatParameters params, *ap = ¶ms;
3867 AVOutputFormat *file_oformat;
3869 if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
3870 fprintf(stderr, "Too many output files\n");
3874 if (!strcmp(filename, "-"))
3877 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3878 last_asked_format = NULL;
3880 print_error(filename, err);
3883 file_oformat= oc->oformat;
3885 if (!strcmp(file_oformat->name, "ffm") &&
3886 av_strstart(filename, "http:", NULL)) {
3887 /* special case for files sent to ffserver: we get the stream
3888 parameters from ffserver */
3889 int err = read_ffserver_streams(oc, filename);
3891 print_error(filename, err);
3895 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3896 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3897 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3898 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3900 /* disable if no corresponding type found and at least one
3902 if (nb_input_files > 0) {
3903 check_inputs(&input_has_video,
3905 &input_has_subtitle,
3908 if (!input_has_video)
3910 if (!input_has_audio)
3912 if (!input_has_subtitle)
3914 if (!input_has_data)
3918 /* manual disable */
3919 if (audio_disable) use_audio = 0;
3920 if (video_disable) use_video = 0;
3921 if (subtitle_disable) use_subtitle = 0;
3922 if (data_disable) use_data = 0;
3924 if (use_video) new_video_stream(oc, nb_output_files);
3925 if (use_audio) new_audio_stream(oc, nb_output_files);
3926 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3927 if (use_data) new_data_stream(oc, nb_output_files);
3929 oc->timestamp = recording_timestamp;
3931 av_dict_copy(&oc->metadata, metadata, 0);
3932 av_dict_free(&metadata);
3935 output_files[nb_output_files++] = oc;
3937 /* check filename in case of an image number is expected */
3938 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3939 if (!av_filename_number_test(oc->filename)) {
3940 print_error(oc->filename, AVERROR(EINVAL));
3945 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3946 /* test if it already exists to avoid loosing precious files */
3947 if (!file_overwrite &&
3948 (strchr(filename, ':') == NULL ||
3949 filename[1] == ':' ||
3950 av_strstart(filename, "file:", NULL))) {
3951 if (avio_check(filename, 0) == 0) {
3953 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3955 if (!read_yesno()) {
3956 fprintf(stderr, "Not overwriting - exiting\n");
3961 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3968 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3969 print_error(filename, err);
3974 memset(ap, 0, sizeof(*ap));
3975 if (av_set_parameters(oc, ap) < 0) {
3976 fprintf(stderr, "%s: Invalid encoding parameters\n",
3981 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3982 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3983 oc->loop_output = loop_output;
3985 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3987 frame_rate = (AVRational){0, 0};
3988 audio_sample_rate = 0;
3991 av_freep(&forced_key_frames);
3997 /* same option as mencoder */
3998 static int opt_pass(const char *opt, const char *arg)
4000 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4004 static int64_t getutime(void)
4007 struct rusage rusage;
4009 getrusage(RUSAGE_SELF, &rusage);
4010 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4011 #elif HAVE_GETPROCESSTIMES
4013 FILETIME c, e, k, u;
4014 proc = GetCurrentProcess();
4015 GetProcessTimes(proc, &c, &e, &k, &u);
4016 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4018 return av_gettime();
4022 static int64_t getmaxrss(void)
4024 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4025 struct rusage rusage;
4026 getrusage(RUSAGE_SELF, &rusage);
4027 return (int64_t)rusage.ru_maxrss * 1024;
4028 #elif HAVE_GETPROCESSMEMORYINFO
4030 PROCESS_MEMORY_COUNTERS memcounters;
4031 proc = GetCurrentProcess();
4032 memcounters.cb = sizeof(memcounters);
4033 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4034 return memcounters.PeakPagefileUsage;
4040 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4043 const char *p = str;
4050 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4057 static void opt_inter_matrix(const char *arg)
4059 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4060 parse_matrix_coeffs(inter_matrix, arg);
4063 static void opt_intra_matrix(const char *arg)
4065 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4066 parse_matrix_coeffs(intra_matrix, arg);
4069 static void show_usage(void)
4071 printf("Hyper fast Audio and Video encoder\n");
4072 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4076 static void show_help(void)
4079 AVOutputFormat *oformat = NULL;
4081 av_log_set_callback(log_callback_help);
4083 show_help_options(options, "Main options:\n",
4084 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4085 show_help_options(options, "\nAdvanced options:\n",
4086 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4088 show_help_options(options, "\nVideo options:\n",
4089 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4091 show_help_options(options, "\nAdvanced Video options:\n",
4092 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4093 OPT_VIDEO | OPT_EXPERT);
4094 show_help_options(options, "\nAudio options:\n",
4095 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4097 show_help_options(options, "\nAdvanced Audio options:\n",
4098 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4099 OPT_AUDIO | OPT_EXPERT);
4100 show_help_options(options, "\nSubtitle options:\n",
4101 OPT_SUBTITLE | OPT_GRAB,
4103 show_help_options(options, "\nAudio/Video grab options:\n",
4107 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4110 /* individual codec options */
4112 while ((c = av_codec_next(c))) {
4113 if (c->priv_class) {
4114 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4119 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4122 /* individual muxer options */
4123 while ((oformat = av_oformat_next(oformat))) {
4124 if (oformat->priv_class) {
4125 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4130 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4133 static int opt_target(const char *opt, const char *arg)
4135 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4136 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4138 if(!strncmp(arg, "pal-", 4)) {
4141 } else if(!strncmp(arg, "ntsc-", 5)) {
4144 } else if(!strncmp(arg, "film-", 5)) {
4149 /* Calculate FR via float to avoid int overflow */
4150 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4153 } else if((fr == 29970) || (fr == 23976)) {
4156 /* Try to determine PAL/NTSC by peeking in the input files */
4157 if(nb_input_files) {
4159 for (j = 0; j < nb_input_files; j++) {
4160 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4161 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4162 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4164 fr = c->time_base.den * 1000 / c->time_base.num;
4168 } else if((fr == 29970) || (fr == 23976)) {
4178 if(verbose > 0 && norm != UNKNOWN)
4179 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4182 if(norm == UNKNOWN) {
4183 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4184 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4185 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4189 if(!strcmp(arg, "vcd")) {
4190 opt_codec("vcodec", "mpeg1video");
4191 opt_codec("acodec", "mp2");
4192 opt_format("f", "vcd");
4194 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4195 opt_frame_rate("r", frame_rates[norm]);
4196 opt_default("g", norm == PAL ? "15" : "18");
4198 opt_default("b", "1150000");
4199 opt_default("maxrate", "1150000");
4200 opt_default("minrate", "1150000");
4201 opt_default("bufsize", "327680"); // 40*1024*8;
4203 opt_default("ab", "224000");
4204 audio_sample_rate = 44100;
4207 opt_default("packetsize", "2324");
4208 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4210 /* We have to offset the PTS, so that it is consistent with the SCR.
4211 SCR starts at 36000, but the first two packs contain only padding
4212 and the first pack from the other stream, respectively, may also have
4213 been written before.
4214 So the real data starts at SCR 36000+3*1200. */
4215 mux_preload= (36000+3*1200) / 90000.0; //0.44
4216 } else if(!strcmp(arg, "svcd")) {
4218 opt_codec("vcodec", "mpeg2video");
4219 opt_codec("acodec", "mp2");
4220 opt_format("f", "svcd");
4222 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4223 opt_frame_rate("r", frame_rates[norm]);
4224 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4225 opt_default("g", norm == PAL ? "15" : "18");
4227 opt_default("b", "2040000");
4228 opt_default("maxrate", "2516000");
4229 opt_default("minrate", "0"); //1145000;
4230 opt_default("bufsize", "1835008"); //224*1024*8;
4231 opt_default("flags", "+scan_offset");
4234 opt_default("ab", "224000");
4235 audio_sample_rate = 44100;
4237 opt_default("packetsize", "2324");
4239 } else if(!strcmp(arg, "dvd")) {
4241 opt_codec("vcodec", "mpeg2video");
4242 opt_codec("acodec", "ac3");
4243 opt_format("f", "dvd");
4245 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4246 opt_frame_rate("r", frame_rates[norm]);
4247 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4248 opt_default("g", norm == PAL ? "15" : "18");
4250 opt_default("b", "6000000");
4251 opt_default("maxrate", "9000000");
4252 opt_default("minrate", "0"); //1500000;
4253 opt_default("bufsize", "1835008"); //224*1024*8;
4255 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4256 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4258 opt_default("ab", "448000");
4259 audio_sample_rate = 48000;
4261 } else if(!strncmp(arg, "dv", 2)) {
4263 opt_format("f", "dv");
4265 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4266 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4267 norm == PAL ? "yuv420p" : "yuv411p");
4268 opt_frame_rate("r", frame_rates[norm]);
4270 audio_sample_rate = 48000;
4274 fprintf(stderr, "Unknown target: %s\n", arg);
4275 return AVERROR(EINVAL);
4280 static int opt_vstats_file(const char *opt, const char *arg)
4282 av_free (vstats_filename);
4283 vstats_filename=av_strdup (arg);
4287 static int opt_vstats(const char *opt, const char *arg)
4290 time_t today2 = time(NULL);
4291 struct tm *today = localtime(&today2);
4293 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4295 return opt_vstats_file(opt, filename);
4298 static int opt_bsf(const char *opt, const char *arg)
4300 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4301 AVBitStreamFilterContext **bsfp;
4304 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4308 bsfp= *opt == 'v' ? &video_bitstream_filters :
4309 *opt == 'a' ? &audio_bitstream_filters :
4310 &subtitle_bitstream_filters;
4312 bsfp= &(*bsfp)->next;
4319 static int opt_preset(const char *opt, const char *arg)
4322 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4323 char *codec_name = *opt == 'v' ? video_codec_name :
4324 *opt == 'a' ? audio_codec_name :
4325 subtitle_codec_name;
4327 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4328 fprintf(stderr, "File for preset '%s' not found\n", arg);
4333 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4334 if(line[0] == '#' && !e)
4336 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4338 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4341 if (!strcmp(tmp, "acodec") ||
4342 !strcmp(tmp, "vcodec") ||
4343 !strcmp(tmp, "scodec") ||
4344 !strcmp(tmp, "dcodec")) {
4345 opt_codec(tmp, tmp2);
4346 }else if(opt_default(tmp, tmp2) < 0){
4347 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4357 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4361 static void opt_passlogfile(const char *arg)
4363 pass_logfilename_prefix = arg;
4364 opt_default("passlogfile", arg);
4367 static const OptionDef options[] = {
4369 #include "cmdutils_common_opts.h"
4370 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4371 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4372 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4373 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4374 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4375 "outfile[,metadata]:infile[,metadata]" },
4376 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4377 "outfile[,metadata]:infile[,metadata]" },
4378 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4379 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4380 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4381 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4382 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4383 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4384 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4385 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4386 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4387 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4388 "add timings for benchmarking" },
4389 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4390 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4391 "dump each input packet" },
4392 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4393 "when dumping packets, also dump the payload" },
4394 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4395 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4396 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
4397 { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4398 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4399 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4400 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4401 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4402 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4403 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4404 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4405 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4406 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4407 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4408 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4409 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4412 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4413 { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4414 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4415 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4416 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4417 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4418 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4419 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4420 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4421 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4422 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4423 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4424 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4425 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4426 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4427 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4428 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4429 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4430 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4431 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4432 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4433 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4434 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_codec}, "force video codec ('copy' to copy stream)", "codec" },
4435 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4436 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4437 "use same quantizer as source (implies VBR)" },
4438 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4439 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4440 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4441 "deinterlace pictures" },
4442 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4443 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4444 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4446 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4448 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4449 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4450 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4451 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4452 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4453 { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4454 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4455 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4456 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4457 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4458 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4461 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4462 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4463 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4464 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4465 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4466 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4467 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4468 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4469 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4470 { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4471 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4472 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4474 /* subtitle options */
4475 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4476 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4477 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4478 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4479 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4482 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4483 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4484 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4487 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4488 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4490 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4491 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4492 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4494 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4495 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4496 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4497 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4498 /* data codec support */
4499 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_codec}, "force data codec ('copy' to copy stream)", "codec" },
4501 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4505 int main(int argc, char **argv)
4509 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4511 if(argc>1 && !strcmp(argv[1], "-d")){
4514 av_log_set_callback(log_callback_null);
4519 avcodec_register_all();
4521 avdevice_register_all();
4524 avfilter_register_all();
4529 if(isatty(STDIN_FILENO))
4530 avio_set_interrupt_cb(decode_interrupt_cb);
4539 parse_options(argc, argv, options, opt_output_file);
4541 if(nb_output_files <= 0 && nb_input_files == 0) {
4543 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4547 /* file converter / grab */
4548 if (nb_output_files <= 0) {
4549 fprintf(stderr, "At least one output file must be specified\n");
4553 if (nb_input_files == 0) {
4554 fprintf(stderr, "At least one input file must be specified\n");
4559 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4560 stream_maps, nb_stream_maps) < 0)
4562 ti = getutime() - ti;
4564 int maxrss = getmaxrss() / 1024;
4565 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4568 return ffmpeg_exit(0);