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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcore/parseutils.h"
40 #include "libavutil/colorspace.h"
41 #include "libavutil/fifo.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
48 # include "libavfilter/avfilter.h"
49 # include "libavfilter/avfiltergraph.h"
50 # include "libavfilter/graphparser.h"
51 # include "libavfilter/vsrc_buffer.h"
54 #if HAVE_SYS_RESOURCE_H
55 #include <sys/types.h>
57 #include <sys/resource.h>
58 #elif HAVE_GETPROCESSTIMES
61 #if HAVE_GETPROCESSMEMORYINFO
67 #include <sys/select.h>
72 #include <sys/ioctl.h>
85 const char program_name[] = "FFmpeg";
86 const int program_birth_year = 2000;
88 /* select an input stream for an output stream */
89 typedef struct AVStreamMap {
93 int sync_stream_index;
96 /** select an input file for an output file */
97 typedef struct AVMetaDataMap {
102 static const OptionDef options[];
104 #define MAX_FILES 100
106 static const char *last_asked_format = NULL;
107 static AVFormatContext *input_files[MAX_FILES];
108 static int64_t input_files_ts_offset[MAX_FILES];
109 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
110 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
111 static int nb_input_files = 0;
112 static int nb_icodecs;
114 static AVFormatContext *output_files[MAX_FILES];
115 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
116 static int nb_output_files = 0;
117 static int nb_ocodecs;
119 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
120 static int nb_stream_maps;
122 static AVMetaDataMap meta_data_maps[MAX_FILES];
123 static int nb_meta_data_maps;
125 /* indexed by output file stream index */
126 static int streamid_map[MAX_STREAMS];
128 static int frame_width = 0;
129 static int frame_height = 0;
130 static float frame_aspect_ratio = 0;
131 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
132 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
133 static int frame_topBand = 0;
134 static int frame_bottomBand = 0;
135 static int frame_leftBand = 0;
136 static int frame_rightBand = 0;
137 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
138 static AVRational frame_rate;
139 static float video_qscale = 0;
140 static uint16_t *intra_matrix = NULL;
141 static uint16_t *inter_matrix = NULL;
142 static const char *video_rc_override_string=NULL;
143 static int video_disable = 0;
144 static int video_discard = 0;
145 static char *video_codec_name = NULL;
146 static unsigned int video_codec_tag = 0;
147 static char *video_language = NULL;
148 static int same_quality = 0;
149 static int do_deinterlace = 0;
150 static int top_field_first = -1;
151 static int me_threshold = 0;
152 static int intra_dc_precision = 8;
153 static int loop_input = 0;
154 static int loop_output = AVFMT_NOOUTPUTLOOP;
155 static int qp_hist = 0;
157 static char *vfilters = NULL;
158 AVFilterGraph *graph = NULL;
161 static int intra_only = 0;
162 static int audio_sample_rate = 44100;
163 static int64_t channel_layout = 0;
164 #define QSCALE_NONE -99999
165 static float audio_qscale = QSCALE_NONE;
166 static int audio_disable = 0;
167 static int audio_channels = 1;
168 static char *audio_codec_name = NULL;
169 static unsigned int audio_codec_tag = 0;
170 static char *audio_language = NULL;
172 static int subtitle_disable = 0;
173 static char *subtitle_codec_name = NULL;
174 static char *subtitle_language = NULL;
175 static unsigned int subtitle_codec_tag = 0;
177 static float mux_preload= 0.5;
178 static float mux_max_delay= 0.7;
180 static int64_t recording_time = INT64_MAX;
181 static int64_t start_time = 0;
182 static int64_t recording_timestamp = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static int metadata_count;
186 static AVMetadataTag *metadata;
187 static int do_benchmark = 0;
188 static int do_hex_dump = 0;
189 static int do_pkt_dump = 0;
190 static int do_psnr = 0;
191 static int do_pass = 0;
192 static char *pass_logfilename_prefix = NULL;
193 static int audio_stream_copy = 0;
194 static int video_stream_copy = 0;
195 static int subtitle_stream_copy = 0;
196 static int video_sync_method= -1;
197 static int audio_sync_method= 0;
198 static float audio_drift_threshold= 0.1;
199 static int copy_ts= 0;
200 static int opt_shortest = 0;
201 static int video_global_header = 0;
202 static char *vstats_filename;
203 static FILE *vstats_file;
204 static int opt_programid = 0;
205 static int copy_initial_nonkeyframes = 0;
207 static int rate_emu = 0;
209 static int video_channel = 0;
210 static char *video_standard;
212 static int audio_volume = 256;
214 static int exit_on_error = 0;
215 static int using_stdin = 0;
216 static int verbose = 1;
217 static int thread_count= 1;
218 static int q_pressed = 0;
219 static int64_t video_size = 0;
220 static int64_t audio_size = 0;
221 static int64_t extra_size = 0;
222 static int nb_frames_dup = 0;
223 static int nb_frames_drop = 0;
224 static int input_sync;
225 static uint64_t limit_filesize = 0;
226 static int force_fps = 0;
228 static int pgmyuv_compatibility_hack=0;
229 static float dts_delta_threshold = 10;
231 static unsigned int sws_flags = SWS_BICUBIC;
233 static int64_t timer_start;
235 static uint8_t *audio_buf;
236 static uint8_t *audio_out;
237 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
239 static short *samples;
241 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
242 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
243 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
244 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
246 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
248 struct AVInputStream;
250 typedef struct AVOutputStream {
251 int file_index; /* file index */
252 int index; /* stream index in the output file */
253 int source_index; /* AVInputStream index */
254 AVStream *st; /* stream in the output file */
255 int encoding_needed; /* true if encoding needed for this stream */
257 /* input pts and corresponding output pts
259 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
260 struct AVInputStream *sync_ist; /* input stream to sync against */
261 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
264 AVFrame pict_tmp; /* temporary image for resampling */
265 struct SwsContext *img_resample_ctx; /* for image resampling */
268 int resample_pix_fmt;
270 /* full frame size of first frame */
274 /* cropping area sizes */
281 /* cropping area of first frame */
282 int original_topBand;
283 int original_bottomBand;
284 int original_leftBand;
285 int original_rightBand;
289 ReSampleContext *resample; /* for audio resampling */
291 AVAudioConvert *reformat_ctx;
292 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
296 typedef struct AVInputStream {
300 int discard; /* true if stream data should be discarded */
301 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
302 int64_t sample_index; /* current sample */
304 int64_t start; /* time when read started */
305 int64_t next_pts; /* synthetic pts for cases where pkt.pts
307 int64_t pts; /* current pts */
308 int is_start; /* is 1 at the start and after a discontinuity */
309 int showed_multi_packet_warning;
310 int is_past_recording_time;
312 AVFilterContext *output_video_filter;
313 AVFilterContext *input_video_filter;
314 AVFrame *filter_frame;
315 int has_filter_frame;
316 AVFilterBufferRef *picref;
320 typedef struct AVInputFile {
321 int eof_reached; /* true if eof reached */
322 int ist_index; /* index of first stream in ist_table */
323 int buffer_size; /* current total buffer size */
324 int nb_streams; /* nb streams we are aware of */
329 /* init terminal so that we can grab keys */
330 static struct termios oldtty;
339 static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
341 FilterOutPriv *priv = ctx->priv;
343 if(!opaque) return -1;
345 priv->pix_fmt = *((int *)opaque);
350 static void output_end_frame(AVFilterLink *link)
354 static int output_query_formats(AVFilterContext *ctx)
356 FilterOutPriv *priv = ctx->priv;
357 enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
359 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
363 static int get_filtered_video_pic(AVFilterContext *ctx,
364 AVFilterBufferRef **picref, AVFrame *pic2,
367 AVFilterBufferRef *pic;
369 if(avfilter_request_frame(ctx->inputs[0]))
371 if(!(pic = ctx->inputs[0]->cur_buf))
374 ctx->inputs[0]->cur_buf = NULL;
378 memcpy(pic2->data, pic->data, sizeof(pic->data));
379 memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
380 pic2->interlaced_frame = pic->video->interlaced;
381 pic2->top_field_first = pic->video->top_field_first;
386 static AVFilter output_filter =
388 .name = "ffmpeg_output",
390 .priv_size = sizeof(FilterOutPriv),
393 .query_formats = output_query_formats,
395 .inputs = (AVFilterPad[]) {{ .name = "default",
396 .type = AVMEDIA_TYPE_VIDEO,
397 .end_frame = output_end_frame,
398 .min_perms = AV_PERM_READ, },
400 .outputs = (AVFilterPad[]) {{ .name = NULL }},
403 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
405 AVFilterContext *last_filter, *filter;
406 /** filter graph containing all filters including input & output */
407 AVCodecContext *codec = ost->st->codec;
408 AVCodecContext *icodec = ist->st->codec;
412 graph = av_mallocz(sizeof(AVFilterGraph));
414 if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
416 if ((ret = avfilter_open(&ist->output_video_filter, &output_filter, "out")) < 0)
419 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
420 ist->st->codec->height, ist->st->codec->pix_fmt);
421 if ((ret = avfilter_init_filter(ist->input_video_filter, args, NULL)) < 0)
423 if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &codec->pix_fmt)) < 0)
426 /* add input and output filters to the overall graph */
427 avfilter_graph_add_filter(graph, ist->input_video_filter);
428 avfilter_graph_add_filter(graph, ist->output_video_filter);
430 last_filter = ist->input_video_filter;
432 if (ost->video_crop) {
433 snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
436 if ((ret = avfilter_open(&filter, avfilter_get_by_name("crop"), NULL)) < 0)
438 if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
440 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
442 last_filter = filter;
443 avfilter_graph_add_filter(graph, last_filter);
447 icodec->width - (frame_leftBand + frame_rightBand)) ||
448 (codec->height != icodec->height - (frame_topBand + frame_bottomBand))) {
449 snprintf(args, 255, "%d:%d:flags=0x%X",
452 (int)av_get_int(sws_opts, "sws_flags", NULL));
453 if ((ret = avfilter_open(&filter, avfilter_get_by_name("scale"), NULL)) < 0)
455 if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
457 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
459 last_filter = filter;
460 avfilter_graph_add_filter(graph, last_filter);
463 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
464 graph->scale_sws_opts = av_strdup(args);
467 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
468 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
470 outputs->name = av_strdup("in");
471 outputs->filter = last_filter;
472 outputs->pad_idx = 0;
473 outputs->next = NULL;
475 inputs->name = av_strdup("out");
476 inputs->filter = ist->output_video_filter;
480 if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
484 if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
488 /* configure all the filter links */
489 if ((ret = avfilter_graph_check_validity(graph, NULL)) < 0)
491 if ((ret = avfilter_graph_config_formats(graph, NULL)) < 0)
493 if ((ret = avfilter_graph_config_links(graph, NULL)) < 0)
496 codec->width = ist->output_video_filter->inputs[0]->w;
497 codec->height = ist->output_video_filter->inputs[0]->h;
501 #endif /* CONFIG_AVFILTER */
503 static void term_exit(void)
506 tcsetattr (0, TCSANOW, &oldtty);
510 static volatile int received_sigterm = 0;
513 sigterm_handler(int sig)
515 received_sigterm = sig;
519 static void term_init(void)
528 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
529 |INLCR|IGNCR|ICRNL|IXON);
530 tty.c_oflag |= OPOST;
531 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
532 tty.c_cflag &= ~(CSIZE|PARENB);
537 tcsetattr (0, TCSANOW, &tty);
538 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
541 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
542 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
544 signal(SIGXCPU, sigterm_handler);
548 /* read a key without blocking */
549 static int read_key(void)
561 n = select(1, &rfds, NULL, NULL, &tv);
576 static int decode_interrupt_cb(void)
578 return q_pressed || (q_pressed = read_key() == 'q');
581 static int ffmpeg_exit(int ret)
586 for(i=0;i<nb_output_files;i++) {
587 /* maybe av_close_output_file ??? */
588 AVFormatContext *s = output_files[i];
590 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
592 for(j=0;j<s->nb_streams;j++) {
593 av_metadata_free(&s->streams[j]->metadata);
594 av_free(s->streams[j]->codec);
595 av_free(s->streams[j]);
597 for(j=0;j<s->nb_programs;j++) {
598 av_metadata_free(&s->programs[j]->metadata);
600 for(j=0;j<s->nb_chapters;j++) {
601 av_metadata_free(&s->chapters[j]->metadata);
603 av_metadata_free(&s->metadata);
606 for(i=0;i<nb_input_files;i++)
607 av_close_input_file(input_files[i]);
609 av_free(intra_matrix);
610 av_free(inter_matrix);
614 av_free(vstats_filename);
618 av_free(video_codec_name);
619 av_free(audio_codec_name);
620 av_free(subtitle_codec_name);
622 av_free(video_standard);
624 for (i=0;i<AVMEDIA_TYPE_NB;i++)
625 av_free(avcodec_opts[i]);
626 av_free(avformat_opts);
630 allocated_audio_buf_size= allocated_audio_out_size= 0;
637 if (received_sigterm) {
639 "Received signal %d: terminating.\n",
640 (int) received_sigterm);
644 exit(ret); /* not all OS-es handle main() return value */
648 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
650 if(codec && codec->sample_fmts){
651 const enum SampleFormat *p= codec->sample_fmts;
653 if(*p == st->codec->sample_fmt)
657 st->codec->sample_fmt = codec->sample_fmts[0];
661 static void choose_sample_rate(AVStream *st, AVCodec *codec)
663 if(codec && codec->supported_samplerates){
664 const int *p= codec->supported_samplerates;
666 int best_dist=INT_MAX;
668 int dist= abs(st->codec->sample_rate - *p);
669 if(dist < best_dist){
675 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
677 st->codec->sample_rate= best;
681 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
683 if(codec && codec->pix_fmts){
684 const enum PixelFormat *p= codec->pix_fmts;
686 if(*p == st->codec->pix_fmt)
690 && !( st->codec->codec_id==CODEC_ID_MJPEG
691 && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
692 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
693 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
694 st->codec->pix_fmt = codec->pix_fmts[0];
698 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
704 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
707 /* copy stream format */
708 s->nb_streams = ic->nb_streams;
709 for(i=0;i<ic->nb_streams;i++) {
713 // FIXME: a more elegant solution is needed
714 st = av_mallocz(sizeof(AVStream));
715 memcpy(st, ic->streams[i], sizeof(AVStream));
716 st->codec = avcodec_alloc_context();
718 print_error(filename, AVERROR(ENOMEM));
721 avcodec_copy_context(st->codec, ic->streams[i]->codec);
724 codec = avcodec_find_encoder(st->codec->codec_id);
725 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
726 if (audio_stream_copy) {
729 choose_sample_fmt(st, codec);
730 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
731 if (video_stream_copy) {
734 choose_pixel_fmt(st, codec);
737 if(!st->codec->thread_count)
738 st->codec->thread_count = 1;
739 if(st->codec->thread_count>1)
740 avcodec_thread_init(st->codec, st->codec->thread_count);
742 if(st->codec->flags & CODEC_FLAG_BITEXACT)
747 s->timestamp = av_gettime();
749 av_close_input_file(ic);
754 get_sync_ipts(const AVOutputStream *ost)
756 const AVInputStream *ist = ost->sync_ist;
757 return (double)(ist->pts - start_time)/AV_TIME_BASE;
760 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
764 AVPacket new_pkt= *pkt;
765 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
766 &new_pkt.data, &new_pkt.size,
767 pkt->data, pkt->size,
768 pkt->flags & AV_PKT_FLAG_KEY);
771 new_pkt.destruct= av_destruct_packet;
773 fprintf(stderr, "%s failed for stream %d, codec %s",
774 bsfc->filter->name, pkt->stream_index,
775 avctx->codec ? avctx->codec->name : "copy");
785 ret= av_interleaved_write_frame(s, pkt);
787 print_error("av_interleaved_write_frame()", ret);
792 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
794 static void do_audio_out(AVFormatContext *s,
797 unsigned char *buf, int size)
800 int64_t audio_out_size, audio_buf_size;
801 int64_t allocated_for_size= size;
803 int size_out, frame_bytes, ret;
804 AVCodecContext *enc= ost->st->codec;
805 AVCodecContext *dec= ist->st->codec;
806 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
807 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
808 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
811 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
812 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
813 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
814 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
815 audio_buf_size*= osize*enc->channels;
817 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
818 if(coded_bps > 8*osize)
819 audio_out_size= audio_out_size * coded_bps / (8*osize);
820 audio_out_size += FF_MIN_BUFFER_SIZE;
822 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
823 fprintf(stderr, "Buffer sizes too large\n");
827 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
828 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
829 if (!audio_buf || !audio_out){
830 fprintf(stderr, "Out of memory in do_audio_out\n");
834 if (enc->channels != dec->channels)
835 ost->audio_resample = 1;
837 if (ost->audio_resample && !ost->resample) {
838 if (dec->sample_fmt != SAMPLE_FMT_S16)
839 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
840 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
841 enc->sample_rate, dec->sample_rate,
842 enc->sample_fmt, dec->sample_fmt,
844 if (!ost->resample) {
845 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
846 dec->channels, dec->sample_rate,
847 enc->channels, enc->sample_rate);
852 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
853 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
854 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
855 if (ost->reformat_ctx)
856 av_audio_convert_free(ost->reformat_ctx);
857 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
858 dec->sample_fmt, 1, NULL, 0);
859 if (!ost->reformat_ctx) {
860 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
861 avcodec_get_sample_fmt_name(dec->sample_fmt),
862 avcodec_get_sample_fmt_name(enc->sample_fmt));
865 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
868 if(audio_sync_method){
869 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
870 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
871 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
872 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
874 //FIXME resample delay
875 if(fabs(delta) > 50){
876 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
878 byte_delta= FFMAX(byte_delta, -size);
882 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
887 static uint8_t *input_tmp= NULL;
888 input_tmp= av_realloc(input_tmp, byte_delta + size);
890 if(byte_delta > allocated_for_size - size){
891 allocated_for_size= byte_delta + (int64_t)size;
896 memset(input_tmp, 0, byte_delta);
897 memcpy(input_tmp + byte_delta, buf, size);
901 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903 }else if(audio_sync_method>1){
904 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
905 assert(ost->audio_resample);
907 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
908 // 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));
909 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
913 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
914 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
916 if (ost->audio_resample) {
918 size_out = audio_resample(ost->resample,
919 (short *)buftmp, (short *)buf,
920 size / (ist->st->codec->channels * isize));
921 size_out = size_out * enc->channels * osize;
927 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
928 const void *ibuf[6]= {buftmp};
929 void *obuf[6]= {audio_buf};
930 int istride[6]= {isize};
931 int ostride[6]= {osize};
932 int len= size_out/istride[0];
933 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
934 printf("av_audio_convert() failed\n");
940 size_out = len*osize;
943 /* now encode as many frames as possible */
944 if (enc->frame_size > 1) {
945 /* output resampled raw samples */
946 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
947 fprintf(stderr, "av_fifo_realloc2() failed\n");
950 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
952 frame_bytes = enc->frame_size * osize * enc->channels;
954 while (av_fifo_size(ost->fifo) >= frame_bytes) {
956 av_init_packet(&pkt);
958 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
960 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
965 fprintf(stderr, "Audio encoding failed\n");
969 pkt.stream_index= ost->index;
972 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
973 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
974 pkt.flags |= AV_PKT_FLAG_KEY;
975 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
977 ost->sync_opts += enc->frame_size;
981 av_init_packet(&pkt);
983 ost->sync_opts += size_out / (osize * enc->channels);
985 /* output a pcm frame */
986 /* determine the size of the coded buffer */
989 size_out = size_out*coded_bps/8;
991 if(size_out > audio_out_size){
992 fprintf(stderr, "Internal error, buffer size too small\n");
996 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
997 ret = avcodec_encode_audio(enc, audio_out, size_out,
1000 fprintf(stderr, "Audio encoding failed\n");
1004 pkt.stream_index= ost->index;
1005 pkt.data= audio_out;
1007 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1008 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1009 pkt.flags |= AV_PKT_FLAG_KEY;
1010 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1014 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1016 AVCodecContext *dec;
1017 AVPicture *picture2;
1018 AVPicture picture_tmp;
1021 dec = ist->st->codec;
1023 /* deinterlace : must be done before any resize */
1024 if (do_deinterlace) {
1027 /* create temporary picture */
1028 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1029 buf = av_malloc(size);
1033 picture2 = &picture_tmp;
1034 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036 if(avpicture_deinterlace(picture2, picture,
1037 dec->pix_fmt, dec->width, dec->height) < 0) {
1038 /* if error, do not deinterlace */
1039 fprintf(stderr, "Deinterlacing failed\n");
1048 if (picture != picture2)
1049 *picture = *picture2;
1053 /* we begin to correct av delay at this threshold */
1054 #define AV_DELAY_MAX 0.100
1056 static void do_subtitle_out(AVFormatContext *s,
1057 AVOutputStream *ost,
1062 static uint8_t *subtitle_out = NULL;
1063 int subtitle_out_max_size = 1024 * 1024;
1064 int subtitle_out_size, nb, i;
1065 AVCodecContext *enc;
1068 if (pts == AV_NOPTS_VALUE) {
1069 fprintf(stderr, "Subtitle packets must have a pts\n");
1075 enc = ost->st->codec;
1077 if (!subtitle_out) {
1078 subtitle_out = av_malloc(subtitle_out_max_size);
1081 /* Note: DVB subtitle need one packet to draw them and one other
1082 packet to clear them */
1083 /* XXX: signal it in the codec context ? */
1084 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1089 for(i = 0; i < nb; i++) {
1090 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1091 // start_display_time is required to be 0
1092 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1093 sub->end_display_time -= sub->start_display_time;
1094 sub->start_display_time = 0;
1095 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1096 subtitle_out_max_size, sub);
1097 if (subtitle_out_size < 0) {
1098 fprintf(stderr, "Subtitle encoding failed\n");
1102 av_init_packet(&pkt);
1103 pkt.stream_index = ost->index;
1104 pkt.data = subtitle_out;
1105 pkt.size = subtitle_out_size;
1106 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1107 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1108 /* XXX: the pts correction is handled here. Maybe handling
1109 it in the codec would be better */
1111 pkt.pts += 90 * sub->start_display_time;
1113 pkt.pts += 90 * sub->end_display_time;
1115 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1119 static int bit_buffer_size= 1024*256;
1120 static uint8_t *bit_buffer= NULL;
1122 static void do_video_out(AVFormatContext *s,
1123 AVOutputStream *ost,
1125 AVFrame *in_picture,
1128 int nb_frames, i, ret;
1129 #if !CONFIG_AVFILTER
1130 int64_t topBand, bottomBand, leftBand, rightBand;
1132 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1133 AVFrame picture_crop_temp, picture_pad_temp;
1134 AVCodecContext *enc, *dec;
1137 avcodec_get_frame_defaults(&picture_crop_temp);
1138 avcodec_get_frame_defaults(&picture_pad_temp);
1140 enc = ost->st->codec;
1141 dec = ist->st->codec;
1143 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1145 /* by default, we output a single frame */
1150 if(video_sync_method){
1151 double vdelta = sync_ipts - ost->sync_opts;
1152 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1155 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1158 }else if(vdelta>0.6)
1159 ost->sync_opts= lrintf(sync_ipts);
1160 }else if (vdelta > 1.1)
1161 nb_frames = lrintf(vdelta);
1162 //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);
1163 if (nb_frames == 0){
1166 fprintf(stderr, "*** drop!\n");
1167 }else if (nb_frames > 1) {
1168 nb_frames_dup += nb_frames - 1;
1170 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1173 ost->sync_opts= lrintf(sync_ipts);
1175 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1180 formatted_picture = in_picture;
1182 if (ost->video_crop) {
1183 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1184 fprintf(stderr, "error cropping picture\n");
1189 formatted_picture = &picture_crop_temp;
1191 formatted_picture = in_picture;
1195 final_picture = formatted_picture;
1196 padding_src = formatted_picture;
1197 resampling_dst = &ost->pict_tmp;
1199 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1200 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1201 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1203 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1204 if(!ost->video_resample)
1208 #if !CONFIG_AVFILTER
1209 if (ost->video_resample) {
1211 final_picture = &ost->pict_tmp;
1212 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1213 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1214 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1216 /* keep bands proportional to the frame size */
1217 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1218 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1219 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1220 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1222 /* sanity check to ensure no bad band sizes sneak in */
1223 assert(topBand <= INT_MAX && topBand >= 0);
1224 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1225 assert(leftBand <= INT_MAX && leftBand >= 0);
1226 assert(rightBand <= INT_MAX && rightBand >= 0);
1228 ost->topBand = topBand;
1229 ost->bottomBand = bottomBand;
1230 ost->leftBand = leftBand;
1231 ost->rightBand = rightBand;
1233 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1234 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1235 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1237 /* initialize a new scaler context */
1238 sws_freeContext(ost->img_resample_ctx);
1239 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1240 ost->img_resample_ctx = sws_getContext(
1241 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1242 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1243 ist->st->codec->pix_fmt,
1244 ost->st->codec->width,
1245 ost->st->codec->height,
1246 ost->st->codec->pix_fmt,
1247 sws_flags, NULL, NULL, NULL);
1248 if (ost->img_resample_ctx == NULL) {
1249 fprintf(stderr, "Cannot get resampling context\n");
1253 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1254 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1258 /* duplicates frame if needed */
1259 for(i=0;i<nb_frames;i++) {
1261 av_init_packet(&pkt);
1262 pkt.stream_index= ost->index;
1264 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1265 /* raw pictures are written as AVPicture structure to
1266 avoid any copies. We support temorarily the older
1268 AVFrame* old_frame = enc->coded_frame;
1269 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1270 pkt.data= (uint8_t *)final_picture;
1271 pkt.size= sizeof(AVPicture);
1272 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1273 pkt.flags |= AV_PKT_FLAG_KEY;
1275 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1276 enc->coded_frame = old_frame;
1278 AVFrame big_picture;
1280 big_picture= *final_picture;
1281 /* better than nothing: use input picture interlaced
1283 big_picture.interlaced_frame = in_picture->interlaced_frame;
1284 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1285 if(top_field_first == -1)
1286 big_picture.top_field_first = in_picture->top_field_first;
1288 big_picture.top_field_first = top_field_first;
1291 /* handles sameq here. This is not correct because it may
1292 not be a global option */
1293 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1295 big_picture.pict_type = 0;
1296 // big_picture.pts = AV_NOPTS_VALUE;
1297 big_picture.pts= ost->sync_opts;
1298 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1299 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1300 ret = avcodec_encode_video(enc,
1301 bit_buffer, bit_buffer_size,
1304 fprintf(stderr, "Video encoding failed\n");
1309 pkt.data= bit_buffer;
1311 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1312 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1313 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1314 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1315 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1317 if(enc->coded_frame->key_frame)
1318 pkt.flags |= AV_PKT_FLAG_KEY;
1319 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1322 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1323 // enc->frame_number-1, ret, enc->pict_type);
1324 /* if two pass, output log */
1325 if (ost->logfile && enc->stats_out) {
1326 fprintf(ost->logfile, "%s", enc->stats_out);
1331 ost->frame_number++;
1335 static double psnr(double d){
1336 return -10.0*log(d)/log(10.0);
1339 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1342 AVCodecContext *enc;
1344 double ti1, bitrate, avg_bitrate;
1346 /* this is executed just the first time do_video_stats is called */
1348 vstats_file = fopen(vstats_filename, "w");
1355 enc = ost->st->codec;
1356 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1357 frame_number = ost->frame_number;
1358 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1359 if (enc->flags&CODEC_FLAG_PSNR)
1360 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1362 fprintf(vstats_file,"f_size= %6d ", frame_size);
1363 /* compute pts value */
1364 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1368 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1369 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1370 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1371 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1372 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1376 static void print_report(AVFormatContext **output_files,
1377 AVOutputStream **ost_table, int nb_ostreams,
1381 AVOutputStream *ost;
1382 AVFormatContext *oc;
1384 AVCodecContext *enc;
1385 int frame_number, vid, i;
1386 double bitrate, ti1, pts;
1387 static int64_t last_time = -1;
1388 static int qp_histogram[52];
1390 if (!is_last_report) {
1392 /* display the report every 0.5 seconds */
1393 cur_time = av_gettime();
1394 if (last_time == -1) {
1395 last_time = cur_time;
1398 if ((cur_time - last_time) < 500000)
1400 last_time = cur_time;
1404 oc = output_files[0];
1406 total_size = url_fsize(oc->pb);
1407 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1408 total_size= url_ftell(oc->pb);
1413 for(i=0;i<nb_ostreams;i++) {
1415 enc = ost->st->codec;
1416 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1418 !ost->st->stream_copy ?
1419 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1421 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1422 float t = (av_gettime()-timer_start) / 1000000.0;
1424 frame_number = ost->frame_number;
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1426 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1427 !ost->st->stream_copy ?
1428 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1433 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1434 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1439 if (enc->flags&CODEC_FLAG_PSNR){
1441 double error, error_sum=0;
1442 double scale, scale_sum=0;
1443 char type[3]= {'Y','U','V'};
1444 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1447 error= enc->error[j];
1448 scale= enc->width*enc->height*255.0*255.0*frame_number;
1450 error= enc->coded_frame->error[j];
1451 scale= enc->width*enc->height*255.0*255.0;
1456 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1458 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1462 /* compute min output value */
1463 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1464 if ((pts < ti1) && (pts > 0))
1470 if (verbose || is_last_report) {
1471 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1473 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1474 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1475 (double)total_size / 1024, ti1, bitrate);
1477 if (nb_frames_dup || nb_frames_drop)
1478 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1479 nb_frames_dup, nb_frames_drop);
1482 fprintf(stderr, "%s \r", buf);
1487 if (is_last_report && verbose >= 0){
1488 int64_t raw= audio_size + video_size + extra_size;
1489 fprintf(stderr, "\n");
1490 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1494 100.0*(total_size - raw)/raw
1499 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1500 static int output_packet(AVInputStream *ist, int ist_index,
1501 AVOutputStream **ost_table, int nb_ostreams,
1502 const AVPacket *pkt)
1504 AVFormatContext *os;
1505 AVOutputStream *ost;
1509 void *buffer_to_free;
1510 static unsigned int samples_size= 0;
1511 AVSubtitle subtitle, *subtitle_to_free;
1513 int frame_available;
1517 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1519 if(ist->next_pts == AV_NOPTS_VALUE)
1520 ist->next_pts= ist->pts;
1524 av_init_packet(&avpkt);
1532 if(pkt->dts != AV_NOPTS_VALUE)
1533 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1535 //while we have more to decode or while the decoder did output something on EOF
1536 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1537 uint8_t *data_buf, *decoded_data_buf;
1538 int data_size, decoded_data_size;
1540 ist->pts= ist->next_pts;
1542 if(avpkt.size && avpkt.size != pkt->size &&
1543 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1544 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1545 ist->showed_multi_packet_warning=1;
1548 /* decode the packet if needed */
1549 decoded_data_buf = NULL; /* fail safe */
1550 decoded_data_size= 0;
1551 data_buf = avpkt.data;
1552 data_size = avpkt.size;
1553 subtitle_to_free = NULL;
1554 if (ist->decoding_needed) {
1555 switch(ist->st->codec->codec_type) {
1556 case AVMEDIA_TYPE_AUDIO:{
1557 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1558 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1560 samples= av_malloc(samples_size);
1562 decoded_data_size= samples_size;
1563 /* XXX: could avoid copy if PCM 16 bits with same
1564 endianness as CPU */
1565 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1572 /* Some bug in mpeg audio decoder gives */
1573 /* decoded_data_size < 0, it seems they are overflows */
1574 if (decoded_data_size <= 0) {
1575 /* no audio frame */
1578 decoded_data_buf = (uint8_t *)samples;
1579 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1580 (ist->st->codec->sample_rate * ist->st->codec->channels);
1582 case AVMEDIA_TYPE_VIDEO:
1583 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1584 /* XXX: allocate picture correctly */
1585 avcodec_get_frame_defaults(&picture);
1587 ret = avcodec_decode_video2(ist->st->codec,
1588 &picture, &got_picture, &avpkt);
1589 ist->st->quality= picture.quality;
1593 /* no picture yet */
1594 goto discard_packet;
1596 if (ist->st->codec->time_base.num != 0) {
1597 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1598 ist->next_pts += ((int64_t)AV_TIME_BASE *
1599 ist->st->codec->time_base.num * ticks) /
1600 ist->st->codec->time_base.den;
1604 case AVMEDIA_TYPE_SUBTITLE:
1605 ret = avcodec_decode_subtitle2(ist->st->codec,
1606 &subtitle, &got_picture, &avpkt);
1610 goto discard_packet;
1612 subtitle_to_free = &subtitle;
1619 switch(ist->st->codec->codec_type) {
1620 case AVMEDIA_TYPE_AUDIO:
1621 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1622 ist->st->codec->sample_rate;
1624 case AVMEDIA_TYPE_VIDEO:
1625 if (ist->st->codec->time_base.num != 0) {
1626 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE *
1628 ist->st->codec->time_base.num * ticks) /
1629 ist->st->codec->time_base.den;
1637 buffer_to_free = NULL;
1638 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1639 pre_process_video_frame(ist, (AVPicture *)&picture,
1644 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1645 // add it to be filtered
1646 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1648 ist->st->codec->sample_aspect_ratio);
1652 // preprocess audio (volume)
1653 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1654 if (audio_volume != 256) {
1657 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1658 int v = ((*volp) * audio_volume + 128) >> 8;
1659 if (v < -32768) v = -32768;
1660 if (v > 32767) v = 32767;
1666 /* frame rate emulation */
1668 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1669 int64_t now = av_gettime() - ist->start;
1674 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1675 !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1677 /* if output time reached then transcode raw format,
1678 encode packets and output them */
1679 if (start_time == 0 || ist->pts >= start_time)
1681 while (frame_available) {
1682 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1683 get_filtered_video_pic(ist->output_video_filter, &ist->picref, &picture, &ist->pts);
1685 for(i=0;i<nb_ostreams;i++) {
1689 if (ost->source_index == ist_index) {
1690 os = output_files[ost->file_index];
1692 /* set the input output pts pairs */
1693 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1695 if (ost->encoding_needed) {
1696 assert(ist->decoding_needed);
1697 switch(ost->st->codec->codec_type) {
1698 case AVMEDIA_TYPE_AUDIO:
1699 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1701 case AVMEDIA_TYPE_VIDEO:
1703 if (ist->picref->video)
1704 ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1706 do_video_out(os, ost, ist, &picture, &frame_size);
1707 if (vstats_filename && frame_size)
1708 do_video_stats(os, ost, frame_size);
1710 case AVMEDIA_TYPE_SUBTITLE:
1711 do_subtitle_out(os, ost, ist, &subtitle,
1718 AVFrame avframe; //FIXME/XXX remove this
1720 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1722 av_init_packet(&opkt);
1724 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1727 /* no reencoding needed : output the packet directly */
1728 /* force the input stream PTS */
1730 avcodec_get_frame_defaults(&avframe);
1731 ost->st->codec->coded_frame= &avframe;
1732 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1734 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1735 audio_size += data_size;
1736 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1737 video_size += data_size;
1741 opkt.stream_index= ost->index;
1742 if(pkt->pts != AV_NOPTS_VALUE)
1743 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1745 opkt.pts= AV_NOPTS_VALUE;
1747 if (pkt->dts == AV_NOPTS_VALUE)
1748 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1750 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1751 opkt.dts -= ost_tb_start_time;
1753 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1754 opkt.flags= pkt->flags;
1756 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1757 if( ost->st->codec->codec_id != CODEC_ID_H264
1758 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1759 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1761 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1762 opkt.destruct= av_destruct_packet;
1764 opkt.data = data_buf;
1765 opkt.size = data_size;
1768 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1769 ost->st->codec->frame_number++;
1770 ost->frame_number++;
1771 av_free_packet(&opkt);
1777 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1778 ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1780 avfilter_unref_buffer(ist->picref);
1783 av_free(buffer_to_free);
1784 /* XXX: allocate the subtitles in the codec ? */
1785 if (subtitle_to_free) {
1786 if (subtitle_to_free->rects != NULL) {
1787 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1788 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1789 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1790 av_freep(&subtitle_to_free->rects[i]);
1792 av_freep(&subtitle_to_free->rects);
1794 subtitle_to_free->num_rects = 0;
1795 subtitle_to_free = NULL;
1802 for(i=0;i<nb_ostreams;i++) {
1804 if (ost->source_index == ist_index) {
1805 AVCodecContext *enc= ost->st->codec;
1806 os = output_files[ost->file_index];
1808 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1810 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1813 if (ost->encoding_needed) {
1817 av_init_packet(&pkt);
1818 pkt.stream_index= ost->index;
1820 switch(ost->st->codec->codec_type) {
1821 case AVMEDIA_TYPE_AUDIO:
1822 fifo_bytes = av_fifo_size(ost->fifo);
1824 /* encode any samples remaining in fifo */
1825 if (fifo_bytes > 0) {
1826 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1827 int fs_tmp = enc->frame_size;
1829 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1830 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1831 enc->frame_size = fifo_bytes / (osize * enc->channels);
1833 int frame_bytes = enc->frame_size*osize*enc->channels;
1834 if (allocated_audio_buf_size < frame_bytes)
1836 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1839 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1840 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1841 ost->st->time_base.num, enc->sample_rate);
1842 enc->frame_size = fs_tmp;
1845 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1848 fprintf(stderr, "Audio encoding failed\n");
1852 pkt.flags |= AV_PKT_FLAG_KEY;
1854 case AVMEDIA_TYPE_VIDEO:
1855 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1857 fprintf(stderr, "Video encoding failed\n");
1861 if(enc->coded_frame && enc->coded_frame->key_frame)
1862 pkt.flags |= AV_PKT_FLAG_KEY;
1863 if (ost->logfile && enc->stats_out) {
1864 fprintf(ost->logfile, "%s", enc->stats_out);
1873 pkt.data= bit_buffer;
1875 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1876 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1877 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1889 static void print_sdp(AVFormatContext **avc, int n)
1893 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1894 printf("SDP:\n%s\n", sdp);
1898 static int copy_chapters(int infile, int outfile)
1900 AVFormatContext *is = input_files[infile];
1901 AVFormatContext *os = output_files[outfile];
1904 for (i = 0; i < is->nb_chapters; i++) {
1905 AVChapter *in_ch = is->chapters[i], *out_ch;
1906 AVMetadataTag *t = NULL;
1907 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1908 AV_TIME_BASE_Q, in_ch->time_base);
1909 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1910 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1913 if (in_ch->end < ts_off)
1915 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1918 out_ch = av_mallocz(sizeof(AVChapter));
1920 return AVERROR(ENOMEM);
1922 out_ch->id = in_ch->id;
1923 out_ch->time_base = in_ch->time_base;
1924 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1925 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1927 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1928 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1931 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1933 return AVERROR(ENOMEM);
1934 os->chapters[os->nb_chapters - 1] = out_ch;
1940 * The following code is the main loop of the file converter
1942 static int transcode(AVFormatContext **output_files,
1943 int nb_output_files,
1944 AVFormatContext **input_files,
1946 AVStreamMap *stream_maps, int nb_stream_maps)
1948 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1949 AVFormatContext *is, *os;
1950 AVCodecContext *codec, *icodec;
1951 AVOutputStream *ost, **ost_table = NULL;
1952 AVInputStream *ist, **ist_table = NULL;
1953 AVInputFile *file_table;
1957 uint8_t no_packet[MAX_FILES]={0};
1958 int no_packet_count=0;
1960 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1964 /* input stream init */
1966 for(i=0;i<nb_input_files;i++) {
1967 is = input_files[i];
1968 file_table[i].ist_index = j;
1969 file_table[i].nb_streams = is->nb_streams;
1970 j += is->nb_streams;
1974 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1978 for(i=0;i<nb_istreams;i++) {
1979 ist = av_mallocz(sizeof(AVInputStream));
1985 for(i=0;i<nb_input_files;i++) {
1986 is = input_files[i];
1987 for(k=0;k<is->nb_streams;k++) {
1988 ist = ist_table[j++];
1989 ist->st = is->streams[k];
1990 ist->file_index = i;
1992 ist->discard = 1; /* the stream is discarded by default
1996 ist->start = av_gettime();
2001 /* output stream init */
2003 for(i=0;i<nb_output_files;i++) {
2004 os = output_files[i];
2005 if (!os->nb_streams) {
2006 dump_format(output_files[i], i, output_files[i]->filename, 1);
2007 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2008 ret = AVERROR(EINVAL);
2011 nb_ostreams += os->nb_streams;
2013 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2014 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2015 ret = AVERROR(EINVAL);
2019 /* Sanity check the mapping args -- do the input files & streams exist? */
2020 for(i=0;i<nb_stream_maps;i++) {
2021 int fi = stream_maps[i].file_index;
2022 int si = stream_maps[i].stream_index;
2024 if (fi < 0 || fi > nb_input_files - 1 ||
2025 si < 0 || si > file_table[fi].nb_streams - 1) {
2026 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2027 ret = AVERROR(EINVAL);
2030 fi = stream_maps[i].sync_file_index;
2031 si = stream_maps[i].sync_stream_index;
2032 if (fi < 0 || fi > nb_input_files - 1 ||
2033 si < 0 || si > file_table[fi].nb_streams - 1) {
2034 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2035 ret = AVERROR(EINVAL);
2040 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2043 for(i=0;i<nb_ostreams;i++) {
2044 ost = av_mallocz(sizeof(AVOutputStream));
2051 for(k=0;k<nb_output_files;k++) {
2052 os = output_files[k];
2053 for(i=0;i<os->nb_streams;i++,n++) {
2056 ost->file_index = k;
2058 ost->st = os->streams[i];
2059 if (nb_stream_maps > 0) {
2060 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2061 stream_maps[n].stream_index;
2063 /* Sanity check that the stream types match */
2064 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2065 int i= ost->file_index;
2066 dump_format(output_files[i], i, output_files[i]->filename, 1);
2067 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2068 stream_maps[n].file_index, stream_maps[n].stream_index,
2069 ost->file_index, ost->index);
2074 int best_nb_frames=-1;
2075 /* get corresponding input stream index : we select the first one with the right type */
2077 for(j=0;j<nb_istreams;j++) {
2082 AVFormatContext *f= input_files[ ist->file_index ];
2084 for(pi=0; pi<f->nb_programs; pi++){
2085 AVProgram *p= f->programs[pi];
2086 if(p->id == opt_programid)
2087 for(si=0; si<p->nb_stream_indexes; si++){
2088 if(f->streams[ p->stream_index[si] ] == ist->st)
2093 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2094 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2095 if(best_nb_frames < ist->st->codec_info_nb_frames){
2096 best_nb_frames= ist->st->codec_info_nb_frames;
2097 ost->source_index = j;
2104 if(! opt_programid) {
2105 /* try again and reuse existing stream */
2106 for(j=0;j<nb_istreams;j++) {
2108 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2109 && ist->st->discard != AVDISCARD_ALL) {
2110 ost->source_index = j;
2116 int i= ost->file_index;
2117 dump_format(output_files[i], i, output_files[i]->filename, 1);
2118 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2119 ost->file_index, ost->index);
2124 ist = ist_table[ost->source_index];
2126 ost->sync_ist = (nb_stream_maps > 0) ?
2127 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2128 stream_maps[n].sync_stream_index] : ist;
2132 /* for each output stream, we compute the right encoding parameters */
2133 for(i=0;i<nb_ostreams;i++) {
2134 AVMetadataTag *t = NULL;
2136 os = output_files[ost->file_index];
2137 ist = ist_table[ost->source_index];
2139 codec = ost->st->codec;
2140 icodec = ist->st->codec;
2142 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2143 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2146 ost->st->disposition = ist->st->disposition;
2147 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2148 codec->chroma_sample_location = icodec->chroma_sample_location;
2150 if (ost->st->stream_copy) {
2151 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2153 if (extra_size > INT_MAX)
2156 /* if stream_copy is selected, no need to decode or encode */
2157 codec->codec_id = icodec->codec_id;
2158 codec->codec_type = icodec->codec_type;
2160 if(!codec->codec_tag){
2161 if( !os->oformat->codec_tag
2162 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2163 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2164 codec->codec_tag = icodec->codec_tag;
2167 codec->bit_rate = icodec->bit_rate;
2168 codec->extradata= av_mallocz(extra_size);
2169 if (!codec->extradata)
2171 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2172 codec->extradata_size= icodec->extradata_size;
2173 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2174 codec->time_base = icodec->time_base;
2175 codec->time_base.num *= icodec->ticks_per_frame;
2176 av_reduce(&codec->time_base.num, &codec->time_base.den,
2177 codec->time_base.num, codec->time_base.den, INT_MAX);
2179 codec->time_base = ist->st->time_base;
2180 switch(codec->codec_type) {
2181 case AVMEDIA_TYPE_AUDIO:
2182 if(audio_volume != 256) {
2183 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2186 codec->channel_layout = icodec->channel_layout;
2187 codec->sample_rate = icodec->sample_rate;
2188 codec->channels = icodec->channels;
2189 codec->frame_size = icodec->frame_size;
2190 codec->block_align= icodec->block_align;
2191 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2192 codec->block_align= 0;
2193 if(codec->codec_id == CODEC_ID_AC3)
2194 codec->block_align= 0;
2196 case AVMEDIA_TYPE_VIDEO:
2197 codec->pix_fmt = icodec->pix_fmt;
2198 codec->width = icodec->width;
2199 codec->height = icodec->height;
2200 codec->has_b_frames = icodec->has_b_frames;
2202 case AVMEDIA_TYPE_SUBTITLE:
2203 codec->width = icodec->width;
2204 codec->height = icodec->height;
2210 switch(codec->codec_type) {
2211 case AVMEDIA_TYPE_AUDIO:
2212 ost->fifo= av_fifo_alloc(1024);
2215 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2216 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2217 icodec->request_channels = codec->channels;
2218 ist->decoding_needed = 1;
2219 ost->encoding_needed = 1;
2221 case AVMEDIA_TYPE_VIDEO:
2222 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2223 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2226 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2227 ost->video_resample = ((codec->width != icodec->width -
2228 (frame_leftBand + frame_rightBand)) ||
2229 (codec->height != icodec->height -
2230 (frame_topBand + frame_bottomBand)) ||
2231 (codec->pix_fmt != icodec->pix_fmt));
2232 if (ost->video_crop) {
2233 ost->topBand = ost->original_topBand = frame_topBand;
2234 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2235 ost->leftBand = ost->original_leftBand = frame_leftBand;
2236 ost->rightBand = ost->original_rightBand = frame_rightBand;
2238 if (ost->video_resample) {
2239 avcodec_get_frame_defaults(&ost->pict_tmp);
2240 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2241 codec->width, codec->height)) {
2242 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2245 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2246 ost->img_resample_ctx = sws_getContext(
2247 icodec->width - (frame_leftBand + frame_rightBand),
2248 icodec->height - (frame_topBand + frame_bottomBand),
2253 sws_flags, NULL, NULL, NULL);
2254 if (ost->img_resample_ctx == NULL) {
2255 fprintf(stderr, "Cannot get resampling context\n");
2259 #if !CONFIG_AVFILTER
2260 ost->original_height = icodec->height;
2261 ost->original_width = icodec->width;
2263 codec->bits_per_raw_sample= 0;
2265 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2266 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2267 ost->resample_pix_fmt= icodec->pix_fmt;
2268 ost->encoding_needed = 1;
2269 ist->decoding_needed = 1;
2272 if (configure_filters(ist, ost)) {
2273 fprintf(stderr, "Error opening filters!\n");
2278 case AVMEDIA_TYPE_SUBTITLE:
2279 ost->encoding_needed = 1;
2280 ist->decoding_needed = 1;
2287 if (ost->encoding_needed &&
2288 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2289 char logfilename[1024];
2292 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2293 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2295 if (codec->flags & CODEC_FLAG_PASS1) {
2296 f = fopen(logfilename, "wb");
2298 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2304 size_t logbuffer_size;
2305 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2306 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2309 codec->stats_in = logbuffer;
2313 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2314 int size= codec->width * codec->height;
2315 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2320 bit_buffer = av_malloc(bit_buffer_size);
2322 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2324 ret = AVERROR(ENOMEM);
2328 /* open each encoder */
2329 for(i=0;i<nb_ostreams;i++) {
2331 if (ost->encoding_needed) {
2332 AVCodec *codec = output_codecs[i];
2334 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2336 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2337 ost->st->codec->codec_id, ost->file_index, ost->index);
2338 ret = AVERROR(EINVAL);
2341 if (avcodec_open(ost->st->codec, codec) < 0) {
2342 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2343 ost->file_index, ost->index);
2344 ret = AVERROR(EINVAL);
2347 extra_size += ost->st->codec->extradata_size;
2351 /* open each decoder */
2352 for(i=0;i<nb_istreams;i++) {
2354 if (ist->decoding_needed) {
2355 AVCodec *codec = input_codecs[i];
2357 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2359 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2360 ist->st->codec->codec_id, ist->file_index, ist->index);
2361 ret = AVERROR(EINVAL);
2364 if (avcodec_open(ist->st->codec, codec) < 0) {
2365 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2366 ist->file_index, ist->index);
2367 ret = AVERROR(EINVAL);
2370 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2371 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2376 for(i=0;i<nb_istreams;i++) {
2380 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2381 ist->next_pts = AV_NOPTS_VALUE;
2385 /* set meta data information from input file if required */
2386 for (i=0;i<nb_meta_data_maps;i++) {
2387 AVFormatContext *out_file;
2388 AVFormatContext *in_file;
2389 AVMetadataTag *mtag;
2391 int out_file_index = meta_data_maps[i].out_file;
2392 int in_file_index = meta_data_maps[i].in_file;
2393 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2394 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2395 out_file_index, out_file_index, in_file_index);
2396 ret = AVERROR(EINVAL);
2399 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2400 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2401 in_file_index, out_file_index, in_file_index);
2402 ret = AVERROR(EINVAL);
2406 out_file = output_files[out_file_index];
2407 in_file = input_files[in_file_index];
2411 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2412 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2413 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2414 in_file->iformat->metadata_conv);
2417 /* copy chapters from the first input file that has them*/
2418 for (i = 0; i < nb_input_files; i++) {
2419 if (!input_files[i]->nb_chapters)
2422 for (j = 0; j < nb_output_files; j++)
2423 if ((ret = copy_chapters(i, j)) < 0)
2427 /* open files and write file headers */
2428 for(i=0;i<nb_output_files;i++) {
2429 os = output_files[i];
2430 if (av_write_header(os) < 0) {
2431 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2432 ret = AVERROR(EINVAL);
2435 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2441 /* dump the file output parameters - cannot be done before in case
2443 for(i=0;i<nb_output_files;i++) {
2444 dump_format(output_files[i], i, output_files[i]->filename, 1);
2447 /* dump the stream mapping */
2449 fprintf(stderr, "Stream mapping:\n");
2450 for(i=0;i<nb_ostreams;i++) {
2452 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2453 ist_table[ost->source_index]->file_index,
2454 ist_table[ost->source_index]->index,
2457 if (ost->sync_ist != ist_table[ost->source_index])
2458 fprintf(stderr, " [sync #%d.%d]",
2459 ost->sync_ist->file_index,
2460 ost->sync_ist->index);
2461 fprintf(stderr, "\n");
2466 fprintf(stderr, "%s\n", error);
2471 print_sdp(output_files, nb_output_files);
2474 if (!using_stdin && verbose >= 0) {
2475 fprintf(stderr, "Press [q] to stop encoding\n");
2476 url_set_interrupt_cb(decode_interrupt_cb);
2480 timer_start = av_gettime();
2482 for(; received_sigterm == 0;) {
2483 int file_index, ist_index;
2491 /* if 'q' pressed, exits */
2495 /* read_key() returns 0 on EOF */
2501 /* select the stream that we must read now by looking at the
2502 smallest output pts */
2504 for(i=0;i<nb_ostreams;i++) {
2507 os = output_files[ost->file_index];
2508 ist = ist_table[ost->source_index];
2509 if(ist->is_past_recording_time || no_packet[ist->file_index])
2511 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2512 ipts = (double)ist->pts;
2513 if (!file_table[ist->file_index].eof_reached){
2514 if(ipts < ipts_min) {
2516 if(input_sync ) file_index = ist->file_index;
2518 if(opts < opts_min) {
2520 if(!input_sync) file_index = ist->file_index;
2523 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2528 /* if none, if is finished */
2529 if (file_index < 0) {
2530 if(no_packet_count){
2532 memset(no_packet, 0, sizeof(no_packet));
2539 /* finish if limit size exhausted */
2540 if (limit_filesize != 0 && limit_filesize <= url_ftell(output_files[0]->pb))
2543 /* read a frame from it and output it in the fifo */
2544 is = input_files[file_index];
2545 ret= av_read_frame(is, &pkt);
2546 if(ret == AVERROR(EAGAIN)){
2547 no_packet[file_index]=1;
2552 file_table[file_index].eof_reached = 1;
2560 memset(no_packet, 0, sizeof(no_packet));
2563 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2565 /* the following test is needed in case new streams appear
2566 dynamically in stream : we ignore them */
2567 if (pkt.stream_index >= file_table[file_index].nb_streams)
2568 goto discard_packet;
2569 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2570 ist = ist_table[ist_index];
2572 goto discard_packet;
2574 if (pkt.dts != AV_NOPTS_VALUE)
2575 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2576 if (pkt.pts != AV_NOPTS_VALUE)
2577 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2579 if(input_files_ts_scale[file_index][pkt.stream_index]){
2580 if(pkt.pts != AV_NOPTS_VALUE)
2581 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2582 if(pkt.dts != AV_NOPTS_VALUE)
2583 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2586 // 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);
2587 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2588 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2589 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2590 int64_t delta= pkt_dts - ist->next_pts;
2591 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2592 input_files_ts_offset[ist->file_index]-= delta;
2594 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2595 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2596 if(pkt.pts != AV_NOPTS_VALUE)
2597 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2601 /* finish if recording time exhausted */
2602 if (recording_time != INT64_MAX &&
2603 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2604 ist->is_past_recording_time = 1;
2605 goto discard_packet;
2608 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2609 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2612 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2613 ist->file_index, ist->index);
2616 av_free_packet(&pkt);
2621 av_free_packet(&pkt);
2623 /* dump report by using the output first video and audio streams */
2624 print_report(output_files, ost_table, nb_ostreams, 0);
2627 /* at the end of stream, we must flush the decoder buffers */
2628 for(i=0;i<nb_istreams;i++) {
2630 if (ist->decoding_needed) {
2631 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2637 /* write the trailer if needed and close file */
2638 for(i=0;i<nb_output_files;i++) {
2639 os = output_files[i];
2640 av_write_trailer(os);
2643 /* dump report by using the first video and audio streams */
2644 print_report(output_files, ost_table, nb_ostreams, 1);
2646 /* close each encoder */
2647 for(i=0;i<nb_ostreams;i++) {
2649 if (ost->encoding_needed) {
2650 av_freep(&ost->st->codec->stats_in);
2651 avcodec_close(ost->st->codec);
2655 /* close each decoder */
2656 for(i=0;i<nb_istreams;i++) {
2658 if (ist->decoding_needed) {
2659 avcodec_close(ist->st->codec);
2664 avfilter_graph_destroy(graph);
2673 av_freep(&bit_buffer);
2674 av_free(file_table);
2677 for(i=0;i<nb_istreams;i++) {
2684 for(i=0;i<nb_ostreams;i++) {
2687 if (ost->st->stream_copy)
2688 av_freep(&ost->st->codec->extradata);
2690 fclose(ost->logfile);
2691 ost->logfile = NULL;
2693 av_fifo_free(ost->fifo); /* works even if fifo is not
2694 initialized but set to zero */
2695 av_free(ost->pict_tmp.data[0]);
2696 if (ost->video_resample)
2697 sws_freeContext(ost->img_resample_ctx);
2699 audio_resample_close(ost->resample);
2700 if (ost->reformat_ctx)
2701 av_audio_convert_free(ost->reformat_ctx);
2710 static void opt_format(const char *arg)
2712 /* compatibility stuff for pgmyuv */
2713 if (!strcmp(arg, "pgmyuv")) {
2714 pgmyuv_compatibility_hack=1;
2715 // opt_image_format(arg);
2717 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2720 last_asked_format = arg;
2723 static void opt_video_rc_override_string(const char *arg)
2725 video_rc_override_string = arg;
2728 static int opt_me_threshold(const char *opt, const char *arg)
2730 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2734 static int opt_verbose(const char *opt, const char *arg)
2736 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2740 static int opt_frame_rate(const char *opt, const char *arg)
2742 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2743 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2749 static int opt_bitrate(const char *opt, const char *arg)
2751 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2753 opt_default(opt, arg);
2755 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2756 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2761 static void opt_frame_crop_top(const char *arg)
2763 frame_topBand = atoi(arg);
2764 if (frame_topBand < 0) {
2765 fprintf(stderr, "Incorrect top crop size\n");
2768 if ((frame_topBand) >= frame_height){
2769 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2772 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2773 frame_height -= frame_topBand;
2776 static void opt_frame_crop_bottom(const char *arg)
2778 frame_bottomBand = atoi(arg);
2779 if (frame_bottomBand < 0) {
2780 fprintf(stderr, "Incorrect bottom crop size\n");
2783 if ((frame_bottomBand) >= frame_height){
2784 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2787 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2788 frame_height -= frame_bottomBand;
2791 static void opt_frame_crop_left(const char *arg)
2793 frame_leftBand = atoi(arg);
2794 if (frame_leftBand < 0) {
2795 fprintf(stderr, "Incorrect left crop size\n");
2798 if ((frame_leftBand) >= frame_width){
2799 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2802 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2803 frame_width -= frame_leftBand;
2806 static void opt_frame_crop_right(const char *arg)
2808 frame_rightBand = atoi(arg);
2809 if (frame_rightBand < 0) {
2810 fprintf(stderr, "Incorrect right crop size\n");
2813 if ((frame_rightBand) >= frame_width){
2814 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2817 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
2818 frame_width -= frame_rightBand;
2821 static void opt_frame_size(const char *arg)
2823 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2824 fprintf(stderr, "Incorrect frame size\n");
2829 static int opt_pad(const char *opt, const char *arg) {
2830 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2834 static void opt_frame_pix_fmt(const char *arg)
2836 if (strcmp(arg, "list")) {
2837 frame_pix_fmt = av_get_pix_fmt(arg);
2838 if (frame_pix_fmt == PIX_FMT_NONE) {
2839 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2848 static void opt_frame_aspect_ratio(const char *arg)
2855 p = strchr(arg, ':');
2857 x = strtol(arg, &end, 10);
2859 y = strtol(end+1, &end, 10);
2861 ar = (double)x / (double)y;
2863 ar = strtod(arg, NULL);
2866 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2869 frame_aspect_ratio = ar;
2872 static int opt_metadata(const char *opt, const char *arg)
2874 char *mid= strchr(arg, '=');
2877 fprintf(stderr, "Missing =\n");
2883 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2884 metadata[metadata_count-1].key = av_strdup(arg);
2885 metadata[metadata_count-1].value= av_strdup(mid);
2890 static void opt_qscale(const char *arg)
2892 video_qscale = atof(arg);
2893 if (video_qscale <= 0 ||
2894 video_qscale > 255) {
2895 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2900 static void opt_top_field_first(const char *arg)
2902 top_field_first= atoi(arg);
2905 static int opt_thread_count(const char *opt, const char *arg)
2907 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2910 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2915 static void opt_audio_sample_fmt(const char *arg)
2917 if (strcmp(arg, "list"))
2918 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2920 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2925 static int opt_audio_rate(const char *opt, const char *arg)
2927 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2931 static int opt_audio_channels(const char *opt, const char *arg)
2933 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2937 static void opt_video_channel(const char *arg)
2939 video_channel = strtol(arg, NULL, 0);
2942 static void opt_video_standard(const char *arg)
2944 video_standard = av_strdup(arg);
2947 static void opt_codec(int *pstream_copy, char **pcodec_name,
2948 int codec_type, const char *arg)
2950 av_freep(pcodec_name);
2951 if (!strcmp(arg, "copy")) {
2954 *pcodec_name = av_strdup(arg);
2958 static void opt_audio_codec(const char *arg)
2960 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2963 static void opt_audio_tag(const char *arg)
2966 audio_codec_tag= strtol(arg, &tail, 0);
2969 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2972 static void opt_video_tag(const char *arg)
2975 video_codec_tag= strtol(arg, &tail, 0);
2978 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2981 static void opt_video_codec(const char *arg)
2983 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2986 static void opt_subtitle_codec(const char *arg)
2988 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2991 static void opt_subtitle_tag(const char *arg)
2994 subtitle_codec_tag= strtol(arg, &tail, 0);
2997 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3000 static void opt_map(const char *arg)
3005 m = &stream_maps[nb_stream_maps++];
3007 m->file_index = strtol(arg, &p, 0);
3011 m->stream_index = strtol(p, &p, 0);
3014 m->sync_file_index = strtol(p, &p, 0);
3017 m->sync_stream_index = strtol(p, &p, 0);
3019 m->sync_file_index = m->file_index;
3020 m->sync_stream_index = m->stream_index;
3024 static void opt_map_meta_data(const char *arg)
3029 m = &meta_data_maps[nb_meta_data_maps++];
3031 m->out_file = strtol(arg, &p, 0);
3035 m->in_file = strtol(p, &p, 0);
3038 static void opt_input_ts_scale(const char *arg)
3040 unsigned int stream;
3044 stream = strtol(arg, &p, 0);
3047 scale= strtod(p, &p);
3049 if(stream >= MAX_STREAMS)
3052 input_files_ts_scale[nb_input_files][stream]= scale;
3055 static int opt_recording_time(const char *opt, const char *arg)
3057 recording_time = parse_time_or_die(opt, arg, 1);
3061 static int opt_start_time(const char *opt, const char *arg)
3063 start_time = parse_time_or_die(opt, arg, 1);
3067 static int opt_recording_timestamp(const char *opt, const char *arg)
3069 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3073 static int opt_input_ts_offset(const char *opt, const char *arg)
3075 input_ts_offset = parse_time_or_die(opt, arg, 1);
3079 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3081 const char *codec_string = encoder ? "encoder" : "decoder";
3085 return CODEC_ID_NONE;
3087 avcodec_find_encoder_by_name(name) :
3088 avcodec_find_decoder_by_name(name);
3090 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3093 if(codec->type != type) {
3094 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3097 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3098 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3099 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3100 "results.\nAdd '-strict experimental' if you want to use it.\n",
3101 codec_string, codec->name);
3103 avcodec_find_encoder(codec->id) :
3104 avcodec_find_decoder(codec->id);
3105 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3106 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3107 codec_string, codec->name);
3113 static void opt_input_file(const char *filename)
3115 AVFormatContext *ic;
3116 AVFormatParameters params, *ap = ¶ms;
3117 AVInputFormat *file_iformat = NULL;
3118 int err, i, ret, rfps, rfps_base;
3121 if (last_asked_format) {
3122 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3123 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3126 last_asked_format = NULL;
3129 if (!strcmp(filename, "-"))
3132 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3133 !strcmp(filename, "/dev/stdin");
3135 /* get default parameters from command line */
3136 ic = avformat_alloc_context();
3138 print_error(filename, AVERROR(ENOMEM));
3142 memset(ap, 0, sizeof(*ap));
3143 ap->prealloced_context = 1;
3144 ap->sample_rate = audio_sample_rate;
3145 ap->channels = audio_channels;
3146 ap->time_base.den = frame_rate.num;
3147 ap->time_base.num = frame_rate.den;
3148 ap->width = frame_width;
3149 ap->height = frame_height;
3150 ap->pix_fmt = frame_pix_fmt;
3151 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3152 ap->channel = video_channel;
3153 ap->standard = video_standard;
3155 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3157 ic->video_codec_id =
3158 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3159 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3160 ic->audio_codec_id =
3161 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3162 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3163 ic->subtitle_codec_id=
3164 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3165 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3166 ic->flags |= AVFMT_FLAG_NONBLOCK;
3168 if(pgmyuv_compatibility_hack)
3169 ic->video_codec_id= CODEC_ID_PGMYUV;
3171 /* open the input file with generic libav function */
3172 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3174 print_error(filename, err);
3180 for(i=0; i<ic->nb_streams; i++){
3181 ic->streams[i]->discard= AVDISCARD_ALL;
3183 for(i=0; i<ic->nb_programs; i++){
3184 AVProgram *p= ic->programs[i];
3185 if(p->id != opt_programid){
3186 p->discard = AVDISCARD_ALL;
3189 for(j=0; j<p->nb_stream_indexes; j++){
3190 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3195 fprintf(stderr, "Specified program id not found\n");
3201 ic->loop_input = loop_input;
3203 /* If not enough info to get the stream parameters, we decode the
3204 first frames to get it. (used in mpeg case for example) */
3205 ret = av_find_stream_info(ic);
3206 if (ret < 0 && verbose >= 0) {
3207 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3208 av_close_input_file(ic);
3212 timestamp = start_time;
3213 /* add the stream start time */
3214 if (ic->start_time != AV_NOPTS_VALUE)
3215 timestamp += ic->start_time;
3217 /* if seeking requested, we execute it */
3218 if (start_time != 0) {
3219 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3221 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3222 filename, (double)timestamp / AV_TIME_BASE);
3224 /* reset seek info */
3228 /* update the current parameters so that they match the one of the input stream */
3229 for(i=0;i<ic->nb_streams;i++) {
3230 AVStream *st = ic->streams[i];
3231 AVCodecContext *dec = st->codec;
3232 avcodec_thread_init(dec, thread_count);
3233 switch (dec->codec_type) {
3234 case AVMEDIA_TYPE_AUDIO:
3235 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3236 //fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
3237 channel_layout = dec->channel_layout;
3238 audio_channels = dec->channels;
3239 audio_sample_rate = dec->sample_rate;
3240 audio_sample_fmt = dec->sample_fmt;
3241 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3243 st->discard= AVDISCARD_ALL;
3245 case AVMEDIA_TYPE_VIDEO:
3246 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3247 frame_height = dec->height;
3248 frame_width = dec->width;
3249 if(ic->streams[i]->sample_aspect_ratio.num)
3250 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3252 frame_aspect_ratio=av_q2d(dec->sample_aspect_ratio);
3253 frame_aspect_ratio *= (float) dec->width / dec->height;
3254 frame_pix_fmt = dec->pix_fmt;
3255 rfps = ic->streams[i]->r_frame_rate.num;
3256 rfps_base = ic->streams[i]->r_frame_rate.den;
3258 dec->flags |= CODEC_FLAG_EMU_EDGE;
3259 frame_height >>= dec->lowres;
3260 frame_width >>= dec->lowres;
3263 dec->debug |= FF_DEBUG_MV;
3265 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3268 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3269 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3271 (float)rfps / rfps_base, rfps, rfps_base);
3273 /* update the current frame rate to match the stream frame rate */
3274 frame_rate.num = rfps;
3275 frame_rate.den = rfps_base;
3277 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3279 st->discard= AVDISCARD_ALL;
3280 else if(video_discard)
3281 st->discard= video_discard;
3283 case AVMEDIA_TYPE_DATA:
3285 case AVMEDIA_TYPE_SUBTITLE:
3286 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3287 if(subtitle_disable)
3288 st->discard = AVDISCARD_ALL;
3290 case AVMEDIA_TYPE_ATTACHMENT:
3291 case AVMEDIA_TYPE_UNKNOWN:
3299 input_files[nb_input_files] = ic;
3300 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3301 /* dump the file content */
3303 dump_format(ic, nb_input_files, filename, 0);
3309 av_freep(&video_codec_name);
3310 av_freep(&audio_codec_name);
3311 av_freep(&subtitle_codec_name);
3314 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3315 int *has_subtitle_ptr)
3317 int has_video, has_audio, has_subtitle, i, j;
3318 AVFormatContext *ic;
3323 for(j=0;j<nb_input_files;j++) {
3324 ic = input_files[j];
3325 for(i=0;i<ic->nb_streams;i++) {
3326 AVCodecContext *enc = ic->streams[i]->codec;
3327 switch(enc->codec_type) {
3328 case AVMEDIA_TYPE_AUDIO:
3331 case AVMEDIA_TYPE_VIDEO:
3334 case AVMEDIA_TYPE_SUBTITLE:
3337 case AVMEDIA_TYPE_DATA:
3338 case AVMEDIA_TYPE_ATTACHMENT:
3339 case AVMEDIA_TYPE_UNKNOWN:
3346 *has_video_ptr = has_video;
3347 *has_audio_ptr = has_audio;
3348 *has_subtitle_ptr = has_subtitle;
3351 static void new_video_stream(AVFormatContext *oc)
3354 AVCodecContext *video_enc;
3355 enum CodecID codec_id;
3357 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3359 fprintf(stderr, "Could not alloc stream\n");
3362 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3363 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3364 video_bitstream_filters= NULL;
3366 avcodec_thread_init(st->codec, thread_count);
3368 video_enc = st->codec;
3371 video_enc->codec_tag= video_codec_tag;
3373 if( (video_global_header&1)
3374 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3375 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3376 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3378 if(video_global_header&2){
3379 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3380 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3383 if (video_stream_copy) {
3384 st->stream_copy = 1;
3385 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3386 video_enc->sample_aspect_ratio =
3387 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3392 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3394 if (video_codec_name) {
3395 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3396 video_enc->strict_std_compliance);
3397 codec = avcodec_find_encoder_by_name(video_codec_name);
3398 output_codecs[nb_ocodecs] = codec;
3400 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3401 codec = avcodec_find_encoder(codec_id);
3404 video_enc->codec_id = codec_id;
3406 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3408 if (codec && codec->supported_framerates && !force_fps)
3409 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3410 video_enc->time_base.den = fps.num;
3411 video_enc->time_base.num = fps.den;
3413 video_enc->width = frame_width;
3414 video_enc->height = frame_height;
3415 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3416 video_enc->pix_fmt = frame_pix_fmt;
3417 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3419 choose_pixel_fmt(st, codec);
3422 video_enc->gop_size = 0;
3423 if (video_qscale || same_quality) {
3424 video_enc->flags |= CODEC_FLAG_QSCALE;
3425 video_enc->global_quality=
3426 st->quality = FF_QP2LAMBDA * video_qscale;
3430 video_enc->intra_matrix = intra_matrix;
3432 video_enc->inter_matrix = inter_matrix;
3434 p= video_rc_override_string;
3437 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3439 fprintf(stderr, "error parsing rc_override\n");
3442 video_enc->rc_override=
3443 av_realloc(video_enc->rc_override,
3444 sizeof(RcOverride)*(i+1));
3445 video_enc->rc_override[i].start_frame= start;
3446 video_enc->rc_override[i].end_frame = end;
3448 video_enc->rc_override[i].qscale= q;
3449 video_enc->rc_override[i].quality_factor= 1.0;
3452 video_enc->rc_override[i].qscale= 0;
3453 video_enc->rc_override[i].quality_factor= -q/100.0;
3458 video_enc->rc_override_count=i;
3459 if (!video_enc->rc_initial_buffer_occupancy)
3460 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3461 video_enc->me_threshold= me_threshold;
3462 video_enc->intra_dc_precision= intra_dc_precision - 8;
3465 video_enc->flags|= CODEC_FLAG_PSNR;
3470 video_enc->flags |= CODEC_FLAG_PASS1;
3472 video_enc->flags |= CODEC_FLAG_PASS2;
3477 if (video_language) {
3478 av_metadata_set2(&st->metadata, "language", video_language, 0);
3479 av_freep(&video_language);
3482 /* reset some key parameters */
3484 av_freep(&video_codec_name);
3485 video_stream_copy = 0;
3486 frame_pix_fmt = PIX_FMT_NONE;
3489 static void new_audio_stream(AVFormatContext *oc)
3492 AVCodecContext *audio_enc;
3493 enum CodecID codec_id;
3495 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3497 fprintf(stderr, "Could not alloc stream\n");
3500 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3502 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3503 audio_bitstream_filters= NULL;
3505 avcodec_thread_init(st->codec, thread_count);
3507 audio_enc = st->codec;
3508 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3511 audio_enc->codec_tag= audio_codec_tag;
3513 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3514 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3515 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3517 if (audio_stream_copy) {
3518 st->stream_copy = 1;
3519 audio_enc->channels = audio_channels;
3520 audio_enc->sample_rate = audio_sample_rate;
3524 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3526 if (audio_codec_name) {
3527 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3528 audio_enc->strict_std_compliance);
3529 codec = avcodec_find_encoder_by_name(audio_codec_name);
3530 output_codecs[nb_ocodecs] = codec;
3532 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3533 codec = avcodec_find_encoder(codec_id);
3535 audio_enc->codec_id = codec_id;
3537 if (audio_qscale > QSCALE_NONE) {
3538 audio_enc->flags |= CODEC_FLAG_QSCALE;
3539 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3541 audio_enc->channels = audio_channels;
3542 audio_enc->sample_fmt = audio_sample_fmt;
3543 audio_enc->sample_rate = audio_sample_rate;
3544 audio_enc->channel_layout = channel_layout;
3545 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3546 audio_enc->channel_layout = 0;
3547 choose_sample_fmt(st, codec);
3548 choose_sample_rate(st, codec);
3551 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3552 if (audio_language) {
3553 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3554 av_freep(&audio_language);
3557 /* reset some key parameters */
3559 av_freep(&audio_codec_name);
3560 audio_stream_copy = 0;
3563 static void new_subtitle_stream(AVFormatContext *oc)
3566 AVCodecContext *subtitle_enc;
3568 st = av_new_stream(oc, streamid_map[oc->nb_streams]);
3570 fprintf(stderr, "Could not alloc stream\n");
3573 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3575 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3576 subtitle_bitstream_filters= NULL;
3578 subtitle_enc = st->codec;
3579 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3581 if(subtitle_codec_tag)
3582 subtitle_enc->codec_tag= subtitle_codec_tag;
3584 if (subtitle_stream_copy) {
3585 st->stream_copy = 1;
3587 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3588 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3589 subtitle_enc->strict_std_compliance);
3590 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3594 if (subtitle_language) {
3595 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3596 av_freep(&subtitle_language);
3599 subtitle_disable = 0;
3600 av_freep(&subtitle_codec_name);
3601 subtitle_stream_copy = 0;
3604 static void opt_new_audio_stream(void)
3606 AVFormatContext *oc;
3607 if (nb_output_files <= 0) {
3608 fprintf(stderr, "At least one output file must be specified\n");
3611 oc = output_files[nb_output_files - 1];
3612 new_audio_stream(oc);
3615 static void opt_new_video_stream(void)
3617 AVFormatContext *oc;
3618 if (nb_output_files <= 0) {
3619 fprintf(stderr, "At least one output file must be specified\n");
3622 oc = output_files[nb_output_files - 1];
3623 new_video_stream(oc);
3626 static void opt_new_subtitle_stream(void)
3628 AVFormatContext *oc;
3629 if (nb_output_files <= 0) {
3630 fprintf(stderr, "At least one output file must be specified\n");
3633 oc = output_files[nb_output_files - 1];
3634 new_subtitle_stream(oc);
3637 /* arg format is "output-stream-index:streamid-value". */
3638 static void opt_streamid(const char *opt, const char *arg)
3644 strncpy(idx_str, arg, sizeof(idx_str));
3645 idx_str[sizeof(idx_str)-1] = '\0';
3646 p = strchr(idx_str, ':');
3649 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3654 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3655 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3658 static void opt_output_file(const char *filename)
3660 AVFormatContext *oc;
3661 int err, use_video, use_audio, use_subtitle;
3662 int input_has_video, input_has_audio, input_has_subtitle;
3663 AVFormatParameters params, *ap = ¶ms;
3664 AVOutputFormat *file_oformat;
3666 if (!strcmp(filename, "-"))
3669 oc = avformat_alloc_context();
3671 print_error(filename, AVERROR(ENOMEM));
3675 if (last_asked_format) {
3676 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3677 if (!file_oformat) {
3678 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3681 last_asked_format = NULL;
3683 file_oformat = av_guess_format(NULL, filename, NULL);
3684 if (!file_oformat) {
3685 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3691 oc->oformat = file_oformat;
3692 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3694 if (!strcmp(file_oformat->name, "ffm") &&
3695 av_strstart(filename, "http:", NULL)) {
3696 /* special case for files sent to ffserver: we get the stream
3697 parameters from ffserver */
3698 int err = read_ffserver_streams(oc, filename);
3700 print_error(filename, err);
3704 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3705 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3706 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3708 /* disable if no corresponding type found and at least one
3710 if (nb_input_files > 0) {
3711 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3712 &input_has_subtitle);
3713 if (!input_has_video)
3715 if (!input_has_audio)
3717 if (!input_has_subtitle)
3721 /* manual disable */
3722 if (audio_disable) {
3725 if (video_disable) {
3728 if (subtitle_disable) {
3733 new_video_stream(oc);
3737 new_audio_stream(oc);
3741 new_subtitle_stream(oc);
3744 oc->timestamp = recording_timestamp;
3746 for(; metadata_count>0; metadata_count--){
3747 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
3748 metadata[metadata_count-1].value, 0);
3750 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3753 output_files[nb_output_files++] = oc;
3755 /* check filename in case of an image number is expected */
3756 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3757 if (!av_filename_number_test(oc->filename)) {
3758 print_error(oc->filename, AVERROR_NUMEXPECTED);
3763 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3764 /* test if it already exists to avoid loosing precious files */
3765 if (!file_overwrite &&
3766 (strchr(filename, ':') == NULL ||
3767 filename[1] == ':' ||
3768 av_strstart(filename, "file:", NULL))) {
3769 if (url_exist(filename)) {
3771 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3773 if (!read_yesno()) {
3774 fprintf(stderr, "Not overwriting - exiting\n");
3779 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3786 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
3787 print_error(filename, err);
3792 memset(ap, 0, sizeof(*ap));
3793 if (av_set_parameters(oc, ap) < 0) {
3794 fprintf(stderr, "%s: Invalid encoding parameters\n",
3799 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3800 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3801 oc->loop_output = loop_output;
3802 oc->flags |= AVFMT_FLAG_NONBLOCK;
3804 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3806 memset(streamid_map, 0, sizeof(streamid_map));
3809 /* same option as mencoder */
3810 static void opt_pass(const char *pass_str)
3813 pass = atoi(pass_str);
3814 if (pass != 1 && pass != 2) {
3815 fprintf(stderr, "pass number can be only 1 or 2\n");
3821 static int64_t getutime(void)
3824 struct rusage rusage;
3826 getrusage(RUSAGE_SELF, &rusage);
3827 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3828 #elif HAVE_GETPROCESSTIMES
3830 FILETIME c, e, k, u;
3831 proc = GetCurrentProcess();
3832 GetProcessTimes(proc, &c, &e, &k, &u);
3833 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3835 return av_gettime();
3839 static int64_t getmaxrss(void)
3841 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3842 struct rusage rusage;
3843 getrusage(RUSAGE_SELF, &rusage);
3844 return (int64_t)rusage.ru_maxrss * 1024;
3845 #elif HAVE_GETPROCESSMEMORYINFO
3847 PROCESS_MEMORY_COUNTERS memcounters;
3848 proc = GetCurrentProcess();
3849 memcounters.cb = sizeof(memcounters);
3850 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3851 return memcounters.PeakPagefileUsage;
3857 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3860 const char *p = str;
3867 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3874 static void opt_inter_matrix(const char *arg)
3876 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3877 parse_matrix_coeffs(inter_matrix, arg);
3880 static void opt_intra_matrix(const char *arg)
3882 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3883 parse_matrix_coeffs(intra_matrix, arg);
3887 * Trivial log callback.
3888 * Only suitable for show_help and similar since it lacks prefix handling.
3890 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3892 vfprintf(stdout, fmt, vl);
3895 static void show_usage(void)
3897 printf("Hyper fast Audio and Video encoder\n");
3898 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3902 static void show_help(void)
3904 av_log_set_callback(log_callback_help);
3906 show_help_options(options, "Main options:\n",
3907 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3908 show_help_options(options, "\nAdvanced options:\n",
3909 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3911 show_help_options(options, "\nVideo options:\n",
3912 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3914 show_help_options(options, "\nAdvanced Video options:\n",
3915 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3916 OPT_VIDEO | OPT_EXPERT);
3917 show_help_options(options, "\nAudio options:\n",
3918 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3920 show_help_options(options, "\nAdvanced Audio options:\n",
3921 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3922 OPT_AUDIO | OPT_EXPERT);
3923 show_help_options(options, "\nSubtitle options:\n",
3924 OPT_SUBTITLE | OPT_GRAB,
3926 show_help_options(options, "\nAudio/Video grab options:\n",
3930 av_opt_show(avcodec_opts[0], NULL);
3932 av_opt_show(avformat_opts, NULL);
3934 av_opt_show(sws_opts, NULL);
3937 static void opt_target(const char *arg)
3939 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3940 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3942 if(!strncmp(arg, "pal-", 4)) {
3945 } else if(!strncmp(arg, "ntsc-", 5)) {
3948 } else if(!strncmp(arg, "film-", 5)) {
3953 /* Calculate FR via float to avoid int overflow */
3954 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3957 } else if((fr == 29970) || (fr == 23976)) {
3960 /* Try to determine PAL/NTSC by peeking in the input files */
3961 if(nb_input_files) {
3963 for(j = 0; j < nb_input_files; j++) {
3964 for(i = 0; i < input_files[j]->nb_streams; i++) {
3965 AVCodecContext *c = input_files[j]->streams[i]->codec;
3966 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3968 fr = c->time_base.den * 1000 / c->time_base.num;
3972 } else if((fr == 29970) || (fr == 23976)) {
3982 if(verbose && norm != UNKNOWN)
3983 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3986 if(norm == UNKNOWN) {
3987 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3988 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3989 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3993 if(!strcmp(arg, "vcd")) {
3995 opt_video_codec("mpeg1video");
3996 opt_audio_codec("mp2");
3999 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4000 opt_frame_rate(NULL, frame_rates[norm]);
4001 opt_default("g", norm == PAL ? "15" : "18");
4003 opt_default("b", "1150000");
4004 opt_default("maxrate", "1150000");
4005 opt_default("minrate", "1150000");
4006 opt_default("bufsize", "327680"); // 40*1024*8;
4008 opt_default("ab", "224000");
4009 audio_sample_rate = 44100;
4012 opt_default("packetsize", "2324");
4013 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4015 /* We have to offset the PTS, so that it is consistent with the SCR.
4016 SCR starts at 36000, but the first two packs contain only padding
4017 and the first pack from the other stream, respectively, may also have
4018 been written before.
4019 So the real data starts at SCR 36000+3*1200. */
4020 mux_preload= (36000+3*1200) / 90000.0; //0.44
4021 } else if(!strcmp(arg, "svcd")) {
4023 opt_video_codec("mpeg2video");
4024 opt_audio_codec("mp2");
4027 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4028 opt_frame_rate(NULL, frame_rates[norm]);
4029 opt_default("g", norm == PAL ? "15" : "18");
4031 opt_default("b", "2040000");
4032 opt_default("maxrate", "2516000");
4033 opt_default("minrate", "0"); //1145000;
4034 opt_default("bufsize", "1835008"); //224*1024*8;
4035 opt_default("flags", "+scan_offset");
4038 opt_default("ab", "224000");
4039 audio_sample_rate = 44100;
4041 opt_default("packetsize", "2324");
4043 } else if(!strcmp(arg, "dvd")) {
4045 opt_video_codec("mpeg2video");
4046 opt_audio_codec("ac3");
4049 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4050 opt_frame_rate(NULL, frame_rates[norm]);
4051 opt_default("g", norm == PAL ? "15" : "18");
4053 opt_default("b", "6000000");
4054 opt_default("maxrate", "9000000");
4055 opt_default("minrate", "0"); //1500000;
4056 opt_default("bufsize", "1835008"); //224*1024*8;
4058 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4059 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4061 opt_default("ab", "448000");
4062 audio_sample_rate = 48000;
4064 } else if(!strncmp(arg, "dv", 2)) {
4068 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4069 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4070 (norm == PAL ? "yuv420p" : "yuv411p"));
4071 opt_frame_rate(NULL, frame_rates[norm]);
4073 audio_sample_rate = 48000;
4077 fprintf(stderr, "Unknown target: %s\n", arg);
4082 static void opt_vstats_file (const char *arg)
4084 av_free (vstats_filename);
4085 vstats_filename=av_strdup (arg);
4088 static void opt_vstats (void)
4091 time_t today2 = time(NULL);
4092 struct tm *today = localtime(&today2);
4094 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4096 opt_vstats_file(filename);
4099 static int opt_bsf(const char *opt, const char *arg)
4101 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4102 AVBitStreamFilterContext **bsfp;
4105 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4109 bsfp= *opt == 'v' ? &video_bitstream_filters :
4110 *opt == 'a' ? &audio_bitstream_filters :
4111 &subtitle_bitstream_filters;
4113 bsfp= &(*bsfp)->next;
4120 static int opt_preset(const char *opt, const char *arg)
4123 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4125 const char *base[3]= { getenv("FFMPEG_DATADIR"),
4131 for(i=0; i<3 && !f; i++){
4134 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
4135 f= fopen(filename, "r");
4137 char *codec_name= *opt == 'v' ? video_codec_name :
4138 *opt == 'a' ? audio_codec_name :
4139 subtitle_codec_name;
4140 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
4141 f= fopen(filename, "r");
4145 av_strlcpy(filename, arg, sizeof(filename));
4146 f= fopen(filename, "r");
4150 fprintf(stderr, "File for preset '%s' not found\n", arg);
4155 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4156 if(line[0] == '#' && !e)
4158 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4160 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4163 if(!strcmp(tmp, "acodec")){
4164 opt_audio_codec(tmp2);
4165 }else if(!strcmp(tmp, "vcodec")){
4166 opt_video_codec(tmp2);
4167 }else if(!strcmp(tmp, "scodec")){
4168 opt_subtitle_codec(tmp2);
4169 }else if(opt_default(tmp, tmp2) < 0){
4170 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4180 static const OptionDef options[] = {
4182 #include "cmdutils_common_opts.h"
4183 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4184 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4185 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4186 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4187 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4188 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4189 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4190 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4191 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4192 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4193 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4194 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4195 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4196 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4197 "add timings for benchmarking" },
4198 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4199 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4200 "dump each input packet" },
4201 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4202 "when dumping packets, also dump the payload" },
4203 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4204 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4205 { "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)", "" },
4206 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4207 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4208 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4209 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4210 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4211 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4212 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4213 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4214 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4215 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4216 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4217 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4218 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4221 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4222 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4223 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4224 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4225 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4226 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4227 { "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" },
4228 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "Deprecated, please use the crop avfilter", "size" },
4229 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "Deprecated, please use the crop avfilter", "size" },
4230 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "Deprecated, please use the crop avfilter", "size" },
4231 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "Deprecated, please use the crop avfilter", "size" },
4232 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4233 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4234 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4235 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4236 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4237 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4238 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4239 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4240 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4241 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4242 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4243 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4244 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4245 "use same video quality as source (implies VBR)" },
4246 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4247 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4248 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4249 "deinterlace pictures" },
4250 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4251 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4252 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4254 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4256 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4257 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4258 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4259 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4260 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4261 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4262 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4263 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4264 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4265 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4268 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4269 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4270 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4271 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4272 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4273 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4274 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4275 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4276 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4277 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4278 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4279 { "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" },
4281 /* subtitle options */
4282 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4283 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4284 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4285 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4286 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4289 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4290 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4291 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4294 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4295 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4297 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4298 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4299 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4301 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4302 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4303 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4304 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4306 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4310 int main(int argc, char **argv)
4315 avcodec_register_all();
4317 avdevice_register_all();
4320 avfilter_register_all();
4325 if(isatty(STDIN_FILENO))
4326 url_set_interrupt_cb(decode_interrupt_cb);
4329 for(i=0; i<AVMEDIA_TYPE_NB; i++){
4330 avcodec_opts[i]= avcodec_alloc_context2(i);
4332 avformat_opts = avformat_alloc_context();
4333 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4338 parse_options(argc, argv, options, opt_output_file);
4340 if(nb_output_files <= 0 && nb_input_files == 0) {
4342 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4346 /* file converter / grab */
4347 if (nb_output_files <= 0) {
4348 fprintf(stderr, "At least one output file must be specified\n");
4352 if (nb_input_files == 0) {
4353 fprintf(stderr, "At least one input file must be specified\n");
4358 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4359 stream_maps, nb_stream_maps) < 0)
4361 ti = getutime() - ti;
4363 int maxrss = getmaxrss() / 1024;
4364 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4367 return ffmpeg_exit(0);