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 "libavutil/audioconvert.h"
40 #include "libavutil/parseutils.h"
41 #include "libavutil/samplefmt.h"
42 #include "libavutil/colorspace.h"
43 #include "libavutil/fifo.h"
44 #include "libavutil/intreadwrite.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/avstring.h"
47 #include "libavutil/libm.h"
48 #include "libavformat/os_support.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/avfiltergraph.h"
53 # include "libavfilter/vsrc_buffer.h"
56 #if HAVE_SYS_RESOURCE_H
57 #include <sys/types.h>
59 #include <sys/resource.h>
60 #elif HAVE_GETPROCESSTIMES
63 #if HAVE_GETPROCESSMEMORYINFO
69 #include <sys/select.h>
74 #include <sys/ioctl.h>
84 #include "libavutil/avassert.h"
86 const char program_name[] = "FFmpeg";
87 const int program_birth_year = 2000;
89 /* select an input stream for an output stream */
90 typedef struct AVStreamMap {
94 int sync_stream_index;
98 * select an input file for an output file
100 typedef struct AVMetaDataMap {
101 int file; //< file index
102 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
103 int index; //< stream/chapter/program number
106 typedef struct AVChapterMap {
111 static const OptionDef options[];
113 #define MAX_FILES 100
114 #if !FF_API_MAX_STREAMS
115 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
118 static const char *last_asked_format = NULL;
119 static AVFormatContext *input_files[MAX_FILES];
120 static int64_t input_files_ts_offset[MAX_FILES];
121 static double *input_files_ts_scale[MAX_FILES] = {NULL};
122 static AVCodec **input_codecs = NULL;
123 static int nb_input_files = 0;
124 static int nb_input_codecs = 0;
125 static int nb_input_files_ts_scale[MAX_FILES] = {0};
127 static AVFormatContext *output_files[MAX_FILES];
128 static AVCodec **output_codecs = NULL;
129 static int nb_output_files = 0;
130 static int nb_output_codecs = 0;
132 static AVStreamMap *stream_maps = NULL;
133 static int nb_stream_maps;
135 /* first item specifies output metadata, second is input */
136 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
137 static int nb_meta_data_maps;
138 static int metadata_global_autocopy = 1;
139 static int metadata_streams_autocopy = 1;
140 static int metadata_chapters_autocopy = 1;
142 static AVChapterMap *chapter_maps = NULL;
143 static int nb_chapter_maps;
145 /* indexed by output file stream index */
146 static int *streamid_map = NULL;
147 static int nb_streamid_map = 0;
149 static int frame_width = 0;
150 static int frame_height = 0;
151 static float frame_aspect_ratio = 0;
152 static int frame_aspect_ratio_override = 0;
153 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
154 static int frame_bits_per_raw_sample = 0;
155 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
156 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
157 static AVRational frame_rate;
158 static float video_qscale = 0;
159 static uint16_t *intra_matrix = NULL;
160 static uint16_t *inter_matrix = NULL;
161 static const char *video_rc_override_string=NULL;
162 static int video_disable = 0;
163 static int video_discard = 0;
164 static char *video_codec_name = NULL;
165 static unsigned int video_codec_tag = 0;
166 static char *video_language = NULL;
167 static int same_quality = 0;
168 static int do_deinterlace = 0;
169 static int top_field_first = -1;
170 static int me_threshold = 0;
171 static int intra_dc_precision = 8;
172 static int loop_input = 0;
173 static int loop_output = AVFMT_NOOUTPUTLOOP;
174 static int qp_hist = 0;
176 static char *vfilters = NULL;
178 static unsigned int sws_flags = SWS_BICUBIC;
181 static int intra_only = 0;
182 static int audio_sample_rate = 44100;
183 static int64_t channel_layout = 0;
184 #define QSCALE_NONE -99999
185 static float audio_qscale = QSCALE_NONE;
186 static int audio_disable = 0;
187 static int audio_channels = 1;
188 static char *audio_codec_name = NULL;
189 static unsigned int audio_codec_tag = 0;
190 static char *audio_language = NULL;
192 static int subtitle_disable = 0;
193 static char *subtitle_codec_name = NULL;
194 static char *subtitle_language = NULL;
195 static unsigned int subtitle_codec_tag = 0;
197 static float mux_preload= 0.5;
198 static float mux_max_delay= 0.7;
200 static int64_t recording_time = INT64_MAX;
201 static int64_t start_time = 0;
202 static int64_t recording_timestamp = 0;
203 static int64_t input_ts_offset = 0;
204 static int file_overwrite = 0;
205 static AVMetadata *metadata;
206 static int do_benchmark = 0;
207 static int do_hex_dump = 0;
208 static int do_pkt_dump = 0;
209 static int do_psnr = 0;
210 static int do_pass = 0;
211 static char *pass_logfilename_prefix = NULL;
212 static int audio_stream_copy = 0;
213 static int video_stream_copy = 0;
214 static int subtitle_stream_copy = 0;
215 static int video_sync_method= -1;
216 static int audio_sync_method= 0;
217 static float audio_drift_threshold= 0.1;
218 static int copy_ts= 0;
220 static int opt_shortest = 0;
221 static int video_global_header = 0;
222 static char *vstats_filename;
223 static FILE *vstats_file;
224 static int opt_programid = 0;
225 static int copy_initial_nonkeyframes = 0;
227 static int rate_emu = 0;
229 static int video_channel = 0;
230 static char *video_standard;
232 static int audio_volume = 256;
234 static int exit_on_error = 0;
235 static int using_stdin = 0;
236 static int verbose = 1;
237 static int thread_count= 1;
238 static int q_pressed = 0;
239 static int64_t video_size = 0;
240 static int64_t audio_size = 0;
241 static int64_t extra_size = 0;
242 static int nb_frames_dup = 0;
243 static int nb_frames_drop = 0;
244 static int input_sync;
245 static uint64_t limit_filesize = 0;
246 static int force_fps = 0;
247 static char *forced_key_frames = NULL;
249 static float dts_delta_threshold = 10;
251 static int64_t timer_start;
253 static uint8_t *audio_buf;
254 static uint8_t *audio_out;
255 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
257 static short *samples;
259 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
260 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
261 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
263 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
265 struct AVInputStream;
267 typedef struct AVOutputStream {
268 int file_index; /* file index */
269 int index; /* stream index in the output file */
270 int source_index; /* AVInputStream index */
271 AVStream *st; /* stream in the output file */
272 int encoding_needed; /* true if encoding needed for this stream */
274 /* input pts and corresponding output pts
276 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
277 struct AVInputStream *sync_ist; /* input stream to sync against */
278 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
279 AVBitStreamFilterContext *bitstream_filters;
282 AVFrame pict_tmp; /* temporary image for resampling */
283 struct SwsContext *img_resample_ctx; /* for image resampling */
286 int resample_pix_fmt;
288 /* full frame size of first frame */
292 /* forced key frames */
293 int64_t *forced_kf_pts;
299 ReSampleContext *resample; /* for audio resampling */
300 int resample_sample_fmt;
301 int resample_channels;
302 int resample_sample_rate;
304 AVAudioConvert *reformat_ctx;
305 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
309 AVFilterContext *output_video_filter;
310 AVFilterContext *input_video_filter;
311 AVFilterBufferRef *picref;
313 AVFilterGraph *graph;
317 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
318 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
320 typedef struct AVInputStream {
324 int discard; /* true if stream data should be discarded */
325 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
326 int64_t sample_index; /* current sample */
328 int64_t start; /* time when read started */
329 int64_t next_pts; /* synthetic pts for cases where pkt.pts
331 int64_t pts; /* current pts */
332 int is_start; /* is 1 at the start and after a discontinuity */
333 int showed_multi_packet_warning;
334 int is_past_recording_time;
336 AVFrame *filter_frame;
337 int has_filter_frame;
341 typedef struct AVInputFile {
342 int eof_reached; /* true if eof reached */
343 int ist_index; /* index of first stream in ist_table */
344 int buffer_size; /* current total buffer size */
345 int nb_streams; /* nb streams we are aware of */
350 /* init terminal so that we can grab keys */
351 static struct termios oldtty;
356 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
358 AVFilterContext *last_filter, *filter;
359 /** filter graph containing all filters including input & output */
360 AVCodecContext *codec = ost->st->codec;
361 AVCodecContext *icodec = ist->st->codec;
362 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
363 AVRational sample_aspect_ratio;
367 ost->graph = avfilter_graph_alloc();
369 if (ist->st->sample_aspect_ratio.num){
370 sample_aspect_ratio = ist->st->sample_aspect_ratio;
372 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
374 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
375 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
376 sample_aspect_ratio.num, sample_aspect_ratio.den);
378 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
379 "src", args, NULL, ost->graph);
382 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
383 "out", NULL, &ffsink_ctx, ost->graph);
386 last_filter = ost->input_video_filter;
388 if (codec->width != icodec->width || codec->height != icodec->height) {
389 snprintf(args, 255, "%d:%d:flags=0x%X",
392 (int)av_get_int(sws_opts, "sws_flags", NULL));
393 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
394 NULL, args, NULL, ost->graph)) < 0)
396 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
398 last_filter = filter;
401 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
402 ost->graph->scale_sws_opts = av_strdup(args);
405 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
406 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
408 outputs->name = av_strdup("in");
409 outputs->filter_ctx = last_filter;
410 outputs->pad_idx = 0;
411 outputs->next = NULL;
413 inputs->name = av_strdup("out");
414 inputs->filter_ctx = ost->output_video_filter;
418 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
420 av_freep(&ost->avfilter);
422 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
426 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
429 codec->width = ost->output_video_filter->inputs[0]->w;
430 codec->height = ost->output_video_filter->inputs[0]->h;
431 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
432 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
436 #endif /* CONFIG_AVFILTER */
438 static void term_exit(void)
440 av_log(NULL, AV_LOG_QUIET, "");
442 tcsetattr (0, TCSANOW, &oldtty);
446 static volatile int received_sigterm = 0;
449 sigterm_handler(int sig)
451 received_sigterm = sig;
456 static void term_init(void)
465 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
466 |INLCR|IGNCR|ICRNL|IXON);
467 tty.c_oflag |= OPOST;
468 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
469 tty.c_cflag &= ~(CSIZE|PARENB);
474 tcsetattr (0, TCSANOW, &tty);
475 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
478 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
479 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
481 signal(SIGXCPU, sigterm_handler);
485 /* read a key without blocking */
486 static int read_key(void)
498 n = select(1, &rfds, NULL, NULL, &tv);
513 static int decode_interrupt_cb(void)
515 q_pressed += read_key() == 'q';
516 return q_pressed > 1;
519 static int ffmpeg_exit(int ret)
524 for(i=0;i<nb_output_files;i++) {
525 AVFormatContext *s = output_files[i];
526 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
528 avformat_free_context(s);
529 av_free(output_streams_for_file[i]);
531 for(i=0;i<nb_input_files;i++) {
532 av_close_input_file(input_files[i]);
533 av_free(input_files_ts_scale[i]);
536 av_free(intra_matrix);
537 av_free(inter_matrix);
541 av_free(vstats_filename);
543 av_free(streamid_map);
544 av_free(input_codecs);
545 av_free(output_codecs);
546 av_free(stream_maps);
547 av_free(meta_data_maps);
549 av_free(video_codec_name);
550 av_free(audio_codec_name);
551 av_free(subtitle_codec_name);
553 av_free(video_standard);
558 allocated_audio_buf_size= allocated_audio_out_size= 0;
565 if (received_sigterm) {
567 "Received signal %d: terminating.\n",
568 (int) received_sigterm);
572 exit(ret); /* not all OS-es handle main() return value */
576 /* similar to ff_dynarray_add() and av_fast_realloc() */
577 static void *grow_array(void *array, int elem_size, int *size, int new_size)
579 if (new_size >= INT_MAX / elem_size) {
580 fprintf(stderr, "Array too big.\n");
583 if (*size < new_size) {
584 uint8_t *tmp = av_realloc(array, new_size*elem_size);
586 fprintf(stderr, "Could not alloc buffer.\n");
589 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
596 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
598 if(codec && codec->sample_fmts){
599 const enum AVSampleFormat *p= codec->sample_fmts;
601 if(*p == st->codec->sample_fmt)
605 av_log(NULL, AV_LOG_WARNING,
606 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
607 av_get_sample_fmt_name(st->codec->sample_fmt),
609 av_get_sample_fmt_name(codec->sample_fmts[0]));
610 st->codec->sample_fmt = codec->sample_fmts[0];
615 static void choose_sample_rate(AVStream *st, AVCodec *codec)
617 if(codec && codec->supported_samplerates){
618 const int *p= codec->supported_samplerates;
620 int best_dist=INT_MAX;
622 int dist= abs(st->codec->sample_rate - *p);
623 if(dist < best_dist){
629 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
631 st->codec->sample_rate= best;
635 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
637 if(codec && codec->pix_fmts){
638 const enum PixelFormat *p= codec->pix_fmts;
639 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
640 if(st->codec->codec_id==CODEC_ID_MJPEG){
641 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
642 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
643 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
647 if(*p == st->codec->pix_fmt)
651 if(st->codec->pix_fmt != PIX_FMT_NONE)
652 av_log(NULL, AV_LOG_WARNING,
653 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
654 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
656 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
657 st->codec->pix_fmt = codec->pix_fmts[0];
662 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
664 int idx = oc->nb_streams - 1;
667 output_streams_for_file[file_idx] =
668 grow_array(output_streams_for_file[file_idx],
669 sizeof(*output_streams_for_file[file_idx]),
670 &nb_output_streams_for_file[file_idx],
672 ost = output_streams_for_file[file_idx][idx] =
673 av_mallocz(sizeof(AVOutputStream));
675 fprintf(stderr, "Could not alloc output stream\n");
678 ost->file_index = file_idx;
683 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
689 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
692 /* copy stream format */
694 for(i=0;i<ic->nb_streams;i++) {
700 // FIXME: a more elegant solution is needed
701 st = av_mallocz(sizeof(AVStream));
702 memcpy(st, ic->streams[i], sizeof(AVStream));
703 st->codec = avcodec_alloc_context();
705 print_error(filename, AVERROR(ENOMEM));
708 avcodec_copy_context(st->codec, ic->streams[i]->codec);
711 codec = avcodec_find_encoder(st->codec->codec_id);
712 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
713 if (audio_stream_copy) {
716 choose_sample_fmt(st, codec);
717 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
718 if (video_stream_copy) {
721 choose_pixel_fmt(st, codec);
724 if(st->codec->flags & CODEC_FLAG_BITEXACT)
727 new_output_stream(s, nb_output_files);
731 s->timestamp = av_gettime();
733 av_close_input_file(ic);
738 get_sync_ipts(const AVOutputStream *ost)
740 const AVInputStream *ist = ost->sync_ist;
741 return (double)(ist->pts - start_time)/AV_TIME_BASE;
744 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
748 AVPacket new_pkt= *pkt;
749 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
750 &new_pkt.data, &new_pkt.size,
751 pkt->data, pkt->size,
752 pkt->flags & AV_PKT_FLAG_KEY);
755 new_pkt.destruct= av_destruct_packet;
757 fprintf(stderr, "%s failed for stream %d, codec %s",
758 bsfc->filter->name, pkt->stream_index,
759 avctx->codec ? avctx->codec->name : "copy");
769 ret= av_interleaved_write_frame(s, pkt);
771 print_error("av_interleaved_write_frame()", ret);
776 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
778 static void do_audio_out(AVFormatContext *s,
781 unsigned char *buf, int size)
784 int64_t audio_out_size, audio_buf_size;
785 int64_t allocated_for_size= size;
787 int size_out, frame_bytes, ret, resample_changed;
788 AVCodecContext *enc= ost->st->codec;
789 AVCodecContext *dec= ist->st->codec;
790 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
791 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
792 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
795 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
796 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
797 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
798 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
799 audio_buf_size*= osize*enc->channels;
801 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
802 if(coded_bps > 8*osize)
803 audio_out_size= audio_out_size * coded_bps / (8*osize);
804 audio_out_size += FF_MIN_BUFFER_SIZE;
806 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
807 fprintf(stderr, "Buffer sizes too large\n");
811 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
812 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
813 if (!audio_buf || !audio_out){
814 fprintf(stderr, "Out of memory in do_audio_out\n");
818 if (enc->channels != dec->channels)
819 ost->audio_resample = 1;
821 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
822 ost->resample_channels != dec->channels ||
823 ost->resample_sample_rate != dec->sample_rate;
825 if ((ost->audio_resample && !ost->resample) || resample_changed) {
826 if (resample_changed) {
827 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
828 ist->file_index, ist->index,
829 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
830 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
831 ost->resample_sample_fmt = dec->sample_fmt;
832 ost->resample_channels = dec->channels;
833 ost->resample_sample_rate = dec->sample_rate;
835 audio_resample_close(ost->resample);
837 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
838 if (audio_sync_method <= 1 &&
839 ost->resample_sample_fmt == enc->sample_fmt &&
840 ost->resample_channels == enc->channels &&
841 ost->resample_sample_rate == enc->sample_rate) {
842 ost->resample = NULL;
843 ost->audio_resample = 0;
845 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
846 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
847 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
848 enc->sample_rate, dec->sample_rate,
849 enc->sample_fmt, dec->sample_fmt,
851 if (!ost->resample) {
852 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
853 dec->channels, dec->sample_rate,
854 enc->channels, enc->sample_rate);
860 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
861 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
862 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
863 if (ost->reformat_ctx)
864 av_audio_convert_free(ost->reformat_ctx);
865 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
866 dec->sample_fmt, 1, NULL, 0);
867 if (!ost->reformat_ctx) {
868 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
869 av_get_sample_fmt_name(dec->sample_fmt),
870 av_get_sample_fmt_name(enc->sample_fmt));
873 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
876 if(audio_sync_method){
877 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
878 - av_fifo_size(ost->fifo)/(enc->channels * 2);
879 double idelta= delta*dec->sample_rate / enc->sample_rate;
880 int byte_delta= ((int)idelta)*2*dec->channels;
882 //FIXME resample delay
883 if(fabs(delta) > 50){
884 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
886 byte_delta= FFMAX(byte_delta, -size);
890 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
895 static uint8_t *input_tmp= NULL;
896 input_tmp= av_realloc(input_tmp, byte_delta + size);
898 if(byte_delta > allocated_for_size - size){
899 allocated_for_size= byte_delta + (int64_t)size;
904 memset(input_tmp, 0, byte_delta);
905 memcpy(input_tmp + byte_delta, buf, size);
909 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
911 }else if(audio_sync_method>1){
912 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
913 av_assert0(ost->audio_resample);
915 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
916 // 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));
917 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
921 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
922 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
924 if (ost->audio_resample) {
926 size_out = audio_resample(ost->resample,
927 (short *)buftmp, (short *)buf,
928 size / (dec->channels * isize));
929 size_out = size_out * enc->channels * osize;
935 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
936 const void *ibuf[6]= {buftmp};
937 void *obuf[6]= {audio_buf};
938 int istride[6]= {isize};
939 int ostride[6]= {osize};
940 int len= size_out/istride[0];
941 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
942 printf("av_audio_convert() failed\n");
948 size_out = len*osize;
951 /* now encode as many frames as possible */
952 if (enc->frame_size > 1) {
953 /* output resampled raw samples */
954 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
955 fprintf(stderr, "av_fifo_realloc2() failed\n");
958 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
960 frame_bytes = enc->frame_size * osize * enc->channels;
962 while (av_fifo_size(ost->fifo) >= frame_bytes) {
964 av_init_packet(&pkt);
966 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
968 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
970 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
973 fprintf(stderr, "Audio encoding failed\n");
977 pkt.stream_index= ost->index;
980 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
981 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
982 pkt.flags |= AV_PKT_FLAG_KEY;
983 write_frame(s, &pkt, enc, ost->bitstream_filters);
985 ost->sync_opts += enc->frame_size;
989 av_init_packet(&pkt);
991 ost->sync_opts += size_out / (osize * enc->channels);
993 /* output a pcm frame */
994 /* determine the size of the coded buffer */
997 size_out = size_out*coded_bps/8;
999 if(size_out > audio_out_size){
1000 fprintf(stderr, "Internal error, buffer size too small\n");
1004 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1005 ret = avcodec_encode_audio(enc, audio_out, size_out,
1008 fprintf(stderr, "Audio encoding failed\n");
1012 pkt.stream_index= ost->index;
1013 pkt.data= audio_out;
1015 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1016 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1017 pkt.flags |= AV_PKT_FLAG_KEY;
1018 write_frame(s, &pkt, enc, ost->bitstream_filters);
1022 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1024 AVCodecContext *dec;
1025 AVPicture *picture2;
1026 AVPicture picture_tmp;
1029 dec = ist->st->codec;
1031 /* deinterlace : must be done before any resize */
1032 if (do_deinterlace) {
1035 /* create temporary picture */
1036 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1037 buf = av_malloc(size);
1041 picture2 = &picture_tmp;
1042 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1044 if(avpicture_deinterlace(picture2, picture,
1045 dec->pix_fmt, dec->width, dec->height) < 0) {
1046 /* if error, do not deinterlace */
1047 fprintf(stderr, "Deinterlacing failed\n");
1056 if (picture != picture2)
1057 *picture = *picture2;
1061 /* we begin to correct av delay at this threshold */
1062 #define AV_DELAY_MAX 0.100
1064 static void do_subtitle_out(AVFormatContext *s,
1065 AVOutputStream *ost,
1070 static uint8_t *subtitle_out = NULL;
1071 int subtitle_out_max_size = 1024 * 1024;
1072 int subtitle_out_size, nb, i;
1073 AVCodecContext *enc;
1076 if (pts == AV_NOPTS_VALUE) {
1077 fprintf(stderr, "Subtitle packets must have a pts\n");
1083 enc = ost->st->codec;
1085 if (!subtitle_out) {
1086 subtitle_out = av_malloc(subtitle_out_max_size);
1089 /* Note: DVB subtitle need one packet to draw them and one other
1090 packet to clear them */
1091 /* XXX: signal it in the codec context ? */
1092 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1097 for(i = 0; i < nb; i++) {
1098 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1099 // start_display_time is required to be 0
1100 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1101 sub->end_display_time -= sub->start_display_time;
1102 sub->start_display_time = 0;
1103 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1104 subtitle_out_max_size, sub);
1105 if (subtitle_out_size < 0) {
1106 fprintf(stderr, "Subtitle encoding failed\n");
1110 av_init_packet(&pkt);
1111 pkt.stream_index = ost->index;
1112 pkt.data = subtitle_out;
1113 pkt.size = subtitle_out_size;
1114 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1115 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1116 /* XXX: the pts correction is handled here. Maybe handling
1117 it in the codec would be better */
1119 pkt.pts += 90 * sub->start_display_time;
1121 pkt.pts += 90 * sub->end_display_time;
1123 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1127 static int bit_buffer_size= 1024*256;
1128 static uint8_t *bit_buffer= NULL;
1130 static void do_video_out(AVFormatContext *s,
1131 AVOutputStream *ost,
1133 AVFrame *in_picture,
1136 int nb_frames, i, ret;
1137 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1138 AVCodecContext *enc, *dec;
1141 enc = ost->st->codec;
1142 dec = ist->st->codec;
1144 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1146 /* by default, we output a single frame */
1151 if(video_sync_method){
1152 double vdelta = sync_ipts - ost->sync_opts;
1153 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1156 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1159 }else if(vdelta>0.6)
1160 ost->sync_opts= lrintf(sync_ipts);
1161 }else if (vdelta > 1.1)
1162 nb_frames = lrintf(vdelta);
1163 //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);
1164 if (nb_frames == 0){
1167 fprintf(stderr, "*** drop!\n");
1168 }else if (nb_frames > 1) {
1169 nb_frames_dup += nb_frames - 1;
1171 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1174 ost->sync_opts= lrintf(sync_ipts);
1176 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1180 formatted_picture = in_picture;
1181 final_picture = formatted_picture;
1182 padding_src = formatted_picture;
1183 resampling_dst = &ost->pict_tmp;
1185 if ( ost->resample_height != ist->st->codec->height
1186 || ost->resample_width != ist->st->codec->width
1187 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1189 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));
1190 if(!ost->video_resample)
1194 #if !CONFIG_AVFILTER
1195 if (ost->video_resample) {
1197 final_picture = &ost->pict_tmp;
1198 if( ost->resample_height != ist->st->codec->height
1199 || ost->resample_width != ist->st->codec->width
1200 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1202 /* initialize a new scaler context */
1203 sws_freeContext(ost->img_resample_ctx);
1204 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1205 ost->img_resample_ctx = sws_getContext(
1206 ist->st->codec->width,
1207 ist->st->codec->height,
1208 ist->st->codec->pix_fmt,
1209 ost->st->codec->width,
1210 ost->st->codec->height,
1211 ost->st->codec->pix_fmt,
1212 sws_flags, NULL, NULL, NULL);
1213 if (ost->img_resample_ctx == NULL) {
1214 fprintf(stderr, "Cannot get resampling context\n");
1218 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1219 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1223 /* duplicates frame if needed */
1224 for(i=0;i<nb_frames;i++) {
1226 av_init_packet(&pkt);
1227 pkt.stream_index= ost->index;
1229 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1230 /* raw pictures are written as AVPicture structure to
1231 avoid any copies. We support temorarily the older
1233 AVFrame* old_frame = enc->coded_frame;
1234 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1235 pkt.data= (uint8_t *)final_picture;
1236 pkt.size= sizeof(AVPicture);
1237 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1238 pkt.flags |= AV_PKT_FLAG_KEY;
1240 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1241 enc->coded_frame = old_frame;
1243 AVFrame big_picture;
1245 big_picture= *final_picture;
1246 /* better than nothing: use input picture interlaced
1248 big_picture.interlaced_frame = in_picture->interlaced_frame;
1249 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1250 if(top_field_first == -1)
1251 big_picture.top_field_first = in_picture->top_field_first;
1253 big_picture.top_field_first = top_field_first;
1256 /* handles sameq here. This is not correct because it may
1257 not be a global option */
1258 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1260 big_picture.pict_type = 0;
1261 // big_picture.pts = AV_NOPTS_VALUE;
1262 big_picture.pts= ost->sync_opts;
1263 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1264 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1265 if (ost->forced_kf_index < ost->forced_kf_count &&
1266 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1267 big_picture.pict_type = FF_I_TYPE;
1268 ost->forced_kf_index++;
1270 ret = avcodec_encode_video(enc,
1271 bit_buffer, bit_buffer_size,
1274 fprintf(stderr, "Video encoding failed\n");
1279 pkt.data= bit_buffer;
1281 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1282 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1283 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1284 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1285 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1287 if(enc->coded_frame->key_frame)
1288 pkt.flags |= AV_PKT_FLAG_KEY;
1289 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1292 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1293 // enc->frame_number-1, ret, enc->pict_type);
1294 /* if two pass, output log */
1295 if (ost->logfile && enc->stats_out) {
1296 fprintf(ost->logfile, "%s", enc->stats_out);
1301 ost->frame_number++;
1305 static double psnr(double d){
1306 return -10.0*log(d)/log(10.0);
1309 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1312 AVCodecContext *enc;
1314 double ti1, bitrate, avg_bitrate;
1316 /* this is executed just the first time do_video_stats is called */
1318 vstats_file = fopen(vstats_filename, "w");
1325 enc = ost->st->codec;
1326 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1327 frame_number = ost->frame_number;
1328 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1329 if (enc->flags&CODEC_FLAG_PSNR)
1330 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1332 fprintf(vstats_file,"f_size= %6d ", frame_size);
1333 /* compute pts value */
1334 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1338 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1339 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1340 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1341 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1342 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1346 static void print_report(AVFormatContext **output_files,
1347 AVOutputStream **ost_table, int nb_ostreams,
1351 AVOutputStream *ost;
1352 AVFormatContext *oc;
1354 AVCodecContext *enc;
1355 int frame_number, vid, i;
1356 double bitrate, ti1, pts;
1357 static int64_t last_time = -1;
1358 static int qp_histogram[52];
1360 if (!is_last_report) {
1362 /* display the report every 0.5 seconds */
1363 cur_time = av_gettime();
1364 if (last_time == -1) {
1365 last_time = cur_time;
1368 if ((cur_time - last_time) < 500000)
1370 last_time = cur_time;
1374 oc = output_files[0];
1376 total_size = avio_size(oc->pb);
1377 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1378 total_size= avio_tell(oc->pb);
1383 for(i=0;i<nb_ostreams;i++) {
1386 enc = ost->st->codec;
1387 if(!ost->st->stream_copy && enc->coded_frame)
1388 q= enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1389 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1390 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1392 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1393 float t = (av_gettime()-timer_start) / 1000000.0;
1395 frame_number = ost->frame_number;
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1397 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1399 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1403 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1406 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1408 if (enc->flags&CODEC_FLAG_PSNR){
1410 double error, error_sum=0;
1411 double scale, scale_sum=0;
1412 char type[3]= {'Y','U','V'};
1413 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1416 error= enc->error[j];
1417 scale= enc->width*enc->height*255.0*255.0*frame_number;
1419 error= enc->coded_frame->error[j];
1420 scale= enc->width*enc->height*255.0*255.0;
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1431 /* compute min output value */
1432 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1433 if ((pts < ti1) && (pts > 0))
1439 if (verbose || is_last_report) {
1440 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1442 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1443 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1444 (double)total_size / 1024, ti1, bitrate);
1446 if (nb_frames_dup || nb_frames_drop)
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1448 nb_frames_dup, nb_frames_drop);
1451 fprintf(stderr, "%s \r", buf);
1456 if (is_last_report && verbose >= 0){
1457 int64_t raw= audio_size + video_size + extra_size;
1458 fprintf(stderr, "\n");
1459 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1463 100.0*(total_size - raw)/raw
1468 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1470 int fill_char = 0x00;
1471 if (sample_fmt == AV_SAMPLE_FMT_U8)
1473 memset(buf, fill_char, size);
1476 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1477 static int output_packet(AVInputStream *ist, int ist_index,
1478 AVOutputStream **ost_table, int nb_ostreams,
1479 const AVPacket *pkt)
1481 AVFormatContext *os;
1482 AVOutputStream *ost;
1486 void *buffer_to_free;
1487 static unsigned int samples_size= 0;
1488 AVSubtitle subtitle, *subtitle_to_free;
1489 int64_t pkt_pts = AV_NOPTS_VALUE;
1491 int frame_available;
1495 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1497 if(ist->next_pts == AV_NOPTS_VALUE)
1498 ist->next_pts= ist->pts;
1502 av_init_packet(&avpkt);
1510 if(pkt->dts != AV_NOPTS_VALUE)
1511 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1512 if(pkt->pts != AV_NOPTS_VALUE)
1513 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1515 //while we have more to decode or while the decoder did output something on EOF
1516 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1517 uint8_t *data_buf, *decoded_data_buf;
1518 int data_size, decoded_data_size;
1520 ist->pts= ist->next_pts;
1522 if(avpkt.size && avpkt.size != pkt->size &&
1523 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1524 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1525 ist->showed_multi_packet_warning=1;
1528 /* decode the packet if needed */
1529 decoded_data_buf = NULL; /* fail safe */
1530 decoded_data_size= 0;
1531 data_buf = avpkt.data;
1532 data_size = avpkt.size;
1533 subtitle_to_free = NULL;
1534 if (ist->decoding_needed) {
1535 switch(ist->st->codec->codec_type) {
1536 case AVMEDIA_TYPE_AUDIO:{
1537 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1538 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1540 samples= av_malloc(samples_size);
1542 decoded_data_size= samples_size;
1543 /* XXX: could avoid copy if PCM 16 bits with same
1544 endianness as CPU */
1545 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1552 /* Some bug in mpeg audio decoder gives */
1553 /* decoded_data_size < 0, it seems they are overflows */
1554 if (decoded_data_size <= 0) {
1555 /* no audio frame */
1558 decoded_data_buf = (uint8_t *)samples;
1559 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1560 (ist->st->codec->sample_rate * ist->st->codec->channels);
1562 case AVMEDIA_TYPE_VIDEO:
1563 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1564 /* XXX: allocate picture correctly */
1565 avcodec_get_frame_defaults(&picture);
1566 avpkt.pts = pkt_pts;
1567 avpkt.dts = ist->pts;
1568 pkt_pts = AV_NOPTS_VALUE;
1570 ret = avcodec_decode_video2(ist->st->codec,
1571 &picture, &got_picture, &avpkt);
1572 ist->st->quality= picture.quality;
1576 /* no picture yet */
1577 goto discard_packet;
1579 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1580 if (ist->st->codec->time_base.num != 0) {
1581 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1582 ist->next_pts += ((int64_t)AV_TIME_BASE *
1583 ist->st->codec->time_base.num * ticks) /
1584 ist->st->codec->time_base.den;
1588 case AVMEDIA_TYPE_SUBTITLE:
1589 ret = avcodec_decode_subtitle2(ist->st->codec,
1590 &subtitle, &got_picture, &avpkt);
1594 goto discard_packet;
1596 subtitle_to_free = &subtitle;
1603 switch(ist->st->codec->codec_type) {
1604 case AVMEDIA_TYPE_AUDIO:
1605 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1606 ist->st->codec->sample_rate;
1608 case AVMEDIA_TYPE_VIDEO:
1609 if (ist->st->codec->time_base.num != 0) {
1610 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1611 ist->next_pts += ((int64_t)AV_TIME_BASE *
1612 ist->st->codec->time_base.num * ticks) /
1613 ist->st->codec->time_base.den;
1621 buffer_to_free = NULL;
1622 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1623 pre_process_video_frame(ist, (AVPicture *)&picture,
1628 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
1629 for(i=0;i<nb_ostreams;i++) {
1631 if (ost->input_video_filter && ost->source_index == ist_index) {
1633 if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
1634 else sar = ist->st->codec->sample_aspect_ratio;
1635 // add it to be filtered
1636 av_vsrc_buffer_add_frame2(ost->input_video_filter, &picture,
1638 sar, ist->st->codec->width, ist->st->codec->height,
1639 ist->st->codec->pix_fmt, "0:0"); //TODO user setable params
1645 // preprocess audio (volume)
1646 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1647 if (audio_volume != 256) {
1650 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1651 int v = ((*volp) * audio_volume + 128) >> 8;
1652 if (v < -32768) v = -32768;
1653 if (v > 32767) v = 32767;
1659 /* frame rate emulation */
1661 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1662 int64_t now = av_gettime() - ist->start;
1666 /* if output time reached then transcode raw format,
1667 encode packets and output them */
1668 if (start_time == 0 || ist->pts >= start_time)
1669 for(i=0;i<nb_ostreams;i++) {
1673 if (ost->source_index == ist_index) {
1675 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1676 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1677 while (frame_available) {
1678 AVRational ist_pts_tb;
1679 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1680 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1682 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1684 os = output_files[ost->file_index];
1686 /* set the input output pts pairs */
1687 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1689 if (ost->encoding_needed) {
1690 av_assert0(ist->decoding_needed);
1691 switch(ost->st->codec->codec_type) {
1692 case AVMEDIA_TYPE_AUDIO:
1693 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1695 case AVMEDIA_TYPE_VIDEO:
1697 if (ost->picref->video)
1698 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1700 do_video_out(os, ost, ist, &picture, &frame_size);
1701 if (vstats_filename && frame_size)
1702 do_video_stats(os, ost, frame_size);
1704 case AVMEDIA_TYPE_SUBTITLE:
1705 do_subtitle_out(os, ost, ist, &subtitle,
1712 AVFrame avframe; //FIXME/XXX remove this
1714 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1716 av_init_packet(&opkt);
1718 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1719 #if !CONFIG_AVFILTER
1725 /* no reencoding needed : output the packet directly */
1726 /* force the input stream PTS */
1728 avcodec_get_frame_defaults(&avframe);
1729 ost->st->codec->coded_frame= &avframe;
1730 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1732 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1733 audio_size += data_size;
1734 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1735 video_size += data_size;
1739 opkt.stream_index= ost->index;
1740 if(pkt->pts != AV_NOPTS_VALUE)
1741 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1743 opkt.pts= AV_NOPTS_VALUE;
1745 if (pkt->dts == AV_NOPTS_VALUE)
1746 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1748 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1749 opkt.dts -= ost_tb_start_time;
1751 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1752 opkt.flags= pkt->flags;
1754 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1755 if( ost->st->codec->codec_id != CODEC_ID_H264
1756 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1757 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1759 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1760 opkt.destruct= av_destruct_packet;
1762 opkt.data = data_buf;
1763 opkt.size = data_size;
1766 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1767 ost->st->codec->frame_number++;
1768 ost->frame_number++;
1769 av_free_packet(&opkt);
1773 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1774 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1776 avfilter_unref_buffer(ost->picref);
1782 av_free(buffer_to_free);
1783 /* XXX: allocate the subtitles in the codec ? */
1784 if (subtitle_to_free) {
1785 avsubtitle_free(subtitle_to_free);
1786 subtitle_to_free = NULL;
1793 for(i=0;i<nb_ostreams;i++) {
1795 if (ost->source_index == ist_index) {
1796 AVCodecContext *enc= ost->st->codec;
1797 os = output_files[ost->file_index];
1799 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1801 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1804 if (ost->encoding_needed) {
1808 av_init_packet(&pkt);
1809 pkt.stream_index= ost->index;
1811 switch(ost->st->codec->codec_type) {
1812 case AVMEDIA_TYPE_AUDIO:
1813 fifo_bytes = av_fifo_size(ost->fifo);
1815 /* encode any samples remaining in fifo */
1816 if (fifo_bytes > 0) {
1817 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1818 int fs_tmp = enc->frame_size;
1820 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1821 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1822 enc->frame_size = fifo_bytes / (osize * enc->channels);
1824 int frame_bytes = enc->frame_size*osize*enc->channels;
1825 if (allocated_audio_buf_size < frame_bytes)
1827 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1830 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1831 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1832 ost->st->time_base.num, enc->sample_rate);
1833 enc->frame_size = fs_tmp;
1836 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1839 fprintf(stderr, "Audio encoding failed\n");
1843 pkt.flags |= AV_PKT_FLAG_KEY;
1845 case AVMEDIA_TYPE_VIDEO:
1846 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1848 fprintf(stderr, "Video encoding failed\n");
1852 if(enc->coded_frame && enc->coded_frame->key_frame)
1853 pkt.flags |= AV_PKT_FLAG_KEY;
1854 if (ost->logfile && enc->stats_out) {
1855 fprintf(ost->logfile, "%s", enc->stats_out);
1864 pkt.data= bit_buffer;
1866 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1867 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1868 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1880 static void print_sdp(AVFormatContext **avc, int n)
1884 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1885 printf("SDP:\n%s\n", sdp);
1889 static int copy_chapters(int infile, int outfile)
1891 AVFormatContext *is = input_files[infile];
1892 AVFormatContext *os = output_files[outfile];
1895 for (i = 0; i < is->nb_chapters; i++) {
1896 AVChapter *in_ch = is->chapters[i], *out_ch;
1897 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1898 AV_TIME_BASE_Q, in_ch->time_base);
1899 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1900 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1903 if (in_ch->end < ts_off)
1905 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1908 out_ch = av_mallocz(sizeof(AVChapter));
1910 return AVERROR(ENOMEM);
1912 out_ch->id = in_ch->id;
1913 out_ch->time_base = in_ch->time_base;
1914 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1915 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1917 if (metadata_chapters_autocopy)
1918 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1921 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1923 return AVERROR(ENOMEM);
1924 os->chapters[os->nb_chapters - 1] = out_ch;
1929 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1930 AVCodecContext *avctx)
1936 for (p = kf; *p; p++)
1939 ost->forced_kf_count = n;
1940 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1941 if (!ost->forced_kf_pts) {
1942 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1945 for (i = 0; i < n; i++) {
1946 p = i ? strchr(p, ',') + 1 : kf;
1947 t = parse_time_or_die("force_key_frames", p, 1);
1948 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1953 * The following code is the main loop of the file converter
1955 static int transcode(AVFormatContext **output_files,
1956 int nb_output_files,
1957 AVFormatContext **input_files,
1959 AVStreamMap *stream_maps, int nb_stream_maps)
1961 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step;
1962 AVFormatContext *is, *os;
1963 AVCodecContext *codec, *icodec;
1964 AVOutputStream *ost, **ost_table = NULL;
1965 AVInputStream *ist, **ist_table = NULL;
1966 AVInputFile *file_table;
1970 uint8_t no_packet[MAX_FILES]={0};
1971 int no_packet_count=0;
1972 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1973 int nb_streams[AVMEDIA_TYPE_NB]={0};
1975 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1979 /* input stream init */
1981 for(i=0;i<nb_input_files;i++) {
1982 is = input_files[i];
1983 file_table[i].ist_index = j;
1984 file_table[i].nb_streams = is->nb_streams;
1985 j += is->nb_streams;
1989 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1993 for(i=0;i<nb_istreams;i++) {
1994 ist = av_mallocz(sizeof(AVInputStream));
2000 for(i=0;i<nb_input_files;i++) {
2001 is = input_files[i];
2002 for(k=0;k<is->nb_streams;k++) {
2003 ist = ist_table[j++];
2004 ist->st = is->streams[k];
2005 ist->file_index = i;
2007 ist->discard = 1; /* the stream is discarded by default
2011 ist->start = av_gettime();
2016 /* output stream init */
2018 for(i=0;i<nb_output_files;i++) {
2019 os = output_files[i];
2020 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2021 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2022 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2023 ret = AVERROR(EINVAL);
2026 nb_ostreams += os->nb_streams;
2028 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2029 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2030 ret = AVERROR(EINVAL);
2034 /* Sanity check the mapping args -- do the input files & streams exist? */
2035 for(i=0;i<nb_stream_maps;i++) {
2036 int fi = stream_maps[i].file_index;
2037 int si = stream_maps[i].stream_index;
2039 if (fi < 0 || fi > nb_input_files - 1 ||
2040 si < 0 || si > file_table[fi].nb_streams - 1) {
2041 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2042 ret = AVERROR(EINVAL);
2045 fi = stream_maps[i].sync_file_index;
2046 si = stream_maps[i].sync_stream_index;
2047 if (fi < 0 || fi > nb_input_files - 1 ||
2048 si < 0 || si > file_table[fi].nb_streams - 1) {
2049 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2050 ret = AVERROR(EINVAL);
2055 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2059 for(k=0;k<nb_output_files;k++) {
2060 os = output_files[k];
2061 for(i=0;i<os->nb_streams;i++,n++) {
2062 nb_streams[os->streams[i]->codec->codec_type]++;
2065 for(step=1<<30; step; step>>=1){
2066 int found_streams[AVMEDIA_TYPE_NB]={0};
2067 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2068 nb_frame_threshold[j] += step;
2070 for(j=0; j<nb_istreams; j++) {
2075 AVFormatContext *f= input_files[ ist->file_index ];
2077 for(pi=0; pi<f->nb_programs; pi++){
2078 AVProgram *p= f->programs[pi];
2079 if(p->id == opt_programid)
2080 for(si=0; si<p->nb_stream_indexes; si++){
2081 if(f->streams[ p->stream_index[si] ] == ist->st)
2086 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2087 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2088 found_streams[ist->st->codec->codec_type]++;
2091 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2092 if(found_streams[j] < nb_streams[j])
2093 nb_frame_threshold[j] -= step;
2096 for(k=0;k<nb_output_files;k++) {
2097 os = output_files[k];
2098 for(i=0;i<os->nb_streams;i++,n++) {
2100 ost = ost_table[n] = output_streams_for_file[k][i];
2101 ost->st = os->streams[i];
2102 if (nb_stream_maps > 0) {
2103 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2104 stream_maps[n].stream_index;
2106 /* Sanity check that the stream types match */
2107 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2108 int i= ost->file_index;
2109 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2110 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2111 stream_maps[n].file_index, stream_maps[n].stream_index,
2112 ost->file_index, ost->index);
2117 /* get corresponding input stream index : we select the first one with the right type */
2119 for(j=0;j<nb_istreams;j++) {
2124 AVFormatContext *f= input_files[ ist->file_index ];
2126 for(pi=0; pi<f->nb_programs; pi++){
2127 AVProgram *p= f->programs[pi];
2128 if(p->id == opt_programid)
2129 for(si=0; si<p->nb_stream_indexes; si++){
2130 if(f->streams[ p->stream_index[si] ] == ist->st)
2135 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2136 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2137 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2138 ost->source_index = j;
2145 if(! opt_programid) {
2146 /* try again and reuse existing stream */
2147 for(j=0;j<nb_istreams;j++) {
2149 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2150 && ist->st->discard != AVDISCARD_ALL) {
2151 ost->source_index = j;
2157 int i= ost->file_index;
2158 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2159 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2160 ost->file_index, ost->index);
2165 ist = ist_table[ost->source_index];
2167 ost->sync_ist = (nb_stream_maps > 0) ?
2168 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2169 stream_maps[n].sync_stream_index] : ist;
2173 /* for each output stream, we compute the right encoding parameters */
2174 for(i=0;i<nb_ostreams;i++) {
2176 os = output_files[ost->file_index];
2177 ist = ist_table[ost->source_index];
2179 codec = ost->st->codec;
2180 icodec = ist->st->codec;
2182 if (metadata_streams_autocopy)
2183 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2184 AV_METADATA_DONT_OVERWRITE);
2186 ost->st->disposition = ist->st->disposition;
2187 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2188 codec->chroma_sample_location = icodec->chroma_sample_location;
2190 if (ost->st->stream_copy) {
2191 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2193 if (extra_size > INT_MAX)
2196 /* if stream_copy is selected, no need to decode or encode */
2197 codec->codec_id = icodec->codec_id;
2198 codec->codec_type = icodec->codec_type;
2200 if(!codec->codec_tag){
2201 if( !os->oformat->codec_tag
2202 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2203 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2204 codec->codec_tag = icodec->codec_tag;
2207 codec->bit_rate = icodec->bit_rate;
2208 codec->rc_max_rate = icodec->rc_max_rate;
2209 codec->rc_buffer_size = icodec->rc_buffer_size;
2210 codec->extradata= av_mallocz(extra_size);
2211 if (!codec->extradata)
2213 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2214 codec->extradata_size= icodec->extradata_size;
2215 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2216 codec->time_base = icodec->time_base;
2217 codec->time_base.num *= icodec->ticks_per_frame;
2218 av_reduce(&codec->time_base.num, &codec->time_base.den,
2219 codec->time_base.num, codec->time_base.den, INT_MAX);
2221 codec->time_base = ist->st->time_base;
2222 switch(codec->codec_type) {
2223 case AVMEDIA_TYPE_AUDIO:
2224 if(audio_volume != 256) {
2225 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2228 codec->channel_layout = icodec->channel_layout;
2229 codec->sample_rate = icodec->sample_rate;
2230 codec->channels = icodec->channels;
2231 codec->frame_size = icodec->frame_size;
2232 codec->audio_service_type = icodec->audio_service_type;
2233 codec->block_align= icodec->block_align;
2234 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2235 codec->block_align= 0;
2236 if(codec->codec_id == CODEC_ID_AC3)
2237 codec->block_align= 0;
2239 case AVMEDIA_TYPE_VIDEO:
2240 codec->pix_fmt = icodec->pix_fmt;
2241 codec->width = icodec->width;
2242 codec->height = icodec->height;
2243 codec->has_b_frames = icodec->has_b_frames;
2245 case AVMEDIA_TYPE_SUBTITLE:
2246 codec->width = icodec->width;
2247 codec->height = icodec->height;
2253 switch(codec->codec_type) {
2254 case AVMEDIA_TYPE_AUDIO:
2255 ost->fifo= av_fifo_alloc(1024);
2258 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2259 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2260 icodec->request_channels = codec->channels;
2261 ist->decoding_needed = 1;
2262 ost->encoding_needed = 1;
2263 ost->resample_sample_fmt = icodec->sample_fmt;
2264 ost->resample_sample_rate = icodec->sample_rate;
2265 ost->resample_channels = icodec->channels;
2267 case AVMEDIA_TYPE_VIDEO:
2268 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2269 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2272 ost->video_resample = (codec->width != icodec->width ||
2273 codec->height != icodec->height ||
2274 (codec->pix_fmt != icodec->pix_fmt));
2275 if (ost->video_resample) {
2276 #if !CONFIG_AVFILTER
2277 avcodec_get_frame_defaults(&ost->pict_tmp);
2278 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2279 codec->width, codec->height)) {
2280 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2283 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2284 ost->img_resample_ctx = sws_getContext(
2291 sws_flags, NULL, NULL, NULL);
2292 if (ost->img_resample_ctx == NULL) {
2293 fprintf(stderr, "Cannot get resampling context\n");
2297 ost->original_height = icodec->height;
2298 ost->original_width = icodec->width;
2300 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2302 ost->resample_height = icodec->height;
2303 ost->resample_width = icodec->width;
2304 ost->resample_pix_fmt= icodec->pix_fmt;
2305 ost->encoding_needed = 1;
2306 ist->decoding_needed = 1;
2309 if (configure_filters(ist, ost)) {
2310 fprintf(stderr, "Error opening filters!\n");
2315 case AVMEDIA_TYPE_SUBTITLE:
2316 ost->encoding_needed = 1;
2317 ist->decoding_needed = 1;
2324 if (ost->encoding_needed &&
2325 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2326 char logfilename[1024];
2329 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2330 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2332 if (codec->flags & CODEC_FLAG_PASS1) {
2333 f = fopen(logfilename, "wb");
2335 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2341 size_t logbuffer_size;
2342 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2343 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2346 codec->stats_in = logbuffer;
2350 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2351 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2352 int size= codec->width * codec->height;
2353 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2358 bit_buffer = av_malloc(bit_buffer_size);
2360 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2362 ret = AVERROR(ENOMEM);
2366 /* open each encoder */
2367 for(i=0;i<nb_ostreams;i++) {
2369 if (ost->encoding_needed) {
2370 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2371 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2373 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2375 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2376 ost->st->codec->codec_id, ost->file_index, ost->index);
2377 ret = AVERROR(EINVAL);
2380 if (dec->subtitle_header) {
2381 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2382 if (!ost->st->codec->subtitle_header) {
2383 ret = AVERROR(ENOMEM);
2386 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2387 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2389 if (avcodec_open(ost->st->codec, codec) < 0) {
2390 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2391 ost->file_index, ost->index);
2392 ret = AVERROR(EINVAL);
2395 extra_size += ost->st->codec->extradata_size;
2399 /* open each decoder */
2400 for(i=0;i<nb_istreams;i++) {
2402 if (ist->decoding_needed) {
2403 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2405 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2407 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2408 ist->st->codec->codec_id, ist->file_index, ist->index);
2409 ret = AVERROR(EINVAL);
2412 if (avcodec_open(ist->st->codec, codec) < 0) {
2413 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2414 ist->file_index, ist->index);
2415 ret = AVERROR(EINVAL);
2418 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2419 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2424 for(i=0;i<nb_istreams;i++) {
2428 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2429 ist->next_pts = AV_NOPTS_VALUE;
2433 /* set meta data information from input file if required */
2434 for (i=0;i<nb_meta_data_maps;i++) {
2435 AVFormatContext *files[2];
2436 AVMetadata **meta[2];
2439 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2440 if ((index) < 0 || (index) >= (nb_elems)) {\
2441 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2443 ret = AVERROR(EINVAL);\
2447 int out_file_index = meta_data_maps[i][0].file;
2448 int in_file_index = meta_data_maps[i][1].file;
2449 if (in_file_index < 0 || out_file_index < 0)
2451 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2452 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2454 files[0] = output_files[out_file_index];
2455 files[1] = input_files[in_file_index];
2457 for (j = 0; j < 2; j++) {
2458 AVMetaDataMap *map = &meta_data_maps[i][j];
2460 switch (map->type) {
2462 meta[j] = &files[j]->metadata;
2465 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2466 meta[j] = &files[j]->streams[map->index]->metadata;
2469 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2470 meta[j] = &files[j]->chapters[map->index]->metadata;
2473 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2474 meta[j] = &files[j]->programs[map->index]->metadata;
2479 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2482 /* copy global metadata by default */
2483 if (metadata_global_autocopy) {
2485 for (i = 0; i < nb_output_files; i++)
2486 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2487 AV_METADATA_DONT_OVERWRITE);
2490 /* copy chapters according to chapter maps */
2491 for (i = 0; i < nb_chapter_maps; i++) {
2492 int infile = chapter_maps[i].in_file;
2493 int outfile = chapter_maps[i].out_file;
2495 if (infile < 0 || outfile < 0)
2497 if (infile >= nb_input_files) {
2498 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2499 ret = AVERROR(EINVAL);
2502 if (outfile >= nb_output_files) {
2503 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2504 ret = AVERROR(EINVAL);
2507 copy_chapters(infile, outfile);
2510 /* copy chapters from the first input file that has them*/
2511 if (!nb_chapter_maps)
2512 for (i = 0; i < nb_input_files; i++) {
2513 if (!input_files[i]->nb_chapters)
2516 for (j = 0; j < nb_output_files; j++)
2517 if ((ret = copy_chapters(i, j)) < 0)
2522 /* open files and write file headers */
2523 for(i=0;i<nb_output_files;i++) {
2524 os = output_files[i];
2525 if (av_write_header(os) < 0) {
2526 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2527 ret = AVERROR(EINVAL);
2530 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2536 /* dump the file output parameters - cannot be done before in case
2538 for(i=0;i<nb_output_files;i++) {
2539 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2542 /* dump the stream mapping */
2544 fprintf(stderr, "Stream mapping:\n");
2545 for(i=0;i<nb_ostreams;i++) {
2547 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2548 ist_table[ost->source_index]->file_index,
2549 ist_table[ost->source_index]->index,
2552 if (ost->sync_ist != ist_table[ost->source_index])
2553 fprintf(stderr, " [sync #%d.%d]",
2554 ost->sync_ist->file_index,
2555 ost->sync_ist->index);
2556 fprintf(stderr, "\n");
2561 fprintf(stderr, "%s\n", error);
2566 print_sdp(output_files, nb_output_files);
2571 fprintf(stderr, "Press [q] to stop encoding\n");
2572 url_set_interrupt_cb(decode_interrupt_cb);
2576 timer_start = av_gettime();
2578 for(; received_sigterm == 0;) {
2579 int file_index, ist_index;
2587 /* if 'q' pressed, exits */
2591 /* read_key() returns 0 on EOF */
2597 /* select the stream that we must read now by looking at the
2598 smallest output pts */
2600 for(i=0;i<nb_ostreams;i++) {
2603 os = output_files[ost->file_index];
2604 ist = ist_table[ost->source_index];
2605 if(ist->is_past_recording_time || no_packet[ist->file_index])
2607 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2608 ipts = (double)ist->pts;
2609 if (!file_table[ist->file_index].eof_reached){
2610 if(ipts < ipts_min) {
2612 if(input_sync ) file_index = ist->file_index;
2614 if(opts < opts_min) {
2616 if(!input_sync) file_index = ist->file_index;
2619 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2624 /* if none, if is finished */
2625 if (file_index < 0) {
2626 if(no_packet_count){
2628 memset(no_packet, 0, sizeof(no_packet));
2635 /* finish if limit size exhausted */
2636 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2639 /* read a frame from it and output it in the fifo */
2640 is = input_files[file_index];
2641 ret= av_read_frame(is, &pkt);
2642 if(ret == AVERROR(EAGAIN)){
2643 no_packet[file_index]=1;
2648 file_table[file_index].eof_reached = 1;
2656 memset(no_packet, 0, sizeof(no_packet));
2659 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2660 is->streams[pkt.stream_index]);
2662 /* the following test is needed in case new streams appear
2663 dynamically in stream : we ignore them */
2664 if (pkt.stream_index >= file_table[file_index].nb_streams)
2665 goto discard_packet;
2666 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2667 ist = ist_table[ist_index];
2669 goto discard_packet;
2671 if (pkt.dts != AV_NOPTS_VALUE)
2672 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2673 if (pkt.pts != AV_NOPTS_VALUE)
2674 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2676 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2677 && input_files_ts_scale[file_index][pkt.stream_index]){
2678 if(pkt.pts != AV_NOPTS_VALUE)
2679 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2680 if(pkt.dts != AV_NOPTS_VALUE)
2681 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2684 // 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);
2685 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2686 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2687 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2688 int64_t delta= pkt_dts - ist->next_pts;
2689 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2690 input_files_ts_offset[ist->file_index]-= delta;
2692 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2693 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2694 if(pkt.pts != AV_NOPTS_VALUE)
2695 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2699 /* finish if recording time exhausted */
2700 if (recording_time != INT64_MAX &&
2701 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2702 ist->is_past_recording_time = 1;
2703 goto discard_packet;
2706 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2707 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2710 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2711 ist->file_index, ist->index);
2714 av_free_packet(&pkt);
2719 av_free_packet(&pkt);
2721 /* dump report by using the output first video and audio streams */
2722 print_report(output_files, ost_table, nb_ostreams, 0);
2725 /* at the end of stream, we must flush the decoder buffers */
2726 for(i=0;i<nb_istreams;i++) {
2728 if (ist->decoding_needed) {
2729 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2735 /* write the trailer if needed and close file */
2736 for(i=0;i<nb_output_files;i++) {
2737 os = output_files[i];
2738 av_write_trailer(os);
2741 /* dump report by using the first video and audio streams */
2742 print_report(output_files, ost_table, nb_ostreams, 1);
2744 /* close each encoder */
2745 for(i=0;i<nb_ostreams;i++) {
2747 if (ost->encoding_needed) {
2748 av_freep(&ost->st->codec->stats_in);
2749 avcodec_close(ost->st->codec);
2752 avfilter_graph_free(&ost->graph);
2756 /* close each decoder */
2757 for(i=0;i<nb_istreams;i++) {
2759 if (ist->decoding_needed) {
2760 avcodec_close(ist->st->codec);
2768 av_freep(&bit_buffer);
2769 av_free(file_table);
2772 for(i=0;i<nb_istreams;i++) {
2779 for(i=0;i<nb_ostreams;i++) {
2782 if (ost->st->stream_copy)
2783 av_freep(&ost->st->codec->extradata);
2785 fclose(ost->logfile);
2786 ost->logfile = NULL;
2788 av_fifo_free(ost->fifo); /* works even if fifo is not
2789 initialized but set to zero */
2790 av_freep(&ost->st->codec->subtitle_header);
2791 av_free(ost->pict_tmp.data[0]);
2792 av_free(ost->forced_kf_pts);
2793 if (ost->video_resample)
2794 sws_freeContext(ost->img_resample_ctx);
2796 audio_resample_close(ost->resample);
2797 if (ost->reformat_ctx)
2798 av_audio_convert_free(ost->reformat_ctx);
2807 static void opt_format(const char *arg)
2809 last_asked_format = arg;
2812 static void opt_video_rc_override_string(const char *arg)
2814 video_rc_override_string = arg;
2817 static int opt_me_threshold(const char *opt, const char *arg)
2819 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2823 static int opt_verbose(const char *opt, const char *arg)
2825 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2829 static int opt_frame_rate(const char *opt, const char *arg)
2831 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2832 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2838 static int opt_bitrate(const char *opt, const char *arg)
2840 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2842 opt_default(opt, arg);
2844 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2845 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2850 static int opt_frame_crop(const char *opt, const char *arg)
2852 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2853 return AVERROR(EINVAL);
2856 static void opt_frame_size(const char *arg)
2858 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2859 fprintf(stderr, "Incorrect frame size\n");
2864 static int opt_pad(const char *opt, const char *arg) {
2865 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2869 static void opt_frame_pix_fmt(const char *arg)
2871 if (strcmp(arg, "list")) {
2872 frame_pix_fmt = av_get_pix_fmt(arg);
2873 if (frame_pix_fmt == PIX_FMT_NONE) {
2874 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2883 static void opt_frame_aspect_ratio(const char *arg)
2890 p = strchr(arg, ':');
2892 x = strtol(arg, &end, 10);
2894 y = strtol(end+1, &end, 10);
2896 ar = (double)x / (double)y;
2898 ar = strtod(arg, NULL);
2901 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2904 frame_aspect_ratio = ar;
2905 frame_aspect_ratio_override = 1;
2908 static int opt_metadata(const char *opt, const char *arg)
2910 char *mid= strchr(arg, '=');
2913 fprintf(stderr, "Missing =\n");
2918 av_metadata_set2(&metadata, arg, mid, 0);
2923 static void opt_qscale(const char *arg)
2925 video_qscale = atof(arg);
2926 if (video_qscale <= 0 ||
2927 video_qscale > 255) {
2928 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2933 static void opt_top_field_first(const char *arg)
2935 top_field_first= atoi(arg);
2938 static int opt_thread_count(const char *opt, const char *arg)
2940 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2943 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2948 static void opt_audio_sample_fmt(const char *arg)
2950 if (strcmp(arg, "list")) {
2951 audio_sample_fmt = av_get_sample_fmt(arg);
2952 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2953 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2959 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2960 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2965 static int opt_audio_rate(const char *opt, const char *arg)
2967 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2971 static int opt_audio_channels(const char *opt, const char *arg)
2973 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2977 static void opt_video_channel(const char *arg)
2979 video_channel = strtol(arg, NULL, 0);
2982 static void opt_video_standard(const char *arg)
2984 video_standard = av_strdup(arg);
2987 static void opt_codec(int *pstream_copy, char **pcodec_name,
2988 int codec_type, const char *arg)
2990 av_freep(pcodec_name);
2991 if (!strcmp(arg, "copy")) {
2994 *pcodec_name = av_strdup(arg);
2998 static void opt_audio_codec(const char *arg)
3000 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3003 static void opt_video_codec(const char *arg)
3005 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3008 static void opt_subtitle_codec(const char *arg)
3010 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3013 static int opt_codec_tag(const char *opt, const char *arg)
3016 uint32_t *codec_tag;
3018 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3019 !strcmp(opt, "vtag") ? &video_codec_tag :
3020 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3024 *codec_tag = strtol(arg, &tail, 0);
3026 *codec_tag = AV_RL32(arg);
3031 static void opt_map(const char *arg)
3036 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3037 m = &stream_maps[nb_stream_maps-1];
3039 m->file_index = strtol(arg, &p, 0);
3043 m->stream_index = strtol(p, &p, 0);
3046 m->sync_file_index = strtol(p, &p, 0);
3049 m->sync_stream_index = strtol(p, &p, 0);
3051 m->sync_file_index = m->file_index;
3052 m->sync_stream_index = m->stream_index;
3056 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3067 *index = strtol(++arg, endptr, 0);
3070 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3077 static void opt_map_metadata(const char *arg)
3079 AVMetaDataMap *m, *m1;
3082 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3083 &nb_meta_data_maps, nb_meta_data_maps + 1);
3085 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3086 m->file = strtol(arg, &p, 0);
3087 parse_meta_type(p, &m->type, &m->index, &p);
3091 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3092 m1->file = strtol(p, &p, 0);
3093 parse_meta_type(p, &m1->type, &m1->index, &p);
3095 if (m->type == 'g' || m1->type == 'g')
3096 metadata_global_autocopy = 0;
3097 if (m->type == 's' || m1->type == 's')
3098 metadata_streams_autocopy = 0;
3099 if (m->type == 'c' || m1->type == 'c')
3100 metadata_chapters_autocopy = 0;
3103 static void opt_map_meta_data(const char *arg)
3105 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3106 "Use -map_metadata instead.\n");
3107 opt_map_metadata(arg);
3110 static void opt_map_chapters(const char *arg)
3115 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3116 nb_chapter_maps + 1);
3117 c = &chapter_maps[nb_chapter_maps - 1];
3118 c->out_file = strtol(arg, &p, 0);
3122 c->in_file = strtol(p, &p, 0);
3125 static void opt_input_ts_scale(const char *arg)
3127 unsigned int stream;
3131 stream = strtol(arg, &p, 0);
3134 scale= strtod(p, &p);
3136 if(stream >= MAX_STREAMS)
3139 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
3140 input_files_ts_scale[nb_input_files][stream]= scale;
3143 static int opt_recording_time(const char *opt, const char *arg)
3145 recording_time = parse_time_or_die(opt, arg, 1);
3149 static int opt_start_time(const char *opt, const char *arg)
3151 start_time = parse_time_or_die(opt, arg, 1);
3155 static int opt_recording_timestamp(const char *opt, const char *arg)
3157 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3161 static int opt_input_ts_offset(const char *opt, const char *arg)
3163 input_ts_offset = parse_time_or_die(opt, arg, 1);
3167 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3169 const char *codec_string = encoder ? "encoder" : "decoder";
3173 return CODEC_ID_NONE;
3175 avcodec_find_encoder_by_name(name) :
3176 avcodec_find_decoder_by_name(name);
3178 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3181 if(codec->type != type) {
3182 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3185 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3186 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3187 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3188 "results.\nAdd '-strict experimental' if you want to use it.\n",
3189 codec_string, codec->name);
3191 avcodec_find_encoder(codec->id) :
3192 avcodec_find_decoder(codec->id);
3193 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3194 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3195 codec_string, codec->name);
3201 static void opt_input_file(const char *filename)
3203 AVFormatContext *ic;
3204 AVFormatParameters params, *ap = ¶ms;
3205 AVInputFormat *file_iformat = NULL;
3206 int err, i, ret, rfps, rfps_base;
3209 if (last_asked_format) {
3210 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3211 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3214 last_asked_format = NULL;
3217 if (!strcmp(filename, "-"))
3220 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3221 !strcmp(filename, "/dev/stdin");
3223 /* get default parameters from command line */
3224 ic = avformat_alloc_context();
3226 print_error(filename, AVERROR(ENOMEM));
3230 memset(ap, 0, sizeof(*ap));
3231 ap->prealloced_context = 1;
3232 ap->sample_rate = audio_sample_rate;
3233 ap->channels = audio_channels;
3234 ap->time_base.den = frame_rate.num;
3235 ap->time_base.num = frame_rate.den;
3236 ap->width = frame_width;
3237 ap->height = frame_height;
3238 ap->pix_fmt = frame_pix_fmt;
3239 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3240 ap->channel = video_channel;
3241 ap->standard = video_standard;
3243 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3245 ic->video_codec_id =
3246 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3247 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3248 ic->audio_codec_id =
3249 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3250 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3251 ic->subtitle_codec_id=
3252 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3253 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3254 ic->flags |= AVFMT_FLAG_NONBLOCK;
3256 /* open the input file with generic libav function */
3257 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3259 print_error(filename, err);
3265 for(i=0; i<ic->nb_streams; i++){
3266 ic->streams[i]->discard= AVDISCARD_ALL;
3268 for(i=0; i<ic->nb_programs; i++){
3269 AVProgram *p= ic->programs[i];
3270 if(p->id != opt_programid){
3271 p->discard = AVDISCARD_ALL;
3274 for(j=0; j<p->nb_stream_indexes; j++){
3275 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3280 fprintf(stderr, "Specified program id not found\n");
3286 ic->loop_input = loop_input;
3288 /* If not enough info to get the stream parameters, we decode the
3289 first frames to get it. (used in mpeg case for example) */
3290 ret = av_find_stream_info(ic);
3291 if (ret < 0 && verbose >= 0) {
3292 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3293 av_close_input_file(ic);
3297 timestamp = start_time;
3298 /* add the stream start time */
3299 if (ic->start_time != AV_NOPTS_VALUE)
3300 timestamp += ic->start_time;
3302 /* if seeking requested, we execute it */
3303 if (start_time != 0) {
3304 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3306 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3307 filename, (double)timestamp / AV_TIME_BASE);
3309 /* reset seek info */
3313 /* update the current parameters so that they match the one of the input stream */
3314 for(i=0;i<ic->nb_streams;i++) {
3315 AVStream *st = ic->streams[i];
3316 AVCodecContext *dec = st->codec;
3317 dec->thread_count = thread_count;
3318 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3319 switch (dec->codec_type) {
3320 case AVMEDIA_TYPE_AUDIO:
3321 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3322 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3323 //fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
3324 channel_layout = dec->channel_layout;
3325 audio_channels = dec->channels;
3326 audio_sample_rate = dec->sample_rate;
3327 audio_sample_fmt = dec->sample_fmt;
3329 st->discard= AVDISCARD_ALL;
3330 /* Note that av_find_stream_info can add more streams, and we
3331 * currently have no chance of setting up lowres decoding
3332 * early enough for them. */
3334 audio_sample_rate >>= dec->lowres;
3336 case AVMEDIA_TYPE_VIDEO:
3337 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3338 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3339 frame_height = dec->height;
3340 frame_width = dec->width;
3341 if(ic->streams[i]->sample_aspect_ratio.num)
3342 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3344 frame_aspect_ratio=av_q2d(dec->sample_aspect_ratio);
3345 frame_aspect_ratio *= (float) dec->width / dec->height;
3346 frame_aspect_ratio_override = 0;
3347 frame_pix_fmt = dec->pix_fmt;
3348 rfps = ic->streams[i]->r_frame_rate.num;
3349 rfps_base = ic->streams[i]->r_frame_rate.den;
3351 dec->flags |= CODEC_FLAG_EMU_EDGE;
3352 frame_height >>= dec->lowres;
3353 frame_width >>= dec->lowres;
3354 dec->height = frame_height;
3355 dec->width = frame_width;
3358 dec->debug |= FF_DEBUG_MV;
3360 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3363 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3364 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3366 (float)rfps / rfps_base, rfps, rfps_base);
3368 /* update the current frame rate to match the stream frame rate */
3369 frame_rate.num = rfps;
3370 frame_rate.den = rfps_base;
3373 st->discard= AVDISCARD_ALL;
3374 else if(video_discard)
3375 st->discard= video_discard;
3377 case AVMEDIA_TYPE_DATA:
3379 case AVMEDIA_TYPE_SUBTITLE:
3380 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3381 if(subtitle_disable)
3382 st->discard = AVDISCARD_ALL;
3384 case AVMEDIA_TYPE_ATTACHMENT:
3385 case AVMEDIA_TYPE_UNKNOWN:
3392 input_files[nb_input_files] = ic;
3393 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3394 /* dump the file content */
3396 av_dump_format(ic, nb_input_files, filename, 0);
3402 av_freep(&video_codec_name);
3403 av_freep(&audio_codec_name);
3404 av_freep(&subtitle_codec_name);
3407 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3408 int *has_subtitle_ptr)
3410 int has_video, has_audio, has_subtitle, i, j;
3411 AVFormatContext *ic;
3416 for(j=0;j<nb_input_files;j++) {
3417 ic = input_files[j];
3418 for(i=0;i<ic->nb_streams;i++) {
3419 AVCodecContext *enc = ic->streams[i]->codec;
3420 switch(enc->codec_type) {
3421 case AVMEDIA_TYPE_AUDIO:
3424 case AVMEDIA_TYPE_VIDEO:
3427 case AVMEDIA_TYPE_SUBTITLE:
3430 case AVMEDIA_TYPE_DATA:
3431 case AVMEDIA_TYPE_ATTACHMENT:
3432 case AVMEDIA_TYPE_UNKNOWN:
3439 *has_video_ptr = has_video;
3440 *has_audio_ptr = has_audio;
3441 *has_subtitle_ptr = has_subtitle;
3444 static void new_video_stream(AVFormatContext *oc, int file_idx)
3447 AVOutputStream *ost;
3448 AVCodecContext *video_enc;
3449 enum CodecID codec_id = CODEC_ID_NONE;
3450 AVCodec *codec= NULL;
3453 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3455 fprintf(stderr, "Could not alloc stream\n");
3458 ost = new_output_stream(oc, file_idx);
3460 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3461 if(!video_stream_copy){
3462 if (video_codec_name) {
3463 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3464 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3465 codec = avcodec_find_encoder_by_name(video_codec_name);
3466 output_codecs[nb_output_codecs-1] = codec;
3468 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3469 codec = avcodec_find_encoder(codec_id);
3472 if(frame_aspect_ratio_override){
3473 i = vfilters ? strlen(vfilters) : 0;
3474 vfilters = av_realloc(vfilters, i+100);
3475 snprintf(vfilters+i, 100, "%csetdar=%f\n", i?',':' ', frame_aspect_ratio);
3476 frame_aspect_ratio=0;
3477 frame_aspect_ratio_override=0;
3480 ost->avfilter= vfilters;
3485 avcodec_get_context_defaults3(st->codec, codec);
3486 ost->bitstream_filters = video_bitstream_filters;
3487 video_bitstream_filters= NULL;
3489 st->codec->thread_count= thread_count;
3491 video_enc = st->codec;
3494 video_enc->codec_tag= video_codec_tag;
3496 if( (video_global_header&1)
3497 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3498 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3499 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3501 if(video_global_header&2){
3502 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3503 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3506 if (video_stream_copy) {
3507 st->stream_copy = 1;
3508 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3509 video_enc->sample_aspect_ratio =
3510 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3514 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3516 video_enc->codec_id = codec_id;
3517 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3519 if (codec && codec->supported_framerates && !force_fps)
3520 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3521 video_enc->time_base.den = fps.num;
3522 video_enc->time_base.num = fps.den;
3524 video_enc->width = frame_width;
3525 video_enc->height = frame_height;
3526 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3527 video_enc->pix_fmt = frame_pix_fmt;
3528 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3529 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3531 choose_pixel_fmt(st, codec);
3534 video_enc->gop_size = 0;
3535 if (video_qscale || same_quality) {
3536 video_enc->flags |= CODEC_FLAG_QSCALE;
3537 video_enc->global_quality=
3538 st->quality = FF_QP2LAMBDA * video_qscale;
3542 video_enc->intra_matrix = intra_matrix;
3544 video_enc->inter_matrix = inter_matrix;
3546 p= video_rc_override_string;
3549 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3551 fprintf(stderr, "error parsing rc_override\n");
3554 video_enc->rc_override=
3555 av_realloc(video_enc->rc_override,
3556 sizeof(RcOverride)*(i+1));
3557 video_enc->rc_override[i].start_frame= start;
3558 video_enc->rc_override[i].end_frame = end;
3560 video_enc->rc_override[i].qscale= q;
3561 video_enc->rc_override[i].quality_factor= 1.0;
3564 video_enc->rc_override[i].qscale= 0;
3565 video_enc->rc_override[i].quality_factor= -q/100.0;
3570 video_enc->rc_override_count=i;
3571 if (!video_enc->rc_initial_buffer_occupancy)
3572 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3573 video_enc->me_threshold= me_threshold;
3574 video_enc->intra_dc_precision= intra_dc_precision - 8;
3577 video_enc->flags|= CODEC_FLAG_PSNR;
3582 video_enc->flags |= CODEC_FLAG_PASS1;
3584 video_enc->flags |= CODEC_FLAG_PASS2;
3588 if (forced_key_frames)
3589 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3591 if (video_language) {
3592 av_metadata_set2(&st->metadata, "language", video_language, 0);
3593 av_freep(&video_language);
3596 /* reset some key parameters */
3598 av_freep(&video_codec_name);
3599 av_freep(&forced_key_frames);
3600 video_stream_copy = 0;
3601 frame_pix_fmt = PIX_FMT_NONE;
3604 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3607 AVOutputStream *ost;
3608 AVCodec *codec= NULL;
3609 AVCodecContext *audio_enc;
3610 enum CodecID codec_id = CODEC_ID_NONE;
3612 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3614 fprintf(stderr, "Could not alloc stream\n");
3617 ost = new_output_stream(oc, file_idx);
3619 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3620 if(!audio_stream_copy){
3621 if (audio_codec_name) {
3622 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3623 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3624 codec = avcodec_find_encoder_by_name(audio_codec_name);
3625 output_codecs[nb_output_codecs-1] = codec;
3627 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3628 codec = avcodec_find_encoder(codec_id);
3632 avcodec_get_context_defaults3(st->codec, codec);
3634 ost->bitstream_filters = audio_bitstream_filters;
3635 audio_bitstream_filters= NULL;
3637 st->codec->thread_count= thread_count;
3639 audio_enc = st->codec;
3640 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3643 audio_enc->codec_tag= audio_codec_tag;
3645 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3646 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3647 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3649 if (audio_stream_copy) {
3650 st->stream_copy = 1;
3651 audio_enc->channels = audio_channels;
3652 audio_enc->sample_rate = audio_sample_rate;
3654 audio_enc->codec_id = codec_id;
3655 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3657 if (audio_qscale > QSCALE_NONE) {
3658 audio_enc->flags |= CODEC_FLAG_QSCALE;
3659 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3661 audio_enc->channels = audio_channels;
3662 audio_enc->sample_fmt = audio_sample_fmt;
3663 audio_enc->sample_rate = audio_sample_rate;
3664 audio_enc->channel_layout = channel_layout;
3665 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3666 audio_enc->channel_layout = 0;
3667 choose_sample_fmt(st, codec);
3668 choose_sample_rate(st, codec);
3670 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3671 if (audio_language) {
3672 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3673 av_freep(&audio_language);
3676 /* reset some key parameters */
3678 av_freep(&audio_codec_name);
3679 audio_stream_copy = 0;
3682 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3685 AVOutputStream *ost;
3686 AVCodec *codec=NULL;
3687 AVCodecContext *subtitle_enc;
3688 enum CodecID codec_id = CODEC_ID_NONE;
3690 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3692 fprintf(stderr, "Could not alloc stream\n");
3695 ost = new_output_stream(oc, file_idx);
3696 subtitle_enc = st->codec;
3697 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3698 if(!subtitle_stream_copy){
3699 if (subtitle_codec_name) {
3700 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3701 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3702 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3704 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3705 codec = avcodec_find_encoder(codec_id);
3708 avcodec_get_context_defaults3(st->codec, codec);
3710 ost->bitstream_filters = subtitle_bitstream_filters;
3711 subtitle_bitstream_filters= NULL;
3713 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3715 if(subtitle_codec_tag)
3716 subtitle_enc->codec_tag= subtitle_codec_tag;
3718 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3719 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3720 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3722 if (subtitle_stream_copy) {
3723 st->stream_copy = 1;
3725 subtitle_enc->codec_id = codec_id;
3726 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3729 if (subtitle_language) {
3730 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3731 av_freep(&subtitle_language);
3734 subtitle_disable = 0;
3735 av_freep(&subtitle_codec_name);
3736 subtitle_stream_copy = 0;
3739 static int opt_new_stream(const char *opt, const char *arg)
3741 AVFormatContext *oc;
3742 int file_idx = nb_output_files - 1;
3743 if (nb_output_files <= 0) {
3744 fprintf(stderr, "At least one output file must be specified\n");
3747 oc = output_files[file_idx];
3749 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3750 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3751 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3756 /* arg format is "output-stream-index:streamid-value". */
3757 static int opt_streamid(const char *opt, const char *arg)
3763 strncpy(idx_str, arg, sizeof(idx_str));
3764 idx_str[sizeof(idx_str)-1] = '\0';
3765 p = strchr(idx_str, ':');
3768 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3773 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3774 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3775 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3779 static void opt_output_file(const char *filename)
3781 AVFormatContext *oc;
3782 int err, use_video, use_audio, use_subtitle;
3783 int input_has_video, input_has_audio, input_has_subtitle;
3784 AVFormatParameters params, *ap = ¶ms;
3785 AVOutputFormat *file_oformat;
3787 if (!strcmp(filename, "-"))
3790 oc = avformat_alloc_context();
3792 print_error(filename, AVERROR(ENOMEM));
3796 if (last_asked_format) {
3797 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3798 if (!file_oformat) {
3799 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3802 last_asked_format = NULL;
3804 file_oformat = av_guess_format(NULL, filename, NULL);
3805 if (!file_oformat) {
3806 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3812 oc->oformat = file_oformat;
3813 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3815 if (!strcmp(file_oformat->name, "ffm") &&
3816 av_strstart(filename, "http:", NULL)) {
3817 /* special case for files sent to ffserver: we get the stream
3818 parameters from ffserver */
3819 int err = read_ffserver_streams(oc, filename);
3821 print_error(filename, err);
3825 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3826 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3827 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3829 /* disable if no corresponding type found and at least one
3831 if (nb_input_files > 0) {
3832 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3833 &input_has_subtitle);
3834 if (!input_has_video)
3836 if (!input_has_audio)
3838 if (!input_has_subtitle)
3842 /* manual disable */
3843 if (audio_disable) use_audio = 0;
3844 if (video_disable) use_video = 0;
3845 if (subtitle_disable) use_subtitle = 0;
3847 if (use_video) new_video_stream(oc, nb_output_files);
3848 if (use_audio) new_audio_stream(oc, nb_output_files);
3849 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3851 oc->timestamp = recording_timestamp;
3853 av_metadata_copy(&oc->metadata, metadata, 0);
3854 av_metadata_free(&metadata);
3857 output_files[nb_output_files++] = oc;
3859 /* check filename in case of an image number is expected */
3860 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3861 if (!av_filename_number_test(oc->filename)) {
3862 print_error(oc->filename, AVERROR_NUMEXPECTED);
3867 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3868 /* test if it already exists to avoid loosing precious files */
3869 if (!file_overwrite &&
3870 (strchr(filename, ':') == NULL ||
3871 filename[1] == ':' ||
3872 av_strstart(filename, "file:", NULL))) {
3873 if (url_exist(filename)) {
3875 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3877 if (!read_yesno()) {
3878 fprintf(stderr, "Not overwriting - exiting\n");
3883 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3890 if ((err = avio_open(&oc->pb, filename, URL_WRONLY)) < 0) {
3891 print_error(filename, err);
3896 memset(ap, 0, sizeof(*ap));
3897 if (av_set_parameters(oc, ap) < 0) {
3898 fprintf(stderr, "%s: Invalid encoding parameters\n",
3903 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3904 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3905 oc->loop_output = loop_output;
3907 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3909 av_freep(&forced_key_frames);
3912 /* same option as mencoder */
3913 static void opt_pass(const char *pass_str)
3916 pass = atoi(pass_str);
3917 if (pass != 1 && pass != 2) {
3918 fprintf(stderr, "pass number can be only 1 or 2\n");
3924 static int64_t getutime(void)
3927 struct rusage rusage;
3929 getrusage(RUSAGE_SELF, &rusage);
3930 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3931 #elif HAVE_GETPROCESSTIMES
3933 FILETIME c, e, k, u;
3934 proc = GetCurrentProcess();
3935 GetProcessTimes(proc, &c, &e, &k, &u);
3936 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3938 return av_gettime();
3942 static int64_t getmaxrss(void)
3944 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3945 struct rusage rusage;
3946 getrusage(RUSAGE_SELF, &rusage);
3947 return (int64_t)rusage.ru_maxrss * 1024;
3948 #elif HAVE_GETPROCESSMEMORYINFO
3950 PROCESS_MEMORY_COUNTERS memcounters;
3951 proc = GetCurrentProcess();
3952 memcounters.cb = sizeof(memcounters);
3953 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3954 return memcounters.PeakPagefileUsage;
3960 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3963 const char *p = str;
3970 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3977 static void opt_inter_matrix(const char *arg)
3979 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3980 parse_matrix_coeffs(inter_matrix, arg);
3983 static void opt_intra_matrix(const char *arg)
3985 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3986 parse_matrix_coeffs(intra_matrix, arg);
3989 static void show_usage(void)
3991 printf("Hyper fast Audio and Video encoder\n");
3992 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3996 static void show_help(void)
3999 AVOutputFormat *oformat = NULL;
4001 av_log_set_callback(log_callback_help);
4003 show_help_options(options, "Main options:\n",
4004 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4005 show_help_options(options, "\nAdvanced options:\n",
4006 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4008 show_help_options(options, "\nVideo options:\n",
4009 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4011 show_help_options(options, "\nAdvanced Video options:\n",
4012 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4013 OPT_VIDEO | OPT_EXPERT);
4014 show_help_options(options, "\nAudio options:\n",
4015 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4017 show_help_options(options, "\nAdvanced Audio options:\n",
4018 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4019 OPT_AUDIO | OPT_EXPERT);
4020 show_help_options(options, "\nSubtitle options:\n",
4021 OPT_SUBTITLE | OPT_GRAB,
4023 show_help_options(options, "\nAudio/Video grab options:\n",
4027 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4030 /* individual codec options */
4032 while ((c = av_codec_next(c))) {
4033 if (c->priv_class) {
4034 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4039 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4042 /* individual muxer options */
4043 while ((oformat = av_oformat_next(oformat))) {
4044 if (oformat->priv_class) {
4045 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4050 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4053 static void opt_target(const char *arg)
4055 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4056 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4058 if(!strncmp(arg, "pal-", 4)) {
4061 } else if(!strncmp(arg, "ntsc-", 5)) {
4064 } else if(!strncmp(arg, "film-", 5)) {
4069 /* Calculate FR via float to avoid int overflow */
4070 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4073 } else if((fr == 29970) || (fr == 23976)) {
4076 /* Try to determine PAL/NTSC by peeking in the input files */
4077 if(nb_input_files) {
4079 for(j = 0; j < nb_input_files; j++) {
4080 for(i = 0; i < input_files[j]->nb_streams; i++) {
4081 AVCodecContext *c = input_files[j]->streams[i]->codec;
4082 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4084 fr = c->time_base.den * 1000 / c->time_base.num;
4088 } else if((fr == 29970) || (fr == 23976)) {
4098 if(verbose && norm != UNKNOWN)
4099 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4102 if(norm == UNKNOWN) {
4103 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4104 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4105 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4109 if(!strcmp(arg, "vcd")) {
4111 opt_video_codec("mpeg1video");
4112 opt_audio_codec("mp2");
4115 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4116 opt_frame_rate(NULL, frame_rates[norm]);
4117 opt_default("g", norm == PAL ? "15" : "18");
4119 opt_default("b", "1150000");
4120 opt_default("maxrate", "1150000");
4121 opt_default("minrate", "1150000");
4122 opt_default("bufsize", "327680"); // 40*1024*8;
4124 opt_default("ab", "224000");
4125 audio_sample_rate = 44100;
4128 opt_default("packetsize", "2324");
4129 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4131 /* We have to offset the PTS, so that it is consistent with the SCR.
4132 SCR starts at 36000, but the first two packs contain only padding
4133 and the first pack from the other stream, respectively, may also have
4134 been written before.
4135 So the real data starts at SCR 36000+3*1200. */
4136 mux_preload= (36000+3*1200) / 90000.0; //0.44
4137 } else if(!strcmp(arg, "svcd")) {
4139 opt_video_codec("mpeg2video");
4140 opt_audio_codec("mp2");
4143 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4144 opt_frame_rate(NULL, frame_rates[norm]);
4145 opt_default("g", norm == PAL ? "15" : "18");
4147 opt_default("b", "2040000");
4148 opt_default("maxrate", "2516000");
4149 opt_default("minrate", "0"); //1145000;
4150 opt_default("bufsize", "1835008"); //224*1024*8;
4151 opt_default("flags", "+scan_offset");
4154 opt_default("ab", "224000");
4155 audio_sample_rate = 44100;
4157 opt_default("packetsize", "2324");
4159 } else if(!strcmp(arg, "dvd")) {
4161 opt_video_codec("mpeg2video");
4162 opt_audio_codec("ac3");
4165 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4166 opt_frame_rate(NULL, frame_rates[norm]);
4167 opt_default("g", norm == PAL ? "15" : "18");
4169 opt_default("b", "6000000");
4170 opt_default("maxrate", "9000000");
4171 opt_default("minrate", "0"); //1500000;
4172 opt_default("bufsize", "1835008"); //224*1024*8;
4174 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4175 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4177 opt_default("ab", "448000");
4178 audio_sample_rate = 48000;
4180 } else if(!strncmp(arg, "dv", 2)) {
4184 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4185 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4186 (norm == PAL ? "yuv420p" : "yuv411p"));
4187 opt_frame_rate(NULL, frame_rates[norm]);
4189 audio_sample_rate = 48000;
4193 fprintf(stderr, "Unknown target: %s\n", arg);
4198 static void opt_vstats_file (const char *arg)
4200 av_free (vstats_filename);
4201 vstats_filename=av_strdup (arg);
4204 static void opt_vstats (void)
4207 time_t today2 = time(NULL);
4208 struct tm *today = localtime(&today2);
4210 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4212 opt_vstats_file(filename);
4215 static int opt_bsf(const char *opt, const char *arg)
4217 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4218 AVBitStreamFilterContext **bsfp;
4221 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4225 bsfp= *opt == 'v' ? &video_bitstream_filters :
4226 *opt == 'a' ? &audio_bitstream_filters :
4227 &subtitle_bitstream_filters;
4229 bsfp= &(*bsfp)->next;
4236 static int opt_preset(const char *opt, const char *arg)
4239 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4240 char *codec_name = *opt == 'v' ? video_codec_name :
4241 *opt == 'a' ? audio_codec_name :
4242 subtitle_codec_name;
4244 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4245 fprintf(stderr, "File for preset '%s' not found\n", arg);
4250 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4251 if(line[0] == '#' && !e)
4253 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4255 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4258 if(!strcmp(tmp, "acodec")){
4259 opt_audio_codec(tmp2);
4260 }else if(!strcmp(tmp, "vcodec")){
4261 opt_video_codec(tmp2);
4262 }else if(!strcmp(tmp, "scodec")){
4263 opt_subtitle_codec(tmp2);
4264 }else if(opt_default(tmp, tmp2) < 0){
4265 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4275 static const OptionDef options[] = {
4277 #include "cmdutils_common_opts.h"
4278 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4279 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4280 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4281 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4282 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4283 "outfile[,metadata]:infile[,metadata]" },
4284 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4285 "outfile[,metadata]:infile[,metadata]" },
4286 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4287 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4288 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4289 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4290 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4291 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4292 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4293 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4294 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4295 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4296 "add timings for benchmarking" },
4297 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4298 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4299 "dump each input packet" },
4300 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4301 "when dumping packets, also dump the payload" },
4302 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4303 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4304 { "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)", "" },
4305 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4306 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4307 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4308 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4309 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4310 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4311 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4312 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4313 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4314 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4315 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4316 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4317 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4318 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4321 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4322 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4323 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4324 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4325 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4326 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4327 { "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" },
4328 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4329 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4330 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4331 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4332 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4333 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4334 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4335 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4336 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4337 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4338 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4339 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4340 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4341 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4342 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4343 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4344 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4345 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4346 "use same quantizer as source (implies VBR)" },
4347 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4348 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4349 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4350 "deinterlace pictures" },
4351 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4352 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4353 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4355 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4357 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4358 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4359 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4360 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4361 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4362 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4363 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4364 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4365 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4366 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4367 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4370 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4371 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4372 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4373 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4374 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4375 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4376 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4377 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4378 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4379 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4380 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4381 { "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" },
4383 /* subtitle options */
4384 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4385 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4386 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4387 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4388 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4391 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4392 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4393 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4396 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4397 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4399 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4400 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4401 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4403 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4404 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4405 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4406 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4408 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4412 int main(int argc, char **argv)
4416 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4418 avcodec_register_all();
4420 avdevice_register_all();
4423 avfilter_register_all();
4428 if(isatty(STDIN_FILENO))
4429 url_set_interrupt_cb(decode_interrupt_cb);
4437 parse_options(argc, argv, options, opt_output_file);
4439 if(nb_output_files <= 0 && nb_input_files == 0) {
4441 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4445 /* file converter / grab */
4446 if (nb_output_files <= 0) {
4447 fprintf(stderr, "At least one output file must be specified\n");
4451 if (nb_input_files == 0) {
4452 fprintf(stderr, "At least one input file must be specified\n");
4457 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4458 stream_maps, nb_stream_maps) < 0)
4460 ti = getutime() - ti;
4462 int maxrss = getmaxrss() / 1024;
4463 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4466 return ffmpeg_exit(0);