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 "libavutil/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"
50 #include "libavformat/ffm.h" // not public API
53 # include "libavfilter/avcodec.h"
54 # include "libavfilter/avfilter.h"
55 # include "libavfilter/avfiltergraph.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct AVStreamMap {
97 int sync_stream_index;
101 * select an input file for an output file
103 typedef struct AVMetaDataMap {
104 int file; //< file index
105 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
106 int index; //< stream/chapter/program number
109 typedef struct AVChapterMap {
114 static const OptionDef options[];
116 #define MAX_FILES 100
117 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
119 static const char *last_asked_format = NULL;
120 static AVFormatContext *input_files[MAX_FILES];
121 static int64_t input_files_ts_offset[MAX_FILES];
122 static double *input_files_ts_scale[MAX_FILES] = {NULL};
123 static AVCodec **input_codecs = NULL;
124 static int nb_input_files = 0;
125 static int nb_input_codecs = 0;
126 static int nb_input_files_ts_scale[MAX_FILES] = {0};
128 static AVFormatContext *output_files[MAX_FILES];
129 static AVCodec **output_codecs = NULL;
130 static int nb_output_files = 0;
131 static int nb_output_codecs = 0;
133 static AVStreamMap *stream_maps = NULL;
134 static int nb_stream_maps;
136 /* first item specifies output metadata, second is input */
137 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
138 static int nb_meta_data_maps;
139 static int metadata_global_autocopy = 1;
140 static int metadata_streams_autocopy = 1;
141 static int metadata_chapters_autocopy = 1;
143 static AVChapterMap *chapter_maps = NULL;
144 static int nb_chapter_maps;
146 /* indexed by output file stream index */
147 static int *streamid_map = NULL;
148 static int nb_streamid_map = 0;
150 static int frame_width = 0;
151 static int frame_height = 0;
152 static float frame_aspect_ratio = 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 int data_disable = 0;
198 static char *data_codec_name = NULL;
199 static unsigned int data_codec_tag = 0;
201 static float mux_preload= 0.5;
202 static float mux_max_delay= 0.7;
204 static int64_t recording_time = INT64_MAX;
205 static int64_t start_time = 0;
206 static int64_t recording_timestamp = 0;
207 static int64_t input_ts_offset = 0;
208 static int file_overwrite = 0;
209 static AVMetadata *metadata;
210 static int do_benchmark = 0;
211 static int do_hex_dump = 0;
212 static int do_pkt_dump = 0;
213 static int do_psnr = 0;
214 static int do_pass = 0;
215 static const char *pass_logfilename_prefix;
216 static int audio_stream_copy = 0;
217 static int video_stream_copy = 0;
218 static int subtitle_stream_copy = 0;
219 static int data_stream_copy = 0;
220 static int video_sync_method= -1;
221 static int audio_sync_method= 0;
222 static float audio_drift_threshold= 0.1;
223 static int copy_ts= 0;
225 static int opt_shortest = 0;
226 static int video_global_header = 0;
227 static char *vstats_filename;
228 static FILE *vstats_file;
229 static int opt_programid = 0;
230 static int copy_initial_nonkeyframes = 0;
232 static int rate_emu = 0;
234 static int video_channel = 0;
235 static char *video_standard;
237 static int audio_volume = 256;
239 static int exit_on_error = 0;
240 static int using_stdin = 0;
241 static int verbose = 1;
242 static int run_as_daemon = 0;
243 static int thread_count= 1;
244 static int q_pressed = 0;
245 static int64_t video_size = 0;
246 static int64_t audio_size = 0;
247 static int64_t extra_size = 0;
248 static int nb_frames_dup = 0;
249 static int nb_frames_drop = 0;
250 static int input_sync;
251 static uint64_t limit_filesize = 0;
252 static int force_fps = 0;
253 static char *forced_key_frames = NULL;
255 static float dts_delta_threshold = 10;
257 static int64_t timer_start;
259 static uint8_t *audio_buf;
260 static uint8_t *audio_out;
261 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
263 static short *samples;
265 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
266 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
267 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
269 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
271 struct AVInputStream;
273 typedef struct AVOutputStream {
274 int file_index; /* file index */
275 int index; /* stream index in the output file */
276 int source_index; /* AVInputStream index */
277 AVStream *st; /* stream in the output file */
278 int encoding_needed; /* true if encoding needed for this stream */
280 /* input pts and corresponding output pts
282 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
283 struct AVInputStream *sync_ist; /* input stream to sync against */
284 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
285 AVBitStreamFilterContext *bitstream_filters;
288 AVFrame resample_frame; /* temporary frame for image resampling */
289 struct SwsContext *img_resample_ctx; /* for image resampling */
292 int resample_pix_fmt;
294 float frame_aspect_ratio;
296 /* forced key frames */
297 int64_t *forced_kf_pts;
303 ReSampleContext *resample; /* for audio resampling */
304 int resample_sample_fmt;
305 int resample_channels;
306 int resample_sample_rate;
308 AVAudioConvert *reformat_ctx;
309 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
313 AVFilterContext *output_video_filter;
314 AVFilterContext *input_video_filter;
315 AVFilterBufferRef *picref;
317 AVFilterGraph *graph;
321 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
322 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
324 typedef struct AVInputStream {
328 int discard; /* true if stream data should be discarded */
329 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
330 int64_t sample_index; /* current sample */
332 int64_t start; /* time when read started */
333 int64_t next_pts; /* synthetic pts for cases where pkt.pts
335 int64_t pts; /* current pts */
336 int is_start; /* is 1 at the start and after a discontinuity */
337 int showed_multi_packet_warning;
338 int is_past_recording_time;
340 AVFrame *filter_frame;
341 int has_filter_frame;
345 typedef struct AVInputFile {
346 int eof_reached; /* true if eof reached */
347 int ist_index; /* index of first stream in ist_table */
348 int buffer_size; /* current total buffer size */
349 int nb_streams; /* nb streams we are aware of */
354 /* init terminal so that we can grab keys */
355 static struct termios oldtty;
360 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
362 AVFilterContext *last_filter, *filter;
363 /** filter graph containing all filters including input & output */
364 AVCodecContext *codec = ost->st->codec;
365 AVCodecContext *icodec = ist->st->codec;
366 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
367 AVRational sample_aspect_ratio;
371 ost->graph = avfilter_graph_alloc();
373 if (ist->st->sample_aspect_ratio.num){
374 sample_aspect_ratio = ist->st->sample_aspect_ratio;
376 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
378 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
379 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
380 sample_aspect_ratio.num, sample_aspect_ratio.den);
382 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
383 "src", args, NULL, ost->graph);
386 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
387 "out", NULL, &ffsink_ctx, ost->graph);
390 last_filter = ost->input_video_filter;
392 if (codec->width != icodec->width || codec->height != icodec->height) {
393 snprintf(args, 255, "%d:%d:flags=0x%X",
396 (int)av_get_int(sws_opts, "sws_flags", NULL));
397 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
398 NULL, args, NULL, ost->graph)) < 0)
400 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
402 last_filter = filter;
405 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
406 ost->graph->scale_sws_opts = av_strdup(args);
409 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
410 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
412 outputs->name = av_strdup("in");
413 outputs->filter_ctx = last_filter;
414 outputs->pad_idx = 0;
415 outputs->next = NULL;
417 inputs->name = av_strdup("out");
418 inputs->filter_ctx = ost->output_video_filter;
422 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
424 av_freep(&ost->avfilter);
426 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
430 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
433 codec->width = ost->output_video_filter->inputs[0]->w;
434 codec->height = ost->output_video_filter->inputs[0]->h;
435 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
436 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
437 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
438 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
442 #endif /* CONFIG_AVFILTER */
444 static void term_exit(void)
446 av_log(NULL, AV_LOG_QUIET, "");
449 tcsetattr (0, TCSANOW, &oldtty);
453 static volatile int received_sigterm = 0;
456 sigterm_handler(int sig)
458 received_sigterm = sig;
463 static void term_init(void)
473 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
474 |INLCR|IGNCR|ICRNL|IXON);
475 tty.c_oflag |= OPOST;
476 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
477 tty.c_cflag &= ~(CSIZE|PARENB);
482 tcsetattr (0, TCSANOW, &tty);
483 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
487 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
488 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
490 signal(SIGXCPU, sigterm_handler);
494 /* read a key without blocking */
495 static int read_key(void)
510 n = select(1, &rfds, NULL, NULL, &tv);
525 static int decode_interrupt_cb(void)
527 q_pressed += read_key() == 'q';
528 return q_pressed > 1;
531 static int ffmpeg_exit(int ret)
536 for(i=0;i<nb_output_files;i++) {
537 AVFormatContext *s = output_files[i];
538 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
540 avformat_free_context(s);
541 av_free(output_streams_for_file[i]);
543 for(i=0;i<nb_input_files;i++) {
544 av_close_input_file(input_files[i]);
545 av_free(input_files_ts_scale[i]);
548 av_free(intra_matrix);
549 av_free(inter_matrix);
553 av_free(vstats_filename);
555 av_free(streamid_map);
556 av_free(input_codecs);
557 av_free(output_codecs);
558 av_free(stream_maps);
559 av_free(meta_data_maps);
561 av_free(video_codec_name);
562 av_free(audio_codec_name);
563 av_free(subtitle_codec_name);
564 av_free(data_codec_name);
566 av_free(video_standard);
571 allocated_audio_buf_size= allocated_audio_out_size= 0;
578 if (received_sigterm) {
580 "Received signal %d: terminating.\n",
581 (int) received_sigterm);
585 exit(ret); /* not all OS-es handle main() return value */
589 /* similar to ff_dynarray_add() and av_fast_realloc() */
590 static void *grow_array(void *array, int elem_size, int *size, int new_size)
592 if (new_size >= INT_MAX / elem_size) {
593 fprintf(stderr, "Array too big.\n");
596 if (*size < new_size) {
597 uint8_t *tmp = av_realloc(array, new_size*elem_size);
599 fprintf(stderr, "Could not alloc buffer.\n");
602 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
609 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
611 if(codec && codec->sample_fmts){
612 const enum AVSampleFormat *p= codec->sample_fmts;
614 if(*p == st->codec->sample_fmt)
618 av_log(NULL, AV_LOG_WARNING,
619 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
620 av_get_sample_fmt_name(st->codec->sample_fmt),
622 av_get_sample_fmt_name(codec->sample_fmts[0]));
623 st->codec->sample_fmt = codec->sample_fmts[0];
628 static void choose_sample_rate(AVStream *st, AVCodec *codec)
630 if(codec && codec->supported_samplerates){
631 const int *p= codec->supported_samplerates;
633 int best_dist=INT_MAX;
635 int dist= abs(st->codec->sample_rate - *p);
636 if(dist < best_dist){
642 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
644 st->codec->sample_rate= best;
648 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
650 if(codec && codec->pix_fmts){
651 const enum PixelFormat *p= codec->pix_fmts;
652 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
653 if(st->codec->codec_id==CODEC_ID_MJPEG){
654 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
655 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
656 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};
660 if(*p == st->codec->pix_fmt)
664 if(st->codec->pix_fmt != PIX_FMT_NONE)
665 av_log(NULL, AV_LOG_WARNING,
666 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
667 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
669 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
670 st->codec->pix_fmt = codec->pix_fmts[0];
675 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
677 int idx = oc->nb_streams - 1;
680 output_streams_for_file[file_idx] =
681 grow_array(output_streams_for_file[file_idx],
682 sizeof(*output_streams_for_file[file_idx]),
683 &nb_output_streams_for_file[file_idx],
685 ost = output_streams_for_file[file_idx][idx] =
686 av_mallocz(sizeof(AVOutputStream));
688 fprintf(stderr, "Could not alloc output stream\n");
691 ost->file_index = file_idx;
696 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
702 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
705 /* copy stream format */
707 for(i=0;i<ic->nb_streams;i++) {
713 // FIXME: a more elegant solution is needed
714 st = av_mallocz(sizeof(AVStream));
715 memcpy(st, ic->streams[i], sizeof(AVStream));
716 st->codec = avcodec_alloc_context();
718 print_error(filename, AVERROR(ENOMEM));
721 avcodec_copy_context(st->codec, ic->streams[i]->codec);
724 codec = avcodec_find_encoder(st->codec->codec_id);
725 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
726 if (audio_stream_copy) {
729 choose_sample_fmt(st, codec);
730 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
731 if (video_stream_copy) {
734 choose_pixel_fmt(st, codec);
737 if(st->codec->flags & CODEC_FLAG_BITEXACT)
740 new_output_stream(s, nb_output_files);
744 s->timestamp = av_gettime();
746 av_close_input_file(ic);
751 get_sync_ipts(const AVOutputStream *ost)
753 const AVInputStream *ist = ost->sync_ist;
754 return (double)(ist->pts - start_time)/AV_TIME_BASE;
757 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
761 AVPacket new_pkt= *pkt;
762 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
763 &new_pkt.data, &new_pkt.size,
764 pkt->data, pkt->size,
765 pkt->flags & AV_PKT_FLAG_KEY);
768 new_pkt.destruct= av_destruct_packet;
770 fprintf(stderr, "%s failed for stream %d, codec %s",
771 bsfc->filter->name, pkt->stream_index,
772 avctx->codec ? avctx->codec->name : "copy");
782 ret= av_interleaved_write_frame(s, pkt);
784 print_error("av_interleaved_write_frame()", ret);
789 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
791 static void do_audio_out(AVFormatContext *s,
794 unsigned char *buf, int size)
797 int64_t audio_out_size, audio_buf_size;
798 int64_t allocated_for_size= size;
800 int size_out, frame_bytes, ret, resample_changed;
801 AVCodecContext *enc= ost->st->codec;
802 AVCodecContext *dec= ist->st->codec;
803 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
804 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
805 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
808 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
809 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
810 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
811 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
812 audio_buf_size*= osize*enc->channels;
814 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
815 if(coded_bps > 8*osize)
816 audio_out_size= audio_out_size * coded_bps / (8*osize);
817 audio_out_size += FF_MIN_BUFFER_SIZE;
819 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
820 fprintf(stderr, "Buffer sizes too large\n");
824 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
825 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
826 if (!audio_buf || !audio_out){
827 fprintf(stderr, "Out of memory in do_audio_out\n");
831 if (enc->channels != dec->channels)
832 ost->audio_resample = 1;
834 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
835 ost->resample_channels != dec->channels ||
836 ost->resample_sample_rate != dec->sample_rate;
838 if ((ost->audio_resample && !ost->resample) || resample_changed) {
839 if (resample_changed) {
840 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",
841 ist->file_index, ist->index,
842 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
843 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
844 ost->resample_sample_fmt = dec->sample_fmt;
845 ost->resample_channels = dec->channels;
846 ost->resample_sample_rate = dec->sample_rate;
848 audio_resample_close(ost->resample);
850 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
851 if (audio_sync_method <= 1 &&
852 ost->resample_sample_fmt == enc->sample_fmt &&
853 ost->resample_channels == enc->channels &&
854 ost->resample_sample_rate == enc->sample_rate) {
855 ost->resample = NULL;
856 ost->audio_resample = 0;
858 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
859 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
860 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
861 enc->sample_rate, dec->sample_rate,
862 enc->sample_fmt, dec->sample_fmt,
864 if (!ost->resample) {
865 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
866 dec->channels, dec->sample_rate,
867 enc->channels, enc->sample_rate);
873 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
874 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
875 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
876 if (ost->reformat_ctx)
877 av_audio_convert_free(ost->reformat_ctx);
878 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
879 dec->sample_fmt, 1, NULL, 0);
880 if (!ost->reformat_ctx) {
881 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
882 av_get_sample_fmt_name(dec->sample_fmt),
883 av_get_sample_fmt_name(enc->sample_fmt));
886 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
889 if(audio_sync_method){
890 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
891 - av_fifo_size(ost->fifo)/(enc->channels * 2);
892 double idelta= delta*dec->sample_rate / enc->sample_rate;
893 int byte_delta= ((int)idelta)*2*dec->channels;
895 //FIXME resample delay
896 if(fabs(delta) > 50){
897 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
899 byte_delta= FFMAX(byte_delta, -size);
903 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
908 static uint8_t *input_tmp= NULL;
909 input_tmp= av_realloc(input_tmp, byte_delta + size);
911 if(byte_delta > allocated_for_size - size){
912 allocated_for_size= byte_delta + (int64_t)size;
917 memset(input_tmp, 0, byte_delta);
918 memcpy(input_tmp + byte_delta, buf, size);
922 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
924 }else if(audio_sync_method>1){
925 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
926 av_assert0(ost->audio_resample);
928 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
929 // 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));
930 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
934 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
935 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
937 if (ost->audio_resample) {
939 size_out = audio_resample(ost->resample,
940 (short *)buftmp, (short *)buf,
941 size / (dec->channels * isize));
942 size_out = size_out * enc->channels * osize;
948 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
949 const void *ibuf[6]= {buftmp};
950 void *obuf[6]= {audio_buf};
951 int istride[6]= {isize};
952 int ostride[6]= {osize};
953 int len= size_out/istride[0];
954 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
955 printf("av_audio_convert() failed\n");
961 size_out = len*osize;
964 /* now encode as many frames as possible */
965 if (enc->frame_size > 1) {
966 /* output resampled raw samples */
967 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
968 fprintf(stderr, "av_fifo_realloc2() failed\n");
971 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
973 frame_bytes = enc->frame_size * osize * enc->channels;
975 while (av_fifo_size(ost->fifo) >= frame_bytes) {
977 av_init_packet(&pkt);
979 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
981 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
983 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
986 fprintf(stderr, "Audio encoding failed\n");
990 pkt.stream_index= ost->index;
993 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
994 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
995 pkt.flags |= AV_PKT_FLAG_KEY;
996 write_frame(s, &pkt, enc, ost->bitstream_filters);
998 ost->sync_opts += enc->frame_size;
1002 av_init_packet(&pkt);
1004 ost->sync_opts += size_out / (osize * enc->channels);
1006 /* output a pcm frame */
1007 /* determine the size of the coded buffer */
1010 size_out = size_out*coded_bps/8;
1012 if(size_out > audio_out_size){
1013 fprintf(stderr, "Internal error, buffer size too small\n");
1017 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1018 ret = avcodec_encode_audio(enc, audio_out, size_out,
1021 fprintf(stderr, "Audio encoding failed\n");
1025 pkt.stream_index= ost->index;
1026 pkt.data= audio_out;
1028 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1029 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1030 pkt.flags |= AV_PKT_FLAG_KEY;
1031 write_frame(s, &pkt, enc, ost->bitstream_filters);
1035 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1037 AVCodecContext *dec;
1038 AVPicture *picture2;
1039 AVPicture picture_tmp;
1042 dec = ist->st->codec;
1044 /* deinterlace : must be done before any resize */
1045 if (do_deinterlace) {
1048 /* create temporary picture */
1049 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1050 buf = av_malloc(size);
1054 picture2 = &picture_tmp;
1055 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1057 if(avpicture_deinterlace(picture2, picture,
1058 dec->pix_fmt, dec->width, dec->height) < 0) {
1059 /* if error, do not deinterlace */
1060 fprintf(stderr, "Deinterlacing failed\n");
1069 if (picture != picture2)
1070 *picture = *picture2;
1074 /* we begin to correct av delay at this threshold */
1075 #define AV_DELAY_MAX 0.100
1077 static void do_subtitle_out(AVFormatContext *s,
1078 AVOutputStream *ost,
1083 static uint8_t *subtitle_out = NULL;
1084 int subtitle_out_max_size = 1024 * 1024;
1085 int subtitle_out_size, nb, i;
1086 AVCodecContext *enc;
1089 if (pts == AV_NOPTS_VALUE) {
1090 fprintf(stderr, "Subtitle packets must have a pts\n");
1096 enc = ost->st->codec;
1098 if (!subtitle_out) {
1099 subtitle_out = av_malloc(subtitle_out_max_size);
1102 /* Note: DVB subtitle need one packet to draw them and one other
1103 packet to clear them */
1104 /* XXX: signal it in the codec context ? */
1105 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1110 for(i = 0; i < nb; i++) {
1111 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1112 // start_display_time is required to be 0
1113 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1114 sub->end_display_time -= sub->start_display_time;
1115 sub->start_display_time = 0;
1116 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1117 subtitle_out_max_size, sub);
1118 if (subtitle_out_size < 0) {
1119 fprintf(stderr, "Subtitle encoding failed\n");
1123 av_init_packet(&pkt);
1124 pkt.stream_index = ost->index;
1125 pkt.data = subtitle_out;
1126 pkt.size = subtitle_out_size;
1127 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1128 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1129 /* XXX: the pts correction is handled here. Maybe handling
1130 it in the codec would be better */
1132 pkt.pts += 90 * sub->start_display_time;
1134 pkt.pts += 90 * sub->end_display_time;
1136 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1140 static int bit_buffer_size= 1024*256;
1141 static uint8_t *bit_buffer= NULL;
1143 static void do_video_out(AVFormatContext *s,
1144 AVOutputStream *ost,
1146 AVFrame *in_picture,
1149 int nb_frames, i, ret, av_unused resample_changed;
1150 AVFrame *final_picture, *formatted_picture;
1151 AVCodecContext *enc, *dec;
1154 enc = ost->st->codec;
1155 dec = ist->st->codec;
1157 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1159 /* by default, we output a single frame */
1164 if(video_sync_method){
1165 double vdelta = sync_ipts - ost->sync_opts;
1166 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1169 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1172 }else if(vdelta>0.6)
1173 ost->sync_opts= lrintf(sync_ipts);
1174 }else if (vdelta > 1.1)
1175 nb_frames = lrintf(vdelta);
1176 //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);
1177 if (nb_frames == 0){
1180 fprintf(stderr, "*** drop!\n");
1181 }else if (nb_frames > 1) {
1182 nb_frames_dup += nb_frames - 1;
1184 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1187 ost->sync_opts= lrintf(sync_ipts);
1189 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1193 formatted_picture = in_picture;
1194 final_picture = formatted_picture;
1196 #if !CONFIG_AVFILTER
1197 resample_changed = ost->resample_width != dec->width ||
1198 ost->resample_height != dec->height ||
1199 ost->resample_pix_fmt != dec->pix_fmt;
1201 if (resample_changed) {
1202 av_log(NULL, AV_LOG_INFO,
1203 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1204 ist->file_index, ist->index,
1205 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1206 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1207 ost->resample_width = dec->width;
1208 ost->resample_height = dec->height;
1209 ost->resample_pix_fmt = dec->pix_fmt;
1212 ost->video_resample = dec->width != enc->width ||
1213 dec->height != enc->height ||
1214 dec->pix_fmt != enc->pix_fmt;
1216 if (ost->video_resample) {
1217 final_picture = &ost->resample_frame;
1218 if (!ost->img_resample_ctx || resample_changed) {
1219 /* initialize the destination picture */
1220 if (!ost->resample_frame.data[0]) {
1221 avcodec_get_frame_defaults(&ost->resample_frame);
1222 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1223 enc->width, enc->height)) {
1224 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1228 /* initialize a new scaler context */
1229 sws_freeContext(ost->img_resample_ctx);
1230 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1231 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1232 enc->width, enc->height, enc->pix_fmt,
1233 sws_flags, NULL, NULL, NULL);
1234 if (ost->img_resample_ctx == NULL) {
1235 fprintf(stderr, "Cannot get resampling context\n");
1239 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1240 0, ost->resample_height, ost->resample_frame.data, ost->resample_frame.linesize);
1244 /* duplicates frame if needed */
1245 for(i=0;i<nb_frames;i++) {
1247 av_init_packet(&pkt);
1248 pkt.stream_index= ost->index;
1250 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1251 /* raw pictures are written as AVPicture structure to
1252 avoid any copies. We support temorarily the older
1254 AVFrame* old_frame = enc->coded_frame;
1255 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1256 pkt.data= (uint8_t *)final_picture;
1257 pkt.size= sizeof(AVPicture);
1258 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1259 pkt.flags |= AV_PKT_FLAG_KEY;
1261 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1262 enc->coded_frame = old_frame;
1264 AVFrame big_picture;
1266 big_picture= *final_picture;
1267 /* better than nothing: use input picture interlaced
1269 big_picture.interlaced_frame = in_picture->interlaced_frame;
1270 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1271 if(top_field_first == -1)
1272 big_picture.top_field_first = in_picture->top_field_first;
1274 big_picture.top_field_first = top_field_first;
1277 /* handles sameq here. This is not correct because it may
1278 not be a global option */
1279 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1281 big_picture.pict_type = 0;
1282 // big_picture.pts = AV_NOPTS_VALUE;
1283 big_picture.pts= ost->sync_opts;
1284 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1285 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1286 if (ost->forced_kf_index < ost->forced_kf_count &&
1287 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1288 big_picture.pict_type = AV_PICTURE_TYPE_I;
1289 ost->forced_kf_index++;
1291 ret = avcodec_encode_video(enc,
1292 bit_buffer, bit_buffer_size,
1295 fprintf(stderr, "Video encoding failed\n");
1300 pkt.data= bit_buffer;
1302 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1303 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1304 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1305 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1306 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1308 if(enc->coded_frame->key_frame)
1309 pkt.flags |= AV_PKT_FLAG_KEY;
1310 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1313 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1314 // enc->frame_number-1, ret, enc->pict_type);
1315 /* if two pass, output log */
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1322 ost->frame_number++;
1326 static double psnr(double d){
1327 return -10.0*log(d)/log(10.0);
1330 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1333 AVCodecContext *enc;
1335 double ti1, bitrate, avg_bitrate;
1337 /* this is executed just the first time do_video_stats is called */
1339 vstats_file = fopen(vstats_filename, "w");
1346 enc = ost->st->codec;
1347 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 frame_number = ost->frame_number;
1349 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1350 if (enc->flags&CODEC_FLAG_PSNR)
1351 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1353 fprintf(vstats_file,"f_size= %6d ", frame_size);
1354 /* compute pts value */
1355 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1359 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1360 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1361 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1362 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1363 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1367 static void print_report(AVFormatContext **output_files,
1368 AVOutputStream **ost_table, int nb_ostreams,
1372 AVOutputStream *ost;
1373 AVFormatContext *oc;
1375 AVCodecContext *enc;
1376 int frame_number, vid, i;
1377 double bitrate, ti1, pts;
1378 static int64_t last_time = -1;
1379 static int qp_histogram[52];
1381 if (!is_last_report) {
1383 /* display the report every 0.5 seconds */
1384 cur_time = av_gettime();
1385 if (last_time == -1) {
1386 last_time = cur_time;
1389 if ((cur_time - last_time) < 500000)
1391 last_time = cur_time;
1395 oc = output_files[0];
1397 total_size = avio_size(oc->pb);
1398 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1399 total_size= avio_tell(oc->pb);
1404 for(i=0;i<nb_ostreams;i++) {
1407 enc = ost->st->codec;
1408 if(!ost->st->stream_copy && enc->coded_frame)
1409 q= enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1410 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1411 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1413 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1414 float t = (av_gettime()-timer_start) / 1000000.0;
1416 frame_number = ost->frame_number;
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1418 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1424 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1429 if (enc->flags&CODEC_FLAG_PSNR){
1431 double error, error_sum=0;
1432 double scale, scale_sum=0;
1433 char type[3]= {'Y','U','V'};
1434 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1437 error= enc->error[j];
1438 scale= enc->width*enc->height*255.0*255.0*frame_number;
1440 error= enc->coded_frame->error[j];
1441 scale= enc->width*enc->height*255.0*255.0;
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1452 /* compute min output value */
1453 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1454 if ((pts < ti1) && (pts > 0))
1460 if (verbose > 0 || is_last_report) {
1461 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1463 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1464 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1465 (double)total_size / 1024, ti1, bitrate);
1467 if (nb_frames_dup || nb_frames_drop)
1468 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1469 nb_frames_dup, nb_frames_drop);
1472 fprintf(stderr, "%s \r", buf);
1477 if (is_last_report && verbose >= 0){
1478 int64_t raw= audio_size + video_size + extra_size;
1479 fprintf(stderr, "\n");
1480 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1484 100.0*(total_size - raw)/raw
1489 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1491 int fill_char = 0x00;
1492 if (sample_fmt == AV_SAMPLE_FMT_U8)
1494 memset(buf, fill_char, size);
1497 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1498 static int output_packet(AVInputStream *ist, int ist_index,
1499 AVOutputStream **ost_table, int nb_ostreams,
1500 const AVPacket *pkt)
1502 AVFormatContext *os;
1503 AVOutputStream *ost;
1507 void *buffer_to_free = NULL;
1508 static unsigned int samples_size= 0;
1509 AVSubtitle subtitle, *subtitle_to_free;
1510 int64_t pkt_pts = AV_NOPTS_VALUE;
1512 int frame_available;
1516 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1518 if(ist->next_pts == AV_NOPTS_VALUE)
1519 ist->next_pts= ist->pts;
1523 av_init_packet(&avpkt);
1531 if(pkt->dts != AV_NOPTS_VALUE)
1532 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1533 if(pkt->pts != AV_NOPTS_VALUE)
1534 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1536 //while we have more to decode or while the decoder did output something on EOF
1537 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1538 uint8_t *data_buf, *decoded_data_buf;
1539 int data_size, decoded_data_size;
1541 ist->pts= ist->next_pts;
1543 if(avpkt.size && avpkt.size != pkt->size &&
1544 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1545 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1546 ist->showed_multi_packet_warning=1;
1549 /* decode the packet if needed */
1550 decoded_data_buf = NULL; /* fail safe */
1551 decoded_data_size= 0;
1552 data_buf = avpkt.data;
1553 data_size = avpkt.size;
1554 subtitle_to_free = NULL;
1555 if (ist->decoding_needed) {
1556 switch(ist->st->codec->codec_type) {
1557 case AVMEDIA_TYPE_AUDIO:{
1558 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1559 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1561 samples= av_malloc(samples_size);
1563 decoded_data_size= samples_size;
1564 /* XXX: could avoid copy if PCM 16 bits with same
1565 endianness as CPU */
1566 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1573 /* Some bug in mpeg audio decoder gives */
1574 /* decoded_data_size < 0, it seems they are overflows */
1575 if (decoded_data_size <= 0) {
1576 /* no audio frame */
1579 decoded_data_buf = (uint8_t *)samples;
1580 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1581 (ist->st->codec->sample_rate * ist->st->codec->channels);
1583 case AVMEDIA_TYPE_VIDEO:
1584 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1585 /* XXX: allocate picture correctly */
1586 avcodec_get_frame_defaults(&picture);
1587 avpkt.pts = pkt_pts;
1588 avpkt.dts = ist->pts;
1589 pkt_pts = AV_NOPTS_VALUE;
1591 ret = avcodec_decode_video2(ist->st->codec,
1592 &picture, &got_picture, &avpkt);
1593 ist->st->quality= picture.quality;
1597 /* no picture yet */
1598 goto discard_packet;
1600 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1601 if (ist->st->codec->time_base.num != 0) {
1602 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1603 ist->next_pts += ((int64_t)AV_TIME_BASE *
1604 ist->st->codec->time_base.num * ticks) /
1605 ist->st->codec->time_base.den;
1608 buffer_to_free = NULL;
1609 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1611 case AVMEDIA_TYPE_SUBTITLE:
1612 ret = avcodec_decode_subtitle2(ist->st->codec,
1613 &subtitle, &got_picture, &avpkt);
1617 goto discard_packet;
1619 subtitle_to_free = &subtitle;
1626 switch(ist->st->codec->codec_type) {
1627 case AVMEDIA_TYPE_AUDIO:
1628 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1629 ist->st->codec->sample_rate;
1631 case AVMEDIA_TYPE_VIDEO:
1632 if (ist->st->codec->time_base.num != 0) {
1633 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1634 ist->next_pts += ((int64_t)AV_TIME_BASE *
1635 ist->st->codec->time_base.num * ticks) /
1636 ist->st->codec->time_base.den;
1645 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
1646 for(i=0;i<nb_ostreams;i++) {
1648 if (ost->input_video_filter && ost->source_index == ist_index) {
1649 if (!picture.sample_aspect_ratio.num)
1650 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1651 picture.pts = ist->pts;
1652 // add it to be filtered
1653 av_vsrc_buffer_add_frame2(ost->input_video_filter, &picture, ""); //TODO user setable params
1659 // preprocess audio (volume)
1660 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1661 if (audio_volume != 256) {
1664 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1665 int v = ((*volp) * audio_volume + 128) >> 8;
1666 if (v < -32768) v = -32768;
1667 if (v > 32767) v = 32767;
1673 /* frame rate emulation */
1675 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1676 int64_t now = av_gettime() - ist->start;
1680 /* if output time reached then transcode raw format,
1681 encode packets and output them */
1682 if (start_time == 0 || ist->pts >= start_time)
1683 for(i=0;i<nb_ostreams;i++) {
1687 if (ost->source_index == ist_index) {
1689 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1690 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1691 while (frame_available) {
1692 AVRational ist_pts_tb;
1693 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1694 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1696 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1698 os = output_files[ost->file_index];
1700 /* set the input output pts pairs */
1701 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1703 if (ost->encoding_needed) {
1704 av_assert0(ist->decoding_needed);
1705 switch(ost->st->codec->codec_type) {
1706 case AVMEDIA_TYPE_AUDIO:
1707 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1709 case AVMEDIA_TYPE_VIDEO:
1711 if (ost->picref->video && !ost->frame_aspect_ratio)
1712 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1714 do_video_out(os, ost, ist, &picture, &frame_size);
1715 if (vstats_filename && frame_size)
1716 do_video_stats(os, ost, frame_size);
1718 case AVMEDIA_TYPE_SUBTITLE:
1719 do_subtitle_out(os, ost, ist, &subtitle,
1726 AVFrame avframe; //FIXME/XXX remove this
1728 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1730 av_init_packet(&opkt);
1732 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1733 #if !CONFIG_AVFILTER
1739 /* no reencoding needed : output the packet directly */
1740 /* force the input stream PTS */
1742 avcodec_get_frame_defaults(&avframe);
1743 ost->st->codec->coded_frame= &avframe;
1744 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1746 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1747 audio_size += data_size;
1748 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1749 video_size += data_size;
1753 opkt.stream_index= ost->index;
1754 if(pkt->pts != AV_NOPTS_VALUE)
1755 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1757 opkt.pts= AV_NOPTS_VALUE;
1759 if (pkt->dts == AV_NOPTS_VALUE)
1760 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1762 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1763 opkt.dts -= ost_tb_start_time;
1765 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1766 opkt.flags= pkt->flags;
1768 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1769 if( ost->st->codec->codec_id != CODEC_ID_H264
1770 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1771 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1773 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1774 opkt.destruct= av_destruct_packet;
1776 opkt.data = data_buf;
1777 opkt.size = data_size;
1780 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1781 ost->st->codec->frame_number++;
1782 ost->frame_number++;
1783 av_free_packet(&opkt);
1787 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1788 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1790 avfilter_unref_buffer(ost->picref);
1796 av_free(buffer_to_free);
1797 /* XXX: allocate the subtitles in the codec ? */
1798 if (subtitle_to_free) {
1799 avsubtitle_free(subtitle_to_free);
1800 subtitle_to_free = NULL;
1807 for(i=0;i<nb_ostreams;i++) {
1809 if (ost->source_index == ist_index) {
1810 AVCodecContext *enc= ost->st->codec;
1811 os = output_files[ost->file_index];
1813 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1815 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1818 if (ost->encoding_needed) {
1822 av_init_packet(&pkt);
1823 pkt.stream_index= ost->index;
1825 switch(ost->st->codec->codec_type) {
1826 case AVMEDIA_TYPE_AUDIO:
1827 fifo_bytes = av_fifo_size(ost->fifo);
1829 /* encode any samples remaining in fifo */
1830 if (fifo_bytes > 0) {
1831 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1832 int fs_tmp = enc->frame_size;
1834 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1835 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1836 enc->frame_size = fifo_bytes / (osize * enc->channels);
1838 int frame_bytes = enc->frame_size*osize*enc->channels;
1839 if (allocated_audio_buf_size < frame_bytes)
1841 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1844 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1845 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1846 ost->st->time_base.num, enc->sample_rate);
1847 enc->frame_size = fs_tmp;
1850 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1853 fprintf(stderr, "Audio encoding failed\n");
1857 pkt.flags |= AV_PKT_FLAG_KEY;
1859 case AVMEDIA_TYPE_VIDEO:
1860 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1862 fprintf(stderr, "Video encoding failed\n");
1866 if(enc->coded_frame && enc->coded_frame->key_frame)
1867 pkt.flags |= AV_PKT_FLAG_KEY;
1868 if (ost->logfile && enc->stats_out) {
1869 fprintf(ost->logfile, "%s", enc->stats_out);
1878 pkt.data= bit_buffer;
1880 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1881 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1882 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1894 static void print_sdp(AVFormatContext **avc, int n)
1898 av_sdp_create(avc, n, sdp, sizeof(sdp));
1899 printf("SDP:\n%s\n", sdp);
1903 static int copy_chapters(int infile, int outfile)
1905 AVFormatContext *is = input_files[infile];
1906 AVFormatContext *os = output_files[outfile];
1909 for (i = 0; i < is->nb_chapters; i++) {
1910 AVChapter *in_ch = is->chapters[i], *out_ch;
1911 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1912 AV_TIME_BASE_Q, in_ch->time_base);
1913 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1914 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1917 if (in_ch->end < ts_off)
1919 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1922 out_ch = av_mallocz(sizeof(AVChapter));
1924 return AVERROR(ENOMEM);
1926 out_ch->id = in_ch->id;
1927 out_ch->time_base = in_ch->time_base;
1928 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1929 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1931 if (metadata_chapters_autocopy)
1932 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1935 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1937 return AVERROR(ENOMEM);
1938 os->chapters[os->nb_chapters - 1] = out_ch;
1943 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1944 AVCodecContext *avctx)
1950 for (p = kf; *p; p++)
1953 ost->forced_kf_count = n;
1954 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1955 if (!ost->forced_kf_pts) {
1956 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1959 for (i = 0; i < n; i++) {
1960 p = i ? strchr(p, ',') + 1 : kf;
1961 t = parse_time_or_die("force_key_frames", p, 1);
1962 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1967 * The following code is the main loop of the file converter
1969 static int transcode(AVFormatContext **output_files,
1970 int nb_output_files,
1971 AVFormatContext **input_files,
1973 AVStreamMap *stream_maps, int nb_stream_maps)
1975 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step;
1976 AVFormatContext *is, *os;
1977 AVCodecContext *codec, *icodec;
1978 AVOutputStream *ost, **ost_table = NULL;
1979 AVInputStream *ist, **ist_table = NULL;
1980 AVInputFile *file_table;
1984 uint8_t no_packet[MAX_FILES]={0};
1985 int no_packet_count=0;
1986 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1987 int nb_streams[AVMEDIA_TYPE_NB]={0};
1989 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1993 /* input stream init */
1995 for(i=0;i<nb_input_files;i++) {
1996 is = input_files[i];
1997 file_table[i].ist_index = j;
1998 file_table[i].nb_streams = is->nb_streams;
1999 j += is->nb_streams;
2003 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2007 for(i=0;i<nb_istreams;i++) {
2008 ist = av_mallocz(sizeof(AVInputStream));
2014 for(i=0;i<nb_input_files;i++) {
2015 is = input_files[i];
2016 for(k=0;k<is->nb_streams;k++) {
2017 ist = ist_table[j++];
2018 ist->st = is->streams[k];
2019 ist->file_index = i;
2021 ist->discard = 1; /* the stream is discarded by default
2025 ist->start = av_gettime();
2030 /* output stream init */
2032 for(i=0;i<nb_output_files;i++) {
2033 os = output_files[i];
2034 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2035 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2036 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2037 ret = AVERROR(EINVAL);
2040 nb_ostreams += os->nb_streams;
2042 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2043 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2044 ret = AVERROR(EINVAL);
2048 /* Sanity check the mapping args -- do the input files & streams exist? */
2049 for(i=0;i<nb_stream_maps;i++) {
2050 int fi = stream_maps[i].file_index;
2051 int si = stream_maps[i].stream_index;
2053 if (fi < 0 || fi > nb_input_files - 1 ||
2054 si < 0 || si > file_table[fi].nb_streams - 1) {
2055 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2056 ret = AVERROR(EINVAL);
2059 fi = stream_maps[i].sync_file_index;
2060 si = stream_maps[i].sync_stream_index;
2061 if (fi < 0 || fi > nb_input_files - 1 ||
2062 si < 0 || si > file_table[fi].nb_streams - 1) {
2063 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2064 ret = AVERROR(EINVAL);
2069 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2073 for(k=0;k<nb_output_files;k++) {
2074 os = output_files[k];
2075 for(i=0;i<os->nb_streams;i++,n++) {
2076 nb_streams[os->streams[i]->codec->codec_type]++;
2079 for(step=1<<30; step; step>>=1){
2080 int found_streams[AVMEDIA_TYPE_NB]={0};
2081 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2082 nb_frame_threshold[j] += step;
2084 for(j=0; j<nb_istreams; j++) {
2089 AVFormatContext *f= input_files[ ist->file_index ];
2091 for(pi=0; pi<f->nb_programs; pi++){
2092 AVProgram *p= f->programs[pi];
2093 if(p->id == opt_programid)
2094 for(si=0; si<p->nb_stream_indexes; si++){
2095 if(f->streams[ p->stream_index[si] ] == ist->st)
2100 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2101 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2102 found_streams[ist->st->codec->codec_type]++;
2105 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2106 if(found_streams[j] < nb_streams[j])
2107 nb_frame_threshold[j] -= step;
2110 for(k=0;k<nb_output_files;k++) {
2111 os = output_files[k];
2112 for(i=0;i<os->nb_streams;i++,n++) {
2114 ost = ost_table[n] = output_streams_for_file[k][i];
2115 ost->st = os->streams[i];
2116 if (nb_stream_maps > 0) {
2117 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2118 stream_maps[n].stream_index;
2120 /* Sanity check that the stream types match */
2121 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2122 int i= ost->file_index;
2123 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2124 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2125 stream_maps[n].file_index, stream_maps[n].stream_index,
2126 ost->file_index, ost->index);
2131 /* get corresponding input stream index : we select the first one with the right type */
2133 for(j=0;j<nb_istreams;j++) {
2138 AVFormatContext *f= input_files[ ist->file_index ];
2140 for(pi=0; pi<f->nb_programs; pi++){
2141 AVProgram *p= f->programs[pi];
2142 if(p->id == opt_programid)
2143 for(si=0; si<p->nb_stream_indexes; si++){
2144 if(f->streams[ p->stream_index[si] ] == ist->st)
2149 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2150 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2151 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2152 ost->source_index = j;
2159 if(! opt_programid) {
2160 /* try again and reuse existing stream */
2161 for(j=0;j<nb_istreams;j++) {
2163 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2164 && ist->st->discard != AVDISCARD_ALL) {
2165 ost->source_index = j;
2171 int i= ost->file_index;
2172 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2173 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2174 ost->file_index, ost->index);
2179 ist = ist_table[ost->source_index];
2181 ost->sync_ist = (nb_stream_maps > 0) ?
2182 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2183 stream_maps[n].sync_stream_index] : ist;
2187 /* for each output stream, we compute the right encoding parameters */
2188 for(i=0;i<nb_ostreams;i++) {
2190 os = output_files[ost->file_index];
2191 ist = ist_table[ost->source_index];
2193 codec = ost->st->codec;
2194 icodec = ist->st->codec;
2196 if (metadata_streams_autocopy)
2197 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2198 AV_METADATA_DONT_OVERWRITE);
2200 ost->st->disposition = ist->st->disposition;
2201 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2202 codec->chroma_sample_location = icodec->chroma_sample_location;
2204 if (ost->st->stream_copy) {
2205 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2207 if (extra_size > INT_MAX)
2210 /* if stream_copy is selected, no need to decode or encode */
2211 codec->codec_id = icodec->codec_id;
2212 codec->codec_type = icodec->codec_type;
2214 if(!codec->codec_tag){
2215 if( !os->oformat->codec_tag
2216 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2217 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2218 codec->codec_tag = icodec->codec_tag;
2221 codec->bit_rate = icodec->bit_rate;
2222 codec->rc_max_rate = icodec->rc_max_rate;
2223 codec->rc_buffer_size = icodec->rc_buffer_size;
2224 codec->extradata= av_mallocz(extra_size);
2225 if (!codec->extradata)
2227 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2228 codec->extradata_size= icodec->extradata_size;
2229 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){
2230 codec->time_base = icodec->time_base;
2231 codec->time_base.num *= icodec->ticks_per_frame;
2232 av_reduce(&codec->time_base.num, &codec->time_base.den,
2233 codec->time_base.num, codec->time_base.den, INT_MAX);
2235 codec->time_base = ist->st->time_base;
2236 switch(codec->codec_type) {
2237 case AVMEDIA_TYPE_AUDIO:
2238 if(audio_volume != 256) {
2239 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2242 codec->channel_layout = icodec->channel_layout;
2243 codec->sample_rate = icodec->sample_rate;
2244 codec->channels = icodec->channels;
2245 codec->frame_size = icodec->frame_size;
2246 codec->audio_service_type = icodec->audio_service_type;
2247 codec->block_align= icodec->block_align;
2248 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2249 codec->block_align= 0;
2250 if(codec->codec_id == CODEC_ID_AC3)
2251 codec->block_align= 0;
2253 case AVMEDIA_TYPE_VIDEO:
2254 codec->pix_fmt = icodec->pix_fmt;
2255 codec->width = icodec->width;
2256 codec->height = icodec->height;
2257 codec->has_b_frames = icodec->has_b_frames;
2258 if (!codec->sample_aspect_ratio.num) {
2259 codec->sample_aspect_ratio =
2260 ost->st->sample_aspect_ratio =
2261 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2262 ist->st->codec->sample_aspect_ratio.num ?
2263 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2266 case AVMEDIA_TYPE_SUBTITLE:
2267 codec->width = icodec->width;
2268 codec->height = icodec->height;
2270 case AVMEDIA_TYPE_DATA:
2276 switch(codec->codec_type) {
2277 case AVMEDIA_TYPE_AUDIO:
2278 ost->fifo= av_fifo_alloc(1024);
2281 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2282 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2283 icodec->request_channels = codec->channels;
2284 ist->decoding_needed = 1;
2285 ost->encoding_needed = 1;
2286 ost->resample_sample_fmt = icodec->sample_fmt;
2287 ost->resample_sample_rate = icodec->sample_rate;
2288 ost->resample_channels = icodec->channels;
2290 case AVMEDIA_TYPE_VIDEO:
2291 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2292 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2295 ost->video_resample = codec->width != icodec->width ||
2296 codec->height != icodec->height ||
2297 codec->pix_fmt != icodec->pix_fmt;
2298 if (ost->video_resample) {
2299 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2301 ost->resample_height = icodec->height;
2302 ost->resample_width = icodec->width;
2303 ost->resample_pix_fmt= icodec->pix_fmt;
2304 ost->encoding_needed = 1;
2305 ist->decoding_needed = 1;
2308 if (configure_video_filters(ist, ost)) {
2309 fprintf(stderr, "Error opening filters!\n");
2314 case AVMEDIA_TYPE_SUBTITLE:
2315 ost->encoding_needed = 1;
2316 ist->decoding_needed = 1;
2323 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2324 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2325 char logfilename[1024];
2328 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2329 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2331 if (codec->flags & CODEC_FLAG_PASS1) {
2332 f = fopen(logfilename, "wb");
2334 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2340 size_t logbuffer_size;
2341 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2342 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2345 codec->stats_in = logbuffer;
2349 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2350 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2351 int size= codec->width * codec->height;
2352 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2357 bit_buffer = av_malloc(bit_buffer_size);
2359 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2361 ret = AVERROR(ENOMEM);
2365 /* open each encoder */
2366 for(i=0;i<nb_ostreams;i++) {
2368 if (ost->encoding_needed) {
2369 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2370 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2372 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2374 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2375 ost->st->codec->codec_id, ost->file_index, ost->index);
2376 ret = AVERROR(EINVAL);
2379 if (dec->subtitle_header) {
2380 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2381 if (!ost->st->codec->subtitle_header) {
2382 ret = AVERROR(ENOMEM);
2385 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2386 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2388 if (avcodec_open(ost->st->codec, codec) < 0) {
2389 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2390 ost->file_index, ost->index);
2391 ret = AVERROR(EINVAL);
2394 extra_size += ost->st->codec->extradata_size;
2398 /* open each decoder */
2399 for(i=0;i<nb_istreams;i++) {
2401 if (ist->decoding_needed) {
2402 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2404 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2406 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2407 ist->st->codec->codec_id, ist->file_index, ist->index);
2408 ret = AVERROR(EINVAL);
2411 if (avcodec_open(ist->st->codec, codec) < 0) {
2412 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2413 ist->file_index, ist->index);
2414 ret = AVERROR(EINVAL);
2417 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2418 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2423 for(i=0;i<nb_istreams;i++) {
2427 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2428 ist->next_pts = AV_NOPTS_VALUE;
2432 /* set meta data information from input file if required */
2433 for (i=0;i<nb_meta_data_maps;i++) {
2434 AVFormatContext *files[2];
2435 AVMetadata **meta[2];
2438 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2439 if ((index) < 0 || (index) >= (nb_elems)) {\
2440 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2442 ret = AVERROR(EINVAL);\
2446 int out_file_index = meta_data_maps[i][0].file;
2447 int in_file_index = meta_data_maps[i][1].file;
2448 if (in_file_index < 0 || out_file_index < 0)
2450 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2451 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2453 files[0] = output_files[out_file_index];
2454 files[1] = input_files[in_file_index];
2456 for (j = 0; j < 2; j++) {
2457 AVMetaDataMap *map = &meta_data_maps[i][j];
2459 switch (map->type) {
2461 meta[j] = &files[j]->metadata;
2464 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2465 meta[j] = &files[j]->streams[map->index]->metadata;
2468 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2469 meta[j] = &files[j]->chapters[map->index]->metadata;
2472 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2473 meta[j] = &files[j]->programs[map->index]->metadata;
2478 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2481 /* copy global metadata by default */
2482 if (metadata_global_autocopy) {
2484 for (i = 0; i < nb_output_files; i++)
2485 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2486 AV_METADATA_DONT_OVERWRITE);
2489 /* copy chapters according to chapter maps */
2490 for (i = 0; i < nb_chapter_maps; i++) {
2491 int infile = chapter_maps[i].in_file;
2492 int outfile = chapter_maps[i].out_file;
2494 if (infile < 0 || outfile < 0)
2496 if (infile >= nb_input_files) {
2497 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2498 ret = AVERROR(EINVAL);
2501 if (outfile >= nb_output_files) {
2502 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2503 ret = AVERROR(EINVAL);
2506 copy_chapters(infile, outfile);
2509 /* copy chapters from the first input file that has them*/
2510 if (!nb_chapter_maps)
2511 for (i = 0; i < nb_input_files; i++) {
2512 if (!input_files[i]->nb_chapters)
2515 for (j = 0; j < nb_output_files; j++)
2516 if ((ret = copy_chapters(i, j)) < 0)
2521 /* open files and write file headers */
2522 for(i=0;i<nb_output_files;i++) {
2523 os = output_files[i];
2524 if (av_write_header(os) < 0) {
2525 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2526 ret = AVERROR(EINVAL);
2529 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2535 /* dump the file output parameters - cannot be done before in case
2537 for(i=0;i<nb_output_files;i++) {
2538 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2541 /* dump the stream mapping */
2543 fprintf(stderr, "Stream mapping:\n");
2544 for(i=0;i<nb_ostreams;i++) {
2546 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2547 ist_table[ost->source_index]->file_index,
2548 ist_table[ost->source_index]->index,
2551 if (ost->sync_ist != ist_table[ost->source_index])
2552 fprintf(stderr, " [sync #%d.%d]",
2553 ost->sync_ist->file_index,
2554 ost->sync_ist->index);
2555 fprintf(stderr, "\n");
2560 fprintf(stderr, "%s\n", error);
2565 print_sdp(output_files, nb_output_files);
2570 fprintf(stderr, "Press [q] to stop encoding\n");
2571 avio_set_interrupt_cb(decode_interrupt_cb);
2575 timer_start = av_gettime();
2577 for(; received_sigterm == 0;) {
2578 int file_index, ist_index;
2586 /* if 'q' pressed, exits */
2590 /* read_key() returns 0 on EOF */
2596 /* select the stream that we must read now by looking at the
2597 smallest output pts */
2599 for(i=0;i<nb_ostreams;i++) {
2602 os = output_files[ost->file_index];
2603 ist = ist_table[ost->source_index];
2604 if(ist->is_past_recording_time || no_packet[ist->file_index])
2606 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2607 ipts = (double)ist->pts;
2608 if (!file_table[ist->file_index].eof_reached){
2609 if(ipts < ipts_min) {
2611 if(input_sync ) file_index = ist->file_index;
2613 if(opts < opts_min) {
2615 if(!input_sync) file_index = ist->file_index;
2618 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2623 /* if none, if is finished */
2624 if (file_index < 0) {
2625 if(no_packet_count){
2627 memset(no_packet, 0, sizeof(no_packet));
2634 /* finish if limit size exhausted */
2635 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2638 /* read a frame from it and output it in the fifo */
2639 is = input_files[file_index];
2640 ret= av_read_frame(is, &pkt);
2641 if(ret == AVERROR(EAGAIN)){
2642 no_packet[file_index]=1;
2647 file_table[file_index].eof_reached = 1;
2655 memset(no_packet, 0, sizeof(no_packet));
2658 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2659 is->streams[pkt.stream_index]);
2661 /* the following test is needed in case new streams appear
2662 dynamically in stream : we ignore them */
2663 if (pkt.stream_index >= file_table[file_index].nb_streams)
2664 goto discard_packet;
2665 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2666 ist = ist_table[ist_index];
2668 goto discard_packet;
2670 if (pkt.dts != AV_NOPTS_VALUE)
2671 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2672 if (pkt.pts != AV_NOPTS_VALUE)
2673 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2675 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2676 && input_files_ts_scale[file_index][pkt.stream_index]){
2677 if(pkt.pts != AV_NOPTS_VALUE)
2678 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2679 if(pkt.dts != AV_NOPTS_VALUE)
2680 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2683 // 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);
2684 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2685 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2686 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2687 int64_t delta= pkt_dts - ist->next_pts;
2688 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2689 input_files_ts_offset[ist->file_index]-= delta;
2691 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2692 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2693 if(pkt.pts != AV_NOPTS_VALUE)
2694 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2698 /* finish if recording time exhausted */
2699 if (recording_time != INT64_MAX &&
2700 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2701 ist->is_past_recording_time = 1;
2702 goto discard_packet;
2705 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2706 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2709 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2710 ist->file_index, ist->index);
2713 av_free_packet(&pkt);
2718 av_free_packet(&pkt);
2720 /* dump report by using the output first video and audio streams */
2721 print_report(output_files, ost_table, nb_ostreams, 0);
2724 /* at the end of stream, we must flush the decoder buffers */
2725 for(i=0;i<nb_istreams;i++) {
2727 if (ist->decoding_needed) {
2728 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2734 /* write the trailer if needed and close file */
2735 for(i=0;i<nb_output_files;i++) {
2736 os = output_files[i];
2737 av_write_trailer(os);
2740 /* dump report by using the first video and audio streams */
2741 print_report(output_files, ost_table, nb_ostreams, 1);
2743 /* close each encoder */
2744 for(i=0;i<nb_ostreams;i++) {
2746 if (ost->encoding_needed) {
2747 av_freep(&ost->st->codec->stats_in);
2748 avcodec_close(ost->st->codec);
2751 avfilter_graph_free(&ost->graph);
2755 /* close each decoder */
2756 for(i=0;i<nb_istreams;i++) {
2758 if (ist->decoding_needed) {
2759 avcodec_close(ist->st->codec);
2767 av_freep(&bit_buffer);
2768 av_free(file_table);
2771 for(i=0;i<nb_istreams;i++) {
2778 for(i=0;i<nb_ostreams;i++) {
2781 if (ost->st->stream_copy)
2782 av_freep(&ost->st->codec->extradata);
2784 fclose(ost->logfile);
2785 ost->logfile = NULL;
2787 av_fifo_free(ost->fifo); /* works even if fifo is not
2788 initialized but set to zero */
2789 av_freep(&ost->st->codec->subtitle_header);
2790 av_free(ost->resample_frame.data[0]);
2791 av_free(ost->forced_kf_pts);
2792 if (ost->video_resample)
2793 sws_freeContext(ost->img_resample_ctx);
2795 audio_resample_close(ost->resample);
2796 if (ost->reformat_ctx)
2797 av_audio_convert_free(ost->reformat_ctx);
2806 static void opt_format(const char *arg)
2808 last_asked_format = arg;
2811 static void opt_video_rc_override_string(const char *arg)
2813 video_rc_override_string = arg;
2816 static int opt_me_threshold(const char *opt, const char *arg)
2818 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2822 static int opt_verbose(const char *opt, const char *arg)
2824 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2828 static int opt_frame_rate(const char *opt, const char *arg)
2830 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2831 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2837 static int opt_bitrate(const char *opt, const char *arg)
2839 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2841 opt_default(opt, arg);
2843 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2844 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2849 static int opt_frame_crop(const char *opt, const char *arg)
2851 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2852 return AVERROR(EINVAL);
2855 static void opt_frame_size(const char *arg)
2857 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2858 fprintf(stderr, "Incorrect frame size\n");
2863 static int opt_pad(const char *opt, const char *arg) {
2864 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2868 static void opt_frame_pix_fmt(const char *arg)
2870 if (strcmp(arg, "list")) {
2871 frame_pix_fmt = av_get_pix_fmt(arg);
2872 if (frame_pix_fmt == PIX_FMT_NONE) {
2873 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2882 static void opt_frame_aspect_ratio(const char *arg)
2889 p = strchr(arg, ':');
2891 x = strtol(arg, &end, 10);
2893 y = strtol(end+1, &end, 10);
2895 ar = (double)x / (double)y;
2897 ar = strtod(arg, NULL);
2900 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2903 frame_aspect_ratio = ar;
2906 static int opt_metadata(const char *opt, const char *arg)
2908 char *mid= strchr(arg, '=');
2911 fprintf(stderr, "Missing =\n");
2916 av_metadata_set2(&metadata, arg, mid, 0);
2921 static int opt_qscale(const char *opt, const char *arg)
2923 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2924 if (video_qscale <= 0 || video_qscale > 255) {
2925 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2926 return AVERROR(EINVAL);
2931 static int opt_top_field_first(const char *opt, const char *arg)
2933 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2937 static int opt_thread_count(const char *opt, const char *arg)
2939 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2942 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2947 static void opt_audio_sample_fmt(const char *arg)
2949 if (strcmp(arg, "list")) {
2950 audio_sample_fmt = av_get_sample_fmt(arg);
2951 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2952 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2958 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2959 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2964 static int opt_audio_rate(const char *opt, const char *arg)
2966 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2970 static int opt_audio_channels(const char *opt, const char *arg)
2972 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2976 static int opt_video_channel(const char *opt, const char *arg)
2978 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
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 void opt_data_codec(const char *arg)
3015 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
3018 static int opt_codec_tag(const char *opt, const char *arg)
3021 uint32_t *codec_tag;
3023 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3024 !strcmp(opt, "vtag") ? &video_codec_tag :
3025 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3029 *codec_tag = strtol(arg, &tail, 0);
3031 *codec_tag = AV_RL32(arg);
3036 static void opt_map(const char *arg)
3041 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3042 m = &stream_maps[nb_stream_maps-1];
3044 m->file_index = strtol(arg, &p, 0);
3048 m->stream_index = strtol(p, &p, 0);
3051 m->sync_file_index = strtol(p, &p, 0);
3054 m->sync_stream_index = strtol(p, &p, 0);
3056 m->sync_file_index = m->file_index;
3057 m->sync_stream_index = m->stream_index;
3061 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3072 *index = strtol(++arg, endptr, 0);
3075 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3082 static void opt_map_metadata(const char *arg)
3084 AVMetaDataMap *m, *m1;
3087 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3088 &nb_meta_data_maps, nb_meta_data_maps + 1);
3090 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3091 m->file = strtol(arg, &p, 0);
3092 parse_meta_type(p, &m->type, &m->index, &p);
3096 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3097 m1->file = strtol(p, &p, 0);
3098 parse_meta_type(p, &m1->type, &m1->index, &p);
3100 if (m->type == 'g' || m1->type == 'g')
3101 metadata_global_autocopy = 0;
3102 if (m->type == 's' || m1->type == 's')
3103 metadata_streams_autocopy = 0;
3104 if (m->type == 'c' || m1->type == 'c')
3105 metadata_chapters_autocopy = 0;
3108 static void opt_map_meta_data(const char *arg)
3110 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3111 "Use -map_metadata instead.\n");
3112 opt_map_metadata(arg);
3115 static void opt_map_chapters(const char *arg)
3120 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3121 nb_chapter_maps + 1);
3122 c = &chapter_maps[nb_chapter_maps - 1];
3123 c->out_file = strtol(arg, &p, 0);
3127 c->in_file = strtol(p, &p, 0);
3130 static void opt_input_ts_scale(const char *arg)
3132 unsigned int stream;
3136 stream = strtol(arg, &p, 0);
3139 scale= strtod(p, &p);
3141 if(stream >= MAX_STREAMS)
3144 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);
3145 input_files_ts_scale[nb_input_files][stream]= scale;
3148 static int opt_recording_time(const char *opt, const char *arg)
3150 recording_time = parse_time_or_die(opt, arg, 1);
3154 static int opt_start_time(const char *opt, const char *arg)
3156 start_time = parse_time_or_die(opt, arg, 1);
3160 static int opt_recording_timestamp(const char *opt, const char *arg)
3162 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3166 static int opt_input_ts_offset(const char *opt, const char *arg)
3168 input_ts_offset = parse_time_or_die(opt, arg, 1);
3172 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3174 const char *codec_string = encoder ? "encoder" : "decoder";
3178 return CODEC_ID_NONE;
3180 avcodec_find_encoder_by_name(name) :
3181 avcodec_find_decoder_by_name(name);
3183 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3186 if(codec->type != type) {
3187 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3190 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3191 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3192 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3193 "results.\nAdd '-strict experimental' if you want to use it.\n",
3194 codec_string, codec->name);
3196 avcodec_find_encoder(codec->id) :
3197 avcodec_find_decoder(codec->id);
3198 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3199 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3200 codec_string, codec->name);
3206 static void opt_input_file(const char *filename)
3208 AVFormatContext *ic;
3209 AVFormatParameters params, *ap = ¶ms;
3210 AVInputFormat *file_iformat = NULL;
3211 int err, i, ret, rfps, rfps_base;
3214 if (last_asked_format) {
3215 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3216 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3219 last_asked_format = NULL;
3222 if (!strcmp(filename, "-"))
3225 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3226 !strcmp(filename, "/dev/stdin");
3228 /* get default parameters from command line */
3229 ic = avformat_alloc_context();
3231 print_error(filename, AVERROR(ENOMEM));
3235 memset(ap, 0, sizeof(*ap));
3236 ap->prealloced_context = 1;
3237 ap->sample_rate = audio_sample_rate;
3238 ap->channels = audio_channels;
3239 ap->time_base.den = frame_rate.num;
3240 ap->time_base.num = frame_rate.den;
3241 ap->width = frame_width;
3242 ap->height = frame_height;
3243 ap->pix_fmt = frame_pix_fmt;
3244 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3245 ap->channel = video_channel;
3246 ap->standard = video_standard;
3248 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3250 ic->video_codec_id =
3251 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3252 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3253 ic->audio_codec_id =
3254 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3255 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3256 ic->subtitle_codec_id=
3257 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3258 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3259 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3261 /* open the input file with generic libav function */
3262 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3264 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3265 err = av_demuxer_open(ic, ap);
3267 avformat_free_context(ic);
3270 print_error(filename, err);
3276 for(i=0; i<ic->nb_streams; i++){
3277 ic->streams[i]->discard= AVDISCARD_ALL;
3279 for(i=0; i<ic->nb_programs; i++){
3280 AVProgram *p= ic->programs[i];
3281 if(p->id != opt_programid){
3282 p->discard = AVDISCARD_ALL;
3285 for(j=0; j<p->nb_stream_indexes; j++){
3286 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3291 fprintf(stderr, "Specified program id not found\n");
3297 ic->loop_input = loop_input;
3299 /* If not enough info to get the stream parameters, we decode the
3300 first frames to get it. (used in mpeg case for example) */
3301 ret = av_find_stream_info(ic);
3302 if (ret < 0 && verbose >= 0) {
3303 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3304 av_close_input_file(ic);
3308 timestamp = start_time;
3309 /* add the stream start time */
3310 if (ic->start_time != AV_NOPTS_VALUE)
3311 timestamp += ic->start_time;
3313 /* if seeking requested, we execute it */
3314 if (start_time != 0) {
3315 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3317 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3318 filename, (double)timestamp / AV_TIME_BASE);
3320 /* reset seek info */
3324 /* update the current parameters so that they match the one of the input stream */
3325 for(i=0;i<ic->nb_streams;i++) {
3326 AVStream *st = ic->streams[i];
3327 AVCodecContext *dec = st->codec;
3328 dec->thread_count = thread_count;
3329 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3330 switch (dec->codec_type) {
3331 case AVMEDIA_TYPE_AUDIO:
3332 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3333 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]);
3334 channel_layout = dec->channel_layout;
3335 audio_channels = dec->channels;
3336 audio_sample_rate = dec->sample_rate;
3337 audio_sample_fmt = dec->sample_fmt;
3339 st->discard= AVDISCARD_ALL;
3340 /* Note that av_find_stream_info can add more streams, and we
3341 * currently have no chance of setting up lowres decoding
3342 * early enough for them. */
3344 audio_sample_rate >>= dec->lowres;
3346 case AVMEDIA_TYPE_VIDEO:
3347 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3348 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]);
3349 frame_height = dec->height;
3350 frame_width = dec->width;
3351 frame_pix_fmt = dec->pix_fmt;
3352 rfps = ic->streams[i]->r_frame_rate.num;
3353 rfps_base = ic->streams[i]->r_frame_rate.den;
3355 dec->flags |= CODEC_FLAG_EMU_EDGE;
3356 frame_height >>= dec->lowres;
3357 frame_width >>= dec->lowres;
3358 dec->height = frame_height;
3359 dec->width = frame_width;
3362 dec->debug |= FF_DEBUG_MV;
3364 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3367 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3368 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3370 (float)rfps / rfps_base, rfps, rfps_base);
3372 /* update the current frame rate to match the stream frame rate */
3373 frame_rate.num = rfps;
3374 frame_rate.den = rfps_base;
3377 st->discard= AVDISCARD_ALL;
3378 else if(video_discard)
3379 st->discard= video_discard;
3381 case AVMEDIA_TYPE_DATA:
3383 case AVMEDIA_TYPE_SUBTITLE:
3384 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3385 if(subtitle_disable)
3386 st->discard = AVDISCARD_ALL;
3388 case AVMEDIA_TYPE_ATTACHMENT:
3389 case AVMEDIA_TYPE_UNKNOWN:
3396 input_files[nb_input_files] = ic;
3397 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3398 /* dump the file content */
3400 av_dump_format(ic, nb_input_files, filename, 0);
3406 av_freep(&video_codec_name);
3407 av_freep(&audio_codec_name);
3408 av_freep(&subtitle_codec_name);
3411 static void check_inputs(int *has_video_ptr,
3413 int *has_subtitle_ptr,
3416 int has_video, has_audio, has_subtitle, has_data, i, j;
3417 AVFormatContext *ic;
3424 for(j=0;j<nb_input_files;j++) {
3425 ic = input_files[j];
3426 for(i=0;i<ic->nb_streams;i++) {
3427 AVCodecContext *enc = ic->streams[i]->codec;
3428 switch(enc->codec_type) {
3429 case AVMEDIA_TYPE_AUDIO:
3432 case AVMEDIA_TYPE_VIDEO:
3435 case AVMEDIA_TYPE_SUBTITLE:
3438 case AVMEDIA_TYPE_DATA:
3439 case AVMEDIA_TYPE_ATTACHMENT:
3440 case AVMEDIA_TYPE_UNKNOWN:
3448 *has_video_ptr = has_video;
3449 *has_audio_ptr = has_audio;
3450 *has_subtitle_ptr = has_subtitle;
3451 *has_data_ptr = has_data;
3454 static void new_video_stream(AVFormatContext *oc, int file_idx)
3457 AVOutputStream *ost;
3458 AVCodecContext *video_enc;
3459 enum CodecID codec_id = CODEC_ID_NONE;
3460 AVCodec *codec= NULL;
3462 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3464 fprintf(stderr, "Could not alloc stream\n");
3467 ost = new_output_stream(oc, file_idx);
3469 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3470 if(!video_stream_copy){
3471 if (video_codec_name) {
3472 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3473 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3474 codec = avcodec_find_encoder_by_name(video_codec_name);
3475 output_codecs[nb_output_codecs-1] = codec;
3477 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3478 codec = avcodec_find_encoder(codec_id);
3480 ost->frame_aspect_ratio = frame_aspect_ratio;
3481 frame_aspect_ratio = 0;
3483 ost->avfilter= vfilters;
3488 avcodec_get_context_defaults3(st->codec, codec);
3489 ost->bitstream_filters = video_bitstream_filters;
3490 video_bitstream_filters= NULL;
3492 st->codec->thread_count= thread_count;
3494 video_enc = st->codec;
3497 video_enc->codec_tag= video_codec_tag;
3499 if( (video_global_header&1)
3500 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3501 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3502 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3504 if(video_global_header&2){
3505 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3506 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3509 if (video_stream_copy) {
3510 st->stream_copy = 1;
3511 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3512 video_enc->sample_aspect_ratio =
3513 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3517 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3519 video_enc->codec_id = codec_id;
3520 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3522 if (codec && codec->supported_framerates && !force_fps)
3523 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3524 video_enc->time_base.den = fps.num;
3525 video_enc->time_base.num = fps.den;
3527 video_enc->width = frame_width;
3528 video_enc->height = frame_height;
3529 video_enc->pix_fmt = frame_pix_fmt;
3530 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3531 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3533 choose_pixel_fmt(st, codec);
3536 video_enc->gop_size = 0;
3537 if (video_qscale || same_quality) {
3538 video_enc->flags |= CODEC_FLAG_QSCALE;
3539 video_enc->global_quality=
3540 st->quality = FF_QP2LAMBDA * video_qscale;
3544 video_enc->intra_matrix = intra_matrix;
3546 video_enc->inter_matrix = inter_matrix;
3548 p= video_rc_override_string;
3551 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3553 fprintf(stderr, "error parsing rc_override\n");
3556 video_enc->rc_override=
3557 av_realloc(video_enc->rc_override,
3558 sizeof(RcOverride)*(i+1));
3559 video_enc->rc_override[i].start_frame= start;
3560 video_enc->rc_override[i].end_frame = end;
3562 video_enc->rc_override[i].qscale= q;
3563 video_enc->rc_override[i].quality_factor= 1.0;
3566 video_enc->rc_override[i].qscale= 0;
3567 video_enc->rc_override[i].quality_factor= -q/100.0;
3572 video_enc->rc_override_count=i;
3573 if (!video_enc->rc_initial_buffer_occupancy)
3574 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3575 video_enc->me_threshold= me_threshold;
3576 video_enc->intra_dc_precision= intra_dc_precision - 8;
3579 video_enc->flags|= CODEC_FLAG_PSNR;
3584 video_enc->flags |= CODEC_FLAG_PASS1;
3586 video_enc->flags |= CODEC_FLAG_PASS2;
3590 if (forced_key_frames)
3591 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3593 if (video_language) {
3594 av_metadata_set2(&st->metadata, "language", video_language, 0);
3595 av_freep(&video_language);
3598 /* reset some key parameters */
3600 av_freep(&video_codec_name);
3601 av_freep(&forced_key_frames);
3602 video_stream_copy = 0;
3603 frame_pix_fmt = PIX_FMT_NONE;
3606 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3609 AVOutputStream *ost;
3610 AVCodec *codec= NULL;
3611 AVCodecContext *audio_enc;
3612 enum CodecID codec_id = CODEC_ID_NONE;
3614 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3616 fprintf(stderr, "Could not alloc stream\n");
3619 ost = new_output_stream(oc, file_idx);
3621 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3622 if(!audio_stream_copy){
3623 if (audio_codec_name) {
3624 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3625 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3626 codec = avcodec_find_encoder_by_name(audio_codec_name);
3627 output_codecs[nb_output_codecs-1] = codec;
3629 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3630 codec = avcodec_find_encoder(codec_id);
3634 avcodec_get_context_defaults3(st->codec, codec);
3636 ost->bitstream_filters = audio_bitstream_filters;
3637 audio_bitstream_filters= NULL;
3639 st->codec->thread_count= thread_count;
3641 audio_enc = st->codec;
3642 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3645 audio_enc->codec_tag= audio_codec_tag;
3647 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3648 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3649 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3651 if (audio_stream_copy) {
3652 st->stream_copy = 1;
3653 audio_enc->channels = audio_channels;
3654 audio_enc->sample_rate = audio_sample_rate;
3656 audio_enc->codec_id = codec_id;
3657 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3659 if (audio_qscale > QSCALE_NONE) {
3660 audio_enc->flags |= CODEC_FLAG_QSCALE;
3661 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3663 audio_enc->channels = audio_channels;
3664 audio_enc->sample_fmt = audio_sample_fmt;
3665 audio_enc->sample_rate = audio_sample_rate;
3666 audio_enc->channel_layout = channel_layout;
3667 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3668 audio_enc->channel_layout = 0;
3669 choose_sample_fmt(st, codec);
3670 choose_sample_rate(st, codec);
3672 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3673 if (audio_language) {
3674 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3675 av_freep(&audio_language);
3678 /* reset some key parameters */
3680 av_freep(&audio_codec_name);
3681 audio_stream_copy = 0;
3684 static void new_data_stream(AVFormatContext *oc, int file_idx)
3687 AVOutputStream *ost;
3688 AVCodec *codec=NULL;
3689 AVCodecContext *data_enc;
3691 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3693 fprintf(stderr, "Could not alloc stream\n");
3696 ost = new_output_stream(oc, file_idx);
3697 data_enc = st->codec;
3698 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3699 if (!data_stream_copy) {
3700 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3703 avcodec_get_context_defaults3(st->codec, codec);
3705 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3708 data_enc->codec_tag= data_codec_tag;
3710 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3711 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3712 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3714 if (data_stream_copy) {
3715 st->stream_copy = 1;
3719 av_freep(&data_codec_name);
3720 data_stream_copy = 0;
3723 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3726 AVOutputStream *ost;
3727 AVCodec *codec=NULL;
3728 AVCodecContext *subtitle_enc;
3729 enum CodecID codec_id = CODEC_ID_NONE;
3731 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3733 fprintf(stderr, "Could not alloc stream\n");
3736 ost = new_output_stream(oc, file_idx);
3737 subtitle_enc = st->codec;
3738 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3739 if(!subtitle_stream_copy){
3740 if (subtitle_codec_name) {
3741 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3742 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3743 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3745 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3746 codec = avcodec_find_encoder(codec_id);
3749 avcodec_get_context_defaults3(st->codec, codec);
3751 ost->bitstream_filters = subtitle_bitstream_filters;
3752 subtitle_bitstream_filters= NULL;
3754 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3756 if(subtitle_codec_tag)
3757 subtitle_enc->codec_tag= subtitle_codec_tag;
3759 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3760 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3761 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3763 if (subtitle_stream_copy) {
3764 st->stream_copy = 1;
3766 subtitle_enc->codec_id = codec_id;
3767 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3770 if (subtitle_language) {
3771 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3772 av_freep(&subtitle_language);
3775 subtitle_disable = 0;
3776 av_freep(&subtitle_codec_name);
3777 subtitle_stream_copy = 0;
3780 static int opt_new_stream(const char *opt, const char *arg)
3782 AVFormatContext *oc;
3783 int file_idx = nb_output_files - 1;
3784 if (nb_output_files <= 0) {
3785 fprintf(stderr, "At least one output file must be specified\n");
3788 oc = output_files[file_idx];
3790 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3791 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3792 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3793 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3798 /* arg format is "output-stream-index:streamid-value". */
3799 static int opt_streamid(const char *opt, const char *arg)
3805 av_strlcpy(idx_str, arg, sizeof(idx_str));
3806 p = strchr(idx_str, ':');
3809 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3814 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3815 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3816 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3820 static void opt_output_file(const char *filename)
3822 AVFormatContext *oc;
3823 int err, use_video, use_audio, use_subtitle, use_data;
3824 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3825 AVFormatParameters params, *ap = ¶ms;
3826 AVOutputFormat *file_oformat;
3828 if (!strcmp(filename, "-"))
3831 oc = avformat_alloc_output_context(last_asked_format, NULL, filename);
3832 last_asked_format = NULL;
3834 print_error(filename, AVERROR(ENOMEM));
3837 file_oformat= oc->oformat;
3839 if (!strcmp(file_oformat->name, "ffm") &&
3840 av_strstart(filename, "http:", NULL)) {
3841 /* special case for files sent to ffserver: we get the stream
3842 parameters from ffserver */
3843 int err = read_ffserver_streams(oc, filename);
3845 print_error(filename, err);
3849 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3850 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3851 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3852 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3854 /* disable if no corresponding type found and at least one
3856 if (nb_input_files > 0) {
3857 check_inputs(&input_has_video,
3859 &input_has_subtitle,
3862 if (!input_has_video)
3864 if (!input_has_audio)
3866 if (!input_has_subtitle)
3868 if (!input_has_data)
3872 /* manual disable */
3873 if (audio_disable) use_audio = 0;
3874 if (video_disable) use_video = 0;
3875 if (subtitle_disable) use_subtitle = 0;
3876 if (data_disable) use_data = 0;
3878 if (use_video) new_video_stream(oc, nb_output_files);
3879 if (use_audio) new_audio_stream(oc, nb_output_files);
3880 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3881 if (use_data) new_data_stream(oc, nb_output_files);
3883 oc->timestamp = recording_timestamp;
3885 av_metadata_copy(&oc->metadata, metadata, 0);
3886 av_metadata_free(&metadata);
3889 output_files[nb_output_files++] = oc;
3891 /* check filename in case of an image number is expected */
3892 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3893 if (!av_filename_number_test(oc->filename)) {
3894 print_error(oc->filename, AVERROR(EINVAL));
3899 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3900 /* test if it already exists to avoid loosing precious files */
3901 if (!file_overwrite &&
3902 (strchr(filename, ':') == NULL ||
3903 filename[1] == ':' ||
3904 av_strstart(filename, "file:", NULL))) {
3905 if (avio_check(filename, 0) == 0) {
3907 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3909 if (!read_yesno()) {
3910 fprintf(stderr, "Not overwriting - exiting\n");
3915 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3922 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3923 print_error(filename, err);
3928 memset(ap, 0, sizeof(*ap));
3929 if (av_set_parameters(oc, ap) < 0) {
3930 fprintf(stderr, "%s: Invalid encoding parameters\n",
3935 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3936 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3937 oc->loop_output = loop_output;
3939 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3941 av_freep(&forced_key_frames);
3944 /* same option as mencoder */
3945 static int opt_pass(const char *opt, const char *arg)
3947 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3951 static int64_t getutime(void)
3954 struct rusage rusage;
3956 getrusage(RUSAGE_SELF, &rusage);
3957 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3958 #elif HAVE_GETPROCESSTIMES
3960 FILETIME c, e, k, u;
3961 proc = GetCurrentProcess();
3962 GetProcessTimes(proc, &c, &e, &k, &u);
3963 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3965 return av_gettime();
3969 static int64_t getmaxrss(void)
3971 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3972 struct rusage rusage;
3973 getrusage(RUSAGE_SELF, &rusage);
3974 return (int64_t)rusage.ru_maxrss * 1024;
3975 #elif HAVE_GETPROCESSMEMORYINFO
3977 PROCESS_MEMORY_COUNTERS memcounters;
3978 proc = GetCurrentProcess();
3979 memcounters.cb = sizeof(memcounters);
3980 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3981 return memcounters.PeakPagefileUsage;
3987 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3990 const char *p = str;
3997 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4004 static void opt_inter_matrix(const char *arg)
4006 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4007 parse_matrix_coeffs(inter_matrix, arg);
4010 static void opt_intra_matrix(const char *arg)
4012 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4013 parse_matrix_coeffs(intra_matrix, arg);
4016 static void show_usage(void)
4018 printf("Hyper fast Audio and Video encoder\n");
4019 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4023 static void show_help(void)
4026 AVOutputFormat *oformat = NULL;
4028 av_log_set_callback(log_callback_help);
4030 show_help_options(options, "Main options:\n",
4031 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4032 show_help_options(options, "\nAdvanced options:\n",
4033 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4035 show_help_options(options, "\nVideo options:\n",
4036 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4038 show_help_options(options, "\nAdvanced Video options:\n",
4039 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4040 OPT_VIDEO | OPT_EXPERT);
4041 show_help_options(options, "\nAudio options:\n",
4042 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4044 show_help_options(options, "\nAdvanced Audio options:\n",
4045 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4046 OPT_AUDIO | OPT_EXPERT);
4047 show_help_options(options, "\nSubtitle options:\n",
4048 OPT_SUBTITLE | OPT_GRAB,
4050 show_help_options(options, "\nAudio/Video grab options:\n",
4054 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4057 /* individual codec options */
4059 while ((c = av_codec_next(c))) {
4060 if (c->priv_class) {
4061 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4066 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4069 /* individual muxer options */
4070 while ((oformat = av_oformat_next(oformat))) {
4071 if (oformat->priv_class) {
4072 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4077 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4080 static void opt_target(const char *arg)
4082 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4083 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4085 if(!strncmp(arg, "pal-", 4)) {
4088 } else if(!strncmp(arg, "ntsc-", 5)) {
4091 } else if(!strncmp(arg, "film-", 5)) {
4096 /* Calculate FR via float to avoid int overflow */
4097 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4100 } else if((fr == 29970) || (fr == 23976)) {
4103 /* Try to determine PAL/NTSC by peeking in the input files */
4104 if(nb_input_files) {
4106 for(j = 0; j < nb_input_files; j++) {
4107 for(i = 0; i < input_files[j]->nb_streams; i++) {
4108 AVCodecContext *c = input_files[j]->streams[i]->codec;
4109 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4111 fr = c->time_base.den * 1000 / c->time_base.num;
4115 } else if((fr == 29970) || (fr == 23976)) {
4125 if(verbose > 0 && norm != UNKNOWN)
4126 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4129 if(norm == UNKNOWN) {
4130 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4131 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4132 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4136 if(!strcmp(arg, "vcd")) {
4138 opt_video_codec("mpeg1video");
4139 opt_audio_codec("mp2");
4142 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4143 opt_frame_rate(NULL, frame_rates[norm]);
4144 opt_default("g", norm == PAL ? "15" : "18");
4146 opt_default("b", "1150000");
4147 opt_default("maxrate", "1150000");
4148 opt_default("minrate", "1150000");
4149 opt_default("bufsize", "327680"); // 40*1024*8;
4151 opt_default("ab", "224000");
4152 audio_sample_rate = 44100;
4155 opt_default("packetsize", "2324");
4156 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4158 /* We have to offset the PTS, so that it is consistent with the SCR.
4159 SCR starts at 36000, but the first two packs contain only padding
4160 and the first pack from the other stream, respectively, may also have
4161 been written before.
4162 So the real data starts at SCR 36000+3*1200. */
4163 mux_preload= (36000+3*1200) / 90000.0; //0.44
4164 } else if(!strcmp(arg, "svcd")) {
4166 opt_video_codec("mpeg2video");
4167 opt_audio_codec("mp2");
4170 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4171 opt_frame_rate(NULL, frame_rates[norm]);
4172 opt_default("g", norm == PAL ? "15" : "18");
4174 opt_default("b", "2040000");
4175 opt_default("maxrate", "2516000");
4176 opt_default("minrate", "0"); //1145000;
4177 opt_default("bufsize", "1835008"); //224*1024*8;
4178 opt_default("flags", "+scan_offset");
4181 opt_default("ab", "224000");
4182 audio_sample_rate = 44100;
4184 opt_default("packetsize", "2324");
4186 } else if(!strcmp(arg, "dvd")) {
4188 opt_video_codec("mpeg2video");
4189 opt_audio_codec("ac3");
4192 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4193 opt_frame_rate(NULL, frame_rates[norm]);
4194 opt_default("g", norm == PAL ? "15" : "18");
4196 opt_default("b", "6000000");
4197 opt_default("maxrate", "9000000");
4198 opt_default("minrate", "0"); //1500000;
4199 opt_default("bufsize", "1835008"); //224*1024*8;
4201 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4202 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4204 opt_default("ab", "448000");
4205 audio_sample_rate = 48000;
4207 } else if(!strncmp(arg, "dv", 2)) {
4211 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4212 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4213 (norm == PAL ? "yuv420p" : "yuv411p"));
4214 opt_frame_rate(NULL, frame_rates[norm]);
4216 audio_sample_rate = 48000;
4220 fprintf(stderr, "Unknown target: %s\n", arg);
4225 static void opt_vstats_file (const char *arg)
4227 av_free (vstats_filename);
4228 vstats_filename=av_strdup (arg);
4231 static void opt_vstats (void)
4234 time_t today2 = time(NULL);
4235 struct tm *today = localtime(&today2);
4237 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4239 opt_vstats_file(filename);
4242 static int opt_bsf(const char *opt, const char *arg)
4244 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4245 AVBitStreamFilterContext **bsfp;
4248 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4252 bsfp= *opt == 'v' ? &video_bitstream_filters :
4253 *opt == 'a' ? &audio_bitstream_filters :
4254 &subtitle_bitstream_filters;
4256 bsfp= &(*bsfp)->next;
4263 static int opt_preset(const char *opt, const char *arg)
4266 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4267 char *codec_name = *opt == 'v' ? video_codec_name :
4268 *opt == 'a' ? audio_codec_name :
4269 subtitle_codec_name;
4271 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4272 fprintf(stderr, "File for preset '%s' not found\n", arg);
4277 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4278 if(line[0] == '#' && !e)
4280 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4282 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4285 if(!strcmp(tmp, "acodec")){
4286 opt_audio_codec(tmp2);
4287 }else if(!strcmp(tmp, "vcodec")){
4288 opt_video_codec(tmp2);
4289 }else if(!strcmp(tmp, "scodec")){
4290 opt_subtitle_codec(tmp2);
4291 }else if(!strcmp(tmp, "dcodec")){
4292 opt_data_codec(tmp2);
4293 }else if(opt_default(tmp, tmp2) < 0){
4294 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4304 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4308 static void opt_passlogfile(const char *arg)
4310 pass_logfilename_prefix = arg;
4311 opt_default("passlogfile", arg);
4314 static const OptionDef options[] = {
4316 #include "cmdutils_common_opts.h"
4317 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4318 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4319 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4320 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4321 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4322 "outfile[,metadata]:infile[,metadata]" },
4323 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4324 "outfile[,metadata]:infile[,metadata]" },
4325 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4326 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4327 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4328 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4329 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4330 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4331 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4332 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4333 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4334 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4335 "add timings for benchmarking" },
4336 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4337 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4338 "dump each input packet" },
4339 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4340 "when dumping packets, also dump the payload" },
4341 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4342 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4343 { "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)", "" },
4344 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4345 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4346 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4347 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4348 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4349 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4350 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4351 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4352 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4353 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4354 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4355 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4356 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4357 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4360 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4361 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4362 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4363 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4364 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4365 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4366 { "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" },
4367 { "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" },
4368 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4369 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4370 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4371 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4372 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4373 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4374 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4375 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4376 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4377 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4378 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4379 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4380 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4381 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4382 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4383 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4384 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4385 "use same quantizer as source (implies VBR)" },
4386 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4387 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4388 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4389 "deinterlace pictures" },
4390 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4391 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4392 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4394 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4396 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4397 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4398 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4399 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4400 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4401 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4402 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4403 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4404 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4405 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4406 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4409 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4410 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4411 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4412 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4413 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4414 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4415 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4416 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4417 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4418 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4419 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4420 { "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" },
4422 /* subtitle options */
4423 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4424 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4425 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4426 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4427 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4430 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4431 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4432 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4435 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4436 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4438 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4439 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4440 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4442 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4443 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4444 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4445 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4446 /* data codec support */
4447 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4449 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4453 int main(int argc, char **argv)
4457 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4459 if(argc>1 && !strcmp(argv[1], "-d")){
4462 av_log_set_callback(log_callback_null);
4467 avcodec_register_all();
4469 avdevice_register_all();
4472 avfilter_register_all();
4477 if(isatty(STDIN_FILENO))
4478 avio_set_interrupt_cb(decode_interrupt_cb);
4486 parse_options(argc, argv, options, opt_output_file);
4488 if(nb_output_files <= 0 && nb_input_files == 0) {
4490 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4494 /* file converter / grab */
4495 if (nb_output_files <= 0) {
4496 fprintf(stderr, "At least one output file must be specified\n");
4500 if (nb_input_files == 0) {
4501 fprintf(stderr, "At least one input file must be specified\n");
4506 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4507 stream_maps, nb_stream_maps) < 0)
4509 ti = getutime() - ti;
4511 int maxrss = getmaxrss() / 1024;
4512 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4515 return ffmpeg_exit(0);