3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
47 #include "libavformat/ffm.h" // not public API
50 # include "libavfilter/avcodec.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/avfiltergraph.h"
53 # include "libavfilter/vsrc_buffer.h"
56 #if HAVE_SYS_RESOURCE_H
57 #include <sys/types.h>
59 #include <sys/resource.h>
60 #elif HAVE_GETPROCESSTIMES
63 #if HAVE_GETPROCESSMEMORYINFO
69 #include <sys/select.h>
74 #include <sys/ioctl.h>
84 #include "libavutil/avassert.h"
86 const char program_name[] = "ffmpeg";
87 const int program_birth_year = 2000;
89 /* select an input stream for an output stream */
90 typedef struct AVStreamMap {
94 int sync_stream_index;
98 * select an input file for an output file
100 typedef struct AVMetaDataMap {
101 int file; //< file index
102 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
103 int index; //< stream/chapter/program number
106 typedef struct AVChapterMap {
111 static const OptionDef options[];
113 #define MAX_FILES 100
114 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
116 static const char *last_asked_format = NULL;
117 static AVFormatContext *input_files[MAX_FILES];
118 static int64_t input_files_ts_offset[MAX_FILES];
119 static double *input_files_ts_scale[MAX_FILES] = {NULL};
120 static AVCodec **input_codecs = NULL;
121 static int nb_input_files = 0;
122 static int nb_input_codecs = 0;
123 static int nb_input_files_ts_scale[MAX_FILES] = {0};
125 static AVFormatContext *output_files[MAX_FILES];
126 static AVCodec **output_codecs = NULL;
127 static int nb_output_files = 0;
128 static int nb_output_codecs = 0;
130 static AVStreamMap *stream_maps = NULL;
131 static int nb_stream_maps;
133 /* first item specifies output metadata, second is input */
134 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
135 static int nb_meta_data_maps;
136 static int metadata_global_autocopy = 1;
137 static int metadata_streams_autocopy = 1;
138 static int metadata_chapters_autocopy = 1;
140 static AVChapterMap *chapter_maps = NULL;
141 static int nb_chapter_maps;
143 /* indexed by output file stream index */
144 static int *streamid_map = NULL;
145 static int nb_streamid_map = 0;
147 static int frame_width = 0;
148 static int frame_height = 0;
149 static float frame_aspect_ratio = 0;
150 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
151 static int frame_bits_per_raw_sample = 0;
152 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
153 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
154 static AVRational frame_rate;
155 static float video_qscale = 0;
156 static uint16_t *intra_matrix = NULL;
157 static uint16_t *inter_matrix = NULL;
158 static const char *video_rc_override_string=NULL;
159 static int video_disable = 0;
160 static int video_discard = 0;
161 static char *video_codec_name = NULL;
162 static unsigned int video_codec_tag = 0;
163 static char *video_language = NULL;
164 static int same_quality = 0;
165 static int do_deinterlace = 0;
166 static int top_field_first = -1;
167 static int me_threshold = 0;
168 static int intra_dc_precision = 8;
169 static int loop_input = 0;
170 static int loop_output = AVFMT_NOOUTPUTLOOP;
171 static int qp_hist = 0;
173 static char *vfilters = NULL;
175 static unsigned int sws_flags = SWS_BICUBIC;
178 static int intra_only = 0;
179 static int audio_sample_rate = 44100;
180 static int64_t channel_layout = 0;
181 #define QSCALE_NONE -99999
182 static float audio_qscale = QSCALE_NONE;
183 static int audio_disable = 0;
184 static int audio_channels = 1;
185 static char *audio_codec_name = NULL;
186 static unsigned int audio_codec_tag = 0;
187 static char *audio_language = NULL;
189 static int subtitle_disable = 0;
190 static char *subtitle_codec_name = NULL;
191 static char *subtitle_language = NULL;
192 static unsigned int subtitle_codec_tag = 0;
194 static int data_disable = 0;
195 static char *data_codec_name = NULL;
196 static unsigned int data_codec_tag = 0;
198 static float mux_preload= 0.5;
199 static float mux_max_delay= 0.7;
201 static int64_t recording_time = INT64_MAX;
202 static int64_t start_time = 0;
203 static int64_t recording_timestamp = 0;
204 static int64_t input_ts_offset = 0;
205 static int file_overwrite = 0;
206 static AVMetadata *metadata;
207 static int do_benchmark = 0;
208 static int do_hex_dump = 0;
209 static int do_pkt_dump = 0;
210 static int do_psnr = 0;
211 static int do_pass = 0;
212 static const char *pass_logfilename_prefix;
213 static int audio_stream_copy = 0;
214 static int video_stream_copy = 0;
215 static int subtitle_stream_copy = 0;
216 static int data_stream_copy = 0;
217 static int video_sync_method= -1;
218 static int audio_sync_method= 0;
219 static float audio_drift_threshold= 0.1;
220 static int copy_ts= 0;
221 static int copy_tb= 0;
222 static int opt_shortest = 0;
223 static int video_global_header = 0;
224 static char *vstats_filename;
225 static FILE *vstats_file;
226 static int opt_programid = 0;
227 static int copy_initial_nonkeyframes = 0;
229 static int rate_emu = 0;
231 static int video_channel = 0;
232 static char *video_standard;
234 static int audio_volume = 256;
236 static int exit_on_error = 0;
237 static int using_stdin = 0;
238 static int verbose = 1;
239 static int run_as_daemon = 0;
240 static int thread_count= 1;
241 static int q_pressed = 0;
242 static int64_t video_size = 0;
243 static int64_t audio_size = 0;
244 static int64_t extra_size = 0;
245 static int nb_frames_dup = 0;
246 static int nb_frames_drop = 0;
247 static int input_sync;
248 static uint64_t limit_filesize = 0;
249 static int force_fps = 0;
250 static char *forced_key_frames = NULL;
252 static float dts_delta_threshold = 10;
254 static int64_t timer_start;
256 static uint8_t *audio_buf;
257 static uint8_t *audio_out;
258 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
260 static short *samples;
262 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
263 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
264 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
266 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
268 struct AVInputStream;
270 typedef struct AVOutputStream {
271 int file_index; /* file index */
272 int index; /* stream index in the output file */
273 int source_index; /* AVInputStream index */
274 AVStream *st; /* stream in the output file */
275 int encoding_needed; /* true if encoding needed for this stream */
277 /* input pts and corresponding output pts
279 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
280 struct AVInputStream *sync_ist; /* input stream to sync against */
281 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
282 AVBitStreamFilterContext *bitstream_filters;
285 AVFrame resample_frame; /* temporary frame for image resampling */
286 struct SwsContext *img_resample_ctx; /* for image resampling */
289 int resample_pix_fmt;
291 float frame_aspect_ratio;
292 /* forced key frames */
293 int64_t *forced_kf_pts;
299 ReSampleContext *resample; /* for audio resampling */
300 int resample_sample_fmt;
301 int resample_channels;
302 int resample_sample_rate;
304 AVAudioConvert *reformat_ctx;
305 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
309 AVFilterContext *output_video_filter;
310 AVFilterContext *input_video_filter;
311 AVFilterBufferRef *picref;
313 AVFilterGraph *graph;
319 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
320 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
322 typedef struct AVInputStream {
326 int discard; /* true if stream data should be discarded */
327 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
328 int64_t sample_index; /* current sample */
330 int64_t start; /* time when read started */
331 int64_t next_pts; /* synthetic pts for cases where pkt.pts
333 int64_t pts; /* current pts */
334 int is_start; /* is 1 at the start and after a discontinuity */
335 int showed_multi_packet_warning;
336 int is_past_recording_time;
338 AVFrame *filter_frame;
339 int has_filter_frame;
343 typedef struct AVInputFile {
344 int eof_reached; /* true if eof reached */
345 int ist_index; /* index of first stream in ist_table */
346 int buffer_size; /* current total buffer size */
347 int nb_streams; /* nb streams we are aware of */
352 /* init terminal so that we can grab keys */
353 static struct termios oldtty;
358 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
360 AVFilterContext *last_filter, *filter;
361 /** filter graph containing all filters including input & output */
362 AVCodecContext *codec = ost->st->codec;
363 AVCodecContext *icodec = ist->st->codec;
364 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
365 AVRational sample_aspect_ratio;
369 ost->graph = avfilter_graph_alloc();
371 if (ist->st->sample_aspect_ratio.num){
372 sample_aspect_ratio = ist->st->sample_aspect_ratio;
374 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
376 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
377 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
378 sample_aspect_ratio.num, sample_aspect_ratio.den);
380 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
381 "src", args, NULL, ost->graph);
384 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
385 "out", NULL, &ffsink_ctx, ost->graph);
388 last_filter = ost->input_video_filter;
390 if (codec->width != icodec->width || codec->height != icodec->height) {
391 snprintf(args, 255, "%d:%d:flags=0x%X",
395 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
396 NULL, args, NULL, ost->graph)) < 0)
398 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
400 last_filter = filter;
403 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
404 ost->graph->scale_sws_opts = av_strdup(args);
407 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
408 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
410 outputs->name = av_strdup("in");
411 outputs->filter_ctx = last_filter;
412 outputs->pad_idx = 0;
413 outputs->next = NULL;
415 inputs->name = av_strdup("out");
416 inputs->filter_ctx = ost->output_video_filter;
420 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
422 av_freep(&ost->avfilter);
424 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
428 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
431 codec->width = ost->output_video_filter->inputs[0]->w;
432 codec->height = ost->output_video_filter->inputs[0]->h;
433 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
434 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
435 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
436 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
440 #endif /* CONFIG_AVFILTER */
442 static void term_exit(void)
444 av_log(NULL, AV_LOG_QUIET, "");
447 tcsetattr (0, TCSANOW, &oldtty);
451 static volatile int received_sigterm = 0;
454 sigterm_handler(int sig)
456 received_sigterm = sig;
461 static void term_init(void)
471 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
472 |INLCR|IGNCR|ICRNL|IXON);
473 tty.c_oflag |= OPOST;
474 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
475 tty.c_cflag &= ~(CSIZE|PARENB);
480 tcsetattr (0, TCSANOW, &tty);
481 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
485 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
486 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
488 signal(SIGXCPU, sigterm_handler);
492 /* read a key without blocking */
493 static int read_key(void)
508 n = select(1, &rfds, NULL, NULL, &tv);
523 static int decode_interrupt_cb(void)
525 q_pressed += read_key() == 'q';
526 return q_pressed > 1;
529 static int ffmpeg_exit(int ret)
534 for(i=0;i<nb_output_files;i++) {
535 AVFormatContext *s = output_files[i];
536 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
538 avformat_free_context(s);
539 av_free(output_streams_for_file[i]);
541 for(i=0;i<nb_input_files;i++) {
542 av_close_input_file(input_files[i]);
543 av_free(input_files_ts_scale[i]);
546 av_free(intra_matrix);
547 av_free(inter_matrix);
551 av_free(vstats_filename);
553 av_free(streamid_map);
554 av_free(input_codecs);
555 av_free(output_codecs);
556 av_free(stream_maps);
557 av_free(meta_data_maps);
559 av_free(video_codec_name);
560 av_free(audio_codec_name);
561 av_free(subtitle_codec_name);
562 av_free(data_codec_name);
564 av_free(video_standard);
569 allocated_audio_buf_size= allocated_audio_out_size= 0;
576 if (received_sigterm) {
578 "Received signal %d: terminating.\n",
579 (int) received_sigterm);
583 exit(ret); /* not all OS-es handle main() return value */
587 /* similar to ff_dynarray_add() and av_fast_realloc() */
588 static void *grow_array(void *array, int elem_size, int *size, int new_size)
590 if (new_size >= INT_MAX / elem_size) {
591 fprintf(stderr, "Array too big.\n");
594 if (*size < new_size) {
595 uint8_t *tmp = av_realloc(array, new_size*elem_size);
597 fprintf(stderr, "Could not alloc buffer.\n");
600 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
607 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
609 if(codec && codec->sample_fmts){
610 const enum AVSampleFormat *p= codec->sample_fmts;
612 if(*p == st->codec->sample_fmt)
616 av_log(NULL, AV_LOG_WARNING,
617 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
618 av_get_sample_fmt_name(st->codec->sample_fmt),
620 av_get_sample_fmt_name(codec->sample_fmts[0]));
621 st->codec->sample_fmt = codec->sample_fmts[0];
626 static void choose_sample_rate(AVStream *st, AVCodec *codec)
628 if(codec && codec->supported_samplerates){
629 const int *p= codec->supported_samplerates;
631 int best_dist=INT_MAX;
633 int dist= abs(st->codec->sample_rate - *p);
634 if(dist < best_dist){
640 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
642 st->codec->sample_rate= best;
646 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
648 if(codec && codec->pix_fmts){
649 const enum PixelFormat *p= codec->pix_fmts;
650 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
651 if(st->codec->codec_id==CODEC_ID_MJPEG){
652 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
653 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
654 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};
658 if(*p == st->codec->pix_fmt)
662 if(st->codec->pix_fmt != PIX_FMT_NONE)
663 av_log(NULL, AV_LOG_WARNING,
664 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
665 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
667 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
668 st->codec->pix_fmt = codec->pix_fmts[0];
673 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
675 int idx = oc->nb_streams - 1;
678 output_streams_for_file[file_idx] =
679 grow_array(output_streams_for_file[file_idx],
680 sizeof(*output_streams_for_file[file_idx]),
681 &nb_output_streams_for_file[file_idx],
683 ost = output_streams_for_file[file_idx][idx] =
684 av_mallocz(sizeof(AVOutputStream));
686 fprintf(stderr, "Could not alloc output stream\n");
689 ost->file_index = file_idx;
692 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
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 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1231 enc->width, enc->height, enc->pix_fmt,
1232 ost->sws_flags, NULL, NULL, NULL);
1233 if (ost->img_resample_ctx == NULL) {
1234 fprintf(stderr, "Cannot get resampling context\n");
1238 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1239 0, ost->resample_height, ost->resample_frame.data, ost->resample_frame.linesize);
1243 /* duplicates frame if needed */
1244 for(i=0;i<nb_frames;i++) {
1246 av_init_packet(&pkt);
1247 pkt.stream_index= ost->index;
1249 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1250 /* raw pictures are written as AVPicture structure to
1251 avoid any copies. We support temorarily the older
1253 AVFrame* old_frame = enc->coded_frame;
1254 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1255 pkt.data= (uint8_t *)final_picture;
1256 pkt.size= sizeof(AVPicture);
1257 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1258 pkt.flags |= AV_PKT_FLAG_KEY;
1260 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1261 enc->coded_frame = old_frame;
1263 AVFrame big_picture;
1265 big_picture= *final_picture;
1266 /* better than nothing: use input picture interlaced
1268 big_picture.interlaced_frame = in_picture->interlaced_frame;
1269 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1270 if(top_field_first == -1)
1271 big_picture.top_field_first = in_picture->top_field_first;
1273 big_picture.top_field_first = top_field_first;
1276 /* handles sameq here. This is not correct because it may
1277 not be a global option */
1278 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1280 big_picture.pict_type = 0;
1281 // big_picture.pts = AV_NOPTS_VALUE;
1282 big_picture.pts= ost->sync_opts;
1283 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1284 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1285 if (ost->forced_kf_index < ost->forced_kf_count &&
1286 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1287 big_picture.pict_type = AV_PICTURE_TYPE_I;
1288 ost->forced_kf_index++;
1290 ret = avcodec_encode_video(enc,
1291 bit_buffer, bit_buffer_size,
1294 fprintf(stderr, "Video encoding failed\n");
1299 pkt.data= bit_buffer;
1301 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1302 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1303 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1304 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1305 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1307 if(enc->coded_frame->key_frame)
1308 pkt.flags |= AV_PKT_FLAG_KEY;
1309 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1312 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1313 // enc->frame_number-1, ret, enc->pict_type);
1314 /* if two pass, output log */
1315 if (ost->logfile && enc->stats_out) {
1316 fprintf(ost->logfile, "%s", enc->stats_out);
1321 ost->frame_number++;
1325 static double psnr(double d){
1326 return -10.0*log(d)/log(10.0);
1329 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1332 AVCodecContext *enc;
1334 double ti1, bitrate, avg_bitrate;
1336 /* this is executed just the first time do_video_stats is called */
1338 vstats_file = fopen(vstats_filename, "w");
1345 enc = ost->st->codec;
1346 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1347 frame_number = ost->frame_number;
1348 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1349 if (enc->flags&CODEC_FLAG_PSNR)
1350 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1352 fprintf(vstats_file,"f_size= %6d ", frame_size);
1353 /* compute pts value */
1354 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1358 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1359 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1360 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1361 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1362 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1366 static void print_report(AVFormatContext **output_files,
1367 AVOutputStream **ost_table, int nb_ostreams,
1371 AVOutputStream *ost;
1372 AVFormatContext *oc;
1374 AVCodecContext *enc;
1375 int frame_number, vid, i;
1376 double bitrate, ti1, pts;
1377 static int64_t last_time = -1;
1378 static int qp_histogram[52];
1380 if (!is_last_report) {
1382 /* display the report every 0.5 seconds */
1383 cur_time = av_gettime();
1384 if (last_time == -1) {
1385 last_time = cur_time;
1388 if ((cur_time - last_time) < 500000)
1390 last_time = cur_time;
1394 oc = output_files[0];
1396 total_size = avio_size(oc->pb);
1397 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1398 total_size= avio_tell(oc->pb);
1403 for(i=0;i<nb_ostreams;i++) {
1406 enc = ost->st->codec;
1407 if (!ost->st->stream_copy && enc->coded_frame)
1408 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1409 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1410 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1412 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1413 float t = (av_gettime()-timer_start) / 1000000.0;
1415 frame_number = ost->frame_number;
1416 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1417 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1423 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1428 if (enc->flags&CODEC_FLAG_PSNR){
1430 double error, error_sum=0;
1431 double scale, scale_sum=0;
1432 char type[3]= {'Y','U','V'};
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1436 error= enc->error[j];
1437 scale= enc->width*enc->height*255.0*255.0*frame_number;
1439 error= enc->coded_frame->error[j];
1440 scale= enc->width*enc->height*255.0*255.0;
1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1451 /* compute min output value */
1452 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1453 if ((pts < ti1) && (pts > 0))
1459 if (verbose > 0 || is_last_report) {
1460 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1462 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1463 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1464 (double)total_size / 1024, ti1, bitrate);
1466 if (nb_frames_dup || nb_frames_drop)
1467 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1468 nb_frames_dup, nb_frames_drop);
1471 fprintf(stderr, "%s \r", buf);
1476 if (is_last_report && verbose >= 0){
1477 int64_t raw= audio_size + video_size + extra_size;
1478 fprintf(stderr, "\n");
1479 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1483 100.0*(total_size - raw)/raw
1488 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1490 int fill_char = 0x00;
1491 if (sample_fmt == AV_SAMPLE_FMT_U8)
1493 memset(buf, fill_char, size);
1496 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1497 static int output_packet(AVInputStream *ist, int ist_index,
1498 AVOutputStream **ost_table, int nb_ostreams,
1499 const AVPacket *pkt)
1501 AVFormatContext *os;
1502 AVOutputStream *ost;
1506 void *buffer_to_free = NULL;
1507 static unsigned int samples_size= 0;
1508 AVSubtitle subtitle, *subtitle_to_free;
1509 int64_t pkt_pts = AV_NOPTS_VALUE;
1511 int frame_available;
1515 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1517 if(ist->next_pts == AV_NOPTS_VALUE)
1518 ist->next_pts= ist->pts;
1522 av_init_packet(&avpkt);
1530 if(pkt->dts != AV_NOPTS_VALUE)
1531 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1532 if(pkt->pts != AV_NOPTS_VALUE)
1533 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1535 //while we have more to decode or while the decoder did output something on EOF
1536 while (avpkt.size > 0 || (!pkt && got_output)) {
1537 uint8_t *data_buf, *decoded_data_buf;
1538 int data_size, decoded_data_size;
1540 ist->pts= ist->next_pts;
1542 if(avpkt.size && avpkt.size != pkt->size &&
1543 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1544 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1545 ist->showed_multi_packet_warning=1;
1548 /* decode the packet if needed */
1549 decoded_data_buf = NULL; /* fail safe */
1550 decoded_data_size= 0;
1551 data_buf = avpkt.data;
1552 data_size = avpkt.size;
1553 subtitle_to_free = NULL;
1554 if (ist->decoding_needed) {
1555 switch(ist->st->codec->codec_type) {
1556 case AVMEDIA_TYPE_AUDIO:{
1557 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1558 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1560 samples= av_malloc(samples_size);
1562 decoded_data_size= samples_size;
1563 /* XXX: could avoid copy if PCM 16 bits with same
1564 endianness as CPU */
1565 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1572 got_output = decoded_data_size > 0;
1573 /* Some bug in mpeg audio decoder gives */
1574 /* decoded_data_size < 0, it seems they are overflows */
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_output, &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_output, &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 */
2594 if (key == '+') verbose++;
2595 if (key == '-') verbose--;
2596 if (key == 's') qp_hist ^= 1;
2599 do_hex_dump = do_pkt_dump = 0;
2600 } else if(do_pkt_dump){
2604 av_log_set_level(AV_LOG_DEBUG);
2608 /* select the stream that we must read now by looking at the
2609 smallest output pts */
2611 for(i=0;i<nb_ostreams;i++) {
2614 os = output_files[ost->file_index];
2615 ist = ist_table[ost->source_index];
2616 if(ist->is_past_recording_time || no_packet[ist->file_index])
2618 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2619 ipts = (double)ist->pts;
2620 if (!file_table[ist->file_index].eof_reached){
2621 if(ipts < ipts_min) {
2623 if(input_sync ) file_index = ist->file_index;
2625 if(opts < opts_min) {
2627 if(!input_sync) file_index = ist->file_index;
2630 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2635 /* if none, if is finished */
2636 if (file_index < 0) {
2637 if(no_packet_count){
2639 memset(no_packet, 0, sizeof(no_packet));
2646 /* finish if limit size exhausted */
2647 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2650 /* read a frame from it and output it in the fifo */
2651 is = input_files[file_index];
2652 ret= av_read_frame(is, &pkt);
2653 if(ret == AVERROR(EAGAIN)){
2654 no_packet[file_index]=1;
2659 file_table[file_index].eof_reached = 1;
2667 memset(no_packet, 0, sizeof(no_packet));
2670 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2671 is->streams[pkt.stream_index]);
2673 /* the following test is needed in case new streams appear
2674 dynamically in stream : we ignore them */
2675 if (pkt.stream_index >= file_table[file_index].nb_streams)
2676 goto discard_packet;
2677 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2678 ist = ist_table[ist_index];
2680 goto discard_packet;
2682 if (pkt.dts != AV_NOPTS_VALUE)
2683 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2684 if (pkt.pts != AV_NOPTS_VALUE)
2685 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2687 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2688 && input_files_ts_scale[file_index][pkt.stream_index]){
2689 if(pkt.pts != AV_NOPTS_VALUE)
2690 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2691 if(pkt.dts != AV_NOPTS_VALUE)
2692 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2695 // 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);
2696 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2697 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2698 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2699 int64_t delta= pkt_dts - ist->next_pts;
2700 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2701 input_files_ts_offset[ist->file_index]-= delta;
2703 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2704 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2705 if(pkt.pts != AV_NOPTS_VALUE)
2706 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2710 /* finish if recording time exhausted */
2711 if (recording_time != INT64_MAX &&
2712 (pkt.pts != AV_NOPTS_VALUE || pkt.dts != AV_NOPTS_VALUE ?
2713 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2715 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2717 ist->is_past_recording_time = 1;
2718 goto discard_packet;
2721 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2722 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2725 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2726 ist->file_index, ist->index);
2729 av_free_packet(&pkt);
2734 av_free_packet(&pkt);
2736 /* dump report by using the output first video and audio streams */
2737 print_report(output_files, ost_table, nb_ostreams, 0);
2740 /* at the end of stream, we must flush the decoder buffers */
2741 for(i=0;i<nb_istreams;i++) {
2743 if (ist->decoding_needed) {
2744 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2750 /* write the trailer if needed and close file */
2751 for(i=0;i<nb_output_files;i++) {
2752 os = output_files[i];
2753 av_write_trailer(os);
2756 /* dump report by using the first video and audio streams */
2757 print_report(output_files, ost_table, nb_ostreams, 1);
2759 /* close each encoder */
2760 for(i=0;i<nb_ostreams;i++) {
2762 if (ost->encoding_needed) {
2763 av_freep(&ost->st->codec->stats_in);
2764 avcodec_close(ost->st->codec);
2767 avfilter_graph_free(&ost->graph);
2771 /* close each decoder */
2772 for(i=0;i<nb_istreams;i++) {
2774 if (ist->decoding_needed) {
2775 avcodec_close(ist->st->codec);
2783 av_freep(&bit_buffer);
2784 av_free(file_table);
2787 for(i=0;i<nb_istreams;i++) {
2794 for(i=0;i<nb_ostreams;i++) {
2797 if (ost->st->stream_copy)
2798 av_freep(&ost->st->codec->extradata);
2800 fclose(ost->logfile);
2801 ost->logfile = NULL;
2803 av_fifo_free(ost->fifo); /* works even if fifo is not
2804 initialized but set to zero */
2805 av_freep(&ost->st->codec->subtitle_header);
2806 av_free(ost->resample_frame.data[0]);
2807 av_free(ost->forced_kf_pts);
2808 if (ost->video_resample)
2809 sws_freeContext(ost->img_resample_ctx);
2811 audio_resample_close(ost->resample);
2812 if (ost->reformat_ctx)
2813 av_audio_convert_free(ost->reformat_ctx);
2822 static void opt_format(const char *arg)
2824 last_asked_format = arg;
2827 static void opt_video_rc_override_string(const char *arg)
2829 video_rc_override_string = arg;
2832 static int opt_me_threshold(const char *opt, const char *arg)
2834 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2838 static int opt_verbose(const char *opt, const char *arg)
2840 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2844 static int opt_frame_rate(const char *opt, const char *arg)
2846 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2847 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2853 static int opt_bitrate(const char *opt, const char *arg)
2855 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2857 opt_default(opt, arg);
2859 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2860 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2865 static int opt_frame_crop(const char *opt, const char *arg)
2867 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2868 return AVERROR(EINVAL);
2871 static void opt_frame_size(const char *arg)
2873 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2874 fprintf(stderr, "Incorrect frame size\n");
2879 static int opt_pad(const char *opt, const char *arg) {
2880 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2884 static void opt_frame_pix_fmt(const char *arg)
2886 if (strcmp(arg, "list")) {
2887 frame_pix_fmt = av_get_pix_fmt(arg);
2888 if (frame_pix_fmt == PIX_FMT_NONE) {
2889 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2898 static void opt_frame_aspect_ratio(const char *arg)
2905 p = strchr(arg, ':');
2907 x = strtol(arg, &end, 10);
2909 y = strtol(end+1, &end, 10);
2911 ar = (double)x / (double)y;
2913 ar = strtod(arg, NULL);
2916 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2919 frame_aspect_ratio = ar;
2922 static int opt_metadata(const char *opt, const char *arg)
2924 char *mid= strchr(arg, '=');
2927 fprintf(stderr, "Missing =\n");
2932 av_metadata_set2(&metadata, arg, mid, 0);
2937 static int opt_qscale(const char *opt, const char *arg)
2939 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2940 if (video_qscale <= 0 || video_qscale > 255) {
2941 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2942 return AVERROR(EINVAL);
2947 static int opt_top_field_first(const char *opt, const char *arg)
2949 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2953 static int opt_thread_count(const char *opt, const char *arg)
2955 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2958 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2963 static void opt_audio_sample_fmt(const char *arg)
2965 if (strcmp(arg, "list")) {
2966 audio_sample_fmt = av_get_sample_fmt(arg);
2967 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2968 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2974 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2975 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2980 static int opt_audio_rate(const char *opt, const char *arg)
2982 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2986 static int opt_audio_channels(const char *opt, const char *arg)
2988 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2992 static int opt_video_channel(const char *opt, const char *arg)
2994 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2998 static void opt_video_standard(const char *arg)
3000 video_standard = av_strdup(arg);
3003 static void opt_codec(int *pstream_copy, char **pcodec_name,
3004 int codec_type, const char *arg)
3006 av_freep(pcodec_name);
3007 if (!strcmp(arg, "copy")) {
3010 *pcodec_name = av_strdup(arg);
3014 static void opt_audio_codec(const char *arg)
3016 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3019 static void opt_video_codec(const char *arg)
3021 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3024 static void opt_subtitle_codec(const char *arg)
3026 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3029 static void opt_data_codec(const char *arg)
3031 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
3034 static int opt_codec_tag(const char *opt, const char *arg)
3037 uint32_t *codec_tag;
3039 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3040 !strcmp(opt, "vtag") ? &video_codec_tag :
3041 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3045 *codec_tag = strtol(arg, &tail, 0);
3047 *codec_tag = AV_RL32(arg);
3052 static void opt_map(const char *arg)
3057 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3058 m = &stream_maps[nb_stream_maps-1];
3060 m->file_index = strtol(arg, &p, 0);
3064 m->stream_index = strtol(p, &p, 0);
3067 m->sync_file_index = strtol(p, &p, 0);
3070 m->sync_stream_index = strtol(p, &p, 0);
3072 m->sync_file_index = m->file_index;
3073 m->sync_stream_index = m->stream_index;
3077 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3088 *index = strtol(++arg, endptr, 0);
3091 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3098 static void opt_map_metadata(const char *arg)
3100 AVMetaDataMap *m, *m1;
3103 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3104 &nb_meta_data_maps, nb_meta_data_maps + 1);
3106 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3107 m->file = strtol(arg, &p, 0);
3108 parse_meta_type(p, &m->type, &m->index, &p);
3112 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3113 m1->file = strtol(p, &p, 0);
3114 parse_meta_type(p, &m1->type, &m1->index, &p);
3116 if (m->type == 'g' || m1->type == 'g')
3117 metadata_global_autocopy = 0;
3118 if (m->type == 's' || m1->type == 's')
3119 metadata_streams_autocopy = 0;
3120 if (m->type == 'c' || m1->type == 'c')
3121 metadata_chapters_autocopy = 0;
3124 static void opt_map_meta_data(const char *arg)
3126 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3127 "Use -map_metadata instead.\n");
3128 opt_map_metadata(arg);
3131 static void opt_map_chapters(const char *arg)
3136 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3137 nb_chapter_maps + 1);
3138 c = &chapter_maps[nb_chapter_maps - 1];
3139 c->out_file = strtol(arg, &p, 0);
3143 c->in_file = strtol(p, &p, 0);
3146 static void opt_input_ts_scale(const char *arg)
3148 unsigned int stream;
3152 stream = strtol(arg, &p, 0);
3155 scale= strtod(p, &p);
3157 if(stream >= MAX_STREAMS)
3160 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);
3161 input_files_ts_scale[nb_input_files][stream]= scale;
3164 static int opt_recording_time(const char *opt, const char *arg)
3166 recording_time = parse_time_or_die(opt, arg, 1);
3170 static int opt_start_time(const char *opt, const char *arg)
3172 start_time = parse_time_or_die(opt, arg, 1);
3176 static int opt_recording_timestamp(const char *opt, const char *arg)
3178 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3182 static int opt_input_ts_offset(const char *opt, const char *arg)
3184 input_ts_offset = parse_time_or_die(opt, arg, 1);
3188 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3190 const char *codec_string = encoder ? "encoder" : "decoder";
3194 return CODEC_ID_NONE;
3196 avcodec_find_encoder_by_name(name) :
3197 avcodec_find_decoder_by_name(name);
3199 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3202 if(codec->type != type) {
3203 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3206 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3207 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3208 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3209 "results.\nAdd '-strict experimental' if you want to use it.\n",
3210 codec_string, codec->name);
3212 avcodec_find_encoder(codec->id) :
3213 avcodec_find_decoder(codec->id);
3214 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3215 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3216 codec_string, codec->name);
3222 static void opt_input_file(const char *filename)
3224 AVFormatContext *ic;
3225 AVFormatParameters params, *ap = ¶ms;
3226 AVInputFormat *file_iformat = NULL;
3227 int err, i, ret, rfps, rfps_base;
3230 if (last_asked_format) {
3231 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3232 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3235 last_asked_format = NULL;
3238 if (!strcmp(filename, "-"))
3241 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3242 !strcmp(filename, "/dev/stdin");
3244 /* get default parameters from command line */
3245 ic = avformat_alloc_context();
3247 print_error(filename, AVERROR(ENOMEM));
3251 memset(ap, 0, sizeof(*ap));
3252 ap->prealloced_context = 1;
3253 ap->sample_rate = audio_sample_rate;
3254 ap->channels = audio_channels;
3255 ap->time_base.den = frame_rate.num;
3256 ap->time_base.num = frame_rate.den;
3257 ap->width = frame_width;
3258 ap->height = frame_height;
3259 ap->pix_fmt = frame_pix_fmt;
3260 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3261 ap->channel = video_channel;
3262 ap->standard = video_standard;
3264 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3266 ic->video_codec_id =
3267 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3268 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3269 ic->audio_codec_id =
3270 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3271 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3272 ic->subtitle_codec_id=
3273 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3274 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3275 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3277 /* open the input file with generic libav function */
3278 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3280 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3281 err = av_demuxer_open(ic, ap);
3283 avformat_free_context(ic);
3286 print_error(filename, err);
3292 for(i=0; i<ic->nb_streams; i++){
3293 ic->streams[i]->discard= AVDISCARD_ALL;
3295 for(i=0; i<ic->nb_programs; i++){
3296 AVProgram *p= ic->programs[i];
3297 if(p->id != opt_programid){
3298 p->discard = AVDISCARD_ALL;
3301 for(j=0; j<p->nb_stream_indexes; j++){
3302 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3307 fprintf(stderr, "Specified program id not found\n");
3313 ic->loop_input = loop_input;
3315 /* If not enough info to get the stream parameters, we decode the
3316 first frames to get it. (used in mpeg case for example) */
3317 ret = av_find_stream_info(ic);
3318 if (ret < 0 && verbose >= 0) {
3319 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3320 av_close_input_file(ic);
3324 timestamp = start_time;
3325 /* add the stream start time */
3326 if (ic->start_time != AV_NOPTS_VALUE)
3327 timestamp += ic->start_time;
3329 /* if seeking requested, we execute it */
3330 if (start_time != 0) {
3331 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3333 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3334 filename, (double)timestamp / AV_TIME_BASE);
3336 /* reset seek info */
3340 /* update the current parameters so that they match the one of the input stream */
3341 for(i=0;i<ic->nb_streams;i++) {
3342 AVStream *st = ic->streams[i];
3343 AVCodecContext *dec = st->codec;
3344 dec->thread_count = thread_count;
3345 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3346 switch (dec->codec_type) {
3347 case AVMEDIA_TYPE_AUDIO:
3348 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3349 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]);
3350 channel_layout = dec->channel_layout;
3351 audio_channels = dec->channels;
3352 audio_sample_rate = dec->sample_rate;
3353 audio_sample_fmt = dec->sample_fmt;
3355 st->discard= AVDISCARD_ALL;
3356 /* Note that av_find_stream_info can add more streams, and we
3357 * currently have no chance of setting up lowres decoding
3358 * early enough for them. */
3360 audio_sample_rate >>= dec->lowres;
3362 case AVMEDIA_TYPE_VIDEO:
3363 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3364 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]);
3365 frame_height = dec->height;
3366 frame_width = dec->width;
3367 frame_pix_fmt = dec->pix_fmt;
3368 rfps = ic->streams[i]->r_frame_rate.num;
3369 rfps_base = ic->streams[i]->r_frame_rate.den;
3371 dec->flags |= CODEC_FLAG_EMU_EDGE;
3372 frame_height >>= dec->lowres;
3373 frame_width >>= dec->lowres;
3374 dec->height = frame_height;
3375 dec->width = frame_width;
3378 dec->debug |= FF_DEBUG_MV;
3380 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3383 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3384 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3386 (float)rfps / rfps_base, rfps, rfps_base);
3388 /* update the current frame rate to match the stream frame rate */
3389 frame_rate.num = rfps;
3390 frame_rate.den = rfps_base;
3393 st->discard= AVDISCARD_ALL;
3394 else if(video_discard)
3395 st->discard= video_discard;
3397 case AVMEDIA_TYPE_DATA:
3399 case AVMEDIA_TYPE_SUBTITLE:
3400 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3401 if(subtitle_disable)
3402 st->discard = AVDISCARD_ALL;
3404 case AVMEDIA_TYPE_ATTACHMENT:
3405 case AVMEDIA_TYPE_UNKNOWN:
3412 input_files[nb_input_files] = ic;
3413 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3414 /* dump the file content */
3416 av_dump_format(ic, nb_input_files, filename, 0);
3422 av_freep(&video_codec_name);
3423 av_freep(&audio_codec_name);
3424 av_freep(&subtitle_codec_name);
3429 static void check_inputs(int *has_video_ptr,
3431 int *has_subtitle_ptr,
3434 int has_video, has_audio, has_subtitle, has_data, i, j;
3435 AVFormatContext *ic;
3442 for(j=0;j<nb_input_files;j++) {
3443 ic = input_files[j];
3444 for(i=0;i<ic->nb_streams;i++) {
3445 AVCodecContext *enc = ic->streams[i]->codec;
3446 switch(enc->codec_type) {
3447 case AVMEDIA_TYPE_AUDIO:
3450 case AVMEDIA_TYPE_VIDEO:
3453 case AVMEDIA_TYPE_SUBTITLE:
3456 case AVMEDIA_TYPE_DATA:
3457 case AVMEDIA_TYPE_ATTACHMENT:
3458 case AVMEDIA_TYPE_UNKNOWN:
3466 *has_video_ptr = has_video;
3467 *has_audio_ptr = has_audio;
3468 *has_subtitle_ptr = has_subtitle;
3469 *has_data_ptr = has_data;
3472 static void new_video_stream(AVFormatContext *oc, int file_idx)
3475 AVOutputStream *ost;
3476 AVCodecContext *video_enc;
3477 enum CodecID codec_id = CODEC_ID_NONE;
3478 AVCodec *codec= NULL;
3480 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3482 fprintf(stderr, "Could not alloc stream\n");
3485 ost = new_output_stream(oc, file_idx);
3487 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3488 if(!video_stream_copy){
3489 if (video_codec_name) {
3490 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3491 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3492 codec = avcodec_find_encoder_by_name(video_codec_name);
3493 output_codecs[nb_output_codecs-1] = codec;
3495 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3496 codec = avcodec_find_encoder(codec_id);
3498 ost->frame_aspect_ratio = frame_aspect_ratio;
3499 frame_aspect_ratio = 0;
3501 ost->avfilter= vfilters;
3506 avcodec_get_context_defaults3(st->codec, codec);
3507 ost->bitstream_filters = video_bitstream_filters;
3508 video_bitstream_filters= NULL;
3510 st->codec->thread_count= thread_count;
3512 video_enc = st->codec;
3515 video_enc->codec_tag= video_codec_tag;
3517 if( (video_global_header&1)
3518 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3519 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3520 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3522 if(video_global_header&2){
3523 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3524 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3527 if (video_stream_copy) {
3528 st->stream_copy = 1;
3529 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3530 video_enc->sample_aspect_ratio =
3531 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3535 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3537 video_enc->codec_id = codec_id;
3538 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3540 if (codec && codec->supported_framerates && !force_fps)
3541 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3542 video_enc->time_base.den = fps.num;
3543 video_enc->time_base.num = fps.den;
3545 video_enc->width = frame_width;
3546 video_enc->height = frame_height;
3547 video_enc->pix_fmt = frame_pix_fmt;
3548 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3549 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3551 choose_pixel_fmt(st, codec);
3554 video_enc->gop_size = 0;
3555 if (video_qscale || same_quality) {
3556 video_enc->flags |= CODEC_FLAG_QSCALE;
3557 video_enc->global_quality=
3558 st->quality = FF_QP2LAMBDA * video_qscale;
3562 video_enc->intra_matrix = intra_matrix;
3564 video_enc->inter_matrix = inter_matrix;
3566 p= video_rc_override_string;
3569 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3571 fprintf(stderr, "error parsing rc_override\n");
3574 video_enc->rc_override=
3575 av_realloc(video_enc->rc_override,
3576 sizeof(RcOverride)*(i+1));
3577 video_enc->rc_override[i].start_frame= start;
3578 video_enc->rc_override[i].end_frame = end;
3580 video_enc->rc_override[i].qscale= q;
3581 video_enc->rc_override[i].quality_factor= 1.0;
3584 video_enc->rc_override[i].qscale= 0;
3585 video_enc->rc_override[i].quality_factor= -q/100.0;
3590 video_enc->rc_override_count=i;
3591 if (!video_enc->rc_initial_buffer_occupancy)
3592 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3593 video_enc->me_threshold= me_threshold;
3594 video_enc->intra_dc_precision= intra_dc_precision - 8;
3597 video_enc->flags|= CODEC_FLAG_PSNR;
3602 video_enc->flags |= CODEC_FLAG_PASS1;
3604 video_enc->flags |= CODEC_FLAG_PASS2;
3608 if (forced_key_frames)
3609 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3611 if (video_language) {
3612 av_metadata_set2(&st->metadata, "language", video_language, 0);
3613 av_freep(&video_language);
3616 /* reset some key parameters */
3618 av_freep(&video_codec_name);
3619 av_freep(&forced_key_frames);
3620 video_stream_copy = 0;
3621 frame_pix_fmt = PIX_FMT_NONE;
3624 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3627 AVOutputStream *ost;
3628 AVCodec *codec= NULL;
3629 AVCodecContext *audio_enc;
3630 enum CodecID codec_id = CODEC_ID_NONE;
3632 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3634 fprintf(stderr, "Could not alloc stream\n");
3637 ost = new_output_stream(oc, file_idx);
3639 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3640 if(!audio_stream_copy){
3641 if (audio_codec_name) {
3642 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3643 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3644 codec = avcodec_find_encoder_by_name(audio_codec_name);
3645 output_codecs[nb_output_codecs-1] = codec;
3647 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3648 codec = avcodec_find_encoder(codec_id);
3652 avcodec_get_context_defaults3(st->codec, codec);
3654 ost->bitstream_filters = audio_bitstream_filters;
3655 audio_bitstream_filters= NULL;
3657 st->codec->thread_count= thread_count;
3659 audio_enc = st->codec;
3660 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3663 audio_enc->codec_tag= audio_codec_tag;
3665 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3666 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3667 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3669 if (audio_stream_copy) {
3670 st->stream_copy = 1;
3671 audio_enc->channels = audio_channels;
3672 audio_enc->sample_rate = audio_sample_rate;
3674 audio_enc->codec_id = codec_id;
3675 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3677 if (audio_qscale > QSCALE_NONE) {
3678 audio_enc->flags |= CODEC_FLAG_QSCALE;
3679 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3681 audio_enc->channels = audio_channels;
3682 audio_enc->sample_fmt = audio_sample_fmt;
3683 audio_enc->sample_rate = audio_sample_rate;
3684 audio_enc->channel_layout = channel_layout;
3685 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3686 audio_enc->channel_layout = 0;
3687 choose_sample_fmt(st, codec);
3688 choose_sample_rate(st, codec);
3690 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3691 if (audio_language) {
3692 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3693 av_freep(&audio_language);
3696 /* reset some key parameters */
3698 av_freep(&audio_codec_name);
3699 audio_stream_copy = 0;
3702 static void new_data_stream(AVFormatContext *oc, int file_idx)
3705 AVOutputStream *ost;
3706 AVCodec *codec=NULL;
3707 AVCodecContext *data_enc;
3709 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3711 fprintf(stderr, "Could not alloc stream\n");
3714 ost = new_output_stream(oc, file_idx);
3715 data_enc = st->codec;
3716 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3717 if (!data_stream_copy) {
3718 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3721 avcodec_get_context_defaults3(st->codec, codec);
3723 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3726 data_enc->codec_tag= data_codec_tag;
3728 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3729 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3730 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3732 if (data_stream_copy) {
3733 st->stream_copy = 1;
3737 av_freep(&data_codec_name);
3738 data_stream_copy = 0;
3741 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3744 AVOutputStream *ost;
3745 AVCodec *codec=NULL;
3746 AVCodecContext *subtitle_enc;
3747 enum CodecID codec_id = CODEC_ID_NONE;
3749 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3751 fprintf(stderr, "Could not alloc stream\n");
3754 ost = new_output_stream(oc, file_idx);
3755 subtitle_enc = st->codec;
3756 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3757 if(!subtitle_stream_copy){
3758 if (subtitle_codec_name) {
3759 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3760 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3761 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3763 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3764 codec = avcodec_find_encoder(codec_id);
3767 avcodec_get_context_defaults3(st->codec, codec);
3769 ost->bitstream_filters = subtitle_bitstream_filters;
3770 subtitle_bitstream_filters= NULL;
3772 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3774 if(subtitle_codec_tag)
3775 subtitle_enc->codec_tag= subtitle_codec_tag;
3777 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3778 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3779 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3781 if (subtitle_stream_copy) {
3782 st->stream_copy = 1;
3784 subtitle_enc->codec_id = codec_id;
3785 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3788 if (subtitle_language) {
3789 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3790 av_freep(&subtitle_language);
3793 subtitle_disable = 0;
3794 av_freep(&subtitle_codec_name);
3795 subtitle_stream_copy = 0;
3798 static int opt_new_stream(const char *opt, const char *arg)
3800 AVFormatContext *oc;
3801 int file_idx = nb_output_files - 1;
3802 if (nb_output_files <= 0) {
3803 fprintf(stderr, "At least one output file must be specified\n");
3806 oc = output_files[file_idx];
3808 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3809 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3810 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3811 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3816 /* arg format is "output-stream-index:streamid-value". */
3817 static int opt_streamid(const char *opt, const char *arg)
3823 av_strlcpy(idx_str, arg, sizeof(idx_str));
3824 p = strchr(idx_str, ':');
3827 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3832 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3833 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3834 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3838 static void opt_output_file(const char *filename)
3840 AVFormatContext *oc;
3841 int err, use_video, use_audio, use_subtitle, use_data;
3842 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3843 AVFormatParameters params, *ap = ¶ms;
3844 AVOutputFormat *file_oformat;
3846 if (!strcmp(filename, "-"))
3849 oc = avformat_alloc_output_context(last_asked_format, NULL, filename);
3850 last_asked_format = NULL;
3852 print_error(filename, AVERROR(ENOMEM));
3855 file_oformat= oc->oformat;
3857 if (!strcmp(file_oformat->name, "ffm") &&
3858 av_strstart(filename, "http:", NULL)) {
3859 /* special case for files sent to ffserver: we get the stream
3860 parameters from ffserver */
3861 int err = read_ffserver_streams(oc, filename);
3863 print_error(filename, err);
3867 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3868 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3869 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3870 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 */
3872 /* disable if no corresponding type found and at least one
3874 if (nb_input_files > 0) {
3875 check_inputs(&input_has_video,
3877 &input_has_subtitle,
3880 if (!input_has_video)
3882 if (!input_has_audio)
3884 if (!input_has_subtitle)
3886 if (!input_has_data)
3890 /* manual disable */
3891 if (audio_disable) use_audio = 0;
3892 if (video_disable) use_video = 0;
3893 if (subtitle_disable) use_subtitle = 0;
3894 if (data_disable) use_data = 0;
3896 if (use_video) new_video_stream(oc, nb_output_files);
3897 if (use_audio) new_audio_stream(oc, nb_output_files);
3898 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3899 if (use_data) new_data_stream(oc, nb_output_files);
3901 oc->timestamp = recording_timestamp;
3903 av_metadata_copy(&oc->metadata, metadata, 0);
3904 av_metadata_free(&metadata);
3907 output_files[nb_output_files++] = oc;
3909 /* check filename in case of an image number is expected */
3910 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3911 if (!av_filename_number_test(oc->filename)) {
3912 print_error(oc->filename, AVERROR(EINVAL));
3917 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3918 /* test if it already exists to avoid loosing precious files */
3919 if (!file_overwrite &&
3920 (strchr(filename, ':') == NULL ||
3921 filename[1] == ':' ||
3922 av_strstart(filename, "file:", NULL))) {
3923 if (avio_check(filename, 0) == 0) {
3925 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3927 if (!read_yesno()) {
3928 fprintf(stderr, "Not overwriting - exiting\n");
3933 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3940 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3941 print_error(filename, err);
3946 memset(ap, 0, sizeof(*ap));
3947 if (av_set_parameters(oc, ap) < 0) {
3948 fprintf(stderr, "%s: Invalid encoding parameters\n",
3953 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3954 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3955 oc->loop_output = loop_output;
3957 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3959 av_freep(&forced_key_frames);
3964 /* same option as mencoder */
3965 static int opt_pass(const char *opt, const char *arg)
3967 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3971 static int64_t getutime(void)
3974 struct rusage rusage;
3976 getrusage(RUSAGE_SELF, &rusage);
3977 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3978 #elif HAVE_GETPROCESSTIMES
3980 FILETIME c, e, k, u;
3981 proc = GetCurrentProcess();
3982 GetProcessTimes(proc, &c, &e, &k, &u);
3983 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3985 return av_gettime();
3989 static int64_t getmaxrss(void)
3991 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3992 struct rusage rusage;
3993 getrusage(RUSAGE_SELF, &rusage);
3994 return (int64_t)rusage.ru_maxrss * 1024;
3995 #elif HAVE_GETPROCESSMEMORYINFO
3997 PROCESS_MEMORY_COUNTERS memcounters;
3998 proc = GetCurrentProcess();
3999 memcounters.cb = sizeof(memcounters);
4000 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4001 return memcounters.PeakPagefileUsage;
4007 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4010 const char *p = str;
4017 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4024 static void opt_inter_matrix(const char *arg)
4026 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4027 parse_matrix_coeffs(inter_matrix, arg);
4030 static void opt_intra_matrix(const char *arg)
4032 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4033 parse_matrix_coeffs(intra_matrix, arg);
4036 static void show_usage(void)
4038 printf("Hyper fast Audio and Video encoder\n");
4039 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4043 static void show_help(void)
4046 AVOutputFormat *oformat = NULL;
4048 av_log_set_callback(log_callback_help);
4050 show_help_options(options, "Main options:\n",
4051 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4052 show_help_options(options, "\nAdvanced options:\n",
4053 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4055 show_help_options(options, "\nVideo options:\n",
4056 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4058 show_help_options(options, "\nAdvanced Video options:\n",
4059 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4060 OPT_VIDEO | OPT_EXPERT);
4061 show_help_options(options, "\nAudio options:\n",
4062 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4064 show_help_options(options, "\nAdvanced Audio options:\n",
4065 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4066 OPT_AUDIO | OPT_EXPERT);
4067 show_help_options(options, "\nSubtitle options:\n",
4068 OPT_SUBTITLE | OPT_GRAB,
4070 show_help_options(options, "\nAudio/Video grab options:\n",
4074 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4077 /* individual codec options */
4079 while ((c = av_codec_next(c))) {
4080 if (c->priv_class) {
4081 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4086 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4089 /* individual muxer options */
4090 while ((oformat = av_oformat_next(oformat))) {
4091 if (oformat->priv_class) {
4092 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4097 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4100 static void opt_target(const char *arg)
4102 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4103 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4105 if(!strncmp(arg, "pal-", 4)) {
4108 } else if(!strncmp(arg, "ntsc-", 5)) {
4111 } else if(!strncmp(arg, "film-", 5)) {
4116 /* Calculate FR via float to avoid int overflow */
4117 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4120 } else if((fr == 29970) || (fr == 23976)) {
4123 /* Try to determine PAL/NTSC by peeking in the input files */
4124 if(nb_input_files) {
4126 for(j = 0; j < nb_input_files; j++) {
4127 for(i = 0; i < input_files[j]->nb_streams; i++) {
4128 AVCodecContext *c = input_files[j]->streams[i]->codec;
4129 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4131 fr = c->time_base.den * 1000 / c->time_base.num;
4135 } else if((fr == 29970) || (fr == 23976)) {
4145 if(verbose > 0 && norm != UNKNOWN)
4146 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4149 if(norm == UNKNOWN) {
4150 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4151 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4152 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4156 if(!strcmp(arg, "vcd")) {
4158 opt_video_codec("mpeg1video");
4159 opt_audio_codec("mp2");
4162 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4163 opt_frame_rate(NULL, frame_rates[norm]);
4164 opt_default("g", norm == PAL ? "15" : "18");
4166 opt_default("b", "1150000");
4167 opt_default("maxrate", "1150000");
4168 opt_default("minrate", "1150000");
4169 opt_default("bufsize", "327680"); // 40*1024*8;
4171 opt_default("ab", "224000");
4172 audio_sample_rate = 44100;
4175 opt_default("packetsize", "2324");
4176 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4178 /* We have to offset the PTS, so that it is consistent with the SCR.
4179 SCR starts at 36000, but the first two packs contain only padding
4180 and the first pack from the other stream, respectively, may also have
4181 been written before.
4182 So the real data starts at SCR 36000+3*1200. */
4183 mux_preload= (36000+3*1200) / 90000.0; //0.44
4184 } else if(!strcmp(arg, "svcd")) {
4186 opt_video_codec("mpeg2video");
4187 opt_audio_codec("mp2");
4190 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4191 opt_frame_rate(NULL, frame_rates[norm]);
4192 opt_default("g", norm == PAL ? "15" : "18");
4194 opt_default("b", "2040000");
4195 opt_default("maxrate", "2516000");
4196 opt_default("minrate", "0"); //1145000;
4197 opt_default("bufsize", "1835008"); //224*1024*8;
4198 opt_default("flags", "+scan_offset");
4201 opt_default("ab", "224000");
4202 audio_sample_rate = 44100;
4204 opt_default("packetsize", "2324");
4206 } else if(!strcmp(arg, "dvd")) {
4208 opt_video_codec("mpeg2video");
4209 opt_audio_codec("ac3");
4212 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4213 opt_frame_rate(NULL, frame_rates[norm]);
4214 opt_default("g", norm == PAL ? "15" : "18");
4216 opt_default("b", "6000000");
4217 opt_default("maxrate", "9000000");
4218 opt_default("minrate", "0"); //1500000;
4219 opt_default("bufsize", "1835008"); //224*1024*8;
4221 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4222 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4224 opt_default("ab", "448000");
4225 audio_sample_rate = 48000;
4227 } else if(!strncmp(arg, "dv", 2)) {
4231 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4232 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4233 (norm == PAL ? "yuv420p" : "yuv411p"));
4234 opt_frame_rate(NULL, frame_rates[norm]);
4236 audio_sample_rate = 48000;
4240 fprintf(stderr, "Unknown target: %s\n", arg);
4245 static void opt_vstats_file (const char *arg)
4247 av_free (vstats_filename);
4248 vstats_filename=av_strdup (arg);
4251 static void opt_vstats (void)
4254 time_t today2 = time(NULL);
4255 struct tm *today = localtime(&today2);
4257 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4259 opt_vstats_file(filename);
4262 static int opt_bsf(const char *opt, const char *arg)
4264 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4265 AVBitStreamFilterContext **bsfp;
4268 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4272 bsfp= *opt == 'v' ? &video_bitstream_filters :
4273 *opt == 'a' ? &audio_bitstream_filters :
4274 &subtitle_bitstream_filters;
4276 bsfp= &(*bsfp)->next;
4283 static int opt_preset(const char *opt, const char *arg)
4286 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4287 char *codec_name = *opt == 'v' ? video_codec_name :
4288 *opt == 'a' ? audio_codec_name :
4289 subtitle_codec_name;
4291 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4292 fprintf(stderr, "File for preset '%s' not found\n", arg);
4297 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4298 if(line[0] == '#' && !e)
4300 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4302 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4305 if(!strcmp(tmp, "acodec")){
4306 opt_audio_codec(tmp2);
4307 }else if(!strcmp(tmp, "vcodec")){
4308 opt_video_codec(tmp2);
4309 }else if(!strcmp(tmp, "scodec")){
4310 opt_subtitle_codec(tmp2);
4311 }else if(!strcmp(tmp, "dcodec")){
4312 opt_data_codec(tmp2);
4313 }else if(opt_default(tmp, tmp2) < 0){
4314 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4324 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4328 static void opt_passlogfile(const char *arg)
4330 pass_logfilename_prefix = arg;
4331 opt_default("passlogfile", arg);
4334 static const OptionDef options[] = {
4336 #include "cmdutils_common_opts.h"
4337 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4338 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4339 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4340 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4341 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4342 "outfile[,metadata]:infile[,metadata]" },
4343 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4344 "outfile[,metadata]:infile[,metadata]" },
4345 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4346 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4347 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4348 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4349 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4350 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4351 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4352 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4353 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4354 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4355 "add timings for benchmarking" },
4356 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4357 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4358 "dump each input packet" },
4359 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4360 "when dumping packets, also dump the payload" },
4361 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4362 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4363 { "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)", "" },
4364 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4365 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4366 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4367 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4368 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4369 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4370 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4371 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4372 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4373 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4374 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4375 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4376 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4377 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4380 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4381 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4382 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4383 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4384 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4385 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4386 { "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" },
4387 { "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" },
4388 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4389 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4390 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4391 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4392 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4393 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4394 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4395 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4396 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4397 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4398 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4399 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4400 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4401 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4402 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4403 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4404 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4405 "use same quantizer as source (implies VBR)" },
4406 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4407 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4408 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4409 "deinterlace pictures" },
4410 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4411 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4412 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4414 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4416 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4417 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4418 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4419 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4420 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4421 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4422 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4423 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4424 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4425 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4426 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4429 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4430 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4431 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4432 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4433 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4434 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4435 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4436 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4437 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4438 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4439 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4440 { "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" },
4442 /* subtitle options */
4443 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4444 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4445 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4446 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4447 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4450 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4451 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4452 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4455 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4456 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4458 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4459 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4460 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4462 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4463 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4464 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4465 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4466 /* data codec support */
4467 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4469 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4473 int main(int argc, char **argv)
4477 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4479 if(argc>1 && !strcmp(argv[1], "-d")){
4482 av_log_set_callback(log_callback_null);
4487 avcodec_register_all();
4489 avdevice_register_all();
4492 avfilter_register_all();
4497 if(isatty(STDIN_FILENO))
4498 avio_set_interrupt_cb(decode_interrupt_cb);
4506 parse_options(argc, argv, options, opt_output_file);
4508 if(nb_output_files <= 0 && nb_input_files == 0) {
4510 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4514 /* file converter / grab */
4515 if (nb_output_files <= 0) {
4516 fprintf(stderr, "At least one output file must be specified\n");
4520 if (nb_input_files == 0) {
4521 fprintf(stderr, "At least one input file must be specified\n");
4526 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4527 stream_maps, nb_stream_maps) < 0)
4529 ti = getutime() - ti;
4531 int maxrss = getmaxrss() / 1024;
4532 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4535 return ffmpeg_exit(0);