3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int qp_hist = 0;
157 static char *vfilters = NULL;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static unsigned int audio_codec_tag = 0;
166 static char *audio_language = NULL;
168 static int subtitle_disable = 0;
169 static char *subtitle_language = NULL;
170 static unsigned int subtitle_codec_tag = 0;
172 static int data_disable = 0;
173 static unsigned int data_codec_tag = 0;
175 static float mux_preload= 0.5;
176 static float mux_max_delay= 0.7;
178 static int64_t recording_time = INT64_MAX;
179 static int64_t start_time = 0;
180 static int64_t input_ts_offset = 0;
181 static int file_overwrite = 0;
182 static AVDictionary *metadata;
183 static int do_benchmark = 0;
184 static int do_hex_dump = 0;
185 static int do_pkt_dump = 0;
186 static int do_psnr = 0;
187 static int do_pass = 0;
188 static const char *pass_logfilename_prefix;
189 static int video_sync_method= -1;
190 static int audio_sync_method= 0;
191 static float audio_drift_threshold= 0.1;
192 static int copy_ts= 0;
193 static int copy_tb= 0;
194 static int opt_shortest = 0;
195 static char *vstats_filename;
196 static FILE *vstats_file;
197 static int opt_programid = 0;
198 static int copy_initial_nonkeyframes = 0;
200 static int rate_emu = 0;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int run_as_daemon = 0;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = UINT64_MAX;
217 static int force_fps = 0;
218 static char *forced_key_frames = NULL;
220 static float dts_delta_threshold = 10;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
234 typedef struct InputStream {
237 int discard; /* true if stream data should be discarded */
238 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
241 int64_t start; /* time when read started */
242 int64_t next_pts; /* synthetic pts for cases where pkt.pts
244 int64_t pts; /* current pts */
246 int is_start; /* is 1 at the start and after a discontinuity */
247 int showed_multi_packet_warning;
251 typedef struct InputFile {
252 AVFormatContext *ctx;
253 int eof_reached; /* true if eof reached */
254 int ist_index; /* index of first stream in ist_table */
255 int buffer_size; /* current total buffer size */
260 typedef struct OutputStream {
261 int file_index; /* file index */
262 int index; /* stream index in the output file */
263 int source_index; /* InputStream index */
264 AVStream *st; /* stream in the output file */
265 int encoding_needed; /* true if encoding needed for this stream */
267 /* input pts and corresponding output pts
269 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
270 struct InputStream *sync_ist; /* input stream to sync against */
271 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
272 AVBitStreamFilterContext *bitstream_filters;
277 AVFrame resample_frame; /* temporary frame for image resampling */
278 struct SwsContext *img_resample_ctx; /* for image resampling */
281 int resample_pix_fmt;
282 AVRational frame_rate;
284 float frame_aspect_ratio;
286 /* forced key frames */
287 int64_t *forced_kf_pts;
293 ReSampleContext *resample; /* for audio resampling */
294 int resample_sample_fmt;
295 int resample_channels;
296 int resample_sample_rate;
298 AVAudioConvert *reformat_ctx;
299 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
303 AVFilterContext *output_video_filter;
304 AVFilterContext *input_video_filter;
305 AVFilterBufferRef *picref;
307 AVFilterGraph *graph;
312 int is_past_recording_time;
317 /* init terminal so that we can grab keys */
318 static struct termios oldtty;
321 typedef struct OutputFile {
322 AVFormatContext *ctx;
324 int ost_index; /* index of the first stream in output_streams */
325 int64_t recording_time; /* desired length of the resulting file in microseconds */
326 int64_t start_time; /* start time in microseconds */
327 uint64_t limit_filesize;
330 static InputStream *input_streams = NULL;
331 static int nb_input_streams = 0;
332 static InputFile *input_files = NULL;
333 static int nb_input_files = 0;
335 static OutputStream *output_streams = NULL;
336 static int nb_output_streams = 0;
337 static OutputFile *output_files = NULL;
338 static int nb_output_files = 0;
342 static int configure_video_filters(InputStream *ist, OutputStream *ost)
344 AVFilterContext *last_filter, *filter;
345 /** filter graph containing all filters including input & output */
346 AVCodecContext *codec = ost->st->codec;
347 AVCodecContext *icodec = ist->st->codec;
348 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
349 AVRational sample_aspect_ratio;
353 ost->graph = avfilter_graph_alloc();
355 if (ist->st->sample_aspect_ratio.num){
356 sample_aspect_ratio = ist->st->sample_aspect_ratio;
358 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
360 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
361 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
362 sample_aspect_ratio.num, sample_aspect_ratio.den);
364 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
365 "src", args, NULL, ost->graph);
368 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
369 "out", NULL, pix_fmts, ost->graph);
372 last_filter = ost->input_video_filter;
374 if (codec->width != icodec->width || codec->height != icodec->height) {
375 snprintf(args, 255, "%d:%d:flags=0x%X",
379 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
380 NULL, args, NULL, ost->graph)) < 0)
382 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
384 last_filter = filter;
387 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
388 ost->graph->scale_sws_opts = av_strdup(args);
391 AVFilterInOut *outputs = avfilter_inout_alloc();
392 AVFilterInOut *inputs = avfilter_inout_alloc();
394 outputs->name = av_strdup("in");
395 outputs->filter_ctx = last_filter;
396 outputs->pad_idx = 0;
397 outputs->next = NULL;
399 inputs->name = av_strdup("out");
400 inputs->filter_ctx = ost->output_video_filter;
404 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
406 av_freep(&ost->avfilter);
408 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
412 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
415 codec->width = ost->output_video_filter->inputs[0]->w;
416 codec->height = ost->output_video_filter->inputs[0]->h;
417 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
418 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
419 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
420 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
424 #endif /* CONFIG_AVFILTER */
426 static void term_exit(void)
428 av_log(NULL, AV_LOG_QUIET, "%s", "");
431 tcsetattr (0, TCSANOW, &oldtty);
435 static volatile int received_sigterm = 0;
438 sigterm_handler(int sig)
440 received_sigterm = sig;
445 static void term_init(void)
455 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
456 |INLCR|IGNCR|ICRNL|IXON);
457 tty.c_oflag |= OPOST;
458 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
459 tty.c_cflag &= ~(CSIZE|PARENB);
464 tcsetattr (0, TCSANOW, &tty);
465 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
469 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
470 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
472 signal(SIGXCPU, sigterm_handler);
476 /* read a key without blocking */
477 static int read_key(void)
492 n = select(1, &rfds, NULL, NULL, &tv);
507 static int decode_interrupt_cb(void)
509 q_pressed += read_key() == 'q';
510 return q_pressed > 1;
513 static int exit_program(int ret)
518 for(i=0;i<nb_output_files;i++) {
519 AVFormatContext *s = output_files[i].ctx;
520 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
522 avformat_free_context(s);
523 av_dict_free(&output_files[i].opts);
525 for(i=0;i<nb_input_files;i++) {
526 av_close_input_file(input_files[i].ctx);
528 for (i = 0; i < nb_input_streams; i++)
529 av_dict_free(&input_streams[i].opts);
531 av_free(intra_matrix);
532 av_free(inter_matrix);
536 av_free(vstats_filename);
538 av_free(meta_data_maps);
540 av_freep(&input_streams);
541 av_freep(&input_files);
542 av_freep(&output_streams);
543 av_freep(&output_files);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
555 if (received_sigterm) {
557 "Received signal %d: terminating.\n",
558 (int) received_sigterm);
562 exit(ret); /* not all OS-es handle main() return value */
566 static void assert_avoptions(AVDictionary *m)
568 AVDictionaryEntry *t;
569 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
570 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
575 static void assert_codec_experimental(AVCodecContext *c, int encoder)
577 const char *codec_string = encoder ? "encoder" : "decoder";
579 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
580 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
581 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
582 "results.\nAdd '-strict experimental' if you want to use it.\n",
583 codec_string, c->codec->name);
584 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
585 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
586 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
587 codec_string, codec->name);
592 /* similar to ff_dynarray_add() and av_fast_realloc() */
593 static void *grow_array(void *array, int elem_size, int *size, int new_size)
595 if (new_size >= INT_MAX / elem_size) {
596 fprintf(stderr, "Array too big.\n");
599 if (*size < new_size) {
600 uint8_t *tmp = av_realloc(array, new_size*elem_size);
602 fprintf(stderr, "Could not alloc buffer.\n");
605 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
612 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
614 if(codec && codec->sample_fmts){
615 const enum AVSampleFormat *p= codec->sample_fmts;
617 if(*p == st->codec->sample_fmt)
621 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
622 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
623 if(av_get_sample_fmt_name(st->codec->sample_fmt))
624 av_log(NULL, AV_LOG_WARNING,
625 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
626 av_get_sample_fmt_name(st->codec->sample_fmt),
628 av_get_sample_fmt_name(codec->sample_fmts[0]));
629 st->codec->sample_fmt = codec->sample_fmts[0];
634 static void choose_sample_rate(AVStream *st, AVCodec *codec)
636 if(codec && codec->supported_samplerates){
637 const int *p= codec->supported_samplerates;
639 int best_dist=INT_MAX;
641 int dist= abs(st->codec->sample_rate - *p);
642 if(dist < best_dist){
648 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
650 st->codec->sample_rate= best;
654 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
656 if(codec && codec->pix_fmts){
657 const enum PixelFormat *p= codec->pix_fmts;
658 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
659 if(st->codec->codec_id==CODEC_ID_MJPEG){
660 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
661 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
662 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};
666 if(*p == st->codec->pix_fmt)
670 if(st->codec->pix_fmt != PIX_FMT_NONE)
671 av_log(NULL, AV_LOG_WARNING,
672 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
673 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
675 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
676 st->codec->pix_fmt = codec->pix_fmts[0];
682 get_sync_ipts(const OutputStream *ost)
684 const InputStream *ist = ost->sync_ist;
685 OutputFile *of = &output_files[ost->file_index];
686 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
689 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
693 AVPacket new_pkt= *pkt;
694 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
695 &new_pkt.data, &new_pkt.size,
696 pkt->data, pkt->size,
697 pkt->flags & AV_PKT_FLAG_KEY);
700 new_pkt.destruct= av_destruct_packet;
702 fprintf(stderr, "%s failed for stream %d, codec %s",
703 bsfc->filter->name, pkt->stream_index,
704 avctx->codec ? avctx->codec->name : "copy");
714 ret= av_interleaved_write_frame(s, pkt);
716 print_error("av_interleaved_write_frame()", ret);
721 static void do_audio_out(AVFormatContext *s,
724 unsigned char *buf, int size)
727 int64_t audio_out_size, audio_buf_size;
728 int64_t allocated_for_size= size;
730 int size_out, frame_bytes, ret, resample_changed;
731 AVCodecContext *enc= ost->st->codec;
732 AVCodecContext *dec= ist->st->codec;
733 int osize = av_get_bytes_per_sample(enc->sample_fmt);
734 int isize = av_get_bytes_per_sample(dec->sample_fmt);
735 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
738 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
739 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
740 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
741 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
742 audio_buf_size*= osize*enc->channels;
744 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
745 if(coded_bps > 8*osize)
746 audio_out_size= audio_out_size * coded_bps / (8*osize);
747 audio_out_size += FF_MIN_BUFFER_SIZE;
749 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
750 fprintf(stderr, "Buffer sizes too large\n");
754 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
755 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
756 if (!audio_buf || !audio_out){
757 fprintf(stderr, "Out of memory in do_audio_out\n");
761 if (enc->channels != dec->channels)
762 ost->audio_resample = 1;
764 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
765 ost->resample_channels != dec->channels ||
766 ost->resample_sample_rate != dec->sample_rate;
768 if ((ost->audio_resample && !ost->resample) || resample_changed) {
769 if (resample_changed) {
770 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",
771 ist->file_index, ist->st->index,
772 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
773 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
774 ost->resample_sample_fmt = dec->sample_fmt;
775 ost->resample_channels = dec->channels;
776 ost->resample_sample_rate = dec->sample_rate;
778 audio_resample_close(ost->resample);
780 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
781 if (audio_sync_method <= 1 &&
782 ost->resample_sample_fmt == enc->sample_fmt &&
783 ost->resample_channels == enc->channels &&
784 ost->resample_sample_rate == enc->sample_rate) {
785 ost->resample = NULL;
786 ost->audio_resample = 0;
788 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
789 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
790 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
791 enc->sample_rate, dec->sample_rate,
792 enc->sample_fmt, dec->sample_fmt,
794 if (!ost->resample) {
795 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
796 dec->channels, dec->sample_rate,
797 enc->channels, enc->sample_rate);
803 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
804 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
805 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
806 if (ost->reformat_ctx)
807 av_audio_convert_free(ost->reformat_ctx);
808 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
809 dec->sample_fmt, 1, NULL, 0);
810 if (!ost->reformat_ctx) {
811 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
812 av_get_sample_fmt_name(dec->sample_fmt),
813 av_get_sample_fmt_name(enc->sample_fmt));
816 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
819 if(audio_sync_method){
820 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
821 - av_fifo_size(ost->fifo)/(enc->channels * 2);
822 double idelta= delta*dec->sample_rate / enc->sample_rate;
823 int byte_delta= ((int)idelta)*2*dec->channels;
825 //FIXME resample delay
826 if(fabs(delta) > 50){
827 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
829 byte_delta= FFMAX(byte_delta, -size);
833 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
838 static uint8_t *input_tmp= NULL;
839 input_tmp= av_realloc(input_tmp, byte_delta + size);
841 if(byte_delta > allocated_for_size - size){
842 allocated_for_size= byte_delta + (int64_t)size;
847 memset(input_tmp, 0, byte_delta);
848 memcpy(input_tmp + byte_delta, buf, size);
852 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
854 }else if(audio_sync_method>1){
855 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
856 av_assert0(ost->audio_resample);
858 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
859 // 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));
860 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
864 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
865 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
867 if (ost->audio_resample) {
869 size_out = audio_resample(ost->resample,
870 (short *)buftmp, (short *)buf,
871 size / (dec->channels * isize));
872 size_out = size_out * enc->channels * osize;
878 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
879 const void *ibuf[6]= {buftmp};
880 void *obuf[6]= {audio_buf};
881 int istride[6]= {isize};
882 int ostride[6]= {osize};
883 int len= size_out/istride[0];
884 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
885 printf("av_audio_convert() failed\n");
891 size_out = len*osize;
894 /* now encode as many frames as possible */
895 if (enc->frame_size > 1) {
896 /* output resampled raw samples */
897 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
898 fprintf(stderr, "av_fifo_realloc2() failed\n");
901 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
903 frame_bytes = enc->frame_size * osize * enc->channels;
905 while (av_fifo_size(ost->fifo) >= frame_bytes) {
907 av_init_packet(&pkt);
909 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
911 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
913 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
916 fprintf(stderr, "Audio encoding failed\n");
920 pkt.stream_index= ost->index;
923 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
924 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
925 pkt.flags |= AV_PKT_FLAG_KEY;
926 write_frame(s, &pkt, enc, ost->bitstream_filters);
928 ost->sync_opts += enc->frame_size;
932 av_init_packet(&pkt);
934 ost->sync_opts += size_out / (osize * enc->channels);
936 /* output a pcm frame */
937 /* determine the size of the coded buffer */
940 size_out = size_out*coded_bps/8;
942 if(size_out > audio_out_size){
943 fprintf(stderr, "Internal error, buffer size too small\n");
947 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
948 ret = avcodec_encode_audio(enc, audio_out, size_out,
951 fprintf(stderr, "Audio encoding failed\n");
955 pkt.stream_index= ost->index;
958 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
959 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
960 pkt.flags |= AV_PKT_FLAG_KEY;
961 write_frame(s, &pkt, enc, ost->bitstream_filters);
965 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
969 AVPicture picture_tmp;
972 dec = ist->st->codec;
974 /* deinterlace : must be done before any resize */
975 if (do_deinterlace) {
978 /* create temporary picture */
979 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
980 buf = av_malloc(size);
984 picture2 = &picture_tmp;
985 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
987 if(avpicture_deinterlace(picture2, picture,
988 dec->pix_fmt, dec->width, dec->height) < 0) {
989 /* if error, do not deinterlace */
990 fprintf(stderr, "Deinterlacing failed\n");
999 if (picture != picture2)
1000 *picture = *picture2;
1004 static void do_subtitle_out(AVFormatContext *s,
1010 static uint8_t *subtitle_out = NULL;
1011 int subtitle_out_max_size = 1024 * 1024;
1012 int subtitle_out_size, nb, i;
1013 AVCodecContext *enc;
1016 if (pts == AV_NOPTS_VALUE) {
1017 fprintf(stderr, "Subtitle packets must have a pts\n");
1023 enc = ost->st->codec;
1025 if (!subtitle_out) {
1026 subtitle_out = av_malloc(subtitle_out_max_size);
1029 /* Note: DVB subtitle need one packet to draw them and one other
1030 packet to clear them */
1031 /* XXX: signal it in the codec context ? */
1032 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1037 for(i = 0; i < nb; i++) {
1038 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1039 // start_display_time is required to be 0
1040 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1041 sub->end_display_time -= sub->start_display_time;
1042 sub->start_display_time = 0;
1043 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1044 subtitle_out_max_size, sub);
1045 if (subtitle_out_size < 0) {
1046 fprintf(stderr, "Subtitle encoding failed\n");
1050 av_init_packet(&pkt);
1051 pkt.stream_index = ost->index;
1052 pkt.data = subtitle_out;
1053 pkt.size = subtitle_out_size;
1054 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1055 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1056 /* XXX: the pts correction is handled here. Maybe handling
1057 it in the codec would be better */
1059 pkt.pts += 90 * sub->start_display_time;
1061 pkt.pts += 90 * sub->end_display_time;
1063 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1067 static int bit_buffer_size= 1024*256;
1068 static uint8_t *bit_buffer= NULL;
1070 static void do_video_resample(OutputStream *ost,
1072 AVFrame *in_picture,
1073 AVFrame **out_picture)
1075 int resample_changed = 0;
1076 AVCodecContext *dec = ist->st->codec;
1077 *out_picture = in_picture;
1079 resample_changed = ost->resample_width != dec->width ||
1080 ost->resample_height != dec->height ||
1081 ost->resample_pix_fmt != dec->pix_fmt;
1083 #if !CONFIG_AVFILTER
1084 if (resample_changed) {
1085 av_log(NULL, AV_LOG_INFO,
1086 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1087 ist->file_index, ist->st->index,
1088 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1089 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1090 ost->resample_width = dec->width;
1091 ost->resample_height = dec->height;
1092 ost->resample_pix_fmt = dec->pix_fmt;
1095 ost->video_resample = dec->width != enc->width ||
1096 dec->height != enc->height ||
1097 dec->pix_fmt != enc->pix_fmt;
1099 if (ost->video_resample) {
1100 *out_picture = &ost->resample_frame;
1101 if (!ost->img_resample_ctx || resample_changed) {
1102 /* initialize the destination picture */
1103 if (!ost->resample_frame.data[0]) {
1104 avcodec_get_frame_defaults(&ost->resample_frame);
1105 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1106 enc->width, enc->height)) {
1107 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1111 /* initialize a new scaler context */
1112 sws_freeContext(ost->img_resample_ctx);
1113 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1114 enc->width, enc->height, enc->pix_fmt,
1115 ost->sws_flags, NULL, NULL, NULL);
1116 if (ost->img_resample_ctx == NULL) {
1117 fprintf(stderr, "Cannot get resampling context\n");
1121 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1122 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1125 if (resample_changed) {
1126 avfilter_graph_free(&ost->graph);
1127 if (configure_video_filters(ist, ost)) {
1128 fprintf(stderr, "Error reinitializing filters!\n");
1133 if (resample_changed) {
1134 ost->resample_width = dec->width;
1135 ost->resample_height = dec->height;
1136 ost->resample_pix_fmt = dec->pix_fmt;
1141 static void do_video_out(AVFormatContext *s,
1144 AVFrame *in_picture,
1145 int *frame_size, float quality)
1147 int nb_frames, i, ret, format_video_sync;
1148 AVFrame *final_picture;
1149 AVCodecContext *enc, *dec;
1152 enc = ost->st->codec;
1153 dec = ist->st->codec;
1155 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1157 /* by default, we output a single frame */
1162 format_video_sync = video_sync_method;
1163 if (format_video_sync < 0)
1164 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1166 if (format_video_sync) {
1167 double vdelta = sync_ipts - ost->sync_opts;
1168 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1171 else if (format_video_sync == 2) {
1174 }else if(vdelta>0.6)
1175 ost->sync_opts= lrintf(sync_ipts);
1176 }else if (vdelta > 1.1)
1177 nb_frames = lrintf(vdelta);
1178 //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);
1179 if (nb_frames == 0){
1182 fprintf(stderr, "*** drop!\n");
1183 }else if (nb_frames > 1) {
1184 nb_frames_dup += nb_frames - 1;
1186 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1189 ost->sync_opts= lrintf(sync_ipts);
1191 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1195 do_video_resample(ost, ist, in_picture, &final_picture);
1197 /* duplicates frame if needed */
1198 for(i=0;i<nb_frames;i++) {
1200 av_init_packet(&pkt);
1201 pkt.stream_index= ost->index;
1203 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1204 /* raw pictures are written as AVPicture structure to
1205 avoid any copies. We support temporarily the older
1207 AVFrame* old_frame = enc->coded_frame;
1208 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1209 pkt.data= (uint8_t *)final_picture;
1210 pkt.size= sizeof(AVPicture);
1211 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1212 pkt.flags |= AV_PKT_FLAG_KEY;
1214 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1215 enc->coded_frame = old_frame;
1217 AVFrame big_picture;
1219 big_picture= *final_picture;
1220 /* better than nothing: use input picture interlaced
1222 big_picture.interlaced_frame = in_picture->interlaced_frame;
1223 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1224 if(top_field_first == -1)
1225 big_picture.top_field_first = in_picture->top_field_first;
1227 big_picture.top_field_first = top_field_first;
1230 /* handles same_quant here. This is not correct because it may
1231 not be a global option */
1232 big_picture.quality = quality;
1234 big_picture.pict_type = 0;
1235 // big_picture.pts = AV_NOPTS_VALUE;
1236 big_picture.pts= ost->sync_opts;
1237 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1238 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1239 if (ost->forced_kf_index < ost->forced_kf_count &&
1240 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1241 big_picture.pict_type = AV_PICTURE_TYPE_I;
1242 ost->forced_kf_index++;
1244 ret = avcodec_encode_video(enc,
1245 bit_buffer, bit_buffer_size,
1248 fprintf(stderr, "Video encoding failed\n");
1253 pkt.data= bit_buffer;
1255 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1256 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1257 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1258 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1259 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1261 if(enc->coded_frame->key_frame)
1262 pkt.flags |= AV_PKT_FLAG_KEY;
1263 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1266 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1267 // enc->frame_number-1, ret, enc->pict_type);
1268 /* if two pass, output log */
1269 if (ost->logfile && enc->stats_out) {
1270 fprintf(ost->logfile, "%s", enc->stats_out);
1275 ost->frame_number++;
1279 static double psnr(double d){
1280 return -10.0*log(d)/log(10.0);
1283 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1286 AVCodecContext *enc;
1288 double ti1, bitrate, avg_bitrate;
1290 /* this is executed just the first time do_video_stats is called */
1292 vstats_file = fopen(vstats_filename, "w");
1299 enc = ost->st->codec;
1300 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1301 frame_number = ost->frame_number;
1302 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1303 if (enc->flags&CODEC_FLAG_PSNR)
1304 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1306 fprintf(vstats_file,"f_size= %6d ", frame_size);
1307 /* compute pts value */
1308 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1312 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1313 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1314 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1315 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1316 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1320 static void print_report(OutputFile *output_files,
1321 OutputStream *ost_table, int nb_ostreams,
1322 int is_last_report, int64_t timer_start)
1326 AVFormatContext *oc;
1328 AVCodecContext *enc;
1329 int frame_number, vid, i;
1331 int64_t pts = INT64_MAX;
1332 static int64_t last_time = -1;
1333 static int qp_histogram[52];
1335 if (!is_last_report) {
1337 /* display the report every 0.5 seconds */
1338 cur_time = av_gettime();
1339 if (last_time == -1) {
1340 last_time = cur_time;
1343 if ((cur_time - last_time) < 500000)
1345 last_time = cur_time;
1349 oc = output_files[0].ctx;
1351 total_size = avio_size(oc->pb);
1352 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1353 total_size= avio_tell(oc->pb);
1357 for(i=0;i<nb_ostreams;i++) {
1359 ost = &ost_table[i];
1360 enc = ost->st->codec;
1361 if (!ost->st->stream_copy && enc->coded_frame)
1362 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1363 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1366 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1367 float t = (av_gettime()-timer_start) / 1000000.0;
1369 frame_number = ost->frame_number;
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1371 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1373 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1377 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1382 if (enc->flags&CODEC_FLAG_PSNR){
1384 double error, error_sum=0;
1385 double scale, scale_sum=0;
1386 char type[3]= {'Y','U','V'};
1387 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1390 error= enc->error[j];
1391 scale= enc->width*enc->height*255.0*255.0*frame_number;
1393 error= enc->coded_frame->error[j];
1394 scale= enc->width*enc->height*255.0*255.0;
1399 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1405 /* compute min output value */
1406 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1407 ost->st->time_base, AV_TIME_BASE_Q));
1410 if (verbose > 0 || is_last_report) {
1411 int hours, mins, secs, us;
1412 secs = pts / AV_TIME_BASE;
1413 us = pts % AV_TIME_BASE;
1419 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1422 "size=%8.0fkB time=", total_size / 1024.0);
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1424 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1425 (100 * us) / AV_TIME_BASE);
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1427 "bitrate=%6.1fkbits/s", bitrate);
1429 if (nb_frames_dup || nb_frames_drop)
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1431 nb_frames_dup, nb_frames_drop);
1434 fprintf(stderr, "%s \r", buf);
1439 if (is_last_report && verbose >= 0){
1440 int64_t raw= audio_size + video_size + extra_size;
1441 fprintf(stderr, "\n");
1442 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1446 100.0*(total_size - raw)/raw
1451 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1453 int fill_char = 0x00;
1454 if (sample_fmt == AV_SAMPLE_FMT_U8)
1456 memset(buf, fill_char, size);
1459 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1463 for (i = 0; i < nb_ostreams; i++) {
1464 OutputStream *ost = &ost_table[i];
1465 AVCodecContext *enc = ost->st->codec;
1466 AVFormatContext *os = output_files[ost->file_index].ctx;
1468 if (!ost->encoding_needed)
1471 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1473 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1479 av_init_packet(&pkt);
1480 pkt.stream_index= ost->index;
1482 switch (ost->st->codec->codec_type) {
1483 case AVMEDIA_TYPE_AUDIO:
1484 fifo_bytes = av_fifo_size(ost->fifo);
1486 /* encode any samples remaining in fifo */
1487 if (fifo_bytes > 0) {
1488 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1489 int fs_tmp = enc->frame_size;
1491 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1492 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1493 enc->frame_size = fifo_bytes / (osize * enc->channels);
1495 int frame_bytes = enc->frame_size*osize*enc->channels;
1496 if (allocated_audio_buf_size < frame_bytes)
1498 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1501 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1502 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1503 ost->st->time_base.num, enc->sample_rate);
1504 enc->frame_size = fs_tmp;
1507 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1510 fprintf(stderr, "Audio encoding failed\n");
1514 pkt.flags |= AV_PKT_FLAG_KEY;
1516 case AVMEDIA_TYPE_VIDEO:
1517 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1519 fprintf(stderr, "Video encoding failed\n");
1523 if(enc->coded_frame && enc->coded_frame->key_frame)
1524 pkt.flags |= AV_PKT_FLAG_KEY;
1525 if (ost->logfile && enc->stats_out) {
1526 fprintf(ost->logfile, "%s", enc->stats_out);
1535 pkt.data = bit_buffer;
1537 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1538 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1539 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1544 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1545 static int output_packet(InputStream *ist, int ist_index,
1546 OutputStream *ost_table, int nb_ostreams,
1547 const AVPacket *pkt)
1549 AVFormatContext *os;
1554 void *buffer_to_free = NULL;
1555 static unsigned int samples_size= 0;
1556 AVSubtitle subtitle, *subtitle_to_free;
1557 int64_t pkt_pts = AV_NOPTS_VALUE;
1559 int frame_available;
1564 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1566 if(ist->next_pts == AV_NOPTS_VALUE)
1567 ist->next_pts= ist->pts;
1571 av_init_packet(&avpkt);
1579 if(pkt->dts != AV_NOPTS_VALUE)
1580 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1581 if(pkt->pts != AV_NOPTS_VALUE)
1582 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1584 //while we have more to decode or while the decoder did output something on EOF
1585 while (avpkt.size > 0 || (!pkt && got_output)) {
1586 uint8_t *data_buf, *decoded_data_buf;
1587 int data_size, decoded_data_size;
1589 ist->pts= ist->next_pts;
1591 if(avpkt.size && avpkt.size != pkt->size &&
1592 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1593 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1594 ist->showed_multi_packet_warning=1;
1597 /* decode the packet if needed */
1598 decoded_data_buf = NULL; /* fail safe */
1599 decoded_data_size= 0;
1600 data_buf = avpkt.data;
1601 data_size = avpkt.size;
1602 subtitle_to_free = NULL;
1603 if (ist->decoding_needed) {
1604 switch(ist->st->codec->codec_type) {
1605 case AVMEDIA_TYPE_AUDIO:{
1606 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1607 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1609 samples= av_malloc(samples_size);
1611 decoded_data_size= samples_size;
1612 /* XXX: could avoid copy if PCM 16 bits with same
1613 endianness as CPU */
1614 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1621 got_output = decoded_data_size > 0;
1622 /* Some bug in mpeg audio decoder gives */
1623 /* decoded_data_size < 0, it seems they are overflows */
1625 /* no audio frame */
1628 decoded_data_buf = (uint8_t *)samples;
1629 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1630 (ist->st->codec->sample_rate * ist->st->codec->channels);
1632 case AVMEDIA_TYPE_VIDEO:
1633 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1634 /* XXX: allocate picture correctly */
1635 avcodec_get_frame_defaults(&picture);
1636 avpkt.pts = pkt_pts;
1637 avpkt.dts = ist->pts;
1638 pkt_pts = AV_NOPTS_VALUE;
1640 ret = avcodec_decode_video2(ist->st->codec,
1641 &picture, &got_output, &avpkt);
1642 quality = same_quant ? picture.quality : 0;
1646 /* no picture yet */
1647 goto discard_packet;
1649 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1650 if (ist->st->codec->time_base.num != 0) {
1651 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1652 ist->next_pts += ((int64_t)AV_TIME_BASE *
1653 ist->st->codec->time_base.num * ticks) /
1654 ist->st->codec->time_base.den;
1657 buffer_to_free = NULL;
1658 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1660 case AVMEDIA_TYPE_SUBTITLE:
1661 ret = avcodec_decode_subtitle2(ist->st->codec,
1662 &subtitle, &got_output, &avpkt);
1666 goto discard_packet;
1668 subtitle_to_free = &subtitle;
1675 switch(ist->st->codec->codec_type) {
1676 case AVMEDIA_TYPE_AUDIO:
1677 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1678 ist->st->codec->sample_rate;
1680 case AVMEDIA_TYPE_VIDEO:
1681 if (ist->st->codec->time_base.num != 0) {
1682 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1683 ist->next_pts += ((int64_t)AV_TIME_BASE *
1684 ist->st->codec->time_base.num * ticks) /
1685 ist->st->codec->time_base.den;
1693 // preprocess audio (volume)
1694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1695 if (audio_volume != 256) {
1698 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1699 int v = ((*volp) * audio_volume + 128) >> 8;
1700 if (v < -32768) v = -32768;
1701 if (v > 32767) v = 32767;
1707 /* frame rate emulation */
1709 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1710 int64_t now = av_gettime() - ist->start;
1714 /* if output time reached then transcode raw format,
1715 encode packets and output them */
1716 for (i = 0; i < nb_ostreams; i++) {
1717 OutputFile *of = &output_files[ost_table[i].file_index];
1720 ost = &ost_table[i];
1721 if (ost->source_index != ist_index)
1724 if (of->start_time && ist->pts < of->start_time)
1727 if (of->recording_time != INT64_MAX &&
1728 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1729 (AVRational){1, 1000000}) >= 0) {
1730 ost->is_past_recording_time = 1;
1735 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1736 ost->input_video_filter) {
1737 if (!picture.sample_aspect_ratio.num)
1738 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1739 picture.pts = ist->pts;
1741 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1743 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1744 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1745 while (frame_available) {
1746 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1747 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1748 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1751 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1752 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1756 os = output_files[ost->file_index].ctx;
1758 /* set the input output pts pairs */
1759 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1761 if (ost->encoding_needed) {
1762 av_assert0(ist->decoding_needed);
1763 switch(ost->st->codec->codec_type) {
1764 case AVMEDIA_TYPE_AUDIO:
1765 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1767 case AVMEDIA_TYPE_VIDEO:
1769 if (ost->picref->video && !ost->frame_aspect_ratio)
1770 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1772 do_video_out(os, ost, ist, &picture, &frame_size,
1773 same_quant ? quality : ost->st->codec->global_quality);
1774 if (vstats_filename && frame_size)
1775 do_video_stats(os, ost, frame_size);
1777 case AVMEDIA_TYPE_SUBTITLE:
1778 do_subtitle_out(os, ost, ist, &subtitle,
1785 AVFrame avframe; //FIXME/XXX remove this
1788 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1789 av_init_packet(&opkt);
1791 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1792 #if !CONFIG_AVFILTER
1798 /* no reencoding needed : output the packet directly */
1799 /* force the input stream PTS */
1801 avcodec_get_frame_defaults(&avframe);
1802 ost->st->codec->coded_frame= &avframe;
1803 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1805 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1806 audio_size += data_size;
1807 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1808 video_size += data_size;
1812 opkt.stream_index= ost->index;
1813 if(pkt->pts != AV_NOPTS_VALUE)
1814 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1816 opkt.pts= AV_NOPTS_VALUE;
1818 if (pkt->dts == AV_NOPTS_VALUE)
1819 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1821 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1822 opkt.dts -= ost_tb_start_time;
1824 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1825 opkt.flags= pkt->flags;
1827 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1828 if( ost->st->codec->codec_id != CODEC_ID_H264
1829 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1830 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1832 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1833 opkt.destruct= av_destruct_packet;
1835 opkt.data = data_buf;
1836 opkt.size = data_size;
1839 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1840 /* store AVPicture in AVPacket, as expected by the output format */
1841 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1842 opkt.data = (uint8_t *)&pict;
1843 opkt.size = sizeof(AVPicture);
1844 opkt.flags |= AV_PKT_FLAG_KEY;
1846 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1847 ost->st->codec->frame_number++;
1848 ost->frame_number++;
1849 av_free_packet(&opkt);
1853 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1854 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1856 avfilter_unref_buffer(ost->picref);
1861 av_free(buffer_to_free);
1862 /* XXX: allocate the subtitles in the codec ? */
1863 if (subtitle_to_free) {
1864 avsubtitle_free(subtitle_to_free);
1865 subtitle_to_free = NULL;
1873 static void print_sdp(OutputFile *output_files, int n)
1877 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1881 for (i = 0; i < n; i++)
1882 avc[i] = output_files[i].ctx;
1884 av_sdp_create(avc, n, sdp, sizeof(sdp));
1885 printf("SDP:\n%s\n", sdp);
1890 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1891 char *error, int error_len)
1894 InputStream *ist = &input_streams[ist_index];
1895 if (ist->decoding_needed) {
1896 AVCodec *codec = ist->dec;
1898 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1900 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1901 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1902 return AVERROR(EINVAL);
1905 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1906 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1907 ist->file_index, ist->st->index);
1908 return AVERROR(EINVAL);
1910 assert_codec_experimental(ist->st->codec, 0);
1911 assert_avoptions(ist->opts);
1914 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1915 ist->next_pts = AV_NOPTS_VALUE;
1921 static int transcode_init(OutputFile *output_files,
1922 int nb_output_files,
1923 InputFile *input_files,
1927 AVFormatContext *os;
1928 AVCodecContext *codec, *icodec;
1935 for (i = 0; i < nb_input_streams; i++)
1936 input_streams[i].start = av_gettime();
1938 /* output stream init */
1939 for(i=0;i<nb_output_files;i++) {
1940 os = output_files[i].ctx;
1941 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1942 av_dump_format(os, i, os->filename, 1);
1943 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1944 return AVERROR(EINVAL);
1948 /* for each output stream, we compute the right encoding parameters */
1949 for (i = 0; i < nb_output_streams; i++) {
1950 ost = &output_streams[i];
1951 os = output_files[ost->file_index].ctx;
1952 ist = &input_streams[ost->source_index];
1954 codec = ost->st->codec;
1955 icodec = ist->st->codec;
1957 ost->st->disposition = ist->st->disposition;
1958 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1959 codec->chroma_sample_location = icodec->chroma_sample_location;
1961 if (ost->st->stream_copy) {
1962 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1964 if (extra_size > INT_MAX) {
1965 return AVERROR(EINVAL);
1968 /* if stream_copy is selected, no need to decode or encode */
1969 codec->codec_id = icodec->codec_id;
1970 codec->codec_type = icodec->codec_type;
1972 if(!codec->codec_tag){
1973 if( !os->oformat->codec_tag
1974 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1975 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1976 codec->codec_tag = icodec->codec_tag;
1979 codec->bit_rate = icodec->bit_rate;
1980 codec->rc_max_rate = icodec->rc_max_rate;
1981 codec->rc_buffer_size = icodec->rc_buffer_size;
1982 codec->extradata= av_mallocz(extra_size);
1983 if (!codec->extradata) {
1984 return AVERROR(ENOMEM);
1986 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1987 codec->extradata_size= icodec->extradata_size;
1989 codec->time_base = ist->st->time_base;
1990 if(!strcmp(os->oformat->name, "avi")) {
1991 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1992 codec->time_base = icodec->time_base;
1993 codec->time_base.num *= icodec->ticks_per_frame;
1994 codec->time_base.den *= 2;
1996 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1997 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){
1998 codec->time_base = icodec->time_base;
1999 codec->time_base.num *= icodec->ticks_per_frame;
2002 av_reduce(&codec->time_base.num, &codec->time_base.den,
2003 codec->time_base.num, codec->time_base.den, INT_MAX);
2005 switch(codec->codec_type) {
2006 case AVMEDIA_TYPE_AUDIO:
2007 if(audio_volume != 256) {
2008 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2011 codec->channel_layout = icodec->channel_layout;
2012 codec->sample_rate = icodec->sample_rate;
2013 codec->channels = icodec->channels;
2014 codec->frame_size = icodec->frame_size;
2015 codec->audio_service_type = icodec->audio_service_type;
2016 codec->block_align= icodec->block_align;
2017 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2018 codec->block_align= 0;
2019 if(codec->codec_id == CODEC_ID_AC3)
2020 codec->block_align= 0;
2022 case AVMEDIA_TYPE_VIDEO:
2023 codec->pix_fmt = icodec->pix_fmt;
2024 codec->width = icodec->width;
2025 codec->height = icodec->height;
2026 codec->has_b_frames = icodec->has_b_frames;
2027 if (!codec->sample_aspect_ratio.num) {
2028 codec->sample_aspect_ratio =
2029 ost->st->sample_aspect_ratio =
2030 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2031 ist->st->codec->sample_aspect_ratio.num ?
2032 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2035 case AVMEDIA_TYPE_SUBTITLE:
2036 codec->width = icodec->width;
2037 codec->height = icodec->height;
2039 case AVMEDIA_TYPE_DATA:
2046 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2047 switch(codec->codec_type) {
2048 case AVMEDIA_TYPE_AUDIO:
2049 ost->fifo= av_fifo_alloc(1024);
2051 return AVERROR(ENOMEM);
2053 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2054 if (!codec->sample_rate) {
2055 codec->sample_rate = icodec->sample_rate;
2057 choose_sample_rate(ost->st, ost->enc);
2058 codec->time_base = (AVRational){1, codec->sample_rate};
2059 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2060 codec->sample_fmt = icodec->sample_fmt;
2061 choose_sample_fmt(ost->st, ost->enc);
2062 if (!codec->channels) {
2063 codec->channels = icodec->channels;
2064 codec->channel_layout = icodec->channel_layout;
2066 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2067 codec->channel_layout = 0;
2068 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2069 icodec->request_channels = codec->channels;
2070 ist->decoding_needed = 1;
2071 ost->encoding_needed = 1;
2072 ost->resample_sample_fmt = icodec->sample_fmt;
2073 ost->resample_sample_rate = icodec->sample_rate;
2074 ost->resample_channels = icodec->channels;
2076 case AVMEDIA_TYPE_VIDEO:
2077 if (codec->pix_fmt == PIX_FMT_NONE)
2078 codec->pix_fmt = icodec->pix_fmt;
2079 choose_pixel_fmt(ost->st, ost->enc);
2081 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2082 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2086 if (!codec->width || !codec->height) {
2087 codec->width = icodec->width;
2088 codec->height = icodec->height;
2091 ost->video_resample = codec->width != icodec->width ||
2092 codec->height != icodec->height ||
2093 codec->pix_fmt != icodec->pix_fmt;
2094 if (ost->video_resample) {
2095 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2098 ost->resample_height = icodec->height;
2099 ost->resample_width = icodec->width;
2100 ost->resample_pix_fmt= icodec->pix_fmt;
2101 ost->encoding_needed = 1;
2102 ist->decoding_needed = 1;
2104 if (!ost->frame_rate.num)
2105 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2106 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2107 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2108 ost->frame_rate = ost->enc->supported_framerates[idx];
2110 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2111 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2112 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2113 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2114 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2118 if (configure_video_filters(ist, ost)) {
2119 fprintf(stderr, "Error opening filters!\n");
2124 case AVMEDIA_TYPE_SUBTITLE:
2125 ost->encoding_needed = 1;
2126 ist->decoding_needed = 1;
2133 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2134 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2135 char logfilename[1024];
2138 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2139 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2141 if (codec->flags & CODEC_FLAG_PASS1) {
2142 f = fopen(logfilename, "wb");
2144 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2150 size_t logbuffer_size;
2151 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2152 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2155 codec->stats_in = logbuffer;
2159 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2160 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2161 int size= codec->width * codec->height;
2162 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2167 bit_buffer = av_malloc(bit_buffer_size);
2169 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2171 return AVERROR(ENOMEM);
2174 /* open each encoder */
2175 for (i = 0; i < nb_output_streams; i++) {
2176 ost = &output_streams[i];
2177 if (ost->encoding_needed) {
2178 AVCodec *codec = ost->enc;
2179 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2181 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2182 ost->st->codec->codec_id, ost->file_index, ost->index);
2183 ret = AVERROR(EINVAL);
2186 if (dec->subtitle_header) {
2187 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2188 if (!ost->st->codec->subtitle_header) {
2189 ret = AVERROR(ENOMEM);
2192 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2193 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2195 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2196 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2197 ost->file_index, ost->index);
2198 ret = AVERROR(EINVAL);
2201 assert_codec_experimental(ost->st->codec, 1);
2202 assert_avoptions(ost->opts);
2203 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2204 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2205 "It takes bits/s as argument, not kbits/s\n");
2206 extra_size += ost->st->codec->extradata_size;
2210 /* init input streams */
2211 for (i = 0; i < nb_input_streams; i++)
2212 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2215 /* open files and write file headers */
2216 for (i = 0; i < nb_output_files; i++) {
2217 os = output_files[i].ctx;
2218 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2219 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2220 ret = AVERROR(EINVAL);
2223 // assert_avoptions(output_files[i].opts);
2224 if (strcmp(os->oformat->name, "rtp")) {
2230 /* dump the file output parameters - cannot be done before in case
2232 for(i=0;i<nb_output_files;i++) {
2233 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2236 /* dump the stream mapping */
2238 fprintf(stderr, "Stream mapping:\n");
2239 for (i = 0; i < nb_output_streams;i ++) {
2240 ost = &output_streams[i];
2241 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2242 input_streams[ost->source_index].file_index,
2243 input_streams[ost->source_index].st->index,
2246 if (ost->sync_ist != &input_streams[ost->source_index])
2247 fprintf(stderr, " [sync #%d.%d]",
2248 ost->sync_ist->file_index,
2249 ost->sync_ist->st->index);
2250 if (ost->st->stream_copy)
2251 fprintf(stderr, " (copy)");
2252 fprintf(stderr, "\n");
2257 fprintf(stderr, "%s\n", error);
2262 print_sdp(output_files, nb_output_files);
2269 * The following code is the main loop of the file converter
2271 static int transcode(OutputFile *output_files,
2272 int nb_output_files,
2273 InputFile *input_files,
2277 AVFormatContext *is, *os;
2281 int no_packet_count=0;
2282 int64_t timer_start;
2285 if (!(no_packet = av_mallocz(nb_input_files)))
2288 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2294 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2295 avio_set_interrupt_cb(decode_interrupt_cb);
2299 timer_start = av_gettime();
2301 for(; received_sigterm == 0;) {
2302 int file_index, ist_index;
2308 ipts_min = INT64_MAX;
2310 /* if 'q' pressed, exits */
2314 /* read_key() returns 0 on EOF */
2318 if (key == '+') verbose++;
2319 if (key == '-') verbose--;
2320 if (key == 's') qp_hist ^= 1;
2323 do_hex_dump = do_pkt_dump = 0;
2324 } else if(do_pkt_dump){
2328 av_log_set_level(AV_LOG_DEBUG);
2330 if (key == 'd' || key == 'D'){
2333 debug = input_streams[0].st->codec->debug<<1;
2334 if(!debug) debug = 1;
2335 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2338 scanf("%d", &debug);
2339 for(i=0;i<nb_input_streams;i++) {
2340 input_streams[i].st->codec->debug = debug;
2342 for(i=0;i<nb_output_streams;i++) {
2343 ost = &output_streams[i];
2344 ost->st->codec->debug = debug;
2346 if(debug) av_log_set_level(AV_LOG_DEBUG);
2347 fprintf(stderr,"debug=%d\n", debug);
2350 fprintf(stderr, "key function\n"
2351 "? show this help\n"
2352 "+ increase verbosity\n"
2353 "- decrease verbosity\n"
2354 "D cycle through available debug modes\n"
2355 "h dump packets/hex press to cycle through the 3 states\n"
2357 "s Show QP histogram\n"
2362 /* select the stream that we must read now by looking at the
2363 smallest output pts */
2365 for (i = 0; i < nb_output_streams; i++) {
2369 ost = &output_streams[i];
2370 of = &output_files[ost->file_index];
2371 os = output_files[ost->file_index].ctx;
2372 ist = &input_streams[ost->source_index];
2373 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2374 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2376 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2378 if (!input_files[ist->file_index].eof_reached){
2379 if(ipts < ipts_min) {
2381 if(input_sync ) file_index = ist->file_index;
2383 if(opts < opts_min) {
2385 if(!input_sync) file_index = ist->file_index;
2388 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2393 /* if none, if is finished */
2394 if (file_index < 0) {
2395 if(no_packet_count){
2397 memset(no_packet, 0, nb_input_files);
2404 /* read a frame from it and output it in the fifo */
2405 is = input_files[file_index].ctx;
2406 ret= av_read_frame(is, &pkt);
2407 if(ret == AVERROR(EAGAIN)){
2408 no_packet[file_index]=1;
2413 input_files[file_index].eof_reached = 1;
2421 memset(no_packet, 0, nb_input_files);
2424 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2425 is->streams[pkt.stream_index]);
2427 /* the following test is needed in case new streams appear
2428 dynamically in stream : we ignore them */
2429 if (pkt.stream_index >= input_files[file_index].nb_streams)
2430 goto discard_packet;
2431 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2432 ist = &input_streams[ist_index];
2434 goto discard_packet;
2436 if (pkt.dts != AV_NOPTS_VALUE)
2437 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2438 if (pkt.pts != AV_NOPTS_VALUE)
2439 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2441 if (ist->ts_scale) {
2442 if(pkt.pts != AV_NOPTS_VALUE)
2443 pkt.pts *= ist->ts_scale;
2444 if(pkt.dts != AV_NOPTS_VALUE)
2445 pkt.dts *= ist->ts_scale;
2448 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2449 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2450 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2451 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2452 int64_t delta= pkt_dts - ist->next_pts;
2453 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2454 input_files[ist->file_index].ts_offset -= delta;
2456 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2457 delta, input_files[ist->file_index].ts_offset);
2458 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2459 if(pkt.pts != AV_NOPTS_VALUE)
2460 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2464 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2465 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2468 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2469 ist->file_index, ist->st->index);
2472 av_free_packet(&pkt);
2477 av_free_packet(&pkt);
2479 /* dump report by using the output first video and audio streams */
2480 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2483 /* at the end of stream, we must flush the decoder buffers */
2484 for (i = 0; i < nb_input_streams; i++) {
2485 ist = &input_streams[i];
2486 if (ist->decoding_needed) {
2487 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2490 flush_encoders(output_streams, nb_output_streams);
2494 /* write the trailer if needed and close file */
2495 for(i=0;i<nb_output_files;i++) {
2496 os = output_files[i].ctx;
2497 av_write_trailer(os);
2500 /* dump report by using the first video and audio streams */
2501 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2503 /* close each encoder */
2504 for (i = 0; i < nb_output_streams; i++) {
2505 ost = &output_streams[i];
2506 if (ost->encoding_needed) {
2507 av_freep(&ost->st->codec->stats_in);
2508 avcodec_close(ost->st->codec);
2511 avfilter_graph_free(&ost->graph);
2515 /* close each decoder */
2516 for (i = 0; i < nb_input_streams; i++) {
2517 ist = &input_streams[i];
2518 if (ist->decoding_needed) {
2519 avcodec_close(ist->st->codec);
2527 av_freep(&bit_buffer);
2528 av_freep(&no_packet);
2530 if (output_streams) {
2531 for (i = 0; i < nb_output_streams; i++) {
2532 ost = &output_streams[i];
2534 if (ost->st->stream_copy)
2535 av_freep(&ost->st->codec->extradata);
2537 fclose(ost->logfile);
2538 ost->logfile = NULL;
2540 av_fifo_free(ost->fifo); /* works even if fifo is not
2541 initialized but set to zero */
2542 av_freep(&ost->st->codec->subtitle_header);
2543 av_free(ost->resample_frame.data[0]);
2544 av_free(ost->forced_kf_pts);
2545 if (ost->video_resample)
2546 sws_freeContext(ost->img_resample_ctx);
2548 audio_resample_close(ost->resample);
2549 if (ost->reformat_ctx)
2550 av_audio_convert_free(ost->reformat_ctx);
2551 av_dict_free(&ost->opts);
2558 static int opt_format(const char *opt, const char *arg)
2560 last_asked_format = arg;
2564 static int opt_video_rc_override_string(const char *opt, const char *arg)
2566 video_rc_override_string = arg;
2570 static int opt_me_threshold(const char *opt, const char *arg)
2572 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2576 static int opt_verbose(const char *opt, const char *arg)
2578 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2582 static int opt_frame_rate(const char *opt, const char *arg)
2584 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2585 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2591 static int opt_frame_crop(const char *opt, const char *arg)
2593 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2594 return AVERROR(EINVAL);
2597 static int opt_frame_size(const char *opt, const char *arg)
2599 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2600 fprintf(stderr, "Incorrect frame size\n");
2601 return AVERROR(EINVAL);
2606 static int opt_pad(const char *opt, const char *arg) {
2607 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2611 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2613 if (strcmp(arg, "list")) {
2614 frame_pix_fmt = av_get_pix_fmt(arg);
2615 if (frame_pix_fmt == PIX_FMT_NONE) {
2616 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2617 return AVERROR(EINVAL);
2620 opt_pix_fmts(NULL, NULL);
2626 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2633 p = strchr(arg, ':');
2635 x = strtol(arg, &end, 10);
2637 y = strtol(end+1, &end, 10);
2639 ar = (double)x / (double)y;
2641 ar = strtod(arg, NULL);
2644 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2645 return AVERROR(EINVAL);
2647 frame_aspect_ratio = ar;
2651 static int opt_metadata(const char *opt, const char *arg)
2653 char *mid= strchr(arg, '=');
2656 fprintf(stderr, "Missing =\n");
2661 av_dict_set(&metadata, arg, mid, 0);
2666 static int opt_qscale(const char *opt, const char *arg)
2668 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2669 if (video_qscale <= 0 || video_qscale > 255) {
2670 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2671 return AVERROR(EINVAL);
2676 static int opt_top_field_first(const char *opt, const char *arg)
2678 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2679 return opt_default(opt, arg);
2682 static int opt_thread_count(const char *opt, const char *arg)
2684 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2687 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2692 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2694 if (strcmp(arg, "list")) {
2695 audio_sample_fmt = av_get_sample_fmt(arg);
2696 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2697 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2698 return AVERROR(EINVAL);
2703 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2704 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2710 static int opt_audio_rate(const char *opt, const char *arg)
2712 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2716 static int opt_audio_channels(const char *opt, const char *arg)
2718 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2722 static int opt_codec(const char *opt, const char *arg)
2724 return av_dict_set(&codec_names, opt, arg, 0);
2727 static int opt_audio_codec(const char *opt, const char *arg)
2729 return opt_codec("codec:a", arg);
2732 static int opt_video_codec(const char *opt, const char *arg)
2734 return opt_codec("codec:v", arg);
2737 static int opt_subtitle_codec(const char *opt, const char *arg)
2739 return opt_codec("codec:s", arg);
2742 static int opt_data_codec(const char *opt, const char *arg)
2744 return opt_codec("codec:d", arg);
2747 static int opt_codec_tag(const char *opt, const char *arg)
2750 uint32_t *codec_tag;
2752 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2753 !strcmp(opt, "vtag") ? &video_codec_tag :
2754 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2758 *codec_tag = strtol(arg, &tail, 0);
2760 *codec_tag = AV_RL32(arg);
2765 static int opt_map(const char *opt, const char *arg)
2767 StreamMap *m = NULL;
2768 int i, negative = 0, file_idx;
2769 int sync_file_idx = -1, sync_stream_idx;
2777 map = av_strdup(arg);
2779 /* parse sync stream first, just pick first matching stream */
2780 if (sync = strchr(map, ',')) {
2782 sync_file_idx = strtol(sync + 1, &sync, 0);
2783 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2784 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2789 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2790 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2791 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2792 sync_stream_idx = i;
2795 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2796 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2797 "match any streams.\n", arg);
2803 file_idx = strtol(map, &p, 0);
2804 if (file_idx >= nb_input_files || file_idx < 0) {
2805 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2809 /* disable some already defined maps */
2810 for (i = 0; i < nb_stream_maps; i++) {
2811 m = &stream_maps[i];
2812 if (check_stream_specifier(input_files[m->file_index].ctx,
2813 input_files[m->file_index].ctx->streams[m->stream_index],
2814 *p == ':' ? p + 1 : p) > 0)
2818 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2819 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2820 *p == ':' ? p + 1 : p) <= 0)
2822 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2823 m = &stream_maps[nb_stream_maps - 1];
2825 m->file_index = file_idx;
2826 m->stream_index = i;
2828 if (sync_file_idx >= 0) {
2829 m->sync_file_index = sync_file_idx;
2830 m->sync_stream_index = sync_stream_idx;
2832 m->sync_file_index = file_idx;
2833 m->sync_stream_index = i;
2838 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2846 static void parse_meta_type(char *arg, char *type, int *index)
2856 if (*(++arg) == ':')
2857 *index = strtol(++arg, NULL, 0);
2860 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2867 static int opt_map_metadata(const char *opt, const char *arg)
2869 MetadataMap *m, *m1;
2872 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2873 &nb_meta_data_maps, nb_meta_data_maps + 1);
2875 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2876 m->file = strtol(arg, &p, 0);
2877 parse_meta_type(p, &m->type, &m->index);
2879 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2880 if (p = strchr(opt, ':'))
2881 parse_meta_type(p, &m1->type, &m1->index);
2885 if (m->type == 'g' || m1->type == 'g')
2886 metadata_global_autocopy = 0;
2887 if (m->type == 's' || m1->type == 's')
2888 metadata_streams_autocopy = 0;
2889 if (m->type == 'c' || m1->type == 'c')
2890 metadata_chapters_autocopy = 0;
2895 static int opt_input_ts_scale(const char *opt, const char *arg)
2897 return av_dict_set(&ts_scale, opt, arg, 0);
2900 static int opt_recording_time(const char *opt, const char *arg)
2902 recording_time = parse_time_or_die(opt, arg, 1);
2906 static int opt_start_time(const char *opt, const char *arg)
2908 start_time = parse_time_or_die(opt, arg, 1);
2912 static int opt_input_ts_offset(const char *opt, const char *arg)
2914 input_ts_offset = parse_time_or_die(opt, arg, 1);
2918 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2920 const char *codec_string = encoder ? "encoder" : "decoder";
2924 return CODEC_ID_NONE;
2926 avcodec_find_encoder_by_name(name) :
2927 avcodec_find_decoder_by_name(name);
2929 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2932 if(codec->type != type) {
2933 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2939 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2941 AVDictionaryEntry *e = NULL;
2942 char *codec_name = NULL;
2945 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2946 char *p = strchr(e->key, ':');
2948 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2949 codec_name = e->value;
2956 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2957 return avcodec_find_encoder(st->codec->codec_id);
2959 } else if (!strcmp(codec_name, "copy"))
2960 st->stream_copy = 1;
2962 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2963 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2964 avcodec_find_decoder_by_name(codec_name);
2971 * Add all the streams from the given input file to the global
2972 * list of input streams.
2974 static void add_input_streams(AVFormatContext *ic)
2976 int i, rfps, rfps_base, ret;
2978 for (i = 0; i < ic->nb_streams; i++) {
2979 AVStream *st = ic->streams[i];
2980 AVCodecContext *dec = st->codec;
2981 AVDictionaryEntry *e = NULL;
2985 dec->thread_count = thread_count;
2987 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2988 ist = &input_streams[nb_input_streams - 1];
2990 ist->file_index = nb_input_files;
2992 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2994 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2995 char *p = strchr(e->key, ':');
2997 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3003 ist->ts_scale = strtod(scale, NULL);
3005 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3007 switch (dec->codec_type) {
3008 case AVMEDIA_TYPE_AUDIO:
3010 ist->dec = avcodec_find_decoder(dec->codec_id);
3012 st->discard= AVDISCARD_ALL;
3014 case AVMEDIA_TYPE_VIDEO:
3016 ist->dec = avcodec_find_decoder(dec->codec_id);
3017 rfps = ic->streams[i]->r_frame_rate.num;
3018 rfps_base = ic->streams[i]->r_frame_rate.den;
3020 dec->flags |= CODEC_FLAG_EMU_EDGE;
3023 dec->debug |= FF_DEBUG_MV;
3025 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3028 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3029 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3031 (float)rfps / rfps_base, rfps, rfps_base);
3035 st->discard= AVDISCARD_ALL;
3036 else if(video_discard)
3037 st->discard= video_discard;
3039 case AVMEDIA_TYPE_DATA:
3041 case AVMEDIA_TYPE_SUBTITLE:
3043 ist->dec = avcodec_find_decoder(dec->codec_id);
3044 if(subtitle_disable)
3045 st->discard = AVDISCARD_ALL;
3047 case AVMEDIA_TYPE_ATTACHMENT:
3048 case AVMEDIA_TYPE_UNKNOWN:
3056 static int opt_input_file(const char *opt, const char *filename)
3058 AVFormatContext *ic;
3059 AVInputFormat *file_iformat = NULL;
3063 AVDictionary **opts;
3064 int orig_nb_streams; // number of streams before avformat_find_stream_info
3066 if (last_asked_format) {
3067 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3068 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3071 last_asked_format = NULL;
3074 if (!strcmp(filename, "-"))
3077 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3078 !strcmp(filename, "/dev/stdin");
3080 /* get default parameters from command line */
3081 ic = avformat_alloc_context();
3083 print_error(filename, AVERROR(ENOMEM));
3086 if (audio_sample_rate) {
3087 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3088 av_dict_set(&format_opts, "sample_rate", buf, 0);
3090 if (audio_channels) {
3091 snprintf(buf, sizeof(buf), "%d", audio_channels);
3092 av_dict_set(&format_opts, "channels", buf, 0);
3094 if (frame_rate.num) {
3095 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3096 av_dict_set(&format_opts, "framerate", buf, 0);
3098 if (frame_width && frame_height) {
3099 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3100 av_dict_set(&format_opts, "video_size", buf, 0);
3102 if (frame_pix_fmt != PIX_FMT_NONE)
3103 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3105 ic->flags |= AVFMT_FLAG_NONBLOCK;
3107 /* open the input file with generic libav function */
3108 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3110 print_error(filename, err);
3113 assert_avoptions(format_opts);
3118 for(i=0; i<ic->nb_streams; i++){
3119 ic->streams[i]->discard= AVDISCARD_ALL;
3121 for(i=0; i<ic->nb_programs; i++){
3122 AVProgram *p= ic->programs[i];
3123 if(p->id != opt_programid){
3124 p->discard = AVDISCARD_ALL;
3127 for(j=0; j<p->nb_stream_indexes; j++){
3128 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3133 fprintf(stderr, "Specified program id not found\n");
3139 /* apply forced codec ids */
3140 for (i = 0; i < ic->nb_streams; i++)
3141 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3143 /* Set AVCodecContext options for avformat_find_stream_info */
3144 opts = setup_find_stream_info_opts(ic, codec_opts);
3145 orig_nb_streams = ic->nb_streams;
3147 /* If not enough info to get the stream parameters, we decode the
3148 first frames to get it. (used in mpeg case for example) */
3149 ret = avformat_find_stream_info(ic, opts);
3150 if (ret < 0 && verbose >= 0) {
3151 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3152 av_close_input_file(ic);
3156 timestamp = start_time;
3157 /* add the stream start time */
3158 if (ic->start_time != AV_NOPTS_VALUE)
3159 timestamp += ic->start_time;
3161 /* if seeking requested, we execute it */
3162 if (start_time != 0) {
3163 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3165 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3166 filename, (double)timestamp / AV_TIME_BASE);
3168 /* reset seek info */
3172 /* update the current parameters so that they match the one of the input stream */
3173 add_input_streams(ic);
3175 /* dump the file content */
3177 av_dump_format(ic, nb_input_files, filename, 0);
3179 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3180 input_files[nb_input_files - 1].ctx = ic;
3181 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3182 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3183 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3185 top_field_first = -1;
3186 frame_rate = (AVRational){0, 0};
3187 frame_pix_fmt = PIX_FMT_NONE;
3190 audio_sample_rate = 0;
3192 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3193 av_dict_free(&ts_scale);
3194 input_ts_offset = 0;
3196 for (i = 0; i < orig_nb_streams; i++)
3197 av_dict_free(&opts[i]);
3199 av_dict_free(&codec_names);
3205 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3206 AVCodecContext *avctx)
3212 for (p = kf; *p; p++)
3215 ost->forced_kf_count = n;
3216 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3217 if (!ost->forced_kf_pts) {
3218 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3221 for (i = 0; i < n; i++) {
3222 p = i ? strchr(p, ',') + 1 : kf;
3223 t = parse_time_or_die("force_key_frames", p, 1);
3224 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3228 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3231 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3232 int idx = oc->nb_streams - 1;
3235 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3239 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3240 nb_output_streams + 1);
3241 ost = &output_streams[nb_output_streams - 1];
3242 ost->file_index = nb_output_files;
3245 st->codec->codec_type = type;
3246 ost->enc = choose_codec(oc, st, type, codec_names);
3248 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3251 avcodec_get_context_defaults3(st->codec, ost->enc);
3252 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3254 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3258 static OutputStream *new_video_stream(AVFormatContext *oc)
3262 AVCodecContext *video_enc;
3264 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3266 if (!st->stream_copy) {
3267 ost->frame_aspect_ratio = frame_aspect_ratio;
3268 frame_aspect_ratio = 0;
3270 ost->avfilter = vfilters;
3275 ost->bitstream_filters = video_bitstream_filters;
3276 video_bitstream_filters= NULL;
3278 st->codec->thread_count= thread_count;
3280 video_enc = st->codec;
3283 video_enc->codec_tag= video_codec_tag;
3285 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3286 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3289 if (st->stream_copy) {
3290 video_enc->sample_aspect_ratio =
3291 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3297 ost->frame_rate = frame_rate;
3299 video_enc->width = frame_width;
3300 video_enc->height = frame_height;
3301 video_enc->pix_fmt = frame_pix_fmt;
3302 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3303 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3305 if (video_qscale || same_quant) {
3306 video_enc->flags |= CODEC_FLAG_QSCALE;
3307 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3311 video_enc->intra_matrix = intra_matrix;
3313 video_enc->inter_matrix = inter_matrix;
3315 p= video_rc_override_string;
3318 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3320 fprintf(stderr, "error parsing rc_override\n");
3323 video_enc->rc_override=
3324 av_realloc(video_enc->rc_override,
3325 sizeof(RcOverride)*(i+1));
3326 video_enc->rc_override[i].start_frame= start;
3327 video_enc->rc_override[i].end_frame = end;
3329 video_enc->rc_override[i].qscale= q;
3330 video_enc->rc_override[i].quality_factor= 1.0;
3333 video_enc->rc_override[i].qscale= 0;
3334 video_enc->rc_override[i].quality_factor= -q/100.0;
3339 video_enc->rc_override_count=i;
3340 if (!video_enc->rc_initial_buffer_occupancy)
3341 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3342 video_enc->me_threshold= me_threshold;
3343 video_enc->intra_dc_precision= intra_dc_precision - 8;
3346 video_enc->flags|= CODEC_FLAG_PSNR;
3351 video_enc->flags |= CODEC_FLAG_PASS1;
3353 video_enc->flags |= CODEC_FLAG_PASS2;
3357 if (forced_key_frames)
3358 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3360 if (video_language) {
3361 av_dict_set(&st->metadata, "language", video_language, 0);
3362 av_freep(&video_language);
3365 /* reset some key parameters */
3367 av_freep(&forced_key_frames);
3368 frame_pix_fmt = PIX_FMT_NONE;
3372 static OutputStream *new_audio_stream(AVFormatContext *oc)
3376 AVCodecContext *audio_enc;
3378 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3381 ost->bitstream_filters = audio_bitstream_filters;
3382 audio_bitstream_filters= NULL;
3384 st->codec->thread_count= thread_count;
3386 audio_enc = st->codec;
3387 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3390 audio_enc->codec_tag= audio_codec_tag;
3392 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3393 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3395 if (!st->stream_copy) {
3396 if (audio_qscale > QSCALE_NONE) {
3397 audio_enc->flags |= CODEC_FLAG_QSCALE;
3398 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3401 audio_enc->channels = audio_channels;
3402 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3403 audio_enc->sample_fmt = audio_sample_fmt;
3404 if (audio_sample_rate)
3405 audio_enc->sample_rate = audio_sample_rate;
3407 if (audio_language) {
3408 av_dict_set(&st->metadata, "language", audio_language, 0);
3409 av_freep(&audio_language);
3412 /* reset some key parameters */
3418 static OutputStream *new_data_stream(AVFormatContext *oc)
3422 AVCodecContext *data_enc;
3424 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3426 data_enc = st->codec;
3427 if (!st->stream_copy) {
3428 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3433 data_enc->codec_tag= data_codec_tag;
3435 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3436 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3443 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3447 AVCodecContext *subtitle_enc;
3449 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3451 subtitle_enc = st->codec;
3453 ost->bitstream_filters = subtitle_bitstream_filters;
3454 subtitle_bitstream_filters= NULL;
3456 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3458 if(subtitle_codec_tag)
3459 subtitle_enc->codec_tag= subtitle_codec_tag;
3461 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3462 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3465 if (subtitle_language) {
3466 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3467 av_freep(&subtitle_language);
3470 subtitle_disable = 0;
3474 /* arg format is "output-stream-index:streamid-value". */
3475 static int opt_streamid(const char *opt, const char *arg)
3481 av_strlcpy(idx_str, arg, sizeof(idx_str));
3482 p = strchr(idx_str, ':');
3485 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3490 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3491 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3492 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3496 static int copy_chapters(int infile, int outfile)
3498 AVFormatContext *is = input_files[infile].ctx;
3499 AVFormatContext *os = output_files[outfile].ctx;
3502 for (i = 0; i < is->nb_chapters; i++) {
3503 AVChapter *in_ch = is->chapters[i], *out_ch;
3504 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3505 AV_TIME_BASE_Q, in_ch->time_base);
3506 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3507 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3510 if (in_ch->end < ts_off)
3512 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3515 out_ch = av_mallocz(sizeof(AVChapter));
3517 return AVERROR(ENOMEM);
3519 out_ch->id = in_ch->id;
3520 out_ch->time_base = in_ch->time_base;
3521 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3522 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3524 if (metadata_chapters_autocopy)
3525 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3528 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3530 return AVERROR(ENOMEM);
3531 os->chapters[os->nb_chapters - 1] = out_ch;
3536 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3539 AVFormatContext *ic = NULL;
3541 err = avformat_open_input(&ic, filename, NULL, NULL);
3544 /* copy stream format */
3545 for(i=0;i<ic->nb_streams;i++) {
3550 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3551 ost = new_output_stream(s, codec->type);
3554 // FIXME: a more elegant solution is needed
3555 memcpy(st, ic->streams[i], sizeof(AVStream));
3556 st->info = av_malloc(sizeof(*st->info));
3557 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3558 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3560 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3561 choose_sample_fmt(st, codec);
3562 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3563 choose_pixel_fmt(st, codec);
3566 av_close_input_file(ic);
3570 static int opt_output_file(const char *opt, const char *filename)
3572 AVFormatContext *oc;
3574 AVOutputFormat *file_oformat;
3578 if (!strcmp(filename, "-"))
3581 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3582 last_asked_format = NULL;
3584 print_error(filename, err);
3588 file_oformat= oc->oformat;
3590 if (!strcmp(file_oformat->name, "ffm") &&
3591 av_strstart(filename, "http:", NULL)) {
3592 /* special case for files sent to ffserver: we get the stream
3593 parameters from ffserver */
3594 int err = read_ffserver_streams(oc, filename);
3596 print_error(filename, err);
3599 } else if (!nb_stream_maps) {
3600 /* pick the "best" stream of each type */
3601 #define NEW_STREAM(type, index)\
3603 ost = new_ ## type ## _stream(oc);\
3604 ost->source_index = index;\
3605 ost->sync_ist = &input_streams[index];\
3606 input_streams[index].discard = 0;\
3609 /* video: highest resolution */
3610 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3611 int area = 0, idx = -1;
3612 for (i = 0; i < nb_input_streams; i++) {
3613 ist = &input_streams[i];
3614 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3615 ist->st->codec->width * ist->st->codec->height > area) {
3616 area = ist->st->codec->width * ist->st->codec->height;
3620 NEW_STREAM(video, idx);
3623 /* audio: most channels */
3624 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3625 int channels = 0, idx = -1;
3626 for (i = 0; i < nb_input_streams; i++) {
3627 ist = &input_streams[i];
3628 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3629 ist->st->codec->channels > channels) {
3630 channels = ist->st->codec->channels;
3634 NEW_STREAM(audio, idx);
3637 /* subtitles: pick first */
3638 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3639 for (i = 0; i < nb_input_streams; i++)
3640 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3641 NEW_STREAM(subtitle, i);
3645 /* do something with data? */
3647 for (i = 0; i < nb_stream_maps; i++) {
3648 StreamMap *map = &stream_maps[i];
3653 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3654 switch (ist->st->codec->codec_type) {
3655 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3656 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3657 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3658 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3660 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3661 map->file_index, map->stream_index);
3665 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3666 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3667 map->sync_stream_index];
3672 av_dict_copy(&oc->metadata, metadata, 0);
3673 av_dict_free(&metadata);
3676 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3677 output_files[nb_output_files - 1].ctx = oc;
3678 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3679 output_files[nb_output_files - 1].recording_time = recording_time;
3680 output_files[nb_output_files - 1].start_time = start_time;
3681 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3682 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3684 /* check filename in case of an image number is expected */
3685 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3686 if (!av_filename_number_test(oc->filename)) {
3687 print_error(oc->filename, AVERROR(EINVAL));
3692 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3693 /* test if it already exists to avoid loosing precious files */
3694 if (!file_overwrite &&
3695 (strchr(filename, ':') == NULL ||
3696 filename[1] == ':' ||
3697 av_strstart(filename, "file:", NULL))) {
3698 if (avio_check(filename, 0) == 0) {
3700 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3702 if (!read_yesno()) {
3703 fprintf(stderr, "Not overwriting - exiting\n");
3708 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3715 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3716 print_error(filename, err);
3721 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3722 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3725 if (chapters_input_file >= nb_input_files) {
3726 if (chapters_input_file == INT_MAX) {
3727 /* copy chapters from the first input file that has them*/
3728 chapters_input_file = -1;
3729 for (i = 0; i < nb_input_files; i++)
3730 if (input_files[i].ctx->nb_chapters) {
3731 chapters_input_file = i;
3735 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3736 chapters_input_file);
3740 if (chapters_input_file >= 0)
3741 copy_chapters(chapters_input_file, nb_output_files - 1);
3744 for (i = 0; i < nb_meta_data_maps; i++) {
3745 AVFormatContext *files[2];
3746 AVDictionary **meta[2];
3749 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3750 if ((index) < 0 || (index) >= (nb_elems)) {\
3751 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3756 int in_file_index = meta_data_maps[i][1].file;
3757 if (in_file_index < 0)
3759 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3762 files[1] = input_files[in_file_index].ctx;
3764 for (j = 0; j < 2; j++) {
3765 MetadataMap *map = &meta_data_maps[i][j];
3767 switch (map->type) {
3769 meta[j] = &files[j]->metadata;
3772 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3773 meta[j] = &files[j]->streams[map->index]->metadata;
3776 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3777 meta[j] = &files[j]->chapters[map->index]->metadata;
3780 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3781 meta[j] = &files[j]->programs[map->index]->metadata;
3786 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3789 /* copy global metadata by default */
3790 if (metadata_global_autocopy && nb_input_files)
3791 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3792 AV_DICT_DONT_OVERWRITE);
3793 if (metadata_streams_autocopy)
3794 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3795 InputStream *ist = &input_streams[output_streams[i].source_index];
3796 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3799 frame_rate = (AVRational){0, 0};
3802 audio_sample_rate = 0;
3804 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3805 chapters_input_file = INT_MAX;
3806 recording_time = INT64_MAX;
3808 limit_filesize = UINT64_MAX;
3810 av_freep(&meta_data_maps);
3811 nb_meta_data_maps = 0;
3812 metadata_global_autocopy = 1;
3813 metadata_streams_autocopy = 1;
3814 metadata_chapters_autocopy = 1;
3815 av_freep(&stream_maps);
3817 av_freep(&streamid_map);
3818 nb_streamid_map = 0;
3820 av_dict_free(&codec_names);
3822 av_freep(&forced_key_frames);
3828 /* same option as mencoder */
3829 static int opt_pass(const char *opt, const char *arg)
3831 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3835 static int64_t getutime(void)
3838 struct rusage rusage;
3840 getrusage(RUSAGE_SELF, &rusage);
3841 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3842 #elif HAVE_GETPROCESSTIMES
3844 FILETIME c, e, k, u;
3845 proc = GetCurrentProcess();
3846 GetProcessTimes(proc, &c, &e, &k, &u);
3847 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3849 return av_gettime();
3853 static int64_t getmaxrss(void)
3855 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3856 struct rusage rusage;
3857 getrusage(RUSAGE_SELF, &rusage);
3858 return (int64_t)rusage.ru_maxrss * 1024;
3859 #elif HAVE_GETPROCESSMEMORYINFO
3861 PROCESS_MEMORY_COUNTERS memcounters;
3862 proc = GetCurrentProcess();
3863 memcounters.cb = sizeof(memcounters);
3864 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3865 return memcounters.PeakPagefileUsage;
3871 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3874 const char *p = str;
3881 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3888 static int opt_inter_matrix(const char *opt, const char *arg)
3890 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3891 parse_matrix_coeffs(inter_matrix, arg);
3895 static int opt_intra_matrix(const char *opt, const char *arg)
3897 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3898 parse_matrix_coeffs(intra_matrix, arg);
3902 static void show_usage(void)
3904 printf("Hyper fast Audio and Video encoder\n");
3905 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3909 static int opt_help(const char *opt, const char *arg)
3912 AVOutputFormat *oformat = NULL;
3913 AVInputFormat *iformat = NULL;
3915 av_log_set_callback(log_callback_help);
3917 show_help_options(options, "Main options:\n",
3918 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3919 show_help_options(options, "\nAdvanced options:\n",
3920 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3922 show_help_options(options, "\nVideo options:\n",
3923 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3925 show_help_options(options, "\nAdvanced Video options:\n",
3926 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3927 OPT_VIDEO | OPT_EXPERT);
3928 show_help_options(options, "\nAudio options:\n",
3929 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3931 show_help_options(options, "\nAdvanced Audio options:\n",
3932 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3933 OPT_AUDIO | OPT_EXPERT);
3934 show_help_options(options, "\nSubtitle options:\n",
3935 OPT_SUBTITLE | OPT_GRAB,
3937 show_help_options(options, "\nAudio/Video grab options:\n",
3941 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3944 /* individual codec options */
3946 while ((c = av_codec_next(c))) {
3947 if (c->priv_class) {
3948 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3953 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3956 /* individual muxer options */
3957 while ((oformat = av_oformat_next(oformat))) {
3958 if (oformat->priv_class) {
3959 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3964 /* individual demuxer options */
3965 while ((iformat = av_iformat_next(iformat))) {
3966 if (iformat->priv_class) {
3967 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3972 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3976 static int opt_target(const char *opt, const char *arg)
3978 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3979 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3981 if(!strncmp(arg, "pal-", 4)) {
3984 } else if(!strncmp(arg, "ntsc-", 5)) {
3987 } else if(!strncmp(arg, "film-", 5)) {
3992 /* Calculate FR via float to avoid int overflow */
3993 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3996 } else if((fr == 29970) || (fr == 23976)) {
3999 /* Try to determine PAL/NTSC by peeking in the input files */
4000 if(nb_input_files) {
4002 for (j = 0; j < nb_input_files; j++) {
4003 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4004 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4005 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4007 fr = c->time_base.den * 1000 / c->time_base.num;
4011 } else if((fr == 29970) || (fr == 23976)) {
4021 if(verbose > 0 && norm != UNKNOWN)
4022 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4025 if(norm == UNKNOWN) {
4026 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4027 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4028 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4032 if(!strcmp(arg, "vcd")) {
4033 opt_codec("c:v", "mpeg1video");
4034 opt_codec("c:a", "mp2");
4035 opt_format("f", "vcd");
4037 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4038 opt_frame_rate("r", frame_rates[norm]);
4039 opt_default("g", norm == PAL ? "15" : "18");
4041 opt_default("b", "1150000");
4042 opt_default("maxrate", "1150000");
4043 opt_default("minrate", "1150000");
4044 opt_default("bufsize", "327680"); // 40*1024*8;
4046 opt_default("b:a", "224000");
4047 audio_sample_rate = 44100;
4050 opt_default("packetsize", "2324");
4051 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4053 /* We have to offset the PTS, so that it is consistent with the SCR.
4054 SCR starts at 36000, but the first two packs contain only padding
4055 and the first pack from the other stream, respectively, may also have
4056 been written before.
4057 So the real data starts at SCR 36000+3*1200. */
4058 mux_preload= (36000+3*1200) / 90000.0; //0.44
4059 } else if(!strcmp(arg, "svcd")) {
4061 opt_codec("c:v", "mpeg2video");
4062 opt_codec("c:a", "mp2");
4063 opt_format("f", "svcd");
4065 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4066 opt_frame_rate("r", frame_rates[norm]);
4067 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4068 opt_default("g", norm == PAL ? "15" : "18");
4070 opt_default("b", "2040000");
4071 opt_default("maxrate", "2516000");
4072 opt_default("minrate", "0"); //1145000;
4073 opt_default("bufsize", "1835008"); //224*1024*8;
4074 opt_default("flags", "+scan_offset");
4077 opt_default("b:a", "224000");
4078 audio_sample_rate = 44100;
4080 opt_default("packetsize", "2324");
4082 } else if(!strcmp(arg, "dvd")) {
4084 opt_codec("c:v", "mpeg2video");
4085 opt_codec("c:a", "ac3");
4086 opt_format("f", "dvd");
4088 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4089 opt_frame_rate("r", frame_rates[norm]);
4090 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4091 opt_default("g", norm == PAL ? "15" : "18");
4093 opt_default("b", "6000000");
4094 opt_default("maxrate", "9000000");
4095 opt_default("minrate", "0"); //1500000;
4096 opt_default("bufsize", "1835008"); //224*1024*8;
4098 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4099 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4101 opt_default("b:a", "448000");
4102 audio_sample_rate = 48000;
4104 } else if(!strncmp(arg, "dv", 2)) {
4106 opt_format("f", "dv");
4108 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4109 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4110 norm == PAL ? "yuv420p" : "yuv411p");
4111 opt_frame_rate("r", frame_rates[norm]);
4113 audio_sample_rate = 48000;
4117 fprintf(stderr, "Unknown target: %s\n", arg);
4118 return AVERROR(EINVAL);
4123 static int opt_vstats_file(const char *opt, const char *arg)
4125 av_free (vstats_filename);
4126 vstats_filename=av_strdup (arg);
4130 static int opt_vstats(const char *opt, const char *arg)
4133 time_t today2 = time(NULL);
4134 struct tm *today = localtime(&today2);
4136 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4138 return opt_vstats_file(opt, filename);
4141 static int opt_bsf(const char *opt, const char *arg)
4143 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4144 AVBitStreamFilterContext **bsfp;
4147 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4151 bsfp= *opt == 'v' ? &video_bitstream_filters :
4152 *opt == 'a' ? &audio_bitstream_filters :
4153 &subtitle_bitstream_filters;
4155 bsfp= &(*bsfp)->next;
4162 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4166 static int opt_passlogfile(const char *opt, const char *arg)
4168 pass_logfilename_prefix = arg;
4169 #if CONFIG_LIBX264_ENCODER
4170 return opt_default("passlogfile", arg);
4176 static const OptionDef options[] = {
4178 #include "cmdutils_common_opts.h"
4179 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4180 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4181 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4182 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4183 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4184 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4185 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4186 "outfile[,metadata]:infile[,metadata]" },
4187 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4188 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4189 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4190 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4191 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4192 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4193 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4194 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4195 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4196 "add timings for benchmarking" },
4197 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4198 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4199 "dump each input packet" },
4200 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4201 "when dumping packets, also dump the payload" },
4202 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4203 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4204 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4205 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4206 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4207 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4208 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4209 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4210 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4211 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4212 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4213 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4214 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4215 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4218 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4219 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4220 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4221 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4222 { "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" },
4223 { "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" },
4224 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4225 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4226 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4227 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4228 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4229 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4230 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4231 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4232 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4233 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4234 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4235 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4236 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4237 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4238 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4239 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4240 "use same quantizer as source (implies VBR)" },
4241 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4242 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4243 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4244 "deinterlace pictures" },
4245 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4246 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4247 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4249 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4251 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4252 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4253 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4254 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4255 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4256 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4257 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4258 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4259 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4260 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4263 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4264 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4265 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4266 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4267 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4268 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4269 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4270 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4271 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4272 { "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" },
4274 /* subtitle options */
4275 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4276 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4277 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4278 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4281 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4284 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4285 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4287 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4288 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4289 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4291 /* data codec support */
4292 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4294 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4298 int main(int argc, char **argv)
4302 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4304 if(argc>1 && !strcmp(argv[1], "-d")){
4307 av_log_set_callback(log_callback_null);
4312 avcodec_register_all();
4314 avdevice_register_all();
4317 avfilter_register_all();
4322 if(isatty(STDIN_FILENO))
4323 avio_set_interrupt_cb(decode_interrupt_cb);
4332 parse_options(argc, argv, options, opt_output_file);
4334 if(nb_output_files <= 0 && nb_input_files == 0) {
4336 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4340 /* file converter / grab */
4341 if (nb_output_files <= 0) {
4342 fprintf(stderr, "At least one output file must be specified\n");
4346 if (nb_input_files == 0) {
4347 fprintf(stderr, "At least one input file must be specified\n");
4352 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4354 ti = getutime() - ti;
4356 int maxrss = getmaxrss() / 1024;
4357 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4360 return exit_program(0);