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[] = "ffmpeg";
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 loop_input = 0;
156 static int loop_output = AVFMT_NOOUTPUTLOOP;
157 static int qp_hist = 0;
159 static char *vfilters = NULL;
162 static int intra_only = 0;
163 static int audio_sample_rate = 0;
164 #define QSCALE_NONE -99999
165 static float audio_qscale = QSCALE_NONE;
166 static int audio_disable = 0;
167 static int audio_channels = 0;
168 static unsigned int audio_codec_tag = 0;
169 static char *audio_language = NULL;
171 static int subtitle_disable = 0;
172 static char *subtitle_language = NULL;
173 static unsigned int subtitle_codec_tag = 0;
175 static int data_disable = 0;
176 static unsigned int data_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static AVDictionary *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static const char *pass_logfilename_prefix;
192 static int video_sync_method= -1;
193 static int audio_sync_method= 0;
194 static float audio_drift_threshold= 0.1;
195 static int copy_ts= 0;
196 static int copy_tb= 0;
197 static int opt_shortest = 0;
198 static char *vstats_filename;
199 static FILE *vstats_file;
200 static int opt_programid = 0;
201 static int copy_initial_nonkeyframes = 0;
203 static int rate_emu = 0;
205 static int audio_volume = 256;
207 static int exit_on_error = 0;
208 static int using_stdin = 0;
209 static int verbose = 1;
210 static int run_as_daemon = 0;
211 static int thread_count= 1;
212 static int q_pressed = 0;
213 static int64_t video_size = 0;
214 static int64_t audio_size = 0;
215 static int64_t extra_size = 0;
216 static int nb_frames_dup = 0;
217 static int nb_frames_drop = 0;
218 static int input_sync;
219 static uint64_t limit_filesize = UINT64_MAX;
220 static int force_fps = 0;
221 static char *forced_key_frames = NULL;
223 static float dts_delta_threshold = 10;
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
229 static short *samples;
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
235 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
237 typedef struct InputStream {
240 int discard; /* true if stream data should be discarded */
241 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
244 int64_t start; /* time when read started */
245 int64_t next_pts; /* synthetic pts for cases where pkt.pts
247 int64_t pts; /* current pts */
249 int is_start; /* is 1 at the start and after a discontinuity */
250 int showed_multi_packet_warning;
254 typedef struct InputFile {
255 AVFormatContext *ctx;
256 int eof_reached; /* true if eof reached */
257 int ist_index; /* index of first stream in ist_table */
258 int buffer_size; /* current total buffer size */
260 int nb_streams; /* number of stream that avconv is aware of; may be different
261 from ctx.nb_streams if new streams appear during av_read_frame() */
264 typedef struct OutputStream {
265 int file_index; /* file index */
266 int index; /* stream index in the output file */
267 int source_index; /* InputStream index */
268 AVStream *st; /* stream in the output file */
269 int encoding_needed; /* true if encoding needed for this stream */
271 /* input pts and corresponding output pts
273 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
274 struct InputStream *sync_ist; /* input stream to sync against */
275 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
276 AVBitStreamFilterContext *bitstream_filters;
281 AVFrame resample_frame; /* temporary frame for image resampling */
282 struct SwsContext *img_resample_ctx; /* for image resampling */
285 int resample_pix_fmt;
286 AVRational frame_rate;
288 float frame_aspect_ratio;
290 /* forced key frames */
291 int64_t *forced_kf_pts;
297 ReSampleContext *resample; /* for audio resampling */
298 int resample_sample_fmt;
299 int resample_channels;
300 int resample_sample_rate;
302 AVAudioConvert *reformat_ctx;
303 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
307 AVFilterContext *output_video_filter;
308 AVFilterContext *input_video_filter;
309 AVFilterBufferRef *picref;
311 AVFilterGraph *graph;
316 int is_past_recording_time;
322 /* init terminal so that we can grab keys */
323 static struct termios oldtty;
326 typedef struct OutputFile {
327 AVFormatContext *ctx;
329 int ost_index; /* index of the first stream in output_streams */
330 int64_t recording_time; /* desired length of the resulting file in microseconds */
331 int64_t start_time; /* start time in microseconds */
332 uint64_t limit_filesize;
335 static InputStream *input_streams = NULL;
336 static int nb_input_streams = 0;
337 static InputFile *input_files = NULL;
338 static int nb_input_files = 0;
340 static OutputStream *output_streams = NULL;
341 static int nb_output_streams = 0;
342 static OutputFile *output_files = NULL;
343 static int nb_output_files = 0;
347 static int configure_video_filters(InputStream *ist, OutputStream *ost)
349 AVFilterContext *last_filter, *filter;
350 /** filter graph containing all filters including input & output */
351 AVCodecContext *codec = ost->st->codec;
352 AVCodecContext *icodec = ist->st->codec;
353 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
354 AVRational sample_aspect_ratio;
358 ost->graph = avfilter_graph_alloc();
360 if (ist->st->sample_aspect_ratio.num){
361 sample_aspect_ratio = ist->st->sample_aspect_ratio;
363 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
365 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
366 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
367 sample_aspect_ratio.num, sample_aspect_ratio.den);
369 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
370 "src", args, NULL, ost->graph);
373 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
374 "out", NULL, pix_fmts, ost->graph);
377 last_filter = ost->input_video_filter;
379 if (codec->width != icodec->width || codec->height != icodec->height) {
380 snprintf(args, 255, "%d:%d:flags=0x%X",
384 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
385 NULL, args, NULL, ost->graph)) < 0)
387 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
389 last_filter = filter;
392 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
393 ost->graph->scale_sws_opts = av_strdup(args);
396 AVFilterInOut *outputs = avfilter_inout_alloc();
397 AVFilterInOut *inputs = avfilter_inout_alloc();
399 outputs->name = av_strdup("in");
400 outputs->filter_ctx = last_filter;
401 outputs->pad_idx = 0;
402 outputs->next = NULL;
404 inputs->name = av_strdup("out");
405 inputs->filter_ctx = ost->output_video_filter;
409 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
411 av_freep(&ost->avfilter);
413 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
417 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
420 codec->width = ost->output_video_filter->inputs[0]->w;
421 codec->height = ost->output_video_filter->inputs[0]->h;
422 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
423 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
424 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
425 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
429 #endif /* CONFIG_AVFILTER */
431 static void term_exit(void)
433 av_log(NULL, AV_LOG_QUIET, "%s", "");
436 tcsetattr (0, TCSANOW, &oldtty);
440 static volatile int received_sigterm = 0;
443 sigterm_handler(int sig)
445 received_sigterm = sig;
450 static void term_init(void)
460 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
461 |INLCR|IGNCR|ICRNL|IXON);
462 tty.c_oflag |= OPOST;
463 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
464 tty.c_cflag &= ~(CSIZE|PARENB);
469 tcsetattr (0, TCSANOW, &tty);
470 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
474 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
475 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
477 signal(SIGXCPU, sigterm_handler);
481 /* read a key without blocking */
482 static int read_key(void)
497 n = select(1, &rfds, NULL, NULL, &tv);
512 static int decode_interrupt_cb(void)
514 q_pressed += read_key() == 'q';
515 return q_pressed > 1;
518 static int exit_program(int ret)
523 for(i=0;i<nb_output_files;i++) {
524 AVFormatContext *s = output_files[i].ctx;
525 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
527 avformat_free_context(s);
528 av_dict_free(&output_files[i].opts);
530 for(i=0;i<nb_input_files;i++) {
531 av_close_input_file(input_files[i].ctx);
533 for (i = 0; i < nb_input_streams; i++)
534 av_dict_free(&input_streams[i].opts);
536 av_free(intra_matrix);
537 av_free(inter_matrix);
541 av_free(vstats_filename);
543 av_free(meta_data_maps);
545 av_freep(&input_streams);
546 av_freep(&input_files);
547 av_freep(&output_streams);
548 av_freep(&output_files);
553 allocated_audio_buf_size= allocated_audio_out_size= 0;
560 if (received_sigterm) {
562 "Received signal %d: terminating.\n",
563 (int) received_sigterm);
567 exit(ret); /* not all OS-es handle main() return value */
571 static void assert_avoptions(AVDictionary *m)
573 AVDictionaryEntry *t;
574 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
575 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
580 static void assert_codec_experimental(AVCodecContext *c, int encoder)
582 const char *codec_string = encoder ? "encoder" : "decoder";
584 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
585 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
586 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
587 "results.\nAdd '-strict experimental' if you want to use it.\n",
588 codec_string, c->codec->name);
589 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
590 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
591 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
592 codec_string, codec->name);
597 /* similar to ff_dynarray_add() and av_fast_realloc() */
598 static void *grow_array(void *array, int elem_size, int *size, int new_size)
600 if (new_size >= INT_MAX / elem_size) {
601 fprintf(stderr, "Array too big.\n");
604 if (*size < new_size) {
605 uint8_t *tmp = av_realloc(array, new_size*elem_size);
607 fprintf(stderr, "Could not alloc buffer.\n");
610 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
617 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
619 if(codec && codec->sample_fmts){
620 const enum AVSampleFormat *p= codec->sample_fmts;
622 if(*p == st->codec->sample_fmt)
626 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
627 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
628 if(av_get_sample_fmt_name(st->codec->sample_fmt))
629 av_log(NULL, AV_LOG_WARNING,
630 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
631 av_get_sample_fmt_name(st->codec->sample_fmt),
633 av_get_sample_fmt_name(codec->sample_fmts[0]));
634 st->codec->sample_fmt = codec->sample_fmts[0];
639 static void choose_sample_rate(AVStream *st, AVCodec *codec)
641 if(codec && codec->supported_samplerates){
642 const int *p= codec->supported_samplerates;
644 int best_dist=INT_MAX;
646 int dist= abs(st->codec->sample_rate - *p);
647 if(dist < best_dist){
653 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
655 st->codec->sample_rate= best;
659 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
661 if(codec && codec->pix_fmts){
662 const enum PixelFormat *p= codec->pix_fmts;
663 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
664 if(st->codec->codec_id==CODEC_ID_MJPEG){
665 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
666 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
667 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};
671 if(*p == st->codec->pix_fmt)
675 if(st->codec->pix_fmt != PIX_FMT_NONE)
676 av_log(NULL, AV_LOG_WARNING,
677 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
678 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
680 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
681 st->codec->pix_fmt = codec->pix_fmts[0];
687 get_sync_ipts(const OutputStream *ost)
689 const InputStream *ist = ost->sync_ist;
690 OutputFile *of = &output_files[ost->file_index];
691 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
694 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
698 AVPacket new_pkt= *pkt;
699 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
700 &new_pkt.data, &new_pkt.size,
701 pkt->data, pkt->size,
702 pkt->flags & AV_PKT_FLAG_KEY);
705 new_pkt.destruct= av_destruct_packet;
707 fprintf(stderr, "%s failed for stream %d, codec %s",
708 bsfc->filter->name, pkt->stream_index,
709 avctx->codec ? avctx->codec->name : "copy");
719 ret= av_interleaved_write_frame(s, pkt);
721 print_error("av_interleaved_write_frame()", ret);
726 static void do_audio_out(AVFormatContext *s,
729 unsigned char *buf, int size)
732 int64_t audio_out_size, audio_buf_size;
733 int64_t allocated_for_size= size;
735 int size_out, frame_bytes, ret, resample_changed;
736 AVCodecContext *enc= ost->st->codec;
737 AVCodecContext *dec= ist->st->codec;
738 int osize = av_get_bytes_per_sample(enc->sample_fmt);
739 int isize = av_get_bytes_per_sample(dec->sample_fmt);
740 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
743 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
744 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
745 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
746 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
747 audio_buf_size*= osize*enc->channels;
749 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
750 if(coded_bps > 8*osize)
751 audio_out_size= audio_out_size * coded_bps / (8*osize);
752 audio_out_size += FF_MIN_BUFFER_SIZE;
754 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
755 fprintf(stderr, "Buffer sizes too large\n");
759 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
760 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
761 if (!audio_buf || !audio_out){
762 fprintf(stderr, "Out of memory in do_audio_out\n");
766 if (enc->channels != dec->channels)
767 ost->audio_resample = 1;
769 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
770 ost->resample_channels != dec->channels ||
771 ost->resample_sample_rate != dec->sample_rate;
773 if ((ost->audio_resample && !ost->resample) || resample_changed) {
774 if (resample_changed) {
775 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",
776 ist->file_index, ist->st->index,
777 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
778 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
779 ost->resample_sample_fmt = dec->sample_fmt;
780 ost->resample_channels = dec->channels;
781 ost->resample_sample_rate = dec->sample_rate;
783 audio_resample_close(ost->resample);
785 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
786 if (audio_sync_method <= 1 &&
787 ost->resample_sample_fmt == enc->sample_fmt &&
788 ost->resample_channels == enc->channels &&
789 ost->resample_sample_rate == enc->sample_rate) {
790 ost->resample = NULL;
791 ost->audio_resample = 0;
793 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
794 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
795 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
796 enc->sample_rate, dec->sample_rate,
797 enc->sample_fmt, dec->sample_fmt,
799 if (!ost->resample) {
800 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
801 dec->channels, dec->sample_rate,
802 enc->channels, enc->sample_rate);
808 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
809 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
810 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
811 if (ost->reformat_ctx)
812 av_audio_convert_free(ost->reformat_ctx);
813 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
814 dec->sample_fmt, 1, NULL, 0);
815 if (!ost->reformat_ctx) {
816 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
817 av_get_sample_fmt_name(dec->sample_fmt),
818 av_get_sample_fmt_name(enc->sample_fmt));
821 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
824 if(audio_sync_method){
825 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
826 - av_fifo_size(ost->fifo)/(enc->channels * 2);
827 double idelta= delta*dec->sample_rate / enc->sample_rate;
828 int byte_delta= ((int)idelta)*2*dec->channels;
830 //FIXME resample delay
831 if(fabs(delta) > 50){
832 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
834 byte_delta= FFMAX(byte_delta, -size);
838 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
843 static uint8_t *input_tmp= NULL;
844 input_tmp= av_realloc(input_tmp, byte_delta + size);
846 if(byte_delta > allocated_for_size - size){
847 allocated_for_size= byte_delta + (int64_t)size;
852 memset(input_tmp, 0, byte_delta);
853 memcpy(input_tmp + byte_delta, buf, size);
857 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
859 }else if(audio_sync_method>1){
860 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
861 av_assert0(ost->audio_resample);
863 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
864 // 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));
865 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
869 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
870 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
872 if (ost->audio_resample) {
874 size_out = audio_resample(ost->resample,
875 (short *)buftmp, (short *)buf,
876 size / (dec->channels * isize));
877 size_out = size_out * enc->channels * osize;
883 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
884 const void *ibuf[6]= {buftmp};
885 void *obuf[6]= {audio_buf};
886 int istride[6]= {isize};
887 int ostride[6]= {osize};
888 int len= size_out/istride[0];
889 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
890 printf("av_audio_convert() failed\n");
896 size_out = len*osize;
899 /* now encode as many frames as possible */
900 if (enc->frame_size > 1) {
901 /* output resampled raw samples */
902 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
903 fprintf(stderr, "av_fifo_realloc2() failed\n");
906 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
908 frame_bytes = enc->frame_size * osize * enc->channels;
910 while (av_fifo_size(ost->fifo) >= frame_bytes) {
912 av_init_packet(&pkt);
914 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
916 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
918 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
921 fprintf(stderr, "Audio encoding failed\n");
925 pkt.stream_index= ost->index;
928 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
929 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
930 pkt.flags |= AV_PKT_FLAG_KEY;
931 write_frame(s, &pkt, enc, ost->bitstream_filters);
933 ost->sync_opts += enc->frame_size;
937 av_init_packet(&pkt);
939 ost->sync_opts += size_out / (osize * enc->channels);
941 /* output a pcm frame */
942 /* determine the size of the coded buffer */
945 size_out = size_out*coded_bps/8;
947 if(size_out > audio_out_size){
948 fprintf(stderr, "Internal error, buffer size too small\n");
952 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
953 ret = avcodec_encode_audio(enc, audio_out, size_out,
956 fprintf(stderr, "Audio encoding failed\n");
960 pkt.stream_index= ost->index;
963 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
964 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
965 pkt.flags |= AV_PKT_FLAG_KEY;
966 write_frame(s, &pkt, enc, ost->bitstream_filters);
970 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
974 AVPicture picture_tmp;
977 dec = ist->st->codec;
979 /* deinterlace : must be done before any resize */
980 if (do_deinterlace) {
983 /* create temporary picture */
984 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
985 buf = av_malloc(size);
989 picture2 = &picture_tmp;
990 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
992 if(avpicture_deinterlace(picture2, picture,
993 dec->pix_fmt, dec->width, dec->height) < 0) {
994 /* if error, do not deinterlace */
995 fprintf(stderr, "Deinterlacing failed\n");
1004 if (picture != picture2)
1005 *picture = *picture2;
1009 static void do_subtitle_out(AVFormatContext *s,
1015 static uint8_t *subtitle_out = NULL;
1016 int subtitle_out_max_size = 1024 * 1024;
1017 int subtitle_out_size, nb, i;
1018 AVCodecContext *enc;
1021 if (pts == AV_NOPTS_VALUE) {
1022 fprintf(stderr, "Subtitle packets must have a pts\n");
1028 enc = ost->st->codec;
1030 if (!subtitle_out) {
1031 subtitle_out = av_malloc(subtitle_out_max_size);
1034 /* Note: DVB subtitle need one packet to draw them and one other
1035 packet to clear them */
1036 /* XXX: signal it in the codec context ? */
1037 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1042 for(i = 0; i < nb; i++) {
1043 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1044 // start_display_time is required to be 0
1045 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1046 sub->end_display_time -= sub->start_display_time;
1047 sub->start_display_time = 0;
1048 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1049 subtitle_out_max_size, sub);
1050 if (subtitle_out_size < 0) {
1051 fprintf(stderr, "Subtitle encoding failed\n");
1055 av_init_packet(&pkt);
1056 pkt.stream_index = ost->index;
1057 pkt.data = subtitle_out;
1058 pkt.size = subtitle_out_size;
1059 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1060 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1061 /* XXX: the pts correction is handled here. Maybe handling
1062 it in the codec would be better */
1064 pkt.pts += 90 * sub->start_display_time;
1066 pkt.pts += 90 * sub->end_display_time;
1068 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1072 static int bit_buffer_size= 1024*256;
1073 static uint8_t *bit_buffer= NULL;
1075 static void do_video_resample(OutputStream *ost,
1077 AVFrame *in_picture,
1078 AVFrame **out_picture)
1081 *out_picture = in_picture;
1083 AVCodecContext *dec = ist->st->codec;
1084 AVCodecContext *enc = ost->st->codec;
1085 int resample_changed = ost->resample_width != dec->width ||
1086 ost->resample_height != dec->height ||
1087 ost->resample_pix_fmt != dec->pix_fmt;
1089 *out_picture = in_picture;
1090 if (resample_changed) {
1091 av_log(NULL, AV_LOG_INFO,
1092 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1093 ist->file_index, ist->st->index,
1094 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1095 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1096 ost->resample_width = dec->width;
1097 ost->resample_height = dec->height;
1098 ost->resample_pix_fmt = dec->pix_fmt;
1101 ost->video_resample = dec->width != enc->width ||
1102 dec->height != enc->height ||
1103 dec->pix_fmt != enc->pix_fmt;
1105 if (ost->video_resample) {
1106 *out_picture = &ost->resample_frame;
1107 if (!ost->img_resample_ctx || resample_changed) {
1108 /* initialize the destination picture */
1109 if (!ost->resample_frame.data[0]) {
1110 avcodec_get_frame_defaults(&ost->resample_frame);
1111 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1112 enc->width, enc->height)) {
1113 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1117 /* initialize a new scaler context */
1118 sws_freeContext(ost->img_resample_ctx);
1119 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1120 enc->width, enc->height, enc->pix_fmt,
1121 ost->sws_flags, NULL, NULL, NULL);
1122 if (ost->img_resample_ctx == NULL) {
1123 fprintf(stderr, "Cannot get resampling context\n");
1127 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1128 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1134 static void do_video_out(AVFormatContext *s,
1137 AVFrame *in_picture,
1138 int *frame_size, float quality)
1140 int nb_frames, i, ret, format_video_sync;
1141 AVFrame *final_picture;
1142 AVCodecContext *enc;
1145 enc = ost->st->codec;
1147 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1149 /* by default, we output a single frame */
1154 format_video_sync = video_sync_method;
1155 if (format_video_sync < 0)
1156 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1158 if (format_video_sync) {
1159 double vdelta = sync_ipts - ost->sync_opts;
1160 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1163 else if (format_video_sync == 2) {
1166 }else if(vdelta>0.6)
1167 ost->sync_opts= lrintf(sync_ipts);
1168 }else if (vdelta > 1.1)
1169 nb_frames = lrintf(vdelta);
1170 //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);
1171 if (nb_frames == 0){
1174 fprintf(stderr, "*** drop!\n");
1175 }else if (nb_frames > 1) {
1176 nb_frames_dup += nb_frames - 1;
1178 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1181 ost->sync_opts= lrintf(sync_ipts);
1183 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1187 do_video_resample(ost, ist, in_picture, &final_picture);
1189 /* duplicates frame if needed */
1190 for(i=0;i<nb_frames;i++) {
1192 av_init_packet(&pkt);
1193 pkt.stream_index= ost->index;
1195 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1196 /* raw pictures are written as AVPicture structure to
1197 avoid any copies. We support temporarily the older
1199 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1200 enc->coded_frame->top_field_first = in_picture->top_field_first;
1201 pkt.data= (uint8_t *)final_picture;
1202 pkt.size= sizeof(AVPicture);
1203 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1204 pkt.flags |= AV_PKT_FLAG_KEY;
1206 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1208 AVFrame big_picture;
1210 big_picture= *final_picture;
1211 /* better than nothing: use input picture interlaced
1213 big_picture.interlaced_frame = in_picture->interlaced_frame;
1214 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1215 if(top_field_first == -1)
1216 big_picture.top_field_first = in_picture->top_field_first;
1218 big_picture.top_field_first = top_field_first;
1221 /* handles same_quant here. This is not correct because it may
1222 not be a global option */
1223 big_picture.quality = quality;
1225 big_picture.pict_type = 0;
1226 // big_picture.pts = AV_NOPTS_VALUE;
1227 big_picture.pts= ost->sync_opts;
1228 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1229 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1230 if (ost->forced_kf_index < ost->forced_kf_count &&
1231 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1232 big_picture.pict_type = AV_PICTURE_TYPE_I;
1233 ost->forced_kf_index++;
1235 ret = avcodec_encode_video(enc,
1236 bit_buffer, bit_buffer_size,
1239 fprintf(stderr, "Video encoding failed\n");
1244 pkt.data= bit_buffer;
1246 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1247 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1248 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1249 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1250 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1252 if(enc->coded_frame->key_frame)
1253 pkt.flags |= AV_PKT_FLAG_KEY;
1254 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1257 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1258 // enc->frame_number-1, ret, enc->pict_type);
1259 /* if two pass, output log */
1260 if (ost->logfile && enc->stats_out) {
1261 fprintf(ost->logfile, "%s", enc->stats_out);
1266 ost->frame_number++;
1270 static double psnr(double d){
1271 return -10.0*log(d)/log(10.0);
1274 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1277 AVCodecContext *enc;
1279 double ti1, bitrate, avg_bitrate;
1281 /* this is executed just the first time do_video_stats is called */
1283 vstats_file = fopen(vstats_filename, "w");
1290 enc = ost->st->codec;
1291 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1292 frame_number = ost->frame_number;
1293 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1294 if (enc->flags&CODEC_FLAG_PSNR)
1295 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1297 fprintf(vstats_file,"f_size= %6d ", frame_size);
1298 /* compute pts value */
1299 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1303 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1304 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1305 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1306 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1307 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1311 static void print_report(OutputFile *output_files,
1312 OutputStream *ost_table, int nb_ostreams,
1313 int is_last_report, int64_t timer_start)
1317 AVFormatContext *oc;
1319 AVCodecContext *enc;
1320 int frame_number, vid, i;
1322 int64_t pts = INT64_MAX;
1323 static int64_t last_time = -1;
1324 static int qp_histogram[52];
1326 if (!is_last_report) {
1328 /* display the report every 0.5 seconds */
1329 cur_time = av_gettime();
1330 if (last_time == -1) {
1331 last_time = cur_time;
1334 if ((cur_time - last_time) < 500000)
1336 last_time = cur_time;
1340 oc = output_files[0].ctx;
1342 total_size = avio_size(oc->pb);
1343 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1344 total_size= avio_tell(oc->pb);
1348 for(i=0;i<nb_ostreams;i++) {
1350 ost = &ost_table[i];
1351 enc = ost->st->codec;
1352 if (!ost->st->stream_copy && enc->coded_frame)
1353 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1354 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1357 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1358 float t = (av_gettime()-timer_start) / 1000000.0;
1360 frame_number = ost->frame_number;
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1362 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1368 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1373 if (enc->flags&CODEC_FLAG_PSNR){
1375 double error, error_sum=0;
1376 double scale, scale_sum=0;
1377 char type[3]= {'Y','U','V'};
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1381 error= enc->error[j];
1382 scale= enc->width*enc->height*255.0*255.0*frame_number;
1384 error= enc->coded_frame->error[j];
1385 scale= enc->width*enc->height*255.0*255.0;
1390 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1392 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1396 /* compute min output value */
1397 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1398 ost->st->time_base, AV_TIME_BASE_Q));
1401 if (verbose > 0 || is_last_report) {
1402 int hours, mins, secs, us;
1403 secs = pts / AV_TIME_BASE;
1404 us = pts % AV_TIME_BASE;
1410 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1413 "size=%8.0fkB time=", total_size / 1024.0);
1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1415 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1416 (100 * us) / AV_TIME_BASE);
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1418 "bitrate=%6.1fkbits/s", bitrate);
1420 if (nb_frames_dup || nb_frames_drop)
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1422 nb_frames_dup, nb_frames_drop);
1425 fprintf(stderr, "%s \r", buf);
1430 if (is_last_report && verbose >= 0){
1431 int64_t raw= audio_size + video_size + extra_size;
1432 fprintf(stderr, "\n");
1433 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1437 100.0*(total_size - raw)/raw
1442 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1444 int fill_char = 0x00;
1445 if (sample_fmt == AV_SAMPLE_FMT_U8)
1447 memset(buf, fill_char, size);
1450 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1454 for (i = 0; i < nb_ostreams; i++) {
1455 OutputStream *ost = &ost_table[i];
1456 AVCodecContext *enc = ost->st->codec;
1457 AVFormatContext *os = output_files[ost->file_index].ctx;
1459 if (!ost->encoding_needed)
1462 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1464 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1470 av_init_packet(&pkt);
1471 pkt.stream_index= ost->index;
1473 switch (ost->st->codec->codec_type) {
1474 case AVMEDIA_TYPE_AUDIO:
1475 fifo_bytes = av_fifo_size(ost->fifo);
1477 /* encode any samples remaining in fifo */
1478 if (fifo_bytes > 0) {
1479 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1480 int fs_tmp = enc->frame_size;
1482 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1483 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1484 enc->frame_size = fifo_bytes / (osize * enc->channels);
1486 int frame_bytes = enc->frame_size*osize*enc->channels;
1487 if (allocated_audio_buf_size < frame_bytes)
1489 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1492 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1493 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1494 ost->st->time_base.num, enc->sample_rate);
1495 enc->frame_size = fs_tmp;
1498 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1501 fprintf(stderr, "Audio encoding failed\n");
1505 pkt.flags |= AV_PKT_FLAG_KEY;
1507 case AVMEDIA_TYPE_VIDEO:
1508 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1510 fprintf(stderr, "Video encoding failed\n");
1514 if(enc->coded_frame && enc->coded_frame->key_frame)
1515 pkt.flags |= AV_PKT_FLAG_KEY;
1516 if (ost->logfile && enc->stats_out) {
1517 fprintf(ost->logfile, "%s", enc->stats_out);
1526 pkt.data = bit_buffer;
1528 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1529 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1530 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1535 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1536 static int output_packet(InputStream *ist, int ist_index,
1537 OutputStream *ost_table, int nb_ostreams,
1538 const AVPacket *pkt)
1540 AVFormatContext *os;
1545 void *buffer_to_free = NULL;
1546 static unsigned int samples_size= 0;
1547 AVSubtitle subtitle, *subtitle_to_free;
1548 int64_t pkt_pts = AV_NOPTS_VALUE;
1550 int frame_available;
1555 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1557 if(ist->next_pts == AV_NOPTS_VALUE)
1558 ist->next_pts= ist->pts;
1562 av_init_packet(&avpkt);
1570 if(pkt->dts != AV_NOPTS_VALUE)
1571 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1572 if(pkt->pts != AV_NOPTS_VALUE)
1573 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1575 //while we have more to decode or while the decoder did output something on EOF
1576 while (avpkt.size > 0 || (!pkt && got_output)) {
1577 uint8_t *data_buf, *decoded_data_buf;
1578 int data_size, decoded_data_size;
1580 ist->pts= ist->next_pts;
1582 if(avpkt.size && avpkt.size != pkt->size &&
1583 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1584 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1585 ist->showed_multi_packet_warning=1;
1588 /* decode the packet if needed */
1589 decoded_data_buf = NULL; /* fail safe */
1590 decoded_data_size= 0;
1591 data_buf = avpkt.data;
1592 data_size = avpkt.size;
1593 subtitle_to_free = NULL;
1594 if (ist->decoding_needed) {
1595 switch(ist->st->codec->codec_type) {
1596 case AVMEDIA_TYPE_AUDIO:{
1597 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1598 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1600 samples= av_malloc(samples_size);
1602 decoded_data_size= samples_size;
1603 /* XXX: could avoid copy if PCM 16 bits with same
1604 endianness as CPU */
1605 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1612 got_output = decoded_data_size > 0;
1613 /* Some bug in mpeg audio decoder gives */
1614 /* decoded_data_size < 0, it seems they are overflows */
1616 /* no audio frame */
1619 decoded_data_buf = (uint8_t *)samples;
1620 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1621 (ist->st->codec->sample_rate * ist->st->codec->channels);
1623 case AVMEDIA_TYPE_VIDEO:
1624 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1625 /* XXX: allocate picture correctly */
1626 avcodec_get_frame_defaults(&picture);
1627 avpkt.pts = pkt_pts;
1628 avpkt.dts = ist->pts;
1629 pkt_pts = AV_NOPTS_VALUE;
1631 ret = avcodec_decode_video2(ist->st->codec,
1632 &picture, &got_output, &avpkt);
1633 quality = same_quant ? picture.quality : 0;
1637 /* no picture yet */
1638 goto discard_packet;
1640 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1641 if (ist->st->codec->time_base.num != 0) {
1642 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1643 ist->next_pts += ((int64_t)AV_TIME_BASE *
1644 ist->st->codec->time_base.num * ticks) /
1645 ist->st->codec->time_base.den;
1648 buffer_to_free = NULL;
1649 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1651 case AVMEDIA_TYPE_SUBTITLE:
1652 ret = avcodec_decode_subtitle2(ist->st->codec,
1653 &subtitle, &got_output, &avpkt);
1657 goto discard_packet;
1659 subtitle_to_free = &subtitle;
1666 switch(ist->st->codec->codec_type) {
1667 case AVMEDIA_TYPE_AUDIO:
1668 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1669 ist->st->codec->sample_rate;
1671 case AVMEDIA_TYPE_VIDEO:
1672 if (ist->st->codec->time_base.num != 0) {
1673 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1674 ist->next_pts += ((int64_t)AV_TIME_BASE *
1675 ist->st->codec->time_base.num * ticks) /
1676 ist->st->codec->time_base.den;
1684 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1685 if (start_time == 0 || ist->pts >= start_time) {
1686 for(i=0;i<nb_ostreams;i++) {
1687 ost = &ost_table[i];
1688 if (ost->input_video_filter && ost->source_index == ist_index) {
1689 if (!picture.sample_aspect_ratio.num)
1690 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1691 picture.pts = ist->pts;
1693 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1699 // preprocess audio (volume)
1700 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1701 if (audio_volume != 256) {
1704 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1705 int v = ((*volp) * audio_volume + 128) >> 8;
1706 *volp++ = av_clip_int16(v);
1711 /* frame rate emulation */
1713 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1714 int64_t now = av_gettime() - ist->start;
1718 /* if output time reached then transcode raw format,
1719 encode packets and output them */
1720 for (i = 0; i < nb_ostreams; i++) {
1721 OutputFile *of = &output_files[ost_table[i].file_index];
1724 ost = &ost_table[i];
1725 if (ost->source_index != ist_index)
1728 if (of->start_time && ist->pts < of->start_time)
1731 if (of->recording_time != INT64_MAX &&
1732 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1733 (AVRational){1, 1000000}) >= 0) {
1734 ost->is_past_recording_time = 1;
1739 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1740 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1741 while (frame_available) {
1742 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1743 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1744 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1747 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1748 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1752 os = output_files[ost->file_index].ctx;
1754 /* set the input output pts pairs */
1755 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1757 if (ost->encoding_needed) {
1758 av_assert0(ist->decoding_needed);
1759 switch(ost->st->codec->codec_type) {
1760 case AVMEDIA_TYPE_AUDIO:
1761 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1763 case AVMEDIA_TYPE_VIDEO:
1765 if (ost->picref->video && !ost->frame_aspect_ratio)
1766 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1768 do_video_out(os, ost, ist, &picture, &frame_size,
1769 same_quant ? quality : ost->st->codec->global_quality);
1770 if (vstats_filename && frame_size)
1771 do_video_stats(os, ost, frame_size);
1773 case AVMEDIA_TYPE_SUBTITLE:
1774 do_subtitle_out(os, ost, ist, &subtitle,
1781 AVFrame avframe; //FIXME/XXX remove this
1784 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1785 av_init_packet(&opkt);
1787 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1788 #if !CONFIG_AVFILTER
1794 /* no reencoding needed : output the packet directly */
1795 /* force the input stream PTS */
1797 avcodec_get_frame_defaults(&avframe);
1798 ost->st->codec->coded_frame= &avframe;
1799 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1801 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1802 audio_size += data_size;
1803 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1804 video_size += data_size;
1808 opkt.stream_index= ost->index;
1809 if(pkt->pts != AV_NOPTS_VALUE)
1810 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1812 opkt.pts= AV_NOPTS_VALUE;
1814 if (pkt->dts == AV_NOPTS_VALUE)
1815 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1817 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1818 opkt.dts -= ost_tb_start_time;
1820 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1821 opkt.flags= pkt->flags;
1823 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1824 if( ost->st->codec->codec_id != CODEC_ID_H264
1825 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1826 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1828 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1829 opkt.destruct= av_destruct_packet;
1831 opkt.data = data_buf;
1832 opkt.size = data_size;
1835 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1836 /* store AVPicture in AVPacket, as expected by the output format */
1837 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1838 opkt.data = (uint8_t *)&pict;
1839 opkt.size = sizeof(AVPicture);
1840 opkt.flags |= AV_PKT_FLAG_KEY;
1842 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1843 ost->st->codec->frame_number++;
1844 ost->frame_number++;
1845 av_free_packet(&opkt);
1849 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1850 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1851 avfilter_unref_buffer(ost->picref);
1856 av_free(buffer_to_free);
1857 /* XXX: allocate the subtitles in the codec ? */
1858 if (subtitle_to_free) {
1859 avsubtitle_free(subtitle_to_free);
1860 subtitle_to_free = NULL;
1868 static void print_sdp(OutputFile *output_files, int n)
1872 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1876 for (i = 0; i < n; i++)
1877 avc[i] = output_files[i].ctx;
1879 av_sdp_create(avc, n, sdp, sizeof(sdp));
1880 printf("SDP:\n%s\n", sdp);
1885 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1886 char *error, int error_len)
1888 InputStream *ist = &input_streams[ist_index];
1889 if (ist->decoding_needed) {
1890 AVCodec *codec = ist->dec;
1892 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
1893 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1894 return AVERROR(EINVAL);
1896 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1897 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1898 ist->file_index, ist->st->index);
1899 return AVERROR(EINVAL);
1901 assert_codec_experimental(ist->st->codec, 0);
1902 assert_avoptions(ist->opts);
1905 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;
1906 ist->next_pts = AV_NOPTS_VALUE;
1912 static int transcode_init(OutputFile *output_files,
1913 int nb_output_files,
1914 InputFile *input_files,
1918 AVFormatContext *os;
1919 AVCodecContext *codec, *icodec;
1926 for (i = 0; i < nb_input_streams; i++)
1927 input_streams[i].start = av_gettime();
1929 /* output stream init */
1930 for(i=0;i<nb_output_files;i++) {
1931 os = output_files[i].ctx;
1932 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1933 av_dump_format(os, i, os->filename, 1);
1934 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1935 return AVERROR(EINVAL);
1939 /* for each output stream, we compute the right encoding parameters */
1940 for (i = 0; i < nb_output_streams; i++) {
1941 ost = &output_streams[i];
1942 os = output_files[ost->file_index].ctx;
1943 ist = &input_streams[ost->source_index];
1945 codec = ost->st->codec;
1946 icodec = ist->st->codec;
1948 ost->st->disposition = ist->st->disposition;
1949 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1950 codec->chroma_sample_location = icodec->chroma_sample_location;
1952 if (ost->st->stream_copy) {
1953 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1955 if (extra_size > INT_MAX) {
1956 return AVERROR(EINVAL);
1959 /* if stream_copy is selected, no need to decode or encode */
1960 codec->codec_id = icodec->codec_id;
1961 codec->codec_type = icodec->codec_type;
1963 if(!codec->codec_tag){
1964 if( !os->oformat->codec_tag
1965 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1966 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1967 codec->codec_tag = icodec->codec_tag;
1970 codec->bit_rate = icodec->bit_rate;
1971 codec->rc_max_rate = icodec->rc_max_rate;
1972 codec->rc_buffer_size = icodec->rc_buffer_size;
1973 codec->extradata= av_mallocz(extra_size);
1974 if (!codec->extradata) {
1975 return AVERROR(ENOMEM);
1977 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1978 codec->extradata_size= icodec->extradata_size;
1980 codec->time_base = ist->st->time_base;
1981 if(!strcmp(os->oformat->name, "avi")) {
1982 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){
1983 codec->time_base = icodec->time_base;
1984 codec->time_base.num *= icodec->ticks_per_frame;
1985 codec->time_base.den *= 2;
1987 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1988 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){
1989 codec->time_base = icodec->time_base;
1990 codec->time_base.num *= icodec->ticks_per_frame;
1993 av_reduce(&codec->time_base.num, &codec->time_base.den,
1994 codec->time_base.num, codec->time_base.den, INT_MAX);
1996 switch(codec->codec_type) {
1997 case AVMEDIA_TYPE_AUDIO:
1998 if(audio_volume != 256) {
1999 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2002 codec->channel_layout = icodec->channel_layout;
2003 codec->sample_rate = icodec->sample_rate;
2004 codec->channels = icodec->channels;
2005 codec->frame_size = icodec->frame_size;
2006 codec->audio_service_type = icodec->audio_service_type;
2007 codec->block_align= icodec->block_align;
2008 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2009 codec->block_align= 0;
2010 if(codec->codec_id == CODEC_ID_AC3)
2011 codec->block_align= 0;
2013 case AVMEDIA_TYPE_VIDEO:
2014 codec->pix_fmt = icodec->pix_fmt;
2015 codec->width = icodec->width;
2016 codec->height = icodec->height;
2017 codec->has_b_frames = icodec->has_b_frames;
2018 if (!codec->sample_aspect_ratio.num) {
2019 codec->sample_aspect_ratio =
2020 ost->st->sample_aspect_ratio =
2021 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2022 ist->st->codec->sample_aspect_ratio.num ?
2023 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2026 case AVMEDIA_TYPE_SUBTITLE:
2027 codec->width = icodec->width;
2028 codec->height = icodec->height;
2030 case AVMEDIA_TYPE_DATA:
2037 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2038 switch(codec->codec_type) {
2039 case AVMEDIA_TYPE_AUDIO:
2040 ost->fifo= av_fifo_alloc(1024);
2042 return AVERROR(ENOMEM);
2044 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2045 if (!codec->sample_rate) {
2046 codec->sample_rate = icodec->sample_rate;
2048 choose_sample_rate(ost->st, ost->enc);
2049 codec->time_base = (AVRational){1, codec->sample_rate};
2050 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2051 codec->sample_fmt = icodec->sample_fmt;
2052 choose_sample_fmt(ost->st, ost->enc);
2053 if (!codec->channels) {
2054 codec->channels = icodec->channels;
2055 codec->channel_layout = icodec->channel_layout;
2057 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2058 codec->channel_layout = 0;
2059 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2060 icodec->request_channels = codec->channels;
2061 ist->decoding_needed = 1;
2062 ost->encoding_needed = 1;
2063 ost->resample_sample_fmt = icodec->sample_fmt;
2064 ost->resample_sample_rate = icodec->sample_rate;
2065 ost->resample_channels = icodec->channels;
2067 case AVMEDIA_TYPE_VIDEO:
2068 if (codec->pix_fmt == PIX_FMT_NONE)
2069 codec->pix_fmt = icodec->pix_fmt;
2070 choose_pixel_fmt(ost->st, ost->enc);
2072 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2073 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2077 if (!codec->width || !codec->height) {
2078 codec->width = icodec->width;
2079 codec->height = icodec->height;
2082 ost->video_resample = codec->width != icodec->width ||
2083 codec->height != icodec->height ||
2084 codec->pix_fmt != icodec->pix_fmt;
2085 if (ost->video_resample) {
2086 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2089 ost->resample_height = icodec->height;
2090 ost->resample_width = icodec->width;
2091 ost->resample_pix_fmt= icodec->pix_fmt;
2092 ost->encoding_needed = 1;
2093 ist->decoding_needed = 1;
2095 if (!ost->frame_rate.num)
2096 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2097 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2098 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2099 ost->frame_rate = ost->enc->supported_framerates[idx];
2101 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2102 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2103 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2104 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2105 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2109 if (configure_video_filters(ist, ost)) {
2110 fprintf(stderr, "Error opening filters!\n");
2115 case AVMEDIA_TYPE_SUBTITLE:
2116 ost->encoding_needed = 1;
2117 ist->decoding_needed = 1;
2124 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2125 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2126 char logfilename[1024];
2129 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2130 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2132 if (codec->flags & CODEC_FLAG_PASS1) {
2133 f = fopen(logfilename, "wb");
2135 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2141 size_t logbuffer_size;
2142 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2143 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2146 codec->stats_in = logbuffer;
2150 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2151 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2152 int size= codec->width * codec->height;
2153 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2158 bit_buffer = av_malloc(bit_buffer_size);
2160 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2162 return AVERROR(ENOMEM);
2165 /* open each encoder */
2166 for (i = 0; i < nb_output_streams; i++) {
2167 ost = &output_streams[i];
2168 if (ost->encoding_needed) {
2169 AVCodec *codec = ost->enc;
2170 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2172 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2173 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2174 ret = AVERROR(EINVAL);
2177 if (dec->subtitle_header) {
2178 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2179 if (!ost->st->codec->subtitle_header) {
2180 ret = AVERROR(ENOMEM);
2183 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2184 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2186 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2187 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2188 ost->file_index, ost->index);
2189 ret = AVERROR(EINVAL);
2192 assert_codec_experimental(ost->st->codec, 1);
2193 assert_avoptions(ost->opts);
2194 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2195 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2196 "It takes bits/s as argument, not kbits/s\n");
2197 extra_size += ost->st->codec->extradata_size;
2201 /* init input streams */
2202 for (i = 0; i < nb_input_streams; i++)
2203 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2206 /* open files and write file headers */
2207 for (i = 0; i < nb_output_files; i++) {
2208 os = output_files[i].ctx;
2209 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2210 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2211 ret = AVERROR(EINVAL);
2214 // assert_avoptions(output_files[i].opts);
2215 if (strcmp(os->oformat->name, "rtp")) {
2221 /* dump the file output parameters - cannot be done before in case
2223 for(i=0;i<nb_output_files;i++) {
2224 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2227 /* dump the stream mapping */
2229 fprintf(stderr, "Stream mapping:\n");
2230 for (i = 0; i < nb_output_streams;i ++) {
2231 ost = &output_streams[i];
2232 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2233 input_streams[ost->source_index].file_index,
2234 input_streams[ost->source_index].st->index,
2237 if (ost->sync_ist != &input_streams[ost->source_index])
2238 fprintf(stderr, " [sync #%d.%d]",
2239 ost->sync_ist->file_index,
2240 ost->sync_ist->st->index);
2241 if (ost->st->stream_copy)
2242 fprintf(stderr, " (copy)");
2244 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2245 input_streams[ost->source_index].dec->name : "?",
2246 ost->enc ? ost->enc->name : "?");
2247 fprintf(stderr, "\n");
2252 fprintf(stderr, "%s\n", error);
2257 print_sdp(output_files, nb_output_files);
2264 * The following code is the main loop of the file converter
2266 static int transcode(OutputFile *output_files,
2267 int nb_output_files,
2268 InputFile *input_files,
2272 AVFormatContext *is, *os;
2276 int no_packet_count=0;
2277 int64_t timer_start;
2280 if (!(no_packet = av_mallocz(nb_input_files)))
2283 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2289 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2290 avio_set_interrupt_cb(decode_interrupt_cb);
2294 timer_start = av_gettime();
2296 for(; received_sigterm == 0;) {
2297 int file_index, ist_index;
2302 ipts_min= INT64_MAX;
2304 /* if 'q' pressed, exits */
2308 /* read_key() returns 0 on EOF */
2312 if (key == '+') verbose++;
2313 if (key == '-') verbose--;
2314 if (key == 's') qp_hist ^= 1;
2317 do_hex_dump = do_pkt_dump = 0;
2318 } else if(do_pkt_dump){
2322 av_log_set_level(AV_LOG_DEBUG);
2325 if (key == 'c' || key == 'C'){
2326 char ret[4096], target[64], cmd[256], arg[256]={0};
2329 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2331 while((k=read_key()) !='\n' && k!='\r' && i<sizeof(ret)-1)
2332 if(k>0) ret[i++]= k;
2334 if(k>0 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2335 for(i=0;i<nb_output_streams;i++) {
2337 ost = &output_streams[i];
2340 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2341 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2343 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2348 fprintf(stderr, "Parse error\n");
2352 if (key == 'd' || key == 'D'){
2355 debug = input_streams[0].st->codec->debug<<1;
2356 if(!debug) debug = 1;
2357 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2360 scanf("%d", &debug);
2361 for(i=0;i<nb_input_streams;i++) {
2362 input_streams[i].st->codec->debug = debug;
2364 for(i=0;i<nb_output_streams;i++) {
2365 ost = &output_streams[i];
2366 ost->st->codec->debug = debug;
2368 if(debug) av_log_set_level(AV_LOG_DEBUG);
2369 fprintf(stderr,"debug=%d\n", debug);
2372 fprintf(stderr, "key function\n"
2373 "? show this help\n"
2374 "+ increase verbosity\n"
2375 "- decrease verbosity\n"
2376 "c Send command to filtergraph\n"
2377 "D cycle through available debug modes\n"
2378 "h dump packets/hex press to cycle through the 3 states\n"
2380 "s Show QP histogram\n"
2385 /* select the stream that we must read now by looking at the
2386 smallest output pts */
2388 for (i = 0; i < nb_output_streams; i++) {
2392 ost = &output_streams[i];
2393 of = &output_files[ost->file_index];
2394 os = output_files[ost->file_index].ctx;
2395 ist = &input_streams[ost->source_index];
2396 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2397 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2399 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2401 if (!input_files[ist->file_index].eof_reached){
2402 if(ipts < ipts_min) {
2404 if(input_sync ) file_index = ist->file_index;
2406 if(opts < opts_min) {
2408 if(!input_sync) file_index = ist->file_index;
2411 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2416 /* if none, if is finished */
2417 if (file_index < 0) {
2418 if(no_packet_count){
2420 memset(no_packet, 0, nb_input_files);
2427 /* read a frame from it and output it in the fifo */
2428 is = input_files[file_index].ctx;
2429 ret= av_read_frame(is, &pkt);
2430 if(ret == AVERROR(EAGAIN)){
2431 no_packet[file_index]=1;
2436 input_files[file_index].eof_reached = 1;
2444 memset(no_packet, 0, nb_input_files);
2447 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2448 is->streams[pkt.stream_index]);
2450 /* the following test is needed in case new streams appear
2451 dynamically in stream : we ignore them */
2452 if (pkt.stream_index >= input_files[file_index].nb_streams)
2453 goto discard_packet;
2454 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2455 ist = &input_streams[ist_index];
2457 goto discard_packet;
2459 if (pkt.dts != AV_NOPTS_VALUE)
2460 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2461 if (pkt.pts != AV_NOPTS_VALUE)
2462 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2464 if (ist->ts_scale) {
2465 if(pkt.pts != AV_NOPTS_VALUE)
2466 pkt.pts *= ist->ts_scale;
2467 if(pkt.dts != AV_NOPTS_VALUE)
2468 pkt.dts *= ist->ts_scale;
2471 // 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);
2472 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2473 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2474 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2475 int64_t delta= pkt_dts - ist->next_pts;
2476 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2477 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2478 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2479 pkt_dts+1<ist->pts)&& !copy_ts){
2480 input_files[ist->file_index].ts_offset -= delta;
2482 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2483 delta, input_files[ist->file_index].ts_offset);
2484 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2485 if(pkt.pts != AV_NOPTS_VALUE)
2486 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2490 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2491 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2494 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2495 ist->file_index, ist->st->index);
2498 av_free_packet(&pkt);
2503 av_free_packet(&pkt);
2505 /* dump report by using the output first video and audio streams */
2506 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2509 /* at the end of stream, we must flush the decoder buffers */
2510 for (i = 0; i < nb_input_streams; i++) {
2511 ist = &input_streams[i];
2512 if (ist->decoding_needed) {
2513 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2516 flush_encoders(output_streams, nb_output_streams);
2520 /* write the trailer if needed and close file */
2521 for(i=0;i<nb_output_files;i++) {
2522 os = output_files[i].ctx;
2523 av_write_trailer(os);
2526 /* dump report by using the first video and audio streams */
2527 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2529 /* close each encoder */
2530 for (i = 0; i < nb_output_streams; i++) {
2531 ost = &output_streams[i];
2532 if (ost->encoding_needed) {
2533 av_freep(&ost->st->codec->stats_in);
2534 avcodec_close(ost->st->codec);
2537 avfilter_graph_free(&ost->graph);
2541 /* close each decoder */
2542 for (i = 0; i < nb_input_streams; i++) {
2543 ist = &input_streams[i];
2544 if (ist->decoding_needed) {
2545 avcodec_close(ist->st->codec);
2553 av_freep(&bit_buffer);
2554 av_freep(&no_packet);
2556 if (output_streams) {
2557 for (i = 0; i < nb_output_streams; i++) {
2558 ost = &output_streams[i];
2560 if (ost->st->stream_copy)
2561 av_freep(&ost->st->codec->extradata);
2563 fclose(ost->logfile);
2564 ost->logfile = NULL;
2566 av_fifo_free(ost->fifo); /* works even if fifo is not
2567 initialized but set to zero */
2568 av_freep(&ost->st->codec->subtitle_header);
2569 av_free(ost->resample_frame.data[0]);
2570 av_free(ost->forced_kf_pts);
2571 if (ost->video_resample)
2572 sws_freeContext(ost->img_resample_ctx);
2574 audio_resample_close(ost->resample);
2575 if (ost->reformat_ctx)
2576 av_audio_convert_free(ost->reformat_ctx);
2577 av_dict_free(&ost->opts);
2584 static int opt_format(const char *opt, const char *arg)
2586 last_asked_format = arg;
2590 static int opt_video_rc_override_string(const char *opt, const char *arg)
2592 video_rc_override_string = arg;
2596 static int opt_me_threshold(const char *opt, const char *arg)
2598 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2602 static int opt_verbose(const char *opt, const char *arg)
2604 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2608 static int opt_frame_rate(const char *opt, const char *arg)
2610 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2611 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2617 static int opt_frame_crop(const char *opt, const char *arg)
2619 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2620 return AVERROR(EINVAL);
2623 static int opt_frame_size(const char *opt, const char *arg)
2625 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2626 fprintf(stderr, "Incorrect frame size\n");
2627 return AVERROR(EINVAL);
2632 static int opt_pad(const char *opt, const char *arg) {
2633 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2637 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2639 if (strcmp(arg, "list")) {
2640 frame_pix_fmt = av_get_pix_fmt(arg);
2641 if (frame_pix_fmt == PIX_FMT_NONE) {
2642 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2643 return AVERROR(EINVAL);
2646 opt_pix_fmts(NULL, NULL);
2652 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2659 p = strchr(arg, ':');
2661 x = strtol(arg, &end, 10);
2663 y = strtol(end+1, &end, 10);
2665 ar = (double)x / (double)y;
2667 ar = strtod(arg, NULL);
2670 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2671 return AVERROR(EINVAL);
2673 frame_aspect_ratio = ar;
2677 static int opt_metadata(const char *opt, const char *arg)
2679 char *mid= strchr(arg, '=');
2682 fprintf(stderr, "Missing =\n");
2687 av_dict_set(&metadata, arg, mid, 0);
2692 static int opt_qscale(const char *opt, const char *arg)
2694 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2695 if (video_qscale <= 0 || video_qscale > 255) {
2696 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2697 return AVERROR(EINVAL);
2702 static int opt_top_field_first(const char *opt, const char *arg)
2704 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2705 return opt_default(opt, arg);
2708 static int opt_thread_count(const char *opt, const char *arg)
2710 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2713 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2718 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2720 if (strcmp(arg, "list")) {
2721 audio_sample_fmt = av_get_sample_fmt(arg);
2722 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2723 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2724 return AVERROR(EINVAL);
2729 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2730 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2736 static int opt_audio_rate(const char *opt, const char *arg)
2738 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2742 static int opt_audio_channels(const char *opt, const char *arg)
2744 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2748 static int opt_video_channel(const char *opt, const char *arg)
2750 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2751 return opt_default("channel", arg);
2754 static int opt_video_standard(const char *opt, const char *arg)
2756 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2757 return opt_default("standard", arg);
2760 static int opt_codec(const char *opt, const char *arg)
2762 return av_dict_set(&codec_names, opt, arg, 0);
2765 static int opt_audio_codec(const char *opt, const char *arg)
2767 return opt_codec("codec:a", arg);
2770 static int opt_video_codec(const char *opt, const char *arg)
2772 return opt_codec("codec:v", arg);
2775 static int opt_subtitle_codec(const char *opt, const char *arg)
2777 return opt_codec("codec:s", arg);
2780 static int opt_data_codec(const char *opt, const char *arg)
2782 return opt_codec("codec:d", arg);
2785 static int opt_codec_tag(const char *opt, const char *arg)
2788 uint32_t *codec_tag;
2790 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2791 !strcmp(opt, "vtag") ? &video_codec_tag :
2792 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2796 *codec_tag = strtol(arg, &tail, 0);
2798 *codec_tag = AV_RL32(arg);
2803 static int opt_map(const char *opt, const char *arg)
2805 StreamMap *m = NULL;
2806 int i, negative = 0, file_idx;
2807 int sync_file_idx = -1, sync_stream_idx;
2815 map = av_strdup(arg);
2817 /* parse sync stream first, just pick first matching stream */
2818 if (sync = strchr(map, ',')) {
2820 sync_file_idx = strtol(sync + 1, &sync, 0);
2821 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2822 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2827 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2828 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2829 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2830 sync_stream_idx = i;
2833 if (i == input_files[sync_file_idx].nb_streams) {
2834 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2835 "match any streams.\n", arg);
2841 file_idx = strtol(map, &p, 0);
2842 if (file_idx >= nb_input_files || file_idx < 0) {
2843 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2847 /* disable some already defined maps */
2848 for (i = 0; i < nb_stream_maps; i++) {
2849 m = &stream_maps[i];
2850 if (check_stream_specifier(input_files[m->file_index].ctx,
2851 input_files[m->file_index].ctx->streams[m->stream_index],
2852 *p == ':' ? p + 1 : p) > 0)
2856 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2857 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2858 *p == ':' ? p + 1 : p) <= 0)
2860 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2861 m = &stream_maps[nb_stream_maps - 1];
2863 m->file_index = file_idx;
2864 m->stream_index = i;
2866 if (sync_file_idx >= 0) {
2867 m->sync_file_index = sync_file_idx;
2868 m->sync_stream_index = sync_stream_idx;
2870 m->sync_file_index = file_idx;
2871 m->sync_stream_index = i;
2876 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2884 static void parse_meta_type(char *arg, char *type, int *index)
2894 if (*(++arg) == ':')
2895 *index = strtol(++arg, NULL, 0);
2898 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2905 static int opt_map_metadata(const char *opt, const char *arg)
2907 MetadataMap *m, *m1;
2910 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2911 &nb_meta_data_maps, nb_meta_data_maps + 1);
2913 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2914 m->file = strtol(arg, &p, 0);
2915 parse_meta_type(p, &m->type, &m->index);
2917 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2918 if (p = strchr(opt, ':'))
2919 parse_meta_type(p, &m1->type, &m1->index);
2923 if (m->type == 'g' || m1->type == 'g')
2924 metadata_global_autocopy = 0;
2925 if (m->type == 's' || m1->type == 's')
2926 metadata_streams_autocopy = 0;
2927 if (m->type == 'c' || m1->type == 'c')
2928 metadata_chapters_autocopy = 0;
2933 static int opt_map_meta_data(const char *opt, const char *arg)
2935 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2936 "Use -map_metadata instead.\n");
2937 return opt_map_metadata(opt, arg);
2940 static int opt_input_ts_scale(const char *opt, const char *arg)
2942 return av_dict_set(&ts_scale, opt, arg, 0);
2945 static int opt_recording_time(const char *opt, const char *arg)
2947 recording_time = parse_time_or_die(opt, arg, 1);
2951 static int opt_start_time(const char *opt, const char *arg)
2953 start_time = parse_time_or_die(opt, arg, 1);
2957 static int opt_recording_timestamp(const char *opt, const char *arg)
2960 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2961 struct tm time = *gmtime((time_t*)&recording_timestamp);
2962 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2963 opt_metadata("metadata", buf);
2965 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2966 "tag instead.\n", opt);
2970 static int opt_input_ts_offset(const char *opt, const char *arg)
2972 input_ts_offset = parse_time_or_die(opt, arg, 1);
2976 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2978 const char *codec_string = encoder ? "encoder" : "decoder";
2982 return CODEC_ID_NONE;
2984 avcodec_find_encoder_by_name(name) :
2985 avcodec_find_decoder_by_name(name);
2987 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2990 if(codec->type != type) {
2991 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2997 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2999 AVDictionaryEntry *e = NULL;
3000 char *codec_name = NULL;
3003 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
3004 char *p = strchr(e->key, ':');
3006 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3007 codec_name = e->value;
3014 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3015 return avcodec_find_encoder(st->codec->codec_id);
3017 } else if (!strcmp(codec_name, "copy"))
3018 st->stream_copy = 1;
3020 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3021 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3022 avcodec_find_decoder_by_name(codec_name);
3029 * Add all the streams from the given input file to the global
3030 * list of input streams.
3032 static void add_input_streams(AVFormatContext *ic)
3034 int i, rfps, rfps_base, ret;
3036 for (i = 0; i < ic->nb_streams; i++) {
3037 AVStream *st = ic->streams[i];
3038 AVCodecContext *dec = st->codec;
3039 AVDictionaryEntry *e = NULL;
3043 dec->thread_count = thread_count;
3045 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3046 ist = &input_streams[nb_input_streams - 1];
3048 ist->file_index = nb_input_files;
3050 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3052 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3053 char *p = strchr(e->key, ':');
3055 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3061 ist->ts_scale = strtod(scale, NULL);
3063 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3065 ist->dec = avcodec_find_decoder(dec->codec_id);
3067 switch (dec->codec_type) {
3068 case AVMEDIA_TYPE_AUDIO:
3070 ist->dec = avcodec_find_decoder(dec->codec_id);
3072 st->discard= AVDISCARD_ALL;
3074 case AVMEDIA_TYPE_VIDEO:
3076 ist->dec = avcodec_find_decoder(dec->codec_id);
3077 rfps = ic->streams[i]->r_frame_rate.num;
3078 rfps_base = ic->streams[i]->r_frame_rate.den;
3080 dec->flags |= CODEC_FLAG_EMU_EDGE;
3083 dec->debug |= FF_DEBUG_MV;
3085 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3088 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3089 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3091 (float)rfps / rfps_base, rfps, rfps_base);
3095 st->discard= AVDISCARD_ALL;
3096 else if(video_discard)
3097 st->discard= video_discard;
3099 case AVMEDIA_TYPE_DATA:
3101 case AVMEDIA_TYPE_SUBTITLE:
3103 ist->dec = avcodec_find_decoder(dec->codec_id);
3104 if(subtitle_disable)
3105 st->discard = AVDISCARD_ALL;
3107 case AVMEDIA_TYPE_ATTACHMENT:
3108 case AVMEDIA_TYPE_UNKNOWN:
3116 static int opt_input_file(const char *opt, const char *filename)
3118 AVFormatContext *ic;
3119 AVInputFormat *file_iformat = NULL;
3123 AVDictionary **opts;
3124 int orig_nb_streams; // number of streams before avformat_find_stream_info
3126 if (last_asked_format) {
3127 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3128 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3131 last_asked_format = NULL;
3134 if (!strcmp(filename, "-"))
3137 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3138 !strcmp(filename, "/dev/stdin");
3140 /* get default parameters from command line */
3141 ic = avformat_alloc_context();
3143 print_error(filename, AVERROR(ENOMEM));
3146 if (audio_sample_rate) {
3147 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3148 av_dict_set(&format_opts, "sample_rate", buf, 0);
3150 if (audio_channels) {
3151 snprintf(buf, sizeof(buf), "%d", audio_channels);
3152 av_dict_set(&format_opts, "channels", buf, 0);
3154 if (frame_rate.num) {
3155 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3156 av_dict_set(&format_opts, "framerate", buf, 0);
3158 if (frame_width && frame_height) {
3159 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3160 av_dict_set(&format_opts, "video_size", buf, 0);
3162 if (frame_pix_fmt != PIX_FMT_NONE)
3163 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3165 ic->flags |= AVFMT_FLAG_NONBLOCK;
3168 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3169 ic->loop_input = loop_input;
3172 /* open the input file with generic libav function */
3173 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3175 print_error(filename, err);
3178 assert_avoptions(format_opts);
3183 for(i=0; i<ic->nb_streams; i++){
3184 ic->streams[i]->discard= AVDISCARD_ALL;
3186 for(i=0; i<ic->nb_programs; i++){
3187 AVProgram *p= ic->programs[i];
3188 if(p->id != opt_programid){
3189 p->discard = AVDISCARD_ALL;
3192 for(j=0; j<p->nb_stream_indexes; j++){
3193 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3198 fprintf(stderr, "Specified program id not found\n");
3204 /* apply forced codec ids */
3205 for (i = 0; i < ic->nb_streams; i++)
3206 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3208 /* Set AVCodecContext options for avformat_find_stream_info */
3209 opts = setup_find_stream_info_opts(ic, codec_opts);
3210 orig_nb_streams = ic->nb_streams;
3212 /* If not enough info to get the stream parameters, we decode the
3213 first frames to get it. (used in mpeg case for example) */
3214 ret = avformat_find_stream_info(ic, opts);
3215 if (ret < 0 && verbose >= 0) {
3216 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3217 av_close_input_file(ic);
3221 timestamp = start_time;
3222 /* add the stream start time */
3223 if (ic->start_time != AV_NOPTS_VALUE)
3224 timestamp += ic->start_time;
3226 /* if seeking requested, we execute it */
3227 if (start_time != 0) {
3228 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3230 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3231 filename, (double)timestamp / AV_TIME_BASE);
3233 /* reset seek info */
3237 /* update the current parameters so that they match the one of the input stream */
3238 add_input_streams(ic);
3240 /* dump the file content */
3242 av_dump_format(ic, nb_input_files, filename, 0);
3244 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3245 input_files[nb_input_files - 1].ctx = ic;
3246 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3247 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3248 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3250 top_field_first = -1;
3251 frame_rate = (AVRational){0, 0};
3252 frame_pix_fmt = PIX_FMT_NONE;
3255 audio_sample_rate = 0;
3257 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3258 av_dict_free(&ts_scale);
3259 input_ts_offset = 0;
3261 for (i = 0; i < orig_nb_streams; i++)
3262 av_dict_free(&opts[i]);
3264 av_dict_free(&codec_names);
3270 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3271 AVCodecContext *avctx)
3277 for (p = kf; *p; p++)
3280 ost->forced_kf_count = n;
3281 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3282 if (!ost->forced_kf_pts) {
3283 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3286 for (i = 0; i < n; i++) {
3287 p = i ? strchr(p, ',') + 1 : kf;
3288 t = parse_time_or_die("force_key_frames", p, 1);
3289 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3293 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3296 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3297 int idx = oc->nb_streams - 1;
3300 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3304 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3305 nb_output_streams + 1);
3306 ost = &output_streams[nb_output_streams - 1];
3307 ost->file_index = nb_output_files;
3310 st->codec->codec_type = type;
3311 ost->enc = choose_codec(oc, st, type, codec_names);
3313 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3316 avcodec_get_context_defaults3(st->codec, ost->enc);
3317 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3319 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3323 static OutputStream *new_video_stream(AVFormatContext *oc)
3327 AVCodecContext *video_enc;
3329 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3331 if (!st->stream_copy) {
3332 ost->frame_aspect_ratio = frame_aspect_ratio;
3333 frame_aspect_ratio = 0;
3335 ost->avfilter = vfilters;
3340 ost->bitstream_filters = video_bitstream_filters;
3341 video_bitstream_filters= NULL;
3343 st->codec->thread_count= thread_count;
3345 video_enc = st->codec;
3348 video_enc->codec_tag= video_codec_tag;
3350 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3351 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3354 if (st->stream_copy) {
3355 video_enc->sample_aspect_ratio =
3356 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3362 ost->frame_rate = frame_rate;
3364 video_enc->width = frame_width;
3365 video_enc->height = frame_height;
3366 video_enc->pix_fmt = frame_pix_fmt;
3367 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3368 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3371 video_enc->gop_size = 0;
3372 if (video_qscale || same_quant) {
3373 video_enc->flags |= CODEC_FLAG_QSCALE;
3374 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3378 video_enc->intra_matrix = intra_matrix;
3380 video_enc->inter_matrix = inter_matrix;
3382 p= video_rc_override_string;
3385 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3387 fprintf(stderr, "error parsing rc_override\n");
3390 video_enc->rc_override=
3391 av_realloc(video_enc->rc_override,
3392 sizeof(RcOverride)*(i+1));
3393 video_enc->rc_override[i].start_frame= start;
3394 video_enc->rc_override[i].end_frame = end;
3396 video_enc->rc_override[i].qscale= q;
3397 video_enc->rc_override[i].quality_factor= 1.0;
3400 video_enc->rc_override[i].qscale= 0;
3401 video_enc->rc_override[i].quality_factor= -q/100.0;
3406 video_enc->rc_override_count=i;
3407 if (!video_enc->rc_initial_buffer_occupancy)
3408 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3409 video_enc->me_threshold= me_threshold;
3410 video_enc->intra_dc_precision= intra_dc_precision - 8;
3413 video_enc->flags|= CODEC_FLAG_PSNR;
3418 video_enc->flags |= CODEC_FLAG_PASS1;
3420 video_enc->flags |= CODEC_FLAG_PASS2;
3424 if (forced_key_frames)
3425 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3427 if (video_language) {
3428 av_dict_set(&st->metadata, "language", video_language, 0);
3429 av_freep(&video_language);
3432 /* reset some key parameters */
3434 av_freep(&forced_key_frames);
3435 frame_pix_fmt = PIX_FMT_NONE;
3439 static OutputStream *new_audio_stream(AVFormatContext *oc)
3443 AVCodecContext *audio_enc;
3445 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3448 ost->bitstream_filters = audio_bitstream_filters;
3449 audio_bitstream_filters= NULL;
3451 st->codec->thread_count= thread_count;
3453 audio_enc = st->codec;
3454 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3457 audio_enc->codec_tag= audio_codec_tag;
3459 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3460 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3462 if (!st->stream_copy) {
3463 if (audio_qscale > QSCALE_NONE) {
3464 audio_enc->flags |= CODEC_FLAG_QSCALE;
3465 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3468 audio_enc->channels = audio_channels;
3469 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3470 audio_enc->sample_fmt = audio_sample_fmt;
3471 if (audio_sample_rate)
3472 audio_enc->sample_rate = audio_sample_rate;
3474 if (audio_language) {
3475 av_dict_set(&st->metadata, "language", audio_language, 0);
3476 av_freep(&audio_language);
3479 /* reset some key parameters */
3485 static OutputStream *new_data_stream(AVFormatContext *oc)
3489 AVCodecContext *data_enc;
3491 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3493 data_enc = st->codec;
3494 if (!st->stream_copy) {
3495 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3500 data_enc->codec_tag= data_codec_tag;
3502 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3503 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3510 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3514 AVCodecContext *subtitle_enc;
3516 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3518 subtitle_enc = st->codec;
3520 ost->bitstream_filters = subtitle_bitstream_filters;
3521 subtitle_bitstream_filters= NULL;
3523 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3525 if(subtitle_codec_tag)
3526 subtitle_enc->codec_tag= subtitle_codec_tag;
3528 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3529 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3532 if (subtitle_language) {
3533 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3534 av_freep(&subtitle_language);
3537 subtitle_disable = 0;
3541 /* arg format is "output-stream-index:streamid-value". */
3542 static int opt_streamid(const char *opt, const char *arg)
3548 av_strlcpy(idx_str, arg, sizeof(idx_str));
3549 p = strchr(idx_str, ':');
3552 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3557 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3558 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3559 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3562 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3565 AVFormatContext *ic = NULL;
3567 err = avformat_open_input(&ic, filename, NULL, NULL);
3570 /* copy stream format */
3571 for(i=0;i<ic->nb_streams;i++) {
3576 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3577 ost = new_output_stream(s, codec->type);
3580 // FIXME: a more elegant solution is needed
3581 memcpy(st, ic->streams[i], sizeof(AVStream));
3582 st->info = av_malloc(sizeof(*st->info));
3583 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3584 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3586 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3587 choose_sample_fmt(st, codec);
3588 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3589 choose_pixel_fmt(st, codec);
3592 av_close_input_file(ic);
3597 static int copy_chapters(int infile, int outfile)
3599 AVFormatContext *is = input_files[infile].ctx;
3600 AVFormatContext *os = output_files[outfile].ctx;
3603 for (i = 0; i < is->nb_chapters; i++) {
3604 AVChapter *in_ch = is->chapters[i], *out_ch;
3605 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3606 AV_TIME_BASE_Q, in_ch->time_base);
3607 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3608 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3611 if (in_ch->end < ts_off)
3613 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3616 out_ch = av_mallocz(sizeof(AVChapter));
3618 return AVERROR(ENOMEM);
3620 out_ch->id = in_ch->id;
3621 out_ch->time_base = in_ch->time_base;
3622 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3623 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3625 if (metadata_chapters_autocopy)
3626 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3629 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3631 return AVERROR(ENOMEM);
3632 os->chapters[os->nb_chapters - 1] = out_ch;
3637 static int opt_output_file(const char *opt, const char *filename)
3639 AVFormatContext *oc;
3641 AVOutputFormat *file_oformat;
3645 if (!strcmp(filename, "-"))
3648 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3649 last_asked_format = NULL;
3651 print_error(filename, err);
3654 file_oformat= oc->oformat;
3656 if (!strcmp(file_oformat->name, "ffm") &&
3657 av_strstart(filename, "http:", NULL)) {
3658 /* special case for files sent to ffserver: we get the stream
3659 parameters from ffserver */
3660 int err = read_ffserver_streams(oc, filename);
3662 print_error(filename, err);
3665 } else if (!nb_stream_maps) {
3666 /* pick the "best" stream of each type */
3667 #define NEW_STREAM(type, index)\
3669 ost = new_ ## type ## _stream(oc);\
3670 ost->source_index = index;\
3671 ost->sync_ist = &input_streams[index];\
3672 input_streams[index].discard = 0;\
3675 /* video: highest resolution */
3676 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3677 int area = 0, idx = -1;
3678 for (i = 0; i < nb_input_streams; i++) {
3679 ist = &input_streams[i];
3680 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3681 ist->st->codec->width * ist->st->codec->height > area) {
3682 area = ist->st->codec->width * ist->st->codec->height;
3686 NEW_STREAM(video, idx);
3689 /* audio: most channels */
3690 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3691 int channels = 0, idx = -1;
3692 for (i = 0; i < nb_input_streams; i++) {
3693 ist = &input_streams[i];
3694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3695 ist->st->codec->channels > channels) {
3696 channels = ist->st->codec->channels;
3700 NEW_STREAM(audio, idx);
3703 /* subtitles: pick first */
3704 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3705 for (i = 0; i < nb_input_streams; i++)
3706 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3707 NEW_STREAM(subtitle, i);
3711 /* do something with data? */
3713 for (i = 0; i < nb_stream_maps; i++) {
3714 StreamMap *map = &stream_maps[i];
3719 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3720 switch (ist->st->codec->codec_type) {
3721 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3722 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3723 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3724 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3726 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3727 map->file_index, map->stream_index);
3731 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3732 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3733 map->sync_stream_index];
3738 av_dict_copy(&oc->metadata, metadata, 0);
3739 av_dict_free(&metadata);
3742 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3743 output_files[nb_output_files - 1].ctx = oc;
3744 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3745 output_files[nb_output_files - 1].recording_time = recording_time;
3746 output_files[nb_output_files - 1].start_time = start_time;
3747 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3748 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3750 /* check filename in case of an image number is expected */
3751 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3752 if (!av_filename_number_test(oc->filename)) {
3753 print_error(oc->filename, AVERROR(EINVAL));
3758 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3759 /* test if it already exists to avoid loosing precious files */
3760 if (!file_overwrite &&
3761 (strchr(filename, ':') == NULL ||
3762 filename[1] == ':' ||
3763 av_strstart(filename, "file:", NULL))) {
3764 if (avio_check(filename, 0) == 0) {
3766 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3768 if (!read_yesno()) {
3769 fprintf(stderr, "Not overwriting - exiting\n");
3774 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3781 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3782 print_error(filename, err);
3787 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3788 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3790 if (loop_output >= 0) {
3791 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3792 oc->loop_output = loop_output;
3796 if (chapters_input_file >= nb_input_files) {
3797 if (chapters_input_file == INT_MAX) {
3798 /* copy chapters from the first input file that has them*/
3799 chapters_input_file = -1;
3800 for (i = 0; i < nb_input_files; i++)
3801 if (input_files[i].ctx->nb_chapters) {
3802 chapters_input_file = i;
3806 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3807 chapters_input_file);
3811 if (chapters_input_file >= 0)
3812 copy_chapters(chapters_input_file, nb_output_files - 1);
3815 for (i = 0; i < nb_meta_data_maps; i++) {
3816 AVFormatContext *files[2];
3817 AVDictionary **meta[2];
3820 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3821 if ((index) < 0 || (index) >= (nb_elems)) {\
3822 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3827 int in_file_index = meta_data_maps[i][1].file;
3828 if (in_file_index < 0)
3830 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3833 files[1] = input_files[in_file_index].ctx;
3835 for (j = 0; j < 2; j++) {
3836 MetadataMap *map = &meta_data_maps[i][j];
3838 switch (map->type) {
3840 meta[j] = &files[j]->metadata;
3843 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3844 meta[j] = &files[j]->streams[map->index]->metadata;
3847 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3848 meta[j] = &files[j]->chapters[map->index]->metadata;
3851 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3852 meta[j] = &files[j]->programs[map->index]->metadata;
3857 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3860 /* copy global metadata by default */
3861 if (metadata_global_autocopy && nb_input_files)
3862 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3863 AV_DICT_DONT_OVERWRITE);
3864 if (metadata_streams_autocopy)
3865 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3866 InputStream *ist = &input_streams[output_streams[i].source_index];
3867 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3870 frame_rate = (AVRational){0, 0};
3873 audio_sample_rate = 0;
3875 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3876 chapters_input_file = INT_MAX;
3877 recording_time = INT64_MAX;
3879 limit_filesize = UINT64_MAX;
3881 av_freep(&meta_data_maps);
3882 nb_meta_data_maps = 0;
3883 metadata_global_autocopy = 1;
3884 metadata_streams_autocopy = 1;
3885 metadata_chapters_autocopy = 1;
3886 av_freep(&stream_maps);
3888 av_freep(&streamid_map);
3889 nb_streamid_map = 0;
3891 av_dict_free(&codec_names);
3893 av_freep(&forced_key_frames);
3899 /* same option as mencoder */
3900 static int opt_pass(const char *opt, const char *arg)
3902 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3906 static int64_t getutime(void)
3909 struct rusage rusage;
3911 getrusage(RUSAGE_SELF, &rusage);
3912 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3913 #elif HAVE_GETPROCESSTIMES
3915 FILETIME c, e, k, u;
3916 proc = GetCurrentProcess();
3917 GetProcessTimes(proc, &c, &e, &k, &u);
3918 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3920 return av_gettime();
3924 static int64_t getmaxrss(void)
3926 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3927 struct rusage rusage;
3928 getrusage(RUSAGE_SELF, &rusage);
3929 return (int64_t)rusage.ru_maxrss * 1024;
3930 #elif HAVE_GETPROCESSMEMORYINFO
3932 PROCESS_MEMORY_COUNTERS memcounters;
3933 proc = GetCurrentProcess();
3934 memcounters.cb = sizeof(memcounters);
3935 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3936 return memcounters.PeakPagefileUsage;
3942 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3945 const char *p = str;
3952 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3959 static int opt_inter_matrix(const char *opt, const char *arg)
3961 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3962 parse_matrix_coeffs(inter_matrix, arg);
3966 static int opt_intra_matrix(const char *opt, const char *arg)
3968 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3969 parse_matrix_coeffs(intra_matrix, arg);
3973 static void show_usage(void)
3975 printf("Hyper fast Audio and Video encoder\n");
3976 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3980 static int opt_help(const char *opt, const char *arg)
3983 AVOutputFormat *oformat = NULL;
3984 AVInputFormat *iformat = NULL;
3986 av_log_set_callback(log_callback_help);
3988 show_help_options(options, "Main options:\n",
3989 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3990 show_help_options(options, "\nAdvanced options:\n",
3991 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3993 show_help_options(options, "\nVideo options:\n",
3994 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3996 show_help_options(options, "\nAdvanced Video options:\n",
3997 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3998 OPT_VIDEO | OPT_EXPERT);
3999 show_help_options(options, "\nAudio options:\n",
4000 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4002 show_help_options(options, "\nAdvanced Audio options:\n",
4003 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4004 OPT_AUDIO | OPT_EXPERT);
4005 show_help_options(options, "\nSubtitle options:\n",
4006 OPT_SUBTITLE | OPT_GRAB,
4008 show_help_options(options, "\nAudio/Video grab options:\n",
4012 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4015 /* individual codec options */
4017 while ((c = av_codec_next(c))) {
4018 if (c->priv_class) {
4019 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4024 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4027 /* individual muxer options */
4028 while ((oformat = av_oformat_next(oformat))) {
4029 if (oformat->priv_class) {
4030 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4035 /* individual demuxer options */
4036 while ((iformat = av_iformat_next(iformat))) {
4037 if (iformat->priv_class) {
4038 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4043 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4047 static int opt_target(const char *opt, const char *arg)
4049 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4050 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4052 if(!strncmp(arg, "pal-", 4)) {
4055 } else if(!strncmp(arg, "ntsc-", 5)) {
4058 } else if(!strncmp(arg, "film-", 5)) {
4063 /* Calculate FR via float to avoid int overflow */
4064 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4067 } else if((fr == 29970) || (fr == 23976)) {
4070 /* Try to determine PAL/NTSC by peeking in the input files */
4071 if(nb_input_files) {
4073 for (j = 0; j < nb_input_files; j++) {
4074 for (i = 0; i < input_files[j].nb_streams; i++) {
4075 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4076 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4078 fr = c->time_base.den * 1000 / c->time_base.num;
4082 } else if((fr == 29970) || (fr == 23976)) {
4092 if(verbose > 0 && norm != UNKNOWN)
4093 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4096 if(norm == UNKNOWN) {
4097 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4098 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4099 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4103 if(!strcmp(arg, "vcd")) {
4104 opt_codec("c:v", "mpeg1video");
4105 opt_codec("c:a", "mp2");
4106 opt_format("f", "vcd");
4108 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4109 opt_frame_rate("r", frame_rates[norm]);
4110 opt_default("g", norm == PAL ? "15" : "18");
4112 opt_default("b", "1150000");
4113 opt_default("maxrate", "1150000");
4114 opt_default("minrate", "1150000");
4115 opt_default("bufsize", "327680"); // 40*1024*8;
4117 opt_default("b:a", "224000");
4118 audio_sample_rate = 44100;
4121 opt_default("packetsize", "2324");
4122 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4124 /* We have to offset the PTS, so that it is consistent with the SCR.
4125 SCR starts at 36000, but the first two packs contain only padding
4126 and the first pack from the other stream, respectively, may also have
4127 been written before.
4128 So the real data starts at SCR 36000+3*1200. */
4129 mux_preload= (36000+3*1200) / 90000.0; //0.44
4130 } else if(!strcmp(arg, "svcd")) {
4132 opt_codec("c:v", "mpeg2video");
4133 opt_codec("c:a", "mp2");
4134 opt_format("f", "svcd");
4136 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4137 opt_frame_rate("r", frame_rates[norm]);
4138 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4139 opt_default("g", norm == PAL ? "15" : "18");
4141 opt_default("b", "2040000");
4142 opt_default("maxrate", "2516000");
4143 opt_default("minrate", "0"); //1145000;
4144 opt_default("bufsize", "1835008"); //224*1024*8;
4145 opt_default("flags", "+scan_offset");
4148 opt_default("b:a", "224000");
4149 audio_sample_rate = 44100;
4151 opt_default("packetsize", "2324");
4153 } else if(!strcmp(arg, "dvd")) {
4155 opt_codec("c:v", "mpeg2video");
4156 opt_codec("c:a", "ac3");
4157 opt_format("f", "dvd");
4159 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4160 opt_frame_rate("r", frame_rates[norm]);
4161 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4162 opt_default("g", norm == PAL ? "15" : "18");
4164 opt_default("b", "6000000");
4165 opt_default("maxrate", "9000000");
4166 opt_default("minrate", "0"); //1500000;
4167 opt_default("bufsize", "1835008"); //224*1024*8;
4169 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4170 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4172 opt_default("b:a", "448000");
4173 audio_sample_rate = 48000;
4175 } else if(!strncmp(arg, "dv", 2)) {
4177 opt_format("f", "dv");
4179 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4180 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4181 norm == PAL ? "yuv420p" : "yuv411p");
4182 opt_frame_rate("r", frame_rates[norm]);
4184 audio_sample_rate = 48000;
4188 fprintf(stderr, "Unknown target: %s\n", arg);
4189 return AVERROR(EINVAL);
4194 static int opt_vstats_file(const char *opt, const char *arg)
4196 av_free (vstats_filename);
4197 vstats_filename=av_strdup (arg);
4201 static int opt_vstats(const char *opt, const char *arg)
4204 time_t today2 = time(NULL);
4205 struct tm *today = localtime(&today2);
4207 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4209 return opt_vstats_file(opt, filename);
4212 static int opt_bsf(const char *opt, const char *arg)
4214 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4215 AVBitStreamFilterContext **bsfp;
4218 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4222 bsfp= *opt == 'v' ? &video_bitstream_filters :
4223 *opt == 'a' ? &audio_bitstream_filters :
4224 &subtitle_bitstream_filters;
4226 bsfp= &(*bsfp)->next;
4233 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4237 static int opt_passlogfile(const char *opt, const char *arg)
4239 pass_logfilename_prefix = arg;
4240 #if CONFIG_LIBX264_ENCODER
4241 return opt_default("passlogfile", arg);
4247 static const OptionDef options[] = {
4249 #include "cmdutils_common_opts.h"
4250 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4251 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4252 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4253 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4254 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4255 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4256 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4257 "outfile[,metadata]:infile[,metadata]" },
4258 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4259 "outfile[,metadata]:infile[,metadata]" },
4260 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4261 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4262 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4263 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4264 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4265 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4266 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4267 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4268 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4269 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4270 "add timings for benchmarking" },
4271 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4272 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4273 "dump each input packet" },
4274 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4275 "when dumping packets, also dump the payload" },
4276 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4277 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4278 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4279 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4280 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4281 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4282 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4283 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4284 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4285 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4286 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4287 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4288 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4289 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4290 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4291 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4294 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4295 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4296 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4297 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4298 { "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" },
4299 { "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" },
4300 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4301 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4302 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4303 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4304 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4305 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4306 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4307 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4308 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4309 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4310 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4311 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4312 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4313 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4314 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4315 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4316 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4317 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4318 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4319 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4320 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4321 "deinterlace pictures" },
4322 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4323 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4324 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4326 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4328 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4329 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4330 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4331 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4332 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4333 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4334 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4335 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4336 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4337 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4340 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4341 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4342 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4343 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4344 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4345 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4346 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4347 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4348 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4349 { "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" },
4351 /* subtitle options */
4352 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4353 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4354 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4355 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4358 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4359 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4360 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4363 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4364 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4366 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4367 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4368 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4370 /* data codec support */
4371 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4373 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4377 int main(int argc, char **argv)
4381 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4383 if(argc>1 && !strcmp(argv[1], "-d")){
4386 av_log_set_callback(log_callback_null);
4391 avcodec_register_all();
4393 avdevice_register_all();
4396 avfilter_register_all();
4401 if(isatty(STDIN_FILENO))
4402 avio_set_interrupt_cb(decode_interrupt_cb);
4411 parse_options(argc, argv, options, opt_output_file);
4413 if(nb_output_files <= 0 && nb_input_files == 0) {
4415 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4419 /* file converter / grab */
4420 if (nb_output_files <= 0) {
4421 fprintf(stderr, "At least one output file must be specified\n");
4425 if (nb_input_files == 0) {
4426 fprintf(stderr, "At least one input file must be specified\n");
4431 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4433 ti = getutime() - ti;
4435 int maxrss = getmaxrss() / 1024;
4436 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4439 return exit_program(0);