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)
1080 int resample_changed = 0;
1081 AVCodecContext *dec = ist->st->codec;
1082 *out_picture = in_picture;
1083 #if !CONFIG_AVFILTER
1084 resample_changed = ost->resample_width != dec->width ||
1085 ost->resample_height != dec->height ||
1086 ost->resample_pix_fmt != dec->pix_fmt;
1088 if (resample_changed) {
1089 av_log(NULL, AV_LOG_INFO,
1090 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1091 ist->file_index, ist->st->index,
1092 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1093 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1094 ost->resample_width = dec->width;
1095 ost->resample_height = dec->height;
1096 ost->resample_pix_fmt = dec->pix_fmt;
1099 ost->video_resample = dec->width != enc->width ||
1100 dec->height != enc->height ||
1101 dec->pix_fmt != enc->pix_fmt;
1103 if (ost->video_resample) {
1104 *out_picture = &ost->resample_frame;
1105 if (!ost->img_resample_ctx || resample_changed) {
1106 /* initialize the destination picture */
1107 if (!ost->resample_frame.data[0]) {
1108 avcodec_get_frame_defaults(&ost->resample_frame);
1109 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1110 enc->width, enc->height)) {
1111 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1115 /* initialize a new scaler context */
1116 sws_freeContext(ost->img_resample_ctx);
1117 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1118 enc->width, enc->height, enc->pix_fmt,
1119 ost->sws_flags, NULL, NULL, NULL);
1120 if (ost->img_resample_ctx == NULL) {
1121 fprintf(stderr, "Cannot get resampling context\n");
1125 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1126 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1132 static void do_video_out(AVFormatContext *s,
1135 AVFrame *in_picture,
1136 int *frame_size, float quality)
1138 int nb_frames, i, ret, format_video_sync;
1139 AVFrame *final_picture;
1140 AVCodecContext *enc, *dec;
1143 enc = ost->st->codec;
1144 dec = ist->st->codec;
1146 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1148 /* by default, we output a single frame */
1153 format_video_sync = video_sync_method;
1154 if (format_video_sync < 0)
1155 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1157 if (format_video_sync) {
1158 double vdelta = sync_ipts - ost->sync_opts;
1159 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1162 else if (format_video_sync == 2) {
1165 }else if(vdelta>0.6)
1166 ost->sync_opts= lrintf(sync_ipts);
1167 }else if (vdelta > 1.1)
1168 nb_frames = lrintf(vdelta);
1169 //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);
1170 if (nb_frames == 0){
1173 fprintf(stderr, "*** drop!\n");
1174 }else if (nb_frames > 1) {
1175 nb_frames_dup += nb_frames - 1;
1177 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1180 ost->sync_opts= lrintf(sync_ipts);
1182 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1186 do_video_resample(ost, ist, in_picture, &final_picture);
1188 /* duplicates frame if needed */
1189 for(i=0;i<nb_frames;i++) {
1191 av_init_packet(&pkt);
1192 pkt.stream_index= ost->index;
1194 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1195 /* raw pictures are written as AVPicture structure to
1196 avoid any copies. We support temporarily the older
1198 AVFrame* old_frame = enc->coded_frame;
1199 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1200 pkt.data= (uint8_t *)final_picture;
1201 pkt.size= sizeof(AVPicture);
1202 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1203 pkt.flags |= AV_PKT_FLAG_KEY;
1205 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1206 enc->coded_frame = old_frame;
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)
1889 InputStream *ist = &input_streams[ist_index];
1890 if (ist->decoding_needed) {
1891 AVCodec *codec = ist->dec;
1893 snprintf(error, sizeof(error), "Decoder (codec %s) not found for input stream #%d.%d",
1894 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1895 return AVERROR(EINVAL);
1897 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1898 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1899 ist->file_index, ist->st->index);
1900 return AVERROR(EINVAL);
1902 assert_codec_experimental(ist->st->codec, 0);
1903 assert_avoptions(ist->opts);
1906 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;
1907 ist->next_pts = AV_NOPTS_VALUE;
1913 static int transcode_init(OutputFile *output_files,
1914 int nb_output_files,
1915 InputFile *input_files,
1919 AVFormatContext *os;
1920 AVCodecContext *codec, *icodec;
1927 for (i = 0; i < nb_input_streams; i++)
1928 input_streams[i].start = av_gettime();
1930 /* output stream init */
1931 for(i=0;i<nb_output_files;i++) {
1932 os = output_files[i].ctx;
1933 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1934 av_dump_format(os, i, os->filename, 1);
1935 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1936 return AVERROR(EINVAL);
1940 /* for each output stream, we compute the right encoding parameters */
1941 for (i = 0; i < nb_output_streams; i++) {
1942 ost = &output_streams[i];
1943 os = output_files[ost->file_index].ctx;
1944 ist = &input_streams[ost->source_index];
1946 codec = ost->st->codec;
1947 icodec = ist->st->codec;
1949 ost->st->disposition = ist->st->disposition;
1950 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1951 codec->chroma_sample_location = icodec->chroma_sample_location;
1953 if (ost->st->stream_copy) {
1954 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1956 if (extra_size > INT_MAX) {
1957 return AVERROR(EINVAL);
1960 /* if stream_copy is selected, no need to decode or encode */
1961 codec->codec_id = icodec->codec_id;
1962 codec->codec_type = icodec->codec_type;
1964 if(!codec->codec_tag){
1965 if( !os->oformat->codec_tag
1966 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1967 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1968 codec->codec_tag = icodec->codec_tag;
1971 codec->bit_rate = icodec->bit_rate;
1972 codec->rc_max_rate = icodec->rc_max_rate;
1973 codec->rc_buffer_size = icodec->rc_buffer_size;
1974 codec->extradata= av_mallocz(extra_size);
1975 if (!codec->extradata) {
1976 return AVERROR(ENOMEM);
1978 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1979 codec->extradata_size= icodec->extradata_size;
1981 codec->time_base = ist->st->time_base;
1982 if(!strcmp(os->oformat->name, "avi")) {
1983 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){
1984 codec->time_base = icodec->time_base;
1985 codec->time_base.num *= icodec->ticks_per_frame;
1986 codec->time_base.den *= 2;
1988 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1989 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){
1990 codec->time_base = icodec->time_base;
1991 codec->time_base.num *= icodec->ticks_per_frame;
1994 av_reduce(&codec->time_base.num, &codec->time_base.den,
1995 codec->time_base.num, codec->time_base.den, INT_MAX);
1997 switch(codec->codec_type) {
1998 case AVMEDIA_TYPE_AUDIO:
1999 if(audio_volume != 256) {
2000 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2003 codec->channel_layout = icodec->channel_layout;
2004 codec->sample_rate = icodec->sample_rate;
2005 codec->channels = icodec->channels;
2006 codec->frame_size = icodec->frame_size;
2007 codec->audio_service_type = icodec->audio_service_type;
2008 codec->block_align= icodec->block_align;
2009 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2010 codec->block_align= 0;
2011 if(codec->codec_id == CODEC_ID_AC3)
2012 codec->block_align= 0;
2014 case AVMEDIA_TYPE_VIDEO:
2015 codec->pix_fmt = icodec->pix_fmt;
2016 codec->width = icodec->width;
2017 codec->height = icodec->height;
2018 codec->has_b_frames = icodec->has_b_frames;
2019 if (!codec->sample_aspect_ratio.num) {
2020 codec->sample_aspect_ratio =
2021 ost->st->sample_aspect_ratio =
2022 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2023 ist->st->codec->sample_aspect_ratio.num ?
2024 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2027 case AVMEDIA_TYPE_SUBTITLE:
2028 codec->width = icodec->width;
2029 codec->height = icodec->height;
2031 case AVMEDIA_TYPE_DATA:
2038 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2039 switch(codec->codec_type) {
2040 case AVMEDIA_TYPE_AUDIO:
2041 ost->fifo= av_fifo_alloc(1024);
2043 return AVERROR(ENOMEM);
2045 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2046 if (!codec->sample_rate) {
2047 codec->sample_rate = icodec->sample_rate;
2049 choose_sample_rate(ost->st, ost->enc);
2050 codec->time_base = (AVRational){1, codec->sample_rate};
2051 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2052 codec->sample_fmt = icodec->sample_fmt;
2053 choose_sample_fmt(ost->st, ost->enc);
2054 if (!codec->channels) {
2055 codec->channels = icodec->channels;
2056 codec->channel_layout = icodec->channel_layout;
2058 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2059 codec->channel_layout = 0;
2060 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2061 icodec->request_channels = codec->channels;
2062 ist->decoding_needed = 1;
2063 ost->encoding_needed = 1;
2064 ost->resample_sample_fmt = icodec->sample_fmt;
2065 ost->resample_sample_rate = icodec->sample_rate;
2066 ost->resample_channels = icodec->channels;
2068 case AVMEDIA_TYPE_VIDEO:
2069 if (codec->pix_fmt == PIX_FMT_NONE)
2070 codec->pix_fmt = icodec->pix_fmt;
2071 choose_pixel_fmt(ost->st, ost->enc);
2073 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2074 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2078 if (!codec->width || !codec->height) {
2079 codec->width = icodec->width;
2080 codec->height = icodec->height;
2083 ost->video_resample = codec->width != icodec->width ||
2084 codec->height != icodec->height ||
2085 codec->pix_fmt != icodec->pix_fmt;
2086 if (ost->video_resample) {
2087 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2090 ost->resample_height = icodec->height;
2091 ost->resample_width = icodec->width;
2092 ost->resample_pix_fmt= icodec->pix_fmt;
2093 ost->encoding_needed = 1;
2094 ist->decoding_needed = 1;
2096 if (!ost->frame_rate.num)
2097 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2098 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2099 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2100 ost->frame_rate = ost->enc->supported_framerates[idx];
2102 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2103 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2104 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2105 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2106 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2110 if (configure_video_filters(ist, ost)) {
2111 fprintf(stderr, "Error opening filters!\n");
2116 case AVMEDIA_TYPE_SUBTITLE:
2117 ost->encoding_needed = 1;
2118 ist->decoding_needed = 1;
2125 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2126 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2127 char logfilename[1024];
2130 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2131 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2133 if (codec->flags & CODEC_FLAG_PASS1) {
2134 f = fopen(logfilename, "wb");
2136 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2142 size_t logbuffer_size;
2143 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2144 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2147 codec->stats_in = logbuffer;
2151 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2152 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2153 int size= codec->width * codec->height;
2154 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2159 bit_buffer = av_malloc(bit_buffer_size);
2161 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2163 return AVERROR(ENOMEM);
2166 /* open each encoder */
2167 for (i = 0; i < nb_output_streams; i++) {
2168 ost = &output_streams[i];
2169 if (ost->encoding_needed) {
2170 AVCodec *codec = ost->enc;
2171 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2173 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2174 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2175 ret = AVERROR(EINVAL);
2178 if (dec->subtitle_header) {
2179 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2180 if (!ost->st->codec->subtitle_header) {
2181 ret = AVERROR(ENOMEM);
2184 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2185 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2187 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2188 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2189 ost->file_index, ost->index);
2190 ret = AVERROR(EINVAL);
2193 assert_codec_experimental(ost->st->codec, 1);
2194 assert_avoptions(ost->opts);
2195 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2196 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2197 "It takes bits/s as argument, not kbits/s\n");
2198 extra_size += ost->st->codec->extradata_size;
2202 /* init input streams */
2203 for (i = 0; i < nb_input_streams; i++)
2204 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2207 /* open files and write file headers */
2208 for (i = 0; i < nb_output_files; i++) {
2209 os = output_files[i].ctx;
2210 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2211 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2212 ret = AVERROR(EINVAL);
2215 // assert_avoptions(output_files[i].opts);
2216 if (strcmp(os->oformat->name, "rtp")) {
2222 /* dump the file output parameters - cannot be done before in case
2224 for(i=0;i<nb_output_files;i++) {
2225 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2228 /* dump the stream mapping */
2230 fprintf(stderr, "Stream mapping:\n");
2231 for (i = 0; i < nb_output_streams;i ++) {
2232 ost = &output_streams[i];
2233 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2234 input_streams[ost->source_index].file_index,
2235 input_streams[ost->source_index].st->index,
2238 if (ost->sync_ist != &input_streams[ost->source_index])
2239 fprintf(stderr, " [sync #%d.%d]",
2240 ost->sync_ist->file_index,
2241 ost->sync_ist->st->index);
2242 if (ost->st->stream_copy)
2243 fprintf(stderr, " (copy)");
2245 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2246 input_streams[ost->source_index].dec->name : "?",
2247 ost->enc ? ost->enc->name : "?");
2248 fprintf(stderr, "\n");
2253 fprintf(stderr, "%s\n", error);
2258 print_sdp(output_files, nb_output_files);
2265 * The following code is the main loop of the file converter
2267 static int transcode(OutputFile *output_files,
2268 int nb_output_files,
2269 InputFile *input_files,
2273 AVFormatContext *is, *os;
2277 int no_packet_count=0;
2278 int64_t timer_start;
2281 if (!(no_packet = av_mallocz(nb_input_files)))
2284 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2290 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2291 avio_set_interrupt_cb(decode_interrupt_cb);
2295 timer_start = av_gettime();
2297 for(; received_sigterm == 0;) {
2298 int file_index, ist_index;
2303 ipts_min= INT64_MAX;
2305 /* if 'q' pressed, exits */
2309 /* read_key() returns 0 on EOF */
2313 if (key == '+') verbose++;
2314 if (key == '-') verbose--;
2315 if (key == 's') qp_hist ^= 1;
2318 do_hex_dump = do_pkt_dump = 0;
2319 } else if(do_pkt_dump){
2323 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");
2351 if (key == 'd' || key == 'D'){
2354 debug = input_streams[0].st->codec->debug<<1;
2355 if(!debug) debug = 1;
2356 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2359 scanf("%d", &debug);
2360 for(i=0;i<nb_input_streams;i++) {
2361 input_streams[i].st->codec->debug = debug;
2363 for(i=0;i<nb_output_streams;i++) {
2364 ost = &output_streams[i];
2365 ost->st->codec->debug = debug;
2367 if(debug) av_log_set_level(AV_LOG_DEBUG);
2368 fprintf(stderr,"debug=%d\n", debug);
2371 fprintf(stderr, "key function\n"
2372 "? show this help\n"
2373 "+ increase verbosity\n"
2374 "- decrease verbosity\n"
2375 "c Send command to filtergraph\n"
2376 "D cycle through available debug modes\n"
2377 "h dump packets/hex press to cycle through the 3 states\n"
2379 "s Show QP histogram\n"
2384 /* select the stream that we must read now by looking at the
2385 smallest output pts */
2387 for (i = 0; i < nb_output_streams; i++) {
2391 ost = &output_streams[i];
2392 of = &output_files[ost->file_index];
2393 os = output_files[ost->file_index].ctx;
2394 ist = &input_streams[ost->source_index];
2395 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2396 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2398 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2400 if (!input_files[ist->file_index].eof_reached){
2401 if(ipts < ipts_min) {
2403 if(input_sync ) file_index = ist->file_index;
2405 if(opts < opts_min) {
2407 if(!input_sync) file_index = ist->file_index;
2410 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2415 /* if none, if is finished */
2416 if (file_index < 0) {
2417 if(no_packet_count){
2419 memset(no_packet, 0, nb_input_files);
2426 /* read a frame from it and output it in the fifo */
2427 is = input_files[file_index].ctx;
2428 ret= av_read_frame(is, &pkt);
2429 if(ret == AVERROR(EAGAIN)){
2430 no_packet[file_index]=1;
2435 input_files[file_index].eof_reached = 1;
2443 memset(no_packet, 0, nb_input_files);
2446 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2447 is->streams[pkt.stream_index]);
2449 /* the following test is needed in case new streams appear
2450 dynamically in stream : we ignore them */
2451 if (pkt.stream_index >= input_files[file_index].nb_streams)
2452 goto discard_packet;
2453 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2454 ist = &input_streams[ist_index];
2456 goto discard_packet;
2458 if (pkt.dts != AV_NOPTS_VALUE)
2459 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2460 if (pkt.pts != AV_NOPTS_VALUE)
2461 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2463 if (ist->ts_scale) {
2464 if(pkt.pts != AV_NOPTS_VALUE)
2465 pkt.pts *= ist->ts_scale;
2466 if(pkt.dts != AV_NOPTS_VALUE)
2467 pkt.dts *= ist->ts_scale;
2470 // 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);
2471 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2472 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2473 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2474 int64_t delta= pkt_dts - ist->next_pts;
2475 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2476 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2477 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2478 pkt_dts+1<ist->pts)&& !copy_ts){
2479 input_files[ist->file_index].ts_offset -= delta;
2481 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2482 delta, input_files[ist->file_index].ts_offset);
2483 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2484 if(pkt.pts != AV_NOPTS_VALUE)
2485 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2489 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2490 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2493 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2494 ist->file_index, ist->st->index);
2497 av_free_packet(&pkt);
2502 av_free_packet(&pkt);
2504 /* dump report by using the output first video and audio streams */
2505 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2508 /* at the end of stream, we must flush the decoder buffers */
2509 for (i = 0; i < nb_input_streams; i++) {
2510 ist = &input_streams[i];
2511 if (ist->decoding_needed) {
2512 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2515 flush_encoders(output_streams, nb_output_streams);
2519 /* write the trailer if needed and close file */
2520 for(i=0;i<nb_output_files;i++) {
2521 os = output_files[i].ctx;
2522 av_write_trailer(os);
2525 /* dump report by using the first video and audio streams */
2526 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2528 /* close each encoder */
2529 for (i = 0; i < nb_output_streams; i++) {
2530 ost = &output_streams[i];
2531 if (ost->encoding_needed) {
2532 av_freep(&ost->st->codec->stats_in);
2533 avcodec_close(ost->st->codec);
2536 avfilter_graph_free(&ost->graph);
2540 /* close each decoder */
2541 for (i = 0; i < nb_input_streams; i++) {
2542 ist = &input_streams[i];
2543 if (ist->decoding_needed) {
2544 avcodec_close(ist->st->codec);
2552 av_freep(&bit_buffer);
2553 av_freep(&no_packet);
2555 if (output_streams) {
2556 for (i = 0; i < nb_output_streams; i++) {
2557 ost = &output_streams[i];
2559 if (ost->st->stream_copy)
2560 av_freep(&ost->st->codec->extradata);
2562 fclose(ost->logfile);
2563 ost->logfile = NULL;
2565 av_fifo_free(ost->fifo); /* works even if fifo is not
2566 initialized but set to zero */
2567 av_freep(&ost->st->codec->subtitle_header);
2568 av_free(ost->resample_frame.data[0]);
2569 av_free(ost->forced_kf_pts);
2570 if (ost->video_resample)
2571 sws_freeContext(ost->img_resample_ctx);
2573 audio_resample_close(ost->resample);
2574 if (ost->reformat_ctx)
2575 av_audio_convert_free(ost->reformat_ctx);
2576 av_dict_free(&ost->opts);
2583 static int opt_format(const char *opt, const char *arg)
2585 last_asked_format = arg;
2589 static int opt_video_rc_override_string(const char *opt, const char *arg)
2591 video_rc_override_string = arg;
2595 static int opt_me_threshold(const char *opt, const char *arg)
2597 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2601 static int opt_verbose(const char *opt, const char *arg)
2603 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2607 static int opt_frame_rate(const char *opt, const char *arg)
2609 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2610 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2616 static int opt_frame_crop(const char *opt, const char *arg)
2618 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2619 return AVERROR(EINVAL);
2622 static int opt_frame_size(const char *opt, const char *arg)
2624 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2625 fprintf(stderr, "Incorrect frame size\n");
2626 return AVERROR(EINVAL);
2631 static int opt_pad(const char *opt, const char *arg) {
2632 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2636 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2638 if (strcmp(arg, "list")) {
2639 frame_pix_fmt = av_get_pix_fmt(arg);
2640 if (frame_pix_fmt == PIX_FMT_NONE) {
2641 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2642 return AVERROR(EINVAL);
2645 opt_pix_fmts(NULL, NULL);
2651 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2658 p = strchr(arg, ':');
2660 x = strtol(arg, &end, 10);
2662 y = strtol(end+1, &end, 10);
2664 ar = (double)x / (double)y;
2666 ar = strtod(arg, NULL);
2669 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2670 return AVERROR(EINVAL);
2672 frame_aspect_ratio = ar;
2676 static int opt_metadata(const char *opt, const char *arg)
2678 char *mid= strchr(arg, '=');
2681 fprintf(stderr, "Missing =\n");
2686 av_dict_set(&metadata, arg, mid, 0);
2691 static int opt_qscale(const char *opt, const char *arg)
2693 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2694 if (video_qscale <= 0 || video_qscale > 255) {
2695 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2696 return AVERROR(EINVAL);
2701 static int opt_top_field_first(const char *opt, const char *arg)
2703 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2704 return opt_default(opt, arg);
2707 static int opt_thread_count(const char *opt, const char *arg)
2709 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2712 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2717 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2719 if (strcmp(arg, "list")) {
2720 audio_sample_fmt = av_get_sample_fmt(arg);
2721 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2722 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2723 return AVERROR(EINVAL);
2728 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2729 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2735 static int opt_audio_rate(const char *opt, const char *arg)
2737 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2741 static int opt_audio_channels(const char *opt, const char *arg)
2743 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2747 static int opt_video_channel(const char *opt, const char *arg)
2749 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2750 return opt_default("channel", arg);
2753 static int opt_video_standard(const char *opt, const char *arg)
2755 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2756 return opt_default("standard", arg);
2759 static int opt_codec(const char *opt, const char *arg)
2761 return av_dict_set(&codec_names, opt, arg, 0);
2764 static int opt_audio_codec(const char *opt, const char *arg)
2766 return opt_codec("codec:a", arg);
2769 static int opt_video_codec(const char *opt, const char *arg)
2771 return opt_codec("codec:v", arg);
2774 static int opt_subtitle_codec(const char *opt, const char *arg)
2776 return opt_codec("codec:s", arg);
2779 static int opt_data_codec(const char *opt, const char *arg)
2781 return opt_codec("codec:d", arg);
2784 static int opt_codec_tag(const char *opt, const char *arg)
2787 uint32_t *codec_tag;
2789 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2790 !strcmp(opt, "vtag") ? &video_codec_tag :
2791 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2795 *codec_tag = strtol(arg, &tail, 0);
2797 *codec_tag = AV_RL32(arg);
2802 static int opt_map(const char *opt, const char *arg)
2804 StreamMap *m = NULL;
2805 int i, negative = 0, file_idx;
2806 int sync_file_idx = -1, sync_stream_idx;
2814 map = av_strdup(arg);
2816 /* parse sync stream first, just pick first matching stream */
2817 if (sync = strchr(map, ',')) {
2819 sync_file_idx = strtol(sync + 1, &sync, 0);
2820 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2821 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2826 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2827 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2828 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2829 sync_stream_idx = i;
2832 if (i == input_files[sync_file_idx].nb_streams) {
2833 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2834 "match any streams.\n", arg);
2840 file_idx = strtol(map, &p, 0);
2841 if (file_idx >= nb_input_files || file_idx < 0) {
2842 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2846 /* disable some already defined maps */
2847 for (i = 0; i < nb_stream_maps; i++) {
2848 m = &stream_maps[i];
2849 if (check_stream_specifier(input_files[m->file_index].ctx,
2850 input_files[m->file_index].ctx->streams[m->stream_index],
2851 *p == ':' ? p + 1 : p) > 0)
2855 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2856 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2857 *p == ':' ? p + 1 : p) <= 0)
2859 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2860 m = &stream_maps[nb_stream_maps - 1];
2862 m->file_index = file_idx;
2863 m->stream_index = i;
2865 if (sync_file_idx >= 0) {
2866 m->sync_file_index = sync_file_idx;
2867 m->sync_stream_index = sync_stream_idx;
2869 m->sync_file_index = file_idx;
2870 m->sync_stream_index = i;
2875 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2883 static void parse_meta_type(char *arg, char *type, int *index)
2893 if (*(++arg) == ':')
2894 *index = strtol(++arg, NULL, 0);
2897 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2904 static int opt_map_metadata(const char *opt, const char *arg)
2906 MetadataMap *m, *m1;
2909 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2910 &nb_meta_data_maps, nb_meta_data_maps + 1);
2912 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2913 m->file = strtol(arg, &p, 0);
2914 parse_meta_type(p, &m->type, &m->index);
2916 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2917 if (p = strchr(opt, ':'))
2918 parse_meta_type(p, &m1->type, &m1->index);
2922 if (m->type == 'g' || m1->type == 'g')
2923 metadata_global_autocopy = 0;
2924 if (m->type == 's' || m1->type == 's')
2925 metadata_streams_autocopy = 0;
2926 if (m->type == 'c' || m1->type == 'c')
2927 metadata_chapters_autocopy = 0;
2932 static int opt_map_meta_data(const char *opt, const char *arg)
2934 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2935 "Use -map_metadata instead.\n");
2936 return opt_map_metadata(opt, arg);
2939 static int opt_input_ts_scale(const char *opt, const char *arg)
2941 return av_dict_set(&ts_scale, opt, arg, 0);
2944 static int opt_recording_time(const char *opt, const char *arg)
2946 recording_time = parse_time_or_die(opt, arg, 1);
2950 static int opt_start_time(const char *opt, const char *arg)
2952 start_time = parse_time_or_die(opt, arg, 1);
2956 static int opt_recording_timestamp(const char *opt, const char *arg)
2959 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2960 struct tm time = *gmtime((time_t*)&recording_timestamp);
2961 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2962 opt_metadata("metadata", buf);
2964 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2965 "tag instead.\n", opt);
2969 static int opt_input_ts_offset(const char *opt, const char *arg)
2971 input_ts_offset = parse_time_or_die(opt, arg, 1);
2975 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2977 const char *codec_string = encoder ? "encoder" : "decoder";
2981 return CODEC_ID_NONE;
2983 avcodec_find_encoder_by_name(name) :
2984 avcodec_find_decoder_by_name(name);
2986 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2989 if(codec->type != type) {
2990 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2996 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2998 AVDictionaryEntry *e = NULL;
2999 char *codec_name = NULL;
3002 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
3003 char *p = strchr(e->key, ':');
3005 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3006 codec_name = e->value;
3013 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3014 return avcodec_find_encoder(st->codec->codec_id);
3016 } else if (!strcmp(codec_name, "copy"))
3017 st->stream_copy = 1;
3019 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3020 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3021 avcodec_find_decoder_by_name(codec_name);
3028 * Add all the streams from the given input file to the global
3029 * list of input streams.
3031 static void add_input_streams(AVFormatContext *ic)
3033 int i, rfps, rfps_base, ret;
3035 for (i = 0; i < ic->nb_streams; i++) {
3036 AVStream *st = ic->streams[i];
3037 AVCodecContext *dec = st->codec;
3038 AVDictionaryEntry *e = NULL;
3042 dec->thread_count = thread_count;
3044 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3045 ist = &input_streams[nb_input_streams - 1];
3047 ist->file_index = nb_input_files;
3049 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3051 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3052 char *p = strchr(e->key, ':');
3054 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3060 ist->ts_scale = strtod(scale, NULL);
3062 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3064 ist->dec = avcodec_find_decoder(dec->codec_id);
3066 switch (dec->codec_type) {
3067 case AVMEDIA_TYPE_AUDIO:
3069 ist->dec = avcodec_find_decoder(dec->codec_id);
3071 st->discard= AVDISCARD_ALL;
3073 case AVMEDIA_TYPE_VIDEO:
3075 ist->dec = avcodec_find_decoder(dec->codec_id);
3076 rfps = ic->streams[i]->r_frame_rate.num;
3077 rfps_base = ic->streams[i]->r_frame_rate.den;
3079 dec->flags |= CODEC_FLAG_EMU_EDGE;
3082 dec->debug |= FF_DEBUG_MV;
3084 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3087 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3088 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3090 (float)rfps / rfps_base, rfps, rfps_base);
3094 st->discard= AVDISCARD_ALL;
3095 else if(video_discard)
3096 st->discard= video_discard;
3098 case AVMEDIA_TYPE_DATA:
3100 case AVMEDIA_TYPE_SUBTITLE:
3102 ist->dec = avcodec_find_decoder(dec->codec_id);
3103 if(subtitle_disable)
3104 st->discard = AVDISCARD_ALL;
3106 case AVMEDIA_TYPE_ATTACHMENT:
3107 case AVMEDIA_TYPE_UNKNOWN:
3115 static int opt_input_file(const char *opt, const char *filename)
3117 AVFormatContext *ic;
3118 AVInputFormat *file_iformat = NULL;
3122 AVDictionary **opts;
3123 int orig_nb_streams; // number of streams before avformat_find_stream_info
3125 if (last_asked_format) {
3126 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3127 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3130 last_asked_format = NULL;
3133 if (!strcmp(filename, "-"))
3136 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3137 !strcmp(filename, "/dev/stdin");
3139 /* get default parameters from command line */
3140 ic = avformat_alloc_context();
3142 print_error(filename, AVERROR(ENOMEM));
3145 if (audio_sample_rate) {
3146 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3147 av_dict_set(&format_opts, "sample_rate", buf, 0);
3149 if (audio_channels) {
3150 snprintf(buf, sizeof(buf), "%d", audio_channels);
3151 av_dict_set(&format_opts, "channels", buf, 0);
3153 if (frame_rate.num) {
3154 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3155 av_dict_set(&format_opts, "framerate", buf, 0);
3157 if (frame_width && frame_height) {
3158 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3159 av_dict_set(&format_opts, "video_size", buf, 0);
3161 if (frame_pix_fmt != PIX_FMT_NONE)
3162 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3164 ic->flags |= AVFMT_FLAG_NONBLOCK;
3167 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3168 ic->loop_input = loop_input;
3171 /* open the input file with generic libav function */
3172 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3174 print_error(filename, err);
3177 assert_avoptions(format_opts);
3182 for(i=0; i<ic->nb_streams; i++){
3183 ic->streams[i]->discard= AVDISCARD_ALL;
3185 for(i=0; i<ic->nb_programs; i++){
3186 AVProgram *p= ic->programs[i];
3187 if(p->id != opt_programid){
3188 p->discard = AVDISCARD_ALL;
3191 for(j=0; j<p->nb_stream_indexes; j++){
3192 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3197 fprintf(stderr, "Specified program id not found\n");
3203 /* apply forced codec ids */
3204 for (i = 0; i < ic->nb_streams; i++)
3205 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3207 /* Set AVCodecContext options for avformat_find_stream_info */
3208 opts = setup_find_stream_info_opts(ic, codec_opts);
3209 orig_nb_streams = ic->nb_streams;
3211 /* If not enough info to get the stream parameters, we decode the
3212 first frames to get it. (used in mpeg case for example) */
3213 ret = avformat_find_stream_info(ic, opts);
3214 if (ret < 0 && verbose >= 0) {
3215 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3216 av_close_input_file(ic);
3220 timestamp = start_time;
3221 /* add the stream start time */
3222 if (ic->start_time != AV_NOPTS_VALUE)
3223 timestamp += ic->start_time;
3225 /* if seeking requested, we execute it */
3226 if (start_time != 0) {
3227 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3229 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3230 filename, (double)timestamp / AV_TIME_BASE);
3232 /* reset seek info */
3236 /* update the current parameters so that they match the one of the input stream */
3237 add_input_streams(ic);
3239 /* dump the file content */
3241 av_dump_format(ic, nb_input_files, filename, 0);
3243 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3244 input_files[nb_input_files - 1].ctx = ic;
3245 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3246 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3247 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3249 top_field_first = -1;
3250 frame_rate = (AVRational){0, 0};
3251 frame_pix_fmt = PIX_FMT_NONE;
3254 audio_sample_rate = 0;
3256 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3257 av_dict_free(&ts_scale);
3258 input_ts_offset = 0;
3260 for (i = 0; i < orig_nb_streams; i++)
3261 av_dict_free(&opts[i]);
3263 av_dict_free(&codec_names);
3269 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3270 AVCodecContext *avctx)
3276 for (p = kf; *p; p++)
3279 ost->forced_kf_count = n;
3280 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3281 if (!ost->forced_kf_pts) {
3282 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3285 for (i = 0; i < n; i++) {
3286 p = i ? strchr(p, ',') + 1 : kf;
3287 t = parse_time_or_die("force_key_frames", p, 1);
3288 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3292 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3295 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3296 int idx = oc->nb_streams - 1;
3299 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3303 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3304 nb_output_streams + 1);
3305 ost = &output_streams[nb_output_streams - 1];
3306 ost->file_index = nb_output_files;
3309 st->codec->codec_type = type;
3310 ost->enc = choose_codec(oc, st, type, codec_names);
3312 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3315 avcodec_get_context_defaults3(st->codec, ost->enc);
3316 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3318 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3322 static OutputStream *new_video_stream(AVFormatContext *oc)
3326 AVCodecContext *video_enc;
3328 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3330 if (!st->stream_copy) {
3331 ost->frame_aspect_ratio = frame_aspect_ratio;
3332 frame_aspect_ratio = 0;
3334 ost->avfilter = vfilters;
3339 ost->bitstream_filters = video_bitstream_filters;
3340 video_bitstream_filters= NULL;
3342 st->codec->thread_count= thread_count;
3344 video_enc = st->codec;
3347 video_enc->codec_tag= video_codec_tag;
3349 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3350 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3353 if (st->stream_copy) {
3354 video_enc->sample_aspect_ratio =
3355 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3361 ost->frame_rate = frame_rate;
3363 video_enc->width = frame_width;
3364 video_enc->height = frame_height;
3365 video_enc->pix_fmt = frame_pix_fmt;
3366 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3367 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3370 video_enc->gop_size = 0;
3371 if (video_qscale || same_quant) {
3372 video_enc->flags |= CODEC_FLAG_QSCALE;
3373 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3377 video_enc->intra_matrix = intra_matrix;
3379 video_enc->inter_matrix = inter_matrix;
3381 p= video_rc_override_string;
3384 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3386 fprintf(stderr, "error parsing rc_override\n");
3389 video_enc->rc_override=
3390 av_realloc(video_enc->rc_override,
3391 sizeof(RcOverride)*(i+1));
3392 video_enc->rc_override[i].start_frame= start;
3393 video_enc->rc_override[i].end_frame = end;
3395 video_enc->rc_override[i].qscale= q;
3396 video_enc->rc_override[i].quality_factor= 1.0;
3399 video_enc->rc_override[i].qscale= 0;
3400 video_enc->rc_override[i].quality_factor= -q/100.0;
3405 video_enc->rc_override_count=i;
3406 if (!video_enc->rc_initial_buffer_occupancy)
3407 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3408 video_enc->me_threshold= me_threshold;
3409 video_enc->intra_dc_precision= intra_dc_precision - 8;
3412 video_enc->flags|= CODEC_FLAG_PSNR;
3417 video_enc->flags |= CODEC_FLAG_PASS1;
3419 video_enc->flags |= CODEC_FLAG_PASS2;
3423 if (forced_key_frames)
3424 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3426 if (video_language) {
3427 av_dict_set(&st->metadata, "language", video_language, 0);
3428 av_freep(&video_language);
3431 /* reset some key parameters */
3433 av_freep(&forced_key_frames);
3434 frame_pix_fmt = PIX_FMT_NONE;
3438 static OutputStream *new_audio_stream(AVFormatContext *oc)
3442 AVCodecContext *audio_enc;
3444 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3447 ost->bitstream_filters = audio_bitstream_filters;
3448 audio_bitstream_filters= NULL;
3450 st->codec->thread_count= thread_count;
3452 audio_enc = st->codec;
3453 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3456 audio_enc->codec_tag= audio_codec_tag;
3458 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3459 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3461 if (!st->stream_copy) {
3462 if (audio_qscale > QSCALE_NONE) {
3463 audio_enc->flags |= CODEC_FLAG_QSCALE;
3464 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3467 audio_enc->channels = audio_channels;
3468 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3469 audio_enc->sample_fmt = audio_sample_fmt;
3470 if (audio_sample_rate)
3471 audio_enc->sample_rate = audio_sample_rate;
3473 if (audio_language) {
3474 av_dict_set(&st->metadata, "language", audio_language, 0);
3475 av_freep(&audio_language);
3478 /* reset some key parameters */
3484 static OutputStream *new_data_stream(AVFormatContext *oc)
3488 AVCodecContext *data_enc;
3490 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3492 data_enc = st->codec;
3493 if (!st->stream_copy) {
3494 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3499 data_enc->codec_tag= data_codec_tag;
3501 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3502 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3509 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3513 AVCodecContext *subtitle_enc;
3515 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3517 subtitle_enc = st->codec;
3519 ost->bitstream_filters = subtitle_bitstream_filters;
3520 subtitle_bitstream_filters= NULL;
3522 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3524 if(subtitle_codec_tag)
3525 subtitle_enc->codec_tag= subtitle_codec_tag;
3527 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3528 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3531 if (subtitle_language) {
3532 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3533 av_freep(&subtitle_language);
3536 subtitle_disable = 0;
3540 /* arg format is "output-stream-index:streamid-value". */
3541 static int opt_streamid(const char *opt, const char *arg)
3547 av_strlcpy(idx_str, arg, sizeof(idx_str));
3548 p = strchr(idx_str, ':');
3551 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3556 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3557 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3558 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3561 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3564 AVFormatContext *ic = NULL;
3566 err = avformat_open_input(&ic, filename, NULL, NULL);
3569 /* copy stream format */
3570 for(i=0;i<ic->nb_streams;i++) {
3575 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3576 ost = new_output_stream(s, codec->type);
3579 // FIXME: a more elegant solution is needed
3580 memcpy(st, ic->streams[i], sizeof(AVStream));
3581 st->info = av_malloc(sizeof(*st->info));
3582 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3583 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3585 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3586 choose_sample_fmt(st, codec);
3587 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3588 choose_pixel_fmt(st, codec);
3591 av_close_input_file(ic);
3596 static int copy_chapters(int infile, int outfile)
3598 AVFormatContext *is = input_files[infile].ctx;
3599 AVFormatContext *os = output_files[outfile].ctx;
3602 for (i = 0; i < is->nb_chapters; i++) {
3603 AVChapter *in_ch = is->chapters[i], *out_ch;
3604 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3605 AV_TIME_BASE_Q, in_ch->time_base);
3606 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3607 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3610 if (in_ch->end < ts_off)
3612 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3615 out_ch = av_mallocz(sizeof(AVChapter));
3617 return AVERROR(ENOMEM);
3619 out_ch->id = in_ch->id;
3620 out_ch->time_base = in_ch->time_base;
3621 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3622 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3624 if (metadata_chapters_autocopy)
3625 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3628 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3630 return AVERROR(ENOMEM);
3631 os->chapters[os->nb_chapters - 1] = out_ch;
3636 static int opt_output_file(const char *opt, const char *filename)
3638 AVFormatContext *oc;
3640 AVOutputFormat *file_oformat;
3644 if (!strcmp(filename, "-"))
3647 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3648 last_asked_format = NULL;
3650 print_error(filename, err);
3653 file_oformat= oc->oformat;
3655 if (!strcmp(file_oformat->name, "ffm") &&
3656 av_strstart(filename, "http:", NULL)) {
3657 /* special case for files sent to ffserver: we get the stream
3658 parameters from ffserver */
3659 int err = read_ffserver_streams(oc, filename);
3661 print_error(filename, err);
3664 } else if (!nb_stream_maps) {
3665 /* pick the "best" stream of each type */
3666 #define NEW_STREAM(type, index)\
3668 ost = new_ ## type ## _stream(oc);\
3669 ost->source_index = index;\
3670 ost->sync_ist = &input_streams[index];\
3671 input_streams[index].discard = 0;\
3674 /* video: highest resolution */
3675 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3676 int area = 0, idx = -1;
3677 for (i = 0; i < nb_input_streams; i++) {
3678 ist = &input_streams[i];
3679 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3680 ist->st->codec->width * ist->st->codec->height > area) {
3681 area = ist->st->codec->width * ist->st->codec->height;
3685 NEW_STREAM(video, idx);
3688 /* audio: most channels */
3689 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3690 int channels = 0, idx = -1;
3691 for (i = 0; i < nb_input_streams; i++) {
3692 ist = &input_streams[i];
3693 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3694 ist->st->codec->channels > channels) {
3695 channels = ist->st->codec->channels;
3699 NEW_STREAM(audio, idx);
3702 /* subtitles: pick first */
3703 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3704 for (i = 0; i < nb_input_streams; i++)
3705 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3706 NEW_STREAM(subtitle, i);
3710 /* do something with data? */
3712 for (i = 0; i < nb_stream_maps; i++) {
3713 StreamMap *map = &stream_maps[i];
3718 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3719 switch (ist->st->codec->codec_type) {
3720 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3721 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3722 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3723 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3725 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3726 map->file_index, map->stream_index);
3730 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3731 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3732 map->sync_stream_index];
3737 av_dict_copy(&oc->metadata, metadata, 0);
3738 av_dict_free(&metadata);
3741 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3742 output_files[nb_output_files - 1].ctx = oc;
3743 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3744 output_files[nb_output_files - 1].recording_time = recording_time;
3745 output_files[nb_output_files - 1].start_time = start_time;
3746 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3747 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3749 /* check filename in case of an image number is expected */
3750 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3751 if (!av_filename_number_test(oc->filename)) {
3752 print_error(oc->filename, AVERROR(EINVAL));
3757 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3758 /* test if it already exists to avoid loosing precious files */
3759 if (!file_overwrite &&
3760 (strchr(filename, ':') == NULL ||
3761 filename[1] == ':' ||
3762 av_strstart(filename, "file:", NULL))) {
3763 if (avio_check(filename, 0) == 0) {
3765 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3767 if (!read_yesno()) {
3768 fprintf(stderr, "Not overwriting - exiting\n");
3773 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3780 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3781 print_error(filename, err);
3786 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3787 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3789 if (loop_output >= 0) {
3790 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3791 oc->loop_output = loop_output;
3795 if (chapters_input_file >= nb_input_files) {
3796 if (chapters_input_file == INT_MAX) {
3797 /* copy chapters from the first input file that has them*/
3798 chapters_input_file = -1;
3799 for (i = 0; i < nb_input_files; i++)
3800 if (input_files[i].ctx->nb_chapters) {
3801 chapters_input_file = i;
3805 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3806 chapters_input_file);
3810 if (chapters_input_file >= 0)
3811 copy_chapters(chapters_input_file, nb_output_files - 1);
3814 for (i = 0; i < nb_meta_data_maps; i++) {
3815 AVFormatContext *files[2];
3816 AVDictionary **meta[2];
3819 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3820 if ((index) < 0 || (index) >= (nb_elems)) {\
3821 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3826 int in_file_index = meta_data_maps[i][1].file;
3827 if (in_file_index < 0)
3829 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3832 files[1] = input_files[in_file_index].ctx;
3834 for (j = 0; j < 2; j++) {
3835 MetadataMap *map = &meta_data_maps[i][j];
3837 switch (map->type) {
3839 meta[j] = &files[j]->metadata;
3842 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3843 meta[j] = &files[j]->streams[map->index]->metadata;
3846 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3847 meta[j] = &files[j]->chapters[map->index]->metadata;
3850 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3851 meta[j] = &files[j]->programs[map->index]->metadata;
3856 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3859 /* copy global metadata by default */
3860 if (metadata_global_autocopy && nb_input_files)
3861 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3862 AV_DICT_DONT_OVERWRITE);
3863 if (metadata_streams_autocopy)
3864 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3865 InputStream *ist = &input_streams[output_streams[i].source_index];
3866 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3869 frame_rate = (AVRational){0, 0};
3872 audio_sample_rate = 0;
3874 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3875 chapters_input_file = INT_MAX;
3876 recording_time = INT64_MAX;
3878 limit_filesize = UINT64_MAX;
3880 av_freep(&meta_data_maps);
3881 nb_meta_data_maps = 0;
3882 metadata_global_autocopy = 1;
3883 metadata_streams_autocopy = 1;
3884 metadata_chapters_autocopy = 1;
3885 av_freep(&stream_maps);
3887 av_freep(&streamid_map);
3888 nb_streamid_map = 0;
3890 av_dict_free(&codec_names);
3892 av_freep(&forced_key_frames);
3898 /* same option as mencoder */
3899 static int opt_pass(const char *opt, const char *arg)
3901 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3905 static int64_t getutime(void)
3908 struct rusage rusage;
3910 getrusage(RUSAGE_SELF, &rusage);
3911 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3912 #elif HAVE_GETPROCESSTIMES
3914 FILETIME c, e, k, u;
3915 proc = GetCurrentProcess();
3916 GetProcessTimes(proc, &c, &e, &k, &u);
3917 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3919 return av_gettime();
3923 static int64_t getmaxrss(void)
3925 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3926 struct rusage rusage;
3927 getrusage(RUSAGE_SELF, &rusage);
3928 return (int64_t)rusage.ru_maxrss * 1024;
3929 #elif HAVE_GETPROCESSMEMORYINFO
3931 PROCESS_MEMORY_COUNTERS memcounters;
3932 proc = GetCurrentProcess();
3933 memcounters.cb = sizeof(memcounters);
3934 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3935 return memcounters.PeakPagefileUsage;
3941 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3944 const char *p = str;
3951 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3958 static int opt_inter_matrix(const char *opt, const char *arg)
3960 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3961 parse_matrix_coeffs(inter_matrix, arg);
3965 static int opt_intra_matrix(const char *opt, const char *arg)
3967 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3968 parse_matrix_coeffs(intra_matrix, arg);
3972 static void show_usage(void)
3974 printf("Hyper fast Audio and Video encoder\n");
3975 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3979 static int opt_help(const char *opt, const char *arg)
3982 AVOutputFormat *oformat = NULL;
3983 AVInputFormat *iformat = NULL;
3985 av_log_set_callback(log_callback_help);
3987 show_help_options(options, "Main options:\n",
3988 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3989 show_help_options(options, "\nAdvanced options:\n",
3990 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3992 show_help_options(options, "\nVideo options:\n",
3993 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3995 show_help_options(options, "\nAdvanced Video options:\n",
3996 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3997 OPT_VIDEO | OPT_EXPERT);
3998 show_help_options(options, "\nAudio options:\n",
3999 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4001 show_help_options(options, "\nAdvanced Audio options:\n",
4002 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4003 OPT_AUDIO | OPT_EXPERT);
4004 show_help_options(options, "\nSubtitle options:\n",
4005 OPT_SUBTITLE | OPT_GRAB,
4007 show_help_options(options, "\nAudio/Video grab options:\n",
4011 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4014 /* individual codec options */
4016 while ((c = av_codec_next(c))) {
4017 if (c->priv_class) {
4018 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4023 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4026 /* individual muxer options */
4027 while ((oformat = av_oformat_next(oformat))) {
4028 if (oformat->priv_class) {
4029 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4034 /* individual demuxer options */
4035 while ((iformat = av_iformat_next(iformat))) {
4036 if (iformat->priv_class) {
4037 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4042 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4046 static int opt_target(const char *opt, const char *arg)
4048 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4049 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4051 if(!strncmp(arg, "pal-", 4)) {
4054 } else if(!strncmp(arg, "ntsc-", 5)) {
4057 } else if(!strncmp(arg, "film-", 5)) {
4062 /* Calculate FR via float to avoid int overflow */
4063 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4066 } else if((fr == 29970) || (fr == 23976)) {
4069 /* Try to determine PAL/NTSC by peeking in the input files */
4070 if(nb_input_files) {
4072 for (j = 0; j < nb_input_files; j++) {
4073 for (i = 0; i < input_files[j].nb_streams; i++) {
4074 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4075 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4077 fr = c->time_base.den * 1000 / c->time_base.num;
4081 } else if((fr == 29970) || (fr == 23976)) {
4091 if(verbose > 0 && norm != UNKNOWN)
4092 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4095 if(norm == UNKNOWN) {
4096 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4097 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4098 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4102 if(!strcmp(arg, "vcd")) {
4103 opt_codec("c:v", "mpeg1video");
4104 opt_codec("c:a", "mp2");
4105 opt_format("f", "vcd");
4107 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4108 opt_frame_rate("r", frame_rates[norm]);
4109 opt_default("g", norm == PAL ? "15" : "18");
4111 opt_default("b", "1150000");
4112 opt_default("maxrate", "1150000");
4113 opt_default("minrate", "1150000");
4114 opt_default("bufsize", "327680"); // 40*1024*8;
4116 opt_default("b:a", "224000");
4117 audio_sample_rate = 44100;
4120 opt_default("packetsize", "2324");
4121 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4123 /* We have to offset the PTS, so that it is consistent with the SCR.
4124 SCR starts at 36000, but the first two packs contain only padding
4125 and the first pack from the other stream, respectively, may also have
4126 been written before.
4127 So the real data starts at SCR 36000+3*1200. */
4128 mux_preload= (36000+3*1200) / 90000.0; //0.44
4129 } else if(!strcmp(arg, "svcd")) {
4131 opt_codec("c:v", "mpeg2video");
4132 opt_codec("c:a", "mp2");
4133 opt_format("f", "svcd");
4135 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4136 opt_frame_rate("r", frame_rates[norm]);
4137 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4138 opt_default("g", norm == PAL ? "15" : "18");
4140 opt_default("b", "2040000");
4141 opt_default("maxrate", "2516000");
4142 opt_default("minrate", "0"); //1145000;
4143 opt_default("bufsize", "1835008"); //224*1024*8;
4144 opt_default("flags", "+scan_offset");
4147 opt_default("b:a", "224000");
4148 audio_sample_rate = 44100;
4150 opt_default("packetsize", "2324");
4152 } else if(!strcmp(arg, "dvd")) {
4154 opt_codec("c:v", "mpeg2video");
4155 opt_codec("c:a", "ac3");
4156 opt_format("f", "dvd");
4158 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4159 opt_frame_rate("r", frame_rates[norm]);
4160 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4161 opt_default("g", norm == PAL ? "15" : "18");
4163 opt_default("b", "6000000");
4164 opt_default("maxrate", "9000000");
4165 opt_default("minrate", "0"); //1500000;
4166 opt_default("bufsize", "1835008"); //224*1024*8;
4168 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4169 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4171 opt_default("b:a", "448000");
4172 audio_sample_rate = 48000;
4174 } else if(!strncmp(arg, "dv", 2)) {
4176 opt_format("f", "dv");
4178 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4179 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4180 norm == PAL ? "yuv420p" : "yuv411p");
4181 opt_frame_rate("r", frame_rates[norm]);
4183 audio_sample_rate = 48000;
4187 fprintf(stderr, "Unknown target: %s\n", arg);
4188 return AVERROR(EINVAL);
4193 static int opt_vstats_file(const char *opt, const char *arg)
4195 av_free (vstats_filename);
4196 vstats_filename=av_strdup (arg);
4200 static int opt_vstats(const char *opt, const char *arg)
4203 time_t today2 = time(NULL);
4204 struct tm *today = localtime(&today2);
4206 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4208 return opt_vstats_file(opt, filename);
4211 static int opt_bsf(const char *opt, const char *arg)
4213 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4214 AVBitStreamFilterContext **bsfp;
4217 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4221 bsfp= *opt == 'v' ? &video_bitstream_filters :
4222 *opt == 'a' ? &audio_bitstream_filters :
4223 &subtitle_bitstream_filters;
4225 bsfp= &(*bsfp)->next;
4232 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4236 static int opt_passlogfile(const char *opt, const char *arg)
4238 pass_logfilename_prefix = arg;
4239 #if CONFIG_LIBX264_ENCODER
4240 return opt_default("passlogfile", arg);
4246 static const OptionDef options[] = {
4248 #include "cmdutils_common_opts.h"
4249 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4250 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4251 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4252 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4253 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4254 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4255 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4256 "outfile[,metadata]:infile[,metadata]" },
4257 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4258 "outfile[,metadata]:infile[,metadata]" },
4259 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4260 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4261 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4262 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4263 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4264 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4265 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4266 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4267 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4268 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4269 "add timings for benchmarking" },
4270 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4271 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4272 "dump each input packet" },
4273 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4274 "when dumping packets, also dump the payload" },
4275 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4276 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4277 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4278 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4279 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4280 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4281 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4282 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4283 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4284 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4285 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4286 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4287 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4288 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4289 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4290 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4293 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4294 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4295 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4296 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4297 { "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" },
4298 { "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" },
4299 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4300 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4301 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4302 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4303 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4304 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4305 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4306 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4307 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4308 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4309 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4310 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4311 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4312 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4313 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4314 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4315 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4316 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4317 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4318 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4319 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4320 "deinterlace pictures" },
4321 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4322 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4323 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4325 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4327 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4328 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4329 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4330 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4331 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4332 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4333 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4334 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4335 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4336 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4339 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4340 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4341 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4342 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4343 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4344 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4345 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4346 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4347 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4348 { "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" },
4350 /* subtitle options */
4351 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4352 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4353 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4354 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4357 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4358 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4359 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4362 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4363 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4365 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4366 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4367 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4369 /* data codec support */
4370 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4372 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4376 int main(int argc, char **argv)
4380 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4382 if(argc>1 && !strcmp(argv[1], "-d")){
4385 av_log_set_callback(log_callback_null);
4390 avcodec_register_all();
4392 avdevice_register_all();
4395 avfilter_register_all();
4400 if(isatty(STDIN_FILENO))
4401 avio_set_interrupt_cb(decode_interrupt_cb);
4410 parse_options(argc, argv, options, opt_output_file);
4412 if(nb_output_files <= 0 && nb_input_files == 0) {
4414 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4418 /* file converter / grab */
4419 if (nb_output_files <= 0) {
4420 fprintf(stderr, "At least one output file must be specified\n");
4424 if (nb_input_files == 0) {
4425 fprintf(stderr, "At least one input file must be specified\n");
4430 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4432 ti = getutime() - ti;
4434 int maxrss = getmaxrss() / 1024;
4435 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4438 return exit_program(0);