3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; 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"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
86 int sync_stream_index;
90 * select an input file for an output file
92 typedef struct MetadataMap {
93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
98 static const OptionDef options[];
100 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
109 static AVRational frame_rate;
110 static float video_qscale = 0;
111 static uint16_t *intra_matrix = NULL;
112 static uint16_t *inter_matrix = NULL;
113 static const char *video_rc_override_string=NULL;
114 static int video_disable = 0;
115 static int video_discard = 0;
116 static unsigned int video_codec_tag = 0;
117 static char *video_language = NULL;
118 static int same_quant = 0;
119 static int do_deinterlace = 0;
120 static int top_field_first = -1;
121 static int me_threshold = 0;
122 static int intra_dc_precision = 8;
123 static int qp_hist = 0;
125 static char *vfilters = NULL;
128 static int audio_sample_rate = 0;
129 #define QSCALE_NONE -99999
130 static float audio_qscale = QSCALE_NONE;
131 static int audio_disable = 0;
132 static int audio_channels = 0;
133 static unsigned int audio_codec_tag = 0;
134 static char *audio_language = NULL;
136 static int subtitle_disable = 0;
137 static char *subtitle_language = NULL;
138 static unsigned int subtitle_codec_tag = 0;
140 static int data_disable = 0;
141 static unsigned int data_codec_tag = 0;
143 static float mux_preload= 0.5;
144 static float mux_max_delay= 0.7;
146 static int file_overwrite = 0;
147 static int do_benchmark = 0;
148 static int do_hex_dump = 0;
149 static int do_pkt_dump = 0;
150 static int do_psnr = 0;
151 static int do_pass = 0;
152 static char *pass_logfilename_prefix = NULL;
153 static int video_sync_method= -1;
154 static int audio_sync_method= 0;
155 static float audio_drift_threshold= 0.1;
156 static int copy_ts= 0;
158 static int opt_shortest = 0;
159 static char *vstats_filename;
160 static FILE *vstats_file;
161 static int opt_programid = 0;
162 static int copy_initial_nonkeyframes = 0;
164 static int audio_volume = 256;
166 static int exit_on_error = 0;
167 static int using_stdin = 0;
168 static int verbose = 1;
169 static int64_t video_size = 0;
170 static int64_t audio_size = 0;
171 static int64_t extra_size = 0;
172 static int nb_frames_dup = 0;
173 static int nb_frames_drop = 0;
174 static int input_sync;
175 static int force_fps = 0;
176 static char *forced_key_frames = NULL;
178 static float dts_delta_threshold = 10;
180 static uint8_t *audio_buf;
181 static uint8_t *audio_out;
182 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
184 static short *samples;
186 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
187 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
188 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
190 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
192 typedef struct InputStream {
195 int discard; /* true if stream data should be discarded */
196 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
199 int64_t start; /* time when read started */
200 int64_t next_pts; /* synthetic pts for cases where pkt.pts
202 int64_t pts; /* current pts */
203 PtsCorrectionContext pts_ctx;
205 int is_start; /* is 1 at the start and after a discontinuity */
206 int showed_multi_packet_warning;
210 typedef struct InputFile {
211 AVFormatContext *ctx;
212 int eof_reached; /* true if eof reached */
213 int ist_index; /* index of first stream in ist_table */
214 int buffer_size; /* current total buffer size */
216 int nb_streams; /* number of stream that avconv is aware of; may be different
217 from ctx.nb_streams if new streams appear during av_read_frame() */
221 typedef struct OutputStream {
222 int file_index; /* file index */
223 int index; /* stream index in the output file */
224 int source_index; /* InputStream index */
225 AVStream *st; /* stream in the output file */
226 int encoding_needed; /* true if encoding needed for this stream */
228 /* input pts and corresponding output pts
230 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
231 struct InputStream *sync_ist; /* input stream to sync against */
232 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
233 AVBitStreamFilterContext *bitstream_filters;
239 AVFrame pict_tmp; /* temporary image for resampling */
240 struct SwsContext *img_resample_ctx; /* for image resampling */
243 int resample_pix_fmt;
244 AVRational frame_rate;
246 float frame_aspect_ratio;
248 /* forced key frames */
249 int64_t *forced_kf_pts;
255 ReSampleContext *resample; /* for audio resampling */
256 int resample_sample_fmt;
257 int resample_channels;
258 int resample_sample_rate;
260 AVAudioConvert *reformat_ctx;
261 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
265 AVFilterContext *output_video_filter;
266 AVFilterContext *input_video_filter;
267 AVFilterBufferRef *picref;
269 AVFilterGraph *graph;
274 int is_past_recording_time;
278 typedef struct OutputFile {
279 AVFormatContext *ctx;
281 int ost_index; /* index of the first stream in output_streams */
282 int64_t recording_time; /* desired length of the resulting file in microseconds */
283 int64_t start_time; /* start time in microseconds */
284 uint64_t limit_filesize;
287 static InputStream *input_streams = NULL;
288 static int nb_input_streams = 0;
289 static InputFile *input_files = NULL;
290 static int nb_input_files = 0;
292 static OutputStream *output_streams = NULL;
293 static int nb_output_streams = 0;
294 static OutputFile *output_files = NULL;
295 static int nb_output_files = 0;
297 typedef struct OptionsContext {
298 /* input/output options */
302 SpecifierOpt *codec_names;
306 int64_t input_ts_offset;
309 SpecifierOpt *ts_scale;
313 StreamMap *stream_maps;
315 /* first item specifies output metadata, second is input */
316 MetadataMap (*meta_data_maps)[2];
317 int nb_meta_data_maps;
318 int metadata_global_manual;
319 int metadata_streams_manual;
320 int metadata_chapters_manual;
322 int chapters_input_file;
324 int64_t recording_time;
325 uint64_t limit_filesize;
327 SpecifierOpt *metadata;
329 SpecifierOpt *max_frames;
333 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
336 for (i = 0; i < o->nb_ ## name; i++) {\
337 char *spec = o->name[i].specifier;\
338 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
339 outvar = o->name[i].u.type;\
345 static void reset_options(OptionsContext *o)
347 const OptionDef *po = options;
349 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
351 void *dst = (uint8_t*)o + po->u.off;
353 if (po->flags & OPT_SPEC) {
354 SpecifierOpt **so = dst;
355 int i, *count = (int*)(so + 1);
356 for (i = 0; i < *count; i++) {
357 av_freep(&(*so)[i].specifier);
358 if (po->flags & OPT_STRING)
359 av_freep(&(*so)[i].u.str);
363 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
368 av_freep(&o->stream_maps);
369 av_freep(&o->meta_data_maps);
371 memset(o, 0, sizeof(*o));
373 o->recording_time = INT64_MAX;
374 o->limit_filesize = UINT64_MAX;
375 o->chapters_input_file = INT_MAX;
383 static int configure_video_filters(InputStream *ist, OutputStream *ost)
385 AVFilterContext *last_filter, *filter;
386 /** filter graph containing all filters including input & output */
387 AVCodecContext *codec = ost->st->codec;
388 AVCodecContext *icodec = ist->st->codec;
389 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
390 AVRational sample_aspect_ratio;
394 ost->graph = avfilter_graph_alloc();
396 if (ist->st->sample_aspect_ratio.num){
397 sample_aspect_ratio = ist->st->sample_aspect_ratio;
399 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
401 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
402 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
403 sample_aspect_ratio.num, sample_aspect_ratio.den);
405 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
406 "src", args, NULL, ost->graph);
409 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
410 "out", NULL, &ffsink_ctx, ost->graph);
413 last_filter = ost->input_video_filter;
415 if (codec->width != icodec->width || codec->height != icodec->height) {
416 snprintf(args, 255, "%d:%d:flags=0x%X",
420 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
421 NULL, args, NULL, ost->graph)) < 0)
423 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
425 last_filter = filter;
428 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
429 ost->graph->scale_sws_opts = av_strdup(args);
432 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
433 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
435 outputs->name = av_strdup("in");
436 outputs->filter_ctx = last_filter;
437 outputs->pad_idx = 0;
438 outputs->next = NULL;
440 inputs->name = av_strdup("out");
441 inputs->filter_ctx = ost->output_video_filter;
445 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
447 av_freep(&ost->avfilter);
449 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
453 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
456 codec->width = ost->output_video_filter->inputs[0]->w;
457 codec->height = ost->output_video_filter->inputs[0]->h;
458 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
459 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
460 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
461 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
465 #endif /* CONFIG_AVFILTER */
467 static void term_exit(void)
469 av_log(NULL, AV_LOG_QUIET, "");
472 static volatile int received_sigterm = 0;
473 static volatile int received_nb_signals = 0;
476 sigterm_handler(int sig)
478 received_sigterm = sig;
479 received_nb_signals++;
483 static void term_init(void)
485 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
486 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
488 signal(SIGXCPU, sigterm_handler);
492 static int decode_interrupt_cb(void)
494 return received_nb_signals > 1;
497 void exit_program(int ret)
502 for(i=0;i<nb_output_files;i++) {
503 AVFormatContext *s = output_files[i].ctx;
504 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
506 avformat_free_context(s);
507 av_dict_free(&output_files[i].opts);
509 for(i=0;i<nb_input_files;i++) {
510 av_close_input_file(input_files[i].ctx);
512 for (i = 0; i < nb_input_streams; i++)
513 av_dict_free(&input_streams[i].opts);
515 av_free(intra_matrix);
516 av_free(inter_matrix);
520 av_free(vstats_filename);
522 av_freep(&input_streams);
523 av_freep(&input_files);
524 av_freep(&output_streams);
525 av_freep(&output_files);
530 allocated_audio_buf_size= allocated_audio_out_size= 0;
537 if (received_sigterm) {
539 "Received signal %d: terminating.\n",
540 (int) received_sigterm);
544 exit(ret); /* not all OS-es handle main() return value */
547 static void assert_avoptions(AVDictionary *m)
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
556 static void assert_codec_experimental(AVCodecContext *c, int encoder)
558 const char *codec_string = encoder ? "encoder" : "decoder";
560 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
561 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
562 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
563 "results.\nAdd '-strict experimental' if you want to use it.\n",
564 codec_string, c->codec->name);
565 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
566 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
567 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
568 codec_string, codec->name);
573 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
575 if(codec && codec->sample_fmts){
576 const enum AVSampleFormat *p= codec->sample_fmts;
578 if(*p == st->codec->sample_fmt)
582 av_log(NULL, AV_LOG_WARNING,
583 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
584 av_get_sample_fmt_name(st->codec->sample_fmt),
586 av_get_sample_fmt_name(codec->sample_fmts[0]));
587 st->codec->sample_fmt = codec->sample_fmts[0];
593 * Update the requested input sample format based on the output sample format.
594 * This is currently only used to request float output from decoders which
595 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
596 * Ideally this will be removed in the future when decoders do not do format
597 * conversion and only output in their native format.
599 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
602 /* if sample formats match or a decoder sample format has already been
603 requested, just return */
604 if (enc->sample_fmt == dec->sample_fmt ||
605 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
608 /* if decoder supports more than one output format */
609 if (dec_codec && dec_codec->sample_fmts &&
610 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
611 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
612 const enum AVSampleFormat *p;
613 int min_dec = -1, min_inc = -1;
615 /* find a matching sample format in the encoder */
616 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
617 if (*p == enc->sample_fmt) {
618 dec->request_sample_fmt = *p;
620 } else if (*p > enc->sample_fmt) {
621 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
623 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
626 /* if none match, provide the one that matches quality closest */
627 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
628 enc->sample_fmt - min_dec;
632 static void choose_sample_rate(AVStream *st, AVCodec *codec)
634 if(codec && codec->supported_samplerates){
635 const int *p= codec->supported_samplerates;
637 int best_dist=INT_MAX;
639 int dist= abs(st->codec->sample_rate - *p);
640 if(dist < best_dist){
646 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
648 st->codec->sample_rate= best;
652 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
654 if(codec && codec->pix_fmts){
655 const enum PixelFormat *p= codec->pix_fmts;
656 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
657 if(st->codec->codec_id==CODEC_ID_MJPEG){
658 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
659 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
660 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};
664 if(*p == st->codec->pix_fmt)
668 if(st->codec->pix_fmt != PIX_FMT_NONE)
669 av_log(NULL, AV_LOG_WARNING,
670 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
671 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
673 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
674 st->codec->pix_fmt = codec->pix_fmts[0];
680 get_sync_ipts(const OutputStream *ost)
682 const InputStream *ist = ost->sync_ist;
683 OutputFile *of = &output_files[ost->file_index];
684 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
687 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
691 AVPacket new_pkt= *pkt;
692 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
693 &new_pkt.data, &new_pkt.size,
694 pkt->data, pkt->size,
695 pkt->flags & AV_PKT_FLAG_KEY);
698 new_pkt.destruct= av_destruct_packet;
700 fprintf(stderr, "%s failed for stream %d, codec %s",
701 bsfc->filter->name, pkt->stream_index,
702 avctx->codec ? avctx->codec->name : "copy");
712 ret= av_interleaved_write_frame(s, pkt);
714 print_error("av_interleaved_write_frame()", ret);
719 static void do_audio_out(AVFormatContext *s,
722 unsigned char *buf, int size)
725 int64_t audio_out_size, audio_buf_size;
726 int64_t allocated_for_size= size;
728 int size_out, frame_bytes, ret, resample_changed;
729 AVCodecContext *enc= ost->st->codec;
730 AVCodecContext *dec= ist->st->codec;
731 int osize = av_get_bytes_per_sample(enc->sample_fmt);
732 int isize = av_get_bytes_per_sample(dec->sample_fmt);
733 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
736 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
737 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
738 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
739 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
740 audio_buf_size*= osize*enc->channels;
742 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
743 if(coded_bps > 8*osize)
744 audio_out_size= audio_out_size * coded_bps / (8*osize);
745 audio_out_size += FF_MIN_BUFFER_SIZE;
747 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
748 fprintf(stderr, "Buffer sizes too large\n");
752 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
753 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
754 if (!audio_buf || !audio_out){
755 fprintf(stderr, "Out of memory in do_audio_out\n");
759 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
760 ost->audio_resample = 1;
762 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
763 ost->resample_channels != dec->channels ||
764 ost->resample_sample_rate != dec->sample_rate;
766 if ((ost->audio_resample && !ost->resample) || resample_changed) {
767 if (resample_changed) {
768 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",
769 ist->file_index, ist->st->index,
770 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
771 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
772 ost->resample_sample_fmt = dec->sample_fmt;
773 ost->resample_channels = dec->channels;
774 ost->resample_sample_rate = dec->sample_rate;
776 audio_resample_close(ost->resample);
778 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
779 if (audio_sync_method <= 1 &&
780 ost->resample_sample_fmt == enc->sample_fmt &&
781 ost->resample_channels == enc->channels &&
782 ost->resample_sample_rate == enc->sample_rate) {
783 ost->resample = NULL;
784 ost->audio_resample = 0;
785 } else if (ost->audio_resample) {
786 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
787 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
788 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
789 enc->sample_rate, dec->sample_rate,
790 enc->sample_fmt, dec->sample_fmt,
792 if (!ost->resample) {
793 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
794 dec->channels, dec->sample_rate,
795 enc->channels, enc->sample_rate);
801 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
802 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
803 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
804 if (ost->reformat_ctx)
805 av_audio_convert_free(ost->reformat_ctx);
806 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
807 dec->sample_fmt, 1, NULL, 0);
808 if (!ost->reformat_ctx) {
809 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
810 av_get_sample_fmt_name(dec->sample_fmt),
811 av_get_sample_fmt_name(enc->sample_fmt));
814 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
817 if(audio_sync_method){
818 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
819 - av_fifo_size(ost->fifo)/(enc->channels * 2);
820 double idelta= delta*dec->sample_rate / enc->sample_rate;
821 int byte_delta= ((int)idelta)*2*dec->channels;
823 //FIXME resample delay
824 if(fabs(delta) > 50){
825 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
827 byte_delta= FFMAX(byte_delta, -size);
831 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
836 static uint8_t *input_tmp= NULL;
837 input_tmp= av_realloc(input_tmp, byte_delta + size);
839 if(byte_delta > allocated_for_size - size){
840 allocated_for_size= byte_delta + (int64_t)size;
845 memset(input_tmp, 0, byte_delta);
846 memcpy(input_tmp + byte_delta, buf, size);
850 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
852 }else if(audio_sync_method>1){
853 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
854 av_assert0(ost->audio_resample);
856 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
857 // 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));
858 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
862 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
863 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
865 if (ost->audio_resample) {
867 size_out = audio_resample(ost->resample,
868 (short *)buftmp, (short *)buf,
869 size / (dec->channels * isize));
870 size_out = size_out * enc->channels * osize;
876 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
877 const void *ibuf[6]= {buftmp};
878 void *obuf[6]= {audio_buf};
879 int istride[6]= {isize};
880 int ostride[6]= {osize};
881 int len= size_out/istride[0];
882 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
883 printf("av_audio_convert() failed\n");
889 size_out = len*osize;
892 /* now encode as many frames as possible */
893 if (enc->frame_size > 1) {
894 /* output resampled raw samples */
895 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
896 fprintf(stderr, "av_fifo_realloc2() failed\n");
899 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
901 frame_bytes = enc->frame_size * osize * enc->channels;
903 while (av_fifo_size(ost->fifo) >= frame_bytes) {
905 av_init_packet(&pkt);
907 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
909 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
911 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
914 fprintf(stderr, "Audio encoding failed\n");
918 pkt.stream_index= ost->index;
921 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
922 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
923 pkt.flags |= AV_PKT_FLAG_KEY;
924 write_frame(s, &pkt, enc, ost->bitstream_filters);
926 ost->sync_opts += enc->frame_size;
930 av_init_packet(&pkt);
932 ost->sync_opts += size_out / (osize * enc->channels);
934 /* output a pcm frame */
935 /* determine the size of the coded buffer */
938 size_out = size_out*coded_bps/8;
940 if(size_out > audio_out_size){
941 fprintf(stderr, "Internal error, buffer size too small\n");
945 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
946 ret = avcodec_encode_audio(enc, audio_out, size_out,
949 fprintf(stderr, "Audio encoding failed\n");
953 pkt.stream_index= ost->index;
956 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
957 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
958 pkt.flags |= AV_PKT_FLAG_KEY;
959 write_frame(s, &pkt, enc, ost->bitstream_filters);
963 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
967 AVPicture picture_tmp;
970 dec = ist->st->codec;
972 /* deinterlace : must be done before any resize */
973 if (do_deinterlace) {
976 /* create temporary picture */
977 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
978 buf = av_malloc(size);
982 picture2 = &picture_tmp;
983 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
985 if(avpicture_deinterlace(picture2, picture,
986 dec->pix_fmt, dec->width, dec->height) < 0) {
987 /* if error, do not deinterlace */
988 fprintf(stderr, "Deinterlacing failed\n");
997 if (picture != picture2)
998 *picture = *picture2;
1002 static void do_subtitle_out(AVFormatContext *s,
1008 static uint8_t *subtitle_out = NULL;
1009 int subtitle_out_max_size = 1024 * 1024;
1010 int subtitle_out_size, nb, i;
1011 AVCodecContext *enc;
1014 if (pts == AV_NOPTS_VALUE) {
1015 fprintf(stderr, "Subtitle packets must have a pts\n");
1021 enc = ost->st->codec;
1023 if (!subtitle_out) {
1024 subtitle_out = av_malloc(subtitle_out_max_size);
1027 /* Note: DVB subtitle need one packet to draw them and one other
1028 packet to clear them */
1029 /* XXX: signal it in the codec context ? */
1030 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1035 for(i = 0; i < nb; i++) {
1036 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1037 // start_display_time is required to be 0
1038 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1039 sub->end_display_time -= sub->start_display_time;
1040 sub->start_display_time = 0;
1041 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1042 subtitle_out_max_size, sub);
1043 if (subtitle_out_size < 0) {
1044 fprintf(stderr, "Subtitle encoding failed\n");
1048 av_init_packet(&pkt);
1049 pkt.stream_index = ost->index;
1050 pkt.data = subtitle_out;
1051 pkt.size = subtitle_out_size;
1052 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1053 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1054 /* XXX: the pts correction is handled here. Maybe handling
1055 it in the codec would be better */
1057 pkt.pts += 90 * sub->start_display_time;
1059 pkt.pts += 90 * sub->end_display_time;
1061 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1065 static int bit_buffer_size= 1024*256;
1066 static uint8_t *bit_buffer= NULL;
1068 static void do_video_resample(OutputStream *ost,
1070 AVFrame *in_picture,
1071 AVFrame **out_picture)
1073 int resample_changed = 0;
1074 AVCodecContext *dec = ist->st->codec;
1075 *out_picture = in_picture;
1077 resample_changed = ost->resample_width != dec->width ||
1078 ost->resample_height != dec->height ||
1079 ost->resample_pix_fmt != dec->pix_fmt;
1081 if (resample_changed) {
1082 av_log(NULL, AV_LOG_INFO,
1083 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1084 ist->file_index, ist->st->index,
1085 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1086 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1087 if(!ost->video_resample)
1088 ost->video_resample = 1;
1091 #if !CONFIG_AVFILTER
1092 if (ost->video_resample) {
1093 *out_picture = &ost->pict_tmp;
1094 if (resample_changed) {
1095 /* initialize a new scaler context */
1096 sws_freeContext(ost->img_resample_ctx);
1097 ost->img_resample_ctx = sws_getContext(
1098 ist->st->codec->width,
1099 ist->st->codec->height,
1100 ist->st->codec->pix_fmt,
1101 ost->st->codec->width,
1102 ost->st->codec->height,
1103 ost->st->codec->pix_fmt,
1104 ost->sws_flags, NULL, NULL, NULL);
1105 if (ost->img_resample_ctx == NULL) {
1106 fprintf(stderr, "Cannot get resampling context\n");
1110 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1111 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1114 if (resample_changed) {
1115 avfilter_graph_free(&ost->graph);
1116 if (configure_video_filters(ist, ost)) {
1117 fprintf(stderr, "Error reinitializing filters!\n");
1122 if (resample_changed) {
1123 ost->resample_width = dec->width;
1124 ost->resample_height = dec->height;
1125 ost->resample_pix_fmt = dec->pix_fmt;
1130 static void do_video_out(AVFormatContext *s,
1133 AVFrame *in_picture,
1134 int *frame_size, float quality)
1136 int nb_frames, i, ret, format_video_sync;
1137 AVFrame *final_picture;
1138 AVCodecContext *enc;
1141 enc = ost->st->codec;
1143 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1145 /* by default, we output a single frame */
1150 format_video_sync = video_sync_method;
1151 if (format_video_sync < 0)
1152 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1154 if (format_video_sync) {
1155 double vdelta = sync_ipts - ost->sync_opts;
1156 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1159 else if (format_video_sync == 2) {
1162 }else if(vdelta>0.6)
1163 ost->sync_opts= lrintf(sync_ipts);
1164 }else if (vdelta > 1.1)
1165 nb_frames = lrintf(vdelta);
1166 //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);
1167 if (nb_frames == 0){
1170 fprintf(stderr, "*** drop!\n");
1171 }else if (nb_frames > 1) {
1172 nb_frames_dup += nb_frames - 1;
1174 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1177 ost->sync_opts= lrintf(sync_ipts);
1179 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1183 do_video_resample(ost, ist, in_picture, &final_picture);
1185 /* duplicates frame if needed */
1186 for(i=0;i<nb_frames;i++) {
1188 av_init_packet(&pkt);
1189 pkt.stream_index= ost->index;
1191 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1192 /* raw pictures are written as AVPicture structure to
1193 avoid any copies. We support temporarily the older
1195 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1196 enc->coded_frame->top_field_first = in_picture->top_field_first;
1197 pkt.data= (uint8_t *)final_picture;
1198 pkt.size= sizeof(AVPicture);
1199 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1200 pkt.flags |= AV_PKT_FLAG_KEY;
1202 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1204 AVFrame big_picture;
1206 big_picture= *final_picture;
1207 /* better than nothing: use input picture interlaced
1209 big_picture.interlaced_frame = in_picture->interlaced_frame;
1210 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1211 if(top_field_first == -1)
1212 big_picture.top_field_first = in_picture->top_field_first;
1214 big_picture.top_field_first = top_field_first;
1217 /* handles same_quant here. This is not correct because it may
1218 not be a global option */
1219 big_picture.quality = quality;
1221 big_picture.pict_type = 0;
1222 // big_picture.pts = AV_NOPTS_VALUE;
1223 big_picture.pts= ost->sync_opts;
1224 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1225 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1226 if (ost->forced_kf_index < ost->forced_kf_count &&
1227 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1228 big_picture.pict_type = AV_PICTURE_TYPE_I;
1229 ost->forced_kf_index++;
1231 ret = avcodec_encode_video(enc,
1232 bit_buffer, bit_buffer_size,
1235 fprintf(stderr, "Video encoding failed\n");
1240 pkt.data= bit_buffer;
1242 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1243 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1244 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1245 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1246 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1248 if(enc->coded_frame->key_frame)
1249 pkt.flags |= AV_PKT_FLAG_KEY;
1250 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1253 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1254 // enc->frame_number-1, ret, enc->pict_type);
1255 /* if two pass, output log */
1256 if (ost->logfile && enc->stats_out) {
1257 fprintf(ost->logfile, "%s", enc->stats_out);
1262 ost->frame_number++;
1266 static double psnr(double d){
1267 return -10.0*log(d)/log(10.0);
1270 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1273 AVCodecContext *enc;
1275 double ti1, bitrate, avg_bitrate;
1277 /* this is executed just the first time do_video_stats is called */
1279 vstats_file = fopen(vstats_filename, "w");
1286 enc = ost->st->codec;
1287 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1288 frame_number = ost->frame_number;
1289 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1290 if (enc->flags&CODEC_FLAG_PSNR)
1291 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1293 fprintf(vstats_file,"f_size= %6d ", frame_size);
1294 /* compute pts value */
1295 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1299 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1300 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1301 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1302 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1303 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1307 static void print_report(OutputFile *output_files,
1308 OutputStream *ost_table, int nb_ostreams,
1309 int is_last_report, int64_t timer_start)
1313 AVFormatContext *oc;
1315 AVCodecContext *enc;
1316 int frame_number, vid, i;
1317 double bitrate, ti1, pts;
1318 static int64_t last_time = -1;
1319 static int qp_histogram[52];
1321 if (!is_last_report) {
1323 /* display the report every 0.5 seconds */
1324 cur_time = av_gettime();
1325 if (last_time == -1) {
1326 last_time = cur_time;
1329 if ((cur_time - last_time) < 500000)
1331 last_time = cur_time;
1335 oc = output_files[0].ctx;
1337 total_size = avio_size(oc->pb);
1338 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1339 total_size= avio_tell(oc->pb);
1344 for(i=0;i<nb_ostreams;i++) {
1346 ost = &ost_table[i];
1347 enc = ost->st->codec;
1348 if (!ost->st->stream_copy && enc->coded_frame)
1349 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1350 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1353 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 float t = (av_gettime()-timer_start) / 1000000.0;
1356 frame_number = ost->frame_number;
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1358 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1364 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1369 if (enc->flags&CODEC_FLAG_PSNR){
1371 double error, error_sum=0;
1372 double scale, scale_sum=0;
1373 char type[3]= {'Y','U','V'};
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1377 error= enc->error[j];
1378 scale= enc->width*enc->height*255.0*255.0*frame_number;
1380 error= enc->coded_frame->error[j];
1381 scale= enc->width*enc->height*255.0*255.0;
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1392 /* compute min output value */
1393 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1394 if ((pts < ti1) && (pts > 0))
1400 if (verbose > 0 || is_last_report) {
1401 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1404 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1405 (double)total_size / 1024, ti1, bitrate);
1407 if (nb_frames_dup || nb_frames_drop)
1408 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1409 nb_frames_dup, nb_frames_drop);
1412 fprintf(stderr, "%s \r", buf);
1417 if (is_last_report && verbose >= 0){
1418 int64_t raw= audio_size + video_size + extra_size;
1419 fprintf(stderr, "\n");
1420 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1424 100.0*(total_size - raw)/raw
1429 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1431 int fill_char = 0x00;
1432 if (sample_fmt == AV_SAMPLE_FMT_U8)
1434 memset(buf, fill_char, size);
1437 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1441 for (i = 0; i < nb_ostreams; i++) {
1442 OutputStream *ost = &ost_table[i];
1443 AVCodecContext *enc = ost->st->codec;
1444 AVFormatContext *os = output_files[ost->file_index].ctx;
1446 if (!ost->encoding_needed)
1449 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1451 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1457 av_init_packet(&pkt);
1458 pkt.stream_index= ost->index;
1460 switch (ost->st->codec->codec_type) {
1461 case AVMEDIA_TYPE_AUDIO:
1462 fifo_bytes = av_fifo_size(ost->fifo);
1464 /* encode any samples remaining in fifo */
1465 if (fifo_bytes > 0) {
1466 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1467 int fs_tmp = enc->frame_size;
1469 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1470 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1471 enc->frame_size = fifo_bytes / (osize * enc->channels);
1473 int frame_bytes = enc->frame_size*osize*enc->channels;
1474 if (allocated_audio_buf_size < frame_bytes)
1476 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1479 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1480 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1481 ost->st->time_base.num, enc->sample_rate);
1482 enc->frame_size = fs_tmp;
1485 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1488 fprintf(stderr, "Audio encoding failed\n");
1492 pkt.flags |= AV_PKT_FLAG_KEY;
1494 case AVMEDIA_TYPE_VIDEO:
1495 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1497 fprintf(stderr, "Video encoding failed\n");
1501 if(enc->coded_frame && enc->coded_frame->key_frame)
1502 pkt.flags |= AV_PKT_FLAG_KEY;
1503 if (ost->logfile && enc->stats_out) {
1504 fprintf(ost->logfile, "%s", enc->stats_out);
1513 pkt.data = bit_buffer;
1515 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1516 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1517 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1522 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1523 static int output_packet(InputStream *ist, int ist_index,
1524 OutputStream *ost_table, int nb_ostreams,
1525 const AVPacket *pkt)
1527 AVFormatContext *os;
1532 void *buffer_to_free = NULL;
1533 static unsigned int samples_size= 0;
1534 AVSubtitle subtitle, *subtitle_to_free;
1535 int64_t pkt_pts = AV_NOPTS_VALUE;
1537 int frame_available;
1542 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1544 if(ist->next_pts == AV_NOPTS_VALUE)
1545 ist->next_pts= ist->pts;
1549 av_init_packet(&avpkt);
1557 if(pkt->dts != AV_NOPTS_VALUE)
1558 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1559 if(pkt->pts != AV_NOPTS_VALUE)
1560 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1562 //while we have more to decode or while the decoder did output something on EOF
1563 while (avpkt.size > 0 || (!pkt && got_output)) {
1564 uint8_t *data_buf, *decoded_data_buf;
1565 int data_size, decoded_data_size;
1567 ist->pts= ist->next_pts;
1569 if(avpkt.size && avpkt.size != pkt->size &&
1570 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1571 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1572 ist->showed_multi_packet_warning=1;
1575 /* decode the packet if needed */
1576 decoded_data_buf = NULL; /* fail safe */
1577 decoded_data_size= 0;
1578 data_buf = avpkt.data;
1579 data_size = avpkt.size;
1580 subtitle_to_free = NULL;
1581 if (ist->decoding_needed) {
1582 switch(ist->st->codec->codec_type) {
1583 case AVMEDIA_TYPE_AUDIO:{
1584 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1585 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1587 samples= av_malloc(samples_size);
1589 decoded_data_size= samples_size;
1590 /* XXX: could avoid copy if PCM 16 bits with same
1591 endianness as CPU */
1592 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1599 got_output = decoded_data_size > 0;
1600 /* Some bug in mpeg audio decoder gives */
1601 /* decoded_data_size < 0, it seems they are overflows */
1603 /* no audio frame */
1606 decoded_data_buf = (uint8_t *)samples;
1607 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1608 (ist->st->codec->sample_rate * ist->st->codec->channels);
1610 case AVMEDIA_TYPE_VIDEO:
1611 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1612 /* XXX: allocate picture correctly */
1613 avcodec_get_frame_defaults(&picture);
1614 avpkt.pts = pkt_pts;
1615 avpkt.dts = ist->pts;
1616 pkt_pts = AV_NOPTS_VALUE;
1618 ret = avcodec_decode_video2(ist->st->codec,
1619 &picture, &got_output, &avpkt);
1620 quality = same_quant ? picture.quality : 0;
1624 /* no picture yet */
1625 goto discard_packet;
1627 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1628 if (ist->st->codec->time_base.num != 0) {
1629 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE *
1631 ist->st->codec->time_base.num * ticks) /
1632 ist->st->codec->time_base.den;
1635 buffer_to_free = NULL;
1636 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1638 case AVMEDIA_TYPE_SUBTITLE:
1639 ret = avcodec_decode_subtitle2(ist->st->codec,
1640 &subtitle, &got_output, &avpkt);
1644 goto discard_packet;
1646 subtitle_to_free = &subtitle;
1653 switch(ist->st->codec->codec_type) {
1654 case AVMEDIA_TYPE_AUDIO:
1655 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1656 ist->st->codec->sample_rate;
1658 case AVMEDIA_TYPE_VIDEO:
1659 if (ist->st->codec->time_base.num != 0) {
1660 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1661 ist->next_pts += ((int64_t)AV_TIME_BASE *
1662 ist->st->codec->time_base.num * ticks) /
1663 ist->st->codec->time_base.den;
1670 // preprocess audio (volume)
1671 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1672 if (audio_volume != 256) {
1675 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1676 int v = ((*volp) * audio_volume + 128) >> 8;
1677 *volp++ = av_clip_int16(v);
1682 /* frame rate emulation */
1683 if (input_files[ist->file_index].rate_emu) {
1684 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1685 int64_t now = av_gettime() - ist->start;
1689 /* if output time reached then transcode raw format,
1690 encode packets and output them */
1691 for (i = 0; i < nb_ostreams; i++) {
1692 OutputFile *of = &output_files[ost_table[i].file_index];
1695 ost = &ost_table[i];
1696 if (ost->source_index != ist_index)
1699 if (of->start_time && ist->pts < of->start_time)
1702 if (of->recording_time != INT64_MAX &&
1703 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1704 (AVRational){1, 1000000}) >= 0) {
1705 ost->is_past_recording_time = 1;
1710 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1711 ost->input_video_filter) {
1713 if (ist->st->sample_aspect_ratio.num)
1714 sar = ist->st->sample_aspect_ratio;
1716 sar = ist->st->codec->sample_aspect_ratio;
1717 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1719 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1720 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1721 while (frame_available) {
1722 AVRational ist_pts_tb;
1723 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1724 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1726 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1728 os = output_files[ost->file_index].ctx;
1730 /* set the input output pts pairs */
1731 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1733 if (ost->encoding_needed) {
1734 av_assert0(ist->decoding_needed);
1735 switch(ost->st->codec->codec_type) {
1736 case AVMEDIA_TYPE_AUDIO:
1737 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1739 case AVMEDIA_TYPE_VIDEO:
1741 if (ost->picref->video && !ost->frame_aspect_ratio)
1742 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1744 do_video_out(os, ost, ist, &picture, &frame_size,
1745 same_quant ? quality : ost->st->codec->global_quality);
1746 if (vstats_filename && frame_size)
1747 do_video_stats(os, ost, frame_size);
1749 case AVMEDIA_TYPE_SUBTITLE:
1750 do_subtitle_out(os, ost, ist, &subtitle,
1757 AVFrame avframe; //FIXME/XXX remove this
1759 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1761 av_init_packet(&opkt);
1763 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1764 #if !CONFIG_AVFILTER
1770 /* no reencoding needed : output the packet directly */
1771 /* force the input stream PTS */
1773 avcodec_get_frame_defaults(&avframe);
1774 ost->st->codec->coded_frame= &avframe;
1775 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1777 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1778 audio_size += data_size;
1779 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1780 video_size += data_size;
1784 opkt.stream_index= ost->index;
1785 if(pkt->pts != AV_NOPTS_VALUE)
1786 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1788 opkt.pts= AV_NOPTS_VALUE;
1790 if (pkt->dts == AV_NOPTS_VALUE)
1791 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1793 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1794 opkt.dts -= ost_tb_start_time;
1796 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1797 opkt.flags= pkt->flags;
1799 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1800 if( ost->st->codec->codec_id != CODEC_ID_H264
1801 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1804 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1805 opkt.destruct= av_destruct_packet;
1807 opkt.data = data_buf;
1808 opkt.size = data_size;
1811 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1812 ost->st->codec->frame_number++;
1813 ost->frame_number++;
1814 av_free_packet(&opkt);
1818 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1819 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1821 avfilter_unref_buffer(ost->picref);
1826 av_free(buffer_to_free);
1827 /* XXX: allocate the subtitles in the codec ? */
1828 if (subtitle_to_free) {
1829 avsubtitle_free(subtitle_to_free);
1830 subtitle_to_free = NULL;
1838 static void print_sdp(OutputFile *output_files, int n)
1842 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1846 for (i = 0; i < n; i++)
1847 avc[i] = output_files[i].ctx;
1849 av_sdp_create(avc, n, sdp, sizeof(sdp));
1850 printf("SDP:\n%s\n", sdp);
1855 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1856 char *error, int error_len)
1859 InputStream *ist = &input_streams[ist_index];
1860 if (ist->decoding_needed) {
1861 AVCodec *codec = ist->dec;
1863 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1864 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1865 return AVERROR(EINVAL);
1868 /* update requested sample format for the decoder based on the
1869 corresponding encoder sample format */
1870 for (i = 0; i < nb_output_streams; i++) {
1871 OutputStream *ost = &output_streams[i];
1872 if (ost->source_index == ist_index) {
1873 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1878 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1879 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1880 ist->file_index, ist->st->index);
1881 return AVERROR(EINVAL);
1883 assert_codec_experimental(ist->st->codec, 0);
1884 assert_avoptions(ist->opts);
1887 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;
1888 ist->next_pts = AV_NOPTS_VALUE;
1889 init_pts_correction(&ist->pts_ctx);
1895 static int transcode_init(OutputFile *output_files,
1896 int nb_output_files,
1897 InputFile *input_files,
1901 AVFormatContext *os;
1902 AVCodecContext *codec, *icodec;
1908 /* init framerate emulation */
1909 for (i = 0; i < nb_input_files; i++) {
1910 InputFile *ifile = &input_files[i];
1911 if (ifile->rate_emu)
1912 for (j = 0; j < ifile->nb_streams; j++)
1913 input_streams[j + ifile->ist_index].start = av_gettime();
1916 /* output stream init */
1917 for(i=0;i<nb_output_files;i++) {
1918 os = output_files[i].ctx;
1919 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1920 av_dump_format(os, i, os->filename, 1);
1921 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1922 return AVERROR(EINVAL);
1926 /* for each output stream, we compute the right encoding parameters */
1927 for (i = 0; i < nb_output_streams; i++) {
1928 ost = &output_streams[i];
1929 os = output_files[ost->file_index].ctx;
1930 ist = &input_streams[ost->source_index];
1932 codec = ost->st->codec;
1933 icodec = ist->st->codec;
1935 ost->st->disposition = ist->st->disposition;
1936 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1937 codec->chroma_sample_location = icodec->chroma_sample_location;
1939 if (ost->st->stream_copy) {
1940 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1942 if (extra_size > INT_MAX) {
1943 return AVERROR(EINVAL);
1946 /* if stream_copy is selected, no need to decode or encode */
1947 codec->codec_id = icodec->codec_id;
1948 codec->codec_type = icodec->codec_type;
1950 if(!codec->codec_tag){
1951 if( !os->oformat->codec_tag
1952 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1953 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1954 codec->codec_tag = icodec->codec_tag;
1957 codec->bit_rate = icodec->bit_rate;
1958 codec->rc_max_rate = icodec->rc_max_rate;
1959 codec->rc_buffer_size = icodec->rc_buffer_size;
1960 codec->extradata= av_mallocz(extra_size);
1961 if (!codec->extradata) {
1962 return AVERROR(ENOMEM);
1964 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1965 codec->extradata_size= icodec->extradata_size;
1966 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){
1967 codec->time_base = icodec->time_base;
1968 codec->time_base.num *= icodec->ticks_per_frame;
1969 av_reduce(&codec->time_base.num, &codec->time_base.den,
1970 codec->time_base.num, codec->time_base.den, INT_MAX);
1972 codec->time_base = ist->st->time_base;
1973 switch(codec->codec_type) {
1974 case AVMEDIA_TYPE_AUDIO:
1975 if(audio_volume != 256) {
1976 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1979 codec->channel_layout = icodec->channel_layout;
1980 codec->sample_rate = icodec->sample_rate;
1981 codec->channels = icodec->channels;
1982 codec->frame_size = icodec->frame_size;
1983 codec->audio_service_type = icodec->audio_service_type;
1984 codec->block_align= icodec->block_align;
1985 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1986 codec->block_align= 0;
1987 if(codec->codec_id == CODEC_ID_AC3)
1988 codec->block_align= 0;
1990 case AVMEDIA_TYPE_VIDEO:
1991 codec->pix_fmt = icodec->pix_fmt;
1992 codec->width = icodec->width;
1993 codec->height = icodec->height;
1994 codec->has_b_frames = icodec->has_b_frames;
1995 if (!codec->sample_aspect_ratio.num) {
1996 codec->sample_aspect_ratio =
1997 ost->st->sample_aspect_ratio =
1998 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1999 ist->st->codec->sample_aspect_ratio.num ?
2000 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2003 case AVMEDIA_TYPE_SUBTITLE:
2004 codec->width = icodec->width;
2005 codec->height = icodec->height;
2007 case AVMEDIA_TYPE_DATA:
2014 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2015 switch(codec->codec_type) {
2016 case AVMEDIA_TYPE_AUDIO:
2017 ost->fifo= av_fifo_alloc(1024);
2019 return AVERROR(ENOMEM);
2021 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2022 if (!codec->sample_rate) {
2023 codec->sample_rate = icodec->sample_rate;
2025 codec->sample_rate >>= icodec->lowres;
2027 choose_sample_rate(ost->st, ost->enc);
2028 codec->time_base = (AVRational){1, codec->sample_rate};
2029 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2030 codec->sample_fmt = icodec->sample_fmt;
2031 choose_sample_fmt(ost->st, ost->enc);
2032 if (!codec->channels)
2033 codec->channels = icodec->channels;
2034 codec->channel_layout = icodec->channel_layout;
2035 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2036 codec->channel_layout = 0;
2037 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2038 icodec->request_channels = codec->channels;
2039 ist->decoding_needed = 1;
2040 ost->encoding_needed = 1;
2041 ost->resample_sample_fmt = icodec->sample_fmt;
2042 ost->resample_sample_rate = icodec->sample_rate;
2043 ost->resample_channels = icodec->channels;
2045 case AVMEDIA_TYPE_VIDEO:
2046 if (codec->pix_fmt == PIX_FMT_NONE)
2047 codec->pix_fmt = icodec->pix_fmt;
2048 choose_pixel_fmt(ost->st, ost->enc);
2050 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2051 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2055 if (!codec->width || !codec->height) {
2056 codec->width = icodec->width;
2057 codec->height = icodec->height;
2060 ost->video_resample = codec->width != icodec->width ||
2061 codec->height != icodec->height ||
2062 codec->pix_fmt != icodec->pix_fmt;
2063 if (ost->video_resample) {
2064 #if !CONFIG_AVFILTER
2065 avcodec_get_frame_defaults(&ost->pict_tmp);
2066 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2067 codec->width, codec->height)) {
2068 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2071 ost->img_resample_ctx = sws_getContext(
2078 ost->sws_flags, NULL, NULL, NULL);
2079 if (ost->img_resample_ctx == NULL) {
2080 fprintf(stderr, "Cannot get resampling context\n");
2084 codec->bits_per_raw_sample= 0;
2087 ost->resample_height = icodec->height;
2088 ost->resample_width = icodec->width;
2089 ost->resample_pix_fmt= icodec->pix_fmt;
2090 ost->encoding_needed = 1;
2091 ist->decoding_needed = 1;
2093 if (!ost->frame_rate.num)
2094 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2095 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2096 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2097 ost->frame_rate = ost->enc->supported_framerates[idx];
2099 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2102 if (configure_video_filters(ist, ost)) {
2103 fprintf(stderr, "Error opening filters!\n");
2108 case AVMEDIA_TYPE_SUBTITLE:
2109 ost->encoding_needed = 1;
2110 ist->decoding_needed = 1;
2117 if (ost->encoding_needed &&
2118 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2119 char logfilename[1024];
2122 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2123 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2125 if (codec->flags & CODEC_FLAG_PASS1) {
2126 f = fopen(logfilename, "wb");
2128 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2134 size_t logbuffer_size;
2135 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2136 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2139 codec->stats_in = logbuffer;
2143 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2144 int size= codec->width * codec->height;
2145 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2150 bit_buffer = av_malloc(bit_buffer_size);
2152 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2154 return AVERROR(ENOMEM);
2157 /* open each encoder */
2158 for (i = 0; i < nb_output_streams; i++) {
2159 ost = &output_streams[i];
2160 if (ost->encoding_needed) {
2161 AVCodec *codec = ost->enc;
2162 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2164 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2165 ost->st->codec->codec_id, ost->file_index, ost->index);
2166 ret = AVERROR(EINVAL);
2169 if (dec->subtitle_header) {
2170 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2171 if (!ost->st->codec->subtitle_header) {
2172 ret = AVERROR(ENOMEM);
2175 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2176 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2178 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2179 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2180 ost->file_index, ost->index);
2181 ret = AVERROR(EINVAL);
2184 assert_codec_experimental(ost->st->codec, 1);
2185 assert_avoptions(ost->opts);
2186 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2187 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2188 "It takes bits/s as argument, not kbits/s\n");
2189 extra_size += ost->st->codec->extradata_size;
2193 /* init input streams */
2194 for (i = 0; i < nb_input_streams; i++)
2195 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2198 /* open files and write file headers */
2199 for (i = 0; i < nb_output_files; i++) {
2200 os = output_files[i].ctx;
2201 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2202 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2203 ret = AVERROR(EINVAL);
2206 assert_avoptions(output_files[i].opts);
2207 if (strcmp(os->oformat->name, "rtp")) {
2213 /* dump the file output parameters - cannot be done before in case
2215 for(i=0;i<nb_output_files;i++) {
2216 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2219 /* dump the stream mapping */
2221 fprintf(stderr, "Stream mapping:\n");
2222 for (i = 0; i < nb_output_streams;i ++) {
2223 ost = &output_streams[i];
2224 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2225 input_streams[ost->source_index].file_index,
2226 input_streams[ost->source_index].st->index,
2229 if (ost->sync_ist != &input_streams[ost->source_index])
2230 fprintf(stderr, " [sync #%d.%d]",
2231 ost->sync_ist->file_index,
2232 ost->sync_ist->st->index);
2233 if (ost->st->stream_copy)
2234 fprintf(stderr, " (copy)");
2236 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2237 input_streams[ost->source_index].dec->name : "?",
2238 ost->enc ? ost->enc->name : "?");
2239 fprintf(stderr, "\n");
2244 fprintf(stderr, "%s\n", error);
2249 print_sdp(output_files, nb_output_files);
2256 * The following code is the main loop of the file converter
2258 static int transcode(OutputFile *output_files,
2259 int nb_output_files,
2260 InputFile *input_files,
2264 AVFormatContext *is, *os;
2268 int no_packet_count=0;
2269 int64_t timer_start;
2271 if (!(no_packet = av_mallocz(nb_input_files)))
2274 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2279 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2282 timer_start = av_gettime();
2284 for(; received_sigterm == 0;) {
2285 int file_index, ist_index;
2290 ipts_min = INT64_MAX;
2293 /* select the stream that we must read now by looking at the
2294 smallest output pts */
2296 for (i = 0; i < nb_output_streams; i++) {
2300 ost = &output_streams[i];
2301 of = &output_files[ost->file_index];
2302 os = output_files[ost->file_index].ctx;
2303 ist = &input_streams[ost->source_index];
2304 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2305 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2307 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2309 if (!input_files[ist->file_index].eof_reached){
2310 if(ipts < ipts_min) {
2312 if(input_sync ) file_index = ist->file_index;
2314 if(opts < opts_min) {
2316 if(!input_sync) file_index = ist->file_index;
2319 if (ost->frame_number >= ost->max_frames) {
2321 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2322 output_streams[j].is_past_recording_time = 1;
2326 /* if none, if is finished */
2327 if (file_index < 0) {
2328 if(no_packet_count){
2330 memset(no_packet, 0, nb_input_files);
2337 /* read a frame from it and output it in the fifo */
2338 is = input_files[file_index].ctx;
2339 ret= av_read_frame(is, &pkt);
2340 if(ret == AVERROR(EAGAIN)){
2341 no_packet[file_index]=1;
2346 input_files[file_index].eof_reached = 1;
2354 memset(no_packet, 0, nb_input_files);
2357 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2358 is->streams[pkt.stream_index]);
2360 /* the following test is needed in case new streams appear
2361 dynamically in stream : we ignore them */
2362 if (pkt.stream_index >= input_files[file_index].nb_streams)
2363 goto discard_packet;
2364 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2365 ist = &input_streams[ist_index];
2367 goto discard_packet;
2369 if (pkt.dts != AV_NOPTS_VALUE)
2370 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2371 if (pkt.pts != AV_NOPTS_VALUE)
2372 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2374 if(pkt.pts != AV_NOPTS_VALUE)
2375 pkt.pts *= ist->ts_scale;
2376 if(pkt.dts != AV_NOPTS_VALUE)
2377 pkt.dts *= ist->ts_scale;
2379 // 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);
2380 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2381 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2382 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2383 int64_t delta= pkt_dts - ist->next_pts;
2384 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2385 input_files[ist->file_index].ts_offset -= delta;
2387 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2388 delta, input_files[ist->file_index].ts_offset);
2389 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2390 if(pkt.pts != AV_NOPTS_VALUE)
2391 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2395 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2396 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2399 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2400 ist->file_index, ist->st->index);
2403 av_free_packet(&pkt);
2408 av_free_packet(&pkt);
2410 /* dump report by using the output first video and audio streams */
2411 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2414 /* at the end of stream, we must flush the decoder buffers */
2415 for (i = 0; i < nb_input_streams; i++) {
2416 ist = &input_streams[i];
2417 if (ist->decoding_needed) {
2418 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2421 flush_encoders(output_streams, nb_output_streams);
2425 /* write the trailer if needed and close file */
2426 for(i=0;i<nb_output_files;i++) {
2427 os = output_files[i].ctx;
2428 av_write_trailer(os);
2431 /* dump report by using the first video and audio streams */
2432 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2434 /* close each encoder */
2435 for (i = 0; i < nb_output_streams; i++) {
2436 ost = &output_streams[i];
2437 if (ost->encoding_needed) {
2438 av_freep(&ost->st->codec->stats_in);
2439 avcodec_close(ost->st->codec);
2442 avfilter_graph_free(&ost->graph);
2446 /* close each decoder */
2447 for (i = 0; i < nb_input_streams; i++) {
2448 ist = &input_streams[i];
2449 if (ist->decoding_needed) {
2450 avcodec_close(ist->st->codec);
2458 av_freep(&bit_buffer);
2459 av_freep(&no_packet);
2461 if (output_streams) {
2462 for (i = 0; i < nb_output_streams; i++) {
2463 ost = &output_streams[i];
2465 if (ost->st->stream_copy)
2466 av_freep(&ost->st->codec->extradata);
2468 fclose(ost->logfile);
2469 ost->logfile = NULL;
2471 av_fifo_free(ost->fifo); /* works even if fifo is not
2472 initialized but set to zero */
2473 av_freep(&ost->st->codec->subtitle_header);
2474 av_free(ost->pict_tmp.data[0]);
2475 av_free(ost->forced_kf_pts);
2476 if (ost->video_resample)
2477 sws_freeContext(ost->img_resample_ctx);
2479 audio_resample_close(ost->resample);
2480 if (ost->reformat_ctx)
2481 av_audio_convert_free(ost->reformat_ctx);
2482 av_dict_free(&ost->opts);
2489 static int opt_video_rc_override_string(const char *opt, const char *arg)
2491 video_rc_override_string = arg;
2495 static int opt_me_threshold(const char *opt, const char *arg)
2497 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2501 static int opt_verbose(const char *opt, const char *arg)
2503 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2507 static int opt_frame_rate(const char *opt, const char *arg)
2509 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2510 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2516 static int opt_frame_size(const char *opt, const char *arg)
2518 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2519 fprintf(stderr, "Incorrect frame size\n");
2520 return AVERROR(EINVAL);
2525 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2527 if (strcmp(arg, "list")) {
2528 frame_pix_fmt = av_get_pix_fmt(arg);
2529 if (frame_pix_fmt == PIX_FMT_NONE) {
2530 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2531 return AVERROR(EINVAL);
2540 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2547 p = strchr(arg, ':');
2549 x = strtol(arg, &end, 10);
2551 y = strtol(end+1, &end, 10);
2553 ar = (double)x / (double)y;
2555 ar = strtod(arg, NULL);
2558 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2559 return AVERROR(EINVAL);
2561 frame_aspect_ratio = ar;
2565 static int opt_qscale(const char *opt, const char *arg)
2567 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2568 if (video_qscale == 0) {
2569 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2570 return AVERROR(EINVAL);
2575 static int opt_top_field_first(const char *opt, const char *arg)
2577 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2581 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2583 if (strcmp(arg, "list")) {
2584 audio_sample_fmt = av_get_sample_fmt(arg);
2585 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2586 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2587 return AVERROR(EINVAL);
2592 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2593 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2599 static int opt_audio_rate(const char *opt, const char *arg)
2601 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2605 static int opt_audio_channels(const char *opt, const char *arg)
2607 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2611 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2613 return parse_option(o, "codec:a", arg, options);
2616 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2618 return parse_option(o, "codec:v", arg, options);
2621 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2623 return parse_option(o, "codec:s", arg, options);
2626 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2628 return parse_option(o, "codec:d", arg, options);
2631 static int opt_codec_tag(const char *opt, const char *arg)
2634 uint32_t *codec_tag;
2636 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2637 !strcmp(opt, "vtag") ? &video_codec_tag :
2638 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2642 *codec_tag = strtol(arg, &tail, 0);
2644 *codec_tag = AV_RL32(arg);
2649 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2651 StreamMap *m = NULL;
2652 int i, negative = 0, file_idx;
2653 int sync_file_idx = -1, sync_stream_idx;
2661 map = av_strdup(arg);
2663 /* parse sync stream first, just pick first matching stream */
2664 if (sync = strchr(map, ',')) {
2666 sync_file_idx = strtol(sync + 1, &sync, 0);
2667 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2668 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2673 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2674 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2675 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2676 sync_stream_idx = i;
2679 if (i == input_files[sync_file_idx].nb_streams) {
2680 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2681 "match any streams.\n", arg);
2687 file_idx = strtol(map, &p, 0);
2688 if (file_idx >= nb_input_files || file_idx < 0) {
2689 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2693 /* disable some already defined maps */
2694 for (i = 0; i < o->nb_stream_maps; i++) {
2695 m = &o->stream_maps[i];
2696 if (check_stream_specifier(input_files[m->file_index].ctx,
2697 input_files[m->file_index].ctx->streams[m->stream_index],
2698 *p == ':' ? p + 1 : p) > 0)
2702 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2703 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2704 *p == ':' ? p + 1 : p) <= 0)
2706 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2707 &o->nb_stream_maps, o->nb_stream_maps + 1);
2708 m = &o->stream_maps[o->nb_stream_maps - 1];
2710 m->file_index = file_idx;
2711 m->stream_index = i;
2713 if (sync_file_idx >= 0) {
2714 m->sync_file_index = sync_file_idx;
2715 m->sync_stream_index = sync_stream_idx;
2717 m->sync_file_index = file_idx;
2718 m->sync_stream_index = i;
2723 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2731 static void parse_meta_type(char *arg, char *type, int *index)
2741 if (*(++arg) == ':')
2742 *index = strtol(++arg, NULL, 0);
2745 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2752 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2754 MetadataMap *m, *m1;
2757 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2758 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2760 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2761 m->file = strtol(arg, &p, 0);
2762 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2764 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2765 if (p = strchr(opt, ':'))
2766 parse_meta_type(p + 1, &m1->type, &m1->index);
2770 if (m->type == 'g' || m1->type == 'g')
2771 o->metadata_global_manual = 1;
2772 if (m->type == 's' || m1->type == 's')
2773 o->metadata_streams_manual = 1;
2774 if (m->type == 'c' || m1->type == 'c')
2775 o->metadata_chapters_manual = 1;
2780 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2782 const char *codec_string = encoder ? "encoder" : "decoder";
2786 return CODEC_ID_NONE;
2788 avcodec_find_encoder_by_name(name) :
2789 avcodec_find_decoder_by_name(name);
2791 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2794 if(codec->type != type) {
2795 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2801 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2803 char *codec_name = NULL;
2805 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2809 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2810 return avcodec_find_encoder(st->codec->codec_id);
2812 } else if (!strcmp(codec_name, "copy"))
2813 st->stream_copy = 1;
2815 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2816 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2817 avcodec_find_decoder_by_name(codec_name);
2824 * Add all the streams from the given input file to the global
2825 * list of input streams.
2827 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2829 int i, rfps, rfps_base;
2831 for (i = 0; i < ic->nb_streams; i++) {
2832 AVStream *st = ic->streams[i];
2833 AVCodecContext *dec = st->codec;
2837 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2838 ist = &input_streams[nb_input_streams - 1];
2840 ist->file_index = nb_input_files;
2842 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2844 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2845 ist->ts_scale = scale;
2847 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2849 ist->dec = avcodec_find_decoder(dec->codec_id);
2851 switch (dec->codec_type) {
2852 case AVMEDIA_TYPE_AUDIO:
2854 st->discard= AVDISCARD_ALL;
2856 case AVMEDIA_TYPE_VIDEO:
2857 rfps = ic->streams[i]->r_frame_rate.num;
2858 rfps_base = ic->streams[i]->r_frame_rate.den;
2860 dec->flags |= CODEC_FLAG_EMU_EDGE;
2861 dec->height >>= dec->lowres;
2862 dec->width >>= dec->lowres;
2865 dec->debug |= FF_DEBUG_MV;
2867 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2870 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2871 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2873 (float)rfps / rfps_base, rfps, rfps_base);
2877 st->discard= AVDISCARD_ALL;
2878 else if(video_discard)
2879 st->discard= video_discard;
2881 case AVMEDIA_TYPE_DATA:
2883 case AVMEDIA_TYPE_SUBTITLE:
2884 if(subtitle_disable)
2885 st->discard = AVDISCARD_ALL;
2887 case AVMEDIA_TYPE_ATTACHMENT:
2888 case AVMEDIA_TYPE_UNKNOWN:
2896 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2898 AVFormatContext *ic;
2899 AVInputFormat *file_iformat = NULL;
2903 AVDictionary **opts;
2904 int orig_nb_streams; // number of streams before avformat_find_stream_info
2907 if (!(file_iformat = av_find_input_format(o->format))) {
2908 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2913 if (!strcmp(filename, "-"))
2916 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2917 !strcmp(filename, "/dev/stdin");
2919 /* get default parameters from command line */
2920 ic = avformat_alloc_context();
2922 print_error(filename, AVERROR(ENOMEM));
2925 if (audio_sample_rate) {
2926 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2927 av_dict_set(&format_opts, "sample_rate", buf, 0);
2929 if (audio_channels) {
2930 snprintf(buf, sizeof(buf), "%d", audio_channels);
2931 av_dict_set(&format_opts, "channels", buf, 0);
2933 if (frame_rate.num) {
2934 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2935 av_dict_set(&format_opts, "framerate", buf, 0);
2937 if (frame_width && frame_height) {
2938 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2939 av_dict_set(&format_opts, "video_size", buf, 0);
2941 if (frame_pix_fmt != PIX_FMT_NONE)
2942 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2944 ic->flags |= AVFMT_FLAG_NONBLOCK;
2946 /* open the input file with generic libav function */
2947 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2949 print_error(filename, err);
2952 assert_avoptions(format_opts);
2957 for(i=0; i<ic->nb_streams; i++){
2958 ic->streams[i]->discard= AVDISCARD_ALL;
2960 for(i=0; i<ic->nb_programs; i++){
2961 AVProgram *p= ic->programs[i];
2962 if(p->id != opt_programid){
2963 p->discard = AVDISCARD_ALL;
2966 for(j=0; j<p->nb_stream_indexes; j++){
2967 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2972 fprintf(stderr, "Specified program id not found\n");
2978 /* apply forced codec ids */
2979 for (i = 0; i < ic->nb_streams; i++)
2980 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2982 /* Set AVCodecContext options for avformat_find_stream_info */
2983 opts = setup_find_stream_info_opts(ic, codec_opts);
2984 orig_nb_streams = ic->nb_streams;
2986 /* If not enough info to get the stream parameters, we decode the
2987 first frames to get it. (used in mpeg case for example) */
2988 ret = avformat_find_stream_info(ic, opts);
2989 if (ret < 0 && verbose >= 0) {
2990 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2991 av_close_input_file(ic);
2995 timestamp = o->start_time;
2996 /* add the stream start time */
2997 if (ic->start_time != AV_NOPTS_VALUE)
2998 timestamp += ic->start_time;
3000 /* if seeking requested, we execute it */
3001 if (o->start_time != 0) {
3002 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3004 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3005 filename, (double)timestamp / AV_TIME_BASE);
3009 /* update the current parameters so that they match the one of the input stream */
3010 add_input_streams(o, ic);
3012 /* dump the file content */
3014 av_dump_format(ic, nb_input_files, filename, 0);
3016 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3017 input_files[nb_input_files - 1].ctx = ic;
3018 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3019 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3020 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3022 frame_rate = (AVRational){0, 0};
3023 frame_pix_fmt = PIX_FMT_NONE;
3026 audio_sample_rate = 0;
3028 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3030 for (i = 0; i < orig_nb_streams; i++)
3031 av_dict_free(&opts[i]);
3038 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3039 AVCodecContext *avctx)
3045 for (p = kf; *p; p++)
3048 ost->forced_kf_count = n;
3049 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3050 if (!ost->forced_kf_pts) {
3051 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3054 for (i = 0; i < n; i++) {
3055 p = i ? strchr(p, ',') + 1 : kf;
3056 t = parse_time_or_die("force_key_frames", p, 1);
3057 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3061 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3064 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3065 int idx = oc->nb_streams - 1;
3066 int64_t max_frames = INT64_MAX;
3069 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3073 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3074 nb_output_streams + 1);
3075 ost = &output_streams[nb_output_streams - 1];
3076 ost->file_index = nb_output_files;
3079 st->codec->codec_type = type;
3080 ost->enc = choose_codec(o, oc, st, type);
3082 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3085 avcodec_get_context_defaults3(st->codec, ost->enc);
3086 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3088 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3089 ost->max_frames = max_frames;
3091 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3095 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3099 AVCodecContext *video_enc;
3101 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3103 if (!st->stream_copy) {
3104 ost->frame_aspect_ratio = frame_aspect_ratio;
3105 frame_aspect_ratio = 0;
3107 ost->avfilter= vfilters;
3112 ost->bitstream_filters = video_bitstream_filters;
3113 video_bitstream_filters= NULL;
3115 video_enc = st->codec;
3118 video_enc->codec_tag= video_codec_tag;
3120 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3121 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3124 if (st->stream_copy) {
3125 video_enc->sample_aspect_ratio =
3126 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3132 ost->frame_rate = frame_rate;
3134 video_enc->width = frame_width;
3135 video_enc->height = frame_height;
3136 video_enc->pix_fmt = frame_pix_fmt;
3137 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3139 if (video_qscale || same_quant) {
3140 video_enc->flags |= CODEC_FLAG_QSCALE;
3141 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3145 video_enc->intra_matrix = intra_matrix;
3147 video_enc->inter_matrix = inter_matrix;
3149 p= video_rc_override_string;
3152 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3154 fprintf(stderr, "error parsing rc_override\n");
3157 video_enc->rc_override=
3158 av_realloc(video_enc->rc_override,
3159 sizeof(RcOverride)*(i+1));
3160 video_enc->rc_override[i].start_frame= start;
3161 video_enc->rc_override[i].end_frame = end;
3163 video_enc->rc_override[i].qscale= q;
3164 video_enc->rc_override[i].quality_factor= 1.0;
3167 video_enc->rc_override[i].qscale= 0;
3168 video_enc->rc_override[i].quality_factor= -q/100.0;
3173 video_enc->rc_override_count=i;
3174 if (!video_enc->rc_initial_buffer_occupancy)
3175 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3176 video_enc->me_threshold= me_threshold;
3177 video_enc->intra_dc_precision= intra_dc_precision - 8;
3180 video_enc->flags|= CODEC_FLAG_PSNR;
3185 video_enc->flags |= CODEC_FLAG_PASS1;
3187 video_enc->flags |= CODEC_FLAG_PASS2;
3191 if (forced_key_frames)
3192 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3194 if (video_language) {
3195 av_dict_set(&st->metadata, "language", video_language, 0);
3196 av_freep(&video_language);
3199 /* reset some key parameters */
3201 av_freep(&forced_key_frames);
3202 frame_pix_fmt = PIX_FMT_NONE;
3206 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3210 AVCodecContext *audio_enc;
3212 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3215 ost->bitstream_filters = audio_bitstream_filters;
3216 audio_bitstream_filters= NULL;
3218 audio_enc = st->codec;
3219 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3222 audio_enc->codec_tag= audio_codec_tag;
3224 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3225 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3227 if (!st->stream_copy) {
3228 if (audio_qscale > QSCALE_NONE) {
3229 audio_enc->flags |= CODEC_FLAG_QSCALE;
3230 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3233 audio_enc->channels = audio_channels;
3234 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3235 audio_enc->sample_fmt = audio_sample_fmt;
3236 if (audio_sample_rate)
3237 audio_enc->sample_rate = audio_sample_rate;
3239 if (audio_language) {
3240 av_dict_set(&st->metadata, "language", audio_language, 0);
3241 av_freep(&audio_language);
3244 /* reset some key parameters */
3250 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3254 AVCodecContext *data_enc;
3256 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3258 data_enc = st->codec;
3259 if (!st->stream_copy) {
3260 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3265 data_enc->codec_tag= data_codec_tag;
3267 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3268 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3275 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3279 AVCodecContext *subtitle_enc;
3281 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3283 subtitle_enc = st->codec;
3285 ost->bitstream_filters = subtitle_bitstream_filters;
3286 subtitle_bitstream_filters= NULL;
3288 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3290 if(subtitle_codec_tag)
3291 subtitle_enc->codec_tag= subtitle_codec_tag;
3293 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3294 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3297 if (subtitle_language) {
3298 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3299 av_freep(&subtitle_language);
3302 subtitle_disable = 0;
3306 /* arg format is "output-stream-index:streamid-value". */
3307 static int opt_streamid(const char *opt, const char *arg)
3313 av_strlcpy(idx_str, arg, sizeof(idx_str));
3314 p = strchr(idx_str, ':');
3317 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3322 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3323 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3324 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3328 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3330 AVFormatContext *is = ifile->ctx;
3331 AVFormatContext *os = ofile->ctx;
3334 for (i = 0; i < is->nb_chapters; i++) {
3335 AVChapter *in_ch = is->chapters[i], *out_ch;
3336 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3337 AV_TIME_BASE_Q, in_ch->time_base);
3338 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3339 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3342 if (in_ch->end < ts_off)
3344 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3347 out_ch = av_mallocz(sizeof(AVChapter));
3349 return AVERROR(ENOMEM);
3351 out_ch->id = in_ch->id;
3352 out_ch->time_base = in_ch->time_base;
3353 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3354 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3357 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3360 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3362 return AVERROR(ENOMEM);
3363 os->chapters[os->nb_chapters - 1] = out_ch;
3368 static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3371 AVFormatContext *ic = NULL;
3373 err = avformat_open_input(&ic, filename, NULL, NULL);
3376 /* copy stream format */
3377 for(i=0;i<ic->nb_streams;i++) {
3382 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3383 ost = new_output_stream(o, s, codec->type);
3386 // FIXME: a more elegant solution is needed
3387 memcpy(st, ic->streams[i], sizeof(AVStream));
3389 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3391 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3392 choose_sample_fmt(st, codec);
3393 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3394 choose_pixel_fmt(st, codec);
3397 av_close_input_file(ic);
3401 static void opt_output_file(void *optctx, const char *filename)
3403 OptionsContext *o = optctx;
3404 AVFormatContext *oc;
3406 AVOutputFormat *file_oformat;
3410 if (!strcmp(filename, "-"))
3413 oc = avformat_alloc_context();
3415 print_error(filename, AVERROR(ENOMEM));
3420 file_oformat = av_guess_format(o->format, NULL, NULL);
3421 if (!file_oformat) {
3422 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
3426 file_oformat = av_guess_format(NULL, filename, NULL);
3427 if (!file_oformat) {
3428 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3434 oc->oformat = file_oformat;
3435 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3437 if (!strcmp(file_oformat->name, "ffm") &&
3438 av_strstart(filename, "http:", NULL)) {
3439 /* special case for files sent to avserver: we get the stream
3440 parameters from avserver */
3441 int err = read_avserver_streams(o, oc, filename);
3443 print_error(filename, err);
3446 } else if (!o->nb_stream_maps) {
3447 /* pick the "best" stream of each type */
3448 #define NEW_STREAM(type, index)\
3450 ost = new_ ## type ## _stream(o, oc);\
3451 ost->source_index = index;\
3452 ost->sync_ist = &input_streams[index];\
3453 input_streams[index].discard = 0;\
3456 /* video: highest resolution */
3457 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3458 int area = 0, idx = -1;
3459 for (i = 0; i < nb_input_streams; i++) {
3460 ist = &input_streams[i];
3461 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3462 ist->st->codec->width * ist->st->codec->height > area) {
3463 area = ist->st->codec->width * ist->st->codec->height;
3467 NEW_STREAM(video, idx);
3470 /* audio: most channels */
3471 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3472 int channels = 0, idx = -1;
3473 for (i = 0; i < nb_input_streams; i++) {
3474 ist = &input_streams[i];
3475 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3476 ist->st->codec->channels > channels) {
3477 channels = ist->st->codec->channels;
3481 NEW_STREAM(audio, idx);
3484 /* subtitles: pick first */
3485 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3486 for (i = 0; i < nb_input_streams; i++)
3487 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3488 NEW_STREAM(subtitle, i);
3492 /* do something with data? */
3494 for (i = 0; i < o->nb_stream_maps; i++) {
3495 StreamMap *map = &o->stream_maps[i];
3500 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3501 switch (ist->st->codec->codec_type) {
3502 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3503 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3504 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3505 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3507 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3508 map->file_index, map->stream_index);
3512 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3513 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3514 map->sync_stream_index];
3519 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3520 output_files[nb_output_files - 1].ctx = oc;
3521 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3522 output_files[nb_output_files - 1].recording_time = o->recording_time;
3523 output_files[nb_output_files - 1].start_time = o->start_time;
3524 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3525 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3527 /* check filename in case of an image number is expected */
3528 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3529 if (!av_filename_number_test(oc->filename)) {
3530 print_error(oc->filename, AVERROR(EINVAL));
3535 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3536 /* test if it already exists to avoid loosing precious files */
3537 if (!file_overwrite &&
3538 (strchr(filename, ':') == NULL ||
3539 filename[1] == ':' ||
3540 av_strstart(filename, "file:", NULL))) {
3541 if (avio_check(filename, 0) == 0) {
3543 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3545 if (!read_yesno()) {
3546 fprintf(stderr, "Not overwriting - exiting\n");
3551 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3558 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3559 print_error(filename, err);
3564 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3565 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3566 oc->flags |= AVFMT_FLAG_NONBLOCK;
3569 if (o->chapters_input_file >= nb_input_files) {
3570 if (o->chapters_input_file == INT_MAX) {
3571 /* copy chapters from the first input file that has them*/
3572 o->chapters_input_file = -1;
3573 for (i = 0; i < nb_input_files; i++)
3574 if (input_files[i].ctx->nb_chapters) {
3575 o->chapters_input_file = i;
3579 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3580 o->chapters_input_file);
3584 if (o->chapters_input_file >= 0)
3585 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3586 o->metadata_chapters_manual);
3589 for (i = 0; i < o->nb_meta_data_maps; i++) {
3590 AVFormatContext *files[2];
3591 AVDictionary **meta[2];
3594 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3595 if ((index) < 0 || (index) >= (nb_elems)) {\
3596 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3601 int in_file_index = o->meta_data_maps[i][1].file;
3602 if (in_file_index < 0)
3604 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3607 files[1] = input_files[in_file_index].ctx;
3609 for (j = 0; j < 2; j++) {
3610 MetadataMap *map = &o->meta_data_maps[i][j];
3612 switch (map->type) {
3614 meta[j] = &files[j]->metadata;
3617 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3618 meta[j] = &files[j]->streams[map->index]->metadata;
3621 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3622 meta[j] = &files[j]->chapters[map->index]->metadata;
3625 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3626 meta[j] = &files[j]->programs[map->index]->metadata;
3631 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3634 /* copy global metadata by default */
3635 if (!o->metadata_global_manual && nb_input_files)
3636 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3637 AV_DICT_DONT_OVERWRITE);
3638 if (!o->metadata_streams_manual)
3639 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3640 InputStream *ist = &input_streams[output_streams[i].source_index];
3641 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3644 /* process manually set metadata */
3645 for (i = 0; i < o->nb_metadata; i++) {
3650 val = strchr(o->metadata[i].u.str, '=');
3652 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3653 o->metadata[i].u.str);
3658 parse_meta_type(o->metadata[i].specifier, &type, &index);
3664 if (index < 0 || index >= oc->nb_streams) {
3665 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3668 m = &oc->streams[i]->metadata;
3671 if (index < 0 || index >= oc->nb_chapters) {
3672 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3675 m = &oc->chapters[i]->metadata;
3678 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3682 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3685 frame_rate = (AVRational){0, 0};
3688 audio_sample_rate = 0;
3690 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3692 av_freep(&streamid_map);
3693 nb_streamid_map = 0;
3695 av_freep(&forced_key_frames);
3699 /* same option as mencoder */
3700 static int opt_pass(const char *opt, const char *arg)
3702 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3706 static int64_t getutime(void)
3709 struct rusage rusage;
3711 getrusage(RUSAGE_SELF, &rusage);
3712 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3713 #elif HAVE_GETPROCESSTIMES
3715 FILETIME c, e, k, u;
3716 proc = GetCurrentProcess();
3717 GetProcessTimes(proc, &c, &e, &k, &u);
3718 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3720 return av_gettime();
3724 static int64_t getmaxrss(void)
3726 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3727 struct rusage rusage;
3728 getrusage(RUSAGE_SELF, &rusage);
3729 return (int64_t)rusage.ru_maxrss * 1024;
3730 #elif HAVE_GETPROCESSMEMORYINFO
3732 PROCESS_MEMORY_COUNTERS memcounters;
3733 proc = GetCurrentProcess();
3734 memcounters.cb = sizeof(memcounters);
3735 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3736 return memcounters.PeakPagefileUsage;
3742 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3745 const char *p = str;
3752 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3759 static void opt_inter_matrix(const char *arg)
3761 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3762 parse_matrix_coeffs(inter_matrix, arg);
3765 static void opt_intra_matrix(const char *arg)
3767 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3768 parse_matrix_coeffs(intra_matrix, arg);
3771 static void show_usage(void)
3773 printf("Hyper fast Audio and Video encoder\n");
3774 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3778 static void show_help(void)
3781 AVOutputFormat *oformat = NULL;
3782 AVInputFormat *iformat = NULL;
3783 const AVClass *class;
3785 av_log_set_callback(log_callback_help);
3787 show_help_options(options, "Main options:\n",
3788 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3789 show_help_options(options, "\nAdvanced options:\n",
3790 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3792 show_help_options(options, "\nVideo options:\n",
3793 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3795 show_help_options(options, "\nAdvanced Video options:\n",
3796 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3797 OPT_VIDEO | OPT_EXPERT);
3798 show_help_options(options, "\nAudio options:\n",
3799 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3801 show_help_options(options, "\nAdvanced Audio options:\n",
3802 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3803 OPT_AUDIO | OPT_EXPERT);
3804 show_help_options(options, "\nSubtitle options:\n",
3805 OPT_SUBTITLE | OPT_GRAB,
3807 show_help_options(options, "\nAudio/Video grab options:\n",
3811 class = avcodec_get_class();
3812 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3815 /* individual codec options */
3817 while ((c = av_codec_next(c))) {
3818 if (c->priv_class) {
3819 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3824 class = avformat_get_class();
3825 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3828 /* individual muxer options */
3829 while ((oformat = av_oformat_next(oformat))) {
3830 if (oformat->priv_class) {
3831 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3836 /* individual demuxer options */
3837 while ((iformat = av_iformat_next(iformat))) {
3838 if (iformat->priv_class) {
3839 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3844 class = sws_get_class();
3845 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3848 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3850 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3851 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3853 if(!strncmp(arg, "pal-", 4)) {
3856 } else if(!strncmp(arg, "ntsc-", 5)) {
3859 } else if(!strncmp(arg, "film-", 5)) {
3864 /* Calculate FR via float to avoid int overflow */
3865 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3868 } else if((fr == 29970) || (fr == 23976)) {
3871 /* Try to determine PAL/NTSC by peeking in the input files */
3872 if(nb_input_files) {
3874 for (j = 0; j < nb_input_files; j++) {
3875 for (i = 0; i < input_files[j].nb_streams; i++) {
3876 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3877 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3879 fr = c->time_base.den * 1000 / c->time_base.num;
3883 } else if((fr == 29970) || (fr == 23976)) {
3893 if(verbose > 0 && norm != UNKNOWN)
3894 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3897 if(norm == UNKNOWN) {
3898 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3899 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3900 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3904 if(!strcmp(arg, "vcd")) {
3905 opt_video_codec(o, "c:v", "mpeg1video");
3906 opt_audio_codec(o, "c:a", "mp2");
3907 parse_option(o, "f", "vcd", options);
3909 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3910 opt_frame_rate("r", frame_rates[norm]);
3911 opt_default("g", norm == PAL ? "15" : "18");
3913 opt_default("b", "1150000");
3914 opt_default("maxrate", "1150000");
3915 opt_default("minrate", "1150000");
3916 opt_default("bufsize", "327680"); // 40*1024*8;
3918 opt_default("b:a", "224000");
3919 audio_sample_rate = 44100;
3922 opt_default("packetsize", "2324");
3923 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3925 /* We have to offset the PTS, so that it is consistent with the SCR.
3926 SCR starts at 36000, but the first two packs contain only padding
3927 and the first pack from the other stream, respectively, may also have
3928 been written before.
3929 So the real data starts at SCR 36000+3*1200. */
3930 mux_preload= (36000+3*1200) / 90000.0; //0.44
3931 } else if(!strcmp(arg, "svcd")) {
3933 opt_video_codec(o, "c:v", "mpeg2video");
3934 opt_audio_codec(o, "c:a", "mp2");
3935 parse_option(o, "f", "svcd", options);
3937 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3938 opt_frame_rate("r", frame_rates[norm]);
3939 opt_default("g", norm == PAL ? "15" : "18");
3941 opt_default("b", "2040000");
3942 opt_default("maxrate", "2516000");
3943 opt_default("minrate", "0"); //1145000;
3944 opt_default("bufsize", "1835008"); //224*1024*8;
3945 opt_default("flags", "+scan_offset");
3948 opt_default("b:a", "224000");
3949 audio_sample_rate = 44100;
3951 opt_default("packetsize", "2324");
3953 } else if(!strcmp(arg, "dvd")) {
3955 opt_video_codec(o, "c:v", "mpeg2video");
3956 opt_audio_codec(o, "c:a", "ac3");
3957 parse_option(o, "f", "dvd", options);
3959 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3960 opt_frame_rate("r", frame_rates[norm]);
3961 opt_default("g", norm == PAL ? "15" : "18");
3963 opt_default("b", "6000000");
3964 opt_default("maxrate", "9000000");
3965 opt_default("minrate", "0"); //1500000;
3966 opt_default("bufsize", "1835008"); //224*1024*8;
3968 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3969 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3971 opt_default("b:a", "448000");
3972 audio_sample_rate = 48000;
3974 } else if(!strncmp(arg, "dv", 2)) {
3976 parse_option(o, "f", "dv", options);
3978 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3979 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3980 norm == PAL ? "yuv420p" : "yuv411p");
3981 opt_frame_rate("r", frame_rates[norm]);
3983 audio_sample_rate = 48000;
3987 fprintf(stderr, "Unknown target: %s\n", arg);
3988 return AVERROR(EINVAL);
3993 static int opt_vstats_file(const char *opt, const char *arg)
3995 av_free (vstats_filename);
3996 vstats_filename=av_strdup (arg);
4000 static int opt_vstats(const char *opt, const char *arg)
4003 time_t today2 = time(NULL);
4004 struct tm *today = localtime(&today2);
4006 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4008 return opt_vstats_file(opt, filename);
4011 static int opt_bsf(const char *opt, const char *arg)
4013 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4014 AVBitStreamFilterContext **bsfp;
4017 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4021 bsfp= *opt == 'v' ? &video_bitstream_filters :
4022 *opt == 'a' ? &audio_bitstream_filters :
4023 &subtitle_bitstream_filters;
4025 bsfp= &(*bsfp)->next;
4032 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4034 return parse_option(o, "frames:v", arg, options);
4037 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4039 return parse_option(o, "frames:a", arg, options);
4042 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4044 return parse_option(o, "frames:d", arg, options);
4047 #define OFFSET(x) offsetof(OptionsContext, x)
4048 static const OptionDef options[] = {
4050 #include "cmdutils_common_opts.h"
4051 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4052 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4053 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4054 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4055 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4056 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4057 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4058 "outfile[,metadata]:infile[,metadata]" },
4059 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4060 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4061 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4062 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4063 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4064 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4065 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4066 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4067 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4068 "add timings for benchmarking" },
4069 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4070 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4071 "dump each input packet" },
4072 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4073 "when dumping packets, also dump the payload" },
4074 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4075 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4076 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4077 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4078 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4079 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4080 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4081 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4082 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4083 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4084 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4085 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4086 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4087 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4090 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4091 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4092 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4093 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4094 { "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" },
4095 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4096 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4097 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4098 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4099 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4100 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4101 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4102 "use same quantizer as source (implies VBR)" },
4103 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4104 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4105 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4106 "deinterlace pictures" },
4107 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4108 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4109 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4111 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4113 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4114 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4115 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4116 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4117 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4118 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4119 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4120 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4121 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4122 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4125 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4126 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4127 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4128 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4129 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4130 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4131 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4132 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4133 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4134 { "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" },
4136 /* subtitle options */
4137 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4138 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4139 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4140 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4143 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4146 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4147 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4149 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4150 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4151 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4153 /* data codec support */
4154 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4156 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4160 int main(int argc, char **argv)
4162 OptionsContext o = { 0 };
4167 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4169 avcodec_register_all();
4171 avdevice_register_all();
4174 avfilter_register_all();
4178 avio_set_interrupt_cb(decode_interrupt_cb);
4183 parse_options(&o, argc, argv, options, opt_output_file);
4185 if(nb_output_files <= 0 && nb_input_files == 0) {
4187 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4191 /* file converter / grab */
4192 if (nb_output_files <= 0) {
4193 fprintf(stderr, "At least one output file must be specified\n");
4197 if (nb_input_files == 0) {
4198 fprintf(stderr, "At least one input file must be specified\n");
4203 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4205 ti = getutime() - ti;
4207 int maxrss = getmaxrss() / 1024;
4208 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);