3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static char *video_codec_name = NULL;
149 static unsigned int video_codec_tag = 0;
150 static char *video_language = NULL;
151 static int same_quant = 0;
152 static int do_deinterlace = 0;
153 static int top_field_first = -1;
154 static int me_threshold = 0;
155 static int intra_dc_precision = 8;
156 static int loop_input = 0;
157 static int loop_output = AVFMT_NOOUTPUTLOOP;
158 static int qp_hist = 0;
160 static char *vfilters = NULL;
163 static int intra_only = 0;
164 static int audio_sample_rate = 0;
165 #define QSCALE_NONE -99999
166 static float audio_qscale = QSCALE_NONE;
167 static int audio_disable = 0;
168 static int audio_channels = 0;
169 static char *audio_codec_name = NULL;
170 static unsigned int audio_codec_tag = 0;
171 static char *audio_language = NULL;
173 static int subtitle_disable = 0;
174 static char *subtitle_codec_name = NULL;
175 static char *subtitle_language = NULL;
176 static unsigned int subtitle_codec_tag = 0;
178 static int data_disable = 0;
179 static char *data_codec_name = NULL;
180 static unsigned int data_codec_tag = 0;
182 static float mux_preload= 0.5;
183 static float mux_max_delay= 0.7;
185 static int64_t recording_time = INT64_MAX;
186 static int64_t start_time = 0;
187 static int64_t input_ts_offset = 0;
188 static int file_overwrite = 0;
189 static AVDictionary *metadata;
190 static int do_benchmark = 0;
191 static int do_hex_dump = 0;
192 static int do_pkt_dump = 0;
193 static int do_psnr = 0;
194 static int do_pass = 0;
195 static const char *pass_logfilename_prefix;
196 static int video_sync_method= -1;
197 static int audio_sync_method= 0;
198 static float audio_drift_threshold= 0.1;
199 static int copy_ts= 0;
200 static int copy_tb= 0;
201 static int opt_shortest = 0;
202 static char *vstats_filename;
203 static FILE *vstats_file;
204 static int opt_programid = 0;
205 static int copy_initial_nonkeyframes = 0;
207 static int rate_emu = 0;
209 static int audio_volume = 256;
211 static int exit_on_error = 0;
212 static int using_stdin = 0;
213 static int verbose = 1;
214 static int run_as_daemon = 0;
215 static int thread_count= 1;
216 static int q_pressed = 0;
217 static int64_t video_size = 0;
218 static int64_t audio_size = 0;
219 static int64_t extra_size = 0;
220 static int nb_frames_dup = 0;
221 static int nb_frames_drop = 0;
222 static int input_sync;
223 static uint64_t limit_filesize = UINT64_MAX;
224 static int force_fps = 0;
225 static char *forced_key_frames = NULL;
227 static float dts_delta_threshold = 10;
229 static uint8_t *audio_buf;
230 static uint8_t *audio_out;
231 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
233 static short *samples;
235 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
236 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
237 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
239 static uint8_t *input_tmp= NULL;
241 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
243 typedef struct InputStream {
246 int discard; /* true if stream data should be discarded */
247 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
250 int64_t start; /* time when read started */
251 int64_t next_pts; /* synthetic pts for cases where pkt.pts
253 int64_t pts; /* current pts */
255 int is_start; /* is 1 at the start and after a discontinuity */
256 int showed_multi_packet_warning;
260 typedef struct InputFile {
261 AVFormatContext *ctx;
262 int eof_reached; /* true if eof reached */
263 int ist_index; /* index of first stream in ist_table */
264 int buffer_size; /* current total buffer size */
266 int nb_streams; /* number of stream that avconv is aware of; may be different
267 from ctx.nb_streams if new streams appear during av_read_frame() */
270 typedef struct OutputStream {
271 int file_index; /* file index */
272 int index; /* stream index in the output file */
273 int source_index; /* InputStream index */
274 AVStream *st; /* stream in the output file */
275 int encoding_needed; /* true if encoding needed for this stream */
277 /* input pts and corresponding output pts
279 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
280 struct InputStream *sync_ist; /* input stream to sync against */
281 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
282 AVBitStreamFilterContext *bitstream_filters;
287 AVFrame resample_frame; /* temporary frame for image resampling */
288 struct SwsContext *img_resample_ctx; /* for image resampling */
291 int resample_pix_fmt;
292 AVRational frame_rate;
294 float frame_aspect_ratio;
296 /* forced key frames */
297 int64_t *forced_kf_pts;
303 ReSampleContext *resample; /* for audio resampling */
304 int resample_sample_fmt;
305 int resample_channels;
306 int resample_sample_rate;
308 AVAudioConvert *reformat_ctx;
309 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
313 AVFilterContext *output_video_filter;
314 AVFilterContext *input_video_filter;
315 AVFilterBufferRef *picref;
317 AVFilterGraph *graph;
322 int is_past_recording_time;
328 /* init terminal so that we can grab keys */
329 static struct termios oldtty;
332 typedef struct OutputFile {
333 AVFormatContext *ctx;
335 int ost_index; /* index of the first stream in output_streams */
336 int64_t recording_time; /* desired length of the resulting file in microseconds */
337 int64_t start_time; /* start time in microseconds */
338 uint64_t limit_filesize;
341 static InputStream *input_streams = NULL;
342 static int nb_input_streams = 0;
343 static InputFile *input_files = NULL;
344 static int nb_input_files = 0;
346 static OutputStream *output_streams = NULL;
347 static int nb_output_streams = 0;
348 static OutputFile *output_files = NULL;
349 static int nb_output_files = 0;
353 static int configure_video_filters(InputStream *ist, OutputStream *ost)
355 AVFilterContext *last_filter, *filter;
356 /** filter graph containing all filters including input & output */
357 AVCodecContext *codec = ost->st->codec;
358 AVCodecContext *icodec = ist->st->codec;
359 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
360 AVRational sample_aspect_ratio;
364 ost->graph = avfilter_graph_alloc();
366 if (ist->st->sample_aspect_ratio.num){
367 sample_aspect_ratio = ist->st->sample_aspect_ratio;
369 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
371 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
372 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
373 sample_aspect_ratio.num, sample_aspect_ratio.den);
375 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
376 "src", args, NULL, ost->graph);
379 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
380 "out", NULL, pix_fmts, ost->graph);
383 last_filter = ost->input_video_filter;
385 if (codec->width != icodec->width || codec->height != icodec->height) {
386 snprintf(args, 255, "%d:%d:flags=0x%X",
390 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
391 NULL, args, NULL, ost->graph)) < 0)
393 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
395 last_filter = filter;
398 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
399 ost->graph->scale_sws_opts = av_strdup(args);
402 AVFilterInOut *outputs = avfilter_inout_alloc();
403 AVFilterInOut *inputs = avfilter_inout_alloc();
405 outputs->name = av_strdup("in");
406 outputs->filter_ctx = last_filter;
407 outputs->pad_idx = 0;
408 outputs->next = NULL;
410 inputs->name = av_strdup("out");
411 inputs->filter_ctx = ost->output_video_filter;
415 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
417 av_freep(&ost->avfilter);
419 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
423 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
426 codec->width = ost->output_video_filter->inputs[0]->w;
427 codec->height = ost->output_video_filter->inputs[0]->h;
428 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
429 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
430 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
431 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
435 #endif /* CONFIG_AVFILTER */
437 static void term_exit(void)
439 av_log(NULL, AV_LOG_QUIET, "%s", "");
442 tcsetattr (0, TCSANOW, &oldtty);
446 static volatile int received_sigterm = 0;
449 sigterm_handler(int sig)
451 received_sigterm = sig;
456 static void term_init(void)
466 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
467 |INLCR|IGNCR|ICRNL|IXON);
468 tty.c_oflag |= OPOST;
469 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
470 tty.c_cflag &= ~(CSIZE|PARENB);
475 tcsetattr (0, TCSANOW, &tty);
476 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
480 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
481 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
483 signal(SIGXCPU, sigterm_handler);
487 /* read a key without blocking */
488 static int read_key(void)
503 n = select(1, &rfds, NULL, NULL, &tv);
518 static int decode_interrupt_cb(void)
520 q_pressed += read_key() == 'q';
521 return q_pressed > 1;
524 static int exit_program(int ret)
529 for(i=0;i<nb_output_files;i++) {
530 AVFormatContext *s = output_files[i].ctx;
531 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
533 avformat_free_context(s);
534 av_dict_free(&output_files[i].opts);
536 for(i=0;i<nb_input_files;i++) {
537 av_close_input_file(input_files[i].ctx);
539 for (i = 0; i < nb_input_streams; i++)
540 av_dict_free(&input_streams[i].opts);
542 av_free(intra_matrix);
543 av_free(inter_matrix);
547 av_free(vstats_filename);
549 av_free(meta_data_maps);
551 av_freep(&input_streams);
552 av_freep(&input_files);
553 av_freep(&output_streams);
554 av_freep(&output_files);
559 allocated_audio_buf_size= allocated_audio_out_size= 0;
566 av_freep(&input_tmp);
568 if (received_sigterm) {
570 "Received signal %d: terminating.\n",
571 (int) received_sigterm);
575 exit(ret); /* not all OS-es handle main() return value */
579 static void assert_avoptions(AVDictionary *m)
581 AVDictionaryEntry *t;
582 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
583 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
588 static void assert_codec_experimental(AVCodecContext *c, int encoder)
590 const char *codec_string = encoder ? "encoder" : "decoder";
592 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
593 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
594 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
595 "results.\nAdd '-strict experimental' if you want to use it.\n",
596 codec_string, c->codec->name);
597 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
598 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
599 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
600 codec_string, codec->name);
605 /* similar to ff_dynarray_add() and av_fast_realloc() */
606 static void *grow_array(void *array, int elem_size, int *size, int new_size)
608 if (new_size >= INT_MAX / elem_size) {
609 fprintf(stderr, "Array too big.\n");
612 if (*size < new_size) {
613 uint8_t *tmp = av_realloc(array, new_size*elem_size);
615 fprintf(stderr, "Could not alloc buffer.\n");
618 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
625 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
627 if(codec && codec->sample_fmts){
628 const enum AVSampleFormat *p= codec->sample_fmts;
630 if(*p == st->codec->sample_fmt)
634 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
635 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
636 if(av_get_sample_fmt_name(st->codec->sample_fmt))
637 av_log(NULL, AV_LOG_WARNING,
638 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
639 av_get_sample_fmt_name(st->codec->sample_fmt),
641 av_get_sample_fmt_name(codec->sample_fmts[0]));
642 st->codec->sample_fmt = codec->sample_fmts[0];
647 static void choose_sample_rate(AVStream *st, AVCodec *codec)
649 if(codec && codec->supported_samplerates){
650 const int *p= codec->supported_samplerates;
652 int best_dist=INT_MAX;
654 int dist= abs(st->codec->sample_rate - *p);
655 if(dist < best_dist){
661 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
663 st->codec->sample_rate= best;
667 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
669 if(codec && codec->pix_fmts){
670 const enum PixelFormat *p= codec->pix_fmts;
671 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
672 if(st->codec->codec_id==CODEC_ID_MJPEG){
673 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
674 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
675 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};
679 if(*p == st->codec->pix_fmt)
683 if(st->codec->pix_fmt != PIX_FMT_NONE)
684 av_log(NULL, AV_LOG_WARNING,
685 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
686 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
688 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
689 st->codec->pix_fmt = codec->pix_fmts[0];
695 get_sync_ipts(const OutputStream *ost)
697 const InputStream *ist = ost->sync_ist;
698 OutputFile *of = &output_files[ost->file_index];
699 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
702 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
706 AVPacket new_pkt= *pkt;
707 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
708 &new_pkt.data, &new_pkt.size,
709 pkt->data, pkt->size,
710 pkt->flags & AV_PKT_FLAG_KEY);
713 new_pkt.destruct= av_destruct_packet;
715 fprintf(stderr, "%s failed for stream %d, codec %s",
716 bsfc->filter->name, pkt->stream_index,
717 avctx->codec ? avctx->codec->name : "copy");
727 ret= av_interleaved_write_frame(s, pkt);
729 print_error("av_interleaved_write_frame()", ret);
734 static void do_audio_out(AVFormatContext *s,
737 unsigned char *buf, int size)
740 int64_t audio_out_size, audio_buf_size;
741 int64_t allocated_for_size= size;
743 int size_out, frame_bytes, ret, resample_changed;
744 AVCodecContext *enc= ost->st->codec;
745 AVCodecContext *dec= ist->st->codec;
746 int osize = av_get_bytes_per_sample(enc->sample_fmt);
747 int isize = av_get_bytes_per_sample(dec->sample_fmt);
748 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
751 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
752 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
753 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
754 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
755 audio_buf_size*= osize*enc->channels;
757 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
758 if(coded_bps > 8*osize)
759 audio_out_size= audio_out_size * coded_bps / (8*osize);
760 audio_out_size += FF_MIN_BUFFER_SIZE;
762 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
763 fprintf(stderr, "Buffer sizes too large\n");
767 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
768 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
769 if (!audio_buf || !audio_out){
770 fprintf(stderr, "Out of memory in do_audio_out\n");
774 if (enc->channels != dec->channels)
775 ost->audio_resample = 1;
777 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
778 ost->resample_channels != dec->channels ||
779 ost->resample_sample_rate != dec->sample_rate;
781 if ((ost->audio_resample && !ost->resample) || resample_changed) {
782 if (resample_changed) {
783 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",
784 ist->file_index, ist->st->index,
785 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
786 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
787 ost->resample_sample_fmt = dec->sample_fmt;
788 ost->resample_channels = dec->channels;
789 ost->resample_sample_rate = dec->sample_rate;
791 audio_resample_close(ost->resample);
793 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
794 if (audio_sync_method <= 1 &&
795 ost->resample_sample_fmt == enc->sample_fmt &&
796 ost->resample_channels == enc->channels &&
797 ost->resample_sample_rate == enc->sample_rate) {
798 ost->resample = NULL;
799 ost->audio_resample = 0;
801 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
802 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
803 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
804 enc->sample_rate, dec->sample_rate,
805 enc->sample_fmt, dec->sample_fmt,
807 if (!ost->resample) {
808 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
809 dec->channels, dec->sample_rate,
810 enc->channels, enc->sample_rate);
816 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
817 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
818 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
819 if (ost->reformat_ctx)
820 av_audio_convert_free(ost->reformat_ctx);
821 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
822 dec->sample_fmt, 1, NULL, 0);
823 if (!ost->reformat_ctx) {
824 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
825 av_get_sample_fmt_name(dec->sample_fmt),
826 av_get_sample_fmt_name(enc->sample_fmt));
829 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
832 if(audio_sync_method){
833 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
834 - av_fifo_size(ost->fifo)/(enc->channels * 2);
835 double idelta= delta*dec->sample_rate / enc->sample_rate;
836 int byte_delta= ((int)idelta)*2*dec->channels;
838 //FIXME resample delay
839 if(fabs(delta) > 50){
840 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
842 byte_delta= FFMAX(byte_delta, -size);
846 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
851 input_tmp= av_realloc(input_tmp, byte_delta + size);
853 if(byte_delta > allocated_for_size - size){
854 allocated_for_size= byte_delta + (int64_t)size;
859 memset(input_tmp, 0, byte_delta);
860 memcpy(input_tmp + byte_delta, buf, size);
864 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
866 }else if(audio_sync_method>1){
867 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
868 av_assert0(ost->audio_resample);
870 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
871 // 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));
872 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
876 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
877 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
879 if (ost->audio_resample) {
881 size_out = audio_resample(ost->resample,
882 (short *)buftmp, (short *)buf,
883 size / (dec->channels * isize));
884 size_out = size_out * enc->channels * osize;
890 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
891 const void *ibuf[6]= {buftmp};
892 void *obuf[6]= {audio_buf};
893 int istride[6]= {isize};
894 int ostride[6]= {osize};
895 int len= size_out/istride[0];
896 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
897 printf("av_audio_convert() failed\n");
903 size_out = len*osize;
906 /* now encode as many frames as possible */
907 if (enc->frame_size > 1) {
908 /* output resampled raw samples */
909 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
910 fprintf(stderr, "av_fifo_realloc2() failed\n");
913 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
915 frame_bytes = enc->frame_size * osize * enc->channels;
917 while (av_fifo_size(ost->fifo) >= frame_bytes) {
919 av_init_packet(&pkt);
921 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
923 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
925 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
928 fprintf(stderr, "Audio encoding failed\n");
932 pkt.stream_index= ost->index;
935 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
936 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
937 pkt.flags |= AV_PKT_FLAG_KEY;
938 write_frame(s, &pkt, enc, ost->bitstream_filters);
940 ost->sync_opts += enc->frame_size;
944 av_init_packet(&pkt);
946 ost->sync_opts += size_out / (osize * enc->channels);
948 /* output a pcm frame */
949 /* determine the size of the coded buffer */
952 size_out = size_out*coded_bps/8;
954 if(size_out > audio_out_size){
955 fprintf(stderr, "Internal error, buffer size too small\n");
959 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
960 ret = avcodec_encode_audio(enc, audio_out, size_out,
963 fprintf(stderr, "Audio encoding failed\n");
967 pkt.stream_index= ost->index;
970 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
971 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
972 pkt.flags |= AV_PKT_FLAG_KEY;
973 write_frame(s, &pkt, enc, ost->bitstream_filters);
977 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
981 AVPicture picture_tmp;
984 dec = ist->st->codec;
986 /* deinterlace : must be done before any resize */
987 if (do_deinterlace) {
990 /* create temporary picture */
991 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
992 buf = av_malloc(size);
996 picture2 = &picture_tmp;
997 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
999 if(avpicture_deinterlace(picture2, picture,
1000 dec->pix_fmt, dec->width, dec->height) < 0) {
1001 /* if error, do not deinterlace */
1002 fprintf(stderr, "Deinterlacing failed\n");
1011 if (picture != picture2)
1012 *picture = *picture2;
1016 static void do_subtitle_out(AVFormatContext *s,
1022 static uint8_t *subtitle_out = NULL;
1023 int subtitle_out_max_size = 1024 * 1024;
1024 int subtitle_out_size, nb, i;
1025 AVCodecContext *enc;
1028 if (pts == AV_NOPTS_VALUE) {
1029 fprintf(stderr, "Subtitle packets must have a pts\n");
1035 enc = ost->st->codec;
1037 if (!subtitle_out) {
1038 subtitle_out = av_malloc(subtitle_out_max_size);
1041 /* Note: DVB subtitle need one packet to draw them and one other
1042 packet to clear them */
1043 /* XXX: signal it in the codec context ? */
1044 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1049 for(i = 0; i < nb; i++) {
1050 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1051 // start_display_time is required to be 0
1052 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1053 sub->end_display_time -= sub->start_display_time;
1054 sub->start_display_time = 0;
1055 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1056 subtitle_out_max_size, sub);
1057 if (subtitle_out_size < 0) {
1058 fprintf(stderr, "Subtitle encoding failed\n");
1062 av_init_packet(&pkt);
1063 pkt.stream_index = ost->index;
1064 pkt.data = subtitle_out;
1065 pkt.size = subtitle_out_size;
1066 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1067 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1068 /* XXX: the pts correction is handled here. Maybe handling
1069 it in the codec would be better */
1071 pkt.pts += 90 * sub->start_display_time;
1073 pkt.pts += 90 * sub->end_display_time;
1075 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1079 static int bit_buffer_size= 1024*256;
1080 static uint8_t *bit_buffer= NULL;
1082 static void do_video_resample(OutputStream *ost,
1084 AVFrame *in_picture,
1085 AVFrame **out_picture)
1088 *out_picture = in_picture;
1090 AVCodecContext *dec = ist->st->codec;
1091 AVCodecContext *enc = ost->st->codec;
1092 int resample_changed = ost->resample_width != dec->width ||
1093 ost->resample_height != dec->height ||
1094 ost->resample_pix_fmt != dec->pix_fmt;
1096 *out_picture = in_picture;
1097 if (resample_changed) {
1098 av_log(NULL, AV_LOG_INFO,
1099 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1100 ist->file_index, ist->st->index,
1101 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1102 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1103 ost->resample_width = dec->width;
1104 ost->resample_height = dec->height;
1105 ost->resample_pix_fmt = dec->pix_fmt;
1108 ost->video_resample = dec->width != enc->width ||
1109 dec->height != enc->height ||
1110 dec->pix_fmt != enc->pix_fmt;
1112 if (ost->video_resample) {
1113 *out_picture = &ost->resample_frame;
1114 if (!ost->img_resample_ctx || resample_changed) {
1115 /* initialize the destination picture */
1116 if (!ost->resample_frame.data[0]) {
1117 avcodec_get_frame_defaults(&ost->resample_frame);
1118 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1119 enc->width, enc->height)) {
1120 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1124 /* initialize a new scaler context */
1125 sws_freeContext(ost->img_resample_ctx);
1126 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1127 enc->width, enc->height, enc->pix_fmt,
1128 ost->sws_flags, NULL, NULL, NULL);
1129 if (ost->img_resample_ctx == NULL) {
1130 fprintf(stderr, "Cannot get resampling context\n");
1134 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1135 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1141 static void do_video_out(AVFormatContext *s,
1144 AVFrame *in_picture,
1145 int *frame_size, float quality)
1147 int nb_frames, i, ret, format_video_sync;
1148 AVFrame *final_picture;
1149 AVCodecContext *enc;
1152 enc = ost->st->codec;
1154 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1156 /* by default, we output a single frame */
1161 format_video_sync = video_sync_method;
1162 if (format_video_sync < 0)
1163 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1165 if (format_video_sync) {
1166 double vdelta = sync_ipts - ost->sync_opts;
1167 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1170 else if (format_video_sync == 2) {
1173 }else if(vdelta>0.6)
1174 ost->sync_opts= lrintf(sync_ipts);
1175 }else if (vdelta > 1.1)
1176 nb_frames = lrintf(vdelta);
1177 //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);
1178 if (nb_frames == 0){
1181 fprintf(stderr, "*** drop!\n");
1182 }else if (nb_frames > 1) {
1183 nb_frames_dup += nb_frames - 1;
1185 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1188 ost->sync_opts= lrintf(sync_ipts);
1190 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1194 do_video_resample(ost, ist, in_picture, &final_picture);
1196 /* duplicates frame if needed */
1197 for(i=0;i<nb_frames;i++) {
1199 av_init_packet(&pkt);
1200 pkt.stream_index= ost->index;
1202 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1203 /* raw pictures are written as AVPicture structure to
1204 avoid any copies. We support temporarily the older
1206 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1207 enc->coded_frame->top_field_first = in_picture->top_field_first;
1208 pkt.data= (uint8_t *)final_picture;
1209 pkt.size= sizeof(AVPicture);
1210 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1211 pkt.flags |= AV_PKT_FLAG_KEY;
1213 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1215 AVFrame big_picture;
1217 big_picture= *final_picture;
1218 /* better than nothing: use input picture interlaced
1220 big_picture.interlaced_frame = in_picture->interlaced_frame;
1221 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1222 if(top_field_first == -1)
1223 big_picture.top_field_first = in_picture->top_field_first;
1225 big_picture.top_field_first = top_field_first;
1228 /* handles same_quant here. This is not correct because it may
1229 not be a global option */
1230 big_picture.quality = quality;
1232 big_picture.pict_type = 0;
1233 // big_picture.pts = AV_NOPTS_VALUE;
1234 big_picture.pts= ost->sync_opts;
1235 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1236 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1237 if (ost->forced_kf_index < ost->forced_kf_count &&
1238 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1239 big_picture.pict_type = AV_PICTURE_TYPE_I;
1240 ost->forced_kf_index++;
1242 ret = avcodec_encode_video(enc,
1243 bit_buffer, bit_buffer_size,
1246 fprintf(stderr, "Video encoding failed\n");
1251 pkt.data= bit_buffer;
1253 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1254 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1255 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1256 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1257 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1259 if(enc->coded_frame->key_frame)
1260 pkt.flags |= AV_PKT_FLAG_KEY;
1261 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1264 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1265 // enc->frame_number-1, ret, enc->pict_type);
1266 /* if two pass, output log */
1267 if (ost->logfile && enc->stats_out) {
1268 fprintf(ost->logfile, "%s", enc->stats_out);
1273 ost->frame_number++;
1277 static double psnr(double d){
1278 return -10.0*log(d)/log(10.0);
1281 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1284 AVCodecContext *enc;
1286 double ti1, bitrate, avg_bitrate;
1288 /* this is executed just the first time do_video_stats is called */
1290 vstats_file = fopen(vstats_filename, "w");
1297 enc = ost->st->codec;
1298 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1299 frame_number = ost->frame_number;
1300 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1301 if (enc->flags&CODEC_FLAG_PSNR)
1302 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1304 fprintf(vstats_file,"f_size= %6d ", frame_size);
1305 /* compute pts value */
1306 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1310 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1311 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1312 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1313 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1314 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1318 static void print_report(OutputFile *output_files,
1319 OutputStream *ost_table, int nb_ostreams,
1320 int is_last_report, int64_t timer_start)
1324 AVFormatContext *oc;
1326 AVCodecContext *enc;
1327 int frame_number, vid, i;
1329 int64_t pts = INT64_MAX;
1330 static int64_t last_time = -1;
1331 static int qp_histogram[52];
1333 if (!is_last_report) {
1335 /* display the report every 0.5 seconds */
1336 cur_time = av_gettime();
1337 if (last_time == -1) {
1338 last_time = cur_time;
1341 if ((cur_time - last_time) < 500000)
1343 last_time = cur_time;
1347 oc = output_files[0].ctx;
1349 total_size = avio_size(oc->pb);
1350 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1351 total_size= avio_tell(oc->pb);
1355 for(i=0;i<nb_ostreams;i++) {
1357 ost = &ost_table[i];
1358 enc = ost->st->codec;
1359 if (!ost->st->stream_copy && enc->coded_frame)
1360 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1361 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1364 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 float t = (av_gettime()-timer_start) / 1000000.0;
1367 frame_number = ost->frame_number;
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1369 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1375 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1380 if (enc->flags&CODEC_FLAG_PSNR){
1382 double error, error_sum=0;
1383 double scale, scale_sum=0;
1384 char type[3]= {'Y','U','V'};
1385 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1388 error= enc->error[j];
1389 scale= enc->width*enc->height*255.0*255.0*frame_number;
1391 error= enc->coded_frame->error[j];
1392 scale= enc->width*enc->height*255.0*255.0;
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1399 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1403 /* compute min output value */
1404 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1405 ost->st->time_base, AV_TIME_BASE_Q));
1408 if (verbose > 0 || is_last_report) {
1409 int hours, mins, secs, us;
1410 secs = pts / AV_TIME_BASE;
1411 us = pts % AV_TIME_BASE;
1417 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1420 "size=%8.0fkB time=", total_size / 1024.0);
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1422 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1423 (100 * us) / AV_TIME_BASE);
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1425 "bitrate=%6.1fkbits/s", bitrate);
1427 if (nb_frames_dup || nb_frames_drop)
1428 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1429 nb_frames_dup, nb_frames_drop);
1432 fprintf(stderr, "%s \r", buf);
1437 if (is_last_report && verbose >= 0){
1438 int64_t raw= audio_size + video_size + extra_size;
1439 fprintf(stderr, "\n");
1440 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1444 100.0*(total_size - raw)/raw
1449 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1451 int fill_char = 0x00;
1452 if (sample_fmt == AV_SAMPLE_FMT_U8)
1454 memset(buf, fill_char, size);
1457 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1461 for (i = 0; i < nb_ostreams; i++) {
1462 OutputStream *ost = &ost_table[i];
1463 AVCodecContext *enc = ost->st->codec;
1464 AVFormatContext *os = output_files[ost->file_index].ctx;
1466 if (!ost->encoding_needed)
1469 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1471 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1477 av_init_packet(&pkt);
1478 pkt.stream_index= ost->index;
1480 switch (ost->st->codec->codec_type) {
1481 case AVMEDIA_TYPE_AUDIO:
1482 fifo_bytes = av_fifo_size(ost->fifo);
1484 /* encode any samples remaining in fifo */
1485 if (fifo_bytes > 0) {
1486 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1487 int fs_tmp = enc->frame_size;
1489 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1490 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1491 enc->frame_size = fifo_bytes / (osize * enc->channels);
1493 int frame_bytes = enc->frame_size*osize*enc->channels;
1494 if (allocated_audio_buf_size < frame_bytes)
1496 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1499 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1500 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1501 ost->st->time_base.num, enc->sample_rate);
1502 enc->frame_size = fs_tmp;
1505 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1508 fprintf(stderr, "Audio encoding failed\n");
1512 pkt.flags |= AV_PKT_FLAG_KEY;
1514 case AVMEDIA_TYPE_VIDEO:
1515 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1517 fprintf(stderr, "Video encoding failed\n");
1521 if(enc->coded_frame && enc->coded_frame->key_frame)
1522 pkt.flags |= AV_PKT_FLAG_KEY;
1523 if (ost->logfile && enc->stats_out) {
1524 fprintf(ost->logfile, "%s", enc->stats_out);
1533 pkt.data = bit_buffer;
1535 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1536 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1537 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1542 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1543 static int output_packet(InputStream *ist, int ist_index,
1544 OutputStream *ost_table, int nb_ostreams,
1545 const AVPacket *pkt)
1547 AVFormatContext *os;
1552 void *buffer_to_free = NULL;
1553 static unsigned int samples_size= 0;
1554 AVSubtitle subtitle, *subtitle_to_free;
1555 int64_t pkt_pts = AV_NOPTS_VALUE;
1557 int frame_available;
1562 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1564 if(ist->next_pts == AV_NOPTS_VALUE)
1565 ist->next_pts= ist->pts;
1569 av_init_packet(&avpkt);
1577 if(pkt->dts != AV_NOPTS_VALUE)
1578 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1579 if(pkt->pts != AV_NOPTS_VALUE)
1580 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1582 //while we have more to decode or while the decoder did output something on EOF
1583 while (avpkt.size > 0 || (!pkt && got_output)) {
1584 uint8_t *data_buf, *decoded_data_buf;
1585 int data_size, decoded_data_size;
1587 ist->pts= ist->next_pts;
1589 if(avpkt.size && avpkt.size != pkt->size &&
1590 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1591 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1592 ist->showed_multi_packet_warning=1;
1595 /* decode the packet if needed */
1596 decoded_data_buf = NULL; /* fail safe */
1597 decoded_data_size= 0;
1598 data_buf = avpkt.data;
1599 data_size = avpkt.size;
1600 subtitle_to_free = NULL;
1601 if (ist->decoding_needed) {
1602 switch(ist->st->codec->codec_type) {
1603 case AVMEDIA_TYPE_AUDIO:{
1604 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1605 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1607 samples= av_malloc(samples_size);
1609 decoded_data_size= samples_size;
1610 /* XXX: could avoid copy if PCM 16 bits with same
1611 endianness as CPU */
1612 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1619 got_output = decoded_data_size > 0;
1620 /* Some bug in mpeg audio decoder gives */
1621 /* decoded_data_size < 0, it seems they are overflows */
1623 /* no audio frame */
1626 decoded_data_buf = (uint8_t *)samples;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1628 (ist->st->codec->sample_rate * ist->st->codec->channels);
1630 case AVMEDIA_TYPE_VIDEO:
1631 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1632 /* XXX: allocate picture correctly */
1633 avcodec_get_frame_defaults(&picture);
1634 avpkt.pts = pkt_pts;
1635 avpkt.dts = ist->pts;
1636 pkt_pts = AV_NOPTS_VALUE;
1638 ret = avcodec_decode_video2(ist->st->codec,
1639 &picture, &got_output, &avpkt);
1640 quality = same_quant ? picture.quality : 0;
1644 /* no picture yet */
1645 goto discard_packet;
1647 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1648 if (ist->st->codec->time_base.num != 0) {
1649 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1650 ist->next_pts += ((int64_t)AV_TIME_BASE *
1651 ist->st->codec->time_base.num * ticks) /
1652 ist->st->codec->time_base.den;
1655 buffer_to_free = NULL;
1656 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1658 case AVMEDIA_TYPE_SUBTITLE:
1659 ret = avcodec_decode_subtitle2(ist->st->codec,
1660 &subtitle, &got_output, &avpkt);
1664 goto discard_packet;
1666 subtitle_to_free = &subtitle;
1673 switch(ist->st->codec->codec_type) {
1674 case AVMEDIA_TYPE_AUDIO:
1675 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1676 ist->st->codec->sample_rate;
1678 case AVMEDIA_TYPE_VIDEO:
1679 if (ist->st->codec->time_base.num != 0) {
1680 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1681 ist->next_pts += ((int64_t)AV_TIME_BASE *
1682 ist->st->codec->time_base.num * ticks) /
1683 ist->st->codec->time_base.den;
1691 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1692 if (start_time == 0 || ist->pts >= start_time) {
1693 for(i=0;i<nb_ostreams;i++) {
1694 ost = &ost_table[i];
1695 if (ost->input_video_filter && ost->source_index == ist_index) {
1696 if (!picture.sample_aspect_ratio.num)
1697 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1698 picture.pts = ist->pts;
1700 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1706 // preprocess audio (volume)
1707 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1708 if (audio_volume != 256) {
1711 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1712 int v = ((*volp) * audio_volume + 128) >> 8;
1713 *volp++ = av_clip_int16(v);
1718 /* frame rate emulation */
1720 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1721 int64_t now = av_gettime() - ist->start;
1725 /* if output time reached then transcode raw format,
1726 encode packets and output them */
1727 for (i = 0; i < nb_ostreams; i++) {
1728 OutputFile *of = &output_files[ost_table[i].file_index];
1731 ost = &ost_table[i];
1732 if (ost->source_index != ist_index)
1735 if (of->start_time && ist->pts < of->start_time)
1738 if (of->recording_time != INT64_MAX &&
1739 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1740 (AVRational){1, 1000000}) >= 0) {
1741 ost->is_past_recording_time = 1;
1746 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1747 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1748 while (frame_available) {
1749 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1750 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1751 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1754 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1755 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1759 os = output_files[ost->file_index].ctx;
1761 /* set the input output pts pairs */
1762 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1764 if (ost->encoding_needed) {
1765 av_assert0(ist->decoding_needed);
1766 switch(ost->st->codec->codec_type) {
1767 case AVMEDIA_TYPE_AUDIO:
1768 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1770 case AVMEDIA_TYPE_VIDEO:
1772 if (ost->picref->video && !ost->frame_aspect_ratio)
1773 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1775 do_video_out(os, ost, ist, &picture, &frame_size,
1776 same_quant ? quality : ost->st->codec->global_quality);
1777 if (vstats_filename && frame_size)
1778 do_video_stats(os, ost, frame_size);
1780 case AVMEDIA_TYPE_SUBTITLE:
1781 do_subtitle_out(os, ost, ist, &subtitle,
1788 AVFrame avframe; //FIXME/XXX remove this
1791 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1792 av_init_packet(&opkt);
1794 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1795 #if !CONFIG_AVFILTER
1801 /* no reencoding needed : output the packet directly */
1802 /* force the input stream PTS */
1804 avcodec_get_frame_defaults(&avframe);
1805 ost->st->codec->coded_frame= &avframe;
1806 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1808 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1809 audio_size += data_size;
1810 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1811 video_size += data_size;
1815 opkt.stream_index= ost->index;
1816 if(pkt->pts != AV_NOPTS_VALUE)
1817 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1819 opkt.pts= AV_NOPTS_VALUE;
1821 if (pkt->dts == AV_NOPTS_VALUE)
1822 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1824 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1825 opkt.dts -= ost_tb_start_time;
1827 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1828 opkt.flags= pkt->flags;
1830 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1831 if( ost->st->codec->codec_id != CODEC_ID_H264
1832 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1833 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1835 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1836 opkt.destruct= av_destruct_packet;
1838 opkt.data = data_buf;
1839 opkt.size = data_size;
1842 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1843 /* store AVPicture in AVPacket, as expected by the output format */
1844 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1845 opkt.data = (uint8_t *)&pict;
1846 opkt.size = sizeof(AVPicture);
1847 opkt.flags |= AV_PKT_FLAG_KEY;
1849 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1850 ost->st->codec->frame_number++;
1851 ost->frame_number++;
1852 av_free_packet(&opkt);
1856 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1857 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1858 avfilter_unref_buffer(ost->picref);
1863 av_free(buffer_to_free);
1864 /* XXX: allocate the subtitles in the codec ? */
1865 if (subtitle_to_free) {
1866 avsubtitle_free(subtitle_to_free);
1867 subtitle_to_free = NULL;
1875 static void print_sdp(OutputFile *output_files, int n)
1879 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1883 for (i = 0; i < n; i++)
1884 avc[i] = output_files[i].ctx;
1886 av_sdp_create(avc, n, sdp, sizeof(sdp));
1887 printf("SDP:\n%s\n", sdp);
1892 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1893 char *error, int error_len)
1895 InputStream *ist = &input_streams[ist_index];
1896 if (ist->decoding_needed) {
1897 AVCodec *codec = ist->dec;
1899 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
1900 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1901 return AVERROR(EINVAL);
1903 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1904 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1905 ist->file_index, ist->st->index);
1906 return AVERROR(EINVAL);
1908 assert_codec_experimental(ist->st->codec, 0);
1909 assert_avoptions(ist->opts);
1912 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;
1913 ist->next_pts = AV_NOPTS_VALUE;
1919 static int transcode_init(OutputFile *output_files,
1920 int nb_output_files,
1921 InputFile *input_files,
1925 AVFormatContext *os;
1926 AVCodecContext *codec, *icodec;
1933 for (i = 0; i < nb_input_streams; i++)
1934 input_streams[i].start = av_gettime();
1936 /* output stream init */
1937 for(i=0;i<nb_output_files;i++) {
1938 os = output_files[i].ctx;
1939 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1940 av_dump_format(os, i, os->filename, 1);
1941 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1942 return AVERROR(EINVAL);
1946 /* for each output stream, we compute the right encoding parameters */
1947 for (i = 0; i < nb_output_streams; i++) {
1948 ost = &output_streams[i];
1949 os = output_files[ost->file_index].ctx;
1950 ist = &input_streams[ost->source_index];
1952 codec = ost->st->codec;
1953 icodec = ist->st->codec;
1955 ost->st->disposition = ist->st->disposition;
1956 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1957 codec->chroma_sample_location = icodec->chroma_sample_location;
1959 if (ost->st->stream_copy) {
1960 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1962 if (extra_size > INT_MAX) {
1963 return AVERROR(EINVAL);
1966 /* if stream_copy is selected, no need to decode or encode */
1967 codec->codec_id = icodec->codec_id;
1968 codec->codec_type = icodec->codec_type;
1970 if(!codec->codec_tag){
1971 if( !os->oformat->codec_tag
1972 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1973 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1974 codec->codec_tag = icodec->codec_tag;
1977 codec->bit_rate = icodec->bit_rate;
1978 codec->rc_max_rate = icodec->rc_max_rate;
1979 codec->rc_buffer_size = icodec->rc_buffer_size;
1980 codec->extradata= av_mallocz(extra_size);
1981 if (!codec->extradata) {
1982 return AVERROR(ENOMEM);
1984 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1985 codec->extradata_size= icodec->extradata_size;
1987 codec->time_base = ist->st->time_base;
1988 if(!strcmp(os->oformat->name, "avi")) {
1989 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1990 codec->time_base = icodec->time_base;
1991 codec->time_base.num *= icodec->ticks_per_frame;
1992 codec->time_base.den *= 2;
1994 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1995 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){
1996 codec->time_base = icodec->time_base;
1997 codec->time_base.num *= icodec->ticks_per_frame;
2000 av_reduce(&codec->time_base.num, &codec->time_base.den,
2001 codec->time_base.num, codec->time_base.den, INT_MAX);
2003 switch(codec->codec_type) {
2004 case AVMEDIA_TYPE_AUDIO:
2005 if(audio_volume != 256) {
2006 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2009 codec->channel_layout = icodec->channel_layout;
2010 codec->sample_rate = icodec->sample_rate;
2011 codec->channels = icodec->channels;
2012 codec->frame_size = icodec->frame_size;
2013 codec->audio_service_type = icodec->audio_service_type;
2014 codec->block_align= icodec->block_align;
2015 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2016 codec->block_align= 0;
2017 if(codec->codec_id == CODEC_ID_AC3)
2018 codec->block_align= 0;
2020 case AVMEDIA_TYPE_VIDEO:
2021 codec->pix_fmt = icodec->pix_fmt;
2022 codec->width = icodec->width;
2023 codec->height = icodec->height;
2024 codec->has_b_frames = icodec->has_b_frames;
2025 if (!codec->sample_aspect_ratio.num) {
2026 codec->sample_aspect_ratio =
2027 ost->st->sample_aspect_ratio =
2028 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2029 ist->st->codec->sample_aspect_ratio.num ?
2030 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2033 case AVMEDIA_TYPE_SUBTITLE:
2034 codec->width = icodec->width;
2035 codec->height = icodec->height;
2037 case AVMEDIA_TYPE_DATA:
2044 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2045 switch(codec->codec_type) {
2046 case AVMEDIA_TYPE_AUDIO:
2047 ost->fifo= av_fifo_alloc(1024);
2049 return AVERROR(ENOMEM);
2051 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2052 if (!codec->sample_rate) {
2053 codec->sample_rate = icodec->sample_rate;
2055 choose_sample_rate(ost->st, ost->enc);
2056 codec->time_base = (AVRational){1, codec->sample_rate};
2057 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2058 codec->sample_fmt = icodec->sample_fmt;
2059 choose_sample_fmt(ost->st, ost->enc);
2060 if (!codec->channels) {
2061 codec->channels = icodec->channels;
2062 codec->channel_layout = icodec->channel_layout;
2064 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2065 codec->channel_layout = 0;
2066 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2067 icodec->request_channels = codec->channels;
2068 ist->decoding_needed = 1;
2069 ost->encoding_needed = 1;
2070 ost->resample_sample_fmt = icodec->sample_fmt;
2071 ost->resample_sample_rate = icodec->sample_rate;
2072 ost->resample_channels = icodec->channels;
2074 case AVMEDIA_TYPE_VIDEO:
2075 if (codec->pix_fmt == PIX_FMT_NONE)
2076 codec->pix_fmt = icodec->pix_fmt;
2077 choose_pixel_fmt(ost->st, ost->enc);
2079 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2080 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2084 if (!codec->width || !codec->height) {
2085 codec->width = icodec->width;
2086 codec->height = icodec->height;
2089 ost->video_resample = codec->width != icodec->width ||
2090 codec->height != icodec->height ||
2091 codec->pix_fmt != icodec->pix_fmt;
2092 if (ost->video_resample) {
2093 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2096 ost->resample_height = icodec->height;
2097 ost->resample_width = icodec->width;
2098 ost->resample_pix_fmt= icodec->pix_fmt;
2099 ost->encoding_needed = 1;
2100 ist->decoding_needed = 1;
2102 if (!ost->frame_rate.num)
2103 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2104 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2105 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2106 ost->frame_rate = ost->enc->supported_framerates[idx];
2108 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2109 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2110 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2111 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2112 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2116 if (configure_video_filters(ist, ost)) {
2117 fprintf(stderr, "Error opening filters!\n");
2122 case AVMEDIA_TYPE_SUBTITLE:
2123 ost->encoding_needed = 1;
2124 ist->decoding_needed = 1;
2131 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2132 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2133 char logfilename[1024];
2136 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2137 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2139 if (codec->flags & CODEC_FLAG_PASS1) {
2140 f = fopen(logfilename, "wb");
2142 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2148 size_t logbuffer_size;
2149 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2150 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2153 codec->stats_in = logbuffer;
2157 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2158 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2159 int size= codec->width * codec->height;
2160 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2165 bit_buffer = av_malloc(bit_buffer_size);
2167 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2169 return AVERROR(ENOMEM);
2172 /* open each encoder */
2173 for (i = 0; i < nb_output_streams; i++) {
2174 ost = &output_streams[i];
2175 if (ost->encoding_needed) {
2176 AVCodec *codec = ost->enc;
2177 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2179 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2180 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2181 ret = AVERROR(EINVAL);
2184 if (dec->subtitle_header) {
2185 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2186 if (!ost->st->codec->subtitle_header) {
2187 ret = AVERROR(ENOMEM);
2190 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2191 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2193 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2194 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2195 ost->file_index, ost->index);
2196 ret = AVERROR(EINVAL);
2199 assert_codec_experimental(ost->st->codec, 1);
2200 assert_avoptions(ost->opts);
2201 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2202 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2203 "It takes bits/s as argument, not kbits/s\n");
2204 extra_size += ost->st->codec->extradata_size;
2208 /* init input streams */
2209 for (i = 0; i < nb_input_streams; i++)
2210 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2213 /* open files and write file headers */
2214 for (i = 0; i < nb_output_files; i++) {
2215 os = output_files[i].ctx;
2216 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2217 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2218 ret = AVERROR(EINVAL);
2221 // assert_avoptions(output_files[i].opts);
2222 if (strcmp(os->oformat->name, "rtp")) {
2228 /* dump the file output parameters - cannot be done before in case
2230 for(i=0;i<nb_output_files;i++) {
2231 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2234 /* dump the stream mapping */
2236 fprintf(stderr, "Stream mapping:\n");
2237 for (i = 0; i < nb_output_streams;i ++) {
2238 ost = &output_streams[i];
2239 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2240 input_streams[ost->source_index].file_index,
2241 input_streams[ost->source_index].st->index,
2244 if (ost->sync_ist != &input_streams[ost->source_index])
2245 fprintf(stderr, " [sync #%d.%d]",
2246 ost->sync_ist->file_index,
2247 ost->sync_ist->st->index);
2248 if (ost->st->stream_copy)
2249 fprintf(stderr, " (copy)");
2251 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2252 input_streams[ost->source_index].dec->name : "?",
2253 ost->enc ? ost->enc->name : "?");
2254 fprintf(stderr, "\n");
2259 fprintf(stderr, "%s\n", error);
2264 print_sdp(output_files, nb_output_files);
2271 * The following code is the main loop of the file converter
2273 static int transcode(OutputFile *output_files,
2274 int nb_output_files,
2275 InputFile *input_files,
2279 AVFormatContext *is, *os;
2283 int no_packet_count=0;
2284 int64_t timer_start;
2287 if (!(no_packet = av_mallocz(nb_input_files)))
2290 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2296 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2297 avio_set_interrupt_cb(decode_interrupt_cb);
2301 timer_start = av_gettime();
2303 for(; received_sigterm == 0;) {
2304 int file_index, ist_index;
2309 ipts_min= INT64_MAX;
2311 /* if 'q' pressed, exits */
2315 /* read_key() returns 0 on EOF */
2319 if (key == '+') verbose++;
2320 if (key == '-') verbose--;
2321 if (key == 's') qp_hist ^= 1;
2324 do_hex_dump = do_pkt_dump = 0;
2325 } else if(do_pkt_dump){
2329 av_log_set_level(AV_LOG_DEBUG);
2332 if (key == 'c' || key == 'C'){
2333 char ret[4096], target[64], cmd[256], arg[256]={0};
2336 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2338 while((k=read_key()) !='\n' && k!='\r' && i<sizeof(ret)-1)
2339 if(k>0) ret[i++]= k;
2341 if(k>0 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2342 for(i=0;i<nb_output_streams;i++) {
2344 ost = &output_streams[i];
2347 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2348 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2350 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2355 fprintf(stderr, "Parse error\n");
2359 if (key == 'd' || key == 'D'){
2362 debug = input_streams[0].st->codec->debug<<1;
2363 if(!debug) debug = 1;
2364 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2367 scanf("%d", &debug);
2368 for(i=0;i<nb_input_streams;i++) {
2369 input_streams[i].st->codec->debug = debug;
2371 for(i=0;i<nb_output_streams;i++) {
2372 ost = &output_streams[i];
2373 ost->st->codec->debug = debug;
2375 if(debug) av_log_set_level(AV_LOG_DEBUG);
2376 fprintf(stderr,"debug=%d\n", debug);
2379 fprintf(stderr, "key function\n"
2380 "? show this help\n"
2381 "+ increase verbosity\n"
2382 "- decrease verbosity\n"
2383 "c Send command to filtergraph\n"
2384 "D cycle through available debug modes\n"
2385 "h dump packets/hex press to cycle through the 3 states\n"
2387 "s Show QP histogram\n"
2392 /* select the stream that we must read now by looking at the
2393 smallest output pts */
2395 for (i = 0; i < nb_output_streams; i++) {
2399 ost = &output_streams[i];
2400 of = &output_files[ost->file_index];
2401 os = output_files[ost->file_index].ctx;
2402 ist = &input_streams[ost->source_index];
2403 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2404 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2406 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2408 if (!input_files[ist->file_index].eof_reached){
2409 if(ipts < ipts_min) {
2411 if(input_sync ) file_index = ist->file_index;
2413 if(opts < opts_min) {
2415 if(!input_sync) file_index = ist->file_index;
2418 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2423 /* if none, if is finished */
2424 if (file_index < 0) {
2425 if(no_packet_count){
2427 memset(no_packet, 0, nb_input_files);
2434 /* read a frame from it and output it in the fifo */
2435 is = input_files[file_index].ctx;
2436 ret= av_read_frame(is, &pkt);
2437 if(ret == AVERROR(EAGAIN)){
2438 no_packet[file_index]=1;
2443 input_files[file_index].eof_reached = 1;
2451 memset(no_packet, 0, nb_input_files);
2454 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2455 is->streams[pkt.stream_index]);
2457 /* the following test is needed in case new streams appear
2458 dynamically in stream : we ignore them */
2459 if (pkt.stream_index >= input_files[file_index].nb_streams)
2460 goto discard_packet;
2461 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2462 ist = &input_streams[ist_index];
2464 goto discard_packet;
2466 if (pkt.dts != AV_NOPTS_VALUE)
2467 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2468 if (pkt.pts != AV_NOPTS_VALUE)
2469 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2471 if (ist->ts_scale) {
2472 if(pkt.pts != AV_NOPTS_VALUE)
2473 pkt.pts *= ist->ts_scale;
2474 if(pkt.dts != AV_NOPTS_VALUE)
2475 pkt.dts *= ist->ts_scale;
2478 // 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);
2479 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2480 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2481 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2482 int64_t delta= pkt_dts - ist->next_pts;
2483 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2484 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2485 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2486 pkt_dts+1<ist->pts)&& !copy_ts){
2487 input_files[ist->file_index].ts_offset -= delta;
2489 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2490 delta, input_files[ist->file_index].ts_offset);
2491 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2492 if(pkt.pts != AV_NOPTS_VALUE)
2493 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2497 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2498 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2501 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2502 ist->file_index, ist->st->index);
2505 av_free_packet(&pkt);
2510 av_free_packet(&pkt);
2512 /* dump report by using the output first video and audio streams */
2513 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2516 /* at the end of stream, we must flush the decoder buffers */
2517 for (i = 0; i < nb_input_streams; i++) {
2518 ist = &input_streams[i];
2519 if (ist->decoding_needed) {
2520 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2523 flush_encoders(output_streams, nb_output_streams);
2527 /* write the trailer if needed and close file */
2528 for(i=0;i<nb_output_files;i++) {
2529 os = output_files[i].ctx;
2530 av_write_trailer(os);
2533 /* dump report by using the first video and audio streams */
2534 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2536 /* close each encoder */
2537 for (i = 0; i < nb_output_streams; i++) {
2538 ost = &output_streams[i];
2539 if (ost->encoding_needed) {
2540 av_freep(&ost->st->codec->stats_in);
2541 avcodec_close(ost->st->codec);
2544 avfilter_graph_free(&ost->graph);
2548 /* close each decoder */
2549 for (i = 0; i < nb_input_streams; i++) {
2550 ist = &input_streams[i];
2551 if (ist->decoding_needed) {
2552 avcodec_close(ist->st->codec);
2560 av_freep(&bit_buffer);
2561 av_freep(&no_packet);
2563 if (output_streams) {
2564 for (i = 0; i < nb_output_streams; i++) {
2565 ost = &output_streams[i];
2567 if (ost->st->stream_copy)
2568 av_freep(&ost->st->codec->extradata);
2570 fclose(ost->logfile);
2571 ost->logfile = NULL;
2573 av_fifo_free(ost->fifo); /* works even if fifo is not
2574 initialized but set to zero */
2575 av_freep(&ost->st->codec->subtitle_header);
2576 av_free(ost->resample_frame.data[0]);
2577 av_free(ost->forced_kf_pts);
2578 if (ost->video_resample)
2579 sws_freeContext(ost->img_resample_ctx);
2581 audio_resample_close(ost->resample);
2582 if (ost->reformat_ctx)
2583 av_audio_convert_free(ost->reformat_ctx);
2584 av_dict_free(&ost->opts);
2591 static int opt_format(const char *opt, const char *arg)
2593 last_asked_format = arg;
2597 static int opt_video_rc_override_string(const char *opt, const char *arg)
2599 video_rc_override_string = arg;
2603 static int opt_me_threshold(const char *opt, const char *arg)
2605 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2609 static int opt_verbose(const char *opt, const char *arg)
2611 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2615 static int opt_frame_rate(const char *opt, const char *arg)
2617 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2618 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2624 static int opt_frame_crop(const char *opt, const char *arg)
2626 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2627 return AVERROR(EINVAL);
2630 static int opt_frame_size(const char *opt, const char *arg)
2632 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2633 fprintf(stderr, "Incorrect frame size\n");
2634 return AVERROR(EINVAL);
2639 static int opt_pad(const char *opt, const char *arg) {
2640 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2644 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2646 if (strcmp(arg, "list")) {
2647 frame_pix_fmt = av_get_pix_fmt(arg);
2648 if (frame_pix_fmt == PIX_FMT_NONE) {
2649 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2650 return AVERROR(EINVAL);
2653 opt_pix_fmts(NULL, NULL);
2659 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2666 p = strchr(arg, ':');
2668 x = strtol(arg, &end, 10);
2670 y = strtol(end+1, &end, 10);
2672 ar = (double)x / (double)y;
2674 ar = strtod(arg, NULL);
2677 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2678 return AVERROR(EINVAL);
2680 frame_aspect_ratio = ar;
2684 static int opt_metadata(const char *opt, const char *arg)
2686 char *mid= strchr(arg, '=');
2689 fprintf(stderr, "Missing =\n");
2694 av_dict_set(&metadata, arg, mid, 0);
2699 static int opt_qscale(const char *opt, const char *arg)
2701 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2702 if (video_qscale <= 0 || video_qscale > 255) {
2703 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2704 return AVERROR(EINVAL);
2709 static int opt_top_field_first(const char *opt, const char *arg)
2711 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2712 return opt_default(opt, arg);
2715 static int opt_thread_count(const char *opt, const char *arg)
2717 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2720 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2725 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2727 if (strcmp(arg, "list")) {
2728 audio_sample_fmt = av_get_sample_fmt(arg);
2729 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2730 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2731 return AVERROR(EINVAL);
2736 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2737 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2743 static int opt_audio_rate(const char *opt, const char *arg)
2745 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2749 static int opt_audio_channels(const char *opt, const char *arg)
2751 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2755 static int opt_video_channel(const char *opt, const char *arg)
2757 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2758 return opt_default("channel", arg);
2761 static int opt_video_standard(const char *opt, const char *arg)
2763 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2764 return opt_default("standard", arg);
2767 static int opt_codec(const char *opt, const char *arg)
2769 switch(opt[strlen(opt)-1]){
2770 case 'a': audio_codec_name = arg; break;
2771 case 'v': video_codec_name = arg; break;
2772 case 's': subtitle_codec_name = arg; break;
2775 return av_dict_set(&codec_names, opt, arg, 0);
2778 static int opt_audio_codec(const char *opt, const char *arg)
2780 return opt_codec("codec:a", arg);
2783 static int opt_video_codec(const char *opt, const char *arg)
2785 return opt_codec("codec:v", arg);
2788 static int opt_subtitle_codec(const char *opt, const char *arg)
2790 return opt_codec("codec:s", arg);
2793 static int opt_data_codec(const char *opt, const char *arg)
2795 return opt_codec("codec:d", arg);
2798 static int opt_codec_tag(const char *opt, const char *arg)
2801 uint32_t *codec_tag;
2803 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2804 !strcmp(opt, "vtag") ? &video_codec_tag :
2805 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2809 *codec_tag = strtol(arg, &tail, 0);
2811 *codec_tag = AV_RL32(arg);
2816 static int opt_map(const char *opt, const char *arg)
2818 StreamMap *m = NULL;
2819 int i, negative = 0, file_idx;
2820 int sync_file_idx = -1, sync_stream_idx;
2828 map = av_strdup(arg);
2830 /* parse sync stream first, just pick first matching stream */
2831 if (sync = strchr(map, ',')) {
2833 sync_file_idx = strtol(sync + 1, &sync, 0);
2834 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2835 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2840 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2841 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2842 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2843 sync_stream_idx = i;
2846 if (i == input_files[sync_file_idx].nb_streams) {
2847 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2848 "match any streams.\n", arg);
2854 file_idx = strtol(map, &p, 0);
2855 if (file_idx >= nb_input_files || file_idx < 0) {
2856 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2860 /* disable some already defined maps */
2861 for (i = 0; i < nb_stream_maps; i++) {
2862 m = &stream_maps[i];
2863 if (check_stream_specifier(input_files[m->file_index].ctx,
2864 input_files[m->file_index].ctx->streams[m->stream_index],
2865 *p == ':' ? p + 1 : p) > 0)
2869 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2870 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2871 *p == ':' ? p + 1 : p) <= 0)
2873 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2874 m = &stream_maps[nb_stream_maps - 1];
2876 m->file_index = file_idx;
2877 m->stream_index = i;
2879 if (sync_file_idx >= 0) {
2880 m->sync_file_index = sync_file_idx;
2881 m->sync_stream_index = sync_stream_idx;
2883 m->sync_file_index = file_idx;
2884 m->sync_stream_index = i;
2889 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2897 static void parse_meta_type(char *arg, char *type, int *index)
2907 if (*(++arg) == ':')
2908 *index = strtol(++arg, NULL, 0);
2911 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2918 static int opt_map_metadata(const char *opt, const char *arg)
2920 MetadataMap *m, *m1;
2923 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2924 &nb_meta_data_maps, nb_meta_data_maps + 1);
2926 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2927 m->file = strtol(arg, &p, 0);
2928 parse_meta_type(p, &m->type, &m->index);
2930 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2931 if (p = strchr(opt, ':'))
2932 parse_meta_type(p, &m1->type, &m1->index);
2936 if (m->type == 'g' || m1->type == 'g')
2937 metadata_global_autocopy = 0;
2938 if (m->type == 's' || m1->type == 's')
2939 metadata_streams_autocopy = 0;
2940 if (m->type == 'c' || m1->type == 'c')
2941 metadata_chapters_autocopy = 0;
2946 static int opt_map_meta_data(const char *opt, const char *arg)
2948 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2949 "Use -map_metadata instead.\n");
2950 return opt_map_metadata(opt, arg);
2953 static int opt_input_ts_scale(const char *opt, const char *arg)
2955 return av_dict_set(&ts_scale, opt, arg, 0);
2958 static int opt_recording_time(const char *opt, const char *arg)
2960 recording_time = parse_time_or_die(opt, arg, 1);
2964 static int opt_start_time(const char *opt, const char *arg)
2966 start_time = parse_time_or_die(opt, arg, 1);
2970 static int opt_recording_timestamp(const char *opt, const char *arg)
2973 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2974 struct tm time = *gmtime((time_t*)&recording_timestamp);
2975 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2976 opt_metadata("metadata", buf);
2978 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2979 "tag instead.\n", opt);
2983 static int opt_input_ts_offset(const char *opt, const char *arg)
2985 input_ts_offset = parse_time_or_die(opt, arg, 1);
2989 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2991 const char *codec_string = encoder ? "encoder" : "decoder";
2995 return CODEC_ID_NONE;
2997 avcodec_find_encoder_by_name(name) :
2998 avcodec_find_decoder_by_name(name);
3000 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
3003 if(codec->type != type) {
3004 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
3010 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
3012 AVDictionaryEntry *e = NULL;
3013 char *codec_name = NULL;
3016 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
3017 char *p = strchr(e->key, ':');
3019 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3020 codec_name = e->value;
3027 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3028 return avcodec_find_encoder(st->codec->codec_id);
3030 } else if (!strcmp(codec_name, "copy"))
3031 st->stream_copy = 1;
3033 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3034 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3035 avcodec_find_decoder_by_name(codec_name);
3042 * Add all the streams from the given input file to the global
3043 * list of input streams.
3045 static void add_input_streams(AVFormatContext *ic)
3047 int i, rfps, rfps_base, ret;
3049 for (i = 0; i < ic->nb_streams; i++) {
3050 AVStream *st = ic->streams[i];
3051 AVCodecContext *dec = st->codec;
3052 AVDictionaryEntry *e = NULL;
3056 dec->thread_count = thread_count;
3058 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3059 ist = &input_streams[nb_input_streams - 1];
3061 ist->file_index = nb_input_files;
3063 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3065 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3066 char *p = strchr(e->key, ':');
3068 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3074 ist->ts_scale = strtod(scale, NULL);
3076 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3078 ist->dec = avcodec_find_decoder(dec->codec_id);
3080 switch (dec->codec_type) {
3081 case AVMEDIA_TYPE_AUDIO:
3083 ist->dec = avcodec_find_decoder(dec->codec_id);
3085 st->discard= AVDISCARD_ALL;
3087 case AVMEDIA_TYPE_VIDEO:
3089 ist->dec = avcodec_find_decoder(dec->codec_id);
3090 rfps = ic->streams[i]->r_frame_rate.num;
3091 rfps_base = ic->streams[i]->r_frame_rate.den;
3093 dec->flags |= CODEC_FLAG_EMU_EDGE;
3096 dec->debug |= FF_DEBUG_MV;
3098 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3101 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3102 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3104 (float)rfps / rfps_base, rfps, rfps_base);
3108 st->discard= AVDISCARD_ALL;
3109 else if(video_discard)
3110 st->discard= video_discard;
3112 case AVMEDIA_TYPE_DATA:
3114 case AVMEDIA_TYPE_SUBTITLE:
3116 ist->dec = avcodec_find_decoder(dec->codec_id);
3117 if(subtitle_disable)
3118 st->discard = AVDISCARD_ALL;
3120 case AVMEDIA_TYPE_ATTACHMENT:
3121 case AVMEDIA_TYPE_UNKNOWN:
3129 static int opt_input_file(const char *opt, const char *filename)
3131 AVFormatContext *ic;
3132 AVInputFormat *file_iformat = NULL;
3136 AVDictionary **opts;
3137 int orig_nb_streams; // number of streams before avformat_find_stream_info
3139 if (last_asked_format) {
3140 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3141 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3144 last_asked_format = NULL;
3147 if (!strcmp(filename, "-"))
3150 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3151 !strcmp(filename, "/dev/stdin");
3153 /* get default parameters from command line */
3154 ic = avformat_alloc_context();
3156 print_error(filename, AVERROR(ENOMEM));
3159 if (audio_sample_rate) {
3160 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3161 av_dict_set(&format_opts, "sample_rate", buf, 0);
3163 if (audio_channels) {
3164 snprintf(buf, sizeof(buf), "%d", audio_channels);
3165 av_dict_set(&format_opts, "channels", buf, 0);
3167 if (frame_rate.num) {
3168 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3169 av_dict_set(&format_opts, "framerate", buf, 0);
3171 if (frame_width && frame_height) {
3172 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3173 av_dict_set(&format_opts, "video_size", buf, 0);
3175 if (frame_pix_fmt != PIX_FMT_NONE)
3176 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3178 ic->flags |= AVFMT_FLAG_NONBLOCK;
3181 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3182 ic->loop_input = loop_input;
3185 /* open the input file with generic libav function */
3186 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3188 print_error(filename, err);
3191 assert_avoptions(format_opts);
3196 for(i=0; i<ic->nb_streams; i++){
3197 ic->streams[i]->discard= AVDISCARD_ALL;
3199 for(i=0; i<ic->nb_programs; i++){
3200 AVProgram *p= ic->programs[i];
3201 if(p->id != opt_programid){
3202 p->discard = AVDISCARD_ALL;
3205 for(j=0; j<p->nb_stream_indexes; j++){
3206 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3211 fprintf(stderr, "Specified program id not found\n");
3217 /* apply forced codec ids */
3218 for (i = 0; i < ic->nb_streams; i++)
3219 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3221 /* Set AVCodecContext options for avformat_find_stream_info */
3222 opts = setup_find_stream_info_opts(ic, codec_opts);
3223 orig_nb_streams = ic->nb_streams;
3225 /* If not enough info to get the stream parameters, we decode the
3226 first frames to get it. (used in mpeg case for example) */
3227 ret = avformat_find_stream_info(ic, opts);
3228 if (ret < 0 && verbose >= 0) {
3229 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3230 av_close_input_file(ic);
3234 timestamp = start_time;
3235 /* add the stream start time */
3236 if (ic->start_time != AV_NOPTS_VALUE)
3237 timestamp += ic->start_time;
3239 /* if seeking requested, we execute it */
3240 if (start_time != 0) {
3241 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3243 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3244 filename, (double)timestamp / AV_TIME_BASE);
3246 /* reset seek info */
3250 /* update the current parameters so that they match the one of the input stream */
3251 add_input_streams(ic);
3253 /* dump the file content */
3255 av_dump_format(ic, nb_input_files, filename, 0);
3257 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3258 input_files[nb_input_files - 1].ctx = ic;
3259 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3260 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3261 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3263 top_field_first = -1;
3264 frame_rate = (AVRational){0, 0};
3265 frame_pix_fmt = PIX_FMT_NONE;
3268 audio_sample_rate = 0;
3270 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3271 av_dict_free(&ts_scale);
3272 input_ts_offset = 0;
3274 for (i = 0; i < orig_nb_streams; i++)
3275 av_dict_free(&opts[i]);
3277 av_dict_free(&codec_names);
3283 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3284 AVCodecContext *avctx)
3290 for (p = kf; *p; p++)
3293 ost->forced_kf_count = n;
3294 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3295 if (!ost->forced_kf_pts) {
3296 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3299 for (i = 0; i < n; i++) {
3300 p = i ? strchr(p, ',') + 1 : kf;
3301 t = parse_time_or_die("force_key_frames", p, 1);
3302 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3306 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3309 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3310 int idx = oc->nb_streams - 1;
3313 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3317 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3318 nb_output_streams + 1);
3319 ost = &output_streams[nb_output_streams - 1];
3320 ost->file_index = nb_output_files;
3323 st->codec->codec_type = type;
3324 ost->enc = choose_codec(oc, st, type, codec_names);
3326 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3329 avcodec_get_context_defaults3(st->codec, ost->enc);
3330 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3332 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3336 static OutputStream *new_video_stream(AVFormatContext *oc)
3340 AVCodecContext *video_enc;
3342 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3344 if (!st->stream_copy) {
3345 ost->frame_aspect_ratio = frame_aspect_ratio;
3346 frame_aspect_ratio = 0;
3348 ost->avfilter = vfilters;
3353 ost->bitstream_filters = video_bitstream_filters;
3354 video_bitstream_filters= NULL;
3356 st->codec->thread_count= thread_count;
3358 video_enc = st->codec;
3361 video_enc->codec_tag= video_codec_tag;
3363 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3364 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3367 if (st->stream_copy) {
3368 video_enc->sample_aspect_ratio =
3369 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3375 ost->frame_rate = frame_rate;
3377 video_enc->width = frame_width;
3378 video_enc->height = frame_height;
3379 video_enc->pix_fmt = frame_pix_fmt;
3380 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3381 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3384 video_enc->gop_size = 0;
3385 if (video_qscale || same_quant) {
3386 video_enc->flags |= CODEC_FLAG_QSCALE;
3387 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3391 video_enc->intra_matrix = intra_matrix;
3393 video_enc->inter_matrix = inter_matrix;
3395 p= video_rc_override_string;
3398 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3400 fprintf(stderr, "error parsing rc_override\n");
3403 video_enc->rc_override=
3404 av_realloc(video_enc->rc_override,
3405 sizeof(RcOverride)*(i+1));
3406 video_enc->rc_override[i].start_frame= start;
3407 video_enc->rc_override[i].end_frame = end;
3409 video_enc->rc_override[i].qscale= q;
3410 video_enc->rc_override[i].quality_factor= 1.0;
3413 video_enc->rc_override[i].qscale= 0;
3414 video_enc->rc_override[i].quality_factor= -q/100.0;
3419 video_enc->rc_override_count=i;
3420 if (!video_enc->rc_initial_buffer_occupancy)
3421 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3422 video_enc->me_threshold= me_threshold;
3423 video_enc->intra_dc_precision= intra_dc_precision - 8;
3426 video_enc->flags|= CODEC_FLAG_PSNR;
3431 video_enc->flags |= CODEC_FLAG_PASS1;
3433 video_enc->flags |= CODEC_FLAG_PASS2;
3437 if (forced_key_frames)
3438 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3440 if (video_language) {
3441 av_dict_set(&st->metadata, "language", video_language, 0);
3442 av_freep(&video_language);
3445 /* reset some key parameters */
3447 av_freep(&forced_key_frames);
3448 frame_pix_fmt = PIX_FMT_NONE;
3452 static OutputStream *new_audio_stream(AVFormatContext *oc)
3456 AVCodecContext *audio_enc;
3458 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3461 ost->bitstream_filters = audio_bitstream_filters;
3462 audio_bitstream_filters= NULL;
3464 st->codec->thread_count= thread_count;
3466 audio_enc = st->codec;
3467 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3470 audio_enc->codec_tag= audio_codec_tag;
3472 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3473 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3475 if (!st->stream_copy) {
3476 if (audio_qscale > QSCALE_NONE) {
3477 audio_enc->flags |= CODEC_FLAG_QSCALE;
3478 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3481 audio_enc->channels = audio_channels;
3482 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3483 audio_enc->sample_fmt = audio_sample_fmt;
3484 if (audio_sample_rate)
3485 audio_enc->sample_rate = audio_sample_rate;
3487 if (audio_language) {
3488 av_dict_set(&st->metadata, "language", audio_language, 0);
3489 av_freep(&audio_language);
3492 /* reset some key parameters */
3498 static OutputStream *new_data_stream(AVFormatContext *oc)
3502 AVCodecContext *data_enc;
3504 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3506 data_enc = st->codec;
3507 if (!st->stream_copy) {
3508 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3513 data_enc->codec_tag= data_codec_tag;
3515 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3516 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3523 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3527 AVCodecContext *subtitle_enc;
3529 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3531 subtitle_enc = st->codec;
3533 ost->bitstream_filters = subtitle_bitstream_filters;
3534 subtitle_bitstream_filters= NULL;
3536 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3538 if(subtitle_codec_tag)
3539 subtitle_enc->codec_tag= subtitle_codec_tag;
3541 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3542 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3545 if (subtitle_language) {
3546 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3547 av_freep(&subtitle_language);
3550 subtitle_disable = 0;
3554 /* arg format is "output-stream-index:streamid-value". */
3555 static int opt_streamid(const char *opt, const char *arg)
3561 av_strlcpy(idx_str, arg, sizeof(idx_str));
3562 p = strchr(idx_str, ':');
3565 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3570 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3571 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3572 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3575 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3578 AVFormatContext *ic = NULL;
3580 err = avformat_open_input(&ic, filename, NULL, NULL);
3583 /* copy stream format */
3584 for(i=0;i<ic->nb_streams;i++) {
3589 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3590 ost = new_output_stream(s, codec->type);
3593 // FIXME: a more elegant solution is needed
3594 memcpy(st, ic->streams[i], sizeof(AVStream));
3595 st->info = av_malloc(sizeof(*st->info));
3596 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3597 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3599 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3600 choose_sample_fmt(st, codec);
3601 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3602 choose_pixel_fmt(st, codec);
3605 av_close_input_file(ic);
3610 static int copy_chapters(int infile, int outfile)
3612 AVFormatContext *is = input_files[infile].ctx;
3613 AVFormatContext *os = output_files[outfile].ctx;
3616 for (i = 0; i < is->nb_chapters; i++) {
3617 AVChapter *in_ch = is->chapters[i], *out_ch;
3618 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3619 AV_TIME_BASE_Q, in_ch->time_base);
3620 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3621 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3624 if (in_ch->end < ts_off)
3626 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3629 out_ch = av_mallocz(sizeof(AVChapter));
3631 return AVERROR(ENOMEM);
3633 out_ch->id = in_ch->id;
3634 out_ch->time_base = in_ch->time_base;
3635 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3636 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3638 if (metadata_chapters_autocopy)
3639 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3642 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3644 return AVERROR(ENOMEM);
3645 os->chapters[os->nb_chapters - 1] = out_ch;
3650 static int opt_output_file(const char *opt, const char *filename)
3652 AVFormatContext *oc;
3654 AVOutputFormat *file_oformat;
3658 if (!strcmp(filename, "-"))
3661 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3662 last_asked_format = NULL;
3664 print_error(filename, err);
3667 file_oformat= oc->oformat;
3669 if (!strcmp(file_oformat->name, "ffm") &&
3670 av_strstart(filename, "http:", NULL)) {
3671 /* special case for files sent to ffserver: we get the stream
3672 parameters from ffserver */
3673 int err = read_ffserver_streams(oc, filename);
3675 print_error(filename, err);
3678 } else if (!nb_stream_maps) {
3679 /* pick the "best" stream of each type */
3680 #define NEW_STREAM(type, index)\
3682 ost = new_ ## type ## _stream(oc);\
3683 ost->source_index = index;\
3684 ost->sync_ist = &input_streams[index];\
3685 input_streams[index].discard = 0;\
3688 /* video: highest resolution */
3689 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3690 int area = 0, idx = -1;
3691 for (i = 0; i < nb_input_streams; i++) {
3692 ist = &input_streams[i];
3693 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3694 ist->st->codec->width * ist->st->codec->height > area) {
3695 area = ist->st->codec->width * ist->st->codec->height;
3699 NEW_STREAM(video, idx);
3702 /* audio: most channels */
3703 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3704 int channels = 0, idx = -1;
3705 for (i = 0; i < nb_input_streams; i++) {
3706 ist = &input_streams[i];
3707 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3708 ist->st->codec->channels > channels) {
3709 channels = ist->st->codec->channels;
3713 NEW_STREAM(audio, idx);
3716 /* subtitles: pick first */
3717 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3718 for (i = 0; i < nb_input_streams; i++)
3719 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3720 NEW_STREAM(subtitle, i);
3724 /* do something with data? */
3726 for (i = 0; i < nb_stream_maps; i++) {
3727 StreamMap *map = &stream_maps[i];
3732 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3733 switch (ist->st->codec->codec_type) {
3734 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3735 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3736 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3737 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3739 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3740 map->file_index, map->stream_index);
3744 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3745 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3746 map->sync_stream_index];
3751 av_dict_copy(&oc->metadata, metadata, 0);
3752 av_dict_free(&metadata);
3755 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3756 output_files[nb_output_files - 1].ctx = oc;
3757 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3758 output_files[nb_output_files - 1].recording_time = recording_time;
3759 output_files[nb_output_files - 1].start_time = start_time;
3760 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3761 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3763 /* check filename in case of an image number is expected */
3764 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3765 if (!av_filename_number_test(oc->filename)) {
3766 print_error(oc->filename, AVERROR(EINVAL));
3771 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3772 /* test if it already exists to avoid loosing precious files */
3773 if (!file_overwrite &&
3774 (strchr(filename, ':') == NULL ||
3775 filename[1] == ':' ||
3776 av_strstart(filename, "file:", NULL))) {
3777 if (avio_check(filename, 0) == 0) {
3779 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3781 if (!read_yesno()) {
3782 fprintf(stderr, "Not overwriting - exiting\n");
3787 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3794 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3795 print_error(filename, err);
3800 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3801 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3803 if (loop_output >= 0) {
3804 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3805 oc->loop_output = loop_output;
3809 if (chapters_input_file >= nb_input_files) {
3810 if (chapters_input_file == INT_MAX) {
3811 /* copy chapters from the first input file that has them*/
3812 chapters_input_file = -1;
3813 for (i = 0; i < nb_input_files; i++)
3814 if (input_files[i].ctx->nb_chapters) {
3815 chapters_input_file = i;
3819 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3820 chapters_input_file);
3824 if (chapters_input_file >= 0)
3825 copy_chapters(chapters_input_file, nb_output_files - 1);
3828 for (i = 0; i < nb_meta_data_maps; i++) {
3829 AVFormatContext *files[2];
3830 AVDictionary **meta[2];
3833 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3834 if ((index) < 0 || (index) >= (nb_elems)) {\
3835 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3840 int in_file_index = meta_data_maps[i][1].file;
3841 if (in_file_index < 0)
3843 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3846 files[1] = input_files[in_file_index].ctx;
3848 for (j = 0; j < 2; j++) {
3849 MetadataMap *map = &meta_data_maps[i][j];
3851 switch (map->type) {
3853 meta[j] = &files[j]->metadata;
3856 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3857 meta[j] = &files[j]->streams[map->index]->metadata;
3860 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3861 meta[j] = &files[j]->chapters[map->index]->metadata;
3864 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3865 meta[j] = &files[j]->programs[map->index]->metadata;
3870 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3873 /* copy global metadata by default */
3874 if (metadata_global_autocopy && nb_input_files)
3875 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3876 AV_DICT_DONT_OVERWRITE);
3877 if (metadata_streams_autocopy)
3878 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3879 InputStream *ist = &input_streams[output_streams[i].source_index];
3880 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3883 frame_rate = (AVRational){0, 0};
3886 audio_sample_rate = 0;
3888 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3889 chapters_input_file = INT_MAX;
3890 recording_time = INT64_MAX;
3892 limit_filesize = UINT64_MAX;
3894 av_freep(&meta_data_maps);
3895 nb_meta_data_maps = 0;
3896 metadata_global_autocopy = 1;
3897 metadata_streams_autocopy = 1;
3898 metadata_chapters_autocopy = 1;
3899 av_freep(&stream_maps);
3901 av_freep(&streamid_map);
3902 nb_streamid_map = 0;
3904 av_dict_free(&codec_names);
3906 av_freep(&forced_key_frames);
3912 /* same option as mencoder */
3913 static int opt_pass(const char *opt, const char *arg)
3915 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3919 static int64_t getutime(void)
3922 struct rusage rusage;
3924 getrusage(RUSAGE_SELF, &rusage);
3925 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3926 #elif HAVE_GETPROCESSTIMES
3928 FILETIME c, e, k, u;
3929 proc = GetCurrentProcess();
3930 GetProcessTimes(proc, &c, &e, &k, &u);
3931 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3933 return av_gettime();
3937 static int64_t getmaxrss(void)
3939 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3940 struct rusage rusage;
3941 getrusage(RUSAGE_SELF, &rusage);
3942 return (int64_t)rusage.ru_maxrss * 1024;
3943 #elif HAVE_GETPROCESSMEMORYINFO
3945 PROCESS_MEMORY_COUNTERS memcounters;
3946 proc = GetCurrentProcess();
3947 memcounters.cb = sizeof(memcounters);
3948 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3949 return memcounters.PeakPagefileUsage;
3955 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3958 const char *p = str;
3965 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3972 static int opt_inter_matrix(const char *opt, const char *arg)
3974 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3975 parse_matrix_coeffs(inter_matrix, arg);
3979 static int opt_intra_matrix(const char *opt, const char *arg)
3981 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3982 parse_matrix_coeffs(intra_matrix, arg);
3986 static void show_usage(void)
3988 printf("Hyper fast Audio and Video encoder\n");
3989 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3993 static int opt_help(const char *opt, const char *arg)
3996 AVOutputFormat *oformat = NULL;
3997 AVInputFormat *iformat = NULL;
3999 av_log_set_callback(log_callback_help);
4001 show_help_options(options, "Main options:\n",
4002 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4003 show_help_options(options, "\nAdvanced options:\n",
4004 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4006 show_help_options(options, "\nVideo options:\n",
4007 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4009 show_help_options(options, "\nAdvanced Video options:\n",
4010 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4011 OPT_VIDEO | OPT_EXPERT);
4012 show_help_options(options, "\nAudio options:\n",
4013 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4015 show_help_options(options, "\nAdvanced Audio options:\n",
4016 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4017 OPT_AUDIO | OPT_EXPERT);
4018 show_help_options(options, "\nSubtitle options:\n",
4019 OPT_SUBTITLE | OPT_GRAB,
4021 show_help_options(options, "\nAudio/Video grab options:\n",
4025 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4028 /* individual codec options */
4030 while ((c = av_codec_next(c))) {
4031 if (c->priv_class) {
4032 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4037 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4040 /* individual muxer options */
4041 while ((oformat = av_oformat_next(oformat))) {
4042 if (oformat->priv_class) {
4043 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4048 /* individual demuxer options */
4049 while ((iformat = av_iformat_next(iformat))) {
4050 if (iformat->priv_class) {
4051 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4056 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4060 static int opt_target(const char *opt, const char *arg)
4062 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4063 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4065 if(!strncmp(arg, "pal-", 4)) {
4068 } else if(!strncmp(arg, "ntsc-", 5)) {
4071 } else if(!strncmp(arg, "film-", 5)) {
4076 /* Calculate FR via float to avoid int overflow */
4077 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4080 } else if((fr == 29970) || (fr == 23976)) {
4083 /* Try to determine PAL/NTSC by peeking in the input files */
4084 if(nb_input_files) {
4086 for (j = 0; j < nb_input_files; j++) {
4087 for (i = 0; i < input_files[j].nb_streams; i++) {
4088 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4089 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4091 fr = c->time_base.den * 1000 / c->time_base.num;
4095 } else if((fr == 29970) || (fr == 23976)) {
4105 if(verbose > 0 && norm != UNKNOWN)
4106 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4109 if(norm == UNKNOWN) {
4110 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4111 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4112 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4116 if(!strcmp(arg, "vcd")) {
4117 opt_codec("c:v", "mpeg1video");
4118 opt_codec("c:a", "mp2");
4119 opt_format("f", "vcd");
4121 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4122 opt_frame_rate("r", frame_rates[norm]);
4123 opt_default("g", norm == PAL ? "15" : "18");
4125 opt_default("b", "1150000");
4126 opt_default("maxrate", "1150000");
4127 opt_default("minrate", "1150000");
4128 opt_default("bufsize", "327680"); // 40*1024*8;
4130 opt_default("b:a", "224000");
4131 audio_sample_rate = 44100;
4134 opt_default("packetsize", "2324");
4135 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4137 /* We have to offset the PTS, so that it is consistent with the SCR.
4138 SCR starts at 36000, but the first two packs contain only padding
4139 and the first pack from the other stream, respectively, may also have
4140 been written before.
4141 So the real data starts at SCR 36000+3*1200. */
4142 mux_preload= (36000+3*1200) / 90000.0; //0.44
4143 } else if(!strcmp(arg, "svcd")) {
4145 opt_codec("c:v", "mpeg2video");
4146 opt_codec("c:a", "mp2");
4147 opt_format("f", "svcd");
4149 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4150 opt_frame_rate("r", frame_rates[norm]);
4151 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4152 opt_default("g", norm == PAL ? "15" : "18");
4154 opt_default("b", "2040000");
4155 opt_default("maxrate", "2516000");
4156 opt_default("minrate", "0"); //1145000;
4157 opt_default("bufsize", "1835008"); //224*1024*8;
4158 opt_default("flags", "+scan_offset");
4161 opt_default("b:a", "224000");
4162 audio_sample_rate = 44100;
4164 opt_default("packetsize", "2324");
4166 } else if(!strcmp(arg, "dvd")) {
4168 opt_codec("c:v", "mpeg2video");
4169 opt_codec("c:a", "ac3");
4170 opt_format("f", "dvd");
4172 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4173 opt_frame_rate("r", frame_rates[norm]);
4174 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4175 opt_default("g", norm == PAL ? "15" : "18");
4177 opt_default("b", "6000000");
4178 opt_default("maxrate", "9000000");
4179 opt_default("minrate", "0"); //1500000;
4180 opt_default("bufsize", "1835008"); //224*1024*8;
4182 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4183 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4185 opt_default("b:a", "448000");
4186 audio_sample_rate = 48000;
4188 } else if(!strncmp(arg, "dv", 2)) {
4190 opt_format("f", "dv");
4192 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4193 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4194 norm == PAL ? "yuv420p" : "yuv411p");
4195 opt_frame_rate("r", frame_rates[norm]);
4197 audio_sample_rate = 48000;
4201 fprintf(stderr, "Unknown target: %s\n", arg);
4202 return AVERROR(EINVAL);
4207 static int opt_vstats_file(const char *opt, const char *arg)
4209 av_free (vstats_filename);
4210 vstats_filename=av_strdup (arg);
4214 static int opt_vstats(const char *opt, const char *arg)
4217 time_t today2 = time(NULL);
4218 struct tm *today = localtime(&today2);
4220 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4222 return opt_vstats_file(opt, filename);
4225 static int opt_bsf(const char *opt, const char *arg)
4227 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4228 AVBitStreamFilterContext **bsfp;
4231 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4235 bsfp= *opt == 'v' ? &video_bitstream_filters :
4236 *opt == 'a' ? &audio_bitstream_filters :
4237 &subtitle_bitstream_filters;
4239 bsfp= &(*bsfp)->next;
4246 static int opt_preset(const char *opt, const char *arg)
4249 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4250 char *codec_name = *opt == 'v' ? video_codec_name :
4251 *opt == 'a' ? audio_codec_name :
4252 subtitle_codec_name;
4254 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4255 fprintf(stderr, "File for preset '%s' not found\n", arg);
4260 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4261 if(line[0] == '#' && !e)
4263 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4265 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4268 if(!strcmp(tmp, "acodec")){
4269 opt_audio_codec(tmp, tmp2);
4270 }else if(!strcmp(tmp, "vcodec")){
4271 opt_video_codec(tmp, tmp2);
4272 }else if(!strcmp(tmp, "scodec")){
4273 opt_subtitle_codec(tmp, tmp2);
4274 }else if(!strcmp(tmp, "dcodec")){
4275 opt_data_codec(tmp, tmp2);
4276 }else if(opt_default(tmp, tmp2) < 0){
4277 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4287 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4291 static int opt_passlogfile(const char *opt, const char *arg)
4293 pass_logfilename_prefix = arg;
4294 #if CONFIG_LIBX264_ENCODER
4295 return opt_default("passlogfile", arg);
4301 static const OptionDef options[] = {
4303 #include "cmdutils_common_opts.h"
4304 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4305 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4306 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4307 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4308 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4309 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4310 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4311 "outfile[,metadata]:infile[,metadata]" },
4312 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4313 "outfile[,metadata]:infile[,metadata]" },
4314 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4315 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4316 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4317 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4318 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4319 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4320 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4321 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4322 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4323 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4324 "add timings for benchmarking" },
4325 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4326 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4327 "dump each input packet" },
4328 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4329 "when dumping packets, also dump the payload" },
4330 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4331 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4332 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4333 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4334 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4335 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4336 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4337 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4338 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4339 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4340 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4341 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4342 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4343 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4344 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4345 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4348 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4349 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4350 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4351 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4352 { "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" },
4353 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4354 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4355 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4356 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4357 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4358 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4359 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4360 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4361 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4362 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4363 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4364 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4365 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4366 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4367 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4368 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4369 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4370 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4371 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4372 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4373 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4374 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4375 "deinterlace pictures" },
4376 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4377 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4378 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4380 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4382 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4383 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4384 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4385 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4386 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4387 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4388 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4389 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4390 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4391 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4394 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4395 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4396 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4397 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4398 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4399 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4400 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4401 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4402 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4403 { "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" },
4405 /* subtitle options */
4406 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4407 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4408 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4409 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4412 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4413 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4414 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4417 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4418 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4420 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4421 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4422 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4424 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4425 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4426 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4427 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4428 /* data codec support */
4429 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4431 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4435 int main(int argc, char **argv)
4439 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4441 if(argc>1 && !strcmp(argv[1], "-d")){
4444 av_log_set_callback(log_callback_null);
4449 avcodec_register_all();
4451 avdevice_register_all();
4454 avfilter_register_all();
4459 if(isatty(STDIN_FILENO))
4460 avio_set_interrupt_cb(decode_interrupt_cb);
4469 parse_options(argc, argv, options, opt_output_file);
4471 if(nb_output_files <= 0 && nb_input_files == 0) {
4473 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4477 /* file converter / grab */
4478 if (nb_output_files <= 0) {
4479 fprintf(stderr, "At least one output file must be specified\n");
4483 if (nb_input_files == 0) {
4484 fprintf(stderr, "At least one input file must be specified\n");
4489 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4491 ti = getutime() - ti;
4493 int maxrss = getmaxrss() / 1024;
4494 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4497 return exit_program(0);