3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int loop_input = 0;
156 static int loop_output = AVFMT_NOOUTPUTLOOP;
157 static int qp_hist = 0;
159 static char *vfilters = NULL;
162 static int intra_only = 0;
163 static int audio_sample_rate = 0;
164 #define QSCALE_NONE -99999
165 static float audio_qscale = QSCALE_NONE;
166 static int audio_disable = 0;
167 static int audio_channels = 0;
168 static unsigned int audio_codec_tag = 0;
169 static char *audio_language = NULL;
171 static int subtitle_disable = 0;
172 static char *subtitle_language = NULL;
173 static unsigned int subtitle_codec_tag = 0;
175 static int data_disable = 0;
176 static unsigned int data_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static AVDictionary *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static const char *pass_logfilename_prefix;
192 static int video_sync_method= -1;
193 static int audio_sync_method= 0;
194 static float audio_drift_threshold= 0.1;
195 static int copy_ts= 0;
196 static int copy_tb= 0;
197 static int opt_shortest = 0;
198 static char *vstats_filename;
199 static FILE *vstats_file;
200 static int opt_programid = 0;
201 static int copy_initial_nonkeyframes = 0;
203 static int rate_emu = 0;
205 static int audio_volume = 256;
207 static int exit_on_error = 0;
208 static int using_stdin = 0;
209 static int verbose = 1;
210 static int run_as_daemon = 0;
211 static int thread_count= 1;
212 static int q_pressed = 0;
213 static int64_t video_size = 0;
214 static int64_t audio_size = 0;
215 static int64_t extra_size = 0;
216 static int nb_frames_dup = 0;
217 static int nb_frames_drop = 0;
218 static int input_sync;
219 static uint64_t limit_filesize = UINT64_MAX;
220 static int force_fps = 0;
221 static char *forced_key_frames = NULL;
223 static float dts_delta_threshold = 10;
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
229 static short *samples;
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
235 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
237 typedef struct InputStream {
240 int discard; /* true if stream data should be discarded */
241 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
244 int64_t start; /* time when read started */
245 int64_t next_pts; /* synthetic pts for cases where pkt.pts
247 int64_t pts; /* current pts */
249 int is_start; /* is 1 at the start and after a discontinuity */
250 int showed_multi_packet_warning;
254 typedef struct InputFile {
255 AVFormatContext *ctx;
256 int eof_reached; /* true if eof reached */
257 int ist_index; /* index of first stream in ist_table */
258 int buffer_size; /* current total buffer size */
263 typedef struct OutputStream {
264 int file_index; /* file index */
265 int index; /* stream index in the output file */
266 int source_index; /* InputStream index */
267 AVStream *st; /* stream in the output file */
268 int encoding_needed; /* true if encoding needed for this stream */
270 /* input pts and corresponding output pts
272 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
273 struct InputStream *sync_ist; /* input stream to sync against */
274 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
275 AVBitStreamFilterContext *bitstream_filters;
280 AVFrame resample_frame; /* temporary frame for image resampling */
281 struct SwsContext *img_resample_ctx; /* for image resampling */
284 int resample_pix_fmt;
285 AVRational frame_rate;
287 float frame_aspect_ratio;
289 /* forced key frames */
290 int64_t *forced_kf_pts;
296 ReSampleContext *resample; /* for audio resampling */
297 int resample_sample_fmt;
298 int resample_channels;
299 int resample_sample_rate;
301 AVAudioConvert *reformat_ctx;
302 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
306 AVFilterContext *output_video_filter;
307 AVFilterContext *input_video_filter;
308 AVFilterBufferRef *picref;
310 AVFilterGraph *graph;
315 int is_past_recording_time;
321 /* init terminal so that we can grab keys */
322 static struct termios oldtty;
325 typedef struct OutputFile {
326 AVFormatContext *ctx;
328 int ost_index; /* index of the first stream in output_streams */
329 int64_t recording_time; /* desired length of the resulting file in microseconds */
330 int64_t start_time; /* start time in microseconds */
331 uint64_t limit_filesize;
334 static InputStream *input_streams = NULL;
335 static int nb_input_streams = 0;
336 static InputFile *input_files = NULL;
337 static int nb_input_files = 0;
339 static OutputStream *output_streams = NULL;
340 static int nb_output_streams = 0;
341 static OutputFile *output_files = NULL;
342 static int nb_output_files = 0;
346 static int configure_video_filters(InputStream *ist, OutputStream *ost)
348 AVFilterContext *last_filter, *filter;
349 /** filter graph containing all filters including input & output */
350 AVCodecContext *codec = ost->st->codec;
351 AVCodecContext *icodec = ist->st->codec;
352 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
353 AVRational sample_aspect_ratio;
357 ost->graph = avfilter_graph_alloc();
359 if (ist->st->sample_aspect_ratio.num){
360 sample_aspect_ratio = ist->st->sample_aspect_ratio;
362 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
364 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
365 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
366 sample_aspect_ratio.num, sample_aspect_ratio.den);
368 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
369 "src", args, NULL, ost->graph);
372 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
373 "out", NULL, pix_fmts, ost->graph);
376 last_filter = ost->input_video_filter;
378 if (codec->width != icodec->width || codec->height != icodec->height) {
379 snprintf(args, 255, "%d:%d:flags=0x%X",
383 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
384 NULL, args, NULL, ost->graph)) < 0)
386 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
388 last_filter = filter;
391 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
392 ost->graph->scale_sws_opts = av_strdup(args);
395 AVFilterInOut *outputs = avfilter_inout_alloc();
396 AVFilterInOut *inputs = avfilter_inout_alloc();
398 outputs->name = av_strdup("in");
399 outputs->filter_ctx = last_filter;
400 outputs->pad_idx = 0;
401 outputs->next = NULL;
403 inputs->name = av_strdup("out");
404 inputs->filter_ctx = ost->output_video_filter;
408 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
410 av_freep(&ost->avfilter);
412 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
416 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
419 codec->width = ost->output_video_filter->inputs[0]->w;
420 codec->height = ost->output_video_filter->inputs[0]->h;
421 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
422 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
423 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
424 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
428 #endif /* CONFIG_AVFILTER */
430 static void term_exit(void)
432 av_log(NULL, AV_LOG_QUIET, "%s", "");
435 tcsetattr (0, TCSANOW, &oldtty);
439 static volatile int received_sigterm = 0;
442 sigterm_handler(int sig)
444 received_sigterm = sig;
449 static void term_init(void)
459 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
460 |INLCR|IGNCR|ICRNL|IXON);
461 tty.c_oflag |= OPOST;
462 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
463 tty.c_cflag &= ~(CSIZE|PARENB);
468 tcsetattr (0, TCSANOW, &tty);
469 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
473 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
474 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
476 signal(SIGXCPU, sigterm_handler);
480 /* read a key without blocking */
481 static int read_key(void)
496 n = select(1, &rfds, NULL, NULL, &tv);
511 static int decode_interrupt_cb(void)
513 q_pressed += read_key() == 'q';
514 return q_pressed > 1;
517 static int exit_program(int ret)
522 for(i=0;i<nb_output_files;i++) {
523 AVFormatContext *s = output_files[i].ctx;
524 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
526 avformat_free_context(s);
527 av_dict_free(&output_files[i].opts);
529 for(i=0;i<nb_input_files;i++) {
530 av_close_input_file(input_files[i].ctx);
532 for (i = 0; i < nb_input_streams; i++)
533 av_dict_free(&input_streams[i].opts);
535 av_free(intra_matrix);
536 av_free(inter_matrix);
540 av_free(vstats_filename);
542 av_free(meta_data_maps);
544 av_freep(&input_streams);
545 av_freep(&input_files);
546 av_freep(&output_streams);
547 av_freep(&output_files);
552 allocated_audio_buf_size= allocated_audio_out_size= 0;
559 if (received_sigterm) {
561 "Received signal %d: terminating.\n",
562 (int) received_sigterm);
566 exit(ret); /* not all OS-es handle main() return value */
570 static void assert_avoptions(AVDictionary *m)
572 AVDictionaryEntry *t;
573 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
574 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
579 static void assert_codec_experimental(AVCodecContext *c, int encoder)
581 const char *codec_string = encoder ? "encoder" : "decoder";
583 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
584 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
585 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
586 "results.\nAdd '-strict experimental' if you want to use it.\n",
587 codec_string, c->codec->name);
588 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
589 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
590 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
591 codec_string, codec->name);
596 /* similar to ff_dynarray_add() and av_fast_realloc() */
597 static void *grow_array(void *array, int elem_size, int *size, int new_size)
599 if (new_size >= INT_MAX / elem_size) {
600 fprintf(stderr, "Array too big.\n");
603 if (*size < new_size) {
604 uint8_t *tmp = av_realloc(array, new_size*elem_size);
606 fprintf(stderr, "Could not alloc buffer.\n");
609 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
616 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
618 if(codec && codec->sample_fmts){
619 const enum AVSampleFormat *p= codec->sample_fmts;
621 if(*p == st->codec->sample_fmt)
625 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
626 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
627 if(av_get_sample_fmt_name(st->codec->sample_fmt))
628 av_log(NULL, AV_LOG_WARNING,
629 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
630 av_get_sample_fmt_name(st->codec->sample_fmt),
632 av_get_sample_fmt_name(codec->sample_fmts[0]));
633 st->codec->sample_fmt = codec->sample_fmts[0];
638 static void choose_sample_rate(AVStream *st, AVCodec *codec)
640 if(codec && codec->supported_samplerates){
641 const int *p= codec->supported_samplerates;
643 int best_dist=INT_MAX;
645 int dist= abs(st->codec->sample_rate - *p);
646 if(dist < best_dist){
652 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
654 st->codec->sample_rate= best;
658 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
660 if(codec && codec->pix_fmts){
661 const enum PixelFormat *p= codec->pix_fmts;
662 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
663 if(st->codec->codec_id==CODEC_ID_MJPEG){
664 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
665 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
666 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};
670 if(*p == st->codec->pix_fmt)
674 if(st->codec->pix_fmt != PIX_FMT_NONE)
675 av_log(NULL, AV_LOG_WARNING,
676 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
677 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
679 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
680 st->codec->pix_fmt = codec->pix_fmts[0];
686 get_sync_ipts(const OutputStream *ost)
688 const InputStream *ist = ost->sync_ist;
689 OutputFile *of = &output_files[ost->file_index];
690 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
693 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
697 AVPacket new_pkt= *pkt;
698 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
699 &new_pkt.data, &new_pkt.size,
700 pkt->data, pkt->size,
701 pkt->flags & AV_PKT_FLAG_KEY);
704 new_pkt.destruct= av_destruct_packet;
706 fprintf(stderr, "%s failed for stream %d, codec %s",
707 bsfc->filter->name, pkt->stream_index,
708 avctx->codec ? avctx->codec->name : "copy");
718 ret= av_interleaved_write_frame(s, pkt);
720 print_error("av_interleaved_write_frame()", ret);
725 static void do_audio_out(AVFormatContext *s,
728 unsigned char *buf, int size)
731 int64_t audio_out_size, audio_buf_size;
732 int64_t allocated_for_size= size;
734 int size_out, frame_bytes, ret, resample_changed;
735 AVCodecContext *enc= ost->st->codec;
736 AVCodecContext *dec= ist->st->codec;
737 int osize = av_get_bytes_per_sample(enc->sample_fmt);
738 int isize = av_get_bytes_per_sample(dec->sample_fmt);
739 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
742 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
743 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
744 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
745 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
746 audio_buf_size*= osize*enc->channels;
748 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
749 if(coded_bps > 8*osize)
750 audio_out_size= audio_out_size * coded_bps / (8*osize);
751 audio_out_size += FF_MIN_BUFFER_SIZE;
753 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
754 fprintf(stderr, "Buffer sizes too large\n");
758 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
759 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
760 if (!audio_buf || !audio_out){
761 fprintf(stderr, "Out of memory in do_audio_out\n");
765 if (enc->channels != dec->channels)
766 ost->audio_resample = 1;
768 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
769 ost->resample_channels != dec->channels ||
770 ost->resample_sample_rate != dec->sample_rate;
772 if ((ost->audio_resample && !ost->resample) || resample_changed) {
773 if (resample_changed) {
774 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",
775 ist->file_index, ist->st->index,
776 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
777 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
778 ost->resample_sample_fmt = dec->sample_fmt;
779 ost->resample_channels = dec->channels;
780 ost->resample_sample_rate = dec->sample_rate;
782 audio_resample_close(ost->resample);
784 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
785 if (audio_sync_method <= 1 &&
786 ost->resample_sample_fmt == enc->sample_fmt &&
787 ost->resample_channels == enc->channels &&
788 ost->resample_sample_rate == enc->sample_rate) {
789 ost->resample = NULL;
790 ost->audio_resample = 0;
792 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
793 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
794 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
795 enc->sample_rate, dec->sample_rate,
796 enc->sample_fmt, dec->sample_fmt,
798 if (!ost->resample) {
799 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
800 dec->channels, dec->sample_rate,
801 enc->channels, enc->sample_rate);
807 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
808 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
809 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
810 if (ost->reformat_ctx)
811 av_audio_convert_free(ost->reformat_ctx);
812 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
813 dec->sample_fmt, 1, NULL, 0);
814 if (!ost->reformat_ctx) {
815 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
816 av_get_sample_fmt_name(dec->sample_fmt),
817 av_get_sample_fmt_name(enc->sample_fmt));
820 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
823 if(audio_sync_method){
824 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
825 - av_fifo_size(ost->fifo)/(enc->channels * 2);
826 double idelta= delta*dec->sample_rate / enc->sample_rate;
827 int byte_delta= ((int)idelta)*2*dec->channels;
829 //FIXME resample delay
830 if(fabs(delta) > 50){
831 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
833 byte_delta= FFMAX(byte_delta, -size);
837 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
842 static uint8_t *input_tmp= NULL;
843 input_tmp= av_realloc(input_tmp, byte_delta + size);
845 if(byte_delta > allocated_for_size - size){
846 allocated_for_size= byte_delta + (int64_t)size;
851 memset(input_tmp, 0, byte_delta);
852 memcpy(input_tmp + byte_delta, buf, size);
856 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
858 }else if(audio_sync_method>1){
859 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
860 av_assert0(ost->audio_resample);
862 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
863 // 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));
864 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
868 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
869 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
871 if (ost->audio_resample) {
873 size_out = audio_resample(ost->resample,
874 (short *)buftmp, (short *)buf,
875 size / (dec->channels * isize));
876 size_out = size_out * enc->channels * osize;
882 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
883 const void *ibuf[6]= {buftmp};
884 void *obuf[6]= {audio_buf};
885 int istride[6]= {isize};
886 int ostride[6]= {osize};
887 int len= size_out/istride[0];
888 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
889 printf("av_audio_convert() failed\n");
895 size_out = len*osize;
898 /* now encode as many frames as possible */
899 if (enc->frame_size > 1) {
900 /* output resampled raw samples */
901 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
902 fprintf(stderr, "av_fifo_realloc2() failed\n");
905 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
907 frame_bytes = enc->frame_size * osize * enc->channels;
909 while (av_fifo_size(ost->fifo) >= frame_bytes) {
911 av_init_packet(&pkt);
913 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
915 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
917 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
920 fprintf(stderr, "Audio encoding failed\n");
924 pkt.stream_index= ost->index;
927 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
928 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
929 pkt.flags |= AV_PKT_FLAG_KEY;
930 write_frame(s, &pkt, enc, ost->bitstream_filters);
932 ost->sync_opts += enc->frame_size;
936 av_init_packet(&pkt);
938 ost->sync_opts += size_out / (osize * enc->channels);
940 /* output a pcm frame */
941 /* determine the size of the coded buffer */
944 size_out = size_out*coded_bps/8;
946 if(size_out > audio_out_size){
947 fprintf(stderr, "Internal error, buffer size too small\n");
951 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
952 ret = avcodec_encode_audio(enc, audio_out, size_out,
955 fprintf(stderr, "Audio encoding failed\n");
959 pkt.stream_index= ost->index;
962 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
963 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
964 pkt.flags |= AV_PKT_FLAG_KEY;
965 write_frame(s, &pkt, enc, ost->bitstream_filters);
969 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
973 AVPicture picture_tmp;
976 dec = ist->st->codec;
978 /* deinterlace : must be done before any resize */
979 if (do_deinterlace) {
982 /* create temporary picture */
983 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
984 buf = av_malloc(size);
988 picture2 = &picture_tmp;
989 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
991 if(avpicture_deinterlace(picture2, picture,
992 dec->pix_fmt, dec->width, dec->height) < 0) {
993 /* if error, do not deinterlace */
994 fprintf(stderr, "Deinterlacing failed\n");
1003 if (picture != picture2)
1004 *picture = *picture2;
1008 static void do_subtitle_out(AVFormatContext *s,
1014 static uint8_t *subtitle_out = NULL;
1015 int subtitle_out_max_size = 1024 * 1024;
1016 int subtitle_out_size, nb, i;
1017 AVCodecContext *enc;
1020 if (pts == AV_NOPTS_VALUE) {
1021 fprintf(stderr, "Subtitle packets must have a pts\n");
1027 enc = ost->st->codec;
1029 if (!subtitle_out) {
1030 subtitle_out = av_malloc(subtitle_out_max_size);
1033 /* Note: DVB subtitle need one packet to draw them and one other
1034 packet to clear them */
1035 /* XXX: signal it in the codec context ? */
1036 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1041 for(i = 0; i < nb; i++) {
1042 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1043 // start_display_time is required to be 0
1044 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1045 sub->end_display_time -= sub->start_display_time;
1046 sub->start_display_time = 0;
1047 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1048 subtitle_out_max_size, sub);
1049 if (subtitle_out_size < 0) {
1050 fprintf(stderr, "Subtitle encoding failed\n");
1054 av_init_packet(&pkt);
1055 pkt.stream_index = ost->index;
1056 pkt.data = subtitle_out;
1057 pkt.size = subtitle_out_size;
1058 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1059 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1060 /* XXX: the pts correction is handled here. Maybe handling
1061 it in the codec would be better */
1063 pkt.pts += 90 * sub->start_display_time;
1065 pkt.pts += 90 * sub->end_display_time;
1067 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1071 static int bit_buffer_size= 1024*256;
1072 static uint8_t *bit_buffer= NULL;
1074 static void do_video_resample(OutputStream *ost,
1076 AVFrame *in_picture,
1077 AVFrame **out_picture)
1079 int resample_changed = 0;
1080 AVCodecContext *dec = ist->st->codec;
1081 *out_picture = in_picture;
1082 #if !CONFIG_AVFILTER
1083 resample_changed = ost->resample_width != dec->width ||
1084 ost->resample_height != dec->height ||
1085 ost->resample_pix_fmt != dec->pix_fmt;
1087 if (resample_changed) {
1088 av_log(NULL, AV_LOG_INFO,
1089 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1090 ist->file_index, ist->st->index,
1091 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1092 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1093 ost->resample_width = dec->width;
1094 ost->resample_height = dec->height;
1095 ost->resample_pix_fmt = dec->pix_fmt;
1098 ost->video_resample = dec->width != enc->width ||
1099 dec->height != enc->height ||
1100 dec->pix_fmt != enc->pix_fmt;
1102 if (ost->video_resample) {
1103 *out_picture = &ost->resample_frame;
1104 if (!ost->img_resample_ctx || resample_changed) {
1105 /* initialize the destination picture */
1106 if (!ost->resample_frame.data[0]) {
1107 avcodec_get_frame_defaults(&ost->resample_frame);
1108 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1109 enc->width, enc->height)) {
1110 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1114 /* initialize a new scaler context */
1115 sws_freeContext(ost->img_resample_ctx);
1116 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1117 enc->width, enc->height, enc->pix_fmt,
1118 ost->sws_flags, NULL, NULL, NULL);
1119 if (ost->img_resample_ctx == NULL) {
1120 fprintf(stderr, "Cannot get resampling context\n");
1124 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1125 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1131 static void do_video_out(AVFormatContext *s,
1134 AVFrame *in_picture,
1135 int *frame_size, float quality)
1137 int nb_frames, i, ret, format_video_sync;
1138 AVFrame *final_picture;
1139 AVCodecContext *enc, *dec;
1142 enc = ost->st->codec;
1143 dec = ist->st->codec;
1145 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1147 /* by default, we output a single frame */
1152 format_video_sync = video_sync_method;
1153 if (format_video_sync < 0)
1154 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1156 if (format_video_sync) {
1157 double vdelta = sync_ipts - ost->sync_opts;
1158 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1161 else if (format_video_sync == 2) {
1164 }else if(vdelta>0.6)
1165 ost->sync_opts= lrintf(sync_ipts);
1166 }else if (vdelta > 1.1)
1167 nb_frames = lrintf(vdelta);
1168 //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);
1169 if (nb_frames == 0){
1172 fprintf(stderr, "*** drop!\n");
1173 }else if (nb_frames > 1) {
1174 nb_frames_dup += nb_frames - 1;
1176 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1179 ost->sync_opts= lrintf(sync_ipts);
1181 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1185 do_video_resample(ost, ist, in_picture, &final_picture);
1187 /* duplicates frame if needed */
1188 for(i=0;i<nb_frames;i++) {
1190 av_init_packet(&pkt);
1191 pkt.stream_index= ost->index;
1193 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1194 /* raw pictures are written as AVPicture structure to
1195 avoid any copies. We support temporarily the older
1197 AVFrame* old_frame = enc->coded_frame;
1198 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1199 pkt.data= (uint8_t *)final_picture;
1200 pkt.size= sizeof(AVPicture);
1201 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1202 pkt.flags |= AV_PKT_FLAG_KEY;
1204 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1205 enc->coded_frame = old_frame;
1207 AVFrame big_picture;
1209 big_picture= *final_picture;
1210 /* better than nothing: use input picture interlaced
1212 big_picture.interlaced_frame = in_picture->interlaced_frame;
1213 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1214 if(top_field_first == -1)
1215 big_picture.top_field_first = in_picture->top_field_first;
1217 big_picture.top_field_first = top_field_first;
1220 /* handles same_quant here. This is not correct because it may
1221 not be a global option */
1222 big_picture.quality = quality;
1224 big_picture.pict_type = 0;
1225 // big_picture.pts = AV_NOPTS_VALUE;
1226 big_picture.pts= ost->sync_opts;
1227 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1228 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1229 if (ost->forced_kf_index < ost->forced_kf_count &&
1230 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1231 big_picture.pict_type = AV_PICTURE_TYPE_I;
1232 ost->forced_kf_index++;
1234 ret = avcodec_encode_video(enc,
1235 bit_buffer, bit_buffer_size,
1238 fprintf(stderr, "Video encoding failed\n");
1243 pkt.data= bit_buffer;
1245 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1246 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1247 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1248 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1249 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1251 if(enc->coded_frame->key_frame)
1252 pkt.flags |= AV_PKT_FLAG_KEY;
1253 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1256 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1257 // enc->frame_number-1, ret, enc->pict_type);
1258 /* if two pass, output log */
1259 if (ost->logfile && enc->stats_out) {
1260 fprintf(ost->logfile, "%s", enc->stats_out);
1265 ost->frame_number++;
1269 static double psnr(double d){
1270 return -10.0*log(d)/log(10.0);
1273 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1276 AVCodecContext *enc;
1278 double ti1, bitrate, avg_bitrate;
1280 /* this is executed just the first time do_video_stats is called */
1282 vstats_file = fopen(vstats_filename, "w");
1289 enc = ost->st->codec;
1290 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1291 frame_number = ost->frame_number;
1292 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1293 if (enc->flags&CODEC_FLAG_PSNR)
1294 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1296 fprintf(vstats_file,"f_size= %6d ", frame_size);
1297 /* compute pts value */
1298 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1302 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1303 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1304 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1305 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1306 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1310 static void print_report(OutputFile *output_files,
1311 OutputStream *ost_table, int nb_ostreams,
1312 int is_last_report, int64_t timer_start)
1316 AVFormatContext *oc;
1318 AVCodecContext *enc;
1319 int frame_number, vid, i;
1321 int64_t pts = INT64_MAX;
1322 static int64_t last_time = -1;
1323 static int qp_histogram[52];
1325 if (!is_last_report) {
1327 /* display the report every 0.5 seconds */
1328 cur_time = av_gettime();
1329 if (last_time == -1) {
1330 last_time = cur_time;
1333 if ((cur_time - last_time) < 500000)
1335 last_time = cur_time;
1339 oc = output_files[0].ctx;
1341 total_size = avio_size(oc->pb);
1342 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1343 total_size= avio_tell(oc->pb);
1347 for(i=0;i<nb_ostreams;i++) {
1349 ost = &ost_table[i];
1350 enc = ost->st->codec;
1351 if (!ost->st->stream_copy && enc->coded_frame)
1352 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1353 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1356 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1357 float t = (av_gettime()-timer_start) / 1000000.0;
1359 frame_number = ost->frame_number;
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1361 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1363 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1367 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1372 if (enc->flags&CODEC_FLAG_PSNR){
1374 double error, error_sum=0;
1375 double scale, scale_sum=0;
1376 char type[3]= {'Y','U','V'};
1377 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1380 error= enc->error[j];
1381 scale= enc->width*enc->height*255.0*255.0*frame_number;
1383 error= enc->coded_frame->error[j];
1384 scale= enc->width*enc->height*255.0*255.0;
1389 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1391 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1395 /* compute min output value */
1396 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1397 ost->st->time_base, AV_TIME_BASE_Q));
1400 if (verbose > 0 || is_last_report) {
1401 int hours, mins, secs, us;
1402 secs = pts / AV_TIME_BASE;
1403 us = pts % AV_TIME_BASE;
1409 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1411 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1412 "size=%8.0fkB time=", total_size / 1024.0);
1413 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1414 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1415 (100 * us) / AV_TIME_BASE);
1416 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1417 "bitrate=%6.1fkbits/s", bitrate);
1419 if (nb_frames_dup || nb_frames_drop)
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1421 nb_frames_dup, nb_frames_drop);
1424 fprintf(stderr, "%s \r", buf);
1429 if (is_last_report && verbose >= 0){
1430 int64_t raw= audio_size + video_size + extra_size;
1431 fprintf(stderr, "\n");
1432 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1436 100.0*(total_size - raw)/raw
1441 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1443 int fill_char = 0x00;
1444 if (sample_fmt == AV_SAMPLE_FMT_U8)
1446 memset(buf, fill_char, size);
1449 static void flush_encoders(int ist_index, OutputStream *ost_table, int nb_ostreams)
1453 for (i = 0; i < nb_ostreams; i++) {
1454 OutputStream *ost = &ost_table[i];
1455 AVCodecContext *enc = ost->st->codec;
1456 AVFormatContext *os = output_files[ost->file_index].ctx;
1458 if (ost->source_index != ist_index || !ost->encoding_needed)
1461 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1463 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1469 av_init_packet(&pkt);
1470 pkt.stream_index= ost->index;
1472 switch (ost->st->codec->codec_type) {
1473 case AVMEDIA_TYPE_AUDIO:
1474 fifo_bytes = av_fifo_size(ost->fifo);
1476 /* encode any samples remaining in fifo */
1477 if (fifo_bytes > 0) {
1478 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1479 int fs_tmp = enc->frame_size;
1481 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1482 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1483 enc->frame_size = fifo_bytes / (osize * enc->channels);
1485 int frame_bytes = enc->frame_size*osize*enc->channels;
1486 if (allocated_audio_buf_size < frame_bytes)
1488 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1491 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1492 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1493 ost->st->time_base.num, enc->sample_rate);
1494 enc->frame_size = fs_tmp;
1497 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1500 fprintf(stderr, "Audio encoding failed\n");
1504 pkt.flags |= AV_PKT_FLAG_KEY;
1506 case AVMEDIA_TYPE_VIDEO:
1507 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1509 fprintf(stderr, "Video encoding failed\n");
1513 if(enc->coded_frame && enc->coded_frame->key_frame)
1514 pkt.flags |= AV_PKT_FLAG_KEY;
1515 if (ost->logfile && enc->stats_out) {
1516 fprintf(ost->logfile, "%s", enc->stats_out);
1525 pkt.data = bit_buffer;
1527 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1528 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1529 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1534 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1535 static int output_packet(InputStream *ist, int ist_index,
1536 OutputStream *ost_table, int nb_ostreams,
1537 const AVPacket *pkt)
1539 AVFormatContext *os;
1544 void *buffer_to_free = NULL;
1545 static unsigned int samples_size= 0;
1546 AVSubtitle subtitle, *subtitle_to_free;
1547 int64_t pkt_pts = AV_NOPTS_VALUE;
1549 int frame_available;
1554 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1556 if(ist->next_pts == AV_NOPTS_VALUE)
1557 ist->next_pts= ist->pts;
1561 av_init_packet(&avpkt);
1569 if(pkt->dts != AV_NOPTS_VALUE)
1570 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1571 if(pkt->pts != AV_NOPTS_VALUE)
1572 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1574 //while we have more to decode or while the decoder did output something on EOF
1575 while (avpkt.size > 0 || (!pkt && got_output)) {
1576 uint8_t *data_buf, *decoded_data_buf;
1577 int data_size, decoded_data_size;
1579 ist->pts= ist->next_pts;
1581 if(avpkt.size && avpkt.size != pkt->size &&
1582 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1583 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1584 ist->showed_multi_packet_warning=1;
1587 /* decode the packet if needed */
1588 decoded_data_buf = NULL; /* fail safe */
1589 decoded_data_size= 0;
1590 data_buf = avpkt.data;
1591 data_size = avpkt.size;
1592 subtitle_to_free = NULL;
1593 if (ist->decoding_needed) {
1594 switch(ist->st->codec->codec_type) {
1595 case AVMEDIA_TYPE_AUDIO:{
1596 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1597 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1599 samples= av_malloc(samples_size);
1601 decoded_data_size= samples_size;
1602 /* XXX: could avoid copy if PCM 16 bits with same
1603 endianness as CPU */
1604 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1611 got_output = decoded_data_size > 0;
1612 /* Some bug in mpeg audio decoder gives */
1613 /* decoded_data_size < 0, it seems they are overflows */
1615 /* no audio frame */
1618 decoded_data_buf = (uint8_t *)samples;
1619 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1620 (ist->st->codec->sample_rate * ist->st->codec->channels);
1622 case AVMEDIA_TYPE_VIDEO:
1623 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1624 /* XXX: allocate picture correctly */
1625 avcodec_get_frame_defaults(&picture);
1626 avpkt.pts = pkt_pts;
1627 avpkt.dts = ist->pts;
1628 pkt_pts = AV_NOPTS_VALUE;
1630 ret = avcodec_decode_video2(ist->st->codec,
1631 &picture, &got_output, &avpkt);
1632 quality = same_quant ? picture.quality : 0;
1636 /* no picture yet */
1637 goto discard_packet;
1639 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1640 if (ist->st->codec->time_base.num != 0) {
1641 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1642 ist->next_pts += ((int64_t)AV_TIME_BASE *
1643 ist->st->codec->time_base.num * ticks) /
1644 ist->st->codec->time_base.den;
1647 buffer_to_free = NULL;
1648 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1650 case AVMEDIA_TYPE_SUBTITLE:
1651 ret = avcodec_decode_subtitle2(ist->st->codec,
1652 &subtitle, &got_output, &avpkt);
1656 goto discard_packet;
1658 subtitle_to_free = &subtitle;
1665 switch(ist->st->codec->codec_type) {
1666 case AVMEDIA_TYPE_AUDIO:
1667 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1668 ist->st->codec->sample_rate;
1670 case AVMEDIA_TYPE_VIDEO:
1671 if (ist->st->codec->time_base.num != 0) {
1672 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1673 ist->next_pts += ((int64_t)AV_TIME_BASE *
1674 ist->st->codec->time_base.num * ticks) /
1675 ist->st->codec->time_base.den;
1684 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1685 if (start_time == 0 || ist->pts >= start_time) {
1686 for(i=0;i<nb_ostreams;i++) {
1687 ost = &ost_table[i];
1688 if (ost->input_video_filter && ost->source_index == ist_index) {
1689 if (!picture.sample_aspect_ratio.num)
1690 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1691 picture.pts = ist->pts;
1693 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1699 // preprocess audio (volume)
1700 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1701 if (audio_volume != 256) {
1704 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1705 int v = ((*volp) * audio_volume + 128) >> 8;
1706 if (v < -32768) v = -32768;
1707 if (v > 32767) v = 32767;
1713 /* frame rate emulation */
1715 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1716 int64_t now = av_gettime() - ist->start;
1720 /* if output time reached then transcode raw format,
1721 encode packets and output them */
1722 for (i = 0; i < nb_ostreams; i++) {
1723 OutputFile *of = &output_files[ost_table[i].file_index];
1726 ost = &ost_table[i];
1727 if (ost->source_index != ist_index)
1730 if (of->start_time && ist->pts < of->start_time)
1733 if (of->recording_time != INT64_MAX &&
1734 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1735 (AVRational){1, 1000000}) >= 0) {
1736 ost->is_past_recording_time = 1;
1741 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1742 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1743 while (frame_available) {
1744 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1745 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1746 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1749 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1750 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1754 os = output_files[ost->file_index].ctx;
1756 /* set the input output pts pairs */
1757 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1759 if (ost->encoding_needed) {
1760 av_assert0(ist->decoding_needed);
1761 switch(ost->st->codec->codec_type) {
1762 case AVMEDIA_TYPE_AUDIO:
1763 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1765 case AVMEDIA_TYPE_VIDEO:
1767 if (ost->picref->video && !ost->frame_aspect_ratio)
1768 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1770 do_video_out(os, ost, ist, &picture, &frame_size,
1771 same_quant ? quality : ost->st->codec->global_quality);
1772 if (vstats_filename && frame_size)
1773 do_video_stats(os, ost, frame_size);
1775 case AVMEDIA_TYPE_SUBTITLE:
1776 do_subtitle_out(os, ost, ist, &subtitle,
1783 AVFrame avframe; //FIXME/XXX remove this
1786 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1787 av_init_packet(&opkt);
1789 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1790 #if !CONFIG_AVFILTER
1796 /* no reencoding needed : output the packet directly */
1797 /* force the input stream PTS */
1799 avcodec_get_frame_defaults(&avframe);
1800 ost->st->codec->coded_frame= &avframe;
1801 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1803 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1804 audio_size += data_size;
1805 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1806 video_size += data_size;
1810 opkt.stream_index= ost->index;
1811 if(pkt->pts != AV_NOPTS_VALUE)
1812 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1814 opkt.pts= AV_NOPTS_VALUE;
1816 if (pkt->dts == AV_NOPTS_VALUE)
1817 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1819 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1820 opkt.dts -= ost_tb_start_time;
1822 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1823 opkt.flags= pkt->flags;
1825 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1826 if( ost->st->codec->codec_id != CODEC_ID_H264
1827 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1828 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1830 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1831 opkt.destruct= av_destruct_packet;
1833 opkt.data = data_buf;
1834 opkt.size = data_size;
1837 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1838 /* store AVPicture in AVPacket, as expected by the output format */
1839 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1840 opkt.data = (uint8_t *)&pict;
1841 opkt.size = sizeof(AVPicture);
1842 opkt.flags |= AV_PKT_FLAG_KEY;
1844 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1845 ost->st->codec->frame_number++;
1846 ost->frame_number++;
1847 av_free_packet(&opkt);
1851 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1852 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1853 avfilter_unref_buffer(ost->picref);
1858 av_free(buffer_to_free);
1859 /* XXX: allocate the subtitles in the codec ? */
1860 if (subtitle_to_free) {
1861 avsubtitle_free(subtitle_to_free);
1862 subtitle_to_free = NULL;
1868 flush_encoders(ist_index, ost_table, nb_ostreams);
1874 static void print_sdp(OutputFile *output_files, int n)
1878 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1882 for (i = 0; i < n; i++)
1883 avc[i] = output_files[i].ctx;
1885 av_sdp_create(avc, n, sdp, sizeof(sdp));
1886 printf("SDP:\n%s\n", sdp);
1891 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1892 char *error, int error_len)
1895 InputStream *ist = &input_streams[ist_index];
1896 if (ist->decoding_needed) {
1897 AVCodec *codec = ist->dec;
1899 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1901 snprintf(error, sizeof(error), "Decoder (codec %s) not found for input stream #%d.%d",
1902 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1903 return AVERROR(EINVAL);
1905 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1906 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1907 ist->file_index, ist->st->index);
1908 return AVERROR(EINVAL);
1910 assert_codec_experimental(ist->st->codec, 0);
1911 assert_avoptions(ist->opts);
1914 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1915 ist->next_pts = AV_NOPTS_VALUE;
1922 * The following code is the main loop of the file converter
1924 static int transcode(OutputFile *output_files,
1925 int nb_output_files,
1926 InputFile *input_files,
1930 AVFormatContext *is, *os;
1931 AVCodecContext *codec, *icodec;
1938 int no_packet_count=0;
1939 int64_t timer_start;
1941 if (!(no_packet = av_mallocz(nb_input_files)))
1945 for (i = 0; i < nb_input_streams; i++)
1946 input_streams[i].start = av_gettime();
1948 /* output stream init */
1949 for(i=0;i<nb_output_files;i++) {
1950 os = output_files[i].ctx;
1951 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1952 av_dump_format(os, i, os->filename, 1);
1953 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1954 ret = AVERROR(EINVAL);
1959 /* for each output stream, we compute the right encoding parameters */
1960 for (i = 0; i < nb_output_streams; i++) {
1961 ost = &output_streams[i];
1962 os = output_files[ost->file_index].ctx;
1963 ist = &input_streams[ost->source_index];
1965 codec = ost->st->codec;
1966 icodec = ist->st->codec;
1968 ost->st->disposition = ist->st->disposition;
1969 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1970 codec->chroma_sample_location = icodec->chroma_sample_location;
1972 if (ost->st->stream_copy) {
1973 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1975 if (extra_size > INT_MAX) {
1976 ret = AVERROR(EINVAL);
1980 /* if stream_copy is selected, no need to decode or encode */
1981 codec->codec_id = icodec->codec_id;
1982 codec->codec_type = icodec->codec_type;
1984 if(!codec->codec_tag){
1985 if( !os->oformat->codec_tag
1986 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1987 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1988 codec->codec_tag = icodec->codec_tag;
1991 codec->bit_rate = icodec->bit_rate;
1992 codec->rc_max_rate = icodec->rc_max_rate;
1993 codec->rc_buffer_size = icodec->rc_buffer_size;
1994 codec->extradata= av_mallocz(extra_size);
1995 if (!codec->extradata) {
1996 ret = AVERROR(ENOMEM);
1999 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2000 codec->extradata_size= icodec->extradata_size;
2002 codec->time_base = ist->st->time_base;
2003 if(!strcmp(os->oformat->name, "avi")) {
2004 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){
2005 codec->time_base = icodec->time_base;
2006 codec->time_base.num *= icodec->ticks_per_frame;
2007 codec->time_base.den *= 2;
2009 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2010 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){
2011 codec->time_base = icodec->time_base;
2012 codec->time_base.num *= icodec->ticks_per_frame;
2015 av_reduce(&codec->time_base.num, &codec->time_base.den,
2016 codec->time_base.num, codec->time_base.den, INT_MAX);
2018 switch(codec->codec_type) {
2019 case AVMEDIA_TYPE_AUDIO:
2020 if(audio_volume != 256) {
2021 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2024 codec->channel_layout = icodec->channel_layout;
2025 codec->sample_rate = icodec->sample_rate;
2026 codec->channels = icodec->channels;
2027 codec->frame_size = icodec->frame_size;
2028 codec->audio_service_type = icodec->audio_service_type;
2029 codec->block_align= icodec->block_align;
2030 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2031 codec->block_align= 0;
2032 if(codec->codec_id == CODEC_ID_AC3)
2033 codec->block_align= 0;
2035 case AVMEDIA_TYPE_VIDEO:
2036 codec->pix_fmt = icodec->pix_fmt;
2037 codec->width = icodec->width;
2038 codec->height = icodec->height;
2039 codec->has_b_frames = icodec->has_b_frames;
2040 if (!codec->sample_aspect_ratio.num) {
2041 codec->sample_aspect_ratio =
2042 ost->st->sample_aspect_ratio =
2043 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2044 ist->st->codec->sample_aspect_ratio.num ?
2045 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2048 case AVMEDIA_TYPE_SUBTITLE:
2049 codec->width = icodec->width;
2050 codec->height = icodec->height;
2052 case AVMEDIA_TYPE_DATA:
2059 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2060 switch(codec->codec_type) {
2061 case AVMEDIA_TYPE_AUDIO:
2062 ost->fifo= av_fifo_alloc(1024);
2064 ret = AVERROR(ENOMEM);
2067 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2068 if (!codec->sample_rate) {
2069 codec->sample_rate = icodec->sample_rate;
2071 choose_sample_rate(ost->st, ost->enc);
2072 codec->time_base = (AVRational){1, codec->sample_rate};
2073 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2074 codec->sample_fmt = icodec->sample_fmt;
2075 choose_sample_fmt(ost->st, ost->enc);
2076 if (!codec->channels) {
2077 codec->channels = icodec->channels;
2078 codec->channel_layout = icodec->channel_layout;
2080 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2081 codec->channel_layout = 0;
2082 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2083 icodec->request_channels = codec->channels;
2084 ist->decoding_needed = 1;
2085 ost->encoding_needed = 1;
2086 ost->resample_sample_fmt = icodec->sample_fmt;
2087 ost->resample_sample_rate = icodec->sample_rate;
2088 ost->resample_channels = icodec->channels;
2090 case AVMEDIA_TYPE_VIDEO:
2091 if (codec->pix_fmt == PIX_FMT_NONE)
2092 codec->pix_fmt = icodec->pix_fmt;
2093 choose_pixel_fmt(ost->st, ost->enc);
2095 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2096 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2100 if (!codec->width || !codec->height) {
2101 codec->width = icodec->width;
2102 codec->height = icodec->height;
2105 ost->video_resample = codec->width != icodec->width ||
2106 codec->height != icodec->height ||
2107 codec->pix_fmt != icodec->pix_fmt;
2108 if (ost->video_resample) {
2109 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2112 ost->resample_height = icodec->height;
2113 ost->resample_width = icodec->width;
2114 ost->resample_pix_fmt= icodec->pix_fmt;
2115 ost->encoding_needed = 1;
2116 ist->decoding_needed = 1;
2118 if (!ost->frame_rate.num)
2119 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2120 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2121 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2122 ost->frame_rate = ost->enc->supported_framerates[idx];
2124 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2125 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2126 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2127 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2128 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2132 if (configure_video_filters(ist, ost)) {
2133 fprintf(stderr, "Error opening filters!\n");
2138 case AVMEDIA_TYPE_SUBTITLE:
2139 ost->encoding_needed = 1;
2140 ist->decoding_needed = 1;
2147 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2148 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2149 char logfilename[1024];
2152 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2153 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2155 if (codec->flags & CODEC_FLAG_PASS1) {
2156 f = fopen(logfilename, "wb");
2158 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2164 size_t logbuffer_size;
2165 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2166 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2169 codec->stats_in = logbuffer;
2173 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2174 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2175 int size= codec->width * codec->height;
2176 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2181 bit_buffer = av_malloc(bit_buffer_size);
2183 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2185 ret = AVERROR(ENOMEM);
2189 /* open each encoder */
2190 for (i = 0; i < nb_output_streams; i++) {
2191 ost = &output_streams[i];
2192 if (ost->encoding_needed) {
2193 AVCodec *codec = ost->enc;
2194 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2196 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2197 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2198 ret = AVERROR(EINVAL);
2201 if (dec->subtitle_header) {
2202 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2203 if (!ost->st->codec->subtitle_header) {
2204 ret = AVERROR(ENOMEM);
2207 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2208 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2210 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2211 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2212 ost->file_index, ost->index);
2213 ret = AVERROR(EINVAL);
2216 assert_codec_experimental(ost->st->codec, 1);
2217 assert_avoptions(ost->opts);
2218 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2219 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2220 "It takes bits/s as argument, not kbits/s\n");
2221 extra_size += ost->st->codec->extradata_size;
2225 /* init input streams */
2226 for (i = 0; i < nb_input_streams; i++)
2227 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2230 /* open files and write file headers */
2231 for (i = 0; i < nb_output_files; i++) {
2232 os = output_files[i].ctx;
2233 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2234 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2235 ret = AVERROR(EINVAL);
2238 // assert_avoptions(output_files[i].opts);
2239 if (strcmp(os->oformat->name, "rtp")) {
2245 /* dump the file output parameters - cannot be done before in case
2247 for(i=0;i<nb_output_files;i++) {
2248 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2251 /* dump the stream mapping */
2253 fprintf(stderr, "Stream mapping:\n");
2254 for (i = 0; i < nb_output_streams;i ++) {
2255 ost = &output_streams[i];
2256 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2257 input_streams[ost->source_index].file_index,
2258 input_streams[ost->source_index].st->index,
2261 if (ost->sync_ist != &input_streams[ost->source_index])
2262 fprintf(stderr, " [sync #%d.%d]",
2263 ost->sync_ist->file_index,
2264 ost->sync_ist->st->index);
2265 if(ost->encoding_needed)
2266 fprintf(stderr, ": %s -> %s",
2267 input_streams[ost->source_index].dec ?
2268 input_streams[ost->source_index].dec->name : "?",
2269 ost->enc ? ost->enc->name : "?");
2271 fprintf(stderr, ": copy");
2272 fprintf(stderr, "\n");
2277 fprintf(stderr, "%s\n", error);
2282 print_sdp(output_files, nb_output_files);
2287 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2288 avio_set_interrupt_cb(decode_interrupt_cb);
2292 timer_start = av_gettime();
2294 for(; received_sigterm == 0;) {
2295 int file_index, ist_index;
2301 ipts_min= INT64_MAX;
2303 /* if 'q' pressed, exits */
2307 /* read_key() returns 0 on EOF */
2311 if (key == '+') verbose++;
2312 if (key == '-') verbose--;
2313 if (key == 's') qp_hist ^= 1;
2316 do_hex_dump = do_pkt_dump = 0;
2317 } else if(do_pkt_dump){
2321 av_log_set_level(AV_LOG_DEBUG);
2323 if (key == 'c' || key == 'C'){
2324 char ret[4096], target[64], cmd[256], arg[256]={0};
2326 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2327 if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2328 for(i=0;i<nb_output_streams;i++) {
2330 ost = &output_streams[i];
2333 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2334 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2336 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2341 fprintf(stderr, "Parse error\n");
2344 if (key == 'd' || key == 'D'){
2347 debug = input_streams[0].st->codec->debug<<1;
2348 if(!debug) debug = 1;
2349 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2352 scanf("%d", &debug);
2353 for(i=0;i<nb_input_streams;i++) {
2354 input_streams[i].st->codec->debug = debug;
2356 for(i=0;i<nb_output_streams;i++) {
2357 ost = &output_streams[i];
2358 ost->st->codec->debug = debug;
2360 if(debug) av_log_set_level(AV_LOG_DEBUG);
2361 fprintf(stderr,"debug=%d\n", debug);
2364 fprintf(stderr, "key function\n"
2365 "? show this help\n"
2366 "+ increase verbosity\n"
2367 "- decrease verbosity\n"
2368 "c Send command to filtergraph\n"
2369 "D cycle through available debug modes\n"
2370 "h dump packets/hex press to cycle through the 3 states\n"
2372 "s Show QP histogram\n"
2377 /* select the stream that we must read now by looking at the
2378 smallest output pts */
2380 for (i = 0; i < nb_output_streams; i++) {
2384 ost = &output_streams[i];
2385 of = &output_files[ost->file_index];
2386 os = output_files[ost->file_index].ctx;
2387 ist = &input_streams[ost->source_index];
2388 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2389 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2391 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2393 if (!input_files[ist->file_index].eof_reached){
2394 if(ipts < ipts_min) {
2396 if(input_sync ) file_index = ist->file_index;
2398 if(opts < opts_min) {
2400 if(!input_sync) file_index = ist->file_index;
2403 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2408 /* if none, if is finished */
2409 if (file_index < 0) {
2410 if(no_packet_count){
2412 memset(no_packet, 0, nb_input_files);
2419 /* read a frame from it and output it in the fifo */
2420 is = input_files[file_index].ctx;
2421 ret= av_read_frame(is, &pkt);
2422 if(ret == AVERROR(EAGAIN)){
2423 no_packet[file_index]=1;
2428 input_files[file_index].eof_reached = 1;
2436 memset(no_packet, 0, nb_input_files);
2439 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2440 is->streams[pkt.stream_index]);
2442 /* the following test is needed in case new streams appear
2443 dynamically in stream : we ignore them */
2444 if (pkt.stream_index >= input_files[file_index].nb_streams)
2445 goto discard_packet;
2446 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2447 ist = &input_streams[ist_index];
2449 goto discard_packet;
2451 if (pkt.dts != AV_NOPTS_VALUE)
2452 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2453 if (pkt.pts != AV_NOPTS_VALUE)
2454 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2456 if (ist->ts_scale) {
2457 if(pkt.pts != AV_NOPTS_VALUE)
2458 pkt.pts *= ist->ts_scale;
2459 if(pkt.dts != AV_NOPTS_VALUE)
2460 pkt.dts *= ist->ts_scale;
2463 // 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);
2464 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2465 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2466 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2467 int64_t delta= pkt_dts - ist->next_pts;
2468 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2469 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2470 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2471 pkt_dts+1<ist->pts)&& !copy_ts){
2472 input_files[ist->file_index].ts_offset -= delta;
2474 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2475 delta, input_files[ist->file_index].ts_offset);
2476 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2477 if(pkt.pts != AV_NOPTS_VALUE)
2478 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2482 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2483 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2486 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2487 ist->file_index, ist->st->index);
2490 av_free_packet(&pkt);
2495 av_free_packet(&pkt);
2497 /* dump report by using the output first video and audio streams */
2498 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2501 /* at the end of stream, we must flush the decoder buffers */
2502 for (i = 0; i < nb_input_streams; i++) {
2503 ist = &input_streams[i];
2504 if (ist->decoding_needed) {
2505 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2511 /* write the trailer if needed and close file */
2512 for(i=0;i<nb_output_files;i++) {
2513 os = output_files[i].ctx;
2514 av_write_trailer(os);
2517 /* dump report by using the first video and audio streams */
2518 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2520 /* close each encoder */
2521 for (i = 0; i < nb_output_streams; i++) {
2522 ost = &output_streams[i];
2523 if (ost->encoding_needed) {
2524 av_freep(&ost->st->codec->stats_in);
2525 avcodec_close(ost->st->codec);
2528 avfilter_graph_free(&ost->graph);
2532 /* close each decoder */
2533 for (i = 0; i < nb_input_streams; i++) {
2534 ist = &input_streams[i];
2535 if (ist->decoding_needed) {
2536 avcodec_close(ist->st->codec);
2544 av_freep(&bit_buffer);
2545 av_freep(&no_packet);
2547 if (output_streams) {
2548 for (i = 0; i < nb_output_streams; i++) {
2549 ost = &output_streams[i];
2551 if (ost->st->stream_copy)
2552 av_freep(&ost->st->codec->extradata);
2554 fclose(ost->logfile);
2555 ost->logfile = NULL;
2557 av_fifo_free(ost->fifo); /* works even if fifo is not
2558 initialized but set to zero */
2559 av_freep(&ost->st->codec->subtitle_header);
2560 av_free(ost->resample_frame.data[0]);
2561 av_free(ost->forced_kf_pts);
2562 if (ost->video_resample)
2563 sws_freeContext(ost->img_resample_ctx);
2565 audio_resample_close(ost->resample);
2566 if (ost->reformat_ctx)
2567 av_audio_convert_free(ost->reformat_ctx);
2568 av_dict_free(&ost->opts);
2575 static int opt_format(const char *opt, const char *arg)
2577 last_asked_format = arg;
2581 static int opt_video_rc_override_string(const char *opt, const char *arg)
2583 video_rc_override_string = arg;
2587 static int opt_me_threshold(const char *opt, const char *arg)
2589 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2593 static int opt_verbose(const char *opt, const char *arg)
2595 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2599 static int opt_frame_rate(const char *opt, const char *arg)
2601 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2602 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2608 static int opt_frame_crop(const char *opt, const char *arg)
2610 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2611 return AVERROR(EINVAL);
2614 static int opt_frame_size(const char *opt, const char *arg)
2616 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2617 fprintf(stderr, "Incorrect frame size\n");
2618 return AVERROR(EINVAL);
2623 static int opt_pad(const char *opt, const char *arg) {
2624 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2628 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2630 if (strcmp(arg, "list")) {
2631 frame_pix_fmt = av_get_pix_fmt(arg);
2632 if (frame_pix_fmt == PIX_FMT_NONE) {
2633 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2634 return AVERROR(EINVAL);
2637 opt_pix_fmts(NULL, NULL);
2643 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2650 p = strchr(arg, ':');
2652 x = strtol(arg, &end, 10);
2654 y = strtol(end+1, &end, 10);
2656 ar = (double)x / (double)y;
2658 ar = strtod(arg, NULL);
2661 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2662 return AVERROR(EINVAL);
2664 frame_aspect_ratio = ar;
2668 static int opt_metadata(const char *opt, const char *arg)
2670 char *mid= strchr(arg, '=');
2673 fprintf(stderr, "Missing =\n");
2678 av_dict_set(&metadata, arg, mid, 0);
2683 static int opt_qscale(const char *opt, const char *arg)
2685 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2686 if (video_qscale <= 0 || video_qscale > 255) {
2687 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2688 return AVERROR(EINVAL);
2693 static int opt_top_field_first(const char *opt, const char *arg)
2695 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2696 return opt_default(opt, arg);
2699 static int opt_thread_count(const char *opt, const char *arg)
2701 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2704 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2709 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2711 if (strcmp(arg, "list")) {
2712 audio_sample_fmt = av_get_sample_fmt(arg);
2713 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2714 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2715 return AVERROR(EINVAL);
2720 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2721 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2727 static int opt_audio_rate(const char *opt, const char *arg)
2729 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2733 static int opt_audio_channels(const char *opt, const char *arg)
2735 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2739 static int opt_video_channel(const char *opt, const char *arg)
2741 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2742 return opt_default("channel", arg);
2745 static int opt_video_standard(const char *opt, const char *arg)
2747 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2748 return opt_default("standard", arg);
2751 static int opt_codec(const char *opt, const char *arg)
2753 return av_dict_set(&codec_names, opt, arg, 0);
2756 static int opt_audio_codec(const char *opt, const char *arg)
2758 return opt_codec("codec:a", arg);
2761 static int opt_video_codec(const char *opt, const char *arg)
2763 return opt_codec("codec:v", arg);
2766 static int opt_subtitle_codec(const char *opt, const char *arg)
2768 return opt_codec("codec:s", arg);
2771 static int opt_data_codec(const char *opt, const char *arg)
2773 return opt_codec("codec:d", arg);
2776 static int opt_codec_tag(const char *opt, const char *arg)
2779 uint32_t *codec_tag;
2781 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2782 !strcmp(opt, "vtag") ? &video_codec_tag :
2783 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2787 *codec_tag = strtol(arg, &tail, 0);
2789 *codec_tag = AV_RL32(arg);
2794 static int opt_map(const char *opt, const char *arg)
2796 StreamMap *m = NULL;
2797 int i, negative = 0, file_idx;
2798 int sync_file_idx = -1, sync_stream_idx;
2806 map = av_strdup(arg);
2808 /* parse sync stream first, just pick first matching stream */
2809 if (sync = strchr(map, ',')) {
2811 sync_file_idx = strtol(sync + 1, &sync, 0);
2812 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2813 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2818 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2819 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2820 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2821 sync_stream_idx = i;
2824 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2825 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2826 "match any streams.\n", arg);
2832 file_idx = strtol(map, &p, 0);
2833 if (file_idx >= nb_input_files || file_idx < 0) {
2834 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2838 /* disable some already defined maps */
2839 for (i = 0; i < nb_stream_maps; i++) {
2840 m = &stream_maps[i];
2841 if (check_stream_specifier(input_files[m->file_index].ctx,
2842 input_files[m->file_index].ctx->streams[m->stream_index],
2843 *p == ':' ? p + 1 : p) > 0)
2847 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2848 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2849 *p == ':' ? p + 1 : p) <= 0)
2851 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2852 m = &stream_maps[nb_stream_maps - 1];
2854 m->file_index = file_idx;
2855 m->stream_index = i;
2857 if (sync_file_idx >= 0) {
2858 m->sync_file_index = sync_file_idx;
2859 m->sync_stream_index = sync_stream_idx;
2861 m->sync_file_index = file_idx;
2862 m->sync_stream_index = i;
2867 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2875 static void parse_meta_type(char *arg, char *type, int *index)
2885 if (*(++arg) == ':')
2886 *index = strtol(++arg, NULL, 0);
2889 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2896 static int opt_map_metadata(const char *opt, const char *arg)
2898 MetadataMap *m, *m1;
2901 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2902 &nb_meta_data_maps, nb_meta_data_maps + 1);
2904 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2905 m->file = strtol(arg, &p, 0);
2906 parse_meta_type(p, &m->type, &m->index);
2908 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2909 if (p = strchr(opt, ':'))
2910 parse_meta_type(p, &m1->type, &m1->index);
2914 if (m->type == 'g' || m1->type == 'g')
2915 metadata_global_autocopy = 0;
2916 if (m->type == 's' || m1->type == 's')
2917 metadata_streams_autocopy = 0;
2918 if (m->type == 'c' || m1->type == 'c')
2919 metadata_chapters_autocopy = 0;
2924 static int opt_map_meta_data(const char *opt, const char *arg)
2926 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2927 "Use -map_metadata instead.\n");
2928 return opt_map_metadata(opt, arg);
2931 static int opt_input_ts_scale(const char *opt, const char *arg)
2933 return av_dict_set(&ts_scale, opt, arg, 0);
2936 static int opt_recording_time(const char *opt, const char *arg)
2938 recording_time = parse_time_or_die(opt, arg, 1);
2942 static int opt_start_time(const char *opt, const char *arg)
2944 start_time = parse_time_or_die(opt, arg, 1);
2948 static int opt_recording_timestamp(const char *opt, const char *arg)
2951 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2952 struct tm time = *gmtime((time_t*)&recording_timestamp);
2953 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2954 opt_metadata("metadata", buf);
2956 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2957 "tag instead.\n", opt);
2961 static int opt_input_ts_offset(const char *opt, const char *arg)
2963 input_ts_offset = parse_time_or_die(opt, arg, 1);
2967 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2969 const char *codec_string = encoder ? "encoder" : "decoder";
2973 return CODEC_ID_NONE;
2975 avcodec_find_encoder_by_name(name) :
2976 avcodec_find_decoder_by_name(name);
2978 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2981 if(codec->type != type) {
2982 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2988 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2990 AVDictionaryEntry *e = NULL;
2991 char *codec_name = NULL;
2994 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2995 char *p = strchr(e->key, ':');
2997 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2998 codec_name = e->value;
3005 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3006 return avcodec_find_encoder(st->codec->codec_id);
3008 } else if (!strcmp(codec_name, "copy"))
3009 st->stream_copy = 1;
3011 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3012 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3013 avcodec_find_decoder_by_name(codec_name);
3020 * Add all the streams from the given input file to the global
3021 * list of input streams.
3023 static void add_input_streams(AVFormatContext *ic)
3025 int i, rfps, rfps_base, ret;
3027 for (i = 0; i < ic->nb_streams; i++) {
3028 AVStream *st = ic->streams[i];
3029 AVCodecContext *dec = st->codec;
3030 AVDictionaryEntry *e = NULL;
3034 dec->thread_count = thread_count;
3036 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3037 ist = &input_streams[nb_input_streams - 1];
3039 ist->file_index = nb_input_files;
3041 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3043 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3044 char *p = strchr(e->key, ':');
3046 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3052 ist->ts_scale = strtod(scale, NULL);
3054 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3056 switch (dec->codec_type) {
3057 case AVMEDIA_TYPE_AUDIO:
3059 ist->dec = avcodec_find_decoder(dec->codec_id);
3061 st->discard= AVDISCARD_ALL;
3063 case AVMEDIA_TYPE_VIDEO:
3065 ist->dec = avcodec_find_decoder(dec->codec_id);
3066 rfps = ic->streams[i]->r_frame_rate.num;
3067 rfps_base = ic->streams[i]->r_frame_rate.den;
3069 dec->flags |= CODEC_FLAG_EMU_EDGE;
3072 dec->debug |= FF_DEBUG_MV;
3074 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3077 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3078 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3080 (float)rfps / rfps_base, rfps, rfps_base);
3084 st->discard= AVDISCARD_ALL;
3085 else if(video_discard)
3086 st->discard= video_discard;
3088 case AVMEDIA_TYPE_DATA:
3090 case AVMEDIA_TYPE_SUBTITLE:
3092 ist->dec = avcodec_find_decoder(dec->codec_id);
3093 if(subtitle_disable)
3094 st->discard = AVDISCARD_ALL;
3096 case AVMEDIA_TYPE_ATTACHMENT:
3097 case AVMEDIA_TYPE_UNKNOWN:
3105 static int opt_input_file(const char *opt, const char *filename)
3107 AVFormatContext *ic;
3108 AVInputFormat *file_iformat = NULL;
3112 AVDictionary **opts;
3113 int orig_nb_streams; // number of streams before avformat_find_stream_info
3115 if (last_asked_format) {
3116 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3117 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3120 last_asked_format = NULL;
3123 if (!strcmp(filename, "-"))
3126 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3127 !strcmp(filename, "/dev/stdin");
3129 /* get default parameters from command line */
3130 ic = avformat_alloc_context();
3132 print_error(filename, AVERROR(ENOMEM));
3135 if (audio_sample_rate) {
3136 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3137 av_dict_set(&format_opts, "sample_rate", buf, 0);
3139 if (audio_channels) {
3140 snprintf(buf, sizeof(buf), "%d", audio_channels);
3141 av_dict_set(&format_opts, "channels", buf, 0);
3143 if (frame_rate.num) {
3144 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3145 av_dict_set(&format_opts, "framerate", buf, 0);
3147 if (frame_width && frame_height) {
3148 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3149 av_dict_set(&format_opts, "video_size", buf, 0);
3151 if (frame_pix_fmt != PIX_FMT_NONE)
3152 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3154 ic->flags |= AVFMT_FLAG_NONBLOCK;
3157 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3158 ic->loop_input = loop_input;
3161 /* open the input file with generic libav function */
3162 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3164 print_error(filename, err);
3167 assert_avoptions(format_opts);
3172 for(i=0; i<ic->nb_streams; i++){
3173 ic->streams[i]->discard= AVDISCARD_ALL;
3175 for(i=0; i<ic->nb_programs; i++){
3176 AVProgram *p= ic->programs[i];
3177 if(p->id != opt_programid){
3178 p->discard = AVDISCARD_ALL;
3181 for(j=0; j<p->nb_stream_indexes; j++){
3182 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3187 fprintf(stderr, "Specified program id not found\n");
3193 /* apply forced codec ids */
3194 for (i = 0; i < ic->nb_streams; i++)
3195 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3197 /* Set AVCodecContext options for avformat_find_stream_info */
3198 opts = setup_find_stream_info_opts(ic, codec_opts);
3199 orig_nb_streams = ic->nb_streams;
3201 /* If not enough info to get the stream parameters, we decode the
3202 first frames to get it. (used in mpeg case for example) */
3203 ret = avformat_find_stream_info(ic, opts);
3204 if (ret < 0 && verbose >= 0) {
3205 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3206 av_close_input_file(ic);
3210 timestamp = start_time;
3211 /* add the stream start time */
3212 if (ic->start_time != AV_NOPTS_VALUE)
3213 timestamp += ic->start_time;
3215 /* if seeking requested, we execute it */
3216 if (start_time != 0) {
3217 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3219 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3220 filename, (double)timestamp / AV_TIME_BASE);
3222 /* reset seek info */
3226 /* update the current parameters so that they match the one of the input stream */
3227 add_input_streams(ic);
3229 /* dump the file content */
3231 av_dump_format(ic, nb_input_files, filename, 0);
3233 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3234 input_files[nb_input_files - 1].ctx = ic;
3235 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3236 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3237 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3239 top_field_first = -1;
3240 frame_rate = (AVRational){0, 0};
3241 frame_pix_fmt = PIX_FMT_NONE;
3244 audio_sample_rate = 0;
3246 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3247 av_dict_free(&ts_scale);
3249 for (i = 0; i < orig_nb_streams; i++)
3250 av_dict_free(&opts[i]);
3252 av_dict_free(&codec_names);
3258 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3259 AVCodecContext *avctx)
3265 for (p = kf; *p; p++)
3268 ost->forced_kf_count = n;
3269 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3270 if (!ost->forced_kf_pts) {
3271 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3274 for (i = 0; i < n; i++) {
3275 p = i ? strchr(p, ',') + 1 : kf;
3276 t = parse_time_or_die("force_key_frames", p, 1);
3277 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3281 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3284 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3285 int idx = oc->nb_streams - 1;
3288 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3292 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3293 nb_output_streams + 1);
3294 ost = &output_streams[nb_output_streams - 1];
3295 ost->file_index = nb_output_files;
3298 st->codec->codec_type = type;
3299 ost->enc = choose_codec(oc, st, type, codec_names);
3301 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3304 avcodec_get_context_defaults3(st->codec, ost->enc);
3305 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3307 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3311 static OutputStream *new_video_stream(AVFormatContext *oc)
3315 AVCodecContext *video_enc;
3317 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3319 if (!st->stream_copy) {
3320 ost->frame_aspect_ratio = frame_aspect_ratio;
3321 frame_aspect_ratio = 0;
3323 ost->avfilter = vfilters;
3328 ost->bitstream_filters = video_bitstream_filters;
3329 video_bitstream_filters= NULL;
3331 st->codec->thread_count= thread_count;
3333 video_enc = st->codec;
3336 video_enc->codec_tag= video_codec_tag;
3338 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3339 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3342 if (st->stream_copy) {
3343 video_enc->sample_aspect_ratio =
3344 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3350 ost->frame_rate = frame_rate;
3352 video_enc->width = frame_width;
3353 video_enc->height = frame_height;
3354 video_enc->pix_fmt = frame_pix_fmt;
3355 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3356 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3359 video_enc->gop_size = 0;
3360 if (video_qscale || same_quant) {
3361 video_enc->flags |= CODEC_FLAG_QSCALE;
3362 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3366 video_enc->intra_matrix = intra_matrix;
3368 video_enc->inter_matrix = inter_matrix;
3370 p= video_rc_override_string;
3373 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3375 fprintf(stderr, "error parsing rc_override\n");
3378 video_enc->rc_override=
3379 av_realloc(video_enc->rc_override,
3380 sizeof(RcOverride)*(i+1));
3381 video_enc->rc_override[i].start_frame= start;
3382 video_enc->rc_override[i].end_frame = end;
3384 video_enc->rc_override[i].qscale= q;
3385 video_enc->rc_override[i].quality_factor= 1.0;
3388 video_enc->rc_override[i].qscale= 0;
3389 video_enc->rc_override[i].quality_factor= -q/100.0;
3394 video_enc->rc_override_count=i;
3395 if (!video_enc->rc_initial_buffer_occupancy)
3396 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3397 video_enc->me_threshold= me_threshold;
3398 video_enc->intra_dc_precision= intra_dc_precision - 8;
3401 video_enc->flags|= CODEC_FLAG_PSNR;
3406 video_enc->flags |= CODEC_FLAG_PASS1;
3408 video_enc->flags |= CODEC_FLAG_PASS2;
3412 if (forced_key_frames)
3413 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3415 if (video_language) {
3416 av_dict_set(&st->metadata, "language", video_language, 0);
3417 av_freep(&video_language);
3420 /* reset some key parameters */
3422 av_freep(&forced_key_frames);
3423 frame_pix_fmt = PIX_FMT_NONE;
3427 static OutputStream *new_audio_stream(AVFormatContext *oc)
3431 AVCodecContext *audio_enc;
3433 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3436 ost->bitstream_filters = audio_bitstream_filters;
3437 audio_bitstream_filters= NULL;
3439 st->codec->thread_count= thread_count;
3441 audio_enc = st->codec;
3442 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3445 audio_enc->codec_tag= audio_codec_tag;
3447 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3448 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3450 if (!st->stream_copy) {
3451 if (audio_qscale > QSCALE_NONE) {
3452 audio_enc->flags |= CODEC_FLAG_QSCALE;
3453 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3456 audio_enc->channels = audio_channels;
3457 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3458 audio_enc->sample_fmt = audio_sample_fmt;
3459 if (audio_sample_rate)
3460 audio_enc->sample_rate = audio_sample_rate;
3462 if (audio_language) {
3463 av_dict_set(&st->metadata, "language", audio_language, 0);
3464 av_freep(&audio_language);
3467 /* reset some key parameters */
3473 static OutputStream *new_data_stream(AVFormatContext *oc)
3477 AVCodecContext *data_enc;
3479 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3481 data_enc = st->codec;
3482 if (!st->stream_copy) {
3483 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3488 data_enc->codec_tag= data_codec_tag;
3490 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3491 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3498 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3502 AVCodecContext *subtitle_enc;
3504 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3506 subtitle_enc = st->codec;
3508 ost->bitstream_filters = subtitle_bitstream_filters;
3509 subtitle_bitstream_filters= NULL;
3511 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3513 if(subtitle_codec_tag)
3514 subtitle_enc->codec_tag= subtitle_codec_tag;
3516 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3517 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3520 if (subtitle_language) {
3521 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3522 av_freep(&subtitle_language);
3525 subtitle_disable = 0;
3529 /* arg format is "output-stream-index:streamid-value". */
3530 static int opt_streamid(const char *opt, const char *arg)
3536 av_strlcpy(idx_str, arg, sizeof(idx_str));
3537 p = strchr(idx_str, ':');
3540 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3545 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3546 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3547 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3550 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3553 AVFormatContext *ic = NULL;
3555 err = avformat_open_input(&ic, filename, NULL, NULL);
3558 /* copy stream format */
3559 for(i=0;i<ic->nb_streams;i++) {
3564 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3565 ost = new_output_stream(s, codec->type);
3568 // FIXME: a more elegant solution is needed
3569 memcpy(st, ic->streams[i], sizeof(AVStream));
3570 st->info = av_malloc(sizeof(*st->info));
3571 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3572 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3574 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3575 choose_sample_fmt(st, codec);
3576 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3577 choose_pixel_fmt(st, codec);
3580 av_close_input_file(ic);
3585 static int copy_chapters(int infile, int outfile)
3587 AVFormatContext *is = input_files[infile].ctx;
3588 AVFormatContext *os = output_files[outfile].ctx;
3591 for (i = 0; i < is->nb_chapters; i++) {
3592 AVChapter *in_ch = is->chapters[i], *out_ch;
3593 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3594 AV_TIME_BASE_Q, in_ch->time_base);
3595 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3596 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3599 if (in_ch->end < ts_off)
3601 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3604 out_ch = av_mallocz(sizeof(AVChapter));
3606 return AVERROR(ENOMEM);
3608 out_ch->id = in_ch->id;
3609 out_ch->time_base = in_ch->time_base;
3610 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3611 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3613 if (metadata_chapters_autocopy)
3614 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3617 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3619 return AVERROR(ENOMEM);
3620 os->chapters[os->nb_chapters - 1] = out_ch;
3625 static int opt_output_file(const char *opt, const char *filename)
3627 AVFormatContext *oc;
3629 AVOutputFormat *file_oformat;
3633 if (!strcmp(filename, "-"))
3636 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3637 last_asked_format = NULL;
3639 print_error(filename, err);
3642 file_oformat= oc->oformat;
3644 if (!strcmp(file_oformat->name, "ffm") &&
3645 av_strstart(filename, "http:", NULL)) {
3646 /* special case for files sent to ffserver: we get the stream
3647 parameters from ffserver */
3648 int err = read_ffserver_streams(oc, filename);
3650 print_error(filename, err);
3653 } else if (!nb_stream_maps) {
3654 /* pick the "best" stream of each type */
3655 #define NEW_STREAM(type, index)\
3657 ost = new_ ## type ## _stream(oc);\
3658 ost->source_index = index;\
3659 ost->sync_ist = &input_streams[index];\
3660 input_streams[index].discard = 0;\
3663 /* video: highest resolution */
3664 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3665 int area = 0, idx = -1;
3666 for (i = 0; i < nb_input_streams; i++) {
3667 ist = &input_streams[i];
3668 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3669 ist->st->codec->width * ist->st->codec->height > area) {
3670 area = ist->st->codec->width * ist->st->codec->height;
3674 NEW_STREAM(video, idx);
3677 /* audio: most channels */
3678 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3679 int channels = 0, idx = -1;
3680 for (i = 0; i < nb_input_streams; i++) {
3681 ist = &input_streams[i];
3682 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3683 ist->st->codec->channels > channels) {
3684 channels = ist->st->codec->channels;
3688 NEW_STREAM(audio, idx);
3691 /* subtitles: pick first */
3692 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3693 for (i = 0; i < nb_input_streams; i++)
3694 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3695 NEW_STREAM(subtitle, i);
3699 /* do something with data? */
3701 for (i = 0; i < nb_stream_maps; i++) {
3702 StreamMap *map = &stream_maps[i];
3707 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3708 switch (ist->st->codec->codec_type) {
3709 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3710 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3711 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3712 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3714 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3715 map->file_index, map->stream_index);
3719 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3720 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3721 map->sync_stream_index];
3726 av_dict_copy(&oc->metadata, metadata, 0);
3727 av_dict_free(&metadata);
3730 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3731 output_files[nb_output_files - 1].ctx = oc;
3732 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3733 output_files[nb_output_files - 1].recording_time = recording_time;
3734 output_files[nb_output_files - 1].start_time = start_time;
3735 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3736 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3738 /* check filename in case of an image number is expected */
3739 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3740 if (!av_filename_number_test(oc->filename)) {
3741 print_error(oc->filename, AVERROR(EINVAL));
3746 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3747 /* test if it already exists to avoid loosing precious files */
3748 if (!file_overwrite &&
3749 (strchr(filename, ':') == NULL ||
3750 filename[1] == ':' ||
3751 av_strstart(filename, "file:", NULL))) {
3752 if (avio_check(filename, 0) == 0) {
3754 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3756 if (!read_yesno()) {
3757 fprintf(stderr, "Not overwriting - exiting\n");
3762 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3769 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3770 print_error(filename, err);
3775 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3776 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3778 if (loop_output >= 0) {
3779 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3780 oc->loop_output = loop_output;
3784 if (chapters_input_file >= nb_input_files) {
3785 if (chapters_input_file == INT_MAX) {
3786 /* copy chapters from the first input file that has them*/
3787 chapters_input_file = -1;
3788 for (i = 0; i < nb_input_files; i++)
3789 if (input_files[i].ctx->nb_chapters) {
3790 chapters_input_file = i;
3794 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3795 chapters_input_file);
3799 if (chapters_input_file >= 0)
3800 copy_chapters(chapters_input_file, nb_output_files - 1);
3803 for (i = 0; i < nb_meta_data_maps; i++) {
3804 AVFormatContext *files[2];
3805 AVDictionary **meta[2];
3808 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3809 if ((index) < 0 || (index) >= (nb_elems)) {\
3810 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3815 int in_file_index = meta_data_maps[i][1].file;
3816 if (in_file_index < 0)
3818 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3821 files[1] = input_files[in_file_index].ctx;
3823 for (j = 0; j < 2; j++) {
3824 MetadataMap *map = &meta_data_maps[i][j];
3826 switch (map->type) {
3828 meta[j] = &files[j]->metadata;
3831 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3832 meta[j] = &files[j]->streams[map->index]->metadata;
3835 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3836 meta[j] = &files[j]->chapters[map->index]->metadata;
3839 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3840 meta[j] = &files[j]->programs[map->index]->metadata;
3845 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3848 /* copy global metadata by default */
3849 if (metadata_global_autocopy && nb_input_files)
3850 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3851 AV_DICT_DONT_OVERWRITE);
3852 if (metadata_streams_autocopy)
3853 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3854 InputStream *ist = &input_streams[output_streams[i].source_index];
3855 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3858 frame_rate = (AVRational){0, 0};
3861 audio_sample_rate = 0;
3863 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3864 chapters_input_file = INT_MAX;
3865 recording_time = INT64_MAX;
3867 limit_filesize = UINT64_MAX;
3869 av_freep(&meta_data_maps);
3870 nb_meta_data_maps = 0;
3871 metadata_global_autocopy = 1;
3872 metadata_streams_autocopy = 1;
3873 metadata_chapters_autocopy = 1;
3874 av_freep(&stream_maps);
3876 av_freep(&streamid_map);
3877 nb_streamid_map = 0;
3879 av_dict_free(&codec_names);
3881 av_freep(&forced_key_frames);
3887 /* same option as mencoder */
3888 static int opt_pass(const char *opt, const char *arg)
3890 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3894 static int64_t getutime(void)
3897 struct rusage rusage;
3899 getrusage(RUSAGE_SELF, &rusage);
3900 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3901 #elif HAVE_GETPROCESSTIMES
3903 FILETIME c, e, k, u;
3904 proc = GetCurrentProcess();
3905 GetProcessTimes(proc, &c, &e, &k, &u);
3906 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3908 return av_gettime();
3912 static int64_t getmaxrss(void)
3914 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3915 struct rusage rusage;
3916 getrusage(RUSAGE_SELF, &rusage);
3917 return (int64_t)rusage.ru_maxrss * 1024;
3918 #elif HAVE_GETPROCESSMEMORYINFO
3920 PROCESS_MEMORY_COUNTERS memcounters;
3921 proc = GetCurrentProcess();
3922 memcounters.cb = sizeof(memcounters);
3923 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3924 return memcounters.PeakPagefileUsage;
3930 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3933 const char *p = str;
3940 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3947 static int opt_inter_matrix(const char *opt, const char *arg)
3949 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3950 parse_matrix_coeffs(inter_matrix, arg);
3954 static int opt_intra_matrix(const char *opt, const char *arg)
3956 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3957 parse_matrix_coeffs(intra_matrix, arg);
3961 static void show_usage(void)
3963 printf("Hyper fast Audio and Video encoder\n");
3964 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3968 static int opt_help(const char *opt, const char *arg)
3971 AVOutputFormat *oformat = NULL;
3972 AVInputFormat *iformat = NULL;
3974 av_log_set_callback(log_callback_help);
3976 show_help_options(options, "Main options:\n",
3977 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3978 show_help_options(options, "\nAdvanced options:\n",
3979 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3981 show_help_options(options, "\nVideo options:\n",
3982 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3984 show_help_options(options, "\nAdvanced Video options:\n",
3985 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3986 OPT_VIDEO | OPT_EXPERT);
3987 show_help_options(options, "\nAudio options:\n",
3988 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3990 show_help_options(options, "\nAdvanced Audio options:\n",
3991 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3992 OPT_AUDIO | OPT_EXPERT);
3993 show_help_options(options, "\nSubtitle options:\n",
3994 OPT_SUBTITLE | OPT_GRAB,
3996 show_help_options(options, "\nAudio/Video grab options:\n",
4000 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4003 /* individual codec options */
4005 while ((c = av_codec_next(c))) {
4006 if (c->priv_class) {
4007 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4012 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4015 /* individual muxer options */
4016 while ((oformat = av_oformat_next(oformat))) {
4017 if (oformat->priv_class) {
4018 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4023 /* individual demuxer options */
4024 while ((iformat = av_iformat_next(iformat))) {
4025 if (iformat->priv_class) {
4026 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4031 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4035 static int opt_target(const char *opt, const char *arg)
4037 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4038 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4040 if(!strncmp(arg, "pal-", 4)) {
4043 } else if(!strncmp(arg, "ntsc-", 5)) {
4046 } else if(!strncmp(arg, "film-", 5)) {
4051 /* Calculate FR via float to avoid int overflow */
4052 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4055 } else if((fr == 29970) || (fr == 23976)) {
4058 /* Try to determine PAL/NTSC by peeking in the input files */
4059 if(nb_input_files) {
4061 for (j = 0; j < nb_input_files; j++) {
4062 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4063 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4064 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4066 fr = c->time_base.den * 1000 / c->time_base.num;
4070 } else if((fr == 29970) || (fr == 23976)) {
4080 if(verbose > 0 && norm != UNKNOWN)
4081 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4084 if(norm == UNKNOWN) {
4085 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4086 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4087 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4091 if(!strcmp(arg, "vcd")) {
4092 opt_codec("c:v", "mpeg1video");
4093 opt_codec("c:a", "mp2");
4094 opt_format("f", "vcd");
4096 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4097 opt_frame_rate("r", frame_rates[norm]);
4098 opt_default("g", norm == PAL ? "15" : "18");
4100 opt_default("b", "1150000");
4101 opt_default("maxrate", "1150000");
4102 opt_default("minrate", "1150000");
4103 opt_default("bufsize", "327680"); // 40*1024*8;
4105 opt_default("b:a", "224000");
4106 audio_sample_rate = 44100;
4109 opt_default("packetsize", "2324");
4110 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4112 /* We have to offset the PTS, so that it is consistent with the SCR.
4113 SCR starts at 36000, but the first two packs contain only padding
4114 and the first pack from the other stream, respectively, may also have
4115 been written before.
4116 So the real data starts at SCR 36000+3*1200. */
4117 mux_preload= (36000+3*1200) / 90000.0; //0.44
4118 } else if(!strcmp(arg, "svcd")) {
4120 opt_codec("c:v", "mpeg2video");
4121 opt_codec("c:a", "mp2");
4122 opt_format("f", "svcd");
4124 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4125 opt_frame_rate("r", frame_rates[norm]);
4126 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4127 opt_default("g", norm == PAL ? "15" : "18");
4129 opt_default("b", "2040000");
4130 opt_default("maxrate", "2516000");
4131 opt_default("minrate", "0"); //1145000;
4132 opt_default("bufsize", "1835008"); //224*1024*8;
4133 opt_default("flags", "+scan_offset");
4136 opt_default("b:a", "224000");
4137 audio_sample_rate = 44100;
4139 opt_default("packetsize", "2324");
4141 } else if(!strcmp(arg, "dvd")) {
4143 opt_codec("c:v", "mpeg2video");
4144 opt_codec("c:a", "ac3");
4145 opt_format("f", "dvd");
4147 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4148 opt_frame_rate("r", frame_rates[norm]);
4149 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4150 opt_default("g", norm == PAL ? "15" : "18");
4152 opt_default("b", "6000000");
4153 opt_default("maxrate", "9000000");
4154 opt_default("minrate", "0"); //1500000;
4155 opt_default("bufsize", "1835008"); //224*1024*8;
4157 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4158 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4160 opt_default("b:a", "448000");
4161 audio_sample_rate = 48000;
4163 } else if(!strncmp(arg, "dv", 2)) {
4165 opt_format("f", "dv");
4167 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4168 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4169 norm == PAL ? "yuv420p" : "yuv411p");
4170 opt_frame_rate("r", frame_rates[norm]);
4172 audio_sample_rate = 48000;
4176 fprintf(stderr, "Unknown target: %s\n", arg);
4177 return AVERROR(EINVAL);
4182 static int opt_vstats_file(const char *opt, const char *arg)
4184 av_free (vstats_filename);
4185 vstats_filename=av_strdup (arg);
4189 static int opt_vstats(const char *opt, const char *arg)
4192 time_t today2 = time(NULL);
4193 struct tm *today = localtime(&today2);
4195 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4197 return opt_vstats_file(opt, filename);
4200 static int opt_bsf(const char *opt, const char *arg)
4202 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4203 AVBitStreamFilterContext **bsfp;
4206 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4210 bsfp= *opt == 'v' ? &video_bitstream_filters :
4211 *opt == 'a' ? &audio_bitstream_filters :
4212 &subtitle_bitstream_filters;
4214 bsfp= &(*bsfp)->next;
4221 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4225 static int opt_passlogfile(const char *opt, const char *arg)
4227 pass_logfilename_prefix = arg;
4228 #if CONFIG_LIBX264_ENCODER
4229 return opt_default("passlogfile", arg);
4235 static const OptionDef options[] = {
4237 #include "cmdutils_common_opts.h"
4238 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4239 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4240 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4241 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4242 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4243 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4244 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4245 "outfile[,metadata]:infile[,metadata]" },
4246 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4247 "outfile[,metadata]:infile[,metadata]" },
4248 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4249 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4250 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4251 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4252 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4253 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4254 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4255 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4256 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4257 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4258 "add timings for benchmarking" },
4259 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4260 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4261 "dump each input packet" },
4262 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4263 "when dumping packets, also dump the payload" },
4264 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4265 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4266 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4267 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4268 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4269 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4270 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4271 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4272 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4273 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4274 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4275 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4276 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4277 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4278 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4279 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4282 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4283 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4284 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4285 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4286 { "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" },
4287 { "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" },
4288 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4289 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4290 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4291 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4292 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4293 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4294 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4295 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4296 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4297 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4298 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4299 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4300 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4301 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4302 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4303 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4304 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4305 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4306 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4307 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4308 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4309 "deinterlace pictures" },
4310 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4311 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4312 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4314 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4316 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4317 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4318 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4319 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4320 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4321 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4322 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4323 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4324 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4325 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4328 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4329 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4330 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4331 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4332 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4333 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4334 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4335 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4336 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4337 { "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" },
4339 /* subtitle options */
4340 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4341 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4342 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4343 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4346 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4347 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4348 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4351 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4352 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4354 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4355 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4356 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4358 /* data codec support */
4359 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4361 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4365 int main(int argc, char **argv)
4369 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4371 if(argc>1 && !strcmp(argv[1], "-d")){
4374 av_log_set_callback(log_callback_null);
4379 avcodec_register_all();
4381 avdevice_register_all();
4384 avfilter_register_all();
4389 if(isatty(STDIN_FILENO))
4390 avio_set_interrupt_cb(decode_interrupt_cb);
4399 parse_options(argc, argv, options, opt_output_file);
4401 if(nb_output_files <= 0 && nb_input_files == 0) {
4403 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4407 /* file converter / grab */
4408 if (nb_output_files <= 0) {
4409 fprintf(stderr, "At least one output file must be specified\n");
4413 if (nb_input_files == 0) {
4414 fprintf(stderr, "At least one input file must be specified\n");
4419 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4421 ti = getutime() - ti;
4423 int maxrss = getmaxrss() / 1024;
4424 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4427 return exit_program(0);