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(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->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;
1683 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1684 if (start_time == 0 || ist->pts >= start_time) {
1685 for(i=0;i<nb_ostreams;i++) {
1686 ost = &ost_table[i];
1687 if (ost->input_video_filter && ost->source_index == ist_index) {
1688 if (!picture.sample_aspect_ratio.num)
1689 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1690 picture.pts = ist->pts;
1692 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1698 // preprocess audio (volume)
1699 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1700 if (audio_volume != 256) {
1703 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1704 int v = ((*volp) * audio_volume + 128) >> 8;
1705 *volp++ = av_clip_int16(v);
1710 /* frame rate emulation */
1712 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1713 int64_t now = av_gettime() - ist->start;
1717 /* if output time reached then transcode raw format,
1718 encode packets and output them */
1719 for (i = 0; i < nb_ostreams; i++) {
1720 OutputFile *of = &output_files[ost_table[i].file_index];
1723 ost = &ost_table[i];
1724 if (ost->source_index != ist_index)
1727 if (of->start_time && ist->pts < of->start_time)
1730 if (of->recording_time != INT64_MAX &&
1731 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1732 (AVRational){1, 1000000}) >= 0) {
1733 ost->is_past_recording_time = 1;
1738 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1739 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1740 while (frame_available) {
1741 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1742 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1743 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1746 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1747 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1751 os = output_files[ost->file_index].ctx;
1753 /* set the input output pts pairs */
1754 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1756 if (ost->encoding_needed) {
1757 av_assert0(ist->decoding_needed);
1758 switch(ost->st->codec->codec_type) {
1759 case AVMEDIA_TYPE_AUDIO:
1760 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1762 case AVMEDIA_TYPE_VIDEO:
1764 if (ost->picref->video && !ost->frame_aspect_ratio)
1765 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1767 do_video_out(os, ost, ist, &picture, &frame_size,
1768 same_quant ? quality : ost->st->codec->global_quality);
1769 if (vstats_filename && frame_size)
1770 do_video_stats(os, ost, frame_size);
1772 case AVMEDIA_TYPE_SUBTITLE:
1773 do_subtitle_out(os, ost, ist, &subtitle,
1780 AVFrame avframe; //FIXME/XXX remove this
1783 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1784 av_init_packet(&opkt);
1786 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1787 #if !CONFIG_AVFILTER
1793 /* no reencoding needed : output the packet directly */
1794 /* force the input stream PTS */
1796 avcodec_get_frame_defaults(&avframe);
1797 ost->st->codec->coded_frame= &avframe;
1798 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1800 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1801 audio_size += data_size;
1802 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1803 video_size += data_size;
1807 opkt.stream_index= ost->index;
1808 if(pkt->pts != AV_NOPTS_VALUE)
1809 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1811 opkt.pts= AV_NOPTS_VALUE;
1813 if (pkt->dts == AV_NOPTS_VALUE)
1814 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1816 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1817 opkt.dts -= ost_tb_start_time;
1819 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1820 opkt.flags= pkt->flags;
1822 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1823 if( ost->st->codec->codec_id != CODEC_ID_H264
1824 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1825 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1827 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1828 opkt.destruct= av_destruct_packet;
1830 opkt.data = data_buf;
1831 opkt.size = data_size;
1834 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1835 /* store AVPicture in AVPacket, as expected by the output format */
1836 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1837 opkt.data = (uint8_t *)&pict;
1838 opkt.size = sizeof(AVPicture);
1839 opkt.flags |= AV_PKT_FLAG_KEY;
1841 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1842 ost->st->codec->frame_number++;
1843 ost->frame_number++;
1844 av_free_packet(&opkt);
1848 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1849 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1850 avfilter_unref_buffer(ost->picref);
1855 av_free(buffer_to_free);
1856 /* XXX: allocate the subtitles in the codec ? */
1857 if (subtitle_to_free) {
1858 avsubtitle_free(subtitle_to_free);
1859 subtitle_to_free = NULL;
1867 static void print_sdp(OutputFile *output_files, int n)
1871 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1875 for (i = 0; i < n; i++)
1876 avc[i] = output_files[i].ctx;
1878 av_sdp_create(avc, n, sdp, sizeof(sdp));
1879 printf("SDP:\n%s\n", sdp);
1884 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1885 char *error, int error_len)
1888 InputStream *ist = &input_streams[ist_index];
1889 if (ist->decoding_needed) {
1890 AVCodec *codec = ist->dec;
1892 snprintf(error, sizeof(error), "Decoder (codec %s) not found for input stream #%d.%d",
1893 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1894 return AVERROR(EINVAL);
1896 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1897 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1898 ist->file_index, ist->st->index);
1899 return AVERROR(EINVAL);
1901 assert_codec_experimental(ist->st->codec, 0);
1902 assert_avoptions(ist->opts);
1905 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1906 ist->next_pts = AV_NOPTS_VALUE;
1912 static int transcode_init(OutputFile *output_files,
1913 int nb_output_files,
1914 InputFile *input_files,
1918 AVFormatContext *os;
1919 AVCodecContext *codec, *icodec;
1926 for (i = 0; i < nb_input_streams; i++)
1927 input_streams[i].start = av_gettime();
1929 /* output stream init */
1930 for(i=0;i<nb_output_files;i++) {
1931 os = output_files[i].ctx;
1932 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1933 av_dump_format(os, i, os->filename, 1);
1934 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1935 return AVERROR(EINVAL);
1939 /* for each output stream, we compute the right encoding parameters */
1940 for (i = 0; i < nb_output_streams; i++) {
1941 ost = &output_streams[i];
1942 os = output_files[ost->file_index].ctx;
1943 ist = &input_streams[ost->source_index];
1945 codec = ost->st->codec;
1946 icodec = ist->st->codec;
1948 ost->st->disposition = ist->st->disposition;
1949 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1950 codec->chroma_sample_location = icodec->chroma_sample_location;
1952 if (ost->st->stream_copy) {
1953 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1955 if (extra_size > INT_MAX) {
1956 return AVERROR(EINVAL);
1959 /* if stream_copy is selected, no need to decode or encode */
1960 codec->codec_id = icodec->codec_id;
1961 codec->codec_type = icodec->codec_type;
1963 if(!codec->codec_tag){
1964 if( !os->oformat->codec_tag
1965 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1966 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1967 codec->codec_tag = icodec->codec_tag;
1970 codec->bit_rate = icodec->bit_rate;
1971 codec->rc_max_rate = icodec->rc_max_rate;
1972 codec->rc_buffer_size = icodec->rc_buffer_size;
1973 codec->extradata= av_mallocz(extra_size);
1974 if (!codec->extradata) {
1975 return AVERROR(ENOMEM);
1977 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1978 codec->extradata_size= icodec->extradata_size;
1980 codec->time_base = ist->st->time_base;
1981 if(!strcmp(os->oformat->name, "avi")) {
1982 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1983 codec->time_base = icodec->time_base;
1984 codec->time_base.num *= icodec->ticks_per_frame;
1985 codec->time_base.den *= 2;
1987 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1988 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1989 codec->time_base = icodec->time_base;
1990 codec->time_base.num *= icodec->ticks_per_frame;
1993 av_reduce(&codec->time_base.num, &codec->time_base.den,
1994 codec->time_base.num, codec->time_base.den, INT_MAX);
1996 switch(codec->codec_type) {
1997 case AVMEDIA_TYPE_AUDIO:
1998 if(audio_volume != 256) {
1999 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2002 codec->channel_layout = icodec->channel_layout;
2003 codec->sample_rate = icodec->sample_rate;
2004 codec->channels = icodec->channels;
2005 codec->frame_size = icodec->frame_size;
2006 codec->audio_service_type = icodec->audio_service_type;
2007 codec->block_align= icodec->block_align;
2008 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2009 codec->block_align= 0;
2010 if(codec->codec_id == CODEC_ID_AC3)
2011 codec->block_align= 0;
2013 case AVMEDIA_TYPE_VIDEO:
2014 codec->pix_fmt = icodec->pix_fmt;
2015 codec->width = icodec->width;
2016 codec->height = icodec->height;
2017 codec->has_b_frames = icodec->has_b_frames;
2018 if (!codec->sample_aspect_ratio.num) {
2019 codec->sample_aspect_ratio =
2020 ost->st->sample_aspect_ratio =
2021 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2022 ist->st->codec->sample_aspect_ratio.num ?
2023 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2026 case AVMEDIA_TYPE_SUBTITLE:
2027 codec->width = icodec->width;
2028 codec->height = icodec->height;
2030 case AVMEDIA_TYPE_DATA:
2037 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2038 switch(codec->codec_type) {
2039 case AVMEDIA_TYPE_AUDIO:
2040 ost->fifo= av_fifo_alloc(1024);
2042 return AVERROR(ENOMEM);
2044 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2045 if (!codec->sample_rate) {
2046 codec->sample_rate = icodec->sample_rate;
2048 choose_sample_rate(ost->st, ost->enc);
2049 codec->time_base = (AVRational){1, codec->sample_rate};
2050 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2051 codec->sample_fmt = icodec->sample_fmt;
2052 choose_sample_fmt(ost->st, ost->enc);
2053 if (!codec->channels) {
2054 codec->channels = icodec->channels;
2055 codec->channel_layout = icodec->channel_layout;
2057 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2058 codec->channel_layout = 0;
2059 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2060 icodec->request_channels = codec->channels;
2061 ist->decoding_needed = 1;
2062 ost->encoding_needed = 1;
2063 ost->resample_sample_fmt = icodec->sample_fmt;
2064 ost->resample_sample_rate = icodec->sample_rate;
2065 ost->resample_channels = icodec->channels;
2067 case AVMEDIA_TYPE_VIDEO:
2068 if (codec->pix_fmt == PIX_FMT_NONE)
2069 codec->pix_fmt = icodec->pix_fmt;
2070 choose_pixel_fmt(ost->st, ost->enc);
2072 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2073 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2077 if (!codec->width || !codec->height) {
2078 codec->width = icodec->width;
2079 codec->height = icodec->height;
2082 ost->video_resample = codec->width != icodec->width ||
2083 codec->height != icodec->height ||
2084 codec->pix_fmt != icodec->pix_fmt;
2085 if (ost->video_resample) {
2086 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2089 ost->resample_height = icodec->height;
2090 ost->resample_width = icodec->width;
2091 ost->resample_pix_fmt= icodec->pix_fmt;
2092 ost->encoding_needed = 1;
2093 ist->decoding_needed = 1;
2095 if (!ost->frame_rate.num)
2096 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2097 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2098 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2099 ost->frame_rate = ost->enc->supported_framerates[idx];
2101 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2102 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2103 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2104 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2105 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2109 if (configure_video_filters(ist, ost)) {
2110 fprintf(stderr, "Error opening filters!\n");
2115 case AVMEDIA_TYPE_SUBTITLE:
2116 ost->encoding_needed = 1;
2117 ist->decoding_needed = 1;
2124 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2125 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2126 char logfilename[1024];
2129 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2130 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2132 if (codec->flags & CODEC_FLAG_PASS1) {
2133 f = fopen(logfilename, "wb");
2135 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2141 size_t logbuffer_size;
2142 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2143 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2146 codec->stats_in = logbuffer;
2150 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2151 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2152 int size= codec->width * codec->height;
2153 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2158 bit_buffer = av_malloc(bit_buffer_size);
2160 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2162 return AVERROR(ENOMEM);
2165 /* open each encoder */
2166 for (i = 0; i < nb_output_streams; i++) {
2167 ost = &output_streams[i];
2168 if (ost->encoding_needed) {
2169 AVCodec *codec = ost->enc;
2170 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2172 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2173 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2174 ret = AVERROR(EINVAL);
2177 if (dec->subtitle_header) {
2178 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2179 if (!ost->st->codec->subtitle_header) {
2180 ret = AVERROR(ENOMEM);
2183 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2184 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2186 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2187 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2188 ost->file_index, ost->index);
2189 ret = AVERROR(EINVAL);
2192 assert_codec_experimental(ost->st->codec, 1);
2193 assert_avoptions(ost->opts);
2194 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2195 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2196 "It takes bits/s as argument, not kbits/s\n");
2197 extra_size += ost->st->codec->extradata_size;
2201 /* init input streams */
2202 for (i = 0; i < nb_input_streams; i++)
2203 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2206 /* open files and write file headers */
2207 for (i = 0; i < nb_output_files; i++) {
2208 os = output_files[i].ctx;
2209 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2210 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2211 ret = AVERROR(EINVAL);
2214 // assert_avoptions(output_files[i].opts);
2215 if (strcmp(os->oformat->name, "rtp")) {
2221 /* dump the file output parameters - cannot be done before in case
2223 for(i=0;i<nb_output_files;i++) {
2224 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2227 /* dump the stream mapping */
2229 fprintf(stderr, "Stream mapping:\n");
2230 for (i = 0; i < nb_output_streams;i ++) {
2231 ost = &output_streams[i];
2232 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2233 input_streams[ost->source_index].file_index,
2234 input_streams[ost->source_index].st->index,
2237 if (ost->sync_ist != &input_streams[ost->source_index])
2238 fprintf(stderr, " [sync #%d.%d]",
2239 ost->sync_ist->file_index,
2240 ost->sync_ist->st->index);
2241 if (ost->st->stream_copy)
2242 fprintf(stderr, " (copy)");
2244 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2245 input_streams[ost->source_index].dec->name : "?",
2246 ost->enc ? ost->enc->name : "?");
2247 fprintf(stderr, "\n");
2252 fprintf(stderr, "%s\n", error);
2257 print_sdp(output_files, nb_output_files);
2264 * The following code is the main loop of the file converter
2266 static int transcode(OutputFile *output_files,
2267 int nb_output_files,
2268 InputFile *input_files,
2272 AVFormatContext *is, *os;
2276 int no_packet_count=0;
2277 int64_t timer_start;
2280 if (!(no_packet = av_mallocz(nb_input_files)))
2283 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2289 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2290 avio_set_interrupt_cb(decode_interrupt_cb);
2294 timer_start = av_gettime();
2296 for(; received_sigterm == 0;) {
2297 int file_index, ist_index;
2303 ipts_min= INT64_MAX;
2305 /* if 'q' pressed, exits */
2309 /* read_key() returns 0 on EOF */
2313 if (key == '+') verbose++;
2314 if (key == '-') verbose--;
2315 if (key == 's') qp_hist ^= 1;
2318 do_hex_dump = do_pkt_dump = 0;
2319 } else if(do_pkt_dump){
2323 av_log_set_level(AV_LOG_DEBUG);
2325 if (key == 'c' || key == 'C'){
2326 char ret[4096], target[64], cmd[256], arg[256]={0};
2328 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2329 if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2330 for(i=0;i<nb_output_streams;i++) {
2332 ost = &output_streams[i];
2335 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2336 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2338 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2343 fprintf(stderr, "Parse error\n");
2346 if (key == 'd' || key == 'D'){
2349 debug = input_streams[0].st->codec->debug<<1;
2350 if(!debug) debug = 1;
2351 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2354 scanf("%d", &debug);
2355 for(i=0;i<nb_input_streams;i++) {
2356 input_streams[i].st->codec->debug = debug;
2358 for(i=0;i<nb_output_streams;i++) {
2359 ost = &output_streams[i];
2360 ost->st->codec->debug = debug;
2362 if(debug) av_log_set_level(AV_LOG_DEBUG);
2363 fprintf(stderr,"debug=%d\n", debug);
2366 fprintf(stderr, "key function\n"
2367 "? show this help\n"
2368 "+ increase verbosity\n"
2369 "- decrease verbosity\n"
2370 "c Send command to filtergraph\n"
2371 "D cycle through available debug modes\n"
2372 "h dump packets/hex press to cycle through the 3 states\n"
2374 "s Show QP histogram\n"
2379 /* select the stream that we must read now by looking at the
2380 smallest output pts */
2382 for (i = 0; i < nb_output_streams; i++) {
2386 ost = &output_streams[i];
2387 of = &output_files[ost->file_index];
2388 os = output_files[ost->file_index].ctx;
2389 ist = &input_streams[ost->source_index];
2390 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2391 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2393 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2395 if (!input_files[ist->file_index].eof_reached){
2396 if(ipts < ipts_min) {
2398 if(input_sync ) file_index = ist->file_index;
2400 if(opts < opts_min) {
2402 if(!input_sync) file_index = ist->file_index;
2405 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2410 /* if none, if is finished */
2411 if (file_index < 0) {
2412 if(no_packet_count){
2414 memset(no_packet, 0, nb_input_files);
2421 /* read a frame from it and output it in the fifo */
2422 is = input_files[file_index].ctx;
2423 ret= av_read_frame(is, &pkt);
2424 if(ret == AVERROR(EAGAIN)){
2425 no_packet[file_index]=1;
2430 input_files[file_index].eof_reached = 1;
2438 memset(no_packet, 0, nb_input_files);
2441 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2442 is->streams[pkt.stream_index]);
2444 /* the following test is needed in case new streams appear
2445 dynamically in stream : we ignore them */
2446 if (pkt.stream_index >= input_files[file_index].nb_streams)
2447 goto discard_packet;
2448 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2449 ist = &input_streams[ist_index];
2451 goto discard_packet;
2453 if (pkt.dts != AV_NOPTS_VALUE)
2454 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2455 if (pkt.pts != AV_NOPTS_VALUE)
2456 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2458 if (ist->ts_scale) {
2459 if(pkt.pts != AV_NOPTS_VALUE)
2460 pkt.pts *= ist->ts_scale;
2461 if(pkt.dts != AV_NOPTS_VALUE)
2462 pkt.dts *= ist->ts_scale;
2465 // 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);
2466 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2467 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2468 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2469 int64_t delta= pkt_dts - ist->next_pts;
2470 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2471 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2472 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2473 pkt_dts+1<ist->pts)&& !copy_ts){
2474 input_files[ist->file_index].ts_offset -= delta;
2476 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2477 delta, input_files[ist->file_index].ts_offset);
2478 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2479 if(pkt.pts != AV_NOPTS_VALUE)
2480 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2484 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2485 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2488 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2489 ist->file_index, ist->st->index);
2492 av_free_packet(&pkt);
2497 av_free_packet(&pkt);
2499 /* dump report by using the output first video and audio streams */
2500 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2503 /* at the end of stream, we must flush the decoder buffers */
2504 for (i = 0; i < nb_input_streams; i++) {
2505 ist = &input_streams[i];
2506 if (ist->decoding_needed) {
2507 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2510 flush_encoders(output_streams, nb_output_streams);
2514 /* write the trailer if needed and close file */
2515 for(i=0;i<nb_output_files;i++) {
2516 os = output_files[i].ctx;
2517 av_write_trailer(os);
2520 /* dump report by using the first video and audio streams */
2521 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2523 /* close each encoder */
2524 for (i = 0; i < nb_output_streams; i++) {
2525 ost = &output_streams[i];
2526 if (ost->encoding_needed) {
2527 av_freep(&ost->st->codec->stats_in);
2528 avcodec_close(ost->st->codec);
2531 avfilter_graph_free(&ost->graph);
2535 /* close each decoder */
2536 for (i = 0; i < nb_input_streams; i++) {
2537 ist = &input_streams[i];
2538 if (ist->decoding_needed) {
2539 avcodec_close(ist->st->codec);
2547 av_freep(&bit_buffer);
2548 av_freep(&no_packet);
2550 if (output_streams) {
2551 for (i = 0; i < nb_output_streams; i++) {
2552 ost = &output_streams[i];
2554 if (ost->st->stream_copy)
2555 av_freep(&ost->st->codec->extradata);
2557 fclose(ost->logfile);
2558 ost->logfile = NULL;
2560 av_fifo_free(ost->fifo); /* works even if fifo is not
2561 initialized but set to zero */
2562 av_freep(&ost->st->codec->subtitle_header);
2563 av_free(ost->resample_frame.data[0]);
2564 av_free(ost->forced_kf_pts);
2565 if (ost->video_resample)
2566 sws_freeContext(ost->img_resample_ctx);
2568 audio_resample_close(ost->resample);
2569 if (ost->reformat_ctx)
2570 av_audio_convert_free(ost->reformat_ctx);
2571 av_dict_free(&ost->opts);
2578 static int opt_format(const char *opt, const char *arg)
2580 last_asked_format = arg;
2584 static int opt_video_rc_override_string(const char *opt, const char *arg)
2586 video_rc_override_string = arg;
2590 static int opt_me_threshold(const char *opt, const char *arg)
2592 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2596 static int opt_verbose(const char *opt, const char *arg)
2598 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2602 static int opt_frame_rate(const char *opt, const char *arg)
2604 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2605 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2611 static int opt_frame_crop(const char *opt, const char *arg)
2613 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2614 return AVERROR(EINVAL);
2617 static int opt_frame_size(const char *opt, const char *arg)
2619 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2620 fprintf(stderr, "Incorrect frame size\n");
2621 return AVERROR(EINVAL);
2626 static int opt_pad(const char *opt, const char *arg) {
2627 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2631 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2633 if (strcmp(arg, "list")) {
2634 frame_pix_fmt = av_get_pix_fmt(arg);
2635 if (frame_pix_fmt == PIX_FMT_NONE) {
2636 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2637 return AVERROR(EINVAL);
2640 opt_pix_fmts(NULL, NULL);
2646 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2653 p = strchr(arg, ':');
2655 x = strtol(arg, &end, 10);
2657 y = strtol(end+1, &end, 10);
2659 ar = (double)x / (double)y;
2661 ar = strtod(arg, NULL);
2664 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2665 return AVERROR(EINVAL);
2667 frame_aspect_ratio = ar;
2671 static int opt_metadata(const char *opt, const char *arg)
2673 char *mid= strchr(arg, '=');
2676 fprintf(stderr, "Missing =\n");
2681 av_dict_set(&metadata, arg, mid, 0);
2686 static int opt_qscale(const char *opt, const char *arg)
2688 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2689 if (video_qscale <= 0 || video_qscale > 255) {
2690 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2691 return AVERROR(EINVAL);
2696 static int opt_top_field_first(const char *opt, const char *arg)
2698 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2699 return opt_default(opt, arg);
2702 static int opt_thread_count(const char *opt, const char *arg)
2704 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2707 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2712 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2714 if (strcmp(arg, "list")) {
2715 audio_sample_fmt = av_get_sample_fmt(arg);
2716 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2717 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2718 return AVERROR(EINVAL);
2723 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2724 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2730 static int opt_audio_rate(const char *opt, const char *arg)
2732 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2736 static int opt_audio_channels(const char *opt, const char *arg)
2738 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2742 static int opt_video_channel(const char *opt, const char *arg)
2744 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2745 return opt_default("channel", arg);
2748 static int opt_video_standard(const char *opt, const char *arg)
2750 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2751 return opt_default("standard", arg);
2754 static int opt_codec(const char *opt, const char *arg)
2756 return av_dict_set(&codec_names, opt, arg, 0);
2759 static int opt_audio_codec(const char *opt, const char *arg)
2761 return opt_codec("codec:a", arg);
2764 static int opt_video_codec(const char *opt, const char *arg)
2766 return opt_codec("codec:v", arg);
2769 static int opt_subtitle_codec(const char *opt, const char *arg)
2771 return opt_codec("codec:s", arg);
2774 static int opt_data_codec(const char *opt, const char *arg)
2776 return opt_codec("codec:d", arg);
2779 static int opt_codec_tag(const char *opt, const char *arg)
2782 uint32_t *codec_tag;
2784 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2785 !strcmp(opt, "vtag") ? &video_codec_tag :
2786 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2790 *codec_tag = strtol(arg, &tail, 0);
2792 *codec_tag = AV_RL32(arg);
2797 static int opt_map(const char *opt, const char *arg)
2799 StreamMap *m = NULL;
2800 int i, negative = 0, file_idx;
2801 int sync_file_idx = -1, sync_stream_idx;
2809 map = av_strdup(arg);
2811 /* parse sync stream first, just pick first matching stream */
2812 if (sync = strchr(map, ',')) {
2814 sync_file_idx = strtol(sync + 1, &sync, 0);
2815 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2816 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2821 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2822 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2823 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2824 sync_stream_idx = i;
2827 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2828 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2829 "match any streams.\n", arg);
2835 file_idx = strtol(map, &p, 0);
2836 if (file_idx >= nb_input_files || file_idx < 0) {
2837 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2841 /* disable some already defined maps */
2842 for (i = 0; i < nb_stream_maps; i++) {
2843 m = &stream_maps[i];
2844 if (check_stream_specifier(input_files[m->file_index].ctx,
2845 input_files[m->file_index].ctx->streams[m->stream_index],
2846 *p == ':' ? p + 1 : p) > 0)
2850 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2851 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2852 *p == ':' ? p + 1 : p) <= 0)
2854 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2855 m = &stream_maps[nb_stream_maps - 1];
2857 m->file_index = file_idx;
2858 m->stream_index = i;
2860 if (sync_file_idx >= 0) {
2861 m->sync_file_index = sync_file_idx;
2862 m->sync_stream_index = sync_stream_idx;
2864 m->sync_file_index = file_idx;
2865 m->sync_stream_index = i;
2870 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2878 static void parse_meta_type(char *arg, char *type, int *index)
2888 if (*(++arg) == ':')
2889 *index = strtol(++arg, NULL, 0);
2892 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2899 static int opt_map_metadata(const char *opt, const char *arg)
2901 MetadataMap *m, *m1;
2904 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2905 &nb_meta_data_maps, nb_meta_data_maps + 1);
2907 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2908 m->file = strtol(arg, &p, 0);
2909 parse_meta_type(p, &m->type, &m->index);
2911 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2912 if (p = strchr(opt, ':'))
2913 parse_meta_type(p, &m1->type, &m1->index);
2917 if (m->type == 'g' || m1->type == 'g')
2918 metadata_global_autocopy = 0;
2919 if (m->type == 's' || m1->type == 's')
2920 metadata_streams_autocopy = 0;
2921 if (m->type == 'c' || m1->type == 'c')
2922 metadata_chapters_autocopy = 0;
2927 static int opt_map_meta_data(const char *opt, const char *arg)
2929 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2930 "Use -map_metadata instead.\n");
2931 return opt_map_metadata(opt, arg);
2934 static int opt_input_ts_scale(const char *opt, const char *arg)
2936 return av_dict_set(&ts_scale, opt, arg, 0);
2939 static int opt_recording_time(const char *opt, const char *arg)
2941 recording_time = parse_time_or_die(opt, arg, 1);
2945 static int opt_start_time(const char *opt, const char *arg)
2947 start_time = parse_time_or_die(opt, arg, 1);
2951 static int opt_recording_timestamp(const char *opt, const char *arg)
2954 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2955 struct tm time = *gmtime((time_t*)&recording_timestamp);
2956 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2957 opt_metadata("metadata", buf);
2959 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2960 "tag instead.\n", opt);
2964 static int opt_input_ts_offset(const char *opt, const char *arg)
2966 input_ts_offset = parse_time_or_die(opt, arg, 1);
2970 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2972 const char *codec_string = encoder ? "encoder" : "decoder";
2976 return CODEC_ID_NONE;
2978 avcodec_find_encoder_by_name(name) :
2979 avcodec_find_decoder_by_name(name);
2981 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2984 if(codec->type != type) {
2985 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2991 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2993 AVDictionaryEntry *e = NULL;
2994 char *codec_name = NULL;
2997 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2998 char *p = strchr(e->key, ':');
3000 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3001 codec_name = e->value;
3008 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3009 return avcodec_find_encoder(st->codec->codec_id);
3011 } else if (!strcmp(codec_name, "copy"))
3012 st->stream_copy = 1;
3014 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3015 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3016 avcodec_find_decoder_by_name(codec_name);
3023 * Add all the streams from the given input file to the global
3024 * list of input streams.
3026 static void add_input_streams(AVFormatContext *ic)
3028 int i, rfps, rfps_base, ret;
3030 for (i = 0; i < ic->nb_streams; i++) {
3031 AVStream *st = ic->streams[i];
3032 AVCodecContext *dec = st->codec;
3033 AVDictionaryEntry *e = NULL;
3037 dec->thread_count = thread_count;
3039 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3040 ist = &input_streams[nb_input_streams - 1];
3042 ist->file_index = nb_input_files;
3044 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3046 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3047 char *p = strchr(e->key, ':');
3049 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3055 ist->ts_scale = strtod(scale, NULL);
3057 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3059 ist->dec = avcodec_find_decoder(dec->codec_id);
3061 switch (dec->codec_type) {
3062 case AVMEDIA_TYPE_AUDIO:
3064 ist->dec = avcodec_find_decoder(dec->codec_id);
3066 st->discard= AVDISCARD_ALL;
3068 case AVMEDIA_TYPE_VIDEO:
3070 ist->dec = avcodec_find_decoder(dec->codec_id);
3071 rfps = ic->streams[i]->r_frame_rate.num;
3072 rfps_base = ic->streams[i]->r_frame_rate.den;
3074 dec->flags |= CODEC_FLAG_EMU_EDGE;
3077 dec->debug |= FF_DEBUG_MV;
3079 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3082 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3083 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3085 (float)rfps / rfps_base, rfps, rfps_base);
3089 st->discard= AVDISCARD_ALL;
3090 else if(video_discard)
3091 st->discard= video_discard;
3093 case AVMEDIA_TYPE_DATA:
3095 case AVMEDIA_TYPE_SUBTITLE:
3097 ist->dec = avcodec_find_decoder(dec->codec_id);
3098 if(subtitle_disable)
3099 st->discard = AVDISCARD_ALL;
3101 case AVMEDIA_TYPE_ATTACHMENT:
3102 case AVMEDIA_TYPE_UNKNOWN:
3110 static int opt_input_file(const char *opt, const char *filename)
3112 AVFormatContext *ic;
3113 AVInputFormat *file_iformat = NULL;
3117 AVDictionary **opts;
3118 int orig_nb_streams; // number of streams before avformat_find_stream_info
3120 if (last_asked_format) {
3121 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3122 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3125 last_asked_format = NULL;
3128 if (!strcmp(filename, "-"))
3131 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3132 !strcmp(filename, "/dev/stdin");
3134 /* get default parameters from command line */
3135 ic = avformat_alloc_context();
3137 print_error(filename, AVERROR(ENOMEM));
3140 if (audio_sample_rate) {
3141 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3142 av_dict_set(&format_opts, "sample_rate", buf, 0);
3144 if (audio_channels) {
3145 snprintf(buf, sizeof(buf), "%d", audio_channels);
3146 av_dict_set(&format_opts, "channels", buf, 0);
3148 if (frame_rate.num) {
3149 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3150 av_dict_set(&format_opts, "framerate", buf, 0);
3152 if (frame_width && frame_height) {
3153 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3154 av_dict_set(&format_opts, "video_size", buf, 0);
3156 if (frame_pix_fmt != PIX_FMT_NONE)
3157 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3159 ic->flags |= AVFMT_FLAG_NONBLOCK;
3162 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3163 ic->loop_input = loop_input;
3166 /* open the input file with generic libav function */
3167 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3169 print_error(filename, err);
3172 assert_avoptions(format_opts);
3177 for(i=0; i<ic->nb_streams; i++){
3178 ic->streams[i]->discard= AVDISCARD_ALL;
3180 for(i=0; i<ic->nb_programs; i++){
3181 AVProgram *p= ic->programs[i];
3182 if(p->id != opt_programid){
3183 p->discard = AVDISCARD_ALL;
3186 for(j=0; j<p->nb_stream_indexes; j++){
3187 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3192 fprintf(stderr, "Specified program id not found\n");
3198 /* apply forced codec ids */
3199 for (i = 0; i < ic->nb_streams; i++)
3200 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3202 /* Set AVCodecContext options for avformat_find_stream_info */
3203 opts = setup_find_stream_info_opts(ic, codec_opts);
3204 orig_nb_streams = ic->nb_streams;
3206 /* If not enough info to get the stream parameters, we decode the
3207 first frames to get it. (used in mpeg case for example) */
3208 ret = avformat_find_stream_info(ic, opts);
3209 if (ret < 0 && verbose >= 0) {
3210 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3211 av_close_input_file(ic);
3215 timestamp = start_time;
3216 /* add the stream start time */
3217 if (ic->start_time != AV_NOPTS_VALUE)
3218 timestamp += ic->start_time;
3220 /* if seeking requested, we execute it */
3221 if (start_time != 0) {
3222 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3224 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3225 filename, (double)timestamp / AV_TIME_BASE);
3227 /* reset seek info */
3231 /* update the current parameters so that they match the one of the input stream */
3232 add_input_streams(ic);
3234 /* dump the file content */
3236 av_dump_format(ic, nb_input_files, filename, 0);
3238 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3239 input_files[nb_input_files - 1].ctx = ic;
3240 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3241 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3242 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3244 top_field_first = -1;
3245 frame_rate = (AVRational){0, 0};
3246 frame_pix_fmt = PIX_FMT_NONE;
3249 audio_sample_rate = 0;
3251 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3252 av_dict_free(&ts_scale);
3253 input_ts_offset = 0;
3255 for (i = 0; i < orig_nb_streams; i++)
3256 av_dict_free(&opts[i]);
3258 av_dict_free(&codec_names);
3264 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3265 AVCodecContext *avctx)
3271 for (p = kf; *p; p++)
3274 ost->forced_kf_count = n;
3275 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3276 if (!ost->forced_kf_pts) {
3277 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3280 for (i = 0; i < n; i++) {
3281 p = i ? strchr(p, ',') + 1 : kf;
3282 t = parse_time_or_die("force_key_frames", p, 1);
3283 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3287 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3290 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3291 int idx = oc->nb_streams - 1;
3294 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3298 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3299 nb_output_streams + 1);
3300 ost = &output_streams[nb_output_streams - 1];
3301 ost->file_index = nb_output_files;
3304 st->codec->codec_type = type;
3305 ost->enc = choose_codec(oc, st, type, codec_names);
3307 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3310 avcodec_get_context_defaults3(st->codec, ost->enc);
3311 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3313 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3317 static OutputStream *new_video_stream(AVFormatContext *oc)
3321 AVCodecContext *video_enc;
3323 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3325 if (!st->stream_copy) {
3326 ost->frame_aspect_ratio = frame_aspect_ratio;
3327 frame_aspect_ratio = 0;
3329 ost->avfilter = vfilters;
3334 ost->bitstream_filters = video_bitstream_filters;
3335 video_bitstream_filters= NULL;
3337 st->codec->thread_count= thread_count;
3339 video_enc = st->codec;
3342 video_enc->codec_tag= video_codec_tag;
3344 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3345 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3348 if (st->stream_copy) {
3349 video_enc->sample_aspect_ratio =
3350 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3356 ost->frame_rate = frame_rate;
3358 video_enc->width = frame_width;
3359 video_enc->height = frame_height;
3360 video_enc->pix_fmt = frame_pix_fmt;
3361 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3362 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3365 video_enc->gop_size = 0;
3366 if (video_qscale || same_quant) {
3367 video_enc->flags |= CODEC_FLAG_QSCALE;
3368 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3372 video_enc->intra_matrix = intra_matrix;
3374 video_enc->inter_matrix = inter_matrix;
3376 p= video_rc_override_string;
3379 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3381 fprintf(stderr, "error parsing rc_override\n");
3384 video_enc->rc_override=
3385 av_realloc(video_enc->rc_override,
3386 sizeof(RcOverride)*(i+1));
3387 video_enc->rc_override[i].start_frame= start;
3388 video_enc->rc_override[i].end_frame = end;
3390 video_enc->rc_override[i].qscale= q;
3391 video_enc->rc_override[i].quality_factor= 1.0;
3394 video_enc->rc_override[i].qscale= 0;
3395 video_enc->rc_override[i].quality_factor= -q/100.0;
3400 video_enc->rc_override_count=i;
3401 if (!video_enc->rc_initial_buffer_occupancy)
3402 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3403 video_enc->me_threshold= me_threshold;
3404 video_enc->intra_dc_precision= intra_dc_precision - 8;
3407 video_enc->flags|= CODEC_FLAG_PSNR;
3412 video_enc->flags |= CODEC_FLAG_PASS1;
3414 video_enc->flags |= CODEC_FLAG_PASS2;
3418 if (forced_key_frames)
3419 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3421 if (video_language) {
3422 av_dict_set(&st->metadata, "language", video_language, 0);
3423 av_freep(&video_language);
3426 /* reset some key parameters */
3428 av_freep(&forced_key_frames);
3429 frame_pix_fmt = PIX_FMT_NONE;
3433 static OutputStream *new_audio_stream(AVFormatContext *oc)
3437 AVCodecContext *audio_enc;
3439 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3442 ost->bitstream_filters = audio_bitstream_filters;
3443 audio_bitstream_filters= NULL;
3445 st->codec->thread_count= thread_count;
3447 audio_enc = st->codec;
3448 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3451 audio_enc->codec_tag= audio_codec_tag;
3453 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3454 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3456 if (!st->stream_copy) {
3457 if (audio_qscale > QSCALE_NONE) {
3458 audio_enc->flags |= CODEC_FLAG_QSCALE;
3459 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3462 audio_enc->channels = audio_channels;
3463 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3464 audio_enc->sample_fmt = audio_sample_fmt;
3465 if (audio_sample_rate)
3466 audio_enc->sample_rate = audio_sample_rate;
3468 if (audio_language) {
3469 av_dict_set(&st->metadata, "language", audio_language, 0);
3470 av_freep(&audio_language);
3473 /* reset some key parameters */
3479 static OutputStream *new_data_stream(AVFormatContext *oc)
3483 AVCodecContext *data_enc;
3485 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3487 data_enc = st->codec;
3488 if (!st->stream_copy) {
3489 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3494 data_enc->codec_tag= data_codec_tag;
3496 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3497 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3504 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3508 AVCodecContext *subtitle_enc;
3510 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3512 subtitle_enc = st->codec;
3514 ost->bitstream_filters = subtitle_bitstream_filters;
3515 subtitle_bitstream_filters= NULL;
3517 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3519 if(subtitle_codec_tag)
3520 subtitle_enc->codec_tag= subtitle_codec_tag;
3522 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3523 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3526 if (subtitle_language) {
3527 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3528 av_freep(&subtitle_language);
3531 subtitle_disable = 0;
3535 /* arg format is "output-stream-index:streamid-value". */
3536 static int opt_streamid(const char *opt, const char *arg)
3542 av_strlcpy(idx_str, arg, sizeof(idx_str));
3543 p = strchr(idx_str, ':');
3546 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3551 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3552 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3553 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3556 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3559 AVFormatContext *ic = NULL;
3561 err = avformat_open_input(&ic, filename, NULL, NULL);
3564 /* copy stream format */
3565 for(i=0;i<ic->nb_streams;i++) {
3570 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3571 ost = new_output_stream(s, codec->type);
3574 // FIXME: a more elegant solution is needed
3575 memcpy(st, ic->streams[i], sizeof(AVStream));
3576 st->info = av_malloc(sizeof(*st->info));
3577 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3578 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3580 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3581 choose_sample_fmt(st, codec);
3582 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3583 choose_pixel_fmt(st, codec);
3586 av_close_input_file(ic);
3591 static int copy_chapters(int infile, int outfile)
3593 AVFormatContext *is = input_files[infile].ctx;
3594 AVFormatContext *os = output_files[outfile].ctx;
3597 for (i = 0; i < is->nb_chapters; i++) {
3598 AVChapter *in_ch = is->chapters[i], *out_ch;
3599 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3600 AV_TIME_BASE_Q, in_ch->time_base);
3601 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3602 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3605 if (in_ch->end < ts_off)
3607 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3610 out_ch = av_mallocz(sizeof(AVChapter));
3612 return AVERROR(ENOMEM);
3614 out_ch->id = in_ch->id;
3615 out_ch->time_base = in_ch->time_base;
3616 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3617 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3619 if (metadata_chapters_autocopy)
3620 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3623 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3625 return AVERROR(ENOMEM);
3626 os->chapters[os->nb_chapters - 1] = out_ch;
3631 static int opt_output_file(const char *opt, const char *filename)
3633 AVFormatContext *oc;
3635 AVOutputFormat *file_oformat;
3639 if (!strcmp(filename, "-"))
3642 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3643 last_asked_format = NULL;
3645 print_error(filename, err);
3648 file_oformat= oc->oformat;
3650 if (!strcmp(file_oformat->name, "ffm") &&
3651 av_strstart(filename, "http:", NULL)) {
3652 /* special case for files sent to ffserver: we get the stream
3653 parameters from ffserver */
3654 int err = read_ffserver_streams(oc, filename);
3656 print_error(filename, err);
3659 } else if (!nb_stream_maps) {
3660 /* pick the "best" stream of each type */
3661 #define NEW_STREAM(type, index)\
3663 ost = new_ ## type ## _stream(oc);\
3664 ost->source_index = index;\
3665 ost->sync_ist = &input_streams[index];\
3666 input_streams[index].discard = 0;\
3669 /* video: highest resolution */
3670 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3671 int area = 0, idx = -1;
3672 for (i = 0; i < nb_input_streams; i++) {
3673 ist = &input_streams[i];
3674 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3675 ist->st->codec->width * ist->st->codec->height > area) {
3676 area = ist->st->codec->width * ist->st->codec->height;
3680 NEW_STREAM(video, idx);
3683 /* audio: most channels */
3684 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3685 int channels = 0, idx = -1;
3686 for (i = 0; i < nb_input_streams; i++) {
3687 ist = &input_streams[i];
3688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3689 ist->st->codec->channels > channels) {
3690 channels = ist->st->codec->channels;
3694 NEW_STREAM(audio, idx);
3697 /* subtitles: pick first */
3698 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3699 for (i = 0; i < nb_input_streams; i++)
3700 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3701 NEW_STREAM(subtitle, i);
3705 /* do something with data? */
3707 for (i = 0; i < nb_stream_maps; i++) {
3708 StreamMap *map = &stream_maps[i];
3713 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3714 switch (ist->st->codec->codec_type) {
3715 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3716 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3717 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3718 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3720 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3721 map->file_index, map->stream_index);
3725 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3726 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3727 map->sync_stream_index];
3732 av_dict_copy(&oc->metadata, metadata, 0);
3733 av_dict_free(&metadata);
3736 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3737 output_files[nb_output_files - 1].ctx = oc;
3738 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3739 output_files[nb_output_files - 1].recording_time = recording_time;
3740 output_files[nb_output_files - 1].start_time = start_time;
3741 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3742 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3744 /* check filename in case of an image number is expected */
3745 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3746 if (!av_filename_number_test(oc->filename)) {
3747 print_error(oc->filename, AVERROR(EINVAL));
3752 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3753 /* test if it already exists to avoid loosing precious files */
3754 if (!file_overwrite &&
3755 (strchr(filename, ':') == NULL ||
3756 filename[1] == ':' ||
3757 av_strstart(filename, "file:", NULL))) {
3758 if (avio_check(filename, 0) == 0) {
3760 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3762 if (!read_yesno()) {
3763 fprintf(stderr, "Not overwriting - exiting\n");
3768 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3775 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3776 print_error(filename, err);
3781 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3782 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3784 if (loop_output >= 0) {
3785 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3786 oc->loop_output = loop_output;
3790 if (chapters_input_file >= nb_input_files) {
3791 if (chapters_input_file == INT_MAX) {
3792 /* copy chapters from the first input file that has them*/
3793 chapters_input_file = -1;
3794 for (i = 0; i < nb_input_files; i++)
3795 if (input_files[i].ctx->nb_chapters) {
3796 chapters_input_file = i;
3800 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3801 chapters_input_file);
3805 if (chapters_input_file >= 0)
3806 copy_chapters(chapters_input_file, nb_output_files - 1);
3809 for (i = 0; i < nb_meta_data_maps; i++) {
3810 AVFormatContext *files[2];
3811 AVDictionary **meta[2];
3814 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3815 if ((index) < 0 || (index) >= (nb_elems)) {\
3816 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3821 int in_file_index = meta_data_maps[i][1].file;
3822 if (in_file_index < 0)
3824 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3827 files[1] = input_files[in_file_index].ctx;
3829 for (j = 0; j < 2; j++) {
3830 MetadataMap *map = &meta_data_maps[i][j];
3832 switch (map->type) {
3834 meta[j] = &files[j]->metadata;
3837 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3838 meta[j] = &files[j]->streams[map->index]->metadata;
3841 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3842 meta[j] = &files[j]->chapters[map->index]->metadata;
3845 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3846 meta[j] = &files[j]->programs[map->index]->metadata;
3851 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3854 /* copy global metadata by default */
3855 if (metadata_global_autocopy && nb_input_files)
3856 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3857 AV_DICT_DONT_OVERWRITE);
3858 if (metadata_streams_autocopy)
3859 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3860 InputStream *ist = &input_streams[output_streams[i].source_index];
3861 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3864 frame_rate = (AVRational){0, 0};
3867 audio_sample_rate = 0;
3869 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3870 chapters_input_file = INT_MAX;
3871 recording_time = INT64_MAX;
3873 limit_filesize = UINT64_MAX;
3875 av_freep(&meta_data_maps);
3876 nb_meta_data_maps = 0;
3877 metadata_global_autocopy = 1;
3878 metadata_streams_autocopy = 1;
3879 metadata_chapters_autocopy = 1;
3880 av_freep(&stream_maps);
3882 av_freep(&streamid_map);
3883 nb_streamid_map = 0;
3885 av_dict_free(&codec_names);
3887 av_freep(&forced_key_frames);
3893 /* same option as mencoder */
3894 static int opt_pass(const char *opt, const char *arg)
3896 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3900 static int64_t getutime(void)
3903 struct rusage rusage;
3905 getrusage(RUSAGE_SELF, &rusage);
3906 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3907 #elif HAVE_GETPROCESSTIMES
3909 FILETIME c, e, k, u;
3910 proc = GetCurrentProcess();
3911 GetProcessTimes(proc, &c, &e, &k, &u);
3912 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3914 return av_gettime();
3918 static int64_t getmaxrss(void)
3920 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3921 struct rusage rusage;
3922 getrusage(RUSAGE_SELF, &rusage);
3923 return (int64_t)rusage.ru_maxrss * 1024;
3924 #elif HAVE_GETPROCESSMEMORYINFO
3926 PROCESS_MEMORY_COUNTERS memcounters;
3927 proc = GetCurrentProcess();
3928 memcounters.cb = sizeof(memcounters);
3929 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3930 return memcounters.PeakPagefileUsage;
3936 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3939 const char *p = str;
3946 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3953 static int opt_inter_matrix(const char *opt, const char *arg)
3955 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3956 parse_matrix_coeffs(inter_matrix, arg);
3960 static int opt_intra_matrix(const char *opt, const char *arg)
3962 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3963 parse_matrix_coeffs(intra_matrix, arg);
3967 static void show_usage(void)
3969 printf("Hyper fast Audio and Video encoder\n");
3970 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3974 static int opt_help(const char *opt, const char *arg)
3977 AVOutputFormat *oformat = NULL;
3978 AVInputFormat *iformat = NULL;
3980 av_log_set_callback(log_callback_help);
3982 show_help_options(options, "Main options:\n",
3983 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3984 show_help_options(options, "\nAdvanced options:\n",
3985 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3987 show_help_options(options, "\nVideo options:\n",
3988 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3990 show_help_options(options, "\nAdvanced Video options:\n",
3991 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3992 OPT_VIDEO | OPT_EXPERT);
3993 show_help_options(options, "\nAudio options:\n",
3994 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3996 show_help_options(options, "\nAdvanced Audio options:\n",
3997 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3998 OPT_AUDIO | OPT_EXPERT);
3999 show_help_options(options, "\nSubtitle options:\n",
4000 OPT_SUBTITLE | OPT_GRAB,
4002 show_help_options(options, "\nAudio/Video grab options:\n",
4006 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4009 /* individual codec options */
4011 while ((c = av_codec_next(c))) {
4012 if (c->priv_class) {
4013 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4018 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4021 /* individual muxer options */
4022 while ((oformat = av_oformat_next(oformat))) {
4023 if (oformat->priv_class) {
4024 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4029 /* individual demuxer options */
4030 while ((iformat = av_iformat_next(iformat))) {
4031 if (iformat->priv_class) {
4032 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4037 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4041 static int opt_target(const char *opt, const char *arg)
4043 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4044 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4046 if(!strncmp(arg, "pal-", 4)) {
4049 } else if(!strncmp(arg, "ntsc-", 5)) {
4052 } else if(!strncmp(arg, "film-", 5)) {
4057 /* Calculate FR via float to avoid int overflow */
4058 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4061 } else if((fr == 29970) || (fr == 23976)) {
4064 /* Try to determine PAL/NTSC by peeking in the input files */
4065 if(nb_input_files) {
4067 for (j = 0; j < nb_input_files; j++) {
4068 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4069 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4070 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4072 fr = c->time_base.den * 1000 / c->time_base.num;
4076 } else if((fr == 29970) || (fr == 23976)) {
4086 if(verbose > 0 && norm != UNKNOWN)
4087 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4090 if(norm == UNKNOWN) {
4091 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4092 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4093 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4097 if(!strcmp(arg, "vcd")) {
4098 opt_codec("c:v", "mpeg1video");
4099 opt_codec("c:a", "mp2");
4100 opt_format("f", "vcd");
4102 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4103 opt_frame_rate("r", frame_rates[norm]);
4104 opt_default("g", norm == PAL ? "15" : "18");
4106 opt_default("b", "1150000");
4107 opt_default("maxrate", "1150000");
4108 opt_default("minrate", "1150000");
4109 opt_default("bufsize", "327680"); // 40*1024*8;
4111 opt_default("b:a", "224000");
4112 audio_sample_rate = 44100;
4115 opt_default("packetsize", "2324");
4116 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4118 /* We have to offset the PTS, so that it is consistent with the SCR.
4119 SCR starts at 36000, but the first two packs contain only padding
4120 and the first pack from the other stream, respectively, may also have
4121 been written before.
4122 So the real data starts at SCR 36000+3*1200. */
4123 mux_preload= (36000+3*1200) / 90000.0; //0.44
4124 } else if(!strcmp(arg, "svcd")) {
4126 opt_codec("c:v", "mpeg2video");
4127 opt_codec("c:a", "mp2");
4128 opt_format("f", "svcd");
4130 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4131 opt_frame_rate("r", frame_rates[norm]);
4132 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4133 opt_default("g", norm == PAL ? "15" : "18");
4135 opt_default("b", "2040000");
4136 opt_default("maxrate", "2516000");
4137 opt_default("minrate", "0"); //1145000;
4138 opt_default("bufsize", "1835008"); //224*1024*8;
4139 opt_default("flags", "+scan_offset");
4142 opt_default("b:a", "224000");
4143 audio_sample_rate = 44100;
4145 opt_default("packetsize", "2324");
4147 } else if(!strcmp(arg, "dvd")) {
4149 opt_codec("c:v", "mpeg2video");
4150 opt_codec("c:a", "ac3");
4151 opt_format("f", "dvd");
4153 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4154 opt_frame_rate("r", frame_rates[norm]);
4155 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4156 opt_default("g", norm == PAL ? "15" : "18");
4158 opt_default("b", "6000000");
4159 opt_default("maxrate", "9000000");
4160 opt_default("minrate", "0"); //1500000;
4161 opt_default("bufsize", "1835008"); //224*1024*8;
4163 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4164 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4166 opt_default("b:a", "448000");
4167 audio_sample_rate = 48000;
4169 } else if(!strncmp(arg, "dv", 2)) {
4171 opt_format("f", "dv");
4173 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4174 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4175 norm == PAL ? "yuv420p" : "yuv411p");
4176 opt_frame_rate("r", frame_rates[norm]);
4178 audio_sample_rate = 48000;
4182 fprintf(stderr, "Unknown target: %s\n", arg);
4183 return AVERROR(EINVAL);
4188 static int opt_vstats_file(const char *opt, const char *arg)
4190 av_free (vstats_filename);
4191 vstats_filename=av_strdup (arg);
4195 static int opt_vstats(const char *opt, const char *arg)
4198 time_t today2 = time(NULL);
4199 struct tm *today = localtime(&today2);
4201 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4203 return opt_vstats_file(opt, filename);
4206 static int opt_bsf(const char *opt, const char *arg)
4208 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4209 AVBitStreamFilterContext **bsfp;
4212 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4216 bsfp= *opt == 'v' ? &video_bitstream_filters :
4217 *opt == 'a' ? &audio_bitstream_filters :
4218 &subtitle_bitstream_filters;
4220 bsfp= &(*bsfp)->next;
4227 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4231 static int opt_passlogfile(const char *opt, const char *arg)
4233 pass_logfilename_prefix = arg;
4234 #if CONFIG_LIBX264_ENCODER
4235 return opt_default("passlogfile", arg);
4241 static const OptionDef options[] = {
4243 #include "cmdutils_common_opts.h"
4244 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4245 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4246 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4247 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4248 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4249 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4250 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4251 "outfile[,metadata]:infile[,metadata]" },
4252 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4253 "outfile[,metadata]:infile[,metadata]" },
4254 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4255 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4256 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4257 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4258 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4259 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4260 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4261 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4262 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4263 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4264 "add timings for benchmarking" },
4265 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4266 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4267 "dump each input packet" },
4268 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4269 "when dumping packets, also dump the payload" },
4270 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4271 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4272 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4273 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4274 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4275 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4276 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4277 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4278 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4279 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4280 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4281 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4282 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4283 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4284 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4285 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4288 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4289 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4290 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4291 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4292 { "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" },
4293 { "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" },
4294 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4295 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4296 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4297 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4298 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4299 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4300 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4301 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4302 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4303 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4304 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4305 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4306 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4307 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4308 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4309 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4310 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4311 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4312 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4313 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4314 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4315 "deinterlace pictures" },
4316 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4317 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4318 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4320 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4322 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4323 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4324 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4325 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4326 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4327 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4328 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4329 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4330 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4331 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4334 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4335 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4336 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4337 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4338 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4339 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4340 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4341 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4342 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4343 { "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" },
4345 /* subtitle options */
4346 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4347 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4348 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4349 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4352 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4353 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4354 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4357 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4358 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4360 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4361 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4362 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4364 /* data codec support */
4365 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4367 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4371 int main(int argc, char **argv)
4375 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4377 if(argc>1 && !strcmp(argv[1], "-d")){
4380 av_log_set_callback(log_callback_null);
4385 avcodec_register_all();
4387 avdevice_register_all();
4390 avfilter_register_all();
4395 if(isatty(STDIN_FILENO))
4396 avio_set_interrupt_cb(decode_interrupt_cb);
4405 parse_options(argc, argv, options, opt_output_file);
4407 if(nb_output_files <= 0 && nb_input_files == 0) {
4409 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4413 /* file converter / grab */
4414 if (nb_output_files <= 0) {
4415 fprintf(stderr, "At least one output file must be specified\n");
4419 if (nb_input_files == 0) {
4420 fprintf(stderr, "At least one input file must be specified\n");
4425 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4427 ti = getutime() - ti;
4429 int maxrss = getmaxrss() / 1024;
4430 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4433 return exit_program(0);