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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
81 int sync_stream_index;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
90 static const OptionDef options[];
94 static AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish=1.0;
135 static float video_rc_qmod_amp=0;
136 static int video_rc_qmod_freq=0;
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int do_deinterlace = 0;
145 static int top_field_first = -1;
146 static int me_threshold = 0;
147 static int intra_dc_precision = 8;
148 static int loop_input = 0;
149 static int loop_output = AVFMT_NOOUTPUTLOOP;
150 static int qp_hist = 0;
152 static int intra_only = 0;
153 static int audio_sample_rate = 44100;
154 static int64_t channel_layout = 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale = QSCALE_NONE;
157 static int audio_disable = 0;
158 static int audio_channels = 1;
159 static char *audio_codec_name = NULL;
160 static int audio_codec_tag = 0;
161 static char *audio_language = NULL;
163 static int subtitle_disable = 0;
164 static char *subtitle_codec_name = NULL;
165 static char *subtitle_language = NULL;
166 static int subtitle_codec_tag = 0;
168 static float mux_preload= 0.5;
169 static float mux_max_delay= 0.7;
171 static int64_t recording_time = INT64_MAX;
172 static int64_t start_time = 0;
173 static int64_t rec_timestamp = 0;
174 static int64_t input_ts_offset = 0;
175 static int file_overwrite = 0;
176 static int metadata_count;
177 static AVMetadataTag *metadata;
178 static int do_benchmark = 0;
179 static int do_hex_dump = 0;
180 static int do_pkt_dump = 0;
181 static int do_psnr = 0;
182 static int do_pass = 0;
183 static char *pass_logfilename_prefix = NULL;
184 static int audio_stream_copy = 0;
185 static int video_stream_copy = 0;
186 static int subtitle_stream_copy = 0;
187 static int video_sync_method= -1;
188 static int audio_sync_method= 0;
189 static float audio_drift_threshold= 0.1;
190 static int copy_ts= 0;
191 static int opt_shortest = 0;
192 static int video_global_header = 0;
193 static char *vstats_filename;
194 static FILE *vstats_file;
195 static int opt_programid = 0;
196 static int copy_initial_nonkeyframes = 0;
198 static int rate_emu = 0;
200 static int video_channel = 0;
201 static char *video_standard;
203 static int audio_volume = 256;
205 static int exit_on_error = 0;
206 static int using_stdin = 0;
207 static int verbose = 1;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = 0;
217 static int force_fps = 0;
219 static int pgmyuv_compatibility_hack=0;
220 static float dts_delta_threshold = 10;
222 static unsigned int sws_flags = SWS_BICUBIC;
224 static int64_t timer_start;
226 static uint8_t *audio_buf;
227 static uint8_t *audio_out;
228 static uint8_t *audio_out2;
230 static short *samples;
232 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
235 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
237 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
239 struct AVInputStream;
241 typedef struct AVOutputStream {
242 int file_index; /* file index */
243 int index; /* stream index in the output file */
244 int source_index; /* AVInputStream index */
245 AVStream *st; /* stream in the output file */
246 int encoding_needed; /* true if encoding needed for this stream */
248 /* input pts and corresponding output pts
250 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
251 struct AVInputStream *sync_ist; /* input stream to sync against */
252 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
255 AVFrame pict_tmp; /* temporary image for resampling */
256 struct SwsContext *img_resample_ctx; /* for image resampling */
260 int topBand; /* cropping area sizes */
264 int padtop; /* padding area sizes */
271 ReSampleContext *resample; /* for audio resampling */
273 AVAudioConvert *reformat_ctx;
274 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
278 typedef struct AVInputStream {
282 int discard; /* true if stream data should be discarded */
283 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
284 int64_t sample_index; /* current sample */
286 int64_t start; /* time when read started */
287 int64_t next_pts; /* synthetic pts for cases where pkt.pts
289 int64_t pts; /* current pts */
290 int is_start; /* is 1 at the start and after a discontinuity */
293 typedef struct AVInputFile {
294 int eof_reached; /* true if eof reached */
295 int ist_index; /* index of first stream in ist_table */
296 int buffer_size; /* current total buffer size */
297 int nb_streams; /* nb streams we are aware of */
302 /* init terminal so that we can grab keys */
303 static struct termios oldtty;
306 static void term_exit(void)
309 tcsetattr (0, TCSANOW, &oldtty);
313 static volatile sig_atomic_t received_sigterm = 0;
316 sigterm_handler(int sig)
318 received_sigterm = sig;
322 static void term_init(void)
330 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
331 |INLCR|IGNCR|ICRNL|IXON);
332 tty.c_oflag |= OPOST;
333 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
334 tty.c_cflag &= ~(CSIZE|PARENB);
339 tcsetattr (0, TCSANOW, &tty);
340 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
343 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
344 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
346 register a function to be called at normal program termination
349 #if CONFIG_BEOS_NETSERVER
350 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
354 /* read a key without blocking */
355 static int read_key(void)
360 #if !CONFIG_BEOS_NETSERVER
368 n = select(1, &rfds, NULL, NULL, &tv);
384 static int decode_interrupt_cb(void)
386 return q_pressed || (q_pressed = read_key() == 'q');
389 static int av_exit(int ret)
394 for(i=0;i<nb_output_files;i++) {
395 /* maybe av_close_output_file ??? */
396 AVFormatContext *s = output_files[i];
398 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
400 for(j=0;j<s->nb_streams;j++) {
401 av_metadata_free(&s->streams[j]->metadata);
402 av_free(s->streams[j]->codec);
403 av_free(s->streams[j]);
405 for(j=0;j<s->nb_programs;j++) {
406 av_metadata_free(&s->programs[j]->metadata);
408 for(j=0;j<s->nb_chapters;j++) {
409 av_metadata_free(&s->chapters[j]->metadata);
411 av_metadata_free(&s->metadata);
414 for(i=0;i<nb_input_files;i++)
415 av_close_input_file(input_files[i]);
417 av_free(intra_matrix);
418 av_free(inter_matrix);
422 av_free(vstats_filename);
426 av_free(video_codec_name);
427 av_free(audio_codec_name);
428 av_free(subtitle_codec_name);
430 av_free(video_standard);
432 #if CONFIG_POWERPC_PERF
433 void powerpc_display_perf_report(void);
434 powerpc_display_perf_report();
435 #endif /* CONFIG_POWERPC_PERF */
437 for (i=0;i<CODEC_TYPE_NB;i++)
438 av_free(avcodec_opts[i]);
439 av_free(avformat_opts);
446 if (received_sigterm) {
448 "Received signal %d: terminating.\n",
449 (int) received_sigterm);
453 exit(ret); /* not all OS-es handle main() return value */
457 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
463 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
466 /* copy stream format */
467 s->nb_streams = ic->nb_streams;
468 for(i=0;i<ic->nb_streams;i++) {
471 // FIXME: a more elegant solution is needed
472 st = av_mallocz(sizeof(AVStream));
473 memcpy(st, ic->streams[i], sizeof(AVStream));
474 st->codec = avcodec_alloc_context();
475 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
478 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
480 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
483 if(!st->codec->thread_count)
484 st->codec->thread_count = 1;
485 if(st->codec->thread_count>1)
486 avcodec_thread_init(st->codec, st->codec->thread_count);
488 if(st->codec->flags & CODEC_FLAG_BITEXACT)
493 s->timestamp = av_gettime();
495 av_close_input_file(ic);
500 get_sync_ipts(const AVOutputStream *ost)
502 const AVInputStream *ist = ost->sync_ist;
503 return (double)(ist->pts - start_time)/AV_TIME_BASE;
506 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
510 AVPacket new_pkt= *pkt;
511 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
512 &new_pkt.data, &new_pkt.size,
513 pkt->data, pkt->size,
514 pkt->flags & PKT_FLAG_KEY);
517 new_pkt.destruct= av_destruct_packet;
519 fprintf(stderr, "%s failed for stream %d, codec %s",
520 bsfc->filter->name, pkt->stream_index,
521 avctx->codec ? avctx->codec->name : "copy");
531 ret= av_interleaved_write_frame(s, pkt);
533 print_error("av_interleaved_write_frame()", ret);
538 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
540 static void do_audio_out(AVFormatContext *s,
543 unsigned char *buf, int size)
546 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
548 int size_out, frame_bytes, ret;
549 AVCodecContext *enc= ost->st->codec;
550 AVCodecContext *dec= ist->st->codec;
551 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
552 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
554 /* SC: dynamic allocation of buffers */
556 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
558 audio_out = av_malloc(audio_out_size);
559 if (!audio_buf || !audio_out)
560 return; /* Should signal an error ! */
562 if (enc->channels != dec->channels)
563 ost->audio_resample = 1;
565 if (ost->audio_resample && !ost->resample) {
566 if (dec->sample_fmt != SAMPLE_FMT_S16)
567 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
568 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
569 enc->sample_rate, dec->sample_rate,
570 enc->sample_fmt, dec->sample_fmt,
572 if (!ost->resample) {
573 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
574 dec->channels, dec->sample_rate,
575 enc->channels, enc->sample_rate);
580 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
581 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
582 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
584 audio_out2 = av_malloc(audio_out_size);
587 if (ost->reformat_ctx)
588 av_audio_convert_free(ost->reformat_ctx);
589 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
590 dec->sample_fmt, 1, NULL, 0);
591 if (!ost->reformat_ctx) {
592 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
593 avcodec_get_sample_fmt_name(dec->sample_fmt),
594 avcodec_get_sample_fmt_name(enc->sample_fmt));
597 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
600 if(audio_sync_method){
601 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
602 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
603 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
604 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
606 //FIXME resample delay
607 if(fabs(delta) > 50){
608 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
610 byte_delta= FFMAX(byte_delta, -size);
614 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
619 static uint8_t *input_tmp= NULL;
620 input_tmp= av_realloc(input_tmp, byte_delta + size);
622 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
625 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
627 memset(input_tmp, 0, byte_delta);
628 memcpy(input_tmp + byte_delta, buf, size);
632 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
634 }else if(audio_sync_method>1){
635 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
636 assert(ost->audio_resample);
638 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
639 // 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));
640 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
644 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
645 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
647 if (ost->audio_resample) {
649 size_out = audio_resample(ost->resample,
650 (short *)buftmp, (short *)buf,
651 size / (ist->st->codec->channels * isize));
652 size_out = size_out * enc->channels * osize;
658 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
659 const void *ibuf[6]= {buftmp};
660 void *obuf[6]= {audio_out2};
661 int istride[6]= {isize};
662 int ostride[6]= {osize};
663 int len= size_out/istride[0];
664 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
665 printf("av_audio_convert() failed\n");
671 size_out = len*osize;
674 /* now encode as many frames as possible */
675 if (enc->frame_size > 1) {
676 /* output resampled raw samples */
677 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
678 fprintf(stderr, "av_fifo_realloc2() failed\n");
681 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
683 frame_bytes = enc->frame_size * osize * enc->channels;
685 while (av_fifo_size(ost->fifo) >= frame_bytes) {
687 av_init_packet(&pkt);
689 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
691 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
693 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
696 fprintf(stderr, "Audio encoding failed\n");
700 pkt.stream_index= ost->index;
703 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
704 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
705 pkt.flags |= PKT_FLAG_KEY;
706 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
708 ost->sync_opts += enc->frame_size;
712 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
713 av_init_packet(&pkt);
715 ost->sync_opts += size_out / (osize * enc->channels);
717 /* output a pcm frame */
718 /* determine the size of the coded buffer */
721 size_out *= coded_bps;
723 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
724 ret = avcodec_encode_audio(enc, audio_out, size_out,
727 fprintf(stderr, "Audio encoding failed\n");
731 pkt.stream_index= ost->index;
734 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
735 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
736 pkt.flags |= PKT_FLAG_KEY;
737 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
741 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
745 AVPicture picture_tmp;
748 dec = ist->st->codec;
750 /* deinterlace : must be done before any resize */
751 if (do_deinterlace) {
754 /* create temporary picture */
755 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
756 buf = av_malloc(size);
760 picture2 = &picture_tmp;
761 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
764 if(avpicture_deinterlace(picture2, picture,
765 dec->pix_fmt, dec->width, dec->height) < 0) {
766 /* if error, do not deinterlace */
767 fprintf(stderr, "Deinterlacing failed\n");
773 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
779 if (picture != picture2)
780 *picture = *picture2;
784 /* we begin to correct av delay at this threshold */
785 #define AV_DELAY_MAX 0.100
787 static void do_subtitle_out(AVFormatContext *s,
793 static uint8_t *subtitle_out = NULL;
794 int subtitle_out_max_size = 65536;
795 int subtitle_out_size, nb, i;
799 if (pts == AV_NOPTS_VALUE) {
800 fprintf(stderr, "Subtitle packets must have a pts\n");
806 enc = ost->st->codec;
809 subtitle_out = av_malloc(subtitle_out_max_size);
812 /* Note: DVB subtitle need one packet to draw them and one other
813 packet to clear them */
814 /* XXX: signal it in the codec context ? */
815 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
820 for(i = 0; i < nb; i++) {
821 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
822 subtitle_out_max_size, sub);
824 av_init_packet(&pkt);
825 pkt.stream_index = ost->index;
826 pkt.data = subtitle_out;
827 pkt.size = subtitle_out_size;
828 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
829 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
830 /* XXX: the pts correction is handled here. Maybe handling
831 it in the codec would be better */
833 pkt.pts += 90 * sub->start_display_time;
835 pkt.pts += 90 * sub->end_display_time;
837 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
841 static int bit_buffer_size= 1024*256;
842 static uint8_t *bit_buffer= NULL;
844 static void do_video_out(AVFormatContext *s,
850 int nb_frames, i, ret;
851 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
852 AVFrame picture_crop_temp, picture_pad_temp;
853 AVCodecContext *enc, *dec;
855 avcodec_get_frame_defaults(&picture_crop_temp);
856 avcodec_get_frame_defaults(&picture_pad_temp);
858 enc = ost->st->codec;
859 dec = ist->st->codec;
861 /* by default, we output a single frame */
866 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
868 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
869 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
872 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
876 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
877 }else if (vdelta > 1.1)
878 nb_frames = lrintf(vdelta);
879 //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);
883 fprintf(stderr, "*** drop!\n");
884 }else if (nb_frames > 1) {
885 nb_frames_dup += nb_frames;
887 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
890 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
892 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
896 if (ost->video_crop) {
897 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
898 fprintf(stderr, "error cropping picture\n");
903 formatted_picture = &picture_crop_temp;
905 formatted_picture = in_picture;
908 final_picture = formatted_picture;
909 padding_src = formatted_picture;
910 resampling_dst = &ost->pict_tmp;
911 if (ost->video_pad) {
912 final_picture = &ost->pict_tmp;
913 if (ost->video_resample) {
914 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
915 fprintf(stderr, "error padding picture\n");
920 resampling_dst = &picture_pad_temp;
924 if (ost->video_resample) {
926 final_picture = &ost->pict_tmp;
927 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
928 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
931 if (ost->video_pad) {
932 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
933 enc->height, enc->width, enc->pix_fmt,
934 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
937 /* duplicates frame if needed */
938 for(i=0;i<nb_frames;i++) {
940 av_init_packet(&pkt);
941 pkt.stream_index= ost->index;
943 if (s->oformat->flags & AVFMT_RAWPICTURE) {
944 /* raw pictures are written as AVPicture structure to
945 avoid any copies. We support temorarily the older
947 AVFrame* old_frame = enc->coded_frame;
948 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
949 pkt.data= (uint8_t *)final_picture;
950 pkt.size= sizeof(AVPicture);
951 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
952 pkt.flags |= PKT_FLAG_KEY;
954 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
955 enc->coded_frame = old_frame;
959 big_picture= *final_picture;
960 /* better than nothing: use input picture interlaced
962 big_picture.interlaced_frame = in_picture->interlaced_frame;
963 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
964 if(top_field_first == -1)
965 big_picture.top_field_first = in_picture->top_field_first;
967 big_picture.top_field_first = top_field_first;
970 /* handles sameq here. This is not correct because it may
971 not be a global option */
973 big_picture.quality = ist->st->quality;
975 big_picture.quality = ost->st->quality;
977 big_picture.pict_type = 0;
978 // big_picture.pts = AV_NOPTS_VALUE;
979 big_picture.pts= ost->sync_opts;
980 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
981 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
982 ret = avcodec_encode_video(enc,
983 bit_buffer, bit_buffer_size,
986 fprintf(stderr, "Video encoding failed\n");
991 pkt.data= bit_buffer;
993 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
994 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
995 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
996 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
997 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
999 if(enc->coded_frame->key_frame)
1000 pkt.flags |= PKT_FLAG_KEY;
1001 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1004 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1005 // enc->frame_number-1, ret, enc->pict_type);
1006 /* if two pass, output log */
1007 if (ost->logfile && enc->stats_out) {
1008 fprintf(ost->logfile, "%s", enc->stats_out);
1013 ost->frame_number++;
1017 static double psnr(double d){
1018 return -10.0*log(d)/log(10.0);
1021 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1024 AVCodecContext *enc;
1026 double ti1, bitrate, avg_bitrate;
1028 /* this is executed just the first time do_video_stats is called */
1030 vstats_file = fopen(vstats_filename, "w");
1037 enc = ost->st->codec;
1038 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1039 frame_number = ost->frame_number;
1040 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1041 if (enc->flags&CODEC_FLAG_PSNR)
1042 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1044 fprintf(vstats_file,"f_size= %6d ", frame_size);
1045 /* compute pts value */
1046 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1050 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1051 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1052 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1053 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1054 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1058 static void print_report(AVFormatContext **output_files,
1059 AVOutputStream **ost_table, int nb_ostreams,
1063 AVOutputStream *ost;
1064 AVFormatContext *oc;
1066 AVCodecContext *enc;
1067 int frame_number, vid, i;
1068 double bitrate, ti1, pts;
1069 static int64_t last_time = -1;
1070 static int qp_histogram[52];
1072 if (!is_last_report) {
1074 /* display the report every 0.5 seconds */
1075 cur_time = av_gettime();
1076 if (last_time == -1) {
1077 last_time = cur_time;
1080 if ((cur_time - last_time) < 500000)
1082 last_time = cur_time;
1086 oc = output_files[0];
1088 total_size = url_fsize(oc->pb);
1089 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1090 total_size= url_ftell(oc->pb);
1095 for(i=0;i<nb_ostreams;i++) {
1097 enc = ost->st->codec;
1098 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1099 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1100 !ost->st->stream_copy ?
1101 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1103 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1104 float t = (av_gettime()-timer_start) / 1000000.0;
1106 frame_number = ost->frame_number;
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1108 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1109 !ost->st->stream_copy ?
1110 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1115 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1116 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1121 if (enc->flags&CODEC_FLAG_PSNR){
1123 double error, error_sum=0;
1124 double scale, scale_sum=0;
1125 char type[3]= {'Y','U','V'};
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1129 error= enc->error[j];
1130 scale= enc->width*enc->height*255.0*255.0*frame_number;
1132 error= enc->coded_frame->error[j];
1133 scale= enc->width*enc->height*255.0*255.0;
1138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1144 /* compute min output value */
1145 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1146 if ((pts < ti1) && (pts > 0))
1152 if (verbose || is_last_report) {
1153 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1156 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1157 (double)total_size / 1024, ti1, bitrate);
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1161 nb_frames_dup, nb_frames_drop);
1164 fprintf(stderr, "%s \r", buf);
1169 if (is_last_report && verbose >= 0){
1170 int64_t raw= audio_size + video_size + extra_size;
1171 fprintf(stderr, "\n");
1172 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1176 100.0*(total_size - raw)/raw
1181 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1182 static int output_packet(AVInputStream *ist, int ist_index,
1183 AVOutputStream **ost_table, int nb_ostreams,
1184 const AVPacket *pkt)
1186 AVFormatContext *os;
1187 AVOutputStream *ost;
1190 int data_size, got_picture;
1192 void *buffer_to_free;
1193 static unsigned int samples_size= 0;
1194 AVSubtitle subtitle, *subtitle_to_free;
1198 if(ist->next_pts == AV_NOPTS_VALUE)
1199 ist->next_pts= ist->pts;
1203 av_init_packet(&avpkt);
1211 if(pkt->dts != AV_NOPTS_VALUE)
1212 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1214 //while we have more to decode or while the decoder did output something on EOF
1215 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1217 ist->pts= ist->next_pts;
1219 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1220 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1222 /* decode the packet if needed */
1223 data_buf = NULL; /* fail safe */
1225 subtitle_to_free = NULL;
1226 if (ist->decoding_needed) {
1227 switch(ist->st->codec->codec_type) {
1228 case CODEC_TYPE_AUDIO:{
1229 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1230 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1232 samples= av_malloc(samples_size);
1234 data_size= samples_size;
1235 /* XXX: could avoid copy if PCM 16 bits with same
1236 endianness as CPU */
1237 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1243 /* Some bug in mpeg audio decoder gives */
1244 /* data_size < 0, it seems they are overflows */
1245 if (data_size <= 0) {
1246 /* no audio frame */
1249 data_buf = (uint8_t *)samples;
1250 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1251 (ist->st->codec->sample_rate * ist->st->codec->channels);
1253 case CODEC_TYPE_VIDEO:
1254 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1255 /* XXX: allocate picture correctly */
1256 avcodec_get_frame_defaults(&picture);
1258 ret = avcodec_decode_video2(ist->st->codec,
1259 &picture, &got_picture, &avpkt);
1260 ist->st->quality= picture.quality;
1264 /* no picture yet */
1265 goto discard_packet;
1267 if (ist->st->codec->time_base.num != 0) {
1268 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1269 ist->next_pts += ((int64_t)AV_TIME_BASE *
1270 ist->st->codec->time_base.num * ticks) /
1271 ist->st->codec->time_base.den;
1275 case CODEC_TYPE_SUBTITLE:
1276 ret = avcodec_decode_subtitle2(ist->st->codec,
1277 &subtitle, &got_subtitle, &avpkt);
1280 if (!got_subtitle) {
1281 goto discard_packet;
1283 subtitle_to_free = &subtitle;
1290 switch(ist->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1293 ist->st->codec->sample_rate;
1295 case CODEC_TYPE_VIDEO:
1296 if (ist->st->codec->time_base.num != 0) {
1297 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1298 ist->next_pts += ((int64_t)AV_TIME_BASE *
1299 ist->st->codec->time_base.num * ticks) /
1300 ist->st->codec->time_base.den;
1304 data_buf = avpkt.data;
1305 data_size = avpkt.size;
1310 buffer_to_free = NULL;
1311 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1312 pre_process_video_frame(ist, (AVPicture *)&picture,
1316 // preprocess audio (volume)
1317 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1318 if (audio_volume != 256) {
1321 for(i=0;i<(data_size / sizeof(short));i++) {
1322 int v = ((*volp) * audio_volume + 128) >> 8;
1323 if (v < -32768) v = -32768;
1324 if (v > 32767) v = 32767;
1330 /* frame rate emulation */
1332 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1333 int64_t now = av_gettime() - ist->start;
1338 /* if output time reached then transcode raw format,
1339 encode packets and output them */
1340 if (start_time == 0 || ist->pts >= start_time)
1341 for(i=0;i<nb_ostreams;i++) {
1345 if (ost->source_index == ist_index) {
1346 os = output_files[ost->file_index];
1349 printf("%d: got pts=%0.3f %0.3f\n", i,
1350 (double)pkt->pts / AV_TIME_BASE,
1351 ((double)ist->pts / AV_TIME_BASE) -
1352 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1354 /* set the input output pts pairs */
1355 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1357 if (ost->encoding_needed) {
1358 switch(ost->st->codec->codec_type) {
1359 case CODEC_TYPE_AUDIO:
1360 do_audio_out(os, ost, ist, data_buf, data_size);
1362 case CODEC_TYPE_VIDEO:
1363 do_video_out(os, ost, ist, &picture, &frame_size);
1364 if (vstats_filename && frame_size)
1365 do_video_stats(os, ost, frame_size);
1367 case CODEC_TYPE_SUBTITLE:
1368 do_subtitle_out(os, ost, ist, &subtitle,
1375 AVFrame avframe; //FIXME/XXX remove this
1377 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1379 av_init_packet(&opkt);
1381 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1384 /* no reencoding needed : output the packet directly */
1385 /* force the input stream PTS */
1387 avcodec_get_frame_defaults(&avframe);
1388 ost->st->codec->coded_frame= &avframe;
1389 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1391 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1392 audio_size += data_size;
1393 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1394 video_size += data_size;
1398 opkt.stream_index= ost->index;
1399 if(pkt->pts != AV_NOPTS_VALUE)
1400 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1402 opkt.pts= AV_NOPTS_VALUE;
1404 if (pkt->dts == AV_NOPTS_VALUE)
1405 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1407 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1408 opkt.dts -= ost_tb_start_time;
1410 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1411 opkt.flags= pkt->flags;
1413 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1414 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1415 opkt.destruct= av_destruct_packet;
1417 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1418 ost->st->codec->frame_number++;
1419 ost->frame_number++;
1420 av_free_packet(&opkt);
1424 av_free(buffer_to_free);
1425 /* XXX: allocate the subtitles in the codec ? */
1426 if (subtitle_to_free) {
1427 if (subtitle_to_free->rects != NULL) {
1428 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1429 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1430 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1431 av_freep(&subtitle_to_free->rects[i]);
1433 av_freep(&subtitle_to_free->rects);
1435 subtitle_to_free->num_rects = 0;
1436 subtitle_to_free = NULL;
1443 for(i=0;i<nb_ostreams;i++) {
1445 if (ost->source_index == ist_index) {
1446 AVCodecContext *enc= ost->st->codec;
1447 os = output_files[ost->file_index];
1449 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1451 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1454 if (ost->encoding_needed) {
1458 av_init_packet(&pkt);
1459 pkt.stream_index= ost->index;
1461 switch(ost->st->codec->codec_type) {
1462 case CODEC_TYPE_AUDIO:
1463 fifo_bytes = av_fifo_size(ost->fifo);
1465 /* encode any samples remaining in fifo */
1466 if (fifo_bytes > 0) {
1467 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1468 int fs_tmp = enc->frame_size;
1470 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1471 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1472 enc->frame_size = fifo_bytes / (osize * enc->channels);
1474 int frame_bytes = enc->frame_size*osize*enc->channels;
1475 if (samples_size < frame_bytes)
1477 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1480 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1481 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1482 ost->st->time_base.num, enc->sample_rate);
1483 enc->frame_size = fs_tmp;
1486 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1489 fprintf(stderr, "Audio encoding failed\n");
1493 pkt.flags |= PKT_FLAG_KEY;
1495 case CODEC_TYPE_VIDEO:
1496 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1498 fprintf(stderr, "Video encoding failed\n");
1502 if(enc->coded_frame && enc->coded_frame->key_frame)
1503 pkt.flags |= PKT_FLAG_KEY;
1504 if (ost->logfile && enc->stats_out) {
1505 fprintf(ost->logfile, "%s", enc->stats_out);
1514 pkt.data= bit_buffer;
1516 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1517 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1518 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1530 static void print_sdp(AVFormatContext **avc, int n)
1534 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1535 printf("SDP:\n%s\n", sdp);
1539 static int stream_index_from_inputs(AVFormatContext **input_files,
1541 AVInputFile *file_table,
1542 AVInputStream **ist_table,
1543 enum CodecType type,
1547 for(z=0; z<nb_input_files; z++) {
1548 AVFormatContext *ic = input_files[z];
1549 for(p=0; p<ic->nb_programs; p++) {
1550 AVProgram *program = ic->programs[p];
1551 if(program->id != programid)
1553 for(q=0; q<program->nb_stream_indexes; q++) {
1554 int sidx = program->stream_index[q];
1555 int ris = file_table[z].ist_index + sidx;
1556 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1566 * The following code is the main loop of the file converter
1568 static int av_encode(AVFormatContext **output_files,
1569 int nb_output_files,
1570 AVFormatContext **input_files,
1572 AVStreamMap *stream_maps, int nb_stream_maps)
1574 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1575 AVFormatContext *is, *os;
1576 AVCodecContext *codec, *icodec;
1577 AVOutputStream *ost, **ost_table = NULL;
1578 AVInputStream *ist, **ist_table = NULL;
1579 AVInputFile *file_table;
1583 uint8_t no_packet[MAX_FILES]={0};
1584 int no_packet_count=0;
1586 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1590 /* input stream init */
1592 for(i=0;i<nb_input_files;i++) {
1593 is = input_files[i];
1594 file_table[i].ist_index = j;
1595 file_table[i].nb_streams = is->nb_streams;
1596 j += is->nb_streams;
1600 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1604 for(i=0;i<nb_istreams;i++) {
1605 ist = av_mallocz(sizeof(AVInputStream));
1611 for(i=0;i<nb_input_files;i++) {
1612 is = input_files[i];
1613 for(k=0;k<is->nb_streams;k++) {
1614 ist = ist_table[j++];
1615 ist->st = is->streams[k];
1616 ist->file_index = i;
1618 ist->discard = 1; /* the stream is discarded by default
1622 ist->start = av_gettime();
1627 /* output stream init */
1629 for(i=0;i<nb_output_files;i++) {
1630 os = output_files[i];
1631 if (!os->nb_streams) {
1632 dump_format(output_files[i], i, output_files[i]->filename, 1);
1633 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1636 nb_ostreams += os->nb_streams;
1638 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1639 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1643 /* Sanity check the mapping args -- do the input files & streams exist? */
1644 for(i=0;i<nb_stream_maps;i++) {
1645 int fi = stream_maps[i].file_index;
1646 int si = stream_maps[i].stream_index;
1648 if (fi < 0 || fi > nb_input_files - 1 ||
1649 si < 0 || si > file_table[fi].nb_streams - 1) {
1650 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1653 fi = stream_maps[i].sync_file_index;
1654 si = stream_maps[i].sync_stream_index;
1655 if (fi < 0 || fi > nb_input_files - 1 ||
1656 si < 0 || si > file_table[fi].nb_streams - 1) {
1657 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1662 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1665 for(i=0;i<nb_ostreams;i++) {
1666 ost = av_mallocz(sizeof(AVOutputStream));
1673 for(k=0;k<nb_output_files;k++) {
1674 os = output_files[k];
1675 for(i=0;i<os->nb_streams;i++,n++) {
1678 ost->file_index = k;
1680 ost->st = os->streams[i];
1681 if (nb_stream_maps > 0) {
1682 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1683 stream_maps[n].stream_index;
1685 /* Sanity check that the stream types match */
1686 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1687 int i= ost->file_index;
1688 dump_format(output_files[i], i, output_files[i]->filename, 1);
1689 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1690 stream_maps[n].file_index, stream_maps[n].stream_index,
1691 ost->file_index, ost->index);
1698 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1700 ost->source_index = j;
1704 /* get corresponding input stream index : we select the first one with the right type */
1706 for(j=0;j<nb_istreams;j++) {
1709 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1710 ost->source_index = j;
1718 if(! opt_programid) {
1719 /* try again and reuse existing stream */
1720 for(j=0;j<nb_istreams;j++) {
1722 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1723 ost->source_index = j;
1729 int i= ost->file_index;
1730 dump_format(output_files[i], i, output_files[i]->filename, 1);
1731 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1732 ost->file_index, ost->index);
1737 ist = ist_table[ost->source_index];
1739 ost->sync_ist = (nb_stream_maps > 0) ?
1740 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1741 stream_maps[n].sync_stream_index] : ist;
1745 /* for each output stream, we compute the right encoding parameters */
1746 for(i=0;i<nb_ostreams;i++) {
1747 AVMetadataTag *lang;
1749 os = output_files[ost->file_index];
1750 ist = ist_table[ost->source_index];
1752 codec = ost->st->codec;
1753 icodec = ist->st->codec;
1755 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1756 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1757 av_metadata_set(&ost->st->metadata, "language", lang->value);
1759 ost->st->disposition = ist->st->disposition;
1760 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1761 codec->chroma_sample_location = icodec->chroma_sample_location;
1763 if (ost->st->stream_copy) {
1764 /* if stream_copy is selected, no need to decode or encode */
1765 codec->codec_id = icodec->codec_id;
1766 codec->codec_type = icodec->codec_type;
1768 if(!codec->codec_tag){
1769 if( !os->oformat->codec_tag
1770 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1771 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1772 codec->codec_tag = icodec->codec_tag;
1775 codec->bit_rate = icodec->bit_rate;
1776 codec->extradata= icodec->extradata;
1777 codec->extradata_size= icodec->extradata_size;
1778 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1779 codec->time_base = icodec->time_base;
1780 codec->time_base.num *= icodec->ticks_per_frame;
1782 codec->time_base = ist->st->time_base;
1783 switch(codec->codec_type) {
1784 case CODEC_TYPE_AUDIO:
1785 if(audio_volume != 256) {
1786 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1789 codec->channel_layout = icodec->channel_layout;
1790 codec->sample_rate = icodec->sample_rate;
1791 codec->channels = icodec->channels;
1792 codec->frame_size = icodec->frame_size;
1793 codec->block_align= icodec->block_align;
1794 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1795 codec->block_align= 0;
1796 if(codec->codec_id == CODEC_ID_AC3)
1797 codec->block_align= 0;
1799 case CODEC_TYPE_VIDEO:
1800 codec->pix_fmt = icodec->pix_fmt;
1801 codec->width = icodec->width;
1802 codec->height = icodec->height;
1803 codec->has_b_frames = icodec->has_b_frames;
1805 case CODEC_TYPE_SUBTITLE:
1806 codec->width = icodec->width;
1807 codec->height = icodec->height;
1813 switch(codec->codec_type) {
1814 case CODEC_TYPE_AUDIO:
1815 ost->fifo= av_fifo_alloc(1024);
1818 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1819 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1820 icodec->request_channels = codec->channels;
1821 ist->decoding_needed = 1;
1822 ost->encoding_needed = 1;
1824 case CODEC_TYPE_VIDEO:
1825 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1826 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1827 ost->video_resample = ((codec->width != icodec->width -
1828 (frame_leftBand + frame_rightBand) +
1829 (frame_padleft + frame_padright)) ||
1830 (codec->height != icodec->height -
1831 (frame_topBand + frame_bottomBand) +
1832 (frame_padtop + frame_padbottom)) ||
1833 (codec->pix_fmt != icodec->pix_fmt));
1834 if (ost->video_crop) {
1835 ost->topBand = frame_topBand;
1836 ost->leftBand = frame_leftBand;
1838 if (ost->video_pad) {
1839 ost->padtop = frame_padtop;
1840 ost->padleft = frame_padleft;
1841 ost->padbottom = frame_padbottom;
1842 ost->padright = frame_padright;
1843 if (!ost->video_resample) {
1844 avcodec_get_frame_defaults(&ost->pict_tmp);
1845 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1846 codec->width, codec->height))
1850 if (ost->video_resample) {
1851 avcodec_get_frame_defaults(&ost->pict_tmp);
1852 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1853 codec->width, codec->height)) {
1854 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1857 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1858 ost->img_resample_ctx = sws_getContext(
1859 icodec->width - (frame_leftBand + frame_rightBand),
1860 icodec->height - (frame_topBand + frame_bottomBand),
1862 codec->width - (frame_padleft + frame_padright),
1863 codec->height - (frame_padtop + frame_padbottom),
1865 sws_flags, NULL, NULL, NULL);
1866 if (ost->img_resample_ctx == NULL) {
1867 fprintf(stderr, "Cannot get resampling context\n");
1870 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1871 codec->bits_per_raw_sample= 0;
1873 ost->encoding_needed = 1;
1874 ist->decoding_needed = 1;
1876 case CODEC_TYPE_SUBTITLE:
1877 ost->encoding_needed = 1;
1878 ist->decoding_needed = 1;
1885 if (ost->encoding_needed &&
1886 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1887 char logfilename[1024];
1892 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1893 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1895 if (codec->flags & CODEC_FLAG_PASS1) {
1896 f = fopen(logfilename, "w");
1898 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1903 /* read the log file */
1904 f = fopen(logfilename, "r");
1906 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1909 fseek(f, 0, SEEK_END);
1911 fseek(f, 0, SEEK_SET);
1912 logbuffer = av_malloc(size + 1);
1914 fprintf(stderr, "Could not allocate log buffer\n");
1917 size = fread(logbuffer, 1, size, f);
1919 logbuffer[size] = '\0';
1920 codec->stats_in = logbuffer;
1924 if(codec->codec_type == CODEC_TYPE_VIDEO){
1925 int size= codec->width * codec->height;
1926 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1931 bit_buffer = av_malloc(bit_buffer_size);
1933 ret = AVERROR(ENOMEM);
1937 /* open each encoder */
1938 for(i=0;i<nb_ostreams;i++) {
1940 if (ost->encoding_needed) {
1941 AVCodec *codec = output_codecs[i];
1943 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1945 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1946 ost->file_index, ost->index);
1947 ret = AVERROR(EINVAL);
1950 if (avcodec_open(ost->st->codec, codec) < 0) {
1951 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1952 ost->file_index, ost->index);
1953 ret = AVERROR(EINVAL);
1956 extra_size += ost->st->codec->extradata_size;
1960 /* open each decoder */
1961 for(i=0;i<nb_istreams;i++) {
1963 if (ist->decoding_needed) {
1964 AVCodec *codec = input_codecs[i];
1966 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1968 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1969 ist->st->codec->codec_id, ist->file_index, ist->index);
1970 ret = AVERROR(EINVAL);
1973 if (avcodec_open(ist->st->codec, codec) < 0) {
1974 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1975 ist->file_index, ist->index);
1976 ret = AVERROR(EINVAL);
1979 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1980 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1985 for(i=0;i<nb_istreams;i++) {
1988 ist->next_pts = AV_NOPTS_VALUE;
1992 /* set meta data information from input file if required */
1993 for (i=0;i<nb_meta_data_maps;i++) {
1994 AVFormatContext *out_file;
1995 AVFormatContext *in_file;
1996 AVMetadataTag *mtag;
1998 int out_file_index = meta_data_maps[i].out_file;
1999 int in_file_index = meta_data_maps[i].in_file;
2000 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2001 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2002 out_file_index, out_file_index, in_file_index);
2003 ret = AVERROR(EINVAL);
2006 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2007 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2008 in_file_index, out_file_index, in_file_index);
2009 ret = AVERROR(EINVAL);
2013 out_file = output_files[out_file_index];
2014 in_file = input_files[in_file_index];
2018 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2019 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2020 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2021 in_file->iformat->metadata_conv);
2024 /* open files and write file headers */
2025 for(i=0;i<nb_output_files;i++) {
2026 os = output_files[i];
2027 if (av_write_header(os) < 0) {
2028 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2029 ret = AVERROR(EINVAL);
2032 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2038 /* dump the file output parameters - cannot be done before in case
2040 for(i=0;i<nb_output_files;i++) {
2041 dump_format(output_files[i], i, output_files[i]->filename, 1);
2044 /* dump the stream mapping */
2046 fprintf(stderr, "Stream mapping:\n");
2047 for(i=0;i<nb_ostreams;i++) {
2049 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2050 ist_table[ost->source_index]->file_index,
2051 ist_table[ost->source_index]->index,
2054 if (ost->sync_ist != ist_table[ost->source_index])
2055 fprintf(stderr, " [sync #%d.%d]",
2056 ost->sync_ist->file_index,
2057 ost->sync_ist->index);
2058 fprintf(stderr, "\n");
2063 fprintf(stderr, "%s\n", error);
2068 print_sdp(output_files, nb_output_files);
2071 if (!using_stdin && verbose >= 0) {
2072 fprintf(stderr, "Press [q] to stop encoding\n");
2073 url_set_interrupt_cb(decode_interrupt_cb);
2077 timer_start = av_gettime();
2079 for(; received_sigterm == 0;) {
2080 int file_index, ist_index;
2088 /* if 'q' pressed, exits */
2092 /* read_key() returns 0 on EOF */
2098 /* select the stream that we must read now by looking at the
2099 smallest output pts */
2101 for(i=0;i<nb_ostreams;i++) {
2104 os = output_files[ost->file_index];
2105 ist = ist_table[ost->source_index];
2106 if(no_packet[ist->file_index])
2108 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2109 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2111 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2112 ipts = (double)ist->pts;
2113 if (!file_table[ist->file_index].eof_reached){
2114 if(ipts < ipts_min) {
2116 if(input_sync ) file_index = ist->file_index;
2118 if(opts < opts_min) {
2120 if(!input_sync) file_index = ist->file_index;
2123 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2128 /* if none, if is finished */
2129 if (file_index < 0) {
2130 if(no_packet_count){
2132 memset(no_packet, 0, sizeof(no_packet));
2139 /* finish if recording time exhausted */
2140 if (opts_min >= (recording_time / 1000000.0))
2143 /* finish if limit size exhausted */
2144 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2147 /* read a frame from it and output it in the fifo */
2148 is = input_files[file_index];
2149 ret= av_read_frame(is, &pkt);
2150 if(ret == AVERROR(EAGAIN)){
2151 no_packet[file_index]=1;
2156 file_table[file_index].eof_reached = 1;
2164 memset(no_packet, 0, sizeof(no_packet));
2167 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2169 /* the following test is needed in case new streams appear
2170 dynamically in stream : we ignore them */
2171 if (pkt.stream_index >= file_table[file_index].nb_streams)
2172 goto discard_packet;
2173 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2174 ist = ist_table[ist_index];
2176 goto discard_packet;
2178 if (pkt.dts != AV_NOPTS_VALUE)
2179 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2180 if (pkt.pts != AV_NOPTS_VALUE)
2181 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2183 if(input_files_ts_scale[file_index][pkt.stream_index]){
2184 if(pkt.pts != AV_NOPTS_VALUE)
2185 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2186 if(pkt.dts != AV_NOPTS_VALUE)
2187 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2190 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2191 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2192 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2193 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2194 int64_t delta= pkt_dts - ist->next_pts;
2195 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2196 input_files_ts_offset[ist->file_index]-= delta;
2198 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2199 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2200 if(pkt.pts != AV_NOPTS_VALUE)
2201 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2205 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2206 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2209 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2210 ist->file_index, ist->index);
2213 av_free_packet(&pkt);
2218 av_free_packet(&pkt);
2220 /* dump report by using the output first video and audio streams */
2221 print_report(output_files, ost_table, nb_ostreams, 0);
2224 /* at the end of stream, we must flush the decoder buffers */
2225 for(i=0;i<nb_istreams;i++) {
2227 if (ist->decoding_needed) {
2228 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2234 /* write the trailer if needed and close file */
2235 for(i=0;i<nb_output_files;i++) {
2236 os = output_files[i];
2237 av_write_trailer(os);
2240 /* dump report by using the first video and audio streams */
2241 print_report(output_files, ost_table, nb_ostreams, 1);
2243 /* close each encoder */
2244 for(i=0;i<nb_ostreams;i++) {
2246 if (ost->encoding_needed) {
2247 av_freep(&ost->st->codec->stats_in);
2248 avcodec_close(ost->st->codec);
2252 /* close each decoder */
2253 for(i=0;i<nb_istreams;i++) {
2255 if (ist->decoding_needed) {
2256 avcodec_close(ist->st->codec);
2264 av_freep(&bit_buffer);
2265 av_free(file_table);
2268 for(i=0;i<nb_istreams;i++) {
2275 for(i=0;i<nb_ostreams;i++) {
2279 fclose(ost->logfile);
2280 ost->logfile = NULL;
2282 av_fifo_free(ost->fifo); /* works even if fifo is not
2283 initialized but set to zero */
2284 av_free(ost->pict_tmp.data[0]);
2285 if (ost->video_resample)
2286 sws_freeContext(ost->img_resample_ctx);
2288 audio_resample_close(ost->resample);
2289 if (ost->reformat_ctx)
2290 av_audio_convert_free(ost->reformat_ctx);
2300 int file_read(const char *filename)
2303 unsigned char buffer[1024];
2306 if (url_open(&h, filename, O_RDONLY) < 0) {
2307 printf("could not open '%s'\n", filename);
2311 len = url_read(h, buffer, sizeof(buffer));
2314 for(i=0;i<len;i++) putchar(buffer[i]);
2321 static void opt_format(const char *arg)
2323 /* compatibility stuff for pgmyuv */
2324 if (!strcmp(arg, "pgmyuv")) {
2325 pgmyuv_compatibility_hack=1;
2326 // opt_image_format(arg);
2328 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2331 file_iformat = av_find_input_format(arg);
2332 file_oformat = guess_format(arg, NULL, NULL);
2333 if (!file_iformat && !file_oformat) {
2334 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2339 static void opt_video_rc_override_string(const char *arg)
2341 video_rc_override_string = arg;
2344 static int opt_me_threshold(const char *opt, const char *arg)
2346 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2350 static int opt_loglevel(const char *opt, const char *arg)
2352 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2353 av_log_set_level(level);
2357 static int opt_verbose(const char *opt, const char *arg)
2359 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2363 static int opt_frame_rate(const char *opt, const char *arg)
2365 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2366 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2372 static int opt_bitrate(const char *opt, const char *arg)
2374 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2376 opt_default(opt, arg);
2378 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2379 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2384 static void opt_frame_crop_top(const char *arg)
2386 frame_topBand = atoi(arg);
2387 if (frame_topBand < 0) {
2388 fprintf(stderr, "Incorrect top crop size\n");
2391 if ((frame_topBand % 2) != 0) {
2392 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2395 if ((frame_topBand) >= frame_height){
2396 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2399 frame_height -= frame_topBand;
2402 static void opt_frame_crop_bottom(const char *arg)
2404 frame_bottomBand = atoi(arg);
2405 if (frame_bottomBand < 0) {
2406 fprintf(stderr, "Incorrect bottom crop size\n");
2409 if ((frame_bottomBand % 2) != 0) {
2410 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2413 if ((frame_bottomBand) >= frame_height){
2414 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2417 frame_height -= frame_bottomBand;
2420 static void opt_frame_crop_left(const char *arg)
2422 frame_leftBand = atoi(arg);
2423 if (frame_leftBand < 0) {
2424 fprintf(stderr, "Incorrect left crop size\n");
2427 if ((frame_leftBand % 2) != 0) {
2428 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2431 if ((frame_leftBand) >= frame_width){
2432 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2435 frame_width -= frame_leftBand;
2438 static void opt_frame_crop_right(const char *arg)
2440 frame_rightBand = atoi(arg);
2441 if (frame_rightBand < 0) {
2442 fprintf(stderr, "Incorrect right crop size\n");
2445 if ((frame_rightBand % 2) != 0) {
2446 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2449 if ((frame_rightBand) >= frame_width){
2450 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2453 frame_width -= frame_rightBand;
2456 static void opt_frame_size(const char *arg)
2458 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2459 fprintf(stderr, "Incorrect frame size\n");
2462 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2463 fprintf(stderr, "Frame size must be a multiple of 2\n");
2468 static void opt_pad_color(const char *arg) {
2469 /* Input is expected to be six hex digits similar to
2470 how colors are expressed in html tags (but without the #) */
2471 int rgb = strtol(arg, NULL, 16);
2475 g = ((rgb >> 8) & 255);
2478 padcolor[0] = RGB_TO_Y(r,g,b);
2479 padcolor[1] = RGB_TO_U(r,g,b,0);
2480 padcolor[2] = RGB_TO_V(r,g,b,0);
2483 static void opt_frame_pad_top(const char *arg)
2485 frame_padtop = atoi(arg);
2486 if (frame_padtop < 0) {
2487 fprintf(stderr, "Incorrect top pad size\n");
2490 if ((frame_padtop % 2) != 0) {
2491 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2496 static void opt_frame_pad_bottom(const char *arg)
2498 frame_padbottom = atoi(arg);
2499 if (frame_padbottom < 0) {
2500 fprintf(stderr, "Incorrect bottom pad size\n");
2503 if ((frame_padbottom % 2) != 0) {
2504 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2510 static void opt_frame_pad_left(const char *arg)
2512 frame_padleft = atoi(arg);
2513 if (frame_padleft < 0) {
2514 fprintf(stderr, "Incorrect left pad size\n");
2517 if ((frame_padleft % 2) != 0) {
2518 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2524 static void opt_frame_pad_right(const char *arg)
2526 frame_padright = atoi(arg);
2527 if (frame_padright < 0) {
2528 fprintf(stderr, "Incorrect right pad size\n");
2531 if ((frame_padright % 2) != 0) {
2532 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2537 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2541 for (i=-1; i < nb_fmts; i++) {
2542 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2543 fprintf(stdout, "%s\n", fmt_str);
2547 static void opt_frame_pix_fmt(const char *arg)
2549 if (strcmp(arg, "list")) {
2550 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2551 if (frame_pix_fmt == PIX_FMT_NONE) {
2552 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2556 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2561 static void opt_frame_aspect_ratio(const char *arg)
2568 p = strchr(arg, ':');
2570 x = strtol(arg, &end, 10);
2572 y = strtol(end+1, &end, 10);
2574 ar = (double)x / (double)y;
2576 ar = strtod(arg, NULL);
2579 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2582 frame_aspect_ratio = ar;
2585 static int opt_metadata(const char *opt, const char *arg)
2587 char *mid= strchr(arg, '=');
2590 fprintf(stderr, "Missing =\n");
2596 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2597 metadata[metadata_count-1].key = av_strdup(arg);
2598 metadata[metadata_count-1].value= av_strdup(mid);
2603 static void opt_qscale(const char *arg)
2605 video_qscale = atof(arg);
2606 if (video_qscale <= 0 ||
2607 video_qscale > 255) {
2608 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2613 static void opt_top_field_first(const char *arg)
2615 top_field_first= atoi(arg);
2618 static int opt_thread_count(const char *opt, const char *arg)
2620 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2623 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2628 static void opt_audio_sample_fmt(const char *arg)
2630 if (strcmp(arg, "list"))
2631 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2633 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2638 static int opt_audio_rate(const char *opt, const char *arg)
2640 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2644 static int opt_audio_channels(const char *opt, const char *arg)
2646 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2650 static void opt_video_channel(const char *arg)
2652 video_channel = strtol(arg, NULL, 0);
2655 static void opt_video_standard(const char *arg)
2657 video_standard = av_strdup(arg);
2660 static void opt_codec(int *pstream_copy, char **pcodec_name,
2661 int codec_type, const char *arg)
2663 av_freep(pcodec_name);
2664 if (!strcmp(arg, "copy")) {
2667 *pcodec_name = av_strdup(arg);
2671 static void opt_audio_codec(const char *arg)
2673 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2676 static void opt_audio_tag(const char *arg)
2679 audio_codec_tag= strtol(arg, &tail, 0);
2682 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2685 static void opt_video_tag(const char *arg)
2688 video_codec_tag= strtol(arg, &tail, 0);
2691 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2694 static void opt_video_codec(const char *arg)
2696 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2699 static void opt_subtitle_codec(const char *arg)
2701 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2704 static void opt_subtitle_tag(const char *arg)
2707 subtitle_codec_tag= strtol(arg, &tail, 0);
2710 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2713 static void opt_map(const char *arg)
2718 m = &stream_maps[nb_stream_maps++];
2720 m->file_index = strtol(arg, &p, 0);
2724 m->stream_index = strtol(p, &p, 0);
2727 m->sync_file_index = strtol(p, &p, 0);
2730 m->sync_stream_index = strtol(p, &p, 0);
2732 m->sync_file_index = m->file_index;
2733 m->sync_stream_index = m->stream_index;
2737 static void opt_map_meta_data(const char *arg)
2742 m = &meta_data_maps[nb_meta_data_maps++];
2744 m->out_file = strtol(arg, &p, 0);
2748 m->in_file = strtol(p, &p, 0);
2751 static void opt_input_ts_scale(const char *arg)
2753 unsigned int stream;
2757 stream = strtol(arg, &p, 0);
2760 scale= strtod(p, &p);
2762 if(stream >= MAX_STREAMS)
2765 input_files_ts_scale[nb_input_files][stream]= scale;
2768 static int opt_recording_time(const char *opt, const char *arg)
2770 recording_time = parse_time_or_die(opt, arg, 1);
2774 static int opt_start_time(const char *opt, const char *arg)
2776 start_time = parse_time_or_die(opt, arg, 1);
2780 static int opt_rec_timestamp(const char *opt, const char *arg)
2782 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2786 static int opt_input_ts_offset(const char *opt, const char *arg)
2788 input_ts_offset = parse_time_or_die(opt, arg, 1);
2792 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2794 const char *codec_string = encoder ? "encoder" : "decoder";
2798 return CODEC_ID_NONE;
2800 avcodec_find_encoder_by_name(name) :
2801 avcodec_find_decoder_by_name(name);
2803 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2806 if(codec->type != type) {
2807 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2813 static void opt_input_file(const char *filename)
2815 AVFormatContext *ic;
2816 AVFormatParameters params, *ap = ¶ms;
2817 int err, i, ret, rfps, rfps_base;
2820 if (!strcmp(filename, "-"))
2823 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2824 !strcmp(filename, "/dev/stdin");
2826 /* get default parameters from command line */
2827 ic = avformat_alloc_context();
2829 memset(ap, 0, sizeof(*ap));
2830 ap->prealloced_context = 1;
2831 ap->sample_rate = audio_sample_rate;
2832 ap->channels = audio_channels;
2833 ap->time_base.den = frame_rate.num;
2834 ap->time_base.num = frame_rate.den;
2835 ap->width = frame_width + frame_padleft + frame_padright;
2836 ap->height = frame_height + frame_padtop + frame_padbottom;
2837 ap->pix_fmt = frame_pix_fmt;
2838 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2839 ap->channel = video_channel;
2840 ap->standard = video_standard;
2841 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2842 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2843 if(pgmyuv_compatibility_hack)
2844 ap->video_codec_id= CODEC_ID_PGMYUV;
2846 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2848 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2849 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2850 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2851 ic->flags |= AVFMT_FLAG_NONBLOCK;
2853 /* open the input file with generic libav function */
2854 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2856 print_error(filename, err);
2861 for(i=0; i<ic->nb_programs; i++)
2862 if(ic->programs[i]->id != opt_programid)
2863 ic->programs[i]->discard = AVDISCARD_ALL;
2866 ic->loop_input = loop_input;
2868 /* If not enough info to get the stream parameters, we decode the
2869 first frames to get it. (used in mpeg case for example) */
2870 ret = av_find_stream_info(ic);
2871 if (ret < 0 && verbose >= 0) {
2872 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2876 timestamp = start_time;
2877 /* add the stream start time */
2878 if (ic->start_time != AV_NOPTS_VALUE)
2879 timestamp += ic->start_time;
2881 /* if seeking requested, we execute it */
2882 if (start_time != 0) {
2883 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2885 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2886 filename, (double)timestamp / AV_TIME_BASE);
2888 /* reset seek info */
2892 /* update the current parameters so that they match the one of the input stream */
2893 for(i=0;i<ic->nb_streams;i++) {
2894 AVCodecContext *enc = ic->streams[i]->codec;
2896 avcodec_thread_init(enc, thread_count);
2897 enc->thread_count= thread_count;
2898 switch(enc->codec_type) {
2899 case CODEC_TYPE_AUDIO:
2900 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2901 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2902 channel_layout = enc->channel_layout;
2903 audio_channels = enc->channels;
2904 audio_sample_rate = enc->sample_rate;
2905 audio_sample_fmt = enc->sample_fmt;
2906 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2908 ic->streams[i]->discard= AVDISCARD_ALL;
2910 case CODEC_TYPE_VIDEO:
2911 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2912 frame_height = enc->height;
2913 frame_width = enc->width;
2914 if(ic->streams[i]->sample_aspect_ratio.num)
2915 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2917 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2918 frame_aspect_ratio *= (float) enc->width / enc->height;
2919 frame_pix_fmt = enc->pix_fmt;
2920 rfps = ic->streams[i]->r_frame_rate.num;
2921 rfps_base = ic->streams[i]->r_frame_rate.den;
2922 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2924 enc->debug |= FF_DEBUG_MV;
2926 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2929 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2930 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2932 (float)rfps / rfps_base, rfps, rfps_base);
2934 /* update the current frame rate to match the stream frame rate */
2935 frame_rate.num = rfps;
2936 frame_rate.den = rfps_base;
2938 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2940 ic->streams[i]->discard= AVDISCARD_ALL;
2941 else if(video_discard)
2942 ic->streams[i]->discard= video_discard;
2944 case CODEC_TYPE_DATA:
2946 case CODEC_TYPE_SUBTITLE:
2947 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2948 if(subtitle_disable)
2949 ic->streams[i]->discard = AVDISCARD_ALL;
2951 case CODEC_TYPE_ATTACHMENT:
2952 case CODEC_TYPE_UNKNOWN:
2960 input_files[nb_input_files] = ic;
2961 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2962 /* dump the file content */
2964 dump_format(ic, nb_input_files, filename, 0);
2967 file_iformat = NULL;
2968 file_oformat = NULL;
2972 av_freep(&video_codec_name);
2973 av_freep(&audio_codec_name);
2974 av_freep(&subtitle_codec_name);
2977 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2978 int *has_subtitle_ptr)
2980 int has_video, has_audio, has_subtitle, i, j;
2981 AVFormatContext *ic;
2986 for(j=0;j<nb_input_files;j++) {
2987 ic = input_files[j];
2988 for(i=0;i<ic->nb_streams;i++) {
2989 AVCodecContext *enc = ic->streams[i]->codec;
2990 switch(enc->codec_type) {
2991 case CODEC_TYPE_AUDIO:
2994 case CODEC_TYPE_VIDEO:
2997 case CODEC_TYPE_SUBTITLE:
3000 case CODEC_TYPE_DATA:
3001 case CODEC_TYPE_ATTACHMENT:
3002 case CODEC_TYPE_UNKNOWN:
3009 *has_video_ptr = has_video;
3010 *has_audio_ptr = has_audio;
3011 *has_subtitle_ptr = has_subtitle;
3014 static void new_video_stream(AVFormatContext *oc)
3017 AVCodecContext *video_enc;
3020 st = av_new_stream(oc, oc->nb_streams);
3022 fprintf(stderr, "Could not alloc stream\n");
3025 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3026 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3027 video_bitstream_filters= NULL;
3030 avcodec_thread_init(st->codec, thread_count);
3032 video_enc = st->codec;
3035 video_enc->codec_tag= video_codec_tag;
3037 if( (video_global_header&1)
3038 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3039 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3040 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3042 if(video_global_header&2){
3043 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3044 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3047 if (video_stream_copy) {
3048 st->stream_copy = 1;
3049 video_enc->codec_type = CODEC_TYPE_VIDEO;
3050 video_enc->sample_aspect_ratio =
3051 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3056 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3058 if (video_codec_name) {
3059 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3060 codec = avcodec_find_encoder_by_name(video_codec_name);
3061 output_codecs[nb_ocodecs] = codec;
3063 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3064 codec = avcodec_find_encoder(codec_id);
3067 video_enc->codec_id = codec_id;
3069 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3071 if (codec && codec->supported_framerates && !force_fps)
3072 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3073 video_enc->time_base.den = fps.num;
3074 video_enc->time_base.num = fps.den;
3076 video_enc->width = frame_width + frame_padright + frame_padleft;
3077 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3078 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3079 video_enc->pix_fmt = frame_pix_fmt;
3080 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3082 if(codec && codec->pix_fmts){
3083 const enum PixelFormat *p= codec->pix_fmts;
3085 if(*p == video_enc->pix_fmt)
3089 video_enc->pix_fmt = codec->pix_fmts[0];
3093 video_enc->gop_size = 0;
3094 if (video_qscale || same_quality) {
3095 video_enc->flags |= CODEC_FLAG_QSCALE;
3096 video_enc->global_quality=
3097 st->quality = FF_QP2LAMBDA * video_qscale;
3101 video_enc->intra_matrix = intra_matrix;
3103 video_enc->inter_matrix = inter_matrix;
3105 video_enc->thread_count = thread_count;
3106 p= video_rc_override_string;
3109 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3111 fprintf(stderr, "error parsing rc_override\n");
3114 video_enc->rc_override=
3115 av_realloc(video_enc->rc_override,
3116 sizeof(RcOverride)*(i+1));
3117 video_enc->rc_override[i].start_frame= start;
3118 video_enc->rc_override[i].end_frame = end;
3120 video_enc->rc_override[i].qscale= q;
3121 video_enc->rc_override[i].quality_factor= 1.0;
3124 video_enc->rc_override[i].qscale= 0;
3125 video_enc->rc_override[i].quality_factor= -q/100.0;
3130 video_enc->rc_override_count=i;
3131 if (!video_enc->rc_initial_buffer_occupancy)
3132 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3133 video_enc->me_threshold= me_threshold;
3134 video_enc->intra_dc_precision= intra_dc_precision - 8;
3137 video_enc->flags|= CODEC_FLAG_PSNR;
3142 video_enc->flags |= CODEC_FLAG_PASS1;
3144 video_enc->flags |= CODEC_FLAG_PASS2;
3150 /* reset some key parameters */
3152 av_freep(&video_codec_name);
3153 video_stream_copy = 0;
3156 static void new_audio_stream(AVFormatContext *oc)
3159 AVCodecContext *audio_enc;
3162 st = av_new_stream(oc, oc->nb_streams);
3164 fprintf(stderr, "Could not alloc stream\n");
3167 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3169 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3170 audio_bitstream_filters= NULL;
3173 avcodec_thread_init(st->codec, thread_count);
3175 audio_enc = st->codec;
3176 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3179 audio_enc->codec_tag= audio_codec_tag;
3181 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3182 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3183 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3185 if (audio_stream_copy) {
3186 st->stream_copy = 1;
3187 audio_enc->channels = audio_channels;
3191 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3193 if (audio_codec_name) {
3194 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3195 codec = avcodec_find_encoder_by_name(audio_codec_name);
3196 output_codecs[nb_ocodecs] = codec;
3198 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3199 codec = avcodec_find_encoder(codec_id);
3201 audio_enc->codec_id = codec_id;
3203 if (audio_qscale > QSCALE_NONE) {
3204 audio_enc->flags |= CODEC_FLAG_QSCALE;
3205 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3207 audio_enc->thread_count = thread_count;
3208 audio_enc->channels = audio_channels;
3209 audio_enc->sample_fmt = audio_sample_fmt;
3210 audio_enc->channel_layout = channel_layout;
3211 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3212 audio_enc->channel_layout = 0;
3214 if(codec && codec->sample_fmts){
3215 const enum SampleFormat *p= codec->sample_fmts;
3217 if(*p == audio_enc->sample_fmt)
3221 audio_enc->sample_fmt = codec->sample_fmts[0];
3225 audio_enc->sample_rate = audio_sample_rate;
3226 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3227 if (audio_language) {
3228 av_metadata_set(&st->metadata, "language", audio_language);
3229 av_free(audio_language);
3230 audio_language = NULL;
3233 /* reset some key parameters */
3235 av_freep(&audio_codec_name);
3236 audio_stream_copy = 0;
3239 static void new_subtitle_stream(AVFormatContext *oc)
3242 AVCodecContext *subtitle_enc;
3244 st = av_new_stream(oc, oc->nb_streams);
3246 fprintf(stderr, "Could not alloc stream\n");
3249 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3251 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3252 subtitle_bitstream_filters= NULL;
3254 subtitle_enc = st->codec;
3255 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3257 if(subtitle_codec_tag)
3258 subtitle_enc->codec_tag= subtitle_codec_tag;
3260 if (subtitle_stream_copy) {
3261 st->stream_copy = 1;
3263 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3264 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3265 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3269 if (subtitle_language) {
3270 av_metadata_set(&st->metadata, "language", subtitle_language);
3271 av_free(subtitle_language);
3272 subtitle_language = NULL;
3275 subtitle_disable = 0;
3276 av_freep(&subtitle_codec_name);
3277 subtitle_stream_copy = 0;
3280 static void opt_new_audio_stream(void)
3282 AVFormatContext *oc;
3283 if (nb_output_files <= 0) {
3284 fprintf(stderr, "At least one output file must be specified\n");
3287 oc = output_files[nb_output_files - 1];
3288 new_audio_stream(oc);
3291 static void opt_new_video_stream(void)
3293 AVFormatContext *oc;
3294 if (nb_output_files <= 0) {
3295 fprintf(stderr, "At least one output file must be specified\n");
3298 oc = output_files[nb_output_files - 1];
3299 new_video_stream(oc);
3302 static void opt_new_subtitle_stream(void)
3304 AVFormatContext *oc;
3305 if (nb_output_files <= 0) {
3306 fprintf(stderr, "At least one output file must be specified\n");
3309 oc = output_files[nb_output_files - 1];
3310 new_subtitle_stream(oc);
3313 static void opt_output_file(const char *filename)
3315 AVFormatContext *oc;
3316 int use_video, use_audio, use_subtitle;
3317 int input_has_video, input_has_audio, input_has_subtitle;
3318 AVFormatParameters params, *ap = ¶ms;
3320 if (!strcmp(filename, "-"))
3323 oc = avformat_alloc_context();
3325 if (!file_oformat) {
3326 file_oformat = guess_format(NULL, filename, NULL);
3327 if (!file_oformat) {
3328 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3334 oc->oformat = file_oformat;
3335 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3337 if (!strcmp(file_oformat->name, "ffm") &&
3338 av_strstart(filename, "http:", NULL)) {
3339 /* special case for files sent to ffserver: we get the stream
3340 parameters from ffserver */
3341 int err = read_ffserver_streams(oc, filename);
3343 print_error(filename, err);
3347 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3348 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3349 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3351 /* disable if no corresponding type found and at least one
3353 if (nb_input_files > 0) {
3354 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3355 &input_has_subtitle);
3356 if (!input_has_video)
3358 if (!input_has_audio)
3360 if (!input_has_subtitle)
3364 /* manual disable */
3365 if (audio_disable) {
3368 if (video_disable) {
3371 if (subtitle_disable) {
3376 new_video_stream(oc);
3380 new_audio_stream(oc);
3384 new_subtitle_stream(oc);
3387 oc->timestamp = rec_timestamp;
3389 for(; metadata_count>0; metadata_count--){
3390 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3391 metadata[metadata_count-1].value);
3393 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3396 output_files[nb_output_files++] = oc;
3398 /* check filename in case of an image number is expected */
3399 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3400 if (!av_filename_number_test(oc->filename)) {
3401 print_error(oc->filename, AVERROR_NUMEXPECTED);
3406 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3407 /* test if it already exists to avoid loosing precious files */
3408 if (!file_overwrite &&
3409 (strchr(filename, ':') == NULL ||
3410 filename[1] == ':' ||
3411 av_strstart(filename, "file:", NULL))) {
3412 if (url_exist(filename)) {
3414 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3416 if (!read_yesno()) {
3417 fprintf(stderr, "Not overwriting - exiting\n");
3422 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3429 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3430 fprintf(stderr, "Could not open '%s'\n", filename);
3435 memset(ap, 0, sizeof(*ap));
3436 if (av_set_parameters(oc, ap) < 0) {
3437 fprintf(stderr, "%s: Invalid encoding parameters\n",
3442 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3443 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3444 oc->loop_output = loop_output;
3445 oc->flags |= AVFMT_FLAG_NONBLOCK;
3447 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3449 /* reset some options */
3450 file_oformat = NULL;
3451 file_iformat = NULL;
3454 /* same option as mencoder */
3455 static void opt_pass(const char *pass_str)
3458 pass = atoi(pass_str);
3459 if (pass != 1 && pass != 2) {
3460 fprintf(stderr, "pass number can be only 1 or 2\n");
3466 static int64_t getutime(void)
3469 struct rusage rusage;
3471 getrusage(RUSAGE_SELF, &rusage);
3472 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3473 #elif HAVE_GETPROCESSTIMES
3475 FILETIME c, e, k, u;
3476 proc = GetCurrentProcess();
3477 GetProcessTimes(proc, &c, &e, &k, &u);
3478 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3480 return av_gettime();
3484 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3487 const char *p = str;
3494 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3501 static void opt_inter_matrix(const char *arg)
3503 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3504 parse_matrix_coeffs(inter_matrix, arg);
3507 static void opt_intra_matrix(const char *arg)
3509 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3510 parse_matrix_coeffs(intra_matrix, arg);
3514 * Trivial log callback.
3515 * Only suitable for show_help and similar since it lacks prefix handling.
3517 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3519 vfprintf(stdout, fmt, vl);
3522 static void show_help(void)
3524 av_log_set_callback(log_callback_help);
3525 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3526 "Hyper fast Audio and Video encoder\n");
3528 show_help_options(options, "Main options:\n",
3529 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3530 show_help_options(options, "\nAdvanced options:\n",
3531 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3533 show_help_options(options, "\nVideo options:\n",
3534 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3536 show_help_options(options, "\nAdvanced Video options:\n",
3537 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3538 OPT_VIDEO | OPT_EXPERT);
3539 show_help_options(options, "\nAudio options:\n",
3540 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3542 show_help_options(options, "\nAdvanced Audio options:\n",
3543 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3544 OPT_AUDIO | OPT_EXPERT);
3545 show_help_options(options, "\nSubtitle options:\n",
3546 OPT_SUBTITLE | OPT_GRAB,
3548 show_help_options(options, "\nAudio/Video grab options:\n",
3552 av_opt_show(avcodec_opts[0], NULL);
3554 av_opt_show(avformat_opts, NULL);
3556 av_opt_show(sws_opts, NULL);
3559 static void opt_target(const char *arg)
3562 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3564 if(!strncmp(arg, "pal-", 4)) {
3567 } else if(!strncmp(arg, "ntsc-", 5)) {
3570 } else if(!strncmp(arg, "film-", 5)) {
3575 /* Calculate FR via float to avoid int overflow */
3576 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3579 } else if((fr == 29970) || (fr == 23976)) {
3582 /* Try to determine PAL/NTSC by peeking in the input files */
3583 if(nb_input_files) {
3585 for(j = 0; j < nb_input_files; j++) {
3586 for(i = 0; i < input_files[j]->nb_streams; i++) {
3587 AVCodecContext *c = input_files[j]->streams[i]->codec;
3588 if(c->codec_type != CODEC_TYPE_VIDEO)
3590 fr = c->time_base.den * 1000 / c->time_base.num;
3594 } else if((fr == 29970) || (fr == 23976)) {
3604 if(verbose && norm >= 0)
3605 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3609 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3610 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3611 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3615 if(!strcmp(arg, "vcd")) {
3617 opt_video_codec("mpeg1video");
3618 opt_audio_codec("mp2");
3621 opt_frame_size(norm ? "352x240" : "352x288");
3622 opt_frame_rate(NULL, frame_rates[norm]);
3623 opt_default("gop", norm ? "18" : "15");
3625 opt_default("b", "1150000");
3626 opt_default("maxrate", "1150000");
3627 opt_default("minrate", "1150000");
3628 opt_default("bufsize", "327680"); // 40*1024*8;
3630 opt_default("ab", "224000");
3631 audio_sample_rate = 44100;
3634 opt_default("packetsize", "2324");
3635 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3637 /* We have to offset the PTS, so that it is consistent with the SCR.
3638 SCR starts at 36000, but the first two packs contain only padding
3639 and the first pack from the other stream, respectively, may also have
3640 been written before.
3641 So the real data starts at SCR 36000+3*1200. */
3642 mux_preload= (36000+3*1200) / 90000.0; //0.44
3643 } else if(!strcmp(arg, "svcd")) {
3645 opt_video_codec("mpeg2video");
3646 opt_audio_codec("mp2");
3649 opt_frame_size(norm ? "480x480" : "480x576");
3650 opt_frame_rate(NULL, frame_rates[norm]);
3651 opt_default("gop", norm ? "18" : "15");
3653 opt_default("b", "2040000");
3654 opt_default("maxrate", "2516000");
3655 opt_default("minrate", "0"); //1145000;
3656 opt_default("bufsize", "1835008"); //224*1024*8;
3657 opt_default("flags", "+scan_offset");
3660 opt_default("ab", "224000");
3661 audio_sample_rate = 44100;
3663 opt_default("packetsize", "2324");
3665 } else if(!strcmp(arg, "dvd")) {
3667 opt_video_codec("mpeg2video");
3668 opt_audio_codec("ac3");
3671 opt_frame_size(norm ? "720x480" : "720x576");
3672 opt_frame_rate(NULL, frame_rates[norm]);
3673 opt_default("gop", norm ? "18" : "15");
3675 opt_default("b", "6000000");
3676 opt_default("maxrate", "9000000");
3677 opt_default("minrate", "0"); //1500000;
3678 opt_default("bufsize", "1835008"); //224*1024*8;
3680 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3681 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3683 opt_default("ab", "448000");
3684 audio_sample_rate = 48000;
3686 } else if(!strncmp(arg, "dv", 2)) {
3690 opt_frame_size(norm ? "720x480" : "720x576");
3691 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3692 (norm ? "yuv411p" : "yuv420p"));
3693 opt_frame_rate(NULL, frame_rates[norm]);
3695 audio_sample_rate = 48000;
3699 fprintf(stderr, "Unknown target: %s\n", arg);
3704 static void opt_vstats_file (const char *arg)
3706 av_free (vstats_filename);
3707 vstats_filename=av_strdup (arg);
3710 static void opt_vstats (void)
3713 time_t today2 = time(NULL);
3714 struct tm *today = localtime(&today2);
3716 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3718 opt_vstats_file(filename);
3721 static int opt_bsf(const char *opt, const char *arg)
3723 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3724 AVBitStreamFilterContext **bsfp;
3727 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3731 bsfp= *opt == 'v' ? &video_bitstream_filters :
3732 *opt == 'a' ? &audio_bitstream_filters :
3733 &subtitle_bitstream_filters;
3735 bsfp= &(*bsfp)->next;
3742 static int opt_preset(const char *opt, const char *arg)
3745 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3747 const char *base[2]= { getenv("HOME"),
3751 for(i=!base[0]; i<2 && !f; i++){
3752 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3753 f= fopen(filename, "r");
3755 char *codec_name= *opt == 'v' ? video_codec_name :
3756 *opt == 'a' ? audio_codec_name :
3757 subtitle_codec_name;
3758 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3759 f= fopen(filename, "r");
3762 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3764 av_strlcpy(filename, arg, sizeof(filename));
3765 f= fopen(filename, "r");
3769 fprintf(stderr, "File for preset '%s' not found\n", arg);
3774 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3775 if(line[0] == '#' && !e)
3777 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3779 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3782 if(!strcmp(tmp, "acodec")){
3783 opt_audio_codec(tmp2);
3784 }else if(!strcmp(tmp, "vcodec")){
3785 opt_video_codec(tmp2);
3786 }else if(!strcmp(tmp, "scodec")){
3787 opt_subtitle_codec(tmp2);
3788 }else if(opt_default(tmp, tmp2) < 0){
3789 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3799 static const OptionDef options[] = {
3801 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3802 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3803 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3804 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3805 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3806 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3807 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3808 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3809 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3810 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3811 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3812 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3813 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3814 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3815 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3816 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3817 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3818 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3819 "add timings for benchmarking" },
3820 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3821 "dump each input packet" },
3822 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3823 "when dumping packets, also dump the payload" },
3824 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3825 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3826 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3827 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3828 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3829 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3830 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3831 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3832 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3833 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3834 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3835 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3836 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3837 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3838 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3839 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3840 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3843 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3844 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3845 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3846 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3847 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3848 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3849 { "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" },
3850 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3851 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3852 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3853 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3854 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3855 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3856 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3857 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3858 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3859 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3860 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3861 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3862 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3863 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3864 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3865 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3866 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3867 "use same video quality as source (implies VBR)" },
3868 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3869 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3870 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3871 "deinterlace pictures" },
3872 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3873 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3874 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3875 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3876 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3877 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3878 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3879 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3880 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3881 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3882 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3885 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3886 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3887 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3888 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3889 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3890 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3891 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3892 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3893 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3894 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3895 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3896 { "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" },
3898 /* subtitle options */
3899 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3900 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3901 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3902 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3903 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3906 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3907 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3908 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3911 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3912 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3914 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3915 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3916 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3918 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3919 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3920 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3922 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3926 int main(int argc, char **argv)
3931 avcodec_register_all();
3932 avdevice_register_all();
3935 if(isatty(STDIN_FILENO))
3936 url_set_interrupt_cb(decode_interrupt_cb);
3938 for(i=0; i<CODEC_TYPE_NB; i++){
3939 avcodec_opts[i]= avcodec_alloc_context2(i);
3941 avformat_opts = avformat_alloc_context();
3942 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3947 parse_options(argc, argv, options, opt_output_file);
3949 /* file converter / grab */
3950 if (nb_output_files <= 0) {
3951 fprintf(stderr, "At least one output file must be specified\n");
3955 if (nb_input_files == 0) {
3956 fprintf(stderr, "At least one input file must be specified\n");
3961 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3962 stream_maps, nb_stream_maps) < 0)
3964 ti = getutime() - ti;
3966 printf("bench: utime=%0.3fs\n", ti / 1000000.0);