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");
989 //enc->frame_number = enc->real_pict_num;
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 %3d size: %5d type: %d",
1005 // enc->frame_number-1, enc->real_pict_num, ret,
1007 /* if two pass, output log */
1008 if (ost->logfile && enc->stats_out) {
1009 fprintf(ost->logfile, "%s", enc->stats_out);
1014 ost->frame_number++;
1018 static double psnr(double d){
1019 return -10.0*log(d)/log(10.0);
1022 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1025 AVCodecContext *enc;
1027 double ti1, bitrate, avg_bitrate;
1029 /* this is executed just the first time do_video_stats is called */
1031 vstats_file = fopen(vstats_filename, "w");
1038 enc = ost->st->codec;
1039 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1040 frame_number = ost->frame_number;
1041 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1042 if (enc->flags&CODEC_FLAG_PSNR)
1043 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1045 fprintf(vstats_file,"f_size= %6d ", frame_size);
1046 /* compute pts value */
1047 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1051 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1052 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1053 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1054 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1055 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1059 static void print_report(AVFormatContext **output_files,
1060 AVOutputStream **ost_table, int nb_ostreams,
1064 AVOutputStream *ost;
1065 AVFormatContext *oc;
1067 AVCodecContext *enc;
1068 int frame_number, vid, i;
1069 double bitrate, ti1, pts;
1070 static int64_t last_time = -1;
1071 static int qp_histogram[52];
1073 if (!is_last_report) {
1075 /* display the report every 0.5 seconds */
1076 cur_time = av_gettime();
1077 if (last_time == -1) {
1078 last_time = cur_time;
1081 if ((cur_time - last_time) < 500000)
1083 last_time = cur_time;
1087 oc = output_files[0];
1089 total_size = url_fsize(oc->pb);
1090 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1091 total_size= url_ftell(oc->pb);
1096 for(i=0;i<nb_ostreams;i++) {
1098 enc = ost->st->codec;
1099 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1101 !ost->st->stream_copy ?
1102 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1104 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1105 float t = (av_gettime()-timer_start) / 1000000.0;
1107 frame_number = ost->frame_number;
1108 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1109 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1110 !ost->st->stream_copy ?
1111 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1113 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1116 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1117 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1122 if (enc->flags&CODEC_FLAG_PSNR){
1124 double error, error_sum=0;
1125 double scale, scale_sum=0;
1126 char type[3]= {'Y','U','V'};
1127 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1130 error= enc->error[j];
1131 scale= enc->width*enc->height*255.0*255.0*frame_number;
1133 error= enc->coded_frame->error[j];
1134 scale= enc->width*enc->height*255.0*255.0;
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1141 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1145 /* compute min output value */
1146 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1147 if ((pts < ti1) && (pts > 0))
1153 if (verbose || is_last_report) {
1154 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1156 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1157 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1158 (double)total_size / 1024, ti1, bitrate);
1161 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1162 nb_frames_dup, nb_frames_drop);
1165 fprintf(stderr, "%s \r", buf);
1170 if (is_last_report && verbose >= 0){
1171 int64_t raw= audio_size + video_size + extra_size;
1172 fprintf(stderr, "\n");
1173 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1177 100.0*(total_size - raw)/raw
1182 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1183 static int output_packet(AVInputStream *ist, int ist_index,
1184 AVOutputStream **ost_table, int nb_ostreams,
1185 const AVPacket *pkt)
1187 AVFormatContext *os;
1188 AVOutputStream *ost;
1191 int data_size, got_picture;
1193 void *buffer_to_free;
1194 static unsigned int samples_size= 0;
1195 AVSubtitle subtitle, *subtitle_to_free;
1199 if(ist->next_pts == AV_NOPTS_VALUE)
1200 ist->next_pts= ist->pts;
1204 av_init_packet(&avpkt);
1212 if(pkt->dts != AV_NOPTS_VALUE)
1213 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1215 //while we have more to decode or while the decoder did output something on EOF
1216 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1218 ist->pts= ist->next_pts;
1220 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1221 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1223 /* decode the packet if needed */
1224 data_buf = NULL; /* fail safe */
1226 subtitle_to_free = NULL;
1227 if (ist->decoding_needed) {
1228 switch(ist->st->codec->codec_type) {
1229 case CODEC_TYPE_AUDIO:{
1230 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1231 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1233 samples= av_malloc(samples_size);
1235 data_size= samples_size;
1236 /* XXX: could avoid copy if PCM 16 bits with same
1237 endianness as CPU */
1238 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1244 /* Some bug in mpeg audio decoder gives */
1245 /* data_size < 0, it seems they are overflows */
1246 if (data_size <= 0) {
1247 /* no audio frame */
1250 data_buf = (uint8_t *)samples;
1251 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1252 (ist->st->codec->sample_rate * ist->st->codec->channels);
1254 case CODEC_TYPE_VIDEO:
1255 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1256 /* XXX: allocate picture correctly */
1257 avcodec_get_frame_defaults(&picture);
1259 ret = avcodec_decode_video2(ist->st->codec,
1260 &picture, &got_picture, &avpkt);
1261 ist->st->quality= picture.quality;
1265 /* no picture yet */
1266 goto discard_packet;
1268 if (ist->st->codec->time_base.num != 0) {
1269 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1270 ist->next_pts += ((int64_t)AV_TIME_BASE *
1271 ist->st->codec->time_base.num * ticks) /
1272 ist->st->codec->time_base.den;
1276 case CODEC_TYPE_SUBTITLE:
1277 ret = avcodec_decode_subtitle2(ist->st->codec,
1278 &subtitle, &got_subtitle, &avpkt);
1281 if (!got_subtitle) {
1282 goto discard_packet;
1284 subtitle_to_free = &subtitle;
1291 switch(ist->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:
1293 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1294 ist->st->codec->sample_rate;
1296 case CODEC_TYPE_VIDEO:
1297 if (ist->st->codec->time_base.num != 0) {
1298 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1299 ist->next_pts += ((int64_t)AV_TIME_BASE *
1300 ist->st->codec->time_base.num * ticks) /
1301 ist->st->codec->time_base.den;
1305 data_buf = avpkt.data;
1306 data_size = avpkt.size;
1311 buffer_to_free = NULL;
1312 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1313 pre_process_video_frame(ist, (AVPicture *)&picture,
1317 // preprocess audio (volume)
1318 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1319 if (audio_volume != 256) {
1322 for(i=0;i<(data_size / sizeof(short));i++) {
1323 int v = ((*volp) * audio_volume + 128) >> 8;
1324 if (v < -32768) v = -32768;
1325 if (v > 32767) v = 32767;
1331 /* frame rate emulation */
1333 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1334 int64_t now = av_gettime() - ist->start;
1339 /* if output time reached then transcode raw format,
1340 encode packets and output them */
1341 if (start_time == 0 || ist->pts >= start_time)
1342 for(i=0;i<nb_ostreams;i++) {
1346 if (ost->source_index == ist_index) {
1347 os = output_files[ost->file_index];
1350 printf("%d: got pts=%0.3f %0.3f\n", i,
1351 (double)pkt->pts / AV_TIME_BASE,
1352 ((double)ist->pts / AV_TIME_BASE) -
1353 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1355 /* set the input output pts pairs */
1356 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1358 if (ost->encoding_needed) {
1359 switch(ost->st->codec->codec_type) {
1360 case CODEC_TYPE_AUDIO:
1361 do_audio_out(os, ost, ist, data_buf, data_size);
1363 case CODEC_TYPE_VIDEO:
1364 do_video_out(os, ost, ist, &picture, &frame_size);
1365 if (vstats_filename && frame_size)
1366 do_video_stats(os, ost, frame_size);
1368 case CODEC_TYPE_SUBTITLE:
1369 do_subtitle_out(os, ost, ist, &subtitle,
1376 AVFrame avframe; //FIXME/XXX remove this
1378 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1380 av_init_packet(&opkt);
1382 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1385 /* no reencoding needed : output the packet directly */
1386 /* force the input stream PTS */
1388 avcodec_get_frame_defaults(&avframe);
1389 ost->st->codec->coded_frame= &avframe;
1390 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1392 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1393 audio_size += data_size;
1394 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1395 video_size += data_size;
1399 opkt.stream_index= ost->index;
1400 if(pkt->pts != AV_NOPTS_VALUE)
1401 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1403 opkt.pts= AV_NOPTS_VALUE;
1405 if (pkt->dts == AV_NOPTS_VALUE)
1406 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1408 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1409 opkt.dts -= ost_tb_start_time;
1411 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1412 opkt.flags= pkt->flags;
1414 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1415 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1416 opkt.destruct= av_destruct_packet;
1418 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1419 ost->st->codec->frame_number++;
1420 ost->frame_number++;
1421 av_free_packet(&opkt);
1425 av_free(buffer_to_free);
1426 /* XXX: allocate the subtitles in the codec ? */
1427 if (subtitle_to_free) {
1428 if (subtitle_to_free->rects != NULL) {
1429 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1430 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1431 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1432 av_freep(&subtitle_to_free->rects[i]);
1434 av_freep(&subtitle_to_free->rects);
1436 subtitle_to_free->num_rects = 0;
1437 subtitle_to_free = NULL;
1444 for(i=0;i<nb_ostreams;i++) {
1446 if (ost->source_index == ist_index) {
1447 AVCodecContext *enc= ost->st->codec;
1448 os = output_files[ost->file_index];
1450 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1452 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1455 if (ost->encoding_needed) {
1459 av_init_packet(&pkt);
1460 pkt.stream_index= ost->index;
1462 switch(ost->st->codec->codec_type) {
1463 case CODEC_TYPE_AUDIO:
1464 fifo_bytes = av_fifo_size(ost->fifo);
1466 /* encode any samples remaining in fifo */
1467 if (fifo_bytes > 0) {
1468 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1469 int fs_tmp = enc->frame_size;
1471 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1472 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1473 enc->frame_size = fifo_bytes / (osize * enc->channels);
1475 int frame_bytes = enc->frame_size*osize*enc->channels;
1476 if (samples_size < frame_bytes)
1478 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1481 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1482 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1483 ost->st->time_base.num, enc->sample_rate);
1484 enc->frame_size = fs_tmp;
1487 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1490 fprintf(stderr, "Audio encoding failed\n");
1494 pkt.flags |= PKT_FLAG_KEY;
1496 case CODEC_TYPE_VIDEO:
1497 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1499 fprintf(stderr, "Video encoding failed\n");
1503 if(enc->coded_frame && enc->coded_frame->key_frame)
1504 pkt.flags |= PKT_FLAG_KEY;
1505 if (ost->logfile && enc->stats_out) {
1506 fprintf(ost->logfile, "%s", enc->stats_out);
1515 pkt.data= bit_buffer;
1517 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1518 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1519 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1531 static void print_sdp(AVFormatContext **avc, int n)
1535 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1536 printf("SDP:\n%s\n", sdp);
1540 static int stream_index_from_inputs(AVFormatContext **input_files,
1542 AVInputFile *file_table,
1543 AVInputStream **ist_table,
1544 enum CodecType type,
1548 for(z=0; z<nb_input_files; z++) {
1549 AVFormatContext *ic = input_files[z];
1550 for(p=0; p<ic->nb_programs; p++) {
1551 AVProgram *program = ic->programs[p];
1552 if(program->id != programid)
1554 for(q=0; q<program->nb_stream_indexes; q++) {
1555 int sidx = program->stream_index[q];
1556 int ris = file_table[z].ist_index + sidx;
1557 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1567 * The following code is the main loop of the file converter
1569 static int av_encode(AVFormatContext **output_files,
1570 int nb_output_files,
1571 AVFormatContext **input_files,
1573 AVStreamMap *stream_maps, int nb_stream_maps)
1575 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1576 AVFormatContext *is, *os;
1577 AVCodecContext *codec, *icodec;
1578 AVOutputStream *ost, **ost_table = NULL;
1579 AVInputStream *ist, **ist_table = NULL;
1580 AVInputFile *file_table;
1584 uint8_t no_packet[MAX_FILES]={0};
1585 int no_packet_count=0;
1587 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1591 /* input stream init */
1593 for(i=0;i<nb_input_files;i++) {
1594 is = input_files[i];
1595 file_table[i].ist_index = j;
1596 file_table[i].nb_streams = is->nb_streams;
1597 j += is->nb_streams;
1601 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1605 for(i=0;i<nb_istreams;i++) {
1606 ist = av_mallocz(sizeof(AVInputStream));
1612 for(i=0;i<nb_input_files;i++) {
1613 is = input_files[i];
1614 for(k=0;k<is->nb_streams;k++) {
1615 ist = ist_table[j++];
1616 ist->st = is->streams[k];
1617 ist->file_index = i;
1619 ist->discard = 1; /* the stream is discarded by default
1623 ist->start = av_gettime();
1628 /* output stream init */
1630 for(i=0;i<nb_output_files;i++) {
1631 os = output_files[i];
1632 if (!os->nb_streams) {
1633 dump_format(output_files[i], i, output_files[i]->filename, 1);
1634 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1637 nb_ostreams += os->nb_streams;
1639 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1640 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1644 /* Sanity check the mapping args -- do the input files & streams exist? */
1645 for(i=0;i<nb_stream_maps;i++) {
1646 int fi = stream_maps[i].file_index;
1647 int si = stream_maps[i].stream_index;
1649 if (fi < 0 || fi > nb_input_files - 1 ||
1650 si < 0 || si > file_table[fi].nb_streams - 1) {
1651 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1654 fi = stream_maps[i].sync_file_index;
1655 si = stream_maps[i].sync_stream_index;
1656 if (fi < 0 || fi > nb_input_files - 1 ||
1657 si < 0 || si > file_table[fi].nb_streams - 1) {
1658 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1663 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1666 for(i=0;i<nb_ostreams;i++) {
1667 ost = av_mallocz(sizeof(AVOutputStream));
1674 for(k=0;k<nb_output_files;k++) {
1675 os = output_files[k];
1676 for(i=0;i<os->nb_streams;i++,n++) {
1679 ost->file_index = k;
1681 ost->st = os->streams[i];
1682 if (nb_stream_maps > 0) {
1683 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1684 stream_maps[n].stream_index;
1686 /* Sanity check that the stream types match */
1687 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1688 int i= ost->file_index;
1689 dump_format(output_files[i], i, output_files[i]->filename, 1);
1690 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1691 stream_maps[n].file_index, stream_maps[n].stream_index,
1692 ost->file_index, ost->index);
1699 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1701 ost->source_index = j;
1705 /* get corresponding input stream index : we select the first one with the right type */
1707 for(j=0;j<nb_istreams;j++) {
1710 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1711 ost->source_index = j;
1719 if(! opt_programid) {
1720 /* try again and reuse existing stream */
1721 for(j=0;j<nb_istreams;j++) {
1723 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1724 ost->source_index = j;
1730 int i= ost->file_index;
1731 dump_format(output_files[i], i, output_files[i]->filename, 1);
1732 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1733 ost->file_index, ost->index);
1738 ist = ist_table[ost->source_index];
1740 ost->sync_ist = (nb_stream_maps > 0) ?
1741 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1742 stream_maps[n].sync_stream_index] : ist;
1746 /* for each output stream, we compute the right encoding parameters */
1747 for(i=0;i<nb_ostreams;i++) {
1748 AVMetadataTag *lang;
1750 os = output_files[ost->file_index];
1751 ist = ist_table[ost->source_index];
1753 codec = ost->st->codec;
1754 icodec = ist->st->codec;
1756 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1757 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1758 av_metadata_set(&ost->st->metadata, "language", lang->value);
1760 ost->st->disposition = ist->st->disposition;
1761 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1762 codec->chroma_sample_location = icodec->chroma_sample_location;
1764 if (ost->st->stream_copy) {
1765 /* if stream_copy is selected, no need to decode or encode */
1766 codec->codec_id = icodec->codec_id;
1767 codec->codec_type = icodec->codec_type;
1769 if(!codec->codec_tag){
1770 if( !os->oformat->codec_tag
1771 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1772 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1773 codec->codec_tag = icodec->codec_tag;
1776 codec->bit_rate = icodec->bit_rate;
1777 codec->extradata= icodec->extradata;
1778 codec->extradata_size= icodec->extradata_size;
1779 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){
1780 codec->time_base = icodec->time_base;
1781 codec->time_base.num *= icodec->ticks_per_frame;
1783 codec->time_base = ist->st->time_base;
1784 switch(codec->codec_type) {
1785 case CODEC_TYPE_AUDIO:
1786 if(audio_volume != 256) {
1787 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1790 codec->channel_layout = icodec->channel_layout;
1791 codec->sample_rate = icodec->sample_rate;
1792 codec->channels = icodec->channels;
1793 codec->frame_size = icodec->frame_size;
1794 codec->block_align= icodec->block_align;
1795 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1796 codec->block_align= 0;
1797 if(codec->codec_id == CODEC_ID_AC3)
1798 codec->block_align= 0;
1800 case CODEC_TYPE_VIDEO:
1801 codec->pix_fmt = icodec->pix_fmt;
1802 codec->width = icodec->width;
1803 codec->height = icodec->height;
1804 codec->has_b_frames = icodec->has_b_frames;
1806 case CODEC_TYPE_SUBTITLE:
1807 codec->width = icodec->width;
1808 codec->height = icodec->height;
1814 switch(codec->codec_type) {
1815 case CODEC_TYPE_AUDIO:
1816 ost->fifo= av_fifo_alloc(1024);
1819 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1820 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1821 icodec->request_channels = codec->channels;
1822 ist->decoding_needed = 1;
1823 ost->encoding_needed = 1;
1825 case CODEC_TYPE_VIDEO:
1826 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1827 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1828 ost->video_resample = ((codec->width != icodec->width -
1829 (frame_leftBand + frame_rightBand) +
1830 (frame_padleft + frame_padright)) ||
1831 (codec->height != icodec->height -
1832 (frame_topBand + frame_bottomBand) +
1833 (frame_padtop + frame_padbottom)) ||
1834 (codec->pix_fmt != icodec->pix_fmt));
1835 if (ost->video_crop) {
1836 ost->topBand = frame_topBand;
1837 ost->leftBand = frame_leftBand;
1839 if (ost->video_pad) {
1840 ost->padtop = frame_padtop;
1841 ost->padleft = frame_padleft;
1842 ost->padbottom = frame_padbottom;
1843 ost->padright = frame_padright;
1844 if (!ost->video_resample) {
1845 avcodec_get_frame_defaults(&ost->pict_tmp);
1846 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1847 codec->width, codec->height))
1851 if (ost->video_resample) {
1852 avcodec_get_frame_defaults(&ost->pict_tmp);
1853 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1854 codec->width, codec->height)) {
1855 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1858 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1859 ost->img_resample_ctx = sws_getContext(
1860 icodec->width - (frame_leftBand + frame_rightBand),
1861 icodec->height - (frame_topBand + frame_bottomBand),
1863 codec->width - (frame_padleft + frame_padright),
1864 codec->height - (frame_padtop + frame_padbottom),
1866 sws_flags, NULL, NULL, NULL);
1867 if (ost->img_resample_ctx == NULL) {
1868 fprintf(stderr, "Cannot get resampling context\n");
1871 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1872 codec->bits_per_raw_sample= 0;
1874 ost->encoding_needed = 1;
1875 ist->decoding_needed = 1;
1877 case CODEC_TYPE_SUBTITLE:
1878 ost->encoding_needed = 1;
1879 ist->decoding_needed = 1;
1886 if (ost->encoding_needed &&
1887 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1888 char logfilename[1024];
1893 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1894 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1896 if (codec->flags & CODEC_FLAG_PASS1) {
1897 f = fopen(logfilename, "w");
1899 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1904 /* read the log file */
1905 f = fopen(logfilename, "r");
1907 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1910 fseek(f, 0, SEEK_END);
1912 fseek(f, 0, SEEK_SET);
1913 logbuffer = av_malloc(size + 1);
1915 fprintf(stderr, "Could not allocate log buffer\n");
1918 size = fread(logbuffer, 1, size, f);
1920 logbuffer[size] = '\0';
1921 codec->stats_in = logbuffer;
1925 if(codec->codec_type == CODEC_TYPE_VIDEO){
1926 int size= codec->width * codec->height;
1927 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1932 bit_buffer = av_malloc(bit_buffer_size);
1934 ret = AVERROR(ENOMEM);
1938 /* open each encoder */
1939 for(i=0;i<nb_ostreams;i++) {
1941 if (ost->encoding_needed) {
1942 AVCodec *codec = output_codecs[i];
1944 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1946 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1947 ost->file_index, ost->index);
1948 ret = AVERROR(EINVAL);
1951 if (avcodec_open(ost->st->codec, codec) < 0) {
1952 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1953 ost->file_index, ost->index);
1954 ret = AVERROR(EINVAL);
1957 extra_size += ost->st->codec->extradata_size;
1961 /* open each decoder */
1962 for(i=0;i<nb_istreams;i++) {
1964 if (ist->decoding_needed) {
1965 AVCodec *codec = input_codecs[i];
1967 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1969 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1970 ist->st->codec->codec_id, ist->file_index, ist->index);
1971 ret = AVERROR(EINVAL);
1974 if (avcodec_open(ist->st->codec, codec) < 0) {
1975 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1976 ist->file_index, ist->index);
1977 ret = AVERROR(EINVAL);
1980 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1981 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1986 for(i=0;i<nb_istreams;i++) {
1989 ist->next_pts = AV_NOPTS_VALUE;
1993 /* set meta data information from input file if required */
1994 for (i=0;i<nb_meta_data_maps;i++) {
1995 AVFormatContext *out_file;
1996 AVFormatContext *in_file;
1997 AVMetadataTag *mtag;
1999 int out_file_index = meta_data_maps[i].out_file;
2000 int in_file_index = meta_data_maps[i].in_file;
2001 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2002 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2003 out_file_index, out_file_index, in_file_index);
2004 ret = AVERROR(EINVAL);
2007 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2008 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2009 in_file_index, out_file_index, in_file_index);
2010 ret = AVERROR(EINVAL);
2014 out_file = output_files[out_file_index];
2015 in_file = input_files[in_file_index];
2019 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2020 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2021 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2022 in_file->iformat->metadata_conv);
2025 /* open files and write file headers */
2026 for(i=0;i<nb_output_files;i++) {
2027 os = output_files[i];
2028 if (av_write_header(os) < 0) {
2029 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2030 ret = AVERROR(EINVAL);
2033 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2039 /* dump the file output parameters - cannot be done before in case
2041 for(i=0;i<nb_output_files;i++) {
2042 dump_format(output_files[i], i, output_files[i]->filename, 1);
2045 /* dump the stream mapping */
2047 fprintf(stderr, "Stream mapping:\n");
2048 for(i=0;i<nb_ostreams;i++) {
2050 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2051 ist_table[ost->source_index]->file_index,
2052 ist_table[ost->source_index]->index,
2055 if (ost->sync_ist != ist_table[ost->source_index])
2056 fprintf(stderr, " [sync #%d.%d]",
2057 ost->sync_ist->file_index,
2058 ost->sync_ist->index);
2059 fprintf(stderr, "\n");
2064 fprintf(stderr, "%s\n", error);
2069 print_sdp(output_files, nb_output_files);
2072 if (!using_stdin && verbose >= 0) {
2073 fprintf(stderr, "Press [q] to stop encoding\n");
2074 url_set_interrupt_cb(decode_interrupt_cb);
2078 timer_start = av_gettime();
2080 for(; received_sigterm == 0;) {
2081 int file_index, ist_index;
2089 /* if 'q' pressed, exits */
2093 /* read_key() returns 0 on EOF */
2099 /* select the stream that we must read now by looking at the
2100 smallest output pts */
2102 for(i=0;i<nb_ostreams;i++) {
2105 os = output_files[ost->file_index];
2106 ist = ist_table[ost->source_index];
2107 if(no_packet[ist->file_index])
2109 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2110 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2112 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2113 ipts = (double)ist->pts;
2114 if (!file_table[ist->file_index].eof_reached){
2115 if(ipts < ipts_min) {
2117 if(input_sync ) file_index = ist->file_index;
2119 if(opts < opts_min) {
2121 if(!input_sync) file_index = ist->file_index;
2124 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2129 /* if none, if is finished */
2130 if (file_index < 0) {
2131 if(no_packet_count){
2133 memset(no_packet, 0, sizeof(no_packet));
2140 /* finish if recording time exhausted */
2141 if (opts_min >= (recording_time / 1000000.0))
2144 /* finish if limit size exhausted */
2145 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2148 /* read a frame from it and output it in the fifo */
2149 is = input_files[file_index];
2150 ret= av_read_frame(is, &pkt);
2151 if(ret == AVERROR(EAGAIN)){
2152 no_packet[file_index]=1;
2157 file_table[file_index].eof_reached = 1;
2165 memset(no_packet, 0, sizeof(no_packet));
2168 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2170 /* the following test is needed in case new streams appear
2171 dynamically in stream : we ignore them */
2172 if (pkt.stream_index >= file_table[file_index].nb_streams)
2173 goto discard_packet;
2174 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2175 ist = ist_table[ist_index];
2177 goto discard_packet;
2179 if (pkt.dts != AV_NOPTS_VALUE)
2180 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2181 if (pkt.pts != AV_NOPTS_VALUE)
2182 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2184 if(input_files_ts_scale[file_index][pkt.stream_index]){
2185 if(pkt.pts != AV_NOPTS_VALUE)
2186 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2187 if(pkt.dts != AV_NOPTS_VALUE)
2188 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2191 // 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);
2192 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2193 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2194 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2195 int64_t delta= pkt_dts - ist->next_pts;
2196 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2197 input_files_ts_offset[ist->file_index]-= delta;
2199 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2200 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2201 if(pkt.pts != AV_NOPTS_VALUE)
2202 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2206 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2207 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2210 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2211 ist->file_index, ist->index);
2214 av_free_packet(&pkt);
2219 av_free_packet(&pkt);
2221 /* dump report by using the output first video and audio streams */
2222 print_report(output_files, ost_table, nb_ostreams, 0);
2225 /* at the end of stream, we must flush the decoder buffers */
2226 for(i=0;i<nb_istreams;i++) {
2228 if (ist->decoding_needed) {
2229 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2235 /* write the trailer if needed and close file */
2236 for(i=0;i<nb_output_files;i++) {
2237 os = output_files[i];
2238 av_write_trailer(os);
2241 /* dump report by using the first video and audio streams */
2242 print_report(output_files, ost_table, nb_ostreams, 1);
2244 /* close each encoder */
2245 for(i=0;i<nb_ostreams;i++) {
2247 if (ost->encoding_needed) {
2248 av_freep(&ost->st->codec->stats_in);
2249 avcodec_close(ost->st->codec);
2253 /* close each decoder */
2254 for(i=0;i<nb_istreams;i++) {
2256 if (ist->decoding_needed) {
2257 avcodec_close(ist->st->codec);
2265 av_freep(&bit_buffer);
2266 av_free(file_table);
2269 for(i=0;i<nb_istreams;i++) {
2276 for(i=0;i<nb_ostreams;i++) {
2280 fclose(ost->logfile);
2281 ost->logfile = NULL;
2283 av_fifo_free(ost->fifo); /* works even if fifo is not
2284 initialized but set to zero */
2285 av_free(ost->pict_tmp.data[0]);
2286 if (ost->video_resample)
2287 sws_freeContext(ost->img_resample_ctx);
2289 audio_resample_close(ost->resample);
2290 if (ost->reformat_ctx)
2291 av_audio_convert_free(ost->reformat_ctx);
2301 int file_read(const char *filename)
2304 unsigned char buffer[1024];
2307 if (url_open(&h, filename, O_RDONLY) < 0) {
2308 printf("could not open '%s'\n", filename);
2312 len = url_read(h, buffer, sizeof(buffer));
2315 for(i=0;i<len;i++) putchar(buffer[i]);
2322 static void opt_format(const char *arg)
2324 /* compatibility stuff for pgmyuv */
2325 if (!strcmp(arg, "pgmyuv")) {
2326 pgmyuv_compatibility_hack=1;
2327 // opt_image_format(arg);
2329 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2332 file_iformat = av_find_input_format(arg);
2333 file_oformat = guess_format(arg, NULL, NULL);
2334 if (!file_iformat && !file_oformat) {
2335 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2340 static void opt_video_rc_override_string(const char *arg)
2342 video_rc_override_string = arg;
2345 static int opt_me_threshold(const char *opt, const char *arg)
2347 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2351 static int opt_loglevel(const char *opt, const char *arg)
2353 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2354 av_log_set_level(level);
2358 static int opt_verbose(const char *opt, const char *arg)
2360 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2364 static int opt_frame_rate(const char *opt, const char *arg)
2366 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2367 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2373 static int opt_bitrate(const char *opt, const char *arg)
2375 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2377 opt_default(opt, arg);
2379 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2380 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2385 static void opt_frame_crop_top(const char *arg)
2387 frame_topBand = atoi(arg);
2388 if (frame_topBand < 0) {
2389 fprintf(stderr, "Incorrect top crop size\n");
2392 if ((frame_topBand % 2) != 0) {
2393 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2396 if ((frame_topBand) >= frame_height){
2397 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2400 frame_height -= frame_topBand;
2403 static void opt_frame_crop_bottom(const char *arg)
2405 frame_bottomBand = atoi(arg);
2406 if (frame_bottomBand < 0) {
2407 fprintf(stderr, "Incorrect bottom crop size\n");
2410 if ((frame_bottomBand % 2) != 0) {
2411 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2414 if ((frame_bottomBand) >= frame_height){
2415 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2418 frame_height -= frame_bottomBand;
2421 static void opt_frame_crop_left(const char *arg)
2423 frame_leftBand = atoi(arg);
2424 if (frame_leftBand < 0) {
2425 fprintf(stderr, "Incorrect left crop size\n");
2428 if ((frame_leftBand % 2) != 0) {
2429 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2432 if ((frame_leftBand) >= frame_width){
2433 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2436 frame_width -= frame_leftBand;
2439 static void opt_frame_crop_right(const char *arg)
2441 frame_rightBand = atoi(arg);
2442 if (frame_rightBand < 0) {
2443 fprintf(stderr, "Incorrect right crop size\n");
2446 if ((frame_rightBand % 2) != 0) {
2447 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2450 if ((frame_rightBand) >= frame_width){
2451 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2454 frame_width -= frame_rightBand;
2457 static void opt_frame_size(const char *arg)
2459 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2460 fprintf(stderr, "Incorrect frame size\n");
2463 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2464 fprintf(stderr, "Frame size must be a multiple of 2\n");
2469 static void opt_pad_color(const char *arg) {
2470 /* Input is expected to be six hex digits similar to
2471 how colors are expressed in html tags (but without the #) */
2472 int rgb = strtol(arg, NULL, 16);
2476 g = ((rgb >> 8) & 255);
2479 padcolor[0] = RGB_TO_Y(r,g,b);
2480 padcolor[1] = RGB_TO_U(r,g,b,0);
2481 padcolor[2] = RGB_TO_V(r,g,b,0);
2484 static void opt_frame_pad_top(const char *arg)
2486 frame_padtop = atoi(arg);
2487 if (frame_padtop < 0) {
2488 fprintf(stderr, "Incorrect top pad size\n");
2491 if ((frame_padtop % 2) != 0) {
2492 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2497 static void opt_frame_pad_bottom(const char *arg)
2499 frame_padbottom = atoi(arg);
2500 if (frame_padbottom < 0) {
2501 fprintf(stderr, "Incorrect bottom pad size\n");
2504 if ((frame_padbottom % 2) != 0) {
2505 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2511 static void opt_frame_pad_left(const char *arg)
2513 frame_padleft = atoi(arg);
2514 if (frame_padleft < 0) {
2515 fprintf(stderr, "Incorrect left pad size\n");
2518 if ((frame_padleft % 2) != 0) {
2519 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2525 static void opt_frame_pad_right(const char *arg)
2527 frame_padright = atoi(arg);
2528 if (frame_padright < 0) {
2529 fprintf(stderr, "Incorrect right pad size\n");
2532 if ((frame_padright % 2) != 0) {
2533 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2538 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2542 for (i=-1; i < nb_fmts; i++) {
2543 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2544 fprintf(stdout, "%s\n", fmt_str);
2548 static void opt_frame_pix_fmt(const char *arg)
2550 if (strcmp(arg, "list")) {
2551 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2552 if (frame_pix_fmt == PIX_FMT_NONE) {
2553 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2557 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2562 static void opt_frame_aspect_ratio(const char *arg)
2569 p = strchr(arg, ':');
2571 x = strtol(arg, &end, 10);
2573 y = strtol(end+1, &end, 10);
2575 ar = (double)x / (double)y;
2577 ar = strtod(arg, NULL);
2580 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2583 frame_aspect_ratio = ar;
2586 static int opt_metadata(const char *opt, const char *arg)
2588 char *mid= strchr(arg, '=');
2591 fprintf(stderr, "Missing =\n");
2597 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2598 metadata[metadata_count-1].key = av_strdup(arg);
2599 metadata[metadata_count-1].value= av_strdup(mid);
2604 static void opt_qscale(const char *arg)
2606 video_qscale = atof(arg);
2607 if (video_qscale <= 0 ||
2608 video_qscale > 255) {
2609 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2614 static void opt_top_field_first(const char *arg)
2616 top_field_first= atoi(arg);
2619 static int opt_thread_count(const char *opt, const char *arg)
2621 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2624 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2629 static void opt_audio_sample_fmt(const char *arg)
2631 if (strcmp(arg, "list"))
2632 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2634 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2639 static int opt_audio_rate(const char *opt, const char *arg)
2641 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2645 static int opt_audio_channels(const char *opt, const char *arg)
2647 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2651 static void opt_video_channel(const char *arg)
2653 video_channel = strtol(arg, NULL, 0);
2656 static void opt_video_standard(const char *arg)
2658 video_standard = av_strdup(arg);
2661 static void opt_codec(int *pstream_copy, char **pcodec_name,
2662 int codec_type, const char *arg)
2664 av_freep(pcodec_name);
2665 if (!strcmp(arg, "copy")) {
2668 *pcodec_name = av_strdup(arg);
2672 static void opt_audio_codec(const char *arg)
2674 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2677 static void opt_audio_tag(const char *arg)
2680 audio_codec_tag= strtol(arg, &tail, 0);
2683 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2686 static void opt_video_tag(const char *arg)
2689 video_codec_tag= strtol(arg, &tail, 0);
2692 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2695 static void opt_video_codec(const char *arg)
2697 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2700 static void opt_subtitle_codec(const char *arg)
2702 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2705 static void opt_subtitle_tag(const char *arg)
2708 subtitle_codec_tag= strtol(arg, &tail, 0);
2711 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2714 static void opt_map(const char *arg)
2719 m = &stream_maps[nb_stream_maps++];
2721 m->file_index = strtol(arg, &p, 0);
2725 m->stream_index = strtol(p, &p, 0);
2728 m->sync_file_index = strtol(p, &p, 0);
2731 m->sync_stream_index = strtol(p, &p, 0);
2733 m->sync_file_index = m->file_index;
2734 m->sync_stream_index = m->stream_index;
2738 static void opt_map_meta_data(const char *arg)
2743 m = &meta_data_maps[nb_meta_data_maps++];
2745 m->out_file = strtol(arg, &p, 0);
2749 m->in_file = strtol(p, &p, 0);
2752 static void opt_input_ts_scale(const char *arg)
2754 unsigned int stream;
2758 stream = strtol(arg, &p, 0);
2761 scale= strtod(p, &p);
2763 if(stream >= MAX_STREAMS)
2766 input_files_ts_scale[nb_input_files][stream]= scale;
2769 static int opt_recording_time(const char *opt, const char *arg)
2771 recording_time = parse_time_or_die(opt, arg, 1);
2775 static int opt_start_time(const char *opt, const char *arg)
2777 start_time = parse_time_or_die(opt, arg, 1);
2781 static int opt_rec_timestamp(const char *opt, const char *arg)
2783 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2787 static int opt_input_ts_offset(const char *opt, const char *arg)
2789 input_ts_offset = parse_time_or_die(opt, arg, 1);
2793 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2795 const char *codec_string = encoder ? "encoder" : "decoder";
2799 return CODEC_ID_NONE;
2801 avcodec_find_encoder_by_name(name) :
2802 avcodec_find_decoder_by_name(name);
2804 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2807 if(codec->type != type) {
2808 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2814 static void opt_input_file(const char *filename)
2816 AVFormatContext *ic;
2817 AVFormatParameters params, *ap = ¶ms;
2818 int err, i, ret, rfps, rfps_base;
2821 if (!strcmp(filename, "-"))
2824 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2825 !strcmp(filename, "/dev/stdin");
2827 /* get default parameters from command line */
2828 ic = avformat_alloc_context();
2830 memset(ap, 0, sizeof(*ap));
2831 ap->prealloced_context = 1;
2832 ap->sample_rate = audio_sample_rate;
2833 ap->channels = audio_channels;
2834 ap->time_base.den = frame_rate.num;
2835 ap->time_base.num = frame_rate.den;
2836 ap->width = frame_width + frame_padleft + frame_padright;
2837 ap->height = frame_height + frame_padtop + frame_padbottom;
2838 ap->pix_fmt = frame_pix_fmt;
2839 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2840 ap->channel = video_channel;
2841 ap->standard = video_standard;
2842 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2843 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2844 if(pgmyuv_compatibility_hack)
2845 ap->video_codec_id= CODEC_ID_PGMYUV;
2847 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2849 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2850 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2851 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2852 ic->flags |= AVFMT_FLAG_NONBLOCK;
2854 /* open the input file with generic libav function */
2855 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2857 print_error(filename, err);
2862 for(i=0; i<ic->nb_programs; i++)
2863 if(ic->programs[i]->id != opt_programid)
2864 ic->programs[i]->discard = AVDISCARD_ALL;
2867 ic->loop_input = loop_input;
2869 /* If not enough info to get the stream parameters, we decode the
2870 first frames to get it. (used in mpeg case for example) */
2871 ret = av_find_stream_info(ic);
2872 if (ret < 0 && verbose >= 0) {
2873 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2877 timestamp = start_time;
2878 /* add the stream start time */
2879 if (ic->start_time != AV_NOPTS_VALUE)
2880 timestamp += ic->start_time;
2882 /* if seeking requested, we execute it */
2883 if (start_time != 0) {
2884 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2886 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2887 filename, (double)timestamp / AV_TIME_BASE);
2889 /* reset seek info */
2893 /* update the current parameters so that they match the one of the input stream */
2894 for(i=0;i<ic->nb_streams;i++) {
2895 AVCodecContext *enc = ic->streams[i]->codec;
2897 avcodec_thread_init(enc, thread_count);
2898 enc->thread_count= thread_count;
2899 switch(enc->codec_type) {
2900 case CODEC_TYPE_AUDIO:
2901 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2902 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2903 channel_layout = enc->channel_layout;
2904 audio_channels = enc->channels;
2905 audio_sample_rate = enc->sample_rate;
2906 audio_sample_fmt = enc->sample_fmt;
2907 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2909 ic->streams[i]->discard= AVDISCARD_ALL;
2911 case CODEC_TYPE_VIDEO:
2912 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2913 frame_height = enc->height;
2914 frame_width = enc->width;
2915 if(ic->streams[i]->sample_aspect_ratio.num)
2916 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2918 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2919 frame_aspect_ratio *= (float) enc->width / enc->height;
2920 frame_pix_fmt = enc->pix_fmt;
2921 rfps = ic->streams[i]->r_frame_rate.num;
2922 rfps_base = ic->streams[i]->r_frame_rate.den;
2923 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2925 enc->debug |= FF_DEBUG_MV;
2927 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2930 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2931 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2933 (float)rfps / rfps_base, rfps, rfps_base);
2935 /* update the current frame rate to match the stream frame rate */
2936 frame_rate.num = rfps;
2937 frame_rate.den = rfps_base;
2939 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2941 ic->streams[i]->discard= AVDISCARD_ALL;
2942 else if(video_discard)
2943 ic->streams[i]->discard= video_discard;
2945 case CODEC_TYPE_DATA:
2947 case CODEC_TYPE_SUBTITLE:
2948 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2949 if(subtitle_disable)
2950 ic->streams[i]->discard = AVDISCARD_ALL;
2952 case CODEC_TYPE_ATTACHMENT:
2953 case CODEC_TYPE_UNKNOWN:
2961 input_files[nb_input_files] = ic;
2962 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2963 /* dump the file content */
2965 dump_format(ic, nb_input_files, filename, 0);
2968 file_iformat = NULL;
2969 file_oformat = NULL;
2973 av_freep(&video_codec_name);
2974 av_freep(&audio_codec_name);
2975 av_freep(&subtitle_codec_name);
2978 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2979 int *has_subtitle_ptr)
2981 int has_video, has_audio, has_subtitle, i, j;
2982 AVFormatContext *ic;
2987 for(j=0;j<nb_input_files;j++) {
2988 ic = input_files[j];
2989 for(i=0;i<ic->nb_streams;i++) {
2990 AVCodecContext *enc = ic->streams[i]->codec;
2991 switch(enc->codec_type) {
2992 case CODEC_TYPE_AUDIO:
2995 case CODEC_TYPE_VIDEO:
2998 case CODEC_TYPE_SUBTITLE:
3001 case CODEC_TYPE_DATA:
3002 case CODEC_TYPE_ATTACHMENT:
3003 case CODEC_TYPE_UNKNOWN:
3010 *has_video_ptr = has_video;
3011 *has_audio_ptr = has_audio;
3012 *has_subtitle_ptr = has_subtitle;
3015 static void new_video_stream(AVFormatContext *oc)
3018 AVCodecContext *video_enc;
3021 st = av_new_stream(oc, oc->nb_streams);
3023 fprintf(stderr, "Could not alloc stream\n");
3026 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3027 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3028 video_bitstream_filters= NULL;
3031 avcodec_thread_init(st->codec, thread_count);
3033 video_enc = st->codec;
3036 video_enc->codec_tag= video_codec_tag;
3038 if( (video_global_header&1)
3039 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3040 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3041 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3043 if(video_global_header&2){
3044 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3045 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3048 if (video_stream_copy) {
3049 st->stream_copy = 1;
3050 video_enc->codec_type = CODEC_TYPE_VIDEO;
3051 video_enc->sample_aspect_ratio =
3052 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3057 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3059 if (video_codec_name) {
3060 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3061 codec = avcodec_find_encoder_by_name(video_codec_name);
3062 output_codecs[nb_ocodecs] = codec;
3064 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3065 codec = avcodec_find_encoder(codec_id);
3068 video_enc->codec_id = codec_id;
3070 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3072 if (codec && codec->supported_framerates && !force_fps)
3073 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3074 video_enc->time_base.den = fps.num;
3075 video_enc->time_base.num = fps.den;
3077 video_enc->width = frame_width + frame_padright + frame_padleft;
3078 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3079 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3080 video_enc->pix_fmt = frame_pix_fmt;
3081 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3083 if(codec && codec->pix_fmts){
3084 const enum PixelFormat *p= codec->pix_fmts;
3086 if(*p == video_enc->pix_fmt)
3090 video_enc->pix_fmt = codec->pix_fmts[0];
3094 video_enc->gop_size = 0;
3095 if (video_qscale || same_quality) {
3096 video_enc->flags |= CODEC_FLAG_QSCALE;
3097 video_enc->global_quality=
3098 st->quality = FF_QP2LAMBDA * video_qscale;
3102 video_enc->intra_matrix = intra_matrix;
3104 video_enc->inter_matrix = inter_matrix;
3106 video_enc->thread_count = thread_count;
3107 p= video_rc_override_string;
3110 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3112 fprintf(stderr, "error parsing rc_override\n");
3115 video_enc->rc_override=
3116 av_realloc(video_enc->rc_override,
3117 sizeof(RcOverride)*(i+1));
3118 video_enc->rc_override[i].start_frame= start;
3119 video_enc->rc_override[i].end_frame = end;
3121 video_enc->rc_override[i].qscale= q;
3122 video_enc->rc_override[i].quality_factor= 1.0;
3125 video_enc->rc_override[i].qscale= 0;
3126 video_enc->rc_override[i].quality_factor= -q/100.0;
3131 video_enc->rc_override_count=i;
3132 if (!video_enc->rc_initial_buffer_occupancy)
3133 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3134 video_enc->me_threshold= me_threshold;
3135 video_enc->intra_dc_precision= intra_dc_precision - 8;
3138 video_enc->flags|= CODEC_FLAG_PSNR;
3143 video_enc->flags |= CODEC_FLAG_PASS1;
3145 video_enc->flags |= CODEC_FLAG_PASS2;
3151 /* reset some key parameters */
3153 av_freep(&video_codec_name);
3154 video_stream_copy = 0;
3157 static void new_audio_stream(AVFormatContext *oc)
3160 AVCodecContext *audio_enc;
3163 st = av_new_stream(oc, oc->nb_streams);
3165 fprintf(stderr, "Could not alloc stream\n");
3168 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3170 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3171 audio_bitstream_filters= NULL;
3174 avcodec_thread_init(st->codec, thread_count);
3176 audio_enc = st->codec;
3177 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3180 audio_enc->codec_tag= audio_codec_tag;
3182 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3183 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3184 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3186 if (audio_stream_copy) {
3187 st->stream_copy = 1;
3188 audio_enc->channels = audio_channels;
3192 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3194 if (audio_codec_name) {
3195 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3196 codec = avcodec_find_encoder_by_name(audio_codec_name);
3197 output_codecs[nb_ocodecs] = codec;
3199 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3200 codec = avcodec_find_encoder(codec_id);
3202 audio_enc->codec_id = codec_id;
3204 if (audio_qscale > QSCALE_NONE) {
3205 audio_enc->flags |= CODEC_FLAG_QSCALE;
3206 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3208 audio_enc->thread_count = thread_count;
3209 audio_enc->channels = audio_channels;
3210 audio_enc->sample_fmt = audio_sample_fmt;
3211 audio_enc->channel_layout = channel_layout;
3212 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3213 audio_enc->channel_layout = 0;
3215 if(codec && codec->sample_fmts){
3216 const enum SampleFormat *p= codec->sample_fmts;
3218 if(*p == audio_enc->sample_fmt)
3222 audio_enc->sample_fmt = codec->sample_fmts[0];
3226 audio_enc->sample_rate = audio_sample_rate;
3227 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3228 if (audio_language) {
3229 av_metadata_set(&st->metadata, "language", audio_language);
3230 av_free(audio_language);
3231 audio_language = NULL;
3234 /* reset some key parameters */
3236 av_freep(&audio_codec_name);
3237 audio_stream_copy = 0;
3240 static void new_subtitle_stream(AVFormatContext *oc)
3243 AVCodecContext *subtitle_enc;
3245 st = av_new_stream(oc, oc->nb_streams);
3247 fprintf(stderr, "Could not alloc stream\n");
3250 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3252 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3253 subtitle_bitstream_filters= NULL;
3255 subtitle_enc = st->codec;
3256 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3258 if(subtitle_codec_tag)
3259 subtitle_enc->codec_tag= subtitle_codec_tag;
3261 if (subtitle_stream_copy) {
3262 st->stream_copy = 1;
3264 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3265 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3266 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3270 if (subtitle_language) {
3271 av_metadata_set(&st->metadata, "language", subtitle_language);
3272 av_free(subtitle_language);
3273 subtitle_language = NULL;
3276 subtitle_disable = 0;
3277 av_freep(&subtitle_codec_name);
3278 subtitle_stream_copy = 0;
3281 static void opt_new_audio_stream(void)
3283 AVFormatContext *oc;
3284 if (nb_output_files <= 0) {
3285 fprintf(stderr, "At least one output file must be specified\n");
3288 oc = output_files[nb_output_files - 1];
3289 new_audio_stream(oc);
3292 static void opt_new_video_stream(void)
3294 AVFormatContext *oc;
3295 if (nb_output_files <= 0) {
3296 fprintf(stderr, "At least one output file must be specified\n");
3299 oc = output_files[nb_output_files - 1];
3300 new_video_stream(oc);
3303 static void opt_new_subtitle_stream(void)
3305 AVFormatContext *oc;
3306 if (nb_output_files <= 0) {
3307 fprintf(stderr, "At least one output file must be specified\n");
3310 oc = output_files[nb_output_files - 1];
3311 new_subtitle_stream(oc);
3314 static void opt_output_file(const char *filename)
3316 AVFormatContext *oc;
3317 int use_video, use_audio, use_subtitle;
3318 int input_has_video, input_has_audio, input_has_subtitle;
3319 AVFormatParameters params, *ap = ¶ms;
3321 if (!strcmp(filename, "-"))
3324 oc = avformat_alloc_context();
3326 if (!file_oformat) {
3327 file_oformat = guess_format(NULL, filename, NULL);
3328 if (!file_oformat) {
3329 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3335 oc->oformat = file_oformat;
3336 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3338 if (!strcmp(file_oformat->name, "ffm") &&
3339 av_strstart(filename, "http:", NULL)) {
3340 /* special case for files sent to ffserver: we get the stream
3341 parameters from ffserver */
3342 int err = read_ffserver_streams(oc, filename);
3344 print_error(filename, err);
3348 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3349 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3350 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3352 /* disable if no corresponding type found and at least one
3354 if (nb_input_files > 0) {
3355 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3356 &input_has_subtitle);
3357 if (!input_has_video)
3359 if (!input_has_audio)
3361 if (!input_has_subtitle)
3365 /* manual disable */
3366 if (audio_disable) {
3369 if (video_disable) {
3372 if (subtitle_disable) {
3377 new_video_stream(oc);
3381 new_audio_stream(oc);
3385 new_subtitle_stream(oc);
3388 oc->timestamp = rec_timestamp;
3390 for(; metadata_count>0; metadata_count--){
3391 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3392 metadata[metadata_count-1].value);
3394 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3397 output_files[nb_output_files++] = oc;
3399 /* check filename in case of an image number is expected */
3400 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3401 if (!av_filename_number_test(oc->filename)) {
3402 print_error(oc->filename, AVERROR_NUMEXPECTED);
3407 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3408 /* test if it already exists to avoid loosing precious files */
3409 if (!file_overwrite &&
3410 (strchr(filename, ':') == NULL ||
3411 filename[1] == ':' ||
3412 av_strstart(filename, "file:", NULL))) {
3413 if (url_exist(filename)) {
3415 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3417 if (!read_yesno()) {
3418 fprintf(stderr, "Not overwriting - exiting\n");
3423 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3430 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3431 fprintf(stderr, "Could not open '%s'\n", filename);
3436 memset(ap, 0, sizeof(*ap));
3437 if (av_set_parameters(oc, ap) < 0) {
3438 fprintf(stderr, "%s: Invalid encoding parameters\n",
3443 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3444 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3445 oc->loop_output = loop_output;
3446 oc->flags |= AVFMT_FLAG_NONBLOCK;
3448 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3450 /* reset some options */
3451 file_oformat = NULL;
3452 file_iformat = NULL;
3455 /* same option as mencoder */
3456 static void opt_pass(const char *pass_str)
3459 pass = atoi(pass_str);
3460 if (pass != 1 && pass != 2) {
3461 fprintf(stderr, "pass number can be only 1 or 2\n");
3467 static int64_t getutime(void)
3470 struct rusage rusage;
3472 getrusage(RUSAGE_SELF, &rusage);
3473 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3474 #elif HAVE_GETPROCESSTIMES
3476 FILETIME c, e, k, u;
3477 proc = GetCurrentProcess();
3478 GetProcessTimes(proc, &c, &e, &k, &u);
3479 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3481 return av_gettime();
3485 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3488 const char *p = str;
3495 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3502 static void opt_inter_matrix(const char *arg)
3504 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3505 parse_matrix_coeffs(inter_matrix, arg);
3508 static void opt_intra_matrix(const char *arg)
3510 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3511 parse_matrix_coeffs(intra_matrix, arg);
3515 * Trivial log callback.
3516 * Only suitable for show_help and similar since it lacks prefix handling.
3518 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3520 vfprintf(stdout, fmt, vl);
3523 static void show_help(void)
3525 av_log_set_callback(log_callback_help);
3526 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3527 "Hyper fast Audio and Video encoder\n");
3529 show_help_options(options, "Main options:\n",
3530 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3531 show_help_options(options, "\nAdvanced options:\n",
3532 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3534 show_help_options(options, "\nVideo options:\n",
3535 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3537 show_help_options(options, "\nAdvanced Video options:\n",
3538 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3539 OPT_VIDEO | OPT_EXPERT);
3540 show_help_options(options, "\nAudio options:\n",
3541 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3543 show_help_options(options, "\nAdvanced Audio options:\n",
3544 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3545 OPT_AUDIO | OPT_EXPERT);
3546 show_help_options(options, "\nSubtitle options:\n",
3547 OPT_SUBTITLE | OPT_GRAB,
3549 show_help_options(options, "\nAudio/Video grab options:\n",
3553 av_opt_show(avcodec_opts[0], NULL);
3555 av_opt_show(avformat_opts, NULL);
3557 av_opt_show(sws_opts, NULL);
3560 static void opt_target(const char *arg)
3563 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3565 if(!strncmp(arg, "pal-", 4)) {
3568 } else if(!strncmp(arg, "ntsc-", 5)) {
3571 } else if(!strncmp(arg, "film-", 5)) {
3576 /* Calculate FR via float to avoid int overflow */
3577 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3580 } else if((fr == 29970) || (fr == 23976)) {
3583 /* Try to determine PAL/NTSC by peeking in the input files */
3584 if(nb_input_files) {
3586 for(j = 0; j < nb_input_files; j++) {
3587 for(i = 0; i < input_files[j]->nb_streams; i++) {
3588 AVCodecContext *c = input_files[j]->streams[i]->codec;
3589 if(c->codec_type != CODEC_TYPE_VIDEO)
3591 fr = c->time_base.den * 1000 / c->time_base.num;
3595 } else if((fr == 29970) || (fr == 23976)) {
3605 if(verbose && norm >= 0)
3606 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3610 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3611 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3612 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3616 if(!strcmp(arg, "vcd")) {
3618 opt_video_codec("mpeg1video");
3619 opt_audio_codec("mp2");
3622 opt_frame_size(norm ? "352x240" : "352x288");
3623 opt_frame_rate(NULL, frame_rates[norm]);
3624 opt_default("gop", norm ? "18" : "15");
3626 opt_default("b", "1150000");
3627 opt_default("maxrate", "1150000");
3628 opt_default("minrate", "1150000");
3629 opt_default("bufsize", "327680"); // 40*1024*8;
3631 opt_default("ab", "224000");
3632 audio_sample_rate = 44100;
3635 opt_default("packetsize", "2324");
3636 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3638 /* We have to offset the PTS, so that it is consistent with the SCR.
3639 SCR starts at 36000, but the first two packs contain only padding
3640 and the first pack from the other stream, respectively, may also have
3641 been written before.
3642 So the real data starts at SCR 36000+3*1200. */
3643 mux_preload= (36000+3*1200) / 90000.0; //0.44
3644 } else if(!strcmp(arg, "svcd")) {
3646 opt_video_codec("mpeg2video");
3647 opt_audio_codec("mp2");
3650 opt_frame_size(norm ? "480x480" : "480x576");
3651 opt_frame_rate(NULL, frame_rates[norm]);
3652 opt_default("gop", norm ? "18" : "15");
3654 opt_default("b", "2040000");
3655 opt_default("maxrate", "2516000");
3656 opt_default("minrate", "0"); //1145000;
3657 opt_default("bufsize", "1835008"); //224*1024*8;
3658 opt_default("flags", "+scan_offset");
3661 opt_default("ab", "224000");
3662 audio_sample_rate = 44100;
3664 opt_default("packetsize", "2324");
3666 } else if(!strcmp(arg, "dvd")) {
3668 opt_video_codec("mpeg2video");
3669 opt_audio_codec("ac3");
3672 opt_frame_size(norm ? "720x480" : "720x576");
3673 opt_frame_rate(NULL, frame_rates[norm]);
3674 opt_default("gop", norm ? "18" : "15");
3676 opt_default("b", "6000000");
3677 opt_default("maxrate", "9000000");
3678 opt_default("minrate", "0"); //1500000;
3679 opt_default("bufsize", "1835008"); //224*1024*8;
3681 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3682 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3684 opt_default("ab", "448000");
3685 audio_sample_rate = 48000;
3687 } else if(!strncmp(arg, "dv", 2)) {
3691 opt_frame_size(norm ? "720x480" : "720x576");
3692 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3693 (norm ? "yuv411p" : "yuv420p"));
3694 opt_frame_rate(NULL, frame_rates[norm]);
3696 audio_sample_rate = 48000;
3700 fprintf(stderr, "Unknown target: %s\n", arg);
3705 static void opt_vstats_file (const char *arg)
3707 av_free (vstats_filename);
3708 vstats_filename=av_strdup (arg);
3711 static void opt_vstats (void)
3714 time_t today2 = time(NULL);
3715 struct tm *today = localtime(&today2);
3717 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3719 opt_vstats_file(filename);
3722 static int opt_bsf(const char *opt, const char *arg)
3724 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3725 AVBitStreamFilterContext **bsfp;
3728 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3732 bsfp= *opt == 'v' ? &video_bitstream_filters :
3733 *opt == 'a' ? &audio_bitstream_filters :
3734 &subtitle_bitstream_filters;
3736 bsfp= &(*bsfp)->next;
3743 static int opt_preset(const char *opt, const char *arg)
3746 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3748 const char *base[2]= { getenv("HOME"),
3752 for(i=!base[0]; i<2 && !f; i++){
3753 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3754 f= fopen(filename, "r");
3756 char *codec_name= *opt == 'v' ? video_codec_name :
3757 *opt == 'a' ? audio_codec_name :
3758 subtitle_codec_name;
3759 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3760 f= fopen(filename, "r");
3763 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3765 av_strlcpy(filename, arg, sizeof(filename));
3766 f= fopen(filename, "r");
3770 fprintf(stderr, "File for preset '%s' not found\n", arg);
3775 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3776 if(line[0] == '#' && !e)
3778 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3780 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3783 if(!strcmp(tmp, "acodec")){
3784 opt_audio_codec(tmp2);
3785 }else if(!strcmp(tmp, "vcodec")){
3786 opt_video_codec(tmp2);
3787 }else if(!strcmp(tmp, "scodec")){
3788 opt_subtitle_codec(tmp2);
3789 }else if(opt_default(tmp, tmp2) < 0){
3790 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3800 static const OptionDef options[] = {
3802 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3803 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3804 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3805 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3806 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3807 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3808 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3809 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3810 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3811 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3812 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3813 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3814 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3815 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3816 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3817 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3818 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3819 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3820 "add timings for benchmarking" },
3821 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3822 "dump each input packet" },
3823 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3824 "when dumping packets, also dump the payload" },
3825 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3826 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3827 { "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)", "" },
3828 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3829 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3830 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3831 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3832 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3833 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3834 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3835 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3836 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3837 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3838 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3839 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3840 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3841 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3844 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3845 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3846 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3847 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3848 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3849 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3850 { "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" },
3851 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3852 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3853 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3854 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3855 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3856 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3857 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3858 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3859 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3860 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3861 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3862 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3863 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3864 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3865 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3866 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3867 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3868 "use same video quality as source (implies VBR)" },
3869 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3870 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3871 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3872 "deinterlace pictures" },
3873 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3874 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3875 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3876 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3877 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3878 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3879 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3880 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3881 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3882 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3883 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3886 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3887 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3888 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3889 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3890 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3891 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3892 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3893 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3894 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3895 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3896 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3897 { "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" },
3899 /* subtitle options */
3900 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3901 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3902 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3903 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3904 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3907 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3908 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3909 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3912 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3913 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3915 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3916 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3917 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3919 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3920 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3921 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3923 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3927 int main(int argc, char **argv)
3932 avcodec_register_all();
3933 avdevice_register_all();
3936 if(isatty(STDIN_FILENO))
3937 url_set_interrupt_cb(decode_interrupt_cb);
3939 for(i=0; i<CODEC_TYPE_NB; i++){
3940 avcodec_opts[i]= avcodec_alloc_context2(i);
3942 avformat_opts = avformat_alloc_context();
3943 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3948 parse_options(argc, argv, options, opt_output_file);
3950 /* file converter / grab */
3951 if (nb_output_files <= 0) {
3952 fprintf(stderr, "At least one output file must be specified\n");
3956 if (nb_input_files == 0) {
3957 fprintf(stderr, "At least one input file must be specified\n");
3962 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3963 stream_maps, nb_stream_maps) < 0)
3965 ti = getutime() - ti;
3967 printf("bench: utime=%0.3fs\n", ti / 1000000.0);