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 "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
43 #if HAVE_SYS_RESOURCE_H
44 #include <sys/types.h>
45 #include <sys/resource.h>
46 #elif HAVE_GETPROCESSTIMES
51 #include <sys/select.h>
56 #include <sys/ioctl.h>
62 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
72 const char program_name[] = "FFmpeg";
73 const int program_birth_year = 2000;
75 /* select an input stream for an output stream */
76 typedef struct AVStreamMap {
80 int sync_stream_index;
83 /** select an input file for an output file */
84 typedef struct AVMetaDataMap {
89 static const OptionDef options[];
93 static AVFormatContext *input_files[MAX_FILES];
94 static int64_t input_files_ts_offset[MAX_FILES];
95 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
96 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
97 static int nb_input_files = 0;
98 static int nb_icodecs;
100 static AVFormatContext *output_files[MAX_FILES];
101 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
102 static int nb_output_files = 0;
103 static int nb_ocodecs;
105 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
106 static int nb_stream_maps;
108 static AVMetaDataMap meta_data_maps[MAX_FILES];
109 static int nb_meta_data_maps;
111 static AVInputFormat *file_iformat;
112 static AVOutputFormat *file_oformat;
113 static int frame_width = 0;
114 static int frame_height = 0;
115 static float frame_aspect_ratio = 0;
116 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 static int frame_padtop = 0;
119 static int frame_padbottom = 0;
120 static int frame_padleft = 0;
121 static int frame_padright = 0;
122 static int padcolor[3] = {16,128,128}; /* default to black */
123 static int frame_topBand = 0;
124 static int frame_bottomBand = 0;
125 static int frame_leftBand = 0;
126 static int frame_rightBand = 0;
127 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 static AVRational frame_rate;
129 static float video_qscale = 0;
130 static uint16_t *intra_matrix = NULL;
131 static uint16_t *inter_matrix = NULL;
132 #if 0 //experimental, (can be removed)
133 static float video_rc_qsquish=1.0;
134 static float video_rc_qmod_amp=0;
135 static int video_rc_qmod_freq=0;
137 static const char *video_rc_override_string=NULL;
138 static int video_disable = 0;
139 static int video_discard = 0;
140 static char *video_codec_name = NULL;
141 static int video_codec_tag = 0;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int loop_input = 0;
148 static int loop_output = AVFMT_NOOUTPUTLOOP;
149 static int qp_hist = 0;
151 static int intra_only = 0;
152 static int audio_sample_rate = 44100;
153 static int64_t channel_layout = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 1;
158 static char *audio_codec_name = NULL;
159 static int audio_codec_tag = 0;
160 static char *audio_language = NULL;
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static int subtitle_codec_tag = 0;
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
197 static int rate_emu = 0;
199 static int video_channel = 0;
200 static char *video_standard;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = 0;
216 static int force_fps = 0;
218 static int pgmyuv_compatibility_hack=0;
219 static float dts_delta_threshold = 10;
221 static unsigned int sws_flags = SWS_BICUBIC;
223 static int64_t timer_start;
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 static uint8_t *audio_out2;
229 static short *samples;
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238 struct AVInputStream;
240 typedef struct AVOutputStream {
241 int file_index; /* file index */
242 int index; /* stream index in the output file */
243 int source_index; /* AVInputStream index */
244 AVStream *st; /* stream in the output file */
245 int encoding_needed; /* true if encoding needed for this stream */
247 /* input pts and corresponding output pts
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream *sync_ist; /* input stream to sync against */
251 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
254 AVFrame pict_tmp; /* temporary image for resampling */
255 struct SwsContext *img_resample_ctx; /* for image resampling */
259 int topBand; /* cropping area sizes */
263 int padtop; /* padding area sizes */
270 ReSampleContext *resample; /* for audio resampling */
272 AVAudioConvert *reformat_ctx;
273 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
277 typedef struct AVInputStream {
281 int discard; /* true if stream data should be discarded */
282 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
283 int64_t sample_index; /* current sample */
285 int64_t start; /* time when read started */
286 int64_t next_pts; /* synthetic pts for cases where pkt.pts
288 int64_t pts; /* current pts */
289 int is_start; /* is 1 at the start and after a discontinuity */
292 typedef struct AVInputFile {
293 int eof_reached; /* true if eof reached */
294 int ist_index; /* index of first stream in ist_table */
295 int buffer_size; /* current total buffer size */
296 int nb_streams; /* nb streams we are aware of */
301 /* init terminal so that we can grab keys */
302 static struct termios oldtty;
305 static void term_exit(void)
308 tcsetattr (0, TCSANOW, &oldtty);
312 static volatile sig_atomic_t received_sigterm = 0;
315 sigterm_handler(int sig)
317 received_sigterm = sig;
321 static void term_init(void)
329 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
330 |INLCR|IGNCR|ICRNL|IXON);
331 tty.c_oflag |= OPOST;
332 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
333 tty.c_cflag &= ~(CSIZE|PARENB);
338 tcsetattr (0, TCSANOW, &tty);
339 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
342 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
343 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
345 register a function to be called at normal program termination
348 #if CONFIG_BEOS_NETSERVER
349 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
353 /* read a key without blocking */
354 static int read_key(void)
359 #if !CONFIG_BEOS_NETSERVER
367 n = select(1, &rfds, NULL, NULL, &tv);
383 static int decode_interrupt_cb(void)
385 return q_pressed || (q_pressed = read_key() == 'q');
388 static int av_exit(int ret)
393 for(i=0;i<nb_output_files;i++) {
394 /* maybe av_close_output_file ??? */
395 AVFormatContext *s = output_files[i];
397 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
399 for(j=0;j<s->nb_streams;j++) {
400 av_metadata_free(&s->streams[j]->metadata);
401 av_free(s->streams[j]->codec);
402 av_free(s->streams[j]);
404 for(j=0;j<s->nb_programs;j++) {
405 av_metadata_free(&s->programs[j]->metadata);
407 for(j=0;j<s->nb_chapters;j++) {
408 av_metadata_free(&s->chapters[j]->metadata);
410 av_metadata_free(&s->metadata);
413 for(i=0;i<nb_input_files;i++)
414 av_close_input_file(input_files[i]);
416 av_free(intra_matrix);
417 av_free(inter_matrix);
421 av_free(vstats_filename);
425 av_free(video_codec_name);
426 av_free(audio_codec_name);
427 av_free(subtitle_codec_name);
429 av_free(video_standard);
431 #if CONFIG_POWERPC_PERF
432 void powerpc_display_perf_report(void);
433 powerpc_display_perf_report();
434 #endif /* CONFIG_POWERPC_PERF */
436 for (i=0;i<CODEC_TYPE_NB;i++)
437 av_free(avcodec_opts[i]);
438 av_free(avformat_opts);
445 if (received_sigterm) {
447 "Received signal %d: terminating.\n",
448 (int) received_sigterm);
452 exit(ret); /* not all OS-es handle main() return value */
456 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
462 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
465 /* copy stream format */
466 s->nb_streams = ic->nb_streams;
467 for(i=0;i<ic->nb_streams;i++) {
470 // FIXME: a more elegant solution is needed
471 st = av_mallocz(sizeof(AVStream));
472 memcpy(st, ic->streams[i], sizeof(AVStream));
473 st->codec = avcodec_alloc_context();
474 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
477 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
479 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
482 if(!st->codec->thread_count)
483 st->codec->thread_count = 1;
484 if(st->codec->thread_count>1)
485 avcodec_thread_init(st->codec, st->codec->thread_count);
487 if(st->codec->flags & CODEC_FLAG_BITEXACT)
492 s->timestamp = av_gettime();
494 av_close_input_file(ic);
499 get_sync_ipts(const AVOutputStream *ost)
501 const AVInputStream *ist = ost->sync_ist;
502 return (double)(ist->pts - start_time)/AV_TIME_BASE;
505 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
509 AVPacket new_pkt= *pkt;
510 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
511 &new_pkt.data, &new_pkt.size,
512 pkt->data, pkt->size,
513 pkt->flags & PKT_FLAG_KEY);
516 new_pkt.destruct= av_destruct_packet;
518 fprintf(stderr, "%s failed for stream %d, codec %s",
519 bsfc->filter->name, pkt->stream_index,
520 avctx->codec ? avctx->codec->name : "copy");
530 ret= av_interleaved_write_frame(s, pkt);
532 print_error("av_interleaved_write_frame()", ret);
537 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
539 static void do_audio_out(AVFormatContext *s,
542 unsigned char *buf, int size)
545 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
547 int size_out, frame_bytes, ret;
548 AVCodecContext *enc= ost->st->codec;
549 AVCodecContext *dec= ist->st->codec;
550 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
551 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
553 /* SC: dynamic allocation of buffers */
555 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
557 audio_out = av_malloc(audio_out_size);
558 if (!audio_buf || !audio_out)
559 return; /* Should signal an error ! */
561 if (enc->channels != dec->channels)
562 ost->audio_resample = 1;
564 if (ost->audio_resample && !ost->resample) {
565 if (dec->sample_fmt != SAMPLE_FMT_S16)
566 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
567 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
568 enc->sample_rate, dec->sample_rate,
569 enc->sample_fmt, dec->sample_fmt,
571 if (!ost->resample) {
572 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
573 dec->channels, dec->sample_rate,
574 enc->channels, enc->sample_rate);
579 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
580 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
581 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
583 audio_out2 = av_malloc(audio_out_size);
586 if (ost->reformat_ctx)
587 av_audio_convert_free(ost->reformat_ctx);
588 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
589 dec->sample_fmt, 1, NULL, 0);
590 if (!ost->reformat_ctx) {
591 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
592 avcodec_get_sample_fmt_name(dec->sample_fmt),
593 avcodec_get_sample_fmt_name(enc->sample_fmt));
596 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
599 if(audio_sync_method){
600 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
601 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
602 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
603 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
605 //FIXME resample delay
606 if(fabs(delta) > 50){
607 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
609 byte_delta= FFMAX(byte_delta, -size);
613 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
618 static uint8_t *input_tmp= NULL;
619 input_tmp= av_realloc(input_tmp, byte_delta + size);
621 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
624 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
626 memset(input_tmp, 0, byte_delta);
627 memcpy(input_tmp + byte_delta, buf, size);
631 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
633 }else if(audio_sync_method>1){
634 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
635 assert(ost->audio_resample);
637 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
638 // 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));
639 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
643 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
644 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
646 if (ost->audio_resample) {
648 size_out = audio_resample(ost->resample,
649 (short *)buftmp, (short *)buf,
650 size / (ist->st->codec->channels * isize));
651 size_out = size_out * enc->channels * osize;
657 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
658 const void *ibuf[6]= {buftmp};
659 void *obuf[6]= {audio_out2};
660 int istride[6]= {isize};
661 int ostride[6]= {osize};
662 int len= size_out/istride[0];
663 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
664 printf("av_audio_convert() failed\n");
670 size_out = len*osize;
673 /* now encode as many frames as possible */
674 if (enc->frame_size > 1) {
675 /* output resampled raw samples */
676 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
677 fprintf(stderr, "av_fifo_realloc2() failed\n");
680 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
682 frame_bytes = enc->frame_size * osize * enc->channels;
684 while (av_fifo_size(ost->fifo) >= frame_bytes) {
686 av_init_packet(&pkt);
688 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
690 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
692 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
695 fprintf(stderr, "Audio encoding failed\n");
699 pkt.stream_index= ost->index;
702 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
703 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
704 pkt.flags |= PKT_FLAG_KEY;
705 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
707 ost->sync_opts += enc->frame_size;
711 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
712 av_init_packet(&pkt);
714 ost->sync_opts += size_out / (osize * enc->channels);
716 /* output a pcm frame */
717 /* determine the size of the coded buffer */
720 size_out *= coded_bps;
722 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
723 ret = avcodec_encode_audio(enc, audio_out, size_out,
726 fprintf(stderr, "Audio encoding failed\n");
730 pkt.stream_index= ost->index;
733 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
734 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
735 pkt.flags |= PKT_FLAG_KEY;
736 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
740 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
744 AVPicture picture_tmp;
747 dec = ist->st->codec;
749 /* deinterlace : must be done before any resize */
750 if (do_deinterlace) {
753 /* create temporary picture */
754 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
755 buf = av_malloc(size);
759 picture2 = &picture_tmp;
760 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
763 if(avpicture_deinterlace(picture2, picture,
764 dec->pix_fmt, dec->width, dec->height) < 0) {
765 /* if error, do not deinterlace */
766 fprintf(stderr, "Deinterlacing failed\n");
772 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
778 if (picture != picture2)
779 *picture = *picture2;
783 /* we begin to correct av delay at this threshold */
784 #define AV_DELAY_MAX 0.100
786 static void do_subtitle_out(AVFormatContext *s,
792 static uint8_t *subtitle_out = NULL;
793 int subtitle_out_max_size = 65536;
794 int subtitle_out_size, nb, i;
798 if (pts == AV_NOPTS_VALUE) {
799 fprintf(stderr, "Subtitle packets must have a pts\n");
805 enc = ost->st->codec;
808 subtitle_out = av_malloc(subtitle_out_max_size);
811 /* Note: DVB subtitle need one packet to draw them and one other
812 packet to clear them */
813 /* XXX: signal it in the codec context ? */
814 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
819 for(i = 0; i < nb; i++) {
820 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
821 subtitle_out_max_size, sub);
823 av_init_packet(&pkt);
824 pkt.stream_index = ost->index;
825 pkt.data = subtitle_out;
826 pkt.size = subtitle_out_size;
827 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
828 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
829 /* XXX: the pts correction is handled here. Maybe handling
830 it in the codec would be better */
832 pkt.pts += 90 * sub->start_display_time;
834 pkt.pts += 90 * sub->end_display_time;
836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
840 static int bit_buffer_size= 1024*256;
841 static uint8_t *bit_buffer= NULL;
843 static void do_video_out(AVFormatContext *s,
849 int nb_frames, i, ret;
850 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
851 AVFrame picture_crop_temp, picture_pad_temp;
852 AVCodecContext *enc, *dec;
854 avcodec_get_frame_defaults(&picture_crop_temp);
855 avcodec_get_frame_defaults(&picture_pad_temp);
857 enc = ost->st->codec;
858 dec = ist->st->codec;
860 /* by default, we output a single frame */
865 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
867 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
868 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
871 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
875 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
876 }else if (vdelta > 1.1)
877 nb_frames = lrintf(vdelta);
878 //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);
882 fprintf(stderr, "*** drop!\n");
883 }else if (nb_frames > 1) {
884 nb_frames_dup += nb_frames;
886 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
889 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
891 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
895 if (ost->video_crop) {
896 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
897 fprintf(stderr, "error cropping picture\n");
902 formatted_picture = &picture_crop_temp;
904 formatted_picture = in_picture;
907 final_picture = formatted_picture;
908 padding_src = formatted_picture;
909 resampling_dst = &ost->pict_tmp;
910 if (ost->video_pad) {
911 final_picture = &ost->pict_tmp;
912 if (ost->video_resample) {
913 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
914 fprintf(stderr, "error padding picture\n");
919 resampling_dst = &picture_pad_temp;
923 if (ost->video_resample) {
925 final_picture = &ost->pict_tmp;
926 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
927 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
930 if (ost->video_pad) {
931 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
932 enc->height, enc->width, enc->pix_fmt,
933 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
936 /* duplicates frame if needed */
937 for(i=0;i<nb_frames;i++) {
939 av_init_packet(&pkt);
940 pkt.stream_index= ost->index;
942 if (s->oformat->flags & AVFMT_RAWPICTURE) {
943 /* raw pictures are written as AVPicture structure to
944 avoid any copies. We support temorarily the older
946 AVFrame* old_frame = enc->coded_frame;
947 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
948 pkt.data= (uint8_t *)final_picture;
949 pkt.size= sizeof(AVPicture);
950 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
951 pkt.flags |= PKT_FLAG_KEY;
953 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
954 enc->coded_frame = old_frame;
958 big_picture= *final_picture;
959 /* better than nothing: use input picture interlaced
961 big_picture.interlaced_frame = in_picture->interlaced_frame;
962 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
963 if(top_field_first == -1)
964 big_picture.top_field_first = in_picture->top_field_first;
966 big_picture.top_field_first = top_field_first;
969 /* handles sameq here. This is not correct because it may
970 not be a global option */
972 big_picture.quality = ist->st->quality;
974 big_picture.quality = ost->st->quality;
976 big_picture.pict_type = 0;
977 // big_picture.pts = AV_NOPTS_VALUE;
978 big_picture.pts= ost->sync_opts;
979 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
980 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
981 ret = avcodec_encode_video(enc,
982 bit_buffer, bit_buffer_size,
985 fprintf(stderr, "Video encoding failed\n");
988 //enc->frame_number = enc->real_pict_num;
990 pkt.data= bit_buffer;
992 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
993 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
994 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
995 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
996 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
998 if(enc->coded_frame->key_frame)
999 pkt.flags |= PKT_FLAG_KEY;
1000 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1003 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1004 // enc->frame_number-1, enc->real_pict_num, ret,
1006 /* if two pass, output log */
1007 if (ost->logfile && enc->stats_out) {
1008 fprintf(ost->logfile, "%s", enc->stats_out);
1013 ost->frame_number++;
1017 static double psnr(double d){
1018 return -10.0*log(d)/log(10.0);
1021 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1024 AVCodecContext *enc;
1026 double ti1, bitrate, avg_bitrate;
1028 /* this is executed just the first time do_video_stats is called */
1030 vstats_file = fopen(vstats_filename, "w");
1037 enc = ost->st->codec;
1038 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1039 frame_number = ost->frame_number;
1040 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1041 if (enc->flags&CODEC_FLAG_PSNR)
1042 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1044 fprintf(vstats_file,"f_size= %6d ", frame_size);
1045 /* compute pts value */
1046 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1050 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1051 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1052 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1053 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1054 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1058 static void print_report(AVFormatContext **output_files,
1059 AVOutputStream **ost_table, int nb_ostreams,
1063 AVOutputStream *ost;
1064 AVFormatContext *oc;
1066 AVCodecContext *enc;
1067 int frame_number, vid, i;
1068 double bitrate, ti1, pts;
1069 static int64_t last_time = -1;
1070 static int qp_histogram[52];
1072 if (!is_last_report) {
1074 /* display the report every 0.5 seconds */
1075 cur_time = av_gettime();
1076 if (last_time == -1) {
1077 last_time = cur_time;
1080 if ((cur_time - last_time) < 500000)
1082 last_time = cur_time;
1086 oc = output_files[0];
1088 total_size = url_fsize(oc->pb);
1089 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1090 total_size= url_ftell(oc->pb);
1095 for(i=0;i<nb_ostreams;i++) {
1097 enc = ost->st->codec;
1098 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1099 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1100 !ost->st->stream_copy ?
1101 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1103 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1104 float t = (av_gettime()-timer_start) / 1000000.0;
1106 frame_number = ost->frame_number;
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1108 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1109 !ost->st->stream_copy ?
1110 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1115 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1116 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1121 if (enc->flags&CODEC_FLAG_PSNR){
1123 double error, error_sum=0;
1124 double scale, scale_sum=0;
1125 char type[3]= {'Y','U','V'};
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1129 error= enc->error[j];
1130 scale= enc->width*enc->height*255.0*255.0*frame_number;
1132 error= enc->coded_frame->error[j];
1133 scale= enc->width*enc->height*255.0*255.0;
1138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1144 /* compute min output value */
1145 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1146 if ((pts < ti1) && (pts > 0))
1152 if (verbose || is_last_report) {
1153 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1156 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1157 (double)total_size / 1024, ti1, bitrate);
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1161 nb_frames_dup, nb_frames_drop);
1164 fprintf(stderr, "%s \r", buf);
1169 if (is_last_report && verbose >= 0){
1170 int64_t raw= audio_size + video_size + extra_size;
1171 fprintf(stderr, "\n");
1172 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1176 100.0*(total_size - raw)/raw
1181 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1182 static int output_packet(AVInputStream *ist, int ist_index,
1183 AVOutputStream **ost_table, int nb_ostreams,
1184 const AVPacket *pkt)
1186 AVFormatContext *os;
1187 AVOutputStream *ost;
1190 int data_size, got_picture;
1192 void *buffer_to_free;
1193 static unsigned int samples_size= 0;
1194 AVSubtitle subtitle, *subtitle_to_free;
1198 if(ist->next_pts == AV_NOPTS_VALUE)
1199 ist->next_pts= ist->pts;
1203 av_init_packet(&avpkt);
1211 if(pkt->dts != AV_NOPTS_VALUE)
1212 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1214 //while we have more to decode or while the decoder did output something on EOF
1215 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1217 ist->pts= ist->next_pts;
1219 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1220 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1222 /* decode the packet if needed */
1223 data_buf = NULL; /* fail safe */
1225 subtitle_to_free = NULL;
1226 if (ist->decoding_needed) {
1227 switch(ist->st->codec->codec_type) {
1228 case CODEC_TYPE_AUDIO:{
1229 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1230 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1232 samples= av_malloc(samples_size);
1234 data_size= samples_size;
1235 /* XXX: could avoid copy if PCM 16 bits with same
1236 endianness as CPU */
1237 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1243 /* Some bug in mpeg audio decoder gives */
1244 /* data_size < 0, it seems they are overflows */
1245 if (data_size <= 0) {
1246 /* no audio frame */
1249 data_buf = (uint8_t *)samples;
1250 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1251 (ist->st->codec->sample_rate * ist->st->codec->channels);
1253 case CODEC_TYPE_VIDEO:
1254 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1255 /* XXX: allocate picture correctly */
1256 avcodec_get_frame_defaults(&picture);
1258 ret = avcodec_decode_video2(ist->st->codec,
1259 &picture, &got_picture, &avpkt);
1260 ist->st->quality= picture.quality;
1264 /* no picture yet */
1265 goto discard_packet;
1267 if (ist->st->codec->time_base.num != 0) {
1268 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1269 ist->next_pts += ((int64_t)AV_TIME_BASE *
1270 ist->st->codec->time_base.num * ticks) /
1271 ist->st->codec->time_base.den;
1275 case CODEC_TYPE_SUBTITLE:
1276 ret = avcodec_decode_subtitle2(ist->st->codec,
1277 &subtitle, &got_subtitle, &avpkt);
1280 if (!got_subtitle) {
1281 goto discard_packet;
1283 subtitle_to_free = &subtitle;
1290 switch(ist->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1293 ist->st->codec->sample_rate;
1295 case CODEC_TYPE_VIDEO:
1296 if (ist->st->codec->time_base.num != 0) {
1297 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1298 ist->next_pts += ((int64_t)AV_TIME_BASE *
1299 ist->st->codec->time_base.num * ticks) /
1300 ist->st->codec->time_base.den;
1304 data_buf = avpkt.data;
1305 data_size = avpkt.size;
1310 buffer_to_free = NULL;
1311 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1312 pre_process_video_frame(ist, (AVPicture *)&picture,
1316 // preprocess audio (volume)
1317 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1318 if (audio_volume != 256) {
1321 for(i=0;i<(data_size / sizeof(short));i++) {
1322 int v = ((*volp) * audio_volume + 128) >> 8;
1323 if (v < -32768) v = -32768;
1324 if (v > 32767) v = 32767;
1330 /* frame rate emulation */
1332 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1333 int64_t now = av_gettime() - ist->start;
1338 /* if output time reached then transcode raw format,
1339 encode packets and output them */
1340 if (start_time == 0 || ist->pts >= start_time)
1341 for(i=0;i<nb_ostreams;i++) {
1345 if (ost->source_index == ist_index) {
1346 os = output_files[ost->file_index];
1349 printf("%d: got pts=%0.3f %0.3f\n", i,
1350 (double)pkt->pts / AV_TIME_BASE,
1351 ((double)ist->pts / AV_TIME_BASE) -
1352 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1354 /* set the input output pts pairs */
1355 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1357 if (ost->encoding_needed) {
1358 switch(ost->st->codec->codec_type) {
1359 case CODEC_TYPE_AUDIO:
1360 do_audio_out(os, ost, ist, data_buf, data_size);
1362 case CODEC_TYPE_VIDEO:
1363 do_video_out(os, ost, ist, &picture, &frame_size);
1364 if (vstats_filename && frame_size)
1365 do_video_stats(os, ost, frame_size);
1367 case CODEC_TYPE_SUBTITLE:
1368 do_subtitle_out(os, ost, ist, &subtitle,
1375 AVFrame avframe; //FIXME/XXX remove this
1377 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1379 av_init_packet(&opkt);
1381 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1384 /* no reencoding needed : output the packet directly */
1385 /* force the input stream PTS */
1387 avcodec_get_frame_defaults(&avframe);
1388 ost->st->codec->coded_frame= &avframe;
1389 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1391 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1392 audio_size += data_size;
1393 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1394 video_size += data_size;
1398 opkt.stream_index= ost->index;
1399 if(pkt->pts != AV_NOPTS_VALUE)
1400 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1402 opkt.pts= AV_NOPTS_VALUE;
1404 if (pkt->dts == AV_NOPTS_VALUE)
1405 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1407 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1408 opkt.dts -= ost_tb_start_time;
1410 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1411 opkt.flags= pkt->flags;
1413 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1414 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1415 opkt.destruct= av_destruct_packet;
1417 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1418 ost->st->codec->frame_number++;
1419 ost->frame_number++;
1420 av_free_packet(&opkt);
1424 av_free(buffer_to_free);
1425 /* XXX: allocate the subtitles in the codec ? */
1426 if (subtitle_to_free) {
1427 if (subtitle_to_free->rects != NULL) {
1428 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1429 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1430 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1431 av_freep(&subtitle_to_free->rects[i]);
1433 av_freep(&subtitle_to_free->rects);
1435 subtitle_to_free->num_rects = 0;
1436 subtitle_to_free = NULL;
1443 for(i=0;i<nb_ostreams;i++) {
1445 if (ost->source_index == ist_index) {
1446 AVCodecContext *enc= ost->st->codec;
1447 os = output_files[ost->file_index];
1449 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1451 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1454 if (ost->encoding_needed) {
1458 av_init_packet(&pkt);
1459 pkt.stream_index= ost->index;
1461 switch(ost->st->codec->codec_type) {
1462 case CODEC_TYPE_AUDIO:
1463 fifo_bytes = av_fifo_size(ost->fifo);
1465 /* encode any samples remaining in fifo */
1466 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1467 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1468 int fs_tmp = enc->frame_size;
1469 enc->frame_size = fifo_bytes / (osize * enc->channels);
1470 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1471 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1472 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1473 ost->st->time_base.num, enc->sample_rate);
1474 enc->frame_size = fs_tmp;
1477 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1480 fprintf(stderr, "Audio encoding failed\n");
1484 pkt.flags |= PKT_FLAG_KEY;
1486 case CODEC_TYPE_VIDEO:
1487 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1489 fprintf(stderr, "Video encoding failed\n");
1493 if(enc->coded_frame && enc->coded_frame->key_frame)
1494 pkt.flags |= PKT_FLAG_KEY;
1495 if (ost->logfile && enc->stats_out) {
1496 fprintf(ost->logfile, "%s", enc->stats_out);
1505 pkt.data= bit_buffer;
1507 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1508 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1509 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1521 static void print_sdp(AVFormatContext **avc, int n)
1525 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1526 printf("SDP:\n%s\n", sdp);
1530 static int stream_index_from_inputs(AVFormatContext **input_files,
1532 AVInputFile *file_table,
1533 AVInputStream **ist_table,
1534 enum CodecType type,
1538 for(z=0; z<nb_input_files; z++) {
1539 AVFormatContext *ic = input_files[z];
1540 for(p=0; p<ic->nb_programs; p++) {
1541 AVProgram *program = ic->programs[p];
1542 if(program->id != programid)
1544 for(q=0; q<program->nb_stream_indexes; q++) {
1545 int sidx = program->stream_index[q];
1546 int ris = file_table[z].ist_index + sidx;
1547 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1557 * The following code is the main loop of the file converter
1559 static int av_encode(AVFormatContext **output_files,
1560 int nb_output_files,
1561 AVFormatContext **input_files,
1563 AVStreamMap *stream_maps, int nb_stream_maps)
1565 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1566 AVFormatContext *is, *os;
1567 AVCodecContext *codec, *icodec;
1568 AVOutputStream *ost, **ost_table = NULL;
1569 AVInputStream *ist, **ist_table = NULL;
1570 AVInputFile *file_table;
1574 uint8_t no_packet[MAX_FILES]={0};
1575 int no_packet_count=0;
1577 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1581 /* input stream init */
1583 for(i=0;i<nb_input_files;i++) {
1584 is = input_files[i];
1585 file_table[i].ist_index = j;
1586 file_table[i].nb_streams = is->nb_streams;
1587 j += is->nb_streams;
1591 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1595 for(i=0;i<nb_istreams;i++) {
1596 ist = av_mallocz(sizeof(AVInputStream));
1602 for(i=0;i<nb_input_files;i++) {
1603 is = input_files[i];
1604 for(k=0;k<is->nb_streams;k++) {
1605 ist = ist_table[j++];
1606 ist->st = is->streams[k];
1607 ist->file_index = i;
1609 ist->discard = 1; /* the stream is discarded by default
1613 ist->start = av_gettime();
1618 /* output stream init */
1620 for(i=0;i<nb_output_files;i++) {
1621 os = output_files[i];
1622 if (!os->nb_streams) {
1623 dump_format(output_files[i], i, output_files[i]->filename, 1);
1624 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1627 nb_ostreams += os->nb_streams;
1629 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1630 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1634 /* Sanity check the mapping args -- do the input files & streams exist? */
1635 for(i=0;i<nb_stream_maps;i++) {
1636 int fi = stream_maps[i].file_index;
1637 int si = stream_maps[i].stream_index;
1639 if (fi < 0 || fi > nb_input_files - 1 ||
1640 si < 0 || si > file_table[fi].nb_streams - 1) {
1641 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1644 fi = stream_maps[i].sync_file_index;
1645 si = stream_maps[i].sync_stream_index;
1646 if (fi < 0 || fi > nb_input_files - 1 ||
1647 si < 0 || si > file_table[fi].nb_streams - 1) {
1648 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1653 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1656 for(i=0;i<nb_ostreams;i++) {
1657 ost = av_mallocz(sizeof(AVOutputStream));
1664 for(k=0;k<nb_output_files;k++) {
1665 os = output_files[k];
1666 for(i=0;i<os->nb_streams;i++,n++) {
1669 ost->file_index = k;
1671 ost->st = os->streams[i];
1672 if (nb_stream_maps > 0) {
1673 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1674 stream_maps[n].stream_index;
1676 /* Sanity check that the stream types match */
1677 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1678 int i= ost->file_index;
1679 dump_format(output_files[i], i, output_files[i]->filename, 1);
1680 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1681 stream_maps[n].file_index, stream_maps[n].stream_index,
1682 ost->file_index, ost->index);
1689 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1691 ost->source_index = j;
1695 /* get corresponding input stream index : we select the first one with the right type */
1697 for(j=0;j<nb_istreams;j++) {
1700 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1701 ost->source_index = j;
1709 if(! opt_programid) {
1710 /* try again and reuse existing stream */
1711 for(j=0;j<nb_istreams;j++) {
1713 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1714 ost->source_index = j;
1720 int i= ost->file_index;
1721 dump_format(output_files[i], i, output_files[i]->filename, 1);
1722 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1723 ost->file_index, ost->index);
1728 ist = ist_table[ost->source_index];
1730 ost->sync_ist = (nb_stream_maps > 0) ?
1731 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1732 stream_maps[n].sync_stream_index] : ist;
1736 /* for each output stream, we compute the right encoding parameters */
1737 for(i=0;i<nb_ostreams;i++) {
1738 AVMetadataTag *lang;
1740 os = output_files[ost->file_index];
1741 ist = ist_table[ost->source_index];
1743 codec = ost->st->codec;
1744 icodec = ist->st->codec;
1746 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1747 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1748 av_metadata_set(&ost->st->metadata, "language", lang->value);
1750 ost->st->disposition = ist->st->disposition;
1751 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1752 codec->chroma_sample_location = icodec->chroma_sample_location;
1754 if (ost->st->stream_copy) {
1755 /* if stream_copy is selected, no need to decode or encode */
1756 codec->codec_id = icodec->codec_id;
1757 codec->codec_type = icodec->codec_type;
1759 if(!codec->codec_tag){
1760 if( !os->oformat->codec_tag
1761 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1762 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1763 codec->codec_tag = icodec->codec_tag;
1766 codec->bit_rate = icodec->bit_rate;
1767 codec->extradata= icodec->extradata;
1768 codec->extradata_size= icodec->extradata_size;
1769 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){
1770 codec->time_base = icodec->time_base;
1771 codec->time_base.num *= icodec->ticks_per_frame;
1773 codec->time_base = ist->st->time_base;
1774 switch(codec->codec_type) {
1775 case CODEC_TYPE_AUDIO:
1776 if(audio_volume != 256) {
1777 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1780 codec->channel_layout = icodec->channel_layout;
1781 codec->sample_rate = icodec->sample_rate;
1782 codec->channels = icodec->channels;
1783 codec->frame_size = icodec->frame_size;
1784 codec->block_align= icodec->block_align;
1785 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1786 codec->block_align= 0;
1787 if(codec->codec_id == CODEC_ID_AC3)
1788 codec->block_align= 0;
1790 case CODEC_TYPE_VIDEO:
1791 codec->pix_fmt = icodec->pix_fmt;
1792 codec->width = icodec->width;
1793 codec->height = icodec->height;
1794 codec->has_b_frames = icodec->has_b_frames;
1796 case CODEC_TYPE_SUBTITLE:
1797 codec->width = icodec->width;
1798 codec->height = icodec->height;
1804 switch(codec->codec_type) {
1805 case CODEC_TYPE_AUDIO:
1806 ost->fifo= av_fifo_alloc(1024);
1809 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1810 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1811 icodec->request_channels = codec->channels;
1812 ist->decoding_needed = 1;
1813 ost->encoding_needed = 1;
1815 case CODEC_TYPE_VIDEO:
1816 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1817 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1818 ost->video_resample = ((codec->width != icodec->width -
1819 (frame_leftBand + frame_rightBand) +
1820 (frame_padleft + frame_padright)) ||
1821 (codec->height != icodec->height -
1822 (frame_topBand + frame_bottomBand) +
1823 (frame_padtop + frame_padbottom)) ||
1824 (codec->pix_fmt != icodec->pix_fmt));
1825 if (ost->video_crop) {
1826 ost->topBand = frame_topBand;
1827 ost->leftBand = frame_leftBand;
1829 if (ost->video_pad) {
1830 ost->padtop = frame_padtop;
1831 ost->padleft = frame_padleft;
1832 ost->padbottom = frame_padbottom;
1833 ost->padright = frame_padright;
1834 if (!ost->video_resample) {
1835 avcodec_get_frame_defaults(&ost->pict_tmp);
1836 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1837 codec->width, codec->height))
1841 if (ost->video_resample) {
1842 avcodec_get_frame_defaults(&ost->pict_tmp);
1843 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1844 codec->width, codec->height)) {
1845 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1848 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1849 ost->img_resample_ctx = sws_getContext(
1850 icodec->width - (frame_leftBand + frame_rightBand),
1851 icodec->height - (frame_topBand + frame_bottomBand),
1853 codec->width - (frame_padleft + frame_padright),
1854 codec->height - (frame_padtop + frame_padbottom),
1856 sws_flags, NULL, NULL, NULL);
1857 if (ost->img_resample_ctx == NULL) {
1858 fprintf(stderr, "Cannot get resampling context\n");
1861 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1862 codec->bits_per_raw_sample= 0;
1864 ost->encoding_needed = 1;
1865 ist->decoding_needed = 1;
1867 case CODEC_TYPE_SUBTITLE:
1868 ost->encoding_needed = 1;
1869 ist->decoding_needed = 1;
1876 if (ost->encoding_needed &&
1877 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1878 char logfilename[1024];
1883 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1884 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1886 if (codec->flags & CODEC_FLAG_PASS1) {
1887 f = fopen(logfilename, "w");
1889 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1894 /* read the log file */
1895 f = fopen(logfilename, "r");
1897 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1900 fseek(f, 0, SEEK_END);
1902 fseek(f, 0, SEEK_SET);
1903 logbuffer = av_malloc(size + 1);
1905 fprintf(stderr, "Could not allocate log buffer\n");
1908 size = fread(logbuffer, 1, size, f);
1910 logbuffer[size] = '\0';
1911 codec->stats_in = logbuffer;
1915 if(codec->codec_type == CODEC_TYPE_VIDEO){
1916 int size= codec->width * codec->height;
1917 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1922 bit_buffer = av_malloc(bit_buffer_size);
1924 ret = AVERROR(ENOMEM);
1928 /* open each encoder */
1929 for(i=0;i<nb_ostreams;i++) {
1931 if (ost->encoding_needed) {
1932 AVCodec *codec = output_codecs[i];
1934 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1936 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1937 ost->file_index, ost->index);
1938 ret = AVERROR(EINVAL);
1941 if (avcodec_open(ost->st->codec, codec) < 0) {
1942 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1943 ost->file_index, ost->index);
1944 ret = AVERROR(EINVAL);
1947 extra_size += ost->st->codec->extradata_size;
1951 /* open each decoder */
1952 for(i=0;i<nb_istreams;i++) {
1954 if (ist->decoding_needed) {
1955 AVCodec *codec = input_codecs[i];
1957 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1959 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1960 ist->st->codec->codec_id, ist->file_index, ist->index);
1961 ret = AVERROR(EINVAL);
1964 if (avcodec_open(ist->st->codec, codec) < 0) {
1965 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1966 ist->file_index, ist->index);
1967 ret = AVERROR(EINVAL);
1970 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1971 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1976 for(i=0;i<nb_istreams;i++) {
1979 ist->next_pts = AV_NOPTS_VALUE;
1983 /* set meta data information from input file if required */
1984 for (i=0;i<nb_meta_data_maps;i++) {
1985 AVFormatContext *out_file;
1986 AVFormatContext *in_file;
1987 AVMetadataTag *mtag;
1989 int out_file_index = meta_data_maps[i].out_file;
1990 int in_file_index = meta_data_maps[i].in_file;
1991 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1992 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
1993 out_file_index, out_file_index, in_file_index);
1994 ret = AVERROR(EINVAL);
1997 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1998 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
1999 in_file_index, out_file_index, in_file_index);
2000 ret = AVERROR(EINVAL);
2004 out_file = output_files[out_file_index];
2005 in_file = input_files[in_file_index];
2009 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2010 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2011 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2012 in_file->iformat->metadata_conv);
2015 /* open files and write file headers */
2016 for(i=0;i<nb_output_files;i++) {
2017 os = output_files[i];
2018 if (av_write_header(os) < 0) {
2019 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2020 ret = AVERROR(EINVAL);
2023 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2029 /* dump the file output parameters - cannot be done before in case
2031 for(i=0;i<nb_output_files;i++) {
2032 dump_format(output_files[i], i, output_files[i]->filename, 1);
2035 /* dump the stream mapping */
2037 fprintf(stderr, "Stream mapping:\n");
2038 for(i=0;i<nb_ostreams;i++) {
2040 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2041 ist_table[ost->source_index]->file_index,
2042 ist_table[ost->source_index]->index,
2045 if (ost->sync_ist != ist_table[ost->source_index])
2046 fprintf(stderr, " [sync #%d.%d]",
2047 ost->sync_ist->file_index,
2048 ost->sync_ist->index);
2049 fprintf(stderr, "\n");
2054 fprintf(stderr, "%s\n", error);
2059 print_sdp(output_files, nb_output_files);
2062 if (!using_stdin && verbose >= 0) {
2063 fprintf(stderr, "Press [q] to stop encoding\n");
2064 url_set_interrupt_cb(decode_interrupt_cb);
2068 timer_start = av_gettime();
2070 for(; received_sigterm == 0;) {
2071 int file_index, ist_index;
2079 /* if 'q' pressed, exits */
2083 /* read_key() returns 0 on EOF */
2089 /* select the stream that we must read now by looking at the
2090 smallest output pts */
2092 for(i=0;i<nb_ostreams;i++) {
2095 os = output_files[ost->file_index];
2096 ist = ist_table[ost->source_index];
2097 if(no_packet[ist->file_index])
2099 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2100 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2102 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2103 ipts = (double)ist->pts;
2104 if (!file_table[ist->file_index].eof_reached){
2105 if(ipts < ipts_min) {
2107 if(input_sync ) file_index = ist->file_index;
2109 if(opts < opts_min) {
2111 if(!input_sync) file_index = ist->file_index;
2114 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2119 /* if none, if is finished */
2120 if (file_index < 0) {
2121 if(no_packet_count){
2123 memset(no_packet, 0, sizeof(no_packet));
2130 /* finish if recording time exhausted */
2131 if (opts_min >= (recording_time / 1000000.0))
2134 /* finish if limit size exhausted */
2135 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2138 /* read a frame from it and output it in the fifo */
2139 is = input_files[file_index];
2140 ret= av_read_frame(is, &pkt);
2141 if(ret == AVERROR(EAGAIN)){
2142 no_packet[file_index]=1;
2147 file_table[file_index].eof_reached = 1;
2155 memset(no_packet, 0, sizeof(no_packet));
2158 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2160 /* the following test is needed in case new streams appear
2161 dynamically in stream : we ignore them */
2162 if (pkt.stream_index >= file_table[file_index].nb_streams)
2163 goto discard_packet;
2164 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2165 ist = ist_table[ist_index];
2167 goto discard_packet;
2169 if (pkt.dts != AV_NOPTS_VALUE)
2170 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2171 if (pkt.pts != AV_NOPTS_VALUE)
2172 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2174 if(input_files_ts_scale[file_index][pkt.stream_index]){
2175 if(pkt.pts != AV_NOPTS_VALUE)
2176 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2177 if(pkt.dts != AV_NOPTS_VALUE)
2178 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2181 // 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);
2182 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2183 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2184 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2185 int64_t delta= pkt_dts - ist->next_pts;
2186 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2187 input_files_ts_offset[ist->file_index]-= delta;
2189 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2190 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2191 if(pkt.pts != AV_NOPTS_VALUE)
2192 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2196 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2197 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2200 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2201 ist->file_index, ist->index);
2204 av_free_packet(&pkt);
2209 av_free_packet(&pkt);
2211 /* dump report by using the output first video and audio streams */
2212 print_report(output_files, ost_table, nb_ostreams, 0);
2215 /* at the end of stream, we must flush the decoder buffers */
2216 for(i=0;i<nb_istreams;i++) {
2218 if (ist->decoding_needed) {
2219 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2225 /* write the trailer if needed and close file */
2226 for(i=0;i<nb_output_files;i++) {
2227 os = output_files[i];
2228 av_write_trailer(os);
2231 /* dump report by using the first video and audio streams */
2232 print_report(output_files, ost_table, nb_ostreams, 1);
2234 /* close each encoder */
2235 for(i=0;i<nb_ostreams;i++) {
2237 if (ost->encoding_needed) {
2238 av_freep(&ost->st->codec->stats_in);
2239 avcodec_close(ost->st->codec);
2243 /* close each decoder */
2244 for(i=0;i<nb_istreams;i++) {
2246 if (ist->decoding_needed) {
2247 avcodec_close(ist->st->codec);
2255 av_freep(&bit_buffer);
2256 av_free(file_table);
2259 for(i=0;i<nb_istreams;i++) {
2266 for(i=0;i<nb_ostreams;i++) {
2270 fclose(ost->logfile);
2271 ost->logfile = NULL;
2273 av_fifo_free(ost->fifo); /* works even if fifo is not
2274 initialized but set to zero */
2275 av_free(ost->pict_tmp.data[0]);
2276 if (ost->video_resample)
2277 sws_freeContext(ost->img_resample_ctx);
2279 audio_resample_close(ost->resample);
2280 if (ost->reformat_ctx)
2281 av_audio_convert_free(ost->reformat_ctx);
2291 int file_read(const char *filename)
2294 unsigned char buffer[1024];
2297 if (url_open(&h, filename, O_RDONLY) < 0) {
2298 printf("could not open '%s'\n", filename);
2302 len = url_read(h, buffer, sizeof(buffer));
2305 for(i=0;i<len;i++) putchar(buffer[i]);
2312 static void opt_format(const char *arg)
2314 /* compatibility stuff for pgmyuv */
2315 if (!strcmp(arg, "pgmyuv")) {
2316 pgmyuv_compatibility_hack=1;
2317 // opt_image_format(arg);
2319 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2322 file_iformat = av_find_input_format(arg);
2323 file_oformat = guess_format(arg, NULL, NULL);
2324 if (!file_iformat && !file_oformat) {
2325 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2330 static void opt_video_rc_override_string(const char *arg)
2332 video_rc_override_string = arg;
2335 static int opt_me_threshold(const char *opt, const char *arg)
2337 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2341 static int opt_loglevel(const char *opt, const char *arg)
2343 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2344 av_log_set_level(level);
2348 static int opt_verbose(const char *opt, const char *arg)
2350 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2354 static int opt_frame_rate(const char *opt, const char *arg)
2356 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2357 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2363 static int opt_bitrate(const char *opt, const char *arg)
2365 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2367 opt_default(opt, arg);
2369 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2370 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2375 static void opt_frame_crop_top(const char *arg)
2377 frame_topBand = atoi(arg);
2378 if (frame_topBand < 0) {
2379 fprintf(stderr, "Incorrect top crop size\n");
2382 if ((frame_topBand % 2) != 0) {
2383 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2386 if ((frame_topBand) >= frame_height){
2387 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2390 frame_height -= frame_topBand;
2393 static void opt_frame_crop_bottom(const char *arg)
2395 frame_bottomBand = atoi(arg);
2396 if (frame_bottomBand < 0) {
2397 fprintf(stderr, "Incorrect bottom crop size\n");
2400 if ((frame_bottomBand % 2) != 0) {
2401 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2404 if ((frame_bottomBand) >= frame_height){
2405 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2408 frame_height -= frame_bottomBand;
2411 static void opt_frame_crop_left(const char *arg)
2413 frame_leftBand = atoi(arg);
2414 if (frame_leftBand < 0) {
2415 fprintf(stderr, "Incorrect left crop size\n");
2418 if ((frame_leftBand % 2) != 0) {
2419 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2422 if ((frame_leftBand) >= frame_width){
2423 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2426 frame_width -= frame_leftBand;
2429 static void opt_frame_crop_right(const char *arg)
2431 frame_rightBand = atoi(arg);
2432 if (frame_rightBand < 0) {
2433 fprintf(stderr, "Incorrect right crop size\n");
2436 if ((frame_rightBand % 2) != 0) {
2437 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2440 if ((frame_rightBand) >= frame_width){
2441 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2444 frame_width -= frame_rightBand;
2447 static void opt_frame_size(const char *arg)
2449 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2450 fprintf(stderr, "Incorrect frame size\n");
2453 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2454 fprintf(stderr, "Frame size must be a multiple of 2\n");
2460 #define SCALEBITS 10
2461 #define ONE_HALF (1 << (SCALEBITS - 1))
2462 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2464 #define RGB_TO_Y(r, g, b) \
2465 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2466 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2468 #define RGB_TO_U(r1, g1, b1, shift)\
2469 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2470 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2472 #define RGB_TO_V(r1, g1, b1, shift)\
2473 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2474 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2476 static void opt_pad_color(const char *arg) {
2477 /* Input is expected to be six hex digits similar to
2478 how colors are expressed in html tags (but without the #) */
2479 int rgb = strtol(arg, NULL, 16);
2483 g = ((rgb >> 8) & 255);
2486 padcolor[0] = RGB_TO_Y(r,g,b);
2487 padcolor[1] = RGB_TO_U(r,g,b,0);
2488 padcolor[2] = RGB_TO_V(r,g,b,0);
2491 static void opt_frame_pad_top(const char *arg)
2493 frame_padtop = atoi(arg);
2494 if (frame_padtop < 0) {
2495 fprintf(stderr, "Incorrect top pad size\n");
2498 if ((frame_padtop % 2) != 0) {
2499 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2504 static void opt_frame_pad_bottom(const char *arg)
2506 frame_padbottom = atoi(arg);
2507 if (frame_padbottom < 0) {
2508 fprintf(stderr, "Incorrect bottom pad size\n");
2511 if ((frame_padbottom % 2) != 0) {
2512 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2518 static void opt_frame_pad_left(const char *arg)
2520 frame_padleft = atoi(arg);
2521 if (frame_padleft < 0) {
2522 fprintf(stderr, "Incorrect left pad size\n");
2525 if ((frame_padleft % 2) != 0) {
2526 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2532 static void opt_frame_pad_right(const char *arg)
2534 frame_padright = atoi(arg);
2535 if (frame_padright < 0) {
2536 fprintf(stderr, "Incorrect right pad size\n");
2539 if ((frame_padright % 2) != 0) {
2540 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2545 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2549 for (i=-1; i < nb_fmts; i++) {
2550 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2551 fprintf(stdout, "%s\n", fmt_str);
2555 static void opt_frame_pix_fmt(const char *arg)
2557 if (strcmp(arg, "list")) {
2558 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2559 if (frame_pix_fmt == PIX_FMT_NONE) {
2560 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2564 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2569 static void opt_frame_aspect_ratio(const char *arg)
2576 p = strchr(arg, ':');
2578 x = strtol(arg, &end, 10);
2580 y = strtol(end+1, &end, 10);
2582 ar = (double)x / (double)y;
2584 ar = strtod(arg, NULL);
2587 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2590 frame_aspect_ratio = ar;
2593 static int opt_metadata(const char *opt, const char *arg)
2595 char *mid= strchr(arg, '=');
2598 fprintf(stderr, "Missing =\n");
2604 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2605 metadata[metadata_count-1].key = av_strdup(arg);
2606 metadata[metadata_count-1].value= av_strdup(mid);
2611 static void opt_qscale(const char *arg)
2613 video_qscale = atof(arg);
2614 if (video_qscale <= 0 ||
2615 video_qscale > 255) {
2616 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2621 static void opt_top_field_first(const char *arg)
2623 top_field_first= atoi(arg);
2626 static int opt_thread_count(const char *opt, const char *arg)
2628 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2631 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2636 static void opt_audio_sample_fmt(const char *arg)
2638 if (strcmp(arg, "list"))
2639 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2641 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2646 static int opt_audio_rate(const char *opt, const char *arg)
2648 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2652 static int opt_audio_channels(const char *opt, const char *arg)
2654 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2658 static void opt_video_channel(const char *arg)
2660 video_channel = strtol(arg, NULL, 0);
2663 static void opt_video_standard(const char *arg)
2665 video_standard = av_strdup(arg);
2668 static void opt_codec(int *pstream_copy, char **pcodec_name,
2669 int codec_type, const char *arg)
2671 av_freep(pcodec_name);
2672 if (!strcmp(arg, "copy")) {
2675 *pcodec_name = av_strdup(arg);
2679 static void opt_audio_codec(const char *arg)
2681 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2684 static void opt_audio_tag(const char *arg)
2687 audio_codec_tag= strtol(arg, &tail, 0);
2690 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2693 static void opt_video_tag(const char *arg)
2696 video_codec_tag= strtol(arg, &tail, 0);
2699 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2702 static void opt_video_codec(const char *arg)
2704 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2707 static void opt_subtitle_codec(const char *arg)
2709 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2712 static void opt_subtitle_tag(const char *arg)
2715 subtitle_codec_tag= strtol(arg, &tail, 0);
2718 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2721 static void opt_map(const char *arg)
2726 m = &stream_maps[nb_stream_maps++];
2728 m->file_index = strtol(arg, &p, 0);
2732 m->stream_index = strtol(p, &p, 0);
2735 m->sync_file_index = strtol(p, &p, 0);
2738 m->sync_stream_index = strtol(p, &p, 0);
2740 m->sync_file_index = m->file_index;
2741 m->sync_stream_index = m->stream_index;
2745 static void opt_map_meta_data(const char *arg)
2750 m = &meta_data_maps[nb_meta_data_maps++];
2752 m->out_file = strtol(arg, &p, 0);
2756 m->in_file = strtol(p, &p, 0);
2759 static void opt_input_ts_scale(const char *arg)
2761 unsigned int stream;
2765 stream = strtol(arg, &p, 0);
2768 scale= strtod(p, &p);
2770 if(stream >= MAX_STREAMS)
2773 input_files_ts_scale[nb_input_files][stream]= scale;
2776 static int opt_recording_time(const char *opt, const char *arg)
2778 recording_time = parse_time_or_die(opt, arg, 1);
2782 static int opt_start_time(const char *opt, const char *arg)
2784 start_time = parse_time_or_die(opt, arg, 1);
2788 static int opt_rec_timestamp(const char *opt, const char *arg)
2790 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2794 static int opt_input_ts_offset(const char *opt, const char *arg)
2796 input_ts_offset = parse_time_or_die(opt, arg, 1);
2800 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2802 const char *codec_string = encoder ? "encoder" : "decoder";
2806 return CODEC_ID_NONE;
2808 avcodec_find_encoder_by_name(name) :
2809 avcodec_find_decoder_by_name(name);
2811 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2814 if(codec->type != type) {
2815 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2821 static void opt_input_file(const char *filename)
2823 AVFormatContext *ic;
2824 AVFormatParameters params, *ap = ¶ms;
2825 int err, i, ret, rfps, rfps_base;
2828 if (!strcmp(filename, "-"))
2831 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2832 !strcmp(filename, "/dev/stdin");
2834 /* get default parameters from command line */
2835 ic = avformat_alloc_context();
2837 memset(ap, 0, sizeof(*ap));
2838 ap->prealloced_context = 1;
2839 ap->sample_rate = audio_sample_rate;
2840 ap->channels = audio_channels;
2841 ap->time_base.den = frame_rate.num;
2842 ap->time_base.num = frame_rate.den;
2843 ap->width = frame_width + frame_padleft + frame_padright;
2844 ap->height = frame_height + frame_padtop + frame_padbottom;
2845 ap->pix_fmt = frame_pix_fmt;
2846 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2847 ap->channel = video_channel;
2848 ap->standard = video_standard;
2849 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2850 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2851 if(pgmyuv_compatibility_hack)
2852 ap->video_codec_id= CODEC_ID_PGMYUV;
2854 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2856 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2857 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2858 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2859 ic->flags |= AVFMT_FLAG_NONBLOCK;
2861 /* open the input file with generic libav function */
2862 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2864 print_error(filename, err);
2869 for(i=0; i<ic->nb_programs; i++)
2870 if(ic->programs[i]->id != opt_programid)
2871 ic->programs[i]->discard = AVDISCARD_ALL;
2874 ic->loop_input = loop_input;
2876 /* If not enough info to get the stream parameters, we decode the
2877 first frames to get it. (used in mpeg case for example) */
2878 ret = av_find_stream_info(ic);
2879 if (ret < 0 && verbose >= 0) {
2880 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2884 timestamp = start_time;
2885 /* add the stream start time */
2886 if (ic->start_time != AV_NOPTS_VALUE)
2887 timestamp += ic->start_time;
2889 /* if seeking requested, we execute it */
2890 if (start_time != 0) {
2891 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2893 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2894 filename, (double)timestamp / AV_TIME_BASE);
2896 /* reset seek info */
2900 /* update the current parameters so that they match the one of the input stream */
2901 for(i=0;i<ic->nb_streams;i++) {
2902 AVCodecContext *enc = ic->streams[i]->codec;
2904 avcodec_thread_init(enc, thread_count);
2905 enc->thread_count= thread_count;
2906 switch(enc->codec_type) {
2907 case CODEC_TYPE_AUDIO:
2908 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2909 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2910 channel_layout = enc->channel_layout;
2911 audio_channels = enc->channels;
2912 audio_sample_rate = enc->sample_rate;
2913 audio_sample_fmt = enc->sample_fmt;
2914 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2916 ic->streams[i]->discard= AVDISCARD_ALL;
2918 case CODEC_TYPE_VIDEO:
2919 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2920 frame_height = enc->height;
2921 frame_width = enc->width;
2922 if(ic->streams[i]->sample_aspect_ratio.num)
2923 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2925 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2926 frame_aspect_ratio *= (float) enc->width / enc->height;
2927 frame_pix_fmt = enc->pix_fmt;
2928 rfps = ic->streams[i]->r_frame_rate.num;
2929 rfps_base = ic->streams[i]->r_frame_rate.den;
2930 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2932 enc->debug |= FF_DEBUG_MV;
2934 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2937 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2938 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2940 (float)rfps / rfps_base, rfps, rfps_base);
2942 /* update the current frame rate to match the stream frame rate */
2943 frame_rate.num = rfps;
2944 frame_rate.den = rfps_base;
2946 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2948 ic->streams[i]->discard= AVDISCARD_ALL;
2949 else if(video_discard)
2950 ic->streams[i]->discard= video_discard;
2952 case CODEC_TYPE_DATA:
2954 case CODEC_TYPE_SUBTITLE:
2955 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2956 if(subtitle_disable)
2957 ic->streams[i]->discard = AVDISCARD_ALL;
2959 case CODEC_TYPE_ATTACHMENT:
2960 case CODEC_TYPE_UNKNOWN:
2968 input_files[nb_input_files] = ic;
2969 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2970 /* dump the file content */
2972 dump_format(ic, nb_input_files, filename, 0);
2975 file_iformat = NULL;
2976 file_oformat = NULL;
2980 av_freep(&video_codec_name);
2981 av_freep(&audio_codec_name);
2982 av_freep(&subtitle_codec_name);
2985 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2986 int *has_subtitle_ptr)
2988 int has_video, has_audio, has_subtitle, i, j;
2989 AVFormatContext *ic;
2994 for(j=0;j<nb_input_files;j++) {
2995 ic = input_files[j];
2996 for(i=0;i<ic->nb_streams;i++) {
2997 AVCodecContext *enc = ic->streams[i]->codec;
2998 switch(enc->codec_type) {
2999 case CODEC_TYPE_AUDIO:
3002 case CODEC_TYPE_VIDEO:
3005 case CODEC_TYPE_SUBTITLE:
3008 case CODEC_TYPE_DATA:
3009 case CODEC_TYPE_ATTACHMENT:
3010 case CODEC_TYPE_UNKNOWN:
3017 *has_video_ptr = has_video;
3018 *has_audio_ptr = has_audio;
3019 *has_subtitle_ptr = has_subtitle;
3022 static void new_video_stream(AVFormatContext *oc)
3025 AVCodecContext *video_enc;
3028 st = av_new_stream(oc, oc->nb_streams);
3030 fprintf(stderr, "Could not alloc stream\n");
3033 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3034 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3035 video_bitstream_filters= NULL;
3038 avcodec_thread_init(st->codec, thread_count);
3040 video_enc = st->codec;
3043 video_enc->codec_tag= video_codec_tag;
3045 if( (video_global_header&1)
3046 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3047 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3048 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3050 if(video_global_header&2){
3051 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3052 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3055 if (video_stream_copy) {
3056 st->stream_copy = 1;
3057 video_enc->codec_type = CODEC_TYPE_VIDEO;
3058 video_enc->sample_aspect_ratio =
3059 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3064 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3066 if (video_codec_name) {
3067 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3068 codec = avcodec_find_encoder_by_name(video_codec_name);
3069 output_codecs[nb_ocodecs] = codec;
3071 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3072 codec = avcodec_find_encoder(codec_id);
3075 video_enc->codec_id = codec_id;
3077 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3079 if (codec && codec->supported_framerates && !force_fps)
3080 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3081 video_enc->time_base.den = fps.num;
3082 video_enc->time_base.num = fps.den;
3084 video_enc->width = frame_width + frame_padright + frame_padleft;
3085 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3086 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3087 video_enc->pix_fmt = frame_pix_fmt;
3088 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3090 if(codec && codec->pix_fmts){
3091 const enum PixelFormat *p= codec->pix_fmts;
3093 if(*p == video_enc->pix_fmt)
3097 video_enc->pix_fmt = codec->pix_fmts[0];
3101 video_enc->gop_size = 0;
3102 if (video_qscale || same_quality) {
3103 video_enc->flags |= CODEC_FLAG_QSCALE;
3104 video_enc->global_quality=
3105 st->quality = FF_QP2LAMBDA * video_qscale;
3109 video_enc->intra_matrix = intra_matrix;
3111 video_enc->inter_matrix = inter_matrix;
3113 video_enc->thread_count = thread_count;
3114 p= video_rc_override_string;
3117 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3119 fprintf(stderr, "error parsing rc_override\n");
3122 video_enc->rc_override=
3123 av_realloc(video_enc->rc_override,
3124 sizeof(RcOverride)*(i+1));
3125 video_enc->rc_override[i].start_frame= start;
3126 video_enc->rc_override[i].end_frame = end;
3128 video_enc->rc_override[i].qscale= q;
3129 video_enc->rc_override[i].quality_factor= 1.0;
3132 video_enc->rc_override[i].qscale= 0;
3133 video_enc->rc_override[i].quality_factor= -q/100.0;
3138 video_enc->rc_override_count=i;
3139 if (!video_enc->rc_initial_buffer_occupancy)
3140 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3141 video_enc->me_threshold= me_threshold;
3142 video_enc->intra_dc_precision= intra_dc_precision - 8;
3145 video_enc->flags|= CODEC_FLAG_PSNR;
3150 video_enc->flags |= CODEC_FLAG_PASS1;
3152 video_enc->flags |= CODEC_FLAG_PASS2;
3158 /* reset some key parameters */
3160 av_freep(&video_codec_name);
3161 video_stream_copy = 0;
3164 static void new_audio_stream(AVFormatContext *oc)
3167 AVCodecContext *audio_enc;
3170 st = av_new_stream(oc, oc->nb_streams);
3172 fprintf(stderr, "Could not alloc stream\n");
3175 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3177 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3178 audio_bitstream_filters= NULL;
3181 avcodec_thread_init(st->codec, thread_count);
3183 audio_enc = st->codec;
3184 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3187 audio_enc->codec_tag= audio_codec_tag;
3189 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3190 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3191 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3193 if (audio_stream_copy) {
3194 st->stream_copy = 1;
3195 audio_enc->channels = audio_channels;
3199 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3201 if (audio_codec_name) {
3202 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3203 codec = avcodec_find_encoder_by_name(audio_codec_name);
3204 output_codecs[nb_ocodecs] = codec;
3206 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3207 codec = avcodec_find_encoder(codec_id);
3209 audio_enc->codec_id = codec_id;
3211 if (audio_qscale > QSCALE_NONE) {
3212 audio_enc->flags |= CODEC_FLAG_QSCALE;
3213 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3215 audio_enc->thread_count = thread_count;
3216 audio_enc->channels = audio_channels;
3217 audio_enc->sample_fmt = audio_sample_fmt;
3218 audio_enc->channel_layout = channel_layout;
3219 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3220 audio_enc->channel_layout = 0;
3222 if(codec && codec->sample_fmts){
3223 const enum SampleFormat *p= codec->sample_fmts;
3225 if(*p == audio_enc->sample_fmt)
3229 audio_enc->sample_fmt = codec->sample_fmts[0];
3233 audio_enc->sample_rate = audio_sample_rate;
3234 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3235 if (audio_language) {
3236 av_metadata_set(&st->metadata, "language", audio_language);
3237 av_free(audio_language);
3238 audio_language = NULL;
3241 /* reset some key parameters */
3243 av_freep(&audio_codec_name);
3244 audio_stream_copy = 0;
3247 static void new_subtitle_stream(AVFormatContext *oc)
3250 AVCodecContext *subtitle_enc;
3252 st = av_new_stream(oc, oc->nb_streams);
3254 fprintf(stderr, "Could not alloc stream\n");
3257 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3259 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3260 subtitle_bitstream_filters= NULL;
3262 subtitle_enc = st->codec;
3263 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3265 if(subtitle_codec_tag)
3266 subtitle_enc->codec_tag= subtitle_codec_tag;
3268 if (subtitle_stream_copy) {
3269 st->stream_copy = 1;
3271 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3272 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3273 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3277 if (subtitle_language) {
3278 av_metadata_set(&st->metadata, "language", subtitle_language);
3279 av_free(subtitle_language);
3280 subtitle_language = NULL;
3283 subtitle_disable = 0;
3284 av_freep(&subtitle_codec_name);
3285 subtitle_stream_copy = 0;
3288 static void opt_new_audio_stream(void)
3290 AVFormatContext *oc;
3291 if (nb_output_files <= 0) {
3292 fprintf(stderr, "At least one output file must be specified\n");
3295 oc = output_files[nb_output_files - 1];
3296 new_audio_stream(oc);
3299 static void opt_new_video_stream(void)
3301 AVFormatContext *oc;
3302 if (nb_output_files <= 0) {
3303 fprintf(stderr, "At least one output file must be specified\n");
3306 oc = output_files[nb_output_files - 1];
3307 new_video_stream(oc);
3310 static void opt_new_subtitle_stream(void)
3312 AVFormatContext *oc;
3313 if (nb_output_files <= 0) {
3314 fprintf(stderr, "At least one output file must be specified\n");
3317 oc = output_files[nb_output_files - 1];
3318 new_subtitle_stream(oc);
3321 static void opt_output_file(const char *filename)
3323 AVFormatContext *oc;
3324 int use_video, use_audio, use_subtitle;
3325 int input_has_video, input_has_audio, input_has_subtitle;
3326 AVFormatParameters params, *ap = ¶ms;
3328 if (!strcmp(filename, "-"))
3331 oc = avformat_alloc_context();
3333 if (!file_oformat) {
3334 file_oformat = guess_format(NULL, filename, NULL);
3335 if (!file_oformat) {
3336 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3342 oc->oformat = file_oformat;
3343 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3345 if (!strcmp(file_oformat->name, "ffm") &&
3346 av_strstart(filename, "http:", NULL)) {
3347 /* special case for files sent to ffserver: we get the stream
3348 parameters from ffserver */
3349 int err = read_ffserver_streams(oc, filename);
3351 print_error(filename, err);
3355 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3356 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3357 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3359 /* disable if no corresponding type found and at least one
3361 if (nb_input_files > 0) {
3362 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3363 &input_has_subtitle);
3364 if (!input_has_video)
3366 if (!input_has_audio)
3368 if (!input_has_subtitle)
3372 /* manual disable */
3373 if (audio_disable) {
3376 if (video_disable) {
3379 if (subtitle_disable) {
3384 new_video_stream(oc);
3388 new_audio_stream(oc);
3392 new_subtitle_stream(oc);
3395 oc->timestamp = rec_timestamp;
3397 for(; metadata_count>0; metadata_count--){
3398 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3399 metadata[metadata_count-1].value);
3401 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3404 output_files[nb_output_files++] = oc;
3406 /* check filename in case of an image number is expected */
3407 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3408 if (!av_filename_number_test(oc->filename)) {
3409 print_error(oc->filename, AVERROR_NUMEXPECTED);
3414 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3415 /* test if it already exists to avoid loosing precious files */
3416 if (!file_overwrite &&
3417 (strchr(filename, ':') == NULL ||
3418 filename[1] == ':' ||
3419 av_strstart(filename, "file:", NULL))) {
3420 if (url_exist(filename)) {
3422 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3424 if (!read_yesno()) {
3425 fprintf(stderr, "Not overwriting - exiting\n");
3430 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3437 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3438 fprintf(stderr, "Could not open '%s'\n", filename);
3443 memset(ap, 0, sizeof(*ap));
3444 if (av_set_parameters(oc, ap) < 0) {
3445 fprintf(stderr, "%s: Invalid encoding parameters\n",
3450 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3451 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3452 oc->loop_output = loop_output;
3453 oc->flags |= AVFMT_FLAG_NONBLOCK;
3455 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3457 /* reset some options */
3458 file_oformat = NULL;
3459 file_iformat = NULL;
3462 /* same option as mencoder */
3463 static void opt_pass(const char *pass_str)
3466 pass = atoi(pass_str);
3467 if (pass != 1 && pass != 2) {
3468 fprintf(stderr, "pass number can be only 1 or 2\n");
3474 static int64_t getutime(void)
3477 struct rusage rusage;
3479 getrusage(RUSAGE_SELF, &rusage);
3480 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3481 #elif HAVE_GETPROCESSTIMES
3483 FILETIME c, e, k, u;
3484 proc = GetCurrentProcess();
3485 GetProcessTimes(proc, &c, &e, &k, &u);
3486 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3488 return av_gettime();
3492 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3495 const char *p = str;
3502 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3509 static void opt_inter_matrix(const char *arg)
3511 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3512 parse_matrix_coeffs(inter_matrix, arg);
3515 static void opt_intra_matrix(const char *arg)
3517 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3518 parse_matrix_coeffs(intra_matrix, arg);
3522 * Trivial log callback.
3523 * Only suitable for show_help and similar since it lacks prefix handling.
3525 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3527 vfprintf(stdout, fmt, vl);
3530 static void show_help(void)
3532 av_log_set_callback(log_callback_help);
3533 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3534 "Hyper fast Audio and Video encoder\n");
3536 show_help_options(options, "Main options:\n",
3537 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3538 show_help_options(options, "\nAdvanced options:\n",
3539 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3541 show_help_options(options, "\nVideo options:\n",
3542 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3544 show_help_options(options, "\nAdvanced Video options:\n",
3545 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3546 OPT_VIDEO | OPT_EXPERT);
3547 show_help_options(options, "\nAudio options:\n",
3548 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3550 show_help_options(options, "\nAdvanced Audio options:\n",
3551 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3552 OPT_AUDIO | OPT_EXPERT);
3553 show_help_options(options, "\nSubtitle options:\n",
3554 OPT_SUBTITLE | OPT_GRAB,
3556 show_help_options(options, "\nAudio/Video grab options:\n",
3560 av_opt_show(avcodec_opts[0], NULL);
3562 av_opt_show(avformat_opts, NULL);
3564 av_opt_show(sws_opts, NULL);
3567 static void opt_target(const char *arg)
3570 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3572 if(!strncmp(arg, "pal-", 4)) {
3575 } else if(!strncmp(arg, "ntsc-", 5)) {
3578 } else if(!strncmp(arg, "film-", 5)) {
3583 /* Calculate FR via float to avoid int overflow */
3584 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3587 } else if((fr == 29970) || (fr == 23976)) {
3590 /* Try to determine PAL/NTSC by peeking in the input files */
3591 if(nb_input_files) {
3593 for(j = 0; j < nb_input_files; j++) {
3594 for(i = 0; i < input_files[j]->nb_streams; i++) {
3595 AVCodecContext *c = input_files[j]->streams[i]->codec;
3596 if(c->codec_type != CODEC_TYPE_VIDEO)
3598 fr = c->time_base.den * 1000 / c->time_base.num;
3602 } else if((fr == 29970) || (fr == 23976)) {
3612 if(verbose && norm >= 0)
3613 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3617 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3618 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3619 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3623 if(!strcmp(arg, "vcd")) {
3625 opt_video_codec("mpeg1video");
3626 opt_audio_codec("mp2");
3629 opt_frame_size(norm ? "352x240" : "352x288");
3630 opt_frame_rate(NULL, frame_rates[norm]);
3631 opt_default("gop", norm ? "18" : "15");
3633 opt_default("b", "1150000");
3634 opt_default("maxrate", "1150000");
3635 opt_default("minrate", "1150000");
3636 opt_default("bufsize", "327680"); // 40*1024*8;
3638 opt_default("ab", "224000");
3639 audio_sample_rate = 44100;
3642 opt_default("packetsize", "2324");
3643 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3645 /* We have to offset the PTS, so that it is consistent with the SCR.
3646 SCR starts at 36000, but the first two packs contain only padding
3647 and the first pack from the other stream, respectively, may also have
3648 been written before.
3649 So the real data starts at SCR 36000+3*1200. */
3650 mux_preload= (36000+3*1200) / 90000.0; //0.44
3651 } else if(!strcmp(arg, "svcd")) {
3653 opt_video_codec("mpeg2video");
3654 opt_audio_codec("mp2");
3657 opt_frame_size(norm ? "480x480" : "480x576");
3658 opt_frame_rate(NULL, frame_rates[norm]);
3659 opt_default("gop", norm ? "18" : "15");
3661 opt_default("b", "2040000");
3662 opt_default("maxrate", "2516000");
3663 opt_default("minrate", "0"); //1145000;
3664 opt_default("bufsize", "1835008"); //224*1024*8;
3665 opt_default("flags", "+scan_offset");
3668 opt_default("ab", "224000");
3669 audio_sample_rate = 44100;
3671 opt_default("packetsize", "2324");
3673 } else if(!strcmp(arg, "dvd")) {
3675 opt_video_codec("mpeg2video");
3676 opt_audio_codec("ac3");
3679 opt_frame_size(norm ? "720x480" : "720x576");
3680 opt_frame_rate(NULL, frame_rates[norm]);
3681 opt_default("gop", norm ? "18" : "15");
3683 opt_default("b", "6000000");
3684 opt_default("maxrate", "9000000");
3685 opt_default("minrate", "0"); //1500000;
3686 opt_default("bufsize", "1835008"); //224*1024*8;
3688 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3689 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3691 opt_default("ab", "448000");
3692 audio_sample_rate = 48000;
3694 } else if(!strncmp(arg, "dv", 2)) {
3698 opt_frame_size(norm ? "720x480" : "720x576");
3699 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3700 (norm ? "yuv411p" : "yuv420p"));
3701 opt_frame_rate(NULL, frame_rates[norm]);
3703 audio_sample_rate = 48000;
3707 fprintf(stderr, "Unknown target: %s\n", arg);
3712 static void opt_vstats_file (const char *arg)
3714 av_free (vstats_filename);
3715 vstats_filename=av_strdup (arg);
3718 static void opt_vstats (void)
3721 time_t today2 = time(NULL);
3722 struct tm *today = localtime(&today2);
3724 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3726 opt_vstats_file(filename);
3729 static int opt_bsf(const char *opt, const char *arg)
3731 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3732 AVBitStreamFilterContext **bsfp;
3735 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3739 bsfp= *opt == 'v' ? &video_bitstream_filters :
3740 *opt == 'a' ? &audio_bitstream_filters :
3741 &subtitle_bitstream_filters;
3743 bsfp= &(*bsfp)->next;
3750 static int opt_preset(const char *opt, const char *arg)
3753 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3755 const char *base[2]= { getenv("HOME"),
3759 for(i=!base[0]; i<2 && !f; i++){
3760 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3761 f= fopen(filename, "r");
3763 char *codec_name= *opt == 'v' ? video_codec_name :
3764 *opt == 'a' ? audio_codec_name :
3765 subtitle_codec_name;
3766 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3767 f= fopen(filename, "r");
3770 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3772 av_strlcpy(filename, arg, sizeof(filename));
3773 f= fopen(filename, "r");
3777 fprintf(stderr, "File for preset '%s' not found\n", arg);
3782 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3783 if(line[0] == '#' && !e)
3785 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3787 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3790 if(!strcmp(tmp, "acodec")){
3791 opt_audio_codec(tmp2);
3792 }else if(!strcmp(tmp, "vcodec")){
3793 opt_video_codec(tmp2);
3794 }else if(!strcmp(tmp, "scodec")){
3795 opt_subtitle_codec(tmp2);
3796 }else if(opt_default(tmp, tmp2) < 0){
3797 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3807 static const OptionDef options[] = {
3809 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3810 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3811 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3812 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3813 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3814 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3815 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3816 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3817 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3818 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3819 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3820 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3821 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3822 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3823 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3824 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3825 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3826 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3827 "add timings for benchmarking" },
3828 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3829 "dump each input packet" },
3830 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3831 "when dumping packets, also dump the payload" },
3832 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3833 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3834 { "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)", "" },
3835 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3836 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3837 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3838 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3839 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3840 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3841 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3842 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3843 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3844 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3845 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3846 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3847 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3848 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3851 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3852 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3853 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3854 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3855 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3856 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3857 { "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" },
3858 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3859 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3860 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3861 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3862 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3863 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3864 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3865 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3866 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3867 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3868 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3869 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3870 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3871 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3872 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3873 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3874 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3875 "use same video quality as source (implies VBR)" },
3876 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3877 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3878 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3879 "deinterlace pictures" },
3880 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3881 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3882 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3883 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3884 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3885 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3886 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3887 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3888 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3889 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3890 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3893 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3894 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3895 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3896 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3897 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3898 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3899 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3900 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3901 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3902 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3903 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3904 { "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" },
3906 /* subtitle options */
3907 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3908 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3909 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3910 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3911 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3914 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3915 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3916 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3919 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3920 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3922 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3923 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3924 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3926 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3927 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3928 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3930 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3934 int main(int argc, char **argv)
3939 avcodec_register_all();
3940 avdevice_register_all();
3943 if(isatty(STDIN_FILENO))
3944 url_set_interrupt_cb(decode_interrupt_cb);
3946 for(i=0; i<CODEC_TYPE_NB; i++){
3947 avcodec_opts[i]= avcodec_alloc_context2(i);
3949 avformat_opts = avformat_alloc_context();
3950 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3955 parse_options(argc, argv, options, opt_output_file);
3957 /* file converter / grab */
3958 if (nb_output_files <= 0) {
3959 fprintf(stderr, "At least one output file must be specified\n");
3963 if (nb_input_files == 0) {
3964 fprintf(stderr, "At least one input file must be specified\n");
3969 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3970 stream_maps, nb_stream_maps) < 0)
3972 ti = getutime() - ti;
3974 printf("bench: utime=%0.3fs\n", ti / 1000000.0);