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, *os;
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 os = output_files[ost->file_index];
1098 enc = ost->st->codec;
1099 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1101 !ost->st->stream_copy ?
1102 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1104 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1105 float t = (av_gettime()-timer_start) / 1000000.0;
1107 frame_number = ost->frame_number;
1108 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1109 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1110 !ost->st->stream_copy ?
1111 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1113 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1116 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1117 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1122 if (enc->flags&CODEC_FLAG_PSNR){
1124 double error, error_sum=0;
1125 double scale, scale_sum=0;
1126 char type[3]= {'Y','U','V'};
1127 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1130 error= enc->error[j];
1131 scale= enc->width*enc->height*255.0*255.0*frame_number;
1133 error= enc->coded_frame->error[j];
1134 scale= enc->width*enc->height*255.0*255.0;
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1141 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1145 /* compute min output value */
1146 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1147 if ((pts < ti1) && (pts > 0))
1153 if (verbose || is_last_report) {
1154 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1156 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1157 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1158 (double)total_size / 1024, ti1, bitrate);
1161 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1162 nb_frames_dup, nb_frames_drop);
1165 fprintf(stderr, "%s \r", buf);
1170 if (is_last_report && verbose >= 0){
1171 int64_t raw= audio_size + video_size + extra_size;
1172 fprintf(stderr, "\n");
1173 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1177 100.0*(total_size - raw)/raw
1182 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1183 static int output_packet(AVInputStream *ist, int ist_index,
1184 AVOutputStream **ost_table, int nb_ostreams,
1185 const AVPacket *pkt)
1187 AVFormatContext *os;
1188 AVOutputStream *ost;
1191 int data_size, got_picture;
1193 void *buffer_to_free;
1194 static unsigned int samples_size= 0;
1195 AVSubtitle subtitle, *subtitle_to_free;
1199 if(ist->next_pts == AV_NOPTS_VALUE)
1200 ist->next_pts= ist->pts;
1204 av_init_packet(&avpkt);
1212 if(pkt->dts != AV_NOPTS_VALUE)
1213 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1215 //while we have more to decode or while the decoder did output something on EOF
1216 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1218 ist->pts= ist->next_pts;
1220 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1221 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1223 /* decode the packet if needed */
1224 data_buf = NULL; /* fail safe */
1226 subtitle_to_free = NULL;
1227 if (ist->decoding_needed) {
1228 switch(ist->st->codec->codec_type) {
1229 case CODEC_TYPE_AUDIO:{
1230 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1231 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1233 samples= av_malloc(samples_size);
1235 data_size= samples_size;
1236 /* XXX: could avoid copy if PCM 16 bits with same
1237 endianness as CPU */
1238 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1244 /* Some bug in mpeg audio decoder gives */
1245 /* data_size < 0, it seems they are overflows */
1246 if (data_size <= 0) {
1247 /* no audio frame */
1250 data_buf = (uint8_t *)samples;
1251 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1252 (ist->st->codec->sample_rate * ist->st->codec->channels);
1254 case CODEC_TYPE_VIDEO:
1255 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1256 /* XXX: allocate picture correctly */
1257 avcodec_get_frame_defaults(&picture);
1259 ret = avcodec_decode_video2(ist->st->codec,
1260 &picture, &got_picture, &avpkt);
1261 ist->st->quality= picture.quality;
1265 /* no picture yet */
1266 goto discard_packet;
1268 if (ist->st->codec->time_base.num != 0) {
1269 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1270 ist->next_pts += ((int64_t)AV_TIME_BASE *
1271 ist->st->codec->time_base.num * ticks) /
1272 ist->st->codec->time_base.den;
1276 case CODEC_TYPE_SUBTITLE:
1277 ret = avcodec_decode_subtitle2(ist->st->codec,
1278 &subtitle, &got_subtitle, &avpkt);
1281 if (!got_subtitle) {
1282 goto discard_packet;
1284 subtitle_to_free = &subtitle;
1291 switch(ist->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:
1293 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1294 ist->st->codec->sample_rate;
1296 case CODEC_TYPE_VIDEO:
1297 if (ist->st->codec->time_base.num != 0) {
1298 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1299 ist->next_pts += ((int64_t)AV_TIME_BASE *
1300 ist->st->codec->time_base.num * ticks) /
1301 ist->st->codec->time_base.den;
1305 data_buf = avpkt.data;
1306 data_size = avpkt.size;
1311 buffer_to_free = NULL;
1312 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1313 pre_process_video_frame(ist, (AVPicture *)&picture,
1317 // preprocess audio (volume)
1318 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1319 if (audio_volume != 256) {
1322 for(i=0;i<(data_size / sizeof(short));i++) {
1323 int v = ((*volp) * audio_volume + 128) >> 8;
1324 if (v < -32768) v = -32768;
1325 if (v > 32767) v = 32767;
1331 /* frame rate emulation */
1333 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1334 int64_t now = av_gettime() - ist->start;
1339 /* if output time reached then transcode raw format,
1340 encode packets and output them */
1341 if (start_time == 0 || ist->pts >= start_time)
1342 for(i=0;i<nb_ostreams;i++) {
1346 if (ost->source_index == ist_index) {
1347 os = output_files[ost->file_index];
1350 printf("%d: got pts=%0.3f %0.3f\n", i,
1351 (double)pkt->pts / AV_TIME_BASE,
1352 ((double)ist->pts / AV_TIME_BASE) -
1353 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1355 /* set the input output pts pairs */
1356 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1358 if (ost->encoding_needed) {
1359 switch(ost->st->codec->codec_type) {
1360 case CODEC_TYPE_AUDIO:
1361 do_audio_out(os, ost, ist, data_buf, data_size);
1363 case CODEC_TYPE_VIDEO:
1364 do_video_out(os, ost, ist, &picture, &frame_size);
1365 if (vstats_filename && frame_size)
1366 do_video_stats(os, ost, frame_size);
1368 case CODEC_TYPE_SUBTITLE:
1369 do_subtitle_out(os, ost, ist, &subtitle,
1376 AVFrame avframe; //FIXME/XXX remove this
1378 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1380 av_init_packet(&opkt);
1382 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1385 /* no reencoding needed : output the packet directly */
1386 /* force the input stream PTS */
1388 avcodec_get_frame_defaults(&avframe);
1389 ost->st->codec->coded_frame= &avframe;
1390 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1392 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1393 audio_size += data_size;
1394 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1395 video_size += data_size;
1399 opkt.stream_index= ost->index;
1400 if(pkt->pts != AV_NOPTS_VALUE)
1401 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1403 opkt.pts= AV_NOPTS_VALUE;
1405 if (pkt->dts == AV_NOPTS_VALUE)
1406 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1408 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1409 opkt.dts -= ost_tb_start_time;
1411 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1412 opkt.flags= pkt->flags;
1414 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1415 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1416 opkt.destruct= av_destruct_packet;
1418 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1419 ost->st->codec->frame_number++;
1420 ost->frame_number++;
1421 av_free_packet(&opkt);
1425 av_free(buffer_to_free);
1426 /* XXX: allocate the subtitles in the codec ? */
1427 if (subtitle_to_free) {
1428 if (subtitle_to_free->rects != NULL) {
1429 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1430 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1431 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1432 av_freep(&subtitle_to_free->rects[i]);
1434 av_freep(&subtitle_to_free->rects);
1436 subtitle_to_free->num_rects = 0;
1437 subtitle_to_free = NULL;
1444 for(i=0;i<nb_ostreams;i++) {
1446 if (ost->source_index == ist_index) {
1447 AVCodecContext *enc= ost->st->codec;
1448 os = output_files[ost->file_index];
1450 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1452 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1455 if (ost->encoding_needed) {
1459 av_init_packet(&pkt);
1460 pkt.stream_index= ost->index;
1462 switch(ost->st->codec->codec_type) {
1463 case CODEC_TYPE_AUDIO:
1464 fifo_bytes = av_fifo_size(ost->fifo);
1466 /* encode any samples remaining in fifo */
1467 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1468 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1469 int fs_tmp = enc->frame_size;
1470 enc->frame_size = fifo_bytes / (osize * enc->channels);
1471 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1472 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1473 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1474 ost->st->time_base.num, enc->sample_rate);
1475 enc->frame_size = fs_tmp;
1478 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1481 fprintf(stderr, "Audio encoding failed\n");
1485 pkt.flags |= PKT_FLAG_KEY;
1487 case CODEC_TYPE_VIDEO:
1488 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1490 fprintf(stderr, "Video encoding failed\n");
1494 if(enc->coded_frame && enc->coded_frame->key_frame)
1495 pkt.flags |= PKT_FLAG_KEY;
1496 if (ost->logfile && enc->stats_out) {
1497 fprintf(ost->logfile, "%s", enc->stats_out);
1506 pkt.data= bit_buffer;
1508 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1509 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1510 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1522 static void print_sdp(AVFormatContext **avc, int n)
1526 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1527 printf("SDP:\n%s\n", sdp);
1531 static int stream_index_from_inputs(AVFormatContext **input_files,
1533 AVInputFile *file_table,
1534 AVInputStream **ist_table,
1535 enum CodecType type,
1539 for(z=0; z<nb_input_files; z++) {
1540 AVFormatContext *ic = input_files[z];
1541 for(p=0; p<ic->nb_programs; p++) {
1542 AVProgram *program = ic->programs[p];
1543 if(program->id != programid)
1545 for(q=0; q<program->nb_stream_indexes; q++) {
1546 int sidx = program->stream_index[q];
1547 int ris = file_table[z].ist_index + sidx;
1548 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1558 * The following code is the main loop of the file converter
1560 static int av_encode(AVFormatContext **output_files,
1561 int nb_output_files,
1562 AVFormatContext **input_files,
1564 AVStreamMap *stream_maps, int nb_stream_maps)
1566 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1567 AVFormatContext *is, *os;
1568 AVCodecContext *codec, *icodec;
1569 AVOutputStream *ost, **ost_table = NULL;
1570 AVInputStream *ist, **ist_table = NULL;
1571 AVInputFile *file_table;
1575 uint8_t no_packet[MAX_FILES]={0};
1576 int no_packet_count=0;
1578 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1582 /* input stream init */
1584 for(i=0;i<nb_input_files;i++) {
1585 is = input_files[i];
1586 file_table[i].ist_index = j;
1587 file_table[i].nb_streams = is->nb_streams;
1588 j += is->nb_streams;
1592 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1596 for(i=0;i<nb_istreams;i++) {
1597 ist = av_mallocz(sizeof(AVInputStream));
1603 for(i=0;i<nb_input_files;i++) {
1604 is = input_files[i];
1605 for(k=0;k<is->nb_streams;k++) {
1606 ist = ist_table[j++];
1607 ist->st = is->streams[k];
1608 ist->file_index = i;
1610 ist->discard = 1; /* the stream is discarded by default
1614 ist->start = av_gettime();
1619 /* output stream init */
1621 for(i=0;i<nb_output_files;i++) {
1622 os = output_files[i];
1623 if (!os->nb_streams) {
1624 dump_format(output_files[i], i, output_files[i]->filename, 1);
1625 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1628 nb_ostreams += os->nb_streams;
1630 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1631 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1635 /* Sanity check the mapping args -- do the input files & streams exist? */
1636 for(i=0;i<nb_stream_maps;i++) {
1637 int fi = stream_maps[i].file_index;
1638 int si = stream_maps[i].stream_index;
1640 if (fi < 0 || fi > nb_input_files - 1 ||
1641 si < 0 || si > file_table[fi].nb_streams - 1) {
1642 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1645 fi = stream_maps[i].sync_file_index;
1646 si = stream_maps[i].sync_stream_index;
1647 if (fi < 0 || fi > nb_input_files - 1 ||
1648 si < 0 || si > file_table[fi].nb_streams - 1) {
1649 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1654 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1657 for(i=0;i<nb_ostreams;i++) {
1658 ost = av_mallocz(sizeof(AVOutputStream));
1665 for(k=0;k<nb_output_files;k++) {
1666 os = output_files[k];
1667 for(i=0;i<os->nb_streams;i++,n++) {
1670 ost->file_index = k;
1672 ost->st = os->streams[i];
1673 if (nb_stream_maps > 0) {
1674 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1675 stream_maps[n].stream_index;
1677 /* Sanity check that the stream types match */
1678 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1679 int i= ost->file_index;
1680 dump_format(output_files[i], i, output_files[i]->filename, 1);
1681 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1682 stream_maps[n].file_index, stream_maps[n].stream_index,
1683 ost->file_index, ost->index);
1690 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1692 ost->source_index = j;
1696 /* get corresponding input stream index : we select the first one with the right type */
1698 for(j=0;j<nb_istreams;j++) {
1701 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1702 ost->source_index = j;
1710 if(! opt_programid) {
1711 /* try again and reuse existing stream */
1712 for(j=0;j<nb_istreams;j++) {
1714 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1715 ost->source_index = j;
1721 int i= ost->file_index;
1722 dump_format(output_files[i], i, output_files[i]->filename, 1);
1723 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1724 ost->file_index, ost->index);
1729 ist = ist_table[ost->source_index];
1731 ost->sync_ist = (nb_stream_maps > 0) ?
1732 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1733 stream_maps[n].sync_stream_index] : ist;
1737 /* for each output stream, we compute the right encoding parameters */
1738 for(i=0;i<nb_ostreams;i++) {
1739 AVMetadataTag *lang;
1741 os = output_files[ost->file_index];
1742 ist = ist_table[ost->source_index];
1744 codec = ost->st->codec;
1745 icodec = ist->st->codec;
1747 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1748 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1749 av_metadata_set(&ost->st->metadata, "language", lang->value);
1751 ost->st->disposition = ist->st->disposition;
1753 if (ost->st->stream_copy) {
1754 /* if stream_copy is selected, no need to decode or encode */
1755 codec->codec_id = icodec->codec_id;
1756 codec->codec_type = icodec->codec_type;
1758 if(!codec->codec_tag){
1759 if( !os->oformat->codec_tag
1760 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1761 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1762 codec->codec_tag = icodec->codec_tag;
1765 codec->bit_rate = icodec->bit_rate;
1766 codec->extradata= icodec->extradata;
1767 codec->extradata_size= icodec->extradata_size;
1768 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){
1769 codec->time_base = icodec->time_base;
1770 codec->time_base.num *= icodec->ticks_per_frame;
1772 codec->time_base = ist->st->time_base;
1773 switch(codec->codec_type) {
1774 case CODEC_TYPE_AUDIO:
1775 if(audio_volume != 256) {
1776 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1779 codec->channel_layout = icodec->channel_layout;
1780 codec->sample_rate = icodec->sample_rate;
1781 codec->channels = icodec->channels;
1782 codec->frame_size = icodec->frame_size;
1783 codec->block_align= icodec->block_align;
1784 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1785 codec->block_align= 0;
1786 if(codec->codec_id == CODEC_ID_AC3)
1787 codec->block_align= 0;
1789 case CODEC_TYPE_VIDEO:
1790 codec->pix_fmt = icodec->pix_fmt;
1791 codec->width = icodec->width;
1792 codec->height = icodec->height;
1793 codec->has_b_frames = icodec->has_b_frames;
1795 case CODEC_TYPE_SUBTITLE:
1796 codec->width = icodec->width;
1797 codec->height = icodec->height;
1803 switch(codec->codec_type) {
1804 case CODEC_TYPE_AUDIO:
1805 ost->fifo= av_fifo_alloc(1024);
1808 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1809 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1810 icodec->request_channels = codec->channels;
1811 ist->decoding_needed = 1;
1812 ost->encoding_needed = 1;
1814 case CODEC_TYPE_VIDEO:
1815 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1816 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1817 ost->video_resample = ((codec->width != icodec->width -
1818 (frame_leftBand + frame_rightBand) +
1819 (frame_padleft + frame_padright)) ||
1820 (codec->height != icodec->height -
1821 (frame_topBand + frame_bottomBand) +
1822 (frame_padtop + frame_padbottom)) ||
1823 (codec->pix_fmt != icodec->pix_fmt));
1824 if (ost->video_crop) {
1825 ost->topBand = frame_topBand;
1826 ost->leftBand = frame_leftBand;
1828 if (ost->video_pad) {
1829 ost->padtop = frame_padtop;
1830 ost->padleft = frame_padleft;
1831 ost->padbottom = frame_padbottom;
1832 ost->padright = frame_padright;
1833 if (!ost->video_resample) {
1834 avcodec_get_frame_defaults(&ost->pict_tmp);
1835 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1836 codec->width, codec->height))
1840 if (ost->video_resample) {
1841 avcodec_get_frame_defaults(&ost->pict_tmp);
1842 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1843 codec->width, codec->height)) {
1844 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1847 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1848 ost->img_resample_ctx = sws_getContext(
1849 icodec->width - (frame_leftBand + frame_rightBand),
1850 icodec->height - (frame_topBand + frame_bottomBand),
1852 codec->width - (frame_padleft + frame_padright),
1853 codec->height - (frame_padtop + frame_padbottom),
1855 sws_flags, NULL, NULL, NULL);
1856 if (ost->img_resample_ctx == NULL) {
1857 fprintf(stderr, "Cannot get resampling context\n");
1860 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1862 ost->encoding_needed = 1;
1863 ist->decoding_needed = 1;
1865 case CODEC_TYPE_SUBTITLE:
1866 ost->encoding_needed = 1;
1867 ist->decoding_needed = 1;
1874 if (ost->encoding_needed &&
1875 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1876 char logfilename[1024];
1881 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1882 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1884 if (codec->flags & CODEC_FLAG_PASS1) {
1885 f = fopen(logfilename, "w");
1887 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1892 /* read the log file */
1893 f = fopen(logfilename, "r");
1895 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1898 fseek(f, 0, SEEK_END);
1900 fseek(f, 0, SEEK_SET);
1901 logbuffer = av_malloc(size + 1);
1903 fprintf(stderr, "Could not allocate log buffer\n");
1906 size = fread(logbuffer, 1, size, f);
1908 logbuffer[size] = '\0';
1909 codec->stats_in = logbuffer;
1913 if(codec->codec_type == CODEC_TYPE_VIDEO){
1914 int size= codec->width * codec->height;
1915 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1920 bit_buffer = av_malloc(bit_buffer_size);
1922 ret = AVERROR(ENOMEM);
1926 /* open each encoder */
1927 for(i=0;i<nb_ostreams;i++) {
1929 if (ost->encoding_needed) {
1930 AVCodec *codec = output_codecs[i];
1932 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1934 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1935 ost->file_index, ost->index);
1936 ret = AVERROR(EINVAL);
1939 if (avcodec_open(ost->st->codec, codec) < 0) {
1940 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1941 ost->file_index, ost->index);
1942 ret = AVERROR(EINVAL);
1945 extra_size += ost->st->codec->extradata_size;
1949 /* open each decoder */
1950 for(i=0;i<nb_istreams;i++) {
1952 if (ist->decoding_needed) {
1953 AVCodec *codec = input_codecs[i];
1955 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1957 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1958 ist->st->codec->codec_id, ist->file_index, ist->index);
1959 ret = AVERROR(EINVAL);
1962 if (avcodec_open(ist->st->codec, codec) < 0) {
1963 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1964 ist->file_index, ist->index);
1965 ret = AVERROR(EINVAL);
1968 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1969 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1974 for(i=0;i<nb_istreams;i++) {
1976 is = input_files[ist->file_index];
1978 ist->next_pts = AV_NOPTS_VALUE;
1982 /* set meta data information from input file if required */
1983 for (i=0;i<nb_meta_data_maps;i++) {
1984 AVFormatContext *out_file;
1985 AVFormatContext *in_file;
1986 AVMetadataTag *mtag;
1988 int out_file_index = meta_data_maps[i].out_file;
1989 int in_file_index = meta_data_maps[i].in_file;
1990 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1991 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
1992 out_file_index, out_file_index, in_file_index);
1993 ret = AVERROR(EINVAL);
1996 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1997 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
1998 in_file_index, out_file_index, in_file_index);
1999 ret = AVERROR(EINVAL);
2003 out_file = output_files[out_file_index];
2004 in_file = input_files[in_file_index];
2008 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2009 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2010 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2011 in_file->iformat->metadata_conv);
2014 /* open files and write file headers */
2015 for(i=0;i<nb_output_files;i++) {
2016 os = output_files[i];
2017 if (av_write_header(os) < 0) {
2018 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2019 ret = AVERROR(EINVAL);
2022 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2028 /* dump the file output parameters - cannot be done before in case
2030 for(i=0;i<nb_output_files;i++) {
2031 dump_format(output_files[i], i, output_files[i]->filename, 1);
2034 /* dump the stream mapping */
2036 fprintf(stderr, "Stream mapping:\n");
2037 for(i=0;i<nb_ostreams;i++) {
2039 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2040 ist_table[ost->source_index]->file_index,
2041 ist_table[ost->source_index]->index,
2044 if (ost->sync_ist != ist_table[ost->source_index])
2045 fprintf(stderr, " [sync #%d.%d]",
2046 ost->sync_ist->file_index,
2047 ost->sync_ist->index);
2048 fprintf(stderr, "\n");
2053 fprintf(stderr, "%s\n", error);
2058 print_sdp(output_files, nb_output_files);
2061 if (!using_stdin && verbose >= 0) {
2062 fprintf(stderr, "Press [q] to stop encoding\n");
2063 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 void 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);
2347 static int opt_verbose(const char *opt, const char *arg)
2349 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2353 static int opt_frame_rate(const char *opt, const char *arg)
2355 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2356 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2362 static int opt_bitrate(const char *opt, const char *arg)
2364 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2366 opt_default(opt, arg);
2368 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2369 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2374 static void opt_frame_crop_top(const char *arg)
2376 frame_topBand = atoi(arg);
2377 if (frame_topBand < 0) {
2378 fprintf(stderr, "Incorrect top crop size\n");
2381 if ((frame_topBand % 2) != 0) {
2382 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2385 if ((frame_topBand) >= frame_height){
2386 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2389 frame_height -= frame_topBand;
2392 static void opt_frame_crop_bottom(const char *arg)
2394 frame_bottomBand = atoi(arg);
2395 if (frame_bottomBand < 0) {
2396 fprintf(stderr, "Incorrect bottom crop size\n");
2399 if ((frame_bottomBand % 2) != 0) {
2400 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2403 if ((frame_bottomBand) >= frame_height){
2404 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2407 frame_height -= frame_bottomBand;
2410 static void opt_frame_crop_left(const char *arg)
2412 frame_leftBand = atoi(arg);
2413 if (frame_leftBand < 0) {
2414 fprintf(stderr, "Incorrect left crop size\n");
2417 if ((frame_leftBand % 2) != 0) {
2418 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2421 if ((frame_leftBand) >= frame_width){
2422 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2425 frame_width -= frame_leftBand;
2428 static void opt_frame_crop_right(const char *arg)
2430 frame_rightBand = atoi(arg);
2431 if (frame_rightBand < 0) {
2432 fprintf(stderr, "Incorrect right crop size\n");
2435 if ((frame_rightBand % 2) != 0) {
2436 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2439 if ((frame_rightBand) >= frame_width){
2440 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2443 frame_width -= frame_rightBand;
2446 static void opt_frame_size(const char *arg)
2448 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2449 fprintf(stderr, "Incorrect frame size\n");
2452 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2453 fprintf(stderr, "Frame size must be a multiple of 2\n");
2459 #define SCALEBITS 10
2460 #define ONE_HALF (1 << (SCALEBITS - 1))
2461 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2463 #define RGB_TO_Y(r, g, b) \
2464 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2465 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2467 #define RGB_TO_U(r1, g1, b1, shift)\
2468 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2469 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2471 #define RGB_TO_V(r1, g1, b1, shift)\
2472 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2473 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2475 static void opt_pad_color(const char *arg) {
2476 /* Input is expected to be six hex digits similar to
2477 how colors are expressed in html tags (but without the #) */
2478 int rgb = strtol(arg, NULL, 16);
2482 g = ((rgb >> 8) & 255);
2485 padcolor[0] = RGB_TO_Y(r,g,b);
2486 padcolor[1] = RGB_TO_U(r,g,b,0);
2487 padcolor[2] = RGB_TO_V(r,g,b,0);
2490 static void opt_frame_pad_top(const char *arg)
2492 frame_padtop = atoi(arg);
2493 if (frame_padtop < 0) {
2494 fprintf(stderr, "Incorrect top pad size\n");
2497 if ((frame_padtop % 2) != 0) {
2498 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2503 static void opt_frame_pad_bottom(const char *arg)
2505 frame_padbottom = atoi(arg);
2506 if (frame_padbottom < 0) {
2507 fprintf(stderr, "Incorrect bottom pad size\n");
2510 if ((frame_padbottom % 2) != 0) {
2511 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2517 static void opt_frame_pad_left(const char *arg)
2519 frame_padleft = atoi(arg);
2520 if (frame_padleft < 0) {
2521 fprintf(stderr, "Incorrect left pad size\n");
2524 if ((frame_padleft % 2) != 0) {
2525 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2531 static void opt_frame_pad_right(const char *arg)
2533 frame_padright = atoi(arg);
2534 if (frame_padright < 0) {
2535 fprintf(stderr, "Incorrect right pad size\n");
2538 if ((frame_padright % 2) != 0) {
2539 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2544 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2548 for (i=-1; i < nb_fmts; i++) {
2549 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2550 fprintf(stdout, "%s\n", fmt_str);
2554 static void opt_frame_pix_fmt(const char *arg)
2556 if (strcmp(arg, "list")) {
2557 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2558 if (frame_pix_fmt == PIX_FMT_NONE) {
2559 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2563 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2568 static void opt_frame_aspect_ratio(const char *arg)
2575 p = strchr(arg, ':');
2577 x = strtol(arg, &end, 10);
2579 y = strtol(end+1, &end, 10);
2581 ar = (double)x / (double)y;
2583 ar = strtod(arg, NULL);
2586 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2589 frame_aspect_ratio = ar;
2592 static int opt_metadata(const char *opt, const char *arg)
2594 char *mid= strchr(arg, '=');
2597 fprintf(stderr, "Missing =\n");
2603 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2604 metadata[metadata_count-1].key = av_strdup(arg);
2605 metadata[metadata_count-1].value= av_strdup(mid);
2610 static void opt_qscale(const char *arg)
2612 video_qscale = atof(arg);
2613 if (video_qscale <= 0 ||
2614 video_qscale > 255) {
2615 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2620 static void opt_top_field_first(const char *arg)
2622 top_field_first= atoi(arg);
2625 static int opt_thread_count(const char *opt, const char *arg)
2627 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2630 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2635 static void opt_audio_sample_fmt(const char *arg)
2637 if (strcmp(arg, "list"))
2638 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2640 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2645 static int opt_audio_rate(const char *opt, const char *arg)
2647 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2651 static int opt_audio_channels(const char *opt, const char *arg)
2653 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2657 static void opt_video_channel(const char *arg)
2659 video_channel = strtol(arg, NULL, 0);
2662 static void opt_video_standard(const char *arg)
2664 video_standard = av_strdup(arg);
2667 static void opt_codec(int *pstream_copy, char **pcodec_name,
2668 int codec_type, const char *arg)
2670 av_freep(pcodec_name);
2671 if (!strcmp(arg, "copy")) {
2674 *pcodec_name = av_strdup(arg);
2678 static void opt_audio_codec(const char *arg)
2680 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2683 static void opt_audio_tag(const char *arg)
2686 audio_codec_tag= strtol(arg, &tail, 0);
2689 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2692 static void opt_video_tag(const char *arg)
2695 video_codec_tag= strtol(arg, &tail, 0);
2698 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2701 static void opt_video_codec(const char *arg)
2703 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2706 static void opt_subtitle_codec(const char *arg)
2708 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2711 static void opt_subtitle_tag(const char *arg)
2714 subtitle_codec_tag= strtol(arg, &tail, 0);
2717 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2720 static void opt_map(const char *arg)
2725 m = &stream_maps[nb_stream_maps++];
2727 m->file_index = strtol(arg, &p, 0);
2731 m->stream_index = strtol(p, &p, 0);
2734 m->sync_file_index = strtol(p, &p, 0);
2737 m->sync_stream_index = strtol(p, &p, 0);
2739 m->sync_file_index = m->file_index;
2740 m->sync_stream_index = m->stream_index;
2744 static void opt_map_meta_data(const char *arg)
2749 m = &meta_data_maps[nb_meta_data_maps++];
2751 m->out_file = strtol(arg, &p, 0);
2755 m->in_file = strtol(p, &p, 0);
2758 static void opt_input_ts_scale(const char *arg)
2760 unsigned int stream;
2764 stream = strtol(arg, &p, 0);
2767 scale= strtod(p, &p);
2769 if(stream >= MAX_STREAMS)
2772 input_files_ts_scale[nb_input_files][stream]= scale;
2775 static int opt_recording_time(const char *opt, const char *arg)
2777 recording_time = parse_time_or_die(opt, arg, 1);
2781 static int opt_start_time(const char *opt, const char *arg)
2783 start_time = parse_time_or_die(opt, arg, 1);
2787 static int opt_rec_timestamp(const char *opt, const char *arg)
2789 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2793 static int opt_input_ts_offset(const char *opt, const char *arg)
2795 input_ts_offset = parse_time_or_die(opt, arg, 1);
2799 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2801 const char *codec_string = encoder ? "encoder" : "decoder";
2805 return CODEC_ID_NONE;
2807 avcodec_find_encoder_by_name(name) :
2808 avcodec_find_decoder_by_name(name);
2810 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2813 if(codec->type != type) {
2814 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2820 static void opt_input_file(const char *filename)
2822 AVFormatContext *ic;
2823 AVFormatParameters params, *ap = ¶ms;
2824 int err, i, ret, rfps, rfps_base;
2827 if (!strcmp(filename, "-"))
2830 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2831 !strcmp(filename, "/dev/stdin");
2833 /* get default parameters from command line */
2834 ic = avformat_alloc_context();
2836 memset(ap, 0, sizeof(*ap));
2837 ap->prealloced_context = 1;
2838 ap->sample_rate = audio_sample_rate;
2839 ap->channels = audio_channels;
2840 ap->time_base.den = frame_rate.num;
2841 ap->time_base.num = frame_rate.den;
2842 ap->width = frame_width + frame_padleft + frame_padright;
2843 ap->height = frame_height + frame_padtop + frame_padbottom;
2844 ap->pix_fmt = frame_pix_fmt;
2845 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2846 ap->channel = video_channel;
2847 ap->standard = video_standard;
2848 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2849 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2850 if(pgmyuv_compatibility_hack)
2851 ap->video_codec_id= CODEC_ID_PGMYUV;
2853 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2855 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2856 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2857 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2858 ic->flags |= AVFMT_FLAG_NONBLOCK;
2860 /* open the input file with generic libav function */
2861 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2863 print_error(filename, err);
2868 for(i=0; i<ic->nb_programs; i++)
2869 if(ic->programs[i]->id != opt_programid)
2870 ic->programs[i]->discard = AVDISCARD_ALL;
2873 ic->loop_input = loop_input;
2875 /* If not enough info to get the stream parameters, we decode the
2876 first frames to get it. (used in mpeg case for example) */
2877 ret = av_find_stream_info(ic);
2878 if (ret < 0 && verbose >= 0) {
2879 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2883 timestamp = start_time;
2884 /* add the stream start time */
2885 if (ic->start_time != AV_NOPTS_VALUE)
2886 timestamp += ic->start_time;
2888 /* if seeking requested, we execute it */
2889 if (start_time != 0) {
2890 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2892 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2893 filename, (double)timestamp / AV_TIME_BASE);
2895 /* reset seek info */
2899 /* update the current parameters so that they match the one of the input stream */
2900 for(i=0;i<ic->nb_streams;i++) {
2901 AVCodecContext *enc = ic->streams[i]->codec;
2903 avcodec_thread_init(enc, thread_count);
2904 enc->thread_count= thread_count;
2905 switch(enc->codec_type) {
2906 case CODEC_TYPE_AUDIO:
2907 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2908 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2909 channel_layout = enc->channel_layout;
2910 audio_channels = enc->channels;
2911 audio_sample_rate = enc->sample_rate;
2912 audio_sample_fmt = enc->sample_fmt;
2913 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2915 ic->streams[i]->discard= AVDISCARD_ALL;
2917 case CODEC_TYPE_VIDEO:
2918 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2919 frame_height = enc->height;
2920 frame_width = enc->width;
2921 if(ic->streams[i]->sample_aspect_ratio.num)
2922 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2924 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2925 frame_aspect_ratio *= (float) enc->width / enc->height;
2926 frame_pix_fmt = enc->pix_fmt;
2927 rfps = ic->streams[i]->r_frame_rate.num;
2928 rfps_base = ic->streams[i]->r_frame_rate.den;
2929 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2931 enc->debug |= FF_DEBUG_MV;
2933 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2936 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2937 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2939 (float)rfps / rfps_base, rfps, rfps_base);
2941 /* update the current frame rate to match the stream frame rate */
2942 frame_rate.num = rfps;
2943 frame_rate.den = rfps_base;
2945 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2947 ic->streams[i]->discard= AVDISCARD_ALL;
2948 else if(video_discard)
2949 ic->streams[i]->discard= video_discard;
2951 case CODEC_TYPE_DATA:
2953 case CODEC_TYPE_SUBTITLE:
2954 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2955 if(subtitle_disable)
2956 ic->streams[i]->discard = AVDISCARD_ALL;
2958 case CODEC_TYPE_ATTACHMENT:
2959 case CODEC_TYPE_UNKNOWN:
2967 input_files[nb_input_files] = ic;
2968 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2969 /* dump the file content */
2971 dump_format(ic, nb_input_files, filename, 0);
2974 file_iformat = NULL;
2975 file_oformat = NULL;
2979 av_freep(&video_codec_name);
2980 av_freep(&audio_codec_name);
2981 av_freep(&subtitle_codec_name);
2984 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2985 int *has_subtitle_ptr)
2987 int has_video, has_audio, has_subtitle, i, j;
2988 AVFormatContext *ic;
2993 for(j=0;j<nb_input_files;j++) {
2994 ic = input_files[j];
2995 for(i=0;i<ic->nb_streams;i++) {
2996 AVCodecContext *enc = ic->streams[i]->codec;
2997 switch(enc->codec_type) {
2998 case CODEC_TYPE_AUDIO:
3001 case CODEC_TYPE_VIDEO:
3004 case CODEC_TYPE_SUBTITLE:
3007 case CODEC_TYPE_DATA:
3008 case CODEC_TYPE_ATTACHMENT:
3009 case CODEC_TYPE_UNKNOWN:
3016 *has_video_ptr = has_video;
3017 *has_audio_ptr = has_audio;
3018 *has_subtitle_ptr = has_subtitle;
3021 static void new_video_stream(AVFormatContext *oc)
3024 AVCodecContext *video_enc;
3027 st = av_new_stream(oc, oc->nb_streams);
3029 fprintf(stderr, "Could not alloc stream\n");
3032 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3033 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3034 video_bitstream_filters= NULL;
3037 avcodec_thread_init(st->codec, thread_count);
3039 video_enc = st->codec;
3042 video_enc->codec_tag= video_codec_tag;
3044 if( (video_global_header&1)
3045 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3046 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3047 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3049 if(video_global_header&2){
3050 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3051 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3054 if (video_stream_copy) {
3055 st->stream_copy = 1;
3056 video_enc->codec_type = CODEC_TYPE_VIDEO;
3057 video_enc->sample_aspect_ratio =
3058 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3063 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3065 if (video_codec_name) {
3066 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3067 codec = avcodec_find_encoder_by_name(video_codec_name);
3068 output_codecs[nb_ocodecs] = codec;
3070 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3071 codec = avcodec_find_encoder(codec_id);
3074 video_enc->codec_id = codec_id;
3076 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3078 if (codec && codec->supported_framerates && !force_fps)
3079 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3080 video_enc->time_base.den = fps.num;
3081 video_enc->time_base.num = fps.den;
3083 video_enc->width = frame_width + frame_padright + frame_padleft;
3084 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3085 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3086 video_enc->pix_fmt = frame_pix_fmt;
3087 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3089 if(codec && codec->pix_fmts){
3090 const enum PixelFormat *p= codec->pix_fmts;
3092 if(*p == video_enc->pix_fmt)
3096 video_enc->pix_fmt = codec->pix_fmts[0];
3100 video_enc->gop_size = 0;
3101 if (video_qscale || same_quality) {
3102 video_enc->flags |= CODEC_FLAG_QSCALE;
3103 video_enc->global_quality=
3104 st->quality = FF_QP2LAMBDA * video_qscale;
3108 video_enc->intra_matrix = intra_matrix;
3110 video_enc->inter_matrix = inter_matrix;
3112 video_enc->thread_count = thread_count;
3113 p= video_rc_override_string;
3116 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3118 fprintf(stderr, "error parsing rc_override\n");
3121 video_enc->rc_override=
3122 av_realloc(video_enc->rc_override,
3123 sizeof(RcOverride)*(i+1));
3124 video_enc->rc_override[i].start_frame= start;
3125 video_enc->rc_override[i].end_frame = end;
3127 video_enc->rc_override[i].qscale= q;
3128 video_enc->rc_override[i].quality_factor= 1.0;
3131 video_enc->rc_override[i].qscale= 0;
3132 video_enc->rc_override[i].quality_factor= -q/100.0;
3137 video_enc->rc_override_count=i;
3138 if (!video_enc->rc_initial_buffer_occupancy)
3139 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3140 video_enc->me_threshold= me_threshold;
3141 video_enc->intra_dc_precision= intra_dc_precision - 8;
3144 video_enc->flags|= CODEC_FLAG_PSNR;
3149 video_enc->flags |= CODEC_FLAG_PASS1;
3151 video_enc->flags |= CODEC_FLAG_PASS2;
3157 /* reset some key parameters */
3159 av_freep(&video_codec_name);
3160 video_stream_copy = 0;
3163 static void new_audio_stream(AVFormatContext *oc)
3166 AVCodecContext *audio_enc;
3169 st = av_new_stream(oc, oc->nb_streams);
3171 fprintf(stderr, "Could not alloc stream\n");
3174 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3176 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3177 audio_bitstream_filters= NULL;
3180 avcodec_thread_init(st->codec, thread_count);
3182 audio_enc = st->codec;
3183 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3186 audio_enc->codec_tag= audio_codec_tag;
3188 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3189 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3190 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3192 if (audio_stream_copy) {
3193 st->stream_copy = 1;
3194 audio_enc->channels = audio_channels;
3198 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3200 if (audio_codec_name) {
3201 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3202 codec = avcodec_find_encoder_by_name(audio_codec_name);
3203 output_codecs[nb_ocodecs] = codec;
3205 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3206 codec = avcodec_find_encoder(codec_id);
3208 audio_enc->codec_id = codec_id;
3210 if (audio_qscale > QSCALE_NONE) {
3211 audio_enc->flags |= CODEC_FLAG_QSCALE;
3212 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3214 audio_enc->thread_count = thread_count;
3215 audio_enc->channels = audio_channels;
3216 audio_enc->sample_fmt = audio_sample_fmt;
3217 audio_enc->channel_layout = channel_layout;
3219 if(codec && codec->sample_fmts){
3220 const enum SampleFormat *p= codec->sample_fmts;
3222 if(*p == audio_enc->sample_fmt)
3226 audio_enc->sample_fmt = codec->sample_fmts[0];
3230 audio_enc->sample_rate = audio_sample_rate;
3231 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3232 if (audio_language) {
3233 av_metadata_set(&st->metadata, "language", audio_language);
3234 av_free(audio_language);
3235 audio_language = NULL;
3238 /* reset some key parameters */
3240 av_freep(&audio_codec_name);
3241 audio_stream_copy = 0;
3244 static void new_subtitle_stream(AVFormatContext *oc)
3247 AVCodecContext *subtitle_enc;
3249 st = av_new_stream(oc, oc->nb_streams);
3251 fprintf(stderr, "Could not alloc stream\n");
3254 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3256 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3257 subtitle_bitstream_filters= NULL;
3259 subtitle_enc = st->codec;
3260 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3262 if(subtitle_codec_tag)
3263 subtitle_enc->codec_tag= subtitle_codec_tag;
3265 if (subtitle_stream_copy) {
3266 st->stream_copy = 1;
3268 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3269 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3270 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3274 if (subtitle_language) {
3275 av_metadata_set(&st->metadata, "language", subtitle_language);
3276 av_free(subtitle_language);
3277 subtitle_language = NULL;
3280 subtitle_disable = 0;
3281 av_freep(&subtitle_codec_name);
3282 subtitle_stream_copy = 0;
3285 static void opt_new_audio_stream(void)
3287 AVFormatContext *oc;
3288 if (nb_output_files <= 0) {
3289 fprintf(stderr, "At least one output file must be specified\n");
3292 oc = output_files[nb_output_files - 1];
3293 new_audio_stream(oc);
3296 static void opt_new_video_stream(void)
3298 AVFormatContext *oc;
3299 if (nb_output_files <= 0) {
3300 fprintf(stderr, "At least one output file must be specified\n");
3303 oc = output_files[nb_output_files - 1];
3304 new_video_stream(oc);
3307 static void opt_new_subtitle_stream(void)
3309 AVFormatContext *oc;
3310 if (nb_output_files <= 0) {
3311 fprintf(stderr, "At least one output file must be specified\n");
3314 oc = output_files[nb_output_files - 1];
3315 new_subtitle_stream(oc);
3318 static void opt_output_file(const char *filename)
3320 AVFormatContext *oc;
3321 int use_video, use_audio, use_subtitle;
3322 int input_has_video, input_has_audio, input_has_subtitle;
3323 AVFormatParameters params, *ap = ¶ms;
3325 if (!strcmp(filename, "-"))
3328 oc = avformat_alloc_context();
3330 if (!file_oformat) {
3331 file_oformat = guess_format(NULL, filename, NULL);
3332 if (!file_oformat) {
3333 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3339 oc->oformat = file_oformat;
3340 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3342 if (!strcmp(file_oformat->name, "ffm") &&
3343 av_strstart(filename, "http:", NULL)) {
3344 /* special case for files sent to ffserver: we get the stream
3345 parameters from ffserver */
3346 int err = read_ffserver_streams(oc, filename);
3348 print_error(filename, err);
3352 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3353 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3354 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3356 /* disable if no corresponding type found and at least one
3358 if (nb_input_files > 0) {
3359 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3360 &input_has_subtitle);
3361 if (!input_has_video)
3363 if (!input_has_audio)
3365 if (!input_has_subtitle)
3369 /* manual disable */
3370 if (audio_disable) {
3373 if (video_disable) {
3376 if (subtitle_disable) {
3381 new_video_stream(oc);
3385 new_audio_stream(oc);
3389 new_subtitle_stream(oc);
3392 oc->timestamp = rec_timestamp;
3394 for(; metadata_count>0; metadata_count--){
3395 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3396 metadata[metadata_count-1].value);
3398 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3401 output_files[nb_output_files++] = oc;
3403 /* check filename in case of an image number is expected */
3404 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3405 if (!av_filename_number_test(oc->filename)) {
3406 print_error(oc->filename, AVERROR_NUMEXPECTED);
3411 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3412 /* test if it already exists to avoid loosing precious files */
3413 if (!file_overwrite &&
3414 (strchr(filename, ':') == NULL ||
3415 filename[1] == ':' ||
3416 av_strstart(filename, "file:", NULL))) {
3417 if (url_exist(filename)) {
3419 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3421 if (!read_yesno()) {
3422 fprintf(stderr, "Not overwriting - exiting\n");
3427 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3434 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3435 fprintf(stderr, "Could not open '%s'\n", filename);
3440 memset(ap, 0, sizeof(*ap));
3441 if (av_set_parameters(oc, ap) < 0) {
3442 fprintf(stderr, "%s: Invalid encoding parameters\n",
3447 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3448 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3449 oc->loop_output = loop_output;
3450 oc->flags |= AVFMT_FLAG_NONBLOCK;
3452 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3454 /* reset some options */
3455 file_oformat = NULL;
3456 file_iformat = NULL;
3459 /* same option as mencoder */
3460 static void opt_pass(const char *pass_str)
3463 pass = atoi(pass_str);
3464 if (pass != 1 && pass != 2) {
3465 fprintf(stderr, "pass number can be only 1 or 2\n");
3471 static int64_t getutime(void)
3474 struct rusage rusage;
3476 getrusage(RUSAGE_SELF, &rusage);
3477 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3478 #elif HAVE_GETPROCESSTIMES
3480 FILETIME c, e, k, u;
3481 proc = GetCurrentProcess();
3482 GetProcessTimes(proc, &c, &e, &k, &u);
3483 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3485 return av_gettime();
3489 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3492 const char *p = str;
3499 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3506 static void opt_inter_matrix(const char *arg)
3508 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3509 parse_matrix_coeffs(inter_matrix, arg);
3512 static void opt_intra_matrix(const char *arg)
3514 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3515 parse_matrix_coeffs(intra_matrix, arg);
3519 * Trivial log callback.
3520 * Only suitable for show_help and similar since it lacks prefix handling.
3522 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3524 vfprintf(stdout, fmt, vl);
3527 static void show_help(void)
3529 av_log_set_callback(log_callback_help);
3530 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3531 "Hyper fast Audio and Video encoder\n");
3533 show_help_options(options, "Main options:\n",
3534 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3535 show_help_options(options, "\nAdvanced options:\n",
3536 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3538 show_help_options(options, "\nVideo options:\n",
3539 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3541 show_help_options(options, "\nAdvanced Video options:\n",
3542 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3543 OPT_VIDEO | OPT_EXPERT);
3544 show_help_options(options, "\nAudio options:\n",
3545 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3547 show_help_options(options, "\nAdvanced Audio options:\n",
3548 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3549 OPT_AUDIO | OPT_EXPERT);
3550 show_help_options(options, "\nSubtitle options:\n",
3551 OPT_SUBTITLE | OPT_GRAB,
3553 show_help_options(options, "\nAudio/Video grab options:\n",
3557 av_opt_show(avcodec_opts[0], NULL);
3559 av_opt_show(avformat_opts, NULL);
3561 av_opt_show(sws_opts, NULL);
3564 static void opt_target(const char *arg)
3567 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3569 if(!strncmp(arg, "pal-", 4)) {
3572 } else if(!strncmp(arg, "ntsc-", 5)) {
3575 } else if(!strncmp(arg, "film-", 5)) {
3580 /* Calculate FR via float to avoid int overflow */
3581 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3584 } else if((fr == 29970) || (fr == 23976)) {
3587 /* Try to determine PAL/NTSC by peeking in the input files */
3588 if(nb_input_files) {
3590 for(j = 0; j < nb_input_files; j++) {
3591 for(i = 0; i < input_files[j]->nb_streams; i++) {
3592 AVCodecContext *c = input_files[j]->streams[i]->codec;
3593 if(c->codec_type != CODEC_TYPE_VIDEO)
3595 fr = c->time_base.den * 1000 / c->time_base.num;
3599 } else if((fr == 29970) || (fr == 23976)) {
3609 if(verbose && norm >= 0)
3610 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3614 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3615 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3616 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3620 if(!strcmp(arg, "vcd")) {
3622 opt_video_codec("mpeg1video");
3623 opt_audio_codec("mp2");
3626 opt_frame_size(norm ? "352x240" : "352x288");
3627 opt_frame_rate(NULL, frame_rates[norm]);
3628 opt_default("gop", norm ? "18" : "15");
3630 opt_default("b", "1150000");
3631 opt_default("maxrate", "1150000");
3632 opt_default("minrate", "1150000");
3633 opt_default("bufsize", "327680"); // 40*1024*8;
3635 opt_default("ab", "224000");
3636 audio_sample_rate = 44100;
3639 opt_default("packetsize", "2324");
3640 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3642 /* We have to offset the PTS, so that it is consistent with the SCR.
3643 SCR starts at 36000, but the first two packs contain only padding
3644 and the first pack from the other stream, respectively, may also have
3645 been written before.
3646 So the real data starts at SCR 36000+3*1200. */
3647 mux_preload= (36000+3*1200) / 90000.0; //0.44
3648 } else if(!strcmp(arg, "svcd")) {
3650 opt_video_codec("mpeg2video");
3651 opt_audio_codec("mp2");
3654 opt_frame_size(norm ? "480x480" : "480x576");
3655 opt_frame_rate(NULL, frame_rates[norm]);
3656 opt_default("gop", norm ? "18" : "15");
3658 opt_default("b", "2040000");
3659 opt_default("maxrate", "2516000");
3660 opt_default("minrate", "0"); //1145000;
3661 opt_default("bufsize", "1835008"); //224*1024*8;
3662 opt_default("flags", "+scan_offset");
3665 opt_default("ab", "224000");
3666 audio_sample_rate = 44100;
3668 opt_default("packetsize", "2324");
3670 } else if(!strcmp(arg, "dvd")) {
3672 opt_video_codec("mpeg2video");
3673 opt_audio_codec("ac3");
3676 opt_frame_size(norm ? "720x480" : "720x576");
3677 opt_frame_rate(NULL, frame_rates[norm]);
3678 opt_default("gop", norm ? "18" : "15");
3680 opt_default("b", "6000000");
3681 opt_default("maxrate", "9000000");
3682 opt_default("minrate", "0"); //1500000;
3683 opt_default("bufsize", "1835008"); //224*1024*8;
3685 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3686 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3688 opt_default("ab", "448000");
3689 audio_sample_rate = 48000;
3691 } else if(!strncmp(arg, "dv", 2)) {
3695 opt_frame_size(norm ? "720x480" : "720x576");
3696 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3697 (norm ? "yuv411p" : "yuv420p"));
3698 opt_frame_rate(NULL, frame_rates[norm]);
3700 audio_sample_rate = 48000;
3704 fprintf(stderr, "Unknown target: %s\n", arg);
3709 static void opt_vstats_file (const char *arg)
3711 av_free (vstats_filename);
3712 vstats_filename=av_strdup (arg);
3715 static void opt_vstats (void)
3718 time_t today2 = time(NULL);
3719 struct tm *today = localtime(&today2);
3721 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3723 opt_vstats_file(filename);
3726 static int opt_bsf(const char *opt, const char *arg)
3728 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3729 AVBitStreamFilterContext **bsfp;
3732 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3736 bsfp= *opt == 'v' ? &video_bitstream_filters :
3737 *opt == 'a' ? &audio_bitstream_filters :
3738 &subtitle_bitstream_filters;
3740 bsfp= &(*bsfp)->next;
3747 static int opt_preset(const char *opt, const char *arg)
3750 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3752 const char *base[2]= { getenv("HOME"),
3756 for(i=!base[0]; i<2 && !f; i++){
3757 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3758 f= fopen(filename, "r");
3760 char *codec_name= *opt == 'v' ? video_codec_name :
3761 *opt == 'a' ? audio_codec_name :
3762 subtitle_codec_name;
3763 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3764 f= fopen(filename, "r");
3767 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3769 av_strlcpy(filename, arg, sizeof(filename));
3770 f= fopen(filename, "r");
3774 fprintf(stderr, "File for preset '%s' not found\n", arg);
3779 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3780 if(line[0] == '#' && !e)
3782 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3784 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3787 if(!strcmp(tmp, "acodec")){
3788 opt_audio_codec(tmp2);
3789 }else if(!strcmp(tmp, "vcodec")){
3790 opt_video_codec(tmp2);
3791 }else if(!strcmp(tmp, "scodec")){
3792 opt_subtitle_codec(tmp2);
3793 }else if(opt_default(tmp, tmp2) < 0){
3794 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3804 static const OptionDef options[] = {
3806 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3807 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3808 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3809 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3810 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3811 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3812 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3813 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3814 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3815 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3816 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3817 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3818 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3819 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3820 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3821 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3822 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3823 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3824 "add timings for benchmarking" },
3825 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3826 "dump each input packet" },
3827 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3828 "when dumping packets, also dump the payload" },
3829 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3830 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3831 { "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)", "" },
3832 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3833 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3834 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3835 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3836 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3837 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3838 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3839 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3840 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3841 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3842 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3843 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3844 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3845 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3848 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3849 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3850 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3851 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3852 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3853 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3854 { "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" },
3855 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3856 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3857 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3858 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3859 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3860 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3861 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3862 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3863 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3864 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3865 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3866 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3867 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3868 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3869 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3870 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3871 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3872 "use same video quality as source (implies VBR)" },
3873 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3874 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3875 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3876 "deinterlace pictures" },
3877 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3878 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3879 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3880 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3881 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3882 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3883 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3884 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3885 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3886 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3887 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3890 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3891 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3892 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3893 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3894 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3895 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3896 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3897 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3898 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3899 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3900 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3901 { "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" },
3903 /* subtitle options */
3904 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3905 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3906 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3907 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3908 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3911 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3912 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3913 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3916 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3917 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3919 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3920 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3921 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3923 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3924 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3925 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3927 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3931 int main(int argc, char **argv)
3936 avcodec_register_all();
3937 avdevice_register_all();
3940 if(isatty(STDIN_FILENO))
3941 url_set_interrupt_cb(decode_interrupt_cb);
3943 for(i=0; i<CODEC_TYPE_NB; i++){
3944 avcodec_opts[i]= avcodec_alloc_context2(i);
3946 avformat_opts = avformat_alloc_context();
3947 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3952 parse_options(argc, argv, options, opt_output_file);
3954 /* file converter / grab */
3955 if (nb_output_files <= 0) {
3956 fprintf(stderr, "At least one output file must be specified\n");
3960 if (nb_input_files == 0) {
3961 fprintf(stderr, "At least one input file must be specified\n");
3966 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3967 stream_maps, nb_stream_maps) < 0)
3969 ti = getutime() - ti;
3971 printf("bench: utime=%0.3fs\n", ti / 1000000.0);