3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
43 #if HAVE_SYS_RESOURCE_H
44 #include <sys/types.h>
45 #include <sys/resource.h>
46 #elif HAVE_GETPROCESSTIMES
51 #include <sys/select.h>
56 #include <sys/ioctl.h>
62 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
72 const char program_name[] = "FFmpeg";
73 const int program_birth_year = 2000;
75 /* select an input stream for an output stream */
76 typedef struct AVStreamMap {
80 int sync_stream_index;
83 /** select an input file for an output file */
84 typedef struct AVMetaDataMap {
89 static const OptionDef options[];
93 static AVFormatContext *input_files[MAX_FILES];
94 static int64_t input_files_ts_offset[MAX_FILES];
95 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
96 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
97 static int nb_input_files = 0;
98 static int nb_icodecs;
100 static AVFormatContext *output_files[MAX_FILES];
101 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
102 static int nb_output_files = 0;
103 static int nb_ocodecs;
105 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
106 static int nb_stream_maps;
108 static AVMetaDataMap meta_data_maps[MAX_FILES];
109 static int nb_meta_data_maps;
111 static AVInputFormat *file_iformat;
112 static AVOutputFormat *file_oformat;
113 static int frame_width = 0;
114 static int frame_height = 0;
115 static float frame_aspect_ratio = 0;
116 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 static int frame_padtop = 0;
119 static int frame_padbottom = 0;
120 static int frame_padleft = 0;
121 static int frame_padright = 0;
122 static int padcolor[3] = {16,128,128}; /* default to black */
123 static int frame_topBand = 0;
124 static int frame_bottomBand = 0;
125 static int frame_leftBand = 0;
126 static int frame_rightBand = 0;
127 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 static AVRational frame_rate;
129 static float video_qscale = 0;
130 static uint16_t *intra_matrix = NULL;
131 static uint16_t *inter_matrix = NULL;
132 #if 0 //experimental, (can be removed)
133 static float video_rc_qsquish=1.0;
134 static float video_rc_qmod_amp=0;
135 static int video_rc_qmod_freq=0;
137 static const char *video_rc_override_string=NULL;
138 static int video_disable = 0;
139 static int video_discard = 0;
140 static char *video_codec_name = NULL;
141 static int video_codec_tag = 0;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int loop_input = 0;
148 static int loop_output = AVFMT_NOOUTPUTLOOP;
149 static int qp_hist = 0;
151 static int intra_only = 0;
152 static int audio_sample_rate = 44100;
153 static int64_t channel_layout = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 1;
158 static char *audio_codec_name = NULL;
159 static int audio_codec_tag = 0;
160 static char *audio_language = NULL;
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static int subtitle_codec_tag = 0;
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
197 static int rate_emu = 0;
199 static int video_channel = 0;
200 static char *video_standard;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = 0;
216 static int force_fps = 0;
218 static int pgmyuv_compatibility_hack=0;
219 static float dts_delta_threshold = 10;
221 static unsigned int sws_flags = SWS_BICUBIC;
223 static int64_t timer_start;
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 static uint8_t *audio_out2;
229 static short *samples;
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238 struct AVInputStream;
240 typedef struct AVOutputStream {
241 int file_index; /* file index */
242 int index; /* stream index in the output file */
243 int source_index; /* AVInputStream index */
244 AVStream *st; /* stream in the output file */
245 int encoding_needed; /* true if encoding needed for this stream */
247 /* input pts and corresponding output pts
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream *sync_ist; /* input stream to sync against */
251 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
254 AVFrame pict_tmp; /* temporary image for resampling */
255 struct SwsContext *img_resample_ctx; /* for image resampling */
259 int topBand; /* cropping area sizes */
263 int padtop; /* padding area sizes */
270 ReSampleContext *resample; /* for audio resampling */
272 AVAudioConvert *reformat_ctx;
273 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
277 typedef struct AVInputStream {
281 int discard; /* true if stream data should be discarded */
282 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
283 int64_t sample_index; /* current sample */
285 int64_t start; /* time when read started */
286 int64_t next_pts; /* synthetic pts for cases where pkt.pts
288 int64_t pts; /* current pts */
289 int is_start; /* is 1 at the start and after a discontinuity */
292 typedef struct AVInputFile {
293 int eof_reached; /* true if eof reached */
294 int ist_index; /* index of first stream in ist_table */
295 int buffer_size; /* current total buffer size */
296 int nb_streams; /* nb streams we are aware of */
301 /* init terminal so that we can grab keys */
302 static struct termios oldtty;
305 static void term_exit(void)
308 tcsetattr (0, TCSANOW, &oldtty);
312 static volatile sig_atomic_t received_sigterm = 0;
315 sigterm_handler(int sig)
317 received_sigterm = sig;
321 static void term_init(void)
329 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
330 |INLCR|IGNCR|ICRNL|IXON);
331 tty.c_oflag |= OPOST;
332 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
333 tty.c_cflag &= ~(CSIZE|PARENB);
338 tcsetattr (0, TCSANOW, &tty);
339 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
342 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
343 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
345 register a function to be called at normal program termination
348 #if CONFIG_BEOS_NETSERVER
349 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
353 /* read a key without blocking */
354 static int read_key(void)
359 #if !CONFIG_BEOS_NETSERVER
367 n = select(1, &rfds, NULL, NULL, &tv);
383 static int decode_interrupt_cb(void)
385 return q_pressed || (q_pressed = read_key() == 'q');
388 static int av_exit(int ret)
393 for(i=0;i<nb_output_files;i++) {
394 /* maybe av_close_output_file ??? */
395 AVFormatContext *s = output_files[i];
397 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
399 for(j=0;j<s->nb_streams;j++) {
400 av_metadata_free(&s->streams[j]->metadata);
401 av_free(s->streams[j]->codec);
402 av_free(s->streams[j]);
404 for(j=0;j<s->nb_programs;j++) {
405 av_metadata_free(&s->programs[j]->metadata);
407 for(j=0;j<s->nb_chapters;j++) {
408 av_metadata_free(&s->chapters[j]->metadata);
410 av_metadata_free(&s->metadata);
413 for(i=0;i<nb_input_files;i++)
414 av_close_input_file(input_files[i]);
416 av_free(intra_matrix);
417 av_free(inter_matrix);
421 av_free(vstats_filename);
425 av_free(video_codec_name);
426 av_free(audio_codec_name);
427 av_free(subtitle_codec_name);
429 av_free(video_standard);
431 #if CONFIG_POWERPC_PERF
432 void powerpc_display_perf_report(void);
433 powerpc_display_perf_report();
434 #endif /* CONFIG_POWERPC_PERF */
436 for (i=0;i<CODEC_TYPE_NB;i++)
437 av_free(avcodec_opts[i]);
438 av_free(avformat_opts);
445 if (received_sigterm) {
447 "Received signal %d: terminating.\n",
448 (int) received_sigterm);
452 exit(ret); /* not all OS-es handle main() return value */
456 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
462 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
465 /* copy stream format */
466 s->nb_streams = ic->nb_streams;
467 for(i=0;i<ic->nb_streams;i++) {
470 // FIXME: a more elegant solution is needed
471 st = av_mallocz(sizeof(AVStream));
472 memcpy(st, ic->streams[i], sizeof(AVStream));
473 st->codec = avcodec_alloc_context();
474 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
477 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
479 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
482 if(!st->codec->thread_count)
483 st->codec->thread_count = 1;
484 if(st->codec->thread_count>1)
485 avcodec_thread_init(st->codec, st->codec->thread_count);
487 if(st->codec->flags & CODEC_FLAG_BITEXACT)
492 s->timestamp = av_gettime();
494 av_close_input_file(ic);
499 get_sync_ipts(const AVOutputStream *ost)
501 const AVInputStream *ist = ost->sync_ist;
502 return (double)(ist->pts - start_time)/AV_TIME_BASE;
505 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
509 AVPacket new_pkt= *pkt;
510 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
511 &new_pkt.data, &new_pkt.size,
512 pkt->data, pkt->size,
513 pkt->flags & PKT_FLAG_KEY);
516 new_pkt.destruct= av_destruct_packet;
518 fprintf(stderr, "%s failed for stream %d, codec %s",
519 bsfc->filter->name, pkt->stream_index,
520 avctx->codec ? avctx->codec->name : "copy");
530 ret= av_interleaved_write_frame(s, pkt);
532 print_error("av_interleaved_write_frame()", ret);
537 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
539 static void do_audio_out(AVFormatContext *s,
542 unsigned char *buf, int size)
545 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
547 int size_out, frame_bytes, ret;
548 AVCodecContext *enc= ost->st->codec;
549 AVCodecContext *dec= ist->st->codec;
550 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
551 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
553 /* SC: dynamic allocation of buffers */
555 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
557 audio_out = av_malloc(audio_out_size);
558 if (!audio_buf || !audio_out)
559 return; /* Should signal an error ! */
561 if (enc->channels != dec->channels)
562 ost->audio_resample = 1;
564 if (ost->audio_resample && !ost->resample) {
565 if (dec->sample_fmt != SAMPLE_FMT_S16)
566 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
567 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
568 enc->sample_rate, dec->sample_rate,
569 enc->sample_fmt, dec->sample_fmt,
571 if (!ost->resample) {
572 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
573 dec->channels, dec->sample_rate,
574 enc->channels, enc->sample_rate);
579 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
580 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
581 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
583 audio_out2 = av_malloc(audio_out_size);
586 if (ost->reformat_ctx)
587 av_audio_convert_free(ost->reformat_ctx);
588 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
589 dec->sample_fmt, 1, NULL, 0);
590 if (!ost->reformat_ctx) {
591 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
592 avcodec_get_sample_fmt_name(dec->sample_fmt),
593 avcodec_get_sample_fmt_name(enc->sample_fmt));
596 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
599 if(audio_sync_method){
600 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
601 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
602 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
603 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
605 //FIXME resample delay
606 if(fabs(delta) > 50){
607 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
609 byte_delta= FFMAX(byte_delta, -size);
613 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
618 static uint8_t *input_tmp= NULL;
619 input_tmp= av_realloc(input_tmp, byte_delta + size);
621 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
624 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
626 memset(input_tmp, 0, byte_delta);
627 memcpy(input_tmp + byte_delta, buf, size);
631 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
633 }else if(audio_sync_method>1){
634 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
635 assert(ost->audio_resample);
637 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
638 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
639 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
643 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
644 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
646 if (ost->audio_resample) {
648 size_out = audio_resample(ost->resample,
649 (short *)buftmp, (short *)buf,
650 size / (ist->st->codec->channels * isize));
651 size_out = size_out * enc->channels * osize;
657 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
658 const void *ibuf[6]= {buftmp};
659 void *obuf[6]= {audio_out2};
660 int istride[6]= {isize};
661 int ostride[6]= {osize};
662 int len= size_out/istride[0];
663 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
664 printf("av_audio_convert() failed\n");
670 size_out = len*osize;
673 /* now encode as many frames as possible */
674 if (enc->frame_size > 1) {
675 /* output resampled raw samples */
676 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
677 fprintf(stderr, "av_fifo_realloc2() failed\n");
680 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
682 frame_bytes = enc->frame_size * osize * enc->channels;
684 while (av_fifo_size(ost->fifo) >= frame_bytes) {
686 av_init_packet(&pkt);
688 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
690 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
692 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
695 fprintf(stderr, "Audio encoding failed\n");
699 pkt.stream_index= ost->index;
702 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
703 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
704 pkt.flags |= PKT_FLAG_KEY;
705 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
707 ost->sync_opts += enc->frame_size;
711 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
712 av_init_packet(&pkt);
714 ost->sync_opts += size_out / (osize * enc->channels);
716 /* output a pcm frame */
717 /* determine the size of the coded buffer */
720 size_out *= coded_bps;
722 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
723 ret = avcodec_encode_audio(enc, audio_out, size_out,
726 fprintf(stderr, "Audio encoding failed\n");
730 pkt.stream_index= ost->index;
733 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
734 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
735 pkt.flags |= PKT_FLAG_KEY;
736 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
740 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
744 AVPicture picture_tmp;
747 dec = ist->st->codec;
749 /* deinterlace : must be done before any resize */
750 if (do_deinterlace) {
753 /* create temporary picture */
754 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
755 buf = av_malloc(size);
759 picture2 = &picture_tmp;
760 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
763 if(avpicture_deinterlace(picture2, picture,
764 dec->pix_fmt, dec->width, dec->height) < 0) {
765 /* if error, do not deinterlace */
766 fprintf(stderr, "Deinterlacing failed\n");
772 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
778 if (picture != picture2)
779 *picture = *picture2;
783 /* we begin to correct av delay at this threshold */
784 #define AV_DELAY_MAX 0.100
786 static void do_subtitle_out(AVFormatContext *s,
792 static uint8_t *subtitle_out = NULL;
793 int subtitle_out_max_size = 65536;
794 int subtitle_out_size, nb, i;
798 if (pts == AV_NOPTS_VALUE) {
799 fprintf(stderr, "Subtitle packets must have a pts\n");
805 enc = ost->st->codec;
808 subtitle_out = av_malloc(subtitle_out_max_size);
811 /* Note: DVB subtitle need one packet to draw them and one other
812 packet to clear them */
813 /* XXX: signal it in the codec context ? */
814 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
819 for(i = 0; i < nb; i++) {
820 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
821 subtitle_out_max_size, sub);
823 av_init_packet(&pkt);
824 pkt.stream_index = ost->index;
825 pkt.data = subtitle_out;
826 pkt.size = subtitle_out_size;
827 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
828 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
829 /* XXX: the pts correction is handled here. Maybe handling
830 it in the codec would be better */
832 pkt.pts += 90 * sub->start_display_time;
834 pkt.pts += 90 * sub->end_display_time;
836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
840 static int bit_buffer_size= 1024*256;
841 static uint8_t *bit_buffer= NULL;
843 static void do_video_out(AVFormatContext *s,
849 int nb_frames, i, ret;
850 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
851 AVFrame picture_crop_temp, picture_pad_temp;
852 AVCodecContext *enc, *dec;
854 avcodec_get_frame_defaults(&picture_crop_temp);
855 avcodec_get_frame_defaults(&picture_pad_temp);
857 enc = ost->st->codec;
858 dec = ist->st->codec;
860 /* by default, we output a single frame */
865 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
867 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
868 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
871 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
875 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
876 }else if (vdelta > 1.1)
877 nb_frames = lrintf(vdelta);
878 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
882 fprintf(stderr, "*** drop!\n");
883 }else if (nb_frames > 1) {
884 nb_frames_dup += nb_frames;
886 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
889 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
891 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
895 if (ost->video_crop) {
896 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
897 fprintf(stderr, "error cropping picture\n");
902 formatted_picture = &picture_crop_temp;
904 formatted_picture = in_picture;
907 final_picture = formatted_picture;
908 padding_src = formatted_picture;
909 resampling_dst = &ost->pict_tmp;
910 if (ost->video_pad) {
911 final_picture = &ost->pict_tmp;
912 if (ost->video_resample) {
913 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
914 fprintf(stderr, "error padding picture\n");
919 resampling_dst = &picture_pad_temp;
923 if (ost->video_resample) {
925 final_picture = &ost->pict_tmp;
926 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
927 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
930 if (ost->video_pad) {
931 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
932 enc->height, enc->width, enc->pix_fmt,
933 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
936 /* duplicates frame if needed */
937 for(i=0;i<nb_frames;i++) {
939 av_init_packet(&pkt);
940 pkt.stream_index= ost->index;
942 if (s->oformat->flags & AVFMT_RAWPICTURE) {
943 /* raw pictures are written as AVPicture structure to
944 avoid any copies. We support temorarily the older
946 AVFrame* old_frame = enc->coded_frame;
947 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
948 pkt.data= (uint8_t *)final_picture;
949 pkt.size= sizeof(AVPicture);
950 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
951 pkt.flags |= PKT_FLAG_KEY;
953 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
954 enc->coded_frame = old_frame;
958 big_picture= *final_picture;
959 /* better than nothing: use input picture interlaced
961 big_picture.interlaced_frame = in_picture->interlaced_frame;
962 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
963 if(top_field_first == -1)
964 big_picture.top_field_first = in_picture->top_field_first;
966 big_picture.top_field_first = top_field_first;
969 /* handles sameq here. This is not correct because it may
970 not be a global option */
972 big_picture.quality = ist->st->quality;
974 big_picture.quality = ost->st->quality;
976 big_picture.pict_type = 0;
977 // big_picture.pts = AV_NOPTS_VALUE;
978 big_picture.pts= ost->sync_opts;
979 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
980 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
981 ret = avcodec_encode_video(enc,
982 bit_buffer, bit_buffer_size,
985 fprintf(stderr, "Video encoding failed\n");
988 //enc->frame_number = enc->real_pict_num;
990 pkt.data= bit_buffer;
992 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
993 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
994 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
995 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
996 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
998 if(enc->coded_frame->key_frame)
999 pkt.flags |= PKT_FLAG_KEY;
1000 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1003 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1004 // enc->frame_number-1, enc->real_pict_num, ret,
1006 /* if two pass, output log */
1007 if (ost->logfile && enc->stats_out) {
1008 fprintf(ost->logfile, "%s", enc->stats_out);
1013 ost->frame_number++;
1017 static double psnr(double d){
1018 return -10.0*log(d)/log(10.0);
1021 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1024 AVCodecContext *enc;
1026 double ti1, bitrate, avg_bitrate;
1028 /* this is executed just the first time do_video_stats is called */
1030 vstats_file = fopen(vstats_filename, "w");
1037 enc = ost->st->codec;
1038 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1039 frame_number = ost->frame_number;
1040 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1041 if (enc->flags&CODEC_FLAG_PSNR)
1042 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1044 fprintf(vstats_file,"f_size= %6d ", frame_size);
1045 /* compute pts value */
1046 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1050 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1051 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1052 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1053 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1054 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1058 static void print_report(AVFormatContext **output_files,
1059 AVOutputStream **ost_table, int nb_ostreams,
1063 AVOutputStream *ost;
1064 AVFormatContext *oc;
1066 AVCodecContext *enc;
1067 int frame_number, vid, i;
1068 double bitrate, ti1, pts;
1069 static int64_t last_time = -1;
1070 static int qp_histogram[52];
1072 if (!is_last_report) {
1074 /* display the report every 0.5 seconds */
1075 cur_time = av_gettime();
1076 if (last_time == -1) {
1077 last_time = cur_time;
1080 if ((cur_time - last_time) < 500000)
1082 last_time = cur_time;
1086 oc = output_files[0];
1088 total_size = url_fsize(oc->pb);
1089 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1090 total_size= url_ftell(oc->pb);
1095 for(i=0;i<nb_ostreams;i++) {
1097 enc = ost->st->codec;
1098 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1099 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1100 !ost->st->stream_copy ?
1101 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1103 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1104 float t = (av_gettime()-timer_start) / 1000000.0;
1106 frame_number = ost->frame_number;
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1108 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1109 !ost->st->stream_copy ?
1110 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1115 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1116 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1121 if (enc->flags&CODEC_FLAG_PSNR){
1123 double error, error_sum=0;
1124 double scale, scale_sum=0;
1125 char type[3]= {'Y','U','V'};
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1129 error= enc->error[j];
1130 scale= enc->width*enc->height*255.0*255.0*frame_number;
1132 error= enc->coded_frame->error[j];
1133 scale= enc->width*enc->height*255.0*255.0;
1138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1144 /* compute min output value */
1145 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1146 if ((pts < ti1) && (pts > 0))
1152 if (verbose || is_last_report) {
1153 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1156 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1157 (double)total_size / 1024, ti1, bitrate);
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1161 nb_frames_dup, nb_frames_drop);
1164 fprintf(stderr, "%s \r", buf);
1169 if (is_last_report && verbose >= 0){
1170 int64_t raw= audio_size + video_size + extra_size;
1171 fprintf(stderr, "\n");
1172 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1176 100.0*(total_size - raw)/raw
1181 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1182 static int output_packet(AVInputStream *ist, int ist_index,
1183 AVOutputStream **ost_table, int nb_ostreams,
1184 const AVPacket *pkt)
1186 AVFormatContext *os;
1187 AVOutputStream *ost;
1190 int data_size, got_picture;
1192 void *buffer_to_free;
1193 static unsigned int samples_size= 0;
1194 AVSubtitle subtitle, *subtitle_to_free;
1198 if(ist->next_pts == AV_NOPTS_VALUE)
1199 ist->next_pts= ist->pts;
1203 av_init_packet(&avpkt);
1211 if(pkt->dts != AV_NOPTS_VALUE)
1212 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1214 //while we have more to decode or while the decoder did output something on EOF
1215 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1217 ist->pts= ist->next_pts;
1219 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1220 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1222 /* decode the packet if needed */
1223 data_buf = NULL; /* fail safe */
1225 subtitle_to_free = NULL;
1226 if (ist->decoding_needed) {
1227 switch(ist->st->codec->codec_type) {
1228 case CODEC_TYPE_AUDIO:{
1229 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1230 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1232 samples= av_malloc(samples_size);
1234 data_size= samples_size;
1235 /* XXX: could avoid copy if PCM 16 bits with same
1236 endianness as CPU */
1237 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1243 /* Some bug in mpeg audio decoder gives */
1244 /* data_size < 0, it seems they are overflows */
1245 if (data_size <= 0) {
1246 /* no audio frame */
1249 data_buf = (uint8_t *)samples;
1250 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1251 (ist->st->codec->sample_rate * ist->st->codec->channels);
1253 case CODEC_TYPE_VIDEO:
1254 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1255 /* XXX: allocate picture correctly */
1256 avcodec_get_frame_defaults(&picture);
1258 ret = avcodec_decode_video2(ist->st->codec,
1259 &picture, &got_picture, &avpkt);
1260 ist->st->quality= picture.quality;
1264 /* no picture yet */
1265 goto discard_packet;
1267 if (ist->st->codec->time_base.num != 0) {
1268 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1269 ist->next_pts += ((int64_t)AV_TIME_BASE *
1270 ist->st->codec->time_base.num * ticks) /
1271 ist->st->codec->time_base.den;
1275 case CODEC_TYPE_SUBTITLE:
1276 ret = avcodec_decode_subtitle2(ist->st->codec,
1277 &subtitle, &got_subtitle, &avpkt);
1280 if (!got_subtitle) {
1281 goto discard_packet;
1283 subtitle_to_free = &subtitle;
1290 switch(ist->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1293 ist->st->codec->sample_rate;
1295 case CODEC_TYPE_VIDEO:
1296 if (ist->st->codec->time_base.num != 0) {
1297 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1298 ist->next_pts += ((int64_t)AV_TIME_BASE *
1299 ist->st->codec->time_base.num * ticks) /
1300 ist->st->codec->time_base.den;
1304 data_buf = avpkt.data;
1305 data_size = avpkt.size;
1310 buffer_to_free = NULL;
1311 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1312 pre_process_video_frame(ist, (AVPicture *)&picture,
1316 // preprocess audio (volume)
1317 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1318 if (audio_volume != 256) {
1321 for(i=0;i<(data_size / sizeof(short));i++) {
1322 int v = ((*volp) * audio_volume + 128) >> 8;
1323 if (v < -32768) v = -32768;
1324 if (v > 32767) v = 32767;
1330 /* frame rate emulation */
1332 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1333 int64_t now = av_gettime() - ist->start;
1338 /* if output time reached then transcode raw format,
1339 encode packets and output them */
1340 if (start_time == 0 || ist->pts >= start_time)
1341 for(i=0;i<nb_ostreams;i++) {
1345 if (ost->source_index == ist_index) {
1346 os = output_files[ost->file_index];
1349 printf("%d: got pts=%0.3f %0.3f\n", i,
1350 (double)pkt->pts / AV_TIME_BASE,
1351 ((double)ist->pts / AV_TIME_BASE) -
1352 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1354 /* set the input output pts pairs */
1355 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1357 if (ost->encoding_needed) {
1358 switch(ost->st->codec->codec_type) {
1359 case CODEC_TYPE_AUDIO:
1360 do_audio_out(os, ost, ist, data_buf, data_size);
1362 case CODEC_TYPE_VIDEO:
1363 do_video_out(os, ost, ist, &picture, &frame_size);
1364 if (vstats_filename && frame_size)
1365 do_video_stats(os, ost, frame_size);
1367 case CODEC_TYPE_SUBTITLE:
1368 do_subtitle_out(os, ost, ist, &subtitle,
1375 AVFrame avframe; //FIXME/XXX remove this
1377 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1379 av_init_packet(&opkt);
1381 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1384 /* no reencoding needed : output the packet directly */
1385 /* force the input stream PTS */
1387 avcodec_get_frame_defaults(&avframe);
1388 ost->st->codec->coded_frame= &avframe;
1389 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1391 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1392 audio_size += data_size;
1393 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1394 video_size += data_size;
1398 opkt.stream_index= ost->index;
1399 if(pkt->pts != AV_NOPTS_VALUE)
1400 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1402 opkt.pts= AV_NOPTS_VALUE;
1404 if (pkt->dts == AV_NOPTS_VALUE)
1405 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1407 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1408 opkt.dts -= ost_tb_start_time;
1410 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1411 opkt.flags= pkt->flags;
1413 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1414 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1415 opkt.destruct= av_destruct_packet;
1417 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1418 ost->st->codec->frame_number++;
1419 ost->frame_number++;
1420 av_free_packet(&opkt);
1424 av_free(buffer_to_free);
1425 /* XXX: allocate the subtitles in the codec ? */
1426 if (subtitle_to_free) {
1427 if (subtitle_to_free->rects != NULL) {
1428 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1429 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1430 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1431 av_freep(&subtitle_to_free->rects[i]);
1433 av_freep(&subtitle_to_free->rects);
1435 subtitle_to_free->num_rects = 0;
1436 subtitle_to_free = NULL;
1443 for(i=0;i<nb_ostreams;i++) {
1445 if (ost->source_index == ist_index) {
1446 AVCodecContext *enc= ost->st->codec;
1447 os = output_files[ost->file_index];
1449 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1451 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1454 if (ost->encoding_needed) {
1458 av_init_packet(&pkt);
1459 pkt.stream_index= ost->index;
1461 switch(ost->st->codec->codec_type) {
1462 case CODEC_TYPE_AUDIO:
1463 fifo_bytes = av_fifo_size(ost->fifo);
1465 /* encode any samples remaining in fifo */
1466 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1467 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1468 int fs_tmp = enc->frame_size;
1469 enc->frame_size = fifo_bytes / (osize * enc->channels);
1470 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1471 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1472 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1473 ost->st->time_base.num, enc->sample_rate);
1474 enc->frame_size = fs_tmp;
1477 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1480 fprintf(stderr, "Audio encoding failed\n");
1484 pkt.flags |= PKT_FLAG_KEY;
1486 case CODEC_TYPE_VIDEO:
1487 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1489 fprintf(stderr, "Video encoding failed\n");
1493 if(enc->coded_frame && enc->coded_frame->key_frame)
1494 pkt.flags |= PKT_FLAG_KEY;
1495 if (ost->logfile && enc->stats_out) {
1496 fprintf(ost->logfile, "%s", enc->stats_out);
1505 pkt.data= bit_buffer;
1507 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1508 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1509 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1521 static void print_sdp(AVFormatContext **avc, int n)
1525 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1526 printf("SDP:\n%s\n", sdp);
1530 static int stream_index_from_inputs(AVFormatContext **input_files,
1532 AVInputFile *file_table,
1533 AVInputStream **ist_table,
1534 enum CodecType type,
1538 for(z=0; z<nb_input_files; z++) {
1539 AVFormatContext *ic = input_files[z];
1540 for(p=0; p<ic->nb_programs; p++) {
1541 AVProgram *program = ic->programs[p];
1542 if(program->id != programid)
1544 for(q=0; q<program->nb_stream_indexes; q++) {
1545 int sidx = program->stream_index[q];
1546 int ris = file_table[z].ist_index + sidx;
1547 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1557 * The following code is the main loop of the file converter
1559 static int av_encode(AVFormatContext **output_files,
1560 int nb_output_files,
1561 AVFormatContext **input_files,
1563 AVStreamMap *stream_maps, int nb_stream_maps)
1565 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1566 AVFormatContext *is, *os;
1567 AVCodecContext *codec, *icodec;
1568 AVOutputStream *ost, **ost_table = NULL;
1569 AVInputStream *ist, **ist_table = NULL;
1570 AVInputFile *file_table;
1574 uint8_t no_packet[MAX_FILES]={0};
1575 int no_packet_count=0;
1577 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1581 /* input stream init */
1583 for(i=0;i<nb_input_files;i++) {
1584 is = input_files[i];
1585 file_table[i].ist_index = j;
1586 file_table[i].nb_streams = is->nb_streams;
1587 j += is->nb_streams;
1591 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1595 for(i=0;i<nb_istreams;i++) {
1596 ist = av_mallocz(sizeof(AVInputStream));
1602 for(i=0;i<nb_input_files;i++) {
1603 is = input_files[i];
1604 for(k=0;k<is->nb_streams;k++) {
1605 ist = ist_table[j++];
1606 ist->st = is->streams[k];
1607 ist->file_index = i;
1609 ist->discard = 1; /* the stream is discarded by default
1613 ist->start = av_gettime();
1618 /* output stream init */
1620 for(i=0;i<nb_output_files;i++) {
1621 os = output_files[i];
1622 if (!os->nb_streams) {
1623 dump_format(output_files[i], i, output_files[i]->filename, 1);
1624 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1627 nb_ostreams += os->nb_streams;
1629 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1630 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1634 /* Sanity check the mapping args -- do the input files & streams exist? */
1635 for(i=0;i<nb_stream_maps;i++) {
1636 int fi = stream_maps[i].file_index;
1637 int si = stream_maps[i].stream_index;
1639 if (fi < 0 || fi > nb_input_files - 1 ||
1640 si < 0 || si > file_table[fi].nb_streams - 1) {
1641 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1644 fi = stream_maps[i].sync_file_index;
1645 si = stream_maps[i].sync_stream_index;
1646 if (fi < 0 || fi > nb_input_files - 1 ||
1647 si < 0 || si > file_table[fi].nb_streams - 1) {
1648 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1653 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1656 for(i=0;i<nb_ostreams;i++) {
1657 ost = av_mallocz(sizeof(AVOutputStream));
1664 for(k=0;k<nb_output_files;k++) {
1665 os = output_files[k];
1666 for(i=0;i<os->nb_streams;i++,n++) {
1669 ost->file_index = k;
1671 ost->st = os->streams[i];
1672 if (nb_stream_maps > 0) {
1673 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1674 stream_maps[n].stream_index;
1676 /* Sanity check that the stream types match */
1677 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1678 int i= ost->file_index;
1679 dump_format(output_files[i], i, output_files[i]->filename, 1);
1680 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1681 stream_maps[n].file_index, stream_maps[n].stream_index,
1682 ost->file_index, ost->index);
1689 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1691 ost->source_index = j;
1695 /* get corresponding input stream index : we select the first one with the right type */
1697 for(j=0;j<nb_istreams;j++) {
1700 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1701 ost->source_index = j;
1709 if(! opt_programid) {
1710 /* try again and reuse existing stream */
1711 for(j=0;j<nb_istreams;j++) {
1713 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1714 ost->source_index = j;
1720 int i= ost->file_index;
1721 dump_format(output_files[i], i, output_files[i]->filename, 1);
1722 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1723 ost->file_index, ost->index);
1728 ist = ist_table[ost->source_index];
1730 ost->sync_ist = (nb_stream_maps > 0) ?
1731 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1732 stream_maps[n].sync_stream_index] : ist;
1736 /* for each output stream, we compute the right encoding parameters */
1737 for(i=0;i<nb_ostreams;i++) {
1738 AVMetadataTag *lang;
1740 os = output_files[ost->file_index];
1741 ist = ist_table[ost->source_index];
1743 codec = ost->st->codec;
1744 icodec = ist->st->codec;
1746 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1747 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1748 av_metadata_set(&ost->st->metadata, "language", lang->value);
1750 ost->st->disposition = ist->st->disposition;
1751 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
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);
1861 codec->bits_per_raw_sample= 0;
1863 ost->encoding_needed = 1;
1864 ist->decoding_needed = 1;
1866 case CODEC_TYPE_SUBTITLE:
1867 ost->encoding_needed = 1;
1868 ist->decoding_needed = 1;
1875 if (ost->encoding_needed &&
1876 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1877 char logfilename[1024];
1882 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1883 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1885 if (codec->flags & CODEC_FLAG_PASS1) {
1886 f = fopen(logfilename, "w");
1888 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1893 /* read the log file */
1894 f = fopen(logfilename, "r");
1896 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1899 fseek(f, 0, SEEK_END);
1901 fseek(f, 0, SEEK_SET);
1902 logbuffer = av_malloc(size + 1);
1904 fprintf(stderr, "Could not allocate log buffer\n");
1907 size = fread(logbuffer, 1, size, f);
1909 logbuffer[size] = '\0';
1910 codec->stats_in = logbuffer;
1914 if(codec->codec_type == CODEC_TYPE_VIDEO){
1915 int size= codec->width * codec->height;
1916 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1921 bit_buffer = av_malloc(bit_buffer_size);
1923 ret = AVERROR(ENOMEM);
1927 /* open each encoder */
1928 for(i=0;i<nb_ostreams;i++) {
1930 if (ost->encoding_needed) {
1931 AVCodec *codec = output_codecs[i];
1933 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1935 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1936 ost->file_index, ost->index);
1937 ret = AVERROR(EINVAL);
1940 if (avcodec_open(ost->st->codec, codec) < 0) {
1941 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1942 ost->file_index, ost->index);
1943 ret = AVERROR(EINVAL);
1946 extra_size += ost->st->codec->extradata_size;
1950 /* open each decoder */
1951 for(i=0;i<nb_istreams;i++) {
1953 if (ist->decoding_needed) {
1954 AVCodec *codec = input_codecs[i];
1956 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1958 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1959 ist->st->codec->codec_id, ist->file_index, ist->index);
1960 ret = AVERROR(EINVAL);
1963 if (avcodec_open(ist->st->codec, codec) < 0) {
1964 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1965 ist->file_index, ist->index);
1966 ret = AVERROR(EINVAL);
1969 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1970 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1975 for(i=0;i<nb_istreams;i++) {
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);
2067 timer_start = av_gettime();
2069 for(; received_sigterm == 0;) {
2070 int file_index, ist_index;
2078 /* if 'q' pressed, exits */
2082 /* read_key() returns 0 on EOF */
2088 /* select the stream that we must read now by looking at the
2089 smallest output pts */
2091 for(i=0;i<nb_ostreams;i++) {
2094 os = output_files[ost->file_index];
2095 ist = ist_table[ost->source_index];
2096 if(no_packet[ist->file_index])
2098 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2099 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2101 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2102 ipts = (double)ist->pts;
2103 if (!file_table[ist->file_index].eof_reached){
2104 if(ipts < ipts_min) {
2106 if(input_sync ) file_index = ist->file_index;
2108 if(opts < opts_min) {
2110 if(!input_sync) file_index = ist->file_index;
2113 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2118 /* if none, if is finished */
2119 if (file_index < 0) {
2120 if(no_packet_count){
2122 memset(no_packet, 0, sizeof(no_packet));
2129 /* finish if recording time exhausted */
2130 if (opts_min >= (recording_time / 1000000.0))
2133 /* finish if limit size exhausted */
2134 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2137 /* read a frame from it and output it in the fifo */
2138 is = input_files[file_index];
2139 ret= av_read_frame(is, &pkt);
2140 if(ret == AVERROR(EAGAIN)){
2141 no_packet[file_index]=1;
2146 file_table[file_index].eof_reached = 1;
2154 memset(no_packet, 0, sizeof(no_packet));
2157 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2159 /* the following test is needed in case new streams appear
2160 dynamically in stream : we ignore them */
2161 if (pkt.stream_index >= file_table[file_index].nb_streams)
2162 goto discard_packet;
2163 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2164 ist = ist_table[ist_index];
2166 goto discard_packet;
2168 if (pkt.dts != AV_NOPTS_VALUE)
2169 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2170 if (pkt.pts != AV_NOPTS_VALUE)
2171 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2173 if(input_files_ts_scale[file_index][pkt.stream_index]){
2174 if(pkt.pts != AV_NOPTS_VALUE)
2175 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2176 if(pkt.dts != AV_NOPTS_VALUE)
2177 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2180 // 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);
2181 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2182 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2183 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2184 int64_t delta= pkt_dts - ist->next_pts;
2185 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2186 input_files_ts_offset[ist->file_index]-= delta;
2188 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2189 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2190 if(pkt.pts != AV_NOPTS_VALUE)
2191 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2195 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2196 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2199 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2200 ist->file_index, ist->index);
2203 av_free_packet(&pkt);
2208 av_free_packet(&pkt);
2210 /* dump report by using the output first video and audio streams */
2211 print_report(output_files, ost_table, nb_ostreams, 0);
2214 /* at the end of stream, we must flush the decoder buffers */
2215 for(i=0;i<nb_istreams;i++) {
2217 if (ist->decoding_needed) {
2218 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2224 /* write the trailer if needed and close file */
2225 for(i=0;i<nb_output_files;i++) {
2226 os = output_files[i];
2227 av_write_trailer(os);
2230 /* dump report by using the first video and audio streams */
2231 print_report(output_files, ost_table, nb_ostreams, 1);
2233 /* close each encoder */
2234 for(i=0;i<nb_ostreams;i++) {
2236 if (ost->encoding_needed) {
2237 av_freep(&ost->st->codec->stats_in);
2238 avcodec_close(ost->st->codec);
2242 /* close each decoder */
2243 for(i=0;i<nb_istreams;i++) {
2245 if (ist->decoding_needed) {
2246 avcodec_close(ist->st->codec);
2254 av_freep(&bit_buffer);
2255 av_free(file_table);
2258 for(i=0;i<nb_istreams;i++) {
2265 for(i=0;i<nb_ostreams;i++) {
2269 fclose(ost->logfile);
2270 ost->logfile = NULL;
2272 av_fifo_free(ost->fifo); /* works even if fifo is not
2273 initialized but set to zero */
2274 av_free(ost->pict_tmp.data[0]);
2275 if (ost->video_resample)
2276 sws_freeContext(ost->img_resample_ctx);
2278 audio_resample_close(ost->resample);
2279 if (ost->reformat_ctx)
2280 av_audio_convert_free(ost->reformat_ctx);
2290 int file_read(const char *filename)
2293 unsigned char buffer[1024];
2296 if (url_open(&h, filename, O_RDONLY) < 0) {
2297 printf("could not open '%s'\n", filename);
2301 len = url_read(h, buffer, sizeof(buffer));
2304 for(i=0;i<len;i++) putchar(buffer[i]);
2311 static void opt_format(const char *arg)
2313 /* compatibility stuff for pgmyuv */
2314 if (!strcmp(arg, "pgmyuv")) {
2315 pgmyuv_compatibility_hack=1;
2316 // opt_image_format(arg);
2318 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2321 file_iformat = av_find_input_format(arg);
2322 file_oformat = guess_format(arg, NULL, NULL);
2323 if (!file_iformat && !file_oformat) {
2324 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2329 static void opt_video_rc_override_string(const char *arg)
2331 video_rc_override_string = arg;
2334 static int opt_me_threshold(const char *opt, const char *arg)
2336 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2340 static void opt_loglevel(const char *opt, const char *arg)
2342 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2343 av_log_set_level(level);
2346 static int opt_verbose(const char *opt, const char *arg)
2348 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2352 static int opt_frame_rate(const char *opt, const char *arg)
2354 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2355 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2361 static int opt_bitrate(const char *opt, const char *arg)
2363 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2365 opt_default(opt, arg);
2367 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2368 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2373 static void opt_frame_crop_top(const char *arg)
2375 frame_topBand = atoi(arg);
2376 if (frame_topBand < 0) {
2377 fprintf(stderr, "Incorrect top crop size\n");
2380 if ((frame_topBand % 2) != 0) {
2381 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2384 if ((frame_topBand) >= frame_height){
2385 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2388 frame_height -= frame_topBand;
2391 static void opt_frame_crop_bottom(const char *arg)
2393 frame_bottomBand = atoi(arg);
2394 if (frame_bottomBand < 0) {
2395 fprintf(stderr, "Incorrect bottom crop size\n");
2398 if ((frame_bottomBand % 2) != 0) {
2399 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2402 if ((frame_bottomBand) >= frame_height){
2403 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2406 frame_height -= frame_bottomBand;
2409 static void opt_frame_crop_left(const char *arg)
2411 frame_leftBand = atoi(arg);
2412 if (frame_leftBand < 0) {
2413 fprintf(stderr, "Incorrect left crop size\n");
2416 if ((frame_leftBand % 2) != 0) {
2417 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2420 if ((frame_leftBand) >= frame_width){
2421 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2424 frame_width -= frame_leftBand;
2427 static void opt_frame_crop_right(const char *arg)
2429 frame_rightBand = atoi(arg);
2430 if (frame_rightBand < 0) {
2431 fprintf(stderr, "Incorrect right crop size\n");
2434 if ((frame_rightBand % 2) != 0) {
2435 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2438 if ((frame_rightBand) >= frame_width){
2439 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2442 frame_width -= frame_rightBand;
2445 static void opt_frame_size(const char *arg)
2447 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2448 fprintf(stderr, "Incorrect frame size\n");
2451 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2452 fprintf(stderr, "Frame size must be a multiple of 2\n");
2458 #define SCALEBITS 10
2459 #define ONE_HALF (1 << (SCALEBITS - 1))
2460 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2462 #define RGB_TO_Y(r, g, b) \
2463 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2464 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2466 #define RGB_TO_U(r1, g1, b1, shift)\
2467 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2468 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2470 #define RGB_TO_V(r1, g1, b1, shift)\
2471 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2472 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2474 static void opt_pad_color(const char *arg) {
2475 /* Input is expected to be six hex digits similar to
2476 how colors are expressed in html tags (but without the #) */
2477 int rgb = strtol(arg, NULL, 16);
2481 g = ((rgb >> 8) & 255);
2484 padcolor[0] = RGB_TO_Y(r,g,b);
2485 padcolor[1] = RGB_TO_U(r,g,b,0);
2486 padcolor[2] = RGB_TO_V(r,g,b,0);
2489 static void opt_frame_pad_top(const char *arg)
2491 frame_padtop = atoi(arg);
2492 if (frame_padtop < 0) {
2493 fprintf(stderr, "Incorrect top pad size\n");
2496 if ((frame_padtop % 2) != 0) {
2497 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2502 static void opt_frame_pad_bottom(const char *arg)
2504 frame_padbottom = atoi(arg);
2505 if (frame_padbottom < 0) {
2506 fprintf(stderr, "Incorrect bottom pad size\n");
2509 if ((frame_padbottom % 2) != 0) {
2510 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2516 static void opt_frame_pad_left(const char *arg)
2518 frame_padleft = atoi(arg);
2519 if (frame_padleft < 0) {
2520 fprintf(stderr, "Incorrect left pad size\n");
2523 if ((frame_padleft % 2) != 0) {
2524 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2530 static void opt_frame_pad_right(const char *arg)
2532 frame_padright = atoi(arg);
2533 if (frame_padright < 0) {
2534 fprintf(stderr, "Incorrect right pad size\n");
2537 if ((frame_padright % 2) != 0) {
2538 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2543 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2547 for (i=-1; i < nb_fmts; i++) {
2548 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2549 fprintf(stdout, "%s\n", fmt_str);
2553 static void opt_frame_pix_fmt(const char *arg)
2555 if (strcmp(arg, "list")) {
2556 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2557 if (frame_pix_fmt == PIX_FMT_NONE) {
2558 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2562 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2567 static void opt_frame_aspect_ratio(const char *arg)
2574 p = strchr(arg, ':');
2576 x = strtol(arg, &end, 10);
2578 y = strtol(end+1, &end, 10);
2580 ar = (double)x / (double)y;
2582 ar = strtod(arg, NULL);
2585 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2588 frame_aspect_ratio = ar;
2591 static int opt_metadata(const char *opt, const char *arg)
2593 char *mid= strchr(arg, '=');
2596 fprintf(stderr, "Missing =\n");
2602 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2603 metadata[metadata_count-1].key = av_strdup(arg);
2604 metadata[metadata_count-1].value= av_strdup(mid);
2609 static void opt_qscale(const char *arg)
2611 video_qscale = atof(arg);
2612 if (video_qscale <= 0 ||
2613 video_qscale > 255) {
2614 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2619 static void opt_top_field_first(const char *arg)
2621 top_field_first= atoi(arg);
2624 static int opt_thread_count(const char *opt, const char *arg)
2626 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2629 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2634 static void opt_audio_sample_fmt(const char *arg)
2636 if (strcmp(arg, "list"))
2637 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2639 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2644 static int opt_audio_rate(const char *opt, const char *arg)
2646 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2650 static int opt_audio_channels(const char *opt, const char *arg)
2652 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2656 static void opt_video_channel(const char *arg)
2658 video_channel = strtol(arg, NULL, 0);
2661 static void opt_video_standard(const char *arg)
2663 video_standard = av_strdup(arg);
2666 static void opt_codec(int *pstream_copy, char **pcodec_name,
2667 int codec_type, const char *arg)
2669 av_freep(pcodec_name);
2670 if (!strcmp(arg, "copy")) {
2673 *pcodec_name = av_strdup(arg);
2677 static void opt_audio_codec(const char *arg)
2679 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2682 static void opt_audio_tag(const char *arg)
2685 audio_codec_tag= strtol(arg, &tail, 0);
2688 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2691 static void opt_video_tag(const char *arg)
2694 video_codec_tag= strtol(arg, &tail, 0);
2697 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2700 static void opt_video_codec(const char *arg)
2702 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2705 static void opt_subtitle_codec(const char *arg)
2707 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2710 static void opt_subtitle_tag(const char *arg)
2713 subtitle_codec_tag= strtol(arg, &tail, 0);
2716 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2719 static void opt_map(const char *arg)
2724 m = &stream_maps[nb_stream_maps++];
2726 m->file_index = strtol(arg, &p, 0);
2730 m->stream_index = strtol(p, &p, 0);
2733 m->sync_file_index = strtol(p, &p, 0);
2736 m->sync_stream_index = strtol(p, &p, 0);
2738 m->sync_file_index = m->file_index;
2739 m->sync_stream_index = m->stream_index;
2743 static void opt_map_meta_data(const char *arg)
2748 m = &meta_data_maps[nb_meta_data_maps++];
2750 m->out_file = strtol(arg, &p, 0);
2754 m->in_file = strtol(p, &p, 0);
2757 static void opt_input_ts_scale(const char *arg)
2759 unsigned int stream;
2763 stream = strtol(arg, &p, 0);
2766 scale= strtod(p, &p);
2768 if(stream >= MAX_STREAMS)
2771 input_files_ts_scale[nb_input_files][stream]= scale;
2774 static int opt_recording_time(const char *opt, const char *arg)
2776 recording_time = parse_time_or_die(opt, arg, 1);
2780 static int opt_start_time(const char *opt, const char *arg)
2782 start_time = parse_time_or_die(opt, arg, 1);
2786 static int opt_rec_timestamp(const char *opt, const char *arg)
2788 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2792 static int opt_input_ts_offset(const char *opt, const char *arg)
2794 input_ts_offset = parse_time_or_die(opt, arg, 1);
2798 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2800 const char *codec_string = encoder ? "encoder" : "decoder";
2804 return CODEC_ID_NONE;
2806 avcodec_find_encoder_by_name(name) :
2807 avcodec_find_decoder_by_name(name);
2809 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2812 if(codec->type != type) {
2813 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2819 static void opt_input_file(const char *filename)
2821 AVFormatContext *ic;
2822 AVFormatParameters params, *ap = ¶ms;
2823 int err, i, ret, rfps, rfps_base;
2826 if (!strcmp(filename, "-"))
2829 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2830 !strcmp(filename, "/dev/stdin");
2832 /* get default parameters from command line */
2833 ic = avformat_alloc_context();
2835 memset(ap, 0, sizeof(*ap));
2836 ap->prealloced_context = 1;
2837 ap->sample_rate = audio_sample_rate;
2838 ap->channels = audio_channels;
2839 ap->time_base.den = frame_rate.num;
2840 ap->time_base.num = frame_rate.den;
2841 ap->width = frame_width + frame_padleft + frame_padright;
2842 ap->height = frame_height + frame_padtop + frame_padbottom;
2843 ap->pix_fmt = frame_pix_fmt;
2844 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2845 ap->channel = video_channel;
2846 ap->standard = video_standard;
2847 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2848 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2849 if(pgmyuv_compatibility_hack)
2850 ap->video_codec_id= CODEC_ID_PGMYUV;
2852 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2854 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2855 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2856 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2857 ic->flags |= AVFMT_FLAG_NONBLOCK;
2859 /* open the input file with generic libav function */
2860 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2862 print_error(filename, err);
2867 for(i=0; i<ic->nb_programs; i++)
2868 if(ic->programs[i]->id != opt_programid)
2869 ic->programs[i]->discard = AVDISCARD_ALL;
2872 ic->loop_input = loop_input;
2874 /* If not enough info to get the stream parameters, we decode the
2875 first frames to get it. (used in mpeg case for example) */
2876 ret = av_find_stream_info(ic);
2877 if (ret < 0 && verbose >= 0) {
2878 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2882 timestamp = start_time;
2883 /* add the stream start time */
2884 if (ic->start_time != AV_NOPTS_VALUE)
2885 timestamp += ic->start_time;
2887 /* if seeking requested, we execute it */
2888 if (start_time != 0) {
2889 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2891 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2892 filename, (double)timestamp / AV_TIME_BASE);
2894 /* reset seek info */
2898 /* update the current parameters so that they match the one of the input stream */
2899 for(i=0;i<ic->nb_streams;i++) {
2900 AVCodecContext *enc = ic->streams[i]->codec;
2902 avcodec_thread_init(enc, thread_count);
2903 enc->thread_count= thread_count;
2904 switch(enc->codec_type) {
2905 case CODEC_TYPE_AUDIO:
2906 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2907 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2908 channel_layout = enc->channel_layout;
2909 audio_channels = enc->channels;
2910 audio_sample_rate = enc->sample_rate;
2911 audio_sample_fmt = enc->sample_fmt;
2912 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2914 ic->streams[i]->discard= AVDISCARD_ALL;
2916 case CODEC_TYPE_VIDEO:
2917 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2918 frame_height = enc->height;
2919 frame_width = enc->width;
2920 if(ic->streams[i]->sample_aspect_ratio.num)
2921 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2923 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2924 frame_aspect_ratio *= (float) enc->width / enc->height;
2925 frame_pix_fmt = enc->pix_fmt;
2926 rfps = ic->streams[i]->r_frame_rate.num;
2927 rfps_base = ic->streams[i]->r_frame_rate.den;
2928 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2930 enc->debug |= FF_DEBUG_MV;
2932 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2935 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2936 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2938 (float)rfps / rfps_base, rfps, rfps_base);
2940 /* update the current frame rate to match the stream frame rate */
2941 frame_rate.num = rfps;
2942 frame_rate.den = rfps_base;
2944 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2946 ic->streams[i]->discard= AVDISCARD_ALL;
2947 else if(video_discard)
2948 ic->streams[i]->discard= video_discard;
2950 case CODEC_TYPE_DATA:
2952 case CODEC_TYPE_SUBTITLE:
2953 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2954 if(subtitle_disable)
2955 ic->streams[i]->discard = AVDISCARD_ALL;
2957 case CODEC_TYPE_ATTACHMENT:
2958 case CODEC_TYPE_UNKNOWN:
2966 input_files[nb_input_files] = ic;
2967 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2968 /* dump the file content */
2970 dump_format(ic, nb_input_files, filename, 0);
2973 file_iformat = NULL;
2974 file_oformat = NULL;
2978 av_freep(&video_codec_name);
2979 av_freep(&audio_codec_name);
2980 av_freep(&subtitle_codec_name);
2983 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2984 int *has_subtitle_ptr)
2986 int has_video, has_audio, has_subtitle, i, j;
2987 AVFormatContext *ic;
2992 for(j=0;j<nb_input_files;j++) {
2993 ic = input_files[j];
2994 for(i=0;i<ic->nb_streams;i++) {
2995 AVCodecContext *enc = ic->streams[i]->codec;
2996 switch(enc->codec_type) {
2997 case CODEC_TYPE_AUDIO:
3000 case CODEC_TYPE_VIDEO:
3003 case CODEC_TYPE_SUBTITLE:
3006 case CODEC_TYPE_DATA:
3007 case CODEC_TYPE_ATTACHMENT:
3008 case CODEC_TYPE_UNKNOWN:
3015 *has_video_ptr = has_video;
3016 *has_audio_ptr = has_audio;
3017 *has_subtitle_ptr = has_subtitle;
3020 static void new_video_stream(AVFormatContext *oc)
3023 AVCodecContext *video_enc;
3026 st = av_new_stream(oc, oc->nb_streams);
3028 fprintf(stderr, "Could not alloc stream\n");
3031 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3032 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3033 video_bitstream_filters= NULL;
3036 avcodec_thread_init(st->codec, thread_count);
3038 video_enc = st->codec;
3041 video_enc->codec_tag= video_codec_tag;
3043 if( (video_global_header&1)
3044 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3045 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3046 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3048 if(video_global_header&2){
3049 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3050 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3053 if (video_stream_copy) {
3054 st->stream_copy = 1;
3055 video_enc->codec_type = CODEC_TYPE_VIDEO;
3056 video_enc->sample_aspect_ratio =
3057 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3062 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3064 if (video_codec_name) {
3065 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3066 codec = avcodec_find_encoder_by_name(video_codec_name);
3067 output_codecs[nb_ocodecs] = codec;
3069 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3070 codec = avcodec_find_encoder(codec_id);
3073 video_enc->codec_id = codec_id;
3075 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3077 if (codec && codec->supported_framerates && !force_fps)
3078 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3079 video_enc->time_base.den = fps.num;
3080 video_enc->time_base.num = fps.den;
3082 video_enc->width = frame_width + frame_padright + frame_padleft;
3083 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3084 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3085 video_enc->pix_fmt = frame_pix_fmt;
3086 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3088 if(codec && codec->pix_fmts){
3089 const enum PixelFormat *p= codec->pix_fmts;
3091 if(*p == video_enc->pix_fmt)
3095 video_enc->pix_fmt = codec->pix_fmts[0];
3099 video_enc->gop_size = 0;
3100 if (video_qscale || same_quality) {
3101 video_enc->flags |= CODEC_FLAG_QSCALE;
3102 video_enc->global_quality=
3103 st->quality = FF_QP2LAMBDA * video_qscale;
3107 video_enc->intra_matrix = intra_matrix;
3109 video_enc->inter_matrix = inter_matrix;
3111 video_enc->thread_count = thread_count;
3112 p= video_rc_override_string;
3115 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3117 fprintf(stderr, "error parsing rc_override\n");
3120 video_enc->rc_override=
3121 av_realloc(video_enc->rc_override,
3122 sizeof(RcOverride)*(i+1));
3123 video_enc->rc_override[i].start_frame= start;
3124 video_enc->rc_override[i].end_frame = end;
3126 video_enc->rc_override[i].qscale= q;
3127 video_enc->rc_override[i].quality_factor= 1.0;
3130 video_enc->rc_override[i].qscale= 0;
3131 video_enc->rc_override[i].quality_factor= -q/100.0;
3136 video_enc->rc_override_count=i;
3137 if (!video_enc->rc_initial_buffer_occupancy)
3138 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3139 video_enc->me_threshold= me_threshold;
3140 video_enc->intra_dc_precision= intra_dc_precision - 8;
3143 video_enc->flags|= CODEC_FLAG_PSNR;
3148 video_enc->flags |= CODEC_FLAG_PASS1;
3150 video_enc->flags |= CODEC_FLAG_PASS2;
3156 /* reset some key parameters */
3158 av_freep(&video_codec_name);
3159 video_stream_copy = 0;
3162 static void new_audio_stream(AVFormatContext *oc)
3165 AVCodecContext *audio_enc;
3168 st = av_new_stream(oc, oc->nb_streams);
3170 fprintf(stderr, "Could not alloc stream\n");
3173 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3175 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3176 audio_bitstream_filters= NULL;
3179 avcodec_thread_init(st->codec, thread_count);
3181 audio_enc = st->codec;
3182 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3185 audio_enc->codec_tag= audio_codec_tag;
3187 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3188 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3189 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3191 if (audio_stream_copy) {
3192 st->stream_copy = 1;
3193 audio_enc->channels = audio_channels;
3197 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3199 if (audio_codec_name) {
3200 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3201 codec = avcodec_find_encoder_by_name(audio_codec_name);
3202 output_codecs[nb_ocodecs] = codec;
3204 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3205 codec = avcodec_find_encoder(codec_id);
3207 audio_enc->codec_id = codec_id;
3209 if (audio_qscale > QSCALE_NONE) {
3210 audio_enc->flags |= CODEC_FLAG_QSCALE;
3211 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3213 audio_enc->thread_count = thread_count;
3214 audio_enc->channels = audio_channels;
3215 audio_enc->sample_fmt = audio_sample_fmt;
3216 audio_enc->channel_layout = channel_layout;
3217 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3218 audio_enc->channel_layout = 0;
3220 if(codec && codec->sample_fmts){
3221 const enum SampleFormat *p= codec->sample_fmts;
3223 if(*p == audio_enc->sample_fmt)
3227 audio_enc->sample_fmt = codec->sample_fmts[0];
3231 audio_enc->sample_rate = audio_sample_rate;
3232 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3233 if (audio_language) {
3234 av_metadata_set(&st->metadata, "language", audio_language);
3235 av_free(audio_language);
3236 audio_language = NULL;
3239 /* reset some key parameters */
3241 av_freep(&audio_codec_name);
3242 audio_stream_copy = 0;
3245 static void new_subtitle_stream(AVFormatContext *oc)
3248 AVCodecContext *subtitle_enc;
3250 st = av_new_stream(oc, oc->nb_streams);
3252 fprintf(stderr, "Could not alloc stream\n");
3255 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3257 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3258 subtitle_bitstream_filters= NULL;
3260 subtitle_enc = st->codec;
3261 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3263 if(subtitle_codec_tag)
3264 subtitle_enc->codec_tag= subtitle_codec_tag;
3266 if (subtitle_stream_copy) {
3267 st->stream_copy = 1;
3269 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3270 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3271 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3275 if (subtitle_language) {
3276 av_metadata_set(&st->metadata, "language", subtitle_language);
3277 av_free(subtitle_language);
3278 subtitle_language = NULL;
3281 subtitle_disable = 0;
3282 av_freep(&subtitle_codec_name);
3283 subtitle_stream_copy = 0;
3286 static void opt_new_audio_stream(void)
3288 AVFormatContext *oc;
3289 if (nb_output_files <= 0) {
3290 fprintf(stderr, "At least one output file must be specified\n");
3293 oc = output_files[nb_output_files - 1];
3294 new_audio_stream(oc);
3297 static void opt_new_video_stream(void)
3299 AVFormatContext *oc;
3300 if (nb_output_files <= 0) {
3301 fprintf(stderr, "At least one output file must be specified\n");
3304 oc = output_files[nb_output_files - 1];
3305 new_video_stream(oc);
3308 static void opt_new_subtitle_stream(void)
3310 AVFormatContext *oc;
3311 if (nb_output_files <= 0) {
3312 fprintf(stderr, "At least one output file must be specified\n");
3315 oc = output_files[nb_output_files - 1];
3316 new_subtitle_stream(oc);
3319 static void opt_output_file(const char *filename)
3321 AVFormatContext *oc;
3322 int use_video, use_audio, use_subtitle;
3323 int input_has_video, input_has_audio, input_has_subtitle;
3324 AVFormatParameters params, *ap = ¶ms;
3326 if (!strcmp(filename, "-"))
3329 oc = avformat_alloc_context();
3331 if (!file_oformat) {
3332 file_oformat = guess_format(NULL, filename, NULL);
3333 if (!file_oformat) {
3334 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3340 oc->oformat = file_oformat;
3341 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3343 if (!strcmp(file_oformat->name, "ffm") &&
3344 av_strstart(filename, "http:", NULL)) {
3345 /* special case for files sent to ffserver: we get the stream
3346 parameters from ffserver */
3347 int err = read_ffserver_streams(oc, filename);
3349 print_error(filename, err);
3353 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3354 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3355 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3357 /* disable if no corresponding type found and at least one
3359 if (nb_input_files > 0) {
3360 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3361 &input_has_subtitle);
3362 if (!input_has_video)
3364 if (!input_has_audio)
3366 if (!input_has_subtitle)
3370 /* manual disable */
3371 if (audio_disable) {
3374 if (video_disable) {
3377 if (subtitle_disable) {
3382 new_video_stream(oc);
3386 new_audio_stream(oc);
3390 new_subtitle_stream(oc);
3393 oc->timestamp = rec_timestamp;
3395 for(; metadata_count>0; metadata_count--){
3396 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3397 metadata[metadata_count-1].value);
3399 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3402 output_files[nb_output_files++] = oc;
3404 /* check filename in case of an image number is expected */
3405 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3406 if (!av_filename_number_test(oc->filename)) {
3407 print_error(oc->filename, AVERROR_NUMEXPECTED);
3412 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3413 /* test if it already exists to avoid loosing precious files */
3414 if (!file_overwrite &&
3415 (strchr(filename, ':') == NULL ||
3416 filename[1] == ':' ||
3417 av_strstart(filename, "file:", NULL))) {
3418 if (url_exist(filename)) {
3420 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3422 if (!read_yesno()) {
3423 fprintf(stderr, "Not overwriting - exiting\n");
3428 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3435 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3436 fprintf(stderr, "Could not open '%s'\n", filename);
3441 memset(ap, 0, sizeof(*ap));
3442 if (av_set_parameters(oc, ap) < 0) {
3443 fprintf(stderr, "%s: Invalid encoding parameters\n",
3448 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3449 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3450 oc->loop_output = loop_output;
3451 oc->flags |= AVFMT_FLAG_NONBLOCK;
3453 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3455 /* reset some options */
3456 file_oformat = NULL;
3457 file_iformat = NULL;
3460 /* same option as mencoder */
3461 static void opt_pass(const char *pass_str)
3464 pass = atoi(pass_str);
3465 if (pass != 1 && pass != 2) {
3466 fprintf(stderr, "pass number can be only 1 or 2\n");
3472 static int64_t getutime(void)
3475 struct rusage rusage;
3477 getrusage(RUSAGE_SELF, &rusage);
3478 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3479 #elif HAVE_GETPROCESSTIMES
3481 FILETIME c, e, k, u;
3482 proc = GetCurrentProcess();
3483 GetProcessTimes(proc, &c, &e, &k, &u);
3484 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3486 return av_gettime();
3490 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3493 const char *p = str;
3500 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3507 static void opt_inter_matrix(const char *arg)
3509 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3510 parse_matrix_coeffs(inter_matrix, arg);
3513 static void opt_intra_matrix(const char *arg)
3515 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3516 parse_matrix_coeffs(intra_matrix, arg);
3520 * Trivial log callback.
3521 * Only suitable for show_help and similar since it lacks prefix handling.
3523 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3525 vfprintf(stdout, fmt, vl);
3528 static void show_help(void)
3530 av_log_set_callback(log_callback_help);
3531 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3532 "Hyper fast Audio and Video encoder\n");
3534 show_help_options(options, "Main options:\n",
3535 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3536 show_help_options(options, "\nAdvanced options:\n",
3537 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3539 show_help_options(options, "\nVideo options:\n",
3540 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3542 show_help_options(options, "\nAdvanced Video options:\n",
3543 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3544 OPT_VIDEO | OPT_EXPERT);
3545 show_help_options(options, "\nAudio options:\n",
3546 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3548 show_help_options(options, "\nAdvanced Audio options:\n",
3549 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3550 OPT_AUDIO | OPT_EXPERT);
3551 show_help_options(options, "\nSubtitle options:\n",
3552 OPT_SUBTITLE | OPT_GRAB,
3554 show_help_options(options, "\nAudio/Video grab options:\n",
3558 av_opt_show(avcodec_opts[0], NULL);
3560 av_opt_show(avformat_opts, NULL);
3562 av_opt_show(sws_opts, NULL);
3565 static void opt_target(const char *arg)
3568 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3570 if(!strncmp(arg, "pal-", 4)) {
3573 } else if(!strncmp(arg, "ntsc-", 5)) {
3576 } else if(!strncmp(arg, "film-", 5)) {
3581 /* Calculate FR via float to avoid int overflow */
3582 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3585 } else if((fr == 29970) || (fr == 23976)) {
3588 /* Try to determine PAL/NTSC by peeking in the input files */
3589 if(nb_input_files) {
3591 for(j = 0; j < nb_input_files; j++) {
3592 for(i = 0; i < input_files[j]->nb_streams; i++) {
3593 AVCodecContext *c = input_files[j]->streams[i]->codec;
3594 if(c->codec_type != CODEC_TYPE_VIDEO)
3596 fr = c->time_base.den * 1000 / c->time_base.num;
3600 } else if((fr == 29970) || (fr == 23976)) {
3610 if(verbose && norm >= 0)
3611 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3615 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3616 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3617 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3621 if(!strcmp(arg, "vcd")) {
3623 opt_video_codec("mpeg1video");
3624 opt_audio_codec("mp2");
3627 opt_frame_size(norm ? "352x240" : "352x288");
3628 opt_frame_rate(NULL, frame_rates[norm]);
3629 opt_default("gop", norm ? "18" : "15");
3631 opt_default("b", "1150000");
3632 opt_default("maxrate", "1150000");
3633 opt_default("minrate", "1150000");
3634 opt_default("bufsize", "327680"); // 40*1024*8;
3636 opt_default("ab", "224000");
3637 audio_sample_rate = 44100;
3640 opt_default("packetsize", "2324");
3641 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3643 /* We have to offset the PTS, so that it is consistent with the SCR.
3644 SCR starts at 36000, but the first two packs contain only padding
3645 and the first pack from the other stream, respectively, may also have
3646 been written before.
3647 So the real data starts at SCR 36000+3*1200. */
3648 mux_preload= (36000+3*1200) / 90000.0; //0.44
3649 } else if(!strcmp(arg, "svcd")) {
3651 opt_video_codec("mpeg2video");
3652 opt_audio_codec("mp2");
3655 opt_frame_size(norm ? "480x480" : "480x576");
3656 opt_frame_rate(NULL, frame_rates[norm]);
3657 opt_default("gop", norm ? "18" : "15");
3659 opt_default("b", "2040000");
3660 opt_default("maxrate", "2516000");
3661 opt_default("minrate", "0"); //1145000;
3662 opt_default("bufsize", "1835008"); //224*1024*8;
3663 opt_default("flags", "+scan_offset");
3666 opt_default("ab", "224000");
3667 audio_sample_rate = 44100;
3669 opt_default("packetsize", "2324");
3671 } else if(!strcmp(arg, "dvd")) {
3673 opt_video_codec("mpeg2video");
3674 opt_audio_codec("ac3");
3677 opt_frame_size(norm ? "720x480" : "720x576");
3678 opt_frame_rate(NULL, frame_rates[norm]);
3679 opt_default("gop", norm ? "18" : "15");
3681 opt_default("b", "6000000");
3682 opt_default("maxrate", "9000000");
3683 opt_default("minrate", "0"); //1500000;
3684 opt_default("bufsize", "1835008"); //224*1024*8;
3686 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3687 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3689 opt_default("ab", "448000");
3690 audio_sample_rate = 48000;
3692 } else if(!strncmp(arg, "dv", 2)) {
3696 opt_frame_size(norm ? "720x480" : "720x576");
3697 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3698 (norm ? "yuv411p" : "yuv420p"));
3699 opt_frame_rate(NULL, frame_rates[norm]);
3701 audio_sample_rate = 48000;
3705 fprintf(stderr, "Unknown target: %s\n", arg);
3710 static void opt_vstats_file (const char *arg)
3712 av_free (vstats_filename);
3713 vstats_filename=av_strdup (arg);
3716 static void opt_vstats (void)
3719 time_t today2 = time(NULL);
3720 struct tm *today = localtime(&today2);
3722 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3724 opt_vstats_file(filename);
3727 static int opt_bsf(const char *opt, const char *arg)
3729 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3730 AVBitStreamFilterContext **bsfp;
3733 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3737 bsfp= *opt == 'v' ? &video_bitstream_filters :
3738 *opt == 'a' ? &audio_bitstream_filters :
3739 &subtitle_bitstream_filters;
3741 bsfp= &(*bsfp)->next;
3748 static int opt_preset(const char *opt, const char *arg)
3751 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3753 const char *base[2]= { getenv("HOME"),
3757 for(i=!base[0]; i<2 && !f; i++){
3758 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3759 f= fopen(filename, "r");
3761 char *codec_name= *opt == 'v' ? video_codec_name :
3762 *opt == 'a' ? audio_codec_name :
3763 subtitle_codec_name;
3764 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3765 f= fopen(filename, "r");
3768 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3770 av_strlcpy(filename, arg, sizeof(filename));
3771 f= fopen(filename, "r");
3775 fprintf(stderr, "File for preset '%s' not found\n", arg);
3780 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3781 if(line[0] == '#' && !e)
3783 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3785 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3788 if(!strcmp(tmp, "acodec")){
3789 opt_audio_codec(tmp2);
3790 }else if(!strcmp(tmp, "vcodec")){
3791 opt_video_codec(tmp2);
3792 }else if(!strcmp(tmp, "scodec")){
3793 opt_subtitle_codec(tmp2);
3794 }else if(opt_default(tmp, tmp2) < 0){
3795 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3805 static const OptionDef options[] = {
3807 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3808 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3809 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3810 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3811 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3812 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3813 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3814 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3815 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3816 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3817 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3818 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3819 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3820 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3821 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3822 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3823 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3824 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3825 "add timings for benchmarking" },
3826 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3827 "dump each input packet" },
3828 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3829 "when dumping packets, also dump the payload" },
3830 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3831 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3832 { "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)", "" },
3833 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3834 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3835 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3836 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3837 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3838 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3839 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3840 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3841 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3842 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3843 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3844 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3845 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3846 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3849 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3850 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3851 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3852 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3853 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3854 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3855 { "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" },
3856 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3857 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3858 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3859 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3860 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3861 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3862 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3863 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3864 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3865 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3866 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3867 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3868 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3869 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3870 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3871 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3872 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3873 "use same video quality as source (implies VBR)" },
3874 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3875 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3876 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3877 "deinterlace pictures" },
3878 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3879 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3880 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3881 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3882 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3883 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3884 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3885 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3886 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3887 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3888 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3891 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3892 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3893 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3894 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3895 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3896 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3897 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3898 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3899 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3900 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3901 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3902 { "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" },
3904 /* subtitle options */
3905 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3906 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3907 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3908 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3909 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3912 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3913 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3914 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3917 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3918 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3920 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3921 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3922 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3924 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3925 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3926 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3928 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3932 int main(int argc, char **argv)
3937 avcodec_register_all();
3938 avdevice_register_all();
3941 if(isatty(STDIN_FILENO))
3942 url_set_interrupt_cb(decode_interrupt_cb);
3944 for(i=0; i<CODEC_TYPE_NB; i++){
3945 avcodec_opts[i]= avcodec_alloc_context2(i);
3947 avformat_opts = avformat_alloc_context();
3948 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3953 parse_options(argc, argv, options, opt_output_file);
3955 /* file converter / grab */
3956 if (nb_output_files <= 0) {
3957 fprintf(stderr, "At least one output file must be specified\n");
3961 if (nb_input_files == 0) {
3962 fprintf(stderr, "At least one input file must be specified\n");
3967 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3968 stream_maps, nb_stream_maps) < 0)
3970 ti = getutime() - ti;
3972 printf("bench: utime=%0.3fs\n", ti / 1000000.0);