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;
166 static float mux_preload= 0.5;
167 static float mux_max_delay= 0.7;
169 static int64_t recording_time = INT64_MAX;
170 static int64_t start_time = 0;
171 static int64_t rec_timestamp = 0;
172 static int64_t input_ts_offset = 0;
173 static int file_overwrite = 0;
174 static int metadata_count;
175 static AVMetadataTag *metadata;
176 static int do_benchmark = 0;
177 static int do_hex_dump = 0;
178 static int do_pkt_dump = 0;
179 static int do_psnr = 0;
180 static int do_pass = 0;
181 static char *pass_logfilename_prefix = NULL;
182 static int audio_stream_copy = 0;
183 static int video_stream_copy = 0;
184 static int subtitle_stream_copy = 0;
185 static int video_sync_method= -1;
186 static int audio_sync_method= 0;
187 static float audio_drift_threshold= 0.1;
188 static int copy_ts= 0;
189 static int opt_shortest = 0;
190 static int video_global_header = 0;
191 static char *vstats_filename;
192 static FILE *vstats_file;
193 static int opt_programid = 0;
194 static int copy_initial_nonkeyframes = 0;
196 static int rate_emu = 0;
198 static int video_channel = 0;
199 static char *video_standard;
201 static int audio_volume = 256;
203 static int exit_on_error = 0;
204 static int using_stdin = 0;
205 static int verbose = 1;
206 static int thread_count= 1;
207 static int q_pressed = 0;
208 static int64_t video_size = 0;
209 static int64_t audio_size = 0;
210 static int64_t extra_size = 0;
211 static int nb_frames_dup = 0;
212 static int nb_frames_drop = 0;
213 static int input_sync;
214 static uint64_t limit_filesize = 0;
215 static int force_fps = 0;
217 static int pgmyuv_compatibility_hack=0;
218 static float dts_delta_threshold = 10;
220 static unsigned int sws_flags = SWS_BICUBIC;
222 static int64_t timer_start;
224 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
226 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
227 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
229 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
231 struct AVInputStream;
233 typedef struct AVOutputStream {
234 int file_index; /* file index */
235 int index; /* stream index in the output file */
236 int source_index; /* AVInputStream index */
237 AVStream *st; /* stream in the output file */
238 int encoding_needed; /* true if encoding needed for this stream */
240 /* input pts and corresponding output pts
242 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
243 struct AVInputStream *sync_ist; /* input stream to sync against */
244 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
247 AVFrame pict_tmp; /* temporary image for resampling */
248 struct SwsContext *img_resample_ctx; /* for image resampling */
252 int topBand; /* cropping area sizes */
256 int padtop; /* padding area sizes */
263 ReSampleContext *resample; /* for audio resampling */
265 AVAudioConvert *reformat_ctx;
266 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
270 typedef struct AVInputStream {
274 int discard; /* true if stream data should be discarded */
275 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
276 int64_t sample_index; /* current sample */
278 int64_t start; /* time when read started */
279 int64_t next_pts; /* synthetic pts for cases where pkt.pts
281 int64_t pts; /* current pts */
282 int is_start; /* is 1 at the start and after a discontinuity */
285 typedef struct AVInputFile {
286 int eof_reached; /* true if eof reached */
287 int ist_index; /* index of first stream in ist_table */
288 int buffer_size; /* current total buffer size */
289 int nb_streams; /* nb streams we are aware of */
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty;
298 static void term_exit(void)
301 tcsetattr (0, TCSANOW, &oldtty);
305 static volatile sig_atomic_t received_sigterm = 0;
308 sigterm_handler(int sig)
310 received_sigterm = sig;
314 static void term_init(void)
322 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
323 |INLCR|IGNCR|ICRNL|IXON);
324 tty.c_oflag |= OPOST;
325 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
326 tty.c_cflag &= ~(CSIZE|PARENB);
331 tcsetattr (0, TCSANOW, &tty);
332 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
335 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
336 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
338 register a function to be called at normal program termination
341 #if CONFIG_BEOS_NETSERVER
342 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
346 /* read a key without blocking */
347 static int read_key(void)
352 #if !CONFIG_BEOS_NETSERVER
360 n = select(1, &rfds, NULL, NULL, &tv);
376 static int decode_interrupt_cb(void)
378 return q_pressed || (q_pressed = read_key() == 'q');
381 static int av_exit(int ret)
386 for(i=0;i<nb_output_files;i++) {
387 /* maybe av_close_output_file ??? */
388 AVFormatContext *s = output_files[i];
390 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
392 for(j=0;j<s->nb_streams;j++) {
393 av_metadata_free(&s->streams[j]->metadata);
394 av_free(s->streams[j]->codec);
395 av_free(s->streams[j]);
397 for(j=0;j<s->nb_programs;j++) {
398 av_metadata_free(&s->programs[j]->metadata);
400 for(j=0;j<s->nb_chapters;j++) {
401 av_metadata_free(&s->chapters[j]->metadata);
403 av_metadata_free(&s->metadata);
406 for(i=0;i<nb_input_files;i++)
407 av_close_input_file(input_files[i]);
409 av_free(intra_matrix);
410 av_free(inter_matrix);
414 av_free(vstats_filename);
418 av_free(video_codec_name);
419 av_free(audio_codec_name);
420 av_free(subtitle_codec_name);
422 av_free(video_standard);
424 #if CONFIG_POWERPC_PERF
425 void powerpc_display_perf_report(void);
426 powerpc_display_perf_report();
427 #endif /* CONFIG_POWERPC_PERF */
429 if (received_sigterm) {
431 "Received signal %d: terminating.\n",
432 (int) received_sigterm);
436 exit(ret); /* not all OS-es handle main() return value */
440 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
446 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
449 /* copy stream format */
450 s->nb_streams = ic->nb_streams;
451 for(i=0;i<ic->nb_streams;i++) {
454 // FIXME: a more elegant solution is needed
455 st = av_mallocz(sizeof(AVStream));
456 memcpy(st, ic->streams[i], sizeof(AVStream));
457 st->codec = avcodec_alloc_context();
458 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
461 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
463 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
466 if(!st->codec->thread_count)
467 st->codec->thread_count = 1;
468 if(st->codec->thread_count>1)
469 avcodec_thread_init(st->codec, st->codec->thread_count);
471 if(st->codec->flags & CODEC_FLAG_BITEXACT)
476 s->timestamp = av_gettime();
478 av_close_input_file(ic);
483 get_sync_ipts(const AVOutputStream *ost)
485 const AVInputStream *ist = ost->sync_ist;
486 return (double)(ist->pts - start_time)/AV_TIME_BASE;
489 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
493 AVPacket new_pkt= *pkt;
494 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
495 &new_pkt.data, &new_pkt.size,
496 pkt->data, pkt->size,
497 pkt->flags & PKT_FLAG_KEY);
500 new_pkt.destruct= av_destruct_packet;
502 fprintf(stderr, "%s failed for stream %d, codec %s",
503 bsfc->filter->name, pkt->stream_index,
504 avctx->codec ? avctx->codec->name : "copy");
514 ret= av_interleaved_write_frame(s, pkt);
516 print_error("av_interleaved_write_frame()", ret);
521 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
523 static void do_audio_out(AVFormatContext *s,
526 unsigned char *buf, int size)
529 static uint8_t *audio_buf = NULL;
530 static uint8_t *audio_out = NULL;
531 static uint8_t *audio_out2 = NULL;
532 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
534 int size_out, frame_bytes, ret;
535 AVCodecContext *enc= ost->st->codec;
536 AVCodecContext *dec= ist->st->codec;
537 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
538 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
540 /* SC: dynamic allocation of buffers */
542 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
544 audio_out = av_malloc(audio_out_size);
545 if (!audio_buf || !audio_out)
546 return; /* Should signal an error ! */
548 if (enc->channels != dec->channels)
549 ost->audio_resample = 1;
551 if (ost->audio_resample && !ost->resample) {
552 if (dec->sample_fmt != SAMPLE_FMT_S16)
553 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
554 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
555 enc->sample_rate, dec->sample_rate,
556 enc->sample_fmt, dec->sample_fmt,
558 if (!ost->resample) {
559 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
560 dec->channels, dec->sample_rate,
561 enc->channels, enc->sample_rate);
566 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
567 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
568 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
570 audio_out2 = av_malloc(audio_out_size);
573 if (ost->reformat_ctx)
574 av_audio_convert_free(ost->reformat_ctx);
575 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
576 dec->sample_fmt, 1, NULL, 0);
577 if (!ost->reformat_ctx) {
578 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
579 avcodec_get_sample_fmt_name(dec->sample_fmt),
580 avcodec_get_sample_fmt_name(enc->sample_fmt));
583 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
586 if(audio_sync_method){
587 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
588 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
589 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
590 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
592 //FIXME resample delay
593 if(fabs(delta) > 50){
594 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
596 byte_delta= FFMAX(byte_delta, -size);
600 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
605 static uint8_t *input_tmp= NULL;
606 input_tmp= av_realloc(input_tmp, byte_delta + size);
608 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
611 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
613 memset(input_tmp, 0, byte_delta);
614 memcpy(input_tmp + byte_delta, buf, size);
618 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
620 }else if(audio_sync_method>1){
621 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
622 assert(ost->audio_resample);
624 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
625 // 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));
626 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
630 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
631 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
633 if (ost->audio_resample) {
635 size_out = audio_resample(ost->resample,
636 (short *)buftmp, (short *)buf,
637 size / (ist->st->codec->channels * isize));
638 size_out = size_out * enc->channels * osize;
644 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
645 const void *ibuf[6]= {buftmp};
646 void *obuf[6]= {audio_out2};
647 int istride[6]= {isize};
648 int ostride[6]= {osize};
649 int len= size_out/istride[0];
650 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
651 printf("av_audio_convert() failed\n");
657 size_out = len*osize;
660 /* now encode as many frames as possible */
661 if (enc->frame_size > 1) {
662 /* output resampled raw samples */
663 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
664 fprintf(stderr, "av_fifo_realloc2() failed\n");
667 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
669 frame_bytes = enc->frame_size * osize * enc->channels;
671 while (av_fifo_size(ost->fifo) >= frame_bytes) {
673 av_init_packet(&pkt);
675 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
677 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
679 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
682 fprintf(stderr, "Audio encoding failed\n");
686 pkt.stream_index= ost->index;
689 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
690 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
691 pkt.flags |= PKT_FLAG_KEY;
692 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
694 ost->sync_opts += enc->frame_size;
698 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
699 av_init_packet(&pkt);
701 ost->sync_opts += size_out / (osize * enc->channels);
703 /* output a pcm frame */
704 /* determine the size of the coded buffer */
707 size_out *= coded_bps;
709 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
710 ret = avcodec_encode_audio(enc, audio_out, size_out,
713 fprintf(stderr, "Audio encoding failed\n");
717 pkt.stream_index= ost->index;
720 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
721 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
722 pkt.flags |= PKT_FLAG_KEY;
723 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
727 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
731 AVPicture picture_tmp;
734 dec = ist->st->codec;
736 /* deinterlace : must be done before any resize */
737 if (do_deinterlace) {
740 /* create temporary picture */
741 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
742 buf = av_malloc(size);
746 picture2 = &picture_tmp;
747 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
750 if(avpicture_deinterlace(picture2, picture,
751 dec->pix_fmt, dec->width, dec->height) < 0) {
752 /* if error, do not deinterlace */
753 fprintf(stderr, "Deinterlacing failed\n");
759 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
765 if (picture != picture2)
766 *picture = *picture2;
770 /* we begin to correct av delay at this threshold */
771 #define AV_DELAY_MAX 0.100
773 static void do_subtitle_out(AVFormatContext *s,
779 static uint8_t *subtitle_out = NULL;
780 int subtitle_out_max_size = 65536;
781 int subtitle_out_size, nb, i;
785 if (pts == AV_NOPTS_VALUE) {
786 fprintf(stderr, "Subtitle packets must have a pts\n");
792 enc = ost->st->codec;
795 subtitle_out = av_malloc(subtitle_out_max_size);
798 /* Note: DVB subtitle need one packet to draw them and one other
799 packet to clear them */
800 /* XXX: signal it in the codec context ? */
801 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
806 for(i = 0; i < nb; i++) {
807 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
808 subtitle_out_max_size, sub);
810 av_init_packet(&pkt);
811 pkt.stream_index = ost->index;
812 pkt.data = subtitle_out;
813 pkt.size = subtitle_out_size;
814 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
815 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
816 /* XXX: the pts correction is handled here. Maybe handling
817 it in the codec would be better */
819 pkt.pts += 90 * sub->start_display_time;
821 pkt.pts += 90 * sub->end_display_time;
823 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
827 static int bit_buffer_size= 1024*256;
828 static uint8_t *bit_buffer= NULL;
830 static void do_video_out(AVFormatContext *s,
836 int nb_frames, i, ret;
837 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
838 AVFrame picture_crop_temp, picture_pad_temp;
839 AVCodecContext *enc, *dec;
841 avcodec_get_frame_defaults(&picture_crop_temp);
842 avcodec_get_frame_defaults(&picture_pad_temp);
844 enc = ost->st->codec;
845 dec = ist->st->codec;
847 /* by default, we output a single frame */
852 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
854 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
855 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
858 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
862 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
863 }else if (vdelta > 1.1)
864 nb_frames = lrintf(vdelta);
865 //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);
869 fprintf(stderr, "*** drop!\n");
870 }else if (nb_frames > 1) {
871 nb_frames_dup += nb_frames;
873 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
876 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
878 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
882 if (ost->video_crop) {
883 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
884 fprintf(stderr, "error cropping picture\n");
889 formatted_picture = &picture_crop_temp;
891 formatted_picture = in_picture;
894 final_picture = formatted_picture;
895 padding_src = formatted_picture;
896 resampling_dst = &ost->pict_tmp;
897 if (ost->video_pad) {
898 final_picture = &ost->pict_tmp;
899 if (ost->video_resample) {
900 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
901 fprintf(stderr, "error padding picture\n");
906 resampling_dst = &picture_pad_temp;
910 if (ost->video_resample) {
912 final_picture = &ost->pict_tmp;
913 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
914 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
917 if (ost->video_pad) {
918 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
919 enc->height, enc->width, enc->pix_fmt,
920 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
923 /* duplicates frame if needed */
924 for(i=0;i<nb_frames;i++) {
926 av_init_packet(&pkt);
927 pkt.stream_index= ost->index;
929 if (s->oformat->flags & AVFMT_RAWPICTURE) {
930 /* raw pictures are written as AVPicture structure to
931 avoid any copies. We support temorarily the older
933 AVFrame* old_frame = enc->coded_frame;
934 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
935 pkt.data= (uint8_t *)final_picture;
936 pkt.size= sizeof(AVPicture);
937 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
938 pkt.flags |= PKT_FLAG_KEY;
940 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
941 enc->coded_frame = old_frame;
945 big_picture= *final_picture;
946 /* better than nothing: use input picture interlaced
948 big_picture.interlaced_frame = in_picture->interlaced_frame;
949 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
950 if(top_field_first == -1)
951 big_picture.top_field_first = in_picture->top_field_first;
953 big_picture.top_field_first = top_field_first;
956 /* handles sameq here. This is not correct because it may
957 not be a global option */
959 big_picture.quality = ist->st->quality;
961 big_picture.quality = ost->st->quality;
963 big_picture.pict_type = 0;
964 // big_picture.pts = AV_NOPTS_VALUE;
965 big_picture.pts= ost->sync_opts;
966 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
967 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
968 ret = avcodec_encode_video(enc,
969 bit_buffer, bit_buffer_size,
972 fprintf(stderr, "Video encoding failed\n");
975 //enc->frame_number = enc->real_pict_num;
977 pkt.data= bit_buffer;
979 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
980 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
981 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
982 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
983 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
985 if(enc->coded_frame->key_frame)
986 pkt.flags |= PKT_FLAG_KEY;
987 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
990 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
991 // enc->frame_number-1, enc->real_pict_num, ret,
993 /* if two pass, output log */
994 if (ost->logfile && enc->stats_out) {
995 fprintf(ost->logfile, "%s", enc->stats_out);
1000 ost->frame_number++;
1004 static double psnr(double d){
1005 return -10.0*log(d)/log(10.0);
1008 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1011 AVCodecContext *enc;
1013 double ti1, bitrate, avg_bitrate;
1015 /* this is executed just the first time do_video_stats is called */
1017 vstats_file = fopen(vstats_filename, "w");
1024 enc = ost->st->codec;
1025 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1026 frame_number = ost->frame_number;
1027 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1028 if (enc->flags&CODEC_FLAG_PSNR)
1029 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1031 fprintf(vstats_file,"f_size= %6d ", frame_size);
1032 /* compute pts value */
1033 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1037 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1038 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1039 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1040 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1041 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1045 static void print_report(AVFormatContext **output_files,
1046 AVOutputStream **ost_table, int nb_ostreams,
1050 AVOutputStream *ost;
1051 AVFormatContext *oc, *os;
1053 AVCodecContext *enc;
1054 int frame_number, vid, i;
1055 double bitrate, ti1, pts;
1056 static int64_t last_time = -1;
1057 static int qp_histogram[52];
1059 if (!is_last_report) {
1061 /* display the report every 0.5 seconds */
1062 cur_time = av_gettime();
1063 if (last_time == -1) {
1064 last_time = cur_time;
1067 if ((cur_time - last_time) < 500000)
1069 last_time = cur_time;
1073 oc = output_files[0];
1075 total_size = url_fsize(oc->pb);
1076 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1077 total_size= url_ftell(oc->pb);
1082 for(i=0;i<nb_ostreams;i++) {
1084 os = output_files[ost->file_index];
1085 enc = ost->st->codec;
1086 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1087 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1088 !ost->st->stream_copy ?
1089 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1091 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1092 float t = (av_gettime()-timer_start) / 1000000.0;
1094 frame_number = ost->frame_number;
1095 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1096 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1097 !ost->st->stream_copy ?
1098 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1103 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1104 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1109 if (enc->flags&CODEC_FLAG_PSNR){
1111 double error, error_sum=0;
1112 double scale, scale_sum=0;
1113 char type[3]= {'Y','U','V'};
1114 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1117 error= enc->error[j];
1118 scale= enc->width*enc->height*255.0*255.0*frame_number;
1120 error= enc->coded_frame->error[j];
1121 scale= enc->width*enc->height*255.0*255.0;
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1128 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1132 /* compute min output value */
1133 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1134 if ((pts < ti1) && (pts > 0))
1140 if (verbose || is_last_report) {
1141 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1143 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1144 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1145 (double)total_size / 1024, ti1, bitrate);
1148 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1149 nb_frames_dup, nb_frames_drop);
1152 fprintf(stderr, "%s \r", buf);
1157 if (is_last_report && verbose >= 0){
1158 int64_t raw= audio_size + video_size + extra_size;
1159 fprintf(stderr, "\n");
1160 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1164 100.0*(total_size - raw)/raw
1169 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1170 static int output_packet(AVInputStream *ist, int ist_index,
1171 AVOutputStream **ost_table, int nb_ostreams,
1172 const AVPacket *pkt)
1174 AVFormatContext *os;
1175 AVOutputStream *ost;
1179 int data_size, got_picture;
1181 void *buffer_to_free;
1182 static unsigned int samples_size= 0;
1183 static short *samples= NULL;
1184 AVSubtitle subtitle, *subtitle_to_free;
1187 if(ist->next_pts == AV_NOPTS_VALUE)
1188 ist->next_pts= ist->pts;
1197 if(pkt->dts != AV_NOPTS_VALUE)
1198 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1203 //while we have more to decode or while the decoder did output something on EOF
1204 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1206 ist->pts= ist->next_pts;
1208 if(len && len != pkt->size && verbose>0)
1209 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1211 /* decode the packet if needed */
1212 data_buf = NULL; /* fail safe */
1214 subtitle_to_free = NULL;
1215 if (ist->decoding_needed) {
1216 switch(ist->st->codec->codec_type) {
1217 case CODEC_TYPE_AUDIO:{
1218 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1219 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1221 samples= av_malloc(samples_size);
1223 data_size= samples_size;
1224 /* XXX: could avoid copy if PCM 16 bits with same
1225 endianness as CPU */
1226 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1232 /* Some bug in mpeg audio decoder gives */
1233 /* data_size < 0, it seems they are overflows */
1234 if (data_size <= 0) {
1235 /* no audio frame */
1238 data_buf = (uint8_t *)samples;
1239 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1240 (ist->st->codec->sample_rate * ist->st->codec->channels);
1242 case CODEC_TYPE_VIDEO:
1243 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1244 /* XXX: allocate picture correctly */
1245 avcodec_get_frame_defaults(&picture);
1247 ret = avcodec_decode_video(ist->st->codec,
1248 &picture, &got_picture, ptr, len);
1249 ist->st->quality= picture.quality;
1253 /* no picture yet */
1254 goto discard_packet;
1256 if (ist->st->codec->time_base.num != 0) {
1257 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1258 ist->next_pts += ((int64_t)AV_TIME_BASE *
1259 ist->st->codec->time_base.num * ticks) /
1260 ist->st->codec->time_base.den;
1264 case CODEC_TYPE_SUBTITLE:
1265 ret = avcodec_decode_subtitle(ist->st->codec,
1266 &subtitle, &got_subtitle, ptr, len);
1269 if (!got_subtitle) {
1270 goto discard_packet;
1272 subtitle_to_free = &subtitle;
1279 switch(ist->st->codec->codec_type) {
1280 case CODEC_TYPE_AUDIO:
1281 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1282 ist->st->codec->sample_rate;
1284 case CODEC_TYPE_VIDEO:
1285 if (ist->st->codec->time_base.num != 0) {
1286 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1287 ist->next_pts += ((int64_t)AV_TIME_BASE *
1288 ist->st->codec->time_base.num * ticks) /
1289 ist->st->codec->time_base.den;
1299 buffer_to_free = NULL;
1300 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1301 pre_process_video_frame(ist, (AVPicture *)&picture,
1305 // preprocess audio (volume)
1306 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1307 if (audio_volume != 256) {
1310 for(i=0;i<(data_size / sizeof(short));i++) {
1311 int v = ((*volp) * audio_volume + 128) >> 8;
1312 if (v < -32768) v = -32768;
1313 if (v > 32767) v = 32767;
1319 /* frame rate emulation */
1321 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1322 int64_t now = av_gettime() - ist->start;
1327 /* if output time reached then transcode raw format,
1328 encode packets and output them */
1329 if (start_time == 0 || ist->pts >= start_time)
1330 for(i=0;i<nb_ostreams;i++) {
1334 if (ost->source_index == ist_index) {
1335 os = output_files[ost->file_index];
1338 printf("%d: got pts=%0.3f %0.3f\n", i,
1339 (double)pkt->pts / AV_TIME_BASE,
1340 ((double)ist->pts / AV_TIME_BASE) -
1341 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1343 /* set the input output pts pairs */
1344 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1346 if (ost->encoding_needed) {
1347 switch(ost->st->codec->codec_type) {
1348 case CODEC_TYPE_AUDIO:
1349 do_audio_out(os, ost, ist, data_buf, data_size);
1351 case CODEC_TYPE_VIDEO:
1352 do_video_out(os, ost, ist, &picture, &frame_size);
1353 if (vstats_filename && frame_size)
1354 do_video_stats(os, ost, frame_size);
1356 case CODEC_TYPE_SUBTITLE:
1357 do_subtitle_out(os, ost, ist, &subtitle,
1364 AVFrame avframe; //FIXME/XXX remove this
1366 av_init_packet(&opkt);
1368 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1371 /* no reencoding needed : output the packet directly */
1372 /* force the input stream PTS */
1374 avcodec_get_frame_defaults(&avframe);
1375 ost->st->codec->coded_frame= &avframe;
1376 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1378 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1379 audio_size += data_size;
1380 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1381 video_size += data_size;
1385 opkt.stream_index= ost->index;
1386 if(pkt->pts != AV_NOPTS_VALUE)
1387 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1389 opkt.pts= AV_NOPTS_VALUE;
1391 if (pkt->dts == AV_NOPTS_VALUE)
1392 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1394 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1396 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1397 opkt.flags= pkt->flags;
1399 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1400 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1401 opkt.destruct= av_destruct_packet;
1403 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1404 ost->st->codec->frame_number++;
1405 ost->frame_number++;
1406 av_free_packet(&opkt);
1410 av_free(buffer_to_free);
1411 /* XXX: allocate the subtitles in the codec ? */
1412 if (subtitle_to_free) {
1413 if (subtitle_to_free->rects != NULL) {
1414 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1415 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1416 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1417 av_freep(&subtitle_to_free->rects[i]);
1419 av_freep(&subtitle_to_free->rects);
1421 subtitle_to_free->num_rects = 0;
1422 subtitle_to_free = NULL;
1429 for(i=0;i<nb_ostreams;i++) {
1431 if (ost->source_index == ist_index) {
1432 AVCodecContext *enc= ost->st->codec;
1433 os = output_files[ost->file_index];
1435 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1437 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1440 if (ost->encoding_needed) {
1444 av_init_packet(&pkt);
1445 pkt.stream_index= ost->index;
1447 switch(ost->st->codec->codec_type) {
1448 case CODEC_TYPE_AUDIO:
1449 fifo_bytes = av_fifo_size(ost->fifo);
1451 /* encode any samples remaining in fifo */
1452 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1453 int fs_tmp = enc->frame_size;
1454 enc->frame_size = fifo_bytes / (2 * enc->channels);
1455 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1456 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1457 enc->frame_size = fs_tmp;
1460 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1463 fprintf(stderr, "Audio encoding failed\n");
1467 pkt.flags |= PKT_FLAG_KEY;
1469 case CODEC_TYPE_VIDEO:
1470 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1472 fprintf(stderr, "Video encoding failed\n");
1476 if(enc->coded_frame && enc->coded_frame->key_frame)
1477 pkt.flags |= PKT_FLAG_KEY;
1478 if (ost->logfile && enc->stats_out) {
1479 fprintf(ost->logfile, "%s", enc->stats_out);
1488 pkt.data= bit_buffer;
1490 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1491 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1492 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1504 static void print_sdp(AVFormatContext **avc, int n)
1508 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1509 printf("SDP:\n%s\n", sdp);
1513 static int stream_index_from_inputs(AVFormatContext **input_files,
1515 AVInputFile *file_table,
1516 AVInputStream **ist_table,
1517 enum CodecType type,
1521 for(z=0; z<nb_input_files; z++) {
1522 AVFormatContext *ic = input_files[z];
1523 for(p=0; p<ic->nb_programs; p++) {
1524 AVProgram *program = ic->programs[p];
1525 if(program->id != programid)
1527 for(q=0; q<program->nb_stream_indexes; q++) {
1528 int sidx = program->stream_index[q];
1529 int ris = file_table[z].ist_index + sidx;
1530 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1540 * The following code is the main loop of the file converter
1542 static int av_encode(AVFormatContext **output_files,
1543 int nb_output_files,
1544 AVFormatContext **input_files,
1546 AVStreamMap *stream_maps, int nb_stream_maps)
1548 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1549 AVFormatContext *is, *os;
1550 AVCodecContext *codec, *icodec;
1551 AVOutputStream *ost, **ost_table = NULL;
1552 AVInputStream *ist, **ist_table = NULL;
1553 AVInputFile *file_table;
1557 uint8_t no_packet[MAX_FILES]={0};
1558 int no_packet_count=0;
1560 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1564 /* input stream init */
1566 for(i=0;i<nb_input_files;i++) {
1567 is = input_files[i];
1568 file_table[i].ist_index = j;
1569 file_table[i].nb_streams = is->nb_streams;
1570 j += is->nb_streams;
1574 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1578 for(i=0;i<nb_istreams;i++) {
1579 ist = av_mallocz(sizeof(AVInputStream));
1585 for(i=0;i<nb_input_files;i++) {
1586 is = input_files[i];
1587 for(k=0;k<is->nb_streams;k++) {
1588 ist = ist_table[j++];
1589 ist->st = is->streams[k];
1590 ist->file_index = i;
1592 ist->discard = 1; /* the stream is discarded by default
1596 ist->start = av_gettime();
1601 /* output stream init */
1603 for(i=0;i<nb_output_files;i++) {
1604 os = output_files[i];
1605 if (!os->nb_streams) {
1606 dump_format(output_files[i], i, output_files[i]->filename, 1);
1607 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1610 nb_ostreams += os->nb_streams;
1612 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1613 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1617 /* Sanity check the mapping args -- do the input files & streams exist? */
1618 for(i=0;i<nb_stream_maps;i++) {
1619 int fi = stream_maps[i].file_index;
1620 int si = stream_maps[i].stream_index;
1622 if (fi < 0 || fi > nb_input_files - 1 ||
1623 si < 0 || si > file_table[fi].nb_streams - 1) {
1624 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1627 fi = stream_maps[i].sync_file_index;
1628 si = stream_maps[i].sync_stream_index;
1629 if (fi < 0 || fi > nb_input_files - 1 ||
1630 si < 0 || si > file_table[fi].nb_streams - 1) {
1631 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1636 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1639 for(i=0;i<nb_ostreams;i++) {
1640 ost = av_mallocz(sizeof(AVOutputStream));
1647 for(k=0;k<nb_output_files;k++) {
1648 os = output_files[k];
1649 for(i=0;i<os->nb_streams;i++,n++) {
1652 ost->file_index = k;
1654 ost->st = os->streams[i];
1655 if (nb_stream_maps > 0) {
1656 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1657 stream_maps[n].stream_index;
1659 /* Sanity check that the stream types match */
1660 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1661 int i= ost->file_index;
1662 dump_format(output_files[i], i, output_files[i]->filename, 1);
1663 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1664 stream_maps[n].file_index, stream_maps[n].stream_index,
1665 ost->file_index, ost->index);
1672 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1674 ost->source_index = j;
1678 /* get corresponding input stream index : we select the first one with the right type */
1680 for(j=0;j<nb_istreams;j++) {
1683 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1684 ost->source_index = j;
1692 if(! opt_programid) {
1693 /* try again and reuse existing stream */
1694 for(j=0;j<nb_istreams;j++) {
1696 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1697 ost->source_index = j;
1703 int i= ost->file_index;
1704 dump_format(output_files[i], i, output_files[i]->filename, 1);
1705 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1706 ost->file_index, ost->index);
1711 ist = ist_table[ost->source_index];
1713 ost->sync_ist = (nb_stream_maps > 0) ?
1714 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1715 stream_maps[n].sync_stream_index] : ist;
1719 /* for each output stream, we compute the right encoding parameters */
1720 for(i=0;i<nb_ostreams;i++) {
1721 AVMetadataTag *lang;
1723 os = output_files[ost->file_index];
1724 ist = ist_table[ost->source_index];
1726 codec = ost->st->codec;
1727 icodec = ist->st->codec;
1729 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1730 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1731 av_metadata_set(&ost->st->metadata, "language", lang->value);
1733 ost->st->disposition = ist->st->disposition;
1735 if (ost->st->stream_copy) {
1736 /* if stream_copy is selected, no need to decode or encode */
1737 codec->codec_id = icodec->codec_id;
1738 codec->codec_type = icodec->codec_type;
1740 if(!codec->codec_tag){
1741 if( !os->oformat->codec_tag
1742 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1743 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1744 codec->codec_tag = icodec->codec_tag;
1747 codec->bit_rate = icodec->bit_rate;
1748 codec->extradata= icodec->extradata;
1749 codec->extradata_size= icodec->extradata_size;
1750 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){
1751 codec->time_base = icodec->time_base;
1752 codec->time_base.num *= icodec->ticks_per_frame;
1754 codec->time_base = ist->st->time_base;
1755 switch(codec->codec_type) {
1756 case CODEC_TYPE_AUDIO:
1757 if(audio_volume != 256) {
1758 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1761 codec->channel_layout = icodec->channel_layout;
1762 codec->sample_rate = icodec->sample_rate;
1763 codec->channels = icodec->channels;
1764 codec->frame_size = icodec->frame_size;
1765 codec->block_align= icodec->block_align;
1766 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1767 codec->block_align= 0;
1768 if(codec->codec_id == CODEC_ID_AC3)
1769 codec->block_align= 0;
1771 case CODEC_TYPE_VIDEO:
1772 codec->pix_fmt = icodec->pix_fmt;
1773 codec->width = icodec->width;
1774 codec->height = icodec->height;
1775 codec->has_b_frames = icodec->has_b_frames;
1777 case CODEC_TYPE_SUBTITLE:
1778 codec->width = icodec->width;
1779 codec->height = icodec->height;
1785 switch(codec->codec_type) {
1786 case CODEC_TYPE_AUDIO:
1787 ost->fifo= av_fifo_alloc(1024);
1790 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1791 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1792 icodec->request_channels = codec->channels;
1793 ist->decoding_needed = 1;
1794 ost->encoding_needed = 1;
1796 case CODEC_TYPE_VIDEO:
1797 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1798 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1799 ost->video_resample = ((codec->width != icodec->width -
1800 (frame_leftBand + frame_rightBand) +
1801 (frame_padleft + frame_padright)) ||
1802 (codec->height != icodec->height -
1803 (frame_topBand + frame_bottomBand) +
1804 (frame_padtop + frame_padbottom)) ||
1805 (codec->pix_fmt != icodec->pix_fmt));
1806 if (ost->video_crop) {
1807 ost->topBand = frame_topBand;
1808 ost->leftBand = frame_leftBand;
1810 if (ost->video_pad) {
1811 ost->padtop = frame_padtop;
1812 ost->padleft = frame_padleft;
1813 ost->padbottom = frame_padbottom;
1814 ost->padright = frame_padright;
1815 if (!ost->video_resample) {
1816 avcodec_get_frame_defaults(&ost->pict_tmp);
1817 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1818 codec->width, codec->height))
1822 if (ost->video_resample) {
1823 avcodec_get_frame_defaults(&ost->pict_tmp);
1824 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1825 codec->width, codec->height)) {
1826 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1829 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1830 ost->img_resample_ctx = sws_getContext(
1831 icodec->width - (frame_leftBand + frame_rightBand),
1832 icodec->height - (frame_topBand + frame_bottomBand),
1834 codec->width - (frame_padleft + frame_padright),
1835 codec->height - (frame_padtop + frame_padbottom),
1837 sws_flags, NULL, NULL, NULL);
1838 if (ost->img_resample_ctx == NULL) {
1839 fprintf(stderr, "Cannot get resampling context\n");
1842 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1844 ost->encoding_needed = 1;
1845 ist->decoding_needed = 1;
1847 case CODEC_TYPE_SUBTITLE:
1848 ost->encoding_needed = 1;
1849 ist->decoding_needed = 1;
1856 if (ost->encoding_needed &&
1857 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1858 char logfilename[1024];
1863 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1864 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1866 if (codec->flags & CODEC_FLAG_PASS1) {
1867 f = fopen(logfilename, "w");
1869 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1874 /* read the log file */
1875 f = fopen(logfilename, "r");
1877 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1880 fseek(f, 0, SEEK_END);
1882 fseek(f, 0, SEEK_SET);
1883 logbuffer = av_malloc(size + 1);
1885 fprintf(stderr, "Could not allocate log buffer\n");
1888 size = fread(logbuffer, 1, size, f);
1890 logbuffer[size] = '\0';
1891 codec->stats_in = logbuffer;
1895 if(codec->codec_type == CODEC_TYPE_VIDEO){
1896 int size= codec->width * codec->height;
1897 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1902 bit_buffer = av_malloc(bit_buffer_size);
1904 ret = AVERROR(ENOMEM);
1908 /* open each encoder */
1909 for(i=0;i<nb_ostreams;i++) {
1911 if (ost->encoding_needed) {
1912 AVCodec *codec = output_codecs[i];
1914 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1916 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1917 ost->file_index, ost->index);
1918 ret = AVERROR(EINVAL);
1921 if (avcodec_open(ost->st->codec, codec) < 0) {
1922 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1923 ost->file_index, ost->index);
1924 ret = AVERROR(EINVAL);
1927 extra_size += ost->st->codec->extradata_size;
1931 /* open each decoder */
1932 for(i=0;i<nb_istreams;i++) {
1934 if (ist->decoding_needed) {
1935 AVCodec *codec = input_codecs[i];
1937 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1939 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1940 ist->st->codec->codec_id, ist->file_index, ist->index);
1941 ret = AVERROR(EINVAL);
1944 if (avcodec_open(ist->st->codec, codec) < 0) {
1945 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1946 ist->file_index, ist->index);
1947 ret = AVERROR(EINVAL);
1950 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1951 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1956 for(i=0;i<nb_istreams;i++) {
1958 is = input_files[ist->file_index];
1960 ist->next_pts = AV_NOPTS_VALUE;
1964 /* set meta data information from input file if required */
1965 for (i=0;i<nb_meta_data_maps;i++) {
1966 AVFormatContext *out_file;
1967 AVFormatContext *in_file;
1968 AVMetadataTag *mtag;
1970 int out_file_index = meta_data_maps[i].out_file;
1971 int in_file_index = meta_data_maps[i].in_file;
1972 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1973 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
1974 out_file_index, out_file_index, in_file_index);
1975 ret = AVERROR(EINVAL);
1978 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1979 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
1980 in_file_index, out_file_index, in_file_index);
1981 ret = AVERROR(EINVAL);
1985 out_file = output_files[out_file_index];
1986 in_file = input_files[in_file_index];
1990 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
1991 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
1992 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
1993 in_file->iformat->metadata_conv);
1996 /* open files and write file headers */
1997 for(i=0;i<nb_output_files;i++) {
1998 os = output_files[i];
1999 if (av_write_header(os) < 0) {
2000 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2001 ret = AVERROR(EINVAL);
2004 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2010 /* dump the file output parameters - cannot be done before in case
2012 for(i=0;i<nb_output_files;i++) {
2013 dump_format(output_files[i], i, output_files[i]->filename, 1);
2016 /* dump the stream mapping */
2018 fprintf(stderr, "Stream mapping:\n");
2019 for(i=0;i<nb_ostreams;i++) {
2021 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2022 ist_table[ost->source_index]->file_index,
2023 ist_table[ost->source_index]->index,
2026 if (ost->sync_ist != ist_table[ost->source_index])
2027 fprintf(stderr, " [sync #%d.%d]",
2028 ost->sync_ist->file_index,
2029 ost->sync_ist->index);
2030 fprintf(stderr, "\n");
2035 fprintf(stderr, "%s\n", error);
2040 print_sdp(output_files, nb_output_files);
2043 if (!using_stdin && verbose >= 0) {
2044 fprintf(stderr, "Press [q] to stop encoding\n");
2045 url_set_interrupt_cb(decode_interrupt_cb);
2050 timer_start = av_gettime();
2052 for(; received_sigterm == 0;) {
2053 int file_index, ist_index;
2061 /* if 'q' pressed, exits */
2065 /* read_key() returns 0 on EOF */
2071 /* select the stream that we must read now by looking at the
2072 smallest output pts */
2074 for(i=0;i<nb_ostreams;i++) {
2077 os = output_files[ost->file_index];
2078 ist = ist_table[ost->source_index];
2079 if(no_packet[ist->file_index])
2081 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2082 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2084 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2085 ipts = (double)ist->pts;
2086 if (!file_table[ist->file_index].eof_reached){
2087 if(ipts < ipts_min) {
2089 if(input_sync ) file_index = ist->file_index;
2091 if(opts < opts_min) {
2093 if(!input_sync) file_index = ist->file_index;
2096 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2101 /* if none, if is finished */
2102 if (file_index < 0) {
2103 if(no_packet_count){
2105 memset(no_packet, 0, sizeof(no_packet));
2112 /* finish if recording time exhausted */
2113 if (opts_min >= (recording_time / 1000000.0))
2116 /* finish if limit size exhausted */
2117 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2120 /* read a frame from it and output it in the fifo */
2121 is = input_files[file_index];
2122 ret= av_read_frame(is, &pkt);
2123 if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm")){
2124 no_packet[file_index]=1;
2129 file_table[file_index].eof_reached = 1;
2137 memset(no_packet, 0, sizeof(no_packet));
2140 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2142 /* the following test is needed in case new streams appear
2143 dynamically in stream : we ignore them */
2144 if (pkt.stream_index >= file_table[file_index].nb_streams)
2145 goto discard_packet;
2146 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2147 ist = ist_table[ist_index];
2149 goto discard_packet;
2151 if (pkt.dts != AV_NOPTS_VALUE)
2152 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2153 if (pkt.pts != AV_NOPTS_VALUE)
2154 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2156 if(input_files_ts_scale[file_index][pkt.stream_index]){
2157 if(pkt.pts != AV_NOPTS_VALUE)
2158 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2159 if(pkt.dts != AV_NOPTS_VALUE)
2160 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2163 // 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);
2164 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2165 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2166 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2167 int64_t delta= pkt_dts - ist->next_pts;
2168 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2169 input_files_ts_offset[ist->file_index]-= delta;
2171 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2172 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2173 if(pkt.pts != AV_NOPTS_VALUE)
2174 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2178 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2179 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2182 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2183 ist->file_index, ist->index);
2186 av_free_packet(&pkt);
2191 av_free_packet(&pkt);
2193 /* dump report by using the output first video and audio streams */
2194 print_report(output_files, ost_table, nb_ostreams, 0);
2197 /* at the end of stream, we must flush the decoder buffers */
2198 for(i=0;i<nb_istreams;i++) {
2200 if (ist->decoding_needed) {
2201 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2207 /* write the trailer if needed and close file */
2208 for(i=0;i<nb_output_files;i++) {
2209 os = output_files[i];
2210 av_write_trailer(os);
2213 /* dump report by using the first video and audio streams */
2214 print_report(output_files, ost_table, nb_ostreams, 1);
2216 /* close each encoder */
2217 for(i=0;i<nb_ostreams;i++) {
2219 if (ost->encoding_needed) {
2220 av_freep(&ost->st->codec->stats_in);
2221 avcodec_close(ost->st->codec);
2225 /* close each decoder */
2226 for(i=0;i<nb_istreams;i++) {
2228 if (ist->decoding_needed) {
2229 avcodec_close(ist->st->codec);
2237 av_freep(&bit_buffer);
2238 av_free(file_table);
2241 for(i=0;i<nb_istreams;i++) {
2248 for(i=0;i<nb_ostreams;i++) {
2252 fclose(ost->logfile);
2253 ost->logfile = NULL;
2255 av_fifo_free(ost->fifo); /* works even if fifo is not
2256 initialized but set to zero */
2257 av_free(ost->pict_tmp.data[0]);
2258 if (ost->video_resample)
2259 sws_freeContext(ost->img_resample_ctx);
2261 audio_resample_close(ost->resample);
2262 if (ost->reformat_ctx)
2263 av_audio_convert_free(ost->reformat_ctx);
2273 int file_read(const char *filename)
2276 unsigned char buffer[1024];
2279 if (url_open(&h, filename, O_RDONLY) < 0) {
2280 printf("could not open '%s'\n", filename);
2284 len = url_read(h, buffer, sizeof(buffer));
2287 for(i=0;i<len;i++) putchar(buffer[i]);
2294 static void opt_format(const char *arg)
2296 /* compatibility stuff for pgmyuv */
2297 if (!strcmp(arg, "pgmyuv")) {
2298 pgmyuv_compatibility_hack=1;
2299 // opt_image_format(arg);
2301 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2304 file_iformat = av_find_input_format(arg);
2305 file_oformat = guess_format(arg, NULL, NULL);
2306 if (!file_iformat && !file_oformat) {
2307 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2312 static void opt_video_rc_override_string(const char *arg)
2314 video_rc_override_string = arg;
2317 static int opt_me_threshold(const char *opt, const char *arg)
2319 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2323 static int opt_verbose(const char *opt, const char *arg)
2325 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2326 av_log_set_level(verbose);
2330 static int opt_frame_rate(const char *opt, const char *arg)
2332 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2333 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2339 static int opt_bitrate(const char *opt, const char *arg)
2341 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2343 opt_default(opt, arg);
2345 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2346 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2351 static void opt_frame_crop_top(const char *arg)
2353 frame_topBand = atoi(arg);
2354 if (frame_topBand < 0) {
2355 fprintf(stderr, "Incorrect top crop size\n");
2358 if ((frame_topBand % 2) != 0) {
2359 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2362 if ((frame_topBand) >= frame_height){
2363 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2366 frame_height -= frame_topBand;
2369 static void opt_frame_crop_bottom(const char *arg)
2371 frame_bottomBand = atoi(arg);
2372 if (frame_bottomBand < 0) {
2373 fprintf(stderr, "Incorrect bottom crop size\n");
2376 if ((frame_bottomBand % 2) != 0) {
2377 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2380 if ((frame_bottomBand) >= frame_height){
2381 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2384 frame_height -= frame_bottomBand;
2387 static void opt_frame_crop_left(const char *arg)
2389 frame_leftBand = atoi(arg);
2390 if (frame_leftBand < 0) {
2391 fprintf(stderr, "Incorrect left crop size\n");
2394 if ((frame_leftBand % 2) != 0) {
2395 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2398 if ((frame_leftBand) >= frame_width){
2399 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2402 frame_width -= frame_leftBand;
2405 static void opt_frame_crop_right(const char *arg)
2407 frame_rightBand = atoi(arg);
2408 if (frame_rightBand < 0) {
2409 fprintf(stderr, "Incorrect right crop size\n");
2412 if ((frame_rightBand % 2) != 0) {
2413 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2416 if ((frame_rightBand) >= frame_width){
2417 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2420 frame_width -= frame_rightBand;
2423 static void opt_frame_size(const char *arg)
2425 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2426 fprintf(stderr, "Incorrect frame size\n");
2429 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2430 fprintf(stderr, "Frame size must be a multiple of 2\n");
2436 #define SCALEBITS 10
2437 #define ONE_HALF (1 << (SCALEBITS - 1))
2438 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2440 #define RGB_TO_Y(r, g, b) \
2441 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2442 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2444 #define RGB_TO_U(r1, g1, b1, shift)\
2445 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2446 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2448 #define RGB_TO_V(r1, g1, b1, shift)\
2449 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2450 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2452 static void opt_pad_color(const char *arg) {
2453 /* Input is expected to be six hex digits similar to
2454 how colors are expressed in html tags (but without the #) */
2455 int rgb = strtol(arg, NULL, 16);
2459 g = ((rgb >> 8) & 255);
2462 padcolor[0] = RGB_TO_Y(r,g,b);
2463 padcolor[1] = RGB_TO_U(r,g,b,0);
2464 padcolor[2] = RGB_TO_V(r,g,b,0);
2467 static void opt_frame_pad_top(const char *arg)
2469 frame_padtop = atoi(arg);
2470 if (frame_padtop < 0) {
2471 fprintf(stderr, "Incorrect top pad size\n");
2474 if ((frame_padtop % 2) != 0) {
2475 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2480 static void opt_frame_pad_bottom(const char *arg)
2482 frame_padbottom = atoi(arg);
2483 if (frame_padbottom < 0) {
2484 fprintf(stderr, "Incorrect bottom pad size\n");
2487 if ((frame_padbottom % 2) != 0) {
2488 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2494 static void opt_frame_pad_left(const char *arg)
2496 frame_padleft = atoi(arg);
2497 if (frame_padleft < 0) {
2498 fprintf(stderr, "Incorrect left pad size\n");
2501 if ((frame_padleft % 2) != 0) {
2502 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2508 static void opt_frame_pad_right(const char *arg)
2510 frame_padright = atoi(arg);
2511 if (frame_padright < 0) {
2512 fprintf(stderr, "Incorrect right pad size\n");
2515 if ((frame_padright % 2) != 0) {
2516 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2521 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2525 for (i=-1; i < nb_fmts; i++) {
2526 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2527 fprintf(stdout, "%s\n", fmt_str);
2531 static void opt_frame_pix_fmt(const char *arg)
2533 if (strcmp(arg, "list"))
2534 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2536 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2541 static void opt_frame_aspect_ratio(const char *arg)
2548 p = strchr(arg, ':');
2550 x = strtol(arg, &end, 10);
2552 y = strtol(end+1, &end, 10);
2554 ar = (double)x / (double)y;
2556 ar = strtod(arg, NULL);
2559 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2562 frame_aspect_ratio = ar;
2565 static int opt_metadata(const char *opt, const char *arg)
2567 char *mid= strchr(arg, '=');
2570 fprintf(stderr, "Missing =\n");
2576 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2577 metadata[metadata_count-1].key = av_strdup(arg);
2578 metadata[metadata_count-1].value= av_strdup(mid);
2583 static void opt_qscale(const char *arg)
2585 video_qscale = atof(arg);
2586 if (video_qscale <= 0 ||
2587 video_qscale > 255) {
2588 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2593 static void opt_top_field_first(const char *arg)
2595 top_field_first= atoi(arg);
2598 static int opt_thread_count(const char *opt, const char *arg)
2600 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2603 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2608 static void opt_audio_sample_fmt(const char *arg)
2610 if (strcmp(arg, "list"))
2611 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2613 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2618 static int opt_audio_rate(const char *opt, const char *arg)
2620 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2624 static int opt_audio_channels(const char *opt, const char *arg)
2626 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2630 static void opt_video_channel(const char *arg)
2632 video_channel = strtol(arg, NULL, 0);
2635 static void opt_video_standard(const char *arg)
2637 video_standard = av_strdup(arg);
2640 static void opt_codec(int *pstream_copy, char **pcodec_name,
2641 int codec_type, const char *arg)
2643 av_freep(pcodec_name);
2644 if (!strcmp(arg, "copy")) {
2647 *pcodec_name = av_strdup(arg);
2651 static void opt_audio_codec(const char *arg)
2653 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2656 static void opt_audio_tag(const char *arg)
2659 audio_codec_tag= strtol(arg, &tail, 0);
2662 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2665 static void opt_video_tag(const char *arg)
2668 video_codec_tag= strtol(arg, &tail, 0);
2671 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2674 static void opt_video_codec(const char *arg)
2676 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2679 static void opt_subtitle_codec(const char *arg)
2681 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2684 static void opt_map(const char *arg)
2689 m = &stream_maps[nb_stream_maps++];
2691 m->file_index = strtol(arg, &p, 0);
2695 m->stream_index = strtol(p, &p, 0);
2698 m->sync_file_index = strtol(p, &p, 0);
2701 m->sync_stream_index = strtol(p, &p, 0);
2703 m->sync_file_index = m->file_index;
2704 m->sync_stream_index = m->stream_index;
2708 static void opt_map_meta_data(const char *arg)
2713 m = &meta_data_maps[nb_meta_data_maps++];
2715 m->out_file = strtol(arg, &p, 0);
2719 m->in_file = strtol(p, &p, 0);
2722 static void opt_input_ts_scale(const char *arg)
2724 unsigned int stream;
2728 stream = strtol(arg, &p, 0);
2731 scale= strtod(p, &p);
2733 if(stream >= MAX_STREAMS)
2736 input_files_ts_scale[nb_input_files][stream]= scale;
2739 static int opt_recording_time(const char *opt, const char *arg)
2741 recording_time = parse_time_or_die(opt, arg, 1);
2745 static int opt_start_time(const char *opt, const char *arg)
2747 start_time = parse_time_or_die(opt, arg, 1);
2751 static int opt_rec_timestamp(const char *opt, const char *arg)
2753 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2757 static int opt_input_ts_offset(const char *opt, const char *arg)
2759 input_ts_offset = parse_time_or_die(opt, arg, 1);
2763 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2765 const char *codec_string = encoder ? "encoder" : "decoder";
2769 return CODEC_ID_NONE;
2771 avcodec_find_encoder_by_name(name) :
2772 avcodec_find_decoder_by_name(name);
2774 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2777 if(codec->type != type) {
2778 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2784 static void opt_input_file(const char *filename)
2786 AVFormatContext *ic;
2787 AVFormatParameters params, *ap = ¶ms;
2788 int err, i, ret, rfps, rfps_base;
2791 if (!strcmp(filename, "-"))
2794 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2795 !strcmp(filename, "/dev/stdin");
2797 /* get default parameters from command line */
2798 ic = avformat_alloc_context();
2800 memset(ap, 0, sizeof(*ap));
2801 ap->prealloced_context = 1;
2802 ap->sample_rate = audio_sample_rate;
2803 ap->channels = audio_channels;
2804 ap->time_base.den = frame_rate.num;
2805 ap->time_base.num = frame_rate.den;
2806 ap->width = frame_width + frame_padleft + frame_padright;
2807 ap->height = frame_height + frame_padtop + frame_padbottom;
2808 ap->pix_fmt = frame_pix_fmt;
2809 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2810 ap->channel = video_channel;
2811 ap->standard = video_standard;
2812 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2813 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2814 if(pgmyuv_compatibility_hack)
2815 ap->video_codec_id= CODEC_ID_PGMYUV;
2817 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2819 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2820 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2821 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2822 ic->flags |= AVFMT_FLAG_NONBLOCK;
2824 /* open the input file with generic libav function */
2825 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2827 print_error(filename, err);
2832 for(i=0; i<ic->nb_programs; i++)
2833 if(ic->programs[i]->id != opt_programid)
2834 ic->programs[i]->discard = AVDISCARD_ALL;
2837 ic->loop_input = loop_input;
2839 /* If not enough info to get the stream parameters, we decode the
2840 first frames to get it. (used in mpeg case for example) */
2841 ret = av_find_stream_info(ic);
2842 if (ret < 0 && verbose >= 0) {
2843 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2847 timestamp = start_time;
2848 /* add the stream start time */
2849 if (ic->start_time != AV_NOPTS_VALUE)
2850 timestamp += ic->start_time;
2852 /* if seeking requested, we execute it */
2853 if (start_time != 0) {
2854 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2856 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2857 filename, (double)timestamp / AV_TIME_BASE);
2859 /* reset seek info */
2863 /* update the current parameters so that they match the one of the input stream */
2864 for(i=0;i<ic->nb_streams;i++) {
2865 AVCodecContext *enc = ic->streams[i]->codec;
2867 avcodec_thread_init(enc, thread_count);
2868 enc->thread_count= thread_count;
2869 switch(enc->codec_type) {
2870 case CODEC_TYPE_AUDIO:
2871 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2872 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2873 channel_layout = enc->channel_layout;
2874 audio_channels = enc->channels;
2875 audio_sample_rate = enc->sample_rate;
2876 audio_sample_fmt = enc->sample_fmt;
2877 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2879 ic->streams[i]->discard= AVDISCARD_ALL;
2881 case CODEC_TYPE_VIDEO:
2882 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2883 frame_height = enc->height;
2884 frame_width = enc->width;
2885 if(ic->streams[i]->sample_aspect_ratio.num)
2886 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2888 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2889 frame_aspect_ratio *= (float) enc->width / enc->height;
2890 frame_pix_fmt = enc->pix_fmt;
2891 rfps = ic->streams[i]->r_frame_rate.num;
2892 rfps_base = ic->streams[i]->r_frame_rate.den;
2893 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2895 enc->debug |= FF_DEBUG_MV;
2897 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2900 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2901 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2903 (float)rfps / rfps_base, rfps, rfps_base);
2905 /* update the current frame rate to match the stream frame rate */
2906 frame_rate.num = rfps;
2907 frame_rate.den = rfps_base;
2909 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2911 ic->streams[i]->discard= AVDISCARD_ALL;
2912 else if(video_discard)
2913 ic->streams[i]->discard= video_discard;
2915 case CODEC_TYPE_DATA:
2917 case CODEC_TYPE_SUBTITLE:
2918 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2919 if(subtitle_disable)
2920 ic->streams[i]->discard = AVDISCARD_ALL;
2922 case CODEC_TYPE_ATTACHMENT:
2923 case CODEC_TYPE_UNKNOWN:
2931 input_files[nb_input_files] = ic;
2932 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2933 /* dump the file content */
2935 dump_format(ic, nb_input_files, filename, 0);
2938 file_iformat = NULL;
2939 file_oformat = NULL;
2943 av_freep(&video_codec_name);
2944 av_freep(&audio_codec_name);
2945 av_freep(&subtitle_codec_name);
2948 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2949 int *has_subtitle_ptr)
2951 int has_video, has_audio, has_subtitle, i, j;
2952 AVFormatContext *ic;
2957 for(j=0;j<nb_input_files;j++) {
2958 ic = input_files[j];
2959 for(i=0;i<ic->nb_streams;i++) {
2960 AVCodecContext *enc = ic->streams[i]->codec;
2961 switch(enc->codec_type) {
2962 case CODEC_TYPE_AUDIO:
2965 case CODEC_TYPE_VIDEO:
2968 case CODEC_TYPE_SUBTITLE:
2971 case CODEC_TYPE_DATA:
2972 case CODEC_TYPE_ATTACHMENT:
2973 case CODEC_TYPE_UNKNOWN:
2980 *has_video_ptr = has_video;
2981 *has_audio_ptr = has_audio;
2982 *has_subtitle_ptr = has_subtitle;
2985 static void new_video_stream(AVFormatContext *oc)
2988 AVCodecContext *video_enc;
2991 st = av_new_stream(oc, oc->nb_streams);
2993 fprintf(stderr, "Could not alloc stream\n");
2996 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2997 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2998 video_bitstream_filters= NULL;
3001 avcodec_thread_init(st->codec, thread_count);
3003 video_enc = st->codec;
3006 video_enc->codec_tag= video_codec_tag;
3008 if( (video_global_header&1)
3009 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3010 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3011 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3013 if(video_global_header&2){
3014 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3015 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3018 if (video_stream_copy) {
3019 st->stream_copy = 1;
3020 video_enc->codec_type = CODEC_TYPE_VIDEO;
3021 video_enc->sample_aspect_ratio =
3022 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3027 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3029 if (video_codec_name) {
3030 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3031 codec = avcodec_find_encoder_by_name(video_codec_name);
3032 output_codecs[nb_ocodecs] = codec;
3034 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3035 codec = avcodec_find_encoder(codec_id);
3038 video_enc->codec_id = codec_id;
3040 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3042 if (codec && codec->supported_framerates && !force_fps)
3043 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3044 video_enc->time_base.den = fps.num;
3045 video_enc->time_base.num = fps.den;
3047 video_enc->width = frame_width + frame_padright + frame_padleft;
3048 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3049 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3050 video_enc->pix_fmt = frame_pix_fmt;
3051 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3053 if(codec && codec->pix_fmts){
3054 const enum PixelFormat *p= codec->pix_fmts;
3056 if(*p == video_enc->pix_fmt)
3060 video_enc->pix_fmt = codec->pix_fmts[0];
3064 video_enc->gop_size = 0;
3065 if (video_qscale || same_quality) {
3066 video_enc->flags |= CODEC_FLAG_QSCALE;
3067 video_enc->global_quality=
3068 st->quality = FF_QP2LAMBDA * video_qscale;
3072 video_enc->intra_matrix = intra_matrix;
3074 video_enc->inter_matrix = inter_matrix;
3076 video_enc->thread_count = thread_count;
3077 p= video_rc_override_string;
3080 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3082 fprintf(stderr, "error parsing rc_override\n");
3085 video_enc->rc_override=
3086 av_realloc(video_enc->rc_override,
3087 sizeof(RcOverride)*(i+1));
3088 video_enc->rc_override[i].start_frame= start;
3089 video_enc->rc_override[i].end_frame = end;
3091 video_enc->rc_override[i].qscale= q;
3092 video_enc->rc_override[i].quality_factor= 1.0;
3095 video_enc->rc_override[i].qscale= 0;
3096 video_enc->rc_override[i].quality_factor= -q/100.0;
3101 video_enc->rc_override_count=i;
3102 if (!video_enc->rc_initial_buffer_occupancy)
3103 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3104 video_enc->me_threshold= me_threshold;
3105 video_enc->intra_dc_precision= intra_dc_precision - 8;
3108 video_enc->flags|= CODEC_FLAG_PSNR;
3113 video_enc->flags |= CODEC_FLAG_PASS1;
3115 video_enc->flags |= CODEC_FLAG_PASS2;
3121 /* reset some key parameters */
3123 av_freep(&video_codec_name);
3124 video_stream_copy = 0;
3127 static void new_audio_stream(AVFormatContext *oc)
3130 AVCodecContext *audio_enc;
3133 st = av_new_stream(oc, oc->nb_streams);
3135 fprintf(stderr, "Could not alloc stream\n");
3138 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3140 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3141 audio_bitstream_filters= NULL;
3144 avcodec_thread_init(st->codec, thread_count);
3146 audio_enc = st->codec;
3147 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3150 audio_enc->codec_tag= audio_codec_tag;
3152 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3153 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3154 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3156 if (audio_stream_copy) {
3157 st->stream_copy = 1;
3158 audio_enc->channels = audio_channels;
3162 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3164 if (audio_codec_name) {
3165 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3166 codec = avcodec_find_encoder_by_name(audio_codec_name);
3167 output_codecs[nb_ocodecs] = codec;
3169 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3170 codec = avcodec_find_encoder(codec_id);
3172 audio_enc->codec_id = codec_id;
3174 if (audio_qscale > QSCALE_NONE) {
3175 audio_enc->flags |= CODEC_FLAG_QSCALE;
3176 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3178 audio_enc->thread_count = thread_count;
3179 audio_enc->channels = audio_channels;
3180 audio_enc->sample_fmt = audio_sample_fmt;
3181 audio_enc->channel_layout = channel_layout;
3183 if(codec && codec->sample_fmts){
3184 const enum SampleFormat *p= codec->sample_fmts;
3186 if(*p == audio_enc->sample_fmt)
3190 audio_enc->sample_fmt = codec->sample_fmts[0];
3194 audio_enc->sample_rate = audio_sample_rate;
3195 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3196 if (audio_language) {
3197 av_metadata_set(&st->metadata, "language", audio_language);
3198 av_free(audio_language);
3199 audio_language = NULL;
3202 /* reset some key parameters */
3204 av_freep(&audio_codec_name);
3205 audio_stream_copy = 0;
3208 static void new_subtitle_stream(AVFormatContext *oc)
3211 AVCodecContext *subtitle_enc;
3213 st = av_new_stream(oc, oc->nb_streams);
3215 fprintf(stderr, "Could not alloc stream\n");
3218 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3220 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3221 subtitle_bitstream_filters= NULL;
3223 subtitle_enc = st->codec;
3224 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3225 if (subtitle_stream_copy) {
3226 st->stream_copy = 1;
3228 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3229 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3230 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3234 if (subtitle_language) {
3235 av_metadata_set(&st->metadata, "language", subtitle_language);
3236 av_free(subtitle_language);
3237 subtitle_language = NULL;
3240 subtitle_disable = 0;
3241 av_freep(&subtitle_codec_name);
3242 subtitle_stream_copy = 0;
3245 static void opt_new_audio_stream(void)
3247 AVFormatContext *oc;
3248 if (nb_output_files <= 0) {
3249 fprintf(stderr, "At least one output file must be specified\n");
3252 oc = output_files[nb_output_files - 1];
3253 new_audio_stream(oc);
3256 static void opt_new_video_stream(void)
3258 AVFormatContext *oc;
3259 if (nb_output_files <= 0) {
3260 fprintf(stderr, "At least one output file must be specified\n");
3263 oc = output_files[nb_output_files - 1];
3264 new_video_stream(oc);
3267 static void opt_new_subtitle_stream(void)
3269 AVFormatContext *oc;
3270 if (nb_output_files <= 0) {
3271 fprintf(stderr, "At least one output file must be specified\n");
3274 oc = output_files[nb_output_files - 1];
3275 new_subtitle_stream(oc);
3278 static void opt_output_file(const char *filename)
3280 AVFormatContext *oc;
3281 int use_video, use_audio, use_subtitle;
3282 int input_has_video, input_has_audio, input_has_subtitle;
3283 AVFormatParameters params, *ap = ¶ms;
3285 if (!strcmp(filename, "-"))
3288 oc = avformat_alloc_context();
3290 if (!file_oformat) {
3291 file_oformat = guess_format(NULL, filename, NULL);
3292 if (!file_oformat) {
3293 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3299 oc->oformat = file_oformat;
3300 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3302 if (!strcmp(file_oformat->name, "ffm") &&
3303 av_strstart(filename, "http:", NULL)) {
3304 /* special case for files sent to ffserver: we get the stream
3305 parameters from ffserver */
3306 int err = read_ffserver_streams(oc, filename);
3308 print_error(filename, err);
3312 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3313 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3314 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3316 /* disable if no corresponding type found and at least one
3318 if (nb_input_files > 0) {
3319 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3320 &input_has_subtitle);
3321 if (!input_has_video)
3323 if (!input_has_audio)
3325 if (!input_has_subtitle)
3329 /* manual disable */
3330 if (audio_disable) {
3333 if (video_disable) {
3336 if (subtitle_disable) {
3341 new_video_stream(oc);
3345 new_audio_stream(oc);
3349 new_subtitle_stream(oc);
3352 oc->timestamp = rec_timestamp;
3354 for(; metadata_count>0; metadata_count--){
3355 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3356 metadata[metadata_count-1].value);
3358 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3361 output_files[nb_output_files++] = oc;
3363 /* check filename in case of an image number is expected */
3364 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3365 if (!av_filename_number_test(oc->filename)) {
3366 print_error(oc->filename, AVERROR_NUMEXPECTED);
3371 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3372 /* test if it already exists to avoid loosing precious files */
3373 if (!file_overwrite &&
3374 (strchr(filename, ':') == NULL ||
3375 filename[1] == ':' ||
3376 av_strstart(filename, "file:", NULL))) {
3377 if (url_exist(filename)) {
3381 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3384 if (toupper(c) != 'Y') {
3385 fprintf(stderr, "Not overwriting - exiting\n");
3390 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3397 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3398 fprintf(stderr, "Could not open '%s'\n", filename);
3403 memset(ap, 0, sizeof(*ap));
3404 if (av_set_parameters(oc, ap) < 0) {
3405 fprintf(stderr, "%s: Invalid encoding parameters\n",
3410 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3411 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3412 oc->loop_output = loop_output;
3413 oc->flags |= AVFMT_FLAG_NONBLOCK;
3415 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3417 /* reset some options */
3418 file_oformat = NULL;
3419 file_iformat = NULL;
3422 /* same option as mencoder */
3423 static void opt_pass(const char *pass_str)
3426 pass = atoi(pass_str);
3427 if (pass != 1 && pass != 2) {
3428 fprintf(stderr, "pass number can be only 1 or 2\n");
3434 static int64_t getutime(void)
3437 struct rusage rusage;
3439 getrusage(RUSAGE_SELF, &rusage);
3440 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3441 #elif HAVE_GETPROCESSTIMES
3443 FILETIME c, e, k, u;
3444 proc = GetCurrentProcess();
3445 GetProcessTimes(proc, &c, &e, &k, &u);
3446 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3448 return av_gettime();
3452 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3455 const char *p = str;
3462 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3469 static void opt_inter_matrix(const char *arg)
3471 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3472 parse_matrix_coeffs(inter_matrix, arg);
3475 static void opt_intra_matrix(const char *arg)
3477 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3478 parse_matrix_coeffs(intra_matrix, arg);
3482 * Trivial log callback.
3483 * Only suitable for show_help and similar since it lacks prefix handling.
3485 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3487 vfprintf(stdout, fmt, vl);
3490 static void show_help(void)
3492 av_log_set_callback(log_callback_help);
3493 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3494 "Hyper fast Audio and Video encoder\n");
3496 show_help_options(options, "Main options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3498 show_help_options(options, "\nAdvanced options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3501 show_help_options(options, "\nVideo options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3504 show_help_options(options, "\nAdvanced Video options:\n",
3505 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 OPT_VIDEO | OPT_EXPERT);
3507 show_help_options(options, "\nAudio options:\n",
3508 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3510 show_help_options(options, "\nAdvanced Audio options:\n",
3511 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3512 OPT_AUDIO | OPT_EXPERT);
3513 show_help_options(options, "\nSubtitle options:\n",
3514 OPT_SUBTITLE | OPT_GRAB,
3516 show_help_options(options, "\nAudio/Video grab options:\n",
3520 av_opt_show(avcodec_opts[0], NULL);
3522 av_opt_show(avformat_opts, NULL);
3524 av_opt_show(sws_opts, NULL);
3527 static void opt_target(const char *arg)
3530 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3532 if(!strncmp(arg, "pal-", 4)) {
3535 } else if(!strncmp(arg, "ntsc-", 5)) {
3538 } else if(!strncmp(arg, "film-", 5)) {
3543 /* Calculate FR via float to avoid int overflow */
3544 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3547 } else if((fr == 29970) || (fr == 23976)) {
3550 /* Try to determine PAL/NTSC by peeking in the input files */
3551 if(nb_input_files) {
3553 for(j = 0; j < nb_input_files; j++) {
3554 for(i = 0; i < input_files[j]->nb_streams; i++) {
3555 AVCodecContext *c = input_files[j]->streams[i]->codec;
3556 if(c->codec_type != CODEC_TYPE_VIDEO)
3558 fr = c->time_base.den * 1000 / c->time_base.num;
3562 } else if((fr == 29970) || (fr == 23976)) {
3572 if(verbose && norm >= 0)
3573 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3577 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3578 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3579 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3583 if(!strcmp(arg, "vcd")) {
3585 opt_video_codec("mpeg1video");
3586 opt_audio_codec("mp2");
3589 opt_frame_size(norm ? "352x240" : "352x288");
3590 opt_frame_rate(NULL, frame_rates[norm]);
3591 opt_default("gop", norm ? "18" : "15");
3593 opt_default("b", "1150000");
3594 opt_default("maxrate", "1150000");
3595 opt_default("minrate", "1150000");
3596 opt_default("bufsize", "327680"); // 40*1024*8;
3598 opt_default("ab", "224000");
3599 audio_sample_rate = 44100;
3602 opt_default("packetsize", "2324");
3603 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3605 /* We have to offset the PTS, so that it is consistent with the SCR.
3606 SCR starts at 36000, but the first two packs contain only padding
3607 and the first pack from the other stream, respectively, may also have
3608 been written before.
3609 So the real data starts at SCR 36000+3*1200. */
3610 mux_preload= (36000+3*1200) / 90000.0; //0.44
3611 } else if(!strcmp(arg, "svcd")) {
3613 opt_video_codec("mpeg2video");
3614 opt_audio_codec("mp2");
3617 opt_frame_size(norm ? "480x480" : "480x576");
3618 opt_frame_rate(NULL, frame_rates[norm]);
3619 opt_default("gop", norm ? "18" : "15");
3621 opt_default("b", "2040000");
3622 opt_default("maxrate", "2516000");
3623 opt_default("minrate", "0"); //1145000;
3624 opt_default("bufsize", "1835008"); //224*1024*8;
3625 opt_default("flags", "+scan_offset");
3628 opt_default("ab", "224000");
3629 audio_sample_rate = 44100;
3631 opt_default("packetsize", "2324");
3633 } else if(!strcmp(arg, "dvd")) {
3635 opt_video_codec("mpeg2video");
3636 opt_audio_codec("ac3");
3639 opt_frame_size(norm ? "720x480" : "720x576");
3640 opt_frame_rate(NULL, frame_rates[norm]);
3641 opt_default("gop", norm ? "18" : "15");
3643 opt_default("b", "6000000");
3644 opt_default("maxrate", "9000000");
3645 opt_default("minrate", "0"); //1500000;
3646 opt_default("bufsize", "1835008"); //224*1024*8;
3648 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3649 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3651 opt_default("ab", "448000");
3652 audio_sample_rate = 48000;
3654 } else if(!strncmp(arg, "dv", 2)) {
3658 opt_frame_size(norm ? "720x480" : "720x576");
3659 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3660 (norm ? "yuv411p" : "yuv420p"));
3661 opt_frame_rate(NULL, frame_rates[norm]);
3663 audio_sample_rate = 48000;
3667 fprintf(stderr, "Unknown target: %s\n", arg);
3672 static void opt_vstats_file (const char *arg)
3674 av_free (vstats_filename);
3675 vstats_filename=av_strdup (arg);
3678 static void opt_vstats (void)
3681 time_t today2 = time(NULL);
3682 struct tm *today = localtime(&today2);
3684 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3686 opt_vstats_file(filename);
3689 static int opt_bsf(const char *opt, const char *arg)
3691 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3692 AVBitStreamFilterContext **bsfp;
3695 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3699 bsfp= *opt == 'v' ? &video_bitstream_filters :
3700 *opt == 'a' ? &audio_bitstream_filters :
3701 &subtitle_bitstream_filters;
3703 bsfp= &(*bsfp)->next;
3710 static int opt_preset(const char *opt, const char *arg)
3713 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3715 const char *base[2]= { getenv("HOME"),
3719 for(i=!base[0]; i<2 && !f; i++){
3720 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3721 f= fopen(filename, "r");
3723 char *codec_name= *opt == 'v' ? video_codec_name :
3724 *opt == 'a' ? audio_codec_name :
3725 subtitle_codec_name;
3726 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3727 f= fopen(filename, "r");
3730 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3732 av_strlcpy(filename, arg, sizeof(filename));
3733 f= fopen(filename, "r");
3737 fprintf(stderr, "File for preset '%s' not found\n", arg);
3742 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3743 if(line[0] == '#' && !e)
3745 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3747 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3750 if(!strcmp(tmp, "acodec")){
3751 opt_audio_codec(tmp2);
3752 }else if(!strcmp(tmp, "vcodec")){
3753 opt_video_codec(tmp2);
3754 }else if(!strcmp(tmp, "scodec")){
3755 opt_subtitle_codec(tmp2);
3756 }else if(opt_default(tmp, tmp2) < 0){
3757 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3767 static const OptionDef options[] = {
3769 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3770 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3771 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3772 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3773 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3774 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3775 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3776 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3777 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3778 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3779 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3780 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3781 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3782 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3783 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3784 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3785 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3786 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3787 "add timings for benchmarking" },
3788 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3789 "dump each input packet" },
3790 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3791 "when dumping packets, also dump the payload" },
3792 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3793 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3794 { "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)", "" },
3795 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3796 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3797 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3798 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3799 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3800 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3801 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3802 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3803 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3804 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3805 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3806 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3807 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3810 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3811 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3812 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3813 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3814 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3815 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3816 { "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" },
3817 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3818 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3819 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3820 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3821 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3822 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3823 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3824 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3825 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3826 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3827 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3828 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3829 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3830 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3831 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3832 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3833 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3834 "use same video quality as source (implies VBR)" },
3835 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3836 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3837 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3838 "deinterlace pictures" },
3839 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3840 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3841 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3842 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3843 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3844 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3845 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3846 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3847 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3848 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3849 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3852 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3853 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3854 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3855 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3856 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3857 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3858 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3859 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3860 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3861 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3862 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3863 { "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" },
3865 /* subtitle options */
3866 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3867 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3868 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3869 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3872 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3873 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3874 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3877 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3878 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3880 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3881 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3882 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3884 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3885 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3886 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3888 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3892 int main(int argc, char **argv)
3897 avcodec_register_all();
3898 avdevice_register_all();
3901 if(isatty(STDIN_FILENO))
3902 url_set_interrupt_cb(decode_interrupt_cb);
3904 for(i=0; i<CODEC_TYPE_NB; i++){
3905 avcodec_opts[i]= avcodec_alloc_context2(i);
3907 avformat_opts = avformat_alloc_context();
3908 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3913 parse_options(argc, argv, options, opt_output_file);
3915 /* file converter / grab */
3916 if (nb_output_files <= 0) {
3917 fprintf(stderr, "At least one output file must be specified\n");
3921 if (nb_input_files == 0) {
3922 fprintf(stderr, "At least one input file must be specified\n");
3927 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3928 stream_maps, nb_stream_maps) < 0)
3930 ti = getutime() - ti;
3932 printf("bench: utime=%0.3fs\n", ti / 1000000.0);