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);
2236 av_freep(&bit_buffer);
2237 av_free(file_table);
2240 for(i=0;i<nb_istreams;i++) {
2247 for(i=0;i<nb_ostreams;i++) {
2251 fclose(ost->logfile);
2252 ost->logfile = NULL;
2254 av_fifo_free(ost->fifo); /* works even if fifo is not
2255 initialized but set to zero */
2256 av_free(ost->pict_tmp.data[0]);
2257 if (ost->video_resample)
2258 sws_freeContext(ost->img_resample_ctx);
2260 audio_resample_close(ost->resample);
2261 if (ost->reformat_ctx)
2262 av_audio_convert_free(ost->reformat_ctx);
2272 int file_read(const char *filename)
2275 unsigned char buffer[1024];
2278 if (url_open(&h, filename, O_RDONLY) < 0) {
2279 printf("could not open '%s'\n", filename);
2283 len = url_read(h, buffer, sizeof(buffer));
2286 for(i=0;i<len;i++) putchar(buffer[i]);
2293 static void opt_format(const char *arg)
2295 /* compatibility stuff for pgmyuv */
2296 if (!strcmp(arg, "pgmyuv")) {
2297 pgmyuv_compatibility_hack=1;
2298 // opt_image_format(arg);
2300 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2303 file_iformat = av_find_input_format(arg);
2304 file_oformat = guess_format(arg, NULL, NULL);
2305 if (!file_iformat && !file_oformat) {
2306 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2311 static void opt_video_rc_override_string(const char *arg)
2313 video_rc_override_string = arg;
2316 static int opt_me_threshold(const char *opt, const char *arg)
2318 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2322 static int opt_verbose(const char *opt, const char *arg)
2324 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2325 av_log_set_level(verbose);
2329 static int opt_frame_rate(const char *opt, const char *arg)
2331 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2332 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2338 static int opt_bitrate(const char *opt, const char *arg)
2340 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2342 opt_default(opt, arg);
2344 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2345 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2350 static void opt_frame_crop_top(const char *arg)
2352 frame_topBand = atoi(arg);
2353 if (frame_topBand < 0) {
2354 fprintf(stderr, "Incorrect top crop size\n");
2357 if ((frame_topBand % 2) != 0) {
2358 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2361 if ((frame_topBand) >= frame_height){
2362 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2365 frame_height -= frame_topBand;
2368 static void opt_frame_crop_bottom(const char *arg)
2370 frame_bottomBand = atoi(arg);
2371 if (frame_bottomBand < 0) {
2372 fprintf(stderr, "Incorrect bottom crop size\n");
2375 if ((frame_bottomBand % 2) != 0) {
2376 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2379 if ((frame_bottomBand) >= frame_height){
2380 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2383 frame_height -= frame_bottomBand;
2386 static void opt_frame_crop_left(const char *arg)
2388 frame_leftBand = atoi(arg);
2389 if (frame_leftBand < 0) {
2390 fprintf(stderr, "Incorrect left crop size\n");
2393 if ((frame_leftBand % 2) != 0) {
2394 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2397 if ((frame_leftBand) >= frame_width){
2398 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2401 frame_width -= frame_leftBand;
2404 static void opt_frame_crop_right(const char *arg)
2406 frame_rightBand = atoi(arg);
2407 if (frame_rightBand < 0) {
2408 fprintf(stderr, "Incorrect right crop size\n");
2411 if ((frame_rightBand % 2) != 0) {
2412 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2415 if ((frame_rightBand) >= frame_width){
2416 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2419 frame_width -= frame_rightBand;
2422 static void opt_frame_size(const char *arg)
2424 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2425 fprintf(stderr, "Incorrect frame size\n");
2428 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2429 fprintf(stderr, "Frame size must be a multiple of 2\n");
2435 #define SCALEBITS 10
2436 #define ONE_HALF (1 << (SCALEBITS - 1))
2437 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2439 #define RGB_TO_Y(r, g, b) \
2440 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2441 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2443 #define RGB_TO_U(r1, g1, b1, shift)\
2444 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2445 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2447 #define RGB_TO_V(r1, g1, b1, shift)\
2448 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2449 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2451 static void opt_pad_color(const char *arg) {
2452 /* Input is expected to be six hex digits similar to
2453 how colors are expressed in html tags (but without the #) */
2454 int rgb = strtol(arg, NULL, 16);
2458 g = ((rgb >> 8) & 255);
2461 padcolor[0] = RGB_TO_Y(r,g,b);
2462 padcolor[1] = RGB_TO_U(r,g,b,0);
2463 padcolor[2] = RGB_TO_V(r,g,b,0);
2466 static void opt_frame_pad_top(const char *arg)
2468 frame_padtop = atoi(arg);
2469 if (frame_padtop < 0) {
2470 fprintf(stderr, "Incorrect top pad size\n");
2473 if ((frame_padtop % 2) != 0) {
2474 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2479 static void opt_frame_pad_bottom(const char *arg)
2481 frame_padbottom = atoi(arg);
2482 if (frame_padbottom < 0) {
2483 fprintf(stderr, "Incorrect bottom pad size\n");
2486 if ((frame_padbottom % 2) != 0) {
2487 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2493 static void opt_frame_pad_left(const char *arg)
2495 frame_padleft = atoi(arg);
2496 if (frame_padleft < 0) {
2497 fprintf(stderr, "Incorrect left pad size\n");
2500 if ((frame_padleft % 2) != 0) {
2501 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2507 static void opt_frame_pad_right(const char *arg)
2509 frame_padright = atoi(arg);
2510 if (frame_padright < 0) {
2511 fprintf(stderr, "Incorrect right pad size\n");
2514 if ((frame_padright % 2) != 0) {
2515 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2520 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2524 for (i=-1; i < nb_fmts; i++) {
2525 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2526 fprintf(stdout, "%s\n", fmt_str);
2530 static void opt_frame_pix_fmt(const char *arg)
2532 if (strcmp(arg, "list"))
2533 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2535 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2540 static void opt_frame_aspect_ratio(const char *arg)
2547 p = strchr(arg, ':');
2549 x = strtol(arg, &end, 10);
2551 y = strtol(end+1, &end, 10);
2553 ar = (double)x / (double)y;
2555 ar = strtod(arg, NULL);
2558 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2561 frame_aspect_ratio = ar;
2564 static int opt_metadata(const char *opt, const char *arg)
2566 char *mid= strchr(arg, '=');
2569 fprintf(stderr, "Missing =\n");
2575 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2576 metadata[metadata_count-1].key = av_strdup(arg);
2577 metadata[metadata_count-1].value= av_strdup(mid);
2582 static void opt_qscale(const char *arg)
2584 video_qscale = atof(arg);
2585 if (video_qscale <= 0 ||
2586 video_qscale > 255) {
2587 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2592 static void opt_top_field_first(const char *arg)
2594 top_field_first= atoi(arg);
2597 static int opt_thread_count(const char *opt, const char *arg)
2599 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2602 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2607 static void opt_audio_sample_fmt(const char *arg)
2609 if (strcmp(arg, "list"))
2610 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2612 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2617 static int opt_audio_rate(const char *opt, const char *arg)
2619 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2623 static int opt_audio_channels(const char *opt, const char *arg)
2625 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2629 static void opt_video_channel(const char *arg)
2631 video_channel = strtol(arg, NULL, 0);
2634 static void opt_video_standard(const char *arg)
2636 video_standard = av_strdup(arg);
2639 static void opt_codec(int *pstream_copy, char **pcodec_name,
2640 int codec_type, const char *arg)
2642 av_freep(pcodec_name);
2643 if (!strcmp(arg, "copy")) {
2646 *pcodec_name = av_strdup(arg);
2650 static void opt_audio_codec(const char *arg)
2652 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2655 static void opt_audio_tag(const char *arg)
2658 audio_codec_tag= strtol(arg, &tail, 0);
2661 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2664 static void opt_video_tag(const char *arg)
2667 video_codec_tag= strtol(arg, &tail, 0);
2670 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2673 static void opt_video_codec(const char *arg)
2675 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2678 static void opt_subtitle_codec(const char *arg)
2680 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2683 static void opt_map(const char *arg)
2688 m = &stream_maps[nb_stream_maps++];
2690 m->file_index = strtol(arg, &p, 0);
2694 m->stream_index = strtol(p, &p, 0);
2697 m->sync_file_index = strtol(p, &p, 0);
2700 m->sync_stream_index = strtol(p, &p, 0);
2702 m->sync_file_index = m->file_index;
2703 m->sync_stream_index = m->stream_index;
2707 static void opt_map_meta_data(const char *arg)
2712 m = &meta_data_maps[nb_meta_data_maps++];
2714 m->out_file = strtol(arg, &p, 0);
2718 m->in_file = strtol(p, &p, 0);
2721 static void opt_input_ts_scale(const char *arg)
2723 unsigned int stream;
2727 stream = strtol(arg, &p, 0);
2730 scale= strtod(p, &p);
2732 if(stream >= MAX_STREAMS)
2735 input_files_ts_scale[nb_input_files][stream]= scale;
2738 static int opt_recording_time(const char *opt, const char *arg)
2740 recording_time = parse_time_or_die(opt, arg, 1);
2744 static int opt_start_time(const char *opt, const char *arg)
2746 start_time = parse_time_or_die(opt, arg, 1);
2750 static int opt_rec_timestamp(const char *opt, const char *arg)
2752 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2756 static int opt_input_ts_offset(const char *opt, const char *arg)
2758 input_ts_offset = parse_time_or_die(opt, arg, 1);
2762 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2764 const char *codec_string = encoder ? "encoder" : "decoder";
2768 return CODEC_ID_NONE;
2770 avcodec_find_encoder_by_name(name) :
2771 avcodec_find_decoder_by_name(name);
2773 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2776 if(codec->type != type) {
2777 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2783 static void opt_input_file(const char *filename)
2785 AVFormatContext *ic;
2786 AVFormatParameters params, *ap = ¶ms;
2787 int err, i, ret, rfps, rfps_base;
2790 if (!strcmp(filename, "-"))
2793 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2794 !strcmp(filename, "/dev/stdin");
2796 /* get default parameters from command line */
2797 ic = avformat_alloc_context();
2799 memset(ap, 0, sizeof(*ap));
2800 ap->prealloced_context = 1;
2801 ap->sample_rate = audio_sample_rate;
2802 ap->channels = audio_channels;
2803 ap->time_base.den = frame_rate.num;
2804 ap->time_base.num = frame_rate.den;
2805 ap->width = frame_width + frame_padleft + frame_padright;
2806 ap->height = frame_height + frame_padtop + frame_padbottom;
2807 ap->pix_fmt = frame_pix_fmt;
2808 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2809 ap->channel = video_channel;
2810 ap->standard = video_standard;
2811 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2812 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2813 if(pgmyuv_compatibility_hack)
2814 ap->video_codec_id= CODEC_ID_PGMYUV;
2816 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2818 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2819 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2820 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2821 ic->flags |= AVFMT_FLAG_NONBLOCK;
2823 /* open the input file with generic libav function */
2824 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2826 print_error(filename, err);
2831 for(i=0; i<ic->nb_programs; i++)
2832 if(ic->programs[i]->id != opt_programid)
2833 ic->programs[i]->discard = AVDISCARD_ALL;
2836 ic->loop_input = loop_input;
2838 /* If not enough info to get the stream parameters, we decode the
2839 first frames to get it. (used in mpeg case for example) */
2840 ret = av_find_stream_info(ic);
2841 if (ret < 0 && verbose >= 0) {
2842 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2846 timestamp = start_time;
2847 /* add the stream start time */
2848 if (ic->start_time != AV_NOPTS_VALUE)
2849 timestamp += ic->start_time;
2851 /* if seeking requested, we execute it */
2852 if (start_time != 0) {
2853 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2855 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2856 filename, (double)timestamp / AV_TIME_BASE);
2858 /* reset seek info */
2862 /* update the current parameters so that they match the one of the input stream */
2863 for(i=0;i<ic->nb_streams;i++) {
2864 AVCodecContext *enc = ic->streams[i]->codec;
2866 avcodec_thread_init(enc, thread_count);
2867 enc->thread_count= thread_count;
2868 switch(enc->codec_type) {
2869 case CODEC_TYPE_AUDIO:
2870 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2871 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2872 channel_layout = enc->channel_layout;
2873 audio_channels = enc->channels;
2874 audio_sample_rate = enc->sample_rate;
2875 audio_sample_fmt = enc->sample_fmt;
2876 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2878 ic->streams[i]->discard= AVDISCARD_ALL;
2880 case CODEC_TYPE_VIDEO:
2881 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2882 frame_height = enc->height;
2883 frame_width = enc->width;
2884 if(ic->streams[i]->sample_aspect_ratio.num)
2885 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2887 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2888 frame_aspect_ratio *= (float) enc->width / enc->height;
2889 frame_pix_fmt = enc->pix_fmt;
2890 rfps = ic->streams[i]->r_frame_rate.num;
2891 rfps_base = ic->streams[i]->r_frame_rate.den;
2892 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2894 enc->debug |= FF_DEBUG_MV;
2896 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2899 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2900 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2902 (float)rfps / rfps_base, rfps, rfps_base);
2904 /* update the current frame rate to match the stream frame rate */
2905 frame_rate.num = rfps;
2906 frame_rate.den = rfps_base;
2908 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2910 ic->streams[i]->discard= AVDISCARD_ALL;
2911 else if(video_discard)
2912 ic->streams[i]->discard= video_discard;
2914 case CODEC_TYPE_DATA:
2916 case CODEC_TYPE_SUBTITLE:
2917 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2918 if(subtitle_disable)
2919 ic->streams[i]->discard = AVDISCARD_ALL;
2921 case CODEC_TYPE_ATTACHMENT:
2922 case CODEC_TYPE_UNKNOWN:
2930 input_files[nb_input_files] = ic;
2931 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2932 /* dump the file content */
2934 dump_format(ic, nb_input_files, filename, 0);
2937 file_iformat = NULL;
2938 file_oformat = NULL;
2942 av_freep(&video_codec_name);
2943 av_freep(&audio_codec_name);
2944 av_freep(&subtitle_codec_name);
2947 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2948 int *has_subtitle_ptr)
2950 int has_video, has_audio, has_subtitle, i, j;
2951 AVFormatContext *ic;
2956 for(j=0;j<nb_input_files;j++) {
2957 ic = input_files[j];
2958 for(i=0;i<ic->nb_streams;i++) {
2959 AVCodecContext *enc = ic->streams[i]->codec;
2960 switch(enc->codec_type) {
2961 case CODEC_TYPE_AUDIO:
2964 case CODEC_TYPE_VIDEO:
2967 case CODEC_TYPE_SUBTITLE:
2970 case CODEC_TYPE_DATA:
2971 case CODEC_TYPE_ATTACHMENT:
2972 case CODEC_TYPE_UNKNOWN:
2979 *has_video_ptr = has_video;
2980 *has_audio_ptr = has_audio;
2981 *has_subtitle_ptr = has_subtitle;
2984 static void new_video_stream(AVFormatContext *oc)
2987 AVCodecContext *video_enc;
2990 st = av_new_stream(oc, oc->nb_streams);
2992 fprintf(stderr, "Could not alloc stream\n");
2995 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2996 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2997 video_bitstream_filters= NULL;
3000 avcodec_thread_init(st->codec, thread_count);
3002 video_enc = st->codec;
3005 video_enc->codec_tag= video_codec_tag;
3007 if( (video_global_header&1)
3008 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3009 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3010 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3012 if(video_global_header&2){
3013 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3014 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3017 if (video_stream_copy) {
3018 st->stream_copy = 1;
3019 video_enc->codec_type = CODEC_TYPE_VIDEO;
3020 video_enc->sample_aspect_ratio =
3021 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3026 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3028 if (video_codec_name) {
3029 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3030 codec = avcodec_find_encoder_by_name(video_codec_name);
3031 output_codecs[nb_ocodecs] = codec;
3033 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3034 codec = avcodec_find_encoder(codec_id);
3037 video_enc->codec_id = codec_id;
3039 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3041 if (codec && codec->supported_framerates && !force_fps)
3042 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3043 video_enc->time_base.den = fps.num;
3044 video_enc->time_base.num = fps.den;
3046 video_enc->width = frame_width + frame_padright + frame_padleft;
3047 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3048 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3049 video_enc->pix_fmt = frame_pix_fmt;
3050 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3052 if(codec && codec->pix_fmts){
3053 const enum PixelFormat *p= codec->pix_fmts;
3055 if(*p == video_enc->pix_fmt)
3059 video_enc->pix_fmt = codec->pix_fmts[0];
3063 video_enc->gop_size = 0;
3064 if (video_qscale || same_quality) {
3065 video_enc->flags |= CODEC_FLAG_QSCALE;
3066 video_enc->global_quality=
3067 st->quality = FF_QP2LAMBDA * video_qscale;
3071 video_enc->intra_matrix = intra_matrix;
3073 video_enc->inter_matrix = inter_matrix;
3075 video_enc->thread_count = thread_count;
3076 p= video_rc_override_string;
3079 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3081 fprintf(stderr, "error parsing rc_override\n");
3084 video_enc->rc_override=
3085 av_realloc(video_enc->rc_override,
3086 sizeof(RcOverride)*(i+1));
3087 video_enc->rc_override[i].start_frame= start;
3088 video_enc->rc_override[i].end_frame = end;
3090 video_enc->rc_override[i].qscale= q;
3091 video_enc->rc_override[i].quality_factor= 1.0;
3094 video_enc->rc_override[i].qscale= 0;
3095 video_enc->rc_override[i].quality_factor= -q/100.0;
3100 video_enc->rc_override_count=i;
3101 if (!video_enc->rc_initial_buffer_occupancy)
3102 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3103 video_enc->me_threshold= me_threshold;
3104 video_enc->intra_dc_precision= intra_dc_precision - 8;
3107 video_enc->flags|= CODEC_FLAG_PSNR;
3112 video_enc->flags |= CODEC_FLAG_PASS1;
3114 video_enc->flags |= CODEC_FLAG_PASS2;
3120 /* reset some key parameters */
3122 av_freep(&video_codec_name);
3123 video_stream_copy = 0;
3126 static void new_audio_stream(AVFormatContext *oc)
3129 AVCodecContext *audio_enc;
3132 st = av_new_stream(oc, oc->nb_streams);
3134 fprintf(stderr, "Could not alloc stream\n");
3137 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3139 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3140 audio_bitstream_filters= NULL;
3143 avcodec_thread_init(st->codec, thread_count);
3145 audio_enc = st->codec;
3146 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3149 audio_enc->codec_tag= audio_codec_tag;
3151 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3152 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3153 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3155 if (audio_stream_copy) {
3156 st->stream_copy = 1;
3157 audio_enc->channels = audio_channels;
3161 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3163 if (audio_codec_name) {
3164 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3165 codec = avcodec_find_encoder_by_name(audio_codec_name);
3166 output_codecs[nb_ocodecs] = codec;
3168 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3169 codec = avcodec_find_encoder(codec_id);
3171 audio_enc->codec_id = codec_id;
3173 if (audio_qscale > QSCALE_NONE) {
3174 audio_enc->flags |= CODEC_FLAG_QSCALE;
3175 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3177 audio_enc->thread_count = thread_count;
3178 audio_enc->channels = audio_channels;
3179 audio_enc->sample_fmt = audio_sample_fmt;
3180 audio_enc->channel_layout = channel_layout;
3182 if(codec && codec->sample_fmts){
3183 const enum SampleFormat *p= codec->sample_fmts;
3185 if(*p == audio_enc->sample_fmt)
3189 audio_enc->sample_fmt = codec->sample_fmts[0];
3193 audio_enc->sample_rate = audio_sample_rate;
3194 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3195 if (audio_language) {
3196 av_metadata_set(&st->metadata, "language", audio_language);
3197 av_free(audio_language);
3198 audio_language = NULL;
3201 /* reset some key parameters */
3203 av_freep(&audio_codec_name);
3204 audio_stream_copy = 0;
3207 static void new_subtitle_stream(AVFormatContext *oc)
3210 AVCodecContext *subtitle_enc;
3212 st = av_new_stream(oc, oc->nb_streams);
3214 fprintf(stderr, "Could not alloc stream\n");
3217 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3219 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3220 subtitle_bitstream_filters= NULL;
3222 subtitle_enc = st->codec;
3223 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3224 if (subtitle_stream_copy) {
3225 st->stream_copy = 1;
3227 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3228 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3229 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3233 if (subtitle_language) {
3234 av_metadata_set(&st->metadata, "language", subtitle_language);
3235 av_free(subtitle_language);
3236 subtitle_language = NULL;
3239 subtitle_disable = 0;
3240 av_freep(&subtitle_codec_name);
3241 subtitle_stream_copy = 0;
3244 static void opt_new_audio_stream(void)
3246 AVFormatContext *oc;
3247 if (nb_output_files <= 0) {
3248 fprintf(stderr, "At least one output file must be specified\n");
3251 oc = output_files[nb_output_files - 1];
3252 new_audio_stream(oc);
3255 static void opt_new_video_stream(void)
3257 AVFormatContext *oc;
3258 if (nb_output_files <= 0) {
3259 fprintf(stderr, "At least one output file must be specified\n");
3262 oc = output_files[nb_output_files - 1];
3263 new_video_stream(oc);
3266 static void opt_new_subtitle_stream(void)
3268 AVFormatContext *oc;
3269 if (nb_output_files <= 0) {
3270 fprintf(stderr, "At least one output file must be specified\n");
3273 oc = output_files[nb_output_files - 1];
3274 new_subtitle_stream(oc);
3277 static void opt_output_file(const char *filename)
3279 AVFormatContext *oc;
3280 int use_video, use_audio, use_subtitle;
3281 int input_has_video, input_has_audio, input_has_subtitle;
3282 AVFormatParameters params, *ap = ¶ms;
3284 if (!strcmp(filename, "-"))
3287 oc = avformat_alloc_context();
3289 if (!file_oformat) {
3290 file_oformat = guess_format(NULL, filename, NULL);
3291 if (!file_oformat) {
3292 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3298 oc->oformat = file_oformat;
3299 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3301 if (!strcmp(file_oformat->name, "ffm") &&
3302 av_strstart(filename, "http:", NULL)) {
3303 /* special case for files sent to ffserver: we get the stream
3304 parameters from ffserver */
3305 int err = read_ffserver_streams(oc, filename);
3307 print_error(filename, err);
3311 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3312 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3313 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3315 /* disable if no corresponding type found and at least one
3317 if (nb_input_files > 0) {
3318 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3319 &input_has_subtitle);
3320 if (!input_has_video)
3322 if (!input_has_audio)
3324 if (!input_has_subtitle)
3328 /* manual disable */
3329 if (audio_disable) {
3332 if (video_disable) {
3335 if (subtitle_disable) {
3340 new_video_stream(oc);
3344 new_audio_stream(oc);
3348 new_subtitle_stream(oc);
3351 oc->timestamp = rec_timestamp;
3353 for(; metadata_count>0; metadata_count--){
3354 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3355 metadata[metadata_count-1].value);
3357 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3360 output_files[nb_output_files++] = oc;
3362 /* check filename in case of an image number is expected */
3363 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3364 if (!av_filename_number_test(oc->filename)) {
3365 print_error(oc->filename, AVERROR_NUMEXPECTED);
3370 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3371 /* test if it already exists to avoid loosing precious files */
3372 if (!file_overwrite &&
3373 (strchr(filename, ':') == NULL ||
3374 filename[1] == ':' ||
3375 av_strstart(filename, "file:", NULL))) {
3376 if (url_exist(filename)) {
3380 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3383 if (toupper(c) != 'Y') {
3384 fprintf(stderr, "Not overwriting - exiting\n");
3389 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3396 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3397 fprintf(stderr, "Could not open '%s'\n", filename);
3402 memset(ap, 0, sizeof(*ap));
3403 if (av_set_parameters(oc, ap) < 0) {
3404 fprintf(stderr, "%s: Invalid encoding parameters\n",
3409 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3410 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3411 oc->loop_output = loop_output;
3412 oc->flags |= AVFMT_FLAG_NONBLOCK;
3414 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3416 /* reset some options */
3417 file_oformat = NULL;
3418 file_iformat = NULL;
3421 /* same option as mencoder */
3422 static void opt_pass(const char *pass_str)
3425 pass = atoi(pass_str);
3426 if (pass != 1 && pass != 2) {
3427 fprintf(stderr, "pass number can be only 1 or 2\n");
3433 static int64_t getutime(void)
3436 struct rusage rusage;
3438 getrusage(RUSAGE_SELF, &rusage);
3439 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3440 #elif HAVE_GETPROCESSTIMES
3442 FILETIME c, e, k, u;
3443 proc = GetCurrentProcess();
3444 GetProcessTimes(proc, &c, &e, &k, &u);
3445 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3447 return av_gettime();
3451 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3454 const char *p = str;
3461 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3468 static void opt_inter_matrix(const char *arg)
3470 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3471 parse_matrix_coeffs(inter_matrix, arg);
3474 static void opt_intra_matrix(const char *arg)
3476 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3477 parse_matrix_coeffs(intra_matrix, arg);
3481 * Trivial log callback.
3482 * Only suitable for show_help and similar since it lacks prefix handling.
3484 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3486 vfprintf(stdout, fmt, vl);
3489 static void show_help(void)
3491 av_log_set_callback(log_callback_help);
3492 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3493 "Hyper fast Audio and Video encoder\n");
3495 show_help_options(options, "Main options:\n",
3496 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3497 show_help_options(options, "\nAdvanced options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3500 show_help_options(options, "\nVideo options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 show_help_options(options, "\nAdvanced Video options:\n",
3504 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 OPT_VIDEO | OPT_EXPERT);
3506 show_help_options(options, "\nAudio options:\n",
3507 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3509 show_help_options(options, "\nAdvanced Audio options:\n",
3510 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3511 OPT_AUDIO | OPT_EXPERT);
3512 show_help_options(options, "\nSubtitle options:\n",
3513 OPT_SUBTITLE | OPT_GRAB,
3515 show_help_options(options, "\nAudio/Video grab options:\n",
3519 av_opt_show(avcodec_opts[0], NULL);
3521 av_opt_show(avformat_opts, NULL);
3523 av_opt_show(sws_opts, NULL);
3526 static void opt_target(const char *arg)
3529 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3531 if(!strncmp(arg, "pal-", 4)) {
3534 } else if(!strncmp(arg, "ntsc-", 5)) {
3537 } else if(!strncmp(arg, "film-", 5)) {
3542 /* Calculate FR via float to avoid int overflow */
3543 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3546 } else if((fr == 29970) || (fr == 23976)) {
3549 /* Try to determine PAL/NTSC by peeking in the input files */
3550 if(nb_input_files) {
3552 for(j = 0; j < nb_input_files; j++) {
3553 for(i = 0; i < input_files[j]->nb_streams; i++) {
3554 AVCodecContext *c = input_files[j]->streams[i]->codec;
3555 if(c->codec_type != CODEC_TYPE_VIDEO)
3557 fr = c->time_base.den * 1000 / c->time_base.num;
3561 } else if((fr == 29970) || (fr == 23976)) {
3571 if(verbose && norm >= 0)
3572 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3576 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3577 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3578 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3582 if(!strcmp(arg, "vcd")) {
3584 opt_video_codec("mpeg1video");
3585 opt_audio_codec("mp2");
3588 opt_frame_size(norm ? "352x240" : "352x288");
3589 opt_frame_rate(NULL, frame_rates[norm]);
3590 opt_default("gop", norm ? "18" : "15");
3592 opt_default("b", "1150000");
3593 opt_default("maxrate", "1150000");
3594 opt_default("minrate", "1150000");
3595 opt_default("bufsize", "327680"); // 40*1024*8;
3597 opt_default("ab", "224000");
3598 audio_sample_rate = 44100;
3601 opt_default("packetsize", "2324");
3602 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3604 /* We have to offset the PTS, so that it is consistent with the SCR.
3605 SCR starts at 36000, but the first two packs contain only padding
3606 and the first pack from the other stream, respectively, may also have
3607 been written before.
3608 So the real data starts at SCR 36000+3*1200. */
3609 mux_preload= (36000+3*1200) / 90000.0; //0.44
3610 } else if(!strcmp(arg, "svcd")) {
3612 opt_video_codec("mpeg2video");
3613 opt_audio_codec("mp2");
3616 opt_frame_size(norm ? "480x480" : "480x576");
3617 opt_frame_rate(NULL, frame_rates[norm]);
3618 opt_default("gop", norm ? "18" : "15");
3620 opt_default("b", "2040000");
3621 opt_default("maxrate", "2516000");
3622 opt_default("minrate", "0"); //1145000;
3623 opt_default("bufsize", "1835008"); //224*1024*8;
3624 opt_default("flags", "+scan_offset");
3627 opt_default("ab", "224000");
3628 audio_sample_rate = 44100;
3630 opt_default("packetsize", "2324");
3632 } else if(!strcmp(arg, "dvd")) {
3634 opt_video_codec("mpeg2video");
3635 opt_audio_codec("ac3");
3638 opt_frame_size(norm ? "720x480" : "720x576");
3639 opt_frame_rate(NULL, frame_rates[norm]);
3640 opt_default("gop", norm ? "18" : "15");
3642 opt_default("b", "6000000");
3643 opt_default("maxrate", "9000000");
3644 opt_default("minrate", "0"); //1500000;
3645 opt_default("bufsize", "1835008"); //224*1024*8;
3647 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3648 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3650 opt_default("ab", "448000");
3651 audio_sample_rate = 48000;
3653 } else if(!strncmp(arg, "dv", 2)) {
3657 opt_frame_size(norm ? "720x480" : "720x576");
3658 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3659 (norm ? "yuv411p" : "yuv420p"));
3660 opt_frame_rate(NULL, frame_rates[norm]);
3662 audio_sample_rate = 48000;
3666 fprintf(stderr, "Unknown target: %s\n", arg);
3671 static void opt_vstats_file (const char *arg)
3673 av_free (vstats_filename);
3674 vstats_filename=av_strdup (arg);
3677 static void opt_vstats (void)
3680 time_t today2 = time(NULL);
3681 struct tm *today = localtime(&today2);
3683 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3685 opt_vstats_file(filename);
3688 static int opt_bsf(const char *opt, const char *arg)
3690 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3691 AVBitStreamFilterContext **bsfp;
3694 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3698 bsfp= *opt == 'v' ? &video_bitstream_filters :
3699 *opt == 'a' ? &audio_bitstream_filters :
3700 &subtitle_bitstream_filters;
3702 bsfp= &(*bsfp)->next;
3709 static int opt_preset(const char *opt, const char *arg)
3712 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3714 const char *base[2]= { getenv("HOME"),
3718 for(i=!base[0]; i<2 && !f; i++){
3719 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3720 f= fopen(filename, "r");
3722 char *codec_name= *opt == 'v' ? video_codec_name :
3723 *opt == 'a' ? audio_codec_name :
3724 subtitle_codec_name;
3725 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3726 f= fopen(filename, "r");
3729 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3731 av_strlcpy(filename, arg, sizeof(filename));
3732 f= fopen(filename, "r");
3736 fprintf(stderr, "File for preset '%s' not found\n", arg);
3741 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3742 if(line[0] == '#' && !e)
3744 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3746 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3749 if(!strcmp(tmp, "acodec")){
3750 opt_audio_codec(tmp2);
3751 }else if(!strcmp(tmp, "vcodec")){
3752 opt_video_codec(tmp2);
3753 }else if(!strcmp(tmp, "scodec")){
3754 opt_subtitle_codec(tmp2);
3755 }else if(opt_default(tmp, tmp2) < 0){
3756 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3766 static const OptionDef options[] = {
3768 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3769 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3770 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3771 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3772 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3773 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3774 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3775 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3776 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3777 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3778 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3779 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3780 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3781 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3782 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3783 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3784 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3785 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3786 "add timings for benchmarking" },
3787 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3788 "dump each input packet" },
3789 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3790 "when dumping packets, also dump the payload" },
3791 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3792 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3793 { "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)", "" },
3794 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3795 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3796 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3797 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3798 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3799 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3800 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3801 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3802 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3803 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3804 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3805 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3806 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3809 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3810 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3811 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3812 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3813 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3814 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3815 { "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" },
3816 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3817 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3818 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3819 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3820 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3821 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3822 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3823 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3824 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3825 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3826 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3827 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3828 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3829 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3830 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3831 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3832 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3833 "use same video quality as source (implies VBR)" },
3834 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3835 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3836 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3837 "deinterlace pictures" },
3838 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3839 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3840 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3841 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3842 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3843 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3844 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3845 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3846 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3847 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3848 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3851 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3852 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3853 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3854 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3855 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3856 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3857 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3858 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3859 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3860 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3861 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3862 { "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" },
3864 /* subtitle options */
3865 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3866 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3867 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3868 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3871 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3872 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3873 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3876 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3877 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3879 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3880 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3881 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3883 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3884 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3885 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3887 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3891 int main(int argc, char **argv)
3896 avcodec_register_all();
3897 avdevice_register_all();
3900 if(isatty(STDIN_FILENO))
3901 url_set_interrupt_cb(decode_interrupt_cb);
3903 for(i=0; i<CODEC_TYPE_NB; i++){
3904 avcodec_opts[i]= avcodec_alloc_context2(i);
3906 avformat_opts = avformat_alloc_context();
3907 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3912 parse_options(argc, argv, options, opt_output_file);
3914 /* file converter / grab */
3915 if (nb_output_files <= 0) {
3916 fprintf(stderr, "At least one output file must be specified\n");
3920 if (nb_input_files == 0) {
3921 fprintf(stderr, "At least one input file must be specified\n");
3926 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3927 stream_maps, nb_stream_maps) < 0)
3929 ti = getutime() - ti;
3931 printf("bench: utime=%0.3fs\n", ti / 1000000.0);