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, frame_bytes, NULL, audio_buf);
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, fifo_bytes, NULL, samples);
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, 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;
1556 uint8_t no_packet[MAX_FILES]={0};
1557 int no_packet_count=0;
1559 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1563 /* input stream init */
1565 for(i=0;i<nb_input_files;i++) {
1566 is = input_files[i];
1567 file_table[i].ist_index = j;
1568 file_table[i].nb_streams = is->nb_streams;
1569 j += is->nb_streams;
1573 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1577 for(i=0;i<nb_istreams;i++) {
1578 ist = av_mallocz(sizeof(AVInputStream));
1584 for(i=0;i<nb_input_files;i++) {
1585 is = input_files[i];
1586 for(k=0;k<is->nb_streams;k++) {
1587 ist = ist_table[j++];
1588 ist->st = is->streams[k];
1589 ist->file_index = i;
1591 ist->discard = 1; /* the stream is discarded by default
1595 ist->start = av_gettime();
1600 /* output stream init */
1602 for(i=0;i<nb_output_files;i++) {
1603 os = output_files[i];
1604 if (!os->nb_streams) {
1605 dump_format(output_files[i], i, output_files[i]->filename, 1);
1606 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1609 nb_ostreams += os->nb_streams;
1611 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1612 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1616 /* Sanity check the mapping args -- do the input files & streams exist? */
1617 for(i=0;i<nb_stream_maps;i++) {
1618 int fi = stream_maps[i].file_index;
1619 int si = stream_maps[i].stream_index;
1621 if (fi < 0 || fi > nb_input_files - 1 ||
1622 si < 0 || si > file_table[fi].nb_streams - 1) {
1623 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1626 fi = stream_maps[i].sync_file_index;
1627 si = stream_maps[i].sync_stream_index;
1628 if (fi < 0 || fi > nb_input_files - 1 ||
1629 si < 0 || si > file_table[fi].nb_streams - 1) {
1630 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1635 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1638 for(i=0;i<nb_ostreams;i++) {
1639 ost = av_mallocz(sizeof(AVOutputStream));
1646 for(k=0;k<nb_output_files;k++) {
1647 os = output_files[k];
1648 for(i=0;i<os->nb_streams;i++,n++) {
1651 ost->file_index = k;
1653 ost->st = os->streams[i];
1654 if (nb_stream_maps > 0) {
1655 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1656 stream_maps[n].stream_index;
1658 /* Sanity check that the stream types match */
1659 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1660 int i= ost->file_index;
1661 dump_format(output_files[i], i, output_files[i]->filename, 1);
1662 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1663 stream_maps[n].file_index, stream_maps[n].stream_index,
1664 ost->file_index, ost->index);
1671 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1673 ost->source_index = j;
1677 /* get corresponding input stream index : we select the first one with the right type */
1679 for(j=0;j<nb_istreams;j++) {
1682 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1683 ost->source_index = j;
1691 if(! opt_programid) {
1692 /* try again and reuse existing stream */
1693 for(j=0;j<nb_istreams;j++) {
1695 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1696 ost->source_index = j;
1702 int i= ost->file_index;
1703 dump_format(output_files[i], i, output_files[i]->filename, 1);
1704 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1705 ost->file_index, ost->index);
1710 ist = ist_table[ost->source_index];
1712 ost->sync_ist = (nb_stream_maps > 0) ?
1713 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1714 stream_maps[n].sync_stream_index] : ist;
1718 /* for each output stream, we compute the right encoding parameters */
1719 for(i=0;i<nb_ostreams;i++) {
1720 AVMetadataTag *lang;
1722 os = output_files[ost->file_index];
1723 ist = ist_table[ost->source_index];
1725 codec = ost->st->codec;
1726 icodec = ist->st->codec;
1728 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1729 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1730 av_metadata_set(&ost->st->metadata, "language", lang->value);
1732 ost->st->disposition = ist->st->disposition;
1734 if (ost->st->stream_copy) {
1735 /* if stream_copy is selected, no need to decode or encode */
1736 codec->codec_id = icodec->codec_id;
1737 codec->codec_type = icodec->codec_type;
1739 if(!codec->codec_tag){
1740 if( !os->oformat->codec_tag
1741 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1742 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1743 codec->codec_tag = icodec->codec_tag;
1746 codec->bit_rate = icodec->bit_rate;
1747 codec->extradata= icodec->extradata;
1748 codec->extradata_size= icodec->extradata_size;
1749 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){
1750 codec->time_base = icodec->time_base;
1751 codec->time_base.num *= icodec->ticks_per_frame;
1753 codec->time_base = ist->st->time_base;
1754 switch(codec->codec_type) {
1755 case CODEC_TYPE_AUDIO:
1756 if(audio_volume != 256) {
1757 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1760 codec->channel_layout = icodec->channel_layout;
1761 codec->sample_rate = icodec->sample_rate;
1762 codec->channels = icodec->channels;
1763 codec->frame_size = icodec->frame_size;
1764 codec->block_align= icodec->block_align;
1765 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1766 codec->block_align= 0;
1767 if(codec->codec_id == CODEC_ID_AC3)
1768 codec->block_align= 0;
1770 case CODEC_TYPE_VIDEO:
1771 codec->pix_fmt = icodec->pix_fmt;
1772 codec->width = icodec->width;
1773 codec->height = icodec->height;
1774 codec->has_b_frames = icodec->has_b_frames;
1776 case CODEC_TYPE_SUBTITLE:
1777 codec->width = icodec->width;
1778 codec->height = icodec->height;
1784 switch(codec->codec_type) {
1785 case CODEC_TYPE_AUDIO:
1786 ost->fifo= av_fifo_alloc(1024);
1789 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1790 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1791 icodec->request_channels = codec->channels;
1792 ist->decoding_needed = 1;
1793 ost->encoding_needed = 1;
1795 case CODEC_TYPE_VIDEO:
1796 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1797 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1798 ost->video_resample = ((codec->width != icodec->width -
1799 (frame_leftBand + frame_rightBand) +
1800 (frame_padleft + frame_padright)) ||
1801 (codec->height != icodec->height -
1802 (frame_topBand + frame_bottomBand) +
1803 (frame_padtop + frame_padbottom)) ||
1804 (codec->pix_fmt != icodec->pix_fmt));
1805 if (ost->video_crop) {
1806 ost->topBand = frame_topBand;
1807 ost->leftBand = frame_leftBand;
1809 if (ost->video_pad) {
1810 ost->padtop = frame_padtop;
1811 ost->padleft = frame_padleft;
1812 ost->padbottom = frame_padbottom;
1813 ost->padright = frame_padright;
1814 if (!ost->video_resample) {
1815 avcodec_get_frame_defaults(&ost->pict_tmp);
1816 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1817 codec->width, codec->height))
1821 if (ost->video_resample) {
1822 avcodec_get_frame_defaults(&ost->pict_tmp);
1823 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1824 codec->width, codec->height)) {
1825 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1828 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1829 ost->img_resample_ctx = sws_getContext(
1830 icodec->width - (frame_leftBand + frame_rightBand),
1831 icodec->height - (frame_topBand + frame_bottomBand),
1833 codec->width - (frame_padleft + frame_padright),
1834 codec->height - (frame_padtop + frame_padbottom),
1836 sws_flags, NULL, NULL, NULL);
1837 if (ost->img_resample_ctx == NULL) {
1838 fprintf(stderr, "Cannot get resampling context\n");
1841 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1843 ost->encoding_needed = 1;
1844 ist->decoding_needed = 1;
1846 case CODEC_TYPE_SUBTITLE:
1847 ost->encoding_needed = 1;
1848 ist->decoding_needed = 1;
1855 if (ost->encoding_needed &&
1856 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1857 char logfilename[1024];
1862 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1863 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1865 if (codec->flags & CODEC_FLAG_PASS1) {
1866 f = fopen(logfilename, "w");
1868 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1873 /* read the log file */
1874 f = fopen(logfilename, "r");
1876 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1879 fseek(f, 0, SEEK_END);
1881 fseek(f, 0, SEEK_SET);
1882 logbuffer = av_malloc(size + 1);
1884 fprintf(stderr, "Could not allocate log buffer\n");
1887 size = fread(logbuffer, 1, size, f);
1889 logbuffer[size] = '\0';
1890 codec->stats_in = logbuffer;
1894 if(codec->codec_type == CODEC_TYPE_VIDEO){
1895 int size= codec->width * codec->height;
1896 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1901 bit_buffer = av_malloc(bit_buffer_size);
1905 /* dump the file output parameters - cannot be done before in case
1907 for(i=0;i<nb_output_files;i++) {
1908 dump_format(output_files[i], i, output_files[i]->filename, 1);
1911 /* dump the stream mapping */
1913 fprintf(stderr, "Stream mapping:\n");
1914 for(i=0;i<nb_ostreams;i++) {
1916 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1917 ist_table[ost->source_index]->file_index,
1918 ist_table[ost->source_index]->index,
1921 if (ost->sync_ist != ist_table[ost->source_index])
1922 fprintf(stderr, " [sync #%d.%d]",
1923 ost->sync_ist->file_index,
1924 ost->sync_ist->index);
1925 fprintf(stderr, "\n");
1929 /* open each encoder */
1930 for(i=0;i<nb_ostreams;i++) {
1932 if (ost->encoding_needed) {
1933 AVCodec *codec = output_codecs[i];
1935 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1937 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1938 ost->file_index, ost->index);
1941 if (avcodec_open(ost->st->codec, codec) < 0) {
1942 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1943 ost->file_index, ost->index);
1946 extra_size += ost->st->codec->extradata_size;
1950 /* open each decoder */
1951 for(i=0;i<nb_istreams;i++) {
1953 if (ist->decoding_needed) {
1954 AVCodec *codec = input_codecs[i];
1956 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1958 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1959 ist->st->codec->codec_id, ist->file_index, ist->index);
1962 if (avcodec_open(ist->st->codec, codec) < 0) {
1963 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1964 ist->file_index, ist->index);
1967 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1968 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1973 for(i=0;i<nb_istreams;i++) {
1975 is = input_files[ist->file_index];
1977 ist->next_pts = AV_NOPTS_VALUE;
1981 /* set meta data information from input file if required */
1982 for (i=0;i<nb_meta_data_maps;i++) {
1983 AVFormatContext *out_file;
1984 AVFormatContext *in_file;
1985 AVMetadataTag *mtag;
1987 int out_file_index = meta_data_maps[i].out_file;
1988 int in_file_index = meta_data_maps[i].in_file;
1989 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1990 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1991 ret = AVERROR(EINVAL);
1994 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1995 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1996 ret = AVERROR(EINVAL);
2000 out_file = output_files[out_file_index];
2001 in_file = input_files[in_file_index];
2005 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2006 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2007 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2008 in_file->iformat->metadata_conv);
2011 /* open files and write file headers */
2012 for(i=0;i<nb_output_files;i++) {
2013 os = output_files[i];
2014 if (av_write_header(os) < 0) {
2015 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2016 ret = AVERROR(EINVAL);
2019 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2024 print_sdp(output_files, nb_output_files);
2027 if (!using_stdin && verbose >= 0) {
2028 fprintf(stderr, "Press [q] to stop encoding\n");
2029 url_set_interrupt_cb(decode_interrupt_cb);
2034 timer_start = av_gettime();
2036 for(; received_sigterm == 0;) {
2037 int file_index, ist_index;
2045 /* if 'q' pressed, exits */
2049 /* read_key() returns 0 on EOF */
2055 /* select the stream that we must read now by looking at the
2056 smallest output pts */
2058 for(i=0;i<nb_ostreams;i++) {
2061 os = output_files[ost->file_index];
2062 ist = ist_table[ost->source_index];
2063 if(no_packet[ist->file_index])
2065 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2066 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2068 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2069 ipts = (double)ist->pts;
2070 if (!file_table[ist->file_index].eof_reached){
2071 if(ipts < ipts_min) {
2073 if(input_sync ) file_index = ist->file_index;
2075 if(opts < opts_min) {
2077 if(!input_sync) file_index = ist->file_index;
2080 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2085 /* if none, if is finished */
2086 if (file_index < 0) {
2087 if(no_packet_count){
2089 memset(no_packet, 0, sizeof(no_packet));
2096 /* finish if recording time exhausted */
2097 if (opts_min >= (recording_time / 1000000.0))
2100 /* finish if limit size exhausted */
2101 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2104 /* read a frame from it and output it in the fifo */
2105 is = input_files[file_index];
2106 ret= av_read_frame(is, &pkt);
2107 if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm")){
2108 no_packet[file_index]=1;
2113 file_table[file_index].eof_reached = 1;
2121 memset(no_packet, 0, sizeof(no_packet));
2124 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2126 /* the following test is needed in case new streams appear
2127 dynamically in stream : we ignore them */
2128 if (pkt.stream_index >= file_table[file_index].nb_streams)
2129 goto discard_packet;
2130 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2131 ist = ist_table[ist_index];
2133 goto discard_packet;
2135 if (pkt.dts != AV_NOPTS_VALUE)
2136 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2137 if (pkt.pts != AV_NOPTS_VALUE)
2138 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2140 if(input_files_ts_scale[file_index][pkt.stream_index]){
2141 if(pkt.pts != AV_NOPTS_VALUE)
2142 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2143 if(pkt.dts != AV_NOPTS_VALUE)
2144 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2147 // 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);
2148 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2149 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2150 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2151 int64_t delta= pkt_dts - ist->next_pts;
2152 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2153 input_files_ts_offset[ist->file_index]-= delta;
2155 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2156 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2157 if(pkt.pts != AV_NOPTS_VALUE)
2158 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2162 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2163 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2166 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2167 ist->file_index, ist->index);
2170 av_free_packet(&pkt);
2175 av_free_packet(&pkt);
2177 /* dump report by using the output first video and audio streams */
2178 print_report(output_files, ost_table, nb_ostreams, 0);
2181 /* at the end of stream, we must flush the decoder buffers */
2182 for(i=0;i<nb_istreams;i++) {
2184 if (ist->decoding_needed) {
2185 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2191 /* write the trailer if needed and close file */
2192 for(i=0;i<nb_output_files;i++) {
2193 os = output_files[i];
2194 av_write_trailer(os);
2197 /* dump report by using the first video and audio streams */
2198 print_report(output_files, ost_table, nb_ostreams, 1);
2200 /* close each encoder */
2201 for(i=0;i<nb_ostreams;i++) {
2203 if (ost->encoding_needed) {
2204 av_freep(&ost->st->codec->stats_in);
2205 avcodec_close(ost->st->codec);
2209 /* close each decoder */
2210 for(i=0;i<nb_istreams;i++) {
2212 if (ist->decoding_needed) {
2213 avcodec_close(ist->st->codec);
2221 av_freep(&bit_buffer);
2222 av_free(file_table);
2225 for(i=0;i<nb_istreams;i++) {
2232 for(i=0;i<nb_ostreams;i++) {
2236 fclose(ost->logfile);
2237 ost->logfile = NULL;
2239 av_fifo_free(ost->fifo); /* works even if fifo is not
2240 initialized but set to zero */
2241 av_free(ost->pict_tmp.data[0]);
2242 if (ost->video_resample)
2243 sws_freeContext(ost->img_resample_ctx);
2245 audio_resample_close(ost->resample);
2246 if (ost->reformat_ctx)
2247 av_audio_convert_free(ost->reformat_ctx);
2255 ret = AVERROR(ENOMEM);
2260 int file_read(const char *filename)
2263 unsigned char buffer[1024];
2266 if (url_open(&h, filename, O_RDONLY) < 0) {
2267 printf("could not open '%s'\n", filename);
2271 len = url_read(h, buffer, sizeof(buffer));
2274 for(i=0;i<len;i++) putchar(buffer[i]);
2281 static void opt_format(const char *arg)
2283 /* compatibility stuff for pgmyuv */
2284 if (!strcmp(arg, "pgmyuv")) {
2285 pgmyuv_compatibility_hack=1;
2286 // opt_image_format(arg);
2288 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2291 file_iformat = av_find_input_format(arg);
2292 file_oformat = guess_format(arg, NULL, NULL);
2293 if (!file_iformat && !file_oformat) {
2294 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2299 static void opt_video_rc_override_string(const char *arg)
2301 video_rc_override_string = arg;
2304 static int opt_me_threshold(const char *opt, const char *arg)
2306 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2310 static int opt_verbose(const char *opt, const char *arg)
2312 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2313 av_log_set_level(verbose);
2317 static int opt_frame_rate(const char *opt, const char *arg)
2319 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2320 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2326 static int opt_bitrate(const char *opt, const char *arg)
2328 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2330 opt_default(opt, arg);
2332 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2333 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2338 static void opt_frame_crop_top(const char *arg)
2340 frame_topBand = atoi(arg);
2341 if (frame_topBand < 0) {
2342 fprintf(stderr, "Incorrect top crop size\n");
2345 if ((frame_topBand % 2) != 0) {
2346 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2349 if ((frame_topBand) >= frame_height){
2350 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2353 frame_height -= frame_topBand;
2356 static void opt_frame_crop_bottom(const char *arg)
2358 frame_bottomBand = atoi(arg);
2359 if (frame_bottomBand < 0) {
2360 fprintf(stderr, "Incorrect bottom crop size\n");
2363 if ((frame_bottomBand % 2) != 0) {
2364 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2367 if ((frame_bottomBand) >= frame_height){
2368 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2371 frame_height -= frame_bottomBand;
2374 static void opt_frame_crop_left(const char *arg)
2376 frame_leftBand = atoi(arg);
2377 if (frame_leftBand < 0) {
2378 fprintf(stderr, "Incorrect left crop size\n");
2381 if ((frame_leftBand % 2) != 0) {
2382 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2385 if ((frame_leftBand) >= frame_width){
2386 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2389 frame_width -= frame_leftBand;
2392 static void opt_frame_crop_right(const char *arg)
2394 frame_rightBand = atoi(arg);
2395 if (frame_rightBand < 0) {
2396 fprintf(stderr, "Incorrect right crop size\n");
2399 if ((frame_rightBand % 2) != 0) {
2400 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2403 if ((frame_rightBand) >= frame_width){
2404 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2407 frame_width -= frame_rightBand;
2410 static void opt_frame_size(const char *arg)
2412 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2413 fprintf(stderr, "Incorrect frame size\n");
2416 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2417 fprintf(stderr, "Frame size must be a multiple of 2\n");
2423 #define SCALEBITS 10
2424 #define ONE_HALF (1 << (SCALEBITS - 1))
2425 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2427 #define RGB_TO_Y(r, g, b) \
2428 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2429 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2431 #define RGB_TO_U(r1, g1, b1, shift)\
2432 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2433 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2435 #define RGB_TO_V(r1, g1, b1, shift)\
2436 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2437 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2439 static void opt_pad_color(const char *arg) {
2440 /* Input is expected to be six hex digits similar to
2441 how colors are expressed in html tags (but without the #) */
2442 int rgb = strtol(arg, NULL, 16);
2446 g = ((rgb >> 8) & 255);
2449 padcolor[0] = RGB_TO_Y(r,g,b);
2450 padcolor[1] = RGB_TO_U(r,g,b,0);
2451 padcolor[2] = RGB_TO_V(r,g,b,0);
2454 static void opt_frame_pad_top(const char *arg)
2456 frame_padtop = atoi(arg);
2457 if (frame_padtop < 0) {
2458 fprintf(stderr, "Incorrect top pad size\n");
2461 if ((frame_padtop % 2) != 0) {
2462 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2467 static void opt_frame_pad_bottom(const char *arg)
2469 frame_padbottom = atoi(arg);
2470 if (frame_padbottom < 0) {
2471 fprintf(stderr, "Incorrect bottom pad size\n");
2474 if ((frame_padbottom % 2) != 0) {
2475 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2481 static void opt_frame_pad_left(const char *arg)
2483 frame_padleft = atoi(arg);
2484 if (frame_padleft < 0) {
2485 fprintf(stderr, "Incorrect left pad size\n");
2488 if ((frame_padleft % 2) != 0) {
2489 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2495 static void opt_frame_pad_right(const char *arg)
2497 frame_padright = atoi(arg);
2498 if (frame_padright < 0) {
2499 fprintf(stderr, "Incorrect right pad size\n");
2502 if ((frame_padright % 2) != 0) {
2503 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2508 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2512 for (i=-1; i < nb_fmts; i++) {
2513 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2514 fprintf(stdout, "%s\n", fmt_str);
2518 static void opt_frame_pix_fmt(const char *arg)
2520 if (strcmp(arg, "list"))
2521 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2523 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2528 static void opt_frame_aspect_ratio(const char *arg)
2535 p = strchr(arg, ':');
2537 x = strtol(arg, &end, 10);
2539 y = strtol(end+1, &end, 10);
2541 ar = (double)x / (double)y;
2543 ar = strtod(arg, NULL);
2546 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2549 frame_aspect_ratio = ar;
2552 static int opt_metadata(const char *opt, const char *arg)
2554 char *mid= strchr(arg, '=');
2557 fprintf(stderr, "Missing =\n");
2563 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2564 metadata[metadata_count-1].key = av_strdup(arg);
2565 metadata[metadata_count-1].value= av_strdup(mid);
2570 static void opt_qscale(const char *arg)
2572 video_qscale = atof(arg);
2573 if (video_qscale <= 0 ||
2574 video_qscale > 255) {
2575 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2580 static void opt_top_field_first(const char *arg)
2582 top_field_first= atoi(arg);
2585 static int opt_thread_count(const char *opt, const char *arg)
2587 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2590 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2595 static void opt_audio_sample_fmt(const char *arg)
2597 if (strcmp(arg, "list"))
2598 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2600 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2605 static int opt_audio_rate(const char *opt, const char *arg)
2607 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2611 static int opt_audio_channels(const char *opt, const char *arg)
2613 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2617 static void opt_video_channel(const char *arg)
2619 video_channel = strtol(arg, NULL, 0);
2622 static void opt_video_standard(const char *arg)
2624 video_standard = av_strdup(arg);
2627 static void opt_codec(int *pstream_copy, char **pcodec_name,
2628 int codec_type, const char *arg)
2630 av_freep(pcodec_name);
2631 if (!strcmp(arg, "copy")) {
2634 *pcodec_name = av_strdup(arg);
2638 static void opt_audio_codec(const char *arg)
2640 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2643 static void opt_audio_tag(const char *arg)
2646 audio_codec_tag= strtol(arg, &tail, 0);
2649 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2652 static void opt_video_tag(const char *arg)
2655 video_codec_tag= strtol(arg, &tail, 0);
2658 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2661 static void opt_video_codec(const char *arg)
2663 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2666 static void opt_subtitle_codec(const char *arg)
2668 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2671 static void opt_map(const char *arg)
2676 m = &stream_maps[nb_stream_maps++];
2678 m->file_index = strtol(arg, &p, 0);
2682 m->stream_index = strtol(p, &p, 0);
2685 m->sync_file_index = strtol(p, &p, 0);
2688 m->sync_stream_index = strtol(p, &p, 0);
2690 m->sync_file_index = m->file_index;
2691 m->sync_stream_index = m->stream_index;
2695 static void opt_map_meta_data(const char *arg)
2700 m = &meta_data_maps[nb_meta_data_maps++];
2702 m->out_file = strtol(arg, &p, 0);
2706 m->in_file = strtol(p, &p, 0);
2709 static void opt_input_ts_scale(const char *arg)
2711 unsigned int stream;
2715 stream = strtol(arg, &p, 0);
2718 scale= strtod(p, &p);
2720 if(stream >= MAX_STREAMS)
2723 input_files_ts_scale[nb_input_files][stream]= scale;
2726 static int opt_recording_time(const char *opt, const char *arg)
2728 recording_time = parse_time_or_die(opt, arg, 1);
2732 static int opt_start_time(const char *opt, const char *arg)
2734 start_time = parse_time_or_die(opt, arg, 1);
2738 static int opt_rec_timestamp(const char *opt, const char *arg)
2740 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2744 static int opt_input_ts_offset(const char *opt, const char *arg)
2746 input_ts_offset = parse_time_or_die(opt, arg, 1);
2750 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2752 const char *codec_string = encoder ? "encoder" : "decoder";
2756 return CODEC_ID_NONE;
2758 avcodec_find_encoder_by_name(name) :
2759 avcodec_find_decoder_by_name(name);
2761 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2764 if(codec->type != type) {
2765 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2771 static void opt_input_file(const char *filename)
2773 AVFormatContext *ic;
2774 AVFormatParameters params, *ap = ¶ms;
2775 int err, i, ret, rfps, rfps_base;
2778 if (!strcmp(filename, "-"))
2781 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2782 !strcmp(filename, "/dev/stdin");
2784 /* get default parameters from command line */
2785 ic = avformat_alloc_context();
2787 memset(ap, 0, sizeof(*ap));
2788 ap->prealloced_context = 1;
2789 ap->sample_rate = audio_sample_rate;
2790 ap->channels = audio_channels;
2791 ap->time_base.den = frame_rate.num;
2792 ap->time_base.num = frame_rate.den;
2793 ap->width = frame_width + frame_padleft + frame_padright;
2794 ap->height = frame_height + frame_padtop + frame_padbottom;
2795 ap->pix_fmt = frame_pix_fmt;
2796 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2797 ap->channel = video_channel;
2798 ap->standard = video_standard;
2799 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2800 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2801 if(pgmyuv_compatibility_hack)
2802 ap->video_codec_id= CODEC_ID_PGMYUV;
2804 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2806 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2807 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2808 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2809 ic->flags |= AVFMT_FLAG_NONBLOCK;
2811 /* open the input file with generic libav function */
2812 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2814 print_error(filename, err);
2819 for(i=0; i<ic->nb_programs; i++)
2820 if(ic->programs[i]->id != opt_programid)
2821 ic->programs[i]->discard = AVDISCARD_ALL;
2824 ic->loop_input = loop_input;
2826 /* If not enough info to get the stream parameters, we decode the
2827 first frames to get it. (used in mpeg case for example) */
2828 ret = av_find_stream_info(ic);
2829 if (ret < 0 && verbose >= 0) {
2830 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2834 timestamp = start_time;
2835 /* add the stream start time */
2836 if (ic->start_time != AV_NOPTS_VALUE)
2837 timestamp += ic->start_time;
2839 /* if seeking requested, we execute it */
2840 if (start_time != 0) {
2841 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2843 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2844 filename, (double)timestamp / AV_TIME_BASE);
2846 /* reset seek info */
2850 /* update the current parameters so that they match the one of the input stream */
2851 for(i=0;i<ic->nb_streams;i++) {
2852 AVCodecContext *enc = ic->streams[i]->codec;
2854 avcodec_thread_init(enc, thread_count);
2855 enc->thread_count= thread_count;
2856 switch(enc->codec_type) {
2857 case CODEC_TYPE_AUDIO:
2858 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2859 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2860 channel_layout = enc->channel_layout;
2861 audio_channels = enc->channels;
2862 audio_sample_rate = enc->sample_rate;
2863 audio_sample_fmt = enc->sample_fmt;
2864 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2866 ic->streams[i]->discard= AVDISCARD_ALL;
2868 case CODEC_TYPE_VIDEO:
2869 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2870 frame_height = enc->height;
2871 frame_width = enc->width;
2872 if(ic->streams[i]->sample_aspect_ratio.num)
2873 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2875 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2876 frame_aspect_ratio *= (float) enc->width / enc->height;
2877 frame_pix_fmt = enc->pix_fmt;
2878 rfps = ic->streams[i]->r_frame_rate.num;
2879 rfps_base = ic->streams[i]->r_frame_rate.den;
2880 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2882 enc->debug |= FF_DEBUG_MV;
2884 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2887 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2888 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2890 (float)rfps / rfps_base, rfps, rfps_base);
2892 /* update the current frame rate to match the stream frame rate */
2893 frame_rate.num = rfps;
2894 frame_rate.den = rfps_base;
2896 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2898 ic->streams[i]->discard= AVDISCARD_ALL;
2899 else if(video_discard)
2900 ic->streams[i]->discard= video_discard;
2902 case CODEC_TYPE_DATA:
2904 case CODEC_TYPE_SUBTITLE:
2905 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2906 if(subtitle_disable)
2907 ic->streams[i]->discard = AVDISCARD_ALL;
2909 case CODEC_TYPE_ATTACHMENT:
2910 case CODEC_TYPE_UNKNOWN:
2918 input_files[nb_input_files] = ic;
2919 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2920 /* dump the file content */
2922 dump_format(ic, nb_input_files, filename, 0);
2925 file_iformat = NULL;
2926 file_oformat = NULL;
2930 av_freep(&video_codec_name);
2931 av_freep(&audio_codec_name);
2932 av_freep(&subtitle_codec_name);
2935 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2936 int *has_subtitle_ptr)
2938 int has_video, has_audio, has_subtitle, i, j;
2939 AVFormatContext *ic;
2944 for(j=0;j<nb_input_files;j++) {
2945 ic = input_files[j];
2946 for(i=0;i<ic->nb_streams;i++) {
2947 AVCodecContext *enc = ic->streams[i]->codec;
2948 switch(enc->codec_type) {
2949 case CODEC_TYPE_AUDIO:
2952 case CODEC_TYPE_VIDEO:
2955 case CODEC_TYPE_SUBTITLE:
2958 case CODEC_TYPE_DATA:
2959 case CODEC_TYPE_ATTACHMENT:
2960 case CODEC_TYPE_UNKNOWN:
2967 *has_video_ptr = has_video;
2968 *has_audio_ptr = has_audio;
2969 *has_subtitle_ptr = has_subtitle;
2972 static void new_video_stream(AVFormatContext *oc)
2975 AVCodecContext *video_enc;
2978 st = av_new_stream(oc, oc->nb_streams);
2980 fprintf(stderr, "Could not alloc stream\n");
2983 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2984 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2985 video_bitstream_filters= NULL;
2988 avcodec_thread_init(st->codec, thread_count);
2990 video_enc = st->codec;
2993 video_enc->codec_tag= video_codec_tag;
2995 if( (video_global_header&1)
2996 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2997 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2998 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3000 if(video_global_header&2){
3001 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3002 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3005 if (video_stream_copy) {
3006 st->stream_copy = 1;
3007 video_enc->codec_type = CODEC_TYPE_VIDEO;
3008 video_enc->sample_aspect_ratio =
3009 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3014 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3016 if (video_codec_name) {
3017 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3018 codec = avcodec_find_encoder_by_name(video_codec_name);
3019 output_codecs[nb_ocodecs] = codec;
3021 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3022 codec = avcodec_find_encoder(codec_id);
3025 video_enc->codec_id = codec_id;
3027 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3029 if (codec && codec->supported_framerates && !force_fps)
3030 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3031 video_enc->time_base.den = fps.num;
3032 video_enc->time_base.num = fps.den;
3034 video_enc->width = frame_width + frame_padright + frame_padleft;
3035 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3036 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3037 video_enc->pix_fmt = frame_pix_fmt;
3038 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3040 if(codec && codec->pix_fmts){
3041 const enum PixelFormat *p= codec->pix_fmts;
3043 if(*p == video_enc->pix_fmt)
3047 video_enc->pix_fmt = codec->pix_fmts[0];
3051 video_enc->gop_size = 0;
3052 if (video_qscale || same_quality) {
3053 video_enc->flags |= CODEC_FLAG_QSCALE;
3054 video_enc->global_quality=
3055 st->quality = FF_QP2LAMBDA * video_qscale;
3059 video_enc->intra_matrix = intra_matrix;
3061 video_enc->inter_matrix = inter_matrix;
3063 video_enc->thread_count = thread_count;
3064 p= video_rc_override_string;
3067 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3069 fprintf(stderr, "error parsing rc_override\n");
3072 video_enc->rc_override=
3073 av_realloc(video_enc->rc_override,
3074 sizeof(RcOverride)*(i+1));
3075 video_enc->rc_override[i].start_frame= start;
3076 video_enc->rc_override[i].end_frame = end;
3078 video_enc->rc_override[i].qscale= q;
3079 video_enc->rc_override[i].quality_factor= 1.0;
3082 video_enc->rc_override[i].qscale= 0;
3083 video_enc->rc_override[i].quality_factor= -q/100.0;
3088 video_enc->rc_override_count=i;
3089 if (!video_enc->rc_initial_buffer_occupancy)
3090 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3091 video_enc->me_threshold= me_threshold;
3092 video_enc->intra_dc_precision= intra_dc_precision - 8;
3095 video_enc->flags|= CODEC_FLAG_PSNR;
3100 video_enc->flags |= CODEC_FLAG_PASS1;
3102 video_enc->flags |= CODEC_FLAG_PASS2;
3108 /* reset some key parameters */
3110 av_freep(&video_codec_name);
3111 video_stream_copy = 0;
3114 static void new_audio_stream(AVFormatContext *oc)
3117 AVCodecContext *audio_enc;
3120 st = av_new_stream(oc, oc->nb_streams);
3122 fprintf(stderr, "Could not alloc stream\n");
3125 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3127 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3128 audio_bitstream_filters= NULL;
3131 avcodec_thread_init(st->codec, thread_count);
3133 audio_enc = st->codec;
3134 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3137 audio_enc->codec_tag= audio_codec_tag;
3139 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3140 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3141 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3143 if (audio_stream_copy) {
3144 st->stream_copy = 1;
3145 audio_enc->channels = audio_channels;
3149 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3151 if (audio_codec_name) {
3152 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3153 codec = avcodec_find_encoder_by_name(audio_codec_name);
3154 output_codecs[nb_ocodecs] = codec;
3156 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3157 codec = avcodec_find_encoder(codec_id);
3159 audio_enc->codec_id = codec_id;
3161 if (audio_qscale > QSCALE_NONE) {
3162 audio_enc->flags |= CODEC_FLAG_QSCALE;
3163 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3165 audio_enc->thread_count = thread_count;
3166 audio_enc->channels = audio_channels;
3167 audio_enc->sample_fmt = audio_sample_fmt;
3168 audio_enc->channel_layout = channel_layout;
3170 if(codec && codec->sample_fmts){
3171 const enum SampleFormat *p= codec->sample_fmts;
3173 if(*p == audio_enc->sample_fmt)
3177 audio_enc->sample_fmt = codec->sample_fmts[0];
3181 audio_enc->sample_rate = audio_sample_rate;
3182 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3183 if (audio_language) {
3184 av_metadata_set(&st->metadata, "language", audio_language);
3185 av_free(audio_language);
3186 audio_language = NULL;
3189 /* reset some key parameters */
3191 av_freep(&audio_codec_name);
3192 audio_stream_copy = 0;
3195 static void new_subtitle_stream(AVFormatContext *oc)
3198 AVCodecContext *subtitle_enc;
3200 st = av_new_stream(oc, oc->nb_streams);
3202 fprintf(stderr, "Could not alloc stream\n");
3205 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3207 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3208 subtitle_bitstream_filters= NULL;
3210 subtitle_enc = st->codec;
3211 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3212 if (subtitle_stream_copy) {
3213 st->stream_copy = 1;
3215 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3216 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3217 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3221 if (subtitle_language) {
3222 av_metadata_set(&st->metadata, "language", subtitle_language);
3223 av_free(subtitle_language);
3224 subtitle_language = NULL;
3227 subtitle_disable = 0;
3228 av_freep(&subtitle_codec_name);
3229 subtitle_stream_copy = 0;
3232 static void opt_new_audio_stream(void)
3234 AVFormatContext *oc;
3235 if (nb_output_files <= 0) {
3236 fprintf(stderr, "At least one output file must be specified\n");
3239 oc = output_files[nb_output_files - 1];
3240 new_audio_stream(oc);
3243 static void opt_new_video_stream(void)
3245 AVFormatContext *oc;
3246 if (nb_output_files <= 0) {
3247 fprintf(stderr, "At least one output file must be specified\n");
3250 oc = output_files[nb_output_files - 1];
3251 new_video_stream(oc);
3254 static void opt_new_subtitle_stream(void)
3256 AVFormatContext *oc;
3257 if (nb_output_files <= 0) {
3258 fprintf(stderr, "At least one output file must be specified\n");
3261 oc = output_files[nb_output_files - 1];
3262 new_subtitle_stream(oc);
3265 static void opt_output_file(const char *filename)
3267 AVFormatContext *oc;
3268 int use_video, use_audio, use_subtitle;
3269 int input_has_video, input_has_audio, input_has_subtitle;
3270 AVFormatParameters params, *ap = ¶ms;
3272 if (!strcmp(filename, "-"))
3275 oc = avformat_alloc_context();
3277 if (!file_oformat) {
3278 file_oformat = guess_format(NULL, filename, NULL);
3279 if (!file_oformat) {
3280 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3286 oc->oformat = file_oformat;
3287 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3289 if (!strcmp(file_oformat->name, "ffm") &&
3290 av_strstart(filename, "http:", NULL)) {
3291 /* special case for files sent to ffserver: we get the stream
3292 parameters from ffserver */
3293 int err = read_ffserver_streams(oc, filename);
3295 print_error(filename, err);
3299 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3300 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3301 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3303 /* disable if no corresponding type found and at least one
3305 if (nb_input_files > 0) {
3306 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3307 &input_has_subtitle);
3308 if (!input_has_video)
3310 if (!input_has_audio)
3312 if (!input_has_subtitle)
3316 /* manual disable */
3317 if (audio_disable) {
3320 if (video_disable) {
3323 if (subtitle_disable) {
3328 new_video_stream(oc);
3332 new_audio_stream(oc);
3336 new_subtitle_stream(oc);
3339 oc->timestamp = rec_timestamp;
3341 for(; metadata_count>0; metadata_count--){
3342 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3343 metadata[metadata_count-1].value);
3345 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3348 output_files[nb_output_files++] = oc;
3350 /* check filename in case of an image number is expected */
3351 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3352 if (!av_filename_number_test(oc->filename)) {
3353 print_error(oc->filename, AVERROR_NUMEXPECTED);
3358 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3359 /* test if it already exists to avoid loosing precious files */
3360 if (!file_overwrite &&
3361 (strchr(filename, ':') == NULL ||
3362 filename[1] == ':' ||
3363 av_strstart(filename, "file:", NULL))) {
3364 if (url_exist(filename)) {
3368 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3371 if (toupper(c) != 'Y') {
3372 fprintf(stderr, "Not overwriting - exiting\n");
3377 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3384 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3385 fprintf(stderr, "Could not open '%s'\n", filename);
3390 memset(ap, 0, sizeof(*ap));
3391 if (av_set_parameters(oc, ap) < 0) {
3392 fprintf(stderr, "%s: Invalid encoding parameters\n",
3397 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3398 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3399 oc->loop_output = loop_output;
3400 oc->flags |= AVFMT_FLAG_NONBLOCK;
3402 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3404 /* reset some options */
3405 file_oformat = NULL;
3406 file_iformat = NULL;
3409 /* same option as mencoder */
3410 static void opt_pass(const char *pass_str)
3413 pass = atoi(pass_str);
3414 if (pass != 1 && pass != 2) {
3415 fprintf(stderr, "pass number can be only 1 or 2\n");
3421 static int64_t getutime(void)
3424 struct rusage rusage;
3426 getrusage(RUSAGE_SELF, &rusage);
3427 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3428 #elif HAVE_GETPROCESSTIMES
3430 FILETIME c, e, k, u;
3431 proc = GetCurrentProcess();
3432 GetProcessTimes(proc, &c, &e, &k, &u);
3433 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3435 return av_gettime();
3439 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3442 const char *p = str;
3449 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3456 static void opt_inter_matrix(const char *arg)
3458 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3459 parse_matrix_coeffs(inter_matrix, arg);
3462 static void opt_intra_matrix(const char *arg)
3464 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3465 parse_matrix_coeffs(intra_matrix, arg);
3469 * Trivial log callback.
3470 * Only suitable for show_help and similar since it lacks prefix handling.
3472 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3474 vfprintf(stdout, fmt, vl);
3477 static void show_help(void)
3479 av_log_set_callback(log_callback_help);
3480 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3481 "Hyper fast Audio and Video encoder\n");
3483 show_help_options(options, "Main options:\n",
3484 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3485 show_help_options(options, "\nAdvanced options:\n",
3486 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3488 show_help_options(options, "\nVideo options:\n",
3489 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3491 show_help_options(options, "\nAdvanced Video options:\n",
3492 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3493 OPT_VIDEO | OPT_EXPERT);
3494 show_help_options(options, "\nAudio options:\n",
3495 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3497 show_help_options(options, "\nAdvanced Audio options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3499 OPT_AUDIO | OPT_EXPERT);
3500 show_help_options(options, "\nSubtitle options:\n",
3501 OPT_SUBTITLE | OPT_GRAB,
3503 show_help_options(options, "\nAudio/Video grab options:\n",
3507 av_opt_show(avcodec_opts[0], NULL);
3509 av_opt_show(avformat_opts, NULL);
3511 av_opt_show(sws_opts, NULL);
3514 static void opt_target(const char *arg)
3517 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3519 if(!strncmp(arg, "pal-", 4)) {
3522 } else if(!strncmp(arg, "ntsc-", 5)) {
3525 } else if(!strncmp(arg, "film-", 5)) {
3530 /* Calculate FR via float to avoid int overflow */
3531 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3534 } else if((fr == 29970) || (fr == 23976)) {
3537 /* Try to determine PAL/NTSC by peeking in the input files */
3538 if(nb_input_files) {
3540 for(j = 0; j < nb_input_files; j++) {
3541 for(i = 0; i < input_files[j]->nb_streams; i++) {
3542 AVCodecContext *c = input_files[j]->streams[i]->codec;
3543 if(c->codec_type != CODEC_TYPE_VIDEO)
3545 fr = c->time_base.den * 1000 / c->time_base.num;
3549 } else if((fr == 29970) || (fr == 23976)) {
3559 if(verbose && norm >= 0)
3560 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3564 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3565 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3566 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3570 if(!strcmp(arg, "vcd")) {
3572 opt_video_codec("mpeg1video");
3573 opt_audio_codec("mp2");
3576 opt_frame_size(norm ? "352x240" : "352x288");
3577 opt_frame_rate(NULL, frame_rates[norm]);
3578 opt_default("gop", norm ? "18" : "15");
3580 opt_default("b", "1150000");
3581 opt_default("maxrate", "1150000");
3582 opt_default("minrate", "1150000");
3583 opt_default("bufsize", "327680"); // 40*1024*8;
3585 opt_default("ab", "224000");
3586 audio_sample_rate = 44100;
3589 opt_default("packetsize", "2324");
3590 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3592 /* We have to offset the PTS, so that it is consistent with the SCR.
3593 SCR starts at 36000, but the first two packs contain only padding
3594 and the first pack from the other stream, respectively, may also have
3595 been written before.
3596 So the real data starts at SCR 36000+3*1200. */
3597 mux_preload= (36000+3*1200) / 90000.0; //0.44
3598 } else if(!strcmp(arg, "svcd")) {
3600 opt_video_codec("mpeg2video");
3601 opt_audio_codec("mp2");
3604 opt_frame_size(norm ? "480x480" : "480x576");
3605 opt_frame_rate(NULL, frame_rates[norm]);
3606 opt_default("gop", norm ? "18" : "15");
3608 opt_default("b", "2040000");
3609 opt_default("maxrate", "2516000");
3610 opt_default("minrate", "0"); //1145000;
3611 opt_default("bufsize", "1835008"); //224*1024*8;
3612 opt_default("flags", "+scan_offset");
3615 opt_default("ab", "224000");
3616 audio_sample_rate = 44100;
3618 opt_default("packetsize", "2324");
3620 } else if(!strcmp(arg, "dvd")) {
3622 opt_video_codec("mpeg2video");
3623 opt_audio_codec("ac3");
3626 opt_frame_size(norm ? "720x480" : "720x576");
3627 opt_frame_rate(NULL, frame_rates[norm]);
3628 opt_default("gop", norm ? "18" : "15");
3630 opt_default("b", "6000000");
3631 opt_default("maxrate", "9000000");
3632 opt_default("minrate", "0"); //1500000;
3633 opt_default("bufsize", "1835008"); //224*1024*8;
3635 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3636 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3638 opt_default("ab", "448000");
3639 audio_sample_rate = 48000;
3641 } else if(!strncmp(arg, "dv", 2)) {
3645 opt_frame_size(norm ? "720x480" : "720x576");
3646 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3647 (norm ? "yuv411p" : "yuv420p"));
3648 opt_frame_rate(NULL, frame_rates[norm]);
3650 audio_sample_rate = 48000;
3654 fprintf(stderr, "Unknown target: %s\n", arg);
3659 static void opt_vstats_file (const char *arg)
3661 av_free (vstats_filename);
3662 vstats_filename=av_strdup (arg);
3665 static void opt_vstats (void)
3668 time_t today2 = time(NULL);
3669 struct tm *today = localtime(&today2);
3671 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3673 opt_vstats_file(filename);
3676 static int opt_bsf(const char *opt, const char *arg)
3678 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3679 AVBitStreamFilterContext **bsfp;
3682 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3686 bsfp= *opt == 'v' ? &video_bitstream_filters :
3687 *opt == 'a' ? &audio_bitstream_filters :
3688 &subtitle_bitstream_filters;
3690 bsfp= &(*bsfp)->next;
3697 static int opt_preset(const char *opt, const char *arg)
3700 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3702 const char *base[2]= { getenv("HOME"),
3706 for(i=!base[0]; i<2 && !f; i++){
3707 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3708 f= fopen(filename, "r");
3710 char *codec_name= *opt == 'v' ? video_codec_name :
3711 *opt == 'a' ? audio_codec_name :
3712 subtitle_codec_name;
3713 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3714 f= fopen(filename, "r");
3717 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3719 av_strlcpy(filename, arg, sizeof(filename));
3720 f= fopen(filename, "r");
3724 fprintf(stderr, "File for preset '%s' not found\n", arg);
3729 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3730 if(line[0] == '#' && !e)
3732 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3734 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3737 if(!strcmp(tmp, "acodec")){
3738 opt_audio_codec(tmp2);
3739 }else if(!strcmp(tmp, "vcodec")){
3740 opt_video_codec(tmp2);
3741 }else if(!strcmp(tmp, "scodec")){
3742 opt_subtitle_codec(tmp2);
3743 }else if(opt_default(tmp, tmp2) < 0){
3744 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3754 static const OptionDef options[] = {
3756 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3757 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3758 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3759 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3760 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3761 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3762 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3763 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3764 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3765 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3766 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3767 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3768 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3769 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3770 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3771 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3772 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3773 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3774 "add timings for benchmarking" },
3775 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3776 "dump each input packet" },
3777 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3778 "when dumping packets, also dump the payload" },
3779 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3780 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3781 { "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)", "" },
3782 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3783 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3784 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3785 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3786 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3787 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3788 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3789 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3790 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3791 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3792 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3793 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3794 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3797 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3798 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3799 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3800 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3801 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3802 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3803 { "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" },
3804 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3805 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3806 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3807 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3808 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3809 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3810 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3811 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3812 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3813 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3814 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3815 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3816 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3817 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3818 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3819 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3820 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3821 "use same video quality as source (implies VBR)" },
3822 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3823 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3824 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3825 "deinterlace pictures" },
3826 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3827 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3828 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3829 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3830 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3831 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3832 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3833 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3834 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3835 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3836 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3839 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3840 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3841 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3842 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3843 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3844 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3845 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3846 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3847 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3848 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3849 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3850 { "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" },
3852 /* subtitle options */
3853 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3854 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3855 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3856 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3859 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3860 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3861 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3864 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3865 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3867 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3868 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3869 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3871 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3872 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3873 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3875 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3879 int main(int argc, char **argv)
3884 avcodec_register_all();
3885 avdevice_register_all();
3888 if(isatty(STDIN_FILENO))
3889 url_set_interrupt_cb(decode_interrupt_cb);
3891 for(i=0; i<CODEC_TYPE_NB; i++){
3892 avcodec_opts[i]= avcodec_alloc_context2(i);
3894 avformat_opts = avformat_alloc_context();
3895 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3900 parse_options(argc, argv, options, opt_output_file);
3902 /* file converter / grab */
3903 if (nb_output_files <= 0) {
3904 fprintf(stderr, "At least one output file must be specified\n");
3908 if (nb_input_files == 0) {
3909 fprintf(stderr, "At least one input file must be specified\n");
3914 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3915 stream_maps, nb_stream_maps) < 0)
3917 ti = getutime() - ti;
3919 printf("bench: utime=%0.3fs\n", ti / 1000000.0);