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
33 #include "framehook.h"
37 #include "os_support.h"
39 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
43 #if defined(HAVE_TERMIOS_H)
46 #include <sys/ioctl.h>
49 #include <sys/resource.h>
50 #elif defined(HAVE_CONIO_H)
53 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
62 #if !defined(INFINITY) && defined(HUGE_VAL)
63 #define INFINITY HUGE_VAL
68 static const char program_name[] = "FFmpeg";
69 static const int program_birth_year = 2000;
71 /* select an input stream for an output stream */
72 typedef struct AVStreamMap {
76 int sync_stream_index;
79 /** select an input file for an output file */
80 typedef struct AVMetaDataMap {
85 extern const OptionDef options[];
89 static AVFormatContext *input_files[MAX_FILES];
90 static int64_t input_files_ts_offset[MAX_FILES];
91 static int nb_input_files = 0;
93 static AVFormatContext *output_files[MAX_FILES];
94 static int nb_output_files = 0;
96 static AVStreamMap stream_maps[MAX_FILES];
97 static int nb_stream_maps;
99 static AVMetaDataMap meta_data_maps[MAX_FILES];
100 static int nb_meta_data_maps;
102 static AVInputFormat *file_iformat;
103 static AVOutputFormat *file_oformat;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static int frame_padtop = 0;
109 static int frame_padbottom = 0;
110 static int frame_padleft = 0;
111 static int frame_padright = 0;
112 static int padcolor[3] = {16,128,128}; /* default to black */
113 static int frame_topBand = 0;
114 static int frame_bottomBand = 0;
115 static int frame_leftBand = 0;
116 static int frame_rightBand = 0;
117 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
118 static AVRational frame_rate = (AVRational) {0,0};
119 static float video_qscale = 0;
120 static int video_qdiff = 3;
121 static uint16_t *intra_matrix = NULL;
122 static uint16_t *inter_matrix = NULL;
123 #if 0 //experimental, (can be removed)
124 static float video_rc_qsquish=1.0;
125 static float video_rc_qmod_amp=0;
126 static int video_rc_qmod_freq=0;
128 static const char *video_rc_override_string=NULL;
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_genre = NULL;
170 static char *str_album = NULL;
171 static int do_benchmark = 0;
172 static int do_hex_dump = 0;
173 static int do_pkt_dump = 0;
174 static int do_psnr = 0;
175 static int do_pass = 0;
176 static char *pass_logfilename = NULL;
177 static int audio_stream_copy = 0;
178 static int video_stream_copy = 0;
179 static int subtitle_stream_copy = 0;
180 static int video_sync_method= 1;
181 static int audio_sync_method= 0;
182 static float audio_drift_threshold= 0.1;
183 static int copy_ts= 0;
184 static int opt_shortest = 0; //
185 static int video_global_header = 0;
186 static char *vstats_filename;
187 static FILE *vstats_file;
188 static int opt_programid = 0;
190 static int rate_emu = 0;
192 static int video_channel = 0;
193 static char *video_standard;
195 static int audio_volume = 256;
197 static int using_stdin = 0;
198 static int using_vhook = 0;
199 static int verbose = 1;
200 static int thread_count= 1;
201 static int q_pressed = 0;
202 static int64_t video_size = 0;
203 static int64_t audio_size = 0;
204 static int64_t extra_size = 0;
205 static int nb_frames_dup = 0;
206 static int nb_frames_drop = 0;
207 static int input_sync;
208 static uint64_t limit_filesize = 0; //
210 static int pgmyuv_compatibility_hack=0;
211 static float dts_delta_threshold = 10;
213 static int sws_flags = SWS_BICUBIC;
215 static const char **opt_names;
216 static int opt_name_count;
217 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
218 static AVFormatContext *avformat_opts;
219 static struct SwsContext *sws_opts;
220 static int64_t timer_start;
222 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
227 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
229 struct AVInputStream;
231 typedef struct AVOutputStream {
232 int file_index; /* file index */
233 int index; /* stream index in the output file */
234 int source_index; /* AVInputStream index */
235 AVStream *st; /* stream in the output file */
236 int encoding_needed; /* true if encoding needed for this stream */
238 /* input pts and corresponding output pts
240 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
241 struct AVInputStream *sync_ist; /* input stream to sync against */
242 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
245 AVFrame pict_tmp; /* temporary image for resampling */
246 struct SwsContext *img_resample_ctx; /* for image resampling */
250 int topBand; /* cropping area sizes */
254 int padtop; /* padding area sizes */
261 ReSampleContext *resample; /* for audio resampling */
262 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
266 typedef struct AVInputStream {
270 int discard; /* true if stream data should be discarded */
271 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
272 int64_t sample_index; /* current sample */
274 int64_t start; /* time when read started */
275 unsigned long frame; /* current frame */
276 int64_t next_pts; /* synthetic pts for cases where pkt.pts
278 int64_t pts; /* current pts */
279 int is_start; /* is 1 at the start and after a discontinuity */
282 typedef struct AVInputFile {
283 int eof_reached; /* true if eof reached */
284 int ist_index; /* index of first stream in ist_table */
285 int buffer_size; /* current total buffer size */
286 int nb_streams; /* nb streams we are aware of */
289 #ifdef HAVE_TERMIOS_H
291 /* init terminal so that we can grab keys */
292 static struct termios oldtty;
295 static void term_exit(void)
297 #ifdef HAVE_TERMIOS_H
298 tcsetattr (0, TCSANOW, &oldtty);
302 static volatile sig_atomic_t received_sigterm = 0;
305 sigterm_handler(int sig)
307 received_sigterm = sig;
311 static void term_init(void)
313 #ifdef HAVE_TERMIOS_H
319 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
320 |INLCR|IGNCR|ICRNL|IXON);
321 tty.c_oflag |= OPOST;
322 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
323 tty.c_cflag &= ~(CSIZE|PARENB);
328 tcsetattr (0, TCSANOW, &tty);
329 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
332 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
333 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
335 register a function to be called at normal program termination
338 #ifdef CONFIG_BEOS_NETSERVER
339 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
343 /* read a key without blocking */
344 static int read_key(void)
346 #if defined(HAVE_TERMIOS_H)
349 #ifndef CONFIG_BEOS_NETSERVER
357 n = select(1, &rfds, NULL, NULL, &tv);
366 #elif defined(HAVE_CONIO_H)
373 static int decode_interrupt_cb(void)
375 return q_pressed || (q_pressed = read_key() == 'q');
378 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
383 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
386 /* copy stream format */
387 s->nb_streams = ic->nb_streams;
388 for(i=0;i<ic->nb_streams;i++) {
391 // FIXME: a more elegant solution is needed
392 st = av_mallocz(sizeof(AVStream));
393 memcpy(st, ic->streams[i], sizeof(AVStream));
394 st->codec = avcodec_alloc_context();
395 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
399 av_close_input_file(ic);
404 get_sync_ipts(const AVOutputStream *ost)
406 const AVInputStream *ist = ost->sync_ist;
407 return (double)(ist->pts - start_time)/AV_TIME_BASE;
410 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
414 AVPacket new_pkt= *pkt;
415 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
416 &new_pkt.data, &new_pkt.size,
417 pkt->data, pkt->size,
418 pkt->flags & PKT_FLAG_KEY);
421 new_pkt.destruct= av_destruct_packet;
423 fprintf(stderr, "%s failed for stream %d, codec %s",
424 bsfc->filter->name, pkt->stream_index,
425 avctx->codec ? avctx->codec->name : "copy");
433 ret= av_interleaved_write_frame(s, pkt);
435 print_error("av_interleaved_write_frame()", ret);
440 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
442 static void do_audio_out(AVFormatContext *s,
445 unsigned char *buf, int size)
448 static uint8_t *audio_buf = NULL;
449 static uint8_t *audio_out = NULL;
450 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
452 int size_out, frame_bytes, ret;
453 AVCodecContext *enc= ost->st->codec;
454 AVCodecContext *dec= ist->st->codec;
456 /* SC: dynamic allocation of buffers */
458 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
460 audio_out = av_malloc(audio_out_size);
461 if (!audio_buf || !audio_out)
462 return; /* Should signal an error ! */
464 if (enc->channels != dec->channels)
465 ost->audio_resample = 1;
467 if (ost->audio_resample && !ost->resample) {
468 ost->resample = audio_resample_init(enc->channels, dec->channels,
469 enc->sample_rate, dec->sample_rate);
470 if (!ost->resample) {
471 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
472 dec->channels, dec->sample_rate,
473 enc->channels, enc->sample_rate);
478 if(audio_sync_method){
479 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
480 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
481 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
482 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
484 //FIXME resample delay
485 if(fabs(delta) > 50){
486 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
488 byte_delta= FFMAX(byte_delta, -size);
492 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
497 static uint8_t *input_tmp= NULL;
498 input_tmp= av_realloc(input_tmp, byte_delta + size);
500 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
503 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
505 memset(input_tmp, 0, byte_delta);
506 memcpy(input_tmp + byte_delta, buf, size);
510 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
512 }else if(audio_sync_method>1){
513 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
514 assert(ost->audio_resample);
516 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
517 // 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));
518 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
522 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
523 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
525 if (ost->audio_resample) {
527 size_out = audio_resample(ost->resample,
528 (short *)buftmp, (short *)buf,
529 size / (ist->st->codec->channels * 2));
530 size_out = size_out * enc->channels * 2;
536 /* now encode as many frames as possible */
537 if (enc->frame_size > 1) {
538 /* output resampled raw samples */
539 av_fifo_write(&ost->fifo, buftmp, size_out);
541 frame_bytes = enc->frame_size * 2 * enc->channels;
543 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
545 av_init_packet(&pkt);
547 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
550 pkt.stream_index= ost->index;
553 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
554 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
555 pkt.flags |= PKT_FLAG_KEY;
556 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
558 ost->sync_opts += enc->frame_size;
562 av_init_packet(&pkt);
564 ost->sync_opts += size_out / (2 * enc->channels);
566 /* output a pcm frame */
567 /* XXX: change encoding codec API to avoid this ? */
568 switch(enc->codec->id) {
569 case CODEC_ID_PCM_S32LE:
570 case CODEC_ID_PCM_S32BE:
571 case CODEC_ID_PCM_U32LE:
572 case CODEC_ID_PCM_U32BE:
573 size_out = size_out << 1;
575 case CODEC_ID_PCM_S24LE:
576 case CODEC_ID_PCM_S24BE:
577 case CODEC_ID_PCM_U24LE:
578 case CODEC_ID_PCM_U24BE:
579 case CODEC_ID_PCM_S24DAUD:
580 size_out = size_out / 2 * 3;
582 case CODEC_ID_PCM_S16LE:
583 case CODEC_ID_PCM_S16BE:
584 case CODEC_ID_PCM_U16LE:
585 case CODEC_ID_PCM_U16BE:
588 size_out = size_out >> 1;
591 ret = avcodec_encode_audio(enc, audio_out, size_out,
594 pkt.stream_index= ost->index;
597 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
598 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
599 pkt.flags |= PKT_FLAG_KEY;
600 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
604 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
608 AVPicture picture_tmp;
611 dec = ist->st->codec;
613 /* deinterlace : must be done before any resize */
614 if (do_deinterlace || using_vhook) {
617 /* create temporary picture */
618 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
619 buf = av_malloc(size);
623 picture2 = &picture_tmp;
624 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
627 if(avpicture_deinterlace(picture2, picture,
628 dec->pix_fmt, dec->width, dec->height) < 0) {
629 /* if error, do not deinterlace */
635 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
642 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
643 1000000 * ist->pts / AV_TIME_BASE);
645 if (picture != picture2)
646 *picture = *picture2;
650 /* we begin to correct av delay at this threshold */
651 #define AV_DELAY_MAX 0.100
653 static void do_subtitle_out(AVFormatContext *s,
659 static uint8_t *subtitle_out = NULL;
660 int subtitle_out_max_size = 65536;
661 int subtitle_out_size, nb, i;
665 if (pts == AV_NOPTS_VALUE) {
666 fprintf(stderr, "Subtitle packets must have a pts\n");
670 enc = ost->st->codec;
673 subtitle_out = av_malloc(subtitle_out_max_size);
676 /* Note: DVB subtitle need one packet to draw them and one other
677 packet to clear them */
678 /* XXX: signal it in the codec context ? */
679 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
684 for(i = 0; i < nb; i++) {
685 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
686 subtitle_out_max_size, sub);
688 av_init_packet(&pkt);
689 pkt.stream_index = ost->index;
690 pkt.data = subtitle_out;
691 pkt.size = subtitle_out_size;
692 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
693 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
694 /* XXX: the pts correction is handled here. Maybe handling
695 it in the codec would be better */
697 pkt.pts += 90 * sub->start_display_time;
699 pkt.pts += 90 * sub->end_display_time;
701 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
705 static int bit_buffer_size= 1024*256;
706 static uint8_t *bit_buffer= NULL;
708 static void do_video_out(AVFormatContext *s,
714 int nb_frames, i, ret;
715 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
716 AVFrame picture_crop_temp, picture_pad_temp;
717 AVCodecContext *enc, *dec;
719 avcodec_get_frame_defaults(&picture_crop_temp);
720 avcodec_get_frame_defaults(&picture_pad_temp);
722 enc = ost->st->codec;
723 dec = ist->st->codec;
725 /* by default, we output a single frame */
730 if(video_sync_method){
732 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
733 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
736 else if (vdelta > 1.1)
737 nb_frames = lrintf(vdelta);
738 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
742 fprintf(stderr, "*** drop!\n");
743 }else if (nb_frames > 1) {
744 nb_frames_dup += nb_frames;
746 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
749 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
751 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
755 if (ost->video_crop) {
756 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
757 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
760 formatted_picture = &picture_crop_temp;
762 formatted_picture = in_picture;
765 final_picture = formatted_picture;
766 padding_src = formatted_picture;
767 resampling_dst = &ost->pict_tmp;
768 if (ost->video_pad) {
769 final_picture = &ost->pict_tmp;
770 if (ost->video_resample) {
771 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
772 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
775 resampling_dst = &picture_pad_temp;
779 if (ost->video_resample) {
781 final_picture = &ost->pict_tmp;
782 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
783 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
786 if (ost->video_pad) {
787 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
788 enc->height, enc->width, enc->pix_fmt,
789 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
792 /* duplicates frame if needed */
793 for(i=0;i<nb_frames;i++) {
795 av_init_packet(&pkt);
796 pkt.stream_index= ost->index;
798 if (s->oformat->flags & AVFMT_RAWPICTURE) {
799 /* raw pictures are written as AVPicture structure to
800 avoid any copies. We support temorarily the older
802 AVFrame* old_frame = enc->coded_frame;
803 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
804 pkt.data= (uint8_t *)final_picture;
805 pkt.size= sizeof(AVPicture);
806 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
807 pkt.flags |= PKT_FLAG_KEY;
809 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
810 enc->coded_frame = old_frame;
814 big_picture= *final_picture;
815 /* better than nothing: use input picture interlaced
817 big_picture.interlaced_frame = in_picture->interlaced_frame;
818 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
819 if(top_field_first == -1)
820 big_picture.top_field_first = in_picture->top_field_first;
822 big_picture.top_field_first = top_field_first;
825 /* handles sameq here. This is not correct because it may
826 not be a global option */
828 big_picture.quality = ist->st->quality;
830 big_picture.quality = ost->st->quality;
832 big_picture.pict_type = 0;
833 // big_picture.pts = AV_NOPTS_VALUE;
834 big_picture.pts= ost->sync_opts;
835 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
836 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
837 ret = avcodec_encode_video(enc,
838 bit_buffer, bit_buffer_size,
841 fprintf(stderr, "Video encoding failed\n");
844 //enc->frame_number = enc->real_pict_num;
846 pkt.data= bit_buffer;
848 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
849 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
850 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
851 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
852 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
854 if(enc->coded_frame && enc->coded_frame->key_frame)
855 pkt.flags |= PKT_FLAG_KEY;
856 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
858 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
859 // enc->frame_number-1, enc->real_pict_num, ret,
861 /* if two pass, output log */
862 if (ost->logfile && enc->stats_out) {
863 fprintf(ost->logfile, "%s", enc->stats_out);
872 static double psnr(double d){
873 if(d==0) return INFINITY;
874 return -10.0*log(d)/log(10.0);
877 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
882 double ti1, bitrate, avg_bitrate;
884 /* this is executed just the first time do_video_stats is called */
886 vstats_file = fopen(vstats_filename, "w");
893 enc = ost->st->codec;
894 if (enc->codec_type == CODEC_TYPE_VIDEO) {
895 frame_number = ost->frame_number;
896 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
897 if (enc->flags&CODEC_FLAG_PSNR)
898 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
900 fprintf(vstats_file,"f_size= %6d ", frame_size);
901 /* compute pts value */
902 ti1 = ost->sync_opts * av_q2d(enc->time_base);
906 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
907 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
908 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
909 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
910 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
914 static void print_report(AVFormatContext **output_files,
915 AVOutputStream **ost_table, int nb_ostreams,
920 AVFormatContext *oc, *os;
923 int frame_number, vid, i;
924 double bitrate, ti1, pts;
925 static int64_t last_time = -1;
926 static int qp_histogram[52];
928 if (!is_last_report) {
930 /* display the report every 0.5 seconds */
931 cur_time = av_gettime();
932 if (last_time == -1) {
933 last_time = cur_time;
936 if ((cur_time - last_time) < 500000)
938 last_time = cur_time;
942 oc = output_files[0];
944 total_size = url_fsize(oc->pb);
945 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
946 total_size= url_ftell(oc->pb);
951 for(i=0;i<nb_ostreams;i++) {
953 os = output_files[ost->file_index];
954 enc = ost->st->codec;
955 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
956 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
957 enc->coded_frame && !ost->st->stream_copy ?
958 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
960 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
961 float t = (av_gettime()-timer_start) / 1000000.0;
963 frame_number = ost->frame_number;
964 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
965 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
966 enc->coded_frame && !ost->st->stream_copy ?
967 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
970 if(qp_hist && enc->coded_frame){
972 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
973 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
976 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
978 if (enc->flags&CODEC_FLAG_PSNR){
980 double error, error_sum=0;
981 double scale, scale_sum=0;
982 char type[3]= {'Y','U','V'};
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
986 error= enc->error[j];
987 scale= enc->width*enc->height*255.0*255.0*frame_number;
989 error= enc->coded_frame->error[j];
990 scale= enc->width*enc->height*255.0*255.0;
995 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
997 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1001 /* compute min output value */
1002 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1003 if ((pts < ti1) && (pts > 0))
1009 if (verbose || is_last_report) {
1010 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1012 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1013 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1014 (double)total_size / 1024, ti1, bitrate);
1017 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1018 nb_frames_dup, nb_frames_drop);
1021 fprintf(stderr, "%s \r", buf);
1026 if (is_last_report && verbose >= 0){
1027 int64_t raw= audio_size + video_size + extra_size;
1028 fprintf(stderr, "\n");
1029 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1033 100.0*(total_size - raw)/raw
1038 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1039 static int output_packet(AVInputStream *ist, int ist_index,
1040 AVOutputStream **ost_table, int nb_ostreams,
1041 const AVPacket *pkt)
1043 AVFormatContext *os;
1044 AVOutputStream *ost;
1048 int data_size, got_picture;
1050 void *buffer_to_free;
1051 static unsigned int samples_size= 0;
1052 static short *samples= NULL;
1053 AVSubtitle subtitle, *subtitle_to_free;
1057 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1058 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1059 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1061 // assert(ist->pts == ist->next_pts);
1075 /* decode the packet if needed */
1076 data_buf = NULL; /* fail safe */
1078 subtitle_to_free = NULL;
1079 if (ist->decoding_needed) {
1080 switch(ist->st->codec->codec_type) {
1081 case CODEC_TYPE_AUDIO:{
1083 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1084 data_size= samples_size;
1085 /* XXX: could avoid copy if PCM 16 bits with same
1086 endianness as CPU */
1087 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1093 /* Some bug in mpeg audio decoder gives */
1094 /* data_size < 0, it seems they are overflows */
1095 if (data_size <= 0) {
1096 /* no audio frame */
1099 data_buf = (uint8_t *)samples;
1100 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1101 (ist->st->codec->sample_rate * ist->st->codec->channels);
1103 case CODEC_TYPE_VIDEO:
1104 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1105 /* XXX: allocate picture correctly */
1106 avcodec_get_frame_defaults(&picture);
1108 ret = avcodec_decode_video(ist->st->codec,
1109 &picture, &got_picture, ptr, len);
1110 ist->st->quality= picture.quality;
1114 /* no picture yet */
1115 goto discard_packet;
1117 if (ist->st->codec->time_base.num != 0) {
1118 ist->next_pts += ((int64_t)AV_TIME_BASE *
1119 ist->st->codec->time_base.num) /
1120 ist->st->codec->time_base.den;
1124 case CODEC_TYPE_SUBTITLE:
1125 ret = avcodec_decode_subtitle(ist->st->codec,
1126 &subtitle, &got_subtitle, ptr, len);
1129 if (!got_subtitle) {
1130 goto discard_packet;
1132 subtitle_to_free = &subtitle;
1139 switch(ist->st->codec->codec_type) {
1140 case CODEC_TYPE_AUDIO:
1141 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1142 ist->st->codec->sample_rate;
1144 case CODEC_TYPE_VIDEO:
1145 if (ist->st->codec->time_base.num != 0) {
1146 ist->next_pts += ((int64_t)AV_TIME_BASE *
1147 ist->st->codec->time_base.num) /
1148 ist->st->codec->time_base.den;
1158 buffer_to_free = NULL;
1159 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1160 pre_process_video_frame(ist, (AVPicture *)&picture,
1164 // preprocess audio (volume)
1165 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1166 if (audio_volume != 256) {
1169 for(i=0;i<(data_size / sizeof(short));i++) {
1170 int v = ((*volp) * audio_volume + 128) >> 8;
1171 if (v < -32768) v = -32768;
1172 if (v > 32767) v = 32767;
1178 /* frame rate emulation */
1179 if (ist->st->codec->rate_emu) {
1180 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1181 int64_t now = av_gettime() - ist->start;
1189 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1190 is the one of the next displayed one */
1191 /* XXX: add mpeg4 too ? */
1192 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1193 if (ist->st->codec->pict_type != B_TYPE) {
1195 tmp = ist->last_ip_pts;
1196 ist->last_ip_pts = ist->frac_pts.val;
1197 ist->frac_pts.val = tmp;
1201 /* if output time reached then transcode raw format,
1202 encode packets and output them */
1203 if (start_time == 0 || ist->pts >= start_time)
1204 for(i=0;i<nb_ostreams;i++) {
1208 if (ost->source_index == ist_index) {
1209 os = output_files[ost->file_index];
1212 printf("%d: got pts=%0.3f %0.3f\n", i,
1213 (double)pkt->pts / AV_TIME_BASE,
1214 ((double)ist->pts / AV_TIME_BASE) -
1215 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1217 /* set the input output pts pairs */
1218 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1220 if (ost->encoding_needed) {
1221 switch(ost->st->codec->codec_type) {
1222 case CODEC_TYPE_AUDIO:
1223 do_audio_out(os, ost, ist, data_buf, data_size);
1225 case CODEC_TYPE_VIDEO:
1226 do_video_out(os, ost, ist, &picture, &frame_size);
1227 video_size += frame_size;
1228 if (vstats_filename && frame_size)
1229 do_video_stats(os, ost, frame_size);
1231 case CODEC_TYPE_SUBTITLE:
1232 do_subtitle_out(os, ost, ist, &subtitle,
1239 AVFrame avframe; //FIXME/XXX remove this
1241 av_init_packet(&opkt);
1243 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1246 /* no reencoding needed : output the packet directly */
1247 /* force the input stream PTS */
1249 avcodec_get_frame_defaults(&avframe);
1250 ost->st->codec->coded_frame= &avframe;
1251 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1253 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1254 audio_size += data_size;
1255 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1256 video_size += data_size;
1260 opkt.stream_index= ost->index;
1261 if(pkt->pts != AV_NOPTS_VALUE)
1262 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1264 opkt.pts= AV_NOPTS_VALUE;
1266 if (pkt->dts == AV_NOPTS_VALUE)
1267 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1269 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1271 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1272 opkt.flags= pkt->flags;
1274 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1275 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1276 opkt.destruct= av_destruct_packet;
1278 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1279 ost->st->codec->frame_number++;
1280 ost->frame_number++;
1281 av_free_packet(&opkt);
1285 av_free(buffer_to_free);
1286 /* XXX: allocate the subtitles in the codec ? */
1287 if (subtitle_to_free) {
1288 if (subtitle_to_free->rects != NULL) {
1289 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1290 av_free(subtitle_to_free->rects[i].bitmap);
1291 av_free(subtitle_to_free->rects[i].rgba_palette);
1293 av_freep(&subtitle_to_free->rects);
1295 subtitle_to_free->num_rects = 0;
1296 subtitle_to_free = NULL;
1303 for(i=0;i<nb_ostreams;i++) {
1305 if (ost->source_index == ist_index) {
1306 AVCodecContext *enc= ost->st->codec;
1307 os = output_files[ost->file_index];
1309 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1311 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1314 if (ost->encoding_needed) {
1318 av_init_packet(&pkt);
1319 pkt.stream_index= ost->index;
1321 switch(ost->st->codec->codec_type) {
1322 case CODEC_TYPE_AUDIO:
1323 fifo_bytes = av_fifo_size(&ost->fifo);
1325 /* encode any samples remaining in fifo */
1326 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1327 int fs_tmp = enc->frame_size;
1328 enc->frame_size = fifo_bytes / (2 * enc->channels);
1329 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1330 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1332 enc->frame_size = fs_tmp;
1335 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1338 pkt.flags |= PKT_FLAG_KEY;
1340 case CODEC_TYPE_VIDEO:
1341 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1343 if(enc->coded_frame && enc->coded_frame->key_frame)
1344 pkt.flags |= PKT_FLAG_KEY;
1345 if (ost->logfile && enc->stats_out) {
1346 fprintf(ost->logfile, "%s", enc->stats_out);
1355 pkt.data= bit_buffer;
1357 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1358 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1359 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1371 static void print_sdp(AVFormatContext **avc, int n)
1375 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1376 printf("SDP:\n%s\n", sdp);
1379 static int stream_index_from_inputs(AVFormatContext **input_files,
1381 AVInputFile *file_table,
1382 AVInputStream **ist_table,
1383 enum CodecType type,
1387 for(z=0; z<nb_input_files; z++) {
1388 AVFormatContext *ic = input_files[z];
1389 for(p=0; p<ic->nb_programs; p++) {
1390 AVProgram *program = ic->programs[p];
1391 if(program->id != programid)
1393 for(q=0; q<program->nb_stream_indexes; q++) {
1394 int sidx = program->stream_index[q];
1395 int ris = file_table[z].ist_index + sidx;
1396 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1406 * The following code is the main loop of the file converter
1408 static int av_encode(AVFormatContext **output_files,
1409 int nb_output_files,
1410 AVFormatContext **input_files,
1412 AVStreamMap *stream_maps, int nb_stream_maps)
1414 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1415 AVFormatContext *is, *os;
1416 AVCodecContext *codec, *icodec;
1417 AVOutputStream *ost, **ost_table = NULL;
1418 AVInputStream *ist, **ist_table = NULL;
1419 AVInputFile *file_table;
1423 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1427 /* input stream init */
1429 for(i=0;i<nb_input_files;i++) {
1430 is = input_files[i];
1431 file_table[i].ist_index = j;
1432 file_table[i].nb_streams = is->nb_streams;
1433 j += is->nb_streams;
1437 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1441 for(i=0;i<nb_istreams;i++) {
1442 ist = av_mallocz(sizeof(AVInputStream));
1448 for(i=0;i<nb_input_files;i++) {
1449 is = input_files[i];
1450 for(k=0;k<is->nb_streams;k++) {
1451 ist = ist_table[j++];
1452 ist->st = is->streams[k];
1453 ist->file_index = i;
1455 ist->discard = 1; /* the stream is discarded by default
1458 if (ist->st->codec->rate_emu) {
1459 ist->start = av_gettime();
1465 /* output stream init */
1467 for(i=0;i<nb_output_files;i++) {
1468 os = output_files[i];
1469 if (!os->nb_streams) {
1470 fprintf(stderr, "Output file does not contain any stream\n");
1473 nb_ostreams += os->nb_streams;
1475 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1476 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1480 /* Sanity check the mapping args -- do the input files & streams exist? */
1481 for(i=0;i<nb_stream_maps;i++) {
1482 int fi = stream_maps[i].file_index;
1483 int si = stream_maps[i].stream_index;
1485 if (fi < 0 || fi > nb_input_files - 1 ||
1486 si < 0 || si > file_table[fi].nb_streams - 1) {
1487 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1490 fi = stream_maps[i].sync_file_index;
1491 si = stream_maps[i].sync_stream_index;
1492 if (fi < 0 || fi > nb_input_files - 1 ||
1493 si < 0 || si > file_table[fi].nb_streams - 1) {
1494 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1499 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1502 for(i=0;i<nb_ostreams;i++) {
1503 ost = av_mallocz(sizeof(AVOutputStream));
1510 for(k=0;k<nb_output_files;k++) {
1511 os = output_files[k];
1512 for(i=0;i<os->nb_streams;i++) {
1514 ost = ost_table[n++];
1515 ost->file_index = k;
1517 ost->st = os->streams[i];
1518 if (nb_stream_maps > 0) {
1519 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1520 stream_maps[n-1].stream_index;
1522 /* Sanity check that the stream types match */
1523 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1524 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1525 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1526 ost->file_index, ost->index);
1533 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1535 ost->source_index = j;
1539 /* get corresponding input stream index : we select the first one with the right type */
1541 for(j=0;j<nb_istreams;j++) {
1544 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1545 ost->source_index = j;
1553 if(! opt_programid) {
1554 /* try again and reuse existing stream */
1555 for(j=0;j<nb_istreams;j++) {
1557 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1558 ost->source_index = j;
1564 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1565 ost->file_index, ost->index);
1570 ist = ist_table[ost->source_index];
1572 ost->sync_ist = (nb_stream_maps > 0) ?
1573 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1574 stream_maps[n-1].sync_stream_index] : ist;
1578 /* for each output stream, we compute the right encoding parameters */
1579 for(i=0;i<nb_ostreams;i++) {
1581 os = output_files[ost->file_index];
1582 ist = ist_table[ost->source_index];
1584 codec = ost->st->codec;
1585 icodec = ist->st->codec;
1587 if (!ost->st->language[0])
1588 av_strlcpy(ost->st->language, ist->st->language,
1589 sizeof(ost->st->language));
1591 if (ost->st->stream_copy) {
1592 /* if stream_copy is selected, no need to decode or encode */
1593 codec->codec_id = icodec->codec_id;
1594 codec->codec_type = icodec->codec_type;
1596 if(!codec->codec_tag){
1597 if( !os->oformat->codec_tag
1598 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1599 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1600 codec->codec_tag = icodec->codec_tag;
1603 codec->bit_rate = icodec->bit_rate;
1604 codec->extradata= icodec->extradata;
1605 codec->extradata_size= icodec->extradata_size;
1606 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1607 codec->time_base = icodec->time_base;
1609 codec->time_base = ist->st->time_base;
1610 switch(codec->codec_type) {
1611 case CODEC_TYPE_AUDIO:
1612 codec->sample_rate = icodec->sample_rate;
1613 codec->channels = icodec->channels;
1614 codec->frame_size = icodec->frame_size;
1615 codec->block_align= icodec->block_align;
1616 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1617 codec->block_align= 0;
1619 case CODEC_TYPE_VIDEO:
1621 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1624 codec->pix_fmt = icodec->pix_fmt;
1625 codec->width = icodec->width;
1626 codec->height = icodec->height;
1627 codec->has_b_frames = icodec->has_b_frames;
1629 case CODEC_TYPE_SUBTITLE:
1635 switch(codec->codec_type) {
1636 case CODEC_TYPE_AUDIO:
1637 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1639 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1640 icodec->request_channels = codec->channels;
1641 ist->decoding_needed = 1;
1642 ost->encoding_needed = 1;
1644 case CODEC_TYPE_VIDEO:
1645 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1646 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1647 ost->video_resample = ((codec->width != icodec->width -
1648 (frame_leftBand + frame_rightBand) +
1649 (frame_padleft + frame_padright)) ||
1650 (codec->height != icodec->height -
1651 (frame_topBand + frame_bottomBand) +
1652 (frame_padtop + frame_padbottom)) ||
1653 (codec->pix_fmt != icodec->pix_fmt));
1654 if (ost->video_crop) {
1655 ost->topBand = frame_topBand;
1656 ost->leftBand = frame_leftBand;
1658 if (ost->video_pad) {
1659 ost->padtop = frame_padtop;
1660 ost->padleft = frame_padleft;
1661 ost->padbottom = frame_padbottom;
1662 ost->padright = frame_padright;
1663 if (!ost->video_resample) {
1664 avcodec_get_frame_defaults(&ost->pict_tmp);
1665 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1666 codec->width, codec->height ) )
1670 if (ost->video_resample) {
1671 avcodec_get_frame_defaults(&ost->pict_tmp);
1672 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1673 codec->width, codec->height ) ) {
1674 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1677 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1678 ost->img_resample_ctx = sws_getContext(
1679 icodec->width - (frame_leftBand + frame_rightBand),
1680 icodec->height - (frame_topBand + frame_bottomBand),
1682 codec->width - (frame_padleft + frame_padright),
1683 codec->height - (frame_padtop + frame_padbottom),
1685 sws_flags, NULL, NULL, NULL);
1686 if (ost->img_resample_ctx == NULL) {
1687 fprintf(stderr, "Cannot get resampling context\n");
1690 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1692 ost->encoding_needed = 1;
1693 ist->decoding_needed = 1;
1695 case CODEC_TYPE_SUBTITLE:
1696 ost->encoding_needed = 1;
1697 ist->decoding_needed = 1;
1704 if (ost->encoding_needed &&
1705 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1706 char logfilename[1024];
1711 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1713 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1714 if (codec->flags & CODEC_FLAG_PASS1) {
1715 f = fopen(logfilename, "w");
1717 perror(logfilename);
1722 /* read the log file */
1723 f = fopen(logfilename, "r");
1725 perror(logfilename);
1728 fseek(f, 0, SEEK_END);
1730 fseek(f, 0, SEEK_SET);
1731 logbuffer = av_malloc(size + 1);
1733 fprintf(stderr, "Could not allocate log buffer\n");
1736 size = fread(logbuffer, 1, size, f);
1738 logbuffer[size] = '\0';
1739 codec->stats_in = logbuffer;
1743 if(codec->codec_type == CODEC_TYPE_VIDEO){
1744 int size= codec->width * codec->height;
1745 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1750 bit_buffer = av_malloc(bit_buffer_size);
1754 /* dump the file output parameters - cannot be done before in case
1756 for(i=0;i<nb_output_files;i++) {
1757 dump_format(output_files[i], i, output_files[i]->filename, 1);
1760 /* dump the stream mapping */
1762 fprintf(stderr, "Stream mapping:\n");
1763 for(i=0;i<nb_ostreams;i++) {
1765 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1766 ist_table[ost->source_index]->file_index,
1767 ist_table[ost->source_index]->index,
1770 if (ost->sync_ist != ist_table[ost->source_index])
1771 fprintf(stderr, " [sync #%d.%d]",
1772 ost->sync_ist->file_index,
1773 ost->sync_ist->index);
1774 fprintf(stderr, "\n");
1778 /* open each encoder */
1779 for(i=0;i<nb_ostreams;i++) {
1781 if (ost->encoding_needed) {
1783 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1785 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1786 ost->file_index, ost->index);
1789 if (avcodec_open(ost->st->codec, codec) < 0) {
1790 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1791 ost->file_index, ost->index);
1794 extra_size += ost->st->codec->extradata_size;
1798 /* open each decoder */
1799 for(i=0;i<nb_istreams;i++) {
1801 if (ist->decoding_needed) {
1803 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1805 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1806 ist->st->codec->codec_id, ist->file_index, ist->index);
1809 if (avcodec_open(ist->st->codec, codec) < 0) {
1810 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1811 ist->file_index, ist->index);
1814 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1815 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1820 for(i=0;i<nb_istreams;i++) {
1822 is = input_files[ist->file_index];
1825 if( input_files_ts_offset[ist->file_index] != -is->start_time
1826 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1827 ist->next_pts= AV_NOPTS_VALUE;
1831 /* set meta data information from input file if required */
1832 for (i=0;i<nb_meta_data_maps;i++) {
1833 AVFormatContext *out_file;
1834 AVFormatContext *in_file;
1836 int out_file_index = meta_data_maps[i].out_file;
1837 int in_file_index = meta_data_maps[i].in_file;
1838 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1839 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1840 ret = AVERROR(EINVAL);
1843 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1844 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1845 ret = AVERROR(EINVAL);
1849 out_file = output_files[out_file_index];
1850 in_file = input_files[in_file_index];
1852 strcpy(out_file->title, in_file->title);
1853 strcpy(out_file->author, in_file->author);
1854 strcpy(out_file->copyright, in_file->copyright);
1855 strcpy(out_file->comment, in_file->comment);
1856 strcpy(out_file->album, in_file->album);
1857 out_file->year = in_file->year;
1858 out_file->track = in_file->track;
1859 strcpy(out_file->genre, in_file->genre);
1862 /* open files and write file headers */
1863 for(i=0;i<nb_output_files;i++) {
1864 os = output_files[i];
1865 if (av_write_header(os) < 0) {
1866 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1867 ret = AVERROR(EINVAL);
1870 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1875 print_sdp(output_files, nb_output_files);
1878 if ( !using_stdin && verbose >= 0) {
1879 fprintf(stderr, "Press [q] to stop encoding\n");
1880 url_set_interrupt_cb(decode_interrupt_cb);
1885 timer_start = av_gettime();
1887 for(; received_sigterm == 0;) {
1888 int file_index, ist_index;
1896 /* if 'q' pressed, exits */
1900 /* read_key() returns 0 on EOF */
1906 /* select the stream that we must read now by looking at the
1907 smallest output pts */
1909 for(i=0;i<nb_ostreams;i++) {
1912 os = output_files[ost->file_index];
1913 ist = ist_table[ost->source_index];
1914 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1915 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1917 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1918 ipts = (double)ist->pts;
1919 if (!file_table[ist->file_index].eof_reached){
1920 if(ipts < ipts_min) {
1922 if(input_sync ) file_index = ist->file_index;
1924 if(opts < opts_min) {
1926 if(!input_sync) file_index = ist->file_index;
1929 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1934 /* if none, if is finished */
1935 if (file_index < 0) {
1939 /* finish if recording time exhausted */
1940 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1943 /* finish if limit size exhausted */
1944 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1947 /* read a frame from it and output it in the fifo */
1948 is = input_files[file_index];
1949 if (av_read_frame(is, &pkt) < 0) {
1950 file_table[file_index].eof_reached = 1;
1958 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1960 /* the following test is needed in case new streams appear
1961 dynamically in stream : we ignore them */
1962 if (pkt.stream_index >= file_table[file_index].nb_streams)
1963 goto discard_packet;
1964 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1965 ist = ist_table[ist_index];
1967 goto discard_packet;
1969 if (pkt.dts != AV_NOPTS_VALUE)
1970 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1971 if (pkt.pts != AV_NOPTS_VALUE)
1972 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1974 // 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);
1975 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1976 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1977 int64_t delta= pkt_dts - ist->next_pts;
1978 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1979 input_files_ts_offset[ist->file_index]-= delta;
1981 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1982 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1983 if(pkt.pts != AV_NOPTS_VALUE)
1984 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1988 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1989 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1992 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1993 ist->file_index, ist->index);
1995 av_free_packet(&pkt);
2000 av_free_packet(&pkt);
2002 /* dump report by using the output first video and audio streams */
2003 print_report(output_files, ost_table, nb_ostreams, 0);
2006 /* at the end of stream, we must flush the decoder buffers */
2007 for(i=0;i<nb_istreams;i++) {
2009 if (ist->decoding_needed) {
2010 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2016 /* write the trailer if needed and close file */
2017 for(i=0;i<nb_output_files;i++) {
2018 os = output_files[i];
2019 av_write_trailer(os);
2022 /* dump report by using the first video and audio streams */
2023 print_report(output_files, ost_table, nb_ostreams, 1);
2025 /* close each encoder */
2026 for(i=0;i<nb_ostreams;i++) {
2028 if (ost->encoding_needed) {
2029 av_freep(&ost->st->codec->stats_in);
2030 avcodec_close(ost->st->codec);
2034 /* close each decoder */
2035 for(i=0;i<nb_istreams;i++) {
2037 if (ist->decoding_needed) {
2038 avcodec_close(ist->st->codec);
2046 av_freep(&bit_buffer);
2047 av_free(file_table);
2050 for(i=0;i<nb_istreams;i++) {
2057 for(i=0;i<nb_ostreams;i++) {
2061 fclose(ost->logfile);
2062 ost->logfile = NULL;
2064 av_fifo_free(&ost->fifo); /* works even if fifo is not
2065 initialized but set to zero */
2066 av_free(ost->pict_tmp.data[0]);
2067 if (ost->video_resample)
2068 sws_freeContext(ost->img_resample_ctx);
2070 audio_resample_close(ost->resample);
2078 ret = AVERROR(ENOMEM);
2083 int file_read(const char *filename)
2086 unsigned char buffer[1024];
2089 if (url_open(&h, filename, O_RDONLY) < 0) {
2090 printf("could not open '%s'\n", filename);
2094 len = url_read(h, buffer, sizeof(buffer));
2097 for(i=0;i<len;i++) putchar(buffer[i]);
2104 static void opt_format(const char *arg)
2106 /* compatibility stuff for pgmyuv */
2107 if (!strcmp(arg, "pgmyuv")) {
2108 pgmyuv_compatibility_hack=1;
2109 // opt_image_format(arg);
2111 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2114 file_iformat = av_find_input_format(arg);
2115 file_oformat = guess_format(arg, NULL, NULL);
2116 if (!file_iformat && !file_oformat) {
2117 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2122 extern int ffm_nopts;
2124 static int opt_default(const char *opt, const char *arg){
2126 const AVOption *o= NULL;
2127 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2129 for(type=0; type<CODEC_TYPE_NB; type++){
2130 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2132 o = av_set_string(avctx_opts[type], opt, arg);
2135 o = av_set_string(avformat_opts, opt, arg);
2137 o = av_set_string(sws_opts, opt, arg);
2140 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2141 else if(opt[0] == 'v')
2142 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2143 else if(opt[0] == 's')
2144 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2149 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2151 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2152 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2153 opt_names[opt_name_count++]= o->name;
2155 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2156 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2157 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2161 if(avctx_opts[0]->debug)
2162 av_log_set_level(AV_LOG_DEBUG);
2166 static void opt_video_rc_override_string(const char *arg)
2168 video_rc_override_string = arg;
2171 static void opt_me_threshold(const char *arg)
2173 me_threshold = atoi(arg);
2176 static void opt_verbose(const char *arg)
2178 verbose = atoi(arg);
2179 av_log_set_level(atoi(arg));
2182 static void opt_frame_rate(const char *arg)
2184 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2185 fprintf(stderr, "Incorrect frame rate\n");
2190 static int opt_bitrate(const char *opt, const char *arg)
2192 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2194 opt_default(opt, arg);
2196 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2197 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2202 static void opt_frame_crop_top(const char *arg)
2204 frame_topBand = atoi(arg);
2205 if (frame_topBand < 0) {
2206 fprintf(stderr, "Incorrect top crop size\n");
2209 if ((frame_topBand % 2) != 0) {
2210 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2213 if ((frame_topBand) >= frame_height){
2214 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2217 frame_height -= frame_topBand;
2220 static void opt_frame_crop_bottom(const char *arg)
2222 frame_bottomBand = atoi(arg);
2223 if (frame_bottomBand < 0) {
2224 fprintf(stderr, "Incorrect bottom crop size\n");
2227 if ((frame_bottomBand % 2) != 0) {
2228 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2231 if ((frame_bottomBand) >= frame_height){
2232 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2235 frame_height -= frame_bottomBand;
2238 static void opt_frame_crop_left(const char *arg)
2240 frame_leftBand = atoi(arg);
2241 if (frame_leftBand < 0) {
2242 fprintf(stderr, "Incorrect left crop size\n");
2245 if ((frame_leftBand % 2) != 0) {
2246 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2249 if ((frame_leftBand) >= frame_width){
2250 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2253 frame_width -= frame_leftBand;
2256 static void opt_frame_crop_right(const char *arg)
2258 frame_rightBand = atoi(arg);
2259 if (frame_rightBand < 0) {
2260 fprintf(stderr, "Incorrect right crop size\n");
2263 if ((frame_rightBand % 2) != 0) {
2264 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2267 if ((frame_rightBand) >= frame_width){
2268 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2271 frame_width -= frame_rightBand;
2274 static void opt_frame_size(const char *arg)
2276 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2277 fprintf(stderr, "Incorrect frame size\n");
2280 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2281 fprintf(stderr, "Frame size must be a multiple of 2\n");
2287 #define SCALEBITS 10
2288 #define ONE_HALF (1 << (SCALEBITS - 1))
2289 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2291 #define RGB_TO_Y(r, g, b) \
2292 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2293 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2295 #define RGB_TO_U(r1, g1, b1, shift)\
2296 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2297 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2299 #define RGB_TO_V(r1, g1, b1, shift)\
2300 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2301 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2303 static void opt_pad_color(const char *arg) {
2304 /* Input is expected to be six hex digits similar to
2305 how colors are expressed in html tags (but without the #) */
2306 int rgb = strtol(arg, NULL, 16);
2310 g = ((rgb >> 8) & 255);
2313 padcolor[0] = RGB_TO_Y(r,g,b);
2314 padcolor[1] = RGB_TO_U(r,g,b,0);
2315 padcolor[2] = RGB_TO_V(r,g,b,0);
2318 static void opt_frame_pad_top(const char *arg)
2320 frame_padtop = atoi(arg);
2321 if (frame_padtop < 0) {
2322 fprintf(stderr, "Incorrect top pad size\n");
2325 if ((frame_padtop % 2) != 0) {
2326 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2331 static void opt_frame_pad_bottom(const char *arg)
2333 frame_padbottom = atoi(arg);
2334 if (frame_padbottom < 0) {
2335 fprintf(stderr, "Incorrect bottom pad size\n");
2338 if ((frame_padbottom % 2) != 0) {
2339 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2345 static void opt_frame_pad_left(const char *arg)
2347 frame_padleft = atoi(arg);
2348 if (frame_padleft < 0) {
2349 fprintf(stderr, "Incorrect left pad size\n");
2352 if ((frame_padleft % 2) != 0) {
2353 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2359 static void opt_frame_pad_right(const char *arg)
2361 frame_padright = atoi(arg);
2362 if (frame_padright < 0) {
2363 fprintf(stderr, "Incorrect right pad size\n");
2366 if ((frame_padright % 2) != 0) {
2367 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2372 void list_pix_fmts(void)
2375 char pix_fmt_str[128];
2376 for (i=-1; i < PIX_FMT_NB; i++) {
2377 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2378 fprintf(stdout, "%s\n", pix_fmt_str);
2382 static void opt_frame_pix_fmt(const char *arg)
2384 if (strcmp(arg, "list"))
2385 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2392 static void opt_frame_aspect_ratio(const char *arg)
2399 p = strchr(arg, ':');
2401 x = strtol(arg, &end, 10);
2403 y = strtol(end+1, &end, 10);
2405 ar = (double)x / (double)y;
2407 ar = strtod(arg, NULL);
2410 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2413 frame_aspect_ratio = ar;
2416 static void opt_qscale(const char *arg)
2418 video_qscale = atof(arg);
2419 if (video_qscale <= 0 ||
2420 video_qscale > 255) {
2421 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2426 static void opt_qdiff(const char *arg)
2428 video_qdiff = atoi(arg);
2429 if (video_qdiff < 0 ||
2431 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2436 static void opt_strict(const char *arg)
2441 static void opt_top_field_first(const char *arg)
2443 top_field_first= atoi(arg);
2446 static void opt_thread_count(const char *arg)
2448 thread_count= atoi(arg);
2449 #if !defined(HAVE_THREADS)
2451 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2455 static void opt_audio_rate(const char *arg)
2457 audio_sample_rate = atoi(arg);
2460 static void opt_audio_channels(const char *arg)
2462 audio_channels = atoi(arg);
2465 static void opt_video_channel(const char *arg)
2467 video_channel = strtol(arg, NULL, 0);
2470 static void opt_video_standard(const char *arg)
2472 video_standard = av_strdup(arg);
2475 static void opt_codec(int *pstream_copy, char **pcodec_name,
2476 int codec_type, const char *arg)
2478 av_freep(pcodec_name);
2479 if (!strcmp(arg, "copy")) {
2482 *pcodec_name = av_strdup(arg);
2486 static void opt_audio_codec(const char *arg)
2488 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2491 static void opt_audio_tag(const char *arg)
2494 audio_codec_tag= strtol(arg, &tail, 0);
2497 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2500 static void opt_video_tag(const char *arg)
2503 video_codec_tag= strtol(arg, &tail, 0);
2506 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2510 static void add_frame_hooker(const char *arg)
2515 char *args = av_strdup(arg);
2519 argv[0] = strtok(args, " ");
2520 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2523 i = frame_hook_add(argc, argv);
2526 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2532 static void opt_video_codec(const char *arg)
2534 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2537 static void opt_subtitle_codec(const char *arg)
2539 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2542 static void opt_map(const char *arg)
2547 m = &stream_maps[nb_stream_maps++];
2549 m->file_index = strtol(arg, &p, 0);
2553 m->stream_index = strtol(p, &p, 0);
2556 m->sync_file_index = strtol(p, &p, 0);
2559 m->sync_stream_index = strtol(p, &p, 0);
2561 m->sync_file_index = m->file_index;
2562 m->sync_stream_index = m->stream_index;
2566 static void opt_map_meta_data(const char *arg)
2571 m = &meta_data_maps[nb_meta_data_maps++];
2573 m->out_file = strtol(arg, &p, 0);
2577 m->in_file = strtol(p, &p, 0);
2580 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2582 int64_t us = parse_date(timestr, is_duration);
2583 if (us == INT64_MIN) {
2584 fprintf(stderr, "Invalid %s specification: %s\n",
2585 is_duration ? "duration" : "date", timestr);
2591 static void opt_recording_time(const char *arg)
2593 recording_time = parse_time_or_die(arg, 1);
2596 static void opt_start_time(const char *arg)
2598 start_time = parse_time_or_die(arg, 1);
2601 static void opt_rec_timestamp(const char *arg)
2603 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2606 static void opt_input_ts_offset(const char *arg)
2608 input_ts_offset = parse_time_or_die(arg, 1);
2611 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2613 const char *codec_string = encoder ? "encoder" : "decoder";
2617 return CODEC_ID_NONE;
2619 avcodec_find_encoder_by_name(name) :
2620 avcodec_find_decoder_by_name(name);
2622 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2625 if(codec->type != type) {
2626 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2632 static void opt_input_file(const char *filename)
2634 AVFormatContext *ic;
2635 AVFormatParameters params, *ap = ¶ms;
2636 int err, i, ret, rfps, rfps_base;
2639 if (!strcmp(filename, "-"))
2642 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2643 !strcmp( filename, "/dev/stdin" );
2645 /* get default parameters from command line */
2646 ic = av_alloc_format_context();
2648 memset(ap, 0, sizeof(*ap));
2649 ap->prealloced_context = 1;
2650 ap->sample_rate = audio_sample_rate;
2651 ap->channels = audio_channels;
2652 ap->time_base.den = frame_rate.num;
2653 ap->time_base.num = frame_rate.den;
2654 ap->width = frame_width + frame_padleft + frame_padright;
2655 ap->height = frame_height + frame_padtop + frame_padbottom;
2656 ap->pix_fmt = frame_pix_fmt;
2657 ap->channel = video_channel;
2658 ap->standard = video_standard;
2659 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2660 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2661 if(pgmyuv_compatibility_hack)
2662 ap->video_codec_id= CODEC_ID_PGMYUV;
2664 for(i=0; i<opt_name_count; i++){
2666 const AVOption *opt;
2667 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2668 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2669 av_set_string(ic, opt_names[i], str);
2672 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2673 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2674 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2676 /* open the input file with generic libav function */
2677 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2679 print_error(filename, err);
2684 for(i=0; i<ic->nb_programs; i++)
2685 if(ic->programs[i]->id != opt_programid)
2686 ic->programs[i]->discard = AVDISCARD_ALL;
2689 ic->loop_input = loop_input;
2691 /* If not enough info to get the stream parameters, we decode the
2692 first frames to get it. (used in mpeg case for example) */
2693 ret = av_find_stream_info(ic);
2694 if (ret < 0 && verbose >= 0) {
2695 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2699 timestamp = start_time;
2700 /* add the stream start time */
2701 if (ic->start_time != AV_NOPTS_VALUE)
2702 timestamp += ic->start_time;
2704 /* if seeking requested, we execute it */
2705 if (start_time != 0) {
2706 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2708 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2709 filename, (double)timestamp / AV_TIME_BASE);
2711 /* reset seek info */
2715 /* update the current parameters so that they match the one of the input stream */
2716 for(i=0;i<ic->nb_streams;i++) {
2718 AVCodecContext *enc = ic->streams[i]->codec;
2720 avcodec_thread_init(enc, thread_count);
2721 enc->thread_count= thread_count;
2722 switch(enc->codec_type) {
2723 case CODEC_TYPE_AUDIO:
2724 for(j=0; j<opt_name_count; j++){
2726 const AVOption *opt;
2727 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2728 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2729 av_set_string(enc, opt_names[j], str);
2731 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2732 audio_channels = enc->channels;
2733 audio_sample_rate = enc->sample_rate;
2735 ic->streams[i]->discard= AVDISCARD_ALL;
2737 case CODEC_TYPE_VIDEO:
2738 for(j=0; j<opt_name_count; j++){
2740 const AVOption *opt;
2741 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2742 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2743 av_set_string(enc, opt_names[j], str);
2745 frame_height = enc->height;
2746 frame_width = enc->width;
2747 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2748 frame_pix_fmt = enc->pix_fmt;
2749 rfps = ic->streams[i]->r_frame_rate.num;
2750 rfps_base = ic->streams[i]->r_frame_rate.den;
2751 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2753 enc->debug |= FF_DEBUG_MV;
2755 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2758 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2759 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2761 (float)rfps / rfps_base, rfps, rfps_base);
2763 /* update the current frame rate to match the stream frame rate */
2764 frame_rate.num = rfps;
2765 frame_rate.den = rfps_base;
2767 enc->rate_emu = rate_emu;
2769 ic->streams[i]->discard= AVDISCARD_ALL;
2770 else if(video_discard)
2771 ic->streams[i]->discard= video_discard;
2773 case CODEC_TYPE_DATA:
2775 case CODEC_TYPE_SUBTITLE:
2776 if(subtitle_disable)
2777 ic->streams[i]->discard = AVDISCARD_ALL;
2779 case CODEC_TYPE_ATTACHMENT:
2780 case CODEC_TYPE_UNKNOWN:
2787 input_files[nb_input_files] = ic;
2788 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2789 /* dump the file content */
2791 dump_format(ic, nb_input_files, filename, 0);
2794 file_iformat = NULL;
2795 file_oformat = NULL;
2800 av_freep(&video_codec_name);
2801 av_freep(&audio_codec_name);
2802 av_freep(&subtitle_codec_name);
2805 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2806 int *has_subtitle_ptr)
2808 int has_video, has_audio, has_subtitle, i, j;
2809 AVFormatContext *ic;
2814 for(j=0;j<nb_input_files;j++) {
2815 ic = input_files[j];
2816 for(i=0;i<ic->nb_streams;i++) {
2817 AVCodecContext *enc = ic->streams[i]->codec;
2818 switch(enc->codec_type) {
2819 case CODEC_TYPE_AUDIO:
2822 case CODEC_TYPE_VIDEO:
2825 case CODEC_TYPE_SUBTITLE:
2828 case CODEC_TYPE_DATA:
2829 case CODEC_TYPE_ATTACHMENT:
2830 case CODEC_TYPE_UNKNOWN:
2837 *has_video_ptr = has_video;
2838 *has_audio_ptr = has_audio;
2839 *has_subtitle_ptr = has_subtitle;
2842 static void new_video_stream(AVFormatContext *oc)
2845 AVCodecContext *video_enc;
2848 st = av_new_stream(oc, oc->nb_streams);
2850 fprintf(stderr, "Could not alloc stream\n");
2853 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2854 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2855 video_bitstream_filters= NULL;
2858 avcodec_thread_init(st->codec, thread_count);
2860 video_enc = st->codec;
2863 video_enc->codec_tag= video_codec_tag;
2865 if( (video_global_header&1)
2866 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2867 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2868 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2870 if(video_global_header&2){
2871 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2872 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2875 if (video_stream_copy) {
2876 st->stream_copy = 1;
2877 video_enc->codec_type = CODEC_TYPE_VIDEO;
2882 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2884 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2885 if (video_codec_name)
2886 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2888 video_enc->codec_id = codec_id;
2889 codec = avcodec_find_encoder(codec_id);
2891 for(i=0; i<opt_name_count; i++){
2893 const AVOption *opt;
2894 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2895 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2896 av_set_string(video_enc, opt_names[i], str);
2899 video_enc->time_base.den = fps.num;
2900 video_enc->time_base.num = fps.den;
2901 if(codec && codec->supported_framerates){
2902 const AVRational *p= codec->supported_framerates;
2903 const AVRational *best=NULL;
2904 AVRational best_error= (AVRational){INT_MAX, 1};
2905 for(; p->den!=0; p++){
2906 AVRational error= av_sub_q(fps, *p);
2907 if(error.num <0) error.num *= -1;
2908 if(av_cmp_q(error, best_error) < 0){
2913 video_enc->time_base.den= best->num;
2914 video_enc->time_base.num= best->den;
2917 video_enc->width = frame_width + frame_padright + frame_padleft;
2918 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2919 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2920 video_enc->pix_fmt = frame_pix_fmt;
2922 if(codec && codec->pix_fmts){
2923 const enum PixelFormat *p= codec->pix_fmts;
2925 if(*p == video_enc->pix_fmt)
2929 video_enc->pix_fmt = codec->pix_fmts[0];
2933 video_enc->gop_size = 0;
2934 if (video_qscale || same_quality) {
2935 video_enc->flags |= CODEC_FLAG_QSCALE;
2936 video_enc->global_quality=
2937 st->quality = FF_QP2LAMBDA * video_qscale;
2941 video_enc->intra_matrix = intra_matrix;
2943 video_enc->inter_matrix = inter_matrix;
2945 video_enc->max_qdiff = video_qdiff;
2946 video_enc->thread_count = thread_count;
2947 p= video_rc_override_string;
2950 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2952 fprintf(stderr, "error parsing rc_override\n");
2955 video_enc->rc_override=
2956 av_realloc(video_enc->rc_override,
2957 sizeof(RcOverride)*(i+1));
2958 video_enc->rc_override[i].start_frame= start;
2959 video_enc->rc_override[i].end_frame = end;
2961 video_enc->rc_override[i].qscale= q;
2962 video_enc->rc_override[i].quality_factor= 1.0;
2965 video_enc->rc_override[i].qscale= 0;
2966 video_enc->rc_override[i].quality_factor= -q/100.0;
2971 video_enc->rc_override_count=i;
2972 if (!video_enc->rc_initial_buffer_occupancy)
2973 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2974 video_enc->me_threshold= me_threshold;
2975 video_enc->intra_dc_precision= intra_dc_precision - 8;
2976 video_enc->strict_std_compliance = strict;
2979 video_enc->flags|= CODEC_FLAG_PSNR;
2984 video_enc->flags |= CODEC_FLAG_PASS1;
2986 video_enc->flags |= CODEC_FLAG_PASS2;
2991 /* reset some key parameters */
2993 av_freep(&video_codec_name);
2994 video_stream_copy = 0;
2997 static void new_audio_stream(AVFormatContext *oc)
3000 AVCodecContext *audio_enc;
3003 st = av_new_stream(oc, oc->nb_streams);
3005 fprintf(stderr, "Could not alloc stream\n");
3008 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3010 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3011 audio_bitstream_filters= NULL;
3014 avcodec_thread_init(st->codec, thread_count);
3016 audio_enc = st->codec;
3017 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3018 audio_enc->strict_std_compliance = strict;
3021 audio_enc->codec_tag= audio_codec_tag;
3023 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3024 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3025 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3027 if (audio_stream_copy) {
3028 st->stream_copy = 1;
3029 audio_enc->channels = audio_channels;
3031 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3033 for(i=0; i<opt_name_count; i++){
3035 const AVOption *opt;
3036 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3037 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3038 av_set_string(audio_enc, opt_names[i], str);
3041 if (audio_codec_name)
3042 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3043 audio_enc->codec_id = codec_id;
3045 if (audio_qscale > QSCALE_NONE) {
3046 audio_enc->flags |= CODEC_FLAG_QSCALE;
3047 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3049 audio_enc->thread_count = thread_count;
3050 audio_enc->channels = audio_channels;
3052 audio_enc->sample_rate = audio_sample_rate;
3053 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3054 if (audio_language) {
3055 av_strlcpy(st->language, audio_language, sizeof(st->language));
3056 av_free(audio_language);
3057 audio_language = NULL;
3060 /* reset some key parameters */
3062 av_freep(&audio_codec_name);
3063 audio_stream_copy = 0;
3066 static void new_subtitle_stream(AVFormatContext *oc)
3069 AVCodecContext *subtitle_enc;
3072 st = av_new_stream(oc, oc->nb_streams);
3074 fprintf(stderr, "Could not alloc stream\n");
3077 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3079 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3080 subtitle_bitstream_filters= NULL;
3082 subtitle_enc = st->codec;
3083 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3084 if (subtitle_stream_copy) {
3085 st->stream_copy = 1;
3087 for(i=0; i<opt_name_count; i++){
3089 const AVOption *opt;
3090 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3091 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3092 av_set_string(subtitle_enc, opt_names[i], str);
3094 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3097 if (subtitle_language) {
3098 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3099 av_free(subtitle_language);
3100 subtitle_language = NULL;
3103 subtitle_disable = 0;
3104 av_freep(&subtitle_codec_name);
3105 subtitle_stream_copy = 0;
3108 static void opt_new_audio_stream(void)
3110 AVFormatContext *oc;
3111 if (nb_output_files <= 0) {
3112 fprintf(stderr, "At least one output file must be specified\n");
3115 oc = output_files[nb_output_files - 1];
3116 new_audio_stream(oc);
3119 static void opt_new_video_stream(void)
3121 AVFormatContext *oc;
3122 if (nb_output_files <= 0) {
3123 fprintf(stderr, "At least one output file must be specified\n");
3126 oc = output_files[nb_output_files - 1];
3127 new_video_stream(oc);
3130 static void opt_new_subtitle_stream(void)
3132 AVFormatContext *oc;
3133 if (nb_output_files <= 0) {
3134 fprintf(stderr, "At least one output file must be specified\n");
3137 oc = output_files[nb_output_files - 1];
3138 new_subtitle_stream(oc);
3141 static void opt_output_file(const char *filename)
3143 AVFormatContext *oc;
3144 int use_video, use_audio, use_subtitle;
3145 int input_has_video, input_has_audio, input_has_subtitle, i;
3146 AVFormatParameters params, *ap = ¶ms;
3148 if (!strcmp(filename, "-"))
3151 oc = av_alloc_format_context();
3153 if (!file_oformat) {
3154 file_oformat = guess_format(NULL, filename, NULL);
3155 if (!file_oformat) {
3156 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3162 oc->oformat = file_oformat;
3163 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3165 if (!strcmp(file_oformat->name, "ffm") &&
3166 av_strstart(filename, "http:", NULL)) {
3167 /* special case for files sent to ffserver: we get the stream
3168 parameters from ffserver */
3169 if (read_ffserver_streams(oc, filename) < 0) {
3170 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3174 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3175 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3176 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3178 /* disable if no corresponding type found and at least one
3180 if (nb_input_files > 0) {
3181 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3182 &input_has_subtitle);
3183 if (!input_has_video)
3185 if (!input_has_audio)
3187 if (!input_has_subtitle)
3191 /* manual disable */
3192 if (audio_disable) {
3195 if (video_disable) {
3198 if (subtitle_disable) {
3203 new_video_stream(oc);
3207 new_audio_stream(oc);
3211 new_subtitle_stream(oc);
3214 oc->timestamp = rec_timestamp;
3217 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3219 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3221 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3223 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3225 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3227 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3230 output_files[nb_output_files++] = oc;
3232 /* check filename in case of an image number is expected */
3233 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3234 if (!av_filename_number_test(oc->filename)) {
3235 print_error(oc->filename, AVERROR_NUMEXPECTED);
3240 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3241 /* test if it already exists to avoid loosing precious files */
3242 if (!file_overwrite &&
3243 (strchr(filename, ':') == NULL ||
3244 filename[1] == ':' ||
3245 av_strstart(filename, "file:", NULL))) {
3246 if (url_exist(filename)) {
3249 if ( !using_stdin ) {
3250 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3253 if (toupper(c) != 'Y') {
3254 fprintf(stderr, "Not overwriting - exiting\n");
3259 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3266 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3267 fprintf(stderr, "Could not open '%s'\n", filename);
3272 memset(ap, 0, sizeof(*ap));
3273 if (av_set_parameters(oc, ap) < 0) {
3274 fprintf(stderr, "%s: Invalid encoding parameters\n",
3279 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3280 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3281 oc->loop_output = loop_output;
3283 for(i=0; i<opt_name_count; i++){
3285 const AVOption *opt;
3286 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3287 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3288 av_set_string(oc, opt_names[i], str);
3291 /* reset some options */
3292 file_oformat = NULL;
3293 file_iformat = NULL;
3296 /* same option as mencoder */
3297 static void opt_pass(const char *pass_str)
3300 pass = atoi(pass_str);
3301 if (pass != 1 && pass != 2) {
3302 fprintf(stderr, "pass number can be only 1 or 2\n");
3308 static int64_t getutime(void)
3310 #ifdef HAVE_GETRUSAGE
3311 struct rusage rusage;
3313 getrusage(RUSAGE_SELF, &rusage);
3314 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3315 #elif defined(HAVE_GETPROCESSTIMES)
3317 FILETIME c, e, k, u;
3318 proc = GetCurrentProcess();
3319 GetProcessTimes(proc, &c, &e, &k, &u);
3320 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3322 return av_gettime();
3326 static void opt_show_formats(void)
3328 AVInputFormat *ifmt=NULL;
3329 AVOutputFormat *ofmt=NULL;
3330 URLProtocol *up=NULL;
3331 AVCodec *p=NULL, *p2;
3332 AVBitStreamFilter *bsf=NULL;
3333 const char *last_name;
3335 printf("File formats:\n");
3340 const char *name=NULL;
3341 const char *long_name=NULL;
3343 while((ofmt= av_oformat_next(ofmt))) {
3344 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3345 strcmp(ofmt->name, last_name)>0){
3347 long_name= ofmt->long_name;
3351 while((ifmt= av_iformat_next(ifmt))) {
3352 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3353 strcmp(ifmt->name, last_name)>0){
3355 long_name= ifmt->long_name;
3358 if(name && strcmp(ifmt->name, name)==0)
3370 long_name ? long_name:" ");
3374 printf("Codecs:\n");
3380 const char *type_str;
3383 while((p= av_codec_next(p))) {
3384 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3385 strcmp(p->name, last_name)>0){
3387 decode= encode= cap=0;
3389 if(p2 && strcmp(p->name, p2->name)==0){
3390 if(p->decode) decode=1;
3391 if(p->encode) encode=1;
3392 cap |= p->capabilities;
3397 last_name= p2->name;
3400 case CODEC_TYPE_VIDEO:
3403 case CODEC_TYPE_AUDIO:
3406 case CODEC_TYPE_SUBTITLE:
3415 decode ? "D": (/*p2->decoder ? "d":*/" "),
3418 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3419 cap & CODEC_CAP_DR1 ? "D":" ",
3420 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3422 /* if(p2->decoder && decode==0)
3423 printf(" use %s for decoding", p2->decoder->name);*/
3428 printf("Bitstream filters:\n");
3429 while((bsf = av_bitstream_filter_next(bsf)))
3430 printf(" %s", bsf->name);
3433 printf("Supported file protocols:\n");
3434 while((up = av_protocol_next(up)))
3435 printf(" %s:", up->name);
3438 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3441 "Note, the names of encoders and decoders do not always match, so there are\n"
3442 "several cases where the above table shows encoder only or decoder only entries\n"
3443 "even though both encoding and decoding are supported. For example, the h263\n"
3444 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3449 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3452 const char *p = str;
3459 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3466 static void opt_inter_matrix(const char *arg)
3468 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3469 parse_matrix_coeffs(inter_matrix, arg);
3472 static void opt_intra_matrix(const char *arg)
3474 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3475 parse_matrix_coeffs(intra_matrix, arg);
3479 * Trivial log callback.
3480 * Only suitable for show_help and similar since it lacks prefix handling.
3482 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3484 vfprintf(stdout, fmt, vl);
3487 static void show_help(void)
3489 av_log_set_callback(log_callback_help);
3490 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3491 "Hyper fast Audio and Video encoder\n");
3493 show_help_options(options, "Main options:\n",
3494 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3495 show_help_options(options, "\nVideo options:\n",
3496 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3498 show_help_options(options, "\nAdvanced Video options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3500 OPT_VIDEO | OPT_EXPERT);
3501 show_help_options(options, "\nAudio options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3504 show_help_options(options, "\nAdvanced Audio options:\n",
3505 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 OPT_AUDIO | OPT_EXPERT);
3507 show_help_options(options, "\nSubtitle options:\n",
3508 OPT_SUBTITLE | OPT_GRAB,
3510 show_help_options(options, "\nAudio/Video grab options:\n",
3513 show_help_options(options, "\nAdvanced options:\n",
3514 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3516 av_opt_show(avctx_opts[0], NULL);
3517 av_opt_show(avformat_opts, NULL);
3518 av_opt_show(sws_opts, NULL);
3521 static void opt_show_help(void)
3527 static void opt_target(const char *arg)
3530 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3532 if(!strncmp(arg, "pal-", 4)) {
3535 } else if(!strncmp(arg, "ntsc-", 5)) {
3538 } else if(!strncmp(arg, "film-", 5)) {
3543 /* Calculate FR via float to avoid int overflow */
3544 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3547 } else if((fr == 29970) || (fr == 23976)) {
3550 /* Try to determine PAL/NTSC by peeking in the input files */
3551 if(nb_input_files) {
3553 for(j = 0; j < nb_input_files; j++) {
3554 for(i = 0; i < input_files[j]->nb_streams; i++) {
3555 AVCodecContext *c = input_files[j]->streams[i]->codec;
3556 if(c->codec_type != CODEC_TYPE_VIDEO)
3558 fr = c->time_base.den * 1000 / c->time_base.num;
3562 } else if((fr == 29970) || (fr == 23976)) {
3572 if(verbose && norm >= 0)
3573 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3577 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3578 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3579 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3583 if(!strcmp(arg, "vcd")) {
3585 opt_video_codec("mpeg1video");
3586 opt_audio_codec("mp2");
3589 opt_frame_size(norm ? "352x240" : "352x288");
3590 opt_frame_rate(frame_rates[norm]);
3591 opt_default("gop", norm ? "18" : "15");
3593 opt_default("b", "1150000");
3594 opt_default("maxrate", "1150000");
3595 opt_default("minrate", "1150000");
3596 opt_default("bufsize", "327680"); // 40*1024*8;
3598 opt_default("ab", "224000");
3599 audio_sample_rate = 44100;
3602 opt_default("packetsize", "2324");
3603 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3605 /* We have to offset the PTS, so that it is consistent with the SCR.
3606 SCR starts at 36000, but the first two packs contain only padding
3607 and the first pack from the other stream, respectively, may also have
3608 been written before.
3609 So the real data starts at SCR 36000+3*1200. */
3610 mux_preload= (36000+3*1200) / 90000.0; //0.44
3611 } else if(!strcmp(arg, "svcd")) {
3613 opt_video_codec("mpeg2video");
3614 opt_audio_codec("mp2");
3617 opt_frame_size(norm ? "480x480" : "480x576");
3618 opt_frame_rate(frame_rates[norm]);
3619 opt_default("gop", norm ? "18" : "15");
3621 opt_default("b", "2040000");
3622 opt_default("maxrate", "2516000");
3623 opt_default("minrate", "0"); //1145000;
3624 opt_default("bufsize", "1835008"); //224*1024*8;
3625 opt_default("flags", "+SCAN_OFFSET");
3628 opt_default("ab", "224000");
3629 audio_sample_rate = 44100;
3631 opt_default("packetsize", "2324");
3633 } else if(!strcmp(arg, "dvd")) {
3635 opt_video_codec("mpeg2video");
3636 opt_audio_codec("ac3");
3639 opt_frame_size(norm ? "720x480" : "720x576");
3640 opt_frame_rate(frame_rates[norm]);
3641 opt_default("gop", norm ? "18" : "15");
3643 opt_default("b", "6000000");
3644 opt_default("maxrate", "9000000");
3645 opt_default("minrate", "0"); //1500000;
3646 opt_default("bufsize", "1835008"); //224*1024*8;
3648 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3649 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3651 opt_default("ab", "448000");
3652 audio_sample_rate = 48000;
3654 } else if(!strncmp(arg, "dv", 2)) {
3658 opt_frame_size(norm ? "720x480" : "720x576");
3659 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3660 (norm ? "yuv411p" : "yuv420p"));
3661 opt_frame_rate(frame_rates[norm]);
3663 audio_sample_rate = 48000;
3667 fprintf(stderr, "Unknown target: %s\n", arg);
3672 static void opt_vstats_file (const char *arg)
3674 av_free (vstats_filename);
3675 vstats_filename=av_strdup (arg);
3678 static void opt_vstats (void)
3681 time_t today2 = time(NULL);
3682 struct tm *today = localtime(&today2);
3684 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3686 opt_vstats_file(filename);
3689 static int opt_bsf(const char *opt, const char *arg)
3691 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3692 AVBitStreamFilterContext **bsfp;
3695 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3699 bsfp= *opt == 'v' ? &video_bitstream_filters :
3700 *opt == 'a' ? &audio_bitstream_filters :
3701 &subtitle_bitstream_filters;
3703 bsfp= &(*bsfp)->next;
3710 static void opt_show_license(void)
3716 static void opt_show_version(void)
3718 show_version(program_name);
3722 const OptionDef options[] = {
3724 { "L", 0, {(void*)opt_show_license}, "show license" },
3725 { "h", 0, {(void*)opt_show_help}, "show help" },
3726 { "version", 0, {(void*)opt_show_version}, "show version" },
3727 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3728 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3729 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3730 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3731 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3732 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3733 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3734 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3735 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3736 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3737 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3738 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3739 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3740 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3741 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3742 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3743 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3744 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3745 "add timings for benchmarking" },
3746 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3747 "dump each input packet" },
3748 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3749 "when dumping packets, also dump the payload" },
3750 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3751 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3752 { "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)", "" },
3753 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3754 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3755 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3756 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3757 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3758 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3759 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3760 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3761 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3762 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3763 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3766 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3767 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3768 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3769 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3770 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3771 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3772 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3773 { "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" },
3774 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3775 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3776 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3777 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3778 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3779 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3780 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3781 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3782 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3783 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3784 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3785 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3786 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3787 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3788 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3789 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3790 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3791 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3792 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3793 "use same video quality as source (implies VBR)" },
3794 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3795 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3796 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3797 "deinterlace pictures" },
3798 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3799 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3800 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3802 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3804 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3805 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3806 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3807 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3808 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3809 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3810 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3813 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3814 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3815 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3816 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3817 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3818 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3819 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3820 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3821 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3822 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3823 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3825 /* subtitle options */
3826 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3827 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3828 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3829 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3832 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3833 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3834 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3837 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3838 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3840 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3841 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3842 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3844 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3848 static int av_exit()
3853 for(i=0;i<nb_output_files;i++) {
3854 /* maybe av_close_output_file ??? */
3855 AVFormatContext *s = output_files[i];
3857 if (!(s->oformat->flags & AVFMT_NOFILE))
3859 for(j=0;j<s->nb_streams;j++) {
3860 av_free(s->streams[j]->codec);
3861 av_free(s->streams[j]);
3865 for(i=0;i<nb_input_files;i++)
3866 av_close_input_file(input_files[i]);
3870 av_free(intra_matrix);
3871 av_free(inter_matrix);
3874 fclose(vstats_file);
3875 av_free(vstats_filename);
3879 av_free(video_codec_name);
3880 av_free(audio_codec_name);
3881 av_free(subtitle_codec_name);
3883 av_free(video_standard);
3885 #ifdef CONFIG_POWERPC_PERF
3886 extern void powerpc_display_perf_report(void);
3887 powerpc_display_perf_report();
3888 #endif /* CONFIG_POWERPC_PERF */
3890 if (received_sigterm) {
3892 "Received signal %d: terminating.\n",
3893 (int) received_sigterm);
3897 exit(0); /* not all OS-es handle main() return value */
3901 int main(int argc, char **argv)
3906 avcodec_register_all();
3907 avdevice_register_all();
3910 for(i=0; i<CODEC_TYPE_NB; i++){
3911 avctx_opts[i]= avcodec_alloc_context2(i);
3913 avformat_opts = av_alloc_format_context();
3914 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3916 show_banner(program_name, program_birth_year);
3923 parse_options(argc, argv, options, opt_output_file);
3925 /* file converter / grab */
3926 if (nb_output_files <= 0) {
3927 fprintf(stderr, "Must supply at least one output file\n");
3931 if (nb_input_files == 0) {
3932 fprintf(stderr, "Must supply at least one input file\n");
3937 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3938 stream_maps, nb_stream_maps);
3939 ti = getutime() - ti;
3941 printf("bench: utime=%0.3fs\n", ti / 1000000.0);