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 (video_sync_method == 2)
737 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
738 else if (vdelta > 1.1)
739 nb_frames = lrintf(vdelta);
740 //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);
744 fprintf(stderr, "*** drop!\n");
745 }else if (nb_frames > 1) {
746 nb_frames_dup += nb_frames;
748 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
751 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
753 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
757 if (ost->video_crop) {
758 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
759 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
762 formatted_picture = &picture_crop_temp;
764 formatted_picture = in_picture;
767 final_picture = formatted_picture;
768 padding_src = formatted_picture;
769 resampling_dst = &ost->pict_tmp;
770 if (ost->video_pad) {
771 final_picture = &ost->pict_tmp;
772 if (ost->video_resample) {
773 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
774 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
777 resampling_dst = &picture_pad_temp;
781 if (ost->video_resample) {
783 final_picture = &ost->pict_tmp;
784 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
785 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
788 if (ost->video_pad) {
789 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
790 enc->height, enc->width, enc->pix_fmt,
791 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
794 /* duplicates frame if needed */
795 for(i=0;i<nb_frames;i++) {
797 av_init_packet(&pkt);
798 pkt.stream_index= ost->index;
800 if (s->oformat->flags & AVFMT_RAWPICTURE) {
801 /* raw pictures are written as AVPicture structure to
802 avoid any copies. We support temorarily the older
804 AVFrame* old_frame = enc->coded_frame;
805 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
806 pkt.data= (uint8_t *)final_picture;
807 pkt.size= sizeof(AVPicture);
808 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
809 pkt.flags |= PKT_FLAG_KEY;
811 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
812 enc->coded_frame = old_frame;
816 big_picture= *final_picture;
817 /* better than nothing: use input picture interlaced
819 big_picture.interlaced_frame = in_picture->interlaced_frame;
820 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
821 if(top_field_first == -1)
822 big_picture.top_field_first = in_picture->top_field_first;
824 big_picture.top_field_first = top_field_first;
827 /* handles sameq here. This is not correct because it may
828 not be a global option */
830 big_picture.quality = ist->st->quality;
832 big_picture.quality = ost->st->quality;
834 big_picture.pict_type = 0;
835 // big_picture.pts = AV_NOPTS_VALUE;
836 big_picture.pts= ost->sync_opts;
837 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
838 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
839 ret = avcodec_encode_video(enc,
840 bit_buffer, bit_buffer_size,
843 fprintf(stderr, "Video encoding failed\n");
846 //enc->frame_number = enc->real_pict_num;
848 pkt.data= bit_buffer;
850 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
851 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
852 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
853 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
854 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
856 if(enc->coded_frame && enc->coded_frame->key_frame)
857 pkt.flags |= PKT_FLAG_KEY;
858 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
860 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
861 // enc->frame_number-1, enc->real_pict_num, ret,
863 /* if two pass, output log */
864 if (ost->logfile && enc->stats_out) {
865 fprintf(ost->logfile, "%s", enc->stats_out);
874 static double psnr(double d){
875 if(d==0) return INFINITY;
876 return -10.0*log(d)/log(10.0);
879 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
884 double ti1, bitrate, avg_bitrate;
886 /* this is executed just the first time do_video_stats is called */
888 vstats_file = fopen(vstats_filename, "w");
895 enc = ost->st->codec;
896 if (enc->codec_type == CODEC_TYPE_VIDEO) {
897 frame_number = ost->frame_number;
898 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
899 if (enc->flags&CODEC_FLAG_PSNR)
900 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
902 fprintf(vstats_file,"f_size= %6d ", frame_size);
903 /* compute pts value */
904 ti1 = ost->sync_opts * av_q2d(enc->time_base);
908 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
909 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
910 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
911 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
912 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
916 static void print_report(AVFormatContext **output_files,
917 AVOutputStream **ost_table, int nb_ostreams,
922 AVFormatContext *oc, *os;
925 int frame_number, vid, i;
926 double bitrate, ti1, pts;
927 static int64_t last_time = -1;
928 static int qp_histogram[52];
930 if (!is_last_report) {
932 /* display the report every 0.5 seconds */
933 cur_time = av_gettime();
934 if (last_time == -1) {
935 last_time = cur_time;
938 if ((cur_time - last_time) < 500000)
940 last_time = cur_time;
944 oc = output_files[0];
946 total_size = url_fsize(oc->pb);
947 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
948 total_size= url_ftell(oc->pb);
953 for(i=0;i<nb_ostreams;i++) {
955 os = output_files[ost->file_index];
956 enc = ost->st->codec;
957 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
958 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
959 enc->coded_frame && !ost->st->stream_copy ?
960 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
962 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
963 float t = (av_gettime()-timer_start) / 1000000.0;
965 frame_number = ost->frame_number;
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
967 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
968 enc->coded_frame && !ost->st->stream_copy ?
969 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
971 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
972 if(qp_hist && enc->coded_frame){
974 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
975 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
978 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
980 if (enc->flags&CODEC_FLAG_PSNR){
982 double error, error_sum=0;
983 double scale, scale_sum=0;
984 char type[3]= {'Y','U','V'};
985 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
988 error= enc->error[j];
989 scale= enc->width*enc->height*255.0*255.0*frame_number;
991 error= enc->coded_frame->error[j];
992 scale= enc->width*enc->height*255.0*255.0;
997 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
999 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1003 /* compute min output value */
1004 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1005 if ((pts < ti1) && (pts > 0))
1011 if (verbose || is_last_report) {
1012 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1014 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1015 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1016 (double)total_size / 1024, ti1, bitrate);
1019 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1020 nb_frames_dup, nb_frames_drop);
1023 fprintf(stderr, "%s \r", buf);
1028 if (is_last_report && verbose >= 0){
1029 int64_t raw= audio_size + video_size + extra_size;
1030 fprintf(stderr, "\n");
1031 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1035 100.0*(total_size - raw)/raw
1040 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1041 static int output_packet(AVInputStream *ist, int ist_index,
1042 AVOutputStream **ost_table, int nb_ostreams,
1043 const AVPacket *pkt)
1045 AVFormatContext *os;
1046 AVOutputStream *ost;
1050 int data_size, got_picture;
1052 void *buffer_to_free;
1053 static unsigned int samples_size= 0;
1054 static short *samples= NULL;
1055 AVSubtitle subtitle, *subtitle_to_free;
1059 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1060 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1061 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1063 // assert(ist->pts == ist->next_pts);
1077 /* decode the packet if needed */
1078 data_buf = NULL; /* fail safe */
1080 subtitle_to_free = NULL;
1081 if (ist->decoding_needed) {
1082 switch(ist->st->codec->codec_type) {
1083 case CODEC_TYPE_AUDIO:{
1085 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1086 data_size= samples_size;
1087 /* XXX: could avoid copy if PCM 16 bits with same
1088 endianness as CPU */
1089 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1095 /* Some bug in mpeg audio decoder gives */
1096 /* data_size < 0, it seems they are overflows */
1097 if (data_size <= 0) {
1098 /* no audio frame */
1101 data_buf = (uint8_t *)samples;
1102 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1103 (ist->st->codec->sample_rate * ist->st->codec->channels);
1105 case CODEC_TYPE_VIDEO:
1106 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1107 /* XXX: allocate picture correctly */
1108 avcodec_get_frame_defaults(&picture);
1110 ret = avcodec_decode_video(ist->st->codec,
1111 &picture, &got_picture, ptr, len);
1112 ist->st->quality= picture.quality;
1116 /* no picture yet */
1117 goto discard_packet;
1119 if (ist->st->codec->time_base.num != 0) {
1120 ist->next_pts += ((int64_t)AV_TIME_BASE *
1121 ist->st->codec->time_base.num) /
1122 ist->st->codec->time_base.den;
1126 case CODEC_TYPE_SUBTITLE:
1127 ret = avcodec_decode_subtitle(ist->st->codec,
1128 &subtitle, &got_subtitle, ptr, len);
1131 if (!got_subtitle) {
1132 goto discard_packet;
1134 subtitle_to_free = &subtitle;
1141 switch(ist->st->codec->codec_type) {
1142 case CODEC_TYPE_AUDIO:
1143 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1144 ist->st->codec->sample_rate;
1146 case CODEC_TYPE_VIDEO:
1147 if (ist->st->codec->time_base.num != 0) {
1148 ist->next_pts += ((int64_t)AV_TIME_BASE *
1149 ist->st->codec->time_base.num) /
1150 ist->st->codec->time_base.den;
1160 buffer_to_free = NULL;
1161 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1162 pre_process_video_frame(ist, (AVPicture *)&picture,
1166 // preprocess audio (volume)
1167 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1168 if (audio_volume != 256) {
1171 for(i=0;i<(data_size / sizeof(short));i++) {
1172 int v = ((*volp) * audio_volume + 128) >> 8;
1173 if (v < -32768) v = -32768;
1174 if (v > 32767) v = 32767;
1180 /* frame rate emulation */
1181 if (ist->st->codec->rate_emu) {
1182 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1183 int64_t now = av_gettime() - ist->start;
1191 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1192 is the one of the next displayed one */
1193 /* XXX: add mpeg4 too ? */
1194 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1195 if (ist->st->codec->pict_type != B_TYPE) {
1197 tmp = ist->last_ip_pts;
1198 ist->last_ip_pts = ist->frac_pts.val;
1199 ist->frac_pts.val = tmp;
1203 /* if output time reached then transcode raw format,
1204 encode packets and output them */
1205 if (start_time == 0 || ist->pts >= start_time)
1206 for(i=0;i<nb_ostreams;i++) {
1210 if (ost->source_index == ist_index) {
1211 os = output_files[ost->file_index];
1214 printf("%d: got pts=%0.3f %0.3f\n", i,
1215 (double)pkt->pts / AV_TIME_BASE,
1216 ((double)ist->pts / AV_TIME_BASE) -
1217 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1219 /* set the input output pts pairs */
1220 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1222 if (ost->encoding_needed) {
1223 switch(ost->st->codec->codec_type) {
1224 case CODEC_TYPE_AUDIO:
1225 do_audio_out(os, ost, ist, data_buf, data_size);
1227 case CODEC_TYPE_VIDEO:
1228 do_video_out(os, ost, ist, &picture, &frame_size);
1229 video_size += frame_size;
1230 if (vstats_filename && frame_size)
1231 do_video_stats(os, ost, frame_size);
1233 case CODEC_TYPE_SUBTITLE:
1234 do_subtitle_out(os, ost, ist, &subtitle,
1241 AVFrame avframe; //FIXME/XXX remove this
1243 av_init_packet(&opkt);
1245 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1248 /* no reencoding needed : output the packet directly */
1249 /* force the input stream PTS */
1251 avcodec_get_frame_defaults(&avframe);
1252 ost->st->codec->coded_frame= &avframe;
1253 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1255 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1256 audio_size += data_size;
1257 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1258 video_size += data_size;
1262 opkt.stream_index= ost->index;
1263 if(pkt->pts != AV_NOPTS_VALUE)
1264 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1266 opkt.pts= AV_NOPTS_VALUE;
1268 if (pkt->dts == AV_NOPTS_VALUE)
1269 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1271 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1273 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1274 opkt.flags= pkt->flags;
1276 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1277 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1278 opkt.destruct= av_destruct_packet;
1280 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1281 ost->st->codec->frame_number++;
1282 ost->frame_number++;
1283 av_free_packet(&opkt);
1287 av_free(buffer_to_free);
1288 /* XXX: allocate the subtitles in the codec ? */
1289 if (subtitle_to_free) {
1290 if (subtitle_to_free->rects != NULL) {
1291 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1292 av_free(subtitle_to_free->rects[i].bitmap);
1293 av_free(subtitle_to_free->rects[i].rgba_palette);
1295 av_freep(&subtitle_to_free->rects);
1297 subtitle_to_free->num_rects = 0;
1298 subtitle_to_free = NULL;
1305 for(i=0;i<nb_ostreams;i++) {
1307 if (ost->source_index == ist_index) {
1308 AVCodecContext *enc= ost->st->codec;
1309 os = output_files[ost->file_index];
1311 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1313 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1316 if (ost->encoding_needed) {
1320 av_init_packet(&pkt);
1321 pkt.stream_index= ost->index;
1323 switch(ost->st->codec->codec_type) {
1324 case CODEC_TYPE_AUDIO:
1325 fifo_bytes = av_fifo_size(&ost->fifo);
1327 /* encode any samples remaining in fifo */
1328 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1329 int fs_tmp = enc->frame_size;
1330 enc->frame_size = fifo_bytes / (2 * enc->channels);
1331 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1332 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1334 enc->frame_size = fs_tmp;
1337 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1340 pkt.flags |= PKT_FLAG_KEY;
1342 case CODEC_TYPE_VIDEO:
1343 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1345 if(enc->coded_frame && enc->coded_frame->key_frame)
1346 pkt.flags |= PKT_FLAG_KEY;
1347 if (ost->logfile && enc->stats_out) {
1348 fprintf(ost->logfile, "%s", enc->stats_out);
1357 pkt.data= bit_buffer;
1359 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1360 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1361 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1373 static void print_sdp(AVFormatContext **avc, int n)
1377 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1378 printf("SDP:\n%s\n", sdp);
1381 static int stream_index_from_inputs(AVFormatContext **input_files,
1383 AVInputFile *file_table,
1384 AVInputStream **ist_table,
1385 enum CodecType type,
1389 for(z=0; z<nb_input_files; z++) {
1390 AVFormatContext *ic = input_files[z];
1391 for(p=0; p<ic->nb_programs; p++) {
1392 AVProgram *program = ic->programs[p];
1393 if(program->id != programid)
1395 for(q=0; q<program->nb_stream_indexes; q++) {
1396 int sidx = program->stream_index[q];
1397 int ris = file_table[z].ist_index + sidx;
1398 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1408 * The following code is the main loop of the file converter
1410 static int av_encode(AVFormatContext **output_files,
1411 int nb_output_files,
1412 AVFormatContext **input_files,
1414 AVStreamMap *stream_maps, int nb_stream_maps)
1416 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1417 AVFormatContext *is, *os;
1418 AVCodecContext *codec, *icodec;
1419 AVOutputStream *ost, **ost_table = NULL;
1420 AVInputStream *ist, **ist_table = NULL;
1421 AVInputFile *file_table;
1425 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1429 /* input stream init */
1431 for(i=0;i<nb_input_files;i++) {
1432 is = input_files[i];
1433 file_table[i].ist_index = j;
1434 file_table[i].nb_streams = is->nb_streams;
1435 j += is->nb_streams;
1439 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1443 for(i=0;i<nb_istreams;i++) {
1444 ist = av_mallocz(sizeof(AVInputStream));
1450 for(i=0;i<nb_input_files;i++) {
1451 is = input_files[i];
1452 for(k=0;k<is->nb_streams;k++) {
1453 ist = ist_table[j++];
1454 ist->st = is->streams[k];
1455 ist->file_index = i;
1457 ist->discard = 1; /* the stream is discarded by default
1460 if (ist->st->codec->rate_emu) {
1461 ist->start = av_gettime();
1467 /* output stream init */
1469 for(i=0;i<nb_output_files;i++) {
1470 os = output_files[i];
1471 if (!os->nb_streams) {
1472 fprintf(stderr, "Output file does not contain any stream\n");
1475 nb_ostreams += os->nb_streams;
1477 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1478 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1482 /* Sanity check the mapping args -- do the input files & streams exist? */
1483 for(i=0;i<nb_stream_maps;i++) {
1484 int fi = stream_maps[i].file_index;
1485 int si = stream_maps[i].stream_index;
1487 if (fi < 0 || fi > nb_input_files - 1 ||
1488 si < 0 || si > file_table[fi].nb_streams - 1) {
1489 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1492 fi = stream_maps[i].sync_file_index;
1493 si = stream_maps[i].sync_stream_index;
1494 if (fi < 0 || fi > nb_input_files - 1 ||
1495 si < 0 || si > file_table[fi].nb_streams - 1) {
1496 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1501 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1504 for(i=0;i<nb_ostreams;i++) {
1505 ost = av_mallocz(sizeof(AVOutputStream));
1512 for(k=0;k<nb_output_files;k++) {
1513 os = output_files[k];
1514 for(i=0;i<os->nb_streams;i++) {
1516 ost = ost_table[n++];
1517 ost->file_index = k;
1519 ost->st = os->streams[i];
1520 if (nb_stream_maps > 0) {
1521 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1522 stream_maps[n-1].stream_index;
1524 /* Sanity check that the stream types match */
1525 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1526 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1527 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1528 ost->file_index, ost->index);
1535 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1537 ost->source_index = j;
1541 /* get corresponding input stream index : we select the first one with the right type */
1543 for(j=0;j<nb_istreams;j++) {
1546 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1547 ost->source_index = j;
1555 if(! opt_programid) {
1556 /* try again and reuse existing stream */
1557 for(j=0;j<nb_istreams;j++) {
1559 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1560 ost->source_index = j;
1566 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1567 ost->file_index, ost->index);
1572 ist = ist_table[ost->source_index];
1574 ost->sync_ist = (nb_stream_maps > 0) ?
1575 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1576 stream_maps[n-1].sync_stream_index] : ist;
1580 /* for each output stream, we compute the right encoding parameters */
1581 for(i=0;i<nb_ostreams;i++) {
1583 os = output_files[ost->file_index];
1584 ist = ist_table[ost->source_index];
1586 codec = ost->st->codec;
1587 icodec = ist->st->codec;
1589 if (!ost->st->language[0])
1590 av_strlcpy(ost->st->language, ist->st->language,
1591 sizeof(ost->st->language));
1593 if (ost->st->stream_copy) {
1594 /* if stream_copy is selected, no need to decode or encode */
1595 codec->codec_id = icodec->codec_id;
1596 codec->codec_type = icodec->codec_type;
1598 if(!codec->codec_tag){
1599 if( !os->oformat->codec_tag
1600 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1601 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1602 codec->codec_tag = icodec->codec_tag;
1605 codec->bit_rate = icodec->bit_rate;
1606 codec->extradata= icodec->extradata;
1607 codec->extradata_size= icodec->extradata_size;
1608 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1609 codec->time_base = icodec->time_base;
1611 codec->time_base = ist->st->time_base;
1612 switch(codec->codec_type) {
1613 case CODEC_TYPE_AUDIO:
1614 codec->sample_rate = icodec->sample_rate;
1615 codec->channels = icodec->channels;
1616 codec->frame_size = icodec->frame_size;
1617 codec->block_align= icodec->block_align;
1618 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1619 codec->block_align= 0;
1621 case CODEC_TYPE_VIDEO:
1623 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1626 codec->pix_fmt = icodec->pix_fmt;
1627 codec->width = icodec->width;
1628 codec->height = icodec->height;
1629 codec->has_b_frames = icodec->has_b_frames;
1631 case CODEC_TYPE_SUBTITLE:
1637 switch(codec->codec_type) {
1638 case CODEC_TYPE_AUDIO:
1639 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1641 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1642 icodec->request_channels = codec->channels;
1643 ist->decoding_needed = 1;
1644 ost->encoding_needed = 1;
1646 case CODEC_TYPE_VIDEO:
1647 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1648 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1649 ost->video_resample = ((codec->width != icodec->width -
1650 (frame_leftBand + frame_rightBand) +
1651 (frame_padleft + frame_padright)) ||
1652 (codec->height != icodec->height -
1653 (frame_topBand + frame_bottomBand) +
1654 (frame_padtop + frame_padbottom)) ||
1655 (codec->pix_fmt != icodec->pix_fmt));
1656 if (ost->video_crop) {
1657 ost->topBand = frame_topBand;
1658 ost->leftBand = frame_leftBand;
1660 if (ost->video_pad) {
1661 ost->padtop = frame_padtop;
1662 ost->padleft = frame_padleft;
1663 ost->padbottom = frame_padbottom;
1664 ost->padright = frame_padright;
1665 if (!ost->video_resample) {
1666 avcodec_get_frame_defaults(&ost->pict_tmp);
1667 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1668 codec->width, codec->height ) )
1672 if (ost->video_resample) {
1673 avcodec_get_frame_defaults(&ost->pict_tmp);
1674 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1675 codec->width, codec->height ) ) {
1676 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1679 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1680 ost->img_resample_ctx = sws_getContext(
1681 icodec->width - (frame_leftBand + frame_rightBand),
1682 icodec->height - (frame_topBand + frame_bottomBand),
1684 codec->width - (frame_padleft + frame_padright),
1685 codec->height - (frame_padtop + frame_padbottom),
1687 sws_flags, NULL, NULL, NULL);
1688 if (ost->img_resample_ctx == NULL) {
1689 fprintf(stderr, "Cannot get resampling context\n");
1692 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1694 ost->encoding_needed = 1;
1695 ist->decoding_needed = 1;
1697 case CODEC_TYPE_SUBTITLE:
1698 ost->encoding_needed = 1;
1699 ist->decoding_needed = 1;
1706 if (ost->encoding_needed &&
1707 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1708 char logfilename[1024];
1713 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1715 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1716 if (codec->flags & CODEC_FLAG_PASS1) {
1717 f = fopen(logfilename, "w");
1719 perror(logfilename);
1724 /* read the log file */
1725 f = fopen(logfilename, "r");
1727 perror(logfilename);
1730 fseek(f, 0, SEEK_END);
1732 fseek(f, 0, SEEK_SET);
1733 logbuffer = av_malloc(size + 1);
1735 fprintf(stderr, "Could not allocate log buffer\n");
1738 size = fread(logbuffer, 1, size, f);
1740 logbuffer[size] = '\0';
1741 codec->stats_in = logbuffer;
1745 if(codec->codec_type == CODEC_TYPE_VIDEO){
1746 int size= codec->width * codec->height;
1747 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1752 bit_buffer = av_malloc(bit_buffer_size);
1756 /* dump the file output parameters - cannot be done before in case
1758 for(i=0;i<nb_output_files;i++) {
1759 dump_format(output_files[i], i, output_files[i]->filename, 1);
1762 /* dump the stream mapping */
1764 fprintf(stderr, "Stream mapping:\n");
1765 for(i=0;i<nb_ostreams;i++) {
1767 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1768 ist_table[ost->source_index]->file_index,
1769 ist_table[ost->source_index]->index,
1772 if (ost->sync_ist != ist_table[ost->source_index])
1773 fprintf(stderr, " [sync #%d.%d]",
1774 ost->sync_ist->file_index,
1775 ost->sync_ist->index);
1776 fprintf(stderr, "\n");
1780 /* open each encoder */
1781 for(i=0;i<nb_ostreams;i++) {
1783 if (ost->encoding_needed) {
1785 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1787 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1788 ost->file_index, ost->index);
1791 if (avcodec_open(ost->st->codec, codec) < 0) {
1792 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1793 ost->file_index, ost->index);
1796 extra_size += ost->st->codec->extradata_size;
1800 /* open each decoder */
1801 for(i=0;i<nb_istreams;i++) {
1803 if (ist->decoding_needed) {
1805 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1807 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1808 ist->st->codec->codec_id, ist->file_index, ist->index);
1811 if (avcodec_open(ist->st->codec, codec) < 0) {
1812 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1813 ist->file_index, ist->index);
1816 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1817 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1822 for(i=0;i<nb_istreams;i++) {
1824 is = input_files[ist->file_index];
1827 if( input_files_ts_offset[ist->file_index] != -is->start_time
1828 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1829 ist->next_pts= AV_NOPTS_VALUE;
1833 /* set meta data information from input file if required */
1834 for (i=0;i<nb_meta_data_maps;i++) {
1835 AVFormatContext *out_file;
1836 AVFormatContext *in_file;
1838 int out_file_index = meta_data_maps[i].out_file;
1839 int in_file_index = meta_data_maps[i].in_file;
1840 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1841 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1842 ret = AVERROR(EINVAL);
1845 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1846 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1847 ret = AVERROR(EINVAL);
1851 out_file = output_files[out_file_index];
1852 in_file = input_files[in_file_index];
1854 strcpy(out_file->title, in_file->title);
1855 strcpy(out_file->author, in_file->author);
1856 strcpy(out_file->copyright, in_file->copyright);
1857 strcpy(out_file->comment, in_file->comment);
1858 strcpy(out_file->album, in_file->album);
1859 out_file->year = in_file->year;
1860 out_file->track = in_file->track;
1861 strcpy(out_file->genre, in_file->genre);
1864 /* open files and write file headers */
1865 for(i=0;i<nb_output_files;i++) {
1866 os = output_files[i];
1867 if (av_write_header(os) < 0) {
1868 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1869 ret = AVERROR(EINVAL);
1872 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1877 print_sdp(output_files, nb_output_files);
1880 if ( !using_stdin && verbose >= 0) {
1881 fprintf(stderr, "Press [q] to stop encoding\n");
1882 url_set_interrupt_cb(decode_interrupt_cb);
1887 timer_start = av_gettime();
1889 for(; received_sigterm == 0;) {
1890 int file_index, ist_index;
1898 /* if 'q' pressed, exits */
1902 /* read_key() returns 0 on EOF */
1908 /* select the stream that we must read now by looking at the
1909 smallest output pts */
1911 for(i=0;i<nb_ostreams;i++) {
1914 os = output_files[ost->file_index];
1915 ist = ist_table[ost->source_index];
1916 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1917 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1919 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1920 ipts = (double)ist->pts;
1921 if (!file_table[ist->file_index].eof_reached){
1922 if(ipts < ipts_min) {
1924 if(input_sync ) file_index = ist->file_index;
1926 if(opts < opts_min) {
1928 if(!input_sync) file_index = ist->file_index;
1931 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1936 /* if none, if is finished */
1937 if (file_index < 0) {
1941 /* finish if recording time exhausted */
1942 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1945 /* finish if limit size exhausted */
1946 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1949 /* read a frame from it and output it in the fifo */
1950 is = input_files[file_index];
1951 if (av_read_frame(is, &pkt) < 0) {
1952 file_table[file_index].eof_reached = 1;
1960 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1962 /* the following test is needed in case new streams appear
1963 dynamically in stream : we ignore them */
1964 if (pkt.stream_index >= file_table[file_index].nb_streams)
1965 goto discard_packet;
1966 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1967 ist = ist_table[ist_index];
1969 goto discard_packet;
1971 if (pkt.dts != AV_NOPTS_VALUE)
1972 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1973 if (pkt.pts != AV_NOPTS_VALUE)
1974 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1976 // 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);
1977 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1978 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1979 int64_t delta= pkt_dts - ist->next_pts;
1980 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1981 input_files_ts_offset[ist->file_index]-= delta;
1983 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1984 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1985 if(pkt.pts != AV_NOPTS_VALUE)
1986 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1990 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1991 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1994 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1995 ist->file_index, ist->index);
1997 av_free_packet(&pkt);
2002 av_free_packet(&pkt);
2004 /* dump report by using the output first video and audio streams */
2005 print_report(output_files, ost_table, nb_ostreams, 0);
2008 /* at the end of stream, we must flush the decoder buffers */
2009 for(i=0;i<nb_istreams;i++) {
2011 if (ist->decoding_needed) {
2012 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2018 /* write the trailer if needed and close file */
2019 for(i=0;i<nb_output_files;i++) {
2020 os = output_files[i];
2021 av_write_trailer(os);
2024 /* dump report by using the first video and audio streams */
2025 print_report(output_files, ost_table, nb_ostreams, 1);
2027 /* close each encoder */
2028 for(i=0;i<nb_ostreams;i++) {
2030 if (ost->encoding_needed) {
2031 av_freep(&ost->st->codec->stats_in);
2032 avcodec_close(ost->st->codec);
2036 /* close each decoder */
2037 for(i=0;i<nb_istreams;i++) {
2039 if (ist->decoding_needed) {
2040 avcodec_close(ist->st->codec);
2048 av_freep(&bit_buffer);
2049 av_free(file_table);
2052 for(i=0;i<nb_istreams;i++) {
2059 for(i=0;i<nb_ostreams;i++) {
2063 fclose(ost->logfile);
2064 ost->logfile = NULL;
2066 av_fifo_free(&ost->fifo); /* works even if fifo is not
2067 initialized but set to zero */
2068 av_free(ost->pict_tmp.data[0]);
2069 if (ost->video_resample)
2070 sws_freeContext(ost->img_resample_ctx);
2072 audio_resample_close(ost->resample);
2080 ret = AVERROR(ENOMEM);
2085 int file_read(const char *filename)
2088 unsigned char buffer[1024];
2091 if (url_open(&h, filename, O_RDONLY) < 0) {
2092 printf("could not open '%s'\n", filename);
2096 len = url_read(h, buffer, sizeof(buffer));
2099 for(i=0;i<len;i++) putchar(buffer[i]);
2106 static void opt_format(const char *arg)
2108 /* compatibility stuff for pgmyuv */
2109 if (!strcmp(arg, "pgmyuv")) {
2110 pgmyuv_compatibility_hack=1;
2111 // opt_image_format(arg);
2113 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2116 file_iformat = av_find_input_format(arg);
2117 file_oformat = guess_format(arg, NULL, NULL);
2118 if (!file_iformat && !file_oformat) {
2119 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2124 extern int ffm_nopts;
2126 static int opt_default(const char *opt, const char *arg){
2128 const AVOption *o= NULL;
2129 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2131 for(type=0; type<CODEC_TYPE_NB; type++){
2132 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2134 o = av_set_string(avctx_opts[type], opt, arg);
2137 o = av_set_string(avformat_opts, opt, arg);
2139 o = av_set_string(sws_opts, opt, arg);
2142 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2143 else if(opt[0] == 'v')
2144 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2145 else if(opt[0] == 's')
2146 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2151 // 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));
2153 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2154 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2155 opt_names[opt_name_count++]= o->name;
2157 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2158 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2159 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2163 if(avctx_opts[0]->debug)
2164 av_log_set_level(AV_LOG_DEBUG);
2168 static void opt_video_rc_override_string(const char *arg)
2170 video_rc_override_string = arg;
2173 static void opt_me_threshold(const char *arg)
2175 me_threshold = atoi(arg);
2178 static void opt_verbose(const char *arg)
2180 verbose = atoi(arg);
2181 av_log_set_level(atoi(arg));
2184 static void opt_frame_rate(const char *arg)
2186 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2187 fprintf(stderr, "Incorrect frame rate\n");
2192 static int opt_bitrate(const char *opt, const char *arg)
2194 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2196 opt_default(opt, arg);
2198 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2199 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2204 static void opt_frame_crop_top(const char *arg)
2206 frame_topBand = atoi(arg);
2207 if (frame_topBand < 0) {
2208 fprintf(stderr, "Incorrect top crop size\n");
2211 if ((frame_topBand % 2) != 0) {
2212 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2215 if ((frame_topBand) >= frame_height){
2216 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2219 frame_height -= frame_topBand;
2222 static void opt_frame_crop_bottom(const char *arg)
2224 frame_bottomBand = atoi(arg);
2225 if (frame_bottomBand < 0) {
2226 fprintf(stderr, "Incorrect bottom crop size\n");
2229 if ((frame_bottomBand % 2) != 0) {
2230 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2233 if ((frame_bottomBand) >= frame_height){
2234 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2237 frame_height -= frame_bottomBand;
2240 static void opt_frame_crop_left(const char *arg)
2242 frame_leftBand = atoi(arg);
2243 if (frame_leftBand < 0) {
2244 fprintf(stderr, "Incorrect left crop size\n");
2247 if ((frame_leftBand % 2) != 0) {
2248 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2251 if ((frame_leftBand) >= frame_width){
2252 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2255 frame_width -= frame_leftBand;
2258 static void opt_frame_crop_right(const char *arg)
2260 frame_rightBand = atoi(arg);
2261 if (frame_rightBand < 0) {
2262 fprintf(stderr, "Incorrect right crop size\n");
2265 if ((frame_rightBand % 2) != 0) {
2266 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2269 if ((frame_rightBand) >= frame_width){
2270 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2273 frame_width -= frame_rightBand;
2276 static void opt_frame_size(const char *arg)
2278 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2279 fprintf(stderr, "Incorrect frame size\n");
2282 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2283 fprintf(stderr, "Frame size must be a multiple of 2\n");
2289 #define SCALEBITS 10
2290 #define ONE_HALF (1 << (SCALEBITS - 1))
2291 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2293 #define RGB_TO_Y(r, g, b) \
2294 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2295 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2297 #define RGB_TO_U(r1, g1, b1, shift)\
2298 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2299 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2301 #define RGB_TO_V(r1, g1, b1, shift)\
2302 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2303 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2305 static void opt_pad_color(const char *arg) {
2306 /* Input is expected to be six hex digits similar to
2307 how colors are expressed in html tags (but without the #) */
2308 int rgb = strtol(arg, NULL, 16);
2312 g = ((rgb >> 8) & 255);
2315 padcolor[0] = RGB_TO_Y(r,g,b);
2316 padcolor[1] = RGB_TO_U(r,g,b,0);
2317 padcolor[2] = RGB_TO_V(r,g,b,0);
2320 static void opt_frame_pad_top(const char *arg)
2322 frame_padtop = atoi(arg);
2323 if (frame_padtop < 0) {
2324 fprintf(stderr, "Incorrect top pad size\n");
2327 if ((frame_padtop % 2) != 0) {
2328 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2333 static void opt_frame_pad_bottom(const char *arg)
2335 frame_padbottom = atoi(arg);
2336 if (frame_padbottom < 0) {
2337 fprintf(stderr, "Incorrect bottom pad size\n");
2340 if ((frame_padbottom % 2) != 0) {
2341 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2347 static void opt_frame_pad_left(const char *arg)
2349 frame_padleft = atoi(arg);
2350 if (frame_padleft < 0) {
2351 fprintf(stderr, "Incorrect left pad size\n");
2354 if ((frame_padleft % 2) != 0) {
2355 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2361 static void opt_frame_pad_right(const char *arg)
2363 frame_padright = atoi(arg);
2364 if (frame_padright < 0) {
2365 fprintf(stderr, "Incorrect right pad size\n");
2368 if ((frame_padright % 2) != 0) {
2369 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2374 void list_pix_fmts(void)
2377 char pix_fmt_str[128];
2378 for (i=-1; i < PIX_FMT_NB; i++) {
2379 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2380 fprintf(stdout, "%s\n", pix_fmt_str);
2384 static void opt_frame_pix_fmt(const char *arg)
2386 if (strcmp(arg, "list"))
2387 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2394 static void opt_frame_aspect_ratio(const char *arg)
2401 p = strchr(arg, ':');
2403 x = strtol(arg, &end, 10);
2405 y = strtol(end+1, &end, 10);
2407 ar = (double)x / (double)y;
2409 ar = strtod(arg, NULL);
2412 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2415 frame_aspect_ratio = ar;
2418 static void opt_qscale(const char *arg)
2420 video_qscale = atof(arg);
2421 if (video_qscale <= 0 ||
2422 video_qscale > 255) {
2423 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2428 static void opt_qdiff(const char *arg)
2430 video_qdiff = atoi(arg);
2431 if (video_qdiff < 0 ||
2433 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2438 static void opt_strict(const char *arg)
2443 static void opt_top_field_first(const char *arg)
2445 top_field_first= atoi(arg);
2448 static void opt_thread_count(const char *arg)
2450 thread_count= atoi(arg);
2451 #if !defined(HAVE_THREADS)
2453 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2457 static void opt_audio_rate(const char *arg)
2459 audio_sample_rate = atoi(arg);
2462 static void opt_audio_channels(const char *arg)
2464 audio_channels = atoi(arg);
2467 static void opt_video_channel(const char *arg)
2469 video_channel = strtol(arg, NULL, 0);
2472 static void opt_video_standard(const char *arg)
2474 video_standard = av_strdup(arg);
2477 static void opt_codec(int *pstream_copy, char **pcodec_name,
2478 int codec_type, const char *arg)
2480 av_freep(pcodec_name);
2481 if (!strcmp(arg, "copy")) {
2484 *pcodec_name = av_strdup(arg);
2488 static void opt_audio_codec(const char *arg)
2490 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2493 static void opt_audio_tag(const char *arg)
2496 audio_codec_tag= strtol(arg, &tail, 0);
2499 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2502 static void opt_video_tag(const char *arg)
2505 video_codec_tag= strtol(arg, &tail, 0);
2508 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2512 static void add_frame_hooker(const char *arg)
2517 char *args = av_strdup(arg);
2521 argv[0] = strtok(args, " ");
2522 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2525 i = frame_hook_add(argc, argv);
2528 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2534 static void opt_video_codec(const char *arg)
2536 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2539 static void opt_subtitle_codec(const char *arg)
2541 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2544 static void opt_map(const char *arg)
2549 m = &stream_maps[nb_stream_maps++];
2551 m->file_index = strtol(arg, &p, 0);
2555 m->stream_index = strtol(p, &p, 0);
2558 m->sync_file_index = strtol(p, &p, 0);
2561 m->sync_stream_index = strtol(p, &p, 0);
2563 m->sync_file_index = m->file_index;
2564 m->sync_stream_index = m->stream_index;
2568 static void opt_map_meta_data(const char *arg)
2573 m = &meta_data_maps[nb_meta_data_maps++];
2575 m->out_file = strtol(arg, &p, 0);
2579 m->in_file = strtol(p, &p, 0);
2582 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2584 int64_t us = parse_date(timestr, is_duration);
2585 if (us == INT64_MIN) {
2586 fprintf(stderr, "Invalid %s specification: %s\n",
2587 is_duration ? "duration" : "date", timestr);
2593 static void opt_recording_time(const char *arg)
2595 recording_time = parse_time_or_die(arg, 1);
2598 static void opt_start_time(const char *arg)
2600 start_time = parse_time_or_die(arg, 1);
2603 static void opt_rec_timestamp(const char *arg)
2605 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2608 static void opt_input_ts_offset(const char *arg)
2610 input_ts_offset = parse_time_or_die(arg, 1);
2613 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2615 const char *codec_string = encoder ? "encoder" : "decoder";
2619 return CODEC_ID_NONE;
2621 avcodec_find_encoder_by_name(name) :
2622 avcodec_find_decoder_by_name(name);
2624 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2627 if(codec->type != type) {
2628 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2634 static void opt_input_file(const char *filename)
2636 AVFormatContext *ic;
2637 AVFormatParameters params, *ap = ¶ms;
2638 int err, i, ret, rfps, rfps_base;
2641 if (!strcmp(filename, "-"))
2644 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2645 !strcmp( filename, "/dev/stdin" );
2647 /* get default parameters from command line */
2648 ic = av_alloc_format_context();
2650 memset(ap, 0, sizeof(*ap));
2651 ap->prealloced_context = 1;
2652 ap->sample_rate = audio_sample_rate;
2653 ap->channels = audio_channels;
2654 ap->time_base.den = frame_rate.num;
2655 ap->time_base.num = frame_rate.den;
2656 ap->width = frame_width + frame_padleft + frame_padright;
2657 ap->height = frame_height + frame_padtop + frame_padbottom;
2658 ap->pix_fmt = frame_pix_fmt;
2659 ap->channel = video_channel;
2660 ap->standard = video_standard;
2661 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2662 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2663 if(pgmyuv_compatibility_hack)
2664 ap->video_codec_id= CODEC_ID_PGMYUV;
2666 for(i=0; i<opt_name_count; i++){
2668 const AVOption *opt;
2669 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2670 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2671 av_set_string(ic, opt_names[i], str);
2674 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2675 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2676 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2678 /* open the input file with generic libav function */
2679 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2681 print_error(filename, err);
2686 for(i=0; i<ic->nb_programs; i++)
2687 if(ic->programs[i]->id != opt_programid)
2688 ic->programs[i]->discard = AVDISCARD_ALL;
2691 ic->loop_input = loop_input;
2693 /* If not enough info to get the stream parameters, we decode the
2694 first frames to get it. (used in mpeg case for example) */
2695 ret = av_find_stream_info(ic);
2696 if (ret < 0 && verbose >= 0) {
2697 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2701 timestamp = start_time;
2702 /* add the stream start time */
2703 if (ic->start_time != AV_NOPTS_VALUE)
2704 timestamp += ic->start_time;
2706 /* if seeking requested, we execute it */
2707 if (start_time != 0) {
2708 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2710 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2711 filename, (double)timestamp / AV_TIME_BASE);
2713 /* reset seek info */
2717 /* update the current parameters so that they match the one of the input stream */
2718 for(i=0;i<ic->nb_streams;i++) {
2720 AVCodecContext *enc = ic->streams[i]->codec;
2722 avcodec_thread_init(enc, thread_count);
2723 enc->thread_count= thread_count;
2724 switch(enc->codec_type) {
2725 case CODEC_TYPE_AUDIO:
2726 for(j=0; j<opt_name_count; j++){
2728 const AVOption *opt;
2729 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2730 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2731 av_set_string(enc, opt_names[j], str);
2733 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2734 audio_channels = enc->channels;
2735 audio_sample_rate = enc->sample_rate;
2737 ic->streams[i]->discard= AVDISCARD_ALL;
2739 case CODEC_TYPE_VIDEO:
2740 for(j=0; j<opt_name_count; j++){
2742 const AVOption *opt;
2743 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2744 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2745 av_set_string(enc, opt_names[j], str);
2747 frame_height = enc->height;
2748 frame_width = enc->width;
2749 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2750 frame_pix_fmt = enc->pix_fmt;
2751 rfps = ic->streams[i]->r_frame_rate.num;
2752 rfps_base = ic->streams[i]->r_frame_rate.den;
2753 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2755 enc->debug |= FF_DEBUG_MV;
2757 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2760 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2761 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2763 (float)rfps / rfps_base, rfps, rfps_base);
2765 /* update the current frame rate to match the stream frame rate */
2766 frame_rate.num = rfps;
2767 frame_rate.den = rfps_base;
2769 enc->rate_emu = rate_emu;
2771 ic->streams[i]->discard= AVDISCARD_ALL;
2772 else if(video_discard)
2773 ic->streams[i]->discard= video_discard;
2775 case CODEC_TYPE_DATA:
2777 case CODEC_TYPE_SUBTITLE:
2778 if(subtitle_disable)
2779 ic->streams[i]->discard = AVDISCARD_ALL;
2781 case CODEC_TYPE_ATTACHMENT:
2782 case CODEC_TYPE_UNKNOWN:
2789 input_files[nb_input_files] = ic;
2790 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2791 /* dump the file content */
2793 dump_format(ic, nb_input_files, filename, 0);
2796 file_iformat = NULL;
2797 file_oformat = NULL;
2802 av_freep(&video_codec_name);
2803 av_freep(&audio_codec_name);
2804 av_freep(&subtitle_codec_name);
2807 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2808 int *has_subtitle_ptr)
2810 int has_video, has_audio, has_subtitle, i, j;
2811 AVFormatContext *ic;
2816 for(j=0;j<nb_input_files;j++) {
2817 ic = input_files[j];
2818 for(i=0;i<ic->nb_streams;i++) {
2819 AVCodecContext *enc = ic->streams[i]->codec;
2820 switch(enc->codec_type) {
2821 case CODEC_TYPE_AUDIO:
2824 case CODEC_TYPE_VIDEO:
2827 case CODEC_TYPE_SUBTITLE:
2830 case CODEC_TYPE_DATA:
2831 case CODEC_TYPE_ATTACHMENT:
2832 case CODEC_TYPE_UNKNOWN:
2839 *has_video_ptr = has_video;
2840 *has_audio_ptr = has_audio;
2841 *has_subtitle_ptr = has_subtitle;
2844 static void new_video_stream(AVFormatContext *oc)
2847 AVCodecContext *video_enc;
2850 st = av_new_stream(oc, oc->nb_streams);
2852 fprintf(stderr, "Could not alloc stream\n");
2855 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2856 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2857 video_bitstream_filters= NULL;
2860 avcodec_thread_init(st->codec, thread_count);
2862 video_enc = st->codec;
2865 video_enc->codec_tag= video_codec_tag;
2867 if( (video_global_header&1)
2868 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2869 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2870 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2872 if(video_global_header&2){
2873 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2874 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2877 if (video_stream_copy) {
2878 st->stream_copy = 1;
2879 video_enc->codec_type = CODEC_TYPE_VIDEO;
2884 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2886 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2887 if (video_codec_name)
2888 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2890 video_enc->codec_id = codec_id;
2891 codec = avcodec_find_encoder(codec_id);
2893 for(i=0; i<opt_name_count; i++){
2895 const AVOption *opt;
2896 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2897 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2898 av_set_string(video_enc, opt_names[i], str);
2901 video_enc->time_base.den = fps.num;
2902 video_enc->time_base.num = fps.den;
2903 if(codec && codec->supported_framerates){
2904 const AVRational *p= codec->supported_framerates;
2905 const AVRational *best=NULL;
2906 AVRational best_error= (AVRational){INT_MAX, 1};
2907 for(; p->den!=0; p++){
2908 AVRational error= av_sub_q(fps, *p);
2909 if(error.num <0) error.num *= -1;
2910 if(av_cmp_q(error, best_error) < 0){
2915 video_enc->time_base.den= best->num;
2916 video_enc->time_base.num= best->den;
2919 video_enc->width = frame_width + frame_padright + frame_padleft;
2920 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2921 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2922 video_enc->pix_fmt = frame_pix_fmt;
2924 if(codec && codec->pix_fmts){
2925 const enum PixelFormat *p= codec->pix_fmts;
2927 if(*p == video_enc->pix_fmt)
2931 video_enc->pix_fmt = codec->pix_fmts[0];
2935 video_enc->gop_size = 0;
2936 if (video_qscale || same_quality) {
2937 video_enc->flags |= CODEC_FLAG_QSCALE;
2938 video_enc->global_quality=
2939 st->quality = FF_QP2LAMBDA * video_qscale;
2943 video_enc->intra_matrix = intra_matrix;
2945 video_enc->inter_matrix = inter_matrix;
2947 video_enc->max_qdiff = video_qdiff;
2948 video_enc->thread_count = thread_count;
2949 p= video_rc_override_string;
2952 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2954 fprintf(stderr, "error parsing rc_override\n");
2957 video_enc->rc_override=
2958 av_realloc(video_enc->rc_override,
2959 sizeof(RcOverride)*(i+1));
2960 video_enc->rc_override[i].start_frame= start;
2961 video_enc->rc_override[i].end_frame = end;
2963 video_enc->rc_override[i].qscale= q;
2964 video_enc->rc_override[i].quality_factor= 1.0;
2967 video_enc->rc_override[i].qscale= 0;
2968 video_enc->rc_override[i].quality_factor= -q/100.0;
2973 video_enc->rc_override_count=i;
2974 if (!video_enc->rc_initial_buffer_occupancy)
2975 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2976 video_enc->me_threshold= me_threshold;
2977 video_enc->intra_dc_precision= intra_dc_precision - 8;
2978 video_enc->strict_std_compliance = strict;
2981 video_enc->flags|= CODEC_FLAG_PSNR;
2986 video_enc->flags |= CODEC_FLAG_PASS1;
2988 video_enc->flags |= CODEC_FLAG_PASS2;
2993 /* reset some key parameters */
2995 av_freep(&video_codec_name);
2996 video_stream_copy = 0;
2999 static void new_audio_stream(AVFormatContext *oc)
3002 AVCodecContext *audio_enc;
3005 st = av_new_stream(oc, oc->nb_streams);
3007 fprintf(stderr, "Could not alloc stream\n");
3010 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3012 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3013 audio_bitstream_filters= NULL;
3016 avcodec_thread_init(st->codec, thread_count);
3018 audio_enc = st->codec;
3019 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3020 audio_enc->strict_std_compliance = strict;
3023 audio_enc->codec_tag= audio_codec_tag;
3025 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3026 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3027 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3029 if (audio_stream_copy) {
3030 st->stream_copy = 1;
3031 audio_enc->channels = audio_channels;
3033 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3035 for(i=0; i<opt_name_count; i++){
3037 const AVOption *opt;
3038 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3039 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3040 av_set_string(audio_enc, opt_names[i], str);
3043 if (audio_codec_name)
3044 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3045 audio_enc->codec_id = codec_id;
3047 if (audio_qscale > QSCALE_NONE) {
3048 audio_enc->flags |= CODEC_FLAG_QSCALE;
3049 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3051 audio_enc->thread_count = thread_count;
3052 audio_enc->channels = audio_channels;
3054 audio_enc->sample_rate = audio_sample_rate;
3055 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3056 if (audio_language) {
3057 av_strlcpy(st->language, audio_language, sizeof(st->language));
3058 av_free(audio_language);
3059 audio_language = NULL;
3062 /* reset some key parameters */
3064 av_freep(&audio_codec_name);
3065 audio_stream_copy = 0;
3068 static void new_subtitle_stream(AVFormatContext *oc)
3071 AVCodecContext *subtitle_enc;
3074 st = av_new_stream(oc, oc->nb_streams);
3076 fprintf(stderr, "Could not alloc stream\n");
3079 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3081 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3082 subtitle_bitstream_filters= NULL;
3084 subtitle_enc = st->codec;
3085 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3086 if (subtitle_stream_copy) {
3087 st->stream_copy = 1;
3089 for(i=0; i<opt_name_count; i++){
3091 const AVOption *opt;
3092 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3093 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3094 av_set_string(subtitle_enc, opt_names[i], str);
3096 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3099 if (subtitle_language) {
3100 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3101 av_free(subtitle_language);
3102 subtitle_language = NULL;
3105 subtitle_disable = 0;
3106 av_freep(&subtitle_codec_name);
3107 subtitle_stream_copy = 0;
3110 static void opt_new_audio_stream(void)
3112 AVFormatContext *oc;
3113 if (nb_output_files <= 0) {
3114 fprintf(stderr, "At least one output file must be specified\n");
3117 oc = output_files[nb_output_files - 1];
3118 new_audio_stream(oc);
3121 static void opt_new_video_stream(void)
3123 AVFormatContext *oc;
3124 if (nb_output_files <= 0) {
3125 fprintf(stderr, "At least one output file must be specified\n");
3128 oc = output_files[nb_output_files - 1];
3129 new_video_stream(oc);
3132 static void opt_new_subtitle_stream(void)
3134 AVFormatContext *oc;
3135 if (nb_output_files <= 0) {
3136 fprintf(stderr, "At least one output file must be specified\n");
3139 oc = output_files[nb_output_files - 1];
3140 new_subtitle_stream(oc);
3143 static void opt_output_file(const char *filename)
3145 AVFormatContext *oc;
3146 int use_video, use_audio, use_subtitle;
3147 int input_has_video, input_has_audio, input_has_subtitle, i;
3148 AVFormatParameters params, *ap = ¶ms;
3150 if (!strcmp(filename, "-"))
3153 oc = av_alloc_format_context();
3155 if (!file_oformat) {
3156 file_oformat = guess_format(NULL, filename, NULL);
3157 if (!file_oformat) {
3158 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3164 oc->oformat = file_oformat;
3165 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3167 if (!strcmp(file_oformat->name, "ffm") &&
3168 av_strstart(filename, "http:", NULL)) {
3169 /* special case for files sent to ffserver: we get the stream
3170 parameters from ffserver */
3171 if (read_ffserver_streams(oc, filename) < 0) {
3172 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3176 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3177 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3178 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3180 /* disable if no corresponding type found and at least one
3182 if (nb_input_files > 0) {
3183 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3184 &input_has_subtitle);
3185 if (!input_has_video)
3187 if (!input_has_audio)
3189 if (!input_has_subtitle)
3193 /* manual disable */
3194 if (audio_disable) {
3197 if (video_disable) {
3200 if (subtitle_disable) {
3205 new_video_stream(oc);
3209 new_audio_stream(oc);
3213 new_subtitle_stream(oc);
3216 oc->timestamp = rec_timestamp;
3219 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3221 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3223 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3225 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3227 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3229 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3232 output_files[nb_output_files++] = oc;
3234 /* check filename in case of an image number is expected */
3235 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3236 if (!av_filename_number_test(oc->filename)) {
3237 print_error(oc->filename, AVERROR_NUMEXPECTED);
3242 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3243 /* test if it already exists to avoid loosing precious files */
3244 if (!file_overwrite &&
3245 (strchr(filename, ':') == NULL ||
3246 filename[1] == ':' ||
3247 av_strstart(filename, "file:", NULL))) {
3248 if (url_exist(filename)) {
3251 if ( !using_stdin ) {
3252 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3255 if (toupper(c) != 'Y') {
3256 fprintf(stderr, "Not overwriting - exiting\n");
3261 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3268 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3269 fprintf(stderr, "Could not open '%s'\n", filename);
3274 memset(ap, 0, sizeof(*ap));
3275 if (av_set_parameters(oc, ap) < 0) {
3276 fprintf(stderr, "%s: Invalid encoding parameters\n",
3281 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3282 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3283 oc->loop_output = loop_output;
3285 for(i=0; i<opt_name_count; i++){
3287 const AVOption *opt;
3288 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3289 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3290 av_set_string(oc, opt_names[i], str);
3293 /* reset some options */
3294 file_oformat = NULL;
3295 file_iformat = NULL;
3298 /* same option as mencoder */
3299 static void opt_pass(const char *pass_str)
3302 pass = atoi(pass_str);
3303 if (pass != 1 && pass != 2) {
3304 fprintf(stderr, "pass number can be only 1 or 2\n");
3310 static int64_t getutime(void)
3312 #ifdef HAVE_GETRUSAGE
3313 struct rusage rusage;
3315 getrusage(RUSAGE_SELF, &rusage);
3316 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3317 #elif defined(HAVE_GETPROCESSTIMES)
3319 FILETIME c, e, k, u;
3320 proc = GetCurrentProcess();
3321 GetProcessTimes(proc, &c, &e, &k, &u);
3322 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3324 return av_gettime();
3328 static void opt_show_formats(void)
3330 AVInputFormat *ifmt=NULL;
3331 AVOutputFormat *ofmt=NULL;
3332 URLProtocol *up=NULL;
3333 AVCodec *p=NULL, *p2;
3334 AVBitStreamFilter *bsf=NULL;
3335 const char *last_name;
3337 printf("File formats:\n");
3342 const char *name=NULL;
3343 const char *long_name=NULL;
3345 while((ofmt= av_oformat_next(ofmt))) {
3346 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3347 strcmp(ofmt->name, last_name)>0){
3349 long_name= ofmt->long_name;
3353 while((ifmt= av_iformat_next(ifmt))) {
3354 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3355 strcmp(ifmt->name, last_name)>0){
3357 long_name= ifmt->long_name;
3360 if(name && strcmp(ifmt->name, name)==0)
3372 long_name ? long_name:" ");
3376 printf("Codecs:\n");
3382 const char *type_str;
3385 while((p= av_codec_next(p))) {
3386 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3387 strcmp(p->name, last_name)>0){
3389 decode= encode= cap=0;
3391 if(p2 && strcmp(p->name, p2->name)==0){
3392 if(p->decode) decode=1;
3393 if(p->encode) encode=1;
3394 cap |= p->capabilities;
3399 last_name= p2->name;
3402 case CODEC_TYPE_VIDEO:
3405 case CODEC_TYPE_AUDIO:
3408 case CODEC_TYPE_SUBTITLE:
3417 decode ? "D": (/*p2->decoder ? "d":*/" "),
3420 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3421 cap & CODEC_CAP_DR1 ? "D":" ",
3422 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3424 /* if(p2->decoder && decode==0)
3425 printf(" use %s for decoding", p2->decoder->name);*/
3430 printf("Bitstream filters:\n");
3431 while((bsf = av_bitstream_filter_next(bsf)))
3432 printf(" %s", bsf->name);
3435 printf("Supported file protocols:\n");
3436 while((up = av_protocol_next(up)))
3437 printf(" %s:", up->name);
3440 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3443 "Note, the names of encoders and decoders do not always match, so there are\n"
3444 "several cases where the above table shows encoder only or decoder only entries\n"
3445 "even though both encoding and decoding are supported. For example, the h263\n"
3446 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3451 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3454 const char *p = str;
3461 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3468 static void opt_inter_matrix(const char *arg)
3470 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3471 parse_matrix_coeffs(inter_matrix, arg);
3474 static void opt_intra_matrix(const char *arg)
3476 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3477 parse_matrix_coeffs(intra_matrix, arg);
3481 * Trivial log callback.
3482 * Only suitable for show_help and similar since it lacks prefix handling.
3484 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3486 vfprintf(stdout, fmt, vl);
3489 static void show_help(void)
3491 av_log_set_callback(log_callback_help);
3492 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3493 "Hyper fast Audio and Video encoder\n");
3495 show_help_options(options, "Main options:\n",
3496 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3497 show_help_options(options, "\nVideo options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3500 show_help_options(options, "\nAdvanced Video options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3502 OPT_VIDEO | OPT_EXPERT);
3503 show_help_options(options, "\nAudio options:\n",
3504 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 show_help_options(options, "\nAdvanced Audio options:\n",
3507 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3508 OPT_AUDIO | OPT_EXPERT);
3509 show_help_options(options, "\nSubtitle options:\n",
3510 OPT_SUBTITLE | OPT_GRAB,
3512 show_help_options(options, "\nAudio/Video grab options:\n",
3515 show_help_options(options, "\nAdvanced options:\n",
3516 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3518 av_opt_show(avctx_opts[0], NULL);
3519 av_opt_show(avformat_opts, NULL);
3520 av_opt_show(sws_opts, NULL);
3523 static void opt_show_help(void)
3529 static void opt_target(const char *arg)
3532 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3534 if(!strncmp(arg, "pal-", 4)) {
3537 } else if(!strncmp(arg, "ntsc-", 5)) {
3540 } else if(!strncmp(arg, "film-", 5)) {
3545 /* Calculate FR via float to avoid int overflow */
3546 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3549 } else if((fr == 29970) || (fr == 23976)) {
3552 /* Try to determine PAL/NTSC by peeking in the input files */
3553 if(nb_input_files) {
3555 for(j = 0; j < nb_input_files; j++) {
3556 for(i = 0; i < input_files[j]->nb_streams; i++) {
3557 AVCodecContext *c = input_files[j]->streams[i]->codec;
3558 if(c->codec_type != CODEC_TYPE_VIDEO)
3560 fr = c->time_base.den * 1000 / c->time_base.num;
3564 } else if((fr == 29970) || (fr == 23976)) {
3574 if(verbose && norm >= 0)
3575 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3579 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3580 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3581 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3585 if(!strcmp(arg, "vcd")) {
3587 opt_video_codec("mpeg1video");
3588 opt_audio_codec("mp2");
3591 opt_frame_size(norm ? "352x240" : "352x288");
3592 opt_frame_rate(frame_rates[norm]);
3593 opt_default("gop", norm ? "18" : "15");
3595 opt_default("b", "1150000");
3596 opt_default("maxrate", "1150000");
3597 opt_default("minrate", "1150000");
3598 opt_default("bufsize", "327680"); // 40*1024*8;
3600 opt_default("ab", "224000");
3601 audio_sample_rate = 44100;
3604 opt_default("packetsize", "2324");
3605 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3607 /* We have to offset the PTS, so that it is consistent with the SCR.
3608 SCR starts at 36000, but the first two packs contain only padding
3609 and the first pack from the other stream, respectively, may also have
3610 been written before.
3611 So the real data starts at SCR 36000+3*1200. */
3612 mux_preload= (36000+3*1200) / 90000.0; //0.44
3613 } else if(!strcmp(arg, "svcd")) {
3615 opt_video_codec("mpeg2video");
3616 opt_audio_codec("mp2");
3619 opt_frame_size(norm ? "480x480" : "480x576");
3620 opt_frame_rate(frame_rates[norm]);
3621 opt_default("gop", norm ? "18" : "15");
3623 opt_default("b", "2040000");
3624 opt_default("maxrate", "2516000");
3625 opt_default("minrate", "0"); //1145000;
3626 opt_default("bufsize", "1835008"); //224*1024*8;
3627 opt_default("flags", "+SCAN_OFFSET");
3630 opt_default("ab", "224000");
3631 audio_sample_rate = 44100;
3633 opt_default("packetsize", "2324");
3635 } else if(!strcmp(arg, "dvd")) {
3637 opt_video_codec("mpeg2video");
3638 opt_audio_codec("ac3");
3641 opt_frame_size(norm ? "720x480" : "720x576");
3642 opt_frame_rate(frame_rates[norm]);
3643 opt_default("gop", norm ? "18" : "15");
3645 opt_default("b", "6000000");
3646 opt_default("maxrate", "9000000");
3647 opt_default("minrate", "0"); //1500000;
3648 opt_default("bufsize", "1835008"); //224*1024*8;
3650 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3651 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3653 opt_default("ab", "448000");
3654 audio_sample_rate = 48000;
3656 } else if(!strncmp(arg, "dv", 2)) {
3660 opt_frame_size(norm ? "720x480" : "720x576");
3661 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3662 (norm ? "yuv411p" : "yuv420p"));
3663 opt_frame_rate(frame_rates[norm]);
3665 audio_sample_rate = 48000;
3669 fprintf(stderr, "Unknown target: %s\n", arg);
3674 static void opt_vstats_file (const char *arg)
3676 av_free (vstats_filename);
3677 vstats_filename=av_strdup (arg);
3680 static void opt_vstats (void)
3683 time_t today2 = time(NULL);
3684 struct tm *today = localtime(&today2);
3686 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3688 opt_vstats_file(filename);
3691 static int opt_bsf(const char *opt, const char *arg)
3693 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3694 AVBitStreamFilterContext **bsfp;
3697 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3701 bsfp= *opt == 'v' ? &video_bitstream_filters :
3702 *opt == 'a' ? &audio_bitstream_filters :
3703 &subtitle_bitstream_filters;
3705 bsfp= &(*bsfp)->next;
3712 static void opt_show_license(void)
3718 static void opt_show_version(void)
3720 show_version(program_name);
3724 const OptionDef options[] = {
3726 { "L", 0, {(void*)opt_show_license}, "show license" },
3727 { "h", 0, {(void*)opt_show_help}, "show help" },
3728 { "version", 0, {(void*)opt_show_version}, "show version" },
3729 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3730 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3731 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3732 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3733 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3734 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3735 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3736 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3737 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3738 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3739 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3740 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3741 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3742 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3743 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3744 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3745 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3746 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3747 "add timings for benchmarking" },
3748 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3749 "dump each input packet" },
3750 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3751 "when dumping packets, also dump the payload" },
3752 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3753 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3754 { "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)", "" },
3755 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3756 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3757 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3758 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3759 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3760 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3761 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3762 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3763 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3764 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3765 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3768 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3769 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3770 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3771 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3772 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3773 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3774 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3775 { "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" },
3776 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3777 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3778 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3779 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3780 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3781 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3782 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3783 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3784 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3785 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3786 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3787 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3788 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3789 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3790 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3791 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3792 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3793 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3794 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3795 "use same video quality as source (implies VBR)" },
3796 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3797 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3798 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3799 "deinterlace pictures" },
3800 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3801 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3802 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3804 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3806 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3807 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3808 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3809 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3810 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3811 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3812 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3815 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3816 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3817 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3818 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3819 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3820 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3821 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3822 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3823 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3824 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3825 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3827 /* subtitle options */
3828 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3829 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3830 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3831 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3834 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3835 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3836 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3839 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3840 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3842 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3843 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3844 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3846 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3850 static int av_exit()
3855 for(i=0;i<nb_output_files;i++) {
3856 /* maybe av_close_output_file ??? */
3857 AVFormatContext *s = output_files[i];
3859 if (!(s->oformat->flags & AVFMT_NOFILE))
3861 for(j=0;j<s->nb_streams;j++) {
3862 av_free(s->streams[j]->codec);
3863 av_free(s->streams[j]);
3867 for(i=0;i<nb_input_files;i++)
3868 av_close_input_file(input_files[i]);
3872 av_free(intra_matrix);
3873 av_free(inter_matrix);
3876 fclose(vstats_file);
3877 av_free(vstats_filename);
3881 av_free(video_codec_name);
3882 av_free(audio_codec_name);
3883 av_free(subtitle_codec_name);
3885 av_free(video_standard);
3887 #ifdef CONFIG_POWERPC_PERF
3888 extern void powerpc_display_perf_report(void);
3889 powerpc_display_perf_report();
3890 #endif /* CONFIG_POWERPC_PERF */
3892 if (received_sigterm) {
3894 "Received signal %d: terminating.\n",
3895 (int) received_sigterm);
3899 exit(0); /* not all OS-es handle main() return value */
3903 int main(int argc, char **argv)
3908 avcodec_register_all();
3909 avdevice_register_all();
3912 for(i=0; i<CODEC_TYPE_NB; i++){
3913 avctx_opts[i]= avcodec_alloc_context2(i);
3915 avformat_opts = av_alloc_format_context();
3916 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3918 show_banner(program_name, program_birth_year);
3925 parse_options(argc, argv, options, opt_output_file);
3927 /* file converter / grab */
3928 if (nb_output_files <= 0) {
3929 fprintf(stderr, "Must supply at least one output file\n");
3933 if (nb_input_files == 0) {
3934 fprintf(stderr, "Must supply at least one input file\n");
3939 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3940 stream_maps, nb_stream_maps);
3941 ti = getutime() - ti;
3943 printf("bench: utime=%0.3fs\n", ti / 1000000.0);