3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
33 #include "framehook.h"
37 #include "os_support.h"
39 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
43 #if defined(HAVE_TERMIOS_H)
46 #include <sys/ioctl.h>
49 #include <sys/resource.h>
50 #elif defined(HAVE_CONIO_H)
53 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
62 #if !defined(INFINITY) && defined(HUGE_VAL)
63 #define INFINITY HUGE_VAL
68 static const char program_name[] = "FFmpeg";
69 static const int program_birth_year = 2000;
71 /* select an input stream for an output stream */
72 typedef struct AVStreamMap {
76 int sync_stream_index;
79 /** select an input file for an output file */
80 typedef struct AVMetaDataMap {
85 extern const OptionDef options[];
89 static AVFormatContext *input_files[MAX_FILES];
90 static int64_t input_files_ts_offset[MAX_FILES];
91 static int nb_input_files = 0;
93 static AVFormatContext *output_files[MAX_FILES];
94 static int nb_output_files = 0;
96 static AVStreamMap stream_maps[MAX_FILES];
97 static int nb_stream_maps;
99 static AVMetaDataMap meta_data_maps[MAX_FILES];
100 static int nb_meta_data_maps;
102 static AVInputFormat *file_iformat;
103 static AVOutputFormat *file_oformat;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static int frame_padtop = 0;
109 static int frame_padbottom = 0;
110 static int frame_padleft = 0;
111 static int frame_padright = 0;
112 static int padcolor[3] = {16,128,128}; /* default to black */
113 static int frame_topBand = 0;
114 static int frame_bottomBand = 0;
115 static int frame_leftBand = 0;
116 static int frame_rightBand = 0;
117 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
118 static AVRational frame_rate = (AVRational) {0,0};
119 static float video_qscale = 0;
120 static int video_qdiff = 3;
121 static uint16_t *intra_matrix = NULL;
122 static uint16_t *inter_matrix = NULL;
123 #if 0 //experimental, (can be removed)
124 static float video_rc_qsquish=1.0;
125 static float video_rc_qmod_amp=0;
126 static int video_rc_qmod_freq=0;
128 static const char *video_rc_override_string=NULL;
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_genre = NULL;
170 static char *str_album = NULL;
171 static int do_benchmark = 0;
172 static int do_hex_dump = 0;
173 static int do_pkt_dump = 0;
174 static int do_psnr = 0;
175 static int do_pass = 0;
176 static char *pass_logfilename = NULL;
177 static int audio_stream_copy = 0;
178 static int video_stream_copy = 0;
179 static int subtitle_stream_copy = 0;
180 static int video_sync_method= 1;
181 static int audio_sync_method= 0;
182 static float audio_drift_threshold= 0.1;
183 static int copy_ts= 0;
184 static int opt_shortest = 0; //
185 static int video_global_header = 0;
186 static char *vstats_filename;
187 static FILE *vstats_file;
188 static int opt_programid = 0;
190 static int rate_emu = 0;
192 static int video_channel = 0;
193 static char *video_standard;
195 static int audio_volume = 256;
197 static int using_stdin = 0;
198 static int using_vhook = 0;
199 static int verbose = 1;
200 static int thread_count= 1;
201 static int q_pressed = 0;
202 static int64_t video_size = 0;
203 static int64_t audio_size = 0;
204 static int64_t extra_size = 0;
205 static int nb_frames_dup = 0;
206 static int nb_frames_drop = 0;
207 static int input_sync;
208 static uint64_t limit_filesize = 0; //
210 static int pgmyuv_compatibility_hack=0;
211 static float dts_delta_threshold = 10;
213 static int sws_flags = SWS_BICUBIC;
215 static const char **opt_names;
216 static int opt_name_count;
217 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
218 static AVFormatContext *avformat_opts;
219 static struct SwsContext *sws_opts;
220 static int64_t timer_start;
222 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
227 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
229 struct AVInputStream;
231 typedef struct AVOutputStream {
232 int file_index; /* file index */
233 int index; /* stream index in the output file */
234 int source_index; /* AVInputStream index */
235 AVStream *st; /* stream in the output file */
236 int encoding_needed; /* true if encoding needed for this stream */
238 /* input pts and corresponding output pts
240 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
241 struct AVInputStream *sync_ist; /* input stream to sync against */
242 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
245 AVFrame pict_tmp; /* temporary image for resampling */
246 struct SwsContext *img_resample_ctx; /* for image resampling */
250 int topBand; /* cropping area sizes */
254 int padtop; /* padding area sizes */
261 ReSampleContext *resample; /* for audio resampling */
262 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
266 typedef struct AVInputStream {
270 int discard; /* true if stream data should be discarded */
271 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
272 int64_t sample_index; /* current sample */
274 int64_t start; /* time when read started */
275 unsigned long frame; /* current frame */
276 int64_t next_pts; /* synthetic pts for cases where pkt.pts
278 int64_t pts; /* current pts */
279 int is_start; /* is 1 at the start and after a discontinuity */
282 typedef struct AVInputFile {
283 int eof_reached; /* true if eof reached */
284 int ist_index; /* index of first stream in ist_table */
285 int buffer_size; /* current total buffer size */
286 int nb_streams; /* nb streams we are aware of */
289 #ifdef HAVE_TERMIOS_H
291 /* init terminal so that we can grab keys */
292 static struct termios oldtty;
295 static void term_exit(void)
297 #ifdef HAVE_TERMIOS_H
298 tcsetattr (0, TCSANOW, &oldtty);
302 static volatile sig_atomic_t received_sigterm = 0;
305 sigterm_handler(int sig)
307 received_sigterm = sig;
311 static void term_init(void)
313 #ifdef HAVE_TERMIOS_H
319 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
320 |INLCR|IGNCR|ICRNL|IXON);
321 tty.c_oflag |= OPOST;
322 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
323 tty.c_cflag &= ~(CSIZE|PARENB);
328 tcsetattr (0, TCSANOW, &tty);
329 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
332 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
333 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
335 register a function to be called at normal program termination
338 #ifdef CONFIG_BEOS_NETSERVER
339 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
343 /* read a key without blocking */
344 static int read_key(void)
346 #if defined(HAVE_TERMIOS_H)
349 #ifndef CONFIG_BEOS_NETSERVER
357 n = select(1, &rfds, NULL, NULL, &tv);
366 #elif defined(HAVE_CONIO_H)
373 static int decode_interrupt_cb(void)
375 return q_pressed || (q_pressed = read_key() == 'q');
378 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
383 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
386 /* copy stream format */
387 s->nb_streams = ic->nb_streams;
388 for(i=0;i<ic->nb_streams;i++) {
391 // FIXME: a more elegant solution is needed
392 st = av_mallocz(sizeof(AVStream));
393 memcpy(st, ic->streams[i], sizeof(AVStream));
394 st->codec = avcodec_alloc_context();
395 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
399 av_close_input_file(ic);
404 get_sync_ipts(const AVOutputStream *ost)
406 const AVInputStream *ist = ost->sync_ist;
407 return (double)(ist->pts - start_time)/AV_TIME_BASE;
410 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
414 AVPacket new_pkt= *pkt;
415 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
416 &new_pkt.data, &new_pkt.size,
417 pkt->data, pkt->size,
418 pkt->flags & PKT_FLAG_KEY);
421 new_pkt.destruct= av_destruct_packet;
423 fprintf(stderr, "%s failed for stream %d, codec %s",
424 bsfc->filter->name, pkt->stream_index,
425 avctx->codec ? avctx->codec->name : "copy");
433 ret= av_interleaved_write_frame(s, pkt);
435 print_error("av_interleaved_write_frame()", ret);
440 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
442 static void do_audio_out(AVFormatContext *s,
445 unsigned char *buf, int size)
448 static uint8_t *audio_buf = NULL;
449 static uint8_t *audio_out = NULL;
450 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
452 int size_out, frame_bytes, ret;
453 AVCodecContext *enc= ost->st->codec;
454 AVCodecContext *dec= ist->st->codec;
456 /* SC: dynamic allocation of buffers */
458 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
460 audio_out = av_malloc(audio_out_size);
461 if (!audio_buf || !audio_out)
462 return; /* Should signal an error ! */
464 if (enc->channels != dec->channels)
465 ost->audio_resample = 1;
467 if (ost->audio_resample && !ost->resample) {
468 ost->resample = audio_resample_init(enc->channels, dec->channels,
469 enc->sample_rate, dec->sample_rate);
470 if (!ost->resample) {
471 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
472 dec->channels, dec->sample_rate,
473 enc->channels, enc->sample_rate);
478 if(audio_sync_method){
479 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
480 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
481 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
482 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
484 //FIXME resample delay
485 if(fabs(delta) > 50){
486 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
488 byte_delta= FFMAX(byte_delta, -size);
492 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
497 static uint8_t *input_tmp= NULL;
498 input_tmp= av_realloc(input_tmp, byte_delta + size);
500 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
503 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
505 memset(input_tmp, 0, byte_delta);
506 memcpy(input_tmp + byte_delta, buf, size);
510 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
512 }else if(audio_sync_method>1){
513 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
514 assert(ost->audio_resample);
516 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
517 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2));
518 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
522 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
523 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
525 if (ost->audio_resample) {
527 size_out = audio_resample(ost->resample,
528 (short *)buftmp, (short *)buf,
529 size / (ist->st->codec->channels * 2));
530 size_out = size_out * enc->channels * 2;
536 /* now encode as many frames as possible */
537 if (enc->frame_size > 1) {
538 /* output resampled raw samples */
539 av_fifo_write(&ost->fifo, buftmp, size_out);
541 frame_bytes = enc->frame_size * 2 * enc->channels;
543 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
545 av_init_packet(&pkt);
547 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
550 pkt.stream_index= ost->index;
553 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
554 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
555 pkt.flags |= PKT_FLAG_KEY;
556 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
558 ost->sync_opts += enc->frame_size;
562 av_init_packet(&pkt);
564 ost->sync_opts += size_out / (2 * enc->channels);
566 /* output a pcm frame */
567 /* XXX: change encoding codec API to avoid this ? */
568 switch(enc->codec->id) {
569 case CODEC_ID_PCM_S32LE:
570 case CODEC_ID_PCM_S32BE:
571 case CODEC_ID_PCM_U32LE:
572 case CODEC_ID_PCM_U32BE:
573 size_out = size_out << 1;
575 case CODEC_ID_PCM_S24LE:
576 case CODEC_ID_PCM_S24BE:
577 case CODEC_ID_PCM_U24LE:
578 case CODEC_ID_PCM_U24BE:
579 case CODEC_ID_PCM_S24DAUD:
580 size_out = size_out / 2 * 3;
582 case CODEC_ID_PCM_S16LE:
583 case CODEC_ID_PCM_S16BE:
584 case CODEC_ID_PCM_U16LE:
585 case CODEC_ID_PCM_U16BE:
588 size_out = size_out >> 1;
591 ret = avcodec_encode_audio(enc, audio_out, size_out,
594 pkt.stream_index= ost->index;
597 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
598 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
599 pkt.flags |= PKT_FLAG_KEY;
600 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
604 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
608 AVPicture picture_tmp;
611 dec = ist->st->codec;
613 /* deinterlace : must be done before any resize */
614 if (do_deinterlace || using_vhook) {
617 /* create temporary picture */
618 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
619 buf = av_malloc(size);
623 picture2 = &picture_tmp;
624 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
627 if(avpicture_deinterlace(picture2, picture,
628 dec->pix_fmt, dec->width, dec->height) < 0) {
629 /* if error, do not deinterlace */
635 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
642 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
643 1000000 * ist->pts / AV_TIME_BASE);
645 if (picture != picture2)
646 *picture = *picture2;
650 /* we begin to correct av delay at this threshold */
651 #define AV_DELAY_MAX 0.100
653 static void do_subtitle_out(AVFormatContext *s,
659 static uint8_t *subtitle_out = NULL;
660 int subtitle_out_max_size = 65536;
661 int subtitle_out_size, nb, i;
665 if (pts == AV_NOPTS_VALUE) {
666 fprintf(stderr, "Subtitle packets must have a pts\n");
670 enc = ost->st->codec;
673 subtitle_out = av_malloc(subtitle_out_max_size);
676 /* Note: DVB subtitle need one packet to draw them and one other
677 packet to clear them */
678 /* XXX: signal it in the codec context ? */
679 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
684 for(i = 0; i < nb; i++) {
685 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
686 subtitle_out_max_size, sub);
688 av_init_packet(&pkt);
689 pkt.stream_index = ost->index;
690 pkt.data = subtitle_out;
691 pkt.size = subtitle_out_size;
692 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
693 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
694 /* XXX: the pts correction is handled here. Maybe handling
695 it in the codec would be better */
697 pkt.pts += 90 * sub->start_display_time;
699 pkt.pts += 90 * sub->end_display_time;
701 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
705 static int bit_buffer_size= 1024*256;
706 static uint8_t *bit_buffer= NULL;
708 static void do_video_out(AVFormatContext *s,
714 int nb_frames, i, ret;
715 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
716 AVFrame picture_crop_temp, picture_pad_temp;
717 AVCodecContext *enc, *dec;
719 avcodec_get_frame_defaults(&picture_crop_temp);
720 avcodec_get_frame_defaults(&picture_pad_temp);
722 enc = ost->st->codec;
723 dec = ist->st->codec;
725 /* by default, we output a single frame */
730 if(video_sync_method){
732 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
733 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
736 else if (vdelta > 1.1)
737 nb_frames = lrintf(vdelta);
738 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
742 fprintf(stderr, "*** drop!\n");
743 }else if (nb_frames > 1) {
744 nb_frames_dup += nb_frames;
746 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
749 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
751 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
755 if (ost->video_crop) {
756 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
757 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
760 formatted_picture = &picture_crop_temp;
762 formatted_picture = in_picture;
765 final_picture = formatted_picture;
766 padding_src = formatted_picture;
767 resampling_dst = &ost->pict_tmp;
768 if (ost->video_pad) {
769 final_picture = &ost->pict_tmp;
770 if (ost->video_resample) {
771 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
772 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
775 resampling_dst = &picture_pad_temp;
779 if (ost->video_resample) {
781 final_picture = &ost->pict_tmp;
782 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
783 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
786 if (ost->video_pad) {
787 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
788 enc->height, enc->width, enc->pix_fmt,
789 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
792 /* duplicates frame if needed */
793 for(i=0;i<nb_frames;i++) {
795 av_init_packet(&pkt);
796 pkt.stream_index= ost->index;
798 if (s->oformat->flags & AVFMT_RAWPICTURE) {
799 /* raw pictures are written as AVPicture structure to
800 avoid any copies. We support temorarily the older
802 AVFrame* old_frame = enc->coded_frame;
803 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
804 pkt.data= (uint8_t *)final_picture;
805 pkt.size= sizeof(AVPicture);
806 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
807 pkt.flags |= PKT_FLAG_KEY;
809 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
810 enc->coded_frame = old_frame;
814 big_picture= *final_picture;
815 /* better than nothing: use input picture interlaced
817 big_picture.interlaced_frame = in_picture->interlaced_frame;
818 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
819 if(top_field_first == -1)
820 big_picture.top_field_first = in_picture->top_field_first;
822 big_picture.top_field_first = top_field_first;
825 /* handles sameq here. This is not correct because it may
826 not be a global option */
828 big_picture.quality = ist->st->quality;
830 big_picture.quality = ost->st->quality;
832 big_picture.pict_type = 0;
833 // big_picture.pts = AV_NOPTS_VALUE;
834 big_picture.pts= ost->sync_opts;
835 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
836 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
837 ret = avcodec_encode_video(enc,
838 bit_buffer, bit_buffer_size,
841 fprintf(stderr, "Video encoding failed\n");
844 //enc->frame_number = enc->real_pict_num;
846 pkt.data= bit_buffer;
848 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
849 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
850 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
851 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
852 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
854 if(enc->coded_frame && enc->coded_frame->key_frame)
855 pkt.flags |= PKT_FLAG_KEY;
856 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
858 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
859 // enc->frame_number-1, enc->real_pict_num, ret,
861 /* if two pass, output log */
862 if (ost->logfile && enc->stats_out) {
863 fprintf(ost->logfile, "%s", enc->stats_out);
872 static double psnr(double d){
873 if(d==0) return INFINITY;
874 return -10.0*log(d)/log(10.0);
877 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
882 double ti1, bitrate, avg_bitrate;
884 /* this is executed just the first time do_video_stats is called */
886 vstats_file = fopen(vstats_filename, "w");
893 enc = ost->st->codec;
894 if (enc->codec_type == CODEC_TYPE_VIDEO) {
895 frame_number = ost->frame_number;
896 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
897 if (enc->flags&CODEC_FLAG_PSNR)
898 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
900 fprintf(vstats_file,"f_size= %6d ", frame_size);
901 /* compute pts value */
902 ti1 = ost->sync_opts * av_q2d(enc->time_base);
906 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
907 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
908 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
909 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
910 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
914 static void print_report(AVFormatContext **output_files,
915 AVOutputStream **ost_table, int nb_ostreams,
920 AVFormatContext *oc, *os;
923 int frame_number, vid, i;
924 double bitrate, ti1, pts;
925 static int64_t last_time = -1;
926 static int qp_histogram[52];
928 if (!is_last_report) {
930 /* display the report every 0.5 seconds */
931 cur_time = av_gettime();
932 if (last_time == -1) {
933 last_time = cur_time;
936 if ((cur_time - last_time) < 500000)
938 last_time = cur_time;
942 oc = output_files[0];
944 total_size = url_fsize(oc->pb);
945 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
946 total_size= url_ftell(oc->pb);
951 for(i=0;i<nb_ostreams;i++) {
953 os = output_files[ost->file_index];
954 enc = ost->st->codec;
955 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
956 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
957 enc->coded_frame && !ost->st->stream_copy ?
958 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
960 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
961 float t = (av_gettime()-timer_start) / 1000000.0;
963 frame_number = ost->frame_number;
964 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
965 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
966 enc->coded_frame && !ost->st->stream_copy ?
967 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
970 if(qp_hist && enc->coded_frame){
972 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
973 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
976 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
978 if (enc->flags&CODEC_FLAG_PSNR){
980 double error, error_sum=0;
981 double scale, scale_sum=0;
982 char type[3]= {'Y','U','V'};
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
986 error= enc->error[j];
987 scale= enc->width*enc->height*255.0*255.0*frame_number;
989 error= enc->coded_frame->error[j];
990 scale= enc->width*enc->height*255.0*255.0;
995 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
997 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1001 /* compute min output value */
1002 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1003 if ((pts < ti1) && (pts > 0))
1009 if (verbose || is_last_report) {
1010 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1012 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1013 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1014 (double)total_size / 1024, ti1, bitrate);
1017 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1018 nb_frames_dup, nb_frames_drop);
1021 fprintf(stderr, "%s \r", buf);
1026 if (is_last_report && verbose >= 0){
1027 int64_t raw= audio_size + video_size + extra_size;
1028 fprintf(stderr, "\n");
1029 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1033 100.0*(total_size - raw)/raw
1038 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1039 static int output_packet(AVInputStream *ist, int ist_index,
1040 AVOutputStream **ost_table, int nb_ostreams,
1041 const AVPacket *pkt)
1043 AVFormatContext *os;
1044 AVOutputStream *ost;
1048 int data_size, got_picture;
1050 void *buffer_to_free;
1051 static unsigned int samples_size= 0;
1052 static short *samples= NULL;
1053 AVSubtitle subtitle, *subtitle_to_free;
1057 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1058 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1059 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1061 // assert(ist->pts == ist->next_pts);
1075 /* decode the packet if needed */
1076 data_buf = NULL; /* fail safe */
1078 subtitle_to_free = NULL;
1079 if (ist->decoding_needed) {
1080 switch(ist->st->codec->codec_type) {
1081 case CODEC_TYPE_AUDIO:{
1083 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1084 data_size= samples_size;
1085 /* XXX: could avoid copy if PCM 16 bits with same
1086 endianness as CPU */
1087 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1093 /* Some bug in mpeg audio decoder gives */
1094 /* data_size < 0, it seems they are overflows */
1095 if (data_size <= 0) {
1096 /* no audio frame */
1099 data_buf = (uint8_t *)samples;
1100 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1101 (ist->st->codec->sample_rate * ist->st->codec->channels);
1103 case CODEC_TYPE_VIDEO:
1104 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1105 /* XXX: allocate picture correctly */
1106 avcodec_get_frame_defaults(&picture);
1108 ret = avcodec_decode_video(ist->st->codec,
1109 &picture, &got_picture, ptr, len);
1110 ist->st->quality= picture.quality;
1114 /* no picture yet */
1115 goto discard_packet;
1117 if (ist->st->codec->time_base.num != 0) {
1118 ist->next_pts += ((int64_t)AV_TIME_BASE *
1119 ist->st->codec->time_base.num) /
1120 ist->st->codec->time_base.den;
1124 case CODEC_TYPE_SUBTITLE:
1125 ret = avcodec_decode_subtitle(ist->st->codec,
1126 &subtitle, &got_subtitle, ptr, len);
1129 if (!got_subtitle) {
1130 goto discard_packet;
1132 subtitle_to_free = &subtitle;
1139 switch(ist->st->codec->codec_type) {
1140 case CODEC_TYPE_AUDIO:
1141 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1142 ist->st->codec->sample_rate;
1144 case CODEC_TYPE_VIDEO:
1145 if (ist->st->codec->time_base.num != 0) {
1146 ist->next_pts += ((int64_t)AV_TIME_BASE *
1147 ist->st->codec->time_base.num) /
1148 ist->st->codec->time_base.den;
1158 buffer_to_free = NULL;
1159 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1160 pre_process_video_frame(ist, (AVPicture *)&picture,
1164 // preprocess audio (volume)
1165 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1166 if (audio_volume != 256) {
1169 for(i=0;i<(data_size / sizeof(short));i++) {
1170 int v = ((*volp) * audio_volume + 128) >> 8;
1171 if (v < -32768) v = -32768;
1172 if (v > 32767) v = 32767;
1178 /* frame rate emulation */
1179 if (ist->st->codec->rate_emu) {
1180 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1181 int64_t now = av_gettime() - ist->start;
1189 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1190 is the one of the next displayed one */
1191 /* XXX: add mpeg4 too ? */
1192 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1193 if (ist->st->codec->pict_type != B_TYPE) {
1195 tmp = ist->last_ip_pts;
1196 ist->last_ip_pts = ist->frac_pts.val;
1197 ist->frac_pts.val = tmp;
1201 /* if output time reached then transcode raw format,
1202 encode packets and output them */
1203 if (start_time == 0 || ist->pts >= start_time)
1204 for(i=0;i<nb_ostreams;i++) {
1208 if (ost->source_index == ist_index) {
1209 os = output_files[ost->file_index];
1212 printf("%d: got pts=%0.3f %0.3f\n", i,
1213 (double)pkt->pts / AV_TIME_BASE,
1214 ((double)ist->pts / AV_TIME_BASE) -
1215 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1217 /* set the input output pts pairs */
1218 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1220 if (ost->encoding_needed) {
1221 switch(ost->st->codec->codec_type) {
1222 case CODEC_TYPE_AUDIO:
1223 do_audio_out(os, ost, ist, data_buf, data_size);
1225 case CODEC_TYPE_VIDEO:
1226 do_video_out(os, ost, ist, &picture, &frame_size);
1227 video_size += frame_size;
1228 if (vstats_filename && frame_size)
1229 do_video_stats(os, ost, frame_size);
1231 case CODEC_TYPE_SUBTITLE:
1232 do_subtitle_out(os, ost, ist, &subtitle,
1239 AVFrame avframe; //FIXME/XXX remove this
1241 av_init_packet(&opkt);
1243 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1246 /* no reencoding needed : output the packet directly */
1247 /* force the input stream PTS */
1249 avcodec_get_frame_defaults(&avframe);
1250 ost->st->codec->coded_frame= &avframe;
1251 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1253 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1254 audio_size += data_size;
1255 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1256 video_size += data_size;
1260 opkt.stream_index= ost->index;
1261 if(pkt->pts != AV_NOPTS_VALUE)
1262 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1264 opkt.pts= AV_NOPTS_VALUE;
1266 if (pkt->dts == AV_NOPTS_VALUE)
1267 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1269 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1271 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1272 opkt.flags= pkt->flags;
1274 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1275 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1276 opkt.destruct= av_destruct_packet;
1278 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1279 ost->st->codec->frame_number++;
1280 ost->frame_number++;
1281 av_free_packet(&opkt);
1285 av_free(buffer_to_free);
1286 /* XXX: allocate the subtitles in the codec ? */
1287 if (subtitle_to_free) {
1288 if (subtitle_to_free->rects != NULL) {
1289 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1290 av_free(subtitle_to_free->rects[i].bitmap);
1291 av_free(subtitle_to_free->rects[i].rgba_palette);
1293 av_freep(&subtitle_to_free->rects);
1295 subtitle_to_free->num_rects = 0;
1296 subtitle_to_free = NULL;
1303 for(i=0;i<nb_ostreams;i++) {
1305 if (ost->source_index == ist_index) {
1306 AVCodecContext *enc= ost->st->codec;
1307 os = output_files[ost->file_index];
1309 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1311 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1314 if (ost->encoding_needed) {
1318 av_init_packet(&pkt);
1319 pkt.stream_index= ost->index;
1321 switch(ost->st->codec->codec_type) {
1322 case CODEC_TYPE_AUDIO:
1323 fifo_bytes = av_fifo_size(&ost->fifo);
1325 /* encode any samples remaining in fifo */
1326 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1327 int fs_tmp = enc->frame_size;
1328 enc->frame_size = fifo_bytes / (2 * enc->channels);
1329 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1330 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1332 enc->frame_size = fs_tmp;
1335 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1338 pkt.flags |= PKT_FLAG_KEY;
1340 case CODEC_TYPE_VIDEO:
1341 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1343 if(enc->coded_frame && enc->coded_frame->key_frame)
1344 pkt.flags |= PKT_FLAG_KEY;
1345 if (ost->logfile && enc->stats_out) {
1346 fprintf(ost->logfile, "%s", enc->stats_out);
1355 pkt.data= bit_buffer;
1357 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1358 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1359 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1371 static void print_sdp(AVFormatContext **avc, int n)
1375 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1376 printf("SDP:\n%s\n", sdp);
1379 static int stream_index_from_inputs(AVFormatContext **input_files,
1381 AVInputFile *file_table,
1382 AVInputStream **ist_table,
1383 enum CodecType type,
1387 for(z=0; z<nb_input_files; z++) {
1388 AVFormatContext *ic = input_files[z];
1389 for(p=0; p<ic->nb_programs; p++) {
1390 AVProgram *program = ic->programs[p];
1391 if(program->id != programid)
1393 for(q=0; q<program->nb_stream_indexes; q++) {
1394 int sidx = program->stream_index[q];
1395 int ris = file_table[z].ist_index + sidx;
1396 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1406 * The following code is the main loop of the file converter
1408 static int av_encode(AVFormatContext **output_files,
1409 int nb_output_files,
1410 AVFormatContext **input_files,
1412 AVStreamMap *stream_maps, int nb_stream_maps)
1414 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1415 AVFormatContext *is, *os;
1416 AVCodecContext *codec, *icodec;
1417 AVOutputStream *ost, **ost_table = NULL;
1418 AVInputStream *ist, **ist_table = NULL;
1419 AVInputFile *file_table;
1423 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1427 /* input stream init */
1429 for(i=0;i<nb_input_files;i++) {
1430 is = input_files[i];
1431 file_table[i].ist_index = j;
1432 file_table[i].nb_streams = is->nb_streams;
1433 j += is->nb_streams;
1437 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1441 for(i=0;i<nb_istreams;i++) {
1442 ist = av_mallocz(sizeof(AVInputStream));
1448 for(i=0;i<nb_input_files;i++) {
1449 is = input_files[i];
1450 for(k=0;k<is->nb_streams;k++) {
1451 ist = ist_table[j++];
1452 ist->st = is->streams[k];
1453 ist->file_index = i;
1455 ist->discard = 1; /* the stream is discarded by default
1458 if (ist->st->codec->rate_emu) {
1459 ist->start = av_gettime();
1465 /* output stream init */
1467 for(i=0;i<nb_output_files;i++) {
1468 os = output_files[i];
1469 if (!os->nb_streams) {
1470 fprintf(stderr, "Output file does not contain any stream\n");
1473 nb_ostreams += os->nb_streams;
1475 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1476 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1480 /* Sanity check the mapping args -- do the input files & streams exist? */
1481 for(i=0;i<nb_stream_maps;i++) {
1482 int fi = stream_maps[i].file_index;
1483 int si = stream_maps[i].stream_index;
1485 if (fi < 0 || fi > nb_input_files - 1 ||
1486 si < 0 || si > file_table[fi].nb_streams - 1) {
1487 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1490 fi = stream_maps[i].sync_file_index;
1491 si = stream_maps[i].sync_stream_index;
1492 if (fi < 0 || fi > nb_input_files - 1 ||
1493 si < 0 || si > file_table[fi].nb_streams - 1) {
1494 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1499 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1502 for(i=0;i<nb_ostreams;i++) {
1503 ost = av_mallocz(sizeof(AVOutputStream));
1510 for(k=0;k<nb_output_files;k++) {
1511 os = output_files[k];
1512 for(i=0;i<os->nb_streams;i++) {
1514 ost = ost_table[n++];
1515 ost->file_index = k;
1517 ost->st = os->streams[i];
1518 if (nb_stream_maps > 0) {
1519 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1520 stream_maps[n-1].stream_index;
1522 /* Sanity check that the stream types match */
1523 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1524 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1525 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1526 ost->file_index, ost->index);
1533 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1535 ost->source_index = j;
1539 /* get corresponding input stream index : we select the first one with the right type */
1541 for(j=0;j<nb_istreams;j++) {
1544 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1545 ost->source_index = j;
1553 if(! opt_programid) {
1554 /* try again and reuse existing stream */
1555 for(j=0;j<nb_istreams;j++) {
1557 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1558 ost->source_index = j;
1564 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1565 ost->file_index, ost->index);
1570 ist = ist_table[ost->source_index];
1572 ost->sync_ist = (nb_stream_maps > 0) ?
1573 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1574 stream_maps[n-1].sync_stream_index] : ist;
1578 /* for each output stream, we compute the right encoding parameters */
1579 for(i=0;i<nb_ostreams;i++) {
1581 os = output_files[ost->file_index];
1582 ist = ist_table[ost->source_index];
1584 codec = ost->st->codec;
1585 icodec = ist->st->codec;
1587 if (!ost->st->language[0])
1588 av_strlcpy(ost->st->language, ist->st->language,
1589 sizeof(ost->st->language));
1591 if (ost->st->stream_copy) {
1592 /* if stream_copy is selected, no need to decode or encode */
1593 codec->codec_id = icodec->codec_id;
1594 codec->codec_type = icodec->codec_type;
1596 if(!codec->codec_tag){
1597 if( !os->oformat->codec_tag
1598 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1599 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1600 codec->codec_tag = icodec->codec_tag;
1603 codec->bit_rate = icodec->bit_rate;
1604 codec->extradata= icodec->extradata;
1605 codec->extradata_size= icodec->extradata_size;
1606 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1607 codec->time_base = icodec->time_base;
1609 codec->time_base = ist->st->time_base;
1610 switch(codec->codec_type) {
1611 case CODEC_TYPE_AUDIO:
1612 codec->sample_rate = icodec->sample_rate;
1613 codec->channels = icodec->channels;
1614 codec->frame_size = icodec->frame_size;
1615 codec->block_align= icodec->block_align;
1616 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1617 codec->block_align= 0;
1619 case CODEC_TYPE_VIDEO:
1621 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1624 codec->pix_fmt = icodec->pix_fmt;
1625 codec->width = icodec->width;
1626 codec->height = icodec->height;
1627 codec->has_b_frames = icodec->has_b_frames;
1629 case CODEC_TYPE_SUBTITLE:
1635 switch(codec->codec_type) {
1636 case CODEC_TYPE_AUDIO:
1637 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1639 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1640 icodec->request_channels = codec->channels;
1641 ist->decoding_needed = 1;
1642 ost->encoding_needed = 1;
1644 case CODEC_TYPE_VIDEO:
1645 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1646 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1647 ost->video_resample = ((codec->width != icodec->width -
1648 (frame_leftBand + frame_rightBand) +
1649 (frame_padleft + frame_padright)) ||
1650 (codec->height != icodec->height -
1651 (frame_topBand + frame_bottomBand) +
1652 (frame_padtop + frame_padbottom)) ||
1653 (codec->pix_fmt != icodec->pix_fmt));
1654 if (ost->video_crop) {
1655 ost->topBand = frame_topBand;
1656 ost->leftBand = frame_leftBand;
1658 if (ost->video_pad) {
1659 ost->padtop = frame_padtop;
1660 ost->padleft = frame_padleft;
1661 ost->padbottom = frame_padbottom;
1662 ost->padright = frame_padright;
1663 if (!ost->video_resample) {
1664 avcodec_get_frame_defaults(&ost->pict_tmp);
1665 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1666 codec->width, codec->height ) )
1670 if (ost->video_resample) {
1671 avcodec_get_frame_defaults(&ost->pict_tmp);
1672 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1673 codec->width, codec->height ) ) {
1674 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1677 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1678 ost->img_resample_ctx = sws_getContext(
1679 icodec->width - (frame_leftBand + frame_rightBand),
1680 icodec->height - (frame_topBand + frame_bottomBand),
1682 codec->width - (frame_padleft + frame_padright),
1683 codec->height - (frame_padtop + frame_padbottom),
1685 sws_flags, NULL, NULL, NULL);
1686 if (ost->img_resample_ctx == NULL) {
1687 fprintf(stderr, "Cannot get resampling context\n");
1690 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1692 ost->encoding_needed = 1;
1693 ist->decoding_needed = 1;
1695 case CODEC_TYPE_SUBTITLE:
1696 ost->encoding_needed = 1;
1697 ist->decoding_needed = 1;
1704 if (ost->encoding_needed &&
1705 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1706 char logfilename[1024];
1711 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1713 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1714 if (codec->flags & CODEC_FLAG_PASS1) {
1715 f = fopen(logfilename, "w");
1717 perror(logfilename);
1722 /* read the log file */
1723 f = fopen(logfilename, "r");
1725 perror(logfilename);
1728 fseek(f, 0, SEEK_END);
1730 fseek(f, 0, SEEK_SET);
1731 logbuffer = av_malloc(size + 1);
1733 fprintf(stderr, "Could not allocate log buffer\n");
1736 size = fread(logbuffer, 1, size, f);
1738 logbuffer[size] = '\0';
1739 codec->stats_in = logbuffer;
1743 if(codec->codec_type == CODEC_TYPE_VIDEO){
1744 int size= codec->width * codec->height;
1745 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1750 bit_buffer = av_malloc(bit_buffer_size);
1754 /* dump the file output parameters - cannot be done before in case
1756 for(i=0;i<nb_output_files;i++) {
1757 dump_format(output_files[i], i, output_files[i]->filename, 1);
1760 /* dump the stream mapping */
1762 fprintf(stderr, "Stream mapping:\n");
1763 for(i=0;i<nb_ostreams;i++) {
1765 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1766 ist_table[ost->source_index]->file_index,
1767 ist_table[ost->source_index]->index,
1770 if (ost->sync_ist != ist_table[ost->source_index])
1771 fprintf(stderr, " [sync #%d.%d]",
1772 ost->sync_ist->file_index,
1773 ost->sync_ist->index);
1774 fprintf(stderr, "\n");
1778 /* open each encoder */
1779 for(i=0;i<nb_ostreams;i++) {
1781 if (ost->encoding_needed) {
1783 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1785 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1786 ost->file_index, ost->index);
1789 if (avcodec_open(ost->st->codec, codec) < 0) {
1790 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1791 ost->file_index, ost->index);
1794 extra_size += ost->st->codec->extradata_size;
1798 /* open each decoder */
1799 for(i=0;i<nb_istreams;i++) {
1801 if (ist->decoding_needed) {
1803 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1805 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1806 ist->st->codec->codec_id, ist->file_index, ist->index);
1809 if (avcodec_open(ist->st->codec, codec) < 0) {
1810 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1811 ist->file_index, ist->index);
1814 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1815 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1820 for(i=0;i<nb_istreams;i++) {
1822 is = input_files[ist->file_index];
1825 if( input_files_ts_offset[ist->file_index] != -is->start_time
1826 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1827 ist->next_pts= AV_NOPTS_VALUE;
1831 /* set meta data information from input file if required */
1832 for (i=0;i<nb_meta_data_maps;i++) {
1833 AVFormatContext *out_file;
1834 AVFormatContext *in_file;
1836 int out_file_index = meta_data_maps[i].out_file;
1837 int in_file_index = meta_data_maps[i].in_file;
1838 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1839 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1840 ret = AVERROR(EINVAL);
1843 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1844 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1845 ret = AVERROR(EINVAL);
1849 out_file = output_files[out_file_index];
1850 in_file = input_files[in_file_index];
1852 strcpy(out_file->title, in_file->title);
1853 strcpy(out_file->author, in_file->author);
1854 strcpy(out_file->copyright, in_file->copyright);
1855 strcpy(out_file->comment, in_file->comment);
1856 strcpy(out_file->album, in_file->album);
1857 out_file->year = in_file->year;
1858 out_file->track = in_file->track;
1859 strcpy(out_file->genre, in_file->genre);
1862 /* open files and write file headers */
1863 for(i=0;i<nb_output_files;i++) {
1864 os = output_files[i];
1865 if (av_write_header(os) < 0) {
1866 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1867 ret = AVERROR(EINVAL);
1870 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1875 print_sdp(output_files, nb_output_files);
1878 if ( !using_stdin && verbose >= 0) {
1879 fprintf(stderr, "Press [q] to stop encoding\n");
1880 url_set_interrupt_cb(decode_interrupt_cb);
1885 timer_start = av_gettime();
1887 for(; received_sigterm == 0;) {
1888 int file_index, ist_index;
1896 /* if 'q' pressed, exits */
1900 /* read_key() returns 0 on EOF */
1906 /* select the stream that we must read now by looking at the
1907 smallest output pts */
1909 for(i=0;i<nb_ostreams;i++) {
1912 os = output_files[ost->file_index];
1913 ist = ist_table[ost->source_index];
1914 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1915 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1917 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1918 ipts = (double)ist->pts;
1919 if (!file_table[ist->file_index].eof_reached){
1920 if(ipts < ipts_min) {
1922 if(input_sync ) file_index = ist->file_index;
1924 if(opts < opts_min) {
1926 if(!input_sync) file_index = ist->file_index;
1929 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1934 /* if none, if is finished */
1935 if (file_index < 0) {
1939 /* finish if recording time exhausted */
1940 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1943 /* finish if limit size exhausted */
1944 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1947 /* read a frame from it and output it in the fifo */
1948 is = input_files[file_index];
1949 if (av_read_frame(is, &pkt) < 0) {
1950 file_table[file_index].eof_reached = 1;
1958 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1960 /* the following test is needed in case new streams appear
1961 dynamically in stream : we ignore them */
1962 if (pkt.stream_index >= file_table[file_index].nb_streams)
1963 goto discard_packet;
1964 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1965 ist = ist_table[ist_index];
1967 goto discard_packet;
1969 if (pkt.dts != AV_NOPTS_VALUE)
1970 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1971 if (pkt.pts != AV_NOPTS_VALUE)
1972 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1974 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
1975 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1976 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1977 int64_t delta= pkt_dts - ist->next_pts;
1978 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1979 input_files_ts_offset[ist->file_index]-= delta;
1981 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1982 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1983 if(pkt.pts != AV_NOPTS_VALUE)
1984 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1988 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1989 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1992 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1993 ist->file_index, ist->index);
1995 av_free_packet(&pkt);
2000 av_free_packet(&pkt);
2002 /* dump report by using the output first video and audio streams */
2003 print_report(output_files, ost_table, nb_ostreams, 0);
2006 /* at the end of stream, we must flush the decoder buffers */
2007 for(i=0;i<nb_istreams;i++) {
2009 if (ist->decoding_needed) {
2010 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2016 /* write the trailer if needed and close file */
2017 for(i=0;i<nb_output_files;i++) {
2018 os = output_files[i];
2019 av_write_trailer(os);
2022 /* dump report by using the first video and audio streams */
2023 print_report(output_files, ost_table, nb_ostreams, 1);
2025 /* close each encoder */
2026 for(i=0;i<nb_ostreams;i++) {
2028 if (ost->encoding_needed) {
2029 av_freep(&ost->st->codec->stats_in);
2030 avcodec_close(ost->st->codec);
2034 /* close each decoder */
2035 for(i=0;i<nb_istreams;i++) {
2037 if (ist->decoding_needed) {
2038 avcodec_close(ist->st->codec);
2046 av_freep(&bit_buffer);
2047 av_free(file_table);
2050 for(i=0;i<nb_istreams;i++) {
2057 for(i=0;i<nb_ostreams;i++) {
2061 fclose(ost->logfile);
2062 ost->logfile = NULL;
2064 av_fifo_free(&ost->fifo); /* works even if fifo is not
2065 initialized but set to zero */
2066 av_free(ost->pict_tmp.data[0]);
2067 if (ost->video_resample)
2068 sws_freeContext(ost->img_resample_ctx);
2070 audio_resample_close(ost->resample);
2078 ret = AVERROR(ENOMEM);
2083 int file_read(const char *filename)
2086 unsigned char buffer[1024];
2089 if (url_open(&h, filename, O_RDONLY) < 0) {
2090 printf("could not open '%s'\n", filename);
2094 len = url_read(h, buffer, sizeof(buffer));
2097 for(i=0;i<len;i++) putchar(buffer[i]);
2104 static void opt_format(const char *arg)
2106 /* compatibility stuff for pgmyuv */
2107 if (!strcmp(arg, "pgmyuv")) {
2108 pgmyuv_compatibility_hack=1;
2109 // opt_image_format(arg);
2111 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2114 file_iformat = av_find_input_format(arg);
2115 file_oformat = guess_format(arg, NULL, NULL);
2116 if (!file_iformat && !file_oformat) {
2117 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2122 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2123 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);