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->quality/(float)FF_QP2LAMBDA);
959 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
960 float t = (av_gettime()-timer_start) / 1000000.0;
962 frame_number = ost->frame_number;
963 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
964 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
965 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
968 if(qp_hist && enc->coded_frame){
970 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
971 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
974 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
976 if (enc->flags&CODEC_FLAG_PSNR){
978 double error, error_sum=0;
979 double scale, scale_sum=0;
980 char type[3]= {'Y','U','V'};
981 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
984 error= enc->error[j];
985 scale= enc->width*enc->height*255.0*255.0*frame_number;
987 error= enc->coded_frame->error[j];
988 scale= enc->width*enc->height*255.0*255.0;
993 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
995 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
999 /* compute min output value */
1000 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1001 if ((pts < ti1) && (pts > 0))
1007 if (verbose || is_last_report) {
1008 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1010 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1011 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1012 (double)total_size / 1024, ti1, bitrate);
1015 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1016 nb_frames_dup, nb_frames_drop);
1019 fprintf(stderr, "%s \r", buf);
1024 if (is_last_report && verbose >= 0){
1025 int64_t raw= audio_size + video_size + extra_size;
1026 fprintf(stderr, "\n");
1027 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1031 100.0*(total_size - raw)/raw
1036 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1037 static int output_packet(AVInputStream *ist, int ist_index,
1038 AVOutputStream **ost_table, int nb_ostreams,
1039 const AVPacket *pkt)
1041 AVFormatContext *os;
1042 AVOutputStream *ost;
1046 int data_size, got_picture;
1048 void *buffer_to_free;
1049 static unsigned int samples_size= 0;
1050 static short *samples= NULL;
1051 AVSubtitle subtitle, *subtitle_to_free;
1055 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1056 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1057 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1059 // assert(ist->pts == ist->next_pts);
1073 /* decode the packet if needed */
1074 data_buf = NULL; /* fail safe */
1076 subtitle_to_free = NULL;
1077 if (ist->decoding_needed) {
1078 switch(ist->st->codec->codec_type) {
1079 case CODEC_TYPE_AUDIO:{
1081 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1082 data_size= samples_size;
1083 /* XXX: could avoid copy if PCM 16 bits with same
1084 endianness as CPU */
1085 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1091 /* Some bug in mpeg audio decoder gives */
1092 /* data_size < 0, it seems they are overflows */
1093 if (data_size <= 0) {
1094 /* no audio frame */
1097 data_buf = (uint8_t *)samples;
1098 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1099 (ist->st->codec->sample_rate * ist->st->codec->channels);
1101 case CODEC_TYPE_VIDEO:
1102 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1103 /* XXX: allocate picture correctly */
1104 avcodec_get_frame_defaults(&picture);
1106 ret = avcodec_decode_video(ist->st->codec,
1107 &picture, &got_picture, ptr, len);
1108 ist->st->quality= picture.quality;
1112 /* no picture yet */
1113 goto discard_packet;
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1122 case CODEC_TYPE_SUBTITLE:
1123 ret = avcodec_decode_subtitle(ist->st->codec,
1124 &subtitle, &got_subtitle, ptr, len);
1127 if (!got_subtitle) {
1128 goto discard_packet;
1130 subtitle_to_free = &subtitle;
1137 switch(ist->st->codec->codec_type) {
1138 case CODEC_TYPE_AUDIO:
1139 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1140 ist->st->codec->sample_rate;
1142 case CODEC_TYPE_VIDEO:
1143 if (ist->st->codec->time_base.num != 0) {
1144 ist->next_pts += ((int64_t)AV_TIME_BASE *
1145 ist->st->codec->time_base.num) /
1146 ist->st->codec->time_base.den;
1156 buffer_to_free = NULL;
1157 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1158 pre_process_video_frame(ist, (AVPicture *)&picture,
1162 // preprocess audio (volume)
1163 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1164 if (audio_volume != 256) {
1167 for(i=0;i<(data_size / sizeof(short));i++) {
1168 int v = ((*volp) * audio_volume + 128) >> 8;
1169 if (v < -32768) v = -32768;
1170 if (v > 32767) v = 32767;
1176 /* frame rate emulation */
1177 if (ist->st->codec->rate_emu) {
1178 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1179 int64_t now = av_gettime() - ist->start;
1187 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1188 is the one of the next displayed one */
1189 /* XXX: add mpeg4 too ? */
1190 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1191 if (ist->st->codec->pict_type != B_TYPE) {
1193 tmp = ist->last_ip_pts;
1194 ist->last_ip_pts = ist->frac_pts.val;
1195 ist->frac_pts.val = tmp;
1199 /* if output time reached then transcode raw format,
1200 encode packets and output them */
1201 if (start_time == 0 || ist->pts >= start_time)
1202 for(i=0;i<nb_ostreams;i++) {
1206 if (ost->source_index == ist_index) {
1207 os = output_files[ost->file_index];
1210 printf("%d: got pts=%0.3f %0.3f\n", i,
1211 (double)pkt->pts / AV_TIME_BASE,
1212 ((double)ist->pts / AV_TIME_BASE) -
1213 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1215 /* set the input output pts pairs */
1216 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1218 if (ost->encoding_needed) {
1219 switch(ost->st->codec->codec_type) {
1220 case CODEC_TYPE_AUDIO:
1221 do_audio_out(os, ost, ist, data_buf, data_size);
1223 case CODEC_TYPE_VIDEO:
1224 do_video_out(os, ost, ist, &picture, &frame_size);
1225 video_size += frame_size;
1226 if (vstats_filename && frame_size)
1227 do_video_stats(os, ost, frame_size);
1229 case CODEC_TYPE_SUBTITLE:
1230 do_subtitle_out(os, ost, ist, &subtitle,
1237 AVFrame avframe; //FIXME/XXX remove this
1239 av_init_packet(&opkt);
1241 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1244 /* no reencoding needed : output the packet directly */
1245 /* force the input stream PTS */
1247 avcodec_get_frame_defaults(&avframe);
1248 ost->st->codec->coded_frame= &avframe;
1249 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1251 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1252 audio_size += data_size;
1253 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1254 video_size += data_size;
1258 opkt.stream_index= ost->index;
1259 if(pkt->pts != AV_NOPTS_VALUE)
1260 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1262 opkt.pts= AV_NOPTS_VALUE;
1264 if (pkt->dts == AV_NOPTS_VALUE)
1265 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1267 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1269 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1270 opkt.flags= pkt->flags;
1272 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1273 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1274 opkt.destruct= av_destruct_packet;
1276 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1277 ost->st->codec->frame_number++;
1278 ost->frame_number++;
1279 av_free_packet(&opkt);
1283 av_free(buffer_to_free);
1284 /* XXX: allocate the subtitles in the codec ? */
1285 if (subtitle_to_free) {
1286 if (subtitle_to_free->rects != NULL) {
1287 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1288 av_free(subtitle_to_free->rects[i].bitmap);
1289 av_free(subtitle_to_free->rects[i].rgba_palette);
1291 av_freep(&subtitle_to_free->rects);
1293 subtitle_to_free->num_rects = 0;
1294 subtitle_to_free = NULL;
1301 for(i=0;i<nb_ostreams;i++) {
1303 if (ost->source_index == ist_index) {
1304 AVCodecContext *enc= ost->st->codec;
1305 os = output_files[ost->file_index];
1307 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1309 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1312 if (ost->encoding_needed) {
1316 av_init_packet(&pkt);
1317 pkt.stream_index= ost->index;
1319 switch(ost->st->codec->codec_type) {
1320 case CODEC_TYPE_AUDIO:
1321 fifo_bytes = av_fifo_size(&ost->fifo);
1323 /* encode any samples remaining in fifo */
1324 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1325 int fs_tmp = enc->frame_size;
1326 enc->frame_size = fifo_bytes / (2 * enc->channels);
1327 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1328 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1330 enc->frame_size = fs_tmp;
1333 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1336 pkt.flags |= PKT_FLAG_KEY;
1338 case CODEC_TYPE_VIDEO:
1339 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1341 if(enc->coded_frame && enc->coded_frame->key_frame)
1342 pkt.flags |= PKT_FLAG_KEY;
1343 if (ost->logfile && enc->stats_out) {
1344 fprintf(ost->logfile, "%s", enc->stats_out);
1353 pkt.data= bit_buffer;
1355 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1356 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1357 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1369 static void print_sdp(AVFormatContext **avc, int n)
1373 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1374 printf("SDP:\n%s\n", sdp);
1377 static int stream_index_from_inputs(AVFormatContext **input_files,
1379 AVInputFile *file_table,
1380 AVInputStream **ist_table,
1381 enum CodecType type,
1385 for(z=0; z<nb_input_files; z++) {
1386 AVFormatContext *ic = input_files[z];
1387 for(p=0; p<ic->nb_programs; p++) {
1388 AVProgram *program = ic->programs[p];
1389 if(program->id != programid)
1391 for(q=0; q<program->nb_stream_indexes; q++) {
1392 int sidx = program->stream_index[q];
1393 int ris = file_table[z].ist_index + sidx;
1394 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1404 * The following code is the main loop of the file converter
1406 static int av_encode(AVFormatContext **output_files,
1407 int nb_output_files,
1408 AVFormatContext **input_files,
1410 AVStreamMap *stream_maps, int nb_stream_maps)
1412 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1413 AVFormatContext *is, *os;
1414 AVCodecContext *codec, *icodec;
1415 AVOutputStream *ost, **ost_table = NULL;
1416 AVInputStream *ist, **ist_table = NULL;
1417 AVInputFile *file_table;
1421 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1425 /* input stream init */
1427 for(i=0;i<nb_input_files;i++) {
1428 is = input_files[i];
1429 file_table[i].ist_index = j;
1430 file_table[i].nb_streams = is->nb_streams;
1431 j += is->nb_streams;
1435 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1439 for(i=0;i<nb_istreams;i++) {
1440 ist = av_mallocz(sizeof(AVInputStream));
1446 for(i=0;i<nb_input_files;i++) {
1447 is = input_files[i];
1448 for(k=0;k<is->nb_streams;k++) {
1449 ist = ist_table[j++];
1450 ist->st = is->streams[k];
1451 ist->file_index = i;
1453 ist->discard = 1; /* the stream is discarded by default
1456 if (ist->st->codec->rate_emu) {
1457 ist->start = av_gettime();
1463 /* output stream init */
1465 for(i=0;i<nb_output_files;i++) {
1466 os = output_files[i];
1467 if (!os->nb_streams) {
1468 fprintf(stderr, "Output file does not contain any stream\n");
1471 nb_ostreams += os->nb_streams;
1473 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1474 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1478 /* Sanity check the mapping args -- do the input files & streams exist? */
1479 for(i=0;i<nb_stream_maps;i++) {
1480 int fi = stream_maps[i].file_index;
1481 int si = stream_maps[i].stream_index;
1483 if (fi < 0 || fi > nb_input_files - 1 ||
1484 si < 0 || si > file_table[fi].nb_streams - 1) {
1485 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1488 fi = stream_maps[i].sync_file_index;
1489 si = stream_maps[i].sync_stream_index;
1490 if (fi < 0 || fi > nb_input_files - 1 ||
1491 si < 0 || si > file_table[fi].nb_streams - 1) {
1492 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1497 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1500 for(i=0;i<nb_ostreams;i++) {
1501 ost = av_mallocz(sizeof(AVOutputStream));
1508 for(k=0;k<nb_output_files;k++) {
1509 os = output_files[k];
1510 for(i=0;i<os->nb_streams;i++) {
1512 ost = ost_table[n++];
1513 ost->file_index = k;
1515 ost->st = os->streams[i];
1516 if (nb_stream_maps > 0) {
1517 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1518 stream_maps[n-1].stream_index;
1520 /* Sanity check that the stream types match */
1521 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1522 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1523 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1524 ost->file_index, ost->index);
1531 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1533 ost->source_index = j;
1537 /* get corresponding input stream index : we select the first one with the right type */
1539 for(j=0;j<nb_istreams;j++) {
1542 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1543 ost->source_index = j;
1551 if(! opt_programid) {
1552 /* try again and reuse existing stream */
1553 for(j=0;j<nb_istreams;j++) {
1555 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1556 ost->source_index = j;
1562 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1563 ost->file_index, ost->index);
1568 ist = ist_table[ost->source_index];
1570 ost->sync_ist = (nb_stream_maps > 0) ?
1571 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1572 stream_maps[n-1].sync_stream_index] : ist;
1576 /* for each output stream, we compute the right encoding parameters */
1577 for(i=0;i<nb_ostreams;i++) {
1579 os = output_files[ost->file_index];
1580 ist = ist_table[ost->source_index];
1582 codec = ost->st->codec;
1583 icodec = ist->st->codec;
1585 if (!ost->st->language[0])
1586 av_strlcpy(ost->st->language, ist->st->language,
1587 sizeof(ost->st->language));
1589 if (ost->st->stream_copy) {
1590 /* if stream_copy is selected, no need to decode or encode */
1591 codec->codec_id = icodec->codec_id;
1592 codec->codec_type = icodec->codec_type;
1594 if(!codec->codec_tag){
1595 if( !os->oformat->codec_tag
1596 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1597 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1598 codec->codec_tag = icodec->codec_tag;
1601 codec->bit_rate = icodec->bit_rate;
1602 codec->extradata= icodec->extradata;
1603 codec->extradata_size= icodec->extradata_size;
1604 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1605 codec->time_base = icodec->time_base;
1607 codec->time_base = ist->st->time_base;
1608 switch(codec->codec_type) {
1609 case CODEC_TYPE_AUDIO:
1610 codec->sample_rate = icodec->sample_rate;
1611 codec->channels = icodec->channels;
1612 codec->frame_size = icodec->frame_size;
1613 codec->block_align= icodec->block_align;
1614 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1615 codec->block_align= 0;
1617 case CODEC_TYPE_VIDEO:
1619 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1622 codec->pix_fmt = icodec->pix_fmt;
1623 codec->width = icodec->width;
1624 codec->height = icodec->height;
1625 codec->has_b_frames = icodec->has_b_frames;
1627 case CODEC_TYPE_SUBTITLE:
1633 switch(codec->codec_type) {
1634 case CODEC_TYPE_AUDIO:
1635 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1637 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1638 icodec->request_channels = codec->channels;
1639 ist->decoding_needed = 1;
1640 ost->encoding_needed = 1;
1642 case CODEC_TYPE_VIDEO:
1643 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1644 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1645 ost->video_resample = ((codec->width != icodec->width -
1646 (frame_leftBand + frame_rightBand) +
1647 (frame_padleft + frame_padright)) ||
1648 (codec->height != icodec->height -
1649 (frame_topBand + frame_bottomBand) +
1650 (frame_padtop + frame_padbottom)) ||
1651 (codec->pix_fmt != icodec->pix_fmt));
1652 if (ost->video_crop) {
1653 ost->topBand = frame_topBand;
1654 ost->leftBand = frame_leftBand;
1656 if (ost->video_pad) {
1657 ost->padtop = frame_padtop;
1658 ost->padleft = frame_padleft;
1659 ost->padbottom = frame_padbottom;
1660 ost->padright = frame_padright;
1661 if (!ost->video_resample) {
1662 avcodec_get_frame_defaults(&ost->pict_tmp);
1663 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1664 codec->width, codec->height ) )
1668 if (ost->video_resample) {
1669 avcodec_get_frame_defaults(&ost->pict_tmp);
1670 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1671 codec->width, codec->height ) ) {
1672 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1675 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1676 ost->img_resample_ctx = sws_getContext(
1677 icodec->width - (frame_leftBand + frame_rightBand),
1678 icodec->height - (frame_topBand + frame_bottomBand),
1680 codec->width - (frame_padleft + frame_padright),
1681 codec->height - (frame_padtop + frame_padbottom),
1683 sws_flags, NULL, NULL, NULL);
1684 if (ost->img_resample_ctx == NULL) {
1685 fprintf(stderr, "Cannot get resampling context\n");
1688 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1690 ost->encoding_needed = 1;
1691 ist->decoding_needed = 1;
1693 case CODEC_TYPE_SUBTITLE:
1694 ost->encoding_needed = 1;
1695 ist->decoding_needed = 1;
1702 if (ost->encoding_needed &&
1703 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1704 char logfilename[1024];
1709 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1711 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1712 if (codec->flags & CODEC_FLAG_PASS1) {
1713 f = fopen(logfilename, "w");
1715 perror(logfilename);
1720 /* read the log file */
1721 f = fopen(logfilename, "r");
1723 perror(logfilename);
1726 fseek(f, 0, SEEK_END);
1728 fseek(f, 0, SEEK_SET);
1729 logbuffer = av_malloc(size + 1);
1731 fprintf(stderr, "Could not allocate log buffer\n");
1734 size = fread(logbuffer, 1, size, f);
1736 logbuffer[size] = '\0';
1737 codec->stats_in = logbuffer;
1741 if(codec->codec_type == CODEC_TYPE_VIDEO){
1742 int size= codec->width * codec->height;
1743 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1748 bit_buffer = av_malloc(bit_buffer_size);
1752 /* dump the file output parameters - cannot be done before in case
1754 for(i=0;i<nb_output_files;i++) {
1755 dump_format(output_files[i], i, output_files[i]->filename, 1);
1758 /* dump the stream mapping */
1760 fprintf(stderr, "Stream mapping:\n");
1761 for(i=0;i<nb_ostreams;i++) {
1763 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1764 ist_table[ost->source_index]->file_index,
1765 ist_table[ost->source_index]->index,
1768 if (ost->sync_ist != ist_table[ost->source_index])
1769 fprintf(stderr, " [sync #%d.%d]",
1770 ost->sync_ist->file_index,
1771 ost->sync_ist->index);
1772 fprintf(stderr, "\n");
1776 /* open each encoder */
1777 for(i=0;i<nb_ostreams;i++) {
1779 if (ost->encoding_needed) {
1781 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1783 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1784 ost->file_index, ost->index);
1787 if (avcodec_open(ost->st->codec, codec) < 0) {
1788 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1789 ost->file_index, ost->index);
1792 extra_size += ost->st->codec->extradata_size;
1796 /* open each decoder */
1797 for(i=0;i<nb_istreams;i++) {
1799 if (ist->decoding_needed) {
1801 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1803 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1804 ist->st->codec->codec_id, ist->file_index, ist->index);
1807 if (avcodec_open(ist->st->codec, codec) < 0) {
1808 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1809 ist->file_index, ist->index);
1812 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1813 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1818 for(i=0;i<nb_istreams;i++) {
1820 is = input_files[ist->file_index];
1823 if( input_files_ts_offset[ist->file_index] != -is->start_time
1824 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1825 ist->next_pts= AV_NOPTS_VALUE;
1829 /* set meta data information from input file if required */
1830 for (i=0;i<nb_meta_data_maps;i++) {
1831 AVFormatContext *out_file;
1832 AVFormatContext *in_file;
1834 int out_file_index = meta_data_maps[i].out_file;
1835 int in_file_index = meta_data_maps[i].in_file;
1836 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1837 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1838 ret = AVERROR(EINVAL);
1841 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1842 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1843 ret = AVERROR(EINVAL);
1847 out_file = output_files[out_file_index];
1848 in_file = input_files[in_file_index];
1850 strcpy(out_file->title, in_file->title);
1851 strcpy(out_file->author, in_file->author);
1852 strcpy(out_file->copyright, in_file->copyright);
1853 strcpy(out_file->comment, in_file->comment);
1854 strcpy(out_file->album, in_file->album);
1855 out_file->year = in_file->year;
1856 out_file->track = in_file->track;
1857 strcpy(out_file->genre, in_file->genre);
1860 /* open files and write file headers */
1861 for(i=0;i<nb_output_files;i++) {
1862 os = output_files[i];
1863 if (av_write_header(os) < 0) {
1864 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1865 ret = AVERROR(EINVAL);
1868 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1873 print_sdp(output_files, nb_output_files);
1876 if ( !using_stdin && verbose >= 0) {
1877 fprintf(stderr, "Press [q] to stop encoding\n");
1878 url_set_interrupt_cb(decode_interrupt_cb);
1883 timer_start = av_gettime();
1885 for(; received_sigterm == 0;) {
1886 int file_index, ist_index;
1894 /* if 'q' pressed, exits */
1898 /* read_key() returns 0 on EOF */
1904 /* select the stream that we must read now by looking at the
1905 smallest output pts */
1907 for(i=0;i<nb_ostreams;i++) {
1910 os = output_files[ost->file_index];
1911 ist = ist_table[ost->source_index];
1912 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1913 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1915 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1916 ipts = (double)ist->pts;
1917 if (!file_table[ist->file_index].eof_reached){
1918 if(ipts < ipts_min) {
1920 if(input_sync ) file_index = ist->file_index;
1922 if(opts < opts_min) {
1924 if(!input_sync) file_index = ist->file_index;
1927 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1932 /* if none, if is finished */
1933 if (file_index < 0) {
1937 /* finish if recording time exhausted */
1938 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1941 /* finish if limit size exhausted */
1942 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1945 /* read a frame from it and output it in the fifo */
1946 is = input_files[file_index];
1947 if (av_read_frame(is, &pkt) < 0) {
1948 file_table[file_index].eof_reached = 1;
1956 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1958 /* the following test is needed in case new streams appear
1959 dynamically in stream : we ignore them */
1960 if (pkt.stream_index >= file_table[file_index].nb_streams)
1961 goto discard_packet;
1962 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1963 ist = ist_table[ist_index];
1965 goto discard_packet;
1967 if (pkt.dts != AV_NOPTS_VALUE)
1968 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1969 if (pkt.pts != AV_NOPTS_VALUE)
1970 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1972 // 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);
1973 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1974 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1975 int64_t delta= pkt_dts - ist->next_pts;
1976 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1977 input_files_ts_offset[ist->file_index]-= delta;
1979 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1980 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1981 if(pkt.pts != AV_NOPTS_VALUE)
1982 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1986 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1987 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1990 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1991 ist->file_index, ist->index);
1993 av_free_packet(&pkt);
1998 av_free_packet(&pkt);
2000 /* dump report by using the output first video and audio streams */
2001 print_report(output_files, ost_table, nb_ostreams, 0);
2004 /* at the end of stream, we must flush the decoder buffers */
2005 for(i=0;i<nb_istreams;i++) {
2007 if (ist->decoding_needed) {
2008 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2014 /* write the trailer if needed and close file */
2015 for(i=0;i<nb_output_files;i++) {
2016 os = output_files[i];
2017 av_write_trailer(os);
2020 /* dump report by using the first video and audio streams */
2021 print_report(output_files, ost_table, nb_ostreams, 1);
2023 /* close each encoder */
2024 for(i=0;i<nb_ostreams;i++) {
2026 if (ost->encoding_needed) {
2027 av_freep(&ost->st->codec->stats_in);
2028 avcodec_close(ost->st->codec);
2032 /* close each decoder */
2033 for(i=0;i<nb_istreams;i++) {
2035 if (ist->decoding_needed) {
2036 avcodec_close(ist->st->codec);
2044 av_freep(&bit_buffer);
2045 av_free(file_table);
2048 for(i=0;i<nb_istreams;i++) {
2055 for(i=0;i<nb_ostreams;i++) {
2059 fclose(ost->logfile);
2060 ost->logfile = NULL;
2062 av_fifo_free(&ost->fifo); /* works even if fifo is not
2063 initialized but set to zero */
2064 av_free(ost->pict_tmp.data[0]);
2065 if (ost->video_resample)
2066 sws_freeContext(ost->img_resample_ctx);
2068 audio_resample_close(ost->resample);
2076 ret = AVERROR(ENOMEM);
2081 int file_read(const char *filename)
2084 unsigned char buffer[1024];
2087 if (url_open(&h, filename, O_RDONLY) < 0) {
2088 printf("could not open '%s'\n", filename);
2092 len = url_read(h, buffer, sizeof(buffer));
2095 for(i=0;i<len;i++) putchar(buffer[i]);
2102 static void opt_format(const char *arg)
2104 /* compatibility stuff for pgmyuv */
2105 if (!strcmp(arg, "pgmyuv")) {
2106 pgmyuv_compatibility_hack=1;
2107 // opt_image_format(arg);
2109 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2112 file_iformat = av_find_input_format(arg);
2113 file_oformat = guess_format(arg, NULL, NULL);
2114 if (!file_iformat && !file_oformat) {
2115 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2120 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2121 extern int ffm_nopts;
2124 static int opt_default(const char *opt, const char *arg){
2126 const AVOption *o= NULL;
2127 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2129 for(type=0; type<CODEC_TYPE_NB; type++){
2130 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2132 o = av_set_string(avctx_opts[type], opt, arg);
2135 o = av_set_string(avformat_opts, opt, arg);
2137 o = av_set_string(sws_opts, opt, arg);
2140 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2141 else if(opt[0] == 'v')
2142 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2143 else if(opt[0] == 's')
2144 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2149 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2151 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2152 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2153 opt_names[opt_name_count++]= o->name;
2155 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2156 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2157 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2161 if(avctx_opts[0]->debug)
2162 av_log_set_level(AV_LOG_DEBUG);
2166 static void opt_video_rc_override_string(const char *arg)
2168 video_rc_override_string = arg;
2171 static void opt_me_threshold(const char *arg)
2173 me_threshold = atoi(arg);
2176 static void opt_verbose(const char *arg)
2178 verbose = atoi(arg);
2179 av_log_set_level(atoi(arg));
2182 static void opt_frame_rate(const char *arg)
2184 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2185 fprintf(stderr, "Incorrect frame rate\n");
2190 static int opt_bitrate(const char *opt, const char *arg)
2192 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2194 opt_default(opt, arg);
2196 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2197 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2202 static void opt_frame_crop_top(const char *arg)
2204 frame_topBand = atoi(arg);
2205 if (frame_topBand < 0) {
2206 fprintf(stderr, "Incorrect top crop size\n");
2209 if ((frame_topBand % 2) != 0) {
2210 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2213 if ((frame_topBand) >= frame_height){
2214 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2217 frame_height -= frame_topBand;
2220 static void opt_frame_crop_bottom(const char *arg)
2222 frame_bottomBand = atoi(arg);
2223 if (frame_bottomBand < 0) {
2224 fprintf(stderr, "Incorrect bottom crop size\n");
2227 if ((frame_bottomBand % 2) != 0) {
2228 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2231 if ((frame_bottomBand) >= frame_height){
2232 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2235 frame_height -= frame_bottomBand;
2238 static void opt_frame_crop_left(const char *arg)
2240 frame_leftBand = atoi(arg);
2241 if (frame_leftBand < 0) {
2242 fprintf(stderr, "Incorrect left crop size\n");
2245 if ((frame_leftBand % 2) != 0) {
2246 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2249 if ((frame_leftBand) >= frame_width){
2250 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2253 frame_width -= frame_leftBand;
2256 static void opt_frame_crop_right(const char *arg)
2258 frame_rightBand = atoi(arg);
2259 if (frame_rightBand < 0) {
2260 fprintf(stderr, "Incorrect right crop size\n");
2263 if ((frame_rightBand % 2) != 0) {
2264 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2267 if ((frame_rightBand) >= frame_width){
2268 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2271 frame_width -= frame_rightBand;
2274 static void opt_frame_size(const char *arg)
2276 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2277 fprintf(stderr, "Incorrect frame size\n");
2280 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2281 fprintf(stderr, "Frame size must be a multiple of 2\n");
2287 #define SCALEBITS 10
2288 #define ONE_HALF (1 << (SCALEBITS - 1))
2289 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2291 #define RGB_TO_Y(r, g, b) \
2292 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2293 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2295 #define RGB_TO_U(r1, g1, b1, shift)\
2296 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2297 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2299 #define RGB_TO_V(r1, g1, b1, shift)\
2300 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2301 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2303 static void opt_pad_color(const char *arg) {
2304 /* Input is expected to be six hex digits similar to
2305 how colors are expressed in html tags (but without the #) */
2306 int rgb = strtol(arg, NULL, 16);
2310 g = ((rgb >> 8) & 255);
2313 padcolor[0] = RGB_TO_Y(r,g,b);
2314 padcolor[1] = RGB_TO_U(r,g,b,0);
2315 padcolor[2] = RGB_TO_V(r,g,b,0);
2318 static void opt_frame_pad_top(const char *arg)
2320 frame_padtop = atoi(arg);
2321 if (frame_padtop < 0) {
2322 fprintf(stderr, "Incorrect top pad size\n");
2325 if ((frame_padtop % 2) != 0) {
2326 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2331 static void opt_frame_pad_bottom(const char *arg)
2333 frame_padbottom = atoi(arg);
2334 if (frame_padbottom < 0) {
2335 fprintf(stderr, "Incorrect bottom pad size\n");
2338 if ((frame_padbottom % 2) != 0) {
2339 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2345 static void opt_frame_pad_left(const char *arg)
2347 frame_padleft = atoi(arg);
2348 if (frame_padleft < 0) {
2349 fprintf(stderr, "Incorrect left pad size\n");
2352 if ((frame_padleft % 2) != 0) {
2353 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2359 static void opt_frame_pad_right(const char *arg)
2361 frame_padright = atoi(arg);
2362 if (frame_padright < 0) {
2363 fprintf(stderr, "Incorrect right pad size\n");
2366 if ((frame_padright % 2) != 0) {
2367 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2372 void list_pix_fmts(void)
2375 char pix_fmt_str[128];
2376 for (i=-1; i < PIX_FMT_NB; i++) {
2377 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2378 fprintf(stdout, "%s\n", pix_fmt_str);
2382 static void opt_frame_pix_fmt(const char *arg)
2384 if (strcmp(arg, "list"))
2385 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2392 static void opt_frame_aspect_ratio(const char *arg)
2398 p = strchr(arg, ':');
2400 x = strtol(arg, (char **)&arg, 10);
2402 y = strtol(arg+1, (char **)&arg, 10);
2404 ar = (double)x / (double)y;
2406 ar = strtod(arg, (char **)&arg);
2409 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2412 frame_aspect_ratio = ar;
2415 static void opt_qscale(const char *arg)
2417 video_qscale = atof(arg);
2418 if (video_qscale <= 0 ||
2419 video_qscale > 255) {
2420 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2425 static void opt_qdiff(const char *arg)
2427 video_qdiff = atoi(arg);
2428 if (video_qdiff < 0 ||
2430 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2435 static void opt_strict(const char *arg)
2440 static void opt_top_field_first(const char *arg)
2442 top_field_first= atoi(arg);
2445 static void opt_thread_count(const char *arg)
2447 thread_count= atoi(arg);
2448 #if !defined(HAVE_THREADS)
2450 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2454 static void opt_audio_rate(const char *arg)
2456 audio_sample_rate = atoi(arg);
2459 static void opt_audio_channels(const char *arg)
2461 audio_channels = atoi(arg);
2464 static void opt_video_channel(const char *arg)
2466 video_channel = strtol(arg, NULL, 0);
2469 static void opt_video_standard(const char *arg)
2471 video_standard = av_strdup(arg);
2474 static void opt_codec(int *pstream_copy, char **pcodec_name,
2475 int codec_type, const char *arg)
2477 av_freep(pcodec_name);
2478 if (!strcmp(arg, "copy")) {
2481 *pcodec_name = av_strdup(arg);
2485 static void opt_audio_codec(const char *arg)
2487 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2490 static void opt_audio_tag(const char *arg)
2493 audio_codec_tag= strtol(arg, &tail, 0);
2496 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2499 static void opt_video_tag(const char *arg)
2502 video_codec_tag= strtol(arg, &tail, 0);
2505 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2509 static void add_frame_hooker(const char *arg)
2514 char *args = av_strdup(arg);
2518 argv[0] = strtok(args, " ");
2519 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2522 i = frame_hook_add(argc, argv);
2525 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2531 static void opt_video_codec(const char *arg)
2533 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2536 static void opt_subtitle_codec(const char *arg)
2538 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2541 static void opt_map(const char *arg)
2547 m = &stream_maps[nb_stream_maps++];
2549 m->file_index = strtol(arg, (char **)&p, 0);
2553 m->stream_index = strtol(p, (char **)&p, 0);
2556 m->sync_file_index = strtol(p, (char **)&p, 0);
2559 m->sync_stream_index = strtol(p, (char **)&p, 0);
2561 m->sync_file_index = m->file_index;
2562 m->sync_stream_index = m->stream_index;
2566 static void opt_map_meta_data(const char *arg)
2572 m = &meta_data_maps[nb_meta_data_maps++];
2574 m->out_file = strtol(arg, (char **)&p, 0);
2578 m->in_file = strtol(p, (char **)&p, 0);
2581 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2583 int64_t us = parse_date(timestr, is_duration);
2584 if (us == INT64_MIN) {
2585 fprintf(stderr, "Invalid %s specification: %s\n",
2586 is_duration ? "duration" : "date", timestr);
2592 static void opt_recording_time(const char *arg)
2594 recording_time = parse_time_or_die(arg, 1);
2597 static void opt_start_time(const char *arg)
2599 start_time = parse_time_or_die(arg, 1);
2602 static void opt_rec_timestamp(const char *arg)
2604 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2607 static void opt_input_ts_offset(const char *arg)
2609 input_ts_offset = parse_time_or_die(arg, 1);
2612 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2614 char *codec_string = encoder ? "encoder" : "decoder";
2618 return CODEC_ID_NONE;
2620 avcodec_find_encoder_by_name(name) :
2621 avcodec_find_decoder_by_name(name);
2623 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2626 if(codec->type != type) {
2627 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2633 static void opt_input_file(const char *filename)
2635 AVFormatContext *ic;
2636 AVFormatParameters params, *ap = ¶ms;
2637 int err, i, ret, rfps, rfps_base;
2640 if (!strcmp(filename, "-"))
2643 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2644 !strcmp( filename, "/dev/stdin" );
2646 /* get default parameters from command line */
2647 ic = av_alloc_format_context();
2649 memset(ap, 0, sizeof(*ap));
2650 ap->prealloced_context = 1;
2651 ap->sample_rate = audio_sample_rate;
2652 ap->channels = audio_channels;
2653 ap->time_base.den = frame_rate.num;
2654 ap->time_base.num = frame_rate.den;
2655 ap->width = frame_width + frame_padleft + frame_padright;
2656 ap->height = frame_height + frame_padtop + frame_padbottom;
2657 ap->pix_fmt = frame_pix_fmt;
2658 ap->channel = video_channel;
2659 ap->standard = video_standard;
2660 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2661 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2662 if(pgmyuv_compatibility_hack)
2663 ap->video_codec_id= CODEC_ID_PGMYUV;
2665 for(i=0; i<opt_name_count; i++){
2667 const AVOption *opt;
2668 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2669 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2670 av_set_string(ic, opt_names[i], str);
2673 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2674 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2675 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2677 /* open the input file with generic libav function */
2678 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2680 print_error(filename, err);
2685 for(i=0; i<ic->nb_programs; i++)
2686 if(ic->programs[i]->id != opt_programid)
2687 ic->programs[i]->discard = AVDISCARD_ALL;
2690 ic->loop_input = loop_input;
2692 /* If not enough info to get the stream parameters, we decode the
2693 first frames to get it. (used in mpeg case for example) */
2694 ret = av_find_stream_info(ic);
2695 if (ret < 0 && verbose >= 0) {
2696 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2700 timestamp = start_time;
2701 /* add the stream start time */
2702 if (ic->start_time != AV_NOPTS_VALUE)
2703 timestamp += ic->start_time;
2705 /* if seeking requested, we execute it */
2706 if (start_time != 0) {
2707 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2709 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2710 filename, (double)timestamp / AV_TIME_BASE);
2712 /* reset seek info */
2716 /* update the current parameters so that they match the one of the input stream */
2717 for(i=0;i<ic->nb_streams;i++) {
2719 AVCodecContext *enc = ic->streams[i]->codec;
2721 avcodec_thread_init(enc, thread_count);
2722 enc->thread_count= thread_count;
2723 switch(enc->codec_type) {
2724 case CODEC_TYPE_AUDIO:
2725 for(j=0; j<opt_name_count; j++){
2727 const AVOption *opt;
2728 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2729 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2730 av_set_string(enc, opt_names[j], str);
2732 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2733 audio_channels = enc->channels;
2734 audio_sample_rate = enc->sample_rate;
2736 ic->streams[i]->discard= AVDISCARD_ALL;
2738 case CODEC_TYPE_VIDEO:
2739 for(j=0; j<opt_name_count; j++){
2741 const AVOption *opt;
2742 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2743 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2744 av_set_string(enc, opt_names[j], str);
2746 frame_height = enc->height;
2747 frame_width = enc->width;
2748 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2749 frame_pix_fmt = enc->pix_fmt;
2750 rfps = ic->streams[i]->r_frame_rate.num;
2751 rfps_base = ic->streams[i]->r_frame_rate.den;
2752 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2754 enc->debug |= FF_DEBUG_MV;
2756 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2759 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2760 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2762 (float)rfps / rfps_base, rfps, rfps_base);
2764 /* update the current frame rate to match the stream frame rate */
2765 frame_rate.num = rfps;
2766 frame_rate.den = rfps_base;
2768 enc->rate_emu = rate_emu;
2770 ic->streams[i]->discard= AVDISCARD_ALL;
2771 else if(video_discard)
2772 ic->streams[i]->discard= video_discard;
2774 case CODEC_TYPE_DATA:
2776 case CODEC_TYPE_SUBTITLE:
2777 if(subtitle_disable)
2778 ic->streams[i]->discard = AVDISCARD_ALL;
2780 case CODEC_TYPE_ATTACHMENT:
2781 case CODEC_TYPE_UNKNOWN:
2788 input_files[nb_input_files] = ic;
2789 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2790 /* dump the file content */
2792 dump_format(ic, nb_input_files, filename, 0);
2795 file_iformat = NULL;
2796 file_oformat = NULL;
2801 av_freep(&video_codec_name);
2802 av_freep(&audio_codec_name);
2803 av_freep(&subtitle_codec_name);
2806 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2807 int *has_subtitle_ptr)
2809 int has_video, has_audio, has_subtitle, i, j;
2810 AVFormatContext *ic;
2815 for(j=0;j<nb_input_files;j++) {
2816 ic = input_files[j];
2817 for(i=0;i<ic->nb_streams;i++) {
2818 AVCodecContext *enc = ic->streams[i]->codec;
2819 switch(enc->codec_type) {
2820 case CODEC_TYPE_AUDIO:
2823 case CODEC_TYPE_VIDEO:
2826 case CODEC_TYPE_SUBTITLE:
2829 case CODEC_TYPE_DATA:
2830 case CODEC_TYPE_ATTACHMENT:
2831 case CODEC_TYPE_UNKNOWN:
2838 *has_video_ptr = has_video;
2839 *has_audio_ptr = has_audio;
2840 *has_subtitle_ptr = has_subtitle;
2843 static void new_video_stream(AVFormatContext *oc)
2846 AVCodecContext *video_enc;
2849 st = av_new_stream(oc, oc->nb_streams);
2851 fprintf(stderr, "Could not alloc stream\n");
2854 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2855 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2856 video_bitstream_filters= NULL;
2859 avcodec_thread_init(st->codec, thread_count);
2861 video_enc = st->codec;
2864 video_enc->codec_tag= video_codec_tag;
2866 if( (video_global_header&1)
2867 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2868 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2869 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2871 if(video_global_header&2){
2872 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2873 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2876 if (video_stream_copy) {
2877 st->stream_copy = 1;
2878 video_enc->codec_type = CODEC_TYPE_VIDEO;
2883 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2885 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2886 if (video_codec_name)
2887 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2889 video_enc->codec_id = codec_id;
2890 codec = avcodec_find_encoder(codec_id);
2892 for(i=0; i<opt_name_count; i++){
2894 const AVOption *opt;
2895 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2896 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2897 av_set_string(video_enc, opt_names[i], str);
2900 video_enc->time_base.den = fps.num;
2901 video_enc->time_base.num = fps.den;
2902 if(codec && codec->supported_framerates){
2903 const AVRational *p= codec->supported_framerates;
2904 const AVRational *best=NULL;
2905 AVRational best_error= (AVRational){INT_MAX, 1};
2906 for(; p->den!=0; p++){
2907 AVRational error= av_sub_q(fps, *p);
2908 if(error.num <0) error.num *= -1;
2909 if(av_cmp_q(error, best_error) < 0){
2914 video_enc->time_base.den= best->num;
2915 video_enc->time_base.num= best->den;
2918 video_enc->width = frame_width + frame_padright + frame_padleft;
2919 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2920 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2921 video_enc->pix_fmt = frame_pix_fmt;
2923 if(codec && codec->pix_fmts){
2924 const enum PixelFormat *p= codec->pix_fmts;
2926 if(*p == video_enc->pix_fmt)
2930 video_enc->pix_fmt = codec->pix_fmts[0];
2934 video_enc->gop_size = 0;
2935 if (video_qscale || same_quality) {
2936 video_enc->flags |= CODEC_FLAG_QSCALE;
2937 video_enc->global_quality=
2938 st->quality = FF_QP2LAMBDA * video_qscale;
2942 video_enc->intra_matrix = intra_matrix;
2944 video_enc->inter_matrix = inter_matrix;
2946 video_enc->max_qdiff = video_qdiff;
2947 video_enc->thread_count = thread_count;
2948 p= video_rc_override_string;
2951 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2953 fprintf(stderr, "error parsing rc_override\n");
2956 video_enc->rc_override=
2957 av_realloc(video_enc->rc_override,
2958 sizeof(RcOverride)*(i+1));
2959 video_enc->rc_override[i].start_frame= start;
2960 video_enc->rc_override[i].end_frame = end;
2962 video_enc->rc_override[i].qscale= q;
2963 video_enc->rc_override[i].quality_factor= 1.0;
2966 video_enc->rc_override[i].qscale= 0;
2967 video_enc->rc_override[i].quality_factor= -q/100.0;
2972 video_enc->rc_override_count=i;
2973 if (!video_enc->rc_initial_buffer_occupancy)
2974 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2975 video_enc->me_threshold= me_threshold;
2976 video_enc->intra_dc_precision= intra_dc_precision - 8;
2977 video_enc->strict_std_compliance = strict;
2980 video_enc->flags|= CODEC_FLAG_PSNR;
2985 video_enc->flags |= CODEC_FLAG_PASS1;
2987 video_enc->flags |= CODEC_FLAG_PASS2;
2992 /* reset some key parameters */
2994 av_freep(&video_codec_name);
2995 video_stream_copy = 0;
2998 static void new_audio_stream(AVFormatContext *oc)
3001 AVCodecContext *audio_enc;
3004 st = av_new_stream(oc, oc->nb_streams);
3006 fprintf(stderr, "Could not alloc stream\n");
3009 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3011 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3012 audio_bitstream_filters= NULL;
3015 avcodec_thread_init(st->codec, thread_count);
3017 audio_enc = st->codec;
3018 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3019 audio_enc->strict_std_compliance = strict;
3022 audio_enc->codec_tag= audio_codec_tag;
3024 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3025 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3026 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3028 if (audio_stream_copy) {
3029 st->stream_copy = 1;
3030 audio_enc->channels = audio_channels;
3032 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3034 for(i=0; i<opt_name_count; i++){
3036 const AVOption *opt;
3037 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3038 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3039 av_set_string(audio_enc, opt_names[i], str);
3042 if (audio_codec_name)
3043 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3044 audio_enc->codec_id = codec_id;
3046 if (audio_qscale > QSCALE_NONE) {
3047 audio_enc->flags |= CODEC_FLAG_QSCALE;
3048 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3050 audio_enc->thread_count = thread_count;
3051 audio_enc->channels = audio_channels;
3053 audio_enc->sample_rate = audio_sample_rate;
3054 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3055 if (audio_language) {
3056 av_strlcpy(st->language, audio_language, sizeof(st->language));
3057 av_free(audio_language);
3058 audio_language = NULL;
3061 /* reset some key parameters */
3063 av_freep(&audio_codec_name);
3064 audio_stream_copy = 0;
3067 static void new_subtitle_stream(AVFormatContext *oc)
3070 AVCodecContext *subtitle_enc;
3073 st = av_new_stream(oc, oc->nb_streams);
3075 fprintf(stderr, "Could not alloc stream\n");
3078 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3080 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3081 subtitle_bitstream_filters= NULL;
3083 subtitle_enc = st->codec;
3084 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3085 if (subtitle_stream_copy) {
3086 st->stream_copy = 1;
3088 for(i=0; i<opt_name_count; i++){
3090 const AVOption *opt;
3091 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3092 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3093 av_set_string(subtitle_enc, opt_names[i], str);
3095 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3098 if (subtitle_language) {
3099 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3100 av_free(subtitle_language);
3101 subtitle_language = NULL;
3104 subtitle_disable = 0;
3105 av_freep(&subtitle_codec_name);
3106 subtitle_stream_copy = 0;
3109 static void opt_new_audio_stream(void)
3111 AVFormatContext *oc;
3112 if (nb_output_files <= 0) {
3113 fprintf(stderr, "At least one output file must be specified\n");
3116 oc = output_files[nb_output_files - 1];
3117 new_audio_stream(oc);
3120 static void opt_new_video_stream(void)
3122 AVFormatContext *oc;
3123 if (nb_output_files <= 0) {
3124 fprintf(stderr, "At least one output file must be specified\n");
3127 oc = output_files[nb_output_files - 1];
3128 new_video_stream(oc);
3131 static void opt_new_subtitle_stream(void)
3133 AVFormatContext *oc;
3134 if (nb_output_files <= 0) {
3135 fprintf(stderr, "At least one output file must be specified\n");
3138 oc = output_files[nb_output_files - 1];
3139 new_subtitle_stream(oc);
3142 static void opt_output_file(const char *filename)
3144 AVFormatContext *oc;
3145 int use_video, use_audio, use_subtitle;
3146 int input_has_video, input_has_audio, input_has_subtitle, i;
3147 AVFormatParameters params, *ap = ¶ms;
3149 if (!strcmp(filename, "-"))
3152 oc = av_alloc_format_context();
3154 if (!file_oformat) {
3155 file_oformat = guess_format(NULL, filename, NULL);
3156 if (!file_oformat) {
3157 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3163 oc->oformat = file_oformat;
3164 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3166 if (!strcmp(file_oformat->name, "ffm") &&
3167 av_strstart(filename, "http:", NULL)) {
3168 /* special case for files sent to ffserver: we get the stream
3169 parameters from ffserver */
3170 if (read_ffserver_streams(oc, filename) < 0) {
3171 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3175 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3176 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3177 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3179 /* disable if no corresponding type found and at least one
3181 if (nb_input_files > 0) {
3182 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3183 &input_has_subtitle);
3184 if (!input_has_video)
3186 if (!input_has_audio)
3188 if (!input_has_subtitle)
3192 /* manual disable */
3193 if (audio_disable) {
3196 if (video_disable) {
3199 if (subtitle_disable) {
3204 new_video_stream(oc);
3208 new_audio_stream(oc);
3212 new_subtitle_stream(oc);
3215 oc->timestamp = rec_timestamp;
3218 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3220 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3222 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3224 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3226 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3228 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3231 output_files[nb_output_files++] = oc;
3233 /* check filename in case of an image number is expected */
3234 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3235 if (!av_filename_number_test(oc->filename)) {
3236 print_error(oc->filename, AVERROR_NUMEXPECTED);
3241 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3242 /* test if it already exists to avoid loosing precious files */
3243 if (!file_overwrite &&
3244 (strchr(filename, ':') == NULL ||
3245 filename[1] == ':' ||
3246 av_strstart(filename, "file:", NULL))) {
3247 if (url_exist(filename)) {
3250 if ( !using_stdin ) {
3251 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3254 if (toupper(c) != 'Y') {
3255 fprintf(stderr, "Not overwriting - exiting\n");
3260 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3267 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3268 fprintf(stderr, "Could not open '%s'\n", filename);
3273 memset(ap, 0, sizeof(*ap));
3274 if (av_set_parameters(oc, ap) < 0) {
3275 fprintf(stderr, "%s: Invalid encoding parameters\n",
3280 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3281 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3282 oc->loop_output = loop_output;
3284 for(i=0; i<opt_name_count; i++){
3286 const AVOption *opt;
3287 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3288 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3289 av_set_string(oc, opt_names[i], str);
3292 /* reset some options */
3293 file_oformat = NULL;
3294 file_iformat = NULL;
3297 /* same option as mencoder */
3298 static void opt_pass(const char *pass_str)
3301 pass = atoi(pass_str);
3302 if (pass != 1 && pass != 2) {
3303 fprintf(stderr, "pass number can be only 1 or 2\n");
3309 static int64_t getutime(void)
3311 #ifdef HAVE_GETRUSAGE
3312 struct rusage rusage;
3314 getrusage(RUSAGE_SELF, &rusage);
3315 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3316 #elif defined(HAVE_GETPROCESSTIMES)
3318 FILETIME c, e, k, u;
3319 proc = GetCurrentProcess();
3320 GetProcessTimes(proc, &c, &e, &k, &u);
3321 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3323 return av_gettime();
3327 static void opt_show_formats(void)
3329 AVInputFormat *ifmt=NULL;
3330 AVOutputFormat *ofmt=NULL;
3331 URLProtocol *up=NULL;
3332 AVCodec *p=NULL, *p2;
3333 AVBitStreamFilter *bsf=NULL;
3334 const char *last_name;
3336 printf("File formats:\n");
3341 const char *name=NULL;
3342 const char *long_name=NULL;
3344 while((ofmt= av_oformat_next(ofmt))) {
3345 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3346 strcmp(ofmt->name, last_name)>0){
3348 long_name= ofmt->long_name;
3352 while((ifmt= av_iformat_next(ifmt))) {
3353 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3354 strcmp(ifmt->name, last_name)>0){
3356 long_name= ifmt->long_name;
3359 if(name && strcmp(ifmt->name, name)==0)
3371 long_name ? long_name:" ");
3375 printf("Codecs:\n");
3381 const char *type_str;
3384 while((p= av_codec_next(p))) {
3385 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3386 strcmp(p->name, last_name)>0){
3388 decode= encode= cap=0;
3390 if(p2 && strcmp(p->name, p2->name)==0){
3391 if(p->decode) decode=1;
3392 if(p->encode) encode=1;
3393 cap |= p->capabilities;
3398 last_name= p2->name;
3401 case CODEC_TYPE_VIDEO:
3404 case CODEC_TYPE_AUDIO:
3407 case CODEC_TYPE_SUBTITLE:
3416 decode ? "D": (/*p2->decoder ? "d":*/" "),
3419 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3420 cap & CODEC_CAP_DR1 ? "D":" ",
3421 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3423 /* if(p2->decoder && decode==0)
3424 printf(" use %s for decoding", p2->decoder->name);*/
3429 printf("Bitstream filters:\n");
3430 while((bsf = av_bitstream_filter_next(bsf)))
3431 printf(" %s", bsf->name);
3434 printf("Supported file protocols:\n");
3435 while((up = av_protocol_next(up)))
3436 printf(" %s:", up->name);
3439 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3442 "Note, the names of encoders and decoders do not always match, so there are\n"
3443 "several cases where the above table shows encoder only or decoder only entries\n"
3444 "even though both encoding and decoding are supported. For example, the h263\n"
3445 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3450 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3453 const char *p = str;
3460 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3467 static void opt_inter_matrix(const char *arg)
3469 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3470 parse_matrix_coeffs(inter_matrix, arg);
3473 static void opt_intra_matrix(const char *arg)
3475 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3476 parse_matrix_coeffs(intra_matrix, arg);
3480 * Trivial log callback.
3481 * Only suitable for show_help and similar since it lacks prefix handling.
3483 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3485 vfprintf(stdout, fmt, vl);
3488 static void show_help(void)
3490 av_log_set_callback(log_callback_help);
3491 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3492 "Hyper fast Audio and Video encoder\n");
3494 show_help_options(options, "Main options:\n",
3495 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3496 show_help_options(options, "\nVideo options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3499 show_help_options(options, "\nAdvanced Video options:\n",
3500 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3501 OPT_VIDEO | OPT_EXPERT);
3502 show_help_options(options, "\nAudio options:\n",
3503 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 show_help_options(options, "\nAdvanced Audio options:\n",
3506 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3507 OPT_AUDIO | OPT_EXPERT);
3508 show_help_options(options, "\nSubtitle options:\n",
3509 OPT_SUBTITLE | OPT_GRAB,
3511 show_help_options(options, "\nAudio/Video grab options:\n",
3514 show_help_options(options, "\nAdvanced options:\n",
3515 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3517 av_opt_show(avctx_opts[0], NULL);
3518 av_opt_show(avformat_opts, NULL);
3519 av_opt_show(sws_opts, NULL);
3522 static void opt_show_help(void)
3528 static void opt_target(const char *arg)
3531 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3533 if(!strncmp(arg, "pal-", 4)) {
3536 } else if(!strncmp(arg, "ntsc-", 5)) {
3539 } else if(!strncmp(arg, "film-", 5)) {
3544 /* Calculate FR via float to avoid int overflow */
3545 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3548 } else if((fr == 29970) || (fr == 23976)) {
3551 /* Try to determine PAL/NTSC by peeking in the input files */
3552 if(nb_input_files) {
3554 for(j = 0; j < nb_input_files; j++) {
3555 for(i = 0; i < input_files[j]->nb_streams; i++) {
3556 AVCodecContext *c = input_files[j]->streams[i]->codec;
3557 if(c->codec_type != CODEC_TYPE_VIDEO)
3559 fr = c->time_base.den * 1000 / c->time_base.num;
3563 } else if((fr == 29970) || (fr == 23976)) {
3573 if(verbose && norm >= 0)
3574 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3578 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3579 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3580 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3584 if(!strcmp(arg, "vcd")) {
3586 opt_video_codec("mpeg1video");
3587 opt_audio_codec("mp2");
3590 opt_frame_size(norm ? "352x240" : "352x288");
3591 opt_frame_rate(frame_rates[norm]);
3592 opt_default("gop", norm ? "18" : "15");
3594 opt_default("b", "1150000");
3595 opt_default("maxrate", "1150000");
3596 opt_default("minrate", "1150000");
3597 opt_default("bufsize", "327680"); // 40*1024*8;
3599 opt_default("ab", "224000");
3600 audio_sample_rate = 44100;
3603 opt_default("packetsize", "2324");
3604 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3606 /* We have to offset the PTS, so that it is consistent with the SCR.
3607 SCR starts at 36000, but the first two packs contain only padding
3608 and the first pack from the other stream, respectively, may also have
3609 been written before.
3610 So the real data starts at SCR 36000+3*1200. */
3611 mux_preload= (36000+3*1200) / 90000.0; //0.44
3612 } else if(!strcmp(arg, "svcd")) {
3614 opt_video_codec("mpeg2video");
3615 opt_audio_codec("mp2");
3618 opt_frame_size(norm ? "480x480" : "480x576");
3619 opt_frame_rate(frame_rates[norm]);
3620 opt_default("gop", norm ? "18" : "15");
3622 opt_default("b", "2040000");
3623 opt_default("maxrate", "2516000");
3624 opt_default("minrate", "0"); //1145000;
3625 opt_default("bufsize", "1835008"); //224*1024*8;
3626 opt_default("flags", "+SCAN_OFFSET");
3629 opt_default("ab", "224000");
3630 audio_sample_rate = 44100;
3632 opt_default("packetsize", "2324");
3634 } else if(!strcmp(arg, "dvd")) {
3636 opt_video_codec("mpeg2video");
3637 opt_audio_codec("ac3");
3640 opt_frame_size(norm ? "720x480" : "720x576");
3641 opt_frame_rate(frame_rates[norm]);
3642 opt_default("gop", norm ? "18" : "15");
3644 opt_default("b", "6000000");
3645 opt_default("maxrate", "9000000");
3646 opt_default("minrate", "0"); //1500000;
3647 opt_default("bufsize", "1835008"); //224*1024*8;
3649 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3650 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3652 opt_default("ab", "448000");
3653 audio_sample_rate = 48000;
3655 } else if(!strncmp(arg, "dv", 2)) {
3659 opt_frame_size(norm ? "720x480" : "720x576");
3660 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3661 (norm ? "yuv411p" : "yuv420p"));
3662 opt_frame_rate(frame_rates[norm]);
3664 audio_sample_rate = 48000;
3668 fprintf(stderr, "Unknown target: %s\n", arg);
3673 static void opt_vstats_file (const char *arg)
3675 av_free (vstats_filename);
3676 vstats_filename=av_strdup (arg);
3679 static void opt_vstats (void)
3682 time_t today2 = time(NULL);
3683 struct tm *today = localtime(&today2);
3685 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3687 opt_vstats_file(filename);
3690 static int opt_bsf(const char *opt, const char *arg)
3692 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3693 AVBitStreamFilterContext **bsfp;
3696 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3700 bsfp= *opt == 'v' ? &video_bitstream_filters :
3701 *opt == 'a' ? &audio_bitstream_filters :
3702 &subtitle_bitstream_filters;
3704 bsfp= &(*bsfp)->next;
3711 static void opt_show_license(void)
3717 static void opt_show_version(void)
3719 show_version(program_name);
3723 const OptionDef options[] = {
3725 { "L", 0, {(void*)opt_show_license}, "show license" },
3726 { "h", 0, {(void*)opt_show_help}, "show help" },
3727 { "version", 0, {(void*)opt_show_version}, "show version" },
3728 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3729 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3730 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3731 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3732 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3733 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3734 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3735 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3736 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3737 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3738 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3739 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3740 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3741 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3742 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3743 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3744 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3745 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3746 "add timings for benchmarking" },
3747 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3748 "dump each input packet" },
3749 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3750 "when dumping packets, also dump the payload" },
3751 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3752 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3753 { "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)", "" },
3754 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3755 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3756 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3757 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3758 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3759 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3760 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3761 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3762 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3763 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3764 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3767 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3768 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3769 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3770 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3771 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3772 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3773 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3774 { "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" },
3775 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3776 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3777 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3778 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3779 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3780 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3781 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3782 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3783 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3784 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3785 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3786 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3787 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3788 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3789 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3790 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3791 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3792 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3793 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3794 "use same video quality as source (implies VBR)" },
3795 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3796 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3797 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3798 "deinterlace pictures" },
3799 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3800 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3801 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3803 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3805 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3806 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3807 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3808 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3809 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3810 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3811 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3814 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3815 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3816 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3817 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3818 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3819 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3820 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3821 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3822 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3823 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3824 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3826 /* subtitle options */
3827 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3828 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3829 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3830 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3833 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3834 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3835 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3838 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3839 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3841 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3842 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3843 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3845 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3849 static int av_exit()
3854 for(i=0;i<nb_output_files;i++) {
3855 /* maybe av_close_output_file ??? */
3856 AVFormatContext *s = output_files[i];
3858 if (!(s->oformat->flags & AVFMT_NOFILE))
3860 for(j=0;j<s->nb_streams;j++) {
3861 av_free(s->streams[j]->codec);
3862 av_free(s->streams[j]);
3866 for(i=0;i<nb_input_files;i++)
3867 av_close_input_file(input_files[i]);
3871 av_free(intra_matrix);
3872 av_free(inter_matrix);
3875 fclose(vstats_file);
3876 av_free(vstats_filename);
3880 av_free(video_codec_name);
3881 av_free(audio_codec_name);
3882 av_free(subtitle_codec_name);
3884 av_free(video_standard);
3886 #ifdef CONFIG_POWERPC_PERF
3887 extern void powerpc_display_perf_report(void);
3888 powerpc_display_perf_report();
3889 #endif /* CONFIG_POWERPC_PERF */
3891 if (received_sigterm) {
3893 "Received signal %d: terminating.\n",
3894 (int) received_sigterm);
3898 exit(0); /* not all OS-es handle main() return value */
3902 int main(int argc, char **argv)
3907 avcodec_register_all();
3908 avdevice_register_all();
3911 for(i=0; i<CODEC_TYPE_NB; i++){
3912 avctx_opts[i]= avcodec_alloc_context2(i);
3914 avformat_opts = av_alloc_format_context();
3915 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3917 show_banner(program_name, program_birth_year);
3924 parse_options(argc, argv, options, opt_output_file);
3926 /* file converter / grab */
3927 if (nb_output_files <= 0) {
3928 fprintf(stderr, "Must supply at least one output file\n");
3932 if (nb_input_files == 0) {
3933 fprintf(stderr, "Must supply at least one input file\n");
3938 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3939 stream_maps, nb_stream_maps);
3940 ti = getutime() - ti;
3942 printf("bench: utime=%0.3fs\n", ti / 1000000.0);