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) {25,1};
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 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_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static float audio_drift_threshold= 0.1;
182 static int copy_ts= 0;
183 static int opt_shortest = 0; //
184 static int video_global_header = 0;
185 static char *vstats_filename;
186 static FILE *vstats_file;
187 static int opt_programid = 0;
189 static int rate_emu = 0;
191 static int video_channel = 0;
192 static char *video_standard;
194 static int audio_volume = 256;
196 static int using_stdin = 0;
197 static int using_vhook = 0;
198 static int verbose = 1;
199 static int thread_count= 1;
200 static int q_pressed = 0;
201 static int64_t video_size = 0;
202 static int64_t audio_size = 0;
203 static int64_t extra_size = 0;
204 static int nb_frames_dup = 0;
205 static int nb_frames_drop = 0;
206 static int input_sync;
207 static uint64_t limit_filesize = 0; //
209 static int pgmyuv_compatibility_hack=0;
210 static float dts_delta_threshold = 10;
212 static int sws_flags = SWS_BICUBIC;
214 static const char **opt_names;
215 static int opt_name_count;
216 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
217 static AVFormatContext *avformat_opts;
218 static struct SwsContext *sws_opts;
219 static int64_t timer_start;
221 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
225 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
227 struct AVInputStream;
229 typedef struct AVOutputStream {
230 int file_index; /* file index */
231 int index; /* stream index in the output file */
232 int source_index; /* AVInputStream index */
233 AVStream *st; /* stream in the output file */
234 int encoding_needed; /* true if encoding needed for this stream */
236 /* input pts and corresponding output pts
238 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
239 struct AVInputStream *sync_ist; /* input stream to sync against */
240 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
243 AVFrame pict_tmp; /* temporary image for resampling */
244 struct SwsContext *img_resample_ctx; /* for image resampling */
248 int topBand; /* cropping area sizes */
252 int padtop; /* padding area sizes */
259 ReSampleContext *resample; /* for audio resampling */
260 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
264 typedef struct AVInputStream {
268 int discard; /* true if stream data should be discarded */
269 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
270 int64_t sample_index; /* current sample */
272 int64_t start; /* time when read started */
273 unsigned long frame; /* current frame */
274 int64_t next_pts; /* synthetic pts for cases where pkt.pts
276 int64_t pts; /* current pts */
277 int is_start; /* is 1 at the start and after a discontinuity */
280 typedef struct AVInputFile {
281 int eof_reached; /* true if eof reached */
282 int ist_index; /* index of first stream in ist_table */
283 int buffer_size; /* current total buffer size */
284 int nb_streams; /* nb streams we are aware of */
287 #ifdef HAVE_TERMIOS_H
289 /* init terminal so that we can grab keys */
290 static struct termios oldtty;
293 static void term_exit(void)
295 #ifdef HAVE_TERMIOS_H
296 tcsetattr (0, TCSANOW, &oldtty);
300 static volatile sig_atomic_t received_sigterm = 0;
303 sigterm_handler(int sig)
305 received_sigterm = sig;
309 static void term_init(void)
311 #ifdef HAVE_TERMIOS_H
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
326 tcsetattr (0, TCSANOW, &tty);
327 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
330 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
333 register a function to be called at normal program termination
336 #ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
341 /* read a key without blocking */
342 static int read_key(void)
344 #if defined(HAVE_TERMIOS_H)
347 #ifndef CONFIG_BEOS_NETSERVER
355 n = select(1, &rfds, NULL, NULL, &tv);
364 #elif defined(HAVE_CONIO_H)
371 static int decode_interrupt_cb(void)
373 return q_pressed || (q_pressed = read_key() == 'q');
376 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
381 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
384 /* copy stream format */
385 s->nb_streams = ic->nb_streams;
386 for(i=0;i<ic->nb_streams;i++) {
389 // FIXME: a more elegant solution is needed
390 st = av_mallocz(sizeof(AVStream));
391 memcpy(st, ic->streams[i], sizeof(AVStream));
392 st->codec = avcodec_alloc_context();
393 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
397 av_close_input_file(ic);
402 get_sync_ipts(const AVOutputStream *ost)
404 const AVInputStream *ist = ost->sync_ist;
405 return (double)(ist->pts - start_time)/AV_TIME_BASE;
408 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
412 AVPacket new_pkt= *pkt;
413 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
414 &new_pkt.data, &new_pkt.size,
415 pkt->data, pkt->size,
416 pkt->flags & PKT_FLAG_KEY);
419 new_pkt.destruct= av_destruct_packet;
426 ret= av_interleaved_write_frame(s, pkt);
428 print_error("av_interleaved_write_frame()", ret);
433 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
435 static void do_audio_out(AVFormatContext *s,
438 unsigned char *buf, int size)
441 static uint8_t *audio_buf = NULL;
442 static uint8_t *audio_out = NULL;
443 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
445 int size_out, frame_bytes, ret;
446 AVCodecContext *enc= ost->st->codec;
448 /* SC: dynamic allocation of buffers */
450 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
452 audio_out = av_malloc(audio_out_size);
453 if (!audio_buf || !audio_out)
454 return; /* Should signal an error ! */
456 if(audio_sync_method){
457 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
458 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
459 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
460 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
462 //FIXME resample delay
463 if(fabs(delta) > 50){
464 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
466 byte_delta= FFMAX(byte_delta, -size);
470 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
475 static uint8_t *input_tmp= NULL;
476 input_tmp= av_realloc(input_tmp, byte_delta + size);
478 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
481 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
483 memset(input_tmp, 0, byte_delta);
484 memcpy(input_tmp + byte_delta, buf, size);
488 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
490 }else if(audio_sync_method>1){
491 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
492 assert(ost->audio_resample);
494 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
495 // 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));
496 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
500 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
501 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
503 if (ost->audio_resample) {
505 size_out = audio_resample(ost->resample,
506 (short *)buftmp, (short *)buf,
507 size / (ist->st->codec->channels * 2));
508 size_out = size_out * enc->channels * 2;
514 /* now encode as many frames as possible */
515 if (enc->frame_size > 1) {
516 /* output resampled raw samples */
517 av_fifo_write(&ost->fifo, buftmp, size_out);
519 frame_bytes = enc->frame_size * 2 * enc->channels;
521 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
523 av_init_packet(&pkt);
525 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
528 pkt.stream_index= ost->index;
531 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
532 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
533 pkt.flags |= PKT_FLAG_KEY;
534 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
536 ost->sync_opts += enc->frame_size;
540 av_init_packet(&pkt);
542 ost->sync_opts += size_out / (2 * enc->channels);
544 /* output a pcm frame */
545 /* XXX: change encoding codec API to avoid this ? */
546 switch(enc->codec->id) {
547 case CODEC_ID_PCM_S32LE:
548 case CODEC_ID_PCM_S32BE:
549 case CODEC_ID_PCM_U32LE:
550 case CODEC_ID_PCM_U32BE:
551 size_out = size_out << 1;
553 case CODEC_ID_PCM_S24LE:
554 case CODEC_ID_PCM_S24BE:
555 case CODEC_ID_PCM_U24LE:
556 case CODEC_ID_PCM_U24BE:
557 case CODEC_ID_PCM_S24DAUD:
558 size_out = size_out / 2 * 3;
560 case CODEC_ID_PCM_S16LE:
561 case CODEC_ID_PCM_S16BE:
562 case CODEC_ID_PCM_U16LE:
563 case CODEC_ID_PCM_U16BE:
566 size_out = size_out >> 1;
569 ret = avcodec_encode_audio(enc, audio_out, size_out,
572 pkt.stream_index= ost->index;
575 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
576 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
577 pkt.flags |= PKT_FLAG_KEY;
578 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
582 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
586 AVPicture picture_tmp;
589 dec = ist->st->codec;
591 /* deinterlace : must be done before any resize */
592 if (do_deinterlace || using_vhook) {
595 /* create temporary picture */
596 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
597 buf = av_malloc(size);
601 picture2 = &picture_tmp;
602 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
605 if(avpicture_deinterlace(picture2, picture,
606 dec->pix_fmt, dec->width, dec->height) < 0) {
607 /* if error, do not deinterlace */
613 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
620 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
621 1000000 * ist->pts / AV_TIME_BASE);
623 if (picture != picture2)
624 *picture = *picture2;
628 /* we begin to correct av delay at this threshold */
629 #define AV_DELAY_MAX 0.100
631 static void do_subtitle_out(AVFormatContext *s,
637 static uint8_t *subtitle_out = NULL;
638 int subtitle_out_max_size = 65536;
639 int subtitle_out_size, nb, i;
643 if (pts == AV_NOPTS_VALUE) {
644 fprintf(stderr, "Subtitle packets must have a pts\n");
648 enc = ost->st->codec;
651 subtitle_out = av_malloc(subtitle_out_max_size);
654 /* Note: DVB subtitle need one packet to draw them and one other
655 packet to clear them */
656 /* XXX: signal it in the codec context ? */
657 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
662 for(i = 0; i < nb; i++) {
663 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
664 subtitle_out_max_size, sub);
666 av_init_packet(&pkt);
667 pkt.stream_index = ost->index;
668 pkt.data = subtitle_out;
669 pkt.size = subtitle_out_size;
670 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
671 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
672 /* XXX: the pts correction is handled here. Maybe handling
673 it in the codec would be better */
675 pkt.pts += 90 * sub->start_display_time;
677 pkt.pts += 90 * sub->end_display_time;
679 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
683 static int bit_buffer_size= 1024*256;
684 static uint8_t *bit_buffer= NULL;
686 static void do_video_out(AVFormatContext *s,
692 int nb_frames, i, ret;
693 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
694 AVFrame picture_crop_temp, picture_pad_temp;
695 AVCodecContext *enc, *dec;
697 avcodec_get_frame_defaults(&picture_crop_temp);
698 avcodec_get_frame_defaults(&picture_pad_temp);
700 enc = ost->st->codec;
701 dec = ist->st->codec;
703 /* by default, we output a single frame */
708 if(video_sync_method){
710 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
711 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
714 else if (vdelta > 1.1)
715 nb_frames = lrintf(vdelta);
716 //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);
720 fprintf(stderr, "*** drop!\n");
721 }else if (nb_frames > 1) {
722 nb_frames_dup += nb_frames;
724 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
727 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
729 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
733 if (ost->video_crop) {
734 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
735 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
738 formatted_picture = &picture_crop_temp;
740 formatted_picture = in_picture;
743 final_picture = formatted_picture;
744 padding_src = formatted_picture;
745 resampling_dst = &ost->pict_tmp;
746 if (ost->video_pad) {
747 final_picture = &ost->pict_tmp;
748 if (ost->video_resample) {
749 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
750 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
753 resampling_dst = &picture_pad_temp;
757 if (ost->video_resample) {
759 final_picture = &ost->pict_tmp;
760 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
761 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
764 if (ost->video_pad) {
765 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
766 enc->height, enc->width, enc->pix_fmt,
767 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
770 /* duplicates frame if needed */
771 for(i=0;i<nb_frames;i++) {
773 av_init_packet(&pkt);
774 pkt.stream_index= ost->index;
776 if (s->oformat->flags & AVFMT_RAWPICTURE) {
777 /* raw pictures are written as AVPicture structure to
778 avoid any copies. We support temorarily the older
780 AVFrame* old_frame = enc->coded_frame;
781 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
782 pkt.data= (uint8_t *)final_picture;
783 pkt.size= sizeof(AVPicture);
784 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
785 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
786 if(dec->coded_frame && dec->coded_frame->key_frame)
787 pkt.flags |= PKT_FLAG_KEY;
789 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
790 enc->coded_frame = old_frame;
794 big_picture= *final_picture;
795 /* better than nothing: use input picture interlaced
797 big_picture.interlaced_frame = in_picture->interlaced_frame;
798 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
799 if(top_field_first == -1)
800 big_picture.top_field_first = in_picture->top_field_first;
802 big_picture.top_field_first = top_field_first;
805 /* handles sameq here. This is not correct because it may
806 not be a global option */
808 big_picture.quality = ist->st->quality;
810 big_picture.quality = ost->st->quality;
812 big_picture.pict_type = 0;
813 // big_picture.pts = AV_NOPTS_VALUE;
814 big_picture.pts= ost->sync_opts;
815 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
816 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
817 ret = avcodec_encode_video(enc,
818 bit_buffer, bit_buffer_size,
821 fprintf(stderr, "Video encoding failed\n");
824 //enc->frame_number = enc->real_pict_num;
826 pkt.data= bit_buffer;
828 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
829 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
830 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
831 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
832 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
834 if(enc->coded_frame && enc->coded_frame->key_frame)
835 pkt.flags |= PKT_FLAG_KEY;
836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
838 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
839 // enc->frame_number-1, enc->real_pict_num, ret,
841 /* if two pass, output log */
842 if (ost->logfile && enc->stats_out) {
843 fprintf(ost->logfile, "%s", enc->stats_out);
852 static double psnr(double d){
853 if(d==0) return INFINITY;
854 return -10.0*log(d)/log(10.0);
857 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
862 double ti1, bitrate, avg_bitrate;
864 /* this is executed just the first time do_video_stats is called */
866 vstats_file = fopen(vstats_filename, "w");
873 enc = ost->st->codec;
874 if (enc->codec_type == CODEC_TYPE_VIDEO) {
875 frame_number = ost->frame_number;
876 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
877 if (enc->flags&CODEC_FLAG_PSNR)
878 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
880 fprintf(vstats_file,"f_size= %6d ", frame_size);
881 /* compute pts value */
882 ti1 = ost->sync_opts * av_q2d(enc->time_base);
886 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
887 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
888 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
889 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
890 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
894 static void print_report(AVFormatContext **output_files,
895 AVOutputStream **ost_table, int nb_ostreams,
900 AVFormatContext *oc, *os;
903 int frame_number, vid, i;
904 double bitrate, ti1, pts;
905 static int64_t last_time = -1;
906 static int qp_histogram[52];
908 if (!is_last_report) {
910 /* display the report every 0.5 seconds */
911 cur_time = av_gettime();
912 if (last_time == -1) {
913 last_time = cur_time;
916 if ((cur_time - last_time) < 500000)
918 last_time = cur_time;
922 oc = output_files[0];
924 total_size = url_fsize(oc->pb);
925 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
926 total_size= url_ftell(oc->pb);
931 for(i=0;i<nb_ostreams;i++) {
933 os = output_files[ost->file_index];
934 enc = ost->st->codec;
935 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
937 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
939 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
940 float t = (av_gettime()-timer_start) / 1000000.0;
942 frame_number = ost->frame_number;
943 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
944 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
945 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
948 if(qp_hist && enc->coded_frame){
950 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
951 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
956 if (enc->flags&CODEC_FLAG_PSNR){
958 double error, error_sum=0;
959 double scale, scale_sum=0;
960 char type[3]= {'Y','U','V'};
961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
964 error= enc->error[j];
965 scale= enc->width*enc->height*255.0*255.0*frame_number;
967 error= enc->coded_frame->error[j];
968 scale= enc->width*enc->height*255.0*255.0;
973 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
975 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
979 /* compute min output value */
980 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
981 if ((pts < ti1) && (pts > 0))
987 if (verbose || is_last_report) {
988 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
990 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
991 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
992 (double)total_size / 1024, ti1, bitrate);
995 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
996 nb_frames_dup, nb_frames_drop);
999 fprintf(stderr, "%s \r", buf);
1004 if (is_last_report && verbose >= 0){
1005 int64_t raw= audio_size + video_size + extra_size;
1006 fprintf(stderr, "\n");
1007 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1011 100.0*(total_size - raw)/raw
1016 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1017 static int output_packet(AVInputStream *ist, int ist_index,
1018 AVOutputStream **ost_table, int nb_ostreams,
1019 const AVPacket *pkt)
1021 AVFormatContext *os;
1022 AVOutputStream *ost;
1026 int data_size, got_picture;
1028 void *buffer_to_free;
1029 static unsigned int samples_size= 0;
1030 static short *samples= NULL;
1031 AVSubtitle subtitle, *subtitle_to_free;
1035 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1036 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1037 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1039 // assert(ist->pts == ist->next_pts);
1053 /* decode the packet if needed */
1054 data_buf = NULL; /* fail safe */
1056 subtitle_to_free = NULL;
1057 if (ist->decoding_needed) {
1058 switch(ist->st->codec->codec_type) {
1059 case CODEC_TYPE_AUDIO:{
1061 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1062 data_size= samples_size;
1063 /* XXX: could avoid copy if PCM 16 bits with same
1064 endianness as CPU */
1065 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1071 /* Some bug in mpeg audio decoder gives */
1072 /* data_size < 0, it seems they are overflows */
1073 if (data_size <= 0) {
1074 /* no audio frame */
1077 data_buf = (uint8_t *)samples;
1078 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1079 (ist->st->codec->sample_rate * ist->st->codec->channels);
1081 case CODEC_TYPE_VIDEO:
1082 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1083 /* XXX: allocate picture correctly */
1084 avcodec_get_frame_defaults(&picture);
1086 ret = avcodec_decode_video(ist->st->codec,
1087 &picture, &got_picture, ptr, len);
1088 ist->st->quality= picture.quality;
1092 /* no picture yet */
1093 goto discard_packet;
1095 if (ist->st->codec->time_base.num != 0) {
1096 ist->next_pts += ((int64_t)AV_TIME_BASE *
1097 ist->st->codec->time_base.num) /
1098 ist->st->codec->time_base.den;
1102 case CODEC_TYPE_SUBTITLE:
1103 ret = avcodec_decode_subtitle(ist->st->codec,
1104 &subtitle, &got_subtitle, ptr, len);
1107 if (!got_subtitle) {
1108 goto discard_packet;
1110 subtitle_to_free = &subtitle;
1117 switch(ist->st->codec->codec_type) {
1118 case CODEC_TYPE_AUDIO:
1119 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1120 ist->st->codec->sample_rate;
1122 case CODEC_TYPE_VIDEO:
1123 if (ist->st->codec->time_base.num != 0) {
1124 ist->next_pts += ((int64_t)AV_TIME_BASE *
1125 ist->st->codec->time_base.num) /
1126 ist->st->codec->time_base.den;
1136 buffer_to_free = NULL;
1137 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1138 pre_process_video_frame(ist, (AVPicture *)&picture,
1142 // preprocess audio (volume)
1143 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1144 if (audio_volume != 256) {
1147 for(i=0;i<(data_size / sizeof(short));i++) {
1148 int v = ((*volp) * audio_volume + 128) >> 8;
1149 if (v < -32768) v = -32768;
1150 if (v > 32767) v = 32767;
1156 /* frame rate emulation */
1157 if (ist->st->codec->rate_emu) {
1158 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1159 int64_t now = av_gettime() - ist->start;
1167 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1168 is the one of the next displayed one */
1169 /* XXX: add mpeg4 too ? */
1170 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1171 if (ist->st->codec->pict_type != B_TYPE) {
1173 tmp = ist->last_ip_pts;
1174 ist->last_ip_pts = ist->frac_pts.val;
1175 ist->frac_pts.val = tmp;
1179 /* if output time reached then transcode raw format,
1180 encode packets and output them */
1181 if (start_time == 0 || ist->pts >= start_time)
1182 for(i=0;i<nb_ostreams;i++) {
1186 if (ost->source_index == ist_index) {
1187 os = output_files[ost->file_index];
1190 printf("%d: got pts=%0.3f %0.3f\n", i,
1191 (double)pkt->pts / AV_TIME_BASE,
1192 ((double)ist->pts / AV_TIME_BASE) -
1193 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1195 /* set the input output pts pairs */
1196 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1198 if (ost->encoding_needed) {
1199 switch(ost->st->codec->codec_type) {
1200 case CODEC_TYPE_AUDIO:
1201 do_audio_out(os, ost, ist, data_buf, data_size);
1203 case CODEC_TYPE_VIDEO:
1204 do_video_out(os, ost, ist, &picture, &frame_size);
1205 video_size += frame_size;
1206 if (vstats_filename && frame_size)
1207 do_video_stats(os, ost, frame_size);
1209 case CODEC_TYPE_SUBTITLE:
1210 do_subtitle_out(os, ost, ist, &subtitle,
1217 AVFrame avframe; //FIXME/XXX remove this
1219 av_init_packet(&opkt);
1221 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1224 /* no reencoding needed : output the packet directly */
1225 /* force the input stream PTS */
1227 avcodec_get_frame_defaults(&avframe);
1228 ost->st->codec->coded_frame= &avframe;
1229 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1231 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1232 audio_size += data_size;
1233 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1234 video_size += data_size;
1238 opkt.stream_index= ost->index;
1239 if(pkt->pts != AV_NOPTS_VALUE)
1240 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1242 opkt.pts= AV_NOPTS_VALUE;
1244 if (pkt->dts == AV_NOPTS_VALUE)
1245 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1247 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1249 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1250 opkt.flags= pkt->flags;
1252 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1253 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1254 opkt.destruct= av_destruct_packet;
1256 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1257 ost->st->codec->frame_number++;
1258 ost->frame_number++;
1259 av_free_packet(&opkt);
1263 av_free(buffer_to_free);
1264 /* XXX: allocate the subtitles in the codec ? */
1265 if (subtitle_to_free) {
1266 if (subtitle_to_free->rects != NULL) {
1267 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1268 av_free(subtitle_to_free->rects[i].bitmap);
1269 av_free(subtitle_to_free->rects[i].rgba_palette);
1271 av_freep(&subtitle_to_free->rects);
1273 subtitle_to_free->num_rects = 0;
1274 subtitle_to_free = NULL;
1281 for(i=0;i<nb_ostreams;i++) {
1283 if (ost->source_index == ist_index) {
1284 AVCodecContext *enc= ost->st->codec;
1285 os = output_files[ost->file_index];
1287 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1289 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1292 if (ost->encoding_needed) {
1296 av_init_packet(&pkt);
1297 pkt.stream_index= ost->index;
1299 switch(ost->st->codec->codec_type) {
1300 case CODEC_TYPE_AUDIO:
1301 fifo_bytes = av_fifo_size(&ost->fifo);
1303 /* encode any samples remaining in fifo */
1304 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1305 int fs_tmp = enc->frame_size;
1306 enc->frame_size = fifo_bytes / (2 * enc->channels);
1307 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1308 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1310 enc->frame_size = fs_tmp;
1313 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1316 pkt.flags |= PKT_FLAG_KEY;
1318 case CODEC_TYPE_VIDEO:
1319 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1321 if(enc->coded_frame && enc->coded_frame->key_frame)
1322 pkt.flags |= PKT_FLAG_KEY;
1323 if (ost->logfile && enc->stats_out) {
1324 fprintf(ost->logfile, "%s", enc->stats_out);
1333 pkt.data= bit_buffer;
1335 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1336 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1337 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1349 static void print_sdp(AVFormatContext **avc, int n)
1353 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1354 printf("SDP:\n%s\n", sdp);
1357 static int stream_index_from_inputs(AVFormatContext **input_files,
1359 AVInputFile *file_table,
1360 AVInputStream **ist_table,
1361 enum CodecType type,
1365 for(z=0; z<nb_input_files; z++) {
1366 AVFormatContext *ic = input_files[z];
1367 for(p=0; p<ic->nb_programs; p++) {
1368 AVProgram *program = ic->programs[p];
1369 if(program->id != programid)
1371 for(q=0; q<program->nb_stream_indexes; q++) {
1372 int sidx = program->stream_index[q];
1373 int ris = file_table[z].ist_index + sidx;
1374 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1384 * The following code is the main loop of the file converter
1386 static int av_encode(AVFormatContext **output_files,
1387 int nb_output_files,
1388 AVFormatContext **input_files,
1390 AVStreamMap *stream_maps, int nb_stream_maps)
1392 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1393 AVFormatContext *is, *os;
1394 AVCodecContext *codec, *icodec;
1395 AVOutputStream *ost, **ost_table = NULL;
1396 AVInputStream *ist, **ist_table = NULL;
1397 AVInputFile *file_table;
1401 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1405 /* input stream init */
1407 for(i=0;i<nb_input_files;i++) {
1408 is = input_files[i];
1409 file_table[i].ist_index = j;
1410 file_table[i].nb_streams = is->nb_streams;
1411 j += is->nb_streams;
1415 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1419 for(i=0;i<nb_istreams;i++) {
1420 ist = av_mallocz(sizeof(AVInputStream));
1426 for(i=0;i<nb_input_files;i++) {
1427 is = input_files[i];
1428 for(k=0;k<is->nb_streams;k++) {
1429 ist = ist_table[j++];
1430 ist->st = is->streams[k];
1431 ist->file_index = i;
1433 ist->discard = 1; /* the stream is discarded by default
1436 if (ist->st->codec->rate_emu) {
1437 ist->start = av_gettime();
1443 /* output stream init */
1445 for(i=0;i<nb_output_files;i++) {
1446 os = output_files[i];
1447 if (!os->nb_streams) {
1448 fprintf(stderr, "Output file does not contain any stream\n");
1451 nb_ostreams += os->nb_streams;
1453 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1454 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1458 /* Sanity check the mapping args -- do the input files & streams exist? */
1459 for(i=0;i<nb_stream_maps;i++) {
1460 int fi = stream_maps[i].file_index;
1461 int si = stream_maps[i].stream_index;
1463 if (fi < 0 || fi > nb_input_files - 1 ||
1464 si < 0 || si > file_table[fi].nb_streams - 1) {
1465 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1468 fi = stream_maps[i].sync_file_index;
1469 si = stream_maps[i].sync_stream_index;
1470 if (fi < 0 || fi > nb_input_files - 1 ||
1471 si < 0 || si > file_table[fi].nb_streams - 1) {
1472 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1477 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1480 for(i=0;i<nb_ostreams;i++) {
1481 ost = av_mallocz(sizeof(AVOutputStream));
1488 for(k=0;k<nb_output_files;k++) {
1489 os = output_files[k];
1490 for(i=0;i<os->nb_streams;i++) {
1492 ost = ost_table[n++];
1493 ost->file_index = k;
1495 ost->st = os->streams[i];
1496 if (nb_stream_maps > 0) {
1497 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1498 stream_maps[n-1].stream_index;
1500 /* Sanity check that the stream types match */
1501 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1502 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1503 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1504 ost->file_index, ost->index);
1511 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1513 ost->source_index = j;
1517 /* get corresponding input stream index : we select the first one with the right type */
1519 for(j=0;j<nb_istreams;j++) {
1522 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1523 ost->source_index = j;
1531 if(! opt_programid) {
1532 /* try again and reuse existing stream */
1533 for(j=0;j<nb_istreams;j++) {
1535 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1536 ost->source_index = j;
1542 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1543 ost->file_index, ost->index);
1548 ist = ist_table[ost->source_index];
1550 ost->sync_ist = (nb_stream_maps > 0) ?
1551 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1552 stream_maps[n-1].sync_stream_index] : ist;
1556 /* for each output stream, we compute the right encoding parameters */
1557 for(i=0;i<nb_ostreams;i++) {
1559 os = output_files[ost->file_index];
1560 ist = ist_table[ost->source_index];
1562 codec = ost->st->codec;
1563 icodec = ist->st->codec;
1565 if (!ost->st->language[0])
1566 av_strlcpy(ost->st->language, ist->st->language,
1567 sizeof(ost->st->language));
1569 if (ost->st->stream_copy) {
1570 /* if stream_copy is selected, no need to decode or encode */
1571 codec->codec_id = icodec->codec_id;
1572 codec->codec_type = icodec->codec_type;
1574 if(!codec->codec_tag){
1575 if( !os->oformat->codec_tag
1576 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1577 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1578 codec->codec_tag = icodec->codec_tag;
1581 codec->bit_rate = icodec->bit_rate;
1582 codec->extradata= icodec->extradata;
1583 codec->extradata_size= icodec->extradata_size;
1584 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1585 codec->time_base = icodec->time_base;
1587 codec->time_base = ist->st->time_base;
1588 switch(codec->codec_type) {
1589 case CODEC_TYPE_AUDIO:
1590 codec->sample_rate = icodec->sample_rate;
1591 codec->channels = icodec->channels;
1592 codec->frame_size = icodec->frame_size;
1593 codec->block_align= icodec->block_align;
1594 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1595 codec->block_align= 0;
1597 case CODEC_TYPE_VIDEO:
1599 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1602 codec->pix_fmt = icodec->pix_fmt;
1603 codec->width = icodec->width;
1604 codec->height = icodec->height;
1605 codec->has_b_frames = icodec->has_b_frames;
1607 case CODEC_TYPE_SUBTITLE:
1613 switch(codec->codec_type) {
1614 case CODEC_TYPE_AUDIO:
1615 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1618 if (codec->channels == icodec->channels &&
1619 codec->sample_rate == icodec->sample_rate) {
1620 ost->audio_resample = 0;
1622 if (codec->channels != icodec->channels &&
1623 (icodec->codec_id == CODEC_ID_AC3 ||
1624 icodec->codec_id == CODEC_ID_DTS)) {
1625 /* Special case for 5:1 AC3 and DTS input */
1626 /* and mono or stereo output */
1627 /* Request specific number of channels */
1628 icodec->channels = codec->channels;
1629 if (codec->sample_rate == icodec->sample_rate)
1630 ost->audio_resample = 0;
1632 ost->audio_resample = 1;
1635 ost->audio_resample = 1;
1638 if(audio_sync_method>1)
1639 ost->audio_resample = 1;
1641 if(ost->audio_resample){
1642 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1643 codec->sample_rate, icodec->sample_rate);
1645 printf("Can't resample. Aborting.\n");
1649 ist->decoding_needed = 1;
1650 ost->encoding_needed = 1;
1652 case CODEC_TYPE_VIDEO:
1653 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1654 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1655 ost->video_resample = ((codec->width != icodec->width -
1656 (frame_leftBand + frame_rightBand) +
1657 (frame_padleft + frame_padright)) ||
1658 (codec->height != icodec->height -
1659 (frame_topBand + frame_bottomBand) +
1660 (frame_padtop + frame_padbottom)) ||
1661 (codec->pix_fmt != icodec->pix_fmt));
1662 if (ost->video_crop) {
1663 ost->topBand = frame_topBand;
1664 ost->leftBand = frame_leftBand;
1666 if (ost->video_pad) {
1667 ost->padtop = frame_padtop;
1668 ost->padleft = frame_padleft;
1669 ost->padbottom = frame_padbottom;
1670 ost->padright = frame_padright;
1671 if (!ost->video_resample) {
1672 avcodec_get_frame_defaults(&ost->pict_tmp);
1673 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1674 codec->width, codec->height ) )
1678 if (ost->video_resample) {
1679 avcodec_get_frame_defaults(&ost->pict_tmp);
1680 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1681 codec->width, codec->height ) ) {
1682 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1685 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1686 ost->img_resample_ctx = sws_getContext(
1687 icodec->width - (frame_leftBand + frame_rightBand),
1688 icodec->height - (frame_topBand + frame_bottomBand),
1690 codec->width - (frame_padleft + frame_padright),
1691 codec->height - (frame_padtop + frame_padbottom),
1693 sws_flags, NULL, NULL, NULL);
1694 if (ost->img_resample_ctx == NULL) {
1695 fprintf(stderr, "Cannot get resampling context\n");
1698 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1700 ost->encoding_needed = 1;
1701 ist->decoding_needed = 1;
1703 case CODEC_TYPE_SUBTITLE:
1704 ost->encoding_needed = 1;
1705 ist->decoding_needed = 1;
1712 if (ost->encoding_needed &&
1713 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1714 char logfilename[1024];
1719 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1721 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1722 if (codec->flags & CODEC_FLAG_PASS1) {
1723 f = fopen(logfilename, "w");
1725 perror(logfilename);
1730 /* read the log file */
1731 f = fopen(logfilename, "r");
1733 perror(logfilename);
1736 fseek(f, 0, SEEK_END);
1738 fseek(f, 0, SEEK_SET);
1739 logbuffer = av_malloc(size + 1);
1741 fprintf(stderr, "Could not allocate log buffer\n");
1744 size = fread(logbuffer, 1, size, f);
1746 logbuffer[size] = '\0';
1747 codec->stats_in = logbuffer;
1751 if(codec->codec_type == CODEC_TYPE_VIDEO){
1752 int size= codec->width * codec->height;
1753 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1758 bit_buffer = av_malloc(bit_buffer_size);
1762 /* dump the file output parameters - cannot be done before in case
1764 for(i=0;i<nb_output_files;i++) {
1765 dump_format(output_files[i], i, output_files[i]->filename, 1);
1768 /* dump the stream mapping */
1770 fprintf(stderr, "Stream mapping:\n");
1771 for(i=0;i<nb_ostreams;i++) {
1773 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1774 ist_table[ost->source_index]->file_index,
1775 ist_table[ost->source_index]->index,
1778 if (ost->sync_ist != ist_table[ost->source_index])
1779 fprintf(stderr, " [sync #%d.%d]",
1780 ost->sync_ist->file_index,
1781 ost->sync_ist->index);
1782 fprintf(stderr, "\n");
1786 /* open each encoder */
1787 for(i=0;i<nb_ostreams;i++) {
1789 if (ost->encoding_needed) {
1791 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1793 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1794 ost->file_index, ost->index);
1797 if (avcodec_open(ost->st->codec, codec) < 0) {
1798 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1799 ost->file_index, ost->index);
1802 extra_size += ost->st->codec->extradata_size;
1806 /* open each decoder */
1807 for(i=0;i<nb_istreams;i++) {
1809 if (ist->decoding_needed) {
1811 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1813 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1814 ist->st->codec->codec_id, ist->file_index, ist->index);
1817 if (avcodec_open(ist->st->codec, codec) < 0) {
1818 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1819 ist->file_index, ist->index);
1822 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1823 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1828 for(i=0;i<nb_istreams;i++) {
1830 is = input_files[ist->file_index];
1833 if( input_files_ts_offset[ist->file_index] != -is->start_time
1834 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1835 ist->next_pts= AV_NOPTS_VALUE;
1839 /* set meta data information from input file if required */
1840 for (i=0;i<nb_meta_data_maps;i++) {
1841 AVFormatContext *out_file;
1842 AVFormatContext *in_file;
1844 int out_file_index = meta_data_maps[i].out_file;
1845 int in_file_index = meta_data_maps[i].in_file;
1846 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1847 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1848 ret = AVERROR(EINVAL);
1851 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1852 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1853 ret = AVERROR(EINVAL);
1857 out_file = output_files[out_file_index];
1858 in_file = input_files[in_file_index];
1860 strcpy(out_file->title, in_file->title);
1861 strcpy(out_file->author, in_file->author);
1862 strcpy(out_file->copyright, in_file->copyright);
1863 strcpy(out_file->comment, in_file->comment);
1864 strcpy(out_file->album, in_file->album);
1865 out_file->year = in_file->year;
1866 out_file->track = in_file->track;
1867 strcpy(out_file->genre, in_file->genre);
1870 /* open files and write file headers */
1871 for(i=0;i<nb_output_files;i++) {
1872 os = output_files[i];
1873 if (av_write_header(os) < 0) {
1874 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1875 ret = AVERROR(EINVAL);
1878 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1883 print_sdp(output_files, nb_output_files);
1886 if ( !using_stdin && verbose >= 0) {
1887 fprintf(stderr, "Press [q] to stop encoding\n");
1888 url_set_interrupt_cb(decode_interrupt_cb);
1893 timer_start = av_gettime();
1895 for(; received_sigterm == 0;) {
1896 int file_index, ist_index;
1904 /* if 'q' pressed, exits */
1908 /* read_key() returns 0 on EOF */
1914 /* select the stream that we must read now by looking at the
1915 smallest output pts */
1917 for(i=0;i<nb_ostreams;i++) {
1920 os = output_files[ost->file_index];
1921 ist = ist_table[ost->source_index];
1922 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1923 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1925 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1926 ipts = (double)ist->pts;
1927 if (!file_table[ist->file_index].eof_reached){
1928 if(ipts < ipts_min) {
1930 if(input_sync ) file_index = ist->file_index;
1932 if(opts < opts_min) {
1934 if(!input_sync) file_index = ist->file_index;
1937 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1942 /* if none, if is finished */
1943 if (file_index < 0) {
1947 /* finish if recording time exhausted */
1948 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1951 /* finish if limit size exhausted */
1952 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1955 /* read a frame from it and output it in the fifo */
1956 is = input_files[file_index];
1957 if (av_read_frame(is, &pkt) < 0) {
1958 file_table[file_index].eof_reached = 1;
1966 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1968 /* the following test is needed in case new streams appear
1969 dynamically in stream : we ignore them */
1970 if (pkt.stream_index >= file_table[file_index].nb_streams)
1971 goto discard_packet;
1972 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1973 ist = ist_table[ist_index];
1975 goto discard_packet;
1977 if (pkt.dts != AV_NOPTS_VALUE)
1978 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1979 if (pkt.pts != AV_NOPTS_VALUE)
1980 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1982 // 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);
1983 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1984 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1985 int64_t delta= pkt_dts - ist->next_pts;
1986 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1987 input_files_ts_offset[ist->file_index]-= delta;
1989 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1990 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1991 if(pkt.pts != AV_NOPTS_VALUE)
1992 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1996 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1997 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2000 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2001 ist->file_index, ist->index);
2003 av_free_packet(&pkt);
2008 av_free_packet(&pkt);
2010 /* dump report by using the output first video and audio streams */
2011 print_report(output_files, ost_table, nb_ostreams, 0);
2014 /* at the end of stream, we must flush the decoder buffers */
2015 for(i=0;i<nb_istreams;i++) {
2017 if (ist->decoding_needed) {
2018 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2024 /* write the trailer if needed and close file */
2025 for(i=0;i<nb_output_files;i++) {
2026 os = output_files[i];
2027 av_write_trailer(os);
2030 /* dump report by using the first video and audio streams */
2031 print_report(output_files, ost_table, nb_ostreams, 1);
2033 /* close each encoder */
2034 for(i=0;i<nb_ostreams;i++) {
2036 if (ost->encoding_needed) {
2037 av_freep(&ost->st->codec->stats_in);
2038 avcodec_close(ost->st->codec);
2042 /* close each decoder */
2043 for(i=0;i<nb_istreams;i++) {
2045 if (ist->decoding_needed) {
2046 avcodec_close(ist->st->codec);
2054 av_freep(&bit_buffer);
2055 av_free(file_table);
2058 for(i=0;i<nb_istreams;i++) {
2065 for(i=0;i<nb_ostreams;i++) {
2069 fclose(ost->logfile);
2070 ost->logfile = NULL;
2072 av_fifo_free(&ost->fifo); /* works even if fifo is not
2073 initialized but set to zero */
2074 av_free(ost->pict_tmp.data[0]);
2075 if (ost->video_resample)
2076 sws_freeContext(ost->img_resample_ctx);
2077 if (ost->audio_resample)
2078 audio_resample_close(ost->resample);
2086 ret = AVERROR(ENOMEM);
2091 int file_read(const char *filename)
2094 unsigned char buffer[1024];
2097 if (url_open(&h, filename, O_RDONLY) < 0) {
2098 printf("could not open '%s'\n", filename);
2102 len = url_read(h, buffer, sizeof(buffer));
2105 for(i=0;i<len;i++) putchar(buffer[i]);
2112 static void opt_format(const char *arg)
2114 /* compatibility stuff for pgmyuv */
2115 if (!strcmp(arg, "pgmyuv")) {
2116 pgmyuv_compatibility_hack=1;
2117 // opt_image_format(arg);
2119 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2122 file_iformat = av_find_input_format(arg);
2123 file_oformat = guess_format(arg, NULL, NULL);
2124 if (!file_iformat && !file_oformat) {
2125 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2130 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2131 extern int ffm_nopts;
2134 static int opt_default(const char *opt, const char *arg){
2136 const AVOption *o= NULL;
2137 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2139 for(type=0; type<CODEC_TYPE_NB; type++){
2140 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2142 o = av_set_string(avctx_opts[type], opt, arg);
2145 o = av_set_string(avformat_opts, opt, arg);
2147 o = av_set_string(sws_opts, opt, arg);
2150 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2151 else if(opt[0] == 'v')
2152 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2153 else if(opt[0] == 's')
2154 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2159 // 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));
2161 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2162 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2163 opt_names[opt_name_count++]= o->name;
2165 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2166 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2167 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2171 if(avctx_opts[0]->debug)
2172 av_log_level = AV_LOG_DEBUG;
2176 static void opt_video_rc_override_string(char *arg)
2178 video_rc_override_string = arg;
2181 static void opt_me_threshold(const char *arg)
2183 me_threshold = atoi(arg);
2186 static void opt_verbose(const char *arg)
2188 verbose = atoi(arg);
2189 av_log_level = atoi(arg);
2192 static void opt_frame_rate(const char *arg)
2194 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2195 fprintf(stderr, "Incorrect frame rate\n");
2200 static void opt_bitrate(const char *opt, const char *arg)
2202 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2204 opt_default(opt, arg);
2206 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2207 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2210 static void opt_frame_crop_top(const char *arg)
2212 frame_topBand = atoi(arg);
2213 if (frame_topBand < 0) {
2214 fprintf(stderr, "Incorrect top crop size\n");
2217 if ((frame_topBand % 2) != 0) {
2218 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2221 if ((frame_topBand) >= frame_height){
2222 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2225 frame_height -= frame_topBand;
2228 static void opt_frame_crop_bottom(const char *arg)
2230 frame_bottomBand = atoi(arg);
2231 if (frame_bottomBand < 0) {
2232 fprintf(stderr, "Incorrect bottom crop size\n");
2235 if ((frame_bottomBand % 2) != 0) {
2236 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2239 if ((frame_bottomBand) >= frame_height){
2240 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2243 frame_height -= frame_bottomBand;
2246 static void opt_frame_crop_left(const char *arg)
2248 frame_leftBand = atoi(arg);
2249 if (frame_leftBand < 0) {
2250 fprintf(stderr, "Incorrect left crop size\n");
2253 if ((frame_leftBand % 2) != 0) {
2254 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2257 if ((frame_leftBand) >= frame_width){
2258 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2261 frame_width -= frame_leftBand;
2264 static void opt_frame_crop_right(const char *arg)
2266 frame_rightBand = atoi(arg);
2267 if (frame_rightBand < 0) {
2268 fprintf(stderr, "Incorrect right crop size\n");
2271 if ((frame_rightBand % 2) != 0) {
2272 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2275 if ((frame_rightBand) >= frame_width){
2276 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2279 frame_width -= frame_rightBand;
2282 static void opt_frame_size(const char *arg)
2284 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2285 fprintf(stderr, "Incorrect frame size\n");
2288 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2289 fprintf(stderr, "Frame size must be a multiple of 2\n");
2295 #define SCALEBITS 10
2296 #define ONE_HALF (1 << (SCALEBITS - 1))
2297 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2299 #define RGB_TO_Y(r, g, b) \
2300 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2301 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2303 #define RGB_TO_U(r1, g1, b1, shift)\
2304 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2305 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2307 #define RGB_TO_V(r1, g1, b1, shift)\
2308 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2309 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2311 static void opt_pad_color(const char *arg) {
2312 /* Input is expected to be six hex digits similar to
2313 how colors are expressed in html tags (but without the #) */
2314 int rgb = strtol(arg, NULL, 16);
2318 g = ((rgb >> 8) & 255);
2321 padcolor[0] = RGB_TO_Y(r,g,b);
2322 padcolor[1] = RGB_TO_U(r,g,b,0);
2323 padcolor[2] = RGB_TO_V(r,g,b,0);
2326 static void opt_frame_pad_top(const char *arg)
2328 frame_padtop = atoi(arg);
2329 if (frame_padtop < 0) {
2330 fprintf(stderr, "Incorrect top pad size\n");
2333 if ((frame_padtop % 2) != 0) {
2334 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2339 static void opt_frame_pad_bottom(const char *arg)
2341 frame_padbottom = atoi(arg);
2342 if (frame_padbottom < 0) {
2343 fprintf(stderr, "Incorrect bottom pad size\n");
2346 if ((frame_padbottom % 2) != 0) {
2347 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2353 static void opt_frame_pad_left(const char *arg)
2355 frame_padleft = atoi(arg);
2356 if (frame_padleft < 0) {
2357 fprintf(stderr, "Incorrect left pad size\n");
2360 if ((frame_padleft % 2) != 0) {
2361 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2367 static void opt_frame_pad_right(const char *arg)
2369 frame_padright = atoi(arg);
2370 if (frame_padright < 0) {
2371 fprintf(stderr, "Incorrect right pad size\n");
2374 if ((frame_padright % 2) != 0) {
2375 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2380 void list_pix_fmts(void)
2383 char pix_fmt_str[128];
2384 for (i=-1; i < PIX_FMT_NB; i++) {
2385 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2386 fprintf(stdout, "%s\n", pix_fmt_str);
2390 static void opt_frame_pix_fmt(const char *arg)
2392 if (strcmp(arg, "list"))
2393 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2400 static void opt_frame_aspect_ratio(const char *arg)
2406 p = strchr(arg, ':');
2408 x = strtol(arg, (char **)&arg, 10);
2410 y = strtol(arg+1, (char **)&arg, 10);
2412 ar = (double)x / (double)y;
2414 ar = strtod(arg, (char **)&arg);
2417 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2420 frame_aspect_ratio = ar;
2423 static void opt_qscale(const char *arg)
2425 video_qscale = atof(arg);
2426 if (video_qscale <= 0 ||
2427 video_qscale > 255) {
2428 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2433 static void opt_qdiff(const char *arg)
2435 video_qdiff = atoi(arg);
2436 if (video_qdiff < 0 ||
2438 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2443 static void opt_strict(const char *arg)
2448 static void opt_top_field_first(const char *arg)
2450 top_field_first= atoi(arg);
2453 static void opt_thread_count(const char *arg)
2455 thread_count= atoi(arg);
2456 #if !defined(HAVE_THREADS)
2458 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2462 static void opt_audio_rate(const char *arg)
2464 audio_sample_rate = atoi(arg);
2467 static void opt_audio_channels(const char *arg)
2469 audio_channels = atoi(arg);
2472 static void opt_video_channel(const char *arg)
2474 video_channel = strtol(arg, NULL, 0);
2477 static void opt_video_standard(const char *arg)
2479 video_standard = av_strdup(arg);
2482 static void opt_codec(int *pstream_copy, char **pcodec_name,
2483 int codec_type, const char *arg)
2485 av_freep(pcodec_name);
2486 if (!strcmp(arg, "copy")) {
2489 *pcodec_name = av_strdup(arg);
2493 static void opt_audio_codec(const char *arg)
2495 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2498 static void opt_audio_tag(const char *arg)
2501 audio_codec_tag= strtol(arg, &tail, 0);
2504 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2507 static void opt_video_tag(const char *arg)
2510 video_codec_tag= strtol(arg, &tail, 0);
2513 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2517 static void add_frame_hooker(const char *arg)
2522 char *args = av_strdup(arg);
2526 argv[0] = strtok(args, " ");
2527 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2530 i = frame_hook_add(argc, argv);
2533 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2539 static void opt_video_codec(const char *arg)
2541 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2544 static void opt_subtitle_codec(const char *arg)
2546 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2549 static void opt_map(const char *arg)
2555 m = &stream_maps[nb_stream_maps++];
2557 m->file_index = strtol(arg, (char **)&p, 0);
2561 m->stream_index = strtol(p, (char **)&p, 0);
2564 m->sync_file_index = strtol(p, (char **)&p, 0);
2567 m->sync_stream_index = strtol(p, (char **)&p, 0);
2569 m->sync_file_index = m->file_index;
2570 m->sync_stream_index = m->stream_index;
2574 static void opt_map_meta_data(const char *arg)
2580 m = &meta_data_maps[nb_meta_data_maps++];
2582 m->out_file = strtol(arg, (char **)&p, 0);
2586 m->in_file = strtol(p, (char **)&p, 0);
2589 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2591 int64_t us = parse_date(timestr, is_duration);
2592 if (us == INT64_MIN) {
2593 fprintf(stderr, "Invalid %s specification: %s\n",
2594 is_duration ? "duration" : "date", timestr);
2600 static void opt_recording_time(const char *arg)
2602 recording_time = parse_time_or_die(arg, 1);
2605 static void opt_start_time(const char *arg)
2607 start_time = parse_time_or_die(arg, 1);
2610 static void opt_rec_timestamp(const char *arg)
2612 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2615 static void opt_input_ts_offset(const char *arg)
2617 input_ts_offset = parse_time_or_die(arg, 1);
2620 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2622 char *codec_string = encoder ? "encoder" : "decoder";
2626 return CODEC_ID_NONE;
2628 avcodec_find_encoder_by_name(name) :
2629 avcodec_find_decoder_by_name(name);
2631 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2634 if(codec->type != type) {
2635 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2641 static void opt_input_file(const char *filename)
2643 AVFormatContext *ic;
2644 AVFormatParameters params, *ap = ¶ms;
2645 int err, i, ret, rfps, rfps_base;
2648 if (!strcmp(filename, "-"))
2651 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2652 !strcmp( filename, "/dev/stdin" );
2654 /* get default parameters from command line */
2655 ic = av_alloc_format_context();
2657 memset(ap, 0, sizeof(*ap));
2658 ap->prealloced_context = 1;
2659 ap->sample_rate = audio_sample_rate;
2660 ap->channels = audio_channels;
2661 ap->time_base.den = frame_rate.num;
2662 ap->time_base.num = frame_rate.den;
2663 ap->width = frame_width + frame_padleft + frame_padright;
2664 ap->height = frame_height + frame_padtop + frame_padbottom;
2665 ap->pix_fmt = frame_pix_fmt;
2666 ap->channel = video_channel;
2667 ap->standard = video_standard;
2668 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2669 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2670 if(pgmyuv_compatibility_hack)
2671 ap->video_codec_id= CODEC_ID_PGMYUV;
2673 for(i=0; i<opt_name_count; i++){
2675 const AVOption *opt;
2676 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2677 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2678 av_set_string(ic, opt_names[i], str);
2680 /* open the input file with generic libav function */
2681 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2683 print_error(filename, err);
2688 for(i=0; i<ic->nb_programs; i++)
2689 if(ic->programs[i]->id != opt_programid)
2690 ic->programs[i]->discard = AVDISCARD_ALL;
2693 ic->loop_input = loop_input;
2695 /* If not enough info to get the stream parameters, we decode the
2696 first frames to get it. (used in mpeg case for example) */
2697 ret = av_find_stream_info(ic);
2698 if (ret < 0 && verbose >= 0) {
2699 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2703 timestamp = start_time;
2704 /* add the stream start time */
2705 if (ic->start_time != AV_NOPTS_VALUE)
2706 timestamp += ic->start_time;
2708 /* if seeking requested, we execute it */
2709 if (start_time != 0) {
2710 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2712 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2713 filename, (double)timestamp / AV_TIME_BASE);
2715 /* reset seek info */
2719 /* update the current parameters so that they match the one of the input stream */
2720 for(i=0;i<ic->nb_streams;i++) {
2722 AVCodecContext *enc = ic->streams[i]->codec;
2724 avcodec_thread_init(enc, thread_count);
2725 enc->thread_count= thread_count;
2726 switch(enc->codec_type) {
2727 case CODEC_TYPE_AUDIO:
2728 for(j=0; j<opt_name_count; j++){
2730 const AVOption *opt;
2731 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2732 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2733 av_set_string(enc, opt_names[j], str);
2735 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2736 audio_channels = enc->channels;
2737 audio_sample_rate = enc->sample_rate;
2739 ic->streams[i]->discard= AVDISCARD_ALL;
2741 case CODEC_TYPE_VIDEO:
2742 for(j=0; j<opt_name_count; j++){
2744 const AVOption *opt;
2745 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2746 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2747 av_set_string(enc, opt_names[j], str);
2749 frame_height = enc->height;
2750 frame_width = enc->width;
2751 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2752 frame_pix_fmt = enc->pix_fmt;
2753 rfps = ic->streams[i]->r_frame_rate.num;
2754 rfps_base = ic->streams[i]->r_frame_rate.den;
2755 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2757 enc->debug |= FF_DEBUG_MV;
2759 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2762 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2763 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2765 (float)rfps / rfps_base, rfps, rfps_base);
2767 /* update the current frame rate to match the stream frame rate */
2768 frame_rate.num = rfps;
2769 frame_rate.den = rfps_base;
2771 enc->rate_emu = rate_emu;
2773 ic->streams[i]->discard= AVDISCARD_ALL;
2774 else if(video_discard)
2775 ic->streams[i]->discard= video_discard;
2777 case CODEC_TYPE_DATA:
2779 case CODEC_TYPE_SUBTITLE:
2780 if(subtitle_disable)
2781 ic->streams[i]->discard = AVDISCARD_ALL;
2783 case CODEC_TYPE_UNKNOWN:
2790 input_files[nb_input_files] = ic;
2791 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2792 /* dump the file content */
2794 dump_format(ic, nb_input_files, filename, 0);
2797 file_iformat = NULL;
2798 file_oformat = NULL;
2805 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2806 int *has_subtitle_ptr)
2808 int has_video, has_audio, has_subtitle, i, j;
2809 AVFormatContext *ic;
2814 for(j=0;j<nb_input_files;j++) {
2815 ic = input_files[j];
2816 for(i=0;i<ic->nb_streams;i++) {
2817 AVCodecContext *enc = ic->streams[i]->codec;
2818 switch(enc->codec_type) {
2819 case CODEC_TYPE_AUDIO:
2822 case CODEC_TYPE_VIDEO:
2825 case CODEC_TYPE_SUBTITLE:
2828 case CODEC_TYPE_DATA:
2829 case CODEC_TYPE_UNKNOWN:
2836 *has_video_ptr = has_video;
2837 *has_audio_ptr = has_audio;
2838 *has_subtitle_ptr = has_subtitle;
2841 static void new_video_stream(AVFormatContext *oc)
2844 AVCodecContext *video_enc;
2847 st = av_new_stream(oc, oc->nb_streams);
2849 fprintf(stderr, "Could not alloc stream\n");
2852 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2853 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2854 video_bitstream_filters= NULL;
2857 avcodec_thread_init(st->codec, thread_count);
2859 video_enc = st->codec;
2862 video_enc->codec_tag= video_codec_tag;
2864 if( (video_global_header&1)
2865 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2866 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2867 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2869 if(video_global_header&2){
2870 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2871 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2874 if (video_stream_copy) {
2875 st->stream_copy = 1;
2876 video_enc->codec_type = CODEC_TYPE_VIDEO;
2882 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2883 if (video_codec_name)
2884 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2886 video_enc->codec_id = codec_id;
2887 codec = avcodec_find_encoder(codec_id);
2889 for(i=0; i<opt_name_count; i++){
2891 const AVOption *opt;
2892 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2893 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2894 av_set_string(video_enc, opt_names[i], str);
2897 video_enc->time_base.den = frame_rate.num;
2898 video_enc->time_base.num = frame_rate.den;
2899 if(codec && codec->supported_framerates){
2900 const AVRational *p= codec->supported_framerates;
2901 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2902 const AVRational *best=NULL;
2903 AVRational best_error= (AVRational){INT_MAX, 1};
2904 for(; p->den!=0; p++){
2905 AVRational error= av_sub_q(req, *p);
2906 if(error.num <0) error.num *= -1;
2907 if(av_cmp_q(error, best_error) < 0){
2912 video_enc->time_base.den= best->num;
2913 video_enc->time_base.num= best->den;
2916 video_enc->width = frame_width + frame_padright + frame_padleft;
2917 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2918 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2919 video_enc->pix_fmt = frame_pix_fmt;
2921 if(codec && codec->pix_fmts){
2922 const enum PixelFormat *p= codec->pix_fmts;
2924 if(*p == video_enc->pix_fmt)
2928 video_enc->pix_fmt = codec->pix_fmts[0];
2932 video_enc->gop_size = 0;
2933 if (video_qscale || same_quality) {
2934 video_enc->flags |= CODEC_FLAG_QSCALE;
2935 video_enc->global_quality=
2936 st->quality = FF_QP2LAMBDA * video_qscale;
2940 video_enc->intra_matrix = intra_matrix;
2942 video_enc->inter_matrix = inter_matrix;
2944 video_enc->max_qdiff = video_qdiff;
2945 video_enc->thread_count = thread_count;
2946 p= video_rc_override_string;
2949 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2951 fprintf(stderr, "error parsing rc_override\n");
2954 video_enc->rc_override=
2955 av_realloc(video_enc->rc_override,
2956 sizeof(RcOverride)*(i+1));
2957 video_enc->rc_override[i].start_frame= start;
2958 video_enc->rc_override[i].end_frame = end;
2960 video_enc->rc_override[i].qscale= q;
2961 video_enc->rc_override[i].quality_factor= 1.0;
2964 video_enc->rc_override[i].qscale= 0;
2965 video_enc->rc_override[i].quality_factor= -q/100.0;
2970 video_enc->rc_override_count=i;
2971 if (!video_enc->rc_initial_buffer_occupancy)
2972 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2973 video_enc->me_threshold= me_threshold;
2974 video_enc->intra_dc_precision= intra_dc_precision - 8;
2975 video_enc->strict_std_compliance = strict;
2978 video_enc->flags|= CODEC_FLAG_PSNR;
2983 video_enc->flags |= CODEC_FLAG_PASS1;
2985 video_enc->flags |= CODEC_FLAG_PASS2;
2990 /* reset some key parameters */
2992 av_freep(&video_codec_name);
2993 video_stream_copy = 0;
2996 static void new_audio_stream(AVFormatContext *oc)
2999 AVCodecContext *audio_enc;
3002 st = av_new_stream(oc, oc->nb_streams);
3004 fprintf(stderr, "Could not alloc stream\n");
3007 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3009 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3010 audio_bitstream_filters= NULL;
3013 avcodec_thread_init(st->codec, thread_count);
3015 audio_enc = st->codec;
3016 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3017 audio_enc->strict_std_compliance = strict;
3020 audio_enc->codec_tag= audio_codec_tag;
3022 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3023 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3024 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3026 if (audio_stream_copy) {
3027 st->stream_copy = 1;
3028 audio_enc->channels = audio_channels;
3030 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3032 for(i=0; i<opt_name_count; i++){
3034 const AVOption *opt;
3035 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3036 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3037 av_set_string(audio_enc, opt_names[i], str);
3040 if (audio_codec_name)
3041 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3042 audio_enc->codec_id = codec_id;
3044 if (audio_qscale > QSCALE_NONE) {
3045 audio_enc->flags |= CODEC_FLAG_QSCALE;
3046 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3048 audio_enc->thread_count = thread_count;
3049 audio_enc->channels = audio_channels;
3051 audio_enc->sample_rate = audio_sample_rate;
3052 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3053 if (audio_language) {
3054 av_strlcpy(st->language, audio_language, sizeof(st->language));
3055 av_free(audio_language);
3056 audio_language = NULL;
3059 /* reset some key parameters */
3061 av_freep(&audio_codec_name);
3062 audio_stream_copy = 0;
3065 static void new_subtitle_stream(AVFormatContext *oc)
3068 AVCodecContext *subtitle_enc;
3071 st = av_new_stream(oc, oc->nb_streams);
3073 fprintf(stderr, "Could not alloc stream\n");
3076 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3078 subtitle_enc = st->codec;
3079 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3080 if (subtitle_stream_copy) {
3081 st->stream_copy = 1;
3083 for(i=0; i<opt_name_count; i++){
3085 const AVOption *opt;
3086 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3087 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3088 av_set_string(subtitle_enc, opt_names[i], str);
3090 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3093 if (subtitle_language) {
3094 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3095 av_free(subtitle_language);
3096 subtitle_language = NULL;
3099 subtitle_disable = 0;
3100 av_freep(&subtitle_codec_name);
3101 subtitle_stream_copy = 0;
3104 static void opt_new_audio_stream(void)
3106 AVFormatContext *oc;
3107 if (nb_output_files <= 0) {
3108 fprintf(stderr, "At least one output file must be specified\n");
3111 oc = output_files[nb_output_files - 1];
3112 new_audio_stream(oc);
3115 static void opt_new_video_stream(void)
3117 AVFormatContext *oc;
3118 if (nb_output_files <= 0) {
3119 fprintf(stderr, "At least one output file must be specified\n");
3122 oc = output_files[nb_output_files - 1];
3123 new_video_stream(oc);
3126 static void opt_new_subtitle_stream(void)
3128 AVFormatContext *oc;
3129 if (nb_output_files <= 0) {
3130 fprintf(stderr, "At least one output file must be specified\n");
3133 oc = output_files[nb_output_files - 1];
3134 new_subtitle_stream(oc);
3137 static void opt_output_file(const char *filename)
3139 AVFormatContext *oc;
3140 int use_video, use_audio, use_subtitle;
3141 int input_has_video, input_has_audio, input_has_subtitle, i;
3142 AVFormatParameters params, *ap = ¶ms;
3144 if (!strcmp(filename, "-"))
3147 oc = av_alloc_format_context();
3149 if (!file_oformat) {
3150 file_oformat = guess_format(NULL, filename, NULL);
3151 if (!file_oformat) {
3152 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3158 oc->oformat = file_oformat;
3159 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3161 if (!strcmp(file_oformat->name, "ffm") &&
3162 av_strstart(filename, "http:", NULL)) {
3163 /* special case for files sent to ffserver: we get the stream
3164 parameters from ffserver */
3165 if (read_ffserver_streams(oc, filename) < 0) {
3166 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3170 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3171 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3172 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3174 /* disable if no corresponding type found and at least one
3176 if (nb_input_files > 0) {
3177 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3178 &input_has_subtitle);
3179 if (!input_has_video)
3181 if (!input_has_audio)
3183 if (!input_has_subtitle)
3187 /* manual disable */
3188 if (audio_disable) {
3191 if (video_disable) {
3194 if (subtitle_disable) {
3199 new_video_stream(oc);
3203 new_audio_stream(oc);
3207 new_subtitle_stream(oc);
3210 oc->timestamp = rec_timestamp;
3213 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3215 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3217 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3219 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3221 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3224 output_files[nb_output_files++] = oc;
3226 /* check filename in case of an image number is expected */
3227 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3228 if (!av_filename_number_test(oc->filename)) {
3229 print_error(oc->filename, AVERROR_NUMEXPECTED);
3234 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3235 /* test if it already exists to avoid loosing precious files */
3236 if (!file_overwrite &&
3237 (strchr(filename, ':') == NULL ||
3238 av_strstart(filename, "file:", NULL))) {
3239 if (url_exist(filename)) {
3242 if ( !using_stdin ) {
3243 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3246 if (toupper(c) != 'Y') {
3247 fprintf(stderr, "Not overwriting - exiting\n");
3252 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3259 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3260 fprintf(stderr, "Could not open '%s'\n", filename);
3265 memset(ap, 0, sizeof(*ap));
3266 if (av_set_parameters(oc, ap) < 0) {
3267 fprintf(stderr, "%s: Invalid encoding parameters\n",
3272 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3273 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3274 oc->loop_output = loop_output;
3276 for(i=0; i<opt_name_count; i++){
3278 const AVOption *opt;
3279 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3280 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3281 av_set_string(oc, opt_names[i], str);
3284 /* reset some options */
3285 file_oformat = NULL;
3286 file_iformat = NULL;
3289 /* same option as mencoder */
3290 static void opt_pass(const char *pass_str)
3293 pass = atoi(pass_str);
3294 if (pass != 1 && pass != 2) {
3295 fprintf(stderr, "pass number can be only 1 or 2\n");
3301 static int64_t getutime(void)
3303 #ifdef HAVE_GETRUSAGE
3304 struct rusage rusage;
3306 getrusage(RUSAGE_SELF, &rusage);
3307 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3308 #elif defined(HAVE_GETPROCESSTIMES)
3310 FILETIME c, e, k, u;
3311 proc = GetCurrentProcess();
3312 GetProcessTimes(proc, &c, &e, &k, &u);
3313 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3315 return av_gettime();
3319 static void opt_show_formats(void)
3321 AVInputFormat *ifmt;
3322 AVOutputFormat *ofmt;
3325 const char *last_name;
3327 printf("File formats:\n");
3332 const char *name=NULL;
3333 const char *long_name=NULL;
3335 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3336 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3337 strcmp(ofmt->name, last_name)>0){
3339 long_name= ofmt->long_name;
3343 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3344 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3345 strcmp(ifmt->name, last_name)>0){
3347 long_name= ifmt->long_name;
3350 if(name && strcmp(ifmt->name, name)==0)
3362 long_name ? long_name:" ");
3366 printf("Codecs:\n");
3372 const char *type_str;
3375 for(p = first_avcodec; p != NULL; p = p->next) {
3376 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3377 strcmp(p->name, last_name)>0){
3379 decode= encode= cap=0;
3381 if(p2 && strcmp(p->name, p2->name)==0){
3382 if(p->decode) decode=1;
3383 if(p->encode) encode=1;
3384 cap |= p->capabilities;
3389 last_name= p2->name;
3392 case CODEC_TYPE_VIDEO:
3395 case CODEC_TYPE_AUDIO:
3398 case CODEC_TYPE_SUBTITLE:
3407 decode ? "D": (/*p2->decoder ? "d":*/" "),
3410 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3411 cap & CODEC_CAP_DR1 ? "D":" ",
3412 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3414 /* if(p2->decoder && decode==0)
3415 printf(" use %s for decoding", p2->decoder->name);*/
3420 printf("Supported file protocols:\n");
3421 for(up = first_protocol; up != NULL; up = up->next)
3422 printf(" %s:", up->name);
3425 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3428 "Note, the names of encoders and decoders do not always match, so there are\n"
3429 "several cases where the above table shows encoder only or decoder only entries\n"
3430 "even though both encoding and decoding are supported. For example, the h263\n"
3431 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3436 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3439 const char *p = str;
3446 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3453 static void opt_inter_matrix(const char *arg)
3455 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3456 parse_matrix_coeffs(inter_matrix, arg);
3459 static void opt_intra_matrix(const char *arg)
3461 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3462 parse_matrix_coeffs(intra_matrix, arg);
3466 * Trivial log callback.
3467 * Only suitable for show_help and similar since it lacks prefix handling.
3469 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3471 vfprintf(stdout, fmt, vl);
3474 static void show_help(void)
3476 av_log_set_callback(log_callback_help);
3477 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3478 "Hyper fast Audio and Video encoder\n");
3480 show_help_options(options, "Main options:\n",
3481 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3482 show_help_options(options, "\nVideo options:\n",
3483 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3485 show_help_options(options, "\nAdvanced Video options:\n",
3486 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3487 OPT_VIDEO | OPT_EXPERT);
3488 show_help_options(options, "\nAudio options:\n",
3489 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3491 show_help_options(options, "\nAdvanced Audio options:\n",
3492 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3493 OPT_AUDIO | OPT_EXPERT);
3494 show_help_options(options, "\nSubtitle options:\n",
3495 OPT_SUBTITLE | OPT_GRAB,
3497 show_help_options(options, "\nAudio/Video grab options:\n",
3500 show_help_options(options, "\nAdvanced options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 av_opt_show(avctx_opts[0], NULL);
3504 av_opt_show(avformat_opts, NULL);
3505 av_opt_show(sws_opts, NULL);
3508 static void opt_show_help(void)
3514 static void opt_target(const char *arg)
3517 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3519 if(!strncmp(arg, "pal-", 4)) {
3522 } else if(!strncmp(arg, "ntsc-", 5)) {
3525 } else if(!strncmp(arg, "film-", 5)) {
3530 /* Calculate FR via float to avoid int overflow */
3531 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3534 } else if((fr == 29970) || (fr == 23976)) {
3537 /* Try to determine PAL/NTSC by peeking in the input files */
3538 if(nb_input_files) {
3540 for(j = 0; j < nb_input_files; j++) {
3541 for(i = 0; i < input_files[j]->nb_streams; i++) {
3542 AVCodecContext *c = input_files[j]->streams[i]->codec;
3543 if(c->codec_type != CODEC_TYPE_VIDEO)
3545 fr = c->time_base.den * 1000 / c->time_base.num;
3549 } else if((fr == 29970) || (fr == 23976)) {
3559 if(verbose && norm >= 0)
3560 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3564 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3565 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3566 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3570 if(!strcmp(arg, "vcd")) {
3572 opt_video_codec("mpeg1video");
3573 opt_audio_codec("mp2");
3576 opt_frame_size(norm ? "352x240" : "352x288");
3577 opt_frame_rate(frame_rates[norm]);
3578 opt_default("gop", norm ? "18" : "15");
3580 opt_default("b", "1150000");
3581 opt_default("maxrate", "1150000");
3582 opt_default("minrate", "1150000");
3583 opt_default("bufsize", "327680"); // 40*1024*8;
3585 opt_default("ab", "224000");
3586 audio_sample_rate = 44100;
3589 opt_default("packetsize", "2324");
3590 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3592 /* We have to offset the PTS, so that it is consistent with the SCR.
3593 SCR starts at 36000, but the first two packs contain only padding
3594 and the first pack from the other stream, respectively, may also have
3595 been written before.
3596 So the real data starts at SCR 36000+3*1200. */
3597 mux_preload= (36000+3*1200) / 90000.0; //0.44
3598 } else if(!strcmp(arg, "svcd")) {
3600 opt_video_codec("mpeg2video");
3601 opt_audio_codec("mp2");
3604 opt_frame_size(norm ? "480x480" : "480x576");
3605 opt_frame_rate(frame_rates[norm]);
3606 opt_default("gop", norm ? "18" : "15");
3608 opt_default("b", "2040000");
3609 opt_default("maxrate", "2516000");
3610 opt_default("minrate", "0"); //1145000;
3611 opt_default("bufsize", "1835008"); //224*1024*8;
3612 opt_default("flags", "+SCAN_OFFSET");
3615 opt_default("ab", "224000");
3616 audio_sample_rate = 44100;
3618 opt_default("packetsize", "2324");
3620 } else if(!strcmp(arg, "dvd")) {
3622 opt_video_codec("mpeg2video");
3623 opt_audio_codec("ac3");
3626 opt_frame_size(norm ? "720x480" : "720x576");
3627 opt_frame_rate(frame_rates[norm]);
3628 opt_default("gop", norm ? "18" : "15");
3630 opt_default("b", "6000000");
3631 opt_default("maxrate", "9000000");
3632 opt_default("minrate", "0"); //1500000;
3633 opt_default("bufsize", "1835008"); //224*1024*8;
3635 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3636 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3638 opt_default("ab", "448000");
3639 audio_sample_rate = 48000;
3641 } else if(!strncmp(arg, "dv", 2)) {
3645 opt_frame_size(norm ? "720x480" : "720x576");
3646 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3647 (norm ? "yuv411p" : "yuv420p"));
3648 opt_frame_rate(frame_rates[norm]);
3650 audio_sample_rate = 48000;
3654 fprintf(stderr, "Unknown target: %s\n", arg);
3659 static void opt_vstats_file (const char *arg)
3661 av_free (vstats_filename);
3662 vstats_filename=av_strdup (arg);
3665 static void opt_vstats (void)
3668 time_t today2 = time(NULL);
3669 struct tm *today = localtime(&today2);
3671 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3673 opt_vstats_file(filename);
3676 static void opt_bsf(const char *opt, const char *arg)
3678 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3679 AVBitStreamFilterContext **bsfp;
3682 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3686 bsfp= *opt == 'v' ? &video_bitstream_filters : &audio_bitstream_filters;
3688 bsfp= &(*bsfp)->next;
3693 static void opt_show_license(void)
3699 static void opt_show_version(void)
3701 show_version(program_name);
3705 const OptionDef options[] = {
3707 { "L", 0, {(void*)opt_show_license}, "show license" },
3708 { "h", 0, {(void*)opt_show_help}, "show help" },
3709 { "version", 0, {(void*)opt_show_version}, "show version" },
3710 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3711 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3712 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3713 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3714 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3715 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3716 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3717 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3718 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3719 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3720 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3721 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3722 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3723 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3724 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3725 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3726 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3727 "add timings for benchmarking" },
3728 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3729 "dump each input packet" },
3730 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3731 "when dumping packets, also dump the payload" },
3732 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3733 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3734 { "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)", "" },
3735 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3736 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3737 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3738 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3739 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3740 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3741 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3742 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3743 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3744 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3745 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3748 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3749 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3750 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3751 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3752 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3753 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3754 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3755 { "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" },
3756 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3757 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3758 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3759 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3760 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3761 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3762 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3763 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3764 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3765 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3766 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3767 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3768 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3769 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3770 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3771 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3772 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3773 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3774 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3775 "use same video quality as source (implies VBR)" },
3776 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3777 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3778 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3779 "deinterlace pictures" },
3780 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3781 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3782 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3784 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3786 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3787 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3788 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3789 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3790 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3791 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3792 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3795 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3796 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3797 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3798 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3799 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3800 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3801 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3802 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3803 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3804 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3805 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3807 /* subtitle options */
3808 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3809 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3810 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3811 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3814 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3815 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3816 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3819 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3820 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3822 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3823 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3825 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3829 static int av_exit()
3834 for(i=0;i<nb_output_files;i++) {
3835 /* maybe av_close_output_file ??? */
3836 AVFormatContext *s = output_files[i];
3838 if (!(s->oformat->flags & AVFMT_NOFILE))
3840 for(j=0;j<s->nb_streams;j++) {
3841 av_free(s->streams[j]->codec);
3842 av_free(s->streams[j]);
3846 for(i=0;i<nb_input_files;i++)
3847 av_close_input_file(input_files[i]);
3851 av_free(intra_matrix);
3852 av_free(inter_matrix);
3855 fclose(vstats_file);
3856 av_free(vstats_filename);
3860 av_free(video_codec_name);
3861 av_free(audio_codec_name);
3862 av_free(subtitle_codec_name);
3864 av_free(video_standard);
3866 #ifdef CONFIG_POWERPC_PERF
3867 extern void powerpc_display_perf_report(void);
3868 powerpc_display_perf_report();
3869 #endif /* CONFIG_POWERPC_PERF */
3871 if (received_sigterm) {
3873 "Received signal %d: terminating.\n",
3874 (int) received_sigterm);
3878 exit(0); /* not all OS-es handle main() return value */
3882 int main(int argc, char **argv)
3887 avcodec_register_all();
3888 avdevice_register_all();
3891 for(i=0; i<CODEC_TYPE_NB; i++){
3892 avctx_opts[i]= avcodec_alloc_context2(i);
3894 avformat_opts = av_alloc_format_context();
3895 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3897 show_banner(program_name, program_birth_year);
3904 parse_options(argc, argv, options, opt_output_file);
3906 /* file converter / grab */
3907 if (nb_output_files <= 0) {
3908 fprintf(stderr, "Must supply at least one output file\n");
3912 if (nb_input_files == 0) {
3913 fprintf(stderr, "Must supply at least one input file\n");
3918 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3919 stream_maps, nb_stream_maps);
3920 ti = getutime() - ti;
3922 printf("bench: utime=%0.3fs\n", ti / 1000000.0);