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
32 #include "framehook.h"
37 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
41 #if defined(HAVE_TERMIOS_H)
44 #include <sys/ioctl.h>
47 #include <sys/resource.h>
48 #elif defined(HAVE_CONIO_H)
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
60 #if !defined(INFINITY) && defined(HUGE_VAL)
61 #define INFINITY HUGE_VAL
66 /* select an input stream for an output stream */
67 typedef struct AVStreamMap {
71 int sync_stream_index;
74 /** select an input file for an output file */
75 typedef struct AVMetaDataMap {
80 extern const OptionDef options[];
82 static void show_help(void);
83 static void show_license(void);
84 static int opt_default(const char *opt, const char *arg);
88 static AVFormatContext *input_files[MAX_FILES];
89 static int64_t input_files_ts_offset[MAX_FILES];
90 static int nb_input_files = 0;
92 static AVFormatContext *output_files[MAX_FILES];
93 static int nb_output_files = 0;
95 static AVStreamMap stream_maps[MAX_FILES];
96 static int nb_stream_maps;
98 static AVMetaDataMap meta_data_maps[MAX_FILES];
99 static int nb_meta_data_maps;
101 static AVInputFormat *file_iformat;
102 static AVOutputFormat *file_oformat;
103 static int frame_width = 0;
104 static int frame_height = 0;
105 static float frame_aspect_ratio = 0;
106 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107 static int frame_padtop = 0;
108 static int frame_padbottom = 0;
109 static int frame_padleft = 0;
110 static int frame_padright = 0;
111 static int padcolor[3] = {16,128,128}; /* default to black */
112 static int frame_topBand = 0;
113 static int frame_bottomBand = 0;
114 static int frame_leftBand = 0;
115 static int frame_rightBand = 0;
116 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117 static AVRational frame_rate = (AVRational) {25,1};
118 static float video_qscale = 0;
119 static int video_qdiff = 3;
120 static uint16_t *intra_matrix = NULL;
121 static uint16_t *inter_matrix = NULL;
122 #if 0 //experimental, (can be removed)
123 static float video_rc_qsquish=1.0;
124 static float video_rc_qmod_amp=0;
125 static int video_rc_qmod_freq=0;
127 static char *video_rc_override_string=NULL;
128 static char *video_rc_eq="tex^qComp";
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static int video_codec_id = CODEC_ID_NONE;
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 int audio_codec_id = CODEC_ID_NONE;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static int subtitle_codec_id = CODEC_ID_NONE;
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 int copy_ts= 0;
182 static int opt_shortest = 0; //
183 static int video_global_header = 0;
184 static char *vstats_filename;
185 static FILE *fvstats;
187 static int rate_emu = 0;
189 static int video_channel = 0;
190 static char *video_standard;
192 static int audio_volume = 256;
194 static int using_stdin = 0;
195 static int using_vhook = 0;
196 static int verbose = 1;
197 static int thread_count= 1;
198 static int q_pressed = 0;
199 static int64_t video_size = 0;
200 static int64_t audio_size = 0;
201 static int64_t extra_size = 0;
202 static int nb_frames_dup = 0;
203 static int nb_frames_drop = 0;
204 static int input_sync;
205 static uint64_t limit_filesize = 0; //
207 static int pgmyuv_compatibility_hack=0;
208 static int dts_delta_threshold = 10;
210 static int sws_flags = SWS_BICUBIC;
212 static const char **opt_names;
213 static int opt_name_count;
214 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
215 static AVFormatContext *avformat_opts;
216 static struct SwsContext *sws_opts;
217 static int64_t timer_start;
219 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225 struct AVInputStream;
227 typedef struct AVOutputStream {
228 int file_index; /* file index */
229 int index; /* stream index in the output file */
230 int source_index; /* AVInputStream index */
231 AVStream *st; /* stream in the output file */
232 int encoding_needed; /* true if encoding needed for this stream */
234 /* input pts and corresponding output pts
236 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
237 struct AVInputStream *sync_ist; /* input stream to sync against */
238 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
246 int topBand; /* cropping area sizes */
250 int padtop; /* padding area sizes */
257 ReSampleContext *resample; /* for audio resampling */
258 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
262 typedef struct AVInputStream {
266 int discard; /* true if stream data should be discarded */
267 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
268 int64_t sample_index; /* current sample */
270 int64_t start; /* time when read started */
271 unsigned long frame; /* current frame */
272 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 int64_t pts; /* current pts */
275 int is_start; /* is 1 at the start and after a discontinuity */
278 typedef struct AVInputFile {
279 int eof_reached; /* true if eof reached */
280 int ist_index; /* index of first stream in ist_table */
281 int buffer_size; /* current total buffer size */
282 int nb_streams; /* nb streams we are aware of */
285 #ifdef HAVE_TERMIOS_H
287 /* init terminal so that we can grab keys */
288 static struct termios oldtty;
291 static void term_exit(void)
293 #ifdef HAVE_TERMIOS_H
294 tcsetattr (0, TCSANOW, &oldtty);
298 static volatile sig_atomic_t received_sigterm = 0;
301 sigterm_handler(int sig)
303 received_sigterm = sig;
307 static void term_init(void)
309 #ifdef HAVE_TERMIOS_H
315 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
316 |INLCR|IGNCR|ICRNL|IXON);
317 tty.c_oflag |= OPOST;
318 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
319 tty.c_cflag &= ~(CSIZE|PARENB);
324 tcsetattr (0, TCSANOW, &tty);
325 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 register a function to be called at normal program termination
334 #ifdef CONFIG_BEOS_NETSERVER
335 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
339 /* read a key without blocking */
340 static int read_key(void)
342 #if defined(HAVE_TERMIOS_H)
345 #ifndef CONFIG_BEOS_NETSERVER
353 n = select(1, &rfds, NULL, NULL, &tv);
362 #elif defined(HAVE_CONIO_H)
369 static int decode_interrupt_cb(void)
371 return q_pressed || (q_pressed = read_key() == 'q');
374 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
379 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
382 /* copy stream format */
383 s->nb_streams = ic->nb_streams;
384 for(i=0;i<ic->nb_streams;i++) {
387 // FIXME: a more elegant solution is needed
388 st = av_mallocz(sizeof(AVStream));
389 memcpy(st, ic->streams[i], sizeof(AVStream));
390 st->codec = avcodec_alloc_context();
391 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
395 av_close_input_file(ic);
400 get_sync_ipts(const AVOutputStream *ost)
402 const AVInputStream *ist = ost->sync_ist;
403 return (double)(ist->pts - start_time)/AV_TIME_BASE;
406 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
408 AVPacket new_pkt= *pkt;
409 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
410 &new_pkt.data, &new_pkt.size,
411 pkt->data, pkt->size,
412 pkt->flags & PKT_FLAG_KEY);
415 new_pkt.destruct= av_destruct_packet;
422 av_interleaved_write_frame(s, pkt);
425 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
427 static void do_audio_out(AVFormatContext *s,
430 unsigned char *buf, int size)
433 static uint8_t *audio_buf = NULL;
434 static uint8_t *audio_out = NULL;
435 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
437 int size_out, frame_bytes, ret;
438 AVCodecContext *enc= ost->st->codec;
440 /* SC: dynamic allocation of buffers */
442 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
444 audio_out = av_malloc(audio_out_size);
445 if (!audio_buf || !audio_out)
446 return; /* Should signal an error ! */
448 if(audio_sync_method){
449 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
450 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
451 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
452 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
454 //FIXME resample delay
455 if(fabs(delta) > 50){
458 byte_delta= FFMAX(byte_delta, -size);
462 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
467 static uint8_t *input_tmp= NULL;
468 input_tmp= av_realloc(input_tmp, byte_delta + size);
470 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
473 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
475 memset(input_tmp, 0, byte_delta);
476 memcpy(input_tmp + byte_delta, buf, size);
480 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
482 }else if(audio_sync_method>1){
483 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
484 assert(ost->audio_resample);
486 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
487 // 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));
488 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
492 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
493 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
495 if (ost->audio_resample) {
497 size_out = audio_resample(ost->resample,
498 (short *)buftmp, (short *)buf,
499 size / (ist->st->codec->channels * 2));
500 size_out = size_out * enc->channels * 2;
506 /* now encode as many frames as possible */
507 if (enc->frame_size > 1) {
508 /* output resampled raw samples */
509 av_fifo_write(&ost->fifo, buftmp, size_out);
511 frame_bytes = enc->frame_size * 2 * enc->channels;
513 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
515 av_init_packet(&pkt);
517 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
520 pkt.stream_index= ost->index;
523 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
524 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
525 pkt.flags |= PKT_FLAG_KEY;
526 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
528 ost->sync_opts += enc->frame_size;
532 av_init_packet(&pkt);
534 ost->sync_opts += size_out / (2 * enc->channels);
536 /* output a pcm frame */
537 /* XXX: change encoding codec API to avoid this ? */
538 switch(enc->codec->id) {
539 case CODEC_ID_PCM_S32LE:
540 case CODEC_ID_PCM_S32BE:
541 case CODEC_ID_PCM_U32LE:
542 case CODEC_ID_PCM_U32BE:
543 size_out = size_out << 1;
545 case CODEC_ID_PCM_S24LE:
546 case CODEC_ID_PCM_S24BE:
547 case CODEC_ID_PCM_U24LE:
548 case CODEC_ID_PCM_U24BE:
549 case CODEC_ID_PCM_S24DAUD:
550 size_out = size_out / 2 * 3;
552 case CODEC_ID_PCM_S16LE:
553 case CODEC_ID_PCM_S16BE:
554 case CODEC_ID_PCM_U16LE:
555 case CODEC_ID_PCM_U16BE:
558 size_out = size_out >> 1;
561 ret = avcodec_encode_audio(enc, audio_out, size_out,
564 pkt.stream_index= ost->index;
567 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
568 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
569 pkt.flags |= PKT_FLAG_KEY;
570 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
574 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
578 AVPicture picture_tmp;
581 dec = ist->st->codec;
583 /* deinterlace : must be done before any resize */
584 if (do_deinterlace || using_vhook) {
587 /* create temporary picture */
588 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
589 buf = av_malloc(size);
593 picture2 = &picture_tmp;
594 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
597 if(avpicture_deinterlace(picture2, picture,
598 dec->pix_fmt, dec->width, dec->height) < 0) {
599 /* if error, do not deinterlace */
605 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
612 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
613 1000000 * ist->pts / AV_TIME_BASE);
615 if (picture != picture2)
616 *picture = *picture2;
620 /* we begin to correct av delay at this threshold */
621 #define AV_DELAY_MAX 0.100
623 static void do_subtitle_out(AVFormatContext *s,
629 static uint8_t *subtitle_out = NULL;
630 int subtitle_out_max_size = 65536;
631 int subtitle_out_size, nb, i;
635 if (pts == AV_NOPTS_VALUE) {
636 fprintf(stderr, "Subtitle packets must have a pts\n");
640 enc = ost->st->codec;
643 subtitle_out = av_malloc(subtitle_out_max_size);
646 /* Note: DVB subtitle need one packet to draw them and one other
647 packet to clear them */
648 /* XXX: signal it in the codec context ? */
649 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
654 for(i = 0; i < nb; i++) {
655 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
656 subtitle_out_max_size, sub);
658 av_init_packet(&pkt);
659 pkt.stream_index = ost->index;
660 pkt.data = subtitle_out;
661 pkt.size = subtitle_out_size;
662 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
663 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
664 /* XXX: the pts correction is handled here. Maybe handling
665 it in the codec would be better */
667 pkt.pts += 90 * sub->start_display_time;
669 pkt.pts += 90 * sub->end_display_time;
671 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
675 static int bit_buffer_size= 1024*256;
676 static uint8_t *bit_buffer= NULL;
678 static void do_video_out(AVFormatContext *s,
684 int nb_frames, i, ret;
685 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
686 AVFrame picture_crop_temp, picture_pad_temp;
687 AVCodecContext *enc, *dec;
689 avcodec_get_frame_defaults(&picture_crop_temp);
690 avcodec_get_frame_defaults(&picture_pad_temp);
692 enc = ost->st->codec;
693 dec = ist->st->codec;
695 /* by default, we output a single frame */
700 if(video_sync_method){
702 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
703 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
706 else if (vdelta > 1.1)
707 nb_frames = lrintf(vdelta);
708 //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);
712 fprintf(stderr, "*** drop!\n");
713 }else if (nb_frames > 1) {
714 nb_frames_dup += nb_frames;
716 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
719 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
721 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
725 if (ost->video_crop) {
726 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
727 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
730 formatted_picture = &picture_crop_temp;
732 formatted_picture = in_picture;
735 final_picture = formatted_picture;
736 padding_src = formatted_picture;
737 resampling_dst = &ost->pict_tmp;
738 if (ost->video_pad) {
739 final_picture = &ost->pict_tmp;
740 if (ost->video_resample) {
741 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
742 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
745 resampling_dst = &picture_pad_temp;
749 if (ost->video_resample) {
751 final_picture = &ost->pict_tmp;
752 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
753 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
756 if (ost->video_pad) {
757 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
758 enc->height, enc->width, enc->pix_fmt,
759 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
762 /* duplicates frame if needed */
763 for(i=0;i<nb_frames;i++) {
765 av_init_packet(&pkt);
766 pkt.stream_index= ost->index;
768 if (s->oformat->flags & AVFMT_RAWPICTURE) {
769 /* raw pictures are written as AVPicture structure to
770 avoid any copies. We support temorarily the older
772 AVFrame* old_frame = enc->coded_frame;
773 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
774 pkt.data= (uint8_t *)final_picture;
775 pkt.size= sizeof(AVPicture);
776 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
777 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
778 if(dec->coded_frame && dec->coded_frame->key_frame)
779 pkt.flags |= PKT_FLAG_KEY;
781 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
782 enc->coded_frame = old_frame;
786 big_picture= *final_picture;
787 /* better than nothing: use input picture interlaced
789 big_picture.interlaced_frame = in_picture->interlaced_frame;
790 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
791 if(top_field_first == -1)
792 big_picture.top_field_first = in_picture->top_field_first;
794 big_picture.top_field_first = top_field_first;
797 /* handles sameq here. This is not correct because it may
798 not be a global option */
800 big_picture.quality = ist->st->quality;
802 big_picture.quality = ost->st->quality;
804 big_picture.pict_type = 0;
805 // big_picture.pts = AV_NOPTS_VALUE;
806 big_picture.pts= ost->sync_opts;
807 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
808 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
809 ret = avcodec_encode_video(enc,
810 bit_buffer, bit_buffer_size,
813 fprintf(stderr, "Video encoding failed\n");
816 //enc->frame_number = enc->real_pict_num;
818 pkt.data= bit_buffer;
820 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
821 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
822 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
823 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
824 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
826 if(enc->coded_frame && enc->coded_frame->key_frame)
827 pkt.flags |= PKT_FLAG_KEY;
828 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
830 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
831 // enc->frame_number-1, enc->real_pict_num, ret,
833 /* if two pass, output log */
834 if (ost->logfile && enc->stats_out) {
835 fprintf(ost->logfile, "%s", enc->stats_out);
844 static double psnr(double d){
845 if(d==0) return INFINITY;
846 return -10.0*log(d)/log(10.0);
849 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
854 double ti1, bitrate, avg_bitrate;
856 /* this is executed just the first time do_video_stats is called */
858 fvstats = fopen(vstats_filename, "w");
865 enc = ost->st->codec;
866 if (enc->codec_type == CODEC_TYPE_VIDEO) {
867 frame_number = ost->frame_number;
868 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
869 if (enc->flags&CODEC_FLAG_PSNR)
870 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872 fprintf(fvstats,"f_size= %6d ", frame_size);
873 /* compute pts value */
874 ti1 = ost->sync_opts * av_q2d(enc->time_base);
878 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
879 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
880 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
881 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
882 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
886 static void print_report(AVFormatContext **output_files,
887 AVOutputStream **ost_table, int nb_ostreams,
892 AVFormatContext *oc, *os;
895 int frame_number, vid, i;
896 double bitrate, ti1, pts;
897 static int64_t last_time = -1;
898 static int qp_histogram[52];
900 if (!is_last_report) {
902 /* display the report every 0.5 seconds */
903 cur_time = av_gettime();
904 if (last_time == -1) {
905 last_time = cur_time;
908 if ((cur_time - last_time) < 500000)
910 last_time = cur_time;
914 oc = output_files[0];
916 total_size = url_fsize(&oc->pb);
917 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
918 total_size= url_ftell(&oc->pb);
923 for(i=0;i<nb_ostreams;i++) {
925 os = output_files[ost->file_index];
926 enc = ost->st->codec;
927 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
929 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
931 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 float t = (av_gettime()-timer_start) / 1000000.0;
934 frame_number = ost->frame_number;
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
936 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
937 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940 if(qp_hist && enc->coded_frame){
942 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
946 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948 if (enc->flags&CODEC_FLAG_PSNR){
950 double error, error_sum=0;
951 double scale, scale_sum=0;
952 char type[3]= {'Y','U','V'};
953 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
956 error= enc->error[j];
957 scale= enc->width*enc->height*255.0*255.0*frame_number;
959 error= enc->coded_frame->error[j];
960 scale= enc->width*enc->height*255.0*255.0;
965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
971 /* compute min output value */
972 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
973 if ((pts < ti1) && (pts > 0))
979 if (verbose || is_last_report) {
980 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984 (double)total_size / 1024, ti1, bitrate);
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988 nb_frames_dup, nb_frames_drop);
991 fprintf(stderr, "%s \r", buf);
996 if (is_last_report && verbose >= 0){
997 int64_t raw= audio_size + video_size + extra_size;
998 fprintf(stderr, "\n");
999 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1003 100.0*(total_size - raw)/raw
1008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1009 static int output_packet(AVInputStream *ist, int ist_index,
1010 AVOutputStream **ost_table, int nb_ostreams,
1011 const AVPacket *pkt)
1013 AVFormatContext *os;
1014 AVOutputStream *ost;
1018 int data_size, got_picture;
1020 void *buffer_to_free;
1021 static unsigned int samples_size= 0;
1022 static short *samples= NULL;
1023 AVSubtitle subtitle, *subtitle_to_free;
1027 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031 // assert(ist->pts == ist->next_pts);
1045 /* decode the packet if needed */
1046 data_buf = NULL; /* fail safe */
1048 subtitle_to_free = NULL;
1049 if (ist->decoding_needed) {
1050 switch(ist->st->codec->codec_type) {
1051 case CODEC_TYPE_AUDIO:{
1053 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054 data_size= samples_size;
1055 /* XXX: could avoid copy if PCM 16 bits with same
1056 endianness as CPU */
1057 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1063 /* Some bug in mpeg audio decoder gives */
1064 /* data_size < 0, it seems they are overflows */
1065 if (data_size <= 0) {
1066 /* no audio frame */
1069 data_buf = (uint8_t *)samples;
1070 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071 (ist->st->codec->sample_rate * ist->st->codec->channels);
1073 case CODEC_TYPE_VIDEO:
1074 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075 /* XXX: allocate picture correctly */
1076 avcodec_get_frame_defaults(&picture);
1078 ret = avcodec_decode_video(ist->st->codec,
1079 &picture, &got_picture, ptr, len);
1080 ist->st->quality= picture.quality;
1084 /* no picture yet */
1085 goto discard_packet;
1087 if (ist->st->codec->time_base.num != 0) {
1088 ist->next_pts += ((int64_t)AV_TIME_BASE *
1089 ist->st->codec->time_base.num) /
1090 ist->st->codec->time_base.den;
1094 case CODEC_TYPE_SUBTITLE:
1095 ret = avcodec_decode_subtitle(ist->st->codec,
1096 &subtitle, &got_subtitle, ptr, len);
1099 if (!got_subtitle) {
1100 goto discard_packet;
1102 subtitle_to_free = &subtitle;
1109 switch(ist->st->codec->codec_type) {
1110 case CODEC_TYPE_AUDIO:
1111 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112 (ist->st->codec->sample_rate * ist->st->codec->channels);
1114 case CODEC_TYPE_VIDEO:
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1128 buffer_to_free = NULL;
1129 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130 pre_process_video_frame(ist, (AVPicture *)&picture,
1134 // preprocess audio (volume)
1135 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136 if (audio_volume != 256) {
1139 for(i=0;i<(data_size / sizeof(short));i++) {
1140 int v = ((*volp) * audio_volume + 128) >> 8;
1141 if (v < -32768) v = -32768;
1142 if (v > 32767) v = 32767;
1148 /* frame rate emulation */
1149 if (ist->st->codec->rate_emu) {
1150 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151 int64_t now = av_gettime() - ist->start;
1159 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160 is the one of the next displayed one */
1161 /* XXX: add mpeg4 too ? */
1162 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163 if (ist->st->codec->pict_type != B_TYPE) {
1165 tmp = ist->last_ip_pts;
1166 ist->last_ip_pts = ist->frac_pts.val;
1167 ist->frac_pts.val = tmp;
1171 /* if output time reached then transcode raw format,
1172 encode packets and output them */
1173 if (start_time == 0 || ist->pts >= start_time)
1174 for(i=0;i<nb_ostreams;i++) {
1178 if (ost->source_index == ist_index) {
1179 os = output_files[ost->file_index];
1182 printf("%d: got pts=%0.3f %0.3f\n", i,
1183 (double)pkt->pts / AV_TIME_BASE,
1184 ((double)ist->pts / AV_TIME_BASE) -
1185 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187 /* set the input output pts pairs */
1188 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190 if (ost->encoding_needed) {
1191 switch(ost->st->codec->codec_type) {
1192 case CODEC_TYPE_AUDIO:
1193 do_audio_out(os, ost, ist, data_buf, data_size);
1195 case CODEC_TYPE_VIDEO:
1196 do_video_out(os, ost, ist, &picture, &frame_size);
1197 video_size += frame_size;
1198 if (vstats_filename && frame_size)
1199 do_video_stats(os, ost, frame_size);
1201 case CODEC_TYPE_SUBTITLE:
1202 do_subtitle_out(os, ost, ist, &subtitle,
1209 AVFrame avframe; //FIXME/XXX remove this
1211 av_init_packet(&opkt);
1213 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1216 /* no reencoding needed : output the packet directly */
1217 /* force the input stream PTS */
1219 avcodec_get_frame_defaults(&avframe);
1220 ost->st->codec->coded_frame= &avframe;
1221 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1223 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1224 audio_size += data_size;
1225 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1226 video_size += data_size;
1230 opkt.stream_index= ost->index;
1231 if(pkt->pts != AV_NOPTS_VALUE)
1232 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1234 opkt.pts= AV_NOPTS_VALUE;
1236 if (pkt->dts == AV_NOPTS_VALUE)
1237 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1239 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1241 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1242 opkt.flags= pkt->flags;
1244 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1245 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1246 opkt.destruct= av_destruct_packet;
1248 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1249 ost->st->codec->frame_number++;
1250 ost->frame_number++;
1251 av_free_packet(&opkt);
1255 av_free(buffer_to_free);
1256 /* XXX: allocate the subtitles in the codec ? */
1257 if (subtitle_to_free) {
1258 if (subtitle_to_free->rects != NULL) {
1259 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1260 av_free(subtitle_to_free->rects[i].bitmap);
1261 av_free(subtitle_to_free->rects[i].rgba_palette);
1263 av_freep(&subtitle_to_free->rects);
1265 subtitle_to_free->num_rects = 0;
1266 subtitle_to_free = NULL;
1273 for(i=0;i<nb_ostreams;i++) {
1275 if (ost->source_index == ist_index) {
1276 AVCodecContext *enc= ost->st->codec;
1277 os = output_files[ost->file_index];
1279 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1284 if (ost->encoding_needed) {
1288 av_init_packet(&pkt);
1289 pkt.stream_index= ost->index;
1291 switch(ost->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:
1293 fifo_bytes = av_fifo_size(&ost->fifo);
1295 /* encode any samples remaining in fifo */
1296 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1297 int fs_tmp = enc->frame_size;
1298 enc->frame_size = fifo_bytes / (2 * enc->channels);
1299 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1300 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302 enc->frame_size = fs_tmp;
1305 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1308 pkt.flags |= PKT_FLAG_KEY;
1310 case CODEC_TYPE_VIDEO:
1311 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313 if(enc->coded_frame && enc->coded_frame->key_frame)
1314 pkt.flags |= PKT_FLAG_KEY;
1315 if (ost->logfile && enc->stats_out) {
1316 fprintf(ost->logfile, "%s", enc->stats_out);
1325 pkt.data= bit_buffer;
1327 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1328 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1329 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1343 * The following code is the main loop of the file converter
1345 static int av_encode(AVFormatContext **output_files,
1346 int nb_output_files,
1347 AVFormatContext **input_files,
1349 AVStreamMap *stream_maps, int nb_stream_maps)
1351 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1352 AVFormatContext *is, *os;
1353 AVCodecContext *codec, *icodec;
1354 AVOutputStream *ost, **ost_table = NULL;
1355 AVInputStream *ist, **ist_table = NULL;
1356 AVInputFile *file_table;
1359 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1363 /* input stream init */
1365 for(i=0;i<nb_input_files;i++) {
1366 is = input_files[i];
1367 file_table[i].ist_index = j;
1368 file_table[i].nb_streams = is->nb_streams;
1369 j += is->nb_streams;
1373 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1377 for(i=0;i<nb_istreams;i++) {
1378 ist = av_mallocz(sizeof(AVInputStream));
1384 for(i=0;i<nb_input_files;i++) {
1385 is = input_files[i];
1386 for(k=0;k<is->nb_streams;k++) {
1387 ist = ist_table[j++];
1388 ist->st = is->streams[k];
1389 ist->file_index = i;
1391 ist->discard = 1; /* the stream is discarded by default
1394 if (ist->st->codec->rate_emu) {
1395 ist->start = av_gettime();
1401 /* output stream init */
1403 for(i=0;i<nb_output_files;i++) {
1404 os = output_files[i];
1405 if (!os->nb_streams) {
1406 fprintf(stderr, "Output file does not contain any stream\n");
1409 nb_ostreams += os->nb_streams;
1411 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1412 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1416 /* Sanity check the mapping args -- do the input files & streams exist? */
1417 for(i=0;i<nb_stream_maps;i++) {
1418 int fi = stream_maps[i].file_index;
1419 int si = stream_maps[i].stream_index;
1421 if (fi < 0 || fi > nb_input_files - 1 ||
1422 si < 0 || si > file_table[fi].nb_streams - 1) {
1423 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1426 fi = stream_maps[i].sync_file_index;
1427 si = stream_maps[i].sync_stream_index;
1428 if (fi < 0 || fi > nb_input_files - 1 ||
1429 si < 0 || si > file_table[fi].nb_streams - 1) {
1430 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1435 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1438 for(i=0;i<nb_ostreams;i++) {
1439 ost = av_mallocz(sizeof(AVOutputStream));
1446 for(k=0;k<nb_output_files;k++) {
1447 os = output_files[k];
1448 for(i=0;i<os->nb_streams;i++) {
1450 ost = ost_table[n++];
1451 ost->file_index = k;
1453 ost->st = os->streams[i];
1454 if (nb_stream_maps > 0) {
1455 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1456 stream_maps[n-1].stream_index;
1458 /* Sanity check that the stream types match */
1459 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1460 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1461 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1462 ost->file_index, ost->index);
1467 /* get corresponding input stream index : we select the first one with the right type */
1469 for(j=0;j<nb_istreams;j++) {
1472 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1473 ost->source_index = j;
1480 /* try again and reuse existing stream */
1481 for(j=0;j<nb_istreams;j++) {
1483 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1484 ost->source_index = j;
1489 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1490 ost->file_index, ost->index);
1495 ist = ist_table[ost->source_index];
1497 ost->sync_ist = (nb_stream_maps > 0) ?
1498 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1499 stream_maps[n-1].sync_stream_index] : ist;
1503 /* for each output stream, we compute the right encoding parameters */
1504 for(i=0;i<nb_ostreams;i++) {
1506 os = output_files[ost->file_index];
1507 ist = ist_table[ost->source_index];
1509 codec = ost->st->codec;
1510 icodec = ist->st->codec;
1512 if (!ost->st->language[0])
1513 av_strlcpy(ost->st->language, ist->st->language,
1514 sizeof(ost->st->language));
1516 if (ost->st->stream_copy) {
1517 /* if stream_copy is selected, no need to decode or encode */
1518 codec->codec_id = icodec->codec_id;
1519 codec->codec_type = icodec->codec_type;
1521 if(!codec->codec_tag){
1522 if( !os->oformat->codec_tag
1523 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1524 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1525 codec->codec_tag = icodec->codec_tag;
1528 codec->bit_rate = icodec->bit_rate;
1529 codec->extradata= icodec->extradata;
1530 codec->extradata_size= icodec->extradata_size;
1531 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1532 codec->time_base = icodec->time_base;
1534 codec->time_base = ist->st->time_base;
1535 switch(codec->codec_type) {
1536 case CODEC_TYPE_AUDIO:
1537 codec->sample_rate = icodec->sample_rate;
1538 codec->channels = icodec->channels;
1539 codec->frame_size = icodec->frame_size;
1540 codec->block_align= icodec->block_align;
1541 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1542 codec->block_align= 0;
1544 case CODEC_TYPE_VIDEO:
1546 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1549 codec->pix_fmt = icodec->pix_fmt;
1550 codec->width = icodec->width;
1551 codec->height = icodec->height;
1552 codec->has_b_frames = icodec->has_b_frames;
1554 case CODEC_TYPE_SUBTITLE:
1560 switch(codec->codec_type) {
1561 case CODEC_TYPE_AUDIO:
1562 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1565 if (codec->channels == icodec->channels &&
1566 codec->sample_rate == icodec->sample_rate) {
1567 ost->audio_resample = 0;
1569 if (codec->channels != icodec->channels &&
1570 (icodec->codec_id == CODEC_ID_AC3 ||
1571 icodec->codec_id == CODEC_ID_DTS)) {
1572 /* Special case for 5:1 AC3 and DTS input */
1573 /* and mono or stereo output */
1574 /* Request specific number of channels */
1575 icodec->channels = codec->channels;
1576 if (codec->sample_rate == icodec->sample_rate)
1577 ost->audio_resample = 0;
1579 ost->audio_resample = 1;
1582 ost->audio_resample = 1;
1585 if(audio_sync_method>1)
1586 ost->audio_resample = 1;
1588 if(ost->audio_resample){
1589 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1590 codec->sample_rate, icodec->sample_rate);
1592 printf("Can't resample. Aborting.\n");
1596 ist->decoding_needed = 1;
1597 ost->encoding_needed = 1;
1599 case CODEC_TYPE_VIDEO:
1600 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1601 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1602 ost->video_resample = ((codec->width != icodec->width -
1603 (frame_leftBand + frame_rightBand) +
1604 (frame_padleft + frame_padright)) ||
1605 (codec->height != icodec->height -
1606 (frame_topBand + frame_bottomBand) +
1607 (frame_padtop + frame_padbottom)) ||
1608 (codec->pix_fmt != icodec->pix_fmt));
1609 if (ost->video_crop) {
1610 ost->topBand = frame_topBand;
1611 ost->leftBand = frame_leftBand;
1613 if (ost->video_pad) {
1614 ost->padtop = frame_padtop;
1615 ost->padleft = frame_padleft;
1616 ost->padbottom = frame_padbottom;
1617 ost->padright = frame_padright;
1618 if (!ost->video_resample) {
1619 avcodec_get_frame_defaults(&ost->pict_tmp);
1620 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1621 codec->width, codec->height ) )
1625 if (ost->video_resample) {
1626 avcodec_get_frame_defaults(&ost->pict_tmp);
1627 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1628 codec->width, codec->height ) ) {
1629 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1632 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1633 ost->img_resample_ctx = sws_getContext(
1634 icodec->width - (frame_leftBand + frame_rightBand),
1635 icodec->height - (frame_topBand + frame_bottomBand),
1637 codec->width - (frame_padleft + frame_padright),
1638 codec->height - (frame_padtop + frame_padbottom),
1640 sws_flags, NULL, NULL, NULL);
1641 if (ost->img_resample_ctx == NULL) {
1642 fprintf(stderr, "Cannot get resampling context\n");
1645 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1647 ost->encoding_needed = 1;
1648 ist->decoding_needed = 1;
1650 case CODEC_TYPE_SUBTITLE:
1651 ost->encoding_needed = 1;
1652 ist->decoding_needed = 1;
1659 if (ost->encoding_needed &&
1660 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1661 char logfilename[1024];
1666 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1668 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1669 if (codec->flags & CODEC_FLAG_PASS1) {
1670 f = fopen(logfilename, "w");
1672 perror(logfilename);
1677 /* read the log file */
1678 f = fopen(logfilename, "r");
1680 perror(logfilename);
1683 fseek(f, 0, SEEK_END);
1685 fseek(f, 0, SEEK_SET);
1686 logbuffer = av_malloc(size + 1);
1688 fprintf(stderr, "Could not allocate log buffer\n");
1691 size = fread(logbuffer, 1, size, f);
1693 logbuffer[size] = '\0';
1694 codec->stats_in = logbuffer;
1698 if(codec->codec_type == CODEC_TYPE_VIDEO){
1699 int size= codec->width * codec->height;
1700 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1705 bit_buffer = av_malloc(bit_buffer_size);
1709 /* dump the file output parameters - cannot be done before in case
1711 for(i=0;i<nb_output_files;i++) {
1712 dump_format(output_files[i], i, output_files[i]->filename, 1);
1715 /* dump the stream mapping */
1717 fprintf(stderr, "Stream mapping:\n");
1718 for(i=0;i<nb_ostreams;i++) {
1720 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1721 ist_table[ost->source_index]->file_index,
1722 ist_table[ost->source_index]->index,
1725 if (ost->sync_ist != ist_table[ost->source_index])
1726 fprintf(stderr, " [sync #%d.%d]",
1727 ost->sync_ist->file_index,
1728 ost->sync_ist->index);
1729 fprintf(stderr, "\n");
1733 /* open each encoder */
1734 for(i=0;i<nb_ostreams;i++) {
1736 if (ost->encoding_needed) {
1738 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1740 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1741 ost->file_index, ost->index);
1744 if (avcodec_open(ost->st->codec, codec) < 0) {
1745 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1746 ost->file_index, ost->index);
1749 extra_size += ost->st->codec->extradata_size;
1753 /* open each decoder */
1754 for(i=0;i<nb_istreams;i++) {
1756 if (ist->decoding_needed) {
1758 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1760 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1761 ist->st->codec->codec_id, ist->file_index, ist->index);
1764 if (avcodec_open(ist->st->codec, codec) < 0) {
1765 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1766 ist->file_index, ist->index);
1769 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1770 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1775 for(i=0;i<nb_istreams;i++) {
1777 is = input_files[ist->file_index];
1780 if(input_files_ts_offset[ist->file_index] != -is->start_time)
1781 ist->next_pts= AV_NOPTS_VALUE;
1785 /* set meta data information from input file if required */
1786 for (i=0;i<nb_meta_data_maps;i++) {
1787 AVFormatContext *out_file;
1788 AVFormatContext *in_file;
1790 int out_file_index = meta_data_maps[i].out_file;
1791 int in_file_index = meta_data_maps[i].in_file;
1792 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1793 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1794 ret = AVERROR(EINVAL);
1797 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1798 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1799 ret = AVERROR(EINVAL);
1803 out_file = output_files[out_file_index];
1804 in_file = input_files[in_file_index];
1806 strcpy(out_file->title, in_file->title);
1807 strcpy(out_file->author, in_file->author);
1808 strcpy(out_file->copyright, in_file->copyright);
1809 strcpy(out_file->comment, in_file->comment);
1810 strcpy(out_file->album, in_file->album);
1811 out_file->year = in_file->year;
1812 out_file->track = in_file->track;
1813 strcpy(out_file->genre, in_file->genre);
1816 /* open files and write file headers */
1817 for(i=0;i<nb_output_files;i++) {
1818 os = output_files[i];
1819 if (av_write_header(os) < 0) {
1820 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1821 ret = AVERROR(EINVAL);
1826 if ( !using_stdin && verbose >= 0) {
1827 fprintf(stderr, "Press [q] to stop encoding\n");
1828 url_set_interrupt_cb(decode_interrupt_cb);
1833 timer_start = av_gettime();
1835 for(; received_sigterm == 0;) {
1836 int file_index, ist_index;
1844 /* if 'q' pressed, exits */
1848 /* read_key() returns 0 on EOF */
1854 /* select the stream that we must read now by looking at the
1855 smallest output pts */
1857 for(i=0;i<nb_ostreams;i++) {
1860 os = output_files[ost->file_index];
1861 ist = ist_table[ost->source_index];
1862 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1863 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1865 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1866 ipts = (double)ist->pts;
1867 if (!file_table[ist->file_index].eof_reached){
1868 if(ipts < ipts_min) {
1870 if(input_sync ) file_index = ist->file_index;
1872 if(opts < opts_min) {
1874 if(!input_sync) file_index = ist->file_index;
1877 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1882 /* if none, if is finished */
1883 if (file_index < 0) {
1887 /* finish if recording time exhausted */
1888 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1891 /* finish if limit size exhausted */
1892 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1895 /* read a frame from it and output it in the fifo */
1896 is = input_files[file_index];
1897 if (av_read_frame(is, &pkt) < 0) {
1898 file_table[file_index].eof_reached = 1;
1906 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1908 /* the following test is needed in case new streams appear
1909 dynamically in stream : we ignore them */
1910 if (pkt.stream_index >= file_table[file_index].nb_streams)
1911 goto discard_packet;
1912 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1913 ist = ist_table[ist_index];
1915 goto discard_packet;
1917 if (pkt.dts != AV_NOPTS_VALUE)
1918 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1919 if (pkt.pts != AV_NOPTS_VALUE)
1920 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1922 // 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);
1923 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1924 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1925 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1926 input_files_ts_offset[ist->file_index]-= delta;
1928 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1929 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1930 if(pkt.pts != AV_NOPTS_VALUE)
1931 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1935 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1936 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1939 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1940 ist->file_index, ist->index);
1942 av_free_packet(&pkt);
1947 av_free_packet(&pkt);
1949 /* dump report by using the output first video and audio streams */
1950 print_report(output_files, ost_table, nb_ostreams, 0);
1953 /* at the end of stream, we must flush the decoder buffers */
1954 for(i=0;i<nb_istreams;i++) {
1956 if (ist->decoding_needed) {
1957 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1963 /* write the trailer if needed and close file */
1964 for(i=0;i<nb_output_files;i++) {
1965 os = output_files[i];
1966 av_write_trailer(os);
1969 /* dump report by using the first video and audio streams */
1970 print_report(output_files, ost_table, nb_ostreams, 1);
1972 /* close each encoder */
1973 for(i=0;i<nb_ostreams;i++) {
1975 if (ost->encoding_needed) {
1976 av_freep(&ost->st->codec->stats_in);
1977 avcodec_close(ost->st->codec);
1981 /* close each decoder */
1982 for(i=0;i<nb_istreams;i++) {
1984 if (ist->decoding_needed) {
1985 avcodec_close(ist->st->codec);
1993 av_freep(&bit_buffer);
1994 av_free(file_table);
1997 for(i=0;i<nb_istreams;i++) {
2004 for(i=0;i<nb_ostreams;i++) {
2008 fclose(ost->logfile);
2009 ost->logfile = NULL;
2011 av_fifo_free(&ost->fifo); /* works even if fifo is not
2012 initialized but set to zero */
2013 av_free(ost->pict_tmp.data[0]);
2014 if (ost->video_resample)
2015 sws_freeContext(ost->img_resample_ctx);
2016 if (ost->audio_resample)
2017 audio_resample_close(ost->resample);
2025 ret = AVERROR(ENOMEM);
2030 int file_read(const char *filename)
2033 unsigned char buffer[1024];
2036 if (url_open(&h, filename, O_RDONLY) < 0) {
2037 printf("could not open '%s'\n", filename);
2041 len = url_read(h, buffer, sizeof(buffer));
2044 for(i=0;i<len;i++) putchar(buffer[i]);
2051 static void opt_format(const char *arg)
2053 /* compatibility stuff for pgmyuv */
2054 if (!strcmp(arg, "pgmyuv")) {
2055 pgmyuv_compatibility_hack=1;
2056 // opt_image_format(arg);
2058 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2061 file_iformat = av_find_input_format(arg);
2062 file_oformat = guess_format(arg, NULL, NULL);
2063 if (!file_iformat && !file_oformat) {
2064 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2069 static void opt_video_rc_eq(char *arg)
2074 static void opt_video_rc_override_string(char *arg)
2076 video_rc_override_string = arg;
2079 static void opt_me_threshold(const char *arg)
2081 me_threshold = atoi(arg);
2084 static void opt_verbose(const char *arg)
2086 verbose = atoi(arg);
2087 av_log_level = atoi(arg);
2090 static void opt_frame_rate(const char *arg)
2092 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2093 fprintf(stderr, "Incorrect frame rate\n");
2098 static void opt_frame_crop_top(const char *arg)
2100 frame_topBand = atoi(arg);
2101 if (frame_topBand < 0) {
2102 fprintf(stderr, "Incorrect top crop size\n");
2105 if ((frame_topBand % 2) != 0) {
2106 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2109 if ((frame_topBand) >= frame_height){
2110 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2113 frame_height -= frame_topBand;
2116 static void opt_frame_crop_bottom(const char *arg)
2118 frame_bottomBand = atoi(arg);
2119 if (frame_bottomBand < 0) {
2120 fprintf(stderr, "Incorrect bottom crop size\n");
2123 if ((frame_bottomBand % 2) != 0) {
2124 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2127 if ((frame_bottomBand) >= frame_height){
2128 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2131 frame_height -= frame_bottomBand;
2134 static void opt_frame_crop_left(const char *arg)
2136 frame_leftBand = atoi(arg);
2137 if (frame_leftBand < 0) {
2138 fprintf(stderr, "Incorrect left crop size\n");
2141 if ((frame_leftBand % 2) != 0) {
2142 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2145 if ((frame_leftBand) >= frame_width){
2146 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2149 frame_width -= frame_leftBand;
2152 static void opt_frame_crop_right(const char *arg)
2154 frame_rightBand = atoi(arg);
2155 if (frame_rightBand < 0) {
2156 fprintf(stderr, "Incorrect right crop size\n");
2159 if ((frame_rightBand % 2) != 0) {
2160 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2163 if ((frame_rightBand) >= frame_width){
2164 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2167 frame_width -= frame_rightBand;
2170 static void opt_frame_size(const char *arg)
2172 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2173 fprintf(stderr, "Incorrect frame size\n");
2176 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2177 fprintf(stderr, "Frame size must be a multiple of 2\n");
2183 #define SCALEBITS 10
2184 #define ONE_HALF (1 << (SCALEBITS - 1))
2185 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2187 #define RGB_TO_Y(r, g, b) \
2188 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2189 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2191 #define RGB_TO_U(r1, g1, b1, shift)\
2192 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2193 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2195 #define RGB_TO_V(r1, g1, b1, shift)\
2196 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2197 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2199 static void opt_pad_color(const char *arg) {
2200 /* Input is expected to be six hex digits similar to
2201 how colors are expressed in html tags (but without the #) */
2202 int rgb = strtol(arg, NULL, 16);
2206 g = ((rgb >> 8) & 255);
2209 padcolor[0] = RGB_TO_Y(r,g,b);
2210 padcolor[1] = RGB_TO_U(r,g,b,0);
2211 padcolor[2] = RGB_TO_V(r,g,b,0);
2214 static void opt_frame_pad_top(const char *arg)
2216 frame_padtop = atoi(arg);
2217 if (frame_padtop < 0) {
2218 fprintf(stderr, "Incorrect top pad size\n");
2221 if ((frame_padtop % 2) != 0) {
2222 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2227 static void opt_frame_pad_bottom(const char *arg)
2229 frame_padbottom = atoi(arg);
2230 if (frame_padbottom < 0) {
2231 fprintf(stderr, "Incorrect bottom pad size\n");
2234 if ((frame_padbottom % 2) != 0) {
2235 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2241 static void opt_frame_pad_left(const char *arg)
2243 frame_padleft = atoi(arg);
2244 if (frame_padleft < 0) {
2245 fprintf(stderr, "Incorrect left pad size\n");
2248 if ((frame_padleft % 2) != 0) {
2249 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2255 static void opt_frame_pad_right(const char *arg)
2257 frame_padright = atoi(arg);
2258 if (frame_padright < 0) {
2259 fprintf(stderr, "Incorrect right pad size\n");
2262 if ((frame_padright % 2) != 0) {
2263 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2268 void list_pix_fmts(void)
2271 char pix_fmt_str[128];
2272 for (i=-1; i < PIX_FMT_NB; i++) {
2273 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2274 fprintf(stdout, "%s\n", pix_fmt_str);
2278 static void opt_frame_pix_fmt(const char *arg)
2280 if (strcmp(arg, "list"))
2281 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2288 static void opt_frame_aspect_ratio(const char *arg)
2294 p = strchr(arg, ':');
2296 x = strtol(arg, (char **)&arg, 10);
2298 y = strtol(arg+1, (char **)&arg, 10);
2300 ar = (double)x / (double)y;
2302 ar = strtod(arg, (char **)&arg);
2305 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2308 frame_aspect_ratio = ar;
2311 static void opt_qscale(const char *arg)
2313 video_qscale = atof(arg);
2314 if (video_qscale <= 0 ||
2315 video_qscale > 255) {
2316 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2321 static void opt_qdiff(const char *arg)
2323 video_qdiff = atoi(arg);
2324 if (video_qdiff < 0 ||
2326 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2331 static void opt_strict(const char *arg)
2336 static void opt_top_field_first(const char *arg)
2338 top_field_first= atoi(arg);
2341 static void opt_thread_count(const char *arg)
2343 thread_count= atoi(arg);
2344 #if !defined(HAVE_THREADS)
2346 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2350 static void opt_audio_rate(const char *arg)
2352 audio_sample_rate = atoi(arg);
2355 static void opt_audio_channels(const char *arg)
2357 audio_channels = atoi(arg);
2360 static void opt_video_channel(const char *arg)
2362 video_channel = strtol(arg, NULL, 0);
2365 static void opt_video_standard(const char *arg)
2367 video_standard = av_strdup(arg);
2370 static void opt_codec(int *pstream_copy, int *pcodec_id,
2371 int codec_type, const char *arg)
2375 if (!strcmp(arg, "copy")) {
2380 if (!strcmp(p->name, arg) && p->type == codec_type)
2385 fprintf(stderr, "Unknown codec '%s'\n", arg);
2393 static void opt_audio_codec(const char *arg)
2395 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2398 static void opt_audio_tag(const char *arg)
2401 audio_codec_tag= strtol(arg, &tail, 0);
2404 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2407 static void opt_video_tag(const char *arg)
2410 video_codec_tag= strtol(arg, &tail, 0);
2413 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2417 static void add_frame_hooker(const char *arg)
2422 char *args = av_strdup(arg);
2426 argv[0] = strtok(args, " ");
2427 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2430 i = frame_hook_add(argc, argv);
2433 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2439 static void opt_video_codec(const char *arg)
2441 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2444 static void opt_subtitle_codec(const char *arg)
2446 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2449 static void opt_map(const char *arg)
2455 m = &stream_maps[nb_stream_maps++];
2457 m->file_index = strtol(arg, (char **)&p, 0);
2461 m->stream_index = strtol(p, (char **)&p, 0);
2464 m->sync_file_index = strtol(p, (char **)&p, 0);
2467 m->sync_stream_index = strtol(p, (char **)&p, 0);
2469 m->sync_file_index = m->file_index;
2470 m->sync_stream_index = m->stream_index;
2474 static void opt_map_meta_data(const char *arg)
2480 m = &meta_data_maps[nb_meta_data_maps++];
2482 m->out_file = strtol(arg, (char **)&p, 0);
2486 m->in_file = strtol(p, (char **)&p, 0);
2489 static void opt_recording_time(const char *arg)
2491 recording_time = parse_date(arg, 1);
2494 static void opt_start_time(const char *arg)
2496 start_time = parse_date(arg, 1);
2499 static void opt_rec_timestamp(const char *arg)
2501 rec_timestamp = parse_date(arg, 0) / 1000000;
2504 static void opt_input_ts_offset(const char *arg)
2506 input_ts_offset = parse_date(arg, 1);
2509 static void opt_input_file(const char *filename)
2511 AVFormatContext *ic;
2512 AVFormatParameters params, *ap = ¶ms;
2513 int err, i, ret, rfps, rfps_base;
2516 if (!strcmp(filename, "-"))
2519 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2520 !strcmp( filename, "/dev/stdin" );
2522 /* get default parameters from command line */
2523 ic = av_alloc_format_context();
2525 memset(ap, 0, sizeof(*ap));
2526 ap->prealloced_context = 1;
2527 ap->sample_rate = audio_sample_rate;
2528 ap->channels = audio_channels;
2529 ap->time_base.den = frame_rate.num;
2530 ap->time_base.num = frame_rate.den;
2531 ap->width = frame_width + frame_padleft + frame_padright;
2532 ap->height = frame_height + frame_padtop + frame_padbottom;
2533 ap->pix_fmt = frame_pix_fmt;
2534 ap->channel = video_channel;
2535 ap->standard = video_standard;
2536 ap->video_codec_id = video_codec_id;
2537 ap->audio_codec_id = audio_codec_id;
2538 if(pgmyuv_compatibility_hack)
2539 ap->video_codec_id= CODEC_ID_PGMYUV;
2541 for(i=0; i<opt_name_count; i++){
2542 const AVOption *opt;
2543 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2544 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2545 av_set_double(ic, opt_names[i], d);
2547 /* open the input file with generic libav function */
2548 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2550 print_error(filename, err);
2554 ic->loop_input = loop_input;
2556 /* If not enough info to get the stream parameters, we decode the
2557 first frames to get it. (used in mpeg case for example) */
2558 ret = av_find_stream_info(ic);
2559 if (ret < 0 && verbose >= 0) {
2560 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2564 timestamp = start_time;
2565 /* add the stream start time */
2566 if (ic->start_time != AV_NOPTS_VALUE)
2567 timestamp += ic->start_time;
2569 /* if seeking requested, we execute it */
2570 if (start_time != 0) {
2571 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2573 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2574 filename, (double)timestamp / AV_TIME_BASE);
2576 /* reset seek info */
2580 /* update the current parameters so that they match the one of the input stream */
2581 for(i=0;i<ic->nb_streams;i++) {
2583 AVCodecContext *enc = ic->streams[i]->codec;
2585 avcodec_thread_init(enc, thread_count);
2586 enc->thread_count= thread_count;
2587 switch(enc->codec_type) {
2588 case CODEC_TYPE_AUDIO:
2589 for(j=0; j<opt_name_count; j++){
2590 const AVOption *opt;
2591 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2592 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2593 av_set_double(enc, opt_names[j], d);
2595 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2596 audio_channels = enc->channels;
2597 audio_sample_rate = enc->sample_rate;
2599 ic->streams[i]->discard= AVDISCARD_ALL;
2601 case CODEC_TYPE_VIDEO:
2602 for(j=0; j<opt_name_count; j++){
2603 const AVOption *opt;
2604 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2605 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2606 av_set_double(enc, opt_names[j], d);
2608 frame_height = enc->height;
2609 frame_width = enc->width;
2610 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2611 frame_pix_fmt = enc->pix_fmt;
2612 rfps = ic->streams[i]->r_frame_rate.num;
2613 rfps_base = ic->streams[i]->r_frame_rate.den;
2614 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2616 enc->debug |= FF_DEBUG_MV;
2618 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2621 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2622 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2624 (float)rfps / rfps_base, rfps, rfps_base);
2626 /* update the current frame rate to match the stream frame rate */
2627 frame_rate.num = rfps;
2628 frame_rate.den = rfps_base;
2630 enc->rate_emu = rate_emu;
2632 ic->streams[i]->discard= AVDISCARD_ALL;
2633 else if(video_discard)
2634 ic->streams[i]->discard= video_discard;
2636 case CODEC_TYPE_DATA:
2638 case CODEC_TYPE_SUBTITLE:
2639 if(subtitle_disable)
2640 ic->streams[i]->discard = AVDISCARD_ALL;
2642 case CODEC_TYPE_UNKNOWN:
2649 input_files[nb_input_files] = ic;
2650 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2651 /* dump the file content */
2653 dump_format(ic, nb_input_files, filename, 0);
2656 file_iformat = NULL;
2657 file_oformat = NULL;
2664 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2665 int *has_subtitle_ptr)
2667 int has_video, has_audio, has_subtitle, i, j;
2668 AVFormatContext *ic;
2673 for(j=0;j<nb_input_files;j++) {
2674 ic = input_files[j];
2675 for(i=0;i<ic->nb_streams;i++) {
2676 AVCodecContext *enc = ic->streams[i]->codec;
2677 switch(enc->codec_type) {
2678 case CODEC_TYPE_AUDIO:
2681 case CODEC_TYPE_VIDEO:
2684 case CODEC_TYPE_SUBTITLE:
2687 case CODEC_TYPE_DATA:
2688 case CODEC_TYPE_UNKNOWN:
2695 *has_video_ptr = has_video;
2696 *has_audio_ptr = has_audio;
2697 *has_subtitle_ptr = has_subtitle;
2700 static void new_video_stream(AVFormatContext *oc)
2703 AVCodecContext *video_enc;
2706 st = av_new_stream(oc, oc->nb_streams);
2708 fprintf(stderr, "Could not alloc stream\n");
2711 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2712 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2713 video_bitstream_filters= NULL;
2716 avcodec_thread_init(st->codec, thread_count);
2718 video_enc = st->codec;
2721 video_enc->codec_tag= video_codec_tag;
2723 if( (video_global_header&1)
2724 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2725 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2726 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2728 if(video_global_header&2){
2729 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2730 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2733 if (video_stream_copy) {
2734 st->stream_copy = 1;
2735 video_enc->codec_type = CODEC_TYPE_VIDEO;
2741 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2742 if (video_codec_id != CODEC_ID_NONE)
2743 codec_id = video_codec_id;
2745 video_enc->codec_id = codec_id;
2746 codec = avcodec_find_encoder(codec_id);
2748 for(i=0; i<opt_name_count; i++){
2749 const AVOption *opt;
2750 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2751 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2752 av_set_double(video_enc, opt_names[i], d);
2755 video_enc->time_base.den = frame_rate.num;
2756 video_enc->time_base.num = frame_rate.den;
2757 if(codec && codec->supported_framerates){
2758 const AVRational *p= codec->supported_framerates;
2759 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2760 const AVRational *best=NULL;
2761 AVRational best_error= (AVRational){INT_MAX, 1};
2762 for(; p->den!=0; p++){
2763 AVRational error= av_sub_q(req, *p);
2764 if(error.num <0) error.num *= -1;
2765 if(av_cmp_q(error, best_error) < 0){
2770 video_enc->time_base.den= best->num;
2771 video_enc->time_base.num= best->den;
2774 video_enc->width = frame_width + frame_padright + frame_padleft;
2775 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2776 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2777 video_enc->pix_fmt = frame_pix_fmt;
2779 if(codec && codec->pix_fmts){
2780 const enum PixelFormat *p= codec->pix_fmts;
2782 if(*p == video_enc->pix_fmt)
2786 video_enc->pix_fmt = codec->pix_fmts[0];
2790 video_enc->gop_size = 0;
2791 if (video_qscale || same_quality) {
2792 video_enc->flags |= CODEC_FLAG_QSCALE;
2793 video_enc->global_quality=
2794 st->quality = FF_QP2LAMBDA * video_qscale;
2798 video_enc->intra_matrix = intra_matrix;
2800 video_enc->inter_matrix = inter_matrix;
2802 video_enc->max_qdiff = video_qdiff;
2803 video_enc->rc_eq = video_rc_eq;
2804 video_enc->thread_count = thread_count;
2805 p= video_rc_override_string;
2808 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2810 fprintf(stderr, "error parsing rc_override\n");
2813 video_enc->rc_override=
2814 av_realloc(video_enc->rc_override,
2815 sizeof(RcOverride)*(i+1));
2816 video_enc->rc_override[i].start_frame= start;
2817 video_enc->rc_override[i].end_frame = end;
2819 video_enc->rc_override[i].qscale= q;
2820 video_enc->rc_override[i].quality_factor= 1.0;
2823 video_enc->rc_override[i].qscale= 0;
2824 video_enc->rc_override[i].quality_factor= -q/100.0;
2829 video_enc->rc_override_count=i;
2830 if (!video_enc->rc_initial_buffer_occupancy)
2831 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2832 video_enc->me_threshold= me_threshold;
2833 video_enc->intra_dc_precision= intra_dc_precision - 8;
2834 video_enc->strict_std_compliance = strict;
2837 video_enc->flags|= CODEC_FLAG_PSNR;
2842 video_enc->flags |= CODEC_FLAG_PASS1;
2844 video_enc->flags |= CODEC_FLAG_PASS2;
2849 /* reset some key parameters */
2851 video_codec_id = CODEC_ID_NONE;
2852 video_stream_copy = 0;
2855 static void new_audio_stream(AVFormatContext *oc)
2858 AVCodecContext *audio_enc;
2861 st = av_new_stream(oc, oc->nb_streams);
2863 fprintf(stderr, "Could not alloc stream\n");
2866 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2868 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2869 audio_bitstream_filters= NULL;
2872 avcodec_thread_init(st->codec, thread_count);
2874 audio_enc = st->codec;
2875 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2876 audio_enc->strict_std_compliance = strict;
2879 audio_enc->codec_tag= audio_codec_tag;
2881 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2882 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2883 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2885 if (audio_stream_copy) {
2886 st->stream_copy = 1;
2887 audio_enc->channels = audio_channels;
2889 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2891 for(i=0; i<opt_name_count; i++){
2892 const AVOption *opt;
2893 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2894 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2895 av_set_double(audio_enc, opt_names[i], d);
2898 if (audio_codec_id != CODEC_ID_NONE)
2899 codec_id = audio_codec_id;
2900 audio_enc->codec_id = codec_id;
2902 if (audio_qscale > QSCALE_NONE) {
2903 audio_enc->flags |= CODEC_FLAG_QSCALE;
2904 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2906 audio_enc->thread_count = thread_count;
2907 audio_enc->channels = audio_channels;
2909 audio_enc->sample_rate = audio_sample_rate;
2910 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2911 if (audio_language) {
2912 av_strlcpy(st->language, audio_language, sizeof(st->language));
2913 av_free(audio_language);
2914 audio_language = NULL;
2917 /* reset some key parameters */
2919 audio_codec_id = CODEC_ID_NONE;
2920 audio_stream_copy = 0;
2923 static void new_subtitle_stream(AVFormatContext *oc)
2926 AVCodecContext *subtitle_enc;
2929 st = av_new_stream(oc, oc->nb_streams);
2931 fprintf(stderr, "Could not alloc stream\n");
2934 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2936 subtitle_enc = st->codec;
2937 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2938 if (subtitle_stream_copy) {
2939 st->stream_copy = 1;
2941 for(i=0; i<opt_name_count; i++){
2942 const AVOption *opt;
2943 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2944 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2945 av_set_double(subtitle_enc, opt_names[i], d);
2947 subtitle_enc->codec_id = subtitle_codec_id;
2950 if (subtitle_language) {
2951 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2952 av_free(subtitle_language);
2953 subtitle_language = NULL;
2956 subtitle_disable = 0;
2957 subtitle_codec_id = CODEC_ID_NONE;
2958 subtitle_stream_copy = 0;
2961 static void opt_new_audio_stream(void)
2963 AVFormatContext *oc;
2964 if (nb_output_files <= 0) {
2965 fprintf(stderr, "At least one output file must be specified\n");
2968 oc = output_files[nb_output_files - 1];
2969 new_audio_stream(oc);
2972 static void opt_new_video_stream(void)
2974 AVFormatContext *oc;
2975 if (nb_output_files <= 0) {
2976 fprintf(stderr, "At least one output file must be specified\n");
2979 oc = output_files[nb_output_files - 1];
2980 new_video_stream(oc);
2983 static void opt_new_subtitle_stream(void)
2985 AVFormatContext *oc;
2986 if (nb_output_files <= 0) {
2987 fprintf(stderr, "At least one output file must be specified\n");
2990 oc = output_files[nb_output_files - 1];
2991 new_subtitle_stream(oc);
2994 static void opt_output_file(const char *filename)
2996 AVFormatContext *oc;
2997 int use_video, use_audio, use_subtitle;
2998 int input_has_video, input_has_audio, input_has_subtitle, i;
2999 AVFormatParameters params, *ap = ¶ms;
3001 if (!strcmp(filename, "-"))
3004 oc = av_alloc_format_context();
3006 if (!file_oformat) {
3007 file_oformat = guess_format(NULL, filename, NULL);
3008 if (!file_oformat) {
3009 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3015 oc->oformat = file_oformat;
3016 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3018 if (!strcmp(file_oformat->name, "ffm") &&
3019 av_strstart(filename, "http:", NULL)) {
3020 /* special case for files sent to ffserver: we get the stream
3021 parameters from ffserver */
3022 if (read_ffserver_streams(oc, filename) < 0) {
3023 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3027 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3028 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3029 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_id != CODEC_ID_NONE;
3031 /* disable if no corresponding type found and at least one
3033 if (nb_input_files > 0) {
3034 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3035 &input_has_subtitle);
3036 if (!input_has_video)
3038 if (!input_has_audio)
3040 if (!input_has_subtitle)
3044 /* manual disable */
3045 if (audio_disable) {
3048 if (video_disable) {
3051 if (subtitle_disable) {
3056 new_video_stream(oc);
3060 new_audio_stream(oc);
3064 new_subtitle_stream(oc);
3067 oc->timestamp = rec_timestamp;
3070 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3072 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3074 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3076 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3078 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3081 output_files[nb_output_files++] = oc;
3083 /* check filename in case of an image number is expected */
3084 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3085 if (!av_filename_number_test(oc->filename)) {
3086 print_error(oc->filename, AVERROR_NUMEXPECTED);
3091 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3092 /* test if it already exists to avoid loosing precious files */
3093 if (!file_overwrite &&
3094 (strchr(filename, ':') == NULL ||
3095 av_strstart(filename, "file:", NULL))) {
3096 if (url_exist(filename)) {
3099 if ( !using_stdin ) {
3100 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3103 if (toupper(c) != 'Y') {
3104 fprintf(stderr, "Not overwriting - exiting\n");
3109 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3116 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3117 fprintf(stderr, "Could not open '%s'\n", filename);
3122 memset(ap, 0, sizeof(*ap));
3123 if (av_set_parameters(oc, ap) < 0) {
3124 fprintf(stderr, "%s: Invalid encoding parameters\n",
3129 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3130 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3131 oc->loop_output = loop_output;
3133 for(i=0; i<opt_name_count; i++){
3134 const AVOption *opt;
3135 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3136 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3137 av_set_double(oc, opt_names[i], d);
3140 /* reset some options */
3141 file_oformat = NULL;
3142 file_iformat = NULL;
3145 /* same option as mencoder */
3146 static void opt_pass(const char *pass_str)
3149 pass = atoi(pass_str);
3150 if (pass != 1 && pass != 2) {
3151 fprintf(stderr, "pass number can be only 1 or 2\n");
3157 static int64_t getutime(void)
3159 #ifdef HAVE_GETRUSAGE
3160 struct rusage rusage;
3162 getrusage(RUSAGE_SELF, &rusage);
3163 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3164 #elif defined(HAVE_GETPROCESSTIMES)
3166 FILETIME c, e, k, u;
3167 proc = GetCurrentProcess();
3168 GetProcessTimes(proc, &c, &e, &k, &u);
3169 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3171 return av_gettime();
3175 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3176 extern int ffm_nopts;
3179 static void show_formats(void)
3181 AVInputFormat *ifmt;
3182 AVOutputFormat *ofmt;
3185 const char *last_name;
3187 printf("File formats:\n");
3192 const char *name=NULL;
3193 const char *long_name=NULL;
3195 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3196 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3197 strcmp(ofmt->name, last_name)>0){
3199 long_name= ofmt->long_name;
3203 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3204 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3205 strcmp(ifmt->name, last_name)>0){
3207 long_name= ifmt->long_name;
3210 if(name && strcmp(ifmt->name, name)==0)
3222 long_name ? long_name:" ");
3226 printf("Codecs:\n");
3232 const char *type_str;
3235 for(p = first_avcodec; p != NULL; p = p->next) {
3236 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3237 strcmp(p->name, last_name)>0){
3239 decode= encode= cap=0;
3241 if(p2 && strcmp(p->name, p2->name)==0){
3242 if(p->decode) decode=1;
3243 if(p->encode) encode=1;
3244 cap |= p->capabilities;
3249 last_name= p2->name;
3252 case CODEC_TYPE_VIDEO:
3255 case CODEC_TYPE_AUDIO:
3258 case CODEC_TYPE_SUBTITLE:
3267 decode ? "D": (/*p2->decoder ? "d":*/" "),
3270 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3271 cap & CODEC_CAP_DR1 ? "D":" ",
3272 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3274 /* if(p2->decoder && decode==0)
3275 printf(" use %s for decoding", p2->decoder->name);*/
3280 printf("Supported file protocols:\n");
3281 for(up = first_protocol; up != NULL; up = up->next)
3282 printf(" %s:", up->name);
3285 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3288 "Note, the names of encoders and decoders do not always match, so there are\n"
3289 "several cases where the above table shows encoder only or decoder only entries\n"
3290 "even though both encoding and decoding are supported. For example, the h263\n"
3291 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3296 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3299 const char *p = str;
3306 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3313 static void opt_inter_matrix(const char *arg)
3315 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3316 parse_matrix_coeffs(inter_matrix, arg);
3319 static void opt_intra_matrix(const char *arg)
3321 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3322 parse_matrix_coeffs(intra_matrix, arg);
3325 static void opt_target(const char *arg)
3328 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3330 if(!strncmp(arg, "pal-", 4)) {
3333 } else if(!strncmp(arg, "ntsc-", 5)) {
3336 } else if(!strncmp(arg, "film-", 5)) {
3341 /* Calculate FR via float to avoid int overflow */
3342 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3345 } else if((fr == 29970) || (fr == 23976)) {
3348 /* Try to determine PAL/NTSC by peeking in the input files */
3349 if(nb_input_files) {
3351 for(j = 0; j < nb_input_files; j++) {
3352 for(i = 0; i < input_files[j]->nb_streams; i++) {
3353 AVCodecContext *c = input_files[j]->streams[i]->codec;
3354 if(c->codec_type != CODEC_TYPE_VIDEO)
3356 fr = c->time_base.den * 1000 / c->time_base.num;
3360 } else if((fr == 29970) || (fr == 23976)) {
3370 if(verbose && norm >= 0)
3371 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3375 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3376 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3377 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3381 if(!strcmp(arg, "vcd")) {
3383 opt_video_codec("mpeg1video");
3384 opt_audio_codec("mp2");
3387 opt_frame_size(norm ? "352x240" : "352x288");
3388 opt_frame_rate(frame_rates[norm]);
3389 opt_default("gop", norm ? "18" : "15");
3391 opt_default("b", "1150000");
3392 opt_default("maxrate", "1150000");
3393 opt_default("minrate", "1150000");
3394 opt_default("bufsize", "327680"); // 40*1024*8;
3396 opt_default("ab", "224000");
3397 audio_sample_rate = 44100;
3400 opt_default("packetsize", "2324");
3401 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3403 /* We have to offset the PTS, so that it is consistent with the SCR.
3404 SCR starts at 36000, but the first two packs contain only padding
3405 and the first pack from the other stream, respectively, may also have
3406 been written before.
3407 So the real data starts at SCR 36000+3*1200. */
3408 mux_preload= (36000+3*1200) / 90000.0; //0.44
3409 } else if(!strcmp(arg, "svcd")) {
3411 opt_video_codec("mpeg2video");
3412 opt_audio_codec("mp2");
3415 opt_frame_size(norm ? "480x480" : "480x576");
3416 opt_frame_rate(frame_rates[norm]);
3417 opt_default("gop", norm ? "18" : "15");
3419 opt_default("b", "2040000");
3420 opt_default("maxrate", "2516000");
3421 opt_default("minrate", "0"); //1145000;
3422 opt_default("bufsize", "1835008"); //224*1024*8;
3423 opt_default("flags", "+SCAN_OFFSET");
3426 opt_default("ab", "224000");
3427 audio_sample_rate = 44100;
3429 opt_default("packetsize", "2324");
3431 } else if(!strcmp(arg, "dvd")) {
3433 opt_video_codec("mpeg2video");
3434 opt_audio_codec("ac3");
3437 opt_frame_size(norm ? "720x480" : "720x576");
3438 opt_frame_rate(frame_rates[norm]);
3439 opt_default("gop", norm ? "18" : "15");
3441 opt_default("b", "6000000");
3442 opt_default("maxrate", "9000000");
3443 opt_default("minrate", "0"); //1500000;
3444 opt_default("bufsize", "1835008"); //224*1024*8;
3446 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3447 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3449 opt_default("ab", "448000");
3450 audio_sample_rate = 48000;
3452 } else if(!strncmp(arg, "dv", 2)) {
3456 opt_frame_size(norm ? "720x480" : "720x576");
3457 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3458 (norm ? "yuv411p" : "yuv420p"));
3459 opt_frame_rate(frame_rates[norm]);
3461 audio_sample_rate = 48000;
3465 fprintf(stderr, "Unknown target: %s\n", arg);
3470 static void opt_vstats_file (const char *arg)
3472 av_free (vstats_filename);
3473 vstats_filename=av_strdup (arg);
3476 static void opt_vstats (void)
3479 time_t today2 = time(NULL);
3480 struct tm *today = localtime(&today2);
3482 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3484 opt_vstats_file(filename);
3487 static void opt_video_bsf(const char *arg)
3489 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3490 AVBitStreamFilterContext **bsfp;
3493 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3497 bsfp= &video_bitstream_filters;
3499 bsfp= &(*bsfp)->next;
3504 //FIXME avoid audio - video code duplication
3505 static void opt_audio_bsf(const char *arg)
3507 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3508 AVBitStreamFilterContext **bsfp;
3511 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3515 bsfp= &audio_bitstream_filters;
3517 bsfp= &(*bsfp)->next;
3522 static void show_version(void)
3524 /* TODO: add function interface to avutil and avformat */
3525 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3529 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3533 static int opt_default(const char *opt, const char *arg){
3535 const AVOption *o= NULL;
3536 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3538 for(type=0; type<CODEC_TYPE_NB; type++){
3539 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3541 o = av_set_string(avctx_opts[type], opt, arg);
3544 o = av_set_string(avformat_opts, opt, arg);
3546 o = av_set_string(sws_opts, opt, arg);
3549 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3550 else if(opt[0] == 'v')
3551 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3552 else if(opt[0] == 's')
3553 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3558 // 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));
3560 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3561 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3562 opt_names[opt_name_count++]= o->name;
3564 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3565 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3566 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3570 if(avctx_opts[0]->debug)
3571 av_log_level = AV_LOG_DEBUG;
3575 const OptionDef options[] = {
3577 { "L", 0, {(void*)show_license}, "show license" },
3578 { "h", 0, {(void*)show_help}, "show help" },
3579 { "version", 0, {(void*)show_version}, "show version" },
3580 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3581 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3582 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3583 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3584 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3585 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3586 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3587 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3588 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3589 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3590 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3591 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3592 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3593 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3594 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3595 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3596 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3597 "add timings for benchmarking" },
3598 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3599 "dump each input packet" },
3600 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3601 "when dumping packets, also dump the payload" },
3602 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3603 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3604 { "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)", "" },
3605 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3606 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3607 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3608 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3609 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3610 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3611 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3612 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3613 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3616 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3617 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3618 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3619 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3620 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3621 { "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" },
3622 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3623 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3624 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3625 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3626 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3627 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3628 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3629 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3630 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3631 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3632 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3633 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3634 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3635 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3636 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3637 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3638 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3639 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3640 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3641 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3642 "use same video quality as source (implies VBR)" },
3643 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3644 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3645 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3646 "deinterlace pictures" },
3647 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3648 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3649 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3651 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3653 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3654 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3655 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3656 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3657 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3658 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3659 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3662 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3663 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3664 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3665 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3666 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3667 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3668 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3669 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3670 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3671 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3673 /* subtitle options */
3674 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3675 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3676 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3677 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3680 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3681 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3682 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3685 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3686 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3688 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3689 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3691 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3695 static void show_banner(void)
3697 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3698 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3699 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3700 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3701 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3702 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3704 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3706 fprintf(stderr, ", using a non-gcc compiler\n");
3710 static void show_license(void)
3715 "FFmpeg is free software; you can redistribute it and/or modify\n"
3716 "it under the terms of the GNU General Public License as published by\n"
3717 "the Free Software Foundation; either version 2 of the License, or\n"
3718 "(at your option) any later version.\n"
3720 "FFmpeg is distributed in the hope that it will be useful,\n"
3721 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3722 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3723 "GNU General Public License for more details.\n"
3725 "You should have received a copy of the GNU General Public License\n"
3726 "along with FFmpeg; if not, write to the Free Software\n"
3727 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3731 "FFmpeg is free software; you can redistribute it and/or\n"
3732 "modify it under the terms of the GNU Lesser General Public\n"
3733 "License as published by the Free Software Foundation; either\n"
3734 "version 2.1 of the License, or (at your option) any later version.\n"
3736 "FFmpeg is distributed in the hope that it will be useful,\n"
3737 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3738 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3739 "Lesser General Public License for more details.\n"
3741 "You should have received a copy of the GNU Lesser General Public\n"
3742 "License along with FFmpeg; if not, write to the Free Software\n"
3743 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3750 * Trivial log callback.
3751 * Only suitable for show_help and similar since it lacks prefix handling.
3753 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3755 vfprintf(stdout, fmt, vl);
3758 static void show_help(void)
3760 av_log_set_callback(log_callback_help);
3762 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3763 "Hyper fast Audio and Video encoder\n");
3765 show_help_options(options, "Main options:\n",
3766 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3767 show_help_options(options, "\nVideo options:\n",
3768 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3770 show_help_options(options, "\nAdvanced Video options:\n",
3771 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3772 OPT_VIDEO | OPT_EXPERT);
3773 show_help_options(options, "\nAudio options:\n",
3774 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3776 show_help_options(options, "\nAdvanced Audio options:\n",
3777 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3778 OPT_AUDIO | OPT_EXPERT);
3779 show_help_options(options, "\nSubtitle options:\n",
3780 OPT_SUBTITLE | OPT_GRAB,
3782 show_help_options(options, "\nAudio/Video grab options:\n",
3785 show_help_options(options, "\nAdvanced options:\n",
3786 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3788 av_opt_show(avctx_opts[0], NULL);
3789 av_opt_show(avformat_opts, NULL);
3790 av_opt_show(sws_opts, NULL);
3795 void parse_arg_file(const char *filename)
3797 opt_output_file(filename);
3800 int main(int argc, char **argv)
3807 for(i=0; i<CODEC_TYPE_NB; i++){
3808 avctx_opts[i]= avcodec_alloc_context2(i);
3810 avformat_opts = av_alloc_format_context();
3811 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3819 parse_options(argc, argv, options);
3821 /* file converter / grab */
3822 if (nb_output_files <= 0) {
3823 fprintf(stderr, "Must supply at least one output file\n");
3827 if (nb_input_files == 0) {
3828 fprintf(stderr, "Must supply at least one input file\n");
3833 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3834 stream_maps, nb_stream_maps);
3835 ti = getutime() - ti;
3837 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3841 for(i=0;i<nb_output_files;i++) {
3842 /* maybe av_close_output_file ??? */
3843 AVFormatContext *s = output_files[i];
3845 if (!(s->oformat->flags & AVFMT_NOFILE))
3847 for(j=0;j<s->nb_streams;j++) {
3848 av_free(s->streams[j]->codec);
3849 av_free(s->streams[j]);
3853 for(i=0;i<nb_input_files;i++)
3854 av_close_input_file(input_files[i]);
3858 av_free(intra_matrix);
3859 av_free(inter_matrix);
3863 av_free(vstats_filename);
3867 av_free(video_standard);
3869 #ifdef CONFIG_POWERPC_PERF
3870 extern void powerpc_display_perf_report(void);
3871 powerpc_display_perf_report();
3872 #endif /* CONFIG_POWERPC_PERF */
3874 if (received_sigterm) {
3876 "Received signal %d: terminating.\n",
3877 (int) received_sigterm);
3881 exit(0); /* not all OS-es handle main() return value */