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 opt_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 char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static float audio_drift_threshold= 0.1;
182 static int copy_ts= 0;
183 static int opt_shortest = 0; //
184 static int video_global_header = 0;
185 static char *vstats_filename;
186 static FILE *vstats_file;
188 static int rate_emu = 0;
190 static int video_channel = 0;
191 static char *video_standard;
193 static int audio_volume = 256;
195 static int using_stdin = 0;
196 static int using_vhook = 0;
197 static int verbose = 1;
198 static int thread_count= 1;
199 static int q_pressed = 0;
200 static int64_t video_size = 0;
201 static int64_t audio_size = 0;
202 static int64_t extra_size = 0;
203 static int nb_frames_dup = 0;
204 static int nb_frames_drop = 0;
205 static int input_sync;
206 static uint64_t limit_filesize = 0; //
208 static int pgmyuv_compatibility_hack=0;
209 static float dts_delta_threshold = 10;
211 static int sws_flags = SWS_BICUBIC;
213 static const char **opt_names;
214 static int opt_name_count;
215 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216 static AVFormatContext *avformat_opts;
217 static struct SwsContext *sws_opts;
218 static int64_t timer_start;
220 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
224 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
226 struct AVInputStream;
228 typedef struct AVOutputStream {
229 int file_index; /* file index */
230 int index; /* stream index in the output file */
231 int source_index; /* AVInputStream index */
232 AVStream *st; /* stream in the output file */
233 int encoding_needed; /* true if encoding needed for this stream */
235 /* input pts and corresponding output pts
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct AVInputStream *sync_ist; /* input stream to sync against */
239 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
242 AVFrame pict_tmp; /* temporary image for resampling */
243 struct SwsContext *img_resample_ctx; /* for image resampling */
247 int topBand; /* cropping area sizes */
251 int padtop; /* padding area sizes */
258 ReSampleContext *resample; /* for audio resampling */
259 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
263 typedef struct AVInputStream {
267 int discard; /* true if stream data should be discarded */
268 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
269 int64_t sample_index; /* current sample */
271 int64_t start; /* time when read started */
272 unsigned long frame; /* current frame */
273 int64_t next_pts; /* synthetic pts for cases where pkt.pts
275 int64_t pts; /* current pts */
276 int is_start; /* is 1 at the start and after a discontinuity */
279 typedef struct AVInputFile {
280 int eof_reached; /* true if eof reached */
281 int ist_index; /* index of first stream in ist_table */
282 int buffer_size; /* current total buffer size */
283 int nb_streams; /* nb streams we are aware of */
286 #ifdef HAVE_TERMIOS_H
288 /* init terminal so that we can grab keys */
289 static struct termios oldtty;
292 static void term_exit(void)
294 #ifdef HAVE_TERMIOS_H
295 tcsetattr (0, TCSANOW, &oldtty);
299 static volatile sig_atomic_t received_sigterm = 0;
302 sigterm_handler(int sig)
304 received_sigterm = sig;
308 static void term_init(void)
310 #ifdef HAVE_TERMIOS_H
316 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
317 |INLCR|IGNCR|ICRNL|IXON);
318 tty.c_oflag |= OPOST;
319 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
320 tty.c_cflag &= ~(CSIZE|PARENB);
325 tcsetattr (0, TCSANOW, &tty);
326 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
329 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
330 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
332 register a function to be called at normal program termination
335 #ifdef CONFIG_BEOS_NETSERVER
336 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
340 /* read a key without blocking */
341 static int read_key(void)
343 #if defined(HAVE_TERMIOS_H)
346 #ifndef CONFIG_BEOS_NETSERVER
354 n = select(1, &rfds, NULL, NULL, &tv);
363 #elif defined(HAVE_CONIO_H)
370 static int decode_interrupt_cb(void)
372 return q_pressed || (q_pressed = read_key() == 'q');
375 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
380 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
383 /* copy stream format */
384 s->nb_streams = ic->nb_streams;
385 for(i=0;i<ic->nb_streams;i++) {
388 // FIXME: a more elegant solution is needed
389 st = av_mallocz(sizeof(AVStream));
390 memcpy(st, ic->streams[i], sizeof(AVStream));
391 st->codec = avcodec_alloc_context();
392 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
396 av_close_input_file(ic);
401 get_sync_ipts(const AVOutputStream *ost)
403 const AVInputStream *ist = ost->sync_ist;
404 return (double)(ist->pts - start_time)/AV_TIME_BASE;
407 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
409 AVPacket new_pkt= *pkt;
410 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
411 &new_pkt.data, &new_pkt.size,
412 pkt->data, pkt->size,
413 pkt->flags & PKT_FLAG_KEY);
416 new_pkt.destruct= av_destruct_packet;
423 av_interleaved_write_frame(s, pkt);
426 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
428 static void do_audio_out(AVFormatContext *s,
431 unsigned char *buf, int size)
434 static uint8_t *audio_buf = NULL;
435 static uint8_t *audio_out = NULL;
436 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
438 int size_out, frame_bytes, ret;
439 AVCodecContext *enc= ost->st->codec;
441 /* SC: dynamic allocation of buffers */
443 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
445 audio_out = av_malloc(audio_out_size);
446 if (!audio_buf || !audio_out)
447 return; /* Should signal an error ! */
449 if(audio_sync_method){
450 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
451 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
452 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
453 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
455 //FIXME resample delay
456 if(fabs(delta) > 50){
457 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
459 byte_delta= FFMAX(byte_delta, -size);
463 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
468 static uint8_t *input_tmp= NULL;
469 input_tmp= av_realloc(input_tmp, byte_delta + size);
471 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
474 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
476 memset(input_tmp, 0, byte_delta);
477 memcpy(input_tmp + byte_delta, buf, size);
481 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
483 }else if(audio_sync_method>1){
484 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
485 assert(ost->audio_resample);
487 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
488 // 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));
489 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
493 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
494 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
496 if (ost->audio_resample) {
498 size_out = audio_resample(ost->resample,
499 (short *)buftmp, (short *)buf,
500 size / (ist->st->codec->channels * 2));
501 size_out = size_out * enc->channels * 2;
507 /* now encode as many frames as possible */
508 if (enc->frame_size > 1) {
509 /* output resampled raw samples */
510 av_fifo_write(&ost->fifo, buftmp, size_out);
512 frame_bytes = enc->frame_size * 2 * enc->channels;
514 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
516 av_init_packet(&pkt);
518 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
521 pkt.stream_index= ost->index;
524 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
525 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
526 pkt.flags |= PKT_FLAG_KEY;
527 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
529 ost->sync_opts += enc->frame_size;
533 av_init_packet(&pkt);
535 ost->sync_opts += size_out / (2 * enc->channels);
537 /* output a pcm frame */
538 /* XXX: change encoding codec API to avoid this ? */
539 switch(enc->codec->id) {
540 case CODEC_ID_PCM_S32LE:
541 case CODEC_ID_PCM_S32BE:
542 case CODEC_ID_PCM_U32LE:
543 case CODEC_ID_PCM_U32BE:
544 size_out = size_out << 1;
546 case CODEC_ID_PCM_S24LE:
547 case CODEC_ID_PCM_S24BE:
548 case CODEC_ID_PCM_U24LE:
549 case CODEC_ID_PCM_U24BE:
550 case CODEC_ID_PCM_S24DAUD:
551 size_out = size_out / 2 * 3;
553 case CODEC_ID_PCM_S16LE:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_U16LE:
556 case CODEC_ID_PCM_U16BE:
559 size_out = size_out >> 1;
562 ret = avcodec_encode_audio(enc, audio_out, size_out,
565 pkt.stream_index= ost->index;
568 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
569 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
570 pkt.flags |= PKT_FLAG_KEY;
571 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
575 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
579 AVPicture picture_tmp;
582 dec = ist->st->codec;
584 /* deinterlace : must be done before any resize */
585 if (do_deinterlace || using_vhook) {
588 /* create temporary picture */
589 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
590 buf = av_malloc(size);
594 picture2 = &picture_tmp;
595 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
598 if(avpicture_deinterlace(picture2, picture,
599 dec->pix_fmt, dec->width, dec->height) < 0) {
600 /* if error, do not deinterlace */
606 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
613 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
614 1000000 * ist->pts / AV_TIME_BASE);
616 if (picture != picture2)
617 *picture = *picture2;
621 /* we begin to correct av delay at this threshold */
622 #define AV_DELAY_MAX 0.100
624 static void do_subtitle_out(AVFormatContext *s,
630 static uint8_t *subtitle_out = NULL;
631 int subtitle_out_max_size = 65536;
632 int subtitle_out_size, nb, i;
636 if (pts == AV_NOPTS_VALUE) {
637 fprintf(stderr, "Subtitle packets must have a pts\n");
641 enc = ost->st->codec;
644 subtitle_out = av_malloc(subtitle_out_max_size);
647 /* Note: DVB subtitle need one packet to draw them and one other
648 packet to clear them */
649 /* XXX: signal it in the codec context ? */
650 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
655 for(i = 0; i < nb; i++) {
656 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
657 subtitle_out_max_size, sub);
659 av_init_packet(&pkt);
660 pkt.stream_index = ost->index;
661 pkt.data = subtitle_out;
662 pkt.size = subtitle_out_size;
663 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
664 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
665 /* XXX: the pts correction is handled here. Maybe handling
666 it in the codec would be better */
668 pkt.pts += 90 * sub->start_display_time;
670 pkt.pts += 90 * sub->end_display_time;
672 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
676 static int bit_buffer_size= 1024*256;
677 static uint8_t *bit_buffer= NULL;
679 static void do_video_out(AVFormatContext *s,
685 int nb_frames, i, ret;
686 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
687 AVFrame picture_crop_temp, picture_pad_temp;
688 AVCodecContext *enc, *dec;
690 avcodec_get_frame_defaults(&picture_crop_temp);
691 avcodec_get_frame_defaults(&picture_pad_temp);
693 enc = ost->st->codec;
694 dec = ist->st->codec;
696 /* by default, we output a single frame */
701 if(video_sync_method){
703 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
704 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
707 else if (vdelta > 1.1)
708 nb_frames = lrintf(vdelta);
709 //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);
713 fprintf(stderr, "*** drop!\n");
714 }else if (nb_frames > 1) {
715 nb_frames_dup += nb_frames;
717 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
720 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
722 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
726 if (ost->video_crop) {
727 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
728 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
731 formatted_picture = &picture_crop_temp;
733 formatted_picture = in_picture;
736 final_picture = formatted_picture;
737 padding_src = formatted_picture;
738 resampling_dst = &ost->pict_tmp;
739 if (ost->video_pad) {
740 final_picture = &ost->pict_tmp;
741 if (ost->video_resample) {
742 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
743 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
746 resampling_dst = &picture_pad_temp;
750 if (ost->video_resample) {
752 final_picture = &ost->pict_tmp;
753 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
754 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
757 if (ost->video_pad) {
758 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
759 enc->height, enc->width, enc->pix_fmt,
760 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
763 /* duplicates frame if needed */
764 for(i=0;i<nb_frames;i++) {
766 av_init_packet(&pkt);
767 pkt.stream_index= ost->index;
769 if (s->oformat->flags & AVFMT_RAWPICTURE) {
770 /* raw pictures are written as AVPicture structure to
771 avoid any copies. We support temorarily the older
773 AVFrame* old_frame = enc->coded_frame;
774 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
775 pkt.data= (uint8_t *)final_picture;
776 pkt.size= sizeof(AVPicture);
777 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779 if(dec->coded_frame && dec->coded_frame->key_frame)
780 pkt.flags |= PKT_FLAG_KEY;
782 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
783 enc->coded_frame = old_frame;
787 big_picture= *final_picture;
788 /* better than nothing: use input picture interlaced
790 big_picture.interlaced_frame = in_picture->interlaced_frame;
791 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
792 if(top_field_first == -1)
793 big_picture.top_field_first = in_picture->top_field_first;
795 big_picture.top_field_first = top_field_first;
798 /* handles sameq here. This is not correct because it may
799 not be a global option */
801 big_picture.quality = ist->st->quality;
803 big_picture.quality = ost->st->quality;
805 big_picture.pict_type = 0;
806 // big_picture.pts = AV_NOPTS_VALUE;
807 big_picture.pts= ost->sync_opts;
808 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
809 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
810 ret = avcodec_encode_video(enc,
811 bit_buffer, bit_buffer_size,
814 fprintf(stderr, "Video encoding failed\n");
817 //enc->frame_number = enc->real_pict_num;
819 pkt.data= bit_buffer;
821 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
822 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
823 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
824 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
825 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
827 if(enc->coded_frame && enc->coded_frame->key_frame)
828 pkt.flags |= PKT_FLAG_KEY;
829 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
831 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
832 // enc->frame_number-1, enc->real_pict_num, ret,
834 /* if two pass, output log */
835 if (ost->logfile && enc->stats_out) {
836 fprintf(ost->logfile, "%s", enc->stats_out);
845 static double psnr(double d){
846 if(d==0) return INFINITY;
847 return -10.0*log(d)/log(10.0);
850 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
855 double ti1, bitrate, avg_bitrate;
857 /* this is executed just the first time do_video_stats is called */
859 vstats_file = fopen(vstats_filename, "w");
866 enc = ost->st->codec;
867 if (enc->codec_type == CODEC_TYPE_VIDEO) {
868 frame_number = ost->frame_number;
869 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870 if (enc->flags&CODEC_FLAG_PSNR)
871 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
873 fprintf(vstats_file,"f_size= %6d ", frame_size);
874 /* compute pts value */
875 ti1 = ost->sync_opts * av_q2d(enc->time_base);
879 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
880 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
881 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
882 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
883 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
887 static void print_report(AVFormatContext **output_files,
888 AVOutputStream **ost_table, int nb_ostreams,
893 AVFormatContext *oc, *os;
896 int frame_number, vid, i;
897 double bitrate, ti1, pts;
898 static int64_t last_time = -1;
899 static int qp_histogram[52];
901 if (!is_last_report) {
903 /* display the report every 0.5 seconds */
904 cur_time = av_gettime();
905 if (last_time == -1) {
906 last_time = cur_time;
909 if ((cur_time - last_time) < 500000)
911 last_time = cur_time;
915 oc = output_files[0];
917 total_size = url_fsize(&oc->pb);
918 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
919 total_size= url_ftell(&oc->pb);
924 for(i=0;i<nb_ostreams;i++) {
926 os = output_files[ost->file_index];
927 enc = ost->st->codec;
928 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
929 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
930 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
932 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
933 float t = (av_gettime()-timer_start) / 1000000.0;
935 frame_number = ost->frame_number;
936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
937 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
938 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
940 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
941 if(qp_hist && enc->coded_frame){
943 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
949 if (enc->flags&CODEC_FLAG_PSNR){
951 double error, error_sum=0;
952 double scale, scale_sum=0;
953 char type[3]= {'Y','U','V'};
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
957 error= enc->error[j];
958 scale= enc->width*enc->height*255.0*255.0*frame_number;
960 error= enc->coded_frame->error[j];
961 scale= enc->width*enc->height*255.0*255.0;
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
968 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
972 /* compute min output value */
973 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
974 if ((pts < ti1) && (pts > 0))
980 if (verbose || is_last_report) {
981 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
984 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
985 (double)total_size / 1024, ti1, bitrate);
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
989 nb_frames_dup, nb_frames_drop);
992 fprintf(stderr, "%s \r", buf);
997 if (is_last_report && verbose >= 0){
998 int64_t raw= audio_size + video_size + extra_size;
999 fprintf(stderr, "\n");
1000 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1004 100.0*(total_size - raw)/raw
1009 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1010 static int output_packet(AVInputStream *ist, int ist_index,
1011 AVOutputStream **ost_table, int nb_ostreams,
1012 const AVPacket *pkt)
1014 AVFormatContext *os;
1015 AVOutputStream *ost;
1019 int data_size, got_picture;
1021 void *buffer_to_free;
1022 static unsigned int samples_size= 0;
1023 static short *samples= NULL;
1024 AVSubtitle subtitle, *subtitle_to_free;
1028 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1029 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1030 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1032 // assert(ist->pts == ist->next_pts);
1046 /* decode the packet if needed */
1047 data_buf = NULL; /* fail safe */
1049 subtitle_to_free = NULL;
1050 if (ist->decoding_needed) {
1051 switch(ist->st->codec->codec_type) {
1052 case CODEC_TYPE_AUDIO:{
1054 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1055 data_size= samples_size;
1056 /* XXX: could avoid copy if PCM 16 bits with same
1057 endianness as CPU */
1058 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1064 /* Some bug in mpeg audio decoder gives */
1065 /* data_size < 0, it seems they are overflows */
1066 if (data_size <= 0) {
1067 /* no audio frame */
1070 data_buf = (uint8_t *)samples;
1071 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1072 (ist->st->codec->sample_rate * ist->st->codec->channels);
1074 case CODEC_TYPE_VIDEO:
1075 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1076 /* XXX: allocate picture correctly */
1077 avcodec_get_frame_defaults(&picture);
1079 ret = avcodec_decode_video(ist->st->codec,
1080 &picture, &got_picture, ptr, len);
1081 ist->st->quality= picture.quality;
1085 /* no picture yet */
1086 goto discard_packet;
1088 if (ist->st->codec->time_base.num != 0) {
1089 ist->next_pts += ((int64_t)AV_TIME_BASE *
1090 ist->st->codec->time_base.num) /
1091 ist->st->codec->time_base.den;
1095 case CODEC_TYPE_SUBTITLE:
1096 ret = avcodec_decode_subtitle(ist->st->codec,
1097 &subtitle, &got_subtitle, ptr, len);
1100 if (!got_subtitle) {
1101 goto discard_packet;
1103 subtitle_to_free = &subtitle;
1110 switch(ist->st->codec->codec_type) {
1111 case CODEC_TYPE_AUDIO:
1112 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1113 (ist->st->codec->sample_rate * ist->st->codec->channels);
1115 case CODEC_TYPE_VIDEO:
1116 if (ist->st->codec->time_base.num != 0) {
1117 ist->next_pts += ((int64_t)AV_TIME_BASE *
1118 ist->st->codec->time_base.num) /
1119 ist->st->codec->time_base.den;
1129 buffer_to_free = NULL;
1130 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1131 pre_process_video_frame(ist, (AVPicture *)&picture,
1135 // preprocess audio (volume)
1136 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1137 if (audio_volume != 256) {
1140 for(i=0;i<(data_size / sizeof(short));i++) {
1141 int v = ((*volp) * audio_volume + 128) >> 8;
1142 if (v < -32768) v = -32768;
1143 if (v > 32767) v = 32767;
1149 /* frame rate emulation */
1150 if (ist->st->codec->rate_emu) {
1151 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1152 int64_t now = av_gettime() - ist->start;
1160 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1161 is the one of the next displayed one */
1162 /* XXX: add mpeg4 too ? */
1163 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1164 if (ist->st->codec->pict_type != B_TYPE) {
1166 tmp = ist->last_ip_pts;
1167 ist->last_ip_pts = ist->frac_pts.val;
1168 ist->frac_pts.val = tmp;
1172 /* if output time reached then transcode raw format,
1173 encode packets and output them */
1174 if (start_time == 0 || ist->pts >= start_time)
1175 for(i=0;i<nb_ostreams;i++) {
1179 if (ost->source_index == ist_index) {
1180 os = output_files[ost->file_index];
1183 printf("%d: got pts=%0.3f %0.3f\n", i,
1184 (double)pkt->pts / AV_TIME_BASE,
1185 ((double)ist->pts / AV_TIME_BASE) -
1186 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1188 /* set the input output pts pairs */
1189 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1191 if (ost->encoding_needed) {
1192 switch(ost->st->codec->codec_type) {
1193 case CODEC_TYPE_AUDIO:
1194 do_audio_out(os, ost, ist, data_buf, data_size);
1196 case CODEC_TYPE_VIDEO:
1197 do_video_out(os, ost, ist, &picture, &frame_size);
1198 video_size += frame_size;
1199 if (vstats_filename && frame_size)
1200 do_video_stats(os, ost, frame_size);
1202 case CODEC_TYPE_SUBTITLE:
1203 do_subtitle_out(os, ost, ist, &subtitle,
1210 AVFrame avframe; //FIXME/XXX remove this
1212 av_init_packet(&opkt);
1214 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1217 /* no reencoding needed : output the packet directly */
1218 /* force the input stream PTS */
1220 avcodec_get_frame_defaults(&avframe);
1221 ost->st->codec->coded_frame= &avframe;
1222 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1224 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1225 audio_size += data_size;
1226 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1227 video_size += data_size;
1231 opkt.stream_index= ost->index;
1232 if(pkt->pts != AV_NOPTS_VALUE)
1233 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1235 opkt.pts= AV_NOPTS_VALUE;
1237 if (pkt->dts == AV_NOPTS_VALUE)
1238 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1240 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1242 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1243 opkt.flags= pkt->flags;
1245 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1246 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1247 opkt.destruct= av_destruct_packet;
1249 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1250 ost->st->codec->frame_number++;
1251 ost->frame_number++;
1252 av_free_packet(&opkt);
1256 av_free(buffer_to_free);
1257 /* XXX: allocate the subtitles in the codec ? */
1258 if (subtitle_to_free) {
1259 if (subtitle_to_free->rects != NULL) {
1260 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1261 av_free(subtitle_to_free->rects[i].bitmap);
1262 av_free(subtitle_to_free->rects[i].rgba_palette);
1264 av_freep(&subtitle_to_free->rects);
1266 subtitle_to_free->num_rects = 0;
1267 subtitle_to_free = NULL;
1274 for(i=0;i<nb_ostreams;i++) {
1276 if (ost->source_index == ist_index) {
1277 AVCodecContext *enc= ost->st->codec;
1278 os = output_files[ost->file_index];
1280 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1282 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1285 if (ost->encoding_needed) {
1289 av_init_packet(&pkt);
1290 pkt.stream_index= ost->index;
1292 switch(ost->st->codec->codec_type) {
1293 case CODEC_TYPE_AUDIO:
1294 fifo_bytes = av_fifo_size(&ost->fifo);
1296 /* encode any samples remaining in fifo */
1297 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1298 int fs_tmp = enc->frame_size;
1299 enc->frame_size = fifo_bytes / (2 * enc->channels);
1300 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1301 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1303 enc->frame_size = fs_tmp;
1306 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1309 pkt.flags |= PKT_FLAG_KEY;
1311 case CODEC_TYPE_VIDEO:
1312 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1314 if(enc->coded_frame && enc->coded_frame->key_frame)
1315 pkt.flags |= PKT_FLAG_KEY;
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1326 pkt.data= bit_buffer;
1328 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1329 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1330 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1342 static void print_sdp(AVFormatContext **avc, int n)
1346 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1347 printf("SDP:\n%s\n", sdp);
1351 * The following code is the main loop of the file converter
1353 static int av_encode(AVFormatContext **output_files,
1354 int nb_output_files,
1355 AVFormatContext **input_files,
1357 AVStreamMap *stream_maps, int nb_stream_maps)
1359 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1360 AVFormatContext *is, *os;
1361 AVCodecContext *codec, *icodec;
1362 AVOutputStream *ost, **ost_table = NULL;
1363 AVInputStream *ist, **ist_table = NULL;
1364 AVInputFile *file_table;
1368 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1372 /* input stream init */
1374 for(i=0;i<nb_input_files;i++) {
1375 is = input_files[i];
1376 file_table[i].ist_index = j;
1377 file_table[i].nb_streams = is->nb_streams;
1378 j += is->nb_streams;
1382 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1386 for(i=0;i<nb_istreams;i++) {
1387 ist = av_mallocz(sizeof(AVInputStream));
1393 for(i=0;i<nb_input_files;i++) {
1394 is = input_files[i];
1395 for(k=0;k<is->nb_streams;k++) {
1396 ist = ist_table[j++];
1397 ist->st = is->streams[k];
1398 ist->file_index = i;
1400 ist->discard = 1; /* the stream is discarded by default
1403 if (ist->st->codec->rate_emu) {
1404 ist->start = av_gettime();
1410 /* output stream init */
1412 for(i=0;i<nb_output_files;i++) {
1413 os = output_files[i];
1414 if (!os->nb_streams) {
1415 fprintf(stderr, "Output file does not contain any stream\n");
1418 nb_ostreams += os->nb_streams;
1420 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1421 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1425 /* Sanity check the mapping args -- do the input files & streams exist? */
1426 for(i=0;i<nb_stream_maps;i++) {
1427 int fi = stream_maps[i].file_index;
1428 int si = stream_maps[i].stream_index;
1430 if (fi < 0 || fi > nb_input_files - 1 ||
1431 si < 0 || si > file_table[fi].nb_streams - 1) {
1432 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1435 fi = stream_maps[i].sync_file_index;
1436 si = stream_maps[i].sync_stream_index;
1437 if (fi < 0 || fi > nb_input_files - 1 ||
1438 si < 0 || si > file_table[fi].nb_streams - 1) {
1439 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1444 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1447 for(i=0;i<nb_ostreams;i++) {
1448 ost = av_mallocz(sizeof(AVOutputStream));
1455 for(k=0;k<nb_output_files;k++) {
1456 os = output_files[k];
1457 for(i=0;i<os->nb_streams;i++) {
1459 ost = ost_table[n++];
1460 ost->file_index = k;
1462 ost->st = os->streams[i];
1463 if (nb_stream_maps > 0) {
1464 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1465 stream_maps[n-1].stream_index;
1467 /* Sanity check that the stream types match */
1468 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1469 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1470 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1471 ost->file_index, ost->index);
1476 /* get corresponding input stream index : we select the first one with the right type */
1478 for(j=0;j<nb_istreams;j++) {
1481 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1482 ost->source_index = j;
1489 /* try again and reuse existing stream */
1490 for(j=0;j<nb_istreams;j++) {
1492 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1493 ost->source_index = j;
1498 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1499 ost->file_index, ost->index);
1504 ist = ist_table[ost->source_index];
1506 ost->sync_ist = (nb_stream_maps > 0) ?
1507 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1508 stream_maps[n-1].sync_stream_index] : ist;
1512 /* for each output stream, we compute the right encoding parameters */
1513 for(i=0;i<nb_ostreams;i++) {
1515 os = output_files[ost->file_index];
1516 ist = ist_table[ost->source_index];
1518 codec = ost->st->codec;
1519 icodec = ist->st->codec;
1521 if (!ost->st->language[0])
1522 av_strlcpy(ost->st->language, ist->st->language,
1523 sizeof(ost->st->language));
1525 if (ost->st->stream_copy) {
1526 /* if stream_copy is selected, no need to decode or encode */
1527 codec->codec_id = icodec->codec_id;
1528 codec->codec_type = icodec->codec_type;
1530 if(!codec->codec_tag){
1531 if( !os->oformat->codec_tag
1532 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1533 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1534 codec->codec_tag = icodec->codec_tag;
1537 codec->bit_rate = icodec->bit_rate;
1538 codec->extradata= icodec->extradata;
1539 codec->extradata_size= icodec->extradata_size;
1540 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1541 codec->time_base = icodec->time_base;
1543 codec->time_base = ist->st->time_base;
1544 switch(codec->codec_type) {
1545 case CODEC_TYPE_AUDIO:
1546 codec->sample_rate = icodec->sample_rate;
1547 codec->channels = icodec->channels;
1548 codec->frame_size = icodec->frame_size;
1549 codec->block_align= icodec->block_align;
1550 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1551 codec->block_align= 0;
1553 case CODEC_TYPE_VIDEO:
1555 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1558 codec->pix_fmt = icodec->pix_fmt;
1559 codec->width = icodec->width;
1560 codec->height = icodec->height;
1561 codec->has_b_frames = icodec->has_b_frames;
1563 case CODEC_TYPE_SUBTITLE:
1569 switch(codec->codec_type) {
1570 case CODEC_TYPE_AUDIO:
1571 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1574 if (codec->channels == icodec->channels &&
1575 codec->sample_rate == icodec->sample_rate) {
1576 ost->audio_resample = 0;
1578 if (codec->channels != icodec->channels &&
1579 (icodec->codec_id == CODEC_ID_AC3 ||
1580 icodec->codec_id == CODEC_ID_DTS)) {
1581 /* Special case for 5:1 AC3 and DTS input */
1582 /* and mono or stereo output */
1583 /* Request specific number of channels */
1584 icodec->channels = codec->channels;
1585 if (codec->sample_rate == icodec->sample_rate)
1586 ost->audio_resample = 0;
1588 ost->audio_resample = 1;
1591 ost->audio_resample = 1;
1594 if(audio_sync_method>1)
1595 ost->audio_resample = 1;
1597 if(ost->audio_resample){
1598 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1599 codec->sample_rate, icodec->sample_rate);
1601 printf("Can't resample. Aborting.\n");
1605 ist->decoding_needed = 1;
1606 ost->encoding_needed = 1;
1608 case CODEC_TYPE_VIDEO:
1609 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1610 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1611 ost->video_resample = ((codec->width != icodec->width -
1612 (frame_leftBand + frame_rightBand) +
1613 (frame_padleft + frame_padright)) ||
1614 (codec->height != icodec->height -
1615 (frame_topBand + frame_bottomBand) +
1616 (frame_padtop + frame_padbottom)) ||
1617 (codec->pix_fmt != icodec->pix_fmt));
1618 if (ost->video_crop) {
1619 ost->topBand = frame_topBand;
1620 ost->leftBand = frame_leftBand;
1622 if (ost->video_pad) {
1623 ost->padtop = frame_padtop;
1624 ost->padleft = frame_padleft;
1625 ost->padbottom = frame_padbottom;
1626 ost->padright = frame_padright;
1627 if (!ost->video_resample) {
1628 avcodec_get_frame_defaults(&ost->pict_tmp);
1629 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1630 codec->width, codec->height ) )
1634 if (ost->video_resample) {
1635 avcodec_get_frame_defaults(&ost->pict_tmp);
1636 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1637 codec->width, codec->height ) ) {
1638 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1641 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1642 ost->img_resample_ctx = sws_getContext(
1643 icodec->width - (frame_leftBand + frame_rightBand),
1644 icodec->height - (frame_topBand + frame_bottomBand),
1646 codec->width - (frame_padleft + frame_padright),
1647 codec->height - (frame_padtop + frame_padbottom),
1649 sws_flags, NULL, NULL, NULL);
1650 if (ost->img_resample_ctx == NULL) {
1651 fprintf(stderr, "Cannot get resampling context\n");
1654 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1656 ost->encoding_needed = 1;
1657 ist->decoding_needed = 1;
1659 case CODEC_TYPE_SUBTITLE:
1660 ost->encoding_needed = 1;
1661 ist->decoding_needed = 1;
1668 if (ost->encoding_needed &&
1669 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1670 char logfilename[1024];
1675 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1677 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1678 if (codec->flags & CODEC_FLAG_PASS1) {
1679 f = fopen(logfilename, "w");
1681 perror(logfilename);
1686 /* read the log file */
1687 f = fopen(logfilename, "r");
1689 perror(logfilename);
1692 fseek(f, 0, SEEK_END);
1694 fseek(f, 0, SEEK_SET);
1695 logbuffer = av_malloc(size + 1);
1697 fprintf(stderr, "Could not allocate log buffer\n");
1700 size = fread(logbuffer, 1, size, f);
1702 logbuffer[size] = '\0';
1703 codec->stats_in = logbuffer;
1707 if(codec->codec_type == CODEC_TYPE_VIDEO){
1708 int size= codec->width * codec->height;
1709 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1714 bit_buffer = av_malloc(bit_buffer_size);
1718 /* dump the file output parameters - cannot be done before in case
1720 for(i=0;i<nb_output_files;i++) {
1721 dump_format(output_files[i], i, output_files[i]->filename, 1);
1724 /* dump the stream mapping */
1726 fprintf(stderr, "Stream mapping:\n");
1727 for(i=0;i<nb_ostreams;i++) {
1729 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1730 ist_table[ost->source_index]->file_index,
1731 ist_table[ost->source_index]->index,
1734 if (ost->sync_ist != ist_table[ost->source_index])
1735 fprintf(stderr, " [sync #%d.%d]",
1736 ost->sync_ist->file_index,
1737 ost->sync_ist->index);
1738 fprintf(stderr, "\n");
1742 /* open each encoder */
1743 for(i=0;i<nb_ostreams;i++) {
1745 if (ost->encoding_needed) {
1747 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1749 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1750 ost->file_index, ost->index);
1753 if (avcodec_open(ost->st->codec, codec) < 0) {
1754 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1755 ost->file_index, ost->index);
1758 extra_size += ost->st->codec->extradata_size;
1762 /* open each decoder */
1763 for(i=0;i<nb_istreams;i++) {
1765 if (ist->decoding_needed) {
1767 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1769 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1770 ist->st->codec->codec_id, ist->file_index, ist->index);
1773 if (avcodec_open(ist->st->codec, codec) < 0) {
1774 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1775 ist->file_index, ist->index);
1778 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1779 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1784 for(i=0;i<nb_istreams;i++) {
1786 is = input_files[ist->file_index];
1789 if( input_files_ts_offset[ist->file_index] != -is->start_time
1790 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1791 ist->next_pts= AV_NOPTS_VALUE;
1795 /* set meta data information from input file if required */
1796 for (i=0;i<nb_meta_data_maps;i++) {
1797 AVFormatContext *out_file;
1798 AVFormatContext *in_file;
1800 int out_file_index = meta_data_maps[i].out_file;
1801 int in_file_index = meta_data_maps[i].in_file;
1802 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1803 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1804 ret = AVERROR(EINVAL);
1807 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1808 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1809 ret = AVERROR(EINVAL);
1813 out_file = output_files[out_file_index];
1814 in_file = input_files[in_file_index];
1816 strcpy(out_file->title, in_file->title);
1817 strcpy(out_file->author, in_file->author);
1818 strcpy(out_file->copyright, in_file->copyright);
1819 strcpy(out_file->comment, in_file->comment);
1820 strcpy(out_file->album, in_file->album);
1821 out_file->year = in_file->year;
1822 out_file->track = in_file->track;
1823 strcpy(out_file->genre, in_file->genre);
1826 /* open files and write file headers */
1827 for(i=0;i<nb_output_files;i++) {
1828 os = output_files[i];
1829 if (av_write_header(os) < 0) {
1830 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1831 ret = AVERROR(EINVAL);
1834 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1839 print_sdp(output_files, nb_output_files);
1842 if ( !using_stdin && verbose >= 0) {
1843 fprintf(stderr, "Press [q] to stop encoding\n");
1844 url_set_interrupt_cb(decode_interrupt_cb);
1849 timer_start = av_gettime();
1851 for(; received_sigterm == 0;) {
1852 int file_index, ist_index;
1860 /* if 'q' pressed, exits */
1864 /* read_key() returns 0 on EOF */
1870 /* select the stream that we must read now by looking at the
1871 smallest output pts */
1873 for(i=0;i<nb_ostreams;i++) {
1876 os = output_files[ost->file_index];
1877 ist = ist_table[ost->source_index];
1878 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1879 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1881 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1882 ipts = (double)ist->pts;
1883 if (!file_table[ist->file_index].eof_reached){
1884 if(ipts < ipts_min) {
1886 if(input_sync ) file_index = ist->file_index;
1888 if(opts < opts_min) {
1890 if(!input_sync) file_index = ist->file_index;
1893 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1898 /* if none, if is finished */
1899 if (file_index < 0) {
1903 /* finish if recording time exhausted */
1904 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1907 /* finish if limit size exhausted */
1908 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1911 /* read a frame from it and output it in the fifo */
1912 is = input_files[file_index];
1913 if (av_read_frame(is, &pkt) < 0) {
1914 file_table[file_index].eof_reached = 1;
1922 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1924 /* the following test is needed in case new streams appear
1925 dynamically in stream : we ignore them */
1926 if (pkt.stream_index >= file_table[file_index].nb_streams)
1927 goto discard_packet;
1928 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1929 ist = ist_table[ist_index];
1931 goto discard_packet;
1933 if (pkt.dts != AV_NOPTS_VALUE)
1934 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1935 if (pkt.pts != AV_NOPTS_VALUE)
1936 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1938 // 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);
1939 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1940 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1941 int64_t delta= pkt_dts - ist->next_pts;
1942 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1943 input_files_ts_offset[ist->file_index]-= delta;
1945 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1946 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1947 if(pkt.pts != AV_NOPTS_VALUE)
1948 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1952 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1953 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1956 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1957 ist->file_index, ist->index);
1959 av_free_packet(&pkt);
1964 av_free_packet(&pkt);
1966 /* dump report by using the output first video and audio streams */
1967 print_report(output_files, ost_table, nb_ostreams, 0);
1970 /* at the end of stream, we must flush the decoder buffers */
1971 for(i=0;i<nb_istreams;i++) {
1973 if (ist->decoding_needed) {
1974 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1980 /* write the trailer if needed and close file */
1981 for(i=0;i<nb_output_files;i++) {
1982 os = output_files[i];
1983 av_write_trailer(os);
1986 /* dump report by using the first video and audio streams */
1987 print_report(output_files, ost_table, nb_ostreams, 1);
1989 /* close each encoder */
1990 for(i=0;i<nb_ostreams;i++) {
1992 if (ost->encoding_needed) {
1993 av_freep(&ost->st->codec->stats_in);
1994 avcodec_close(ost->st->codec);
1998 /* close each decoder */
1999 for(i=0;i<nb_istreams;i++) {
2001 if (ist->decoding_needed) {
2002 avcodec_close(ist->st->codec);
2010 av_freep(&bit_buffer);
2011 av_free(file_table);
2014 for(i=0;i<nb_istreams;i++) {
2021 for(i=0;i<nb_ostreams;i++) {
2025 fclose(ost->logfile);
2026 ost->logfile = NULL;
2028 av_fifo_free(&ost->fifo); /* works even if fifo is not
2029 initialized but set to zero */
2030 av_free(ost->pict_tmp.data[0]);
2031 if (ost->video_resample)
2032 sws_freeContext(ost->img_resample_ctx);
2033 if (ost->audio_resample)
2034 audio_resample_close(ost->resample);
2042 ret = AVERROR(ENOMEM);
2047 int file_read(const char *filename)
2050 unsigned char buffer[1024];
2053 if (url_open(&h, filename, O_RDONLY) < 0) {
2054 printf("could not open '%s'\n", filename);
2058 len = url_read(h, buffer, sizeof(buffer));
2061 for(i=0;i<len;i++) putchar(buffer[i]);
2068 static void opt_format(const char *arg)
2070 /* compatibility stuff for pgmyuv */
2071 if (!strcmp(arg, "pgmyuv")) {
2072 pgmyuv_compatibility_hack=1;
2073 // opt_image_format(arg);
2075 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2078 file_iformat = av_find_input_format(arg);
2079 file_oformat = guess_format(arg, NULL, NULL);
2080 if (!file_iformat && !file_oformat) {
2081 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2086 static void opt_video_rc_eq(char *arg)
2091 static void opt_video_rc_override_string(char *arg)
2093 video_rc_override_string = arg;
2096 static void opt_me_threshold(const char *arg)
2098 me_threshold = atoi(arg);
2101 static void opt_verbose(const char *arg)
2103 verbose = atoi(arg);
2104 av_log_level = atoi(arg);
2107 static void opt_frame_rate(const char *arg)
2109 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2110 fprintf(stderr, "Incorrect frame rate\n");
2115 static void opt_frame_crop_top(const char *arg)
2117 frame_topBand = atoi(arg);
2118 if (frame_topBand < 0) {
2119 fprintf(stderr, "Incorrect top crop size\n");
2122 if ((frame_topBand % 2) != 0) {
2123 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2126 if ((frame_topBand) >= frame_height){
2127 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2130 frame_height -= frame_topBand;
2133 static void opt_frame_crop_bottom(const char *arg)
2135 frame_bottomBand = atoi(arg);
2136 if (frame_bottomBand < 0) {
2137 fprintf(stderr, "Incorrect bottom crop size\n");
2140 if ((frame_bottomBand % 2) != 0) {
2141 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2144 if ((frame_bottomBand) >= frame_height){
2145 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2148 frame_height -= frame_bottomBand;
2151 static void opt_frame_crop_left(const char *arg)
2153 frame_leftBand = atoi(arg);
2154 if (frame_leftBand < 0) {
2155 fprintf(stderr, "Incorrect left crop size\n");
2158 if ((frame_leftBand % 2) != 0) {
2159 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2162 if ((frame_leftBand) >= frame_width){
2163 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2166 frame_width -= frame_leftBand;
2169 static void opt_frame_crop_right(const char *arg)
2171 frame_rightBand = atoi(arg);
2172 if (frame_rightBand < 0) {
2173 fprintf(stderr, "Incorrect right crop size\n");
2176 if ((frame_rightBand % 2) != 0) {
2177 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2180 if ((frame_rightBand) >= frame_width){
2181 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2184 frame_width -= frame_rightBand;
2187 static void opt_frame_size(const char *arg)
2189 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2190 fprintf(stderr, "Incorrect frame size\n");
2193 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2194 fprintf(stderr, "Frame size must be a multiple of 2\n");
2200 #define SCALEBITS 10
2201 #define ONE_HALF (1 << (SCALEBITS - 1))
2202 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2204 #define RGB_TO_Y(r, g, b) \
2205 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2206 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2208 #define RGB_TO_U(r1, g1, b1, shift)\
2209 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2210 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2212 #define RGB_TO_V(r1, g1, b1, shift)\
2213 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2214 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2216 static void opt_pad_color(const char *arg) {
2217 /* Input is expected to be six hex digits similar to
2218 how colors are expressed in html tags (but without the #) */
2219 int rgb = strtol(arg, NULL, 16);
2223 g = ((rgb >> 8) & 255);
2226 padcolor[0] = RGB_TO_Y(r,g,b);
2227 padcolor[1] = RGB_TO_U(r,g,b,0);
2228 padcolor[2] = RGB_TO_V(r,g,b,0);
2231 static void opt_frame_pad_top(const char *arg)
2233 frame_padtop = atoi(arg);
2234 if (frame_padtop < 0) {
2235 fprintf(stderr, "Incorrect top pad size\n");
2238 if ((frame_padtop % 2) != 0) {
2239 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2244 static void opt_frame_pad_bottom(const char *arg)
2246 frame_padbottom = atoi(arg);
2247 if (frame_padbottom < 0) {
2248 fprintf(stderr, "Incorrect bottom pad size\n");
2251 if ((frame_padbottom % 2) != 0) {
2252 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2258 static void opt_frame_pad_left(const char *arg)
2260 frame_padleft = atoi(arg);
2261 if (frame_padleft < 0) {
2262 fprintf(stderr, "Incorrect left pad size\n");
2265 if ((frame_padleft % 2) != 0) {
2266 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2272 static void opt_frame_pad_right(const char *arg)
2274 frame_padright = atoi(arg);
2275 if (frame_padright < 0) {
2276 fprintf(stderr, "Incorrect right pad size\n");
2279 if ((frame_padright % 2) != 0) {
2280 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2285 void list_pix_fmts(void)
2288 char pix_fmt_str[128];
2289 for (i=-1; i < PIX_FMT_NB; i++) {
2290 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2291 fprintf(stdout, "%s\n", pix_fmt_str);
2295 static void opt_frame_pix_fmt(const char *arg)
2297 if (strcmp(arg, "list"))
2298 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2305 static void opt_frame_aspect_ratio(const char *arg)
2311 p = strchr(arg, ':');
2313 x = strtol(arg, (char **)&arg, 10);
2315 y = strtol(arg+1, (char **)&arg, 10);
2317 ar = (double)x / (double)y;
2319 ar = strtod(arg, (char **)&arg);
2322 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2325 frame_aspect_ratio = ar;
2328 static void opt_qscale(const char *arg)
2330 video_qscale = atof(arg);
2331 if (video_qscale <= 0 ||
2332 video_qscale > 255) {
2333 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2338 static void opt_qdiff(const char *arg)
2340 video_qdiff = atoi(arg);
2341 if (video_qdiff < 0 ||
2343 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2348 static void opt_strict(const char *arg)
2353 static void opt_top_field_first(const char *arg)
2355 top_field_first= atoi(arg);
2358 static void opt_thread_count(const char *arg)
2360 thread_count= atoi(arg);
2361 #if !defined(HAVE_THREADS)
2363 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2367 static void opt_audio_rate(const char *arg)
2369 audio_sample_rate = atoi(arg);
2372 static void opt_audio_channels(const char *arg)
2374 audio_channels = atoi(arg);
2377 static void opt_video_channel(const char *arg)
2379 video_channel = strtol(arg, NULL, 0);
2382 static void opt_video_standard(const char *arg)
2384 video_standard = av_strdup(arg);
2387 static void opt_codec(int *pstream_copy, char **pcodec_name,
2388 int codec_type, const char *arg)
2390 av_freep(pcodec_name);
2391 if (!strcmp(arg, "copy")) {
2394 *pcodec_name = av_strdup(arg);
2398 static void opt_audio_codec(const char *arg)
2400 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2403 static void opt_audio_tag(const char *arg)
2406 audio_codec_tag= strtol(arg, &tail, 0);
2409 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2412 static void opt_video_tag(const char *arg)
2415 video_codec_tag= strtol(arg, &tail, 0);
2418 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2422 static void add_frame_hooker(const char *arg)
2427 char *args = av_strdup(arg);
2431 argv[0] = strtok(args, " ");
2432 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2435 i = frame_hook_add(argc, argv);
2438 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2444 static void opt_video_codec(const char *arg)
2446 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2449 static void opt_subtitle_codec(const char *arg)
2451 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2454 static void opt_map(const char *arg)
2460 m = &stream_maps[nb_stream_maps++];
2462 m->file_index = strtol(arg, (char **)&p, 0);
2466 m->stream_index = strtol(p, (char **)&p, 0);
2469 m->sync_file_index = strtol(p, (char **)&p, 0);
2472 m->sync_stream_index = strtol(p, (char **)&p, 0);
2474 m->sync_file_index = m->file_index;
2475 m->sync_stream_index = m->stream_index;
2479 static void opt_map_meta_data(const char *arg)
2485 m = &meta_data_maps[nb_meta_data_maps++];
2487 m->out_file = strtol(arg, (char **)&p, 0);
2491 m->in_file = strtol(p, (char **)&p, 0);
2494 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2496 int64_t us = parse_date(timestr, is_duration);
2497 if (us == INT64_MIN) {
2498 fprintf(stderr, "Invalid %s specification: %s\n",
2499 is_duration ? "duration" : "date", timestr);
2505 static void opt_recording_time(const char *arg)
2507 recording_time = parse_time_or_die(arg, 1);
2510 static void opt_start_time(const char *arg)
2512 start_time = parse_time_or_die(arg, 1);
2515 static void opt_rec_timestamp(const char *arg)
2517 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2520 static void opt_input_ts_offset(const char *arg)
2522 input_ts_offset = parse_time_or_die(arg, 1);
2525 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2527 char *codec_string = encoder ? "encoder" : "decoder";
2531 return CODEC_ID_NONE;
2533 avcodec_find_encoder_by_name(name) :
2534 avcodec_find_decoder_by_name(name);
2536 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2539 if(codec->type != type) {
2540 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2546 static void opt_input_file(const char *filename)
2548 AVFormatContext *ic;
2549 AVFormatParameters params, *ap = ¶ms;
2550 int err, i, ret, rfps, rfps_base;
2553 if (!strcmp(filename, "-"))
2556 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2557 !strcmp( filename, "/dev/stdin" );
2559 /* get default parameters from command line */
2560 ic = av_alloc_format_context();
2562 memset(ap, 0, sizeof(*ap));
2563 ap->prealloced_context = 1;
2564 ap->sample_rate = audio_sample_rate;
2565 ap->channels = audio_channels;
2566 ap->time_base.den = frame_rate.num;
2567 ap->time_base.num = frame_rate.den;
2568 ap->width = frame_width + frame_padleft + frame_padright;
2569 ap->height = frame_height + frame_padtop + frame_padbottom;
2570 ap->pix_fmt = frame_pix_fmt;
2571 ap->channel = video_channel;
2572 ap->standard = video_standard;
2573 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2574 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2575 if(pgmyuv_compatibility_hack)
2576 ap->video_codec_id= CODEC_ID_PGMYUV;
2578 for(i=0; i<opt_name_count; i++){
2579 const AVOption *opt;
2580 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2581 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2582 av_set_double(ic, opt_names[i], d);
2584 /* open the input file with generic libav function */
2585 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2587 print_error(filename, err);
2591 ic->loop_input = loop_input;
2593 /* If not enough info to get the stream parameters, we decode the
2594 first frames to get it. (used in mpeg case for example) */
2595 ret = av_find_stream_info(ic);
2596 if (ret < 0 && verbose >= 0) {
2597 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2601 timestamp = start_time;
2602 /* add the stream start time */
2603 if (ic->start_time != AV_NOPTS_VALUE)
2604 timestamp += ic->start_time;
2606 /* if seeking requested, we execute it */
2607 if (start_time != 0) {
2608 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2610 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2611 filename, (double)timestamp / AV_TIME_BASE);
2613 /* reset seek info */
2617 /* update the current parameters so that they match the one of the input stream */
2618 for(i=0;i<ic->nb_streams;i++) {
2620 AVCodecContext *enc = ic->streams[i]->codec;
2622 avcodec_thread_init(enc, thread_count);
2623 enc->thread_count= thread_count;
2624 switch(enc->codec_type) {
2625 case CODEC_TYPE_AUDIO:
2626 for(j=0; j<opt_name_count; j++){
2627 const AVOption *opt;
2628 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2629 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2630 av_set_double(enc, opt_names[j], d);
2632 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2633 audio_channels = enc->channels;
2634 audio_sample_rate = enc->sample_rate;
2636 ic->streams[i]->discard= AVDISCARD_ALL;
2638 case CODEC_TYPE_VIDEO:
2639 for(j=0; j<opt_name_count; j++){
2640 const AVOption *opt;
2641 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2642 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2643 av_set_double(enc, opt_names[j], d);
2645 frame_height = enc->height;
2646 frame_width = enc->width;
2647 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2648 frame_pix_fmt = enc->pix_fmt;
2649 rfps = ic->streams[i]->r_frame_rate.num;
2650 rfps_base = ic->streams[i]->r_frame_rate.den;
2651 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2653 enc->debug |= FF_DEBUG_MV;
2655 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2658 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2659 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2661 (float)rfps / rfps_base, rfps, rfps_base);
2663 /* update the current frame rate to match the stream frame rate */
2664 frame_rate.num = rfps;
2665 frame_rate.den = rfps_base;
2667 enc->rate_emu = rate_emu;
2669 ic->streams[i]->discard= AVDISCARD_ALL;
2670 else if(video_discard)
2671 ic->streams[i]->discard= video_discard;
2673 case CODEC_TYPE_DATA:
2675 case CODEC_TYPE_SUBTITLE:
2676 if(subtitle_disable)
2677 ic->streams[i]->discard = AVDISCARD_ALL;
2679 case CODEC_TYPE_UNKNOWN:
2686 input_files[nb_input_files] = ic;
2687 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2688 /* dump the file content */
2690 dump_format(ic, nb_input_files, filename, 0);
2693 file_iformat = NULL;
2694 file_oformat = NULL;
2701 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2702 int *has_subtitle_ptr)
2704 int has_video, has_audio, has_subtitle, i, j;
2705 AVFormatContext *ic;
2710 for(j=0;j<nb_input_files;j++) {
2711 ic = input_files[j];
2712 for(i=0;i<ic->nb_streams;i++) {
2713 AVCodecContext *enc = ic->streams[i]->codec;
2714 switch(enc->codec_type) {
2715 case CODEC_TYPE_AUDIO:
2718 case CODEC_TYPE_VIDEO:
2721 case CODEC_TYPE_SUBTITLE:
2724 case CODEC_TYPE_DATA:
2725 case CODEC_TYPE_UNKNOWN:
2732 *has_video_ptr = has_video;
2733 *has_audio_ptr = has_audio;
2734 *has_subtitle_ptr = has_subtitle;
2737 static void new_video_stream(AVFormatContext *oc)
2740 AVCodecContext *video_enc;
2743 st = av_new_stream(oc, oc->nb_streams);
2745 fprintf(stderr, "Could not alloc stream\n");
2748 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2749 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2750 video_bitstream_filters= NULL;
2753 avcodec_thread_init(st->codec, thread_count);
2755 video_enc = st->codec;
2758 video_enc->codec_tag= video_codec_tag;
2760 if( (video_global_header&1)
2761 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2762 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2763 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2765 if(video_global_header&2){
2766 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2767 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2770 if (video_stream_copy) {
2771 st->stream_copy = 1;
2772 video_enc->codec_type = CODEC_TYPE_VIDEO;
2778 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2779 if (video_codec_name)
2780 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2782 video_enc->codec_id = codec_id;
2783 codec = avcodec_find_encoder(codec_id);
2785 for(i=0; i<opt_name_count; i++){
2786 const AVOption *opt;
2787 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2788 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2789 av_set_double(video_enc, opt_names[i], d);
2792 video_enc->time_base.den = frame_rate.num;
2793 video_enc->time_base.num = frame_rate.den;
2794 if(codec && codec->supported_framerates){
2795 const AVRational *p= codec->supported_framerates;
2796 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2797 const AVRational *best=NULL;
2798 AVRational best_error= (AVRational){INT_MAX, 1};
2799 for(; p->den!=0; p++){
2800 AVRational error= av_sub_q(req, *p);
2801 if(error.num <0) error.num *= -1;
2802 if(av_cmp_q(error, best_error) < 0){
2807 video_enc->time_base.den= best->num;
2808 video_enc->time_base.num= best->den;
2811 video_enc->width = frame_width + frame_padright + frame_padleft;
2812 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2813 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2814 video_enc->pix_fmt = frame_pix_fmt;
2816 if(codec && codec->pix_fmts){
2817 const enum PixelFormat *p= codec->pix_fmts;
2819 if(*p == video_enc->pix_fmt)
2823 video_enc->pix_fmt = codec->pix_fmts[0];
2827 video_enc->gop_size = 0;
2828 if (video_qscale || same_quality) {
2829 video_enc->flags |= CODEC_FLAG_QSCALE;
2830 video_enc->global_quality=
2831 st->quality = FF_QP2LAMBDA * video_qscale;
2835 video_enc->intra_matrix = intra_matrix;
2837 video_enc->inter_matrix = inter_matrix;
2839 video_enc->max_qdiff = video_qdiff;
2840 video_enc->rc_eq = video_rc_eq;
2841 video_enc->thread_count = thread_count;
2842 p= video_rc_override_string;
2845 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2847 fprintf(stderr, "error parsing rc_override\n");
2850 video_enc->rc_override=
2851 av_realloc(video_enc->rc_override,
2852 sizeof(RcOverride)*(i+1));
2853 video_enc->rc_override[i].start_frame= start;
2854 video_enc->rc_override[i].end_frame = end;
2856 video_enc->rc_override[i].qscale= q;
2857 video_enc->rc_override[i].quality_factor= 1.0;
2860 video_enc->rc_override[i].qscale= 0;
2861 video_enc->rc_override[i].quality_factor= -q/100.0;
2866 video_enc->rc_override_count=i;
2867 if (!video_enc->rc_initial_buffer_occupancy)
2868 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2869 video_enc->me_threshold= me_threshold;
2870 video_enc->intra_dc_precision= intra_dc_precision - 8;
2871 video_enc->strict_std_compliance = strict;
2874 video_enc->flags|= CODEC_FLAG_PSNR;
2879 video_enc->flags |= CODEC_FLAG_PASS1;
2881 video_enc->flags |= CODEC_FLAG_PASS2;
2886 /* reset some key parameters */
2888 av_freep(&video_codec_name);
2889 video_stream_copy = 0;
2892 static void new_audio_stream(AVFormatContext *oc)
2895 AVCodecContext *audio_enc;
2898 st = av_new_stream(oc, oc->nb_streams);
2900 fprintf(stderr, "Could not alloc stream\n");
2903 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2905 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2906 audio_bitstream_filters= NULL;
2909 avcodec_thread_init(st->codec, thread_count);
2911 audio_enc = st->codec;
2912 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2913 audio_enc->strict_std_compliance = strict;
2916 audio_enc->codec_tag= audio_codec_tag;
2918 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2919 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2920 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2922 if (audio_stream_copy) {
2923 st->stream_copy = 1;
2924 audio_enc->channels = audio_channels;
2926 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2928 for(i=0; i<opt_name_count; i++){
2929 const AVOption *opt;
2930 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2931 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2932 av_set_double(audio_enc, opt_names[i], d);
2935 if (audio_codec_name)
2936 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2937 audio_enc->codec_id = codec_id;
2939 if (audio_qscale > QSCALE_NONE) {
2940 audio_enc->flags |= CODEC_FLAG_QSCALE;
2941 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2943 audio_enc->thread_count = thread_count;
2944 audio_enc->channels = audio_channels;
2946 audio_enc->sample_rate = audio_sample_rate;
2947 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2948 if (audio_language) {
2949 av_strlcpy(st->language, audio_language, sizeof(st->language));
2950 av_free(audio_language);
2951 audio_language = NULL;
2954 /* reset some key parameters */
2956 av_freep(&audio_codec_name);
2957 audio_stream_copy = 0;
2960 static void new_subtitle_stream(AVFormatContext *oc)
2963 AVCodecContext *subtitle_enc;
2966 st = av_new_stream(oc, oc->nb_streams);
2968 fprintf(stderr, "Could not alloc stream\n");
2971 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2973 subtitle_enc = st->codec;
2974 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2975 if (subtitle_stream_copy) {
2976 st->stream_copy = 1;
2978 for(i=0; i<opt_name_count; i++){
2979 const AVOption *opt;
2980 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2981 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2982 av_set_double(subtitle_enc, opt_names[i], d);
2984 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2987 if (subtitle_language) {
2988 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2989 av_free(subtitle_language);
2990 subtitle_language = NULL;
2993 subtitle_disable = 0;
2994 av_freep(&subtitle_codec_name);
2995 subtitle_stream_copy = 0;
2998 static void opt_new_audio_stream(void)
3000 AVFormatContext *oc;
3001 if (nb_output_files <= 0) {
3002 fprintf(stderr, "At least one output file must be specified\n");
3005 oc = output_files[nb_output_files - 1];
3006 new_audio_stream(oc);
3009 static void opt_new_video_stream(void)
3011 AVFormatContext *oc;
3012 if (nb_output_files <= 0) {
3013 fprintf(stderr, "At least one output file must be specified\n");
3016 oc = output_files[nb_output_files - 1];
3017 new_video_stream(oc);
3020 static void opt_new_subtitle_stream(void)
3022 AVFormatContext *oc;
3023 if (nb_output_files <= 0) {
3024 fprintf(stderr, "At least one output file must be specified\n");
3027 oc = output_files[nb_output_files - 1];
3028 new_subtitle_stream(oc);
3031 static void opt_output_file(const char *filename)
3033 AVFormatContext *oc;
3034 int use_video, use_audio, use_subtitle;
3035 int input_has_video, input_has_audio, input_has_subtitle, i;
3036 AVFormatParameters params, *ap = ¶ms;
3038 if (!strcmp(filename, "-"))
3041 oc = av_alloc_format_context();
3043 if (!file_oformat) {
3044 file_oformat = guess_format(NULL, filename, NULL);
3045 if (!file_oformat) {
3046 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3052 oc->oformat = file_oformat;
3053 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3055 if (!strcmp(file_oformat->name, "ffm") &&
3056 av_strstart(filename, "http:", NULL)) {
3057 /* special case for files sent to ffserver: we get the stream
3058 parameters from ffserver */
3059 if (read_ffserver_streams(oc, filename) < 0) {
3060 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3064 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3065 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3066 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3068 /* disable if no corresponding type found and at least one
3070 if (nb_input_files > 0) {
3071 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3072 &input_has_subtitle);
3073 if (!input_has_video)
3075 if (!input_has_audio)
3077 if (!input_has_subtitle)
3081 /* manual disable */
3082 if (audio_disable) {
3085 if (video_disable) {
3088 if (subtitle_disable) {
3093 new_video_stream(oc);
3097 new_audio_stream(oc);
3101 new_subtitle_stream(oc);
3104 oc->timestamp = rec_timestamp;
3107 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3109 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3111 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3113 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3115 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3118 output_files[nb_output_files++] = oc;
3120 /* check filename in case of an image number is expected */
3121 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3122 if (!av_filename_number_test(oc->filename)) {
3123 print_error(oc->filename, AVERROR_NUMEXPECTED);
3128 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3129 /* test if it already exists to avoid loosing precious files */
3130 if (!file_overwrite &&
3131 (strchr(filename, ':') == NULL ||
3132 av_strstart(filename, "file:", NULL))) {
3133 if (url_exist(filename)) {
3136 if ( !using_stdin ) {
3137 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3140 if (toupper(c) != 'Y') {
3141 fprintf(stderr, "Not overwriting - exiting\n");
3146 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3153 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3154 fprintf(stderr, "Could not open '%s'\n", filename);
3159 memset(ap, 0, sizeof(*ap));
3160 if (av_set_parameters(oc, ap) < 0) {
3161 fprintf(stderr, "%s: Invalid encoding parameters\n",
3166 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3167 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3168 oc->loop_output = loop_output;
3170 for(i=0; i<opt_name_count; i++){
3171 const AVOption *opt;
3172 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3173 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3174 av_set_double(oc, opt_names[i], d);
3177 /* reset some options */
3178 file_oformat = NULL;
3179 file_iformat = NULL;
3182 /* same option as mencoder */
3183 static void opt_pass(const char *pass_str)
3186 pass = atoi(pass_str);
3187 if (pass != 1 && pass != 2) {
3188 fprintf(stderr, "pass number can be only 1 or 2\n");
3194 static int64_t getutime(void)
3196 #ifdef HAVE_GETRUSAGE
3197 struct rusage rusage;
3199 getrusage(RUSAGE_SELF, &rusage);
3200 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3201 #elif defined(HAVE_GETPROCESSTIMES)
3203 FILETIME c, e, k, u;
3204 proc = GetCurrentProcess();
3205 GetProcessTimes(proc, &c, &e, &k, &u);
3206 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3208 return av_gettime();
3212 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3213 extern int ffm_nopts;
3216 static void opt_show_formats(void)
3218 AVInputFormat *ifmt;
3219 AVOutputFormat *ofmt;
3222 const char *last_name;
3224 printf("File formats:\n");
3229 const char *name=NULL;
3230 const char *long_name=NULL;
3232 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3233 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3234 strcmp(ofmt->name, last_name)>0){
3236 long_name= ofmt->long_name;
3240 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3241 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3242 strcmp(ifmt->name, last_name)>0){
3244 long_name= ifmt->long_name;
3247 if(name && strcmp(ifmt->name, name)==0)
3259 long_name ? long_name:" ");
3263 printf("Codecs:\n");
3269 const char *type_str;
3272 for(p = first_avcodec; p != NULL; p = p->next) {
3273 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3274 strcmp(p->name, last_name)>0){
3276 decode= encode= cap=0;
3278 if(p2 && strcmp(p->name, p2->name)==0){
3279 if(p->decode) decode=1;
3280 if(p->encode) encode=1;
3281 cap |= p->capabilities;
3286 last_name= p2->name;
3289 case CODEC_TYPE_VIDEO:
3292 case CODEC_TYPE_AUDIO:
3295 case CODEC_TYPE_SUBTITLE:
3304 decode ? "D": (/*p2->decoder ? "d":*/" "),
3307 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3308 cap & CODEC_CAP_DR1 ? "D":" ",
3309 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3311 /* if(p2->decoder && decode==0)
3312 printf(" use %s for decoding", p2->decoder->name);*/
3317 printf("Supported file protocols:\n");
3318 for(up = first_protocol; up != NULL; up = up->next)
3319 printf(" %s:", up->name);
3322 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3325 "Note, the names of encoders and decoders do not always match, so there are\n"
3326 "several cases where the above table shows encoder only or decoder only entries\n"
3327 "even though both encoding and decoding are supported. For example, the h263\n"
3328 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3333 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3336 const char *p = str;
3343 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3350 static void opt_inter_matrix(const char *arg)
3352 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3353 parse_matrix_coeffs(inter_matrix, arg);
3356 static void opt_intra_matrix(const char *arg)
3358 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3359 parse_matrix_coeffs(intra_matrix, arg);
3362 static void opt_show_help(void)
3368 static void opt_target(const char *arg)
3371 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3373 if(!strncmp(arg, "pal-", 4)) {
3376 } else if(!strncmp(arg, "ntsc-", 5)) {
3379 } else if(!strncmp(arg, "film-", 5)) {
3384 /* Calculate FR via float to avoid int overflow */
3385 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3388 } else if((fr == 29970) || (fr == 23976)) {
3391 /* Try to determine PAL/NTSC by peeking in the input files */
3392 if(nb_input_files) {
3394 for(j = 0; j < nb_input_files; j++) {
3395 for(i = 0; i < input_files[j]->nb_streams; i++) {
3396 AVCodecContext *c = input_files[j]->streams[i]->codec;
3397 if(c->codec_type != CODEC_TYPE_VIDEO)
3399 fr = c->time_base.den * 1000 / c->time_base.num;
3403 } else if((fr == 29970) || (fr == 23976)) {
3413 if(verbose && norm >= 0)
3414 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3418 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3419 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3420 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3424 if(!strcmp(arg, "vcd")) {
3426 opt_video_codec("mpeg1video");
3427 opt_audio_codec("mp2");
3430 opt_frame_size(norm ? "352x240" : "352x288");
3431 opt_frame_rate(frame_rates[norm]);
3432 opt_default("gop", norm ? "18" : "15");
3434 opt_default("b", "1150000");
3435 opt_default("maxrate", "1150000");
3436 opt_default("minrate", "1150000");
3437 opt_default("bufsize", "327680"); // 40*1024*8;
3439 opt_default("ab", "224000");
3440 audio_sample_rate = 44100;
3443 opt_default("packetsize", "2324");
3444 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3446 /* We have to offset the PTS, so that it is consistent with the SCR.
3447 SCR starts at 36000, but the first two packs contain only padding
3448 and the first pack from the other stream, respectively, may also have
3449 been written before.
3450 So the real data starts at SCR 36000+3*1200. */
3451 mux_preload= (36000+3*1200) / 90000.0; //0.44
3452 } else if(!strcmp(arg, "svcd")) {
3454 opt_video_codec("mpeg2video");
3455 opt_audio_codec("mp2");
3458 opt_frame_size(norm ? "480x480" : "480x576");
3459 opt_frame_rate(frame_rates[norm]);
3460 opt_default("gop", norm ? "18" : "15");
3462 opt_default("b", "2040000");
3463 opt_default("maxrate", "2516000");
3464 opt_default("minrate", "0"); //1145000;
3465 opt_default("bufsize", "1835008"); //224*1024*8;
3466 opt_default("flags", "+SCAN_OFFSET");
3469 opt_default("ab", "224000");
3470 audio_sample_rate = 44100;
3472 opt_default("packetsize", "2324");
3474 } else if(!strcmp(arg, "dvd")) {
3476 opt_video_codec("mpeg2video");
3477 opt_audio_codec("ac3");
3480 opt_frame_size(norm ? "720x480" : "720x576");
3481 opt_frame_rate(frame_rates[norm]);
3482 opt_default("gop", norm ? "18" : "15");
3484 opt_default("b", "6000000");
3485 opt_default("maxrate", "9000000");
3486 opt_default("minrate", "0"); //1500000;
3487 opt_default("bufsize", "1835008"); //224*1024*8;
3489 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3490 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3492 opt_default("ab", "448000");
3493 audio_sample_rate = 48000;
3495 } else if(!strncmp(arg, "dv", 2)) {
3499 opt_frame_size(norm ? "720x480" : "720x576");
3500 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3501 (norm ? "yuv411p" : "yuv420p"));
3502 opt_frame_rate(frame_rates[norm]);
3504 audio_sample_rate = 48000;
3508 fprintf(stderr, "Unknown target: %s\n", arg);
3513 static void opt_vstats_file (const char *arg)
3515 av_free (vstats_filename);
3516 vstats_filename=av_strdup (arg);
3519 static void opt_vstats (void)
3522 time_t today2 = time(NULL);
3523 struct tm *today = localtime(&today2);
3525 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3527 opt_vstats_file(filename);
3530 static void opt_video_bsf(const char *arg)
3532 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3533 AVBitStreamFilterContext **bsfp;
3536 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3540 bsfp= &video_bitstream_filters;
3542 bsfp= &(*bsfp)->next;
3547 //FIXME avoid audio - video code duplication
3548 static void opt_audio_bsf(const char *arg)
3550 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3551 AVBitStreamFilterContext **bsfp;
3554 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3558 bsfp= &audio_bitstream_filters;
3560 bsfp= &(*bsfp)->next;
3565 static void opt_show_version(void)
3567 /* TODO: add function interface to avutil and avformat */
3568 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3572 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3576 static int opt_default(const char *opt, const char *arg){
3578 const AVOption *o= NULL;
3579 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3581 for(type=0; type<CODEC_TYPE_NB; type++){
3582 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3584 o = av_set_string(avctx_opts[type], opt, arg);
3587 o = av_set_string(avformat_opts, opt, arg);
3589 o = av_set_string(sws_opts, opt, arg);
3592 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3593 else if(opt[0] == 'v')
3594 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3595 else if(opt[0] == 's')
3596 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3601 // 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));
3603 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3604 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3605 opt_names[opt_name_count++]= o->name;
3607 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3608 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3609 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3613 if(avctx_opts[0]->debug)
3614 av_log_level = AV_LOG_DEBUG;
3618 const OptionDef options[] = {
3620 { "L", 0, {(void*)opt_show_license}, "show license" },
3621 { "h", 0, {(void*)opt_show_help}, "show help" },
3622 { "version", 0, {(void*)opt_show_version}, "show version" },
3623 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3624 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3625 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3626 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3627 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3628 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3629 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3630 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3631 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3632 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3633 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3634 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3635 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3636 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3637 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3638 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3639 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3640 "add timings for benchmarking" },
3641 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3642 "dump each input packet" },
3643 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3644 "when dumping packets, also dump the payload" },
3645 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3646 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3647 { "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)", "" },
3648 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3649 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3650 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3651 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3652 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3653 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3654 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3655 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3656 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3657 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3660 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3661 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3662 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3663 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3664 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3665 { "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" },
3666 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3667 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3668 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3669 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3670 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3671 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3672 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3673 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3674 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3675 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3676 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3677 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3678 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3679 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3680 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3681 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3682 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3683 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3684 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3685 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3686 "use same video quality as source (implies VBR)" },
3687 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3688 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3689 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3690 "deinterlace pictures" },
3691 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3692 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3693 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3695 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3697 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3698 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3699 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3700 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3701 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3702 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3703 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3706 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3707 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3708 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3709 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3710 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3711 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3712 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3713 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3714 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3715 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3717 /* subtitle options */
3718 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3719 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3720 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3721 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3724 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3725 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3726 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3729 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3730 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3732 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3733 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3735 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3739 static void show_banner(void)
3741 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3742 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3743 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3744 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3745 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3746 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3748 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3750 fprintf(stderr, ", using a non-gcc compiler\n");
3754 static void opt_show_license(void)
3761 * Trivial log callback.
3762 * Only suitable for show_help and similar since it lacks prefix handling.
3764 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3766 vfprintf(stdout, fmt, vl);
3769 static void show_help(void)
3771 av_log_set_callback(log_callback_help);
3772 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3773 "Hyper fast Audio and Video encoder\n");
3775 show_help_options(options, "Main options:\n",
3776 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3777 show_help_options(options, "\nVideo options:\n",
3778 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3780 show_help_options(options, "\nAdvanced Video options:\n",
3781 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3782 OPT_VIDEO | OPT_EXPERT);
3783 show_help_options(options, "\nAudio options:\n",
3784 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3786 show_help_options(options, "\nAdvanced Audio options:\n",
3787 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3788 OPT_AUDIO | OPT_EXPERT);
3789 show_help_options(options, "\nSubtitle options:\n",
3790 OPT_SUBTITLE | OPT_GRAB,
3792 show_help_options(options, "\nAudio/Video grab options:\n",
3795 show_help_options(options, "\nAdvanced options:\n",
3796 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3798 av_opt_show(avctx_opts[0], NULL);
3799 av_opt_show(avformat_opts, NULL);
3800 av_opt_show(sws_opts, NULL);
3803 static int av_exit()
3808 for(i=0;i<nb_output_files;i++) {
3809 /* maybe av_close_output_file ??? */
3810 AVFormatContext *s = output_files[i];
3812 if (!(s->oformat->flags & AVFMT_NOFILE))
3814 for(j=0;j<s->nb_streams;j++) {
3815 av_free(s->streams[j]->codec);
3816 av_free(s->streams[j]);
3820 for(i=0;i<nb_input_files;i++)
3821 av_close_input_file(input_files[i]);
3825 av_free(intra_matrix);
3826 av_free(inter_matrix);
3829 fclose(vstats_file);
3830 av_free(vstats_filename);
3834 av_free(video_codec_name);
3835 av_free(audio_codec_name);
3836 av_free(subtitle_codec_name);
3838 av_free(video_standard);
3840 #ifdef CONFIG_POWERPC_PERF
3841 extern void powerpc_display_perf_report(void);
3842 powerpc_display_perf_report();
3843 #endif /* CONFIG_POWERPC_PERF */
3845 if (received_sigterm) {
3847 "Received signal %d: terminating.\n",
3848 (int) received_sigterm);
3852 exit(0); /* not all OS-es handle main() return value */
3856 int main(int argc, char **argv)
3863 for(i=0; i<CODEC_TYPE_NB; i++){
3864 avctx_opts[i]= avcodec_alloc_context2(i);
3866 avformat_opts = av_alloc_format_context();
3867 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3876 parse_options(argc, argv, options, opt_output_file);
3878 /* file converter / grab */
3879 if (nb_output_files <= 0) {
3880 fprintf(stderr, "Must supply at least one output file\n");
3884 if (nb_input_files == 0) {
3885 fprintf(stderr, "Must supply at least one input file\n");
3890 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3891 stream_maps, nb_stream_maps);
3892 ti = getutime() - ti;
3894 printf("bench: utime=%0.3fs\n", ti / 1000000.0);