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 *fvstats;
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 fvstats = 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(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870 if (enc->flags&CODEC_FLAG_PSNR)
871 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
873 fprintf(fvstats,"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(fvstats, "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(fvstats,"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]);
1344 * The following code is the main loop of the file converter
1346 static int av_encode(AVFormatContext **output_files,
1347 int nb_output_files,
1348 AVFormatContext **input_files,
1350 AVStreamMap *stream_maps, int nb_stream_maps)
1352 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1353 AVFormatContext *is, *os;
1354 AVCodecContext *codec, *icodec;
1355 AVOutputStream *ost, **ost_table = NULL;
1356 AVInputStream *ist, **ist_table = NULL;
1357 AVInputFile *file_table;
1360 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1364 /* input stream init */
1366 for(i=0;i<nb_input_files;i++) {
1367 is = input_files[i];
1368 file_table[i].ist_index = j;
1369 file_table[i].nb_streams = is->nb_streams;
1370 j += is->nb_streams;
1374 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1378 for(i=0;i<nb_istreams;i++) {
1379 ist = av_mallocz(sizeof(AVInputStream));
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 for(k=0;k<is->nb_streams;k++) {
1388 ist = ist_table[j++];
1389 ist->st = is->streams[k];
1390 ist->file_index = i;
1392 ist->discard = 1; /* the stream is discarded by default
1395 if (ist->st->codec->rate_emu) {
1396 ist->start = av_gettime();
1402 /* output stream init */
1404 for(i=0;i<nb_output_files;i++) {
1405 os = output_files[i];
1406 if (!os->nb_streams) {
1407 fprintf(stderr, "Output file does not contain any stream\n");
1410 nb_ostreams += os->nb_streams;
1412 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1413 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1417 /* Sanity check the mapping args -- do the input files & streams exist? */
1418 for(i=0;i<nb_stream_maps;i++) {
1419 int fi = stream_maps[i].file_index;
1420 int si = stream_maps[i].stream_index;
1422 if (fi < 0 || fi > nb_input_files - 1 ||
1423 si < 0 || si > file_table[fi].nb_streams - 1) {
1424 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1427 fi = stream_maps[i].sync_file_index;
1428 si = stream_maps[i].sync_stream_index;
1429 if (fi < 0 || fi > nb_input_files - 1 ||
1430 si < 0 || si > file_table[fi].nb_streams - 1) {
1431 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1436 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1439 for(i=0;i<nb_ostreams;i++) {
1440 ost = av_mallocz(sizeof(AVOutputStream));
1447 for(k=0;k<nb_output_files;k++) {
1448 os = output_files[k];
1449 for(i=0;i<os->nb_streams;i++) {
1451 ost = ost_table[n++];
1452 ost->file_index = k;
1454 ost->st = os->streams[i];
1455 if (nb_stream_maps > 0) {
1456 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1457 stream_maps[n-1].stream_index;
1459 /* Sanity check that the stream types match */
1460 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1461 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1462 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1463 ost->file_index, ost->index);
1468 /* get corresponding input stream index : we select the first one with the right type */
1470 for(j=0;j<nb_istreams;j++) {
1473 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1474 ost->source_index = j;
1481 /* try again and reuse existing stream */
1482 for(j=0;j<nb_istreams;j++) {
1484 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485 ost->source_index = j;
1490 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1491 ost->file_index, ost->index);
1496 ist = ist_table[ost->source_index];
1498 ost->sync_ist = (nb_stream_maps > 0) ?
1499 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1500 stream_maps[n-1].sync_stream_index] : ist;
1504 /* for each output stream, we compute the right encoding parameters */
1505 for(i=0;i<nb_ostreams;i++) {
1507 os = output_files[ost->file_index];
1508 ist = ist_table[ost->source_index];
1510 codec = ost->st->codec;
1511 icodec = ist->st->codec;
1513 if (!ost->st->language[0])
1514 av_strlcpy(ost->st->language, ist->st->language,
1515 sizeof(ost->st->language));
1517 if (ost->st->stream_copy) {
1518 /* if stream_copy is selected, no need to decode or encode */
1519 codec->codec_id = icodec->codec_id;
1520 codec->codec_type = icodec->codec_type;
1522 if(!codec->codec_tag){
1523 if( !os->oformat->codec_tag
1524 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1525 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1526 codec->codec_tag = icodec->codec_tag;
1529 codec->bit_rate = icodec->bit_rate;
1530 codec->extradata= icodec->extradata;
1531 codec->extradata_size= icodec->extradata_size;
1532 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1533 codec->time_base = icodec->time_base;
1535 codec->time_base = ist->st->time_base;
1536 switch(codec->codec_type) {
1537 case CODEC_TYPE_AUDIO:
1538 codec->sample_rate = icodec->sample_rate;
1539 codec->channels = icodec->channels;
1540 codec->frame_size = icodec->frame_size;
1541 codec->block_align= icodec->block_align;
1542 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1543 codec->block_align= 0;
1545 case CODEC_TYPE_VIDEO:
1547 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1550 codec->pix_fmt = icodec->pix_fmt;
1551 codec->width = icodec->width;
1552 codec->height = icodec->height;
1553 codec->has_b_frames = icodec->has_b_frames;
1555 case CODEC_TYPE_SUBTITLE:
1561 switch(codec->codec_type) {
1562 case CODEC_TYPE_AUDIO:
1563 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1566 if (codec->channels == icodec->channels &&
1567 codec->sample_rate == icodec->sample_rate) {
1568 ost->audio_resample = 0;
1570 if (codec->channels != icodec->channels &&
1571 (icodec->codec_id == CODEC_ID_AC3 ||
1572 icodec->codec_id == CODEC_ID_DTS)) {
1573 /* Special case for 5:1 AC3 and DTS input */
1574 /* and mono or stereo output */
1575 /* Request specific number of channels */
1576 icodec->channels = codec->channels;
1577 if (codec->sample_rate == icodec->sample_rate)
1578 ost->audio_resample = 0;
1580 ost->audio_resample = 1;
1583 ost->audio_resample = 1;
1586 if(audio_sync_method>1)
1587 ost->audio_resample = 1;
1589 if(ost->audio_resample){
1590 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1591 codec->sample_rate, icodec->sample_rate);
1593 printf("Can't resample. Aborting.\n");
1597 ist->decoding_needed = 1;
1598 ost->encoding_needed = 1;
1600 case CODEC_TYPE_VIDEO:
1601 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1602 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1603 ost->video_resample = ((codec->width != icodec->width -
1604 (frame_leftBand + frame_rightBand) +
1605 (frame_padleft + frame_padright)) ||
1606 (codec->height != icodec->height -
1607 (frame_topBand + frame_bottomBand) +
1608 (frame_padtop + frame_padbottom)) ||
1609 (codec->pix_fmt != icodec->pix_fmt));
1610 if (ost->video_crop) {
1611 ost->topBand = frame_topBand;
1612 ost->leftBand = frame_leftBand;
1614 if (ost->video_pad) {
1615 ost->padtop = frame_padtop;
1616 ost->padleft = frame_padleft;
1617 ost->padbottom = frame_padbottom;
1618 ost->padright = frame_padright;
1619 if (!ost->video_resample) {
1620 avcodec_get_frame_defaults(&ost->pict_tmp);
1621 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1622 codec->width, codec->height ) )
1626 if (ost->video_resample) {
1627 avcodec_get_frame_defaults(&ost->pict_tmp);
1628 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1629 codec->width, codec->height ) ) {
1630 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1633 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1634 ost->img_resample_ctx = sws_getContext(
1635 icodec->width - (frame_leftBand + frame_rightBand),
1636 icodec->height - (frame_topBand + frame_bottomBand),
1638 codec->width - (frame_padleft + frame_padright),
1639 codec->height - (frame_padtop + frame_padbottom),
1641 sws_flags, NULL, NULL, NULL);
1642 if (ost->img_resample_ctx == NULL) {
1643 fprintf(stderr, "Cannot get resampling context\n");
1646 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1648 ost->encoding_needed = 1;
1649 ist->decoding_needed = 1;
1651 case CODEC_TYPE_SUBTITLE:
1652 ost->encoding_needed = 1;
1653 ist->decoding_needed = 1;
1660 if (ost->encoding_needed &&
1661 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1662 char logfilename[1024];
1667 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1669 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1670 if (codec->flags & CODEC_FLAG_PASS1) {
1671 f = fopen(logfilename, "w");
1673 perror(logfilename);
1678 /* read the log file */
1679 f = fopen(logfilename, "r");
1681 perror(logfilename);
1684 fseek(f, 0, SEEK_END);
1686 fseek(f, 0, SEEK_SET);
1687 logbuffer = av_malloc(size + 1);
1689 fprintf(stderr, "Could not allocate log buffer\n");
1692 size = fread(logbuffer, 1, size, f);
1694 logbuffer[size] = '\0';
1695 codec->stats_in = logbuffer;
1699 if(codec->codec_type == CODEC_TYPE_VIDEO){
1700 int size= codec->width * codec->height;
1701 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1706 bit_buffer = av_malloc(bit_buffer_size);
1710 /* dump the file output parameters - cannot be done before in case
1712 for(i=0;i<nb_output_files;i++) {
1713 dump_format(output_files[i], i, output_files[i]->filename, 1);
1716 /* dump the stream mapping */
1718 fprintf(stderr, "Stream mapping:\n");
1719 for(i=0;i<nb_ostreams;i++) {
1721 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1722 ist_table[ost->source_index]->file_index,
1723 ist_table[ost->source_index]->index,
1726 if (ost->sync_ist != ist_table[ost->source_index])
1727 fprintf(stderr, " [sync #%d.%d]",
1728 ost->sync_ist->file_index,
1729 ost->sync_ist->index);
1730 fprintf(stderr, "\n");
1734 /* open each encoder */
1735 for(i=0;i<nb_ostreams;i++) {
1737 if (ost->encoding_needed) {
1739 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1741 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1742 ost->file_index, ost->index);
1745 if (avcodec_open(ost->st->codec, codec) < 0) {
1746 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1747 ost->file_index, ost->index);
1750 extra_size += ost->st->codec->extradata_size;
1754 /* open each decoder */
1755 for(i=0;i<nb_istreams;i++) {
1757 if (ist->decoding_needed) {
1759 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1761 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1762 ist->st->codec->codec_id, ist->file_index, ist->index);
1765 if (avcodec_open(ist->st->codec, codec) < 0) {
1766 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1767 ist->file_index, ist->index);
1770 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1771 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1776 for(i=0;i<nb_istreams;i++) {
1778 is = input_files[ist->file_index];
1781 if( input_files_ts_offset[ist->file_index] != -is->start_time
1782 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1783 ist->next_pts= AV_NOPTS_VALUE;
1787 /* set meta data information from input file if required */
1788 for (i=0;i<nb_meta_data_maps;i++) {
1789 AVFormatContext *out_file;
1790 AVFormatContext *in_file;
1792 int out_file_index = meta_data_maps[i].out_file;
1793 int in_file_index = meta_data_maps[i].in_file;
1794 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1795 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1796 ret = AVERROR(EINVAL);
1799 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1800 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1801 ret = AVERROR(EINVAL);
1805 out_file = output_files[out_file_index];
1806 in_file = input_files[in_file_index];
1808 strcpy(out_file->title, in_file->title);
1809 strcpy(out_file->author, in_file->author);
1810 strcpy(out_file->copyright, in_file->copyright);
1811 strcpy(out_file->comment, in_file->comment);
1812 strcpy(out_file->album, in_file->album);
1813 out_file->year = in_file->year;
1814 out_file->track = in_file->track;
1815 strcpy(out_file->genre, in_file->genre);
1818 /* open files and write file headers */
1819 for(i=0;i<nb_output_files;i++) {
1820 os = output_files[i];
1821 if (av_write_header(os) < 0) {
1822 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1823 ret = AVERROR(EINVAL);
1828 if ( !using_stdin && verbose >= 0) {
1829 fprintf(stderr, "Press [q] to stop encoding\n");
1830 url_set_interrupt_cb(decode_interrupt_cb);
1835 timer_start = av_gettime();
1837 for(; received_sigterm == 0;) {
1838 int file_index, ist_index;
1846 /* if 'q' pressed, exits */
1850 /* read_key() returns 0 on EOF */
1856 /* select the stream that we must read now by looking at the
1857 smallest output pts */
1859 for(i=0;i<nb_ostreams;i++) {
1862 os = output_files[ost->file_index];
1863 ist = ist_table[ost->source_index];
1864 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1865 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1867 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1868 ipts = (double)ist->pts;
1869 if (!file_table[ist->file_index].eof_reached){
1870 if(ipts < ipts_min) {
1872 if(input_sync ) file_index = ist->file_index;
1874 if(opts < opts_min) {
1876 if(!input_sync) file_index = ist->file_index;
1879 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1884 /* if none, if is finished */
1885 if (file_index < 0) {
1889 /* finish if recording time exhausted */
1890 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1893 /* finish if limit size exhausted */
1894 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1897 /* read a frame from it and output it in the fifo */
1898 is = input_files[file_index];
1899 if (av_read_frame(is, &pkt) < 0) {
1900 file_table[file_index].eof_reached = 1;
1908 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1910 /* the following test is needed in case new streams appear
1911 dynamically in stream : we ignore them */
1912 if (pkt.stream_index >= file_table[file_index].nb_streams)
1913 goto discard_packet;
1914 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1915 ist = ist_table[ist_index];
1917 goto discard_packet;
1919 if (pkt.dts != AV_NOPTS_VALUE)
1920 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1921 if (pkt.pts != AV_NOPTS_VALUE)
1922 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1924 // 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);
1925 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1926 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1927 int64_t delta= pkt_dts - ist->next_pts;
1928 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1929 input_files_ts_offset[ist->file_index]-= delta;
1931 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1932 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1933 if(pkt.pts != AV_NOPTS_VALUE)
1934 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1938 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1939 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1942 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1943 ist->file_index, ist->index);
1945 av_free_packet(&pkt);
1950 av_free_packet(&pkt);
1952 /* dump report by using the output first video and audio streams */
1953 print_report(output_files, ost_table, nb_ostreams, 0);
1956 /* at the end of stream, we must flush the decoder buffers */
1957 for(i=0;i<nb_istreams;i++) {
1959 if (ist->decoding_needed) {
1960 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1966 /* write the trailer if needed and close file */
1967 for(i=0;i<nb_output_files;i++) {
1968 os = output_files[i];
1969 av_write_trailer(os);
1972 /* dump report by using the first video and audio streams */
1973 print_report(output_files, ost_table, nb_ostreams, 1);
1975 /* close each encoder */
1976 for(i=0;i<nb_ostreams;i++) {
1978 if (ost->encoding_needed) {
1979 av_freep(&ost->st->codec->stats_in);
1980 avcodec_close(ost->st->codec);
1984 /* close each decoder */
1985 for(i=0;i<nb_istreams;i++) {
1987 if (ist->decoding_needed) {
1988 avcodec_close(ist->st->codec);
1996 av_freep(&bit_buffer);
1997 av_free(file_table);
2000 for(i=0;i<nb_istreams;i++) {
2007 for(i=0;i<nb_ostreams;i++) {
2011 fclose(ost->logfile);
2012 ost->logfile = NULL;
2014 av_fifo_free(&ost->fifo); /* works even if fifo is not
2015 initialized but set to zero */
2016 av_free(ost->pict_tmp.data[0]);
2017 if (ost->video_resample)
2018 sws_freeContext(ost->img_resample_ctx);
2019 if (ost->audio_resample)
2020 audio_resample_close(ost->resample);
2028 ret = AVERROR(ENOMEM);
2033 int file_read(const char *filename)
2036 unsigned char buffer[1024];
2039 if (url_open(&h, filename, O_RDONLY) < 0) {
2040 printf("could not open '%s'\n", filename);
2044 len = url_read(h, buffer, sizeof(buffer));
2047 for(i=0;i<len;i++) putchar(buffer[i]);
2054 static void opt_format(const char *arg)
2056 /* compatibility stuff for pgmyuv */
2057 if (!strcmp(arg, "pgmyuv")) {
2058 pgmyuv_compatibility_hack=1;
2059 // opt_image_format(arg);
2061 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2064 file_iformat = av_find_input_format(arg);
2065 file_oformat = guess_format(arg, NULL, NULL);
2066 if (!file_iformat && !file_oformat) {
2067 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2072 static void opt_video_rc_eq(char *arg)
2077 static void opt_video_rc_override_string(char *arg)
2079 video_rc_override_string = arg;
2082 static void opt_me_threshold(const char *arg)
2084 me_threshold = atoi(arg);
2087 static void opt_verbose(const char *arg)
2089 verbose = atoi(arg);
2090 av_log_level = atoi(arg);
2093 static void opt_frame_rate(const char *arg)
2095 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2096 fprintf(stderr, "Incorrect frame rate\n");
2101 static void opt_frame_crop_top(const char *arg)
2103 frame_topBand = atoi(arg);
2104 if (frame_topBand < 0) {
2105 fprintf(stderr, "Incorrect top crop size\n");
2108 if ((frame_topBand % 2) != 0) {
2109 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2112 if ((frame_topBand) >= frame_height){
2113 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2116 frame_height -= frame_topBand;
2119 static void opt_frame_crop_bottom(const char *arg)
2121 frame_bottomBand = atoi(arg);
2122 if (frame_bottomBand < 0) {
2123 fprintf(stderr, "Incorrect bottom crop size\n");
2126 if ((frame_bottomBand % 2) != 0) {
2127 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2130 if ((frame_bottomBand) >= frame_height){
2131 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2134 frame_height -= frame_bottomBand;
2137 static void opt_frame_crop_left(const char *arg)
2139 frame_leftBand = atoi(arg);
2140 if (frame_leftBand < 0) {
2141 fprintf(stderr, "Incorrect left crop size\n");
2144 if ((frame_leftBand % 2) != 0) {
2145 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2148 if ((frame_leftBand) >= frame_width){
2149 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2152 frame_width -= frame_leftBand;
2155 static void opt_frame_crop_right(const char *arg)
2157 frame_rightBand = atoi(arg);
2158 if (frame_rightBand < 0) {
2159 fprintf(stderr, "Incorrect right crop size\n");
2162 if ((frame_rightBand % 2) != 0) {
2163 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2166 if ((frame_rightBand) >= frame_width){
2167 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2170 frame_width -= frame_rightBand;
2173 static void opt_frame_size(const char *arg)
2175 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2176 fprintf(stderr, "Incorrect frame size\n");
2179 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2180 fprintf(stderr, "Frame size must be a multiple of 2\n");
2186 #define SCALEBITS 10
2187 #define ONE_HALF (1 << (SCALEBITS - 1))
2188 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2190 #define RGB_TO_Y(r, g, b) \
2191 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2192 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2194 #define RGB_TO_U(r1, g1, b1, shift)\
2195 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2196 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2198 #define RGB_TO_V(r1, g1, b1, shift)\
2199 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2200 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2202 static void opt_pad_color(const char *arg) {
2203 /* Input is expected to be six hex digits similar to
2204 how colors are expressed in html tags (but without the #) */
2205 int rgb = strtol(arg, NULL, 16);
2209 g = ((rgb >> 8) & 255);
2212 padcolor[0] = RGB_TO_Y(r,g,b);
2213 padcolor[1] = RGB_TO_U(r,g,b,0);
2214 padcolor[2] = RGB_TO_V(r,g,b,0);
2217 static void opt_frame_pad_top(const char *arg)
2219 frame_padtop = atoi(arg);
2220 if (frame_padtop < 0) {
2221 fprintf(stderr, "Incorrect top pad size\n");
2224 if ((frame_padtop % 2) != 0) {
2225 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2230 static void opt_frame_pad_bottom(const char *arg)
2232 frame_padbottom = atoi(arg);
2233 if (frame_padbottom < 0) {
2234 fprintf(stderr, "Incorrect bottom pad size\n");
2237 if ((frame_padbottom % 2) != 0) {
2238 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2244 static void opt_frame_pad_left(const char *arg)
2246 frame_padleft = atoi(arg);
2247 if (frame_padleft < 0) {
2248 fprintf(stderr, "Incorrect left pad size\n");
2251 if ((frame_padleft % 2) != 0) {
2252 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2258 static void opt_frame_pad_right(const char *arg)
2260 frame_padright = atoi(arg);
2261 if (frame_padright < 0) {
2262 fprintf(stderr, "Incorrect right pad size\n");
2265 if ((frame_padright % 2) != 0) {
2266 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2271 void list_pix_fmts(void)
2274 char pix_fmt_str[128];
2275 for (i=-1; i < PIX_FMT_NB; i++) {
2276 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2277 fprintf(stdout, "%s\n", pix_fmt_str);
2281 static void opt_frame_pix_fmt(const char *arg)
2283 if (strcmp(arg, "list"))
2284 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2291 static void opt_frame_aspect_ratio(const char *arg)
2297 p = strchr(arg, ':');
2299 x = strtol(arg, (char **)&arg, 10);
2301 y = strtol(arg+1, (char **)&arg, 10);
2303 ar = (double)x / (double)y;
2305 ar = strtod(arg, (char **)&arg);
2308 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2311 frame_aspect_ratio = ar;
2314 static void opt_qscale(const char *arg)
2316 video_qscale = atof(arg);
2317 if (video_qscale <= 0 ||
2318 video_qscale > 255) {
2319 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2324 static void opt_qdiff(const char *arg)
2326 video_qdiff = atoi(arg);
2327 if (video_qdiff < 0 ||
2329 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2334 static void opt_strict(const char *arg)
2339 static void opt_top_field_first(const char *arg)
2341 top_field_first= atoi(arg);
2344 static void opt_thread_count(const char *arg)
2346 thread_count= atoi(arg);
2347 #if !defined(HAVE_THREADS)
2349 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2353 static void opt_audio_rate(const char *arg)
2355 audio_sample_rate = atoi(arg);
2358 static void opt_audio_channels(const char *arg)
2360 audio_channels = atoi(arg);
2363 static void opt_video_channel(const char *arg)
2365 video_channel = strtol(arg, NULL, 0);
2368 static void opt_video_standard(const char *arg)
2370 video_standard = av_strdup(arg);
2373 static void opt_codec(int *pstream_copy, char **pcodec_name,
2374 int codec_type, const char *arg)
2376 av_freep(pcodec_name);
2377 if (!strcmp(arg, "copy")) {
2380 *pcodec_name = av_strdup(arg);
2384 static void opt_audio_codec(const char *arg)
2386 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2389 static void opt_audio_tag(const char *arg)
2392 audio_codec_tag= strtol(arg, &tail, 0);
2395 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2398 static void opt_video_tag(const char *arg)
2401 video_codec_tag= strtol(arg, &tail, 0);
2404 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2408 static void add_frame_hooker(const char *arg)
2413 char *args = av_strdup(arg);
2417 argv[0] = strtok(args, " ");
2418 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2421 i = frame_hook_add(argc, argv);
2424 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2430 static void opt_video_codec(const char *arg)
2432 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2435 static void opt_subtitle_codec(const char *arg)
2437 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2440 static void opt_map(const char *arg)
2446 m = &stream_maps[nb_stream_maps++];
2448 m->file_index = strtol(arg, (char **)&p, 0);
2452 m->stream_index = strtol(p, (char **)&p, 0);
2455 m->sync_file_index = strtol(p, (char **)&p, 0);
2458 m->sync_stream_index = strtol(p, (char **)&p, 0);
2460 m->sync_file_index = m->file_index;
2461 m->sync_stream_index = m->stream_index;
2465 static void opt_map_meta_data(const char *arg)
2471 m = &meta_data_maps[nb_meta_data_maps++];
2473 m->out_file = strtol(arg, (char **)&p, 0);
2477 m->in_file = strtol(p, (char **)&p, 0);
2480 static void opt_recording_time(const char *arg)
2482 recording_time = parse_date(arg, 1);
2485 static void opt_start_time(const char *arg)
2487 start_time = parse_date(arg, 1);
2490 static void opt_rec_timestamp(const char *arg)
2492 rec_timestamp = parse_date(arg, 0) / 1000000;
2495 static void opt_input_ts_offset(const char *arg)
2497 input_ts_offset = parse_date(arg, 1);
2500 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2505 return CODEC_ID_NONE;
2507 avcodec_find_encoder_by_name(name) :
2508 avcodec_find_decoder_by_name(name);
2510 av_log(NULL, AV_LOG_ERROR, "Unknown codec '%s'\n", name);
2513 if(codec->type != type) {
2514 av_log(NULL, AV_LOG_ERROR, "Invalid codec type '%s'\n", name);
2520 static void opt_input_file(const char *filename)
2522 AVFormatContext *ic;
2523 AVFormatParameters params, *ap = ¶ms;
2524 int err, i, ret, rfps, rfps_base;
2527 if (!strcmp(filename, "-"))
2530 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2531 !strcmp( filename, "/dev/stdin" );
2533 /* get default parameters from command line */
2534 ic = av_alloc_format_context();
2536 memset(ap, 0, sizeof(*ap));
2537 ap->prealloced_context = 1;
2538 ap->sample_rate = audio_sample_rate;
2539 ap->channels = audio_channels;
2540 ap->time_base.den = frame_rate.num;
2541 ap->time_base.num = frame_rate.den;
2542 ap->width = frame_width + frame_padleft + frame_padright;
2543 ap->height = frame_height + frame_padtop + frame_padbottom;
2544 ap->pix_fmt = frame_pix_fmt;
2545 ap->channel = video_channel;
2546 ap->standard = video_standard;
2547 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2548 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2549 if(pgmyuv_compatibility_hack)
2550 ap->video_codec_id= CODEC_ID_PGMYUV;
2552 for(i=0; i<opt_name_count; i++){
2553 const AVOption *opt;
2554 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2555 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2556 av_set_double(ic, opt_names[i], d);
2558 /* open the input file with generic libav function */
2559 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2561 print_error(filename, err);
2565 ic->loop_input = loop_input;
2567 /* If not enough info to get the stream parameters, we decode the
2568 first frames to get it. (used in mpeg case for example) */
2569 ret = av_find_stream_info(ic);
2570 if (ret < 0 && verbose >= 0) {
2571 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2575 timestamp = start_time;
2576 /* add the stream start time */
2577 if (ic->start_time != AV_NOPTS_VALUE)
2578 timestamp += ic->start_time;
2580 /* if seeking requested, we execute it */
2581 if (start_time != 0) {
2582 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2584 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2585 filename, (double)timestamp / AV_TIME_BASE);
2587 /* reset seek info */
2591 /* update the current parameters so that they match the one of the input stream */
2592 for(i=0;i<ic->nb_streams;i++) {
2594 AVCodecContext *enc = ic->streams[i]->codec;
2596 avcodec_thread_init(enc, thread_count);
2597 enc->thread_count= thread_count;
2598 switch(enc->codec_type) {
2599 case CODEC_TYPE_AUDIO:
2600 for(j=0; j<opt_name_count; j++){
2601 const AVOption *opt;
2602 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2603 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2604 av_set_double(enc, opt_names[j], d);
2606 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2607 audio_channels = enc->channels;
2608 audio_sample_rate = enc->sample_rate;
2610 ic->streams[i]->discard= AVDISCARD_ALL;
2612 case CODEC_TYPE_VIDEO:
2613 for(j=0; j<opt_name_count; j++){
2614 const AVOption *opt;
2615 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2616 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2617 av_set_double(enc, opt_names[j], d);
2619 frame_height = enc->height;
2620 frame_width = enc->width;
2621 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2622 frame_pix_fmt = enc->pix_fmt;
2623 rfps = ic->streams[i]->r_frame_rate.num;
2624 rfps_base = ic->streams[i]->r_frame_rate.den;
2625 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2627 enc->debug |= FF_DEBUG_MV;
2629 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2632 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2633 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2635 (float)rfps / rfps_base, rfps, rfps_base);
2637 /* update the current frame rate to match the stream frame rate */
2638 frame_rate.num = rfps;
2639 frame_rate.den = rfps_base;
2641 enc->rate_emu = rate_emu;
2643 ic->streams[i]->discard= AVDISCARD_ALL;
2644 else if(video_discard)
2645 ic->streams[i]->discard= video_discard;
2647 case CODEC_TYPE_DATA:
2649 case CODEC_TYPE_SUBTITLE:
2650 if(subtitle_disable)
2651 ic->streams[i]->discard = AVDISCARD_ALL;
2653 case CODEC_TYPE_UNKNOWN:
2660 input_files[nb_input_files] = ic;
2661 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2662 /* dump the file content */
2664 dump_format(ic, nb_input_files, filename, 0);
2667 file_iformat = NULL;
2668 file_oformat = NULL;
2675 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2676 int *has_subtitle_ptr)
2678 int has_video, has_audio, has_subtitle, i, j;
2679 AVFormatContext *ic;
2684 for(j=0;j<nb_input_files;j++) {
2685 ic = input_files[j];
2686 for(i=0;i<ic->nb_streams;i++) {
2687 AVCodecContext *enc = ic->streams[i]->codec;
2688 switch(enc->codec_type) {
2689 case CODEC_TYPE_AUDIO:
2692 case CODEC_TYPE_VIDEO:
2695 case CODEC_TYPE_SUBTITLE:
2698 case CODEC_TYPE_DATA:
2699 case CODEC_TYPE_UNKNOWN:
2706 *has_video_ptr = has_video;
2707 *has_audio_ptr = has_audio;
2708 *has_subtitle_ptr = has_subtitle;
2711 static void new_video_stream(AVFormatContext *oc)
2714 AVCodecContext *video_enc;
2717 st = av_new_stream(oc, oc->nb_streams);
2719 fprintf(stderr, "Could not alloc stream\n");
2722 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2723 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2724 video_bitstream_filters= NULL;
2727 avcodec_thread_init(st->codec, thread_count);
2729 video_enc = st->codec;
2732 video_enc->codec_tag= video_codec_tag;
2734 if( (video_global_header&1)
2735 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2736 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2737 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2739 if(video_global_header&2){
2740 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2741 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2744 if (video_stream_copy) {
2745 st->stream_copy = 1;
2746 video_enc->codec_type = CODEC_TYPE_VIDEO;
2752 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2753 if (video_codec_name)
2754 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2756 video_enc->codec_id = codec_id;
2757 codec = avcodec_find_encoder(codec_id);
2759 for(i=0; i<opt_name_count; i++){
2760 const AVOption *opt;
2761 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2762 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2763 av_set_double(video_enc, opt_names[i], d);
2766 video_enc->time_base.den = frame_rate.num;
2767 video_enc->time_base.num = frame_rate.den;
2768 if(codec && codec->supported_framerates){
2769 const AVRational *p= codec->supported_framerates;
2770 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2771 const AVRational *best=NULL;
2772 AVRational best_error= (AVRational){INT_MAX, 1};
2773 for(; p->den!=0; p++){
2774 AVRational error= av_sub_q(req, *p);
2775 if(error.num <0) error.num *= -1;
2776 if(av_cmp_q(error, best_error) < 0){
2781 video_enc->time_base.den= best->num;
2782 video_enc->time_base.num= best->den;
2785 video_enc->width = frame_width + frame_padright + frame_padleft;
2786 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2787 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2788 video_enc->pix_fmt = frame_pix_fmt;
2790 if(codec && codec->pix_fmts){
2791 const enum PixelFormat *p= codec->pix_fmts;
2793 if(*p == video_enc->pix_fmt)
2797 video_enc->pix_fmt = codec->pix_fmts[0];
2801 video_enc->gop_size = 0;
2802 if (video_qscale || same_quality) {
2803 video_enc->flags |= CODEC_FLAG_QSCALE;
2804 video_enc->global_quality=
2805 st->quality = FF_QP2LAMBDA * video_qscale;
2809 video_enc->intra_matrix = intra_matrix;
2811 video_enc->inter_matrix = inter_matrix;
2813 video_enc->max_qdiff = video_qdiff;
2814 video_enc->rc_eq = video_rc_eq;
2815 video_enc->thread_count = thread_count;
2816 p= video_rc_override_string;
2819 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2821 fprintf(stderr, "error parsing rc_override\n");
2824 video_enc->rc_override=
2825 av_realloc(video_enc->rc_override,
2826 sizeof(RcOverride)*(i+1));
2827 video_enc->rc_override[i].start_frame= start;
2828 video_enc->rc_override[i].end_frame = end;
2830 video_enc->rc_override[i].qscale= q;
2831 video_enc->rc_override[i].quality_factor= 1.0;
2834 video_enc->rc_override[i].qscale= 0;
2835 video_enc->rc_override[i].quality_factor= -q/100.0;
2840 video_enc->rc_override_count=i;
2841 if (!video_enc->rc_initial_buffer_occupancy)
2842 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2843 video_enc->me_threshold= me_threshold;
2844 video_enc->intra_dc_precision= intra_dc_precision - 8;
2845 video_enc->strict_std_compliance = strict;
2848 video_enc->flags|= CODEC_FLAG_PSNR;
2853 video_enc->flags |= CODEC_FLAG_PASS1;
2855 video_enc->flags |= CODEC_FLAG_PASS2;
2860 /* reset some key parameters */
2862 av_freep(&video_codec_name);
2863 video_stream_copy = 0;
2866 static void new_audio_stream(AVFormatContext *oc)
2869 AVCodecContext *audio_enc;
2872 st = av_new_stream(oc, oc->nb_streams);
2874 fprintf(stderr, "Could not alloc stream\n");
2877 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2879 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2880 audio_bitstream_filters= NULL;
2883 avcodec_thread_init(st->codec, thread_count);
2885 audio_enc = st->codec;
2886 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2887 audio_enc->strict_std_compliance = strict;
2890 audio_enc->codec_tag= audio_codec_tag;
2892 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2893 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2894 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2896 if (audio_stream_copy) {
2897 st->stream_copy = 1;
2898 audio_enc->channels = audio_channels;
2900 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2902 for(i=0; i<opt_name_count; i++){
2903 const AVOption *opt;
2904 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2905 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2906 av_set_double(audio_enc, opt_names[i], d);
2909 if (audio_codec_name)
2910 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2911 audio_enc->codec_id = codec_id;
2913 if (audio_qscale > QSCALE_NONE) {
2914 audio_enc->flags |= CODEC_FLAG_QSCALE;
2915 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2917 audio_enc->thread_count = thread_count;
2918 audio_enc->channels = audio_channels;
2920 audio_enc->sample_rate = audio_sample_rate;
2921 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2922 if (audio_language) {
2923 av_strlcpy(st->language, audio_language, sizeof(st->language));
2924 av_free(audio_language);
2925 audio_language = NULL;
2928 /* reset some key parameters */
2930 av_freep(&audio_codec_name);
2931 audio_stream_copy = 0;
2934 static void new_subtitle_stream(AVFormatContext *oc)
2937 AVCodecContext *subtitle_enc;
2940 st = av_new_stream(oc, oc->nb_streams);
2942 fprintf(stderr, "Could not alloc stream\n");
2945 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2947 subtitle_enc = st->codec;
2948 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2949 if (subtitle_stream_copy) {
2950 st->stream_copy = 1;
2952 for(i=0; i<opt_name_count; i++){
2953 const AVOption *opt;
2954 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2955 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2956 av_set_double(subtitle_enc, opt_names[i], d);
2958 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2961 if (subtitle_language) {
2962 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2963 av_free(subtitle_language);
2964 subtitle_language = NULL;
2967 subtitle_disable = 0;
2968 av_freep(&subtitle_codec_name);
2969 subtitle_stream_copy = 0;
2972 static void opt_new_audio_stream(void)
2974 AVFormatContext *oc;
2975 if (nb_output_files <= 0) {
2976 fprintf(stderr, "At least one output file must be specified\n");
2979 oc = output_files[nb_output_files - 1];
2980 new_audio_stream(oc);
2983 static void opt_new_video_stream(void)
2985 AVFormatContext *oc;
2986 if (nb_output_files <= 0) {
2987 fprintf(stderr, "At least one output file must be specified\n");
2990 oc = output_files[nb_output_files - 1];
2991 new_video_stream(oc);
2994 static void opt_new_subtitle_stream(void)
2996 AVFormatContext *oc;
2997 if (nb_output_files <= 0) {
2998 fprintf(stderr, "At least one output file must be specified\n");
3001 oc = output_files[nb_output_files - 1];
3002 new_subtitle_stream(oc);
3005 static void opt_output_file(const char *filename)
3007 AVFormatContext *oc;
3008 int use_video, use_audio, use_subtitle;
3009 int input_has_video, input_has_audio, input_has_subtitle, i;
3010 AVFormatParameters params, *ap = ¶ms;
3012 if (!strcmp(filename, "-"))
3015 oc = av_alloc_format_context();
3017 if (!file_oformat) {
3018 file_oformat = guess_format(NULL, filename, NULL);
3019 if (!file_oformat) {
3020 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3026 oc->oformat = file_oformat;
3027 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3029 if (!strcmp(file_oformat->name, "ffm") &&
3030 av_strstart(filename, "http:", NULL)) {
3031 /* special case for files sent to ffserver: we get the stream
3032 parameters from ffserver */
3033 if (read_ffserver_streams(oc, filename) < 0) {
3034 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3038 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3039 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3040 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3042 /* disable if no corresponding type found and at least one
3044 if (nb_input_files > 0) {
3045 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3046 &input_has_subtitle);
3047 if (!input_has_video)
3049 if (!input_has_audio)
3051 if (!input_has_subtitle)
3055 /* manual disable */
3056 if (audio_disable) {
3059 if (video_disable) {
3062 if (subtitle_disable) {
3067 new_video_stream(oc);
3071 new_audio_stream(oc);
3075 new_subtitle_stream(oc);
3078 oc->timestamp = rec_timestamp;
3081 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3083 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3085 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3087 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3089 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3092 output_files[nb_output_files++] = oc;
3094 /* check filename in case of an image number is expected */
3095 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3096 if (!av_filename_number_test(oc->filename)) {
3097 print_error(oc->filename, AVERROR_NUMEXPECTED);
3102 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3103 /* test if it already exists to avoid loosing precious files */
3104 if (!file_overwrite &&
3105 (strchr(filename, ':') == NULL ||
3106 av_strstart(filename, "file:", NULL))) {
3107 if (url_exist(filename)) {
3110 if ( !using_stdin ) {
3111 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3114 if (toupper(c) != 'Y') {
3115 fprintf(stderr, "Not overwriting - exiting\n");
3120 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3127 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3128 fprintf(stderr, "Could not open '%s'\n", filename);
3133 memset(ap, 0, sizeof(*ap));
3134 if (av_set_parameters(oc, ap) < 0) {
3135 fprintf(stderr, "%s: Invalid encoding parameters\n",
3140 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3141 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3142 oc->loop_output = loop_output;
3144 for(i=0; i<opt_name_count; i++){
3145 const AVOption *opt;
3146 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3147 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3148 av_set_double(oc, opt_names[i], d);
3151 /* reset some options */
3152 file_oformat = NULL;
3153 file_iformat = NULL;
3156 /* same option as mencoder */
3157 static void opt_pass(const char *pass_str)
3160 pass = atoi(pass_str);
3161 if (pass != 1 && pass != 2) {
3162 fprintf(stderr, "pass number can be only 1 or 2\n");
3168 static int64_t getutime(void)
3170 #ifdef HAVE_GETRUSAGE
3171 struct rusage rusage;
3173 getrusage(RUSAGE_SELF, &rusage);
3174 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3175 #elif defined(HAVE_GETPROCESSTIMES)
3177 FILETIME c, e, k, u;
3178 proc = GetCurrentProcess();
3179 GetProcessTimes(proc, &c, &e, &k, &u);
3180 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3182 return av_gettime();
3186 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3187 extern int ffm_nopts;
3190 static void opt_show_formats(void)
3192 AVInputFormat *ifmt;
3193 AVOutputFormat *ofmt;
3196 const char *last_name;
3198 printf("File formats:\n");
3203 const char *name=NULL;
3204 const char *long_name=NULL;
3206 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3207 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3208 strcmp(ofmt->name, last_name)>0){
3210 long_name= ofmt->long_name;
3214 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3215 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3216 strcmp(ifmt->name, last_name)>0){
3218 long_name= ifmt->long_name;
3221 if(name && strcmp(ifmt->name, name)==0)
3233 long_name ? long_name:" ");
3237 printf("Codecs:\n");
3243 const char *type_str;
3246 for(p = first_avcodec; p != NULL; p = p->next) {
3247 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3248 strcmp(p->name, last_name)>0){
3250 decode= encode= cap=0;
3252 if(p2 && strcmp(p->name, p2->name)==0){
3253 if(p->decode) decode=1;
3254 if(p->encode) encode=1;
3255 cap |= p->capabilities;
3260 last_name= p2->name;
3263 case CODEC_TYPE_VIDEO:
3266 case CODEC_TYPE_AUDIO:
3269 case CODEC_TYPE_SUBTITLE:
3278 decode ? "D": (/*p2->decoder ? "d":*/" "),
3281 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3282 cap & CODEC_CAP_DR1 ? "D":" ",
3283 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3285 /* if(p2->decoder && decode==0)
3286 printf(" use %s for decoding", p2->decoder->name);*/
3291 printf("Supported file protocols:\n");
3292 for(up = first_protocol; up != NULL; up = up->next)
3293 printf(" %s:", up->name);
3296 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3299 "Note, the names of encoders and decoders do not always match, so there are\n"
3300 "several cases where the above table shows encoder only or decoder only entries\n"
3301 "even though both encoding and decoding are supported. For example, the h263\n"
3302 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3307 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3310 const char *p = str;
3317 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3324 static void opt_inter_matrix(const char *arg)
3326 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3327 parse_matrix_coeffs(inter_matrix, arg);
3330 static void opt_intra_matrix(const char *arg)
3332 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3333 parse_matrix_coeffs(intra_matrix, arg);
3336 static void opt_show_help(void)
3342 static void opt_target(const char *arg)
3345 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3347 if(!strncmp(arg, "pal-", 4)) {
3350 } else if(!strncmp(arg, "ntsc-", 5)) {
3353 } else if(!strncmp(arg, "film-", 5)) {
3358 /* Calculate FR via float to avoid int overflow */
3359 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3362 } else if((fr == 29970) || (fr == 23976)) {
3365 /* Try to determine PAL/NTSC by peeking in the input files */
3366 if(nb_input_files) {
3368 for(j = 0; j < nb_input_files; j++) {
3369 for(i = 0; i < input_files[j]->nb_streams; i++) {
3370 AVCodecContext *c = input_files[j]->streams[i]->codec;
3371 if(c->codec_type != CODEC_TYPE_VIDEO)
3373 fr = c->time_base.den * 1000 / c->time_base.num;
3377 } else if((fr == 29970) || (fr == 23976)) {
3387 if(verbose && norm >= 0)
3388 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3392 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3393 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3394 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3398 if(!strcmp(arg, "vcd")) {
3400 opt_video_codec("mpeg1video");
3401 opt_audio_codec("mp2");
3404 opt_frame_size(norm ? "352x240" : "352x288");
3405 opt_frame_rate(frame_rates[norm]);
3406 opt_default("gop", norm ? "18" : "15");
3408 opt_default("b", "1150000");
3409 opt_default("maxrate", "1150000");
3410 opt_default("minrate", "1150000");
3411 opt_default("bufsize", "327680"); // 40*1024*8;
3413 opt_default("ab", "224000");
3414 audio_sample_rate = 44100;
3417 opt_default("packetsize", "2324");
3418 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3420 /* We have to offset the PTS, so that it is consistent with the SCR.
3421 SCR starts at 36000, but the first two packs contain only padding
3422 and the first pack from the other stream, respectively, may also have
3423 been written before.
3424 So the real data starts at SCR 36000+3*1200. */
3425 mux_preload= (36000+3*1200) / 90000.0; //0.44
3426 } else if(!strcmp(arg, "svcd")) {
3428 opt_video_codec("mpeg2video");
3429 opt_audio_codec("mp2");
3432 opt_frame_size(norm ? "480x480" : "480x576");
3433 opt_frame_rate(frame_rates[norm]);
3434 opt_default("gop", norm ? "18" : "15");
3436 opt_default("b", "2040000");
3437 opt_default("maxrate", "2516000");
3438 opt_default("minrate", "0"); //1145000;
3439 opt_default("bufsize", "1835008"); //224*1024*8;
3440 opt_default("flags", "+SCAN_OFFSET");
3443 opt_default("ab", "224000");
3444 audio_sample_rate = 44100;
3446 opt_default("packetsize", "2324");
3448 } else if(!strcmp(arg, "dvd")) {
3450 opt_video_codec("mpeg2video");
3451 opt_audio_codec("ac3");
3454 opt_frame_size(norm ? "720x480" : "720x576");
3455 opt_frame_rate(frame_rates[norm]);
3456 opt_default("gop", norm ? "18" : "15");
3458 opt_default("b", "6000000");
3459 opt_default("maxrate", "9000000");
3460 opt_default("minrate", "0"); //1500000;
3461 opt_default("bufsize", "1835008"); //224*1024*8;
3463 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3464 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3466 opt_default("ab", "448000");
3467 audio_sample_rate = 48000;
3469 } else if(!strncmp(arg, "dv", 2)) {
3473 opt_frame_size(norm ? "720x480" : "720x576");
3474 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3475 (norm ? "yuv411p" : "yuv420p"));
3476 opt_frame_rate(frame_rates[norm]);
3478 audio_sample_rate = 48000;
3482 fprintf(stderr, "Unknown target: %s\n", arg);
3487 static void opt_vstats_file (const char *arg)
3489 av_free (vstats_filename);
3490 vstats_filename=av_strdup (arg);
3493 static void opt_vstats (void)
3496 time_t today2 = time(NULL);
3497 struct tm *today = localtime(&today2);
3499 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3501 opt_vstats_file(filename);
3504 static void opt_video_bsf(const char *arg)
3506 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3507 AVBitStreamFilterContext **bsfp;
3510 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3514 bsfp= &video_bitstream_filters;
3516 bsfp= &(*bsfp)->next;
3521 //FIXME avoid audio - video code duplication
3522 static void opt_audio_bsf(const char *arg)
3524 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3525 AVBitStreamFilterContext **bsfp;
3528 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3532 bsfp= &audio_bitstream_filters;
3534 bsfp= &(*bsfp)->next;
3539 static void opt_show_version(void)
3541 /* TODO: add function interface to avutil and avformat */
3542 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3546 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3550 static int opt_default(const char *opt, const char *arg){
3552 const AVOption *o= NULL;
3553 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3555 for(type=0; type<CODEC_TYPE_NB; type++){
3556 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3558 o = av_set_string(avctx_opts[type], opt, arg);
3561 o = av_set_string(avformat_opts, opt, arg);
3563 o = av_set_string(sws_opts, opt, arg);
3566 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3567 else if(opt[0] == 'v')
3568 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3569 else if(opt[0] == 's')
3570 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3575 // 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));
3577 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3578 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3579 opt_names[opt_name_count++]= o->name;
3581 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3582 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3583 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3587 if(avctx_opts[0]->debug)
3588 av_log_level = AV_LOG_DEBUG;
3592 const OptionDef options[] = {
3594 { "L", 0, {(void*)opt_show_license}, "show license" },
3595 { "h", 0, {(void*)opt_show_help}, "show help" },
3596 { "version", 0, {(void*)opt_show_version}, "show version" },
3597 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3598 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3599 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3600 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3601 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3602 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3603 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3604 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3605 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3606 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3607 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3608 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3609 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3610 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3611 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3612 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3613 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3614 "add timings for benchmarking" },
3615 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3616 "dump each input packet" },
3617 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3618 "when dumping packets, also dump the payload" },
3619 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3620 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3621 { "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)", "" },
3622 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3623 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3624 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3625 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3626 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3627 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3628 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3629 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3630 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3631 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3634 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3635 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3636 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3637 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3638 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3639 { "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" },
3640 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3641 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3642 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3643 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3644 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3645 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3646 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3647 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3648 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3649 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3650 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3651 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3652 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3653 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3654 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3655 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3656 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3657 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3658 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3659 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3660 "use same video quality as source (implies VBR)" },
3661 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3662 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3663 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3664 "deinterlace pictures" },
3665 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3666 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3667 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3669 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3671 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3672 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3673 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3674 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3675 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3676 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3677 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3680 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3681 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3682 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3683 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3684 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3685 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3686 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3687 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3688 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3689 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3691 /* subtitle options */
3692 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3693 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3694 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3695 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3698 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3699 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3700 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3703 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3704 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3706 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3707 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3709 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3713 static void show_banner(void)
3715 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3716 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3717 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3718 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3719 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3720 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3722 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3724 fprintf(stderr, ", using a non-gcc compiler\n");
3728 static void opt_show_license(void)
3732 "FFmpeg is free software; you can redistribute it and/or modify\n"
3733 "it under the terms of the GNU General Public License as published by\n"
3734 "the Free Software Foundation; either version 2 of the License, or\n"
3735 "(at your option) any later version.\n"
3737 "FFmpeg is distributed in the hope that it will be useful,\n"
3738 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3739 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3740 "GNU General Public License for more details.\n"
3742 "You should have received a copy of the GNU General Public License\n"
3743 "along with FFmpeg; if not, write to the Free Software\n"
3744 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3748 "FFmpeg is free software; you can redistribute it and/or\n"
3749 "modify it under the terms of the GNU Lesser General Public\n"
3750 "License as published by the Free Software Foundation; either\n"
3751 "version 2.1 of the License, or (at your option) any later version.\n"
3753 "FFmpeg is distributed in the hope that it will be useful,\n"
3754 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3755 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3756 "Lesser General Public License for more details.\n"
3758 "You should have received a copy of the GNU Lesser General Public\n"
3759 "License along with FFmpeg; if not, write to the Free Software\n"
3760 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3767 * Trivial log callback.
3768 * Only suitable for show_help and similar since it lacks prefix handling.
3770 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3772 vfprintf(stdout, fmt, vl);
3775 static void show_help(void)
3777 av_log_set_callback(log_callback_help);
3778 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3779 "Hyper fast Audio and Video encoder\n");
3781 show_help_options(options, "Main options:\n",
3782 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3783 show_help_options(options, "\nVideo options:\n",
3784 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3786 show_help_options(options, "\nAdvanced Video options:\n",
3787 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3788 OPT_VIDEO | OPT_EXPERT);
3789 show_help_options(options, "\nAudio options:\n",
3790 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3792 show_help_options(options, "\nAdvanced Audio options:\n",
3793 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3794 OPT_AUDIO | OPT_EXPERT);
3795 show_help_options(options, "\nSubtitle options:\n",
3796 OPT_SUBTITLE | OPT_GRAB,
3798 show_help_options(options, "\nAudio/Video grab options:\n",
3801 show_help_options(options, "\nAdvanced options:\n",
3802 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3804 av_opt_show(avctx_opts[0], NULL);
3805 av_opt_show(avformat_opts, NULL);
3806 av_opt_show(sws_opts, NULL);
3809 void parse_arg_file(const char *filename)
3811 opt_output_file(filename);
3814 int main(int argc, char **argv)
3821 for(i=0; i<CODEC_TYPE_NB; i++){
3822 avctx_opts[i]= avcodec_alloc_context2(i);
3824 avformat_opts = av_alloc_format_context();
3825 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3834 parse_options(argc, argv, options);
3836 /* file converter / grab */
3837 if (nb_output_files <= 0) {
3838 fprintf(stderr, "Must supply at least one output file\n");
3842 if (nb_input_files == 0) {
3843 fprintf(stderr, "Must supply at least one input file\n");
3848 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3849 stream_maps, nb_stream_maps);
3850 ti = getutime() - ti;
3852 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3856 for(i=0;i<nb_output_files;i++) {
3857 /* maybe av_close_output_file ??? */
3858 AVFormatContext *s = output_files[i];
3860 if (!(s->oformat->flags & AVFMT_NOFILE))
3862 for(j=0;j<s->nb_streams;j++) {
3863 av_free(s->streams[j]->codec);
3864 av_free(s->streams[j]);
3868 for(i=0;i<nb_input_files;i++)
3869 av_close_input_file(input_files[i]);
3873 av_free(intra_matrix);
3874 av_free(inter_matrix);
3878 av_free(vstats_filename);
3882 av_free(video_codec_name);
3883 av_free(audio_codec_name);
3884 av_free(subtitle_codec_name);
3886 av_free(video_standard);
3888 #ifdef CONFIG_POWERPC_PERF
3889 extern void powerpc_display_perf_report(void);
3890 powerpc_display_perf_report();
3891 #endif /* CONFIG_POWERPC_PERF */
3893 if (received_sigterm) {
3895 "Received signal %d: terminating.\n",
3896 (int) received_sigterm);
3900 exit(0); /* not all OS-es handle main() return value */