3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
32 #include "framehook.h"
37 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
41 #if defined(HAVE_TERMIOS_H)
44 #include <sys/ioctl.h>
47 #include <sys/resource.h>
48 #elif defined(HAVE_CONIO_H)
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
60 #if !defined(INFINITY) && defined(HUGE_VAL)
61 #define INFINITY HUGE_VAL
66 /* select an input stream for an output stream */
67 typedef struct AVStreamMap {
71 int sync_stream_index;
74 /** select an input file for an output file */
75 typedef struct AVMetaDataMap {
80 extern const OptionDef options[];
82 static void show_help(void);
83 static void show_license(void);
84 static int opt_default(const char *opt, const char *arg);
88 static AVFormatContext *input_files[MAX_FILES];
89 static int64_t input_files_ts_offset[MAX_FILES];
90 static int nb_input_files = 0;
92 static AVFormatContext *output_files[MAX_FILES];
93 static int nb_output_files = 0;
95 static AVStreamMap stream_maps[MAX_FILES];
96 static int nb_stream_maps;
98 static AVMetaDataMap meta_data_maps[MAX_FILES];
99 static int nb_meta_data_maps;
101 static AVInputFormat *file_iformat;
102 static AVOutputFormat *file_oformat;
103 static int frame_width = 0;
104 static int frame_height = 0;
105 static float frame_aspect_ratio = 0;
106 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107 static int frame_padtop = 0;
108 static int frame_padbottom = 0;
109 static int frame_padleft = 0;
110 static int frame_padright = 0;
111 static int padcolor[3] = {16,128,128}; /* default to black */
112 static int frame_topBand = 0;
113 static int frame_bottomBand = 0;
114 static int frame_leftBand = 0;
115 static int frame_rightBand = 0;
116 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117 static AVRational frame_rate = (AVRational) {25,1};
118 static float video_qscale = 0;
119 static int video_qdiff = 3;
120 static uint16_t *intra_matrix = NULL;
121 static uint16_t *inter_matrix = NULL;
122 #if 0 //experimental, (can be removed)
123 static float video_rc_qsquish=1.0;
124 static float video_rc_qmod_amp=0;
125 static int video_rc_qmod_freq=0;
127 static char *video_rc_override_string=NULL;
128 static char *video_rc_eq="tex^qComp";
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static int video_codec_id = CODEC_ID_NONE;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static int audio_codec_id = CODEC_ID_NONE;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static int subtitle_codec_id = CODEC_ID_NONE;
155 static char *subtitle_language = NULL;
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static int copy_ts= 0;
182 static int opt_shortest = 0; //
183 static int video_global_header = 0;
184 static char *vstats_filename;
185 static FILE *fvstats;
187 static int rate_emu = 0;
189 static int video_channel = 0;
190 static char *video_standard;
192 static int audio_volume = 256;
194 static int using_stdin = 0;
195 static int using_vhook = 0;
196 static int verbose = 1;
197 static int thread_count= 1;
198 static int q_pressed = 0;
199 static int64_t video_size = 0;
200 static int64_t audio_size = 0;
201 static int64_t extra_size = 0;
202 static int nb_frames_dup = 0;
203 static int nb_frames_drop = 0;
204 static int input_sync;
205 static uint64_t limit_filesize = 0; //
207 static int pgmyuv_compatibility_hack=0;
208 static int dts_delta_threshold = 10;
210 static int sws_flags = SWS_BICUBIC;
212 static const char **opt_names;
213 static int opt_name_count;
214 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
215 static AVFormatContext *avformat_opts;
216 static struct SwsContext *sws_opts;
217 static int64_t timer_start;
219 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225 struct AVInputStream;
227 typedef struct AVOutputStream {
228 int file_index; /* file index */
229 int index; /* stream index in the output file */
230 int source_index; /* AVInputStream index */
231 AVStream *st; /* stream in the output file */
232 int encoding_needed; /* true if encoding needed for this stream */
234 /* input pts and corresponding output pts
236 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
237 struct AVInputStream *sync_ist; /* input stream to sync against */
238 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
246 int topBand; /* cropping area sizes */
250 int padtop; /* padding area sizes */
257 ReSampleContext *resample; /* for audio resampling */
258 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
262 typedef struct AVInputStream {
266 int discard; /* true if stream data should be discarded */
267 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
268 int64_t sample_index; /* current sample */
270 int64_t start; /* time when read started */
271 unsigned long frame; /* current frame */
272 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 int64_t pts; /* current pts */
275 int is_start; /* is 1 at the start and after a discontinuity */
278 typedef struct AVInputFile {
279 int eof_reached; /* true if eof reached */
280 int ist_index; /* index of first stream in ist_table */
281 int buffer_size; /* current total buffer size */
282 int nb_streams; /* nb streams we are aware of */
285 #ifdef HAVE_TERMIOS_H
287 /* init terminal so that we can grab keys */
288 static struct termios oldtty;
291 static void term_exit(void)
293 #ifdef HAVE_TERMIOS_H
294 tcsetattr (0, TCSANOW, &oldtty);
298 static volatile sig_atomic_t received_sigterm = 0;
301 sigterm_handler(int sig)
303 received_sigterm = sig;
307 static void term_init(void)
309 #ifdef HAVE_TERMIOS_H
315 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
316 |INLCR|IGNCR|ICRNL|IXON);
317 tty.c_oflag |= OPOST;
318 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
319 tty.c_cflag &= ~(CSIZE|PARENB);
324 tcsetattr (0, TCSANOW, &tty);
325 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 register a function to be called at normal program termination
334 #ifdef CONFIG_BEOS_NETSERVER
335 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
339 /* read a key without blocking */
340 static int read_key(void)
342 #if defined(HAVE_TERMIOS_H)
345 #ifndef CONFIG_BEOS_NETSERVER
353 n = select(1, &rfds, NULL, NULL, &tv);
362 #elif defined(HAVE_CONIO_H)
369 static int decode_interrupt_cb(void)
371 return q_pressed || (q_pressed = read_key() == 'q');
374 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
379 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
382 /* copy stream format */
383 s->nb_streams = ic->nb_streams;
384 for(i=0;i<ic->nb_streams;i++) {
387 // FIXME: a more elegant solution is needed
388 st = av_mallocz(sizeof(AVStream));
389 memcpy(st, ic->streams[i], sizeof(AVStream));
390 st->codec = avcodec_alloc_context();
391 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
395 av_close_input_file(ic);
400 get_sync_ipts(const AVOutputStream *ost)
402 const AVInputStream *ist = ost->sync_ist;
403 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
406 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
408 AVPacket new_pkt= *pkt;
409 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
410 &new_pkt.data, &new_pkt.size,
411 pkt->data, pkt->size,
412 pkt->flags & PKT_FLAG_KEY);
415 new_pkt.destruct= av_destruct_packet;
422 av_interleaved_write_frame(s, pkt);
425 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
427 static void do_audio_out(AVFormatContext *s,
430 unsigned char *buf, int size)
433 static uint8_t *audio_buf = NULL;
434 static uint8_t *audio_out = NULL;
435 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
437 int size_out, frame_bytes, ret;
438 AVCodecContext *enc= ost->st->codec;
440 /* SC: dynamic allocation of buffers */
442 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
444 audio_out = av_malloc(audio_out_size);
445 if (!audio_buf || !audio_out)
446 return; /* Should signal an error ! */
448 if(audio_sync_method){
449 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
450 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
451 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
452 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
454 //FIXME resample delay
455 if(fabs(delta) > 50){
458 byte_delta= FFMAX(byte_delta, -size);
462 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
467 static uint8_t *input_tmp= NULL;
468 input_tmp= av_realloc(input_tmp, byte_delta + size);
470 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
473 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
475 memset(input_tmp, 0, byte_delta);
476 memcpy(input_tmp + byte_delta, buf, size);
480 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
482 }else if(audio_sync_method>1){
483 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
484 assert(ost->audio_resample);
486 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
487 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2));
488 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
492 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
493 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
495 if (ost->audio_resample) {
497 size_out = audio_resample(ost->resample,
498 (short *)buftmp, (short *)buf,
499 size / (ist->st->codec->channels * 2));
500 size_out = size_out * enc->channels * 2;
506 /* now encode as many frames as possible */
507 if (enc->frame_size > 1) {
508 /* output resampled raw samples */
509 av_fifo_write(&ost->fifo, buftmp, size_out);
511 frame_bytes = enc->frame_size * 2 * enc->channels;
513 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
515 av_init_packet(&pkt);
517 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
520 pkt.stream_index= ost->index;
523 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
524 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
525 pkt.flags |= PKT_FLAG_KEY;
526 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
528 ost->sync_opts += enc->frame_size;
532 av_init_packet(&pkt);
534 ost->sync_opts += size_out / (2 * enc->channels);
536 /* output a pcm frame */
537 /* XXX: change encoding codec API to avoid this ? */
538 switch(enc->codec->id) {
539 case CODEC_ID_PCM_S32LE:
540 case CODEC_ID_PCM_S32BE:
541 case CODEC_ID_PCM_U32LE:
542 case CODEC_ID_PCM_U32BE:
543 size_out = size_out << 1;
545 case CODEC_ID_PCM_S24LE:
546 case CODEC_ID_PCM_S24BE:
547 case CODEC_ID_PCM_U24LE:
548 case CODEC_ID_PCM_U24BE:
549 case CODEC_ID_PCM_S24DAUD:
550 size_out = size_out / 2 * 3;
552 case CODEC_ID_PCM_S16LE:
553 case CODEC_ID_PCM_S16BE:
554 case CODEC_ID_PCM_U16LE:
555 case CODEC_ID_PCM_U16BE:
558 size_out = size_out >> 1;
561 ret = avcodec_encode_audio(enc, audio_out, size_out,
564 pkt.stream_index= ost->index;
567 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
568 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
569 pkt.flags |= PKT_FLAG_KEY;
570 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
574 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
578 AVPicture picture_tmp;
581 dec = ist->st->codec;
583 /* deinterlace : must be done before any resize */
584 if (do_deinterlace || using_vhook) {
587 /* create temporary picture */
588 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
589 buf = av_malloc(size);
593 picture2 = &picture_tmp;
594 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
597 if(avpicture_deinterlace(picture2, picture,
598 dec->pix_fmt, dec->width, dec->height) < 0) {
599 /* if error, do not deinterlace */
605 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
612 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
613 1000000 * ist->pts / AV_TIME_BASE);
615 if (picture != picture2)
616 *picture = *picture2;
620 /* we begin to correct av delay at this threshold */
621 #define AV_DELAY_MAX 0.100
623 static void do_subtitle_out(AVFormatContext *s,
629 static uint8_t *subtitle_out = NULL;
630 int subtitle_out_max_size = 65536;
631 int subtitle_out_size, nb, i;
635 if (pts == AV_NOPTS_VALUE) {
636 fprintf(stderr, "Subtitle packets must have a pts\n");
640 enc = ost->st->codec;
643 subtitle_out = av_malloc(subtitle_out_max_size);
646 /* Note: DVB subtitle need one packet to draw them and one other
647 packet to clear them */
648 /* XXX: signal it in the codec context ? */
649 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
654 for(i = 0; i < nb; i++) {
655 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
656 subtitle_out_max_size, sub);
658 av_init_packet(&pkt);
659 pkt.stream_index = ost->index;
660 pkt.data = subtitle_out;
661 pkt.size = subtitle_out_size;
662 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
663 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
664 /* XXX: the pts correction is handled here. Maybe handling
665 it in the codec would be better */
667 pkt.pts += 90 * sub->start_display_time;
669 pkt.pts += 90 * sub->end_display_time;
671 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
675 static int bit_buffer_size= 1024*256;
676 static uint8_t *bit_buffer= NULL;
678 static void do_video_out(AVFormatContext *s,
684 int nb_frames, i, ret;
685 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
686 AVFrame picture_crop_temp, picture_pad_temp;
687 AVCodecContext *enc, *dec;
689 avcodec_get_frame_defaults(&picture_crop_temp);
690 avcodec_get_frame_defaults(&picture_pad_temp);
692 enc = ost->st->codec;
693 dec = ist->st->codec;
695 /* by default, we output a single frame */
700 if(video_sync_method){
702 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
703 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
706 else if (vdelta > 1.1)
707 nb_frames = lrintf(vdelta);
708 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
712 fprintf(stderr, "*** drop!\n");
713 }else if (nb_frames > 1) {
714 nb_frames_dup += nb_frames;
716 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
719 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
721 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
725 if (ost->video_crop) {
726 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
727 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
730 formatted_picture = &picture_crop_temp;
732 formatted_picture = in_picture;
735 final_picture = formatted_picture;
736 padding_src = formatted_picture;
737 resampling_dst = &ost->pict_tmp;
738 if (ost->video_pad) {
739 final_picture = &ost->pict_tmp;
740 if (ost->video_resample) {
741 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
742 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
745 resampling_dst = &picture_pad_temp;
749 if (ost->video_resample) {
751 final_picture = &ost->pict_tmp;
752 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
753 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
756 if (ost->video_pad) {
757 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
758 enc->height, enc->width, enc->pix_fmt,
759 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
762 /* duplicates frame if needed */
763 for(i=0;i<nb_frames;i++) {
765 av_init_packet(&pkt);
766 pkt.stream_index= ost->index;
768 if (s->oformat->flags & AVFMT_RAWPICTURE) {
769 /* raw pictures are written as AVPicture structure to
770 avoid any copies. We support temorarily the older
772 AVFrame* old_frame = enc->coded_frame;
773 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
774 pkt.data= (uint8_t *)final_picture;
775 pkt.size= sizeof(AVPicture);
776 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
777 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
778 if(dec->coded_frame && dec->coded_frame->key_frame)
779 pkt.flags |= PKT_FLAG_KEY;
781 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
782 enc->coded_frame = old_frame;
786 big_picture= *final_picture;
787 /* better than nothing: use input picture interlaced
789 big_picture.interlaced_frame = in_picture->interlaced_frame;
790 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
791 if(top_field_first == -1)
792 big_picture.top_field_first = in_picture->top_field_first;
794 big_picture.top_field_first = top_field_first;
797 /* handles sameq here. This is not correct because it may
798 not be a global option */
800 big_picture.quality = ist->st->quality;
802 big_picture.quality = ost->st->quality;
804 big_picture.pict_type = 0;
805 // big_picture.pts = AV_NOPTS_VALUE;
806 big_picture.pts= ost->sync_opts;
807 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
808 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
809 ret = avcodec_encode_video(enc,
810 bit_buffer, bit_buffer_size,
813 fprintf(stderr, "Video encoding failed\n");
816 //enc->frame_number = enc->real_pict_num;
818 pkt.data= bit_buffer;
820 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
821 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
822 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
823 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
824 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
826 if(enc->coded_frame && enc->coded_frame->key_frame)
827 pkt.flags |= PKT_FLAG_KEY;
828 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
830 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
831 // enc->frame_number-1, enc->real_pict_num, ret,
833 /* if two pass, output log */
834 if (ost->logfile && enc->stats_out) {
835 fprintf(ost->logfile, "%s", enc->stats_out);
844 static double psnr(double d){
845 if(d==0) return INFINITY;
846 return -10.0*log(d)/log(10.0);
849 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
854 double ti1, bitrate, avg_bitrate;
856 /* this is executed just the first time do_video_stats is called */
858 fvstats = fopen(vstats_filename, "w");
865 enc = ost->st->codec;
866 if (enc->codec_type == CODEC_TYPE_VIDEO) {
867 frame_number = ost->frame_number;
868 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
869 if (enc->flags&CODEC_FLAG_PSNR)
870 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872 fprintf(fvstats,"f_size= %6d ", frame_size);
873 /* compute pts value */
874 ti1 = ost->sync_opts * av_q2d(enc->time_base);
878 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
879 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
880 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
881 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
882 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
886 static void print_report(AVFormatContext **output_files,
887 AVOutputStream **ost_table, int nb_ostreams,
892 AVFormatContext *oc, *os;
895 int frame_number, vid, i;
896 double bitrate, ti1, pts;
897 static int64_t last_time = -1;
898 static int qp_histogram[52];
900 if (!is_last_report) {
902 /* display the report every 0.5 seconds */
903 cur_time = av_gettime();
904 if (last_time == -1) {
905 last_time = cur_time;
908 if ((cur_time - last_time) < 500000)
910 last_time = cur_time;
914 oc = output_files[0];
916 total_size = url_fsize(&oc->pb);
917 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
918 total_size= url_ftell(&oc->pb);
923 for(i=0;i<nb_ostreams;i++) {
925 os = output_files[ost->file_index];
926 enc = ost->st->codec;
927 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
929 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
931 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 float t = (av_gettime()-timer_start) / 1000000.0;
934 frame_number = ost->frame_number;
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
936 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
937 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940 if(qp_hist && enc->coded_frame){
942 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
946 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948 if (enc->flags&CODEC_FLAG_PSNR){
950 double error, error_sum=0;
951 double scale, scale_sum=0;
952 char type[3]= {'Y','U','V'};
953 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
956 error= enc->error[j];
957 scale= enc->width*enc->height*255.0*255.0*frame_number;
959 error= enc->coded_frame->error[j];
960 scale= enc->width*enc->height*255.0*255.0;
965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
971 /* compute min output value */
972 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
973 if ((pts < ti1) && (pts > 0))
979 if (verbose || is_last_report) {
980 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984 (double)total_size / 1024, ti1, bitrate);
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988 nb_frames_dup, nb_frames_drop);
991 fprintf(stderr, "%s \r", buf);
996 if (is_last_report && verbose >= 0){
997 int64_t raw= audio_size + video_size + extra_size;
998 fprintf(stderr, "\n");
999 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1003 100.0*(total_size - raw)/raw
1008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1009 static int output_packet(AVInputStream *ist, int ist_index,
1010 AVOutputStream **ost_table, int nb_ostreams,
1011 const AVPacket *pkt)
1013 AVFormatContext *os;
1014 AVOutputStream *ost;
1018 int data_size, got_picture;
1020 void *buffer_to_free;
1021 static unsigned int samples_size= 0;
1022 static short *samples= NULL;
1023 AVSubtitle subtitle, *subtitle_to_free;
1027 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031 // assert(ist->pts == ist->next_pts);
1045 /* decode the packet if needed */
1046 data_buf = NULL; /* fail safe */
1048 subtitle_to_free = NULL;
1049 if (ist->decoding_needed) {
1050 switch(ist->st->codec->codec_type) {
1051 case CODEC_TYPE_AUDIO:{
1053 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054 data_size= samples_size;
1055 /* XXX: could avoid copy if PCM 16 bits with same
1056 endianness as CPU */
1057 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1063 /* Some bug in mpeg audio decoder gives */
1064 /* data_size < 0, it seems they are overflows */
1065 if (data_size <= 0) {
1066 /* no audio frame */
1069 data_buf = (uint8_t *)samples;
1070 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071 (ist->st->codec->sample_rate * ist->st->codec->channels);
1073 case CODEC_TYPE_VIDEO:
1074 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075 /* XXX: allocate picture correctly */
1076 avcodec_get_frame_defaults(&picture);
1078 ret = avcodec_decode_video(ist->st->codec,
1079 &picture, &got_picture, ptr, len);
1080 ist->st->quality= picture.quality;
1084 /* no picture yet */
1085 goto discard_packet;
1087 if (ist->st->codec->time_base.num != 0) {
1088 ist->next_pts += ((int64_t)AV_TIME_BASE *
1089 ist->st->codec->time_base.num) /
1090 ist->st->codec->time_base.den;
1094 case CODEC_TYPE_SUBTITLE:
1095 ret = avcodec_decode_subtitle(ist->st->codec,
1096 &subtitle, &got_subtitle, ptr, len);
1099 if (!got_subtitle) {
1100 goto discard_packet;
1102 subtitle_to_free = &subtitle;
1109 switch(ist->st->codec->codec_type) {
1110 case CODEC_TYPE_AUDIO:
1111 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112 (ist->st->codec->sample_rate * ist->st->codec->channels);
1114 case CODEC_TYPE_VIDEO:
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1128 buffer_to_free = NULL;
1129 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130 pre_process_video_frame(ist, (AVPicture *)&picture,
1134 // preprocess audio (volume)
1135 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136 if (audio_volume != 256) {
1139 for(i=0;i<(data_size / sizeof(short));i++) {
1140 int v = ((*volp) * audio_volume + 128) >> 8;
1141 if (v < -32768) v = -32768;
1142 if (v > 32767) v = 32767;
1148 /* frame rate emulation */
1149 if (ist->st->codec->rate_emu) {
1150 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151 int64_t now = av_gettime() - ist->start;
1159 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160 is the one of the next displayed one */
1161 /* XXX: add mpeg4 too ? */
1162 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163 if (ist->st->codec->pict_type != B_TYPE) {
1165 tmp = ist->last_ip_pts;
1166 ist->last_ip_pts = ist->frac_pts.val;
1167 ist->frac_pts.val = tmp;
1171 /* if output time reached then transcode raw format,
1172 encode packets and output them */
1173 if (start_time == 0 || ist->pts >= start_time)
1174 for(i=0;i<nb_ostreams;i++) {
1178 if (ost->source_index == ist_index) {
1179 os = output_files[ost->file_index];
1182 printf("%d: got pts=%0.3f %0.3f\n", i,
1183 (double)pkt->pts / AV_TIME_BASE,
1184 ((double)ist->pts / AV_TIME_BASE) -
1185 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187 /* set the input output pts pairs */
1188 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190 if (ost->encoding_needed) {
1191 switch(ost->st->codec->codec_type) {
1192 case CODEC_TYPE_AUDIO:
1193 do_audio_out(os, ost, ist, data_buf, data_size);
1195 case CODEC_TYPE_VIDEO:
1196 do_video_out(os, ost, ist, &picture, &frame_size);
1197 video_size += frame_size;
1198 if (vstats_filename && frame_size)
1199 do_video_stats(os, ost, frame_size);
1201 case CODEC_TYPE_SUBTITLE:
1202 do_subtitle_out(os, ost, ist, &subtitle,
1209 AVFrame avframe; //FIXME/XXX remove this
1211 av_init_packet(&opkt);
1213 /* no reencoding needed : output the packet directly */
1214 /* force the input stream PTS */
1216 avcodec_get_frame_defaults(&avframe);
1217 ost->st->codec->coded_frame= &avframe;
1218 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1220 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1221 audio_size += data_size;
1222 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1223 video_size += data_size;
1227 opkt.stream_index= ost->index;
1228 if(pkt->pts != AV_NOPTS_VALUE)
1229 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1231 opkt.pts= AV_NOPTS_VALUE;
1235 if (pkt->dts == AV_NOPTS_VALUE)
1236 dts = ist->next_pts;
1238 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1239 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1241 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1242 opkt.flags= pkt->flags;
1244 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1245 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1246 opkt.destruct= av_destruct_packet;
1248 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1249 ost->st->codec->frame_number++;
1250 ost->frame_number++;
1251 av_free_packet(&opkt);
1255 av_free(buffer_to_free);
1256 /* XXX: allocate the subtitles in the codec ? */
1257 if (subtitle_to_free) {
1258 if (subtitle_to_free->rects != NULL) {
1259 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1260 av_free(subtitle_to_free->rects[i].bitmap);
1261 av_free(subtitle_to_free->rects[i].rgba_palette);
1263 av_freep(&subtitle_to_free->rects);
1265 subtitle_to_free->num_rects = 0;
1266 subtitle_to_free = NULL;
1273 for(i=0;i<nb_ostreams;i++) {
1275 if (ost->source_index == ist_index) {
1276 AVCodecContext *enc= ost->st->codec;
1277 os = output_files[ost->file_index];
1279 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1284 if (ost->encoding_needed) {
1288 av_init_packet(&pkt);
1289 pkt.stream_index= ost->index;
1291 switch(ost->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:
1293 fifo_bytes = av_fifo_size(&ost->fifo);
1295 /* encode any samples remaining in fifo */
1296 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1297 int fs_tmp = enc->frame_size;
1298 enc->frame_size = fifo_bytes / (2 * enc->channels);
1299 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1300 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302 enc->frame_size = fs_tmp;
1305 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1308 pkt.flags |= PKT_FLAG_KEY;
1310 case CODEC_TYPE_VIDEO:
1311 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313 if(enc->coded_frame && enc->coded_frame->key_frame)
1314 pkt.flags |= PKT_FLAG_KEY;
1315 if (ost->logfile && enc->stats_out) {
1316 fprintf(ost->logfile, "%s", enc->stats_out);
1325 pkt.data= bit_buffer;
1327 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1328 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1329 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1343 * The following code is the main loop of the file converter
1345 static int av_encode(AVFormatContext **output_files,
1346 int nb_output_files,
1347 AVFormatContext **input_files,
1349 AVStreamMap *stream_maps, int nb_stream_maps)
1351 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1352 AVFormatContext *is, *os;
1353 AVCodecContext *codec, *icodec;
1354 AVOutputStream *ost, **ost_table = NULL;
1355 AVInputStream *ist, **ist_table = NULL;
1356 AVInputFile *file_table;
1359 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1363 /* input stream init */
1365 for(i=0;i<nb_input_files;i++) {
1366 is = input_files[i];
1367 file_table[i].ist_index = j;
1368 file_table[i].nb_streams = is->nb_streams;
1369 j += is->nb_streams;
1373 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1377 for(i=0;i<nb_istreams;i++) {
1378 ist = av_mallocz(sizeof(AVInputStream));
1384 for(i=0;i<nb_input_files;i++) {
1385 is = input_files[i];
1386 for(k=0;k<is->nb_streams;k++) {
1387 ist = ist_table[j++];
1388 ist->st = is->streams[k];
1389 ist->file_index = i;
1391 ist->discard = 1; /* the stream is discarded by default
1394 if (ist->st->codec->rate_emu) {
1395 ist->start = av_gettime();
1401 /* output stream init */
1403 for(i=0;i<nb_output_files;i++) {
1404 os = output_files[i];
1405 if (!os->nb_streams) {
1406 fprintf(stderr, "Output file does not contain any stream\n");
1409 nb_ostreams += os->nb_streams;
1411 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1412 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1416 /* Sanity check the mapping args -- do the input files & streams exist? */
1417 for(i=0;i<nb_stream_maps;i++) {
1418 int fi = stream_maps[i].file_index;
1419 int si = stream_maps[i].stream_index;
1421 if (fi < 0 || fi > nb_input_files - 1 ||
1422 si < 0 || si > file_table[fi].nb_streams - 1) {
1423 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1426 fi = stream_maps[i].sync_file_index;
1427 si = stream_maps[i].sync_stream_index;
1428 if (fi < 0 || fi > nb_input_files - 1 ||
1429 si < 0 || si > file_table[fi].nb_streams - 1) {
1430 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1435 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1438 for(i=0;i<nb_ostreams;i++) {
1439 ost = av_mallocz(sizeof(AVOutputStream));
1446 for(k=0;k<nb_output_files;k++) {
1447 os = output_files[k];
1448 for(i=0;i<os->nb_streams;i++) {
1450 ost = ost_table[n++];
1451 ost->file_index = k;
1453 ost->st = os->streams[i];
1454 if (nb_stream_maps > 0) {
1455 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1456 stream_maps[n-1].stream_index;
1458 /* Sanity check that the stream types match */
1459 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1460 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1461 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1462 ost->file_index, ost->index);
1467 /* get corresponding input stream index : we select the first one with the right type */
1469 for(j=0;j<nb_istreams;j++) {
1472 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1473 ost->source_index = j;
1480 /* try again and reuse existing stream */
1481 for(j=0;j<nb_istreams;j++) {
1483 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1484 ost->source_index = j;
1489 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1490 ost->file_index, ost->index);
1495 ist = ist_table[ost->source_index];
1497 ost->sync_ist = (nb_stream_maps > 0) ?
1498 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1499 stream_maps[n-1].sync_stream_index] : ist;
1503 /* for each output stream, we compute the right encoding parameters */
1504 for(i=0;i<nb_ostreams;i++) {
1506 ist = ist_table[ost->source_index];
1508 codec = ost->st->codec;
1509 icodec = ist->st->codec;
1511 if (!ost->st->language[0])
1512 av_strlcpy(ost->st->language, ist->st->language,
1513 sizeof(ost->st->language));
1515 if (ost->st->stream_copy) {
1516 /* if stream_copy is selected, no need to decode or encode */
1517 codec->codec_id = icodec->codec_id;
1518 codec->codec_type = icodec->codec_type;
1519 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1520 codec->bit_rate = icodec->bit_rate;
1521 codec->extradata= icodec->extradata;
1522 codec->extradata_size= icodec->extradata_size;
1523 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1524 codec->time_base = icodec->time_base;
1526 codec->time_base = ist->st->time_base;
1527 switch(codec->codec_type) {
1528 case CODEC_TYPE_AUDIO:
1529 codec->sample_rate = icodec->sample_rate;
1530 codec->channels = icodec->channels;
1531 codec->frame_size = icodec->frame_size;
1532 codec->block_align= icodec->block_align;
1534 case CODEC_TYPE_VIDEO:
1536 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1539 codec->pix_fmt = icodec->pix_fmt;
1540 codec->width = icodec->width;
1541 codec->height = icodec->height;
1542 codec->has_b_frames = icodec->has_b_frames;
1544 case CODEC_TYPE_SUBTITLE:
1550 switch(codec->codec_type) {
1551 case CODEC_TYPE_AUDIO:
1552 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1555 if (codec->channels == icodec->channels &&
1556 codec->sample_rate == icodec->sample_rate) {
1557 ost->audio_resample = 0;
1559 if (codec->channels != icodec->channels &&
1560 (icodec->codec_id == CODEC_ID_AC3 ||
1561 icodec->codec_id == CODEC_ID_DTS)) {
1562 /* Special case for 5:1 AC3 and DTS input */
1563 /* and mono or stereo output */
1564 /* Request specific number of channels */
1565 icodec->channels = codec->channels;
1566 if (codec->sample_rate == icodec->sample_rate)
1567 ost->audio_resample = 0;
1569 ost->audio_resample = 1;
1572 ost->audio_resample = 1;
1575 if(audio_sync_method>1)
1576 ost->audio_resample = 1;
1578 if(ost->audio_resample){
1579 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1580 codec->sample_rate, icodec->sample_rate);
1582 printf("Can't resample. Aborting.\n");
1586 ist->decoding_needed = 1;
1587 ost->encoding_needed = 1;
1589 case CODEC_TYPE_VIDEO:
1590 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1591 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1592 ost->video_resample = ((codec->width != icodec->width -
1593 (frame_leftBand + frame_rightBand) +
1594 (frame_padleft + frame_padright)) ||
1595 (codec->height != icodec->height -
1596 (frame_topBand + frame_bottomBand) +
1597 (frame_padtop + frame_padbottom)) ||
1598 (codec->pix_fmt != icodec->pix_fmt));
1599 if (ost->video_crop) {
1600 ost->topBand = frame_topBand;
1601 ost->leftBand = frame_leftBand;
1603 if (ost->video_pad) {
1604 ost->padtop = frame_padtop;
1605 ost->padleft = frame_padleft;
1606 ost->padbottom = frame_padbottom;
1607 ost->padright = frame_padright;
1608 if (!ost->video_resample) {
1609 avcodec_get_frame_defaults(&ost->pict_tmp);
1610 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1611 codec->width, codec->height ) )
1615 if (ost->video_resample) {
1616 avcodec_get_frame_defaults(&ost->pict_tmp);
1617 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1618 codec->width, codec->height ) ) {
1619 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1622 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1623 ost->img_resample_ctx = sws_getContext(
1624 icodec->width - (frame_leftBand + frame_rightBand),
1625 icodec->height - (frame_topBand + frame_bottomBand),
1627 codec->width - (frame_padleft + frame_padright),
1628 codec->height - (frame_padtop + frame_padbottom),
1630 sws_flags, NULL, NULL, NULL);
1631 if (ost->img_resample_ctx == NULL) {
1632 fprintf(stderr, "Cannot get resampling context\n");
1635 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1637 ost->encoding_needed = 1;
1638 ist->decoding_needed = 1;
1640 case CODEC_TYPE_SUBTITLE:
1641 ost->encoding_needed = 1;
1642 ist->decoding_needed = 1;
1649 if (ost->encoding_needed &&
1650 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1651 char logfilename[1024];
1656 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1658 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1659 if (codec->flags & CODEC_FLAG_PASS1) {
1660 f = fopen(logfilename, "w");
1662 perror(logfilename);
1667 /* read the log file */
1668 f = fopen(logfilename, "r");
1670 perror(logfilename);
1673 fseek(f, 0, SEEK_END);
1675 fseek(f, 0, SEEK_SET);
1676 logbuffer = av_malloc(size + 1);
1678 fprintf(stderr, "Could not allocate log buffer\n");
1681 size = fread(logbuffer, 1, size, f);
1683 logbuffer[size] = '\0';
1684 codec->stats_in = logbuffer;
1688 if(codec->codec_type == CODEC_TYPE_VIDEO){
1689 int size= codec->width * codec->height;
1690 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1695 bit_buffer = av_malloc(bit_buffer_size);
1699 /* dump the file output parameters - cannot be done before in case
1701 for(i=0;i<nb_output_files;i++) {
1702 dump_format(output_files[i], i, output_files[i]->filename, 1);
1705 /* dump the stream mapping */
1707 fprintf(stderr, "Stream mapping:\n");
1708 for(i=0;i<nb_ostreams;i++) {
1710 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1711 ist_table[ost->source_index]->file_index,
1712 ist_table[ost->source_index]->index,
1715 if (ost->sync_ist != ist_table[ost->source_index])
1716 fprintf(stderr, " [sync #%d.%d]",
1717 ost->sync_ist->file_index,
1718 ost->sync_ist->index);
1719 fprintf(stderr, "\n");
1723 /* open each encoder */
1724 for(i=0;i<nb_ostreams;i++) {
1726 if (ost->encoding_needed) {
1728 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1730 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1731 ost->file_index, ost->index);
1734 if (avcodec_open(ost->st->codec, codec) < 0) {
1735 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1736 ost->file_index, ost->index);
1739 extra_size += ost->st->codec->extradata_size;
1743 /* open each decoder */
1744 for(i=0;i<nb_istreams;i++) {
1746 if (ist->decoding_needed) {
1748 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1750 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1751 ist->st->codec->codec_id, ist->file_index, ist->index);
1754 if (avcodec_open(ist->st->codec, codec) < 0) {
1755 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1756 ist->file_index, ist->index);
1759 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1760 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1765 for(i=0;i<nb_istreams;i++) {
1767 is = input_files[ist->file_index];
1769 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1770 if(ist->st->start_time == AV_NOPTS_VALUE)
1772 if(input_files_ts_offset[ist->file_index])
1773 ist->next_pts= AV_NOPTS_VALUE;
1777 /* set meta data information from input file if required */
1778 for (i=0;i<nb_meta_data_maps;i++) {
1779 AVFormatContext *out_file;
1780 AVFormatContext *in_file;
1782 int out_file_index = meta_data_maps[i].out_file;
1783 int in_file_index = meta_data_maps[i].in_file;
1784 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1785 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1786 ret = AVERROR(EINVAL);
1789 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1790 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1791 ret = AVERROR(EINVAL);
1795 out_file = output_files[out_file_index];
1796 in_file = input_files[in_file_index];
1798 strcpy(out_file->title, in_file->title);
1799 strcpy(out_file->author, in_file->author);
1800 strcpy(out_file->copyright, in_file->copyright);
1801 strcpy(out_file->comment, in_file->comment);
1802 strcpy(out_file->album, in_file->album);
1803 out_file->year = in_file->year;
1804 out_file->track = in_file->track;
1805 strcpy(out_file->genre, in_file->genre);
1808 /* open files and write file headers */
1809 for(i=0;i<nb_output_files;i++) {
1810 os = output_files[i];
1811 if (av_write_header(os) < 0) {
1812 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1813 ret = AVERROR(EINVAL);
1818 if ( !using_stdin && verbose >= 0) {
1819 fprintf(stderr, "Press [q] to stop encoding\n");
1820 url_set_interrupt_cb(decode_interrupt_cb);
1825 timer_start = av_gettime();
1827 for(; received_sigterm == 0;) {
1828 int file_index, ist_index;
1836 /* if 'q' pressed, exits */
1840 /* read_key() returns 0 on EOF */
1846 /* select the stream that we must read now by looking at the
1847 smallest output pts */
1849 for(i=0;i<nb_ostreams;i++) {
1852 os = output_files[ost->file_index];
1853 ist = ist_table[ost->source_index];
1854 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1855 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1857 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1858 ipts = (double)ist->pts;
1859 if (!file_table[ist->file_index].eof_reached){
1860 if(ipts < ipts_min) {
1862 if(input_sync ) file_index = ist->file_index;
1864 if(opts < opts_min) {
1866 if(!input_sync) file_index = ist->file_index;
1869 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1874 /* if none, if is finished */
1875 if (file_index < 0) {
1879 /* finish if recording time exhausted */
1880 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1883 /* finish if limit size exhausted */
1884 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1887 /* read a frame from it and output it in the fifo */
1888 is = input_files[file_index];
1889 if (av_read_frame(is, &pkt) < 0) {
1890 file_table[file_index].eof_reached = 1;
1898 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1900 /* the following test is needed in case new streams appear
1901 dynamically in stream : we ignore them */
1902 if (pkt.stream_index >= file_table[file_index].nb_streams)
1903 goto discard_packet;
1904 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1905 ist = ist_table[ist_index];
1907 goto discard_packet;
1909 // 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);
1910 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1911 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1912 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1913 input_files_ts_offset[ist->file_index]-= delta;
1915 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1916 for(i=0; i<file_table[file_index].nb_streams; i++){
1917 int index= file_table[file_index].ist_index + i;
1918 ist_table[index]->next_pts += delta;
1919 ist_table[index]->is_start=1;
1924 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1925 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1928 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1929 ist->file_index, ist->index);
1931 av_free_packet(&pkt);
1936 av_free_packet(&pkt);
1938 /* dump report by using the output first video and audio streams */
1939 print_report(output_files, ost_table, nb_ostreams, 0);
1942 /* at the end of stream, we must flush the decoder buffers */
1943 for(i=0;i<nb_istreams;i++) {
1945 if (ist->decoding_needed) {
1946 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1952 /* write the trailer if needed and close file */
1953 for(i=0;i<nb_output_files;i++) {
1954 os = output_files[i];
1955 av_write_trailer(os);
1958 /* dump report by using the first video and audio streams */
1959 print_report(output_files, ost_table, nb_ostreams, 1);
1961 /* close each encoder */
1962 for(i=0;i<nb_ostreams;i++) {
1964 if (ost->encoding_needed) {
1965 av_freep(&ost->st->codec->stats_in);
1966 avcodec_close(ost->st->codec);
1970 /* close each decoder */
1971 for(i=0;i<nb_istreams;i++) {
1973 if (ist->decoding_needed) {
1974 avcodec_close(ist->st->codec);
1982 av_freep(&bit_buffer);
1983 av_free(file_table);
1986 for(i=0;i<nb_istreams;i++) {
1993 for(i=0;i<nb_ostreams;i++) {
1997 fclose(ost->logfile);
1998 ost->logfile = NULL;
2000 av_fifo_free(&ost->fifo); /* works even if fifo is not
2001 initialized but set to zero */
2002 av_free(ost->pict_tmp.data[0]);
2003 if (ost->video_resample)
2004 sws_freeContext(ost->img_resample_ctx);
2005 if (ost->audio_resample)
2006 audio_resample_close(ost->resample);
2014 ret = AVERROR(ENOMEM);
2019 int file_read(const char *filename)
2022 unsigned char buffer[1024];
2025 if (url_open(&h, filename, O_RDONLY) < 0) {
2026 printf("could not open '%s'\n", filename);
2030 len = url_read(h, buffer, sizeof(buffer));
2033 for(i=0;i<len;i++) putchar(buffer[i]);
2040 static void opt_format(const char *arg)
2042 /* compatibility stuff for pgmyuv */
2043 if (!strcmp(arg, "pgmyuv")) {
2044 pgmyuv_compatibility_hack=1;
2045 // opt_image_format(arg);
2047 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2050 file_iformat = av_find_input_format(arg);
2051 file_oformat = guess_format(arg, NULL, NULL);
2052 if (!file_iformat && !file_oformat) {
2053 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2058 static void opt_video_rc_eq(char *arg)
2063 static void opt_video_rc_override_string(char *arg)
2065 video_rc_override_string = arg;
2068 static void opt_me_threshold(const char *arg)
2070 me_threshold = atoi(arg);
2073 static void opt_verbose(const char *arg)
2075 verbose = atoi(arg);
2076 av_log_level = atoi(arg);
2079 static void opt_frame_rate(const char *arg)
2081 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2082 fprintf(stderr, "Incorrect frame rate\n");
2087 static void opt_frame_crop_top(const char *arg)
2089 frame_topBand = atoi(arg);
2090 if (frame_topBand < 0) {
2091 fprintf(stderr, "Incorrect top crop size\n");
2094 if ((frame_topBand % 2) != 0) {
2095 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2098 if ((frame_topBand) >= frame_height){
2099 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2102 frame_height -= frame_topBand;
2105 static void opt_frame_crop_bottom(const char *arg)
2107 frame_bottomBand = atoi(arg);
2108 if (frame_bottomBand < 0) {
2109 fprintf(stderr, "Incorrect bottom crop size\n");
2112 if ((frame_bottomBand % 2) != 0) {
2113 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2116 if ((frame_bottomBand) >= frame_height){
2117 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2120 frame_height -= frame_bottomBand;
2123 static void opt_frame_crop_left(const char *arg)
2125 frame_leftBand = atoi(arg);
2126 if (frame_leftBand < 0) {
2127 fprintf(stderr, "Incorrect left crop size\n");
2130 if ((frame_leftBand % 2) != 0) {
2131 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2134 if ((frame_leftBand) >= frame_width){
2135 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2138 frame_width -= frame_leftBand;
2141 static void opt_frame_crop_right(const char *arg)
2143 frame_rightBand = atoi(arg);
2144 if (frame_rightBand < 0) {
2145 fprintf(stderr, "Incorrect right crop size\n");
2148 if ((frame_rightBand % 2) != 0) {
2149 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2152 if ((frame_rightBand) >= frame_width){
2153 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2156 frame_width -= frame_rightBand;
2159 static void opt_frame_size(const char *arg)
2161 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2162 fprintf(stderr, "Incorrect frame size\n");
2165 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2166 fprintf(stderr, "Frame size must be a multiple of 2\n");
2172 #define SCALEBITS 10
2173 #define ONE_HALF (1 << (SCALEBITS - 1))
2174 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2176 #define RGB_TO_Y(r, g, b) \
2177 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2178 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2180 #define RGB_TO_U(r1, g1, b1, shift)\
2181 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2182 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2184 #define RGB_TO_V(r1, g1, b1, shift)\
2185 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2186 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2188 static void opt_pad_color(const char *arg) {
2189 /* Input is expected to be six hex digits similar to
2190 how colors are expressed in html tags (but without the #) */
2191 int rgb = strtol(arg, NULL, 16);
2195 g = ((rgb >> 8) & 255);
2198 padcolor[0] = RGB_TO_Y(r,g,b);
2199 padcolor[1] = RGB_TO_U(r,g,b,0);
2200 padcolor[2] = RGB_TO_V(r,g,b,0);
2203 static void opt_frame_pad_top(const char *arg)
2205 frame_padtop = atoi(arg);
2206 if (frame_padtop < 0) {
2207 fprintf(stderr, "Incorrect top pad size\n");
2210 if ((frame_padtop % 2) != 0) {
2211 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2216 static void opt_frame_pad_bottom(const char *arg)
2218 frame_padbottom = atoi(arg);
2219 if (frame_padbottom < 0) {
2220 fprintf(stderr, "Incorrect bottom pad size\n");
2223 if ((frame_padbottom % 2) != 0) {
2224 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2230 static void opt_frame_pad_left(const char *arg)
2232 frame_padleft = atoi(arg);
2233 if (frame_padleft < 0) {
2234 fprintf(stderr, "Incorrect left pad size\n");
2237 if ((frame_padleft % 2) != 0) {
2238 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2244 static void opt_frame_pad_right(const char *arg)
2246 frame_padright = atoi(arg);
2247 if (frame_padright < 0) {
2248 fprintf(stderr, "Incorrect right pad size\n");
2251 if ((frame_padright % 2) != 0) {
2252 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2257 void list_pix_fmts(void)
2260 char pix_fmt_str[128];
2261 for (i=-1; i < PIX_FMT_NB; i++) {
2262 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2263 fprintf(stdout, "%s\n", pix_fmt_str);
2267 static void opt_frame_pix_fmt(const char *arg)
2269 if (strcmp(arg, "list"))
2270 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2277 static void opt_frame_aspect_ratio(const char *arg)
2283 p = strchr(arg, ':');
2285 x = strtol(arg, (char **)&arg, 10);
2287 y = strtol(arg+1, (char **)&arg, 10);
2289 ar = (double)x / (double)y;
2291 ar = strtod(arg, (char **)&arg);
2294 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2297 frame_aspect_ratio = ar;
2300 static void opt_qscale(const char *arg)
2302 video_qscale = atof(arg);
2303 if (video_qscale <= 0 ||
2304 video_qscale > 255) {
2305 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2310 static void opt_qdiff(const char *arg)
2312 video_qdiff = atoi(arg);
2313 if (video_qdiff < 0 ||
2315 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2320 static void opt_strict(const char *arg)
2325 static void opt_top_field_first(const char *arg)
2327 top_field_first= atoi(arg);
2330 static void opt_thread_count(const char *arg)
2332 thread_count= atoi(arg);
2333 #if !defined(HAVE_THREADS)
2335 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2339 static void opt_audio_rate(const char *arg)
2341 audio_sample_rate = atoi(arg);
2344 static void opt_audio_channels(const char *arg)
2346 audio_channels = atoi(arg);
2349 static void opt_video_channel(const char *arg)
2351 video_channel = strtol(arg, NULL, 0);
2354 static void opt_video_standard(const char *arg)
2356 video_standard = av_strdup(arg);
2359 static void opt_codec(int *pstream_copy, int *pcodec_id,
2360 int codec_type, const char *arg)
2364 if (!strcmp(arg, "copy")) {
2369 if (!strcmp(p->name, arg) && p->type == codec_type)
2374 fprintf(stderr, "Unknown codec '%s'\n", arg);
2382 static void opt_audio_codec(const char *arg)
2384 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2387 static void opt_audio_tag(const char *arg)
2390 audio_codec_tag= strtol(arg, &tail, 0);
2393 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2396 static void opt_video_tag(const char *arg)
2399 video_codec_tag= strtol(arg, &tail, 0);
2402 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2406 static void add_frame_hooker(const char *arg)
2411 char *args = av_strdup(arg);
2415 argv[0] = strtok(args, " ");
2416 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2419 i = frame_hook_add(argc, argv);
2422 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2428 static void opt_video_codec(const char *arg)
2430 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2433 static void opt_subtitle_codec(const char *arg)
2435 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2438 static void opt_map(const char *arg)
2444 m = &stream_maps[nb_stream_maps++];
2446 m->file_index = strtol(arg, (char **)&p, 0);
2450 m->stream_index = strtol(p, (char **)&p, 0);
2453 m->sync_file_index = strtol(p, (char **)&p, 0);
2456 m->sync_stream_index = strtol(p, (char **)&p, 0);
2458 m->sync_file_index = m->file_index;
2459 m->sync_stream_index = m->stream_index;
2463 static void opt_map_meta_data(const char *arg)
2469 m = &meta_data_maps[nb_meta_data_maps++];
2471 m->out_file = strtol(arg, (char **)&p, 0);
2475 m->in_file = strtol(p, (char **)&p, 0);
2478 static void opt_recording_time(const char *arg)
2480 recording_time = parse_date(arg, 1);
2483 static void opt_start_time(const char *arg)
2485 start_time = parse_date(arg, 1);
2488 static void opt_rec_timestamp(const char *arg)
2490 rec_timestamp = parse_date(arg, 0) / 1000000;
2493 static void opt_input_ts_offset(const char *arg)
2495 input_ts_offset = parse_date(arg, 1);
2498 static void opt_input_file(const char *filename)
2500 AVFormatContext *ic;
2501 AVFormatParameters params, *ap = ¶ms;
2502 int err, i, ret, rfps, rfps_base;
2505 if (!strcmp(filename, "-"))
2508 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2509 !strcmp( filename, "/dev/stdin" );
2511 /* get default parameters from command line */
2512 ic = av_alloc_format_context();
2514 memset(ap, 0, sizeof(*ap));
2515 ap->prealloced_context = 1;
2516 ap->sample_rate = audio_sample_rate;
2517 ap->channels = audio_channels;
2518 ap->time_base.den = frame_rate.num;
2519 ap->time_base.num = frame_rate.den;
2520 ap->width = frame_width + frame_padleft + frame_padright;
2521 ap->height = frame_height + frame_padtop + frame_padbottom;
2522 ap->pix_fmt = frame_pix_fmt;
2523 ap->channel = video_channel;
2524 ap->standard = video_standard;
2525 ap->video_codec_id = video_codec_id;
2526 ap->audio_codec_id = audio_codec_id;
2527 if(pgmyuv_compatibility_hack)
2528 ap->video_codec_id= CODEC_ID_PGMYUV;
2530 for(i=0; i<opt_name_count; i++){
2531 const AVOption *opt;
2532 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2533 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2534 av_set_double(ic, opt_names[i], d);
2536 /* open the input file with generic libav function */
2537 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2539 print_error(filename, err);
2543 ic->loop_input = loop_input;
2545 /* If not enough info to get the stream parameters, we decode the
2546 first frames to get it. (used in mpeg case for example) */
2547 ret = av_find_stream_info(ic);
2548 if (ret < 0 && verbose >= 0) {
2549 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2553 timestamp = start_time;
2554 /* add the stream start time */
2555 if (ic->start_time != AV_NOPTS_VALUE)
2556 timestamp += ic->start_time;
2558 /* if seeking requested, we execute it */
2559 if (start_time != 0) {
2560 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2562 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2563 filename, (double)timestamp / AV_TIME_BASE);
2565 /* reset seek info */
2569 /* update the current parameters so that they match the one of the input stream */
2570 for(i=0;i<ic->nb_streams;i++) {
2572 AVCodecContext *enc = ic->streams[i]->codec;
2574 avcodec_thread_init(enc, thread_count);
2575 enc->thread_count= thread_count;
2576 switch(enc->codec_type) {
2577 case CODEC_TYPE_AUDIO:
2578 for(j=0; j<opt_name_count; j++){
2579 const AVOption *opt;
2580 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2581 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2582 av_set_double(enc, opt_names[j], d);
2584 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2585 audio_channels = enc->channels;
2586 audio_sample_rate = enc->sample_rate;
2588 ic->streams[i]->discard= AVDISCARD_ALL;
2590 case CODEC_TYPE_VIDEO:
2591 for(j=0; j<opt_name_count; j++){
2592 const AVOption *opt;
2593 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2594 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2595 av_set_double(enc, opt_names[j], d);
2597 frame_height = enc->height;
2598 frame_width = enc->width;
2599 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2600 frame_pix_fmt = enc->pix_fmt;
2601 rfps = ic->streams[i]->r_frame_rate.num;
2602 rfps_base = ic->streams[i]->r_frame_rate.den;
2603 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2605 enc->debug |= FF_DEBUG_MV;
2607 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2610 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2611 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2613 (float)rfps / rfps_base, rfps, rfps_base);
2615 /* update the current frame rate to match the stream frame rate */
2616 frame_rate.num = rfps;
2617 frame_rate.den = rfps_base;
2619 enc->rate_emu = rate_emu;
2621 ic->streams[i]->discard= AVDISCARD_ALL;
2622 else if(video_discard)
2623 ic->streams[i]->discard= video_discard;
2625 case CODEC_TYPE_DATA:
2627 case CODEC_TYPE_SUBTITLE:
2628 if(subtitle_disable)
2629 ic->streams[i]->discard = AVDISCARD_ALL;
2631 case CODEC_TYPE_UNKNOWN:
2638 input_files[nb_input_files] = ic;
2639 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2640 /* dump the file content */
2642 dump_format(ic, nb_input_files, filename, 0);
2645 file_iformat = NULL;
2646 file_oformat = NULL;
2653 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2654 int *has_subtitle_ptr)
2656 int has_video, has_audio, has_subtitle, i, j;
2657 AVFormatContext *ic;
2662 for(j=0;j<nb_input_files;j++) {
2663 ic = input_files[j];
2664 for(i=0;i<ic->nb_streams;i++) {
2665 AVCodecContext *enc = ic->streams[i]->codec;
2666 switch(enc->codec_type) {
2667 case CODEC_TYPE_AUDIO:
2670 case CODEC_TYPE_VIDEO:
2673 case CODEC_TYPE_SUBTITLE:
2676 case CODEC_TYPE_DATA:
2677 case CODEC_TYPE_UNKNOWN:
2684 *has_video_ptr = has_video;
2685 *has_audio_ptr = has_audio;
2686 *has_subtitle_ptr = has_subtitle;
2689 static void new_video_stream(AVFormatContext *oc)
2692 AVCodecContext *video_enc;
2695 st = av_new_stream(oc, oc->nb_streams);
2697 fprintf(stderr, "Could not alloc stream\n");
2700 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2701 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2702 video_bitstream_filters= NULL;
2705 avcodec_thread_init(st->codec, thread_count);
2707 video_enc = st->codec;
2710 video_enc->codec_tag= video_codec_tag;
2712 if( (video_global_header&1)
2713 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2714 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2715 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2717 if(video_global_header&2){
2718 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2719 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2722 if (video_stream_copy) {
2723 st->stream_copy = 1;
2724 video_enc->codec_type = CODEC_TYPE_VIDEO;
2730 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2731 if (video_codec_id != CODEC_ID_NONE)
2732 codec_id = video_codec_id;
2734 video_enc->codec_id = codec_id;
2735 codec = avcodec_find_encoder(codec_id);
2737 for(i=0; i<opt_name_count; i++){
2738 const AVOption *opt;
2739 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2740 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2741 av_set_double(video_enc, opt_names[i], d);
2744 video_enc->time_base.den = frame_rate.num;
2745 video_enc->time_base.num = frame_rate.den;
2746 if(codec && codec->supported_framerates){
2747 const AVRational *p= codec->supported_framerates;
2748 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2749 const AVRational *best=NULL;
2750 AVRational best_error= (AVRational){INT_MAX, 1};
2751 for(; p->den!=0; p++){
2752 AVRational error= av_sub_q(req, *p);
2753 if(error.num <0) error.num *= -1;
2754 if(av_cmp_q(error, best_error) < 0){
2759 video_enc->time_base.den= best->num;
2760 video_enc->time_base.num= best->den;
2763 video_enc->width = frame_width + frame_padright + frame_padleft;
2764 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2765 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2766 video_enc->pix_fmt = frame_pix_fmt;
2768 if(codec && codec->pix_fmts){
2769 const enum PixelFormat *p= codec->pix_fmts;
2771 if(*p == video_enc->pix_fmt)
2775 video_enc->pix_fmt = codec->pix_fmts[0];
2779 video_enc->gop_size = 0;
2780 if (video_qscale || same_quality) {
2781 video_enc->flags |= CODEC_FLAG_QSCALE;
2782 video_enc->global_quality=
2783 st->quality = FF_QP2LAMBDA * video_qscale;
2787 video_enc->intra_matrix = intra_matrix;
2789 video_enc->inter_matrix = inter_matrix;
2791 video_enc->max_qdiff = video_qdiff;
2792 video_enc->rc_eq = video_rc_eq;
2793 video_enc->thread_count = thread_count;
2794 p= video_rc_override_string;
2797 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2799 fprintf(stderr, "error parsing rc_override\n");
2802 video_enc->rc_override=
2803 av_realloc(video_enc->rc_override,
2804 sizeof(RcOverride)*(i+1));
2805 video_enc->rc_override[i].start_frame= start;
2806 video_enc->rc_override[i].end_frame = end;
2808 video_enc->rc_override[i].qscale= q;
2809 video_enc->rc_override[i].quality_factor= 1.0;
2812 video_enc->rc_override[i].qscale= 0;
2813 video_enc->rc_override[i].quality_factor= -q/100.0;
2818 video_enc->rc_override_count=i;
2819 if (!video_enc->rc_initial_buffer_occupancy)
2820 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2821 video_enc->me_threshold= me_threshold;
2822 video_enc->intra_dc_precision= intra_dc_precision - 8;
2823 video_enc->strict_std_compliance = strict;
2826 video_enc->flags|= CODEC_FLAG_PSNR;
2831 video_enc->flags |= CODEC_FLAG_PASS1;
2833 video_enc->flags |= CODEC_FLAG_PASS2;
2838 /* reset some key parameters */
2840 video_codec_id = CODEC_ID_NONE;
2841 video_stream_copy = 0;
2844 static void new_audio_stream(AVFormatContext *oc)
2847 AVCodecContext *audio_enc;
2850 st = av_new_stream(oc, oc->nb_streams);
2852 fprintf(stderr, "Could not alloc stream\n");
2855 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2857 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2858 audio_bitstream_filters= NULL;
2861 avcodec_thread_init(st->codec, thread_count);
2863 audio_enc = st->codec;
2864 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2865 audio_enc->strict_std_compliance = strict;
2868 audio_enc->codec_tag= audio_codec_tag;
2870 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2871 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2872 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2874 if (audio_stream_copy) {
2875 st->stream_copy = 1;
2876 audio_enc->channels = audio_channels;
2878 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2880 for(i=0; i<opt_name_count; i++){
2881 const AVOption *opt;
2882 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2883 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2884 av_set_double(audio_enc, opt_names[i], d);
2887 if (audio_codec_id != CODEC_ID_NONE)
2888 codec_id = audio_codec_id;
2889 audio_enc->codec_id = codec_id;
2891 if (audio_qscale > QSCALE_NONE) {
2892 audio_enc->flags |= CODEC_FLAG_QSCALE;
2893 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2895 audio_enc->thread_count = thread_count;
2896 audio_enc->channels = audio_channels;
2898 audio_enc->sample_rate = audio_sample_rate;
2899 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2900 if (audio_language) {
2901 av_strlcpy(st->language, audio_language, sizeof(st->language));
2902 av_free(audio_language);
2903 audio_language = NULL;
2906 /* reset some key parameters */
2908 audio_codec_id = CODEC_ID_NONE;
2909 audio_stream_copy = 0;
2912 static void new_subtitle_stream(AVFormatContext *oc)
2915 AVCodecContext *subtitle_enc;
2918 st = av_new_stream(oc, oc->nb_streams);
2920 fprintf(stderr, "Could not alloc stream\n");
2923 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2925 subtitle_enc = st->codec;
2926 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2927 if (subtitle_stream_copy) {
2928 st->stream_copy = 1;
2930 for(i=0; i<opt_name_count; i++){
2931 const AVOption *opt;
2932 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2933 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2934 av_set_double(subtitle_enc, opt_names[i], d);
2936 subtitle_enc->codec_id = subtitle_codec_id;
2939 if (subtitle_language) {
2940 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2941 av_free(subtitle_language);
2942 subtitle_language = NULL;
2945 subtitle_disable = 0;
2946 subtitle_codec_id = CODEC_ID_NONE;
2947 subtitle_stream_copy = 0;
2950 static void opt_new_audio_stream(void)
2952 AVFormatContext *oc;
2953 if (nb_output_files <= 0) {
2954 fprintf(stderr, "At least one output file must be specified\n");
2957 oc = output_files[nb_output_files - 1];
2958 new_audio_stream(oc);
2961 static void opt_new_video_stream(void)
2963 AVFormatContext *oc;
2964 if (nb_output_files <= 0) {
2965 fprintf(stderr, "At least one output file must be specified\n");
2968 oc = output_files[nb_output_files - 1];
2969 new_video_stream(oc);
2972 static void opt_new_subtitle_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_subtitle_stream(oc);
2983 static void opt_output_file(const char *filename)
2985 AVFormatContext *oc;
2986 int use_video, use_audio, use_subtitle;
2987 int input_has_video, input_has_audio, input_has_subtitle, i;
2988 AVFormatParameters params, *ap = ¶ms;
2990 if (!strcmp(filename, "-"))
2993 oc = av_alloc_format_context();
2995 if (!file_oformat) {
2996 file_oformat = guess_format(NULL, filename, NULL);
2997 if (!file_oformat) {
2998 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3004 oc->oformat = file_oformat;
3005 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3007 if (!strcmp(file_oformat->name, "ffm") &&
3008 av_strstart(filename, "http:", NULL)) {
3009 /* special case for files sent to ffserver: we get the stream
3010 parameters from ffserver */
3011 if (read_ffserver_streams(oc, filename) < 0) {
3012 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3016 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3017 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3018 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_id != CODEC_ID_NONE;
3020 /* disable if no corresponding type found and at least one
3022 if (nb_input_files > 0) {
3023 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3024 &input_has_subtitle);
3025 if (!input_has_video)
3027 if (!input_has_audio)
3029 if (!input_has_subtitle)
3033 /* manual disable */
3034 if (audio_disable) {
3037 if (video_disable) {
3040 if (subtitle_disable) {
3045 new_video_stream(oc);
3049 new_audio_stream(oc);
3053 new_subtitle_stream(oc);
3056 oc->timestamp = rec_timestamp;
3059 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3061 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3063 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3065 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3067 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3070 output_files[nb_output_files++] = oc;
3072 /* check filename in case of an image number is expected */
3073 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3074 if (!av_filename_number_test(oc->filename)) {
3075 print_error(oc->filename, AVERROR_NUMEXPECTED);
3080 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3081 /* test if it already exists to avoid loosing precious files */
3082 if (!file_overwrite &&
3083 (strchr(filename, ':') == NULL ||
3084 av_strstart(filename, "file:", NULL))) {
3085 if (url_exist(filename)) {
3088 if ( !using_stdin ) {
3089 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3092 if (toupper(c) != 'Y') {
3093 fprintf(stderr, "Not overwriting - exiting\n");
3098 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3105 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3106 fprintf(stderr, "Could not open '%s'\n", filename);
3111 memset(ap, 0, sizeof(*ap));
3112 if (av_set_parameters(oc, ap) < 0) {
3113 fprintf(stderr, "%s: Invalid encoding parameters\n",
3118 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3119 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3120 oc->loop_output = loop_output;
3122 for(i=0; i<opt_name_count; i++){
3123 const AVOption *opt;
3124 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3125 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3126 av_set_double(oc, opt_names[i], d);
3129 /* reset some options */
3130 file_oformat = NULL;
3131 file_iformat = NULL;
3134 /* same option as mencoder */
3135 static void opt_pass(const char *pass_str)
3138 pass = atoi(pass_str);
3139 if (pass != 1 && pass != 2) {
3140 fprintf(stderr, "pass number can be only 1 or 2\n");
3146 static int64_t getutime(void)
3148 #ifdef HAVE_GETRUSAGE
3149 struct rusage rusage;
3151 getrusage(RUSAGE_SELF, &rusage);
3152 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3153 #elif defined(HAVE_GETPROCESSTIMES)
3155 FILETIME c, e, k, u;
3156 proc = GetCurrentProcess();
3157 GetProcessTimes(proc, &c, &e, &k, &u);
3158 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3160 return av_gettime();
3164 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3165 extern int ffm_nopts;
3168 static void show_formats(void)
3170 AVInputFormat *ifmt;
3171 AVOutputFormat *ofmt;
3174 const char *last_name;
3176 printf("File formats:\n");
3181 const char *name=NULL;
3182 const char *long_name=NULL;
3184 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3185 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3186 strcmp(ofmt->name, last_name)>0){
3188 long_name= ofmt->long_name;
3192 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3193 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3194 strcmp(ifmt->name, last_name)>0){
3196 long_name= ifmt->long_name;
3199 if(name && strcmp(ifmt->name, name)==0)
3211 long_name ? long_name:" ");
3215 printf("Codecs:\n");
3221 const char *type_str;
3224 for(p = first_avcodec; p != NULL; p = p->next) {
3225 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3226 strcmp(p->name, last_name)>0){
3228 decode= encode= cap=0;
3230 if(p2 && strcmp(p->name, p2->name)==0){
3231 if(p->decode) decode=1;
3232 if(p->encode) encode=1;
3233 cap |= p->capabilities;
3238 last_name= p2->name;
3241 case CODEC_TYPE_VIDEO:
3244 case CODEC_TYPE_AUDIO:
3247 case CODEC_TYPE_SUBTITLE:
3256 decode ? "D": (/*p2->decoder ? "d":*/" "),
3259 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3260 cap & CODEC_CAP_DR1 ? "D":" ",
3261 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3263 /* if(p2->decoder && decode==0)
3264 printf(" use %s for decoding", p2->decoder->name);*/
3269 printf("Supported file protocols:\n");
3270 for(up = first_protocol; up != NULL; up = up->next)
3271 printf(" %s:", up->name);
3274 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3277 "Note, the names of encoders and decoders do not always match, so there are\n"
3278 "several cases where the above table shows encoder only or decoder only entries\n"
3279 "even though both encoding and decoding are supported. For example, the h263\n"
3280 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3285 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3288 const char *p = str;
3295 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3302 static void opt_inter_matrix(const char *arg)
3304 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3305 parse_matrix_coeffs(inter_matrix, arg);
3308 static void opt_intra_matrix(const char *arg)
3310 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3311 parse_matrix_coeffs(intra_matrix, arg);
3314 static void opt_target(const char *arg)
3317 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3319 if(!strncmp(arg, "pal-", 4)) {
3322 } else if(!strncmp(arg, "ntsc-", 5)) {
3325 } else if(!strncmp(arg, "film-", 5)) {
3330 /* Calculate FR via float to avoid int overflow */
3331 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3334 } else if((fr == 29970) || (fr == 23976)) {
3337 /* Try to determine PAL/NTSC by peeking in the input files */
3338 if(nb_input_files) {
3340 for(j = 0; j < nb_input_files; j++) {
3341 for(i = 0; i < input_files[j]->nb_streams; i++) {
3342 AVCodecContext *c = input_files[j]->streams[i]->codec;
3343 if(c->codec_type != CODEC_TYPE_VIDEO)
3345 fr = c->time_base.den * 1000 / c->time_base.num;
3349 } else if((fr == 29970) || (fr == 23976)) {
3359 if(verbose && norm >= 0)
3360 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3364 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3365 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3366 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3370 if(!strcmp(arg, "vcd")) {
3372 opt_video_codec("mpeg1video");
3373 opt_audio_codec("mp2");
3376 opt_frame_size(norm ? "352x240" : "352x288");
3377 opt_frame_rate(frame_rates[norm]);
3378 opt_default("gop", norm ? "18" : "15");
3380 opt_default("b", "1150000");
3381 opt_default("maxrate", "1150000");
3382 opt_default("minrate", "1150000");
3383 opt_default("bufsize", "327680"); // 40*1024*8;
3385 opt_default("ab", "224000");
3386 audio_sample_rate = 44100;
3389 opt_default("packetsize", "2324");
3390 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3392 /* We have to offset the PTS, so that it is consistent with the SCR.
3393 SCR starts at 36000, but the first two packs contain only padding
3394 and the first pack from the other stream, respectively, may also have
3395 been written before.
3396 So the real data starts at SCR 36000+3*1200. */
3397 mux_preload= (36000+3*1200) / 90000.0; //0.44
3398 } else if(!strcmp(arg, "svcd")) {
3400 opt_video_codec("mpeg2video");
3401 opt_audio_codec("mp2");
3404 opt_frame_size(norm ? "480x480" : "480x576");
3405 opt_frame_rate(frame_rates[norm]);
3406 opt_default("gop", norm ? "18" : "15");
3408 opt_default("b", "2040000");
3409 opt_default("maxrate", "2516000");
3410 opt_default("minrate", "0"); //1145000;
3411 opt_default("bufsize", "1835008"); //224*1024*8;
3412 opt_default("flags", "+SCAN_OFFSET");
3415 opt_default("ab", "224000");
3416 audio_sample_rate = 44100;
3418 opt_default("packetsize", "2324");
3420 } else if(!strcmp(arg, "dvd")) {
3422 opt_video_codec("mpeg2video");
3423 opt_audio_codec("ac3");
3426 opt_frame_size(norm ? "720x480" : "720x576");
3427 opt_frame_rate(frame_rates[norm]);
3428 opt_default("gop", norm ? "18" : "15");
3430 opt_default("b", "6000000");
3431 opt_default("maxrate", "9000000");
3432 opt_default("minrate", "0"); //1500000;
3433 opt_default("bufsize", "1835008"); //224*1024*8;
3435 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3436 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3438 opt_default("ab", "448000");
3439 audio_sample_rate = 48000;
3441 } else if(!strncmp(arg, "dv", 2)) {
3445 opt_frame_size(norm ? "720x480" : "720x576");
3446 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3447 (norm ? "yuv411p" : "yuv420p"));
3448 opt_frame_rate(frame_rates[norm]);
3450 audio_sample_rate = 48000;
3454 fprintf(stderr, "Unknown target: %s\n", arg);
3459 static void opt_vstats_file (const char *arg)
3461 av_free (vstats_filename);
3462 vstats_filename=av_strdup (arg);
3465 static void opt_vstats (void)
3468 time_t today2 = time(NULL);
3469 struct tm *today = localtime(&today2);
3471 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3473 opt_vstats_file(filename);
3476 static void opt_video_bsf(const char *arg)
3478 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3479 AVBitStreamFilterContext **bsfp;
3482 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3486 bsfp= &video_bitstream_filters;
3488 bsfp= &(*bsfp)->next;
3493 //FIXME avoid audio - video code duplication
3494 static void opt_audio_bsf(const char *arg)
3496 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3497 AVBitStreamFilterContext **bsfp;
3500 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3504 bsfp= &audio_bitstream_filters;
3506 bsfp= &(*bsfp)->next;
3511 static void show_version(void)
3513 /* TODO: add function interface to avutil and avformat */
3514 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3518 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3522 static int opt_default(const char *opt, const char *arg){
3524 const AVOption *o= NULL;
3525 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3527 for(type=0; type<CODEC_TYPE_NB; type++){
3528 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3530 o = av_set_string(avctx_opts[type], opt, arg);
3533 o = av_set_string(avformat_opts, opt, arg);
3535 o = av_set_string(sws_opts, opt, arg);
3538 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3539 else if(opt[0] == 'v')
3540 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3541 else if(opt[0] == 's')
3542 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3547 // 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));
3549 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3550 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3551 opt_names[opt_name_count++]= o->name;
3553 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3554 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3555 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3559 if(avctx_opts[0]->debug)
3560 av_log_level = AV_LOG_DEBUG;
3564 const OptionDef options[] = {
3566 { "L", 0, {(void*)show_license}, "show license" },
3567 { "h", 0, {(void*)show_help}, "show help" },
3568 { "version", 0, {(void*)show_version}, "show version" },
3569 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3570 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3571 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3572 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3573 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3574 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3575 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3576 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3577 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3578 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3579 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3580 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3581 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3582 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3583 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3584 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3585 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3586 "add timings for benchmarking" },
3587 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3588 "dump each input packet" },
3589 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3590 "when dumping packets, also dump the payload" },
3591 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3592 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3593 { "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)", "" },
3594 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3595 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3596 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3597 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3598 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3599 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3600 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3601 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3602 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3605 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3606 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3607 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3608 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3609 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3610 { "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" },
3611 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3612 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3613 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3614 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3615 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3616 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3617 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3618 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3619 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3620 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3621 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3622 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3623 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3624 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3625 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3626 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3627 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3628 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3629 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3630 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3631 "use same video quality as source (implies VBR)" },
3632 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3633 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3634 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3635 "deinterlace pictures" },
3636 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3637 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3638 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3640 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3642 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3643 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3644 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3645 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3646 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3647 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3648 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3651 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3652 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3653 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3654 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3655 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3656 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3657 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3658 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3659 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3660 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3662 /* subtitle options */
3663 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3664 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3665 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3666 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3669 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3670 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3671 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3674 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3675 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3677 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3678 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3680 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3684 static void show_banner(void)
3686 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3687 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3688 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3689 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3690 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3691 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3693 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3695 fprintf(stderr, ", using a non-gcc compiler\n");
3699 static void show_license(void)
3704 "FFmpeg is free software; you can redistribute it and/or modify\n"
3705 "it under the terms of the GNU General Public License as published by\n"
3706 "the Free Software Foundation; either version 2 of the License, or\n"
3707 "(at your option) any later version.\n"
3709 "FFmpeg is distributed in the hope that it will be useful,\n"
3710 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3711 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3712 "GNU General Public License for more details.\n"
3714 "You should have received a copy of the GNU General Public License\n"
3715 "along with FFmpeg; if not, write to the Free Software\n"
3716 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3720 "FFmpeg is free software; you can redistribute it and/or\n"
3721 "modify it under the terms of the GNU Lesser General Public\n"
3722 "License as published by the Free Software Foundation; either\n"
3723 "version 2.1 of the License, or (at your option) any later version.\n"
3725 "FFmpeg is distributed in the hope that it will be useful,\n"
3726 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3727 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3728 "Lesser General Public License for more details.\n"
3730 "You should have received a copy of the GNU Lesser General Public\n"
3731 "License along with FFmpeg; if not, write to the Free Software\n"
3732 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3739 * Trivial log callback.
3740 * Only suitable for show_help and similar since it lacks prefix handling.
3742 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3744 vfprintf(stdout, fmt, vl);
3747 static void show_help(void)
3749 av_log_set_callback(log_callback_help);
3751 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3752 "Hyper fast Audio and Video encoder\n");
3754 show_help_options(options, "Main options:\n",
3755 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3756 show_help_options(options, "\nVideo options:\n",
3757 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3759 show_help_options(options, "\nAdvanced Video options:\n",
3760 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3761 OPT_VIDEO | OPT_EXPERT);
3762 show_help_options(options, "\nAudio options:\n",
3763 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3765 show_help_options(options, "\nAdvanced Audio options:\n",
3766 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3767 OPT_AUDIO | OPT_EXPERT);
3768 show_help_options(options, "\nSubtitle options:\n",
3769 OPT_SUBTITLE | OPT_GRAB,
3771 show_help_options(options, "\nAudio/Video grab options:\n",
3774 show_help_options(options, "\nAdvanced options:\n",
3775 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3777 av_opt_show(avctx_opts[0], NULL);
3778 av_opt_show(avformat_opts, NULL);
3779 av_opt_show(sws_opts, NULL);
3784 void parse_arg_file(const char *filename)
3786 opt_output_file(filename);
3789 int main(int argc, char **argv)
3796 for(i=0; i<CODEC_TYPE_NB; i++){
3797 avctx_opts[i]= avcodec_alloc_context2(i);
3799 avformat_opts = av_alloc_format_context();
3800 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3808 parse_options(argc, argv, options);
3810 /* file converter / grab */
3811 if (nb_output_files <= 0) {
3812 fprintf(stderr, "Must supply at least one output file\n");
3816 if (nb_input_files == 0) {
3817 fprintf(stderr, "Must supply at least one input file\n");
3822 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3823 stream_maps, nb_stream_maps);
3824 ti = getutime() - ti;
3826 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3830 for(i=0;i<nb_output_files;i++) {
3831 /* maybe av_close_output_file ??? */
3832 AVFormatContext *s = output_files[i];
3834 if (!(s->oformat->flags & AVFMT_NOFILE))
3836 for(j=0;j<s->nb_streams;j++) {
3837 av_free(s->streams[j]->codec);
3838 av_free(s->streams[j]);
3842 for(i=0;i<nb_input_files;i++)
3843 av_close_input_file(input_files[i]);
3847 av_free(intra_matrix);
3848 av_free(inter_matrix);
3852 av_free(vstats_filename);
3856 av_free(video_standard);
3858 #ifdef CONFIG_POWERPC_PERF
3859 extern void powerpc_display_perf_report(void);
3860 powerpc_display_perf_report();
3861 #endif /* CONFIG_POWERPC_PERF */
3863 if (received_sigterm) {
3865 "Received signal %d: terminating.\n",
3866 (int) received_sigterm);
3870 exit(0); /* not all OS-es handle main() return value */