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_codec_id = CODEC_ID_NONE;
154 static char *subtitle_language = NULL;
156 static float mux_preload= 0.5;
157 static float mux_max_delay= 0.7;
159 static int64_t recording_time = 0;
160 static int64_t start_time = 0;
161 static int64_t rec_timestamp = 0;
162 static int64_t input_ts_offset = 0;
163 static int file_overwrite = 0;
164 static char *str_title = NULL;
165 static char *str_author = NULL;
166 static char *str_copyright = NULL;
167 static char *str_comment = NULL;
168 static char *str_album = NULL;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename = NULL;
175 static int audio_stream_copy = 0;
176 static int video_stream_copy = 0;
177 static int subtitle_stream_copy = 0;
178 static int video_sync_method= 1;
179 static int audio_sync_method= 0;
180 static int copy_ts= 0;
181 static int opt_shortest = 0; //
182 static int video_global_header = 0;
183 static char *vstats_filename;
184 static FILE *fvstats;
186 static int rate_emu = 0;
188 static int video_channel = 0;
189 static char *video_standard;
191 static int audio_volume = 256;
193 static int using_stdin = 0;
194 static int using_vhook = 0;
195 static int verbose = 1;
196 static int thread_count= 1;
197 static int q_pressed = 0;
198 static int64_t video_size = 0;
199 static int64_t audio_size = 0;
200 static int64_t extra_size = 0;
201 static int nb_frames_dup = 0;
202 static int nb_frames_drop = 0;
203 static int input_sync;
204 static uint64_t limit_filesize = 0; //
206 static int pgmyuv_compatibility_hack=0;
207 static int dts_delta_threshold = 10;
209 static int sws_flags = SWS_BICUBIC;
211 static const char **opt_names;
212 static int opt_name_count;
213 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214 static AVFormatContext *avformat_opts;
215 static struct SwsContext *sws_opts;
216 static int64_t timer_start;
218 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
222 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
224 struct AVInputStream;
226 typedef struct AVOutputStream {
227 int file_index; /* file index */
228 int index; /* stream index in the output file */
229 int source_index; /* AVInputStream index */
230 AVStream *st; /* stream in the output file */
231 int encoding_needed; /* true if encoding needed for this stream */
233 /* input pts and corresponding output pts
235 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
236 struct AVInputStream *sync_ist; /* input stream to sync against */
237 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240 AVFrame pict_tmp; /* temporary image for resampling */
241 struct SwsContext *img_resample_ctx; /* for image resampling */
245 int topBand; /* cropping area sizes */
249 int padtop; /* padding area sizes */
256 ReSampleContext *resample; /* for audio resampling */
257 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
261 typedef struct AVInputStream {
265 int discard; /* true if stream data should be discarded */
266 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
267 int64_t sample_index; /* current sample */
269 int64_t start; /* time when read started */
270 unsigned long frame; /* current frame */
271 int64_t next_pts; /* synthetic pts for cases where pkt.pts
273 int64_t pts; /* current pts */
274 int is_start; /* is 1 at the start and after a discontinuity */
277 typedef struct AVInputFile {
278 int eof_reached; /* true if eof reached */
279 int ist_index; /* index of first stream in ist_table */
280 int buffer_size; /* current total buffer size */
281 int nb_streams; /* nb streams we are aware of */
284 #ifdef HAVE_TERMIOS_H
286 /* init terminal so that we can grab keys */
287 static struct termios oldtty;
290 static void term_exit(void)
292 #ifdef HAVE_TERMIOS_H
293 tcsetattr (0, TCSANOW, &oldtty);
297 static volatile sig_atomic_t received_sigterm = 0;
300 sigterm_handler(int sig)
302 received_sigterm = sig;
306 static void term_init(void)
308 #ifdef HAVE_TERMIOS_H
314 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
315 |INLCR|IGNCR|ICRNL|IXON);
316 tty.c_oflag |= OPOST;
317 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
318 tty.c_cflag &= ~(CSIZE|PARENB);
323 tcsetattr (0, TCSANOW, &tty);
324 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
327 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
328 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
330 register a function to be called at normal program termination
333 #ifdef CONFIG_BEOS_NETSERVER
334 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
338 /* read a key without blocking */
339 static int read_key(void)
341 #if defined(HAVE_TERMIOS_H)
344 #ifndef CONFIG_BEOS_NETSERVER
352 n = select(1, &rfds, NULL, NULL, &tv);
361 #elif defined(HAVE_CONIO_H)
368 static int decode_interrupt_cb(void)
370 return q_pressed || (q_pressed = read_key() == 'q');
373 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
378 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
381 /* copy stream format */
382 s->nb_streams = ic->nb_streams;
383 for(i=0;i<ic->nb_streams;i++) {
386 // FIXME: a more elegant solution is needed
387 st = av_mallocz(sizeof(AVStream));
388 memcpy(st, ic->streams[i], sizeof(AVStream));
389 st->codec = avcodec_alloc_context();
390 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
394 av_close_input_file(ic);
399 get_sync_ipts(const AVOutputStream *ost)
401 const AVInputStream *ist = ost->sync_ist;
402 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
405 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
407 AVPacket new_pkt= *pkt;
408 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
409 &new_pkt.data, &new_pkt.size,
410 pkt->data, pkt->size,
411 pkt->flags & PKT_FLAG_KEY);
414 new_pkt.destruct= av_destruct_packet;
421 av_interleaved_write_frame(s, pkt);
424 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
426 static void do_audio_out(AVFormatContext *s,
429 unsigned char *buf, int size)
432 static uint8_t *audio_buf = NULL;
433 static uint8_t *audio_out = NULL;
434 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
436 int size_out, frame_bytes, ret;
437 AVCodecContext *enc= ost->st->codec;
439 /* SC: dynamic allocation of buffers */
441 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
443 audio_out = av_malloc(audio_out_size);
444 if (!audio_buf || !audio_out)
445 return; /* Should signal an error ! */
447 if(audio_sync_method){
448 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
449 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
450 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
451 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
453 //FIXME resample delay
454 if(fabs(delta) > 50){
457 byte_delta= FFMAX(byte_delta, -size);
461 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
466 static uint8_t *input_tmp= NULL;
467 input_tmp= av_realloc(input_tmp, byte_delta + size);
469 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
472 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
474 memset(input_tmp, 0, byte_delta);
475 memcpy(input_tmp + byte_delta, buf, size);
479 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
481 }else if(audio_sync_method>1){
482 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
483 assert(ost->audio_resample);
485 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
486 // 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));
487 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
491 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
492 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
494 if (ost->audio_resample) {
496 size_out = audio_resample(ost->resample,
497 (short *)buftmp, (short *)buf,
498 size / (ist->st->codec->channels * 2));
499 size_out = size_out * enc->channels * 2;
505 /* now encode as many frames as possible */
506 if (enc->frame_size > 1) {
507 /* output resampled raw samples */
508 av_fifo_write(&ost->fifo, buftmp, size_out);
510 frame_bytes = enc->frame_size * 2 * enc->channels;
512 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
514 av_init_packet(&pkt);
516 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
519 pkt.stream_index= ost->index;
522 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
523 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
524 pkt.flags |= PKT_FLAG_KEY;
525 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
527 ost->sync_opts += enc->frame_size;
531 av_init_packet(&pkt);
533 ost->sync_opts += size_out / (2 * enc->channels);
535 /* output a pcm frame */
536 /* XXX: change encoding codec API to avoid this ? */
537 switch(enc->codec->id) {
538 case CODEC_ID_PCM_S32LE:
539 case CODEC_ID_PCM_S32BE:
540 case CODEC_ID_PCM_U32LE:
541 case CODEC_ID_PCM_U32BE:
542 size_out = size_out << 1;
544 case CODEC_ID_PCM_S24LE:
545 case CODEC_ID_PCM_S24BE:
546 case CODEC_ID_PCM_U24LE:
547 case CODEC_ID_PCM_U24BE:
548 case CODEC_ID_PCM_S24DAUD:
549 size_out = size_out / 2 * 3;
551 case CODEC_ID_PCM_S16LE:
552 case CODEC_ID_PCM_S16BE:
553 case CODEC_ID_PCM_U16LE:
554 case CODEC_ID_PCM_U16BE:
557 size_out = size_out >> 1;
560 ret = avcodec_encode_audio(enc, audio_out, size_out,
563 pkt.stream_index= ost->index;
566 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
567 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
568 pkt.flags |= PKT_FLAG_KEY;
569 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
573 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
577 AVPicture picture_tmp;
580 dec = ist->st->codec;
582 /* deinterlace : must be done before any resize */
583 if (do_deinterlace || using_vhook) {
586 /* create temporary picture */
587 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
588 buf = av_malloc(size);
592 picture2 = &picture_tmp;
593 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
596 if(avpicture_deinterlace(picture2, picture,
597 dec->pix_fmt, dec->width, dec->height) < 0) {
598 /* if error, do not deinterlace */
604 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
611 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
612 1000000 * ist->pts / AV_TIME_BASE);
614 if (picture != picture2)
615 *picture = *picture2;
619 /* we begin to correct av delay at this threshold */
620 #define AV_DELAY_MAX 0.100
622 static void do_subtitle_out(AVFormatContext *s,
628 static uint8_t *subtitle_out = NULL;
629 int subtitle_out_max_size = 65536;
630 int subtitle_out_size, nb, i;
634 if (pts == AV_NOPTS_VALUE) {
635 fprintf(stderr, "Subtitle packets must have a pts\n");
639 enc = ost->st->codec;
642 subtitle_out = av_malloc(subtitle_out_max_size);
645 /* Note: DVB subtitle need one packet to draw them and one other
646 packet to clear them */
647 /* XXX: signal it in the codec context ? */
648 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
653 for(i = 0; i < nb; i++) {
654 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
655 subtitle_out_max_size, sub);
657 av_init_packet(&pkt);
658 pkt.stream_index = ost->index;
659 pkt.data = subtitle_out;
660 pkt.size = subtitle_out_size;
661 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);
662 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
663 /* XXX: the pts correction is handled here. Maybe handling
664 it in the codec would be better */
666 pkt.pts += 90 * sub->start_display_time;
668 pkt.pts += 90 * sub->end_display_time;
670 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
674 static int bit_buffer_size= 1024*256;
675 static uint8_t *bit_buffer= NULL;
677 static void do_video_out(AVFormatContext *s,
683 int nb_frames, i, ret;
684 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
685 AVFrame picture_crop_temp, picture_pad_temp;
686 AVCodecContext *enc, *dec;
688 avcodec_get_frame_defaults(&picture_crop_temp);
689 avcodec_get_frame_defaults(&picture_pad_temp);
691 enc = ost->st->codec;
692 dec = ist->st->codec;
694 /* by default, we output a single frame */
699 if(video_sync_method){
701 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
702 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
705 else if (vdelta > 1.1)
706 nb_frames = lrintf(vdelta);
707 //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);
711 fprintf(stderr, "*** drop!\n");
712 }else if (nb_frames > 1) {
713 nb_frames_dup += nb_frames;
715 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
718 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
720 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
724 if (ost->video_crop) {
725 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
726 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
729 formatted_picture = &picture_crop_temp;
731 formatted_picture = in_picture;
734 final_picture = formatted_picture;
735 padding_src = formatted_picture;
736 resampling_dst = &ost->pict_tmp;
737 if (ost->video_pad) {
738 final_picture = &ost->pict_tmp;
739 if (ost->video_resample) {
740 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
741 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
744 resampling_dst = &picture_pad_temp;
748 if (ost->video_resample) {
750 final_picture = &ost->pict_tmp;
751 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
752 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
755 if (ost->video_pad) {
756 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
757 enc->height, enc->width, enc->pix_fmt,
758 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
761 /* duplicates frame if needed */
762 for(i=0;i<nb_frames;i++) {
764 av_init_packet(&pkt);
765 pkt.stream_index= ost->index;
767 if (s->oformat->flags & AVFMT_RAWPICTURE) {
768 /* raw pictures are written as AVPicture structure to
769 avoid any copies. We support temorarily the older
771 AVFrame* old_frame = enc->coded_frame;
772 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
773 pkt.data= (uint8_t *)final_picture;
774 pkt.size= sizeof(AVPicture);
775 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
776 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
777 if(dec->coded_frame && dec->coded_frame->key_frame)
778 pkt.flags |= PKT_FLAG_KEY;
780 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
781 enc->coded_frame = old_frame;
785 big_picture= *final_picture;
786 /* better than nothing: use input picture interlaced
788 big_picture.interlaced_frame = in_picture->interlaced_frame;
789 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
790 if(top_field_first == -1)
791 big_picture.top_field_first = in_picture->top_field_first;
793 big_picture.top_field_first = top_field_first;
796 /* handles sameq here. This is not correct because it may
797 not be a global option */
799 big_picture.quality = ist->st->quality;
801 big_picture.quality = ost->st->quality;
803 big_picture.pict_type = 0;
804 // big_picture.pts = AV_NOPTS_VALUE;
805 big_picture.pts= ost->sync_opts;
806 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
807 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
808 ret = avcodec_encode_video(enc,
809 bit_buffer, bit_buffer_size,
812 fprintf(stderr, "Video encoding failed\n");
815 //enc->frame_number = enc->real_pict_num;
817 pkt.data= bit_buffer;
819 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
820 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
821 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
822 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
823 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
825 if(enc->coded_frame && enc->coded_frame->key_frame)
826 pkt.flags |= PKT_FLAG_KEY;
827 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
829 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
830 // enc->frame_number-1, enc->real_pict_num, ret,
832 /* if two pass, output log */
833 if (ost->logfile && enc->stats_out) {
834 fprintf(ost->logfile, "%s", enc->stats_out);
843 static double psnr(double d){
844 if(d==0) return INFINITY;
845 return -10.0*log(d)/log(10.0);
848 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
853 double ti1, bitrate, avg_bitrate;
855 /* this is executed just the first time do_video_stats is called */
857 fvstats = fopen(vstats_filename, "w");
864 enc = ost->st->codec;
865 if (enc->codec_type == CODEC_TYPE_VIDEO) {
866 frame_number = ost->frame_number;
867 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
868 if (enc->flags&CODEC_FLAG_PSNR)
869 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
871 fprintf(fvstats,"f_size= %6d ", frame_size);
872 /* compute pts value */
873 ti1 = ost->sync_opts * av_q2d(enc->time_base);
877 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
878 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
879 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
880 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
881 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
885 static void print_report(AVFormatContext **output_files,
886 AVOutputStream **ost_table, int nb_ostreams,
891 AVFormatContext *oc, *os;
894 int frame_number, vid, i;
895 double bitrate, ti1, pts;
896 static int64_t last_time = -1;
897 static int qp_histogram[52];
899 if (!is_last_report) {
901 /* display the report every 0.5 seconds */
902 cur_time = av_gettime();
903 if (last_time == -1) {
904 last_time = cur_time;
907 if ((cur_time - last_time) < 500000)
909 last_time = cur_time;
913 oc = output_files[0];
915 total_size = url_fsize(&oc->pb);
916 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
917 total_size= url_ftell(&oc->pb);
922 for(i=0;i<nb_ostreams;i++) {
924 os = output_files[ost->file_index];
925 enc = ost->st->codec;
926 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
927 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
928 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
930 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
931 float t = (av_gettime()-timer_start) / 1000000.0;
933 frame_number = ost->frame_number;
934 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
935 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
936 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
938 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
939 if(qp_hist && enc->coded_frame){
941 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
942 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
945 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
947 if (enc->flags&CODEC_FLAG_PSNR){
949 double error, error_sum=0;
950 double scale, scale_sum=0;
951 char type[3]= {'Y','U','V'};
952 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
955 error= enc->error[j];
956 scale= enc->width*enc->height*255.0*255.0*frame_number;
958 error= enc->coded_frame->error[j];
959 scale= enc->width*enc->height*255.0*255.0;
964 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
970 /* compute min output value */
971 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
972 if ((pts < ti1) && (pts > 0))
978 if (verbose || is_last_report) {
979 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
981 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
982 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
983 (double)total_size / 1024, ti1, bitrate);
986 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
987 nb_frames_dup, nb_frames_drop);
990 fprintf(stderr, "%s \r", buf);
995 if (is_last_report && verbose >= 0){
996 int64_t raw= audio_size + video_size + extra_size;
997 fprintf(stderr, "\n");
998 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1002 100.0*(total_size - raw)/raw
1007 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1008 static int output_packet(AVInputStream *ist, int ist_index,
1009 AVOutputStream **ost_table, int nb_ostreams,
1010 const AVPacket *pkt)
1012 AVFormatContext *os;
1013 AVOutputStream *ost;
1017 int data_size, got_picture;
1019 void *buffer_to_free;
1020 static unsigned int samples_size= 0;
1021 static short *samples= NULL;
1022 AVSubtitle subtitle, *subtitle_to_free;
1026 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1027 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1028 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1030 // assert(ist->pts == ist->next_pts);
1044 /* decode the packet if needed */
1045 data_buf = NULL; /* fail safe */
1047 subtitle_to_free = NULL;
1048 if (ist->decoding_needed) {
1049 switch(ist->st->codec->codec_type) {
1050 case CODEC_TYPE_AUDIO:{
1052 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1053 data_size= samples_size;
1054 /* XXX: could avoid copy if PCM 16 bits with same
1055 endianness as CPU */
1056 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1062 /* Some bug in mpeg audio decoder gives */
1063 /* data_size < 0, it seems they are overflows */
1064 if (data_size <= 0) {
1065 /* no audio frame */
1068 data_buf = (uint8_t *)samples;
1069 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1070 (ist->st->codec->sample_rate * ist->st->codec->channels);
1072 case CODEC_TYPE_VIDEO:
1073 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1074 /* XXX: allocate picture correctly */
1075 avcodec_get_frame_defaults(&picture);
1077 ret = avcodec_decode_video(ist->st->codec,
1078 &picture, &got_picture, ptr, len);
1079 ist->st->quality= picture.quality;
1083 /* no picture yet */
1084 goto discard_packet;
1086 if (ist->st->codec->time_base.num != 0) {
1087 ist->next_pts += ((int64_t)AV_TIME_BASE *
1088 ist->st->codec->time_base.num) /
1089 ist->st->codec->time_base.den;
1093 case CODEC_TYPE_SUBTITLE:
1094 ret = avcodec_decode_subtitle(ist->st->codec,
1095 &subtitle, &got_subtitle, ptr, len);
1098 if (!got_subtitle) {
1099 goto discard_packet;
1101 subtitle_to_free = &subtitle;
1108 switch(ist->st->codec->codec_type) {
1109 case CODEC_TYPE_AUDIO:
1110 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1111 (ist->st->codec->sample_rate * ist->st->codec->channels);
1113 case CODEC_TYPE_VIDEO:
1114 if (ist->st->codec->time_base.num != 0) {
1115 ist->next_pts += ((int64_t)AV_TIME_BASE *
1116 ist->st->codec->time_base.num) /
1117 ist->st->codec->time_base.den;
1127 buffer_to_free = NULL;
1128 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1129 pre_process_video_frame(ist, (AVPicture *)&picture,
1133 // preprocess audio (volume)
1134 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1135 if (audio_volume != 256) {
1138 for(i=0;i<(data_size / sizeof(short));i++) {
1139 int v = ((*volp) * audio_volume + 128) >> 8;
1140 if (v < -32768) v = -32768;
1141 if (v > 32767) v = 32767;
1147 /* frame rate emulation */
1148 if (ist->st->codec->rate_emu) {
1149 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1150 int64_t now = av_gettime() - ist->start;
1158 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1159 is the one of the next displayed one */
1160 /* XXX: add mpeg4 too ? */
1161 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1162 if (ist->st->codec->pict_type != B_TYPE) {
1164 tmp = ist->last_ip_pts;
1165 ist->last_ip_pts = ist->frac_pts.val;
1166 ist->frac_pts.val = tmp;
1170 /* if output time reached then transcode raw format,
1171 encode packets and output them */
1172 if (start_time == 0 || ist->pts >= start_time)
1173 for(i=0;i<nb_ostreams;i++) {
1177 if (ost->source_index == ist_index) {
1178 os = output_files[ost->file_index];
1181 printf("%d: got pts=%0.3f %0.3f\n", i,
1182 (double)pkt->pts / AV_TIME_BASE,
1183 ((double)ist->pts / AV_TIME_BASE) -
1184 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1186 /* set the input output pts pairs */
1187 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1189 if (ost->encoding_needed) {
1190 switch(ost->st->codec->codec_type) {
1191 case CODEC_TYPE_AUDIO:
1192 do_audio_out(os, ost, ist, data_buf, data_size);
1194 case CODEC_TYPE_VIDEO:
1195 do_video_out(os, ost, ist, &picture, &frame_size);
1196 video_size += frame_size;
1197 if (vstats_filename && frame_size)
1198 do_video_stats(os, ost, frame_size);
1200 case CODEC_TYPE_SUBTITLE:
1201 do_subtitle_out(os, ost, ist, &subtitle,
1208 AVFrame avframe; //FIXME/XXX remove this
1210 av_init_packet(&opkt);
1212 /* no reencoding needed : output the packet directly */
1213 /* force the input stream PTS */
1215 avcodec_get_frame_defaults(&avframe);
1216 ost->st->codec->coded_frame= &avframe;
1217 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1219 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1220 audio_size += data_size;
1221 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1222 video_size += data_size;
1226 opkt.stream_index= ost->index;
1227 if(pkt->pts != AV_NOPTS_VALUE)
1228 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);
1230 opkt.pts= AV_NOPTS_VALUE;
1234 if (pkt->dts == AV_NOPTS_VALUE)
1235 dts = ist->next_pts;
1237 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1238 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1240 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1241 opkt.flags= pkt->flags;
1243 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1244 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1245 opkt.destruct= av_destruct_packet;
1247 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1248 ost->st->codec->frame_number++;
1249 ost->frame_number++;
1250 av_free_packet(&opkt);
1254 av_free(buffer_to_free);
1255 /* XXX: allocate the subtitles in the codec ? */
1256 if (subtitle_to_free) {
1257 if (subtitle_to_free->rects != NULL) {
1258 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1259 av_free(subtitle_to_free->rects[i].bitmap);
1260 av_free(subtitle_to_free->rects[i].rgba_palette);
1262 av_freep(&subtitle_to_free->rects);
1264 subtitle_to_free->num_rects = 0;
1265 subtitle_to_free = NULL;
1272 for(i=0;i<nb_ostreams;i++) {
1274 if (ost->source_index == ist_index) {
1275 AVCodecContext *enc= ost->st->codec;
1276 os = output_files[ost->file_index];
1278 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1280 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1283 if (ost->encoding_needed) {
1287 av_init_packet(&pkt);
1288 pkt.stream_index= ost->index;
1290 switch(ost->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 fifo_bytes = av_fifo_size(&ost->fifo);
1294 /* encode any samples remaining in fifo */
1295 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1296 int fs_tmp = enc->frame_size;
1297 enc->frame_size = fifo_bytes / (2 * enc->channels);
1298 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1299 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1301 enc->frame_size = fs_tmp;
1304 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1307 pkt.flags |= PKT_FLAG_KEY;
1309 case CODEC_TYPE_VIDEO:
1310 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1312 if(enc->coded_frame && enc->coded_frame->key_frame)
1313 pkt.flags |= PKT_FLAG_KEY;
1314 if (ost->logfile && enc->stats_out) {
1315 fprintf(ost->logfile, "%s", enc->stats_out);
1324 pkt.data= bit_buffer;
1326 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1327 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1342 * The following code is the main loop of the file converter
1344 static int av_encode(AVFormatContext **output_files,
1345 int nb_output_files,
1346 AVFormatContext **input_files,
1348 AVStreamMap *stream_maps, int nb_stream_maps)
1350 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1351 AVFormatContext *is, *os;
1352 AVCodecContext *codec, *icodec;
1353 AVOutputStream *ost, **ost_table = NULL;
1354 AVInputStream *ist, **ist_table = NULL;
1355 AVInputFile *file_table;
1358 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1362 /* input stream init */
1364 for(i=0;i<nb_input_files;i++) {
1365 is = input_files[i];
1366 file_table[i].ist_index = j;
1367 file_table[i].nb_streams = is->nb_streams;
1368 j += is->nb_streams;
1372 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1376 for(i=0;i<nb_istreams;i++) {
1377 ist = av_mallocz(sizeof(AVInputStream));
1383 for(i=0;i<nb_input_files;i++) {
1384 is = input_files[i];
1385 for(k=0;k<is->nb_streams;k++) {
1386 ist = ist_table[j++];
1387 ist->st = is->streams[k];
1388 ist->file_index = i;
1390 ist->discard = 1; /* the stream is discarded by default
1393 if (ist->st->codec->rate_emu) {
1394 ist->start = av_gettime();
1400 /* output stream init */
1402 for(i=0;i<nb_output_files;i++) {
1403 os = output_files[i];
1404 if (!os->nb_streams) {
1405 fprintf(stderr, "Output file does not contain any stream\n");
1408 nb_ostreams += os->nb_streams;
1410 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1411 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1415 /* Sanity check the mapping args -- do the input files & streams exist? */
1416 for(i=0;i<nb_stream_maps;i++) {
1417 int fi = stream_maps[i].file_index;
1418 int si = stream_maps[i].stream_index;
1420 if (fi < 0 || fi > nb_input_files - 1 ||
1421 si < 0 || si > file_table[fi].nb_streams - 1) {
1422 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1425 fi = stream_maps[i].sync_file_index;
1426 si = stream_maps[i].sync_stream_index;
1427 if (fi < 0 || fi > nb_input_files - 1 ||
1428 si < 0 || si > file_table[fi].nb_streams - 1) {
1429 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1434 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1437 for(i=0;i<nb_ostreams;i++) {
1438 ost = av_mallocz(sizeof(AVOutputStream));
1445 for(k=0;k<nb_output_files;k++) {
1446 os = output_files[k];
1447 for(i=0;i<os->nb_streams;i++) {
1449 ost = ost_table[n++];
1450 ost->file_index = k;
1452 ost->st = os->streams[i];
1453 if (nb_stream_maps > 0) {
1454 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1455 stream_maps[n-1].stream_index;
1457 /* Sanity check that the stream types match */
1458 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1459 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1460 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1461 ost->file_index, ost->index);
1466 /* get corresponding input stream index : we select the first one with the right type */
1468 for(j=0;j<nb_istreams;j++) {
1471 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1472 ost->source_index = j;
1479 /* try again and reuse existing stream */
1480 for(j=0;j<nb_istreams;j++) {
1482 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1483 ost->source_index = j;
1488 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1489 ost->file_index, ost->index);
1494 ist = ist_table[ost->source_index];
1496 ost->sync_ist = (nb_stream_maps > 0) ?
1497 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1498 stream_maps[n-1].sync_stream_index] : ist;
1502 /* for each output stream, we compute the right encoding parameters */
1503 for(i=0;i<nb_ostreams;i++) {
1505 ist = ist_table[ost->source_index];
1507 codec = ost->st->codec;
1508 icodec = ist->st->codec;
1510 if (ost->st->stream_copy) {
1511 /* if stream_copy is selected, no need to decode or encode */
1512 codec->codec_id = icodec->codec_id;
1513 codec->codec_type = icodec->codec_type;
1514 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1515 codec->bit_rate = icodec->bit_rate;
1516 codec->extradata= icodec->extradata;
1517 codec->extradata_size= icodec->extradata_size;
1518 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1519 codec->time_base = icodec->time_base;
1521 codec->time_base = ist->st->time_base;
1522 switch(codec->codec_type) {
1523 case CODEC_TYPE_AUDIO:
1524 codec->sample_rate = icodec->sample_rate;
1525 codec->channels = icodec->channels;
1526 codec->frame_size = icodec->frame_size;
1527 codec->block_align= icodec->block_align;
1529 case CODEC_TYPE_VIDEO:
1531 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1534 codec->pix_fmt = icodec->pix_fmt;
1535 codec->width = icodec->width;
1536 codec->height = icodec->height;
1537 codec->has_b_frames = icodec->has_b_frames;
1539 case CODEC_TYPE_SUBTITLE:
1545 switch(codec->codec_type) {
1546 case CODEC_TYPE_AUDIO:
1547 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1550 if (codec->channels == icodec->channels &&
1551 codec->sample_rate == icodec->sample_rate) {
1552 ost->audio_resample = 0;
1554 if (codec->channels != icodec->channels &&
1555 (icodec->codec_id == CODEC_ID_AC3 ||
1556 icodec->codec_id == CODEC_ID_DTS)) {
1557 /* Special case for 5:1 AC3 and DTS input */
1558 /* and mono or stereo output */
1559 /* Request specific number of channels */
1560 icodec->channels = codec->channels;
1561 if (codec->sample_rate == icodec->sample_rate)
1562 ost->audio_resample = 0;
1564 ost->audio_resample = 1;
1567 ost->audio_resample = 1;
1570 if(audio_sync_method>1)
1571 ost->audio_resample = 1;
1573 if(ost->audio_resample){
1574 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1575 codec->sample_rate, icodec->sample_rate);
1577 printf("Can't resample. Aborting.\n");
1581 ist->decoding_needed = 1;
1582 ost->encoding_needed = 1;
1584 case CODEC_TYPE_VIDEO:
1585 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1586 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1587 ost->video_resample = ((codec->width != icodec->width -
1588 (frame_leftBand + frame_rightBand) +
1589 (frame_padleft + frame_padright)) ||
1590 (codec->height != icodec->height -
1591 (frame_topBand + frame_bottomBand) +
1592 (frame_padtop + frame_padbottom)) ||
1593 (codec->pix_fmt != icodec->pix_fmt));
1594 if (ost->video_crop) {
1595 ost->topBand = frame_topBand;
1596 ost->leftBand = frame_leftBand;
1598 if (ost->video_pad) {
1599 ost->padtop = frame_padtop;
1600 ost->padleft = frame_padleft;
1601 ost->padbottom = frame_padbottom;
1602 ost->padright = frame_padright;
1603 if (!ost->video_resample) {
1604 avcodec_get_frame_defaults(&ost->pict_tmp);
1605 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1606 codec->width, codec->height ) )
1610 if (ost->video_resample) {
1611 avcodec_get_frame_defaults(&ost->pict_tmp);
1612 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1613 codec->width, codec->height ) ) {
1614 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1617 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1618 ost->img_resample_ctx = sws_getContext(
1619 icodec->width - (frame_leftBand + frame_rightBand),
1620 icodec->height - (frame_topBand + frame_bottomBand),
1622 codec->width - (frame_padleft + frame_padright),
1623 codec->height - (frame_padtop + frame_padbottom),
1625 sws_flags, NULL, NULL, NULL);
1626 if (ost->img_resample_ctx == NULL) {
1627 fprintf(stderr, "Cannot get resampling context\n");
1630 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1632 ost->encoding_needed = 1;
1633 ist->decoding_needed = 1;
1635 case CODEC_TYPE_SUBTITLE:
1636 ost->encoding_needed = 1;
1637 ist->decoding_needed = 1;
1644 if (ost->encoding_needed &&
1645 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1646 char logfilename[1024];
1651 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1653 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1654 if (codec->flags & CODEC_FLAG_PASS1) {
1655 f = fopen(logfilename, "w");
1657 perror(logfilename);
1662 /* read the log file */
1663 f = fopen(logfilename, "r");
1665 perror(logfilename);
1668 fseek(f, 0, SEEK_END);
1670 fseek(f, 0, SEEK_SET);
1671 logbuffer = av_malloc(size + 1);
1673 fprintf(stderr, "Could not allocate log buffer\n");
1676 size = fread(logbuffer, 1, size, f);
1678 logbuffer[size] = '\0';
1679 codec->stats_in = logbuffer;
1683 if(codec->codec_type == CODEC_TYPE_VIDEO){
1684 int size= codec->width * codec->height;
1685 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1690 bit_buffer = av_malloc(bit_buffer_size);
1694 /* dump the file output parameters - cannot be done before in case
1696 for(i=0;i<nb_output_files;i++) {
1697 dump_format(output_files[i], i, output_files[i]->filename, 1);
1700 /* dump the stream mapping */
1702 fprintf(stderr, "Stream mapping:\n");
1703 for(i=0;i<nb_ostreams;i++) {
1705 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1706 ist_table[ost->source_index]->file_index,
1707 ist_table[ost->source_index]->index,
1710 if (ost->sync_ist != ist_table[ost->source_index])
1711 fprintf(stderr, " [sync #%d.%d]",
1712 ost->sync_ist->file_index,
1713 ost->sync_ist->index);
1714 fprintf(stderr, "\n");
1718 /* open each encoder */
1719 for(i=0;i<nb_ostreams;i++) {
1721 if (ost->encoding_needed) {
1723 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1725 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1726 ost->file_index, ost->index);
1729 if (avcodec_open(ost->st->codec, codec) < 0) {
1730 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1731 ost->file_index, ost->index);
1734 extra_size += ost->st->codec->extradata_size;
1738 /* open each decoder */
1739 for(i=0;i<nb_istreams;i++) {
1741 if (ist->decoding_needed) {
1743 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1745 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1746 ist->st->codec->codec_id, ist->file_index, ist->index);
1749 if (avcodec_open(ist->st->codec, codec) < 0) {
1750 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1751 ist->file_index, ist->index);
1754 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1755 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1760 for(i=0;i<nb_istreams;i++) {
1762 is = input_files[ist->file_index];
1764 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1765 if(ist->st->start_time == AV_NOPTS_VALUE)
1767 if(input_files_ts_offset[ist->file_index])
1768 ist->next_pts= AV_NOPTS_VALUE;
1772 /* set meta data information from input file if required */
1773 for (i=0;i<nb_meta_data_maps;i++) {
1774 AVFormatContext *out_file;
1775 AVFormatContext *in_file;
1777 int out_file_index = meta_data_maps[i].out_file;
1778 int in_file_index = meta_data_maps[i].in_file;
1779 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1780 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1781 ret = AVERROR(EINVAL);
1784 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1785 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1786 ret = AVERROR(EINVAL);
1790 out_file = output_files[out_file_index];
1791 in_file = input_files[in_file_index];
1793 strcpy(out_file->title, in_file->title);
1794 strcpy(out_file->author, in_file->author);
1795 strcpy(out_file->copyright, in_file->copyright);
1796 strcpy(out_file->comment, in_file->comment);
1797 strcpy(out_file->album, in_file->album);
1798 out_file->year = in_file->year;
1799 out_file->track = in_file->track;
1800 strcpy(out_file->genre, in_file->genre);
1803 /* open files and write file headers */
1804 for(i=0;i<nb_output_files;i++) {
1805 os = output_files[i];
1806 if (av_write_header(os) < 0) {
1807 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1808 ret = AVERROR(EINVAL);
1813 if ( !using_stdin && verbose >= 0) {
1814 fprintf(stderr, "Press [q] to stop encoding\n");
1815 url_set_interrupt_cb(decode_interrupt_cb);
1820 timer_start = av_gettime();
1822 for(; received_sigterm == 0;) {
1823 int file_index, ist_index;
1831 /* if 'q' pressed, exits */
1835 /* read_key() returns 0 on EOF */
1841 /* select the stream that we must read now by looking at the
1842 smallest output pts */
1844 for(i=0;i<nb_ostreams;i++) {
1847 os = output_files[ost->file_index];
1848 ist = ist_table[ost->source_index];
1849 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1850 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1852 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1853 ipts = (double)ist->pts;
1854 if (!file_table[ist->file_index].eof_reached){
1855 if(ipts < ipts_min) {
1857 if(input_sync ) file_index = ist->file_index;
1859 if(opts < opts_min) {
1861 if(!input_sync) file_index = ist->file_index;
1864 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1869 /* if none, if is finished */
1870 if (file_index < 0) {
1874 /* finish if recording time exhausted */
1875 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1878 /* finish if limit size exhausted */
1879 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1882 /* read a frame from it and output it in the fifo */
1883 is = input_files[file_index];
1884 if (av_read_frame(is, &pkt) < 0) {
1885 file_table[file_index].eof_reached = 1;
1893 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1895 /* the following test is needed in case new streams appear
1896 dynamically in stream : we ignore them */
1897 if (pkt.stream_index >= file_table[file_index].nb_streams)
1898 goto discard_packet;
1899 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1900 ist = ist_table[ist_index];
1902 goto discard_packet;
1904 // 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);
1905 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1906 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1907 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1908 input_files_ts_offset[ist->file_index]-= delta;
1910 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1911 for(i=0; i<file_table[file_index].nb_streams; i++){
1912 int index= file_table[file_index].ist_index + i;
1913 ist_table[index]->next_pts += delta;
1914 ist_table[index]->is_start=1;
1919 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1920 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1923 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1924 ist->file_index, ist->index);
1926 av_free_packet(&pkt);
1931 av_free_packet(&pkt);
1933 /* dump report by using the output first video and audio streams */
1934 print_report(output_files, ost_table, nb_ostreams, 0);
1937 /* at the end of stream, we must flush the decoder buffers */
1938 for(i=0;i<nb_istreams;i++) {
1940 if (ist->decoding_needed) {
1941 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1947 /* write the trailer if needed and close file */
1948 for(i=0;i<nb_output_files;i++) {
1949 os = output_files[i];
1950 av_write_trailer(os);
1953 /* dump report by using the first video and audio streams */
1954 print_report(output_files, ost_table, nb_ostreams, 1);
1956 /* close each encoder */
1957 for(i=0;i<nb_ostreams;i++) {
1959 if (ost->encoding_needed) {
1960 av_freep(&ost->st->codec->stats_in);
1961 avcodec_close(ost->st->codec);
1965 /* close each decoder */
1966 for(i=0;i<nb_istreams;i++) {
1968 if (ist->decoding_needed) {
1969 avcodec_close(ist->st->codec);
1977 av_freep(&bit_buffer);
1978 av_free(file_table);
1981 for(i=0;i<nb_istreams;i++) {
1988 for(i=0;i<nb_ostreams;i++) {
1992 fclose(ost->logfile);
1993 ost->logfile = NULL;
1995 av_fifo_free(&ost->fifo); /* works even if fifo is not
1996 initialized but set to zero */
1997 av_free(ost->pict_tmp.data[0]);
1998 if (ost->video_resample)
1999 sws_freeContext(ost->img_resample_ctx);
2000 if (ost->audio_resample)
2001 audio_resample_close(ost->resample);
2009 ret = AVERROR(ENOMEM);
2014 int file_read(const char *filename)
2017 unsigned char buffer[1024];
2020 if (url_open(&h, filename, O_RDONLY) < 0) {
2021 printf("could not open '%s'\n", filename);
2025 len = url_read(h, buffer, sizeof(buffer));
2028 for(i=0;i<len;i++) putchar(buffer[i]);
2035 static void opt_format(const char *arg)
2037 /* compatibility stuff for pgmyuv */
2038 if (!strcmp(arg, "pgmyuv")) {
2039 pgmyuv_compatibility_hack=1;
2040 // opt_image_format(arg);
2042 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2045 file_iformat = av_find_input_format(arg);
2046 file_oformat = guess_format(arg, NULL, NULL);
2047 if (!file_iformat && !file_oformat) {
2048 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2053 static void opt_video_rc_eq(char *arg)
2058 static void opt_video_rc_override_string(char *arg)
2060 video_rc_override_string = arg;
2063 static void opt_me_threshold(const char *arg)
2065 me_threshold = atoi(arg);
2068 static void opt_verbose(const char *arg)
2070 verbose = atoi(arg);
2071 av_log_level = atoi(arg);
2074 static void opt_frame_rate(const char *arg)
2076 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2077 fprintf(stderr, "Incorrect frame rate\n");
2082 static void opt_frame_crop_top(const char *arg)
2084 frame_topBand = atoi(arg);
2085 if (frame_topBand < 0) {
2086 fprintf(stderr, "Incorrect top crop size\n");
2089 if ((frame_topBand % 2) != 0) {
2090 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2093 if ((frame_topBand) >= frame_height){
2094 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2097 frame_height -= frame_topBand;
2100 static void opt_frame_crop_bottom(const char *arg)
2102 frame_bottomBand = atoi(arg);
2103 if (frame_bottomBand < 0) {
2104 fprintf(stderr, "Incorrect bottom crop size\n");
2107 if ((frame_bottomBand % 2) != 0) {
2108 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2111 if ((frame_bottomBand) >= frame_height){
2112 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2115 frame_height -= frame_bottomBand;
2118 static void opt_frame_crop_left(const char *arg)
2120 frame_leftBand = atoi(arg);
2121 if (frame_leftBand < 0) {
2122 fprintf(stderr, "Incorrect left crop size\n");
2125 if ((frame_leftBand % 2) != 0) {
2126 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2129 if ((frame_leftBand) >= frame_width){
2130 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2133 frame_width -= frame_leftBand;
2136 static void opt_frame_crop_right(const char *arg)
2138 frame_rightBand = atoi(arg);
2139 if (frame_rightBand < 0) {
2140 fprintf(stderr, "Incorrect right crop size\n");
2143 if ((frame_rightBand % 2) != 0) {
2144 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2147 if ((frame_rightBand) >= frame_width){
2148 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2151 frame_width -= frame_rightBand;
2154 static void opt_frame_size(const char *arg)
2156 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2157 fprintf(stderr, "Incorrect frame size\n");
2160 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2161 fprintf(stderr, "Frame size must be a multiple of 2\n");
2167 #define SCALEBITS 10
2168 #define ONE_HALF (1 << (SCALEBITS - 1))
2169 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2171 #define RGB_TO_Y(r, g, b) \
2172 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2173 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2175 #define RGB_TO_U(r1, g1, b1, shift)\
2176 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2177 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2179 #define RGB_TO_V(r1, g1, b1, shift)\
2180 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2181 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2183 static void opt_pad_color(const char *arg) {
2184 /* Input is expected to be six hex digits similar to
2185 how colors are expressed in html tags (but without the #) */
2186 int rgb = strtol(arg, NULL, 16);
2190 g = ((rgb >> 8) & 255);
2193 padcolor[0] = RGB_TO_Y(r,g,b);
2194 padcolor[1] = RGB_TO_U(r,g,b,0);
2195 padcolor[2] = RGB_TO_V(r,g,b,0);
2198 static void opt_frame_pad_top(const char *arg)
2200 frame_padtop = atoi(arg);
2201 if (frame_padtop < 0) {
2202 fprintf(stderr, "Incorrect top pad size\n");
2205 if ((frame_padtop % 2) != 0) {
2206 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2211 static void opt_frame_pad_bottom(const char *arg)
2213 frame_padbottom = atoi(arg);
2214 if (frame_padbottom < 0) {
2215 fprintf(stderr, "Incorrect bottom pad size\n");
2218 if ((frame_padbottom % 2) != 0) {
2219 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2225 static void opt_frame_pad_left(const char *arg)
2227 frame_padleft = atoi(arg);
2228 if (frame_padleft < 0) {
2229 fprintf(stderr, "Incorrect left pad size\n");
2232 if ((frame_padleft % 2) != 0) {
2233 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2239 static void opt_frame_pad_right(const char *arg)
2241 frame_padright = atoi(arg);
2242 if (frame_padright < 0) {
2243 fprintf(stderr, "Incorrect right pad size\n");
2246 if ((frame_padright % 2) != 0) {
2247 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2252 void list_pix_fmts(void)
2255 char pix_fmt_str[128];
2256 for (i=-1; i < PIX_FMT_NB; i++) {
2257 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2258 fprintf(stdout, "%s\n", pix_fmt_str);
2262 static void opt_frame_pix_fmt(const char *arg)
2264 if (strcmp(arg, "list"))
2265 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2272 static void opt_frame_aspect_ratio(const char *arg)
2278 p = strchr(arg, ':');
2280 x = strtol(arg, (char **)&arg, 10);
2282 y = strtol(arg+1, (char **)&arg, 10);
2284 ar = (double)x / (double)y;
2286 ar = strtod(arg, (char **)&arg);
2289 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2292 frame_aspect_ratio = ar;
2295 static void opt_qscale(const char *arg)
2297 video_qscale = atof(arg);
2298 if (video_qscale <= 0 ||
2299 video_qscale > 255) {
2300 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2305 static void opt_qdiff(const char *arg)
2307 video_qdiff = atoi(arg);
2308 if (video_qdiff < 0 ||
2310 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2315 static void opt_strict(const char *arg)
2320 static void opt_top_field_first(const char *arg)
2322 top_field_first= atoi(arg);
2325 static void opt_thread_count(const char *arg)
2327 thread_count= atoi(arg);
2328 #if !defined(HAVE_THREADS)
2330 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2334 static void opt_audio_rate(const char *arg)
2336 audio_sample_rate = atoi(arg);
2339 static void opt_audio_channels(const char *arg)
2341 audio_channels = atoi(arg);
2344 static void opt_video_channel(const char *arg)
2346 video_channel = strtol(arg, NULL, 0);
2349 static void opt_video_standard(const char *arg)
2351 video_standard = av_strdup(arg);
2354 static void opt_codec(int *pstream_copy, int *pcodec_id,
2355 int codec_type, const char *arg)
2359 if (!strcmp(arg, "copy")) {
2364 if (!strcmp(p->name, arg) && p->type == codec_type)
2369 fprintf(stderr, "Unknown codec '%s'\n", arg);
2377 static void opt_audio_codec(const char *arg)
2379 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2382 static void opt_audio_tag(const char *arg)
2385 audio_codec_tag= strtol(arg, &tail, 0);
2388 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2391 static void opt_video_tag(const char *arg)
2394 video_codec_tag= strtol(arg, &tail, 0);
2397 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2401 static void add_frame_hooker(const char *arg)
2406 char *args = av_strdup(arg);
2410 argv[0] = strtok(args, " ");
2411 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2414 i = frame_hook_add(argc, argv);
2417 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2423 static void opt_video_codec(const char *arg)
2425 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2428 static void opt_subtitle_codec(const char *arg)
2430 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2433 static void opt_map(const char *arg)
2439 m = &stream_maps[nb_stream_maps++];
2441 m->file_index = strtol(arg, (char **)&p, 0);
2445 m->stream_index = strtol(p, (char **)&p, 0);
2448 m->sync_file_index = strtol(p, (char **)&p, 0);
2451 m->sync_stream_index = strtol(p, (char **)&p, 0);
2453 m->sync_file_index = m->file_index;
2454 m->sync_stream_index = m->stream_index;
2458 static void opt_map_meta_data(const char *arg)
2464 m = &meta_data_maps[nb_meta_data_maps++];
2466 m->out_file = strtol(arg, (char **)&p, 0);
2470 m->in_file = strtol(p, (char **)&p, 0);
2473 static void opt_recording_time(const char *arg)
2475 recording_time = parse_date(arg, 1);
2478 static void opt_start_time(const char *arg)
2480 start_time = parse_date(arg, 1);
2483 static void opt_rec_timestamp(const char *arg)
2485 rec_timestamp = parse_date(arg, 0) / 1000000;
2488 static void opt_input_ts_offset(const char *arg)
2490 input_ts_offset = parse_date(arg, 1);
2493 static void opt_input_file(const char *filename)
2495 AVFormatContext *ic;
2496 AVFormatParameters params, *ap = ¶ms;
2497 int err, i, ret, rfps, rfps_base;
2500 if (!strcmp(filename, "-"))
2503 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2504 !strcmp( filename, "/dev/stdin" );
2506 /* get default parameters from command line */
2507 ic = av_alloc_format_context();
2509 memset(ap, 0, sizeof(*ap));
2510 ap->prealloced_context = 1;
2511 ap->sample_rate = audio_sample_rate;
2512 ap->channels = audio_channels;
2513 ap->time_base.den = frame_rate.num;
2514 ap->time_base.num = frame_rate.den;
2515 ap->width = frame_width + frame_padleft + frame_padright;
2516 ap->height = frame_height + frame_padtop + frame_padbottom;
2517 ap->pix_fmt = frame_pix_fmt;
2518 ap->channel = video_channel;
2519 ap->standard = video_standard;
2520 ap->video_codec_id = video_codec_id;
2521 ap->audio_codec_id = audio_codec_id;
2522 if(pgmyuv_compatibility_hack)
2523 ap->video_codec_id= CODEC_ID_PGMYUV;
2525 for(i=0; i<opt_name_count; i++){
2526 const AVOption *opt;
2527 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2528 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2529 av_set_double(ic, opt_names[i], d);
2531 /* open the input file with generic libav function */
2532 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2534 print_error(filename, err);
2538 ic->loop_input = loop_input;
2540 /* If not enough info to get the stream parameters, we decode the
2541 first frames to get it. (used in mpeg case for example) */
2542 ret = av_find_stream_info(ic);
2543 if (ret < 0 && verbose >= 0) {
2544 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2548 timestamp = start_time;
2549 /* add the stream start time */
2550 if (ic->start_time != AV_NOPTS_VALUE)
2551 timestamp += ic->start_time;
2553 /* if seeking requested, we execute it */
2554 if (start_time != 0) {
2555 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2557 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2558 filename, (double)timestamp / AV_TIME_BASE);
2560 /* reset seek info */
2564 /* update the current parameters so that they match the one of the input stream */
2565 for(i=0;i<ic->nb_streams;i++) {
2567 AVCodecContext *enc = ic->streams[i]->codec;
2569 avcodec_thread_init(enc, thread_count);
2570 enc->thread_count= thread_count;
2571 switch(enc->codec_type) {
2572 case CODEC_TYPE_AUDIO:
2573 for(j=0; j<opt_name_count; j++){
2574 const AVOption *opt;
2575 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2576 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2577 av_set_double(enc, opt_names[j], d);
2579 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2580 audio_channels = enc->channels;
2581 audio_sample_rate = enc->sample_rate;
2583 ic->streams[i]->discard= AVDISCARD_ALL;
2585 case CODEC_TYPE_VIDEO:
2586 for(j=0; j<opt_name_count; j++){
2587 const AVOption *opt;
2588 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2589 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2590 av_set_double(enc, opt_names[j], d);
2592 frame_height = enc->height;
2593 frame_width = enc->width;
2594 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2595 frame_pix_fmt = enc->pix_fmt;
2596 rfps = ic->streams[i]->r_frame_rate.num;
2597 rfps_base = ic->streams[i]->r_frame_rate.den;
2598 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2600 enc->debug |= FF_DEBUG_MV;
2602 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2605 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2606 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2608 (float)rfps / rfps_base, rfps, rfps_base);
2610 /* update the current frame rate to match the stream frame rate */
2611 frame_rate.num = rfps;
2612 frame_rate.den = rfps_base;
2614 enc->rate_emu = rate_emu;
2616 ic->streams[i]->discard= AVDISCARD_ALL;
2617 else if(video_discard)
2618 ic->streams[i]->discard= video_discard;
2620 case CODEC_TYPE_DATA:
2622 case CODEC_TYPE_SUBTITLE:
2624 case CODEC_TYPE_UNKNOWN:
2631 input_files[nb_input_files] = ic;
2632 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2633 /* dump the file content */
2635 dump_format(ic, nb_input_files, filename, 0);
2638 file_iformat = NULL;
2639 file_oformat = NULL;
2646 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2648 int has_video, has_audio, i, j;
2649 AVFormatContext *ic;
2653 for(j=0;j<nb_input_files;j++) {
2654 ic = input_files[j];
2655 for(i=0;i<ic->nb_streams;i++) {
2656 AVCodecContext *enc = ic->streams[i]->codec;
2657 switch(enc->codec_type) {
2658 case CODEC_TYPE_AUDIO:
2661 case CODEC_TYPE_VIDEO:
2664 case CODEC_TYPE_DATA:
2665 case CODEC_TYPE_UNKNOWN:
2666 case CODEC_TYPE_SUBTITLE:
2673 *has_video_ptr = has_video;
2674 *has_audio_ptr = has_audio;
2677 static void new_video_stream(AVFormatContext *oc)
2680 AVCodecContext *video_enc;
2683 st = av_new_stream(oc, oc->nb_streams);
2685 fprintf(stderr, "Could not alloc stream\n");
2688 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2689 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2690 video_bitstream_filters= NULL;
2693 avcodec_thread_init(st->codec, thread_count);
2695 video_enc = st->codec;
2698 video_enc->codec_tag= video_codec_tag;
2700 if( (video_global_header&1)
2701 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2702 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2703 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2705 if(video_global_header&2){
2706 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2707 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2710 if (video_stream_copy) {
2711 st->stream_copy = 1;
2712 video_enc->codec_type = CODEC_TYPE_VIDEO;
2718 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2719 if (video_codec_id != CODEC_ID_NONE)
2720 codec_id = video_codec_id;
2722 video_enc->codec_id = codec_id;
2723 codec = avcodec_find_encoder(codec_id);
2725 for(i=0; i<opt_name_count; i++){
2726 const AVOption *opt;
2727 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2728 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2729 av_set_double(video_enc, opt_names[i], d);
2732 video_enc->time_base.den = frame_rate.num;
2733 video_enc->time_base.num = frame_rate.den;
2734 if(codec && codec->supported_framerates){
2735 const AVRational *p= codec->supported_framerates;
2736 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2737 const AVRational *best=NULL;
2738 AVRational best_error= (AVRational){INT_MAX, 1};
2739 for(; p->den!=0; p++){
2740 AVRational error= av_sub_q(req, *p);
2741 if(error.num <0) error.num *= -1;
2742 if(av_cmp_q(error, best_error) < 0){
2747 video_enc->time_base.den= best->num;
2748 video_enc->time_base.num= best->den;
2751 video_enc->width = frame_width + frame_padright + frame_padleft;
2752 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2753 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2754 video_enc->pix_fmt = frame_pix_fmt;
2756 if(codec && codec->pix_fmts){
2757 const enum PixelFormat *p= codec->pix_fmts;
2759 if(*p == video_enc->pix_fmt)
2763 video_enc->pix_fmt = codec->pix_fmts[0];
2767 video_enc->gop_size = 0;
2768 if (video_qscale || same_quality) {
2769 video_enc->flags |= CODEC_FLAG_QSCALE;
2770 video_enc->global_quality=
2771 st->quality = FF_QP2LAMBDA * video_qscale;
2775 video_enc->intra_matrix = intra_matrix;
2777 video_enc->inter_matrix = inter_matrix;
2779 video_enc->max_qdiff = video_qdiff;
2780 video_enc->rc_eq = video_rc_eq;
2781 video_enc->thread_count = thread_count;
2782 p= video_rc_override_string;
2785 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2787 fprintf(stderr, "error parsing rc_override\n");
2790 video_enc->rc_override=
2791 av_realloc(video_enc->rc_override,
2792 sizeof(RcOverride)*(i+1));
2793 video_enc->rc_override[i].start_frame= start;
2794 video_enc->rc_override[i].end_frame = end;
2796 video_enc->rc_override[i].qscale= q;
2797 video_enc->rc_override[i].quality_factor= 1.0;
2800 video_enc->rc_override[i].qscale= 0;
2801 video_enc->rc_override[i].quality_factor= -q/100.0;
2806 video_enc->rc_override_count=i;
2807 if (!video_enc->rc_initial_buffer_occupancy)
2808 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2809 video_enc->me_threshold= me_threshold;
2810 video_enc->intra_dc_precision= intra_dc_precision - 8;
2811 video_enc->strict_std_compliance = strict;
2814 video_enc->flags|= CODEC_FLAG_PSNR;
2819 video_enc->flags |= CODEC_FLAG_PASS1;
2821 video_enc->flags |= CODEC_FLAG_PASS2;
2826 /* reset some key parameters */
2828 video_codec_id = CODEC_ID_NONE;
2829 video_stream_copy = 0;
2832 static void new_audio_stream(AVFormatContext *oc)
2835 AVCodecContext *audio_enc;
2838 st = av_new_stream(oc, oc->nb_streams);
2840 fprintf(stderr, "Could not alloc stream\n");
2843 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2845 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2846 audio_bitstream_filters= NULL;
2849 avcodec_thread_init(st->codec, thread_count);
2851 audio_enc = st->codec;
2852 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2853 audio_enc->strict_std_compliance = strict;
2856 audio_enc->codec_tag= audio_codec_tag;
2858 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2859 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2860 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2862 if (audio_stream_copy) {
2863 st->stream_copy = 1;
2864 audio_enc->channels = audio_channels;
2866 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2868 for(i=0; i<opt_name_count; i++){
2869 const AVOption *opt;
2870 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2871 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2872 av_set_double(audio_enc, opt_names[i], d);
2875 if (audio_codec_id != CODEC_ID_NONE)
2876 codec_id = audio_codec_id;
2877 audio_enc->codec_id = codec_id;
2879 if (audio_qscale > QSCALE_NONE) {
2880 audio_enc->flags |= CODEC_FLAG_QSCALE;
2881 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2883 audio_enc->thread_count = thread_count;
2884 audio_enc->channels = audio_channels;
2886 audio_enc->sample_rate = audio_sample_rate;
2887 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2888 if (audio_language) {
2889 av_strlcpy(st->language, audio_language, sizeof(st->language));
2890 av_free(audio_language);
2891 audio_language = NULL;
2894 /* reset some key parameters */
2896 audio_codec_id = CODEC_ID_NONE;
2897 audio_stream_copy = 0;
2900 static void opt_new_subtitle_stream(void)
2902 AVFormatContext *oc;
2904 AVCodecContext *subtitle_enc;
2907 if (nb_output_files <= 0) {
2908 fprintf(stderr, "At least one output file must be specified\n");
2911 oc = output_files[nb_output_files - 1];
2913 st = av_new_stream(oc, oc->nb_streams);
2915 fprintf(stderr, "Could not alloc stream\n");
2918 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2920 subtitle_enc = st->codec;
2921 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2922 if (subtitle_stream_copy) {
2923 st->stream_copy = 1;
2925 for(i=0; i<opt_name_count; i++){
2926 const AVOption *opt;
2927 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2928 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2929 av_set_double(subtitle_enc, opt_names[i], d);
2931 subtitle_enc->codec_id = subtitle_codec_id;
2934 if (subtitle_language) {
2935 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2936 av_free(subtitle_language);
2937 subtitle_language = NULL;
2940 subtitle_codec_id = CODEC_ID_NONE;
2941 subtitle_stream_copy = 0;
2944 static void opt_new_audio_stream(void)
2946 AVFormatContext *oc;
2947 if (nb_output_files <= 0) {
2948 fprintf(stderr, "At least one output file must be specified\n");
2951 oc = output_files[nb_output_files - 1];
2952 new_audio_stream(oc);
2955 static void opt_new_video_stream(void)
2957 AVFormatContext *oc;
2958 if (nb_output_files <= 0) {
2959 fprintf(stderr, "At least one output file must be specified\n");
2962 oc = output_files[nb_output_files - 1];
2963 new_video_stream(oc);
2966 static void opt_output_file(const char *filename)
2968 AVFormatContext *oc;
2969 int use_video, use_audio, input_has_video, input_has_audio, i;
2970 AVFormatParameters params, *ap = ¶ms;
2972 if (!strcmp(filename, "-"))
2975 oc = av_alloc_format_context();
2977 if (!file_oformat) {
2978 file_oformat = guess_format(NULL, filename, NULL);
2979 if (!file_oformat) {
2980 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
2986 oc->oformat = file_oformat;
2987 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
2989 if (!strcmp(file_oformat->name, "ffm") &&
2990 av_strstart(filename, "http:", NULL)) {
2991 /* special case for files sent to ffserver: we get the stream
2992 parameters from ffserver */
2993 if (read_ffserver_streams(oc, filename) < 0) {
2994 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2998 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
2999 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3001 /* disable if no corresponding type found and at least one
3003 if (nb_input_files > 0) {
3004 check_audio_video_inputs(&input_has_video, &input_has_audio);
3005 if (!input_has_video)
3007 if (!input_has_audio)
3011 /* manual disable */
3012 if (audio_disable) {
3015 if (video_disable) {
3020 new_video_stream(oc);
3024 new_audio_stream(oc);
3027 oc->timestamp = rec_timestamp;
3030 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3032 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3034 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3036 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3038 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3041 output_files[nb_output_files++] = oc;
3043 /* check filename in case of an image number is expected */
3044 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3045 if (!av_filename_number_test(oc->filename)) {
3046 print_error(oc->filename, AVERROR_NUMEXPECTED);
3051 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3052 /* test if it already exists to avoid loosing precious files */
3053 if (!file_overwrite &&
3054 (strchr(filename, ':') == NULL ||
3055 av_strstart(filename, "file:", NULL))) {
3056 if (url_exist(filename)) {
3059 if ( !using_stdin ) {
3060 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3063 if (toupper(c) != 'Y') {
3064 fprintf(stderr, "Not overwriting - exiting\n");
3069 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3076 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3077 fprintf(stderr, "Could not open '%s'\n", filename);
3082 memset(ap, 0, sizeof(*ap));
3083 if (av_set_parameters(oc, ap) < 0) {
3084 fprintf(stderr, "%s: Invalid encoding parameters\n",
3089 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3090 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3091 oc->loop_output = loop_output;
3093 for(i=0; i<opt_name_count; i++){
3094 const AVOption *opt;
3095 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3096 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3097 av_set_double(oc, opt_names[i], d);
3100 /* reset some options */
3101 file_oformat = NULL;
3102 file_iformat = NULL;
3105 /* same option as mencoder */
3106 static void opt_pass(const char *pass_str)
3109 pass = atoi(pass_str);
3110 if (pass != 1 && pass != 2) {
3111 fprintf(stderr, "pass number can be only 1 or 2\n");
3117 static int64_t getutime(void)
3119 #ifdef HAVE_GETRUSAGE
3120 struct rusage rusage;
3122 getrusage(RUSAGE_SELF, &rusage);
3123 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3124 #elif defined(HAVE_GETPROCESSTIMES)
3126 FILETIME c, e, k, u;
3127 proc = GetCurrentProcess();
3128 GetProcessTimes(proc, &c, &e, &k, &u);
3129 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3131 return av_gettime();
3135 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3136 extern int ffm_nopts;
3139 static void show_formats(void)
3141 AVInputFormat *ifmt;
3142 AVOutputFormat *ofmt;
3145 const char *last_name;
3147 printf("File formats:\n");
3152 const char *name=NULL;
3153 const char *long_name=NULL;
3155 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3156 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3157 strcmp(ofmt->name, last_name)>0){
3159 long_name= ofmt->long_name;
3163 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3164 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3165 strcmp(ifmt->name, last_name)>0){
3167 long_name= ifmt->long_name;
3170 if(name && strcmp(ifmt->name, name)==0)
3182 long_name ? long_name:" ");
3186 printf("Codecs:\n");
3192 const char *type_str;
3195 for(p = first_avcodec; p != NULL; p = p->next) {
3196 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3197 strcmp(p->name, last_name)>0){
3199 decode= encode= cap=0;
3201 if(p2 && strcmp(p->name, p2->name)==0){
3202 if(p->decode) decode=1;
3203 if(p->encode) encode=1;
3204 cap |= p->capabilities;
3209 last_name= p2->name;
3212 case CODEC_TYPE_VIDEO:
3215 case CODEC_TYPE_AUDIO:
3218 case CODEC_TYPE_SUBTITLE:
3227 decode ? "D": (/*p2->decoder ? "d":*/" "),
3230 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3231 cap & CODEC_CAP_DR1 ? "D":" ",
3232 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3234 /* if(p2->decoder && decode==0)
3235 printf(" use %s for decoding", p2->decoder->name);*/
3240 printf("Supported file protocols:\n");
3241 for(up = first_protocol; up != NULL; up = up->next)
3242 printf(" %s:", up->name);
3245 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3248 "Note, the names of encoders and decoders do not always match, so there are\n"
3249 "several cases where the above table shows encoder only or decoder only entries\n"
3250 "even though both encoding and decoding are supported. For example, the h263\n"
3251 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3256 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3259 const char *p = str;
3266 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3273 static void opt_inter_matrix(const char *arg)
3275 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3276 parse_matrix_coeffs(inter_matrix, arg);
3279 static void opt_intra_matrix(const char *arg)
3281 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3282 parse_matrix_coeffs(intra_matrix, arg);
3285 static void opt_target(const char *arg)
3288 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3290 if(!strncmp(arg, "pal-", 4)) {
3293 } else if(!strncmp(arg, "ntsc-", 5)) {
3296 } else if(!strncmp(arg, "film-", 5)) {
3301 /* Calculate FR via float to avoid int overflow */
3302 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3305 } else if((fr == 29970) || (fr == 23976)) {
3308 /* Try to determine PAL/NTSC by peeking in the input files */
3309 if(nb_input_files) {
3311 for(j = 0; j < nb_input_files; j++) {
3312 for(i = 0; i < input_files[j]->nb_streams; i++) {
3313 AVCodecContext *c = input_files[j]->streams[i]->codec;
3314 if(c->codec_type != CODEC_TYPE_VIDEO)
3316 fr = c->time_base.den * 1000 / c->time_base.num;
3320 } else if((fr == 29970) || (fr == 23976)) {
3330 if(verbose && norm >= 0)
3331 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3335 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3336 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3337 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3341 if(!strcmp(arg, "vcd")) {
3343 opt_video_codec("mpeg1video");
3344 opt_audio_codec("mp2");
3347 opt_frame_size(norm ? "352x240" : "352x288");
3348 opt_frame_rate(frame_rates[norm]);
3349 opt_default("gop", norm ? "18" : "15");
3351 opt_default("b", "1150000");
3352 opt_default("maxrate", "1150000");
3353 opt_default("minrate", "1150000");
3354 opt_default("bufsize", "327680"); // 40*1024*8;
3356 opt_default("ab", "224000");
3357 audio_sample_rate = 44100;
3360 opt_default("packetsize", "2324");
3361 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3363 /* We have to offset the PTS, so that it is consistent with the SCR.
3364 SCR starts at 36000, but the first two packs contain only padding
3365 and the first pack from the other stream, respectively, may also have
3366 been written before.
3367 So the real data starts at SCR 36000+3*1200. */
3368 mux_preload= (36000+3*1200) / 90000.0; //0.44
3369 } else if(!strcmp(arg, "svcd")) {
3371 opt_video_codec("mpeg2video");
3372 opt_audio_codec("mp2");
3375 opt_frame_size(norm ? "480x480" : "480x576");
3376 opt_frame_rate(frame_rates[norm]);
3377 opt_default("gop", norm ? "18" : "15");
3379 opt_default("b", "2040000");
3380 opt_default("maxrate", "2516000");
3381 opt_default("minrate", "0"); //1145000;
3382 opt_default("bufsize", "1835008"); //224*1024*8;
3383 opt_default("flags", "+SCAN_OFFSET");
3386 opt_default("ab", "224000");
3387 audio_sample_rate = 44100;
3389 opt_default("packetsize", "2324");
3391 } else if(!strcmp(arg, "dvd")) {
3393 opt_video_codec("mpeg2video");
3394 opt_audio_codec("ac3");
3397 opt_frame_size(norm ? "720x480" : "720x576");
3398 opt_frame_rate(frame_rates[norm]);
3399 opt_default("gop", norm ? "18" : "15");
3401 opt_default("b", "6000000");
3402 opt_default("maxrate", "9000000");
3403 opt_default("minrate", "0"); //1500000;
3404 opt_default("bufsize", "1835008"); //224*1024*8;
3406 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3407 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3409 opt_default("ab", "448000");
3410 audio_sample_rate = 48000;
3412 } else if(!strncmp(arg, "dv", 2)) {
3416 opt_frame_size(norm ? "720x480" : "720x576");
3417 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3418 (norm ? "yuv411p" : "yuv420p"));
3419 opt_frame_rate(frame_rates[norm]);
3421 audio_sample_rate = 48000;
3425 fprintf(stderr, "Unknown target: %s\n", arg);
3430 static void opt_vstats_file (const char *arg)
3432 av_free (vstats_filename);
3433 vstats_filename=av_strdup (arg);
3436 static void opt_vstats (void)
3439 time_t today2 = time(NULL);
3440 struct tm *today = localtime(&today2);
3442 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3444 opt_vstats_file(filename);
3447 static void opt_video_bsf(const char *arg)
3449 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3450 AVBitStreamFilterContext **bsfp;
3453 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3457 bsfp= &video_bitstream_filters;
3459 bsfp= &(*bsfp)->next;
3464 //FIXME avoid audio - video code duplication
3465 static void opt_audio_bsf(const char *arg)
3467 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3468 AVBitStreamFilterContext **bsfp;
3471 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3475 bsfp= &audio_bitstream_filters;
3477 bsfp= &(*bsfp)->next;
3482 static void show_version(void)
3484 /* TODO: add function interface to avutil and avformat */
3485 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3489 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3493 static int opt_default(const char *opt, const char *arg){
3495 const AVOption *o= NULL;
3496 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3498 for(type=0; type<CODEC_TYPE_NB; type++){
3499 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3501 o = av_set_string(avctx_opts[type], opt, arg);
3504 o = av_set_string(avformat_opts, opt, arg);
3506 o = av_set_string(sws_opts, opt, arg);
3509 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3510 else if(opt[0] == 'v')
3511 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3512 else if(opt[0] == 's')
3513 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3518 // 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));
3520 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3521 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3522 opt_names[opt_name_count++]= o->name;
3524 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3525 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3526 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3530 if(avctx_opts[0]->debug)
3531 av_log_level = AV_LOG_DEBUG;
3535 const OptionDef options[] = {
3537 { "L", 0, {(void*)show_license}, "show license" },
3538 { "h", 0, {(void*)show_help}, "show help" },
3539 { "version", 0, {(void*)show_version}, "show version" },
3540 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3541 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3542 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3543 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3544 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3545 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3546 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3547 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3548 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3549 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3550 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3551 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3552 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3553 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3554 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3555 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3556 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3557 "add timings for benchmarking" },
3558 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3559 "dump each input packet" },
3560 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3561 "when dumping packets, also dump the payload" },
3562 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3563 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3564 { "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)", "" },
3565 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3566 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3567 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3568 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3569 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3570 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3571 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3572 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3573 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3576 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3577 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3578 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3579 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3580 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3581 { "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" },
3582 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3583 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3584 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3585 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3586 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3587 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3588 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3589 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3590 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3591 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3592 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3593 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3594 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3595 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3596 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3597 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3598 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3599 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3600 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3601 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3602 "use same video quality as source (implies VBR)" },
3603 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3604 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3605 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3606 "deinterlace pictures" },
3607 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3608 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3609 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3611 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3613 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3614 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3615 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3616 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3617 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3618 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3619 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3622 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3623 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3624 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3625 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3626 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3627 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3628 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3629 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3630 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3631 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3633 /* subtitle options */
3634 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3635 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3636 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3639 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3640 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3641 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3644 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3645 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3647 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3648 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3650 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3654 static void show_banner(void)
3656 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3657 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3658 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3659 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3660 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3661 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3663 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3665 fprintf(stderr, ", using a non-gcc compiler\n");
3669 static void show_license(void)
3674 "FFmpeg is free software; you can redistribute it and/or modify\n"
3675 "it under the terms of the GNU General Public License as published by\n"
3676 "the Free Software Foundation; either version 2 of the License, or\n"
3677 "(at your option) any later version.\n"
3679 "FFmpeg is distributed in the hope that it will be useful,\n"
3680 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3681 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3682 "GNU General Public License for more details.\n"
3684 "You should have received a copy of the GNU General Public License\n"
3685 "along with FFmpeg; if not, write to the Free Software\n"
3686 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3690 "FFmpeg is free software; you can redistribute it and/or\n"
3691 "modify it under the terms of the GNU Lesser General Public\n"
3692 "License as published by the Free Software Foundation; either\n"
3693 "version 2.1 of the License, or (at your option) any later version.\n"
3695 "FFmpeg is distributed in the hope that it will be useful,\n"
3696 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3697 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3698 "Lesser General Public License for more details.\n"
3700 "You should have received a copy of the GNU Lesser General Public\n"
3701 "License along with FFmpeg; if not, write to the Free Software\n"
3702 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3709 * Trivial log callback.
3710 * Only suitable for show_help and similar since it lacks prefix handling.
3712 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3714 vfprintf(stdout, fmt, vl);
3717 static void show_help(void)
3719 av_log_set_callback(log_callback_help);
3721 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3722 "Hyper fast Audio and Video encoder\n");
3724 show_help_options(options, "Main options:\n",
3725 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3726 show_help_options(options, "\nVideo options:\n",
3727 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3729 show_help_options(options, "\nAdvanced Video options:\n",
3730 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3731 OPT_VIDEO | OPT_EXPERT);
3732 show_help_options(options, "\nAudio options:\n",
3733 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3735 show_help_options(options, "\nAdvanced Audio options:\n",
3736 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3737 OPT_AUDIO | OPT_EXPERT);
3738 show_help_options(options, "\nSubtitle options:\n",
3739 OPT_SUBTITLE | OPT_GRAB,
3741 show_help_options(options, "\nAudio/Video grab options:\n",
3744 show_help_options(options, "\nAdvanced options:\n",
3745 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3747 av_opt_show(avctx_opts[0], NULL);
3748 av_opt_show(avformat_opts, NULL);
3749 av_opt_show(sws_opts, NULL);
3754 void parse_arg_file(const char *filename)
3756 opt_output_file(filename);
3759 int main(int argc, char **argv)
3766 for(i=0; i<CODEC_TYPE_NB; i++){
3767 avctx_opts[i]= avcodec_alloc_context2(i);
3769 avformat_opts = av_alloc_format_context();
3770 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3778 parse_options(argc, argv, options);
3780 /* file converter / grab */
3781 if (nb_output_files <= 0) {
3782 fprintf(stderr, "Must supply at least one output file\n");
3786 if (nb_input_files == 0) {
3787 fprintf(stderr, "Must supply at least one input file\n");
3792 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3793 stream_maps, nb_stream_maps);
3794 ti = getutime() - ti;
3796 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3800 for(i=0;i<nb_output_files;i++) {
3801 /* maybe av_close_output_file ??? */
3802 AVFormatContext *s = output_files[i];
3804 if (!(s->oformat->flags & AVFMT_NOFILE))
3806 for(j=0;j<s->nb_streams;j++) {
3807 av_free(s->streams[j]->codec);
3808 av_free(s->streams[j]);
3812 for(i=0;i<nb_input_files;i++)
3813 av_close_input_file(input_files[i]);
3817 av_free(intra_matrix);
3818 av_free(inter_matrix);
3822 av_free(vstats_filename);
3826 av_free(video_standard);
3828 #ifdef CONFIG_POWERPC_PERF
3829 extern void powerpc_display_perf_report(void);
3830 powerpc_display_perf_report();
3831 #endif /* CONFIG_POWERPC_PERF */
3833 if (received_sigterm) {
3835 "Received signal %d: terminating.\n",
3836 (int) received_sigterm);
3840 exit(0); /* not all OS-es handle main() return value */