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
33 #include "framehook.h"
37 #include "os_support.h"
39 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
43 #if defined(HAVE_TERMIOS_H)
46 #include <sys/ioctl.h>
49 #include <sys/resource.h>
50 #elif defined(HAVE_CONIO_H)
53 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
62 #if !defined(INFINITY) && defined(HUGE_VAL)
63 #define INFINITY HUGE_VAL
68 static const char program_name[] = "FFmpeg";
69 static const int program_birth_year = 2000;
71 /* select an input stream for an output stream */
72 typedef struct AVStreamMap {
76 int sync_stream_index;
79 /** select an input file for an output file */
80 typedef struct AVMetaDataMap {
85 extern const OptionDef options[];
89 static AVFormatContext *input_files[MAX_FILES];
90 static int64_t input_files_ts_offset[MAX_FILES];
91 static int nb_input_files = 0;
93 static AVFormatContext *output_files[MAX_FILES];
94 static int nb_output_files = 0;
96 static AVStreamMap stream_maps[MAX_FILES];
97 static int nb_stream_maps;
99 static AVMetaDataMap meta_data_maps[MAX_FILES];
100 static int nb_meta_data_maps;
102 static AVInputFormat *file_iformat;
103 static AVOutputFormat *file_oformat;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static int frame_padtop = 0;
109 static int frame_padbottom = 0;
110 static int frame_padleft = 0;
111 static int frame_padright = 0;
112 static int padcolor[3] = {16,128,128}; /* default to black */
113 static int frame_topBand = 0;
114 static int frame_bottomBand = 0;
115 static int frame_leftBand = 0;
116 static int frame_rightBand = 0;
117 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
118 static AVRational frame_rate = (AVRational) {25,1};
119 static float video_qscale = 0;
120 static int video_qdiff = 3;
121 static uint16_t *intra_matrix = NULL;
122 static uint16_t *inter_matrix = NULL;
123 #if 0 //experimental, (can be removed)
124 static float video_rc_qsquish=1.0;
125 static float video_rc_qmod_amp=0;
126 static int video_rc_qmod_freq=0;
128 static char *video_rc_override_string=NULL;
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static float audio_drift_threshold= 0.1;
182 static int copy_ts= 0;
183 static int opt_shortest = 0; //
184 static int video_global_header = 0;
185 static char *vstats_filename;
186 static FILE *vstats_file;
187 static int opt_programid = 0;
189 static int rate_emu = 0;
191 static int video_channel = 0;
192 static char *video_standard;
194 static int audio_volume = 256;
196 static int using_stdin = 0;
197 static int using_vhook = 0;
198 static int verbose = 1;
199 static int thread_count= 1;
200 static int q_pressed = 0;
201 static int64_t video_size = 0;
202 static int64_t audio_size = 0;
203 static int64_t extra_size = 0;
204 static int nb_frames_dup = 0;
205 static int nb_frames_drop = 0;
206 static int input_sync;
207 static uint64_t limit_filesize = 0; //
209 static int pgmyuv_compatibility_hack=0;
210 static float dts_delta_threshold = 10;
212 static int sws_flags = SWS_BICUBIC;
214 static const char **opt_names;
215 static int opt_name_count;
216 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
217 static AVFormatContext *avformat_opts;
218 static struct SwsContext *sws_opts;
219 static int64_t timer_start;
221 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
225 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
227 struct AVInputStream;
229 typedef struct AVOutputStream {
230 int file_index; /* file index */
231 int index; /* stream index in the output file */
232 int source_index; /* AVInputStream index */
233 AVStream *st; /* stream in the output file */
234 int encoding_needed; /* true if encoding needed for this stream */
236 /* input pts and corresponding output pts
238 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
239 struct AVInputStream *sync_ist; /* input stream to sync against */
240 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
243 AVFrame pict_tmp; /* temporary image for resampling */
244 struct SwsContext *img_resample_ctx; /* for image resampling */
248 int topBand; /* cropping area sizes */
252 int padtop; /* padding area sizes */
259 ReSampleContext *resample; /* for audio resampling */
260 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
264 typedef struct AVInputStream {
268 int discard; /* true if stream data should be discarded */
269 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
270 int64_t sample_index; /* current sample */
272 int64_t start; /* time when read started */
273 unsigned long frame; /* current frame */
274 int64_t next_pts; /* synthetic pts for cases where pkt.pts
276 int64_t pts; /* current pts */
277 int is_start; /* is 1 at the start and after a discontinuity */
280 typedef struct AVInputFile {
281 int eof_reached; /* true if eof reached */
282 int ist_index; /* index of first stream in ist_table */
283 int buffer_size; /* current total buffer size */
284 int nb_streams; /* nb streams we are aware of */
287 #ifdef HAVE_TERMIOS_H
289 /* init terminal so that we can grab keys */
290 static struct termios oldtty;
293 static void term_exit(void)
295 #ifdef HAVE_TERMIOS_H
296 tcsetattr (0, TCSANOW, &oldtty);
300 static volatile sig_atomic_t received_sigterm = 0;
303 sigterm_handler(int sig)
305 received_sigterm = sig;
309 static void term_init(void)
311 #ifdef HAVE_TERMIOS_H
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
326 tcsetattr (0, TCSANOW, &tty);
327 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
330 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
333 register a function to be called at normal program termination
336 #ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
341 /* read a key without blocking */
342 static int read_key(void)
344 #if defined(HAVE_TERMIOS_H)
347 #ifndef CONFIG_BEOS_NETSERVER
355 n = select(1, &rfds, NULL, NULL, &tv);
364 #elif defined(HAVE_CONIO_H)
371 static int decode_interrupt_cb(void)
373 return q_pressed || (q_pressed = read_key() == 'q');
376 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
381 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
384 /* copy stream format */
385 s->nb_streams = ic->nb_streams;
386 for(i=0;i<ic->nb_streams;i++) {
389 // FIXME: a more elegant solution is needed
390 st = av_mallocz(sizeof(AVStream));
391 memcpy(st, ic->streams[i], sizeof(AVStream));
392 st->codec = avcodec_alloc_context();
393 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
397 av_close_input_file(ic);
402 get_sync_ipts(const AVOutputStream *ost)
404 const AVInputStream *ist = ost->sync_ist;
405 return (double)(ist->pts - start_time)/AV_TIME_BASE;
408 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
412 AVPacket new_pkt= *pkt;
413 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
414 &new_pkt.data, &new_pkt.size,
415 pkt->data, pkt->size,
416 pkt->flags & PKT_FLAG_KEY);
419 new_pkt.destruct= av_destruct_packet;
426 ret= av_interleaved_write_frame(s, pkt);
428 print_error("av_interleaved_write_frame()", ret);
433 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
435 static void do_audio_out(AVFormatContext *s,
438 unsigned char *buf, int size)
441 static uint8_t *audio_buf = NULL;
442 static uint8_t *audio_out = NULL;
443 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
445 int size_out, frame_bytes, ret;
446 AVCodecContext *enc= ost->st->codec;
447 AVCodecContext *dec= ist->st->codec;
449 /* SC: dynamic allocation of buffers */
451 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
453 audio_out = av_malloc(audio_out_size);
454 if (!audio_buf || !audio_out)
455 return; /* Should signal an error ! */
457 if (enc->channels != dec->channels)
458 ost->audio_resample = 1;
460 if (ost->audio_resample && !ost->resample) {
461 ost->resample = audio_resample_init(enc->channels, dec->channels,
462 enc->sample_rate, dec->sample_rate);
463 if (!ost->resample) {
464 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
465 dec->channels, dec->sample_rate,
466 enc->channels, enc->sample_rate);
471 if(audio_sync_method){
472 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
473 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
474 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
475 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
477 //FIXME resample delay
478 if(fabs(delta) > 50){
479 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
481 byte_delta= FFMAX(byte_delta, -size);
485 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
490 static uint8_t *input_tmp= NULL;
491 input_tmp= av_realloc(input_tmp, byte_delta + size);
493 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
496 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
498 memset(input_tmp, 0, byte_delta);
499 memcpy(input_tmp + byte_delta, buf, size);
503 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
505 }else if(audio_sync_method>1){
506 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
507 assert(ost->audio_resample);
509 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
510 // 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));
511 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
515 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
516 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
518 if (ost->audio_resample) {
520 size_out = audio_resample(ost->resample,
521 (short *)buftmp, (short *)buf,
522 size / (ist->st->codec->channels * 2));
523 size_out = size_out * enc->channels * 2;
529 /* now encode as many frames as possible */
530 if (enc->frame_size > 1) {
531 /* output resampled raw samples */
532 av_fifo_write(&ost->fifo, buftmp, size_out);
534 frame_bytes = enc->frame_size * 2 * enc->channels;
536 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
538 av_init_packet(&pkt);
540 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
543 pkt.stream_index= ost->index;
546 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
547 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
548 pkt.flags |= PKT_FLAG_KEY;
549 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
551 ost->sync_opts += enc->frame_size;
555 av_init_packet(&pkt);
557 ost->sync_opts += size_out / (2 * enc->channels);
559 /* output a pcm frame */
560 /* XXX: change encoding codec API to avoid this ? */
561 switch(enc->codec->id) {
562 case CODEC_ID_PCM_S32LE:
563 case CODEC_ID_PCM_S32BE:
564 case CODEC_ID_PCM_U32LE:
565 case CODEC_ID_PCM_U32BE:
566 size_out = size_out << 1;
568 case CODEC_ID_PCM_S24LE:
569 case CODEC_ID_PCM_S24BE:
570 case CODEC_ID_PCM_U24LE:
571 case CODEC_ID_PCM_U24BE:
572 case CODEC_ID_PCM_S24DAUD:
573 size_out = size_out / 2 * 3;
575 case CODEC_ID_PCM_S16LE:
576 case CODEC_ID_PCM_S16BE:
577 case CODEC_ID_PCM_U16LE:
578 case CODEC_ID_PCM_U16BE:
581 size_out = size_out >> 1;
584 ret = avcodec_encode_audio(enc, audio_out, size_out,
587 pkt.stream_index= ost->index;
590 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
591 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
592 pkt.flags |= PKT_FLAG_KEY;
593 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
597 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
601 AVPicture picture_tmp;
604 dec = ist->st->codec;
606 /* deinterlace : must be done before any resize */
607 if (do_deinterlace || using_vhook) {
610 /* create temporary picture */
611 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
612 buf = av_malloc(size);
616 picture2 = &picture_tmp;
617 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
620 if(avpicture_deinterlace(picture2, picture,
621 dec->pix_fmt, dec->width, dec->height) < 0) {
622 /* if error, do not deinterlace */
628 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
635 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
636 1000000 * ist->pts / AV_TIME_BASE);
638 if (picture != picture2)
639 *picture = *picture2;
643 /* we begin to correct av delay at this threshold */
644 #define AV_DELAY_MAX 0.100
646 static void do_subtitle_out(AVFormatContext *s,
652 static uint8_t *subtitle_out = NULL;
653 int subtitle_out_max_size = 65536;
654 int subtitle_out_size, nb, i;
658 if (pts == AV_NOPTS_VALUE) {
659 fprintf(stderr, "Subtitle packets must have a pts\n");
663 enc = ost->st->codec;
666 subtitle_out = av_malloc(subtitle_out_max_size);
669 /* Note: DVB subtitle need one packet to draw them and one other
670 packet to clear them */
671 /* XXX: signal it in the codec context ? */
672 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
677 for(i = 0; i < nb; i++) {
678 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
679 subtitle_out_max_size, sub);
681 av_init_packet(&pkt);
682 pkt.stream_index = ost->index;
683 pkt.data = subtitle_out;
684 pkt.size = subtitle_out_size;
685 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
686 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
687 /* XXX: the pts correction is handled here. Maybe handling
688 it in the codec would be better */
690 pkt.pts += 90 * sub->start_display_time;
692 pkt.pts += 90 * sub->end_display_time;
694 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
698 static int bit_buffer_size= 1024*256;
699 static uint8_t *bit_buffer= NULL;
701 static void do_video_out(AVFormatContext *s,
707 int nb_frames, i, ret;
708 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
709 AVFrame picture_crop_temp, picture_pad_temp;
710 AVCodecContext *enc, *dec;
712 avcodec_get_frame_defaults(&picture_crop_temp);
713 avcodec_get_frame_defaults(&picture_pad_temp);
715 enc = ost->st->codec;
716 dec = ist->st->codec;
718 /* by default, we output a single frame */
723 if(video_sync_method){
725 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
726 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
729 else if (vdelta > 1.1)
730 nb_frames = lrintf(vdelta);
731 //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);
735 fprintf(stderr, "*** drop!\n");
736 }else if (nb_frames > 1) {
737 nb_frames_dup += nb_frames;
739 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
742 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
744 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
748 if (ost->video_crop) {
749 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
750 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
753 formatted_picture = &picture_crop_temp;
755 formatted_picture = in_picture;
758 final_picture = formatted_picture;
759 padding_src = formatted_picture;
760 resampling_dst = &ost->pict_tmp;
761 if (ost->video_pad) {
762 final_picture = &ost->pict_tmp;
763 if (ost->video_resample) {
764 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
765 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
768 resampling_dst = &picture_pad_temp;
772 if (ost->video_resample) {
774 final_picture = &ost->pict_tmp;
775 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
776 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
779 if (ost->video_pad) {
780 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
781 enc->height, enc->width, enc->pix_fmt,
782 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
785 /* duplicates frame if needed */
786 for(i=0;i<nb_frames;i++) {
788 av_init_packet(&pkt);
789 pkt.stream_index= ost->index;
791 if (s->oformat->flags & AVFMT_RAWPICTURE) {
792 /* raw pictures are written as AVPicture structure to
793 avoid any copies. We support temorarily the older
795 AVFrame* old_frame = enc->coded_frame;
796 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
797 pkt.data= (uint8_t *)final_picture;
798 pkt.size= sizeof(AVPicture);
799 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
800 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
801 if(dec->coded_frame && dec->coded_frame->key_frame)
802 pkt.flags |= PKT_FLAG_KEY;
804 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
805 enc->coded_frame = old_frame;
809 big_picture= *final_picture;
810 /* better than nothing: use input picture interlaced
812 big_picture.interlaced_frame = in_picture->interlaced_frame;
813 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
814 if(top_field_first == -1)
815 big_picture.top_field_first = in_picture->top_field_first;
817 big_picture.top_field_first = top_field_first;
820 /* handles sameq here. This is not correct because it may
821 not be a global option */
823 big_picture.quality = ist->st->quality;
825 big_picture.quality = ost->st->quality;
827 big_picture.pict_type = 0;
828 // big_picture.pts = AV_NOPTS_VALUE;
829 big_picture.pts= ost->sync_opts;
830 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
831 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
832 ret = avcodec_encode_video(enc,
833 bit_buffer, bit_buffer_size,
836 fprintf(stderr, "Video encoding failed\n");
839 //enc->frame_number = enc->real_pict_num;
841 pkt.data= bit_buffer;
843 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
844 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
845 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
846 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
847 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
849 if(enc->coded_frame && enc->coded_frame->key_frame)
850 pkt.flags |= PKT_FLAG_KEY;
851 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
853 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
854 // enc->frame_number-1, enc->real_pict_num, ret,
856 /* if two pass, output log */
857 if (ost->logfile && enc->stats_out) {
858 fprintf(ost->logfile, "%s", enc->stats_out);
867 static double psnr(double d){
868 if(d==0) return INFINITY;
869 return -10.0*log(d)/log(10.0);
872 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
877 double ti1, bitrate, avg_bitrate;
879 /* this is executed just the first time do_video_stats is called */
881 vstats_file = fopen(vstats_filename, "w");
888 enc = ost->st->codec;
889 if (enc->codec_type == CODEC_TYPE_VIDEO) {
890 frame_number = ost->frame_number;
891 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
892 if (enc->flags&CODEC_FLAG_PSNR)
893 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
895 fprintf(vstats_file,"f_size= %6d ", frame_size);
896 /* compute pts value */
897 ti1 = ost->sync_opts * av_q2d(enc->time_base);
901 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
902 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
903 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
904 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
905 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
909 static void print_report(AVFormatContext **output_files,
910 AVOutputStream **ost_table, int nb_ostreams,
915 AVFormatContext *oc, *os;
918 int frame_number, vid, i;
919 double bitrate, ti1, pts;
920 static int64_t last_time = -1;
921 static int qp_histogram[52];
923 if (!is_last_report) {
925 /* display the report every 0.5 seconds */
926 cur_time = av_gettime();
927 if (last_time == -1) {
928 last_time = cur_time;
931 if ((cur_time - last_time) < 500000)
933 last_time = cur_time;
937 oc = output_files[0];
939 total_size = url_fsize(oc->pb);
940 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
941 total_size= url_ftell(oc->pb);
946 for(i=0;i<nb_ostreams;i++) {
948 os = output_files[ost->file_index];
949 enc = ost->st->codec;
950 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
951 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
952 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
954 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
955 float t = (av_gettime()-timer_start) / 1000000.0;
957 frame_number = ost->frame_number;
958 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
959 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
960 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
962 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
963 if(qp_hist && enc->coded_frame){
965 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
966 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
971 if (enc->flags&CODEC_FLAG_PSNR){
973 double error, error_sum=0;
974 double scale, scale_sum=0;
975 char type[3]= {'Y','U','V'};
976 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
979 error= enc->error[j];
980 scale= enc->width*enc->height*255.0*255.0*frame_number;
982 error= enc->coded_frame->error[j];
983 scale= enc->width*enc->height*255.0*255.0;
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
990 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
994 /* compute min output value */
995 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
996 if ((pts < ti1) && (pts > 0))
1002 if (verbose || is_last_report) {
1003 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1005 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1006 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1007 (double)total_size / 1024, ti1, bitrate);
1010 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1011 nb_frames_dup, nb_frames_drop);
1014 fprintf(stderr, "%s \r", buf);
1019 if (is_last_report && verbose >= 0){
1020 int64_t raw= audio_size + video_size + extra_size;
1021 fprintf(stderr, "\n");
1022 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1026 100.0*(total_size - raw)/raw
1031 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1032 static int output_packet(AVInputStream *ist, int ist_index,
1033 AVOutputStream **ost_table, int nb_ostreams,
1034 const AVPacket *pkt)
1036 AVFormatContext *os;
1037 AVOutputStream *ost;
1041 int data_size, got_picture;
1043 void *buffer_to_free;
1044 static unsigned int samples_size= 0;
1045 static short *samples= NULL;
1046 AVSubtitle subtitle, *subtitle_to_free;
1050 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1051 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1052 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1054 // assert(ist->pts == ist->next_pts);
1068 /* decode the packet if needed */
1069 data_buf = NULL; /* fail safe */
1071 subtitle_to_free = NULL;
1072 if (ist->decoding_needed) {
1073 switch(ist->st->codec->codec_type) {
1074 case CODEC_TYPE_AUDIO:{
1076 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1077 data_size= samples_size;
1078 /* XXX: could avoid copy if PCM 16 bits with same
1079 endianness as CPU */
1080 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1086 /* Some bug in mpeg audio decoder gives */
1087 /* data_size < 0, it seems they are overflows */
1088 if (data_size <= 0) {
1089 /* no audio frame */
1092 data_buf = (uint8_t *)samples;
1093 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1094 (ist->st->codec->sample_rate * ist->st->codec->channels);
1096 case CODEC_TYPE_VIDEO:
1097 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1098 /* XXX: allocate picture correctly */
1099 avcodec_get_frame_defaults(&picture);
1101 ret = avcodec_decode_video(ist->st->codec,
1102 &picture, &got_picture, ptr, len);
1103 ist->st->quality= picture.quality;
1107 /* no picture yet */
1108 goto discard_packet;
1110 if (ist->st->codec->time_base.num != 0) {
1111 ist->next_pts += ((int64_t)AV_TIME_BASE *
1112 ist->st->codec->time_base.num) /
1113 ist->st->codec->time_base.den;
1117 case CODEC_TYPE_SUBTITLE:
1118 ret = avcodec_decode_subtitle(ist->st->codec,
1119 &subtitle, &got_subtitle, ptr, len);
1122 if (!got_subtitle) {
1123 goto discard_packet;
1125 subtitle_to_free = &subtitle;
1132 switch(ist->st->codec->codec_type) {
1133 case CODEC_TYPE_AUDIO:
1134 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1135 ist->st->codec->sample_rate;
1137 case CODEC_TYPE_VIDEO:
1138 if (ist->st->codec->time_base.num != 0) {
1139 ist->next_pts += ((int64_t)AV_TIME_BASE *
1140 ist->st->codec->time_base.num) /
1141 ist->st->codec->time_base.den;
1151 buffer_to_free = NULL;
1152 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1153 pre_process_video_frame(ist, (AVPicture *)&picture,
1157 // preprocess audio (volume)
1158 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1159 if (audio_volume != 256) {
1162 for(i=0;i<(data_size / sizeof(short));i++) {
1163 int v = ((*volp) * audio_volume + 128) >> 8;
1164 if (v < -32768) v = -32768;
1165 if (v > 32767) v = 32767;
1171 /* frame rate emulation */
1172 if (ist->st->codec->rate_emu) {
1173 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1174 int64_t now = av_gettime() - ist->start;
1182 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1183 is the one of the next displayed one */
1184 /* XXX: add mpeg4 too ? */
1185 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1186 if (ist->st->codec->pict_type != B_TYPE) {
1188 tmp = ist->last_ip_pts;
1189 ist->last_ip_pts = ist->frac_pts.val;
1190 ist->frac_pts.val = tmp;
1194 /* if output time reached then transcode raw format,
1195 encode packets and output them */
1196 if (start_time == 0 || ist->pts >= start_time)
1197 for(i=0;i<nb_ostreams;i++) {
1201 if (ost->source_index == ist_index) {
1202 os = output_files[ost->file_index];
1205 printf("%d: got pts=%0.3f %0.3f\n", i,
1206 (double)pkt->pts / AV_TIME_BASE,
1207 ((double)ist->pts / AV_TIME_BASE) -
1208 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1210 /* set the input output pts pairs */
1211 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1213 if (ost->encoding_needed) {
1214 switch(ost->st->codec->codec_type) {
1215 case CODEC_TYPE_AUDIO:
1216 do_audio_out(os, ost, ist, data_buf, data_size);
1218 case CODEC_TYPE_VIDEO:
1219 do_video_out(os, ost, ist, &picture, &frame_size);
1220 video_size += frame_size;
1221 if (vstats_filename && frame_size)
1222 do_video_stats(os, ost, frame_size);
1224 case CODEC_TYPE_SUBTITLE:
1225 do_subtitle_out(os, ost, ist, &subtitle,
1232 AVFrame avframe; //FIXME/XXX remove this
1234 av_init_packet(&opkt);
1236 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1239 /* no reencoding needed : output the packet directly */
1240 /* force the input stream PTS */
1242 avcodec_get_frame_defaults(&avframe);
1243 ost->st->codec->coded_frame= &avframe;
1244 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1246 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1247 audio_size += data_size;
1248 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1249 video_size += data_size;
1253 opkt.stream_index= ost->index;
1254 if(pkt->pts != AV_NOPTS_VALUE)
1255 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1257 opkt.pts= AV_NOPTS_VALUE;
1259 if (pkt->dts == AV_NOPTS_VALUE)
1260 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1262 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1264 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1265 opkt.flags= pkt->flags;
1267 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1268 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1269 opkt.destruct= av_destruct_packet;
1271 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1272 ost->st->codec->frame_number++;
1273 ost->frame_number++;
1274 av_free_packet(&opkt);
1278 av_free(buffer_to_free);
1279 /* XXX: allocate the subtitles in the codec ? */
1280 if (subtitle_to_free) {
1281 if (subtitle_to_free->rects != NULL) {
1282 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1283 av_free(subtitle_to_free->rects[i].bitmap);
1284 av_free(subtitle_to_free->rects[i].rgba_palette);
1286 av_freep(&subtitle_to_free->rects);
1288 subtitle_to_free->num_rects = 0;
1289 subtitle_to_free = NULL;
1296 for(i=0;i<nb_ostreams;i++) {
1298 if (ost->source_index == ist_index) {
1299 AVCodecContext *enc= ost->st->codec;
1300 os = output_files[ost->file_index];
1302 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1304 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1307 if (ost->encoding_needed) {
1311 av_init_packet(&pkt);
1312 pkt.stream_index= ost->index;
1314 switch(ost->st->codec->codec_type) {
1315 case CODEC_TYPE_AUDIO:
1316 fifo_bytes = av_fifo_size(&ost->fifo);
1318 /* encode any samples remaining in fifo */
1319 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1320 int fs_tmp = enc->frame_size;
1321 enc->frame_size = fifo_bytes / (2 * enc->channels);
1322 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1323 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1325 enc->frame_size = fs_tmp;
1328 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1331 pkt.flags |= PKT_FLAG_KEY;
1333 case CODEC_TYPE_VIDEO:
1334 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1336 if(enc->coded_frame && enc->coded_frame->key_frame)
1337 pkt.flags |= PKT_FLAG_KEY;
1338 if (ost->logfile && enc->stats_out) {
1339 fprintf(ost->logfile, "%s", enc->stats_out);
1348 pkt.data= bit_buffer;
1350 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1351 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1352 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1364 static void print_sdp(AVFormatContext **avc, int n)
1368 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1369 printf("SDP:\n%s\n", sdp);
1372 static int stream_index_from_inputs(AVFormatContext **input_files,
1374 AVInputFile *file_table,
1375 AVInputStream **ist_table,
1376 enum CodecType type,
1380 for(z=0; z<nb_input_files; z++) {
1381 AVFormatContext *ic = input_files[z];
1382 for(p=0; p<ic->nb_programs; p++) {
1383 AVProgram *program = ic->programs[p];
1384 if(program->id != programid)
1386 for(q=0; q<program->nb_stream_indexes; q++) {
1387 int sidx = program->stream_index[q];
1388 int ris = file_table[z].ist_index + sidx;
1389 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1399 * The following code is the main loop of the file converter
1401 static int av_encode(AVFormatContext **output_files,
1402 int nb_output_files,
1403 AVFormatContext **input_files,
1405 AVStreamMap *stream_maps, int nb_stream_maps)
1407 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1408 AVFormatContext *is, *os;
1409 AVCodecContext *codec, *icodec;
1410 AVOutputStream *ost, **ost_table = NULL;
1411 AVInputStream *ist, **ist_table = NULL;
1412 AVInputFile *file_table;
1416 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1420 /* input stream init */
1422 for(i=0;i<nb_input_files;i++) {
1423 is = input_files[i];
1424 file_table[i].ist_index = j;
1425 file_table[i].nb_streams = is->nb_streams;
1426 j += is->nb_streams;
1430 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1434 for(i=0;i<nb_istreams;i++) {
1435 ist = av_mallocz(sizeof(AVInputStream));
1441 for(i=0;i<nb_input_files;i++) {
1442 is = input_files[i];
1443 for(k=0;k<is->nb_streams;k++) {
1444 ist = ist_table[j++];
1445 ist->st = is->streams[k];
1446 ist->file_index = i;
1448 ist->discard = 1; /* the stream is discarded by default
1451 if (ist->st->codec->rate_emu) {
1452 ist->start = av_gettime();
1458 /* output stream init */
1460 for(i=0;i<nb_output_files;i++) {
1461 os = output_files[i];
1462 if (!os->nb_streams) {
1463 fprintf(stderr, "Output file does not contain any stream\n");
1466 nb_ostreams += os->nb_streams;
1468 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1469 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1473 /* Sanity check the mapping args -- do the input files & streams exist? */
1474 for(i=0;i<nb_stream_maps;i++) {
1475 int fi = stream_maps[i].file_index;
1476 int si = stream_maps[i].stream_index;
1478 if (fi < 0 || fi > nb_input_files - 1 ||
1479 si < 0 || si > file_table[fi].nb_streams - 1) {
1480 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1483 fi = stream_maps[i].sync_file_index;
1484 si = stream_maps[i].sync_stream_index;
1485 if (fi < 0 || fi > nb_input_files - 1 ||
1486 si < 0 || si > file_table[fi].nb_streams - 1) {
1487 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1492 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1495 for(i=0;i<nb_ostreams;i++) {
1496 ost = av_mallocz(sizeof(AVOutputStream));
1503 for(k=0;k<nb_output_files;k++) {
1504 os = output_files[k];
1505 for(i=0;i<os->nb_streams;i++) {
1507 ost = ost_table[n++];
1508 ost->file_index = k;
1510 ost->st = os->streams[i];
1511 if (nb_stream_maps > 0) {
1512 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1513 stream_maps[n-1].stream_index;
1515 /* Sanity check that the stream types match */
1516 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1517 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1518 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1519 ost->file_index, ost->index);
1526 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1528 ost->source_index = j;
1532 /* get corresponding input stream index : we select the first one with the right type */
1534 for(j=0;j<nb_istreams;j++) {
1537 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1538 ost->source_index = j;
1546 if(! opt_programid) {
1547 /* try again and reuse existing stream */
1548 for(j=0;j<nb_istreams;j++) {
1550 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1551 ost->source_index = j;
1557 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1558 ost->file_index, ost->index);
1563 ist = ist_table[ost->source_index];
1565 ost->sync_ist = (nb_stream_maps > 0) ?
1566 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1567 stream_maps[n-1].sync_stream_index] : ist;
1571 /* for each output stream, we compute the right encoding parameters */
1572 for(i=0;i<nb_ostreams;i++) {
1574 os = output_files[ost->file_index];
1575 ist = ist_table[ost->source_index];
1577 codec = ost->st->codec;
1578 icodec = ist->st->codec;
1580 if (!ost->st->language[0])
1581 av_strlcpy(ost->st->language, ist->st->language,
1582 sizeof(ost->st->language));
1584 if (ost->st->stream_copy) {
1585 /* if stream_copy is selected, no need to decode or encode */
1586 codec->codec_id = icodec->codec_id;
1587 codec->codec_type = icodec->codec_type;
1589 if(!codec->codec_tag){
1590 if( !os->oformat->codec_tag
1591 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1592 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1593 codec->codec_tag = icodec->codec_tag;
1596 codec->bit_rate = icodec->bit_rate;
1597 codec->extradata= icodec->extradata;
1598 codec->extradata_size= icodec->extradata_size;
1599 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1600 codec->time_base = icodec->time_base;
1602 codec->time_base = ist->st->time_base;
1603 switch(codec->codec_type) {
1604 case CODEC_TYPE_AUDIO:
1605 codec->sample_rate = icodec->sample_rate;
1606 codec->channels = icodec->channels;
1607 codec->frame_size = icodec->frame_size;
1608 codec->block_align= icodec->block_align;
1609 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1610 codec->block_align= 0;
1612 case CODEC_TYPE_VIDEO:
1614 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1617 codec->pix_fmt = icodec->pix_fmt;
1618 codec->width = icodec->width;
1619 codec->height = icodec->height;
1620 codec->has_b_frames = icodec->has_b_frames;
1622 case CODEC_TYPE_SUBTITLE:
1628 switch(codec->codec_type) {
1629 case CODEC_TYPE_AUDIO:
1630 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1632 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1633 icodec->request_channels = codec->channels;
1634 ist->decoding_needed = 1;
1635 ost->encoding_needed = 1;
1637 case CODEC_TYPE_VIDEO:
1638 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1639 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1640 ost->video_resample = ((codec->width != icodec->width -
1641 (frame_leftBand + frame_rightBand) +
1642 (frame_padleft + frame_padright)) ||
1643 (codec->height != icodec->height -
1644 (frame_topBand + frame_bottomBand) +
1645 (frame_padtop + frame_padbottom)) ||
1646 (codec->pix_fmt != icodec->pix_fmt));
1647 if (ost->video_crop) {
1648 ost->topBand = frame_topBand;
1649 ost->leftBand = frame_leftBand;
1651 if (ost->video_pad) {
1652 ost->padtop = frame_padtop;
1653 ost->padleft = frame_padleft;
1654 ost->padbottom = frame_padbottom;
1655 ost->padright = frame_padright;
1656 if (!ost->video_resample) {
1657 avcodec_get_frame_defaults(&ost->pict_tmp);
1658 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1659 codec->width, codec->height ) )
1663 if (ost->video_resample) {
1664 avcodec_get_frame_defaults(&ost->pict_tmp);
1665 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1666 codec->width, codec->height ) ) {
1667 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1670 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1671 ost->img_resample_ctx = sws_getContext(
1672 icodec->width - (frame_leftBand + frame_rightBand),
1673 icodec->height - (frame_topBand + frame_bottomBand),
1675 codec->width - (frame_padleft + frame_padright),
1676 codec->height - (frame_padtop + frame_padbottom),
1678 sws_flags, NULL, NULL, NULL);
1679 if (ost->img_resample_ctx == NULL) {
1680 fprintf(stderr, "Cannot get resampling context\n");
1683 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1685 ost->encoding_needed = 1;
1686 ist->decoding_needed = 1;
1688 case CODEC_TYPE_SUBTITLE:
1689 ost->encoding_needed = 1;
1690 ist->decoding_needed = 1;
1697 if (ost->encoding_needed &&
1698 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1699 char logfilename[1024];
1704 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1706 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1707 if (codec->flags & CODEC_FLAG_PASS1) {
1708 f = fopen(logfilename, "w");
1710 perror(logfilename);
1715 /* read the log file */
1716 f = fopen(logfilename, "r");
1718 perror(logfilename);
1721 fseek(f, 0, SEEK_END);
1723 fseek(f, 0, SEEK_SET);
1724 logbuffer = av_malloc(size + 1);
1726 fprintf(stderr, "Could not allocate log buffer\n");
1729 size = fread(logbuffer, 1, size, f);
1731 logbuffer[size] = '\0';
1732 codec->stats_in = logbuffer;
1736 if(codec->codec_type == CODEC_TYPE_VIDEO){
1737 int size= codec->width * codec->height;
1738 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1743 bit_buffer = av_malloc(bit_buffer_size);
1747 /* dump the file output parameters - cannot be done before in case
1749 for(i=0;i<nb_output_files;i++) {
1750 dump_format(output_files[i], i, output_files[i]->filename, 1);
1753 /* dump the stream mapping */
1755 fprintf(stderr, "Stream mapping:\n");
1756 for(i=0;i<nb_ostreams;i++) {
1758 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1759 ist_table[ost->source_index]->file_index,
1760 ist_table[ost->source_index]->index,
1763 if (ost->sync_ist != ist_table[ost->source_index])
1764 fprintf(stderr, " [sync #%d.%d]",
1765 ost->sync_ist->file_index,
1766 ost->sync_ist->index);
1767 fprintf(stderr, "\n");
1771 /* open each encoder */
1772 for(i=0;i<nb_ostreams;i++) {
1774 if (ost->encoding_needed) {
1776 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1778 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1779 ost->file_index, ost->index);
1782 if (avcodec_open(ost->st->codec, codec) < 0) {
1783 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1784 ost->file_index, ost->index);
1787 extra_size += ost->st->codec->extradata_size;
1791 /* open each decoder */
1792 for(i=0;i<nb_istreams;i++) {
1794 if (ist->decoding_needed) {
1796 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1798 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1799 ist->st->codec->codec_id, ist->file_index, ist->index);
1802 if (avcodec_open(ist->st->codec, codec) < 0) {
1803 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1804 ist->file_index, ist->index);
1807 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1808 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1813 for(i=0;i<nb_istreams;i++) {
1815 is = input_files[ist->file_index];
1818 if( input_files_ts_offset[ist->file_index] != -is->start_time
1819 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1820 ist->next_pts= AV_NOPTS_VALUE;
1824 /* set meta data information from input file if required */
1825 for (i=0;i<nb_meta_data_maps;i++) {
1826 AVFormatContext *out_file;
1827 AVFormatContext *in_file;
1829 int out_file_index = meta_data_maps[i].out_file;
1830 int in_file_index = meta_data_maps[i].in_file;
1831 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1832 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1833 ret = AVERROR(EINVAL);
1836 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1837 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1838 ret = AVERROR(EINVAL);
1842 out_file = output_files[out_file_index];
1843 in_file = input_files[in_file_index];
1845 strcpy(out_file->title, in_file->title);
1846 strcpy(out_file->author, in_file->author);
1847 strcpy(out_file->copyright, in_file->copyright);
1848 strcpy(out_file->comment, in_file->comment);
1849 strcpy(out_file->album, in_file->album);
1850 out_file->year = in_file->year;
1851 out_file->track = in_file->track;
1852 strcpy(out_file->genre, in_file->genre);
1855 /* open files and write file headers */
1856 for(i=0;i<nb_output_files;i++) {
1857 os = output_files[i];
1858 if (av_write_header(os) < 0) {
1859 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1860 ret = AVERROR(EINVAL);
1863 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1868 print_sdp(output_files, nb_output_files);
1871 if ( !using_stdin && verbose >= 0) {
1872 fprintf(stderr, "Press [q] to stop encoding\n");
1873 url_set_interrupt_cb(decode_interrupt_cb);
1878 timer_start = av_gettime();
1880 for(; received_sigterm == 0;) {
1881 int file_index, ist_index;
1889 /* if 'q' pressed, exits */
1893 /* read_key() returns 0 on EOF */
1899 /* select the stream that we must read now by looking at the
1900 smallest output pts */
1902 for(i=0;i<nb_ostreams;i++) {
1905 os = output_files[ost->file_index];
1906 ist = ist_table[ost->source_index];
1907 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1908 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1910 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1911 ipts = (double)ist->pts;
1912 if (!file_table[ist->file_index].eof_reached){
1913 if(ipts < ipts_min) {
1915 if(input_sync ) file_index = ist->file_index;
1917 if(opts < opts_min) {
1919 if(!input_sync) file_index = ist->file_index;
1922 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1927 /* if none, if is finished */
1928 if (file_index < 0) {
1932 /* finish if recording time exhausted */
1933 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1936 /* finish if limit size exhausted */
1937 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1940 /* read a frame from it and output it in the fifo */
1941 is = input_files[file_index];
1942 if (av_read_frame(is, &pkt) < 0) {
1943 file_table[file_index].eof_reached = 1;
1951 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1953 /* the following test is needed in case new streams appear
1954 dynamically in stream : we ignore them */
1955 if (pkt.stream_index >= file_table[file_index].nb_streams)
1956 goto discard_packet;
1957 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1958 ist = ist_table[ist_index];
1960 goto discard_packet;
1962 if (pkt.dts != AV_NOPTS_VALUE)
1963 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1964 if (pkt.pts != AV_NOPTS_VALUE)
1965 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1967 // 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);
1968 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1969 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1970 int64_t delta= pkt_dts - ist->next_pts;
1971 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1972 input_files_ts_offset[ist->file_index]-= delta;
1974 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1975 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1976 if(pkt.pts != AV_NOPTS_VALUE)
1977 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1981 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1982 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1985 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1986 ist->file_index, ist->index);
1988 av_free_packet(&pkt);
1993 av_free_packet(&pkt);
1995 /* dump report by using the output first video and audio streams */
1996 print_report(output_files, ost_table, nb_ostreams, 0);
1999 /* at the end of stream, we must flush the decoder buffers */
2000 for(i=0;i<nb_istreams;i++) {
2002 if (ist->decoding_needed) {
2003 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2009 /* write the trailer if needed and close file */
2010 for(i=0;i<nb_output_files;i++) {
2011 os = output_files[i];
2012 av_write_trailer(os);
2015 /* dump report by using the first video and audio streams */
2016 print_report(output_files, ost_table, nb_ostreams, 1);
2018 /* close each encoder */
2019 for(i=0;i<nb_ostreams;i++) {
2021 if (ost->encoding_needed) {
2022 av_freep(&ost->st->codec->stats_in);
2023 avcodec_close(ost->st->codec);
2027 /* close each decoder */
2028 for(i=0;i<nb_istreams;i++) {
2030 if (ist->decoding_needed) {
2031 avcodec_close(ist->st->codec);
2039 av_freep(&bit_buffer);
2040 av_free(file_table);
2043 for(i=0;i<nb_istreams;i++) {
2050 for(i=0;i<nb_ostreams;i++) {
2054 fclose(ost->logfile);
2055 ost->logfile = NULL;
2057 av_fifo_free(&ost->fifo); /* works even if fifo is not
2058 initialized but set to zero */
2059 av_free(ost->pict_tmp.data[0]);
2060 if (ost->video_resample)
2061 sws_freeContext(ost->img_resample_ctx);
2062 if (ost->audio_resample)
2063 audio_resample_close(ost->resample);
2071 ret = AVERROR(ENOMEM);
2076 int file_read(const char *filename)
2079 unsigned char buffer[1024];
2082 if (url_open(&h, filename, O_RDONLY) < 0) {
2083 printf("could not open '%s'\n", filename);
2087 len = url_read(h, buffer, sizeof(buffer));
2090 for(i=0;i<len;i++) putchar(buffer[i]);
2097 static void opt_format(const char *arg)
2099 /* compatibility stuff for pgmyuv */
2100 if (!strcmp(arg, "pgmyuv")) {
2101 pgmyuv_compatibility_hack=1;
2102 // opt_image_format(arg);
2104 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2107 file_iformat = av_find_input_format(arg);
2108 file_oformat = guess_format(arg, NULL, NULL);
2109 if (!file_iformat && !file_oformat) {
2110 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2115 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2116 extern int ffm_nopts;
2119 static int opt_default(const char *opt, const char *arg){
2121 const AVOption *o= NULL;
2122 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2124 for(type=0; type<CODEC_TYPE_NB; type++){
2125 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2127 o = av_set_string(avctx_opts[type], opt, arg);
2130 o = av_set_string(avformat_opts, opt, arg);
2132 o = av_set_string(sws_opts, opt, arg);
2135 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2136 else if(opt[0] == 'v')
2137 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2138 else if(opt[0] == 's')
2139 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2144 // 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));
2146 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2147 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2148 opt_names[opt_name_count++]= o->name;
2150 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2151 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2152 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2156 if(avctx_opts[0]->debug)
2157 av_log_set_level(AV_LOG_DEBUG);
2161 static void opt_video_rc_override_string(char *arg)
2163 video_rc_override_string = arg;
2166 static void opt_me_threshold(const char *arg)
2168 me_threshold = atoi(arg);
2171 static void opt_verbose(const char *arg)
2173 verbose = atoi(arg);
2174 av_log_set_level(atoi(arg));
2177 static void opt_frame_rate(const char *arg)
2179 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2180 fprintf(stderr, "Incorrect frame rate\n");
2185 static void opt_bitrate(const char *opt, const char *arg)
2187 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2189 opt_default(opt, arg);
2191 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2192 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2195 static void opt_frame_crop_top(const char *arg)
2197 frame_topBand = atoi(arg);
2198 if (frame_topBand < 0) {
2199 fprintf(stderr, "Incorrect top crop size\n");
2202 if ((frame_topBand % 2) != 0) {
2203 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2206 if ((frame_topBand) >= frame_height){
2207 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2210 frame_height -= frame_topBand;
2213 static void opt_frame_crop_bottom(const char *arg)
2215 frame_bottomBand = atoi(arg);
2216 if (frame_bottomBand < 0) {
2217 fprintf(stderr, "Incorrect bottom crop size\n");
2220 if ((frame_bottomBand % 2) != 0) {
2221 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2224 if ((frame_bottomBand) >= frame_height){
2225 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2228 frame_height -= frame_bottomBand;
2231 static void opt_frame_crop_left(const char *arg)
2233 frame_leftBand = atoi(arg);
2234 if (frame_leftBand < 0) {
2235 fprintf(stderr, "Incorrect left crop size\n");
2238 if ((frame_leftBand % 2) != 0) {
2239 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2242 if ((frame_leftBand) >= frame_width){
2243 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2246 frame_width -= frame_leftBand;
2249 static void opt_frame_crop_right(const char *arg)
2251 frame_rightBand = atoi(arg);
2252 if (frame_rightBand < 0) {
2253 fprintf(stderr, "Incorrect right crop size\n");
2256 if ((frame_rightBand % 2) != 0) {
2257 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2260 if ((frame_rightBand) >= frame_width){
2261 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2264 frame_width -= frame_rightBand;
2267 static void opt_frame_size(const char *arg)
2269 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2270 fprintf(stderr, "Incorrect frame size\n");
2273 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2274 fprintf(stderr, "Frame size must be a multiple of 2\n");
2280 #define SCALEBITS 10
2281 #define ONE_HALF (1 << (SCALEBITS - 1))
2282 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2284 #define RGB_TO_Y(r, g, b) \
2285 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2286 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2288 #define RGB_TO_U(r1, g1, b1, shift)\
2289 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2290 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2292 #define RGB_TO_V(r1, g1, b1, shift)\
2293 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2294 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2296 static void opt_pad_color(const char *arg) {
2297 /* Input is expected to be six hex digits similar to
2298 how colors are expressed in html tags (but without the #) */
2299 int rgb = strtol(arg, NULL, 16);
2303 g = ((rgb >> 8) & 255);
2306 padcolor[0] = RGB_TO_Y(r,g,b);
2307 padcolor[1] = RGB_TO_U(r,g,b,0);
2308 padcolor[2] = RGB_TO_V(r,g,b,0);
2311 static void opt_frame_pad_top(const char *arg)
2313 frame_padtop = atoi(arg);
2314 if (frame_padtop < 0) {
2315 fprintf(stderr, "Incorrect top pad size\n");
2318 if ((frame_padtop % 2) != 0) {
2319 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2324 static void opt_frame_pad_bottom(const char *arg)
2326 frame_padbottom = atoi(arg);
2327 if (frame_padbottom < 0) {
2328 fprintf(stderr, "Incorrect bottom pad size\n");
2331 if ((frame_padbottom % 2) != 0) {
2332 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2338 static void opt_frame_pad_left(const char *arg)
2340 frame_padleft = atoi(arg);
2341 if (frame_padleft < 0) {
2342 fprintf(stderr, "Incorrect left pad size\n");
2345 if ((frame_padleft % 2) != 0) {
2346 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2352 static void opt_frame_pad_right(const char *arg)
2354 frame_padright = atoi(arg);
2355 if (frame_padright < 0) {
2356 fprintf(stderr, "Incorrect right pad size\n");
2359 if ((frame_padright % 2) != 0) {
2360 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2365 void list_pix_fmts(void)
2368 char pix_fmt_str[128];
2369 for (i=-1; i < PIX_FMT_NB; i++) {
2370 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2371 fprintf(stdout, "%s\n", pix_fmt_str);
2375 static void opt_frame_pix_fmt(const char *arg)
2377 if (strcmp(arg, "list"))
2378 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2385 static void opt_frame_aspect_ratio(const char *arg)
2391 p = strchr(arg, ':');
2393 x = strtol(arg, (char **)&arg, 10);
2395 y = strtol(arg+1, (char **)&arg, 10);
2397 ar = (double)x / (double)y;
2399 ar = strtod(arg, (char **)&arg);
2402 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2405 frame_aspect_ratio = ar;
2408 static void opt_qscale(const char *arg)
2410 video_qscale = atof(arg);
2411 if (video_qscale <= 0 ||
2412 video_qscale > 255) {
2413 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2418 static void opt_qdiff(const char *arg)
2420 video_qdiff = atoi(arg);
2421 if (video_qdiff < 0 ||
2423 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2428 static void opt_strict(const char *arg)
2433 static void opt_top_field_first(const char *arg)
2435 top_field_first= atoi(arg);
2438 static void opt_thread_count(const char *arg)
2440 thread_count= atoi(arg);
2441 #if !defined(HAVE_THREADS)
2443 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2447 static void opt_audio_rate(const char *arg)
2449 audio_sample_rate = atoi(arg);
2452 static void opt_audio_channels(const char *arg)
2454 audio_channels = atoi(arg);
2457 static void opt_video_channel(const char *arg)
2459 video_channel = strtol(arg, NULL, 0);
2462 static void opt_video_standard(const char *arg)
2464 video_standard = av_strdup(arg);
2467 static void opt_codec(int *pstream_copy, char **pcodec_name,
2468 int codec_type, const char *arg)
2470 av_freep(pcodec_name);
2471 if (!strcmp(arg, "copy")) {
2474 *pcodec_name = av_strdup(arg);
2478 static void opt_audio_codec(const char *arg)
2480 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2483 static void opt_audio_tag(const char *arg)
2486 audio_codec_tag= strtol(arg, &tail, 0);
2489 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2492 static void opt_video_tag(const char *arg)
2495 video_codec_tag= strtol(arg, &tail, 0);
2498 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2502 static void add_frame_hooker(const char *arg)
2507 char *args = av_strdup(arg);
2511 argv[0] = strtok(args, " ");
2512 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2515 i = frame_hook_add(argc, argv);
2518 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2524 static void opt_video_codec(const char *arg)
2526 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2529 static void opt_subtitle_codec(const char *arg)
2531 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2534 static void opt_map(const char *arg)
2540 m = &stream_maps[nb_stream_maps++];
2542 m->file_index = strtol(arg, (char **)&p, 0);
2546 m->stream_index = strtol(p, (char **)&p, 0);
2549 m->sync_file_index = strtol(p, (char **)&p, 0);
2552 m->sync_stream_index = strtol(p, (char **)&p, 0);
2554 m->sync_file_index = m->file_index;
2555 m->sync_stream_index = m->stream_index;
2559 static void opt_map_meta_data(const char *arg)
2565 m = &meta_data_maps[nb_meta_data_maps++];
2567 m->out_file = strtol(arg, (char **)&p, 0);
2571 m->in_file = strtol(p, (char **)&p, 0);
2574 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2576 int64_t us = parse_date(timestr, is_duration);
2577 if (us == INT64_MIN) {
2578 fprintf(stderr, "Invalid %s specification: %s\n",
2579 is_duration ? "duration" : "date", timestr);
2585 static void opt_recording_time(const char *arg)
2587 recording_time = parse_time_or_die(arg, 1);
2590 static void opt_start_time(const char *arg)
2592 start_time = parse_time_or_die(arg, 1);
2595 static void opt_rec_timestamp(const char *arg)
2597 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2600 static void opt_input_ts_offset(const char *arg)
2602 input_ts_offset = parse_time_or_die(arg, 1);
2605 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2607 char *codec_string = encoder ? "encoder" : "decoder";
2611 return CODEC_ID_NONE;
2613 avcodec_find_encoder_by_name(name) :
2614 avcodec_find_decoder_by_name(name);
2616 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2619 if(codec->type != type) {
2620 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2626 static void opt_input_file(const char *filename)
2628 AVFormatContext *ic;
2629 AVFormatParameters params, *ap = ¶ms;
2630 int err, i, ret, rfps, rfps_base;
2633 if (!strcmp(filename, "-"))
2636 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2637 !strcmp( filename, "/dev/stdin" );
2639 /* get default parameters from command line */
2640 ic = av_alloc_format_context();
2642 memset(ap, 0, sizeof(*ap));
2643 ap->prealloced_context = 1;
2644 ap->sample_rate = audio_sample_rate;
2645 ap->channels = audio_channels;
2646 ap->time_base.den = frame_rate.num;
2647 ap->time_base.num = frame_rate.den;
2648 ap->width = frame_width + frame_padleft + frame_padright;
2649 ap->height = frame_height + frame_padtop + frame_padbottom;
2650 ap->pix_fmt = frame_pix_fmt;
2651 ap->channel = video_channel;
2652 ap->standard = video_standard;
2653 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2654 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2655 if(pgmyuv_compatibility_hack)
2656 ap->video_codec_id= CODEC_ID_PGMYUV;
2658 for(i=0; i<opt_name_count; i++){
2660 const AVOption *opt;
2661 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2662 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2663 av_set_string(ic, opt_names[i], str);
2666 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2667 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2668 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2670 /* open the input file with generic libav function */
2671 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2673 print_error(filename, err);
2678 for(i=0; i<ic->nb_programs; i++)
2679 if(ic->programs[i]->id != opt_programid)
2680 ic->programs[i]->discard = AVDISCARD_ALL;
2683 ic->loop_input = loop_input;
2685 /* If not enough info to get the stream parameters, we decode the
2686 first frames to get it. (used in mpeg case for example) */
2687 ret = av_find_stream_info(ic);
2688 if (ret < 0 && verbose >= 0) {
2689 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2693 timestamp = start_time;
2694 /* add the stream start time */
2695 if (ic->start_time != AV_NOPTS_VALUE)
2696 timestamp += ic->start_time;
2698 /* if seeking requested, we execute it */
2699 if (start_time != 0) {
2700 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2702 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2703 filename, (double)timestamp / AV_TIME_BASE);
2705 /* reset seek info */
2709 /* update the current parameters so that they match the one of the input stream */
2710 for(i=0;i<ic->nb_streams;i++) {
2712 AVCodecContext *enc = ic->streams[i]->codec;
2714 avcodec_thread_init(enc, thread_count);
2715 enc->thread_count= thread_count;
2716 switch(enc->codec_type) {
2717 case CODEC_TYPE_AUDIO:
2718 for(j=0; j<opt_name_count; j++){
2720 const AVOption *opt;
2721 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2722 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2723 av_set_string(enc, opt_names[j], str);
2725 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2726 audio_channels = enc->channels;
2727 audio_sample_rate = enc->sample_rate;
2729 ic->streams[i]->discard= AVDISCARD_ALL;
2731 case CODEC_TYPE_VIDEO:
2732 for(j=0; j<opt_name_count; j++){
2734 const AVOption *opt;
2735 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2736 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2737 av_set_string(enc, opt_names[j], str);
2739 frame_height = enc->height;
2740 frame_width = enc->width;
2741 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2742 frame_pix_fmt = enc->pix_fmt;
2743 rfps = ic->streams[i]->r_frame_rate.num;
2744 rfps_base = ic->streams[i]->r_frame_rate.den;
2745 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2747 enc->debug |= FF_DEBUG_MV;
2749 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2752 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2753 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2755 (float)rfps / rfps_base, rfps, rfps_base);
2757 /* update the current frame rate to match the stream frame rate */
2758 frame_rate.num = rfps;
2759 frame_rate.den = rfps_base;
2761 enc->rate_emu = rate_emu;
2763 ic->streams[i]->discard= AVDISCARD_ALL;
2764 else if(video_discard)
2765 ic->streams[i]->discard= video_discard;
2767 case CODEC_TYPE_DATA:
2769 case CODEC_TYPE_SUBTITLE:
2770 if(subtitle_disable)
2771 ic->streams[i]->discard = AVDISCARD_ALL;
2773 case CODEC_TYPE_UNKNOWN:
2780 input_files[nb_input_files] = ic;
2781 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2782 /* dump the file content */
2784 dump_format(ic, nb_input_files, filename, 0);
2787 file_iformat = NULL;
2788 file_oformat = NULL;
2793 av_freep(&video_codec_name);
2794 av_freep(&audio_codec_name);
2795 av_freep(&subtitle_codec_name);
2798 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2799 int *has_subtitle_ptr)
2801 int has_video, has_audio, has_subtitle, i, j;
2802 AVFormatContext *ic;
2807 for(j=0;j<nb_input_files;j++) {
2808 ic = input_files[j];
2809 for(i=0;i<ic->nb_streams;i++) {
2810 AVCodecContext *enc = ic->streams[i]->codec;
2811 switch(enc->codec_type) {
2812 case CODEC_TYPE_AUDIO:
2815 case CODEC_TYPE_VIDEO:
2818 case CODEC_TYPE_SUBTITLE:
2821 case CODEC_TYPE_DATA:
2822 case CODEC_TYPE_UNKNOWN:
2829 *has_video_ptr = has_video;
2830 *has_audio_ptr = has_audio;
2831 *has_subtitle_ptr = has_subtitle;
2834 static void new_video_stream(AVFormatContext *oc)
2837 AVCodecContext *video_enc;
2840 st = av_new_stream(oc, oc->nb_streams);
2842 fprintf(stderr, "Could not alloc stream\n");
2845 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2846 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2847 video_bitstream_filters= NULL;
2850 avcodec_thread_init(st->codec, thread_count);
2852 video_enc = st->codec;
2855 video_enc->codec_tag= video_codec_tag;
2857 if( (video_global_header&1)
2858 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2859 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2860 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2862 if(video_global_header&2){
2863 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2864 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2867 if (video_stream_copy) {
2868 st->stream_copy = 1;
2869 video_enc->codec_type = CODEC_TYPE_VIDEO;
2875 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2876 if (video_codec_name)
2877 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2879 video_enc->codec_id = codec_id;
2880 codec = avcodec_find_encoder(codec_id);
2882 for(i=0; i<opt_name_count; i++){
2884 const AVOption *opt;
2885 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2886 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2887 av_set_string(video_enc, opt_names[i], str);
2890 video_enc->time_base.den = frame_rate.num;
2891 video_enc->time_base.num = frame_rate.den;
2892 if(codec && codec->supported_framerates){
2893 const AVRational *p= codec->supported_framerates;
2894 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2895 const AVRational *best=NULL;
2896 AVRational best_error= (AVRational){INT_MAX, 1};
2897 for(; p->den!=0; p++){
2898 AVRational error= av_sub_q(req, *p);
2899 if(error.num <0) error.num *= -1;
2900 if(av_cmp_q(error, best_error) < 0){
2905 video_enc->time_base.den= best->num;
2906 video_enc->time_base.num= best->den;
2909 video_enc->width = frame_width + frame_padright + frame_padleft;
2910 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2911 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2912 video_enc->pix_fmt = frame_pix_fmt;
2914 if(codec && codec->pix_fmts){
2915 const enum PixelFormat *p= codec->pix_fmts;
2917 if(*p == video_enc->pix_fmt)
2921 video_enc->pix_fmt = codec->pix_fmts[0];
2925 video_enc->gop_size = 0;
2926 if (video_qscale || same_quality) {
2927 video_enc->flags |= CODEC_FLAG_QSCALE;
2928 video_enc->global_quality=
2929 st->quality = FF_QP2LAMBDA * video_qscale;
2933 video_enc->intra_matrix = intra_matrix;
2935 video_enc->inter_matrix = inter_matrix;
2937 video_enc->max_qdiff = video_qdiff;
2938 video_enc->thread_count = thread_count;
2939 p= video_rc_override_string;
2942 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2944 fprintf(stderr, "error parsing rc_override\n");
2947 video_enc->rc_override=
2948 av_realloc(video_enc->rc_override,
2949 sizeof(RcOverride)*(i+1));
2950 video_enc->rc_override[i].start_frame= start;
2951 video_enc->rc_override[i].end_frame = end;
2953 video_enc->rc_override[i].qscale= q;
2954 video_enc->rc_override[i].quality_factor= 1.0;
2957 video_enc->rc_override[i].qscale= 0;
2958 video_enc->rc_override[i].quality_factor= -q/100.0;
2963 video_enc->rc_override_count=i;
2964 if (!video_enc->rc_initial_buffer_occupancy)
2965 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2966 video_enc->me_threshold= me_threshold;
2967 video_enc->intra_dc_precision= intra_dc_precision - 8;
2968 video_enc->strict_std_compliance = strict;
2971 video_enc->flags|= CODEC_FLAG_PSNR;
2976 video_enc->flags |= CODEC_FLAG_PASS1;
2978 video_enc->flags |= CODEC_FLAG_PASS2;
2983 /* reset some key parameters */
2985 av_freep(&video_codec_name);
2986 video_stream_copy = 0;
2989 static void new_audio_stream(AVFormatContext *oc)
2992 AVCodecContext *audio_enc;
2995 st = av_new_stream(oc, oc->nb_streams);
2997 fprintf(stderr, "Could not alloc stream\n");
3000 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3002 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3003 audio_bitstream_filters= NULL;
3006 avcodec_thread_init(st->codec, thread_count);
3008 audio_enc = st->codec;
3009 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3010 audio_enc->strict_std_compliance = strict;
3013 audio_enc->codec_tag= audio_codec_tag;
3015 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3016 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3017 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3019 if (audio_stream_copy) {
3020 st->stream_copy = 1;
3021 audio_enc->channels = audio_channels;
3023 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3025 for(i=0; i<opt_name_count; i++){
3027 const AVOption *opt;
3028 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3029 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3030 av_set_string(audio_enc, opt_names[i], str);
3033 if (audio_codec_name)
3034 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3035 audio_enc->codec_id = codec_id;
3037 if (audio_qscale > QSCALE_NONE) {
3038 audio_enc->flags |= CODEC_FLAG_QSCALE;
3039 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3041 audio_enc->thread_count = thread_count;
3042 audio_enc->channels = audio_channels;
3044 audio_enc->sample_rate = audio_sample_rate;
3045 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3046 if (audio_language) {
3047 av_strlcpy(st->language, audio_language, sizeof(st->language));
3048 av_free(audio_language);
3049 audio_language = NULL;
3052 /* reset some key parameters */
3054 av_freep(&audio_codec_name);
3055 audio_stream_copy = 0;
3058 static void new_subtitle_stream(AVFormatContext *oc)
3061 AVCodecContext *subtitle_enc;
3064 st = av_new_stream(oc, oc->nb_streams);
3066 fprintf(stderr, "Could not alloc stream\n");
3069 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3071 subtitle_enc = st->codec;
3072 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3073 if (subtitle_stream_copy) {
3074 st->stream_copy = 1;
3076 for(i=0; i<opt_name_count; i++){
3078 const AVOption *opt;
3079 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3080 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3081 av_set_string(subtitle_enc, opt_names[i], str);
3083 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3086 if (subtitle_language) {
3087 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3088 av_free(subtitle_language);
3089 subtitle_language = NULL;
3092 subtitle_disable = 0;
3093 av_freep(&subtitle_codec_name);
3094 subtitle_stream_copy = 0;
3097 static void opt_new_audio_stream(void)
3099 AVFormatContext *oc;
3100 if (nb_output_files <= 0) {
3101 fprintf(stderr, "At least one output file must be specified\n");
3104 oc = output_files[nb_output_files - 1];
3105 new_audio_stream(oc);
3108 static void opt_new_video_stream(void)
3110 AVFormatContext *oc;
3111 if (nb_output_files <= 0) {
3112 fprintf(stderr, "At least one output file must be specified\n");
3115 oc = output_files[nb_output_files - 1];
3116 new_video_stream(oc);
3119 static void opt_new_subtitle_stream(void)
3121 AVFormatContext *oc;
3122 if (nb_output_files <= 0) {
3123 fprintf(stderr, "At least one output file must be specified\n");
3126 oc = output_files[nb_output_files - 1];
3127 new_subtitle_stream(oc);
3130 static void opt_output_file(const char *filename)
3132 AVFormatContext *oc;
3133 int use_video, use_audio, use_subtitle;
3134 int input_has_video, input_has_audio, input_has_subtitle, i;
3135 AVFormatParameters params, *ap = ¶ms;
3137 if (!strcmp(filename, "-"))
3140 oc = av_alloc_format_context();
3142 if (!file_oformat) {
3143 file_oformat = guess_format(NULL, filename, NULL);
3144 if (!file_oformat) {
3145 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3151 oc->oformat = file_oformat;
3152 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3154 if (!strcmp(file_oformat->name, "ffm") &&
3155 av_strstart(filename, "http:", NULL)) {
3156 /* special case for files sent to ffserver: we get the stream
3157 parameters from ffserver */
3158 if (read_ffserver_streams(oc, filename) < 0) {
3159 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3163 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3164 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3165 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3167 /* disable if no corresponding type found and at least one
3169 if (nb_input_files > 0) {
3170 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3171 &input_has_subtitle);
3172 if (!input_has_video)
3174 if (!input_has_audio)
3176 if (!input_has_subtitle)
3180 /* manual disable */
3181 if (audio_disable) {
3184 if (video_disable) {
3187 if (subtitle_disable) {
3192 new_video_stream(oc);
3196 new_audio_stream(oc);
3200 new_subtitle_stream(oc);
3203 oc->timestamp = rec_timestamp;
3206 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3208 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3210 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3212 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3214 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3217 output_files[nb_output_files++] = oc;
3219 /* check filename in case of an image number is expected */
3220 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3221 if (!av_filename_number_test(oc->filename)) {
3222 print_error(oc->filename, AVERROR_NUMEXPECTED);
3227 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3228 /* test if it already exists to avoid loosing precious files */
3229 if (!file_overwrite &&
3230 (strchr(filename, ':') == NULL ||
3231 filename[1] == ':' ||
3232 av_strstart(filename, "file:", NULL))) {
3233 if (url_exist(filename)) {
3236 if ( !using_stdin ) {
3237 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3240 if (toupper(c) != 'Y') {
3241 fprintf(stderr, "Not overwriting - exiting\n");
3246 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3253 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3254 fprintf(stderr, "Could not open '%s'\n", filename);
3259 memset(ap, 0, sizeof(*ap));
3260 if (av_set_parameters(oc, ap) < 0) {
3261 fprintf(stderr, "%s: Invalid encoding parameters\n",
3266 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3267 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3268 oc->loop_output = loop_output;
3270 for(i=0; i<opt_name_count; i++){
3272 const AVOption *opt;
3273 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3274 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3275 av_set_string(oc, opt_names[i], str);
3278 /* reset some options */
3279 file_oformat = NULL;
3280 file_iformat = NULL;
3283 /* same option as mencoder */
3284 static void opt_pass(const char *pass_str)
3287 pass = atoi(pass_str);
3288 if (pass != 1 && pass != 2) {
3289 fprintf(stderr, "pass number can be only 1 or 2\n");
3295 static int64_t getutime(void)
3297 #ifdef HAVE_GETRUSAGE
3298 struct rusage rusage;
3300 getrusage(RUSAGE_SELF, &rusage);
3301 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3302 #elif defined(HAVE_GETPROCESSTIMES)
3304 FILETIME c, e, k, u;
3305 proc = GetCurrentProcess();
3306 GetProcessTimes(proc, &c, &e, &k, &u);
3307 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3309 return av_gettime();
3313 static void opt_show_formats(void)
3315 AVInputFormat *ifmt=NULL;
3316 AVOutputFormat *ofmt=NULL;
3317 URLProtocol *up=NULL;
3318 AVCodec *p=NULL, *p2;
3319 AVBitStreamFilter *bsf=NULL;
3320 const char *last_name;
3322 printf("File formats:\n");
3327 const char *name=NULL;
3328 const char *long_name=NULL;
3330 while((ofmt= av_oformat_next(ofmt))) {
3331 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3332 strcmp(ofmt->name, last_name)>0){
3334 long_name= ofmt->long_name;
3338 while((ifmt= av_iformat_next(ifmt))) {
3339 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3340 strcmp(ifmt->name, last_name)>0){
3342 long_name= ifmt->long_name;
3345 if(name && strcmp(ifmt->name, name)==0)
3357 long_name ? long_name:" ");
3361 printf("Codecs:\n");
3367 const char *type_str;
3370 while((p= av_codec_next(p))) {
3371 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3372 strcmp(p->name, last_name)>0){
3374 decode= encode= cap=0;
3376 if(p2 && strcmp(p->name, p2->name)==0){
3377 if(p->decode) decode=1;
3378 if(p->encode) encode=1;
3379 cap |= p->capabilities;
3384 last_name= p2->name;
3387 case CODEC_TYPE_VIDEO:
3390 case CODEC_TYPE_AUDIO:
3393 case CODEC_TYPE_SUBTITLE:
3402 decode ? "D": (/*p2->decoder ? "d":*/" "),
3405 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3406 cap & CODEC_CAP_DR1 ? "D":" ",
3407 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3409 /* if(p2->decoder && decode==0)
3410 printf(" use %s for decoding", p2->decoder->name);*/
3415 printf("Bitstream filters:\n");
3416 while((bsf = av_bitstream_filter_next(bsf)))
3417 printf(" %s", bsf->name);
3420 printf("Supported file protocols:\n");
3421 while((up = av_protocol_next(up)))
3422 printf(" %s:", up->name);
3425 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3428 "Note, the names of encoders and decoders do not always match, so there are\n"
3429 "several cases where the above table shows encoder only or decoder only entries\n"
3430 "even though both encoding and decoding are supported. For example, the h263\n"
3431 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3436 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3439 const char *p = str;
3446 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3453 static void opt_inter_matrix(const char *arg)
3455 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3456 parse_matrix_coeffs(inter_matrix, arg);
3459 static void opt_intra_matrix(const char *arg)
3461 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3462 parse_matrix_coeffs(intra_matrix, arg);
3466 * Trivial log callback.
3467 * Only suitable for show_help and similar since it lacks prefix handling.
3469 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3471 vfprintf(stdout, fmt, vl);
3474 static void show_help(void)
3476 av_log_set_callback(log_callback_help);
3477 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3478 "Hyper fast Audio and Video encoder\n");
3480 show_help_options(options, "Main options:\n",
3481 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3482 show_help_options(options, "\nVideo options:\n",
3483 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3485 show_help_options(options, "\nAdvanced Video options:\n",
3486 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3487 OPT_VIDEO | OPT_EXPERT);
3488 show_help_options(options, "\nAudio options:\n",
3489 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3491 show_help_options(options, "\nAdvanced Audio options:\n",
3492 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3493 OPT_AUDIO | OPT_EXPERT);
3494 show_help_options(options, "\nSubtitle options:\n",
3495 OPT_SUBTITLE | OPT_GRAB,
3497 show_help_options(options, "\nAudio/Video grab options:\n",
3500 show_help_options(options, "\nAdvanced options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 av_opt_show(avctx_opts[0], NULL);
3504 av_opt_show(avformat_opts, NULL);
3505 av_opt_show(sws_opts, NULL);
3508 static void opt_show_help(void)
3514 static void opt_target(const char *arg)
3517 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3519 if(!strncmp(arg, "pal-", 4)) {
3522 } else if(!strncmp(arg, "ntsc-", 5)) {
3525 } else if(!strncmp(arg, "film-", 5)) {
3530 /* Calculate FR via float to avoid int overflow */
3531 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3534 } else if((fr == 29970) || (fr == 23976)) {
3537 /* Try to determine PAL/NTSC by peeking in the input files */
3538 if(nb_input_files) {
3540 for(j = 0; j < nb_input_files; j++) {
3541 for(i = 0; i < input_files[j]->nb_streams; i++) {
3542 AVCodecContext *c = input_files[j]->streams[i]->codec;
3543 if(c->codec_type != CODEC_TYPE_VIDEO)
3545 fr = c->time_base.den * 1000 / c->time_base.num;
3549 } else if((fr == 29970) || (fr == 23976)) {
3559 if(verbose && norm >= 0)
3560 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3564 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3565 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3566 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3570 if(!strcmp(arg, "vcd")) {
3572 opt_video_codec("mpeg1video");
3573 opt_audio_codec("mp2");
3576 opt_frame_size(norm ? "352x240" : "352x288");
3577 opt_frame_rate(frame_rates[norm]);
3578 opt_default("gop", norm ? "18" : "15");
3580 opt_default("b", "1150000");
3581 opt_default("maxrate", "1150000");
3582 opt_default("minrate", "1150000");
3583 opt_default("bufsize", "327680"); // 40*1024*8;
3585 opt_default("ab", "224000");
3586 audio_sample_rate = 44100;
3589 opt_default("packetsize", "2324");
3590 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3592 /* We have to offset the PTS, so that it is consistent with the SCR.
3593 SCR starts at 36000, but the first two packs contain only padding
3594 and the first pack from the other stream, respectively, may also have
3595 been written before.
3596 So the real data starts at SCR 36000+3*1200. */
3597 mux_preload= (36000+3*1200) / 90000.0; //0.44
3598 } else if(!strcmp(arg, "svcd")) {
3600 opt_video_codec("mpeg2video");
3601 opt_audio_codec("mp2");
3604 opt_frame_size(norm ? "480x480" : "480x576");
3605 opt_frame_rate(frame_rates[norm]);
3606 opt_default("gop", norm ? "18" : "15");
3608 opt_default("b", "2040000");
3609 opt_default("maxrate", "2516000");
3610 opt_default("minrate", "0"); //1145000;
3611 opt_default("bufsize", "1835008"); //224*1024*8;
3612 opt_default("flags", "+SCAN_OFFSET");
3615 opt_default("ab", "224000");
3616 audio_sample_rate = 44100;
3618 opt_default("packetsize", "2324");
3620 } else if(!strcmp(arg, "dvd")) {
3622 opt_video_codec("mpeg2video");
3623 opt_audio_codec("ac3");
3626 opt_frame_size(norm ? "720x480" : "720x576");
3627 opt_frame_rate(frame_rates[norm]);
3628 opt_default("gop", norm ? "18" : "15");
3630 opt_default("b", "6000000");
3631 opt_default("maxrate", "9000000");
3632 opt_default("minrate", "0"); //1500000;
3633 opt_default("bufsize", "1835008"); //224*1024*8;
3635 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3636 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3638 opt_default("ab", "448000");
3639 audio_sample_rate = 48000;
3641 } else if(!strncmp(arg, "dv", 2)) {
3645 opt_frame_size(norm ? "720x480" : "720x576");
3646 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3647 (norm ? "yuv411p" : "yuv420p"));
3648 opt_frame_rate(frame_rates[norm]);
3650 audio_sample_rate = 48000;
3654 fprintf(stderr, "Unknown target: %s\n", arg);
3659 static void opt_vstats_file (const char *arg)
3661 av_free (vstats_filename);
3662 vstats_filename=av_strdup (arg);
3665 static void opt_vstats (void)
3668 time_t today2 = time(NULL);
3669 struct tm *today = localtime(&today2);
3671 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3673 opt_vstats_file(filename);
3676 static void opt_bsf(const char *opt, const char *arg)
3678 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3679 AVBitStreamFilterContext **bsfp;
3682 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3686 bsfp= *opt == 'v' ? &video_bitstream_filters : &audio_bitstream_filters;
3688 bsfp= &(*bsfp)->next;
3693 static void opt_show_license(void)
3699 static void opt_show_version(void)
3701 show_version(program_name);
3705 const OptionDef options[] = {
3707 { "L", 0, {(void*)opt_show_license}, "show license" },
3708 { "h", 0, {(void*)opt_show_help}, "show help" },
3709 { "version", 0, {(void*)opt_show_version}, "show version" },
3710 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3711 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3712 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3713 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3714 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3715 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3716 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3717 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3718 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3719 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3720 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3721 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3722 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3723 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3724 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3725 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3726 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3727 "add timings for benchmarking" },
3728 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3729 "dump each input packet" },
3730 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3731 "when dumping packets, also dump the payload" },
3732 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3733 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3734 { "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)", "" },
3735 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3736 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3737 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3738 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3739 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3740 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3741 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3742 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3743 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3744 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3745 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3748 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3749 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3750 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3751 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3752 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3753 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3754 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3755 { "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" },
3756 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3757 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3758 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3759 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3760 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3761 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3762 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3763 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3764 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3765 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3766 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3767 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3768 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3769 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3770 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3771 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3772 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3773 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3774 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3775 "use same video quality as source (implies VBR)" },
3776 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3777 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3778 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3779 "deinterlace pictures" },
3780 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3781 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3782 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3784 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3786 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3787 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3788 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3789 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3790 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3791 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3792 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3795 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3796 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3797 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3798 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3799 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3800 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3801 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3802 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3803 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3804 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3805 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3807 /* subtitle options */
3808 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3809 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3810 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3811 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3814 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3815 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3816 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3819 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3820 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3822 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3823 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3825 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3829 static int av_exit()
3834 for(i=0;i<nb_output_files;i++) {
3835 /* maybe av_close_output_file ??? */
3836 AVFormatContext *s = output_files[i];
3838 if (!(s->oformat->flags & AVFMT_NOFILE))
3840 for(j=0;j<s->nb_streams;j++) {
3841 av_free(s->streams[j]->codec);
3842 av_free(s->streams[j]);
3846 for(i=0;i<nb_input_files;i++)
3847 av_close_input_file(input_files[i]);
3851 av_free(intra_matrix);
3852 av_free(inter_matrix);
3855 fclose(vstats_file);
3856 av_free(vstats_filename);
3860 av_free(video_codec_name);
3861 av_free(audio_codec_name);
3862 av_free(subtitle_codec_name);
3864 av_free(video_standard);
3866 #ifdef CONFIG_POWERPC_PERF
3867 extern void powerpc_display_perf_report(void);
3868 powerpc_display_perf_report();
3869 #endif /* CONFIG_POWERPC_PERF */
3871 if (received_sigterm) {
3873 "Received signal %d: terminating.\n",
3874 (int) received_sigterm);
3878 exit(0); /* not all OS-es handle main() return value */
3882 int main(int argc, char **argv)
3887 avcodec_register_all();
3888 avdevice_register_all();
3891 for(i=0; i<CODEC_TYPE_NB; i++){
3892 avctx_opts[i]= avcodec_alloc_context2(i);
3894 avformat_opts = av_alloc_format_context();
3895 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3897 show_banner(program_name, program_birth_year);
3904 parse_options(argc, argv, options, opt_output_file);
3906 /* file converter / grab */
3907 if (nb_output_files <= 0) {
3908 fprintf(stderr, "Must supply at least one output file\n");
3912 if (nb_input_files == 0) {
3913 fprintf(stderr, "Must supply at least one input file\n");
3918 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3919 stream_maps, nb_stream_maps);
3920 ti = getutime() - ti;
3922 printf("bench: utime=%0.3fs\n", ti / 1000000.0);