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) {0,0};
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 const 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_genre = NULL;
170 static char *str_album = NULL;
171 static int do_benchmark = 0;
172 static int do_hex_dump = 0;
173 static int do_pkt_dump = 0;
174 static int do_psnr = 0;
175 static int do_pass = 0;
176 static char *pass_logfilename = NULL;
177 static int audio_stream_copy = 0;
178 static int video_stream_copy = 0;
179 static int subtitle_stream_copy = 0;
180 static int video_sync_method= 1;
181 static int audio_sync_method= 0;
182 static float audio_drift_threshold= 0.1;
183 static int copy_ts= 0;
184 static int opt_shortest = 0; //
185 static int video_global_header = 0;
186 static char *vstats_filename;
187 static FILE *vstats_file;
188 static int opt_programid = 0;
190 static int rate_emu = 0;
192 static int video_channel = 0;
193 static char *video_standard;
195 static int audio_volume = 256;
197 static int using_stdin = 0;
198 static int using_vhook = 0;
199 static int verbose = 1;
200 static int thread_count= 1;
201 static int q_pressed = 0;
202 static int64_t video_size = 0;
203 static int64_t audio_size = 0;
204 static int64_t extra_size = 0;
205 static int nb_frames_dup = 0;
206 static int nb_frames_drop = 0;
207 static int input_sync;
208 static uint64_t limit_filesize = 0; //
210 static int pgmyuv_compatibility_hack=0;
211 static float dts_delta_threshold = 10;
213 static int sws_flags = SWS_BICUBIC;
215 static const char **opt_names;
216 static int opt_name_count;
217 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
218 static AVFormatContext *avformat_opts;
219 static struct SwsContext *sws_opts;
220 static int64_t timer_start;
222 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
227 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
229 struct AVInputStream;
231 typedef struct AVOutputStream {
232 int file_index; /* file index */
233 int index; /* stream index in the output file */
234 int source_index; /* AVInputStream index */
235 AVStream *st; /* stream in the output file */
236 int encoding_needed; /* true if encoding needed for this stream */
238 /* input pts and corresponding output pts
240 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
241 struct AVInputStream *sync_ist; /* input stream to sync against */
242 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
245 AVFrame pict_tmp; /* temporary image for resampling */
246 struct SwsContext *img_resample_ctx; /* for image resampling */
250 int topBand; /* cropping area sizes */
254 int padtop; /* padding area sizes */
261 ReSampleContext *resample; /* for audio resampling */
262 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
266 typedef struct AVInputStream {
270 int discard; /* true if stream data should be discarded */
271 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
272 int64_t sample_index; /* current sample */
274 int64_t start; /* time when read started */
275 unsigned long frame; /* current frame */
276 int64_t next_pts; /* synthetic pts for cases where pkt.pts
278 int64_t pts; /* current pts */
279 int is_start; /* is 1 at the start and after a discontinuity */
282 typedef struct AVInputFile {
283 int eof_reached; /* true if eof reached */
284 int ist_index; /* index of first stream in ist_table */
285 int buffer_size; /* current total buffer size */
286 int nb_streams; /* nb streams we are aware of */
289 #ifdef HAVE_TERMIOS_H
291 /* init terminal so that we can grab keys */
292 static struct termios oldtty;
295 static void term_exit(void)
297 #ifdef HAVE_TERMIOS_H
298 tcsetattr (0, TCSANOW, &oldtty);
302 static volatile sig_atomic_t received_sigterm = 0;
305 sigterm_handler(int sig)
307 received_sigterm = sig;
311 static void term_init(void)
313 #ifdef HAVE_TERMIOS_H
319 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
320 |INLCR|IGNCR|ICRNL|IXON);
321 tty.c_oflag |= OPOST;
322 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
323 tty.c_cflag &= ~(CSIZE|PARENB);
328 tcsetattr (0, TCSANOW, &tty);
329 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
332 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
333 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
335 register a function to be called at normal program termination
338 #ifdef CONFIG_BEOS_NETSERVER
339 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
343 /* read a key without blocking */
344 static int read_key(void)
346 #if defined(HAVE_TERMIOS_H)
349 #ifndef CONFIG_BEOS_NETSERVER
357 n = select(1, &rfds, NULL, NULL, &tv);
366 #elif defined(HAVE_CONIO_H)
373 static int decode_interrupt_cb(void)
375 return q_pressed || (q_pressed = read_key() == 'q');
378 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
383 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
386 /* copy stream format */
387 s->nb_streams = ic->nb_streams;
388 for(i=0;i<ic->nb_streams;i++) {
391 // FIXME: a more elegant solution is needed
392 st = av_mallocz(sizeof(AVStream));
393 memcpy(st, ic->streams[i], sizeof(AVStream));
394 st->codec = avcodec_alloc_context();
395 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
399 av_close_input_file(ic);
404 get_sync_ipts(const AVOutputStream *ost)
406 const AVInputStream *ist = ost->sync_ist;
407 return (double)(ist->pts - start_time)/AV_TIME_BASE;
410 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
414 AVPacket new_pkt= *pkt;
415 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
416 &new_pkt.data, &new_pkt.size,
417 pkt->data, pkt->size,
418 pkt->flags & PKT_FLAG_KEY);
421 new_pkt.destruct= av_destruct_packet;
423 fprintf(stderr, "%s failed for stream %d, codec %s",
424 bsfc->filter->name, pkt->stream_index,
425 avctx->codec ? avctx->codec->name : "copy");
433 ret= av_interleaved_write_frame(s, pkt);
435 print_error("av_interleaved_write_frame()", ret);
440 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
442 static void do_audio_out(AVFormatContext *s,
445 unsigned char *buf, int size)
448 static uint8_t *audio_buf = NULL;
449 static uint8_t *audio_out = NULL;
450 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
452 int size_out, frame_bytes, ret;
453 AVCodecContext *enc= ost->st->codec;
454 AVCodecContext *dec= ist->st->codec;
456 /* SC: dynamic allocation of buffers */
458 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
460 audio_out = av_malloc(audio_out_size);
461 if (!audio_buf || !audio_out)
462 return; /* Should signal an error ! */
464 if (enc->channels != dec->channels)
465 ost->audio_resample = 1;
467 if (ost->audio_resample && !ost->resample) {
468 ost->resample = audio_resample_init(enc->channels, dec->channels,
469 enc->sample_rate, dec->sample_rate);
470 if (!ost->resample) {
471 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
472 dec->channels, dec->sample_rate,
473 enc->channels, enc->sample_rate);
478 if(audio_sync_method){
479 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
480 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
481 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
482 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
484 //FIXME resample delay
485 if(fabs(delta) > 50){
486 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
488 byte_delta= FFMAX(byte_delta, -size);
492 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
497 static uint8_t *input_tmp= NULL;
498 input_tmp= av_realloc(input_tmp, byte_delta + size);
500 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
503 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
505 memset(input_tmp, 0, byte_delta);
506 memcpy(input_tmp + byte_delta, buf, size);
510 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
512 }else if(audio_sync_method>1){
513 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
514 assert(ost->audio_resample);
516 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
517 // 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));
518 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
522 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
523 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
525 if (ost->audio_resample) {
527 size_out = audio_resample(ost->resample,
528 (short *)buftmp, (short *)buf,
529 size / (ist->st->codec->channels * 2));
530 size_out = size_out * enc->channels * 2;
536 /* now encode as many frames as possible */
537 if (enc->frame_size > 1) {
538 /* output resampled raw samples */
539 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out + 1);
540 av_fifo_write(&ost->fifo, buftmp, size_out);
542 frame_bytes = enc->frame_size * 2 * enc->channels;
544 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
546 av_init_packet(&pkt);
548 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
550 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
553 pkt.stream_index= ost->index;
556 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
557 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
558 pkt.flags |= PKT_FLAG_KEY;
559 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
561 ost->sync_opts += enc->frame_size;
565 av_init_packet(&pkt);
567 ost->sync_opts += size_out / (2 * enc->channels);
569 /* output a pcm frame */
570 /* XXX: change encoding codec API to avoid this ? */
571 switch(enc->codec->id) {
572 case CODEC_ID_PCM_S32LE:
573 case CODEC_ID_PCM_S32BE:
574 case CODEC_ID_PCM_U32LE:
575 case CODEC_ID_PCM_U32BE:
576 size_out = size_out << 1;
578 case CODEC_ID_PCM_S24LE:
579 case CODEC_ID_PCM_S24BE:
580 case CODEC_ID_PCM_U24LE:
581 case CODEC_ID_PCM_U24BE:
582 case CODEC_ID_PCM_S24DAUD:
583 size_out = size_out / 2 * 3;
585 case CODEC_ID_PCM_S16LE:
586 case CODEC_ID_PCM_S16BE:
587 case CODEC_ID_PCM_U16LE:
588 case CODEC_ID_PCM_U16BE:
591 size_out = size_out >> 1;
594 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
595 ret = avcodec_encode_audio(enc, audio_out, size_out,
598 pkt.stream_index= ost->index;
601 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
602 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
603 pkt.flags |= PKT_FLAG_KEY;
604 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
608 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
612 AVPicture picture_tmp;
615 dec = ist->st->codec;
617 /* deinterlace : must be done before any resize */
618 if (do_deinterlace || using_vhook) {
621 /* create temporary picture */
622 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
623 buf = av_malloc(size);
627 picture2 = &picture_tmp;
628 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
631 if(avpicture_deinterlace(picture2, picture,
632 dec->pix_fmt, dec->width, dec->height) < 0) {
633 /* if error, do not deinterlace */
639 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
646 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
647 1000000 * ist->pts / AV_TIME_BASE);
649 if (picture != picture2)
650 *picture = *picture2;
654 /* we begin to correct av delay at this threshold */
655 #define AV_DELAY_MAX 0.100
657 static void do_subtitle_out(AVFormatContext *s,
663 static uint8_t *subtitle_out = NULL;
664 int subtitle_out_max_size = 65536;
665 int subtitle_out_size, nb, i;
669 if (pts == AV_NOPTS_VALUE) {
670 fprintf(stderr, "Subtitle packets must have a pts\n");
674 enc = ost->st->codec;
677 subtitle_out = av_malloc(subtitle_out_max_size);
680 /* Note: DVB subtitle need one packet to draw them and one other
681 packet to clear them */
682 /* XXX: signal it in the codec context ? */
683 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
688 for(i = 0; i < nb; i++) {
689 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
690 subtitle_out_max_size, sub);
692 av_init_packet(&pkt);
693 pkt.stream_index = ost->index;
694 pkt.data = subtitle_out;
695 pkt.size = subtitle_out_size;
696 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
697 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
698 /* XXX: the pts correction is handled here. Maybe handling
699 it in the codec would be better */
701 pkt.pts += 90 * sub->start_display_time;
703 pkt.pts += 90 * sub->end_display_time;
705 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
709 static int bit_buffer_size= 1024*256;
710 static uint8_t *bit_buffer= NULL;
712 static void do_video_out(AVFormatContext *s,
718 int nb_frames, i, ret;
719 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
720 AVFrame picture_crop_temp, picture_pad_temp;
721 AVCodecContext *enc, *dec;
723 avcodec_get_frame_defaults(&picture_crop_temp);
724 avcodec_get_frame_defaults(&picture_pad_temp);
726 enc = ost->st->codec;
727 dec = ist->st->codec;
729 /* by default, we output a single frame */
734 if(video_sync_method){
736 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
737 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
740 else if (video_sync_method == 2)
741 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
742 else if (vdelta > 1.1)
743 nb_frames = lrintf(vdelta);
744 //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);
748 fprintf(stderr, "*** drop!\n");
749 }else if (nb_frames > 1) {
750 nb_frames_dup += nb_frames;
752 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
755 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
757 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
761 if (ost->video_crop) {
762 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
763 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
766 formatted_picture = &picture_crop_temp;
768 formatted_picture = in_picture;
771 final_picture = formatted_picture;
772 padding_src = formatted_picture;
773 resampling_dst = &ost->pict_tmp;
774 if (ost->video_pad) {
775 final_picture = &ost->pict_tmp;
776 if (ost->video_resample) {
777 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
778 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
781 resampling_dst = &picture_pad_temp;
785 if (ost->video_resample) {
787 final_picture = &ost->pict_tmp;
788 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
789 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
792 if (ost->video_pad) {
793 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
794 enc->height, enc->width, enc->pix_fmt,
795 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
798 /* duplicates frame if needed */
799 for(i=0;i<nb_frames;i++) {
801 av_init_packet(&pkt);
802 pkt.stream_index= ost->index;
804 if (s->oformat->flags & AVFMT_RAWPICTURE) {
805 /* raw pictures are written as AVPicture structure to
806 avoid any copies. We support temorarily the older
808 AVFrame* old_frame = enc->coded_frame;
809 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
810 pkt.data= (uint8_t *)final_picture;
811 pkt.size= sizeof(AVPicture);
812 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
813 pkt.flags |= PKT_FLAG_KEY;
815 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
816 enc->coded_frame = old_frame;
820 big_picture= *final_picture;
821 /* better than nothing: use input picture interlaced
823 big_picture.interlaced_frame = in_picture->interlaced_frame;
824 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
825 if(top_field_first == -1)
826 big_picture.top_field_first = in_picture->top_field_first;
828 big_picture.top_field_first = top_field_first;
831 /* handles sameq here. This is not correct because it may
832 not be a global option */
834 big_picture.quality = ist->st->quality;
836 big_picture.quality = ost->st->quality;
838 big_picture.pict_type = 0;
839 // big_picture.pts = AV_NOPTS_VALUE;
840 big_picture.pts= ost->sync_opts;
841 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
842 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
843 ret = avcodec_encode_video(enc,
844 bit_buffer, bit_buffer_size,
847 fprintf(stderr, "Video encoding failed\n");
850 //enc->frame_number = enc->real_pict_num;
852 pkt.data= bit_buffer;
854 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
855 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
856 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
857 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
858 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
860 if(enc->coded_frame && enc->coded_frame->key_frame)
861 pkt.flags |= PKT_FLAG_KEY;
862 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
864 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
865 // enc->frame_number-1, enc->real_pict_num, ret,
867 /* if two pass, output log */
868 if (ost->logfile && enc->stats_out) {
869 fprintf(ost->logfile, "%s", enc->stats_out);
878 static double psnr(double d){
879 if(d==0) return INFINITY;
880 return -10.0*log(d)/log(10.0);
883 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
888 double ti1, bitrate, avg_bitrate;
890 /* this is executed just the first time do_video_stats is called */
892 vstats_file = fopen(vstats_filename, "w");
899 enc = ost->st->codec;
900 if (enc->codec_type == CODEC_TYPE_VIDEO) {
901 frame_number = ost->frame_number;
902 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
903 if (enc->flags&CODEC_FLAG_PSNR)
904 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
906 fprintf(vstats_file,"f_size= %6d ", frame_size);
907 /* compute pts value */
908 ti1 = ost->sync_opts * av_q2d(enc->time_base);
912 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
913 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
914 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
915 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
916 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
920 static void print_report(AVFormatContext **output_files,
921 AVOutputStream **ost_table, int nb_ostreams,
926 AVFormatContext *oc, *os;
929 int frame_number, vid, i;
930 double bitrate, ti1, pts;
931 static int64_t last_time = -1;
932 static int qp_histogram[52];
934 if (!is_last_report) {
936 /* display the report every 0.5 seconds */
937 cur_time = av_gettime();
938 if (last_time == -1) {
939 last_time = cur_time;
942 if ((cur_time - last_time) < 500000)
944 last_time = cur_time;
948 oc = output_files[0];
950 total_size = url_fsize(oc->pb);
951 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
952 total_size= url_ftell(oc->pb);
957 for(i=0;i<nb_ostreams;i++) {
959 os = output_files[ost->file_index];
960 enc = ost->st->codec;
961 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
962 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
963 enc->coded_frame && !ost->st->stream_copy ?
964 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
966 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
967 float t = (av_gettime()-timer_start) / 1000000.0;
969 frame_number = ost->frame_number;
970 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
971 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
972 enc->coded_frame && !ost->st->stream_copy ?
973 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
975 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
976 if(qp_hist && enc->coded_frame){
978 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
979 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
984 if (enc->flags&CODEC_FLAG_PSNR){
986 double error, error_sum=0;
987 double scale, scale_sum=0;
988 char type[3]= {'Y','U','V'};
989 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
992 error= enc->error[j];
993 scale= enc->width*enc->height*255.0*255.0*frame_number;
995 error= enc->coded_frame->error[j];
996 scale= enc->width*enc->height*255.0*255.0;
1001 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1003 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1007 /* compute min output value */
1008 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1009 if ((pts < ti1) && (pts > 0))
1015 if (verbose || is_last_report) {
1016 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1018 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1019 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1020 (double)total_size / 1024, ti1, bitrate);
1023 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1024 nb_frames_dup, nb_frames_drop);
1027 fprintf(stderr, "%s \r", buf);
1032 if (is_last_report && verbose >= 0){
1033 int64_t raw= audio_size + video_size + extra_size;
1034 fprintf(stderr, "\n");
1035 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1039 100.0*(total_size - raw)/raw
1044 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1045 static int output_packet(AVInputStream *ist, int ist_index,
1046 AVOutputStream **ost_table, int nb_ostreams,
1047 const AVPacket *pkt)
1049 AVFormatContext *os;
1050 AVOutputStream *ost;
1054 int data_size, got_picture;
1056 void *buffer_to_free;
1057 static unsigned int samples_size= 0;
1058 static short *samples= NULL;
1059 AVSubtitle subtitle, *subtitle_to_free;
1062 if(ist->next_pts == AV_NOPTS_VALUE)
1063 ist->next_pts= ist->pts;
1072 if(pkt->dts != AV_NOPTS_VALUE)
1073 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1079 ist->pts= ist->next_pts;
1081 if(len && len != pkt->size && verbose>0)
1082 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1084 /* decode the packet if needed */
1085 data_buf = NULL; /* fail safe */
1087 subtitle_to_free = NULL;
1088 if (ist->decoding_needed) {
1089 switch(ist->st->codec->codec_type) {
1090 case CODEC_TYPE_AUDIO:{
1092 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1093 data_size= samples_size;
1094 /* XXX: could avoid copy if PCM 16 bits with same
1095 endianness as CPU */
1096 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1102 /* Some bug in mpeg audio decoder gives */
1103 /* data_size < 0, it seems they are overflows */
1104 if (data_size <= 0) {
1105 /* no audio frame */
1108 data_buf = (uint8_t *)samples;
1109 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1110 (ist->st->codec->sample_rate * ist->st->codec->channels);
1112 case CODEC_TYPE_VIDEO:
1113 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1114 /* XXX: allocate picture correctly */
1115 avcodec_get_frame_defaults(&picture);
1117 ret = avcodec_decode_video(ist->st->codec,
1118 &picture, &got_picture, ptr, len);
1119 ist->st->quality= picture.quality;
1123 /* no picture yet */
1124 goto discard_packet;
1126 if (ist->st->codec->time_base.num != 0) {
1127 ist->next_pts += ((int64_t)AV_TIME_BASE *
1128 ist->st->codec->time_base.num) /
1129 ist->st->codec->time_base.den;
1133 case CODEC_TYPE_SUBTITLE:
1134 ret = avcodec_decode_subtitle(ist->st->codec,
1135 &subtitle, &got_subtitle, ptr, len);
1138 if (!got_subtitle) {
1139 goto discard_packet;
1141 subtitle_to_free = &subtitle;
1148 switch(ist->st->codec->codec_type) {
1149 case CODEC_TYPE_AUDIO:
1150 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1151 ist->st->codec->sample_rate;
1153 case CODEC_TYPE_VIDEO:
1154 if (ist->st->codec->time_base.num != 0) {
1155 ist->next_pts += ((int64_t)AV_TIME_BASE *
1156 ist->st->codec->time_base.num) /
1157 ist->st->codec->time_base.den;
1167 buffer_to_free = NULL;
1168 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1169 pre_process_video_frame(ist, (AVPicture *)&picture,
1173 // preprocess audio (volume)
1174 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1175 if (audio_volume != 256) {
1178 for(i=0;i<(data_size / sizeof(short));i++) {
1179 int v = ((*volp) * audio_volume + 128) >> 8;
1180 if (v < -32768) v = -32768;
1181 if (v > 32767) v = 32767;
1187 /* frame rate emulation */
1188 if (ist->st->codec->rate_emu) {
1189 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1190 int64_t now = av_gettime() - ist->start;
1198 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1199 is the one of the next displayed one */
1200 /* XXX: add mpeg4 too ? */
1201 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1202 if (ist->st->codec->pict_type != B_TYPE) {
1204 tmp = ist->last_ip_pts;
1205 ist->last_ip_pts = ist->frac_pts.val;
1206 ist->frac_pts.val = tmp;
1210 /* if output time reached then transcode raw format,
1211 encode packets and output them */
1212 if (start_time == 0 || ist->pts >= start_time)
1213 for(i=0;i<nb_ostreams;i++) {
1217 if (ost->source_index == ist_index) {
1218 os = output_files[ost->file_index];
1221 printf("%d: got pts=%0.3f %0.3f\n", i,
1222 (double)pkt->pts / AV_TIME_BASE,
1223 ((double)ist->pts / AV_TIME_BASE) -
1224 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1226 /* set the input output pts pairs */
1227 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1229 if (ost->encoding_needed) {
1230 switch(ost->st->codec->codec_type) {
1231 case CODEC_TYPE_AUDIO:
1232 do_audio_out(os, ost, ist, data_buf, data_size);
1234 case CODEC_TYPE_VIDEO:
1235 do_video_out(os, ost, ist, &picture, &frame_size);
1236 video_size += frame_size;
1237 if (vstats_filename && frame_size)
1238 do_video_stats(os, ost, frame_size);
1240 case CODEC_TYPE_SUBTITLE:
1241 do_subtitle_out(os, ost, ist, &subtitle,
1248 AVFrame avframe; //FIXME/XXX remove this
1250 av_init_packet(&opkt);
1252 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1255 /* no reencoding needed : output the packet directly */
1256 /* force the input stream PTS */
1258 avcodec_get_frame_defaults(&avframe);
1259 ost->st->codec->coded_frame= &avframe;
1260 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1262 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1263 audio_size += data_size;
1264 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1265 video_size += data_size;
1269 opkt.stream_index= ost->index;
1270 if(pkt->pts != AV_NOPTS_VALUE)
1271 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1273 opkt.pts= AV_NOPTS_VALUE;
1275 if (pkt->dts == AV_NOPTS_VALUE)
1276 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1278 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1280 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1281 opkt.flags= pkt->flags;
1283 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1284 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1285 opkt.destruct= av_destruct_packet;
1287 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1288 ost->st->codec->frame_number++;
1289 ost->frame_number++;
1290 av_free_packet(&opkt);
1294 av_free(buffer_to_free);
1295 /* XXX: allocate the subtitles in the codec ? */
1296 if (subtitle_to_free) {
1297 if (subtitle_to_free->rects != NULL) {
1298 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1299 av_free(subtitle_to_free->rects[i].bitmap);
1300 av_free(subtitle_to_free->rects[i].rgba_palette);
1302 av_freep(&subtitle_to_free->rects);
1304 subtitle_to_free->num_rects = 0;
1305 subtitle_to_free = NULL;
1312 for(i=0;i<nb_ostreams;i++) {
1314 if (ost->source_index == ist_index) {
1315 AVCodecContext *enc= ost->st->codec;
1316 os = output_files[ost->file_index];
1318 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1320 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1323 if (ost->encoding_needed) {
1327 av_init_packet(&pkt);
1328 pkt.stream_index= ost->index;
1330 switch(ost->st->codec->codec_type) {
1331 case CODEC_TYPE_AUDIO:
1332 fifo_bytes = av_fifo_size(&ost->fifo);
1334 /* encode any samples remaining in fifo */
1335 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1336 int fs_tmp = enc->frame_size;
1337 enc->frame_size = fifo_bytes / (2 * enc->channels);
1338 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1339 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1341 enc->frame_size = fs_tmp;
1344 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1347 pkt.flags |= PKT_FLAG_KEY;
1349 case CODEC_TYPE_VIDEO:
1350 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1352 if(enc->coded_frame && enc->coded_frame->key_frame)
1353 pkt.flags |= PKT_FLAG_KEY;
1354 if (ost->logfile && enc->stats_out) {
1355 fprintf(ost->logfile, "%s", enc->stats_out);
1364 pkt.data= bit_buffer;
1366 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1367 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1368 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1380 static void print_sdp(AVFormatContext **avc, int n)
1384 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1385 printf("SDP:\n%s\n", sdp);
1388 static int stream_index_from_inputs(AVFormatContext **input_files,
1390 AVInputFile *file_table,
1391 AVInputStream **ist_table,
1392 enum CodecType type,
1396 for(z=0; z<nb_input_files; z++) {
1397 AVFormatContext *ic = input_files[z];
1398 for(p=0; p<ic->nb_programs; p++) {
1399 AVProgram *program = ic->programs[p];
1400 if(program->id != programid)
1402 for(q=0; q<program->nb_stream_indexes; q++) {
1403 int sidx = program->stream_index[q];
1404 int ris = file_table[z].ist_index + sidx;
1405 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1415 * The following code is the main loop of the file converter
1417 static int av_encode(AVFormatContext **output_files,
1418 int nb_output_files,
1419 AVFormatContext **input_files,
1421 AVStreamMap *stream_maps, int nb_stream_maps)
1423 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1424 AVFormatContext *is, *os;
1425 AVCodecContext *codec, *icodec;
1426 AVOutputStream *ost, **ost_table = NULL;
1427 AVInputStream *ist, **ist_table = NULL;
1428 AVInputFile *file_table;
1432 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1436 /* input stream init */
1438 for(i=0;i<nb_input_files;i++) {
1439 is = input_files[i];
1440 file_table[i].ist_index = j;
1441 file_table[i].nb_streams = is->nb_streams;
1442 j += is->nb_streams;
1446 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1450 for(i=0;i<nb_istreams;i++) {
1451 ist = av_mallocz(sizeof(AVInputStream));
1457 for(i=0;i<nb_input_files;i++) {
1458 is = input_files[i];
1459 for(k=0;k<is->nb_streams;k++) {
1460 ist = ist_table[j++];
1461 ist->st = is->streams[k];
1462 ist->file_index = i;
1464 ist->discard = 1; /* the stream is discarded by default
1467 if (ist->st->codec->rate_emu) {
1468 ist->start = av_gettime();
1474 /* output stream init */
1476 for(i=0;i<nb_output_files;i++) {
1477 os = output_files[i];
1478 if (!os->nb_streams) {
1479 fprintf(stderr, "Output file does not contain any stream\n");
1482 nb_ostreams += os->nb_streams;
1484 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1485 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1489 /* Sanity check the mapping args -- do the input files & streams exist? */
1490 for(i=0;i<nb_stream_maps;i++) {
1491 int fi = stream_maps[i].file_index;
1492 int si = stream_maps[i].stream_index;
1494 if (fi < 0 || fi > nb_input_files - 1 ||
1495 si < 0 || si > file_table[fi].nb_streams - 1) {
1496 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1499 fi = stream_maps[i].sync_file_index;
1500 si = stream_maps[i].sync_stream_index;
1501 if (fi < 0 || fi > nb_input_files - 1 ||
1502 si < 0 || si > file_table[fi].nb_streams - 1) {
1503 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1508 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1511 for(i=0;i<nb_ostreams;i++) {
1512 ost = av_mallocz(sizeof(AVOutputStream));
1519 for(k=0;k<nb_output_files;k++) {
1520 os = output_files[k];
1521 for(i=0;i<os->nb_streams;i++) {
1523 ost = ost_table[n++];
1524 ost->file_index = k;
1526 ost->st = os->streams[i];
1527 if (nb_stream_maps > 0) {
1528 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1529 stream_maps[n-1].stream_index;
1531 /* Sanity check that the stream types match */
1532 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1533 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1534 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1535 ost->file_index, ost->index);
1542 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1544 ost->source_index = j;
1548 /* get corresponding input stream index : we select the first one with the right type */
1550 for(j=0;j<nb_istreams;j++) {
1553 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1554 ost->source_index = j;
1562 if(! opt_programid) {
1563 /* try again and reuse existing stream */
1564 for(j=0;j<nb_istreams;j++) {
1566 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1567 ost->source_index = j;
1573 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1574 ost->file_index, ost->index);
1579 ist = ist_table[ost->source_index];
1581 ost->sync_ist = (nb_stream_maps > 0) ?
1582 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1583 stream_maps[n-1].sync_stream_index] : ist;
1587 /* for each output stream, we compute the right encoding parameters */
1588 for(i=0;i<nb_ostreams;i++) {
1590 os = output_files[ost->file_index];
1591 ist = ist_table[ost->source_index];
1593 codec = ost->st->codec;
1594 icodec = ist->st->codec;
1596 if (!ost->st->language[0])
1597 av_strlcpy(ost->st->language, ist->st->language,
1598 sizeof(ost->st->language));
1600 if (ost->st->stream_copy) {
1601 /* if stream_copy is selected, no need to decode or encode */
1602 codec->codec_id = icodec->codec_id;
1603 codec->codec_type = icodec->codec_type;
1605 if(!codec->codec_tag){
1606 if( !os->oformat->codec_tag
1607 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1608 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1609 codec->codec_tag = icodec->codec_tag;
1612 codec->bit_rate = icodec->bit_rate;
1613 codec->extradata= icodec->extradata;
1614 codec->extradata_size= icodec->extradata_size;
1615 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1616 codec->time_base = icodec->time_base;
1618 codec->time_base = ist->st->time_base;
1619 switch(codec->codec_type) {
1620 case CODEC_TYPE_AUDIO:
1621 codec->sample_rate = icodec->sample_rate;
1622 codec->channels = icodec->channels;
1623 codec->frame_size = icodec->frame_size;
1624 codec->block_align= icodec->block_align;
1625 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1626 codec->block_align= 0;
1628 case CODEC_TYPE_VIDEO:
1630 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1633 codec->pix_fmt = icodec->pix_fmt;
1634 codec->width = icodec->width;
1635 codec->height = icodec->height;
1636 codec->has_b_frames = icodec->has_b_frames;
1638 case CODEC_TYPE_SUBTITLE:
1644 switch(codec->codec_type) {
1645 case CODEC_TYPE_AUDIO:
1646 if (av_fifo_init(&ost->fifo, 1024))
1648 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1649 icodec->request_channels = codec->channels;
1650 ist->decoding_needed = 1;
1651 ost->encoding_needed = 1;
1653 case CODEC_TYPE_VIDEO:
1654 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1655 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1656 ost->video_resample = ((codec->width != icodec->width -
1657 (frame_leftBand + frame_rightBand) +
1658 (frame_padleft + frame_padright)) ||
1659 (codec->height != icodec->height -
1660 (frame_topBand + frame_bottomBand) +
1661 (frame_padtop + frame_padbottom)) ||
1662 (codec->pix_fmt != icodec->pix_fmt));
1663 if (ost->video_crop) {
1664 ost->topBand = frame_topBand;
1665 ost->leftBand = frame_leftBand;
1667 if (ost->video_pad) {
1668 ost->padtop = frame_padtop;
1669 ost->padleft = frame_padleft;
1670 ost->padbottom = frame_padbottom;
1671 ost->padright = frame_padright;
1672 if (!ost->video_resample) {
1673 avcodec_get_frame_defaults(&ost->pict_tmp);
1674 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1675 codec->width, codec->height ) )
1679 if (ost->video_resample) {
1680 avcodec_get_frame_defaults(&ost->pict_tmp);
1681 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1682 codec->width, codec->height ) ) {
1683 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1686 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1687 ost->img_resample_ctx = sws_getContext(
1688 icodec->width - (frame_leftBand + frame_rightBand),
1689 icodec->height - (frame_topBand + frame_bottomBand),
1691 codec->width - (frame_padleft + frame_padright),
1692 codec->height - (frame_padtop + frame_padbottom),
1694 sws_flags, NULL, NULL, NULL);
1695 if (ost->img_resample_ctx == NULL) {
1696 fprintf(stderr, "Cannot get resampling context\n");
1699 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1701 ost->encoding_needed = 1;
1702 ist->decoding_needed = 1;
1704 case CODEC_TYPE_SUBTITLE:
1705 ost->encoding_needed = 1;
1706 ist->decoding_needed = 1;
1713 if (ost->encoding_needed &&
1714 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1715 char logfilename[1024];
1720 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1722 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1723 if (codec->flags & CODEC_FLAG_PASS1) {
1724 f = fopen(logfilename, "w");
1726 perror(logfilename);
1731 /* read the log file */
1732 f = fopen(logfilename, "r");
1734 perror(logfilename);
1737 fseek(f, 0, SEEK_END);
1739 fseek(f, 0, SEEK_SET);
1740 logbuffer = av_malloc(size + 1);
1742 fprintf(stderr, "Could not allocate log buffer\n");
1745 size = fread(logbuffer, 1, size, f);
1747 logbuffer[size] = '\0';
1748 codec->stats_in = logbuffer;
1752 if(codec->codec_type == CODEC_TYPE_VIDEO){
1753 int size= codec->width * codec->height;
1754 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1759 bit_buffer = av_malloc(bit_buffer_size);
1763 /* dump the file output parameters - cannot be done before in case
1765 for(i=0;i<nb_output_files;i++) {
1766 dump_format(output_files[i], i, output_files[i]->filename, 1);
1769 /* dump the stream mapping */
1771 fprintf(stderr, "Stream mapping:\n");
1772 for(i=0;i<nb_ostreams;i++) {
1774 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1775 ist_table[ost->source_index]->file_index,
1776 ist_table[ost->source_index]->index,
1779 if (ost->sync_ist != ist_table[ost->source_index])
1780 fprintf(stderr, " [sync #%d.%d]",
1781 ost->sync_ist->file_index,
1782 ost->sync_ist->index);
1783 fprintf(stderr, "\n");
1787 /* open each encoder */
1788 for(i=0;i<nb_ostreams;i++) {
1790 if (ost->encoding_needed) {
1792 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1794 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1795 ost->file_index, ost->index);
1798 if (avcodec_open(ost->st->codec, codec) < 0) {
1799 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1800 ost->file_index, ost->index);
1803 extra_size += ost->st->codec->extradata_size;
1807 /* open each decoder */
1808 for(i=0;i<nb_istreams;i++) {
1810 if (ist->decoding_needed) {
1812 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1814 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1815 ist->st->codec->codec_id, ist->file_index, ist->index);
1818 if (avcodec_open(ist->st->codec, codec) < 0) {
1819 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1820 ist->file_index, ist->index);
1823 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1824 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1829 for(i=0;i<nb_istreams;i++) {
1831 is = input_files[ist->file_index];
1833 ist->next_pts = AV_NOPTS_VALUE;
1837 /* set meta data information from input file if required */
1838 for (i=0;i<nb_meta_data_maps;i++) {
1839 AVFormatContext *out_file;
1840 AVFormatContext *in_file;
1842 int out_file_index = meta_data_maps[i].out_file;
1843 int in_file_index = meta_data_maps[i].in_file;
1844 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1845 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1846 ret = AVERROR(EINVAL);
1849 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1850 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1851 ret = AVERROR(EINVAL);
1855 out_file = output_files[out_file_index];
1856 in_file = input_files[in_file_index];
1858 strcpy(out_file->title, in_file->title);
1859 strcpy(out_file->author, in_file->author);
1860 strcpy(out_file->copyright, in_file->copyright);
1861 strcpy(out_file->comment, in_file->comment);
1862 strcpy(out_file->album, in_file->album);
1863 out_file->year = in_file->year;
1864 out_file->track = in_file->track;
1865 strcpy(out_file->genre, in_file->genre);
1868 /* open files and write file headers */
1869 for(i=0;i<nb_output_files;i++) {
1870 os = output_files[i];
1871 if (av_write_header(os) < 0) {
1872 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1873 ret = AVERROR(EINVAL);
1876 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1881 print_sdp(output_files, nb_output_files);
1884 if ( !using_stdin && verbose >= 0) {
1885 fprintf(stderr, "Press [q] to stop encoding\n");
1886 url_set_interrupt_cb(decode_interrupt_cb);
1891 timer_start = av_gettime();
1893 for(; received_sigterm == 0;) {
1894 int file_index, ist_index;
1902 /* if 'q' pressed, exits */
1906 /* read_key() returns 0 on EOF */
1912 /* select the stream that we must read now by looking at the
1913 smallest output pts */
1915 for(i=0;i<nb_ostreams;i++) {
1918 os = output_files[ost->file_index];
1919 ist = ist_table[ost->source_index];
1920 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1921 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1923 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1924 ipts = (double)ist->pts;
1925 if (!file_table[ist->file_index].eof_reached){
1926 if(ipts < ipts_min) {
1928 if(input_sync ) file_index = ist->file_index;
1930 if(opts < opts_min) {
1932 if(!input_sync) file_index = ist->file_index;
1935 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1940 /* if none, if is finished */
1941 if (file_index < 0) {
1945 /* finish if recording time exhausted */
1946 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1949 /* finish if limit size exhausted */
1950 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1953 /* read a frame from it and output it in the fifo */
1954 is = input_files[file_index];
1955 if (av_read_frame(is, &pkt) < 0) {
1956 file_table[file_index].eof_reached = 1;
1964 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1966 /* the following test is needed in case new streams appear
1967 dynamically in stream : we ignore them */
1968 if (pkt.stream_index >= file_table[file_index].nb_streams)
1969 goto discard_packet;
1970 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1971 ist = ist_table[ist_index];
1973 goto discard_packet;
1975 if (pkt.dts != AV_NOPTS_VALUE)
1976 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1977 if (pkt.pts != AV_NOPTS_VALUE)
1978 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1980 // 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);
1981 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1982 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1983 int64_t delta= pkt_dts - ist->next_pts;
1984 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1985 input_files_ts_offset[ist->file_index]-= delta;
1987 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1988 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1989 if(pkt.pts != AV_NOPTS_VALUE)
1990 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1994 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1995 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1998 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1999 ist->file_index, ist->index);
2001 av_free_packet(&pkt);
2006 av_free_packet(&pkt);
2008 /* dump report by using the output first video and audio streams */
2009 print_report(output_files, ost_table, nb_ostreams, 0);
2012 /* at the end of stream, we must flush the decoder buffers */
2013 for(i=0;i<nb_istreams;i++) {
2015 if (ist->decoding_needed) {
2016 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2022 /* write the trailer if needed and close file */
2023 for(i=0;i<nb_output_files;i++) {
2024 os = output_files[i];
2025 av_write_trailer(os);
2028 /* dump report by using the first video and audio streams */
2029 print_report(output_files, ost_table, nb_ostreams, 1);
2031 /* close each encoder */
2032 for(i=0;i<nb_ostreams;i++) {
2034 if (ost->encoding_needed) {
2035 av_freep(&ost->st->codec->stats_in);
2036 avcodec_close(ost->st->codec);
2040 /* close each decoder */
2041 for(i=0;i<nb_istreams;i++) {
2043 if (ist->decoding_needed) {
2044 avcodec_close(ist->st->codec);
2052 av_freep(&bit_buffer);
2053 av_free(file_table);
2056 for(i=0;i<nb_istreams;i++) {
2063 for(i=0;i<nb_ostreams;i++) {
2067 fclose(ost->logfile);
2068 ost->logfile = NULL;
2070 av_fifo_free(&ost->fifo); /* works even if fifo is not
2071 initialized but set to zero */
2072 av_free(ost->pict_tmp.data[0]);
2073 if (ost->video_resample)
2074 sws_freeContext(ost->img_resample_ctx);
2076 audio_resample_close(ost->resample);
2084 ret = AVERROR(ENOMEM);
2089 int file_read(const char *filename)
2092 unsigned char buffer[1024];
2095 if (url_open(&h, filename, O_RDONLY) < 0) {
2096 printf("could not open '%s'\n", filename);
2100 len = url_read(h, buffer, sizeof(buffer));
2103 for(i=0;i<len;i++) putchar(buffer[i]);
2110 static void opt_format(const char *arg)
2112 /* compatibility stuff for pgmyuv */
2113 if (!strcmp(arg, "pgmyuv")) {
2114 pgmyuv_compatibility_hack=1;
2115 // opt_image_format(arg);
2117 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2120 file_iformat = av_find_input_format(arg);
2121 file_oformat = guess_format(arg, NULL, NULL);
2122 if (!file_iformat && !file_oformat) {
2123 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2128 extern int ffm_nopts;
2130 static int opt_default(const char *opt, const char *arg){
2132 const AVOption *o= NULL;
2133 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2135 for(type=0; type<CODEC_TYPE_NB; type++){
2136 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2138 o = av_set_string(avctx_opts[type], opt, arg);
2141 o = av_set_string(avformat_opts, opt, arg);
2143 o = av_set_string(sws_opts, opt, arg);
2146 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2147 else if(opt[0] == 'v')
2148 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2149 else if(opt[0] == 's')
2150 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2155 // 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));
2157 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2158 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2159 opt_names[opt_name_count++]= o->name;
2161 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2162 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2163 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2167 if(avctx_opts[0]->debug)
2168 av_log_set_level(AV_LOG_DEBUG);
2172 static void opt_video_rc_override_string(const char *arg)
2174 video_rc_override_string = arg;
2177 static void opt_me_threshold(const char *arg)
2179 me_threshold = atoi(arg);
2182 static void opt_verbose(const char *arg)
2184 verbose = atoi(arg);
2185 av_log_set_level(verbose);
2188 static void opt_frame_rate(const char *arg)
2190 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2191 fprintf(stderr, "Incorrect frame rate\n");
2196 static int opt_bitrate(const char *opt, const char *arg)
2198 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2200 opt_default(opt, arg);
2202 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2203 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2208 static void opt_frame_crop_top(const char *arg)
2210 frame_topBand = atoi(arg);
2211 if (frame_topBand < 0) {
2212 fprintf(stderr, "Incorrect top crop size\n");
2215 if ((frame_topBand % 2) != 0) {
2216 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2219 if ((frame_topBand) >= frame_height){
2220 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2223 frame_height -= frame_topBand;
2226 static void opt_frame_crop_bottom(const char *arg)
2228 frame_bottomBand = atoi(arg);
2229 if (frame_bottomBand < 0) {
2230 fprintf(stderr, "Incorrect bottom crop size\n");
2233 if ((frame_bottomBand % 2) != 0) {
2234 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2237 if ((frame_bottomBand) >= frame_height){
2238 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2241 frame_height -= frame_bottomBand;
2244 static void opt_frame_crop_left(const char *arg)
2246 frame_leftBand = atoi(arg);
2247 if (frame_leftBand < 0) {
2248 fprintf(stderr, "Incorrect left crop size\n");
2251 if ((frame_leftBand % 2) != 0) {
2252 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2255 if ((frame_leftBand) >= frame_width){
2256 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2259 frame_width -= frame_leftBand;
2262 static void opt_frame_crop_right(const char *arg)
2264 frame_rightBand = atoi(arg);
2265 if (frame_rightBand < 0) {
2266 fprintf(stderr, "Incorrect right crop size\n");
2269 if ((frame_rightBand % 2) != 0) {
2270 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2273 if ((frame_rightBand) >= frame_width){
2274 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2277 frame_width -= frame_rightBand;
2280 static void opt_frame_size(const char *arg)
2282 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2283 fprintf(stderr, "Incorrect frame size\n");
2286 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2287 fprintf(stderr, "Frame size must be a multiple of 2\n");
2293 #define SCALEBITS 10
2294 #define ONE_HALF (1 << (SCALEBITS - 1))
2295 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2297 #define RGB_TO_Y(r, g, b) \
2298 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2299 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2301 #define RGB_TO_U(r1, g1, b1, shift)\
2302 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2303 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2305 #define RGB_TO_V(r1, g1, b1, shift)\
2306 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2307 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2309 static void opt_pad_color(const char *arg) {
2310 /* Input is expected to be six hex digits similar to
2311 how colors are expressed in html tags (but without the #) */
2312 int rgb = strtol(arg, NULL, 16);
2316 g = ((rgb >> 8) & 255);
2319 padcolor[0] = RGB_TO_Y(r,g,b);
2320 padcolor[1] = RGB_TO_U(r,g,b,0);
2321 padcolor[2] = RGB_TO_V(r,g,b,0);
2324 static void opt_frame_pad_top(const char *arg)
2326 frame_padtop = atoi(arg);
2327 if (frame_padtop < 0) {
2328 fprintf(stderr, "Incorrect top pad size\n");
2331 if ((frame_padtop % 2) != 0) {
2332 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2337 static void opt_frame_pad_bottom(const char *arg)
2339 frame_padbottom = atoi(arg);
2340 if (frame_padbottom < 0) {
2341 fprintf(stderr, "Incorrect bottom pad size\n");
2344 if ((frame_padbottom % 2) != 0) {
2345 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2351 static void opt_frame_pad_left(const char *arg)
2353 frame_padleft = atoi(arg);
2354 if (frame_padleft < 0) {
2355 fprintf(stderr, "Incorrect left pad size\n");
2358 if ((frame_padleft % 2) != 0) {
2359 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2365 static void opt_frame_pad_right(const char *arg)
2367 frame_padright = atoi(arg);
2368 if (frame_padright < 0) {
2369 fprintf(stderr, "Incorrect right pad size\n");
2372 if ((frame_padright % 2) != 0) {
2373 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2378 void list_pix_fmts(void)
2381 char pix_fmt_str[128];
2382 for (i=-1; i < PIX_FMT_NB; i++) {
2383 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2384 fprintf(stdout, "%s\n", pix_fmt_str);
2388 static void opt_frame_pix_fmt(const char *arg)
2390 if (strcmp(arg, "list"))
2391 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2398 static void opt_frame_aspect_ratio(const char *arg)
2405 p = strchr(arg, ':');
2407 x = strtol(arg, &end, 10);
2409 y = strtol(end+1, &end, 10);
2411 ar = (double)x / (double)y;
2413 ar = strtod(arg, NULL);
2416 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2419 frame_aspect_ratio = ar;
2422 static void opt_qscale(const char *arg)
2424 video_qscale = atof(arg);
2425 if (video_qscale <= 0 ||
2426 video_qscale > 255) {
2427 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2432 static void opt_qdiff(const char *arg)
2434 video_qdiff = atoi(arg);
2435 if (video_qdiff < 0 ||
2437 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2442 static void opt_strict(const char *arg)
2447 static void opt_top_field_first(const char *arg)
2449 top_field_first= atoi(arg);
2452 static void opt_thread_count(const char *arg)
2454 thread_count= atoi(arg);
2455 #if !defined(HAVE_THREADS)
2457 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2461 static void opt_audio_rate(const char *arg)
2463 audio_sample_rate = atoi(arg);
2466 static void opt_audio_channels(const char *arg)
2468 audio_channels = atoi(arg);
2471 static void opt_video_channel(const char *arg)
2473 video_channel = strtol(arg, NULL, 0);
2476 static void opt_video_standard(const char *arg)
2478 video_standard = av_strdup(arg);
2481 static void opt_codec(int *pstream_copy, char **pcodec_name,
2482 int codec_type, const char *arg)
2484 av_freep(pcodec_name);
2485 if (!strcmp(arg, "copy")) {
2488 *pcodec_name = av_strdup(arg);
2492 static void opt_audio_codec(const char *arg)
2494 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2497 static void opt_audio_tag(const char *arg)
2500 audio_codec_tag= strtol(arg, &tail, 0);
2503 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2506 static void opt_video_tag(const char *arg)
2509 video_codec_tag= strtol(arg, &tail, 0);
2512 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2516 static void add_frame_hooker(const char *arg)
2521 char *args = av_strdup(arg);
2525 argv[0] = strtok(args, " ");
2526 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2529 i = frame_hook_add(argc, argv);
2532 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2538 static void opt_video_codec(const char *arg)
2540 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2543 static void opt_subtitle_codec(const char *arg)
2545 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2548 static void opt_map(const char *arg)
2553 m = &stream_maps[nb_stream_maps++];
2555 m->file_index = strtol(arg, &p, 0);
2559 m->stream_index = strtol(p, &p, 0);
2562 m->sync_file_index = strtol(p, &p, 0);
2565 m->sync_stream_index = strtol(p, &p, 0);
2567 m->sync_file_index = m->file_index;
2568 m->sync_stream_index = m->stream_index;
2572 static void opt_map_meta_data(const char *arg)
2577 m = &meta_data_maps[nb_meta_data_maps++];
2579 m->out_file = strtol(arg, &p, 0);
2583 m->in_file = strtol(p, &p, 0);
2586 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2588 int64_t us = parse_date(timestr, is_duration);
2589 if (us == INT64_MIN) {
2590 fprintf(stderr, "Invalid %s specification: %s\n",
2591 is_duration ? "duration" : "date", timestr);
2597 static void opt_recording_time(const char *arg)
2599 recording_time = parse_time_or_die(arg, 1);
2602 static void opt_start_time(const char *arg)
2604 start_time = parse_time_or_die(arg, 1);
2607 static void opt_rec_timestamp(const char *arg)
2609 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2612 static void opt_input_ts_offset(const char *arg)
2614 input_ts_offset = parse_time_or_die(arg, 1);
2617 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2619 const char *codec_string = encoder ? "encoder" : "decoder";
2623 return CODEC_ID_NONE;
2625 avcodec_find_encoder_by_name(name) :
2626 avcodec_find_decoder_by_name(name);
2628 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2631 if(codec->type != type) {
2632 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2638 static void opt_input_file(const char *filename)
2640 AVFormatContext *ic;
2641 AVFormatParameters params, *ap = ¶ms;
2642 int err, i, ret, rfps, rfps_base;
2645 if (!strcmp(filename, "-"))
2648 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2649 !strcmp( filename, "/dev/stdin" );
2651 /* get default parameters from command line */
2652 ic = av_alloc_format_context();
2654 memset(ap, 0, sizeof(*ap));
2655 ap->prealloced_context = 1;
2656 ap->sample_rate = audio_sample_rate;
2657 ap->channels = audio_channels;
2658 ap->time_base.den = frame_rate.num;
2659 ap->time_base.num = frame_rate.den;
2660 ap->width = frame_width + frame_padleft + frame_padright;
2661 ap->height = frame_height + frame_padtop + frame_padbottom;
2662 ap->pix_fmt = frame_pix_fmt;
2663 ap->channel = video_channel;
2664 ap->standard = video_standard;
2665 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2666 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2667 if(pgmyuv_compatibility_hack)
2668 ap->video_codec_id= CODEC_ID_PGMYUV;
2670 for(i=0; i<opt_name_count; i++){
2672 const AVOption *opt;
2673 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2674 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2675 av_set_string(ic, opt_names[i], str);
2678 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2679 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2680 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2682 /* open the input file with generic libav function */
2683 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2685 print_error(filename, err);
2690 for(i=0; i<ic->nb_programs; i++)
2691 if(ic->programs[i]->id != opt_programid)
2692 ic->programs[i]->discard = AVDISCARD_ALL;
2695 ic->loop_input = loop_input;
2697 /* If not enough info to get the stream parameters, we decode the
2698 first frames to get it. (used in mpeg case for example) */
2699 ret = av_find_stream_info(ic);
2700 if (ret < 0 && verbose >= 0) {
2701 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2705 timestamp = start_time;
2706 /* add the stream start time */
2707 if (ic->start_time != AV_NOPTS_VALUE)
2708 timestamp += ic->start_time;
2710 /* if seeking requested, we execute it */
2711 if (start_time != 0) {
2712 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2714 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2715 filename, (double)timestamp / AV_TIME_BASE);
2717 /* reset seek info */
2721 /* update the current parameters so that they match the one of the input stream */
2722 for(i=0;i<ic->nb_streams;i++) {
2724 AVCodecContext *enc = ic->streams[i]->codec;
2726 avcodec_thread_init(enc, thread_count);
2727 enc->thread_count= thread_count;
2728 switch(enc->codec_type) {
2729 case CODEC_TYPE_AUDIO:
2730 for(j=0; j<opt_name_count; j++){
2732 const AVOption *opt;
2733 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2734 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2735 av_set_string(enc, opt_names[j], str);
2737 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2738 audio_channels = enc->channels;
2739 audio_sample_rate = enc->sample_rate;
2741 ic->streams[i]->discard= AVDISCARD_ALL;
2743 case CODEC_TYPE_VIDEO:
2744 for(j=0; j<opt_name_count; j++){
2746 const AVOption *opt;
2747 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2748 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2749 av_set_string(enc, opt_names[j], str);
2751 frame_height = enc->height;
2752 frame_width = enc->width;
2753 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2754 frame_pix_fmt = enc->pix_fmt;
2755 rfps = ic->streams[i]->r_frame_rate.num;
2756 rfps_base = ic->streams[i]->r_frame_rate.den;
2757 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2759 enc->debug |= FF_DEBUG_MV;
2761 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2764 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2765 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2767 (float)rfps / rfps_base, rfps, rfps_base);
2769 /* update the current frame rate to match the stream frame rate */
2770 frame_rate.num = rfps;
2771 frame_rate.den = rfps_base;
2773 enc->rate_emu = rate_emu;
2775 ic->streams[i]->discard= AVDISCARD_ALL;
2776 else if(video_discard)
2777 ic->streams[i]->discard= video_discard;
2779 case CODEC_TYPE_DATA:
2781 case CODEC_TYPE_SUBTITLE:
2782 if(subtitle_disable)
2783 ic->streams[i]->discard = AVDISCARD_ALL;
2785 case CODEC_TYPE_ATTACHMENT:
2786 case CODEC_TYPE_UNKNOWN:
2793 input_files[nb_input_files] = ic;
2794 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2795 /* dump the file content */
2797 dump_format(ic, nb_input_files, filename, 0);
2800 file_iformat = NULL;
2801 file_oformat = NULL;
2806 av_freep(&video_codec_name);
2807 av_freep(&audio_codec_name);
2808 av_freep(&subtitle_codec_name);
2811 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2812 int *has_subtitle_ptr)
2814 int has_video, has_audio, has_subtitle, i, j;
2815 AVFormatContext *ic;
2820 for(j=0;j<nb_input_files;j++) {
2821 ic = input_files[j];
2822 for(i=0;i<ic->nb_streams;i++) {
2823 AVCodecContext *enc = ic->streams[i]->codec;
2824 switch(enc->codec_type) {
2825 case CODEC_TYPE_AUDIO:
2828 case CODEC_TYPE_VIDEO:
2831 case CODEC_TYPE_SUBTITLE:
2834 case CODEC_TYPE_DATA:
2835 case CODEC_TYPE_ATTACHMENT:
2836 case CODEC_TYPE_UNKNOWN:
2843 *has_video_ptr = has_video;
2844 *has_audio_ptr = has_audio;
2845 *has_subtitle_ptr = has_subtitle;
2848 static void new_video_stream(AVFormatContext *oc)
2851 AVCodecContext *video_enc;
2854 st = av_new_stream(oc, oc->nb_streams);
2856 fprintf(stderr, "Could not alloc stream\n");
2859 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2860 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2861 video_bitstream_filters= NULL;
2864 avcodec_thread_init(st->codec, thread_count);
2866 video_enc = st->codec;
2869 video_enc->codec_tag= video_codec_tag;
2871 if( (video_global_header&1)
2872 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2873 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2874 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2876 if(video_global_header&2){
2877 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2878 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2881 if (video_stream_copy) {
2882 st->stream_copy = 1;
2883 video_enc->codec_type = CODEC_TYPE_VIDEO;
2888 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2890 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2891 if (video_codec_name)
2892 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2894 video_enc->codec_id = codec_id;
2895 codec = avcodec_find_encoder(codec_id);
2897 for(i=0; i<opt_name_count; i++){
2899 const AVOption *opt;
2900 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2901 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2902 av_set_string(video_enc, opt_names[i], str);
2905 video_enc->time_base.den = fps.num;
2906 video_enc->time_base.num = fps.den;
2907 if(codec && codec->supported_framerates){
2908 const AVRational *p= codec->supported_framerates;
2909 const AVRational *best=NULL;
2910 AVRational best_error= (AVRational){INT_MAX, 1};
2911 for(; p->den!=0; p++){
2912 AVRational error= av_sub_q(fps, *p);
2913 if(error.num <0) error.num *= -1;
2914 if(av_cmp_q(error, best_error) < 0){
2919 video_enc->time_base.den= best->num;
2920 video_enc->time_base.num= best->den;
2923 video_enc->width = frame_width + frame_padright + frame_padleft;
2924 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2925 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2926 video_enc->pix_fmt = frame_pix_fmt;
2928 if(codec && codec->pix_fmts){
2929 const enum PixelFormat *p= codec->pix_fmts;
2931 if(*p == video_enc->pix_fmt)
2935 video_enc->pix_fmt = codec->pix_fmts[0];
2939 video_enc->gop_size = 0;
2940 if (video_qscale || same_quality) {
2941 video_enc->flags |= CODEC_FLAG_QSCALE;
2942 video_enc->global_quality=
2943 st->quality = FF_QP2LAMBDA * video_qscale;
2947 video_enc->intra_matrix = intra_matrix;
2949 video_enc->inter_matrix = inter_matrix;
2951 video_enc->max_qdiff = video_qdiff;
2952 video_enc->thread_count = thread_count;
2953 p= video_rc_override_string;
2956 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2958 fprintf(stderr, "error parsing rc_override\n");
2961 video_enc->rc_override=
2962 av_realloc(video_enc->rc_override,
2963 sizeof(RcOverride)*(i+1));
2964 video_enc->rc_override[i].start_frame= start;
2965 video_enc->rc_override[i].end_frame = end;
2967 video_enc->rc_override[i].qscale= q;
2968 video_enc->rc_override[i].quality_factor= 1.0;
2971 video_enc->rc_override[i].qscale= 0;
2972 video_enc->rc_override[i].quality_factor= -q/100.0;
2977 video_enc->rc_override_count=i;
2978 if (!video_enc->rc_initial_buffer_occupancy)
2979 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2980 video_enc->me_threshold= me_threshold;
2981 video_enc->intra_dc_precision= intra_dc_precision - 8;
2982 video_enc->strict_std_compliance = strict;
2985 video_enc->flags|= CODEC_FLAG_PSNR;
2990 video_enc->flags |= CODEC_FLAG_PASS1;
2992 video_enc->flags |= CODEC_FLAG_PASS2;
2997 /* reset some key parameters */
2999 av_freep(&video_codec_name);
3000 video_stream_copy = 0;
3003 static void new_audio_stream(AVFormatContext *oc)
3006 AVCodecContext *audio_enc;
3009 st = av_new_stream(oc, oc->nb_streams);
3011 fprintf(stderr, "Could not alloc stream\n");
3014 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3016 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3017 audio_bitstream_filters= NULL;
3020 avcodec_thread_init(st->codec, thread_count);
3022 audio_enc = st->codec;
3023 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3024 audio_enc->strict_std_compliance = strict;
3027 audio_enc->codec_tag= audio_codec_tag;
3029 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3030 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3031 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3033 if (audio_stream_copy) {
3034 st->stream_copy = 1;
3035 audio_enc->channels = audio_channels;
3037 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3039 for(i=0; i<opt_name_count; i++){
3041 const AVOption *opt;
3042 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3043 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3044 av_set_string(audio_enc, opt_names[i], str);
3047 if (audio_codec_name)
3048 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3049 audio_enc->codec_id = codec_id;
3051 if (audio_qscale > QSCALE_NONE) {
3052 audio_enc->flags |= CODEC_FLAG_QSCALE;
3053 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3055 audio_enc->thread_count = thread_count;
3056 audio_enc->channels = audio_channels;
3058 audio_enc->sample_rate = audio_sample_rate;
3059 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3060 if (audio_language) {
3061 av_strlcpy(st->language, audio_language, sizeof(st->language));
3062 av_free(audio_language);
3063 audio_language = NULL;
3066 /* reset some key parameters */
3068 av_freep(&audio_codec_name);
3069 audio_stream_copy = 0;
3072 static void new_subtitle_stream(AVFormatContext *oc)
3075 AVCodecContext *subtitle_enc;
3078 st = av_new_stream(oc, oc->nb_streams);
3080 fprintf(stderr, "Could not alloc stream\n");
3083 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3085 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3086 subtitle_bitstream_filters= NULL;
3088 subtitle_enc = st->codec;
3089 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3090 if (subtitle_stream_copy) {
3091 st->stream_copy = 1;
3093 for(i=0; i<opt_name_count; i++){
3095 const AVOption *opt;
3096 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3097 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3098 av_set_string(subtitle_enc, opt_names[i], str);
3100 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3103 if (subtitle_language) {
3104 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3105 av_free(subtitle_language);
3106 subtitle_language = NULL;
3109 subtitle_disable = 0;
3110 av_freep(&subtitle_codec_name);
3111 subtitle_stream_copy = 0;
3114 static void opt_new_audio_stream(void)
3116 AVFormatContext *oc;
3117 if (nb_output_files <= 0) {
3118 fprintf(stderr, "At least one output file must be specified\n");
3121 oc = output_files[nb_output_files - 1];
3122 new_audio_stream(oc);
3125 static void opt_new_video_stream(void)
3127 AVFormatContext *oc;
3128 if (nb_output_files <= 0) {
3129 fprintf(stderr, "At least one output file must be specified\n");
3132 oc = output_files[nb_output_files - 1];
3133 new_video_stream(oc);
3136 static void opt_new_subtitle_stream(void)
3138 AVFormatContext *oc;
3139 if (nb_output_files <= 0) {
3140 fprintf(stderr, "At least one output file must be specified\n");
3143 oc = output_files[nb_output_files - 1];
3144 new_subtitle_stream(oc);
3147 static void opt_output_file(const char *filename)
3149 AVFormatContext *oc;
3150 int use_video, use_audio, use_subtitle;
3151 int input_has_video, input_has_audio, input_has_subtitle, i;
3152 AVFormatParameters params, *ap = ¶ms;
3154 if (!strcmp(filename, "-"))
3157 oc = av_alloc_format_context();
3159 if (!file_oformat) {
3160 file_oformat = guess_format(NULL, filename, NULL);
3161 if (!file_oformat) {
3162 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3168 oc->oformat = file_oformat;
3169 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3171 if (!strcmp(file_oformat->name, "ffm") &&
3172 av_strstart(filename, "http:", NULL)) {
3173 /* special case for files sent to ffserver: we get the stream
3174 parameters from ffserver */
3175 if (read_ffserver_streams(oc, filename) < 0) {
3176 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3180 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3181 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3182 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3184 /* disable if no corresponding type found and at least one
3186 if (nb_input_files > 0) {
3187 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3188 &input_has_subtitle);
3189 if (!input_has_video)
3191 if (!input_has_audio)
3193 if (!input_has_subtitle)
3197 /* manual disable */
3198 if (audio_disable) {
3201 if (video_disable) {
3204 if (subtitle_disable) {
3209 new_video_stream(oc);
3213 new_audio_stream(oc);
3217 new_subtitle_stream(oc);
3220 oc->timestamp = rec_timestamp;
3223 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3225 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3227 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3229 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3231 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3233 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3236 output_files[nb_output_files++] = oc;
3238 /* check filename in case of an image number is expected */
3239 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3240 if (!av_filename_number_test(oc->filename)) {
3241 print_error(oc->filename, AVERROR_NUMEXPECTED);
3246 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3247 /* test if it already exists to avoid loosing precious files */
3248 if (!file_overwrite &&
3249 (strchr(filename, ':') == NULL ||
3250 filename[1] == ':' ||
3251 av_strstart(filename, "file:", NULL))) {
3252 if (url_exist(filename)) {
3255 if ( !using_stdin ) {
3256 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3259 if (toupper(c) != 'Y') {
3260 fprintf(stderr, "Not overwriting - exiting\n");
3265 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3272 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3273 fprintf(stderr, "Could not open '%s'\n", filename);
3278 memset(ap, 0, sizeof(*ap));
3279 if (av_set_parameters(oc, ap) < 0) {
3280 fprintf(stderr, "%s: Invalid encoding parameters\n",
3285 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3286 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3287 oc->loop_output = loop_output;
3289 for(i=0; i<opt_name_count; i++){
3291 const AVOption *opt;
3292 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3293 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3294 av_set_string(oc, opt_names[i], str);
3297 /* reset some options */
3298 file_oformat = NULL;
3299 file_iformat = NULL;
3302 /* same option as mencoder */
3303 static void opt_pass(const char *pass_str)
3306 pass = atoi(pass_str);
3307 if (pass != 1 && pass != 2) {
3308 fprintf(stderr, "pass number can be only 1 or 2\n");
3314 static int64_t getutime(void)
3316 #ifdef HAVE_GETRUSAGE
3317 struct rusage rusage;
3319 getrusage(RUSAGE_SELF, &rusage);
3320 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3321 #elif defined(HAVE_GETPROCESSTIMES)
3323 FILETIME c, e, k, u;
3324 proc = GetCurrentProcess();
3325 GetProcessTimes(proc, &c, &e, &k, &u);
3326 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3328 return av_gettime();
3332 static void opt_show_formats(void)
3334 AVInputFormat *ifmt=NULL;
3335 AVOutputFormat *ofmt=NULL;
3336 URLProtocol *up=NULL;
3337 AVCodec *p=NULL, *p2;
3338 AVBitStreamFilter *bsf=NULL;
3339 const char *last_name;
3341 printf("File formats:\n");
3346 const char *name=NULL;
3347 const char *long_name=NULL;
3349 while((ofmt= av_oformat_next(ofmt))) {
3350 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3351 strcmp(ofmt->name, last_name)>0){
3353 long_name= ofmt->long_name;
3357 while((ifmt= av_iformat_next(ifmt))) {
3358 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3359 strcmp(ifmt->name, last_name)>0){
3361 long_name= ifmt->long_name;
3364 if(name && strcmp(ifmt->name, name)==0)
3376 long_name ? long_name:" ");
3380 printf("Codecs:\n");
3386 const char *type_str;
3389 while((p= av_codec_next(p))) {
3390 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3391 strcmp(p->name, last_name)>0){
3393 decode= encode= cap=0;
3395 if(p2 && strcmp(p->name, p2->name)==0){
3396 if(p->decode) decode=1;
3397 if(p->encode) encode=1;
3398 cap |= p->capabilities;
3403 last_name= p2->name;
3406 case CODEC_TYPE_VIDEO:
3409 case CODEC_TYPE_AUDIO:
3412 case CODEC_TYPE_SUBTITLE:
3421 decode ? "D": (/*p2->decoder ? "d":*/" "),
3424 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3425 cap & CODEC_CAP_DR1 ? "D":" ",
3426 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3428 /* if(p2->decoder && decode==0)
3429 printf(" use %s for decoding", p2->decoder->name);*/
3434 printf("Bitstream filters:\n");
3435 while((bsf = av_bitstream_filter_next(bsf)))
3436 printf(" %s", bsf->name);
3439 printf("Supported file protocols:\n");
3440 while((up = av_protocol_next(up)))
3441 printf(" %s:", up->name);
3444 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3447 "Note, the names of encoders and decoders do not always match, so there are\n"
3448 "several cases where the above table shows encoder only or decoder only entries\n"
3449 "even though both encoding and decoding are supported. For example, the h263\n"
3450 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3455 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3458 const char *p = str;
3465 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3472 static void opt_inter_matrix(const char *arg)
3474 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3475 parse_matrix_coeffs(inter_matrix, arg);
3478 static void opt_intra_matrix(const char *arg)
3480 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3481 parse_matrix_coeffs(intra_matrix, arg);
3485 * Trivial log callback.
3486 * Only suitable for show_help and similar since it lacks prefix handling.
3488 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3490 vfprintf(stdout, fmt, vl);
3493 static void show_help(void)
3495 av_log_set_callback(log_callback_help);
3496 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3497 "Hyper fast Audio and Video encoder\n");
3499 show_help_options(options, "Main options:\n",
3500 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3501 show_help_options(options, "\nVideo options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3504 show_help_options(options, "\nAdvanced Video options:\n",
3505 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 OPT_VIDEO | OPT_EXPERT);
3507 show_help_options(options, "\nAudio options:\n",
3508 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3510 show_help_options(options, "\nAdvanced Audio options:\n",
3511 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3512 OPT_AUDIO | OPT_EXPERT);
3513 show_help_options(options, "\nSubtitle options:\n",
3514 OPT_SUBTITLE | OPT_GRAB,
3516 show_help_options(options, "\nAudio/Video grab options:\n",
3519 show_help_options(options, "\nAdvanced options:\n",
3520 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3522 av_opt_show(avctx_opts[0], NULL);
3523 av_opt_show(avformat_opts, NULL);
3524 av_opt_show(sws_opts, NULL);
3527 static void opt_show_help(void)
3533 static void opt_target(const char *arg)
3536 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3538 if(!strncmp(arg, "pal-", 4)) {
3541 } else if(!strncmp(arg, "ntsc-", 5)) {
3544 } else if(!strncmp(arg, "film-", 5)) {
3549 /* Calculate FR via float to avoid int overflow */
3550 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3553 } else if((fr == 29970) || (fr == 23976)) {
3556 /* Try to determine PAL/NTSC by peeking in the input files */
3557 if(nb_input_files) {
3559 for(j = 0; j < nb_input_files; j++) {
3560 for(i = 0; i < input_files[j]->nb_streams; i++) {
3561 AVCodecContext *c = input_files[j]->streams[i]->codec;
3562 if(c->codec_type != CODEC_TYPE_VIDEO)
3564 fr = c->time_base.den * 1000 / c->time_base.num;
3568 } else if((fr == 29970) || (fr == 23976)) {
3578 if(verbose && norm >= 0)
3579 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3583 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3584 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3585 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3589 if(!strcmp(arg, "vcd")) {
3591 opt_video_codec("mpeg1video");
3592 opt_audio_codec("mp2");
3595 opt_frame_size(norm ? "352x240" : "352x288");
3596 opt_frame_rate(frame_rates[norm]);
3597 opt_default("gop", norm ? "18" : "15");
3599 opt_default("b", "1150000");
3600 opt_default("maxrate", "1150000");
3601 opt_default("minrate", "1150000");
3602 opt_default("bufsize", "327680"); // 40*1024*8;
3604 opt_default("ab", "224000");
3605 audio_sample_rate = 44100;
3608 opt_default("packetsize", "2324");
3609 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3611 /* We have to offset the PTS, so that it is consistent with the SCR.
3612 SCR starts at 36000, but the first two packs contain only padding
3613 and the first pack from the other stream, respectively, may also have
3614 been written before.
3615 So the real data starts at SCR 36000+3*1200. */
3616 mux_preload= (36000+3*1200) / 90000.0; //0.44
3617 } else if(!strcmp(arg, "svcd")) {
3619 opt_video_codec("mpeg2video");
3620 opt_audio_codec("mp2");
3623 opt_frame_size(norm ? "480x480" : "480x576");
3624 opt_frame_rate(frame_rates[norm]);
3625 opt_default("gop", norm ? "18" : "15");
3627 opt_default("b", "2040000");
3628 opt_default("maxrate", "2516000");
3629 opt_default("minrate", "0"); //1145000;
3630 opt_default("bufsize", "1835008"); //224*1024*8;
3631 opt_default("flags", "+SCAN_OFFSET");
3634 opt_default("ab", "224000");
3635 audio_sample_rate = 44100;
3637 opt_default("packetsize", "2324");
3639 } else if(!strcmp(arg, "dvd")) {
3641 opt_video_codec("mpeg2video");
3642 opt_audio_codec("ac3");
3645 opt_frame_size(norm ? "720x480" : "720x576");
3646 opt_frame_rate(frame_rates[norm]);
3647 opt_default("gop", norm ? "18" : "15");
3649 opt_default("b", "6000000");
3650 opt_default("maxrate", "9000000");
3651 opt_default("minrate", "0"); //1500000;
3652 opt_default("bufsize", "1835008"); //224*1024*8;
3654 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3655 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3657 opt_default("ab", "448000");
3658 audio_sample_rate = 48000;
3660 } else if(!strncmp(arg, "dv", 2)) {
3664 opt_frame_size(norm ? "720x480" : "720x576");
3665 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3666 (norm ? "yuv411p" : "yuv420p"));
3667 opt_frame_rate(frame_rates[norm]);
3669 audio_sample_rate = 48000;
3673 fprintf(stderr, "Unknown target: %s\n", arg);
3678 static void opt_vstats_file (const char *arg)
3680 av_free (vstats_filename);
3681 vstats_filename=av_strdup (arg);
3684 static void opt_vstats (void)
3687 time_t today2 = time(NULL);
3688 struct tm *today = localtime(&today2);
3690 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3692 opt_vstats_file(filename);
3695 static int opt_bsf(const char *opt, const char *arg)
3697 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3698 AVBitStreamFilterContext **bsfp;
3701 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3705 bsfp= *opt == 'v' ? &video_bitstream_filters :
3706 *opt == 'a' ? &audio_bitstream_filters :
3707 &subtitle_bitstream_filters;
3709 bsfp= &(*bsfp)->next;
3716 static void opt_show_license(void)
3722 static void opt_show_version(void)
3724 show_version(program_name);
3728 const OptionDef options[] = {
3730 { "L", 0, {(void*)opt_show_license}, "show license" },
3731 { "h", 0, {(void*)opt_show_help}, "show help" },
3732 { "version", 0, {(void*)opt_show_version}, "show version" },
3733 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3734 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3735 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3736 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3737 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3738 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3739 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3740 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3741 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3742 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3743 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3744 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3745 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3746 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3747 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3748 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3749 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3750 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3751 "add timings for benchmarking" },
3752 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3753 "dump each input packet" },
3754 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3755 "when dumping packets, also dump the payload" },
3756 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3757 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3758 { "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)", "" },
3759 { "v", HAS_ARG, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3760 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3761 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3762 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3763 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3764 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3765 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3766 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3767 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3768 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3769 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3772 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3773 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3774 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3775 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3776 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3777 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3778 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3779 { "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" },
3780 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3781 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3782 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3783 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3784 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3785 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3786 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3787 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3788 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3789 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3790 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3791 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3792 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3793 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3794 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3795 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3796 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3797 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3798 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3799 "use same video quality as source (implies VBR)" },
3800 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3801 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3802 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3803 "deinterlace pictures" },
3804 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3805 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3806 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3808 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3810 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3811 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3812 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3813 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3814 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3815 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3816 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3819 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3820 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3821 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3822 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3823 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3824 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3825 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3826 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3827 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3828 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3829 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3831 /* subtitle options */
3832 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3833 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3834 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3835 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3838 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3839 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3840 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3843 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3844 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3846 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3847 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3848 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3850 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3854 static int av_exit()
3859 for(i=0;i<nb_output_files;i++) {
3860 /* maybe av_close_output_file ??? */
3861 AVFormatContext *s = output_files[i];
3863 if (!(s->oformat->flags & AVFMT_NOFILE))
3865 for(j=0;j<s->nb_streams;j++) {
3866 av_free(s->streams[j]->codec);
3867 av_free(s->streams[j]);
3871 for(i=0;i<nb_input_files;i++)
3872 av_close_input_file(input_files[i]);
3876 av_free(intra_matrix);
3877 av_free(inter_matrix);
3880 fclose(vstats_file);
3881 av_free(vstats_filename);
3885 av_free(video_codec_name);
3886 av_free(audio_codec_name);
3887 av_free(subtitle_codec_name);
3889 av_free(video_standard);
3891 #ifdef CONFIG_POWERPC_PERF
3892 extern void powerpc_display_perf_report(void);
3893 powerpc_display_perf_report();
3894 #endif /* CONFIG_POWERPC_PERF */
3896 if (received_sigterm) {
3898 "Received signal %d: terminating.\n",
3899 (int) received_sigterm);
3903 exit(0); /* not all OS-es handle main() return value */
3907 int main(int argc, char **argv)
3912 avcodec_register_all();
3913 avdevice_register_all();
3916 for(i=0; i<CODEC_TYPE_NB; i++){
3917 avctx_opts[i]= avcodec_alloc_context2(i);
3919 avformat_opts = av_alloc_format_context();
3920 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3922 show_banner(program_name, program_birth_year);
3929 parse_options(argc, argv, options, opt_output_file);
3931 /* file converter / grab */
3932 if (nb_output_files <= 0) {
3933 fprintf(stderr, "Must supply at least one output file\n");
3937 if (nb_input_files == 0) {
3938 fprintf(stderr, "Must supply at least one input file\n");
3943 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3944 stream_maps, nb_stream_maps);
3945 ti = getutime() - ti;
3947 printf("bench: utime=%0.3fs\n", ti / 1000000.0);