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_write(&ost->fifo, buftmp, size_out);
541 frame_bytes = enc->frame_size * 2 * enc->channels;
543 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
545 av_init_packet(&pkt);
547 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
549 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
552 pkt.stream_index= ost->index;
555 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
556 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
557 pkt.flags |= PKT_FLAG_KEY;
558 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
560 ost->sync_opts += enc->frame_size;
564 av_init_packet(&pkt);
566 ost->sync_opts += size_out / (2 * enc->channels);
568 /* output a pcm frame */
569 /* XXX: change encoding codec API to avoid this ? */
570 switch(enc->codec->id) {
571 case CODEC_ID_PCM_S32LE:
572 case CODEC_ID_PCM_S32BE:
573 case CODEC_ID_PCM_U32LE:
574 case CODEC_ID_PCM_U32BE:
575 size_out = size_out << 1;
577 case CODEC_ID_PCM_S24LE:
578 case CODEC_ID_PCM_S24BE:
579 case CODEC_ID_PCM_U24LE:
580 case CODEC_ID_PCM_U24BE:
581 case CODEC_ID_PCM_S24DAUD:
582 size_out = size_out / 2 * 3;
584 case CODEC_ID_PCM_S16LE:
585 case CODEC_ID_PCM_S16BE:
586 case CODEC_ID_PCM_U16LE:
587 case CODEC_ID_PCM_U16BE:
590 size_out = size_out >> 1;
593 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
594 ret = avcodec_encode_audio(enc, audio_out, size_out,
597 pkt.stream_index= ost->index;
600 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
601 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
602 pkt.flags |= PKT_FLAG_KEY;
603 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
607 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
611 AVPicture picture_tmp;
614 dec = ist->st->codec;
616 /* deinterlace : must be done before any resize */
617 if (do_deinterlace || using_vhook) {
620 /* create temporary picture */
621 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
622 buf = av_malloc(size);
626 picture2 = &picture_tmp;
627 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
630 if(avpicture_deinterlace(picture2, picture,
631 dec->pix_fmt, dec->width, dec->height) < 0) {
632 /* if error, do not deinterlace */
638 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
645 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
646 1000000 * ist->pts / AV_TIME_BASE);
648 if (picture != picture2)
649 *picture = *picture2;
653 /* we begin to correct av delay at this threshold */
654 #define AV_DELAY_MAX 0.100
656 static void do_subtitle_out(AVFormatContext *s,
662 static uint8_t *subtitle_out = NULL;
663 int subtitle_out_max_size = 65536;
664 int subtitle_out_size, nb, i;
668 if (pts == AV_NOPTS_VALUE) {
669 fprintf(stderr, "Subtitle packets must have a pts\n");
673 enc = ost->st->codec;
676 subtitle_out = av_malloc(subtitle_out_max_size);
679 /* Note: DVB subtitle need one packet to draw them and one other
680 packet to clear them */
681 /* XXX: signal it in the codec context ? */
682 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
687 for(i = 0; i < nb; i++) {
688 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
689 subtitle_out_max_size, sub);
691 av_init_packet(&pkt);
692 pkt.stream_index = ost->index;
693 pkt.data = subtitle_out;
694 pkt.size = subtitle_out_size;
695 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
696 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
697 /* XXX: the pts correction is handled here. Maybe handling
698 it in the codec would be better */
700 pkt.pts += 90 * sub->start_display_time;
702 pkt.pts += 90 * sub->end_display_time;
704 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
708 static int bit_buffer_size= 1024*256;
709 static uint8_t *bit_buffer= NULL;
711 static void do_video_out(AVFormatContext *s,
717 int nb_frames, i, ret;
718 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
719 AVFrame picture_crop_temp, picture_pad_temp;
720 AVCodecContext *enc, *dec;
722 avcodec_get_frame_defaults(&picture_crop_temp);
723 avcodec_get_frame_defaults(&picture_pad_temp);
725 enc = ost->st->codec;
726 dec = ist->st->codec;
728 /* by default, we output a single frame */
733 if(video_sync_method){
735 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
736 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
739 else if (video_sync_method == 2)
740 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
741 else if (vdelta > 1.1)
742 nb_frames = lrintf(vdelta);
743 //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);
747 fprintf(stderr, "*** drop!\n");
748 }else if (nb_frames > 1) {
749 nb_frames_dup += nb_frames;
751 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
754 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
756 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
760 if (ost->video_crop) {
761 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
762 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
765 formatted_picture = &picture_crop_temp;
767 formatted_picture = in_picture;
770 final_picture = formatted_picture;
771 padding_src = formatted_picture;
772 resampling_dst = &ost->pict_tmp;
773 if (ost->video_pad) {
774 final_picture = &ost->pict_tmp;
775 if (ost->video_resample) {
776 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
777 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
780 resampling_dst = &picture_pad_temp;
784 if (ost->video_resample) {
786 final_picture = &ost->pict_tmp;
787 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
788 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
791 if (ost->video_pad) {
792 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
793 enc->height, enc->width, enc->pix_fmt,
794 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
797 /* duplicates frame if needed */
798 for(i=0;i<nb_frames;i++) {
800 av_init_packet(&pkt);
801 pkt.stream_index= ost->index;
803 if (s->oformat->flags & AVFMT_RAWPICTURE) {
804 /* raw pictures are written as AVPicture structure to
805 avoid any copies. We support temorarily the older
807 AVFrame* old_frame = enc->coded_frame;
808 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
809 pkt.data= (uint8_t *)final_picture;
810 pkt.size= sizeof(AVPicture);
811 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
812 pkt.flags |= PKT_FLAG_KEY;
814 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
815 enc->coded_frame = old_frame;
819 big_picture= *final_picture;
820 /* better than nothing: use input picture interlaced
822 big_picture.interlaced_frame = in_picture->interlaced_frame;
823 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
824 if(top_field_first == -1)
825 big_picture.top_field_first = in_picture->top_field_first;
827 big_picture.top_field_first = top_field_first;
830 /* handles sameq here. This is not correct because it may
831 not be a global option */
833 big_picture.quality = ist->st->quality;
835 big_picture.quality = ost->st->quality;
837 big_picture.pict_type = 0;
838 // big_picture.pts = AV_NOPTS_VALUE;
839 big_picture.pts= ost->sync_opts;
840 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
841 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
842 ret = avcodec_encode_video(enc,
843 bit_buffer, bit_buffer_size,
846 fprintf(stderr, "Video encoding failed\n");
849 //enc->frame_number = enc->real_pict_num;
851 pkt.data= bit_buffer;
853 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
854 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
855 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
856 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
857 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
859 if(enc->coded_frame && enc->coded_frame->key_frame)
860 pkt.flags |= PKT_FLAG_KEY;
861 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
863 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
864 // enc->frame_number-1, enc->real_pict_num, ret,
866 /* if two pass, output log */
867 if (ost->logfile && enc->stats_out) {
868 fprintf(ost->logfile, "%s", enc->stats_out);
877 static double psnr(double d){
878 if(d==0) return INFINITY;
879 return -10.0*log(d)/log(10.0);
882 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
887 double ti1, bitrate, avg_bitrate;
889 /* this is executed just the first time do_video_stats is called */
891 vstats_file = fopen(vstats_filename, "w");
898 enc = ost->st->codec;
899 if (enc->codec_type == CODEC_TYPE_VIDEO) {
900 frame_number = ost->frame_number;
901 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
902 if (enc->flags&CODEC_FLAG_PSNR)
903 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
905 fprintf(vstats_file,"f_size= %6d ", frame_size);
906 /* compute pts value */
907 ti1 = ost->sync_opts * av_q2d(enc->time_base);
911 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
912 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
913 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
914 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
915 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
919 static void print_report(AVFormatContext **output_files,
920 AVOutputStream **ost_table, int nb_ostreams,
925 AVFormatContext *oc, *os;
928 int frame_number, vid, i;
929 double bitrate, ti1, pts;
930 static int64_t last_time = -1;
931 static int qp_histogram[52];
933 if (!is_last_report) {
935 /* display the report every 0.5 seconds */
936 cur_time = av_gettime();
937 if (last_time == -1) {
938 last_time = cur_time;
941 if ((cur_time - last_time) < 500000)
943 last_time = cur_time;
947 oc = output_files[0];
949 total_size = url_fsize(oc->pb);
950 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
951 total_size= url_ftell(oc->pb);
956 for(i=0;i<nb_ostreams;i++) {
958 os = output_files[ost->file_index];
959 enc = ost->st->codec;
960 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
962 enc->coded_frame && !ost->st->stream_copy ?
963 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
965 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
966 float t = (av_gettime()-timer_start) / 1000000.0;
968 frame_number = ost->frame_number;
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
970 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
971 enc->coded_frame && !ost->st->stream_copy ?
972 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
974 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
975 if(qp_hist && enc->coded_frame){
977 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
978 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
981 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
983 if (enc->flags&CODEC_FLAG_PSNR){
985 double error, error_sum=0;
986 double scale, scale_sum=0;
987 char type[3]= {'Y','U','V'};
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
991 error= enc->error[j];
992 scale= enc->width*enc->height*255.0*255.0*frame_number;
994 error= enc->coded_frame->error[j];
995 scale= enc->width*enc->height*255.0*255.0;
1000 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1002 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1006 /* compute min output value */
1007 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1008 if ((pts < ti1) && (pts > 0))
1014 if (verbose || is_last_report) {
1015 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1017 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1018 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1019 (double)total_size / 1024, ti1, bitrate);
1022 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1023 nb_frames_dup, nb_frames_drop);
1026 fprintf(stderr, "%s \r", buf);
1031 if (is_last_report && verbose >= 0){
1032 int64_t raw= audio_size + video_size + extra_size;
1033 fprintf(stderr, "\n");
1034 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1038 100.0*(total_size - raw)/raw
1043 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1044 static int output_packet(AVInputStream *ist, int ist_index,
1045 AVOutputStream **ost_table, int nb_ostreams,
1046 const AVPacket *pkt)
1048 AVFormatContext *os;
1049 AVOutputStream *ost;
1053 int data_size, got_picture;
1055 void *buffer_to_free;
1056 static unsigned int samples_size= 0;
1057 static short *samples= NULL;
1058 AVSubtitle subtitle, *subtitle_to_free;
1061 if(ist->next_pts == AV_NOPTS_VALUE)
1062 ist->next_pts= ist->pts;
1071 if(pkt->dts != AV_NOPTS_VALUE)
1072 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1078 ist->pts= ist->next_pts;
1080 if(len && len != pkt->size && verbose>0)
1081 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1083 /* decode the packet if needed */
1084 data_buf = NULL; /* fail safe */
1086 subtitle_to_free = NULL;
1087 if (ist->decoding_needed) {
1088 switch(ist->st->codec->codec_type) {
1089 case CODEC_TYPE_AUDIO:{
1091 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1092 data_size= samples_size;
1093 /* XXX: could avoid copy if PCM 16 bits with same
1094 endianness as CPU */
1095 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1101 /* Some bug in mpeg audio decoder gives */
1102 /* data_size < 0, it seems they are overflows */
1103 if (data_size <= 0) {
1104 /* no audio frame */
1107 data_buf = (uint8_t *)samples;
1108 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1109 (ist->st->codec->sample_rate * ist->st->codec->channels);
1111 case CODEC_TYPE_VIDEO:
1112 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1113 /* XXX: allocate picture correctly */
1114 avcodec_get_frame_defaults(&picture);
1116 ret = avcodec_decode_video(ist->st->codec,
1117 &picture, &got_picture, ptr, len);
1118 ist->st->quality= picture.quality;
1122 /* no picture yet */
1123 goto discard_packet;
1125 if (ist->st->codec->time_base.num != 0) {
1126 ist->next_pts += ((int64_t)AV_TIME_BASE *
1127 ist->st->codec->time_base.num) /
1128 ist->st->codec->time_base.den;
1132 case CODEC_TYPE_SUBTITLE:
1133 ret = avcodec_decode_subtitle(ist->st->codec,
1134 &subtitle, &got_subtitle, ptr, len);
1137 if (!got_subtitle) {
1138 goto discard_packet;
1140 subtitle_to_free = &subtitle;
1147 switch(ist->st->codec->codec_type) {
1148 case CODEC_TYPE_AUDIO:
1149 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1150 ist->st->codec->sample_rate;
1152 case CODEC_TYPE_VIDEO:
1153 if (ist->st->codec->time_base.num != 0) {
1154 ist->next_pts += ((int64_t)AV_TIME_BASE *
1155 ist->st->codec->time_base.num) /
1156 ist->st->codec->time_base.den;
1166 buffer_to_free = NULL;
1167 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1168 pre_process_video_frame(ist, (AVPicture *)&picture,
1172 // preprocess audio (volume)
1173 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1174 if (audio_volume != 256) {
1177 for(i=0;i<(data_size / sizeof(short));i++) {
1178 int v = ((*volp) * audio_volume + 128) >> 8;
1179 if (v < -32768) v = -32768;
1180 if (v > 32767) v = 32767;
1186 /* frame rate emulation */
1187 if (ist->st->codec->rate_emu) {
1188 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1189 int64_t now = av_gettime() - ist->start;
1197 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1198 is the one of the next displayed one */
1199 /* XXX: add mpeg4 too ? */
1200 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1201 if (ist->st->codec->pict_type != B_TYPE) {
1203 tmp = ist->last_ip_pts;
1204 ist->last_ip_pts = ist->frac_pts.val;
1205 ist->frac_pts.val = tmp;
1209 /* if output time reached then transcode raw format,
1210 encode packets and output them */
1211 if (start_time == 0 || ist->pts >= start_time)
1212 for(i=0;i<nb_ostreams;i++) {
1216 if (ost->source_index == ist_index) {
1217 os = output_files[ost->file_index];
1220 printf("%d: got pts=%0.3f %0.3f\n", i,
1221 (double)pkt->pts / AV_TIME_BASE,
1222 ((double)ist->pts / AV_TIME_BASE) -
1223 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1225 /* set the input output pts pairs */
1226 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1228 if (ost->encoding_needed) {
1229 switch(ost->st->codec->codec_type) {
1230 case CODEC_TYPE_AUDIO:
1231 do_audio_out(os, ost, ist, data_buf, data_size);
1233 case CODEC_TYPE_VIDEO:
1234 do_video_out(os, ost, ist, &picture, &frame_size);
1235 video_size += frame_size;
1236 if (vstats_filename && frame_size)
1237 do_video_stats(os, ost, frame_size);
1239 case CODEC_TYPE_SUBTITLE:
1240 do_subtitle_out(os, ost, ist, &subtitle,
1247 AVFrame avframe; //FIXME/XXX remove this
1249 av_init_packet(&opkt);
1251 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1254 /* no reencoding needed : output the packet directly */
1255 /* force the input stream PTS */
1257 avcodec_get_frame_defaults(&avframe);
1258 ost->st->codec->coded_frame= &avframe;
1259 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1261 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1262 audio_size += data_size;
1263 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1264 video_size += data_size;
1268 opkt.stream_index= ost->index;
1269 if(pkt->pts != AV_NOPTS_VALUE)
1270 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1272 opkt.pts= AV_NOPTS_VALUE;
1274 if (pkt->dts == AV_NOPTS_VALUE)
1275 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1277 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1279 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1280 opkt.flags= pkt->flags;
1282 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1283 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1284 opkt.destruct= av_destruct_packet;
1286 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1287 ost->st->codec->frame_number++;
1288 ost->frame_number++;
1289 av_free_packet(&opkt);
1293 av_free(buffer_to_free);
1294 /* XXX: allocate the subtitles in the codec ? */
1295 if (subtitle_to_free) {
1296 if (subtitle_to_free->rects != NULL) {
1297 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1298 av_free(subtitle_to_free->rects[i].bitmap);
1299 av_free(subtitle_to_free->rects[i].rgba_palette);
1301 av_freep(&subtitle_to_free->rects);
1303 subtitle_to_free->num_rects = 0;
1304 subtitle_to_free = NULL;
1311 for(i=0;i<nb_ostreams;i++) {
1313 if (ost->source_index == ist_index) {
1314 AVCodecContext *enc= ost->st->codec;
1315 os = output_files[ost->file_index];
1317 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1319 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1322 if (ost->encoding_needed) {
1326 av_init_packet(&pkt);
1327 pkt.stream_index= ost->index;
1329 switch(ost->st->codec->codec_type) {
1330 case CODEC_TYPE_AUDIO:
1331 fifo_bytes = av_fifo_size(&ost->fifo);
1333 /* encode any samples remaining in fifo */
1334 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1335 int fs_tmp = enc->frame_size;
1336 enc->frame_size = fifo_bytes / (2 * enc->channels);
1337 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1338 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1340 enc->frame_size = fs_tmp;
1343 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1346 pkt.flags |= PKT_FLAG_KEY;
1348 case CODEC_TYPE_VIDEO:
1349 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1351 if(enc->coded_frame && enc->coded_frame->key_frame)
1352 pkt.flags |= PKT_FLAG_KEY;
1353 if (ost->logfile && enc->stats_out) {
1354 fprintf(ost->logfile, "%s", enc->stats_out);
1363 pkt.data= bit_buffer;
1365 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1366 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1367 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1379 static void print_sdp(AVFormatContext **avc, int n)
1383 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1384 printf("SDP:\n%s\n", sdp);
1387 static int stream_index_from_inputs(AVFormatContext **input_files,
1389 AVInputFile *file_table,
1390 AVInputStream **ist_table,
1391 enum CodecType type,
1395 for(z=0; z<nb_input_files; z++) {
1396 AVFormatContext *ic = input_files[z];
1397 for(p=0; p<ic->nb_programs; p++) {
1398 AVProgram *program = ic->programs[p];
1399 if(program->id != programid)
1401 for(q=0; q<program->nb_stream_indexes; q++) {
1402 int sidx = program->stream_index[q];
1403 int ris = file_table[z].ist_index + sidx;
1404 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1414 * The following code is the main loop of the file converter
1416 static int av_encode(AVFormatContext **output_files,
1417 int nb_output_files,
1418 AVFormatContext **input_files,
1420 AVStreamMap *stream_maps, int nb_stream_maps)
1422 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1423 AVFormatContext *is, *os;
1424 AVCodecContext *codec, *icodec;
1425 AVOutputStream *ost, **ost_table = NULL;
1426 AVInputStream *ist, **ist_table = NULL;
1427 AVInputFile *file_table;
1431 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1435 /* input stream init */
1437 for(i=0;i<nb_input_files;i++) {
1438 is = input_files[i];
1439 file_table[i].ist_index = j;
1440 file_table[i].nb_streams = is->nb_streams;
1441 j += is->nb_streams;
1445 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1449 for(i=0;i<nb_istreams;i++) {
1450 ist = av_mallocz(sizeof(AVInputStream));
1456 for(i=0;i<nb_input_files;i++) {
1457 is = input_files[i];
1458 for(k=0;k<is->nb_streams;k++) {
1459 ist = ist_table[j++];
1460 ist->st = is->streams[k];
1461 ist->file_index = i;
1463 ist->discard = 1; /* the stream is discarded by default
1466 if (ist->st->codec->rate_emu) {
1467 ist->start = av_gettime();
1473 /* output stream init */
1475 for(i=0;i<nb_output_files;i++) {
1476 os = output_files[i];
1477 if (!os->nb_streams) {
1478 fprintf(stderr, "Output file does not contain any stream\n");
1481 nb_ostreams += os->nb_streams;
1483 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1484 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1488 /* Sanity check the mapping args -- do the input files & streams exist? */
1489 for(i=0;i<nb_stream_maps;i++) {
1490 int fi = stream_maps[i].file_index;
1491 int si = stream_maps[i].stream_index;
1493 if (fi < 0 || fi > nb_input_files - 1 ||
1494 si < 0 || si > file_table[fi].nb_streams - 1) {
1495 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1498 fi = stream_maps[i].sync_file_index;
1499 si = stream_maps[i].sync_stream_index;
1500 if (fi < 0 || fi > nb_input_files - 1 ||
1501 si < 0 || si > file_table[fi].nb_streams - 1) {
1502 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1507 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1510 for(i=0;i<nb_ostreams;i++) {
1511 ost = av_mallocz(sizeof(AVOutputStream));
1518 for(k=0;k<nb_output_files;k++) {
1519 os = output_files[k];
1520 for(i=0;i<os->nb_streams;i++) {
1522 ost = ost_table[n++];
1523 ost->file_index = k;
1525 ost->st = os->streams[i];
1526 if (nb_stream_maps > 0) {
1527 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1528 stream_maps[n-1].stream_index;
1530 /* Sanity check that the stream types match */
1531 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1532 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1533 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1534 ost->file_index, ost->index);
1541 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1543 ost->source_index = j;
1547 /* get corresponding input stream index : we select the first one with the right type */
1549 for(j=0;j<nb_istreams;j++) {
1552 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1553 ost->source_index = j;
1561 if(! opt_programid) {
1562 /* try again and reuse existing stream */
1563 for(j=0;j<nb_istreams;j++) {
1565 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1566 ost->source_index = j;
1572 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1573 ost->file_index, ost->index);
1578 ist = ist_table[ost->source_index];
1580 ost->sync_ist = (nb_stream_maps > 0) ?
1581 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1582 stream_maps[n-1].sync_stream_index] : ist;
1586 /* for each output stream, we compute the right encoding parameters */
1587 for(i=0;i<nb_ostreams;i++) {
1589 os = output_files[ost->file_index];
1590 ist = ist_table[ost->source_index];
1592 codec = ost->st->codec;
1593 icodec = ist->st->codec;
1595 if (!ost->st->language[0])
1596 av_strlcpy(ost->st->language, ist->st->language,
1597 sizeof(ost->st->language));
1599 if (ost->st->stream_copy) {
1600 /* if stream_copy is selected, no need to decode or encode */
1601 codec->codec_id = icodec->codec_id;
1602 codec->codec_type = icodec->codec_type;
1604 if(!codec->codec_tag){
1605 if( !os->oformat->codec_tag
1606 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1607 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1608 codec->codec_tag = icodec->codec_tag;
1611 codec->bit_rate = icodec->bit_rate;
1612 codec->extradata= icodec->extradata;
1613 codec->extradata_size= icodec->extradata_size;
1614 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1615 codec->time_base = icodec->time_base;
1617 codec->time_base = ist->st->time_base;
1618 switch(codec->codec_type) {
1619 case CODEC_TYPE_AUDIO:
1620 codec->sample_rate = icodec->sample_rate;
1621 codec->channels = icodec->channels;
1622 codec->frame_size = icodec->frame_size;
1623 codec->block_align= icodec->block_align;
1624 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1625 codec->block_align= 0;
1627 case CODEC_TYPE_VIDEO:
1629 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1632 codec->pix_fmt = icodec->pix_fmt;
1633 codec->width = icodec->width;
1634 codec->height = icodec->height;
1635 codec->has_b_frames = icodec->has_b_frames;
1637 case CODEC_TYPE_SUBTITLE:
1643 switch(codec->codec_type) {
1644 case CODEC_TYPE_AUDIO:
1645 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1647 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1648 icodec->request_channels = codec->channels;
1649 ist->decoding_needed = 1;
1650 ost->encoding_needed = 1;
1652 case CODEC_TYPE_VIDEO:
1653 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1654 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1655 ost->video_resample = ((codec->width != icodec->width -
1656 (frame_leftBand + frame_rightBand) +
1657 (frame_padleft + frame_padright)) ||
1658 (codec->height != icodec->height -
1659 (frame_topBand + frame_bottomBand) +
1660 (frame_padtop + frame_padbottom)) ||
1661 (codec->pix_fmt != icodec->pix_fmt));
1662 if (ost->video_crop) {
1663 ost->topBand = frame_topBand;
1664 ost->leftBand = frame_leftBand;
1666 if (ost->video_pad) {
1667 ost->padtop = frame_padtop;
1668 ost->padleft = frame_padleft;
1669 ost->padbottom = frame_padbottom;
1670 ost->padright = frame_padright;
1671 if (!ost->video_resample) {
1672 avcodec_get_frame_defaults(&ost->pict_tmp);
1673 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1674 codec->width, codec->height ) )
1678 if (ost->video_resample) {
1679 avcodec_get_frame_defaults(&ost->pict_tmp);
1680 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1681 codec->width, codec->height ) ) {
1682 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1685 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1686 ost->img_resample_ctx = sws_getContext(
1687 icodec->width - (frame_leftBand + frame_rightBand),
1688 icodec->height - (frame_topBand + frame_bottomBand),
1690 codec->width - (frame_padleft + frame_padright),
1691 codec->height - (frame_padtop + frame_padbottom),
1693 sws_flags, NULL, NULL, NULL);
1694 if (ost->img_resample_ctx == NULL) {
1695 fprintf(stderr, "Cannot get resampling context\n");
1698 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1700 ost->encoding_needed = 1;
1701 ist->decoding_needed = 1;
1703 case CODEC_TYPE_SUBTITLE:
1704 ost->encoding_needed = 1;
1705 ist->decoding_needed = 1;
1712 if (ost->encoding_needed &&
1713 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1714 char logfilename[1024];
1719 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1721 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1722 if (codec->flags & CODEC_FLAG_PASS1) {
1723 f = fopen(logfilename, "w");
1725 perror(logfilename);
1730 /* read the log file */
1731 f = fopen(logfilename, "r");
1733 perror(logfilename);
1736 fseek(f, 0, SEEK_END);
1738 fseek(f, 0, SEEK_SET);
1739 logbuffer = av_malloc(size + 1);
1741 fprintf(stderr, "Could not allocate log buffer\n");
1744 size = fread(logbuffer, 1, size, f);
1746 logbuffer[size] = '\0';
1747 codec->stats_in = logbuffer;
1751 if(codec->codec_type == CODEC_TYPE_VIDEO){
1752 int size= codec->width * codec->height;
1753 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1758 bit_buffer = av_malloc(bit_buffer_size);
1762 /* dump the file output parameters - cannot be done before in case
1764 for(i=0;i<nb_output_files;i++) {
1765 dump_format(output_files[i], i, output_files[i]->filename, 1);
1768 /* dump the stream mapping */
1770 fprintf(stderr, "Stream mapping:\n");
1771 for(i=0;i<nb_ostreams;i++) {
1773 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1774 ist_table[ost->source_index]->file_index,
1775 ist_table[ost->source_index]->index,
1778 if (ost->sync_ist != ist_table[ost->source_index])
1779 fprintf(stderr, " [sync #%d.%d]",
1780 ost->sync_ist->file_index,
1781 ost->sync_ist->index);
1782 fprintf(stderr, "\n");
1786 /* open each encoder */
1787 for(i=0;i<nb_ostreams;i++) {
1789 if (ost->encoding_needed) {
1791 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1793 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1794 ost->file_index, ost->index);
1797 if (avcodec_open(ost->st->codec, codec) < 0) {
1798 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1799 ost->file_index, ost->index);
1802 extra_size += ost->st->codec->extradata_size;
1806 /* open each decoder */
1807 for(i=0;i<nb_istreams;i++) {
1809 if (ist->decoding_needed) {
1811 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1813 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1814 ist->st->codec->codec_id, ist->file_index, ist->index);
1817 if (avcodec_open(ist->st->codec, codec) < 0) {
1818 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1819 ist->file_index, ist->index);
1822 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1823 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1828 for(i=0;i<nb_istreams;i++) {
1830 is = input_files[ist->file_index];
1832 ist->next_pts = AV_NOPTS_VALUE;
1836 /* set meta data information from input file if required */
1837 for (i=0;i<nb_meta_data_maps;i++) {
1838 AVFormatContext *out_file;
1839 AVFormatContext *in_file;
1841 int out_file_index = meta_data_maps[i].out_file;
1842 int in_file_index = meta_data_maps[i].in_file;
1843 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1844 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1845 ret = AVERROR(EINVAL);
1848 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1849 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1850 ret = AVERROR(EINVAL);
1854 out_file = output_files[out_file_index];
1855 in_file = input_files[in_file_index];
1857 strcpy(out_file->title, in_file->title);
1858 strcpy(out_file->author, in_file->author);
1859 strcpy(out_file->copyright, in_file->copyright);
1860 strcpy(out_file->comment, in_file->comment);
1861 strcpy(out_file->album, in_file->album);
1862 out_file->year = in_file->year;
1863 out_file->track = in_file->track;
1864 strcpy(out_file->genre, in_file->genre);
1867 /* open files and write file headers */
1868 for(i=0;i<nb_output_files;i++) {
1869 os = output_files[i];
1870 if (av_write_header(os) < 0) {
1871 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1872 ret = AVERROR(EINVAL);
1875 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1880 print_sdp(output_files, nb_output_files);
1883 if ( !using_stdin && verbose >= 0) {
1884 fprintf(stderr, "Press [q] to stop encoding\n");
1885 url_set_interrupt_cb(decode_interrupt_cb);
1890 timer_start = av_gettime();
1892 for(; received_sigterm == 0;) {
1893 int file_index, ist_index;
1901 /* if 'q' pressed, exits */
1905 /* read_key() returns 0 on EOF */
1911 /* select the stream that we must read now by looking at the
1912 smallest output pts */
1914 for(i=0;i<nb_ostreams;i++) {
1917 os = output_files[ost->file_index];
1918 ist = ist_table[ost->source_index];
1919 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1920 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1922 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1923 ipts = (double)ist->pts;
1924 if (!file_table[ist->file_index].eof_reached){
1925 if(ipts < ipts_min) {
1927 if(input_sync ) file_index = ist->file_index;
1929 if(opts < opts_min) {
1931 if(!input_sync) file_index = ist->file_index;
1934 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1939 /* if none, if is finished */
1940 if (file_index < 0) {
1944 /* finish if recording time exhausted */
1945 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1948 /* finish if limit size exhausted */
1949 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1952 /* read a frame from it and output it in the fifo */
1953 is = input_files[file_index];
1954 if (av_read_frame(is, &pkt) < 0) {
1955 file_table[file_index].eof_reached = 1;
1963 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1965 /* the following test is needed in case new streams appear
1966 dynamically in stream : we ignore them */
1967 if (pkt.stream_index >= file_table[file_index].nb_streams)
1968 goto discard_packet;
1969 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1970 ist = ist_table[ist_index];
1972 goto discard_packet;
1974 if (pkt.dts != AV_NOPTS_VALUE)
1975 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1976 if (pkt.pts != AV_NOPTS_VALUE)
1977 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1979 // 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);
1980 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1981 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1982 int64_t delta= pkt_dts - ist->next_pts;
1983 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1984 input_files_ts_offset[ist->file_index]-= delta;
1986 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1987 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1988 if(pkt.pts != AV_NOPTS_VALUE)
1989 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1993 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1994 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1997 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1998 ist->file_index, ist->index);
2000 av_free_packet(&pkt);
2005 av_free_packet(&pkt);
2007 /* dump report by using the output first video and audio streams */
2008 print_report(output_files, ost_table, nb_ostreams, 0);
2011 /* at the end of stream, we must flush the decoder buffers */
2012 for(i=0;i<nb_istreams;i++) {
2014 if (ist->decoding_needed) {
2015 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2021 /* write the trailer if needed and close file */
2022 for(i=0;i<nb_output_files;i++) {
2023 os = output_files[i];
2024 av_write_trailer(os);
2027 /* dump report by using the first video and audio streams */
2028 print_report(output_files, ost_table, nb_ostreams, 1);
2030 /* close each encoder */
2031 for(i=0;i<nb_ostreams;i++) {
2033 if (ost->encoding_needed) {
2034 av_freep(&ost->st->codec->stats_in);
2035 avcodec_close(ost->st->codec);
2039 /* close each decoder */
2040 for(i=0;i<nb_istreams;i++) {
2042 if (ist->decoding_needed) {
2043 avcodec_close(ist->st->codec);
2051 av_freep(&bit_buffer);
2052 av_free(file_table);
2055 for(i=0;i<nb_istreams;i++) {
2062 for(i=0;i<nb_ostreams;i++) {
2066 fclose(ost->logfile);
2067 ost->logfile = NULL;
2069 av_fifo_free(&ost->fifo); /* works even if fifo is not
2070 initialized but set to zero */
2071 av_free(ost->pict_tmp.data[0]);
2072 if (ost->video_resample)
2073 sws_freeContext(ost->img_resample_ctx);
2075 audio_resample_close(ost->resample);
2083 ret = AVERROR(ENOMEM);
2088 int file_read(const char *filename)
2091 unsigned char buffer[1024];
2094 if (url_open(&h, filename, O_RDONLY) < 0) {
2095 printf("could not open '%s'\n", filename);
2099 len = url_read(h, buffer, sizeof(buffer));
2102 for(i=0;i<len;i++) putchar(buffer[i]);
2109 static void opt_format(const char *arg)
2111 /* compatibility stuff for pgmyuv */
2112 if (!strcmp(arg, "pgmyuv")) {
2113 pgmyuv_compatibility_hack=1;
2114 // opt_image_format(arg);
2116 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2119 file_iformat = av_find_input_format(arg);
2120 file_oformat = guess_format(arg, NULL, NULL);
2121 if (!file_iformat && !file_oformat) {
2122 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2127 extern int ffm_nopts;
2129 static int opt_default(const char *opt, const char *arg){
2131 const AVOption *o= NULL;
2132 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2134 for(type=0; type<CODEC_TYPE_NB; type++){
2135 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2137 o = av_set_string(avctx_opts[type], opt, arg);
2140 o = av_set_string(avformat_opts, opt, arg);
2142 o = av_set_string(sws_opts, opt, arg);
2145 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2146 else if(opt[0] == 'v')
2147 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2148 else if(opt[0] == 's')
2149 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2154 // 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));
2156 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2157 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2158 opt_names[opt_name_count++]= o->name;
2160 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2161 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2162 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2166 if(avctx_opts[0]->debug)
2167 av_log_set_level(AV_LOG_DEBUG);
2171 static void opt_video_rc_override_string(const char *arg)
2173 video_rc_override_string = arg;
2176 static void opt_me_threshold(const char *arg)
2178 me_threshold = atoi(arg);
2181 static void opt_verbose(const char *arg)
2183 verbose = atoi(arg);
2184 av_log_set_level(verbose);
2187 static void opt_frame_rate(const char *arg)
2189 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2190 fprintf(stderr, "Incorrect frame rate\n");
2195 static int opt_bitrate(const char *opt, const char *arg)
2197 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2199 opt_default(opt, arg);
2201 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2202 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2207 static void opt_frame_crop_top(const char *arg)
2209 frame_topBand = atoi(arg);
2210 if (frame_topBand < 0) {
2211 fprintf(stderr, "Incorrect top crop size\n");
2214 if ((frame_topBand % 2) != 0) {
2215 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2218 if ((frame_topBand) >= frame_height){
2219 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2222 frame_height -= frame_topBand;
2225 static void opt_frame_crop_bottom(const char *arg)
2227 frame_bottomBand = atoi(arg);
2228 if (frame_bottomBand < 0) {
2229 fprintf(stderr, "Incorrect bottom crop size\n");
2232 if ((frame_bottomBand % 2) != 0) {
2233 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2236 if ((frame_bottomBand) >= frame_height){
2237 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2240 frame_height -= frame_bottomBand;
2243 static void opt_frame_crop_left(const char *arg)
2245 frame_leftBand = atoi(arg);
2246 if (frame_leftBand < 0) {
2247 fprintf(stderr, "Incorrect left crop size\n");
2250 if ((frame_leftBand % 2) != 0) {
2251 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2254 if ((frame_leftBand) >= frame_width){
2255 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2258 frame_width -= frame_leftBand;
2261 static void opt_frame_crop_right(const char *arg)
2263 frame_rightBand = atoi(arg);
2264 if (frame_rightBand < 0) {
2265 fprintf(stderr, "Incorrect right crop size\n");
2268 if ((frame_rightBand % 2) != 0) {
2269 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2272 if ((frame_rightBand) >= frame_width){
2273 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2276 frame_width -= frame_rightBand;
2279 static void opt_frame_size(const char *arg)
2281 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2282 fprintf(stderr, "Incorrect frame size\n");
2285 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2286 fprintf(stderr, "Frame size must be a multiple of 2\n");
2292 #define SCALEBITS 10
2293 #define ONE_HALF (1 << (SCALEBITS - 1))
2294 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2296 #define RGB_TO_Y(r, g, b) \
2297 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2298 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2300 #define RGB_TO_U(r1, g1, b1, shift)\
2301 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2302 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2304 #define RGB_TO_V(r1, g1, b1, shift)\
2305 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2306 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2308 static void opt_pad_color(const char *arg) {
2309 /* Input is expected to be six hex digits similar to
2310 how colors are expressed in html tags (but without the #) */
2311 int rgb = strtol(arg, NULL, 16);
2315 g = ((rgb >> 8) & 255);
2318 padcolor[0] = RGB_TO_Y(r,g,b);
2319 padcolor[1] = RGB_TO_U(r,g,b,0);
2320 padcolor[2] = RGB_TO_V(r,g,b,0);
2323 static void opt_frame_pad_top(const char *arg)
2325 frame_padtop = atoi(arg);
2326 if (frame_padtop < 0) {
2327 fprintf(stderr, "Incorrect top pad size\n");
2330 if ((frame_padtop % 2) != 0) {
2331 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2336 static void opt_frame_pad_bottom(const char *arg)
2338 frame_padbottom = atoi(arg);
2339 if (frame_padbottom < 0) {
2340 fprintf(stderr, "Incorrect bottom pad size\n");
2343 if ((frame_padbottom % 2) != 0) {
2344 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2350 static void opt_frame_pad_left(const char *arg)
2352 frame_padleft = atoi(arg);
2353 if (frame_padleft < 0) {
2354 fprintf(stderr, "Incorrect left pad size\n");
2357 if ((frame_padleft % 2) != 0) {
2358 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2364 static void opt_frame_pad_right(const char *arg)
2366 frame_padright = atoi(arg);
2367 if (frame_padright < 0) {
2368 fprintf(stderr, "Incorrect right pad size\n");
2371 if ((frame_padright % 2) != 0) {
2372 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2377 void list_pix_fmts(void)
2380 char pix_fmt_str[128];
2381 for (i=-1; i < PIX_FMT_NB; i++) {
2382 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2383 fprintf(stdout, "%s\n", pix_fmt_str);
2387 static void opt_frame_pix_fmt(const char *arg)
2389 if (strcmp(arg, "list"))
2390 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2397 static void opt_frame_aspect_ratio(const char *arg)
2404 p = strchr(arg, ':');
2406 x = strtol(arg, &end, 10);
2408 y = strtol(end+1, &end, 10);
2410 ar = (double)x / (double)y;
2412 ar = strtod(arg, NULL);
2415 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2418 frame_aspect_ratio = ar;
2421 static void opt_qscale(const char *arg)
2423 video_qscale = atof(arg);
2424 if (video_qscale <= 0 ||
2425 video_qscale > 255) {
2426 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2431 static void opt_qdiff(const char *arg)
2433 video_qdiff = atoi(arg);
2434 if (video_qdiff < 0 ||
2436 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2441 static void opt_strict(const char *arg)
2446 static void opt_top_field_first(const char *arg)
2448 top_field_first= atoi(arg);
2451 static void opt_thread_count(const char *arg)
2453 thread_count= atoi(arg);
2454 #if !defined(HAVE_THREADS)
2456 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2460 static void opt_audio_rate(const char *arg)
2462 audio_sample_rate = atoi(arg);
2465 static void opt_audio_channels(const char *arg)
2467 audio_channels = atoi(arg);
2470 static void opt_video_channel(const char *arg)
2472 video_channel = strtol(arg, NULL, 0);
2475 static void opt_video_standard(const char *arg)
2477 video_standard = av_strdup(arg);
2480 static void opt_codec(int *pstream_copy, char **pcodec_name,
2481 int codec_type, const char *arg)
2483 av_freep(pcodec_name);
2484 if (!strcmp(arg, "copy")) {
2487 *pcodec_name = av_strdup(arg);
2491 static void opt_audio_codec(const char *arg)
2493 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2496 static void opt_audio_tag(const char *arg)
2499 audio_codec_tag= strtol(arg, &tail, 0);
2502 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2505 static void opt_video_tag(const char *arg)
2508 video_codec_tag= strtol(arg, &tail, 0);
2511 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2515 static void add_frame_hooker(const char *arg)
2520 char *args = av_strdup(arg);
2524 argv[0] = strtok(args, " ");
2525 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2528 i = frame_hook_add(argc, argv);
2531 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2537 static void opt_video_codec(const char *arg)
2539 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2542 static void opt_subtitle_codec(const char *arg)
2544 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2547 static void opt_map(const char *arg)
2552 m = &stream_maps[nb_stream_maps++];
2554 m->file_index = strtol(arg, &p, 0);
2558 m->stream_index = strtol(p, &p, 0);
2561 m->sync_file_index = strtol(p, &p, 0);
2564 m->sync_stream_index = strtol(p, &p, 0);
2566 m->sync_file_index = m->file_index;
2567 m->sync_stream_index = m->stream_index;
2571 static void opt_map_meta_data(const char *arg)
2576 m = &meta_data_maps[nb_meta_data_maps++];
2578 m->out_file = strtol(arg, &p, 0);
2582 m->in_file = strtol(p, &p, 0);
2585 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2587 int64_t us = parse_date(timestr, is_duration);
2588 if (us == INT64_MIN) {
2589 fprintf(stderr, "Invalid %s specification: %s\n",
2590 is_duration ? "duration" : "date", timestr);
2596 static void opt_recording_time(const char *arg)
2598 recording_time = parse_time_or_die(arg, 1);
2601 static void opt_start_time(const char *arg)
2603 start_time = parse_time_or_die(arg, 1);
2606 static void opt_rec_timestamp(const char *arg)
2608 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2611 static void opt_input_ts_offset(const char *arg)
2613 input_ts_offset = parse_time_or_die(arg, 1);
2616 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2618 const char *codec_string = encoder ? "encoder" : "decoder";
2622 return CODEC_ID_NONE;
2624 avcodec_find_encoder_by_name(name) :
2625 avcodec_find_decoder_by_name(name);
2627 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2630 if(codec->type != type) {
2631 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2637 static void opt_input_file(const char *filename)
2639 AVFormatContext *ic;
2640 AVFormatParameters params, *ap = ¶ms;
2641 int err, i, ret, rfps, rfps_base;
2644 if (!strcmp(filename, "-"))
2647 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2648 !strcmp( filename, "/dev/stdin" );
2650 /* get default parameters from command line */
2651 ic = av_alloc_format_context();
2653 memset(ap, 0, sizeof(*ap));
2654 ap->prealloced_context = 1;
2655 ap->sample_rate = audio_sample_rate;
2656 ap->channels = audio_channels;
2657 ap->time_base.den = frame_rate.num;
2658 ap->time_base.num = frame_rate.den;
2659 ap->width = frame_width + frame_padleft + frame_padright;
2660 ap->height = frame_height + frame_padtop + frame_padbottom;
2661 ap->pix_fmt = frame_pix_fmt;
2662 ap->channel = video_channel;
2663 ap->standard = video_standard;
2664 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2665 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2666 if(pgmyuv_compatibility_hack)
2667 ap->video_codec_id= CODEC_ID_PGMYUV;
2669 for(i=0; i<opt_name_count; i++){
2671 const AVOption *opt;
2672 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2673 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2674 av_set_string(ic, opt_names[i], str);
2677 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2678 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2679 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2681 /* open the input file with generic libav function */
2682 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2684 print_error(filename, err);
2689 for(i=0; i<ic->nb_programs; i++)
2690 if(ic->programs[i]->id != opt_programid)
2691 ic->programs[i]->discard = AVDISCARD_ALL;
2694 ic->loop_input = loop_input;
2696 /* If not enough info to get the stream parameters, we decode the
2697 first frames to get it. (used in mpeg case for example) */
2698 ret = av_find_stream_info(ic);
2699 if (ret < 0 && verbose >= 0) {
2700 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2704 timestamp = start_time;
2705 /* add the stream start time */
2706 if (ic->start_time != AV_NOPTS_VALUE)
2707 timestamp += ic->start_time;
2709 /* if seeking requested, we execute it */
2710 if (start_time != 0) {
2711 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2713 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2714 filename, (double)timestamp / AV_TIME_BASE);
2716 /* reset seek info */
2720 /* update the current parameters so that they match the one of the input stream */
2721 for(i=0;i<ic->nb_streams;i++) {
2723 AVCodecContext *enc = ic->streams[i]->codec;
2725 avcodec_thread_init(enc, thread_count);
2726 enc->thread_count= thread_count;
2727 switch(enc->codec_type) {
2728 case CODEC_TYPE_AUDIO:
2729 for(j=0; j<opt_name_count; j++){
2731 const AVOption *opt;
2732 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2733 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2734 av_set_string(enc, opt_names[j], str);
2736 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2737 audio_channels = enc->channels;
2738 audio_sample_rate = enc->sample_rate;
2740 ic->streams[i]->discard= AVDISCARD_ALL;
2742 case CODEC_TYPE_VIDEO:
2743 for(j=0; j<opt_name_count; j++){
2745 const AVOption *opt;
2746 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2747 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2748 av_set_string(enc, opt_names[j], str);
2750 frame_height = enc->height;
2751 frame_width = enc->width;
2752 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2753 frame_pix_fmt = enc->pix_fmt;
2754 rfps = ic->streams[i]->r_frame_rate.num;
2755 rfps_base = ic->streams[i]->r_frame_rate.den;
2756 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2758 enc->debug |= FF_DEBUG_MV;
2760 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2763 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2764 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2766 (float)rfps / rfps_base, rfps, rfps_base);
2768 /* update the current frame rate to match the stream frame rate */
2769 frame_rate.num = rfps;
2770 frame_rate.den = rfps_base;
2772 enc->rate_emu = rate_emu;
2774 ic->streams[i]->discard= AVDISCARD_ALL;
2775 else if(video_discard)
2776 ic->streams[i]->discard= video_discard;
2778 case CODEC_TYPE_DATA:
2780 case CODEC_TYPE_SUBTITLE:
2781 if(subtitle_disable)
2782 ic->streams[i]->discard = AVDISCARD_ALL;
2784 case CODEC_TYPE_ATTACHMENT:
2785 case CODEC_TYPE_UNKNOWN:
2792 input_files[nb_input_files] = ic;
2793 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2794 /* dump the file content */
2796 dump_format(ic, nb_input_files, filename, 0);
2799 file_iformat = NULL;
2800 file_oformat = NULL;
2805 av_freep(&video_codec_name);
2806 av_freep(&audio_codec_name);
2807 av_freep(&subtitle_codec_name);
2810 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2811 int *has_subtitle_ptr)
2813 int has_video, has_audio, has_subtitle, i, j;
2814 AVFormatContext *ic;
2819 for(j=0;j<nb_input_files;j++) {
2820 ic = input_files[j];
2821 for(i=0;i<ic->nb_streams;i++) {
2822 AVCodecContext *enc = ic->streams[i]->codec;
2823 switch(enc->codec_type) {
2824 case CODEC_TYPE_AUDIO:
2827 case CODEC_TYPE_VIDEO:
2830 case CODEC_TYPE_SUBTITLE:
2833 case CODEC_TYPE_DATA:
2834 case CODEC_TYPE_ATTACHMENT:
2835 case CODEC_TYPE_UNKNOWN:
2842 *has_video_ptr = has_video;
2843 *has_audio_ptr = has_audio;
2844 *has_subtitle_ptr = has_subtitle;
2847 static void new_video_stream(AVFormatContext *oc)
2850 AVCodecContext *video_enc;
2853 st = av_new_stream(oc, oc->nb_streams);
2855 fprintf(stderr, "Could not alloc stream\n");
2858 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2859 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2860 video_bitstream_filters= NULL;
2863 avcodec_thread_init(st->codec, thread_count);
2865 video_enc = st->codec;
2868 video_enc->codec_tag= video_codec_tag;
2870 if( (video_global_header&1)
2871 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2872 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2873 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2875 if(video_global_header&2){
2876 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2877 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2880 if (video_stream_copy) {
2881 st->stream_copy = 1;
2882 video_enc->codec_type = CODEC_TYPE_VIDEO;
2887 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2889 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2890 if (video_codec_name)
2891 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2893 video_enc->codec_id = codec_id;
2894 codec = avcodec_find_encoder(codec_id);
2896 for(i=0; i<opt_name_count; i++){
2898 const AVOption *opt;
2899 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2900 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2901 av_set_string(video_enc, opt_names[i], str);
2904 video_enc->time_base.den = fps.num;
2905 video_enc->time_base.num = fps.den;
2906 if(codec && codec->supported_framerates){
2907 const AVRational *p= codec->supported_framerates;
2908 const AVRational *best=NULL;
2909 AVRational best_error= (AVRational){INT_MAX, 1};
2910 for(; p->den!=0; p++){
2911 AVRational error= av_sub_q(fps, *p);
2912 if(error.num <0) error.num *= -1;
2913 if(av_cmp_q(error, best_error) < 0){
2918 video_enc->time_base.den= best->num;
2919 video_enc->time_base.num= best->den;
2922 video_enc->width = frame_width + frame_padright + frame_padleft;
2923 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2924 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2925 video_enc->pix_fmt = frame_pix_fmt;
2927 if(codec && codec->pix_fmts){
2928 const enum PixelFormat *p= codec->pix_fmts;
2930 if(*p == video_enc->pix_fmt)
2934 video_enc->pix_fmt = codec->pix_fmts[0];
2938 video_enc->gop_size = 0;
2939 if (video_qscale || same_quality) {
2940 video_enc->flags |= CODEC_FLAG_QSCALE;
2941 video_enc->global_quality=
2942 st->quality = FF_QP2LAMBDA * video_qscale;
2946 video_enc->intra_matrix = intra_matrix;
2948 video_enc->inter_matrix = inter_matrix;
2950 video_enc->max_qdiff = video_qdiff;
2951 video_enc->thread_count = thread_count;
2952 p= video_rc_override_string;
2955 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2957 fprintf(stderr, "error parsing rc_override\n");
2960 video_enc->rc_override=
2961 av_realloc(video_enc->rc_override,
2962 sizeof(RcOverride)*(i+1));
2963 video_enc->rc_override[i].start_frame= start;
2964 video_enc->rc_override[i].end_frame = end;
2966 video_enc->rc_override[i].qscale= q;
2967 video_enc->rc_override[i].quality_factor= 1.0;
2970 video_enc->rc_override[i].qscale= 0;
2971 video_enc->rc_override[i].quality_factor= -q/100.0;
2976 video_enc->rc_override_count=i;
2977 if (!video_enc->rc_initial_buffer_occupancy)
2978 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2979 video_enc->me_threshold= me_threshold;
2980 video_enc->intra_dc_precision= intra_dc_precision - 8;
2981 video_enc->strict_std_compliance = strict;
2984 video_enc->flags|= CODEC_FLAG_PSNR;
2989 video_enc->flags |= CODEC_FLAG_PASS1;
2991 video_enc->flags |= CODEC_FLAG_PASS2;
2996 /* reset some key parameters */
2998 av_freep(&video_codec_name);
2999 video_stream_copy = 0;
3002 static void new_audio_stream(AVFormatContext *oc)
3005 AVCodecContext *audio_enc;
3008 st = av_new_stream(oc, oc->nb_streams);
3010 fprintf(stderr, "Could not alloc stream\n");
3013 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3015 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3016 audio_bitstream_filters= NULL;
3019 avcodec_thread_init(st->codec, thread_count);
3021 audio_enc = st->codec;
3022 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3023 audio_enc->strict_std_compliance = strict;
3026 audio_enc->codec_tag= audio_codec_tag;
3028 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3029 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3030 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3032 if (audio_stream_copy) {
3033 st->stream_copy = 1;
3034 audio_enc->channels = audio_channels;
3036 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3038 for(i=0; i<opt_name_count; i++){
3040 const AVOption *opt;
3041 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3042 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3043 av_set_string(audio_enc, opt_names[i], str);
3046 if (audio_codec_name)
3047 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3048 audio_enc->codec_id = codec_id;
3050 if (audio_qscale > QSCALE_NONE) {
3051 audio_enc->flags |= CODEC_FLAG_QSCALE;
3052 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3054 audio_enc->thread_count = thread_count;
3055 audio_enc->channels = audio_channels;
3057 audio_enc->sample_rate = audio_sample_rate;
3058 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3059 if (audio_language) {
3060 av_strlcpy(st->language, audio_language, sizeof(st->language));
3061 av_free(audio_language);
3062 audio_language = NULL;
3065 /* reset some key parameters */
3067 av_freep(&audio_codec_name);
3068 audio_stream_copy = 0;
3071 static void new_subtitle_stream(AVFormatContext *oc)
3074 AVCodecContext *subtitle_enc;
3077 st = av_new_stream(oc, oc->nb_streams);
3079 fprintf(stderr, "Could not alloc stream\n");
3082 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3084 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3085 subtitle_bitstream_filters= NULL;
3087 subtitle_enc = st->codec;
3088 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3089 if (subtitle_stream_copy) {
3090 st->stream_copy = 1;
3092 for(i=0; i<opt_name_count; i++){
3094 const AVOption *opt;
3095 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3096 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3097 av_set_string(subtitle_enc, opt_names[i], str);
3099 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3102 if (subtitle_language) {
3103 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3104 av_free(subtitle_language);
3105 subtitle_language = NULL;
3108 subtitle_disable = 0;
3109 av_freep(&subtitle_codec_name);
3110 subtitle_stream_copy = 0;
3113 static void opt_new_audio_stream(void)
3115 AVFormatContext *oc;
3116 if (nb_output_files <= 0) {
3117 fprintf(stderr, "At least one output file must be specified\n");
3120 oc = output_files[nb_output_files - 1];
3121 new_audio_stream(oc);
3124 static void opt_new_video_stream(void)
3126 AVFormatContext *oc;
3127 if (nb_output_files <= 0) {
3128 fprintf(stderr, "At least one output file must be specified\n");
3131 oc = output_files[nb_output_files - 1];
3132 new_video_stream(oc);
3135 static void opt_new_subtitle_stream(void)
3137 AVFormatContext *oc;
3138 if (nb_output_files <= 0) {
3139 fprintf(stderr, "At least one output file must be specified\n");
3142 oc = output_files[nb_output_files - 1];
3143 new_subtitle_stream(oc);
3146 static void opt_output_file(const char *filename)
3148 AVFormatContext *oc;
3149 int use_video, use_audio, use_subtitle;
3150 int input_has_video, input_has_audio, input_has_subtitle, i;
3151 AVFormatParameters params, *ap = ¶ms;
3153 if (!strcmp(filename, "-"))
3156 oc = av_alloc_format_context();
3158 if (!file_oformat) {
3159 file_oformat = guess_format(NULL, filename, NULL);
3160 if (!file_oformat) {
3161 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3167 oc->oformat = file_oformat;
3168 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3170 if (!strcmp(file_oformat->name, "ffm") &&
3171 av_strstart(filename, "http:", NULL)) {
3172 /* special case for files sent to ffserver: we get the stream
3173 parameters from ffserver */
3174 if (read_ffserver_streams(oc, filename) < 0) {
3175 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3179 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3180 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3181 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3183 /* disable if no corresponding type found and at least one
3185 if (nb_input_files > 0) {
3186 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3187 &input_has_subtitle);
3188 if (!input_has_video)
3190 if (!input_has_audio)
3192 if (!input_has_subtitle)
3196 /* manual disable */
3197 if (audio_disable) {
3200 if (video_disable) {
3203 if (subtitle_disable) {
3208 new_video_stream(oc);
3212 new_audio_stream(oc);
3216 new_subtitle_stream(oc);
3219 oc->timestamp = rec_timestamp;
3222 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3224 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3226 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3228 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3230 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3232 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3235 output_files[nb_output_files++] = oc;
3237 /* check filename in case of an image number is expected */
3238 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3239 if (!av_filename_number_test(oc->filename)) {
3240 print_error(oc->filename, AVERROR_NUMEXPECTED);
3245 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3246 /* test if it already exists to avoid loosing precious files */
3247 if (!file_overwrite &&
3248 (strchr(filename, ':') == NULL ||
3249 filename[1] == ':' ||
3250 av_strstart(filename, "file:", NULL))) {
3251 if (url_exist(filename)) {
3254 if ( !using_stdin ) {
3255 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3258 if (toupper(c) != 'Y') {
3259 fprintf(stderr, "Not overwriting - exiting\n");
3264 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3271 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3272 fprintf(stderr, "Could not open '%s'\n", filename);
3277 memset(ap, 0, sizeof(*ap));
3278 if (av_set_parameters(oc, ap) < 0) {
3279 fprintf(stderr, "%s: Invalid encoding parameters\n",
3284 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3285 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3286 oc->loop_output = loop_output;
3288 for(i=0; i<opt_name_count; i++){
3290 const AVOption *opt;
3291 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3292 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3293 av_set_string(oc, opt_names[i], str);
3296 /* reset some options */
3297 file_oformat = NULL;
3298 file_iformat = NULL;
3301 /* same option as mencoder */
3302 static void opt_pass(const char *pass_str)
3305 pass = atoi(pass_str);
3306 if (pass != 1 && pass != 2) {
3307 fprintf(stderr, "pass number can be only 1 or 2\n");
3313 static int64_t getutime(void)
3315 #ifdef HAVE_GETRUSAGE
3316 struct rusage rusage;
3318 getrusage(RUSAGE_SELF, &rusage);
3319 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3320 #elif defined(HAVE_GETPROCESSTIMES)
3322 FILETIME c, e, k, u;
3323 proc = GetCurrentProcess();
3324 GetProcessTimes(proc, &c, &e, &k, &u);
3325 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3327 return av_gettime();
3331 static void opt_show_formats(void)
3333 AVInputFormat *ifmt=NULL;
3334 AVOutputFormat *ofmt=NULL;
3335 URLProtocol *up=NULL;
3336 AVCodec *p=NULL, *p2;
3337 AVBitStreamFilter *bsf=NULL;
3338 const char *last_name;
3340 printf("File formats:\n");
3345 const char *name=NULL;
3346 const char *long_name=NULL;
3348 while((ofmt= av_oformat_next(ofmt))) {
3349 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3350 strcmp(ofmt->name, last_name)>0){
3352 long_name= ofmt->long_name;
3356 while((ifmt= av_iformat_next(ifmt))) {
3357 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3358 strcmp(ifmt->name, last_name)>0){
3360 long_name= ifmt->long_name;
3363 if(name && strcmp(ifmt->name, name)==0)
3375 long_name ? long_name:" ");
3379 printf("Codecs:\n");
3385 const char *type_str;
3388 while((p= av_codec_next(p))) {
3389 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3390 strcmp(p->name, last_name)>0){
3392 decode= encode= cap=0;
3394 if(p2 && strcmp(p->name, p2->name)==0){
3395 if(p->decode) decode=1;
3396 if(p->encode) encode=1;
3397 cap |= p->capabilities;
3402 last_name= p2->name;
3405 case CODEC_TYPE_VIDEO:
3408 case CODEC_TYPE_AUDIO:
3411 case CODEC_TYPE_SUBTITLE:
3420 decode ? "D": (/*p2->decoder ? "d":*/" "),
3423 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3424 cap & CODEC_CAP_DR1 ? "D":" ",
3425 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3427 /* if(p2->decoder && decode==0)
3428 printf(" use %s for decoding", p2->decoder->name);*/
3433 printf("Bitstream filters:\n");
3434 while((bsf = av_bitstream_filter_next(bsf)))
3435 printf(" %s", bsf->name);
3438 printf("Supported file protocols:\n");
3439 while((up = av_protocol_next(up)))
3440 printf(" %s:", up->name);
3443 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3446 "Note, the names of encoders and decoders do not always match, so there are\n"
3447 "several cases where the above table shows encoder only or decoder only entries\n"
3448 "even though both encoding and decoding are supported. For example, the h263\n"
3449 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3454 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3457 const char *p = str;
3464 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3471 static void opt_inter_matrix(const char *arg)
3473 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3474 parse_matrix_coeffs(inter_matrix, arg);
3477 static void opt_intra_matrix(const char *arg)
3479 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3480 parse_matrix_coeffs(intra_matrix, arg);
3484 * Trivial log callback.
3485 * Only suitable for show_help and similar since it lacks prefix handling.
3487 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3489 vfprintf(stdout, fmt, vl);
3492 static void show_help(void)
3494 av_log_set_callback(log_callback_help);
3495 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3496 "Hyper fast Audio and Video encoder\n");
3498 show_help_options(options, "Main options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3500 show_help_options(options, "\nVideo options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 show_help_options(options, "\nAdvanced Video options:\n",
3504 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 OPT_VIDEO | OPT_EXPERT);
3506 show_help_options(options, "\nAudio options:\n",
3507 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3509 show_help_options(options, "\nAdvanced Audio options:\n",
3510 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3511 OPT_AUDIO | OPT_EXPERT);
3512 show_help_options(options, "\nSubtitle options:\n",
3513 OPT_SUBTITLE | OPT_GRAB,
3515 show_help_options(options, "\nAudio/Video grab options:\n",
3518 show_help_options(options, "\nAdvanced options:\n",
3519 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3521 av_opt_show(avctx_opts[0], NULL);
3522 av_opt_show(avformat_opts, NULL);
3523 av_opt_show(sws_opts, NULL);
3526 static void opt_show_help(void)
3532 static void opt_target(const char *arg)
3535 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3537 if(!strncmp(arg, "pal-", 4)) {
3540 } else if(!strncmp(arg, "ntsc-", 5)) {
3543 } else if(!strncmp(arg, "film-", 5)) {
3548 /* Calculate FR via float to avoid int overflow */
3549 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3552 } else if((fr == 29970) || (fr == 23976)) {
3555 /* Try to determine PAL/NTSC by peeking in the input files */
3556 if(nb_input_files) {
3558 for(j = 0; j < nb_input_files; j++) {
3559 for(i = 0; i < input_files[j]->nb_streams; i++) {
3560 AVCodecContext *c = input_files[j]->streams[i]->codec;
3561 if(c->codec_type != CODEC_TYPE_VIDEO)
3563 fr = c->time_base.den * 1000 / c->time_base.num;
3567 } else if((fr == 29970) || (fr == 23976)) {
3577 if(verbose && norm >= 0)
3578 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3582 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3583 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3584 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3588 if(!strcmp(arg, "vcd")) {
3590 opt_video_codec("mpeg1video");
3591 opt_audio_codec("mp2");
3594 opt_frame_size(norm ? "352x240" : "352x288");
3595 opt_frame_rate(frame_rates[norm]);
3596 opt_default("gop", norm ? "18" : "15");
3598 opt_default("b", "1150000");
3599 opt_default("maxrate", "1150000");
3600 opt_default("minrate", "1150000");
3601 opt_default("bufsize", "327680"); // 40*1024*8;
3603 opt_default("ab", "224000");
3604 audio_sample_rate = 44100;
3607 opt_default("packetsize", "2324");
3608 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3610 /* We have to offset the PTS, so that it is consistent with the SCR.
3611 SCR starts at 36000, but the first two packs contain only padding
3612 and the first pack from the other stream, respectively, may also have
3613 been written before.
3614 So the real data starts at SCR 36000+3*1200. */
3615 mux_preload= (36000+3*1200) / 90000.0; //0.44
3616 } else if(!strcmp(arg, "svcd")) {
3618 opt_video_codec("mpeg2video");
3619 opt_audio_codec("mp2");
3622 opt_frame_size(norm ? "480x480" : "480x576");
3623 opt_frame_rate(frame_rates[norm]);
3624 opt_default("gop", norm ? "18" : "15");
3626 opt_default("b", "2040000");
3627 opt_default("maxrate", "2516000");
3628 opt_default("minrate", "0"); //1145000;
3629 opt_default("bufsize", "1835008"); //224*1024*8;
3630 opt_default("flags", "+SCAN_OFFSET");
3633 opt_default("ab", "224000");
3634 audio_sample_rate = 44100;
3636 opt_default("packetsize", "2324");
3638 } else if(!strcmp(arg, "dvd")) {
3640 opt_video_codec("mpeg2video");
3641 opt_audio_codec("ac3");
3644 opt_frame_size(norm ? "720x480" : "720x576");
3645 opt_frame_rate(frame_rates[norm]);
3646 opt_default("gop", norm ? "18" : "15");
3648 opt_default("b", "6000000");
3649 opt_default("maxrate", "9000000");
3650 opt_default("minrate", "0"); //1500000;
3651 opt_default("bufsize", "1835008"); //224*1024*8;
3653 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3654 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3656 opt_default("ab", "448000");
3657 audio_sample_rate = 48000;
3659 } else if(!strncmp(arg, "dv", 2)) {
3663 opt_frame_size(norm ? "720x480" : "720x576");
3664 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3665 (norm ? "yuv411p" : "yuv420p"));
3666 opt_frame_rate(frame_rates[norm]);
3668 audio_sample_rate = 48000;
3672 fprintf(stderr, "Unknown target: %s\n", arg);
3677 static void opt_vstats_file (const char *arg)
3679 av_free (vstats_filename);
3680 vstats_filename=av_strdup (arg);
3683 static void opt_vstats (void)
3686 time_t today2 = time(NULL);
3687 struct tm *today = localtime(&today2);
3689 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3691 opt_vstats_file(filename);
3694 static int opt_bsf(const char *opt, const char *arg)
3696 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3697 AVBitStreamFilterContext **bsfp;
3700 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3704 bsfp= *opt == 'v' ? &video_bitstream_filters :
3705 *opt == 'a' ? &audio_bitstream_filters :
3706 &subtitle_bitstream_filters;
3708 bsfp= &(*bsfp)->next;
3715 static void opt_show_license(void)
3721 static void opt_show_version(void)
3723 show_version(program_name);
3727 const OptionDef options[] = {
3729 { "L", 0, {(void*)opt_show_license}, "show license" },
3730 { "h", 0, {(void*)opt_show_help}, "show help" },
3731 { "version", 0, {(void*)opt_show_version}, "show version" },
3732 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3733 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3734 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3735 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3736 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3737 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3738 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3739 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3740 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3741 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3742 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3743 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3744 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3745 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3746 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3747 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3748 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3749 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3750 "add timings for benchmarking" },
3751 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3752 "dump each input packet" },
3753 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3754 "when dumping packets, also dump the payload" },
3755 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3756 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3757 { "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)", "" },
3758 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3759 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3760 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3761 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3762 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3763 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3764 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3765 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3766 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3767 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3768 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3771 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3772 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3773 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3774 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3775 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3776 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3777 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3778 { "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" },
3779 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3780 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3781 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3782 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3783 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3784 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3785 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3786 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3787 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3788 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3789 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3790 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3791 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3792 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3793 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3794 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3795 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3796 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3797 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3798 "use same video quality as source (implies VBR)" },
3799 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3800 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3801 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3802 "deinterlace pictures" },
3803 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3804 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3805 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3807 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3809 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3810 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3811 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3812 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3813 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3814 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3815 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3818 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3819 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3820 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3821 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3822 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3823 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3824 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3825 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3826 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3827 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3828 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3830 /* subtitle options */
3831 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3832 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3833 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3834 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3837 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3838 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3839 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3842 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3843 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3845 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3846 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3847 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3849 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3853 static int av_exit()
3858 for(i=0;i<nb_output_files;i++) {
3859 /* maybe av_close_output_file ??? */
3860 AVFormatContext *s = output_files[i];
3862 if (!(s->oformat->flags & AVFMT_NOFILE))
3864 for(j=0;j<s->nb_streams;j++) {
3865 av_free(s->streams[j]->codec);
3866 av_free(s->streams[j]);
3870 for(i=0;i<nb_input_files;i++)
3871 av_close_input_file(input_files[i]);
3875 av_free(intra_matrix);
3876 av_free(inter_matrix);
3879 fclose(vstats_file);
3880 av_free(vstats_filename);
3884 av_free(video_codec_name);
3885 av_free(audio_codec_name);
3886 av_free(subtitle_codec_name);
3888 av_free(video_standard);
3890 #ifdef CONFIG_POWERPC_PERF
3891 extern void powerpc_display_perf_report(void);
3892 powerpc_display_perf_report();
3893 #endif /* CONFIG_POWERPC_PERF */
3895 if (received_sigterm) {
3897 "Received signal %d: terminating.\n",
3898 (int) received_sigterm);
3902 exit(0); /* not all OS-es handle main() return value */
3906 int main(int argc, char **argv)
3911 avcodec_register_all();
3912 avdevice_register_all();
3915 for(i=0; i<CODEC_TYPE_NB; i++){
3916 avctx_opts[i]= avcodec_alloc_context2(i);
3918 avformat_opts = av_alloc_format_context();
3919 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3921 show_banner(program_name, program_birth_year);
3928 parse_options(argc, argv, options, opt_output_file);
3930 /* file converter / grab */
3931 if (nb_output_files <= 0) {
3932 fprintf(stderr, "Must supply at least one output file\n");
3936 if (nb_input_files == 0) {
3937 fprintf(stderr, "Must supply at least one input file\n");
3942 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3943 stream_maps, nb_stream_maps);
3944 ti = getutime() - ti;
3946 printf("bench: utime=%0.3fs\n", ti / 1000000.0);