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 *bitstream_filters[MAX_FILES][MAX_STREAMS];
226 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
228 struct AVInputStream;
230 typedef struct AVOutputStream {
231 int file_index; /* file index */
232 int index; /* stream index in the output file */
233 int source_index; /* AVInputStream index */
234 AVStream *st; /* stream in the output file */
235 int encoding_needed; /* true if encoding needed for this stream */
237 /* input pts and corresponding output pts
239 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
240 struct AVInputStream *sync_ist; /* input stream to sync against */
241 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
244 AVFrame pict_tmp; /* temporary image for resampling */
245 struct SwsContext *img_resample_ctx; /* for image resampling */
249 int topBand; /* cropping area sizes */
253 int padtop; /* padding area sizes */
260 ReSampleContext *resample; /* for audio resampling */
261 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
265 typedef struct AVInputStream {
269 int discard; /* true if stream data should be discarded */
270 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
271 int64_t sample_index; /* current sample */
273 int64_t start; /* time when read started */
274 unsigned long frame; /* current frame */
275 int64_t next_pts; /* synthetic pts for cases where pkt.pts
277 int64_t pts; /* current pts */
278 int is_start; /* is 1 at the start and after a discontinuity */
281 typedef struct AVInputFile {
282 int eof_reached; /* true if eof reached */
283 int ist_index; /* index of first stream in ist_table */
284 int buffer_size; /* current total buffer size */
285 int nb_streams; /* nb streams we are aware of */
288 #ifdef HAVE_TERMIOS_H
290 /* init terminal so that we can grab keys */
291 static struct termios oldtty;
294 static void term_exit(void)
296 #ifdef HAVE_TERMIOS_H
297 tcsetattr (0, TCSANOW, &oldtty);
301 static volatile sig_atomic_t received_sigterm = 0;
304 sigterm_handler(int sig)
306 received_sigterm = sig;
310 static void term_init(void)
312 #ifdef HAVE_TERMIOS_H
318 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
319 |INLCR|IGNCR|ICRNL|IXON);
320 tty.c_oflag |= OPOST;
321 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
322 tty.c_cflag &= ~(CSIZE|PARENB);
327 tcsetattr (0, TCSANOW, &tty);
328 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
331 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
332 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
334 register a function to be called at normal program termination
337 #ifdef CONFIG_BEOS_NETSERVER
338 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
342 /* read a key without blocking */
343 static int read_key(void)
345 #if defined(HAVE_TERMIOS_H)
348 #ifndef CONFIG_BEOS_NETSERVER
356 n = select(1, &rfds, NULL, NULL, &tv);
365 #elif defined(HAVE_CONIO_H)
372 static int decode_interrupt_cb(void)
374 return q_pressed || (q_pressed = read_key() == 'q');
377 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
382 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
385 /* copy stream format */
386 s->nb_streams = ic->nb_streams;
387 for(i=0;i<ic->nb_streams;i++) {
390 // FIXME: a more elegant solution is needed
391 st = av_mallocz(sizeof(AVStream));
392 memcpy(st, ic->streams[i], sizeof(AVStream));
393 st->codec = avcodec_alloc_context();
394 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
398 av_close_input_file(ic);
403 get_sync_ipts(const AVOutputStream *ost)
405 const AVInputStream *ist = ost->sync_ist;
406 return (double)(ist->pts - start_time)/AV_TIME_BASE;
409 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
413 AVPacket new_pkt= *pkt;
414 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
415 &new_pkt.data, &new_pkt.size,
416 pkt->data, pkt->size,
417 pkt->flags & PKT_FLAG_KEY);
420 new_pkt.destruct= av_destruct_packet;
422 fprintf(stderr, "%s failed for stream %d, codec %s",
423 bsfc->filter->name, pkt->stream_index,
424 avctx->codec ? avctx->codec->name : "copy");
432 ret= av_interleaved_write_frame(s, pkt);
434 print_error("av_interleaved_write_frame()", ret);
439 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
441 static void do_audio_out(AVFormatContext *s,
444 unsigned char *buf, int size)
447 static uint8_t *audio_buf = NULL;
448 static uint8_t *audio_out = NULL;
449 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
451 int size_out, frame_bytes, ret;
452 AVCodecContext *enc= ost->st->codec;
453 AVCodecContext *dec= ist->st->codec;
455 /* SC: dynamic allocation of buffers */
457 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
459 audio_out = av_malloc(audio_out_size);
460 if (!audio_buf || !audio_out)
461 return; /* Should signal an error ! */
463 if (enc->channels != dec->channels)
464 ost->audio_resample = 1;
466 if (ost->audio_resample && !ost->resample) {
467 ost->resample = audio_resample_init(enc->channels, dec->channels,
468 enc->sample_rate, dec->sample_rate);
469 if (!ost->resample) {
470 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
471 dec->channels, dec->sample_rate,
472 enc->channels, enc->sample_rate);
477 if(audio_sync_method){
478 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
479 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
480 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
481 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
483 //FIXME resample delay
484 if(fabs(delta) > 50){
485 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
487 byte_delta= FFMAX(byte_delta, -size);
491 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
496 static uint8_t *input_tmp= NULL;
497 input_tmp= av_realloc(input_tmp, byte_delta + size);
499 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
502 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
504 memset(input_tmp, 0, byte_delta);
505 memcpy(input_tmp + byte_delta, buf, size);
509 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
511 }else if(audio_sync_method>1){
512 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
513 assert(ost->audio_resample);
515 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
516 // 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));
517 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
521 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
522 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
524 if (ost->audio_resample) {
526 size_out = audio_resample(ost->resample,
527 (short *)buftmp, (short *)buf,
528 size / (ist->st->codec->channels * 2));
529 size_out = size_out * enc->channels * 2;
535 /* now encode as many frames as possible */
536 if (enc->frame_size > 1) {
537 /* output resampled raw samples */
538 av_fifo_write(&ost->fifo, buftmp, size_out);
540 frame_bytes = enc->frame_size * 2 * enc->channels;
542 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
544 av_init_packet(&pkt);
546 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
549 pkt.stream_index= ost->index;
552 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
553 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
554 pkt.flags |= PKT_FLAG_KEY;
555 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
557 ost->sync_opts += enc->frame_size;
561 av_init_packet(&pkt);
563 ost->sync_opts += size_out / (2 * enc->channels);
565 /* output a pcm frame */
566 /* XXX: change encoding codec API to avoid this ? */
567 switch(enc->codec->id) {
568 case CODEC_ID_PCM_S32LE:
569 case CODEC_ID_PCM_S32BE:
570 case CODEC_ID_PCM_U32LE:
571 case CODEC_ID_PCM_U32BE:
572 size_out = size_out << 1;
574 case CODEC_ID_PCM_S24LE:
575 case CODEC_ID_PCM_S24BE:
576 case CODEC_ID_PCM_U24LE:
577 case CODEC_ID_PCM_U24BE:
578 case CODEC_ID_PCM_S24DAUD:
579 size_out = size_out / 2 * 3;
581 case CODEC_ID_PCM_S16LE:
582 case CODEC_ID_PCM_S16BE:
583 case CODEC_ID_PCM_U16LE:
584 case CODEC_ID_PCM_U16BE:
587 size_out = size_out >> 1;
590 ret = avcodec_encode_audio(enc, audio_out, size_out,
593 pkt.stream_index= ost->index;
596 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
597 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
598 pkt.flags |= PKT_FLAG_KEY;
599 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
603 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
607 AVPicture picture_tmp;
610 dec = ist->st->codec;
612 /* deinterlace : must be done before any resize */
613 if (do_deinterlace || using_vhook) {
616 /* create temporary picture */
617 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
618 buf = av_malloc(size);
622 picture2 = &picture_tmp;
623 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
626 if(avpicture_deinterlace(picture2, picture,
627 dec->pix_fmt, dec->width, dec->height) < 0) {
628 /* if error, do not deinterlace */
634 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
641 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
642 1000000 * ist->pts / AV_TIME_BASE);
644 if (picture != picture2)
645 *picture = *picture2;
649 /* we begin to correct av delay at this threshold */
650 #define AV_DELAY_MAX 0.100
652 static void do_subtitle_out(AVFormatContext *s,
658 static uint8_t *subtitle_out = NULL;
659 int subtitle_out_max_size = 65536;
660 int subtitle_out_size, nb, i;
664 if (pts == AV_NOPTS_VALUE) {
665 fprintf(stderr, "Subtitle packets must have a pts\n");
669 enc = ost->st->codec;
672 subtitle_out = av_malloc(subtitle_out_max_size);
675 /* Note: DVB subtitle need one packet to draw them and one other
676 packet to clear them */
677 /* XXX: signal it in the codec context ? */
678 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
683 for(i = 0; i < nb; i++) {
684 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
685 subtitle_out_max_size, sub);
687 av_init_packet(&pkt);
688 pkt.stream_index = ost->index;
689 pkt.data = subtitle_out;
690 pkt.size = subtitle_out_size;
691 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
692 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
693 /* XXX: the pts correction is handled here. Maybe handling
694 it in the codec would be better */
696 pkt.pts += 90 * sub->start_display_time;
698 pkt.pts += 90 * sub->end_display_time;
700 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
704 static int bit_buffer_size= 1024*256;
705 static uint8_t *bit_buffer= NULL;
707 static void do_video_out(AVFormatContext *s,
713 int nb_frames, i, ret;
714 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
715 AVFrame picture_crop_temp, picture_pad_temp;
716 AVCodecContext *enc, *dec;
718 avcodec_get_frame_defaults(&picture_crop_temp);
719 avcodec_get_frame_defaults(&picture_pad_temp);
721 enc = ost->st->codec;
722 dec = ist->st->codec;
724 /* by default, we output a single frame */
729 if(video_sync_method){
731 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
732 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
735 else if (vdelta > 1.1)
736 nb_frames = lrintf(vdelta);
737 //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);
741 fprintf(stderr, "*** drop!\n");
742 }else if (nb_frames > 1) {
743 nb_frames_dup += nb_frames;
745 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
748 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
750 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
754 if (ost->video_crop) {
755 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
756 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
759 formatted_picture = &picture_crop_temp;
761 formatted_picture = in_picture;
764 final_picture = formatted_picture;
765 padding_src = formatted_picture;
766 resampling_dst = &ost->pict_tmp;
767 if (ost->video_pad) {
768 final_picture = &ost->pict_tmp;
769 if (ost->video_resample) {
770 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
771 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
774 resampling_dst = &picture_pad_temp;
778 if (ost->video_resample) {
780 final_picture = &ost->pict_tmp;
781 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
782 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
785 if (ost->video_pad) {
786 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
787 enc->height, enc->width, enc->pix_fmt,
788 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
791 /* duplicates frame if needed */
792 for(i=0;i<nb_frames;i++) {
794 av_init_packet(&pkt);
795 pkt.stream_index= ost->index;
797 if (s->oformat->flags & AVFMT_RAWPICTURE) {
798 /* raw pictures are written as AVPicture structure to
799 avoid any copies. We support temorarily the older
801 AVFrame* old_frame = enc->coded_frame;
802 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
803 pkt.data= (uint8_t *)final_picture;
804 pkt.size= sizeof(AVPicture);
805 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
806 pkt.flags |= PKT_FLAG_KEY;
808 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
809 enc->coded_frame = old_frame;
813 big_picture= *final_picture;
814 /* better than nothing: use input picture interlaced
816 big_picture.interlaced_frame = in_picture->interlaced_frame;
817 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
818 if(top_field_first == -1)
819 big_picture.top_field_first = in_picture->top_field_first;
821 big_picture.top_field_first = top_field_first;
824 /* handles sameq here. This is not correct because it may
825 not be a global option */
827 big_picture.quality = ist->st->quality;
829 big_picture.quality = ost->st->quality;
831 big_picture.pict_type = 0;
832 // big_picture.pts = AV_NOPTS_VALUE;
833 big_picture.pts= ost->sync_opts;
834 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
835 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
836 ret = avcodec_encode_video(enc,
837 bit_buffer, bit_buffer_size,
840 fprintf(stderr, "Video encoding failed\n");
843 //enc->frame_number = enc->real_pict_num;
845 pkt.data= bit_buffer;
847 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
848 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
849 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
850 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
851 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
853 if(enc->coded_frame && enc->coded_frame->key_frame)
854 pkt.flags |= PKT_FLAG_KEY;
855 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
857 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
858 // enc->frame_number-1, enc->real_pict_num, ret,
860 /* if two pass, output log */
861 if (ost->logfile && enc->stats_out) {
862 fprintf(ost->logfile, "%s", enc->stats_out);
871 static double psnr(double d){
872 if(d==0) return INFINITY;
873 return -10.0*log(d)/log(10.0);
876 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
881 double ti1, bitrate, avg_bitrate;
883 /* this is executed just the first time do_video_stats is called */
885 vstats_file = fopen(vstats_filename, "w");
892 enc = ost->st->codec;
893 if (enc->codec_type == CODEC_TYPE_VIDEO) {
894 frame_number = ost->frame_number;
895 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
896 if (enc->flags&CODEC_FLAG_PSNR)
897 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
899 fprintf(vstats_file,"f_size= %6d ", frame_size);
900 /* compute pts value */
901 ti1 = ost->sync_opts * av_q2d(enc->time_base);
905 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
906 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
907 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
908 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
909 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
913 static void print_report(AVFormatContext **output_files,
914 AVOutputStream **ost_table, int nb_ostreams,
919 AVFormatContext *oc, *os;
922 int frame_number, vid, i;
923 double bitrate, ti1, pts;
924 static int64_t last_time = -1;
925 static int qp_histogram[52];
927 if (!is_last_report) {
929 /* display the report every 0.5 seconds */
930 cur_time = av_gettime();
931 if (last_time == -1) {
932 last_time = cur_time;
935 if ((cur_time - last_time) < 500000)
937 last_time = cur_time;
941 oc = output_files[0];
943 total_size = url_fsize(oc->pb);
944 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
945 total_size= url_ftell(oc->pb);
950 for(i=0;i<nb_ostreams;i++) {
952 os = output_files[ost->file_index];
953 enc = ost->st->codec;
954 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
955 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
956 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
958 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
959 float t = (av_gettime()-timer_start) / 1000000.0;
961 frame_number = ost->frame_number;
962 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
963 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
964 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
967 if(qp_hist && enc->coded_frame){
969 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
970 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
973 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
975 if (enc->flags&CODEC_FLAG_PSNR){
977 double error, error_sum=0;
978 double scale, scale_sum=0;
979 char type[3]= {'Y','U','V'};
980 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
983 error= enc->error[j];
984 scale= enc->width*enc->height*255.0*255.0*frame_number;
986 error= enc->coded_frame->error[j];
987 scale= enc->width*enc->height*255.0*255.0;
992 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
994 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
998 /* compute min output value */
999 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1000 if ((pts < ti1) && (pts > 0))
1006 if (verbose || is_last_report) {
1007 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1009 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1010 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1011 (double)total_size / 1024, ti1, bitrate);
1014 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1015 nb_frames_dup, nb_frames_drop);
1018 fprintf(stderr, "%s \r", buf);
1023 if (is_last_report && verbose >= 0){
1024 int64_t raw= audio_size + video_size + extra_size;
1025 fprintf(stderr, "\n");
1026 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1030 100.0*(total_size - raw)/raw
1035 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1036 static int output_packet(AVInputStream *ist, int ist_index,
1037 AVOutputStream **ost_table, int nb_ostreams,
1038 const AVPacket *pkt)
1040 AVFormatContext *os;
1041 AVOutputStream *ost;
1045 int data_size, got_picture;
1047 void *buffer_to_free;
1048 static unsigned int samples_size= 0;
1049 static short *samples= NULL;
1050 AVSubtitle subtitle, *subtitle_to_free;
1054 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1055 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1056 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1058 // assert(ist->pts == ist->next_pts);
1072 /* decode the packet if needed */
1073 data_buf = NULL; /* fail safe */
1075 subtitle_to_free = NULL;
1076 if (ist->decoding_needed) {
1077 switch(ist->st->codec->codec_type) {
1078 case CODEC_TYPE_AUDIO:{
1080 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1081 data_size= samples_size;
1082 /* XXX: could avoid copy if PCM 16 bits with same
1083 endianness as CPU */
1084 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1090 /* Some bug in mpeg audio decoder gives */
1091 /* data_size < 0, it seems they are overflows */
1092 if (data_size <= 0) {
1093 /* no audio frame */
1096 data_buf = (uint8_t *)samples;
1097 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1098 (ist->st->codec->sample_rate * ist->st->codec->channels);
1100 case CODEC_TYPE_VIDEO:
1101 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1102 /* XXX: allocate picture correctly */
1103 avcodec_get_frame_defaults(&picture);
1105 ret = avcodec_decode_video(ist->st->codec,
1106 &picture, &got_picture, ptr, len);
1107 ist->st->quality= picture.quality;
1111 /* no picture yet */
1112 goto discard_packet;
1114 if (ist->st->codec->time_base.num != 0) {
1115 ist->next_pts += ((int64_t)AV_TIME_BASE *
1116 ist->st->codec->time_base.num) /
1117 ist->st->codec->time_base.den;
1121 case CODEC_TYPE_SUBTITLE:
1122 ret = avcodec_decode_subtitle(ist->st->codec,
1123 &subtitle, &got_subtitle, ptr, len);
1126 if (!got_subtitle) {
1127 goto discard_packet;
1129 subtitle_to_free = &subtitle;
1136 switch(ist->st->codec->codec_type) {
1137 case CODEC_TYPE_AUDIO:
1138 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1139 ist->st->codec->sample_rate;
1141 case CODEC_TYPE_VIDEO:
1142 if (ist->st->codec->time_base.num != 0) {
1143 ist->next_pts += ((int64_t)AV_TIME_BASE *
1144 ist->st->codec->time_base.num) /
1145 ist->st->codec->time_base.den;
1155 buffer_to_free = NULL;
1156 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1157 pre_process_video_frame(ist, (AVPicture *)&picture,
1161 // preprocess audio (volume)
1162 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1163 if (audio_volume != 256) {
1166 for(i=0;i<(data_size / sizeof(short));i++) {
1167 int v = ((*volp) * audio_volume + 128) >> 8;
1168 if (v < -32768) v = -32768;
1169 if (v > 32767) v = 32767;
1175 /* frame rate emulation */
1176 if (ist->st->codec->rate_emu) {
1177 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1178 int64_t now = av_gettime() - ist->start;
1186 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1187 is the one of the next displayed one */
1188 /* XXX: add mpeg4 too ? */
1189 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1190 if (ist->st->codec->pict_type != B_TYPE) {
1192 tmp = ist->last_ip_pts;
1193 ist->last_ip_pts = ist->frac_pts.val;
1194 ist->frac_pts.val = tmp;
1198 /* if output time reached then transcode raw format,
1199 encode packets and output them */
1200 if (start_time == 0 || ist->pts >= start_time)
1201 for(i=0;i<nb_ostreams;i++) {
1205 if (ost->source_index == ist_index) {
1206 os = output_files[ost->file_index];
1209 printf("%d: got pts=%0.3f %0.3f\n", i,
1210 (double)pkt->pts / AV_TIME_BASE,
1211 ((double)ist->pts / AV_TIME_BASE) -
1212 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1214 /* set the input output pts pairs */
1215 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1217 if (ost->encoding_needed) {
1218 switch(ost->st->codec->codec_type) {
1219 case CODEC_TYPE_AUDIO:
1220 do_audio_out(os, ost, ist, data_buf, data_size);
1222 case CODEC_TYPE_VIDEO:
1223 do_video_out(os, ost, ist, &picture, &frame_size);
1224 video_size += frame_size;
1225 if (vstats_filename && frame_size)
1226 do_video_stats(os, ost, frame_size);
1228 case CODEC_TYPE_SUBTITLE:
1229 do_subtitle_out(os, ost, ist, &subtitle,
1236 AVFrame avframe; //FIXME/XXX remove this
1238 av_init_packet(&opkt);
1240 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1243 /* no reencoding needed : output the packet directly */
1244 /* force the input stream PTS */
1246 avcodec_get_frame_defaults(&avframe);
1247 ost->st->codec->coded_frame= &avframe;
1248 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1250 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1251 audio_size += data_size;
1252 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1253 video_size += data_size;
1257 opkt.stream_index= ost->index;
1258 if(pkt->pts != AV_NOPTS_VALUE)
1259 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1261 opkt.pts= AV_NOPTS_VALUE;
1263 if (pkt->dts == AV_NOPTS_VALUE)
1264 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1266 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1268 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1269 opkt.flags= pkt->flags;
1271 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1272 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1273 opkt.destruct= av_destruct_packet;
1275 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1276 ost->st->codec->frame_number++;
1277 ost->frame_number++;
1278 av_free_packet(&opkt);
1282 av_free(buffer_to_free);
1283 /* XXX: allocate the subtitles in the codec ? */
1284 if (subtitle_to_free) {
1285 if (subtitle_to_free->rects != NULL) {
1286 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1287 av_free(subtitle_to_free->rects[i].bitmap);
1288 av_free(subtitle_to_free->rects[i].rgba_palette);
1290 av_freep(&subtitle_to_free->rects);
1292 subtitle_to_free->num_rects = 0;
1293 subtitle_to_free = NULL;
1300 for(i=0;i<nb_ostreams;i++) {
1302 if (ost->source_index == ist_index) {
1303 AVCodecContext *enc= ost->st->codec;
1304 os = output_files[ost->file_index];
1306 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1308 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1311 if (ost->encoding_needed) {
1315 av_init_packet(&pkt);
1316 pkt.stream_index= ost->index;
1318 switch(ost->st->codec->codec_type) {
1319 case CODEC_TYPE_AUDIO:
1320 fifo_bytes = av_fifo_size(&ost->fifo);
1322 /* encode any samples remaining in fifo */
1323 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1324 int fs_tmp = enc->frame_size;
1325 enc->frame_size = fifo_bytes / (2 * enc->channels);
1326 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1327 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1329 enc->frame_size = fs_tmp;
1332 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1335 pkt.flags |= PKT_FLAG_KEY;
1337 case CODEC_TYPE_VIDEO:
1338 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1340 if(enc->coded_frame && enc->coded_frame->key_frame)
1341 pkt.flags |= PKT_FLAG_KEY;
1342 if (ost->logfile && enc->stats_out) {
1343 fprintf(ost->logfile, "%s", enc->stats_out);
1352 pkt.data= bit_buffer;
1354 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1355 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1356 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1368 static void print_sdp(AVFormatContext **avc, int n)
1372 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1373 printf("SDP:\n%s\n", sdp);
1376 static int stream_index_from_inputs(AVFormatContext **input_files,
1378 AVInputFile *file_table,
1379 AVInputStream **ist_table,
1380 enum CodecType type,
1384 for(z=0; z<nb_input_files; z++) {
1385 AVFormatContext *ic = input_files[z];
1386 for(p=0; p<ic->nb_programs; p++) {
1387 AVProgram *program = ic->programs[p];
1388 if(program->id != programid)
1390 for(q=0; q<program->nb_stream_indexes; q++) {
1391 int sidx = program->stream_index[q];
1392 int ris = file_table[z].ist_index + sidx;
1393 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1403 * The following code is the main loop of the file converter
1405 static int av_encode(AVFormatContext **output_files,
1406 int nb_output_files,
1407 AVFormatContext **input_files,
1409 AVStreamMap *stream_maps, int nb_stream_maps)
1411 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1412 AVFormatContext *is, *os;
1413 AVCodecContext *codec, *icodec;
1414 AVOutputStream *ost, **ost_table = NULL;
1415 AVInputStream *ist, **ist_table = NULL;
1416 AVInputFile *file_table;
1420 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1424 /* input stream init */
1426 for(i=0;i<nb_input_files;i++) {
1427 is = input_files[i];
1428 file_table[i].ist_index = j;
1429 file_table[i].nb_streams = is->nb_streams;
1430 j += is->nb_streams;
1434 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1438 for(i=0;i<nb_istreams;i++) {
1439 ist = av_mallocz(sizeof(AVInputStream));
1445 for(i=0;i<nb_input_files;i++) {
1446 is = input_files[i];
1447 for(k=0;k<is->nb_streams;k++) {
1448 ist = ist_table[j++];
1449 ist->st = is->streams[k];
1450 ist->file_index = i;
1452 ist->discard = 1; /* the stream is discarded by default
1455 if (ist->st->codec->rate_emu) {
1456 ist->start = av_gettime();
1462 /* output stream init */
1464 for(i=0;i<nb_output_files;i++) {
1465 os = output_files[i];
1466 if (!os->nb_streams) {
1467 fprintf(stderr, "Output file does not contain any stream\n");
1470 nb_ostreams += os->nb_streams;
1472 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1473 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1477 /* Sanity check the mapping args -- do the input files & streams exist? */
1478 for(i=0;i<nb_stream_maps;i++) {
1479 int fi = stream_maps[i].file_index;
1480 int si = stream_maps[i].stream_index;
1482 if (fi < 0 || fi > nb_input_files - 1 ||
1483 si < 0 || si > file_table[fi].nb_streams - 1) {
1484 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1487 fi = stream_maps[i].sync_file_index;
1488 si = stream_maps[i].sync_stream_index;
1489 if (fi < 0 || fi > nb_input_files - 1 ||
1490 si < 0 || si > file_table[fi].nb_streams - 1) {
1491 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1496 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1499 for(i=0;i<nb_ostreams;i++) {
1500 ost = av_mallocz(sizeof(AVOutputStream));
1507 for(k=0;k<nb_output_files;k++) {
1508 os = output_files[k];
1509 for(i=0;i<os->nb_streams;i++) {
1511 ost = ost_table[n++];
1512 ost->file_index = k;
1514 ost->st = os->streams[i];
1515 if (nb_stream_maps > 0) {
1516 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1517 stream_maps[n-1].stream_index;
1519 /* Sanity check that the stream types match */
1520 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1521 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1522 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1523 ost->file_index, ost->index);
1530 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1532 ost->source_index = j;
1536 /* get corresponding input stream index : we select the first one with the right type */
1538 for(j=0;j<nb_istreams;j++) {
1541 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1542 ost->source_index = j;
1550 if(! opt_programid) {
1551 /* try again and reuse existing stream */
1552 for(j=0;j<nb_istreams;j++) {
1554 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1555 ost->source_index = j;
1561 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1562 ost->file_index, ost->index);
1567 ist = ist_table[ost->source_index];
1569 ost->sync_ist = (nb_stream_maps > 0) ?
1570 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1571 stream_maps[n-1].sync_stream_index] : ist;
1575 /* for each output stream, we compute the right encoding parameters */
1576 for(i=0;i<nb_ostreams;i++) {
1578 os = output_files[ost->file_index];
1579 ist = ist_table[ost->source_index];
1581 codec = ost->st->codec;
1582 icodec = ist->st->codec;
1584 if (!ost->st->language[0])
1585 av_strlcpy(ost->st->language, ist->st->language,
1586 sizeof(ost->st->language));
1588 if (ost->st->stream_copy) {
1589 /* if stream_copy is selected, no need to decode or encode */
1590 codec->codec_id = icodec->codec_id;
1591 codec->codec_type = icodec->codec_type;
1593 if(!codec->codec_tag){
1594 if( !os->oformat->codec_tag
1595 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1596 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1597 codec->codec_tag = icodec->codec_tag;
1600 codec->bit_rate = icodec->bit_rate;
1601 codec->extradata= icodec->extradata;
1602 codec->extradata_size= icodec->extradata_size;
1603 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1604 codec->time_base = icodec->time_base;
1606 codec->time_base = ist->st->time_base;
1607 switch(codec->codec_type) {
1608 case CODEC_TYPE_AUDIO:
1609 codec->sample_rate = icodec->sample_rate;
1610 codec->channels = icodec->channels;
1611 codec->frame_size = icodec->frame_size;
1612 codec->block_align= icodec->block_align;
1613 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1614 codec->block_align= 0;
1616 case CODEC_TYPE_VIDEO:
1618 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1621 codec->pix_fmt = icodec->pix_fmt;
1622 codec->width = icodec->width;
1623 codec->height = icodec->height;
1624 codec->has_b_frames = icodec->has_b_frames;
1626 case CODEC_TYPE_SUBTITLE:
1632 switch(codec->codec_type) {
1633 case CODEC_TYPE_AUDIO:
1634 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1636 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1637 icodec->request_channels = codec->channels;
1638 ist->decoding_needed = 1;
1639 ost->encoding_needed = 1;
1641 case CODEC_TYPE_VIDEO:
1642 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1643 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1644 ost->video_resample = ((codec->width != icodec->width -
1645 (frame_leftBand + frame_rightBand) +
1646 (frame_padleft + frame_padright)) ||
1647 (codec->height != icodec->height -
1648 (frame_topBand + frame_bottomBand) +
1649 (frame_padtop + frame_padbottom)) ||
1650 (codec->pix_fmt != icodec->pix_fmt));
1651 if (ost->video_crop) {
1652 ost->topBand = frame_topBand;
1653 ost->leftBand = frame_leftBand;
1655 if (ost->video_pad) {
1656 ost->padtop = frame_padtop;
1657 ost->padleft = frame_padleft;
1658 ost->padbottom = frame_padbottom;
1659 ost->padright = frame_padright;
1660 if (!ost->video_resample) {
1661 avcodec_get_frame_defaults(&ost->pict_tmp);
1662 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1663 codec->width, codec->height ) )
1667 if (ost->video_resample) {
1668 avcodec_get_frame_defaults(&ost->pict_tmp);
1669 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1670 codec->width, codec->height ) ) {
1671 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1674 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1675 ost->img_resample_ctx = sws_getContext(
1676 icodec->width - (frame_leftBand + frame_rightBand),
1677 icodec->height - (frame_topBand + frame_bottomBand),
1679 codec->width - (frame_padleft + frame_padright),
1680 codec->height - (frame_padtop + frame_padbottom),
1682 sws_flags, NULL, NULL, NULL);
1683 if (ost->img_resample_ctx == NULL) {
1684 fprintf(stderr, "Cannot get resampling context\n");
1687 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1689 ost->encoding_needed = 1;
1690 ist->decoding_needed = 1;
1692 case CODEC_TYPE_SUBTITLE:
1693 ost->encoding_needed = 1;
1694 ist->decoding_needed = 1;
1701 if (ost->encoding_needed &&
1702 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1703 char logfilename[1024];
1708 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1710 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1711 if (codec->flags & CODEC_FLAG_PASS1) {
1712 f = fopen(logfilename, "w");
1714 perror(logfilename);
1719 /* read the log file */
1720 f = fopen(logfilename, "r");
1722 perror(logfilename);
1725 fseek(f, 0, SEEK_END);
1727 fseek(f, 0, SEEK_SET);
1728 logbuffer = av_malloc(size + 1);
1730 fprintf(stderr, "Could not allocate log buffer\n");
1733 size = fread(logbuffer, 1, size, f);
1735 logbuffer[size] = '\0';
1736 codec->stats_in = logbuffer;
1740 if(codec->codec_type == CODEC_TYPE_VIDEO){
1741 int size= codec->width * codec->height;
1742 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1747 bit_buffer = av_malloc(bit_buffer_size);
1751 /* dump the file output parameters - cannot be done before in case
1753 for(i=0;i<nb_output_files;i++) {
1754 dump_format(output_files[i], i, output_files[i]->filename, 1);
1757 /* dump the stream mapping */
1759 fprintf(stderr, "Stream mapping:\n");
1760 for(i=0;i<nb_ostreams;i++) {
1762 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1763 ist_table[ost->source_index]->file_index,
1764 ist_table[ost->source_index]->index,
1767 if (ost->sync_ist != ist_table[ost->source_index])
1768 fprintf(stderr, " [sync #%d.%d]",
1769 ost->sync_ist->file_index,
1770 ost->sync_ist->index);
1771 fprintf(stderr, "\n");
1775 /* open each encoder */
1776 for(i=0;i<nb_ostreams;i++) {
1778 if (ost->encoding_needed) {
1780 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1782 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1783 ost->file_index, ost->index);
1786 if (avcodec_open(ost->st->codec, codec) < 0) {
1787 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1788 ost->file_index, ost->index);
1791 extra_size += ost->st->codec->extradata_size;
1795 /* open each decoder */
1796 for(i=0;i<nb_istreams;i++) {
1798 if (ist->decoding_needed) {
1800 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1802 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1803 ist->st->codec->codec_id, ist->file_index, ist->index);
1806 if (avcodec_open(ist->st->codec, codec) < 0) {
1807 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1808 ist->file_index, ist->index);
1811 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1812 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1817 for(i=0;i<nb_istreams;i++) {
1819 is = input_files[ist->file_index];
1822 if( input_files_ts_offset[ist->file_index] != -is->start_time
1823 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1824 ist->next_pts= AV_NOPTS_VALUE;
1828 /* set meta data information from input file if required */
1829 for (i=0;i<nb_meta_data_maps;i++) {
1830 AVFormatContext *out_file;
1831 AVFormatContext *in_file;
1833 int out_file_index = meta_data_maps[i].out_file;
1834 int in_file_index = meta_data_maps[i].in_file;
1835 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1836 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1837 ret = AVERROR(EINVAL);
1840 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1841 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1842 ret = AVERROR(EINVAL);
1846 out_file = output_files[out_file_index];
1847 in_file = input_files[in_file_index];
1849 strcpy(out_file->title, in_file->title);
1850 strcpy(out_file->author, in_file->author);
1851 strcpy(out_file->copyright, in_file->copyright);
1852 strcpy(out_file->comment, in_file->comment);
1853 strcpy(out_file->album, in_file->album);
1854 out_file->year = in_file->year;
1855 out_file->track = in_file->track;
1856 strcpy(out_file->genre, in_file->genre);
1859 /* open files and write file headers */
1860 for(i=0;i<nb_output_files;i++) {
1861 os = output_files[i];
1862 if (av_write_header(os) < 0) {
1863 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1864 ret = AVERROR(EINVAL);
1867 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1872 print_sdp(output_files, nb_output_files);
1875 if ( !using_stdin && verbose >= 0) {
1876 fprintf(stderr, "Press [q] to stop encoding\n");
1877 url_set_interrupt_cb(decode_interrupt_cb);
1882 timer_start = av_gettime();
1884 for(; received_sigterm == 0;) {
1885 int file_index, ist_index;
1893 /* if 'q' pressed, exits */
1897 /* read_key() returns 0 on EOF */
1903 /* select the stream that we must read now by looking at the
1904 smallest output pts */
1906 for(i=0;i<nb_ostreams;i++) {
1909 os = output_files[ost->file_index];
1910 ist = ist_table[ost->source_index];
1911 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1912 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1914 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1915 ipts = (double)ist->pts;
1916 if (!file_table[ist->file_index].eof_reached){
1917 if(ipts < ipts_min) {
1919 if(input_sync ) file_index = ist->file_index;
1921 if(opts < opts_min) {
1923 if(!input_sync) file_index = ist->file_index;
1926 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1931 /* if none, if is finished */
1932 if (file_index < 0) {
1936 /* finish if recording time exhausted */
1937 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1940 /* finish if limit size exhausted */
1941 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1944 /* read a frame from it and output it in the fifo */
1945 is = input_files[file_index];
1946 if (av_read_frame(is, &pkt) < 0) {
1947 file_table[file_index].eof_reached = 1;
1955 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1957 /* the following test is needed in case new streams appear
1958 dynamically in stream : we ignore them */
1959 if (pkt.stream_index >= file_table[file_index].nb_streams)
1960 goto discard_packet;
1961 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1962 ist = ist_table[ist_index];
1964 goto discard_packet;
1966 if (pkt.dts != AV_NOPTS_VALUE)
1967 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1968 if (pkt.pts != AV_NOPTS_VALUE)
1969 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1971 // 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);
1972 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1973 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1974 int64_t delta= pkt_dts - ist->next_pts;
1975 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1976 input_files_ts_offset[ist->file_index]-= delta;
1978 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1979 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1980 if(pkt.pts != AV_NOPTS_VALUE)
1981 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1985 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1986 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1989 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1990 ist->file_index, ist->index);
1992 av_free_packet(&pkt);
1997 av_free_packet(&pkt);
1999 /* dump report by using the output first video and audio streams */
2000 print_report(output_files, ost_table, nb_ostreams, 0);
2003 /* at the end of stream, we must flush the decoder buffers */
2004 for(i=0;i<nb_istreams;i++) {
2006 if (ist->decoding_needed) {
2007 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2013 /* write the trailer if needed and close file */
2014 for(i=0;i<nb_output_files;i++) {
2015 os = output_files[i];
2016 av_write_trailer(os);
2019 /* dump report by using the first video and audio streams */
2020 print_report(output_files, ost_table, nb_ostreams, 1);
2022 /* close each encoder */
2023 for(i=0;i<nb_ostreams;i++) {
2025 if (ost->encoding_needed) {
2026 av_freep(&ost->st->codec->stats_in);
2027 avcodec_close(ost->st->codec);
2031 /* close each decoder */
2032 for(i=0;i<nb_istreams;i++) {
2034 if (ist->decoding_needed) {
2035 avcodec_close(ist->st->codec);
2043 av_freep(&bit_buffer);
2044 av_free(file_table);
2047 for(i=0;i<nb_istreams;i++) {
2054 for(i=0;i<nb_ostreams;i++) {
2058 fclose(ost->logfile);
2059 ost->logfile = NULL;
2061 av_fifo_free(&ost->fifo); /* works even if fifo is not
2062 initialized but set to zero */
2063 av_free(ost->pict_tmp.data[0]);
2064 if (ost->video_resample)
2065 sws_freeContext(ost->img_resample_ctx);
2067 audio_resample_close(ost->resample);
2075 ret = AVERROR(ENOMEM);
2080 int file_read(const char *filename)
2083 unsigned char buffer[1024];
2086 if (url_open(&h, filename, O_RDONLY) < 0) {
2087 printf("could not open '%s'\n", filename);
2091 len = url_read(h, buffer, sizeof(buffer));
2094 for(i=0;i<len;i++) putchar(buffer[i]);
2101 static void opt_format(const char *arg)
2103 /* compatibility stuff for pgmyuv */
2104 if (!strcmp(arg, "pgmyuv")) {
2105 pgmyuv_compatibility_hack=1;
2106 // opt_image_format(arg);
2108 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2111 file_iformat = av_find_input_format(arg);
2112 file_oformat = guess_format(arg, NULL, NULL);
2113 if (!file_iformat && !file_oformat) {
2114 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2119 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2120 extern int ffm_nopts;
2123 static int opt_default(const char *opt, const char *arg){
2125 const AVOption *o= NULL;
2126 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2128 for(type=0; type<CODEC_TYPE_NB; type++){
2129 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2131 o = av_set_string(avctx_opts[type], opt, arg);
2134 o = av_set_string(avformat_opts, opt, arg);
2136 o = av_set_string(sws_opts, opt, arg);
2139 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2140 else if(opt[0] == 'v')
2141 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2142 else if(opt[0] == 's')
2143 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2148 // 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));
2150 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2151 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2152 opt_names[opt_name_count++]= o->name;
2154 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2155 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2156 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2160 if(avctx_opts[0]->debug)
2161 av_log_set_level(AV_LOG_DEBUG);
2165 static void opt_video_rc_override_string(const char *arg)
2167 video_rc_override_string = arg;
2170 static void opt_me_threshold(const char *arg)
2172 me_threshold = atoi(arg);
2175 static void opt_verbose(const char *arg)
2177 verbose = atoi(arg);
2178 av_log_set_level(atoi(arg));
2181 static void opt_frame_rate(const char *arg)
2183 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2184 fprintf(stderr, "Incorrect frame rate\n");
2189 static int opt_bitrate(const char *opt, const char *arg)
2191 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2193 opt_default(opt, arg);
2195 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2196 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2201 static void opt_frame_crop_top(const char *arg)
2203 frame_topBand = atoi(arg);
2204 if (frame_topBand < 0) {
2205 fprintf(stderr, "Incorrect top crop size\n");
2208 if ((frame_topBand % 2) != 0) {
2209 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2212 if ((frame_topBand) >= frame_height){
2213 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2216 frame_height -= frame_topBand;
2219 static void opt_frame_crop_bottom(const char *arg)
2221 frame_bottomBand = atoi(arg);
2222 if (frame_bottomBand < 0) {
2223 fprintf(stderr, "Incorrect bottom crop size\n");
2226 if ((frame_bottomBand % 2) != 0) {
2227 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2230 if ((frame_bottomBand) >= frame_height){
2231 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2234 frame_height -= frame_bottomBand;
2237 static void opt_frame_crop_left(const char *arg)
2239 frame_leftBand = atoi(arg);
2240 if (frame_leftBand < 0) {
2241 fprintf(stderr, "Incorrect left crop size\n");
2244 if ((frame_leftBand % 2) != 0) {
2245 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2248 if ((frame_leftBand) >= frame_width){
2249 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2252 frame_width -= frame_leftBand;
2255 static void opt_frame_crop_right(const char *arg)
2257 frame_rightBand = atoi(arg);
2258 if (frame_rightBand < 0) {
2259 fprintf(stderr, "Incorrect right crop size\n");
2262 if ((frame_rightBand % 2) != 0) {
2263 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2266 if ((frame_rightBand) >= frame_width){
2267 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2270 frame_width -= frame_rightBand;
2273 static void opt_frame_size(const char *arg)
2275 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2276 fprintf(stderr, "Incorrect frame size\n");
2279 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2280 fprintf(stderr, "Frame size must be a multiple of 2\n");
2286 #define SCALEBITS 10
2287 #define ONE_HALF (1 << (SCALEBITS - 1))
2288 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2290 #define RGB_TO_Y(r, g, b) \
2291 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2292 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2294 #define RGB_TO_U(r1, g1, b1, shift)\
2295 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2296 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2298 #define RGB_TO_V(r1, g1, b1, shift)\
2299 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2300 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2302 static void opt_pad_color(const char *arg) {
2303 /* Input is expected to be six hex digits similar to
2304 how colors are expressed in html tags (but without the #) */
2305 int rgb = strtol(arg, NULL, 16);
2309 g = ((rgb >> 8) & 255);
2312 padcolor[0] = RGB_TO_Y(r,g,b);
2313 padcolor[1] = RGB_TO_U(r,g,b,0);
2314 padcolor[2] = RGB_TO_V(r,g,b,0);
2317 static void opt_frame_pad_top(const char *arg)
2319 frame_padtop = atoi(arg);
2320 if (frame_padtop < 0) {
2321 fprintf(stderr, "Incorrect top pad size\n");
2324 if ((frame_padtop % 2) != 0) {
2325 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2330 static void opt_frame_pad_bottom(const char *arg)
2332 frame_padbottom = atoi(arg);
2333 if (frame_padbottom < 0) {
2334 fprintf(stderr, "Incorrect bottom pad size\n");
2337 if ((frame_padbottom % 2) != 0) {
2338 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2344 static void opt_frame_pad_left(const char *arg)
2346 frame_padleft = atoi(arg);
2347 if (frame_padleft < 0) {
2348 fprintf(stderr, "Incorrect left pad size\n");
2351 if ((frame_padleft % 2) != 0) {
2352 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2358 static void opt_frame_pad_right(const char *arg)
2360 frame_padright = atoi(arg);
2361 if (frame_padright < 0) {
2362 fprintf(stderr, "Incorrect right pad size\n");
2365 if ((frame_padright % 2) != 0) {
2366 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2371 void list_pix_fmts(void)
2374 char pix_fmt_str[128];
2375 for (i=-1; i < PIX_FMT_NB; i++) {
2376 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2377 fprintf(stdout, "%s\n", pix_fmt_str);
2381 static void opt_frame_pix_fmt(const char *arg)
2383 if (strcmp(arg, "list"))
2384 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2391 static void opt_frame_aspect_ratio(const char *arg)
2397 p = strchr(arg, ':');
2399 x = strtol(arg, (char **)&arg, 10);
2401 y = strtol(arg+1, (char **)&arg, 10);
2403 ar = (double)x / (double)y;
2405 ar = strtod(arg, (char **)&arg);
2408 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2411 frame_aspect_ratio = ar;
2414 static void opt_qscale(const char *arg)
2416 video_qscale = atof(arg);
2417 if (video_qscale <= 0 ||
2418 video_qscale > 255) {
2419 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2424 static void opt_qdiff(const char *arg)
2426 video_qdiff = atoi(arg);
2427 if (video_qdiff < 0 ||
2429 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2434 static void opt_strict(const char *arg)
2439 static void opt_top_field_first(const char *arg)
2441 top_field_first= atoi(arg);
2444 static void opt_thread_count(const char *arg)
2446 thread_count= atoi(arg);
2447 #if !defined(HAVE_THREADS)
2449 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2453 static void opt_audio_rate(const char *arg)
2455 audio_sample_rate = atoi(arg);
2458 static void opt_audio_channels(const char *arg)
2460 audio_channels = atoi(arg);
2463 static void opt_video_channel(const char *arg)
2465 video_channel = strtol(arg, NULL, 0);
2468 static void opt_video_standard(const char *arg)
2470 video_standard = av_strdup(arg);
2473 static void opt_codec(int *pstream_copy, char **pcodec_name,
2474 int codec_type, const char *arg)
2476 av_freep(pcodec_name);
2477 if (!strcmp(arg, "copy")) {
2480 *pcodec_name = av_strdup(arg);
2484 static void opt_audio_codec(const char *arg)
2486 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2489 static void opt_audio_tag(const char *arg)
2492 audio_codec_tag= strtol(arg, &tail, 0);
2495 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2498 static void opt_video_tag(const char *arg)
2501 video_codec_tag= strtol(arg, &tail, 0);
2504 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2508 static void add_frame_hooker(const char *arg)
2513 char *args = av_strdup(arg);
2517 argv[0] = strtok(args, " ");
2518 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2521 i = frame_hook_add(argc, argv);
2524 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2530 static void opt_video_codec(const char *arg)
2532 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2535 static void opt_subtitle_codec(const char *arg)
2537 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2540 static void opt_map(const char *arg)
2546 m = &stream_maps[nb_stream_maps++];
2548 m->file_index = strtol(arg, (char **)&p, 0);
2552 m->stream_index = strtol(p, (char **)&p, 0);
2555 m->sync_file_index = strtol(p, (char **)&p, 0);
2558 m->sync_stream_index = strtol(p, (char **)&p, 0);
2560 m->sync_file_index = m->file_index;
2561 m->sync_stream_index = m->stream_index;
2565 static void opt_map_meta_data(const char *arg)
2571 m = &meta_data_maps[nb_meta_data_maps++];
2573 m->out_file = strtol(arg, (char **)&p, 0);
2577 m->in_file = strtol(p, (char **)&p, 0);
2580 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2582 int64_t us = parse_date(timestr, is_duration);
2583 if (us == INT64_MIN) {
2584 fprintf(stderr, "Invalid %s specification: %s\n",
2585 is_duration ? "duration" : "date", timestr);
2591 static void opt_recording_time(const char *arg)
2593 recording_time = parse_time_or_die(arg, 1);
2596 static void opt_start_time(const char *arg)
2598 start_time = parse_time_or_die(arg, 1);
2601 static void opt_rec_timestamp(const char *arg)
2603 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2606 static void opt_input_ts_offset(const char *arg)
2608 input_ts_offset = parse_time_or_die(arg, 1);
2611 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2613 char *codec_string = encoder ? "encoder" : "decoder";
2617 return CODEC_ID_NONE;
2619 avcodec_find_encoder_by_name(name) :
2620 avcodec_find_decoder_by_name(name);
2622 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2625 if(codec->type != type) {
2626 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2632 static void opt_input_file(const char *filename)
2634 AVFormatContext *ic;
2635 AVFormatParameters params, *ap = ¶ms;
2636 int err, i, ret, rfps, rfps_base;
2639 if (!strcmp(filename, "-"))
2642 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2643 !strcmp( filename, "/dev/stdin" );
2645 /* get default parameters from command line */
2646 ic = av_alloc_format_context();
2648 memset(ap, 0, sizeof(*ap));
2649 ap->prealloced_context = 1;
2650 ap->sample_rate = audio_sample_rate;
2651 ap->channels = audio_channels;
2652 ap->time_base.den = frame_rate.num;
2653 ap->time_base.num = frame_rate.den;
2654 ap->width = frame_width + frame_padleft + frame_padright;
2655 ap->height = frame_height + frame_padtop + frame_padbottom;
2656 ap->pix_fmt = frame_pix_fmt;
2657 ap->channel = video_channel;
2658 ap->standard = video_standard;
2659 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2660 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2661 if(pgmyuv_compatibility_hack)
2662 ap->video_codec_id= CODEC_ID_PGMYUV;
2664 for(i=0; i<opt_name_count; i++){
2666 const AVOption *opt;
2667 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2668 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2669 av_set_string(ic, opt_names[i], str);
2672 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2673 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2674 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2676 /* open the input file with generic libav function */
2677 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2679 print_error(filename, err);
2684 for(i=0; i<ic->nb_programs; i++)
2685 if(ic->programs[i]->id != opt_programid)
2686 ic->programs[i]->discard = AVDISCARD_ALL;
2689 ic->loop_input = loop_input;
2691 /* If not enough info to get the stream parameters, we decode the
2692 first frames to get it. (used in mpeg case for example) */
2693 ret = av_find_stream_info(ic);
2694 if (ret < 0 && verbose >= 0) {
2695 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2699 timestamp = start_time;
2700 /* add the stream start time */
2701 if (ic->start_time != AV_NOPTS_VALUE)
2702 timestamp += ic->start_time;
2704 /* if seeking requested, we execute it */
2705 if (start_time != 0) {
2706 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2708 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2709 filename, (double)timestamp / AV_TIME_BASE);
2711 /* reset seek info */
2715 /* update the current parameters so that they match the one of the input stream */
2716 for(i=0;i<ic->nb_streams;i++) {
2718 AVCodecContext *enc = ic->streams[i]->codec;
2720 avcodec_thread_init(enc, thread_count);
2721 enc->thread_count= thread_count;
2722 switch(enc->codec_type) {
2723 case CODEC_TYPE_AUDIO:
2724 for(j=0; j<opt_name_count; j++){
2726 const AVOption *opt;
2727 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2728 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2729 av_set_string(enc, opt_names[j], str);
2731 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2732 audio_channels = enc->channels;
2733 audio_sample_rate = enc->sample_rate;
2735 ic->streams[i]->discard= AVDISCARD_ALL;
2737 case CODEC_TYPE_VIDEO:
2738 for(j=0; j<opt_name_count; j++){
2740 const AVOption *opt;
2741 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2742 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2743 av_set_string(enc, opt_names[j], str);
2745 frame_height = enc->height;
2746 frame_width = enc->width;
2747 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2748 frame_pix_fmt = enc->pix_fmt;
2749 rfps = ic->streams[i]->r_frame_rate.num;
2750 rfps_base = ic->streams[i]->r_frame_rate.den;
2751 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2753 enc->debug |= FF_DEBUG_MV;
2755 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2758 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2759 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2761 (float)rfps / rfps_base, rfps, rfps_base);
2763 /* update the current frame rate to match the stream frame rate */
2764 frame_rate.num = rfps;
2765 frame_rate.den = rfps_base;
2767 enc->rate_emu = rate_emu;
2769 ic->streams[i]->discard= AVDISCARD_ALL;
2770 else if(video_discard)
2771 ic->streams[i]->discard= video_discard;
2773 case CODEC_TYPE_DATA:
2775 case CODEC_TYPE_SUBTITLE:
2776 if(subtitle_disable)
2777 ic->streams[i]->discard = AVDISCARD_ALL;
2779 case CODEC_TYPE_UNKNOWN:
2786 input_files[nb_input_files] = ic;
2787 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2788 /* dump the file content */
2790 dump_format(ic, nb_input_files, filename, 0);
2793 file_iformat = NULL;
2794 file_oformat = NULL;
2799 av_freep(&video_codec_name);
2800 av_freep(&audio_codec_name);
2801 av_freep(&subtitle_codec_name);
2804 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2805 int *has_subtitle_ptr)
2807 int has_video, has_audio, has_subtitle, i, j;
2808 AVFormatContext *ic;
2813 for(j=0;j<nb_input_files;j++) {
2814 ic = input_files[j];
2815 for(i=0;i<ic->nb_streams;i++) {
2816 AVCodecContext *enc = ic->streams[i]->codec;
2817 switch(enc->codec_type) {
2818 case CODEC_TYPE_AUDIO:
2821 case CODEC_TYPE_VIDEO:
2824 case CODEC_TYPE_SUBTITLE:
2827 case CODEC_TYPE_DATA:
2828 case CODEC_TYPE_UNKNOWN:
2835 *has_video_ptr = has_video;
2836 *has_audio_ptr = has_audio;
2837 *has_subtitle_ptr = has_subtitle;
2840 static void new_video_stream(AVFormatContext *oc)
2843 AVCodecContext *video_enc;
2846 st = av_new_stream(oc, oc->nb_streams);
2848 fprintf(stderr, "Could not alloc stream\n");
2851 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2852 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2853 video_bitstream_filters= NULL;
2856 avcodec_thread_init(st->codec, thread_count);
2858 video_enc = st->codec;
2861 video_enc->codec_tag= video_codec_tag;
2863 if( (video_global_header&1)
2864 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2865 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2866 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2868 if(video_global_header&2){
2869 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2870 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2873 if (video_stream_copy) {
2874 st->stream_copy = 1;
2875 video_enc->codec_type = CODEC_TYPE_VIDEO;
2880 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2882 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2883 if (video_codec_name)
2884 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2886 video_enc->codec_id = codec_id;
2887 codec = avcodec_find_encoder(codec_id);
2889 for(i=0; i<opt_name_count; i++){
2891 const AVOption *opt;
2892 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2893 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2894 av_set_string(video_enc, opt_names[i], str);
2897 video_enc->time_base.den = fps.num;
2898 video_enc->time_base.num = fps.den;
2899 if(codec && codec->supported_framerates){
2900 const AVRational *p= codec->supported_framerates;
2901 const AVRational *best=NULL;
2902 AVRational best_error= (AVRational){INT_MAX, 1};
2903 for(; p->den!=0; p++){
2904 AVRational error= av_sub_q(fps, *p);
2905 if(error.num <0) error.num *= -1;
2906 if(av_cmp_q(error, best_error) < 0){
2911 video_enc->time_base.den= best->num;
2912 video_enc->time_base.num= best->den;
2915 video_enc->width = frame_width + frame_padright + frame_padleft;
2916 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2917 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2918 video_enc->pix_fmt = frame_pix_fmt;
2920 if(codec && codec->pix_fmts){
2921 const enum PixelFormat *p= codec->pix_fmts;
2923 if(*p == video_enc->pix_fmt)
2927 video_enc->pix_fmt = codec->pix_fmts[0];
2931 video_enc->gop_size = 0;
2932 if (video_qscale || same_quality) {
2933 video_enc->flags |= CODEC_FLAG_QSCALE;
2934 video_enc->global_quality=
2935 st->quality = FF_QP2LAMBDA * video_qscale;
2939 video_enc->intra_matrix = intra_matrix;
2941 video_enc->inter_matrix = inter_matrix;
2943 video_enc->max_qdiff = video_qdiff;
2944 video_enc->thread_count = thread_count;
2945 p= video_rc_override_string;
2948 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2950 fprintf(stderr, "error parsing rc_override\n");
2953 video_enc->rc_override=
2954 av_realloc(video_enc->rc_override,
2955 sizeof(RcOverride)*(i+1));
2956 video_enc->rc_override[i].start_frame= start;
2957 video_enc->rc_override[i].end_frame = end;
2959 video_enc->rc_override[i].qscale= q;
2960 video_enc->rc_override[i].quality_factor= 1.0;
2963 video_enc->rc_override[i].qscale= 0;
2964 video_enc->rc_override[i].quality_factor= -q/100.0;
2969 video_enc->rc_override_count=i;
2970 if (!video_enc->rc_initial_buffer_occupancy)
2971 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2972 video_enc->me_threshold= me_threshold;
2973 video_enc->intra_dc_precision= intra_dc_precision - 8;
2974 video_enc->strict_std_compliance = strict;
2977 video_enc->flags|= CODEC_FLAG_PSNR;
2982 video_enc->flags |= CODEC_FLAG_PASS1;
2984 video_enc->flags |= CODEC_FLAG_PASS2;
2989 /* reset some key parameters */
2991 av_freep(&video_codec_name);
2992 video_stream_copy = 0;
2995 static void new_audio_stream(AVFormatContext *oc)
2998 AVCodecContext *audio_enc;
3001 st = av_new_stream(oc, oc->nb_streams);
3003 fprintf(stderr, "Could not alloc stream\n");
3006 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3008 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3009 audio_bitstream_filters= NULL;
3012 avcodec_thread_init(st->codec, thread_count);
3014 audio_enc = st->codec;
3015 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3016 audio_enc->strict_std_compliance = strict;
3019 audio_enc->codec_tag= audio_codec_tag;
3021 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3022 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3023 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3025 if (audio_stream_copy) {
3026 st->stream_copy = 1;
3027 audio_enc->channels = audio_channels;
3029 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3031 for(i=0; i<opt_name_count; i++){
3033 const AVOption *opt;
3034 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3035 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3036 av_set_string(audio_enc, opt_names[i], str);
3039 if (audio_codec_name)
3040 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3041 audio_enc->codec_id = codec_id;
3043 if (audio_qscale > QSCALE_NONE) {
3044 audio_enc->flags |= CODEC_FLAG_QSCALE;
3045 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3047 audio_enc->thread_count = thread_count;
3048 audio_enc->channels = audio_channels;
3050 audio_enc->sample_rate = audio_sample_rate;
3051 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3052 if (audio_language) {
3053 av_strlcpy(st->language, audio_language, sizeof(st->language));
3054 av_free(audio_language);
3055 audio_language = NULL;
3058 /* reset some key parameters */
3060 av_freep(&audio_codec_name);
3061 audio_stream_copy = 0;
3064 static void new_subtitle_stream(AVFormatContext *oc)
3067 AVCodecContext *subtitle_enc;
3070 st = av_new_stream(oc, oc->nb_streams);
3072 fprintf(stderr, "Could not alloc stream\n");
3075 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3077 subtitle_enc = st->codec;
3078 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3079 if (subtitle_stream_copy) {
3080 st->stream_copy = 1;
3082 for(i=0; i<opt_name_count; i++){
3084 const AVOption *opt;
3085 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3086 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3087 av_set_string(subtitle_enc, opt_names[i], str);
3089 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3092 if (subtitle_language) {
3093 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3094 av_free(subtitle_language);
3095 subtitle_language = NULL;
3098 subtitle_disable = 0;
3099 av_freep(&subtitle_codec_name);
3100 subtitle_stream_copy = 0;
3103 static void opt_new_audio_stream(void)
3105 AVFormatContext *oc;
3106 if (nb_output_files <= 0) {
3107 fprintf(stderr, "At least one output file must be specified\n");
3110 oc = output_files[nb_output_files - 1];
3111 new_audio_stream(oc);
3114 static void opt_new_video_stream(void)
3116 AVFormatContext *oc;
3117 if (nb_output_files <= 0) {
3118 fprintf(stderr, "At least one output file must be specified\n");
3121 oc = output_files[nb_output_files - 1];
3122 new_video_stream(oc);
3125 static void opt_new_subtitle_stream(void)
3127 AVFormatContext *oc;
3128 if (nb_output_files <= 0) {
3129 fprintf(stderr, "At least one output file must be specified\n");
3132 oc = output_files[nb_output_files - 1];
3133 new_subtitle_stream(oc);
3136 static void opt_output_file(const char *filename)
3138 AVFormatContext *oc;
3139 int use_video, use_audio, use_subtitle;
3140 int input_has_video, input_has_audio, input_has_subtitle, i;
3141 AVFormatParameters params, *ap = ¶ms;
3143 if (!strcmp(filename, "-"))
3146 oc = av_alloc_format_context();
3148 if (!file_oformat) {
3149 file_oformat = guess_format(NULL, filename, NULL);
3150 if (!file_oformat) {
3151 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3157 oc->oformat = file_oformat;
3158 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3160 if (!strcmp(file_oformat->name, "ffm") &&
3161 av_strstart(filename, "http:", NULL)) {
3162 /* special case for files sent to ffserver: we get the stream
3163 parameters from ffserver */
3164 if (read_ffserver_streams(oc, filename) < 0) {
3165 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3169 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3170 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3171 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3173 /* disable if no corresponding type found and at least one
3175 if (nb_input_files > 0) {
3176 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3177 &input_has_subtitle);
3178 if (!input_has_video)
3180 if (!input_has_audio)
3182 if (!input_has_subtitle)
3186 /* manual disable */
3187 if (audio_disable) {
3190 if (video_disable) {
3193 if (subtitle_disable) {
3198 new_video_stream(oc);
3202 new_audio_stream(oc);
3206 new_subtitle_stream(oc);
3209 oc->timestamp = rec_timestamp;
3212 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3214 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3216 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3218 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3220 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3222 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3225 output_files[nb_output_files++] = oc;
3227 /* check filename in case of an image number is expected */
3228 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3229 if (!av_filename_number_test(oc->filename)) {
3230 print_error(oc->filename, AVERROR_NUMEXPECTED);
3235 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3236 /* test if it already exists to avoid loosing precious files */
3237 if (!file_overwrite &&
3238 (strchr(filename, ':') == NULL ||
3239 filename[1] == ':' ||
3240 av_strstart(filename, "file:", NULL))) {
3241 if (url_exist(filename)) {
3244 if ( !using_stdin ) {
3245 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3248 if (toupper(c) != 'Y') {
3249 fprintf(stderr, "Not overwriting - exiting\n");
3254 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3261 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3262 fprintf(stderr, "Could not open '%s'\n", filename);
3267 memset(ap, 0, sizeof(*ap));
3268 if (av_set_parameters(oc, ap) < 0) {
3269 fprintf(stderr, "%s: Invalid encoding parameters\n",
3274 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3275 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3276 oc->loop_output = loop_output;
3278 for(i=0; i<opt_name_count; i++){
3280 const AVOption *opt;
3281 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3282 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3283 av_set_string(oc, opt_names[i], str);
3286 /* reset some options */
3287 file_oformat = NULL;
3288 file_iformat = NULL;
3291 /* same option as mencoder */
3292 static void opt_pass(const char *pass_str)
3295 pass = atoi(pass_str);
3296 if (pass != 1 && pass != 2) {
3297 fprintf(stderr, "pass number can be only 1 or 2\n");
3303 static int64_t getutime(void)
3305 #ifdef HAVE_GETRUSAGE
3306 struct rusage rusage;
3308 getrusage(RUSAGE_SELF, &rusage);
3309 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3310 #elif defined(HAVE_GETPROCESSTIMES)
3312 FILETIME c, e, k, u;
3313 proc = GetCurrentProcess();
3314 GetProcessTimes(proc, &c, &e, &k, &u);
3315 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3317 return av_gettime();
3321 static void opt_show_formats(void)
3323 AVInputFormat *ifmt=NULL;
3324 AVOutputFormat *ofmt=NULL;
3325 URLProtocol *up=NULL;
3326 AVCodec *p=NULL, *p2;
3327 AVBitStreamFilter *bsf=NULL;
3328 const char *last_name;
3330 printf("File formats:\n");
3335 const char *name=NULL;
3336 const char *long_name=NULL;
3338 while((ofmt= av_oformat_next(ofmt))) {
3339 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3340 strcmp(ofmt->name, last_name)>0){
3342 long_name= ofmt->long_name;
3346 while((ifmt= av_iformat_next(ifmt))) {
3347 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3348 strcmp(ifmt->name, last_name)>0){
3350 long_name= ifmt->long_name;
3353 if(name && strcmp(ifmt->name, name)==0)
3365 long_name ? long_name:" ");
3369 printf("Codecs:\n");
3375 const char *type_str;
3378 while((p= av_codec_next(p))) {
3379 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3380 strcmp(p->name, last_name)>0){
3382 decode= encode= cap=0;
3384 if(p2 && strcmp(p->name, p2->name)==0){
3385 if(p->decode) decode=1;
3386 if(p->encode) encode=1;
3387 cap |= p->capabilities;
3392 last_name= p2->name;
3395 case CODEC_TYPE_VIDEO:
3398 case CODEC_TYPE_AUDIO:
3401 case CODEC_TYPE_SUBTITLE:
3410 decode ? "D": (/*p2->decoder ? "d":*/" "),
3413 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3414 cap & CODEC_CAP_DR1 ? "D":" ",
3415 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3417 /* if(p2->decoder && decode==0)
3418 printf(" use %s for decoding", p2->decoder->name);*/
3423 printf("Bitstream filters:\n");
3424 while((bsf = av_bitstream_filter_next(bsf)))
3425 printf(" %s", bsf->name);
3428 printf("Supported file protocols:\n");
3429 while((up = av_protocol_next(up)))
3430 printf(" %s:", up->name);
3433 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3436 "Note, the names of encoders and decoders do not always match, so there are\n"
3437 "several cases where the above table shows encoder only or decoder only entries\n"
3438 "even though both encoding and decoding are supported. For example, the h263\n"
3439 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3444 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3447 const char *p = str;
3454 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3461 static void opt_inter_matrix(const char *arg)
3463 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3464 parse_matrix_coeffs(inter_matrix, arg);
3467 static void opt_intra_matrix(const char *arg)
3469 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3470 parse_matrix_coeffs(intra_matrix, arg);
3474 * Trivial log callback.
3475 * Only suitable for show_help and similar since it lacks prefix handling.
3477 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3479 vfprintf(stdout, fmt, vl);
3482 static void show_help(void)
3484 av_log_set_callback(log_callback_help);
3485 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3486 "Hyper fast Audio and Video encoder\n");
3488 show_help_options(options, "Main options:\n",
3489 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3490 show_help_options(options, "\nVideo options:\n",
3491 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3493 show_help_options(options, "\nAdvanced Video options:\n",
3494 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3495 OPT_VIDEO | OPT_EXPERT);
3496 show_help_options(options, "\nAudio options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3499 show_help_options(options, "\nAdvanced Audio options:\n",
3500 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3501 OPT_AUDIO | OPT_EXPERT);
3502 show_help_options(options, "\nSubtitle options:\n",
3503 OPT_SUBTITLE | OPT_GRAB,
3505 show_help_options(options, "\nAudio/Video grab options:\n",
3508 show_help_options(options, "\nAdvanced options:\n",
3509 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3511 av_opt_show(avctx_opts[0], NULL);
3512 av_opt_show(avformat_opts, NULL);
3513 av_opt_show(sws_opts, NULL);
3516 static void opt_show_help(void)
3522 static void opt_target(const char *arg)
3525 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3527 if(!strncmp(arg, "pal-", 4)) {
3530 } else if(!strncmp(arg, "ntsc-", 5)) {
3533 } else if(!strncmp(arg, "film-", 5)) {
3538 /* Calculate FR via float to avoid int overflow */
3539 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3542 } else if((fr == 29970) || (fr == 23976)) {
3545 /* Try to determine PAL/NTSC by peeking in the input files */
3546 if(nb_input_files) {
3548 for(j = 0; j < nb_input_files; j++) {
3549 for(i = 0; i < input_files[j]->nb_streams; i++) {
3550 AVCodecContext *c = input_files[j]->streams[i]->codec;
3551 if(c->codec_type != CODEC_TYPE_VIDEO)
3553 fr = c->time_base.den * 1000 / c->time_base.num;
3557 } else if((fr == 29970) || (fr == 23976)) {
3567 if(verbose && norm >= 0)
3568 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3572 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3573 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3574 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3578 if(!strcmp(arg, "vcd")) {
3580 opt_video_codec("mpeg1video");
3581 opt_audio_codec("mp2");
3584 opt_frame_size(norm ? "352x240" : "352x288");
3585 opt_frame_rate(frame_rates[norm]);
3586 opt_default("gop", norm ? "18" : "15");
3588 opt_default("b", "1150000");
3589 opt_default("maxrate", "1150000");
3590 opt_default("minrate", "1150000");
3591 opt_default("bufsize", "327680"); // 40*1024*8;
3593 opt_default("ab", "224000");
3594 audio_sample_rate = 44100;
3597 opt_default("packetsize", "2324");
3598 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3600 /* We have to offset the PTS, so that it is consistent with the SCR.
3601 SCR starts at 36000, but the first two packs contain only padding
3602 and the first pack from the other stream, respectively, may also have
3603 been written before.
3604 So the real data starts at SCR 36000+3*1200. */
3605 mux_preload= (36000+3*1200) / 90000.0; //0.44
3606 } else if(!strcmp(arg, "svcd")) {
3608 opt_video_codec("mpeg2video");
3609 opt_audio_codec("mp2");
3612 opt_frame_size(norm ? "480x480" : "480x576");
3613 opt_frame_rate(frame_rates[norm]);
3614 opt_default("gop", norm ? "18" : "15");
3616 opt_default("b", "2040000");
3617 opt_default("maxrate", "2516000");
3618 opt_default("minrate", "0"); //1145000;
3619 opt_default("bufsize", "1835008"); //224*1024*8;
3620 opt_default("flags", "+SCAN_OFFSET");
3623 opt_default("ab", "224000");
3624 audio_sample_rate = 44100;
3626 opt_default("packetsize", "2324");
3628 } else if(!strcmp(arg, "dvd")) {
3630 opt_video_codec("mpeg2video");
3631 opt_audio_codec("ac3");
3634 opt_frame_size(norm ? "720x480" : "720x576");
3635 opt_frame_rate(frame_rates[norm]);
3636 opt_default("gop", norm ? "18" : "15");
3638 opt_default("b", "6000000");
3639 opt_default("maxrate", "9000000");
3640 opt_default("minrate", "0"); //1500000;
3641 opt_default("bufsize", "1835008"); //224*1024*8;
3643 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3644 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3646 opt_default("ab", "448000");
3647 audio_sample_rate = 48000;
3649 } else if(!strncmp(arg, "dv", 2)) {
3653 opt_frame_size(norm ? "720x480" : "720x576");
3654 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3655 (norm ? "yuv411p" : "yuv420p"));
3656 opt_frame_rate(frame_rates[norm]);
3658 audio_sample_rate = 48000;
3662 fprintf(stderr, "Unknown target: %s\n", arg);
3667 static void opt_vstats_file (const char *arg)
3669 av_free (vstats_filename);
3670 vstats_filename=av_strdup (arg);
3673 static void opt_vstats (void)
3676 time_t today2 = time(NULL);
3677 struct tm *today = localtime(&today2);
3679 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3681 opt_vstats_file(filename);
3684 static int opt_bsf(const char *opt, const char *arg)
3686 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3687 AVBitStreamFilterContext **bsfp;
3690 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3694 bsfp= *opt == 'v' ? &video_bitstream_filters : &audio_bitstream_filters;
3696 bsfp= &(*bsfp)->next;
3703 static void opt_show_license(void)
3709 static void opt_show_version(void)
3711 show_version(program_name);
3715 const OptionDef options[] = {
3717 { "L", 0, {(void*)opt_show_license}, "show license" },
3718 { "h", 0, {(void*)opt_show_help}, "show help" },
3719 { "version", 0, {(void*)opt_show_version}, "show version" },
3720 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3721 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3722 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3723 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3724 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3725 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3726 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3727 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3728 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3729 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3730 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3731 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3732 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3733 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3734 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3735 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3736 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3737 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3738 "add timings for benchmarking" },
3739 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3740 "dump each input packet" },
3741 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3742 "when dumping packets, also dump the payload" },
3743 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3744 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3745 { "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)", "" },
3746 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3747 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3748 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3749 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3750 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3751 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3752 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3753 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3754 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3755 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3756 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3759 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3760 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3761 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3762 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3763 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3764 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3765 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3766 { "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" },
3767 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3768 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3769 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3770 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3771 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3772 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3773 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3774 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3775 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3776 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3777 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3778 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3779 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3780 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3781 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3782 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3783 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3784 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3785 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3786 "use same video quality as source (implies VBR)" },
3787 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3788 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3789 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3790 "deinterlace pictures" },
3791 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3792 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3793 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3795 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3797 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3798 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3799 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3800 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3801 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3802 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3803 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3806 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "" },
3807 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3808 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3809 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3810 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3811 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3812 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3813 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3814 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3815 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3816 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3818 /* subtitle options */
3819 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3820 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3821 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3822 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3825 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3826 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3827 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3830 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3831 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3833 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3834 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3836 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3840 static int av_exit()
3845 for(i=0;i<nb_output_files;i++) {
3846 /* maybe av_close_output_file ??? */
3847 AVFormatContext *s = output_files[i];
3849 if (!(s->oformat->flags & AVFMT_NOFILE))
3851 for(j=0;j<s->nb_streams;j++) {
3852 av_free(s->streams[j]->codec);
3853 av_free(s->streams[j]);
3857 for(i=0;i<nb_input_files;i++)
3858 av_close_input_file(input_files[i]);
3862 av_free(intra_matrix);
3863 av_free(inter_matrix);
3866 fclose(vstats_file);
3867 av_free(vstats_filename);
3871 av_free(video_codec_name);
3872 av_free(audio_codec_name);
3873 av_free(subtitle_codec_name);
3875 av_free(video_standard);
3877 #ifdef CONFIG_POWERPC_PERF
3878 extern void powerpc_display_perf_report(void);
3879 powerpc_display_perf_report();
3880 #endif /* CONFIG_POWERPC_PERF */
3882 if (received_sigterm) {
3884 "Received signal %d: terminating.\n",
3885 (int) received_sigterm);
3889 exit(0); /* not all OS-es handle main() return value */
3893 int main(int argc, char **argv)
3898 avcodec_register_all();
3899 avdevice_register_all();
3902 for(i=0; i<CODEC_TYPE_NB; i++){
3903 avctx_opts[i]= avcodec_alloc_context2(i);
3905 avformat_opts = av_alloc_format_context();
3906 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3908 show_banner(program_name, program_birth_year);
3915 parse_options(argc, argv, options, opt_output_file);
3917 /* file converter / grab */
3918 if (nb_output_files <= 0) {
3919 fprintf(stderr, "Must supply at least one output file\n");
3923 if (nb_input_files == 0) {
3924 fprintf(stderr, "Must supply at least one input file\n");
3929 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3930 stream_maps, nb_stream_maps);
3931 ti = getutime() - ti;
3933 printf("bench: utime=%0.3fs\n", ti / 1000000.0);