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
26 #include "framehook.h"
35 #include <sys/ioctl.h>
38 #include <sys/resource.h>
41 #include <sys/types.h>
42 #include <sys/select.h>
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
54 #if !defined(INFINITY) && defined(HUGE_VAL)
55 #define INFINITY HUGE_VAL
60 /* select an input stream for an output stream */
61 typedef struct AVStreamMap {
65 int sync_stream_index;
68 /** select an input file for an output file */
69 typedef struct AVMetaDataMap {
74 extern const OptionDef options[];
76 static void show_help(void);
77 static void show_license(void);
78 static int opt_default(const char *opt, const char *arg);
82 static AVFormatContext *input_files[MAX_FILES];
83 static int64_t input_files_ts_offset[MAX_FILES];
84 static int nb_input_files = 0;
86 static AVFormatContext *output_files[MAX_FILES];
87 static int nb_output_files = 0;
89 static AVStreamMap stream_maps[MAX_FILES];
90 static int nb_stream_maps;
92 static AVMetaDataMap meta_data_maps[MAX_FILES];
93 static int nb_meta_data_maps;
95 static AVInputFormat *file_iformat;
96 static AVOutputFormat *file_oformat;
97 static int frame_width = 0;
98 static int frame_height = 0;
99 static float frame_aspect_ratio = 0;
100 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
101 static int frame_padtop = 0;
102 static int frame_padbottom = 0;
103 static int frame_padleft = 0;
104 static int frame_padright = 0;
105 static int padcolor[3] = {16,128,128}; /* default to black */
106 static int frame_topBand = 0;
107 static int frame_bottomBand = 0;
108 static int frame_leftBand = 0;
109 static int frame_rightBand = 0;
110 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
111 static int frame_rate = 25;
112 static int frame_rate_base = 1;
113 static float video_qscale = 0;
114 static int video_qdiff = 3;
115 static uint16_t *intra_matrix = NULL;
116 static uint16_t *inter_matrix = NULL;
117 #if 0 //experimental, (can be removed)
118 static float video_rc_qsquish=1.0;
119 static float video_rc_qmod_amp=0;
120 static int video_rc_qmod_freq=0;
122 static char *video_rc_override_string=NULL;
123 static char *video_rc_eq="tex^qComp";
124 static int me_method = ME_EPZS;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static int video_codec_id = CODEC_ID_NONE;
128 static int video_codec_tag = 0;
129 static int same_quality = 0;
130 static int do_deinterlace = 0;
131 static int strict = 0;
132 static int top_field_first = -1;
133 static int me_threshold = 0;
134 static int intra_dc_precision = 8;
135 static int loop_input = 0;
136 static int loop_output = AVFMT_NOOUTPUTLOOP;
137 static int qp_hist = 0;
139 static int intra_only = 0;
140 static int audio_sample_rate = 44100;
141 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static int audio_codec_id = CODEC_ID_NONE;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
149 static int subtitle_codec_id = CODEC_ID_NONE;
150 static char *subtitle_language = NULL;
152 static float mux_preload= 0.5;
153 static float mux_max_delay= 0.7;
155 static int64_t recording_time = 0;
156 static int64_t start_time = 0;
157 static int64_t rec_timestamp = 0;
158 static int64_t input_ts_offset = 0;
159 static int file_overwrite = 0;
160 static char *str_title = NULL;
161 static char *str_author = NULL;
162 static char *str_copyright = NULL;
163 static char *str_comment = NULL;
164 static char *str_album = NULL;
165 static int do_benchmark = 0;
166 static int do_hex_dump = 0;
167 static int do_pkt_dump = 0;
168 static int do_psnr = 0;
169 static int do_pass = 0;
170 static char *pass_logfilename = NULL;
171 static int audio_stream_copy = 0;
172 static int video_stream_copy = 0;
173 static int subtitle_stream_copy = 0;
174 static int video_sync_method= 1;
175 static int audio_sync_method= 0;
176 static int copy_ts= 0;
177 static int opt_shortest = 0; //
178 static int video_global_header = 0;
179 static char *vstats_filename;
180 static FILE *fvstats;
182 static int rate_emu = 0;
184 static int video_channel = 0;
185 static char *video_standard;
187 static int audio_volume = 256;
189 static int using_stdin = 0;
190 static int using_vhook = 0;
191 static int verbose = 1;
192 static int thread_count= 1;
193 static int q_pressed = 0;
194 static int64_t video_size = 0;
195 static int64_t audio_size = 0;
196 static int64_t extra_size = 0;
197 static int nb_frames_dup = 0;
198 static int nb_frames_drop = 0;
199 static int input_sync;
200 static uint64_t limit_filesize = 0; //
202 static int pgmyuv_compatibility_hack=0;
203 static int dts_delta_threshold = 10;
205 static int sws_flags = SWS_BICUBIC;
207 const char **opt_names=NULL;
208 int opt_name_count=0;
209 AVCodecContext *avctx_opts[CODEC_TYPE_NB];
210 AVFormatContext *avformat_opts;
211 struct SwsContext *sws_opts;
212 static int64_t timer_start = 0;
214 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
215 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
216 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
218 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
220 struct AVInputStream;
222 typedef struct AVOutputStream {
223 int file_index; /* file index */
224 int index; /* stream index in the output file */
225 int source_index; /* AVInputStream index */
226 AVStream *st; /* stream in the output file */
227 int encoding_needed; /* true if encoding needed for this stream */
229 /* input pts and corresponding output pts
231 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
232 struct AVInputStream *sync_ist; /* input stream to sync against */
233 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
236 AVFrame pict_tmp; /* temporary image for resampling */
237 struct SwsContext *img_resample_ctx; /* for image resampling */
241 int topBand; /* cropping area sizes */
245 int padtop; /* padding area sizes */
252 ReSampleContext *resample; /* for audio resampling */
253 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
257 typedef struct AVInputStream {
261 int discard; /* true if stream data should be discarded */
262 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
263 int64_t sample_index; /* current sample */
265 int64_t start; /* time when read started */
266 unsigned long frame; /* current frame */
267 int64_t next_pts; /* synthetic pts for cases where pkt.pts
269 int64_t pts; /* current pts */
270 int is_start; /* is 1 at the start and after a discontinuity */
273 typedef struct AVInputFile {
274 int eof_reached; /* true if eof reached */
275 int ist_index; /* index of first stream in ist_table */
276 int buffer_size; /* current total buffer size */
277 int nb_streams; /* nb streams we are aware of */
282 /* init terminal so that we can grab keys */
283 static struct termios oldtty;
286 static void term_exit(void)
289 tcsetattr (0, TCSANOW, &oldtty);
293 static volatile sig_atomic_t received_sigterm = 0;
296 sigterm_handler(int sig)
298 received_sigterm = sig;
302 static void term_init(void)
310 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
311 |INLCR|IGNCR|ICRNL|IXON);
312 tty.c_oflag |= OPOST;
313 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
314 tty.c_cflag &= ~(CSIZE|PARENB);
319 tcsetattr (0, TCSANOW, &tty);
320 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
323 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
324 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
326 register a function to be called at normal program termination
329 #ifdef CONFIG_BEOS_NETSERVER
330 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
334 /* read a key without blocking */
335 static int read_key(void)
343 #ifndef CONFIG_BEOS_NETSERVER
351 n = select(1, &rfds, NULL, NULL, &tv);
364 static int decode_interrupt_cb(void)
366 return q_pressed || (q_pressed = read_key() == 'q');
369 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
374 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
377 /* copy stream format */
378 s->nb_streams = ic->nb_streams;
379 for(i=0;i<ic->nb_streams;i++) {
382 // FIXME: a more elegant solution is needed
383 st = av_mallocz(sizeof(AVStream));
384 memcpy(st, ic->streams[i], sizeof(AVStream));
385 st->codec = avcodec_alloc_context();
386 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
390 av_close_input_file(ic);
395 get_sync_ipts(const AVOutputStream *ost)
397 const AVInputStream *ist = ost->sync_ist;
398 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
401 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
403 AVPacket new_pkt= *pkt;
404 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
405 &new_pkt.data, &new_pkt.size,
406 pkt->data, pkt->size,
407 pkt->flags & PKT_FLAG_KEY);
410 new_pkt.destruct= av_destruct_packet;
417 av_interleaved_write_frame(s, pkt);
420 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
422 static void do_audio_out(AVFormatContext *s,
425 unsigned char *buf, int size)
428 static uint8_t *audio_buf = NULL;
429 static uint8_t *audio_out = NULL;
430 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
432 int size_out, frame_bytes, ret;
433 AVCodecContext *enc= ost->st->codec;
435 /* SC: dynamic allocation of buffers */
437 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
439 audio_out = av_malloc(audio_out_size);
440 if (!audio_buf || !audio_out)
441 return; /* Should signal an error ! */
443 if(audio_sync_method){
444 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
445 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
446 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
447 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
449 //FIXME resample delay
450 if(fabs(delta) > 50){
453 byte_delta= FFMAX(byte_delta, -size);
457 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
462 static uint8_t *input_tmp= NULL;
463 input_tmp= av_realloc(input_tmp, byte_delta + size);
465 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
468 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
470 memset(input_tmp, 0, byte_delta);
471 memcpy(input_tmp + byte_delta, buf, size);
475 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
477 }else if(audio_sync_method>1){
478 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
479 assert(ost->audio_resample);
481 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
482 // 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));
483 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
487 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
488 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
490 if (ost->audio_resample) {
492 size_out = audio_resample(ost->resample,
493 (short *)buftmp, (short *)buf,
494 size / (ist->st->codec->channels * 2));
495 size_out = size_out * enc->channels * 2;
501 /* now encode as many frames as possible */
502 if (enc->frame_size > 1) {
503 /* output resampled raw samples */
504 av_fifo_write(&ost->fifo, buftmp, size_out);
506 frame_bytes = enc->frame_size * 2 * enc->channels;
508 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
510 av_init_packet(&pkt);
512 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
515 pkt.stream_index= ost->index;
518 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
519 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
520 pkt.flags |= PKT_FLAG_KEY;
521 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
523 ost->sync_opts += enc->frame_size;
527 av_init_packet(&pkt);
529 ost->sync_opts += size_out / (2 * enc->channels);
531 /* output a pcm frame */
532 /* XXX: change encoding codec API to avoid this ? */
533 switch(enc->codec->id) {
534 case CODEC_ID_PCM_S32LE:
535 case CODEC_ID_PCM_S32BE:
536 case CODEC_ID_PCM_U32LE:
537 case CODEC_ID_PCM_U32BE:
538 size_out = size_out << 1;
540 case CODEC_ID_PCM_S24LE:
541 case CODEC_ID_PCM_S24BE:
542 case CODEC_ID_PCM_U24LE:
543 case CODEC_ID_PCM_U24BE:
544 case CODEC_ID_PCM_S24DAUD:
545 size_out = size_out / 2 * 3;
547 case CODEC_ID_PCM_S16LE:
548 case CODEC_ID_PCM_S16BE:
549 case CODEC_ID_PCM_U16LE:
550 case CODEC_ID_PCM_U16BE:
553 size_out = size_out >> 1;
556 ret = avcodec_encode_audio(enc, audio_out, size_out,
559 pkt.stream_index= ost->index;
562 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
563 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
564 pkt.flags |= PKT_FLAG_KEY;
565 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
569 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
573 AVPicture picture_tmp;
576 dec = ist->st->codec;
578 /* deinterlace : must be done before any resize */
579 if (do_deinterlace || using_vhook) {
582 /* create temporary picture */
583 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
584 buf = av_malloc(size);
588 picture2 = &picture_tmp;
589 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
592 if(avpicture_deinterlace(picture2, picture,
593 dec->pix_fmt, dec->width, dec->height) < 0) {
594 /* if error, do not deinterlace */
600 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
606 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
607 1000000 * ist->pts / AV_TIME_BASE);
609 if (picture != picture2)
610 *picture = *picture2;
614 /* we begin to correct av delay at this threshold */
615 #define AV_DELAY_MAX 0.100
617 static void do_subtitle_out(AVFormatContext *s,
623 static uint8_t *subtitle_out = NULL;
624 int subtitle_out_max_size = 65536;
625 int subtitle_out_size, nb, i;
629 if (pts == AV_NOPTS_VALUE) {
630 fprintf(stderr, "Subtitle packets must have a pts\n");
634 enc = ost->st->codec;
637 subtitle_out = av_malloc(subtitle_out_max_size);
640 /* Note: DVB subtitle need one packet to draw them and one other
641 packet to clear them */
642 /* XXX: signal it in the codec context ? */
643 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
648 for(i = 0; i < nb; i++) {
649 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
650 subtitle_out_max_size, sub);
652 av_init_packet(&pkt);
653 pkt.stream_index = ost->index;
654 pkt.data = subtitle_out;
655 pkt.size = subtitle_out_size;
656 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
657 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
658 /* XXX: the pts correction is handled here. Maybe handling
659 it in the codec would be better */
661 pkt.pts += 90 * sub->start_display_time;
663 pkt.pts += 90 * sub->end_display_time;
665 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
669 static int bit_buffer_size= 1024*256;
670 static uint8_t *bit_buffer= NULL;
672 static void do_video_out(AVFormatContext *s,
678 int nb_frames, i, ret;
679 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
680 AVFrame picture_crop_temp, picture_pad_temp;
681 AVCodecContext *enc, *dec;
683 avcodec_get_frame_defaults(&picture_crop_temp);
684 avcodec_get_frame_defaults(&picture_pad_temp);
686 enc = ost->st->codec;
687 dec = ist->st->codec;
689 /* by default, we output a single frame */
694 if(video_sync_method){
696 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
697 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
700 else if (vdelta > 1.1)
701 nb_frames = lrintf(vdelta);
702 //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);
706 fprintf(stderr, "*** drop!\n");
707 }else if (nb_frames > 1) {
708 nb_frames_dup += nb_frames;
710 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
713 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
715 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
719 if (ost->video_crop) {
720 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
721 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
724 formatted_picture = &picture_crop_temp;
726 formatted_picture = in_picture;
729 final_picture = formatted_picture;
730 padding_src = formatted_picture;
731 resampling_dst = &ost->pict_tmp;
732 if (ost->video_pad) {
733 final_picture = &ost->pict_tmp;
734 if (ost->video_resample) {
735 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
736 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
739 resampling_dst = &picture_pad_temp;
743 if (ost->video_resample) {
745 final_picture = &ost->pict_tmp;
746 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
747 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
750 if (ost->video_pad) {
751 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
752 enc->height, enc->width, enc->pix_fmt,
753 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
756 /* duplicates frame if needed */
757 for(i=0;i<nb_frames;i++) {
759 av_init_packet(&pkt);
760 pkt.stream_index= ost->index;
762 if (s->oformat->flags & AVFMT_RAWPICTURE) {
763 /* raw pictures are written as AVPicture structure to
764 avoid any copies. We support temorarily the older
766 AVFrame* old_frame = enc->coded_frame;
767 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
768 pkt.data= (uint8_t *)final_picture;
769 pkt.size= sizeof(AVPicture);
770 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
771 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
772 if(dec->coded_frame && dec->coded_frame->key_frame)
773 pkt.flags |= PKT_FLAG_KEY;
775 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
776 enc->coded_frame = old_frame;
780 big_picture= *final_picture;
781 /* better than nothing: use input picture interlaced
783 big_picture.interlaced_frame = in_picture->interlaced_frame;
784 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
785 if(top_field_first == -1)
786 big_picture.top_field_first = in_picture->top_field_first;
788 big_picture.top_field_first = top_field_first;
791 /* handles sameq here. This is not correct because it may
792 not be a global option */
794 big_picture.quality = ist->st->quality;
796 big_picture.quality = ost->st->quality;
798 big_picture.pict_type = 0;
799 // big_picture.pts = AV_NOPTS_VALUE;
800 big_picture.pts= ost->sync_opts;
801 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
802 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
803 ret = avcodec_encode_video(enc,
804 bit_buffer, bit_buffer_size,
807 fprintf(stderr, "Video encoding failed\n");
810 //enc->frame_number = enc->real_pict_num;
812 pkt.data= bit_buffer;
814 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
815 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
816 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
817 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
818 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
820 if(enc->coded_frame && enc->coded_frame->key_frame)
821 pkt.flags |= PKT_FLAG_KEY;
822 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
824 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
825 // enc->frame_number-1, enc->real_pict_num, ret,
827 /* if two pass, output log */
828 if (ost->logfile && enc->stats_out) {
829 fprintf(ost->logfile, "%s", enc->stats_out);
838 static double psnr(double d){
839 if(d==0) return INFINITY;
840 return -10.0*log(d)/log(10.0);
843 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
849 double ti1, bitrate, avg_bitrate;
851 /* this is executed just the first time do_video_stats is called */
853 fvstats = fopen(vstats_filename, "w");
861 enc = ost->st->codec;
862 if (enc->codec_type == CODEC_TYPE_VIDEO) {
863 frame_number = ost->frame_number;
864 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
865 if (enc->flags&CODEC_FLAG_PSNR)
866 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
868 fprintf(fvstats,"f_size= %6d ", frame_size);
869 /* compute pts value */
870 ti1 = ost->sync_opts * av_q2d(enc->time_base);
874 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
875 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
876 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
877 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
878 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
882 static void print_report(AVFormatContext **output_files,
883 AVOutputStream **ost_table, int nb_ostreams,
888 AVFormatContext *oc, *os;
891 int frame_number, vid, i;
892 double bitrate, ti1, pts;
893 static int64_t last_time = -1;
894 static int qp_histogram[52];
896 if (!is_last_report) {
898 /* display the report every 0.5 seconds */
899 cur_time = av_gettime();
900 if (last_time == -1) {
901 last_time = cur_time;
904 if ((cur_time - last_time) < 500000)
906 last_time = cur_time;
910 oc = output_files[0];
912 total_size = url_fsize(&oc->pb);
913 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
914 total_size= url_ftell(&oc->pb);
919 for(i=0;i<nb_ostreams;i++) {
921 os = output_files[ost->file_index];
922 enc = ost->st->codec;
923 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
924 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
925 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
927 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 float t = (av_gettime()-timer_start) / 1000000.0;
930 frame_number = ost->frame_number;
931 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
932 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
933 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
936 if(qp_hist && enc->coded_frame){
938 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
939 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
942 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
944 if (enc->flags&CODEC_FLAG_PSNR){
946 double error, error_sum=0;
947 double scale, scale_sum=0;
948 char type[3]= {'Y','U','V'};
949 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
952 error= enc->error[j];
953 scale= enc->width*enc->height*255.0*255.0*frame_number;
955 error= enc->coded_frame->error[j];
956 scale= enc->width*enc->height*255.0*255.0;
961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
963 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
967 /* compute min output value */
968 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
969 if ((pts < ti1) && (pts > 0))
975 if (verbose || is_last_report) {
976 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
978 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
979 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
980 (double)total_size / 1024, ti1, bitrate);
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
984 nb_frames_dup, nb_frames_drop);
987 fprintf(stderr, "%s \r", buf);
992 if (is_last_report && verbose >= 0){
993 int64_t raw= audio_size + video_size + extra_size;
994 fprintf(stderr, "\n");
995 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
999 100.0*(total_size - raw)/raw
1004 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1005 static int output_packet(AVInputStream *ist, int ist_index,
1006 AVOutputStream **ost_table, int nb_ostreams,
1007 const AVPacket *pkt)
1009 AVFormatContext *os;
1010 AVOutputStream *ost;
1014 int data_size, got_picture;
1016 void *buffer_to_free;
1017 static unsigned int samples_size= 0;
1018 static short *samples= NULL;
1019 AVSubtitle subtitle, *subtitle_to_free;
1023 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1024 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1025 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1027 // assert(ist->pts == ist->next_pts);
1041 /* decode the packet if needed */
1042 data_buf = NULL; /* fail safe */
1044 subtitle_to_free = NULL;
1045 if (ist->decoding_needed) {
1046 switch(ist->st->codec->codec_type) {
1047 case CODEC_TYPE_AUDIO:{
1049 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1050 data_size= samples_size;
1051 /* XXX: could avoid copy if PCM 16 bits with same
1052 endianness as CPU */
1053 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1059 /* Some bug in mpeg audio decoder gives */
1060 /* data_size < 0, it seems they are overflows */
1061 if (data_size <= 0) {
1062 /* no audio frame */
1065 data_buf = (uint8_t *)samples;
1066 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1067 (ist->st->codec->sample_rate * ist->st->codec->channels);
1069 case CODEC_TYPE_VIDEO:
1070 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1071 /* XXX: allocate picture correctly */
1072 avcodec_get_frame_defaults(&picture);
1074 ret = avcodec_decode_video(ist->st->codec,
1075 &picture, &got_picture, ptr, len);
1076 ist->st->quality= picture.quality;
1080 /* no picture yet */
1081 goto discard_packet;
1083 if (ist->st->codec->time_base.num != 0) {
1084 ist->next_pts += ((int64_t)AV_TIME_BASE *
1085 ist->st->codec->time_base.num) /
1086 ist->st->codec->time_base.den;
1090 case CODEC_TYPE_SUBTITLE:
1091 ret = avcodec_decode_subtitle(ist->st->codec,
1092 &subtitle, &got_subtitle, ptr, len);
1095 if (!got_subtitle) {
1096 goto discard_packet;
1098 subtitle_to_free = &subtitle;
1105 switch(ist->st->codec->codec_type) {
1106 case CODEC_TYPE_AUDIO:
1107 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1108 (ist->st->codec->sample_rate * ist->st->codec->channels);
1110 case CODEC_TYPE_VIDEO:
1111 if (ist->st->codec->time_base.num != 0) {
1112 ist->next_pts += ((int64_t)AV_TIME_BASE *
1113 ist->st->codec->time_base.num) /
1114 ist->st->codec->time_base.den;
1124 buffer_to_free = NULL;
1125 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1126 pre_process_video_frame(ist, (AVPicture *)&picture,
1130 // preprocess audio (volume)
1131 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1132 if (audio_volume != 256) {
1135 for(i=0;i<(data_size / sizeof(short));i++) {
1136 int v = ((*volp) * audio_volume + 128) >> 8;
1137 if (v < -32768) v = -32768;
1138 if (v > 32767) v = 32767;
1144 /* frame rate emulation */
1145 if (ist->st->codec->rate_emu) {
1146 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1147 int64_t now = av_gettime() - ist->start;
1155 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1156 is the one of the next displayed one */
1157 /* XXX: add mpeg4 too ? */
1158 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1159 if (ist->st->codec->pict_type != B_TYPE) {
1161 tmp = ist->last_ip_pts;
1162 ist->last_ip_pts = ist->frac_pts.val;
1163 ist->frac_pts.val = tmp;
1167 /* if output time reached then transcode raw format,
1168 encode packets and output them */
1169 if (start_time == 0 || ist->pts >= start_time)
1170 for(i=0;i<nb_ostreams;i++) {
1174 if (ost->source_index == ist_index) {
1175 os = output_files[ost->file_index];
1178 printf("%d: got pts=%0.3f %0.3f\n", i,
1179 (double)pkt->pts / AV_TIME_BASE,
1180 ((double)ist->pts / AV_TIME_BASE) -
1181 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1183 /* set the input output pts pairs */
1184 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1186 if (ost->encoding_needed) {
1187 switch(ost->st->codec->codec_type) {
1188 case CODEC_TYPE_AUDIO:
1189 do_audio_out(os, ost, ist, data_buf, data_size);
1191 case CODEC_TYPE_VIDEO:
1192 do_video_out(os, ost, ist, &picture, &frame_size);
1193 video_size += frame_size;
1194 if (vstats_filename && frame_size)
1195 do_video_stats(os, ost, frame_size);
1197 case CODEC_TYPE_SUBTITLE:
1198 do_subtitle_out(os, ost, ist, &subtitle,
1205 AVFrame avframe; //FIXME/XXX remove this
1207 av_init_packet(&opkt);
1209 /* no reencoding needed : output the packet directly */
1210 /* force the input stream PTS */
1212 avcodec_get_frame_defaults(&avframe);
1213 ost->st->codec->coded_frame= &avframe;
1214 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1216 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1217 audio_size += data_size;
1218 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1219 video_size += data_size;
1223 opkt.stream_index= ost->index;
1224 if(pkt->pts != AV_NOPTS_VALUE)
1225 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1227 opkt.pts= AV_NOPTS_VALUE;
1231 if (pkt->dts == AV_NOPTS_VALUE)
1232 dts = ist->next_pts;
1234 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1235 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1237 opkt.flags= pkt->flags;
1239 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1240 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1241 opkt.destruct= av_destruct_packet;
1243 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1244 ost->st->codec->frame_number++;
1245 ost->frame_number++;
1246 av_free_packet(&opkt);
1250 av_free(buffer_to_free);
1251 /* XXX: allocate the subtitles in the codec ? */
1252 if (subtitle_to_free) {
1253 if (subtitle_to_free->rects != NULL) {
1254 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1255 av_free(subtitle_to_free->rects[i].bitmap);
1256 av_free(subtitle_to_free->rects[i].rgba_palette);
1258 av_freep(&subtitle_to_free->rects);
1260 subtitle_to_free->num_rects = 0;
1261 subtitle_to_free = NULL;
1268 for(i=0;i<nb_ostreams;i++) {
1270 if (ost->source_index == ist_index) {
1271 AVCodecContext *enc= ost->st->codec;
1272 os = output_files[ost->file_index];
1274 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1276 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1279 if (ost->encoding_needed) {
1283 av_init_packet(&pkt);
1284 pkt.stream_index= ost->index;
1286 switch(ost->st->codec->codec_type) {
1287 case CODEC_TYPE_AUDIO:
1288 fifo_bytes = av_fifo_size(&ost->fifo);
1290 /* encode any samples remaining in fifo */
1291 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1292 int fs_tmp = enc->frame_size;
1293 enc->frame_size = fifo_bytes / (2 * enc->channels);
1294 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1295 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1297 enc->frame_size = fs_tmp;
1300 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1303 pkt.flags |= PKT_FLAG_KEY;
1305 case CODEC_TYPE_VIDEO:
1306 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1308 if(enc->coded_frame && enc->coded_frame->key_frame)
1309 pkt.flags |= PKT_FLAG_KEY;
1310 if (ost->logfile && enc->stats_out) {
1311 fprintf(ost->logfile, "%s", enc->stats_out);
1320 pkt.data= bit_buffer;
1322 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1323 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1324 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1338 * The following code is the main loop of the file converter
1340 static int av_encode(AVFormatContext **output_files,
1341 int nb_output_files,
1342 AVFormatContext **input_files,
1344 AVStreamMap *stream_maps, int nb_stream_maps)
1346 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1347 AVFormatContext *is, *os;
1348 AVCodecContext *codec, *icodec;
1349 AVOutputStream *ost, **ost_table = NULL;
1350 AVInputStream *ist, **ist_table = NULL;
1351 AVInputFile *file_table;
1354 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1358 /* input stream init */
1360 for(i=0;i<nb_input_files;i++) {
1361 is = input_files[i];
1362 file_table[i].ist_index = j;
1363 file_table[i].nb_streams = is->nb_streams;
1364 j += is->nb_streams;
1368 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1372 for(i=0;i<nb_istreams;i++) {
1373 ist = av_mallocz(sizeof(AVInputStream));
1379 for(i=0;i<nb_input_files;i++) {
1380 is = input_files[i];
1381 for(k=0;k<is->nb_streams;k++) {
1382 ist = ist_table[j++];
1383 ist->st = is->streams[k];
1384 ist->file_index = i;
1386 ist->discard = 1; /* the stream is discarded by default
1389 if (ist->st->codec->rate_emu) {
1390 ist->start = av_gettime();
1396 /* output stream init */
1398 for(i=0;i<nb_output_files;i++) {
1399 os = output_files[i];
1400 if (!os->nb_streams) {
1401 fprintf(stderr, "Output file does not contain any stream\n");
1404 nb_ostreams += os->nb_streams;
1406 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1407 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1411 /* Sanity check the mapping args -- do the input files & streams exist? */
1412 for(i=0;i<nb_stream_maps;i++) {
1413 int fi = stream_maps[i].file_index;
1414 int si = stream_maps[i].stream_index;
1416 if (fi < 0 || fi > nb_input_files - 1 ||
1417 si < 0 || si > file_table[fi].nb_streams - 1) {
1418 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1421 fi = stream_maps[i].sync_file_index;
1422 si = stream_maps[i].sync_stream_index;
1423 if (fi < 0 || fi > nb_input_files - 1 ||
1424 si < 0 || si > file_table[fi].nb_streams - 1) {
1425 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1430 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1433 for(i=0;i<nb_ostreams;i++) {
1434 ost = av_mallocz(sizeof(AVOutputStream));
1441 for(k=0;k<nb_output_files;k++) {
1442 os = output_files[k];
1443 for(i=0;i<os->nb_streams;i++) {
1445 ost = ost_table[n++];
1446 ost->file_index = k;
1448 ost->st = os->streams[i];
1449 if (nb_stream_maps > 0) {
1450 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1451 stream_maps[n-1].stream_index;
1453 /* Sanity check that the stream types match */
1454 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1455 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1456 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1457 ost->file_index, ost->index);
1462 /* get corresponding input stream index : we select the first one with the right type */
1464 for(j=0;j<nb_istreams;j++) {
1467 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1468 ost->source_index = j;
1475 /* try again and reuse existing stream */
1476 for(j=0;j<nb_istreams;j++) {
1478 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1479 ost->source_index = j;
1484 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1485 ost->file_index, ost->index);
1490 ist = ist_table[ost->source_index];
1492 ost->sync_ist = (nb_stream_maps > 0) ?
1493 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1494 stream_maps[n-1].sync_stream_index] : ist;
1498 /* for each output stream, we compute the right encoding parameters */
1499 for(i=0;i<nb_ostreams;i++) {
1501 ist = ist_table[ost->source_index];
1503 codec = ost->st->codec;
1504 icodec = ist->st->codec;
1506 if (ost->st->stream_copy) {
1507 /* if stream_copy is selected, no need to decode or encode */
1508 codec->codec_id = icodec->codec_id;
1509 codec->codec_type = icodec->codec_type;
1510 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1511 codec->bit_rate = icodec->bit_rate;
1512 codec->extradata= icodec->extradata;
1513 codec->extradata_size= icodec->extradata_size;
1514 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1515 codec->time_base = icodec->time_base;
1517 codec->time_base = ist->st->time_base;
1518 switch(codec->codec_type) {
1519 case CODEC_TYPE_AUDIO:
1520 codec->sample_rate = icodec->sample_rate;
1521 codec->channels = icodec->channels;
1522 codec->frame_size = icodec->frame_size;
1523 codec->block_align= icodec->block_align;
1525 case CODEC_TYPE_VIDEO:
1527 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1530 codec->pix_fmt = icodec->pix_fmt;
1531 codec->width = icodec->width;
1532 codec->height = icodec->height;
1533 codec->has_b_frames = icodec->has_b_frames;
1535 case CODEC_TYPE_SUBTITLE:
1541 switch(codec->codec_type) {
1542 case CODEC_TYPE_AUDIO:
1543 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1546 if (codec->channels == icodec->channels &&
1547 codec->sample_rate == icodec->sample_rate) {
1548 ost->audio_resample = 0;
1550 if (codec->channels != icodec->channels &&
1551 (icodec->codec_id == CODEC_ID_AC3 ||
1552 icodec->codec_id == CODEC_ID_DTS)) {
1553 /* Special case for 5:1 AC3 and DTS input */
1554 /* and mono or stereo output */
1555 /* Request specific number of channels */
1556 icodec->channels = codec->channels;
1557 if (codec->sample_rate == icodec->sample_rate)
1558 ost->audio_resample = 0;
1560 ost->audio_resample = 1;
1563 ost->audio_resample = 1;
1566 if(audio_sync_method>1)
1567 ost->audio_resample = 1;
1569 if(ost->audio_resample){
1570 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1571 codec->sample_rate, icodec->sample_rate);
1573 printf("Can't resample. Aborting.\n");
1577 ist->decoding_needed = 1;
1578 ost->encoding_needed = 1;
1580 case CODEC_TYPE_VIDEO:
1581 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1582 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1583 ost->video_resample = ((codec->width != icodec->width -
1584 (frame_leftBand + frame_rightBand) +
1585 (frame_padleft + frame_padright)) ||
1586 (codec->height != icodec->height -
1587 (frame_topBand + frame_bottomBand) +
1588 (frame_padtop + frame_padbottom)) ||
1589 (codec->pix_fmt != icodec->pix_fmt));
1590 if (ost->video_crop) {
1591 ost->topBand = frame_topBand;
1592 ost->leftBand = frame_leftBand;
1594 if (ost->video_pad) {
1595 ost->padtop = frame_padtop;
1596 ost->padleft = frame_padleft;
1597 ost->padbottom = frame_padbottom;
1598 ost->padright = frame_padright;
1599 if (!ost->video_resample) {
1600 avcodec_get_frame_defaults(&ost->pict_tmp);
1601 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1602 codec->width, codec->height ) )
1606 if (ost->video_resample) {
1607 avcodec_get_frame_defaults(&ost->pict_tmp);
1608 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1609 codec->width, codec->height ) ) {
1610 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1613 if (ENABLE_SWSCALER)
1614 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1615 ost->img_resample_ctx = sws_getContext(
1616 icodec->width - (frame_leftBand + frame_rightBand),
1617 icodec->height - (frame_topBand + frame_bottomBand),
1619 codec->width - (frame_padleft + frame_padright),
1620 codec->height - (frame_padtop + frame_padbottom),
1622 sws_flags, NULL, NULL, NULL);
1623 if (ost->img_resample_ctx == NULL) {
1624 fprintf(stderr, "Cannot get resampling context\n");
1627 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1629 ost->encoding_needed = 1;
1630 ist->decoding_needed = 1;
1632 case CODEC_TYPE_SUBTITLE:
1633 ost->encoding_needed = 1;
1634 ist->decoding_needed = 1;
1641 if (ost->encoding_needed &&
1642 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1643 char logfilename[1024];
1648 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1650 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1651 if (codec->flags & CODEC_FLAG_PASS1) {
1652 f = fopen(logfilename, "w");
1654 perror(logfilename);
1659 /* read the log file */
1660 f = fopen(logfilename, "r");
1662 perror(logfilename);
1665 fseek(f, 0, SEEK_END);
1667 fseek(f, 0, SEEK_SET);
1668 logbuffer = av_malloc(size + 1);
1670 fprintf(stderr, "Could not allocate log buffer\n");
1673 size = fread(logbuffer, 1, size, f);
1675 logbuffer[size] = '\0';
1676 codec->stats_in = logbuffer;
1680 if(codec->codec_type == CODEC_TYPE_VIDEO){
1681 int size= codec->width * codec->height;
1682 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1687 bit_buffer = av_malloc(bit_buffer_size);
1691 /* dump the file output parameters - cannot be done before in case
1693 for(i=0;i<nb_output_files;i++) {
1694 dump_format(output_files[i], i, output_files[i]->filename, 1);
1697 /* dump the stream mapping */
1699 fprintf(stderr, "Stream mapping:\n");
1700 for(i=0;i<nb_ostreams;i++) {
1702 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1703 ist_table[ost->source_index]->file_index,
1704 ist_table[ost->source_index]->index,
1707 if (ost->sync_ist != ist_table[ost->source_index])
1708 fprintf(stderr, " [sync #%d.%d]",
1709 ost->sync_ist->file_index,
1710 ost->sync_ist->index);
1711 fprintf(stderr, "\n");
1715 /* open each encoder */
1716 for(i=0;i<nb_ostreams;i++) {
1718 if (ost->encoding_needed) {
1720 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1722 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1723 ost->file_index, ost->index);
1726 if (avcodec_open(ost->st->codec, codec) < 0) {
1727 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1728 ost->file_index, ost->index);
1731 extra_size += ost->st->codec->extradata_size;
1735 /* open each decoder */
1736 for(i=0;i<nb_istreams;i++) {
1738 if (ist->decoding_needed) {
1740 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1742 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1743 ist->st->codec->codec_id, ist->file_index, ist->index);
1746 if (avcodec_open(ist->st->codec, codec) < 0) {
1747 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1748 ist->file_index, ist->index);
1751 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1752 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1757 for(i=0;i<nb_istreams;i++) {
1759 is = input_files[ist->file_index];
1761 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1762 if(ist->st->start_time == AV_NOPTS_VALUE)
1764 if(input_files_ts_offset[ist->file_index])
1765 ist->next_pts= AV_NOPTS_VALUE;
1769 /* set meta data information from input file if required */
1770 for (i=0;i<nb_meta_data_maps;i++) {
1771 AVFormatContext *out_file;
1772 AVFormatContext *in_file;
1774 int out_file_index = meta_data_maps[i].out_file;
1775 int in_file_index = meta_data_maps[i].in_file;
1776 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1777 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1778 ret = AVERROR(EINVAL);
1781 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1782 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1783 ret = AVERROR(EINVAL);
1787 out_file = output_files[out_file_index];
1788 in_file = input_files[in_file_index];
1790 strcpy(out_file->title, in_file->title);
1791 strcpy(out_file->author, in_file->author);
1792 strcpy(out_file->copyright, in_file->copyright);
1793 strcpy(out_file->comment, in_file->comment);
1794 strcpy(out_file->album, in_file->album);
1795 out_file->year = in_file->year;
1796 out_file->track = in_file->track;
1797 strcpy(out_file->genre, in_file->genre);
1800 /* open files and write file headers */
1801 for(i=0;i<nb_output_files;i++) {
1802 os = output_files[i];
1803 if (av_write_header(os) < 0) {
1804 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1805 ret = AVERROR(EINVAL);
1810 if ( !using_stdin && verbose >= 0) {
1811 fprintf(stderr, "Press [q] to stop encoding\n");
1812 url_set_interrupt_cb(decode_interrupt_cb);
1817 timer_start = av_gettime();
1819 for(; received_sigterm == 0;) {
1820 int file_index, ist_index;
1828 /* if 'q' pressed, exits */
1832 /* read_key() returns 0 on EOF */
1838 /* select the stream that we must read now by looking at the
1839 smallest output pts */
1841 for(i=0;i<nb_ostreams;i++) {
1844 os = output_files[ost->file_index];
1845 ist = ist_table[ost->source_index];
1846 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1847 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1849 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1850 ipts = (double)ist->pts;
1851 if (!file_table[ist->file_index].eof_reached){
1852 if(ipts < ipts_min) {
1854 if(input_sync ) file_index = ist->file_index;
1856 if(opts < opts_min) {
1858 if(!input_sync) file_index = ist->file_index;
1861 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1866 /* if none, if is finished */
1867 if (file_index < 0) {
1871 /* finish if recording time exhausted */
1872 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1875 /* finish if limit size exhausted */
1876 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1879 /* read a frame from it and output it in the fifo */
1880 is = input_files[file_index];
1881 if (av_read_frame(is, &pkt) < 0) {
1882 file_table[file_index].eof_reached = 1;
1883 if (opt_shortest) break; else continue; //
1887 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1889 /* the following test is needed in case new streams appear
1890 dynamically in stream : we ignore them */
1891 if (pkt.stream_index >= file_table[file_index].nb_streams)
1892 goto discard_packet;
1893 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1894 ist = ist_table[ist_index];
1896 goto discard_packet;
1898 // 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);
1899 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1900 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1901 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1902 input_files_ts_offset[ist->file_index]-= delta;
1904 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1905 for(i=0; i<file_table[file_index].nb_streams; i++){
1906 int index= file_table[file_index].ist_index + i;
1907 ist_table[index]->next_pts += delta;
1908 ist_table[index]->is_start=1;
1913 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1914 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1917 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1918 ist->file_index, ist->index);
1920 av_free_packet(&pkt);
1925 av_free_packet(&pkt);
1927 /* dump report by using the output first video and audio streams */
1928 print_report(output_files, ost_table, nb_ostreams, 0);
1931 /* at the end of stream, we must flush the decoder buffers */
1932 for(i=0;i<nb_istreams;i++) {
1934 if (ist->decoding_needed) {
1935 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1941 /* write the trailer if needed and close file */
1942 for(i=0;i<nb_output_files;i++) {
1943 os = output_files[i];
1944 av_write_trailer(os);
1947 /* dump report by using the first video and audio streams */
1948 print_report(output_files, ost_table, nb_ostreams, 1);
1950 /* close each encoder */
1951 for(i=0;i<nb_ostreams;i++) {
1953 if (ost->encoding_needed) {
1954 av_freep(&ost->st->codec->stats_in);
1955 avcodec_close(ost->st->codec);
1959 /* close each decoder */
1960 for(i=0;i<nb_istreams;i++) {
1962 if (ist->decoding_needed) {
1963 avcodec_close(ist->st->codec);
1971 av_freep(&bit_buffer);
1972 av_free(file_table);
1975 for(i=0;i<nb_istreams;i++) {
1982 for(i=0;i<nb_ostreams;i++) {
1986 fclose(ost->logfile);
1987 ost->logfile = NULL;
1989 av_fifo_free(&ost->fifo); /* works even if fifo is not
1990 initialized but set to zero */
1991 av_free(ost->pict_tmp.data[0]);
1992 if (ost->video_resample)
1993 sws_freeContext(ost->img_resample_ctx);
1994 if (ost->audio_resample)
1995 audio_resample_close(ost->resample);
2003 ret = AVERROR(ENOMEM);
2008 int file_read(const char *filename)
2011 unsigned char buffer[1024];
2014 if (url_open(&h, filename, O_RDONLY) < 0) {
2015 printf("could not open '%s'\n", filename);
2019 len = url_read(h, buffer, sizeof(buffer));
2022 for(i=0;i<len;i++) putchar(buffer[i]);
2029 static void opt_format(const char *arg)
2031 /* compatibility stuff for pgmyuv */
2032 if (!strcmp(arg, "pgmyuv")) {
2033 pgmyuv_compatibility_hack=1;
2034 // opt_image_format(arg);
2036 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2039 file_iformat = av_find_input_format(arg);
2040 file_oformat = guess_format(arg, NULL, NULL);
2041 if (!file_iformat && !file_oformat) {
2042 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2047 static void opt_video_rc_eq(char *arg)
2052 static void opt_video_rc_override_string(char *arg)
2054 video_rc_override_string = arg;
2057 static void opt_me_threshold(const char *arg)
2059 me_threshold = atoi(arg);
2062 static void opt_verbose(const char *arg)
2064 verbose = atoi(arg);
2065 av_log_level = atoi(arg);
2068 static void opt_frame_rate(const char *arg)
2070 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2071 fprintf(stderr, "Incorrect frame rate\n");
2076 static void opt_frame_crop_top(const char *arg)
2078 frame_topBand = atoi(arg);
2079 if (frame_topBand < 0) {
2080 fprintf(stderr, "Incorrect top crop size\n");
2083 if ((frame_topBand % 2) != 0) {
2084 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2087 if ((frame_topBand) >= frame_height){
2088 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2091 frame_height -= frame_topBand;
2094 static void opt_frame_crop_bottom(const char *arg)
2096 frame_bottomBand = atoi(arg);
2097 if (frame_bottomBand < 0) {
2098 fprintf(stderr, "Incorrect bottom crop size\n");
2101 if ((frame_bottomBand % 2) != 0) {
2102 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2105 if ((frame_bottomBand) >= frame_height){
2106 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2109 frame_height -= frame_bottomBand;
2112 static void opt_frame_crop_left(const char *arg)
2114 frame_leftBand = atoi(arg);
2115 if (frame_leftBand < 0) {
2116 fprintf(stderr, "Incorrect left crop size\n");
2119 if ((frame_leftBand % 2) != 0) {
2120 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2123 if ((frame_leftBand) >= frame_width){
2124 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2127 frame_width -= frame_leftBand;
2130 static void opt_frame_crop_right(const char *arg)
2132 frame_rightBand = atoi(arg);
2133 if (frame_rightBand < 0) {
2134 fprintf(stderr, "Incorrect right crop size\n");
2137 if ((frame_rightBand % 2) != 0) {
2138 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2141 if ((frame_rightBand) >= frame_width){
2142 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2145 frame_width -= frame_rightBand;
2148 static void opt_frame_size(const char *arg)
2150 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2151 fprintf(stderr, "Incorrect frame size\n");
2154 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2155 fprintf(stderr, "Frame size must be a multiple of 2\n");
2161 #define SCALEBITS 10
2162 #define ONE_HALF (1 << (SCALEBITS - 1))
2163 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2165 #define RGB_TO_Y(r, g, b) \
2166 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2167 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2169 #define RGB_TO_U(r1, g1, b1, shift)\
2170 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2171 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2173 #define RGB_TO_V(r1, g1, b1, shift)\
2174 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2175 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2177 static void opt_pad_color(const char *arg) {
2178 /* Input is expected to be six hex digits similar to
2179 how colors are expressed in html tags (but without the #) */
2180 int rgb = strtol(arg, NULL, 16);
2184 g = ((rgb >> 8) & 255);
2187 padcolor[0] = RGB_TO_Y(r,g,b);
2188 padcolor[1] = RGB_TO_U(r,g,b,0);
2189 padcolor[2] = RGB_TO_V(r,g,b,0);
2192 static void opt_frame_pad_top(const char *arg)
2194 frame_padtop = atoi(arg);
2195 if (frame_padtop < 0) {
2196 fprintf(stderr, "Incorrect top pad size\n");
2199 if ((frame_padtop % 2) != 0) {
2200 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2205 static void opt_frame_pad_bottom(const char *arg)
2207 frame_padbottom = atoi(arg);
2208 if (frame_padbottom < 0) {
2209 fprintf(stderr, "Incorrect bottom pad size\n");
2212 if ((frame_padbottom % 2) != 0) {
2213 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2219 static void opt_frame_pad_left(const char *arg)
2221 frame_padleft = atoi(arg);
2222 if (frame_padleft < 0) {
2223 fprintf(stderr, "Incorrect left pad size\n");
2226 if ((frame_padleft % 2) != 0) {
2227 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2233 static void opt_frame_pad_right(const char *arg)
2235 frame_padright = atoi(arg);
2236 if (frame_padright < 0) {
2237 fprintf(stderr, "Incorrect right pad size\n");
2240 if ((frame_padright % 2) != 0) {
2241 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2246 void list_pix_fmts(void)
2249 char pix_fmt_str[128];
2250 for (i=-1; i < PIX_FMT_NB; i++) {
2251 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2252 fprintf(stdout, "%s\n", pix_fmt_str);
2256 static void opt_frame_pix_fmt(const char *arg)
2258 if (strcmp(arg, "list"))
2259 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2266 static void opt_frame_aspect_ratio(const char *arg)
2272 p = strchr(arg, ':');
2274 x = strtol(arg, (char **)&arg, 10);
2276 y = strtol(arg+1, (char **)&arg, 10);
2278 ar = (double)x / (double)y;
2280 ar = strtod(arg, (char **)&arg);
2283 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2286 frame_aspect_ratio = ar;
2289 static void opt_qscale(const char *arg)
2291 video_qscale = atof(arg);
2292 if (video_qscale <= 0 ||
2293 video_qscale > 255) {
2294 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2299 static void opt_qdiff(const char *arg)
2301 video_qdiff = atoi(arg);
2302 if (video_qdiff < 0 ||
2304 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2309 static void opt_strict(const char *arg)
2314 static void opt_top_field_first(const char *arg)
2316 top_field_first= atoi(arg);
2319 static void opt_thread_count(const char *arg)
2321 thread_count= atoi(arg);
2322 #if !defined(HAVE_THREADS)
2324 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2328 static void opt_audio_rate(const char *arg)
2330 audio_sample_rate = atoi(arg);
2333 static void opt_audio_channels(const char *arg)
2335 audio_channels = atoi(arg);
2338 static void opt_video_channel(const char *arg)
2340 video_channel = strtol(arg, NULL, 0);
2343 static void opt_video_standard(const char *arg)
2345 video_standard = av_strdup(arg);
2348 static void opt_codec(int *pstream_copy, int *pcodec_id,
2349 int codec_type, const char *arg)
2353 if (!strcmp(arg, "copy")) {
2358 if (!strcmp(p->name, arg) && p->type == codec_type)
2363 fprintf(stderr, "Unknown codec '%s'\n", arg);
2371 static void opt_audio_codec(const char *arg)
2373 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2376 static void opt_audio_tag(const char *arg)
2379 audio_codec_tag= strtol(arg, &tail, 0);
2382 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2385 static void opt_video_tag(const char *arg)
2388 video_codec_tag= strtol(arg, &tail, 0);
2391 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2394 static void add_frame_hooker(const char *arg)
2399 char *args = av_strdup(arg);
2403 argv[0] = strtok(args, " ");
2404 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2407 i = frame_hook_add(argc, argv);
2410 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2415 const char *motion_str[] = {
2428 static void opt_motion_estimation(const char *arg)
2434 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2437 if (!strcmp(*p, arg))
2441 me_method = (p - motion_str) + 1;
2444 static void opt_video_codec(const char *arg)
2446 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2449 static void opt_subtitle_codec(const char *arg)
2451 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2454 static void opt_map(const char *arg)
2460 m = &stream_maps[nb_stream_maps++];
2462 m->file_index = strtol(arg, (char **)&p, 0);
2466 m->stream_index = strtol(p, (char **)&p, 0);
2469 m->sync_file_index = strtol(p, (char **)&p, 0);
2472 m->sync_stream_index = strtol(p, (char **)&p, 0);
2474 m->sync_file_index = m->file_index;
2475 m->sync_stream_index = m->stream_index;
2479 static void opt_map_meta_data(const char *arg)
2485 m = &meta_data_maps[nb_meta_data_maps++];
2487 m->out_file = strtol(arg, (char **)&p, 0);
2491 m->in_file = strtol(p, (char **)&p, 0);
2494 static void opt_recording_time(const char *arg)
2496 recording_time = parse_date(arg, 1);
2499 static void opt_start_time(const char *arg)
2501 start_time = parse_date(arg, 1);
2504 static void opt_rec_timestamp(const char *arg)
2506 rec_timestamp = parse_date(arg, 0) / 1000000;
2509 static void opt_input_ts_offset(const char *arg)
2511 input_ts_offset = parse_date(arg, 1);
2514 static void opt_input_file(const char *filename)
2516 AVFormatContext *ic;
2517 AVFormatParameters params, *ap = ¶ms;
2518 int err, i, ret, rfps, rfps_base;
2521 if (!strcmp(filename, "-"))
2524 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2525 !strcmp( filename, "/dev/stdin" );
2527 /* get default parameters from command line */
2528 ic = av_alloc_format_context();
2530 memset(ap, 0, sizeof(*ap));
2531 ap->prealloced_context = 1;
2532 ap->sample_rate = audio_sample_rate;
2533 ap->channels = audio_channels;
2534 ap->time_base.den = frame_rate;
2535 ap->time_base.num = frame_rate_base;
2536 ap->width = frame_width + frame_padleft + frame_padright;
2537 ap->height = frame_height + frame_padtop + frame_padbottom;
2538 ap->pix_fmt = frame_pix_fmt;
2539 ap->channel = video_channel;
2540 ap->standard = video_standard;
2541 ap->video_codec_id = video_codec_id;
2542 ap->audio_codec_id = audio_codec_id;
2543 if(pgmyuv_compatibility_hack)
2544 ap->video_codec_id= CODEC_ID_PGMYUV;
2546 for(i=0; i<opt_name_count; i++){
2547 const AVOption *opt;
2548 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2549 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2550 av_set_double(ic, opt_names[i], d);
2552 /* open the input file with generic libav function */
2553 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2555 print_error(filename, err);
2559 ic->loop_input = loop_input;
2561 /* If not enough info to get the stream parameters, we decode the
2562 first frames to get it. (used in mpeg case for example) */
2563 ret = av_find_stream_info(ic);
2564 if (ret < 0 && verbose >= 0) {
2565 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2569 timestamp = start_time;
2570 /* add the stream start time */
2571 if (ic->start_time != AV_NOPTS_VALUE)
2572 timestamp += ic->start_time;
2574 /* if seeking requested, we execute it */
2575 if (start_time != 0) {
2576 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2578 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2579 filename, (double)timestamp / AV_TIME_BASE);
2581 /* reset seek info */
2585 /* update the current parameters so that they match the one of the input stream */
2586 for(i=0;i<ic->nb_streams;i++) {
2588 AVCodecContext *enc = ic->streams[i]->codec;
2590 avcodec_thread_init(enc, thread_count);
2591 enc->thread_count= thread_count;
2592 switch(enc->codec_type) {
2593 case CODEC_TYPE_AUDIO:
2594 for(j=0; j<opt_name_count; j++){
2595 const AVOption *opt;
2596 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2597 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2598 av_set_double(enc, opt_names[j], d);
2600 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2601 audio_channels = enc->channels;
2602 audio_sample_rate = enc->sample_rate;
2604 ic->streams[i]->discard= AVDISCARD_ALL;
2606 case CODEC_TYPE_VIDEO:
2607 for(j=0; j<opt_name_count; j++){
2608 const AVOption *opt;
2609 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2610 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2611 av_set_double(enc, opt_names[j], d);
2613 frame_height = enc->height;
2614 frame_width = enc->width;
2615 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2616 frame_pix_fmt = enc->pix_fmt;
2617 rfps = ic->streams[i]->r_frame_rate.num;
2618 rfps_base = ic->streams[i]->r_frame_rate.den;
2619 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2621 enc->debug |= FF_DEBUG_MV;
2623 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2626 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2627 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2629 (float)rfps / rfps_base, rfps, rfps_base);
2631 /* update the current frame rate to match the stream frame rate */
2633 frame_rate_base = rfps_base;
2635 enc->rate_emu = rate_emu;
2637 ic->streams[i]->discard= AVDISCARD_ALL;
2638 else if(video_discard)
2639 ic->streams[i]->discard= video_discard;
2641 case CODEC_TYPE_DATA:
2643 case CODEC_TYPE_SUBTITLE:
2645 case CODEC_TYPE_UNKNOWN:
2652 input_files[nb_input_files] = ic;
2653 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2654 /* dump the file content */
2656 dump_format(ic, nb_input_files, filename, 0);
2659 file_iformat = NULL;
2660 file_oformat = NULL;
2667 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2669 int has_video, has_audio, i, j;
2670 AVFormatContext *ic;
2674 for(j=0;j<nb_input_files;j++) {
2675 ic = input_files[j];
2676 for(i=0;i<ic->nb_streams;i++) {
2677 AVCodecContext *enc = ic->streams[i]->codec;
2678 switch(enc->codec_type) {
2679 case CODEC_TYPE_AUDIO:
2682 case CODEC_TYPE_VIDEO:
2685 case CODEC_TYPE_DATA:
2686 case CODEC_TYPE_UNKNOWN:
2687 case CODEC_TYPE_SUBTITLE:
2694 *has_video_ptr = has_video;
2695 *has_audio_ptr = has_audio;
2698 static void new_video_stream(AVFormatContext *oc)
2701 AVCodecContext *video_enc;
2704 st = av_new_stream(oc, oc->nb_streams);
2706 fprintf(stderr, "Could not alloc stream\n");
2709 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2710 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2711 video_bitstream_filters= NULL;
2714 avcodec_thread_init(st->codec, thread_count);
2716 video_enc = st->codec;
2719 video_enc->codec_tag= video_codec_tag;
2721 if( (video_global_header&1)
2722 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2723 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2724 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2726 if(video_global_header&2){
2727 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2728 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2731 if (video_stream_copy) {
2732 st->stream_copy = 1;
2733 video_enc->codec_type = CODEC_TYPE_VIDEO;
2739 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2740 if (video_codec_id != CODEC_ID_NONE)
2741 codec_id = video_codec_id;
2743 video_enc->codec_id = codec_id;
2744 codec = avcodec_find_encoder(codec_id);
2746 for(i=0; i<opt_name_count; i++){
2747 const AVOption *opt;
2748 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2749 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2750 av_set_double(video_enc, opt_names[i], d);
2753 video_enc->time_base.den = frame_rate;
2754 video_enc->time_base.num = frame_rate_base;
2755 if(codec && codec->supported_framerates){
2756 const AVRational *p= codec->supported_framerates;
2757 AVRational req= (AVRational){frame_rate, frame_rate_base};
2758 const AVRational *best=NULL;
2759 AVRational best_error= (AVRational){INT_MAX, 1};
2760 for(; p->den!=0; p++){
2761 AVRational error= av_sub_q(req, *p);
2762 if(error.num <0) error.num *= -1;
2763 if(av_cmp_q(error, best_error) < 0){
2768 video_enc->time_base.den= best->num;
2769 video_enc->time_base.num= best->den;
2772 video_enc->width = frame_width + frame_padright + frame_padleft;
2773 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2774 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2775 video_enc->pix_fmt = frame_pix_fmt;
2777 if(codec && codec->pix_fmts){
2778 const enum PixelFormat *p= codec->pix_fmts;
2780 if(*p == video_enc->pix_fmt)
2784 video_enc->pix_fmt = codec->pix_fmts[0];
2788 video_enc->gop_size = 0;
2789 if (video_qscale || same_quality) {
2790 video_enc->flags |= CODEC_FLAG_QSCALE;
2791 video_enc->global_quality=
2792 st->quality = FF_QP2LAMBDA * video_qscale;
2796 video_enc->intra_matrix = intra_matrix;
2798 video_enc->inter_matrix = inter_matrix;
2800 video_enc->max_qdiff = video_qdiff;
2801 video_enc->rc_eq = video_rc_eq;
2802 video_enc->thread_count = thread_count;
2803 p= video_rc_override_string;
2806 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2808 fprintf(stderr, "error parsing rc_override\n");
2811 video_enc->rc_override=
2812 av_realloc(video_enc->rc_override,
2813 sizeof(RcOverride)*(i+1));
2814 video_enc->rc_override[i].start_frame= start;
2815 video_enc->rc_override[i].end_frame = end;
2817 video_enc->rc_override[i].qscale= q;
2818 video_enc->rc_override[i].quality_factor= 1.0;
2821 video_enc->rc_override[i].qscale= 0;
2822 video_enc->rc_override[i].quality_factor= -q/100.0;
2827 video_enc->rc_override_count=i;
2828 if (!video_enc->rc_initial_buffer_occupancy)
2829 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2830 video_enc->me_threshold= me_threshold;
2831 video_enc->intra_dc_precision= intra_dc_precision - 8;
2832 video_enc->strict_std_compliance = strict;
2835 video_enc->flags|= CODEC_FLAG_PSNR;
2837 video_enc->me_method = me_method;
2842 video_enc->flags |= CODEC_FLAG_PASS1;
2844 video_enc->flags |= CODEC_FLAG_PASS2;
2849 /* reset some key parameters */
2851 video_codec_id = CODEC_ID_NONE;
2852 video_stream_copy = 0;
2855 static void new_audio_stream(AVFormatContext *oc)
2858 AVCodecContext *audio_enc;
2861 st = av_new_stream(oc, oc->nb_streams);
2863 fprintf(stderr, "Could not alloc stream\n");
2866 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2868 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2869 audio_bitstream_filters= NULL;
2872 avcodec_thread_init(st->codec, thread_count);
2874 audio_enc = st->codec;
2875 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2876 audio_enc->strict_std_compliance = strict;
2879 audio_enc->codec_tag= audio_codec_tag;
2881 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2882 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2883 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2885 if (audio_stream_copy) {
2886 st->stream_copy = 1;
2887 audio_enc->channels = audio_channels;
2889 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2891 for(i=0; i<opt_name_count; i++){
2892 const AVOption *opt;
2893 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2894 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2895 av_set_double(audio_enc, opt_names[i], d);
2898 if (audio_codec_id != CODEC_ID_NONE)
2899 codec_id = audio_codec_id;
2900 audio_enc->codec_id = codec_id;
2902 if (audio_qscale > QSCALE_NONE) {
2903 audio_enc->flags |= CODEC_FLAG_QSCALE;
2904 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2906 audio_enc->thread_count = thread_count;
2907 audio_enc->channels = audio_channels;
2909 audio_enc->sample_rate = audio_sample_rate;
2910 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2911 if (audio_language) {
2912 pstrcpy(st->language, sizeof(st->language), audio_language);
2913 av_free(audio_language);
2914 audio_language = NULL;
2917 /* reset some key parameters */
2919 audio_codec_id = CODEC_ID_NONE;
2920 audio_stream_copy = 0;
2923 static void opt_new_subtitle_stream(void)
2925 AVFormatContext *oc;
2927 AVCodecContext *subtitle_enc;
2930 if (nb_output_files <= 0) {
2931 fprintf(stderr, "At least one output file must be specified\n");
2934 oc = output_files[nb_output_files - 1];
2936 st = av_new_stream(oc, oc->nb_streams);
2938 fprintf(stderr, "Could not alloc stream\n");
2941 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2943 subtitle_enc = st->codec;
2944 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2945 if (subtitle_stream_copy) {
2946 st->stream_copy = 1;
2948 for(i=0; i<opt_name_count; i++){
2949 const AVOption *opt;
2950 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2951 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2952 av_set_double(subtitle_enc, opt_names[i], d);
2954 subtitle_enc->codec_id = subtitle_codec_id;
2957 if (subtitle_language) {
2958 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2959 av_free(subtitle_language);
2960 subtitle_language = NULL;
2963 subtitle_codec_id = CODEC_ID_NONE;
2964 subtitle_stream_copy = 0;
2967 static void opt_new_audio_stream(void)
2969 AVFormatContext *oc;
2970 if (nb_output_files <= 0) {
2971 fprintf(stderr, "At least one output file must be specified\n");
2974 oc = output_files[nb_output_files - 1];
2975 new_audio_stream(oc);
2978 static void opt_new_video_stream(void)
2980 AVFormatContext *oc;
2981 if (nb_output_files <= 0) {
2982 fprintf(stderr, "At least one output file must be specified\n");
2985 oc = output_files[nb_output_files - 1];
2986 new_video_stream(oc);
2989 static void opt_output_file(const char *filename)
2991 AVFormatContext *oc;
2992 int use_video, use_audio, input_has_video, input_has_audio, i;
2993 AVFormatParameters params, *ap = ¶ms;
2995 if (!strcmp(filename, "-"))
2998 oc = av_alloc_format_context();
3000 if (!file_oformat) {
3001 file_oformat = guess_format(NULL, filename, NULL);
3002 if (!file_oformat) {
3003 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3009 oc->oformat = file_oformat;
3010 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3012 if (!strcmp(file_oformat->name, "ffm") &&
3013 strstart(filename, "http:", NULL)) {
3014 /* special case for files sent to ffserver: we get the stream
3015 parameters from ffserver */
3016 if (read_ffserver_streams(oc, filename) < 0) {
3017 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3021 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3022 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3024 /* disable if no corresponding type found and at least one
3026 if (nb_input_files > 0) {
3027 check_audio_video_inputs(&input_has_video, &input_has_audio);
3028 if (!input_has_video)
3030 if (!input_has_audio)
3034 /* manual disable */
3035 if (audio_disable) {
3038 if (video_disable) {
3043 new_video_stream(oc);
3047 new_audio_stream(oc);
3050 oc->timestamp = rec_timestamp;
3053 pstrcpy(oc->title, sizeof(oc->title), str_title);
3055 pstrcpy(oc->author, sizeof(oc->author), str_author);
3057 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3059 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3061 pstrcpy(oc->album, sizeof(oc->album), str_album);
3064 output_files[nb_output_files++] = oc;
3066 /* check filename in case of an image number is expected */
3067 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3068 if (!av_filename_number_test(oc->filename)) {
3069 print_error(oc->filename, AVERROR_NUMEXPECTED);
3074 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3075 /* test if it already exists to avoid loosing precious files */
3076 if (!file_overwrite &&
3077 (strchr(filename, ':') == NULL ||
3078 strstart(filename, "file:", NULL))) {
3079 if (url_exist(filename)) {
3082 if ( !using_stdin ) {
3083 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3086 if (toupper(c) != 'Y') {
3087 fprintf(stderr, "Not overwriting - exiting\n");
3092 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3099 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3100 fprintf(stderr, "Could not open '%s'\n", filename);
3105 memset(ap, 0, sizeof(*ap));
3106 if (av_set_parameters(oc, ap) < 0) {
3107 fprintf(stderr, "%s: Invalid encoding parameters\n",
3112 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3113 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3114 oc->loop_output = loop_output;
3116 for(i=0; i<opt_name_count; i++){
3117 const AVOption *opt;
3118 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3119 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3120 av_set_double(oc, opt_names[i], d);
3123 /* reset some options */
3124 file_oformat = NULL;
3125 file_iformat = NULL;
3128 /* same option as mencoder */
3129 static void opt_pass(const char *pass_str)
3132 pass = atoi(pass_str);
3133 if (pass != 1 && pass != 2) {
3134 fprintf(stderr, "pass number can be only 1 or 2\n");
3140 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3141 static int64_t getutime(void)
3143 return av_gettime();
3146 static int64_t getutime(void)
3148 struct rusage rusage;
3150 getrusage(RUSAGE_SELF, &rusage);
3151 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3155 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3156 extern int ffm_nopts;
3159 static void show_formats(void)
3161 AVInputFormat *ifmt;
3162 AVOutputFormat *ofmt;
3165 const char **pp, *last_name;
3167 printf("File formats:\n");
3172 const char *name=NULL;
3173 const char *long_name=NULL;
3175 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3176 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3177 strcmp(ofmt->name, last_name)>0){
3179 long_name= ofmt->long_name;
3183 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3184 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3185 strcmp(ifmt->name, last_name)>0){
3187 long_name= ifmt->long_name;
3190 if(name && strcmp(ifmt->name, name)==0)
3202 long_name ? long_name:" ");
3206 printf("Codecs:\n");
3212 const char *type_str;
3215 for(p = first_avcodec; p != NULL; p = p->next) {
3216 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3217 strcmp(p->name, last_name)>0){
3219 decode= encode= cap=0;
3221 if(p2 && strcmp(p->name, p2->name)==0){
3222 if(p->decode) decode=1;
3223 if(p->encode) encode=1;
3224 cap |= p->capabilities;
3229 last_name= p2->name;
3232 case CODEC_TYPE_VIDEO:
3235 case CODEC_TYPE_AUDIO:
3238 case CODEC_TYPE_SUBTITLE:
3247 decode ? "D": (/*p2->decoder ? "d":*/" "),
3250 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3251 cap & CODEC_CAP_DR1 ? "D":" ",
3252 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3254 /* if(p2->decoder && decode==0)
3255 printf(" use %s for decoding", p2->decoder->name);*/
3260 printf("Supported file protocols:\n");
3261 for(up = first_protocol; up != NULL; up = up->next)
3262 printf(" %s:", up->name);
3265 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3266 printf("Motion estimation methods:\n");
3270 if ((pp - motion_str + 1) == ME_ZERO)
3271 printf("(fastest)");
3272 else if ((pp - motion_str + 1) == ME_FULL)
3273 printf("(slowest)");
3274 else if ((pp - motion_str + 1) == ME_EPZS)
3275 printf("(default)");
3280 "Note, the names of encoders and decoders dont always match, so there are\n"
3281 "several cases where the above table shows encoder only or decoder only entries\n"
3282 "even though both encoding and decoding are supported for example, the h263\n"
3283 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3288 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3291 const char *p = str;
3298 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3305 static void opt_inter_matrix(const char *arg)
3307 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3308 parse_matrix_coeffs(inter_matrix, arg);
3311 static void opt_intra_matrix(const char *arg)
3313 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3314 parse_matrix_coeffs(intra_matrix, arg);
3317 static void opt_target(const char *arg)
3320 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3322 if(!strncmp(arg, "pal-", 4)) {
3325 } else if(!strncmp(arg, "ntsc-", 5)) {
3328 } else if(!strncmp(arg, "film-", 5)) {
3333 /* Calculate FR via float to avoid int overflow */
3334 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3337 } else if((fr == 29970) || (fr == 23976)) {
3340 /* Try to determine PAL/NTSC by peeking in the input files */
3341 if(nb_input_files) {
3343 for(j = 0; j < nb_input_files; j++) {
3344 for(i = 0; i < input_files[j]->nb_streams; i++) {
3345 AVCodecContext *c = input_files[j]->streams[i]->codec;
3346 if(c->codec_type != CODEC_TYPE_VIDEO)
3348 fr = c->time_base.den * 1000 / c->time_base.num;
3352 } else if((fr == 29970) || (fr == 23976)) {
3362 if(verbose && norm >= 0)
3363 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3367 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3368 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3369 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3373 if(!strcmp(arg, "vcd")) {
3375 opt_video_codec("mpeg1video");
3376 opt_audio_codec("mp2");
3379 opt_frame_size(norm ? "352x240" : "352x288");
3380 opt_frame_rate(frame_rates[norm]);
3381 opt_default("gop", norm ? "18" : "15");
3383 opt_default("b", "1150000");
3384 opt_default("maxrate", "1150000");
3385 opt_default("minrate", "1150000");
3386 opt_default("bufsize", "327680"); // 40*1024*8;
3388 opt_default("ab", "224000");
3389 audio_sample_rate = 44100;
3392 opt_default("packetsize", "2324");
3393 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3395 /* We have to offset the PTS, so that it is consistent with the SCR.
3396 SCR starts at 36000, but the first two packs contain only padding
3397 and the first pack from the other stream, respectively, may also have
3398 been written before.
3399 So the real data starts at SCR 36000+3*1200. */
3400 mux_preload= (36000+3*1200) / 90000.0; //0.44
3401 } else if(!strcmp(arg, "svcd")) {
3403 opt_video_codec("mpeg2video");
3404 opt_audio_codec("mp2");
3407 opt_frame_size(norm ? "480x480" : "480x576");
3408 opt_frame_rate(frame_rates[norm]);
3409 opt_default("gop", norm ? "18" : "15");
3411 opt_default("b", "2040000");
3412 opt_default("maxrate", "2516000");
3413 opt_default("minrate", "0"); //1145000;
3414 opt_default("bufsize", "1835008"); //224*1024*8;
3415 opt_default("flags", "+SCAN_OFFSET");
3418 opt_default("ab", "224000");
3419 audio_sample_rate = 44100;
3421 opt_default("packetsize", "2324");
3423 } else if(!strcmp(arg, "dvd")) {
3425 opt_video_codec("mpeg2video");
3426 opt_audio_codec("ac3");
3429 opt_frame_size(norm ? "720x480" : "720x576");
3430 opt_frame_rate(frame_rates[norm]);
3431 opt_default("gop", norm ? "18" : "15");
3433 opt_default("b", "6000000");
3434 opt_default("maxrate", "9000000");
3435 opt_default("minrate", "0"); //1500000;
3436 opt_default("bufsize", "1835008"); //224*1024*8;
3438 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3439 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3441 opt_default("ab", "448000");
3442 audio_sample_rate = 48000;
3444 } else if(!strncmp(arg, "dv", 2)) {
3448 opt_frame_size(norm ? "720x480" : "720x576");
3449 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3450 (norm ? "yuv411p" : "yuv420p"));
3451 opt_frame_rate(frame_rates[norm]);
3453 audio_sample_rate = 48000;
3457 fprintf(stderr, "Unknown target: %s\n", arg);
3462 static void opt_vstats_file (const char *arg)
3464 av_free (vstats_filename);
3465 vstats_filename=av_strdup (arg);
3468 static void opt_vstats (void)
3471 time_t today2 = time(NULL);
3472 struct tm *today = localtime(&today2);
3474 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3476 opt_vstats_file(filename);
3479 static void opt_video_bsf(const char *arg)
3481 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3482 AVBitStreamFilterContext **bsfp;
3485 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3489 bsfp= &video_bitstream_filters;
3491 bsfp= &(*bsfp)->next;
3496 //FIXME avoid audio - video code duplication
3497 static void opt_audio_bsf(const char *arg)
3499 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3500 AVBitStreamFilterContext **bsfp;
3503 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3507 bsfp= &audio_bitstream_filters;
3509 bsfp= &(*bsfp)->next;
3514 static void show_version(void)
3516 /* TODO: add function interface to avutil and avformat */
3517 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3521 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3525 static int opt_default(const char *opt, const char *arg){
3527 const AVOption *o= NULL;
3528 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3530 for(type=0; type<CODEC_TYPE_NB; type++){
3531 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3533 o = av_set_string(avctx_opts[type], opt, arg);
3536 o = av_set_string(avformat_opts, opt, arg);
3537 if(ENABLE_SWSCALER && !o)
3538 o = av_set_string(sws_opts, opt, arg);
3541 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3542 else if(opt[0] == 'v')
3543 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3544 else if(opt[0] == 's')
3545 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3550 // 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));
3552 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3553 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3554 opt_names[opt_name_count++]= o->name;
3556 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3557 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3558 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3562 if(avctx_opts[0]->debug)
3563 av_log_level = AV_LOG_DEBUG;
3567 const OptionDef options[] = {
3569 { "L", 0, {(void*)show_license}, "show license" },
3570 { "h", 0, {(void*)show_help}, "show help" },
3571 { "version", 0, {(void*)show_version}, "show version" },
3572 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3573 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3574 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3575 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3576 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3577 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3578 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3579 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3580 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3581 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3582 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3583 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3584 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3585 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3586 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3587 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3588 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3589 "add timings for benchmarking" },
3590 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3591 "dump each input packet" },
3592 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3593 "when dumping packets, also dump the payload" },
3594 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3595 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3596 { "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)", "" },
3597 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3598 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3599 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3600 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3601 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3602 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3603 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3604 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3605 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3608 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3609 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3610 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3611 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3612 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3613 { "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" },
3614 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3615 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3616 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3617 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3618 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3619 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3620 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3621 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3622 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3623 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3624 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3625 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3626 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3627 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3628 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3629 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3630 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3631 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3633 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3634 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3635 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3636 "use same video quality as source (implies VBR)" },
3637 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3638 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3639 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3640 "deinterlace pictures" },
3641 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3642 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3643 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3644 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3645 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3646 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3647 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3648 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3649 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3650 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3651 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3654 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3655 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3656 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3657 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3658 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3659 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3660 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3661 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3662 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3663 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3665 /* subtitle options */
3666 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3667 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3668 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3671 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3672 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3673 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3676 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3677 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3679 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3680 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3682 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3686 static void show_banner(void)
3688 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3689 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3690 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3691 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3692 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3693 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3695 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3697 fprintf(stderr, ", using a non-gcc compiler\n");
3701 static void show_license(void)
3706 "FFmpeg is free software; you can redistribute it and/or modify\n"
3707 "it under the terms of the GNU General Public License as published by\n"
3708 "the Free Software Foundation; either version 2 of the License, or\n"
3709 "(at your option) any later version.\n"
3711 "FFmpeg is distributed in the hope that it will be useful,\n"
3712 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3713 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3714 "GNU General Public License for more details.\n"
3716 "You should have received a copy of the GNU General Public License\n"
3717 "along with FFmpeg; if not, write to the Free Software\n"
3718 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
3722 "FFmpeg is free software; you can redistribute it and/or\n"
3723 "modify it under the terms of the GNU Lesser General Public\n"
3724 "License as published by the Free Software Foundation; either\n"
3725 "version 2.1 of the License, or (at your option) any later version.\n"
3727 "FFmpeg is distributed in the hope that it will be useful,\n"
3728 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3729 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3730 "Lesser General Public License for more details.\n"
3732 "You should have received a copy of the GNU Lesser General Public\n"
3733 "License along with FFmpeg; if not, write to the Free Software\n"
3734 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3741 * Trivial log callback.
3742 * Only suitable for show_help and similar since it lacks prefix handling.
3744 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3746 vfprintf(stdout, fmt, vl);
3749 static void show_help(void)
3751 av_log_set_callback(log_callback_help);
3753 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3754 "Hyper fast Audio and Video encoder\n");
3756 show_help_options(options, "Main options:\n",
3757 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3758 show_help_options(options, "\nVideo options:\n",
3759 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3761 show_help_options(options, "\nAdvanced Video options:\n",
3762 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3763 OPT_VIDEO | OPT_EXPERT);
3764 show_help_options(options, "\nAudio options:\n",
3765 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3767 show_help_options(options, "\nAdvanced Audio options:\n",
3768 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3769 OPT_AUDIO | OPT_EXPERT);
3770 show_help_options(options, "\nSubtitle options:\n",
3771 OPT_SUBTITLE | OPT_GRAB,
3773 show_help_options(options, "\nAudio/Video grab options:\n",
3776 show_help_options(options, "\nAdvanced options:\n",
3777 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3779 av_opt_show(avctx_opts[0], NULL);
3780 av_opt_show(avformat_opts, NULL);
3781 if (ENABLE_SWSCALER)
3782 av_opt_show(sws_opts, NULL);
3787 void parse_arg_file(const char *filename)
3789 opt_output_file(filename);
3792 int main(int argc, char **argv)
3799 for(i=0; i<CODEC_TYPE_NB; i++){
3800 avctx_opts[i]= avcodec_alloc_context2(i);
3802 avformat_opts = av_alloc_format_context();
3803 if (ENABLE_SWSCALER)
3804 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3812 parse_options(argc, argv, options);
3814 /* file converter / grab */
3815 if (nb_output_files <= 0) {
3816 fprintf(stderr, "Must supply at least one output file\n");
3820 if (nb_input_files == 0) {
3821 fprintf(stderr, "Must supply at least one input file\n");
3826 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3827 stream_maps, nb_stream_maps);
3828 ti = getutime() - ti;
3830 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3834 for(i=0;i<nb_output_files;i++) {
3835 /* maybe av_close_output_file ??? */
3836 AVFormatContext *s = output_files[i];
3838 if (!(s->oformat->flags & AVFMT_NOFILE))
3840 for(j=0;j<s->nb_streams;j++) {
3841 av_free(s->streams[j]->codec);
3842 av_free(s->streams[j]);
3846 for(i=0;i<nb_input_files;i++)
3847 av_close_input_file(input_files[i]);
3851 av_free(intra_matrix);
3852 av_free(inter_matrix);
3856 av_free(vstats_filename);
3860 av_free(video_standard);
3862 #ifdef CONFIG_POWERPC_PERF
3863 extern void powerpc_display_perf_report(void);
3864 powerpc_display_perf_report();
3865 #endif /* CONFIG_POWERPC_PERF */
3867 if (received_sigterm) {
3869 "Received signal %d: terminating.\n",
3870 (int) received_sigterm);
3874 exit(0); /* not all OS-es handle main() return value */