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
21 #define HAVE_AV_CONFIG_H
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 #ifdef CONFIG_SWSCALER
1614 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1616 ost->img_resample_ctx = sws_getContext(
1617 icodec->width - (frame_leftBand + frame_rightBand),
1618 icodec->height - (frame_topBand + frame_bottomBand),
1620 codec->width - (frame_padleft + frame_padright),
1621 codec->height - (frame_padtop + frame_padbottom),
1623 sws_flags, NULL, NULL, NULL);
1624 if (ost->img_resample_ctx == NULL) {
1625 fprintf(stderr, "Cannot get resampling context\n");
1628 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1630 ost->encoding_needed = 1;
1631 ist->decoding_needed = 1;
1633 case CODEC_TYPE_SUBTITLE:
1634 ost->encoding_needed = 1;
1635 ist->decoding_needed = 1;
1642 if (ost->encoding_needed &&
1643 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1644 char logfilename[1024];
1649 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1651 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1652 if (codec->flags & CODEC_FLAG_PASS1) {
1653 f = fopen(logfilename, "w");
1655 perror(logfilename);
1660 /* read the log file */
1661 f = fopen(logfilename, "r");
1663 perror(logfilename);
1666 fseek(f, 0, SEEK_END);
1668 fseek(f, 0, SEEK_SET);
1669 logbuffer = av_malloc(size + 1);
1671 fprintf(stderr, "Could not allocate log buffer\n");
1674 size = fread(logbuffer, 1, size, f);
1676 logbuffer[size] = '\0';
1677 codec->stats_in = logbuffer;
1681 if(codec->codec_type == CODEC_TYPE_VIDEO){
1682 int size= codec->width * codec->height;
1683 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1688 bit_buffer = av_malloc(bit_buffer_size);
1692 /* dump the file output parameters - cannot be done before in case
1694 for(i=0;i<nb_output_files;i++) {
1695 dump_format(output_files[i], i, output_files[i]->filename, 1);
1698 /* dump the stream mapping */
1700 fprintf(stderr, "Stream mapping:\n");
1701 for(i=0;i<nb_ostreams;i++) {
1703 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1704 ist_table[ost->source_index]->file_index,
1705 ist_table[ost->source_index]->index,
1708 if (ost->sync_ist != ist_table[ost->source_index])
1709 fprintf(stderr, " [sync #%d.%d]",
1710 ost->sync_ist->file_index,
1711 ost->sync_ist->index);
1712 fprintf(stderr, "\n");
1716 /* open each encoder */
1717 for(i=0;i<nb_ostreams;i++) {
1719 if (ost->encoding_needed) {
1721 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1723 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1724 ost->file_index, ost->index);
1727 if (avcodec_open(ost->st->codec, codec) < 0) {
1728 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1729 ost->file_index, ost->index);
1732 extra_size += ost->st->codec->extradata_size;
1736 /* open each decoder */
1737 for(i=0;i<nb_istreams;i++) {
1739 if (ist->decoding_needed) {
1741 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1743 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1744 ist->st->codec->codec_id, ist->file_index, ist->index);
1747 if (avcodec_open(ist->st->codec, codec) < 0) {
1748 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1749 ist->file_index, ist->index);
1752 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1753 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1758 for(i=0;i<nb_istreams;i++) {
1760 is = input_files[ist->file_index];
1762 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1763 if(ist->st->start_time == AV_NOPTS_VALUE)
1765 if(input_files_ts_offset[ist->file_index])
1766 ist->next_pts= AV_NOPTS_VALUE;
1770 /* set meta data information from input file if required */
1771 for (i=0;i<nb_meta_data_maps;i++) {
1772 AVFormatContext *out_file;
1773 AVFormatContext *in_file;
1775 int out_file_index = meta_data_maps[i].out_file;
1776 int in_file_index = meta_data_maps[i].in_file;
1777 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1778 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1779 ret = AVERROR(EINVAL);
1782 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1783 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1784 ret = AVERROR(EINVAL);
1788 out_file = output_files[out_file_index];
1789 in_file = input_files[in_file_index];
1791 strcpy(out_file->title, in_file->title);
1792 strcpy(out_file->author, in_file->author);
1793 strcpy(out_file->copyright, in_file->copyright);
1794 strcpy(out_file->comment, in_file->comment);
1795 strcpy(out_file->album, in_file->album);
1796 out_file->year = in_file->year;
1797 out_file->track = in_file->track;
1798 strcpy(out_file->genre, in_file->genre);
1801 /* open files and write file headers */
1802 for(i=0;i<nb_output_files;i++) {
1803 os = output_files[i];
1804 if (av_write_header(os) < 0) {
1805 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1806 ret = AVERROR(EINVAL);
1811 if ( !using_stdin && verbose >= 0) {
1812 fprintf(stderr, "Press [q] to stop encoding\n");
1813 url_set_interrupt_cb(decode_interrupt_cb);
1818 timer_start = av_gettime();
1820 for(; received_sigterm == 0;) {
1821 int file_index, ist_index;
1829 /* if 'q' pressed, exits */
1833 /* read_key() returns 0 on EOF */
1839 /* select the stream that we must read now by looking at the
1840 smallest output pts */
1842 for(i=0;i<nb_ostreams;i++) {
1845 os = output_files[ost->file_index];
1846 ist = ist_table[ost->source_index];
1847 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1848 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1850 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1851 ipts = (double)ist->pts;
1852 if (!file_table[ist->file_index].eof_reached){
1853 if(ipts < ipts_min) {
1855 if(input_sync ) file_index = ist->file_index;
1857 if(opts < opts_min) {
1859 if(!input_sync) file_index = ist->file_index;
1862 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1867 /* if none, if is finished */
1868 if (file_index < 0) {
1872 /* finish if recording time exhausted */
1873 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1876 /* finish if limit size exhausted */
1877 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1880 /* read a frame from it and output it in the fifo */
1881 is = input_files[file_index];
1882 if (av_read_frame(is, &pkt) < 0) {
1883 file_table[file_index].eof_reached = 1;
1884 if (opt_shortest) break; else continue; //
1888 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1890 /* the following test is needed in case new streams appear
1891 dynamically in stream : we ignore them */
1892 if (pkt.stream_index >= file_table[file_index].nb_streams)
1893 goto discard_packet;
1894 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1895 ist = ist_table[ist_index];
1897 goto discard_packet;
1899 // 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);
1900 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1901 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1902 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1903 input_files_ts_offset[ist->file_index]-= delta;
1905 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1906 for(i=0; i<file_table[file_index].nb_streams; i++){
1907 int index= file_table[file_index].ist_index + i;
1908 ist_table[index]->next_pts += delta;
1909 ist_table[index]->is_start=1;
1914 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1915 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1918 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1919 ist->file_index, ist->index);
1921 av_free_packet(&pkt);
1926 av_free_packet(&pkt);
1928 /* dump report by using the output first video and audio streams */
1929 print_report(output_files, ost_table, nb_ostreams, 0);
1932 /* at the end of stream, we must flush the decoder buffers */
1933 for(i=0;i<nb_istreams;i++) {
1935 if (ist->decoding_needed) {
1936 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1942 /* write the trailer if needed and close file */
1943 for(i=0;i<nb_output_files;i++) {
1944 os = output_files[i];
1945 av_write_trailer(os);
1948 /* dump report by using the first video and audio streams */
1949 print_report(output_files, ost_table, nb_ostreams, 1);
1951 /* close each encoder */
1952 for(i=0;i<nb_ostreams;i++) {
1954 if (ost->encoding_needed) {
1955 av_freep(&ost->st->codec->stats_in);
1956 avcodec_close(ost->st->codec);
1960 /* close each decoder */
1961 for(i=0;i<nb_istreams;i++) {
1963 if (ist->decoding_needed) {
1964 avcodec_close(ist->st->codec);
1972 av_freep(&bit_buffer);
1973 av_free(file_table);
1976 for(i=0;i<nb_istreams;i++) {
1983 for(i=0;i<nb_ostreams;i++) {
1987 fclose(ost->logfile);
1988 ost->logfile = NULL;
1990 av_fifo_free(&ost->fifo); /* works even if fifo is not
1991 initialized but set to zero */
1992 av_free(ost->pict_tmp.data[0]);
1993 if (ost->video_resample)
1994 sws_freeContext(ost->img_resample_ctx);
1995 if (ost->audio_resample)
1996 audio_resample_close(ost->resample);
2004 ret = AVERROR(ENOMEM);
2009 int file_read(const char *filename)
2012 unsigned char buffer[1024];
2015 if (url_open(&h, filename, O_RDONLY) < 0) {
2016 printf("could not open '%s'\n", filename);
2020 len = url_read(h, buffer, sizeof(buffer));
2023 for(i=0;i<len;i++) putchar(buffer[i]);
2030 static void opt_format(const char *arg)
2032 /* compatibility stuff for pgmyuv */
2033 if (!strcmp(arg, "pgmyuv")) {
2034 pgmyuv_compatibility_hack=1;
2035 // opt_image_format(arg);
2037 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2040 file_iformat = av_find_input_format(arg);
2041 file_oformat = guess_format(arg, NULL, NULL);
2042 if (!file_iformat && !file_oformat) {
2043 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2048 static void opt_video_rc_eq(char *arg)
2053 static void opt_video_rc_override_string(char *arg)
2055 video_rc_override_string = arg;
2058 static void opt_me_threshold(const char *arg)
2060 me_threshold = atoi(arg);
2063 static void opt_verbose(const char *arg)
2065 verbose = atoi(arg);
2066 av_log_level = atoi(arg);
2069 static void opt_frame_rate(const char *arg)
2071 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2072 fprintf(stderr, "Incorrect frame rate\n");
2077 static void opt_frame_crop_top(const char *arg)
2079 frame_topBand = atoi(arg);
2080 if (frame_topBand < 0) {
2081 fprintf(stderr, "Incorrect top crop size\n");
2084 if ((frame_topBand % 2) != 0) {
2085 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2088 if ((frame_topBand) >= frame_height){
2089 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2092 frame_height -= frame_topBand;
2095 static void opt_frame_crop_bottom(const char *arg)
2097 frame_bottomBand = atoi(arg);
2098 if (frame_bottomBand < 0) {
2099 fprintf(stderr, "Incorrect bottom crop size\n");
2102 if ((frame_bottomBand % 2) != 0) {
2103 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2106 if ((frame_bottomBand) >= frame_height){
2107 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2110 frame_height -= frame_bottomBand;
2113 static void opt_frame_crop_left(const char *arg)
2115 frame_leftBand = atoi(arg);
2116 if (frame_leftBand < 0) {
2117 fprintf(stderr, "Incorrect left crop size\n");
2120 if ((frame_leftBand % 2) != 0) {
2121 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2124 if ((frame_leftBand) >= frame_width){
2125 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2128 frame_width -= frame_leftBand;
2131 static void opt_frame_crop_right(const char *arg)
2133 frame_rightBand = atoi(arg);
2134 if (frame_rightBand < 0) {
2135 fprintf(stderr, "Incorrect right crop size\n");
2138 if ((frame_rightBand % 2) != 0) {
2139 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2142 if ((frame_rightBand) >= frame_width){
2143 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2146 frame_width -= frame_rightBand;
2149 static void opt_frame_size(const char *arg)
2151 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2152 fprintf(stderr, "Incorrect frame size\n");
2155 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2156 fprintf(stderr, "Frame size must be a multiple of 2\n");
2162 #define SCALEBITS 10
2163 #define ONE_HALF (1 << (SCALEBITS - 1))
2164 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2166 #define RGB_TO_Y(r, g, b) \
2167 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2168 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2170 #define RGB_TO_U(r1, g1, b1, shift)\
2171 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2172 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2174 #define RGB_TO_V(r1, g1, b1, shift)\
2175 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2176 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2178 static void opt_pad_color(const char *arg) {
2179 /* Input is expected to be six hex digits similar to
2180 how colors are expressed in html tags (but without the #) */
2181 int rgb = strtol(arg, NULL, 16);
2185 g = ((rgb >> 8) & 255);
2188 padcolor[0] = RGB_TO_Y(r,g,b);
2189 padcolor[1] = RGB_TO_U(r,g,b,0);
2190 padcolor[2] = RGB_TO_V(r,g,b,0);
2193 static void opt_frame_pad_top(const char *arg)
2195 frame_padtop = atoi(arg);
2196 if (frame_padtop < 0) {
2197 fprintf(stderr, "Incorrect top pad size\n");
2200 if ((frame_padtop % 2) != 0) {
2201 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2206 static void opt_frame_pad_bottom(const char *arg)
2208 frame_padbottom = atoi(arg);
2209 if (frame_padbottom < 0) {
2210 fprintf(stderr, "Incorrect bottom pad size\n");
2213 if ((frame_padbottom % 2) != 0) {
2214 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2220 static void opt_frame_pad_left(const char *arg)
2222 frame_padleft = atoi(arg);
2223 if (frame_padleft < 0) {
2224 fprintf(stderr, "Incorrect left pad size\n");
2227 if ((frame_padleft % 2) != 0) {
2228 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2234 static void opt_frame_pad_right(const char *arg)
2236 frame_padright = atoi(arg);
2237 if (frame_padright < 0) {
2238 fprintf(stderr, "Incorrect right pad size\n");
2241 if ((frame_padright % 2) != 0) {
2242 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2248 static void opt_frame_pix_fmt(const char *arg)
2250 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2253 static void opt_frame_aspect_ratio(const char *arg)
2259 p = strchr(arg, ':');
2261 x = strtol(arg, (char **)&arg, 10);
2263 y = strtol(arg+1, (char **)&arg, 10);
2265 ar = (double)x / (double)y;
2267 ar = strtod(arg, (char **)&arg);
2270 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2273 frame_aspect_ratio = ar;
2276 static void opt_qscale(const char *arg)
2278 video_qscale = atof(arg);
2279 if (video_qscale <= 0 ||
2280 video_qscale > 255) {
2281 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2286 static void opt_qdiff(const char *arg)
2288 video_qdiff = atoi(arg);
2289 if (video_qdiff < 0 ||
2291 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2296 static void opt_strict(const char *arg)
2301 static void opt_top_field_first(const char *arg)
2303 top_field_first= atoi(arg);
2306 static void opt_thread_count(const char *arg)
2308 thread_count= atoi(arg);
2309 #if !defined(HAVE_THREADS)
2311 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2315 static void opt_audio_rate(const char *arg)
2317 audio_sample_rate = atoi(arg);
2320 static void opt_audio_channels(const char *arg)
2322 audio_channels = atoi(arg);
2325 static void opt_video_channel(const char *arg)
2327 video_channel = strtol(arg, NULL, 0);
2330 static void opt_video_standard(const char *arg)
2332 video_standard = av_strdup(arg);
2335 static void opt_codec(int *pstream_copy, int *pcodec_id,
2336 int codec_type, const char *arg)
2340 if (!strcmp(arg, "copy")) {
2345 if (!strcmp(p->name, arg) && p->type == codec_type)
2350 fprintf(stderr, "Unknown codec '%s'\n", arg);
2358 static void opt_audio_codec(const char *arg)
2360 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2363 static void opt_audio_tag(const char *arg)
2366 audio_codec_tag= strtol(arg, &tail, 0);
2369 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2372 static void opt_video_tag(const char *arg)
2375 video_codec_tag= strtol(arg, &tail, 0);
2378 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2381 static void add_frame_hooker(const char *arg)
2386 char *args = av_strdup(arg);
2390 argv[0] = strtok(args, " ");
2391 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2394 i = frame_hook_add(argc, argv);
2397 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2402 const char *motion_str[] = {
2415 static void opt_motion_estimation(const char *arg)
2421 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2424 if (!strcmp(*p, arg))
2428 me_method = (p - motion_str) + 1;
2431 static void opt_video_codec(const char *arg)
2433 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2436 static void opt_subtitle_codec(const char *arg)
2438 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2441 static void opt_map(const char *arg)
2447 m = &stream_maps[nb_stream_maps++];
2449 m->file_index = strtol(arg, (char **)&p, 0);
2453 m->stream_index = strtol(p, (char **)&p, 0);
2456 m->sync_file_index = strtol(p, (char **)&p, 0);
2459 m->sync_stream_index = strtol(p, (char **)&p, 0);
2461 m->sync_file_index = m->file_index;
2462 m->sync_stream_index = m->stream_index;
2466 static void opt_map_meta_data(const char *arg)
2472 m = &meta_data_maps[nb_meta_data_maps++];
2474 m->out_file = strtol(arg, (char **)&p, 0);
2478 m->in_file = strtol(p, (char **)&p, 0);
2481 static void opt_recording_time(const char *arg)
2483 recording_time = parse_date(arg, 1);
2486 static void opt_start_time(const char *arg)
2488 start_time = parse_date(arg, 1);
2491 static void opt_rec_timestamp(const char *arg)
2493 rec_timestamp = parse_date(arg, 0) / 1000000;
2496 static void opt_input_ts_offset(const char *arg)
2498 input_ts_offset = parse_date(arg, 1);
2501 static void opt_input_file(const char *filename)
2503 AVFormatContext *ic;
2504 AVFormatParameters params, *ap = ¶ms;
2505 int err, i, ret, rfps, rfps_base;
2508 if (!strcmp(filename, "-"))
2511 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2512 !strcmp( filename, "/dev/stdin" );
2514 /* get default parameters from command line */
2515 ic = av_alloc_format_context();
2517 memset(ap, 0, sizeof(*ap));
2518 ap->prealloced_context = 1;
2519 ap->sample_rate = audio_sample_rate;
2520 ap->channels = audio_channels;
2521 ap->time_base.den = frame_rate;
2522 ap->time_base.num = frame_rate_base;
2523 ap->width = frame_width + frame_padleft + frame_padright;
2524 ap->height = frame_height + frame_padtop + frame_padbottom;
2525 ap->pix_fmt = frame_pix_fmt;
2526 ap->channel = video_channel;
2527 ap->standard = video_standard;
2528 ap->video_codec_id = video_codec_id;
2529 ap->audio_codec_id = audio_codec_id;
2530 if(pgmyuv_compatibility_hack)
2531 ap->video_codec_id= CODEC_ID_PGMYUV;
2533 for(i=0; i<opt_name_count; i++){
2534 const AVOption *opt;
2535 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2536 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2537 av_set_double(ic, opt_names[i], d);
2539 /* open the input file with generic libav function */
2540 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2542 print_error(filename, err);
2546 ic->loop_input = loop_input;
2548 /* If not enough info to get the stream parameters, we decode the
2549 first frames to get it. (used in mpeg case for example) */
2550 ret = av_find_stream_info(ic);
2551 if (ret < 0 && verbose >= 0) {
2552 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2556 timestamp = start_time;
2557 /* add the stream start time */
2558 if (ic->start_time != AV_NOPTS_VALUE)
2559 timestamp += ic->start_time;
2561 /* if seeking requested, we execute it */
2562 if (start_time != 0) {
2563 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2565 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2566 filename, (double)timestamp / AV_TIME_BASE);
2568 /* reset seek info */
2572 /* update the current parameters so that they match the one of the input stream */
2573 for(i=0;i<ic->nb_streams;i++) {
2575 AVCodecContext *enc = ic->streams[i]->codec;
2577 avcodec_thread_init(enc, thread_count);
2578 enc->thread_count= thread_count;
2579 switch(enc->codec_type) {
2580 case CODEC_TYPE_AUDIO:
2581 for(j=0; j<opt_name_count; j++){
2582 const AVOption *opt;
2583 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2584 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2585 av_set_double(enc, opt_names[j], d);
2587 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2588 audio_channels = enc->channels;
2589 audio_sample_rate = enc->sample_rate;
2591 ic->streams[i]->discard= AVDISCARD_ALL;
2593 case CODEC_TYPE_VIDEO:
2594 for(j=0; j<opt_name_count; j++){
2595 const AVOption *opt;
2596 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2597 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2598 av_set_double(enc, opt_names[j], d);
2600 frame_height = enc->height;
2601 frame_width = enc->width;
2602 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2603 frame_pix_fmt = enc->pix_fmt;
2604 rfps = ic->streams[i]->r_frame_rate.num;
2605 rfps_base = ic->streams[i]->r_frame_rate.den;
2606 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2608 enc->debug |= FF_DEBUG_MV;
2610 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2613 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2614 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2616 (float)rfps / rfps_base, rfps, rfps_base);
2618 /* update the current frame rate to match the stream frame rate */
2620 frame_rate_base = rfps_base;
2622 enc->rate_emu = rate_emu;
2624 ic->streams[i]->discard= AVDISCARD_ALL;
2625 else if(video_discard)
2626 ic->streams[i]->discard= video_discard;
2628 case CODEC_TYPE_DATA:
2630 case CODEC_TYPE_SUBTITLE:
2632 case CODEC_TYPE_UNKNOWN:
2639 input_files[nb_input_files] = ic;
2640 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2641 /* dump the file content */
2643 dump_format(ic, nb_input_files, filename, 0);
2646 file_iformat = NULL;
2647 file_oformat = NULL;
2654 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2656 int has_video, has_audio, i, j;
2657 AVFormatContext *ic;
2661 for(j=0;j<nb_input_files;j++) {
2662 ic = input_files[j];
2663 for(i=0;i<ic->nb_streams;i++) {
2664 AVCodecContext *enc = ic->streams[i]->codec;
2665 switch(enc->codec_type) {
2666 case CODEC_TYPE_AUDIO:
2669 case CODEC_TYPE_VIDEO:
2672 case CODEC_TYPE_DATA:
2673 case CODEC_TYPE_UNKNOWN:
2674 case CODEC_TYPE_SUBTITLE:
2681 *has_video_ptr = has_video;
2682 *has_audio_ptr = has_audio;
2685 static void new_video_stream(AVFormatContext *oc)
2688 AVCodecContext *video_enc;
2691 st = av_new_stream(oc, oc->nb_streams);
2693 fprintf(stderr, "Could not alloc stream\n");
2696 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2697 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2698 video_bitstream_filters= NULL;
2701 avcodec_thread_init(st->codec, thread_count);
2703 video_enc = st->codec;
2706 video_enc->codec_tag= video_codec_tag;
2708 if( (video_global_header&1)
2709 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2710 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2711 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2713 if(video_global_header&2){
2714 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2715 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2718 if (video_stream_copy) {
2719 st->stream_copy = 1;
2720 video_enc->codec_type = CODEC_TYPE_VIDEO;
2726 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2727 if (video_codec_id != CODEC_ID_NONE)
2728 codec_id = video_codec_id;
2730 video_enc->codec_id = codec_id;
2731 codec = avcodec_find_encoder(codec_id);
2733 for(i=0; i<opt_name_count; i++){
2734 const AVOption *opt;
2735 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2736 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2737 av_set_double(video_enc, opt_names[i], d);
2740 video_enc->time_base.den = frame_rate;
2741 video_enc->time_base.num = frame_rate_base;
2742 if(codec && codec->supported_framerates){
2743 const AVRational *p= codec->supported_framerates;
2744 AVRational req= (AVRational){frame_rate, frame_rate_base};
2745 const AVRational *best=NULL;
2746 AVRational best_error= (AVRational){INT_MAX, 1};
2747 for(; p->den!=0; p++){
2748 AVRational error= av_sub_q(req, *p);
2749 if(error.num <0) error.num *= -1;
2750 if(av_cmp_q(error, best_error) < 0){
2755 video_enc->time_base.den= best->num;
2756 video_enc->time_base.num= best->den;
2759 video_enc->width = frame_width + frame_padright + frame_padleft;
2760 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2761 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2762 video_enc->pix_fmt = frame_pix_fmt;
2764 if(codec && codec->pix_fmts){
2765 const enum PixelFormat *p= codec->pix_fmts;
2767 if(*p == video_enc->pix_fmt)
2771 video_enc->pix_fmt = codec->pix_fmts[0];
2775 video_enc->gop_size = 0;
2776 if (video_qscale || same_quality) {
2777 video_enc->flags |= CODEC_FLAG_QSCALE;
2778 video_enc->global_quality=
2779 st->quality = FF_QP2LAMBDA * video_qscale;
2783 video_enc->intra_matrix = intra_matrix;
2785 video_enc->inter_matrix = inter_matrix;
2787 video_enc->max_qdiff = video_qdiff;
2788 video_enc->rc_eq = video_rc_eq;
2789 video_enc->thread_count = thread_count;
2790 p= video_rc_override_string;
2793 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2795 fprintf(stderr, "error parsing rc_override\n");
2798 video_enc->rc_override=
2799 av_realloc(video_enc->rc_override,
2800 sizeof(RcOverride)*(i+1));
2801 video_enc->rc_override[i].start_frame= start;
2802 video_enc->rc_override[i].end_frame = end;
2804 video_enc->rc_override[i].qscale= q;
2805 video_enc->rc_override[i].quality_factor= 1.0;
2808 video_enc->rc_override[i].qscale= 0;
2809 video_enc->rc_override[i].quality_factor= -q/100.0;
2814 video_enc->rc_override_count=i;
2815 if (!video_enc->rc_initial_buffer_occupancy)
2816 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2817 video_enc->me_threshold= me_threshold;
2818 video_enc->intra_dc_precision= intra_dc_precision - 8;
2819 video_enc->strict_std_compliance = strict;
2822 video_enc->flags|= CODEC_FLAG_PSNR;
2824 video_enc->me_method = me_method;
2829 video_enc->flags |= CODEC_FLAG_PASS1;
2831 video_enc->flags |= CODEC_FLAG_PASS2;
2836 /* reset some key parameters */
2838 video_codec_id = CODEC_ID_NONE;
2839 video_stream_copy = 0;
2842 static void new_audio_stream(AVFormatContext *oc)
2845 AVCodecContext *audio_enc;
2848 st = av_new_stream(oc, oc->nb_streams);
2850 fprintf(stderr, "Could not alloc stream\n");
2853 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2855 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2856 audio_bitstream_filters= NULL;
2859 avcodec_thread_init(st->codec, thread_count);
2861 audio_enc = st->codec;
2862 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2863 audio_enc->strict_std_compliance = strict;
2866 audio_enc->codec_tag= audio_codec_tag;
2868 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2869 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2870 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2872 if (audio_stream_copy) {
2873 st->stream_copy = 1;
2874 audio_enc->channels = audio_channels;
2876 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2878 for(i=0; i<opt_name_count; i++){
2879 const AVOption *opt;
2880 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2881 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2882 av_set_double(audio_enc, opt_names[i], d);
2885 if (audio_codec_id != CODEC_ID_NONE)
2886 codec_id = audio_codec_id;
2887 audio_enc->codec_id = codec_id;
2889 if (audio_qscale > QSCALE_NONE) {
2890 audio_enc->flags |= CODEC_FLAG_QSCALE;
2891 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2893 audio_enc->thread_count = thread_count;
2894 audio_enc->channels = audio_channels;
2896 audio_enc->sample_rate = audio_sample_rate;
2897 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2898 if (audio_language) {
2899 pstrcpy(st->language, sizeof(st->language), audio_language);
2900 av_free(audio_language);
2901 audio_language = NULL;
2904 /* reset some key parameters */
2906 audio_codec_id = CODEC_ID_NONE;
2907 audio_stream_copy = 0;
2910 static void opt_new_subtitle_stream(void)
2912 AVFormatContext *oc;
2914 AVCodecContext *subtitle_enc;
2917 if (nb_output_files <= 0) {
2918 fprintf(stderr, "At least one output file must be specified\n");
2921 oc = output_files[nb_output_files - 1];
2923 st = av_new_stream(oc, oc->nb_streams);
2925 fprintf(stderr, "Could not alloc stream\n");
2928 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2930 subtitle_enc = st->codec;
2931 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2932 if (subtitle_stream_copy) {
2933 st->stream_copy = 1;
2935 for(i=0; i<opt_name_count; i++){
2936 const AVOption *opt;
2937 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2938 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2939 av_set_double(subtitle_enc, opt_names[i], d);
2941 subtitle_enc->codec_id = subtitle_codec_id;
2944 if (subtitle_language) {
2945 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2946 av_free(subtitle_language);
2947 subtitle_language = NULL;
2950 subtitle_codec_id = CODEC_ID_NONE;
2951 subtitle_stream_copy = 0;
2954 static void opt_new_audio_stream(void)
2956 AVFormatContext *oc;
2957 if (nb_output_files <= 0) {
2958 fprintf(stderr, "At least one output file must be specified\n");
2961 oc = output_files[nb_output_files - 1];
2962 new_audio_stream(oc);
2965 static void opt_new_video_stream(void)
2967 AVFormatContext *oc;
2968 if (nb_output_files <= 0) {
2969 fprintf(stderr, "At least one output file must be specified\n");
2972 oc = output_files[nb_output_files - 1];
2973 new_video_stream(oc);
2976 static void opt_output_file(const char *filename)
2978 AVFormatContext *oc;
2979 int use_video, use_audio, input_has_video, input_has_audio, i;
2980 AVFormatParameters params, *ap = ¶ms;
2982 if (!strcmp(filename, "-"))
2985 oc = av_alloc_format_context();
2987 if (!file_oformat) {
2988 file_oformat = guess_format(NULL, filename, NULL);
2989 if (!file_oformat) {
2990 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2996 oc->oformat = file_oformat;
2997 pstrcpy(oc->filename, sizeof(oc->filename), filename);
2999 if (!strcmp(file_oformat->name, "ffm") &&
3000 strstart(filename, "http:", NULL)) {
3001 /* special case for files sent to ffserver: we get the stream
3002 parameters from ffserver */
3003 if (read_ffserver_streams(oc, filename) < 0) {
3004 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3008 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3009 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3011 /* disable if no corresponding type found and at least one
3013 if (nb_input_files > 0) {
3014 check_audio_video_inputs(&input_has_video, &input_has_audio);
3015 if (!input_has_video)
3017 if (!input_has_audio)
3021 /* manual disable */
3022 if (audio_disable) {
3025 if (video_disable) {
3030 new_video_stream(oc);
3034 new_audio_stream(oc);
3037 oc->timestamp = rec_timestamp;
3040 pstrcpy(oc->title, sizeof(oc->title), str_title);
3042 pstrcpy(oc->author, sizeof(oc->author), str_author);
3044 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3046 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3048 pstrcpy(oc->album, sizeof(oc->album), str_album);
3051 output_files[nb_output_files++] = oc;
3053 /* check filename in case of an image number is expected */
3054 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3055 if (!av_filename_number_test(oc->filename)) {
3056 print_error(oc->filename, AVERROR_NUMEXPECTED);
3061 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3062 /* test if it already exists to avoid loosing precious files */
3063 if (!file_overwrite &&
3064 (strchr(filename, ':') == NULL ||
3065 strstart(filename, "file:", NULL))) {
3066 if (url_exist(filename)) {
3069 if ( !using_stdin ) {
3070 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3073 if (toupper(c) != 'Y') {
3074 fprintf(stderr, "Not overwriting - exiting\n");
3079 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3086 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3087 fprintf(stderr, "Could not open '%s'\n", filename);
3092 memset(ap, 0, sizeof(*ap));
3093 if (av_set_parameters(oc, ap) < 0) {
3094 fprintf(stderr, "%s: Invalid encoding parameters\n",
3099 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3100 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3101 oc->loop_output = loop_output;
3103 for(i=0; i<opt_name_count; i++){
3104 const AVOption *opt;
3105 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3106 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3107 av_set_double(oc, opt_names[i], d);
3110 /* reset some options */
3111 file_oformat = NULL;
3112 file_iformat = NULL;
3115 /* same option as mencoder */
3116 static void opt_pass(const char *pass_str)
3119 pass = atoi(pass_str);
3120 if (pass != 1 && pass != 2) {
3121 fprintf(stderr, "pass number can be only 1 or 2\n");
3127 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3128 static int64_t getutime(void)
3130 return av_gettime();
3133 static int64_t getutime(void)
3135 struct rusage rusage;
3137 getrusage(RUSAGE_SELF, &rusage);
3138 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3142 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3143 extern int ffm_nopts;
3146 static void show_formats(void)
3148 AVInputFormat *ifmt;
3149 AVOutputFormat *ofmt;
3152 const char **pp, *last_name;
3154 printf("File formats:\n");
3159 const char *name=NULL;
3160 const char *long_name=NULL;
3162 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3163 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3164 strcmp(ofmt->name, last_name)>0){
3166 long_name= ofmt->long_name;
3170 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3171 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3172 strcmp(ifmt->name, last_name)>0){
3174 long_name= ifmt->long_name;
3177 if(name && strcmp(ifmt->name, name)==0)
3189 long_name ? long_name:" ");
3193 printf("Codecs:\n");
3199 const char *type_str;
3202 for(p = first_avcodec; p != NULL; p = p->next) {
3203 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3204 strcmp(p->name, last_name)>0){
3206 decode= encode= cap=0;
3208 if(p2 && strcmp(p->name, p2->name)==0){
3209 if(p->decode) decode=1;
3210 if(p->encode) encode=1;
3211 cap |= p->capabilities;
3216 last_name= p2->name;
3219 case CODEC_TYPE_VIDEO:
3222 case CODEC_TYPE_AUDIO:
3225 case CODEC_TYPE_SUBTITLE:
3234 decode ? "D": (/*p2->decoder ? "d":*/" "),
3237 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3238 cap & CODEC_CAP_DR1 ? "D":" ",
3239 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3241 /* if(p2->decoder && decode==0)
3242 printf(" use %s for decoding", p2->decoder->name);*/
3247 printf("Supported file protocols:\n");
3248 for(up = first_protocol; up != NULL; up = up->next)
3249 printf(" %s:", up->name);
3252 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3253 printf("Motion estimation methods:\n");
3257 if ((pp - motion_str + 1) == ME_ZERO)
3258 printf("(fastest)");
3259 else if ((pp - motion_str + 1) == ME_FULL)
3260 printf("(slowest)");
3261 else if ((pp - motion_str + 1) == ME_EPZS)
3262 printf("(default)");
3267 "Note, the names of encoders and decoders dont always match, so there are\n"
3268 "several cases where the above table shows encoder only or decoder only entries\n"
3269 "even though both encoding and decoding are supported for example, the h263\n"
3270 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3275 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3278 const char *p = str;
3285 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3292 static void opt_inter_matrix(const char *arg)
3294 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3295 parse_matrix_coeffs(inter_matrix, arg);
3298 static void opt_intra_matrix(const char *arg)
3300 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3301 parse_matrix_coeffs(intra_matrix, arg);
3304 static void opt_target(const char *arg)
3307 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3309 if(!strncmp(arg, "pal-", 4)) {
3312 } else if(!strncmp(arg, "ntsc-", 5)) {
3315 } else if(!strncmp(arg, "film-", 5)) {
3320 /* Calculate FR via float to avoid int overflow */
3321 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3324 } else if((fr == 29970) || (fr == 23976)) {
3327 /* Try to determine PAL/NTSC by peeking in the input files */
3328 if(nb_input_files) {
3330 for(j = 0; j < nb_input_files; j++) {
3331 for(i = 0; i < input_files[j]->nb_streams; i++) {
3332 AVCodecContext *c = input_files[j]->streams[i]->codec;
3333 if(c->codec_type != CODEC_TYPE_VIDEO)
3335 fr = c->time_base.den * 1000 / c->time_base.num;
3339 } else if((fr == 29970) || (fr == 23976)) {
3349 if(verbose && norm >= 0)
3350 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3354 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3355 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3356 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3360 if(!strcmp(arg, "vcd")) {
3362 opt_video_codec("mpeg1video");
3363 opt_audio_codec("mp2");
3366 opt_frame_size(norm ? "352x240" : "352x288");
3367 opt_frame_rate(frame_rates[norm]);
3368 opt_default("gop", norm ? "18" : "15");
3370 opt_default("b", "1150000");
3371 opt_default("maxrate", "1150000");
3372 opt_default("minrate", "1150000");
3373 opt_default("bufsize", "327680"); // 40*1024*8;
3375 opt_default("ab", "224000");
3376 audio_sample_rate = 44100;
3379 opt_default("packetsize", "2324");
3380 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3382 /* We have to offset the PTS, so that it is consistent with the SCR.
3383 SCR starts at 36000, but the first two packs contain only padding
3384 and the first pack from the other stream, respectively, may also have
3385 been written before.
3386 So the real data starts at SCR 36000+3*1200. */
3387 mux_preload= (36000+3*1200) / 90000.0; //0.44
3388 } else if(!strcmp(arg, "svcd")) {
3390 opt_video_codec("mpeg2video");
3391 opt_audio_codec("mp2");
3394 opt_frame_size(norm ? "480x480" : "480x576");
3395 opt_frame_rate(frame_rates[norm]);
3396 opt_default("gop", norm ? "18" : "15");
3398 opt_default("b", "2040000");
3399 opt_default("maxrate", "2516000");
3400 opt_default("minrate", "0"); //1145000;
3401 opt_default("bufsize", "1835008"); //224*1024*8;
3402 opt_default("flags", "+SCAN_OFFSET");
3405 opt_default("ab", "224000");
3406 audio_sample_rate = 44100;
3408 opt_default("packetsize", "2324");
3410 } else if(!strcmp(arg, "dvd")) {
3412 opt_video_codec("mpeg2video");
3413 opt_audio_codec("ac3");
3416 opt_frame_size(norm ? "720x480" : "720x576");
3417 opt_frame_rate(frame_rates[norm]);
3418 opt_default("gop", norm ? "18" : "15");
3420 opt_default("b", "6000000");
3421 opt_default("maxrate", "9000000");
3422 opt_default("minrate", "0"); //1500000;
3423 opt_default("bufsize", "1835008"); //224*1024*8;
3425 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3426 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3428 opt_default("ab", "448000");
3429 audio_sample_rate = 48000;
3431 } else if(!strncmp(arg, "dv", 2)) {
3435 opt_frame_size(norm ? "720x480" : "720x576");
3436 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3437 (norm ? "yuv411p" : "yuv420p"));
3438 opt_frame_rate(frame_rates[norm]);
3440 audio_sample_rate = 48000;
3444 fprintf(stderr, "Unknown target: %s\n", arg);
3449 static void opt_vstats_file (const char *arg)
3451 av_free (vstats_filename);
3452 vstats_filename=av_strdup (arg);
3455 static void opt_vstats (void)
3458 time_t today2 = time(NULL);
3459 struct tm *today = localtime(&today2);
3461 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3463 opt_vstats_file(filename);
3466 static void opt_video_bsf(const char *arg)
3468 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3469 AVBitStreamFilterContext **bsfp;
3472 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3476 bsfp= &video_bitstream_filters;
3478 bsfp= &(*bsfp)->next;
3483 //FIXME avoid audio - video code duplication
3484 static void opt_audio_bsf(const char *arg)
3486 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3487 AVBitStreamFilterContext **bsfp;
3490 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3494 bsfp= &audio_bitstream_filters;
3496 bsfp= &(*bsfp)->next;
3501 static void show_version(void)
3503 /* TODO: add function interface to avutil and avformat */
3504 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3508 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3512 static int opt_default(const char *opt, const char *arg){
3514 const AVOption *o= NULL;
3515 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3517 for(type=0; type<CODEC_TYPE_NB; type++){
3518 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3520 o = av_set_string(avctx_opts[type], opt, arg);
3523 o = av_set_string(avformat_opts, opt, arg);
3524 #ifdef CONFIG_SWSCALER
3526 o = av_set_string(sws_opts, opt, arg);
3530 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3531 else if(opt[0] == 'v')
3532 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3533 else if(opt[0] == 's')
3534 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3539 // 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));
3541 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3542 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3543 opt_names[opt_name_count++]= o->name;
3545 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3546 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3547 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3551 if(avctx_opts[0]->debug)
3552 av_log_level = AV_LOG_DEBUG;
3556 const OptionDef options[] = {
3558 { "L", 0, {(void*)show_license}, "show license" },
3559 { "h", 0, {(void*)show_help}, "show help" },
3560 { "version", 0, {(void*)show_version}, "show version" },
3561 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3562 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3563 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3564 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3565 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3566 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3567 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3568 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3569 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3570 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3571 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3572 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3573 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3574 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3575 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3576 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3577 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3578 "add timings for benchmarking" },
3579 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3580 "dump each input packet" },
3581 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3582 "when dumping packets, also dump the payload" },
3583 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3584 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3585 { "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)", "" },
3586 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3587 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3588 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3589 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3590 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3591 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3592 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3593 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3594 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3597 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3598 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3599 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3600 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3601 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3602 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3603 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3604 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3605 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3606 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3607 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3608 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3609 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3610 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3611 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3612 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3613 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3614 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3615 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3616 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3617 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3618 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3619 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3620 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3622 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3623 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3624 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3625 "use same video quality as source (implies VBR)" },
3626 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3627 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3628 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3629 "deinterlace pictures" },
3630 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3631 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3632 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3633 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3634 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3635 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3636 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3637 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3638 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3639 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3640 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3643 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3644 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3645 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3646 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3647 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3648 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3649 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3650 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3651 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3652 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3654 /* subtitle options */
3655 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3656 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3657 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3660 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3661 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3662 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3665 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3666 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3668 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3669 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3671 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3675 static void show_banner(void)
3677 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3678 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
3679 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3680 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3681 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3682 fprintf(stderr, " built on " __DATE__ " " __TIME__);
3684 fprintf(stderr, ", gcc: " __VERSION__ "\n");
3686 fprintf(stderr, ", using a non-gcc compiler\n");
3690 static void show_license(void)
3695 "FFmpeg is free software; you can redistribute it and/or modify\n"
3696 "it under the terms of the GNU General Public License as published by\n"
3697 "the Free Software Foundation; either version 2 of the License, or\n"
3698 "(at your option) any later version.\n"
3700 "FFmpeg is distributed in the hope that it will be useful,\n"
3701 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3702 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3703 "GNU General Public License for more details.\n"
3705 "You should have received a copy of the GNU General Public License\n"
3706 "along with FFmpeg; if not, write to the Free Software\n"
3707 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
3711 "FFmpeg is free software; you can redistribute it and/or\n"
3712 "modify it under the terms of the GNU Lesser General Public\n"
3713 "License as published by the Free Software Foundation; either\n"
3714 "version 2.1 of the License, or (at your option) any later version.\n"
3716 "FFmpeg is distributed in the hope that it will be useful,\n"
3717 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3718 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3719 "Lesser General Public License for more details.\n"
3721 "You should have received a copy of the GNU Lesser General Public\n"
3722 "License along with FFmpeg; if not, write to the Free Software\n"
3723 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3730 * Trivial log callback.
3731 * Only suitable for show_help and similar since it lacks prefix handling.
3733 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3735 vfprintf(stdout, fmt, vl);
3738 static void show_help(void)
3740 av_log_set_callback(log_callback_help);
3742 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3743 "Hyper fast Audio and Video encoder\n");
3745 show_help_options(options, "Main options:\n",
3746 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3747 show_help_options(options, "\nVideo options:\n",
3748 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3750 show_help_options(options, "\nAdvanced Video options:\n",
3751 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3752 OPT_VIDEO | OPT_EXPERT);
3753 show_help_options(options, "\nAudio options:\n",
3754 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3756 show_help_options(options, "\nAdvanced Audio options:\n",
3757 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3758 OPT_AUDIO | OPT_EXPERT);
3759 show_help_options(options, "\nSubtitle options:\n",
3760 OPT_SUBTITLE | OPT_GRAB,
3762 show_help_options(options, "\nAudio/Video grab options:\n",
3765 show_help_options(options, "\nAdvanced options:\n",
3766 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3768 av_opt_show(avctx_opts[0], NULL);
3769 av_opt_show(avformat_opts, NULL);
3770 #ifdef CONFIG_SWSCALER
3771 av_opt_show(sws_opts, NULL);
3777 void parse_arg_file(const char *filename)
3779 opt_output_file(filename);
3782 int main(int argc, char **argv)
3789 for(i=0; i<CODEC_TYPE_NB; i++){
3790 avctx_opts[i]= avcodec_alloc_context2(i);
3792 avformat_opts = av_alloc_format_context();
3793 #ifdef CONFIG_SWSCALER
3794 sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, sws_flags, NULL,NULL,NULL);
3803 parse_options(argc, argv, options);
3805 /* file converter / grab */
3806 if (nb_output_files <= 0) {
3807 fprintf(stderr, "Must supply at least one output file\n");
3811 if (nb_input_files == 0) {
3812 fprintf(stderr, "Must supply at least one input file\n");
3817 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3818 stream_maps, nb_stream_maps);
3819 ti = getutime() - ti;
3821 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3825 for(i=0;i<nb_output_files;i++) {
3826 /* maybe av_close_output_file ??? */
3827 AVFormatContext *s = output_files[i];
3829 if (!(s->oformat->flags & AVFMT_NOFILE))
3831 for(j=0;j<s->nb_streams;j++) {
3832 av_free(s->streams[j]->codec);
3833 av_free(s->streams[j]);
3837 for(i=0;i<nb_input_files;i++)
3838 av_close_input_file(input_files[i]);
3842 av_free(intra_matrix);
3843 av_free(inter_matrix);
3847 av_free(vstats_filename);
3851 av_free(video_standard);
3853 #ifdef CONFIG_POWERPC_PERF
3854 extern void powerpc_display_perf_report(void);
3855 powerpc_display_perf_report();
3856 #endif /* CONFIG_POWERPC_PERF */
3858 if (received_sigterm) {
3860 "Received signal %d: terminating.\n",
3861 (int) received_sigterm);
3865 exit(0); /* not all OS-es handle main() return value */