3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
33 #include "framehook.h"
37 #include "os_support.h"
39 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
43 #if defined(HAVE_TERMIOS_H)
46 #include <sys/ioctl.h>
49 #include <sys/resource.h>
50 #elif defined(HAVE_CONIO_H)
53 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
64 static const char program_name[] = "FFmpeg";
65 static const int program_birth_year = 2000;
67 /* select an input stream for an output stream */
68 typedef struct AVStreamMap {
72 int sync_stream_index;
75 /** select an input file for an output file */
76 typedef struct AVMetaDataMap {
81 extern const OptionDef options[];
85 static AVFormatContext *input_files[MAX_FILES];
86 static int64_t input_files_ts_offset[MAX_FILES];
87 static int nb_input_files = 0;
89 static AVFormatContext *output_files[MAX_FILES];
90 static int nb_output_files = 0;
92 static AVStreamMap stream_maps[MAX_FILES];
93 static int nb_stream_maps;
95 static AVMetaDataMap meta_data_maps[MAX_FILES];
96 static int nb_meta_data_maps;
98 static AVInputFormat *file_iformat;
99 static AVOutputFormat *file_oformat;
100 static int frame_width = 0;
101 static int frame_height = 0;
102 static float frame_aspect_ratio = 0;
103 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
104 static int frame_padtop = 0;
105 static int frame_padbottom = 0;
106 static int frame_padleft = 0;
107 static int frame_padright = 0;
108 static int padcolor[3] = {16,128,128}; /* default to black */
109 static int frame_topBand = 0;
110 static int frame_bottomBand = 0;
111 static int frame_leftBand = 0;
112 static int frame_rightBand = 0;
113 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
114 static AVRational frame_rate = (AVRational) {0,0};
115 static float video_qscale = 0;
116 static int video_qdiff = 3;
117 static uint16_t *intra_matrix = NULL;
118 static uint16_t *inter_matrix = NULL;
119 #if 0 //experimental, (can be removed)
120 static float video_rc_qsquish=1.0;
121 static float video_rc_qmod_amp=0;
122 static int video_rc_qmod_freq=0;
124 static const char *video_rc_override_string=NULL;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static char *video_codec_name = NULL;
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 char *audio_codec_name = NULL;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
149 static int subtitle_disable = 0;
150 static char *subtitle_codec_name = NULL;
151 static char *subtitle_language = NULL;
153 static float mux_preload= 0.5;
154 static float mux_max_delay= 0.7;
156 static int64_t recording_time = 0;
157 static int64_t start_time = 0;
158 static int64_t rec_timestamp = 0;
159 static int64_t input_ts_offset = 0;
160 static int file_overwrite = 0;
161 static char *str_title = NULL;
162 static char *str_author = NULL;
163 static char *str_copyright = NULL;
164 static char *str_comment = NULL;
165 static char *str_genre = NULL;
166 static char *str_album = NULL;
167 static int do_benchmark = 0;
168 static int do_hex_dump = 0;
169 static int do_pkt_dump = 0;
170 static int do_psnr = 0;
171 static int do_pass = 0;
172 static char *pass_logfilename = NULL;
173 static int audio_stream_copy = 0;
174 static int video_stream_copy = 0;
175 static int subtitle_stream_copy = 0;
176 static int video_sync_method= 1;
177 static int audio_sync_method= 0;
178 static float audio_drift_threshold= 0.1;
179 static int copy_ts= 0;
180 static int opt_shortest = 0; //
181 static int video_global_header = 0;
182 static char *vstats_filename;
183 static FILE *vstats_file;
184 static int opt_programid = 0;
186 static int rate_emu = 0;
188 static int video_channel = 0;
189 static char *video_standard;
191 static int audio_volume = 256;
193 static int using_stdin = 0;
194 static int using_vhook = 0;
195 static int verbose = 1;
196 static int thread_count= 1;
197 static int q_pressed = 0;
198 static int64_t video_size = 0;
199 static int64_t audio_size = 0;
200 static int64_t extra_size = 0;
201 static int nb_frames_dup = 0;
202 static int nb_frames_drop = 0;
203 static int input_sync;
204 static uint64_t limit_filesize = 0; //
206 static int pgmyuv_compatibility_hack=0;
207 static float dts_delta_threshold = 10;
209 static unsigned int sws_flags = SWS_BICUBIC;
211 static const char **opt_names;
212 static int opt_name_count;
213 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214 static AVFormatContext *avformat_opts;
215 static struct SwsContext *sws_opts;
216 static int64_t timer_start;
218 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225 struct AVInputStream;
227 typedef struct AVOutputStream {
228 int file_index; /* file index */
229 int index; /* stream index in the output file */
230 int source_index; /* AVInputStream index */
231 AVStream *st; /* stream in the output file */
232 int encoding_needed; /* true if encoding needed for this stream */
234 /* input pts and corresponding output pts
236 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
237 struct AVInputStream *sync_ist; /* input stream to sync against */
238 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
246 int topBand; /* cropping area sizes */
250 int padtop; /* padding area sizes */
257 ReSampleContext *resample; /* for audio resampling */
258 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
262 typedef struct AVInputStream {
266 int discard; /* true if stream data should be discarded */
267 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
268 int64_t sample_index; /* current sample */
270 int64_t start; /* time when read started */
271 unsigned long frame; /* current frame */
272 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 int64_t pts; /* current pts */
275 int is_start; /* is 1 at the start and after a discontinuity */
278 typedef struct AVInputFile {
279 int eof_reached; /* true if eof reached */
280 int ist_index; /* index of first stream in ist_table */
281 int buffer_size; /* current total buffer size */
282 int nb_streams; /* nb streams we are aware of */
285 #ifdef HAVE_TERMIOS_H
287 /* init terminal so that we can grab keys */
288 static struct termios oldtty;
291 static void term_exit(void)
293 #ifdef HAVE_TERMIOS_H
294 tcsetattr (0, TCSANOW, &oldtty);
298 static volatile sig_atomic_t received_sigterm = 0;
301 sigterm_handler(int sig)
303 received_sigterm = sig;
307 static void term_init(void)
309 #ifdef HAVE_TERMIOS_H
315 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
316 |INLCR|IGNCR|ICRNL|IXON);
317 tty.c_oflag |= OPOST;
318 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
319 tty.c_cflag &= ~(CSIZE|PARENB);
324 tcsetattr (0, TCSANOW, &tty);
325 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 register a function to be called at normal program termination
334 #ifdef CONFIG_BEOS_NETSERVER
335 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
339 /* read a key without blocking */
340 static int read_key(void)
342 #if defined(HAVE_TERMIOS_H)
345 #ifndef CONFIG_BEOS_NETSERVER
353 n = select(1, &rfds, NULL, NULL, &tv);
362 #elif defined(HAVE_CONIO_H)
369 static int decode_interrupt_cb(void)
371 return q_pressed || (q_pressed = read_key() == 'q');
374 static int av_exit(int ret)
379 for(i=0;i<nb_output_files;i++) {
380 /* maybe av_close_output_file ??? */
381 AVFormatContext *s = output_files[i];
383 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
385 for(j=0;j<s->nb_streams;j++) {
386 av_free(s->streams[j]->codec);
387 av_free(s->streams[j]);
391 for(i=0;i<nb_input_files;i++)
392 av_close_input_file(input_files[i]);
396 av_free(intra_matrix);
397 av_free(inter_matrix);
401 av_free(vstats_filename);
405 av_free(video_codec_name);
406 av_free(audio_codec_name);
407 av_free(subtitle_codec_name);
409 av_free(video_standard);
411 #ifdef CONFIG_POWERPC_PERF
412 extern void powerpc_display_perf_report(void);
413 powerpc_display_perf_report();
414 #endif /* CONFIG_POWERPC_PERF */
416 if (received_sigterm) {
418 "Received signal %d: terminating.\n",
419 (int) received_sigterm);
423 exit(ret); /* not all OS-es handle main() return value */
427 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
432 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
435 /* copy stream format */
436 s->nb_streams = ic->nb_streams;
437 for(i=0;i<ic->nb_streams;i++) {
440 // FIXME: a more elegant solution is needed
441 st = av_mallocz(sizeof(AVStream));
442 memcpy(st, ic->streams[i], sizeof(AVStream));
443 st->codec = avcodec_alloc_context();
444 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
448 av_close_input_file(ic);
453 get_sync_ipts(const AVOutputStream *ost)
455 const AVInputStream *ist = ost->sync_ist;
456 return (double)(ist->pts - start_time)/AV_TIME_BASE;
459 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
463 AVPacket new_pkt= *pkt;
464 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
465 &new_pkt.data, &new_pkt.size,
466 pkt->data, pkt->size,
467 pkt->flags & PKT_FLAG_KEY);
470 new_pkt.destruct= av_destruct_packet;
472 fprintf(stderr, "%s failed for stream %d, codec %s",
473 bsfc->filter->name, pkt->stream_index,
474 avctx->codec ? avctx->codec->name : "copy");
482 ret= av_interleaved_write_frame(s, pkt);
484 print_error("av_interleaved_write_frame()", ret);
489 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
491 static void do_audio_out(AVFormatContext *s,
494 unsigned char *buf, int size)
497 static uint8_t *audio_buf = NULL;
498 static uint8_t *audio_out = NULL;
499 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
501 int size_out, frame_bytes, ret;
502 AVCodecContext *enc= ost->st->codec;
503 AVCodecContext *dec= ist->st->codec;
505 /* SC: dynamic allocation of buffers */
507 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
509 audio_out = av_malloc(audio_out_size);
510 if (!audio_buf || !audio_out)
511 return; /* Should signal an error ! */
513 if (enc->channels != dec->channels)
514 ost->audio_resample = 1;
516 if (ost->audio_resample && !ost->resample) {
517 ost->resample = audio_resample_init(enc->channels, dec->channels,
518 enc->sample_rate, dec->sample_rate);
519 if (!ost->resample) {
520 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
521 dec->channels, dec->sample_rate,
522 enc->channels, enc->sample_rate);
527 if(audio_sync_method){
528 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
529 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
530 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
531 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
533 //FIXME resample delay
534 if(fabs(delta) > 50){
535 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
537 byte_delta= FFMAX(byte_delta, -size);
541 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
546 static uint8_t *input_tmp= NULL;
547 input_tmp= av_realloc(input_tmp, byte_delta + size);
549 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
552 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
554 memset(input_tmp, 0, byte_delta);
555 memcpy(input_tmp + byte_delta, buf, size);
559 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
561 }else if(audio_sync_method>1){
562 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
563 assert(ost->audio_resample);
565 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
566 // 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));
567 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
571 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
572 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
574 if (ost->audio_resample) {
576 size_out = audio_resample(ost->resample,
577 (short *)buftmp, (short *)buf,
578 size / (ist->st->codec->channels * 2));
579 size_out = size_out * enc->channels * 2;
585 /* now encode as many frames as possible */
586 if (enc->frame_size > 1) {
587 /* output resampled raw samples */
588 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out + 1);
589 av_fifo_write(&ost->fifo, buftmp, size_out);
591 frame_bytes = enc->frame_size * 2 * enc->channels;
593 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
595 av_init_packet(&pkt);
597 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
599 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
602 pkt.stream_index= ost->index;
605 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
606 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
607 pkt.flags |= PKT_FLAG_KEY;
608 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
610 ost->sync_opts += enc->frame_size;
614 av_init_packet(&pkt);
616 ost->sync_opts += size_out / (2 * enc->channels);
618 /* output a pcm frame */
619 /* XXX: change encoding codec API to avoid this ? */
620 switch(enc->codec->id) {
621 case CODEC_ID_PCM_S32LE:
622 case CODEC_ID_PCM_S32BE:
623 case CODEC_ID_PCM_U32LE:
624 case CODEC_ID_PCM_U32BE:
625 size_out = size_out << 1;
627 case CODEC_ID_PCM_S24LE:
628 case CODEC_ID_PCM_S24BE:
629 case CODEC_ID_PCM_U24LE:
630 case CODEC_ID_PCM_U24BE:
631 case CODEC_ID_PCM_S24DAUD:
632 size_out = size_out / 2 * 3;
634 case CODEC_ID_PCM_S16LE:
635 case CODEC_ID_PCM_S16BE:
636 case CODEC_ID_PCM_U16LE:
637 case CODEC_ID_PCM_U16BE:
640 size_out = size_out >> 1;
643 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
644 ret = avcodec_encode_audio(enc, audio_out, size_out,
647 pkt.stream_index= ost->index;
650 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
651 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
652 pkt.flags |= PKT_FLAG_KEY;
653 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
657 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
661 AVPicture picture_tmp;
664 dec = ist->st->codec;
666 /* deinterlace : must be done before any resize */
667 if (do_deinterlace || using_vhook) {
670 /* create temporary picture */
671 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
672 buf = av_malloc(size);
676 picture2 = &picture_tmp;
677 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
680 if(avpicture_deinterlace(picture2, picture,
681 dec->pix_fmt, dec->width, dec->height) < 0) {
682 /* if error, do not deinterlace */
688 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
695 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
696 1000000 * ist->pts / AV_TIME_BASE);
698 if (picture != picture2)
699 *picture = *picture2;
703 /* we begin to correct av delay at this threshold */
704 #define AV_DELAY_MAX 0.100
706 static void do_subtitle_out(AVFormatContext *s,
712 static uint8_t *subtitle_out = NULL;
713 int subtitle_out_max_size = 65536;
714 int subtitle_out_size, nb, i;
718 if (pts == AV_NOPTS_VALUE) {
719 fprintf(stderr, "Subtitle packets must have a pts\n");
723 enc = ost->st->codec;
726 subtitle_out = av_malloc(subtitle_out_max_size);
729 /* Note: DVB subtitle need one packet to draw them and one other
730 packet to clear them */
731 /* XXX: signal it in the codec context ? */
732 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
737 for(i = 0; i < nb; i++) {
738 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
739 subtitle_out_max_size, sub);
741 av_init_packet(&pkt);
742 pkt.stream_index = ost->index;
743 pkt.data = subtitle_out;
744 pkt.size = subtitle_out_size;
745 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
746 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
747 /* XXX: the pts correction is handled here. Maybe handling
748 it in the codec would be better */
750 pkt.pts += 90 * sub->start_display_time;
752 pkt.pts += 90 * sub->end_display_time;
754 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
758 static int bit_buffer_size= 1024*256;
759 static uint8_t *bit_buffer= NULL;
761 static void do_video_out(AVFormatContext *s,
767 int nb_frames, i, ret;
768 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
769 AVFrame picture_crop_temp, picture_pad_temp;
770 AVCodecContext *enc, *dec;
772 avcodec_get_frame_defaults(&picture_crop_temp);
773 avcodec_get_frame_defaults(&picture_pad_temp);
775 enc = ost->st->codec;
776 dec = ist->st->codec;
778 /* by default, we output a single frame */
783 if(video_sync_method){
785 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
786 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
789 else if (video_sync_method == 2)
790 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
791 else if (vdelta > 1.1)
792 nb_frames = lrintf(vdelta);
793 //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);
797 fprintf(stderr, "*** drop!\n");
798 }else if (nb_frames > 1) {
799 nb_frames_dup += nb_frames;
801 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
804 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
806 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
810 if (ost->video_crop) {
811 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
812 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
815 formatted_picture = &picture_crop_temp;
817 formatted_picture = in_picture;
820 final_picture = formatted_picture;
821 padding_src = formatted_picture;
822 resampling_dst = &ost->pict_tmp;
823 if (ost->video_pad) {
824 final_picture = &ost->pict_tmp;
825 if (ost->video_resample) {
826 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
827 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
830 resampling_dst = &picture_pad_temp;
834 if (ost->video_resample) {
836 final_picture = &ost->pict_tmp;
837 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
838 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
841 if (ost->video_pad) {
842 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
843 enc->height, enc->width, enc->pix_fmt,
844 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
847 /* duplicates frame if needed */
848 for(i=0;i<nb_frames;i++) {
850 av_init_packet(&pkt);
851 pkt.stream_index= ost->index;
853 if (s->oformat->flags & AVFMT_RAWPICTURE) {
854 /* raw pictures are written as AVPicture structure to
855 avoid any copies. We support temorarily the older
857 AVFrame* old_frame = enc->coded_frame;
858 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
859 pkt.data= (uint8_t *)final_picture;
860 pkt.size= sizeof(AVPicture);
861 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
862 pkt.flags |= PKT_FLAG_KEY;
864 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
865 enc->coded_frame = old_frame;
869 big_picture= *final_picture;
870 /* better than nothing: use input picture interlaced
872 big_picture.interlaced_frame = in_picture->interlaced_frame;
873 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
874 if(top_field_first == -1)
875 big_picture.top_field_first = in_picture->top_field_first;
877 big_picture.top_field_first = top_field_first;
880 /* handles sameq here. This is not correct because it may
881 not be a global option */
883 big_picture.quality = ist->st->quality;
885 big_picture.quality = ost->st->quality;
887 big_picture.pict_type = 0;
888 // big_picture.pts = AV_NOPTS_VALUE;
889 big_picture.pts= ost->sync_opts;
890 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
891 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
892 ret = avcodec_encode_video(enc,
893 bit_buffer, bit_buffer_size,
896 fprintf(stderr, "Video encoding failed\n");
899 //enc->frame_number = enc->real_pict_num;
901 pkt.data= bit_buffer;
903 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
904 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
905 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
906 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
907 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
909 if(enc->coded_frame && enc->coded_frame->key_frame)
910 pkt.flags |= PKT_FLAG_KEY;
911 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
913 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
914 // enc->frame_number-1, enc->real_pict_num, ret,
916 /* if two pass, output log */
917 if (ost->logfile && enc->stats_out) {
918 fprintf(ost->logfile, "%s", enc->stats_out);
927 static double psnr(double d){
928 return -10.0*log(d)/log(10.0);
931 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
936 double ti1, bitrate, avg_bitrate;
938 /* this is executed just the first time do_video_stats is called */
940 vstats_file = fopen(vstats_filename, "w");
947 enc = ost->st->codec;
948 if (enc->codec_type == CODEC_TYPE_VIDEO) {
949 frame_number = ost->frame_number;
950 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
951 if (enc->flags&CODEC_FLAG_PSNR)
952 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
954 fprintf(vstats_file,"f_size= %6d ", frame_size);
955 /* compute pts value */
956 ti1 = ost->sync_opts * av_q2d(enc->time_base);
960 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
961 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
962 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
963 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
964 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
968 static void print_report(AVFormatContext **output_files,
969 AVOutputStream **ost_table, int nb_ostreams,
974 AVFormatContext *oc, *os;
977 int frame_number, vid, i;
978 double bitrate, ti1, pts;
979 static int64_t last_time = -1;
980 static int qp_histogram[52];
982 if (!is_last_report) {
984 /* display the report every 0.5 seconds */
985 cur_time = av_gettime();
986 if (last_time == -1) {
987 last_time = cur_time;
990 if ((cur_time - last_time) < 500000)
992 last_time = cur_time;
996 oc = output_files[0];
998 total_size = url_fsize(oc->pb);
999 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1000 total_size= url_ftell(oc->pb);
1005 for(i=0;i<nb_ostreams;i++) {
1007 os = output_files[ost->file_index];
1008 enc = ost->st->codec;
1009 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1010 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1011 enc->coded_frame && !ost->st->stream_copy ?
1012 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1014 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1015 float t = (av_gettime()-timer_start) / 1000000.0;
1017 frame_number = ost->frame_number;
1018 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1019 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1020 enc->coded_frame && !ost->st->stream_copy ?
1021 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1023 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1024 if(qp_hist && enc->coded_frame){
1026 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1027 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1030 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1032 if (enc->flags&CODEC_FLAG_PSNR){
1034 double error, error_sum=0;
1035 double scale, scale_sum=0;
1036 char type[3]= {'Y','U','V'};
1037 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1040 error= enc->error[j];
1041 scale= enc->width*enc->height*255.0*255.0*frame_number;
1043 error= enc->coded_frame->error[j];
1044 scale= enc->width*enc->height*255.0*255.0;
1049 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1051 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1055 /* compute min output value */
1056 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1057 if ((pts < ti1) && (pts > 0))
1063 if (verbose || is_last_report) {
1064 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1066 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1067 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1068 (double)total_size / 1024, ti1, bitrate);
1071 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1072 nb_frames_dup, nb_frames_drop);
1075 fprintf(stderr, "%s \r", buf);
1080 if (is_last_report && verbose >= 0){
1081 int64_t raw= audio_size + video_size + extra_size;
1082 fprintf(stderr, "\n");
1083 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1087 100.0*(total_size - raw)/raw
1092 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1093 static int output_packet(AVInputStream *ist, int ist_index,
1094 AVOutputStream **ost_table, int nb_ostreams,
1095 const AVPacket *pkt)
1097 AVFormatContext *os;
1098 AVOutputStream *ost;
1102 int data_size, got_picture;
1104 void *buffer_to_free;
1105 static unsigned int samples_size= 0;
1106 static short *samples= NULL;
1107 AVSubtitle subtitle, *subtitle_to_free;
1110 if(ist->next_pts == AV_NOPTS_VALUE)
1111 ist->next_pts= ist->pts;
1120 if(pkt->dts != AV_NOPTS_VALUE)
1121 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1127 ist->pts= ist->next_pts;
1129 if(len && len != pkt->size && verbose>0)
1130 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1132 /* decode the packet if needed */
1133 data_buf = NULL; /* fail safe */
1135 subtitle_to_free = NULL;
1136 if (ist->decoding_needed) {
1137 switch(ist->st->codec->codec_type) {
1138 case CODEC_TYPE_AUDIO:{
1140 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1141 data_size= samples_size;
1142 /* XXX: could avoid copy if PCM 16 bits with same
1143 endianness as CPU */
1144 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1150 /* Some bug in mpeg audio decoder gives */
1151 /* data_size < 0, it seems they are overflows */
1152 if (data_size <= 0) {
1153 /* no audio frame */
1156 data_buf = (uint8_t *)samples;
1157 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1158 (ist->st->codec->sample_rate * ist->st->codec->channels);
1160 case CODEC_TYPE_VIDEO:
1161 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1162 /* XXX: allocate picture correctly */
1163 avcodec_get_frame_defaults(&picture);
1165 ret = avcodec_decode_video(ist->st->codec,
1166 &picture, &got_picture, ptr, len);
1167 ist->st->quality= picture.quality;
1171 /* no picture yet */
1172 goto discard_packet;
1174 if (ist->st->codec->time_base.num != 0) {
1175 ist->next_pts += ((int64_t)AV_TIME_BASE *
1176 ist->st->codec->time_base.num) /
1177 ist->st->codec->time_base.den;
1181 case CODEC_TYPE_SUBTITLE:
1182 ret = avcodec_decode_subtitle(ist->st->codec,
1183 &subtitle, &got_subtitle, ptr, len);
1186 if (!got_subtitle) {
1187 goto discard_packet;
1189 subtitle_to_free = &subtitle;
1196 switch(ist->st->codec->codec_type) {
1197 case CODEC_TYPE_AUDIO:
1198 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1199 ist->st->codec->sample_rate;
1201 case CODEC_TYPE_VIDEO:
1202 if (ist->st->codec->time_base.num != 0) {
1203 ist->next_pts += ((int64_t)AV_TIME_BASE *
1204 ist->st->codec->time_base.num) /
1205 ist->st->codec->time_base.den;
1215 buffer_to_free = NULL;
1216 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1217 pre_process_video_frame(ist, (AVPicture *)&picture,
1221 // preprocess audio (volume)
1222 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1223 if (audio_volume != 256) {
1226 for(i=0;i<(data_size / sizeof(short));i++) {
1227 int v = ((*volp) * audio_volume + 128) >> 8;
1228 if (v < -32768) v = -32768;
1229 if (v > 32767) v = 32767;
1235 /* frame rate emulation */
1236 if (ist->st->codec->rate_emu) {
1237 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1238 int64_t now = av_gettime() - ist->start;
1246 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1247 is the one of the next displayed one */
1248 /* XXX: add mpeg4 too ? */
1249 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1250 if (ist->st->codec->pict_type != B_TYPE) {
1252 tmp = ist->last_ip_pts;
1253 ist->last_ip_pts = ist->frac_pts.val;
1254 ist->frac_pts.val = tmp;
1258 /* if output time reached then transcode raw format,
1259 encode packets and output them */
1260 if (start_time == 0 || ist->pts >= start_time)
1261 for(i=0;i<nb_ostreams;i++) {
1265 if (ost->source_index == ist_index) {
1266 os = output_files[ost->file_index];
1269 printf("%d: got pts=%0.3f %0.3f\n", i,
1270 (double)pkt->pts / AV_TIME_BASE,
1271 ((double)ist->pts / AV_TIME_BASE) -
1272 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1274 /* set the input output pts pairs */
1275 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1277 if (ost->encoding_needed) {
1278 switch(ost->st->codec->codec_type) {
1279 case CODEC_TYPE_AUDIO:
1280 do_audio_out(os, ost, ist, data_buf, data_size);
1282 case CODEC_TYPE_VIDEO:
1283 do_video_out(os, ost, ist, &picture, &frame_size);
1284 video_size += frame_size;
1285 if (vstats_filename && frame_size)
1286 do_video_stats(os, ost, frame_size);
1288 case CODEC_TYPE_SUBTITLE:
1289 do_subtitle_out(os, ost, ist, &subtitle,
1296 AVFrame avframe; //FIXME/XXX remove this
1298 av_init_packet(&opkt);
1300 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1303 /* no reencoding needed : output the packet directly */
1304 /* force the input stream PTS */
1306 avcodec_get_frame_defaults(&avframe);
1307 ost->st->codec->coded_frame= &avframe;
1308 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1310 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1311 audio_size += data_size;
1312 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1313 video_size += data_size;
1317 opkt.stream_index= ost->index;
1318 if(pkt->pts != AV_NOPTS_VALUE)
1319 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1321 opkt.pts= AV_NOPTS_VALUE;
1323 if (pkt->dts == AV_NOPTS_VALUE)
1324 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1326 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1328 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1329 opkt.flags= pkt->flags;
1331 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1332 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1333 opkt.destruct= av_destruct_packet;
1335 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1336 ost->st->codec->frame_number++;
1337 ost->frame_number++;
1338 av_free_packet(&opkt);
1342 av_free(buffer_to_free);
1343 /* XXX: allocate the subtitles in the codec ? */
1344 if (subtitle_to_free) {
1345 if (subtitle_to_free->rects != NULL) {
1346 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1347 av_free(subtitle_to_free->rects[i].bitmap);
1348 av_free(subtitle_to_free->rects[i].rgba_palette);
1350 av_freep(&subtitle_to_free->rects);
1352 subtitle_to_free->num_rects = 0;
1353 subtitle_to_free = NULL;
1360 for(i=0;i<nb_ostreams;i++) {
1362 if (ost->source_index == ist_index) {
1363 AVCodecContext *enc= ost->st->codec;
1364 os = output_files[ost->file_index];
1366 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1368 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1371 if (ost->encoding_needed) {
1375 av_init_packet(&pkt);
1376 pkt.stream_index= ost->index;
1378 switch(ost->st->codec->codec_type) {
1379 case CODEC_TYPE_AUDIO:
1380 fifo_bytes = av_fifo_size(&ost->fifo);
1382 /* encode any samples remaining in fifo */
1383 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1384 int fs_tmp = enc->frame_size;
1385 enc->frame_size = fifo_bytes / (2 * enc->channels);
1386 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1387 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1389 enc->frame_size = fs_tmp;
1392 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1395 pkt.flags |= PKT_FLAG_KEY;
1397 case CODEC_TYPE_VIDEO:
1398 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1400 if(enc->coded_frame && enc->coded_frame->key_frame)
1401 pkt.flags |= PKT_FLAG_KEY;
1402 if (ost->logfile && enc->stats_out) {
1403 fprintf(ost->logfile, "%s", enc->stats_out);
1412 pkt.data= bit_buffer;
1414 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1415 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1416 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1428 static void print_sdp(AVFormatContext **avc, int n)
1432 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1433 printf("SDP:\n%s\n", sdp);
1436 static int stream_index_from_inputs(AVFormatContext **input_files,
1438 AVInputFile *file_table,
1439 AVInputStream **ist_table,
1440 enum CodecType type,
1444 for(z=0; z<nb_input_files; z++) {
1445 AVFormatContext *ic = input_files[z];
1446 for(p=0; p<ic->nb_programs; p++) {
1447 AVProgram *program = ic->programs[p];
1448 if(program->id != programid)
1450 for(q=0; q<program->nb_stream_indexes; q++) {
1451 int sidx = program->stream_index[q];
1452 int ris = file_table[z].ist_index + sidx;
1453 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1463 * The following code is the main loop of the file converter
1465 static int av_encode(AVFormatContext **output_files,
1466 int nb_output_files,
1467 AVFormatContext **input_files,
1469 AVStreamMap *stream_maps, int nb_stream_maps)
1471 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1472 AVFormatContext *is, *os;
1473 AVCodecContext *codec, *icodec;
1474 AVOutputStream *ost, **ost_table = NULL;
1475 AVInputStream *ist, **ist_table = NULL;
1476 AVInputFile *file_table;
1480 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1484 /* input stream init */
1486 for(i=0;i<nb_input_files;i++) {
1487 is = input_files[i];
1488 file_table[i].ist_index = j;
1489 file_table[i].nb_streams = is->nb_streams;
1490 j += is->nb_streams;
1494 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1498 for(i=0;i<nb_istreams;i++) {
1499 ist = av_mallocz(sizeof(AVInputStream));
1505 for(i=0;i<nb_input_files;i++) {
1506 is = input_files[i];
1507 for(k=0;k<is->nb_streams;k++) {
1508 ist = ist_table[j++];
1509 ist->st = is->streams[k];
1510 ist->file_index = i;
1512 ist->discard = 1; /* the stream is discarded by default
1515 if (ist->st->codec->rate_emu) {
1516 ist->start = av_gettime();
1522 /* output stream init */
1524 for(i=0;i<nb_output_files;i++) {
1525 os = output_files[i];
1526 if (!os->nb_streams) {
1527 fprintf(stderr, "Output file does not contain any stream\n");
1530 nb_ostreams += os->nb_streams;
1532 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1533 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1537 /* Sanity check the mapping args -- do the input files & streams exist? */
1538 for(i=0;i<nb_stream_maps;i++) {
1539 int fi = stream_maps[i].file_index;
1540 int si = stream_maps[i].stream_index;
1542 if (fi < 0 || fi > nb_input_files - 1 ||
1543 si < 0 || si > file_table[fi].nb_streams - 1) {
1544 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1547 fi = stream_maps[i].sync_file_index;
1548 si = stream_maps[i].sync_stream_index;
1549 if (fi < 0 || fi > nb_input_files - 1 ||
1550 si < 0 || si > file_table[fi].nb_streams - 1) {
1551 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1556 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1559 for(i=0;i<nb_ostreams;i++) {
1560 ost = av_mallocz(sizeof(AVOutputStream));
1567 for(k=0;k<nb_output_files;k++) {
1568 os = output_files[k];
1569 for(i=0;i<os->nb_streams;i++) {
1571 ost = ost_table[n++];
1572 ost->file_index = k;
1574 ost->st = os->streams[i];
1575 if (nb_stream_maps > 0) {
1576 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1577 stream_maps[n-1].stream_index;
1579 /* Sanity check that the stream types match */
1580 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1581 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1582 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1583 ost->file_index, ost->index);
1590 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1592 ost->source_index = j;
1596 /* get corresponding input stream index : we select the first one with the right type */
1598 for(j=0;j<nb_istreams;j++) {
1601 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1602 ost->source_index = j;
1610 if(! opt_programid) {
1611 /* try again and reuse existing stream */
1612 for(j=0;j<nb_istreams;j++) {
1614 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1615 ost->source_index = j;
1621 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1622 ost->file_index, ost->index);
1627 ist = ist_table[ost->source_index];
1629 ost->sync_ist = (nb_stream_maps > 0) ?
1630 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1631 stream_maps[n-1].sync_stream_index] : ist;
1635 /* for each output stream, we compute the right encoding parameters */
1636 for(i=0;i<nb_ostreams;i++) {
1638 os = output_files[ost->file_index];
1639 ist = ist_table[ost->source_index];
1641 codec = ost->st->codec;
1642 icodec = ist->st->codec;
1644 if (!ost->st->language[0])
1645 av_strlcpy(ost->st->language, ist->st->language,
1646 sizeof(ost->st->language));
1648 ost->st->disposition = ist->st->disposition;
1650 if (ost->st->stream_copy) {
1651 /* if stream_copy is selected, no need to decode or encode */
1652 codec->codec_id = icodec->codec_id;
1653 codec->codec_type = icodec->codec_type;
1655 if(!codec->codec_tag){
1656 if( !os->oformat->codec_tag
1657 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1658 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1659 codec->codec_tag = icodec->codec_tag;
1662 codec->bit_rate = icodec->bit_rate;
1663 codec->extradata= icodec->extradata;
1664 codec->extradata_size= icodec->extradata_size;
1665 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1666 codec->time_base = icodec->time_base;
1668 codec->time_base = ist->st->time_base;
1669 switch(codec->codec_type) {
1670 case CODEC_TYPE_AUDIO:
1671 codec->sample_rate = icodec->sample_rate;
1672 codec->channels = icodec->channels;
1673 codec->frame_size = icodec->frame_size;
1674 codec->block_align= icodec->block_align;
1675 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1676 codec->block_align= 0;
1678 case CODEC_TYPE_VIDEO:
1680 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1683 codec->pix_fmt = icodec->pix_fmt;
1684 codec->width = icodec->width;
1685 codec->height = icodec->height;
1686 codec->has_b_frames = icodec->has_b_frames;
1688 case CODEC_TYPE_SUBTITLE:
1694 switch(codec->codec_type) {
1695 case CODEC_TYPE_AUDIO:
1696 if (av_fifo_init(&ost->fifo, 1024))
1698 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1699 icodec->request_channels = codec->channels;
1700 ist->decoding_needed = 1;
1701 ost->encoding_needed = 1;
1703 case CODEC_TYPE_VIDEO:
1704 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1705 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1706 ost->video_resample = ((codec->width != icodec->width -
1707 (frame_leftBand + frame_rightBand) +
1708 (frame_padleft + frame_padright)) ||
1709 (codec->height != icodec->height -
1710 (frame_topBand + frame_bottomBand) +
1711 (frame_padtop + frame_padbottom)) ||
1712 (codec->pix_fmt != icodec->pix_fmt));
1713 if (ost->video_crop) {
1714 ost->topBand = frame_topBand;
1715 ost->leftBand = frame_leftBand;
1717 if (ost->video_pad) {
1718 ost->padtop = frame_padtop;
1719 ost->padleft = frame_padleft;
1720 ost->padbottom = frame_padbottom;
1721 ost->padright = frame_padright;
1722 if (!ost->video_resample) {
1723 avcodec_get_frame_defaults(&ost->pict_tmp);
1724 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1725 codec->width, codec->height ) )
1729 if (ost->video_resample) {
1730 avcodec_get_frame_defaults(&ost->pict_tmp);
1731 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1732 codec->width, codec->height ) ) {
1733 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1736 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1737 ost->img_resample_ctx = sws_getContext(
1738 icodec->width - (frame_leftBand + frame_rightBand),
1739 icodec->height - (frame_topBand + frame_bottomBand),
1741 codec->width - (frame_padleft + frame_padright),
1742 codec->height - (frame_padtop + frame_padbottom),
1744 sws_flags, NULL, NULL, NULL);
1745 if (ost->img_resample_ctx == NULL) {
1746 fprintf(stderr, "Cannot get resampling context\n");
1749 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1751 ost->encoding_needed = 1;
1752 ist->decoding_needed = 1;
1754 case CODEC_TYPE_SUBTITLE:
1755 ost->encoding_needed = 1;
1756 ist->decoding_needed = 1;
1763 if (ost->encoding_needed &&
1764 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1765 char logfilename[1024];
1770 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1772 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1773 if (codec->flags & CODEC_FLAG_PASS1) {
1774 f = fopen(logfilename, "w");
1776 perror(logfilename);
1781 /* read the log file */
1782 f = fopen(logfilename, "r");
1784 perror(logfilename);
1787 fseek(f, 0, SEEK_END);
1789 fseek(f, 0, SEEK_SET);
1790 logbuffer = av_malloc(size + 1);
1792 fprintf(stderr, "Could not allocate log buffer\n");
1795 size = fread(logbuffer, 1, size, f);
1797 logbuffer[size] = '\0';
1798 codec->stats_in = logbuffer;
1802 if(codec->codec_type == CODEC_TYPE_VIDEO){
1803 int size= codec->width * codec->height;
1804 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1809 bit_buffer = av_malloc(bit_buffer_size);
1813 /* dump the file output parameters - cannot be done before in case
1815 for(i=0;i<nb_output_files;i++) {
1816 dump_format(output_files[i], i, output_files[i]->filename, 1);
1819 /* dump the stream mapping */
1821 fprintf(stderr, "Stream mapping:\n");
1822 for(i=0;i<nb_ostreams;i++) {
1824 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1825 ist_table[ost->source_index]->file_index,
1826 ist_table[ost->source_index]->index,
1829 if (ost->sync_ist != ist_table[ost->source_index])
1830 fprintf(stderr, " [sync #%d.%d]",
1831 ost->sync_ist->file_index,
1832 ost->sync_ist->index);
1833 fprintf(stderr, "\n");
1837 /* open each encoder */
1838 for(i=0;i<nb_ostreams;i++) {
1840 if (ost->encoding_needed) {
1842 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1844 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1845 ost->file_index, ost->index);
1848 if (avcodec_open(ost->st->codec, codec) < 0) {
1849 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1850 ost->file_index, ost->index);
1853 extra_size += ost->st->codec->extradata_size;
1857 /* open each decoder */
1858 for(i=0;i<nb_istreams;i++) {
1860 if (ist->decoding_needed) {
1862 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1864 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1865 ist->st->codec->codec_id, ist->file_index, ist->index);
1868 if (avcodec_open(ist->st->codec, codec) < 0) {
1869 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1870 ist->file_index, ist->index);
1873 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1874 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1879 for(i=0;i<nb_istreams;i++) {
1881 is = input_files[ist->file_index];
1883 ist->next_pts = AV_NOPTS_VALUE;
1887 /* set meta data information from input file if required */
1888 for (i=0;i<nb_meta_data_maps;i++) {
1889 AVFormatContext *out_file;
1890 AVFormatContext *in_file;
1892 int out_file_index = meta_data_maps[i].out_file;
1893 int in_file_index = meta_data_maps[i].in_file;
1894 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1895 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1896 ret = AVERROR(EINVAL);
1899 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1900 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1901 ret = AVERROR(EINVAL);
1905 out_file = output_files[out_file_index];
1906 in_file = input_files[in_file_index];
1908 strcpy(out_file->title, in_file->title);
1909 strcpy(out_file->author, in_file->author);
1910 strcpy(out_file->copyright, in_file->copyright);
1911 strcpy(out_file->comment, in_file->comment);
1912 strcpy(out_file->album, in_file->album);
1913 out_file->year = in_file->year;
1914 out_file->track = in_file->track;
1915 strcpy(out_file->genre, in_file->genre);
1918 /* open files and write file headers */
1919 for(i=0;i<nb_output_files;i++) {
1920 os = output_files[i];
1921 if (av_write_header(os) < 0) {
1922 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1923 ret = AVERROR(EINVAL);
1926 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1931 print_sdp(output_files, nb_output_files);
1934 if ( !using_stdin && verbose >= 0) {
1935 fprintf(stderr, "Press [q] to stop encoding\n");
1936 url_set_interrupt_cb(decode_interrupt_cb);
1941 timer_start = av_gettime();
1943 for(; received_sigterm == 0;) {
1944 int file_index, ist_index;
1952 /* if 'q' pressed, exits */
1956 /* read_key() returns 0 on EOF */
1962 /* select the stream that we must read now by looking at the
1963 smallest output pts */
1965 for(i=0;i<nb_ostreams;i++) {
1968 os = output_files[ost->file_index];
1969 ist = ist_table[ost->source_index];
1970 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1971 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1973 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1974 ipts = (double)ist->pts;
1975 if (!file_table[ist->file_index].eof_reached){
1976 if(ipts < ipts_min) {
1978 if(input_sync ) file_index = ist->file_index;
1980 if(opts < opts_min) {
1982 if(!input_sync) file_index = ist->file_index;
1985 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1990 /* if none, if is finished */
1991 if (file_index < 0) {
1995 /* finish if recording time exhausted */
1996 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1999 /* finish if limit size exhausted */
2000 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2003 /* read a frame from it and output it in the fifo */
2004 is = input_files[file_index];
2005 if (av_read_frame(is, &pkt) < 0) {
2006 file_table[file_index].eof_reached = 1;
2014 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2016 /* the following test is needed in case new streams appear
2017 dynamically in stream : we ignore them */
2018 if (pkt.stream_index >= file_table[file_index].nb_streams)
2019 goto discard_packet;
2020 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2021 ist = ist_table[ist_index];
2023 goto discard_packet;
2025 if (pkt.dts != AV_NOPTS_VALUE)
2026 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2027 if (pkt.pts != AV_NOPTS_VALUE)
2028 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2030 // 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);
2031 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2032 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2033 int64_t delta= pkt_dts - ist->next_pts;
2034 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2035 input_files_ts_offset[ist->file_index]-= delta;
2037 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2038 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2039 if(pkt.pts != AV_NOPTS_VALUE)
2040 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2044 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2045 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2048 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2049 ist->file_index, ist->index);
2051 av_free_packet(&pkt);
2056 av_free_packet(&pkt);
2058 /* dump report by using the output first video and audio streams */
2059 print_report(output_files, ost_table, nb_ostreams, 0);
2062 /* at the end of stream, we must flush the decoder buffers */
2063 for(i=0;i<nb_istreams;i++) {
2065 if (ist->decoding_needed) {
2066 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2072 /* write the trailer if needed and close file */
2073 for(i=0;i<nb_output_files;i++) {
2074 os = output_files[i];
2075 av_write_trailer(os);
2078 /* dump report by using the first video and audio streams */
2079 print_report(output_files, ost_table, nb_ostreams, 1);
2081 /* close each encoder */
2082 for(i=0;i<nb_ostreams;i++) {
2084 if (ost->encoding_needed) {
2085 av_freep(&ost->st->codec->stats_in);
2086 avcodec_close(ost->st->codec);
2090 /* close each decoder */
2091 for(i=0;i<nb_istreams;i++) {
2093 if (ist->decoding_needed) {
2094 avcodec_close(ist->st->codec);
2102 av_freep(&bit_buffer);
2103 av_free(file_table);
2106 for(i=0;i<nb_istreams;i++) {
2113 for(i=0;i<nb_ostreams;i++) {
2117 fclose(ost->logfile);
2118 ost->logfile = NULL;
2120 av_fifo_free(&ost->fifo); /* works even if fifo is not
2121 initialized but set to zero */
2122 av_free(ost->pict_tmp.data[0]);
2123 if (ost->video_resample)
2124 sws_freeContext(ost->img_resample_ctx);
2126 audio_resample_close(ost->resample);
2134 ret = AVERROR(ENOMEM);
2139 int file_read(const char *filename)
2142 unsigned char buffer[1024];
2145 if (url_open(&h, filename, O_RDONLY) < 0) {
2146 printf("could not open '%s'\n", filename);
2150 len = url_read(h, buffer, sizeof(buffer));
2153 for(i=0;i<len;i++) putchar(buffer[i]);
2160 static void opt_format(const char *arg)
2162 /* compatibility stuff for pgmyuv */
2163 if (!strcmp(arg, "pgmyuv")) {
2164 pgmyuv_compatibility_hack=1;
2165 // opt_image_format(arg);
2167 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2170 file_iformat = av_find_input_format(arg);
2171 file_oformat = guess_format(arg, NULL, NULL);
2172 if (!file_iformat && !file_oformat) {
2173 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2178 extern int ffm_nopts;
2180 static int opt_default(const char *opt, const char *arg){
2182 const AVOption *o= NULL;
2183 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2185 for(type=0; type<CODEC_TYPE_NB; type++){
2186 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2188 o = av_set_string(avctx_opts[type], opt, arg);
2191 o = av_set_string(avformat_opts, opt, arg);
2193 o = av_set_string(sws_opts, opt, arg);
2196 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2197 else if(opt[0] == 'v')
2198 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2199 else if(opt[0] == 's')
2200 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2205 // 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));
2207 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2208 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2209 opt_names[opt_name_count++]= o->name;
2211 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2212 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2213 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2217 if(avctx_opts[0]->debug)
2218 av_log_set_level(AV_LOG_DEBUG);
2222 static void opt_video_rc_override_string(const char *arg)
2224 video_rc_override_string = arg;
2227 static int opt_me_threshold(const char *opt, const char *arg)
2229 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2233 static int opt_verbose(const char *opt, const char *arg)
2235 verbose = parse_number_or_die(opt, arg, OPT_INT64, AV_LOG_QUIET, AV_LOG_DEBUG);
2236 av_log_set_level(verbose);
2240 static void opt_frame_rate(const char *arg)
2242 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2243 fprintf(stderr, "Incorrect frame rate\n");
2248 static int opt_bitrate(const char *opt, const char *arg)
2250 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2252 opt_default(opt, arg);
2254 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2255 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2260 static void opt_frame_crop_top(const char *arg)
2262 frame_topBand = atoi(arg);
2263 if (frame_topBand < 0) {
2264 fprintf(stderr, "Incorrect top crop size\n");
2267 if ((frame_topBand % 2) != 0) {
2268 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2271 if ((frame_topBand) >= frame_height){
2272 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2275 frame_height -= frame_topBand;
2278 static void opt_frame_crop_bottom(const char *arg)
2280 frame_bottomBand = atoi(arg);
2281 if (frame_bottomBand < 0) {
2282 fprintf(stderr, "Incorrect bottom crop size\n");
2285 if ((frame_bottomBand % 2) != 0) {
2286 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2289 if ((frame_bottomBand) >= frame_height){
2290 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2293 frame_height -= frame_bottomBand;
2296 static void opt_frame_crop_left(const char *arg)
2298 frame_leftBand = atoi(arg);
2299 if (frame_leftBand < 0) {
2300 fprintf(stderr, "Incorrect left crop size\n");
2303 if ((frame_leftBand % 2) != 0) {
2304 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2307 if ((frame_leftBand) >= frame_width){
2308 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2311 frame_width -= frame_leftBand;
2314 static void opt_frame_crop_right(const char *arg)
2316 frame_rightBand = atoi(arg);
2317 if (frame_rightBand < 0) {
2318 fprintf(stderr, "Incorrect right crop size\n");
2321 if ((frame_rightBand % 2) != 0) {
2322 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2325 if ((frame_rightBand) >= frame_width){
2326 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2329 frame_width -= frame_rightBand;
2332 static void opt_frame_size(const char *arg)
2334 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2335 fprintf(stderr, "Incorrect frame size\n");
2338 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2339 fprintf(stderr, "Frame size must be a multiple of 2\n");
2345 #define SCALEBITS 10
2346 #define ONE_HALF (1 << (SCALEBITS - 1))
2347 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2349 #define RGB_TO_Y(r, g, b) \
2350 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2351 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2353 #define RGB_TO_U(r1, g1, b1, shift)\
2354 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2355 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2357 #define RGB_TO_V(r1, g1, b1, shift)\
2358 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2359 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2361 static void opt_pad_color(const char *arg) {
2362 /* Input is expected to be six hex digits similar to
2363 how colors are expressed in html tags (but without the #) */
2364 int rgb = strtol(arg, NULL, 16);
2368 g = ((rgb >> 8) & 255);
2371 padcolor[0] = RGB_TO_Y(r,g,b);
2372 padcolor[1] = RGB_TO_U(r,g,b,0);
2373 padcolor[2] = RGB_TO_V(r,g,b,0);
2376 static void opt_frame_pad_top(const char *arg)
2378 frame_padtop = atoi(arg);
2379 if (frame_padtop < 0) {
2380 fprintf(stderr, "Incorrect top pad size\n");
2383 if ((frame_padtop % 2) != 0) {
2384 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2389 static void opt_frame_pad_bottom(const char *arg)
2391 frame_padbottom = atoi(arg);
2392 if (frame_padbottom < 0) {
2393 fprintf(stderr, "Incorrect bottom pad size\n");
2396 if ((frame_padbottom % 2) != 0) {
2397 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2403 static void opt_frame_pad_left(const char *arg)
2405 frame_padleft = atoi(arg);
2406 if (frame_padleft < 0) {
2407 fprintf(stderr, "Incorrect left pad size\n");
2410 if ((frame_padleft % 2) != 0) {
2411 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2417 static void opt_frame_pad_right(const char *arg)
2419 frame_padright = atoi(arg);
2420 if (frame_padright < 0) {
2421 fprintf(stderr, "Incorrect right pad size\n");
2424 if ((frame_padright % 2) != 0) {
2425 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2430 void list_pix_fmts(void)
2433 char pix_fmt_str[128];
2434 for (i=-1; i < PIX_FMT_NB; i++) {
2435 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2436 fprintf(stdout, "%s\n", pix_fmt_str);
2440 static void opt_frame_pix_fmt(const char *arg)
2442 if (strcmp(arg, "list"))
2443 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2450 static void opt_frame_aspect_ratio(const char *arg)
2457 p = strchr(arg, ':');
2459 x = strtol(arg, &end, 10);
2461 y = strtol(end+1, &end, 10);
2463 ar = (double)x / (double)y;
2465 ar = strtod(arg, NULL);
2468 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2471 frame_aspect_ratio = ar;
2474 static void opt_qscale(const char *arg)
2476 video_qscale = atof(arg);
2477 if (video_qscale <= 0 ||
2478 video_qscale > 255) {
2479 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2484 static void opt_qdiff(const char *arg)
2486 video_qdiff = atoi(arg);
2487 if (video_qdiff < 0 ||
2489 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2494 static void opt_strict(const char *arg)
2499 static void opt_top_field_first(const char *arg)
2501 top_field_first= atoi(arg);
2504 static void opt_thread_count(const char *arg)
2506 thread_count= atoi(arg);
2507 #if !defined(HAVE_THREADS)
2509 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2513 static int opt_audio_rate(const char *opt, const char *arg)
2515 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2519 static int opt_audio_channels(const char *opt, const char *arg)
2521 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2525 static void opt_video_channel(const char *arg)
2527 video_channel = strtol(arg, NULL, 0);
2530 static void opt_video_standard(const char *arg)
2532 video_standard = av_strdup(arg);
2535 static void opt_codec(int *pstream_copy, char **pcodec_name,
2536 int codec_type, const char *arg)
2538 av_freep(pcodec_name);
2539 if (!strcmp(arg, "copy")) {
2542 *pcodec_name = av_strdup(arg);
2546 static void opt_audio_codec(const char *arg)
2548 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2551 static void opt_audio_tag(const char *arg)
2554 audio_codec_tag= strtol(arg, &tail, 0);
2557 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2560 static void opt_video_tag(const char *arg)
2563 video_codec_tag= strtol(arg, &tail, 0);
2566 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2570 static void add_frame_hooker(const char *arg)
2575 char *args = av_strdup(arg);
2579 argv[0] = strtok(args, " ");
2580 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2583 i = frame_hook_add(argc, argv);
2586 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2592 static void opt_video_codec(const char *arg)
2594 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2597 static void opt_subtitle_codec(const char *arg)
2599 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2602 static void opt_map(const char *arg)
2607 m = &stream_maps[nb_stream_maps++];
2609 m->file_index = strtol(arg, &p, 0);
2613 m->stream_index = strtol(p, &p, 0);
2616 m->sync_file_index = strtol(p, &p, 0);
2619 m->sync_stream_index = strtol(p, &p, 0);
2621 m->sync_file_index = m->file_index;
2622 m->sync_stream_index = m->stream_index;
2626 static void opt_map_meta_data(const char *arg)
2631 m = &meta_data_maps[nb_meta_data_maps++];
2633 m->out_file = strtol(arg, &p, 0);
2637 m->in_file = strtol(p, &p, 0);
2640 static int opt_recording_time(const char *opt, const char *arg)
2642 recording_time = parse_time_or_die(opt, arg, 1);
2646 static int opt_start_time(const char *opt, const char *arg)
2648 start_time = parse_time_or_die(opt, arg, 1);
2652 static int opt_rec_timestamp(const char *opt, const char *arg)
2654 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2658 static int opt_input_ts_offset(const char *opt, const char *arg)
2660 input_ts_offset = parse_time_or_die(opt, arg, 1);
2664 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2666 const char *codec_string = encoder ? "encoder" : "decoder";
2670 return CODEC_ID_NONE;
2672 avcodec_find_encoder_by_name(name) :
2673 avcodec_find_decoder_by_name(name);
2675 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2678 if(codec->type != type) {
2679 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2685 static void opt_input_file(const char *filename)
2687 AVFormatContext *ic;
2688 AVFormatParameters params, *ap = ¶ms;
2689 int err, i, ret, rfps, rfps_base;
2692 if (!strcmp(filename, "-"))
2695 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2696 !strcmp( filename, "/dev/stdin" );
2698 /* get default parameters from command line */
2699 ic = av_alloc_format_context();
2701 memset(ap, 0, sizeof(*ap));
2702 ap->prealloced_context = 1;
2703 ap->sample_rate = audio_sample_rate;
2704 ap->channels = audio_channels;
2705 ap->time_base.den = frame_rate.num;
2706 ap->time_base.num = frame_rate.den;
2707 ap->width = frame_width + frame_padleft + frame_padright;
2708 ap->height = frame_height + frame_padtop + frame_padbottom;
2709 ap->pix_fmt = frame_pix_fmt;
2710 ap->channel = video_channel;
2711 ap->standard = video_standard;
2712 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2713 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2714 if(pgmyuv_compatibility_hack)
2715 ap->video_codec_id= CODEC_ID_PGMYUV;
2717 for(i=0; i<opt_name_count; i++){
2719 const AVOption *opt;
2720 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2721 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2722 av_set_string(ic, opt_names[i], str);
2725 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2726 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2727 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2729 /* open the input file with generic libav function */
2730 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2732 print_error(filename, err);
2737 for(i=0; i<ic->nb_programs; i++)
2738 if(ic->programs[i]->id != opt_programid)
2739 ic->programs[i]->discard = AVDISCARD_ALL;
2742 ic->loop_input = loop_input;
2744 /* If not enough info to get the stream parameters, we decode the
2745 first frames to get it. (used in mpeg case for example) */
2746 ret = av_find_stream_info(ic);
2747 if (ret < 0 && verbose >= 0) {
2748 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2752 timestamp = start_time;
2753 /* add the stream start time */
2754 if (ic->start_time != AV_NOPTS_VALUE)
2755 timestamp += ic->start_time;
2757 /* if seeking requested, we execute it */
2758 if (start_time != 0) {
2759 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2761 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2762 filename, (double)timestamp / AV_TIME_BASE);
2764 /* reset seek info */
2768 /* update the current parameters so that they match the one of the input stream */
2769 for(i=0;i<ic->nb_streams;i++) {
2771 AVCodecContext *enc = ic->streams[i]->codec;
2773 avcodec_thread_init(enc, thread_count);
2774 enc->thread_count= thread_count;
2775 switch(enc->codec_type) {
2776 case CODEC_TYPE_AUDIO:
2777 for(j=0; j<opt_name_count; j++){
2779 const AVOption *opt;
2780 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2781 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2782 av_set_string(enc, opt_names[j], str);
2784 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2785 audio_channels = enc->channels;
2786 audio_sample_rate = enc->sample_rate;
2788 ic->streams[i]->discard= AVDISCARD_ALL;
2790 case CODEC_TYPE_VIDEO:
2791 for(j=0; j<opt_name_count; j++){
2793 const AVOption *opt;
2794 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2795 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2796 av_set_string(enc, opt_names[j], str);
2798 frame_height = enc->height;
2799 frame_width = enc->width;
2800 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2801 frame_pix_fmt = enc->pix_fmt;
2802 rfps = ic->streams[i]->r_frame_rate.num;
2803 rfps_base = ic->streams[i]->r_frame_rate.den;
2804 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2806 enc->debug |= FF_DEBUG_MV;
2808 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2811 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2812 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2814 (float)rfps / rfps_base, rfps, rfps_base);
2816 /* update the current frame rate to match the stream frame rate */
2817 frame_rate.num = rfps;
2818 frame_rate.den = rfps_base;
2820 enc->rate_emu = rate_emu;
2822 ic->streams[i]->discard= AVDISCARD_ALL;
2823 else if(video_discard)
2824 ic->streams[i]->discard= video_discard;
2826 case CODEC_TYPE_DATA:
2828 case CODEC_TYPE_SUBTITLE:
2829 if(subtitle_disable)
2830 ic->streams[i]->discard = AVDISCARD_ALL;
2832 case CODEC_TYPE_ATTACHMENT:
2833 case CODEC_TYPE_UNKNOWN:
2840 input_files[nb_input_files] = ic;
2841 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2842 /* dump the file content */
2844 dump_format(ic, nb_input_files, filename, 0);
2847 file_iformat = NULL;
2848 file_oformat = NULL;
2853 av_freep(&video_codec_name);
2854 av_freep(&audio_codec_name);
2855 av_freep(&subtitle_codec_name);
2858 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2859 int *has_subtitle_ptr)
2861 int has_video, has_audio, has_subtitle, i, j;
2862 AVFormatContext *ic;
2867 for(j=0;j<nb_input_files;j++) {
2868 ic = input_files[j];
2869 for(i=0;i<ic->nb_streams;i++) {
2870 AVCodecContext *enc = ic->streams[i]->codec;
2871 switch(enc->codec_type) {
2872 case CODEC_TYPE_AUDIO:
2875 case CODEC_TYPE_VIDEO:
2878 case CODEC_TYPE_SUBTITLE:
2881 case CODEC_TYPE_DATA:
2882 case CODEC_TYPE_ATTACHMENT:
2883 case CODEC_TYPE_UNKNOWN:
2890 *has_video_ptr = has_video;
2891 *has_audio_ptr = has_audio;
2892 *has_subtitle_ptr = has_subtitle;
2895 static void new_video_stream(AVFormatContext *oc)
2898 AVCodecContext *video_enc;
2901 st = av_new_stream(oc, oc->nb_streams);
2903 fprintf(stderr, "Could not alloc stream\n");
2906 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2907 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2908 video_bitstream_filters= NULL;
2911 avcodec_thread_init(st->codec, thread_count);
2913 video_enc = st->codec;
2916 video_enc->codec_tag= video_codec_tag;
2918 if( (video_global_header&1)
2919 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2920 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2921 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2923 if(video_global_header&2){
2924 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2925 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2928 if (video_stream_copy) {
2929 st->stream_copy = 1;
2930 video_enc->codec_type = CODEC_TYPE_VIDEO;
2935 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2937 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2938 if (video_codec_name)
2939 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2941 video_enc->codec_id = codec_id;
2942 codec = avcodec_find_encoder(codec_id);
2944 for(i=0; i<opt_name_count; i++){
2946 const AVOption *opt;
2947 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2948 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2949 av_set_string(video_enc, opt_names[i], str);
2952 video_enc->time_base.den = fps.num;
2953 video_enc->time_base.num = fps.den;
2954 if(codec && codec->supported_framerates){
2955 const AVRational *p= codec->supported_framerates;
2956 const AVRational *best=NULL;
2957 AVRational best_error= (AVRational){INT_MAX, 1};
2958 for(; p->den!=0; p++){
2959 AVRational error= av_sub_q(fps, *p);
2960 if(error.num <0) error.num *= -1;
2961 if(av_cmp_q(error, best_error) < 0){
2966 video_enc->time_base.den= best->num;
2967 video_enc->time_base.num= best->den;
2970 video_enc->width = frame_width + frame_padright + frame_padleft;
2971 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2972 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2973 video_enc->pix_fmt = frame_pix_fmt;
2975 if(codec && codec->pix_fmts){
2976 const enum PixelFormat *p= codec->pix_fmts;
2978 if(*p == video_enc->pix_fmt)
2982 video_enc->pix_fmt = codec->pix_fmts[0];
2986 video_enc->gop_size = 0;
2987 if (video_qscale || same_quality) {
2988 video_enc->flags |= CODEC_FLAG_QSCALE;
2989 video_enc->global_quality=
2990 st->quality = FF_QP2LAMBDA * video_qscale;
2994 video_enc->intra_matrix = intra_matrix;
2996 video_enc->inter_matrix = inter_matrix;
2998 video_enc->max_qdiff = video_qdiff;
2999 video_enc->thread_count = thread_count;
3000 p= video_rc_override_string;
3003 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3005 fprintf(stderr, "error parsing rc_override\n");
3008 video_enc->rc_override=
3009 av_realloc(video_enc->rc_override,
3010 sizeof(RcOverride)*(i+1));
3011 video_enc->rc_override[i].start_frame= start;
3012 video_enc->rc_override[i].end_frame = end;
3014 video_enc->rc_override[i].qscale= q;
3015 video_enc->rc_override[i].quality_factor= 1.0;
3018 video_enc->rc_override[i].qscale= 0;
3019 video_enc->rc_override[i].quality_factor= -q/100.0;
3024 video_enc->rc_override_count=i;
3025 if (!video_enc->rc_initial_buffer_occupancy)
3026 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3027 video_enc->me_threshold= me_threshold;
3028 video_enc->intra_dc_precision= intra_dc_precision - 8;
3029 video_enc->strict_std_compliance = strict;
3032 video_enc->flags|= CODEC_FLAG_PSNR;
3037 video_enc->flags |= CODEC_FLAG_PASS1;
3039 video_enc->flags |= CODEC_FLAG_PASS2;
3044 /* reset some key parameters */
3046 av_freep(&video_codec_name);
3047 video_stream_copy = 0;
3050 static void new_audio_stream(AVFormatContext *oc)
3053 AVCodecContext *audio_enc;
3056 st = av_new_stream(oc, oc->nb_streams);
3058 fprintf(stderr, "Could not alloc stream\n");
3061 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3063 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3064 audio_bitstream_filters= NULL;
3067 avcodec_thread_init(st->codec, thread_count);
3069 audio_enc = st->codec;
3070 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3071 audio_enc->strict_std_compliance = strict;
3074 audio_enc->codec_tag= audio_codec_tag;
3076 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3077 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3078 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3080 if (audio_stream_copy) {
3081 st->stream_copy = 1;
3082 audio_enc->channels = audio_channels;
3084 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3086 for(i=0; i<opt_name_count; i++){
3088 const AVOption *opt;
3089 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3090 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3091 av_set_string(audio_enc, opt_names[i], str);
3094 if (audio_codec_name)
3095 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3096 audio_enc->codec_id = codec_id;
3098 if (audio_qscale > QSCALE_NONE) {
3099 audio_enc->flags |= CODEC_FLAG_QSCALE;
3100 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3102 audio_enc->thread_count = thread_count;
3103 audio_enc->channels = audio_channels;
3105 audio_enc->sample_rate = audio_sample_rate;
3106 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3107 if (audio_language) {
3108 av_strlcpy(st->language, audio_language, sizeof(st->language));
3109 av_free(audio_language);
3110 audio_language = NULL;
3113 /* reset some key parameters */
3115 av_freep(&audio_codec_name);
3116 audio_stream_copy = 0;
3119 static void new_subtitle_stream(AVFormatContext *oc)
3122 AVCodecContext *subtitle_enc;
3125 st = av_new_stream(oc, oc->nb_streams);
3127 fprintf(stderr, "Could not alloc stream\n");
3130 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3132 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3133 subtitle_bitstream_filters= NULL;
3135 subtitle_enc = st->codec;
3136 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3137 if (subtitle_stream_copy) {
3138 st->stream_copy = 1;
3140 for(i=0; i<opt_name_count; i++){
3142 const AVOption *opt;
3143 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3144 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3145 av_set_string(subtitle_enc, opt_names[i], str);
3147 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3150 if (subtitle_language) {
3151 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3152 av_free(subtitle_language);
3153 subtitle_language = NULL;
3156 subtitle_disable = 0;
3157 av_freep(&subtitle_codec_name);
3158 subtitle_stream_copy = 0;
3161 static void opt_new_audio_stream(void)
3163 AVFormatContext *oc;
3164 if (nb_output_files <= 0) {
3165 fprintf(stderr, "At least one output file must be specified\n");
3168 oc = output_files[nb_output_files - 1];
3169 new_audio_stream(oc);
3172 static void opt_new_video_stream(void)
3174 AVFormatContext *oc;
3175 if (nb_output_files <= 0) {
3176 fprintf(stderr, "At least one output file must be specified\n");
3179 oc = output_files[nb_output_files - 1];
3180 new_video_stream(oc);
3183 static void opt_new_subtitle_stream(void)
3185 AVFormatContext *oc;
3186 if (nb_output_files <= 0) {
3187 fprintf(stderr, "At least one output file must be specified\n");
3190 oc = output_files[nb_output_files - 1];
3191 new_subtitle_stream(oc);
3194 static void opt_output_file(const char *filename)
3196 AVFormatContext *oc;
3197 int use_video, use_audio, use_subtitle;
3198 int input_has_video, input_has_audio, input_has_subtitle, i;
3199 AVFormatParameters params, *ap = ¶ms;
3201 if (!strcmp(filename, "-"))
3204 oc = av_alloc_format_context();
3206 if (!file_oformat) {
3207 file_oformat = guess_format(NULL, filename, NULL);
3208 if (!file_oformat) {
3209 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3215 oc->oformat = file_oformat;
3216 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3218 if (!strcmp(file_oformat->name, "ffm") &&
3219 av_strstart(filename, "http:", NULL)) {
3220 /* special case for files sent to ffserver: we get the stream
3221 parameters from ffserver */
3222 if (read_ffserver_streams(oc, filename) < 0) {
3223 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3227 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3228 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3229 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3231 /* disable if no corresponding type found and at least one
3233 if (nb_input_files > 0) {
3234 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3235 &input_has_subtitle);
3236 if (!input_has_video)
3238 if (!input_has_audio)
3240 if (!input_has_subtitle)
3244 /* manual disable */
3245 if (audio_disable) {
3248 if (video_disable) {
3251 if (subtitle_disable) {
3256 new_video_stream(oc);
3260 new_audio_stream(oc);
3264 new_subtitle_stream(oc);
3267 oc->timestamp = rec_timestamp;
3270 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3272 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3274 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3276 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3278 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3280 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3283 output_files[nb_output_files++] = oc;
3285 /* check filename in case of an image number is expected */
3286 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3287 if (!av_filename_number_test(oc->filename)) {
3288 print_error(oc->filename, AVERROR_NUMEXPECTED);
3293 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3294 /* test if it already exists to avoid loosing precious files */
3295 if (!file_overwrite &&
3296 (strchr(filename, ':') == NULL ||
3297 filename[1] == ':' ||
3298 av_strstart(filename, "file:", NULL))) {
3299 if (url_exist(filename)) {
3302 if ( !using_stdin ) {
3303 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3306 if (toupper(c) != 'Y') {
3307 fprintf(stderr, "Not overwriting - exiting\n");
3312 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3319 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3320 fprintf(stderr, "Could not open '%s'\n", filename);
3325 memset(ap, 0, sizeof(*ap));
3326 if (av_set_parameters(oc, ap) < 0) {
3327 fprintf(stderr, "%s: Invalid encoding parameters\n",
3332 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3333 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3334 oc->loop_output = loop_output;
3336 for(i=0; i<opt_name_count; i++){
3338 const AVOption *opt;
3339 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3340 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3341 av_set_string(oc, opt_names[i], str);
3344 /* reset some options */
3345 file_oformat = NULL;
3346 file_iformat = NULL;
3349 /* same option as mencoder */
3350 static void opt_pass(const char *pass_str)
3353 pass = atoi(pass_str);
3354 if (pass != 1 && pass != 2) {
3355 fprintf(stderr, "pass number can be only 1 or 2\n");
3361 static int64_t getutime(void)
3363 #ifdef HAVE_GETRUSAGE
3364 struct rusage rusage;
3366 getrusage(RUSAGE_SELF, &rusage);
3367 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3368 #elif defined(HAVE_GETPROCESSTIMES)
3370 FILETIME c, e, k, u;
3371 proc = GetCurrentProcess();
3372 GetProcessTimes(proc, &c, &e, &k, &u);
3373 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3375 return av_gettime();
3379 static void opt_show_formats(void)
3381 AVInputFormat *ifmt=NULL;
3382 AVOutputFormat *ofmt=NULL;
3383 URLProtocol *up=NULL;
3384 AVCodec *p=NULL, *p2;
3385 AVBitStreamFilter *bsf=NULL;
3386 const char *last_name;
3388 printf("File formats:\n");
3393 const char *name=NULL;
3394 const char *long_name=NULL;
3396 while((ofmt= av_oformat_next(ofmt))) {
3397 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3398 strcmp(ofmt->name, last_name)>0){
3400 long_name= ofmt->long_name;
3404 while((ifmt= av_iformat_next(ifmt))) {
3405 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3406 strcmp(ifmt->name, last_name)>0){
3408 long_name= ifmt->long_name;
3411 if(name && strcmp(ifmt->name, name)==0)
3423 long_name ? long_name:" ");
3427 printf("Codecs:\n");
3433 const char *type_str;
3436 while((p= av_codec_next(p))) {
3437 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3438 strcmp(p->name, last_name)>0){
3440 decode= encode= cap=0;
3442 if(p2 && strcmp(p->name, p2->name)==0){
3443 if(p->decode) decode=1;
3444 if(p->encode) encode=1;
3445 cap |= p->capabilities;
3450 last_name= p2->name;
3453 case CODEC_TYPE_VIDEO:
3456 case CODEC_TYPE_AUDIO:
3459 case CODEC_TYPE_SUBTITLE:
3468 decode ? "D": (/*p2->decoder ? "d":*/" "),
3471 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3472 cap & CODEC_CAP_DR1 ? "D":" ",
3473 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3475 /* if(p2->decoder && decode==0)
3476 printf(" use %s for decoding", p2->decoder->name);*/
3481 printf("Bitstream filters:\n");
3482 while((bsf = av_bitstream_filter_next(bsf)))
3483 printf(" %s", bsf->name);
3486 printf("Supported file protocols:\n");
3487 while((up = av_protocol_next(up)))
3488 printf(" %s:", up->name);
3491 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3494 "Note, the names of encoders and decoders do not always match, so there are\n"
3495 "several cases where the above table shows encoder only or decoder only entries\n"
3496 "even though both encoding and decoding are supported. For example, the h263\n"
3497 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3502 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3505 const char *p = str;
3512 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3519 static void opt_inter_matrix(const char *arg)
3521 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3522 parse_matrix_coeffs(inter_matrix, arg);
3525 static void opt_intra_matrix(const char *arg)
3527 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3528 parse_matrix_coeffs(intra_matrix, arg);
3532 * Trivial log callback.
3533 * Only suitable for show_help and similar since it lacks prefix handling.
3535 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3537 vfprintf(stdout, fmt, vl);
3540 static void show_help(void)
3542 av_log_set_callback(log_callback_help);
3543 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3544 "Hyper fast Audio and Video encoder\n");
3546 show_help_options(options, "Main options:\n",
3547 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3548 show_help_options(options, "\nVideo options:\n",
3549 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3551 show_help_options(options, "\nAdvanced Video options:\n",
3552 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3553 OPT_VIDEO | OPT_EXPERT);
3554 show_help_options(options, "\nAudio options:\n",
3555 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3557 show_help_options(options, "\nAdvanced Audio options:\n",
3558 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3559 OPT_AUDIO | OPT_EXPERT);
3560 show_help_options(options, "\nSubtitle options:\n",
3561 OPT_SUBTITLE | OPT_GRAB,
3563 show_help_options(options, "\nAudio/Video grab options:\n",
3566 show_help_options(options, "\nAdvanced options:\n",
3567 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3569 av_opt_show(avctx_opts[0], NULL);
3570 av_opt_show(avformat_opts, NULL);
3571 av_opt_show(sws_opts, NULL);
3574 static void opt_show_help(void)
3580 static void opt_target(const char *arg)
3583 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3585 if(!strncmp(arg, "pal-", 4)) {
3588 } else if(!strncmp(arg, "ntsc-", 5)) {
3591 } else if(!strncmp(arg, "film-", 5)) {
3596 /* Calculate FR via float to avoid int overflow */
3597 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3600 } else if((fr == 29970) || (fr == 23976)) {
3603 /* Try to determine PAL/NTSC by peeking in the input files */
3604 if(nb_input_files) {
3606 for(j = 0; j < nb_input_files; j++) {
3607 for(i = 0; i < input_files[j]->nb_streams; i++) {
3608 AVCodecContext *c = input_files[j]->streams[i]->codec;
3609 if(c->codec_type != CODEC_TYPE_VIDEO)
3611 fr = c->time_base.den * 1000 / c->time_base.num;
3615 } else if((fr == 29970) || (fr == 23976)) {
3625 if(verbose && norm >= 0)
3626 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3630 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3631 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3632 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3636 if(!strcmp(arg, "vcd")) {
3638 opt_video_codec("mpeg1video");
3639 opt_audio_codec("mp2");
3642 opt_frame_size(norm ? "352x240" : "352x288");
3643 opt_frame_rate(frame_rates[norm]);
3644 opt_default("gop", norm ? "18" : "15");
3646 opt_default("b", "1150000");
3647 opt_default("maxrate", "1150000");
3648 opt_default("minrate", "1150000");
3649 opt_default("bufsize", "327680"); // 40*1024*8;
3651 opt_default("ab", "224000");
3652 audio_sample_rate = 44100;
3655 opt_default("packetsize", "2324");
3656 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3658 /* We have to offset the PTS, so that it is consistent with the SCR.
3659 SCR starts at 36000, but the first two packs contain only padding
3660 and the first pack from the other stream, respectively, may also have
3661 been written before.
3662 So the real data starts at SCR 36000+3*1200. */
3663 mux_preload= (36000+3*1200) / 90000.0; //0.44
3664 } else if(!strcmp(arg, "svcd")) {
3666 opt_video_codec("mpeg2video");
3667 opt_audio_codec("mp2");
3670 opt_frame_size(norm ? "480x480" : "480x576");
3671 opt_frame_rate(frame_rates[norm]);
3672 opt_default("gop", norm ? "18" : "15");
3674 opt_default("b", "2040000");
3675 opt_default("maxrate", "2516000");
3676 opt_default("minrate", "0"); //1145000;
3677 opt_default("bufsize", "1835008"); //224*1024*8;
3678 opt_default("flags", "+SCAN_OFFSET");
3681 opt_default("ab", "224000");
3682 audio_sample_rate = 44100;
3684 opt_default("packetsize", "2324");
3686 } else if(!strcmp(arg, "dvd")) {
3688 opt_video_codec("mpeg2video");
3689 opt_audio_codec("ac3");
3692 opt_frame_size(norm ? "720x480" : "720x576");
3693 opt_frame_rate(frame_rates[norm]);
3694 opt_default("gop", norm ? "18" : "15");
3696 opt_default("b", "6000000");
3697 opt_default("maxrate", "9000000");
3698 opt_default("minrate", "0"); //1500000;
3699 opt_default("bufsize", "1835008"); //224*1024*8;
3701 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3702 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3704 opt_default("ab", "448000");
3705 audio_sample_rate = 48000;
3707 } else if(!strncmp(arg, "dv", 2)) {
3711 opt_frame_size(norm ? "720x480" : "720x576");
3712 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3713 (norm ? "yuv411p" : "yuv420p"));
3714 opt_frame_rate(frame_rates[norm]);
3716 audio_sample_rate = 48000;
3720 fprintf(stderr, "Unknown target: %s\n", arg);
3725 static void opt_vstats_file (const char *arg)
3727 av_free (vstats_filename);
3728 vstats_filename=av_strdup (arg);
3731 static void opt_vstats (void)
3734 time_t today2 = time(NULL);
3735 struct tm *today = localtime(&today2);
3737 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3739 opt_vstats_file(filename);
3742 static int opt_bsf(const char *opt, const char *arg)
3744 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3745 AVBitStreamFilterContext **bsfp;
3748 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3752 bsfp= *opt == 'v' ? &video_bitstream_filters :
3753 *opt == 'a' ? &audio_bitstream_filters :
3754 &subtitle_bitstream_filters;
3756 bsfp= &(*bsfp)->next;
3763 static void opt_show_license(void)
3769 static void opt_show_version(void)
3771 show_version(program_name);
3775 const OptionDef options[] = {
3777 { "L", 0, {(void*)opt_show_license}, "show license" },
3778 { "h", 0, {(void*)opt_show_help}, "show help" },
3779 { "version", 0, {(void*)opt_show_version}, "show version" },
3780 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3781 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3782 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3783 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3784 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3785 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3786 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3787 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3788 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3789 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3790 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3791 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3792 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3793 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3794 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3795 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3796 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3797 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3798 "add timings for benchmarking" },
3799 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3800 "dump each input packet" },
3801 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3802 "when dumping packets, also dump the payload" },
3803 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3804 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3805 { "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)", "" },
3806 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3807 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3808 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3809 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3810 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3811 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3812 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3813 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3814 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3815 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3816 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3819 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3820 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3821 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3822 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3823 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3824 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3825 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3826 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3827 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3828 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3829 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3830 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3831 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3832 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3833 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3834 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3835 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3836 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3837 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3838 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3839 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3840 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3841 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3842 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3843 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3844 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3845 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3846 "use same video quality as source (implies VBR)" },
3847 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3848 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3849 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3850 "deinterlace pictures" },
3851 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3852 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3853 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3855 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3857 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3858 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3859 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3860 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3861 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3862 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3863 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3866 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3867 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3868 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3869 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3870 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3871 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3872 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3873 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3874 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3875 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3876 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3878 /* subtitle options */
3879 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3880 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3881 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3882 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3885 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3886 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3887 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3890 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3891 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3893 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3894 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3895 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3897 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3901 int main(int argc, char **argv)
3906 avcodec_register_all();
3907 avdevice_register_all();
3910 for(i=0; i<CODEC_TYPE_NB; i++){
3911 avctx_opts[i]= avcodec_alloc_context2(i);
3913 avformat_opts = av_alloc_format_context();
3914 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3916 show_banner(program_name, program_birth_year);
3923 parse_options(argc, argv, options, opt_output_file);
3925 /* file converter / grab */
3926 if (nb_output_files <= 0) {
3927 fprintf(stderr, "Must supply at least one output file\n");
3931 if (nb_input_files == 0) {
3932 fprintf(stderr, "Must supply at least one input file\n");
3937 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3938 stream_maps, nb_stream_maps);
3939 ti = getutime() - ti;
3941 printf("bench: utime=%0.3fs\n", ti / 1000000.0);