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
30 #include "libavformat/avformat.h"
31 #include "libavdevice/avdevice.h"
32 #include "libswscale/swscale.h"
33 #include "libavformat/framehook.h"
34 #include "libavcodec/opt.h"
35 #include "libavutil/fifo.h"
36 #include "libavutil/avstring.h"
37 #include "libavformat/os_support.h"
39 #ifdef HAVE_SYS_RESOURCE_H
40 #include <sys/types.h>
41 #include <sys/resource.h>
42 #elif defined(HAVE_GETPROCESSTIMES)
46 #if defined(HAVE_TERMIOS_H)
49 #include <sys/ioctl.h>
52 #elif defined(HAVE_CONIO_H)
55 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
65 const char program_name[] = "FFmpeg";
66 const int program_birth_year = 2000;
68 /* select an input stream for an output stream */
69 typedef struct AVStreamMap {
73 int sync_stream_index;
76 /** select an input file for an output file */
77 typedef struct AVMetaDataMap {
82 static const OptionDef options[];
86 static AVFormatContext *input_files[MAX_FILES];
87 static int64_t input_files_ts_offset[MAX_FILES];
88 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
89 static int nb_input_files = 0;
91 static AVFormatContext *output_files[MAX_FILES];
92 static int nb_output_files = 0;
94 static AVStreamMap stream_maps[MAX_FILES];
95 static int nb_stream_maps;
97 static AVMetaDataMap meta_data_maps[MAX_FILES];
98 static int nb_meta_data_maps;
100 static AVInputFormat *file_iformat;
101 static AVOutputFormat *file_oformat;
102 static int frame_width = 0;
103 static int frame_height = 0;
104 static float frame_aspect_ratio = 0;
105 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
106 static int frame_padtop = 0;
107 static int frame_padbottom = 0;
108 static int frame_padleft = 0;
109 static int frame_padright = 0;
110 static int padcolor[3] = {16,128,128}; /* default to black */
111 static int frame_topBand = 0;
112 static int frame_bottomBand = 0;
113 static int frame_leftBand = 0;
114 static int frame_rightBand = 0;
115 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
116 static AVRational frame_rate;
117 static float video_qscale = 0;
118 static uint16_t *intra_matrix = NULL;
119 static uint16_t *inter_matrix = NULL;
120 #if 0 //experimental, (can be removed)
121 static float video_rc_qsquish=1.0;
122 static float video_rc_qmod_amp=0;
123 static int video_rc_qmod_freq=0;
125 static const char *video_rc_override_string=NULL;
126 static int video_disable = 0;
127 static int video_discard = 0;
128 static char *video_codec_name = NULL;
129 static int video_codec_tag = 0;
130 static int same_quality = 0;
131 static int do_deinterlace = 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 = INT64_MAX;
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]);
394 av_free(intra_matrix);
395 av_free(inter_matrix);
399 av_free(vstats_filename);
403 av_free(video_codec_name);
404 av_free(audio_codec_name);
405 av_free(subtitle_codec_name);
407 av_free(video_standard);
409 #ifdef CONFIG_POWERPC_PERF
410 extern void powerpc_display_perf_report(void);
411 powerpc_display_perf_report();
412 #endif /* CONFIG_POWERPC_PERF */
414 if (received_sigterm) {
416 "Received signal %d: terminating.\n",
417 (int) received_sigterm);
421 exit(ret); /* not all OS-es handle main() return value */
425 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
431 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
434 /* copy stream format */
435 s->nb_streams = ic->nb_streams;
436 for(i=0;i<ic->nb_streams;i++) {
439 // FIXME: a more elegant solution is needed
440 st = av_mallocz(sizeof(AVStream));
441 memcpy(st, ic->streams[i], sizeof(AVStream));
442 st->codec = avcodec_alloc_context();
443 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
446 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
448 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
451 if(!st->codec->thread_count)
452 st->codec->thread_count = 1;
453 if(st->codec->thread_count>1)
454 avcodec_thread_init(st->codec, st->codec->thread_count);
456 if(st->codec->flags & CODEC_FLAG_BITEXACT)
461 s->timestamp = av_gettime();
463 av_close_input_file(ic);
468 get_sync_ipts(const AVOutputStream *ost)
470 const AVInputStream *ist = ost->sync_ist;
471 return (double)(ist->pts - start_time)/AV_TIME_BASE;
474 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
478 AVPacket new_pkt= *pkt;
479 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
480 &new_pkt.data, &new_pkt.size,
481 pkt->data, pkt->size,
482 pkt->flags & PKT_FLAG_KEY);
485 new_pkt.destruct= av_destruct_packet;
487 fprintf(stderr, "%s failed for stream %d, codec %s",
488 bsfc->filter->name, pkt->stream_index,
489 avctx->codec ? avctx->codec->name : "copy");
497 ret= av_interleaved_write_frame(s, pkt);
499 print_error("av_interleaved_write_frame()", ret);
504 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
506 static void do_audio_out(AVFormatContext *s,
509 unsigned char *buf, int size)
512 static uint8_t *audio_buf = NULL;
513 static uint8_t *audio_out = NULL;
514 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
516 int size_out, frame_bytes, ret;
517 AVCodecContext *enc= ost->st->codec;
518 AVCodecContext *dec= ist->st->codec;
520 /* SC: dynamic allocation of buffers */
522 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
524 audio_out = av_malloc(audio_out_size);
525 if (!audio_buf || !audio_out)
526 return; /* Should signal an error ! */
528 if (enc->channels != dec->channels)
529 ost->audio_resample = 1;
531 if (ost->audio_resample && !ost->resample) {
532 ost->resample = audio_resample_init(enc->channels, dec->channels,
533 enc->sample_rate, dec->sample_rate);
534 if (!ost->resample) {
535 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
536 dec->channels, dec->sample_rate,
537 enc->channels, enc->sample_rate);
542 if(audio_sync_method){
543 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
544 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
545 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
546 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
548 //FIXME resample delay
549 if(fabs(delta) > 50){
550 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
552 byte_delta= FFMAX(byte_delta, -size);
556 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
561 static uint8_t *input_tmp= NULL;
562 input_tmp= av_realloc(input_tmp, byte_delta + size);
564 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
567 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
569 memset(input_tmp, 0, byte_delta);
570 memcpy(input_tmp + byte_delta, buf, size);
574 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
576 }else if(audio_sync_method>1){
577 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
578 assert(ost->audio_resample);
580 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
581 // 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));
582 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
586 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
587 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
589 if (ost->audio_resample) {
591 size_out = audio_resample(ost->resample,
592 (short *)buftmp, (short *)buf,
593 size / (ist->st->codec->channels * 2));
594 size_out = size_out * enc->channels * 2;
600 /* now encode as many frames as possible */
601 if (enc->frame_size > 1) {
602 /* output resampled raw samples */
603 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out);
604 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
606 frame_bytes = enc->frame_size * 2 * enc->channels;
608 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
610 av_init_packet(&pkt);
612 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
614 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
616 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
619 pkt.stream_index= ost->index;
622 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
623 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
624 pkt.flags |= PKT_FLAG_KEY;
625 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
627 ost->sync_opts += enc->frame_size;
631 av_init_packet(&pkt);
633 ost->sync_opts += size_out / (2 * enc->channels);
635 /* output a pcm frame */
636 /* XXX: change encoding codec API to avoid this ? */
637 switch(enc->codec->id) {
638 case CODEC_ID_PCM_S32LE:
639 case CODEC_ID_PCM_S32BE:
640 case CODEC_ID_PCM_U32LE:
641 case CODEC_ID_PCM_U32BE:
642 case CODEC_ID_PCM_F32BE:
643 size_out = size_out << 1;
645 case CODEC_ID_PCM_S24LE:
646 case CODEC_ID_PCM_S24BE:
647 case CODEC_ID_PCM_U24LE:
648 case CODEC_ID_PCM_U24BE:
649 case CODEC_ID_PCM_S24DAUD:
650 size_out = size_out / 2 * 3;
652 case CODEC_ID_PCM_S16LE:
653 case CODEC_ID_PCM_S16BE:
654 case CODEC_ID_PCM_U16LE:
655 case CODEC_ID_PCM_U16BE:
658 size_out = size_out >> 1;
661 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
662 ret = avcodec_encode_audio(enc, audio_out, size_out,
665 pkt.stream_index= ost->index;
668 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
669 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
670 pkt.flags |= PKT_FLAG_KEY;
671 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
675 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
679 AVPicture picture_tmp;
682 dec = ist->st->codec;
684 /* deinterlace : must be done before any resize */
685 if (do_deinterlace || using_vhook) {
688 /* create temporary picture */
689 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
690 buf = av_malloc(size);
694 picture2 = &picture_tmp;
695 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
698 if(avpicture_deinterlace(picture2, picture,
699 dec->pix_fmt, dec->width, dec->height) < 0) {
700 /* if error, do not deinterlace */
706 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
713 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
714 1000000 * ist->pts / AV_TIME_BASE);
716 if (picture != picture2)
717 *picture = *picture2;
721 /* we begin to correct av delay at this threshold */
722 #define AV_DELAY_MAX 0.100
724 static void do_subtitle_out(AVFormatContext *s,
730 static uint8_t *subtitle_out = NULL;
731 int subtitle_out_max_size = 65536;
732 int subtitle_out_size, nb, i;
736 if (pts == AV_NOPTS_VALUE) {
737 fprintf(stderr, "Subtitle packets must have a pts\n");
741 enc = ost->st->codec;
744 subtitle_out = av_malloc(subtitle_out_max_size);
747 /* Note: DVB subtitle need one packet to draw them and one other
748 packet to clear them */
749 /* XXX: signal it in the codec context ? */
750 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
755 for(i = 0; i < nb; i++) {
756 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
757 subtitle_out_max_size, sub);
759 av_init_packet(&pkt);
760 pkt.stream_index = ost->index;
761 pkt.data = subtitle_out;
762 pkt.size = subtitle_out_size;
763 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
764 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
765 /* XXX: the pts correction is handled here. Maybe handling
766 it in the codec would be better */
768 pkt.pts += 90 * sub->start_display_time;
770 pkt.pts += 90 * sub->end_display_time;
772 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
776 static int bit_buffer_size= 1024*256;
777 static uint8_t *bit_buffer= NULL;
779 static void do_video_out(AVFormatContext *s,
785 int nb_frames, i, ret;
786 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
787 AVFrame picture_crop_temp, picture_pad_temp;
788 AVCodecContext *enc, *dec;
790 avcodec_get_frame_defaults(&picture_crop_temp);
791 avcodec_get_frame_defaults(&picture_pad_temp);
793 enc = ost->st->codec;
794 dec = ist->st->codec;
796 /* by default, we output a single frame */
801 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
803 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
804 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
807 else if (video_sync_method == 2)
808 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
809 else if (vdelta > 1.1)
810 nb_frames = lrintf(vdelta);
811 //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);
815 fprintf(stderr, "*** drop!\n");
816 }else if (nb_frames > 1) {
817 nb_frames_dup += nb_frames;
819 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
822 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
824 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
828 if (ost->video_crop) {
829 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
830 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
833 formatted_picture = &picture_crop_temp;
835 formatted_picture = in_picture;
838 final_picture = formatted_picture;
839 padding_src = formatted_picture;
840 resampling_dst = &ost->pict_tmp;
841 if (ost->video_pad) {
842 final_picture = &ost->pict_tmp;
843 if (ost->video_resample) {
844 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
845 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
848 resampling_dst = &picture_pad_temp;
852 if (ost->video_resample) {
854 final_picture = &ost->pict_tmp;
855 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
856 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
859 if (ost->video_pad) {
860 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
861 enc->height, enc->width, enc->pix_fmt,
862 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
865 /* duplicates frame if needed */
866 for(i=0;i<nb_frames;i++) {
868 av_init_packet(&pkt);
869 pkt.stream_index= ost->index;
871 if (s->oformat->flags & AVFMT_RAWPICTURE) {
872 /* raw pictures are written as AVPicture structure to
873 avoid any copies. We support temorarily the older
875 AVFrame* old_frame = enc->coded_frame;
876 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
877 pkt.data= (uint8_t *)final_picture;
878 pkt.size= sizeof(AVPicture);
879 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
880 pkt.flags |= PKT_FLAG_KEY;
882 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
883 enc->coded_frame = old_frame;
887 big_picture= *final_picture;
888 /* better than nothing: use input picture interlaced
890 big_picture.interlaced_frame = in_picture->interlaced_frame;
891 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
892 if(top_field_first == -1)
893 big_picture.top_field_first = in_picture->top_field_first;
895 big_picture.top_field_first = top_field_first;
898 /* handles sameq here. This is not correct because it may
899 not be a global option */
901 big_picture.quality = ist->st->quality;
903 big_picture.quality = ost->st->quality;
905 big_picture.pict_type = 0;
906 // big_picture.pts = AV_NOPTS_VALUE;
907 big_picture.pts= ost->sync_opts;
908 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
909 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
910 ret = avcodec_encode_video(enc,
911 bit_buffer, bit_buffer_size,
914 fprintf(stderr, "Video encoding failed\n");
917 //enc->frame_number = enc->real_pict_num;
919 pkt.data= bit_buffer;
921 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
922 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
923 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
924 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
925 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
927 if(enc->coded_frame->key_frame)
928 pkt.flags |= PKT_FLAG_KEY;
929 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
932 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
933 // enc->frame_number-1, enc->real_pict_num, ret,
935 /* if two pass, output log */
936 if (ost->logfile && enc->stats_out) {
937 fprintf(ost->logfile, "%s", enc->stats_out);
946 static double psnr(double d){
947 return -10.0*log(d)/log(10.0);
950 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
955 double ti1, bitrate, avg_bitrate;
957 /* this is executed just the first time do_video_stats is called */
959 vstats_file = fopen(vstats_filename, "w");
966 enc = ost->st->codec;
967 if (enc->codec_type == CODEC_TYPE_VIDEO) {
968 frame_number = ost->frame_number;
969 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
970 if (enc->flags&CODEC_FLAG_PSNR)
971 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
973 fprintf(vstats_file,"f_size= %6d ", frame_size);
974 /* compute pts value */
975 ti1 = ost->sync_opts * av_q2d(enc->time_base);
979 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
980 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
981 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
982 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
983 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
987 static void print_report(AVFormatContext **output_files,
988 AVOutputStream **ost_table, int nb_ostreams,
993 AVFormatContext *oc, *os;
996 int frame_number, vid, i;
997 double bitrate, ti1, pts;
998 static int64_t last_time = -1;
999 static int qp_histogram[52];
1001 if (!is_last_report) {
1003 /* display the report every 0.5 seconds */
1004 cur_time = av_gettime();
1005 if (last_time == -1) {
1006 last_time = cur_time;
1009 if ((cur_time - last_time) < 500000)
1011 last_time = cur_time;
1015 oc = output_files[0];
1017 total_size = url_fsize(oc->pb);
1018 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1019 total_size= url_ftell(oc->pb);
1024 for(i=0;i<nb_ostreams;i++) {
1026 os = output_files[ost->file_index];
1027 enc = ost->st->codec;
1028 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1029 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1030 !ost->st->stream_copy ?
1031 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1033 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1034 float t = (av_gettime()-timer_start) / 1000000.0;
1036 frame_number = ost->frame_number;
1037 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1038 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1039 !ost->st->stream_copy ?
1040 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1042 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1045 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1046 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1049 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1051 if (enc->flags&CODEC_FLAG_PSNR){
1053 double error, error_sum=0;
1054 double scale, scale_sum=0;
1055 char type[3]= {'Y','U','V'};
1056 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1059 error= enc->error[j];
1060 scale= enc->width*enc->height*255.0*255.0*frame_number;
1062 error= enc->coded_frame->error[j];
1063 scale= enc->width*enc->height*255.0*255.0;
1068 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1070 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1074 /* compute min output value */
1075 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1076 if ((pts < ti1) && (pts > 0))
1082 if (verbose || is_last_report) {
1083 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1085 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1086 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1087 (double)total_size / 1024, ti1, bitrate);
1090 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1091 nb_frames_dup, nb_frames_drop);
1094 fprintf(stderr, "%s \r", buf);
1099 if (is_last_report && verbose >= 0){
1100 int64_t raw= audio_size + video_size + extra_size;
1101 fprintf(stderr, "\n");
1102 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1106 100.0*(total_size - raw)/raw
1111 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1112 static int output_packet(AVInputStream *ist, int ist_index,
1113 AVOutputStream **ost_table, int nb_ostreams,
1114 const AVPacket *pkt)
1116 AVFormatContext *os;
1117 AVOutputStream *ost;
1121 int data_size, got_picture;
1123 void *buffer_to_free;
1124 static unsigned int samples_size= 0;
1125 static short *samples= NULL;
1126 AVSubtitle subtitle, *subtitle_to_free;
1129 if(ist->next_pts == AV_NOPTS_VALUE)
1130 ist->next_pts= ist->pts;
1139 if(pkt->dts != AV_NOPTS_VALUE)
1140 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1145 //while we have more to decode or while the decoder did output something on EOF
1146 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1148 ist->pts= ist->next_pts;
1150 if(len && len != pkt->size && verbose>0)
1151 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1153 /* decode the packet if needed */
1154 data_buf = NULL; /* fail safe */
1156 subtitle_to_free = NULL;
1157 if (ist->decoding_needed) {
1158 switch(ist->st->codec->codec_type) {
1159 case CODEC_TYPE_AUDIO:{
1161 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1162 data_size= samples_size;
1163 /* XXX: could avoid copy if PCM 16 bits with same
1164 endianness as CPU */
1165 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1171 /* Some bug in mpeg audio decoder gives */
1172 /* data_size < 0, it seems they are overflows */
1173 if (data_size <= 0) {
1174 /* no audio frame */
1177 data_buf = (uint8_t *)samples;
1178 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1179 (ist->st->codec->sample_rate * ist->st->codec->channels);
1181 case CODEC_TYPE_VIDEO:
1182 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1183 /* XXX: allocate picture correctly */
1184 avcodec_get_frame_defaults(&picture);
1186 ret = avcodec_decode_video(ist->st->codec,
1187 &picture, &got_picture, ptr, len);
1188 ist->st->quality= picture.quality;
1192 /* no picture yet */
1193 goto discard_packet;
1195 if (ist->st->codec->time_base.num != 0) {
1196 ist->next_pts += ((int64_t)AV_TIME_BASE *
1197 ist->st->codec->time_base.num) /
1198 ist->st->codec->time_base.den;
1202 case CODEC_TYPE_SUBTITLE:
1203 ret = avcodec_decode_subtitle(ist->st->codec,
1204 &subtitle, &got_subtitle, ptr, len);
1207 if (!got_subtitle) {
1208 goto discard_packet;
1210 subtitle_to_free = &subtitle;
1217 switch(ist->st->codec->codec_type) {
1218 case CODEC_TYPE_AUDIO:
1219 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1220 ist->st->codec->sample_rate;
1222 case CODEC_TYPE_VIDEO:
1223 if (ist->st->codec->time_base.num != 0) {
1224 ist->next_pts += ((int64_t)AV_TIME_BASE *
1225 ist->st->codec->time_base.num) /
1226 ist->st->codec->time_base.den;
1236 buffer_to_free = NULL;
1237 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1238 pre_process_video_frame(ist, (AVPicture *)&picture,
1242 // preprocess audio (volume)
1243 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1244 if (audio_volume != 256) {
1247 for(i=0;i<(data_size / sizeof(short));i++) {
1248 int v = ((*volp) * audio_volume + 128) >> 8;
1249 if (v < -32768) v = -32768;
1250 if (v > 32767) v = 32767;
1256 /* frame rate emulation */
1257 if (ist->st->codec->rate_emu) {
1258 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1259 int64_t now = av_gettime() - ist->start;
1267 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1268 is the one of the next displayed one */
1269 /* XXX: add mpeg4 too ? */
1270 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1271 if (ist->st->codec->pict_type != B_TYPE) {
1273 tmp = ist->last_ip_pts;
1274 ist->last_ip_pts = ist->frac_pts.val;
1275 ist->frac_pts.val = tmp;
1279 /* if output time reached then transcode raw format,
1280 encode packets and output them */
1281 if (start_time == 0 || ist->pts >= start_time)
1282 for(i=0;i<nb_ostreams;i++) {
1286 if (ost->source_index == ist_index) {
1287 os = output_files[ost->file_index];
1290 printf("%d: got pts=%0.3f %0.3f\n", i,
1291 (double)pkt->pts / AV_TIME_BASE,
1292 ((double)ist->pts / AV_TIME_BASE) -
1293 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1295 /* set the input output pts pairs */
1296 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1298 if (ost->encoding_needed) {
1299 switch(ost->st->codec->codec_type) {
1300 case CODEC_TYPE_AUDIO:
1301 do_audio_out(os, ost, ist, data_buf, data_size);
1303 case CODEC_TYPE_VIDEO:
1304 do_video_out(os, ost, ist, &picture, &frame_size);
1305 if (vstats_filename && frame_size)
1306 do_video_stats(os, ost, frame_size);
1308 case CODEC_TYPE_SUBTITLE:
1309 do_subtitle_out(os, ost, ist, &subtitle,
1316 AVFrame avframe; //FIXME/XXX remove this
1318 av_init_packet(&opkt);
1320 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1323 /* no reencoding needed : output the packet directly */
1324 /* force the input stream PTS */
1326 avcodec_get_frame_defaults(&avframe);
1327 ost->st->codec->coded_frame= &avframe;
1328 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1330 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1331 audio_size += data_size;
1332 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1333 video_size += data_size;
1337 opkt.stream_index= ost->index;
1338 if(pkt->pts != AV_NOPTS_VALUE)
1339 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1341 opkt.pts= AV_NOPTS_VALUE;
1343 if (pkt->dts == AV_NOPTS_VALUE)
1344 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1346 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1348 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1349 opkt.flags= pkt->flags;
1351 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1352 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1353 opkt.destruct= av_destruct_packet;
1355 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1356 ost->st->codec->frame_number++;
1357 ost->frame_number++;
1358 av_free_packet(&opkt);
1362 av_free(buffer_to_free);
1363 /* XXX: allocate the subtitles in the codec ? */
1364 if (subtitle_to_free) {
1365 if (subtitle_to_free->rects != NULL) {
1366 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1367 av_free(subtitle_to_free->rects[i].bitmap);
1368 av_free(subtitle_to_free->rects[i].rgba_palette);
1370 av_freep(&subtitle_to_free->rects);
1372 subtitle_to_free->num_rects = 0;
1373 subtitle_to_free = NULL;
1380 for(i=0;i<nb_ostreams;i++) {
1382 if (ost->source_index == ist_index) {
1383 AVCodecContext *enc= ost->st->codec;
1384 os = output_files[ost->file_index];
1386 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1388 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1391 if (ost->encoding_needed) {
1395 av_init_packet(&pkt);
1396 pkt.stream_index= ost->index;
1398 switch(ost->st->codec->codec_type) {
1399 case CODEC_TYPE_AUDIO:
1400 fifo_bytes = av_fifo_size(&ost->fifo);
1402 /* encode any samples remaining in fifo */
1403 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1404 int fs_tmp = enc->frame_size;
1405 enc->frame_size = fifo_bytes / (2 * enc->channels);
1406 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1407 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1408 enc->frame_size = fs_tmp;
1411 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1414 pkt.flags |= PKT_FLAG_KEY;
1416 case CODEC_TYPE_VIDEO:
1417 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1419 if(enc->coded_frame && enc->coded_frame->key_frame)
1420 pkt.flags |= PKT_FLAG_KEY;
1421 if (ost->logfile && enc->stats_out) {
1422 fprintf(ost->logfile, "%s", enc->stats_out);
1431 pkt.data= bit_buffer;
1433 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1434 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1435 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1447 static void print_sdp(AVFormatContext **avc, int n)
1451 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1452 printf("SDP:\n%s\n", sdp);
1455 static int stream_index_from_inputs(AVFormatContext **input_files,
1457 AVInputFile *file_table,
1458 AVInputStream **ist_table,
1459 enum CodecType type,
1463 for(z=0; z<nb_input_files; z++) {
1464 AVFormatContext *ic = input_files[z];
1465 for(p=0; p<ic->nb_programs; p++) {
1466 AVProgram *program = ic->programs[p];
1467 if(program->id != programid)
1469 for(q=0; q<program->nb_stream_indexes; q++) {
1470 int sidx = program->stream_index[q];
1471 int ris = file_table[z].ist_index + sidx;
1472 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1482 * The following code is the main loop of the file converter
1484 static int av_encode(AVFormatContext **output_files,
1485 int nb_output_files,
1486 AVFormatContext **input_files,
1488 AVStreamMap *stream_maps, int nb_stream_maps)
1490 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1491 AVFormatContext *is, *os;
1492 AVCodecContext *codec, *icodec;
1493 AVOutputStream *ost, **ost_table = NULL;
1494 AVInputStream *ist, **ist_table = NULL;
1495 AVInputFile *file_table;
1499 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1503 /* input stream init */
1505 for(i=0;i<nb_input_files;i++) {
1506 is = input_files[i];
1507 file_table[i].ist_index = j;
1508 file_table[i].nb_streams = is->nb_streams;
1509 j += is->nb_streams;
1513 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1517 for(i=0;i<nb_istreams;i++) {
1518 ist = av_mallocz(sizeof(AVInputStream));
1524 for(i=0;i<nb_input_files;i++) {
1525 is = input_files[i];
1526 for(k=0;k<is->nb_streams;k++) {
1527 ist = ist_table[j++];
1528 ist->st = is->streams[k];
1529 ist->file_index = i;
1531 ist->discard = 1; /* the stream is discarded by default
1534 if (ist->st->codec->rate_emu) {
1535 ist->start = av_gettime();
1541 /* output stream init */
1543 for(i=0;i<nb_output_files;i++) {
1544 os = output_files[i];
1545 if (!os->nb_streams) {
1546 fprintf(stderr, "Output file does not contain any stream\n");
1549 nb_ostreams += os->nb_streams;
1551 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1552 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1556 /* Sanity check the mapping args -- do the input files & streams exist? */
1557 for(i=0;i<nb_stream_maps;i++) {
1558 int fi = stream_maps[i].file_index;
1559 int si = stream_maps[i].stream_index;
1561 if (fi < 0 || fi > nb_input_files - 1 ||
1562 si < 0 || si > file_table[fi].nb_streams - 1) {
1563 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1566 fi = stream_maps[i].sync_file_index;
1567 si = stream_maps[i].sync_stream_index;
1568 if (fi < 0 || fi > nb_input_files - 1 ||
1569 si < 0 || si > file_table[fi].nb_streams - 1) {
1570 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1575 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1578 for(i=0;i<nb_ostreams;i++) {
1579 ost = av_mallocz(sizeof(AVOutputStream));
1586 for(k=0;k<nb_output_files;k++) {
1587 os = output_files[k];
1588 for(i=0;i<os->nb_streams;i++) {
1590 ost = ost_table[n++];
1591 ost->file_index = k;
1593 ost->st = os->streams[i];
1594 if (nb_stream_maps > 0) {
1595 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1596 stream_maps[n-1].stream_index;
1598 /* Sanity check that the stream types match */
1599 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1600 int i= ost->file_index;
1601 dump_format(output_files[i], i, output_files[i]->filename, 1);
1602 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1603 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1604 ost->file_index, ost->index);
1611 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1613 ost->source_index = j;
1617 /* get corresponding input stream index : we select the first one with the right type */
1619 for(j=0;j<nb_istreams;j++) {
1622 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1623 ost->source_index = j;
1631 if(! opt_programid) {
1632 /* try again and reuse existing stream */
1633 for(j=0;j<nb_istreams;j++) {
1635 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1636 ost->source_index = j;
1642 int i= ost->file_index;
1643 dump_format(output_files[i], i, output_files[i]->filename, 1);
1644 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1645 ost->file_index, ost->index);
1650 ist = ist_table[ost->source_index];
1652 ost->sync_ist = (nb_stream_maps > 0) ?
1653 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1654 stream_maps[n-1].sync_stream_index] : ist;
1658 /* for each output stream, we compute the right encoding parameters */
1659 for(i=0;i<nb_ostreams;i++) {
1661 os = output_files[ost->file_index];
1662 ist = ist_table[ost->source_index];
1664 codec = ost->st->codec;
1665 icodec = ist->st->codec;
1667 if (!ost->st->language[0])
1668 av_strlcpy(ost->st->language, ist->st->language,
1669 sizeof(ost->st->language));
1671 ost->st->disposition = ist->st->disposition;
1673 if (ost->st->stream_copy) {
1674 /* if stream_copy is selected, no need to decode or encode */
1675 codec->codec_id = icodec->codec_id;
1676 codec->codec_type = icodec->codec_type;
1678 if(!codec->codec_tag){
1679 if( !os->oformat->codec_tag
1680 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1681 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1682 codec->codec_tag = icodec->codec_tag;
1685 codec->bit_rate = icodec->bit_rate;
1686 codec->extradata= icodec->extradata;
1687 codec->extradata_size= icodec->extradata_size;
1688 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1689 codec->time_base = icodec->time_base;
1691 codec->time_base = ist->st->time_base;
1692 switch(codec->codec_type) {
1693 case CODEC_TYPE_AUDIO:
1694 if(audio_volume != 256) {
1695 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1698 codec->sample_rate = icodec->sample_rate;
1699 codec->channels = icodec->channels;
1700 codec->frame_size = icodec->frame_size;
1701 codec->block_align= icodec->block_align;
1702 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1703 codec->block_align= 0;
1704 if(codec->codec_id == CODEC_ID_AC3)
1705 codec->block_align= 0;
1707 case CODEC_TYPE_VIDEO:
1709 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1712 codec->pix_fmt = icodec->pix_fmt;
1713 codec->width = icodec->width;
1714 codec->height = icodec->height;
1715 codec->has_b_frames = icodec->has_b_frames;
1717 case CODEC_TYPE_SUBTITLE:
1723 switch(codec->codec_type) {
1724 case CODEC_TYPE_AUDIO:
1725 if (av_fifo_init(&ost->fifo, 1024))
1727 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1728 icodec->request_channels = codec->channels;
1729 ist->decoding_needed = 1;
1730 ost->encoding_needed = 1;
1732 case CODEC_TYPE_VIDEO:
1733 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1734 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1735 ost->video_resample = ((codec->width != icodec->width -
1736 (frame_leftBand + frame_rightBand) +
1737 (frame_padleft + frame_padright)) ||
1738 (codec->height != icodec->height -
1739 (frame_topBand + frame_bottomBand) +
1740 (frame_padtop + frame_padbottom)) ||
1741 (codec->pix_fmt != icodec->pix_fmt));
1742 if (ost->video_crop) {
1743 ost->topBand = frame_topBand;
1744 ost->leftBand = frame_leftBand;
1746 if (ost->video_pad) {
1747 ost->padtop = frame_padtop;
1748 ost->padleft = frame_padleft;
1749 ost->padbottom = frame_padbottom;
1750 ost->padright = frame_padright;
1751 if (!ost->video_resample) {
1752 avcodec_get_frame_defaults(&ost->pict_tmp);
1753 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1754 codec->width, codec->height))
1758 if (ost->video_resample) {
1759 avcodec_get_frame_defaults(&ost->pict_tmp);
1760 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1761 codec->width, codec->height)) {
1762 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1765 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1766 ost->img_resample_ctx = sws_getContext(
1767 icodec->width - (frame_leftBand + frame_rightBand),
1768 icodec->height - (frame_topBand + frame_bottomBand),
1770 codec->width - (frame_padleft + frame_padright),
1771 codec->height - (frame_padtop + frame_padbottom),
1773 sws_flags, NULL, NULL, NULL);
1774 if (ost->img_resample_ctx == NULL) {
1775 fprintf(stderr, "Cannot get resampling context\n");
1778 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1780 ost->encoding_needed = 1;
1781 ist->decoding_needed = 1;
1783 case CODEC_TYPE_SUBTITLE:
1784 ost->encoding_needed = 1;
1785 ist->decoding_needed = 1;
1792 if (ost->encoding_needed &&
1793 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1794 char logfilename[1024];
1799 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1801 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1802 if (codec->flags & CODEC_FLAG_PASS1) {
1803 f = fopen(logfilename, "w");
1805 perror(logfilename);
1810 /* read the log file */
1811 f = fopen(logfilename, "r");
1813 perror(logfilename);
1816 fseek(f, 0, SEEK_END);
1818 fseek(f, 0, SEEK_SET);
1819 logbuffer = av_malloc(size + 1);
1821 fprintf(stderr, "Could not allocate log buffer\n");
1824 size = fread(logbuffer, 1, size, f);
1826 logbuffer[size] = '\0';
1827 codec->stats_in = logbuffer;
1831 if(codec->codec_type == CODEC_TYPE_VIDEO){
1832 int size= codec->width * codec->height;
1833 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1838 bit_buffer = av_malloc(bit_buffer_size);
1842 /* dump the file output parameters - cannot be done before in case
1844 for(i=0;i<nb_output_files;i++) {
1845 dump_format(output_files[i], i, output_files[i]->filename, 1);
1848 /* dump the stream mapping */
1850 fprintf(stderr, "Stream mapping:\n");
1851 for(i=0;i<nb_ostreams;i++) {
1853 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1854 ist_table[ost->source_index]->file_index,
1855 ist_table[ost->source_index]->index,
1858 if (ost->sync_ist != ist_table[ost->source_index])
1859 fprintf(stderr, " [sync #%d.%d]",
1860 ost->sync_ist->file_index,
1861 ost->sync_ist->index);
1862 fprintf(stderr, "\n");
1866 /* open each encoder */
1867 for(i=0;i<nb_ostreams;i++) {
1869 if (ost->encoding_needed) {
1871 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1873 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1874 ost->file_index, ost->index);
1877 if (avcodec_open(ost->st->codec, codec) < 0) {
1878 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1879 ost->file_index, ost->index);
1882 extra_size += ost->st->codec->extradata_size;
1886 /* open each decoder */
1887 for(i=0;i<nb_istreams;i++) {
1889 if (ist->decoding_needed) {
1891 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1893 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1894 ist->st->codec->codec_id, ist->file_index, ist->index);
1897 if (avcodec_open(ist->st->codec, codec) < 0) {
1898 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1899 ist->file_index, ist->index);
1902 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1903 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1908 for(i=0;i<nb_istreams;i++) {
1910 is = input_files[ist->file_index];
1912 ist->next_pts = AV_NOPTS_VALUE;
1916 /* set meta data information from input file if required */
1917 for (i=0;i<nb_meta_data_maps;i++) {
1918 AVFormatContext *out_file;
1919 AVFormatContext *in_file;
1921 int out_file_index = meta_data_maps[i].out_file;
1922 int in_file_index = meta_data_maps[i].in_file;
1923 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1924 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1925 ret = AVERROR(EINVAL);
1928 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1929 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1930 ret = AVERROR(EINVAL);
1934 out_file = output_files[out_file_index];
1935 in_file = input_files[in_file_index];
1937 strcpy(out_file->title, in_file->title);
1938 strcpy(out_file->author, in_file->author);
1939 strcpy(out_file->copyright, in_file->copyright);
1940 strcpy(out_file->comment, in_file->comment);
1941 strcpy(out_file->album, in_file->album);
1942 out_file->year = in_file->year;
1943 out_file->track = in_file->track;
1944 strcpy(out_file->genre, in_file->genre);
1947 /* open files and write file headers */
1948 for(i=0;i<nb_output_files;i++) {
1949 os = output_files[i];
1950 if (av_write_header(os) < 0) {
1951 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1952 ret = AVERROR(EINVAL);
1955 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1960 print_sdp(output_files, nb_output_files);
1963 if (!using_stdin && verbose >= 0) {
1964 fprintf(stderr, "Press [q] to stop encoding\n");
1965 url_set_interrupt_cb(decode_interrupt_cb);
1970 timer_start = av_gettime();
1972 for(; received_sigterm == 0;) {
1973 int file_index, ist_index;
1981 /* if 'q' pressed, exits */
1985 /* read_key() returns 0 on EOF */
1991 /* select the stream that we must read now by looking at the
1992 smallest output pts */
1994 for(i=0;i<nb_ostreams;i++) {
1997 os = output_files[ost->file_index];
1998 ist = ist_table[ost->source_index];
1999 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2000 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2002 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2003 ipts = (double)ist->pts;
2004 if (!file_table[ist->file_index].eof_reached){
2005 if(ipts < ipts_min) {
2007 if(input_sync ) file_index = ist->file_index;
2009 if(opts < opts_min) {
2011 if(!input_sync) file_index = ist->file_index;
2014 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2019 /* if none, if is finished */
2020 if (file_index < 0) {
2024 /* finish if recording time exhausted */
2025 if (opts_min >= (recording_time / 1000000.0))
2028 /* finish if limit size exhausted */
2029 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2032 /* read a frame from it and output it in the fifo */
2033 is = input_files[file_index];
2034 if (av_read_frame(is, &pkt) < 0) {
2035 file_table[file_index].eof_reached = 1;
2043 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2045 /* the following test is needed in case new streams appear
2046 dynamically in stream : we ignore them */
2047 if (pkt.stream_index >= file_table[file_index].nb_streams)
2048 goto discard_packet;
2049 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2050 ist = ist_table[ist_index];
2052 goto discard_packet;
2054 if (pkt.dts != AV_NOPTS_VALUE)
2055 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2056 if (pkt.pts != AV_NOPTS_VALUE)
2057 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2059 if(input_files_ts_scale[file_index][pkt.stream_index]){
2060 if(pkt.pts != AV_NOPTS_VALUE)
2061 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2062 if(pkt.dts != AV_NOPTS_VALUE)
2063 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2066 // 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);
2067 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2068 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2069 int64_t delta= pkt_dts - ist->next_pts;
2070 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2071 input_files_ts_offset[ist->file_index]-= delta;
2073 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2074 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2075 if(pkt.pts != AV_NOPTS_VALUE)
2076 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2080 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2081 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2084 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2085 ist->file_index, ist->index);
2087 av_free_packet(&pkt);
2092 av_free_packet(&pkt);
2094 /* dump report by using the output first video and audio streams */
2095 print_report(output_files, ost_table, nb_ostreams, 0);
2098 /* at the end of stream, we must flush the decoder buffers */
2099 for(i=0;i<nb_istreams;i++) {
2101 if (ist->decoding_needed) {
2102 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2108 /* write the trailer if needed and close file */
2109 for(i=0;i<nb_output_files;i++) {
2110 os = output_files[i];
2111 av_write_trailer(os);
2114 /* dump report by using the first video and audio streams */
2115 print_report(output_files, ost_table, nb_ostreams, 1);
2117 /* close each encoder */
2118 for(i=0;i<nb_ostreams;i++) {
2120 if (ost->encoding_needed) {
2121 av_freep(&ost->st->codec->stats_in);
2122 avcodec_close(ost->st->codec);
2126 /* close each decoder */
2127 for(i=0;i<nb_istreams;i++) {
2129 if (ist->decoding_needed) {
2130 avcodec_close(ist->st->codec);
2138 av_freep(&bit_buffer);
2139 av_free(file_table);
2142 for(i=0;i<nb_istreams;i++) {
2149 for(i=0;i<nb_ostreams;i++) {
2153 fclose(ost->logfile);
2154 ost->logfile = NULL;
2156 av_fifo_free(&ost->fifo); /* works even if fifo is not
2157 initialized but set to zero */
2158 av_free(ost->pict_tmp.data[0]);
2159 if (ost->video_resample)
2160 sws_freeContext(ost->img_resample_ctx);
2162 audio_resample_close(ost->resample);
2170 ret = AVERROR(ENOMEM);
2175 int file_read(const char *filename)
2178 unsigned char buffer[1024];
2181 if (url_open(&h, filename, O_RDONLY) < 0) {
2182 printf("could not open '%s'\n", filename);
2186 len = url_read(h, buffer, sizeof(buffer));
2189 for(i=0;i<len;i++) putchar(buffer[i]);
2196 static void opt_format(const char *arg)
2198 /* compatibility stuff for pgmyuv */
2199 if (!strcmp(arg, "pgmyuv")) {
2200 pgmyuv_compatibility_hack=1;
2201 // opt_image_format(arg);
2203 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2206 file_iformat = av_find_input_format(arg);
2207 file_oformat = guess_format(arg, NULL, NULL);
2208 if (!file_iformat && !file_oformat) {
2209 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2214 static int opt_default(const char *opt, const char *arg){
2216 const AVOption *o= NULL;
2217 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2219 for(type=0; type<CODEC_TYPE_NB; type++){
2220 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2222 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2225 o = av_set_string2(avformat_opts, opt, arg, 1);
2227 o = av_set_string2(sws_opts, opt, arg, 1);
2230 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2231 else if(opt[0] == 'v')
2232 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2233 else if(opt[0] == 's')
2234 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2239 // 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));
2241 //FIXME we should always use avctx_opts, ... for storing options so there will not be any need to keep track of what i set over this
2242 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2243 opt_names[opt_name_count++]= o->name;
2245 if(avctx_opts[0]->debug || avformat_opts->debug)
2246 av_log_set_level(AV_LOG_DEBUG);
2250 static void opt_video_rc_override_string(const char *arg)
2252 video_rc_override_string = arg;
2255 static int opt_me_threshold(const char *opt, const char *arg)
2257 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2261 static int opt_verbose(const char *opt, const char *arg)
2263 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2264 av_log_set_level(verbose);
2268 static void opt_frame_rate(const char *arg)
2270 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2271 fprintf(stderr, "Incorrect frame rate\n");
2276 static int opt_bitrate(const char *opt, const char *arg)
2278 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2280 opt_default(opt, arg);
2282 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2283 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2288 static void opt_frame_crop_top(const char *arg)
2290 frame_topBand = atoi(arg);
2291 if (frame_topBand < 0) {
2292 fprintf(stderr, "Incorrect top crop size\n");
2295 if ((frame_topBand % 2) != 0) {
2296 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2299 if ((frame_topBand) >= frame_height){
2300 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2303 frame_height -= frame_topBand;
2306 static void opt_frame_crop_bottom(const char *arg)
2308 frame_bottomBand = atoi(arg);
2309 if (frame_bottomBand < 0) {
2310 fprintf(stderr, "Incorrect bottom crop size\n");
2313 if ((frame_bottomBand % 2) != 0) {
2314 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2317 if ((frame_bottomBand) >= frame_height){
2318 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2321 frame_height -= frame_bottomBand;
2324 static void opt_frame_crop_left(const char *arg)
2326 frame_leftBand = atoi(arg);
2327 if (frame_leftBand < 0) {
2328 fprintf(stderr, "Incorrect left crop size\n");
2331 if ((frame_leftBand % 2) != 0) {
2332 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2335 if ((frame_leftBand) >= frame_width){
2336 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2339 frame_width -= frame_leftBand;
2342 static void opt_frame_crop_right(const char *arg)
2344 frame_rightBand = atoi(arg);
2345 if (frame_rightBand < 0) {
2346 fprintf(stderr, "Incorrect right crop size\n");
2349 if ((frame_rightBand % 2) != 0) {
2350 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2353 if ((frame_rightBand) >= frame_width){
2354 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2357 frame_width -= frame_rightBand;
2360 static void opt_frame_size(const char *arg)
2362 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2363 fprintf(stderr, "Incorrect frame size\n");
2366 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2367 fprintf(stderr, "Frame size must be a multiple of 2\n");
2373 #define SCALEBITS 10
2374 #define ONE_HALF (1 << (SCALEBITS - 1))
2375 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2377 #define RGB_TO_Y(r, g, b) \
2378 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2379 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2381 #define RGB_TO_U(r1, g1, b1, shift)\
2382 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2383 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2385 #define RGB_TO_V(r1, g1, b1, shift)\
2386 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2387 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2389 static void opt_pad_color(const char *arg) {
2390 /* Input is expected to be six hex digits similar to
2391 how colors are expressed in html tags (but without the #) */
2392 int rgb = strtol(arg, NULL, 16);
2396 g = ((rgb >> 8) & 255);
2399 padcolor[0] = RGB_TO_Y(r,g,b);
2400 padcolor[1] = RGB_TO_U(r,g,b,0);
2401 padcolor[2] = RGB_TO_V(r,g,b,0);
2404 static void opt_frame_pad_top(const char *arg)
2406 frame_padtop = atoi(arg);
2407 if (frame_padtop < 0) {
2408 fprintf(stderr, "Incorrect top pad size\n");
2411 if ((frame_padtop % 2) != 0) {
2412 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2417 static void opt_frame_pad_bottom(const char *arg)
2419 frame_padbottom = atoi(arg);
2420 if (frame_padbottom < 0) {
2421 fprintf(stderr, "Incorrect bottom pad size\n");
2424 if ((frame_padbottom % 2) != 0) {
2425 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2431 static void opt_frame_pad_left(const char *arg)
2433 frame_padleft = atoi(arg);
2434 if (frame_padleft < 0) {
2435 fprintf(stderr, "Incorrect left pad size\n");
2438 if ((frame_padleft % 2) != 0) {
2439 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2445 static void opt_frame_pad_right(const char *arg)
2447 frame_padright = atoi(arg);
2448 if (frame_padright < 0) {
2449 fprintf(stderr, "Incorrect right pad size\n");
2452 if ((frame_padright % 2) != 0) {
2453 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2458 static void list_pix_fmts(void)
2461 char pix_fmt_str[128];
2462 for (i=-1; i < PIX_FMT_NB; i++) {
2463 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2464 fprintf(stdout, "%s\n", pix_fmt_str);
2468 static void opt_frame_pix_fmt(const char *arg)
2470 if (strcmp(arg, "list"))
2471 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2478 static void opt_frame_aspect_ratio(const char *arg)
2485 p = strchr(arg, ':');
2487 x = strtol(arg, &end, 10);
2489 y = strtol(end+1, &end, 10);
2491 ar = (double)x / (double)y;
2493 ar = strtod(arg, NULL);
2496 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2499 frame_aspect_ratio = ar;
2502 static void opt_qscale(const char *arg)
2504 video_qscale = atof(arg);
2505 if (video_qscale <= 0 ||
2506 video_qscale > 255) {
2507 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2512 static void opt_top_field_first(const char *arg)
2514 top_field_first= atoi(arg);
2517 static int opt_thread_count(const char *opt, const char *arg)
2519 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2520 #if !defined(HAVE_THREADS)
2522 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2527 static int opt_audio_rate(const char *opt, const char *arg)
2529 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2533 static int opt_audio_channels(const char *opt, const char *arg)
2535 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2539 static void opt_video_channel(const char *arg)
2541 video_channel = strtol(arg, NULL, 0);
2544 static void opt_video_standard(const char *arg)
2546 video_standard = av_strdup(arg);
2549 static void opt_codec(int *pstream_copy, char **pcodec_name,
2550 int codec_type, const char *arg)
2552 av_freep(pcodec_name);
2553 if (!strcmp(arg, "copy")) {
2556 *pcodec_name = av_strdup(arg);
2560 static void opt_audio_codec(const char *arg)
2562 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2565 static void opt_audio_tag(const char *arg)
2568 audio_codec_tag= strtol(arg, &tail, 0);
2571 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2574 static void opt_video_tag(const char *arg)
2577 video_codec_tag= strtol(arg, &tail, 0);
2580 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2584 static void add_frame_hooker(const char *arg)
2589 char *args = av_strdup(arg);
2593 argv[0] = strtok(args, " ");
2594 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2597 i = frame_hook_add(argc, argv);
2600 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2606 static void opt_video_codec(const char *arg)
2608 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2611 static void opt_subtitle_codec(const char *arg)
2613 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2616 static void opt_map(const char *arg)
2621 m = &stream_maps[nb_stream_maps++];
2623 m->file_index = strtol(arg, &p, 0);
2627 m->stream_index = strtol(p, &p, 0);
2630 m->sync_file_index = strtol(p, &p, 0);
2633 m->sync_stream_index = strtol(p, &p, 0);
2635 m->sync_file_index = m->file_index;
2636 m->sync_stream_index = m->stream_index;
2640 static void opt_map_meta_data(const char *arg)
2645 m = &meta_data_maps[nb_meta_data_maps++];
2647 m->out_file = strtol(arg, &p, 0);
2651 m->in_file = strtol(p, &p, 0);
2654 static void opt_input_ts_scale(const char *arg)
2656 unsigned int stream;
2660 stream = strtol(arg, &p, 0);
2663 scale= strtod(p, &p);
2665 if(stream >= MAX_STREAMS)
2668 input_files_ts_scale[nb_input_files][stream]= scale;
2671 static int opt_recording_time(const char *opt, const char *arg)
2673 recording_time = parse_time_or_die(opt, arg, 1);
2677 static int opt_start_time(const char *opt, const char *arg)
2679 start_time = parse_time_or_die(opt, arg, 1);
2683 static int opt_rec_timestamp(const char *opt, const char *arg)
2685 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2689 static int opt_input_ts_offset(const char *opt, const char *arg)
2691 input_ts_offset = parse_time_or_die(opt, arg, 1);
2695 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2697 const char *codec_string = encoder ? "encoder" : "decoder";
2701 return CODEC_ID_NONE;
2703 avcodec_find_encoder_by_name(name) :
2704 avcodec_find_decoder_by_name(name);
2706 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2709 if(codec->type != type) {
2710 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2716 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2719 for(i=0; i<opt_name_count; i++){
2721 const AVOption *opt;
2722 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2723 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2724 if(str && ((opt->flags & flags) == flags))
2725 av_set_string2(ctx, opt_names[i], str, 1);
2729 static void opt_input_file(const char *filename)
2731 AVFormatContext *ic;
2732 AVFormatParameters params, *ap = ¶ms;
2733 int err, i, ret, rfps, rfps_base;
2736 if (!strcmp(filename, "-"))
2739 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2740 !strcmp(filename, "/dev/stdin");
2742 /* get default parameters from command line */
2743 ic = av_alloc_format_context();
2745 memset(ap, 0, sizeof(*ap));
2746 ap->prealloced_context = 1;
2747 ap->sample_rate = audio_sample_rate;
2748 ap->channels = audio_channels;
2749 ap->time_base.den = frame_rate.num;
2750 ap->time_base.num = frame_rate.den;
2751 ap->width = frame_width + frame_padleft + frame_padright;
2752 ap->height = frame_height + frame_padtop + frame_padbottom;
2753 ap->pix_fmt = frame_pix_fmt;
2754 ap->channel = video_channel;
2755 ap->standard = video_standard;
2756 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2757 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2758 if(pgmyuv_compatibility_hack)
2759 ap->video_codec_id= CODEC_ID_PGMYUV;
2761 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2763 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2764 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2765 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2767 /* open the input file with generic libav function */
2768 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2770 print_error(filename, err);
2775 for(i=0; i<ic->nb_programs; i++)
2776 if(ic->programs[i]->id != opt_programid)
2777 ic->programs[i]->discard = AVDISCARD_ALL;
2780 ic->loop_input = loop_input;
2782 /* If not enough info to get the stream parameters, we decode the
2783 first frames to get it. (used in mpeg case for example) */
2784 ret = av_find_stream_info(ic);
2785 if (ret < 0 && verbose >= 0) {
2786 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2790 timestamp = start_time;
2791 /* add the stream start time */
2792 if (ic->start_time != AV_NOPTS_VALUE)
2793 timestamp += ic->start_time;
2795 /* if seeking requested, we execute it */
2796 if (start_time != 0) {
2797 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2799 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2800 filename, (double)timestamp / AV_TIME_BASE);
2802 /* reset seek info */
2806 /* update the current parameters so that they match the one of the input stream */
2807 for(i=0;i<ic->nb_streams;i++) {
2808 AVCodecContext *enc = ic->streams[i]->codec;
2810 avcodec_thread_init(enc, thread_count);
2811 enc->thread_count= thread_count;
2812 switch(enc->codec_type) {
2813 case CODEC_TYPE_AUDIO:
2814 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2815 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2816 audio_channels = enc->channels;
2817 audio_sample_rate = enc->sample_rate;
2819 ic->streams[i]->discard= AVDISCARD_ALL;
2821 case CODEC_TYPE_VIDEO:
2822 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2823 frame_height = enc->height;
2824 frame_width = enc->width;
2825 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2826 frame_pix_fmt = enc->pix_fmt;
2827 rfps = ic->streams[i]->r_frame_rate.num;
2828 rfps_base = ic->streams[i]->r_frame_rate.den;
2829 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2831 enc->debug |= FF_DEBUG_MV;
2833 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2836 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2837 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2839 (float)rfps / rfps_base, rfps, rfps_base);
2841 /* update the current frame rate to match the stream frame rate */
2842 frame_rate.num = rfps;
2843 frame_rate.den = rfps_base;
2845 enc->rate_emu = rate_emu;
2847 ic->streams[i]->discard= AVDISCARD_ALL;
2848 else if(video_discard)
2849 ic->streams[i]->discard= video_discard;
2851 case CODEC_TYPE_DATA:
2853 case CODEC_TYPE_SUBTITLE:
2854 if(subtitle_disable)
2855 ic->streams[i]->discard = AVDISCARD_ALL;
2857 case CODEC_TYPE_ATTACHMENT:
2858 case CODEC_TYPE_UNKNOWN:
2865 input_files[nb_input_files] = ic;
2866 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2867 /* dump the file content */
2869 dump_format(ic, nb_input_files, filename, 0);
2872 file_iformat = NULL;
2873 file_oformat = NULL;
2878 av_freep(&video_codec_name);
2879 av_freep(&audio_codec_name);
2880 av_freep(&subtitle_codec_name);
2883 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2884 int *has_subtitle_ptr)
2886 int has_video, has_audio, has_subtitle, i, j;
2887 AVFormatContext *ic;
2892 for(j=0;j<nb_input_files;j++) {
2893 ic = input_files[j];
2894 for(i=0;i<ic->nb_streams;i++) {
2895 AVCodecContext *enc = ic->streams[i]->codec;
2896 switch(enc->codec_type) {
2897 case CODEC_TYPE_AUDIO:
2900 case CODEC_TYPE_VIDEO:
2903 case CODEC_TYPE_SUBTITLE:
2906 case CODEC_TYPE_DATA:
2907 case CODEC_TYPE_ATTACHMENT:
2908 case CODEC_TYPE_UNKNOWN:
2915 *has_video_ptr = has_video;
2916 *has_audio_ptr = has_audio;
2917 *has_subtitle_ptr = has_subtitle;
2920 static void new_video_stream(AVFormatContext *oc)
2923 AVCodecContext *video_enc;
2926 st = av_new_stream(oc, oc->nb_streams);
2928 fprintf(stderr, "Could not alloc stream\n");
2931 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2932 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2933 video_bitstream_filters= NULL;
2936 avcodec_thread_init(st->codec, thread_count);
2938 video_enc = st->codec;
2941 video_enc->codec_tag= video_codec_tag;
2943 if( (video_global_header&1)
2944 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2945 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2946 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2948 if(video_global_header&2){
2949 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2950 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2953 if (video_stream_copy) {
2954 st->stream_copy = 1;
2955 video_enc->codec_type = CODEC_TYPE_VIDEO;
2960 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2962 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2963 if (video_codec_name)
2964 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2966 video_enc->codec_id = codec_id;
2967 codec = avcodec_find_encoder(codec_id);
2969 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
2971 video_enc->time_base.den = fps.num;
2972 video_enc->time_base.num = fps.den;
2973 if(codec && codec->supported_framerates){
2974 const AVRational *p= codec->supported_framerates;
2975 const AVRational *best=NULL;
2976 AVRational best_error= (AVRational){INT_MAX, 1};
2977 for(; p->den!=0; p++){
2978 AVRational error= av_sub_q(fps, *p);
2979 if(error.num <0) error.num *= -1;
2980 if(av_cmp_q(error, best_error) < 0){
2985 video_enc->time_base.den= best->num;
2986 video_enc->time_base.num= best->den;
2989 video_enc->width = frame_width + frame_padright + frame_padleft;
2990 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2991 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2992 video_enc->pix_fmt = frame_pix_fmt;
2994 if(codec && codec->pix_fmts){
2995 const enum PixelFormat *p= codec->pix_fmts;
2997 if(*p == video_enc->pix_fmt)
3001 video_enc->pix_fmt = codec->pix_fmts[0];
3005 video_enc->gop_size = 0;
3006 if (video_qscale || same_quality) {
3007 video_enc->flags |= CODEC_FLAG_QSCALE;
3008 video_enc->global_quality=
3009 st->quality = FF_QP2LAMBDA * video_qscale;
3013 video_enc->intra_matrix = intra_matrix;
3015 video_enc->inter_matrix = inter_matrix;
3017 video_enc->thread_count = thread_count;
3018 p= video_rc_override_string;
3021 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3023 fprintf(stderr, "error parsing rc_override\n");
3026 video_enc->rc_override=
3027 av_realloc(video_enc->rc_override,
3028 sizeof(RcOverride)*(i+1));
3029 video_enc->rc_override[i].start_frame= start;
3030 video_enc->rc_override[i].end_frame = end;
3032 video_enc->rc_override[i].qscale= q;
3033 video_enc->rc_override[i].quality_factor= 1.0;
3036 video_enc->rc_override[i].qscale= 0;
3037 video_enc->rc_override[i].quality_factor= -q/100.0;
3042 video_enc->rc_override_count=i;
3043 if (!video_enc->rc_initial_buffer_occupancy)
3044 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3045 video_enc->me_threshold= me_threshold;
3046 video_enc->intra_dc_precision= intra_dc_precision - 8;
3049 video_enc->flags|= CODEC_FLAG_PSNR;
3054 video_enc->flags |= CODEC_FLAG_PASS1;
3056 video_enc->flags |= CODEC_FLAG_PASS2;
3061 /* reset some key parameters */
3063 av_freep(&video_codec_name);
3064 video_stream_copy = 0;
3067 static void new_audio_stream(AVFormatContext *oc)
3070 AVCodecContext *audio_enc;
3073 st = av_new_stream(oc, oc->nb_streams);
3075 fprintf(stderr, "Could not alloc stream\n");
3078 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3080 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3081 audio_bitstream_filters= NULL;
3084 avcodec_thread_init(st->codec, thread_count);
3086 audio_enc = st->codec;
3087 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3090 audio_enc->codec_tag= audio_codec_tag;
3092 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3093 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3094 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3096 if (audio_stream_copy) {
3097 st->stream_copy = 1;
3098 audio_enc->channels = audio_channels;
3100 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3102 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3104 if (audio_codec_name)
3105 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3106 audio_enc->codec_id = codec_id;
3108 if (audio_qscale > QSCALE_NONE) {
3109 audio_enc->flags |= CODEC_FLAG_QSCALE;
3110 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3112 audio_enc->thread_count = thread_count;
3113 audio_enc->channels = audio_channels;
3115 audio_enc->sample_rate = audio_sample_rate;
3116 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3117 if (audio_language) {
3118 av_strlcpy(st->language, audio_language, sizeof(st->language));
3119 av_free(audio_language);
3120 audio_language = NULL;
3123 /* reset some key parameters */
3125 av_freep(&audio_codec_name);
3126 audio_stream_copy = 0;
3129 static void new_subtitle_stream(AVFormatContext *oc)
3132 AVCodecContext *subtitle_enc;
3134 st = av_new_stream(oc, oc->nb_streams);
3136 fprintf(stderr, "Could not alloc stream\n");
3139 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3141 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3142 subtitle_bitstream_filters= NULL;
3144 subtitle_enc = st->codec;
3145 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3146 if (subtitle_stream_copy) {
3147 st->stream_copy = 1;
3149 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3150 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3153 if (subtitle_language) {
3154 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3155 av_free(subtitle_language);
3156 subtitle_language = NULL;
3159 subtitle_disable = 0;
3160 av_freep(&subtitle_codec_name);
3161 subtitle_stream_copy = 0;
3164 static void opt_new_audio_stream(void)
3166 AVFormatContext *oc;
3167 if (nb_output_files <= 0) {
3168 fprintf(stderr, "At least one output file must be specified\n");
3171 oc = output_files[nb_output_files - 1];
3172 new_audio_stream(oc);
3175 static void opt_new_video_stream(void)
3177 AVFormatContext *oc;
3178 if (nb_output_files <= 0) {
3179 fprintf(stderr, "At least one output file must be specified\n");
3182 oc = output_files[nb_output_files - 1];
3183 new_video_stream(oc);
3186 static void opt_new_subtitle_stream(void)
3188 AVFormatContext *oc;
3189 if (nb_output_files <= 0) {
3190 fprintf(stderr, "At least one output file must be specified\n");
3193 oc = output_files[nb_output_files - 1];
3194 new_subtitle_stream(oc);
3197 static void opt_output_file(const char *filename)
3199 AVFormatContext *oc;
3200 int use_video, use_audio, use_subtitle;
3201 int input_has_video, input_has_audio, input_has_subtitle;
3202 AVFormatParameters params, *ap = ¶ms;
3204 if (!strcmp(filename, "-"))
3207 oc = av_alloc_format_context();
3209 if (!file_oformat) {
3210 file_oformat = guess_format(NULL, filename, NULL);
3211 if (!file_oformat) {
3212 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3218 oc->oformat = file_oformat;
3219 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3221 if (!strcmp(file_oformat->name, "ffm") &&
3222 av_strstart(filename, "http:", NULL)) {
3223 /* special case for files sent to ffserver: we get the stream
3224 parameters from ffserver */
3225 int err = read_ffserver_streams(oc, filename);
3227 print_error(filename, err);
3231 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3232 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3233 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3235 /* disable if no corresponding type found and at least one
3237 if (nb_input_files > 0) {
3238 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3239 &input_has_subtitle);
3240 if (!input_has_video)
3242 if (!input_has_audio)
3244 if (!input_has_subtitle)
3248 /* manual disable */
3249 if (audio_disable) {
3252 if (video_disable) {
3255 if (subtitle_disable) {
3260 new_video_stream(oc);
3264 new_audio_stream(oc);
3268 new_subtitle_stream(oc);
3271 oc->timestamp = rec_timestamp;
3274 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3276 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3278 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3280 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3282 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3284 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3287 output_files[nb_output_files++] = oc;
3289 /* check filename in case of an image number is expected */
3290 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3291 if (!av_filename_number_test(oc->filename)) {
3292 print_error(oc->filename, AVERROR_NUMEXPECTED);
3297 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3298 /* test if it already exists to avoid loosing precious files */
3299 if (!file_overwrite &&
3300 (strchr(filename, ':') == NULL ||
3301 filename[1] == ':' ||
3302 av_strstart(filename, "file:", NULL))) {
3303 if (url_exist(filename)) {
3307 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3310 if (toupper(c) != 'Y') {
3311 fprintf(stderr, "Not overwriting - exiting\n");
3316 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3323 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3324 fprintf(stderr, "Could not open '%s'\n", filename);
3329 memset(ap, 0, sizeof(*ap));
3330 if (av_set_parameters(oc, ap) < 0) {
3331 fprintf(stderr, "%s: Invalid encoding parameters\n",
3336 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3337 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3338 oc->loop_output = loop_output;
3340 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3342 /* reset some options */
3343 file_oformat = NULL;
3344 file_iformat = NULL;
3347 /* same option as mencoder */
3348 static void opt_pass(const char *pass_str)
3351 pass = atoi(pass_str);
3352 if (pass != 1 && pass != 2) {
3353 fprintf(stderr, "pass number can be only 1 or 2\n");
3359 static int64_t getutime(void)
3361 #ifdef HAVE_GETRUSAGE
3362 struct rusage rusage;
3364 getrusage(RUSAGE_SELF, &rusage);
3365 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3366 #elif defined(HAVE_GETPROCESSTIMES)
3368 FILETIME c, e, k, u;
3369 proc = GetCurrentProcess();
3370 GetProcessTimes(proc, &c, &e, &k, &u);
3371 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3373 return av_gettime();
3377 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3380 const char *p = str;
3387 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3394 static void opt_inter_matrix(const char *arg)
3396 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3397 parse_matrix_coeffs(inter_matrix, arg);
3400 static void opt_intra_matrix(const char *arg)
3402 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3403 parse_matrix_coeffs(intra_matrix, arg);
3407 * Trivial log callback.
3408 * Only suitable for show_help and similar since it lacks prefix handling.
3410 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3412 vfprintf(stdout, fmt, vl);
3415 static void show_help(void)
3417 av_log_set_callback(log_callback_help);
3418 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3419 "Hyper fast Audio and Video encoder\n");
3421 show_help_options(options, "Main options:\n",
3422 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3423 show_help_options(options, "\nAdvanced options:\n",
3424 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3426 show_help_options(options, "\nVideo options:\n",
3427 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3429 show_help_options(options, "\nAdvanced Video options:\n",
3430 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3431 OPT_VIDEO | OPT_EXPERT);
3432 show_help_options(options, "\nAudio options:\n",
3433 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3435 show_help_options(options, "\nAdvanced Audio options:\n",
3436 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3437 OPT_AUDIO | OPT_EXPERT);
3438 show_help_options(options, "\nSubtitle options:\n",
3439 OPT_SUBTITLE | OPT_GRAB,
3441 show_help_options(options, "\nAudio/Video grab options:\n",
3445 av_opt_show(avctx_opts[0], NULL);
3447 av_opt_show(avformat_opts, NULL);
3449 av_opt_show(sws_opts, NULL);
3452 static void opt_target(const char *arg)
3455 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3457 if(!strncmp(arg, "pal-", 4)) {
3460 } else if(!strncmp(arg, "ntsc-", 5)) {
3463 } else if(!strncmp(arg, "film-", 5)) {
3468 /* Calculate FR via float to avoid int overflow */
3469 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3472 } else if((fr == 29970) || (fr == 23976)) {
3475 /* Try to determine PAL/NTSC by peeking in the input files */
3476 if(nb_input_files) {
3478 for(j = 0; j < nb_input_files; j++) {
3479 for(i = 0; i < input_files[j]->nb_streams; i++) {
3480 AVCodecContext *c = input_files[j]->streams[i]->codec;
3481 if(c->codec_type != CODEC_TYPE_VIDEO)
3483 fr = c->time_base.den * 1000 / c->time_base.num;
3487 } else if((fr == 29970) || (fr == 23976)) {
3497 if(verbose && norm >= 0)
3498 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3502 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3503 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3504 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3508 if(!strcmp(arg, "vcd")) {
3510 opt_video_codec("mpeg1video");
3511 opt_audio_codec("mp2");
3514 opt_frame_size(norm ? "352x240" : "352x288");
3515 opt_frame_rate(frame_rates[norm]);
3516 opt_default("gop", norm ? "18" : "15");
3518 opt_default("b", "1150000");
3519 opt_default("maxrate", "1150000");
3520 opt_default("minrate", "1150000");
3521 opt_default("bufsize", "327680"); // 40*1024*8;
3523 opt_default("ab", "224000");
3524 audio_sample_rate = 44100;
3527 opt_default("packetsize", "2324");
3528 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3530 /* We have to offset the PTS, so that it is consistent with the SCR.
3531 SCR starts at 36000, but the first two packs contain only padding
3532 and the first pack from the other stream, respectively, may also have
3533 been written before.
3534 So the real data starts at SCR 36000+3*1200. */
3535 mux_preload= (36000+3*1200) / 90000.0; //0.44
3536 } else if(!strcmp(arg, "svcd")) {
3538 opt_video_codec("mpeg2video");
3539 opt_audio_codec("mp2");
3542 opt_frame_size(norm ? "480x480" : "480x576");
3543 opt_frame_rate(frame_rates[norm]);
3544 opt_default("gop", norm ? "18" : "15");
3546 opt_default("b", "2040000");
3547 opt_default("maxrate", "2516000");
3548 opt_default("minrate", "0"); //1145000;
3549 opt_default("bufsize", "1835008"); //224*1024*8;
3550 opt_default("flags", "+SCAN_OFFSET");
3553 opt_default("ab", "224000");
3554 audio_sample_rate = 44100;
3556 opt_default("packetsize", "2324");
3558 } else if(!strcmp(arg, "dvd")) {
3560 opt_video_codec("mpeg2video");
3561 opt_audio_codec("ac3");
3564 opt_frame_size(norm ? "720x480" : "720x576");
3565 opt_frame_rate(frame_rates[norm]);
3566 opt_default("gop", norm ? "18" : "15");
3568 opt_default("b", "6000000");
3569 opt_default("maxrate", "9000000");
3570 opt_default("minrate", "0"); //1500000;
3571 opt_default("bufsize", "1835008"); //224*1024*8;
3573 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3574 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3576 opt_default("ab", "448000");
3577 audio_sample_rate = 48000;
3579 } else if(!strncmp(arg, "dv", 2)) {
3583 opt_frame_size(norm ? "720x480" : "720x576");
3584 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3585 (norm ? "yuv411p" : "yuv420p"));
3586 opt_frame_rate(frame_rates[norm]);
3588 audio_sample_rate = 48000;
3592 fprintf(stderr, "Unknown target: %s\n", arg);
3597 static void opt_vstats_file (const char *arg)
3599 av_free (vstats_filename);
3600 vstats_filename=av_strdup (arg);
3603 static void opt_vstats (void)
3606 time_t today2 = time(NULL);
3607 struct tm *today = localtime(&today2);
3609 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3611 opt_vstats_file(filename);
3614 static int opt_bsf(const char *opt, const char *arg)
3616 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3617 AVBitStreamFilterContext **bsfp;
3620 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3624 bsfp= *opt == 'v' ? &video_bitstream_filters :
3625 *opt == 'a' ? &audio_bitstream_filters :
3626 &subtitle_bitstream_filters;
3628 bsfp= &(*bsfp)->next;
3635 static int opt_preset(const char *opt, const char *arg)
3638 char tmp[1000], tmp2[1000];
3640 const char *base[3]= { getenv("HOME"),
3645 for(i=!base[0]; i<3 && !f; i++){
3646 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3649 char *codec_name= *opt == 'v' ? video_codec_name :
3650 *opt == 'a' ? audio_codec_name :
3651 subtitle_codec_name;
3652 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3658 fprintf(stderr, "Preset file not found\n");
3663 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3665 fprintf(stderr, "Preset file invalid\n");
3668 if(!strcmp(tmp, "acodec")){
3669 opt_audio_codec(tmp2);
3670 }else if(!strcmp(tmp, "vcodec")){
3671 opt_video_codec(tmp2);
3672 }else if(!strcmp(tmp, "scodec")){
3673 opt_subtitle_codec(tmp2);
3675 opt_default(tmp, tmp2);
3683 static const OptionDef options[] = {
3685 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3686 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3687 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3688 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3689 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3690 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3691 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3692 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3693 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3694 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3695 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3696 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3697 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3698 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3699 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3700 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3701 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3702 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3703 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3704 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3705 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3706 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3707 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3708 "add timings for benchmarking" },
3709 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3710 "dump each input packet" },
3711 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3712 "when dumping packets, also dump the payload" },
3713 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3714 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3715 { "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)", "" },
3716 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3717 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3718 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3719 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3720 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3721 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3722 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3723 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3724 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3725 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3726 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3729 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3730 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3731 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3732 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3733 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3734 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3735 { "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" },
3736 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3737 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3738 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3739 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3740 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3741 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3742 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3743 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3744 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3745 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3746 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3747 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3748 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3749 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3750 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3751 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3752 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3753 "use same video quality as source (implies VBR)" },
3754 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3755 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3756 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3757 "deinterlace pictures" },
3758 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3759 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3760 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3762 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3764 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3765 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3766 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3767 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3768 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3769 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3770 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3773 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3774 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3775 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3776 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3777 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3778 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3779 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3780 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3781 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3782 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3783 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3785 /* subtitle options */
3786 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3787 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3788 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3789 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3792 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3793 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3794 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3797 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3798 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3800 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3801 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3802 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3804 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3805 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3806 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3808 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3812 int main(int argc, char **argv)
3817 avcodec_register_all();
3818 avdevice_register_all();
3821 if(isatty(STDIN_FILENO))
3822 url_set_interrupt_cb(decode_interrupt_cb);
3824 for(i=0; i<CODEC_TYPE_NB; i++){
3825 avctx_opts[i]= avcodec_alloc_context2(i);
3827 avformat_opts = av_alloc_format_context();
3828 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3837 parse_options(argc, argv, options, opt_output_file);
3839 /* file converter / grab */
3840 if (nb_output_files <= 0) {
3841 fprintf(stderr, "Must supply at least one output file\n");
3845 if (nb_input_files == 0) {
3846 fprintf(stderr, "Must supply at least one input file\n");
3851 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3852 stream_maps, nb_stream_maps);
3853 ti = getutime() - ti;
3855 printf("bench: utime=%0.3fs\n", ti / 1000000.0);