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 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1601 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1602 ost->file_index, ost->index);
1609 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1611 ost->source_index = j;
1615 /* get corresponding input stream index : we select the first one with the right type */
1617 for(j=0;j<nb_istreams;j++) {
1620 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1621 ost->source_index = j;
1629 if(! opt_programid) {
1630 /* try again and reuse existing stream */
1631 for(j=0;j<nb_istreams;j++) {
1633 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1634 ost->source_index = j;
1640 int i= ost->file_index;
1641 dump_format(output_files[i], i, output_files[i]->filename, 1);
1642 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1643 ost->file_index, ost->index);
1648 ist = ist_table[ost->source_index];
1650 ost->sync_ist = (nb_stream_maps > 0) ?
1651 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1652 stream_maps[n-1].sync_stream_index] : ist;
1656 /* for each output stream, we compute the right encoding parameters */
1657 for(i=0;i<nb_ostreams;i++) {
1659 os = output_files[ost->file_index];
1660 ist = ist_table[ost->source_index];
1662 codec = ost->st->codec;
1663 icodec = ist->st->codec;
1665 if (!ost->st->language[0])
1666 av_strlcpy(ost->st->language, ist->st->language,
1667 sizeof(ost->st->language));
1669 ost->st->disposition = ist->st->disposition;
1671 if (ost->st->stream_copy) {
1672 /* if stream_copy is selected, no need to decode or encode */
1673 codec->codec_id = icodec->codec_id;
1674 codec->codec_type = icodec->codec_type;
1676 if(!codec->codec_tag){
1677 if( !os->oformat->codec_tag
1678 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1679 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1680 codec->codec_tag = icodec->codec_tag;
1683 codec->bit_rate = icodec->bit_rate;
1684 codec->extradata= icodec->extradata;
1685 codec->extradata_size= icodec->extradata_size;
1686 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1687 codec->time_base = icodec->time_base;
1689 codec->time_base = ist->st->time_base;
1690 switch(codec->codec_type) {
1691 case CODEC_TYPE_AUDIO:
1692 if(audio_volume != 256) {
1693 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1696 codec->sample_rate = icodec->sample_rate;
1697 codec->channels = icodec->channels;
1698 codec->frame_size = icodec->frame_size;
1699 codec->block_align= icodec->block_align;
1700 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1701 codec->block_align= 0;
1702 if(codec->codec_id == CODEC_ID_AC3)
1703 codec->block_align= 0;
1705 case CODEC_TYPE_VIDEO:
1707 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1710 codec->pix_fmt = icodec->pix_fmt;
1711 codec->width = icodec->width;
1712 codec->height = icodec->height;
1713 codec->has_b_frames = icodec->has_b_frames;
1715 case CODEC_TYPE_SUBTITLE:
1721 switch(codec->codec_type) {
1722 case CODEC_TYPE_AUDIO:
1723 if (av_fifo_init(&ost->fifo, 1024))
1725 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1726 icodec->request_channels = codec->channels;
1727 ist->decoding_needed = 1;
1728 ost->encoding_needed = 1;
1730 case CODEC_TYPE_VIDEO:
1731 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1732 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1733 ost->video_resample = ((codec->width != icodec->width -
1734 (frame_leftBand + frame_rightBand) +
1735 (frame_padleft + frame_padright)) ||
1736 (codec->height != icodec->height -
1737 (frame_topBand + frame_bottomBand) +
1738 (frame_padtop + frame_padbottom)) ||
1739 (codec->pix_fmt != icodec->pix_fmt));
1740 if (ost->video_crop) {
1741 ost->topBand = frame_topBand;
1742 ost->leftBand = frame_leftBand;
1744 if (ost->video_pad) {
1745 ost->padtop = frame_padtop;
1746 ost->padleft = frame_padleft;
1747 ost->padbottom = frame_padbottom;
1748 ost->padright = frame_padright;
1749 if (!ost->video_resample) {
1750 avcodec_get_frame_defaults(&ost->pict_tmp);
1751 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1752 codec->width, codec->height))
1756 if (ost->video_resample) {
1757 avcodec_get_frame_defaults(&ost->pict_tmp);
1758 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1759 codec->width, codec->height)) {
1760 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1763 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1764 ost->img_resample_ctx = sws_getContext(
1765 icodec->width - (frame_leftBand + frame_rightBand),
1766 icodec->height - (frame_topBand + frame_bottomBand),
1768 codec->width - (frame_padleft + frame_padright),
1769 codec->height - (frame_padtop + frame_padbottom),
1771 sws_flags, NULL, NULL, NULL);
1772 if (ost->img_resample_ctx == NULL) {
1773 fprintf(stderr, "Cannot get resampling context\n");
1776 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1778 ost->encoding_needed = 1;
1779 ist->decoding_needed = 1;
1781 case CODEC_TYPE_SUBTITLE:
1782 ost->encoding_needed = 1;
1783 ist->decoding_needed = 1;
1790 if (ost->encoding_needed &&
1791 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1792 char logfilename[1024];
1797 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1799 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1800 if (codec->flags & CODEC_FLAG_PASS1) {
1801 f = fopen(logfilename, "w");
1803 perror(logfilename);
1808 /* read the log file */
1809 f = fopen(logfilename, "r");
1811 perror(logfilename);
1814 fseek(f, 0, SEEK_END);
1816 fseek(f, 0, SEEK_SET);
1817 logbuffer = av_malloc(size + 1);
1819 fprintf(stderr, "Could not allocate log buffer\n");
1822 size = fread(logbuffer, 1, size, f);
1824 logbuffer[size] = '\0';
1825 codec->stats_in = logbuffer;
1829 if(codec->codec_type == CODEC_TYPE_VIDEO){
1830 int size= codec->width * codec->height;
1831 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1836 bit_buffer = av_malloc(bit_buffer_size);
1840 /* dump the file output parameters - cannot be done before in case
1842 for(i=0;i<nb_output_files;i++) {
1843 dump_format(output_files[i], i, output_files[i]->filename, 1);
1846 /* dump the stream mapping */
1848 fprintf(stderr, "Stream mapping:\n");
1849 for(i=0;i<nb_ostreams;i++) {
1851 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1852 ist_table[ost->source_index]->file_index,
1853 ist_table[ost->source_index]->index,
1856 if (ost->sync_ist != ist_table[ost->source_index])
1857 fprintf(stderr, " [sync #%d.%d]",
1858 ost->sync_ist->file_index,
1859 ost->sync_ist->index);
1860 fprintf(stderr, "\n");
1864 /* open each encoder */
1865 for(i=0;i<nb_ostreams;i++) {
1867 if (ost->encoding_needed) {
1869 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1871 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1872 ost->file_index, ost->index);
1875 if (avcodec_open(ost->st->codec, codec) < 0) {
1876 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1877 ost->file_index, ost->index);
1880 extra_size += ost->st->codec->extradata_size;
1884 /* open each decoder */
1885 for(i=0;i<nb_istreams;i++) {
1887 if (ist->decoding_needed) {
1889 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1891 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1892 ist->st->codec->codec_id, ist->file_index, ist->index);
1895 if (avcodec_open(ist->st->codec, codec) < 0) {
1896 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1897 ist->file_index, ist->index);
1900 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1901 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1906 for(i=0;i<nb_istreams;i++) {
1908 is = input_files[ist->file_index];
1910 ist->next_pts = AV_NOPTS_VALUE;
1914 /* set meta data information from input file if required */
1915 for (i=0;i<nb_meta_data_maps;i++) {
1916 AVFormatContext *out_file;
1917 AVFormatContext *in_file;
1919 int out_file_index = meta_data_maps[i].out_file;
1920 int in_file_index = meta_data_maps[i].in_file;
1921 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1922 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1923 ret = AVERROR(EINVAL);
1926 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1927 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1928 ret = AVERROR(EINVAL);
1932 out_file = output_files[out_file_index];
1933 in_file = input_files[in_file_index];
1935 strcpy(out_file->title, in_file->title);
1936 strcpy(out_file->author, in_file->author);
1937 strcpy(out_file->copyright, in_file->copyright);
1938 strcpy(out_file->comment, in_file->comment);
1939 strcpy(out_file->album, in_file->album);
1940 out_file->year = in_file->year;
1941 out_file->track = in_file->track;
1942 strcpy(out_file->genre, in_file->genre);
1945 /* open files and write file headers */
1946 for(i=0;i<nb_output_files;i++) {
1947 os = output_files[i];
1948 if (av_write_header(os) < 0) {
1949 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1950 ret = AVERROR(EINVAL);
1953 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1958 print_sdp(output_files, nb_output_files);
1961 if (!using_stdin && verbose >= 0) {
1962 fprintf(stderr, "Press [q] to stop encoding\n");
1963 url_set_interrupt_cb(decode_interrupt_cb);
1968 timer_start = av_gettime();
1970 for(; received_sigterm == 0;) {
1971 int file_index, ist_index;
1979 /* if 'q' pressed, exits */
1983 /* read_key() returns 0 on EOF */
1989 /* select the stream that we must read now by looking at the
1990 smallest output pts */
1992 for(i=0;i<nb_ostreams;i++) {
1995 os = output_files[ost->file_index];
1996 ist = ist_table[ost->source_index];
1997 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1998 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2000 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2001 ipts = (double)ist->pts;
2002 if (!file_table[ist->file_index].eof_reached){
2003 if(ipts < ipts_min) {
2005 if(input_sync ) file_index = ist->file_index;
2007 if(opts < opts_min) {
2009 if(!input_sync) file_index = ist->file_index;
2012 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2017 /* if none, if is finished */
2018 if (file_index < 0) {
2022 /* finish if recording time exhausted */
2023 if (opts_min >= (recording_time / 1000000.0))
2026 /* finish if limit size exhausted */
2027 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2030 /* read a frame from it and output it in the fifo */
2031 is = input_files[file_index];
2032 if (av_read_frame(is, &pkt) < 0) {
2033 file_table[file_index].eof_reached = 1;
2041 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2043 /* the following test is needed in case new streams appear
2044 dynamically in stream : we ignore them */
2045 if (pkt.stream_index >= file_table[file_index].nb_streams)
2046 goto discard_packet;
2047 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2048 ist = ist_table[ist_index];
2050 goto discard_packet;
2052 if (pkt.dts != AV_NOPTS_VALUE)
2053 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2054 if (pkt.pts != AV_NOPTS_VALUE)
2055 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2057 if(input_files_ts_scale[file_index][pkt.stream_index]){
2058 if(pkt.pts != AV_NOPTS_VALUE)
2059 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2060 if(pkt.dts != AV_NOPTS_VALUE)
2061 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2064 // 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);
2065 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2066 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2067 int64_t delta= pkt_dts - ist->next_pts;
2068 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2069 input_files_ts_offset[ist->file_index]-= delta;
2071 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2072 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2073 if(pkt.pts != AV_NOPTS_VALUE)
2074 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2078 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2079 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2082 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2083 ist->file_index, ist->index);
2085 av_free_packet(&pkt);
2090 av_free_packet(&pkt);
2092 /* dump report by using the output first video and audio streams */
2093 print_report(output_files, ost_table, nb_ostreams, 0);
2096 /* at the end of stream, we must flush the decoder buffers */
2097 for(i=0;i<nb_istreams;i++) {
2099 if (ist->decoding_needed) {
2100 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2106 /* write the trailer if needed and close file */
2107 for(i=0;i<nb_output_files;i++) {
2108 os = output_files[i];
2109 av_write_trailer(os);
2112 /* dump report by using the first video and audio streams */
2113 print_report(output_files, ost_table, nb_ostreams, 1);
2115 /* close each encoder */
2116 for(i=0;i<nb_ostreams;i++) {
2118 if (ost->encoding_needed) {
2119 av_freep(&ost->st->codec->stats_in);
2120 avcodec_close(ost->st->codec);
2124 /* close each decoder */
2125 for(i=0;i<nb_istreams;i++) {
2127 if (ist->decoding_needed) {
2128 avcodec_close(ist->st->codec);
2136 av_freep(&bit_buffer);
2137 av_free(file_table);
2140 for(i=0;i<nb_istreams;i++) {
2147 for(i=0;i<nb_ostreams;i++) {
2151 fclose(ost->logfile);
2152 ost->logfile = NULL;
2154 av_fifo_free(&ost->fifo); /* works even if fifo is not
2155 initialized but set to zero */
2156 av_free(ost->pict_tmp.data[0]);
2157 if (ost->video_resample)
2158 sws_freeContext(ost->img_resample_ctx);
2160 audio_resample_close(ost->resample);
2168 ret = AVERROR(ENOMEM);
2173 int file_read(const char *filename)
2176 unsigned char buffer[1024];
2179 if (url_open(&h, filename, O_RDONLY) < 0) {
2180 printf("could not open '%s'\n", filename);
2184 len = url_read(h, buffer, sizeof(buffer));
2187 for(i=0;i<len;i++) putchar(buffer[i]);
2194 static void opt_format(const char *arg)
2196 /* compatibility stuff for pgmyuv */
2197 if (!strcmp(arg, "pgmyuv")) {
2198 pgmyuv_compatibility_hack=1;
2199 // opt_image_format(arg);
2201 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2204 file_iformat = av_find_input_format(arg);
2205 file_oformat = guess_format(arg, NULL, NULL);
2206 if (!file_iformat && !file_oformat) {
2207 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2212 static int opt_default(const char *opt, const char *arg){
2214 const AVOption *o= NULL;
2215 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2217 for(type=0; type<CODEC_TYPE_NB; type++){
2218 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2220 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2223 o = av_set_string2(avformat_opts, opt, arg, 1);
2225 o = av_set_string2(sws_opts, opt, arg, 1);
2228 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2229 else if(opt[0] == 'v')
2230 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2231 else if(opt[0] == 's')
2232 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2237 // 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));
2239 //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
2240 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2241 opt_names[opt_name_count++]= o->name;
2243 if(avctx_opts[0]->debug || avformat_opts->debug)
2244 av_log_set_level(AV_LOG_DEBUG);
2248 static void opt_video_rc_override_string(const char *arg)
2250 video_rc_override_string = arg;
2253 static int opt_me_threshold(const char *opt, const char *arg)
2255 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2259 static int opt_verbose(const char *opt, const char *arg)
2261 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2262 av_log_set_level(verbose);
2266 static void opt_frame_rate(const char *arg)
2268 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2269 fprintf(stderr, "Incorrect frame rate\n");
2274 static int opt_bitrate(const char *opt, const char *arg)
2276 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2278 opt_default(opt, arg);
2280 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2281 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2286 static void opt_frame_crop_top(const char *arg)
2288 frame_topBand = atoi(arg);
2289 if (frame_topBand < 0) {
2290 fprintf(stderr, "Incorrect top crop size\n");
2293 if ((frame_topBand % 2) != 0) {
2294 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2297 if ((frame_topBand) >= frame_height){
2298 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2301 frame_height -= frame_topBand;
2304 static void opt_frame_crop_bottom(const char *arg)
2306 frame_bottomBand = atoi(arg);
2307 if (frame_bottomBand < 0) {
2308 fprintf(stderr, "Incorrect bottom crop size\n");
2311 if ((frame_bottomBand % 2) != 0) {
2312 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2315 if ((frame_bottomBand) >= frame_height){
2316 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2319 frame_height -= frame_bottomBand;
2322 static void opt_frame_crop_left(const char *arg)
2324 frame_leftBand = atoi(arg);
2325 if (frame_leftBand < 0) {
2326 fprintf(stderr, "Incorrect left crop size\n");
2329 if ((frame_leftBand % 2) != 0) {
2330 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2333 if ((frame_leftBand) >= frame_width){
2334 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2337 frame_width -= frame_leftBand;
2340 static void opt_frame_crop_right(const char *arg)
2342 frame_rightBand = atoi(arg);
2343 if (frame_rightBand < 0) {
2344 fprintf(stderr, "Incorrect right crop size\n");
2347 if ((frame_rightBand % 2) != 0) {
2348 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2351 if ((frame_rightBand) >= frame_width){
2352 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2355 frame_width -= frame_rightBand;
2358 static void opt_frame_size(const char *arg)
2360 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2361 fprintf(stderr, "Incorrect frame size\n");
2364 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2365 fprintf(stderr, "Frame size must be a multiple of 2\n");
2371 #define SCALEBITS 10
2372 #define ONE_HALF (1 << (SCALEBITS - 1))
2373 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2375 #define RGB_TO_Y(r, g, b) \
2376 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2377 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2379 #define RGB_TO_U(r1, g1, b1, shift)\
2380 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2381 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2383 #define RGB_TO_V(r1, g1, b1, shift)\
2384 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2385 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2387 static void opt_pad_color(const char *arg) {
2388 /* Input is expected to be six hex digits similar to
2389 how colors are expressed in html tags (but without the #) */
2390 int rgb = strtol(arg, NULL, 16);
2394 g = ((rgb >> 8) & 255);
2397 padcolor[0] = RGB_TO_Y(r,g,b);
2398 padcolor[1] = RGB_TO_U(r,g,b,0);
2399 padcolor[2] = RGB_TO_V(r,g,b,0);
2402 static void opt_frame_pad_top(const char *arg)
2404 frame_padtop = atoi(arg);
2405 if (frame_padtop < 0) {
2406 fprintf(stderr, "Incorrect top pad size\n");
2409 if ((frame_padtop % 2) != 0) {
2410 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2415 static void opt_frame_pad_bottom(const char *arg)
2417 frame_padbottom = atoi(arg);
2418 if (frame_padbottom < 0) {
2419 fprintf(stderr, "Incorrect bottom pad size\n");
2422 if ((frame_padbottom % 2) != 0) {
2423 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2429 static void opt_frame_pad_left(const char *arg)
2431 frame_padleft = atoi(arg);
2432 if (frame_padleft < 0) {
2433 fprintf(stderr, "Incorrect left pad size\n");
2436 if ((frame_padleft % 2) != 0) {
2437 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2443 static void opt_frame_pad_right(const char *arg)
2445 frame_padright = atoi(arg);
2446 if (frame_padright < 0) {
2447 fprintf(stderr, "Incorrect right pad size\n");
2450 if ((frame_padright % 2) != 0) {
2451 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2456 static void list_pix_fmts(void)
2459 char pix_fmt_str[128];
2460 for (i=-1; i < PIX_FMT_NB; i++) {
2461 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2462 fprintf(stdout, "%s\n", pix_fmt_str);
2466 static void opt_frame_pix_fmt(const char *arg)
2468 if (strcmp(arg, "list"))
2469 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2476 static void opt_frame_aspect_ratio(const char *arg)
2483 p = strchr(arg, ':');
2485 x = strtol(arg, &end, 10);
2487 y = strtol(end+1, &end, 10);
2489 ar = (double)x / (double)y;
2491 ar = strtod(arg, NULL);
2494 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2497 frame_aspect_ratio = ar;
2500 static void opt_qscale(const char *arg)
2502 video_qscale = atof(arg);
2503 if (video_qscale <= 0 ||
2504 video_qscale > 255) {
2505 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2510 static void opt_top_field_first(const char *arg)
2512 top_field_first= atoi(arg);
2515 static int opt_thread_count(const char *opt, const char *arg)
2517 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2518 #if !defined(HAVE_THREADS)
2520 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2525 static int opt_audio_rate(const char *opt, const char *arg)
2527 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2531 static int opt_audio_channels(const char *opt, const char *arg)
2533 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2537 static void opt_video_channel(const char *arg)
2539 video_channel = strtol(arg, NULL, 0);
2542 static void opt_video_standard(const char *arg)
2544 video_standard = av_strdup(arg);
2547 static void opt_codec(int *pstream_copy, char **pcodec_name,
2548 int codec_type, const char *arg)
2550 av_freep(pcodec_name);
2551 if (!strcmp(arg, "copy")) {
2554 *pcodec_name = av_strdup(arg);
2558 static void opt_audio_codec(const char *arg)
2560 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2563 static void opt_audio_tag(const char *arg)
2566 audio_codec_tag= strtol(arg, &tail, 0);
2569 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2572 static void opt_video_tag(const char *arg)
2575 video_codec_tag= strtol(arg, &tail, 0);
2578 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2582 static void add_frame_hooker(const char *arg)
2587 char *args = av_strdup(arg);
2591 argv[0] = strtok(args, " ");
2592 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2595 i = frame_hook_add(argc, argv);
2598 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2604 static void opt_video_codec(const char *arg)
2606 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2609 static void opt_subtitle_codec(const char *arg)
2611 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2614 static void opt_map(const char *arg)
2619 m = &stream_maps[nb_stream_maps++];
2621 m->file_index = strtol(arg, &p, 0);
2625 m->stream_index = strtol(p, &p, 0);
2628 m->sync_file_index = strtol(p, &p, 0);
2631 m->sync_stream_index = strtol(p, &p, 0);
2633 m->sync_file_index = m->file_index;
2634 m->sync_stream_index = m->stream_index;
2638 static void opt_map_meta_data(const char *arg)
2643 m = &meta_data_maps[nb_meta_data_maps++];
2645 m->out_file = strtol(arg, &p, 0);
2649 m->in_file = strtol(p, &p, 0);
2652 static void opt_input_ts_scale(const char *arg)
2654 unsigned int stream;
2658 stream = strtol(arg, &p, 0);
2661 scale= strtod(p, &p);
2663 if(stream >= MAX_STREAMS)
2666 input_files_ts_scale[nb_input_files][stream]= scale;
2669 static int opt_recording_time(const char *opt, const char *arg)
2671 recording_time = parse_time_or_die(opt, arg, 1);
2675 static int opt_start_time(const char *opt, const char *arg)
2677 start_time = parse_time_or_die(opt, arg, 1);
2681 static int opt_rec_timestamp(const char *opt, const char *arg)
2683 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2687 static int opt_input_ts_offset(const char *opt, const char *arg)
2689 input_ts_offset = parse_time_or_die(opt, arg, 1);
2693 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2695 const char *codec_string = encoder ? "encoder" : "decoder";
2699 return CODEC_ID_NONE;
2701 avcodec_find_encoder_by_name(name) :
2702 avcodec_find_decoder_by_name(name);
2704 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2707 if(codec->type != type) {
2708 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2714 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2717 for(i=0; i<opt_name_count; i++){
2719 const AVOption *opt;
2720 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2721 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2722 if(str && ((opt->flags & flags) == flags))
2723 av_set_string2(ctx, opt_names[i], str, 1);
2727 static void opt_input_file(const char *filename)
2729 AVFormatContext *ic;
2730 AVFormatParameters params, *ap = ¶ms;
2731 int err, i, ret, rfps, rfps_base;
2734 if (!strcmp(filename, "-"))
2737 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2738 !strcmp(filename, "/dev/stdin");
2740 /* get default parameters from command line */
2741 ic = av_alloc_format_context();
2743 memset(ap, 0, sizeof(*ap));
2744 ap->prealloced_context = 1;
2745 ap->sample_rate = audio_sample_rate;
2746 ap->channels = audio_channels;
2747 ap->time_base.den = frame_rate.num;
2748 ap->time_base.num = frame_rate.den;
2749 ap->width = frame_width + frame_padleft + frame_padright;
2750 ap->height = frame_height + frame_padtop + frame_padbottom;
2751 ap->pix_fmt = frame_pix_fmt;
2752 ap->channel = video_channel;
2753 ap->standard = video_standard;
2754 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2755 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2756 if(pgmyuv_compatibility_hack)
2757 ap->video_codec_id= CODEC_ID_PGMYUV;
2759 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2761 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2762 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2763 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2765 /* open the input file with generic libav function */
2766 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2768 print_error(filename, err);
2773 for(i=0; i<ic->nb_programs; i++)
2774 if(ic->programs[i]->id != opt_programid)
2775 ic->programs[i]->discard = AVDISCARD_ALL;
2778 ic->loop_input = loop_input;
2780 /* If not enough info to get the stream parameters, we decode the
2781 first frames to get it. (used in mpeg case for example) */
2782 ret = av_find_stream_info(ic);
2783 if (ret < 0 && verbose >= 0) {
2784 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2788 timestamp = start_time;
2789 /* add the stream start time */
2790 if (ic->start_time != AV_NOPTS_VALUE)
2791 timestamp += ic->start_time;
2793 /* if seeking requested, we execute it */
2794 if (start_time != 0) {
2795 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2797 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2798 filename, (double)timestamp / AV_TIME_BASE);
2800 /* reset seek info */
2804 /* update the current parameters so that they match the one of the input stream */
2805 for(i=0;i<ic->nb_streams;i++) {
2806 AVCodecContext *enc = ic->streams[i]->codec;
2808 avcodec_thread_init(enc, thread_count);
2809 enc->thread_count= thread_count;
2810 switch(enc->codec_type) {
2811 case CODEC_TYPE_AUDIO:
2812 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2813 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2814 audio_channels = enc->channels;
2815 audio_sample_rate = enc->sample_rate;
2817 ic->streams[i]->discard= AVDISCARD_ALL;
2819 case CODEC_TYPE_VIDEO:
2820 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2821 frame_height = enc->height;
2822 frame_width = enc->width;
2823 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2824 frame_pix_fmt = enc->pix_fmt;
2825 rfps = ic->streams[i]->r_frame_rate.num;
2826 rfps_base = ic->streams[i]->r_frame_rate.den;
2827 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2829 enc->debug |= FF_DEBUG_MV;
2831 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2834 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2835 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2837 (float)rfps / rfps_base, rfps, rfps_base);
2839 /* update the current frame rate to match the stream frame rate */
2840 frame_rate.num = rfps;
2841 frame_rate.den = rfps_base;
2843 enc->rate_emu = rate_emu;
2845 ic->streams[i]->discard= AVDISCARD_ALL;
2846 else if(video_discard)
2847 ic->streams[i]->discard= video_discard;
2849 case CODEC_TYPE_DATA:
2851 case CODEC_TYPE_SUBTITLE:
2852 if(subtitle_disable)
2853 ic->streams[i]->discard = AVDISCARD_ALL;
2855 case CODEC_TYPE_ATTACHMENT:
2856 case CODEC_TYPE_UNKNOWN:
2863 input_files[nb_input_files] = ic;
2864 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2865 /* dump the file content */
2867 dump_format(ic, nb_input_files, filename, 0);
2870 file_iformat = NULL;
2871 file_oformat = NULL;
2876 av_freep(&video_codec_name);
2877 av_freep(&audio_codec_name);
2878 av_freep(&subtitle_codec_name);
2881 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2882 int *has_subtitle_ptr)
2884 int has_video, has_audio, has_subtitle, i, j;
2885 AVFormatContext *ic;
2890 for(j=0;j<nb_input_files;j++) {
2891 ic = input_files[j];
2892 for(i=0;i<ic->nb_streams;i++) {
2893 AVCodecContext *enc = ic->streams[i]->codec;
2894 switch(enc->codec_type) {
2895 case CODEC_TYPE_AUDIO:
2898 case CODEC_TYPE_VIDEO:
2901 case CODEC_TYPE_SUBTITLE:
2904 case CODEC_TYPE_DATA:
2905 case CODEC_TYPE_ATTACHMENT:
2906 case CODEC_TYPE_UNKNOWN:
2913 *has_video_ptr = has_video;
2914 *has_audio_ptr = has_audio;
2915 *has_subtitle_ptr = has_subtitle;
2918 static void new_video_stream(AVFormatContext *oc)
2921 AVCodecContext *video_enc;
2924 st = av_new_stream(oc, oc->nb_streams);
2926 fprintf(stderr, "Could not alloc stream\n");
2929 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2930 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2931 video_bitstream_filters= NULL;
2934 avcodec_thread_init(st->codec, thread_count);
2936 video_enc = st->codec;
2939 video_enc->codec_tag= video_codec_tag;
2941 if( (video_global_header&1)
2942 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2943 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2944 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2946 if(video_global_header&2){
2947 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2948 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2951 if (video_stream_copy) {
2952 st->stream_copy = 1;
2953 video_enc->codec_type = CODEC_TYPE_VIDEO;
2958 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2960 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2961 if (video_codec_name)
2962 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2964 video_enc->codec_id = codec_id;
2965 codec = avcodec_find_encoder(codec_id);
2967 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
2969 video_enc->time_base.den = fps.num;
2970 video_enc->time_base.num = fps.den;
2971 if(codec && codec->supported_framerates){
2972 const AVRational *p= codec->supported_framerates;
2973 const AVRational *best=NULL;
2974 AVRational best_error= (AVRational){INT_MAX, 1};
2975 for(; p->den!=0; p++){
2976 AVRational error= av_sub_q(fps, *p);
2977 if(error.num <0) error.num *= -1;
2978 if(av_cmp_q(error, best_error) < 0){
2983 video_enc->time_base.den= best->num;
2984 video_enc->time_base.num= best->den;
2987 video_enc->width = frame_width + frame_padright + frame_padleft;
2988 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2989 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2990 video_enc->pix_fmt = frame_pix_fmt;
2992 if(codec && codec->pix_fmts){
2993 const enum PixelFormat *p= codec->pix_fmts;
2995 if(*p == video_enc->pix_fmt)
2999 video_enc->pix_fmt = codec->pix_fmts[0];
3003 video_enc->gop_size = 0;
3004 if (video_qscale || same_quality) {
3005 video_enc->flags |= CODEC_FLAG_QSCALE;
3006 video_enc->global_quality=
3007 st->quality = FF_QP2LAMBDA * video_qscale;
3011 video_enc->intra_matrix = intra_matrix;
3013 video_enc->inter_matrix = inter_matrix;
3015 video_enc->thread_count = thread_count;
3016 p= video_rc_override_string;
3019 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3021 fprintf(stderr, "error parsing rc_override\n");
3024 video_enc->rc_override=
3025 av_realloc(video_enc->rc_override,
3026 sizeof(RcOverride)*(i+1));
3027 video_enc->rc_override[i].start_frame= start;
3028 video_enc->rc_override[i].end_frame = end;
3030 video_enc->rc_override[i].qscale= q;
3031 video_enc->rc_override[i].quality_factor= 1.0;
3034 video_enc->rc_override[i].qscale= 0;
3035 video_enc->rc_override[i].quality_factor= -q/100.0;
3040 video_enc->rc_override_count=i;
3041 if (!video_enc->rc_initial_buffer_occupancy)
3042 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3043 video_enc->me_threshold= me_threshold;
3044 video_enc->intra_dc_precision= intra_dc_precision - 8;
3047 video_enc->flags|= CODEC_FLAG_PSNR;
3052 video_enc->flags |= CODEC_FLAG_PASS1;
3054 video_enc->flags |= CODEC_FLAG_PASS2;
3059 /* reset some key parameters */
3061 av_freep(&video_codec_name);
3062 video_stream_copy = 0;
3065 static void new_audio_stream(AVFormatContext *oc)
3068 AVCodecContext *audio_enc;
3071 st = av_new_stream(oc, oc->nb_streams);
3073 fprintf(stderr, "Could not alloc stream\n");
3076 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3078 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3079 audio_bitstream_filters= NULL;
3082 avcodec_thread_init(st->codec, thread_count);
3084 audio_enc = st->codec;
3085 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3088 audio_enc->codec_tag= audio_codec_tag;
3090 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3091 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3092 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3094 if (audio_stream_copy) {
3095 st->stream_copy = 1;
3096 audio_enc->channels = audio_channels;
3098 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3100 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3102 if (audio_codec_name)
3103 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3104 audio_enc->codec_id = codec_id;
3106 if (audio_qscale > QSCALE_NONE) {
3107 audio_enc->flags |= CODEC_FLAG_QSCALE;
3108 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3110 audio_enc->thread_count = thread_count;
3111 audio_enc->channels = audio_channels;
3113 audio_enc->sample_rate = audio_sample_rate;
3114 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3115 if (audio_language) {
3116 av_strlcpy(st->language, audio_language, sizeof(st->language));
3117 av_free(audio_language);
3118 audio_language = NULL;
3121 /* reset some key parameters */
3123 av_freep(&audio_codec_name);
3124 audio_stream_copy = 0;
3127 static void new_subtitle_stream(AVFormatContext *oc)
3130 AVCodecContext *subtitle_enc;
3132 st = av_new_stream(oc, oc->nb_streams);
3134 fprintf(stderr, "Could not alloc stream\n");
3137 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3139 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3140 subtitle_bitstream_filters= NULL;
3142 subtitle_enc = st->codec;
3143 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3144 if (subtitle_stream_copy) {
3145 st->stream_copy = 1;
3147 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3148 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3151 if (subtitle_language) {
3152 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3153 av_free(subtitle_language);
3154 subtitle_language = NULL;
3157 subtitle_disable = 0;
3158 av_freep(&subtitle_codec_name);
3159 subtitle_stream_copy = 0;
3162 static void opt_new_audio_stream(void)
3164 AVFormatContext *oc;
3165 if (nb_output_files <= 0) {
3166 fprintf(stderr, "At least one output file must be specified\n");
3169 oc = output_files[nb_output_files - 1];
3170 new_audio_stream(oc);
3173 static void opt_new_video_stream(void)
3175 AVFormatContext *oc;
3176 if (nb_output_files <= 0) {
3177 fprintf(stderr, "At least one output file must be specified\n");
3180 oc = output_files[nb_output_files - 1];
3181 new_video_stream(oc);
3184 static void opt_new_subtitle_stream(void)
3186 AVFormatContext *oc;
3187 if (nb_output_files <= 0) {
3188 fprintf(stderr, "At least one output file must be specified\n");
3191 oc = output_files[nb_output_files - 1];
3192 new_subtitle_stream(oc);
3195 static void opt_output_file(const char *filename)
3197 AVFormatContext *oc;
3198 int use_video, use_audio, use_subtitle;
3199 int input_has_video, input_has_audio, input_has_subtitle;
3200 AVFormatParameters params, *ap = ¶ms;
3202 if (!strcmp(filename, "-"))
3205 oc = av_alloc_format_context();
3207 if (!file_oformat) {
3208 file_oformat = guess_format(NULL, filename, NULL);
3209 if (!file_oformat) {
3210 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3216 oc->oformat = file_oformat;
3217 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3219 if (!strcmp(file_oformat->name, "ffm") &&
3220 av_strstart(filename, "http:", NULL)) {
3221 /* special case for files sent to ffserver: we get the stream
3222 parameters from ffserver */
3223 int err = read_ffserver_streams(oc, filename);
3225 print_error(filename, err);
3229 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3230 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3231 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3233 /* disable if no corresponding type found and at least one
3235 if (nb_input_files > 0) {
3236 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3237 &input_has_subtitle);
3238 if (!input_has_video)
3240 if (!input_has_audio)
3242 if (!input_has_subtitle)
3246 /* manual disable */
3247 if (audio_disable) {
3250 if (video_disable) {
3253 if (subtitle_disable) {
3258 new_video_stream(oc);
3262 new_audio_stream(oc);
3266 new_subtitle_stream(oc);
3269 oc->timestamp = rec_timestamp;
3272 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3274 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3276 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3278 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3280 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3282 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3285 output_files[nb_output_files++] = oc;
3287 /* check filename in case of an image number is expected */
3288 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3289 if (!av_filename_number_test(oc->filename)) {
3290 print_error(oc->filename, AVERROR_NUMEXPECTED);
3295 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3296 /* test if it already exists to avoid loosing precious files */
3297 if (!file_overwrite &&
3298 (strchr(filename, ':') == NULL ||
3299 filename[1] == ':' ||
3300 av_strstart(filename, "file:", NULL))) {
3301 if (url_exist(filename)) {
3305 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3308 if (toupper(c) != 'Y') {
3309 fprintf(stderr, "Not overwriting - exiting\n");
3314 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3321 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3322 fprintf(stderr, "Could not open '%s'\n", filename);
3327 memset(ap, 0, sizeof(*ap));
3328 if (av_set_parameters(oc, ap) < 0) {
3329 fprintf(stderr, "%s: Invalid encoding parameters\n",
3334 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3335 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3336 oc->loop_output = loop_output;
3338 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3340 /* reset some options */
3341 file_oformat = NULL;
3342 file_iformat = NULL;
3345 /* same option as mencoder */
3346 static void opt_pass(const char *pass_str)
3349 pass = atoi(pass_str);
3350 if (pass != 1 && pass != 2) {
3351 fprintf(stderr, "pass number can be only 1 or 2\n");
3357 static int64_t getutime(void)
3359 #ifdef HAVE_GETRUSAGE
3360 struct rusage rusage;
3362 getrusage(RUSAGE_SELF, &rusage);
3363 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3364 #elif defined(HAVE_GETPROCESSTIMES)
3366 FILETIME c, e, k, u;
3367 proc = GetCurrentProcess();
3368 GetProcessTimes(proc, &c, &e, &k, &u);
3369 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3371 return av_gettime();
3375 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3378 const char *p = str;
3385 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3392 static void opt_inter_matrix(const char *arg)
3394 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3395 parse_matrix_coeffs(inter_matrix, arg);
3398 static void opt_intra_matrix(const char *arg)
3400 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3401 parse_matrix_coeffs(intra_matrix, arg);
3405 * Trivial log callback.
3406 * Only suitable for show_help and similar since it lacks prefix handling.
3408 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3410 vfprintf(stdout, fmt, vl);
3413 static void show_help(void)
3415 av_log_set_callback(log_callback_help);
3416 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3417 "Hyper fast Audio and Video encoder\n");
3419 show_help_options(options, "Main options:\n",
3420 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3421 show_help_options(options, "\nAdvanced options:\n",
3422 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3424 show_help_options(options, "\nVideo options:\n",
3425 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3427 show_help_options(options, "\nAdvanced Video options:\n",
3428 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3429 OPT_VIDEO | OPT_EXPERT);
3430 show_help_options(options, "\nAudio options:\n",
3431 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3433 show_help_options(options, "\nAdvanced Audio options:\n",
3434 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3435 OPT_AUDIO | OPT_EXPERT);
3436 show_help_options(options, "\nSubtitle options:\n",
3437 OPT_SUBTITLE | OPT_GRAB,
3439 show_help_options(options, "\nAudio/Video grab options:\n",
3443 av_opt_show(avctx_opts[0], NULL);
3445 av_opt_show(avformat_opts, NULL);
3447 av_opt_show(sws_opts, NULL);
3450 static void opt_target(const char *arg)
3453 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3455 if(!strncmp(arg, "pal-", 4)) {
3458 } else if(!strncmp(arg, "ntsc-", 5)) {
3461 } else if(!strncmp(arg, "film-", 5)) {
3466 /* Calculate FR via float to avoid int overflow */
3467 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3470 } else if((fr == 29970) || (fr == 23976)) {
3473 /* Try to determine PAL/NTSC by peeking in the input files */
3474 if(nb_input_files) {
3476 for(j = 0; j < nb_input_files; j++) {
3477 for(i = 0; i < input_files[j]->nb_streams; i++) {
3478 AVCodecContext *c = input_files[j]->streams[i]->codec;
3479 if(c->codec_type != CODEC_TYPE_VIDEO)
3481 fr = c->time_base.den * 1000 / c->time_base.num;
3485 } else if((fr == 29970) || (fr == 23976)) {
3495 if(verbose && norm >= 0)
3496 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3500 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3501 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3502 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3506 if(!strcmp(arg, "vcd")) {
3508 opt_video_codec("mpeg1video");
3509 opt_audio_codec("mp2");
3512 opt_frame_size(norm ? "352x240" : "352x288");
3513 opt_frame_rate(frame_rates[norm]);
3514 opt_default("gop", norm ? "18" : "15");
3516 opt_default("b", "1150000");
3517 opt_default("maxrate", "1150000");
3518 opt_default("minrate", "1150000");
3519 opt_default("bufsize", "327680"); // 40*1024*8;
3521 opt_default("ab", "224000");
3522 audio_sample_rate = 44100;
3525 opt_default("packetsize", "2324");
3526 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3528 /* We have to offset the PTS, so that it is consistent with the SCR.
3529 SCR starts at 36000, but the first two packs contain only padding
3530 and the first pack from the other stream, respectively, may also have
3531 been written before.
3532 So the real data starts at SCR 36000+3*1200. */
3533 mux_preload= (36000+3*1200) / 90000.0; //0.44
3534 } else if(!strcmp(arg, "svcd")) {
3536 opt_video_codec("mpeg2video");
3537 opt_audio_codec("mp2");
3540 opt_frame_size(norm ? "480x480" : "480x576");
3541 opt_frame_rate(frame_rates[norm]);
3542 opt_default("gop", norm ? "18" : "15");
3544 opt_default("b", "2040000");
3545 opt_default("maxrate", "2516000");
3546 opt_default("minrate", "0"); //1145000;
3547 opt_default("bufsize", "1835008"); //224*1024*8;
3548 opt_default("flags", "+SCAN_OFFSET");
3551 opt_default("ab", "224000");
3552 audio_sample_rate = 44100;
3554 opt_default("packetsize", "2324");
3556 } else if(!strcmp(arg, "dvd")) {
3558 opt_video_codec("mpeg2video");
3559 opt_audio_codec("ac3");
3562 opt_frame_size(norm ? "720x480" : "720x576");
3563 opt_frame_rate(frame_rates[norm]);
3564 opt_default("gop", norm ? "18" : "15");
3566 opt_default("b", "6000000");
3567 opt_default("maxrate", "9000000");
3568 opt_default("minrate", "0"); //1500000;
3569 opt_default("bufsize", "1835008"); //224*1024*8;
3571 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3572 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3574 opt_default("ab", "448000");
3575 audio_sample_rate = 48000;
3577 } else if(!strncmp(arg, "dv", 2)) {
3581 opt_frame_size(norm ? "720x480" : "720x576");
3582 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3583 (norm ? "yuv411p" : "yuv420p"));
3584 opt_frame_rate(frame_rates[norm]);
3586 audio_sample_rate = 48000;
3590 fprintf(stderr, "Unknown target: %s\n", arg);
3595 static void opt_vstats_file (const char *arg)
3597 av_free (vstats_filename);
3598 vstats_filename=av_strdup (arg);
3601 static void opt_vstats (void)
3604 time_t today2 = time(NULL);
3605 struct tm *today = localtime(&today2);
3607 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3609 opt_vstats_file(filename);
3612 static int opt_bsf(const char *opt, const char *arg)
3614 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3615 AVBitStreamFilterContext **bsfp;
3618 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3622 bsfp= *opt == 'v' ? &video_bitstream_filters :
3623 *opt == 'a' ? &audio_bitstream_filters :
3624 &subtitle_bitstream_filters;
3626 bsfp= &(*bsfp)->next;
3633 static int opt_preset(const char *opt, const char *arg)
3636 char tmp[1000], tmp2[1000];
3638 const char *base[3]= { getenv("HOME"),
3643 for(i=!base[0]; i<3 && !f; i++){
3644 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3647 char *codec_name= *opt == 'v' ? video_codec_name :
3648 *opt == 'a' ? audio_codec_name :
3649 subtitle_codec_name;
3650 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3656 fprintf(stderr, "Preset file not found\n");
3661 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3663 fprintf(stderr, "Preset file invalid\n");
3666 if(!strcmp(tmp, "acodec")){
3667 opt_audio_codec(tmp2);
3668 }else if(!strcmp(tmp, "vcodec")){
3669 opt_video_codec(tmp2);
3670 }else if(!strcmp(tmp, "scodec")){
3671 opt_subtitle_codec(tmp2);
3673 opt_default(tmp, tmp2);
3681 static const OptionDef options[] = {
3683 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3684 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3685 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3686 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3687 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3688 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3689 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3690 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3691 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3692 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3693 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3694 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3695 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3696 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3697 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3698 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3699 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3700 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3701 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3702 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3703 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3704 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3705 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3706 "add timings for benchmarking" },
3707 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3708 "dump each input packet" },
3709 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3710 "when dumping packets, also dump the payload" },
3711 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3712 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3713 { "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)", "" },
3714 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3715 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3716 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3717 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3718 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3719 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3720 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3721 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3722 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3723 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3724 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3727 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3728 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3729 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3730 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3731 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3732 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3733 { "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" },
3734 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3735 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3736 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3737 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3738 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3739 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3740 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3741 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3742 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3743 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3744 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3745 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3746 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3747 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3748 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3749 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3750 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3751 "use same video quality as source (implies VBR)" },
3752 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3753 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3754 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3755 "deinterlace pictures" },
3756 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3757 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3758 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3760 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3762 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3763 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3764 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3765 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3766 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3767 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3768 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3771 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3772 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3773 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3774 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3775 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3776 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3777 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3778 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3779 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3780 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3781 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3783 /* subtitle options */
3784 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3785 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3786 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3787 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3790 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3791 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3792 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3795 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3796 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3798 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3799 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3800 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3802 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3803 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3804 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3806 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3810 int main(int argc, char **argv)
3815 avcodec_register_all();
3816 avdevice_register_all();
3819 if(isatty(STDIN_FILENO))
3820 url_set_interrupt_cb(decode_interrupt_cb);
3822 for(i=0; i<CODEC_TYPE_NB; i++){
3823 avctx_opts[i]= avcodec_alloc_context2(i);
3825 avformat_opts = av_alloc_format_context();
3826 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3835 parse_options(argc, argv, options, opt_output_file);
3837 /* file converter / grab */
3838 if (nb_output_files <= 0) {
3839 fprintf(stderr, "Must supply at least one output file\n");
3843 if (nb_input_files == 0) {
3844 fprintf(stderr, "Must supply at least one input file\n");
3849 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3850 stream_maps, nb_stream_maps);
3851 ti = getutime() - ti;
3853 printf("bench: utime=%0.3fs\n", ti / 1000000.0);