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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavformat/framehook.h"
38 #include "libavcodec/opt.h"
39 #include "libavcodec/audioconvert.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
81 int sync_stream_index;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
90 static const OptionDef options[];
94 static AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish=1.0;
135 static float video_rc_qmod_amp=0;
136 static int video_rc_qmod_freq=0;
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int do_deinterlace = 0;
145 static int top_field_first = -1;
146 static int me_threshold = 0;
147 static int intra_dc_precision = 8;
148 static int loop_input = 0;
149 static int loop_output = AVFMT_NOOUTPUTLOOP;
150 static int qp_hist = 0;
152 static int intra_only = 0;
153 static int audio_sample_rate = 44100;
154 static int64_t channel_layout = 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale = QSCALE_NONE;
157 static int audio_disable = 0;
158 static int audio_channels = 1;
159 static char *audio_codec_name = NULL;
160 static int audio_codec_tag = 0;
161 static char *audio_language = NULL;
163 static int subtitle_disable = 0;
164 static char *subtitle_codec_name = NULL;
165 static char *subtitle_language = NULL;
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
197 static int rate_emu = 0;
199 static int video_channel = 0;
200 static char *video_standard;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int using_vhook = 0;
207 static int verbose = 1;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = 0;
217 static int force_fps = 0;
219 static int pgmyuv_compatibility_hack=0;
220 static float dts_delta_threshold = 10;
222 static unsigned int sws_flags = SWS_BICUBIC;
224 static int64_t timer_start;
226 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
227 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
231 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
233 struct AVInputStream;
235 typedef struct AVOutputStream {
236 int file_index; /* file index */
237 int index; /* stream index in the output file */
238 int source_index; /* AVInputStream index */
239 AVStream *st; /* stream in the output file */
240 int encoding_needed; /* true if encoding needed for this stream */
242 /* input pts and corresponding output pts
244 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
245 struct AVInputStream *sync_ist; /* input stream to sync against */
246 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
249 AVFrame pict_tmp; /* temporary image for resampling */
250 struct SwsContext *img_resample_ctx; /* for image resampling */
254 int topBand; /* cropping area sizes */
258 int padtop; /* padding area sizes */
265 ReSampleContext *resample; /* for audio resampling */
267 AVAudioConvert *reformat_ctx;
268 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
272 typedef struct AVInputStream {
276 int discard; /* true if stream data should be discarded */
277 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
278 int64_t sample_index; /* current sample */
280 int64_t start; /* time when read started */
281 int64_t next_pts; /* synthetic pts for cases where pkt.pts
283 int64_t pts; /* current pts */
284 int is_start; /* is 1 at the start and after a discontinuity */
287 typedef struct AVInputFile {
288 int eof_reached; /* true if eof reached */
289 int ist_index; /* index of first stream in ist_table */
290 int buffer_size; /* current total buffer size */
291 int nb_streams; /* nb streams we are aware of */
296 /* init terminal so that we can grab keys */
297 static struct termios oldtty;
300 static void term_exit(void)
303 tcsetattr (0, TCSANOW, &oldtty);
307 static volatile sig_atomic_t received_sigterm = 0;
310 sigterm_handler(int sig)
312 received_sigterm = sig;
316 static void term_init(void)
324 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
325 |INLCR|IGNCR|ICRNL|IXON);
326 tty.c_oflag |= OPOST;
327 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
328 tty.c_cflag &= ~(CSIZE|PARENB);
333 tcsetattr (0, TCSANOW, &tty);
334 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
337 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
338 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
340 register a function to be called at normal program termination
343 #if CONFIG_BEOS_NETSERVER
344 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
348 /* read a key without blocking */
349 static int read_key(void)
354 #if !CONFIG_BEOS_NETSERVER
362 n = select(1, &rfds, NULL, NULL, &tv);
378 static int decode_interrupt_cb(void)
380 return q_pressed || (q_pressed = read_key() == 'q');
383 static int av_exit(int ret)
388 for(i=0;i<nb_output_files;i++) {
389 /* maybe av_close_output_file ??? */
390 AVFormatContext *s = output_files[i];
392 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
394 for(j=0;j<s->nb_streams;j++) {
395 av_metadata_free(&s->streams[j]->metadata);
396 av_free(s->streams[j]->codec);
397 av_free(s->streams[j]);
399 for(j=0;j<s->nb_programs;j++) {
400 av_metadata_free(&s->programs[j]->metadata);
402 for(j=0;j<s->nb_chapters;j++) {
403 av_metadata_free(&s->chapters[j]->metadata);
405 av_metadata_free(&s->metadata);
408 for(i=0;i<nb_input_files;i++)
409 av_close_input_file(input_files[i]);
411 av_free(intra_matrix);
412 av_free(inter_matrix);
416 av_free(vstats_filename);
420 av_free(video_codec_name);
421 av_free(audio_codec_name);
422 av_free(subtitle_codec_name);
424 av_free(video_standard);
426 #if CONFIG_POWERPC_PERF
427 void powerpc_display_perf_report(void);
428 powerpc_display_perf_report();
429 #endif /* CONFIG_POWERPC_PERF */
431 if (received_sigterm) {
433 "Received signal %d: terminating.\n",
434 (int) received_sigterm);
438 exit(ret); /* not all OS-es handle main() return value */
442 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
448 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
451 /* copy stream format */
452 s->nb_streams = ic->nb_streams;
453 for(i=0;i<ic->nb_streams;i++) {
456 // FIXME: a more elegant solution is needed
457 st = av_mallocz(sizeof(AVStream));
458 memcpy(st, ic->streams[i], sizeof(AVStream));
459 st->codec = avcodec_alloc_context();
460 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
463 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
465 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
468 if(!st->codec->thread_count)
469 st->codec->thread_count = 1;
470 if(st->codec->thread_count>1)
471 avcodec_thread_init(st->codec, st->codec->thread_count);
473 if(st->codec->flags & CODEC_FLAG_BITEXACT)
478 s->timestamp = av_gettime();
480 av_close_input_file(ic);
485 get_sync_ipts(const AVOutputStream *ost)
487 const AVInputStream *ist = ost->sync_ist;
488 return (double)(ist->pts - start_time)/AV_TIME_BASE;
491 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
495 AVPacket new_pkt= *pkt;
496 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
497 &new_pkt.data, &new_pkt.size,
498 pkt->data, pkt->size,
499 pkt->flags & PKT_FLAG_KEY);
502 new_pkt.destruct= av_destruct_packet;
504 fprintf(stderr, "%s failed for stream %d, codec %s",
505 bsfc->filter->name, pkt->stream_index,
506 avctx->codec ? avctx->codec->name : "copy");
516 ret= av_interleaved_write_frame(s, pkt);
518 print_error("av_interleaved_write_frame()", ret);
523 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
525 static void do_audio_out(AVFormatContext *s,
528 unsigned char *buf, int size)
531 static uint8_t *audio_buf = NULL;
532 static uint8_t *audio_out = NULL;
533 static uint8_t *audio_out2 = NULL;
534 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
536 int size_out, frame_bytes, ret;
537 AVCodecContext *enc= ost->st->codec;
538 AVCodecContext *dec= ist->st->codec;
539 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
540 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
542 /* SC: dynamic allocation of buffers */
544 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
546 audio_out = av_malloc(audio_out_size);
547 if (!audio_buf || !audio_out)
548 return; /* Should signal an error ! */
550 if (enc->channels != dec->channels)
551 ost->audio_resample = 1;
553 if (ost->audio_resample && !ost->resample) {
554 if (dec->sample_fmt != SAMPLE_FMT_S16)
555 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
556 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
557 enc->sample_rate, dec->sample_rate,
558 enc->sample_fmt, dec->sample_fmt,
560 if (!ost->resample) {
561 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
562 dec->channels, dec->sample_rate,
563 enc->channels, enc->sample_rate);
568 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
569 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
570 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
572 audio_out2 = av_malloc(audio_out_size);
575 if (ost->reformat_ctx)
576 av_audio_convert_free(ost->reformat_ctx);
577 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
578 dec->sample_fmt, 1, NULL, 0);
579 if (!ost->reformat_ctx) {
580 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
581 avcodec_get_sample_fmt_name(dec->sample_fmt),
582 avcodec_get_sample_fmt_name(enc->sample_fmt));
585 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
588 if(audio_sync_method){
589 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
590 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
591 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
592 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
594 //FIXME resample delay
595 if(fabs(delta) > 50){
596 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
598 byte_delta= FFMAX(byte_delta, -size);
602 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
607 static uint8_t *input_tmp= NULL;
608 input_tmp= av_realloc(input_tmp, byte_delta + size);
610 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
613 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
615 memset(input_tmp, 0, byte_delta);
616 memcpy(input_tmp + byte_delta, buf, size);
620 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
622 }else if(audio_sync_method>1){
623 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
624 assert(ost->audio_resample);
626 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
627 // 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));
628 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
632 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
633 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
635 if (ost->audio_resample) {
637 size_out = audio_resample(ost->resample,
638 (short *)buftmp, (short *)buf,
639 size / (ist->st->codec->channels * isize));
640 size_out = size_out * enc->channels * osize;
646 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
647 const void *ibuf[6]= {buftmp};
648 void *obuf[6]= {audio_out2};
649 int istride[6]= {isize};
650 int ostride[6]= {osize};
651 int len= size_out/istride[0];
652 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
653 printf("av_audio_convert() failed\n");
659 size_out = len*osize;
662 /* now encode as many frames as possible */
663 if (enc->frame_size > 1) {
664 /* output resampled raw samples */
665 if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
666 fprintf(stderr, "av_fifo_realloc2() failed\n");
669 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
671 frame_bytes = enc->frame_size * osize * enc->channels;
673 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
675 av_init_packet(&pkt);
677 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
679 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
681 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
684 fprintf(stderr, "Audio encoding failed\n");
688 pkt.stream_index= ost->index;
691 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
692 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
693 pkt.flags |= PKT_FLAG_KEY;
694 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
696 ost->sync_opts += enc->frame_size;
700 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
701 av_init_packet(&pkt);
703 ost->sync_opts += size_out / (osize * enc->channels);
705 /* output a pcm frame */
706 /* determine the size of the coded buffer */
709 size_out *= coded_bps;
711 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
712 ret = avcodec_encode_audio(enc, audio_out, size_out,
715 fprintf(stderr, "Audio encoding failed\n");
719 pkt.stream_index= ost->index;
722 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
723 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
724 pkt.flags |= PKT_FLAG_KEY;
725 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
729 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
733 AVPicture picture_tmp;
736 dec = ist->st->codec;
738 /* deinterlace : must be done before any resize */
739 if (do_deinterlace || using_vhook) {
742 /* create temporary picture */
743 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
744 buf = av_malloc(size);
748 picture2 = &picture_tmp;
749 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
752 if(avpicture_deinterlace(picture2, picture,
753 dec->pix_fmt, dec->width, dec->height) < 0) {
754 /* if error, do not deinterlace */
755 fprintf(stderr, "Deinterlacing failed\n");
761 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
768 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
769 1000000 * ist->pts / AV_TIME_BASE);
771 if (picture != picture2)
772 *picture = *picture2;
776 /* we begin to correct av delay at this threshold */
777 #define AV_DELAY_MAX 0.100
779 static void do_subtitle_out(AVFormatContext *s,
785 static uint8_t *subtitle_out = NULL;
786 int subtitle_out_max_size = 65536;
787 int subtitle_out_size, nb, i;
791 if (pts == AV_NOPTS_VALUE) {
792 fprintf(stderr, "Subtitle packets must have a pts\n");
798 enc = ost->st->codec;
801 subtitle_out = av_malloc(subtitle_out_max_size);
804 /* Note: DVB subtitle need one packet to draw them and one other
805 packet to clear them */
806 /* XXX: signal it in the codec context ? */
807 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
812 for(i = 0; i < nb; i++) {
813 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
814 subtitle_out_max_size, sub);
816 av_init_packet(&pkt);
817 pkt.stream_index = ost->index;
818 pkt.data = subtitle_out;
819 pkt.size = subtitle_out_size;
820 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
821 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
822 /* XXX: the pts correction is handled here. Maybe handling
823 it in the codec would be better */
825 pkt.pts += 90 * sub->start_display_time;
827 pkt.pts += 90 * sub->end_display_time;
829 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
833 static int bit_buffer_size= 1024*256;
834 static uint8_t *bit_buffer= NULL;
836 static void do_video_out(AVFormatContext *s,
842 int nb_frames, i, ret;
843 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
844 AVFrame picture_crop_temp, picture_pad_temp;
845 AVCodecContext *enc, *dec;
847 avcodec_get_frame_defaults(&picture_crop_temp);
848 avcodec_get_frame_defaults(&picture_pad_temp);
850 enc = ost->st->codec;
851 dec = ist->st->codec;
853 /* by default, we output a single frame */
858 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
860 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
861 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
864 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
868 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
869 }else if (vdelta > 1.1)
870 nb_frames = lrintf(vdelta);
871 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
875 fprintf(stderr, "*** drop!\n");
876 }else if (nb_frames > 1) {
877 nb_frames_dup += nb_frames;
879 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
882 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
884 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
888 if (ost->video_crop) {
889 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
890 fprintf(stderr, "error cropping picture\n");
895 formatted_picture = &picture_crop_temp;
897 formatted_picture = in_picture;
900 final_picture = formatted_picture;
901 padding_src = formatted_picture;
902 resampling_dst = &ost->pict_tmp;
903 if (ost->video_pad) {
904 final_picture = &ost->pict_tmp;
905 if (ost->video_resample) {
906 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
907 fprintf(stderr, "error padding picture\n");
912 resampling_dst = &picture_pad_temp;
916 if (ost->video_resample) {
918 final_picture = &ost->pict_tmp;
919 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
920 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
923 if (ost->video_pad) {
924 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
925 enc->height, enc->width, enc->pix_fmt,
926 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
929 /* duplicates frame if needed */
930 for(i=0;i<nb_frames;i++) {
932 av_init_packet(&pkt);
933 pkt.stream_index= ost->index;
935 if (s->oformat->flags & AVFMT_RAWPICTURE) {
936 /* raw pictures are written as AVPicture structure to
937 avoid any copies. We support temorarily the older
939 AVFrame* old_frame = enc->coded_frame;
940 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
941 pkt.data= (uint8_t *)final_picture;
942 pkt.size= sizeof(AVPicture);
943 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
944 pkt.flags |= PKT_FLAG_KEY;
946 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
947 enc->coded_frame = old_frame;
951 big_picture= *final_picture;
952 /* better than nothing: use input picture interlaced
954 big_picture.interlaced_frame = in_picture->interlaced_frame;
955 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
956 if(top_field_first == -1)
957 big_picture.top_field_first = in_picture->top_field_first;
959 big_picture.top_field_first = top_field_first;
962 /* handles sameq here. This is not correct because it may
963 not be a global option */
965 big_picture.quality = ist->st->quality;
967 big_picture.quality = ost->st->quality;
969 big_picture.pict_type = 0;
970 // big_picture.pts = AV_NOPTS_VALUE;
971 big_picture.pts= ost->sync_opts;
972 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
973 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
974 ret = avcodec_encode_video(enc,
975 bit_buffer, bit_buffer_size,
978 fprintf(stderr, "Video encoding failed\n");
981 //enc->frame_number = enc->real_pict_num;
983 pkt.data= bit_buffer;
985 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
986 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
987 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
988 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
989 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
991 if(enc->coded_frame->key_frame)
992 pkt.flags |= PKT_FLAG_KEY;
993 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
996 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
997 // enc->frame_number-1, enc->real_pict_num, ret,
999 /* if two pass, output log */
1000 if (ost->logfile && enc->stats_out) {
1001 fprintf(ost->logfile, "%s", enc->stats_out);
1006 ost->frame_number++;
1010 static double psnr(double d){
1011 return -10.0*log(d)/log(10.0);
1014 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1017 AVCodecContext *enc;
1019 double ti1, bitrate, avg_bitrate;
1021 /* this is executed just the first time do_video_stats is called */
1023 vstats_file = fopen(vstats_filename, "w");
1030 enc = ost->st->codec;
1031 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1032 frame_number = ost->frame_number;
1033 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1034 if (enc->flags&CODEC_FLAG_PSNR)
1035 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1037 fprintf(vstats_file,"f_size= %6d ", frame_size);
1038 /* compute pts value */
1039 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1043 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1044 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1045 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1046 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1047 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1051 static void print_report(AVFormatContext **output_files,
1052 AVOutputStream **ost_table, int nb_ostreams,
1056 AVOutputStream *ost;
1057 AVFormatContext *oc, *os;
1059 AVCodecContext *enc;
1060 int frame_number, vid, i;
1061 double bitrate, ti1, pts;
1062 static int64_t last_time = -1;
1063 static int qp_histogram[52];
1065 if (!is_last_report) {
1067 /* display the report every 0.5 seconds */
1068 cur_time = av_gettime();
1069 if (last_time == -1) {
1070 last_time = cur_time;
1073 if ((cur_time - last_time) < 500000)
1075 last_time = cur_time;
1079 oc = output_files[0];
1081 total_size = url_fsize(oc->pb);
1082 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1083 total_size= url_ftell(oc->pb);
1088 for(i=0;i<nb_ostreams;i++) {
1090 os = output_files[ost->file_index];
1091 enc = ost->st->codec;
1092 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1093 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1094 !ost->st->stream_copy ?
1095 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1097 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1098 float t = (av_gettime()-timer_start) / 1000000.0;
1100 frame_number = ost->frame_number;
1101 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1102 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1103 !ost->st->stream_copy ?
1104 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1106 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1109 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1110 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1113 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1115 if (enc->flags&CODEC_FLAG_PSNR){
1117 double error, error_sum=0;
1118 double scale, scale_sum=0;
1119 char type[3]= {'Y','U','V'};
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1123 error= enc->error[j];
1124 scale= enc->width*enc->height*255.0*255.0*frame_number;
1126 error= enc->coded_frame->error[j];
1127 scale= enc->width*enc->height*255.0*255.0;
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1134 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1138 /* compute min output value */
1139 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1140 if ((pts < ti1) && (pts > 0))
1146 if (verbose || is_last_report) {
1147 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1149 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1150 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1151 (double)total_size / 1024, ti1, bitrate);
1154 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1155 nb_frames_dup, nb_frames_drop);
1158 fprintf(stderr, "%s \r", buf);
1163 if (is_last_report && verbose >= 0){
1164 int64_t raw= audio_size + video_size + extra_size;
1165 fprintf(stderr, "\n");
1166 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1170 100.0*(total_size - raw)/raw
1175 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1176 static int output_packet(AVInputStream *ist, int ist_index,
1177 AVOutputStream **ost_table, int nb_ostreams,
1178 const AVPacket *pkt)
1180 AVFormatContext *os;
1181 AVOutputStream *ost;
1185 int data_size, got_picture;
1187 void *buffer_to_free;
1188 static unsigned int samples_size= 0;
1189 static short *samples= NULL;
1190 AVSubtitle subtitle, *subtitle_to_free;
1193 if(ist->next_pts == AV_NOPTS_VALUE)
1194 ist->next_pts= ist->pts;
1203 if(pkt->dts != AV_NOPTS_VALUE)
1204 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1209 //while we have more to decode or while the decoder did output something on EOF
1210 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1212 ist->pts= ist->next_pts;
1214 if(len && len != pkt->size && verbose>0)
1215 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1217 /* decode the packet if needed */
1218 data_buf = NULL; /* fail safe */
1220 subtitle_to_free = NULL;
1221 if (ist->decoding_needed) {
1222 switch(ist->st->codec->codec_type) {
1223 case CODEC_TYPE_AUDIO:{
1224 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1225 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1227 samples= av_malloc(samples_size);
1229 data_size= samples_size;
1230 /* XXX: could avoid copy if PCM 16 bits with same
1231 endianness as CPU */
1232 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1238 /* Some bug in mpeg audio decoder gives */
1239 /* data_size < 0, it seems they are overflows */
1240 if (data_size <= 0) {
1241 /* no audio frame */
1244 data_buf = (uint8_t *)samples;
1245 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1246 (ist->st->codec->sample_rate * ist->st->codec->channels);
1248 case CODEC_TYPE_VIDEO:
1249 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1250 /* XXX: allocate picture correctly */
1251 avcodec_get_frame_defaults(&picture);
1253 ret = avcodec_decode_video(ist->st->codec,
1254 &picture, &got_picture, ptr, len);
1255 ist->st->quality= picture.quality;
1259 /* no picture yet */
1260 goto discard_packet;
1262 if (ist->st->codec->time_base.num != 0) {
1263 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1264 ist->next_pts += ((int64_t)AV_TIME_BASE *
1265 ist->st->codec->time_base.num * ticks) /
1266 ist->st->codec->time_base.den;
1270 case CODEC_TYPE_SUBTITLE:
1271 ret = avcodec_decode_subtitle(ist->st->codec,
1272 &subtitle, &got_subtitle, ptr, len);
1275 if (!got_subtitle) {
1276 goto discard_packet;
1278 subtitle_to_free = &subtitle;
1285 switch(ist->st->codec->codec_type) {
1286 case CODEC_TYPE_AUDIO:
1287 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1288 ist->st->codec->sample_rate;
1290 case CODEC_TYPE_VIDEO:
1291 if (ist->st->codec->time_base.num != 0) {
1292 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1293 ist->next_pts += ((int64_t)AV_TIME_BASE *
1294 ist->st->codec->time_base.num * ticks) /
1295 ist->st->codec->time_base.den;
1305 buffer_to_free = NULL;
1306 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1307 pre_process_video_frame(ist, (AVPicture *)&picture,
1311 // preprocess audio (volume)
1312 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1313 if (audio_volume != 256) {
1316 for(i=0;i<(data_size / sizeof(short));i++) {
1317 int v = ((*volp) * audio_volume + 128) >> 8;
1318 if (v < -32768) v = -32768;
1319 if (v > 32767) v = 32767;
1325 /* frame rate emulation */
1327 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1328 int64_t now = av_gettime() - ist->start;
1333 /* if output time reached then transcode raw format,
1334 encode packets and output them */
1335 if (start_time == 0 || ist->pts >= start_time)
1336 for(i=0;i<nb_ostreams;i++) {
1340 if (ost->source_index == ist_index) {
1341 os = output_files[ost->file_index];
1344 printf("%d: got pts=%0.3f %0.3f\n", i,
1345 (double)pkt->pts / AV_TIME_BASE,
1346 ((double)ist->pts / AV_TIME_BASE) -
1347 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1349 /* set the input output pts pairs */
1350 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1352 if (ost->encoding_needed) {
1353 switch(ost->st->codec->codec_type) {
1354 case CODEC_TYPE_AUDIO:
1355 do_audio_out(os, ost, ist, data_buf, data_size);
1357 case CODEC_TYPE_VIDEO:
1358 do_video_out(os, ost, ist, &picture, &frame_size);
1359 if (vstats_filename && frame_size)
1360 do_video_stats(os, ost, frame_size);
1362 case CODEC_TYPE_SUBTITLE:
1363 do_subtitle_out(os, ost, ist, &subtitle,
1370 AVFrame avframe; //FIXME/XXX remove this
1372 av_init_packet(&opkt);
1374 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1377 /* no reencoding needed : output the packet directly */
1378 /* force the input stream PTS */
1380 avcodec_get_frame_defaults(&avframe);
1381 ost->st->codec->coded_frame= &avframe;
1382 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1384 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1385 audio_size += data_size;
1386 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1387 video_size += data_size;
1391 opkt.stream_index= ost->index;
1392 if(pkt->pts != AV_NOPTS_VALUE)
1393 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1395 opkt.pts= AV_NOPTS_VALUE;
1397 if (pkt->dts == AV_NOPTS_VALUE)
1398 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1400 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1402 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1403 opkt.flags= pkt->flags;
1405 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1406 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1407 opkt.destruct= av_destruct_packet;
1409 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1410 ost->st->codec->frame_number++;
1411 ost->frame_number++;
1412 av_free_packet(&opkt);
1416 av_free(buffer_to_free);
1417 /* XXX: allocate the subtitles in the codec ? */
1418 if (subtitle_to_free) {
1419 if (subtitle_to_free->rects != NULL) {
1420 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1421 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1422 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1423 av_freep(&subtitle_to_free->rects[i]);
1425 av_freep(&subtitle_to_free->rects);
1427 subtitle_to_free->num_rects = 0;
1428 subtitle_to_free = NULL;
1435 for(i=0;i<nb_ostreams;i++) {
1437 if (ost->source_index == ist_index) {
1438 AVCodecContext *enc= ost->st->codec;
1439 os = output_files[ost->file_index];
1441 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1443 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1446 if (ost->encoding_needed) {
1450 av_init_packet(&pkt);
1451 pkt.stream_index= ost->index;
1453 switch(ost->st->codec->codec_type) {
1454 case CODEC_TYPE_AUDIO:
1455 fifo_bytes = av_fifo_size(&ost->fifo);
1457 /* encode any samples remaining in fifo */
1458 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1459 int fs_tmp = enc->frame_size;
1460 enc->frame_size = fifo_bytes / (2 * enc->channels);
1461 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1462 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1463 enc->frame_size = fs_tmp;
1466 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1469 fprintf(stderr, "Audio encoding failed\n");
1473 pkt.flags |= PKT_FLAG_KEY;
1475 case CODEC_TYPE_VIDEO:
1476 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1478 fprintf(stderr, "Video encoding failed\n");
1482 if(enc->coded_frame && enc->coded_frame->key_frame)
1483 pkt.flags |= PKT_FLAG_KEY;
1484 if (ost->logfile && enc->stats_out) {
1485 fprintf(ost->logfile, "%s", enc->stats_out);
1494 pkt.data= bit_buffer;
1496 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1497 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1498 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1510 static void print_sdp(AVFormatContext **avc, int n)
1514 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1515 printf("SDP:\n%s\n", sdp);
1519 static int stream_index_from_inputs(AVFormatContext **input_files,
1521 AVInputFile *file_table,
1522 AVInputStream **ist_table,
1523 enum CodecType type,
1527 for(z=0; z<nb_input_files; z++) {
1528 AVFormatContext *ic = input_files[z];
1529 for(p=0; p<ic->nb_programs; p++) {
1530 AVProgram *program = ic->programs[p];
1531 if(program->id != programid)
1533 for(q=0; q<program->nb_stream_indexes; q++) {
1534 int sidx = program->stream_index[q];
1535 int ris = file_table[z].ist_index + sidx;
1536 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1546 * The following code is the main loop of the file converter
1548 static int av_encode(AVFormatContext **output_files,
1549 int nb_output_files,
1550 AVFormatContext **input_files,
1552 AVStreamMap *stream_maps, int nb_stream_maps)
1554 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1555 AVFormatContext *is, *os;
1556 AVCodecContext *codec, *icodec;
1557 AVOutputStream *ost, **ost_table = NULL;
1558 AVInputStream *ist, **ist_table = NULL;
1559 AVInputFile *file_table;
1563 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1567 /* input stream init */
1569 for(i=0;i<nb_input_files;i++) {
1570 is = input_files[i];
1571 file_table[i].ist_index = j;
1572 file_table[i].nb_streams = is->nb_streams;
1573 j += is->nb_streams;
1577 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1581 for(i=0;i<nb_istreams;i++) {
1582 ist = av_mallocz(sizeof(AVInputStream));
1588 for(i=0;i<nb_input_files;i++) {
1589 is = input_files[i];
1590 for(k=0;k<is->nb_streams;k++) {
1591 ist = ist_table[j++];
1592 ist->st = is->streams[k];
1593 ist->file_index = i;
1595 ist->discard = 1; /* the stream is discarded by default
1599 ist->start = av_gettime();
1604 /* output stream init */
1606 for(i=0;i<nb_output_files;i++) {
1607 os = output_files[i];
1608 if (!os->nb_streams) {
1609 dump_format(output_files[i], i, output_files[i]->filename, 1);
1610 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1613 nb_ostreams += os->nb_streams;
1615 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1616 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1620 /* Sanity check the mapping args -- do the input files & streams exist? */
1621 for(i=0;i<nb_stream_maps;i++) {
1622 int fi = stream_maps[i].file_index;
1623 int si = stream_maps[i].stream_index;
1625 if (fi < 0 || fi > nb_input_files - 1 ||
1626 si < 0 || si > file_table[fi].nb_streams - 1) {
1627 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1630 fi = stream_maps[i].sync_file_index;
1631 si = stream_maps[i].sync_stream_index;
1632 if (fi < 0 || fi > nb_input_files - 1 ||
1633 si < 0 || si > file_table[fi].nb_streams - 1) {
1634 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1639 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1642 for(i=0;i<nb_ostreams;i++) {
1643 ost = av_mallocz(sizeof(AVOutputStream));
1650 for(k=0;k<nb_output_files;k++) {
1651 os = output_files[k];
1652 for(i=0;i<os->nb_streams;i++,n++) {
1655 ost->file_index = k;
1657 ost->st = os->streams[i];
1658 if (nb_stream_maps > 0) {
1659 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1660 stream_maps[n].stream_index;
1662 /* Sanity check that the stream types match */
1663 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1664 int i= ost->file_index;
1665 dump_format(output_files[i], i, output_files[i]->filename, 1);
1666 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1667 stream_maps[n].file_index, stream_maps[n].stream_index,
1668 ost->file_index, ost->index);
1675 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1677 ost->source_index = j;
1681 /* get corresponding input stream index : we select the first one with the right type */
1683 for(j=0;j<nb_istreams;j++) {
1686 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1687 ost->source_index = j;
1695 if(! opt_programid) {
1696 /* try again and reuse existing stream */
1697 for(j=0;j<nb_istreams;j++) {
1699 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1700 ost->source_index = j;
1706 int i= ost->file_index;
1707 dump_format(output_files[i], i, output_files[i]->filename, 1);
1708 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1709 ost->file_index, ost->index);
1714 ist = ist_table[ost->source_index];
1716 ost->sync_ist = (nb_stream_maps > 0) ?
1717 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1718 stream_maps[n].sync_stream_index] : ist;
1722 /* for each output stream, we compute the right encoding parameters */
1723 for(i=0;i<nb_ostreams;i++) {
1724 AVMetadataTag *lang;
1726 os = output_files[ost->file_index];
1727 ist = ist_table[ost->source_index];
1729 codec = ost->st->codec;
1730 icodec = ist->st->codec;
1732 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1733 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1734 av_metadata_set(&ost->st->metadata, "language", lang->value);
1736 ost->st->disposition = ist->st->disposition;
1738 if (ost->st->stream_copy) {
1739 /* if stream_copy is selected, no need to decode or encode */
1740 codec->codec_id = icodec->codec_id;
1741 codec->codec_type = icodec->codec_type;
1743 if(!codec->codec_tag){
1744 if( !os->oformat->codec_tag
1745 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1746 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1747 codec->codec_tag = icodec->codec_tag;
1750 codec->bit_rate = icodec->bit_rate;
1751 codec->extradata= icodec->extradata;
1752 codec->extradata_size= icodec->extradata_size;
1753 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1754 codec->time_base = icodec->time_base;
1755 codec->time_base.num *= icodec->ticks_per_frame;
1757 codec->time_base = ist->st->time_base;
1758 switch(codec->codec_type) {
1759 case CODEC_TYPE_AUDIO:
1760 if(audio_volume != 256) {
1761 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1764 codec->channel_layout = icodec->channel_layout;
1765 codec->sample_rate = icodec->sample_rate;
1766 codec->channels = icodec->channels;
1767 codec->frame_size = icodec->frame_size;
1768 codec->block_align= icodec->block_align;
1769 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1770 codec->block_align= 0;
1771 if(codec->codec_id == CODEC_ID_AC3)
1772 codec->block_align= 0;
1774 case CODEC_TYPE_VIDEO:
1776 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1779 codec->pix_fmt = icodec->pix_fmt;
1780 codec->width = icodec->width;
1781 codec->height = icodec->height;
1782 codec->has_b_frames = icodec->has_b_frames;
1784 case CODEC_TYPE_SUBTITLE:
1785 codec->width = icodec->width;
1786 codec->height = icodec->height;
1792 switch(codec->codec_type) {
1793 case CODEC_TYPE_AUDIO:
1794 if (av_fifo_init(&ost->fifo, 1024))
1796 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1797 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1798 icodec->request_channels = codec->channels;
1799 ist->decoding_needed = 1;
1800 ost->encoding_needed = 1;
1802 case CODEC_TYPE_VIDEO:
1803 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1804 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1805 ost->video_resample = ((codec->width != icodec->width -
1806 (frame_leftBand + frame_rightBand) +
1807 (frame_padleft + frame_padright)) ||
1808 (codec->height != icodec->height -
1809 (frame_topBand + frame_bottomBand) +
1810 (frame_padtop + frame_padbottom)) ||
1811 (codec->pix_fmt != icodec->pix_fmt));
1812 if (ost->video_crop) {
1813 ost->topBand = frame_topBand;
1814 ost->leftBand = frame_leftBand;
1816 if (ost->video_pad) {
1817 ost->padtop = frame_padtop;
1818 ost->padleft = frame_padleft;
1819 ost->padbottom = frame_padbottom;
1820 ost->padright = frame_padright;
1821 if (!ost->video_resample) {
1822 avcodec_get_frame_defaults(&ost->pict_tmp);
1823 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1824 codec->width, codec->height))
1828 if (ost->video_resample) {
1829 avcodec_get_frame_defaults(&ost->pict_tmp);
1830 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1831 codec->width, codec->height)) {
1832 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1835 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1836 ost->img_resample_ctx = sws_getContext(
1837 icodec->width - (frame_leftBand + frame_rightBand),
1838 icodec->height - (frame_topBand + frame_bottomBand),
1840 codec->width - (frame_padleft + frame_padright),
1841 codec->height - (frame_padtop + frame_padbottom),
1843 sws_flags, NULL, NULL, NULL);
1844 if (ost->img_resample_ctx == NULL) {
1845 fprintf(stderr, "Cannot get resampling context\n");
1848 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1850 ost->encoding_needed = 1;
1851 ist->decoding_needed = 1;
1853 case CODEC_TYPE_SUBTITLE:
1854 ost->encoding_needed = 1;
1855 ist->decoding_needed = 1;
1862 if (ost->encoding_needed &&
1863 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1864 char logfilename[1024];
1869 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1870 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1872 if (codec->flags & CODEC_FLAG_PASS1) {
1873 f = fopen(logfilename, "w");
1875 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1880 /* read the log file */
1881 f = fopen(logfilename, "r");
1883 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1886 fseek(f, 0, SEEK_END);
1888 fseek(f, 0, SEEK_SET);
1889 logbuffer = av_malloc(size + 1);
1891 fprintf(stderr, "Could not allocate log buffer\n");
1894 size = fread(logbuffer, 1, size, f);
1896 logbuffer[size] = '\0';
1897 codec->stats_in = logbuffer;
1901 if(codec->codec_type == CODEC_TYPE_VIDEO){
1902 int size= codec->width * codec->height;
1903 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1908 bit_buffer = av_malloc(bit_buffer_size);
1912 /* dump the file output parameters - cannot be done before in case
1914 for(i=0;i<nb_output_files;i++) {
1915 dump_format(output_files[i], i, output_files[i]->filename, 1);
1918 /* dump the stream mapping */
1920 fprintf(stderr, "Stream mapping:\n");
1921 for(i=0;i<nb_ostreams;i++) {
1923 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1924 ist_table[ost->source_index]->file_index,
1925 ist_table[ost->source_index]->index,
1928 if (ost->sync_ist != ist_table[ost->source_index])
1929 fprintf(stderr, " [sync #%d.%d]",
1930 ost->sync_ist->file_index,
1931 ost->sync_ist->index);
1932 fprintf(stderr, "\n");
1936 /* open each encoder */
1937 for(i=0;i<nb_ostreams;i++) {
1939 if (ost->encoding_needed) {
1940 AVCodec *codec = output_codecs[i];
1942 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1944 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1945 ost->file_index, ost->index);
1948 if (avcodec_open(ost->st->codec, codec) < 0) {
1949 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1950 ost->file_index, ost->index);
1953 extra_size += ost->st->codec->extradata_size;
1957 /* open each decoder */
1958 for(i=0;i<nb_istreams;i++) {
1960 if (ist->decoding_needed) {
1961 AVCodec *codec = input_codecs[i];
1963 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1965 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1966 ist->st->codec->codec_id, ist->file_index, ist->index);
1969 if (avcodec_open(ist->st->codec, codec) < 0) {
1970 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1971 ist->file_index, ist->index);
1974 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1975 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1980 for(i=0;i<nb_istreams;i++) {
1982 is = input_files[ist->file_index];
1984 ist->next_pts = AV_NOPTS_VALUE;
1988 /* set meta data information from input file if required */
1989 for (i=0;i<nb_meta_data_maps;i++) {
1990 AVFormatContext *out_file;
1991 AVFormatContext *in_file;
1992 AVMetadataTag *mtag;
1994 int out_file_index = meta_data_maps[i].out_file;
1995 int in_file_index = meta_data_maps[i].in_file;
1996 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1997 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1998 ret = AVERROR(EINVAL);
2001 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2002 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
2003 ret = AVERROR(EINVAL);
2007 out_file = output_files[out_file_index];
2008 in_file = input_files[in_file_index];
2012 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2013 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2014 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2015 in_file->iformat->metadata_conv);
2018 /* open files and write file headers */
2019 for(i=0;i<nb_output_files;i++) {
2020 os = output_files[i];
2021 if (av_write_header(os) < 0) {
2022 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2023 ret = AVERROR(EINVAL);
2026 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2031 print_sdp(output_files, nb_output_files);
2034 if (!using_stdin && verbose >= 0) {
2035 fprintf(stderr, "Press [q] to stop encoding\n");
2036 url_set_interrupt_cb(decode_interrupt_cb);
2041 timer_start = av_gettime();
2043 for(; received_sigterm == 0;) {
2044 int file_index, ist_index;
2052 /* if 'q' pressed, exits */
2056 /* read_key() returns 0 on EOF */
2062 /* select the stream that we must read now by looking at the
2063 smallest output pts */
2065 for(i=0;i<nb_ostreams;i++) {
2068 os = output_files[ost->file_index];
2069 ist = ist_table[ost->source_index];
2070 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2071 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2073 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2074 ipts = (double)ist->pts;
2075 if (!file_table[ist->file_index].eof_reached){
2076 if(ipts < ipts_min) {
2078 if(input_sync ) file_index = ist->file_index;
2080 if(opts < opts_min) {
2082 if(!input_sync) file_index = ist->file_index;
2085 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2090 /* if none, if is finished */
2091 if (file_index < 0) {
2095 /* finish if recording time exhausted */
2096 if (opts_min >= (recording_time / 1000000.0))
2099 /* finish if limit size exhausted */
2100 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2103 /* read a frame from it and output it in the fifo */
2104 is = input_files[file_index];
2105 ret= av_read_frame(is, &pkt);
2106 if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm"))
2109 file_table[file_index].eof_reached = 1;
2117 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2119 /* the following test is needed in case new streams appear
2120 dynamically in stream : we ignore them */
2121 if (pkt.stream_index >= file_table[file_index].nb_streams)
2122 goto discard_packet;
2123 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2124 ist = ist_table[ist_index];
2126 goto discard_packet;
2128 if (pkt.dts != AV_NOPTS_VALUE)
2129 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2130 if (pkt.pts != AV_NOPTS_VALUE)
2131 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2133 if(input_files_ts_scale[file_index][pkt.stream_index]){
2134 if(pkt.pts != AV_NOPTS_VALUE)
2135 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2136 if(pkt.dts != AV_NOPTS_VALUE)
2137 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2140 // 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);
2141 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2142 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2143 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2144 int64_t delta= pkt_dts - ist->next_pts;
2145 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2146 input_files_ts_offset[ist->file_index]-= delta;
2148 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2149 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2150 if(pkt.pts != AV_NOPTS_VALUE)
2151 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2155 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2156 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2159 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2160 ist->file_index, ist->index);
2163 av_free_packet(&pkt);
2168 av_free_packet(&pkt);
2170 /* dump report by using the output first video and audio streams */
2171 print_report(output_files, ost_table, nb_ostreams, 0);
2174 /* at the end of stream, we must flush the decoder buffers */
2175 for(i=0;i<nb_istreams;i++) {
2177 if (ist->decoding_needed) {
2178 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2184 /* write the trailer if needed and close file */
2185 for(i=0;i<nb_output_files;i++) {
2186 os = output_files[i];
2187 av_write_trailer(os);
2190 /* dump report by using the first video and audio streams */
2191 print_report(output_files, ost_table, nb_ostreams, 1);
2193 /* close each encoder */
2194 for(i=0;i<nb_ostreams;i++) {
2196 if (ost->encoding_needed) {
2197 av_freep(&ost->st->codec->stats_in);
2198 avcodec_close(ost->st->codec);
2202 /* close each decoder */
2203 for(i=0;i<nb_istreams;i++) {
2205 if (ist->decoding_needed) {
2206 avcodec_close(ist->st->codec);
2214 av_freep(&bit_buffer);
2215 av_free(file_table);
2218 for(i=0;i<nb_istreams;i++) {
2225 for(i=0;i<nb_ostreams;i++) {
2229 fclose(ost->logfile);
2230 ost->logfile = NULL;
2232 av_fifo_free(&ost->fifo); /* works even if fifo is not
2233 initialized but set to zero */
2234 av_free(ost->pict_tmp.data[0]);
2235 if (ost->video_resample)
2236 sws_freeContext(ost->img_resample_ctx);
2238 audio_resample_close(ost->resample);
2239 if (ost->reformat_ctx)
2240 av_audio_convert_free(ost->reformat_ctx);
2248 ret = AVERROR(ENOMEM);
2253 int file_read(const char *filename)
2256 unsigned char buffer[1024];
2259 if (url_open(&h, filename, O_RDONLY) < 0) {
2260 printf("could not open '%s'\n", filename);
2264 len = url_read(h, buffer, sizeof(buffer));
2267 for(i=0;i<len;i++) putchar(buffer[i]);
2274 static void opt_format(const char *arg)
2276 /* compatibility stuff for pgmyuv */
2277 if (!strcmp(arg, "pgmyuv")) {
2278 pgmyuv_compatibility_hack=1;
2279 // opt_image_format(arg);
2281 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2284 file_iformat = av_find_input_format(arg);
2285 file_oformat = guess_format(arg, NULL, NULL);
2286 if (!file_iformat && !file_oformat) {
2287 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2292 static void opt_video_rc_override_string(const char *arg)
2294 video_rc_override_string = arg;
2297 static int opt_me_threshold(const char *opt, const char *arg)
2299 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2303 static int opt_verbose(const char *opt, const char *arg)
2305 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2306 av_log_set_level(verbose);
2310 static int opt_frame_rate(const char *opt, const char *arg)
2312 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2313 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2319 static int opt_bitrate(const char *opt, const char *arg)
2321 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2323 opt_default(opt, arg);
2325 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2326 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2331 static void opt_frame_crop_top(const char *arg)
2333 frame_topBand = atoi(arg);
2334 if (frame_topBand < 0) {
2335 fprintf(stderr, "Incorrect top crop size\n");
2338 if ((frame_topBand % 2) != 0) {
2339 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2342 if ((frame_topBand) >= frame_height){
2343 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2346 frame_height -= frame_topBand;
2349 static void opt_frame_crop_bottom(const char *arg)
2351 frame_bottomBand = atoi(arg);
2352 if (frame_bottomBand < 0) {
2353 fprintf(stderr, "Incorrect bottom crop size\n");
2356 if ((frame_bottomBand % 2) != 0) {
2357 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2360 if ((frame_bottomBand) >= frame_height){
2361 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2364 frame_height -= frame_bottomBand;
2367 static void opt_frame_crop_left(const char *arg)
2369 frame_leftBand = atoi(arg);
2370 if (frame_leftBand < 0) {
2371 fprintf(stderr, "Incorrect left crop size\n");
2374 if ((frame_leftBand % 2) != 0) {
2375 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2378 if ((frame_leftBand) >= frame_width){
2379 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2382 frame_width -= frame_leftBand;
2385 static void opt_frame_crop_right(const char *arg)
2387 frame_rightBand = atoi(arg);
2388 if (frame_rightBand < 0) {
2389 fprintf(stderr, "Incorrect right crop size\n");
2392 if ((frame_rightBand % 2) != 0) {
2393 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2396 if ((frame_rightBand) >= frame_width){
2397 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2400 frame_width -= frame_rightBand;
2403 static void opt_frame_size(const char *arg)
2405 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2406 fprintf(stderr, "Incorrect frame size\n");
2409 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2410 fprintf(stderr, "Frame size must be a multiple of 2\n");
2416 #define SCALEBITS 10
2417 #define ONE_HALF (1 << (SCALEBITS - 1))
2418 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2420 #define RGB_TO_Y(r, g, b) \
2421 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2422 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2424 #define RGB_TO_U(r1, g1, b1, shift)\
2425 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2426 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2428 #define RGB_TO_V(r1, g1, b1, shift)\
2429 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2430 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2432 static void opt_pad_color(const char *arg) {
2433 /* Input is expected to be six hex digits similar to
2434 how colors are expressed in html tags (but without the #) */
2435 int rgb = strtol(arg, NULL, 16);
2439 g = ((rgb >> 8) & 255);
2442 padcolor[0] = RGB_TO_Y(r,g,b);
2443 padcolor[1] = RGB_TO_U(r,g,b,0);
2444 padcolor[2] = RGB_TO_V(r,g,b,0);
2447 static void opt_frame_pad_top(const char *arg)
2449 frame_padtop = atoi(arg);
2450 if (frame_padtop < 0) {
2451 fprintf(stderr, "Incorrect top pad size\n");
2454 if ((frame_padtop % 2) != 0) {
2455 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2460 static void opt_frame_pad_bottom(const char *arg)
2462 frame_padbottom = atoi(arg);
2463 if (frame_padbottom < 0) {
2464 fprintf(stderr, "Incorrect bottom pad size\n");
2467 if ((frame_padbottom % 2) != 0) {
2468 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2474 static void opt_frame_pad_left(const char *arg)
2476 frame_padleft = atoi(arg);
2477 if (frame_padleft < 0) {
2478 fprintf(stderr, "Incorrect left pad size\n");
2481 if ((frame_padleft % 2) != 0) {
2482 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2488 static void opt_frame_pad_right(const char *arg)
2490 frame_padright = atoi(arg);
2491 if (frame_padright < 0) {
2492 fprintf(stderr, "Incorrect right pad size\n");
2495 if ((frame_padright % 2) != 0) {
2496 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2501 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2505 for (i=-1; i < nb_fmts; i++) {
2506 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2507 fprintf(stdout, "%s\n", fmt_str);
2511 static void opt_frame_pix_fmt(const char *arg)
2513 if (strcmp(arg, "list"))
2514 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2516 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2521 static void opt_frame_aspect_ratio(const char *arg)
2528 p = strchr(arg, ':');
2530 x = strtol(arg, &end, 10);
2532 y = strtol(end+1, &end, 10);
2534 ar = (double)x / (double)y;
2536 ar = strtod(arg, NULL);
2539 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2542 frame_aspect_ratio = ar;
2545 static int opt_metadata(const char *opt, const char *arg)
2547 char *mid= strchr(arg, '=');
2550 fprintf(stderr, "Missing =\n");
2556 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2557 metadata[metadata_count-1].key = av_strdup(arg);
2558 metadata[metadata_count-1].value= av_strdup(mid);
2563 static void opt_qscale(const char *arg)
2565 video_qscale = atof(arg);
2566 if (video_qscale <= 0 ||
2567 video_qscale > 255) {
2568 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2573 static void opt_top_field_first(const char *arg)
2575 top_field_first= atoi(arg);
2578 static int opt_thread_count(const char *opt, const char *arg)
2580 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2583 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2588 static void opt_audio_sample_fmt(const char *arg)
2590 if (strcmp(arg, "list"))
2591 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2593 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2598 static int opt_audio_rate(const char *opt, const char *arg)
2600 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2604 static int opt_audio_channels(const char *opt, const char *arg)
2606 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2610 static void opt_video_channel(const char *arg)
2612 video_channel = strtol(arg, NULL, 0);
2615 static void opt_video_standard(const char *arg)
2617 video_standard = av_strdup(arg);
2620 static void opt_codec(int *pstream_copy, char **pcodec_name,
2621 int codec_type, const char *arg)
2623 av_freep(pcodec_name);
2624 if (!strcmp(arg, "copy")) {
2627 *pcodec_name = av_strdup(arg);
2631 static void opt_audio_codec(const char *arg)
2633 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2636 static void opt_audio_tag(const char *arg)
2639 audio_codec_tag= strtol(arg, &tail, 0);
2642 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2645 static void opt_video_tag(const char *arg)
2648 video_codec_tag= strtol(arg, &tail, 0);
2651 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2655 static void add_frame_hooker(const char *arg)
2660 char *args = av_strdup(arg);
2664 argv[0] = strtok(args, " ");
2665 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2668 i = frame_hook_add(argc, argv);
2671 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2677 static void opt_video_codec(const char *arg)
2679 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2682 static void opt_subtitle_codec(const char *arg)
2684 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2687 static void opt_map(const char *arg)
2692 m = &stream_maps[nb_stream_maps++];
2694 m->file_index = strtol(arg, &p, 0);
2698 m->stream_index = strtol(p, &p, 0);
2701 m->sync_file_index = strtol(p, &p, 0);
2704 m->sync_stream_index = strtol(p, &p, 0);
2706 m->sync_file_index = m->file_index;
2707 m->sync_stream_index = m->stream_index;
2711 static void opt_map_meta_data(const char *arg)
2716 m = &meta_data_maps[nb_meta_data_maps++];
2718 m->out_file = strtol(arg, &p, 0);
2722 m->in_file = strtol(p, &p, 0);
2725 static void opt_input_ts_scale(const char *arg)
2727 unsigned int stream;
2731 stream = strtol(arg, &p, 0);
2734 scale= strtod(p, &p);
2736 if(stream >= MAX_STREAMS)
2739 input_files_ts_scale[nb_input_files][stream]= scale;
2742 static int opt_recording_time(const char *opt, const char *arg)
2744 recording_time = parse_time_or_die(opt, arg, 1);
2748 static int opt_start_time(const char *opt, const char *arg)
2750 start_time = parse_time_or_die(opt, arg, 1);
2754 static int opt_rec_timestamp(const char *opt, const char *arg)
2756 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2760 static int opt_input_ts_offset(const char *opt, const char *arg)
2762 input_ts_offset = parse_time_or_die(opt, arg, 1);
2766 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2768 const char *codec_string = encoder ? "encoder" : "decoder";
2772 return CODEC_ID_NONE;
2774 avcodec_find_encoder_by_name(name) :
2775 avcodec_find_decoder_by_name(name);
2777 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2780 if(codec->type != type) {
2781 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2787 static void opt_input_file(const char *filename)
2789 AVFormatContext *ic;
2790 AVFormatParameters params, *ap = ¶ms;
2791 int err, i, ret, rfps, rfps_base;
2794 if (!strcmp(filename, "-"))
2797 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2798 !strcmp(filename, "/dev/stdin");
2800 /* get default parameters from command line */
2801 ic = avformat_alloc_context();
2803 memset(ap, 0, sizeof(*ap));
2804 ap->prealloced_context = 1;
2805 ap->sample_rate = audio_sample_rate;
2806 ap->channels = audio_channels;
2807 ap->time_base.den = frame_rate.num;
2808 ap->time_base.num = frame_rate.den;
2809 ap->width = frame_width + frame_padleft + frame_padright;
2810 ap->height = frame_height + frame_padtop + frame_padbottom;
2811 ap->pix_fmt = frame_pix_fmt;
2812 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2813 ap->channel = video_channel;
2814 ap->standard = video_standard;
2815 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2816 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2817 if(pgmyuv_compatibility_hack)
2818 ap->video_codec_id= CODEC_ID_PGMYUV;
2820 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2822 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2823 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2824 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2826 /* open the input file with generic libav function */
2827 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2829 print_error(filename, err);
2834 for(i=0; i<ic->nb_programs; i++)
2835 if(ic->programs[i]->id != opt_programid)
2836 ic->programs[i]->discard = AVDISCARD_ALL;
2839 ic->loop_input = loop_input;
2841 /* If not enough info to get the stream parameters, we decode the
2842 first frames to get it. (used in mpeg case for example) */
2843 ret = av_find_stream_info(ic);
2844 if (ret < 0 && verbose >= 0) {
2845 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2849 timestamp = start_time;
2850 /* add the stream start time */
2851 if (ic->start_time != AV_NOPTS_VALUE)
2852 timestamp += ic->start_time;
2854 /* if seeking requested, we execute it */
2855 if (start_time != 0) {
2856 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2858 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2859 filename, (double)timestamp / AV_TIME_BASE);
2861 /* reset seek info */
2865 /* update the current parameters so that they match the one of the input stream */
2866 for(i=0;i<ic->nb_streams;i++) {
2867 AVCodecContext *enc = ic->streams[i]->codec;
2869 avcodec_thread_init(enc, thread_count);
2870 enc->thread_count= thread_count;
2871 switch(enc->codec_type) {
2872 case CODEC_TYPE_AUDIO:
2873 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2874 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2875 channel_layout = enc->channel_layout;
2876 audio_channels = enc->channels;
2877 audio_sample_rate = enc->sample_rate;
2878 audio_sample_fmt = enc->sample_fmt;
2879 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2881 ic->streams[i]->discard= AVDISCARD_ALL;
2883 case CODEC_TYPE_VIDEO:
2884 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2885 frame_height = enc->height;
2886 frame_width = enc->width;
2887 if(ic->streams[i]->sample_aspect_ratio.num)
2888 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2890 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2891 frame_aspect_ratio *= (float) enc->width / enc->height;
2892 frame_pix_fmt = enc->pix_fmt;
2893 rfps = ic->streams[i]->r_frame_rate.num;
2894 rfps_base = ic->streams[i]->r_frame_rate.den;
2895 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2897 enc->debug |= FF_DEBUG_MV;
2899 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2902 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2903 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2905 (float)rfps / rfps_base, rfps, rfps_base);
2907 /* update the current frame rate to match the stream frame rate */
2908 frame_rate.num = rfps;
2909 frame_rate.den = rfps_base;
2911 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2913 ic->streams[i]->discard= AVDISCARD_ALL;
2914 else if(video_discard)
2915 ic->streams[i]->discard= video_discard;
2917 case CODEC_TYPE_DATA:
2919 case CODEC_TYPE_SUBTITLE:
2920 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2921 if(subtitle_disable)
2922 ic->streams[i]->discard = AVDISCARD_ALL;
2924 case CODEC_TYPE_ATTACHMENT:
2925 case CODEC_TYPE_UNKNOWN:
2933 input_files[nb_input_files] = ic;
2934 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2935 /* dump the file content */
2937 dump_format(ic, nb_input_files, filename, 0);
2940 file_iformat = NULL;
2941 file_oformat = NULL;
2945 av_freep(&video_codec_name);
2946 av_freep(&audio_codec_name);
2947 av_freep(&subtitle_codec_name);
2950 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2951 int *has_subtitle_ptr)
2953 int has_video, has_audio, has_subtitle, i, j;
2954 AVFormatContext *ic;
2959 for(j=0;j<nb_input_files;j++) {
2960 ic = input_files[j];
2961 for(i=0;i<ic->nb_streams;i++) {
2962 AVCodecContext *enc = ic->streams[i]->codec;
2963 switch(enc->codec_type) {
2964 case CODEC_TYPE_AUDIO:
2967 case CODEC_TYPE_VIDEO:
2970 case CODEC_TYPE_SUBTITLE:
2973 case CODEC_TYPE_DATA:
2974 case CODEC_TYPE_ATTACHMENT:
2975 case CODEC_TYPE_UNKNOWN:
2982 *has_video_ptr = has_video;
2983 *has_audio_ptr = has_audio;
2984 *has_subtitle_ptr = has_subtitle;
2987 static void new_video_stream(AVFormatContext *oc)
2990 AVCodecContext *video_enc;
2993 st = av_new_stream(oc, oc->nb_streams);
2995 fprintf(stderr, "Could not alloc stream\n");
2998 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2999 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3000 video_bitstream_filters= NULL;
3003 avcodec_thread_init(st->codec, thread_count);
3005 video_enc = st->codec;
3008 video_enc->codec_tag= video_codec_tag;
3010 if( (video_global_header&1)
3011 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3012 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3013 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3015 if(video_global_header&2){
3016 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3017 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3020 if (video_stream_copy) {
3021 st->stream_copy = 1;
3022 video_enc->codec_type = CODEC_TYPE_VIDEO;
3023 video_enc->sample_aspect_ratio =
3024 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3029 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3031 if (video_codec_name) {
3032 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3033 codec = avcodec_find_encoder_by_name(video_codec_name);
3034 output_codecs[nb_ocodecs] = codec;
3036 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3037 codec = avcodec_find_encoder(codec_id);
3040 video_enc->codec_id = codec_id;
3042 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3044 if (codec && codec->supported_framerates && !force_fps)
3045 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3046 video_enc->time_base.den = fps.num;
3047 video_enc->time_base.num = fps.den;
3049 video_enc->width = frame_width + frame_padright + frame_padleft;
3050 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3051 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3052 video_enc->pix_fmt = frame_pix_fmt;
3053 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3055 if(codec && codec->pix_fmts){
3056 const enum PixelFormat *p= codec->pix_fmts;
3058 if(*p == video_enc->pix_fmt)
3062 video_enc->pix_fmt = codec->pix_fmts[0];
3066 video_enc->gop_size = 0;
3067 if (video_qscale || same_quality) {
3068 video_enc->flags |= CODEC_FLAG_QSCALE;
3069 video_enc->global_quality=
3070 st->quality = FF_QP2LAMBDA * video_qscale;
3074 video_enc->intra_matrix = intra_matrix;
3076 video_enc->inter_matrix = inter_matrix;
3078 video_enc->thread_count = thread_count;
3079 p= video_rc_override_string;
3082 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3084 fprintf(stderr, "error parsing rc_override\n");
3087 video_enc->rc_override=
3088 av_realloc(video_enc->rc_override,
3089 sizeof(RcOverride)*(i+1));
3090 video_enc->rc_override[i].start_frame= start;
3091 video_enc->rc_override[i].end_frame = end;
3093 video_enc->rc_override[i].qscale= q;
3094 video_enc->rc_override[i].quality_factor= 1.0;
3097 video_enc->rc_override[i].qscale= 0;
3098 video_enc->rc_override[i].quality_factor= -q/100.0;
3103 video_enc->rc_override_count=i;
3104 if (!video_enc->rc_initial_buffer_occupancy)
3105 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3106 video_enc->me_threshold= me_threshold;
3107 video_enc->intra_dc_precision= intra_dc_precision - 8;
3110 video_enc->flags|= CODEC_FLAG_PSNR;
3115 video_enc->flags |= CODEC_FLAG_PASS1;
3117 video_enc->flags |= CODEC_FLAG_PASS2;
3123 /* reset some key parameters */
3125 av_freep(&video_codec_name);
3126 video_stream_copy = 0;
3129 static void new_audio_stream(AVFormatContext *oc)
3132 AVCodecContext *audio_enc;
3135 st = av_new_stream(oc, oc->nb_streams);
3137 fprintf(stderr, "Could not alloc stream\n");
3140 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3142 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3143 audio_bitstream_filters= NULL;
3146 avcodec_thread_init(st->codec, thread_count);
3148 audio_enc = st->codec;
3149 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3152 audio_enc->codec_tag= audio_codec_tag;
3154 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3155 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3156 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3158 if (audio_stream_copy) {
3159 st->stream_copy = 1;
3160 audio_enc->channels = audio_channels;
3164 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3166 if (audio_codec_name) {
3167 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3168 codec = avcodec_find_encoder_by_name(audio_codec_name);
3169 output_codecs[nb_ocodecs] = codec;
3171 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3172 codec = avcodec_find_encoder(codec_id);
3174 audio_enc->codec_id = codec_id;
3176 if (audio_qscale > QSCALE_NONE) {
3177 audio_enc->flags |= CODEC_FLAG_QSCALE;
3178 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3180 audio_enc->thread_count = thread_count;
3181 audio_enc->channels = audio_channels;
3182 audio_enc->sample_fmt = audio_sample_fmt;
3183 audio_enc->channel_layout = channel_layout;
3185 if(codec && codec->sample_fmts){
3186 const enum SampleFormat *p= codec->sample_fmts;
3188 if(*p == audio_enc->sample_fmt)
3192 audio_enc->sample_fmt = codec->sample_fmts[0];
3196 audio_enc->sample_rate = audio_sample_rate;
3197 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3198 if (audio_language) {
3199 av_metadata_set(&st->metadata, "language", audio_language);
3200 av_free(audio_language);
3201 audio_language = NULL;
3204 /* reset some key parameters */
3206 av_freep(&audio_codec_name);
3207 audio_stream_copy = 0;
3210 static void new_subtitle_stream(AVFormatContext *oc)
3213 AVCodecContext *subtitle_enc;
3215 st = av_new_stream(oc, oc->nb_streams);
3217 fprintf(stderr, "Could not alloc stream\n");
3220 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3222 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3223 subtitle_bitstream_filters= NULL;
3225 subtitle_enc = st->codec;
3226 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3227 if (subtitle_stream_copy) {
3228 st->stream_copy = 1;
3230 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3231 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3232 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3236 if (subtitle_language) {
3237 av_metadata_set(&st->metadata, "language", subtitle_language);
3238 av_free(subtitle_language);
3239 subtitle_language = NULL;
3242 subtitle_disable = 0;
3243 av_freep(&subtitle_codec_name);
3244 subtitle_stream_copy = 0;
3247 static void opt_new_audio_stream(void)
3249 AVFormatContext *oc;
3250 if (nb_output_files <= 0) {
3251 fprintf(stderr, "At least one output file must be specified\n");
3254 oc = output_files[nb_output_files - 1];
3255 new_audio_stream(oc);
3258 static void opt_new_video_stream(void)
3260 AVFormatContext *oc;
3261 if (nb_output_files <= 0) {
3262 fprintf(stderr, "At least one output file must be specified\n");
3265 oc = output_files[nb_output_files - 1];
3266 new_video_stream(oc);
3269 static void opt_new_subtitle_stream(void)
3271 AVFormatContext *oc;
3272 if (nb_output_files <= 0) {
3273 fprintf(stderr, "At least one output file must be specified\n");
3276 oc = output_files[nb_output_files - 1];
3277 new_subtitle_stream(oc);
3280 static void opt_output_file(const char *filename)
3282 AVFormatContext *oc;
3283 int use_video, use_audio, use_subtitle;
3284 int input_has_video, input_has_audio, input_has_subtitle;
3285 AVFormatParameters params, *ap = ¶ms;
3287 if (!strcmp(filename, "-"))
3290 oc = avformat_alloc_context();
3292 if (!file_oformat) {
3293 file_oformat = guess_format(NULL, filename, NULL);
3294 if (!file_oformat) {
3295 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3301 oc->oformat = file_oformat;
3302 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3304 if (!strcmp(file_oformat->name, "ffm") &&
3305 av_strstart(filename, "http:", NULL)) {
3306 /* special case for files sent to ffserver: we get the stream
3307 parameters from ffserver */
3308 int err = read_ffserver_streams(oc, filename);
3310 print_error(filename, err);
3314 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3315 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3316 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3318 /* disable if no corresponding type found and at least one
3320 if (nb_input_files > 0) {
3321 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3322 &input_has_subtitle);
3323 if (!input_has_video)
3325 if (!input_has_audio)
3327 if (!input_has_subtitle)
3331 /* manual disable */
3332 if (audio_disable) {
3335 if (video_disable) {
3338 if (subtitle_disable) {
3343 new_video_stream(oc);
3347 new_audio_stream(oc);
3351 new_subtitle_stream(oc);
3354 oc->timestamp = rec_timestamp;
3356 for(; metadata_count>0; metadata_count--){
3357 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3358 metadata[metadata_count-1].value);
3360 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3363 output_files[nb_output_files++] = oc;
3365 /* check filename in case of an image number is expected */
3366 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3367 if (!av_filename_number_test(oc->filename)) {
3368 print_error(oc->filename, AVERROR_NUMEXPECTED);
3373 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3374 /* test if it already exists to avoid loosing precious files */
3375 if (!file_overwrite &&
3376 (strchr(filename, ':') == NULL ||
3377 filename[1] == ':' ||
3378 av_strstart(filename, "file:", NULL))) {
3379 if (url_exist(filename)) {
3383 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3386 if (toupper(c) != 'Y') {
3387 fprintf(stderr, "Not overwriting - exiting\n");
3392 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3399 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3400 fprintf(stderr, "Could not open '%s'\n", filename);
3405 memset(ap, 0, sizeof(*ap));
3406 if (av_set_parameters(oc, ap) < 0) {
3407 fprintf(stderr, "%s: Invalid encoding parameters\n",
3412 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3413 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3414 oc->loop_output = loop_output;
3416 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3418 /* reset some options */
3419 file_oformat = NULL;
3420 file_iformat = NULL;
3423 /* same option as mencoder */
3424 static void opt_pass(const char *pass_str)
3427 pass = atoi(pass_str);
3428 if (pass != 1 && pass != 2) {
3429 fprintf(stderr, "pass number can be only 1 or 2\n");
3435 static int64_t getutime(void)
3438 struct rusage rusage;
3440 getrusage(RUSAGE_SELF, &rusage);
3441 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3442 #elif HAVE_GETPROCESSTIMES
3444 FILETIME c, e, k, u;
3445 proc = GetCurrentProcess();
3446 GetProcessTimes(proc, &c, &e, &k, &u);
3447 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3449 return av_gettime();
3453 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3456 const char *p = str;
3463 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3470 static void opt_inter_matrix(const char *arg)
3472 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3473 parse_matrix_coeffs(inter_matrix, arg);
3476 static void opt_intra_matrix(const char *arg)
3478 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3479 parse_matrix_coeffs(intra_matrix, arg);
3483 * Trivial log callback.
3484 * Only suitable for show_help and similar since it lacks prefix handling.
3486 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3488 vfprintf(stdout, fmt, vl);
3491 static void show_help(void)
3493 av_log_set_callback(log_callback_help);
3494 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3495 "Hyper fast Audio and Video encoder\n");
3497 show_help_options(options, "Main options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3499 show_help_options(options, "\nAdvanced options:\n",
3500 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3502 show_help_options(options, "\nVideo options:\n",
3503 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 show_help_options(options, "\nAdvanced Video options:\n",
3506 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3507 OPT_VIDEO | OPT_EXPERT);
3508 show_help_options(options, "\nAudio options:\n",
3509 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3511 show_help_options(options, "\nAdvanced Audio options:\n",
3512 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3513 OPT_AUDIO | OPT_EXPERT);
3514 show_help_options(options, "\nSubtitle options:\n",
3515 OPT_SUBTITLE | OPT_GRAB,
3517 show_help_options(options, "\nAudio/Video grab options:\n",
3521 av_opt_show(avctx_opts[0], NULL);
3523 av_opt_show(avformat_opts, NULL);
3525 av_opt_show(sws_opts, NULL);
3528 static void opt_target(const char *arg)
3531 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3533 if(!strncmp(arg, "pal-", 4)) {
3536 } else if(!strncmp(arg, "ntsc-", 5)) {
3539 } else if(!strncmp(arg, "film-", 5)) {
3544 /* Calculate FR via float to avoid int overflow */
3545 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3548 } else if((fr == 29970) || (fr == 23976)) {
3551 /* Try to determine PAL/NTSC by peeking in the input files */
3552 if(nb_input_files) {
3554 for(j = 0; j < nb_input_files; j++) {
3555 for(i = 0; i < input_files[j]->nb_streams; i++) {
3556 AVCodecContext *c = input_files[j]->streams[i]->codec;
3557 if(c->codec_type != CODEC_TYPE_VIDEO)
3559 fr = c->time_base.den * 1000 / c->time_base.num;
3563 } else if((fr == 29970) || (fr == 23976)) {
3573 if(verbose && norm >= 0)
3574 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3578 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3579 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3580 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3584 if(!strcmp(arg, "vcd")) {
3586 opt_video_codec("mpeg1video");
3587 opt_audio_codec("mp2");
3590 opt_frame_size(norm ? "352x240" : "352x288");
3591 opt_frame_rate(NULL, frame_rates[norm]);
3592 opt_default("gop", norm ? "18" : "15");
3594 opt_default("b", "1150000");
3595 opt_default("maxrate", "1150000");
3596 opt_default("minrate", "1150000");
3597 opt_default("bufsize", "327680"); // 40*1024*8;
3599 opt_default("ab", "224000");
3600 audio_sample_rate = 44100;
3603 opt_default("packetsize", "2324");
3604 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3606 /* We have to offset the PTS, so that it is consistent with the SCR.
3607 SCR starts at 36000, but the first two packs contain only padding
3608 and the first pack from the other stream, respectively, may also have
3609 been written before.
3610 So the real data starts at SCR 36000+3*1200. */
3611 mux_preload= (36000+3*1200) / 90000.0; //0.44
3612 } else if(!strcmp(arg, "svcd")) {
3614 opt_video_codec("mpeg2video");
3615 opt_audio_codec("mp2");
3618 opt_frame_size(norm ? "480x480" : "480x576");
3619 opt_frame_rate(NULL, frame_rates[norm]);
3620 opt_default("gop", norm ? "18" : "15");
3622 opt_default("b", "2040000");
3623 opt_default("maxrate", "2516000");
3624 opt_default("minrate", "0"); //1145000;
3625 opt_default("bufsize", "1835008"); //224*1024*8;
3626 opt_default("flags", "+scan_offset");
3629 opt_default("ab", "224000");
3630 audio_sample_rate = 44100;
3632 opt_default("packetsize", "2324");
3634 } else if(!strcmp(arg, "dvd")) {
3636 opt_video_codec("mpeg2video");
3637 opt_audio_codec("ac3");
3640 opt_frame_size(norm ? "720x480" : "720x576");
3641 opt_frame_rate(NULL, frame_rates[norm]);
3642 opt_default("gop", norm ? "18" : "15");
3644 opt_default("b", "6000000");
3645 opt_default("maxrate", "9000000");
3646 opt_default("minrate", "0"); //1500000;
3647 opt_default("bufsize", "1835008"); //224*1024*8;
3649 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3650 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3652 opt_default("ab", "448000");
3653 audio_sample_rate = 48000;
3655 } else if(!strncmp(arg, "dv", 2)) {
3659 opt_frame_size(norm ? "720x480" : "720x576");
3660 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3661 (norm ? "yuv411p" : "yuv420p"));
3662 opt_frame_rate(NULL, frame_rates[norm]);
3664 audio_sample_rate = 48000;
3668 fprintf(stderr, "Unknown target: %s\n", arg);
3673 static void opt_vstats_file (const char *arg)
3675 av_free (vstats_filename);
3676 vstats_filename=av_strdup (arg);
3679 static void opt_vstats (void)
3682 time_t today2 = time(NULL);
3683 struct tm *today = localtime(&today2);
3685 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3687 opt_vstats_file(filename);
3690 static int opt_bsf(const char *opt, const char *arg)
3692 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3693 AVBitStreamFilterContext **bsfp;
3696 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3700 bsfp= *opt == 'v' ? &video_bitstream_filters :
3701 *opt == 'a' ? &audio_bitstream_filters :
3702 &subtitle_bitstream_filters;
3704 bsfp= &(*bsfp)->next;
3711 static int opt_preset(const char *opt, const char *arg)
3714 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3716 const char *base[2]= { getenv("HOME"),
3720 for(i=!base[0]; i<2 && !f; i++){
3721 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3722 f= fopen(filename, "r");
3724 char *codec_name= *opt == 'v' ? video_codec_name :
3725 *opt == 'a' ? audio_codec_name :
3726 subtitle_codec_name;
3727 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3728 f= fopen(filename, "r");
3731 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3733 av_strlcpy(filename, arg, sizeof(filename));
3734 f= fopen(filename, "r");
3738 fprintf(stderr, "File for preset '%s' not found\n", arg);
3743 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3744 if(line[0] == '#' && !e)
3746 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3748 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3751 if(!strcmp(tmp, "acodec")){
3752 opt_audio_codec(tmp2);
3753 }else if(!strcmp(tmp, "vcodec")){
3754 opt_video_codec(tmp2);
3755 }else if(!strcmp(tmp, "scodec")){
3756 opt_subtitle_codec(tmp2);
3757 }else if(opt_default(tmp, tmp2) < 0){
3758 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3768 static const OptionDef options[] = {
3770 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3771 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3772 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3773 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3774 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3775 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3776 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3777 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3778 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3779 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3780 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3781 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3782 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3783 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3784 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3785 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
3786 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3787 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3788 "add timings for benchmarking" },
3789 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3790 "dump each input packet" },
3791 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3792 "when dumping packets, also dump the payload" },
3793 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3794 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3795 { "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)", "" },
3796 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3797 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3798 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3799 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3800 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3801 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3802 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3803 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3804 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3805 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3806 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3807 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3808 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3811 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3812 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3813 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3814 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3815 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3816 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3817 { "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" },
3818 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3819 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3820 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3821 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3822 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3823 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3824 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3825 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3826 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3827 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3828 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3829 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3830 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3831 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3832 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3833 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3834 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3835 "use same video quality as source (implies VBR)" },
3836 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3837 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3838 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3839 "deinterlace pictures" },
3840 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3841 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3842 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3844 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3846 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3847 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3848 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3849 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3850 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3851 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3852 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3853 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3856 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3857 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3858 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3859 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3860 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3861 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3862 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3863 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3864 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3865 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3866 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3867 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
3869 /* subtitle options */
3870 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3871 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3872 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3873 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3876 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3877 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3878 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3881 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3882 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3884 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3885 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3886 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3888 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3889 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3890 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3892 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3896 int main(int argc, char **argv)
3901 avcodec_register_all();
3902 avdevice_register_all();
3905 if(isatty(STDIN_FILENO))
3906 url_set_interrupt_cb(decode_interrupt_cb);
3908 for(i=0; i<CODEC_TYPE_NB; i++){
3909 avctx_opts[i]= avcodec_alloc_context2(i);
3911 avformat_opts = avformat_alloc_context();
3912 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3917 parse_options(argc, argv, options, opt_output_file);
3919 /* file converter / grab */
3920 if (nb_output_files <= 0) {
3921 fprintf(stderr, "At least one output file must be specified\n");
3925 if (nb_input_files == 0) {
3926 fprintf(stderr, "At least one input file must be specified\n");
3931 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3932 stream_maps, nb_stream_maps) < 0)
3934 ti = getutime() - ti;
3936 printf("bench: utime=%0.3fs\n", ti / 1000000.0);