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 500
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 #ifdef HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif defined(HAVE_GETPROCESSTIMES)
51 #if defined(HAVE_TERMIOS_H)
53 #include <sys/ioctl.h>
56 #elif defined(HAVE_CONIO_H)
59 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
69 const char program_name[] = "FFmpeg";
70 const int program_birth_year = 2000;
72 /* select an input stream for an output stream */
73 typedef struct AVStreamMap {
77 int sync_stream_index;
80 /** select an input file for an output file */
81 typedef struct AVMetaDataMap {
86 static const OptionDef options[];
90 static AVFormatContext *input_files[MAX_FILES];
91 static int64_t input_files_ts_offset[MAX_FILES];
92 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
93 static int nb_input_files = 0;
95 static AVFormatContext *output_files[MAX_FILES];
96 static int nb_output_files = 0;
98 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
99 static int nb_stream_maps;
101 static AVMetaDataMap meta_data_maps[MAX_FILES];
102 static int nb_meta_data_maps;
104 static AVInputFormat *file_iformat;
105 static AVOutputFormat *file_oformat;
106 static int frame_width = 0;
107 static int frame_height = 0;
108 static float frame_aspect_ratio = 0;
109 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
110 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
111 static int frame_padtop = 0;
112 static int frame_padbottom = 0;
113 static int frame_padleft = 0;
114 static int frame_padright = 0;
115 static int padcolor[3] = {16,128,128}; /* default to black */
116 static int frame_topBand = 0;
117 static int frame_bottomBand = 0;
118 static int frame_leftBand = 0;
119 static int frame_rightBand = 0;
120 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
121 static AVRational frame_rate;
122 static float video_qscale = 0;
123 static uint16_t *intra_matrix = NULL;
124 static uint16_t *inter_matrix = NULL;
125 #if 0 //experimental, (can be removed)
126 static float video_rc_qsquish=1.0;
127 static float video_rc_qmod_amp=0;
128 static int video_rc_qmod_freq=0;
130 static const char *video_rc_override_string=NULL;
131 static int video_disable = 0;
132 static int video_discard = 0;
133 static char *video_codec_name = NULL;
134 static int video_codec_tag = 0;
135 static int same_quality = 0;
136 static int do_deinterlace = 0;
137 static int top_field_first = -1;
138 static int me_threshold = 0;
139 static int intra_dc_precision = 8;
140 static int loop_input = 0;
141 static int loop_output = AVFMT_NOOUTPUTLOOP;
142 static int qp_hist = 0;
144 static int intra_only = 0;
145 static int audio_sample_rate = 44100;
146 #define QSCALE_NONE -99999
147 static float audio_qscale = QSCALE_NONE;
148 static int audio_disable = 0;
149 static int audio_channels = 1;
150 static char *audio_codec_name = NULL;
151 static int audio_codec_tag = 0;
152 static char *audio_language = NULL;
154 static int subtitle_disable = 0;
155 static char *subtitle_codec_name = NULL;
156 static char *subtitle_language = NULL;
158 static float mux_preload= 0.5;
159 static float mux_max_delay= 0.7;
161 static int64_t recording_time = INT64_MAX;
162 static int64_t start_time = 0;
163 static int64_t rec_timestamp = 0;
164 static int64_t input_ts_offset = 0;
165 static int file_overwrite = 0;
166 static char *str_title = NULL;
167 static char *str_author = NULL;
168 static char *str_copyright = NULL;
169 static char *str_comment = NULL;
170 static char *str_genre = NULL;
171 static char *str_album = NULL;
172 static int do_benchmark = 0;
173 static int do_hex_dump = 0;
174 static int do_pkt_dump = 0;
175 static int do_psnr = 0;
176 static int do_pass = 0;
177 static char *pass_logfilename = NULL;
178 static int audio_stream_copy = 0;
179 static int video_stream_copy = 0;
180 static int subtitle_stream_copy = 0;
181 static int video_sync_method= -1;
182 static int audio_sync_method= 0;
183 static float audio_drift_threshold= 0.1;
184 static int copy_ts= 0;
185 static int opt_shortest = 0; //
186 static int video_global_header = 0;
187 static char *vstats_filename;
188 static FILE *vstats_file;
189 static int opt_programid = 0;
191 static int rate_emu = 0;
193 static int video_channel = 0;
194 static char *video_standard;
196 static int audio_volume = 256;
198 static int using_stdin = 0;
199 static int using_vhook = 0;
200 static int verbose = 1;
201 static int thread_count= 1;
202 static int q_pressed = 0;
203 static int64_t video_size = 0;
204 static int64_t audio_size = 0;
205 static int64_t extra_size = 0;
206 static int nb_frames_dup = 0;
207 static int nb_frames_drop = 0;
208 static int input_sync;
209 static uint64_t limit_filesize = 0; //
211 static int pgmyuv_compatibility_hack=0;
212 static float dts_delta_threshold = 10;
214 static unsigned int sws_flags = SWS_BICUBIC;
216 static const char **opt_names;
217 static int opt_name_count;
218 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
219 static AVFormatContext *avformat_opts;
220 static struct SwsContext *sws_opts;
221 static int64_t timer_start;
223 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
226 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
228 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
230 struct AVInputStream;
232 typedef struct AVOutputStream {
233 int file_index; /* file index */
234 int index; /* stream index in the output file */
235 int source_index; /* AVInputStream index */
236 AVStream *st; /* stream in the output file */
237 int encoding_needed; /* true if encoding needed for this stream */
239 /* input pts and corresponding output pts
241 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
242 struct AVInputStream *sync_ist; /* input stream to sync against */
243 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
246 AVFrame pict_tmp; /* temporary image for resampling */
247 struct SwsContext *img_resample_ctx; /* for image resampling */
251 int topBand; /* cropping area sizes */
255 int padtop; /* padding area sizes */
262 ReSampleContext *resample; /* for audio resampling */
264 AVAudioConvert *reformat_ctx;
265 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
269 typedef struct AVInputStream {
273 int discard; /* true if stream data should be discarded */
274 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
275 int64_t sample_index; /* current sample */
277 int64_t start; /* time when read started */
278 unsigned long frame; /* current frame */
279 int64_t next_pts; /* synthetic pts for cases where pkt.pts
281 int64_t pts; /* current pts */
282 int is_start; /* is 1 at the start and after a discontinuity */
285 typedef struct AVInputFile {
286 int eof_reached; /* true if eof reached */
287 int ist_index; /* index of first stream in ist_table */
288 int buffer_size; /* current total buffer size */
289 int nb_streams; /* nb streams we are aware of */
292 #ifdef HAVE_TERMIOS_H
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty;
298 static void term_exit(void)
300 #ifdef HAVE_TERMIOS_H
301 tcsetattr (0, TCSANOW, &oldtty);
305 static volatile sig_atomic_t received_sigterm = 0;
308 sigterm_handler(int sig)
310 received_sigterm = sig;
314 static void term_init(void)
316 #ifdef HAVE_TERMIOS_H
322 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
323 |INLCR|IGNCR|ICRNL|IXON);
324 tty.c_oflag |= OPOST;
325 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
326 tty.c_cflag &= ~(CSIZE|PARENB);
331 tcsetattr (0, TCSANOW, &tty);
332 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
335 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
336 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
338 register a function to be called at normal program termination
341 #ifdef CONFIG_BEOS_NETSERVER
342 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
346 /* read a key without blocking */
347 static int read_key(void)
349 #if defined(HAVE_TERMIOS_H)
352 #ifndef CONFIG_BEOS_NETSERVER
360 n = select(1, &rfds, NULL, NULL, &tv);
369 #elif defined(HAVE_CONIO_H)
376 static int decode_interrupt_cb(void)
378 return q_pressed || (q_pressed = read_key() == 'q');
381 static int av_exit(int ret)
386 for(i=0;i<nb_output_files;i++) {
387 /* maybe av_close_output_file ??? */
388 AVFormatContext *s = output_files[i];
390 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
392 for(j=0;j<s->nb_streams;j++) {
393 av_free(s->streams[j]->codec);
394 av_free(s->streams[j]);
398 for(i=0;i<nb_input_files;i++)
399 av_close_input_file(input_files[i]);
401 av_free(intra_matrix);
402 av_free(inter_matrix);
406 av_free(vstats_filename);
410 av_free(video_codec_name);
411 av_free(audio_codec_name);
412 av_free(subtitle_codec_name);
414 av_free(video_standard);
416 #ifdef CONFIG_POWERPC_PERF
417 extern void powerpc_display_perf_report(void);
418 powerpc_display_perf_report();
419 #endif /* CONFIG_POWERPC_PERF */
421 if (received_sigterm) {
423 "Received signal %d: terminating.\n",
424 (int) received_sigterm);
428 exit(ret); /* not all OS-es handle main() return value */
432 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
438 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
441 /* copy stream format */
442 s->nb_streams = ic->nb_streams;
443 for(i=0;i<ic->nb_streams;i++) {
446 // FIXME: a more elegant solution is needed
447 st = av_mallocz(sizeof(AVStream));
448 memcpy(st, ic->streams[i], sizeof(AVStream));
449 st->codec = avcodec_alloc_context();
450 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
453 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
455 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
458 if(!st->codec->thread_count)
459 st->codec->thread_count = 1;
460 if(st->codec->thread_count>1)
461 avcodec_thread_init(st->codec, st->codec->thread_count);
463 if(st->codec->flags & CODEC_FLAG_BITEXACT)
468 s->timestamp = av_gettime();
470 av_close_input_file(ic);
475 get_sync_ipts(const AVOutputStream *ost)
477 const AVInputStream *ist = ost->sync_ist;
478 return (double)(ist->pts - start_time)/AV_TIME_BASE;
481 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
485 AVPacket new_pkt= *pkt;
486 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
487 &new_pkt.data, &new_pkt.size,
488 pkt->data, pkt->size,
489 pkt->flags & PKT_FLAG_KEY);
492 new_pkt.destruct= av_destruct_packet;
494 fprintf(stderr, "%s failed for stream %d, codec %s",
495 bsfc->filter->name, pkt->stream_index,
496 avctx->codec ? avctx->codec->name : "copy");
504 ret= av_interleaved_write_frame(s, pkt);
506 print_error("av_interleaved_write_frame()", ret);
511 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
513 static void do_audio_out(AVFormatContext *s,
516 unsigned char *buf, int size)
519 static uint8_t *audio_buf = NULL;
520 static uint8_t *audio_out = NULL;
521 static uint8_t *audio_out2 = NULL;
522 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
524 int size_out, frame_bytes, ret;
525 AVCodecContext *enc= ost->st->codec;
526 AVCodecContext *dec= ist->st->codec;
527 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
528 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
530 /* SC: dynamic allocation of buffers */
532 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
534 audio_out = av_malloc(audio_out_size);
535 if (!audio_buf || !audio_out)
536 return; /* Should signal an error ! */
538 if (enc->channels != dec->channels)
539 ost->audio_resample = 1;
541 if (ost->audio_resample && !ost->resample) {
542 if (dec->sample_fmt != SAMPLE_FMT_S16) {
543 fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
546 ost->resample = audio_resample_init(enc->channels, dec->channels,
547 enc->sample_rate, dec->sample_rate);
548 if (!ost->resample) {
549 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
550 dec->channels, dec->sample_rate,
551 enc->channels, enc->sample_rate);
556 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
557 if (dec->sample_fmt!=enc->sample_fmt &&
558 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
560 audio_out2 = av_malloc(audio_out_size);
563 if (ost->reformat_ctx)
564 av_audio_convert_free(ost->reformat_ctx);
565 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
566 dec->sample_fmt, 1, NULL, 0);
567 if (!ost->reformat_ctx) {
568 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
569 avcodec_get_sample_fmt_name(dec->sample_fmt),
570 avcodec_get_sample_fmt_name(enc->sample_fmt));
573 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
576 if(audio_sync_method){
577 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
578 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
579 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
580 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
582 //FIXME resample delay
583 if(fabs(delta) > 50){
584 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
586 byte_delta= FFMAX(byte_delta, -size);
590 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
595 static uint8_t *input_tmp= NULL;
596 input_tmp= av_realloc(input_tmp, byte_delta + size);
598 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
601 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
603 memset(input_tmp, 0, byte_delta);
604 memcpy(input_tmp + byte_delta, buf, size);
608 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
610 }else if(audio_sync_method>1){
611 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
612 assert(ost->audio_resample);
614 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
615 // 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));
616 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
620 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
621 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
623 if (ost->audio_resample) {
625 size_out = audio_resample(ost->resample,
626 (short *)buftmp, (short *)buf,
627 size / (ist->st->codec->channels * isize));
628 size_out = size_out * enc->channels * osize;
634 if (dec->sample_fmt!=enc->sample_fmt) {
635 const void *ibuf[6]= {buftmp};
636 void *obuf[6]= {audio_out2};
637 int istride[6]= {isize};
638 int ostride[6]= {osize};
639 int len= size_out/istride[0];
640 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
641 printf("av_audio_convert() failed\n");
645 size_out = len*osize;
648 /* now encode as many frames as possible */
649 if (enc->frame_size > 1) {
650 /* output resampled raw samples */
651 if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
652 fprintf(stderr, "av_fifo_realloc2() failed\n");
655 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
657 frame_bytes = enc->frame_size * osize * enc->channels;
659 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
661 av_init_packet(&pkt);
663 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
665 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
667 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
670 pkt.stream_index= ost->index;
673 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
674 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
675 pkt.flags |= PKT_FLAG_KEY;
676 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
678 ost->sync_opts += enc->frame_size;
682 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
683 av_init_packet(&pkt);
685 ost->sync_opts += size_out / (osize * enc->channels);
687 /* output a pcm frame */
688 /* determine the size of the coded buffer */
691 size_out *= coded_bps;
693 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
694 ret = avcodec_encode_audio(enc, audio_out, size_out,
697 pkt.stream_index= ost->index;
700 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
701 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
702 pkt.flags |= PKT_FLAG_KEY;
703 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
707 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
711 AVPicture picture_tmp;
714 dec = ist->st->codec;
716 /* deinterlace : must be done before any resize */
717 if (do_deinterlace || using_vhook) {
720 /* create temporary picture */
721 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
722 buf = av_malloc(size);
726 picture2 = &picture_tmp;
727 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
730 if(avpicture_deinterlace(picture2, picture,
731 dec->pix_fmt, dec->width, dec->height) < 0) {
732 /* if error, do not deinterlace */
738 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
745 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
746 1000000 * ist->pts / AV_TIME_BASE);
748 if (picture != picture2)
749 *picture = *picture2;
753 /* we begin to correct av delay at this threshold */
754 #define AV_DELAY_MAX 0.100
756 static void do_subtitle_out(AVFormatContext *s,
762 static uint8_t *subtitle_out = NULL;
763 int subtitle_out_max_size = 65536;
764 int subtitle_out_size, nb, i;
768 if (pts == AV_NOPTS_VALUE) {
769 fprintf(stderr, "Subtitle packets must have a pts\n");
773 enc = ost->st->codec;
776 subtitle_out = av_malloc(subtitle_out_max_size);
779 /* Note: DVB subtitle need one packet to draw them and one other
780 packet to clear them */
781 /* XXX: signal it in the codec context ? */
782 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
787 for(i = 0; i < nb; i++) {
788 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
789 subtitle_out_max_size, sub);
791 av_init_packet(&pkt);
792 pkt.stream_index = ost->index;
793 pkt.data = subtitle_out;
794 pkt.size = subtitle_out_size;
795 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
796 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
797 /* XXX: the pts correction is handled here. Maybe handling
798 it in the codec would be better */
800 pkt.pts += 90 * sub->start_display_time;
802 pkt.pts += 90 * sub->end_display_time;
804 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
808 static int bit_buffer_size= 1024*256;
809 static uint8_t *bit_buffer= NULL;
811 static void do_video_out(AVFormatContext *s,
817 int nb_frames, i, ret;
818 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
819 AVFrame picture_crop_temp, picture_pad_temp;
820 AVCodecContext *enc, *dec;
822 avcodec_get_frame_defaults(&picture_crop_temp);
823 avcodec_get_frame_defaults(&picture_pad_temp);
825 enc = ost->st->codec;
826 dec = ist->st->codec;
828 /* by default, we output a single frame */
833 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
835 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
836 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
839 else if (video_sync_method == 2)
840 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
841 else if (vdelta > 1.1)
842 nb_frames = lrintf(vdelta);
843 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
847 fprintf(stderr, "*** drop!\n");
848 }else if (nb_frames > 1) {
849 nb_frames_dup += nb_frames;
851 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
854 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
856 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
860 if (ost->video_crop) {
861 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
862 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
865 formatted_picture = &picture_crop_temp;
867 formatted_picture = in_picture;
870 final_picture = formatted_picture;
871 padding_src = formatted_picture;
872 resampling_dst = &ost->pict_tmp;
873 if (ost->video_pad) {
874 final_picture = &ost->pict_tmp;
875 if (ost->video_resample) {
876 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
877 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
880 resampling_dst = &picture_pad_temp;
884 if (ost->video_resample) {
886 final_picture = &ost->pict_tmp;
887 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
888 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
891 if (ost->video_pad) {
892 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
893 enc->height, enc->width, enc->pix_fmt,
894 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
897 /* duplicates frame if needed */
898 for(i=0;i<nb_frames;i++) {
900 av_init_packet(&pkt);
901 pkt.stream_index= ost->index;
903 if (s->oformat->flags & AVFMT_RAWPICTURE) {
904 /* raw pictures are written as AVPicture structure to
905 avoid any copies. We support temorarily the older
907 AVFrame* old_frame = enc->coded_frame;
908 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
909 pkt.data= (uint8_t *)final_picture;
910 pkt.size= sizeof(AVPicture);
911 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
912 pkt.flags |= PKT_FLAG_KEY;
914 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
915 enc->coded_frame = old_frame;
919 big_picture= *final_picture;
920 /* better than nothing: use input picture interlaced
922 big_picture.interlaced_frame = in_picture->interlaced_frame;
923 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
924 if(top_field_first == -1)
925 big_picture.top_field_first = in_picture->top_field_first;
927 big_picture.top_field_first = top_field_first;
930 /* handles sameq here. This is not correct because it may
931 not be a global option */
933 big_picture.quality = ist->st->quality;
935 big_picture.quality = ost->st->quality;
937 big_picture.pict_type = 0;
938 // big_picture.pts = AV_NOPTS_VALUE;
939 big_picture.pts= ost->sync_opts;
940 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
941 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
942 ret = avcodec_encode_video(enc,
943 bit_buffer, bit_buffer_size,
946 fprintf(stderr, "Video encoding failed\n");
949 //enc->frame_number = enc->real_pict_num;
951 pkt.data= bit_buffer;
953 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
954 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
955 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
956 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
957 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
959 if(enc->coded_frame->key_frame)
960 pkt.flags |= PKT_FLAG_KEY;
961 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
964 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
965 // enc->frame_number-1, enc->real_pict_num, ret,
967 /* if two pass, output log */
968 if (ost->logfile && enc->stats_out) {
969 fprintf(ost->logfile, "%s", enc->stats_out);
978 static double psnr(double d){
979 return -10.0*log(d)/log(10.0);
982 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
987 double ti1, bitrate, avg_bitrate;
989 /* this is executed just the first time do_video_stats is called */
991 vstats_file = fopen(vstats_filename, "w");
998 enc = ost->st->codec;
999 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1000 frame_number = ost->frame_number;
1001 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1002 if (enc->flags&CODEC_FLAG_PSNR)
1003 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1005 fprintf(vstats_file,"f_size= %6d ", frame_size);
1006 /* compute pts value */
1007 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1011 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1012 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1013 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1014 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1015 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1019 static void print_report(AVFormatContext **output_files,
1020 AVOutputStream **ost_table, int nb_ostreams,
1024 AVOutputStream *ost;
1025 AVFormatContext *oc, *os;
1027 AVCodecContext *enc;
1028 int frame_number, vid, i;
1029 double bitrate, ti1, pts;
1030 static int64_t last_time = -1;
1031 static int qp_histogram[52];
1033 if (!is_last_report) {
1035 /* display the report every 0.5 seconds */
1036 cur_time = av_gettime();
1037 if (last_time == -1) {
1038 last_time = cur_time;
1041 if ((cur_time - last_time) < 500000)
1043 last_time = cur_time;
1047 oc = output_files[0];
1049 total_size = url_fsize(oc->pb);
1050 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1051 total_size= url_ftell(oc->pb);
1056 for(i=0;i<nb_ostreams;i++) {
1058 os = output_files[ost->file_index];
1059 enc = ost->st->codec;
1060 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1061 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1062 !ost->st->stream_copy ?
1063 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1065 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1066 float t = (av_gettime()-timer_start) / 1000000.0;
1068 frame_number = ost->frame_number;
1069 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1070 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1071 !ost->st->stream_copy ?
1072 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1074 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1077 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1078 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1081 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1083 if (enc->flags&CODEC_FLAG_PSNR){
1085 double error, error_sum=0;
1086 double scale, scale_sum=0;
1087 char type[3]= {'Y','U','V'};
1088 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1091 error= enc->error[j];
1092 scale= enc->width*enc->height*255.0*255.0*frame_number;
1094 error= enc->coded_frame->error[j];
1095 scale= enc->width*enc->height*255.0*255.0;
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1102 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1106 /* compute min output value */
1107 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1108 if ((pts < ti1) && (pts > 0))
1114 if (verbose || is_last_report) {
1115 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1117 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1118 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1119 (double)total_size / 1024, ti1, bitrate);
1122 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1123 nb_frames_dup, nb_frames_drop);
1126 fprintf(stderr, "%s \r", buf);
1131 if (is_last_report && verbose >= 0){
1132 int64_t raw= audio_size + video_size + extra_size;
1133 fprintf(stderr, "\n");
1134 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1138 100.0*(total_size - raw)/raw
1143 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1144 static int output_packet(AVInputStream *ist, int ist_index,
1145 AVOutputStream **ost_table, int nb_ostreams,
1146 const AVPacket *pkt)
1148 AVFormatContext *os;
1149 AVOutputStream *ost;
1153 int data_size, got_picture;
1155 void *buffer_to_free;
1156 static unsigned int samples_size= 0;
1157 static short *samples= NULL;
1158 AVSubtitle subtitle, *subtitle_to_free;
1161 if(ist->next_pts == AV_NOPTS_VALUE)
1162 ist->next_pts= ist->pts;
1171 if(pkt->dts != AV_NOPTS_VALUE)
1172 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1177 //while we have more to decode or while the decoder did output something on EOF
1178 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1180 ist->pts= ist->next_pts;
1182 if(len && len != pkt->size && verbose>0)
1183 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1185 /* decode the packet if needed */
1186 data_buf = NULL; /* fail safe */
1188 subtitle_to_free = NULL;
1189 if (ist->decoding_needed) {
1190 switch(ist->st->codec->codec_type) {
1191 case CODEC_TYPE_AUDIO:{
1192 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1193 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1195 samples= av_malloc(samples_size);
1197 data_size= samples_size;
1198 /* XXX: could avoid copy if PCM 16 bits with same
1199 endianness as CPU */
1200 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1206 /* Some bug in mpeg audio decoder gives */
1207 /* data_size < 0, it seems they are overflows */
1208 if (data_size <= 0) {
1209 /* no audio frame */
1212 data_buf = (uint8_t *)samples;
1213 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1214 (ist->st->codec->sample_rate * ist->st->codec->channels);
1216 case CODEC_TYPE_VIDEO:
1217 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1218 /* XXX: allocate picture correctly */
1219 avcodec_get_frame_defaults(&picture);
1221 ret = avcodec_decode_video(ist->st->codec,
1222 &picture, &got_picture, ptr, len);
1223 ist->st->quality= picture.quality;
1227 /* no picture yet */
1228 goto discard_packet;
1230 if (ist->st->codec->time_base.num != 0) {
1231 ist->next_pts += ((int64_t)AV_TIME_BASE *
1232 ist->st->codec->time_base.num) /
1233 ist->st->codec->time_base.den;
1237 case CODEC_TYPE_SUBTITLE:
1238 ret = avcodec_decode_subtitle(ist->st->codec,
1239 &subtitle, &got_subtitle, ptr, len);
1242 if (!got_subtitle) {
1243 goto discard_packet;
1245 subtitle_to_free = &subtitle;
1252 switch(ist->st->codec->codec_type) {
1253 case CODEC_TYPE_AUDIO:
1254 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1255 ist->st->codec->sample_rate;
1257 case CODEC_TYPE_VIDEO:
1258 if (ist->st->codec->time_base.num != 0) {
1259 ist->next_pts += ((int64_t)AV_TIME_BASE *
1260 ist->st->codec->time_base.num) /
1261 ist->st->codec->time_base.den;
1271 buffer_to_free = NULL;
1272 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1273 pre_process_video_frame(ist, (AVPicture *)&picture,
1277 // preprocess audio (volume)
1278 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1279 if (audio_volume != 256) {
1282 for(i=0;i<(data_size / sizeof(short));i++) {
1283 int v = ((*volp) * audio_volume + 128) >> 8;
1284 if (v < -32768) v = -32768;
1285 if (v > 32767) v = 32767;
1291 /* frame rate emulation */
1292 if (ist->st->codec->rate_emu) {
1293 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1294 int64_t now = av_gettime() - ist->start;
1302 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1303 is the one of the next displayed one */
1304 /* XXX: add mpeg4 too ? */
1305 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1306 if (ist->st->codec->pict_type != B_TYPE) {
1308 tmp = ist->last_ip_pts;
1309 ist->last_ip_pts = ist->frac_pts.val;
1310 ist->frac_pts.val = tmp;
1314 /* if output time reached then transcode raw format,
1315 encode packets and output them */
1316 if (start_time == 0 || ist->pts >= start_time)
1317 for(i=0;i<nb_ostreams;i++) {
1321 if (ost->source_index == ist_index) {
1322 os = output_files[ost->file_index];
1325 printf("%d: got pts=%0.3f %0.3f\n", i,
1326 (double)pkt->pts / AV_TIME_BASE,
1327 ((double)ist->pts / AV_TIME_BASE) -
1328 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1330 /* set the input output pts pairs */
1331 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1333 if (ost->encoding_needed) {
1334 switch(ost->st->codec->codec_type) {
1335 case CODEC_TYPE_AUDIO:
1336 do_audio_out(os, ost, ist, data_buf, data_size);
1338 case CODEC_TYPE_VIDEO:
1339 do_video_out(os, ost, ist, &picture, &frame_size);
1340 if (vstats_filename && frame_size)
1341 do_video_stats(os, ost, frame_size);
1343 case CODEC_TYPE_SUBTITLE:
1344 do_subtitle_out(os, ost, ist, &subtitle,
1351 AVFrame avframe; //FIXME/XXX remove this
1353 av_init_packet(&opkt);
1355 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1358 /* no reencoding needed : output the packet directly */
1359 /* force the input stream PTS */
1361 avcodec_get_frame_defaults(&avframe);
1362 ost->st->codec->coded_frame= &avframe;
1363 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1365 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1366 audio_size += data_size;
1367 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1368 video_size += data_size;
1372 opkt.stream_index= ost->index;
1373 if(pkt->pts != AV_NOPTS_VALUE)
1374 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1376 opkt.pts= AV_NOPTS_VALUE;
1378 if (pkt->dts == AV_NOPTS_VALUE)
1379 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1381 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1383 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1384 opkt.flags= pkt->flags;
1386 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1387 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1388 opkt.destruct= av_destruct_packet;
1390 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1391 ost->st->codec->frame_number++;
1392 ost->frame_number++;
1393 av_free_packet(&opkt);
1397 av_free(buffer_to_free);
1398 /* XXX: allocate the subtitles in the codec ? */
1399 if (subtitle_to_free) {
1400 if (subtitle_to_free->rects != NULL) {
1401 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1402 av_free(subtitle_to_free->rects[i].bitmap);
1403 av_free(subtitle_to_free->rects[i].rgba_palette);
1405 av_freep(&subtitle_to_free->rects);
1407 subtitle_to_free->num_rects = 0;
1408 subtitle_to_free = NULL;
1415 for(i=0;i<nb_ostreams;i++) {
1417 if (ost->source_index == ist_index) {
1418 AVCodecContext *enc= ost->st->codec;
1419 os = output_files[ost->file_index];
1421 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1423 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1426 if (ost->encoding_needed) {
1430 av_init_packet(&pkt);
1431 pkt.stream_index= ost->index;
1433 switch(ost->st->codec->codec_type) {
1434 case CODEC_TYPE_AUDIO:
1435 fifo_bytes = av_fifo_size(&ost->fifo);
1437 /* encode any samples remaining in fifo */
1438 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1439 int fs_tmp = enc->frame_size;
1440 enc->frame_size = fifo_bytes / (2 * enc->channels);
1441 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1442 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1443 enc->frame_size = fs_tmp;
1446 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1449 pkt.flags |= PKT_FLAG_KEY;
1451 case CODEC_TYPE_VIDEO:
1452 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1454 if(enc->coded_frame && enc->coded_frame->key_frame)
1455 pkt.flags |= PKT_FLAG_KEY;
1456 if (ost->logfile && enc->stats_out) {
1457 fprintf(ost->logfile, "%s", enc->stats_out);
1466 pkt.data= bit_buffer;
1468 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1469 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1470 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1482 static void print_sdp(AVFormatContext **avc, int n)
1486 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1487 printf("SDP:\n%s\n", sdp);
1490 static int stream_index_from_inputs(AVFormatContext **input_files,
1492 AVInputFile *file_table,
1493 AVInputStream **ist_table,
1494 enum CodecType type,
1498 for(z=0; z<nb_input_files; z++) {
1499 AVFormatContext *ic = input_files[z];
1500 for(p=0; p<ic->nb_programs; p++) {
1501 AVProgram *program = ic->programs[p];
1502 if(program->id != programid)
1504 for(q=0; q<program->nb_stream_indexes; q++) {
1505 int sidx = program->stream_index[q];
1506 int ris = file_table[z].ist_index + sidx;
1507 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1517 * The following code is the main loop of the file converter
1519 static int av_encode(AVFormatContext **output_files,
1520 int nb_output_files,
1521 AVFormatContext **input_files,
1523 AVStreamMap *stream_maps, int nb_stream_maps)
1525 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1526 AVFormatContext *is, *os;
1527 AVCodecContext *codec, *icodec;
1528 AVOutputStream *ost, **ost_table = NULL;
1529 AVInputStream *ist, **ist_table = NULL;
1530 AVInputFile *file_table;
1534 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1538 /* input stream init */
1540 for(i=0;i<nb_input_files;i++) {
1541 is = input_files[i];
1542 file_table[i].ist_index = j;
1543 file_table[i].nb_streams = is->nb_streams;
1544 j += is->nb_streams;
1548 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1552 for(i=0;i<nb_istreams;i++) {
1553 ist = av_mallocz(sizeof(AVInputStream));
1559 for(i=0;i<nb_input_files;i++) {
1560 is = input_files[i];
1561 for(k=0;k<is->nb_streams;k++) {
1562 ist = ist_table[j++];
1563 ist->st = is->streams[k];
1564 ist->file_index = i;
1566 ist->discard = 1; /* the stream is discarded by default
1569 if (ist->st->codec->rate_emu) {
1570 ist->start = av_gettime();
1576 /* output stream init */
1578 for(i=0;i<nb_output_files;i++) {
1579 os = output_files[i];
1580 if (!os->nb_streams) {
1581 fprintf(stderr, "Output file does not contain any stream\n");
1584 nb_ostreams += os->nb_streams;
1586 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1587 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1591 /* Sanity check the mapping args -- do the input files & streams exist? */
1592 for(i=0;i<nb_stream_maps;i++) {
1593 int fi = stream_maps[i].file_index;
1594 int si = stream_maps[i].stream_index;
1596 if (fi < 0 || fi > nb_input_files - 1 ||
1597 si < 0 || si > file_table[fi].nb_streams - 1) {
1598 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1601 fi = stream_maps[i].sync_file_index;
1602 si = stream_maps[i].sync_stream_index;
1603 if (fi < 0 || fi > nb_input_files - 1 ||
1604 si < 0 || si > file_table[fi].nb_streams - 1) {
1605 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1610 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1613 for(i=0;i<nb_ostreams;i++) {
1614 ost = av_mallocz(sizeof(AVOutputStream));
1621 for(k=0;k<nb_output_files;k++) {
1622 os = output_files[k];
1623 for(i=0;i<os->nb_streams;i++,n++) {
1626 ost->file_index = k;
1628 ost->st = os->streams[i];
1629 if (nb_stream_maps > 0) {
1630 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1631 stream_maps[n].stream_index;
1633 /* Sanity check that the stream types match */
1634 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1635 int i= ost->file_index;
1636 dump_format(output_files[i], i, output_files[i]->filename, 1);
1637 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1638 stream_maps[n].file_index, stream_maps[n].stream_index,
1639 ost->file_index, ost->index);
1646 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1648 ost->source_index = j;
1652 /* get corresponding input stream index : we select the first one with the right type */
1654 for(j=0;j<nb_istreams;j++) {
1657 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1658 ost->source_index = j;
1666 if(! opt_programid) {
1667 /* try again and reuse existing stream */
1668 for(j=0;j<nb_istreams;j++) {
1670 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1671 ost->source_index = j;
1677 int i= ost->file_index;
1678 dump_format(output_files[i], i, output_files[i]->filename, 1);
1679 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1680 ost->file_index, ost->index);
1685 ist = ist_table[ost->source_index];
1687 ost->sync_ist = (nb_stream_maps > 0) ?
1688 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1689 stream_maps[n].sync_stream_index] : ist;
1693 /* for each output stream, we compute the right encoding parameters */
1694 for(i=0;i<nb_ostreams;i++) {
1696 os = output_files[ost->file_index];
1697 ist = ist_table[ost->source_index];
1699 codec = ost->st->codec;
1700 icodec = ist->st->codec;
1702 if (!ost->st->language[0])
1703 av_strlcpy(ost->st->language, ist->st->language,
1704 sizeof(ost->st->language));
1706 ost->st->disposition = ist->st->disposition;
1708 if (ost->st->stream_copy) {
1709 /* if stream_copy is selected, no need to decode or encode */
1710 codec->codec_id = icodec->codec_id;
1711 codec->codec_type = icodec->codec_type;
1713 if(!codec->codec_tag){
1714 if( !os->oformat->codec_tag
1715 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1716 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1717 codec->codec_tag = icodec->codec_tag;
1720 codec->bit_rate = icodec->bit_rate;
1721 codec->extradata= icodec->extradata;
1722 codec->extradata_size= icodec->extradata_size;
1723 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1724 codec->time_base = icodec->time_base;
1726 codec->time_base = ist->st->time_base;
1727 switch(codec->codec_type) {
1728 case CODEC_TYPE_AUDIO:
1729 if(audio_volume != 256) {
1730 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1733 codec->sample_rate = icodec->sample_rate;
1734 codec->channels = icodec->channels;
1735 codec->frame_size = icodec->frame_size;
1736 codec->block_align= icodec->block_align;
1737 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1738 codec->block_align= 0;
1739 if(codec->codec_id == CODEC_ID_AC3)
1740 codec->block_align= 0;
1742 case CODEC_TYPE_VIDEO:
1744 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1747 codec->pix_fmt = icodec->pix_fmt;
1748 codec->width = icodec->width;
1749 codec->height = icodec->height;
1750 codec->has_b_frames = icodec->has_b_frames;
1752 case CODEC_TYPE_SUBTITLE:
1758 switch(codec->codec_type) {
1759 case CODEC_TYPE_AUDIO:
1760 if (av_fifo_init(&ost->fifo, 1024))
1762 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1763 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1764 icodec->request_channels = codec->channels;
1765 ist->decoding_needed = 1;
1766 ost->encoding_needed = 1;
1768 case CODEC_TYPE_VIDEO:
1769 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1770 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1771 ost->video_resample = ((codec->width != icodec->width -
1772 (frame_leftBand + frame_rightBand) +
1773 (frame_padleft + frame_padright)) ||
1774 (codec->height != icodec->height -
1775 (frame_topBand + frame_bottomBand) +
1776 (frame_padtop + frame_padbottom)) ||
1777 (codec->pix_fmt != icodec->pix_fmt));
1778 if (ost->video_crop) {
1779 ost->topBand = frame_topBand;
1780 ost->leftBand = frame_leftBand;
1782 if (ost->video_pad) {
1783 ost->padtop = frame_padtop;
1784 ost->padleft = frame_padleft;
1785 ost->padbottom = frame_padbottom;
1786 ost->padright = frame_padright;
1787 if (!ost->video_resample) {
1788 avcodec_get_frame_defaults(&ost->pict_tmp);
1789 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1790 codec->width, codec->height))
1794 if (ost->video_resample) {
1795 avcodec_get_frame_defaults(&ost->pict_tmp);
1796 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1797 codec->width, codec->height)) {
1798 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1801 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1802 ost->img_resample_ctx = sws_getContext(
1803 icodec->width - (frame_leftBand + frame_rightBand),
1804 icodec->height - (frame_topBand + frame_bottomBand),
1806 codec->width - (frame_padleft + frame_padright),
1807 codec->height - (frame_padtop + frame_padbottom),
1809 sws_flags, NULL, NULL, NULL);
1810 if (ost->img_resample_ctx == NULL) {
1811 fprintf(stderr, "Cannot get resampling context\n");
1814 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1816 ost->encoding_needed = 1;
1817 ist->decoding_needed = 1;
1819 case CODEC_TYPE_SUBTITLE:
1820 ost->encoding_needed = 1;
1821 ist->decoding_needed = 1;
1828 if (ost->encoding_needed &&
1829 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1830 char logfilename[1024];
1835 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1837 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1838 if (codec->flags & CODEC_FLAG_PASS1) {
1839 f = fopen(logfilename, "w");
1841 perror(logfilename);
1846 /* read the log file */
1847 f = fopen(logfilename, "r");
1849 perror(logfilename);
1852 fseek(f, 0, SEEK_END);
1854 fseek(f, 0, SEEK_SET);
1855 logbuffer = av_malloc(size + 1);
1857 fprintf(stderr, "Could not allocate log buffer\n");
1860 size = fread(logbuffer, 1, size, f);
1862 logbuffer[size] = '\0';
1863 codec->stats_in = logbuffer;
1867 if(codec->codec_type == CODEC_TYPE_VIDEO){
1868 int size= codec->width * codec->height;
1869 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1874 bit_buffer = av_malloc(bit_buffer_size);
1878 /* dump the file output parameters - cannot be done before in case
1880 for(i=0;i<nb_output_files;i++) {
1881 dump_format(output_files[i], i, output_files[i]->filename, 1);
1884 /* dump the stream mapping */
1886 fprintf(stderr, "Stream mapping:\n");
1887 for(i=0;i<nb_ostreams;i++) {
1889 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1890 ist_table[ost->source_index]->file_index,
1891 ist_table[ost->source_index]->index,
1894 if (ost->sync_ist != ist_table[ost->source_index])
1895 fprintf(stderr, " [sync #%d.%d]",
1896 ost->sync_ist->file_index,
1897 ost->sync_ist->index);
1898 fprintf(stderr, "\n");
1902 /* open each encoder */
1903 for(i=0;i<nb_ostreams;i++) {
1905 if (ost->encoding_needed) {
1907 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1909 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1910 ost->file_index, ost->index);
1913 if (avcodec_open(ost->st->codec, codec) < 0) {
1914 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1915 ost->file_index, ost->index);
1918 extra_size += ost->st->codec->extradata_size;
1922 /* open each decoder */
1923 for(i=0;i<nb_istreams;i++) {
1925 if (ist->decoding_needed) {
1927 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1929 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1930 ist->st->codec->codec_id, ist->file_index, ist->index);
1933 if (avcodec_open(ist->st->codec, codec) < 0) {
1934 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1935 ist->file_index, ist->index);
1938 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1939 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1944 for(i=0;i<nb_istreams;i++) {
1946 is = input_files[ist->file_index];
1948 ist->next_pts = AV_NOPTS_VALUE;
1952 /* set meta data information from input file if required */
1953 for (i=0;i<nb_meta_data_maps;i++) {
1954 AVFormatContext *out_file;
1955 AVFormatContext *in_file;
1957 int out_file_index = meta_data_maps[i].out_file;
1958 int in_file_index = meta_data_maps[i].in_file;
1959 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1960 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1961 ret = AVERROR(EINVAL);
1964 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1965 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1966 ret = AVERROR(EINVAL);
1970 out_file = output_files[out_file_index];
1971 in_file = input_files[in_file_index];
1973 strcpy(out_file->title, in_file->title);
1974 strcpy(out_file->author, in_file->author);
1975 strcpy(out_file->copyright, in_file->copyright);
1976 strcpy(out_file->comment, in_file->comment);
1977 strcpy(out_file->album, in_file->album);
1978 out_file->year = in_file->year;
1979 out_file->track = in_file->track;
1980 strcpy(out_file->genre, in_file->genre);
1983 /* open files and write file headers */
1984 for(i=0;i<nb_output_files;i++) {
1985 os = output_files[i];
1986 if (av_write_header(os) < 0) {
1987 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1988 ret = AVERROR(EINVAL);
1991 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1996 print_sdp(output_files, nb_output_files);
1999 if (!using_stdin && verbose >= 0) {
2000 fprintf(stderr, "Press [q] to stop encoding\n");
2001 url_set_interrupt_cb(decode_interrupt_cb);
2006 timer_start = av_gettime();
2008 for(; received_sigterm == 0;) {
2009 int file_index, ist_index;
2017 /* if 'q' pressed, exits */
2021 /* read_key() returns 0 on EOF */
2027 /* select the stream that we must read now by looking at the
2028 smallest output pts */
2030 for(i=0;i<nb_ostreams;i++) {
2033 os = output_files[ost->file_index];
2034 ist = ist_table[ost->source_index];
2035 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2036 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2038 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2039 ipts = (double)ist->pts;
2040 if (!file_table[ist->file_index].eof_reached){
2041 if(ipts < ipts_min) {
2043 if(input_sync ) file_index = ist->file_index;
2045 if(opts < opts_min) {
2047 if(!input_sync) file_index = ist->file_index;
2050 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2055 /* if none, if is finished */
2056 if (file_index < 0) {
2060 /* finish if recording time exhausted */
2061 if (opts_min >= (recording_time / 1000000.0))
2064 /* finish if limit size exhausted */
2065 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2068 /* read a frame from it and output it in the fifo */
2069 is = input_files[file_index];
2070 if (av_read_frame(is, &pkt) < 0) {
2071 file_table[file_index].eof_reached = 1;
2079 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2081 /* the following test is needed in case new streams appear
2082 dynamically in stream : we ignore them */
2083 if (pkt.stream_index >= file_table[file_index].nb_streams)
2084 goto discard_packet;
2085 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2086 ist = ist_table[ist_index];
2088 goto discard_packet;
2090 if (pkt.dts != AV_NOPTS_VALUE)
2091 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2092 if (pkt.pts != AV_NOPTS_VALUE)
2093 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2095 if(input_files_ts_scale[file_index][pkt.stream_index]){
2096 if(pkt.pts != AV_NOPTS_VALUE)
2097 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2098 if(pkt.dts != AV_NOPTS_VALUE)
2099 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2102 // 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);
2103 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2104 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2105 int64_t delta= pkt_dts - ist->next_pts;
2106 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2107 input_files_ts_offset[ist->file_index]-= delta;
2109 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2110 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2111 if(pkt.pts != AV_NOPTS_VALUE)
2112 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2116 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2117 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2120 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2121 ist->file_index, ist->index);
2123 av_free_packet(&pkt);
2128 av_free_packet(&pkt);
2130 /* dump report by using the output first video and audio streams */
2131 print_report(output_files, ost_table, nb_ostreams, 0);
2134 /* at the end of stream, we must flush the decoder buffers */
2135 for(i=0;i<nb_istreams;i++) {
2137 if (ist->decoding_needed) {
2138 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2144 /* write the trailer if needed and close file */
2145 for(i=0;i<nb_output_files;i++) {
2146 os = output_files[i];
2147 av_write_trailer(os);
2150 /* dump report by using the first video and audio streams */
2151 print_report(output_files, ost_table, nb_ostreams, 1);
2153 /* close each encoder */
2154 for(i=0;i<nb_ostreams;i++) {
2156 if (ost->encoding_needed) {
2157 av_freep(&ost->st->codec->stats_in);
2158 avcodec_close(ost->st->codec);
2162 /* close each decoder */
2163 for(i=0;i<nb_istreams;i++) {
2165 if (ist->decoding_needed) {
2166 avcodec_close(ist->st->codec);
2174 av_freep(&bit_buffer);
2175 av_free(file_table);
2178 for(i=0;i<nb_istreams;i++) {
2185 for(i=0;i<nb_ostreams;i++) {
2189 fclose(ost->logfile);
2190 ost->logfile = NULL;
2192 av_fifo_free(&ost->fifo); /* works even if fifo is not
2193 initialized but set to zero */
2194 av_free(ost->pict_tmp.data[0]);
2195 if (ost->video_resample)
2196 sws_freeContext(ost->img_resample_ctx);
2198 audio_resample_close(ost->resample);
2199 if (ost->reformat_ctx)
2200 av_audio_convert_free(ost->reformat_ctx);
2208 ret = AVERROR(ENOMEM);
2213 int file_read(const char *filename)
2216 unsigned char buffer[1024];
2219 if (url_open(&h, filename, O_RDONLY) < 0) {
2220 printf("could not open '%s'\n", filename);
2224 len = url_read(h, buffer, sizeof(buffer));
2227 for(i=0;i<len;i++) putchar(buffer[i]);
2234 static void opt_format(const char *arg)
2236 /* compatibility stuff for pgmyuv */
2237 if (!strcmp(arg, "pgmyuv")) {
2238 pgmyuv_compatibility_hack=1;
2239 // opt_image_format(arg);
2241 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2244 file_iformat = av_find_input_format(arg);
2245 file_oformat = guess_format(arg, NULL, NULL);
2246 if (!file_iformat && !file_oformat) {
2247 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2252 static int opt_default(const char *opt, const char *arg){
2254 const AVOption *o= NULL;
2255 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2257 for(type=0; type<CODEC_TYPE_NB; type++){
2258 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2260 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2263 o = av_set_string2(avformat_opts, opt, arg, 1);
2265 o = av_set_string2(sws_opts, opt, arg, 1);
2268 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2269 else if(opt[0] == 'v')
2270 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2271 else if(opt[0] == 's')
2272 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2277 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2279 //FIXME we should always use avctx_opts, ... for storing options so there will not be any need to keep track of what i set over this
2280 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2281 opt_names[opt_name_count++]= o->name;
2283 if(avctx_opts[0]->debug || avformat_opts->debug)
2284 av_log_set_level(AV_LOG_DEBUG);
2288 static void opt_video_rc_override_string(const char *arg)
2290 video_rc_override_string = arg;
2293 static int opt_me_threshold(const char *opt, const char *arg)
2295 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2299 static int opt_verbose(const char *opt, const char *arg)
2301 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2302 av_log_set_level(verbose);
2306 static int opt_frame_rate(const char *opt, const char *arg)
2308 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2309 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2315 static int opt_bitrate(const char *opt, const char *arg)
2317 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2319 opt_default(opt, arg);
2321 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2322 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2327 static void opt_frame_crop_top(const char *arg)
2329 frame_topBand = atoi(arg);
2330 if (frame_topBand < 0) {
2331 fprintf(stderr, "Incorrect top crop size\n");
2334 if ((frame_topBand % 2) != 0) {
2335 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2338 if ((frame_topBand) >= frame_height){
2339 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2342 frame_height -= frame_topBand;
2345 static void opt_frame_crop_bottom(const char *arg)
2347 frame_bottomBand = atoi(arg);
2348 if (frame_bottomBand < 0) {
2349 fprintf(stderr, "Incorrect bottom crop size\n");
2352 if ((frame_bottomBand % 2) != 0) {
2353 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2356 if ((frame_bottomBand) >= frame_height){
2357 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2360 frame_height -= frame_bottomBand;
2363 static void opt_frame_crop_left(const char *arg)
2365 frame_leftBand = atoi(arg);
2366 if (frame_leftBand < 0) {
2367 fprintf(stderr, "Incorrect left crop size\n");
2370 if ((frame_leftBand % 2) != 0) {
2371 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2374 if ((frame_leftBand) >= frame_width){
2375 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2378 frame_width -= frame_leftBand;
2381 static void opt_frame_crop_right(const char *arg)
2383 frame_rightBand = atoi(arg);
2384 if (frame_rightBand < 0) {
2385 fprintf(stderr, "Incorrect right crop size\n");
2388 if ((frame_rightBand % 2) != 0) {
2389 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2392 if ((frame_rightBand) >= frame_width){
2393 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2396 frame_width -= frame_rightBand;
2399 static void opt_frame_size(const char *arg)
2401 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2402 fprintf(stderr, "Incorrect frame size\n");
2405 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2406 fprintf(stderr, "Frame size must be a multiple of 2\n");
2412 #define SCALEBITS 10
2413 #define ONE_HALF (1 << (SCALEBITS - 1))
2414 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2416 #define RGB_TO_Y(r, g, b) \
2417 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2418 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2420 #define RGB_TO_U(r1, g1, b1, shift)\
2421 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2422 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2424 #define RGB_TO_V(r1, g1, b1, shift)\
2425 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2426 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2428 static void opt_pad_color(const char *arg) {
2429 /* Input is expected to be six hex digits similar to
2430 how colors are expressed in html tags (but without the #) */
2431 int rgb = strtol(arg, NULL, 16);
2435 g = ((rgb >> 8) & 255);
2438 padcolor[0] = RGB_TO_Y(r,g,b);
2439 padcolor[1] = RGB_TO_U(r,g,b,0);
2440 padcolor[2] = RGB_TO_V(r,g,b,0);
2443 static void opt_frame_pad_top(const char *arg)
2445 frame_padtop = atoi(arg);
2446 if (frame_padtop < 0) {
2447 fprintf(stderr, "Incorrect top pad size\n");
2450 if ((frame_padtop % 2) != 0) {
2451 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2456 static void opt_frame_pad_bottom(const char *arg)
2458 frame_padbottom = atoi(arg);
2459 if (frame_padbottom < 0) {
2460 fprintf(stderr, "Incorrect bottom pad size\n");
2463 if ((frame_padbottom % 2) != 0) {
2464 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2470 static void opt_frame_pad_left(const char *arg)
2472 frame_padleft = atoi(arg);
2473 if (frame_padleft < 0) {
2474 fprintf(stderr, "Incorrect left pad size\n");
2477 if ((frame_padleft % 2) != 0) {
2478 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2484 static void opt_frame_pad_right(const char *arg)
2486 frame_padright = atoi(arg);
2487 if (frame_padright < 0) {
2488 fprintf(stderr, "Incorrect right pad size\n");
2491 if ((frame_padright % 2) != 0) {
2492 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2497 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2501 for (i=-1; i < nb_fmts; i++) {
2502 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2503 fprintf(stdout, "%s\n", fmt_str);
2507 static void opt_frame_pix_fmt(const char *arg)
2509 if (strcmp(arg, "list"))
2510 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2512 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2517 static void opt_frame_aspect_ratio(const char *arg)
2524 p = strchr(arg, ':');
2526 x = strtol(arg, &end, 10);
2528 y = strtol(end+1, &end, 10);
2530 ar = (double)x / (double)y;
2532 ar = strtod(arg, NULL);
2535 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2538 frame_aspect_ratio = ar;
2541 static void opt_qscale(const char *arg)
2543 video_qscale = atof(arg);
2544 if (video_qscale <= 0 ||
2545 video_qscale > 255) {
2546 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2551 static void opt_top_field_first(const char *arg)
2553 top_field_first= atoi(arg);
2556 static int opt_thread_count(const char *opt, const char *arg)
2558 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2559 #if !defined(HAVE_THREADS)
2561 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2566 static void opt_audio_sample_fmt(const char *arg)
2568 if (strcmp(arg, "list"))
2569 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2571 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2576 static int opt_audio_rate(const char *opt, const char *arg)
2578 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2582 static int opt_audio_channels(const char *opt, const char *arg)
2584 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2588 static void opt_video_channel(const char *arg)
2590 video_channel = strtol(arg, NULL, 0);
2593 static void opt_video_standard(const char *arg)
2595 video_standard = av_strdup(arg);
2598 static void opt_codec(int *pstream_copy, char **pcodec_name,
2599 int codec_type, const char *arg)
2601 av_freep(pcodec_name);
2602 if (!strcmp(arg, "copy")) {
2605 *pcodec_name = av_strdup(arg);
2609 static void opt_audio_codec(const char *arg)
2611 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2614 static void opt_audio_tag(const char *arg)
2617 audio_codec_tag= strtol(arg, &tail, 0);
2620 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2623 static void opt_video_tag(const char *arg)
2626 video_codec_tag= strtol(arg, &tail, 0);
2629 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2633 static void add_frame_hooker(const char *arg)
2638 char *args = av_strdup(arg);
2642 argv[0] = strtok(args, " ");
2643 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2646 i = frame_hook_add(argc, argv);
2649 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2655 static void opt_video_codec(const char *arg)
2657 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2660 static void opt_subtitle_codec(const char *arg)
2662 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2665 static void opt_map(const char *arg)
2670 m = &stream_maps[nb_stream_maps++];
2672 m->file_index = strtol(arg, &p, 0);
2676 m->stream_index = strtol(p, &p, 0);
2679 m->sync_file_index = strtol(p, &p, 0);
2682 m->sync_stream_index = strtol(p, &p, 0);
2684 m->sync_file_index = m->file_index;
2685 m->sync_stream_index = m->stream_index;
2689 static void opt_map_meta_data(const char *arg)
2694 m = &meta_data_maps[nb_meta_data_maps++];
2696 m->out_file = strtol(arg, &p, 0);
2700 m->in_file = strtol(p, &p, 0);
2703 static void opt_input_ts_scale(const char *arg)
2705 unsigned int stream;
2709 stream = strtol(arg, &p, 0);
2712 scale= strtod(p, &p);
2714 if(stream >= MAX_STREAMS)
2717 input_files_ts_scale[nb_input_files][stream]= scale;
2720 static int opt_recording_time(const char *opt, const char *arg)
2722 recording_time = parse_time_or_die(opt, arg, 1);
2726 static int opt_start_time(const char *opt, const char *arg)
2728 start_time = parse_time_or_die(opt, arg, 1);
2732 static int opt_rec_timestamp(const char *opt, const char *arg)
2734 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2738 static int opt_input_ts_offset(const char *opt, const char *arg)
2740 input_ts_offset = parse_time_or_die(opt, arg, 1);
2744 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2746 const char *codec_string = encoder ? "encoder" : "decoder";
2750 return CODEC_ID_NONE;
2752 avcodec_find_encoder_by_name(name) :
2753 avcodec_find_decoder_by_name(name);
2755 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2758 if(codec->type != type) {
2759 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2765 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2768 for(i=0; i<opt_name_count; i++){
2770 const AVOption *opt;
2771 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2772 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2773 if(str && ((opt->flags & flags) == flags))
2774 av_set_string2(ctx, opt_names[i], str, 1);
2778 static void opt_input_file(const char *filename)
2780 AVFormatContext *ic;
2781 AVFormatParameters params, *ap = ¶ms;
2782 int err, i, ret, rfps, rfps_base;
2785 if (!strcmp(filename, "-"))
2788 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2789 !strcmp(filename, "/dev/stdin");
2791 /* get default parameters from command line */
2792 ic = av_alloc_format_context();
2794 memset(ap, 0, sizeof(*ap));
2795 ap->prealloced_context = 1;
2796 ap->sample_rate = audio_sample_rate;
2797 ap->channels = audio_channels;
2798 ap->time_base.den = frame_rate.num;
2799 ap->time_base.num = frame_rate.den;
2800 ap->width = frame_width + frame_padleft + frame_padright;
2801 ap->height = frame_height + frame_padtop + frame_padbottom;
2802 ap->pix_fmt = frame_pix_fmt;
2803 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2804 ap->channel = video_channel;
2805 ap->standard = video_standard;
2806 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2807 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2808 if(pgmyuv_compatibility_hack)
2809 ap->video_codec_id= CODEC_ID_PGMYUV;
2811 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2813 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2814 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2815 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2817 /* open the input file with generic libav function */
2818 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2820 print_error(filename, err);
2825 for(i=0; i<ic->nb_programs; i++)
2826 if(ic->programs[i]->id != opt_programid)
2827 ic->programs[i]->discard = AVDISCARD_ALL;
2830 ic->loop_input = loop_input;
2832 /* If not enough info to get the stream parameters, we decode the
2833 first frames to get it. (used in mpeg case for example) */
2834 ret = av_find_stream_info(ic);
2835 if (ret < 0 && verbose >= 0) {
2836 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2840 timestamp = start_time;
2841 /* add the stream start time */
2842 if (ic->start_time != AV_NOPTS_VALUE)
2843 timestamp += ic->start_time;
2845 /* if seeking requested, we execute it */
2846 if (start_time != 0) {
2847 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2849 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2850 filename, (double)timestamp / AV_TIME_BASE);
2852 /* reset seek info */
2856 /* update the current parameters so that they match the one of the input stream */
2857 for(i=0;i<ic->nb_streams;i++) {
2858 AVCodecContext *enc = ic->streams[i]->codec;
2860 avcodec_thread_init(enc, thread_count);
2861 enc->thread_count= thread_count;
2862 switch(enc->codec_type) {
2863 case CODEC_TYPE_AUDIO:
2864 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2865 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2866 audio_channels = enc->channels;
2867 audio_sample_rate = enc->sample_rate;
2868 audio_sample_fmt = enc->sample_fmt;
2870 ic->streams[i]->discard= AVDISCARD_ALL;
2872 case CODEC_TYPE_VIDEO:
2873 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2874 frame_height = enc->height;
2875 frame_width = enc->width;
2876 if(ic->streams[i]->sample_aspect_ratio.num)
2877 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2879 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2880 frame_aspect_ratio *= (float) enc->width / enc->height;
2881 frame_pix_fmt = enc->pix_fmt;
2882 rfps = ic->streams[i]->r_frame_rate.num;
2883 rfps_base = ic->streams[i]->r_frame_rate.den;
2884 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2886 enc->debug |= FF_DEBUG_MV;
2888 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2891 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2892 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2894 (float)rfps / rfps_base, rfps, rfps_base);
2896 /* update the current frame rate to match the stream frame rate */
2897 frame_rate.num = rfps;
2898 frame_rate.den = rfps_base;
2900 enc->rate_emu = rate_emu;
2902 ic->streams[i]->discard= AVDISCARD_ALL;
2903 else if(video_discard)
2904 ic->streams[i]->discard= video_discard;
2906 case CODEC_TYPE_DATA:
2908 case CODEC_TYPE_SUBTITLE:
2909 if(subtitle_disable)
2910 ic->streams[i]->discard = AVDISCARD_ALL;
2912 case CODEC_TYPE_ATTACHMENT:
2913 case CODEC_TYPE_UNKNOWN:
2920 input_files[nb_input_files] = ic;
2921 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2922 /* dump the file content */
2924 dump_format(ic, nb_input_files, filename, 0);
2927 file_iformat = NULL;
2928 file_oformat = NULL;
2933 av_freep(&video_codec_name);
2934 av_freep(&audio_codec_name);
2935 av_freep(&subtitle_codec_name);
2938 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2939 int *has_subtitle_ptr)
2941 int has_video, has_audio, has_subtitle, i, j;
2942 AVFormatContext *ic;
2947 for(j=0;j<nb_input_files;j++) {
2948 ic = input_files[j];
2949 for(i=0;i<ic->nb_streams;i++) {
2950 AVCodecContext *enc = ic->streams[i]->codec;
2951 switch(enc->codec_type) {
2952 case CODEC_TYPE_AUDIO:
2955 case CODEC_TYPE_VIDEO:
2958 case CODEC_TYPE_SUBTITLE:
2961 case CODEC_TYPE_DATA:
2962 case CODEC_TYPE_ATTACHMENT:
2963 case CODEC_TYPE_UNKNOWN:
2970 *has_video_ptr = has_video;
2971 *has_audio_ptr = has_audio;
2972 *has_subtitle_ptr = has_subtitle;
2975 static void new_video_stream(AVFormatContext *oc)
2978 AVCodecContext *video_enc;
2981 st = av_new_stream(oc, oc->nb_streams);
2983 fprintf(stderr, "Could not alloc stream\n");
2986 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2987 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2988 video_bitstream_filters= NULL;
2991 avcodec_thread_init(st->codec, thread_count);
2993 video_enc = st->codec;
2996 video_enc->codec_tag= video_codec_tag;
2998 if( (video_global_header&1)
2999 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3000 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3001 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3003 if(video_global_header&2){
3004 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3005 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3008 if (video_stream_copy) {
3009 st->stream_copy = 1;
3010 video_enc->codec_type = CODEC_TYPE_VIDEO;
3011 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3016 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3018 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3019 if (video_codec_name)
3020 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3022 video_enc->codec_id = codec_id;
3023 codec = avcodec_find_encoder(codec_id);
3025 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3027 video_enc->time_base.den = fps.num;
3028 video_enc->time_base.num = fps.den;
3029 if(codec && codec->supported_framerates){
3030 const AVRational *p= codec->supported_framerates;
3031 const AVRational *best=NULL;
3032 AVRational best_error= (AVRational){INT_MAX, 1};
3033 for(; p->den!=0; p++){
3034 AVRational error= av_sub_q(fps, *p);
3035 if(error.num <0) error.num *= -1;
3036 if(av_cmp_q(error, best_error) < 0){
3041 video_enc->time_base.den= best->num;
3042 video_enc->time_base.num= best->den;
3045 video_enc->width = frame_width + frame_padright + frame_padleft;
3046 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3047 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3048 video_enc->pix_fmt = frame_pix_fmt;
3049 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3051 if(codec && codec->pix_fmts){
3052 const enum PixelFormat *p= codec->pix_fmts;
3054 if(*p == video_enc->pix_fmt)
3058 video_enc->pix_fmt = codec->pix_fmts[0];
3062 video_enc->gop_size = 0;
3063 if (video_qscale || same_quality) {
3064 video_enc->flags |= CODEC_FLAG_QSCALE;
3065 video_enc->global_quality=
3066 st->quality = FF_QP2LAMBDA * video_qscale;
3070 video_enc->intra_matrix = intra_matrix;
3072 video_enc->inter_matrix = inter_matrix;
3074 video_enc->thread_count = thread_count;
3075 p= video_rc_override_string;
3078 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3080 fprintf(stderr, "error parsing rc_override\n");
3083 video_enc->rc_override=
3084 av_realloc(video_enc->rc_override,
3085 sizeof(RcOverride)*(i+1));
3086 video_enc->rc_override[i].start_frame= start;
3087 video_enc->rc_override[i].end_frame = end;
3089 video_enc->rc_override[i].qscale= q;
3090 video_enc->rc_override[i].quality_factor= 1.0;
3093 video_enc->rc_override[i].qscale= 0;
3094 video_enc->rc_override[i].quality_factor= -q/100.0;
3099 video_enc->rc_override_count=i;
3100 if (!video_enc->rc_initial_buffer_occupancy)
3101 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3102 video_enc->me_threshold= me_threshold;
3103 video_enc->intra_dc_precision= intra_dc_precision - 8;
3106 video_enc->flags|= CODEC_FLAG_PSNR;
3111 video_enc->flags |= CODEC_FLAG_PASS1;
3113 video_enc->flags |= CODEC_FLAG_PASS2;
3118 /* reset some key parameters */
3120 av_freep(&video_codec_name);
3121 video_stream_copy = 0;
3124 static void new_audio_stream(AVFormatContext *oc)
3127 AVCodecContext *audio_enc;
3130 st = av_new_stream(oc, oc->nb_streams);
3132 fprintf(stderr, "Could not alloc stream\n");
3135 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3137 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3138 audio_bitstream_filters= NULL;
3141 avcodec_thread_init(st->codec, thread_count);
3143 audio_enc = st->codec;
3144 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3147 audio_enc->codec_tag= audio_codec_tag;
3149 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3150 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3151 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3153 if (audio_stream_copy) {
3154 st->stream_copy = 1;
3155 audio_enc->channels = audio_channels;
3158 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3160 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3162 if (audio_codec_name)
3163 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3164 audio_enc->codec_id = codec_id;
3165 codec = avcodec_find_encoder(codec_id);
3167 if (audio_qscale > QSCALE_NONE) {
3168 audio_enc->flags |= CODEC_FLAG_QSCALE;
3169 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3171 audio_enc->thread_count = thread_count;
3172 audio_enc->channels = audio_channels;
3173 audio_enc->sample_fmt = audio_sample_fmt;
3175 if(codec && codec->sample_fmts){
3176 const enum SampleFormat *p= codec->sample_fmts;
3178 if(*p == audio_enc->sample_fmt)
3182 audio_enc->sample_fmt = codec->sample_fmts[0];
3185 audio_enc->sample_rate = audio_sample_rate;
3186 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3187 if (audio_language) {
3188 av_strlcpy(st->language, audio_language, sizeof(st->language));
3189 av_free(audio_language);
3190 audio_language = NULL;
3193 /* reset some key parameters */
3195 av_freep(&audio_codec_name);
3196 audio_stream_copy = 0;
3199 static void new_subtitle_stream(AVFormatContext *oc)
3202 AVCodecContext *subtitle_enc;
3204 st = av_new_stream(oc, oc->nb_streams);
3206 fprintf(stderr, "Could not alloc stream\n");
3209 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3211 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3212 subtitle_bitstream_filters= NULL;
3214 subtitle_enc = st->codec;
3215 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3216 if (subtitle_stream_copy) {
3217 st->stream_copy = 1;
3219 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3220 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3223 if (subtitle_language) {
3224 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3225 av_free(subtitle_language);
3226 subtitle_language = NULL;
3229 subtitle_disable = 0;
3230 av_freep(&subtitle_codec_name);
3231 subtitle_stream_copy = 0;
3234 static void opt_new_audio_stream(void)
3236 AVFormatContext *oc;
3237 if (nb_output_files <= 0) {
3238 fprintf(stderr, "At least one output file must be specified\n");
3241 oc = output_files[nb_output_files - 1];
3242 new_audio_stream(oc);
3245 static void opt_new_video_stream(void)
3247 AVFormatContext *oc;
3248 if (nb_output_files <= 0) {
3249 fprintf(stderr, "At least one output file must be specified\n");
3252 oc = output_files[nb_output_files - 1];
3253 new_video_stream(oc);
3256 static void opt_new_subtitle_stream(void)
3258 AVFormatContext *oc;
3259 if (nb_output_files <= 0) {
3260 fprintf(stderr, "At least one output file must be specified\n");
3263 oc = output_files[nb_output_files - 1];
3264 new_subtitle_stream(oc);
3267 static void opt_output_file(const char *filename)
3269 AVFormatContext *oc;
3270 int use_video, use_audio, use_subtitle;
3271 int input_has_video, input_has_audio, input_has_subtitle;
3272 AVFormatParameters params, *ap = ¶ms;
3274 if (!strcmp(filename, "-"))
3277 oc = av_alloc_format_context();
3279 if (!file_oformat) {
3280 file_oformat = guess_format(NULL, filename, NULL);
3281 if (!file_oformat) {
3282 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3288 oc->oformat = file_oformat;
3289 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3291 if (!strcmp(file_oformat->name, "ffm") &&
3292 av_strstart(filename, "http:", NULL)) {
3293 /* special case for files sent to ffserver: we get the stream
3294 parameters from ffserver */
3295 int err = read_ffserver_streams(oc, filename);
3297 print_error(filename, err);
3301 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3302 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3303 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3305 /* disable if no corresponding type found and at least one
3307 if (nb_input_files > 0) {
3308 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3309 &input_has_subtitle);
3310 if (!input_has_video)
3312 if (!input_has_audio)
3314 if (!input_has_subtitle)
3318 /* manual disable */
3319 if (audio_disable) {
3322 if (video_disable) {
3325 if (subtitle_disable) {
3330 new_video_stream(oc);
3334 new_audio_stream(oc);
3338 new_subtitle_stream(oc);
3341 oc->timestamp = rec_timestamp;
3344 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3346 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3348 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3350 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3352 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3354 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3357 output_files[nb_output_files++] = oc;
3359 /* check filename in case of an image number is expected */
3360 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3361 if (!av_filename_number_test(oc->filename)) {
3362 print_error(oc->filename, AVERROR_NUMEXPECTED);
3367 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3368 /* test if it already exists to avoid loosing precious files */
3369 if (!file_overwrite &&
3370 (strchr(filename, ':') == NULL ||
3371 filename[1] == ':' ||
3372 av_strstart(filename, "file:", NULL))) {
3373 if (url_exist(filename)) {
3377 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3380 if (toupper(c) != 'Y') {
3381 fprintf(stderr, "Not overwriting - exiting\n");
3386 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3393 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3394 fprintf(stderr, "Could not open '%s'\n", filename);
3399 memset(ap, 0, sizeof(*ap));
3400 if (av_set_parameters(oc, ap) < 0) {
3401 fprintf(stderr, "%s: Invalid encoding parameters\n",
3406 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3407 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3408 oc->loop_output = loop_output;
3410 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3412 /* reset some options */
3413 file_oformat = NULL;
3414 file_iformat = NULL;
3417 /* same option as mencoder */
3418 static void opt_pass(const char *pass_str)
3421 pass = atoi(pass_str);
3422 if (pass != 1 && pass != 2) {
3423 fprintf(stderr, "pass number can be only 1 or 2\n");
3429 static int64_t getutime(void)
3431 #ifdef HAVE_GETRUSAGE
3432 struct rusage rusage;
3434 getrusage(RUSAGE_SELF, &rusage);
3435 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3436 #elif defined(HAVE_GETPROCESSTIMES)
3438 FILETIME c, e, k, u;
3439 proc = GetCurrentProcess();
3440 GetProcessTimes(proc, &c, &e, &k, &u);
3441 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3443 return av_gettime();
3447 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3450 const char *p = str;
3457 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3464 static void opt_inter_matrix(const char *arg)
3466 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3467 parse_matrix_coeffs(inter_matrix, arg);
3470 static void opt_intra_matrix(const char *arg)
3472 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3473 parse_matrix_coeffs(intra_matrix, arg);
3477 * Trivial log callback.
3478 * Only suitable for show_help and similar since it lacks prefix handling.
3480 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3482 vfprintf(stdout, fmt, vl);
3485 static void show_help(void)
3487 av_log_set_callback(log_callback_help);
3488 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3489 "Hyper fast Audio and Video encoder\n");
3491 show_help_options(options, "Main options:\n",
3492 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3493 show_help_options(options, "\nAdvanced options:\n",
3494 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3496 show_help_options(options, "\nVideo options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3499 show_help_options(options, "\nAdvanced Video options:\n",
3500 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3501 OPT_VIDEO | OPT_EXPERT);
3502 show_help_options(options, "\nAudio options:\n",
3503 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 show_help_options(options, "\nAdvanced Audio options:\n",
3506 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3507 OPT_AUDIO | OPT_EXPERT);
3508 show_help_options(options, "\nSubtitle options:\n",
3509 OPT_SUBTITLE | OPT_GRAB,
3511 show_help_options(options, "\nAudio/Video grab options:\n",
3515 av_opt_show(avctx_opts[0], NULL);
3517 av_opt_show(avformat_opts, NULL);
3519 av_opt_show(sws_opts, NULL);
3522 static void opt_target(const char *arg)
3525 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3527 if(!strncmp(arg, "pal-", 4)) {
3530 } else if(!strncmp(arg, "ntsc-", 5)) {
3533 } else if(!strncmp(arg, "film-", 5)) {
3538 /* Calculate FR via float to avoid int overflow */
3539 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3542 } else if((fr == 29970) || (fr == 23976)) {
3545 /* Try to determine PAL/NTSC by peeking in the input files */
3546 if(nb_input_files) {
3548 for(j = 0; j < nb_input_files; j++) {
3549 for(i = 0; i < input_files[j]->nb_streams; i++) {
3550 AVCodecContext *c = input_files[j]->streams[i]->codec;
3551 if(c->codec_type != CODEC_TYPE_VIDEO)
3553 fr = c->time_base.den * 1000 / c->time_base.num;
3557 } else if((fr == 29970) || (fr == 23976)) {
3567 if(verbose && norm >= 0)
3568 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3572 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3573 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3574 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3578 if(!strcmp(arg, "vcd")) {
3580 opt_video_codec("mpeg1video");
3581 opt_audio_codec("mp2");
3584 opt_frame_size(norm ? "352x240" : "352x288");
3585 opt_frame_rate(NULL, frame_rates[norm]);
3586 opt_default("gop", norm ? "18" : "15");
3588 opt_default("b", "1150000");
3589 opt_default("maxrate", "1150000");
3590 opt_default("minrate", "1150000");
3591 opt_default("bufsize", "327680"); // 40*1024*8;
3593 opt_default("ab", "224000");
3594 audio_sample_rate = 44100;
3597 opt_default("packetsize", "2324");
3598 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3600 /* We have to offset the PTS, so that it is consistent with the SCR.
3601 SCR starts at 36000, but the first two packs contain only padding
3602 and the first pack from the other stream, respectively, may also have
3603 been written before.
3604 So the real data starts at SCR 36000+3*1200. */
3605 mux_preload= (36000+3*1200) / 90000.0; //0.44
3606 } else if(!strcmp(arg, "svcd")) {
3608 opt_video_codec("mpeg2video");
3609 opt_audio_codec("mp2");
3612 opt_frame_size(norm ? "480x480" : "480x576");
3613 opt_frame_rate(NULL, frame_rates[norm]);
3614 opt_default("gop", norm ? "18" : "15");
3616 opt_default("b", "2040000");
3617 opt_default("maxrate", "2516000");
3618 opt_default("minrate", "0"); //1145000;
3619 opt_default("bufsize", "1835008"); //224*1024*8;
3620 opt_default("flags", "+SCAN_OFFSET");
3623 opt_default("ab", "224000");
3624 audio_sample_rate = 44100;
3626 opt_default("packetsize", "2324");
3628 } else if(!strcmp(arg, "dvd")) {
3630 opt_video_codec("mpeg2video");
3631 opt_audio_codec("ac3");
3634 opt_frame_size(norm ? "720x480" : "720x576");
3635 opt_frame_rate(NULL, frame_rates[norm]);
3636 opt_default("gop", norm ? "18" : "15");
3638 opt_default("b", "6000000");
3639 opt_default("maxrate", "9000000");
3640 opt_default("minrate", "0"); //1500000;
3641 opt_default("bufsize", "1835008"); //224*1024*8;
3643 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3644 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3646 opt_default("ab", "448000");
3647 audio_sample_rate = 48000;
3649 } else if(!strncmp(arg, "dv", 2)) {
3653 opt_frame_size(norm ? "720x480" : "720x576");
3654 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3655 (norm ? "yuv411p" : "yuv420p"));
3656 opt_frame_rate(NULL, frame_rates[norm]);
3658 audio_sample_rate = 48000;
3662 fprintf(stderr, "Unknown target: %s\n", arg);
3667 static void opt_vstats_file (const char *arg)
3669 av_free (vstats_filename);
3670 vstats_filename=av_strdup (arg);
3673 static void opt_vstats (void)
3676 time_t today2 = time(NULL);
3677 struct tm *today = localtime(&today2);
3679 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3681 opt_vstats_file(filename);
3684 static int opt_bsf(const char *opt, const char *arg)
3686 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3687 AVBitStreamFilterContext **bsfp;
3690 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3694 bsfp= *opt == 'v' ? &video_bitstream_filters :
3695 *opt == 'a' ? &audio_bitstream_filters :
3696 &subtitle_bitstream_filters;
3698 bsfp= &(*bsfp)->next;
3705 static int opt_preset(const char *opt, const char *arg)
3708 char tmp[1000], tmp2[1000];
3710 const char *base[3]= { getenv("HOME"),
3715 for(i=!base[0]; i<3 && !f; i++){
3716 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3719 char *codec_name= *opt == 'v' ? video_codec_name :
3720 *opt == 'a' ? audio_codec_name :
3721 subtitle_codec_name;
3722 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3728 fprintf(stderr, "Preset file not found\n");
3733 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3735 fprintf(stderr, "Preset file invalid\n");
3738 if(!strcmp(tmp, "acodec")){
3739 opt_audio_codec(tmp2);
3740 }else if(!strcmp(tmp, "vcodec")){
3741 opt_video_codec(tmp2);
3742 }else if(!strcmp(tmp, "scodec")){
3743 opt_subtitle_codec(tmp2);
3745 opt_default(tmp, tmp2);
3753 static const OptionDef options[] = {
3755 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3756 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3757 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3758 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3759 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3760 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3761 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3762 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3763 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3764 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3765 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3766 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3767 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3768 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3769 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3770 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3771 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3772 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3773 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3774 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3775 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3776 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3777 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3778 "add timings for benchmarking" },
3779 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3780 "dump each input packet" },
3781 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3782 "when dumping packets, also dump the payload" },
3783 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3784 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3785 { "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)", "" },
3786 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3787 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3788 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3789 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3790 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3791 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3792 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3793 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3794 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3795 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3796 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3799 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3800 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3801 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3802 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3803 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3804 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3805 { "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" },
3806 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3807 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3808 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3809 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3810 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3811 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3812 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3813 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3814 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3815 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3816 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3817 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3818 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3819 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3820 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3821 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3822 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3823 "use same video quality as source (implies VBR)" },
3824 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3825 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3826 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3827 "deinterlace pictures" },
3828 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3829 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3830 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3832 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3834 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3835 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3836 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3837 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3838 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3839 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3840 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3843 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3844 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3845 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3846 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3847 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3848 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3849 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3850 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3851 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3852 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3853 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3854 { "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" },
3856 /* subtitle options */
3857 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3858 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3859 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3860 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3863 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3864 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3865 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3868 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3869 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3871 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3872 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3873 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3875 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3876 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3877 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3879 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3883 int main(int argc, char **argv)
3888 avcodec_register_all();
3889 avdevice_register_all();
3892 if(isatty(STDIN_FILENO))
3893 url_set_interrupt_cb(decode_interrupt_cb);
3895 for(i=0; i<CODEC_TYPE_NB; i++){
3896 avctx_opts[i]= avcodec_alloc_context2(i);
3898 avformat_opts = av_alloc_format_context();
3899 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3908 parse_options(argc, argv, options, opt_output_file);
3910 /* file converter / grab */
3911 if (nb_output_files <= 0) {
3912 fprintf(stderr, "Must supply at least one output file\n");
3916 if (nb_input_files == 0) {
3917 fprintf(stderr, "Must supply at least one input file\n");
3922 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3923 stream_maps, nb_stream_maps);
3924 ti = getutime() - ti;
3926 printf("bench: utime=%0.3fs\n", ti / 1000000.0);