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 #ifdef HAVE_SYS_SELECT_H
52 #include <sys/select.h>
55 #if defined(HAVE_TERMIOS_H)
57 #include <sys/ioctl.h>
60 #elif defined(HAVE_CONIO_H)
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
81 int sync_stream_index;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
90 static const OptionDef options[];
94 static AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static int nb_input_files = 0;
99 static AVFormatContext *output_files[MAX_FILES];
100 static int nb_output_files = 0;
102 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
103 static int nb_stream_maps;
105 static AVMetaDataMap meta_data_maps[MAX_FILES];
106 static int nb_meta_data_maps;
108 static AVInputFormat *file_iformat;
109 static AVOutputFormat *file_oformat;
110 static int frame_width = 0;
111 static int frame_height = 0;
112 static float frame_aspect_ratio = 0;
113 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
114 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
115 static int frame_padtop = 0;
116 static int frame_padbottom = 0;
117 static int frame_padleft = 0;
118 static int frame_padright = 0;
119 static int padcolor[3] = {16,128,128}; /* default to black */
120 static int frame_topBand = 0;
121 static int frame_bottomBand = 0;
122 static int frame_leftBand = 0;
123 static int frame_rightBand = 0;
124 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
125 static AVRational frame_rate;
126 static float video_qscale = 0;
127 static uint16_t *intra_matrix = NULL;
128 static uint16_t *inter_matrix = NULL;
129 #if 0 //experimental, (can be removed)
130 static float video_rc_qsquish=1.0;
131 static float video_rc_qmod_amp=0;
132 static int video_rc_qmod_freq=0;
134 static const char *video_rc_override_string=NULL;
135 static int video_disable = 0;
136 static int video_discard = 0;
137 static char *video_codec_name = NULL;
138 static int video_codec_tag = 0;
139 static int same_quality = 0;
140 static int do_deinterlace = 0;
141 static int top_field_first = -1;
142 static int me_threshold = 0;
143 static int intra_dc_precision = 8;
144 static int loop_input = 0;
145 static int loop_output = AVFMT_NOOUTPUTLOOP;
146 static int qp_hist = 0;
148 static int intra_only = 0;
149 static int audio_sample_rate = 44100;
150 #define QSCALE_NONE -99999
151 static float audio_qscale = QSCALE_NONE;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static char *audio_codec_name = NULL;
155 static int audio_codec_tag = 0;
156 static char *audio_language = NULL;
158 static int subtitle_disable = 0;
159 static char *subtitle_codec_name = NULL;
160 static char *subtitle_language = NULL;
162 static float mux_preload= 0.5;
163 static float mux_max_delay= 0.7;
165 static int64_t recording_time = INT64_MAX;
166 static int64_t start_time = 0;
167 static int64_t rec_timestamp = 0;
168 static int64_t input_ts_offset = 0;
169 static int file_overwrite = 0;
170 static char *str_title = NULL;
171 static char *str_author = NULL;
172 static char *str_copyright = NULL;
173 static char *str_comment = NULL;
174 static char *str_genre = NULL;
175 static char *str_album = NULL;
176 static int do_benchmark = 0;
177 static int do_hex_dump = 0;
178 static int do_pkt_dump = 0;
179 static int do_psnr = 0;
180 static int do_pass = 0;
181 static char *pass_logfilename = NULL;
182 static int audio_stream_copy = 0;
183 static int video_stream_copy = 0;
184 static int subtitle_stream_copy = 0;
185 static int video_sync_method= -1;
186 static int audio_sync_method= 0;
187 static float audio_drift_threshold= 0.1;
188 static int copy_ts= 0;
189 static int opt_shortest = 0; //
190 static int video_global_header = 0;
191 static char *vstats_filename;
192 static FILE *vstats_file;
193 static int opt_programid = 0;
195 static int rate_emu = 0;
197 static int video_channel = 0;
198 static char *video_standard;
200 static int audio_volume = 256;
202 static int exit_on_error = 0;
203 static int using_stdin = 0;
204 static int using_vhook = 0;
205 static int verbose = 1;
206 static int thread_count= 1;
207 static int q_pressed = 0;
208 static int64_t video_size = 0;
209 static int64_t audio_size = 0;
210 static int64_t extra_size = 0;
211 static int nb_frames_dup = 0;
212 static int nb_frames_drop = 0;
213 static int input_sync;
214 static uint64_t limit_filesize = 0; //
215 static int force_fps = 0;
217 static int pgmyuv_compatibility_hack=0;
218 static float dts_delta_threshold = 10;
220 static unsigned int sws_flags = SWS_BICUBIC;
222 static const char **opt_names;
223 static int opt_name_count;
224 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
225 static AVFormatContext *avformat_opts;
226 static struct SwsContext *sws_opts;
227 static int64_t timer_start;
229 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
231 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
234 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
236 struct AVInputStream;
238 typedef struct AVOutputStream {
239 int file_index; /* file index */
240 int index; /* stream index in the output file */
241 int source_index; /* AVInputStream index */
242 AVStream *st; /* stream in the output file */
243 int encoding_needed; /* true if encoding needed for this stream */
245 /* input pts and corresponding output pts
247 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
248 struct AVInputStream *sync_ist; /* input stream to sync against */
249 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
252 AVFrame pict_tmp; /* temporary image for resampling */
253 struct SwsContext *img_resample_ctx; /* for image resampling */
257 int topBand; /* cropping area sizes */
261 int padtop; /* padding area sizes */
268 ReSampleContext *resample; /* for audio resampling */
270 AVAudioConvert *reformat_ctx;
271 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
275 typedef struct AVInputStream {
279 int discard; /* true if stream data should be discarded */
280 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
281 int64_t sample_index; /* current sample */
283 int64_t start; /* time when read started */
284 unsigned long frame; /* current frame */
285 int64_t next_pts; /* synthetic pts for cases where pkt.pts
287 int64_t pts; /* current pts */
288 int is_start; /* is 1 at the start and after a discontinuity */
291 typedef struct AVInputFile {
292 int eof_reached; /* true if eof reached */
293 int ist_index; /* index of first stream in ist_table */
294 int buffer_size; /* current total buffer size */
295 int nb_streams; /* nb streams we are aware of */
298 #ifdef HAVE_TERMIOS_H
300 /* init terminal so that we can grab keys */
301 static struct termios oldtty;
304 static void term_exit(void)
306 #ifdef HAVE_TERMIOS_H
307 tcsetattr (0, TCSANOW, &oldtty);
311 static volatile sig_atomic_t received_sigterm = 0;
314 sigterm_handler(int sig)
316 received_sigterm = sig;
320 static void term_init(void)
322 #ifdef HAVE_TERMIOS_H
328 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
329 |INLCR|IGNCR|ICRNL|IXON);
330 tty.c_oflag |= OPOST;
331 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
332 tty.c_cflag &= ~(CSIZE|PARENB);
337 tcsetattr (0, TCSANOW, &tty);
338 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
341 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
342 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
344 register a function to be called at normal program termination
347 #ifdef CONFIG_BEOS_NETSERVER
348 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
352 /* read a key without blocking */
353 static int read_key(void)
355 #if defined(HAVE_TERMIOS_H)
358 #ifndef CONFIG_BEOS_NETSERVER
366 n = select(1, &rfds, NULL, NULL, &tv);
375 #elif defined(HAVE_CONIO_H)
382 static int decode_interrupt_cb(void)
384 return q_pressed || (q_pressed = read_key() == 'q');
387 static int av_exit(int ret)
392 for(i=0;i<nb_output_files;i++) {
393 /* maybe av_close_output_file ??? */
394 AVFormatContext *s = output_files[i];
396 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
398 for(j=0;j<s->nb_streams;j++) {
399 av_free(s->streams[j]->codec);
400 av_free(s->streams[j]);
404 for(i=0;i<nb_input_files;i++)
405 av_close_input_file(input_files[i]);
407 av_free(intra_matrix);
408 av_free(inter_matrix);
412 av_free(vstats_filename);
416 av_free(video_codec_name);
417 av_free(audio_codec_name);
418 av_free(subtitle_codec_name);
420 av_free(video_standard);
422 #ifdef CONFIG_POWERPC_PERF
423 extern void powerpc_display_perf_report(void);
424 powerpc_display_perf_report();
425 #endif /* CONFIG_POWERPC_PERF */
427 if (received_sigterm) {
429 "Received signal %d: terminating.\n",
430 (int) received_sigterm);
434 exit(ret); /* not all OS-es handle main() return value */
438 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
444 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
447 /* copy stream format */
448 s->nb_streams = ic->nb_streams;
449 for(i=0;i<ic->nb_streams;i++) {
452 // FIXME: a more elegant solution is needed
453 st = av_mallocz(sizeof(AVStream));
454 memcpy(st, ic->streams[i], sizeof(AVStream));
455 st->codec = avcodec_alloc_context();
456 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
459 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
461 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
464 if(!st->codec->thread_count)
465 st->codec->thread_count = 1;
466 if(st->codec->thread_count>1)
467 avcodec_thread_init(st->codec, st->codec->thread_count);
469 if(st->codec->flags & CODEC_FLAG_BITEXACT)
474 s->timestamp = av_gettime();
476 av_close_input_file(ic);
481 get_sync_ipts(const AVOutputStream *ost)
483 const AVInputStream *ist = ost->sync_ist;
484 return (double)(ist->pts - start_time)/AV_TIME_BASE;
487 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
491 AVPacket new_pkt= *pkt;
492 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
493 &new_pkt.data, &new_pkt.size,
494 pkt->data, pkt->size,
495 pkt->flags & PKT_FLAG_KEY);
498 new_pkt.destruct= av_destruct_packet;
500 fprintf(stderr, "%s failed for stream %d, codec %s",
501 bsfc->filter->name, pkt->stream_index,
502 avctx->codec ? avctx->codec->name : "copy");
512 ret= av_interleaved_write_frame(s, pkt);
514 print_error("av_interleaved_write_frame()", ret);
519 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
521 static void do_audio_out(AVFormatContext *s,
524 unsigned char *buf, int size)
527 static uint8_t *audio_buf = NULL;
528 static uint8_t *audio_out = NULL;
529 static uint8_t *audio_out2 = NULL;
530 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
532 int size_out, frame_bytes, ret;
533 AVCodecContext *enc= ost->st->codec;
534 AVCodecContext *dec= ist->st->codec;
535 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
536 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
538 /* SC: dynamic allocation of buffers */
540 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
542 audio_out = av_malloc(audio_out_size);
543 if (!audio_buf || !audio_out)
544 return; /* Should signal an error ! */
546 if (enc->channels != dec->channels)
547 ost->audio_resample = 1;
549 if (ost->audio_resample && !ost->resample) {
550 if (dec->sample_fmt != SAMPLE_FMT_S16) {
551 fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
554 ost->resample = audio_resample_init(enc->channels, dec->channels,
555 enc->sample_rate, dec->sample_rate);
556 if (!ost->resample) {
557 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
558 dec->channels, dec->sample_rate,
559 enc->channels, enc->sample_rate);
564 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
565 if (dec->sample_fmt!=enc->sample_fmt &&
566 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
568 audio_out2 = av_malloc(audio_out_size);
571 if (ost->reformat_ctx)
572 av_audio_convert_free(ost->reformat_ctx);
573 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
574 dec->sample_fmt, 1, NULL, 0);
575 if (!ost->reformat_ctx) {
576 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
577 avcodec_get_sample_fmt_name(dec->sample_fmt),
578 avcodec_get_sample_fmt_name(enc->sample_fmt));
581 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
584 if(audio_sync_method){
585 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
586 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
587 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
588 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
590 //FIXME resample delay
591 if(fabs(delta) > 50){
592 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
594 byte_delta= FFMAX(byte_delta, -size);
598 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
603 static uint8_t *input_tmp= NULL;
604 input_tmp= av_realloc(input_tmp, byte_delta + size);
606 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
609 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
611 memset(input_tmp, 0, byte_delta);
612 memcpy(input_tmp + byte_delta, buf, size);
616 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
618 }else if(audio_sync_method>1){
619 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
620 assert(ost->audio_resample);
622 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
623 // 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));
624 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
628 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
629 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
631 if (ost->audio_resample) {
633 size_out = audio_resample(ost->resample,
634 (short *)buftmp, (short *)buf,
635 size / (ist->st->codec->channels * isize));
636 size_out = size_out * enc->channels * osize;
642 if (dec->sample_fmt!=enc->sample_fmt) {
643 const void *ibuf[6]= {buftmp};
644 void *obuf[6]= {audio_out2};
645 int istride[6]= {isize};
646 int ostride[6]= {osize};
647 int len= size_out/istride[0];
648 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
649 printf("av_audio_convert() failed\n");
655 size_out = len*osize;
658 /* now encode as many frames as possible */
659 if (enc->frame_size > 1) {
660 /* output resampled raw samples */
661 if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
662 fprintf(stderr, "av_fifo_realloc2() failed\n");
665 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
667 frame_bytes = enc->frame_size * osize * enc->channels;
669 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
671 av_init_packet(&pkt);
673 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
675 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
677 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
680 pkt.stream_index= ost->index;
683 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
684 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
685 pkt.flags |= PKT_FLAG_KEY;
686 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
688 ost->sync_opts += enc->frame_size;
692 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
693 av_init_packet(&pkt);
695 ost->sync_opts += size_out / (osize * enc->channels);
697 /* output a pcm frame */
698 /* determine the size of the coded buffer */
701 size_out *= coded_bps;
703 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
704 ret = avcodec_encode_audio(enc, audio_out, size_out,
707 pkt.stream_index= ost->index;
710 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
711 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
712 pkt.flags |= PKT_FLAG_KEY;
713 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
717 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
721 AVPicture picture_tmp;
724 dec = ist->st->codec;
726 /* deinterlace : must be done before any resize */
727 if (do_deinterlace || using_vhook) {
730 /* create temporary picture */
731 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
732 buf = av_malloc(size);
736 picture2 = &picture_tmp;
737 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
740 if(avpicture_deinterlace(picture2, picture,
741 dec->pix_fmt, dec->width, dec->height) < 0) {
742 /* if error, do not deinterlace */
743 fprintf(stderr, "Deinterlacing failed\n");
749 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
756 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
757 1000000 * ist->pts / AV_TIME_BASE);
759 if (picture != picture2)
760 *picture = *picture2;
764 /* we begin to correct av delay at this threshold */
765 #define AV_DELAY_MAX 0.100
767 static void do_subtitle_out(AVFormatContext *s,
773 static uint8_t *subtitle_out = NULL;
774 int subtitle_out_max_size = 65536;
775 int subtitle_out_size, nb, i;
779 if (pts == AV_NOPTS_VALUE) {
780 fprintf(stderr, "Subtitle packets must have a pts\n");
786 enc = ost->st->codec;
789 subtitle_out = av_malloc(subtitle_out_max_size);
792 /* Note: DVB subtitle need one packet to draw them and one other
793 packet to clear them */
794 /* XXX: signal it in the codec context ? */
795 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
800 for(i = 0; i < nb; i++) {
801 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
802 subtitle_out_max_size, sub);
804 av_init_packet(&pkt);
805 pkt.stream_index = ost->index;
806 pkt.data = subtitle_out;
807 pkt.size = subtitle_out_size;
808 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
809 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
810 /* XXX: the pts correction is handled here. Maybe handling
811 it in the codec would be better */
813 pkt.pts += 90 * sub->start_display_time;
815 pkt.pts += 90 * sub->end_display_time;
817 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
821 static int bit_buffer_size= 1024*256;
822 static uint8_t *bit_buffer= NULL;
824 static void do_video_out(AVFormatContext *s,
830 int nb_frames, i, ret;
831 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
832 AVFrame picture_crop_temp, picture_pad_temp;
833 AVCodecContext *enc, *dec;
835 avcodec_get_frame_defaults(&picture_crop_temp);
836 avcodec_get_frame_defaults(&picture_pad_temp);
838 enc = ost->st->codec;
839 dec = ist->st->codec;
841 /* by default, we output a single frame */
846 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
848 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
849 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
852 else if (video_sync_method == 2)
853 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
854 else if (vdelta > 1.1)
855 nb_frames = lrintf(vdelta);
856 //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);
860 fprintf(stderr, "*** drop!\n");
861 }else if (nb_frames > 1) {
862 nb_frames_dup += nb_frames;
864 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
867 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
869 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
873 if (ost->video_crop) {
874 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
875 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
880 formatted_picture = &picture_crop_temp;
882 formatted_picture = in_picture;
885 final_picture = formatted_picture;
886 padding_src = formatted_picture;
887 resampling_dst = &ost->pict_tmp;
888 if (ost->video_pad) {
889 final_picture = &ost->pict_tmp;
890 if (ost->video_resample) {
891 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
892 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
897 resampling_dst = &picture_pad_temp;
901 if (ost->video_resample) {
903 final_picture = &ost->pict_tmp;
904 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
905 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
908 if (ost->video_pad) {
909 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
910 enc->height, enc->width, enc->pix_fmt,
911 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
914 /* duplicates frame if needed */
915 for(i=0;i<nb_frames;i++) {
917 av_init_packet(&pkt);
918 pkt.stream_index= ost->index;
920 if (s->oformat->flags & AVFMT_RAWPICTURE) {
921 /* raw pictures are written as AVPicture structure to
922 avoid any copies. We support temorarily the older
924 AVFrame* old_frame = enc->coded_frame;
925 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
926 pkt.data= (uint8_t *)final_picture;
927 pkt.size= sizeof(AVPicture);
928 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
929 pkt.flags |= PKT_FLAG_KEY;
931 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
932 enc->coded_frame = old_frame;
936 big_picture= *final_picture;
937 /* better than nothing: use input picture interlaced
939 big_picture.interlaced_frame = in_picture->interlaced_frame;
940 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
941 if(top_field_first == -1)
942 big_picture.top_field_first = in_picture->top_field_first;
944 big_picture.top_field_first = top_field_first;
947 /* handles sameq here. This is not correct because it may
948 not be a global option */
950 big_picture.quality = ist->st->quality;
952 big_picture.quality = ost->st->quality;
954 big_picture.pict_type = 0;
955 // big_picture.pts = AV_NOPTS_VALUE;
956 big_picture.pts= ost->sync_opts;
957 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
958 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
959 ret = avcodec_encode_video(enc,
960 bit_buffer, bit_buffer_size,
963 fprintf(stderr, "Video encoding failed\n");
966 //enc->frame_number = enc->real_pict_num;
968 pkt.data= bit_buffer;
970 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
971 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
972 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
973 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
974 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
976 if(enc->coded_frame->key_frame)
977 pkt.flags |= PKT_FLAG_KEY;
978 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
981 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
982 // enc->frame_number-1, enc->real_pict_num, ret,
984 /* if two pass, output log */
985 if (ost->logfile && enc->stats_out) {
986 fprintf(ost->logfile, "%s", enc->stats_out);
995 static double psnr(double d){
996 return -10.0*log(d)/log(10.0);
999 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1002 AVCodecContext *enc;
1004 double ti1, bitrate, avg_bitrate;
1006 /* this is executed just the first time do_video_stats is called */
1008 vstats_file = fopen(vstats_filename, "w");
1015 enc = ost->st->codec;
1016 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1017 frame_number = ost->frame_number;
1018 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1019 if (enc->flags&CODEC_FLAG_PSNR)
1020 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1022 fprintf(vstats_file,"f_size= %6d ", frame_size);
1023 /* compute pts value */
1024 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1028 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1029 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1030 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1031 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1032 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1036 static void print_report(AVFormatContext **output_files,
1037 AVOutputStream **ost_table, int nb_ostreams,
1041 AVOutputStream *ost;
1042 AVFormatContext *oc, *os;
1044 AVCodecContext *enc;
1045 int frame_number, vid, i;
1046 double bitrate, ti1, pts;
1047 static int64_t last_time = -1;
1048 static int qp_histogram[52];
1050 if (!is_last_report) {
1052 /* display the report every 0.5 seconds */
1053 cur_time = av_gettime();
1054 if (last_time == -1) {
1055 last_time = cur_time;
1058 if ((cur_time - last_time) < 500000)
1060 last_time = cur_time;
1064 oc = output_files[0];
1066 total_size = url_fsize(oc->pb);
1067 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1068 total_size= url_ftell(oc->pb);
1073 for(i=0;i<nb_ostreams;i++) {
1075 os = output_files[ost->file_index];
1076 enc = ost->st->codec;
1077 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1078 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1079 !ost->st->stream_copy ?
1080 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1082 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1083 float t = (av_gettime()-timer_start) / 1000000.0;
1085 frame_number = ost->frame_number;
1086 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1087 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1088 !ost->st->stream_copy ?
1089 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1091 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1094 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1095 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1098 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1100 if (enc->flags&CODEC_FLAG_PSNR){
1102 double error, error_sum=0;
1103 double scale, scale_sum=0;
1104 char type[3]= {'Y','U','V'};
1105 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1108 error= enc->error[j];
1109 scale= enc->width*enc->height*255.0*255.0*frame_number;
1111 error= enc->coded_frame->error[j];
1112 scale= enc->width*enc->height*255.0*255.0;
1117 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1123 /* compute min output value */
1124 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1125 if ((pts < ti1) && (pts > 0))
1131 if (verbose || is_last_report) {
1132 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1134 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1135 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1136 (double)total_size / 1024, ti1, bitrate);
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1140 nb_frames_dup, nb_frames_drop);
1143 fprintf(stderr, "%s \r", buf);
1148 if (is_last_report && verbose >= 0){
1149 int64_t raw= audio_size + video_size + extra_size;
1150 fprintf(stderr, "\n");
1151 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1155 100.0*(total_size - raw)/raw
1160 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1161 static int output_packet(AVInputStream *ist, int ist_index,
1162 AVOutputStream **ost_table, int nb_ostreams,
1163 const AVPacket *pkt)
1165 AVFormatContext *os;
1166 AVOutputStream *ost;
1170 int data_size, got_picture;
1172 void *buffer_to_free;
1173 static unsigned int samples_size= 0;
1174 static short *samples= NULL;
1175 AVSubtitle subtitle, *subtitle_to_free;
1178 if(ist->next_pts == AV_NOPTS_VALUE)
1179 ist->next_pts= ist->pts;
1188 if(pkt->dts != AV_NOPTS_VALUE)
1189 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1194 //while we have more to decode or while the decoder did output something on EOF
1195 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1197 ist->pts= ist->next_pts;
1199 if(len && len != pkt->size && verbose>0)
1200 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1202 /* decode the packet if needed */
1203 data_buf = NULL; /* fail safe */
1205 subtitle_to_free = NULL;
1206 if (ist->decoding_needed) {
1207 switch(ist->st->codec->codec_type) {
1208 case CODEC_TYPE_AUDIO:{
1209 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1210 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1212 samples= av_malloc(samples_size);
1214 data_size= samples_size;
1215 /* XXX: could avoid copy if PCM 16 bits with same
1216 endianness as CPU */
1217 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1223 /* Some bug in mpeg audio decoder gives */
1224 /* data_size < 0, it seems they are overflows */
1225 if (data_size <= 0) {
1226 /* no audio frame */
1229 data_buf = (uint8_t *)samples;
1230 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1231 (ist->st->codec->sample_rate * ist->st->codec->channels);
1233 case CODEC_TYPE_VIDEO:
1234 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1235 /* XXX: allocate picture correctly */
1236 avcodec_get_frame_defaults(&picture);
1238 ret = avcodec_decode_video(ist->st->codec,
1239 &picture, &got_picture, ptr, len);
1240 ist->st->quality= picture.quality;
1244 /* no picture yet */
1245 goto discard_packet;
1247 if (ist->st->codec->time_base.num != 0) {
1248 ist->next_pts += ((int64_t)AV_TIME_BASE *
1249 ist->st->codec->time_base.num) /
1250 ist->st->codec->time_base.den;
1254 case CODEC_TYPE_SUBTITLE:
1255 ret = avcodec_decode_subtitle(ist->st->codec,
1256 &subtitle, &got_subtitle, ptr, len);
1259 if (!got_subtitle) {
1260 goto discard_packet;
1262 subtitle_to_free = &subtitle;
1269 switch(ist->st->codec->codec_type) {
1270 case CODEC_TYPE_AUDIO:
1271 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1272 ist->st->codec->sample_rate;
1274 case CODEC_TYPE_VIDEO:
1275 if (ist->st->codec->time_base.num != 0) {
1276 ist->next_pts += ((int64_t)AV_TIME_BASE *
1277 ist->st->codec->time_base.num) /
1278 ist->st->codec->time_base.den;
1288 buffer_to_free = NULL;
1289 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1290 pre_process_video_frame(ist, (AVPicture *)&picture,
1294 // preprocess audio (volume)
1295 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1296 if (audio_volume != 256) {
1299 for(i=0;i<(data_size / sizeof(short));i++) {
1300 int v = ((*volp) * audio_volume + 128) >> 8;
1301 if (v < -32768) v = -32768;
1302 if (v > 32767) v = 32767;
1308 /* frame rate emulation */
1309 if (ist->st->codec->rate_emu) {
1310 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1311 int64_t now = av_gettime() - ist->start;
1319 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1320 is the one of the next displayed one */
1321 /* XXX: add mpeg4 too ? */
1322 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1323 if (ist->st->codec->pict_type != B_TYPE) {
1325 tmp = ist->last_ip_pts;
1326 ist->last_ip_pts = ist->frac_pts.val;
1327 ist->frac_pts.val = tmp;
1331 /* if output time reached then transcode raw format,
1332 encode packets and output them */
1333 if (start_time == 0 || ist->pts >= start_time)
1334 for(i=0;i<nb_ostreams;i++) {
1338 if (ost->source_index == ist_index) {
1339 os = output_files[ost->file_index];
1342 printf("%d: got pts=%0.3f %0.3f\n", i,
1343 (double)pkt->pts / AV_TIME_BASE,
1344 ((double)ist->pts / AV_TIME_BASE) -
1345 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1347 /* set the input output pts pairs */
1348 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1350 if (ost->encoding_needed) {
1351 switch(ost->st->codec->codec_type) {
1352 case CODEC_TYPE_AUDIO:
1353 do_audio_out(os, ost, ist, data_buf, data_size);
1355 case CODEC_TYPE_VIDEO:
1356 do_video_out(os, ost, ist, &picture, &frame_size);
1357 if (vstats_filename && frame_size)
1358 do_video_stats(os, ost, frame_size);
1360 case CODEC_TYPE_SUBTITLE:
1361 do_subtitle_out(os, ost, ist, &subtitle,
1368 AVFrame avframe; //FIXME/XXX remove this
1370 av_init_packet(&opkt);
1372 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1375 /* no reencoding needed : output the packet directly */
1376 /* force the input stream PTS */
1378 avcodec_get_frame_defaults(&avframe);
1379 ost->st->codec->coded_frame= &avframe;
1380 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1382 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1383 audio_size += data_size;
1384 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1385 video_size += data_size;
1389 opkt.stream_index= ost->index;
1390 if(pkt->pts != AV_NOPTS_VALUE)
1391 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1393 opkt.pts= AV_NOPTS_VALUE;
1395 if (pkt->dts == AV_NOPTS_VALUE)
1396 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1398 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1400 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1401 opkt.flags= pkt->flags;
1403 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1404 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1405 opkt.destruct= av_destruct_packet;
1407 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1408 ost->st->codec->frame_number++;
1409 ost->frame_number++;
1410 av_free_packet(&opkt);
1414 av_free(buffer_to_free);
1415 /* XXX: allocate the subtitles in the codec ? */
1416 if (subtitle_to_free) {
1417 if (subtitle_to_free->rects != NULL) {
1418 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1419 av_free(subtitle_to_free->rects[i].bitmap);
1420 av_free(subtitle_to_free->rects[i].rgba_palette);
1422 av_freep(&subtitle_to_free->rects);
1424 subtitle_to_free->num_rects = 0;
1425 subtitle_to_free = NULL;
1432 for(i=0;i<nb_ostreams;i++) {
1434 if (ost->source_index == ist_index) {
1435 AVCodecContext *enc= ost->st->codec;
1436 os = output_files[ost->file_index];
1438 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1440 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1443 if (ost->encoding_needed) {
1447 av_init_packet(&pkt);
1448 pkt.stream_index= ost->index;
1450 switch(ost->st->codec->codec_type) {
1451 case CODEC_TYPE_AUDIO:
1452 fifo_bytes = av_fifo_size(&ost->fifo);
1454 /* encode any samples remaining in fifo */
1455 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1456 int fs_tmp = enc->frame_size;
1457 enc->frame_size = fifo_bytes / (2 * enc->channels);
1458 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1459 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1460 enc->frame_size = fs_tmp;
1463 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1466 pkt.flags |= PKT_FLAG_KEY;
1468 case CODEC_TYPE_VIDEO:
1469 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1471 if(enc->coded_frame && enc->coded_frame->key_frame)
1472 pkt.flags |= PKT_FLAG_KEY;
1473 if (ost->logfile && enc->stats_out) {
1474 fprintf(ost->logfile, "%s", enc->stats_out);
1483 pkt.data= bit_buffer;
1485 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1486 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1487 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1499 static void print_sdp(AVFormatContext **avc, int n)
1503 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1504 printf("SDP:\n%s\n", sdp);
1507 static int stream_index_from_inputs(AVFormatContext **input_files,
1509 AVInputFile *file_table,
1510 AVInputStream **ist_table,
1511 enum CodecType type,
1515 for(z=0; z<nb_input_files; z++) {
1516 AVFormatContext *ic = input_files[z];
1517 for(p=0; p<ic->nb_programs; p++) {
1518 AVProgram *program = ic->programs[p];
1519 if(program->id != programid)
1521 for(q=0; q<program->nb_stream_indexes; q++) {
1522 int sidx = program->stream_index[q];
1523 int ris = file_table[z].ist_index + sidx;
1524 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1534 * The following code is the main loop of the file converter
1536 static int av_encode(AVFormatContext **output_files,
1537 int nb_output_files,
1538 AVFormatContext **input_files,
1540 AVStreamMap *stream_maps, int nb_stream_maps)
1542 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1543 AVFormatContext *is, *os;
1544 AVCodecContext *codec, *icodec;
1545 AVOutputStream *ost, **ost_table = NULL;
1546 AVInputStream *ist, **ist_table = NULL;
1547 AVInputFile *file_table;
1551 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1555 /* input stream init */
1557 for(i=0;i<nb_input_files;i++) {
1558 is = input_files[i];
1559 file_table[i].ist_index = j;
1560 file_table[i].nb_streams = is->nb_streams;
1561 j += is->nb_streams;
1565 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1569 for(i=0;i<nb_istreams;i++) {
1570 ist = av_mallocz(sizeof(AVInputStream));
1576 for(i=0;i<nb_input_files;i++) {
1577 is = input_files[i];
1578 for(k=0;k<is->nb_streams;k++) {
1579 ist = ist_table[j++];
1580 ist->st = is->streams[k];
1581 ist->file_index = i;
1583 ist->discard = 1; /* the stream is discarded by default
1586 if (ist->st->codec->rate_emu) {
1587 ist->start = av_gettime();
1593 /* output stream init */
1595 for(i=0;i<nb_output_files;i++) {
1596 os = output_files[i];
1597 if (!os->nb_streams) {
1598 fprintf(stderr, "Output file does not contain any stream\n");
1601 nb_ostreams += os->nb_streams;
1603 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1604 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1608 /* Sanity check the mapping args -- do the input files & streams exist? */
1609 for(i=0;i<nb_stream_maps;i++) {
1610 int fi = stream_maps[i].file_index;
1611 int si = stream_maps[i].stream_index;
1613 if (fi < 0 || fi > nb_input_files - 1 ||
1614 si < 0 || si > file_table[fi].nb_streams - 1) {
1615 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1618 fi = stream_maps[i].sync_file_index;
1619 si = stream_maps[i].sync_stream_index;
1620 if (fi < 0 || fi > nb_input_files - 1 ||
1621 si < 0 || si > file_table[fi].nb_streams - 1) {
1622 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1627 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1630 for(i=0;i<nb_ostreams;i++) {
1631 ost = av_mallocz(sizeof(AVOutputStream));
1638 for(k=0;k<nb_output_files;k++) {
1639 os = output_files[k];
1640 for(i=0;i<os->nb_streams;i++,n++) {
1643 ost->file_index = k;
1645 ost->st = os->streams[i];
1646 if (nb_stream_maps > 0) {
1647 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1648 stream_maps[n].stream_index;
1650 /* Sanity check that the stream types match */
1651 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1652 int i= ost->file_index;
1653 dump_format(output_files[i], i, output_files[i]->filename, 1);
1654 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1655 stream_maps[n].file_index, stream_maps[n].stream_index,
1656 ost->file_index, ost->index);
1663 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1665 ost->source_index = j;
1669 /* get corresponding input stream index : we select the first one with the right type */
1671 for(j=0;j<nb_istreams;j++) {
1674 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1675 ost->source_index = j;
1683 if(! opt_programid) {
1684 /* try again and reuse existing stream */
1685 for(j=0;j<nb_istreams;j++) {
1687 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1688 ost->source_index = j;
1694 int i= ost->file_index;
1695 dump_format(output_files[i], i, output_files[i]->filename, 1);
1696 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1697 ost->file_index, ost->index);
1702 ist = ist_table[ost->source_index];
1704 ost->sync_ist = (nb_stream_maps > 0) ?
1705 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1706 stream_maps[n].sync_stream_index] : ist;
1710 /* for each output stream, we compute the right encoding parameters */
1711 for(i=0;i<nb_ostreams;i++) {
1713 os = output_files[ost->file_index];
1714 ist = ist_table[ost->source_index];
1716 codec = ost->st->codec;
1717 icodec = ist->st->codec;
1719 if (!ost->st->language[0])
1720 av_strlcpy(ost->st->language, ist->st->language,
1721 sizeof(ost->st->language));
1723 ost->st->disposition = ist->st->disposition;
1725 if (ost->st->stream_copy) {
1726 /* if stream_copy is selected, no need to decode or encode */
1727 codec->codec_id = icodec->codec_id;
1728 codec->codec_type = icodec->codec_type;
1730 if(!codec->codec_tag){
1731 if( !os->oformat->codec_tag
1732 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1733 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1734 codec->codec_tag = icodec->codec_tag;
1737 codec->bit_rate = icodec->bit_rate;
1738 codec->extradata= icodec->extradata;
1739 codec->extradata_size= icodec->extradata_size;
1740 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1741 codec->time_base = icodec->time_base;
1743 codec->time_base = ist->st->time_base;
1744 switch(codec->codec_type) {
1745 case CODEC_TYPE_AUDIO:
1746 if(audio_volume != 256) {
1747 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1750 codec->sample_rate = icodec->sample_rate;
1751 codec->channels = icodec->channels;
1752 codec->frame_size = icodec->frame_size;
1753 codec->block_align= icodec->block_align;
1754 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1755 codec->block_align= 0;
1756 if(codec->codec_id == CODEC_ID_AC3)
1757 codec->block_align= 0;
1759 case CODEC_TYPE_VIDEO:
1761 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1764 codec->pix_fmt = icodec->pix_fmt;
1765 codec->width = icodec->width;
1766 codec->height = icodec->height;
1767 codec->has_b_frames = icodec->has_b_frames;
1769 case CODEC_TYPE_SUBTITLE:
1775 switch(codec->codec_type) {
1776 case CODEC_TYPE_AUDIO:
1777 if (av_fifo_init(&ost->fifo, 1024))
1779 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1780 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1781 icodec->request_channels = codec->channels;
1782 ist->decoding_needed = 1;
1783 ost->encoding_needed = 1;
1785 case CODEC_TYPE_VIDEO:
1786 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1787 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1788 ost->video_resample = ((codec->width != icodec->width -
1789 (frame_leftBand + frame_rightBand) +
1790 (frame_padleft + frame_padright)) ||
1791 (codec->height != icodec->height -
1792 (frame_topBand + frame_bottomBand) +
1793 (frame_padtop + frame_padbottom)) ||
1794 (codec->pix_fmt != icodec->pix_fmt));
1795 if (ost->video_crop) {
1796 ost->topBand = frame_topBand;
1797 ost->leftBand = frame_leftBand;
1799 if (ost->video_pad) {
1800 ost->padtop = frame_padtop;
1801 ost->padleft = frame_padleft;
1802 ost->padbottom = frame_padbottom;
1803 ost->padright = frame_padright;
1804 if (!ost->video_resample) {
1805 avcodec_get_frame_defaults(&ost->pict_tmp);
1806 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1807 codec->width, codec->height))
1811 if (ost->video_resample) {
1812 avcodec_get_frame_defaults(&ost->pict_tmp);
1813 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1814 codec->width, codec->height)) {
1815 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1818 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1819 ost->img_resample_ctx = sws_getContext(
1820 icodec->width - (frame_leftBand + frame_rightBand),
1821 icodec->height - (frame_topBand + frame_bottomBand),
1823 codec->width - (frame_padleft + frame_padright),
1824 codec->height - (frame_padtop + frame_padbottom),
1826 sws_flags, NULL, NULL, NULL);
1827 if (ost->img_resample_ctx == NULL) {
1828 fprintf(stderr, "Cannot get resampling context\n");
1831 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1833 ost->encoding_needed = 1;
1834 ist->decoding_needed = 1;
1836 case CODEC_TYPE_SUBTITLE:
1837 ost->encoding_needed = 1;
1838 ist->decoding_needed = 1;
1845 if (ost->encoding_needed &&
1846 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1847 char logfilename[1024];
1852 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1854 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1855 if (codec->flags & CODEC_FLAG_PASS1) {
1856 f = fopen(logfilename, "w");
1858 perror(logfilename);
1863 /* read the log file */
1864 f = fopen(logfilename, "r");
1866 perror(logfilename);
1869 fseek(f, 0, SEEK_END);
1871 fseek(f, 0, SEEK_SET);
1872 logbuffer = av_malloc(size + 1);
1874 fprintf(stderr, "Could not allocate log buffer\n");
1877 size = fread(logbuffer, 1, size, f);
1879 logbuffer[size] = '\0';
1880 codec->stats_in = logbuffer;
1884 if(codec->codec_type == CODEC_TYPE_VIDEO){
1885 int size= codec->width * codec->height;
1886 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1891 bit_buffer = av_malloc(bit_buffer_size);
1895 /* dump the file output parameters - cannot be done before in case
1897 for(i=0;i<nb_output_files;i++) {
1898 dump_format(output_files[i], i, output_files[i]->filename, 1);
1901 /* dump the stream mapping */
1903 fprintf(stderr, "Stream mapping:\n");
1904 for(i=0;i<nb_ostreams;i++) {
1906 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1907 ist_table[ost->source_index]->file_index,
1908 ist_table[ost->source_index]->index,
1911 if (ost->sync_ist != ist_table[ost->source_index])
1912 fprintf(stderr, " [sync #%d.%d]",
1913 ost->sync_ist->file_index,
1914 ost->sync_ist->index);
1915 fprintf(stderr, "\n");
1919 /* open each encoder */
1920 for(i=0;i<nb_ostreams;i++) {
1922 if (ost->encoding_needed) {
1924 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1926 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1927 ost->file_index, ost->index);
1930 if (avcodec_open(ost->st->codec, codec) < 0) {
1931 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1932 ost->file_index, ost->index);
1935 extra_size += ost->st->codec->extradata_size;
1939 /* open each decoder */
1940 for(i=0;i<nb_istreams;i++) {
1942 if (ist->decoding_needed) {
1944 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1946 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1947 ist->st->codec->codec_id, ist->file_index, ist->index);
1950 if (avcodec_open(ist->st->codec, codec) < 0) {
1951 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1952 ist->file_index, ist->index);
1955 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1956 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1961 for(i=0;i<nb_istreams;i++) {
1963 is = input_files[ist->file_index];
1965 ist->next_pts = AV_NOPTS_VALUE;
1969 /* set meta data information from input file if required */
1970 for (i=0;i<nb_meta_data_maps;i++) {
1971 AVFormatContext *out_file;
1972 AVFormatContext *in_file;
1974 int out_file_index = meta_data_maps[i].out_file;
1975 int in_file_index = meta_data_maps[i].in_file;
1976 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1977 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1978 ret = AVERROR(EINVAL);
1981 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1982 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1983 ret = AVERROR(EINVAL);
1987 out_file = output_files[out_file_index];
1988 in_file = input_files[in_file_index];
1990 strcpy(out_file->title, in_file->title);
1991 strcpy(out_file->author, in_file->author);
1992 strcpy(out_file->copyright, in_file->copyright);
1993 strcpy(out_file->comment, in_file->comment);
1994 strcpy(out_file->album, in_file->album);
1995 out_file->year = in_file->year;
1996 out_file->track = in_file->track;
1997 strcpy(out_file->genre, in_file->genre);
2000 /* open files and write file headers */
2001 for(i=0;i<nb_output_files;i++) {
2002 os = output_files[i];
2003 if (av_write_header(os) < 0) {
2004 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2005 ret = AVERROR(EINVAL);
2008 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2013 print_sdp(output_files, nb_output_files);
2016 if (!using_stdin && verbose >= 0) {
2017 fprintf(stderr, "Press [q] to stop encoding\n");
2018 url_set_interrupt_cb(decode_interrupt_cb);
2023 timer_start = av_gettime();
2025 for(; received_sigterm == 0;) {
2026 int file_index, ist_index;
2034 /* if 'q' pressed, exits */
2038 /* read_key() returns 0 on EOF */
2044 /* select the stream that we must read now by looking at the
2045 smallest output pts */
2047 for(i=0;i<nb_ostreams;i++) {
2050 os = output_files[ost->file_index];
2051 ist = ist_table[ost->source_index];
2052 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2053 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2055 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2056 ipts = (double)ist->pts;
2057 if (!file_table[ist->file_index].eof_reached){
2058 if(ipts < ipts_min) {
2060 if(input_sync ) file_index = ist->file_index;
2062 if(opts < opts_min) {
2064 if(!input_sync) file_index = ist->file_index;
2067 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2072 /* if none, if is finished */
2073 if (file_index < 0) {
2077 /* finish if recording time exhausted */
2078 if (opts_min >= (recording_time / 1000000.0))
2081 /* finish if limit size exhausted */
2082 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2085 /* read a frame from it and output it in the fifo */
2086 is = input_files[file_index];
2087 if (av_read_frame(is, &pkt) < 0) {
2088 file_table[file_index].eof_reached = 1;
2096 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2098 /* the following test is needed in case new streams appear
2099 dynamically in stream : we ignore them */
2100 if (pkt.stream_index >= file_table[file_index].nb_streams)
2101 goto discard_packet;
2102 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2103 ist = ist_table[ist_index];
2105 goto discard_packet;
2107 if (pkt.dts != AV_NOPTS_VALUE)
2108 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2109 if (pkt.pts != AV_NOPTS_VALUE)
2110 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2112 if(input_files_ts_scale[file_index][pkt.stream_index]){
2113 if(pkt.pts != AV_NOPTS_VALUE)
2114 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2115 if(pkt.dts != AV_NOPTS_VALUE)
2116 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2119 // 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);
2120 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2121 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2122 int64_t delta= pkt_dts - ist->next_pts;
2123 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2124 input_files_ts_offset[ist->file_index]-= delta;
2126 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2127 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2128 if(pkt.pts != AV_NOPTS_VALUE)
2129 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2133 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2134 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2137 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2138 ist->file_index, ist->index);
2141 av_free_packet(&pkt);
2146 av_free_packet(&pkt);
2148 /* dump report by using the output first video and audio streams */
2149 print_report(output_files, ost_table, nb_ostreams, 0);
2152 /* at the end of stream, we must flush the decoder buffers */
2153 for(i=0;i<nb_istreams;i++) {
2155 if (ist->decoding_needed) {
2156 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2162 /* write the trailer if needed and close file */
2163 for(i=0;i<nb_output_files;i++) {
2164 os = output_files[i];
2165 av_write_trailer(os);
2168 /* dump report by using the first video and audio streams */
2169 print_report(output_files, ost_table, nb_ostreams, 1);
2171 /* close each encoder */
2172 for(i=0;i<nb_ostreams;i++) {
2174 if (ost->encoding_needed) {
2175 av_freep(&ost->st->codec->stats_in);
2176 avcodec_close(ost->st->codec);
2180 /* close each decoder */
2181 for(i=0;i<nb_istreams;i++) {
2183 if (ist->decoding_needed) {
2184 avcodec_close(ist->st->codec);
2192 av_freep(&bit_buffer);
2193 av_free(file_table);
2196 for(i=0;i<nb_istreams;i++) {
2203 for(i=0;i<nb_ostreams;i++) {
2207 fclose(ost->logfile);
2208 ost->logfile = NULL;
2210 av_fifo_free(&ost->fifo); /* works even if fifo is not
2211 initialized but set to zero */
2212 av_free(ost->pict_tmp.data[0]);
2213 if (ost->video_resample)
2214 sws_freeContext(ost->img_resample_ctx);
2216 audio_resample_close(ost->resample);
2217 if (ost->reformat_ctx)
2218 av_audio_convert_free(ost->reformat_ctx);
2226 ret = AVERROR(ENOMEM);
2231 int file_read(const char *filename)
2234 unsigned char buffer[1024];
2237 if (url_open(&h, filename, O_RDONLY) < 0) {
2238 printf("could not open '%s'\n", filename);
2242 len = url_read(h, buffer, sizeof(buffer));
2245 for(i=0;i<len;i++) putchar(buffer[i]);
2252 static void opt_format(const char *arg)
2254 /* compatibility stuff for pgmyuv */
2255 if (!strcmp(arg, "pgmyuv")) {
2256 pgmyuv_compatibility_hack=1;
2257 // opt_image_format(arg);
2259 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2262 file_iformat = av_find_input_format(arg);
2263 file_oformat = guess_format(arg, NULL, NULL);
2264 if (!file_iformat && !file_oformat) {
2265 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2270 static int opt_default(const char *opt, const char *arg){
2272 const AVOption *o= NULL;
2273 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2275 for(type=0; type<CODEC_TYPE_NB; type++){
2276 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2278 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2281 o = av_set_string2(avformat_opts, opt, arg, 1);
2283 o = av_set_string2(sws_opts, opt, arg, 1);
2286 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2287 else if(opt[0] == 'v')
2288 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2289 else if(opt[0] == 's')
2290 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2295 // 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));
2297 //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
2298 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2299 opt_names[opt_name_count++]= o->name;
2301 if(avctx_opts[0]->debug || avformat_opts->debug)
2302 av_log_set_level(AV_LOG_DEBUG);
2306 static void opt_video_rc_override_string(const char *arg)
2308 video_rc_override_string = arg;
2311 static int opt_me_threshold(const char *opt, const char *arg)
2313 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2317 static int opt_verbose(const char *opt, const char *arg)
2319 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2320 av_log_set_level(verbose);
2324 static int opt_frame_rate(const char *opt, const char *arg)
2326 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2327 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2333 static int opt_bitrate(const char *opt, const char *arg)
2335 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2337 opt_default(opt, arg);
2339 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2340 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2345 static void opt_frame_crop_top(const char *arg)
2347 frame_topBand = atoi(arg);
2348 if (frame_topBand < 0) {
2349 fprintf(stderr, "Incorrect top crop size\n");
2352 if ((frame_topBand % 2) != 0) {
2353 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2356 if ((frame_topBand) >= 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_topBand;
2363 static void opt_frame_crop_bottom(const char *arg)
2365 frame_bottomBand = atoi(arg);
2366 if (frame_bottomBand < 0) {
2367 fprintf(stderr, "Incorrect bottom crop size\n");
2370 if ((frame_bottomBand % 2) != 0) {
2371 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2374 if ((frame_bottomBand) >= frame_height){
2375 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2378 frame_height -= frame_bottomBand;
2381 static void opt_frame_crop_left(const char *arg)
2383 frame_leftBand = atoi(arg);
2384 if (frame_leftBand < 0) {
2385 fprintf(stderr, "Incorrect left crop size\n");
2388 if ((frame_leftBand % 2) != 0) {
2389 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2392 if ((frame_leftBand) >= 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_leftBand;
2399 static void opt_frame_crop_right(const char *arg)
2401 frame_rightBand = atoi(arg);
2402 if (frame_rightBand < 0) {
2403 fprintf(stderr, "Incorrect right crop size\n");
2406 if ((frame_rightBand % 2) != 0) {
2407 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2410 if ((frame_rightBand) >= frame_width){
2411 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2414 frame_width -= frame_rightBand;
2417 static void opt_frame_size(const char *arg)
2419 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2420 fprintf(stderr, "Incorrect frame size\n");
2423 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2424 fprintf(stderr, "Frame size must be a multiple of 2\n");
2430 #define SCALEBITS 10
2431 #define ONE_HALF (1 << (SCALEBITS - 1))
2432 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2434 #define RGB_TO_Y(r, g, b) \
2435 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2436 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2438 #define RGB_TO_U(r1, g1, b1, shift)\
2439 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2440 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2442 #define RGB_TO_V(r1, g1, b1, shift)\
2443 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2444 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2446 static void opt_pad_color(const char *arg) {
2447 /* Input is expected to be six hex digits similar to
2448 how colors are expressed in html tags (but without the #) */
2449 int rgb = strtol(arg, NULL, 16);
2453 g = ((rgb >> 8) & 255);
2456 padcolor[0] = RGB_TO_Y(r,g,b);
2457 padcolor[1] = RGB_TO_U(r,g,b,0);
2458 padcolor[2] = RGB_TO_V(r,g,b,0);
2461 static void opt_frame_pad_top(const char *arg)
2463 frame_padtop = atoi(arg);
2464 if (frame_padtop < 0) {
2465 fprintf(stderr, "Incorrect top pad size\n");
2468 if ((frame_padtop % 2) != 0) {
2469 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2474 static void opt_frame_pad_bottom(const char *arg)
2476 frame_padbottom = atoi(arg);
2477 if (frame_padbottom < 0) {
2478 fprintf(stderr, "Incorrect bottom pad size\n");
2481 if ((frame_padbottom % 2) != 0) {
2482 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2488 static void opt_frame_pad_left(const char *arg)
2490 frame_padleft = atoi(arg);
2491 if (frame_padleft < 0) {
2492 fprintf(stderr, "Incorrect left pad size\n");
2495 if ((frame_padleft % 2) != 0) {
2496 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2502 static void opt_frame_pad_right(const char *arg)
2504 frame_padright = atoi(arg);
2505 if (frame_padright < 0) {
2506 fprintf(stderr, "Incorrect right pad size\n");
2509 if ((frame_padright % 2) != 0) {
2510 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2515 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2519 for (i=-1; i < nb_fmts; i++) {
2520 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2521 fprintf(stdout, "%s\n", fmt_str);
2525 static void opt_frame_pix_fmt(const char *arg)
2527 if (strcmp(arg, "list"))
2528 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2530 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2535 static void opt_frame_aspect_ratio(const char *arg)
2542 p = strchr(arg, ':');
2544 x = strtol(arg, &end, 10);
2546 y = strtol(end+1, &end, 10);
2548 ar = (double)x / (double)y;
2550 ar = strtod(arg, NULL);
2553 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2556 frame_aspect_ratio = ar;
2559 static void opt_qscale(const char *arg)
2561 video_qscale = atof(arg);
2562 if (video_qscale <= 0 ||
2563 video_qscale > 255) {
2564 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2569 static void opt_top_field_first(const char *arg)
2571 top_field_first= atoi(arg);
2574 static int opt_thread_count(const char *opt, const char *arg)
2576 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2577 #if !defined(HAVE_THREADS)
2579 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2584 static void opt_audio_sample_fmt(const char *arg)
2586 if (strcmp(arg, "list"))
2587 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2589 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2594 static int opt_audio_rate(const char *opt, const char *arg)
2596 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2600 static int opt_audio_channels(const char *opt, const char *arg)
2602 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2606 static void opt_video_channel(const char *arg)
2608 video_channel = strtol(arg, NULL, 0);
2611 static void opt_video_standard(const char *arg)
2613 video_standard = av_strdup(arg);
2616 static void opt_codec(int *pstream_copy, char **pcodec_name,
2617 int codec_type, const char *arg)
2619 av_freep(pcodec_name);
2620 if (!strcmp(arg, "copy")) {
2623 *pcodec_name = av_strdup(arg);
2627 static void opt_audio_codec(const char *arg)
2629 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2632 static void opt_audio_tag(const char *arg)
2635 audio_codec_tag= strtol(arg, &tail, 0);
2638 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2641 static void opt_video_tag(const char *arg)
2644 video_codec_tag= strtol(arg, &tail, 0);
2647 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2651 static void add_frame_hooker(const char *arg)
2656 char *args = av_strdup(arg);
2660 argv[0] = strtok(args, " ");
2661 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2664 i = frame_hook_add(argc, argv);
2667 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2673 static void opt_video_codec(const char *arg)
2675 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2678 static void opt_subtitle_codec(const char *arg)
2680 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2683 static void opt_map(const char *arg)
2688 m = &stream_maps[nb_stream_maps++];
2690 m->file_index = strtol(arg, &p, 0);
2694 m->stream_index = strtol(p, &p, 0);
2697 m->sync_file_index = strtol(p, &p, 0);
2700 m->sync_stream_index = strtol(p, &p, 0);
2702 m->sync_file_index = m->file_index;
2703 m->sync_stream_index = m->stream_index;
2707 static void opt_map_meta_data(const char *arg)
2712 m = &meta_data_maps[nb_meta_data_maps++];
2714 m->out_file = strtol(arg, &p, 0);
2718 m->in_file = strtol(p, &p, 0);
2721 static void opt_input_ts_scale(const char *arg)
2723 unsigned int stream;
2727 stream = strtol(arg, &p, 0);
2730 scale= strtod(p, &p);
2732 if(stream >= MAX_STREAMS)
2735 input_files_ts_scale[nb_input_files][stream]= scale;
2738 static int opt_recording_time(const char *opt, const char *arg)
2740 recording_time = parse_time_or_die(opt, arg, 1);
2744 static int opt_start_time(const char *opt, const char *arg)
2746 start_time = parse_time_or_die(opt, arg, 1);
2750 static int opt_rec_timestamp(const char *opt, const char *arg)
2752 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2756 static int opt_input_ts_offset(const char *opt, const char *arg)
2758 input_ts_offset = parse_time_or_die(opt, arg, 1);
2762 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2764 const char *codec_string = encoder ? "encoder" : "decoder";
2768 return CODEC_ID_NONE;
2770 avcodec_find_encoder_by_name(name) :
2771 avcodec_find_decoder_by_name(name);
2773 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2776 if(codec->type != type) {
2777 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2783 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2786 for(i=0; i<opt_name_count; i++){
2788 const AVOption *opt;
2789 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2790 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2791 if(str && ((opt->flags & flags) == flags))
2792 av_set_string2(ctx, opt_names[i], str, 1);
2796 static void opt_input_file(const char *filename)
2798 AVFormatContext *ic;
2799 AVFormatParameters params, *ap = ¶ms;
2800 int err, i, ret, rfps, rfps_base;
2803 if (!strcmp(filename, "-"))
2806 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2807 !strcmp(filename, "/dev/stdin");
2809 /* get default parameters from command line */
2810 ic = av_alloc_format_context();
2812 memset(ap, 0, sizeof(*ap));
2813 ap->prealloced_context = 1;
2814 ap->sample_rate = audio_sample_rate;
2815 ap->channels = audio_channels;
2816 ap->time_base.den = frame_rate.num;
2817 ap->time_base.num = frame_rate.den;
2818 ap->width = frame_width + frame_padleft + frame_padright;
2819 ap->height = frame_height + frame_padtop + frame_padbottom;
2820 ap->pix_fmt = frame_pix_fmt;
2821 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2822 ap->channel = video_channel;
2823 ap->standard = video_standard;
2824 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2825 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2826 if(pgmyuv_compatibility_hack)
2827 ap->video_codec_id= CODEC_ID_PGMYUV;
2829 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2831 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2832 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2833 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2835 /* open the input file with generic libav function */
2836 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2838 print_error(filename, err);
2843 for(i=0; i<ic->nb_programs; i++)
2844 if(ic->programs[i]->id != opt_programid)
2845 ic->programs[i]->discard = AVDISCARD_ALL;
2848 ic->loop_input = loop_input;
2850 /* If not enough info to get the stream parameters, we decode the
2851 first frames to get it. (used in mpeg case for example) */
2852 ret = av_find_stream_info(ic);
2853 if (ret < 0 && verbose >= 0) {
2854 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2858 timestamp = start_time;
2859 /* add the stream start time */
2860 if (ic->start_time != AV_NOPTS_VALUE)
2861 timestamp += ic->start_time;
2863 /* if seeking requested, we execute it */
2864 if (start_time != 0) {
2865 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2867 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2868 filename, (double)timestamp / AV_TIME_BASE);
2870 /* reset seek info */
2874 /* update the current parameters so that they match the one of the input stream */
2875 for(i=0;i<ic->nb_streams;i++) {
2876 AVCodecContext *enc = ic->streams[i]->codec;
2878 avcodec_thread_init(enc, thread_count);
2879 enc->thread_count= thread_count;
2880 switch(enc->codec_type) {
2881 case CODEC_TYPE_AUDIO:
2882 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2883 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2884 audio_channels = enc->channels;
2885 audio_sample_rate = enc->sample_rate;
2886 audio_sample_fmt = enc->sample_fmt;
2888 ic->streams[i]->discard= AVDISCARD_ALL;
2890 case CODEC_TYPE_VIDEO:
2891 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2892 frame_height = enc->height;
2893 frame_width = enc->width;
2894 if(ic->streams[i]->sample_aspect_ratio.num)
2895 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2897 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2898 frame_aspect_ratio *= (float) enc->width / enc->height;
2899 frame_pix_fmt = enc->pix_fmt;
2900 rfps = ic->streams[i]->r_frame_rate.num;
2901 rfps_base = ic->streams[i]->r_frame_rate.den;
2902 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2904 enc->debug |= FF_DEBUG_MV;
2906 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2909 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2910 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2912 (float)rfps / rfps_base, rfps, rfps_base);
2914 /* update the current frame rate to match the stream frame rate */
2915 frame_rate.num = rfps;
2916 frame_rate.den = rfps_base;
2918 enc->rate_emu = rate_emu;
2920 ic->streams[i]->discard= AVDISCARD_ALL;
2921 else if(video_discard)
2922 ic->streams[i]->discard= video_discard;
2924 case CODEC_TYPE_DATA:
2926 case CODEC_TYPE_SUBTITLE:
2927 if(subtitle_disable)
2928 ic->streams[i]->discard = AVDISCARD_ALL;
2930 case CODEC_TYPE_ATTACHMENT:
2931 case CODEC_TYPE_UNKNOWN:
2938 input_files[nb_input_files] = ic;
2939 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2940 /* dump the file content */
2942 dump_format(ic, nb_input_files, filename, 0);
2945 file_iformat = NULL;
2946 file_oformat = NULL;
2951 av_freep(&video_codec_name);
2952 av_freep(&audio_codec_name);
2953 av_freep(&subtitle_codec_name);
2956 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2957 int *has_subtitle_ptr)
2959 int has_video, has_audio, has_subtitle, i, j;
2960 AVFormatContext *ic;
2965 for(j=0;j<nb_input_files;j++) {
2966 ic = input_files[j];
2967 for(i=0;i<ic->nb_streams;i++) {
2968 AVCodecContext *enc = ic->streams[i]->codec;
2969 switch(enc->codec_type) {
2970 case CODEC_TYPE_AUDIO:
2973 case CODEC_TYPE_VIDEO:
2976 case CODEC_TYPE_SUBTITLE:
2979 case CODEC_TYPE_DATA:
2980 case CODEC_TYPE_ATTACHMENT:
2981 case CODEC_TYPE_UNKNOWN:
2988 *has_video_ptr = has_video;
2989 *has_audio_ptr = has_audio;
2990 *has_subtitle_ptr = has_subtitle;
2993 static void new_video_stream(AVFormatContext *oc)
2996 AVCodecContext *video_enc;
2999 st = av_new_stream(oc, oc->nb_streams);
3001 fprintf(stderr, "Could not alloc stream\n");
3004 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3005 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3006 video_bitstream_filters= NULL;
3009 avcodec_thread_init(st->codec, thread_count);
3011 video_enc = st->codec;
3014 video_enc->codec_tag= video_codec_tag;
3016 if( (video_global_header&1)
3017 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3018 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3019 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3021 if(video_global_header&2){
3022 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3023 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3026 if (video_stream_copy) {
3027 st->stream_copy = 1;
3028 video_enc->codec_type = CODEC_TYPE_VIDEO;
3029 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3034 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3036 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3037 if (video_codec_name)
3038 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3040 video_enc->codec_id = codec_id;
3041 codec = avcodec_find_encoder(codec_id);
3043 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3045 if (codec && codec->supported_framerates && !force_fps)
3046 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3047 video_enc->time_base.den = fps.num;
3048 video_enc->time_base.num = fps.den;
3050 video_enc->width = frame_width + frame_padright + frame_padleft;
3051 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3052 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3053 video_enc->pix_fmt = frame_pix_fmt;
3054 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3056 if(codec && codec->pix_fmts){
3057 const enum PixelFormat *p= codec->pix_fmts;
3059 if(*p == video_enc->pix_fmt)
3063 video_enc->pix_fmt = codec->pix_fmts[0];
3067 video_enc->gop_size = 0;
3068 if (video_qscale || same_quality) {
3069 video_enc->flags |= CODEC_FLAG_QSCALE;
3070 video_enc->global_quality=
3071 st->quality = FF_QP2LAMBDA * video_qscale;
3075 video_enc->intra_matrix = intra_matrix;
3077 video_enc->inter_matrix = inter_matrix;
3079 video_enc->thread_count = thread_count;
3080 p= video_rc_override_string;
3083 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3085 fprintf(stderr, "error parsing rc_override\n");
3088 video_enc->rc_override=
3089 av_realloc(video_enc->rc_override,
3090 sizeof(RcOverride)*(i+1));
3091 video_enc->rc_override[i].start_frame= start;
3092 video_enc->rc_override[i].end_frame = end;
3094 video_enc->rc_override[i].qscale= q;
3095 video_enc->rc_override[i].quality_factor= 1.0;
3098 video_enc->rc_override[i].qscale= 0;
3099 video_enc->rc_override[i].quality_factor= -q/100.0;
3104 video_enc->rc_override_count=i;
3105 if (!video_enc->rc_initial_buffer_occupancy)
3106 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3107 video_enc->me_threshold= me_threshold;
3108 video_enc->intra_dc_precision= intra_dc_precision - 8;
3111 video_enc->flags|= CODEC_FLAG_PSNR;
3116 video_enc->flags |= CODEC_FLAG_PASS1;
3118 video_enc->flags |= CODEC_FLAG_PASS2;
3123 /* reset some key parameters */
3125 av_freep(&video_codec_name);
3126 video_stream_copy = 0;
3129 static void new_audio_stream(AVFormatContext *oc)
3132 AVCodecContext *audio_enc;
3135 st = av_new_stream(oc, oc->nb_streams);
3137 fprintf(stderr, "Could not alloc stream\n");
3140 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3142 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3143 audio_bitstream_filters= NULL;
3146 avcodec_thread_init(st->codec, thread_count);
3148 audio_enc = st->codec;
3149 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3152 audio_enc->codec_tag= audio_codec_tag;
3154 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3155 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3156 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3158 if (audio_stream_copy) {
3159 st->stream_copy = 1;
3160 audio_enc->channels = audio_channels;
3163 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3165 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3167 if (audio_codec_name)
3168 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3169 audio_enc->codec_id = codec_id;
3170 codec = avcodec_find_encoder(codec_id);
3172 if (audio_qscale > QSCALE_NONE) {
3173 audio_enc->flags |= CODEC_FLAG_QSCALE;
3174 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3176 audio_enc->thread_count = thread_count;
3177 audio_enc->channels = audio_channels;
3178 audio_enc->sample_fmt = audio_sample_fmt;
3180 if(codec && codec->sample_fmts){
3181 const enum SampleFormat *p= codec->sample_fmts;
3183 if(*p == audio_enc->sample_fmt)
3187 audio_enc->sample_fmt = codec->sample_fmts[0];
3190 audio_enc->sample_rate = audio_sample_rate;
3191 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3192 if (audio_language) {
3193 av_strlcpy(st->language, audio_language, sizeof(st->language));
3194 av_free(audio_language);
3195 audio_language = NULL;
3198 /* reset some key parameters */
3200 av_freep(&audio_codec_name);
3201 audio_stream_copy = 0;
3204 static void new_subtitle_stream(AVFormatContext *oc)
3207 AVCodecContext *subtitle_enc;
3209 st = av_new_stream(oc, oc->nb_streams);
3211 fprintf(stderr, "Could not alloc stream\n");
3214 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3216 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3217 subtitle_bitstream_filters= NULL;
3219 subtitle_enc = st->codec;
3220 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3221 if (subtitle_stream_copy) {
3222 st->stream_copy = 1;
3224 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3225 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3228 if (subtitle_language) {
3229 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3230 av_free(subtitle_language);
3231 subtitle_language = NULL;
3234 subtitle_disable = 0;
3235 av_freep(&subtitle_codec_name);
3236 subtitle_stream_copy = 0;
3239 static void opt_new_audio_stream(void)
3241 AVFormatContext *oc;
3242 if (nb_output_files <= 0) {
3243 fprintf(stderr, "At least one output file must be specified\n");
3246 oc = output_files[nb_output_files - 1];
3247 new_audio_stream(oc);
3250 static void opt_new_video_stream(void)
3252 AVFormatContext *oc;
3253 if (nb_output_files <= 0) {
3254 fprintf(stderr, "At least one output file must be specified\n");
3257 oc = output_files[nb_output_files - 1];
3258 new_video_stream(oc);
3261 static void opt_new_subtitle_stream(void)
3263 AVFormatContext *oc;
3264 if (nb_output_files <= 0) {
3265 fprintf(stderr, "At least one output file must be specified\n");
3268 oc = output_files[nb_output_files - 1];
3269 new_subtitle_stream(oc);
3272 static void opt_output_file(const char *filename)
3274 AVFormatContext *oc;
3275 int use_video, use_audio, use_subtitle;
3276 int input_has_video, input_has_audio, input_has_subtitle;
3277 AVFormatParameters params, *ap = ¶ms;
3279 if (!strcmp(filename, "-"))
3282 oc = av_alloc_format_context();
3284 if (!file_oformat) {
3285 file_oformat = guess_format(NULL, filename, NULL);
3286 if (!file_oformat) {
3287 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3293 oc->oformat = file_oformat;
3294 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3296 if (!strcmp(file_oformat->name, "ffm") &&
3297 av_strstart(filename, "http:", NULL)) {
3298 /* special case for files sent to ffserver: we get the stream
3299 parameters from ffserver */
3300 int err = read_ffserver_streams(oc, filename);
3302 print_error(filename, err);
3306 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3307 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3308 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3310 /* disable if no corresponding type found and at least one
3312 if (nb_input_files > 0) {
3313 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3314 &input_has_subtitle);
3315 if (!input_has_video)
3317 if (!input_has_audio)
3319 if (!input_has_subtitle)
3323 /* manual disable */
3324 if (audio_disable) {
3327 if (video_disable) {
3330 if (subtitle_disable) {
3335 new_video_stream(oc);
3339 new_audio_stream(oc);
3343 new_subtitle_stream(oc);
3346 oc->timestamp = rec_timestamp;
3349 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3351 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3353 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3355 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3357 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3359 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3362 output_files[nb_output_files++] = oc;
3364 /* check filename in case of an image number is expected */
3365 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3366 if (!av_filename_number_test(oc->filename)) {
3367 print_error(oc->filename, AVERROR_NUMEXPECTED);
3372 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3373 /* test if it already exists to avoid loosing precious files */
3374 if (!file_overwrite &&
3375 (strchr(filename, ':') == NULL ||
3376 filename[1] == ':' ||
3377 av_strstart(filename, "file:", NULL))) {
3378 if (url_exist(filename)) {
3382 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3385 if (toupper(c) != 'Y') {
3386 fprintf(stderr, "Not overwriting - exiting\n");
3391 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3398 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3399 fprintf(stderr, "Could not open '%s'\n", filename);
3404 memset(ap, 0, sizeof(*ap));
3405 if (av_set_parameters(oc, ap) < 0) {
3406 fprintf(stderr, "%s: Invalid encoding parameters\n",
3411 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3412 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3413 oc->loop_output = loop_output;
3415 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3417 /* reset some options */
3418 file_oformat = NULL;
3419 file_iformat = NULL;
3422 /* same option as mencoder */
3423 static void opt_pass(const char *pass_str)
3426 pass = atoi(pass_str);
3427 if (pass != 1 && pass != 2) {
3428 fprintf(stderr, "pass number can be only 1 or 2\n");
3434 static int64_t getutime(void)
3436 #ifdef HAVE_GETRUSAGE
3437 struct rusage rusage;
3439 getrusage(RUSAGE_SELF, &rusage);
3440 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3441 #elif defined(HAVE_GETPROCESSTIMES)
3443 FILETIME c, e, k, u;
3444 proc = GetCurrentProcess();
3445 GetProcessTimes(proc, &c, &e, &k, &u);
3446 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3448 return av_gettime();
3452 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3455 const char *p = str;
3462 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3469 static void opt_inter_matrix(const char *arg)
3471 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3472 parse_matrix_coeffs(inter_matrix, arg);
3475 static void opt_intra_matrix(const char *arg)
3477 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3478 parse_matrix_coeffs(intra_matrix, arg);
3482 * Trivial log callback.
3483 * Only suitable for show_help and similar since it lacks prefix handling.
3485 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3487 vfprintf(stdout, fmt, vl);
3490 static void show_help(void)
3492 av_log_set_callback(log_callback_help);
3493 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3494 "Hyper fast Audio and Video encoder\n");
3496 show_help_options(options, "Main options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3498 show_help_options(options, "\nAdvanced options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3501 show_help_options(options, "\nVideo options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3504 show_help_options(options, "\nAdvanced Video options:\n",
3505 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 OPT_VIDEO | OPT_EXPERT);
3507 show_help_options(options, "\nAudio options:\n",
3508 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3510 show_help_options(options, "\nAdvanced Audio options:\n",
3511 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3512 OPT_AUDIO | OPT_EXPERT);
3513 show_help_options(options, "\nSubtitle options:\n",
3514 OPT_SUBTITLE | OPT_GRAB,
3516 show_help_options(options, "\nAudio/Video grab options:\n",
3520 av_opt_show(avctx_opts[0], NULL);
3522 av_opt_show(avformat_opts, NULL);
3524 av_opt_show(sws_opts, NULL);
3527 static void opt_target(const char *arg)
3530 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3532 if(!strncmp(arg, "pal-", 4)) {
3535 } else if(!strncmp(arg, "ntsc-", 5)) {
3538 } else if(!strncmp(arg, "film-", 5)) {
3543 /* Calculate FR via float to avoid int overflow */
3544 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3547 } else if((fr == 29970) || (fr == 23976)) {
3550 /* Try to determine PAL/NTSC by peeking in the input files */
3551 if(nb_input_files) {
3553 for(j = 0; j < nb_input_files; j++) {
3554 for(i = 0; i < input_files[j]->nb_streams; i++) {
3555 AVCodecContext *c = input_files[j]->streams[i]->codec;
3556 if(c->codec_type != CODEC_TYPE_VIDEO)
3558 fr = c->time_base.den * 1000 / c->time_base.num;
3562 } else if((fr == 29970) || (fr == 23976)) {
3572 if(verbose && norm >= 0)
3573 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3577 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3578 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3579 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3583 if(!strcmp(arg, "vcd")) {
3585 opt_video_codec("mpeg1video");
3586 opt_audio_codec("mp2");
3589 opt_frame_size(norm ? "352x240" : "352x288");
3590 opt_frame_rate(NULL, frame_rates[norm]);
3591 opt_default("gop", norm ? "18" : "15");
3593 opt_default("b", "1150000");
3594 opt_default("maxrate", "1150000");
3595 opt_default("minrate", "1150000");
3596 opt_default("bufsize", "327680"); // 40*1024*8;
3598 opt_default("ab", "224000");
3599 audio_sample_rate = 44100;
3602 opt_default("packetsize", "2324");
3603 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3605 /* We have to offset the PTS, so that it is consistent with the SCR.
3606 SCR starts at 36000, but the first two packs contain only padding
3607 and the first pack from the other stream, respectively, may also have
3608 been written before.
3609 So the real data starts at SCR 36000+3*1200. */
3610 mux_preload= (36000+3*1200) / 90000.0; //0.44
3611 } else if(!strcmp(arg, "svcd")) {
3613 opt_video_codec("mpeg2video");
3614 opt_audio_codec("mp2");
3617 opt_frame_size(norm ? "480x480" : "480x576");
3618 opt_frame_rate(NULL, frame_rates[norm]);
3619 opt_default("gop", norm ? "18" : "15");
3621 opt_default("b", "2040000");
3622 opt_default("maxrate", "2516000");
3623 opt_default("minrate", "0"); //1145000;
3624 opt_default("bufsize", "1835008"); //224*1024*8;
3625 opt_default("flags", "+scan_offset");
3628 opt_default("ab", "224000");
3629 audio_sample_rate = 44100;
3631 opt_default("packetsize", "2324");
3633 } else if(!strcmp(arg, "dvd")) {
3635 opt_video_codec("mpeg2video");
3636 opt_audio_codec("ac3");
3639 opt_frame_size(norm ? "720x480" : "720x576");
3640 opt_frame_rate(NULL, frame_rates[norm]);
3641 opt_default("gop", norm ? "18" : "15");
3643 opt_default("b", "6000000");
3644 opt_default("maxrate", "9000000");
3645 opt_default("minrate", "0"); //1500000;
3646 opt_default("bufsize", "1835008"); //224*1024*8;
3648 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3649 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3651 opt_default("ab", "448000");
3652 audio_sample_rate = 48000;
3654 } else if(!strncmp(arg, "dv", 2)) {
3658 opt_frame_size(norm ? "720x480" : "720x576");
3659 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3660 (norm ? "yuv411p" : "yuv420p"));
3661 opt_frame_rate(NULL, frame_rates[norm]);
3663 audio_sample_rate = 48000;
3667 fprintf(stderr, "Unknown target: %s\n", arg);
3672 static void opt_vstats_file (const char *arg)
3674 av_free (vstats_filename);
3675 vstats_filename=av_strdup (arg);
3678 static void opt_vstats (void)
3681 time_t today2 = time(NULL);
3682 struct tm *today = localtime(&today2);
3684 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3686 opt_vstats_file(filename);
3689 static int opt_bsf(const char *opt, const char *arg)
3691 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3692 AVBitStreamFilterContext **bsfp;
3695 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3699 bsfp= *opt == 'v' ? &video_bitstream_filters :
3700 *opt == 'a' ? &audio_bitstream_filters :
3701 &subtitle_bitstream_filters;
3703 bsfp= &(*bsfp)->next;
3710 static int opt_preset(const char *opt, const char *arg)
3713 char tmp[1000], tmp2[1000], line[1000];
3715 const char *base[3]= { getenv("HOME"),
3720 for(i=!base[0]; i<3 && !f; i++){
3721 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3724 char *codec_name= *opt == 'v' ? video_codec_name :
3725 *opt == 'a' ? audio_codec_name :
3726 subtitle_codec_name;
3727 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3731 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/')){
3736 fprintf(stderr, "Preset file not found\n");
3741 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3742 if(line[0] == '#' && !e)
3744 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3746 fprintf(stderr, "Preset file invalid\n");
3749 if(!strcmp(tmp, "acodec")){
3750 opt_audio_codec(tmp2);
3751 }else if(!strcmp(tmp, "vcodec")){
3752 opt_video_codec(tmp2);
3753 }else if(!strcmp(tmp, "scodec")){
3754 opt_subtitle_codec(tmp2);
3756 opt_default(tmp, tmp2);
3764 static const OptionDef options[] = {
3766 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3767 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3768 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3769 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3770 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3771 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3772 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3773 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3774 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3775 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3776 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3777 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3778 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3779 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3780 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3781 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3782 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3783 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3784 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3785 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3786 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3787 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3788 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3789 "add timings for benchmarking" },
3790 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3791 "dump each input packet" },
3792 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3793 "when dumping packets, also dump the payload" },
3794 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3795 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3796 { "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)", "" },
3797 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3798 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3799 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3800 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3801 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3802 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3803 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3804 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3805 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3806 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3807 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3808 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3811 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3812 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3813 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3814 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3815 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3816 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3817 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3818 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3819 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3820 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3821 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3822 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3823 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3824 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3825 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3826 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3827 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3828 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3829 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3830 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3831 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3832 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3833 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3834 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3835 "use same video quality as source (implies VBR)" },
3836 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3837 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3838 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3839 "deinterlace pictures" },
3840 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3841 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3842 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3844 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3846 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3847 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3848 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3849 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3850 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3851 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3852 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3853 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3856 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3857 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3858 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3859 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3860 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3861 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3862 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3863 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3864 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3865 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3866 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3867 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
3869 /* subtitle options */
3870 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3871 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3872 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3873 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3876 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3877 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3878 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3881 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3882 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3884 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3885 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3886 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3888 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3889 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3890 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3892 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3896 int main(int argc, char **argv)
3901 avcodec_register_all();
3902 avdevice_register_all();
3905 if(isatty(STDIN_FILENO))
3906 url_set_interrupt_cb(decode_interrupt_cb);
3908 for(i=0; i<CODEC_TYPE_NB; i++){
3909 avctx_opts[i]= avcodec_alloc_context2(i);
3911 avformat_opts = av_alloc_format_context();
3912 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3921 parse_options(argc, argv, options, opt_output_file);
3923 /* file converter / grab */
3924 if (nb_output_files <= 0) {
3925 fprintf(stderr, "Must supply at least one output file\n");
3929 if (nb_input_files == 0) {
3930 fprintf(stderr, "Must supply at least one input file\n");
3935 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3936 stream_maps, nb_stream_maps);
3937 ti = getutime() - ti;
3939 printf("bench: utime=%0.3fs\n", ti / 1000000.0);