3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 500
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavformat/framehook.h"
38 #include "libavcodec/opt.h"
39 #include "libavcodec/audioconvert.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
44 #ifdef HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif defined(HAVE_GETPROCESSTIMES)
51 #if defined(HAVE_TERMIOS_H)
53 #include <sys/ioctl.h>
56 #elif defined(HAVE_CONIO_H)
59 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
69 const char program_name[] = "FFmpeg";
70 const int program_birth_year = 2000;
72 /* select an input stream for an output stream */
73 typedef struct AVStreamMap {
77 int sync_stream_index;
80 /** select an input file for an output file */
81 typedef struct AVMetaDataMap {
86 static const OptionDef options[];
90 static AVFormatContext *input_files[MAX_FILES];
91 static int64_t input_files_ts_offset[MAX_FILES];
92 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
93 static int nb_input_files = 0;
95 static AVFormatContext *output_files[MAX_FILES];
96 static int nb_output_files = 0;
98 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
99 static int nb_stream_maps;
101 static AVMetaDataMap meta_data_maps[MAX_FILES];
102 static int nb_meta_data_maps;
104 static AVInputFormat *file_iformat;
105 static AVOutputFormat *file_oformat;
106 static int frame_width = 0;
107 static int frame_height = 0;
108 static float frame_aspect_ratio = 0;
109 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
110 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
111 static int frame_padtop = 0;
112 static int frame_padbottom = 0;
113 static int frame_padleft = 0;
114 static int frame_padright = 0;
115 static int padcolor[3] = {16,128,128}; /* default to black */
116 static int frame_topBand = 0;
117 static int frame_bottomBand = 0;
118 static int frame_leftBand = 0;
119 static int frame_rightBand = 0;
120 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
121 static AVRational frame_rate;
122 static float video_qscale = 0;
123 static uint16_t *intra_matrix = NULL;
124 static uint16_t *inter_matrix = NULL;
125 #if 0 //experimental, (can be removed)
126 static float video_rc_qsquish=1.0;
127 static float video_rc_qmod_amp=0;
128 static int video_rc_qmod_freq=0;
130 static const char *video_rc_override_string=NULL;
131 static int video_disable = 0;
132 static int video_discard = 0;
133 static char *video_codec_name = NULL;
134 static int video_codec_tag = 0;
135 static int same_quality = 0;
136 static int do_deinterlace = 0;
137 static int top_field_first = -1;
138 static int me_threshold = 0;
139 static int intra_dc_precision = 8;
140 static int loop_input = 0;
141 static int loop_output = AVFMT_NOOUTPUTLOOP;
142 static int qp_hist = 0;
144 static int intra_only = 0;
145 static int audio_sample_rate = 44100;
146 #define QSCALE_NONE -99999
147 static float audio_qscale = QSCALE_NONE;
148 static int audio_disable = 0;
149 static int audio_channels = 1;
150 static char *audio_codec_name = NULL;
151 static int audio_codec_tag = 0;
152 static char *audio_language = NULL;
154 static int subtitle_disable = 0;
155 static char *subtitle_codec_name = NULL;
156 static char *subtitle_language = NULL;
158 static float mux_preload= 0.5;
159 static float mux_max_delay= 0.7;
161 static int64_t recording_time = INT64_MAX;
162 static int64_t start_time = 0;
163 static int64_t rec_timestamp = 0;
164 static int64_t input_ts_offset = 0;
165 static int file_overwrite = 0;
166 static char *str_title = NULL;
167 static char *str_author = NULL;
168 static char *str_copyright = NULL;
169 static char *str_comment = NULL;
170 static char *str_genre = NULL;
171 static char *str_album = NULL;
172 static int do_benchmark = 0;
173 static int do_hex_dump = 0;
174 static int do_pkt_dump = 0;
175 static int do_psnr = 0;
176 static int do_pass = 0;
177 static char *pass_logfilename = NULL;
178 static int audio_stream_copy = 0;
179 static int video_stream_copy = 0;
180 static int subtitle_stream_copy = 0;
181 static int video_sync_method= -1;
182 static int audio_sync_method= 0;
183 static float audio_drift_threshold= 0.1;
184 static int copy_ts= 0;
185 static int opt_shortest = 0; //
186 static int video_global_header = 0;
187 static char *vstats_filename;
188 static FILE *vstats_file;
189 static int opt_programid = 0;
191 static int rate_emu = 0;
193 static int video_channel = 0;
194 static char *video_standard;
196 static int audio_volume = 256;
198 static int using_stdin = 0;
199 static int using_vhook = 0;
200 static int verbose = 1;
201 static int thread_count= 1;
202 static int q_pressed = 0;
203 static int64_t video_size = 0;
204 static int64_t audio_size = 0;
205 static int64_t extra_size = 0;
206 static int nb_frames_dup = 0;
207 static int nb_frames_drop = 0;
208 static int input_sync;
209 static uint64_t limit_filesize = 0; //
211 static int pgmyuv_compatibility_hack=0;
212 static float dts_delta_threshold = 10;
214 static unsigned int sws_flags = SWS_BICUBIC;
216 static const char **opt_names;
217 static int opt_name_count;
218 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
219 static AVFormatContext *avformat_opts;
220 static struct SwsContext *sws_opts;
221 static int64_t timer_start;
223 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
226 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
228 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
230 struct AVInputStream;
232 typedef struct AVOutputStream {
233 int file_index; /* file index */
234 int index; /* stream index in the output file */
235 int source_index; /* AVInputStream index */
236 AVStream *st; /* stream in the output file */
237 int encoding_needed; /* true if encoding needed for this stream */
239 /* input pts and corresponding output pts
241 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
242 struct AVInputStream *sync_ist; /* input stream to sync against */
243 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
246 AVFrame pict_tmp; /* temporary image for resampling */
247 struct SwsContext *img_resample_ctx; /* for image resampling */
251 int topBand; /* cropping area sizes */
255 int padtop; /* padding area sizes */
262 ReSampleContext *resample; /* for audio resampling */
264 AVAudioConvert *reformat_ctx;
265 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
269 typedef struct AVInputStream {
273 int discard; /* true if stream data should be discarded */
274 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
275 int64_t sample_index; /* current sample */
277 int64_t start; /* time when read started */
278 unsigned long frame; /* current frame */
279 int64_t next_pts; /* synthetic pts for cases where pkt.pts
281 int64_t pts; /* current pts */
282 int is_start; /* is 1 at the start and after a discontinuity */
285 typedef struct AVInputFile {
286 int eof_reached; /* true if eof reached */
287 int ist_index; /* index of first stream in ist_table */
288 int buffer_size; /* current total buffer size */
289 int nb_streams; /* nb streams we are aware of */
292 #ifdef HAVE_TERMIOS_H
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty;
298 static void term_exit(void)
300 #ifdef HAVE_TERMIOS_H
301 tcsetattr (0, TCSANOW, &oldtty);
305 static volatile sig_atomic_t received_sigterm = 0;
308 sigterm_handler(int sig)
310 received_sigterm = sig;
314 static void term_init(void)
316 #ifdef HAVE_TERMIOS_H
322 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
323 |INLCR|IGNCR|ICRNL|IXON);
324 tty.c_oflag |= OPOST;
325 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
326 tty.c_cflag &= ~(CSIZE|PARENB);
331 tcsetattr (0, TCSANOW, &tty);
332 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
335 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
336 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
338 register a function to be called at normal program termination
341 #ifdef CONFIG_BEOS_NETSERVER
342 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
346 /* read a key without blocking */
347 static int read_key(void)
349 #if defined(HAVE_TERMIOS_H)
352 #ifndef CONFIG_BEOS_NETSERVER
360 n = select(1, &rfds, NULL, NULL, &tv);
369 #elif defined(HAVE_CONIO_H)
376 static int decode_interrupt_cb(void)
378 return q_pressed || (q_pressed = read_key() == 'q');
381 static int av_exit(int ret)
386 for(i=0;i<nb_output_files;i++) {
387 /* maybe av_close_output_file ??? */
388 AVFormatContext *s = output_files[i];
390 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
392 for(j=0;j<s->nb_streams;j++) {
393 av_free(s->streams[j]->codec);
394 av_free(s->streams[j]);
398 for(i=0;i<nb_input_files;i++)
399 av_close_input_file(input_files[i]);
401 av_free(intra_matrix);
402 av_free(inter_matrix);
406 av_free(vstats_filename);
410 av_free(video_codec_name);
411 av_free(audio_codec_name);
412 av_free(subtitle_codec_name);
414 av_free(video_standard);
416 #ifdef CONFIG_POWERPC_PERF
417 extern void powerpc_display_perf_report(void);
418 powerpc_display_perf_report();
419 #endif /* CONFIG_POWERPC_PERF */
421 if (received_sigterm) {
423 "Received signal %d: terminating.\n",
424 (int) received_sigterm);
428 exit(ret); /* not all OS-es handle main() return value */
432 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
438 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
441 /* copy stream format */
442 s->nb_streams = ic->nb_streams;
443 for(i=0;i<ic->nb_streams;i++) {
446 // FIXME: a more elegant solution is needed
447 st = av_mallocz(sizeof(AVStream));
448 memcpy(st, ic->streams[i], sizeof(AVStream));
449 st->codec = avcodec_alloc_context();
450 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
453 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
455 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
458 if(!st->codec->thread_count)
459 st->codec->thread_count = 1;
460 if(st->codec->thread_count>1)
461 avcodec_thread_init(st->codec, st->codec->thread_count);
463 if(st->codec->flags & CODEC_FLAG_BITEXACT)
468 s->timestamp = av_gettime();
470 av_close_input_file(ic);
475 get_sync_ipts(const AVOutputStream *ost)
477 const AVInputStream *ist = ost->sync_ist;
478 return (double)(ist->pts - start_time)/AV_TIME_BASE;
481 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
485 AVPacket new_pkt= *pkt;
486 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
487 &new_pkt.data, &new_pkt.size,
488 pkt->data, pkt->size,
489 pkt->flags & PKT_FLAG_KEY);
492 new_pkt.destruct= av_destruct_packet;
494 fprintf(stderr, "%s failed for stream %d, codec %s",
495 bsfc->filter->name, pkt->stream_index,
496 avctx->codec ? avctx->codec->name : "copy");
504 ret= av_interleaved_write_frame(s, pkt);
506 print_error("av_interleaved_write_frame()", ret);
511 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
513 static void do_audio_out(AVFormatContext *s,
516 unsigned char *buf, int size)
519 static uint8_t *audio_buf = NULL;
520 static uint8_t *audio_out = NULL;
521 static uint8_t *audio_out2 = NULL;
522 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
524 int size_out, frame_bytes, ret;
525 AVCodecContext *enc= ost->st->codec;
526 AVCodecContext *dec= ist->st->codec;
528 /* SC: dynamic allocation of buffers */
530 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
532 audio_out = av_malloc(audio_out_size);
533 if (!audio_buf || !audio_out)
534 return; /* Should signal an error ! */
536 if (enc->channels != dec->channels)
537 ost->audio_resample = 1;
539 if (ost->audio_resample && !ost->resample) {
540 ost->resample = audio_resample_init(enc->channels, dec->channels,
541 enc->sample_rate, dec->sample_rate);
542 if (!ost->resample) {
543 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
544 dec->channels, dec->sample_rate,
545 enc->channels, enc->sample_rate);
550 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
551 if (dec->sample_fmt!=enc->sample_fmt &&
552 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
554 audio_out2 = av_malloc(audio_out_size);
557 if (ost->reformat_ctx)
558 av_audio_convert_free(ost->reformat_ctx);
559 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
560 dec->sample_fmt, 1, NULL, 0);
561 if (!ost->reformat_ctx) {
562 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
563 avcodec_get_sample_fmt_name(dec->sample_fmt),
564 avcodec_get_sample_fmt_name(enc->sample_fmt));
567 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
570 if(audio_sync_method){
571 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
572 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
573 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
574 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
576 //FIXME resample delay
577 if(fabs(delta) > 50){
578 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
580 byte_delta= FFMAX(byte_delta, -size);
584 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
589 static uint8_t *input_tmp= NULL;
590 input_tmp= av_realloc(input_tmp, byte_delta + size);
592 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
595 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
597 memset(input_tmp, 0, byte_delta);
598 memcpy(input_tmp + byte_delta, buf, size);
602 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
604 }else if(audio_sync_method>1){
605 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
606 assert(ost->audio_resample);
608 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
609 // 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));
610 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
614 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
615 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
617 if (ost->audio_resample) {
619 size_out = audio_resample(ost->resample,
620 (short *)buftmp, (short *)buf,
621 size / (ist->st->codec->channels * 2));
622 size_out = size_out * enc->channels * 2;
628 if (dec->sample_fmt!=enc->sample_fmt) {
629 const void *ibuf[6]= {buftmp};
630 void *obuf[6]= {audio_out2};
631 int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
632 int ostride[6]= {av_get_bits_per_sample_format(enc->sample_fmt)/8};
633 int len= size_out/istride[0];
634 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
635 printf("av_audio_convert() failed\n");
639 /* FIXME: existing code assume that size_out equals framesize*channels*2
640 remove this legacy cruft */
644 /* now encode as many frames as possible */
645 if (enc->frame_size > 1) {
646 /* output resampled raw samples */
647 if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
648 fprintf(stderr, "av_fifo_realloc2() failed\n");
651 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
653 frame_bytes = enc->frame_size * 2 * enc->channels;
655 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
657 av_init_packet(&pkt);
659 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
661 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
663 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
666 pkt.stream_index= ost->index;
669 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
670 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
671 pkt.flags |= PKT_FLAG_KEY;
672 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
674 ost->sync_opts += enc->frame_size;
678 av_init_packet(&pkt);
680 ost->sync_opts += size_out / (2 * enc->channels);
682 /* output a pcm frame */
683 /* XXX: change encoding codec API to avoid this ? */
684 switch(enc->codec->id) {
685 case CODEC_ID_PCM_S32LE:
686 case CODEC_ID_PCM_S32BE:
687 case CODEC_ID_PCM_U32LE:
688 case CODEC_ID_PCM_U32BE:
689 case CODEC_ID_PCM_F32BE:
690 size_out = size_out << 1;
692 case CODEC_ID_PCM_S24LE:
693 case CODEC_ID_PCM_S24BE:
694 case CODEC_ID_PCM_U24LE:
695 case CODEC_ID_PCM_U24BE:
696 case CODEC_ID_PCM_S24DAUD:
697 size_out = size_out / 2 * 3;
699 case CODEC_ID_PCM_S16LE:
700 case CODEC_ID_PCM_S16BE:
701 case CODEC_ID_PCM_U16LE:
702 case CODEC_ID_PCM_U16BE:
705 size_out = size_out >> 1;
708 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
709 ret = avcodec_encode_audio(enc, audio_out, size_out,
712 pkt.stream_index= ost->index;
715 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
716 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
717 pkt.flags |= PKT_FLAG_KEY;
718 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
722 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
726 AVPicture picture_tmp;
729 dec = ist->st->codec;
731 /* deinterlace : must be done before any resize */
732 if (do_deinterlace || using_vhook) {
735 /* create temporary picture */
736 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
737 buf = av_malloc(size);
741 picture2 = &picture_tmp;
742 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
745 if(avpicture_deinterlace(picture2, picture,
746 dec->pix_fmt, dec->width, dec->height) < 0) {
747 /* if error, do not deinterlace */
753 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
760 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
761 1000000 * ist->pts / AV_TIME_BASE);
763 if (picture != picture2)
764 *picture = *picture2;
768 /* we begin to correct av delay at this threshold */
769 #define AV_DELAY_MAX 0.100
771 static void do_subtitle_out(AVFormatContext *s,
777 static uint8_t *subtitle_out = NULL;
778 int subtitle_out_max_size = 65536;
779 int subtitle_out_size, nb, i;
783 if (pts == AV_NOPTS_VALUE) {
784 fprintf(stderr, "Subtitle packets must have a pts\n");
788 enc = ost->st->codec;
791 subtitle_out = av_malloc(subtitle_out_max_size);
794 /* Note: DVB subtitle need one packet to draw them and one other
795 packet to clear them */
796 /* XXX: signal it in the codec context ? */
797 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
802 for(i = 0; i < nb; i++) {
803 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
804 subtitle_out_max_size, sub);
806 av_init_packet(&pkt);
807 pkt.stream_index = ost->index;
808 pkt.data = subtitle_out;
809 pkt.size = subtitle_out_size;
810 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
811 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
812 /* XXX: the pts correction is handled here. Maybe handling
813 it in the codec would be better */
815 pkt.pts += 90 * sub->start_display_time;
817 pkt.pts += 90 * sub->end_display_time;
819 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
823 static int bit_buffer_size= 1024*256;
824 static uint8_t *bit_buffer= NULL;
826 static void do_video_out(AVFormatContext *s,
832 int nb_frames, i, ret;
833 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
834 AVFrame picture_crop_temp, picture_pad_temp;
835 AVCodecContext *enc, *dec;
837 avcodec_get_frame_defaults(&picture_crop_temp);
838 avcodec_get_frame_defaults(&picture_pad_temp);
840 enc = ost->st->codec;
841 dec = ist->st->codec;
843 /* by default, we output a single frame */
848 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
850 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
851 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
854 else if (video_sync_method == 2)
855 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
856 else if (vdelta > 1.1)
857 nb_frames = lrintf(vdelta);
858 //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);
862 fprintf(stderr, "*** drop!\n");
863 }else if (nb_frames > 1) {
864 nb_frames_dup += nb_frames;
866 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
869 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
871 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
875 if (ost->video_crop) {
876 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
877 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");
895 resampling_dst = &picture_pad_temp;
899 if (ost->video_resample) {
901 final_picture = &ost->pict_tmp;
902 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
903 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
906 if (ost->video_pad) {
907 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
908 enc->height, enc->width, enc->pix_fmt,
909 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
912 /* duplicates frame if needed */
913 for(i=0;i<nb_frames;i++) {
915 av_init_packet(&pkt);
916 pkt.stream_index= ost->index;
918 if (s->oformat->flags & AVFMT_RAWPICTURE) {
919 /* raw pictures are written as AVPicture structure to
920 avoid any copies. We support temorarily the older
922 AVFrame* old_frame = enc->coded_frame;
923 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
924 pkt.data= (uint8_t *)final_picture;
925 pkt.size= sizeof(AVPicture);
926 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
927 pkt.flags |= PKT_FLAG_KEY;
929 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
930 enc->coded_frame = old_frame;
934 big_picture= *final_picture;
935 /* better than nothing: use input picture interlaced
937 big_picture.interlaced_frame = in_picture->interlaced_frame;
938 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
939 if(top_field_first == -1)
940 big_picture.top_field_first = in_picture->top_field_first;
942 big_picture.top_field_first = top_field_first;
945 /* handles sameq here. This is not correct because it may
946 not be a global option */
948 big_picture.quality = ist->st->quality;
950 big_picture.quality = ost->st->quality;
952 big_picture.pict_type = 0;
953 // big_picture.pts = AV_NOPTS_VALUE;
954 big_picture.pts= ost->sync_opts;
955 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
956 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
957 ret = avcodec_encode_video(enc,
958 bit_buffer, bit_buffer_size,
961 fprintf(stderr, "Video encoding failed\n");
964 //enc->frame_number = enc->real_pict_num;
966 pkt.data= bit_buffer;
968 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
969 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
970 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
971 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
972 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
974 if(enc->coded_frame->key_frame)
975 pkt.flags |= PKT_FLAG_KEY;
976 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
979 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
980 // enc->frame_number-1, enc->real_pict_num, ret,
982 /* if two pass, output log */
983 if (ost->logfile && enc->stats_out) {
984 fprintf(ost->logfile, "%s", enc->stats_out);
993 static double psnr(double d){
994 return -10.0*log(d)/log(10.0);
997 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1000 AVCodecContext *enc;
1002 double ti1, bitrate, avg_bitrate;
1004 /* this is executed just the first time do_video_stats is called */
1006 vstats_file = fopen(vstats_filename, "w");
1013 enc = ost->st->codec;
1014 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1015 frame_number = ost->frame_number;
1016 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1017 if (enc->flags&CODEC_FLAG_PSNR)
1018 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1020 fprintf(vstats_file,"f_size= %6d ", frame_size);
1021 /* compute pts value */
1022 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1026 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1027 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1028 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1029 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1030 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1034 static void print_report(AVFormatContext **output_files,
1035 AVOutputStream **ost_table, int nb_ostreams,
1039 AVOutputStream *ost;
1040 AVFormatContext *oc, *os;
1042 AVCodecContext *enc;
1043 int frame_number, vid, i;
1044 double bitrate, ti1, pts;
1045 static int64_t last_time = -1;
1046 static int qp_histogram[52];
1048 if (!is_last_report) {
1050 /* display the report every 0.5 seconds */
1051 cur_time = av_gettime();
1052 if (last_time == -1) {
1053 last_time = cur_time;
1056 if ((cur_time - last_time) < 500000)
1058 last_time = cur_time;
1062 oc = output_files[0];
1064 total_size = url_fsize(oc->pb);
1065 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1066 total_size= url_ftell(oc->pb);
1071 for(i=0;i<nb_ostreams;i++) {
1073 os = output_files[ost->file_index];
1074 enc = ost->st->codec;
1075 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1076 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1077 !ost->st->stream_copy ?
1078 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1080 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1081 float t = (av_gettime()-timer_start) / 1000000.0;
1083 frame_number = ost->frame_number;
1084 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1085 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1086 !ost->st->stream_copy ?
1087 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1089 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1092 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1093 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1096 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1098 if (enc->flags&CODEC_FLAG_PSNR){
1100 double error, error_sum=0;
1101 double scale, scale_sum=0;
1102 char type[3]= {'Y','U','V'};
1103 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1106 error= enc->error[j];
1107 scale= enc->width*enc->height*255.0*255.0*frame_number;
1109 error= enc->coded_frame->error[j];
1110 scale= enc->width*enc->height*255.0*255.0;
1115 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1117 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1121 /* compute min output value */
1122 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1123 if ((pts < ti1) && (pts > 0))
1129 if (verbose || is_last_report) {
1130 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1133 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1134 (double)total_size / 1024, ti1, bitrate);
1137 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1138 nb_frames_dup, nb_frames_drop);
1141 fprintf(stderr, "%s \r", buf);
1146 if (is_last_report && verbose >= 0){
1147 int64_t raw= audio_size + video_size + extra_size;
1148 fprintf(stderr, "\n");
1149 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1153 100.0*(total_size - raw)/raw
1158 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1159 static int output_packet(AVInputStream *ist, int ist_index,
1160 AVOutputStream **ost_table, int nb_ostreams,
1161 const AVPacket *pkt)
1163 AVFormatContext *os;
1164 AVOutputStream *ost;
1168 int data_size, got_picture;
1170 void *buffer_to_free;
1171 static unsigned int samples_size= 0;
1172 static short *samples= NULL;
1173 AVSubtitle subtitle, *subtitle_to_free;
1176 if(ist->next_pts == AV_NOPTS_VALUE)
1177 ist->next_pts= ist->pts;
1186 if(pkt->dts != AV_NOPTS_VALUE)
1187 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1192 //while we have more to decode or while the decoder did output something on EOF
1193 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1195 ist->pts= ist->next_pts;
1197 if(len && len != pkt->size && verbose>0)
1198 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1200 /* decode the packet if needed */
1201 data_buf = NULL; /* fail safe */
1203 subtitle_to_free = NULL;
1204 if (ist->decoding_needed) {
1205 switch(ist->st->codec->codec_type) {
1206 case CODEC_TYPE_AUDIO:{
1207 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1208 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1210 samples= av_malloc(samples_size);
1212 data_size= samples_size;
1213 /* XXX: could avoid copy if PCM 16 bits with same
1214 endianness as CPU */
1215 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1221 /* Some bug in mpeg audio decoder gives */
1222 /* data_size < 0, it seems they are overflows */
1223 if (data_size <= 0) {
1224 /* no audio frame */
1227 data_buf = (uint8_t *)samples;
1228 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1229 (ist->st->codec->sample_rate * ist->st->codec->channels);
1231 case CODEC_TYPE_VIDEO:
1232 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1233 /* XXX: allocate picture correctly */
1234 avcodec_get_frame_defaults(&picture);
1236 ret = avcodec_decode_video(ist->st->codec,
1237 &picture, &got_picture, ptr, len);
1238 ist->st->quality= picture.quality;
1242 /* no picture yet */
1243 goto discard_packet;
1245 if (ist->st->codec->time_base.num != 0) {
1246 ist->next_pts += ((int64_t)AV_TIME_BASE *
1247 ist->st->codec->time_base.num) /
1248 ist->st->codec->time_base.den;
1252 case CODEC_TYPE_SUBTITLE:
1253 ret = avcodec_decode_subtitle(ist->st->codec,
1254 &subtitle, &got_subtitle, ptr, len);
1257 if (!got_subtitle) {
1258 goto discard_packet;
1260 subtitle_to_free = &subtitle;
1267 switch(ist->st->codec->codec_type) {
1268 case CODEC_TYPE_AUDIO:
1269 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1270 ist->st->codec->sample_rate;
1272 case CODEC_TYPE_VIDEO:
1273 if (ist->st->codec->time_base.num != 0) {
1274 ist->next_pts += ((int64_t)AV_TIME_BASE *
1275 ist->st->codec->time_base.num) /
1276 ist->st->codec->time_base.den;
1286 buffer_to_free = NULL;
1287 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1288 pre_process_video_frame(ist, (AVPicture *)&picture,
1292 // preprocess audio (volume)
1293 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1294 if (audio_volume != 256) {
1297 for(i=0;i<(data_size / sizeof(short));i++) {
1298 int v = ((*volp) * audio_volume + 128) >> 8;
1299 if (v < -32768) v = -32768;
1300 if (v > 32767) v = 32767;
1306 /* frame rate emulation */
1307 if (ist->st->codec->rate_emu) {
1308 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1309 int64_t now = av_gettime() - ist->start;
1317 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1318 is the one of the next displayed one */
1319 /* XXX: add mpeg4 too ? */
1320 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1321 if (ist->st->codec->pict_type != B_TYPE) {
1323 tmp = ist->last_ip_pts;
1324 ist->last_ip_pts = ist->frac_pts.val;
1325 ist->frac_pts.val = tmp;
1329 /* if output time reached then transcode raw format,
1330 encode packets and output them */
1331 if (start_time == 0 || ist->pts >= start_time)
1332 for(i=0;i<nb_ostreams;i++) {
1336 if (ost->source_index == ist_index) {
1337 os = output_files[ost->file_index];
1340 printf("%d: got pts=%0.3f %0.3f\n", i,
1341 (double)pkt->pts / AV_TIME_BASE,
1342 ((double)ist->pts / AV_TIME_BASE) -
1343 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1345 /* set the input output pts pairs */
1346 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1348 if (ost->encoding_needed) {
1349 switch(ost->st->codec->codec_type) {
1350 case CODEC_TYPE_AUDIO:
1351 do_audio_out(os, ost, ist, data_buf, data_size);
1353 case CODEC_TYPE_VIDEO:
1354 do_video_out(os, ost, ist, &picture, &frame_size);
1355 if (vstats_filename && frame_size)
1356 do_video_stats(os, ost, frame_size);
1358 case CODEC_TYPE_SUBTITLE:
1359 do_subtitle_out(os, ost, ist, &subtitle,
1366 AVFrame avframe; //FIXME/XXX remove this
1368 av_init_packet(&opkt);
1370 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1373 /* no reencoding needed : output the packet directly */
1374 /* force the input stream PTS */
1376 avcodec_get_frame_defaults(&avframe);
1377 ost->st->codec->coded_frame= &avframe;
1378 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1380 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1381 audio_size += data_size;
1382 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1383 video_size += data_size;
1387 opkt.stream_index= ost->index;
1388 if(pkt->pts != AV_NOPTS_VALUE)
1389 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1391 opkt.pts= AV_NOPTS_VALUE;
1393 if (pkt->dts == AV_NOPTS_VALUE)
1394 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1396 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1398 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1399 opkt.flags= pkt->flags;
1401 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1402 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1403 opkt.destruct= av_destruct_packet;
1405 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1406 ost->st->codec->frame_number++;
1407 ost->frame_number++;
1408 av_free_packet(&opkt);
1412 av_free(buffer_to_free);
1413 /* XXX: allocate the subtitles in the codec ? */
1414 if (subtitle_to_free) {
1415 if (subtitle_to_free->rects != NULL) {
1416 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1417 av_free(subtitle_to_free->rects[i].bitmap);
1418 av_free(subtitle_to_free->rects[i].rgba_palette);
1420 av_freep(&subtitle_to_free->rects);
1422 subtitle_to_free->num_rects = 0;
1423 subtitle_to_free = NULL;
1430 for(i=0;i<nb_ostreams;i++) {
1432 if (ost->source_index == ist_index) {
1433 AVCodecContext *enc= ost->st->codec;
1434 os = output_files[ost->file_index];
1436 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1438 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1441 if (ost->encoding_needed) {
1445 av_init_packet(&pkt);
1446 pkt.stream_index= ost->index;
1448 switch(ost->st->codec->codec_type) {
1449 case CODEC_TYPE_AUDIO:
1450 fifo_bytes = av_fifo_size(&ost->fifo);
1452 /* encode any samples remaining in fifo */
1453 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1454 int fs_tmp = enc->frame_size;
1455 enc->frame_size = fifo_bytes / (2 * enc->channels);
1456 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1457 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1458 enc->frame_size = fs_tmp;
1461 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1464 pkt.flags |= PKT_FLAG_KEY;
1466 case CODEC_TYPE_VIDEO:
1467 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1469 if(enc->coded_frame && enc->coded_frame->key_frame)
1470 pkt.flags |= PKT_FLAG_KEY;
1471 if (ost->logfile && enc->stats_out) {
1472 fprintf(ost->logfile, "%s", enc->stats_out);
1481 pkt.data= bit_buffer;
1483 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1484 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1485 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1497 static void print_sdp(AVFormatContext **avc, int n)
1501 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1502 printf("SDP:\n%s\n", sdp);
1505 static int stream_index_from_inputs(AVFormatContext **input_files,
1507 AVInputFile *file_table,
1508 AVInputStream **ist_table,
1509 enum CodecType type,
1513 for(z=0; z<nb_input_files; z++) {
1514 AVFormatContext *ic = input_files[z];
1515 for(p=0; p<ic->nb_programs; p++) {
1516 AVProgram *program = ic->programs[p];
1517 if(program->id != programid)
1519 for(q=0; q<program->nb_stream_indexes; q++) {
1520 int sidx = program->stream_index[q];
1521 int ris = file_table[z].ist_index + sidx;
1522 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1532 * The following code is the main loop of the file converter
1534 static int av_encode(AVFormatContext **output_files,
1535 int nb_output_files,
1536 AVFormatContext **input_files,
1538 AVStreamMap *stream_maps, int nb_stream_maps)
1540 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1541 AVFormatContext *is, *os;
1542 AVCodecContext *codec, *icodec;
1543 AVOutputStream *ost, **ost_table = NULL;
1544 AVInputStream *ist, **ist_table = NULL;
1545 AVInputFile *file_table;
1549 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1553 /* input stream init */
1555 for(i=0;i<nb_input_files;i++) {
1556 is = input_files[i];
1557 file_table[i].ist_index = j;
1558 file_table[i].nb_streams = is->nb_streams;
1559 j += is->nb_streams;
1563 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1567 for(i=0;i<nb_istreams;i++) {
1568 ist = av_mallocz(sizeof(AVInputStream));
1574 for(i=0;i<nb_input_files;i++) {
1575 is = input_files[i];
1576 for(k=0;k<is->nb_streams;k++) {
1577 ist = ist_table[j++];
1578 ist->st = is->streams[k];
1579 ist->file_index = i;
1581 ist->discard = 1; /* the stream is discarded by default
1584 if (ist->st->codec->rate_emu) {
1585 ist->start = av_gettime();
1591 /* output stream init */
1593 for(i=0;i<nb_output_files;i++) {
1594 os = output_files[i];
1595 if (!os->nb_streams) {
1596 fprintf(stderr, "Output file does not contain any stream\n");
1599 nb_ostreams += os->nb_streams;
1601 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1602 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1606 /* Sanity check the mapping args -- do the input files & streams exist? */
1607 for(i=0;i<nb_stream_maps;i++) {
1608 int fi = stream_maps[i].file_index;
1609 int si = stream_maps[i].stream_index;
1611 if (fi < 0 || fi > nb_input_files - 1 ||
1612 si < 0 || si > file_table[fi].nb_streams - 1) {
1613 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1616 fi = stream_maps[i].sync_file_index;
1617 si = stream_maps[i].sync_stream_index;
1618 if (fi < 0 || fi > nb_input_files - 1 ||
1619 si < 0 || si > file_table[fi].nb_streams - 1) {
1620 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1625 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1628 for(i=0;i<nb_ostreams;i++) {
1629 ost = av_mallocz(sizeof(AVOutputStream));
1636 for(k=0;k<nb_output_files;k++) {
1637 os = output_files[k];
1638 for(i=0;i<os->nb_streams;i++,n++) {
1641 ost->file_index = k;
1643 ost->st = os->streams[i];
1644 if (nb_stream_maps > 0) {
1645 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1646 stream_maps[n].stream_index;
1648 /* Sanity check that the stream types match */
1649 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1650 int i= ost->file_index;
1651 dump_format(output_files[i], i, output_files[i]->filename, 1);
1652 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1653 stream_maps[n].file_index, stream_maps[n].stream_index,
1654 ost->file_index, ost->index);
1661 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1663 ost->source_index = j;
1667 /* get corresponding input stream index : we select the first one with the right type */
1669 for(j=0;j<nb_istreams;j++) {
1672 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1673 ost->source_index = j;
1681 if(! opt_programid) {
1682 /* try again and reuse existing stream */
1683 for(j=0;j<nb_istreams;j++) {
1685 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1686 ost->source_index = j;
1692 int i= ost->file_index;
1693 dump_format(output_files[i], i, output_files[i]->filename, 1);
1694 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1695 ost->file_index, ost->index);
1700 ist = ist_table[ost->source_index];
1702 ost->sync_ist = (nb_stream_maps > 0) ?
1703 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1704 stream_maps[n].sync_stream_index] : ist;
1708 /* for each output stream, we compute the right encoding parameters */
1709 for(i=0;i<nb_ostreams;i++) {
1711 os = output_files[ost->file_index];
1712 ist = ist_table[ost->source_index];
1714 codec = ost->st->codec;
1715 icodec = ist->st->codec;
1717 if (!ost->st->language[0])
1718 av_strlcpy(ost->st->language, ist->st->language,
1719 sizeof(ost->st->language));
1721 ost->st->disposition = ist->st->disposition;
1723 if (ost->st->stream_copy) {
1724 /* if stream_copy is selected, no need to decode or encode */
1725 codec->codec_id = icodec->codec_id;
1726 codec->codec_type = icodec->codec_type;
1728 if(!codec->codec_tag){
1729 if( !os->oformat->codec_tag
1730 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1731 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1732 codec->codec_tag = icodec->codec_tag;
1735 codec->bit_rate = icodec->bit_rate;
1736 codec->extradata= icodec->extradata;
1737 codec->extradata_size= icodec->extradata_size;
1738 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1739 codec->time_base = icodec->time_base;
1741 codec->time_base = ist->st->time_base;
1742 switch(codec->codec_type) {
1743 case CODEC_TYPE_AUDIO:
1744 if(audio_volume != 256) {
1745 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1748 codec->sample_rate = icodec->sample_rate;
1749 codec->channels = icodec->channels;
1750 codec->frame_size = icodec->frame_size;
1751 codec->block_align= icodec->block_align;
1752 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1753 codec->block_align= 0;
1754 if(codec->codec_id == CODEC_ID_AC3)
1755 codec->block_align= 0;
1757 case CODEC_TYPE_VIDEO:
1759 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1762 codec->pix_fmt = icodec->pix_fmt;
1763 codec->width = icodec->width;
1764 codec->height = icodec->height;
1765 codec->has_b_frames = icodec->has_b_frames;
1767 case CODEC_TYPE_SUBTITLE:
1773 switch(codec->codec_type) {
1774 case CODEC_TYPE_AUDIO:
1775 if (av_fifo_init(&ost->fifo, 1024))
1777 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1778 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1779 icodec->request_channels = codec->channels;
1780 ist->decoding_needed = 1;
1781 ost->encoding_needed = 1;
1783 case CODEC_TYPE_VIDEO:
1784 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1785 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1786 ost->video_resample = ((codec->width != icodec->width -
1787 (frame_leftBand + frame_rightBand) +
1788 (frame_padleft + frame_padright)) ||
1789 (codec->height != icodec->height -
1790 (frame_topBand + frame_bottomBand) +
1791 (frame_padtop + frame_padbottom)) ||
1792 (codec->pix_fmt != icodec->pix_fmt));
1793 if (ost->video_crop) {
1794 ost->topBand = frame_topBand;
1795 ost->leftBand = frame_leftBand;
1797 if (ost->video_pad) {
1798 ost->padtop = frame_padtop;
1799 ost->padleft = frame_padleft;
1800 ost->padbottom = frame_padbottom;
1801 ost->padright = frame_padright;
1802 if (!ost->video_resample) {
1803 avcodec_get_frame_defaults(&ost->pict_tmp);
1804 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1805 codec->width, codec->height))
1809 if (ost->video_resample) {
1810 avcodec_get_frame_defaults(&ost->pict_tmp);
1811 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1812 codec->width, codec->height)) {
1813 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1816 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1817 ost->img_resample_ctx = sws_getContext(
1818 icodec->width - (frame_leftBand + frame_rightBand),
1819 icodec->height - (frame_topBand + frame_bottomBand),
1821 codec->width - (frame_padleft + frame_padright),
1822 codec->height - (frame_padtop + frame_padbottom),
1824 sws_flags, NULL, NULL, NULL);
1825 if (ost->img_resample_ctx == NULL) {
1826 fprintf(stderr, "Cannot get resampling context\n");
1829 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1831 ost->encoding_needed = 1;
1832 ist->decoding_needed = 1;
1834 case CODEC_TYPE_SUBTITLE:
1835 ost->encoding_needed = 1;
1836 ist->decoding_needed = 1;
1843 if (ost->encoding_needed &&
1844 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1845 char logfilename[1024];
1850 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1852 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1853 if (codec->flags & CODEC_FLAG_PASS1) {
1854 f = fopen(logfilename, "w");
1856 perror(logfilename);
1861 /* read the log file */
1862 f = fopen(logfilename, "r");
1864 perror(logfilename);
1867 fseek(f, 0, SEEK_END);
1869 fseek(f, 0, SEEK_SET);
1870 logbuffer = av_malloc(size + 1);
1872 fprintf(stderr, "Could not allocate log buffer\n");
1875 size = fread(logbuffer, 1, size, f);
1877 logbuffer[size] = '\0';
1878 codec->stats_in = logbuffer;
1882 if(codec->codec_type == CODEC_TYPE_VIDEO){
1883 int size= codec->width * codec->height;
1884 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1889 bit_buffer = av_malloc(bit_buffer_size);
1893 /* dump the file output parameters - cannot be done before in case
1895 for(i=0;i<nb_output_files;i++) {
1896 dump_format(output_files[i], i, output_files[i]->filename, 1);
1899 /* dump the stream mapping */
1901 fprintf(stderr, "Stream mapping:\n");
1902 for(i=0;i<nb_ostreams;i++) {
1904 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1905 ist_table[ost->source_index]->file_index,
1906 ist_table[ost->source_index]->index,
1909 if (ost->sync_ist != ist_table[ost->source_index])
1910 fprintf(stderr, " [sync #%d.%d]",
1911 ost->sync_ist->file_index,
1912 ost->sync_ist->index);
1913 fprintf(stderr, "\n");
1917 /* open each encoder */
1918 for(i=0;i<nb_ostreams;i++) {
1920 if (ost->encoding_needed) {
1922 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1924 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1925 ost->file_index, ost->index);
1928 if (avcodec_open(ost->st->codec, codec) < 0) {
1929 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1930 ost->file_index, ost->index);
1933 extra_size += ost->st->codec->extradata_size;
1937 /* open each decoder */
1938 for(i=0;i<nb_istreams;i++) {
1940 if (ist->decoding_needed) {
1942 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1944 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1945 ist->st->codec->codec_id, ist->file_index, ist->index);
1948 if (avcodec_open(ist->st->codec, codec) < 0) {
1949 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1950 ist->file_index, ist->index);
1953 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1954 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1959 for(i=0;i<nb_istreams;i++) {
1961 is = input_files[ist->file_index];
1963 ist->next_pts = AV_NOPTS_VALUE;
1967 /* set meta data information from input file if required */
1968 for (i=0;i<nb_meta_data_maps;i++) {
1969 AVFormatContext *out_file;
1970 AVFormatContext *in_file;
1972 int out_file_index = meta_data_maps[i].out_file;
1973 int in_file_index = meta_data_maps[i].in_file;
1974 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1975 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1976 ret = AVERROR(EINVAL);
1979 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1980 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1981 ret = AVERROR(EINVAL);
1985 out_file = output_files[out_file_index];
1986 in_file = input_files[in_file_index];
1988 strcpy(out_file->title, in_file->title);
1989 strcpy(out_file->author, in_file->author);
1990 strcpy(out_file->copyright, in_file->copyright);
1991 strcpy(out_file->comment, in_file->comment);
1992 strcpy(out_file->album, in_file->album);
1993 out_file->year = in_file->year;
1994 out_file->track = in_file->track;
1995 strcpy(out_file->genre, in_file->genre);
1998 /* open files and write file headers */
1999 for(i=0;i<nb_output_files;i++) {
2000 os = output_files[i];
2001 if (av_write_header(os) < 0) {
2002 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2003 ret = AVERROR(EINVAL);
2006 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2011 print_sdp(output_files, nb_output_files);
2014 if (!using_stdin && verbose >= 0) {
2015 fprintf(stderr, "Press [q] to stop encoding\n");
2016 url_set_interrupt_cb(decode_interrupt_cb);
2021 timer_start = av_gettime();
2023 for(; received_sigterm == 0;) {
2024 int file_index, ist_index;
2032 /* if 'q' pressed, exits */
2036 /* read_key() returns 0 on EOF */
2042 /* select the stream that we must read now by looking at the
2043 smallest output pts */
2045 for(i=0;i<nb_ostreams;i++) {
2048 os = output_files[ost->file_index];
2049 ist = ist_table[ost->source_index];
2050 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2051 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2053 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2054 ipts = (double)ist->pts;
2055 if (!file_table[ist->file_index].eof_reached){
2056 if(ipts < ipts_min) {
2058 if(input_sync ) file_index = ist->file_index;
2060 if(opts < opts_min) {
2062 if(!input_sync) file_index = ist->file_index;
2065 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2070 /* if none, if is finished */
2071 if (file_index < 0) {
2075 /* finish if recording time exhausted */
2076 if (opts_min >= (recording_time / 1000000.0))
2079 /* finish if limit size exhausted */
2080 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2083 /* read a frame from it and output it in the fifo */
2084 is = input_files[file_index];
2085 if (av_read_frame(is, &pkt) < 0) {
2086 file_table[file_index].eof_reached = 1;
2094 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2096 /* the following test is needed in case new streams appear
2097 dynamically in stream : we ignore them */
2098 if (pkt.stream_index >= file_table[file_index].nb_streams)
2099 goto discard_packet;
2100 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2101 ist = ist_table[ist_index];
2103 goto discard_packet;
2105 if (pkt.dts != AV_NOPTS_VALUE)
2106 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2107 if (pkt.pts != AV_NOPTS_VALUE)
2108 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2110 if(input_files_ts_scale[file_index][pkt.stream_index]){
2111 if(pkt.pts != AV_NOPTS_VALUE)
2112 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2113 if(pkt.dts != AV_NOPTS_VALUE)
2114 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2117 // 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);
2118 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2119 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2120 int64_t delta= pkt_dts - ist->next_pts;
2121 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2122 input_files_ts_offset[ist->file_index]-= delta;
2124 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2125 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2126 if(pkt.pts != AV_NOPTS_VALUE)
2127 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2131 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2132 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2135 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2136 ist->file_index, ist->index);
2138 av_free_packet(&pkt);
2143 av_free_packet(&pkt);
2145 /* dump report by using the output first video and audio streams */
2146 print_report(output_files, ost_table, nb_ostreams, 0);
2149 /* at the end of stream, we must flush the decoder buffers */
2150 for(i=0;i<nb_istreams;i++) {
2152 if (ist->decoding_needed) {
2153 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2159 /* write the trailer if needed and close file */
2160 for(i=0;i<nb_output_files;i++) {
2161 os = output_files[i];
2162 av_write_trailer(os);
2165 /* dump report by using the first video and audio streams */
2166 print_report(output_files, ost_table, nb_ostreams, 1);
2168 /* close each encoder */
2169 for(i=0;i<nb_ostreams;i++) {
2171 if (ost->encoding_needed) {
2172 av_freep(&ost->st->codec->stats_in);
2173 avcodec_close(ost->st->codec);
2177 /* close each decoder */
2178 for(i=0;i<nb_istreams;i++) {
2180 if (ist->decoding_needed) {
2181 avcodec_close(ist->st->codec);
2189 av_freep(&bit_buffer);
2190 av_free(file_table);
2193 for(i=0;i<nb_istreams;i++) {
2200 for(i=0;i<nb_ostreams;i++) {
2204 fclose(ost->logfile);
2205 ost->logfile = NULL;
2207 av_fifo_free(&ost->fifo); /* works even if fifo is not
2208 initialized but set to zero */
2209 av_free(ost->pict_tmp.data[0]);
2210 if (ost->video_resample)
2211 sws_freeContext(ost->img_resample_ctx);
2213 audio_resample_close(ost->resample);
2214 if (ost->reformat_ctx)
2215 av_audio_convert_free(ost->reformat_ctx);
2223 ret = AVERROR(ENOMEM);
2228 int file_read(const char *filename)
2231 unsigned char buffer[1024];
2234 if (url_open(&h, filename, O_RDONLY) < 0) {
2235 printf("could not open '%s'\n", filename);
2239 len = url_read(h, buffer, sizeof(buffer));
2242 for(i=0;i<len;i++) putchar(buffer[i]);
2249 static void opt_format(const char *arg)
2251 /* compatibility stuff for pgmyuv */
2252 if (!strcmp(arg, "pgmyuv")) {
2253 pgmyuv_compatibility_hack=1;
2254 // opt_image_format(arg);
2256 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2259 file_iformat = av_find_input_format(arg);
2260 file_oformat = guess_format(arg, NULL, NULL);
2261 if (!file_iformat && !file_oformat) {
2262 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2267 static int opt_default(const char *opt, const char *arg){
2269 const AVOption *o= NULL;
2270 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2272 for(type=0; type<CODEC_TYPE_NB; type++){
2273 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2275 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2278 o = av_set_string2(avformat_opts, opt, arg, 1);
2280 o = av_set_string2(sws_opts, opt, arg, 1);
2283 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2284 else if(opt[0] == 'v')
2285 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2286 else if(opt[0] == 's')
2287 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2292 // 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));
2294 //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
2295 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2296 opt_names[opt_name_count++]= o->name;
2298 if(avctx_opts[0]->debug || avformat_opts->debug)
2299 av_log_set_level(AV_LOG_DEBUG);
2303 static void opt_video_rc_override_string(const char *arg)
2305 video_rc_override_string = arg;
2308 static int opt_me_threshold(const char *opt, const char *arg)
2310 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2314 static int opt_verbose(const char *opt, const char *arg)
2316 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2317 av_log_set_level(verbose);
2321 static int opt_frame_rate(const char *opt, const char *arg)
2323 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2324 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2330 static int opt_bitrate(const char *opt, const char *arg)
2332 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2334 opt_default(opt, arg);
2336 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2337 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2342 static void opt_frame_crop_top(const char *arg)
2344 frame_topBand = atoi(arg);
2345 if (frame_topBand < 0) {
2346 fprintf(stderr, "Incorrect top crop size\n");
2349 if ((frame_topBand % 2) != 0) {
2350 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2353 if ((frame_topBand) >= frame_height){
2354 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2357 frame_height -= frame_topBand;
2360 static void opt_frame_crop_bottom(const char *arg)
2362 frame_bottomBand = atoi(arg);
2363 if (frame_bottomBand < 0) {
2364 fprintf(stderr, "Incorrect bottom crop size\n");
2367 if ((frame_bottomBand % 2) != 0) {
2368 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2371 if ((frame_bottomBand) >= frame_height){
2372 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2375 frame_height -= frame_bottomBand;
2378 static void opt_frame_crop_left(const char *arg)
2380 frame_leftBand = atoi(arg);
2381 if (frame_leftBand < 0) {
2382 fprintf(stderr, "Incorrect left crop size\n");
2385 if ((frame_leftBand % 2) != 0) {
2386 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2389 if ((frame_leftBand) >= frame_width){
2390 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2393 frame_width -= frame_leftBand;
2396 static void opt_frame_crop_right(const char *arg)
2398 frame_rightBand = atoi(arg);
2399 if (frame_rightBand < 0) {
2400 fprintf(stderr, "Incorrect right crop size\n");
2403 if ((frame_rightBand % 2) != 0) {
2404 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2407 if ((frame_rightBand) >= frame_width){
2408 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2411 frame_width -= frame_rightBand;
2414 static void opt_frame_size(const char *arg)
2416 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2417 fprintf(stderr, "Incorrect frame size\n");
2420 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2421 fprintf(stderr, "Frame size must be a multiple of 2\n");
2427 #define SCALEBITS 10
2428 #define ONE_HALF (1 << (SCALEBITS - 1))
2429 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2431 #define RGB_TO_Y(r, g, b) \
2432 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2433 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2435 #define RGB_TO_U(r1, g1, b1, shift)\
2436 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2437 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2439 #define RGB_TO_V(r1, g1, b1, shift)\
2440 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2441 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2443 static void opt_pad_color(const char *arg) {
2444 /* Input is expected to be six hex digits similar to
2445 how colors are expressed in html tags (but without the #) */
2446 int rgb = strtol(arg, NULL, 16);
2450 g = ((rgb >> 8) & 255);
2453 padcolor[0] = RGB_TO_Y(r,g,b);
2454 padcolor[1] = RGB_TO_U(r,g,b,0);
2455 padcolor[2] = RGB_TO_V(r,g,b,0);
2458 static void opt_frame_pad_top(const char *arg)
2460 frame_padtop = atoi(arg);
2461 if (frame_padtop < 0) {
2462 fprintf(stderr, "Incorrect top pad size\n");
2465 if ((frame_padtop % 2) != 0) {
2466 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2471 static void opt_frame_pad_bottom(const char *arg)
2473 frame_padbottom = atoi(arg);
2474 if (frame_padbottom < 0) {
2475 fprintf(stderr, "Incorrect bottom pad size\n");
2478 if ((frame_padbottom % 2) != 0) {
2479 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2485 static void opt_frame_pad_left(const char *arg)
2487 frame_padleft = atoi(arg);
2488 if (frame_padleft < 0) {
2489 fprintf(stderr, "Incorrect left pad size\n");
2492 if ((frame_padleft % 2) != 0) {
2493 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2499 static void opt_frame_pad_right(const char *arg)
2501 frame_padright = atoi(arg);
2502 if (frame_padright < 0) {
2503 fprintf(stderr, "Incorrect right pad size\n");
2506 if ((frame_padright % 2) != 0) {
2507 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2512 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2516 for (i=-1; i < nb_fmts; i++) {
2517 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2518 fprintf(stdout, "%s\n", fmt_str);
2522 static void opt_frame_pix_fmt(const char *arg)
2524 if (strcmp(arg, "list"))
2525 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2527 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2532 static void opt_frame_aspect_ratio(const char *arg)
2539 p = strchr(arg, ':');
2541 x = strtol(arg, &end, 10);
2543 y = strtol(end+1, &end, 10);
2545 ar = (double)x / (double)y;
2547 ar = strtod(arg, NULL);
2550 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2553 frame_aspect_ratio = ar;
2556 static void opt_qscale(const char *arg)
2558 video_qscale = atof(arg);
2559 if (video_qscale <= 0 ||
2560 video_qscale > 255) {
2561 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2566 static void opt_top_field_first(const char *arg)
2568 top_field_first= atoi(arg);
2571 static int opt_thread_count(const char *opt, const char *arg)
2573 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2574 #if !defined(HAVE_THREADS)
2576 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2581 static void opt_audio_sample_fmt(const char *arg)
2583 if (strcmp(arg, "list"))
2584 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2586 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2591 static int opt_audio_rate(const char *opt, const char *arg)
2593 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2597 static int opt_audio_channels(const char *opt, const char *arg)
2599 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2603 static void opt_video_channel(const char *arg)
2605 video_channel = strtol(arg, NULL, 0);
2608 static void opt_video_standard(const char *arg)
2610 video_standard = av_strdup(arg);
2613 static void opt_codec(int *pstream_copy, char **pcodec_name,
2614 int codec_type, const char *arg)
2616 av_freep(pcodec_name);
2617 if (!strcmp(arg, "copy")) {
2620 *pcodec_name = av_strdup(arg);
2624 static void opt_audio_codec(const char *arg)
2626 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2629 static void opt_audio_tag(const char *arg)
2632 audio_codec_tag= strtol(arg, &tail, 0);
2635 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2638 static void opt_video_tag(const char *arg)
2641 video_codec_tag= strtol(arg, &tail, 0);
2644 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2648 static void add_frame_hooker(const char *arg)
2653 char *args = av_strdup(arg);
2657 argv[0] = strtok(args, " ");
2658 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2661 i = frame_hook_add(argc, argv);
2664 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2670 static void opt_video_codec(const char *arg)
2672 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2675 static void opt_subtitle_codec(const char *arg)
2677 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2680 static void opt_map(const char *arg)
2685 m = &stream_maps[nb_stream_maps++];
2687 m->file_index = strtol(arg, &p, 0);
2691 m->stream_index = strtol(p, &p, 0);
2694 m->sync_file_index = strtol(p, &p, 0);
2697 m->sync_stream_index = strtol(p, &p, 0);
2699 m->sync_file_index = m->file_index;
2700 m->sync_stream_index = m->stream_index;
2704 static void opt_map_meta_data(const char *arg)
2709 m = &meta_data_maps[nb_meta_data_maps++];
2711 m->out_file = strtol(arg, &p, 0);
2715 m->in_file = strtol(p, &p, 0);
2718 static void opt_input_ts_scale(const char *arg)
2720 unsigned int stream;
2724 stream = strtol(arg, &p, 0);
2727 scale= strtod(p, &p);
2729 if(stream >= MAX_STREAMS)
2732 input_files_ts_scale[nb_input_files][stream]= scale;
2735 static int opt_recording_time(const char *opt, const char *arg)
2737 recording_time = parse_time_or_die(opt, arg, 1);
2741 static int opt_start_time(const char *opt, const char *arg)
2743 start_time = parse_time_or_die(opt, arg, 1);
2747 static int opt_rec_timestamp(const char *opt, const char *arg)
2749 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2753 static int opt_input_ts_offset(const char *opt, const char *arg)
2755 input_ts_offset = parse_time_or_die(opt, arg, 1);
2759 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2761 const char *codec_string = encoder ? "encoder" : "decoder";
2765 return CODEC_ID_NONE;
2767 avcodec_find_encoder_by_name(name) :
2768 avcodec_find_decoder_by_name(name);
2770 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2773 if(codec->type != type) {
2774 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2780 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2783 for(i=0; i<opt_name_count; i++){
2785 const AVOption *opt;
2786 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2787 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2788 if(str && ((opt->flags & flags) == flags))
2789 av_set_string2(ctx, opt_names[i], str, 1);
2793 static void opt_input_file(const char *filename)
2795 AVFormatContext *ic;
2796 AVFormatParameters params, *ap = ¶ms;
2797 int err, i, ret, rfps, rfps_base;
2800 if (!strcmp(filename, "-"))
2803 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2804 !strcmp(filename, "/dev/stdin");
2806 /* get default parameters from command line */
2807 ic = av_alloc_format_context();
2809 memset(ap, 0, sizeof(*ap));
2810 ap->prealloced_context = 1;
2811 ap->sample_rate = audio_sample_rate;
2812 ap->channels = audio_channels;
2813 ap->time_base.den = frame_rate.num;
2814 ap->time_base.num = frame_rate.den;
2815 ap->width = frame_width + frame_padleft + frame_padright;
2816 ap->height = frame_height + frame_padtop + frame_padbottom;
2817 ap->pix_fmt = frame_pix_fmt;
2818 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2819 ap->channel = video_channel;
2820 ap->standard = video_standard;
2821 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2822 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2823 if(pgmyuv_compatibility_hack)
2824 ap->video_codec_id= CODEC_ID_PGMYUV;
2826 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2828 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2829 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2830 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2832 /* open the input file with generic libav function */
2833 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2835 print_error(filename, err);
2840 for(i=0; i<ic->nb_programs; i++)
2841 if(ic->programs[i]->id != opt_programid)
2842 ic->programs[i]->discard = AVDISCARD_ALL;
2845 ic->loop_input = loop_input;
2847 /* If not enough info to get the stream parameters, we decode the
2848 first frames to get it. (used in mpeg case for example) */
2849 ret = av_find_stream_info(ic);
2850 if (ret < 0 && verbose >= 0) {
2851 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2855 timestamp = start_time;
2856 /* add the stream start time */
2857 if (ic->start_time != AV_NOPTS_VALUE)
2858 timestamp += ic->start_time;
2860 /* if seeking requested, we execute it */
2861 if (start_time != 0) {
2862 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2864 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2865 filename, (double)timestamp / AV_TIME_BASE);
2867 /* reset seek info */
2871 /* update the current parameters so that they match the one of the input stream */
2872 for(i=0;i<ic->nb_streams;i++) {
2873 AVCodecContext *enc = ic->streams[i]->codec;
2875 avcodec_thread_init(enc, thread_count);
2876 enc->thread_count= thread_count;
2877 switch(enc->codec_type) {
2878 case CODEC_TYPE_AUDIO:
2879 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2880 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2881 audio_channels = enc->channels;
2882 audio_sample_rate = enc->sample_rate;
2883 audio_sample_fmt = enc->sample_fmt;
2885 ic->streams[i]->discard= AVDISCARD_ALL;
2887 case CODEC_TYPE_VIDEO:
2888 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2889 frame_height = enc->height;
2890 frame_width = enc->width;
2891 if(ic->streams[i]->sample_aspect_ratio.num)
2892 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2894 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2895 frame_aspect_ratio *= (float) enc->width / enc->height;
2896 frame_pix_fmt = enc->pix_fmt;
2897 rfps = ic->streams[i]->r_frame_rate.num;
2898 rfps_base = ic->streams[i]->r_frame_rate.den;
2899 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2901 enc->debug |= FF_DEBUG_MV;
2903 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2906 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2907 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2909 (float)rfps / rfps_base, rfps, rfps_base);
2911 /* update the current frame rate to match the stream frame rate */
2912 frame_rate.num = rfps;
2913 frame_rate.den = rfps_base;
2915 enc->rate_emu = rate_emu;
2917 ic->streams[i]->discard= AVDISCARD_ALL;
2918 else if(video_discard)
2919 ic->streams[i]->discard= video_discard;
2921 case CODEC_TYPE_DATA:
2923 case CODEC_TYPE_SUBTITLE:
2924 if(subtitle_disable)
2925 ic->streams[i]->discard = AVDISCARD_ALL;
2927 case CODEC_TYPE_ATTACHMENT:
2928 case CODEC_TYPE_UNKNOWN:
2935 input_files[nb_input_files] = ic;
2936 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2937 /* dump the file content */
2939 dump_format(ic, nb_input_files, filename, 0);
2942 file_iformat = NULL;
2943 file_oformat = NULL;
2948 av_freep(&video_codec_name);
2949 av_freep(&audio_codec_name);
2950 av_freep(&subtitle_codec_name);
2953 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2954 int *has_subtitle_ptr)
2956 int has_video, has_audio, has_subtitle, i, j;
2957 AVFormatContext *ic;
2962 for(j=0;j<nb_input_files;j++) {
2963 ic = input_files[j];
2964 for(i=0;i<ic->nb_streams;i++) {
2965 AVCodecContext *enc = ic->streams[i]->codec;
2966 switch(enc->codec_type) {
2967 case CODEC_TYPE_AUDIO:
2970 case CODEC_TYPE_VIDEO:
2973 case CODEC_TYPE_SUBTITLE:
2976 case CODEC_TYPE_DATA:
2977 case CODEC_TYPE_ATTACHMENT:
2978 case CODEC_TYPE_UNKNOWN:
2985 *has_video_ptr = has_video;
2986 *has_audio_ptr = has_audio;
2987 *has_subtitle_ptr = has_subtitle;
2990 static void new_video_stream(AVFormatContext *oc)
2993 AVCodecContext *video_enc;
2996 st = av_new_stream(oc, oc->nb_streams);
2998 fprintf(stderr, "Could not alloc stream\n");
3001 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3002 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3003 video_bitstream_filters= NULL;
3006 avcodec_thread_init(st->codec, thread_count);
3008 video_enc = st->codec;
3011 video_enc->codec_tag= video_codec_tag;
3013 if( (video_global_header&1)
3014 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3015 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3016 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3018 if(video_global_header&2){
3019 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3020 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3023 if (video_stream_copy) {
3024 st->stream_copy = 1;
3025 video_enc->codec_type = CODEC_TYPE_VIDEO;
3026 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3031 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3033 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3034 if (video_codec_name)
3035 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3037 video_enc->codec_id = codec_id;
3038 codec = avcodec_find_encoder(codec_id);
3040 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3042 video_enc->time_base.den = fps.num;
3043 video_enc->time_base.num = fps.den;
3044 if(codec && codec->supported_framerates){
3045 const AVRational *p= codec->supported_framerates;
3046 const AVRational *best=NULL;
3047 AVRational best_error= (AVRational){INT_MAX, 1};
3048 for(; p->den!=0; p++){
3049 AVRational error= av_sub_q(fps, *p);
3050 if(error.num <0) error.num *= -1;
3051 if(av_cmp_q(error, best_error) < 0){
3056 video_enc->time_base.den= best->num;
3057 video_enc->time_base.num= best->den;
3060 video_enc->width = frame_width + frame_padright + frame_padleft;
3061 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3062 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3063 video_enc->pix_fmt = frame_pix_fmt;
3064 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3066 if(codec && codec->pix_fmts){
3067 const enum PixelFormat *p= codec->pix_fmts;
3069 if(*p == video_enc->pix_fmt)
3073 video_enc->pix_fmt = codec->pix_fmts[0];
3077 video_enc->gop_size = 0;
3078 if (video_qscale || same_quality) {
3079 video_enc->flags |= CODEC_FLAG_QSCALE;
3080 video_enc->global_quality=
3081 st->quality = FF_QP2LAMBDA * video_qscale;
3085 video_enc->intra_matrix = intra_matrix;
3087 video_enc->inter_matrix = inter_matrix;
3089 video_enc->thread_count = thread_count;
3090 p= video_rc_override_string;
3093 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3095 fprintf(stderr, "error parsing rc_override\n");
3098 video_enc->rc_override=
3099 av_realloc(video_enc->rc_override,
3100 sizeof(RcOverride)*(i+1));
3101 video_enc->rc_override[i].start_frame= start;
3102 video_enc->rc_override[i].end_frame = end;
3104 video_enc->rc_override[i].qscale= q;
3105 video_enc->rc_override[i].quality_factor= 1.0;
3108 video_enc->rc_override[i].qscale= 0;
3109 video_enc->rc_override[i].quality_factor= -q/100.0;
3114 video_enc->rc_override_count=i;
3115 if (!video_enc->rc_initial_buffer_occupancy)
3116 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3117 video_enc->me_threshold= me_threshold;
3118 video_enc->intra_dc_precision= intra_dc_precision - 8;
3121 video_enc->flags|= CODEC_FLAG_PSNR;
3126 video_enc->flags |= CODEC_FLAG_PASS1;
3128 video_enc->flags |= CODEC_FLAG_PASS2;
3133 /* reset some key parameters */
3135 av_freep(&video_codec_name);
3136 video_stream_copy = 0;
3139 static void new_audio_stream(AVFormatContext *oc)
3142 AVCodecContext *audio_enc;
3145 st = av_new_stream(oc, oc->nb_streams);
3147 fprintf(stderr, "Could not alloc stream\n");
3150 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3152 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3153 audio_bitstream_filters= NULL;
3156 avcodec_thread_init(st->codec, thread_count);
3158 audio_enc = st->codec;
3159 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3162 audio_enc->codec_tag= audio_codec_tag;
3164 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3165 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3166 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3168 if (audio_stream_copy) {
3169 st->stream_copy = 1;
3170 audio_enc->channels = audio_channels;
3173 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3175 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3177 if (audio_codec_name)
3178 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3179 audio_enc->codec_id = codec_id;
3180 codec = avcodec_find_encoder(codec_id);
3182 if (audio_qscale > QSCALE_NONE) {
3183 audio_enc->flags |= CODEC_FLAG_QSCALE;
3184 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3186 audio_enc->thread_count = thread_count;
3187 audio_enc->channels = audio_channels;
3188 audio_enc->sample_fmt = audio_sample_fmt;
3190 if(codec && codec->sample_fmts){
3191 const enum SampleFormat *p= codec->sample_fmts;
3193 if(*p == audio_enc->sample_fmt)
3197 audio_enc->sample_fmt = codec->sample_fmts[0];
3200 audio_enc->sample_rate = audio_sample_rate;
3201 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3202 if (audio_language) {
3203 av_strlcpy(st->language, audio_language, sizeof(st->language));
3204 av_free(audio_language);
3205 audio_language = NULL;
3208 /* reset some key parameters */
3210 av_freep(&audio_codec_name);
3211 audio_stream_copy = 0;
3214 static void new_subtitle_stream(AVFormatContext *oc)
3217 AVCodecContext *subtitle_enc;
3219 st = av_new_stream(oc, oc->nb_streams);
3221 fprintf(stderr, "Could not alloc stream\n");
3224 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3226 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3227 subtitle_bitstream_filters= NULL;
3229 subtitle_enc = st->codec;
3230 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3231 if (subtitle_stream_copy) {
3232 st->stream_copy = 1;
3234 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3235 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3238 if (subtitle_language) {
3239 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3240 av_free(subtitle_language);
3241 subtitle_language = NULL;
3244 subtitle_disable = 0;
3245 av_freep(&subtitle_codec_name);
3246 subtitle_stream_copy = 0;
3249 static void opt_new_audio_stream(void)
3251 AVFormatContext *oc;
3252 if (nb_output_files <= 0) {
3253 fprintf(stderr, "At least one output file must be specified\n");
3256 oc = output_files[nb_output_files - 1];
3257 new_audio_stream(oc);
3260 static void opt_new_video_stream(void)
3262 AVFormatContext *oc;
3263 if (nb_output_files <= 0) {
3264 fprintf(stderr, "At least one output file must be specified\n");
3267 oc = output_files[nb_output_files - 1];
3268 new_video_stream(oc);
3271 static void opt_new_subtitle_stream(void)
3273 AVFormatContext *oc;
3274 if (nb_output_files <= 0) {
3275 fprintf(stderr, "At least one output file must be specified\n");
3278 oc = output_files[nb_output_files - 1];
3279 new_subtitle_stream(oc);
3282 static void opt_output_file(const char *filename)
3284 AVFormatContext *oc;
3285 int use_video, use_audio, use_subtitle;
3286 int input_has_video, input_has_audio, input_has_subtitle;
3287 AVFormatParameters params, *ap = ¶ms;
3289 if (!strcmp(filename, "-"))
3292 oc = av_alloc_format_context();
3294 if (!file_oformat) {
3295 file_oformat = guess_format(NULL, filename, NULL);
3296 if (!file_oformat) {
3297 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3303 oc->oformat = file_oformat;
3304 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3306 if (!strcmp(file_oformat->name, "ffm") &&
3307 av_strstart(filename, "http:", NULL)) {
3308 /* special case for files sent to ffserver: we get the stream
3309 parameters from ffserver */
3310 int err = read_ffserver_streams(oc, filename);
3312 print_error(filename, err);
3316 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3317 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3318 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3320 /* disable if no corresponding type found and at least one
3322 if (nb_input_files > 0) {
3323 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3324 &input_has_subtitle);
3325 if (!input_has_video)
3327 if (!input_has_audio)
3329 if (!input_has_subtitle)
3333 /* manual disable */
3334 if (audio_disable) {
3337 if (video_disable) {
3340 if (subtitle_disable) {
3345 new_video_stream(oc);
3349 new_audio_stream(oc);
3353 new_subtitle_stream(oc);
3356 oc->timestamp = rec_timestamp;
3359 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3361 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3363 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3365 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3367 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3369 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3372 output_files[nb_output_files++] = oc;
3374 /* check filename in case of an image number is expected */
3375 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3376 if (!av_filename_number_test(oc->filename)) {
3377 print_error(oc->filename, AVERROR_NUMEXPECTED);
3382 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3383 /* test if it already exists to avoid loosing precious files */
3384 if (!file_overwrite &&
3385 (strchr(filename, ':') == NULL ||
3386 filename[1] == ':' ||
3387 av_strstart(filename, "file:", NULL))) {
3388 if (url_exist(filename)) {
3392 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3395 if (toupper(c) != 'Y') {
3396 fprintf(stderr, "Not overwriting - exiting\n");
3401 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3408 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3409 fprintf(stderr, "Could not open '%s'\n", filename);
3414 memset(ap, 0, sizeof(*ap));
3415 if (av_set_parameters(oc, ap) < 0) {
3416 fprintf(stderr, "%s: Invalid encoding parameters\n",
3421 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3422 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3423 oc->loop_output = loop_output;
3425 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3427 /* reset some options */
3428 file_oformat = NULL;
3429 file_iformat = NULL;
3432 /* same option as mencoder */
3433 static void opt_pass(const char *pass_str)
3436 pass = atoi(pass_str);
3437 if (pass != 1 && pass != 2) {
3438 fprintf(stderr, "pass number can be only 1 or 2\n");
3444 static int64_t getutime(void)
3446 #ifdef HAVE_GETRUSAGE
3447 struct rusage rusage;
3449 getrusage(RUSAGE_SELF, &rusage);
3450 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3451 #elif defined(HAVE_GETPROCESSTIMES)
3453 FILETIME c, e, k, u;
3454 proc = GetCurrentProcess();
3455 GetProcessTimes(proc, &c, &e, &k, &u);
3456 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3458 return av_gettime();
3462 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3465 const char *p = str;
3472 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3479 static void opt_inter_matrix(const char *arg)
3481 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3482 parse_matrix_coeffs(inter_matrix, arg);
3485 static void opt_intra_matrix(const char *arg)
3487 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3488 parse_matrix_coeffs(intra_matrix, arg);
3492 * Trivial log callback.
3493 * Only suitable for show_help and similar since it lacks prefix handling.
3495 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3497 vfprintf(stdout, fmt, vl);
3500 static void show_help(void)
3502 av_log_set_callback(log_callback_help);
3503 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3504 "Hyper fast Audio and Video encoder\n");
3506 show_help_options(options, "Main options:\n",
3507 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3508 show_help_options(options, "\nAdvanced options:\n",
3509 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3511 show_help_options(options, "\nVideo options:\n",
3512 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3514 show_help_options(options, "\nAdvanced Video options:\n",
3515 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3516 OPT_VIDEO | OPT_EXPERT);
3517 show_help_options(options, "\nAudio options:\n",
3518 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3520 show_help_options(options, "\nAdvanced Audio options:\n",
3521 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3522 OPT_AUDIO | OPT_EXPERT);
3523 show_help_options(options, "\nSubtitle options:\n",
3524 OPT_SUBTITLE | OPT_GRAB,
3526 show_help_options(options, "\nAudio/Video grab options:\n",
3530 av_opt_show(avctx_opts[0], NULL);
3532 av_opt_show(avformat_opts, NULL);
3534 av_opt_show(sws_opts, NULL);
3537 static void opt_target(const char *arg)
3540 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3542 if(!strncmp(arg, "pal-", 4)) {
3545 } else if(!strncmp(arg, "ntsc-", 5)) {
3548 } else if(!strncmp(arg, "film-", 5)) {
3553 /* Calculate FR via float to avoid int overflow */
3554 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3557 } else if((fr == 29970) || (fr == 23976)) {
3560 /* Try to determine PAL/NTSC by peeking in the input files */
3561 if(nb_input_files) {
3563 for(j = 0; j < nb_input_files; j++) {
3564 for(i = 0; i < input_files[j]->nb_streams; i++) {
3565 AVCodecContext *c = input_files[j]->streams[i]->codec;
3566 if(c->codec_type != CODEC_TYPE_VIDEO)
3568 fr = c->time_base.den * 1000 / c->time_base.num;
3572 } else if((fr == 29970) || (fr == 23976)) {
3582 if(verbose && norm >= 0)
3583 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3587 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3588 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3589 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3593 if(!strcmp(arg, "vcd")) {
3595 opt_video_codec("mpeg1video");
3596 opt_audio_codec("mp2");
3599 opt_frame_size(norm ? "352x240" : "352x288");
3600 opt_frame_rate(NULL, frame_rates[norm]);
3601 opt_default("gop", norm ? "18" : "15");
3603 opt_default("b", "1150000");
3604 opt_default("maxrate", "1150000");
3605 opt_default("minrate", "1150000");
3606 opt_default("bufsize", "327680"); // 40*1024*8;
3608 opt_default("ab", "224000");
3609 audio_sample_rate = 44100;
3612 opt_default("packetsize", "2324");
3613 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3615 /* We have to offset the PTS, so that it is consistent with the SCR.
3616 SCR starts at 36000, but the first two packs contain only padding
3617 and the first pack from the other stream, respectively, may also have
3618 been written before.
3619 So the real data starts at SCR 36000+3*1200. */
3620 mux_preload= (36000+3*1200) / 90000.0; //0.44
3621 } else if(!strcmp(arg, "svcd")) {
3623 opt_video_codec("mpeg2video");
3624 opt_audio_codec("mp2");
3627 opt_frame_size(norm ? "480x480" : "480x576");
3628 opt_frame_rate(NULL, frame_rates[norm]);
3629 opt_default("gop", norm ? "18" : "15");
3631 opt_default("b", "2040000");
3632 opt_default("maxrate", "2516000");
3633 opt_default("minrate", "0"); //1145000;
3634 opt_default("bufsize", "1835008"); //224*1024*8;
3635 opt_default("flags", "+SCAN_OFFSET");
3638 opt_default("ab", "224000");
3639 audio_sample_rate = 44100;
3641 opt_default("packetsize", "2324");
3643 } else if(!strcmp(arg, "dvd")) {
3645 opt_video_codec("mpeg2video");
3646 opt_audio_codec("ac3");
3649 opt_frame_size(norm ? "720x480" : "720x576");
3650 opt_frame_rate(NULL, frame_rates[norm]);
3651 opt_default("gop", norm ? "18" : "15");
3653 opt_default("b", "6000000");
3654 opt_default("maxrate", "9000000");
3655 opt_default("minrate", "0"); //1500000;
3656 opt_default("bufsize", "1835008"); //224*1024*8;
3658 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3659 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3661 opt_default("ab", "448000");
3662 audio_sample_rate = 48000;
3664 } else if(!strncmp(arg, "dv", 2)) {
3668 opt_frame_size(norm ? "720x480" : "720x576");
3669 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3670 (norm ? "yuv411p" : "yuv420p"));
3671 opt_frame_rate(NULL, frame_rates[norm]);
3673 audio_sample_rate = 48000;
3677 fprintf(stderr, "Unknown target: %s\n", arg);
3682 static void opt_vstats_file (const char *arg)
3684 av_free (vstats_filename);
3685 vstats_filename=av_strdup (arg);
3688 static void opt_vstats (void)
3691 time_t today2 = time(NULL);
3692 struct tm *today = localtime(&today2);
3694 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3696 opt_vstats_file(filename);
3699 static int opt_bsf(const char *opt, const char *arg)
3701 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3702 AVBitStreamFilterContext **bsfp;
3705 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3709 bsfp= *opt == 'v' ? &video_bitstream_filters :
3710 *opt == 'a' ? &audio_bitstream_filters :
3711 &subtitle_bitstream_filters;
3713 bsfp= &(*bsfp)->next;
3720 static int opt_preset(const char *opt, const char *arg)
3723 char tmp[1000], tmp2[1000];
3725 const char *base[3]= { getenv("HOME"),
3730 for(i=!base[0]; i<3 && !f; i++){
3731 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3734 char *codec_name= *opt == 'v' ? video_codec_name :
3735 *opt == 'a' ? audio_codec_name :
3736 subtitle_codec_name;
3737 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3743 fprintf(stderr, "Preset file not found\n");
3748 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3750 fprintf(stderr, "Preset file invalid\n");
3753 if(!strcmp(tmp, "acodec")){
3754 opt_audio_codec(tmp2);
3755 }else if(!strcmp(tmp, "vcodec")){
3756 opt_video_codec(tmp2);
3757 }else if(!strcmp(tmp, "scodec")){
3758 opt_subtitle_codec(tmp2);
3760 opt_default(tmp, tmp2);
3768 static const OptionDef options[] = {
3770 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3771 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3772 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3773 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3774 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3775 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3776 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3777 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3778 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3779 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3780 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3781 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3782 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3783 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3784 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3785 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3786 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3787 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3788 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3789 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3790 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3791 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3792 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3793 "add timings for benchmarking" },
3794 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3795 "dump each input packet" },
3796 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3797 "when dumping packets, also dump the payload" },
3798 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3799 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3800 { "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)", "" },
3801 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3802 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3803 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3804 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3805 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3806 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3807 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3808 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3809 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3810 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3811 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3814 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3815 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3816 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3817 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3818 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3819 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3820 { "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" },
3821 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3822 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3823 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3824 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3825 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3826 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3827 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3828 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3829 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3830 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3831 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3832 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3833 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3834 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3835 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3836 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3837 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3838 "use same video quality as source (implies VBR)" },
3839 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3840 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3841 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3842 "deinterlace pictures" },
3843 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3844 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3845 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3847 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3849 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3850 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3851 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3852 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3853 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3854 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3855 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3858 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3859 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3860 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3861 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3862 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3863 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3864 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3865 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3866 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3867 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3868 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3869 { "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" },
3871 /* subtitle options */
3872 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3873 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3874 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3875 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3878 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3879 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3880 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3883 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3884 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3886 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3887 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3888 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3890 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3891 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3892 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3894 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3898 int main(int argc, char **argv)
3903 avcodec_register_all();
3904 avdevice_register_all();
3907 if(isatty(STDIN_FILENO))
3908 url_set_interrupt_cb(decode_interrupt_cb);
3910 for(i=0; i<CODEC_TYPE_NB; i++){
3911 avctx_opts[i]= avcodec_alloc_context2(i);
3913 avformat_opts = av_alloc_format_context();
3914 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3923 parse_options(argc, argv, options, opt_output_file);
3925 /* file converter / grab */
3926 if (nb_output_files <= 0) {
3927 fprintf(stderr, "Must supply at least one output file\n");
3931 if (nb_input_files == 0) {
3932 fprintf(stderr, "Must supply at least one input file\n");
3937 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3938 stream_maps, nb_stream_maps);
3939 ti = getutime() - ti;
3941 printf("bench: utime=%0.3fs\n", ti / 1000000.0);