3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
30 #include "libavformat/avformat.h"
31 #include "libavdevice/avdevice.h"
32 #include "libswscale/swscale.h"
33 #include "libavformat/framehook.h"
34 #include "libavcodec/opt.h"
35 #include "libavutil/fifo.h"
36 #include "libavutil/avstring.h"
37 #include "libavformat/os_support.h"
39 #ifdef HAVE_SYS_RESOURCE_H
40 #include <sys/types.h>
41 #include <sys/resource.h>
42 #elif defined(HAVE_GETPROCESSTIMES)
46 #if defined(HAVE_TERMIOS_H)
49 #include <sys/ioctl.h>
52 #elif defined(HAVE_CONIO_H)
55 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
66 static const char program_name[] = "FFmpeg";
67 static const int program_birth_year = 2000;
69 /* select an input stream for an output stream */
70 typedef struct AVStreamMap {
74 int sync_stream_index;
77 /** select an input file for an output file */
78 typedef struct AVMetaDataMap {
83 static const OptionDef options[];
87 static AVFormatContext *input_files[MAX_FILES];
88 static int64_t input_files_ts_offset[MAX_FILES];
89 static int nb_input_files = 0;
91 static AVFormatContext *output_files[MAX_FILES];
92 static int nb_output_files = 0;
94 static AVStreamMap stream_maps[MAX_FILES];
95 static int nb_stream_maps;
97 static AVMetaDataMap meta_data_maps[MAX_FILES];
98 static int nb_meta_data_maps;
100 static AVInputFormat *file_iformat;
101 static AVOutputFormat *file_oformat;
102 static int frame_width = 0;
103 static int frame_height = 0;
104 static float frame_aspect_ratio = 0;
105 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
106 static int frame_padtop = 0;
107 static int frame_padbottom = 0;
108 static int frame_padleft = 0;
109 static int frame_padright = 0;
110 static int padcolor[3] = {16,128,128}; /* default to black */
111 static int frame_topBand = 0;
112 static int frame_bottomBand = 0;
113 static int frame_leftBand = 0;
114 static int frame_rightBand = 0;
115 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
116 static AVRational frame_rate = (AVRational) {0,0};
117 static float video_qscale = 0;
118 static int video_qdiff = 3;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
126 static const char *video_rc_override_string=NULL;
127 static int video_disable = 0;
128 static int video_discard = 0;
129 static char *video_codec_name = NULL;
130 static int video_codec_tag = 0;
131 static int same_quality = 0;
132 static int do_deinterlace = 0;
133 static int strict = 0;
134 static int top_field_first = -1;
135 static int me_threshold = 0;
136 static int intra_dc_precision = 8;
137 static int loop_input = 0;
138 static int loop_output = AVFMT_NOOUTPUTLOOP;
139 static int qp_hist = 0;
141 static int intra_only = 0;
142 static int audio_sample_rate = 44100;
143 #define QSCALE_NONE -99999
144 static float audio_qscale = QSCALE_NONE;
145 static int audio_disable = 0;
146 static int audio_channels = 1;
147 static char *audio_codec_name = NULL;
148 static int audio_codec_tag = 0;
149 static char *audio_language = NULL;
151 static int subtitle_disable = 0;
152 static char *subtitle_codec_name = NULL;
153 static char *subtitle_language = NULL;
155 static float mux_preload= 0.5;
156 static float mux_max_delay= 0.7;
158 static int64_t recording_time = 0;
159 static int64_t start_time = 0;
160 static int64_t rec_timestamp = 0;
161 static int64_t input_ts_offset = 0;
162 static int file_overwrite = 0;
163 static char *str_title = NULL;
164 static char *str_author = NULL;
165 static char *str_copyright = NULL;
166 static char *str_comment = NULL;
167 static char *str_genre = NULL;
168 static char *str_album = NULL;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename = NULL;
175 static int audio_stream_copy = 0;
176 static int video_stream_copy = 0;
177 static int subtitle_stream_copy = 0;
178 static int video_sync_method= 1;
179 static int audio_sync_method= 0;
180 static float audio_drift_threshold= 0.1;
181 static int copy_ts= 0;
182 static int opt_shortest = 0; //
183 static int video_global_header = 0;
184 static char *vstats_filename;
185 static FILE *vstats_file;
186 static int opt_programid = 0;
188 static int rate_emu = 0;
190 static int video_channel = 0;
191 static char *video_standard;
193 static int audio_volume = 256;
195 static int using_stdin = 0;
196 static int using_vhook = 0;
197 static int verbose = 1;
198 static int thread_count= 1;
199 static int q_pressed = 0;
200 static int64_t video_size = 0;
201 static int64_t audio_size = 0;
202 static int64_t extra_size = 0;
203 static int nb_frames_dup = 0;
204 static int nb_frames_drop = 0;
205 static int input_sync;
206 static uint64_t limit_filesize = 0; //
208 static int pgmyuv_compatibility_hack=0;
209 static float dts_delta_threshold = 10;
211 static unsigned int sws_flags = SWS_BICUBIC;
213 static const char **opt_names;
214 static int opt_name_count;
215 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216 static AVFormatContext *avformat_opts;
217 static struct SwsContext *sws_opts;
218 static int64_t timer_start;
220 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
225 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
227 struct AVInputStream;
229 typedef struct AVOutputStream {
230 int file_index; /* file index */
231 int index; /* stream index in the output file */
232 int source_index; /* AVInputStream index */
233 AVStream *st; /* stream in the output file */
234 int encoding_needed; /* true if encoding needed for this stream */
236 /* input pts and corresponding output pts
238 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
239 struct AVInputStream *sync_ist; /* input stream to sync against */
240 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
243 AVFrame pict_tmp; /* temporary image for resampling */
244 struct SwsContext *img_resample_ctx; /* for image resampling */
248 int topBand; /* cropping area sizes */
252 int padtop; /* padding area sizes */
259 ReSampleContext *resample; /* for audio resampling */
260 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
264 typedef struct AVInputStream {
268 int discard; /* true if stream data should be discarded */
269 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
270 int64_t sample_index; /* current sample */
272 int64_t start; /* time when read started */
273 unsigned long frame; /* current frame */
274 int64_t next_pts; /* synthetic pts for cases where pkt.pts
276 int64_t pts; /* current pts */
277 int is_start; /* is 1 at the start and after a discontinuity */
280 typedef struct AVInputFile {
281 int eof_reached; /* true if eof reached */
282 int ist_index; /* index of first stream in ist_table */
283 int buffer_size; /* current total buffer size */
284 int nb_streams; /* nb streams we are aware of */
287 #ifdef HAVE_TERMIOS_H
289 /* init terminal so that we can grab keys */
290 static struct termios oldtty;
293 static void term_exit(void)
295 #ifdef HAVE_TERMIOS_H
296 tcsetattr (0, TCSANOW, &oldtty);
300 static volatile sig_atomic_t received_sigterm = 0;
303 sigterm_handler(int sig)
305 received_sigterm = sig;
309 static void term_init(void)
311 #ifdef HAVE_TERMIOS_H
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
326 tcsetattr (0, TCSANOW, &tty);
327 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
330 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
333 register a function to be called at normal program termination
336 #ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
341 /* read a key without blocking */
342 static int read_key(void)
344 #if defined(HAVE_TERMIOS_H)
347 #ifndef CONFIG_BEOS_NETSERVER
355 n = select(1, &rfds, NULL, NULL, &tv);
364 #elif defined(HAVE_CONIO_H)
371 static int decode_interrupt_cb(void)
373 return q_pressed || (q_pressed = read_key() == 'q');
376 static int av_exit(int ret)
381 for(i=0;i<nb_output_files;i++) {
382 /* maybe av_close_output_file ??? */
383 AVFormatContext *s = output_files[i];
385 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
387 for(j=0;j<s->nb_streams;j++) {
388 av_free(s->streams[j]->codec);
389 av_free(s->streams[j]);
393 for(i=0;i<nb_input_files;i++)
394 av_close_input_file(input_files[i]);
398 av_free(intra_matrix);
399 av_free(inter_matrix);
403 av_free(vstats_filename);
407 av_free(video_codec_name);
408 av_free(audio_codec_name);
409 av_free(subtitle_codec_name);
411 av_free(video_standard);
413 #ifdef CONFIG_POWERPC_PERF
414 extern void powerpc_display_perf_report(void);
415 powerpc_display_perf_report();
416 #endif /* CONFIG_POWERPC_PERF */
418 if (received_sigterm) {
420 "Received signal %d: terminating.\n",
421 (int) received_sigterm);
425 exit(ret); /* not all OS-es handle main() return value */
429 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
434 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
437 /* copy stream format */
438 s->nb_streams = ic->nb_streams;
439 for(i=0;i<ic->nb_streams;i++) {
442 // FIXME: a more elegant solution is needed
443 st = av_mallocz(sizeof(AVStream));
444 memcpy(st, ic->streams[i], sizeof(AVStream));
445 st->codec = avcodec_alloc_context();
446 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
450 av_close_input_file(ic);
455 get_sync_ipts(const AVOutputStream *ost)
457 const AVInputStream *ist = ost->sync_ist;
458 return (double)(ist->pts - start_time)/AV_TIME_BASE;
461 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
465 AVPacket new_pkt= *pkt;
466 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
467 &new_pkt.data, &new_pkt.size,
468 pkt->data, pkt->size,
469 pkt->flags & PKT_FLAG_KEY);
472 new_pkt.destruct= av_destruct_packet;
474 fprintf(stderr, "%s failed for stream %d, codec %s",
475 bsfc->filter->name, pkt->stream_index,
476 avctx->codec ? avctx->codec->name : "copy");
484 ret= av_interleaved_write_frame(s, pkt);
486 print_error("av_interleaved_write_frame()", ret);
491 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
493 static void do_audio_out(AVFormatContext *s,
496 unsigned char *buf, int size)
499 static uint8_t *audio_buf = NULL;
500 static uint8_t *audio_out = NULL;
501 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
503 int size_out, frame_bytes, ret;
504 AVCodecContext *enc= ost->st->codec;
505 AVCodecContext *dec= ist->st->codec;
507 /* SC: dynamic allocation of buffers */
509 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
511 audio_out = av_malloc(audio_out_size);
512 if (!audio_buf || !audio_out)
513 return; /* Should signal an error ! */
515 if (enc->channels != dec->channels)
516 ost->audio_resample = 1;
518 if (ost->audio_resample && !ost->resample) {
519 ost->resample = audio_resample_init(enc->channels, dec->channels,
520 enc->sample_rate, dec->sample_rate);
521 if (!ost->resample) {
522 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
523 dec->channels, dec->sample_rate,
524 enc->channels, enc->sample_rate);
529 if(audio_sync_method){
530 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
531 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
532 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
533 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
535 //FIXME resample delay
536 if(fabs(delta) > 50){
537 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
539 byte_delta= FFMAX(byte_delta, -size);
543 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
548 static uint8_t *input_tmp= NULL;
549 input_tmp= av_realloc(input_tmp, byte_delta + size);
551 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
554 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
556 memset(input_tmp, 0, byte_delta);
557 memcpy(input_tmp + byte_delta, buf, size);
561 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
563 }else if(audio_sync_method>1){
564 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
565 assert(ost->audio_resample);
567 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
568 // 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));
569 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
573 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
574 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
576 if (ost->audio_resample) {
578 size_out = audio_resample(ost->resample,
579 (short *)buftmp, (short *)buf,
580 size / (ist->st->codec->channels * 2));
581 size_out = size_out * enc->channels * 2;
587 /* now encode as many frames as possible */
588 if (enc->frame_size > 1) {
589 /* output resampled raw samples */
590 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out + 1);
591 av_fifo_write(&ost->fifo, buftmp, size_out);
593 frame_bytes = enc->frame_size * 2 * enc->channels;
595 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
597 av_init_packet(&pkt);
599 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
601 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
604 pkt.stream_index= ost->index;
607 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
608 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
609 pkt.flags |= PKT_FLAG_KEY;
610 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
612 ost->sync_opts += enc->frame_size;
616 av_init_packet(&pkt);
618 ost->sync_opts += size_out / (2 * enc->channels);
620 /* output a pcm frame */
621 /* XXX: change encoding codec API to avoid this ? */
622 switch(enc->codec->id) {
623 case CODEC_ID_PCM_S32LE:
624 case CODEC_ID_PCM_S32BE:
625 case CODEC_ID_PCM_U32LE:
626 case CODEC_ID_PCM_U32BE:
627 size_out = size_out << 1;
629 case CODEC_ID_PCM_S24LE:
630 case CODEC_ID_PCM_S24BE:
631 case CODEC_ID_PCM_U24LE:
632 case CODEC_ID_PCM_U24BE:
633 case CODEC_ID_PCM_S24DAUD:
634 size_out = size_out / 2 * 3;
636 case CODEC_ID_PCM_S16LE:
637 case CODEC_ID_PCM_S16BE:
638 case CODEC_ID_PCM_U16LE:
639 case CODEC_ID_PCM_U16BE:
642 size_out = size_out >> 1;
645 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
646 ret = avcodec_encode_audio(enc, audio_out, size_out,
649 pkt.stream_index= ost->index;
652 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
653 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
654 pkt.flags |= PKT_FLAG_KEY;
655 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
659 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
663 AVPicture picture_tmp;
666 dec = ist->st->codec;
668 /* deinterlace : must be done before any resize */
669 if (do_deinterlace || using_vhook) {
672 /* create temporary picture */
673 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
674 buf = av_malloc(size);
678 picture2 = &picture_tmp;
679 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
682 if(avpicture_deinterlace(picture2, picture,
683 dec->pix_fmt, dec->width, dec->height) < 0) {
684 /* if error, do not deinterlace */
690 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
697 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
698 1000000 * ist->pts / AV_TIME_BASE);
700 if (picture != picture2)
701 *picture = *picture2;
705 /* we begin to correct av delay at this threshold */
706 #define AV_DELAY_MAX 0.100
708 static void do_subtitle_out(AVFormatContext *s,
714 static uint8_t *subtitle_out = NULL;
715 int subtitle_out_max_size = 65536;
716 int subtitle_out_size, nb, i;
720 if (pts == AV_NOPTS_VALUE) {
721 fprintf(stderr, "Subtitle packets must have a pts\n");
725 enc = ost->st->codec;
728 subtitle_out = av_malloc(subtitle_out_max_size);
731 /* Note: DVB subtitle need one packet to draw them and one other
732 packet to clear them */
733 /* XXX: signal it in the codec context ? */
734 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
739 for(i = 0; i < nb; i++) {
740 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
741 subtitle_out_max_size, sub);
743 av_init_packet(&pkt);
744 pkt.stream_index = ost->index;
745 pkt.data = subtitle_out;
746 pkt.size = subtitle_out_size;
747 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
748 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
749 /* XXX: the pts correction is handled here. Maybe handling
750 it in the codec would be better */
752 pkt.pts += 90 * sub->start_display_time;
754 pkt.pts += 90 * sub->end_display_time;
756 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
760 static int bit_buffer_size= 1024*256;
761 static uint8_t *bit_buffer= NULL;
763 static void do_video_out(AVFormatContext *s,
769 int nb_frames, i, ret;
770 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
771 AVFrame picture_crop_temp, picture_pad_temp;
772 AVCodecContext *enc, *dec;
774 avcodec_get_frame_defaults(&picture_crop_temp);
775 avcodec_get_frame_defaults(&picture_pad_temp);
777 enc = ost->st->codec;
778 dec = ist->st->codec;
780 /* by default, we output a single frame */
785 if(video_sync_method){
787 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
788 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
791 else if (video_sync_method == 2)
792 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
793 else if (vdelta > 1.1)
794 nb_frames = lrintf(vdelta);
795 //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);
799 fprintf(stderr, "*** drop!\n");
800 }else if (nb_frames > 1) {
801 nb_frames_dup += nb_frames;
803 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
806 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
808 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
812 if (ost->video_crop) {
813 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
814 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
817 formatted_picture = &picture_crop_temp;
819 formatted_picture = in_picture;
822 final_picture = formatted_picture;
823 padding_src = formatted_picture;
824 resampling_dst = &ost->pict_tmp;
825 if (ost->video_pad) {
826 final_picture = &ost->pict_tmp;
827 if (ost->video_resample) {
828 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
829 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
832 resampling_dst = &picture_pad_temp;
836 if (ost->video_resample) {
838 final_picture = &ost->pict_tmp;
839 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
840 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
843 if (ost->video_pad) {
844 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
845 enc->height, enc->width, enc->pix_fmt,
846 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
849 /* duplicates frame if needed */
850 for(i=0;i<nb_frames;i++) {
852 av_init_packet(&pkt);
853 pkt.stream_index= ost->index;
855 if (s->oformat->flags & AVFMT_RAWPICTURE) {
856 /* raw pictures are written as AVPicture structure to
857 avoid any copies. We support temorarily the older
859 AVFrame* old_frame = enc->coded_frame;
860 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
861 pkt.data= (uint8_t *)final_picture;
862 pkt.size= sizeof(AVPicture);
863 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
864 pkt.flags |= PKT_FLAG_KEY;
866 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
867 enc->coded_frame = old_frame;
871 big_picture= *final_picture;
872 /* better than nothing: use input picture interlaced
874 big_picture.interlaced_frame = in_picture->interlaced_frame;
875 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
876 if(top_field_first == -1)
877 big_picture.top_field_first = in_picture->top_field_first;
879 big_picture.top_field_first = top_field_first;
882 /* handles sameq here. This is not correct because it may
883 not be a global option */
885 big_picture.quality = ist->st->quality;
887 big_picture.quality = ost->st->quality;
889 big_picture.pict_type = 0;
890 // big_picture.pts = AV_NOPTS_VALUE;
891 big_picture.pts= ost->sync_opts;
892 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
893 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
894 ret = avcodec_encode_video(enc,
895 bit_buffer, bit_buffer_size,
898 fprintf(stderr, "Video encoding failed\n");
901 //enc->frame_number = enc->real_pict_num;
903 pkt.data= bit_buffer;
905 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
906 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
907 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
908 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
909 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
911 if(enc->coded_frame && enc->coded_frame->key_frame)
912 pkt.flags |= PKT_FLAG_KEY;
913 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
915 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
916 // enc->frame_number-1, enc->real_pict_num, ret,
918 /* if two pass, output log */
919 if (ost->logfile && enc->stats_out) {
920 fprintf(ost->logfile, "%s", enc->stats_out);
929 static double psnr(double d){
930 return -10.0*log(d)/log(10.0);
933 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
938 double ti1, bitrate, avg_bitrate;
940 /* this is executed just the first time do_video_stats is called */
942 vstats_file = fopen(vstats_filename, "w");
949 enc = ost->st->codec;
950 if (enc->codec_type == CODEC_TYPE_VIDEO) {
951 frame_number = ost->frame_number;
952 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
953 if (enc->flags&CODEC_FLAG_PSNR)
954 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
956 fprintf(vstats_file,"f_size= %6d ", frame_size);
957 /* compute pts value */
958 ti1 = ost->sync_opts * av_q2d(enc->time_base);
962 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
963 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
964 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
965 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
966 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
970 static void print_report(AVFormatContext **output_files,
971 AVOutputStream **ost_table, int nb_ostreams,
976 AVFormatContext *oc, *os;
979 int frame_number, vid, i;
980 double bitrate, ti1, pts;
981 static int64_t last_time = -1;
982 static int qp_histogram[52];
984 if (!is_last_report) {
986 /* display the report every 0.5 seconds */
987 cur_time = av_gettime();
988 if (last_time == -1) {
989 last_time = cur_time;
992 if ((cur_time - last_time) < 500000)
994 last_time = cur_time;
998 oc = output_files[0];
1000 total_size = url_fsize(oc->pb);
1001 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1002 total_size= url_ftell(oc->pb);
1007 for(i=0;i<nb_ostreams;i++) {
1009 os = output_files[ost->file_index];
1010 enc = ost->st->codec;
1011 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1012 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1013 enc->coded_frame && !ost->st->stream_copy ?
1014 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1016 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1017 float t = (av_gettime()-timer_start) / 1000000.0;
1019 frame_number = ost->frame_number;
1020 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1021 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1022 enc->coded_frame && !ost->st->stream_copy ?
1023 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1025 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1026 if(qp_hist && enc->coded_frame){
1028 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1029 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1032 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1034 if (enc->flags&CODEC_FLAG_PSNR){
1036 double error, error_sum=0;
1037 double scale, scale_sum=0;
1038 char type[3]= {'Y','U','V'};
1039 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1042 error= enc->error[j];
1043 scale= enc->width*enc->height*255.0*255.0*frame_number;
1045 error= enc->coded_frame->error[j];
1046 scale= enc->width*enc->height*255.0*255.0;
1051 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1053 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1057 /* compute min output value */
1058 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1059 if ((pts < ti1) && (pts > 0))
1065 if (verbose || is_last_report) {
1066 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1068 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1069 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1070 (double)total_size / 1024, ti1, bitrate);
1073 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1074 nb_frames_dup, nb_frames_drop);
1077 fprintf(stderr, "%s \r", buf);
1082 if (is_last_report && verbose >= 0){
1083 int64_t raw= audio_size + video_size + extra_size;
1084 fprintf(stderr, "\n");
1085 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1089 100.0*(total_size - raw)/raw
1094 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1095 static int output_packet(AVInputStream *ist, int ist_index,
1096 AVOutputStream **ost_table, int nb_ostreams,
1097 const AVPacket *pkt)
1099 AVFormatContext *os;
1100 AVOutputStream *ost;
1104 int data_size, got_picture;
1106 void *buffer_to_free;
1107 static unsigned int samples_size= 0;
1108 static short *samples= NULL;
1109 AVSubtitle subtitle, *subtitle_to_free;
1112 if(ist->next_pts == AV_NOPTS_VALUE)
1113 ist->next_pts= ist->pts;
1122 if(pkt->dts != AV_NOPTS_VALUE)
1123 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1129 ist->pts= ist->next_pts;
1131 if(len && len != pkt->size && verbose>0)
1132 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1134 /* decode the packet if needed */
1135 data_buf = NULL; /* fail safe */
1137 subtitle_to_free = NULL;
1138 if (ist->decoding_needed) {
1139 switch(ist->st->codec->codec_type) {
1140 case CODEC_TYPE_AUDIO:{
1142 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1143 data_size= samples_size;
1144 /* XXX: could avoid copy if PCM 16 bits with same
1145 endianness as CPU */
1146 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1152 /* Some bug in mpeg audio decoder gives */
1153 /* data_size < 0, it seems they are overflows */
1154 if (data_size <= 0) {
1155 /* no audio frame */
1158 data_buf = (uint8_t *)samples;
1159 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1160 (ist->st->codec->sample_rate * ist->st->codec->channels);
1162 case CODEC_TYPE_VIDEO:
1163 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1164 /* XXX: allocate picture correctly */
1165 avcodec_get_frame_defaults(&picture);
1167 ret = avcodec_decode_video(ist->st->codec,
1168 &picture, &got_picture, ptr, len);
1169 ist->st->quality= picture.quality;
1173 /* no picture yet */
1174 goto discard_packet;
1176 if (ist->st->codec->time_base.num != 0) {
1177 ist->next_pts += ((int64_t)AV_TIME_BASE *
1178 ist->st->codec->time_base.num) /
1179 ist->st->codec->time_base.den;
1183 case CODEC_TYPE_SUBTITLE:
1184 ret = avcodec_decode_subtitle(ist->st->codec,
1185 &subtitle, &got_subtitle, ptr, len);
1188 if (!got_subtitle) {
1189 goto discard_packet;
1191 subtitle_to_free = &subtitle;
1198 switch(ist->st->codec->codec_type) {
1199 case CODEC_TYPE_AUDIO:
1200 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1201 ist->st->codec->sample_rate;
1203 case CODEC_TYPE_VIDEO:
1204 if (ist->st->codec->time_base.num != 0) {
1205 ist->next_pts += ((int64_t)AV_TIME_BASE *
1206 ist->st->codec->time_base.num) /
1207 ist->st->codec->time_base.den;
1217 buffer_to_free = NULL;
1218 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1219 pre_process_video_frame(ist, (AVPicture *)&picture,
1223 // preprocess audio (volume)
1224 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1225 if (audio_volume != 256) {
1228 for(i=0;i<(data_size / sizeof(short));i++) {
1229 int v = ((*volp) * audio_volume + 128) >> 8;
1230 if (v < -32768) v = -32768;
1231 if (v > 32767) v = 32767;
1237 /* frame rate emulation */
1238 if (ist->st->codec->rate_emu) {
1239 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1240 int64_t now = av_gettime() - ist->start;
1248 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1249 is the one of the next displayed one */
1250 /* XXX: add mpeg4 too ? */
1251 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1252 if (ist->st->codec->pict_type != B_TYPE) {
1254 tmp = ist->last_ip_pts;
1255 ist->last_ip_pts = ist->frac_pts.val;
1256 ist->frac_pts.val = tmp;
1260 /* if output time reached then transcode raw format,
1261 encode packets and output them */
1262 if (start_time == 0 || ist->pts >= start_time)
1263 for(i=0;i<nb_ostreams;i++) {
1267 if (ost->source_index == ist_index) {
1268 os = output_files[ost->file_index];
1271 printf("%d: got pts=%0.3f %0.3f\n", i,
1272 (double)pkt->pts / AV_TIME_BASE,
1273 ((double)ist->pts / AV_TIME_BASE) -
1274 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1276 /* set the input output pts pairs */
1277 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1279 if (ost->encoding_needed) {
1280 switch(ost->st->codec->codec_type) {
1281 case CODEC_TYPE_AUDIO:
1282 do_audio_out(os, ost, ist, data_buf, data_size);
1284 case CODEC_TYPE_VIDEO:
1285 do_video_out(os, ost, ist, &picture, &frame_size);
1286 video_size += frame_size;
1287 if (vstats_filename && frame_size)
1288 do_video_stats(os, ost, frame_size);
1290 case CODEC_TYPE_SUBTITLE:
1291 do_subtitle_out(os, ost, ist, &subtitle,
1298 AVFrame avframe; //FIXME/XXX remove this
1300 av_init_packet(&opkt);
1302 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1305 /* no reencoding needed : output the packet directly */
1306 /* force the input stream PTS */
1308 avcodec_get_frame_defaults(&avframe);
1309 ost->st->codec->coded_frame= &avframe;
1310 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1312 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1313 audio_size += data_size;
1314 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1315 video_size += data_size;
1319 opkt.stream_index= ost->index;
1320 if(pkt->pts != AV_NOPTS_VALUE)
1321 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1323 opkt.pts= AV_NOPTS_VALUE;
1325 if (pkt->dts == AV_NOPTS_VALUE)
1326 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1328 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1330 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1331 opkt.flags= pkt->flags;
1333 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1334 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1335 opkt.destruct= av_destruct_packet;
1337 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1338 ost->st->codec->frame_number++;
1339 ost->frame_number++;
1340 av_free_packet(&opkt);
1344 av_free(buffer_to_free);
1345 /* XXX: allocate the subtitles in the codec ? */
1346 if (subtitle_to_free) {
1347 if (subtitle_to_free->rects != NULL) {
1348 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1349 av_free(subtitle_to_free->rects[i].bitmap);
1350 av_free(subtitle_to_free->rects[i].rgba_palette);
1352 av_freep(&subtitle_to_free->rects);
1354 subtitle_to_free->num_rects = 0;
1355 subtitle_to_free = NULL;
1362 for(i=0;i<nb_ostreams;i++) {
1364 if (ost->source_index == ist_index) {
1365 AVCodecContext *enc= ost->st->codec;
1366 os = output_files[ost->file_index];
1368 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1370 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1373 if (ost->encoding_needed) {
1377 av_init_packet(&pkt);
1378 pkt.stream_index= ost->index;
1380 switch(ost->st->codec->codec_type) {
1381 case CODEC_TYPE_AUDIO:
1382 fifo_bytes = av_fifo_size(&ost->fifo);
1384 /* encode any samples remaining in fifo */
1385 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1386 int fs_tmp = enc->frame_size;
1387 enc->frame_size = fifo_bytes / (2 * enc->channels);
1388 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1389 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1391 enc->frame_size = fs_tmp;
1394 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1397 pkt.flags |= PKT_FLAG_KEY;
1399 case CODEC_TYPE_VIDEO:
1400 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1402 if(enc->coded_frame && enc->coded_frame->key_frame)
1403 pkt.flags |= PKT_FLAG_KEY;
1404 if (ost->logfile && enc->stats_out) {
1405 fprintf(ost->logfile, "%s", enc->stats_out);
1414 pkt.data= bit_buffer;
1416 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1417 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1418 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1430 static void print_sdp(AVFormatContext **avc, int n)
1434 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1435 printf("SDP:\n%s\n", sdp);
1438 static int stream_index_from_inputs(AVFormatContext **input_files,
1440 AVInputFile *file_table,
1441 AVInputStream **ist_table,
1442 enum CodecType type,
1446 for(z=0; z<nb_input_files; z++) {
1447 AVFormatContext *ic = input_files[z];
1448 for(p=0; p<ic->nb_programs; p++) {
1449 AVProgram *program = ic->programs[p];
1450 if(program->id != programid)
1452 for(q=0; q<program->nb_stream_indexes; q++) {
1453 int sidx = program->stream_index[q];
1454 int ris = file_table[z].ist_index + sidx;
1455 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1465 * The following code is the main loop of the file converter
1467 static int av_encode(AVFormatContext **output_files,
1468 int nb_output_files,
1469 AVFormatContext **input_files,
1471 AVStreamMap *stream_maps, int nb_stream_maps)
1473 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1474 AVFormatContext *is, *os;
1475 AVCodecContext *codec, *icodec;
1476 AVOutputStream *ost, **ost_table = NULL;
1477 AVInputStream *ist, **ist_table = NULL;
1478 AVInputFile *file_table;
1482 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1486 /* input stream init */
1488 for(i=0;i<nb_input_files;i++) {
1489 is = input_files[i];
1490 file_table[i].ist_index = j;
1491 file_table[i].nb_streams = is->nb_streams;
1492 j += is->nb_streams;
1496 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1500 for(i=0;i<nb_istreams;i++) {
1501 ist = av_mallocz(sizeof(AVInputStream));
1507 for(i=0;i<nb_input_files;i++) {
1508 is = input_files[i];
1509 for(k=0;k<is->nb_streams;k++) {
1510 ist = ist_table[j++];
1511 ist->st = is->streams[k];
1512 ist->file_index = i;
1514 ist->discard = 1; /* the stream is discarded by default
1517 if (ist->st->codec->rate_emu) {
1518 ist->start = av_gettime();
1524 /* output stream init */
1526 for(i=0;i<nb_output_files;i++) {
1527 os = output_files[i];
1528 if (!os->nb_streams) {
1529 fprintf(stderr, "Output file does not contain any stream\n");
1532 nb_ostreams += os->nb_streams;
1534 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1535 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1539 /* Sanity check the mapping args -- do the input files & streams exist? */
1540 for(i=0;i<nb_stream_maps;i++) {
1541 int fi = stream_maps[i].file_index;
1542 int si = stream_maps[i].stream_index;
1544 if (fi < 0 || fi > nb_input_files - 1 ||
1545 si < 0 || si > file_table[fi].nb_streams - 1) {
1546 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1549 fi = stream_maps[i].sync_file_index;
1550 si = stream_maps[i].sync_stream_index;
1551 if (fi < 0 || fi > nb_input_files - 1 ||
1552 si < 0 || si > file_table[fi].nb_streams - 1) {
1553 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1558 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1561 for(i=0;i<nb_ostreams;i++) {
1562 ost = av_mallocz(sizeof(AVOutputStream));
1569 for(k=0;k<nb_output_files;k++) {
1570 os = output_files[k];
1571 for(i=0;i<os->nb_streams;i++) {
1573 ost = ost_table[n++];
1574 ost->file_index = k;
1576 ost->st = os->streams[i];
1577 if (nb_stream_maps > 0) {
1578 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1579 stream_maps[n-1].stream_index;
1581 /* Sanity check that the stream types match */
1582 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1583 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1584 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1585 ost->file_index, ost->index);
1592 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1594 ost->source_index = j;
1598 /* get corresponding input stream index : we select the first one with the right type */
1600 for(j=0;j<nb_istreams;j++) {
1603 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1604 ost->source_index = j;
1612 if(! opt_programid) {
1613 /* try again and reuse existing stream */
1614 for(j=0;j<nb_istreams;j++) {
1616 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1617 ost->source_index = j;
1623 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1624 ost->file_index, ost->index);
1629 ist = ist_table[ost->source_index];
1631 ost->sync_ist = (nb_stream_maps > 0) ?
1632 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1633 stream_maps[n-1].sync_stream_index] : ist;
1637 /* for each output stream, we compute the right encoding parameters */
1638 for(i=0;i<nb_ostreams;i++) {
1640 os = output_files[ost->file_index];
1641 ist = ist_table[ost->source_index];
1643 codec = ost->st->codec;
1644 icodec = ist->st->codec;
1646 if (!ost->st->language[0])
1647 av_strlcpy(ost->st->language, ist->st->language,
1648 sizeof(ost->st->language));
1650 ost->st->disposition = ist->st->disposition;
1652 if (ost->st->stream_copy) {
1653 /* if stream_copy is selected, no need to decode or encode */
1654 codec->codec_id = icodec->codec_id;
1655 codec->codec_type = icodec->codec_type;
1657 if(!codec->codec_tag){
1658 if( !os->oformat->codec_tag
1659 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1660 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1661 codec->codec_tag = icodec->codec_tag;
1664 codec->bit_rate = icodec->bit_rate;
1665 codec->extradata= icodec->extradata;
1666 codec->extradata_size= icodec->extradata_size;
1667 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1668 codec->time_base = icodec->time_base;
1670 codec->time_base = ist->st->time_base;
1671 switch(codec->codec_type) {
1672 case CODEC_TYPE_AUDIO:
1673 codec->sample_rate = icodec->sample_rate;
1674 codec->channels = icodec->channels;
1675 codec->frame_size = icodec->frame_size;
1676 codec->block_align= icodec->block_align;
1677 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1678 codec->block_align= 0;
1680 case CODEC_TYPE_VIDEO:
1682 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1685 codec->pix_fmt = icodec->pix_fmt;
1686 codec->width = icodec->width;
1687 codec->height = icodec->height;
1688 codec->has_b_frames = icodec->has_b_frames;
1690 case CODEC_TYPE_SUBTITLE:
1696 switch(codec->codec_type) {
1697 case CODEC_TYPE_AUDIO:
1698 if (av_fifo_init(&ost->fifo, 1024))
1700 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1701 icodec->request_channels = codec->channels;
1702 ist->decoding_needed = 1;
1703 ost->encoding_needed = 1;
1705 case CODEC_TYPE_VIDEO:
1706 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1707 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1708 ost->video_resample = ((codec->width != icodec->width -
1709 (frame_leftBand + frame_rightBand) +
1710 (frame_padleft + frame_padright)) ||
1711 (codec->height != icodec->height -
1712 (frame_topBand + frame_bottomBand) +
1713 (frame_padtop + frame_padbottom)) ||
1714 (codec->pix_fmt != icodec->pix_fmt));
1715 if (ost->video_crop) {
1716 ost->topBand = frame_topBand;
1717 ost->leftBand = frame_leftBand;
1719 if (ost->video_pad) {
1720 ost->padtop = frame_padtop;
1721 ost->padleft = frame_padleft;
1722 ost->padbottom = frame_padbottom;
1723 ost->padright = frame_padright;
1724 if (!ost->video_resample) {
1725 avcodec_get_frame_defaults(&ost->pict_tmp);
1726 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1727 codec->width, codec->height ) )
1731 if (ost->video_resample) {
1732 avcodec_get_frame_defaults(&ost->pict_tmp);
1733 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1734 codec->width, codec->height ) ) {
1735 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1738 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1739 ost->img_resample_ctx = sws_getContext(
1740 icodec->width - (frame_leftBand + frame_rightBand),
1741 icodec->height - (frame_topBand + frame_bottomBand),
1743 codec->width - (frame_padleft + frame_padright),
1744 codec->height - (frame_padtop + frame_padbottom),
1746 sws_flags, NULL, NULL, NULL);
1747 if (ost->img_resample_ctx == NULL) {
1748 fprintf(stderr, "Cannot get resampling context\n");
1751 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1753 ost->encoding_needed = 1;
1754 ist->decoding_needed = 1;
1756 case CODEC_TYPE_SUBTITLE:
1757 ost->encoding_needed = 1;
1758 ist->decoding_needed = 1;
1765 if (ost->encoding_needed &&
1766 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1767 char logfilename[1024];
1772 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1774 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1775 if (codec->flags & CODEC_FLAG_PASS1) {
1776 f = fopen(logfilename, "w");
1778 perror(logfilename);
1783 /* read the log file */
1784 f = fopen(logfilename, "r");
1786 perror(logfilename);
1789 fseek(f, 0, SEEK_END);
1791 fseek(f, 0, SEEK_SET);
1792 logbuffer = av_malloc(size + 1);
1794 fprintf(stderr, "Could not allocate log buffer\n");
1797 size = fread(logbuffer, 1, size, f);
1799 logbuffer[size] = '\0';
1800 codec->stats_in = logbuffer;
1804 if(codec->codec_type == CODEC_TYPE_VIDEO){
1805 int size= codec->width * codec->height;
1806 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1811 bit_buffer = av_malloc(bit_buffer_size);
1815 /* dump the file output parameters - cannot be done before in case
1817 for(i=0;i<nb_output_files;i++) {
1818 dump_format(output_files[i], i, output_files[i]->filename, 1);
1821 /* dump the stream mapping */
1823 fprintf(stderr, "Stream mapping:\n");
1824 for(i=0;i<nb_ostreams;i++) {
1826 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1827 ist_table[ost->source_index]->file_index,
1828 ist_table[ost->source_index]->index,
1831 if (ost->sync_ist != ist_table[ost->source_index])
1832 fprintf(stderr, " [sync #%d.%d]",
1833 ost->sync_ist->file_index,
1834 ost->sync_ist->index);
1835 fprintf(stderr, "\n");
1839 /* open each encoder */
1840 for(i=0;i<nb_ostreams;i++) {
1842 if (ost->encoding_needed) {
1844 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1846 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1847 ost->file_index, ost->index);
1850 if (avcodec_open(ost->st->codec, codec) < 0) {
1851 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1852 ost->file_index, ost->index);
1855 extra_size += ost->st->codec->extradata_size;
1859 /* open each decoder */
1860 for(i=0;i<nb_istreams;i++) {
1862 if (ist->decoding_needed) {
1864 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1866 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1867 ist->st->codec->codec_id, ist->file_index, ist->index);
1870 if (avcodec_open(ist->st->codec, codec) < 0) {
1871 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1872 ist->file_index, ist->index);
1875 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1876 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1881 for(i=0;i<nb_istreams;i++) {
1883 is = input_files[ist->file_index];
1885 ist->next_pts = AV_NOPTS_VALUE;
1889 /* set meta data information from input file if required */
1890 for (i=0;i<nb_meta_data_maps;i++) {
1891 AVFormatContext *out_file;
1892 AVFormatContext *in_file;
1894 int out_file_index = meta_data_maps[i].out_file;
1895 int in_file_index = meta_data_maps[i].in_file;
1896 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1897 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1898 ret = AVERROR(EINVAL);
1901 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1902 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1903 ret = AVERROR(EINVAL);
1907 out_file = output_files[out_file_index];
1908 in_file = input_files[in_file_index];
1910 strcpy(out_file->title, in_file->title);
1911 strcpy(out_file->author, in_file->author);
1912 strcpy(out_file->copyright, in_file->copyright);
1913 strcpy(out_file->comment, in_file->comment);
1914 strcpy(out_file->album, in_file->album);
1915 out_file->year = in_file->year;
1916 out_file->track = in_file->track;
1917 strcpy(out_file->genre, in_file->genre);
1920 /* open files and write file headers */
1921 for(i=0;i<nb_output_files;i++) {
1922 os = output_files[i];
1923 if (av_write_header(os) < 0) {
1924 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1925 ret = AVERROR(EINVAL);
1928 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1933 print_sdp(output_files, nb_output_files);
1936 if ( !using_stdin && verbose >= 0) {
1937 fprintf(stderr, "Press [q] to stop encoding\n");
1938 url_set_interrupt_cb(decode_interrupt_cb);
1943 timer_start = av_gettime();
1945 for(; received_sigterm == 0;) {
1946 int file_index, ist_index;
1954 /* if 'q' pressed, exits */
1958 /* read_key() returns 0 on EOF */
1964 /* select the stream that we must read now by looking at the
1965 smallest output pts */
1967 for(i=0;i<nb_ostreams;i++) {
1970 os = output_files[ost->file_index];
1971 ist = ist_table[ost->source_index];
1972 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1973 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1975 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1976 ipts = (double)ist->pts;
1977 if (!file_table[ist->file_index].eof_reached){
1978 if(ipts < ipts_min) {
1980 if(input_sync ) file_index = ist->file_index;
1982 if(opts < opts_min) {
1984 if(!input_sync) file_index = ist->file_index;
1987 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1992 /* if none, if is finished */
1993 if (file_index < 0) {
1997 /* finish if recording time exhausted */
1998 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2001 /* finish if limit size exhausted */
2002 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2005 /* read a frame from it and output it in the fifo */
2006 is = input_files[file_index];
2007 if (av_read_frame(is, &pkt) < 0) {
2008 file_table[file_index].eof_reached = 1;
2016 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2018 /* the following test is needed in case new streams appear
2019 dynamically in stream : we ignore them */
2020 if (pkt.stream_index >= file_table[file_index].nb_streams)
2021 goto discard_packet;
2022 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2023 ist = ist_table[ist_index];
2025 goto discard_packet;
2027 if (pkt.dts != AV_NOPTS_VALUE)
2028 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2029 if (pkt.pts != AV_NOPTS_VALUE)
2030 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2032 // 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);
2033 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2034 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2035 int64_t delta= pkt_dts - ist->next_pts;
2036 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2037 input_files_ts_offset[ist->file_index]-= delta;
2039 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2040 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2041 if(pkt.pts != AV_NOPTS_VALUE)
2042 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2046 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2047 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2050 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2051 ist->file_index, ist->index);
2053 av_free_packet(&pkt);
2058 av_free_packet(&pkt);
2060 /* dump report by using the output first video and audio streams */
2061 print_report(output_files, ost_table, nb_ostreams, 0);
2064 /* at the end of stream, we must flush the decoder buffers */
2065 for(i=0;i<nb_istreams;i++) {
2067 if (ist->decoding_needed) {
2068 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2074 /* write the trailer if needed and close file */
2075 for(i=0;i<nb_output_files;i++) {
2076 os = output_files[i];
2077 av_write_trailer(os);
2080 /* dump report by using the first video and audio streams */
2081 print_report(output_files, ost_table, nb_ostreams, 1);
2083 /* close each encoder */
2084 for(i=0;i<nb_ostreams;i++) {
2086 if (ost->encoding_needed) {
2087 av_freep(&ost->st->codec->stats_in);
2088 avcodec_close(ost->st->codec);
2092 /* close each decoder */
2093 for(i=0;i<nb_istreams;i++) {
2095 if (ist->decoding_needed) {
2096 avcodec_close(ist->st->codec);
2104 av_freep(&bit_buffer);
2105 av_free(file_table);
2108 for(i=0;i<nb_istreams;i++) {
2115 for(i=0;i<nb_ostreams;i++) {
2119 fclose(ost->logfile);
2120 ost->logfile = NULL;
2122 av_fifo_free(&ost->fifo); /* works even if fifo is not
2123 initialized but set to zero */
2124 av_free(ost->pict_tmp.data[0]);
2125 if (ost->video_resample)
2126 sws_freeContext(ost->img_resample_ctx);
2128 audio_resample_close(ost->resample);
2136 ret = AVERROR(ENOMEM);
2141 int file_read(const char *filename)
2144 unsigned char buffer[1024];
2147 if (url_open(&h, filename, O_RDONLY) < 0) {
2148 printf("could not open '%s'\n", filename);
2152 len = url_read(h, buffer, sizeof(buffer));
2155 for(i=0;i<len;i++) putchar(buffer[i]);
2162 static void opt_format(const char *arg)
2164 /* compatibility stuff for pgmyuv */
2165 if (!strcmp(arg, "pgmyuv")) {
2166 pgmyuv_compatibility_hack=1;
2167 // opt_image_format(arg);
2169 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2172 file_iformat = av_find_input_format(arg);
2173 file_oformat = guess_format(arg, NULL, NULL);
2174 if (!file_iformat && !file_oformat) {
2175 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2180 extern int ffm_nopts;
2182 static int opt_default(const char *opt, const char *arg){
2184 const AVOption *o= NULL;
2185 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2187 for(type=0; type<CODEC_TYPE_NB; type++){
2188 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2190 o = av_set_string(avctx_opts[type], opt, arg);
2193 o = av_set_string(avformat_opts, opt, arg);
2195 o = av_set_string(sws_opts, opt, arg);
2198 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2199 else if(opt[0] == 'v')
2200 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2201 else if(opt[0] == 's')
2202 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2207 // 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));
2209 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2210 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2211 opt_names[opt_name_count++]= o->name;
2213 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2214 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2215 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2219 if(avctx_opts[0]->debug)
2220 av_log_set_level(AV_LOG_DEBUG);
2224 static void opt_video_rc_override_string(const char *arg)
2226 video_rc_override_string = arg;
2229 static int opt_me_threshold(const char *opt, const char *arg)
2231 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2235 static int opt_verbose(const char *opt, const char *arg)
2237 verbose = parse_number_or_die(opt, arg, OPT_INT64, AV_LOG_QUIET, AV_LOG_DEBUG);
2238 av_log_set_level(verbose);
2242 static void opt_frame_rate(const char *arg)
2244 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2245 fprintf(stderr, "Incorrect frame rate\n");
2250 static int opt_bitrate(const char *opt, const char *arg)
2252 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2254 opt_default(opt, arg);
2256 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2257 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2262 static void opt_frame_crop_top(const char *arg)
2264 frame_topBand = atoi(arg);
2265 if (frame_topBand < 0) {
2266 fprintf(stderr, "Incorrect top crop size\n");
2269 if ((frame_topBand % 2) != 0) {
2270 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2273 if ((frame_topBand) >= frame_height){
2274 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2277 frame_height -= frame_topBand;
2280 static void opt_frame_crop_bottom(const char *arg)
2282 frame_bottomBand = atoi(arg);
2283 if (frame_bottomBand < 0) {
2284 fprintf(stderr, "Incorrect bottom crop size\n");
2287 if ((frame_bottomBand % 2) != 0) {
2288 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2291 if ((frame_bottomBand) >= frame_height){
2292 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2295 frame_height -= frame_bottomBand;
2298 static void opt_frame_crop_left(const char *arg)
2300 frame_leftBand = atoi(arg);
2301 if (frame_leftBand < 0) {
2302 fprintf(stderr, "Incorrect left crop size\n");
2305 if ((frame_leftBand % 2) != 0) {
2306 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2309 if ((frame_leftBand) >= frame_width){
2310 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2313 frame_width -= frame_leftBand;
2316 static void opt_frame_crop_right(const char *arg)
2318 frame_rightBand = atoi(arg);
2319 if (frame_rightBand < 0) {
2320 fprintf(stderr, "Incorrect right crop size\n");
2323 if ((frame_rightBand % 2) != 0) {
2324 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2327 if ((frame_rightBand) >= frame_width){
2328 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2331 frame_width -= frame_rightBand;
2334 static void opt_frame_size(const char *arg)
2336 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2337 fprintf(stderr, "Incorrect frame size\n");
2340 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2341 fprintf(stderr, "Frame size must be a multiple of 2\n");
2347 #define SCALEBITS 10
2348 #define ONE_HALF (1 << (SCALEBITS - 1))
2349 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2351 #define RGB_TO_Y(r, g, b) \
2352 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2353 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2355 #define RGB_TO_U(r1, g1, b1, shift)\
2356 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2357 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2359 #define RGB_TO_V(r1, g1, b1, shift)\
2360 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2361 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2363 static void opt_pad_color(const char *arg) {
2364 /* Input is expected to be six hex digits similar to
2365 how colors are expressed in html tags (but without the #) */
2366 int rgb = strtol(arg, NULL, 16);
2370 g = ((rgb >> 8) & 255);
2373 padcolor[0] = RGB_TO_Y(r,g,b);
2374 padcolor[1] = RGB_TO_U(r,g,b,0);
2375 padcolor[2] = RGB_TO_V(r,g,b,0);
2378 static void opt_frame_pad_top(const char *arg)
2380 frame_padtop = atoi(arg);
2381 if (frame_padtop < 0) {
2382 fprintf(stderr, "Incorrect top pad size\n");
2385 if ((frame_padtop % 2) != 0) {
2386 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2391 static void opt_frame_pad_bottom(const char *arg)
2393 frame_padbottom = atoi(arg);
2394 if (frame_padbottom < 0) {
2395 fprintf(stderr, "Incorrect bottom pad size\n");
2398 if ((frame_padbottom % 2) != 0) {
2399 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2405 static void opt_frame_pad_left(const char *arg)
2407 frame_padleft = atoi(arg);
2408 if (frame_padleft < 0) {
2409 fprintf(stderr, "Incorrect left pad size\n");
2412 if ((frame_padleft % 2) != 0) {
2413 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2419 static void opt_frame_pad_right(const char *arg)
2421 frame_padright = atoi(arg);
2422 if (frame_padright < 0) {
2423 fprintf(stderr, "Incorrect right pad size\n");
2426 if ((frame_padright % 2) != 0) {
2427 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2432 static void list_pix_fmts(void)
2435 char pix_fmt_str[128];
2436 for (i=-1; i < PIX_FMT_NB; i++) {
2437 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2438 fprintf(stdout, "%s\n", pix_fmt_str);
2442 static void opt_frame_pix_fmt(const char *arg)
2444 if (strcmp(arg, "list"))
2445 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2452 static void opt_frame_aspect_ratio(const char *arg)
2459 p = strchr(arg, ':');
2461 x = strtol(arg, &end, 10);
2463 y = strtol(end+1, &end, 10);
2465 ar = (double)x / (double)y;
2467 ar = strtod(arg, NULL);
2470 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2473 frame_aspect_ratio = ar;
2476 static void opt_qscale(const char *arg)
2478 video_qscale = atof(arg);
2479 if (video_qscale <= 0 ||
2480 video_qscale > 255) {
2481 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2486 static void opt_qdiff(const char *arg)
2488 video_qdiff = atoi(arg);
2489 if (video_qdiff < 0 ||
2491 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2496 static void opt_strict(const char *arg)
2501 static void opt_top_field_first(const char *arg)
2503 top_field_first= atoi(arg);
2506 static void opt_thread_count(const char *arg)
2508 thread_count= atoi(arg);
2509 #if !defined(HAVE_THREADS)
2511 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2515 static int opt_audio_rate(const char *opt, const char *arg)
2517 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2521 static int opt_audio_channels(const char *opt, const char *arg)
2523 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2527 static void opt_video_channel(const char *arg)
2529 video_channel = strtol(arg, NULL, 0);
2532 static void opt_video_standard(const char *arg)
2534 video_standard = av_strdup(arg);
2537 static void opt_codec(int *pstream_copy, char **pcodec_name,
2538 int codec_type, const char *arg)
2540 av_freep(pcodec_name);
2541 if (!strcmp(arg, "copy")) {
2544 *pcodec_name = av_strdup(arg);
2548 static void opt_audio_codec(const char *arg)
2550 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2553 static void opt_audio_tag(const char *arg)
2556 audio_codec_tag= strtol(arg, &tail, 0);
2559 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2562 static void opt_video_tag(const char *arg)
2565 video_codec_tag= strtol(arg, &tail, 0);
2568 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2572 static void add_frame_hooker(const char *arg)
2577 char *args = av_strdup(arg);
2581 argv[0] = strtok(args, " ");
2582 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2585 i = frame_hook_add(argc, argv);
2588 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2594 static void opt_video_codec(const char *arg)
2596 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2599 static void opt_subtitle_codec(const char *arg)
2601 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2604 static void opt_map(const char *arg)
2609 m = &stream_maps[nb_stream_maps++];
2611 m->file_index = strtol(arg, &p, 0);
2615 m->stream_index = strtol(p, &p, 0);
2618 m->sync_file_index = strtol(p, &p, 0);
2621 m->sync_stream_index = strtol(p, &p, 0);
2623 m->sync_file_index = m->file_index;
2624 m->sync_stream_index = m->stream_index;
2628 static void opt_map_meta_data(const char *arg)
2633 m = &meta_data_maps[nb_meta_data_maps++];
2635 m->out_file = strtol(arg, &p, 0);
2639 m->in_file = strtol(p, &p, 0);
2642 static int opt_recording_time(const char *opt, const char *arg)
2644 recording_time = parse_time_or_die(opt, arg, 1);
2648 static int opt_start_time(const char *opt, const char *arg)
2650 start_time = parse_time_or_die(opt, arg, 1);
2654 static int opt_rec_timestamp(const char *opt, const char *arg)
2656 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2660 static int opt_input_ts_offset(const char *opt, const char *arg)
2662 input_ts_offset = parse_time_or_die(opt, arg, 1);
2666 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2668 const char *codec_string = encoder ? "encoder" : "decoder";
2672 return CODEC_ID_NONE;
2674 avcodec_find_encoder_by_name(name) :
2675 avcodec_find_decoder_by_name(name);
2677 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2680 if(codec->type != type) {
2681 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2687 static void opt_input_file(const char *filename)
2689 AVFormatContext *ic;
2690 AVFormatParameters params, *ap = ¶ms;
2691 int err, i, ret, rfps, rfps_base;
2694 if (!strcmp(filename, "-"))
2697 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2698 !strcmp( filename, "/dev/stdin" );
2700 /* get default parameters from command line */
2701 ic = av_alloc_format_context();
2703 memset(ap, 0, sizeof(*ap));
2704 ap->prealloced_context = 1;
2705 ap->sample_rate = audio_sample_rate;
2706 ap->channels = audio_channels;
2707 ap->time_base.den = frame_rate.num;
2708 ap->time_base.num = frame_rate.den;
2709 ap->width = frame_width + frame_padleft + frame_padright;
2710 ap->height = frame_height + frame_padtop + frame_padbottom;
2711 ap->pix_fmt = frame_pix_fmt;
2712 ap->channel = video_channel;
2713 ap->standard = video_standard;
2714 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2715 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2716 if(pgmyuv_compatibility_hack)
2717 ap->video_codec_id= CODEC_ID_PGMYUV;
2719 for(i=0; i<opt_name_count; i++){
2721 const AVOption *opt;
2722 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2723 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2724 av_set_string(ic, opt_names[i], str);
2727 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2728 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2729 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2731 /* open the input file with generic libav function */
2732 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2734 print_error(filename, err);
2739 for(i=0; i<ic->nb_programs; i++)
2740 if(ic->programs[i]->id != opt_programid)
2741 ic->programs[i]->discard = AVDISCARD_ALL;
2744 ic->loop_input = loop_input;
2746 /* If not enough info to get the stream parameters, we decode the
2747 first frames to get it. (used in mpeg case for example) */
2748 ret = av_find_stream_info(ic);
2749 if (ret < 0 && verbose >= 0) {
2750 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2754 timestamp = start_time;
2755 /* add the stream start time */
2756 if (ic->start_time != AV_NOPTS_VALUE)
2757 timestamp += ic->start_time;
2759 /* if seeking requested, we execute it */
2760 if (start_time != 0) {
2761 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2763 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2764 filename, (double)timestamp / AV_TIME_BASE);
2766 /* reset seek info */
2770 /* update the current parameters so that they match the one of the input stream */
2771 for(i=0;i<ic->nb_streams;i++) {
2773 AVCodecContext *enc = ic->streams[i]->codec;
2775 avcodec_thread_init(enc, thread_count);
2776 enc->thread_count= thread_count;
2777 switch(enc->codec_type) {
2778 case CODEC_TYPE_AUDIO:
2779 for(j=0; j<opt_name_count; j++){
2781 const AVOption *opt;
2782 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2783 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2784 av_set_string(enc, opt_names[j], str);
2786 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2787 audio_channels = enc->channels;
2788 audio_sample_rate = enc->sample_rate;
2790 ic->streams[i]->discard= AVDISCARD_ALL;
2792 case CODEC_TYPE_VIDEO:
2793 for(j=0; j<opt_name_count; j++){
2795 const AVOption *opt;
2796 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2797 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2798 av_set_string(enc, opt_names[j], str);
2800 frame_height = enc->height;
2801 frame_width = enc->width;
2802 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2803 frame_pix_fmt = enc->pix_fmt;
2804 rfps = ic->streams[i]->r_frame_rate.num;
2805 rfps_base = ic->streams[i]->r_frame_rate.den;
2806 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2808 enc->debug |= FF_DEBUG_MV;
2810 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2813 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2814 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2816 (float)rfps / rfps_base, rfps, rfps_base);
2818 /* update the current frame rate to match the stream frame rate */
2819 frame_rate.num = rfps;
2820 frame_rate.den = rfps_base;
2822 enc->rate_emu = rate_emu;
2824 ic->streams[i]->discard= AVDISCARD_ALL;
2825 else if(video_discard)
2826 ic->streams[i]->discard= video_discard;
2828 case CODEC_TYPE_DATA:
2830 case CODEC_TYPE_SUBTITLE:
2831 if(subtitle_disable)
2832 ic->streams[i]->discard = AVDISCARD_ALL;
2834 case CODEC_TYPE_ATTACHMENT:
2835 case CODEC_TYPE_UNKNOWN:
2842 input_files[nb_input_files] = ic;
2843 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2844 /* dump the file content */
2846 dump_format(ic, nb_input_files, filename, 0);
2849 file_iformat = NULL;
2850 file_oformat = NULL;
2855 av_freep(&video_codec_name);
2856 av_freep(&audio_codec_name);
2857 av_freep(&subtitle_codec_name);
2860 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2861 int *has_subtitle_ptr)
2863 int has_video, has_audio, has_subtitle, i, j;
2864 AVFormatContext *ic;
2869 for(j=0;j<nb_input_files;j++) {
2870 ic = input_files[j];
2871 for(i=0;i<ic->nb_streams;i++) {
2872 AVCodecContext *enc = ic->streams[i]->codec;
2873 switch(enc->codec_type) {
2874 case CODEC_TYPE_AUDIO:
2877 case CODEC_TYPE_VIDEO:
2880 case CODEC_TYPE_SUBTITLE:
2883 case CODEC_TYPE_DATA:
2884 case CODEC_TYPE_ATTACHMENT:
2885 case CODEC_TYPE_UNKNOWN:
2892 *has_video_ptr = has_video;
2893 *has_audio_ptr = has_audio;
2894 *has_subtitle_ptr = has_subtitle;
2897 static void new_video_stream(AVFormatContext *oc)
2900 AVCodecContext *video_enc;
2903 st = av_new_stream(oc, oc->nb_streams);
2905 fprintf(stderr, "Could not alloc stream\n");
2908 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2909 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2910 video_bitstream_filters= NULL;
2913 avcodec_thread_init(st->codec, thread_count);
2915 video_enc = st->codec;
2918 video_enc->codec_tag= video_codec_tag;
2920 if( (video_global_header&1)
2921 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2922 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2923 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2925 if(video_global_header&2){
2926 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2927 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2930 if (video_stream_copy) {
2931 st->stream_copy = 1;
2932 video_enc->codec_type = CODEC_TYPE_VIDEO;
2937 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2939 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2940 if (video_codec_name)
2941 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2943 video_enc->codec_id = codec_id;
2944 codec = avcodec_find_encoder(codec_id);
2946 for(i=0; i<opt_name_count; i++){
2948 const AVOption *opt;
2949 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2950 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2951 av_set_string(video_enc, opt_names[i], str);
2954 video_enc->time_base.den = fps.num;
2955 video_enc->time_base.num = fps.den;
2956 if(codec && codec->supported_framerates){
2957 const AVRational *p= codec->supported_framerates;
2958 const AVRational *best=NULL;
2959 AVRational best_error= (AVRational){INT_MAX, 1};
2960 for(; p->den!=0; p++){
2961 AVRational error= av_sub_q(fps, *p);
2962 if(error.num <0) error.num *= -1;
2963 if(av_cmp_q(error, best_error) < 0){
2968 video_enc->time_base.den= best->num;
2969 video_enc->time_base.num= best->den;
2972 video_enc->width = frame_width + frame_padright + frame_padleft;
2973 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2974 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2975 video_enc->pix_fmt = frame_pix_fmt;
2977 if(codec && codec->pix_fmts){
2978 const enum PixelFormat *p= codec->pix_fmts;
2980 if(*p == video_enc->pix_fmt)
2984 video_enc->pix_fmt = codec->pix_fmts[0];
2988 video_enc->gop_size = 0;
2989 if (video_qscale || same_quality) {
2990 video_enc->flags |= CODEC_FLAG_QSCALE;
2991 video_enc->global_quality=
2992 st->quality = FF_QP2LAMBDA * video_qscale;
2996 video_enc->intra_matrix = intra_matrix;
2998 video_enc->inter_matrix = inter_matrix;
3000 video_enc->max_qdiff = video_qdiff;
3001 video_enc->thread_count = thread_count;
3002 p= video_rc_override_string;
3005 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3007 fprintf(stderr, "error parsing rc_override\n");
3010 video_enc->rc_override=
3011 av_realloc(video_enc->rc_override,
3012 sizeof(RcOverride)*(i+1));
3013 video_enc->rc_override[i].start_frame= start;
3014 video_enc->rc_override[i].end_frame = end;
3016 video_enc->rc_override[i].qscale= q;
3017 video_enc->rc_override[i].quality_factor= 1.0;
3020 video_enc->rc_override[i].qscale= 0;
3021 video_enc->rc_override[i].quality_factor= -q/100.0;
3026 video_enc->rc_override_count=i;
3027 if (!video_enc->rc_initial_buffer_occupancy)
3028 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3029 video_enc->me_threshold= me_threshold;
3030 video_enc->intra_dc_precision= intra_dc_precision - 8;
3031 video_enc->strict_std_compliance = strict;
3034 video_enc->flags|= CODEC_FLAG_PSNR;
3039 video_enc->flags |= CODEC_FLAG_PASS1;
3041 video_enc->flags |= CODEC_FLAG_PASS2;
3046 /* reset some key parameters */
3048 av_freep(&video_codec_name);
3049 video_stream_copy = 0;
3052 static void new_audio_stream(AVFormatContext *oc)
3055 AVCodecContext *audio_enc;
3058 st = av_new_stream(oc, oc->nb_streams);
3060 fprintf(stderr, "Could not alloc stream\n");
3063 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3065 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3066 audio_bitstream_filters= NULL;
3069 avcodec_thread_init(st->codec, thread_count);
3071 audio_enc = st->codec;
3072 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3073 audio_enc->strict_std_compliance = strict;
3076 audio_enc->codec_tag= audio_codec_tag;
3078 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3079 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3080 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3082 if (audio_stream_copy) {
3083 st->stream_copy = 1;
3084 audio_enc->channels = audio_channels;
3086 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3088 for(i=0; i<opt_name_count; i++){
3090 const AVOption *opt;
3091 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3092 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3093 av_set_string(audio_enc, opt_names[i], str);
3096 if (audio_codec_name)
3097 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3098 audio_enc->codec_id = codec_id;
3100 if (audio_qscale > QSCALE_NONE) {
3101 audio_enc->flags |= CODEC_FLAG_QSCALE;
3102 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3104 audio_enc->thread_count = thread_count;
3105 audio_enc->channels = audio_channels;
3107 audio_enc->sample_rate = audio_sample_rate;
3108 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3109 if (audio_language) {
3110 av_strlcpy(st->language, audio_language, sizeof(st->language));
3111 av_free(audio_language);
3112 audio_language = NULL;
3115 /* reset some key parameters */
3117 av_freep(&audio_codec_name);
3118 audio_stream_copy = 0;
3121 static void new_subtitle_stream(AVFormatContext *oc)
3124 AVCodecContext *subtitle_enc;
3127 st = av_new_stream(oc, oc->nb_streams);
3129 fprintf(stderr, "Could not alloc stream\n");
3132 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3134 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3135 subtitle_bitstream_filters= NULL;
3137 subtitle_enc = st->codec;
3138 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3139 if (subtitle_stream_copy) {
3140 st->stream_copy = 1;
3142 for(i=0; i<opt_name_count; i++){
3144 const AVOption *opt;
3145 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3146 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3147 av_set_string(subtitle_enc, opt_names[i], str);
3149 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3152 if (subtitle_language) {
3153 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3154 av_free(subtitle_language);
3155 subtitle_language = NULL;
3158 subtitle_disable = 0;
3159 av_freep(&subtitle_codec_name);
3160 subtitle_stream_copy = 0;
3163 static void opt_new_audio_stream(void)
3165 AVFormatContext *oc;
3166 if (nb_output_files <= 0) {
3167 fprintf(stderr, "At least one output file must be specified\n");
3170 oc = output_files[nb_output_files - 1];
3171 new_audio_stream(oc);
3174 static void opt_new_video_stream(void)
3176 AVFormatContext *oc;
3177 if (nb_output_files <= 0) {
3178 fprintf(stderr, "At least one output file must be specified\n");
3181 oc = output_files[nb_output_files - 1];
3182 new_video_stream(oc);
3185 static void opt_new_subtitle_stream(void)
3187 AVFormatContext *oc;
3188 if (nb_output_files <= 0) {
3189 fprintf(stderr, "At least one output file must be specified\n");
3192 oc = output_files[nb_output_files - 1];
3193 new_subtitle_stream(oc);
3196 static void opt_output_file(const char *filename)
3198 AVFormatContext *oc;
3199 int use_video, use_audio, use_subtitle;
3200 int input_has_video, input_has_audio, input_has_subtitle, i;
3201 AVFormatParameters params, *ap = ¶ms;
3203 if (!strcmp(filename, "-"))
3206 oc = av_alloc_format_context();
3208 if (!file_oformat) {
3209 file_oformat = guess_format(NULL, filename, NULL);
3210 if (!file_oformat) {
3211 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3217 oc->oformat = file_oformat;
3218 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3220 if (!strcmp(file_oformat->name, "ffm") &&
3221 av_strstart(filename, "http:", NULL)) {
3222 /* special case for files sent to ffserver: we get the stream
3223 parameters from ffserver */
3224 if (read_ffserver_streams(oc, filename) < 0) {
3225 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3229 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3230 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3231 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3233 /* disable if no corresponding type found and at least one
3235 if (nb_input_files > 0) {
3236 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3237 &input_has_subtitle);
3238 if (!input_has_video)
3240 if (!input_has_audio)
3242 if (!input_has_subtitle)
3246 /* manual disable */
3247 if (audio_disable) {
3250 if (video_disable) {
3253 if (subtitle_disable) {
3258 new_video_stream(oc);
3262 new_audio_stream(oc);
3266 new_subtitle_stream(oc);
3269 oc->timestamp = rec_timestamp;
3272 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3274 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3276 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3278 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3280 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3282 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3285 output_files[nb_output_files++] = oc;
3287 /* check filename in case of an image number is expected */
3288 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3289 if (!av_filename_number_test(oc->filename)) {
3290 print_error(oc->filename, AVERROR_NUMEXPECTED);
3295 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3296 /* test if it already exists to avoid loosing precious files */
3297 if (!file_overwrite &&
3298 (strchr(filename, ':') == NULL ||
3299 filename[1] == ':' ||
3300 av_strstart(filename, "file:", NULL))) {
3301 if (url_exist(filename)) {
3304 if ( !using_stdin ) {
3305 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3308 if (toupper(c) != 'Y') {
3309 fprintf(stderr, "Not overwriting - exiting\n");
3314 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3321 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3322 fprintf(stderr, "Could not open '%s'\n", filename);
3327 memset(ap, 0, sizeof(*ap));
3328 if (av_set_parameters(oc, ap) < 0) {
3329 fprintf(stderr, "%s: Invalid encoding parameters\n",
3334 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3335 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3336 oc->loop_output = loop_output;
3338 for(i=0; i<opt_name_count; i++){
3340 const AVOption *opt;
3341 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
3342 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3343 av_set_string(oc, opt_names[i], str);
3346 /* reset some options */
3347 file_oformat = NULL;
3348 file_iformat = NULL;
3351 /* same option as mencoder */
3352 static void opt_pass(const char *pass_str)
3355 pass = atoi(pass_str);
3356 if (pass != 1 && pass != 2) {
3357 fprintf(stderr, "pass number can be only 1 or 2\n");
3363 static int64_t getutime(void)
3365 #ifdef HAVE_GETRUSAGE
3366 struct rusage rusage;
3368 getrusage(RUSAGE_SELF, &rusage);
3369 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3370 #elif defined(HAVE_GETPROCESSTIMES)
3372 FILETIME c, e, k, u;
3373 proc = GetCurrentProcess();
3374 GetProcessTimes(proc, &c, &e, &k, &u);
3375 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3377 return av_gettime();
3381 static void opt_show_formats(void)
3383 AVInputFormat *ifmt=NULL;
3384 AVOutputFormat *ofmt=NULL;
3385 URLProtocol *up=NULL;
3386 AVCodec *p=NULL, *p2;
3387 AVBitStreamFilter *bsf=NULL;
3388 const char *last_name;
3390 printf("File formats:\n");
3395 const char *name=NULL;
3396 const char *long_name=NULL;
3398 while((ofmt= av_oformat_next(ofmt))) {
3399 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3400 strcmp(ofmt->name, last_name)>0){
3402 long_name= ofmt->long_name;
3406 while((ifmt= av_iformat_next(ifmt))) {
3407 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3408 strcmp(ifmt->name, last_name)>0){
3410 long_name= ifmt->long_name;
3413 if(name && strcmp(ifmt->name, name)==0)
3425 long_name ? long_name:" ");
3429 printf("Codecs:\n");
3435 const char *type_str;
3438 while((p= av_codec_next(p))) {
3439 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3440 strcmp(p->name, last_name)>0){
3442 decode= encode= cap=0;
3444 if(p2 && strcmp(p->name, p2->name)==0){
3445 if(p->decode) decode=1;
3446 if(p->encode) encode=1;
3447 cap |= p->capabilities;
3452 last_name= p2->name;
3455 case CODEC_TYPE_VIDEO:
3458 case CODEC_TYPE_AUDIO:
3461 case CODEC_TYPE_SUBTITLE:
3469 " %s%s%s%s%s%s %-15s %s",
3470 decode ? "D": (/*p2->decoder ? "d":*/" "),
3473 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3474 cap & CODEC_CAP_DR1 ? "D":" ",
3475 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3477 p2->long_name ? p2->long_name : "");
3478 /* if(p2->decoder && decode==0)
3479 printf(" use %s for decoding", p2->decoder->name);*/
3484 printf("Bitstream filters:\n");
3485 while((bsf = av_bitstream_filter_next(bsf)))
3486 printf(" %s", bsf->name);
3489 printf("Supported file protocols:\n");
3490 while((up = av_protocol_next(up)))
3491 printf(" %s:", up->name);
3494 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3497 "Note, the names of encoders and decoders do not always match, so there are\n"
3498 "several cases where the above table shows encoder only or decoder only entries\n"
3499 "even though both encoding and decoding are supported. For example, the h263\n"
3500 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3505 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3508 const char *p = str;
3515 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3522 static void opt_inter_matrix(const char *arg)
3524 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3525 parse_matrix_coeffs(inter_matrix, arg);
3528 static void opt_intra_matrix(const char *arg)
3530 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3531 parse_matrix_coeffs(intra_matrix, arg);
3535 * Trivial log callback.
3536 * Only suitable for show_help and similar since it lacks prefix handling.
3538 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3540 vfprintf(stdout, fmt, vl);
3543 static void show_help(void)
3545 av_log_set_callback(log_callback_help);
3546 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3547 "Hyper fast Audio and Video encoder\n");
3549 show_help_options(options, "Main options:\n",
3550 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3551 show_help_options(options, "\nVideo options:\n",
3552 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3554 show_help_options(options, "\nAdvanced Video options:\n",
3555 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3556 OPT_VIDEO | OPT_EXPERT);
3557 show_help_options(options, "\nAudio options:\n",
3558 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3560 show_help_options(options, "\nAdvanced Audio options:\n",
3561 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3562 OPT_AUDIO | OPT_EXPERT);
3563 show_help_options(options, "\nSubtitle options:\n",
3564 OPT_SUBTITLE | OPT_GRAB,
3566 show_help_options(options, "\nAudio/Video grab options:\n",
3569 show_help_options(options, "\nAdvanced options:\n",
3570 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3572 av_opt_show(avctx_opts[0], NULL);
3573 av_opt_show(avformat_opts, NULL);
3574 av_opt_show(sws_opts, NULL);
3577 static void opt_show_help(void)
3583 static void opt_target(const char *arg)
3586 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3588 if(!strncmp(arg, "pal-", 4)) {
3591 } else if(!strncmp(arg, "ntsc-", 5)) {
3594 } else if(!strncmp(arg, "film-", 5)) {
3599 /* Calculate FR via float to avoid int overflow */
3600 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3603 } else if((fr == 29970) || (fr == 23976)) {
3606 /* Try to determine PAL/NTSC by peeking in the input files */
3607 if(nb_input_files) {
3609 for(j = 0; j < nb_input_files; j++) {
3610 for(i = 0; i < input_files[j]->nb_streams; i++) {
3611 AVCodecContext *c = input_files[j]->streams[i]->codec;
3612 if(c->codec_type != CODEC_TYPE_VIDEO)
3614 fr = c->time_base.den * 1000 / c->time_base.num;
3618 } else if((fr == 29970) || (fr == 23976)) {
3628 if(verbose && norm >= 0)
3629 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3633 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3634 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3635 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3639 if(!strcmp(arg, "vcd")) {
3641 opt_video_codec("mpeg1video");
3642 opt_audio_codec("mp2");
3645 opt_frame_size(norm ? "352x240" : "352x288");
3646 opt_frame_rate(frame_rates[norm]);
3647 opt_default("gop", norm ? "18" : "15");
3649 opt_default("b", "1150000");
3650 opt_default("maxrate", "1150000");
3651 opt_default("minrate", "1150000");
3652 opt_default("bufsize", "327680"); // 40*1024*8;
3654 opt_default("ab", "224000");
3655 audio_sample_rate = 44100;
3658 opt_default("packetsize", "2324");
3659 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3661 /* We have to offset the PTS, so that it is consistent with the SCR.
3662 SCR starts at 36000, but the first two packs contain only padding
3663 and the first pack from the other stream, respectively, may also have
3664 been written before.
3665 So the real data starts at SCR 36000+3*1200. */
3666 mux_preload= (36000+3*1200) / 90000.0; //0.44
3667 } else if(!strcmp(arg, "svcd")) {
3669 opt_video_codec("mpeg2video");
3670 opt_audio_codec("mp2");
3673 opt_frame_size(norm ? "480x480" : "480x576");
3674 opt_frame_rate(frame_rates[norm]);
3675 opt_default("gop", norm ? "18" : "15");
3677 opt_default("b", "2040000");
3678 opt_default("maxrate", "2516000");
3679 opt_default("minrate", "0"); //1145000;
3680 opt_default("bufsize", "1835008"); //224*1024*8;
3681 opt_default("flags", "+SCAN_OFFSET");
3684 opt_default("ab", "224000");
3685 audio_sample_rate = 44100;
3687 opt_default("packetsize", "2324");
3689 } else if(!strcmp(arg, "dvd")) {
3691 opt_video_codec("mpeg2video");
3692 opt_audio_codec("ac3");
3695 opt_frame_size(norm ? "720x480" : "720x576");
3696 opt_frame_rate(frame_rates[norm]);
3697 opt_default("gop", norm ? "18" : "15");
3699 opt_default("b", "6000000");
3700 opt_default("maxrate", "9000000");
3701 opt_default("minrate", "0"); //1500000;
3702 opt_default("bufsize", "1835008"); //224*1024*8;
3704 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3705 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3707 opt_default("ab", "448000");
3708 audio_sample_rate = 48000;
3710 } else if(!strncmp(arg, "dv", 2)) {
3714 opt_frame_size(norm ? "720x480" : "720x576");
3715 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3716 (norm ? "yuv411p" : "yuv420p"));
3717 opt_frame_rate(frame_rates[norm]);
3719 audio_sample_rate = 48000;
3723 fprintf(stderr, "Unknown target: %s\n", arg);
3728 static void opt_vstats_file (const char *arg)
3730 av_free (vstats_filename);
3731 vstats_filename=av_strdup (arg);
3734 static void opt_vstats (void)
3737 time_t today2 = time(NULL);
3738 struct tm *today = localtime(&today2);
3740 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3742 opt_vstats_file(filename);
3745 static int opt_bsf(const char *opt, const char *arg)
3747 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3748 AVBitStreamFilterContext **bsfp;
3751 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3755 bsfp= *opt == 'v' ? &video_bitstream_filters :
3756 *opt == 'a' ? &audio_bitstream_filters :
3757 &subtitle_bitstream_filters;
3759 bsfp= &(*bsfp)->next;
3766 static void opt_show_license(void)
3772 static void opt_show_version(void)
3774 show_version(program_name);
3778 static const OptionDef options[] = {
3780 { "L", 0, {(void*)opt_show_license}, "show license" },
3781 { "h", 0, {(void*)opt_show_help}, "show help" },
3782 { "version", 0, {(void*)opt_show_version}, "show version" },
3783 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3784 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3785 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3786 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3787 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3788 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3789 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3790 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3791 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3792 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3793 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3794 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3795 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3796 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3797 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3798 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3799 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3800 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3801 "add timings for benchmarking" },
3802 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3803 "dump each input packet" },
3804 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3805 "when dumping packets, also dump the payload" },
3806 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3807 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3808 { "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)", "" },
3809 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3810 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3811 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3812 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3813 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3814 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3815 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3816 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3817 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3818 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3819 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3822 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3823 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3824 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3825 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3826 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3827 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3828 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3829 { "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" },
3830 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3831 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3832 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3833 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3834 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3835 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3836 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3837 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3838 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3839 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3840 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3841 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3842 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3843 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3844 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3845 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3846 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3847 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3848 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3849 "use same video quality as source (implies VBR)" },
3850 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3851 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3852 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3853 "deinterlace pictures" },
3854 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3855 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3856 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3858 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3860 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3861 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3862 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3863 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3864 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3865 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3866 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3869 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3870 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3871 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3872 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3873 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3874 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3875 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3876 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3877 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3878 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3879 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3881 /* subtitle options */
3882 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3883 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3884 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3885 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3888 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3889 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3890 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3893 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3894 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3896 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3897 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3898 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream filter" },
3900 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3904 int main(int argc, char **argv)
3909 avcodec_register_all();
3910 avdevice_register_all();
3913 for(i=0; i<CODEC_TYPE_NB; i++){
3914 avctx_opts[i]= avcodec_alloc_context2(i);
3916 avformat_opts = av_alloc_format_context();
3917 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3919 show_banner(program_name, program_birth_year);
3926 parse_options(argc, argv, options, opt_output_file);
3928 /* file converter / grab */
3929 if (nb_output_files <= 0) {
3930 fprintf(stderr, "Must supply at least one output file\n");
3934 if (nb_input_files == 0) {
3935 fprintf(stderr, "Must supply at least one input file\n");
3940 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3941 stream_maps, nb_stream_maps);
3942 ti = getutime() - ti;
3944 printf("bench: utime=%0.3fs\n", ti / 1000000.0);