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
65 const char program_name[] = "FFmpeg";
66 const int program_birth_year = 2000;
68 /* select an input stream for an output stream */
69 typedef struct AVStreamMap {
73 int sync_stream_index;
76 /** select an input file for an output file */
77 typedef struct AVMetaDataMap {
82 static const OptionDef options[];
86 static AVFormatContext *input_files[MAX_FILES];
87 static int64_t input_files_ts_offset[MAX_FILES];
88 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
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;
117 static float video_qscale = 0;
118 static uint16_t *intra_matrix = NULL;
119 static uint16_t *inter_matrix = NULL;
120 #if 0 //experimental, (can be removed)
121 static float video_rc_qsquish=1.0;
122 static float video_rc_qmod_amp=0;
123 static int video_rc_qmod_freq=0;
125 static const char *video_rc_override_string=NULL;
126 static int video_disable = 0;
127 static int video_discard = 0;
128 static char *video_codec_name = NULL;
129 static int video_codec_tag = 0;
130 static int same_quality = 0;
131 static int do_deinterlace = 0;
132 static int top_field_first = -1;
133 static int me_threshold = 0;
134 static int intra_dc_precision = 8;
135 static int loop_input = 0;
136 static int loop_output = AVFMT_NOOUTPUTLOOP;
137 static int qp_hist = 0;
139 static int intra_only = 0;
140 static int audio_sample_rate = 44100;
141 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static char *audio_codec_name = NULL;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
149 static int subtitle_disable = 0;
150 static char *subtitle_codec_name = NULL;
151 static char *subtitle_language = NULL;
153 static float mux_preload= 0.5;
154 static float mux_max_delay= 0.7;
156 static int64_t recording_time = INT64_MAX;
157 static int64_t start_time = 0;
158 static int64_t rec_timestamp = 0;
159 static int64_t input_ts_offset = 0;
160 static int file_overwrite = 0;
161 static char *str_title = NULL;
162 static char *str_author = NULL;
163 static char *str_copyright = NULL;
164 static char *str_comment = NULL;
165 static char *str_genre = NULL;
166 static char *str_album = NULL;
167 static int do_benchmark = 0;
168 static int do_hex_dump = 0;
169 static int do_pkt_dump = 0;
170 static int do_psnr = 0;
171 static int do_pass = 0;
172 static char *pass_logfilename = NULL;
173 static int audio_stream_copy = 0;
174 static int video_stream_copy = 0;
175 static int subtitle_stream_copy = 0;
176 static int video_sync_method= -1;
177 static int audio_sync_method= 0;
178 static float audio_drift_threshold= 0.1;
179 static int copy_ts= 0;
180 static int opt_shortest = 0; //
181 static int video_global_header = 0;
182 static char *vstats_filename;
183 static FILE *vstats_file;
184 static int opt_programid = 0;
186 static int rate_emu = 0;
188 static int video_channel = 0;
189 static char *video_standard;
191 static int audio_volume = 256;
193 static int using_stdin = 0;
194 static int using_vhook = 0;
195 static int verbose = 1;
196 static int thread_count= 1;
197 static int q_pressed = 0;
198 static int64_t video_size = 0;
199 static int64_t audio_size = 0;
200 static int64_t extra_size = 0;
201 static int nb_frames_dup = 0;
202 static int nb_frames_drop = 0;
203 static int input_sync;
204 static uint64_t limit_filesize = 0; //
206 static int pgmyuv_compatibility_hack=0;
207 static float dts_delta_threshold = 10;
209 static unsigned int sws_flags = SWS_BICUBIC;
211 static const char **opt_names;
212 static int opt_name_count;
213 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214 static AVFormatContext *avformat_opts;
215 static struct SwsContext *sws_opts;
216 static int64_t timer_start;
218 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225 struct AVInputStream;
227 typedef struct AVOutputStream {
228 int file_index; /* file index */
229 int index; /* stream index in the output file */
230 int source_index; /* AVInputStream index */
231 AVStream *st; /* stream in the output file */
232 int encoding_needed; /* true if encoding needed for this stream */
234 /* input pts and corresponding output pts
236 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
237 struct AVInputStream *sync_ist; /* input stream to sync against */
238 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
246 int topBand; /* cropping area sizes */
250 int padtop; /* padding area sizes */
257 ReSampleContext *resample; /* for audio resampling */
258 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
262 typedef struct AVInputStream {
266 int discard; /* true if stream data should be discarded */
267 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
268 int64_t sample_index; /* current sample */
270 int64_t start; /* time when read started */
271 unsigned long frame; /* current frame */
272 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 int64_t pts; /* current pts */
275 int is_start; /* is 1 at the start and after a discontinuity */
278 typedef struct AVInputFile {
279 int eof_reached; /* true if eof reached */
280 int ist_index; /* index of first stream in ist_table */
281 int buffer_size; /* current total buffer size */
282 int nb_streams; /* nb streams we are aware of */
285 #ifdef HAVE_TERMIOS_H
287 /* init terminal so that we can grab keys */
288 static struct termios oldtty;
291 static void term_exit(void)
293 #ifdef HAVE_TERMIOS_H
294 tcsetattr (0, TCSANOW, &oldtty);
298 static volatile sig_atomic_t received_sigterm = 0;
301 sigterm_handler(int sig)
303 received_sigterm = sig;
307 static void term_init(void)
309 #ifdef HAVE_TERMIOS_H
315 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
316 |INLCR|IGNCR|ICRNL|IXON);
317 tty.c_oflag |= OPOST;
318 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
319 tty.c_cflag &= ~(CSIZE|PARENB);
324 tcsetattr (0, TCSANOW, &tty);
325 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 register a function to be called at normal program termination
334 #ifdef CONFIG_BEOS_NETSERVER
335 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
339 /* read a key without blocking */
340 static int read_key(void)
342 #if defined(HAVE_TERMIOS_H)
345 #ifndef CONFIG_BEOS_NETSERVER
353 n = select(1, &rfds, NULL, NULL, &tv);
362 #elif defined(HAVE_CONIO_H)
369 static int decode_interrupt_cb(void)
371 return q_pressed || (q_pressed = read_key() == 'q');
374 static int av_exit(int ret)
379 for(i=0;i<nb_output_files;i++) {
380 /* maybe av_close_output_file ??? */
381 AVFormatContext *s = output_files[i];
383 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
385 for(j=0;j<s->nb_streams;j++) {
386 av_free(s->streams[j]->codec);
387 av_free(s->streams[j]);
391 for(i=0;i<nb_input_files;i++)
392 av_close_input_file(input_files[i]);
394 av_free(intra_matrix);
395 av_free(inter_matrix);
399 av_free(vstats_filename);
403 av_free(video_codec_name);
404 av_free(audio_codec_name);
405 av_free(subtitle_codec_name);
407 av_free(video_standard);
409 #ifdef CONFIG_POWERPC_PERF
410 extern void powerpc_display_perf_report(void);
411 powerpc_display_perf_report();
412 #endif /* CONFIG_POWERPC_PERF */
414 if (received_sigterm) {
416 "Received signal %d: terminating.\n",
417 (int) received_sigterm);
421 exit(ret); /* not all OS-es handle main() return value */
425 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
431 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
434 /* copy stream format */
435 s->nb_streams = ic->nb_streams;
436 for(i=0;i<ic->nb_streams;i++) {
439 // FIXME: a more elegant solution is needed
440 st = av_mallocz(sizeof(AVStream));
441 memcpy(st, ic->streams[i], sizeof(AVStream));
442 st->codec = avcodec_alloc_context();
443 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
446 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
448 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
451 if(!st->codec->thread_count)
452 st->codec->thread_count = 1;
453 if(st->codec->thread_count>1)
454 avcodec_thread_init(st->codec, st->codec->thread_count);
456 if(st->codec->flags & CODEC_FLAG_BITEXACT)
461 s->timestamp = av_gettime();
463 av_close_input_file(ic);
468 get_sync_ipts(const AVOutputStream *ost)
470 const AVInputStream *ist = ost->sync_ist;
471 return (double)(ist->pts - start_time)/AV_TIME_BASE;
474 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
478 AVPacket new_pkt= *pkt;
479 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
480 &new_pkt.data, &new_pkt.size,
481 pkt->data, pkt->size,
482 pkt->flags & PKT_FLAG_KEY);
485 new_pkt.destruct= av_destruct_packet;
487 fprintf(stderr, "%s failed for stream %d, codec %s",
488 bsfc->filter->name, pkt->stream_index,
489 avctx->codec ? avctx->codec->name : "copy");
497 ret= av_interleaved_write_frame(s, pkt);
499 print_error("av_interleaved_write_frame()", ret);
504 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
506 static void do_audio_out(AVFormatContext *s,
509 unsigned char *buf, int size)
512 static uint8_t *audio_buf = NULL;
513 static uint8_t *audio_out = NULL;
514 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
516 int size_out, frame_bytes, ret;
517 AVCodecContext *enc= ost->st->codec;
518 AVCodecContext *dec= ist->st->codec;
520 /* SC: dynamic allocation of buffers */
522 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
524 audio_out = av_malloc(audio_out_size);
525 if (!audio_buf || !audio_out)
526 return; /* Should signal an error ! */
528 if (enc->channels != dec->channels)
529 ost->audio_resample = 1;
531 if (ost->audio_resample && !ost->resample) {
532 ost->resample = audio_resample_init(enc->channels, dec->channels,
533 enc->sample_rate, dec->sample_rate);
534 if (!ost->resample) {
535 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
536 dec->channels, dec->sample_rate,
537 enc->channels, enc->sample_rate);
542 if(audio_sync_method){
543 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
544 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
545 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
546 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
548 //FIXME resample delay
549 if(fabs(delta) > 50){
550 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
552 byte_delta= FFMAX(byte_delta, -size);
556 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
561 static uint8_t *input_tmp= NULL;
562 input_tmp= av_realloc(input_tmp, byte_delta + size);
564 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
567 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
569 memset(input_tmp, 0, byte_delta);
570 memcpy(input_tmp + byte_delta, buf, size);
574 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
576 }else if(audio_sync_method>1){
577 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
578 assert(ost->audio_resample);
580 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
581 // 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));
582 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
586 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
587 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
589 if (ost->audio_resample) {
591 size_out = audio_resample(ost->resample,
592 (short *)buftmp, (short *)buf,
593 size / (ist->st->codec->channels * 2));
594 size_out = size_out * enc->channels * 2;
600 /* now encode as many frames as possible */
601 if (enc->frame_size > 1) {
602 /* output resampled raw samples */
603 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out);
604 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
606 frame_bytes = enc->frame_size * 2 * enc->channels;
608 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
610 av_init_packet(&pkt);
612 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
614 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
616 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
619 pkt.stream_index= ost->index;
622 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
623 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
624 pkt.flags |= PKT_FLAG_KEY;
625 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
627 ost->sync_opts += enc->frame_size;
631 av_init_packet(&pkt);
633 ost->sync_opts += size_out / (2 * enc->channels);
635 /* output a pcm frame */
636 /* XXX: change encoding codec API to avoid this ? */
637 switch(enc->codec->id) {
638 case CODEC_ID_PCM_S32LE:
639 case CODEC_ID_PCM_S32BE:
640 case CODEC_ID_PCM_U32LE:
641 case CODEC_ID_PCM_U32BE:
642 size_out = size_out << 1;
644 case CODEC_ID_PCM_S24LE:
645 case CODEC_ID_PCM_S24BE:
646 case CODEC_ID_PCM_U24LE:
647 case CODEC_ID_PCM_U24BE:
648 case CODEC_ID_PCM_S24DAUD:
649 size_out = size_out / 2 * 3;
651 case CODEC_ID_PCM_S16LE:
652 case CODEC_ID_PCM_S16BE:
653 case CODEC_ID_PCM_U16LE:
654 case CODEC_ID_PCM_U16BE:
657 size_out = size_out >> 1;
660 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
661 ret = avcodec_encode_audio(enc, audio_out, size_out,
664 pkt.stream_index= ost->index;
667 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
668 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
669 pkt.flags |= PKT_FLAG_KEY;
670 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
674 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
678 AVPicture picture_tmp;
681 dec = ist->st->codec;
683 /* deinterlace : must be done before any resize */
684 if (do_deinterlace || using_vhook) {
687 /* create temporary picture */
688 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
689 buf = av_malloc(size);
693 picture2 = &picture_tmp;
694 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
697 if(avpicture_deinterlace(picture2, picture,
698 dec->pix_fmt, dec->width, dec->height) < 0) {
699 /* if error, do not deinterlace */
705 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
712 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
713 1000000 * ist->pts / AV_TIME_BASE);
715 if (picture != picture2)
716 *picture = *picture2;
720 /* we begin to correct av delay at this threshold */
721 #define AV_DELAY_MAX 0.100
723 static void do_subtitle_out(AVFormatContext *s,
729 static uint8_t *subtitle_out = NULL;
730 int subtitle_out_max_size = 65536;
731 int subtitle_out_size, nb, i;
735 if (pts == AV_NOPTS_VALUE) {
736 fprintf(stderr, "Subtitle packets must have a pts\n");
740 enc = ost->st->codec;
743 subtitle_out = av_malloc(subtitle_out_max_size);
746 /* Note: DVB subtitle need one packet to draw them and one other
747 packet to clear them */
748 /* XXX: signal it in the codec context ? */
749 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
754 for(i = 0; i < nb; i++) {
755 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
756 subtitle_out_max_size, sub);
758 av_init_packet(&pkt);
759 pkt.stream_index = ost->index;
760 pkt.data = subtitle_out;
761 pkt.size = subtitle_out_size;
762 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
763 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
764 /* XXX: the pts correction is handled here. Maybe handling
765 it in the codec would be better */
767 pkt.pts += 90 * sub->start_display_time;
769 pkt.pts += 90 * sub->end_display_time;
771 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
775 static int bit_buffer_size= 1024*256;
776 static uint8_t *bit_buffer= NULL;
778 static void do_video_out(AVFormatContext *s,
784 int nb_frames, i, ret;
785 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
786 AVFrame picture_crop_temp, picture_pad_temp;
787 AVCodecContext *enc, *dec;
789 avcodec_get_frame_defaults(&picture_crop_temp);
790 avcodec_get_frame_defaults(&picture_pad_temp);
792 enc = ost->st->codec;
793 dec = ist->st->codec;
795 /* by default, we output a single frame */
800 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
802 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
803 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
806 else if (video_sync_method == 2)
807 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
808 else if (vdelta > 1.1)
809 nb_frames = lrintf(vdelta);
810 //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);
814 fprintf(stderr, "*** drop!\n");
815 }else if (nb_frames > 1) {
816 nb_frames_dup += nb_frames;
818 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
821 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
823 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
827 if (ost->video_crop) {
828 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
829 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
832 formatted_picture = &picture_crop_temp;
834 formatted_picture = in_picture;
837 final_picture = formatted_picture;
838 padding_src = formatted_picture;
839 resampling_dst = &ost->pict_tmp;
840 if (ost->video_pad) {
841 final_picture = &ost->pict_tmp;
842 if (ost->video_resample) {
843 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
844 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
847 resampling_dst = &picture_pad_temp;
851 if (ost->video_resample) {
853 final_picture = &ost->pict_tmp;
854 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
855 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
858 if (ost->video_pad) {
859 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
860 enc->height, enc->width, enc->pix_fmt,
861 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
864 /* duplicates frame if needed */
865 for(i=0;i<nb_frames;i++) {
867 av_init_packet(&pkt);
868 pkt.stream_index= ost->index;
870 if (s->oformat->flags & AVFMT_RAWPICTURE) {
871 /* raw pictures are written as AVPicture structure to
872 avoid any copies. We support temorarily the older
874 AVFrame* old_frame = enc->coded_frame;
875 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
876 pkt.data= (uint8_t *)final_picture;
877 pkt.size= sizeof(AVPicture);
878 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
879 pkt.flags |= PKT_FLAG_KEY;
881 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
882 enc->coded_frame = old_frame;
886 big_picture= *final_picture;
887 /* better than nothing: use input picture interlaced
889 big_picture.interlaced_frame = in_picture->interlaced_frame;
890 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
891 if(top_field_first == -1)
892 big_picture.top_field_first = in_picture->top_field_first;
894 big_picture.top_field_first = top_field_first;
897 /* handles sameq here. This is not correct because it may
898 not be a global option */
900 big_picture.quality = ist->st->quality;
902 big_picture.quality = ost->st->quality;
904 big_picture.pict_type = 0;
905 // big_picture.pts = AV_NOPTS_VALUE;
906 big_picture.pts= ost->sync_opts;
907 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
908 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
909 ret = avcodec_encode_video(enc,
910 bit_buffer, bit_buffer_size,
913 fprintf(stderr, "Video encoding failed\n");
916 //enc->frame_number = enc->real_pict_num;
918 pkt.data= bit_buffer;
920 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
921 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
922 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
923 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
924 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
926 if(enc->coded_frame->key_frame)
927 pkt.flags |= PKT_FLAG_KEY;
928 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
931 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
932 // enc->frame_number-1, enc->real_pict_num, ret,
934 /* if two pass, output log */
935 if (ost->logfile && enc->stats_out) {
936 fprintf(ost->logfile, "%s", enc->stats_out);
945 static double psnr(double d){
946 return -10.0*log(d)/log(10.0);
949 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
954 double ti1, bitrate, avg_bitrate;
956 /* this is executed just the first time do_video_stats is called */
958 vstats_file = fopen(vstats_filename, "w");
965 enc = ost->st->codec;
966 if (enc->codec_type == CODEC_TYPE_VIDEO) {
967 frame_number = ost->frame_number;
968 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
969 if (enc->flags&CODEC_FLAG_PSNR)
970 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
972 fprintf(vstats_file,"f_size= %6d ", frame_size);
973 /* compute pts value */
974 ti1 = ost->sync_opts * av_q2d(enc->time_base);
978 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
979 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
980 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
981 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
982 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
986 static void print_report(AVFormatContext **output_files,
987 AVOutputStream **ost_table, int nb_ostreams,
992 AVFormatContext *oc, *os;
995 int frame_number, vid, i;
996 double bitrate, ti1, pts;
997 static int64_t last_time = -1;
998 static int qp_histogram[52];
1000 if (!is_last_report) {
1002 /* display the report every 0.5 seconds */
1003 cur_time = av_gettime();
1004 if (last_time == -1) {
1005 last_time = cur_time;
1008 if ((cur_time - last_time) < 500000)
1010 last_time = cur_time;
1014 oc = output_files[0];
1016 total_size = url_fsize(oc->pb);
1017 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1018 total_size= url_ftell(oc->pb);
1023 for(i=0;i<nb_ostreams;i++) {
1025 os = output_files[ost->file_index];
1026 enc = ost->st->codec;
1027 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1028 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1029 !ost->st->stream_copy ?
1030 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1032 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1033 float t = (av_gettime()-timer_start) / 1000000.0;
1035 frame_number = ost->frame_number;
1036 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1037 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1038 !ost->st->stream_copy ?
1039 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1041 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1044 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1045 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1048 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1050 if (enc->flags&CODEC_FLAG_PSNR){
1052 double error, error_sum=0;
1053 double scale, scale_sum=0;
1054 char type[3]= {'Y','U','V'};
1055 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1058 error= enc->error[j];
1059 scale= enc->width*enc->height*255.0*255.0*frame_number;
1061 error= enc->coded_frame->error[j];
1062 scale= enc->width*enc->height*255.0*255.0;
1067 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1069 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1073 /* compute min output value */
1074 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1075 if ((pts < ti1) && (pts > 0))
1081 if (verbose || is_last_report) {
1082 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1084 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1085 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1086 (double)total_size / 1024, ti1, bitrate);
1089 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1090 nb_frames_dup, nb_frames_drop);
1093 fprintf(stderr, "%s \r", buf);
1098 if (is_last_report && verbose >= 0){
1099 int64_t raw= audio_size + video_size + extra_size;
1100 fprintf(stderr, "\n");
1101 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1105 100.0*(total_size - raw)/raw
1110 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1111 static int output_packet(AVInputStream *ist, int ist_index,
1112 AVOutputStream **ost_table, int nb_ostreams,
1113 const AVPacket *pkt)
1115 AVFormatContext *os;
1116 AVOutputStream *ost;
1120 int data_size, got_picture;
1122 void *buffer_to_free;
1123 static unsigned int samples_size= 0;
1124 static short *samples= NULL;
1125 AVSubtitle subtitle, *subtitle_to_free;
1128 if(ist->next_pts == AV_NOPTS_VALUE)
1129 ist->next_pts= ist->pts;
1138 if(pkt->dts != AV_NOPTS_VALUE)
1139 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1144 //while we have more to decode or while the decoder did output something on EOF
1145 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1147 ist->pts= ist->next_pts;
1149 if(len && len != pkt->size && verbose>0)
1150 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1152 /* decode the packet if needed */
1153 data_buf = NULL; /* fail safe */
1155 subtitle_to_free = NULL;
1156 if (ist->decoding_needed) {
1157 switch(ist->st->codec->codec_type) {
1158 case CODEC_TYPE_AUDIO:{
1160 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1161 data_size= samples_size;
1162 /* XXX: could avoid copy if PCM 16 bits with same
1163 endianness as CPU */
1164 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1170 /* Some bug in mpeg audio decoder gives */
1171 /* data_size < 0, it seems they are overflows */
1172 if (data_size <= 0) {
1173 /* no audio frame */
1176 data_buf = (uint8_t *)samples;
1177 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1178 (ist->st->codec->sample_rate * ist->st->codec->channels);
1180 case CODEC_TYPE_VIDEO:
1181 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1182 /* XXX: allocate picture correctly */
1183 avcodec_get_frame_defaults(&picture);
1185 ret = avcodec_decode_video(ist->st->codec,
1186 &picture, &got_picture, ptr, len);
1187 ist->st->quality= picture.quality;
1191 /* no picture yet */
1192 goto discard_packet;
1194 if (ist->st->codec->time_base.num != 0) {
1195 ist->next_pts += ((int64_t)AV_TIME_BASE *
1196 ist->st->codec->time_base.num) /
1197 ist->st->codec->time_base.den;
1201 case CODEC_TYPE_SUBTITLE:
1202 ret = avcodec_decode_subtitle(ist->st->codec,
1203 &subtitle, &got_subtitle, ptr, len);
1206 if (!got_subtitle) {
1207 goto discard_packet;
1209 subtitle_to_free = &subtitle;
1216 switch(ist->st->codec->codec_type) {
1217 case CODEC_TYPE_AUDIO:
1218 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1219 ist->st->codec->sample_rate;
1221 case CODEC_TYPE_VIDEO:
1222 if (ist->st->codec->time_base.num != 0) {
1223 ist->next_pts += ((int64_t)AV_TIME_BASE *
1224 ist->st->codec->time_base.num) /
1225 ist->st->codec->time_base.den;
1235 buffer_to_free = NULL;
1236 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1237 pre_process_video_frame(ist, (AVPicture *)&picture,
1241 // preprocess audio (volume)
1242 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1243 if (audio_volume != 256) {
1246 for(i=0;i<(data_size / sizeof(short));i++) {
1247 int v = ((*volp) * audio_volume + 128) >> 8;
1248 if (v < -32768) v = -32768;
1249 if (v > 32767) v = 32767;
1255 /* frame rate emulation */
1256 if (ist->st->codec->rate_emu) {
1257 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1258 int64_t now = av_gettime() - ist->start;
1266 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1267 is the one of the next displayed one */
1268 /* XXX: add mpeg4 too ? */
1269 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1270 if (ist->st->codec->pict_type != B_TYPE) {
1272 tmp = ist->last_ip_pts;
1273 ist->last_ip_pts = ist->frac_pts.val;
1274 ist->frac_pts.val = tmp;
1278 /* if output time reached then transcode raw format,
1279 encode packets and output them */
1280 if (start_time == 0 || ist->pts >= start_time)
1281 for(i=0;i<nb_ostreams;i++) {
1285 if (ost->source_index == ist_index) {
1286 os = output_files[ost->file_index];
1289 printf("%d: got pts=%0.3f %0.3f\n", i,
1290 (double)pkt->pts / AV_TIME_BASE,
1291 ((double)ist->pts / AV_TIME_BASE) -
1292 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1294 /* set the input output pts pairs */
1295 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1297 if (ost->encoding_needed) {
1298 switch(ost->st->codec->codec_type) {
1299 case CODEC_TYPE_AUDIO:
1300 do_audio_out(os, ost, ist, data_buf, data_size);
1302 case CODEC_TYPE_VIDEO:
1303 do_video_out(os, ost, ist, &picture, &frame_size);
1304 if (vstats_filename && frame_size)
1305 do_video_stats(os, ost, frame_size);
1307 case CODEC_TYPE_SUBTITLE:
1308 do_subtitle_out(os, ost, ist, &subtitle,
1315 AVFrame avframe; //FIXME/XXX remove this
1317 av_init_packet(&opkt);
1319 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1322 /* no reencoding needed : output the packet directly */
1323 /* force the input stream PTS */
1325 avcodec_get_frame_defaults(&avframe);
1326 ost->st->codec->coded_frame= &avframe;
1327 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1329 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1330 audio_size += data_size;
1331 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1332 video_size += data_size;
1336 opkt.stream_index= ost->index;
1337 if(pkt->pts != AV_NOPTS_VALUE)
1338 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1340 opkt.pts= AV_NOPTS_VALUE;
1342 if (pkt->dts == AV_NOPTS_VALUE)
1343 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1345 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1347 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1348 opkt.flags= pkt->flags;
1350 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1351 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1352 opkt.destruct= av_destruct_packet;
1354 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1355 ost->st->codec->frame_number++;
1356 ost->frame_number++;
1357 av_free_packet(&opkt);
1361 av_free(buffer_to_free);
1362 /* XXX: allocate the subtitles in the codec ? */
1363 if (subtitle_to_free) {
1364 if (subtitle_to_free->rects != NULL) {
1365 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1366 av_free(subtitle_to_free->rects[i].bitmap);
1367 av_free(subtitle_to_free->rects[i].rgba_palette);
1369 av_freep(&subtitle_to_free->rects);
1371 subtitle_to_free->num_rects = 0;
1372 subtitle_to_free = NULL;
1379 for(i=0;i<nb_ostreams;i++) {
1381 if (ost->source_index == ist_index) {
1382 AVCodecContext *enc= ost->st->codec;
1383 os = output_files[ost->file_index];
1385 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1387 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1390 if (ost->encoding_needed) {
1394 av_init_packet(&pkt);
1395 pkt.stream_index= ost->index;
1397 switch(ost->st->codec->codec_type) {
1398 case CODEC_TYPE_AUDIO:
1399 fifo_bytes = av_fifo_size(&ost->fifo);
1401 /* encode any samples remaining in fifo */
1402 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1403 int fs_tmp = enc->frame_size;
1404 enc->frame_size = fifo_bytes / (2 * enc->channels);
1405 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1406 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1407 enc->frame_size = fs_tmp;
1410 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1413 pkt.flags |= PKT_FLAG_KEY;
1415 case CODEC_TYPE_VIDEO:
1416 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1418 if(enc->coded_frame && enc->coded_frame->key_frame)
1419 pkt.flags |= PKT_FLAG_KEY;
1420 if (ost->logfile && enc->stats_out) {
1421 fprintf(ost->logfile, "%s", enc->stats_out);
1430 pkt.data= bit_buffer;
1432 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1433 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1434 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1446 static void print_sdp(AVFormatContext **avc, int n)
1450 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1451 printf("SDP:\n%s\n", sdp);
1454 static int stream_index_from_inputs(AVFormatContext **input_files,
1456 AVInputFile *file_table,
1457 AVInputStream **ist_table,
1458 enum CodecType type,
1462 for(z=0; z<nb_input_files; z++) {
1463 AVFormatContext *ic = input_files[z];
1464 for(p=0; p<ic->nb_programs; p++) {
1465 AVProgram *program = ic->programs[p];
1466 if(program->id != programid)
1468 for(q=0; q<program->nb_stream_indexes; q++) {
1469 int sidx = program->stream_index[q];
1470 int ris = file_table[z].ist_index + sidx;
1471 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1481 * The following code is the main loop of the file converter
1483 static int av_encode(AVFormatContext **output_files,
1484 int nb_output_files,
1485 AVFormatContext **input_files,
1487 AVStreamMap *stream_maps, int nb_stream_maps)
1489 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1490 AVFormatContext *is, *os;
1491 AVCodecContext *codec, *icodec;
1492 AVOutputStream *ost, **ost_table = NULL;
1493 AVInputStream *ist, **ist_table = NULL;
1494 AVInputFile *file_table;
1498 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1502 /* input stream init */
1504 for(i=0;i<nb_input_files;i++) {
1505 is = input_files[i];
1506 file_table[i].ist_index = j;
1507 file_table[i].nb_streams = is->nb_streams;
1508 j += is->nb_streams;
1512 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1516 for(i=0;i<nb_istreams;i++) {
1517 ist = av_mallocz(sizeof(AVInputStream));
1523 for(i=0;i<nb_input_files;i++) {
1524 is = input_files[i];
1525 for(k=0;k<is->nb_streams;k++) {
1526 ist = ist_table[j++];
1527 ist->st = is->streams[k];
1528 ist->file_index = i;
1530 ist->discard = 1; /* the stream is discarded by default
1533 if (ist->st->codec->rate_emu) {
1534 ist->start = av_gettime();
1540 /* output stream init */
1542 for(i=0;i<nb_output_files;i++) {
1543 os = output_files[i];
1544 if (!os->nb_streams) {
1545 fprintf(stderr, "Output file does not contain any stream\n");
1548 nb_ostreams += os->nb_streams;
1550 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1551 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1555 /* Sanity check the mapping args -- do the input files & streams exist? */
1556 for(i=0;i<nb_stream_maps;i++) {
1557 int fi = stream_maps[i].file_index;
1558 int si = stream_maps[i].stream_index;
1560 if (fi < 0 || fi > nb_input_files - 1 ||
1561 si < 0 || si > file_table[fi].nb_streams - 1) {
1562 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1565 fi = stream_maps[i].sync_file_index;
1566 si = stream_maps[i].sync_stream_index;
1567 if (fi < 0 || fi > nb_input_files - 1 ||
1568 si < 0 || si > file_table[fi].nb_streams - 1) {
1569 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1574 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1577 for(i=0;i<nb_ostreams;i++) {
1578 ost = av_mallocz(sizeof(AVOutputStream));
1585 for(k=0;k<nb_output_files;k++) {
1586 os = output_files[k];
1587 for(i=0;i<os->nb_streams;i++) {
1589 ost = ost_table[n++];
1590 ost->file_index = k;
1592 ost->st = os->streams[i];
1593 if (nb_stream_maps > 0) {
1594 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1595 stream_maps[n-1].stream_index;
1597 /* Sanity check that the stream types match */
1598 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1599 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1600 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1601 ost->file_index, ost->index);
1608 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1610 ost->source_index = j;
1614 /* get corresponding input stream index : we select the first one with the right type */
1616 for(j=0;j<nb_istreams;j++) {
1619 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1620 ost->source_index = j;
1628 if(! opt_programid) {
1629 /* try again and reuse existing stream */
1630 for(j=0;j<nb_istreams;j++) {
1632 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1633 ost->source_index = j;
1639 int i= ost->file_index;
1640 dump_format(output_files[i], i, output_files[i]->filename, 1);
1641 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1642 ost->file_index, ost->index);
1647 ist = ist_table[ost->source_index];
1649 ost->sync_ist = (nb_stream_maps > 0) ?
1650 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1651 stream_maps[n-1].sync_stream_index] : ist;
1655 /* for each output stream, we compute the right encoding parameters */
1656 for(i=0;i<nb_ostreams;i++) {
1658 os = output_files[ost->file_index];
1659 ist = ist_table[ost->source_index];
1661 codec = ost->st->codec;
1662 icodec = ist->st->codec;
1664 if (!ost->st->language[0])
1665 av_strlcpy(ost->st->language, ist->st->language,
1666 sizeof(ost->st->language));
1668 ost->st->disposition = ist->st->disposition;
1670 if (ost->st->stream_copy) {
1671 /* if stream_copy is selected, no need to decode or encode */
1672 codec->codec_id = icodec->codec_id;
1673 codec->codec_type = icodec->codec_type;
1675 if(!codec->codec_tag){
1676 if( !os->oformat->codec_tag
1677 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1678 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1679 codec->codec_tag = icodec->codec_tag;
1682 codec->bit_rate = icodec->bit_rate;
1683 codec->extradata= icodec->extradata;
1684 codec->extradata_size= icodec->extradata_size;
1685 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1686 codec->time_base = icodec->time_base;
1688 codec->time_base = ist->st->time_base;
1689 switch(codec->codec_type) {
1690 case CODEC_TYPE_AUDIO:
1691 if(audio_volume != 256) {
1692 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1695 codec->sample_rate = icodec->sample_rate;
1696 codec->channels = icodec->channels;
1697 codec->frame_size = icodec->frame_size;
1698 codec->block_align= icodec->block_align;
1699 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1700 codec->block_align= 0;
1701 if(codec->codec_id == CODEC_ID_AC3)
1702 codec->block_align= 0;
1704 case CODEC_TYPE_VIDEO:
1706 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1709 codec->pix_fmt = icodec->pix_fmt;
1710 codec->width = icodec->width;
1711 codec->height = icodec->height;
1712 codec->has_b_frames = icodec->has_b_frames;
1714 case CODEC_TYPE_SUBTITLE:
1720 switch(codec->codec_type) {
1721 case CODEC_TYPE_AUDIO:
1722 if (av_fifo_init(&ost->fifo, 1024))
1724 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1725 icodec->request_channels = codec->channels;
1726 ist->decoding_needed = 1;
1727 ost->encoding_needed = 1;
1729 case CODEC_TYPE_VIDEO:
1730 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1731 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1732 ost->video_resample = ((codec->width != icodec->width -
1733 (frame_leftBand + frame_rightBand) +
1734 (frame_padleft + frame_padright)) ||
1735 (codec->height != icodec->height -
1736 (frame_topBand + frame_bottomBand) +
1737 (frame_padtop + frame_padbottom)) ||
1738 (codec->pix_fmt != icodec->pix_fmt));
1739 if (ost->video_crop) {
1740 ost->topBand = frame_topBand;
1741 ost->leftBand = frame_leftBand;
1743 if (ost->video_pad) {
1744 ost->padtop = frame_padtop;
1745 ost->padleft = frame_padleft;
1746 ost->padbottom = frame_padbottom;
1747 ost->padright = frame_padright;
1748 if (!ost->video_resample) {
1749 avcodec_get_frame_defaults(&ost->pict_tmp);
1750 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1751 codec->width, codec->height))
1755 if (ost->video_resample) {
1756 avcodec_get_frame_defaults(&ost->pict_tmp);
1757 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1758 codec->width, codec->height)) {
1759 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1762 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1763 ost->img_resample_ctx = sws_getContext(
1764 icodec->width - (frame_leftBand + frame_rightBand),
1765 icodec->height - (frame_topBand + frame_bottomBand),
1767 codec->width - (frame_padleft + frame_padright),
1768 codec->height - (frame_padtop + frame_padbottom),
1770 sws_flags, NULL, NULL, NULL);
1771 if (ost->img_resample_ctx == NULL) {
1772 fprintf(stderr, "Cannot get resampling context\n");
1775 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1777 ost->encoding_needed = 1;
1778 ist->decoding_needed = 1;
1780 case CODEC_TYPE_SUBTITLE:
1781 ost->encoding_needed = 1;
1782 ist->decoding_needed = 1;
1789 if (ost->encoding_needed &&
1790 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1791 char logfilename[1024];
1796 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1798 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1799 if (codec->flags & CODEC_FLAG_PASS1) {
1800 f = fopen(logfilename, "w");
1802 perror(logfilename);
1807 /* read the log file */
1808 f = fopen(logfilename, "r");
1810 perror(logfilename);
1813 fseek(f, 0, SEEK_END);
1815 fseek(f, 0, SEEK_SET);
1816 logbuffer = av_malloc(size + 1);
1818 fprintf(stderr, "Could not allocate log buffer\n");
1821 size = fread(logbuffer, 1, size, f);
1823 logbuffer[size] = '\0';
1824 codec->stats_in = logbuffer;
1828 if(codec->codec_type == CODEC_TYPE_VIDEO){
1829 int size= codec->width * codec->height;
1830 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1835 bit_buffer = av_malloc(bit_buffer_size);
1839 /* dump the file output parameters - cannot be done before in case
1841 for(i=0;i<nb_output_files;i++) {
1842 dump_format(output_files[i], i, output_files[i]->filename, 1);
1845 /* dump the stream mapping */
1847 fprintf(stderr, "Stream mapping:\n");
1848 for(i=0;i<nb_ostreams;i++) {
1850 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1851 ist_table[ost->source_index]->file_index,
1852 ist_table[ost->source_index]->index,
1855 if (ost->sync_ist != ist_table[ost->source_index])
1856 fprintf(stderr, " [sync #%d.%d]",
1857 ost->sync_ist->file_index,
1858 ost->sync_ist->index);
1859 fprintf(stderr, "\n");
1863 /* open each encoder */
1864 for(i=0;i<nb_ostreams;i++) {
1866 if (ost->encoding_needed) {
1868 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1870 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1871 ost->file_index, ost->index);
1874 if (avcodec_open(ost->st->codec, codec) < 0) {
1875 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1876 ost->file_index, ost->index);
1879 extra_size += ost->st->codec->extradata_size;
1883 /* open each decoder */
1884 for(i=0;i<nb_istreams;i++) {
1886 if (ist->decoding_needed) {
1888 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1890 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1891 ist->st->codec->codec_id, ist->file_index, ist->index);
1894 if (avcodec_open(ist->st->codec, codec) < 0) {
1895 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1896 ist->file_index, ist->index);
1899 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1900 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1905 for(i=0;i<nb_istreams;i++) {
1907 is = input_files[ist->file_index];
1909 ist->next_pts = AV_NOPTS_VALUE;
1913 /* set meta data information from input file if required */
1914 for (i=0;i<nb_meta_data_maps;i++) {
1915 AVFormatContext *out_file;
1916 AVFormatContext *in_file;
1918 int out_file_index = meta_data_maps[i].out_file;
1919 int in_file_index = meta_data_maps[i].in_file;
1920 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1921 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1922 ret = AVERROR(EINVAL);
1925 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1926 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1927 ret = AVERROR(EINVAL);
1931 out_file = output_files[out_file_index];
1932 in_file = input_files[in_file_index];
1934 strcpy(out_file->title, in_file->title);
1935 strcpy(out_file->author, in_file->author);
1936 strcpy(out_file->copyright, in_file->copyright);
1937 strcpy(out_file->comment, in_file->comment);
1938 strcpy(out_file->album, in_file->album);
1939 out_file->year = in_file->year;
1940 out_file->track = in_file->track;
1941 strcpy(out_file->genre, in_file->genre);
1944 /* open files and write file headers */
1945 for(i=0;i<nb_output_files;i++) {
1946 os = output_files[i];
1947 if (av_write_header(os) < 0) {
1948 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1949 ret = AVERROR(EINVAL);
1952 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1957 print_sdp(output_files, nb_output_files);
1960 if (!using_stdin && verbose >= 0) {
1961 fprintf(stderr, "Press [q] to stop encoding\n");
1962 url_set_interrupt_cb(decode_interrupt_cb);
1967 timer_start = av_gettime();
1969 for(; received_sigterm == 0;) {
1970 int file_index, ist_index;
1978 /* if 'q' pressed, exits */
1982 /* read_key() returns 0 on EOF */
1988 /* select the stream that we must read now by looking at the
1989 smallest output pts */
1991 for(i=0;i<nb_ostreams;i++) {
1994 os = output_files[ost->file_index];
1995 ist = ist_table[ost->source_index];
1996 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1997 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1999 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2000 ipts = (double)ist->pts;
2001 if (!file_table[ist->file_index].eof_reached){
2002 if(ipts < ipts_min) {
2004 if(input_sync ) file_index = ist->file_index;
2006 if(opts < opts_min) {
2008 if(!input_sync) file_index = ist->file_index;
2011 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2016 /* if none, if is finished */
2017 if (file_index < 0) {
2021 /* finish if recording time exhausted */
2022 if (opts_min >= (recording_time / 1000000.0))
2025 /* finish if limit size exhausted */
2026 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2029 /* read a frame from it and output it in the fifo */
2030 is = input_files[file_index];
2031 if (av_read_frame(is, &pkt) < 0) {
2032 file_table[file_index].eof_reached = 1;
2040 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2042 /* the following test is needed in case new streams appear
2043 dynamically in stream : we ignore them */
2044 if (pkt.stream_index >= file_table[file_index].nb_streams)
2045 goto discard_packet;
2046 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2047 ist = ist_table[ist_index];
2049 goto discard_packet;
2051 if (pkt.dts != AV_NOPTS_VALUE)
2052 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2053 if (pkt.pts != AV_NOPTS_VALUE)
2054 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2056 if(input_files_ts_scale[file_index][pkt.stream_index]){
2057 if(pkt.pts != AV_NOPTS_VALUE)
2058 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2059 if(pkt.dts != AV_NOPTS_VALUE)
2060 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2063 // 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);
2064 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2065 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2066 int64_t delta= pkt_dts - ist->next_pts;
2067 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2068 input_files_ts_offset[ist->file_index]-= delta;
2070 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2071 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2072 if(pkt.pts != AV_NOPTS_VALUE)
2073 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2077 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2078 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2081 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2082 ist->file_index, ist->index);
2084 av_free_packet(&pkt);
2089 av_free_packet(&pkt);
2091 /* dump report by using the output first video and audio streams */
2092 print_report(output_files, ost_table, nb_ostreams, 0);
2095 /* at the end of stream, we must flush the decoder buffers */
2096 for(i=0;i<nb_istreams;i++) {
2098 if (ist->decoding_needed) {
2099 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2105 /* write the trailer if needed and close file */
2106 for(i=0;i<nb_output_files;i++) {
2107 os = output_files[i];
2108 av_write_trailer(os);
2111 /* dump report by using the first video and audio streams */
2112 print_report(output_files, ost_table, nb_ostreams, 1);
2114 /* close each encoder */
2115 for(i=0;i<nb_ostreams;i++) {
2117 if (ost->encoding_needed) {
2118 av_freep(&ost->st->codec->stats_in);
2119 avcodec_close(ost->st->codec);
2123 /* close each decoder */
2124 for(i=0;i<nb_istreams;i++) {
2126 if (ist->decoding_needed) {
2127 avcodec_close(ist->st->codec);
2135 av_freep(&bit_buffer);
2136 av_free(file_table);
2139 for(i=0;i<nb_istreams;i++) {
2146 for(i=0;i<nb_ostreams;i++) {
2150 fclose(ost->logfile);
2151 ost->logfile = NULL;
2153 av_fifo_free(&ost->fifo); /* works even if fifo is not
2154 initialized but set to zero */
2155 av_free(ost->pict_tmp.data[0]);
2156 if (ost->video_resample)
2157 sws_freeContext(ost->img_resample_ctx);
2159 audio_resample_close(ost->resample);
2167 ret = AVERROR(ENOMEM);
2172 int file_read(const char *filename)
2175 unsigned char buffer[1024];
2178 if (url_open(&h, filename, O_RDONLY) < 0) {
2179 printf("could not open '%s'\n", filename);
2183 len = url_read(h, buffer, sizeof(buffer));
2186 for(i=0;i<len;i++) putchar(buffer[i]);
2193 static void opt_format(const char *arg)
2195 /* compatibility stuff for pgmyuv */
2196 if (!strcmp(arg, "pgmyuv")) {
2197 pgmyuv_compatibility_hack=1;
2198 // opt_image_format(arg);
2200 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2203 file_iformat = av_find_input_format(arg);
2204 file_oformat = guess_format(arg, NULL, NULL);
2205 if (!file_iformat && !file_oformat) {
2206 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2211 static int opt_default(const char *opt, const char *arg){
2213 const AVOption *o= NULL;
2214 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2216 for(type=0; type<CODEC_TYPE_NB; type++){
2217 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2219 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2222 o = av_set_string2(avformat_opts, opt, arg, 1);
2224 o = av_set_string2(sws_opts, opt, arg, 1);
2227 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2228 else if(opt[0] == 'v')
2229 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2230 else if(opt[0] == 's')
2231 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2236 // 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));
2238 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2239 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2240 opt_names[opt_name_count++]= o->name;
2242 if(avctx_opts[0]->debug || avformat_opts->debug)
2243 av_log_set_level(AV_LOG_DEBUG);
2247 static void opt_video_rc_override_string(const char *arg)
2249 video_rc_override_string = arg;
2252 static int opt_me_threshold(const char *opt, const char *arg)
2254 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2258 static int opt_verbose(const char *opt, const char *arg)
2260 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2261 av_log_set_level(verbose);
2265 static void opt_frame_rate(const char *arg)
2267 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2268 fprintf(stderr, "Incorrect frame rate\n");
2273 static int opt_bitrate(const char *opt, const char *arg)
2275 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2277 opt_default(opt, arg);
2279 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2280 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2285 static void opt_frame_crop_top(const char *arg)
2287 frame_topBand = atoi(arg);
2288 if (frame_topBand < 0) {
2289 fprintf(stderr, "Incorrect top crop size\n");
2292 if ((frame_topBand % 2) != 0) {
2293 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2296 if ((frame_topBand) >= frame_height){
2297 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2300 frame_height -= frame_topBand;
2303 static void opt_frame_crop_bottom(const char *arg)
2305 frame_bottomBand = atoi(arg);
2306 if (frame_bottomBand < 0) {
2307 fprintf(stderr, "Incorrect bottom crop size\n");
2310 if ((frame_bottomBand % 2) != 0) {
2311 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2314 if ((frame_bottomBand) >= frame_height){
2315 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2318 frame_height -= frame_bottomBand;
2321 static void opt_frame_crop_left(const char *arg)
2323 frame_leftBand = atoi(arg);
2324 if (frame_leftBand < 0) {
2325 fprintf(stderr, "Incorrect left crop size\n");
2328 if ((frame_leftBand % 2) != 0) {
2329 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2332 if ((frame_leftBand) >= frame_width){
2333 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2336 frame_width -= frame_leftBand;
2339 static void opt_frame_crop_right(const char *arg)
2341 frame_rightBand = atoi(arg);
2342 if (frame_rightBand < 0) {
2343 fprintf(stderr, "Incorrect right crop size\n");
2346 if ((frame_rightBand % 2) != 0) {
2347 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2350 if ((frame_rightBand) >= frame_width){
2351 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2354 frame_width -= frame_rightBand;
2357 static void opt_frame_size(const char *arg)
2359 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2360 fprintf(stderr, "Incorrect frame size\n");
2363 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2364 fprintf(stderr, "Frame size must be a multiple of 2\n");
2370 #define SCALEBITS 10
2371 #define ONE_HALF (1 << (SCALEBITS - 1))
2372 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2374 #define RGB_TO_Y(r, g, b) \
2375 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2376 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2378 #define RGB_TO_U(r1, g1, b1, shift)\
2379 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2380 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2382 #define RGB_TO_V(r1, g1, b1, shift)\
2383 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2384 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2386 static void opt_pad_color(const char *arg) {
2387 /* Input is expected to be six hex digits similar to
2388 how colors are expressed in html tags (but without the #) */
2389 int rgb = strtol(arg, NULL, 16);
2393 g = ((rgb >> 8) & 255);
2396 padcolor[0] = RGB_TO_Y(r,g,b);
2397 padcolor[1] = RGB_TO_U(r,g,b,0);
2398 padcolor[2] = RGB_TO_V(r,g,b,0);
2401 static void opt_frame_pad_top(const char *arg)
2403 frame_padtop = atoi(arg);
2404 if (frame_padtop < 0) {
2405 fprintf(stderr, "Incorrect top pad size\n");
2408 if ((frame_padtop % 2) != 0) {
2409 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2414 static void opt_frame_pad_bottom(const char *arg)
2416 frame_padbottom = atoi(arg);
2417 if (frame_padbottom < 0) {
2418 fprintf(stderr, "Incorrect bottom pad size\n");
2421 if ((frame_padbottom % 2) != 0) {
2422 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2428 static void opt_frame_pad_left(const char *arg)
2430 frame_padleft = atoi(arg);
2431 if (frame_padleft < 0) {
2432 fprintf(stderr, "Incorrect left pad size\n");
2435 if ((frame_padleft % 2) != 0) {
2436 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2442 static void opt_frame_pad_right(const char *arg)
2444 frame_padright = atoi(arg);
2445 if (frame_padright < 0) {
2446 fprintf(stderr, "Incorrect right pad size\n");
2449 if ((frame_padright % 2) != 0) {
2450 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2455 static void list_pix_fmts(void)
2458 char pix_fmt_str[128];
2459 for (i=-1; i < PIX_FMT_NB; i++) {
2460 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2461 fprintf(stdout, "%s\n", pix_fmt_str);
2465 static void opt_frame_pix_fmt(const char *arg)
2467 if (strcmp(arg, "list"))
2468 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2475 static void opt_frame_aspect_ratio(const char *arg)
2482 p = strchr(arg, ':');
2484 x = strtol(arg, &end, 10);
2486 y = strtol(end+1, &end, 10);
2488 ar = (double)x / (double)y;
2490 ar = strtod(arg, NULL);
2493 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2496 frame_aspect_ratio = ar;
2499 static void opt_qscale(const char *arg)
2501 video_qscale = atof(arg);
2502 if (video_qscale <= 0 ||
2503 video_qscale > 255) {
2504 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2509 static void opt_top_field_first(const char *arg)
2511 top_field_first= atoi(arg);
2514 static int opt_thread_count(const char *opt, const char *arg)
2516 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2517 #if !defined(HAVE_THREADS)
2519 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2524 static int opt_audio_rate(const char *opt, const char *arg)
2526 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2530 static int opt_audio_channels(const char *opt, const char *arg)
2532 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2536 static void opt_video_channel(const char *arg)
2538 video_channel = strtol(arg, NULL, 0);
2541 static void opt_video_standard(const char *arg)
2543 video_standard = av_strdup(arg);
2546 static void opt_codec(int *pstream_copy, char **pcodec_name,
2547 int codec_type, const char *arg)
2549 av_freep(pcodec_name);
2550 if (!strcmp(arg, "copy")) {
2553 *pcodec_name = av_strdup(arg);
2557 static void opt_audio_codec(const char *arg)
2559 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2562 static void opt_audio_tag(const char *arg)
2565 audio_codec_tag= strtol(arg, &tail, 0);
2568 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2571 static void opt_video_tag(const char *arg)
2574 video_codec_tag= strtol(arg, &tail, 0);
2577 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2581 static void add_frame_hooker(const char *arg)
2586 char *args = av_strdup(arg);
2590 argv[0] = strtok(args, " ");
2591 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2594 i = frame_hook_add(argc, argv);
2597 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2603 static void opt_video_codec(const char *arg)
2605 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2608 static void opt_subtitle_codec(const char *arg)
2610 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2613 static void opt_map(const char *arg)
2618 m = &stream_maps[nb_stream_maps++];
2620 m->file_index = strtol(arg, &p, 0);
2624 m->stream_index = strtol(p, &p, 0);
2627 m->sync_file_index = strtol(p, &p, 0);
2630 m->sync_stream_index = strtol(p, &p, 0);
2632 m->sync_file_index = m->file_index;
2633 m->sync_stream_index = m->stream_index;
2637 static void opt_map_meta_data(const char *arg)
2642 m = &meta_data_maps[nb_meta_data_maps++];
2644 m->out_file = strtol(arg, &p, 0);
2648 m->in_file = strtol(p, &p, 0);
2651 static void opt_input_ts_scale(const char *arg)
2653 unsigned int stream;
2657 stream = strtol(arg, &p, 0);
2660 scale= strtod(p, &p);
2662 if(stream >= MAX_STREAMS)
2665 input_files_ts_scale[nb_input_files][stream]= scale;
2668 static int opt_recording_time(const char *opt, const char *arg)
2670 recording_time = parse_time_or_die(opt, arg, 1);
2674 static int opt_start_time(const char *opt, const char *arg)
2676 start_time = parse_time_or_die(opt, arg, 1);
2680 static int opt_rec_timestamp(const char *opt, const char *arg)
2682 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2686 static int opt_input_ts_offset(const char *opt, const char *arg)
2688 input_ts_offset = parse_time_or_die(opt, arg, 1);
2692 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2694 const char *codec_string = encoder ? "encoder" : "decoder";
2698 return CODEC_ID_NONE;
2700 avcodec_find_encoder_by_name(name) :
2701 avcodec_find_decoder_by_name(name);
2703 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2706 if(codec->type != type) {
2707 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2713 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2716 for(i=0; i<opt_name_count; i++){
2718 const AVOption *opt;
2719 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2720 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2721 if(str && ((opt->flags & flags) == flags))
2722 av_set_string2(ctx, opt_names[i], str, 1);
2726 static void opt_input_file(const char *filename)
2728 AVFormatContext *ic;
2729 AVFormatParameters params, *ap = ¶ms;
2730 int err, i, ret, rfps, rfps_base;
2733 if (!strcmp(filename, "-"))
2736 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2737 !strcmp(filename, "/dev/stdin");
2739 /* get default parameters from command line */
2740 ic = av_alloc_format_context();
2742 memset(ap, 0, sizeof(*ap));
2743 ap->prealloced_context = 1;
2744 ap->sample_rate = audio_sample_rate;
2745 ap->channels = audio_channels;
2746 ap->time_base.den = frame_rate.num;
2747 ap->time_base.num = frame_rate.den;
2748 ap->width = frame_width + frame_padleft + frame_padright;
2749 ap->height = frame_height + frame_padtop + frame_padbottom;
2750 ap->pix_fmt = frame_pix_fmt;
2751 ap->channel = video_channel;
2752 ap->standard = video_standard;
2753 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2754 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2755 if(pgmyuv_compatibility_hack)
2756 ap->video_codec_id= CODEC_ID_PGMYUV;
2758 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2760 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2761 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2762 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2764 /* open the input file with generic libav function */
2765 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2767 print_error(filename, err);
2772 for(i=0; i<ic->nb_programs; i++)
2773 if(ic->programs[i]->id != opt_programid)
2774 ic->programs[i]->discard = AVDISCARD_ALL;
2777 ic->loop_input = loop_input;
2779 /* If not enough info to get the stream parameters, we decode the
2780 first frames to get it. (used in mpeg case for example) */
2781 ret = av_find_stream_info(ic);
2782 if (ret < 0 && verbose >= 0) {
2783 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2787 timestamp = start_time;
2788 /* add the stream start time */
2789 if (ic->start_time != AV_NOPTS_VALUE)
2790 timestamp += ic->start_time;
2792 /* if seeking requested, we execute it */
2793 if (start_time != 0) {
2794 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2796 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2797 filename, (double)timestamp / AV_TIME_BASE);
2799 /* reset seek info */
2803 /* update the current parameters so that they match the one of the input stream */
2804 for(i=0;i<ic->nb_streams;i++) {
2805 AVCodecContext *enc = ic->streams[i]->codec;
2807 avcodec_thread_init(enc, thread_count);
2808 enc->thread_count= thread_count;
2809 switch(enc->codec_type) {
2810 case CODEC_TYPE_AUDIO:
2811 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2812 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2813 audio_channels = enc->channels;
2814 audio_sample_rate = enc->sample_rate;
2816 ic->streams[i]->discard= AVDISCARD_ALL;
2818 case CODEC_TYPE_VIDEO:
2819 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2820 frame_height = enc->height;
2821 frame_width = enc->width;
2822 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2823 frame_pix_fmt = enc->pix_fmt;
2824 rfps = ic->streams[i]->r_frame_rate.num;
2825 rfps_base = ic->streams[i]->r_frame_rate.den;
2826 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2828 enc->debug |= FF_DEBUG_MV;
2830 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2833 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2834 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2836 (float)rfps / rfps_base, rfps, rfps_base);
2838 /* update the current frame rate to match the stream frame rate */
2839 frame_rate.num = rfps;
2840 frame_rate.den = rfps_base;
2842 enc->rate_emu = rate_emu;
2844 ic->streams[i]->discard= AVDISCARD_ALL;
2845 else if(video_discard)
2846 ic->streams[i]->discard= video_discard;
2848 case CODEC_TYPE_DATA:
2850 case CODEC_TYPE_SUBTITLE:
2851 if(subtitle_disable)
2852 ic->streams[i]->discard = AVDISCARD_ALL;
2854 case CODEC_TYPE_ATTACHMENT:
2855 case CODEC_TYPE_UNKNOWN:
2862 input_files[nb_input_files] = ic;
2863 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2864 /* dump the file content */
2866 dump_format(ic, nb_input_files, filename, 0);
2869 file_iformat = NULL;
2870 file_oformat = NULL;
2875 av_freep(&video_codec_name);
2876 av_freep(&audio_codec_name);
2877 av_freep(&subtitle_codec_name);
2880 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2881 int *has_subtitle_ptr)
2883 int has_video, has_audio, has_subtitle, i, j;
2884 AVFormatContext *ic;
2889 for(j=0;j<nb_input_files;j++) {
2890 ic = input_files[j];
2891 for(i=0;i<ic->nb_streams;i++) {
2892 AVCodecContext *enc = ic->streams[i]->codec;
2893 switch(enc->codec_type) {
2894 case CODEC_TYPE_AUDIO:
2897 case CODEC_TYPE_VIDEO:
2900 case CODEC_TYPE_SUBTITLE:
2903 case CODEC_TYPE_DATA:
2904 case CODEC_TYPE_ATTACHMENT:
2905 case CODEC_TYPE_UNKNOWN:
2912 *has_video_ptr = has_video;
2913 *has_audio_ptr = has_audio;
2914 *has_subtitle_ptr = has_subtitle;
2917 static void new_video_stream(AVFormatContext *oc)
2920 AVCodecContext *video_enc;
2923 st = av_new_stream(oc, oc->nb_streams);
2925 fprintf(stderr, "Could not alloc stream\n");
2928 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2929 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2930 video_bitstream_filters= NULL;
2933 avcodec_thread_init(st->codec, thread_count);
2935 video_enc = st->codec;
2938 video_enc->codec_tag= video_codec_tag;
2940 if( (video_global_header&1)
2941 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2942 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2943 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2945 if(video_global_header&2){
2946 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2947 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2950 if (video_stream_copy) {
2951 st->stream_copy = 1;
2952 video_enc->codec_type = CODEC_TYPE_VIDEO;
2957 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2959 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2960 if (video_codec_name)
2961 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2963 video_enc->codec_id = codec_id;
2964 codec = avcodec_find_encoder(codec_id);
2966 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
2968 video_enc->time_base.den = fps.num;
2969 video_enc->time_base.num = fps.den;
2970 if(codec && codec->supported_framerates){
2971 const AVRational *p= codec->supported_framerates;
2972 const AVRational *best=NULL;
2973 AVRational best_error= (AVRational){INT_MAX, 1};
2974 for(; p->den!=0; p++){
2975 AVRational error= av_sub_q(fps, *p);
2976 if(error.num <0) error.num *= -1;
2977 if(av_cmp_q(error, best_error) < 0){
2982 video_enc->time_base.den= best->num;
2983 video_enc->time_base.num= best->den;
2986 video_enc->width = frame_width + frame_padright + frame_padleft;
2987 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2988 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2989 video_enc->pix_fmt = frame_pix_fmt;
2991 if(codec && codec->pix_fmts){
2992 const enum PixelFormat *p= codec->pix_fmts;
2994 if(*p == video_enc->pix_fmt)
2998 video_enc->pix_fmt = codec->pix_fmts[0];
3002 video_enc->gop_size = 0;
3003 if (video_qscale || same_quality) {
3004 video_enc->flags |= CODEC_FLAG_QSCALE;
3005 video_enc->global_quality=
3006 st->quality = FF_QP2LAMBDA * video_qscale;
3010 video_enc->intra_matrix = intra_matrix;
3012 video_enc->inter_matrix = inter_matrix;
3014 video_enc->thread_count = thread_count;
3015 p= video_rc_override_string;
3018 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3020 fprintf(stderr, "error parsing rc_override\n");
3023 video_enc->rc_override=
3024 av_realloc(video_enc->rc_override,
3025 sizeof(RcOverride)*(i+1));
3026 video_enc->rc_override[i].start_frame= start;
3027 video_enc->rc_override[i].end_frame = end;
3029 video_enc->rc_override[i].qscale= q;
3030 video_enc->rc_override[i].quality_factor= 1.0;
3033 video_enc->rc_override[i].qscale= 0;
3034 video_enc->rc_override[i].quality_factor= -q/100.0;
3039 video_enc->rc_override_count=i;
3040 if (!video_enc->rc_initial_buffer_occupancy)
3041 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3042 video_enc->me_threshold= me_threshold;
3043 video_enc->intra_dc_precision= intra_dc_precision - 8;
3046 video_enc->flags|= CODEC_FLAG_PSNR;
3051 video_enc->flags |= CODEC_FLAG_PASS1;
3053 video_enc->flags |= CODEC_FLAG_PASS2;
3058 /* reset some key parameters */
3060 av_freep(&video_codec_name);
3061 video_stream_copy = 0;
3064 static void new_audio_stream(AVFormatContext *oc)
3067 AVCodecContext *audio_enc;
3070 st = av_new_stream(oc, oc->nb_streams);
3072 fprintf(stderr, "Could not alloc stream\n");
3075 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3077 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3078 audio_bitstream_filters= NULL;
3081 avcodec_thread_init(st->codec, thread_count);
3083 audio_enc = st->codec;
3084 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3087 audio_enc->codec_tag= audio_codec_tag;
3089 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3090 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3091 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3093 if (audio_stream_copy) {
3094 st->stream_copy = 1;
3095 audio_enc->channels = audio_channels;
3097 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3099 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3101 if (audio_codec_name)
3102 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3103 audio_enc->codec_id = codec_id;
3105 if (audio_qscale > QSCALE_NONE) {
3106 audio_enc->flags |= CODEC_FLAG_QSCALE;
3107 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3109 audio_enc->thread_count = thread_count;
3110 audio_enc->channels = audio_channels;
3112 audio_enc->sample_rate = audio_sample_rate;
3113 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3114 if (audio_language) {
3115 av_strlcpy(st->language, audio_language, sizeof(st->language));
3116 av_free(audio_language);
3117 audio_language = NULL;
3120 /* reset some key parameters */
3122 av_freep(&audio_codec_name);
3123 audio_stream_copy = 0;
3126 static void new_subtitle_stream(AVFormatContext *oc)
3129 AVCodecContext *subtitle_enc;
3131 st = av_new_stream(oc, oc->nb_streams);
3133 fprintf(stderr, "Could not alloc stream\n");
3136 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3138 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3139 subtitle_bitstream_filters= NULL;
3141 subtitle_enc = st->codec;
3142 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3143 if (subtitle_stream_copy) {
3144 st->stream_copy = 1;
3146 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3147 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3150 if (subtitle_language) {
3151 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3152 av_free(subtitle_language);
3153 subtitle_language = NULL;
3156 subtitle_disable = 0;
3157 av_freep(&subtitle_codec_name);
3158 subtitle_stream_copy = 0;
3161 static void opt_new_audio_stream(void)
3163 AVFormatContext *oc;
3164 if (nb_output_files <= 0) {
3165 fprintf(stderr, "At least one output file must be specified\n");
3168 oc = output_files[nb_output_files - 1];
3169 new_audio_stream(oc);
3172 static void opt_new_video_stream(void)
3174 AVFormatContext *oc;
3175 if (nb_output_files <= 0) {
3176 fprintf(stderr, "At least one output file must be specified\n");
3179 oc = output_files[nb_output_files - 1];
3180 new_video_stream(oc);
3183 static void opt_new_subtitle_stream(void)
3185 AVFormatContext *oc;
3186 if (nb_output_files <= 0) {
3187 fprintf(stderr, "At least one output file must be specified\n");
3190 oc = output_files[nb_output_files - 1];
3191 new_subtitle_stream(oc);
3194 static void opt_output_file(const char *filename)
3196 AVFormatContext *oc;
3197 int use_video, use_audio, use_subtitle;
3198 int input_has_video, input_has_audio, input_has_subtitle;
3199 AVFormatParameters params, *ap = ¶ms;
3201 if (!strcmp(filename, "-"))
3204 oc = av_alloc_format_context();
3206 if (!file_oformat) {
3207 file_oformat = guess_format(NULL, filename, NULL);
3208 if (!file_oformat) {
3209 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3215 oc->oformat = file_oformat;
3216 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3218 if (!strcmp(file_oformat->name, "ffm") &&
3219 av_strstart(filename, "http:", NULL)) {
3220 /* special case for files sent to ffserver: we get the stream
3221 parameters from ffserver */
3222 int err = read_ffserver_streams(oc, filename);
3224 print_error(filename, err);
3228 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3229 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3230 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3232 /* disable if no corresponding type found and at least one
3234 if (nb_input_files > 0) {
3235 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3236 &input_has_subtitle);
3237 if (!input_has_video)
3239 if (!input_has_audio)
3241 if (!input_has_subtitle)
3245 /* manual disable */
3246 if (audio_disable) {
3249 if (video_disable) {
3252 if (subtitle_disable) {
3257 new_video_stream(oc);
3261 new_audio_stream(oc);
3265 new_subtitle_stream(oc);
3268 oc->timestamp = rec_timestamp;
3271 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3273 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3275 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3277 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3279 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3281 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3284 output_files[nb_output_files++] = oc;
3286 /* check filename in case of an image number is expected */
3287 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3288 if (!av_filename_number_test(oc->filename)) {
3289 print_error(oc->filename, AVERROR_NUMEXPECTED);
3294 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3295 /* test if it already exists to avoid loosing precious files */
3296 if (!file_overwrite &&
3297 (strchr(filename, ':') == NULL ||
3298 filename[1] == ':' ||
3299 av_strstart(filename, "file:", NULL))) {
3300 if (url_exist(filename)) {
3304 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3307 if (toupper(c) != 'Y') {
3308 fprintf(stderr, "Not overwriting - exiting\n");
3313 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3320 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3321 fprintf(stderr, "Could not open '%s'\n", filename);
3326 memset(ap, 0, sizeof(*ap));
3327 if (av_set_parameters(oc, ap) < 0) {
3328 fprintf(stderr, "%s: Invalid encoding parameters\n",
3333 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3334 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3335 oc->loop_output = loop_output;
3337 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3339 /* reset some options */
3340 file_oformat = NULL;
3341 file_iformat = NULL;
3344 /* same option as mencoder */
3345 static void opt_pass(const char *pass_str)
3348 pass = atoi(pass_str);
3349 if (pass != 1 && pass != 2) {
3350 fprintf(stderr, "pass number can be only 1 or 2\n");
3356 static int64_t getutime(void)
3358 #ifdef HAVE_GETRUSAGE
3359 struct rusage rusage;
3361 getrusage(RUSAGE_SELF, &rusage);
3362 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3363 #elif defined(HAVE_GETPROCESSTIMES)
3365 FILETIME c, e, k, u;
3366 proc = GetCurrentProcess();
3367 GetProcessTimes(proc, &c, &e, &k, &u);
3368 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3370 return av_gettime();
3374 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3377 const char *p = str;
3384 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3391 static void opt_inter_matrix(const char *arg)
3393 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3394 parse_matrix_coeffs(inter_matrix, arg);
3397 static void opt_intra_matrix(const char *arg)
3399 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3400 parse_matrix_coeffs(intra_matrix, arg);
3404 * Trivial log callback.
3405 * Only suitable for show_help and similar since it lacks prefix handling.
3407 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3409 vfprintf(stdout, fmt, vl);
3412 static void show_help(void)
3414 av_log_set_callback(log_callback_help);
3415 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3416 "Hyper fast Audio and Video encoder\n");
3418 show_help_options(options, "Main options:\n",
3419 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3420 show_help_options(options, "\nAdvanced options:\n",
3421 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3423 show_help_options(options, "\nVideo options:\n",
3424 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3426 show_help_options(options, "\nAdvanced Video options:\n",
3427 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3428 OPT_VIDEO | OPT_EXPERT);
3429 show_help_options(options, "\nAudio options:\n",
3430 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3432 show_help_options(options, "\nAdvanced Audio options:\n",
3433 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3434 OPT_AUDIO | OPT_EXPERT);
3435 show_help_options(options, "\nSubtitle options:\n",
3436 OPT_SUBTITLE | OPT_GRAB,
3438 show_help_options(options, "\nAudio/Video grab options:\n",
3442 av_opt_show(avctx_opts[0], NULL);
3444 av_opt_show(avformat_opts, NULL);
3446 av_opt_show(sws_opts, NULL);
3449 static void opt_target(const char *arg)
3452 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3454 if(!strncmp(arg, "pal-", 4)) {
3457 } else if(!strncmp(arg, "ntsc-", 5)) {
3460 } else if(!strncmp(arg, "film-", 5)) {
3465 /* Calculate FR via float to avoid int overflow */
3466 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3469 } else if((fr == 29970) || (fr == 23976)) {
3472 /* Try to determine PAL/NTSC by peeking in the input files */
3473 if(nb_input_files) {
3475 for(j = 0; j < nb_input_files; j++) {
3476 for(i = 0; i < input_files[j]->nb_streams; i++) {
3477 AVCodecContext *c = input_files[j]->streams[i]->codec;
3478 if(c->codec_type != CODEC_TYPE_VIDEO)
3480 fr = c->time_base.den * 1000 / c->time_base.num;
3484 } else if((fr == 29970) || (fr == 23976)) {
3494 if(verbose && norm >= 0)
3495 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3499 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3500 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3501 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3505 if(!strcmp(arg, "vcd")) {
3507 opt_video_codec("mpeg1video");
3508 opt_audio_codec("mp2");
3511 opt_frame_size(norm ? "352x240" : "352x288");
3512 opt_frame_rate(frame_rates[norm]);
3513 opt_default("gop", norm ? "18" : "15");
3515 opt_default("b", "1150000");
3516 opt_default("maxrate", "1150000");
3517 opt_default("minrate", "1150000");
3518 opt_default("bufsize", "327680"); // 40*1024*8;
3520 opt_default("ab", "224000");
3521 audio_sample_rate = 44100;
3524 opt_default("packetsize", "2324");
3525 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3527 /* We have to offset the PTS, so that it is consistent with the SCR.
3528 SCR starts at 36000, but the first two packs contain only padding
3529 and the first pack from the other stream, respectively, may also have
3530 been written before.
3531 So the real data starts at SCR 36000+3*1200. */
3532 mux_preload= (36000+3*1200) / 90000.0; //0.44
3533 } else if(!strcmp(arg, "svcd")) {
3535 opt_video_codec("mpeg2video");
3536 opt_audio_codec("mp2");
3539 opt_frame_size(norm ? "480x480" : "480x576");
3540 opt_frame_rate(frame_rates[norm]);
3541 opt_default("gop", norm ? "18" : "15");
3543 opt_default("b", "2040000");
3544 opt_default("maxrate", "2516000");
3545 opt_default("minrate", "0"); //1145000;
3546 opt_default("bufsize", "1835008"); //224*1024*8;
3547 opt_default("flags", "+SCAN_OFFSET");
3550 opt_default("ab", "224000");
3551 audio_sample_rate = 44100;
3553 opt_default("packetsize", "2324");
3555 } else if(!strcmp(arg, "dvd")) {
3557 opt_video_codec("mpeg2video");
3558 opt_audio_codec("ac3");
3561 opt_frame_size(norm ? "720x480" : "720x576");
3562 opt_frame_rate(frame_rates[norm]);
3563 opt_default("gop", norm ? "18" : "15");
3565 opt_default("b", "6000000");
3566 opt_default("maxrate", "9000000");
3567 opt_default("minrate", "0"); //1500000;
3568 opt_default("bufsize", "1835008"); //224*1024*8;
3570 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3571 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3573 opt_default("ab", "448000");
3574 audio_sample_rate = 48000;
3576 } else if(!strncmp(arg, "dv", 2)) {
3580 opt_frame_size(norm ? "720x480" : "720x576");
3581 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3582 (norm ? "yuv411p" : "yuv420p"));
3583 opt_frame_rate(frame_rates[norm]);
3585 audio_sample_rate = 48000;
3589 fprintf(stderr, "Unknown target: %s\n", arg);
3594 static void opt_vstats_file (const char *arg)
3596 av_free (vstats_filename);
3597 vstats_filename=av_strdup (arg);
3600 static void opt_vstats (void)
3603 time_t today2 = time(NULL);
3604 struct tm *today = localtime(&today2);
3606 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3608 opt_vstats_file(filename);
3611 static int opt_bsf(const char *opt, const char *arg)
3613 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3614 AVBitStreamFilterContext **bsfp;
3617 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3621 bsfp= *opt == 'v' ? &video_bitstream_filters :
3622 *opt == 'a' ? &audio_bitstream_filters :
3623 &subtitle_bitstream_filters;
3625 bsfp= &(*bsfp)->next;
3632 static int opt_preset(const char *opt, const char *arg)
3635 char tmp[1000], tmp2[1000];
3637 const char *base[3]= { getenv("HOME"),
3642 for(i=!base[0]; i<3 && !f; i++){
3643 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3646 char *codec_name= *opt == 'v' ? video_codec_name :
3647 *opt == 'a' ? audio_codec_name :
3648 subtitle_codec_name;
3649 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3655 fprintf(stderr, "Preset file not found\n");
3660 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3662 fprintf(stderr, "Preset file invalid\n");
3665 if(!strcmp(tmp, "acodec")){
3666 opt_audio_codec(tmp2);
3667 }else if(!strcmp(tmp, "vcodec")){
3668 opt_video_codec(tmp2);
3669 }else if(!strcmp(tmp, "scodec")){
3670 opt_subtitle_codec(tmp2);
3672 opt_default(tmp, tmp2);
3680 static const OptionDef options[] = {
3682 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3683 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3684 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3685 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3686 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3687 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3688 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3689 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3690 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3691 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3692 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3693 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3694 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3695 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3696 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3697 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3698 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3699 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3700 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3701 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3702 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3703 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3704 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3705 "add timings for benchmarking" },
3706 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3707 "dump each input packet" },
3708 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3709 "when dumping packets, also dump the payload" },
3710 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3711 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3712 { "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)", "" },
3713 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3714 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3715 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3716 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3717 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3718 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3719 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3720 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3721 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3722 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3723 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3726 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3727 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3728 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3729 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3730 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3731 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3732 { "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" },
3733 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3734 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3735 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3736 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3737 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3738 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3739 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3740 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3741 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3742 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3743 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3744 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3745 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3746 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3747 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3748 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3749 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3750 "use same video quality as source (implies VBR)" },
3751 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3752 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3753 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3754 "deinterlace pictures" },
3755 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3756 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3757 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3759 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3761 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3762 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3763 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3764 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3765 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3766 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3767 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3770 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3771 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3772 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3773 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3774 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3775 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3776 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3777 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3778 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3779 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3780 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3782 /* subtitle options */
3783 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3784 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3785 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3786 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3789 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3790 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3791 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3794 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3795 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3797 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3798 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3799 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3801 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3802 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3803 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3805 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3809 int main(int argc, char **argv)
3814 avcodec_register_all();
3815 avdevice_register_all();
3818 if(isatty(STDIN_FILENO))
3819 url_set_interrupt_cb(decode_interrupt_cb);
3821 for(i=0; i<CODEC_TYPE_NB; i++){
3822 avctx_opts[i]= avcodec_alloc_context2(i);
3824 avformat_opts = av_alloc_format_context();
3825 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3834 parse_options(argc, argv, options, opt_output_file);
3836 /* file converter / grab */
3837 if (nb_output_files <= 0) {
3838 fprintf(stderr, "Must supply at least one output file\n");
3842 if (nb_input_files == 0) {
3843 fprintf(stderr, "Must supply at least one input file\n");
3848 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3849 stream_maps, nb_stream_maps);
3850 ti = getutime() - ti;
3852 printf("bench: utime=%0.3fs\n", ti / 1000000.0);