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 int nb_input_files = 0;
90 static AVFormatContext *output_files[MAX_FILES];
91 static int nb_output_files = 0;
93 static AVStreamMap stream_maps[MAX_FILES];
94 static int nb_stream_maps;
96 static AVMetaDataMap meta_data_maps[MAX_FILES];
97 static int nb_meta_data_maps;
99 static AVInputFormat *file_iformat;
100 static AVOutputFormat *file_oformat;
101 static int frame_width = 0;
102 static int frame_height = 0;
103 static float frame_aspect_ratio = 0;
104 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
105 static int frame_padtop = 0;
106 static int frame_padbottom = 0;
107 static int frame_padleft = 0;
108 static int frame_padright = 0;
109 static int padcolor[3] = {16,128,128}; /* default to black */
110 static int frame_topBand = 0;
111 static int frame_bottomBand = 0;
112 static int frame_leftBand = 0;
113 static int frame_rightBand = 0;
114 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
115 static AVRational frame_rate = (AVRational) {0,0};
116 static float video_qscale = 0;
117 static uint16_t *intra_matrix = NULL;
118 static uint16_t *inter_matrix = NULL;
119 #if 0 //experimental, (can be removed)
120 static float video_rc_qsquish=1.0;
121 static float video_rc_qmod_amp=0;
122 static int video_rc_qmod_freq=0;
124 static const char *video_rc_override_string=NULL;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static char *video_codec_name = NULL;
128 static int video_codec_tag = 0;
129 static int same_quality = 0;
130 static int do_deinterlace = 0;
131 static int strict = 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 = 0;
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]);
930 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
931 // enc->frame_number-1, enc->real_pict_num, ret,
933 /* if two pass, output log */
934 if (ost->logfile && enc->stats_out) {
935 fprintf(ost->logfile, "%s", enc->stats_out);
944 static double psnr(double d){
945 return -10.0*log(d)/log(10.0);
948 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
953 double ti1, bitrate, avg_bitrate;
955 /* this is executed just the first time do_video_stats is called */
957 vstats_file = fopen(vstats_filename, "w");
964 enc = ost->st->codec;
965 if (enc->codec_type == CODEC_TYPE_VIDEO) {
966 frame_number = ost->frame_number;
967 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
968 if (enc->flags&CODEC_FLAG_PSNR)
969 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
971 fprintf(vstats_file,"f_size= %6d ", frame_size);
972 /* compute pts value */
973 ti1 = ost->sync_opts * av_q2d(enc->time_base);
977 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
978 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
979 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
980 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
981 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
985 static void print_report(AVFormatContext **output_files,
986 AVOutputStream **ost_table, int nb_ostreams,
991 AVFormatContext *oc, *os;
994 int frame_number, vid, i;
995 double bitrate, ti1, pts;
996 static int64_t last_time = -1;
997 static int qp_histogram[52];
999 if (!is_last_report) {
1001 /* display the report every 0.5 seconds */
1002 cur_time = av_gettime();
1003 if (last_time == -1) {
1004 last_time = cur_time;
1007 if ((cur_time - last_time) < 500000)
1009 last_time = cur_time;
1013 oc = output_files[0];
1015 total_size = url_fsize(oc->pb);
1016 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1017 total_size= url_ftell(oc->pb);
1022 for(i=0;i<nb_ostreams;i++) {
1024 os = output_files[ost->file_index];
1025 enc = ost->st->codec;
1026 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1027 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1028 !ost->st->stream_copy ?
1029 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1031 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1032 float t = (av_gettime()-timer_start) / 1000000.0;
1034 frame_number = ost->frame_number;
1035 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1036 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1037 !ost->st->stream_copy ?
1038 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1040 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1043 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1044 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1047 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1049 if (enc->flags&CODEC_FLAG_PSNR){
1051 double error, error_sum=0;
1052 double scale, scale_sum=0;
1053 char type[3]= {'Y','U','V'};
1054 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1057 error= enc->error[j];
1058 scale= enc->width*enc->height*255.0*255.0*frame_number;
1060 error= enc->coded_frame->error[j];
1061 scale= enc->width*enc->height*255.0*255.0;
1066 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1068 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1072 /* compute min output value */
1073 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1074 if ((pts < ti1) && (pts > 0))
1080 if (verbose || is_last_report) {
1081 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1083 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1084 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1085 (double)total_size / 1024, ti1, bitrate);
1088 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1089 nb_frames_dup, nb_frames_drop);
1092 fprintf(stderr, "%s \r", buf);
1097 if (is_last_report && verbose >= 0){
1098 int64_t raw= audio_size + video_size + extra_size;
1099 fprintf(stderr, "\n");
1100 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1104 100.0*(total_size - raw)/raw
1109 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1110 static int output_packet(AVInputStream *ist, int ist_index,
1111 AVOutputStream **ost_table, int nb_ostreams,
1112 const AVPacket *pkt)
1114 AVFormatContext *os;
1115 AVOutputStream *ost;
1119 int data_size, got_picture;
1121 void *buffer_to_free;
1122 static unsigned int samples_size= 0;
1123 static short *samples= NULL;
1124 AVSubtitle subtitle, *subtitle_to_free;
1127 if(ist->next_pts == AV_NOPTS_VALUE)
1128 ist->next_pts= ist->pts;
1137 if(pkt->dts != AV_NOPTS_VALUE)
1138 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1143 //while we have more to decode or while the decoder did output something on EOF
1144 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1146 ist->pts= ist->next_pts;
1148 if(len && len != pkt->size && verbose>0)
1149 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1151 /* decode the packet if needed */
1152 data_buf = NULL; /* fail safe */
1154 subtitle_to_free = NULL;
1155 if (ist->decoding_needed) {
1156 switch(ist->st->codec->codec_type) {
1157 case CODEC_TYPE_AUDIO:{
1159 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1160 data_size= samples_size;
1161 /* XXX: could avoid copy if PCM 16 bits with same
1162 endianness as CPU */
1163 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1169 /* Some bug in mpeg audio decoder gives */
1170 /* data_size < 0, it seems they are overflows */
1171 if (data_size <= 0) {
1172 /* no audio frame */
1175 data_buf = (uint8_t *)samples;
1176 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1177 (ist->st->codec->sample_rate * ist->st->codec->channels);
1179 case CODEC_TYPE_VIDEO:
1180 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1181 /* XXX: allocate picture correctly */
1182 avcodec_get_frame_defaults(&picture);
1184 ret = avcodec_decode_video(ist->st->codec,
1185 &picture, &got_picture, ptr, len);
1186 ist->st->quality= picture.quality;
1190 /* no picture yet */
1191 goto discard_packet;
1193 if (ist->st->codec->time_base.num != 0) {
1194 ist->next_pts += ((int64_t)AV_TIME_BASE *
1195 ist->st->codec->time_base.num) /
1196 ist->st->codec->time_base.den;
1200 case CODEC_TYPE_SUBTITLE:
1201 ret = avcodec_decode_subtitle(ist->st->codec,
1202 &subtitle, &got_subtitle, ptr, len);
1205 if (!got_subtitle) {
1206 goto discard_packet;
1208 subtitle_to_free = &subtitle;
1215 switch(ist->st->codec->codec_type) {
1216 case CODEC_TYPE_AUDIO:
1217 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1218 ist->st->codec->sample_rate;
1220 case CODEC_TYPE_VIDEO:
1221 if (ist->st->codec->time_base.num != 0) {
1222 ist->next_pts += ((int64_t)AV_TIME_BASE *
1223 ist->st->codec->time_base.num) /
1224 ist->st->codec->time_base.den;
1234 buffer_to_free = NULL;
1235 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1236 pre_process_video_frame(ist, (AVPicture *)&picture,
1240 // preprocess audio (volume)
1241 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1242 if (audio_volume != 256) {
1245 for(i=0;i<(data_size / sizeof(short));i++) {
1246 int v = ((*volp) * audio_volume + 128) >> 8;
1247 if (v < -32768) v = -32768;
1248 if (v > 32767) v = 32767;
1254 /* frame rate emulation */
1255 if (ist->st->codec->rate_emu) {
1256 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1257 int64_t now = av_gettime() - ist->start;
1265 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1266 is the one of the next displayed one */
1267 /* XXX: add mpeg4 too ? */
1268 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1269 if (ist->st->codec->pict_type != B_TYPE) {
1271 tmp = ist->last_ip_pts;
1272 ist->last_ip_pts = ist->frac_pts.val;
1273 ist->frac_pts.val = tmp;
1277 /* if output time reached then transcode raw format,
1278 encode packets and output them */
1279 if (start_time == 0 || ist->pts >= start_time)
1280 for(i=0;i<nb_ostreams;i++) {
1284 if (ost->source_index == ist_index) {
1285 os = output_files[ost->file_index];
1288 printf("%d: got pts=%0.3f %0.3f\n", i,
1289 (double)pkt->pts / AV_TIME_BASE,
1290 ((double)ist->pts / AV_TIME_BASE) -
1291 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1293 /* set the input output pts pairs */
1294 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1296 if (ost->encoding_needed) {
1297 switch(ost->st->codec->codec_type) {
1298 case CODEC_TYPE_AUDIO:
1299 do_audio_out(os, ost, ist, data_buf, data_size);
1301 case CODEC_TYPE_VIDEO:
1302 do_video_out(os, ost, ist, &picture, &frame_size);
1303 video_size += 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 (recording_time > 0 && 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 // 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);
2057 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2058 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2059 int64_t delta= pkt_dts - ist->next_pts;
2060 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2061 input_files_ts_offset[ist->file_index]-= delta;
2063 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2064 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2065 if(pkt.pts != AV_NOPTS_VALUE)
2066 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2070 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2071 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2074 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2075 ist->file_index, ist->index);
2077 av_free_packet(&pkt);
2082 av_free_packet(&pkt);
2084 /* dump report by using the output first video and audio streams */
2085 print_report(output_files, ost_table, nb_ostreams, 0);
2088 /* at the end of stream, we must flush the decoder buffers */
2089 for(i=0;i<nb_istreams;i++) {
2091 if (ist->decoding_needed) {
2092 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2098 /* write the trailer if needed and close file */
2099 for(i=0;i<nb_output_files;i++) {
2100 os = output_files[i];
2101 av_write_trailer(os);
2104 /* dump report by using the first video and audio streams */
2105 print_report(output_files, ost_table, nb_ostreams, 1);
2107 /* close each encoder */
2108 for(i=0;i<nb_ostreams;i++) {
2110 if (ost->encoding_needed) {
2111 av_freep(&ost->st->codec->stats_in);
2112 avcodec_close(ost->st->codec);
2116 /* close each decoder */
2117 for(i=0;i<nb_istreams;i++) {
2119 if (ist->decoding_needed) {
2120 avcodec_close(ist->st->codec);
2128 av_freep(&bit_buffer);
2129 av_free(file_table);
2132 for(i=0;i<nb_istreams;i++) {
2139 for(i=0;i<nb_ostreams;i++) {
2143 fclose(ost->logfile);
2144 ost->logfile = NULL;
2146 av_fifo_free(&ost->fifo); /* works even if fifo is not
2147 initialized but set to zero */
2148 av_free(ost->pict_tmp.data[0]);
2149 if (ost->video_resample)
2150 sws_freeContext(ost->img_resample_ctx);
2152 audio_resample_close(ost->resample);
2160 ret = AVERROR(ENOMEM);
2165 int file_read(const char *filename)
2168 unsigned char buffer[1024];
2171 if (url_open(&h, filename, O_RDONLY) < 0) {
2172 printf("could not open '%s'\n", filename);
2176 len = url_read(h, buffer, sizeof(buffer));
2179 for(i=0;i<len;i++) putchar(buffer[i]);
2186 static void opt_format(const char *arg)
2188 /* compatibility stuff for pgmyuv */
2189 if (!strcmp(arg, "pgmyuv")) {
2190 pgmyuv_compatibility_hack=1;
2191 // opt_image_format(arg);
2193 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2196 file_iformat = av_find_input_format(arg);
2197 file_oformat = guess_format(arg, NULL, NULL);
2198 if (!file_iformat && !file_oformat) {
2199 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2204 static int opt_default(const char *opt, const char *arg){
2206 const AVOption *o= NULL;
2207 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2209 for(type=0; type<CODEC_TYPE_NB; type++){
2210 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2212 o = av_set_string2(avctx_opts[type], opt, arg, 1);
2215 o = av_set_string2(avformat_opts, opt, arg, 1);
2217 o = av_set_string2(sws_opts, opt, arg, 1);
2220 o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
2221 else if(opt[0] == 'v')
2222 o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
2223 else if(opt[0] == 's')
2224 o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
2229 // 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));
2231 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2232 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2233 opt_names[opt_name_count++]= o->name;
2235 if(avctx_opts[0]->debug || avformat_opts->debug)
2236 av_log_set_level(AV_LOG_DEBUG);
2240 static void opt_video_rc_override_string(const char *arg)
2242 video_rc_override_string = arg;
2245 static int opt_me_threshold(const char *opt, const char *arg)
2247 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2251 static int opt_verbose(const char *opt, const char *arg)
2253 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2254 av_log_set_level(verbose);
2258 static void opt_frame_rate(const char *arg)
2260 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2261 fprintf(stderr, "Incorrect frame rate\n");
2266 static int opt_bitrate(const char *opt, const char *arg)
2268 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2270 opt_default(opt, arg);
2272 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2273 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2278 static void opt_frame_crop_top(const char *arg)
2280 frame_topBand = atoi(arg);
2281 if (frame_topBand < 0) {
2282 fprintf(stderr, "Incorrect top crop size\n");
2285 if ((frame_topBand % 2) != 0) {
2286 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2289 if ((frame_topBand) >= frame_height){
2290 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2293 frame_height -= frame_topBand;
2296 static void opt_frame_crop_bottom(const char *arg)
2298 frame_bottomBand = atoi(arg);
2299 if (frame_bottomBand < 0) {
2300 fprintf(stderr, "Incorrect bottom crop size\n");
2303 if ((frame_bottomBand % 2) != 0) {
2304 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2307 if ((frame_bottomBand) >= frame_height){
2308 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2311 frame_height -= frame_bottomBand;
2314 static void opt_frame_crop_left(const char *arg)
2316 frame_leftBand = atoi(arg);
2317 if (frame_leftBand < 0) {
2318 fprintf(stderr, "Incorrect left crop size\n");
2321 if ((frame_leftBand % 2) != 0) {
2322 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2325 if ((frame_leftBand) >= frame_width){
2326 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2329 frame_width -= frame_leftBand;
2332 static void opt_frame_crop_right(const char *arg)
2334 frame_rightBand = atoi(arg);
2335 if (frame_rightBand < 0) {
2336 fprintf(stderr, "Incorrect right crop size\n");
2339 if ((frame_rightBand % 2) != 0) {
2340 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2343 if ((frame_rightBand) >= frame_width){
2344 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2347 frame_width -= frame_rightBand;
2350 static void opt_frame_size(const char *arg)
2352 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2353 fprintf(stderr, "Incorrect frame size\n");
2356 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2357 fprintf(stderr, "Frame size must be a multiple of 2\n");
2363 #define SCALEBITS 10
2364 #define ONE_HALF (1 << (SCALEBITS - 1))
2365 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2367 #define RGB_TO_Y(r, g, b) \
2368 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2369 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2371 #define RGB_TO_U(r1, g1, b1, shift)\
2372 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2373 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2375 #define RGB_TO_V(r1, g1, b1, shift)\
2376 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2377 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2379 static void opt_pad_color(const char *arg) {
2380 /* Input is expected to be six hex digits similar to
2381 how colors are expressed in html tags (but without the #) */
2382 int rgb = strtol(arg, NULL, 16);
2386 g = ((rgb >> 8) & 255);
2389 padcolor[0] = RGB_TO_Y(r,g,b);
2390 padcolor[1] = RGB_TO_U(r,g,b,0);
2391 padcolor[2] = RGB_TO_V(r,g,b,0);
2394 static void opt_frame_pad_top(const char *arg)
2396 frame_padtop = atoi(arg);
2397 if (frame_padtop < 0) {
2398 fprintf(stderr, "Incorrect top pad size\n");
2401 if ((frame_padtop % 2) != 0) {
2402 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2407 static void opt_frame_pad_bottom(const char *arg)
2409 frame_padbottom = atoi(arg);
2410 if (frame_padbottom < 0) {
2411 fprintf(stderr, "Incorrect bottom pad size\n");
2414 if ((frame_padbottom % 2) != 0) {
2415 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2421 static void opt_frame_pad_left(const char *arg)
2423 frame_padleft = atoi(arg);
2424 if (frame_padleft < 0) {
2425 fprintf(stderr, "Incorrect left pad size\n");
2428 if ((frame_padleft % 2) != 0) {
2429 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2435 static void opt_frame_pad_right(const char *arg)
2437 frame_padright = atoi(arg);
2438 if (frame_padright < 0) {
2439 fprintf(stderr, "Incorrect right pad size\n");
2442 if ((frame_padright % 2) != 0) {
2443 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2448 static void list_pix_fmts(void)
2451 char pix_fmt_str[128];
2452 for (i=-1; i < PIX_FMT_NB; i++) {
2453 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2454 fprintf(stdout, "%s\n", pix_fmt_str);
2458 static void opt_frame_pix_fmt(const char *arg)
2460 if (strcmp(arg, "list"))
2461 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2468 static void opt_frame_aspect_ratio(const char *arg)
2475 p = strchr(arg, ':');
2477 x = strtol(arg, &end, 10);
2479 y = strtol(end+1, &end, 10);
2481 ar = (double)x / (double)y;
2483 ar = strtod(arg, NULL);
2486 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2489 frame_aspect_ratio = ar;
2492 static void opt_qscale(const char *arg)
2494 video_qscale = atof(arg);
2495 if (video_qscale <= 0 ||
2496 video_qscale > 255) {
2497 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2502 static void opt_strict(const char *arg)
2507 static void opt_top_field_first(const char *arg)
2509 top_field_first= atoi(arg);
2512 static int opt_thread_count(const char *opt, const char *arg)
2514 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2515 #if !defined(HAVE_THREADS)
2517 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2522 static int opt_audio_rate(const char *opt, const char *arg)
2524 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2528 static int opt_audio_channels(const char *opt, const char *arg)
2530 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2534 static void opt_video_channel(const char *arg)
2536 video_channel = strtol(arg, NULL, 0);
2539 static void opt_video_standard(const char *arg)
2541 video_standard = av_strdup(arg);
2544 static void opt_codec(int *pstream_copy, char **pcodec_name,
2545 int codec_type, const char *arg)
2547 av_freep(pcodec_name);
2548 if (!strcmp(arg, "copy")) {
2551 *pcodec_name = av_strdup(arg);
2555 static void opt_audio_codec(const char *arg)
2557 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2560 static void opt_audio_tag(const char *arg)
2563 audio_codec_tag= strtol(arg, &tail, 0);
2566 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2569 static void opt_video_tag(const char *arg)
2572 video_codec_tag= strtol(arg, &tail, 0);
2575 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2579 static void add_frame_hooker(const char *arg)
2584 char *args = av_strdup(arg);
2588 argv[0] = strtok(args, " ");
2589 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2592 i = frame_hook_add(argc, argv);
2595 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2601 static void opt_video_codec(const char *arg)
2603 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2606 static void opt_subtitle_codec(const char *arg)
2608 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2611 static void opt_map(const char *arg)
2616 m = &stream_maps[nb_stream_maps++];
2618 m->file_index = strtol(arg, &p, 0);
2622 m->stream_index = strtol(p, &p, 0);
2625 m->sync_file_index = strtol(p, &p, 0);
2628 m->sync_stream_index = strtol(p, &p, 0);
2630 m->sync_file_index = m->file_index;
2631 m->sync_stream_index = m->stream_index;
2635 static void opt_map_meta_data(const char *arg)
2640 m = &meta_data_maps[nb_meta_data_maps++];
2642 m->out_file = strtol(arg, &p, 0);
2646 m->in_file = strtol(p, &p, 0);
2649 static int opt_recording_time(const char *opt, const char *arg)
2651 recording_time = parse_time_or_die(opt, arg, 1);
2655 static int opt_start_time(const char *opt, const char *arg)
2657 start_time = parse_time_or_die(opt, arg, 1);
2661 static int opt_rec_timestamp(const char *opt, const char *arg)
2663 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2667 static int opt_input_ts_offset(const char *opt, const char *arg)
2669 input_ts_offset = parse_time_or_die(opt, arg, 1);
2673 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2675 const char *codec_string = encoder ? "encoder" : "decoder";
2679 return CODEC_ID_NONE;
2681 avcodec_find_encoder_by_name(name) :
2682 avcodec_find_decoder_by_name(name);
2684 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2687 if(codec->type != type) {
2688 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2694 static void set_context_opts(void *ctx, void *opts_ctx, int flags)
2697 for(i=0; i<opt_name_count; i++){
2699 const AVOption *opt;
2700 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
2701 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2702 if(str && ((opt->flags & flags) == flags))
2703 av_set_string2(ctx, opt_names[i], str, 1);
2707 static void opt_input_file(const char *filename)
2709 AVFormatContext *ic;
2710 AVFormatParameters params, *ap = ¶ms;
2711 int err, i, ret, rfps, rfps_base;
2714 if (!strcmp(filename, "-"))
2717 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2718 !strcmp(filename, "/dev/stdin");
2720 /* get default parameters from command line */
2721 ic = av_alloc_format_context();
2723 memset(ap, 0, sizeof(*ap));
2724 ap->prealloced_context = 1;
2725 ap->sample_rate = audio_sample_rate;
2726 ap->channels = audio_channels;
2727 ap->time_base.den = frame_rate.num;
2728 ap->time_base.num = frame_rate.den;
2729 ap->width = frame_width + frame_padleft + frame_padright;
2730 ap->height = frame_height + frame_padtop + frame_padbottom;
2731 ap->pix_fmt = frame_pix_fmt;
2732 ap->channel = video_channel;
2733 ap->standard = video_standard;
2734 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2735 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2736 if(pgmyuv_compatibility_hack)
2737 ap->video_codec_id= CODEC_ID_PGMYUV;
2739 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2741 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2742 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2743 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2745 /* open the input file with generic libav function */
2746 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2748 print_error(filename, err);
2753 for(i=0; i<ic->nb_programs; i++)
2754 if(ic->programs[i]->id != opt_programid)
2755 ic->programs[i]->discard = AVDISCARD_ALL;
2758 ic->loop_input = loop_input;
2760 /* If not enough info to get the stream parameters, we decode the
2761 first frames to get it. (used in mpeg case for example) */
2762 ret = av_find_stream_info(ic);
2763 if (ret < 0 && verbose >= 0) {
2764 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2768 timestamp = start_time;
2769 /* add the stream start time */
2770 if (ic->start_time != AV_NOPTS_VALUE)
2771 timestamp += ic->start_time;
2773 /* if seeking requested, we execute it */
2774 if (start_time != 0) {
2775 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2777 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2778 filename, (double)timestamp / AV_TIME_BASE);
2780 /* reset seek info */
2784 /* update the current parameters so that they match the one of the input stream */
2785 for(i=0;i<ic->nb_streams;i++) {
2786 AVCodecContext *enc = ic->streams[i]->codec;
2788 avcodec_thread_init(enc, thread_count);
2789 enc->thread_count= thread_count;
2790 switch(enc->codec_type) {
2791 case CODEC_TYPE_AUDIO:
2792 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2793 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2794 audio_channels = enc->channels;
2795 audio_sample_rate = enc->sample_rate;
2797 ic->streams[i]->discard= AVDISCARD_ALL;
2799 case CODEC_TYPE_VIDEO:
2800 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2801 frame_height = enc->height;
2802 frame_width = enc->width;
2803 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2804 frame_pix_fmt = enc->pix_fmt;
2805 rfps = ic->streams[i]->r_frame_rate.num;
2806 rfps_base = ic->streams[i]->r_frame_rate.den;
2807 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2809 enc->debug |= FF_DEBUG_MV;
2811 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2814 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2815 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2817 (float)rfps / rfps_base, rfps, rfps_base);
2819 /* update the current frame rate to match the stream frame rate */
2820 frame_rate.num = rfps;
2821 frame_rate.den = rfps_base;
2823 enc->rate_emu = rate_emu;
2825 ic->streams[i]->discard= AVDISCARD_ALL;
2826 else if(video_discard)
2827 ic->streams[i]->discard= video_discard;
2829 case CODEC_TYPE_DATA:
2831 case CODEC_TYPE_SUBTITLE:
2832 if(subtitle_disable)
2833 ic->streams[i]->discard = AVDISCARD_ALL;
2835 case CODEC_TYPE_ATTACHMENT:
2836 case CODEC_TYPE_UNKNOWN:
2843 input_files[nb_input_files] = ic;
2844 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2845 /* dump the file content */
2847 dump_format(ic, nb_input_files, filename, 0);
2850 file_iformat = NULL;
2851 file_oformat = NULL;
2856 av_freep(&video_codec_name);
2857 av_freep(&audio_codec_name);
2858 av_freep(&subtitle_codec_name);
2861 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2862 int *has_subtitle_ptr)
2864 int has_video, has_audio, has_subtitle, i, j;
2865 AVFormatContext *ic;
2870 for(j=0;j<nb_input_files;j++) {
2871 ic = input_files[j];
2872 for(i=0;i<ic->nb_streams;i++) {
2873 AVCodecContext *enc = ic->streams[i]->codec;
2874 switch(enc->codec_type) {
2875 case CODEC_TYPE_AUDIO:
2878 case CODEC_TYPE_VIDEO:
2881 case CODEC_TYPE_SUBTITLE:
2884 case CODEC_TYPE_DATA:
2885 case CODEC_TYPE_ATTACHMENT:
2886 case CODEC_TYPE_UNKNOWN:
2893 *has_video_ptr = has_video;
2894 *has_audio_ptr = has_audio;
2895 *has_subtitle_ptr = has_subtitle;
2898 static void new_video_stream(AVFormatContext *oc)
2901 AVCodecContext *video_enc;
2904 st = av_new_stream(oc, oc->nb_streams);
2906 fprintf(stderr, "Could not alloc stream\n");
2909 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2910 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2911 video_bitstream_filters= NULL;
2914 avcodec_thread_init(st->codec, thread_count);
2916 video_enc = st->codec;
2919 video_enc->codec_tag= video_codec_tag;
2921 if( (video_global_header&1)
2922 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2923 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2924 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2926 if(video_global_header&2){
2927 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2928 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2931 if (video_stream_copy) {
2932 st->stream_copy = 1;
2933 video_enc->codec_type = CODEC_TYPE_VIDEO;
2938 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2940 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2941 if (video_codec_name)
2942 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2944 video_enc->codec_id = codec_id;
2945 codec = avcodec_find_encoder(codec_id);
2947 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
2949 video_enc->time_base.den = fps.num;
2950 video_enc->time_base.num = fps.den;
2951 if(codec && codec->supported_framerates){
2952 const AVRational *p= codec->supported_framerates;
2953 const AVRational *best=NULL;
2954 AVRational best_error= (AVRational){INT_MAX, 1};
2955 for(; p->den!=0; p++){
2956 AVRational error= av_sub_q(fps, *p);
2957 if(error.num <0) error.num *= -1;
2958 if(av_cmp_q(error, best_error) < 0){
2963 video_enc->time_base.den= best->num;
2964 video_enc->time_base.num= best->den;
2967 video_enc->width = frame_width + frame_padright + frame_padleft;
2968 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2969 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2970 video_enc->pix_fmt = frame_pix_fmt;
2972 if(codec && codec->pix_fmts){
2973 const enum PixelFormat *p= codec->pix_fmts;
2975 if(*p == video_enc->pix_fmt)
2979 video_enc->pix_fmt = codec->pix_fmts[0];
2983 video_enc->gop_size = 0;
2984 if (video_qscale || same_quality) {
2985 video_enc->flags |= CODEC_FLAG_QSCALE;
2986 video_enc->global_quality=
2987 st->quality = FF_QP2LAMBDA * video_qscale;
2991 video_enc->intra_matrix = intra_matrix;
2993 video_enc->inter_matrix = inter_matrix;
2995 video_enc->thread_count = thread_count;
2996 p= video_rc_override_string;
2999 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3001 fprintf(stderr, "error parsing rc_override\n");
3004 video_enc->rc_override=
3005 av_realloc(video_enc->rc_override,
3006 sizeof(RcOverride)*(i+1));
3007 video_enc->rc_override[i].start_frame= start;
3008 video_enc->rc_override[i].end_frame = end;
3010 video_enc->rc_override[i].qscale= q;
3011 video_enc->rc_override[i].quality_factor= 1.0;
3014 video_enc->rc_override[i].qscale= 0;
3015 video_enc->rc_override[i].quality_factor= -q/100.0;
3020 video_enc->rc_override_count=i;
3021 if (!video_enc->rc_initial_buffer_occupancy)
3022 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3023 video_enc->me_threshold= me_threshold;
3024 video_enc->intra_dc_precision= intra_dc_precision - 8;
3025 video_enc->strict_std_compliance = strict;
3028 video_enc->flags|= CODEC_FLAG_PSNR;
3033 video_enc->flags |= CODEC_FLAG_PASS1;
3035 video_enc->flags |= CODEC_FLAG_PASS2;
3040 /* reset some key parameters */
3042 av_freep(&video_codec_name);
3043 video_stream_copy = 0;
3046 static void new_audio_stream(AVFormatContext *oc)
3049 AVCodecContext *audio_enc;
3052 st = av_new_stream(oc, oc->nb_streams);
3054 fprintf(stderr, "Could not alloc stream\n");
3057 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3059 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3060 audio_bitstream_filters= NULL;
3063 avcodec_thread_init(st->codec, thread_count);
3065 audio_enc = st->codec;
3066 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3067 audio_enc->strict_std_compliance = strict;
3070 audio_enc->codec_tag= audio_codec_tag;
3072 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3073 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3074 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3076 if (audio_stream_copy) {
3077 st->stream_copy = 1;
3078 audio_enc->channels = audio_channels;
3080 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3082 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3084 if (audio_codec_name)
3085 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3086 audio_enc->codec_id = codec_id;
3088 if (audio_qscale > QSCALE_NONE) {
3089 audio_enc->flags |= CODEC_FLAG_QSCALE;
3090 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3092 audio_enc->thread_count = thread_count;
3093 audio_enc->channels = audio_channels;
3095 audio_enc->sample_rate = audio_sample_rate;
3096 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3097 if (audio_language) {
3098 av_strlcpy(st->language, audio_language, sizeof(st->language));
3099 av_free(audio_language);
3100 audio_language = NULL;
3103 /* reset some key parameters */
3105 av_freep(&audio_codec_name);
3106 audio_stream_copy = 0;
3109 static void new_subtitle_stream(AVFormatContext *oc)
3112 AVCodecContext *subtitle_enc;
3114 st = av_new_stream(oc, oc->nb_streams);
3116 fprintf(stderr, "Could not alloc stream\n");
3119 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3121 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3122 subtitle_bitstream_filters= NULL;
3124 subtitle_enc = st->codec;
3125 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3126 if (subtitle_stream_copy) {
3127 st->stream_copy = 1;
3129 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3130 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3133 if (subtitle_language) {
3134 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3135 av_free(subtitle_language);
3136 subtitle_language = NULL;
3139 subtitle_disable = 0;
3140 av_freep(&subtitle_codec_name);
3141 subtitle_stream_copy = 0;
3144 static void opt_new_audio_stream(void)
3146 AVFormatContext *oc;
3147 if (nb_output_files <= 0) {
3148 fprintf(stderr, "At least one output file must be specified\n");
3151 oc = output_files[nb_output_files - 1];
3152 new_audio_stream(oc);
3155 static void opt_new_video_stream(void)
3157 AVFormatContext *oc;
3158 if (nb_output_files <= 0) {
3159 fprintf(stderr, "At least one output file must be specified\n");
3162 oc = output_files[nb_output_files - 1];
3163 new_video_stream(oc);
3166 static void opt_new_subtitle_stream(void)
3168 AVFormatContext *oc;
3169 if (nb_output_files <= 0) {
3170 fprintf(stderr, "At least one output file must be specified\n");
3173 oc = output_files[nb_output_files - 1];
3174 new_subtitle_stream(oc);
3177 static void opt_output_file(const char *filename)
3179 AVFormatContext *oc;
3180 int use_video, use_audio, use_subtitle;
3181 int input_has_video, input_has_audio, input_has_subtitle;
3182 AVFormatParameters params, *ap = ¶ms;
3184 if (!strcmp(filename, "-"))
3187 oc = av_alloc_format_context();
3189 if (!file_oformat) {
3190 file_oformat = guess_format(NULL, filename, NULL);
3191 if (!file_oformat) {
3192 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3198 oc->oformat = file_oformat;
3199 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3201 if (!strcmp(file_oformat->name, "ffm") &&
3202 av_strstart(filename, "http:", NULL)) {
3203 /* special case for files sent to ffserver: we get the stream
3204 parameters from ffserver */
3205 int err = read_ffserver_streams(oc, filename);
3207 print_error(filename, err);
3211 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3212 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3213 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3215 /* disable if no corresponding type found and at least one
3217 if (nb_input_files > 0) {
3218 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3219 &input_has_subtitle);
3220 if (!input_has_video)
3222 if (!input_has_audio)
3224 if (!input_has_subtitle)
3228 /* manual disable */
3229 if (audio_disable) {
3232 if (video_disable) {
3235 if (subtitle_disable) {
3240 new_video_stream(oc);
3244 new_audio_stream(oc);
3248 new_subtitle_stream(oc);
3251 oc->timestamp = rec_timestamp;
3254 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3256 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3258 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3260 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3262 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3264 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3267 output_files[nb_output_files++] = oc;
3269 /* check filename in case of an image number is expected */
3270 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3271 if (!av_filename_number_test(oc->filename)) {
3272 print_error(oc->filename, AVERROR_NUMEXPECTED);
3277 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3278 /* test if it already exists to avoid loosing precious files */
3279 if (!file_overwrite &&
3280 (strchr(filename, ':') == NULL ||
3281 filename[1] == ':' ||
3282 av_strstart(filename, "file:", NULL))) {
3283 if (url_exist(filename)) {
3287 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3290 if (toupper(c) != 'Y') {
3291 fprintf(stderr, "Not overwriting - exiting\n");
3296 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3303 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3304 fprintf(stderr, "Could not open '%s'\n", filename);
3309 memset(ap, 0, sizeof(*ap));
3310 if (av_set_parameters(oc, ap) < 0) {
3311 fprintf(stderr, "%s: Invalid encoding parameters\n",
3316 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3317 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3318 oc->loop_output = loop_output;
3320 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3322 /* reset some options */
3323 file_oformat = NULL;
3324 file_iformat = NULL;
3327 /* same option as mencoder */
3328 static void opt_pass(const char *pass_str)
3331 pass = atoi(pass_str);
3332 if (pass != 1 && pass != 2) {
3333 fprintf(stderr, "pass number can be only 1 or 2\n");
3339 static int64_t getutime(void)
3341 #ifdef HAVE_GETRUSAGE
3342 struct rusage rusage;
3344 getrusage(RUSAGE_SELF, &rusage);
3345 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3346 #elif defined(HAVE_GETPROCESSTIMES)
3348 FILETIME c, e, k, u;
3349 proc = GetCurrentProcess();
3350 GetProcessTimes(proc, &c, &e, &k, &u);
3351 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3353 return av_gettime();
3357 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3360 const char *p = str;
3367 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3374 static void opt_inter_matrix(const char *arg)
3376 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3377 parse_matrix_coeffs(inter_matrix, arg);
3380 static void opt_intra_matrix(const char *arg)
3382 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3383 parse_matrix_coeffs(intra_matrix, arg);
3387 * Trivial log callback.
3388 * Only suitable for show_help and similar since it lacks prefix handling.
3390 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3392 vfprintf(stdout, fmt, vl);
3395 static void show_help(void)
3397 av_log_set_callback(log_callback_help);
3398 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3399 "Hyper fast Audio and Video encoder\n");
3401 show_help_options(options, "Main options:\n",
3402 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3403 show_help_options(options, "\nAdvanced options:\n",
3404 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3406 show_help_options(options, "\nVideo options:\n",
3407 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3409 show_help_options(options, "\nAdvanced Video options:\n",
3410 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3411 OPT_VIDEO | OPT_EXPERT);
3412 show_help_options(options, "\nAudio options:\n",
3413 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3415 show_help_options(options, "\nAdvanced Audio options:\n",
3416 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3417 OPT_AUDIO | OPT_EXPERT);
3418 show_help_options(options, "\nSubtitle options:\n",
3419 OPT_SUBTITLE | OPT_GRAB,
3421 show_help_options(options, "\nAudio/Video grab options:\n",
3425 av_opt_show(avctx_opts[0], NULL);
3427 av_opt_show(avformat_opts, NULL);
3429 av_opt_show(sws_opts, NULL);
3432 static void opt_target(const char *arg)
3435 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3437 if(!strncmp(arg, "pal-", 4)) {
3440 } else if(!strncmp(arg, "ntsc-", 5)) {
3443 } else if(!strncmp(arg, "film-", 5)) {
3448 /* Calculate FR via float to avoid int overflow */
3449 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3452 } else if((fr == 29970) || (fr == 23976)) {
3455 /* Try to determine PAL/NTSC by peeking in the input files */
3456 if(nb_input_files) {
3458 for(j = 0; j < nb_input_files; j++) {
3459 for(i = 0; i < input_files[j]->nb_streams; i++) {
3460 AVCodecContext *c = input_files[j]->streams[i]->codec;
3461 if(c->codec_type != CODEC_TYPE_VIDEO)
3463 fr = c->time_base.den * 1000 / c->time_base.num;
3467 } else if((fr == 29970) || (fr == 23976)) {
3477 if(verbose && norm >= 0)
3478 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3482 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3483 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3484 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3488 if(!strcmp(arg, "vcd")) {
3490 opt_video_codec("mpeg1video");
3491 opt_audio_codec("mp2");
3494 opt_frame_size(norm ? "352x240" : "352x288");
3495 opt_frame_rate(frame_rates[norm]);
3496 opt_default("gop", norm ? "18" : "15");
3498 opt_default("b", "1150000");
3499 opt_default("maxrate", "1150000");
3500 opt_default("minrate", "1150000");
3501 opt_default("bufsize", "327680"); // 40*1024*8;
3503 opt_default("ab", "224000");
3504 audio_sample_rate = 44100;
3507 opt_default("packetsize", "2324");
3508 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3510 /* We have to offset the PTS, so that it is consistent with the SCR.
3511 SCR starts at 36000, but the first two packs contain only padding
3512 and the first pack from the other stream, respectively, may also have
3513 been written before.
3514 So the real data starts at SCR 36000+3*1200. */
3515 mux_preload= (36000+3*1200) / 90000.0; //0.44
3516 } else if(!strcmp(arg, "svcd")) {
3518 opt_video_codec("mpeg2video");
3519 opt_audio_codec("mp2");
3522 opt_frame_size(norm ? "480x480" : "480x576");
3523 opt_frame_rate(frame_rates[norm]);
3524 opt_default("gop", norm ? "18" : "15");
3526 opt_default("b", "2040000");
3527 opt_default("maxrate", "2516000");
3528 opt_default("minrate", "0"); //1145000;
3529 opt_default("bufsize", "1835008"); //224*1024*8;
3530 opt_default("flags", "+SCAN_OFFSET");
3533 opt_default("ab", "224000");
3534 audio_sample_rate = 44100;
3536 opt_default("packetsize", "2324");
3538 } else if(!strcmp(arg, "dvd")) {
3540 opt_video_codec("mpeg2video");
3541 opt_audio_codec("ac3");
3544 opt_frame_size(norm ? "720x480" : "720x576");
3545 opt_frame_rate(frame_rates[norm]);
3546 opt_default("gop", norm ? "18" : "15");
3548 opt_default("b", "6000000");
3549 opt_default("maxrate", "9000000");
3550 opt_default("minrate", "0"); //1500000;
3551 opt_default("bufsize", "1835008"); //224*1024*8;
3553 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3554 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3556 opt_default("ab", "448000");
3557 audio_sample_rate = 48000;
3559 } else if(!strncmp(arg, "dv", 2)) {
3563 opt_frame_size(norm ? "720x480" : "720x576");
3564 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3565 (norm ? "yuv411p" : "yuv420p"));
3566 opt_frame_rate(frame_rates[norm]);
3568 audio_sample_rate = 48000;
3572 fprintf(stderr, "Unknown target: %s\n", arg);
3577 static void opt_vstats_file (const char *arg)
3579 av_free (vstats_filename);
3580 vstats_filename=av_strdup (arg);
3583 static void opt_vstats (void)
3586 time_t today2 = time(NULL);
3587 struct tm *today = localtime(&today2);
3589 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3591 opt_vstats_file(filename);
3594 static int opt_bsf(const char *opt, const char *arg)
3596 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3597 AVBitStreamFilterContext **bsfp;
3600 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3604 bsfp= *opt == 'v' ? &video_bitstream_filters :
3605 *opt == 'a' ? &audio_bitstream_filters :
3606 &subtitle_bitstream_filters;
3608 bsfp= &(*bsfp)->next;
3615 static int opt_preset(const char *opt, const char *arg)
3618 char tmp[1000], tmp2[1000];
3620 const char *base[3]= { getenv("HOME"),
3625 for(i=!base[0]; i<3 && !f; i++){
3626 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3629 char *codec_name= *opt == 'v' ? video_codec_name :
3630 *opt == 'a' ? audio_codec_name :
3631 subtitle_codec_name;
3632 snprintf(tmp, sizeof(tmp), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3638 fprintf(stderr, "Preset file not found\n");
3643 int e= fscanf(f, "%999[^=]=%999[^\n]\n", tmp, tmp2);
3645 fprintf(stderr, "Preset file invalid\n");
3648 if(!strcmp(tmp, "acodec")){
3649 opt_audio_codec(tmp2);
3650 }else if(!strcmp(tmp, "vcodec")){
3651 opt_video_codec(tmp2);
3652 }else if(!strcmp(tmp, "scodec")){
3653 opt_subtitle_codec(tmp2);
3655 opt_default(tmp, tmp2);
3663 static const OptionDef options[] = {
3665 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3666 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3667 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3668 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3669 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3670 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3671 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3672 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3673 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3674 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3675 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3676 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3677 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3678 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3679 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3680 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3681 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3682 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3683 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3684 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3685 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3686 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3687 "add timings for benchmarking" },
3688 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3689 "dump each input packet" },
3690 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3691 "when dumping packets, also dump the payload" },
3692 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3693 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3694 { "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)", "" },
3695 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3696 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3697 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3698 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3699 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3700 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3701 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3702 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3703 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3704 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3705 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3708 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3709 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3710 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3711 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3712 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3713 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3714 { "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" },
3715 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3716 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3717 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3718 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3719 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3720 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3721 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3722 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3723 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3724 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3725 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3726 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3727 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3728 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3729 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3730 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3731 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3732 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3733 "use same video quality as source (implies VBR)" },
3734 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3735 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3736 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3737 "deinterlace pictures" },
3738 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3739 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3740 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3742 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3744 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3745 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3746 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3747 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3748 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3749 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3750 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3753 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3754 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3755 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3756 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3757 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3758 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3759 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3760 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3761 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3762 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3763 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3765 /* subtitle options */
3766 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3767 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3768 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3769 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3772 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3773 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3774 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3777 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3778 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3780 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3781 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3782 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3784 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3785 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3786 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
3788 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3792 int main(int argc, char **argv)
3797 avcodec_register_all();
3798 avdevice_register_all();
3801 if(isatty(STDIN_FILENO))
3802 url_set_interrupt_cb(decode_interrupt_cb);
3804 for(i=0; i<CODEC_TYPE_NB; i++){
3805 avctx_opts[i]= avcodec_alloc_context2(i);
3807 avformat_opts = av_alloc_format_context();
3808 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3817 parse_options(argc, argv, options, opt_output_file);
3819 /* file converter / grab */
3820 if (nb_output_files <= 0) {
3821 fprintf(stderr, "Must supply at least one output file\n");
3825 if (nb_input_files == 0) {
3826 fprintf(stderr, "Must supply at least one input file\n");
3831 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3832 stream_maps, nb_stream_maps);
3833 ti = getutime() - ti;
3835 printf("bench: utime=%0.3fs\n", ti / 1000000.0);