3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
25 #include <ffmpeg-config.h>
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
42 #include "recorder_config.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
66 #ifdef CONFIG_FFMPEG_WITH_FRSH
77 extern frsh_vres_id_t last_rtp_vres;
78 extern frsh_contract_t last_rtp_contract;
81 const char program_name[] = "FFmpeg";
82 const int program_birth_year = 2000;
84 /* select an input stream for an output stream */
85 typedef struct AVStreamMap {
89 int sync_stream_index;
92 /** select an input file for an output file */
93 typedef struct AVMetaDataMap {
98 static const OptionDef options[];
104 static AVFormatContext *input_files[MAX_FILES];
105 static int64_t input_files_ts_offset[MAX_FILES];
106 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
107 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
108 static int nb_input_files = 0;
109 static int nb_icodecs;
111 static AVFormatContext *output_files[MAX_FILES];
112 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
113 static int nb_output_files = 0;
114 static int nb_ocodecs;
116 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
117 static int nb_stream_maps;
119 static AVMetaDataMap meta_data_maps[MAX_FILES];
120 static int nb_meta_data_maps;
122 static AVInputFormat *file_iformat;
123 static AVOutputFormat *file_oformat;
124 static int frame_width = 0;
125 static int frame_height = 0;
126 static float frame_aspect_ratio = 0;
127 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
128 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
129 static int frame_padtop = 0;
130 static int frame_padbottom = 0;
131 static int frame_padleft = 0;
132 static int frame_padright = 0;
133 static int padcolor[3] = {16,128,128}; /* default to black */
134 static int frame_topBand = 0;
135 static int frame_bottomBand = 0;
136 static int frame_leftBand = 0;
137 static int frame_rightBand = 0;
138 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
139 static AVRational frame_rate;
140 static float video_qscale = 0;
141 static uint16_t *intra_matrix = NULL;
142 static uint16_t *inter_matrix = NULL;
143 #if 0 //experimental, (can be removed)
144 static float video_rc_qsquish=1.0;
145 static float video_rc_qmod_amp=0;
146 static int video_rc_qmod_freq=0;
148 static const char *video_rc_override_string=NULL;
149 static int video_disable = 0;
150 static int video_discard = 0;
151 static char *video_codec_name = NULL;
152 static int video_codec_tag = 0;
153 static int same_quality = 0;
154 static int do_deinterlace = 0;
155 static int top_field_first = -1;
156 static int me_threshold = 0;
157 static int intra_dc_precision = 8;
158 static int loop_input = 0;
159 static int loop_output = AVFMT_NOOUTPUTLOOP;
160 static int qp_hist = 0;
162 static int intra_only = 0;
163 static int audio_sample_rate = 44100;
164 static int64_t channel_layout = 0;
165 #define QSCALE_NONE -99999
166 static float audio_qscale = QSCALE_NONE;
167 static int audio_disable = 0;
168 static int audio_channels = 1;
169 static char *audio_codec_name = NULL;
170 static int audio_codec_tag = 0;
171 static char *audio_language = NULL;
173 static int subtitle_disable = 0;
174 static char *subtitle_codec_name = NULL;
175 static char *subtitle_language = NULL;
176 static int subtitle_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t rec_timestamp = 0;
184 static int64_t input_ts_offset = 0;
185 static int file_overwrite = 0;
186 static int o_direct = 0;
187 static const char *contract_label = "recorder";
188 static int metadata_count;
189 static AVMetadataTag *metadata;
190 static int do_benchmark = 0;
191 static int do_hex_dump = 0;
192 static int do_pkt_dump = 0;
193 static int do_psnr = 0;
194 static int do_pass = 0;
195 static char *pass_logfilename_prefix = NULL;
196 static int audio_stream_copy = 0;
197 static int video_stream_copy = 0;
198 static int subtitle_stream_copy = 0;
199 static int video_sync_method= -1;
200 static int audio_sync_method= 0;
201 static float audio_drift_threshold= 0.1;
202 static int copy_ts= 0;
203 static int opt_shortest = 0;
204 static int video_global_header = 0;
205 static char *vstats_filename;
206 static FILE *vstats_file;
207 static int opt_programid = 0;
208 static int copy_initial_nonkeyframes = 0;
210 static int rate_emu = 0;
212 static int video_channel = 0;
213 static char *video_standard;
215 static int audio_volume = 256;
217 static int exit_on_error = 0;
218 static int using_stdin = 0;
219 static int verbose = 1;
220 static int thread_count= 1;
221 static int q_pressed = 0;
222 static int64_t video_size = 0;
223 static int64_t audio_size = 0;
224 static int64_t extra_size = 0;
225 static int nb_frames_dup = 0;
226 static int nb_frames_drop = 0;
227 static int input_sync;
228 static uint64_t limit_filesize = 0;
229 static int force_fps = 0;
231 static int pgmyuv_compatibility_hack=0;
232 static float dts_delta_threshold = 10;
234 static unsigned int sws_flags = SWS_BICUBIC;
236 static int64_t timer_start;
238 static uint8_t *audio_buf;
239 static uint8_t *audio_out;
240 static uint8_t *audio_out2;
242 static short *samples;
244 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
245 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
246 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
247 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
249 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
251 struct AVInputStream;
253 typedef struct AVOutputStream {
254 int file_index; /* file index */
255 int index; /* stream index in the output file */
256 int source_index; /* AVInputStream index */
257 AVStream *st; /* stream in the output file */
258 int encoding_needed; /* true if encoding needed for this stream */
260 /* input pts and corresponding output pts
262 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
263 struct AVInputStream *sync_ist; /* input stream to sync against */
264 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
267 AVFrame pict_tmp; /* temporary image for resampling */
268 struct SwsContext *img_resample_ctx; /* for image resampling */
272 int topBand; /* cropping area sizes */
276 int padtop; /* padding area sizes */
283 ReSampleContext *resample; /* for audio resampling */
285 AVAudioConvert *reformat_ctx;
286 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 typedef struct AVInputStream {
294 int discard; /* true if stream data should be discarded */
295 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
296 int64_t sample_index; /* current sample */
298 int64_t start; /* time when read started */
299 int64_t next_pts; /* synthetic pts for cases where pkt.pts
301 int64_t pts; /* current pts */
302 int is_start; /* is 1 at the start and after a discontinuity */
305 typedef struct AVInputFile {
306 int eof_reached; /* true if eof reached */
307 int ist_index; /* index of first stream in ist_table */
308 int buffer_size; /* current total buffer size */
309 int nb_streams; /* nb streams we are aware of */
314 /* init terminal so that we can grab keys */
315 static struct termios oldtty;
318 static void term_exit(void)
321 tcsetattr (0, TCSANOW, &oldtty);
325 static volatile sig_atomic_t received_sigterm = 0;
328 sigterm_handler(int sig)
330 received_sigterm = sig;
334 static void term_init(void)
342 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
343 |INLCR|IGNCR|ICRNL|IXON);
344 tty.c_oflag |= OPOST;
345 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
346 tty.c_cflag &= ~(CSIZE|PARENB);
351 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
356 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
358 register a function to be called at normal program termination
361 #if CONFIG_BEOS_NETSERVER
362 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
366 /* read a key without blocking */
367 static int read_key(void)
372 #if !CONFIG_BEOS_NETSERVER
380 n = select(1, &rfds, NULL, NULL, &tv);
396 static int decode_interrupt_cb(void)
398 return q_pressed || (q_pressed = read_key() == 'q');
401 static int av_exit(int ret)
406 for(i=0;i<nb_output_files;i++) {
407 /* maybe av_close_output_file ??? */
408 AVFormatContext *s = output_files[i];
410 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
412 for(j=0;j<s->nb_streams;j++) {
413 av_metadata_free(&s->streams[j]->metadata);
414 av_free(s->streams[j]->codec);
415 av_free(s->streams[j]);
417 for(j=0;j<s->nb_programs;j++) {
418 av_metadata_free(&s->programs[j]->metadata);
420 for(j=0;j<s->nb_chapters;j++) {
421 av_metadata_free(&s->chapters[j]->metadata);
423 av_metadata_free(&s->metadata);
426 for(i=0;i<nb_input_files;i++)
427 av_close_input_file(input_files[i]);
429 av_free(intra_matrix);
430 av_free(inter_matrix);
434 av_free(vstats_filename);
438 av_free(video_codec_name);
439 av_free(audio_codec_name);
440 av_free(subtitle_codec_name);
442 av_free(video_standard);
444 #if CONFIG_POWERPC_PERF
445 void powerpc_display_perf_report(void);
446 powerpc_display_perf_report();
447 #endif /* CONFIG_POWERPC_PERF */
449 for (i=0;i<CODEC_TYPE_NB;i++)
450 av_free(avcodec_opts[i]);
451 av_free(avformat_opts);
458 if (received_sigterm) {
460 "Received signal %d: terminating.\n",
461 (int) received_sigterm);
465 exit(ret); /* not all OS-es handle main() return value */
469 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
475 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
478 /* copy stream format */
479 s->nb_streams = ic->nb_streams;
480 for(i=0;i<ic->nb_streams;i++) {
483 // FIXME: a more elegant solution is needed
484 st = av_mallocz(sizeof(AVStream));
485 memcpy(st, ic->streams[i], sizeof(AVStream));
486 st->codec = avcodec_alloc_context();
487 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
490 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
492 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
495 if(!st->codec->thread_count)
496 st->codec->thread_count = 1;
497 if(st->codec->thread_count>1)
498 avcodec_thread_init(st->codec, st->codec->thread_count);
500 if(st->codec->flags & CODEC_FLAG_BITEXACT)
505 s->timestamp = av_gettime();
507 av_close_input_file(ic);
512 get_sync_ipts(const AVOutputStream *ost)
514 const AVInputStream *ist = ost->sync_ist;
515 return (double)(ist->pts - start_time)/AV_TIME_BASE;
518 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
522 AVPacket new_pkt= *pkt;
523 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
524 &new_pkt.data, &new_pkt.size,
525 pkt->data, pkt->size,
526 pkt->flags & PKT_FLAG_KEY);
529 new_pkt.destruct= av_destruct_packet;
531 fprintf(stderr, "%s failed for stream %d, codec %s",
532 bsfc->filter->name, pkt->stream_index,
533 avctx->codec ? avctx->codec->name : "copy");
543 ret= av_interleaved_write_frame(s, pkt);
545 print_error("av_interleaved_write_frame()", ret);
550 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
552 static void do_audio_out(AVFormatContext *s,
555 unsigned char *buf, int size)
558 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
560 int size_out, frame_bytes, ret;
561 AVCodecContext *enc= ost->st->codec;
562 AVCodecContext *dec= ist->st->codec;
563 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
564 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
566 /* SC: dynamic allocation of buffers */
568 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
570 audio_out = av_malloc(audio_out_size);
571 if (!audio_buf || !audio_out)
572 return; /* Should signal an error ! */
574 if (enc->channels != dec->channels)
575 ost->audio_resample = 1;
577 if (ost->audio_resample && !ost->resample) {
578 if (dec->sample_fmt != SAMPLE_FMT_S16)
579 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
580 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
581 enc->sample_rate, dec->sample_rate,
582 enc->sample_fmt, dec->sample_fmt,
584 if (!ost->resample) {
585 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
586 dec->channels, dec->sample_rate,
587 enc->channels, enc->sample_rate);
592 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
593 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
594 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
596 audio_out2 = av_malloc(audio_out_size);
599 if (ost->reformat_ctx)
600 av_audio_convert_free(ost->reformat_ctx);
601 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
602 dec->sample_fmt, 1, NULL, 0);
603 if (!ost->reformat_ctx) {
604 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
605 avcodec_get_sample_fmt_name(dec->sample_fmt),
606 avcodec_get_sample_fmt_name(enc->sample_fmt));
609 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
612 if(audio_sync_method){
613 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
614 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
615 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
616 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
618 //FIXME resample delay
619 if(fabs(delta) > 50){
620 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
622 byte_delta= FFMAX(byte_delta, -size);
626 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
631 static uint8_t *input_tmp= NULL;
632 input_tmp= av_realloc(input_tmp, byte_delta + size);
634 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
637 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
639 memset(input_tmp, 0, byte_delta);
640 memcpy(input_tmp + byte_delta, buf, size);
644 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
646 }else if(audio_sync_method>1){
647 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
648 assert(ost->audio_resample);
650 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
651 // 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));
652 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
656 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
657 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
659 if (ost->audio_resample) {
661 size_out = audio_resample(ost->resample,
662 (short *)buftmp, (short *)buf,
663 size / (ist->st->codec->channels * isize));
664 size_out = size_out * enc->channels * osize;
670 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
671 const void *ibuf[6]= {buftmp};
672 void *obuf[6]= {audio_out2};
673 int istride[6]= {isize};
674 int ostride[6]= {osize};
675 int len= size_out/istride[0];
676 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
677 printf("av_audio_convert() failed\n");
683 size_out = len*osize;
686 /* now encode as many frames as possible */
687 if (enc->frame_size > 1) {
688 /* output resampled raw samples */
689 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
690 fprintf(stderr, "av_fifo_realloc2() failed\n");
693 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
695 frame_bytes = enc->frame_size * osize * enc->channels;
697 while (av_fifo_size(ost->fifo) >= frame_bytes) {
699 av_init_packet(&pkt);
701 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
703 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
705 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
708 fprintf(stderr, "Audio encoding failed\n");
712 pkt.stream_index= ost->index;
715 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
716 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
717 pkt.flags |= PKT_FLAG_KEY;
718 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
720 ost->sync_opts += enc->frame_size;
724 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
725 av_init_packet(&pkt);
727 ost->sync_opts += size_out / (osize * enc->channels);
729 /* output a pcm frame */
730 /* determine the size of the coded buffer */
733 size_out *= coded_bps;
735 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
736 ret = avcodec_encode_audio(enc, audio_out, size_out,
739 fprintf(stderr, "Audio encoding failed\n");
743 pkt.stream_index= ost->index;
746 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
747 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
748 pkt.flags |= PKT_FLAG_KEY;
749 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
753 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
757 AVPicture picture_tmp;
760 dec = ist->st->codec;
762 /* deinterlace : must be done before any resize */
763 if (do_deinterlace) {
766 /* create temporary picture */
767 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
768 buf = av_malloc(size);
772 picture2 = &picture_tmp;
773 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
776 if(avpicture_deinterlace(picture2, picture,
777 dec->pix_fmt, dec->width, dec->height) < 0) {
778 /* if error, do not deinterlace */
779 fprintf(stderr, "Deinterlacing failed\n");
785 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
791 if (picture != picture2)
792 *picture = *picture2;
796 /* we begin to correct av delay at this threshold */
797 #define AV_DELAY_MAX 0.100
799 static void do_subtitle_out(AVFormatContext *s,
805 static uint8_t *subtitle_out = NULL;
806 int subtitle_out_max_size = 65536;
807 int subtitle_out_size, nb, i;
811 if (pts == AV_NOPTS_VALUE) {
812 fprintf(stderr, "Subtitle packets must have a pts\n");
818 enc = ost->st->codec;
821 subtitle_out = av_malloc(subtitle_out_max_size);
824 /* Note: DVB subtitle need one packet to draw them and one other
825 packet to clear them */
826 /* XXX: signal it in the codec context ? */
827 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
832 for(i = 0; i < nb; i++) {
833 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
834 subtitle_out_max_size, sub);
836 av_init_packet(&pkt);
837 pkt.stream_index = ost->index;
838 pkt.data = subtitle_out;
839 pkt.size = subtitle_out_size;
840 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
841 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
842 /* XXX: the pts correction is handled here. Maybe handling
843 it in the codec would be better */
845 pkt.pts += 90 * sub->start_display_time;
847 pkt.pts += 90 * sub->end_display_time;
849 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
853 static int bit_buffer_size= 1024*256;
854 static uint8_t *bit_buffer= NULL;
856 static void do_video_out(AVFormatContext *s,
862 int nb_frames, i, ret;
863 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
864 AVFrame picture_crop_temp, picture_pad_temp;
865 AVCodecContext *enc, *dec;
867 avcodec_get_frame_defaults(&picture_crop_temp);
868 avcodec_get_frame_defaults(&picture_pad_temp);
870 enc = ost->st->codec;
871 dec = ist->st->codec;
873 /* by default, we output a single frame */
878 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
880 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
881 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
884 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
888 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
889 }else if (vdelta > 1.1)
890 nb_frames = lrintf(vdelta);
891 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
895 fprintf(stderr, "*** drop!\n");
896 }else if (nb_frames > 1) {
897 nb_frames_dup += nb_frames;
899 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
902 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
904 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
908 if (ost->video_crop) {
909 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
910 fprintf(stderr, "error cropping picture\n");
915 formatted_picture = &picture_crop_temp;
917 formatted_picture = in_picture;
920 final_picture = formatted_picture;
921 padding_src = formatted_picture;
922 resampling_dst = &ost->pict_tmp;
923 if (ost->video_pad) {
924 final_picture = &ost->pict_tmp;
925 if (ost->video_resample) {
926 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
927 fprintf(stderr, "error padding picture\n");
932 resampling_dst = &picture_pad_temp;
936 if (ost->video_resample) {
938 final_picture = &ost->pict_tmp;
939 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
940 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
943 if (ost->video_pad) {
944 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
945 enc->height, enc->width, enc->pix_fmt,
946 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
949 /* duplicates frame if needed */
950 for(i=0;i<nb_frames;i++) {
952 av_init_packet(&pkt);
953 pkt.stream_index= ost->index;
955 if (s->oformat->flags & AVFMT_RAWPICTURE) {
956 /* raw pictures are written as AVPicture structure to
957 avoid any copies. We support temorarily the older
959 AVFrame* old_frame = enc->coded_frame;
960 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
961 pkt.data= (uint8_t *)final_picture;
962 pkt.size= sizeof(AVPicture);
963 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
964 pkt.flags |= PKT_FLAG_KEY;
966 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
967 enc->coded_frame = old_frame;
971 big_picture= *final_picture;
972 /* better than nothing: use input picture interlaced
974 big_picture.interlaced_frame = in_picture->interlaced_frame;
975 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
976 if(top_field_first == -1)
977 big_picture.top_field_first = in_picture->top_field_first;
979 big_picture.top_field_first = top_field_first;
982 /* handles sameq here. This is not correct because it may
983 not be a global option */
985 big_picture.quality = ist->st->quality;
987 big_picture.quality = ost->st->quality;
989 big_picture.pict_type = 0;
990 // big_picture.pts = AV_NOPTS_VALUE;
991 big_picture.pts= ost->sync_opts;
992 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
993 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
994 ret = avcodec_encode_video(enc,
995 bit_buffer, bit_buffer_size,
998 fprintf(stderr, "Video encoding failed\n");
1001 //enc->frame_number = enc->real_pict_num;
1003 pkt.data= bit_buffer;
1005 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1006 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1007 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1008 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1009 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1011 if(enc->coded_frame->key_frame)
1012 pkt.flags |= PKT_FLAG_KEY;
1013 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1016 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1017 // enc->frame_number-1, enc->real_pict_num, ret,
1019 /* if two pass, output log */
1020 if (ost->logfile && enc->stats_out) {
1021 fprintf(ost->logfile, "%s", enc->stats_out);
1026 ost->frame_number++;
1030 static double psnr(double d){
1031 return -10.0*log(d)/log(10.0);
1034 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1037 AVCodecContext *enc;
1039 double ti1, bitrate, avg_bitrate;
1041 /* this is executed just the first time do_video_stats is called */
1043 vstats_file = fopen(vstats_filename, "w");
1050 enc = ost->st->codec;
1051 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1052 frame_number = ost->frame_number;
1053 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1054 if (enc->flags&CODEC_FLAG_PSNR)
1055 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1057 fprintf(vstats_file,"f_size= %6d ", frame_size);
1058 /* compute pts value */
1059 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1063 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1064 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1065 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1066 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1067 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1071 static void print_report(AVFormatContext **output_files,
1072 AVOutputStream **ost_table, int nb_ostreams,
1076 AVOutputStream *ost;
1077 AVFormatContext *oc;
1079 AVCodecContext *enc;
1080 int frame_number, vid, i;
1081 double bitrate, ti1, pts;
1082 static int64_t last_time = -1;
1083 static int qp_histogram[52];
1085 if (!is_last_report) {
1087 /* display the report every 0.5 seconds */
1088 cur_time = av_gettime();
1089 if (last_time == -1) {
1090 last_time = cur_time;
1093 if ((cur_time - last_time) < 500000)
1095 last_time = cur_time;
1099 oc = output_files[0];
1101 total_size = url_fsize(oc->pb);
1102 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1103 total_size= url_ftell(oc->pb);
1108 for(i=0;i<nb_ostreams;i++) {
1110 enc = ost->st->codec;
1111 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1113 !ost->st->stream_copy ?
1114 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1116 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1117 float t = (av_gettime()-timer_start) / 1000000.0;
1119 frame_number = ost->frame_number;
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1121 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1122 !ost->st->stream_copy ?
1123 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1128 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1129 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1134 if (enc->flags&CODEC_FLAG_PSNR){
1136 double error, error_sum=0;
1137 double scale, scale_sum=0;
1138 char type[3]= {'Y','U','V'};
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1142 error= enc->error[j];
1143 scale= enc->width*enc->height*255.0*255.0*frame_number;
1145 error= enc->coded_frame->error[j];
1146 scale= enc->width*enc->height*255.0*255.0;
1151 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1153 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1157 /* compute min output value */
1158 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1159 if ((pts < ti1) && (pts > 0))
1165 if (verbose || is_last_report) {
1166 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1168 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1169 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1170 (double)total_size / 1024, ti1, bitrate);
1173 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1174 nb_frames_dup, nb_frames_drop);
1177 fprintf(stderr, "%s \r", buf);
1182 if (is_last_report && verbose >= 0){
1183 int64_t raw= audio_size + video_size + extra_size;
1184 fprintf(stderr, "\n");
1185 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1189 100.0*(total_size - raw)/raw
1194 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1195 static int output_packet(AVInputStream *ist, int ist_index,
1196 AVOutputStream **ost_table, int nb_ostreams,
1197 const AVPacket *pkt)
1199 AVFormatContext *os;
1200 AVOutputStream *ost;
1203 int data_size, got_picture;
1205 void *buffer_to_free;
1206 static unsigned int samples_size= 0;
1207 AVSubtitle subtitle, *subtitle_to_free;
1211 if(ist->next_pts == AV_NOPTS_VALUE)
1212 ist->next_pts= ist->pts;
1216 av_init_packet(&avpkt);
1224 if(pkt->dts != AV_NOPTS_VALUE)
1225 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1227 //while we have more to decode or while the decoder did output something on EOF
1228 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1230 ist->pts= ist->next_pts;
1232 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1233 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1235 /* decode the packet if needed */
1236 data_buf = NULL; /* fail safe */
1238 subtitle_to_free = NULL;
1239 if (ist->decoding_needed) {
1240 switch(ist->st->codec->codec_type) {
1241 case CODEC_TYPE_AUDIO:{
1242 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1243 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1245 samples= av_malloc(samples_size);
1247 data_size= samples_size;
1248 /* XXX: could avoid copy if PCM 16 bits with same
1249 endianness as CPU */
1250 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1256 /* Some bug in mpeg audio decoder gives */
1257 /* data_size < 0, it seems they are overflows */
1258 if (data_size <= 0) {
1259 /* no audio frame */
1262 data_buf = (uint8_t *)samples;
1263 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1264 (ist->st->codec->sample_rate * ist->st->codec->channels);
1266 case CODEC_TYPE_VIDEO:
1267 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1268 /* XXX: allocate picture correctly */
1269 avcodec_get_frame_defaults(&picture);
1270 ret = avcodec_decode_video2(ist->st->codec,
1271 &picture, &got_picture, &avpkt);
1272 if (picture.key_frame)
1274 ist->st->quality= picture.quality;
1278 /* no picture yet */
1279 goto discard_packet;
1281 if (ist->st->codec->time_base.num != 0) {
1282 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1283 ist->next_pts += ((int64_t)AV_TIME_BASE *
1284 ist->st->codec->time_base.num * ticks) /
1285 ist->st->codec->time_base.den;
1289 case CODEC_TYPE_SUBTITLE:
1290 ret = avcodec_decode_subtitle2(ist->st->codec,
1291 &subtitle, &got_subtitle, &avpkt);
1294 if (!got_subtitle) {
1295 goto discard_packet;
1297 subtitle_to_free = &subtitle;
1304 switch(ist->st->codec->codec_type) {
1305 case CODEC_TYPE_AUDIO:
1306 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1307 ist->st->codec->sample_rate;
1309 case CODEC_TYPE_VIDEO:
1310 if (ist->st->codec->time_base.num != 0) {
1311 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1312 ist->next_pts += ((int64_t)AV_TIME_BASE *
1313 ist->st->codec->time_base.num * ticks) /
1314 ist->st->codec->time_base.den;
1318 data_buf = avpkt.data;
1319 data_size = avpkt.size;
1324 buffer_to_free = NULL;
1325 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1326 pre_process_video_frame(ist, (AVPicture *)&picture,
1330 // preprocess audio (volume)
1331 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1332 if (audio_volume != 256) {
1335 for(i=0;i<(data_size / sizeof(short));i++) {
1336 int v = ((*volp) * audio_volume + 128) >> 8;
1337 if (v < -32768) v = -32768;
1338 if (v > 32767) v = 32767;
1344 /* frame rate emulation */
1346 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1347 int64_t now = av_gettime() - ist->start;
1352 /* if output time reached then transcode raw format,
1353 encode packets and output them */
1354 if (start_time == 0 || ist->pts >= start_time)
1355 for(i=0;i<nb_ostreams;i++) {
1359 if (ost->source_index == ist_index) {
1360 os = output_files[ost->file_index];
1363 printf("%d: got pts=%0.3f %0.3f\n", i,
1364 (double)pkt->pts / AV_TIME_BASE,
1365 ((double)ist->pts / AV_TIME_BASE) -
1366 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1368 /* set the input output pts pairs */
1369 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1371 if (ost->encoding_needed) {
1372 switch(ost->st->codec->codec_type) {
1373 case CODEC_TYPE_AUDIO:
1374 do_audio_out(os, ost, ist, data_buf, data_size);
1376 case CODEC_TYPE_VIDEO:
1377 do_video_out(os, ost, ist, &picture, &frame_size);
1378 if (vstats_filename && frame_size)
1379 do_video_stats(os, ost, frame_size);
1381 case CODEC_TYPE_SUBTITLE:
1382 do_subtitle_out(os, ost, ist, &subtitle,
1389 AVFrame avframe; //FIXME/XXX remove this
1391 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1393 av_init_packet(&opkt);
1395 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1398 /* no reencoding needed : output the packet directly */
1399 /* force the input stream PTS */
1401 avcodec_get_frame_defaults(&avframe);
1402 ost->st->codec->coded_frame= &avframe;
1403 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1405 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1406 audio_size += data_size;
1407 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1408 video_size += data_size;
1412 opkt.stream_index= ost->index;
1413 if(pkt->pts != AV_NOPTS_VALUE)
1414 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1416 opkt.pts= AV_NOPTS_VALUE;
1418 if (pkt->dts == AV_NOPTS_VALUE)
1419 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1421 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1422 opkt.dts -= ost_tb_start_time;
1424 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1425 opkt.flags= pkt->flags;
1427 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1428 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1429 opkt.destruct= av_destruct_packet;
1431 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1432 ost->st->codec->frame_number++;
1433 ost->frame_number++;
1434 av_free_packet(&opkt);
1438 av_free(buffer_to_free);
1439 /* XXX: allocate the subtitles in the codec ? */
1440 if (subtitle_to_free) {
1441 if (subtitle_to_free->rects != NULL) {
1442 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1443 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1444 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1445 av_freep(&subtitle_to_free->rects[i]);
1447 av_freep(&subtitle_to_free->rects);
1449 subtitle_to_free->num_rects = 0;
1450 subtitle_to_free = NULL;
1457 for(i=0;i<nb_ostreams;i++) {
1459 if (ost->source_index == ist_index) {
1460 AVCodecContext *enc= ost->st->codec;
1461 os = output_files[ost->file_index];
1463 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1465 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1468 if (ost->encoding_needed) {
1472 av_init_packet(&pkt);
1473 pkt.stream_index= ost->index;
1475 switch(ost->st->codec->codec_type) {
1476 case CODEC_TYPE_AUDIO:
1477 fifo_bytes = av_fifo_size(ost->fifo);
1479 /* encode any samples remaining in fifo */
1480 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1481 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1482 int fs_tmp = enc->frame_size;
1483 enc->frame_size = fifo_bytes / (osize * enc->channels);
1484 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1485 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1486 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1487 ost->st->time_base.num, enc->sample_rate);
1488 enc->frame_size = fs_tmp;
1491 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1494 fprintf(stderr, "Audio encoding failed\n");
1498 pkt.flags |= PKT_FLAG_KEY;
1500 case CODEC_TYPE_VIDEO:
1501 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1503 fprintf(stderr, "Video encoding failed\n");
1507 if(enc->coded_frame && enc->coded_frame->key_frame)
1508 pkt.flags |= PKT_FLAG_KEY;
1509 if (ost->logfile && enc->stats_out) {
1510 fprintf(ost->logfile, "%s", enc->stats_out);
1519 pkt.data= bit_buffer;
1521 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1522 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1523 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1535 static void print_sdp(AVFormatContext **avc, int n)
1539 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1540 printf("SDP:\n%s\n", sdp);
1544 static int stream_index_from_inputs(AVFormatContext **input_files,
1546 AVInputFile *file_table,
1547 AVInputStream **ist_table,
1548 enum CodecType type,
1552 for(z=0; z<nb_input_files; z++) {
1553 AVFormatContext *ic = input_files[z];
1554 for(p=0; p<ic->nb_programs; p++) {
1555 AVProgram *program = ic->programs[p];
1556 if(program->id != programid)
1558 for(q=0; q<program->nb_stream_indexes; q++) {
1559 int sidx = program->stream_index[q];
1560 int ris = file_table[z].ist_index + sidx;
1561 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1571 timespec_subtract (struct timespec *result,
1575 /* Perform the carry for the later subtraction by updating Y. */
1576 if (x->tv_nsec < y->tv_nsec) {
1577 int num_sec = (y->tv_nsec - x->tv_nsec) / 1000000000 + 1;
1578 y->tv_nsec -= 1000000000 * num_sec;
1579 y->tv_sec += num_sec;
1581 if (x->tv_nsec - y->tv_nsec > 1000000000) {
1582 int num_sec = (x->tv_nsec - y->tv_nsec) / 1000000000;
1583 y->tv_nsec += 1000000000 * num_sec;
1584 y->tv_sec -= num_sec;
1587 /* Compute the time remaining to wait.
1588 `tv_nsec' is certainly positive. */
1589 result->tv_sec = x->tv_sec - y->tv_sec;
1590 result->tv_nsec = x->tv_nsec - y->tv_nsec;
1592 /* Return 1 if result is negative. */
1593 return x->tv_sec < y->tv_sec;
1596 #ifdef CONFIG_FFMPEG_WITH_FRSH
1597 frsh_vres_id_t disk_vres;
1598 frsh_vres_id_t cpu_vres;
1599 frsh_contract_t cpu_contract;
1600 frsh_contract_t disk_contract;
1606 static struct timespec start = {0,0};
1607 struct timespec end, d;
1608 static int f = -1; /* number interframe intevals elapsed */
1610 static double ifi_avg=0, ifi_var=0;
1612 clock_gettime(CLOCK_MONOTONIC, &end);
1613 timespec_subtract(&d, &end, &start);
1615 goto out; /* First run */
1616 ifi = (double)d.tv_sec + 1e-9*d.tv_nsec;
1617 #define SQ(x) ((x)*(x))
1618 ifi_var = ifi_var*(f-1)/f + (double)(f-1)/SQ(f)*SQ(ifi-ifi_avg);
1619 ifi_avg = ifi_avg*(f-1)/f + (double)ifi/f;
1620 printf("%5d: interframe interval = 1/%5.2lf s avg=1/%.2f stddev=1/%3.2f\n",
1621 f, 1/ifi, 1/ifi_avg, 1/sqrt(ifi_var));
1623 #ifdef CONFIG_FFMPEG_WITH_FRSH
1624 if (renegotiate == f) {
1625 frsh_contract_renegotiate_sync(&cpu_contract, cpu_vres);
1626 if (last_rtp_contract && last_rtp_vres) {
1627 frsh_rel_time_t budget;
1628 frsh_rel_time_t period;
1629 frsh_workload_t workload;
1630 frsh_contract_type_t contract_type;
1632 frsh_contract_get_basic_params(&last_rtp_contract,
1633 &budget, &period, &workload, &contract_type);
1634 frsh_network_budget_to_bytes(FRSH_NETPF_FWP, &budget, &bytes);
1635 frsh_network_bytes_to_budget(FRSH_NETPF_FWP, 100*bytes, &budget);
1637 frsh_contract_set_basic_params(&last_rtp_contract,
1638 &budget, &period, workload, contract_type);
1639 frsh_contract_renegotiate_sync(&last_rtp_contract, last_rtp_vres);
1648 * The following code is the main loop of the file converter
1650 static int av_encode(AVFormatContext **output_files,
1651 int nb_output_files,
1652 AVFormatContext **input_files,
1654 AVStreamMap *stream_maps, int nb_stream_maps)
1656 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1657 AVFormatContext *is, *os;
1658 AVCodecContext *codec, *icodec;
1659 AVOutputStream *ost, **ost_table = NULL;
1660 AVInputStream *ist, **ist_table = NULL;
1661 AVInputFile *file_table;
1665 uint8_t no_packet[MAX_FILES]={0};
1666 int no_packet_count=0;
1668 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1672 /* input stream init */
1674 for(i=0;i<nb_input_files;i++) {
1675 is = input_files[i];
1676 file_table[i].ist_index = j;
1677 file_table[i].nb_streams = is->nb_streams;
1678 j += is->nb_streams;
1682 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1686 for(i=0;i<nb_istreams;i++) {
1687 ist = av_mallocz(sizeof(AVInputStream));
1693 for(i=0;i<nb_input_files;i++) {
1694 is = input_files[i];
1695 for(k=0;k<is->nb_streams;k++) {
1696 ist = ist_table[j++];
1697 ist->st = is->streams[k];
1698 ist->file_index = i;
1700 ist->discard = 1; /* the stream is discarded by default
1704 ist->start = av_gettime();
1709 /* output stream init */
1711 for(i=0;i<nb_output_files;i++) {
1712 os = output_files[i];
1713 if (!os->nb_streams) {
1714 dump_format(output_files[i], i, output_files[i]->filename, 1);
1715 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1718 nb_ostreams += os->nb_streams;
1720 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1721 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1725 /* Sanity check the mapping args -- do the input files & streams exist? */
1726 for(i=0;i<nb_stream_maps;i++) {
1727 int fi = stream_maps[i].file_index;
1728 int si = stream_maps[i].stream_index;
1730 if (fi < 0 || fi > nb_input_files - 1 ||
1731 si < 0 || si > file_table[fi].nb_streams - 1) {
1732 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1735 fi = stream_maps[i].sync_file_index;
1736 si = stream_maps[i].sync_stream_index;
1737 if (fi < 0 || fi > nb_input_files - 1 ||
1738 si < 0 || si > file_table[fi].nb_streams - 1) {
1739 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1744 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1747 for(i=0;i<nb_ostreams;i++) {
1748 ost = av_mallocz(sizeof(AVOutputStream));
1755 for(k=0;k<nb_output_files;k++) {
1756 os = output_files[k];
1757 for(i=0;i<os->nb_streams;i++,n++) {
1760 ost->file_index = k;
1762 ost->st = os->streams[i];
1763 if (nb_stream_maps > 0) {
1764 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1765 stream_maps[n].stream_index;
1767 /* Sanity check that the stream types match */
1768 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1769 int i= ost->file_index;
1770 dump_format(output_files[i], i, output_files[i]->filename, 1);
1771 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1772 stream_maps[n].file_index, stream_maps[n].stream_index,
1773 ost->file_index, ost->index);
1780 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1782 ost->source_index = j;
1786 /* get corresponding input stream index : we select the first one with the right type */
1788 for(j=0;j<nb_istreams;j++) {
1791 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1792 ost->source_index = j;
1800 if(! opt_programid) {
1801 /* try again and reuse existing stream */
1802 for(j=0;j<nb_istreams;j++) {
1804 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1805 ost->source_index = j;
1811 int i= ost->file_index;
1812 dump_format(output_files[i], i, output_files[i]->filename, 1);
1813 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1814 ost->file_index, ost->index);
1819 ist = ist_table[ost->source_index];
1821 ost->sync_ist = (nb_stream_maps > 0) ?
1822 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1823 stream_maps[n].sync_stream_index] : ist;
1827 /* for each output stream, we compute the right encoding parameters */
1828 for(i=0;i<nb_ostreams;i++) {
1829 AVMetadataTag *lang;
1831 os = output_files[ost->file_index];
1832 ist = ist_table[ost->source_index];
1834 codec = ost->st->codec;
1835 icodec = ist->st->codec;
1837 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1838 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1839 av_metadata_set(&ost->st->metadata, "language", lang->value);
1841 ost->st->disposition = ist->st->disposition;
1842 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1843 codec->chroma_sample_location = icodec->chroma_sample_location;
1845 if (ost->st->stream_copy) {
1846 /* if stream_copy is selected, no need to decode or encode */
1847 codec->codec_id = icodec->codec_id;
1848 codec->codec_type = icodec->codec_type;
1850 if(!codec->codec_tag){
1851 if( !os->oformat->codec_tag
1852 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1853 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1854 codec->codec_tag = icodec->codec_tag;
1857 codec->bit_rate = icodec->bit_rate;
1858 codec->extradata= icodec->extradata;
1859 codec->extradata_size= icodec->extradata_size;
1860 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1861 codec->time_base = icodec->time_base;
1862 codec->time_base.num *= icodec->ticks_per_frame;
1864 codec->time_base = ist->st->time_base;
1865 switch(codec->codec_type) {
1866 case CODEC_TYPE_AUDIO:
1867 if(audio_volume != 256) {
1868 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1871 codec->channel_layout = icodec->channel_layout;
1872 codec->sample_rate = icodec->sample_rate;
1873 codec->channels = icodec->channels;
1874 codec->frame_size = icodec->frame_size;
1875 codec->block_align= icodec->block_align;
1876 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1877 codec->block_align= 0;
1878 if(codec->codec_id == CODEC_ID_AC3)
1879 codec->block_align= 0;
1881 case CODEC_TYPE_VIDEO:
1882 codec->pix_fmt = icodec->pix_fmt;
1883 codec->width = icodec->width;
1884 codec->height = icodec->height;
1885 codec->has_b_frames = icodec->has_b_frames;
1887 case CODEC_TYPE_SUBTITLE:
1888 codec->width = icodec->width;
1889 codec->height = icodec->height;
1895 switch(codec->codec_type) {
1896 case CODEC_TYPE_AUDIO:
1897 ost->fifo= av_fifo_alloc(1024);
1900 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1901 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1902 icodec->request_channels = codec->channels;
1903 ist->decoding_needed = 1;
1904 ost->encoding_needed = 1;
1906 case CODEC_TYPE_VIDEO:
1907 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1908 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1909 ost->video_resample = ((codec->width != icodec->width -
1910 (frame_leftBand + frame_rightBand) +
1911 (frame_padleft + frame_padright)) ||
1912 (codec->height != icodec->height -
1913 (frame_topBand + frame_bottomBand) +
1914 (frame_padtop + frame_padbottom)) ||
1915 (codec->pix_fmt != icodec->pix_fmt));
1916 if (ost->video_crop) {
1917 ost->topBand = frame_topBand;
1918 ost->leftBand = frame_leftBand;
1920 if (ost->video_pad) {
1921 ost->padtop = frame_padtop;
1922 ost->padleft = frame_padleft;
1923 ost->padbottom = frame_padbottom;
1924 ost->padright = frame_padright;
1925 if (!ost->video_resample) {
1926 avcodec_get_frame_defaults(&ost->pict_tmp);
1927 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1928 codec->width, codec->height))
1932 if (ost->video_resample) {
1933 avcodec_get_frame_defaults(&ost->pict_tmp);
1934 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1935 codec->width, codec->height)) {
1936 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1939 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1940 ost->img_resample_ctx = sws_getContext(
1941 icodec->width - (frame_leftBand + frame_rightBand),
1942 icodec->height - (frame_topBand + frame_bottomBand),
1944 codec->width - (frame_padleft + frame_padright),
1945 codec->height - (frame_padtop + frame_padbottom),
1947 sws_flags, NULL, NULL, NULL);
1948 if (ost->img_resample_ctx == NULL) {
1949 fprintf(stderr, "Cannot get resampling context\n");
1952 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1953 codec->bits_per_raw_sample= 0;
1955 ost->encoding_needed = 1;
1956 ist->decoding_needed = 1;
1958 case CODEC_TYPE_SUBTITLE:
1959 ost->encoding_needed = 1;
1960 ist->decoding_needed = 1;
1967 if (ost->encoding_needed &&
1968 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1969 char logfilename[1024];
1974 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1975 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1977 if (codec->flags & CODEC_FLAG_PASS1) {
1978 f = fopen(logfilename, "w");
1980 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1985 /* read the log file */
1986 f = fopen(logfilename, "r");
1988 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1991 fseek(f, 0, SEEK_END);
1993 fseek(f, 0, SEEK_SET);
1994 logbuffer = av_malloc(size + 1);
1996 fprintf(stderr, "Could not allocate log buffer\n");
1999 size = fread(logbuffer, 1, size, f);
2001 logbuffer[size] = '\0';
2002 codec->stats_in = logbuffer;
2006 if(codec->codec_type == CODEC_TYPE_VIDEO){
2007 int size= codec->width * codec->height;
2008 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2013 bit_buffer = av_malloc(bit_buffer_size);
2015 ret = AVERROR(ENOMEM);
2019 /* open each encoder */
2020 for(i=0;i<nb_ostreams;i++) {
2022 if (ost->encoding_needed) {
2023 AVCodec *codec = output_codecs[i];
2025 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2027 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
2028 ost->file_index, ost->index);
2029 ret = AVERROR(EINVAL);
2032 if (avcodec_open(ost->st->codec, codec) < 0) {
2033 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2034 ost->file_index, ost->index);
2035 ret = AVERROR(EINVAL);
2038 extra_size += ost->st->codec->extradata_size;
2042 /* open each decoder */
2043 for(i=0;i<nb_istreams;i++) {
2045 if (ist->decoding_needed) {
2046 AVCodec *codec = input_codecs[i];
2048 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2050 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
2051 ist->st->codec->codec_id, ist->file_index, ist->index);
2052 ret = AVERROR(EINVAL);
2055 if (avcodec_open(ist->st->codec, codec) < 0) {
2056 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
2057 ist->file_index, ist->index);
2058 ret = AVERROR(EINVAL);
2061 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2062 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2067 for(i=0;i<nb_istreams;i++) {
2070 ist->next_pts = AV_NOPTS_VALUE;
2074 /* set meta data information from input file if required */
2075 for (i=0;i<nb_meta_data_maps;i++) {
2076 AVFormatContext *out_file;
2077 AVFormatContext *in_file;
2078 AVMetadataTag *mtag;
2080 int out_file_index = meta_data_maps[i].out_file;
2081 int in_file_index = meta_data_maps[i].in_file;
2082 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2083 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2084 out_file_index, out_file_index, in_file_index);
2085 ret = AVERROR(EINVAL);
2088 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2089 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2090 in_file_index, out_file_index, in_file_index);
2091 ret = AVERROR(EINVAL);
2095 out_file = output_files[out_file_index];
2096 in_file = input_files[in_file_index];
2100 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2101 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2102 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2103 in_file->iformat->metadata_conv);
2106 /* open files and write file headers */
2107 for(i=0;i<nb_output_files;i++) {
2108 os = output_files[i];
2109 if (av_write_header(os) < 0) {
2110 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2111 ret = AVERROR(EINVAL);
2114 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2120 /* dump the file output parameters - cannot be done before in case
2122 for(i=0;i<nb_output_files;i++) {
2123 dump_format(output_files[i], i, output_files[i]->filename, 1);
2126 /* dump the stream mapping */
2128 fprintf(stderr, "Stream mapping:\n");
2129 for(i=0;i<nb_ostreams;i++) {
2131 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2132 ist_table[ost->source_index]->file_index,
2133 ist_table[ost->source_index]->index,
2136 if (ost->sync_ist != ist_table[ost->source_index])
2137 fprintf(stderr, " [sync #%d.%d]",
2138 ost->sync_ist->file_index,
2139 ost->sync_ist->index);
2140 fprintf(stderr, "\n");
2145 fprintf(stderr, "%s\n", error);
2150 print_sdp(output_files, nb_output_files);
2153 if (!using_stdin && verbose >= 0) {
2154 fprintf(stderr, "Press [q] to stop encoding\n");
2155 url_set_interrupt_cb(decode_interrupt_cb);
2159 timer_start = av_gettime();
2161 for(; received_sigterm == 0;) {
2162 int file_index, ist_index;
2170 /* if 'q' pressed, exits */
2174 /* read_key() returns 0 on EOF */
2180 /* select the stream that we must read now by looking at the
2181 smallest output pts */
2183 for(i=0;i<nb_ostreams;i++) {
2186 os = output_files[ost->file_index];
2187 ist = ist_table[ost->source_index];
2188 if(no_packet[ist->file_index])
2190 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2191 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2193 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2194 ipts = (double)ist->pts;
2195 if (!file_table[ist->file_index].eof_reached){
2196 if(ipts < ipts_min) {
2198 if(input_sync ) file_index = ist->file_index;
2200 if(opts < opts_min) {
2202 if(!input_sync) file_index = ist->file_index;
2205 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2210 /* if none, if is finished */
2211 if (file_index < 0) {
2212 if(no_packet_count){
2214 memset(no_packet, 0, sizeof(no_packet));
2221 /* finish if recording time exhausted */
2222 if (opts_min >= (recording_time / 1000000.0))
2225 /* finish if limit size exhausted */
2226 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2229 /* read a frame from it and output it in the fifo */
2230 is = input_files[file_index];
2231 ret= av_read_frame(is, &pkt);
2232 if(ret == AVERROR(EAGAIN)){
2233 no_packet[file_index]=1;
2238 file_table[file_index].eof_reached = 1;
2246 memset(no_packet, 0, sizeof(no_packet));
2249 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2251 /* the following test is needed in case new streams appear
2252 dynamically in stream : we ignore them */
2253 if (pkt.stream_index >= file_table[file_index].nb_streams)
2254 goto discard_packet;
2255 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2256 ist = ist_table[ist_index];
2258 goto discard_packet;
2260 if (pkt.dts != AV_NOPTS_VALUE)
2261 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2262 if (pkt.pts != AV_NOPTS_VALUE)
2263 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2265 if(input_files_ts_scale[file_index][pkt.stream_index]){
2266 if(pkt.pts != AV_NOPTS_VALUE)
2267 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2268 if(pkt.dts != AV_NOPTS_VALUE)
2269 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2272 //av_log(NULL, AV_LOG_ERROR, "timestamp=%"PRId64" %"PRId64"\n", pkt.pts, pkt.dts);
2275 // 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);
2276 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2277 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2278 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2279 int64_t delta= pkt_dts - ist->next_pts;
2280 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2281 input_files_ts_offset[ist->file_index]-= delta;
2283 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2284 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2285 if(pkt.pts != AV_NOPTS_VALUE)
2286 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2290 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2291 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2294 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2295 ist->file_index, ist->index);
2298 av_free_packet(&pkt);
2305 av_free_packet(&pkt);
2307 /* dump report by using the output first video and audio streams */
2308 //print_report(output_files, ost_table, nb_ostreams, 0);
2311 /* at the end of stream, we must flush the decoder buffers */
2312 for(i=0;i<nb_istreams;i++) {
2314 if (ist->decoding_needed) {
2315 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2321 /* write the trailer if needed and close file */
2322 for(i=0;i<nb_output_files;i++) {
2323 os = output_files[i];
2324 av_write_trailer(os);
2327 /* dump report by using the first video and audio streams */
2328 print_report(output_files, ost_table, nb_ostreams, 1);
2330 /* close each encoder */
2331 for(i=0;i<nb_ostreams;i++) {
2333 if (ost->encoding_needed) {
2334 av_freep(&ost->st->codec->stats_in);
2335 avcodec_close(ost->st->codec);
2339 /* close each decoder */
2340 for(i=0;i<nb_istreams;i++) {
2342 if (ist->decoding_needed) {
2343 avcodec_close(ist->st->codec);
2351 av_freep(&bit_buffer);
2352 av_free(file_table);
2355 for(i=0;i<nb_istreams;i++) {
2362 for(i=0;i<nb_ostreams;i++) {
2366 fclose(ost->logfile);
2367 ost->logfile = NULL;
2369 av_fifo_free(ost->fifo); /* works even if fifo is not
2370 initialized but set to zero */
2371 av_free(ost->pict_tmp.data[0]);
2372 if (ost->video_resample)
2373 sws_freeContext(ost->img_resample_ctx);
2375 audio_resample_close(ost->resample);
2376 if (ost->reformat_ctx)
2377 av_audio_convert_free(ost->reformat_ctx);
2387 int file_read(const char *filename)
2390 unsigned char buffer[1024];
2393 if (url_open(&h, filename, O_RDONLY) < 0) {
2394 printf("could not open '%s'\n", filename);
2398 len = url_read(h, buffer, sizeof(buffer));
2401 for(i=0;i<len;i++) putchar(buffer[i]);
2408 static void opt_format(const char *arg)
2410 /* compatibility stuff for pgmyuv */
2411 if (!strcmp(arg, "pgmyuv")) {
2412 pgmyuv_compatibility_hack=1;
2413 // opt_image_format(arg);
2415 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2418 file_iformat = av_find_input_format(arg);
2419 file_oformat = guess_format(arg, NULL, NULL);
2420 if (!file_iformat && !file_oformat) {
2421 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2426 static void opt_video_rc_override_string(const char *arg)
2428 video_rc_override_string = arg;
2431 static int opt_me_threshold(const char *opt, const char *arg)
2433 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2437 static int opt_loglevel(const char *opt, const char *arg)
2439 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2440 av_log_set_level(level);
2444 static int opt_verbose(const char *opt, const char *arg)
2446 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2450 static int opt_frame_rate(const char *opt, const char *arg)
2452 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2453 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2459 static int opt_bitrate(const char *opt, const char *arg)
2461 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2463 opt_default(opt, arg);
2465 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2466 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2471 static void opt_frame_crop_top(const char *arg)
2473 frame_topBand = atoi(arg);
2474 if (frame_topBand < 0) {
2475 fprintf(stderr, "Incorrect top crop size\n");
2478 if ((frame_topBand % 2) != 0) {
2479 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2482 if ((frame_topBand) >= frame_height){
2483 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2486 frame_height -= frame_topBand;
2489 static void opt_frame_crop_bottom(const char *arg)
2491 frame_bottomBand = atoi(arg);
2492 if (frame_bottomBand < 0) {
2493 fprintf(stderr, "Incorrect bottom crop size\n");
2496 if ((frame_bottomBand % 2) != 0) {
2497 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2500 if ((frame_bottomBand) >= frame_height){
2501 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2504 frame_height -= frame_bottomBand;
2507 static void opt_frame_crop_left(const char *arg)
2509 frame_leftBand = atoi(arg);
2510 if (frame_leftBand < 0) {
2511 fprintf(stderr, "Incorrect left crop size\n");
2514 if ((frame_leftBand % 2) != 0) {
2515 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2518 if ((frame_leftBand) >= frame_width){
2519 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2522 frame_width -= frame_leftBand;
2525 static void opt_frame_crop_right(const char *arg)
2527 frame_rightBand = atoi(arg);
2528 if (frame_rightBand < 0) {
2529 fprintf(stderr, "Incorrect right crop size\n");
2532 if ((frame_rightBand % 2) != 0) {
2533 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2536 if ((frame_rightBand) >= frame_width){
2537 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2540 frame_width -= frame_rightBand;
2543 static void opt_frame_size(const char *arg)
2545 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2546 fprintf(stderr, "Incorrect frame size\n");
2549 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2550 fprintf(stderr, "Frame size must be a multiple of 2\n");
2556 #define SCALEBITS 10
2557 #define ONE_HALF (1 << (SCALEBITS - 1))
2558 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2560 #define RGB_TO_Y(r, g, b) \
2561 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2562 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2564 #define RGB_TO_U(r1, g1, b1, shift)\
2565 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2566 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2568 #define RGB_TO_V(r1, g1, b1, shift)\
2569 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2570 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2572 static void opt_pad_color(const char *arg) {
2573 /* Input is expected to be six hex digits similar to
2574 how colors are expressed in html tags (but without the #) */
2575 int rgb = strtol(arg, NULL, 16);
2579 g = ((rgb >> 8) & 255);
2582 padcolor[0] = RGB_TO_Y(r,g,b);
2583 padcolor[1] = RGB_TO_U(r,g,b,0);
2584 padcolor[2] = RGB_TO_V(r,g,b,0);
2587 static void opt_frame_pad_top(const char *arg)
2589 frame_padtop = atoi(arg);
2590 if (frame_padtop < 0) {
2591 fprintf(stderr, "Incorrect top pad size\n");
2594 if ((frame_padtop % 2) != 0) {
2595 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2600 static void opt_frame_pad_bottom(const char *arg)
2602 frame_padbottom = atoi(arg);
2603 if (frame_padbottom < 0) {
2604 fprintf(stderr, "Incorrect bottom pad size\n");
2607 if ((frame_padbottom % 2) != 0) {
2608 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2614 static void opt_frame_pad_left(const char *arg)
2616 frame_padleft = atoi(arg);
2617 if (frame_padleft < 0) {
2618 fprintf(stderr, "Incorrect left pad size\n");
2621 if ((frame_padleft % 2) != 0) {
2622 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2628 static void opt_frame_pad_right(const char *arg)
2630 frame_padright = atoi(arg);
2631 if (frame_padright < 0) {
2632 fprintf(stderr, "Incorrect right pad size\n");
2635 if ((frame_padright % 2) != 0) {
2636 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2641 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2645 for (i=-1; i < nb_fmts; i++) {
2646 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2647 fprintf(stdout, "%s\n", fmt_str);
2651 static void opt_frame_pix_fmt(const char *arg)
2653 if (strcmp(arg, "list")) {
2654 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2655 if (frame_pix_fmt == PIX_FMT_NONE) {
2656 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2660 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2665 static void opt_frame_aspect_ratio(const char *arg)
2672 p = strchr(arg, ':');
2674 x = strtol(arg, &end, 10);
2676 y = strtol(end+1, &end, 10);
2678 ar = (double)x / (double)y;
2680 ar = strtod(arg, NULL);
2683 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2686 frame_aspect_ratio = ar;
2689 static int opt_metadata(const char *opt, const char *arg)
2691 char *mid= strchr(arg, '=');
2694 fprintf(stderr, "Missing =\n");
2700 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2701 metadata[metadata_count-1].key = av_strdup(arg);
2702 metadata[metadata_count-1].value= av_strdup(mid);
2707 static void opt_qscale(const char *arg)
2709 video_qscale = atof(arg);
2710 if (video_qscale <= 0 ||
2711 video_qscale > 255) {
2712 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2717 static void opt_top_field_first(const char *arg)
2719 top_field_first= atoi(arg);
2722 static int opt_thread_count(const char *opt, const char *arg)
2724 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2727 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2732 static void opt_audio_sample_fmt(const char *arg)
2734 if (strcmp(arg, "list"))
2735 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2737 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2742 static int opt_audio_rate(const char *opt, const char *arg)
2744 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2748 static int opt_audio_channels(const char *opt, const char *arg)
2750 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2754 static void opt_video_channel(const char *arg)
2756 video_channel = strtol(arg, NULL, 0);
2759 static void opt_video_standard(const char *arg)
2761 video_standard = av_strdup(arg);
2764 static void opt_codec(int *pstream_copy, char **pcodec_name,
2765 int codec_type, const char *arg)
2767 av_freep(pcodec_name);
2768 if (!strcmp(arg, "copy")) {
2771 *pcodec_name = av_strdup(arg);
2775 static void opt_audio_codec(const char *arg)
2777 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2780 static void opt_audio_tag(const char *arg)
2783 audio_codec_tag= strtol(arg, &tail, 0);
2786 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2789 static void opt_video_tag(const char *arg)
2792 video_codec_tag= strtol(arg, &tail, 0);
2795 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2798 static void opt_video_codec(const char *arg)
2800 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2803 static void opt_subtitle_codec(const char *arg)
2805 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2808 static void opt_subtitle_tag(const char *arg)
2811 subtitle_codec_tag= strtol(arg, &tail, 0);
2814 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2817 static void opt_map(const char *arg)
2822 m = &stream_maps[nb_stream_maps++];
2824 m->file_index = strtol(arg, &p, 0);
2828 m->stream_index = strtol(p, &p, 0);
2831 m->sync_file_index = strtol(p, &p, 0);
2834 m->sync_stream_index = strtol(p, &p, 0);
2836 m->sync_file_index = m->file_index;
2837 m->sync_stream_index = m->stream_index;
2841 static void opt_map_meta_data(const char *arg)
2846 m = &meta_data_maps[nb_meta_data_maps++];
2848 m->out_file = strtol(arg, &p, 0);
2852 m->in_file = strtol(p, &p, 0);
2855 static void opt_input_ts_scale(const char *arg)
2857 unsigned int stream;
2861 stream = strtol(arg, &p, 0);
2864 scale= strtod(p, &p);
2866 if(stream >= MAX_STREAMS)
2869 input_files_ts_scale[nb_input_files][stream]= scale;
2872 static int opt_recording_time(const char *opt, const char *arg)
2874 recording_time = parse_time_or_die(opt, arg, 1);
2878 static int opt_start_time(const char *opt, const char *arg)
2880 start_time = parse_time_or_die(opt, arg, 1);
2884 static int opt_rec_timestamp(const char *opt, const char *arg)
2886 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2890 static int opt_input_ts_offset(const char *opt, const char *arg)
2892 input_ts_offset = parse_time_or_die(opt, arg, 1);
2896 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2898 const char *codec_string = encoder ? "encoder" : "decoder";
2902 return CODEC_ID_NONE;
2904 avcodec_find_encoder_by_name(name) :
2905 avcodec_find_decoder_by_name(name);
2907 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2910 if(codec->type != type) {
2911 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2917 static void opt_contract_label(const char *label)
2919 contract_label = label;
2922 static void opt_input_file(const char *filename)
2924 AVFormatContext *ic;
2925 AVFormatParameters params, *ap = ¶ms;
2926 int err, i, ret, rfps, rfps_base;
2929 if (!strcmp(filename, "-"))
2932 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2933 !strcmp(filename, "/dev/stdin");
2935 /* get default parameters from command line */
2936 ic = avformat_alloc_context();
2938 memset(ap, 0, sizeof(*ap));
2939 ap->prealloced_context = 1;
2940 ap->sample_rate = audio_sample_rate;
2941 ap->channels = audio_channels;
2942 ap->time_base.den = frame_rate.num;
2943 ap->time_base.num = frame_rate.den;
2944 ap->width = frame_width + frame_padleft + frame_padright;
2945 ap->height = frame_height + frame_padtop + frame_padbottom;
2946 ap->pix_fmt = frame_pix_fmt;
2947 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2948 ap->channel = video_channel;
2949 ap->standard = video_standard;
2950 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2951 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2952 if(pgmyuv_compatibility_hack)
2953 ap->video_codec_id= CODEC_ID_PGMYUV;
2955 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2957 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2958 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2959 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2960 ic->flags |= AVFMT_FLAG_NONBLOCK;
2962 /* open the input file with generic libav function */
2963 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2965 print_error(filename, err);
2970 for(i=0; i<ic->nb_programs; i++)
2971 if(ic->programs[i]->id != opt_programid)
2972 ic->programs[i]->discard = AVDISCARD_ALL;
2975 ic->loop_input = loop_input;
2977 /* If not enough info to get the stream parameters, we decode the
2978 first frames to get it. (used in mpeg case for example) */
2979 ret = av_find_stream_info(ic);
2980 if (ret < 0 && verbose >= 0) {
2981 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2985 timestamp = start_time;
2986 /* add the stream start time */
2987 if (ic->start_time != AV_NOPTS_VALUE)
2988 timestamp += ic->start_time;
2990 /* if seeking requested, we execute it */
2991 if (start_time != 0) {
2992 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2994 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2995 filename, (double)timestamp / AV_TIME_BASE);
2997 /* reset seek info */
3001 /* update the current parameters so that they match the one of the input stream */
3002 for(i=0;i<ic->nb_streams;i++) {
3003 AVCodecContext *enc = ic->streams[i]->codec;
3005 avcodec_thread_init(enc, thread_count);
3006 enc->thread_count= thread_count;
3007 switch(enc->codec_type) {
3008 case CODEC_TYPE_AUDIO:
3009 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3010 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3011 channel_layout = enc->channel_layout;
3012 audio_channels = enc->channels;
3013 audio_sample_rate = enc->sample_rate;
3014 audio_sample_fmt = enc->sample_fmt;
3015 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3017 ic->streams[i]->discard= AVDISCARD_ALL;
3019 case CODEC_TYPE_VIDEO:
3020 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3021 frame_height = enc->height;
3022 frame_width = enc->width;
3023 if(ic->streams[i]->sample_aspect_ratio.num)
3024 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3026 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3027 frame_aspect_ratio *= (float) enc->width / enc->height;
3028 frame_pix_fmt = enc->pix_fmt;
3029 rfps = ic->streams[i]->r_frame_rate.num;
3030 rfps_base = ic->streams[i]->r_frame_rate.den;
3031 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3033 enc->debug |= FF_DEBUG_MV;
3035 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3038 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3039 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3041 (float)rfps / rfps_base, rfps, rfps_base);
3043 /* update the current frame rate to match the stream frame rate */
3044 frame_rate.num = rfps;
3045 frame_rate.den = rfps_base;
3047 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3049 ic->streams[i]->discard= AVDISCARD_ALL;
3050 else if(video_discard)
3051 ic->streams[i]->discard= video_discard;
3053 case CODEC_TYPE_DATA:
3055 case CODEC_TYPE_SUBTITLE:
3056 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3057 if(subtitle_disable)
3058 ic->streams[i]->discard = AVDISCARD_ALL;
3060 case CODEC_TYPE_ATTACHMENT:
3061 case CODEC_TYPE_UNKNOWN:
3069 input_files[nb_input_files] = ic;
3070 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3071 /* dump the file content */
3073 dump_format(ic, nb_input_files, filename, 0);
3076 file_iformat = NULL;
3077 file_oformat = NULL;
3081 av_freep(&video_codec_name);
3082 av_freep(&audio_codec_name);
3083 av_freep(&subtitle_codec_name);
3086 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3087 int *has_subtitle_ptr)
3089 int has_video, has_audio, has_subtitle, i, j;
3090 AVFormatContext *ic;
3095 for(j=0;j<nb_input_files;j++) {
3096 ic = input_files[j];
3097 for(i=0;i<ic->nb_streams;i++) {
3098 AVCodecContext *enc = ic->streams[i]->codec;
3099 switch(enc->codec_type) {
3100 case CODEC_TYPE_AUDIO:
3103 case CODEC_TYPE_VIDEO:
3106 case CODEC_TYPE_SUBTITLE:
3109 case CODEC_TYPE_DATA:
3110 case CODEC_TYPE_ATTACHMENT:
3111 case CODEC_TYPE_UNKNOWN:
3118 *has_video_ptr = has_video;
3119 *has_audio_ptr = has_audio;
3120 *has_subtitle_ptr = has_subtitle;
3123 static void new_video_stream(AVFormatContext *oc)
3126 AVCodecContext *video_enc;
3129 st = av_new_stream(oc, oc->nb_streams);
3131 fprintf(stderr, "Could not alloc stream\n");
3134 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3135 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3136 video_bitstream_filters= NULL;
3139 avcodec_thread_init(st->codec, thread_count);
3141 video_enc = st->codec;
3144 video_enc->codec_tag= video_codec_tag;
3146 if( (video_global_header&1)
3147 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3148 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3149 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3151 if(video_global_header&2){
3152 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3153 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3156 if (video_stream_copy) {
3157 st->stream_copy = 1;
3158 video_enc->codec_type = CODEC_TYPE_VIDEO;
3159 video_enc->sample_aspect_ratio =
3160 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3165 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3167 if (video_codec_name) {
3168 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3169 codec = avcodec_find_encoder_by_name(video_codec_name);
3170 output_codecs[nb_ocodecs] = codec;
3172 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3173 codec = avcodec_find_encoder(codec_id);
3176 video_enc->codec_id = codec_id;
3178 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3180 if (codec && codec->supported_framerates && !force_fps)
3181 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3182 video_enc->time_base.den = fps.num;
3183 video_enc->time_base.num = fps.den;
3185 video_enc->width = frame_width + frame_padright + frame_padleft;
3186 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3187 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3188 video_enc->pix_fmt = frame_pix_fmt;
3189 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3191 if(codec && codec->pix_fmts){
3192 const enum PixelFormat *p= codec->pix_fmts;
3194 if(*p == video_enc->pix_fmt)
3198 video_enc->pix_fmt = codec->pix_fmts[0];
3202 video_enc->gop_size = 0;
3203 if (video_qscale || same_quality) {
3204 video_enc->flags |= CODEC_FLAG_QSCALE;
3205 video_enc->global_quality=
3206 st->quality = FF_QP2LAMBDA * video_qscale;
3210 video_enc->intra_matrix = intra_matrix;
3212 video_enc->inter_matrix = inter_matrix;
3214 video_enc->thread_count = thread_count;
3215 p= video_rc_override_string;
3218 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3220 fprintf(stderr, "error parsing rc_override\n");
3223 video_enc->rc_override=
3224 av_realloc(video_enc->rc_override,
3225 sizeof(RcOverride)*(i+1));
3226 video_enc->rc_override[i].start_frame= start;
3227 video_enc->rc_override[i].end_frame = end;
3229 video_enc->rc_override[i].qscale= q;
3230 video_enc->rc_override[i].quality_factor= 1.0;
3233 video_enc->rc_override[i].qscale= 0;
3234 video_enc->rc_override[i].quality_factor= -q/100.0;
3239 video_enc->rc_override_count=i;
3240 if (!video_enc->rc_initial_buffer_occupancy)
3241 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3242 video_enc->me_threshold= me_threshold;
3243 video_enc->intra_dc_precision= intra_dc_precision - 8;
3246 video_enc->flags|= CODEC_FLAG_PSNR;
3251 video_enc->flags |= CODEC_FLAG_PASS1;
3253 video_enc->flags |= CODEC_FLAG_PASS2;
3259 /* reset some key parameters */
3261 av_freep(&video_codec_name);
3262 video_stream_copy = 0;
3265 static void new_audio_stream(AVFormatContext *oc)
3268 AVCodecContext *audio_enc;
3271 st = av_new_stream(oc, oc->nb_streams);
3273 fprintf(stderr, "Could not alloc stream\n");
3276 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3278 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3279 audio_bitstream_filters= NULL;
3282 avcodec_thread_init(st->codec, thread_count);
3284 audio_enc = st->codec;
3285 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3288 audio_enc->codec_tag= audio_codec_tag;
3290 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3291 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3292 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3294 if (audio_stream_copy) {
3295 st->stream_copy = 1;
3296 audio_enc->channels = audio_channels;
3300 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3302 if (audio_codec_name) {
3303 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3304 codec = avcodec_find_encoder_by_name(audio_codec_name);
3305 output_codecs[nb_ocodecs] = codec;
3307 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3308 codec = avcodec_find_encoder(codec_id);
3310 audio_enc->codec_id = codec_id;
3312 if (audio_qscale > QSCALE_NONE) {
3313 audio_enc->flags |= CODEC_FLAG_QSCALE;
3314 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3316 audio_enc->thread_count = thread_count;
3317 audio_enc->channels = audio_channels;
3318 audio_enc->sample_fmt = audio_sample_fmt;
3319 audio_enc->channel_layout = channel_layout;
3320 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3321 audio_enc->channel_layout = 0;
3323 if(codec && codec->sample_fmts){
3324 const enum SampleFormat *p= codec->sample_fmts;
3326 if(*p == audio_enc->sample_fmt)
3330 audio_enc->sample_fmt = codec->sample_fmts[0];
3334 audio_enc->sample_rate = audio_sample_rate;
3335 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3336 if (audio_language) {
3337 av_metadata_set(&st->metadata, "language", audio_language);
3338 av_free(audio_language);
3339 audio_language = NULL;
3342 /* reset some key parameters */
3344 av_freep(&audio_codec_name);
3345 audio_stream_copy = 0;
3348 static void new_subtitle_stream(AVFormatContext *oc)
3351 AVCodecContext *subtitle_enc;
3353 st = av_new_stream(oc, oc->nb_streams);
3355 fprintf(stderr, "Could not alloc stream\n");
3358 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3360 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3361 subtitle_bitstream_filters= NULL;
3363 subtitle_enc = st->codec;
3364 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3366 if(subtitle_codec_tag)
3367 subtitle_enc->codec_tag= subtitle_codec_tag;
3369 if (subtitle_stream_copy) {
3370 st->stream_copy = 1;
3372 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3373 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3374 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3378 if (subtitle_language) {
3379 av_metadata_set(&st->metadata, "language", subtitle_language);
3380 av_free(subtitle_language);
3381 subtitle_language = NULL;
3384 subtitle_disable = 0;
3385 av_freep(&subtitle_codec_name);
3386 subtitle_stream_copy = 0;
3389 static void opt_new_audio_stream(void)
3391 AVFormatContext *oc;
3392 if (nb_output_files <= 0) {
3393 fprintf(stderr, "At least one output file must be specified\n");
3396 oc = output_files[nb_output_files - 1];
3397 new_audio_stream(oc);
3400 static void opt_new_video_stream(void)
3402 AVFormatContext *oc;
3403 if (nb_output_files <= 0) {
3404 fprintf(stderr, "At least one output file must be specified\n");
3407 oc = output_files[nb_output_files - 1];
3408 new_video_stream(oc);
3411 static void opt_new_subtitle_stream(void)
3413 AVFormatContext *oc;
3414 if (nb_output_files <= 0) {
3415 fprintf(stderr, "At least one output file must be specified\n");
3418 oc = output_files[nb_output_files - 1];
3419 new_subtitle_stream(oc);
3422 static void opt_output_file(const char *filename)
3424 AVFormatContext *oc;
3425 int use_video, use_audio, use_subtitle;
3426 int input_has_video, input_has_audio, input_has_subtitle;
3427 AVFormatParameters params, *ap = ¶ms;
3429 if (!strcmp(filename, "-"))
3432 oc = avformat_alloc_context();
3434 if (!file_oformat) {
3435 file_oformat = guess_format(NULL, filename, NULL);
3436 if (!file_oformat) {
3437 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3443 oc->oformat = file_oformat;
3444 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3446 if (!strcmp(file_oformat->name, "ffm") &&
3447 av_strstart(filename, "http:", NULL)) {
3448 /* special case for files sent to ffserver: we get the stream
3449 parameters from ffserver */
3450 int err = read_ffserver_streams(oc, filename);
3452 print_error(filename, err);
3456 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3457 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3458 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3460 /* disable if no corresponding type found and at least one
3462 if (nb_input_files > 0) {
3463 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3464 &input_has_subtitle);
3465 if (!input_has_video)
3467 if (!input_has_audio)
3469 if (!input_has_subtitle)
3473 /* manual disable */
3474 if (audio_disable) {
3477 if (video_disable) {
3480 if (subtitle_disable) {
3485 new_video_stream(oc);
3489 new_audio_stream(oc);
3493 new_subtitle_stream(oc);
3496 oc->timestamp = rec_timestamp;
3498 for(; metadata_count>0; metadata_count--){
3499 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3500 metadata[metadata_count-1].value);
3502 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3505 output_files[nb_output_files++] = oc;
3507 /* check filename in case of an image number is expected */
3508 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3509 if (!av_filename_number_test(oc->filename)) {
3510 print_error(oc->filename, AVERROR_NUMEXPECTED);
3515 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3516 /* test if it already exists to avoid loosing precious files */
3517 if (!file_overwrite &&
3518 (strchr(filename, ':') == NULL ||
3519 filename[1] == ':' ||
3520 av_strstart(filename, "file:", NULL))) {
3521 if (url_exist(filename)) {
3523 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3525 if (!read_yesno()) {
3526 fprintf(stderr, "Not overwriting - exiting\n");
3531 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3538 if (url_fopen(&oc->pb, filename, o_direct ? URL_RDWR|URL_DIRECT : URL_WRONLY) < 0) {
3539 fprintf(stderr, "Could not open '%s'\n", filename);
3545 for (i=0; i<0x81; i++) {
3546 put_le32(oc->pb, i);
3548 put_flush_packet(oc->pb);
3550 url_close_buf(oc->pb);
3556 memset(ap, 0, sizeof(*ap));
3557 if (av_set_parameters(oc, ap) < 0) {
3558 fprintf(stderr, "%s: Invalid encoding parameters\n",
3563 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3564 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3565 oc->loop_output = loop_output;
3566 oc->flags |= AVFMT_FLAG_NONBLOCK;
3568 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3570 /* reset some options */
3571 file_oformat = NULL;
3572 file_iformat = NULL;
3575 /* same option as mencoder */
3576 static void opt_pass(const char *pass_str)
3579 pass = atoi(pass_str);
3580 if (pass != 1 && pass != 2) {
3581 fprintf(stderr, "pass number can be only 1 or 2\n");
3587 static int64_t getutime(void)
3590 struct rusage rusage;
3592 getrusage(RUSAGE_SELF, &rusage);
3593 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3594 #elif HAVE_GETPROCESSTIMES
3596 FILETIME c, e, k, u;
3597 proc = GetCurrentProcess();
3598 GetProcessTimes(proc, &c, &e, &k, &u);
3599 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3601 return av_gettime();
3605 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3608 const char *p = str;
3615 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3622 static void opt_inter_matrix(const char *arg)
3624 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3625 parse_matrix_coeffs(inter_matrix, arg);
3628 static void opt_intra_matrix(const char *arg)
3630 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3631 parse_matrix_coeffs(intra_matrix, arg);
3635 * Trivial log callback.
3636 * Only suitable for show_help and similar since it lacks prefix handling.
3638 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3640 vfprintf(stdout, fmt, vl);
3643 static void show_help(void)
3645 av_log_set_callback(log_callback_help);
3646 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3647 "Hyper fast Audio and Video encoder\n");
3649 show_help_options(options, "Main options:\n",
3650 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3651 show_help_options(options, "\nAdvanced options:\n",
3652 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3654 show_help_options(options, "\nVideo options:\n",
3655 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3657 show_help_options(options, "\nAdvanced Video options:\n",
3658 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3659 OPT_VIDEO | OPT_EXPERT);
3660 show_help_options(options, "\nAudio options:\n",
3661 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3663 show_help_options(options, "\nAdvanced Audio options:\n",
3664 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3665 OPT_AUDIO | OPT_EXPERT);
3666 show_help_options(options, "\nSubtitle options:\n",
3667 OPT_SUBTITLE | OPT_GRAB,
3669 show_help_options(options, "\nAudio/Video grab options:\n",
3673 av_opt_show(avcodec_opts[0], NULL);
3675 av_opt_show(avformat_opts, NULL);
3677 av_opt_show(sws_opts, NULL);
3680 static void opt_target(const char *arg)
3683 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3685 if(!strncmp(arg, "pal-", 4)) {
3688 } else if(!strncmp(arg, "ntsc-", 5)) {
3691 } else if(!strncmp(arg, "film-", 5)) {
3696 /* Calculate FR via float to avoid int overflow */
3697 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3700 } else if((fr == 29970) || (fr == 23976)) {
3703 /* Try to determine PAL/NTSC by peeking in the input files */
3704 if(nb_input_files) {
3706 for(j = 0; j < nb_input_files; j++) {
3707 for(i = 0; i < input_files[j]->nb_streams; i++) {
3708 AVCodecContext *c = input_files[j]->streams[i]->codec;
3709 if(c->codec_type != CODEC_TYPE_VIDEO)
3711 fr = c->time_base.den * 1000 / c->time_base.num;
3715 } else if((fr == 29970) || (fr == 23976)) {
3725 if(verbose && norm >= 0)
3726 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3730 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3731 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3732 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3736 if(!strcmp(arg, "vcd")) {
3738 opt_video_codec("mpeg1video");
3739 opt_audio_codec("mp2");
3742 opt_frame_size(norm ? "352x240" : "352x288");
3743 opt_frame_rate(NULL, frame_rates[norm]);
3744 opt_default("gop", norm ? "18" : "15");
3746 opt_default("b", "1150000");
3747 opt_default("maxrate", "1150000");
3748 opt_default("minrate", "1150000");
3749 opt_default("bufsize", "327680"); // 40*1024*8;
3751 opt_default("ab", "224000");
3752 audio_sample_rate = 44100;
3755 opt_default("packetsize", "2324");
3756 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3758 /* We have to offset the PTS, so that it is consistent with the SCR.
3759 SCR starts at 36000, but the first two packs contain only padding
3760 and the first pack from the other stream, respectively, may also have
3761 been written before.
3762 So the real data starts at SCR 36000+3*1200. */
3763 mux_preload= (36000+3*1200) / 90000.0; //0.44
3764 } else if(!strcmp(arg, "svcd")) {
3766 opt_video_codec("mpeg2video");
3767 opt_audio_codec("mp2");
3770 opt_frame_size(norm ? "480x480" : "480x576");
3771 opt_frame_rate(NULL, frame_rates[norm]);
3772 opt_default("gop", norm ? "18" : "15");
3774 opt_default("b", "2040000");
3775 opt_default("maxrate", "2516000");
3776 opt_default("minrate", "0"); //1145000;
3777 opt_default("bufsize", "1835008"); //224*1024*8;
3778 opt_default("flags", "+scan_offset");
3781 opt_default("ab", "224000");
3782 audio_sample_rate = 44100;
3784 opt_default("packetsize", "2324");
3786 } else if(!strcmp(arg, "dvd")) {
3788 opt_video_codec("mpeg2video");
3789 opt_audio_codec("ac3");
3792 opt_frame_size(norm ? "720x480" : "720x576");
3793 opt_frame_rate(NULL, frame_rates[norm]);
3794 opt_default("gop", norm ? "18" : "15");
3796 opt_default("b", "6000000");
3797 opt_default("maxrate", "9000000");
3798 opt_default("minrate", "0"); //1500000;
3799 opt_default("bufsize", "1835008"); //224*1024*8;
3801 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3802 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3804 opt_default("ab", "448000");
3805 audio_sample_rate = 48000;
3807 } else if(!strncmp(arg, "dv", 2)) {
3811 opt_frame_size(norm ? "720x480" : "720x576");
3812 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3813 (norm ? "yuv411p" : "yuv420p"));
3814 opt_frame_rate(NULL, frame_rates[norm]);
3816 audio_sample_rate = 48000;
3820 fprintf(stderr, "Unknown target: %s\n", arg);
3825 static void opt_vstats_file (const char *arg)
3827 av_free (vstats_filename);
3828 vstats_filename=av_strdup (arg);
3831 static void opt_vstats (void)
3834 time_t today2 = time(NULL);
3835 struct tm *today = localtime(&today2);
3837 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3839 opt_vstats_file(filename);
3842 static int opt_bsf(const char *opt, const char *arg)
3844 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3845 AVBitStreamFilterContext **bsfp;
3848 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3852 bsfp= *opt == 'v' ? &video_bitstream_filters :
3853 *opt == 'a' ? &audio_bitstream_filters :
3854 &subtitle_bitstream_filters;
3856 bsfp= &(*bsfp)->next;
3863 static int opt_preset(const char *opt, const char *arg)
3866 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3868 const char *base[2]= { getenv("HOME"),
3871 for(i=!base[0]; i<2 && !f; i++){
3872 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3873 f= fopen(filename, "r");
3875 char *codec_name= *opt == 'v' ? video_codec_name :
3876 *opt == 'a' ? audio_codec_name :
3877 subtitle_codec_name;
3878 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3879 f= fopen(filename, "r");
3882 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3884 av_strlcpy(filename, arg, sizeof(filename));
3885 f= fopen(filename, "r");
3889 fprintf(stderr, "File for preset '%s' not found\n", arg);
3894 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3895 if(line[0] == '#' && !e)
3897 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3899 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3902 if(!strcmp(tmp, "acodec")){
3903 opt_audio_codec(tmp2);
3904 }else if(!strcmp(tmp, "vcodec")){
3905 opt_video_codec(tmp2);
3906 }else if(!strcmp(tmp, "scodec")){
3907 opt_subtitle_codec(tmp2);
3908 }else if(opt_default(tmp, tmp2) < 0){
3909 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3919 static const OptionDef options[] = {
3921 { "renegotiate", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&renegotiate}, "renegotiate after several video frames", "number" },
3922 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3923 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3924 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3925 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3926 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3927 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3928 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3929 { "contract_label", HAS_ARG, {(void*)opt_contract_label}, "contract label", "label" },
3930 { "direct", OPT_BOOL, {(void*)&o_direct}, "write to output file using direct I/O (O_DIRECT)" },
3931 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3932 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3933 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3934 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3935 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3936 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3937 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3938 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3939 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3940 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3941 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3942 "add timings for benchmarking" },
3943 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3944 "dump each input packet" },
3945 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3946 "when dumping packets, also dump the payload" },
3947 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3948 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3949 { "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)", "" },
3950 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3951 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3952 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3953 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3954 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3955 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3956 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3957 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3958 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3959 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3960 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3961 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3962 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3963 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3966 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3967 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3968 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3969 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3970 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3971 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3972 { "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" },
3973 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3974 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3975 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3976 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3977 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3978 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3979 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3980 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3981 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3982 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3983 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3984 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3985 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3986 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3987 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3988 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3989 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3990 "use same video quality as source (implies VBR)" },
3991 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3992 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3993 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3994 "deinterlace pictures" },
3995 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3996 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3997 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3998 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3999 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4000 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4001 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4002 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4003 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4004 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4005 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4008 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4009 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4010 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4011 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4012 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4013 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4014 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4015 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4016 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4017 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4018 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4019 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4021 /* subtitle options */
4022 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4023 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4024 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4025 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4026 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4029 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4030 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4031 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4034 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4035 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4037 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4038 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4039 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4041 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4042 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4043 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4045 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4049 #ifdef CONFIG_FFMPEG_WITH_FRSH
4050 void *av_encode_thread(void *arg)
4053 frsh_thread_id_t thread_id;
4055 /* bind this thread to vres */
4056 thread_id = fosa_thread_self();
4057 PXW(frsh_thread_bind(disk_vres, thread_id));
4059 ret = av_encode(output_files, nb_output_files,
4060 input_files, nb_input_files,
4061 stream_maps, nb_stream_maps);
4062 return (void*)(intptr_t)ret;
4067 frsh_thread_attr_t frsh_attr;
4068 frsh_thread_id_t thread;
4069 frsh_rel_time_t cpu_budget, cpu_period;
4071 frsh_rel_time_t disk_budget, disk_period;
4075 cpu_budget = fosa_msec_to_rel_time(5);
4076 cpu_period = fosa_msec_to_rel_time(1000/30);
4079 #define DISK_THROUGHPUT 20277LLU /* units??? probably MB/s */
4080 disk_budget = fosa_nsec_to_rel_time(1000000000LLU/*nsec/s*/ * 500000 /*bytes/s*/
4081 / (DISK_THROUGHPUT*1000000) /* bytes */); // is this correct?
4083 disk_budget = fosa_msec_to_rel_time(1);
4085 disk_period = fosa_msec_to_rel_time(1000/30);
4087 /* Contract negotiation for CPU */
4088 ret = frsh_contract_init(&cpu_contract);
4089 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
4091 ret = frsh_contract_set_basic_params(&cpu_contract,
4096 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4097 ret = frsh_contract_set_resource_and_label(&cpu_contract,
4098 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, contract_label);
4099 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4101 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
4102 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate cpu");
4103 printf("Aqcpu vres negotiated\n");
4105 /* Contract negotiation for Disk */
4106 ret = frsh_contract_init(&disk_contract);
4107 if (ret) PERROR_AND_EXIT(ret, "DISK:frsh_contract_init");
4109 ret = frsh_contract_set_basic_params(&disk_contract,
4112 FRSH_WT_INDETERMINATE,
4114 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
4115 ret = frsh_contract_set_resource_and_label(&disk_contract,
4116 FRSH_RT_DISK, 0, strstr(output_files[0]->filename, "://") == NULL ?
4117 output_files[0]->filename : input_files[0]->filename);
4118 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
4120 ret = frsh_contract_negotiate(&disk_contract, &disk_vres);
4121 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate disk");
4122 printf("Disk vres negotiated\n");
4124 pthread_attr_init(&frsh_attr);
4125 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
4126 av_encode_thread, (void*) NULL);
4127 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
4129 pthread_join(thread.pthread_id, (void**) NULL);
4131 printf("Ending contracts\n");
4133 ret = frsh_contract_cancel(cpu_vres);
4134 ret = frsh_contract_cancel(disk_vres);
4135 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
4137 printf("Finishing\n");
4140 #endif /* CONFIG_FFMPEG_WITH_FRSH */
4142 void flush_buffered_frames(AVFormatContext *s)
4145 while ((pktl = s->packet_buffer)) {
4146 av_free_packet(&pktl->pkt);
4147 s->packet_buffer = pktl->next;
4152 int main(int argc, char **argv)
4157 avcodec_register_all();
4158 avdevice_register_all();
4161 if(isatty(STDIN_FILENO))
4162 url_set_interrupt_cb(decode_interrupt_cb);
4164 for(i=0; i<CODEC_TYPE_NB; i++){
4165 avcodec_opts[i]= avcodec_alloc_context2(i);
4167 avformat_opts = avformat_alloc_context();
4168 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
4172 #if CONFIG_FFMPEG_WITH_FRSH
4176 printf("FRSH initialized\n");
4181 parse_options(argc, argv, options, opt_output_file);
4183 if (nb_input_files == 0) {
4184 opt_input_file("sdp.txt");
4187 /* file converter / grab */
4188 if (nb_output_files <= 0) {
4190 opt_output_file("stream.mp4");
4193 for (i=0; i<nb_input_files; i++)
4194 flush_buffered_frames(input_files[i]);
4197 #if CONFIG_FFMPEG_WITH_FRSH
4198 if (frsh_stuff() < 0)
4201 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4202 stream_maps, nb_stream_maps) < 0)
4205 ti = getutime() - ti;
4207 printf("bench: utime=%0.3fs\n", ti / 1000000.0);