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
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 "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.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
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
81 int sync_stream_index;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
90 static const OptionDef options[];
94 static const char *last_asked_format = NULL;
95 static AVFormatContext *input_files[MAX_FILES];
96 static int64_t input_files_ts_offset[MAX_FILES];
97 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
98 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
99 static int nb_input_files = 0;
100 static int nb_icodecs;
102 static AVFormatContext *output_files[MAX_FILES];
103 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
104 static int nb_output_files = 0;
105 static int nb_ocodecs;
107 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
108 static int nb_stream_maps;
110 static AVMetaDataMap meta_data_maps[MAX_FILES];
111 static int nb_meta_data_maps;
113 static int frame_width = 0;
114 static int frame_height = 0;
115 static float frame_aspect_ratio = 0;
116 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 static int frame_padtop = 0;
119 static int frame_padbottom = 0;
120 static int frame_padleft = 0;
121 static int frame_padright = 0;
122 static int padcolor[3] = {16,128,128}; /* default to black */
123 static int frame_topBand = 0;
124 static int frame_bottomBand = 0;
125 static int frame_leftBand = 0;
126 static int frame_rightBand = 0;
127 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 static AVRational frame_rate;
129 static float video_qscale = 0;
130 static uint16_t *intra_matrix = NULL;
131 static uint16_t *inter_matrix = NULL;
132 static const char *video_rc_override_string=NULL;
133 static int video_disable = 0;
134 static int video_discard = 0;
135 static char *video_codec_name = NULL;
136 static int video_codec_tag = 0;
137 static char *video_language = NULL;
138 static int same_quality = 0;
139 static int do_deinterlace = 0;
140 static int top_field_first = -1;
141 static int me_threshold = 0;
142 static int intra_dc_precision = 8;
143 static int loop_input = 0;
144 static int loop_output = AVFMT_NOOUTPUTLOOP;
145 static int qp_hist = 0;
147 static int intra_only = 0;
148 static int audio_sample_rate = 44100;
149 static int64_t channel_layout = 0;
150 #define QSCALE_NONE -99999
151 static float audio_qscale = QSCALE_NONE;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static char *audio_codec_name = NULL;
155 static int audio_codec_tag = 0;
156 static char *audio_language = NULL;
158 static int subtitle_disable = 0;
159 static char *subtitle_codec_name = NULL;
160 static char *subtitle_language = NULL;
161 static int subtitle_codec_tag = 0;
163 static float mux_preload= 0.5;
164 static float mux_max_delay= 0.7;
166 static int64_t recording_time = INT64_MAX;
167 static int64_t start_time = 0;
168 static int64_t rec_timestamp = 0;
169 static int64_t input_ts_offset = 0;
170 static int file_overwrite = 0;
171 static int metadata_count;
172 static AVMetadataTag *metadata;
173 static int do_benchmark = 0;
174 static int do_hex_dump = 0;
175 static int do_pkt_dump = 0;
176 static int do_psnr = 0;
177 static int do_pass = 0;
178 static char *pass_logfilename_prefix = NULL;
179 static int audio_stream_copy = 0;
180 static int video_stream_copy = 0;
181 static int subtitle_stream_copy = 0;
182 static int video_sync_method= -1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int opt_shortest = 0;
187 static int video_global_header = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190 static int opt_programid = 0;
191 static int copy_initial_nonkeyframes = 0;
193 static int rate_emu = 0;
195 static int video_channel = 0;
196 static char *video_standard;
198 static int audio_volume = 256;
200 static int exit_on_error = 0;
201 static int using_stdin = 0;
202 static int verbose = 1;
203 static int thread_count= 1;
204 static int q_pressed = 0;
205 static int64_t video_size = 0;
206 static int64_t audio_size = 0;
207 static int64_t extra_size = 0;
208 static int nb_frames_dup = 0;
209 static int nb_frames_drop = 0;
210 static int input_sync;
211 static uint64_t limit_filesize = 0;
212 static int force_fps = 0;
214 static int pgmyuv_compatibility_hack=0;
215 static float dts_delta_threshold = 10;
217 static unsigned int sws_flags = SWS_BICUBIC;
219 static int64_t timer_start;
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
225 static short *samples;
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
234 struct AVInputStream;
236 typedef struct AVOutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* AVInputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
243 /* input pts and corresponding output pts
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct AVInputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
250 AVFrame pict_tmp; /* temporary image for resampling */
251 struct SwsContext *img_resample_ctx; /* for image resampling */
254 int resample_pix_fmt;
256 /* full frame size of first frame */
260 /* cropping area sizes */
267 /* cropping area of first frame */
268 int original_topBand;
269 int original_bottomBand;
270 int original_leftBand;
271 int original_rightBand;
273 /* padding area sizes */
282 ReSampleContext *resample; /* for audio resampling */
284 AVAudioConvert *reformat_ctx;
285 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
289 typedef struct AVInputStream {
293 int discard; /* true if stream data should be discarded */
294 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
295 int64_t sample_index; /* current sample */
297 int64_t start; /* time when read started */
298 int64_t next_pts; /* synthetic pts for cases where pkt.pts
300 int64_t pts; /* current pts */
301 int is_start; /* is 1 at the start and after a discontinuity */
304 typedef struct AVInputFile {
305 int eof_reached; /* true if eof reached */
306 int ist_index; /* index of first stream in ist_table */
307 int buffer_size; /* current total buffer size */
308 int nb_streams; /* nb streams we are aware of */
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
317 static void term_exit(void)
320 tcsetattr (0, TCSANOW, &oldtty);
324 static volatile int received_sigterm = 0;
327 sigterm_handler(int sig)
329 received_sigterm = sig;
333 static void term_init(void)
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
355 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
357 register a function to be called at normal program termination
360 #if CONFIG_BEOS_NETSERVER
361 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
365 /* read a key without blocking */
366 static int read_key(void)
371 #if !CONFIG_BEOS_NETSERVER
379 n = select(1, &rfds, NULL, NULL, &tv);
395 static int decode_interrupt_cb(void)
397 return q_pressed || (q_pressed = read_key() == 'q');
400 static int av_exit(int ret)
405 for(i=0;i<nb_output_files;i++) {
406 /* maybe av_close_output_file ??? */
407 AVFormatContext *s = output_files[i];
409 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
411 for(j=0;j<s->nb_streams;j++) {
412 av_metadata_free(&s->streams[j]->metadata);
413 av_free(s->streams[j]->codec);
414 av_free(s->streams[j]);
416 for(j=0;j<s->nb_programs;j++) {
417 av_metadata_free(&s->programs[j]->metadata);
419 for(j=0;j<s->nb_chapters;j++) {
420 av_metadata_free(&s->chapters[j]->metadata);
422 av_metadata_free(&s->metadata);
425 for(i=0;i<nb_input_files;i++)
426 av_close_input_file(input_files[i]);
428 av_free(intra_matrix);
429 av_free(inter_matrix);
433 av_free(vstats_filename);
437 av_free(video_codec_name);
438 av_free(audio_codec_name);
439 av_free(subtitle_codec_name);
441 av_free(video_standard);
443 #if CONFIG_POWERPC_PERF
444 void powerpc_display_perf_report(void);
445 powerpc_display_perf_report();
446 #endif /* CONFIG_POWERPC_PERF */
448 for (i=0;i<CODEC_TYPE_NB;i++)
449 av_free(avcodec_opts[i]);
450 av_free(avformat_opts);
454 allocated_audio_buf_size= allocated_audio_out_size= 0;
457 if (received_sigterm) {
459 "Received signal %d: terminating.\n",
460 (int) received_sigterm);
464 exit(ret); /* not all OS-es handle main() return value */
468 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
474 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
477 /* copy stream format */
478 s->nb_streams = ic->nb_streams;
479 for(i=0;i<ic->nb_streams;i++) {
482 // FIXME: a more elegant solution is needed
483 st = av_mallocz(sizeof(AVStream));
484 memcpy(st, ic->streams[i], sizeof(AVStream));
485 st->codec = avcodec_alloc_context();
487 print_error(filename, AVERROR(ENOMEM));
490 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
493 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
495 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
498 if(!st->codec->thread_count)
499 st->codec->thread_count = 1;
500 if(st->codec->thread_count>1)
501 avcodec_thread_init(st->codec, st->codec->thread_count);
503 if(st->codec->flags & CODEC_FLAG_BITEXACT)
508 s->timestamp = av_gettime();
510 av_close_input_file(ic);
515 get_sync_ipts(const AVOutputStream *ost)
517 const AVInputStream *ist = ost->sync_ist;
518 return (double)(ist->pts - start_time)/AV_TIME_BASE;
521 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
525 AVPacket new_pkt= *pkt;
526 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
527 &new_pkt.data, &new_pkt.size,
528 pkt->data, pkt->size,
529 pkt->flags & PKT_FLAG_KEY);
532 new_pkt.destruct= av_destruct_packet;
534 fprintf(stderr, "%s failed for stream %d, codec %s",
535 bsfc->filter->name, pkt->stream_index,
536 avctx->codec ? avctx->codec->name : "copy");
546 ret= av_interleaved_write_frame(s, pkt);
548 print_error("av_interleaved_write_frame()", ret);
553 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
555 static void do_audio_out(AVFormatContext *s,
558 unsigned char *buf, int size)
561 int64_t audio_out_size, audio_buf_size;
563 int size_out, frame_bytes, ret;
564 AVCodecContext *enc= ost->st->codec;
565 AVCodecContext *dec= ist->st->codec;
566 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
567 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
568 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
570 audio_buf_size= (size + isize*dec->channels - 1) / (isize*dec->channels);
571 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
572 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
573 audio_buf_size*= osize*enc->channels;
575 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
576 if(coded_bps > 8*osize)
577 audio_out_size= audio_out_size * coded_bps / (8*osize);
578 audio_out_size += FF_MIN_BUFFER_SIZE;
580 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
581 fprintf(stderr, "Buffer sizes too large\n");
585 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
586 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
587 if (!audio_buf || !audio_out){
588 fprintf(stderr, "Out of memory in do_audio_out\n");
592 if (enc->channels != dec->channels)
593 ost->audio_resample = 1;
595 if (ost->audio_resample && !ost->resample) {
596 if (dec->sample_fmt != SAMPLE_FMT_S16)
597 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
598 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
599 enc->sample_rate, dec->sample_rate,
600 enc->sample_fmt, dec->sample_fmt,
602 if (!ost->resample) {
603 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
604 dec->channels, dec->sample_rate,
605 enc->channels, enc->sample_rate);
610 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
611 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
612 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
613 if (ost->reformat_ctx)
614 av_audio_convert_free(ost->reformat_ctx);
615 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
616 dec->sample_fmt, 1, NULL, 0);
617 if (!ost->reformat_ctx) {
618 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
619 avcodec_get_sample_fmt_name(dec->sample_fmt),
620 avcodec_get_sample_fmt_name(enc->sample_fmt));
623 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
626 if(audio_sync_method){
627 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
628 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
629 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
630 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
632 //FIXME resample delay
633 if(fabs(delta) > 50){
634 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
636 byte_delta= FFMAX(byte_delta, -size);
640 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
645 static uint8_t *input_tmp= NULL;
646 input_tmp= av_realloc(input_tmp, byte_delta + size);
648 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
651 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
653 memset(input_tmp, 0, byte_delta);
654 memcpy(input_tmp + byte_delta, buf, size);
658 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
660 }else if(audio_sync_method>1){
661 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
662 assert(ost->audio_resample);
664 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
665 // 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));
666 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
670 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
671 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
673 if (ost->audio_resample) {
675 size_out = audio_resample(ost->resample,
676 (short *)buftmp, (short *)buf,
677 size / (ist->st->codec->channels * isize));
678 size_out = size_out * enc->channels * osize;
684 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
685 const void *ibuf[6]= {buftmp};
686 void *obuf[6]= {audio_buf};
687 int istride[6]= {isize};
688 int ostride[6]= {osize};
689 int len= size_out/istride[0];
690 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
691 printf("av_audio_convert() failed\n");
697 size_out = len*osize;
700 /* now encode as many frames as possible */
701 if (enc->frame_size > 1) {
702 /* output resampled raw samples */
703 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
704 fprintf(stderr, "av_fifo_realloc2() failed\n");
707 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
709 frame_bytes = enc->frame_size * osize * enc->channels;
711 while (av_fifo_size(ost->fifo) >= frame_bytes) {
713 av_init_packet(&pkt);
715 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
717 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
719 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
722 fprintf(stderr, "Audio encoding failed\n");
726 pkt.stream_index= ost->index;
729 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
730 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
731 pkt.flags |= PKT_FLAG_KEY;
732 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
734 ost->sync_opts += enc->frame_size;
738 av_init_packet(&pkt);
740 ost->sync_opts += size_out / (osize * enc->channels);
742 /* output a pcm frame */
743 /* determine the size of the coded buffer */
746 size_out = size_out*coded_bps/8;
748 if(size_out > audio_out_size){
749 fprintf(stderr, "Internal error, buffer size too small\n");
753 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
754 ret = avcodec_encode_audio(enc, audio_out, size_out,
757 fprintf(stderr, "Audio encoding failed\n");
761 pkt.stream_index= ost->index;
764 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
765 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
766 pkt.flags |= PKT_FLAG_KEY;
767 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
771 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
775 AVPicture picture_tmp;
778 dec = ist->st->codec;
780 /* deinterlace : must be done before any resize */
781 if (do_deinterlace) {
784 /* create temporary picture */
785 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
786 buf = av_malloc(size);
790 picture2 = &picture_tmp;
791 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
793 if(avpicture_deinterlace(picture2, picture,
794 dec->pix_fmt, dec->width, dec->height) < 0) {
795 /* if error, do not deinterlace */
796 fprintf(stderr, "Deinterlacing failed\n");
805 if (picture != picture2)
806 *picture = *picture2;
810 /* we begin to correct av delay at this threshold */
811 #define AV_DELAY_MAX 0.100
813 static void do_subtitle_out(AVFormatContext *s,
819 static uint8_t *subtitle_out = NULL;
820 int subtitle_out_max_size = 1024 * 1024;
821 int subtitle_out_size, nb, i;
825 if (pts == AV_NOPTS_VALUE) {
826 fprintf(stderr, "Subtitle packets must have a pts\n");
832 enc = ost->st->codec;
835 subtitle_out = av_malloc(subtitle_out_max_size);
838 /* Note: DVB subtitle need one packet to draw them and one other
839 packet to clear them */
840 /* XXX: signal it in the codec context ? */
841 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
846 for(i = 0; i < nb; i++) {
847 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
848 // start_display_time is required to be 0
849 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
850 sub->end_display_time -= sub->start_display_time;
851 sub->start_display_time = 0;
852 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
853 subtitle_out_max_size, sub);
854 if (subtitle_out_size < 0) {
855 fprintf(stderr, "Subtitle encoding failed\n");
859 av_init_packet(&pkt);
860 pkt.stream_index = ost->index;
861 pkt.data = subtitle_out;
862 pkt.size = subtitle_out_size;
863 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
864 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
865 /* XXX: the pts correction is handled here. Maybe handling
866 it in the codec would be better */
868 pkt.pts += 90 * sub->start_display_time;
870 pkt.pts += 90 * sub->end_display_time;
872 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
876 static int bit_buffer_size= 1024*256;
877 static uint8_t *bit_buffer= NULL;
879 static void do_video_out(AVFormatContext *s,
885 int nb_frames, i, ret;
886 int64_t topBand, bottomBand, leftBand, rightBand;
887 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
888 AVFrame picture_crop_temp, picture_pad_temp;
889 AVCodecContext *enc, *dec;
891 avcodec_get_frame_defaults(&picture_crop_temp);
892 avcodec_get_frame_defaults(&picture_pad_temp);
894 enc = ost->st->codec;
895 dec = ist->st->codec;
897 /* by default, we output a single frame */
902 if(video_sync_method){
904 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
905 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
908 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
912 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
913 }else if (vdelta > 1.1)
914 nb_frames = lrintf(vdelta);
915 //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);
919 fprintf(stderr, "*** drop!\n");
920 }else if (nb_frames > 1) {
921 nb_frames_dup += nb_frames - 1;
923 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
926 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
928 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
932 if (ost->video_crop) {
933 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
934 fprintf(stderr, "error cropping picture\n");
939 formatted_picture = &picture_crop_temp;
941 formatted_picture = in_picture;
944 final_picture = formatted_picture;
945 padding_src = formatted_picture;
946 resampling_dst = &ost->pict_tmp;
947 if (ost->video_pad) {
948 final_picture = &ost->pict_tmp;
949 if (ost->video_resample) {
950 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
951 fprintf(stderr, "error padding picture\n");
956 resampling_dst = &picture_pad_temp;
960 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
961 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
962 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
964 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
965 if(!ost->video_resample)
969 if (ost->video_resample) {
971 final_picture = &ost->pict_tmp;
972 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
973 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
974 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
976 /* keep bands proportional to the frame size */
977 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
978 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
979 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
980 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
982 /* sanity check to ensure no bad band sizes sneak in */
983 assert(topBand <= INT_MAX && topBand >= 0);
984 assert(bottomBand <= INT_MAX && bottomBand >= 0);
985 assert(leftBand <= INT_MAX && leftBand >= 0);
986 assert(rightBand <= INT_MAX && rightBand >= 0);
988 ost->topBand = topBand;
989 ost->bottomBand = bottomBand;
990 ost->leftBand = leftBand;
991 ost->rightBand = rightBand;
993 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
994 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
995 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
997 /* initialize a new scaler context */
998 sws_freeContext(ost->img_resample_ctx);
999 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1000 ost->img_resample_ctx = sws_getContext(
1001 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1002 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1003 ist->st->codec->pix_fmt,
1004 ost->st->codec->width - (ost->padleft + ost->padright),
1005 ost->st->codec->height - (ost->padtop + ost->padbottom),
1006 ost->st->codec->pix_fmt,
1007 sws_flags, NULL, NULL, NULL);
1008 if (ost->img_resample_ctx == NULL) {
1009 fprintf(stderr, "Cannot get resampling context\n");
1013 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1014 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1017 if (ost->video_pad) {
1018 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1019 enc->height, enc->width, enc->pix_fmt,
1020 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1023 /* duplicates frame if needed */
1024 for(i=0;i<nb_frames;i++) {
1026 av_init_packet(&pkt);
1027 pkt.stream_index= ost->index;
1029 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1030 /* raw pictures are written as AVPicture structure to
1031 avoid any copies. We support temorarily the older
1033 AVFrame* old_frame = enc->coded_frame;
1034 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1035 pkt.data= (uint8_t *)final_picture;
1036 pkt.size= sizeof(AVPicture);
1037 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1038 pkt.flags |= PKT_FLAG_KEY;
1040 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1041 enc->coded_frame = old_frame;
1043 AVFrame big_picture;
1045 big_picture= *final_picture;
1046 /* better than nothing: use input picture interlaced
1048 big_picture.interlaced_frame = in_picture->interlaced_frame;
1049 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1050 if(top_field_first == -1)
1051 big_picture.top_field_first = in_picture->top_field_first;
1053 big_picture.top_field_first = top_field_first;
1056 /* handles sameq here. This is not correct because it may
1057 not be a global option */
1059 big_picture.quality = ist->st->quality;
1061 big_picture.quality = ost->st->quality;
1063 big_picture.pict_type = 0;
1064 // big_picture.pts = AV_NOPTS_VALUE;
1065 big_picture.pts= ost->sync_opts;
1066 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1067 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1068 ret = avcodec_encode_video(enc,
1069 bit_buffer, bit_buffer_size,
1072 fprintf(stderr, "Video encoding failed\n");
1077 pkt.data= bit_buffer;
1079 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1080 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1081 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1082 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1083 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1085 if(enc->coded_frame->key_frame)
1086 pkt.flags |= PKT_FLAG_KEY;
1087 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1090 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1091 // enc->frame_number-1, ret, enc->pict_type);
1092 /* if two pass, output log */
1093 if (ost->logfile && enc->stats_out) {
1094 fprintf(ost->logfile, "%s", enc->stats_out);
1099 ost->frame_number++;
1103 static double psnr(double d){
1104 return -10.0*log(d)/log(10.0);
1107 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1110 AVCodecContext *enc;
1112 double ti1, bitrate, avg_bitrate;
1114 /* this is executed just the first time do_video_stats is called */
1116 vstats_file = fopen(vstats_filename, "w");
1123 enc = ost->st->codec;
1124 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1125 frame_number = ost->frame_number;
1126 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1127 if (enc->flags&CODEC_FLAG_PSNR)
1128 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1130 fprintf(vstats_file,"f_size= %6d ", frame_size);
1131 /* compute pts value */
1132 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1136 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1137 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1138 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1139 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1140 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1144 static void print_report(AVFormatContext **output_files,
1145 AVOutputStream **ost_table, int nb_ostreams,
1149 AVOutputStream *ost;
1150 AVFormatContext *oc;
1152 AVCodecContext *enc;
1153 int frame_number, vid, i;
1154 double bitrate, ti1, pts;
1155 static int64_t last_time = -1;
1156 static int qp_histogram[52];
1158 if (!is_last_report) {
1160 /* display the report every 0.5 seconds */
1161 cur_time = av_gettime();
1162 if (last_time == -1) {
1163 last_time = cur_time;
1166 if ((cur_time - last_time) < 500000)
1168 last_time = cur_time;
1172 oc = output_files[0];
1174 total_size = url_fsize(oc->pb);
1175 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1176 total_size= url_ftell(oc->pb);
1181 for(i=0;i<nb_ostreams;i++) {
1183 enc = ost->st->codec;
1184 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1185 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1186 !ost->st->stream_copy ?
1187 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1189 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1190 float t = (av_gettime()-timer_start) / 1000000.0;
1192 frame_number = ost->frame_number;
1193 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1194 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1195 !ost->st->stream_copy ?
1196 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1198 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1201 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1202 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1205 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1207 if (enc->flags&CODEC_FLAG_PSNR){
1209 double error, error_sum=0;
1210 double scale, scale_sum=0;
1211 char type[3]= {'Y','U','V'};
1212 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1215 error= enc->error[j];
1216 scale= enc->width*enc->height*255.0*255.0*frame_number;
1218 error= enc->coded_frame->error[j];
1219 scale= enc->width*enc->height*255.0*255.0;
1224 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1226 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1230 /* compute min output value */
1231 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1232 if ((pts < ti1) && (pts > 0))
1238 if (verbose || is_last_report) {
1239 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1241 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1242 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1243 (double)total_size / 1024, ti1, bitrate);
1245 if (nb_frames_dup || nb_frames_drop)
1246 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1247 nb_frames_dup, nb_frames_drop);
1250 fprintf(stderr, "%s \r", buf);
1255 if (is_last_report && verbose >= 0){
1256 int64_t raw= audio_size + video_size + extra_size;
1257 fprintf(stderr, "\n");
1258 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1262 100.0*(total_size - raw)/raw
1267 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1268 static int output_packet(AVInputStream *ist, int ist_index,
1269 AVOutputStream **ost_table, int nb_ostreams,
1270 const AVPacket *pkt)
1272 AVFormatContext *os;
1273 AVOutputStream *ost;
1276 int data_size, got_picture;
1278 void *buffer_to_free;
1279 static unsigned int samples_size= 0;
1280 AVSubtitle subtitle, *subtitle_to_free;
1283 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1285 if(ist->next_pts == AV_NOPTS_VALUE)
1286 ist->next_pts= ist->pts;
1290 av_init_packet(&avpkt);
1298 if(pkt->dts != AV_NOPTS_VALUE)
1299 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1301 //while we have more to decode or while the decoder did output something on EOF
1302 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1304 ist->pts= ist->next_pts;
1306 if(avpkt.size && avpkt.size != pkt->size &&
1307 !(ist->st->codec->codec->capabilities & CODEC_CAP_SUBFRAMES) && verbose>0)
1308 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1310 /* decode the packet if needed */
1311 data_buf = NULL; /* fail safe */
1313 subtitle_to_free = NULL;
1314 if (ist->decoding_needed) {
1315 switch(ist->st->codec->codec_type) {
1316 case CODEC_TYPE_AUDIO:{
1317 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1318 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1320 samples= av_malloc(samples_size);
1322 data_size= samples_size;
1323 /* XXX: could avoid copy if PCM 16 bits with same
1324 endianness as CPU */
1325 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1331 /* Some bug in mpeg audio decoder gives */
1332 /* data_size < 0, it seems they are overflows */
1333 if (data_size <= 0) {
1334 /* no audio frame */
1337 data_buf = (uint8_t *)samples;
1338 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * data_size) /
1339 (ist->st->codec->sample_rate * ist->st->codec->channels);
1341 case CODEC_TYPE_VIDEO:
1342 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1343 /* XXX: allocate picture correctly */
1344 avcodec_get_frame_defaults(&picture);
1346 ret = avcodec_decode_video2(ist->st->codec,
1347 &picture, &got_picture, &avpkt);
1348 ist->st->quality= picture.quality;
1352 /* no picture yet */
1353 goto discard_packet;
1355 if (ist->st->codec->time_base.num != 0) {
1356 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1357 ist->next_pts += ((int64_t)AV_TIME_BASE *
1358 ist->st->codec->time_base.num * ticks) /
1359 ist->st->codec->time_base.den;
1363 case CODEC_TYPE_SUBTITLE:
1364 ret = avcodec_decode_subtitle2(ist->st->codec,
1365 &subtitle, &got_subtitle, &avpkt);
1368 if (!got_subtitle) {
1369 goto discard_packet;
1371 subtitle_to_free = &subtitle;
1378 switch(ist->st->codec->codec_type) {
1379 case CODEC_TYPE_AUDIO:
1380 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1381 ist->st->codec->sample_rate;
1383 case CODEC_TYPE_VIDEO:
1384 if (ist->st->codec->time_base.num != 0) {
1385 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1386 ist->next_pts += ((int64_t)AV_TIME_BASE *
1387 ist->st->codec->time_base.num * ticks) /
1388 ist->st->codec->time_base.den;
1392 data_buf = avpkt.data;
1393 data_size = avpkt.size;
1398 buffer_to_free = NULL;
1399 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1400 pre_process_video_frame(ist, (AVPicture *)&picture,
1404 // preprocess audio (volume)
1405 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1406 if (audio_volume != 256) {
1409 for(i=0;i<(data_size / sizeof(short));i++) {
1410 int v = ((*volp) * audio_volume + 128) >> 8;
1411 if (v < -32768) v = -32768;
1412 if (v > 32767) v = 32767;
1418 /* frame rate emulation */
1420 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1421 int64_t now = av_gettime() - ist->start;
1426 /* if output time reached then transcode raw format,
1427 encode packets and output them */
1428 if (start_time == 0 || ist->pts >= start_time)
1429 for(i=0;i<nb_ostreams;i++) {
1433 if (ost->source_index == ist_index) {
1434 os = output_files[ost->file_index];
1436 /* set the input output pts pairs */
1437 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1439 if (ost->encoding_needed) {
1440 switch(ost->st->codec->codec_type) {
1441 case CODEC_TYPE_AUDIO:
1442 do_audio_out(os, ost, ist, data_buf, data_size);
1444 case CODEC_TYPE_VIDEO:
1445 do_video_out(os, ost, ist, &picture, &frame_size);
1446 if (vstats_filename && frame_size)
1447 do_video_stats(os, ost, frame_size);
1449 case CODEC_TYPE_SUBTITLE:
1450 do_subtitle_out(os, ost, ist, &subtitle,
1457 AVFrame avframe; //FIXME/XXX remove this
1459 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1461 av_init_packet(&opkt);
1463 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1466 /* no reencoding needed : output the packet directly */
1467 /* force the input stream PTS */
1469 avcodec_get_frame_defaults(&avframe);
1470 ost->st->codec->coded_frame= &avframe;
1471 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1473 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1474 audio_size += data_size;
1475 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1476 video_size += data_size;
1480 opkt.stream_index= ost->index;
1481 if(pkt->pts != AV_NOPTS_VALUE)
1482 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1484 opkt.pts= AV_NOPTS_VALUE;
1486 if (pkt->dts == AV_NOPTS_VALUE)
1487 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1489 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1490 opkt.dts -= ost_tb_start_time;
1492 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1493 opkt.flags= pkt->flags;
1495 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1496 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1497 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1498 opkt.destruct= av_destruct_packet;
1500 opkt.data = data_buf;
1501 opkt.size = data_size;
1504 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1505 ost->st->codec->frame_number++;
1506 ost->frame_number++;
1507 av_free_packet(&opkt);
1511 av_free(buffer_to_free);
1512 /* XXX: allocate the subtitles in the codec ? */
1513 if (subtitle_to_free) {
1514 if (subtitle_to_free->rects != NULL) {
1515 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1516 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1517 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1518 av_freep(&subtitle_to_free->rects[i]);
1520 av_freep(&subtitle_to_free->rects);
1522 subtitle_to_free->num_rects = 0;
1523 subtitle_to_free = NULL;
1530 for(i=0;i<nb_ostreams;i++) {
1532 if (ost->source_index == ist_index) {
1533 AVCodecContext *enc= ost->st->codec;
1534 os = output_files[ost->file_index];
1536 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1538 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1541 if (ost->encoding_needed) {
1545 av_init_packet(&pkt);
1546 pkt.stream_index= ost->index;
1548 switch(ost->st->codec->codec_type) {
1549 case CODEC_TYPE_AUDIO:
1550 fifo_bytes = av_fifo_size(ost->fifo);
1552 /* encode any samples remaining in fifo */
1553 if (fifo_bytes > 0) {
1554 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1555 int fs_tmp = enc->frame_size;
1557 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1558 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1559 enc->frame_size = fifo_bytes / (osize * enc->channels);
1561 int frame_bytes = enc->frame_size*osize*enc->channels;
1562 if (samples_size < frame_bytes)
1564 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1567 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1568 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1569 ost->st->time_base.num, enc->sample_rate);
1570 enc->frame_size = fs_tmp;
1573 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1576 fprintf(stderr, "Audio encoding failed\n");
1580 pkt.flags |= PKT_FLAG_KEY;
1582 case CODEC_TYPE_VIDEO:
1583 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1585 fprintf(stderr, "Video encoding failed\n");
1589 if(enc->coded_frame && enc->coded_frame->key_frame)
1590 pkt.flags |= PKT_FLAG_KEY;
1591 if (ost->logfile && enc->stats_out) {
1592 fprintf(ost->logfile, "%s", enc->stats_out);
1601 pkt.data= bit_buffer;
1603 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1604 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1605 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1617 static void print_sdp(AVFormatContext **avc, int n)
1621 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1622 printf("SDP:\n%s\n", sdp);
1626 static int stream_index_from_inputs(AVFormatContext **input_files,
1628 AVInputFile *file_table,
1629 AVInputStream **ist_table,
1630 enum CodecType type,
1634 for(z=0; z<nb_input_files; z++) {
1635 AVFormatContext *ic = input_files[z];
1636 for(p=0; p<ic->nb_programs; p++) {
1637 AVProgram *program = ic->programs[p];
1638 if(program->id != programid)
1640 for(q=0; q<program->nb_stream_indexes; q++) {
1641 int sidx = program->stream_index[q];
1642 int ris = file_table[z].ist_index + sidx;
1643 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1653 * The following code is the main loop of the file converter
1655 static int av_encode(AVFormatContext **output_files,
1656 int nb_output_files,
1657 AVFormatContext **input_files,
1659 AVStreamMap *stream_maps, int nb_stream_maps)
1661 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1662 AVFormatContext *is, *os;
1663 AVCodecContext *codec, *icodec;
1664 AVOutputStream *ost, **ost_table = NULL;
1665 AVInputStream *ist, **ist_table = NULL;
1666 AVInputFile *file_table;
1670 uint8_t no_packet[MAX_FILES]={0};
1671 int no_packet_count=0;
1673 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1677 /* input stream init */
1679 for(i=0;i<nb_input_files;i++) {
1680 is = input_files[i];
1681 file_table[i].ist_index = j;
1682 file_table[i].nb_streams = is->nb_streams;
1683 j += is->nb_streams;
1687 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1691 for(i=0;i<nb_istreams;i++) {
1692 ist = av_mallocz(sizeof(AVInputStream));
1698 for(i=0;i<nb_input_files;i++) {
1699 is = input_files[i];
1700 for(k=0;k<is->nb_streams;k++) {
1701 ist = ist_table[j++];
1702 ist->st = is->streams[k];
1703 ist->file_index = i;
1705 ist->discard = 1; /* the stream is discarded by default
1709 ist->start = av_gettime();
1714 /* output stream init */
1716 for(i=0;i<nb_output_files;i++) {
1717 os = output_files[i];
1718 if (!os->nb_streams) {
1719 dump_format(output_files[i], i, output_files[i]->filename, 1);
1720 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1723 nb_ostreams += os->nb_streams;
1725 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1726 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1730 /* Sanity check the mapping args -- do the input files & streams exist? */
1731 for(i=0;i<nb_stream_maps;i++) {
1732 int fi = stream_maps[i].file_index;
1733 int si = stream_maps[i].stream_index;
1735 if (fi < 0 || fi > nb_input_files - 1 ||
1736 si < 0 || si > file_table[fi].nb_streams - 1) {
1737 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1740 fi = stream_maps[i].sync_file_index;
1741 si = stream_maps[i].sync_stream_index;
1742 if (fi < 0 || fi > nb_input_files - 1 ||
1743 si < 0 || si > file_table[fi].nb_streams - 1) {
1744 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1749 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1752 for(i=0;i<nb_ostreams;i++) {
1753 ost = av_mallocz(sizeof(AVOutputStream));
1760 for(k=0;k<nb_output_files;k++) {
1761 os = output_files[k];
1762 for(i=0;i<os->nb_streams;i++,n++) {
1765 ost->file_index = k;
1767 ost->st = os->streams[i];
1768 if (nb_stream_maps > 0) {
1769 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1770 stream_maps[n].stream_index;
1772 /* Sanity check that the stream types match */
1773 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1774 int i= ost->file_index;
1775 dump_format(output_files[i], i, output_files[i]->filename, 1);
1776 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1777 stream_maps[n].file_index, stream_maps[n].stream_index,
1778 ost->file_index, ost->index);
1785 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1787 ost->source_index = j;
1791 /* get corresponding input stream index : we select the first one with the right type */
1793 for(j=0;j<nb_istreams;j++) {
1796 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1797 ost->source_index = j;
1805 if(! opt_programid) {
1806 /* try again and reuse existing stream */
1807 for(j=0;j<nb_istreams;j++) {
1809 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1810 ost->source_index = j;
1816 int i= ost->file_index;
1817 dump_format(output_files[i], i, output_files[i]->filename, 1);
1818 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1819 ost->file_index, ost->index);
1824 ist = ist_table[ost->source_index];
1826 ost->sync_ist = (nb_stream_maps > 0) ?
1827 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1828 stream_maps[n].sync_stream_index] : ist;
1832 /* for each output stream, we compute the right encoding parameters */
1833 for(i=0;i<nb_ostreams;i++) {
1834 AVMetadataTag *lang;
1836 os = output_files[ost->file_index];
1837 ist = ist_table[ost->source_index];
1839 codec = ost->st->codec;
1840 icodec = ist->st->codec;
1842 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1843 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1844 av_metadata_set(&ost->st->metadata, "language", lang->value);
1846 ost->st->disposition = ist->st->disposition;
1847 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1848 codec->chroma_sample_location = icodec->chroma_sample_location;
1850 if (ost->st->stream_copy) {
1851 /* if stream_copy is selected, no need to decode or encode */
1852 codec->codec_id = icodec->codec_id;
1853 codec->codec_type = icodec->codec_type;
1855 if(!codec->codec_tag){
1856 if( !os->oformat->codec_tag
1857 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1858 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1859 codec->codec_tag = icodec->codec_tag;
1862 codec->bit_rate = icodec->bit_rate;
1863 codec->extradata= icodec->extradata;
1864 codec->extradata_size= icodec->extradata_size;
1865 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){
1866 codec->time_base = icodec->time_base;
1867 codec->time_base.num *= icodec->ticks_per_frame;
1869 codec->time_base = ist->st->time_base;
1870 switch(codec->codec_type) {
1871 case CODEC_TYPE_AUDIO:
1872 if(audio_volume != 256) {
1873 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1876 codec->channel_layout = icodec->channel_layout;
1877 codec->sample_rate = icodec->sample_rate;
1878 codec->channels = icodec->channels;
1879 codec->frame_size = icodec->frame_size;
1880 codec->block_align= icodec->block_align;
1881 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1882 codec->block_align= 0;
1883 if(codec->codec_id == CODEC_ID_AC3)
1884 codec->block_align= 0;
1886 case CODEC_TYPE_VIDEO:
1887 codec->pix_fmt = icodec->pix_fmt;
1888 codec->width = icodec->width;
1889 codec->height = icodec->height;
1890 codec->has_b_frames = icodec->has_b_frames;
1892 case CODEC_TYPE_SUBTITLE:
1893 codec->width = icodec->width;
1894 codec->height = icodec->height;
1900 switch(codec->codec_type) {
1901 case CODEC_TYPE_AUDIO:
1902 ost->fifo= av_fifo_alloc(1024);
1905 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1906 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1907 icodec->request_channels = codec->channels;
1908 ist->decoding_needed = 1;
1909 ost->encoding_needed = 1;
1911 case CODEC_TYPE_VIDEO:
1912 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1913 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1916 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1917 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1918 ost->video_resample = ((codec->width != icodec->width -
1919 (frame_leftBand + frame_rightBand) +
1920 (frame_padleft + frame_padright)) ||
1921 (codec->height != icodec->height -
1922 (frame_topBand + frame_bottomBand) +
1923 (frame_padtop + frame_padbottom)) ||
1924 (codec->pix_fmt != icodec->pix_fmt));
1925 if (ost->video_crop) {
1926 ost->topBand = ost->original_topBand = frame_topBand;
1927 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1928 ost->leftBand = ost->original_leftBand = frame_leftBand;
1929 ost->rightBand = ost->original_rightBand = frame_rightBand;
1931 if (ost->video_pad) {
1932 ost->padtop = frame_padtop;
1933 ost->padleft = frame_padleft;
1934 ost->padbottom = frame_padbottom;
1935 ost->padright = frame_padright;
1936 if (!ost->video_resample) {
1937 avcodec_get_frame_defaults(&ost->pict_tmp);
1938 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1939 codec->width, codec->height))
1943 if (ost->video_resample) {
1944 avcodec_get_frame_defaults(&ost->pict_tmp);
1945 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1946 codec->width, codec->height)) {
1947 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1950 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1951 ost->img_resample_ctx = sws_getContext(
1952 icodec->width - (frame_leftBand + frame_rightBand),
1953 icodec->height - (frame_topBand + frame_bottomBand),
1955 codec->width - (frame_padleft + frame_padright),
1956 codec->height - (frame_padtop + frame_padbottom),
1958 sws_flags, NULL, NULL, NULL);
1959 if (ost->img_resample_ctx == NULL) {
1960 fprintf(stderr, "Cannot get resampling context\n");
1964 ost->original_height = icodec->height;
1965 ost->original_width = icodec->width;
1967 codec->bits_per_raw_sample= 0;
1969 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1970 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1971 ost->resample_pix_fmt= icodec->pix_fmt;
1972 ost->encoding_needed = 1;
1973 ist->decoding_needed = 1;
1975 case CODEC_TYPE_SUBTITLE:
1976 ost->encoding_needed = 1;
1977 ist->decoding_needed = 1;
1984 if (ost->encoding_needed &&
1985 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1986 char logfilename[1024];
1991 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1992 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1994 if (codec->flags & CODEC_FLAG_PASS1) {
1995 f = fopen(logfilename, "w");
1997 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2002 /* read the log file */
2003 f = fopen(logfilename, "r");
2005 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2008 fseek(f, 0, SEEK_END);
2010 fseek(f, 0, SEEK_SET);
2011 logbuffer = av_malloc(size + 1);
2013 fprintf(stderr, "Could not allocate log buffer\n");
2016 size = fread(logbuffer, 1, size, f);
2018 logbuffer[size] = '\0';
2019 codec->stats_in = logbuffer;
2023 if(codec->codec_type == CODEC_TYPE_VIDEO){
2024 int size= codec->width * codec->height;
2025 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2030 bit_buffer = av_malloc(bit_buffer_size);
2032 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2034 ret = AVERROR(ENOMEM);
2038 /* open each encoder */
2039 for(i=0;i<nb_ostreams;i++) {
2041 if (ost->encoding_needed) {
2042 AVCodec *codec = output_codecs[i];
2044 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2046 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2047 ost->st->codec->codec_id, ost->file_index, ost->index);
2048 ret = AVERROR(EINVAL);
2051 if (avcodec_open(ost->st->codec, codec) < 0) {
2052 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2053 ost->file_index, ost->index);
2054 ret = AVERROR(EINVAL);
2057 extra_size += ost->st->codec->extradata_size;
2061 /* open each decoder */
2062 for(i=0;i<nb_istreams;i++) {
2064 if (ist->decoding_needed) {
2065 AVCodec *codec = input_codecs[i];
2067 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2069 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2070 ist->st->codec->codec_id, ist->file_index, ist->index);
2071 ret = AVERROR(EINVAL);
2074 if (avcodec_open(ist->st->codec, codec) < 0) {
2075 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2076 ist->file_index, ist->index);
2077 ret = AVERROR(EINVAL);
2080 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2081 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2086 for(i=0;i<nb_istreams;i++) {
2089 ist->next_pts = AV_NOPTS_VALUE;
2093 /* set meta data information from input file if required */
2094 for (i=0;i<nb_meta_data_maps;i++) {
2095 AVFormatContext *out_file;
2096 AVFormatContext *in_file;
2097 AVMetadataTag *mtag;
2099 int out_file_index = meta_data_maps[i].out_file;
2100 int in_file_index = meta_data_maps[i].in_file;
2101 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2102 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2103 out_file_index, out_file_index, in_file_index);
2104 ret = AVERROR(EINVAL);
2107 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2108 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2109 in_file_index, out_file_index, in_file_index);
2110 ret = AVERROR(EINVAL);
2114 out_file = output_files[out_file_index];
2115 in_file = input_files[in_file_index];
2119 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2120 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2121 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2122 in_file->iformat->metadata_conv);
2125 /* open files and write file headers */
2126 for(i=0;i<nb_output_files;i++) {
2127 os = output_files[i];
2128 if (av_write_header(os) < 0) {
2129 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2130 ret = AVERROR(EINVAL);
2133 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2139 /* dump the file output parameters - cannot be done before in case
2141 for(i=0;i<nb_output_files;i++) {
2142 dump_format(output_files[i], i, output_files[i]->filename, 1);
2145 /* dump the stream mapping */
2147 fprintf(stderr, "Stream mapping:\n");
2148 for(i=0;i<nb_ostreams;i++) {
2150 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2151 ist_table[ost->source_index]->file_index,
2152 ist_table[ost->source_index]->index,
2155 if (ost->sync_ist != ist_table[ost->source_index])
2156 fprintf(stderr, " [sync #%d.%d]",
2157 ost->sync_ist->file_index,
2158 ost->sync_ist->index);
2159 fprintf(stderr, "\n");
2164 fprintf(stderr, "%s\n", error);
2169 print_sdp(output_files, nb_output_files);
2172 if (!using_stdin && verbose >= 0) {
2173 fprintf(stderr, "Press [q] to stop encoding\n");
2174 url_set_interrupt_cb(decode_interrupt_cb);
2178 timer_start = av_gettime();
2180 for(; received_sigterm == 0;) {
2181 int file_index, ist_index;
2189 /* if 'q' pressed, exits */
2193 /* read_key() returns 0 on EOF */
2199 /* select the stream that we must read now by looking at the
2200 smallest output pts */
2202 for(i=0;i<nb_ostreams;i++) {
2205 os = output_files[ost->file_index];
2206 ist = ist_table[ost->source_index];
2207 if(no_packet[ist->file_index])
2209 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2210 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2212 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2213 ipts = (double)ist->pts;
2214 if (!file_table[ist->file_index].eof_reached){
2215 if(ipts < ipts_min) {
2217 if(input_sync ) file_index = ist->file_index;
2219 if(opts < opts_min) {
2221 if(!input_sync) file_index = ist->file_index;
2224 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2229 /* if none, if is finished */
2230 if (file_index < 0) {
2231 if(no_packet_count){
2233 memset(no_packet, 0, sizeof(no_packet));
2240 /* finish if recording time exhausted */
2241 if (opts_min >= (recording_time / 1000000.0))
2244 /* finish if limit size exhausted */
2245 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2248 /* read a frame from it and output it in the fifo */
2249 is = input_files[file_index];
2250 ret= av_read_frame(is, &pkt);
2251 if(ret == AVERROR(EAGAIN)){
2252 no_packet[file_index]=1;
2257 file_table[file_index].eof_reached = 1;
2265 memset(no_packet, 0, sizeof(no_packet));
2268 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2270 /* the following test is needed in case new streams appear
2271 dynamically in stream : we ignore them */
2272 if (pkt.stream_index >= file_table[file_index].nb_streams)
2273 goto discard_packet;
2274 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2275 ist = ist_table[ist_index];
2277 goto discard_packet;
2279 if (pkt.dts != AV_NOPTS_VALUE)
2280 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2281 if (pkt.pts != AV_NOPTS_VALUE)
2282 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2284 if(input_files_ts_scale[file_index][pkt.stream_index]){
2285 if(pkt.pts != AV_NOPTS_VALUE)
2286 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2287 if(pkt.dts != AV_NOPTS_VALUE)
2288 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2291 // 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);
2292 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2293 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2294 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2295 int64_t delta= pkt_dts - ist->next_pts;
2296 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2297 input_files_ts_offset[ist->file_index]-= delta;
2299 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2300 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2301 if(pkt.pts != AV_NOPTS_VALUE)
2302 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2306 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2307 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2310 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2311 ist->file_index, ist->index);
2314 av_free_packet(&pkt);
2319 av_free_packet(&pkt);
2321 /* dump report by using the output first video and audio streams */
2322 print_report(output_files, ost_table, nb_ostreams, 0);
2325 /* at the end of stream, we must flush the decoder buffers */
2326 for(i=0;i<nb_istreams;i++) {
2328 if (ist->decoding_needed) {
2329 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2335 /* write the trailer if needed and close file */
2336 for(i=0;i<nb_output_files;i++) {
2337 os = output_files[i];
2338 av_write_trailer(os);
2341 /* dump report by using the first video and audio streams */
2342 print_report(output_files, ost_table, nb_ostreams, 1);
2344 /* close each encoder */
2345 for(i=0;i<nb_ostreams;i++) {
2347 if (ost->encoding_needed) {
2348 av_freep(&ost->st->codec->stats_in);
2349 avcodec_close(ost->st->codec);
2353 /* close each decoder */
2354 for(i=0;i<nb_istreams;i++) {
2356 if (ist->decoding_needed) {
2357 avcodec_close(ist->st->codec);
2365 av_freep(&bit_buffer);
2366 av_free(file_table);
2369 for(i=0;i<nb_istreams;i++) {
2376 for(i=0;i<nb_ostreams;i++) {
2380 fclose(ost->logfile);
2381 ost->logfile = NULL;
2383 av_fifo_free(ost->fifo); /* works even if fifo is not
2384 initialized but set to zero */
2385 av_free(ost->pict_tmp.data[0]);
2386 if (ost->video_resample)
2387 sws_freeContext(ost->img_resample_ctx);
2389 audio_resample_close(ost->resample);
2390 if (ost->reformat_ctx)
2391 av_audio_convert_free(ost->reformat_ctx);
2400 static void opt_format(const char *arg)
2402 /* compatibility stuff for pgmyuv */
2403 if (!strcmp(arg, "pgmyuv")) {
2404 pgmyuv_compatibility_hack=1;
2405 // opt_image_format(arg);
2407 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2410 last_asked_format = arg;
2413 static void opt_video_rc_override_string(const char *arg)
2415 video_rc_override_string = arg;
2418 static int opt_me_threshold(const char *opt, const char *arg)
2420 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2424 static int opt_verbose(const char *opt, const char *arg)
2426 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2430 static int opt_frame_rate(const char *opt, const char *arg)
2432 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2433 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2439 static int opt_bitrate(const char *opt, const char *arg)
2441 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2443 opt_default(opt, arg);
2445 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2446 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2451 static void opt_frame_crop_top(const char *arg)
2453 frame_topBand = atoi(arg);
2454 if (frame_topBand < 0) {
2455 fprintf(stderr, "Incorrect top crop size\n");
2458 if ((frame_topBand) >= frame_height){
2459 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2462 frame_height -= frame_topBand;
2465 static void opt_frame_crop_bottom(const char *arg)
2467 frame_bottomBand = atoi(arg);
2468 if (frame_bottomBand < 0) {
2469 fprintf(stderr, "Incorrect bottom crop size\n");
2472 if ((frame_bottomBand) >= frame_height){
2473 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2476 frame_height -= frame_bottomBand;
2479 static void opt_frame_crop_left(const char *arg)
2481 frame_leftBand = atoi(arg);
2482 if (frame_leftBand < 0) {
2483 fprintf(stderr, "Incorrect left crop size\n");
2486 if ((frame_leftBand) >= frame_width){
2487 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2490 frame_width -= frame_leftBand;
2493 static void opt_frame_crop_right(const char *arg)
2495 frame_rightBand = atoi(arg);
2496 if (frame_rightBand < 0) {
2497 fprintf(stderr, "Incorrect right crop size\n");
2500 if ((frame_rightBand) >= frame_width){
2501 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2504 frame_width -= frame_rightBand;
2507 static void opt_frame_size(const char *arg)
2509 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2510 fprintf(stderr, "Incorrect frame size\n");
2515 static void opt_pad_color(const char *arg) {
2516 /* Input is expected to be six hex digits similar to
2517 how colors are expressed in html tags (but without the #) */
2518 int rgb = strtol(arg, NULL, 16);
2522 g = ((rgb >> 8) & 255);
2525 padcolor[0] = RGB_TO_Y(r,g,b);
2526 padcolor[1] = RGB_TO_U(r,g,b,0);
2527 padcolor[2] = RGB_TO_V(r,g,b,0);
2530 static void opt_frame_pad_top(const char *arg)
2532 frame_padtop = atoi(arg);
2533 if (frame_padtop < 0) {
2534 fprintf(stderr, "Incorrect top pad size\n");
2539 static void opt_frame_pad_bottom(const char *arg)
2541 frame_padbottom = atoi(arg);
2542 if (frame_padbottom < 0) {
2543 fprintf(stderr, "Incorrect bottom pad size\n");
2549 static void opt_frame_pad_left(const char *arg)
2551 frame_padleft = atoi(arg);
2552 if (frame_padleft < 0) {
2553 fprintf(stderr, "Incorrect left pad size\n");
2559 static void opt_frame_pad_right(const char *arg)
2561 frame_padright = atoi(arg);
2562 if (frame_padright < 0) {
2563 fprintf(stderr, "Incorrect right pad size\n");
2568 static void opt_frame_pix_fmt(const char *arg)
2570 if (strcmp(arg, "list")) {
2571 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2572 if (frame_pix_fmt == PIX_FMT_NONE) {
2573 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2577 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2582 static void opt_frame_aspect_ratio(const char *arg)
2589 p = strchr(arg, ':');
2591 x = strtol(arg, &end, 10);
2593 y = strtol(end+1, &end, 10);
2595 ar = (double)x / (double)y;
2597 ar = strtod(arg, NULL);
2600 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2603 frame_aspect_ratio = ar;
2606 static int opt_metadata(const char *opt, const char *arg)
2608 char *mid= strchr(arg, '=');
2611 fprintf(stderr, "Missing =\n");
2617 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2618 metadata[metadata_count-1].key = av_strdup(arg);
2619 metadata[metadata_count-1].value= av_strdup(mid);
2624 static void opt_qscale(const char *arg)
2626 video_qscale = atof(arg);
2627 if (video_qscale <= 0 ||
2628 video_qscale > 255) {
2629 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2634 static void opt_top_field_first(const char *arg)
2636 top_field_first= atoi(arg);
2639 static int opt_thread_count(const char *opt, const char *arg)
2641 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2644 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2649 static void opt_audio_sample_fmt(const char *arg)
2651 if (strcmp(arg, "list"))
2652 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2654 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2659 static int opt_audio_rate(const char *opt, const char *arg)
2661 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2665 static int opt_audio_channels(const char *opt, const char *arg)
2667 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2671 static void opt_video_channel(const char *arg)
2673 video_channel = strtol(arg, NULL, 0);
2676 static void opt_video_standard(const char *arg)
2678 video_standard = av_strdup(arg);
2681 static void opt_codec(int *pstream_copy, char **pcodec_name,
2682 int codec_type, const char *arg)
2684 av_freep(pcodec_name);
2685 if (!strcmp(arg, "copy")) {
2688 *pcodec_name = av_strdup(arg);
2692 static void opt_audio_codec(const char *arg)
2694 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2697 static void opt_audio_tag(const char *arg)
2700 audio_codec_tag= strtol(arg, &tail, 0);
2703 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2706 static void opt_video_tag(const char *arg)
2709 video_codec_tag= strtol(arg, &tail, 0);
2712 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2715 static void opt_video_codec(const char *arg)
2717 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2720 static void opt_subtitle_codec(const char *arg)
2722 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2725 static void opt_subtitle_tag(const char *arg)
2728 subtitle_codec_tag= strtol(arg, &tail, 0);
2731 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2734 static void opt_map(const char *arg)
2739 m = &stream_maps[nb_stream_maps++];
2741 m->file_index = strtol(arg, &p, 0);
2745 m->stream_index = strtol(p, &p, 0);
2748 m->sync_file_index = strtol(p, &p, 0);
2751 m->sync_stream_index = strtol(p, &p, 0);
2753 m->sync_file_index = m->file_index;
2754 m->sync_stream_index = m->stream_index;
2758 static void opt_map_meta_data(const char *arg)
2763 m = &meta_data_maps[nb_meta_data_maps++];
2765 m->out_file = strtol(arg, &p, 0);
2769 m->in_file = strtol(p, &p, 0);
2772 static void opt_input_ts_scale(const char *arg)
2774 unsigned int stream;
2778 stream = strtol(arg, &p, 0);
2781 scale= strtod(p, &p);
2783 if(stream >= MAX_STREAMS)
2786 input_files_ts_scale[nb_input_files][stream]= scale;
2789 static int opt_recording_time(const char *opt, const char *arg)
2791 recording_time = parse_time_or_die(opt, arg, 1);
2795 static int opt_start_time(const char *opt, const char *arg)
2797 start_time = parse_time_or_die(opt, arg, 1);
2801 static int opt_rec_timestamp(const char *opt, const char *arg)
2803 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2807 static int opt_input_ts_offset(const char *opt, const char *arg)
2809 input_ts_offset = parse_time_or_die(opt, arg, 1);
2813 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2815 const char *codec_string = encoder ? "encoder" : "decoder";
2819 return CODEC_ID_NONE;
2821 avcodec_find_encoder_by_name(name) :
2822 avcodec_find_decoder_by_name(name);
2824 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2827 if(codec->type != type) {
2828 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2834 static void opt_input_file(const char *filename)
2836 AVFormatContext *ic;
2837 AVFormatParameters params, *ap = ¶ms;
2838 AVInputFormat *file_iformat = NULL;
2839 int err, i, ret, rfps, rfps_base;
2842 if (last_asked_format) {
2843 file_iformat = av_find_input_format(last_asked_format);
2844 last_asked_format = NULL;
2847 if (!strcmp(filename, "-"))
2850 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2851 !strcmp(filename, "/dev/stdin");
2853 /* get default parameters from command line */
2854 ic = avformat_alloc_context();
2856 print_error(filename, AVERROR(ENOMEM));
2860 memset(ap, 0, sizeof(*ap));
2861 ap->prealloced_context = 1;
2862 ap->sample_rate = audio_sample_rate;
2863 ap->channels = audio_channels;
2864 ap->time_base.den = frame_rate.num;
2865 ap->time_base.num = frame_rate.den;
2866 ap->width = frame_width + frame_padleft + frame_padright;
2867 ap->height = frame_height + frame_padtop + frame_padbottom;
2868 ap->pix_fmt = frame_pix_fmt;
2869 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2870 ap->channel = video_channel;
2871 ap->standard = video_standard;
2872 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2873 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2874 if(pgmyuv_compatibility_hack)
2875 ap->video_codec_id= CODEC_ID_PGMYUV;
2877 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2879 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2880 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2881 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2882 ic->flags |= AVFMT_FLAG_NONBLOCK;
2884 /* open the input file with generic libav function */
2885 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2887 print_error(filename, err);
2892 for(i=0; i<ic->nb_programs; i++)
2893 if(ic->programs[i]->id != opt_programid)
2894 ic->programs[i]->discard = AVDISCARD_ALL;
2897 ic->loop_input = loop_input;
2899 /* If not enough info to get the stream parameters, we decode the
2900 first frames to get it. (used in mpeg case for example) */
2901 ret = av_find_stream_info(ic);
2902 if (ret < 0 && verbose >= 0) {
2903 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2907 timestamp = start_time;
2908 /* add the stream start time */
2909 if (ic->start_time != AV_NOPTS_VALUE)
2910 timestamp += ic->start_time;
2912 /* if seeking requested, we execute it */
2913 if (start_time != 0) {
2914 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2916 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2917 filename, (double)timestamp / AV_TIME_BASE);
2919 /* reset seek info */
2923 /* update the current parameters so that they match the one of the input stream */
2924 for(i=0;i<ic->nb_streams;i++) {
2925 AVStream *st = ic->streams[i];
2926 AVCodecContext *enc = st->codec;
2928 avcodec_thread_init(enc, thread_count);
2929 switch(enc->codec_type) {
2930 case CODEC_TYPE_AUDIO:
2931 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2932 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2933 channel_layout = enc->channel_layout;
2934 audio_channels = enc->channels;
2935 audio_sample_rate = enc->sample_rate;
2936 audio_sample_fmt = enc->sample_fmt;
2937 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2939 st->discard= AVDISCARD_ALL;
2941 case CODEC_TYPE_VIDEO:
2942 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2943 frame_height = enc->height;
2944 frame_width = enc->width;
2945 if(ic->streams[i]->sample_aspect_ratio.num)
2946 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2948 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2949 frame_aspect_ratio *= (float) enc->width / enc->height;
2950 frame_pix_fmt = enc->pix_fmt;
2951 rfps = ic->streams[i]->r_frame_rate.num;
2952 rfps_base = ic->streams[i]->r_frame_rate.den;
2954 enc->flags |= CODEC_FLAG_EMU_EDGE;
2955 frame_height >>= enc->lowres;
2956 frame_width >>= enc->lowres;
2959 enc->debug |= FF_DEBUG_MV;
2961 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2964 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2965 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2967 (float)rfps / rfps_base, rfps, rfps_base);
2969 /* update the current frame rate to match the stream frame rate */
2970 frame_rate.num = rfps;
2971 frame_rate.den = rfps_base;
2973 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2975 st->discard= AVDISCARD_ALL;
2976 else if(video_discard)
2977 st->discard= video_discard;
2979 case CODEC_TYPE_DATA:
2981 case CODEC_TYPE_SUBTITLE:
2982 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2983 if(subtitle_disable)
2984 st->discard = AVDISCARD_ALL;
2986 case CODEC_TYPE_ATTACHMENT:
2987 case CODEC_TYPE_UNKNOWN:
2995 input_files[nb_input_files] = ic;
2996 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2997 /* dump the file content */
2999 dump_format(ic, nb_input_files, filename, 0);
3005 av_freep(&video_codec_name);
3006 av_freep(&audio_codec_name);
3007 av_freep(&subtitle_codec_name);
3010 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3011 int *has_subtitle_ptr)
3013 int has_video, has_audio, has_subtitle, i, j;
3014 AVFormatContext *ic;
3019 for(j=0;j<nb_input_files;j++) {
3020 ic = input_files[j];
3021 for(i=0;i<ic->nb_streams;i++) {
3022 AVCodecContext *enc = ic->streams[i]->codec;
3023 switch(enc->codec_type) {
3024 case CODEC_TYPE_AUDIO:
3027 case CODEC_TYPE_VIDEO:
3030 case CODEC_TYPE_SUBTITLE:
3033 case CODEC_TYPE_DATA:
3034 case CODEC_TYPE_ATTACHMENT:
3035 case CODEC_TYPE_UNKNOWN:
3042 *has_video_ptr = has_video;
3043 *has_audio_ptr = has_audio;
3044 *has_subtitle_ptr = has_subtitle;
3047 static void new_video_stream(AVFormatContext *oc)
3050 AVCodecContext *video_enc;
3051 enum CodecID codec_id;
3053 st = av_new_stream(oc, oc->nb_streams);
3055 fprintf(stderr, "Could not alloc stream\n");
3058 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3059 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3060 video_bitstream_filters= NULL;
3063 avcodec_thread_init(st->codec, thread_count);
3065 video_enc = st->codec;
3068 video_enc->codec_tag= video_codec_tag;
3070 if( (video_global_header&1)
3071 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3072 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3073 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3075 if(video_global_header&2){
3076 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3077 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3080 if (video_stream_copy) {
3081 st->stream_copy = 1;
3082 video_enc->codec_type = CODEC_TYPE_VIDEO;
3083 video_enc->sample_aspect_ratio =
3084 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3089 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3091 if (video_codec_name) {
3092 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3093 codec = avcodec_find_encoder_by_name(video_codec_name);
3094 output_codecs[nb_ocodecs] = codec;
3096 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3097 codec = avcodec_find_encoder(codec_id);
3100 video_enc->codec_id = codec_id;
3102 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3104 if (codec && codec->supported_framerates && !force_fps)
3105 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3106 video_enc->time_base.den = fps.num;
3107 video_enc->time_base.num = fps.den;
3109 video_enc->width = frame_width + frame_padright + frame_padleft;
3110 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3111 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3112 video_enc->pix_fmt = frame_pix_fmt;
3113 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3115 if(codec && codec->pix_fmts){
3116 const enum PixelFormat *p= codec->pix_fmts;
3118 if(*p == video_enc->pix_fmt)
3122 video_enc->pix_fmt = codec->pix_fmts[0];
3126 video_enc->gop_size = 0;
3127 if (video_qscale || same_quality) {
3128 video_enc->flags |= CODEC_FLAG_QSCALE;
3129 video_enc->global_quality=
3130 st->quality = FF_QP2LAMBDA * video_qscale;
3134 video_enc->intra_matrix = intra_matrix;
3136 video_enc->inter_matrix = inter_matrix;
3138 p= video_rc_override_string;
3141 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3143 fprintf(stderr, "error parsing rc_override\n");
3146 video_enc->rc_override=
3147 av_realloc(video_enc->rc_override,
3148 sizeof(RcOverride)*(i+1));
3149 video_enc->rc_override[i].start_frame= start;
3150 video_enc->rc_override[i].end_frame = end;
3152 video_enc->rc_override[i].qscale= q;
3153 video_enc->rc_override[i].quality_factor= 1.0;
3156 video_enc->rc_override[i].qscale= 0;
3157 video_enc->rc_override[i].quality_factor= -q/100.0;
3162 video_enc->rc_override_count=i;
3163 if (!video_enc->rc_initial_buffer_occupancy)
3164 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3165 video_enc->me_threshold= me_threshold;
3166 video_enc->intra_dc_precision= intra_dc_precision - 8;
3169 video_enc->flags|= CODEC_FLAG_PSNR;
3174 video_enc->flags |= CODEC_FLAG_PASS1;
3176 video_enc->flags |= CODEC_FLAG_PASS2;
3181 if (video_language) {
3182 av_metadata_set(&st->metadata, "language", video_language);
3183 av_freep(&video_language);
3186 /* reset some key parameters */
3188 av_freep(&video_codec_name);
3189 video_stream_copy = 0;
3192 static void new_audio_stream(AVFormatContext *oc)
3195 AVCodecContext *audio_enc;
3196 enum CodecID codec_id;
3198 st = av_new_stream(oc, oc->nb_streams);
3200 fprintf(stderr, "Could not alloc stream\n");
3203 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3205 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3206 audio_bitstream_filters= NULL;
3209 avcodec_thread_init(st->codec, thread_count);
3211 audio_enc = st->codec;
3212 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3215 audio_enc->codec_tag= audio_codec_tag;
3217 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3218 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3219 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3221 if (audio_stream_copy) {
3222 st->stream_copy = 1;
3223 audio_enc->channels = audio_channels;
3227 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3229 if (audio_codec_name) {
3230 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3231 codec = avcodec_find_encoder_by_name(audio_codec_name);
3232 output_codecs[nb_ocodecs] = codec;
3234 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3235 codec = avcodec_find_encoder(codec_id);
3237 audio_enc->codec_id = codec_id;
3239 if (audio_qscale > QSCALE_NONE) {
3240 audio_enc->flags |= CODEC_FLAG_QSCALE;
3241 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3243 audio_enc->channels = audio_channels;
3244 audio_enc->sample_fmt = audio_sample_fmt;
3245 audio_enc->channel_layout = channel_layout;
3246 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3247 audio_enc->channel_layout = 0;
3249 if(codec && codec->sample_fmts){
3250 const enum SampleFormat *p= codec->sample_fmts;
3252 if(*p == audio_enc->sample_fmt)
3256 audio_enc->sample_fmt = codec->sample_fmts[0];
3260 audio_enc->sample_rate = audio_sample_rate;
3261 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3262 if (audio_language) {
3263 av_metadata_set(&st->metadata, "language", audio_language);
3264 av_freep(&audio_language);
3267 /* reset some key parameters */
3269 av_freep(&audio_codec_name);
3270 audio_stream_copy = 0;
3273 static void new_subtitle_stream(AVFormatContext *oc)
3276 AVCodecContext *subtitle_enc;
3278 st = av_new_stream(oc, oc->nb_streams);
3280 fprintf(stderr, "Could not alloc stream\n");
3283 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3285 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3286 subtitle_bitstream_filters= NULL;
3288 subtitle_enc = st->codec;
3289 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3291 if(subtitle_codec_tag)
3292 subtitle_enc->codec_tag= subtitle_codec_tag;
3294 if (subtitle_stream_copy) {
3295 st->stream_copy = 1;
3297 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3298 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3299 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3303 if (subtitle_language) {
3304 av_metadata_set(&st->metadata, "language", subtitle_language);
3305 av_freep(&subtitle_language);
3308 subtitle_disable = 0;
3309 av_freep(&subtitle_codec_name);
3310 subtitle_stream_copy = 0;
3313 static void opt_new_audio_stream(void)
3315 AVFormatContext *oc;
3316 if (nb_output_files <= 0) {
3317 fprintf(stderr, "At least one output file must be specified\n");
3320 oc = output_files[nb_output_files - 1];
3321 new_audio_stream(oc);
3324 static void opt_new_video_stream(void)
3326 AVFormatContext *oc;
3327 if (nb_output_files <= 0) {
3328 fprintf(stderr, "At least one output file must be specified\n");
3331 oc = output_files[nb_output_files - 1];
3332 new_video_stream(oc);
3335 static void opt_new_subtitle_stream(void)
3337 AVFormatContext *oc;
3338 if (nb_output_files <= 0) {
3339 fprintf(stderr, "At least one output file must be specified\n");
3342 oc = output_files[nb_output_files - 1];
3343 new_subtitle_stream(oc);
3346 static void opt_output_file(const char *filename)
3348 AVFormatContext *oc;
3349 int use_video, use_audio, use_subtitle;
3350 int input_has_video, input_has_audio, input_has_subtitle;
3351 AVFormatParameters params, *ap = ¶ms;
3352 AVOutputFormat *file_oformat;
3354 if (!strcmp(filename, "-"))
3357 oc = avformat_alloc_context();
3359 print_error(filename, AVERROR(ENOMEM));
3363 if (last_asked_format) {
3364 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3365 if (!file_oformat) {
3366 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3369 last_asked_format = NULL;
3371 file_oformat = av_guess_format(NULL, filename, NULL);
3372 if (!file_oformat) {
3373 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3379 oc->oformat = file_oformat;
3380 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3382 if (!strcmp(file_oformat->name, "ffm") &&
3383 av_strstart(filename, "http:", NULL)) {
3384 /* special case for files sent to ffserver: we get the stream
3385 parameters from ffserver */
3386 int err = read_ffserver_streams(oc, filename);
3388 print_error(filename, err);
3392 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3393 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3394 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3396 /* disable if no corresponding type found and at least one
3398 if (nb_input_files > 0) {
3399 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3400 &input_has_subtitle);
3401 if (!input_has_video)
3403 if (!input_has_audio)
3405 if (!input_has_subtitle)
3409 /* manual disable */
3410 if (audio_disable) {
3413 if (video_disable) {
3416 if (subtitle_disable) {
3421 new_video_stream(oc);
3425 new_audio_stream(oc);
3429 new_subtitle_stream(oc);
3432 oc->timestamp = rec_timestamp;
3434 for(; metadata_count>0; metadata_count--){
3435 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3436 metadata[metadata_count-1].value);
3438 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3441 output_files[nb_output_files++] = oc;
3443 /* check filename in case of an image number is expected */
3444 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3445 if (!av_filename_number_test(oc->filename)) {
3446 print_error(oc->filename, AVERROR_NUMEXPECTED);
3451 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3452 /* test if it already exists to avoid loosing precious files */
3453 if (!file_overwrite &&
3454 (strchr(filename, ':') == NULL ||
3455 filename[1] == ':' ||
3456 av_strstart(filename, "file:", NULL))) {
3457 if (url_exist(filename)) {
3459 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3461 if (!read_yesno()) {
3462 fprintf(stderr, "Not overwriting - exiting\n");
3467 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3474 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3475 fprintf(stderr, "Could not open '%s'\n", filename);
3480 memset(ap, 0, sizeof(*ap));
3481 if (av_set_parameters(oc, ap) < 0) {
3482 fprintf(stderr, "%s: Invalid encoding parameters\n",
3487 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3488 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3489 oc->loop_output = loop_output;
3490 oc->flags |= AVFMT_FLAG_NONBLOCK;
3492 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3495 /* same option as mencoder */
3496 static void opt_pass(const char *pass_str)
3499 pass = atoi(pass_str);
3500 if (pass != 1 && pass != 2) {
3501 fprintf(stderr, "pass number can be only 1 or 2\n");
3507 static int64_t getutime(void)
3510 struct rusage rusage;
3512 getrusage(RUSAGE_SELF, &rusage);
3513 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3514 #elif HAVE_GETPROCESSTIMES
3516 FILETIME c, e, k, u;
3517 proc = GetCurrentProcess();
3518 GetProcessTimes(proc, &c, &e, &k, &u);
3519 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3521 return av_gettime();
3525 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3528 const char *p = str;
3535 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3542 static void opt_inter_matrix(const char *arg)
3544 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3545 parse_matrix_coeffs(inter_matrix, arg);
3548 static void opt_intra_matrix(const char *arg)
3550 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3551 parse_matrix_coeffs(intra_matrix, arg);
3555 * Trivial log callback.
3556 * Only suitable for show_help and similar since it lacks prefix handling.
3558 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3560 vfprintf(stdout, fmt, vl);
3563 static void show_usage(void)
3565 printf("Hyper fast Audio and Video encoder\n");
3566 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3570 static void show_help(void)
3572 av_log_set_callback(log_callback_help);
3574 show_help_options(options, "Main options:\n",
3575 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3576 show_help_options(options, "\nAdvanced options:\n",
3577 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3579 show_help_options(options, "\nVideo options:\n",
3580 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3582 show_help_options(options, "\nAdvanced Video options:\n",
3583 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3584 OPT_VIDEO | OPT_EXPERT);
3585 show_help_options(options, "\nAudio options:\n",
3586 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3588 show_help_options(options, "\nAdvanced Audio options:\n",
3589 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3590 OPT_AUDIO | OPT_EXPERT);
3591 show_help_options(options, "\nSubtitle options:\n",
3592 OPT_SUBTITLE | OPT_GRAB,
3594 show_help_options(options, "\nAudio/Video grab options:\n",
3598 av_opt_show(avcodec_opts[0], NULL);
3600 av_opt_show(avformat_opts, NULL);
3602 av_opt_show(sws_opts, NULL);
3605 static void opt_target(const char *arg)
3607 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3608 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3610 if(!strncmp(arg, "pal-", 4)) {
3613 } else if(!strncmp(arg, "ntsc-", 5)) {
3616 } else if(!strncmp(arg, "film-", 5)) {
3621 /* Calculate FR via float to avoid int overflow */
3622 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3625 } else if((fr == 29970) || (fr == 23976)) {
3628 /* Try to determine PAL/NTSC by peeking in the input files */
3629 if(nb_input_files) {
3631 for(j = 0; j < nb_input_files; j++) {
3632 for(i = 0; i < input_files[j]->nb_streams; i++) {
3633 AVCodecContext *c = input_files[j]->streams[i]->codec;
3634 if(c->codec_type != CODEC_TYPE_VIDEO)
3636 fr = c->time_base.den * 1000 / c->time_base.num;
3640 } else if((fr == 29970) || (fr == 23976)) {
3650 if(verbose && norm != UNKNOWN)
3651 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3654 if(norm == UNKNOWN) {
3655 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3656 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3657 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3661 if(!strcmp(arg, "vcd")) {
3663 opt_video_codec("mpeg1video");
3664 opt_audio_codec("mp2");
3667 opt_frame_size(norm == PAL ? "352x288" : "352x240");
3668 opt_frame_rate(NULL, frame_rates[norm]);
3669 opt_default("g", norm == PAL ? "15" : "18");
3671 opt_default("b", "1150000");
3672 opt_default("maxrate", "1150000");
3673 opt_default("minrate", "1150000");
3674 opt_default("bufsize", "327680"); // 40*1024*8;
3676 opt_default("ab", "224000");
3677 audio_sample_rate = 44100;
3680 opt_default("packetsize", "2324");
3681 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3683 /* We have to offset the PTS, so that it is consistent with the SCR.
3684 SCR starts at 36000, but the first two packs contain only padding
3685 and the first pack from the other stream, respectively, may also have
3686 been written before.
3687 So the real data starts at SCR 36000+3*1200. */
3688 mux_preload= (36000+3*1200) / 90000.0; //0.44
3689 } else if(!strcmp(arg, "svcd")) {
3691 opt_video_codec("mpeg2video");
3692 opt_audio_codec("mp2");
3695 opt_frame_size(norm == PAL ? "480x576" : "480x480");
3696 opt_frame_rate(NULL, frame_rates[norm]);
3697 opt_default("g", norm == PAL ? "15" : "18");
3699 opt_default("b", "2040000");
3700 opt_default("maxrate", "2516000");
3701 opt_default("minrate", "0"); //1145000;
3702 opt_default("bufsize", "1835008"); //224*1024*8;
3703 opt_default("flags", "+scan_offset");
3706 opt_default("ab", "224000");
3707 audio_sample_rate = 44100;
3709 opt_default("packetsize", "2324");
3711 } else if(!strcmp(arg, "dvd")) {
3713 opt_video_codec("mpeg2video");
3714 opt_audio_codec("ac3");
3717 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3718 opt_frame_rate(NULL, frame_rates[norm]);
3719 opt_default("g", norm == PAL ? "15" : "18");
3721 opt_default("b", "6000000");
3722 opt_default("maxrate", "9000000");
3723 opt_default("minrate", "0"); //1500000;
3724 opt_default("bufsize", "1835008"); //224*1024*8;
3726 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3727 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3729 opt_default("ab", "448000");
3730 audio_sample_rate = 48000;
3732 } else if(!strncmp(arg, "dv", 2)) {
3736 opt_frame_size(norm == PAL ? "720x576" : "720x480");
3737 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3738 (norm == PAL ? "yuv420p" : "yuv411p"));
3739 opt_frame_rate(NULL, frame_rates[norm]);
3741 audio_sample_rate = 48000;
3745 fprintf(stderr, "Unknown target: %s\n", arg);
3750 static void opt_vstats_file (const char *arg)
3752 av_free (vstats_filename);
3753 vstats_filename=av_strdup (arg);
3756 static void opt_vstats (void)
3759 time_t today2 = time(NULL);
3760 struct tm *today = localtime(&today2);
3762 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3764 opt_vstats_file(filename);
3767 static int opt_bsf(const char *opt, const char *arg)
3769 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3770 AVBitStreamFilterContext **bsfp;
3773 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3777 bsfp= *opt == 'v' ? &video_bitstream_filters :
3778 *opt == 'a' ? &audio_bitstream_filters :
3779 &subtitle_bitstream_filters;
3781 bsfp= &(*bsfp)->next;
3788 static int opt_preset(const char *opt, const char *arg)
3791 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3793 const char *base[2]= { getenv("HOME"),
3798 for(i=!base[0]; i<2 && !f; i++){
3799 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3800 f= fopen(filename, "r");
3802 char *codec_name= *opt == 'v' ? video_codec_name :
3803 *opt == 'a' ? audio_codec_name :
3804 subtitle_codec_name;
3805 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3806 f= fopen(filename, "r");
3810 av_strlcpy(filename, arg, sizeof(filename));
3811 f= fopen(filename, "r");
3815 fprintf(stderr, "File for preset '%s' not found\n", arg);
3820 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3821 if(line[0] == '#' && !e)
3823 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3825 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3828 if(!strcmp(tmp, "acodec")){
3829 opt_audio_codec(tmp2);
3830 }else if(!strcmp(tmp, "vcodec")){
3831 opt_video_codec(tmp2);
3832 }else if(!strcmp(tmp, "scodec")){
3833 opt_subtitle_codec(tmp2);
3834 }else if(opt_default(tmp, tmp2) < 0){
3835 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3845 static const OptionDef options[] = {
3847 #include "cmdutils_common_opts.h"
3848 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3849 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3850 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3851 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3852 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3853 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3854 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3855 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3856 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3857 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3858 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3859 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3860 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3861 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3862 "add timings for benchmarking" },
3863 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3864 "dump each input packet" },
3865 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3866 "when dumping packets, also dump the payload" },
3867 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3868 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3869 { "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)", "" },
3870 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3871 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3872 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3873 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3874 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3875 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3876 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3877 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3878 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3879 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3880 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3881 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3882 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3885 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3886 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3887 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3888 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3889 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3890 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3891 { "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" },
3892 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3893 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3894 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3895 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3896 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3897 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3898 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3899 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3900 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3901 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3902 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3903 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3904 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3905 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3906 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3907 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3908 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3909 "use same video quality as source (implies VBR)" },
3910 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3911 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3912 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3913 "deinterlace pictures" },
3914 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3915 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3916 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3917 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3918 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3919 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3920 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3921 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3922 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3923 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
3924 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3925 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3928 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3929 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3930 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3931 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3932 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3933 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3934 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3935 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3936 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3937 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3938 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3939 { "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" },
3941 /* subtitle options */
3942 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3943 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3944 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3945 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3946 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3949 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3950 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3951 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3954 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3955 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3957 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3958 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3959 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3961 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3962 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3963 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3964 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
3966 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3970 int main(int argc, char **argv)
3975 avcodec_register_all();
3976 avdevice_register_all();
3980 if(isatty(STDIN_FILENO))
3981 url_set_interrupt_cb(decode_interrupt_cb);
3984 for(i=0; i<CODEC_TYPE_NB; i++){
3985 avcodec_opts[i]= avcodec_alloc_context2(i);
3987 avformat_opts = avformat_alloc_context();
3988 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3993 parse_options(argc, argv, options, opt_output_file);
3995 if(nb_output_files <= 0 && nb_input_files == 0) {
3997 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4001 /* file converter / grab */
4002 if (nb_output_files <= 0) {
4003 fprintf(stderr, "At least one output file must be specified\n");
4007 if (nb_input_files == 0) {
4008 fprintf(stderr, "At least one input file must be specified\n");
4013 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
4014 stream_maps, nb_stream_maps) < 0)
4016 ti = getutime() - ti;
4018 printf("bench: utime=%0.3fs\n", ti / 1000000.0);