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 "libavformat/framehook.h"
38 #include "libavcodec/opt.h"
39 #include "libavcodec/audioconvert.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 AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish=1.0;
135 static float video_rc_qmod_amp=0;
136 static int video_rc_qmod_freq=0;
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int do_deinterlace = 0;
145 static int top_field_first = -1;
146 static int me_threshold = 0;
147 static int intra_dc_precision = 8;
148 static int loop_input = 0;
149 static int loop_output = AVFMT_NOOUTPUTLOOP;
150 static int qp_hist = 0;
152 static int intra_only = 0;
153 static int audio_sample_rate = 44100;
154 static int64_t channel_layout = 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale = QSCALE_NONE;
157 static int audio_disable = 0;
158 static int audio_channels = 1;
159 static char *audio_codec_name = NULL;
160 static int audio_codec_tag = 0;
161 static char *audio_language = NULL;
163 static int subtitle_disable = 0;
164 static char *subtitle_codec_name = NULL;
165 static char *subtitle_language = NULL;
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static char *str_title = NULL;
176 static char *str_author = NULL;
177 static char *str_copyright = NULL;
178 static char *str_comment = NULL;
179 static char *str_genre = NULL;
180 static char *str_album = NULL;
181 static int do_benchmark = 0;
182 static int do_hex_dump = 0;
183 static int do_pkt_dump = 0;
184 static int do_psnr = 0;
185 static int do_pass = 0;
186 static char *pass_logfilename_prefix = NULL;
187 static int audio_stream_copy = 0;
188 static int video_stream_copy = 0;
189 static int subtitle_stream_copy = 0;
190 static int video_sync_method= -1;
191 static int audio_sync_method= 0;
192 static float audio_drift_threshold= 0.1;
193 static int copy_ts= 0;
194 static int opt_shortest = 0;
195 static int video_global_header = 0;
196 static char *vstats_filename;
197 static FILE *vstats_file;
198 static int opt_programid = 0;
199 static int copy_initial_nonkeyframes = 0;
201 static int rate_emu = 0;
203 static int video_channel = 0;
204 static char *video_standard;
206 static int audio_volume = 256;
208 static int exit_on_error = 0;
209 static int using_stdin = 0;
210 static int using_vhook = 0;
211 static int verbose = 1;
212 static int thread_count= 1;
213 static int q_pressed = 0;
214 static int64_t video_size = 0;
215 static int64_t audio_size = 0;
216 static int64_t extra_size = 0;
217 static int nb_frames_dup = 0;
218 static int nb_frames_drop = 0;
219 static int input_sync;
220 static uint64_t limit_filesize = 0;
221 static int force_fps = 0;
223 static int pgmyuv_compatibility_hack=0;
224 static float dts_delta_threshold = 10;
226 static unsigned int sws_flags = SWS_BICUBIC;
228 static int64_t timer_start;
230 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
231 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
235 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
237 struct AVInputStream;
239 typedef struct AVOutputStream {
240 int file_index; /* file index */
241 int index; /* stream index in the output file */
242 int source_index; /* AVInputStream index */
243 AVStream *st; /* stream in the output file */
244 int encoding_needed; /* true if encoding needed for this stream */
246 /* input pts and corresponding output pts
248 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
249 struct AVInputStream *sync_ist; /* input stream to sync against */
250 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
253 AVFrame pict_tmp; /* temporary image for resampling */
254 struct SwsContext *img_resample_ctx; /* for image resampling */
258 int topBand; /* cropping area sizes */
262 int padtop; /* padding area sizes */
269 ReSampleContext *resample; /* for audio resampling */
271 AVAudioConvert *reformat_ctx;
272 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
276 typedef struct AVInputStream {
280 int discard; /* true if stream data should be discarded */
281 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
282 int64_t sample_index; /* current sample */
284 int64_t start; /* time when read started */
285 int64_t next_pts; /* synthetic pts for cases where pkt.pts
287 int64_t pts; /* current pts */
288 int is_start; /* is 1 at the start and after a discontinuity */
291 typedef struct AVInputFile {
292 int eof_reached; /* true if eof reached */
293 int ist_index; /* index of first stream in ist_table */
294 int buffer_size; /* current total buffer size */
295 int nb_streams; /* nb streams we are aware of */
300 /* init terminal so that we can grab keys */
301 static struct termios oldtty;
304 static void term_exit(void)
307 tcsetattr (0, TCSANOW, &oldtty);
311 static volatile sig_atomic_t received_sigterm = 0;
314 sigterm_handler(int sig)
316 received_sigterm = sig;
320 static void term_init(void)
328 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
329 |INLCR|IGNCR|ICRNL|IXON);
330 tty.c_oflag |= OPOST;
331 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
332 tty.c_cflag &= ~(CSIZE|PARENB);
337 tcsetattr (0, TCSANOW, &tty);
338 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
341 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
342 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
344 register a function to be called at normal program termination
347 #if CONFIG_BEOS_NETSERVER
348 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
352 /* read a key without blocking */
353 static int read_key(void)
358 #if !CONFIG_BEOS_NETSERVER
366 n = select(1, &rfds, NULL, NULL, &tv);
382 static int decode_interrupt_cb(void)
384 return q_pressed || (q_pressed = read_key() == 'q');
387 static int av_exit(int ret)
392 for(i=0;i<nb_output_files;i++) {
393 /* maybe av_close_output_file ??? */
394 AVFormatContext *s = output_files[i];
396 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
398 for(j=0;j<s->nb_streams;j++) {
399 av_metadata_free(&s->streams[j]->metadata);
400 av_free(s->streams[j]->codec);
401 av_free(s->streams[j]);
403 for(j=0;j<s->nb_programs;j++) {
404 av_metadata_free(&s->programs[j]->metadata);
406 for(j=0;j<s->nb_chapters;j++) {
407 av_metadata_free(&s->chapters[j]->metadata);
409 av_metadata_free(&s->metadata);
412 for(i=0;i<nb_input_files;i++)
413 av_close_input_file(input_files[i]);
415 av_free(intra_matrix);
416 av_free(inter_matrix);
420 av_free(vstats_filename);
424 av_free(video_codec_name);
425 av_free(audio_codec_name);
426 av_free(subtitle_codec_name);
428 av_free(video_standard);
430 #if CONFIG_POWERPC_PERF
431 void powerpc_display_perf_report(void);
432 powerpc_display_perf_report();
433 #endif /* CONFIG_POWERPC_PERF */
435 if (received_sigterm) {
437 "Received signal %d: terminating.\n",
438 (int) received_sigterm);
442 exit(ret); /* not all OS-es handle main() return value */
446 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
452 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
455 /* copy stream format */
456 s->nb_streams = ic->nb_streams;
457 for(i=0;i<ic->nb_streams;i++) {
460 // FIXME: a more elegant solution is needed
461 st = av_mallocz(sizeof(AVStream));
462 memcpy(st, ic->streams[i], sizeof(AVStream));
463 st->codec = avcodec_alloc_context();
464 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
467 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
469 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
472 if(!st->codec->thread_count)
473 st->codec->thread_count = 1;
474 if(st->codec->thread_count>1)
475 avcodec_thread_init(st->codec, st->codec->thread_count);
477 if(st->codec->flags & CODEC_FLAG_BITEXACT)
482 s->timestamp = av_gettime();
484 av_close_input_file(ic);
489 get_sync_ipts(const AVOutputStream *ost)
491 const AVInputStream *ist = ost->sync_ist;
492 return (double)(ist->pts - start_time)/AV_TIME_BASE;
495 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
499 AVPacket new_pkt= *pkt;
500 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
501 &new_pkt.data, &new_pkt.size,
502 pkt->data, pkt->size,
503 pkt->flags & PKT_FLAG_KEY);
506 new_pkt.destruct= av_destruct_packet;
508 fprintf(stderr, "%s failed for stream %d, codec %s",
509 bsfc->filter->name, pkt->stream_index,
510 avctx->codec ? avctx->codec->name : "copy");
520 ret= av_interleaved_write_frame(s, pkt);
522 print_error("av_interleaved_write_frame()", ret);
527 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
529 static void do_audio_out(AVFormatContext *s,
532 unsigned char *buf, int size)
535 static uint8_t *audio_buf = NULL;
536 static uint8_t *audio_out = NULL;
537 static uint8_t *audio_out2 = NULL;
538 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
540 int size_out, frame_bytes, ret;
541 AVCodecContext *enc= ost->st->codec;
542 AVCodecContext *dec= ist->st->codec;
543 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
544 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
546 /* SC: dynamic allocation of buffers */
548 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
550 audio_out = av_malloc(audio_out_size);
551 if (!audio_buf || !audio_out)
552 return; /* Should signal an error ! */
554 if (enc->channels != dec->channels)
555 ost->audio_resample = 1;
557 if (ost->audio_resample && !ost->resample) {
558 if (dec->sample_fmt != SAMPLE_FMT_S16) {
559 fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
562 ost->resample = audio_resample_init(enc->channels, dec->channels,
563 enc->sample_rate, dec->sample_rate);
564 if (!ost->resample) {
565 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
566 dec->channels, dec->sample_rate,
567 enc->channels, enc->sample_rate);
572 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
573 if (dec->sample_fmt!=enc->sample_fmt &&
574 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
576 audio_out2 = av_malloc(audio_out_size);
579 if (ost->reformat_ctx)
580 av_audio_convert_free(ost->reformat_ctx);
581 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
582 dec->sample_fmt, 1, NULL, 0);
583 if (!ost->reformat_ctx) {
584 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
585 avcodec_get_sample_fmt_name(dec->sample_fmt),
586 avcodec_get_sample_fmt_name(enc->sample_fmt));
589 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
592 if(audio_sync_method){
593 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
594 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
595 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
596 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
598 //FIXME resample delay
599 if(fabs(delta) > 50){
600 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
602 byte_delta= FFMAX(byte_delta, -size);
606 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
611 static uint8_t *input_tmp= NULL;
612 input_tmp= av_realloc(input_tmp, byte_delta + size);
614 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
617 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
619 memset(input_tmp, 0, byte_delta);
620 memcpy(input_tmp + byte_delta, buf, size);
624 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
626 }else if(audio_sync_method>1){
627 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
628 assert(ost->audio_resample);
630 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
631 // 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));
632 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
636 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
637 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
639 if (ost->audio_resample) {
641 size_out = audio_resample(ost->resample,
642 (short *)buftmp, (short *)buf,
643 size / (ist->st->codec->channels * isize));
644 size_out = size_out * enc->channels * osize;
650 if (dec->sample_fmt!=enc->sample_fmt) {
651 const void *ibuf[6]= {buftmp};
652 void *obuf[6]= {audio_out2};
653 int istride[6]= {isize};
654 int ostride[6]= {osize};
655 int len= size_out/istride[0];
656 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
657 printf("av_audio_convert() failed\n");
663 size_out = len*osize;
666 /* now encode as many frames as possible */
667 if (enc->frame_size > 1) {
668 /* output resampled raw samples */
669 if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
670 fprintf(stderr, "av_fifo_realloc2() failed\n");
673 av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
675 frame_bytes = enc->frame_size * osize * enc->channels;
677 while (av_fifo_size(&ost->fifo) >= frame_bytes) {
679 av_init_packet(&pkt);
681 av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
683 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
685 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
688 fprintf(stderr, "Audio encoding failed\n");
692 pkt.stream_index= ost->index;
695 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
696 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
697 pkt.flags |= PKT_FLAG_KEY;
698 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
700 ost->sync_opts += enc->frame_size;
704 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
705 av_init_packet(&pkt);
707 ost->sync_opts += size_out / (osize * enc->channels);
709 /* output a pcm frame */
710 /* determine the size of the coded buffer */
713 size_out *= coded_bps;
715 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
716 ret = avcodec_encode_audio(enc, audio_out, size_out,
719 fprintf(stderr, "Audio encoding failed\n");
723 pkt.stream_index= ost->index;
726 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
727 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
728 pkt.flags |= PKT_FLAG_KEY;
729 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
733 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
737 AVPicture picture_tmp;
740 dec = ist->st->codec;
742 /* deinterlace : must be done before any resize */
743 if (do_deinterlace || using_vhook) {
746 /* create temporary picture */
747 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
748 buf = av_malloc(size);
752 picture2 = &picture_tmp;
753 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
756 if(avpicture_deinterlace(picture2, picture,
757 dec->pix_fmt, dec->width, dec->height) < 0) {
758 /* if error, do not deinterlace */
759 fprintf(stderr, "Deinterlacing failed\n");
765 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
772 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
773 1000000 * ist->pts / AV_TIME_BASE);
775 if (picture != picture2)
776 *picture = *picture2;
780 /* we begin to correct av delay at this threshold */
781 #define AV_DELAY_MAX 0.100
783 static void do_subtitle_out(AVFormatContext *s,
789 static uint8_t *subtitle_out = NULL;
790 int subtitle_out_max_size = 65536;
791 int subtitle_out_size, nb, i;
795 if (pts == AV_NOPTS_VALUE) {
796 fprintf(stderr, "Subtitle packets must have a pts\n");
802 enc = ost->st->codec;
805 subtitle_out = av_malloc(subtitle_out_max_size);
808 /* Note: DVB subtitle need one packet to draw them and one other
809 packet to clear them */
810 /* XXX: signal it in the codec context ? */
811 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
816 for(i = 0; i < nb; i++) {
817 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
818 subtitle_out_max_size, sub);
820 av_init_packet(&pkt);
821 pkt.stream_index = ost->index;
822 pkt.data = subtitle_out;
823 pkt.size = subtitle_out_size;
824 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
825 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
826 /* XXX: the pts correction is handled here. Maybe handling
827 it in the codec would be better */
829 pkt.pts += 90 * sub->start_display_time;
831 pkt.pts += 90 * sub->end_display_time;
833 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
837 static int bit_buffer_size= 1024*256;
838 static uint8_t *bit_buffer= NULL;
840 static void do_video_out(AVFormatContext *s,
846 int nb_frames, i, ret;
847 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
848 AVFrame picture_crop_temp, picture_pad_temp;
849 AVCodecContext *enc, *dec;
851 avcodec_get_frame_defaults(&picture_crop_temp);
852 avcodec_get_frame_defaults(&picture_pad_temp);
854 enc = ost->st->codec;
855 dec = ist->st->codec;
857 /* by default, we output a single frame */
862 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
864 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
865 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
868 else if (video_sync_method == 2)
869 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
870 else if (vdelta > 1.1)
871 nb_frames = lrintf(vdelta);
872 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
876 fprintf(stderr, "*** drop!\n");
877 }else if (nb_frames > 1) {
878 nb_frames_dup += nb_frames;
880 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
883 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
885 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
889 if (ost->video_crop) {
890 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
891 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
896 formatted_picture = &picture_crop_temp;
898 formatted_picture = in_picture;
901 final_picture = formatted_picture;
902 padding_src = formatted_picture;
903 resampling_dst = &ost->pict_tmp;
904 if (ost->video_pad) {
905 final_picture = &ost->pict_tmp;
906 if (ost->video_resample) {
907 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
908 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
913 resampling_dst = &picture_pad_temp;
917 if (ost->video_resample) {
919 final_picture = &ost->pict_tmp;
920 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
921 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
924 if (ost->video_pad) {
925 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
926 enc->height, enc->width, enc->pix_fmt,
927 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
930 /* duplicates frame if needed */
931 for(i=0;i<nb_frames;i++) {
933 av_init_packet(&pkt);
934 pkt.stream_index= ost->index;
936 if (s->oformat->flags & AVFMT_RAWPICTURE) {
937 /* raw pictures are written as AVPicture structure to
938 avoid any copies. We support temorarily the older
940 AVFrame* old_frame = enc->coded_frame;
941 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
942 pkt.data= (uint8_t *)final_picture;
943 pkt.size= sizeof(AVPicture);
944 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
945 pkt.flags |= PKT_FLAG_KEY;
947 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
948 enc->coded_frame = old_frame;
952 big_picture= *final_picture;
953 /* better than nothing: use input picture interlaced
955 big_picture.interlaced_frame = in_picture->interlaced_frame;
956 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
957 if(top_field_first == -1)
958 big_picture.top_field_first = in_picture->top_field_first;
960 big_picture.top_field_first = top_field_first;
963 /* handles sameq here. This is not correct because it may
964 not be a global option */
966 big_picture.quality = ist->st->quality;
968 big_picture.quality = ost->st->quality;
970 big_picture.pict_type = 0;
971 // big_picture.pts = AV_NOPTS_VALUE;
972 big_picture.pts= ost->sync_opts;
973 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
974 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
975 ret = avcodec_encode_video(enc,
976 bit_buffer, bit_buffer_size,
979 fprintf(stderr, "Video encoding failed\n");
982 //enc->frame_number = enc->real_pict_num;
984 pkt.data= bit_buffer;
986 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
987 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
988 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
989 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
990 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
992 if(enc->coded_frame->key_frame)
993 pkt.flags |= PKT_FLAG_KEY;
994 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
997 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
998 // enc->frame_number-1, enc->real_pict_num, ret,
1000 /* if two pass, output log */
1001 if (ost->logfile && enc->stats_out) {
1002 fprintf(ost->logfile, "%s", enc->stats_out);
1007 ost->frame_number++;
1011 static double psnr(double d){
1012 return -10.0*log(d)/log(10.0);
1015 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1018 AVCodecContext *enc;
1020 double ti1, bitrate, avg_bitrate;
1022 /* this is executed just the first time do_video_stats is called */
1024 vstats_file = fopen(vstats_filename, "w");
1031 enc = ost->st->codec;
1032 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1033 frame_number = ost->frame_number;
1034 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1035 if (enc->flags&CODEC_FLAG_PSNR)
1036 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1038 fprintf(vstats_file,"f_size= %6d ", frame_size);
1039 /* compute pts value */
1040 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1044 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1045 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1046 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1047 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1048 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1052 static void print_report(AVFormatContext **output_files,
1053 AVOutputStream **ost_table, int nb_ostreams,
1057 AVOutputStream *ost;
1058 AVFormatContext *oc, *os;
1060 AVCodecContext *enc;
1061 int frame_number, vid, i;
1062 double bitrate, ti1, pts;
1063 static int64_t last_time = -1;
1064 static int qp_histogram[52];
1066 if (!is_last_report) {
1068 /* display the report every 0.5 seconds */
1069 cur_time = av_gettime();
1070 if (last_time == -1) {
1071 last_time = cur_time;
1074 if ((cur_time - last_time) < 500000)
1076 last_time = cur_time;
1080 oc = output_files[0];
1082 total_size = url_fsize(oc->pb);
1083 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1084 total_size= url_ftell(oc->pb);
1089 for(i=0;i<nb_ostreams;i++) {
1091 os = output_files[ost->file_index];
1092 enc = ost->st->codec;
1093 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1094 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1095 !ost->st->stream_copy ?
1096 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1098 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1099 float t = (av_gettime()-timer_start) / 1000000.0;
1101 frame_number = ost->frame_number;
1102 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1103 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1104 !ost->st->stream_copy ?
1105 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1110 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1111 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1114 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1116 if (enc->flags&CODEC_FLAG_PSNR){
1118 double error, error_sum=0;
1119 double scale, scale_sum=0;
1120 char type[3]= {'Y','U','V'};
1121 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1124 error= enc->error[j];
1125 scale= enc->width*enc->height*255.0*255.0*frame_number;
1127 error= enc->coded_frame->error[j];
1128 scale= enc->width*enc->height*255.0*255.0;
1133 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1135 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1139 /* compute min output value */
1140 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1141 if ((pts < ti1) && (pts > 0))
1147 if (verbose || is_last_report) {
1148 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1151 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1152 (double)total_size / 1024, ti1, bitrate);
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1156 nb_frames_dup, nb_frames_drop);
1159 fprintf(stderr, "%s \r", buf);
1164 if (is_last_report && verbose >= 0){
1165 int64_t raw= audio_size + video_size + extra_size;
1166 fprintf(stderr, "\n");
1167 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1171 100.0*(total_size - raw)/raw
1176 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1177 static int output_packet(AVInputStream *ist, int ist_index,
1178 AVOutputStream **ost_table, int nb_ostreams,
1179 const AVPacket *pkt)
1181 AVFormatContext *os;
1182 AVOutputStream *ost;
1186 int data_size, got_picture;
1188 void *buffer_to_free;
1189 static unsigned int samples_size= 0;
1190 static short *samples= NULL;
1191 AVSubtitle subtitle, *subtitle_to_free;
1194 if(ist->next_pts == AV_NOPTS_VALUE)
1195 ist->next_pts= ist->pts;
1204 if(pkt->dts != AV_NOPTS_VALUE)
1205 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1210 //while we have more to decode or while the decoder did output something on EOF
1211 while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1213 ist->pts= ist->next_pts;
1215 if(len && len != pkt->size && verbose>0)
1216 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1218 /* decode the packet if needed */
1219 data_buf = NULL; /* fail safe */
1221 subtitle_to_free = NULL;
1222 if (ist->decoding_needed) {
1223 switch(ist->st->codec->codec_type) {
1224 case CODEC_TYPE_AUDIO:{
1225 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1226 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1228 samples= av_malloc(samples_size);
1230 data_size= samples_size;
1231 /* XXX: could avoid copy if PCM 16 bits with same
1232 endianness as CPU */
1233 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1239 /* Some bug in mpeg audio decoder gives */
1240 /* data_size < 0, it seems they are overflows */
1241 if (data_size <= 0) {
1242 /* no audio frame */
1245 data_buf = (uint8_t *)samples;
1246 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1247 (ist->st->codec->sample_rate * ist->st->codec->channels);
1249 case CODEC_TYPE_VIDEO:
1250 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1251 /* XXX: allocate picture correctly */
1252 avcodec_get_frame_defaults(&picture);
1254 ret = avcodec_decode_video(ist->st->codec,
1255 &picture, &got_picture, ptr, len);
1256 ist->st->quality= picture.quality;
1260 /* no picture yet */
1261 goto discard_packet;
1263 if (ist->st->codec->time_base.num != 0) {
1264 ist->next_pts += ((int64_t)AV_TIME_BASE *
1265 ist->st->codec->time_base.num) /
1266 ist->st->codec->time_base.den;
1270 case CODEC_TYPE_SUBTITLE:
1271 ret = avcodec_decode_subtitle(ist->st->codec,
1272 &subtitle, &got_subtitle, ptr, len);
1275 if (!got_subtitle) {
1276 goto discard_packet;
1278 subtitle_to_free = &subtitle;
1285 switch(ist->st->codec->codec_type) {
1286 case CODEC_TYPE_AUDIO:
1287 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1288 ist->st->codec->sample_rate;
1290 case CODEC_TYPE_VIDEO:
1291 if (ist->st->codec->time_base.num != 0) {
1292 ist->next_pts += ((int64_t)AV_TIME_BASE *
1293 ist->st->codec->time_base.num) /
1294 ist->st->codec->time_base.den;
1304 buffer_to_free = NULL;
1305 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1306 pre_process_video_frame(ist, (AVPicture *)&picture,
1310 // preprocess audio (volume)
1311 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1312 if (audio_volume != 256) {
1315 for(i=0;i<(data_size / sizeof(short));i++) {
1316 int v = ((*volp) * audio_volume + 128) >> 8;
1317 if (v < -32768) v = -32768;
1318 if (v > 32767) v = 32767;
1324 /* frame rate emulation */
1326 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1327 int64_t now = av_gettime() - ist->start;
1332 /* if output time reached then transcode raw format,
1333 encode packets and output them */
1334 if (start_time == 0 || ist->pts >= start_time)
1335 for(i=0;i<nb_ostreams;i++) {
1339 if (ost->source_index == ist_index) {
1340 os = output_files[ost->file_index];
1343 printf("%d: got pts=%0.3f %0.3f\n", i,
1344 (double)pkt->pts / AV_TIME_BASE,
1345 ((double)ist->pts / AV_TIME_BASE) -
1346 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1348 /* set the input output pts pairs */
1349 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1351 if (ost->encoding_needed) {
1352 switch(ost->st->codec->codec_type) {
1353 case CODEC_TYPE_AUDIO:
1354 do_audio_out(os, ost, ist, data_buf, data_size);
1356 case CODEC_TYPE_VIDEO:
1357 do_video_out(os, ost, ist, &picture, &frame_size);
1358 if (vstats_filename && frame_size)
1359 do_video_stats(os, ost, frame_size);
1361 case CODEC_TYPE_SUBTITLE:
1362 do_subtitle_out(os, ost, ist, &subtitle,
1369 AVFrame avframe; //FIXME/XXX remove this
1371 av_init_packet(&opkt);
1373 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1376 /* no reencoding needed : output the packet directly */
1377 /* force the input stream PTS */
1379 avcodec_get_frame_defaults(&avframe);
1380 ost->st->codec->coded_frame= &avframe;
1381 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1383 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1384 audio_size += data_size;
1385 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1386 video_size += data_size;
1390 opkt.stream_index= ost->index;
1391 if(pkt->pts != AV_NOPTS_VALUE)
1392 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1394 opkt.pts= AV_NOPTS_VALUE;
1396 if (pkt->dts == AV_NOPTS_VALUE)
1397 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1399 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1401 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1402 opkt.flags= pkt->flags;
1404 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1405 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1406 opkt.destruct= av_destruct_packet;
1408 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1409 ost->st->codec->frame_number++;
1410 ost->frame_number++;
1411 av_free_packet(&opkt);
1415 av_free(buffer_to_free);
1416 /* XXX: allocate the subtitles in the codec ? */
1417 if (subtitle_to_free) {
1418 if (subtitle_to_free->rects != NULL) {
1419 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1420 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1421 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1422 av_freep(&subtitle_to_free->rects[i]);
1424 av_freep(&subtitle_to_free->rects);
1426 subtitle_to_free->num_rects = 0;
1427 subtitle_to_free = NULL;
1434 for(i=0;i<nb_ostreams;i++) {
1436 if (ost->source_index == ist_index) {
1437 AVCodecContext *enc= ost->st->codec;
1438 os = output_files[ost->file_index];
1440 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1442 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1445 if (ost->encoding_needed) {
1449 av_init_packet(&pkt);
1450 pkt.stream_index= ost->index;
1452 switch(ost->st->codec->codec_type) {
1453 case CODEC_TYPE_AUDIO:
1454 fifo_bytes = av_fifo_size(&ost->fifo);
1456 /* encode any samples remaining in fifo */
1457 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1458 int fs_tmp = enc->frame_size;
1459 enc->frame_size = fifo_bytes / (2 * enc->channels);
1460 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1461 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1462 enc->frame_size = fs_tmp;
1465 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1468 fprintf(stderr, "Audio encoding failed\n");
1472 pkt.flags |= PKT_FLAG_KEY;
1474 case CODEC_TYPE_VIDEO:
1475 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1477 fprintf(stderr, "Video encoding failed\n");
1481 if(enc->coded_frame && enc->coded_frame->key_frame)
1482 pkt.flags |= PKT_FLAG_KEY;
1483 if (ost->logfile && enc->stats_out) {
1484 fprintf(ost->logfile, "%s", enc->stats_out);
1493 pkt.data= bit_buffer;
1495 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1496 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1497 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1509 static void print_sdp(AVFormatContext **avc, int n)
1513 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1514 printf("SDP:\n%s\n", sdp);
1518 static int stream_index_from_inputs(AVFormatContext **input_files,
1520 AVInputFile *file_table,
1521 AVInputStream **ist_table,
1522 enum CodecType type,
1526 for(z=0; z<nb_input_files; z++) {
1527 AVFormatContext *ic = input_files[z];
1528 for(p=0; p<ic->nb_programs; p++) {
1529 AVProgram *program = ic->programs[p];
1530 if(program->id != programid)
1532 for(q=0; q<program->nb_stream_indexes; q++) {
1533 int sidx = program->stream_index[q];
1534 int ris = file_table[z].ist_index + sidx;
1535 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1545 * The following code is the main loop of the file converter
1547 static int av_encode(AVFormatContext **output_files,
1548 int nb_output_files,
1549 AVFormatContext **input_files,
1551 AVStreamMap *stream_maps, int nb_stream_maps)
1553 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1554 AVFormatContext *is, *os;
1555 AVCodecContext *codec, *icodec;
1556 AVOutputStream *ost, **ost_table = NULL;
1557 AVInputStream *ist, **ist_table = NULL;
1558 AVInputFile *file_table;
1562 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1566 /* input stream init */
1568 for(i=0;i<nb_input_files;i++) {
1569 is = input_files[i];
1570 file_table[i].ist_index = j;
1571 file_table[i].nb_streams = is->nb_streams;
1572 j += is->nb_streams;
1576 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1580 for(i=0;i<nb_istreams;i++) {
1581 ist = av_mallocz(sizeof(AVInputStream));
1587 for(i=0;i<nb_input_files;i++) {
1588 is = input_files[i];
1589 for(k=0;k<is->nb_streams;k++) {
1590 ist = ist_table[j++];
1591 ist->st = is->streams[k];
1592 ist->file_index = i;
1594 ist->discard = 1; /* the stream is discarded by default
1598 ist->start = av_gettime();
1603 /* output stream init */
1605 for(i=0;i<nb_output_files;i++) {
1606 os = output_files[i];
1607 if (!os->nb_streams) {
1608 dump_format(output_files[i], i, output_files[i]->filename, 1);
1609 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1612 nb_ostreams += os->nb_streams;
1614 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1615 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1619 /* Sanity check the mapping args -- do the input files & streams exist? */
1620 for(i=0;i<nb_stream_maps;i++) {
1621 int fi = stream_maps[i].file_index;
1622 int si = stream_maps[i].stream_index;
1624 if (fi < 0 || fi > nb_input_files - 1 ||
1625 si < 0 || si > file_table[fi].nb_streams - 1) {
1626 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1629 fi = stream_maps[i].sync_file_index;
1630 si = stream_maps[i].sync_stream_index;
1631 if (fi < 0 || fi > nb_input_files - 1 ||
1632 si < 0 || si > file_table[fi].nb_streams - 1) {
1633 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1638 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1641 for(i=0;i<nb_ostreams;i++) {
1642 ost = av_mallocz(sizeof(AVOutputStream));
1649 for(k=0;k<nb_output_files;k++) {
1650 os = output_files[k];
1651 for(i=0;i<os->nb_streams;i++,n++) {
1654 ost->file_index = k;
1656 ost->st = os->streams[i];
1657 if (nb_stream_maps > 0) {
1658 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1659 stream_maps[n].stream_index;
1661 /* Sanity check that the stream types match */
1662 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1663 int i= ost->file_index;
1664 dump_format(output_files[i], i, output_files[i]->filename, 1);
1665 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1666 stream_maps[n].file_index, stream_maps[n].stream_index,
1667 ost->file_index, ost->index);
1674 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1676 ost->source_index = j;
1680 /* get corresponding input stream index : we select the first one with the right type */
1682 for(j=0;j<nb_istreams;j++) {
1685 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1686 ost->source_index = j;
1694 if(! opt_programid) {
1695 /* try again and reuse existing stream */
1696 for(j=0;j<nb_istreams;j++) {
1698 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1699 ost->source_index = j;
1705 int i= ost->file_index;
1706 dump_format(output_files[i], i, output_files[i]->filename, 1);
1707 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1708 ost->file_index, ost->index);
1713 ist = ist_table[ost->source_index];
1715 ost->sync_ist = (nb_stream_maps > 0) ?
1716 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1717 stream_maps[n].sync_stream_index] : ist;
1721 /* for each output stream, we compute the right encoding parameters */
1722 for(i=0;i<nb_ostreams;i++) {
1724 os = output_files[ost->file_index];
1725 ist = ist_table[ost->source_index];
1727 codec = ost->st->codec;
1728 icodec = ist->st->codec;
1730 if (!ost->st->language[0])
1731 av_strlcpy(ost->st->language, ist->st->language,
1732 sizeof(ost->st->language));
1734 ost->st->disposition = ist->st->disposition;
1736 if (ost->st->stream_copy) {
1737 /* if stream_copy is selected, no need to decode or encode */
1738 codec->codec_id = icodec->codec_id;
1739 codec->codec_type = icodec->codec_type;
1741 if(!codec->codec_tag){
1742 if( !os->oformat->codec_tag
1743 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1744 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1745 codec->codec_tag = icodec->codec_tag;
1748 codec->bit_rate = icodec->bit_rate;
1749 codec->extradata= icodec->extradata;
1750 codec->extradata_size= icodec->extradata_size;
1751 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1752 codec->time_base = icodec->time_base;
1754 codec->time_base = ist->st->time_base;
1755 switch(codec->codec_type) {
1756 case CODEC_TYPE_AUDIO:
1757 if(audio_volume != 256) {
1758 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1761 codec->channel_layout = icodec->channel_layout;
1762 codec->sample_rate = icodec->sample_rate;
1763 codec->channels = icodec->channels;
1764 codec->frame_size = icodec->frame_size;
1765 codec->block_align= icodec->block_align;
1766 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1767 codec->block_align= 0;
1768 if(codec->codec_id == CODEC_ID_AC3)
1769 codec->block_align= 0;
1771 case CODEC_TYPE_VIDEO:
1773 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1776 codec->pix_fmt = icodec->pix_fmt;
1777 codec->width = icodec->width;
1778 codec->height = icodec->height;
1779 codec->has_b_frames = icodec->has_b_frames;
1781 case CODEC_TYPE_SUBTITLE:
1782 codec->width = icodec->width;
1783 codec->height = icodec->height;
1789 switch(codec->codec_type) {
1790 case CODEC_TYPE_AUDIO:
1791 if (av_fifo_init(&ost->fifo, 1024))
1793 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1794 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1795 icodec->request_channels = codec->channels;
1796 ist->decoding_needed = 1;
1797 ost->encoding_needed = 1;
1799 case CODEC_TYPE_VIDEO:
1800 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1801 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1802 ost->video_resample = ((codec->width != icodec->width -
1803 (frame_leftBand + frame_rightBand) +
1804 (frame_padleft + frame_padright)) ||
1805 (codec->height != icodec->height -
1806 (frame_topBand + frame_bottomBand) +
1807 (frame_padtop + frame_padbottom)) ||
1808 (codec->pix_fmt != icodec->pix_fmt));
1809 if (ost->video_crop) {
1810 ost->topBand = frame_topBand;
1811 ost->leftBand = frame_leftBand;
1813 if (ost->video_pad) {
1814 ost->padtop = frame_padtop;
1815 ost->padleft = frame_padleft;
1816 ost->padbottom = frame_padbottom;
1817 ost->padright = frame_padright;
1818 if (!ost->video_resample) {
1819 avcodec_get_frame_defaults(&ost->pict_tmp);
1820 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1821 codec->width, codec->height))
1825 if (ost->video_resample) {
1826 avcodec_get_frame_defaults(&ost->pict_tmp);
1827 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1828 codec->width, codec->height)) {
1829 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1832 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1833 ost->img_resample_ctx = sws_getContext(
1834 icodec->width - (frame_leftBand + frame_rightBand),
1835 icodec->height - (frame_topBand + frame_bottomBand),
1837 codec->width - (frame_padleft + frame_padright),
1838 codec->height - (frame_padtop + frame_padbottom),
1840 sws_flags, NULL, NULL, NULL);
1841 if (ost->img_resample_ctx == NULL) {
1842 fprintf(stderr, "Cannot get resampling context\n");
1845 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1847 ost->encoding_needed = 1;
1848 ist->decoding_needed = 1;
1850 case CODEC_TYPE_SUBTITLE:
1851 ost->encoding_needed = 1;
1852 ist->decoding_needed = 1;
1859 if (ost->encoding_needed &&
1860 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1861 char logfilename[1024];
1866 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1867 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1869 if (codec->flags & CODEC_FLAG_PASS1) {
1870 f = fopen(logfilename, "w");
1872 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1877 /* read the log file */
1878 f = fopen(logfilename, "r");
1880 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1883 fseek(f, 0, SEEK_END);
1885 fseek(f, 0, SEEK_SET);
1886 logbuffer = av_malloc(size + 1);
1888 fprintf(stderr, "Could not allocate log buffer\n");
1891 size = fread(logbuffer, 1, size, f);
1893 logbuffer[size] = '\0';
1894 codec->stats_in = logbuffer;
1898 if(codec->codec_type == CODEC_TYPE_VIDEO){
1899 int size= codec->width * codec->height;
1900 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1905 bit_buffer = av_malloc(bit_buffer_size);
1909 /* dump the file output parameters - cannot be done before in case
1911 for(i=0;i<nb_output_files;i++) {
1912 dump_format(output_files[i], i, output_files[i]->filename, 1);
1915 /* dump the stream mapping */
1917 fprintf(stderr, "Stream mapping:\n");
1918 for(i=0;i<nb_ostreams;i++) {
1920 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1921 ist_table[ost->source_index]->file_index,
1922 ist_table[ost->source_index]->index,
1925 if (ost->sync_ist != ist_table[ost->source_index])
1926 fprintf(stderr, " [sync #%d.%d]",
1927 ost->sync_ist->file_index,
1928 ost->sync_ist->index);
1929 fprintf(stderr, "\n");
1933 /* open each encoder */
1934 for(i=0;i<nb_ostreams;i++) {
1936 if (ost->encoding_needed) {
1937 AVCodec *codec = output_codecs[i];
1939 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1941 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1942 ost->file_index, ost->index);
1945 if (avcodec_open(ost->st->codec, codec) < 0) {
1946 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1947 ost->file_index, ost->index);
1950 extra_size += ost->st->codec->extradata_size;
1954 /* open each decoder */
1955 for(i=0;i<nb_istreams;i++) {
1957 if (ist->decoding_needed) {
1958 AVCodec *codec = input_codecs[i];
1960 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1962 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1963 ist->st->codec->codec_id, ist->file_index, ist->index);
1966 if (avcodec_open(ist->st->codec, codec) < 0) {
1967 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1968 ist->file_index, ist->index);
1971 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1972 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1977 for(i=0;i<nb_istreams;i++) {
1979 is = input_files[ist->file_index];
1981 ist->next_pts = AV_NOPTS_VALUE;
1985 /* set meta data information from input file if required */
1986 for (i=0;i<nb_meta_data_maps;i++) {
1987 AVFormatContext *out_file;
1988 AVFormatContext *in_file;
1990 int out_file_index = meta_data_maps[i].out_file;
1991 int in_file_index = meta_data_maps[i].in_file;
1992 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1993 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1994 ret = AVERROR(EINVAL);
1997 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1998 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1999 ret = AVERROR(EINVAL);
2003 out_file = output_files[out_file_index];
2004 in_file = input_files[in_file_index];
2006 strcpy(out_file->title, in_file->title);
2007 strcpy(out_file->author, in_file->author);
2008 strcpy(out_file->copyright, in_file->copyright);
2009 strcpy(out_file->comment, in_file->comment);
2010 strcpy(out_file->album, in_file->album);
2011 out_file->year = in_file->year;
2012 out_file->track = in_file->track;
2013 strcpy(out_file->genre, in_file->genre);
2016 /* open files and write file headers */
2017 for(i=0;i<nb_output_files;i++) {
2018 os = output_files[i];
2019 if (av_write_header(os) < 0) {
2020 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2021 ret = AVERROR(EINVAL);
2024 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2029 print_sdp(output_files, nb_output_files);
2032 if (!using_stdin && verbose >= 0) {
2033 fprintf(stderr, "Press [q] to stop encoding\n");
2034 url_set_interrupt_cb(decode_interrupt_cb);
2039 timer_start = av_gettime();
2041 for(; received_sigterm == 0;) {
2042 int file_index, ist_index;
2050 /* if 'q' pressed, exits */
2054 /* read_key() returns 0 on EOF */
2060 /* select the stream that we must read now by looking at the
2061 smallest output pts */
2063 for(i=0;i<nb_ostreams;i++) {
2066 os = output_files[ost->file_index];
2067 ist = ist_table[ost->source_index];
2068 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2069 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2071 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2072 ipts = (double)ist->pts;
2073 if (!file_table[ist->file_index].eof_reached){
2074 if(ipts < ipts_min) {
2076 if(input_sync ) file_index = ist->file_index;
2078 if(opts < opts_min) {
2080 if(!input_sync) file_index = ist->file_index;
2083 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2088 /* if none, if is finished */
2089 if (file_index < 0) {
2093 /* finish if recording time exhausted */
2094 if (opts_min >= (recording_time / 1000000.0))
2097 /* finish if limit size exhausted */
2098 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2101 /* read a frame from it and output it in the fifo */
2102 is = input_files[file_index];
2103 if (av_read_frame(is, &pkt) < 0) {
2104 file_table[file_index].eof_reached = 1;
2112 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2114 /* the following test is needed in case new streams appear
2115 dynamically in stream : we ignore them */
2116 if (pkt.stream_index >= file_table[file_index].nb_streams)
2117 goto discard_packet;
2118 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2119 ist = ist_table[ist_index];
2121 goto discard_packet;
2123 if (pkt.dts != AV_NOPTS_VALUE)
2124 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2125 if (pkt.pts != AV_NOPTS_VALUE)
2126 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2128 if(input_files_ts_scale[file_index][pkt.stream_index]){
2129 if(pkt.pts != AV_NOPTS_VALUE)
2130 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2131 if(pkt.dts != AV_NOPTS_VALUE)
2132 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2135 // 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);
2136 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2137 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2138 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2139 int64_t delta= pkt_dts - ist->next_pts;
2140 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2141 input_files_ts_offset[ist->file_index]-= delta;
2143 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2144 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2145 if(pkt.pts != AV_NOPTS_VALUE)
2146 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2150 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2151 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2154 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2155 ist->file_index, ist->index);
2158 av_free_packet(&pkt);
2163 av_free_packet(&pkt);
2165 /* dump report by using the output first video and audio streams */
2166 print_report(output_files, ost_table, nb_ostreams, 0);
2169 /* at the end of stream, we must flush the decoder buffers */
2170 for(i=0;i<nb_istreams;i++) {
2172 if (ist->decoding_needed) {
2173 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2179 /* write the trailer if needed and close file */
2180 for(i=0;i<nb_output_files;i++) {
2181 os = output_files[i];
2182 av_write_trailer(os);
2185 /* dump report by using the first video and audio streams */
2186 print_report(output_files, ost_table, nb_ostreams, 1);
2188 /* close each encoder */
2189 for(i=0;i<nb_ostreams;i++) {
2191 if (ost->encoding_needed) {
2192 av_freep(&ost->st->codec->stats_in);
2193 avcodec_close(ost->st->codec);
2197 /* close each decoder */
2198 for(i=0;i<nb_istreams;i++) {
2200 if (ist->decoding_needed) {
2201 avcodec_close(ist->st->codec);
2209 av_freep(&bit_buffer);
2210 av_free(file_table);
2213 for(i=0;i<nb_istreams;i++) {
2220 for(i=0;i<nb_ostreams;i++) {
2224 fclose(ost->logfile);
2225 ost->logfile = NULL;
2227 av_fifo_free(&ost->fifo); /* works even if fifo is not
2228 initialized but set to zero */
2229 av_free(ost->pict_tmp.data[0]);
2230 if (ost->video_resample)
2231 sws_freeContext(ost->img_resample_ctx);
2233 audio_resample_close(ost->resample);
2234 if (ost->reformat_ctx)
2235 av_audio_convert_free(ost->reformat_ctx);
2243 ret = AVERROR(ENOMEM);
2248 int file_read(const char *filename)
2251 unsigned char buffer[1024];
2254 if (url_open(&h, filename, O_RDONLY) < 0) {
2255 printf("could not open '%s'\n", filename);
2259 len = url_read(h, buffer, sizeof(buffer));
2262 for(i=0;i<len;i++) putchar(buffer[i]);
2269 static void opt_format(const char *arg)
2271 /* compatibility stuff for pgmyuv */
2272 if (!strcmp(arg, "pgmyuv")) {
2273 pgmyuv_compatibility_hack=1;
2274 // opt_image_format(arg);
2276 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2279 file_iformat = av_find_input_format(arg);
2280 file_oformat = guess_format(arg, NULL, NULL);
2281 if (!file_iformat && !file_oformat) {
2282 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2287 static void opt_video_rc_override_string(const char *arg)
2289 video_rc_override_string = arg;
2292 static int opt_me_threshold(const char *opt, const char *arg)
2294 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2298 static int opt_verbose(const char *opt, const char *arg)
2300 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2301 av_log_set_level(verbose);
2305 static int opt_frame_rate(const char *opt, const char *arg)
2307 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2308 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2314 static int opt_bitrate(const char *opt, const char *arg)
2316 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2318 opt_default(opt, arg);
2320 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2321 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2326 static void opt_frame_crop_top(const char *arg)
2328 frame_topBand = atoi(arg);
2329 if (frame_topBand < 0) {
2330 fprintf(stderr, "Incorrect top crop size\n");
2333 if ((frame_topBand % 2) != 0) {
2334 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2337 if ((frame_topBand) >= frame_height){
2338 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2341 frame_height -= frame_topBand;
2344 static void opt_frame_crop_bottom(const char *arg)
2346 frame_bottomBand = atoi(arg);
2347 if (frame_bottomBand < 0) {
2348 fprintf(stderr, "Incorrect bottom crop size\n");
2351 if ((frame_bottomBand % 2) != 0) {
2352 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2355 if ((frame_bottomBand) >= frame_height){
2356 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2359 frame_height -= frame_bottomBand;
2362 static void opt_frame_crop_left(const char *arg)
2364 frame_leftBand = atoi(arg);
2365 if (frame_leftBand < 0) {
2366 fprintf(stderr, "Incorrect left crop size\n");
2369 if ((frame_leftBand % 2) != 0) {
2370 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2373 if ((frame_leftBand) >= frame_width){
2374 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2377 frame_width -= frame_leftBand;
2380 static void opt_frame_crop_right(const char *arg)
2382 frame_rightBand = atoi(arg);
2383 if (frame_rightBand < 0) {
2384 fprintf(stderr, "Incorrect right crop size\n");
2387 if ((frame_rightBand % 2) != 0) {
2388 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2391 if ((frame_rightBand) >= frame_width){
2392 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2395 frame_width -= frame_rightBand;
2398 static void opt_frame_size(const char *arg)
2400 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2401 fprintf(stderr, "Incorrect frame size\n");
2404 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2405 fprintf(stderr, "Frame size must be a multiple of 2\n");
2411 #define SCALEBITS 10
2412 #define ONE_HALF (1 << (SCALEBITS - 1))
2413 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2415 #define RGB_TO_Y(r, g, b) \
2416 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2417 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2419 #define RGB_TO_U(r1, g1, b1, shift)\
2420 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2421 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2423 #define RGB_TO_V(r1, g1, b1, shift)\
2424 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2425 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2427 static void opt_pad_color(const char *arg) {
2428 /* Input is expected to be six hex digits similar to
2429 how colors are expressed in html tags (but without the #) */
2430 int rgb = strtol(arg, NULL, 16);
2434 g = ((rgb >> 8) & 255);
2437 padcolor[0] = RGB_TO_Y(r,g,b);
2438 padcolor[1] = RGB_TO_U(r,g,b,0);
2439 padcolor[2] = RGB_TO_V(r,g,b,0);
2442 static void opt_frame_pad_top(const char *arg)
2444 frame_padtop = atoi(arg);
2445 if (frame_padtop < 0) {
2446 fprintf(stderr, "Incorrect top pad size\n");
2449 if ((frame_padtop % 2) != 0) {
2450 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2455 static void opt_frame_pad_bottom(const char *arg)
2457 frame_padbottom = atoi(arg);
2458 if (frame_padbottom < 0) {
2459 fprintf(stderr, "Incorrect bottom pad size\n");
2462 if ((frame_padbottom % 2) != 0) {
2463 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2469 static void opt_frame_pad_left(const char *arg)
2471 frame_padleft = atoi(arg);
2472 if (frame_padleft < 0) {
2473 fprintf(stderr, "Incorrect left pad size\n");
2476 if ((frame_padleft % 2) != 0) {
2477 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2483 static void opt_frame_pad_right(const char *arg)
2485 frame_padright = atoi(arg);
2486 if (frame_padright < 0) {
2487 fprintf(stderr, "Incorrect right pad size\n");
2490 if ((frame_padright % 2) != 0) {
2491 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2496 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2500 for (i=-1; i < nb_fmts; i++) {
2501 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2502 fprintf(stdout, "%s\n", fmt_str);
2506 static void opt_frame_pix_fmt(const char *arg)
2508 if (strcmp(arg, "list"))
2509 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2511 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2516 static void opt_frame_aspect_ratio(const char *arg)
2523 p = strchr(arg, ':');
2525 x = strtol(arg, &end, 10);
2527 y = strtol(end+1, &end, 10);
2529 ar = (double)x / (double)y;
2531 ar = strtod(arg, NULL);
2534 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2537 frame_aspect_ratio = ar;
2540 static void opt_qscale(const char *arg)
2542 video_qscale = atof(arg);
2543 if (video_qscale <= 0 ||
2544 video_qscale > 255) {
2545 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2550 static void opt_top_field_first(const char *arg)
2552 top_field_first= atoi(arg);
2555 static int opt_thread_count(const char *opt, const char *arg)
2557 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2560 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2565 static void opt_audio_sample_fmt(const char *arg)
2567 if (strcmp(arg, "list"))
2568 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2570 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2575 static int opt_audio_rate(const char *opt, const char *arg)
2577 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2581 static int opt_audio_channels(const char *opt, const char *arg)
2583 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2587 static void opt_video_channel(const char *arg)
2589 video_channel = strtol(arg, NULL, 0);
2592 static void opt_video_standard(const char *arg)
2594 video_standard = av_strdup(arg);
2597 static void opt_codec(int *pstream_copy, char **pcodec_name,
2598 int codec_type, const char *arg)
2600 av_freep(pcodec_name);
2601 if (!strcmp(arg, "copy")) {
2604 *pcodec_name = av_strdup(arg);
2608 static void opt_audio_codec(const char *arg)
2610 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2613 static void opt_audio_tag(const char *arg)
2616 audio_codec_tag= strtol(arg, &tail, 0);
2619 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2622 static void opt_video_tag(const char *arg)
2625 video_codec_tag= strtol(arg, &tail, 0);
2628 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2632 static void add_frame_hooker(const char *arg)
2637 char *args = av_strdup(arg);
2641 argv[0] = strtok(args, " ");
2642 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2645 i = frame_hook_add(argc, argv);
2648 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2654 static void opt_video_codec(const char *arg)
2656 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2659 static void opt_subtitle_codec(const char *arg)
2661 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2664 static void opt_map(const char *arg)
2669 m = &stream_maps[nb_stream_maps++];
2671 m->file_index = strtol(arg, &p, 0);
2675 m->stream_index = strtol(p, &p, 0);
2678 m->sync_file_index = strtol(p, &p, 0);
2681 m->sync_stream_index = strtol(p, &p, 0);
2683 m->sync_file_index = m->file_index;
2684 m->sync_stream_index = m->stream_index;
2688 static void opt_map_meta_data(const char *arg)
2693 m = &meta_data_maps[nb_meta_data_maps++];
2695 m->out_file = strtol(arg, &p, 0);
2699 m->in_file = strtol(p, &p, 0);
2702 static void opt_input_ts_scale(const char *arg)
2704 unsigned int stream;
2708 stream = strtol(arg, &p, 0);
2711 scale= strtod(p, &p);
2713 if(stream >= MAX_STREAMS)
2716 input_files_ts_scale[nb_input_files][stream]= scale;
2719 static int opt_recording_time(const char *opt, const char *arg)
2721 recording_time = parse_time_or_die(opt, arg, 1);
2725 static int opt_start_time(const char *opt, const char *arg)
2727 start_time = parse_time_or_die(opt, arg, 1);
2731 static int opt_rec_timestamp(const char *opt, const char *arg)
2733 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2737 static int opt_input_ts_offset(const char *opt, const char *arg)
2739 input_ts_offset = parse_time_or_die(opt, arg, 1);
2743 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2745 const char *codec_string = encoder ? "encoder" : "decoder";
2749 return CODEC_ID_NONE;
2751 avcodec_find_encoder_by_name(name) :
2752 avcodec_find_decoder_by_name(name);
2754 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2757 if(codec->type != type) {
2758 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2764 static void opt_input_file(const char *filename)
2766 AVFormatContext *ic;
2767 AVFormatParameters params, *ap = ¶ms;
2768 int err, i, ret, rfps, rfps_base;
2771 if (!strcmp(filename, "-"))
2774 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2775 !strcmp(filename, "/dev/stdin");
2777 /* get default parameters from command line */
2778 ic = av_alloc_format_context();
2780 memset(ap, 0, sizeof(*ap));
2781 ap->prealloced_context = 1;
2782 ap->sample_rate = audio_sample_rate;
2783 ap->channels = audio_channels;
2784 ap->time_base.den = frame_rate.num;
2785 ap->time_base.num = frame_rate.den;
2786 ap->width = frame_width + frame_padleft + frame_padright;
2787 ap->height = frame_height + frame_padtop + frame_padbottom;
2788 ap->pix_fmt = frame_pix_fmt;
2789 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2790 ap->channel = video_channel;
2791 ap->standard = video_standard;
2792 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2793 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2794 if(pgmyuv_compatibility_hack)
2795 ap->video_codec_id= CODEC_ID_PGMYUV;
2797 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2799 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2800 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2801 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2803 /* open the input file with generic libav function */
2804 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2806 print_error(filename, err);
2811 for(i=0; i<ic->nb_programs; i++)
2812 if(ic->programs[i]->id != opt_programid)
2813 ic->programs[i]->discard = AVDISCARD_ALL;
2816 ic->loop_input = loop_input;
2818 /* If not enough info to get the stream parameters, we decode the
2819 first frames to get it. (used in mpeg case for example) */
2820 ret = av_find_stream_info(ic);
2821 if (ret < 0 && verbose >= 0) {
2822 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2826 timestamp = start_time;
2827 /* add the stream start time */
2828 if (ic->start_time != AV_NOPTS_VALUE)
2829 timestamp += ic->start_time;
2831 /* if seeking requested, we execute it */
2832 if (start_time != 0) {
2833 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2835 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2836 filename, (double)timestamp / AV_TIME_BASE);
2838 /* reset seek info */
2842 /* update the current parameters so that they match the one of the input stream */
2843 for(i=0;i<ic->nb_streams;i++) {
2844 AVCodecContext *enc = ic->streams[i]->codec;
2846 avcodec_thread_init(enc, thread_count);
2847 enc->thread_count= thread_count;
2848 switch(enc->codec_type) {
2849 case CODEC_TYPE_AUDIO:
2850 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2851 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2852 channel_layout = enc->channel_layout;
2853 audio_channels = enc->channels;
2854 audio_sample_rate = enc->sample_rate;
2855 audio_sample_fmt = enc->sample_fmt;
2856 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2858 ic->streams[i]->discard= AVDISCARD_ALL;
2860 case CODEC_TYPE_VIDEO:
2861 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2862 frame_height = enc->height;
2863 frame_width = enc->width;
2864 if(ic->streams[i]->sample_aspect_ratio.num)
2865 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2867 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2868 frame_aspect_ratio *= (float) enc->width / enc->height;
2869 frame_pix_fmt = enc->pix_fmt;
2870 rfps = ic->streams[i]->r_frame_rate.num;
2871 rfps_base = ic->streams[i]->r_frame_rate.den;
2872 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2874 enc->debug |= FF_DEBUG_MV;
2876 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2879 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2880 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2882 (float)rfps / rfps_base, rfps, rfps_base);
2884 /* update the current frame rate to match the stream frame rate */
2885 frame_rate.num = rfps;
2886 frame_rate.den = rfps_base;
2888 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2890 ic->streams[i]->discard= AVDISCARD_ALL;
2891 else if(video_discard)
2892 ic->streams[i]->discard= video_discard;
2894 case CODEC_TYPE_DATA:
2896 case CODEC_TYPE_SUBTITLE:
2897 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2898 if(subtitle_disable)
2899 ic->streams[i]->discard = AVDISCARD_ALL;
2901 case CODEC_TYPE_ATTACHMENT:
2902 case CODEC_TYPE_UNKNOWN:
2910 input_files[nb_input_files] = ic;
2911 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2912 /* dump the file content */
2914 dump_format(ic, nb_input_files, filename, 0);
2917 file_iformat = NULL;
2918 file_oformat = NULL;
2922 av_freep(&video_codec_name);
2923 av_freep(&audio_codec_name);
2924 av_freep(&subtitle_codec_name);
2927 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2928 int *has_subtitle_ptr)
2930 int has_video, has_audio, has_subtitle, i, j;
2931 AVFormatContext *ic;
2936 for(j=0;j<nb_input_files;j++) {
2937 ic = input_files[j];
2938 for(i=0;i<ic->nb_streams;i++) {
2939 AVCodecContext *enc = ic->streams[i]->codec;
2940 switch(enc->codec_type) {
2941 case CODEC_TYPE_AUDIO:
2944 case CODEC_TYPE_VIDEO:
2947 case CODEC_TYPE_SUBTITLE:
2950 case CODEC_TYPE_DATA:
2951 case CODEC_TYPE_ATTACHMENT:
2952 case CODEC_TYPE_UNKNOWN:
2959 *has_video_ptr = has_video;
2960 *has_audio_ptr = has_audio;
2961 *has_subtitle_ptr = has_subtitle;
2964 static void new_video_stream(AVFormatContext *oc)
2967 AVCodecContext *video_enc;
2970 st = av_new_stream(oc, oc->nb_streams);
2972 fprintf(stderr, "Could not alloc stream\n");
2975 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2976 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2977 video_bitstream_filters= NULL;
2980 avcodec_thread_init(st->codec, thread_count);
2982 video_enc = st->codec;
2985 video_enc->codec_tag= video_codec_tag;
2987 if( (video_global_header&1)
2988 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2989 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2990 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2992 if(video_global_header&2){
2993 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2994 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2997 if (video_stream_copy) {
2998 st->stream_copy = 1;
2999 video_enc->codec_type = CODEC_TYPE_VIDEO;
3000 video_enc->sample_aspect_ratio =
3001 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3006 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3008 if (video_codec_name) {
3009 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3010 codec = avcodec_find_encoder_by_name(video_codec_name);
3011 output_codecs[nb_ocodecs] = codec;
3013 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3014 codec = avcodec_find_encoder(codec_id);
3017 video_enc->codec_id = codec_id;
3019 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3021 if (codec && codec->supported_framerates && !force_fps)
3022 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3023 video_enc->time_base.den = fps.num;
3024 video_enc->time_base.num = fps.den;
3026 video_enc->width = frame_width + frame_padright + frame_padleft;
3027 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3028 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3029 video_enc->pix_fmt = frame_pix_fmt;
3030 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3032 if(codec && codec->pix_fmts){
3033 const enum PixelFormat *p= codec->pix_fmts;
3035 if(*p == video_enc->pix_fmt)
3039 video_enc->pix_fmt = codec->pix_fmts[0];
3043 video_enc->gop_size = 0;
3044 if (video_qscale || same_quality) {
3045 video_enc->flags |= CODEC_FLAG_QSCALE;
3046 video_enc->global_quality=
3047 st->quality = FF_QP2LAMBDA * video_qscale;
3051 video_enc->intra_matrix = intra_matrix;
3053 video_enc->inter_matrix = inter_matrix;
3055 video_enc->thread_count = thread_count;
3056 p= video_rc_override_string;
3059 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3061 fprintf(stderr, "error parsing rc_override\n");
3064 video_enc->rc_override=
3065 av_realloc(video_enc->rc_override,
3066 sizeof(RcOverride)*(i+1));
3067 video_enc->rc_override[i].start_frame= start;
3068 video_enc->rc_override[i].end_frame = end;
3070 video_enc->rc_override[i].qscale= q;
3071 video_enc->rc_override[i].quality_factor= 1.0;
3074 video_enc->rc_override[i].qscale= 0;
3075 video_enc->rc_override[i].quality_factor= -q/100.0;
3080 video_enc->rc_override_count=i;
3081 if (!video_enc->rc_initial_buffer_occupancy)
3082 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3083 video_enc->me_threshold= me_threshold;
3084 video_enc->intra_dc_precision= intra_dc_precision - 8;
3087 video_enc->flags|= CODEC_FLAG_PSNR;
3092 video_enc->flags |= CODEC_FLAG_PASS1;
3094 video_enc->flags |= CODEC_FLAG_PASS2;
3100 /* reset some key parameters */
3102 av_freep(&video_codec_name);
3103 video_stream_copy = 0;
3106 static void new_audio_stream(AVFormatContext *oc)
3109 AVCodecContext *audio_enc;
3112 st = av_new_stream(oc, oc->nb_streams);
3114 fprintf(stderr, "Could not alloc stream\n");
3117 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3119 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3120 audio_bitstream_filters= NULL;
3123 avcodec_thread_init(st->codec, thread_count);
3125 audio_enc = st->codec;
3126 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3129 audio_enc->codec_tag= audio_codec_tag;
3131 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3132 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3133 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3135 if (audio_stream_copy) {
3136 st->stream_copy = 1;
3137 audio_enc->channels = audio_channels;
3141 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3143 if (audio_codec_name) {
3144 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3145 codec = avcodec_find_encoder_by_name(audio_codec_name);
3146 output_codecs[nb_ocodecs] = codec;
3148 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3149 codec = avcodec_find_encoder(codec_id);
3151 audio_enc->codec_id = codec_id;
3153 if (audio_qscale > QSCALE_NONE) {
3154 audio_enc->flags |= CODEC_FLAG_QSCALE;
3155 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3157 audio_enc->thread_count = thread_count;
3158 audio_enc->channels = audio_channels;
3159 audio_enc->sample_fmt = audio_sample_fmt;
3160 audio_enc->channel_layout = channel_layout;
3162 if(codec && codec->sample_fmts){
3163 const enum SampleFormat *p= codec->sample_fmts;
3165 if(*p == audio_enc->sample_fmt)
3169 audio_enc->sample_fmt = codec->sample_fmts[0];
3173 audio_enc->sample_rate = audio_sample_rate;
3174 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3175 if (audio_language) {
3176 av_strlcpy(st->language, audio_language, sizeof(st->language));
3177 av_free(audio_language);
3178 audio_language = NULL;
3181 /* reset some key parameters */
3183 av_freep(&audio_codec_name);
3184 audio_stream_copy = 0;
3187 static void new_subtitle_stream(AVFormatContext *oc)
3190 AVCodecContext *subtitle_enc;
3192 st = av_new_stream(oc, oc->nb_streams);
3194 fprintf(stderr, "Could not alloc stream\n");
3197 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3199 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3200 subtitle_bitstream_filters= NULL;
3202 subtitle_enc = st->codec;
3203 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3204 if (subtitle_stream_copy) {
3205 st->stream_copy = 1;
3207 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3208 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3209 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3213 if (subtitle_language) {
3214 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3215 av_free(subtitle_language);
3216 subtitle_language = NULL;
3219 subtitle_disable = 0;
3220 av_freep(&subtitle_codec_name);
3221 subtitle_stream_copy = 0;
3224 static void opt_new_audio_stream(void)
3226 AVFormatContext *oc;
3227 if (nb_output_files <= 0) {
3228 fprintf(stderr, "At least one output file must be specified\n");
3231 oc = output_files[nb_output_files - 1];
3232 new_audio_stream(oc);
3235 static void opt_new_video_stream(void)
3237 AVFormatContext *oc;
3238 if (nb_output_files <= 0) {
3239 fprintf(stderr, "At least one output file must be specified\n");
3242 oc = output_files[nb_output_files - 1];
3243 new_video_stream(oc);
3246 static void opt_new_subtitle_stream(void)
3248 AVFormatContext *oc;
3249 if (nb_output_files <= 0) {
3250 fprintf(stderr, "At least one output file must be specified\n");
3253 oc = output_files[nb_output_files - 1];
3254 new_subtitle_stream(oc);
3257 static void opt_output_file(const char *filename)
3259 AVFormatContext *oc;
3260 int use_video, use_audio, use_subtitle;
3261 int input_has_video, input_has_audio, input_has_subtitle;
3262 AVFormatParameters params, *ap = ¶ms;
3264 if (!strcmp(filename, "-"))
3267 oc = av_alloc_format_context();
3269 if (!file_oformat) {
3270 file_oformat = guess_format(NULL, filename, NULL);
3271 if (!file_oformat) {
3272 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3278 oc->oformat = file_oformat;
3279 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3281 if (!strcmp(file_oformat->name, "ffm") &&
3282 av_strstart(filename, "http:", NULL)) {
3283 /* special case for files sent to ffserver: we get the stream
3284 parameters from ffserver */
3285 int err = read_ffserver_streams(oc, filename);
3287 print_error(filename, err);
3291 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3292 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3293 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3295 /* disable if no corresponding type found and at least one
3297 if (nb_input_files > 0) {
3298 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3299 &input_has_subtitle);
3300 if (!input_has_video)
3302 if (!input_has_audio)
3304 if (!input_has_subtitle)
3308 /* manual disable */
3309 if (audio_disable) {
3312 if (video_disable) {
3315 if (subtitle_disable) {
3320 new_video_stream(oc);
3324 new_audio_stream(oc);
3328 new_subtitle_stream(oc);
3331 oc->timestamp = rec_timestamp;
3334 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3336 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3338 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3340 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3342 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3344 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3347 output_files[nb_output_files++] = oc;
3349 /* check filename in case of an image number is expected */
3350 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3351 if (!av_filename_number_test(oc->filename)) {
3352 print_error(oc->filename, AVERROR_NUMEXPECTED);
3357 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3358 /* test if it already exists to avoid loosing precious files */
3359 if (!file_overwrite &&
3360 (strchr(filename, ':') == NULL ||
3361 filename[1] == ':' ||
3362 av_strstart(filename, "file:", NULL))) {
3363 if (url_exist(filename)) {
3367 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3370 if (toupper(c) != 'Y') {
3371 fprintf(stderr, "Not overwriting - exiting\n");
3376 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3383 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3384 fprintf(stderr, "Could not open '%s'\n", filename);
3389 memset(ap, 0, sizeof(*ap));
3390 if (av_set_parameters(oc, ap) < 0) {
3391 fprintf(stderr, "%s: Invalid encoding parameters\n",
3396 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3397 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3398 oc->loop_output = loop_output;
3400 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3402 /* reset some options */
3403 file_oformat = NULL;
3404 file_iformat = NULL;
3407 /* same option as mencoder */
3408 static void opt_pass(const char *pass_str)
3411 pass = atoi(pass_str);
3412 if (pass != 1 && pass != 2) {
3413 fprintf(stderr, "pass number can be only 1 or 2\n");
3419 static int64_t getutime(void)
3422 struct rusage rusage;
3424 getrusage(RUSAGE_SELF, &rusage);
3425 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3426 #elif HAVE_GETPROCESSTIMES
3428 FILETIME c, e, k, u;
3429 proc = GetCurrentProcess();
3430 GetProcessTimes(proc, &c, &e, &k, &u);
3431 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3433 return av_gettime();
3437 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3440 const char *p = str;
3447 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3454 static void opt_inter_matrix(const char *arg)
3456 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3457 parse_matrix_coeffs(inter_matrix, arg);
3460 static void opt_intra_matrix(const char *arg)
3462 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3463 parse_matrix_coeffs(intra_matrix, arg);
3467 * Trivial log callback.
3468 * Only suitable for show_help and similar since it lacks prefix handling.
3470 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3472 vfprintf(stdout, fmt, vl);
3475 static void show_help(void)
3477 av_log_set_callback(log_callback_help);
3478 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3479 "Hyper fast Audio and Video encoder\n");
3481 show_help_options(options, "Main options:\n",
3482 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3483 show_help_options(options, "\nAdvanced options:\n",
3484 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3486 show_help_options(options, "\nVideo options:\n",
3487 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3489 show_help_options(options, "\nAdvanced Video options:\n",
3490 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3491 OPT_VIDEO | OPT_EXPERT);
3492 show_help_options(options, "\nAudio options:\n",
3493 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3495 show_help_options(options, "\nAdvanced Audio options:\n",
3496 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3497 OPT_AUDIO | OPT_EXPERT);
3498 show_help_options(options, "\nSubtitle options:\n",
3499 OPT_SUBTITLE | OPT_GRAB,
3501 show_help_options(options, "\nAudio/Video grab options:\n",
3505 av_opt_show(avctx_opts[0], NULL);
3507 av_opt_show(avformat_opts, NULL);
3509 av_opt_show(sws_opts, NULL);
3512 static void opt_target(const char *arg)
3515 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3517 if(!strncmp(arg, "pal-", 4)) {
3520 } else if(!strncmp(arg, "ntsc-", 5)) {
3523 } else if(!strncmp(arg, "film-", 5)) {
3528 /* Calculate FR via float to avoid int overflow */
3529 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3532 } else if((fr == 29970) || (fr == 23976)) {
3535 /* Try to determine PAL/NTSC by peeking in the input files */
3536 if(nb_input_files) {
3538 for(j = 0; j < nb_input_files; j++) {
3539 for(i = 0; i < input_files[j]->nb_streams; i++) {
3540 AVCodecContext *c = input_files[j]->streams[i]->codec;
3541 if(c->codec_type != CODEC_TYPE_VIDEO)
3543 fr = c->time_base.den * 1000 / c->time_base.num;
3547 } else if((fr == 29970) || (fr == 23976)) {
3557 if(verbose && norm >= 0)
3558 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3562 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3563 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3564 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3568 if(!strcmp(arg, "vcd")) {
3570 opt_video_codec("mpeg1video");
3571 opt_audio_codec("mp2");
3574 opt_frame_size(norm ? "352x240" : "352x288");
3575 opt_frame_rate(NULL, frame_rates[norm]);
3576 opt_default("gop", norm ? "18" : "15");
3578 opt_default("b", "1150000");
3579 opt_default("maxrate", "1150000");
3580 opt_default("minrate", "1150000");
3581 opt_default("bufsize", "327680"); // 40*1024*8;
3583 opt_default("ab", "224000");
3584 audio_sample_rate = 44100;
3587 opt_default("packetsize", "2324");
3588 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3590 /* We have to offset the PTS, so that it is consistent with the SCR.
3591 SCR starts at 36000, but the first two packs contain only padding
3592 and the first pack from the other stream, respectively, may also have
3593 been written before.
3594 So the real data starts at SCR 36000+3*1200. */
3595 mux_preload= (36000+3*1200) / 90000.0; //0.44
3596 } else if(!strcmp(arg, "svcd")) {
3598 opt_video_codec("mpeg2video");
3599 opt_audio_codec("mp2");
3602 opt_frame_size(norm ? "480x480" : "480x576");
3603 opt_frame_rate(NULL, frame_rates[norm]);
3604 opt_default("gop", norm ? "18" : "15");
3606 opt_default("b", "2040000");
3607 opt_default("maxrate", "2516000");
3608 opt_default("minrate", "0"); //1145000;
3609 opt_default("bufsize", "1835008"); //224*1024*8;
3610 opt_default("flags", "+scan_offset");
3613 opt_default("ab", "224000");
3614 audio_sample_rate = 44100;
3616 opt_default("packetsize", "2324");
3618 } else if(!strcmp(arg, "dvd")) {
3620 opt_video_codec("mpeg2video");
3621 opt_audio_codec("ac3");
3624 opt_frame_size(norm ? "720x480" : "720x576");
3625 opt_frame_rate(NULL, frame_rates[norm]);
3626 opt_default("gop", norm ? "18" : "15");
3628 opt_default("b", "6000000");
3629 opt_default("maxrate", "9000000");
3630 opt_default("minrate", "0"); //1500000;
3631 opt_default("bufsize", "1835008"); //224*1024*8;
3633 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3634 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3636 opt_default("ab", "448000");
3637 audio_sample_rate = 48000;
3639 } else if(!strncmp(arg, "dv", 2)) {
3643 opt_frame_size(norm ? "720x480" : "720x576");
3644 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3645 (norm ? "yuv411p" : "yuv420p"));
3646 opt_frame_rate(NULL, frame_rates[norm]);
3648 audio_sample_rate = 48000;
3652 fprintf(stderr, "Unknown target: %s\n", arg);
3657 static void opt_vstats_file (const char *arg)
3659 av_free (vstats_filename);
3660 vstats_filename=av_strdup (arg);
3663 static void opt_vstats (void)
3666 time_t today2 = time(NULL);
3667 struct tm *today = localtime(&today2);
3669 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3671 opt_vstats_file(filename);
3674 static int opt_bsf(const char *opt, const char *arg)
3676 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3677 AVBitStreamFilterContext **bsfp;
3680 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3684 bsfp= *opt == 'v' ? &video_bitstream_filters :
3685 *opt == 'a' ? &audio_bitstream_filters :
3686 &subtitle_bitstream_filters;
3688 bsfp= &(*bsfp)->next;
3695 static int opt_preset(const char *opt, const char *arg)
3698 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3700 const char *base[3]= { getenv("HOME"),
3705 for(i=!base[0]; i<3 && !f; i++){
3706 snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3707 f= fopen(filename, "r");
3709 char *codec_name= *opt == 'v' ? video_codec_name :
3710 *opt == 'a' ? audio_codec_name :
3711 subtitle_codec_name;
3712 snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3713 f= fopen(filename, "r");
3716 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3718 snprintf(filename, sizeof(filename), arg);
3719 f= fopen(filename, "r");
3723 fprintf(stderr, "File for preset '%s' not found\n", arg);
3728 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3729 if(line[0] == '#' && !e)
3731 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3733 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3736 if(!strcmp(tmp, "acodec")){
3737 opt_audio_codec(tmp2);
3738 }else if(!strcmp(tmp, "vcodec")){
3739 opt_video_codec(tmp2);
3740 }else if(!strcmp(tmp, "scodec")){
3741 opt_subtitle_codec(tmp2);
3742 }else if(opt_default(tmp, tmp2) < 0){
3743 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3753 static const OptionDef options[] = {
3755 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3756 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3757 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3758 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3759 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3760 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3761 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3762 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3763 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3764 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3765 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3766 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3767 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3768 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3769 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3770 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3771 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3772 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3773 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3774 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3775 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3776 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3777 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3778 "add timings for benchmarking" },
3779 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3780 "dump each input packet" },
3781 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3782 "when dumping packets, also dump the payload" },
3783 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3784 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3785 { "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)", "" },
3786 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3787 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3788 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3789 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3790 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3791 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3792 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3793 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3794 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3795 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3796 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3797 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3798 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3801 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3802 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3803 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3804 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3805 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3806 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3807 { "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" },
3808 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3809 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3810 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3811 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3812 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3813 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3814 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3815 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3816 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3817 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3818 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3819 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3820 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3821 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3822 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3823 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3824 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3825 "use same video quality as source (implies VBR)" },
3826 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3827 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3828 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3829 "deinterlace pictures" },
3830 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3831 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3832 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3834 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3836 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3837 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3838 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3839 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3840 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3841 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3842 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3843 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3846 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3847 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3848 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3849 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3850 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3851 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3852 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3853 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3854 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3855 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3856 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3857 { "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" },
3859 /* subtitle options */
3860 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3861 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3862 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3863 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3866 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3867 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3868 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3871 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3872 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3874 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3875 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3876 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3878 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3879 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3880 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3882 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3886 int main(int argc, char **argv)
3891 avcodec_register_all();
3892 avdevice_register_all();
3895 if(isatty(STDIN_FILENO))
3896 url_set_interrupt_cb(decode_interrupt_cb);
3898 for(i=0; i<CODEC_TYPE_NB; i++){
3899 avctx_opts[i]= avcodec_alloc_context2(i);
3901 avformat_opts = av_alloc_format_context();
3902 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3907 parse_options(argc, argv, options, opt_output_file);
3909 /* file converter / grab */
3910 if (nb_output_files <= 0) {
3911 fprintf(stderr, "At least one output file must be specified\n");
3915 if (nb_input_files == 0) {
3916 fprintf(stderr, "At least one input file must be specified\n");
3921 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3922 stream_maps, nb_stream_maps) < 0)
3924 ti = getutime() - ti;
3926 printf("bench: utime=%0.3fs\n", ti / 1000000.0);