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:
1787 switch(codec->codec_type) {
1788 case CODEC_TYPE_AUDIO:
1789 if (av_fifo_init(&ost->fifo, 1024))
1791 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1792 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1793 icodec->request_channels = codec->channels;
1794 ist->decoding_needed = 1;
1795 ost->encoding_needed = 1;
1797 case CODEC_TYPE_VIDEO:
1798 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1799 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1800 ost->video_resample = ((codec->width != icodec->width -
1801 (frame_leftBand + frame_rightBand) +
1802 (frame_padleft + frame_padright)) ||
1803 (codec->height != icodec->height -
1804 (frame_topBand + frame_bottomBand) +
1805 (frame_padtop + frame_padbottom)) ||
1806 (codec->pix_fmt != icodec->pix_fmt));
1807 if (ost->video_crop) {
1808 ost->topBand = frame_topBand;
1809 ost->leftBand = frame_leftBand;
1811 if (ost->video_pad) {
1812 ost->padtop = frame_padtop;
1813 ost->padleft = frame_padleft;
1814 ost->padbottom = frame_padbottom;
1815 ost->padright = frame_padright;
1816 if (!ost->video_resample) {
1817 avcodec_get_frame_defaults(&ost->pict_tmp);
1818 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1819 codec->width, codec->height))
1823 if (ost->video_resample) {
1824 avcodec_get_frame_defaults(&ost->pict_tmp);
1825 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1826 codec->width, codec->height)) {
1827 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1830 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1831 ost->img_resample_ctx = sws_getContext(
1832 icodec->width - (frame_leftBand + frame_rightBand),
1833 icodec->height - (frame_topBand + frame_bottomBand),
1835 codec->width - (frame_padleft + frame_padright),
1836 codec->height - (frame_padtop + frame_padbottom),
1838 sws_flags, NULL, NULL, NULL);
1839 if (ost->img_resample_ctx == NULL) {
1840 fprintf(stderr, "Cannot get resampling context\n");
1843 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1845 ost->encoding_needed = 1;
1846 ist->decoding_needed = 1;
1848 case CODEC_TYPE_SUBTITLE:
1849 ost->encoding_needed = 1;
1850 ist->decoding_needed = 1;
1857 if (ost->encoding_needed &&
1858 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1859 char logfilename[1024];
1864 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1865 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1867 if (codec->flags & CODEC_FLAG_PASS1) {
1868 f = fopen(logfilename, "w");
1870 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1875 /* read the log file */
1876 f = fopen(logfilename, "r");
1878 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1881 fseek(f, 0, SEEK_END);
1883 fseek(f, 0, SEEK_SET);
1884 logbuffer = av_malloc(size + 1);
1886 fprintf(stderr, "Could not allocate log buffer\n");
1889 size = fread(logbuffer, 1, size, f);
1891 logbuffer[size] = '\0';
1892 codec->stats_in = logbuffer;
1896 if(codec->codec_type == CODEC_TYPE_VIDEO){
1897 int size= codec->width * codec->height;
1898 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1903 bit_buffer = av_malloc(bit_buffer_size);
1907 /* dump the file output parameters - cannot be done before in case
1909 for(i=0;i<nb_output_files;i++) {
1910 dump_format(output_files[i], i, output_files[i]->filename, 1);
1913 /* dump the stream mapping */
1915 fprintf(stderr, "Stream mapping:\n");
1916 for(i=0;i<nb_ostreams;i++) {
1918 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1919 ist_table[ost->source_index]->file_index,
1920 ist_table[ost->source_index]->index,
1923 if (ost->sync_ist != ist_table[ost->source_index])
1924 fprintf(stderr, " [sync #%d.%d]",
1925 ost->sync_ist->file_index,
1926 ost->sync_ist->index);
1927 fprintf(stderr, "\n");
1931 /* open each encoder */
1932 for(i=0;i<nb_ostreams;i++) {
1934 if (ost->encoding_needed) {
1935 AVCodec *codec = output_codecs[i];
1937 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1939 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1940 ost->file_index, ost->index);
1943 if (avcodec_open(ost->st->codec, codec) < 0) {
1944 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1945 ost->file_index, ost->index);
1948 extra_size += ost->st->codec->extradata_size;
1952 /* open each decoder */
1953 for(i=0;i<nb_istreams;i++) {
1955 if (ist->decoding_needed) {
1956 AVCodec *codec = input_codecs[i];
1958 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1960 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1961 ist->st->codec->codec_id, ist->file_index, ist->index);
1964 if (avcodec_open(ist->st->codec, codec) < 0) {
1965 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1966 ist->file_index, ist->index);
1969 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1970 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1975 for(i=0;i<nb_istreams;i++) {
1977 is = input_files[ist->file_index];
1979 ist->next_pts = AV_NOPTS_VALUE;
1983 /* set meta data information from input file if required */
1984 for (i=0;i<nb_meta_data_maps;i++) {
1985 AVFormatContext *out_file;
1986 AVFormatContext *in_file;
1988 int out_file_index = meta_data_maps[i].out_file;
1989 int in_file_index = meta_data_maps[i].in_file;
1990 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1991 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1992 ret = AVERROR(EINVAL);
1995 if (in_file_index < 0 || in_file_index >= nb_input_files) {
1996 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1997 ret = AVERROR(EINVAL);
2001 out_file = output_files[out_file_index];
2002 in_file = input_files[in_file_index];
2004 strcpy(out_file->title, in_file->title);
2005 strcpy(out_file->author, in_file->author);
2006 strcpy(out_file->copyright, in_file->copyright);
2007 strcpy(out_file->comment, in_file->comment);
2008 strcpy(out_file->album, in_file->album);
2009 out_file->year = in_file->year;
2010 out_file->track = in_file->track;
2011 strcpy(out_file->genre, in_file->genre);
2014 /* open files and write file headers */
2015 for(i=0;i<nb_output_files;i++) {
2016 os = output_files[i];
2017 if (av_write_header(os) < 0) {
2018 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2019 ret = AVERROR(EINVAL);
2022 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2027 print_sdp(output_files, nb_output_files);
2030 if (!using_stdin && verbose >= 0) {
2031 fprintf(stderr, "Press [q] to stop encoding\n");
2032 url_set_interrupt_cb(decode_interrupt_cb);
2037 timer_start = av_gettime();
2039 for(; received_sigterm == 0;) {
2040 int file_index, ist_index;
2048 /* if 'q' pressed, exits */
2052 /* read_key() returns 0 on EOF */
2058 /* select the stream that we must read now by looking at the
2059 smallest output pts */
2061 for(i=0;i<nb_ostreams;i++) {
2064 os = output_files[ost->file_index];
2065 ist = ist_table[ost->source_index];
2066 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2067 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2069 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2070 ipts = (double)ist->pts;
2071 if (!file_table[ist->file_index].eof_reached){
2072 if(ipts < ipts_min) {
2074 if(input_sync ) file_index = ist->file_index;
2076 if(opts < opts_min) {
2078 if(!input_sync) file_index = ist->file_index;
2081 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2086 /* if none, if is finished */
2087 if (file_index < 0) {
2091 /* finish if recording time exhausted */
2092 if (opts_min >= (recording_time / 1000000.0))
2095 /* finish if limit size exhausted */
2096 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2099 /* read a frame from it and output it in the fifo */
2100 is = input_files[file_index];
2101 if (av_read_frame(is, &pkt) < 0) {
2102 file_table[file_index].eof_reached = 1;
2110 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2112 /* the following test is needed in case new streams appear
2113 dynamically in stream : we ignore them */
2114 if (pkt.stream_index >= file_table[file_index].nb_streams)
2115 goto discard_packet;
2116 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2117 ist = ist_table[ist_index];
2119 goto discard_packet;
2121 if (pkt.dts != AV_NOPTS_VALUE)
2122 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2123 if (pkt.pts != AV_NOPTS_VALUE)
2124 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2126 if(input_files_ts_scale[file_index][pkt.stream_index]){
2127 if(pkt.pts != AV_NOPTS_VALUE)
2128 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2129 if(pkt.dts != AV_NOPTS_VALUE)
2130 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2133 // 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);
2134 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2135 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2136 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2137 int64_t delta= pkt_dts - ist->next_pts;
2138 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2139 input_files_ts_offset[ist->file_index]-= delta;
2141 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2142 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2143 if(pkt.pts != AV_NOPTS_VALUE)
2144 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2148 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2149 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2152 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2153 ist->file_index, ist->index);
2156 av_free_packet(&pkt);
2161 av_free_packet(&pkt);
2163 /* dump report by using the output first video and audio streams */
2164 print_report(output_files, ost_table, nb_ostreams, 0);
2167 /* at the end of stream, we must flush the decoder buffers */
2168 for(i=0;i<nb_istreams;i++) {
2170 if (ist->decoding_needed) {
2171 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2177 /* write the trailer if needed and close file */
2178 for(i=0;i<nb_output_files;i++) {
2179 os = output_files[i];
2180 av_write_trailer(os);
2183 /* dump report by using the first video and audio streams */
2184 print_report(output_files, ost_table, nb_ostreams, 1);
2186 /* close each encoder */
2187 for(i=0;i<nb_ostreams;i++) {
2189 if (ost->encoding_needed) {
2190 av_freep(&ost->st->codec->stats_in);
2191 avcodec_close(ost->st->codec);
2195 /* close each decoder */
2196 for(i=0;i<nb_istreams;i++) {
2198 if (ist->decoding_needed) {
2199 avcodec_close(ist->st->codec);
2207 av_freep(&bit_buffer);
2208 av_free(file_table);
2211 for(i=0;i<nb_istreams;i++) {
2218 for(i=0;i<nb_ostreams;i++) {
2222 fclose(ost->logfile);
2223 ost->logfile = NULL;
2225 av_fifo_free(&ost->fifo); /* works even if fifo is not
2226 initialized but set to zero */
2227 av_free(ost->pict_tmp.data[0]);
2228 if (ost->video_resample)
2229 sws_freeContext(ost->img_resample_ctx);
2231 audio_resample_close(ost->resample);
2232 if (ost->reformat_ctx)
2233 av_audio_convert_free(ost->reformat_ctx);
2241 ret = AVERROR(ENOMEM);
2246 int file_read(const char *filename)
2249 unsigned char buffer[1024];
2252 if (url_open(&h, filename, O_RDONLY) < 0) {
2253 printf("could not open '%s'\n", filename);
2257 len = url_read(h, buffer, sizeof(buffer));
2260 for(i=0;i<len;i++) putchar(buffer[i]);
2267 static void opt_format(const char *arg)
2269 /* compatibility stuff for pgmyuv */
2270 if (!strcmp(arg, "pgmyuv")) {
2271 pgmyuv_compatibility_hack=1;
2272 // opt_image_format(arg);
2274 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2277 file_iformat = av_find_input_format(arg);
2278 file_oformat = guess_format(arg, NULL, NULL);
2279 if (!file_iformat && !file_oformat) {
2280 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2285 static void opt_video_rc_override_string(const char *arg)
2287 video_rc_override_string = arg;
2290 static int opt_me_threshold(const char *opt, const char *arg)
2292 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2296 static int opt_verbose(const char *opt, const char *arg)
2298 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2299 av_log_set_level(verbose);
2303 static int opt_frame_rate(const char *opt, const char *arg)
2305 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2306 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2312 static int opt_bitrate(const char *opt, const char *arg)
2314 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2316 opt_default(opt, arg);
2318 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2319 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2324 static void opt_frame_crop_top(const char *arg)
2326 frame_topBand = atoi(arg);
2327 if (frame_topBand < 0) {
2328 fprintf(stderr, "Incorrect top crop size\n");
2331 if ((frame_topBand % 2) != 0) {
2332 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2335 if ((frame_topBand) >= frame_height){
2336 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2339 frame_height -= frame_topBand;
2342 static void opt_frame_crop_bottom(const char *arg)
2344 frame_bottomBand = atoi(arg);
2345 if (frame_bottomBand < 0) {
2346 fprintf(stderr, "Incorrect bottom crop size\n");
2349 if ((frame_bottomBand % 2) != 0) {
2350 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2353 if ((frame_bottomBand) >= frame_height){
2354 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2357 frame_height -= frame_bottomBand;
2360 static void opt_frame_crop_left(const char *arg)
2362 frame_leftBand = atoi(arg);
2363 if (frame_leftBand < 0) {
2364 fprintf(stderr, "Incorrect left crop size\n");
2367 if ((frame_leftBand % 2) != 0) {
2368 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2371 if ((frame_leftBand) >= frame_width){
2372 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2375 frame_width -= frame_leftBand;
2378 static void opt_frame_crop_right(const char *arg)
2380 frame_rightBand = atoi(arg);
2381 if (frame_rightBand < 0) {
2382 fprintf(stderr, "Incorrect right crop size\n");
2385 if ((frame_rightBand % 2) != 0) {
2386 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2389 if ((frame_rightBand) >= frame_width){
2390 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2393 frame_width -= frame_rightBand;
2396 static void opt_frame_size(const char *arg)
2398 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2399 fprintf(stderr, "Incorrect frame size\n");
2402 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2403 fprintf(stderr, "Frame size must be a multiple of 2\n");
2409 #define SCALEBITS 10
2410 #define ONE_HALF (1 << (SCALEBITS - 1))
2411 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2413 #define RGB_TO_Y(r, g, b) \
2414 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2415 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2417 #define RGB_TO_U(r1, g1, b1, shift)\
2418 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2419 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2421 #define RGB_TO_V(r1, g1, b1, shift)\
2422 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2423 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2425 static void opt_pad_color(const char *arg) {
2426 /* Input is expected to be six hex digits similar to
2427 how colors are expressed in html tags (but without the #) */
2428 int rgb = strtol(arg, NULL, 16);
2432 g = ((rgb >> 8) & 255);
2435 padcolor[0] = RGB_TO_Y(r,g,b);
2436 padcolor[1] = RGB_TO_U(r,g,b,0);
2437 padcolor[2] = RGB_TO_V(r,g,b,0);
2440 static void opt_frame_pad_top(const char *arg)
2442 frame_padtop = atoi(arg);
2443 if (frame_padtop < 0) {
2444 fprintf(stderr, "Incorrect top pad size\n");
2447 if ((frame_padtop % 2) != 0) {
2448 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2453 static void opt_frame_pad_bottom(const char *arg)
2455 frame_padbottom = atoi(arg);
2456 if (frame_padbottom < 0) {
2457 fprintf(stderr, "Incorrect bottom pad size\n");
2460 if ((frame_padbottom % 2) != 0) {
2461 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2467 static void opt_frame_pad_left(const char *arg)
2469 frame_padleft = atoi(arg);
2470 if (frame_padleft < 0) {
2471 fprintf(stderr, "Incorrect left pad size\n");
2474 if ((frame_padleft % 2) != 0) {
2475 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2481 static void opt_frame_pad_right(const char *arg)
2483 frame_padright = atoi(arg);
2484 if (frame_padright < 0) {
2485 fprintf(stderr, "Incorrect right pad size\n");
2488 if ((frame_padright % 2) != 0) {
2489 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2494 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2498 for (i=-1; i < nb_fmts; i++) {
2499 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2500 fprintf(stdout, "%s\n", fmt_str);
2504 static void opt_frame_pix_fmt(const char *arg)
2506 if (strcmp(arg, "list"))
2507 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2509 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2514 static void opt_frame_aspect_ratio(const char *arg)
2521 p = strchr(arg, ':');
2523 x = strtol(arg, &end, 10);
2525 y = strtol(end+1, &end, 10);
2527 ar = (double)x / (double)y;
2529 ar = strtod(arg, NULL);
2532 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2535 frame_aspect_ratio = ar;
2538 static void opt_qscale(const char *arg)
2540 video_qscale = atof(arg);
2541 if (video_qscale <= 0 ||
2542 video_qscale > 255) {
2543 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2548 static void opt_top_field_first(const char *arg)
2550 top_field_first= atoi(arg);
2553 static int opt_thread_count(const char *opt, const char *arg)
2555 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2558 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2563 static void opt_audio_sample_fmt(const char *arg)
2565 if (strcmp(arg, "list"))
2566 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2568 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2573 static int opt_audio_rate(const char *opt, const char *arg)
2575 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2579 static int opt_audio_channels(const char *opt, const char *arg)
2581 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2585 static void opt_video_channel(const char *arg)
2587 video_channel = strtol(arg, NULL, 0);
2590 static void opt_video_standard(const char *arg)
2592 video_standard = av_strdup(arg);
2595 static void opt_codec(int *pstream_copy, char **pcodec_name,
2596 int codec_type, const char *arg)
2598 av_freep(pcodec_name);
2599 if (!strcmp(arg, "copy")) {
2602 *pcodec_name = av_strdup(arg);
2606 static void opt_audio_codec(const char *arg)
2608 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2611 static void opt_audio_tag(const char *arg)
2614 audio_codec_tag= strtol(arg, &tail, 0);
2617 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2620 static void opt_video_tag(const char *arg)
2623 video_codec_tag= strtol(arg, &tail, 0);
2626 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2630 static void add_frame_hooker(const char *arg)
2635 char *args = av_strdup(arg);
2639 argv[0] = strtok(args, " ");
2640 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2643 i = frame_hook_add(argc, argv);
2646 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2652 static void opt_video_codec(const char *arg)
2654 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2657 static void opt_subtitle_codec(const char *arg)
2659 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2662 static void opt_map(const char *arg)
2667 m = &stream_maps[nb_stream_maps++];
2669 m->file_index = strtol(arg, &p, 0);
2673 m->stream_index = strtol(p, &p, 0);
2676 m->sync_file_index = strtol(p, &p, 0);
2679 m->sync_stream_index = strtol(p, &p, 0);
2681 m->sync_file_index = m->file_index;
2682 m->sync_stream_index = m->stream_index;
2686 static void opt_map_meta_data(const char *arg)
2691 m = &meta_data_maps[nb_meta_data_maps++];
2693 m->out_file = strtol(arg, &p, 0);
2697 m->in_file = strtol(p, &p, 0);
2700 static void opt_input_ts_scale(const char *arg)
2702 unsigned int stream;
2706 stream = strtol(arg, &p, 0);
2709 scale= strtod(p, &p);
2711 if(stream >= MAX_STREAMS)
2714 input_files_ts_scale[nb_input_files][stream]= scale;
2717 static int opt_recording_time(const char *opt, const char *arg)
2719 recording_time = parse_time_or_die(opt, arg, 1);
2723 static int opt_start_time(const char *opt, const char *arg)
2725 start_time = parse_time_or_die(opt, arg, 1);
2729 static int opt_rec_timestamp(const char *opt, const char *arg)
2731 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2735 static int opt_input_ts_offset(const char *opt, const char *arg)
2737 input_ts_offset = parse_time_or_die(opt, arg, 1);
2741 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2743 const char *codec_string = encoder ? "encoder" : "decoder";
2747 return CODEC_ID_NONE;
2749 avcodec_find_encoder_by_name(name) :
2750 avcodec_find_decoder_by_name(name);
2752 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2755 if(codec->type != type) {
2756 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2762 static void opt_input_file(const char *filename)
2764 AVFormatContext *ic;
2765 AVFormatParameters params, *ap = ¶ms;
2766 int err, i, ret, rfps, rfps_base;
2769 if (!strcmp(filename, "-"))
2772 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2773 !strcmp(filename, "/dev/stdin");
2775 /* get default parameters from command line */
2776 ic = av_alloc_format_context();
2778 memset(ap, 0, sizeof(*ap));
2779 ap->prealloced_context = 1;
2780 ap->sample_rate = audio_sample_rate;
2781 ap->channels = audio_channels;
2782 ap->time_base.den = frame_rate.num;
2783 ap->time_base.num = frame_rate.den;
2784 ap->width = frame_width + frame_padleft + frame_padright;
2785 ap->height = frame_height + frame_padtop + frame_padbottom;
2786 ap->pix_fmt = frame_pix_fmt;
2787 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2788 ap->channel = video_channel;
2789 ap->standard = video_standard;
2790 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2791 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2792 if(pgmyuv_compatibility_hack)
2793 ap->video_codec_id= CODEC_ID_PGMYUV;
2795 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2797 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2798 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2799 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2801 /* open the input file with generic libav function */
2802 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2804 print_error(filename, err);
2809 for(i=0; i<ic->nb_programs; i++)
2810 if(ic->programs[i]->id != opt_programid)
2811 ic->programs[i]->discard = AVDISCARD_ALL;
2814 ic->loop_input = loop_input;
2816 /* If not enough info to get the stream parameters, we decode the
2817 first frames to get it. (used in mpeg case for example) */
2818 ret = av_find_stream_info(ic);
2819 if (ret < 0 && verbose >= 0) {
2820 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2824 timestamp = start_time;
2825 /* add the stream start time */
2826 if (ic->start_time != AV_NOPTS_VALUE)
2827 timestamp += ic->start_time;
2829 /* if seeking requested, we execute it */
2830 if (start_time != 0) {
2831 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2833 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2834 filename, (double)timestamp / AV_TIME_BASE);
2836 /* reset seek info */
2840 /* update the current parameters so that they match the one of the input stream */
2841 for(i=0;i<ic->nb_streams;i++) {
2842 AVCodecContext *enc = ic->streams[i]->codec;
2844 avcodec_thread_init(enc, thread_count);
2845 enc->thread_count= thread_count;
2846 switch(enc->codec_type) {
2847 case CODEC_TYPE_AUDIO:
2848 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2849 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2850 channel_layout = enc->channel_layout;
2851 audio_channels = enc->channels;
2852 audio_sample_rate = enc->sample_rate;
2853 audio_sample_fmt = enc->sample_fmt;
2854 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2856 ic->streams[i]->discard= AVDISCARD_ALL;
2858 case CODEC_TYPE_VIDEO:
2859 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2860 frame_height = enc->height;
2861 frame_width = enc->width;
2862 if(ic->streams[i]->sample_aspect_ratio.num)
2863 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2865 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2866 frame_aspect_ratio *= (float) enc->width / enc->height;
2867 frame_pix_fmt = enc->pix_fmt;
2868 rfps = ic->streams[i]->r_frame_rate.num;
2869 rfps_base = ic->streams[i]->r_frame_rate.den;
2870 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2872 enc->debug |= FF_DEBUG_MV;
2874 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2877 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2878 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2880 (float)rfps / rfps_base, rfps, rfps_base);
2882 /* update the current frame rate to match the stream frame rate */
2883 frame_rate.num = rfps;
2884 frame_rate.den = rfps_base;
2886 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2888 ic->streams[i]->discard= AVDISCARD_ALL;
2889 else if(video_discard)
2890 ic->streams[i]->discard= video_discard;
2892 case CODEC_TYPE_DATA:
2894 case CODEC_TYPE_SUBTITLE:
2895 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2896 if(subtitle_disable)
2897 ic->streams[i]->discard = AVDISCARD_ALL;
2899 case CODEC_TYPE_ATTACHMENT:
2900 case CODEC_TYPE_UNKNOWN:
2908 input_files[nb_input_files] = ic;
2909 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2910 /* dump the file content */
2912 dump_format(ic, nb_input_files, filename, 0);
2915 file_iformat = NULL;
2916 file_oformat = NULL;
2920 av_freep(&video_codec_name);
2921 av_freep(&audio_codec_name);
2922 av_freep(&subtitle_codec_name);
2925 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2926 int *has_subtitle_ptr)
2928 int has_video, has_audio, has_subtitle, i, j;
2929 AVFormatContext *ic;
2934 for(j=0;j<nb_input_files;j++) {
2935 ic = input_files[j];
2936 for(i=0;i<ic->nb_streams;i++) {
2937 AVCodecContext *enc = ic->streams[i]->codec;
2938 switch(enc->codec_type) {
2939 case CODEC_TYPE_AUDIO:
2942 case CODEC_TYPE_VIDEO:
2945 case CODEC_TYPE_SUBTITLE:
2948 case CODEC_TYPE_DATA:
2949 case CODEC_TYPE_ATTACHMENT:
2950 case CODEC_TYPE_UNKNOWN:
2957 *has_video_ptr = has_video;
2958 *has_audio_ptr = has_audio;
2959 *has_subtitle_ptr = has_subtitle;
2962 static void new_video_stream(AVFormatContext *oc)
2965 AVCodecContext *video_enc;
2968 st = av_new_stream(oc, oc->nb_streams);
2970 fprintf(stderr, "Could not alloc stream\n");
2973 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2974 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2975 video_bitstream_filters= NULL;
2978 avcodec_thread_init(st->codec, thread_count);
2980 video_enc = st->codec;
2983 video_enc->codec_tag= video_codec_tag;
2985 if( (video_global_header&1)
2986 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2987 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2988 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2990 if(video_global_header&2){
2991 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2992 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2995 if (video_stream_copy) {
2996 st->stream_copy = 1;
2997 video_enc->codec_type = CODEC_TYPE_VIDEO;
2998 video_enc->sample_aspect_ratio =
2999 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3004 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3006 if (video_codec_name) {
3007 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3008 codec = avcodec_find_encoder_by_name(video_codec_name);
3009 output_codecs[nb_ocodecs] = codec;
3011 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3012 codec = avcodec_find_encoder(codec_id);
3015 video_enc->codec_id = codec_id;
3017 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3019 if (codec && codec->supported_framerates && !force_fps)
3020 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3021 video_enc->time_base.den = fps.num;
3022 video_enc->time_base.num = fps.den;
3024 video_enc->width = frame_width + frame_padright + frame_padleft;
3025 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3026 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3027 video_enc->pix_fmt = frame_pix_fmt;
3028 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3030 if(codec && codec->pix_fmts){
3031 const enum PixelFormat *p= codec->pix_fmts;
3033 if(*p == video_enc->pix_fmt)
3037 video_enc->pix_fmt = codec->pix_fmts[0];
3041 video_enc->gop_size = 0;
3042 if (video_qscale || same_quality) {
3043 video_enc->flags |= CODEC_FLAG_QSCALE;
3044 video_enc->global_quality=
3045 st->quality = FF_QP2LAMBDA * video_qscale;
3049 video_enc->intra_matrix = intra_matrix;
3051 video_enc->inter_matrix = inter_matrix;
3053 video_enc->thread_count = thread_count;
3054 p= video_rc_override_string;
3057 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3059 fprintf(stderr, "error parsing rc_override\n");
3062 video_enc->rc_override=
3063 av_realloc(video_enc->rc_override,
3064 sizeof(RcOverride)*(i+1));
3065 video_enc->rc_override[i].start_frame= start;
3066 video_enc->rc_override[i].end_frame = end;
3068 video_enc->rc_override[i].qscale= q;
3069 video_enc->rc_override[i].quality_factor= 1.0;
3072 video_enc->rc_override[i].qscale= 0;
3073 video_enc->rc_override[i].quality_factor= -q/100.0;
3078 video_enc->rc_override_count=i;
3079 if (!video_enc->rc_initial_buffer_occupancy)
3080 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3081 video_enc->me_threshold= me_threshold;
3082 video_enc->intra_dc_precision= intra_dc_precision - 8;
3085 video_enc->flags|= CODEC_FLAG_PSNR;
3090 video_enc->flags |= CODEC_FLAG_PASS1;
3092 video_enc->flags |= CODEC_FLAG_PASS2;
3098 /* reset some key parameters */
3100 av_freep(&video_codec_name);
3101 video_stream_copy = 0;
3104 static void new_audio_stream(AVFormatContext *oc)
3107 AVCodecContext *audio_enc;
3110 st = av_new_stream(oc, oc->nb_streams);
3112 fprintf(stderr, "Could not alloc stream\n");
3115 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3117 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3118 audio_bitstream_filters= NULL;
3121 avcodec_thread_init(st->codec, thread_count);
3123 audio_enc = st->codec;
3124 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3127 audio_enc->codec_tag= audio_codec_tag;
3129 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3130 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3131 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3133 if (audio_stream_copy) {
3134 st->stream_copy = 1;
3135 audio_enc->channels = audio_channels;
3139 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3141 if (audio_codec_name) {
3142 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3143 codec = avcodec_find_encoder_by_name(audio_codec_name);
3144 output_codecs[nb_ocodecs] = codec;
3146 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3147 codec = avcodec_find_encoder(codec_id);
3149 audio_enc->codec_id = codec_id;
3151 if (audio_qscale > QSCALE_NONE) {
3152 audio_enc->flags |= CODEC_FLAG_QSCALE;
3153 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3155 audio_enc->thread_count = thread_count;
3156 audio_enc->channels = audio_channels;
3157 audio_enc->sample_fmt = audio_sample_fmt;
3158 audio_enc->channel_layout = channel_layout;
3160 if(codec && codec->sample_fmts){
3161 const enum SampleFormat *p= codec->sample_fmts;
3163 if(*p == audio_enc->sample_fmt)
3167 audio_enc->sample_fmt = codec->sample_fmts[0];
3171 audio_enc->sample_rate = audio_sample_rate;
3172 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3173 if (audio_language) {
3174 av_strlcpy(st->language, audio_language, sizeof(st->language));
3175 av_free(audio_language);
3176 audio_language = NULL;
3179 /* reset some key parameters */
3181 av_freep(&audio_codec_name);
3182 audio_stream_copy = 0;
3185 static void new_subtitle_stream(AVFormatContext *oc)
3188 AVCodecContext *subtitle_enc;
3190 st = av_new_stream(oc, oc->nb_streams);
3192 fprintf(stderr, "Could not alloc stream\n");
3195 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3197 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3198 subtitle_bitstream_filters= NULL;
3200 subtitle_enc = st->codec;
3201 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3202 if (subtitle_stream_copy) {
3203 st->stream_copy = 1;
3205 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3206 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3207 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3211 if (subtitle_language) {
3212 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3213 av_free(subtitle_language);
3214 subtitle_language = NULL;
3217 subtitle_disable = 0;
3218 av_freep(&subtitle_codec_name);
3219 subtitle_stream_copy = 0;
3222 static void opt_new_audio_stream(void)
3224 AVFormatContext *oc;
3225 if (nb_output_files <= 0) {
3226 fprintf(stderr, "At least one output file must be specified\n");
3229 oc = output_files[nb_output_files - 1];
3230 new_audio_stream(oc);
3233 static void opt_new_video_stream(void)
3235 AVFormatContext *oc;
3236 if (nb_output_files <= 0) {
3237 fprintf(stderr, "At least one output file must be specified\n");
3240 oc = output_files[nb_output_files - 1];
3241 new_video_stream(oc);
3244 static void opt_new_subtitle_stream(void)
3246 AVFormatContext *oc;
3247 if (nb_output_files <= 0) {
3248 fprintf(stderr, "At least one output file must be specified\n");
3251 oc = output_files[nb_output_files - 1];
3252 new_subtitle_stream(oc);
3255 static void opt_output_file(const char *filename)
3257 AVFormatContext *oc;
3258 int use_video, use_audio, use_subtitle;
3259 int input_has_video, input_has_audio, input_has_subtitle;
3260 AVFormatParameters params, *ap = ¶ms;
3262 if (!strcmp(filename, "-"))
3265 oc = av_alloc_format_context();
3267 if (!file_oformat) {
3268 file_oformat = guess_format(NULL, filename, NULL);
3269 if (!file_oformat) {
3270 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3276 oc->oformat = file_oformat;
3277 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3279 if (!strcmp(file_oformat->name, "ffm") &&
3280 av_strstart(filename, "http:", NULL)) {
3281 /* special case for files sent to ffserver: we get the stream
3282 parameters from ffserver */
3283 int err = read_ffserver_streams(oc, filename);
3285 print_error(filename, err);
3289 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3290 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3291 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3293 /* disable if no corresponding type found and at least one
3295 if (nb_input_files > 0) {
3296 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3297 &input_has_subtitle);
3298 if (!input_has_video)
3300 if (!input_has_audio)
3302 if (!input_has_subtitle)
3306 /* manual disable */
3307 if (audio_disable) {
3310 if (video_disable) {
3313 if (subtitle_disable) {
3318 new_video_stream(oc);
3322 new_audio_stream(oc);
3326 new_subtitle_stream(oc);
3329 oc->timestamp = rec_timestamp;
3332 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3334 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3336 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3338 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3340 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3342 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3345 output_files[nb_output_files++] = oc;
3347 /* check filename in case of an image number is expected */
3348 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3349 if (!av_filename_number_test(oc->filename)) {
3350 print_error(oc->filename, AVERROR_NUMEXPECTED);
3355 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3356 /* test if it already exists to avoid loosing precious files */
3357 if (!file_overwrite &&
3358 (strchr(filename, ':') == NULL ||
3359 filename[1] == ':' ||
3360 av_strstart(filename, "file:", NULL))) {
3361 if (url_exist(filename)) {
3365 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3368 if (toupper(c) != 'Y') {
3369 fprintf(stderr, "Not overwriting - exiting\n");
3374 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3381 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3382 fprintf(stderr, "Could not open '%s'\n", filename);
3387 memset(ap, 0, sizeof(*ap));
3388 if (av_set_parameters(oc, ap) < 0) {
3389 fprintf(stderr, "%s: Invalid encoding parameters\n",
3394 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3395 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3396 oc->loop_output = loop_output;
3398 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3400 /* reset some options */
3401 file_oformat = NULL;
3402 file_iformat = NULL;
3405 /* same option as mencoder */
3406 static void opt_pass(const char *pass_str)
3409 pass = atoi(pass_str);
3410 if (pass != 1 && pass != 2) {
3411 fprintf(stderr, "pass number can be only 1 or 2\n");
3417 static int64_t getutime(void)
3420 struct rusage rusage;
3422 getrusage(RUSAGE_SELF, &rusage);
3423 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3424 #elif HAVE_GETPROCESSTIMES
3426 FILETIME c, e, k, u;
3427 proc = GetCurrentProcess();
3428 GetProcessTimes(proc, &c, &e, &k, &u);
3429 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3431 return av_gettime();
3435 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3438 const char *p = str;
3445 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3452 static void opt_inter_matrix(const char *arg)
3454 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3455 parse_matrix_coeffs(inter_matrix, arg);
3458 static void opt_intra_matrix(const char *arg)
3460 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3461 parse_matrix_coeffs(intra_matrix, arg);
3465 * Trivial log callback.
3466 * Only suitable for show_help and similar since it lacks prefix handling.
3468 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3470 vfprintf(stdout, fmt, vl);
3473 static void show_help(void)
3475 av_log_set_callback(log_callback_help);
3476 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3477 "Hyper fast Audio and Video encoder\n");
3479 show_help_options(options, "Main options:\n",
3480 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3481 show_help_options(options, "\nAdvanced options:\n",
3482 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3484 show_help_options(options, "\nVideo options:\n",
3485 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3487 show_help_options(options, "\nAdvanced Video options:\n",
3488 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3489 OPT_VIDEO | OPT_EXPERT);
3490 show_help_options(options, "\nAudio options:\n",
3491 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3493 show_help_options(options, "\nAdvanced Audio options:\n",
3494 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3495 OPT_AUDIO | OPT_EXPERT);
3496 show_help_options(options, "\nSubtitle options:\n",
3497 OPT_SUBTITLE | OPT_GRAB,
3499 show_help_options(options, "\nAudio/Video grab options:\n",
3503 av_opt_show(avctx_opts[0], NULL);
3505 av_opt_show(avformat_opts, NULL);
3507 av_opt_show(sws_opts, NULL);
3510 static void opt_target(const char *arg)
3513 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3515 if(!strncmp(arg, "pal-", 4)) {
3518 } else if(!strncmp(arg, "ntsc-", 5)) {
3521 } else if(!strncmp(arg, "film-", 5)) {
3526 /* Calculate FR via float to avoid int overflow */
3527 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3530 } else if((fr == 29970) || (fr == 23976)) {
3533 /* Try to determine PAL/NTSC by peeking in the input files */
3534 if(nb_input_files) {
3536 for(j = 0; j < nb_input_files; j++) {
3537 for(i = 0; i < input_files[j]->nb_streams; i++) {
3538 AVCodecContext *c = input_files[j]->streams[i]->codec;
3539 if(c->codec_type != CODEC_TYPE_VIDEO)
3541 fr = c->time_base.den * 1000 / c->time_base.num;
3545 } else if((fr == 29970) || (fr == 23976)) {
3555 if(verbose && norm >= 0)
3556 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3560 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3561 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3562 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3566 if(!strcmp(arg, "vcd")) {
3568 opt_video_codec("mpeg1video");
3569 opt_audio_codec("mp2");
3572 opt_frame_size(norm ? "352x240" : "352x288");
3573 opt_frame_rate(NULL, frame_rates[norm]);
3574 opt_default("gop", norm ? "18" : "15");
3576 opt_default("b", "1150000");
3577 opt_default("maxrate", "1150000");
3578 opt_default("minrate", "1150000");
3579 opt_default("bufsize", "327680"); // 40*1024*8;
3581 opt_default("ab", "224000");
3582 audio_sample_rate = 44100;
3585 opt_default("packetsize", "2324");
3586 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3588 /* We have to offset the PTS, so that it is consistent with the SCR.
3589 SCR starts at 36000, but the first two packs contain only padding
3590 and the first pack from the other stream, respectively, may also have
3591 been written before.
3592 So the real data starts at SCR 36000+3*1200. */
3593 mux_preload= (36000+3*1200) / 90000.0; //0.44
3594 } else if(!strcmp(arg, "svcd")) {
3596 opt_video_codec("mpeg2video");
3597 opt_audio_codec("mp2");
3600 opt_frame_size(norm ? "480x480" : "480x576");
3601 opt_frame_rate(NULL, frame_rates[norm]);
3602 opt_default("gop", norm ? "18" : "15");
3604 opt_default("b", "2040000");
3605 opt_default("maxrate", "2516000");
3606 opt_default("minrate", "0"); //1145000;
3607 opt_default("bufsize", "1835008"); //224*1024*8;
3608 opt_default("flags", "+scan_offset");
3611 opt_default("ab", "224000");
3612 audio_sample_rate = 44100;
3614 opt_default("packetsize", "2324");
3616 } else if(!strcmp(arg, "dvd")) {
3618 opt_video_codec("mpeg2video");
3619 opt_audio_codec("ac3");
3622 opt_frame_size(norm ? "720x480" : "720x576");
3623 opt_frame_rate(NULL, frame_rates[norm]);
3624 opt_default("gop", norm ? "18" : "15");
3626 opt_default("b", "6000000");
3627 opt_default("maxrate", "9000000");
3628 opt_default("minrate", "0"); //1500000;
3629 opt_default("bufsize", "1835008"); //224*1024*8;
3631 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3632 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3634 opt_default("ab", "448000");
3635 audio_sample_rate = 48000;
3637 } else if(!strncmp(arg, "dv", 2)) {
3641 opt_frame_size(norm ? "720x480" : "720x576");
3642 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3643 (norm ? "yuv411p" : "yuv420p"));
3644 opt_frame_rate(NULL, frame_rates[norm]);
3646 audio_sample_rate = 48000;
3650 fprintf(stderr, "Unknown target: %s\n", arg);
3655 static void opt_vstats_file (const char *arg)
3657 av_free (vstats_filename);
3658 vstats_filename=av_strdup (arg);
3661 static void opt_vstats (void)
3664 time_t today2 = time(NULL);
3665 struct tm *today = localtime(&today2);
3667 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3669 opt_vstats_file(filename);
3672 static int opt_bsf(const char *opt, const char *arg)
3674 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3675 AVBitStreamFilterContext **bsfp;
3678 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3682 bsfp= *opt == 'v' ? &video_bitstream_filters :
3683 *opt == 'a' ? &audio_bitstream_filters :
3684 &subtitle_bitstream_filters;
3686 bsfp= &(*bsfp)->next;
3693 static int opt_preset(const char *opt, const char *arg)
3696 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3698 const char *base[3]= { getenv("HOME"),
3703 for(i=!base[0]; i<3 && !f; i++){
3704 snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
3705 f= fopen(filename, "r");
3707 char *codec_name= *opt == 'v' ? video_codec_name :
3708 *opt == 'a' ? audio_codec_name :
3709 subtitle_codec_name;
3710 snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s-%s.ffpreset", base[i], i ? "" : ".", codec_name, arg);
3711 f= fopen(filename, "r");
3714 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3716 snprintf(filename, sizeof(filename), arg);
3717 f= fopen(filename, "r");
3721 fprintf(stderr, "File for preset '%s' not found\n", arg);
3726 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3727 if(line[0] == '#' && !e)
3729 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3731 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3734 if(!strcmp(tmp, "acodec")){
3735 opt_audio_codec(tmp2);
3736 }else if(!strcmp(tmp, "vcodec")){
3737 opt_video_codec(tmp2);
3738 }else if(!strcmp(tmp, "scodec")){
3739 opt_subtitle_codec(tmp2);
3740 }else if(opt_default(tmp, tmp2) < 0){
3741 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3751 static const OptionDef options[] = {
3753 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3754 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3755 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3756 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3757 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3758 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3759 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3760 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3761 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3762 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3763 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3764 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3765 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3766 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3767 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3768 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3769 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3770 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3771 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3772 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3773 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3774 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3775 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3776 "add timings for benchmarking" },
3777 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3778 "dump each input packet" },
3779 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3780 "when dumping packets, also dump the payload" },
3781 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3782 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3783 { "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)", "" },
3784 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3785 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3786 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3787 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3788 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3789 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3790 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3791 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3792 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3793 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3794 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3795 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3796 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3799 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3800 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3801 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3802 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3803 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3804 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3805 { "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" },
3806 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3807 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3808 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3809 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3810 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3811 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3812 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3813 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3814 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3815 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3816 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3817 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3818 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3819 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3820 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3821 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3822 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3823 "use same video quality as source (implies VBR)" },
3824 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3825 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3826 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3827 "deinterlace pictures" },
3828 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3829 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3830 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3832 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3834 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3835 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3836 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3837 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3838 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3839 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3840 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3841 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3844 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3845 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3846 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3847 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3848 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3849 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3850 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3851 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3852 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3853 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3854 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3855 { "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" },
3857 /* subtitle options */
3858 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3859 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3860 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3861 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3864 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3865 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3866 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3869 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3870 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3872 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3873 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3874 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3876 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3877 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3878 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3880 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3884 int main(int argc, char **argv)
3889 avcodec_register_all();
3890 avdevice_register_all();
3893 if(isatty(STDIN_FILENO))
3894 url_set_interrupt_cb(decode_interrupt_cb);
3896 for(i=0; i<CODEC_TYPE_NB; i++){
3897 avctx_opts[i]= avcodec_alloc_context2(i);
3899 avformat_opts = av_alloc_format_context();
3900 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3905 parse_options(argc, argv, options, opt_output_file);
3907 /* file converter / grab */
3908 if (nb_output_files <= 0) {
3909 fprintf(stderr, "At least one output file must be specified\n");
3913 if (nb_input_files == 0) {
3914 fprintf(stderr, "At least one input file must be specified\n");
3919 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3920 stream_maps, nb_stream_maps);
3921 ti = getutime() - ti;
3923 printf("bench: utime=%0.3fs\n", ti / 1000000.0);