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, "Warning, using s16 intermediate sample format for resampling\n");
560 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
561 enc->sample_rate, dec->sample_rate,
562 enc->sample_fmt, dec->sample_fmt,
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 (!ost->audio_resample && 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 (!ost->audio_resample && 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 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS)))
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, get_sync_ipts(ost), 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 fprintf(stderr, "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 fprintf(stderr, "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 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1265 ist->next_pts += ((int64_t)AV_TIME_BASE *
1266 ist->st->codec->time_base.num * ticks) /
1267 ist->st->codec->time_base.den;
1271 case CODEC_TYPE_SUBTITLE:
1272 ret = avcodec_decode_subtitle(ist->st->codec,
1273 &subtitle, &got_subtitle, ptr, len);
1276 if (!got_subtitle) {
1277 goto discard_packet;
1279 subtitle_to_free = &subtitle;
1286 switch(ist->st->codec->codec_type) {
1287 case CODEC_TYPE_AUDIO:
1288 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1289 ist->st->codec->sample_rate;
1291 case CODEC_TYPE_VIDEO:
1292 if (ist->st->codec->time_base.num != 0) {
1293 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1294 ist->next_pts += ((int64_t)AV_TIME_BASE *
1295 ist->st->codec->time_base.num * ticks) /
1296 ist->st->codec->time_base.den;
1306 buffer_to_free = NULL;
1307 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1308 pre_process_video_frame(ist, (AVPicture *)&picture,
1312 // preprocess audio (volume)
1313 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1314 if (audio_volume != 256) {
1317 for(i=0;i<(data_size / sizeof(short));i++) {
1318 int v = ((*volp) * audio_volume + 128) >> 8;
1319 if (v < -32768) v = -32768;
1320 if (v > 32767) v = 32767;
1326 /* frame rate emulation */
1328 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1329 int64_t now = av_gettime() - ist->start;
1334 /* if output time reached then transcode raw format,
1335 encode packets and output them */
1336 if (start_time == 0 || ist->pts >= start_time)
1337 for(i=0;i<nb_ostreams;i++) {
1341 if (ost->source_index == ist_index) {
1342 os = output_files[ost->file_index];
1345 printf("%d: got pts=%0.3f %0.3f\n", i,
1346 (double)pkt->pts / AV_TIME_BASE,
1347 ((double)ist->pts / AV_TIME_BASE) -
1348 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1350 /* set the input output pts pairs */
1351 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1353 if (ost->encoding_needed) {
1354 switch(ost->st->codec->codec_type) {
1355 case CODEC_TYPE_AUDIO:
1356 do_audio_out(os, ost, ist, data_buf, data_size);
1358 case CODEC_TYPE_VIDEO:
1359 do_video_out(os, ost, ist, &picture, &frame_size);
1360 if (vstats_filename && frame_size)
1361 do_video_stats(os, ost, frame_size);
1363 case CODEC_TYPE_SUBTITLE:
1364 do_subtitle_out(os, ost, ist, &subtitle,
1371 AVFrame avframe; //FIXME/XXX remove this
1373 av_init_packet(&opkt);
1375 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1378 /* no reencoding needed : output the packet directly */
1379 /* force the input stream PTS */
1381 avcodec_get_frame_defaults(&avframe);
1382 ost->st->codec->coded_frame= &avframe;
1383 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1385 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1386 audio_size += data_size;
1387 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1388 video_size += data_size;
1392 opkt.stream_index= ost->index;
1393 if(pkt->pts != AV_NOPTS_VALUE)
1394 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1396 opkt.pts= AV_NOPTS_VALUE;
1398 if (pkt->dts == AV_NOPTS_VALUE)
1399 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1401 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1403 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1404 opkt.flags= pkt->flags;
1406 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1407 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1408 opkt.destruct= av_destruct_packet;
1410 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1411 ost->st->codec->frame_number++;
1412 ost->frame_number++;
1413 av_free_packet(&opkt);
1417 av_free(buffer_to_free);
1418 /* XXX: allocate the subtitles in the codec ? */
1419 if (subtitle_to_free) {
1420 if (subtitle_to_free->rects != NULL) {
1421 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1422 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1423 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1424 av_freep(&subtitle_to_free->rects[i]);
1426 av_freep(&subtitle_to_free->rects);
1428 subtitle_to_free->num_rects = 0;
1429 subtitle_to_free = NULL;
1436 for(i=0;i<nb_ostreams;i++) {
1438 if (ost->source_index == ist_index) {
1439 AVCodecContext *enc= ost->st->codec;
1440 os = output_files[ost->file_index];
1442 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1444 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1447 if (ost->encoding_needed) {
1451 av_init_packet(&pkt);
1452 pkt.stream_index= ost->index;
1454 switch(ost->st->codec->codec_type) {
1455 case CODEC_TYPE_AUDIO:
1456 fifo_bytes = av_fifo_size(&ost->fifo);
1458 /* encode any samples remaining in fifo */
1459 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1460 int fs_tmp = enc->frame_size;
1461 enc->frame_size = fifo_bytes / (2 * enc->channels);
1462 av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1463 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1464 enc->frame_size = fs_tmp;
1467 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1470 fprintf(stderr, "Audio encoding failed\n");
1474 pkt.flags |= PKT_FLAG_KEY;
1476 case CODEC_TYPE_VIDEO:
1477 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1479 fprintf(stderr, "Video encoding failed\n");
1483 if(enc->coded_frame && enc->coded_frame->key_frame)
1484 pkt.flags |= PKT_FLAG_KEY;
1485 if (ost->logfile && enc->stats_out) {
1486 fprintf(ost->logfile, "%s", enc->stats_out);
1495 pkt.data= bit_buffer;
1497 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1498 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1499 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1511 static void print_sdp(AVFormatContext **avc, int n)
1515 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1516 printf("SDP:\n%s\n", sdp);
1520 static int stream_index_from_inputs(AVFormatContext **input_files,
1522 AVInputFile *file_table,
1523 AVInputStream **ist_table,
1524 enum CodecType type,
1528 for(z=0; z<nb_input_files; z++) {
1529 AVFormatContext *ic = input_files[z];
1530 for(p=0; p<ic->nb_programs; p++) {
1531 AVProgram *program = ic->programs[p];
1532 if(program->id != programid)
1534 for(q=0; q<program->nb_stream_indexes; q++) {
1535 int sidx = program->stream_index[q];
1536 int ris = file_table[z].ist_index + sidx;
1537 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1547 * The following code is the main loop of the file converter
1549 static int av_encode(AVFormatContext **output_files,
1550 int nb_output_files,
1551 AVFormatContext **input_files,
1553 AVStreamMap *stream_maps, int nb_stream_maps)
1555 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1556 AVFormatContext *is, *os;
1557 AVCodecContext *codec, *icodec;
1558 AVOutputStream *ost, **ost_table = NULL;
1559 AVInputStream *ist, **ist_table = NULL;
1560 AVInputFile *file_table;
1564 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1568 /* input stream init */
1570 for(i=0;i<nb_input_files;i++) {
1571 is = input_files[i];
1572 file_table[i].ist_index = j;
1573 file_table[i].nb_streams = is->nb_streams;
1574 j += is->nb_streams;
1578 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1582 for(i=0;i<nb_istreams;i++) {
1583 ist = av_mallocz(sizeof(AVInputStream));
1589 for(i=0;i<nb_input_files;i++) {
1590 is = input_files[i];
1591 for(k=0;k<is->nb_streams;k++) {
1592 ist = ist_table[j++];
1593 ist->st = is->streams[k];
1594 ist->file_index = i;
1596 ist->discard = 1; /* the stream is discarded by default
1600 ist->start = av_gettime();
1605 /* output stream init */
1607 for(i=0;i<nb_output_files;i++) {
1608 os = output_files[i];
1609 if (!os->nb_streams) {
1610 dump_format(output_files[i], i, output_files[i]->filename, 1);
1611 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1614 nb_ostreams += os->nb_streams;
1616 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1617 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1621 /* Sanity check the mapping args -- do the input files & streams exist? */
1622 for(i=0;i<nb_stream_maps;i++) {
1623 int fi = stream_maps[i].file_index;
1624 int si = stream_maps[i].stream_index;
1626 if (fi < 0 || fi > nb_input_files - 1 ||
1627 si < 0 || si > file_table[fi].nb_streams - 1) {
1628 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1631 fi = stream_maps[i].sync_file_index;
1632 si = stream_maps[i].sync_stream_index;
1633 if (fi < 0 || fi > nb_input_files - 1 ||
1634 si < 0 || si > file_table[fi].nb_streams - 1) {
1635 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1640 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1643 for(i=0;i<nb_ostreams;i++) {
1644 ost = av_mallocz(sizeof(AVOutputStream));
1651 for(k=0;k<nb_output_files;k++) {
1652 os = output_files[k];
1653 for(i=0;i<os->nb_streams;i++,n++) {
1656 ost->file_index = k;
1658 ost->st = os->streams[i];
1659 if (nb_stream_maps > 0) {
1660 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1661 stream_maps[n].stream_index;
1663 /* Sanity check that the stream types match */
1664 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1665 int i= ost->file_index;
1666 dump_format(output_files[i], i, output_files[i]->filename, 1);
1667 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1668 stream_maps[n].file_index, stream_maps[n].stream_index,
1669 ost->file_index, ost->index);
1676 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1678 ost->source_index = j;
1682 /* get corresponding input stream index : we select the first one with the right type */
1684 for(j=0;j<nb_istreams;j++) {
1687 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1688 ost->source_index = j;
1696 if(! opt_programid) {
1697 /* try again and reuse existing stream */
1698 for(j=0;j<nb_istreams;j++) {
1700 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1701 ost->source_index = j;
1707 int i= ost->file_index;
1708 dump_format(output_files[i], i, output_files[i]->filename, 1);
1709 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1710 ost->file_index, ost->index);
1715 ist = ist_table[ost->source_index];
1717 ost->sync_ist = (nb_stream_maps > 0) ?
1718 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1719 stream_maps[n].sync_stream_index] : ist;
1723 /* for each output stream, we compute the right encoding parameters */
1724 for(i=0;i<nb_ostreams;i++) {
1726 os = output_files[ost->file_index];
1727 ist = ist_table[ost->source_index];
1729 codec = ost->st->codec;
1730 icodec = ist->st->codec;
1732 if (!ost->st->language[0])
1733 av_strlcpy(ost->st->language, ist->st->language,
1734 sizeof(ost->st->language));
1736 ost->st->disposition = ist->st->disposition;
1738 if (ost->st->stream_copy) {
1739 /* if stream_copy is selected, no need to decode or encode */
1740 codec->codec_id = icodec->codec_id;
1741 codec->codec_type = icodec->codec_type;
1743 if(!codec->codec_tag){
1744 if( !os->oformat->codec_tag
1745 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1746 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1747 codec->codec_tag = icodec->codec_tag;
1750 codec->bit_rate = icodec->bit_rate;
1751 codec->extradata= icodec->extradata;
1752 codec->extradata_size= icodec->extradata_size;
1753 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1754 codec->time_base = icodec->time_base;
1755 codec->time_base.num *= icodec->ticks_per_frame;
1757 codec->time_base = ist->st->time_base;
1758 switch(codec->codec_type) {
1759 case CODEC_TYPE_AUDIO:
1760 if(audio_volume != 256) {
1761 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1764 codec->channel_layout = icodec->channel_layout;
1765 codec->sample_rate = icodec->sample_rate;
1766 codec->channels = icodec->channels;
1767 codec->frame_size = icodec->frame_size;
1768 codec->block_align= icodec->block_align;
1769 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1770 codec->block_align= 0;
1771 if(codec->codec_id == CODEC_ID_AC3)
1772 codec->block_align= 0;
1774 case CODEC_TYPE_VIDEO:
1776 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1779 codec->pix_fmt = icodec->pix_fmt;
1780 codec->width = icodec->width;
1781 codec->height = icodec->height;
1782 codec->has_b_frames = icodec->has_b_frames;
1784 case CODEC_TYPE_SUBTITLE:
1785 codec->width = icodec->width;
1786 codec->height = icodec->height;
1792 switch(codec->codec_type) {
1793 case CODEC_TYPE_AUDIO:
1794 if (av_fifo_init(&ost->fifo, 1024))
1796 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1797 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1798 icodec->request_channels = codec->channels;
1799 ist->decoding_needed = 1;
1800 ost->encoding_needed = 1;
1802 case CODEC_TYPE_VIDEO:
1803 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1804 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1805 ost->video_resample = ((codec->width != icodec->width -
1806 (frame_leftBand + frame_rightBand) +
1807 (frame_padleft + frame_padright)) ||
1808 (codec->height != icodec->height -
1809 (frame_topBand + frame_bottomBand) +
1810 (frame_padtop + frame_padbottom)) ||
1811 (codec->pix_fmt != icodec->pix_fmt));
1812 if (ost->video_crop) {
1813 ost->topBand = frame_topBand;
1814 ost->leftBand = frame_leftBand;
1816 if (ost->video_pad) {
1817 ost->padtop = frame_padtop;
1818 ost->padleft = frame_padleft;
1819 ost->padbottom = frame_padbottom;
1820 ost->padright = frame_padright;
1821 if (!ost->video_resample) {
1822 avcodec_get_frame_defaults(&ost->pict_tmp);
1823 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1824 codec->width, codec->height))
1828 if (ost->video_resample) {
1829 avcodec_get_frame_defaults(&ost->pict_tmp);
1830 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1831 codec->width, codec->height)) {
1832 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1835 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1836 ost->img_resample_ctx = sws_getContext(
1837 icodec->width - (frame_leftBand + frame_rightBand),
1838 icodec->height - (frame_topBand + frame_bottomBand),
1840 codec->width - (frame_padleft + frame_padright),
1841 codec->height - (frame_padtop + frame_padbottom),
1843 sws_flags, NULL, NULL, NULL);
1844 if (ost->img_resample_ctx == NULL) {
1845 fprintf(stderr, "Cannot get resampling context\n");
1848 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1850 ost->encoding_needed = 1;
1851 ist->decoding_needed = 1;
1853 case CODEC_TYPE_SUBTITLE:
1854 ost->encoding_needed = 1;
1855 ist->decoding_needed = 1;
1862 if (ost->encoding_needed &&
1863 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1864 char logfilename[1024];
1869 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1870 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1872 if (codec->flags & CODEC_FLAG_PASS1) {
1873 f = fopen(logfilename, "w");
1875 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1880 /* read the log file */
1881 f = fopen(logfilename, "r");
1883 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1886 fseek(f, 0, SEEK_END);
1888 fseek(f, 0, SEEK_SET);
1889 logbuffer = av_malloc(size + 1);
1891 fprintf(stderr, "Could not allocate log buffer\n");
1894 size = fread(logbuffer, 1, size, f);
1896 logbuffer[size] = '\0';
1897 codec->stats_in = logbuffer;
1901 if(codec->codec_type == CODEC_TYPE_VIDEO){
1902 int size= codec->width * codec->height;
1903 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1908 bit_buffer = av_malloc(bit_buffer_size);
1912 /* dump the file output parameters - cannot be done before in case
1914 for(i=0;i<nb_output_files;i++) {
1915 dump_format(output_files[i], i, output_files[i]->filename, 1);
1918 /* dump the stream mapping */
1920 fprintf(stderr, "Stream mapping:\n");
1921 for(i=0;i<nb_ostreams;i++) {
1923 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1924 ist_table[ost->source_index]->file_index,
1925 ist_table[ost->source_index]->index,
1928 if (ost->sync_ist != ist_table[ost->source_index])
1929 fprintf(stderr, " [sync #%d.%d]",
1930 ost->sync_ist->file_index,
1931 ost->sync_ist->index);
1932 fprintf(stderr, "\n");
1936 /* open each encoder */
1937 for(i=0;i<nb_ostreams;i++) {
1939 if (ost->encoding_needed) {
1940 AVCodec *codec = output_codecs[i];
1942 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1944 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1945 ost->file_index, ost->index);
1948 if (avcodec_open(ost->st->codec, codec) < 0) {
1949 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1950 ost->file_index, ost->index);
1953 extra_size += ost->st->codec->extradata_size;
1957 /* open each decoder */
1958 for(i=0;i<nb_istreams;i++) {
1960 if (ist->decoding_needed) {
1961 AVCodec *codec = input_codecs[i];
1963 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1965 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1966 ist->st->codec->codec_id, ist->file_index, ist->index);
1969 if (avcodec_open(ist->st->codec, codec) < 0) {
1970 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1971 ist->file_index, ist->index);
1974 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1975 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1980 for(i=0;i<nb_istreams;i++) {
1982 is = input_files[ist->file_index];
1984 ist->next_pts = AV_NOPTS_VALUE;
1988 /* set meta data information from input file if required */
1989 for (i=0;i<nb_meta_data_maps;i++) {
1990 AVFormatContext *out_file;
1991 AVFormatContext *in_file;
1993 int out_file_index = meta_data_maps[i].out_file;
1994 int in_file_index = meta_data_maps[i].in_file;
1995 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1996 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1997 ret = AVERROR(EINVAL);
2000 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2001 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
2002 ret = AVERROR(EINVAL);
2006 out_file = output_files[out_file_index];
2007 in_file = input_files[in_file_index];
2009 strcpy(out_file->title, in_file->title);
2010 strcpy(out_file->author, in_file->author);
2011 strcpy(out_file->copyright, in_file->copyright);
2012 strcpy(out_file->comment, in_file->comment);
2013 strcpy(out_file->album, in_file->album);
2014 out_file->year = in_file->year;
2015 out_file->track = in_file->track;
2016 strcpy(out_file->genre, in_file->genre);
2019 /* open files and write file headers */
2020 for(i=0;i<nb_output_files;i++) {
2021 os = output_files[i];
2022 if (av_write_header(os) < 0) {
2023 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2024 ret = AVERROR(EINVAL);
2027 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2032 print_sdp(output_files, nb_output_files);
2035 if (!using_stdin && verbose >= 0) {
2036 fprintf(stderr, "Press [q] to stop encoding\n");
2037 url_set_interrupt_cb(decode_interrupt_cb);
2042 timer_start = av_gettime();
2044 for(; received_sigterm == 0;) {
2045 int file_index, ist_index;
2053 /* if 'q' pressed, exits */
2057 /* read_key() returns 0 on EOF */
2063 /* select the stream that we must read now by looking at the
2064 smallest output pts */
2066 for(i=0;i<nb_ostreams;i++) {
2069 os = output_files[ost->file_index];
2070 ist = ist_table[ost->source_index];
2071 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2072 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2074 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2075 ipts = (double)ist->pts;
2076 if (!file_table[ist->file_index].eof_reached){
2077 if(ipts < ipts_min) {
2079 if(input_sync ) file_index = ist->file_index;
2081 if(opts < opts_min) {
2083 if(!input_sync) file_index = ist->file_index;
2086 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2091 /* if none, if is finished */
2092 if (file_index < 0) {
2096 /* finish if recording time exhausted */
2097 if (opts_min >= (recording_time / 1000000.0))
2100 /* finish if limit size exhausted */
2101 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2104 /* read a frame from it and output it in the fifo */
2105 is = input_files[file_index];
2106 ret= av_read_frame(is, &pkt);
2107 if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm"))
2110 file_table[file_index].eof_reached = 1;
2118 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2120 /* the following test is needed in case new streams appear
2121 dynamically in stream : we ignore them */
2122 if (pkt.stream_index >= file_table[file_index].nb_streams)
2123 goto discard_packet;
2124 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2125 ist = ist_table[ist_index];
2127 goto discard_packet;
2129 if (pkt.dts != AV_NOPTS_VALUE)
2130 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2131 if (pkt.pts != AV_NOPTS_VALUE)
2132 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2134 if(input_files_ts_scale[file_index][pkt.stream_index]){
2135 if(pkt.pts != AV_NOPTS_VALUE)
2136 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2137 if(pkt.dts != AV_NOPTS_VALUE)
2138 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2141 // 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);
2142 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2143 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2144 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2145 int64_t delta= pkt_dts - ist->next_pts;
2146 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2147 input_files_ts_offset[ist->file_index]-= delta;
2149 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2150 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2151 if(pkt.pts != AV_NOPTS_VALUE)
2152 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2156 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2157 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2160 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2161 ist->file_index, ist->index);
2164 av_free_packet(&pkt);
2169 av_free_packet(&pkt);
2171 /* dump report by using the output first video and audio streams */
2172 print_report(output_files, ost_table, nb_ostreams, 0);
2175 /* at the end of stream, we must flush the decoder buffers */
2176 for(i=0;i<nb_istreams;i++) {
2178 if (ist->decoding_needed) {
2179 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2185 /* write the trailer if needed and close file */
2186 for(i=0;i<nb_output_files;i++) {
2187 os = output_files[i];
2188 av_write_trailer(os);
2191 /* dump report by using the first video and audio streams */
2192 print_report(output_files, ost_table, nb_ostreams, 1);
2194 /* close each encoder */
2195 for(i=0;i<nb_ostreams;i++) {
2197 if (ost->encoding_needed) {
2198 av_freep(&ost->st->codec->stats_in);
2199 avcodec_close(ost->st->codec);
2203 /* close each decoder */
2204 for(i=0;i<nb_istreams;i++) {
2206 if (ist->decoding_needed) {
2207 avcodec_close(ist->st->codec);
2215 av_freep(&bit_buffer);
2216 av_free(file_table);
2219 for(i=0;i<nb_istreams;i++) {
2226 for(i=0;i<nb_ostreams;i++) {
2230 fclose(ost->logfile);
2231 ost->logfile = NULL;
2233 av_fifo_free(&ost->fifo); /* works even if fifo is not
2234 initialized but set to zero */
2235 av_free(ost->pict_tmp.data[0]);
2236 if (ost->video_resample)
2237 sws_freeContext(ost->img_resample_ctx);
2239 audio_resample_close(ost->resample);
2240 if (ost->reformat_ctx)
2241 av_audio_convert_free(ost->reformat_ctx);
2249 ret = AVERROR(ENOMEM);
2254 int file_read(const char *filename)
2257 unsigned char buffer[1024];
2260 if (url_open(&h, filename, O_RDONLY) < 0) {
2261 printf("could not open '%s'\n", filename);
2265 len = url_read(h, buffer, sizeof(buffer));
2268 for(i=0;i<len;i++) putchar(buffer[i]);
2275 static void opt_format(const char *arg)
2277 /* compatibility stuff for pgmyuv */
2278 if (!strcmp(arg, "pgmyuv")) {
2279 pgmyuv_compatibility_hack=1;
2280 // opt_image_format(arg);
2282 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2285 file_iformat = av_find_input_format(arg);
2286 file_oformat = guess_format(arg, NULL, NULL);
2287 if (!file_iformat && !file_oformat) {
2288 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2293 static void opt_video_rc_override_string(const char *arg)
2295 video_rc_override_string = arg;
2298 static int opt_me_threshold(const char *opt, const char *arg)
2300 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2304 static int opt_verbose(const char *opt, const char *arg)
2306 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2307 av_log_set_level(verbose);
2311 static int opt_frame_rate(const char *opt, const char *arg)
2313 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2314 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2320 static int opt_bitrate(const char *opt, const char *arg)
2322 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2324 opt_default(opt, arg);
2326 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2327 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2332 static void opt_frame_crop_top(const char *arg)
2334 frame_topBand = atoi(arg);
2335 if (frame_topBand < 0) {
2336 fprintf(stderr, "Incorrect top crop size\n");
2339 if ((frame_topBand % 2) != 0) {
2340 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2343 if ((frame_topBand) >= frame_height){
2344 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2347 frame_height -= frame_topBand;
2350 static void opt_frame_crop_bottom(const char *arg)
2352 frame_bottomBand = atoi(arg);
2353 if (frame_bottomBand < 0) {
2354 fprintf(stderr, "Incorrect bottom crop size\n");
2357 if ((frame_bottomBand % 2) != 0) {
2358 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2361 if ((frame_bottomBand) >= frame_height){
2362 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2365 frame_height -= frame_bottomBand;
2368 static void opt_frame_crop_left(const char *arg)
2370 frame_leftBand = atoi(arg);
2371 if (frame_leftBand < 0) {
2372 fprintf(stderr, "Incorrect left crop size\n");
2375 if ((frame_leftBand % 2) != 0) {
2376 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2379 if ((frame_leftBand) >= frame_width){
2380 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2383 frame_width -= frame_leftBand;
2386 static void opt_frame_crop_right(const char *arg)
2388 frame_rightBand = atoi(arg);
2389 if (frame_rightBand < 0) {
2390 fprintf(stderr, "Incorrect right crop size\n");
2393 if ((frame_rightBand % 2) != 0) {
2394 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2397 if ((frame_rightBand) >= frame_width){
2398 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2401 frame_width -= frame_rightBand;
2404 static void opt_frame_size(const char *arg)
2406 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2407 fprintf(stderr, "Incorrect frame size\n");
2410 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2411 fprintf(stderr, "Frame size must be a multiple of 2\n");
2417 #define SCALEBITS 10
2418 #define ONE_HALF (1 << (SCALEBITS - 1))
2419 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2421 #define RGB_TO_Y(r, g, b) \
2422 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2423 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2425 #define RGB_TO_U(r1, g1, b1, shift)\
2426 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2427 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2429 #define RGB_TO_V(r1, g1, b1, shift)\
2430 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2431 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2433 static void opt_pad_color(const char *arg) {
2434 /* Input is expected to be six hex digits similar to
2435 how colors are expressed in html tags (but without the #) */
2436 int rgb = strtol(arg, NULL, 16);
2440 g = ((rgb >> 8) & 255);
2443 padcolor[0] = RGB_TO_Y(r,g,b);
2444 padcolor[1] = RGB_TO_U(r,g,b,0);
2445 padcolor[2] = RGB_TO_V(r,g,b,0);
2448 static void opt_frame_pad_top(const char *arg)
2450 frame_padtop = atoi(arg);
2451 if (frame_padtop < 0) {
2452 fprintf(stderr, "Incorrect top pad size\n");
2455 if ((frame_padtop % 2) != 0) {
2456 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2461 static void opt_frame_pad_bottom(const char *arg)
2463 frame_padbottom = atoi(arg);
2464 if (frame_padbottom < 0) {
2465 fprintf(stderr, "Incorrect bottom pad size\n");
2468 if ((frame_padbottom % 2) != 0) {
2469 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2475 static void opt_frame_pad_left(const char *arg)
2477 frame_padleft = atoi(arg);
2478 if (frame_padleft < 0) {
2479 fprintf(stderr, "Incorrect left pad size\n");
2482 if ((frame_padleft % 2) != 0) {
2483 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2489 static void opt_frame_pad_right(const char *arg)
2491 frame_padright = atoi(arg);
2492 if (frame_padright < 0) {
2493 fprintf(stderr, "Incorrect right pad size\n");
2496 if ((frame_padright % 2) != 0) {
2497 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2502 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2506 for (i=-1; i < nb_fmts; i++) {
2507 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2508 fprintf(stdout, "%s\n", fmt_str);
2512 static void opt_frame_pix_fmt(const char *arg)
2514 if (strcmp(arg, "list"))
2515 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2517 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2522 static void opt_frame_aspect_ratio(const char *arg)
2529 p = strchr(arg, ':');
2531 x = strtol(arg, &end, 10);
2533 y = strtol(end+1, &end, 10);
2535 ar = (double)x / (double)y;
2537 ar = strtod(arg, NULL);
2540 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2543 frame_aspect_ratio = ar;
2546 static void opt_qscale(const char *arg)
2548 video_qscale = atof(arg);
2549 if (video_qscale <= 0 ||
2550 video_qscale > 255) {
2551 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2556 static void opt_top_field_first(const char *arg)
2558 top_field_first= atoi(arg);
2561 static int opt_thread_count(const char *opt, const char *arg)
2563 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2566 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2571 static void opt_audio_sample_fmt(const char *arg)
2573 if (strcmp(arg, "list"))
2574 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2576 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2581 static int opt_audio_rate(const char *opt, const char *arg)
2583 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2587 static int opt_audio_channels(const char *opt, const char *arg)
2589 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2593 static void opt_video_channel(const char *arg)
2595 video_channel = strtol(arg, NULL, 0);
2598 static void opt_video_standard(const char *arg)
2600 video_standard = av_strdup(arg);
2603 static void opt_codec(int *pstream_copy, char **pcodec_name,
2604 int codec_type, const char *arg)
2606 av_freep(pcodec_name);
2607 if (!strcmp(arg, "copy")) {
2610 *pcodec_name = av_strdup(arg);
2614 static void opt_audio_codec(const char *arg)
2616 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2619 static void opt_audio_tag(const char *arg)
2622 audio_codec_tag= strtol(arg, &tail, 0);
2625 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2628 static void opt_video_tag(const char *arg)
2631 video_codec_tag= strtol(arg, &tail, 0);
2634 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2638 static void add_frame_hooker(const char *arg)
2643 char *args = av_strdup(arg);
2647 argv[0] = strtok(args, " ");
2648 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2651 i = frame_hook_add(argc, argv);
2654 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2660 static void opt_video_codec(const char *arg)
2662 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2665 static void opt_subtitle_codec(const char *arg)
2667 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2670 static void opt_map(const char *arg)
2675 m = &stream_maps[nb_stream_maps++];
2677 m->file_index = strtol(arg, &p, 0);
2681 m->stream_index = strtol(p, &p, 0);
2684 m->sync_file_index = strtol(p, &p, 0);
2687 m->sync_stream_index = strtol(p, &p, 0);
2689 m->sync_file_index = m->file_index;
2690 m->sync_stream_index = m->stream_index;
2694 static void opt_map_meta_data(const char *arg)
2699 m = &meta_data_maps[nb_meta_data_maps++];
2701 m->out_file = strtol(arg, &p, 0);
2705 m->in_file = strtol(p, &p, 0);
2708 static void opt_input_ts_scale(const char *arg)
2710 unsigned int stream;
2714 stream = strtol(arg, &p, 0);
2717 scale= strtod(p, &p);
2719 if(stream >= MAX_STREAMS)
2722 input_files_ts_scale[nb_input_files][stream]= scale;
2725 static int opt_recording_time(const char *opt, const char *arg)
2727 recording_time = parse_time_or_die(opt, arg, 1);
2731 static int opt_start_time(const char *opt, const char *arg)
2733 start_time = parse_time_or_die(opt, arg, 1);
2737 static int opt_rec_timestamp(const char *opt, const char *arg)
2739 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2743 static int opt_input_ts_offset(const char *opt, const char *arg)
2745 input_ts_offset = parse_time_or_die(opt, arg, 1);
2749 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2751 const char *codec_string = encoder ? "encoder" : "decoder";
2755 return CODEC_ID_NONE;
2757 avcodec_find_encoder_by_name(name) :
2758 avcodec_find_decoder_by_name(name);
2760 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2763 if(codec->type != type) {
2764 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2770 static void opt_input_file(const char *filename)
2772 AVFormatContext *ic;
2773 AVFormatParameters params, *ap = ¶ms;
2774 int err, i, ret, rfps, rfps_base;
2777 if (!strcmp(filename, "-"))
2780 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2781 !strcmp(filename, "/dev/stdin");
2783 /* get default parameters from command line */
2784 ic = avformat_alloc_context();
2786 memset(ap, 0, sizeof(*ap));
2787 ap->prealloced_context = 1;
2788 ap->sample_rate = audio_sample_rate;
2789 ap->channels = audio_channels;
2790 ap->time_base.den = frame_rate.num;
2791 ap->time_base.num = frame_rate.den;
2792 ap->width = frame_width + frame_padleft + frame_padright;
2793 ap->height = frame_height + frame_padtop + frame_padbottom;
2794 ap->pix_fmt = frame_pix_fmt;
2795 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2796 ap->channel = video_channel;
2797 ap->standard = video_standard;
2798 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2799 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2800 if(pgmyuv_compatibility_hack)
2801 ap->video_codec_id= CODEC_ID_PGMYUV;
2803 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2805 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2806 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2807 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2809 /* open the input file with generic libav function */
2810 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2812 print_error(filename, err);
2817 for(i=0; i<ic->nb_programs; i++)
2818 if(ic->programs[i]->id != opt_programid)
2819 ic->programs[i]->discard = AVDISCARD_ALL;
2822 ic->loop_input = loop_input;
2824 /* If not enough info to get the stream parameters, we decode the
2825 first frames to get it. (used in mpeg case for example) */
2826 ret = av_find_stream_info(ic);
2827 if (ret < 0 && verbose >= 0) {
2828 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2832 timestamp = start_time;
2833 /* add the stream start time */
2834 if (ic->start_time != AV_NOPTS_VALUE)
2835 timestamp += ic->start_time;
2837 /* if seeking requested, we execute it */
2838 if (start_time != 0) {
2839 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2841 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2842 filename, (double)timestamp / AV_TIME_BASE);
2844 /* reset seek info */
2848 /* update the current parameters so that they match the one of the input stream */
2849 for(i=0;i<ic->nb_streams;i++) {
2850 AVCodecContext *enc = ic->streams[i]->codec;
2852 avcodec_thread_init(enc, thread_count);
2853 enc->thread_count= thread_count;
2854 switch(enc->codec_type) {
2855 case CODEC_TYPE_AUDIO:
2856 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2857 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2858 channel_layout = enc->channel_layout;
2859 audio_channels = enc->channels;
2860 audio_sample_rate = enc->sample_rate;
2861 audio_sample_fmt = enc->sample_fmt;
2862 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2864 ic->streams[i]->discard= AVDISCARD_ALL;
2866 case CODEC_TYPE_VIDEO:
2867 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2868 frame_height = enc->height;
2869 frame_width = enc->width;
2870 if(ic->streams[i]->sample_aspect_ratio.num)
2871 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2873 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2874 frame_aspect_ratio *= (float) enc->width / enc->height;
2875 frame_pix_fmt = enc->pix_fmt;
2876 rfps = ic->streams[i]->r_frame_rate.num;
2877 rfps_base = ic->streams[i]->r_frame_rate.den;
2878 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2880 enc->debug |= FF_DEBUG_MV;
2882 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2885 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2886 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2888 (float)rfps / rfps_base, rfps, rfps_base);
2890 /* update the current frame rate to match the stream frame rate */
2891 frame_rate.num = rfps;
2892 frame_rate.den = rfps_base;
2894 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2896 ic->streams[i]->discard= AVDISCARD_ALL;
2897 else if(video_discard)
2898 ic->streams[i]->discard= video_discard;
2900 case CODEC_TYPE_DATA:
2902 case CODEC_TYPE_SUBTITLE:
2903 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2904 if(subtitle_disable)
2905 ic->streams[i]->discard = AVDISCARD_ALL;
2907 case CODEC_TYPE_ATTACHMENT:
2908 case CODEC_TYPE_UNKNOWN:
2916 input_files[nb_input_files] = ic;
2917 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2918 /* dump the file content */
2920 dump_format(ic, nb_input_files, filename, 0);
2923 file_iformat = NULL;
2924 file_oformat = NULL;
2928 av_freep(&video_codec_name);
2929 av_freep(&audio_codec_name);
2930 av_freep(&subtitle_codec_name);
2933 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2934 int *has_subtitle_ptr)
2936 int has_video, has_audio, has_subtitle, i, j;
2937 AVFormatContext *ic;
2942 for(j=0;j<nb_input_files;j++) {
2943 ic = input_files[j];
2944 for(i=0;i<ic->nb_streams;i++) {
2945 AVCodecContext *enc = ic->streams[i]->codec;
2946 switch(enc->codec_type) {
2947 case CODEC_TYPE_AUDIO:
2950 case CODEC_TYPE_VIDEO:
2953 case CODEC_TYPE_SUBTITLE:
2956 case CODEC_TYPE_DATA:
2957 case CODEC_TYPE_ATTACHMENT:
2958 case CODEC_TYPE_UNKNOWN:
2965 *has_video_ptr = has_video;
2966 *has_audio_ptr = has_audio;
2967 *has_subtitle_ptr = has_subtitle;
2970 static void new_video_stream(AVFormatContext *oc)
2973 AVCodecContext *video_enc;
2976 st = av_new_stream(oc, oc->nb_streams);
2978 fprintf(stderr, "Could not alloc stream\n");
2981 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2982 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2983 video_bitstream_filters= NULL;
2986 avcodec_thread_init(st->codec, thread_count);
2988 video_enc = st->codec;
2991 video_enc->codec_tag= video_codec_tag;
2993 if( (video_global_header&1)
2994 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2995 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2996 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2998 if(video_global_header&2){
2999 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3000 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3003 if (video_stream_copy) {
3004 st->stream_copy = 1;
3005 video_enc->codec_type = CODEC_TYPE_VIDEO;
3006 video_enc->sample_aspect_ratio =
3007 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3012 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3014 if (video_codec_name) {
3015 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3016 codec = avcodec_find_encoder_by_name(video_codec_name);
3017 output_codecs[nb_ocodecs] = codec;
3019 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3020 codec = avcodec_find_encoder(codec_id);
3023 video_enc->codec_id = codec_id;
3025 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3027 if (codec && codec->supported_framerates && !force_fps)
3028 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3029 video_enc->time_base.den = fps.num;
3030 video_enc->time_base.num = fps.den;
3032 video_enc->width = frame_width + frame_padright + frame_padleft;
3033 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3034 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3035 video_enc->pix_fmt = frame_pix_fmt;
3036 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3038 if(codec && codec->pix_fmts){
3039 const enum PixelFormat *p= codec->pix_fmts;
3041 if(*p == video_enc->pix_fmt)
3045 video_enc->pix_fmt = codec->pix_fmts[0];
3049 video_enc->gop_size = 0;
3050 if (video_qscale || same_quality) {
3051 video_enc->flags |= CODEC_FLAG_QSCALE;
3052 video_enc->global_quality=
3053 st->quality = FF_QP2LAMBDA * video_qscale;
3057 video_enc->intra_matrix = intra_matrix;
3059 video_enc->inter_matrix = inter_matrix;
3061 video_enc->thread_count = thread_count;
3062 p= video_rc_override_string;
3065 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3067 fprintf(stderr, "error parsing rc_override\n");
3070 video_enc->rc_override=
3071 av_realloc(video_enc->rc_override,
3072 sizeof(RcOverride)*(i+1));
3073 video_enc->rc_override[i].start_frame= start;
3074 video_enc->rc_override[i].end_frame = end;
3076 video_enc->rc_override[i].qscale= q;
3077 video_enc->rc_override[i].quality_factor= 1.0;
3080 video_enc->rc_override[i].qscale= 0;
3081 video_enc->rc_override[i].quality_factor= -q/100.0;
3086 video_enc->rc_override_count=i;
3087 if (!video_enc->rc_initial_buffer_occupancy)
3088 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3089 video_enc->me_threshold= me_threshold;
3090 video_enc->intra_dc_precision= intra_dc_precision - 8;
3093 video_enc->flags|= CODEC_FLAG_PSNR;
3098 video_enc->flags |= CODEC_FLAG_PASS1;
3100 video_enc->flags |= CODEC_FLAG_PASS2;
3106 /* reset some key parameters */
3108 av_freep(&video_codec_name);
3109 video_stream_copy = 0;
3112 static void new_audio_stream(AVFormatContext *oc)
3115 AVCodecContext *audio_enc;
3118 st = av_new_stream(oc, oc->nb_streams);
3120 fprintf(stderr, "Could not alloc stream\n");
3123 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3125 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3126 audio_bitstream_filters= NULL;
3129 avcodec_thread_init(st->codec, thread_count);
3131 audio_enc = st->codec;
3132 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3135 audio_enc->codec_tag= audio_codec_tag;
3137 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3138 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3139 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3141 if (audio_stream_copy) {
3142 st->stream_copy = 1;
3143 audio_enc->channels = audio_channels;
3147 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3149 if (audio_codec_name) {
3150 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3151 codec = avcodec_find_encoder_by_name(audio_codec_name);
3152 output_codecs[nb_ocodecs] = codec;
3154 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3155 codec = avcodec_find_encoder(codec_id);
3157 audio_enc->codec_id = codec_id;
3159 if (audio_qscale > QSCALE_NONE) {
3160 audio_enc->flags |= CODEC_FLAG_QSCALE;
3161 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3163 audio_enc->thread_count = thread_count;
3164 audio_enc->channels = audio_channels;
3165 audio_enc->sample_fmt = audio_sample_fmt;
3166 audio_enc->channel_layout = channel_layout;
3168 if(codec && codec->sample_fmts){
3169 const enum SampleFormat *p= codec->sample_fmts;
3171 if(*p == audio_enc->sample_fmt)
3175 audio_enc->sample_fmt = codec->sample_fmts[0];
3179 audio_enc->sample_rate = audio_sample_rate;
3180 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3181 if (audio_language) {
3182 av_strlcpy(st->language, audio_language, sizeof(st->language));
3183 av_free(audio_language);
3184 audio_language = NULL;
3187 /* reset some key parameters */
3189 av_freep(&audio_codec_name);
3190 audio_stream_copy = 0;
3193 static void new_subtitle_stream(AVFormatContext *oc)
3196 AVCodecContext *subtitle_enc;
3198 st = av_new_stream(oc, oc->nb_streams);
3200 fprintf(stderr, "Could not alloc stream\n");
3203 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3205 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3206 subtitle_bitstream_filters= NULL;
3208 subtitle_enc = st->codec;
3209 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3210 if (subtitle_stream_copy) {
3211 st->stream_copy = 1;
3213 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3214 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3215 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3219 if (subtitle_language) {
3220 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3221 av_free(subtitle_language);
3222 subtitle_language = NULL;
3225 subtitle_disable = 0;
3226 av_freep(&subtitle_codec_name);
3227 subtitle_stream_copy = 0;
3230 static void opt_new_audio_stream(void)
3232 AVFormatContext *oc;
3233 if (nb_output_files <= 0) {
3234 fprintf(stderr, "At least one output file must be specified\n");
3237 oc = output_files[nb_output_files - 1];
3238 new_audio_stream(oc);
3241 static void opt_new_video_stream(void)
3243 AVFormatContext *oc;
3244 if (nb_output_files <= 0) {
3245 fprintf(stderr, "At least one output file must be specified\n");
3248 oc = output_files[nb_output_files - 1];
3249 new_video_stream(oc);
3252 static void opt_new_subtitle_stream(void)
3254 AVFormatContext *oc;
3255 if (nb_output_files <= 0) {
3256 fprintf(stderr, "At least one output file must be specified\n");
3259 oc = output_files[nb_output_files - 1];
3260 new_subtitle_stream(oc);
3263 static void opt_output_file(const char *filename)
3265 AVFormatContext *oc;
3266 int use_video, use_audio, use_subtitle;
3267 int input_has_video, input_has_audio, input_has_subtitle;
3268 AVFormatParameters params, *ap = ¶ms;
3270 if (!strcmp(filename, "-"))
3273 oc = avformat_alloc_context();
3275 if (!file_oformat) {
3276 file_oformat = guess_format(NULL, filename, NULL);
3277 if (!file_oformat) {
3278 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3284 oc->oformat = file_oformat;
3285 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3287 if (!strcmp(file_oformat->name, "ffm") &&
3288 av_strstart(filename, "http:", NULL)) {
3289 /* special case for files sent to ffserver: we get the stream
3290 parameters from ffserver */
3291 int err = read_ffserver_streams(oc, filename);
3293 print_error(filename, err);
3297 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3298 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3299 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3301 /* disable if no corresponding type found and at least one
3303 if (nb_input_files > 0) {
3304 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3305 &input_has_subtitle);
3306 if (!input_has_video)
3308 if (!input_has_audio)
3310 if (!input_has_subtitle)
3314 /* manual disable */
3315 if (audio_disable) {
3318 if (video_disable) {
3321 if (subtitle_disable) {
3326 new_video_stream(oc);
3330 new_audio_stream(oc);
3334 new_subtitle_stream(oc);
3337 oc->timestamp = rec_timestamp;
3340 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3342 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3344 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3346 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3348 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3350 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3353 output_files[nb_output_files++] = oc;
3355 /* check filename in case of an image number is expected */
3356 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3357 if (!av_filename_number_test(oc->filename)) {
3358 print_error(oc->filename, AVERROR_NUMEXPECTED);
3363 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3364 /* test if it already exists to avoid loosing precious files */
3365 if (!file_overwrite &&
3366 (strchr(filename, ':') == NULL ||
3367 filename[1] == ':' ||
3368 av_strstart(filename, "file:", NULL))) {
3369 if (url_exist(filename)) {
3373 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3376 if (toupper(c) != 'Y') {
3377 fprintf(stderr, "Not overwriting - exiting\n");
3382 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3389 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3390 fprintf(stderr, "Could not open '%s'\n", filename);
3395 memset(ap, 0, sizeof(*ap));
3396 if (av_set_parameters(oc, ap) < 0) {
3397 fprintf(stderr, "%s: Invalid encoding parameters\n",
3402 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3403 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3404 oc->loop_output = loop_output;
3406 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3408 /* reset some options */
3409 file_oformat = NULL;
3410 file_iformat = NULL;
3413 /* same option as mencoder */
3414 static void opt_pass(const char *pass_str)
3417 pass = atoi(pass_str);
3418 if (pass != 1 && pass != 2) {
3419 fprintf(stderr, "pass number can be only 1 or 2\n");
3425 static int64_t getutime(void)
3428 struct rusage rusage;
3430 getrusage(RUSAGE_SELF, &rusage);
3431 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3432 #elif HAVE_GETPROCESSTIMES
3434 FILETIME c, e, k, u;
3435 proc = GetCurrentProcess();
3436 GetProcessTimes(proc, &c, &e, &k, &u);
3437 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3439 return av_gettime();
3443 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3446 const char *p = str;
3453 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3460 static void opt_inter_matrix(const char *arg)
3462 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3463 parse_matrix_coeffs(inter_matrix, arg);
3466 static void opt_intra_matrix(const char *arg)
3468 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3469 parse_matrix_coeffs(intra_matrix, arg);
3473 * Trivial log callback.
3474 * Only suitable for show_help and similar since it lacks prefix handling.
3476 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3478 vfprintf(stdout, fmt, vl);
3481 static void show_help(void)
3483 av_log_set_callback(log_callback_help);
3484 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3485 "Hyper fast Audio and Video encoder\n");
3487 show_help_options(options, "Main options:\n",
3488 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3489 show_help_options(options, "\nAdvanced options:\n",
3490 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3492 show_help_options(options, "\nVideo options:\n",
3493 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3495 show_help_options(options, "\nAdvanced Video options:\n",
3496 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3497 OPT_VIDEO | OPT_EXPERT);
3498 show_help_options(options, "\nAudio options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3501 show_help_options(options, "\nAdvanced Audio options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 OPT_AUDIO | OPT_EXPERT);
3504 show_help_options(options, "\nSubtitle options:\n",
3505 OPT_SUBTITLE | OPT_GRAB,
3507 show_help_options(options, "\nAudio/Video grab options:\n",
3511 av_opt_show(avctx_opts[0], NULL);
3513 av_opt_show(avformat_opts, NULL);
3515 av_opt_show(sws_opts, NULL);
3518 static void opt_target(const char *arg)
3521 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3523 if(!strncmp(arg, "pal-", 4)) {
3526 } else if(!strncmp(arg, "ntsc-", 5)) {
3529 } else if(!strncmp(arg, "film-", 5)) {
3534 /* Calculate FR via float to avoid int overflow */
3535 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3538 } else if((fr == 29970) || (fr == 23976)) {
3541 /* Try to determine PAL/NTSC by peeking in the input files */
3542 if(nb_input_files) {
3544 for(j = 0; j < nb_input_files; j++) {
3545 for(i = 0; i < input_files[j]->nb_streams; i++) {
3546 AVCodecContext *c = input_files[j]->streams[i]->codec;
3547 if(c->codec_type != CODEC_TYPE_VIDEO)
3549 fr = c->time_base.den * 1000 / c->time_base.num;
3553 } else if((fr == 29970) || (fr == 23976)) {
3563 if(verbose && norm >= 0)
3564 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3568 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3569 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3570 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3574 if(!strcmp(arg, "vcd")) {
3576 opt_video_codec("mpeg1video");
3577 opt_audio_codec("mp2");
3580 opt_frame_size(norm ? "352x240" : "352x288");
3581 opt_frame_rate(NULL, frame_rates[norm]);
3582 opt_default("gop", norm ? "18" : "15");
3584 opt_default("b", "1150000");
3585 opt_default("maxrate", "1150000");
3586 opt_default("minrate", "1150000");
3587 opt_default("bufsize", "327680"); // 40*1024*8;
3589 opt_default("ab", "224000");
3590 audio_sample_rate = 44100;
3593 opt_default("packetsize", "2324");
3594 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3596 /* We have to offset the PTS, so that it is consistent with the SCR.
3597 SCR starts at 36000, but the first two packs contain only padding
3598 and the first pack from the other stream, respectively, may also have
3599 been written before.
3600 So the real data starts at SCR 36000+3*1200. */
3601 mux_preload= (36000+3*1200) / 90000.0; //0.44
3602 } else if(!strcmp(arg, "svcd")) {
3604 opt_video_codec("mpeg2video");
3605 opt_audio_codec("mp2");
3608 opt_frame_size(norm ? "480x480" : "480x576");
3609 opt_frame_rate(NULL, frame_rates[norm]);
3610 opt_default("gop", norm ? "18" : "15");
3612 opt_default("b", "2040000");
3613 opt_default("maxrate", "2516000");
3614 opt_default("minrate", "0"); //1145000;
3615 opt_default("bufsize", "1835008"); //224*1024*8;
3616 opt_default("flags", "+scan_offset");
3619 opt_default("ab", "224000");
3620 audio_sample_rate = 44100;
3622 opt_default("packetsize", "2324");
3624 } else if(!strcmp(arg, "dvd")) {
3626 opt_video_codec("mpeg2video");
3627 opt_audio_codec("ac3");
3630 opt_frame_size(norm ? "720x480" : "720x576");
3631 opt_frame_rate(NULL, frame_rates[norm]);
3632 opt_default("gop", norm ? "18" : "15");
3634 opt_default("b", "6000000");
3635 opt_default("maxrate", "9000000");
3636 opt_default("minrate", "0"); //1500000;
3637 opt_default("bufsize", "1835008"); //224*1024*8;
3639 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3640 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3642 opt_default("ab", "448000");
3643 audio_sample_rate = 48000;
3645 } else if(!strncmp(arg, "dv", 2)) {
3649 opt_frame_size(norm ? "720x480" : "720x576");
3650 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3651 (norm ? "yuv411p" : "yuv420p"));
3652 opt_frame_rate(NULL, frame_rates[norm]);
3654 audio_sample_rate = 48000;
3658 fprintf(stderr, "Unknown target: %s\n", arg);
3663 static void opt_vstats_file (const char *arg)
3665 av_free (vstats_filename);
3666 vstats_filename=av_strdup (arg);
3669 static void opt_vstats (void)
3672 time_t today2 = time(NULL);
3673 struct tm *today = localtime(&today2);
3675 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3677 opt_vstats_file(filename);
3680 static int opt_bsf(const char *opt, const char *arg)
3682 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3683 AVBitStreamFilterContext **bsfp;
3686 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3690 bsfp= *opt == 'v' ? &video_bitstream_filters :
3691 *opt == 'a' ? &audio_bitstream_filters :
3692 &subtitle_bitstream_filters;
3694 bsfp= &(*bsfp)->next;
3701 static int opt_preset(const char *opt, const char *arg)
3704 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3706 const char *base[2]= { getenv("HOME"),
3710 for(i=!base[0]; i<2 && !f; i++){
3711 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3712 f= fopen(filename, "r");
3714 char *codec_name= *opt == 'v' ? video_codec_name :
3715 *opt == 'a' ? audio_codec_name :
3716 subtitle_codec_name;
3717 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3718 f= fopen(filename, "r");
3721 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3723 av_strlcpy(filename, arg, sizeof(filename));
3724 f= fopen(filename, "r");
3728 fprintf(stderr, "File for preset '%s' not found\n", arg);
3733 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3734 if(line[0] == '#' && !e)
3736 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3738 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3741 if(!strcmp(tmp, "acodec")){
3742 opt_audio_codec(tmp2);
3743 }else if(!strcmp(tmp, "vcodec")){
3744 opt_video_codec(tmp2);
3745 }else if(!strcmp(tmp, "scodec")){
3746 opt_subtitle_codec(tmp2);
3747 }else if(opt_default(tmp, tmp2) < 0){
3748 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3758 static const OptionDef options[] = {
3760 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3761 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3762 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3763 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3764 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3765 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3766 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3767 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3768 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3769 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3770 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3771 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3772 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3773 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3774 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3775 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3776 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3777 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3778 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3779 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3780 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3781 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3782 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3783 "add timings for benchmarking" },
3784 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3785 "dump each input packet" },
3786 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3787 "when dumping packets, also dump the payload" },
3788 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3789 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3790 { "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)", "" },
3791 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3792 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3793 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3794 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3795 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3796 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3797 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3798 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3799 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3800 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3801 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3802 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3803 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3806 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3807 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3808 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3809 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3810 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3811 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3812 { "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" },
3813 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3814 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3815 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3816 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3817 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3818 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3819 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3820 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3821 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3822 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3823 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3824 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3825 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3826 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3827 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3828 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3829 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3830 "use same video quality as source (implies VBR)" },
3831 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3832 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3833 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3834 "deinterlace pictures" },
3835 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3836 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3837 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3839 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3841 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3842 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3843 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3844 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3845 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3846 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3847 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3848 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3851 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3852 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3853 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3854 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3855 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3856 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3857 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3858 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3859 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3860 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3861 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3862 { "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" },
3864 /* subtitle options */
3865 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3866 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3867 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3868 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3871 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3872 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3873 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3876 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3877 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3879 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3880 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3881 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3883 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3884 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3885 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3887 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3891 int main(int argc, char **argv)
3896 avcodec_register_all();
3897 avdevice_register_all();
3900 if(isatty(STDIN_FILENO))
3901 url_set_interrupt_cb(decode_interrupt_cb);
3903 for(i=0; i<CODEC_TYPE_NB; i++){
3904 avctx_opts[i]= avcodec_alloc_context2(i);
3906 avformat_opts = avformat_alloc_context();
3907 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3912 parse_options(argc, argv, options, opt_output_file);
3914 /* file converter / grab */
3915 if (nb_output_files <= 0) {
3916 fprintf(stderr, "At least one output file must be specified\n");
3920 if (nb_input_files == 0) {
3921 fprintf(stderr, "At least one input file must be specified\n");
3926 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3927 stream_maps, nb_stream_maps) < 0)
3929 ti = getutime() - ti;
3931 printf("bench: utime=%0.3fs\n", ti / 1000000.0);