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, ost->sync_ipts, nb_frames);
876 fprintf(stderr, "*** drop!\n");
877 }else if (nb_frames > 1) {
878 nb_frames_dup += nb_frames;
880 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
883 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
885 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
889 if (ost->video_crop) {
890 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
891 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 : 1;
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 : 1;
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) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1754 codec->time_base = icodec->time_base;
1756 codec->time_base = ist->st->time_base;
1757 switch(codec->codec_type) {
1758 case CODEC_TYPE_AUDIO:
1759 if(audio_volume != 256) {
1760 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1763 codec->channel_layout = icodec->channel_layout;
1764 codec->sample_rate = icodec->sample_rate;
1765 codec->channels = icodec->channels;
1766 codec->frame_size = icodec->frame_size;
1767 codec->block_align= icodec->block_align;
1768 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1769 codec->block_align= 0;
1770 if(codec->codec_id == CODEC_ID_AC3)
1771 codec->block_align= 0;
1773 case CODEC_TYPE_VIDEO:
1775 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1778 codec->pix_fmt = icodec->pix_fmt;
1779 codec->width = icodec->width;
1780 codec->height = icodec->height;
1781 codec->has_b_frames = icodec->has_b_frames;
1783 case CODEC_TYPE_SUBTITLE:
1784 codec->width = icodec->width;
1785 codec->height = icodec->height;
1791 switch(codec->codec_type) {
1792 case CODEC_TYPE_AUDIO:
1793 if (av_fifo_init(&ost->fifo, 1024))
1795 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1796 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1797 icodec->request_channels = codec->channels;
1798 ist->decoding_needed = 1;
1799 ost->encoding_needed = 1;
1801 case CODEC_TYPE_VIDEO:
1802 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1803 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1804 ost->video_resample = ((codec->width != icodec->width -
1805 (frame_leftBand + frame_rightBand) +
1806 (frame_padleft + frame_padright)) ||
1807 (codec->height != icodec->height -
1808 (frame_topBand + frame_bottomBand) +
1809 (frame_padtop + frame_padbottom)) ||
1810 (codec->pix_fmt != icodec->pix_fmt));
1811 if (ost->video_crop) {
1812 ost->topBand = frame_topBand;
1813 ost->leftBand = frame_leftBand;
1815 if (ost->video_pad) {
1816 ost->padtop = frame_padtop;
1817 ost->padleft = frame_padleft;
1818 ost->padbottom = frame_padbottom;
1819 ost->padright = frame_padright;
1820 if (!ost->video_resample) {
1821 avcodec_get_frame_defaults(&ost->pict_tmp);
1822 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1823 codec->width, codec->height))
1827 if (ost->video_resample) {
1828 avcodec_get_frame_defaults(&ost->pict_tmp);
1829 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1830 codec->width, codec->height)) {
1831 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1834 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1835 ost->img_resample_ctx = sws_getContext(
1836 icodec->width - (frame_leftBand + frame_rightBand),
1837 icodec->height - (frame_topBand + frame_bottomBand),
1839 codec->width - (frame_padleft + frame_padright),
1840 codec->height - (frame_padtop + frame_padbottom),
1842 sws_flags, NULL, NULL, NULL);
1843 if (ost->img_resample_ctx == NULL) {
1844 fprintf(stderr, "Cannot get resampling context\n");
1847 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1849 ost->encoding_needed = 1;
1850 ist->decoding_needed = 1;
1852 case CODEC_TYPE_SUBTITLE:
1853 ost->encoding_needed = 1;
1854 ist->decoding_needed = 1;
1861 if (ost->encoding_needed &&
1862 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1863 char logfilename[1024];
1868 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1869 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1871 if (codec->flags & CODEC_FLAG_PASS1) {
1872 f = fopen(logfilename, "w");
1874 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1879 /* read the log file */
1880 f = fopen(logfilename, "r");
1882 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1885 fseek(f, 0, SEEK_END);
1887 fseek(f, 0, SEEK_SET);
1888 logbuffer = av_malloc(size + 1);
1890 fprintf(stderr, "Could not allocate log buffer\n");
1893 size = fread(logbuffer, 1, size, f);
1895 logbuffer[size] = '\0';
1896 codec->stats_in = logbuffer;
1900 if(codec->codec_type == CODEC_TYPE_VIDEO){
1901 int size= codec->width * codec->height;
1902 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1907 bit_buffer = av_malloc(bit_buffer_size);
1911 /* dump the file output parameters - cannot be done before in case
1913 for(i=0;i<nb_output_files;i++) {
1914 dump_format(output_files[i], i, output_files[i]->filename, 1);
1917 /* dump the stream mapping */
1919 fprintf(stderr, "Stream mapping:\n");
1920 for(i=0;i<nb_ostreams;i++) {
1922 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1923 ist_table[ost->source_index]->file_index,
1924 ist_table[ost->source_index]->index,
1927 if (ost->sync_ist != ist_table[ost->source_index])
1928 fprintf(stderr, " [sync #%d.%d]",
1929 ost->sync_ist->file_index,
1930 ost->sync_ist->index);
1931 fprintf(stderr, "\n");
1935 /* open each encoder */
1936 for(i=0;i<nb_ostreams;i++) {
1938 if (ost->encoding_needed) {
1939 AVCodec *codec = output_codecs[i];
1941 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1943 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1944 ost->file_index, ost->index);
1947 if (avcodec_open(ost->st->codec, codec) < 0) {
1948 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1949 ost->file_index, ost->index);
1952 extra_size += ost->st->codec->extradata_size;
1956 /* open each decoder */
1957 for(i=0;i<nb_istreams;i++) {
1959 if (ist->decoding_needed) {
1960 AVCodec *codec = input_codecs[i];
1962 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1964 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1965 ist->st->codec->codec_id, ist->file_index, ist->index);
1968 if (avcodec_open(ist->st->codec, codec) < 0) {
1969 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1970 ist->file_index, ist->index);
1973 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1974 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1979 for(i=0;i<nb_istreams;i++) {
1981 is = input_files[ist->file_index];
1983 ist->next_pts = AV_NOPTS_VALUE;
1987 /* set meta data information from input file if required */
1988 for (i=0;i<nb_meta_data_maps;i++) {
1989 AVFormatContext *out_file;
1990 AVFormatContext *in_file;
1992 int out_file_index = meta_data_maps[i].out_file;
1993 int in_file_index = meta_data_maps[i].in_file;
1994 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1995 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1996 ret = AVERROR(EINVAL);
1999 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2000 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
2001 ret = AVERROR(EINVAL);
2005 out_file = output_files[out_file_index];
2006 in_file = input_files[in_file_index];
2008 strcpy(out_file->title, in_file->title);
2009 strcpy(out_file->author, in_file->author);
2010 strcpy(out_file->copyright, in_file->copyright);
2011 strcpy(out_file->comment, in_file->comment);
2012 strcpy(out_file->album, in_file->album);
2013 out_file->year = in_file->year;
2014 out_file->track = in_file->track;
2015 strcpy(out_file->genre, in_file->genre);
2018 /* open files and write file headers */
2019 for(i=0;i<nb_output_files;i++) {
2020 os = output_files[i];
2021 if (av_write_header(os) < 0) {
2022 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2023 ret = AVERROR(EINVAL);
2026 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2031 print_sdp(output_files, nb_output_files);
2034 if (!using_stdin && verbose >= 0) {
2035 fprintf(stderr, "Press [q] to stop encoding\n");
2036 url_set_interrupt_cb(decode_interrupt_cb);
2041 timer_start = av_gettime();
2043 for(; received_sigterm == 0;) {
2044 int file_index, ist_index;
2052 /* if 'q' pressed, exits */
2056 /* read_key() returns 0 on EOF */
2062 /* select the stream that we must read now by looking at the
2063 smallest output pts */
2065 for(i=0;i<nb_ostreams;i++) {
2068 os = output_files[ost->file_index];
2069 ist = ist_table[ost->source_index];
2070 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2071 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2073 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2074 ipts = (double)ist->pts;
2075 if (!file_table[ist->file_index].eof_reached){
2076 if(ipts < ipts_min) {
2078 if(input_sync ) file_index = ist->file_index;
2080 if(opts < opts_min) {
2082 if(!input_sync) file_index = ist->file_index;
2085 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2090 /* if none, if is finished */
2091 if (file_index < 0) {
2095 /* finish if recording time exhausted */
2096 if (opts_min >= (recording_time / 1000000.0))
2099 /* finish if limit size exhausted */
2100 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2103 /* read a frame from it and output it in the fifo */
2104 is = input_files[file_index];
2105 ret= av_read_frame(is, &pkt);
2106 if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm"))
2109 file_table[file_index].eof_reached = 1;
2117 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2119 /* the following test is needed in case new streams appear
2120 dynamically in stream : we ignore them */
2121 if (pkt.stream_index >= file_table[file_index].nb_streams)
2122 goto discard_packet;
2123 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2124 ist = ist_table[ist_index];
2126 goto discard_packet;
2128 if (pkt.dts != AV_NOPTS_VALUE)
2129 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2130 if (pkt.pts != AV_NOPTS_VALUE)
2131 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2133 if(input_files_ts_scale[file_index][pkt.stream_index]){
2134 if(pkt.pts != AV_NOPTS_VALUE)
2135 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2136 if(pkt.dts != AV_NOPTS_VALUE)
2137 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2140 // 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);
2141 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2142 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2143 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2144 int64_t delta= pkt_dts - ist->next_pts;
2145 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2146 input_files_ts_offset[ist->file_index]-= delta;
2148 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2149 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2150 if(pkt.pts != AV_NOPTS_VALUE)
2151 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2155 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2156 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2159 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2160 ist->file_index, ist->index);
2163 av_free_packet(&pkt);
2168 av_free_packet(&pkt);
2170 /* dump report by using the output first video and audio streams */
2171 print_report(output_files, ost_table, nb_ostreams, 0);
2174 /* at the end of stream, we must flush the decoder buffers */
2175 for(i=0;i<nb_istreams;i++) {
2177 if (ist->decoding_needed) {
2178 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2184 /* write the trailer if needed and close file */
2185 for(i=0;i<nb_output_files;i++) {
2186 os = output_files[i];
2187 av_write_trailer(os);
2190 /* dump report by using the first video and audio streams */
2191 print_report(output_files, ost_table, nb_ostreams, 1);
2193 /* close each encoder */
2194 for(i=0;i<nb_ostreams;i++) {
2196 if (ost->encoding_needed) {
2197 av_freep(&ost->st->codec->stats_in);
2198 avcodec_close(ost->st->codec);
2202 /* close each decoder */
2203 for(i=0;i<nb_istreams;i++) {
2205 if (ist->decoding_needed) {
2206 avcodec_close(ist->st->codec);
2214 av_freep(&bit_buffer);
2215 av_free(file_table);
2218 for(i=0;i<nb_istreams;i++) {
2225 for(i=0;i<nb_ostreams;i++) {
2229 fclose(ost->logfile);
2230 ost->logfile = NULL;
2232 av_fifo_free(&ost->fifo); /* works even if fifo is not
2233 initialized but set to zero */
2234 av_free(ost->pict_tmp.data[0]);
2235 if (ost->video_resample)
2236 sws_freeContext(ost->img_resample_ctx);
2238 audio_resample_close(ost->resample);
2239 if (ost->reformat_ctx)
2240 av_audio_convert_free(ost->reformat_ctx);
2248 ret = AVERROR(ENOMEM);
2253 int file_read(const char *filename)
2256 unsigned char buffer[1024];
2259 if (url_open(&h, filename, O_RDONLY) < 0) {
2260 printf("could not open '%s'\n", filename);
2264 len = url_read(h, buffer, sizeof(buffer));
2267 for(i=0;i<len;i++) putchar(buffer[i]);
2274 static void opt_format(const char *arg)
2276 /* compatibility stuff for pgmyuv */
2277 if (!strcmp(arg, "pgmyuv")) {
2278 pgmyuv_compatibility_hack=1;
2279 // opt_image_format(arg);
2281 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2284 file_iformat = av_find_input_format(arg);
2285 file_oformat = guess_format(arg, NULL, NULL);
2286 if (!file_iformat && !file_oformat) {
2287 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2292 static void opt_video_rc_override_string(const char *arg)
2294 video_rc_override_string = arg;
2297 static int opt_me_threshold(const char *opt, const char *arg)
2299 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2303 static int opt_verbose(const char *opt, const char *arg)
2305 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2306 av_log_set_level(verbose);
2310 static int opt_frame_rate(const char *opt, const char *arg)
2312 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2313 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2319 static int opt_bitrate(const char *opt, const char *arg)
2321 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2323 opt_default(opt, arg);
2325 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2326 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2331 static void opt_frame_crop_top(const char *arg)
2333 frame_topBand = atoi(arg);
2334 if (frame_topBand < 0) {
2335 fprintf(stderr, "Incorrect top crop size\n");
2338 if ((frame_topBand % 2) != 0) {
2339 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2342 if ((frame_topBand) >= frame_height){
2343 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2346 frame_height -= frame_topBand;
2349 static void opt_frame_crop_bottom(const char *arg)
2351 frame_bottomBand = atoi(arg);
2352 if (frame_bottomBand < 0) {
2353 fprintf(stderr, "Incorrect bottom crop size\n");
2356 if ((frame_bottomBand % 2) != 0) {
2357 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2360 if ((frame_bottomBand) >= frame_height){
2361 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2364 frame_height -= frame_bottomBand;
2367 static void opt_frame_crop_left(const char *arg)
2369 frame_leftBand = atoi(arg);
2370 if (frame_leftBand < 0) {
2371 fprintf(stderr, "Incorrect left crop size\n");
2374 if ((frame_leftBand % 2) != 0) {
2375 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2378 if ((frame_leftBand) >= frame_width){
2379 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2382 frame_width -= frame_leftBand;
2385 static void opt_frame_crop_right(const char *arg)
2387 frame_rightBand = atoi(arg);
2388 if (frame_rightBand < 0) {
2389 fprintf(stderr, "Incorrect right crop size\n");
2392 if ((frame_rightBand % 2) != 0) {
2393 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2396 if ((frame_rightBand) >= frame_width){
2397 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2400 frame_width -= frame_rightBand;
2403 static void opt_frame_size(const char *arg)
2405 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2406 fprintf(stderr, "Incorrect frame size\n");
2409 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2410 fprintf(stderr, "Frame size must be a multiple of 2\n");
2416 #define SCALEBITS 10
2417 #define ONE_HALF (1 << (SCALEBITS - 1))
2418 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2420 #define RGB_TO_Y(r, g, b) \
2421 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2422 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2424 #define RGB_TO_U(r1, g1, b1, shift)\
2425 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2426 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2428 #define RGB_TO_V(r1, g1, b1, shift)\
2429 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2430 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2432 static void opt_pad_color(const char *arg) {
2433 /* Input is expected to be six hex digits similar to
2434 how colors are expressed in html tags (but without the #) */
2435 int rgb = strtol(arg, NULL, 16);
2439 g = ((rgb >> 8) & 255);
2442 padcolor[0] = RGB_TO_Y(r,g,b);
2443 padcolor[1] = RGB_TO_U(r,g,b,0);
2444 padcolor[2] = RGB_TO_V(r,g,b,0);
2447 static void opt_frame_pad_top(const char *arg)
2449 frame_padtop = atoi(arg);
2450 if (frame_padtop < 0) {
2451 fprintf(stderr, "Incorrect top pad size\n");
2454 if ((frame_padtop % 2) != 0) {
2455 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2460 static void opt_frame_pad_bottom(const char *arg)
2462 frame_padbottom = atoi(arg);
2463 if (frame_padbottom < 0) {
2464 fprintf(stderr, "Incorrect bottom pad size\n");
2467 if ((frame_padbottom % 2) != 0) {
2468 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2474 static void opt_frame_pad_left(const char *arg)
2476 frame_padleft = atoi(arg);
2477 if (frame_padleft < 0) {
2478 fprintf(stderr, "Incorrect left pad size\n");
2481 if ((frame_padleft % 2) != 0) {
2482 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2488 static void opt_frame_pad_right(const char *arg)
2490 frame_padright = atoi(arg);
2491 if (frame_padright < 0) {
2492 fprintf(stderr, "Incorrect right pad size\n");
2495 if ((frame_padright % 2) != 0) {
2496 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2501 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2505 for (i=-1; i < nb_fmts; i++) {
2506 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2507 fprintf(stdout, "%s\n", fmt_str);
2511 static void opt_frame_pix_fmt(const char *arg)
2513 if (strcmp(arg, "list"))
2514 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2516 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2521 static void opt_frame_aspect_ratio(const char *arg)
2528 p = strchr(arg, ':');
2530 x = strtol(arg, &end, 10);
2532 y = strtol(end+1, &end, 10);
2534 ar = (double)x / (double)y;
2536 ar = strtod(arg, NULL);
2539 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2542 frame_aspect_ratio = ar;
2545 static void opt_qscale(const char *arg)
2547 video_qscale = atof(arg);
2548 if (video_qscale <= 0 ||
2549 video_qscale > 255) {
2550 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2555 static void opt_top_field_first(const char *arg)
2557 top_field_first= atoi(arg);
2560 static int opt_thread_count(const char *opt, const char *arg)
2562 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2565 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2570 static void opt_audio_sample_fmt(const char *arg)
2572 if (strcmp(arg, "list"))
2573 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2575 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2580 static int opt_audio_rate(const char *opt, const char *arg)
2582 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2586 static int opt_audio_channels(const char *opt, const char *arg)
2588 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2592 static void opt_video_channel(const char *arg)
2594 video_channel = strtol(arg, NULL, 0);
2597 static void opt_video_standard(const char *arg)
2599 video_standard = av_strdup(arg);
2602 static void opt_codec(int *pstream_copy, char **pcodec_name,
2603 int codec_type, const char *arg)
2605 av_freep(pcodec_name);
2606 if (!strcmp(arg, "copy")) {
2609 *pcodec_name = av_strdup(arg);
2613 static void opt_audio_codec(const char *arg)
2615 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2618 static void opt_audio_tag(const char *arg)
2621 audio_codec_tag= strtol(arg, &tail, 0);
2624 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2627 static void opt_video_tag(const char *arg)
2630 video_codec_tag= strtol(arg, &tail, 0);
2633 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2637 static void add_frame_hooker(const char *arg)
2642 char *args = av_strdup(arg);
2646 argv[0] = strtok(args, " ");
2647 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2650 i = frame_hook_add(argc, argv);
2653 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2659 static void opt_video_codec(const char *arg)
2661 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2664 static void opt_subtitle_codec(const char *arg)
2666 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2669 static void opt_map(const char *arg)
2674 m = &stream_maps[nb_stream_maps++];
2676 m->file_index = strtol(arg, &p, 0);
2680 m->stream_index = strtol(p, &p, 0);
2683 m->sync_file_index = strtol(p, &p, 0);
2686 m->sync_stream_index = strtol(p, &p, 0);
2688 m->sync_file_index = m->file_index;
2689 m->sync_stream_index = m->stream_index;
2693 static void opt_map_meta_data(const char *arg)
2698 m = &meta_data_maps[nb_meta_data_maps++];
2700 m->out_file = strtol(arg, &p, 0);
2704 m->in_file = strtol(p, &p, 0);
2707 static void opt_input_ts_scale(const char *arg)
2709 unsigned int stream;
2713 stream = strtol(arg, &p, 0);
2716 scale= strtod(p, &p);
2718 if(stream >= MAX_STREAMS)
2721 input_files_ts_scale[nb_input_files][stream]= scale;
2724 static int opt_recording_time(const char *opt, const char *arg)
2726 recording_time = parse_time_or_die(opt, arg, 1);
2730 static int opt_start_time(const char *opt, const char *arg)
2732 start_time = parse_time_or_die(opt, arg, 1);
2736 static int opt_rec_timestamp(const char *opt, const char *arg)
2738 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2742 static int opt_input_ts_offset(const char *opt, const char *arg)
2744 input_ts_offset = parse_time_or_die(opt, arg, 1);
2748 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2750 const char *codec_string = encoder ? "encoder" : "decoder";
2754 return CODEC_ID_NONE;
2756 avcodec_find_encoder_by_name(name) :
2757 avcodec_find_decoder_by_name(name);
2759 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2762 if(codec->type != type) {
2763 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2769 static void opt_input_file(const char *filename)
2771 AVFormatContext *ic;
2772 AVFormatParameters params, *ap = ¶ms;
2773 int err, i, ret, rfps, rfps_base;
2776 if (!strcmp(filename, "-"))
2779 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2780 !strcmp(filename, "/dev/stdin");
2782 /* get default parameters from command line */
2783 ic = avformat_alloc_context();
2785 memset(ap, 0, sizeof(*ap));
2786 ap->prealloced_context = 1;
2787 ap->sample_rate = audio_sample_rate;
2788 ap->channels = audio_channels;
2789 ap->time_base.den = frame_rate.num;
2790 ap->time_base.num = frame_rate.den;
2791 ap->width = frame_width + frame_padleft + frame_padright;
2792 ap->height = frame_height + frame_padtop + frame_padbottom;
2793 ap->pix_fmt = frame_pix_fmt;
2794 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2795 ap->channel = video_channel;
2796 ap->standard = video_standard;
2797 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2798 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2799 if(pgmyuv_compatibility_hack)
2800 ap->video_codec_id= CODEC_ID_PGMYUV;
2802 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2804 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2805 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2806 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2808 /* open the input file with generic libav function */
2809 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2811 print_error(filename, err);
2816 for(i=0; i<ic->nb_programs; i++)
2817 if(ic->programs[i]->id != opt_programid)
2818 ic->programs[i]->discard = AVDISCARD_ALL;
2821 ic->loop_input = loop_input;
2823 /* If not enough info to get the stream parameters, we decode the
2824 first frames to get it. (used in mpeg case for example) */
2825 ret = av_find_stream_info(ic);
2826 if (ret < 0 && verbose >= 0) {
2827 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2831 timestamp = start_time;
2832 /* add the stream start time */
2833 if (ic->start_time != AV_NOPTS_VALUE)
2834 timestamp += ic->start_time;
2836 /* if seeking requested, we execute it */
2837 if (start_time != 0) {
2838 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2840 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2841 filename, (double)timestamp / AV_TIME_BASE);
2843 /* reset seek info */
2847 /* update the current parameters so that they match the one of the input stream */
2848 for(i=0;i<ic->nb_streams;i++) {
2849 AVCodecContext *enc = ic->streams[i]->codec;
2851 avcodec_thread_init(enc, thread_count);
2852 enc->thread_count= thread_count;
2853 switch(enc->codec_type) {
2854 case CODEC_TYPE_AUDIO:
2855 set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2856 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2857 channel_layout = enc->channel_layout;
2858 audio_channels = enc->channels;
2859 audio_sample_rate = enc->sample_rate;
2860 audio_sample_fmt = enc->sample_fmt;
2861 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2863 ic->streams[i]->discard= AVDISCARD_ALL;
2865 case CODEC_TYPE_VIDEO:
2866 set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2867 frame_height = enc->height;
2868 frame_width = enc->width;
2869 if(ic->streams[i]->sample_aspect_ratio.num)
2870 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2872 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2873 frame_aspect_ratio *= (float) enc->width / enc->height;
2874 frame_pix_fmt = enc->pix_fmt;
2875 rfps = ic->streams[i]->r_frame_rate.num;
2876 rfps_base = ic->streams[i]->r_frame_rate.den;
2877 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2879 enc->debug |= FF_DEBUG_MV;
2881 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2884 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2885 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2887 (float)rfps / rfps_base, rfps, rfps_base);
2889 /* update the current frame rate to match the stream frame rate */
2890 frame_rate.num = rfps;
2891 frame_rate.den = rfps_base;
2893 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2895 ic->streams[i]->discard= AVDISCARD_ALL;
2896 else if(video_discard)
2897 ic->streams[i]->discard= video_discard;
2899 case CODEC_TYPE_DATA:
2901 case CODEC_TYPE_SUBTITLE:
2902 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2903 if(subtitle_disable)
2904 ic->streams[i]->discard = AVDISCARD_ALL;
2906 case CODEC_TYPE_ATTACHMENT:
2907 case CODEC_TYPE_UNKNOWN:
2915 input_files[nb_input_files] = ic;
2916 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2917 /* dump the file content */
2919 dump_format(ic, nb_input_files, filename, 0);
2922 file_iformat = NULL;
2923 file_oformat = NULL;
2927 av_freep(&video_codec_name);
2928 av_freep(&audio_codec_name);
2929 av_freep(&subtitle_codec_name);
2932 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2933 int *has_subtitle_ptr)
2935 int has_video, has_audio, has_subtitle, i, j;
2936 AVFormatContext *ic;
2941 for(j=0;j<nb_input_files;j++) {
2942 ic = input_files[j];
2943 for(i=0;i<ic->nb_streams;i++) {
2944 AVCodecContext *enc = ic->streams[i]->codec;
2945 switch(enc->codec_type) {
2946 case CODEC_TYPE_AUDIO:
2949 case CODEC_TYPE_VIDEO:
2952 case CODEC_TYPE_SUBTITLE:
2955 case CODEC_TYPE_DATA:
2956 case CODEC_TYPE_ATTACHMENT:
2957 case CODEC_TYPE_UNKNOWN:
2964 *has_video_ptr = has_video;
2965 *has_audio_ptr = has_audio;
2966 *has_subtitle_ptr = has_subtitle;
2969 static void new_video_stream(AVFormatContext *oc)
2972 AVCodecContext *video_enc;
2975 st = av_new_stream(oc, oc->nb_streams);
2977 fprintf(stderr, "Could not alloc stream\n");
2980 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2981 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2982 video_bitstream_filters= NULL;
2985 avcodec_thread_init(st->codec, thread_count);
2987 video_enc = st->codec;
2990 video_enc->codec_tag= video_codec_tag;
2992 if( (video_global_header&1)
2993 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2994 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2995 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2997 if(video_global_header&2){
2998 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2999 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3002 if (video_stream_copy) {
3003 st->stream_copy = 1;
3004 video_enc->codec_type = CODEC_TYPE_VIDEO;
3005 video_enc->sample_aspect_ratio =
3006 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3011 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3013 if (video_codec_name) {
3014 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3015 codec = avcodec_find_encoder_by_name(video_codec_name);
3016 output_codecs[nb_ocodecs] = codec;
3018 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3019 codec = avcodec_find_encoder(codec_id);
3022 video_enc->codec_id = codec_id;
3024 set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3026 if (codec && codec->supported_framerates && !force_fps)
3027 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3028 video_enc->time_base.den = fps.num;
3029 video_enc->time_base.num = fps.den;
3031 video_enc->width = frame_width + frame_padright + frame_padleft;
3032 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3033 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3034 video_enc->pix_fmt = frame_pix_fmt;
3035 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3037 if(codec && codec->pix_fmts){
3038 const enum PixelFormat *p= codec->pix_fmts;
3040 if(*p == video_enc->pix_fmt)
3044 video_enc->pix_fmt = codec->pix_fmts[0];
3048 video_enc->gop_size = 0;
3049 if (video_qscale || same_quality) {
3050 video_enc->flags |= CODEC_FLAG_QSCALE;
3051 video_enc->global_quality=
3052 st->quality = FF_QP2LAMBDA * video_qscale;
3056 video_enc->intra_matrix = intra_matrix;
3058 video_enc->inter_matrix = inter_matrix;
3060 video_enc->thread_count = thread_count;
3061 p= video_rc_override_string;
3064 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3066 fprintf(stderr, "error parsing rc_override\n");
3069 video_enc->rc_override=
3070 av_realloc(video_enc->rc_override,
3071 sizeof(RcOverride)*(i+1));
3072 video_enc->rc_override[i].start_frame= start;
3073 video_enc->rc_override[i].end_frame = end;
3075 video_enc->rc_override[i].qscale= q;
3076 video_enc->rc_override[i].quality_factor= 1.0;
3079 video_enc->rc_override[i].qscale= 0;
3080 video_enc->rc_override[i].quality_factor= -q/100.0;
3085 video_enc->rc_override_count=i;
3086 if (!video_enc->rc_initial_buffer_occupancy)
3087 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3088 video_enc->me_threshold= me_threshold;
3089 video_enc->intra_dc_precision= intra_dc_precision - 8;
3092 video_enc->flags|= CODEC_FLAG_PSNR;
3097 video_enc->flags |= CODEC_FLAG_PASS1;
3099 video_enc->flags |= CODEC_FLAG_PASS2;
3105 /* reset some key parameters */
3107 av_freep(&video_codec_name);
3108 video_stream_copy = 0;
3111 static void new_audio_stream(AVFormatContext *oc)
3114 AVCodecContext *audio_enc;
3117 st = av_new_stream(oc, oc->nb_streams);
3119 fprintf(stderr, "Could not alloc stream\n");
3122 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3124 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3125 audio_bitstream_filters= NULL;
3128 avcodec_thread_init(st->codec, thread_count);
3130 audio_enc = st->codec;
3131 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3134 audio_enc->codec_tag= audio_codec_tag;
3136 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3137 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3138 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3140 if (audio_stream_copy) {
3141 st->stream_copy = 1;
3142 audio_enc->channels = audio_channels;
3146 set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3148 if (audio_codec_name) {
3149 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3150 codec = avcodec_find_encoder_by_name(audio_codec_name);
3151 output_codecs[nb_ocodecs] = codec;
3153 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3154 codec = avcodec_find_encoder(codec_id);
3156 audio_enc->codec_id = codec_id;
3158 if (audio_qscale > QSCALE_NONE) {
3159 audio_enc->flags |= CODEC_FLAG_QSCALE;
3160 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3162 audio_enc->thread_count = thread_count;
3163 audio_enc->channels = audio_channels;
3164 audio_enc->sample_fmt = audio_sample_fmt;
3165 audio_enc->channel_layout = channel_layout;
3167 if(codec && codec->sample_fmts){
3168 const enum SampleFormat *p= codec->sample_fmts;
3170 if(*p == audio_enc->sample_fmt)
3174 audio_enc->sample_fmt = codec->sample_fmts[0];
3178 audio_enc->sample_rate = audio_sample_rate;
3179 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3180 if (audio_language) {
3181 av_strlcpy(st->language, audio_language, sizeof(st->language));
3182 av_free(audio_language);
3183 audio_language = NULL;
3186 /* reset some key parameters */
3188 av_freep(&audio_codec_name);
3189 audio_stream_copy = 0;
3192 static void new_subtitle_stream(AVFormatContext *oc)
3195 AVCodecContext *subtitle_enc;
3197 st = av_new_stream(oc, oc->nb_streams);
3199 fprintf(stderr, "Could not alloc stream\n");
3202 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3204 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3205 subtitle_bitstream_filters= NULL;
3207 subtitle_enc = st->codec;
3208 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3209 if (subtitle_stream_copy) {
3210 st->stream_copy = 1;
3212 set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3213 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3214 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3218 if (subtitle_language) {
3219 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3220 av_free(subtitle_language);
3221 subtitle_language = NULL;
3224 subtitle_disable = 0;
3225 av_freep(&subtitle_codec_name);
3226 subtitle_stream_copy = 0;
3229 static void opt_new_audio_stream(void)
3231 AVFormatContext *oc;
3232 if (nb_output_files <= 0) {
3233 fprintf(stderr, "At least one output file must be specified\n");
3236 oc = output_files[nb_output_files - 1];
3237 new_audio_stream(oc);
3240 static void opt_new_video_stream(void)
3242 AVFormatContext *oc;
3243 if (nb_output_files <= 0) {
3244 fprintf(stderr, "At least one output file must be specified\n");
3247 oc = output_files[nb_output_files - 1];
3248 new_video_stream(oc);
3251 static void opt_new_subtitle_stream(void)
3253 AVFormatContext *oc;
3254 if (nb_output_files <= 0) {
3255 fprintf(stderr, "At least one output file must be specified\n");
3258 oc = output_files[nb_output_files - 1];
3259 new_subtitle_stream(oc);
3262 static void opt_output_file(const char *filename)
3264 AVFormatContext *oc;
3265 int use_video, use_audio, use_subtitle;
3266 int input_has_video, input_has_audio, input_has_subtitle;
3267 AVFormatParameters params, *ap = ¶ms;
3269 if (!strcmp(filename, "-"))
3272 oc = avformat_alloc_context();
3274 if (!file_oformat) {
3275 file_oformat = guess_format(NULL, filename, NULL);
3276 if (!file_oformat) {
3277 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3283 oc->oformat = file_oformat;
3284 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3286 if (!strcmp(file_oformat->name, "ffm") &&
3287 av_strstart(filename, "http:", NULL)) {
3288 /* special case for files sent to ffserver: we get the stream
3289 parameters from ffserver */
3290 int err = read_ffserver_streams(oc, filename);
3292 print_error(filename, err);
3296 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3297 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3298 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3300 /* disable if no corresponding type found and at least one
3302 if (nb_input_files > 0) {
3303 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3304 &input_has_subtitle);
3305 if (!input_has_video)
3307 if (!input_has_audio)
3309 if (!input_has_subtitle)
3313 /* manual disable */
3314 if (audio_disable) {
3317 if (video_disable) {
3320 if (subtitle_disable) {
3325 new_video_stream(oc);
3329 new_audio_stream(oc);
3333 new_subtitle_stream(oc);
3336 oc->timestamp = rec_timestamp;
3339 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3341 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3343 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3345 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3347 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3349 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3352 output_files[nb_output_files++] = oc;
3354 /* check filename in case of an image number is expected */
3355 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3356 if (!av_filename_number_test(oc->filename)) {
3357 print_error(oc->filename, AVERROR_NUMEXPECTED);
3362 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3363 /* test if it already exists to avoid loosing precious files */
3364 if (!file_overwrite &&
3365 (strchr(filename, ':') == NULL ||
3366 filename[1] == ':' ||
3367 av_strstart(filename, "file:", NULL))) {
3368 if (url_exist(filename)) {
3372 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3375 if (toupper(c) != 'Y') {
3376 fprintf(stderr, "Not overwriting - exiting\n");
3381 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3388 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3389 fprintf(stderr, "Could not open '%s'\n", filename);
3394 memset(ap, 0, sizeof(*ap));
3395 if (av_set_parameters(oc, ap) < 0) {
3396 fprintf(stderr, "%s: Invalid encoding parameters\n",
3401 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3402 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3403 oc->loop_output = loop_output;
3405 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3407 /* reset some options */
3408 file_oformat = NULL;
3409 file_iformat = NULL;
3412 /* same option as mencoder */
3413 static void opt_pass(const char *pass_str)
3416 pass = atoi(pass_str);
3417 if (pass != 1 && pass != 2) {
3418 fprintf(stderr, "pass number can be only 1 or 2\n");
3424 static int64_t getutime(void)
3427 struct rusage rusage;
3429 getrusage(RUSAGE_SELF, &rusage);
3430 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3431 #elif HAVE_GETPROCESSTIMES
3433 FILETIME c, e, k, u;
3434 proc = GetCurrentProcess();
3435 GetProcessTimes(proc, &c, &e, &k, &u);
3436 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3438 return av_gettime();
3442 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3445 const char *p = str;
3452 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3459 static void opt_inter_matrix(const char *arg)
3461 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3462 parse_matrix_coeffs(inter_matrix, arg);
3465 static void opt_intra_matrix(const char *arg)
3467 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3468 parse_matrix_coeffs(intra_matrix, arg);
3472 * Trivial log callback.
3473 * Only suitable for show_help and similar since it lacks prefix handling.
3475 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3477 vfprintf(stdout, fmt, vl);
3480 static void show_help(void)
3482 av_log_set_callback(log_callback_help);
3483 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3484 "Hyper fast Audio and Video encoder\n");
3486 show_help_options(options, "Main options:\n",
3487 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3488 show_help_options(options, "\nAdvanced options:\n",
3489 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3491 show_help_options(options, "\nVideo options:\n",
3492 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3494 show_help_options(options, "\nAdvanced Video options:\n",
3495 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3496 OPT_VIDEO | OPT_EXPERT);
3497 show_help_options(options, "\nAudio options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3500 show_help_options(options, "\nAdvanced Audio options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3502 OPT_AUDIO | OPT_EXPERT);
3503 show_help_options(options, "\nSubtitle options:\n",
3504 OPT_SUBTITLE | OPT_GRAB,
3506 show_help_options(options, "\nAudio/Video grab options:\n",
3510 av_opt_show(avctx_opts[0], NULL);
3512 av_opt_show(avformat_opts, NULL);
3514 av_opt_show(sws_opts, NULL);
3517 static void opt_target(const char *arg)
3520 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3522 if(!strncmp(arg, "pal-", 4)) {
3525 } else if(!strncmp(arg, "ntsc-", 5)) {
3528 } else if(!strncmp(arg, "film-", 5)) {
3533 /* Calculate FR via float to avoid int overflow */
3534 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3537 } else if((fr == 29970) || (fr == 23976)) {
3540 /* Try to determine PAL/NTSC by peeking in the input files */
3541 if(nb_input_files) {
3543 for(j = 0; j < nb_input_files; j++) {
3544 for(i = 0; i < input_files[j]->nb_streams; i++) {
3545 AVCodecContext *c = input_files[j]->streams[i]->codec;
3546 if(c->codec_type != CODEC_TYPE_VIDEO)
3548 fr = c->time_base.den * 1000 / c->time_base.num;
3552 } else if((fr == 29970) || (fr == 23976)) {
3562 if(verbose && norm >= 0)
3563 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3567 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3568 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3569 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3573 if(!strcmp(arg, "vcd")) {
3575 opt_video_codec("mpeg1video");
3576 opt_audio_codec("mp2");
3579 opt_frame_size(norm ? "352x240" : "352x288");
3580 opt_frame_rate(NULL, frame_rates[norm]);
3581 opt_default("gop", norm ? "18" : "15");
3583 opt_default("b", "1150000");
3584 opt_default("maxrate", "1150000");
3585 opt_default("minrate", "1150000");
3586 opt_default("bufsize", "327680"); // 40*1024*8;
3588 opt_default("ab", "224000");
3589 audio_sample_rate = 44100;
3592 opt_default("packetsize", "2324");
3593 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3595 /* We have to offset the PTS, so that it is consistent with the SCR.
3596 SCR starts at 36000, but the first two packs contain only padding
3597 and the first pack from the other stream, respectively, may also have
3598 been written before.
3599 So the real data starts at SCR 36000+3*1200. */
3600 mux_preload= (36000+3*1200) / 90000.0; //0.44
3601 } else if(!strcmp(arg, "svcd")) {
3603 opt_video_codec("mpeg2video");
3604 opt_audio_codec("mp2");
3607 opt_frame_size(norm ? "480x480" : "480x576");
3608 opt_frame_rate(NULL, frame_rates[norm]);
3609 opt_default("gop", norm ? "18" : "15");
3611 opt_default("b", "2040000");
3612 opt_default("maxrate", "2516000");
3613 opt_default("minrate", "0"); //1145000;
3614 opt_default("bufsize", "1835008"); //224*1024*8;
3615 opt_default("flags", "+scan_offset");
3618 opt_default("ab", "224000");
3619 audio_sample_rate = 44100;
3621 opt_default("packetsize", "2324");
3623 } else if(!strcmp(arg, "dvd")) {
3625 opt_video_codec("mpeg2video");
3626 opt_audio_codec("ac3");
3629 opt_frame_size(norm ? "720x480" : "720x576");
3630 opt_frame_rate(NULL, frame_rates[norm]);
3631 opt_default("gop", norm ? "18" : "15");
3633 opt_default("b", "6000000");
3634 opt_default("maxrate", "9000000");
3635 opt_default("minrate", "0"); //1500000;
3636 opt_default("bufsize", "1835008"); //224*1024*8;
3638 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3639 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3641 opt_default("ab", "448000");
3642 audio_sample_rate = 48000;
3644 } else if(!strncmp(arg, "dv", 2)) {
3648 opt_frame_size(norm ? "720x480" : "720x576");
3649 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3650 (norm ? "yuv411p" : "yuv420p"));
3651 opt_frame_rate(NULL, frame_rates[norm]);
3653 audio_sample_rate = 48000;
3657 fprintf(stderr, "Unknown target: %s\n", arg);
3662 static void opt_vstats_file (const char *arg)
3664 av_free (vstats_filename);
3665 vstats_filename=av_strdup (arg);
3668 static void opt_vstats (void)
3671 time_t today2 = time(NULL);
3672 struct tm *today = localtime(&today2);
3674 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3676 opt_vstats_file(filename);
3679 static int opt_bsf(const char *opt, const char *arg)
3681 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3682 AVBitStreamFilterContext **bsfp;
3685 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3689 bsfp= *opt == 'v' ? &video_bitstream_filters :
3690 *opt == 'a' ? &audio_bitstream_filters :
3691 &subtitle_bitstream_filters;
3693 bsfp= &(*bsfp)->next;
3700 static int opt_preset(const char *opt, const char *arg)
3703 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3705 const char *base[2]= { getenv("HOME"),
3709 for(i=!base[0]; i<2 && !f; i++){
3710 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3711 f= fopen(filename, "r");
3713 char *codec_name= *opt == 'v' ? video_codec_name :
3714 *opt == 'a' ? audio_codec_name :
3715 subtitle_codec_name;
3716 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3717 f= fopen(filename, "r");
3720 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3722 av_strlcpy(filename, arg, sizeof(filename));
3723 f= fopen(filename, "r");
3727 fprintf(stderr, "File for preset '%s' not found\n", arg);
3732 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3733 if(line[0] == '#' && !e)
3735 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3737 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3740 if(!strcmp(tmp, "acodec")){
3741 opt_audio_codec(tmp2);
3742 }else if(!strcmp(tmp, "vcodec")){
3743 opt_video_codec(tmp2);
3744 }else if(!strcmp(tmp, "scodec")){
3745 opt_subtitle_codec(tmp2);
3746 }else if(opt_default(tmp, tmp2) < 0){
3747 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3757 static const OptionDef options[] = {
3759 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3760 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3761 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3762 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3763 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3764 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3765 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3766 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3767 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3768 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3769 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3770 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3771 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3772 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3773 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3774 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3775 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3776 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3777 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3778 { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
3779 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3780 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3781 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3782 "add timings for benchmarking" },
3783 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3784 "dump each input packet" },
3785 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3786 "when dumping packets, also dump the payload" },
3787 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3788 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3789 { "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)", "" },
3790 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set the logging verbosity level", "number" },
3791 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3792 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3793 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3794 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3795 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3796 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3797 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3798 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3799 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3800 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3801 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3802 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3805 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3806 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3807 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3808 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3809 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3810 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3811 { "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" },
3812 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3813 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3814 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3815 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3816 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3817 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3818 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3819 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3820 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3821 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3822 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3823 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3824 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3825 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3826 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3827 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3828 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3829 "use same video quality as source (implies VBR)" },
3830 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3831 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3832 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3833 "deinterlace pictures" },
3834 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3835 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3836 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3838 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3840 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3841 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3842 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3843 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3844 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3845 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3846 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3847 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3850 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3851 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3852 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3853 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3854 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3855 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3856 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3857 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3858 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3859 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3860 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3861 { "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" },
3863 /* subtitle options */
3864 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3865 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3866 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3867 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3870 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3871 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3872 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3875 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3876 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3878 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3879 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3880 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3882 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3883 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3884 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3886 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3890 int main(int argc, char **argv)
3895 avcodec_register_all();
3896 avdevice_register_all();
3899 if(isatty(STDIN_FILENO))
3900 url_set_interrupt_cb(decode_interrupt_cb);
3902 for(i=0; i<CODEC_TYPE_NB; i++){
3903 avctx_opts[i]= avcodec_alloc_context2(i);
3905 avformat_opts = avformat_alloc_context();
3906 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3911 parse_options(argc, argv, options, opt_output_file);
3913 /* file converter / grab */
3914 if (nb_output_files <= 0) {
3915 fprintf(stderr, "At least one output file must be specified\n");
3919 if (nb_input_files == 0) {
3920 fprintf(stderr, "At least one input file must be specified\n");
3925 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3926 stream_maps, nb_stream_maps) < 0)
3928 ti = getutime() - ti;
3930 printf("bench: utime=%0.3fs\n", ti / 1000000.0);