3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
43 #if HAVE_SYS_RESOURCE_H
44 #include <sys/types.h>
45 #include <sys/resource.h>
46 #elif HAVE_GETPROCESSTIMES
51 #include <sys/select.h>
56 #include <sys/ioctl.h>
62 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
72 const char program_name
[] = "FFmpeg";
73 const int program_birth_year
= 2000;
75 /* select an input stream for an output stream */
76 typedef struct AVStreamMap
{
80 int sync_stream_index
;
83 /** select an input file for an output file */
84 typedef struct AVMetaDataMap
{
89 static const OptionDef options
[];
93 static AVFormatContext
*input_files
[MAX_FILES
];
94 static int64_t input_files_ts_offset
[MAX_FILES
];
95 static double input_files_ts_scale
[MAX_FILES
][MAX_STREAMS
];
96 static AVCodec
*input_codecs
[MAX_FILES
*MAX_STREAMS
];
97 static int nb_input_files
= 0;
98 static int nb_icodecs
;
100 static AVFormatContext
*output_files
[MAX_FILES
];
101 static AVCodec
*output_codecs
[MAX_FILES
*MAX_STREAMS
];
102 static int nb_output_files
= 0;
103 static int nb_ocodecs
;
105 static AVStreamMap stream_maps
[MAX_FILES
*MAX_STREAMS
];
106 static int nb_stream_maps
;
108 static AVMetaDataMap meta_data_maps
[MAX_FILES
];
109 static int nb_meta_data_maps
;
111 static AVInputFormat
*file_iformat
;
112 static AVOutputFormat
*file_oformat
;
113 static int frame_width
= 0;
114 static int frame_height
= 0;
115 static float frame_aspect_ratio
= 0;
116 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
117 static enum SampleFormat audio_sample_fmt
= SAMPLE_FMT_NONE
;
118 static int frame_padtop
= 0;
119 static int frame_padbottom
= 0;
120 static int frame_padleft
= 0;
121 static int frame_padright
= 0;
122 static int padcolor
[3] = {16,128,128}; /* default to black */
123 static int frame_topBand
= 0;
124 static int frame_bottomBand
= 0;
125 static int frame_leftBand
= 0;
126 static int frame_rightBand
= 0;
127 static int max_frames
[4] = {INT_MAX
, INT_MAX
, INT_MAX
, INT_MAX
};
128 static AVRational frame_rate
;
129 static float video_qscale
= 0;
130 static uint16_t *intra_matrix
= NULL
;
131 static uint16_t *inter_matrix
= NULL
;
132 #if 0 //experimental, (can be removed)
133 static float video_rc_qsquish
=1.0;
134 static float video_rc_qmod_amp
=0;
135 static int video_rc_qmod_freq
=0;
137 static const char *video_rc_override_string
=NULL
;
138 static int video_disable
= 0;
139 static int video_discard
= 0;
140 static char *video_codec_name
= NULL
;
141 static int video_codec_tag
= 0;
142 static int same_quality
= 0;
143 static int do_deinterlace
= 0;
144 static int top_field_first
= -1;
145 static int me_threshold
= 0;
146 static int intra_dc_precision
= 8;
147 static int loop_input
= 0;
148 static int loop_output
= AVFMT_NOOUTPUTLOOP
;
149 static int qp_hist
= 0;
151 static int intra_only
= 0;
152 static int audio_sample_rate
= 44100;
153 static int64_t channel_layout
= 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale
= QSCALE_NONE
;
156 static int audio_disable
= 0;
157 static int audio_channels
= 1;
158 static char *audio_codec_name
= NULL
;
159 static int audio_codec_tag
= 0;
160 static char *audio_language
= NULL
;
162 static int subtitle_disable
= 0;
163 static char *subtitle_codec_name
= NULL
;
164 static char *subtitle_language
= NULL
;
165 static int subtitle_codec_tag
= 0;
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 int metadata_count
;
176 static AVMetadataTag
*metadata
;
177 static int do_benchmark
= 0;
178 static int do_hex_dump
= 0;
179 static int do_pkt_dump
= 0;
180 static int do_psnr
= 0;
181 static int do_pass
= 0;
182 static char *pass_logfilename_prefix
= NULL
;
183 static int audio_stream_copy
= 0;
184 static int video_stream_copy
= 0;
185 static int subtitle_stream_copy
= 0;
186 static int video_sync_method
= -1;
187 static int audio_sync_method
= 0;
188 static float audio_drift_threshold
= 0.1;
189 static int copy_ts
= 0;
190 static int opt_shortest
= 0;
191 static int video_global_header
= 0;
192 static char *vstats_filename
;
193 static FILE *vstats_file
;
194 static int opt_programid
= 0;
195 static int copy_initial_nonkeyframes
= 0;
197 static int rate_emu
= 0;
199 static int video_channel
= 0;
200 static char *video_standard
;
202 static int audio_volume
= 256;
204 static int exit_on_error
= 0;
205 static int using_stdin
= 0;
206 static int verbose
= 1;
207 static int thread_count
= 1;
208 static int q_pressed
= 0;
209 static int64_t video_size
= 0;
210 static int64_t audio_size
= 0;
211 static int64_t extra_size
= 0;
212 static int nb_frames_dup
= 0;
213 static int nb_frames_drop
= 0;
214 static int input_sync
;
215 static uint64_t limit_filesize
= 0;
216 static int force_fps
= 0;
218 static int pgmyuv_compatibility_hack
=0;
219 static float dts_delta_threshold
= 10;
221 static unsigned int sws_flags
= SWS_BICUBIC
;
223 static int64_t timer_start
;
225 static uint8_t *audio_buf
;
226 static uint8_t *audio_out
;
227 static uint8_t *audio_out2
;
229 static short *samples
;
231 static AVBitStreamFilterContext
*video_bitstream_filters
=NULL
;
232 static AVBitStreamFilterContext
*audio_bitstream_filters
=NULL
;
233 static AVBitStreamFilterContext
*subtitle_bitstream_filters
=NULL
;
234 static AVBitStreamFilterContext
*bitstream_filters
[MAX_FILES
][MAX_STREAMS
];
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238 struct AVInputStream
;
240 typedef struct AVOutputStream
{
241 int file_index
; /* file index */
242 int index
; /* stream index in the output file */
243 int source_index
; /* AVInputStream index */
244 AVStream
*st
; /* stream in the output file */
245 int encoding_needed
; /* true if encoding needed for this stream */
247 /* input pts and corresponding output pts
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream
*sync_ist
; /* input stream to sync against */
251 int64_t sync_opts
; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
254 AVFrame pict_tmp
; /* temporary image for resampling */
255 struct SwsContext
*img_resample_ctx
; /* for image resampling */
259 int topBand
; /* cropping area sizes */
263 int padtop
; /* padding area sizes */
270 ReSampleContext
*resample
; /* for audio resampling */
272 AVAudioConvert
*reformat_ctx
;
273 AVFifoBuffer
*fifo
; /* for compression: one audio fifo per codec */
277 typedef struct AVInputStream
{
281 int discard
; /* true if stream data should be discarded */
282 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
283 int64_t sample_index
; /* current sample */
285 int64_t start
; /* time when read started */
286 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
288 int64_t pts
; /* current pts */
289 int is_start
; /* is 1 at the start and after a discontinuity */
292 typedef struct AVInputFile
{
293 int eof_reached
; /* true if eof reached */
294 int ist_index
; /* index of first stream in ist_table */
295 int buffer_size
; /* current total buffer size */
296 int nb_streams
; /* nb streams we are aware of */
301 /* init terminal so that we can grab keys */
302 static struct termios oldtty
;
305 static void term_exit(void)
308 tcsetattr (0, TCSANOW
, &oldtty
);
312 static volatile sig_atomic_t received_sigterm
= 0;
315 sigterm_handler(int sig
)
317 received_sigterm
= sig
;
321 static void term_init(void)
329 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
330 |INLCR
|IGNCR
|ICRNL
|IXON
);
331 tty
.c_oflag
|= OPOST
;
332 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
333 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
338 tcsetattr (0, TCSANOW
, &tty
);
339 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
342 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
343 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
345 register a function to be called at normal program termination
348 #if CONFIG_BEOS_NETSERVER
349 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
353 /* read a key without blocking */
354 static int read_key(void)
359 #if !CONFIG_BEOS_NETSERVER
367 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
383 static int decode_interrupt_cb(void)
385 return q_pressed
|| (q_pressed
= read_key() == 'q');
388 static int av_exit(int ret
)
393 for(i
=0;i
<nb_output_files
;i
++) {
394 /* maybe av_close_output_file ??? */
395 AVFormatContext
*s
= output_files
[i
];
397 if (!(s
->oformat
->flags
& AVFMT_NOFILE
) && s
->pb
)
399 for(j
=0;j
<s
->nb_streams
;j
++) {
400 av_metadata_free(&s
->streams
[j
]->metadata
);
401 av_free(s
->streams
[j
]->codec
);
402 av_free(s
->streams
[j
]);
404 for(j
=0;j
<s
->nb_programs
;j
++) {
405 av_metadata_free(&s
->programs
[j
]->metadata
);
407 for(j
=0;j
<s
->nb_chapters
;j
++) {
408 av_metadata_free(&s
->chapters
[j
]->metadata
);
410 av_metadata_free(&s
->metadata
);
413 for(i
=0;i
<nb_input_files
;i
++)
414 av_close_input_file(input_files
[i
]);
416 av_free(intra_matrix
);
417 av_free(inter_matrix
);
421 av_free(vstats_filename
);
425 av_free(video_codec_name
);
426 av_free(audio_codec_name
);
427 av_free(subtitle_codec_name
);
429 av_free(video_standard
);
431 #if CONFIG_POWERPC_PERF
432 void powerpc_display_perf_report(void);
433 powerpc_display_perf_report();
434 #endif /* CONFIG_POWERPC_PERF */
436 for (i
=0;i
<CODEC_TYPE_NB
;i
++)
437 av_free(avcodec_opts
[i
]);
438 av_free(avformat_opts
);
445 if (received_sigterm
) {
447 "Received signal %d: terminating.\n",
448 (int) received_sigterm
);
452 exit(ret
); /* not all OS-es handle main() return value */
456 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
462 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
465 /* copy stream format */
466 s
->nb_streams
= ic
->nb_streams
;
467 for(i
=0;i
<ic
->nb_streams
;i
++) {
470 // FIXME: a more elegant solution is needed
471 st
= av_mallocz(sizeof(AVStream
));
472 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
473 st
->codec
= avcodec_alloc_context();
474 memcpy(st
->codec
, ic
->streams
[i
]->codec
, sizeof(AVCodecContext
));
477 if (st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& audio_stream_copy
)
479 else if (st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& video_stream_copy
)
482 if(!st
->codec
->thread_count
)
483 st
->codec
->thread_count
= 1;
484 if(st
->codec
->thread_count
>1)
485 avcodec_thread_init(st
->codec
, st
->codec
->thread_count
);
487 if(st
->codec
->flags
& CODEC_FLAG_BITEXACT
)
492 s
->timestamp
= av_gettime();
494 av_close_input_file(ic
);
499 get_sync_ipts(const AVOutputStream
*ost
)
501 const AVInputStream
*ist
= ost
->sync_ist
;
502 return (double)(ist
->pts
- start_time
)/AV_TIME_BASE
;
505 static void write_frame(AVFormatContext
*s
, AVPacket
*pkt
, AVCodecContext
*avctx
, AVBitStreamFilterContext
*bsfc
){
509 AVPacket new_pkt
= *pkt
;
510 int a
= av_bitstream_filter_filter(bsfc
, avctx
, NULL
,
511 &new_pkt
.data
, &new_pkt
.size
,
512 pkt
->data
, pkt
->size
,
513 pkt
->flags
& PKT_FLAG_KEY
);
516 new_pkt
.destruct
= av_destruct_packet
;
518 fprintf(stderr
, "%s failed for stream %d, codec %s",
519 bsfc
->filter
->name
, pkt
->stream_index
,
520 avctx
->codec
? avctx
->codec
->name
: "copy");
530 ret
= av_interleaved_write_frame(s
, pkt
);
532 print_error("av_interleaved_write_frame()", ret
);
537 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
539 static void do_audio_out(AVFormatContext
*s
,
542 unsigned char *buf
, int size
)
545 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
547 int size_out
, frame_bytes
, ret
;
548 AVCodecContext
*enc
= ost
->st
->codec
;
549 AVCodecContext
*dec
= ist
->st
->codec
;
550 int osize
= av_get_bits_per_sample_format(enc
->sample_fmt
)/8;
551 int isize
= av_get_bits_per_sample_format(dec
->sample_fmt
)/8;
553 /* SC: dynamic allocation of buffers */
555 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
557 audio_out
= av_malloc(audio_out_size
);
558 if (!audio_buf
|| !audio_out
)
559 return; /* Should signal an error ! */
561 if (enc
->channels
!= dec
->channels
)
562 ost
->audio_resample
= 1;
564 if (ost
->audio_resample
&& !ost
->resample
) {
565 if (dec
->sample_fmt
!= SAMPLE_FMT_S16
)
566 fprintf(stderr
, "Warning, using s16 intermediate sample format for resampling\n");
567 ost
->resample
= av_audio_resample_init(enc
->channels
, dec
->channels
,
568 enc
->sample_rate
, dec
->sample_rate
,
569 enc
->sample_fmt
, dec
->sample_fmt
,
571 if (!ost
->resample
) {
572 fprintf(stderr
, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
573 dec
->channels
, dec
->sample_rate
,
574 enc
->channels
, enc
->sample_rate
);
579 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
580 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
&&
581 MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
)!=ost
->reformat_pair
) {
583 audio_out2
= av_malloc(audio_out_size
);
586 if (ost
->reformat_ctx
)
587 av_audio_convert_free(ost
->reformat_ctx
);
588 ost
->reformat_ctx
= av_audio_convert_alloc(enc
->sample_fmt
, 1,
589 dec
->sample_fmt
, 1, NULL
, 0);
590 if (!ost
->reformat_ctx
) {
591 fprintf(stderr
, "Cannot convert %s sample format to %s sample format\n",
592 avcodec_get_sample_fmt_name(dec
->sample_fmt
),
593 avcodec_get_sample_fmt_name(enc
->sample_fmt
));
596 ost
->reformat_pair
=MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
);
599 if(audio_sync_method
){
600 double delta
= get_sync_ipts(ost
) * enc
->sample_rate
- ost
->sync_opts
601 - av_fifo_size(ost
->fifo
)/(ost
->st
->codec
->channels
* 2);
602 double idelta
= delta
*ist
->st
->codec
->sample_rate
/ enc
->sample_rate
;
603 int byte_delta
= ((int)idelta
)*2*ist
->st
->codec
->channels
;
605 //FIXME resample delay
606 if(fabs(delta
) > 50){
607 if(ist
->is_start
|| fabs(delta
) > audio_drift_threshold
*enc
->sample_rate
){
609 byte_delta
= FFMAX(byte_delta
, -size
);
613 fprintf(stderr
, "discarding %d audio samples\n", (int)-delta
);
618 static uint8_t *input_tmp
= NULL
;
619 input_tmp
= av_realloc(input_tmp
, byte_delta
+ size
);
621 if(byte_delta
+ size
<= MAX_AUDIO_PACKET_SIZE
)
624 byte_delta
= MAX_AUDIO_PACKET_SIZE
- size
;
626 memset(input_tmp
, 0, byte_delta
);
627 memcpy(input_tmp
+ byte_delta
, buf
, size
);
631 fprintf(stderr
, "adding %d audio samples of silence\n", (int)delta
);
633 }else if(audio_sync_method
>1){
634 int comp
= av_clip(delta
, -audio_sync_method
, audio_sync_method
);
635 assert(ost
->audio_resample
);
637 fprintf(stderr
, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta
, comp
, enc
->sample_rate
);
638 // 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));
639 av_resample_compensate(*(struct AVResampleContext
**)ost
->resample
, comp
, enc
->sample_rate
);
643 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) * enc
->sample_rate
)
644 - av_fifo_size(ost
->fifo
)/(ost
->st
->codec
->channels
* 2); //FIXME wrong
646 if (ost
->audio_resample
) {
648 size_out
= audio_resample(ost
->resample
,
649 (short *)buftmp
, (short *)buf
,
650 size
/ (ist
->st
->codec
->channels
* isize
));
651 size_out
= size_out
* enc
->channels
* osize
;
657 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
) {
658 const void *ibuf
[6]= {buftmp
};
659 void *obuf
[6]= {audio_out2
};
660 int istride
[6]= {isize
};
661 int ostride
[6]= {osize
};
662 int len
= size_out
/istride
[0];
663 if (av_audio_convert(ost
->reformat_ctx
, obuf
, ostride
, ibuf
, istride
, len
)<0) {
664 printf("av_audio_convert() failed\n");
670 size_out
= len
*osize
;
673 /* now encode as many frames as possible */
674 if (enc
->frame_size
> 1) {
675 /* output resampled raw samples */
676 if (av_fifo_realloc2(ost
->fifo
, av_fifo_size(ost
->fifo
) + size_out
) < 0) {
677 fprintf(stderr
, "av_fifo_realloc2() failed\n");
680 av_fifo_generic_write(ost
->fifo
, buftmp
, size_out
, NULL
);
682 frame_bytes
= enc
->frame_size
* osize
* enc
->channels
;
684 while (av_fifo_size(ost
->fifo
) >= frame_bytes
) {
686 av_init_packet(&pkt
);
688 av_fifo_generic_read(ost
->fifo
, audio_buf
, frame_bytes
, NULL
);
690 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
692 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
695 fprintf(stderr
, "Audio encoding failed\n");
699 pkt
.stream_index
= ost
->index
;
702 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
703 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
704 pkt
.flags
|= PKT_FLAG_KEY
;
705 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
707 ost
->sync_opts
+= enc
->frame_size
;
711 int coded_bps
= av_get_bits_per_sample(enc
->codec
->id
)/8;
712 av_init_packet(&pkt
);
714 ost
->sync_opts
+= size_out
/ (osize
* enc
->channels
);
716 /* output a pcm frame */
717 /* determine the size of the coded buffer */
720 size_out
*= coded_bps
;
722 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
723 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
726 fprintf(stderr
, "Audio encoding failed\n");
730 pkt
.stream_index
= ost
->index
;
733 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
734 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
735 pkt
.flags
|= PKT_FLAG_KEY
;
736 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
740 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
744 AVPicture picture_tmp
;
747 dec
= ist
->st
->codec
;
749 /* deinterlace : must be done before any resize */
750 if (do_deinterlace
) {
753 /* create temporary picture */
754 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
755 buf
= av_malloc(size
);
759 picture2
= &picture_tmp
;
760 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
763 if(avpicture_deinterlace(picture2
, picture
,
764 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
765 /* if error, do not deinterlace */
766 fprintf(stderr
, "Deinterlacing failed\n");
772 av_picture_copy(picture2
, picture
, dec
->pix_fmt
, dec
->width
, dec
->height
);
778 if (picture
!= picture2
)
779 *picture
= *picture2
;
783 /* we begin to correct av delay at this threshold */
784 #define AV_DELAY_MAX 0.100
786 static void do_subtitle_out(AVFormatContext
*s
,
792 static uint8_t *subtitle_out
= NULL
;
793 int subtitle_out_max_size
= 65536;
794 int subtitle_out_size
, nb
, i
;
798 if (pts
== AV_NOPTS_VALUE
) {
799 fprintf(stderr
, "Subtitle packets must have a pts\n");
805 enc
= ost
->st
->codec
;
808 subtitle_out
= av_malloc(subtitle_out_max_size
);
811 /* Note: DVB subtitle need one packet to draw them and one other
812 packet to clear them */
813 /* XXX: signal it in the codec context ? */
814 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
)
819 for(i
= 0; i
< nb
; i
++) {
820 subtitle_out_size
= avcodec_encode_subtitle(enc
, subtitle_out
,
821 subtitle_out_max_size
, sub
);
823 av_init_packet(&pkt
);
824 pkt
.stream_index
= ost
->index
;
825 pkt
.data
= subtitle_out
;
826 pkt
.size
= subtitle_out_size
;
827 pkt
.pts
= av_rescale_q(pts
, ist
->st
->time_base
, ost
->st
->time_base
);
828 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
) {
829 /* XXX: the pts correction is handled here. Maybe handling
830 it in the codec would be better */
832 pkt
.pts
+= 90 * sub
->start_display_time
;
834 pkt
.pts
+= 90 * sub
->end_display_time
;
836 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
840 static int bit_buffer_size
= 1024*256;
841 static uint8_t *bit_buffer
= NULL
;
843 static void do_video_out(AVFormatContext
*s
,
849 int nb_frames
, i
, ret
;
850 AVFrame
*final_picture
, *formatted_picture
, *resampling_dst
, *padding_src
;
851 AVFrame picture_crop_temp
, picture_pad_temp
;
852 AVCodecContext
*enc
, *dec
;
854 avcodec_get_frame_defaults(&picture_crop_temp
);
855 avcodec_get_frame_defaults(&picture_pad_temp
);
857 enc
= ost
->st
->codec
;
858 dec
= ist
->st
->codec
;
860 /* by default, we output a single frame */
865 if(video_sync_method
>0 || (video_sync_method
&& av_q2d(enc
->time_base
) > 0.001)){
867 vdelta
= get_sync_ipts(ost
) / av_q2d(enc
->time_base
) - ost
->sync_opts
;
868 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
871 else if (video_sync_method
== 2 || (video_sync_method
<0 && (s
->oformat
->flags
& AVFMT_VARIABLE_FPS
))){
875 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
876 }else if (vdelta
> 1.1)
877 nb_frames
= lrintf(vdelta
);
878 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
882 fprintf(stderr
, "*** drop!\n");
883 }else if (nb_frames
> 1) {
884 nb_frames_dup
+= nb_frames
;
886 fprintf(stderr
, "*** %d dup!\n", nb_frames
-1);
889 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
891 nb_frames
= FFMIN(nb_frames
, max_frames
[CODEC_TYPE_VIDEO
] - ost
->frame_number
);
895 if (ost
->video_crop
) {
896 if (av_picture_crop((AVPicture
*)&picture_crop_temp
, (AVPicture
*)in_picture
, dec
->pix_fmt
, ost
->topBand
, ost
->leftBand
) < 0) {
897 fprintf(stderr
, "error cropping picture\n");
902 formatted_picture
= &picture_crop_temp
;
904 formatted_picture
= in_picture
;
907 final_picture
= formatted_picture
;
908 padding_src
= formatted_picture
;
909 resampling_dst
= &ost
->pict_tmp
;
910 if (ost
->video_pad
) {
911 final_picture
= &ost
->pict_tmp
;
912 if (ost
->video_resample
) {
913 if (av_picture_crop((AVPicture
*)&picture_pad_temp
, (AVPicture
*)final_picture
, enc
->pix_fmt
, ost
->padtop
, ost
->padleft
) < 0) {
914 fprintf(stderr
, "error padding picture\n");
919 resampling_dst
= &picture_pad_temp
;
923 if (ost
->video_resample
) {
925 final_picture
= &ost
->pict_tmp
;
926 sws_scale(ost
->img_resample_ctx
, formatted_picture
->data
, formatted_picture
->linesize
,
927 0, ost
->resample_height
, resampling_dst
->data
, resampling_dst
->linesize
);
930 if (ost
->video_pad
) {
931 av_picture_pad((AVPicture
*)final_picture
, (AVPicture
*)padding_src
,
932 enc
->height
, enc
->width
, enc
->pix_fmt
,
933 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
, padcolor
);
936 /* duplicates frame if needed */
937 for(i
=0;i
<nb_frames
;i
++) {
939 av_init_packet(&pkt
);
940 pkt
.stream_index
= ost
->index
;
942 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
943 /* raw pictures are written as AVPicture structure to
944 avoid any copies. We support temorarily the older
946 AVFrame
* old_frame
= enc
->coded_frame
;
947 enc
->coded_frame
= dec
->coded_frame
; //FIXME/XXX remove this hack
948 pkt
.data
= (uint8_t *)final_picture
;
949 pkt
.size
= sizeof(AVPicture
);
950 pkt
.pts
= av_rescale_q(ost
->sync_opts
, enc
->time_base
, ost
->st
->time_base
);
951 pkt
.flags
|= PKT_FLAG_KEY
;
953 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
954 enc
->coded_frame
= old_frame
;
958 big_picture
= *final_picture
;
959 /* better than nothing: use input picture interlaced
961 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
962 if(avcodec_opts
[CODEC_TYPE_VIDEO
]->flags
& (CODEC_FLAG_INTERLACED_DCT
|CODEC_FLAG_INTERLACED_ME
)){
963 if(top_field_first
== -1)
964 big_picture
.top_field_first
= in_picture
->top_field_first
;
966 big_picture
.top_field_first
= top_field_first
;
969 /* handles sameq here. This is not correct because it may
970 not be a global option */
972 big_picture
.quality
= ist
->st
->quality
;
974 big_picture
.quality
= ost
->st
->quality
;
976 big_picture
.pict_type
= 0;
977 // big_picture.pts = AV_NOPTS_VALUE;
978 big_picture
.pts
= ost
->sync_opts
;
979 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
980 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
981 ret
= avcodec_encode_video(enc
,
982 bit_buffer
, bit_buffer_size
,
985 fprintf(stderr
, "Video encoding failed\n");
988 //enc->frame_number = enc->real_pict_num;
990 pkt
.data
= bit_buffer
;
992 if(enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
993 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
994 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
995 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
996 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
998 if(enc
->coded_frame
->key_frame
)
999 pkt
.flags
|= PKT_FLAG_KEY
;
1000 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1003 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1004 // enc->frame_number-1, enc->real_pict_num, ret,
1006 /* if two pass, output log */
1007 if (ost
->logfile
&& enc
->stats_out
) {
1008 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1013 ost
->frame_number
++;
1017 static double psnr(double d
){
1018 return -10.0*log(d
)/log(10.0);
1021 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
1024 AVCodecContext
*enc
;
1026 double ti1
, bitrate
, avg_bitrate
;
1028 /* this is executed just the first time do_video_stats is called */
1030 vstats_file
= fopen(vstats_filename
, "w");
1037 enc
= ost
->st
->codec
;
1038 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1039 frame_number
= ost
->frame_number
;
1040 fprintf(vstats_file
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1041 if (enc
->flags
&CODEC_FLAG_PSNR
)
1042 fprintf(vstats_file
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
1044 fprintf(vstats_file
,"f_size= %6d ", frame_size
);
1045 /* compute pts value */
1046 ti1
= ost
->sync_opts
* av_q2d(enc
->time_base
);
1050 bitrate
= (frame_size
* 8) / av_q2d(enc
->time_base
) / 1000.0;
1051 avg_bitrate
= (double)(video_size
* 8) / ti1
/ 1000.0;
1052 fprintf(vstats_file
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1053 (double)video_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
1054 fprintf(vstats_file
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
1058 static void print_report(AVFormatContext
**output_files
,
1059 AVOutputStream
**ost_table
, int nb_ostreams
,
1063 AVOutputStream
*ost
;
1064 AVFormatContext
*oc
;
1066 AVCodecContext
*enc
;
1067 int frame_number
, vid
, i
;
1068 double bitrate
, ti1
, pts
;
1069 static int64_t last_time
= -1;
1070 static int qp_histogram
[52];
1072 if (!is_last_report
) {
1074 /* display the report every 0.5 seconds */
1075 cur_time
= av_gettime();
1076 if (last_time
== -1) {
1077 last_time
= cur_time
;
1080 if ((cur_time
- last_time
) < 500000)
1082 last_time
= cur_time
;
1086 oc
= output_files
[0];
1088 total_size
= url_fsize(oc
->pb
);
1089 if(total_size
<0) // FIXME improve url_fsize() so it works with non seekable output too
1090 total_size
= url_ftell(oc
->pb
);
1095 for(i
=0;i
<nb_ostreams
;i
++) {
1097 enc
= ost
->st
->codec
;
1098 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1099 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "q=%2.1f ",
1100 !ost
->st
->stream_copy
?
1101 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1103 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1104 float t
= (av_gettime()-timer_start
) / 1000000.0;
1106 frame_number
= ost
->frame_number
;
1107 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "frame=%5d fps=%3d q=%3.1f ",
1108 frame_number
, (t
>1)?(int)(frame_number
/t
+0.5) : 0,
1109 !ost
->st
->stream_copy
?
1110 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1112 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "L");
1115 int qp
= lrintf(enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1116 if(qp
>=0 && qp
<FF_ARRAY_ELEMS(qp_histogram
))
1119 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%X", (int)lrintf(log(qp_histogram
[j
]+1)/log(2)));
1121 if (enc
->flags
&CODEC_FLAG_PSNR
){
1123 double error
, error_sum
=0;
1124 double scale
, scale_sum
=0;
1125 char type
[3]= {'Y','U','V'};
1126 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "PSNR=");
1129 error
= enc
->error
[j
];
1130 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
1132 error
= enc
->coded_frame
->error
[j
];
1133 scale
= enc
->width
*enc
->height
*255.0*255.0;
1138 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
1140 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
1144 /* compute min output value */
1145 pts
= (double)ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
1146 if ((pts
< ti1
) && (pts
> 0))
1152 if (verbose
|| is_last_report
) {
1153 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
1155 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
),
1156 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1157 (double)total_size
/ 1024, ti1
, bitrate
);
1160 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), " dup=%d drop=%d",
1161 nb_frames_dup
, nb_frames_drop
);
1164 fprintf(stderr
, "%s \r", buf
);
1169 if (is_last_report
&& verbose
>= 0){
1170 int64_t raw
= audio_size
+ video_size
+ extra_size
;
1171 fprintf(stderr
, "\n");
1172 fprintf(stderr
, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1176 100.0*(total_size
- raw
)/raw
1181 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1182 static int output_packet(AVInputStream
*ist
, int ist_index
,
1183 AVOutputStream
**ost_table
, int nb_ostreams
,
1184 const AVPacket
*pkt
)
1186 AVFormatContext
*os
;
1187 AVOutputStream
*ost
;
1190 int data_size
, got_picture
;
1192 void *buffer_to_free
;
1193 static unsigned int samples_size
= 0;
1194 AVSubtitle subtitle
, *subtitle_to_free
;
1198 if(ist
->next_pts
== AV_NOPTS_VALUE
)
1199 ist
->next_pts
= ist
->pts
;
1203 av_init_packet(&avpkt
);
1211 if(pkt
->dts
!= AV_NOPTS_VALUE
)
1212 ist
->next_pts
= ist
->pts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
1214 //while we have more to decode or while the decoder did output something on EOF
1215 while (avpkt
.size
> 0 || (!pkt
&& ist
->next_pts
!= ist
->pts
)) {
1217 ist
->pts
= ist
->next_pts
;
1219 if(avpkt
.size
&& avpkt
.size
!= pkt
->size
&& verbose
>0)
1220 fprintf(stderr
, "Multiple frames in a packet from stream %d\n", pkt
->stream_index
);
1222 /* decode the packet if needed */
1223 data_buf
= NULL
; /* fail safe */
1225 subtitle_to_free
= NULL
;
1226 if (ist
->decoding_needed
) {
1227 switch(ist
->st
->codec
->codec_type
) {
1228 case CODEC_TYPE_AUDIO
:{
1229 if(pkt
&& samples_size
< FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
)) {
1230 samples_size
= FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
);
1232 samples
= av_malloc(samples_size
);
1234 data_size
= samples_size
;
1235 /* XXX: could avoid copy if PCM 16 bits with same
1236 endianness as CPU */
1237 ret
= avcodec_decode_audio3(ist
->st
->codec
, samples
, &data_size
,
1243 /* Some bug in mpeg audio decoder gives */
1244 /* data_size < 0, it seems they are overflows */
1245 if (data_size
<= 0) {
1246 /* no audio frame */
1249 data_buf
= (uint8_t *)samples
;
1250 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
/2 * data_size
) /
1251 (ist
->st
->codec
->sample_rate
* ist
->st
->codec
->channels
);
1253 case CODEC_TYPE_VIDEO
:
1254 data_size
= (ist
->st
->codec
->width
* ist
->st
->codec
->height
* 3) / 2;
1255 /* XXX: allocate picture correctly */
1256 avcodec_get_frame_defaults(&picture
);
1258 ret
= avcodec_decode_video2(ist
->st
->codec
,
1259 &picture
, &got_picture
, &avpkt
);
1260 ist
->st
->quality
= picture
.quality
;
1264 /* no picture yet */
1265 goto discard_packet
;
1267 if (ist
->st
->codec
->time_base
.num
!= 0) {
1268 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1269 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1270 ist
->st
->codec
->time_base
.num
* ticks
) /
1271 ist
->st
->codec
->time_base
.den
;
1275 case CODEC_TYPE_SUBTITLE
:
1276 ret
= avcodec_decode_subtitle2(ist
->st
->codec
,
1277 &subtitle
, &got_subtitle
, &avpkt
);
1280 if (!got_subtitle
) {
1281 goto discard_packet
;
1283 subtitle_to_free
= &subtitle
;
1290 switch(ist
->st
->codec
->codec_type
) {
1291 case CODEC_TYPE_AUDIO
:
1292 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
* ist
->st
->codec
->frame_size
) /
1293 ist
->st
->codec
->sample_rate
;
1295 case CODEC_TYPE_VIDEO
:
1296 if (ist
->st
->codec
->time_base
.num
!= 0) {
1297 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1298 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1299 ist
->st
->codec
->time_base
.num
* ticks
) /
1300 ist
->st
->codec
->time_base
.den
;
1304 data_buf
= avpkt
.data
;
1305 data_size
= avpkt
.size
;
1310 buffer_to_free
= NULL
;
1311 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1312 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
1316 // preprocess audio (volume)
1317 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
) {
1318 if (audio_volume
!= 256) {
1321 for(i
=0;i
<(data_size
/ sizeof(short));i
++) {
1322 int v
= ((*volp
) * audio_volume
+ 128) >> 8;
1323 if (v
< -32768) v
= -32768;
1324 if (v
> 32767) v
= 32767;
1330 /* frame rate emulation */
1332 int64_t pts
= av_rescale(ist
->pts
, 1000000, AV_TIME_BASE
);
1333 int64_t now
= av_gettime() - ist
->start
;
1338 /* if output time reached then transcode raw format,
1339 encode packets and output them */
1340 if (start_time
== 0 || ist
->pts
>= start_time
)
1341 for(i
=0;i
<nb_ostreams
;i
++) {
1345 if (ost
->source_index
== ist_index
) {
1346 os
= output_files
[ost
->file_index
];
1349 printf("%d: got pts=%0.3f %0.3f\n", i
,
1350 (double)pkt
->pts
/ AV_TIME_BASE
,
1351 ((double)ist
->pts
/ AV_TIME_BASE
) -
1352 ((double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
));
1354 /* set the input output pts pairs */
1355 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1357 if (ost
->encoding_needed
) {
1358 switch(ost
->st
->codec
->codec_type
) {
1359 case CODEC_TYPE_AUDIO
:
1360 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
1362 case CODEC_TYPE_VIDEO
:
1363 do_video_out(os
, ost
, ist
, &picture
, &frame_size
);
1364 if (vstats_filename
&& frame_size
)
1365 do_video_stats(os
, ost
, frame_size
);
1367 case CODEC_TYPE_SUBTITLE
:
1368 do_subtitle_out(os
, ost
, ist
, &subtitle
,
1375 AVFrame avframe
; //FIXME/XXX remove this
1377 int64_t ost_tb_start_time
= av_rescale_q(start_time
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1379 av_init_packet(&opkt
);
1381 if ((!ost
->frame_number
&& !(pkt
->flags
& PKT_FLAG_KEY
)) && !copy_initial_nonkeyframes
)
1384 /* no reencoding needed : output the packet directly */
1385 /* force the input stream PTS */
1387 avcodec_get_frame_defaults(&avframe
);
1388 ost
->st
->codec
->coded_frame
= &avframe
;
1389 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1391 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
)
1392 audio_size
+= data_size
;
1393 else if (ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1394 video_size
+= data_size
;
1398 opkt
.stream_index
= ost
->index
;
1399 if(pkt
->pts
!= AV_NOPTS_VALUE
)
1400 opkt
.pts
= av_rescale_q(pkt
->pts
, ist
->st
->time_base
, ost
->st
->time_base
) - ost_tb_start_time
;
1402 opkt
.pts
= AV_NOPTS_VALUE
;
1404 if (pkt
->dts
== AV_NOPTS_VALUE
)
1405 opkt
.dts
= av_rescale_q(ist
->pts
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1407 opkt
.dts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, ost
->st
->time_base
);
1408 opkt
.dts
-= ost_tb_start_time
;
1410 opkt
.duration
= av_rescale_q(pkt
->duration
, ist
->st
->time_base
, ost
->st
->time_base
);
1411 opkt
.flags
= pkt
->flags
;
1413 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1414 if(av_parser_change(ist
->st
->parser
, ost
->st
->codec
, &opkt
.data
, &opkt
.size
, data_buf
, data_size
, pkt
->flags
& PKT_FLAG_KEY
))
1415 opkt
.destruct
= av_destruct_packet
;
1417 write_frame(os
, &opkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][opkt
.stream_index
]);
1418 ost
->st
->codec
->frame_number
++;
1419 ost
->frame_number
++;
1420 av_free_packet(&opkt
);
1424 av_free(buffer_to_free
);
1425 /* XXX: allocate the subtitles in the codec ? */
1426 if (subtitle_to_free
) {
1427 if (subtitle_to_free
->rects
!= NULL
) {
1428 for (i
= 0; i
< subtitle_to_free
->num_rects
; i
++) {
1429 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[0]);
1430 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[1]);
1431 av_freep(&subtitle_to_free
->rects
[i
]);
1433 av_freep(&subtitle_to_free
->rects
);
1435 subtitle_to_free
->num_rects
= 0;
1436 subtitle_to_free
= NULL
;
1443 for(i
=0;i
<nb_ostreams
;i
++) {
1445 if (ost
->source_index
== ist_index
) {
1446 AVCodecContext
*enc
= ost
->st
->codec
;
1447 os
= output_files
[ost
->file_index
];
1449 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& enc
->frame_size
<=1)
1451 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& (os
->oformat
->flags
& AVFMT_RAWPICTURE
))
1454 if (ost
->encoding_needed
) {
1458 av_init_packet(&pkt
);
1459 pkt
.stream_index
= ost
->index
;
1461 switch(ost
->st
->codec
->codec_type
) {
1462 case CODEC_TYPE_AUDIO
:
1463 fifo_bytes
= av_fifo_size(ost
->fifo
);
1465 /* encode any samples remaining in fifo */
1466 if(fifo_bytes
> 0 && enc
->codec
->capabilities
& CODEC_CAP_SMALL_LAST_FRAME
) {
1467 int osize
= av_get_bits_per_sample_format(enc
->sample_fmt
) >> 3;
1468 int fs_tmp
= enc
->frame_size
;
1469 enc
->frame_size
= fifo_bytes
/ (osize
* enc
->channels
);
1470 av_fifo_generic_read(ost
->fifo
, samples
, fifo_bytes
, NULL
);
1471 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, samples
);
1472 pkt
.duration
= av_rescale((int64_t)enc
->frame_size
*ost
->st
->time_base
.den
,
1473 ost
->st
->time_base
.num
, enc
->sample_rate
);
1474 enc
->frame_size
= fs_tmp
;
1477 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1480 fprintf(stderr
, "Audio encoding failed\n");
1484 pkt
.flags
|= PKT_FLAG_KEY
;
1486 case CODEC_TYPE_VIDEO
:
1487 ret
= avcodec_encode_video(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1489 fprintf(stderr
, "Video encoding failed\n");
1493 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
1494 pkt
.flags
|= PKT_FLAG_KEY
;
1495 if (ost
->logfile
&& enc
->stats_out
) {
1496 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1505 pkt
.data
= bit_buffer
;
1507 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
1508 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
1509 write_frame(os
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1521 static void print_sdp(AVFormatContext
**avc
, int n
)
1525 avf_sdp_create(avc
, n
, sdp
, sizeof(sdp
));
1526 printf("SDP:\n%s\n", sdp
);
1530 static int stream_index_from_inputs(AVFormatContext
**input_files
,
1532 AVInputFile
*file_table
,
1533 AVInputStream
**ist_table
,
1534 enum CodecType type
,
1538 for(z
=0; z
<nb_input_files
; z
++) {
1539 AVFormatContext
*ic
= input_files
[z
];
1540 for(p
=0; p
<ic
->nb_programs
; p
++) {
1541 AVProgram
*program
= ic
->programs
[p
];
1542 if(program
->id
!= programid
)
1544 for(q
=0; q
<program
->nb_stream_indexes
; q
++) {
1545 int sidx
= program
->stream_index
[q
];
1546 int ris
= file_table
[z
].ist_index
+ sidx
;
1547 if(ist_table
[ris
]->discard
&& ic
->streams
[sidx
]->codec
->codec_type
== type
)
1557 * The following code is the main loop of the file converter
1559 static int av_encode(AVFormatContext
**output_files
,
1560 int nb_output_files
,
1561 AVFormatContext
**input_files
,
1563 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1565 int ret
= 0, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1566 AVFormatContext
*is
, *os
;
1567 AVCodecContext
*codec
, *icodec
;
1568 AVOutputStream
*ost
, **ost_table
= NULL
;
1569 AVInputStream
*ist
, **ist_table
= NULL
;
1570 AVInputFile
*file_table
;
1574 uint8_t no_packet
[MAX_FILES
]={0};
1575 int no_packet_count
=0;
1577 file_table
= av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1581 /* input stream init */
1583 for(i
=0;i
<nb_input_files
;i
++) {
1584 is
= input_files
[i
];
1585 file_table
[i
].ist_index
= j
;
1586 file_table
[i
].nb_streams
= is
->nb_streams
;
1587 j
+= is
->nb_streams
;
1591 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1595 for(i
=0;i
<nb_istreams
;i
++) {
1596 ist
= av_mallocz(sizeof(AVInputStream
));
1602 for(i
=0;i
<nb_input_files
;i
++) {
1603 is
= input_files
[i
];
1604 for(k
=0;k
<is
->nb_streams
;k
++) {
1605 ist
= ist_table
[j
++];
1606 ist
->st
= is
->streams
[k
];
1607 ist
->file_index
= i
;
1609 ist
->discard
= 1; /* the stream is discarded by default
1613 ist
->start
= av_gettime();
1618 /* output stream init */
1620 for(i
=0;i
<nb_output_files
;i
++) {
1621 os
= output_files
[i
];
1622 if (!os
->nb_streams
) {
1623 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1624 fprintf(stderr
, "Output file #%d does not contain any stream\n", i
);
1627 nb_ostreams
+= os
->nb_streams
;
1629 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1630 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1634 /* Sanity check the mapping args -- do the input files & streams exist? */
1635 for(i
=0;i
<nb_stream_maps
;i
++) {
1636 int fi
= stream_maps
[i
].file_index
;
1637 int si
= stream_maps
[i
].stream_index
;
1639 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1640 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1641 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1644 fi
= stream_maps
[i
].sync_file_index
;
1645 si
= stream_maps
[i
].sync_stream_index
;
1646 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1647 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1648 fprintf(stderr
,"Could not find sync stream #%d.%d\n", fi
, si
);
1653 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1656 for(i
=0;i
<nb_ostreams
;i
++) {
1657 ost
= av_mallocz(sizeof(AVOutputStream
));
1664 for(k
=0;k
<nb_output_files
;k
++) {
1665 os
= output_files
[k
];
1666 for(i
=0;i
<os
->nb_streams
;i
++,n
++) {
1669 ost
->file_index
= k
;
1671 ost
->st
= os
->streams
[i
];
1672 if (nb_stream_maps
> 0) {
1673 ost
->source_index
= file_table
[stream_maps
[n
].file_index
].ist_index
+
1674 stream_maps
[n
].stream_index
;
1676 /* Sanity check that the stream types match */
1677 if (ist_table
[ost
->source_index
]->st
->codec
->codec_type
!= ost
->st
->codec
->codec_type
) {
1678 int i
= ost
->file_index
;
1679 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1680 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1681 stream_maps
[n
].file_index
, stream_maps
[n
].stream_index
,
1682 ost
->file_index
, ost
->index
);
1689 j
= stream_index_from_inputs(input_files
, nb_input_files
, file_table
, ist_table
, ost
->st
->codec
->codec_type
, opt_programid
);
1691 ost
->source_index
= j
;
1695 /* get corresponding input stream index : we select the first one with the right type */
1697 for(j
=0;j
<nb_istreams
;j
++) {
1700 ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1701 ost
->source_index
= j
;
1709 if(! opt_programid
) {
1710 /* try again and reuse existing stream */
1711 for(j
=0;j
<nb_istreams
;j
++) {
1713 if (ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1714 ost
->source_index
= j
;
1720 int i
= ost
->file_index
;
1721 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1722 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1723 ost
->file_index
, ost
->index
);
1728 ist
= ist_table
[ost
->source_index
];
1730 ost
->sync_ist
= (nb_stream_maps
> 0) ?
1731 ist_table
[file_table
[stream_maps
[n
].sync_file_index
].ist_index
+
1732 stream_maps
[n
].sync_stream_index
] : ist
;
1736 /* for each output stream, we compute the right encoding parameters */
1737 for(i
=0;i
<nb_ostreams
;i
++) {
1738 AVMetadataTag
*lang
;
1740 os
= output_files
[ost
->file_index
];
1741 ist
= ist_table
[ost
->source_index
];
1743 codec
= ost
->st
->codec
;
1744 icodec
= ist
->st
->codec
;
1746 if ((lang
=av_metadata_get(ist
->st
->metadata
, "language", NULL
, 0))
1747 && !av_metadata_get(ost
->st
->metadata
, "language", NULL
, 0))
1748 av_metadata_set(&ost
->st
->metadata
, "language", lang
->value
);
1750 ost
->st
->disposition
= ist
->st
->disposition
;
1751 codec
->bits_per_raw_sample
= icodec
->bits_per_raw_sample
;
1753 if (ost
->st
->stream_copy
) {
1754 /* if stream_copy is selected, no need to decode or encode */
1755 codec
->codec_id
= icodec
->codec_id
;
1756 codec
->codec_type
= icodec
->codec_type
;
1758 if(!codec
->codec_tag
){
1759 if( !os
->oformat
->codec_tag
1760 || av_codec_get_id (os
->oformat
->codec_tag
, icodec
->codec_tag
) > 0
1761 || av_codec_get_tag(os
->oformat
->codec_tag
, icodec
->codec_id
) <= 0)
1762 codec
->codec_tag
= icodec
->codec_tag
;
1765 codec
->bit_rate
= icodec
->bit_rate
;
1766 codec
->extradata
= icodec
->extradata
;
1767 codec
->extradata_size
= icodec
->extradata_size
;
1768 if(av_q2d(icodec
->time_base
)*icodec
->ticks_per_frame
> av_q2d(ist
->st
->time_base
) && av_q2d(ist
->st
->time_base
) < 1.0/1000){
1769 codec
->time_base
= icodec
->time_base
;
1770 codec
->time_base
.num
*= icodec
->ticks_per_frame
;
1772 codec
->time_base
= ist
->st
->time_base
;
1773 switch(codec
->codec_type
) {
1774 case CODEC_TYPE_AUDIO
:
1775 if(audio_volume
!= 256) {
1776 fprintf(stderr
,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1779 codec
->channel_layout
= icodec
->channel_layout
;
1780 codec
->sample_rate
= icodec
->sample_rate
;
1781 codec
->channels
= icodec
->channels
;
1782 codec
->frame_size
= icodec
->frame_size
;
1783 codec
->block_align
= icodec
->block_align
;
1784 if(codec
->block_align
== 1 && codec
->codec_id
== CODEC_ID_MP3
)
1785 codec
->block_align
= 0;
1786 if(codec
->codec_id
== CODEC_ID_AC3
)
1787 codec
->block_align
= 0;
1789 case CODEC_TYPE_VIDEO
:
1790 codec
->pix_fmt
= icodec
->pix_fmt
;
1791 codec
->width
= icodec
->width
;
1792 codec
->height
= icodec
->height
;
1793 codec
->has_b_frames
= icodec
->has_b_frames
;
1795 case CODEC_TYPE_SUBTITLE
:
1796 codec
->width
= icodec
->width
;
1797 codec
->height
= icodec
->height
;
1803 switch(codec
->codec_type
) {
1804 case CODEC_TYPE_AUDIO
:
1805 ost
->fifo
= av_fifo_alloc(1024);
1808 ost
->reformat_pair
= MAKE_SFMT_PAIR(SAMPLE_FMT_NONE
,SAMPLE_FMT_NONE
);
1809 ost
->audio_resample
= codec
->sample_rate
!= icodec
->sample_rate
|| audio_sync_method
> 1;
1810 icodec
->request_channels
= codec
->channels
;
1811 ist
->decoding_needed
= 1;
1812 ost
->encoding_needed
= 1;
1814 case CODEC_TYPE_VIDEO
:
1815 ost
->video_crop
= ((frame_leftBand
+ frame_rightBand
+ frame_topBand
+ frame_bottomBand
) != 0);
1816 ost
->video_pad
= ((frame_padleft
+ frame_padright
+ frame_padtop
+ frame_padbottom
) != 0);
1817 ost
->video_resample
= ((codec
->width
!= icodec
->width
-
1818 (frame_leftBand
+ frame_rightBand
) +
1819 (frame_padleft
+ frame_padright
)) ||
1820 (codec
->height
!= icodec
->height
-
1821 (frame_topBand
+ frame_bottomBand
) +
1822 (frame_padtop
+ frame_padbottom
)) ||
1823 (codec
->pix_fmt
!= icodec
->pix_fmt
));
1824 if (ost
->video_crop
) {
1825 ost
->topBand
= frame_topBand
;
1826 ost
->leftBand
= frame_leftBand
;
1828 if (ost
->video_pad
) {
1829 ost
->padtop
= frame_padtop
;
1830 ost
->padleft
= frame_padleft
;
1831 ost
->padbottom
= frame_padbottom
;
1832 ost
->padright
= frame_padright
;
1833 if (!ost
->video_resample
) {
1834 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1835 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1836 codec
->width
, codec
->height
))
1840 if (ost
->video_resample
) {
1841 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1842 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1843 codec
->width
, codec
->height
)) {
1844 fprintf(stderr
, "Cannot allocate temp picture, check pix fmt\n");
1847 sws_flags
= av_get_int(sws_opts
, "sws_flags", NULL
);
1848 ost
->img_resample_ctx
= sws_getContext(
1849 icodec
->width
- (frame_leftBand
+ frame_rightBand
),
1850 icodec
->height
- (frame_topBand
+ frame_bottomBand
),
1852 codec
->width
- (frame_padleft
+ frame_padright
),
1853 codec
->height
- (frame_padtop
+ frame_padbottom
),
1855 sws_flags
, NULL
, NULL
, NULL
);
1856 if (ost
->img_resample_ctx
== NULL
) {
1857 fprintf(stderr
, "Cannot get resampling context\n");
1860 ost
->resample_height
= icodec
->height
- (frame_topBand
+ frame_bottomBand
);
1861 codec
->bits_per_raw_sample
= 0;
1863 ost
->encoding_needed
= 1;
1864 ist
->decoding_needed
= 1;
1866 case CODEC_TYPE_SUBTITLE
:
1867 ost
->encoding_needed
= 1;
1868 ist
->decoding_needed
= 1;
1875 if (ost
->encoding_needed
&&
1876 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1877 char logfilename
[1024];
1882 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1883 pass_logfilename_prefix
? pass_logfilename_prefix
: DEFAULT_PASS_LOGFILENAME_PREFIX
,
1885 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1886 f
= fopen(logfilename
, "w");
1888 fprintf(stderr
, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename
, strerror(errno
));
1893 /* read the log file */
1894 f
= fopen(logfilename
, "r");
1896 fprintf(stderr
, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename
, strerror(errno
));
1899 fseek(f
, 0, SEEK_END
);
1901 fseek(f
, 0, SEEK_SET
);
1902 logbuffer
= av_malloc(size
+ 1);
1904 fprintf(stderr
, "Could not allocate log buffer\n");
1907 size
= fread(logbuffer
, 1, size
, f
);
1909 logbuffer
[size
] = '\0';
1910 codec
->stats_in
= logbuffer
;
1914 if(codec
->codec_type
== CODEC_TYPE_VIDEO
){
1915 int size
= codec
->width
* codec
->height
;
1916 bit_buffer_size
= FFMAX(bit_buffer_size
, 6*size
+ 200);
1921 bit_buffer
= av_malloc(bit_buffer_size
);
1923 ret
= AVERROR(ENOMEM
);
1927 /* open each encoder */
1928 for(i
=0;i
<nb_ostreams
;i
++) {
1930 if (ost
->encoding_needed
) {
1931 AVCodec
*codec
= output_codecs
[i
];
1933 codec
= avcodec_find_encoder(ost
->st
->codec
->codec_id
);
1935 snprintf(error
, sizeof(error
), "Unsupported codec for output stream #%d.%d",
1936 ost
->file_index
, ost
->index
);
1937 ret
= AVERROR(EINVAL
);
1940 if (avcodec_open(ost
->st
->codec
, codec
) < 0) {
1941 snprintf(error
, sizeof(error
), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1942 ost
->file_index
, ost
->index
);
1943 ret
= AVERROR(EINVAL
);
1946 extra_size
+= ost
->st
->codec
->extradata_size
;
1950 /* open each decoder */
1951 for(i
=0;i
<nb_istreams
;i
++) {
1953 if (ist
->decoding_needed
) {
1954 AVCodec
*codec
= input_codecs
[i
];
1956 codec
= avcodec_find_decoder(ist
->st
->codec
->codec_id
);
1958 snprintf(error
, sizeof(error
), "Unsupported codec (id=%d) for input stream #%d.%d",
1959 ist
->st
->codec
->codec_id
, ist
->file_index
, ist
->index
);
1960 ret
= AVERROR(EINVAL
);
1963 if (avcodec_open(ist
->st
->codec
, codec
) < 0) {
1964 snprintf(error
, sizeof(error
), "Error while opening codec for input stream #%d.%d",
1965 ist
->file_index
, ist
->index
);
1966 ret
= AVERROR(EINVAL
);
1969 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1970 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1975 for(i
=0;i
<nb_istreams
;i
++) {
1978 ist
->next_pts
= AV_NOPTS_VALUE
;
1982 /* set meta data information from input file if required */
1983 for (i
=0;i
<nb_meta_data_maps
;i
++) {
1984 AVFormatContext
*out_file
;
1985 AVFormatContext
*in_file
;
1986 AVMetadataTag
*mtag
;
1988 int out_file_index
= meta_data_maps
[i
].out_file
;
1989 int in_file_index
= meta_data_maps
[i
].in_file
;
1990 if (out_file_index
< 0 || out_file_index
>= nb_output_files
) {
1991 snprintf(error
, sizeof(error
), "Invalid output file index %d map_meta_data(%d,%d)",
1992 out_file_index
, out_file_index
, in_file_index
);
1993 ret
= AVERROR(EINVAL
);
1996 if (in_file_index
< 0 || in_file_index
>= nb_input_files
) {
1997 snprintf(error
, sizeof(error
), "Invalid input file index %d map_meta_data(%d,%d)",
1998 in_file_index
, out_file_index
, in_file_index
);
1999 ret
= AVERROR(EINVAL
);
2003 out_file
= output_files
[out_file_index
];
2004 in_file
= input_files
[in_file_index
];
2008 while((mtag
=av_metadata_get(in_file
->metadata
, "", mtag
, AV_METADATA_IGNORE_SUFFIX
)))
2009 av_metadata_set(&out_file
->metadata
, mtag
->key
, mtag
->value
);
2010 av_metadata_conv(out_file
, out_file
->oformat
->metadata_conv
,
2011 in_file
->iformat
->metadata_conv
);
2014 /* open files and write file headers */
2015 for(i
=0;i
<nb_output_files
;i
++) {
2016 os
= output_files
[i
];
2017 if (av_write_header(os
) < 0) {
2018 snprintf(error
, sizeof(error
), "Could not write header for output file #%d (incorrect codec parameters ?)", i
);
2019 ret
= AVERROR(EINVAL
);
2022 if (strcmp(output_files
[i
]->oformat
->name
, "rtp")) {
2028 /* dump the file output parameters - cannot be done before in case
2030 for(i
=0;i
<nb_output_files
;i
++) {
2031 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
2034 /* dump the stream mapping */
2036 fprintf(stderr
, "Stream mapping:\n");
2037 for(i
=0;i
<nb_ostreams
;i
++) {
2039 fprintf(stderr
, " Stream #%d.%d -> #%d.%d",
2040 ist_table
[ost
->source_index
]->file_index
,
2041 ist_table
[ost
->source_index
]->index
,
2044 if (ost
->sync_ist
!= ist_table
[ost
->source_index
])
2045 fprintf(stderr
, " [sync #%d.%d]",
2046 ost
->sync_ist
->file_index
,
2047 ost
->sync_ist
->index
);
2048 fprintf(stderr
, "\n");
2053 fprintf(stderr
, "%s\n", error
);
2058 print_sdp(output_files
, nb_output_files
);
2061 if (!using_stdin
&& verbose
>= 0) {
2062 fprintf(stderr
, "Press [q] to stop encoding\n");
2063 url_set_interrupt_cb(decode_interrupt_cb
);
2067 timer_start
= av_gettime();
2069 for(; received_sigterm
== 0;) {
2070 int file_index
, ist_index
;
2078 /* if 'q' pressed, exits */
2082 /* read_key() returns 0 on EOF */
2088 /* select the stream that we must read now by looking at the
2089 smallest output pts */
2091 for(i
=0;i
<nb_ostreams
;i
++) {
2094 os
= output_files
[ost
->file_index
];
2095 ist
= ist_table
[ost
->source_index
];
2096 if(no_packet
[ist
->file_index
])
2098 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
)
2099 opts
= ost
->sync_opts
* av_q2d(ost
->st
->codec
->time_base
);
2101 opts
= ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
2102 ipts
= (double)ist
->pts
;
2103 if (!file_table
[ist
->file_index
].eof_reached
){
2104 if(ipts
< ipts_min
) {
2106 if(input_sync
) file_index
= ist
->file_index
;
2108 if(opts
< opts_min
) {
2110 if(!input_sync
) file_index
= ist
->file_index
;
2113 if(ost
->frame_number
>= max_frames
[ost
->st
->codec
->codec_type
]){
2118 /* if none, if is finished */
2119 if (file_index
< 0) {
2120 if(no_packet_count
){
2122 memset(no_packet
, 0, sizeof(no_packet
));
2129 /* finish if recording time exhausted */
2130 if (opts_min
>= (recording_time
/ 1000000.0))
2133 /* finish if limit size exhausted */
2134 if (limit_filesize
!= 0 && limit_filesize
< url_ftell(output_files
[0]->pb
))
2137 /* read a frame from it and output it in the fifo */
2138 is
= input_files
[file_index
];
2139 ret
= av_read_frame(is
, &pkt
);
2140 if(ret
== AVERROR(EAGAIN
)){
2141 no_packet
[file_index
]=1;
2146 file_table
[file_index
].eof_reached
= 1;
2154 memset(no_packet
, 0, sizeof(no_packet
));
2157 av_pkt_dump_log(NULL
, AV_LOG_DEBUG
, &pkt
, do_hex_dump
);
2159 /* the following test is needed in case new streams appear
2160 dynamically in stream : we ignore them */
2161 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
2162 goto discard_packet
;
2163 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
2164 ist
= ist_table
[ist_index
];
2166 goto discard_packet
;
2168 if (pkt
.dts
!= AV_NOPTS_VALUE
)
2169 pkt
.dts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2170 if (pkt
.pts
!= AV_NOPTS_VALUE
)
2171 pkt
.pts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2173 if(input_files_ts_scale
[file_index
][pkt
.stream_index
]){
2174 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2175 pkt
.pts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2176 if(pkt
.dts
!= AV_NOPTS_VALUE
)
2177 pkt
.dts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2180 // 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);
2181 if (pkt
.dts
!= AV_NOPTS_VALUE
&& ist
->next_pts
!= AV_NOPTS_VALUE
2182 && (is
->iformat
->flags
& AVFMT_TS_DISCONT
)) {
2183 int64_t pkt_dts
= av_rescale_q(pkt
.dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
2184 int64_t delta
= pkt_dts
- ist
->next_pts
;
2185 if((FFABS(delta
) > 1LL*dts_delta_threshold
*AV_TIME_BASE
|| pkt_dts
+1<ist
->pts
)&& !copy_ts
){
2186 input_files_ts_offset
[ist
->file_index
]-= delta
;
2188 fprintf(stderr
, "timestamp discontinuity %"PRId64
", new offset= %"PRId64
"\n", delta
, input_files_ts_offset
[ist
->file_index
]);
2189 pkt
.dts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2190 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2191 pkt
.pts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2195 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2196 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
2199 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
2200 ist
->file_index
, ist
->index
);
2203 av_free_packet(&pkt
);
2208 av_free_packet(&pkt
);
2210 /* dump report by using the output first video and audio streams */
2211 print_report(output_files
, ost_table
, nb_ostreams
, 0);
2214 /* at the end of stream, we must flush the decoder buffers */
2215 for(i
=0;i
<nb_istreams
;i
++) {
2217 if (ist
->decoding_needed
) {
2218 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
2224 /* write the trailer if needed and close file */
2225 for(i
=0;i
<nb_output_files
;i
++) {
2226 os
= output_files
[i
];
2227 av_write_trailer(os
);
2230 /* dump report by using the first video and audio streams */
2231 print_report(output_files
, ost_table
, nb_ostreams
, 1);
2233 /* close each encoder */
2234 for(i
=0;i
<nb_ostreams
;i
++) {
2236 if (ost
->encoding_needed
) {
2237 av_freep(&ost
->st
->codec
->stats_in
);
2238 avcodec_close(ost
->st
->codec
);
2242 /* close each decoder */
2243 for(i
=0;i
<nb_istreams
;i
++) {
2245 if (ist
->decoding_needed
) {
2246 avcodec_close(ist
->st
->codec
);
2254 av_freep(&bit_buffer
);
2255 av_free(file_table
);
2258 for(i
=0;i
<nb_istreams
;i
++) {
2265 for(i
=0;i
<nb_ostreams
;i
++) {
2269 fclose(ost
->logfile
);
2270 ost
->logfile
= NULL
;
2272 av_fifo_free(ost
->fifo
); /* works even if fifo is not
2273 initialized but set to zero */
2274 av_free(ost
->pict_tmp
.data
[0]);
2275 if (ost
->video_resample
)
2276 sws_freeContext(ost
->img_resample_ctx
);
2278 audio_resample_close(ost
->resample
);
2279 if (ost
->reformat_ctx
)
2280 av_audio_convert_free(ost
->reformat_ctx
);
2290 int file_read(const char *filename
)
2293 unsigned char buffer
[1024];
2296 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
2297 printf("could not open '%s'\n", filename
);
2301 len
= url_read(h
, buffer
, sizeof(buffer
));
2304 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
2311 static void opt_format(const char *arg
)
2313 /* compatibility stuff for pgmyuv */
2314 if (!strcmp(arg
, "pgmyuv")) {
2315 pgmyuv_compatibility_hack
=1;
2316 // opt_image_format(arg);
2318 fprintf(stderr
, "pgmyuv format is deprecated, use image2\n");
2321 file_iformat
= av_find_input_format(arg
);
2322 file_oformat
= guess_format(arg
, NULL
, NULL
);
2323 if (!file_iformat
&& !file_oformat
) {
2324 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
2329 static void opt_video_rc_override_string(const char *arg
)
2331 video_rc_override_string
= arg
;
2334 static int opt_me_threshold(const char *opt
, const char *arg
)
2336 me_threshold
= parse_number_or_die(opt
, arg
, OPT_INT64
, INT_MIN
, INT_MAX
);
2340 static int opt_loglevel(const char *opt
, const char *arg
)
2342 int level
= parse_number_or_die(opt
, arg
, OPT_INT
, INT_MIN
, INT_MAX
);
2343 av_log_set_level(level
);
2347 static int opt_verbose(const char *opt
, const char *arg
)
2349 verbose
= parse_number_or_die(opt
, arg
, OPT_INT64
, -10, 10);
2353 static int opt_frame_rate(const char *opt
, const char *arg
)
2355 if (av_parse_video_frame_rate(&frame_rate
, arg
) < 0) {
2356 fprintf(stderr
, "Incorrect value for %s: %s\n", opt
, arg
);
2362 static int opt_bitrate(const char *opt
, const char *arg
)
2364 int codec_type
= opt
[0]=='a' ? CODEC_TYPE_AUDIO
: CODEC_TYPE_VIDEO
;
2366 opt_default(opt
, arg
);
2368 if (av_get_int(avcodec_opts
[codec_type
], "b", NULL
) < 1000)
2369 fprintf(stderr
, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2374 static void opt_frame_crop_top(const char *arg
)
2376 frame_topBand
= atoi(arg
);
2377 if (frame_topBand
< 0) {
2378 fprintf(stderr
, "Incorrect top crop size\n");
2381 if ((frame_topBand
% 2) != 0) {
2382 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
2385 if ((frame_topBand
) >= frame_height
){
2386 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2389 frame_height
-= frame_topBand
;
2392 static void opt_frame_crop_bottom(const char *arg
)
2394 frame_bottomBand
= atoi(arg
);
2395 if (frame_bottomBand
< 0) {
2396 fprintf(stderr
, "Incorrect bottom crop size\n");
2399 if ((frame_bottomBand
% 2) != 0) {
2400 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
2403 if ((frame_bottomBand
) >= frame_height
){
2404 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2407 frame_height
-= frame_bottomBand
;
2410 static void opt_frame_crop_left(const char *arg
)
2412 frame_leftBand
= atoi(arg
);
2413 if (frame_leftBand
< 0) {
2414 fprintf(stderr
, "Incorrect left crop size\n");
2417 if ((frame_leftBand
% 2) != 0) {
2418 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
2421 if ((frame_leftBand
) >= frame_width
){
2422 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2425 frame_width
-= frame_leftBand
;
2428 static void opt_frame_crop_right(const char *arg
)
2430 frame_rightBand
= atoi(arg
);
2431 if (frame_rightBand
< 0) {
2432 fprintf(stderr
, "Incorrect right crop size\n");
2435 if ((frame_rightBand
% 2) != 0) {
2436 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
2439 if ((frame_rightBand
) >= frame_width
){
2440 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2443 frame_width
-= frame_rightBand
;
2446 static void opt_frame_size(const char *arg
)
2448 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2449 fprintf(stderr
, "Incorrect frame size\n");
2452 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2453 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2459 #define SCALEBITS 10
2460 #define ONE_HALF (1 << (SCALEBITS - 1))
2461 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2463 #define RGB_TO_Y(r, g, b) \
2464 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2465 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2467 #define RGB_TO_U(r1, g1, b1, shift)\
2468 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2469 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2471 #define RGB_TO_V(r1, g1, b1, shift)\
2472 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2473 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2475 static void opt_pad_color(const char *arg
) {
2476 /* Input is expected to be six hex digits similar to
2477 how colors are expressed in html tags (but without the #) */
2478 int rgb
= strtol(arg
, NULL
, 16);
2482 g
= ((rgb
>> 8) & 255);
2485 padcolor
[0] = RGB_TO_Y(r
,g
,b
);
2486 padcolor
[1] = RGB_TO_U(r
,g
,b
,0);
2487 padcolor
[2] = RGB_TO_V(r
,g
,b
,0);
2490 static void opt_frame_pad_top(const char *arg
)
2492 frame_padtop
= atoi(arg
);
2493 if (frame_padtop
< 0) {
2494 fprintf(stderr
, "Incorrect top pad size\n");
2497 if ((frame_padtop
% 2) != 0) {
2498 fprintf(stderr
, "Top pad size must be a multiple of 2\n");
2503 static void opt_frame_pad_bottom(const char *arg
)
2505 frame_padbottom
= atoi(arg
);
2506 if (frame_padbottom
< 0) {
2507 fprintf(stderr
, "Incorrect bottom pad size\n");
2510 if ((frame_padbottom
% 2) != 0) {
2511 fprintf(stderr
, "Bottom pad size must be a multiple of 2\n");
2517 static void opt_frame_pad_left(const char *arg
)
2519 frame_padleft
= atoi(arg
);
2520 if (frame_padleft
< 0) {
2521 fprintf(stderr
, "Incorrect left pad size\n");
2524 if ((frame_padleft
% 2) != 0) {
2525 fprintf(stderr
, "Left pad size must be a multiple of 2\n");
2531 static void opt_frame_pad_right(const char *arg
)
2533 frame_padright
= atoi(arg
);
2534 if (frame_padright
< 0) {
2535 fprintf(stderr
, "Incorrect right pad size\n");
2538 if ((frame_padright
% 2) != 0) {
2539 fprintf(stderr
, "Right pad size must be a multiple of 2\n");
2544 static void list_fmts(void (*get_fmt_string
)(char *buf
, int buf_size
, int fmt
), int nb_fmts
)
2548 for (i
=-1; i
< nb_fmts
; i
++) {
2549 get_fmt_string (fmt_str
, sizeof(fmt_str
), i
);
2550 fprintf(stdout
, "%s\n", fmt_str
);
2554 static void opt_frame_pix_fmt(const char *arg
)
2556 if (strcmp(arg
, "list")) {
2557 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2558 if (frame_pix_fmt
== PIX_FMT_NONE
) {
2559 fprintf(stderr
, "Unknown pixel format requested: %s\n", arg
);
2563 list_fmts(avcodec_pix_fmt_string
, PIX_FMT_NB
);
2568 static void opt_frame_aspect_ratio(const char *arg
)
2575 p
= strchr(arg
, ':');
2577 x
= strtol(arg
, &end
, 10);
2579 y
= strtol(end
+1, &end
, 10);
2581 ar
= (double)x
/ (double)y
;
2583 ar
= strtod(arg
, NULL
);
2586 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
2589 frame_aspect_ratio
= ar
;
2592 static int opt_metadata(const char *opt
, const char *arg
)
2594 char *mid
= strchr(arg
, '=');
2597 fprintf(stderr
, "Missing =\n");
2603 metadata
= av_realloc(metadata
, sizeof(*metadata
)*metadata_count
);
2604 metadata
[metadata_count
-1].key
= av_strdup(arg
);
2605 metadata
[metadata_count
-1].value
= av_strdup(mid
);
2610 static void opt_qscale(const char *arg
)
2612 video_qscale
= atof(arg
);
2613 if (video_qscale
<= 0 ||
2614 video_qscale
> 255) {
2615 fprintf(stderr
, "qscale must be > 0.0 and <= 255\n");
2620 static void opt_top_field_first(const char *arg
)
2622 top_field_first
= atoi(arg
);
2625 static int opt_thread_count(const char *opt
, const char *arg
)
2627 thread_count
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2630 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2635 static void opt_audio_sample_fmt(const char *arg
)
2637 if (strcmp(arg
, "list"))
2638 audio_sample_fmt
= avcodec_get_sample_fmt(arg
);
2640 list_fmts(avcodec_sample_fmt_string
, SAMPLE_FMT_NB
);
2645 static int opt_audio_rate(const char *opt
, const char *arg
)
2647 audio_sample_rate
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2651 static int opt_audio_channels(const char *opt
, const char *arg
)
2653 audio_channels
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2657 static void opt_video_channel(const char *arg
)
2659 video_channel
= strtol(arg
, NULL
, 0);
2662 static void opt_video_standard(const char *arg
)
2664 video_standard
= av_strdup(arg
);
2667 static void opt_codec(int *pstream_copy
, char **pcodec_name
,
2668 int codec_type
, const char *arg
)
2670 av_freep(pcodec_name
);
2671 if (!strcmp(arg
, "copy")) {
2674 *pcodec_name
= av_strdup(arg
);
2678 static void opt_audio_codec(const char *arg
)
2680 opt_codec(&audio_stream_copy
, &audio_codec_name
, CODEC_TYPE_AUDIO
, arg
);
2683 static void opt_audio_tag(const char *arg
)
2686 audio_codec_tag
= strtol(arg
, &tail
, 0);
2689 audio_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2692 static void opt_video_tag(const char *arg
)
2695 video_codec_tag
= strtol(arg
, &tail
, 0);
2698 video_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2701 static void opt_video_codec(const char *arg
)
2703 opt_codec(&video_stream_copy
, &video_codec_name
, CODEC_TYPE_VIDEO
, arg
);
2706 static void opt_subtitle_codec(const char *arg
)
2708 opt_codec(&subtitle_stream_copy
, &subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, arg
);
2711 static void opt_subtitle_tag(const char *arg
)
2714 subtitle_codec_tag
= strtol(arg
, &tail
, 0);
2717 subtitle_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2720 static void opt_map(const char *arg
)
2725 m
= &stream_maps
[nb_stream_maps
++];
2727 m
->file_index
= strtol(arg
, &p
, 0);
2731 m
->stream_index
= strtol(p
, &p
, 0);
2734 m
->sync_file_index
= strtol(p
, &p
, 0);
2737 m
->sync_stream_index
= strtol(p
, &p
, 0);
2739 m
->sync_file_index
= m
->file_index
;
2740 m
->sync_stream_index
= m
->stream_index
;
2744 static void opt_map_meta_data(const char *arg
)
2749 m
= &meta_data_maps
[nb_meta_data_maps
++];
2751 m
->out_file
= strtol(arg
, &p
, 0);
2755 m
->in_file
= strtol(p
, &p
, 0);
2758 static void opt_input_ts_scale(const char *arg
)
2760 unsigned int stream
;
2764 stream
= strtol(arg
, &p
, 0);
2767 scale
= strtod(p
, &p
);
2769 if(stream
>= MAX_STREAMS
)
2772 input_files_ts_scale
[nb_input_files
][stream
]= scale
;
2775 static int opt_recording_time(const char *opt
, const char *arg
)
2777 recording_time
= parse_time_or_die(opt
, arg
, 1);
2781 static int opt_start_time(const char *opt
, const char *arg
)
2783 start_time
= parse_time_or_die(opt
, arg
, 1);
2787 static int opt_rec_timestamp(const char *opt
, const char *arg
)
2789 rec_timestamp
= parse_time_or_die(opt
, arg
, 0) / 1000000;
2793 static int opt_input_ts_offset(const char *opt
, const char *arg
)
2795 input_ts_offset
= parse_time_or_die(opt
, arg
, 1);
2799 static enum CodecID
find_codec_or_die(const char *name
, int type
, int encoder
)
2801 const char *codec_string
= encoder
? "encoder" : "decoder";
2805 return CODEC_ID_NONE
;
2807 avcodec_find_encoder_by_name(name
) :
2808 avcodec_find_decoder_by_name(name
);
2810 fprintf(stderr
, "Unknown %s '%s'\n", codec_string
, name
);
2813 if(codec
->type
!= type
) {
2814 fprintf(stderr
, "Invalid %s type '%s'\n", codec_string
, name
);
2820 static void opt_input_file(const char *filename
)
2822 AVFormatContext
*ic
;
2823 AVFormatParameters params
, *ap
= ¶ms
;
2824 int err
, i
, ret
, rfps
, rfps_base
;
2827 if (!strcmp(filename
, "-"))
2830 using_stdin
|= !strncmp(filename
, "pipe:", 5) ||
2831 !strcmp(filename
, "/dev/stdin");
2833 /* get default parameters from command line */
2834 ic
= avformat_alloc_context();
2836 memset(ap
, 0, sizeof(*ap
));
2837 ap
->prealloced_context
= 1;
2838 ap
->sample_rate
= audio_sample_rate
;
2839 ap
->channels
= audio_channels
;
2840 ap
->time_base
.den
= frame_rate
.num
;
2841 ap
->time_base
.num
= frame_rate
.den
;
2842 ap
->width
= frame_width
+ frame_padleft
+ frame_padright
;
2843 ap
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2844 ap
->pix_fmt
= frame_pix_fmt
;
2845 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2846 ap
->channel
= video_channel
;
2847 ap
->standard
= video_standard
;
2848 ap
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2849 ap
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2850 if(pgmyuv_compatibility_hack
)
2851 ap
->video_codec_id
= CODEC_ID_PGMYUV
;
2853 set_context_opts(ic
, avformat_opts
, AV_OPT_FLAG_DECODING_PARAM
);
2855 ic
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2856 ic
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2857 ic
->subtitle_codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 0);
2858 ic
->flags
|= AVFMT_FLAG_NONBLOCK
;
2860 /* open the input file with generic libav function */
2861 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2863 print_error(filename
, err
);
2868 for(i
=0; i
<ic
->nb_programs
; i
++)
2869 if(ic
->programs
[i
]->id
!= opt_programid
)
2870 ic
->programs
[i
]->discard
= AVDISCARD_ALL
;
2873 ic
->loop_input
= loop_input
;
2875 /* If not enough info to get the stream parameters, we decode the
2876 first frames to get it. (used in mpeg case for example) */
2877 ret
= av_find_stream_info(ic
);
2878 if (ret
< 0 && verbose
>= 0) {
2879 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2883 timestamp
= start_time
;
2884 /* add the stream start time */
2885 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2886 timestamp
+= ic
->start_time
;
2888 /* if seeking requested, we execute it */
2889 if (start_time
!= 0) {
2890 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
2892 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2893 filename
, (double)timestamp
/ AV_TIME_BASE
);
2895 /* reset seek info */
2899 /* update the current parameters so that they match the one of the input stream */
2900 for(i
=0;i
<ic
->nb_streams
;i
++) {
2901 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2903 avcodec_thread_init(enc
, thread_count
);
2904 enc
->thread_count
= thread_count
;
2905 switch(enc
->codec_type
) {
2906 case CODEC_TYPE_AUDIO
:
2907 set_context_opts(enc
, avcodec_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2908 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2909 channel_layout
= enc
->channel_layout
;
2910 audio_channels
= enc
->channels
;
2911 audio_sample_rate
= enc
->sample_rate
;
2912 audio_sample_fmt
= enc
->sample_fmt
;
2913 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(audio_codec_name
);
2915 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2917 case CODEC_TYPE_VIDEO
:
2918 set_context_opts(enc
, avcodec_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2919 frame_height
= enc
->height
;
2920 frame_width
= enc
->width
;
2921 if(ic
->streams
[i
]->sample_aspect_ratio
.num
)
2922 frame_aspect_ratio
=av_q2d(ic
->streams
[i
]->sample_aspect_ratio
);
2924 frame_aspect_ratio
=av_q2d(enc
->sample_aspect_ratio
);
2925 frame_aspect_ratio
*= (float) enc
->width
/ enc
->height
;
2926 frame_pix_fmt
= enc
->pix_fmt
;
2927 rfps
= ic
->streams
[i
]->r_frame_rate
.num
;
2928 rfps_base
= ic
->streams
[i
]->r_frame_rate
.den
;
2929 if(enc
->lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
2931 enc
->debug
|= FF_DEBUG_MV
;
2933 if (enc
->time_base
.den
!= rfps
|| enc
->time_base
.num
!= rfps_base
) {
2936 fprintf(stderr
,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2937 i
, (float)enc
->time_base
.den
/ enc
->time_base
.num
, enc
->time_base
.den
, enc
->time_base
.num
,
2939 (float)rfps
/ rfps_base
, rfps
, rfps_base
);
2941 /* update the current frame rate to match the stream frame rate */
2942 frame_rate
.num
= rfps
;
2943 frame_rate
.den
= rfps_base
;
2945 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(video_codec_name
);
2947 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2948 else if(video_discard
)
2949 ic
->streams
[i
]->discard
= video_discard
;
2951 case CODEC_TYPE_DATA
:
2953 case CODEC_TYPE_SUBTITLE
:
2954 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(subtitle_codec_name
);
2955 if(subtitle_disable
)
2956 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2958 case CODEC_TYPE_ATTACHMENT
:
2959 case CODEC_TYPE_UNKNOWN
:
2967 input_files
[nb_input_files
] = ic
;
2968 input_files_ts_offset
[nb_input_files
] = input_ts_offset
- (copy_ts
? 0 : timestamp
);
2969 /* dump the file content */
2971 dump_format(ic
, nb_input_files
, filename
, 0);
2974 file_iformat
= NULL
;
2975 file_oformat
= NULL
;
2979 av_freep(&video_codec_name
);
2980 av_freep(&audio_codec_name
);
2981 av_freep(&subtitle_codec_name
);
2984 static void check_audio_video_sub_inputs(int *has_video_ptr
, int *has_audio_ptr
,
2985 int *has_subtitle_ptr
)
2987 int has_video
, has_audio
, has_subtitle
, i
, j
;
2988 AVFormatContext
*ic
;
2993 for(j
=0;j
<nb_input_files
;j
++) {
2994 ic
= input_files
[j
];
2995 for(i
=0;i
<ic
->nb_streams
;i
++) {
2996 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2997 switch(enc
->codec_type
) {
2998 case CODEC_TYPE_AUDIO
:
3001 case CODEC_TYPE_VIDEO
:
3004 case CODEC_TYPE_SUBTITLE
:
3007 case CODEC_TYPE_DATA
:
3008 case CODEC_TYPE_ATTACHMENT
:
3009 case CODEC_TYPE_UNKNOWN
:
3016 *has_video_ptr
= has_video
;
3017 *has_audio_ptr
= has_audio
;
3018 *has_subtitle_ptr
= has_subtitle
;
3021 static void new_video_stream(AVFormatContext
*oc
)
3024 AVCodecContext
*video_enc
;
3027 st
= av_new_stream(oc
, oc
->nb_streams
);
3029 fprintf(stderr
, "Could not alloc stream\n");
3032 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_VIDEO
);
3033 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= video_bitstream_filters
;
3034 video_bitstream_filters
= NULL
;
3037 avcodec_thread_init(st
->codec
, thread_count
);
3039 video_enc
= st
->codec
;
3042 video_enc
->codec_tag
= video_codec_tag
;
3044 if( (video_global_header
&1)
3045 || (video_global_header
==0 && (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
))){
3046 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3047 avcodec_opts
[CODEC_TYPE_VIDEO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3049 if(video_global_header
&2){
3050 video_enc
->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
3051 avcodec_opts
[CODEC_TYPE_VIDEO
]->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
3054 if (video_stream_copy
) {
3055 st
->stream_copy
= 1;
3056 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
3057 video_enc
->sample_aspect_ratio
=
3058 st
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*frame_height
/frame_width
, 255);
3063 AVRational fps
= frame_rate
.num
? frame_rate
: (AVRational
){25,1};
3065 if (video_codec_name
) {
3066 codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 1);
3067 codec
= avcodec_find_encoder_by_name(video_codec_name
);
3068 output_codecs
[nb_ocodecs
] = codec
;
3070 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_VIDEO
);
3071 codec
= avcodec_find_encoder(codec_id
);
3074 video_enc
->codec_id
= codec_id
;
3076 set_context_opts(video_enc
, avcodec_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3078 if (codec
&& codec
->supported_framerates
&& !force_fps
)
3079 fps
= codec
->supported_framerates
[av_find_nearest_q_idx(fps
, codec
->supported_framerates
)];
3080 video_enc
->time_base
.den
= fps
.num
;
3081 video_enc
->time_base
.num
= fps
.den
;
3083 video_enc
->width
= frame_width
+ frame_padright
+ frame_padleft
;
3084 video_enc
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
3085 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*video_enc
->height
/video_enc
->width
, 255);
3086 video_enc
->pix_fmt
= frame_pix_fmt
;
3087 st
->sample_aspect_ratio
= video_enc
->sample_aspect_ratio
;
3089 if(codec
&& codec
->pix_fmts
){
3090 const enum PixelFormat
*p
= codec
->pix_fmts
;
3092 if(*p
== video_enc
->pix_fmt
)
3096 video_enc
->pix_fmt
= codec
->pix_fmts
[0];
3100 video_enc
->gop_size
= 0;
3101 if (video_qscale
|| same_quality
) {
3102 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
3103 video_enc
->global_quality
=
3104 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
3108 video_enc
->intra_matrix
= intra_matrix
;
3110 video_enc
->inter_matrix
= inter_matrix
;
3112 video_enc
->thread_count
= thread_count
;
3113 p
= video_rc_override_string
;
3116 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
3118 fprintf(stderr
, "error parsing rc_override\n");
3121 video_enc
->rc_override
=
3122 av_realloc(video_enc
->rc_override
,
3123 sizeof(RcOverride
)*(i
+1));
3124 video_enc
->rc_override
[i
].start_frame
= start
;
3125 video_enc
->rc_override
[i
].end_frame
= end
;
3127 video_enc
->rc_override
[i
].qscale
= q
;
3128 video_enc
->rc_override
[i
].quality_factor
= 1.0;
3131 video_enc
->rc_override
[i
].qscale
= 0;
3132 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
3137 video_enc
->rc_override_count
=i
;
3138 if (!video_enc
->rc_initial_buffer_occupancy
)
3139 video_enc
->rc_initial_buffer_occupancy
= video_enc
->rc_buffer_size
*3/4;
3140 video_enc
->me_threshold
= me_threshold
;
3141 video_enc
->intra_dc_precision
= intra_dc_precision
- 8;
3144 video_enc
->flags
|= CODEC_FLAG_PSNR
;
3149 video_enc
->flags
|= CODEC_FLAG_PASS1
;
3151 video_enc
->flags
|= CODEC_FLAG_PASS2
;
3157 /* reset some key parameters */
3159 av_freep(&video_codec_name
);
3160 video_stream_copy
= 0;
3163 static void new_audio_stream(AVFormatContext
*oc
)
3166 AVCodecContext
*audio_enc
;
3169 st
= av_new_stream(oc
, oc
->nb_streams
);
3171 fprintf(stderr
, "Could not alloc stream\n");
3174 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_AUDIO
);
3176 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= audio_bitstream_filters
;
3177 audio_bitstream_filters
= NULL
;
3180 avcodec_thread_init(st
->codec
, thread_count
);
3182 audio_enc
= st
->codec
;
3183 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
3186 audio_enc
->codec_tag
= audio_codec_tag
;
3188 if (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
) {
3189 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3190 avcodec_opts
[CODEC_TYPE_AUDIO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3192 if (audio_stream_copy
) {
3193 st
->stream_copy
= 1;
3194 audio_enc
->channels
= audio_channels
;
3198 set_context_opts(audio_enc
, avcodec_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3200 if (audio_codec_name
) {
3201 codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 1);
3202 codec
= avcodec_find_encoder_by_name(audio_codec_name
);
3203 output_codecs
[nb_ocodecs
] = codec
;
3205 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_AUDIO
);
3206 codec
= avcodec_find_encoder(codec_id
);
3208 audio_enc
->codec_id
= codec_id
;
3210 if (audio_qscale
> QSCALE_NONE
) {
3211 audio_enc
->flags
|= CODEC_FLAG_QSCALE
;
3212 audio_enc
->global_quality
= st
->quality
= FF_QP2LAMBDA
* audio_qscale
;
3214 audio_enc
->thread_count
= thread_count
;
3215 audio_enc
->channels
= audio_channels
;
3216 audio_enc
->sample_fmt
= audio_sample_fmt
;
3217 audio_enc
->channel_layout
= channel_layout
;
3218 if (avcodec_channel_layout_num_channels(channel_layout
) != audio_channels
)
3219 audio_enc
->channel_layout
= 0;
3221 if(codec
&& codec
->sample_fmts
){
3222 const enum SampleFormat
*p
= codec
->sample_fmts
;
3224 if(*p
== audio_enc
->sample_fmt
)
3228 audio_enc
->sample_fmt
= codec
->sample_fmts
[0];
3232 audio_enc
->sample_rate
= audio_sample_rate
;
3233 audio_enc
->time_base
= (AVRational
){1, audio_sample_rate
};
3234 if (audio_language
) {
3235 av_metadata_set(&st
->metadata
, "language", audio_language
);
3236 av_free(audio_language
);
3237 audio_language
= NULL
;
3240 /* reset some key parameters */
3242 av_freep(&audio_codec_name
);
3243 audio_stream_copy
= 0;
3246 static void new_subtitle_stream(AVFormatContext
*oc
)
3249 AVCodecContext
*subtitle_enc
;
3251 st
= av_new_stream(oc
, oc
->nb_streams
);
3253 fprintf(stderr
, "Could not alloc stream\n");
3256 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_SUBTITLE
);
3258 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= subtitle_bitstream_filters
;
3259 subtitle_bitstream_filters
= NULL
;
3261 subtitle_enc
= st
->codec
;
3262 subtitle_enc
->codec_type
= CODEC_TYPE_SUBTITLE
;
3264 if(subtitle_codec_tag
)
3265 subtitle_enc
->codec_tag
= subtitle_codec_tag
;
3267 if (subtitle_stream_copy
) {
3268 st
->stream_copy
= 1;
3270 set_context_opts(avcodec_opts
[CODEC_TYPE_SUBTITLE
], subtitle_enc
, AV_OPT_FLAG_SUBTITLE_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3271 subtitle_enc
->codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 1);
3272 output_codecs
[nb_ocodecs
] = avcodec_find_encoder_by_name(subtitle_codec_name
);
3276 if (subtitle_language
) {
3277 av_metadata_set(&st
->metadata
, "language", subtitle_language
);
3278 av_free(subtitle_language
);
3279 subtitle_language
= NULL
;
3282 subtitle_disable
= 0;
3283 av_freep(&subtitle_codec_name
);
3284 subtitle_stream_copy
= 0;
3287 static void opt_new_audio_stream(void)
3289 AVFormatContext
*oc
;
3290 if (nb_output_files
<= 0) {
3291 fprintf(stderr
, "At least one output file must be specified\n");
3294 oc
= output_files
[nb_output_files
- 1];
3295 new_audio_stream(oc
);
3298 static void opt_new_video_stream(void)
3300 AVFormatContext
*oc
;
3301 if (nb_output_files
<= 0) {
3302 fprintf(stderr
, "At least one output file must be specified\n");
3305 oc
= output_files
[nb_output_files
- 1];
3306 new_video_stream(oc
);
3309 static void opt_new_subtitle_stream(void)
3311 AVFormatContext
*oc
;
3312 if (nb_output_files
<= 0) {
3313 fprintf(stderr
, "At least one output file must be specified\n");
3316 oc
= output_files
[nb_output_files
- 1];
3317 new_subtitle_stream(oc
);
3320 static void opt_output_file(const char *filename
)
3322 AVFormatContext
*oc
;
3323 int use_video
, use_audio
, use_subtitle
;
3324 int input_has_video
, input_has_audio
, input_has_subtitle
;
3325 AVFormatParameters params
, *ap
= ¶ms
;
3327 if (!strcmp(filename
, "-"))
3330 oc
= avformat_alloc_context();
3332 if (!file_oformat
) {
3333 file_oformat
= guess_format(NULL
, filename
, NULL
);
3334 if (!file_oformat
) {
3335 fprintf(stderr
, "Unable to find a suitable output format for '%s'\n",
3341 oc
->oformat
= file_oformat
;
3342 av_strlcpy(oc
->filename
, filename
, sizeof(oc
->filename
));
3344 if (!strcmp(file_oformat
->name
, "ffm") &&
3345 av_strstart(filename
, "http:", NULL
)) {
3346 /* special case for files sent to ffserver: we get the stream
3347 parameters from ffserver */
3348 int err
= read_ffserver_streams(oc
, filename
);
3350 print_error(filename
, err
);
3354 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
|| video_stream_copy
|| video_codec_name
;
3355 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
|| audio_stream_copy
|| audio_codec_name
;
3356 use_subtitle
= file_oformat
->subtitle_codec
!= CODEC_ID_NONE
|| subtitle_stream_copy
|| subtitle_codec_name
;
3358 /* disable if no corresponding type found and at least one
3360 if (nb_input_files
> 0) {
3361 check_audio_video_sub_inputs(&input_has_video
, &input_has_audio
,
3362 &input_has_subtitle
);
3363 if (!input_has_video
)
3365 if (!input_has_audio
)
3367 if (!input_has_subtitle
)
3371 /* manual disable */
3372 if (audio_disable
) {
3375 if (video_disable
) {
3378 if (subtitle_disable
) {
3383 new_video_stream(oc
);
3387 new_audio_stream(oc
);
3391 new_subtitle_stream(oc
);
3394 oc
->timestamp
= rec_timestamp
;
3396 for(; metadata_count
>0; metadata_count
--){
3397 av_metadata_set(&oc
->metadata
, metadata
[metadata_count
-1].key
,
3398 metadata
[metadata_count
-1].value
);
3400 av_metadata_conv(oc
, oc
->oformat
->metadata_conv
, NULL
);
3403 output_files
[nb_output_files
++] = oc
;
3405 /* check filename in case of an image number is expected */
3406 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
3407 if (!av_filename_number_test(oc
->filename
)) {
3408 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
3413 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
3414 /* test if it already exists to avoid loosing precious files */
3415 if (!file_overwrite
&&
3416 (strchr(filename
, ':') == NULL
||
3417 filename
[1] == ':' ||
3418 av_strstart(filename
, "file:", NULL
))) {
3419 if (url_exist(filename
)) {
3421 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
3423 if (!read_yesno()) {
3424 fprintf(stderr
, "Not overwriting - exiting\n");
3429 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
3436 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
3437 fprintf(stderr
, "Could not open '%s'\n", filename
);
3442 memset(ap
, 0, sizeof(*ap
));
3443 if (av_set_parameters(oc
, ap
) < 0) {
3444 fprintf(stderr
, "%s: Invalid encoding parameters\n",
3449 oc
->preload
= (int)(mux_preload
*AV_TIME_BASE
);
3450 oc
->max_delay
= (int)(mux_max_delay
*AV_TIME_BASE
);
3451 oc
->loop_output
= loop_output
;
3452 oc
->flags
|= AVFMT_FLAG_NONBLOCK
;
3454 set_context_opts(oc
, avformat_opts
, AV_OPT_FLAG_ENCODING_PARAM
);
3456 /* reset some options */
3457 file_oformat
= NULL
;
3458 file_iformat
= NULL
;
3461 /* same option as mencoder */
3462 static void opt_pass(const char *pass_str
)
3465 pass
= atoi(pass_str
);
3466 if (pass
!= 1 && pass
!= 2) {
3467 fprintf(stderr
, "pass number can be only 1 or 2\n");
3473 static int64_t getutime(void)
3476 struct rusage rusage
;
3478 getrusage(RUSAGE_SELF
, &rusage
);
3479 return (rusage
.ru_utime
.tv_sec
* 1000000LL) + rusage
.ru_utime
.tv_usec
;
3480 #elif HAVE_GETPROCESSTIMES
3482 FILETIME c
, e
, k
, u
;
3483 proc
= GetCurrentProcess();
3484 GetProcessTimes(proc
, &c
, &e
, &k
, &u
);
3485 return ((int64_t) u
.dwHighDateTime
<< 32 | u
.dwLowDateTime
) / 10;
3487 return av_gettime();
3491 static void parse_matrix_coeffs(uint16_t *dest
, const char *str
)
3494 const char *p
= str
;
3501 fprintf(stderr
, "Syntax error in matrix \"%s\" at coeff %d\n", str
, i
);
3508 static void opt_inter_matrix(const char *arg
)
3510 inter_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3511 parse_matrix_coeffs(inter_matrix
, arg
);
3514 static void opt_intra_matrix(const char *arg
)
3516 intra_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3517 parse_matrix_coeffs(intra_matrix
, arg
);
3521 * Trivial log callback.
3522 * Only suitable for show_help and similar since it lacks prefix handling.
3524 static void log_callback_help(void* ptr
, int level
, const char* fmt
, va_list vl
)
3526 vfprintf(stdout
, fmt
, vl
);
3529 static void show_help(void)
3531 av_log_set_callback(log_callback_help
);
3532 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3533 "Hyper fast Audio and Video encoder\n");
3535 show_help_options(options
, "Main options:\n",
3536 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
, 0);
3537 show_help_options(options
, "\nAdvanced options:\n",
3538 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
,
3540 show_help_options(options
, "\nVideo options:\n",
3541 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3543 show_help_options(options
, "\nAdvanced Video options:\n",
3544 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3545 OPT_VIDEO
| OPT_EXPERT
);
3546 show_help_options(options
, "\nAudio options:\n",
3547 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3549 show_help_options(options
, "\nAdvanced Audio options:\n",
3550 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3551 OPT_AUDIO
| OPT_EXPERT
);
3552 show_help_options(options
, "\nSubtitle options:\n",
3553 OPT_SUBTITLE
| OPT_GRAB
,
3555 show_help_options(options
, "\nAudio/Video grab options:\n",
3559 av_opt_show(avcodec_opts
[0], NULL
);
3561 av_opt_show(avformat_opts
, NULL
);
3563 av_opt_show(sws_opts
, NULL
);
3566 static void opt_target(const char *arg
)
3569 static const char *const frame_rates
[] = {"25", "30000/1001", "24000/1001"};
3571 if(!strncmp(arg
, "pal-", 4)) {
3574 } else if(!strncmp(arg
, "ntsc-", 5)) {
3577 } else if(!strncmp(arg
, "film-", 5)) {
3582 /* Calculate FR via float to avoid int overflow */
3583 fr
= (int)(frame_rate
.num
* 1000.0 / frame_rate
.den
);
3586 } else if((fr
== 29970) || (fr
== 23976)) {
3589 /* Try to determine PAL/NTSC by peeking in the input files */
3590 if(nb_input_files
) {
3592 for(j
= 0; j
< nb_input_files
; j
++) {
3593 for(i
= 0; i
< input_files
[j
]->nb_streams
; i
++) {
3594 AVCodecContext
*c
= input_files
[j
]->streams
[i
]->codec
;
3595 if(c
->codec_type
!= CODEC_TYPE_VIDEO
)
3597 fr
= c
->time_base
.den
* 1000 / c
->time_base
.num
;
3601 } else if((fr
== 29970) || (fr
== 23976)) {
3611 if(verbose
&& norm
>= 0)
3612 fprintf(stderr
, "Assuming %s for target.\n", norm
? "NTSC" : "PAL");
3616 fprintf(stderr
, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3617 fprintf(stderr
, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3618 fprintf(stderr
, "or set a framerate with \"-r xxx\".\n");
3622 if(!strcmp(arg
, "vcd")) {
3624 opt_video_codec("mpeg1video");
3625 opt_audio_codec("mp2");
3628 opt_frame_size(norm
? "352x240" : "352x288");
3629 opt_frame_rate(NULL
, frame_rates
[norm
]);
3630 opt_default("gop", norm
? "18" : "15");
3632 opt_default("b", "1150000");
3633 opt_default("maxrate", "1150000");
3634 opt_default("minrate", "1150000");
3635 opt_default("bufsize", "327680"); // 40*1024*8;
3637 opt_default("ab", "224000");
3638 audio_sample_rate
= 44100;
3641 opt_default("packetsize", "2324");
3642 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3644 /* We have to offset the PTS, so that it is consistent with the SCR.
3645 SCR starts at 36000, but the first two packs contain only padding
3646 and the first pack from the other stream, respectively, may also have
3647 been written before.
3648 So the real data starts at SCR 36000+3*1200. */
3649 mux_preload
= (36000+3*1200) / 90000.0; //0.44
3650 } else if(!strcmp(arg
, "svcd")) {
3652 opt_video_codec("mpeg2video");
3653 opt_audio_codec("mp2");
3656 opt_frame_size(norm
? "480x480" : "480x576");
3657 opt_frame_rate(NULL
, frame_rates
[norm
]);
3658 opt_default("gop", norm
? "18" : "15");
3660 opt_default("b", "2040000");
3661 opt_default("maxrate", "2516000");
3662 opt_default("minrate", "0"); //1145000;
3663 opt_default("bufsize", "1835008"); //224*1024*8;
3664 opt_default("flags", "+scan_offset");
3667 opt_default("ab", "224000");
3668 audio_sample_rate
= 44100;
3670 opt_default("packetsize", "2324");
3672 } else if(!strcmp(arg
, "dvd")) {
3674 opt_video_codec("mpeg2video");
3675 opt_audio_codec("ac3");
3678 opt_frame_size(norm
? "720x480" : "720x576");
3679 opt_frame_rate(NULL
, frame_rates
[norm
]);
3680 opt_default("gop", norm
? "18" : "15");
3682 opt_default("b", "6000000");
3683 opt_default("maxrate", "9000000");
3684 opt_default("minrate", "0"); //1500000;
3685 opt_default("bufsize", "1835008"); //224*1024*8;
3687 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3688 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3690 opt_default("ab", "448000");
3691 audio_sample_rate
= 48000;
3693 } else if(!strncmp(arg
, "dv", 2)) {
3697 opt_frame_size(norm
? "720x480" : "720x576");
3698 opt_frame_pix_fmt(!strncmp(arg
, "dv50", 4) ? "yuv422p" :
3699 (norm
? "yuv411p" : "yuv420p"));
3700 opt_frame_rate(NULL
, frame_rates
[norm
]);
3702 audio_sample_rate
= 48000;
3706 fprintf(stderr
, "Unknown target: %s\n", arg
);
3711 static void opt_vstats_file (const char *arg
)
3713 av_free (vstats_filename
);
3714 vstats_filename
=av_strdup (arg
);
3717 static void opt_vstats (void)
3720 time_t today2
= time(NULL
);
3721 struct tm
*today
= localtime(&today2
);
3723 snprintf(filename
, sizeof(filename
), "vstats_%02d%02d%02d.log", today
->tm_hour
, today
->tm_min
,
3725 opt_vstats_file(filename
);
3728 static int opt_bsf(const char *opt
, const char *arg
)
3730 AVBitStreamFilterContext
*bsfc
= av_bitstream_filter_init(arg
); //FIXME split name and args for filter at '='
3731 AVBitStreamFilterContext
**bsfp
;
3734 fprintf(stderr
, "Unknown bitstream filter %s\n", arg
);
3738 bsfp
= *opt
== 'v' ? &video_bitstream_filters
:
3739 *opt
== 'a' ? &audio_bitstream_filters
:
3740 &subtitle_bitstream_filters
;
3742 bsfp
= &(*bsfp
)->next
;
3749 static int opt_preset(const char *opt
, const char *arg
)
3752 char filename
[1000], tmp
[1000], tmp2
[1000], line
[1000];
3754 const char *base
[2]= { getenv("HOME"),
3758 for(i
=!base
[0]; i
<2 && !f
; i
++){
3759 snprintf(filename
, sizeof(filename
), "%s%s/%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", arg
);
3760 f
= fopen(filename
, "r");
3762 char *codec_name
= *opt
== 'v' ? video_codec_name
:
3763 *opt
== 'a' ? audio_codec_name
:
3764 subtitle_codec_name
;
3765 snprintf(filename
, sizeof(filename
), "%s%s/%s-%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", codec_name
, arg
);
3766 f
= fopen(filename
, "r");
3769 if(!f
&& ((arg
[0]=='.' && arg
[1]=='/') || arg
[0]=='/' ||
3771 av_strlcpy(filename
, arg
, sizeof(filename
));
3772 f
= fopen(filename
, "r");
3776 fprintf(stderr
, "File for preset '%s' not found\n", arg
);
3781 int e
= fscanf(f
, "%999[^\n]\n", line
) - 1;
3782 if(line
[0] == '#' && !e
)
3784 e
|= sscanf(line
, "%999[^=]=%999[^\n]\n", tmp
, tmp2
) - 2;
3786 fprintf(stderr
, "%s: Invalid syntax: '%s'\n", filename
, line
);
3789 if(!strcmp(tmp
, "acodec")){
3790 opt_audio_codec(tmp2
);
3791 }else if(!strcmp(tmp
, "vcodec")){
3792 opt_video_codec(tmp2
);
3793 }else if(!strcmp(tmp
, "scodec")){
3794 opt_subtitle_codec(tmp2
);
3795 }else if(opt_default(tmp
, tmp2
) < 0){
3796 fprintf(stderr
, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename
, line
, tmp
, tmp2
);
3806 static const OptionDef options
[] = {
3808 { "L", OPT_EXIT
, {(void*)show_license
}, "show license" },
3809 { "h", OPT_EXIT
, {(void*)show_help
}, "show help" },
3810 { "version", OPT_EXIT
, {(void*)show_version
}, "show version" },
3811 { "formats", OPT_EXIT
, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
3812 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3813 { "i", HAS_ARG
, {(void*)opt_input_file
}, "input file name", "filename" },
3814 { "y", OPT_BOOL
, {(void*)&file_overwrite
}, "overwrite output files" },
3815 { "map", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map
}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3816 { "map_meta_data", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map_meta_data
}, "set meta data information of outfile from infile", "outfile:infile" },
3817 { "t", OPT_FUNC2
| HAS_ARG
, {(void*)opt_recording_time
}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3818 { "fs", HAS_ARG
| OPT_INT64
, {(void*)&limit_filesize
}, "set the limit file size in bytes", "limit_size" }, //
3819 { "ss", OPT_FUNC2
| HAS_ARG
, {(void*)opt_start_time
}, "set the start time offset", "time_off" },
3820 { "itsoffset", OPT_FUNC2
| HAS_ARG
, {(void*)opt_input_ts_offset
}, "set the input ts offset", "time_off" },
3821 { "itsscale", HAS_ARG
, {(void*)opt_input_ts_scale
}, "set the input ts scale", "stream:scale" },
3822 { "timestamp", OPT_FUNC2
| HAS_ARG
, {(void*)opt_rec_timestamp
}, "set the timestamp ('now' to set the current time)", "time" },
3823 { "metadata", OPT_FUNC2
| HAS_ARG
, {(void*)opt_metadata
}, "add metadata", "string=string" },
3824 { "dframes", OPT_INT
| HAS_ARG
, {(void*)&max_frames
[CODEC_TYPE_DATA
]}, "set the number of data frames to record", "number" },
3825 { "benchmark", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_benchmark
},
3826 "add timings for benchmarking" },
3827 { "dump", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_pkt_dump
},
3828 "dump each input packet" },
3829 { "hex", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_hex_dump
},
3830 "when dumping packets, also dump the payload" },
3831 { "re", OPT_BOOL
| OPT_EXPERT
, {(void*)&rate_emu
}, "read input at native frame rate", "" },
3832 { "loop_input", OPT_BOOL
| OPT_EXPERT
, {(void*)&loop_input
}, "loop (current only works with images)" },
3833 { "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)", "" },
3834 { "v", HAS_ARG
| OPT_FUNC2
, {(void*)opt_verbose
}, "set ffmpeg verbosity level", "number" },
3835 { "loglevel", HAS_ARG
| OPT_FUNC2
, {(void*)opt_loglevel
}, "set libav* logging level", "number" },
3836 { "target", HAS_ARG
, {(void*)opt_target
}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3837 { "threads", OPT_FUNC2
| HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3838 { "vsync", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_sync_method
}, "video sync method", "" },
3839 { "async", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&audio_sync_method
}, "audio sync method", "" },
3840 { "adrift_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&audio_drift_threshold
}, "audio drift threshold", "threshold" },
3841 { "vglobal", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_global_header
}, "video global header storage type", "" },
3842 { "copyts", OPT_BOOL
| OPT_EXPERT
, {(void*)©_ts
}, "copy timestamps" },
3843 { "shortest", OPT_BOOL
| OPT_EXPERT
, {(void*)&opt_shortest
}, "finish encoding within shortest input" }, //
3844 { "dts_delta_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&dts_delta_threshold
}, "timestamp discontinuity delta threshold", "threshold" },
3845 { "programid", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&opt_programid
}, "desired program number", "" },
3846 { "xerror", OPT_BOOL
, {(void*)&exit_on_error
}, "exit on error", "error" },
3847 { "copyinkf", OPT_BOOL
| OPT_EXPERT
, {(void*)©_initial_nonkeyframes
}, "copy initial non-keyframes" },
3850 { "b", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3851 { "vb", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3852 { "vframes", OPT_INT
| HAS_ARG
| OPT_VIDEO
, {(void*)&max_frames
[CODEC_TYPE_VIDEO
]}, "set the number of video frames to record", "number" },
3853 { "r", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_rate
}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3854 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3855 { "aspect", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_aspect_ratio
}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3856 { "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" },
3857 { "croptop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_top
}, "set top crop band size (in pixels)", "size" },
3858 { "cropbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_bottom
}, "set bottom crop band size (in pixels)", "size" },
3859 { "cropleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_left
}, "set left crop band size (in pixels)", "size" },
3860 { "cropright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_right
}, "set right crop band size (in pixels)", "size" },
3861 { "padtop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_top
}, "set top pad band size (in pixels)", "size" },
3862 { "padbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_bottom
}, "set bottom pad band size (in pixels)", "size" },
3863 { "padleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_left
}, "set left pad band size (in pixels)", "size" },
3864 { "padright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_right
}, "set right pad band size (in pixels)", "size" },
3865 { "padcolor", HAS_ARG
| OPT_VIDEO
, {(void*)opt_pad_color
}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3866 { "intra", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_only
}, "use only intra frames"},
3867 { "vn", OPT_BOOL
| OPT_VIDEO
, {(void*)&video_disable
}, "disable video" },
3868 { "vdt", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&video_discard
}, "discard threshold", "n" },
3869 { "qscale", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qscale
}, "use fixed video quantizer scale (VBR)", "q" },
3870 { "rc_override", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_override_string
}, "rate control override for specific intervals", "override" },
3871 { "vcodec", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_codec
}, "force video codec ('copy' to copy stream)", "codec" },
3872 { "me_threshold", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_me_threshold
}, "motion estimaton threshold", "threshold" },
3873 { "sameq", OPT_BOOL
| OPT_VIDEO
, {(void*)&same_quality
},
3874 "use same video quality as source (implies VBR)" },
3875 { "pass", HAS_ARG
| OPT_VIDEO
, {(void*)&opt_pass
}, "select the pass number (1 or 2)", "n" },
3876 { "passlogfile", HAS_ARG
| OPT_STRING
| OPT_VIDEO
, {(void*)&pass_logfilename_prefix
}, "select two pass log file name prefix", "prefix" },
3877 { "deinterlace", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_deinterlace
},
3878 "deinterlace pictures" },
3879 { "psnr", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_psnr
}, "calculate PSNR of compressed frames" },
3880 { "vstats", OPT_EXPERT
| OPT_VIDEO
, {(void*)&opt_vstats
}, "dump video coding statistics to file" },
3881 { "vstats_file", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_vstats_file
}, "dump video coding statistics to file", "file" },
3882 { "intra_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_intra_matrix
}, "specify intra matrix coeffs", "matrix" },
3883 { "inter_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_inter_matrix
}, "specify inter matrix coeffs", "matrix" },
3884 { "top", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_top_field_first
}, "top=1/bottom=0/auto=-1 field first", "" },
3885 { "dc", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_dc_precision
}, "intra_dc_precision", "precision" },
3886 { "vtag", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_tag
}, "force video tag/fourcc", "fourcc/tag" },
3887 { "newvideo", OPT_VIDEO
, {(void*)opt_new_video_stream
}, "add a new video stream to the current output stream" },
3888 { "qphist", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, { (void *)&qp_hist
}, "show QP histogram" },
3889 { "force_fps", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&force_fps
}, "force the selected framerate, disable the best supported framerate selection" },
3892 { "ab", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3893 { "aframes", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&max_frames
[CODEC_TYPE_AUDIO
]}, "set the number of audio frames to record", "number" },
3894 { "aq", OPT_FLOAT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_qscale
}, "set audio quality (codec-specific)", "quality", },
3895 { "ar", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_rate
}, "set audio sampling rate (in Hz)", "rate" },
3896 { "ac", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_channels
}, "set number of audio channels", "channels" },
3897 { "an", OPT_BOOL
| OPT_AUDIO
, {(void*)&audio_disable
}, "disable audio" },
3898 { "acodec", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_codec
}, "force audio codec ('copy' to copy stream)", "codec" },
3899 { "atag", HAS_ARG
| OPT_EXPERT
| OPT_AUDIO
, {(void*)opt_audio_tag
}, "force audio tag/fourcc", "fourcc/tag" },
3900 { "vol", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_volume
}, "change audio volume (256=normal)" , "volume" }, //
3901 { "newaudio", OPT_AUDIO
, {(void*)opt_new_audio_stream
}, "add a new audio stream to the current output stream" },
3902 { "alang", HAS_ARG
| OPT_STRING
| OPT_AUDIO
, {(void *)&audio_language
}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3903 { "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" },
3905 /* subtitle options */
3906 { "sn", OPT_BOOL
| OPT_SUBTITLE
, {(void*)&subtitle_disable
}, "disable subtitle" },
3907 { "scodec", HAS_ARG
| OPT_SUBTITLE
, {(void*)opt_subtitle_codec
}, "force subtitle codec ('copy' to copy stream)", "codec" },
3908 { "newsubtitle", OPT_SUBTITLE
, {(void*)opt_new_subtitle_stream
}, "add a new subtitle stream to the current output stream" },
3909 { "slang", HAS_ARG
| OPT_STRING
| OPT_SUBTITLE
, {(void *)&subtitle_language
}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3910 { "stag", HAS_ARG
| OPT_EXPERT
| OPT_SUBTITLE
, {(void*)opt_subtitle_tag
}, "force subtitle tag/fourcc", "fourcc/tag" },
3913 { "vc", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_channel
}, "set video grab channel (DV1394 only)", "channel" },
3914 { "tvstd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_standard
}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3915 { "isync", OPT_BOOL
| OPT_EXPERT
| OPT_GRAB
, {(void*)&input_sync
}, "sync read on input", "" },
3918 { "muxdelay", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_max_delay
}, "set the maximum demux-decode delay", "seconds" },
3919 { "muxpreload", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_preload
}, "set the initial demux-decode delay", "seconds" },
3921 { "absf", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3922 { "vbsf", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3923 { "sbsf", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3925 { "apre", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the audio options to the indicated preset", "preset" },
3926 { "vpre", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the video options to the indicated preset", "preset" },
3927 { "spre", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_preset
}, "set the subtitle options to the indicated preset", "preset" },
3929 { "default", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_default
}, "generic catch all option", "" },
3933 int main(int argc
, char **argv
)
3938 avcodec_register_all();
3939 avdevice_register_all();
3942 if(isatty(STDIN_FILENO
))
3943 url_set_interrupt_cb(decode_interrupt_cb
);
3945 for(i
=0; i
<CODEC_TYPE_NB
; i
++){
3946 avcodec_opts
[i
]= avcodec_alloc_context2(i
);
3948 avformat_opts
= avformat_alloc_context();
3949 sws_opts
= sws_getContext(16,16,0, 16,16,0, sws_flags
, NULL
,NULL
,NULL
);
3954 parse_options(argc
, argv
, options
, opt_output_file
);
3956 /* file converter / grab */
3957 if (nb_output_files
<= 0) {
3958 fprintf(stderr
, "At least one output file must be specified\n");
3962 if (nb_input_files
== 0) {
3963 fprintf(stderr
, "At least one input file must be specified\n");
3968 if (av_encode(output_files
, nb_output_files
, input_files
, nb_input_files
,
3969 stream_maps
, nb_stream_maps
) < 0)
3971 ti
= getutime() - ti
;
3973 printf("bench: utime=%0.3fs\n", ti
/ 1000000.0);