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 "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
73 const char program_name
[] = "FFmpeg";
74 const int program_birth_year
= 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap
{
81 int sync_stream_index
;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap
{
90 static const OptionDef options
[];
94 static AVFormatContext
*input_files
[MAX_FILES
];
95 static int64_t input_files_ts_offset
[MAX_FILES
];
96 static double input_files_ts_scale
[MAX_FILES
][MAX_STREAMS
];
97 static AVCodec
*input_codecs
[MAX_FILES
*MAX_STREAMS
];
98 static int nb_input_files
= 0;
99 static int nb_icodecs
;
101 static AVFormatContext
*output_files
[MAX_FILES
];
102 static AVCodec
*output_codecs
[MAX_FILES
*MAX_STREAMS
];
103 static int nb_output_files
= 0;
104 static int nb_ocodecs
;
106 static AVStreamMap stream_maps
[MAX_FILES
*MAX_STREAMS
];
107 static int nb_stream_maps
;
109 static AVMetaDataMap meta_data_maps
[MAX_FILES
];
110 static int nb_meta_data_maps
;
112 static AVInputFormat
*file_iformat
;
113 static AVOutputFormat
*file_oformat
;
114 static int frame_width
= 0;
115 static int frame_height
= 0;
116 static float frame_aspect_ratio
= 0;
117 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
118 static enum SampleFormat audio_sample_fmt
= SAMPLE_FMT_NONE
;
119 static int frame_padtop
= 0;
120 static int frame_padbottom
= 0;
121 static int frame_padleft
= 0;
122 static int frame_padright
= 0;
123 static int padcolor
[3] = {16,128,128}; /* default to black */
124 static int frame_topBand
= 0;
125 static int frame_bottomBand
= 0;
126 static int frame_leftBand
= 0;
127 static int frame_rightBand
= 0;
128 static int max_frames
[4] = {INT_MAX
, INT_MAX
, INT_MAX
, INT_MAX
};
129 static AVRational frame_rate
;
130 static float video_qscale
= 0;
131 static uint16_t *intra_matrix
= NULL
;
132 static uint16_t *inter_matrix
= NULL
;
133 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish
=1.0;
135 static float video_rc_qmod_amp
=0;
136 static int video_rc_qmod_freq
=0;
138 static const char *video_rc_override_string
=NULL
;
139 static int video_disable
= 0;
140 static int video_discard
= 0;
141 static char *video_codec_name
= NULL
;
142 static int video_codec_tag
= 0;
143 static int same_quality
= 0;
144 static int do_deinterlace
= 0;
145 static int top_field_first
= -1;
146 static int me_threshold
= 0;
147 static int intra_dc_precision
= 8;
148 static int loop_input
= 0;
149 static int loop_output
= AVFMT_NOOUTPUTLOOP
;
150 static int qp_hist
= 0;
152 static int intra_only
= 0;
153 static int audio_sample_rate
= 44100;
154 static int64_t channel_layout
= 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale
= QSCALE_NONE
;
157 static int audio_disable
= 0;
158 static int audio_channels
= 1;
159 static char *audio_codec_name
= NULL
;
160 static int audio_codec_tag
= 0;
161 static char *audio_language
= NULL
;
163 static int subtitle_disable
= 0;
164 static char *subtitle_codec_name
= NULL
;
165 static char *subtitle_language
= NULL
;
166 static int subtitle_codec_tag
= 0;
168 static float mux_preload
= 0.5;
169 static float mux_max_delay
= 0.7;
171 static int64_t recording_time
= INT64_MAX
;
172 static int64_t start_time
= 0;
173 static int64_t rec_timestamp
= 0;
174 static int64_t input_ts_offset
= 0;
175 static int file_overwrite
= 0;
176 static int metadata_count
;
177 static AVMetadataTag
*metadata
;
178 static int do_benchmark
= 0;
179 static int do_hex_dump
= 0;
180 static int do_pkt_dump
= 0;
181 static int do_psnr
= 0;
182 static int do_pass
= 0;
183 static char *pass_logfilename_prefix
= NULL
;
184 static int audio_stream_copy
= 0;
185 static int video_stream_copy
= 0;
186 static int subtitle_stream_copy
= 0;
187 static int video_sync_method
= -1;
188 static int audio_sync_method
= 0;
189 static float audio_drift_threshold
= 0.1;
190 static int copy_ts
= 0;
191 static int opt_shortest
= 0;
192 static int video_global_header
= 0;
193 static char *vstats_filename
;
194 static FILE *vstats_file
;
195 static int opt_programid
= 0;
196 static int copy_initial_nonkeyframes
= 0;
198 static int rate_emu
= 0;
200 static int video_channel
= 0;
201 static char *video_standard
;
203 static int audio_volume
= 256;
205 static int exit_on_error
= 0;
206 static int using_stdin
= 0;
207 static int verbose
= 1;
208 static int thread_count
= 1;
209 static int q_pressed
= 0;
210 static int64_t video_size
= 0;
211 static int64_t audio_size
= 0;
212 static int64_t extra_size
= 0;
213 static int nb_frames_dup
= 0;
214 static int nb_frames_drop
= 0;
215 static int input_sync
;
216 static uint64_t limit_filesize
= 0;
217 static int force_fps
= 0;
219 static int pgmyuv_compatibility_hack
=0;
220 static float dts_delta_threshold
= 10;
222 static unsigned int sws_flags
= SWS_BICUBIC
;
224 static int64_t timer_start
;
226 static uint8_t *audio_buf
;
227 static uint8_t *audio_out
;
228 static uint8_t *audio_out2
;
230 static short *samples
;
232 static AVBitStreamFilterContext
*video_bitstream_filters
=NULL
;
233 static AVBitStreamFilterContext
*audio_bitstream_filters
=NULL
;
234 static AVBitStreamFilterContext
*subtitle_bitstream_filters
=NULL
;
235 static AVBitStreamFilterContext
*bitstream_filters
[MAX_FILES
][MAX_STREAMS
];
237 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
239 struct AVInputStream
;
241 typedef struct AVOutputStream
{
242 int file_index
; /* file index */
243 int index
; /* stream index in the output file */
244 int source_index
; /* AVInputStream index */
245 AVStream
*st
; /* stream in the output file */
246 int encoding_needed
; /* true if encoding needed for this stream */
248 /* input pts and corresponding output pts
250 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
251 struct AVInputStream
*sync_ist
; /* input stream to sync against */
252 int64_t sync_opts
; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
255 AVFrame pict_tmp
; /* temporary image for resampling */
256 struct SwsContext
*img_resample_ctx
; /* for image resampling */
260 int topBand
; /* cropping area sizes */
264 int padtop
; /* padding area sizes */
271 ReSampleContext
*resample
; /* for audio resampling */
273 AVAudioConvert
*reformat_ctx
;
274 AVFifoBuffer
*fifo
; /* for compression: one audio fifo per codec */
278 typedef struct AVInputStream
{
282 int discard
; /* true if stream data should be discarded */
283 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
284 int64_t sample_index
; /* current sample */
286 int64_t start
; /* time when read started */
287 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
289 int64_t pts
; /* current pts */
290 int is_start
; /* is 1 at the start and after a discontinuity */
293 typedef struct AVInputFile
{
294 int eof_reached
; /* true if eof reached */
295 int ist_index
; /* index of first stream in ist_table */
296 int buffer_size
; /* current total buffer size */
297 int nb_streams
; /* nb streams we are aware of */
302 /* init terminal so that we can grab keys */
303 static struct termios oldtty
;
306 static void term_exit(void)
309 tcsetattr (0, TCSANOW
, &oldtty
);
313 static volatile sig_atomic_t received_sigterm
= 0;
316 sigterm_handler(int sig
)
318 received_sigterm
= sig
;
322 static void term_init(void)
330 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
331 |INLCR
|IGNCR
|ICRNL
|IXON
);
332 tty
.c_oflag
|= OPOST
;
333 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
334 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
339 tcsetattr (0, TCSANOW
, &tty
);
340 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
343 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
344 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
346 register a function to be called at normal program termination
349 #if CONFIG_BEOS_NETSERVER
350 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
354 /* read a key without blocking */
355 static int read_key(void)
360 #if !CONFIG_BEOS_NETSERVER
368 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
384 static int decode_interrupt_cb(void)
386 return q_pressed
|| (q_pressed
= read_key() == 'q');
389 static int av_exit(int ret
)
394 for(i
=0;i
<nb_output_files
;i
++) {
395 /* maybe av_close_output_file ??? */
396 AVFormatContext
*s
= output_files
[i
];
398 if (!(s
->oformat
->flags
& AVFMT_NOFILE
) && s
->pb
)
400 for(j
=0;j
<s
->nb_streams
;j
++) {
401 av_metadata_free(&s
->streams
[j
]->metadata
);
402 av_free(s
->streams
[j
]->codec
);
403 av_free(s
->streams
[j
]);
405 for(j
=0;j
<s
->nb_programs
;j
++) {
406 av_metadata_free(&s
->programs
[j
]->metadata
);
408 for(j
=0;j
<s
->nb_chapters
;j
++) {
409 av_metadata_free(&s
->chapters
[j
]->metadata
);
411 av_metadata_free(&s
->metadata
);
414 for(i
=0;i
<nb_input_files
;i
++)
415 av_close_input_file(input_files
[i
]);
417 av_free(intra_matrix
);
418 av_free(inter_matrix
);
422 av_free(vstats_filename
);
426 av_free(video_codec_name
);
427 av_free(audio_codec_name
);
428 av_free(subtitle_codec_name
);
430 av_free(video_standard
);
432 #if CONFIG_POWERPC_PERF
433 void powerpc_display_perf_report(void);
434 powerpc_display_perf_report();
435 #endif /* CONFIG_POWERPC_PERF */
437 for (i
=0;i
<CODEC_TYPE_NB
;i
++)
438 av_free(avcodec_opts
[i
]);
439 av_free(avformat_opts
);
446 if (received_sigterm
) {
448 "Received signal %d: terminating.\n",
449 (int) received_sigterm
);
453 exit(ret
); /* not all OS-es handle main() return value */
457 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
463 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
466 /* copy stream format */
467 s
->nb_streams
= ic
->nb_streams
;
468 for(i
=0;i
<ic
->nb_streams
;i
++) {
471 // FIXME: a more elegant solution is needed
472 st
= av_mallocz(sizeof(AVStream
));
473 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
474 st
->codec
= avcodec_alloc_context();
475 memcpy(st
->codec
, ic
->streams
[i
]->codec
, sizeof(AVCodecContext
));
478 if (st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& audio_stream_copy
)
480 else if (st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& video_stream_copy
)
483 if(!st
->codec
->thread_count
)
484 st
->codec
->thread_count
= 1;
485 if(st
->codec
->thread_count
>1)
486 avcodec_thread_init(st
->codec
, st
->codec
->thread_count
);
488 if(st
->codec
->flags
& CODEC_FLAG_BITEXACT
)
493 s
->timestamp
= av_gettime();
495 av_close_input_file(ic
);
500 get_sync_ipts(const AVOutputStream
*ost
)
502 const AVInputStream
*ist
= ost
->sync_ist
;
503 return (double)(ist
->pts
- start_time
)/AV_TIME_BASE
;
506 static void write_frame(AVFormatContext
*s
, AVPacket
*pkt
, AVCodecContext
*avctx
, AVBitStreamFilterContext
*bsfc
){
510 AVPacket new_pkt
= *pkt
;
511 int a
= av_bitstream_filter_filter(bsfc
, avctx
, NULL
,
512 &new_pkt
.data
, &new_pkt
.size
,
513 pkt
->data
, pkt
->size
,
514 pkt
->flags
& PKT_FLAG_KEY
);
517 new_pkt
.destruct
= av_destruct_packet
;
519 fprintf(stderr
, "%s failed for stream %d, codec %s",
520 bsfc
->filter
->name
, pkt
->stream_index
,
521 avctx
->codec
? avctx
->codec
->name
: "copy");
531 ret
= av_interleaved_write_frame(s
, pkt
);
533 print_error("av_interleaved_write_frame()", ret
);
538 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
540 static void do_audio_out(AVFormatContext
*s
,
543 unsigned char *buf
, int size
)
546 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
548 int size_out
, frame_bytes
, ret
;
549 AVCodecContext
*enc
= ost
->st
->codec
;
550 AVCodecContext
*dec
= ist
->st
->codec
;
551 int osize
= av_get_bits_per_sample_format(enc
->sample_fmt
)/8;
552 int isize
= av_get_bits_per_sample_format(dec
->sample_fmt
)/8;
554 /* SC: dynamic allocation of buffers */
556 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
558 audio_out
= av_malloc(audio_out_size
);
559 if (!audio_buf
|| !audio_out
)
560 return; /* Should signal an error ! */
562 if (enc
->channels
!= dec
->channels
)
563 ost
->audio_resample
= 1;
565 if (ost
->audio_resample
&& !ost
->resample
) {
566 if (dec
->sample_fmt
!= SAMPLE_FMT_S16
)
567 fprintf(stderr
, "Warning, using s16 intermediate sample format for resampling\n");
568 ost
->resample
= av_audio_resample_init(enc
->channels
, dec
->channels
,
569 enc
->sample_rate
, dec
->sample_rate
,
570 enc
->sample_fmt
, dec
->sample_fmt
,
572 if (!ost
->resample
) {
573 fprintf(stderr
, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
574 dec
->channels
, dec
->sample_rate
,
575 enc
->channels
, enc
->sample_rate
);
580 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
581 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
&&
582 MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
)!=ost
->reformat_pair
) {
584 audio_out2
= av_malloc(audio_out_size
);
587 if (ost
->reformat_ctx
)
588 av_audio_convert_free(ost
->reformat_ctx
);
589 ost
->reformat_ctx
= av_audio_convert_alloc(enc
->sample_fmt
, 1,
590 dec
->sample_fmt
, 1, NULL
, 0);
591 if (!ost
->reformat_ctx
) {
592 fprintf(stderr
, "Cannot convert %s sample format to %s sample format\n",
593 avcodec_get_sample_fmt_name(dec
->sample_fmt
),
594 avcodec_get_sample_fmt_name(enc
->sample_fmt
));
597 ost
->reformat_pair
=MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
);
600 if(audio_sync_method
){
601 double delta
= get_sync_ipts(ost
) * enc
->sample_rate
- ost
->sync_opts
602 - av_fifo_size(ost
->fifo
)/(ost
->st
->codec
->channels
* 2);
603 double idelta
= delta
*ist
->st
->codec
->sample_rate
/ enc
->sample_rate
;
604 int byte_delta
= ((int)idelta
)*2*ist
->st
->codec
->channels
;
606 //FIXME resample delay
607 if(fabs(delta
) > 50){
608 if(ist
->is_start
|| fabs(delta
) > audio_drift_threshold
*enc
->sample_rate
){
610 byte_delta
= FFMAX(byte_delta
, -size
);
614 fprintf(stderr
, "discarding %d audio samples\n", (int)-delta
);
619 static uint8_t *input_tmp
= NULL
;
620 input_tmp
= av_realloc(input_tmp
, byte_delta
+ size
);
622 if(byte_delta
+ size
<= MAX_AUDIO_PACKET_SIZE
)
625 byte_delta
= MAX_AUDIO_PACKET_SIZE
- size
;
627 memset(input_tmp
, 0, byte_delta
);
628 memcpy(input_tmp
+ byte_delta
, buf
, size
);
632 fprintf(stderr
, "adding %d audio samples of silence\n", (int)delta
);
634 }else if(audio_sync_method
>1){
635 int comp
= av_clip(delta
, -audio_sync_method
, audio_sync_method
);
636 assert(ost
->audio_resample
);
638 fprintf(stderr
, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta
, comp
, enc
->sample_rate
);
639 // 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));
640 av_resample_compensate(*(struct AVResampleContext
**)ost
->resample
, comp
, enc
->sample_rate
);
644 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) * enc
->sample_rate
)
645 - av_fifo_size(ost
->fifo
)/(ost
->st
->codec
->channels
* 2); //FIXME wrong
647 if (ost
->audio_resample
) {
649 size_out
= audio_resample(ost
->resample
,
650 (short *)buftmp
, (short *)buf
,
651 size
/ (ist
->st
->codec
->channels
* isize
));
652 size_out
= size_out
* enc
->channels
* osize
;
658 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
) {
659 const void *ibuf
[6]= {buftmp
};
660 void *obuf
[6]= {audio_out2
};
661 int istride
[6]= {isize
};
662 int ostride
[6]= {osize
};
663 int len
= size_out
/istride
[0];
664 if (av_audio_convert(ost
->reformat_ctx
, obuf
, ostride
, ibuf
, istride
, len
)<0) {
665 printf("av_audio_convert() failed\n");
671 size_out
= len
*osize
;
674 /* now encode as many frames as possible */
675 if (enc
->frame_size
> 1) {
676 /* output resampled raw samples */
677 if (av_fifo_realloc2(ost
->fifo
, av_fifo_size(ost
->fifo
) + size_out
) < 0) {
678 fprintf(stderr
, "av_fifo_realloc2() failed\n");
681 av_fifo_generic_write(ost
->fifo
, buftmp
, size_out
, NULL
);
683 frame_bytes
= enc
->frame_size
* osize
* enc
->channels
;
685 while (av_fifo_size(ost
->fifo
) >= frame_bytes
) {
687 av_init_packet(&pkt
);
689 av_fifo_generic_read(ost
->fifo
, audio_buf
, frame_bytes
, NULL
);
691 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
693 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
696 fprintf(stderr
, "Audio encoding failed\n");
700 pkt
.stream_index
= ost
->index
;
703 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
704 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
705 pkt
.flags
|= PKT_FLAG_KEY
;
706 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
708 ost
->sync_opts
+= enc
->frame_size
;
712 int coded_bps
= av_get_bits_per_sample(enc
->codec
->id
)/8;
713 av_init_packet(&pkt
);
715 ost
->sync_opts
+= size_out
/ (osize
* enc
->channels
);
717 /* output a pcm frame */
718 /* determine the size of the coded buffer */
721 size_out
*= coded_bps
;
723 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
724 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
727 fprintf(stderr
, "Audio encoding failed\n");
731 pkt
.stream_index
= ost
->index
;
734 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
735 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
736 pkt
.flags
|= PKT_FLAG_KEY
;
737 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
741 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
745 AVPicture picture_tmp
;
748 dec
= ist
->st
->codec
;
750 /* deinterlace : must be done before any resize */
751 if (do_deinterlace
) {
754 /* create temporary picture */
755 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
756 buf
= av_malloc(size
);
760 picture2
= &picture_tmp
;
761 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
764 if(avpicture_deinterlace(picture2
, picture
,
765 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
766 /* if error, do not deinterlace */
767 fprintf(stderr
, "Deinterlacing failed\n");
773 av_picture_copy(picture2
, picture
, dec
->pix_fmt
, dec
->width
, dec
->height
);
779 if (picture
!= picture2
)
780 *picture
= *picture2
;
784 /* we begin to correct av delay at this threshold */
785 #define AV_DELAY_MAX 0.100
787 static void do_subtitle_out(AVFormatContext
*s
,
793 static uint8_t *subtitle_out
= NULL
;
794 int subtitle_out_max_size
= 65536;
795 int subtitle_out_size
, nb
, i
;
799 if (pts
== AV_NOPTS_VALUE
) {
800 fprintf(stderr
, "Subtitle packets must have a pts\n");
806 enc
= ost
->st
->codec
;
809 subtitle_out
= av_malloc(subtitle_out_max_size
);
812 /* Note: DVB subtitle need one packet to draw them and one other
813 packet to clear them */
814 /* XXX: signal it in the codec context ? */
815 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
)
820 for(i
= 0; i
< nb
; i
++) {
821 subtitle_out_size
= avcodec_encode_subtitle(enc
, subtitle_out
,
822 subtitle_out_max_size
, sub
);
824 av_init_packet(&pkt
);
825 pkt
.stream_index
= ost
->index
;
826 pkt
.data
= subtitle_out
;
827 pkt
.size
= subtitle_out_size
;
828 pkt
.pts
= av_rescale_q(pts
, ist
->st
->time_base
, ost
->st
->time_base
);
829 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
) {
830 /* XXX: the pts correction is handled here. Maybe handling
831 it in the codec would be better */
833 pkt
.pts
+= 90 * sub
->start_display_time
;
835 pkt
.pts
+= 90 * sub
->end_display_time
;
837 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
841 static int bit_buffer_size
= 1024*256;
842 static uint8_t *bit_buffer
= NULL
;
844 static void do_video_out(AVFormatContext
*s
,
850 int nb_frames
, i
, ret
;
851 AVFrame
*final_picture
, *formatted_picture
, *resampling_dst
, *padding_src
;
852 AVFrame picture_crop_temp
, picture_pad_temp
;
853 AVCodecContext
*enc
, *dec
;
855 avcodec_get_frame_defaults(&picture_crop_temp
);
856 avcodec_get_frame_defaults(&picture_pad_temp
);
858 enc
= ost
->st
->codec
;
859 dec
= ist
->st
->codec
;
861 /* by default, we output a single frame */
866 if(video_sync_method
>0 || (video_sync_method
&& av_q2d(enc
->time_base
) > 0.001)){
868 vdelta
= get_sync_ipts(ost
) / av_q2d(enc
->time_base
) - ost
->sync_opts
;
869 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
872 else if (video_sync_method
== 2 || (video_sync_method
<0 && (s
->oformat
->flags
& AVFMT_VARIABLE_FPS
))){
876 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
877 }else if (vdelta
> 1.1)
878 nb_frames
= lrintf(vdelta
);
879 //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);
883 fprintf(stderr
, "*** drop!\n");
884 }else if (nb_frames
> 1) {
885 nb_frames_dup
+= nb_frames
;
887 fprintf(stderr
, "*** %d dup!\n", nb_frames
-1);
890 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
892 nb_frames
= FFMIN(nb_frames
, max_frames
[CODEC_TYPE_VIDEO
] - ost
->frame_number
);
896 if (ost
->video_crop
) {
897 if (av_picture_crop((AVPicture
*)&picture_crop_temp
, (AVPicture
*)in_picture
, dec
->pix_fmt
, ost
->topBand
, ost
->leftBand
) < 0) {
898 fprintf(stderr
, "error cropping picture\n");
903 formatted_picture
= &picture_crop_temp
;
905 formatted_picture
= in_picture
;
908 final_picture
= formatted_picture
;
909 padding_src
= formatted_picture
;
910 resampling_dst
= &ost
->pict_tmp
;
911 if (ost
->video_pad
) {
912 final_picture
= &ost
->pict_tmp
;
913 if (ost
->video_resample
) {
914 if (av_picture_crop((AVPicture
*)&picture_pad_temp
, (AVPicture
*)final_picture
, enc
->pix_fmt
, ost
->padtop
, ost
->padleft
) < 0) {
915 fprintf(stderr
, "error padding picture\n");
920 resampling_dst
= &picture_pad_temp
;
924 if (ost
->video_resample
) {
926 final_picture
= &ost
->pict_tmp
;
927 sws_scale(ost
->img_resample_ctx
, formatted_picture
->data
, formatted_picture
->linesize
,
928 0, ost
->resample_height
, resampling_dst
->data
, resampling_dst
->linesize
);
931 if (ost
->video_pad
) {
932 av_picture_pad((AVPicture
*)final_picture
, (AVPicture
*)padding_src
,
933 enc
->height
, enc
->width
, enc
->pix_fmt
,
934 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
, padcolor
);
937 /* duplicates frame if needed */
938 for(i
=0;i
<nb_frames
;i
++) {
940 av_init_packet(&pkt
);
941 pkt
.stream_index
= ost
->index
;
943 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
944 /* raw pictures are written as AVPicture structure to
945 avoid any copies. We support temorarily the older
947 AVFrame
* old_frame
= enc
->coded_frame
;
948 enc
->coded_frame
= dec
->coded_frame
; //FIXME/XXX remove this hack
949 pkt
.data
= (uint8_t *)final_picture
;
950 pkt
.size
= sizeof(AVPicture
);
951 pkt
.pts
= av_rescale_q(ost
->sync_opts
, enc
->time_base
, ost
->st
->time_base
);
952 pkt
.flags
|= PKT_FLAG_KEY
;
954 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
955 enc
->coded_frame
= old_frame
;
959 big_picture
= *final_picture
;
960 /* better than nothing: use input picture interlaced
962 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
963 if(avcodec_opts
[CODEC_TYPE_VIDEO
]->flags
& (CODEC_FLAG_INTERLACED_DCT
|CODEC_FLAG_INTERLACED_ME
)){
964 if(top_field_first
== -1)
965 big_picture
.top_field_first
= in_picture
->top_field_first
;
967 big_picture
.top_field_first
= top_field_first
;
970 /* handles sameq here. This is not correct because it may
971 not be a global option */
973 big_picture
.quality
= ist
->st
->quality
;
975 big_picture
.quality
= ost
->st
->quality
;
977 big_picture
.pict_type
= 0;
978 // big_picture.pts = AV_NOPTS_VALUE;
979 big_picture
.pts
= ost
->sync_opts
;
980 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
981 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
982 ret
= avcodec_encode_video(enc
,
983 bit_buffer
, bit_buffer_size
,
986 fprintf(stderr
, "Video encoding failed\n");
989 //enc->frame_number = enc->real_pict_num;
991 pkt
.data
= bit_buffer
;
993 if(enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
994 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
995 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
996 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
997 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
999 if(enc
->coded_frame
->key_frame
)
1000 pkt
.flags
|= PKT_FLAG_KEY
;
1001 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1004 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1005 // enc->frame_number-1, enc->real_pict_num, ret,
1007 /* if two pass, output log */
1008 if (ost
->logfile
&& enc
->stats_out
) {
1009 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1014 ost
->frame_number
++;
1018 static double psnr(double d
){
1019 return -10.0*log(d
)/log(10.0);
1022 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
1025 AVCodecContext
*enc
;
1027 double ti1
, bitrate
, avg_bitrate
;
1029 /* this is executed just the first time do_video_stats is called */
1031 vstats_file
= fopen(vstats_filename
, "w");
1038 enc
= ost
->st
->codec
;
1039 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1040 frame_number
= ost
->frame_number
;
1041 fprintf(vstats_file
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1042 if (enc
->flags
&CODEC_FLAG_PSNR
)
1043 fprintf(vstats_file
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
1045 fprintf(vstats_file
,"f_size= %6d ", frame_size
);
1046 /* compute pts value */
1047 ti1
= ost
->sync_opts
* av_q2d(enc
->time_base
);
1051 bitrate
= (frame_size
* 8) / av_q2d(enc
->time_base
) / 1000.0;
1052 avg_bitrate
= (double)(video_size
* 8) / ti1
/ 1000.0;
1053 fprintf(vstats_file
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1054 (double)video_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
1055 fprintf(vstats_file
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
1059 static void print_report(AVFormatContext
**output_files
,
1060 AVOutputStream
**ost_table
, int nb_ostreams
,
1064 AVOutputStream
*ost
;
1065 AVFormatContext
*oc
;
1067 AVCodecContext
*enc
;
1068 int frame_number
, vid
, i
;
1069 double bitrate
, ti1
, pts
;
1070 static int64_t last_time
= -1;
1071 static int qp_histogram
[52];
1073 if (!is_last_report
) {
1075 /* display the report every 0.5 seconds */
1076 cur_time
= av_gettime();
1077 if (last_time
== -1) {
1078 last_time
= cur_time
;
1081 if ((cur_time
- last_time
) < 500000)
1083 last_time
= cur_time
;
1087 oc
= output_files
[0];
1089 total_size
= url_fsize(oc
->pb
);
1090 if(total_size
<0) // FIXME improve url_fsize() so it works with non seekable output too
1091 total_size
= url_ftell(oc
->pb
);
1096 for(i
=0;i
<nb_ostreams
;i
++) {
1098 enc
= ost
->st
->codec
;
1099 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1100 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "q=%2.1f ",
1101 !ost
->st
->stream_copy
?
1102 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1104 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1105 float t
= (av_gettime()-timer_start
) / 1000000.0;
1107 frame_number
= ost
->frame_number
;
1108 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "frame=%5d fps=%3d q=%3.1f ",
1109 frame_number
, (t
>1)?(int)(frame_number
/t
+0.5) : 0,
1110 !ost
->st
->stream_copy
?
1111 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1113 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "L");
1116 int qp
= lrintf(enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1117 if(qp
>=0 && qp
<FF_ARRAY_ELEMS(qp_histogram
))
1120 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%X", (int)lrintf(log(qp_histogram
[j
]+1)/log(2)));
1122 if (enc
->flags
&CODEC_FLAG_PSNR
){
1124 double error
, error_sum
=0;
1125 double scale
, scale_sum
=0;
1126 char type
[3]= {'Y','U','V'};
1127 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "PSNR=");
1130 error
= enc
->error
[j
];
1131 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
1133 error
= enc
->coded_frame
->error
[j
];
1134 scale
= enc
->width
*enc
->height
*255.0*255.0;
1139 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
1141 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
1145 /* compute min output value */
1146 pts
= (double)ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
1147 if ((pts
< ti1
) && (pts
> 0))
1153 if (verbose
|| is_last_report
) {
1154 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
1156 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
),
1157 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1158 (double)total_size
/ 1024, ti1
, bitrate
);
1161 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), " dup=%d drop=%d",
1162 nb_frames_dup
, nb_frames_drop
);
1165 fprintf(stderr
, "%s \r", buf
);
1170 if (is_last_report
&& verbose
>= 0){
1171 int64_t raw
= audio_size
+ video_size
+ extra_size
;
1172 fprintf(stderr
, "\n");
1173 fprintf(stderr
, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1177 100.0*(total_size
- raw
)/raw
1182 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1183 static int output_packet(AVInputStream
*ist
, int ist_index
,
1184 AVOutputStream
**ost_table
, int nb_ostreams
,
1185 const AVPacket
*pkt
)
1187 AVFormatContext
*os
;
1188 AVOutputStream
*ost
;
1191 int data_size
, got_picture
;
1193 void *buffer_to_free
;
1194 static unsigned int samples_size
= 0;
1195 AVSubtitle subtitle
, *subtitle_to_free
;
1199 if(ist
->next_pts
== AV_NOPTS_VALUE
)
1200 ist
->next_pts
= ist
->pts
;
1204 av_init_packet(&avpkt
);
1212 if(pkt
->dts
!= AV_NOPTS_VALUE
)
1213 ist
->next_pts
= ist
->pts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
1215 //while we have more to decode or while the decoder did output something on EOF
1216 while (avpkt
.size
> 0 || (!pkt
&& ist
->next_pts
!= ist
->pts
)) {
1218 ist
->pts
= ist
->next_pts
;
1220 if(avpkt
.size
&& avpkt
.size
!= pkt
->size
&& verbose
>0)
1221 fprintf(stderr
, "Multiple frames in a packet from stream %d\n", pkt
->stream_index
);
1223 /* decode the packet if needed */
1224 data_buf
= NULL
; /* fail safe */
1226 subtitle_to_free
= NULL
;
1227 if (ist
->decoding_needed
) {
1228 switch(ist
->st
->codec
->codec_type
) {
1229 case CODEC_TYPE_AUDIO
:{
1230 if(pkt
&& samples_size
< FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
)) {
1231 samples_size
= FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
);
1233 samples
= av_malloc(samples_size
);
1235 data_size
= samples_size
;
1236 /* XXX: could avoid copy if PCM 16 bits with same
1237 endianness as CPU */
1238 ret
= avcodec_decode_audio3(ist
->st
->codec
, samples
, &data_size
,
1244 /* Some bug in mpeg audio decoder gives */
1245 /* data_size < 0, it seems they are overflows */
1246 if (data_size
<= 0) {
1247 /* no audio frame */
1250 data_buf
= (uint8_t *)samples
;
1251 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
/2 * data_size
) /
1252 (ist
->st
->codec
->sample_rate
* ist
->st
->codec
->channels
);
1254 case CODEC_TYPE_VIDEO
:
1255 data_size
= (ist
->st
->codec
->width
* ist
->st
->codec
->height
* 3) / 2;
1256 /* XXX: allocate picture correctly */
1257 avcodec_get_frame_defaults(&picture
);
1259 ret
= avcodec_decode_video2(ist
->st
->codec
,
1260 &picture
, &got_picture
, &avpkt
);
1261 ist
->st
->quality
= picture
.quality
;
1265 /* no picture yet */
1266 goto discard_packet
;
1268 if (ist
->st
->codec
->time_base
.num
!= 0) {
1269 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1270 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1271 ist
->st
->codec
->time_base
.num
* ticks
) /
1272 ist
->st
->codec
->time_base
.den
;
1276 case CODEC_TYPE_SUBTITLE
:
1277 ret
= avcodec_decode_subtitle2(ist
->st
->codec
,
1278 &subtitle
, &got_subtitle
, &avpkt
);
1281 if (!got_subtitle
) {
1282 goto discard_packet
;
1284 subtitle_to_free
= &subtitle
;
1291 switch(ist
->st
->codec
->codec_type
) {
1292 case CODEC_TYPE_AUDIO
:
1293 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
* ist
->st
->codec
->frame_size
) /
1294 ist
->st
->codec
->sample_rate
;
1296 case CODEC_TYPE_VIDEO
:
1297 if (ist
->st
->codec
->time_base
.num
!= 0) {
1298 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1299 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1300 ist
->st
->codec
->time_base
.num
* ticks
) /
1301 ist
->st
->codec
->time_base
.den
;
1305 data_buf
= avpkt
.data
;
1306 data_size
= avpkt
.size
;
1311 buffer_to_free
= NULL
;
1312 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1313 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
1317 // preprocess audio (volume)
1318 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
) {
1319 if (audio_volume
!= 256) {
1322 for(i
=0;i
<(data_size
/ sizeof(short));i
++) {
1323 int v
= ((*volp
) * audio_volume
+ 128) >> 8;
1324 if (v
< -32768) v
= -32768;
1325 if (v
> 32767) v
= 32767;
1331 /* frame rate emulation */
1333 int64_t pts
= av_rescale(ist
->pts
, 1000000, AV_TIME_BASE
);
1334 int64_t now
= av_gettime() - ist
->start
;
1339 /* if output time reached then transcode raw format,
1340 encode packets and output them */
1341 if (start_time
== 0 || ist
->pts
>= start_time
)
1342 for(i
=0;i
<nb_ostreams
;i
++) {
1346 if (ost
->source_index
== ist_index
) {
1347 os
= output_files
[ost
->file_index
];
1350 printf("%d: got pts=%0.3f %0.3f\n", i
,
1351 (double)pkt
->pts
/ AV_TIME_BASE
,
1352 ((double)ist
->pts
/ AV_TIME_BASE
) -
1353 ((double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
));
1355 /* set the input output pts pairs */
1356 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1358 if (ost
->encoding_needed
) {
1359 switch(ost
->st
->codec
->codec_type
) {
1360 case CODEC_TYPE_AUDIO
:
1361 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
1363 case CODEC_TYPE_VIDEO
:
1364 do_video_out(os
, ost
, ist
, &picture
, &frame_size
);
1365 if (vstats_filename
&& frame_size
)
1366 do_video_stats(os
, ost
, frame_size
);
1368 case CODEC_TYPE_SUBTITLE
:
1369 do_subtitle_out(os
, ost
, ist
, &subtitle
,
1376 AVFrame avframe
; //FIXME/XXX remove this
1378 int64_t ost_tb_start_time
= av_rescale_q(start_time
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1380 av_init_packet(&opkt
);
1382 if ((!ost
->frame_number
&& !(pkt
->flags
& PKT_FLAG_KEY
)) && !copy_initial_nonkeyframes
)
1385 /* no reencoding needed : output the packet directly */
1386 /* force the input stream PTS */
1388 avcodec_get_frame_defaults(&avframe
);
1389 ost
->st
->codec
->coded_frame
= &avframe
;
1390 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1392 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
)
1393 audio_size
+= data_size
;
1394 else if (ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1395 video_size
+= data_size
;
1399 opkt
.stream_index
= ost
->index
;
1400 if(pkt
->pts
!= AV_NOPTS_VALUE
)
1401 opkt
.pts
= av_rescale_q(pkt
->pts
, ist
->st
->time_base
, ost
->st
->time_base
) - ost_tb_start_time
;
1403 opkt
.pts
= AV_NOPTS_VALUE
;
1405 if (pkt
->dts
== AV_NOPTS_VALUE
)
1406 opkt
.dts
= av_rescale_q(ist
->pts
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1408 opkt
.dts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, ost
->st
->time_base
);
1409 opkt
.dts
-= ost_tb_start_time
;
1411 opkt
.duration
= av_rescale_q(pkt
->duration
, ist
->st
->time_base
, ost
->st
->time_base
);
1412 opkt
.flags
= pkt
->flags
;
1414 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1415 if(av_parser_change(ist
->st
->parser
, ost
->st
->codec
, &opkt
.data
, &opkt
.size
, data_buf
, data_size
, pkt
->flags
& PKT_FLAG_KEY
))
1416 opkt
.destruct
= av_destruct_packet
;
1418 write_frame(os
, &opkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][opkt
.stream_index
]);
1419 ost
->st
->codec
->frame_number
++;
1420 ost
->frame_number
++;
1421 av_free_packet(&opkt
);
1425 av_free(buffer_to_free
);
1426 /* XXX: allocate the subtitles in the codec ? */
1427 if (subtitle_to_free
) {
1428 if (subtitle_to_free
->rects
!= NULL
) {
1429 for (i
= 0; i
< subtitle_to_free
->num_rects
; i
++) {
1430 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[0]);
1431 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[1]);
1432 av_freep(&subtitle_to_free
->rects
[i
]);
1434 av_freep(&subtitle_to_free
->rects
);
1436 subtitle_to_free
->num_rects
= 0;
1437 subtitle_to_free
= NULL
;
1444 for(i
=0;i
<nb_ostreams
;i
++) {
1446 if (ost
->source_index
== ist_index
) {
1447 AVCodecContext
*enc
= ost
->st
->codec
;
1448 os
= output_files
[ost
->file_index
];
1450 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& enc
->frame_size
<=1)
1452 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& (os
->oformat
->flags
& AVFMT_RAWPICTURE
))
1455 if (ost
->encoding_needed
) {
1459 av_init_packet(&pkt
);
1460 pkt
.stream_index
= ost
->index
;
1462 switch(ost
->st
->codec
->codec_type
) {
1463 case CODEC_TYPE_AUDIO
:
1464 fifo_bytes
= av_fifo_size(ost
->fifo
);
1466 /* encode any samples remaining in fifo */
1467 if(fifo_bytes
> 0 && enc
->codec
->capabilities
& CODEC_CAP_SMALL_LAST_FRAME
) {
1468 int osize
= av_get_bits_per_sample_format(enc
->sample_fmt
) >> 3;
1469 int fs_tmp
= enc
->frame_size
;
1470 enc
->frame_size
= fifo_bytes
/ (osize
* enc
->channels
);
1471 av_fifo_generic_read(ost
->fifo
, samples
, fifo_bytes
, NULL
);
1472 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, samples
);
1473 pkt
.duration
= av_rescale((int64_t)enc
->frame_size
*ost
->st
->time_base
.den
,
1474 ost
->st
->time_base
.num
, enc
->sample_rate
);
1475 enc
->frame_size
= fs_tmp
;
1478 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1481 fprintf(stderr
, "Audio encoding failed\n");
1485 pkt
.flags
|= PKT_FLAG_KEY
;
1487 case CODEC_TYPE_VIDEO
:
1488 ret
= avcodec_encode_video(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1490 fprintf(stderr
, "Video encoding failed\n");
1494 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
1495 pkt
.flags
|= PKT_FLAG_KEY
;
1496 if (ost
->logfile
&& enc
->stats_out
) {
1497 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1506 pkt
.data
= bit_buffer
;
1508 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
1509 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
1510 write_frame(os
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1522 static void print_sdp(AVFormatContext
**avc
, int n
)
1526 avf_sdp_create(avc
, n
, sdp
, sizeof(sdp
));
1527 printf("SDP:\n%s\n", sdp
);
1531 static int stream_index_from_inputs(AVFormatContext
**input_files
,
1533 AVInputFile
*file_table
,
1534 AVInputStream
**ist_table
,
1535 enum CodecType type
,
1539 for(z
=0; z
<nb_input_files
; z
++) {
1540 AVFormatContext
*ic
= input_files
[z
];
1541 for(p
=0; p
<ic
->nb_programs
; p
++) {
1542 AVProgram
*program
= ic
->programs
[p
];
1543 if(program
->id
!= programid
)
1545 for(q
=0; q
<program
->nb_stream_indexes
; q
++) {
1546 int sidx
= program
->stream_index
[q
];
1547 int ris
= file_table
[z
].ist_index
+ sidx
;
1548 if(ist_table
[ris
]->discard
&& ic
->streams
[sidx
]->codec
->codec_type
== type
)
1558 * The following code is the main loop of the file converter
1560 static int av_encode(AVFormatContext
**output_files
,
1561 int nb_output_files
,
1562 AVFormatContext
**input_files
,
1564 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1566 int ret
= 0, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1567 AVFormatContext
*is
, *os
;
1568 AVCodecContext
*codec
, *icodec
;
1569 AVOutputStream
*ost
, **ost_table
= NULL
;
1570 AVInputStream
*ist
, **ist_table
= NULL
;
1571 AVInputFile
*file_table
;
1575 uint8_t no_packet
[MAX_FILES
]={0};
1576 int no_packet_count
=0;
1578 file_table
= av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1582 /* input stream init */
1584 for(i
=0;i
<nb_input_files
;i
++) {
1585 is
= input_files
[i
];
1586 file_table
[i
].ist_index
= j
;
1587 file_table
[i
].nb_streams
= is
->nb_streams
;
1588 j
+= is
->nb_streams
;
1592 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1596 for(i
=0;i
<nb_istreams
;i
++) {
1597 ist
= av_mallocz(sizeof(AVInputStream
));
1603 for(i
=0;i
<nb_input_files
;i
++) {
1604 is
= input_files
[i
];
1605 for(k
=0;k
<is
->nb_streams
;k
++) {
1606 ist
= ist_table
[j
++];
1607 ist
->st
= is
->streams
[k
];
1608 ist
->file_index
= i
;
1610 ist
->discard
= 1; /* the stream is discarded by default
1614 ist
->start
= av_gettime();
1619 /* output stream init */
1621 for(i
=0;i
<nb_output_files
;i
++) {
1622 os
= output_files
[i
];
1623 if (!os
->nb_streams
) {
1624 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1625 fprintf(stderr
, "Output file #%d does not contain any stream\n", i
);
1628 nb_ostreams
+= os
->nb_streams
;
1630 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1631 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1635 /* Sanity check the mapping args -- do the input files & streams exist? */
1636 for(i
=0;i
<nb_stream_maps
;i
++) {
1637 int fi
= stream_maps
[i
].file_index
;
1638 int si
= stream_maps
[i
].stream_index
;
1640 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1641 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1642 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1645 fi
= stream_maps
[i
].sync_file_index
;
1646 si
= stream_maps
[i
].sync_stream_index
;
1647 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1648 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1649 fprintf(stderr
,"Could not find sync stream #%d.%d\n", fi
, si
);
1654 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1657 for(i
=0;i
<nb_ostreams
;i
++) {
1658 ost
= av_mallocz(sizeof(AVOutputStream
));
1665 for(k
=0;k
<nb_output_files
;k
++) {
1666 os
= output_files
[k
];
1667 for(i
=0;i
<os
->nb_streams
;i
++,n
++) {
1670 ost
->file_index
= k
;
1672 ost
->st
= os
->streams
[i
];
1673 if (nb_stream_maps
> 0) {
1674 ost
->source_index
= file_table
[stream_maps
[n
].file_index
].ist_index
+
1675 stream_maps
[n
].stream_index
;
1677 /* Sanity check that the stream types match */
1678 if (ist_table
[ost
->source_index
]->st
->codec
->codec_type
!= ost
->st
->codec
->codec_type
) {
1679 int i
= ost
->file_index
;
1680 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1681 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1682 stream_maps
[n
].file_index
, stream_maps
[n
].stream_index
,
1683 ost
->file_index
, ost
->index
);
1690 j
= stream_index_from_inputs(input_files
, nb_input_files
, file_table
, ist_table
, ost
->st
->codec
->codec_type
, opt_programid
);
1692 ost
->source_index
= j
;
1696 /* get corresponding input stream index : we select the first one with the right type */
1698 for(j
=0;j
<nb_istreams
;j
++) {
1701 ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1702 ost
->source_index
= j
;
1710 if(! opt_programid
) {
1711 /* try again and reuse existing stream */
1712 for(j
=0;j
<nb_istreams
;j
++) {
1714 if (ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1715 ost
->source_index
= j
;
1721 int i
= ost
->file_index
;
1722 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1723 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1724 ost
->file_index
, ost
->index
);
1729 ist
= ist_table
[ost
->source_index
];
1731 ost
->sync_ist
= (nb_stream_maps
> 0) ?
1732 ist_table
[file_table
[stream_maps
[n
].sync_file_index
].ist_index
+
1733 stream_maps
[n
].sync_stream_index
] : ist
;
1737 /* for each output stream, we compute the right encoding parameters */
1738 for(i
=0;i
<nb_ostreams
;i
++) {
1739 AVMetadataTag
*lang
;
1741 os
= output_files
[ost
->file_index
];
1742 ist
= ist_table
[ost
->source_index
];
1744 codec
= ost
->st
->codec
;
1745 icodec
= ist
->st
->codec
;
1747 if ((lang
=av_metadata_get(ist
->st
->metadata
, "language", NULL
, 0))
1748 && !av_metadata_get(ost
->st
->metadata
, "language", NULL
, 0))
1749 av_metadata_set(&ost
->st
->metadata
, "language", lang
->value
);
1751 ost
->st
->disposition
= ist
->st
->disposition
;
1752 codec
->bits_per_raw_sample
= icodec
->bits_per_raw_sample
;
1753 codec
->chroma_sample_location
= icodec
->chroma_sample_location
;
1755 if (ost
->st
->stream_copy
) {
1756 /* if stream_copy is selected, no need to decode or encode */
1757 codec
->codec_id
= icodec
->codec_id
;
1758 codec
->codec_type
= icodec
->codec_type
;
1760 if(!codec
->codec_tag
){
1761 if( !os
->oformat
->codec_tag
1762 || av_codec_get_id (os
->oformat
->codec_tag
, icodec
->codec_tag
) > 0
1763 || av_codec_get_tag(os
->oformat
->codec_tag
, icodec
->codec_id
) <= 0)
1764 codec
->codec_tag
= icodec
->codec_tag
;
1767 codec
->bit_rate
= icodec
->bit_rate
;
1768 codec
->extradata
= icodec
->extradata
;
1769 codec
->extradata_size
= icodec
->extradata_size
;
1770 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){
1771 codec
->time_base
= icodec
->time_base
;
1772 codec
->time_base
.num
*= icodec
->ticks_per_frame
;
1774 codec
->time_base
= ist
->st
->time_base
;
1775 switch(codec
->codec_type
) {
1776 case CODEC_TYPE_AUDIO
:
1777 if(audio_volume
!= 256) {
1778 fprintf(stderr
,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1781 codec
->channel_layout
= icodec
->channel_layout
;
1782 codec
->sample_rate
= icodec
->sample_rate
;
1783 codec
->channels
= icodec
->channels
;
1784 codec
->frame_size
= icodec
->frame_size
;
1785 codec
->block_align
= icodec
->block_align
;
1786 if(codec
->block_align
== 1 && codec
->codec_id
== CODEC_ID_MP3
)
1787 codec
->block_align
= 0;
1788 if(codec
->codec_id
== CODEC_ID_AC3
)
1789 codec
->block_align
= 0;
1791 case CODEC_TYPE_VIDEO
:
1792 codec
->pix_fmt
= icodec
->pix_fmt
;
1793 codec
->width
= icodec
->width
;
1794 codec
->height
= icodec
->height
;
1795 codec
->has_b_frames
= icodec
->has_b_frames
;
1797 case CODEC_TYPE_SUBTITLE
:
1798 codec
->width
= icodec
->width
;
1799 codec
->height
= icodec
->height
;
1805 switch(codec
->codec_type
) {
1806 case CODEC_TYPE_AUDIO
:
1807 ost
->fifo
= av_fifo_alloc(1024);
1810 ost
->reformat_pair
= MAKE_SFMT_PAIR(SAMPLE_FMT_NONE
,SAMPLE_FMT_NONE
);
1811 ost
->audio_resample
= codec
->sample_rate
!= icodec
->sample_rate
|| audio_sync_method
> 1;
1812 icodec
->request_channels
= codec
->channels
;
1813 ist
->decoding_needed
= 1;
1814 ost
->encoding_needed
= 1;
1816 case CODEC_TYPE_VIDEO
:
1817 ost
->video_crop
= ((frame_leftBand
+ frame_rightBand
+ frame_topBand
+ frame_bottomBand
) != 0);
1818 ost
->video_pad
= ((frame_padleft
+ frame_padright
+ frame_padtop
+ frame_padbottom
) != 0);
1819 ost
->video_resample
= ((codec
->width
!= icodec
->width
-
1820 (frame_leftBand
+ frame_rightBand
) +
1821 (frame_padleft
+ frame_padright
)) ||
1822 (codec
->height
!= icodec
->height
-
1823 (frame_topBand
+ frame_bottomBand
) +
1824 (frame_padtop
+ frame_padbottom
)) ||
1825 (codec
->pix_fmt
!= icodec
->pix_fmt
));
1826 if (ost
->video_crop
) {
1827 ost
->topBand
= frame_topBand
;
1828 ost
->leftBand
= frame_leftBand
;
1830 if (ost
->video_pad
) {
1831 ost
->padtop
= frame_padtop
;
1832 ost
->padleft
= frame_padleft
;
1833 ost
->padbottom
= frame_padbottom
;
1834 ost
->padright
= frame_padright
;
1835 if (!ost
->video_resample
) {
1836 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1837 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1838 codec
->width
, codec
->height
))
1842 if (ost
->video_resample
) {
1843 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1844 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1845 codec
->width
, codec
->height
)) {
1846 fprintf(stderr
, "Cannot allocate temp picture, check pix fmt\n");
1849 sws_flags
= av_get_int(sws_opts
, "sws_flags", NULL
);
1850 ost
->img_resample_ctx
= sws_getContext(
1851 icodec
->width
- (frame_leftBand
+ frame_rightBand
),
1852 icodec
->height
- (frame_topBand
+ frame_bottomBand
),
1854 codec
->width
- (frame_padleft
+ frame_padright
),
1855 codec
->height
- (frame_padtop
+ frame_padbottom
),
1857 sws_flags
, NULL
, NULL
, NULL
);
1858 if (ost
->img_resample_ctx
== NULL
) {
1859 fprintf(stderr
, "Cannot get resampling context\n");
1862 ost
->resample_height
= icodec
->height
- (frame_topBand
+ frame_bottomBand
);
1863 codec
->bits_per_raw_sample
= 0;
1865 ost
->encoding_needed
= 1;
1866 ist
->decoding_needed
= 1;
1868 case CODEC_TYPE_SUBTITLE
:
1869 ost
->encoding_needed
= 1;
1870 ist
->decoding_needed
= 1;
1877 if (ost
->encoding_needed
&&
1878 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1879 char logfilename
[1024];
1884 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1885 pass_logfilename_prefix
? pass_logfilename_prefix
: DEFAULT_PASS_LOGFILENAME_PREFIX
,
1887 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1888 f
= fopen(logfilename
, "w");
1890 fprintf(stderr
, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename
, strerror(errno
));
1895 /* read the log file */
1896 f
= fopen(logfilename
, "r");
1898 fprintf(stderr
, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename
, strerror(errno
));
1901 fseek(f
, 0, SEEK_END
);
1903 fseek(f
, 0, SEEK_SET
);
1904 logbuffer
= av_malloc(size
+ 1);
1906 fprintf(stderr
, "Could not allocate log buffer\n");
1909 size
= fread(logbuffer
, 1, size
, f
);
1911 logbuffer
[size
] = '\0';
1912 codec
->stats_in
= logbuffer
;
1916 if(codec
->codec_type
== CODEC_TYPE_VIDEO
){
1917 int size
= codec
->width
* codec
->height
;
1918 bit_buffer_size
= FFMAX(bit_buffer_size
, 6*size
+ 200);
1923 bit_buffer
= av_malloc(bit_buffer_size
);
1925 ret
= AVERROR(ENOMEM
);
1929 /* open each encoder */
1930 for(i
=0;i
<nb_ostreams
;i
++) {
1932 if (ost
->encoding_needed
) {
1933 AVCodec
*codec
= output_codecs
[i
];
1935 codec
= avcodec_find_encoder(ost
->st
->codec
->codec_id
);
1937 snprintf(error
, sizeof(error
), "Unsupported codec for output stream #%d.%d",
1938 ost
->file_index
, ost
->index
);
1939 ret
= AVERROR(EINVAL
);
1942 if (avcodec_open(ost
->st
->codec
, codec
) < 0) {
1943 snprintf(error
, sizeof(error
), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1944 ost
->file_index
, ost
->index
);
1945 ret
= AVERROR(EINVAL
);
1948 extra_size
+= ost
->st
->codec
->extradata_size
;
1952 /* open each decoder */
1953 for(i
=0;i
<nb_istreams
;i
++) {
1955 if (ist
->decoding_needed
) {
1956 AVCodec
*codec
= input_codecs
[i
];
1958 codec
= avcodec_find_decoder(ist
->st
->codec
->codec_id
);
1960 snprintf(error
, sizeof(error
), "Unsupported codec (id=%d) for input stream #%d.%d",
1961 ist
->st
->codec
->codec_id
, ist
->file_index
, ist
->index
);
1962 ret
= AVERROR(EINVAL
);
1965 if (avcodec_open(ist
->st
->codec
, codec
) < 0) {
1966 snprintf(error
, sizeof(error
), "Error while opening codec for input stream #%d.%d",
1967 ist
->file_index
, ist
->index
);
1968 ret
= AVERROR(EINVAL
);
1971 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1972 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1977 for(i
=0;i
<nb_istreams
;i
++) {
1980 ist
->next_pts
= AV_NOPTS_VALUE
;
1984 /* set meta data information from input file if required */
1985 for (i
=0;i
<nb_meta_data_maps
;i
++) {
1986 AVFormatContext
*out_file
;
1987 AVFormatContext
*in_file
;
1988 AVMetadataTag
*mtag
;
1990 int out_file_index
= meta_data_maps
[i
].out_file
;
1991 int in_file_index
= meta_data_maps
[i
].in_file
;
1992 if (out_file_index
< 0 || out_file_index
>= nb_output_files
) {
1993 snprintf(error
, sizeof(error
), "Invalid output file index %d map_meta_data(%d,%d)",
1994 out_file_index
, out_file_index
, in_file_index
);
1995 ret
= AVERROR(EINVAL
);
1998 if (in_file_index
< 0 || in_file_index
>= nb_input_files
) {
1999 snprintf(error
, sizeof(error
), "Invalid input file index %d map_meta_data(%d,%d)",
2000 in_file_index
, out_file_index
, in_file_index
);
2001 ret
= AVERROR(EINVAL
);
2005 out_file
= output_files
[out_file_index
];
2006 in_file
= input_files
[in_file_index
];
2010 while((mtag
=av_metadata_get(in_file
->metadata
, "", mtag
, AV_METADATA_IGNORE_SUFFIX
)))
2011 av_metadata_set(&out_file
->metadata
, mtag
->key
, mtag
->value
);
2012 av_metadata_conv(out_file
, out_file
->oformat
->metadata_conv
,
2013 in_file
->iformat
->metadata_conv
);
2016 /* open files and write file headers */
2017 for(i
=0;i
<nb_output_files
;i
++) {
2018 os
= output_files
[i
];
2019 if (av_write_header(os
) < 0) {
2020 snprintf(error
, sizeof(error
), "Could not write header for output file #%d (incorrect codec parameters ?)", i
);
2021 ret
= AVERROR(EINVAL
);
2024 if (strcmp(output_files
[i
]->oformat
->name
, "rtp")) {
2030 /* dump the file output parameters - cannot be done before in case
2032 for(i
=0;i
<nb_output_files
;i
++) {
2033 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
2036 /* dump the stream mapping */
2038 fprintf(stderr
, "Stream mapping:\n");
2039 for(i
=0;i
<nb_ostreams
;i
++) {
2041 fprintf(stderr
, " Stream #%d.%d -> #%d.%d",
2042 ist_table
[ost
->source_index
]->file_index
,
2043 ist_table
[ost
->source_index
]->index
,
2046 if (ost
->sync_ist
!= ist_table
[ost
->source_index
])
2047 fprintf(stderr
, " [sync #%d.%d]",
2048 ost
->sync_ist
->file_index
,
2049 ost
->sync_ist
->index
);
2050 fprintf(stderr
, "\n");
2055 fprintf(stderr
, "%s\n", error
);
2060 print_sdp(output_files
, nb_output_files
);
2063 if (!using_stdin
&& verbose
>= 0) {
2064 fprintf(stderr
, "Press [q] to stop encoding\n");
2065 url_set_interrupt_cb(decode_interrupt_cb
);
2069 timer_start
= av_gettime();
2071 for(; received_sigterm
== 0;) {
2072 int file_index
, ist_index
;
2080 /* if 'q' pressed, exits */
2084 /* read_key() returns 0 on EOF */
2090 /* select the stream that we must read now by looking at the
2091 smallest output pts */
2093 for(i
=0;i
<nb_ostreams
;i
++) {
2096 os
= output_files
[ost
->file_index
];
2097 ist
= ist_table
[ost
->source_index
];
2098 if(no_packet
[ist
->file_index
])
2100 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
)
2101 opts
= ost
->sync_opts
* av_q2d(ost
->st
->codec
->time_base
);
2103 opts
= ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
2104 ipts
= (double)ist
->pts
;
2105 if (!file_table
[ist
->file_index
].eof_reached
){
2106 if(ipts
< ipts_min
) {
2108 if(input_sync
) file_index
= ist
->file_index
;
2110 if(opts
< opts_min
) {
2112 if(!input_sync
) file_index
= ist
->file_index
;
2115 if(ost
->frame_number
>= max_frames
[ost
->st
->codec
->codec_type
]){
2120 /* if none, if is finished */
2121 if (file_index
< 0) {
2122 if(no_packet_count
){
2124 memset(no_packet
, 0, sizeof(no_packet
));
2131 /* finish if recording time exhausted */
2132 if (opts_min
>= (recording_time
/ 1000000.0))
2135 /* finish if limit size exhausted */
2136 if (limit_filesize
!= 0 && limit_filesize
< url_ftell(output_files
[0]->pb
))
2139 /* read a frame from it and output it in the fifo */
2140 is
= input_files
[file_index
];
2141 ret
= av_read_frame(is
, &pkt
);
2142 if(ret
== AVERROR(EAGAIN
)){
2143 no_packet
[file_index
]=1;
2148 file_table
[file_index
].eof_reached
= 1;
2156 memset(no_packet
, 0, sizeof(no_packet
));
2159 av_pkt_dump_log(NULL
, AV_LOG_DEBUG
, &pkt
, do_hex_dump
);
2161 /* the following test is needed in case new streams appear
2162 dynamically in stream : we ignore them */
2163 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
2164 goto discard_packet
;
2165 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
2166 ist
= ist_table
[ist_index
];
2168 goto discard_packet
;
2170 if (pkt
.dts
!= AV_NOPTS_VALUE
)
2171 pkt
.dts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2172 if (pkt
.pts
!= AV_NOPTS_VALUE
)
2173 pkt
.pts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2175 if(input_files_ts_scale
[file_index
][pkt
.stream_index
]){
2176 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2177 pkt
.pts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2178 if(pkt
.dts
!= AV_NOPTS_VALUE
)
2179 pkt
.dts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2182 // 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);
2183 if (pkt
.dts
!= AV_NOPTS_VALUE
&& ist
->next_pts
!= AV_NOPTS_VALUE
2184 && (is
->iformat
->flags
& AVFMT_TS_DISCONT
)) {
2185 int64_t pkt_dts
= av_rescale_q(pkt
.dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
2186 int64_t delta
= pkt_dts
- ist
->next_pts
;
2187 if((FFABS(delta
) > 1LL*dts_delta_threshold
*AV_TIME_BASE
|| pkt_dts
+1<ist
->pts
)&& !copy_ts
){
2188 input_files_ts_offset
[ist
->file_index
]-= delta
;
2190 fprintf(stderr
, "timestamp discontinuity %"PRId64
", new offset= %"PRId64
"\n", delta
, input_files_ts_offset
[ist
->file_index
]);
2191 pkt
.dts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2192 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2193 pkt
.pts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2197 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2198 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
2201 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
2202 ist
->file_index
, ist
->index
);
2205 av_free_packet(&pkt
);
2210 av_free_packet(&pkt
);
2212 /* dump report by using the output first video and audio streams */
2213 print_report(output_files
, ost_table
, nb_ostreams
, 0);
2216 /* at the end of stream, we must flush the decoder buffers */
2217 for(i
=0;i
<nb_istreams
;i
++) {
2219 if (ist
->decoding_needed
) {
2220 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
2226 /* write the trailer if needed and close file */
2227 for(i
=0;i
<nb_output_files
;i
++) {
2228 os
= output_files
[i
];
2229 av_write_trailer(os
);
2232 /* dump report by using the first video and audio streams */
2233 print_report(output_files
, ost_table
, nb_ostreams
, 1);
2235 /* close each encoder */
2236 for(i
=0;i
<nb_ostreams
;i
++) {
2238 if (ost
->encoding_needed
) {
2239 av_freep(&ost
->st
->codec
->stats_in
);
2240 avcodec_close(ost
->st
->codec
);
2244 /* close each decoder */
2245 for(i
=0;i
<nb_istreams
;i
++) {
2247 if (ist
->decoding_needed
) {
2248 avcodec_close(ist
->st
->codec
);
2256 av_freep(&bit_buffer
);
2257 av_free(file_table
);
2260 for(i
=0;i
<nb_istreams
;i
++) {
2267 for(i
=0;i
<nb_ostreams
;i
++) {
2271 fclose(ost
->logfile
);
2272 ost
->logfile
= NULL
;
2274 av_fifo_free(ost
->fifo
); /* works even if fifo is not
2275 initialized but set to zero */
2276 av_free(ost
->pict_tmp
.data
[0]);
2277 if (ost
->video_resample
)
2278 sws_freeContext(ost
->img_resample_ctx
);
2280 audio_resample_close(ost
->resample
);
2281 if (ost
->reformat_ctx
)
2282 av_audio_convert_free(ost
->reformat_ctx
);
2292 int file_read(const char *filename
)
2295 unsigned char buffer
[1024];
2298 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
2299 printf("could not open '%s'\n", filename
);
2303 len
= url_read(h
, buffer
, sizeof(buffer
));
2306 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
2313 static void opt_format(const char *arg
)
2315 /* compatibility stuff for pgmyuv */
2316 if (!strcmp(arg
, "pgmyuv")) {
2317 pgmyuv_compatibility_hack
=1;
2318 // opt_image_format(arg);
2320 fprintf(stderr
, "pgmyuv format is deprecated, use image2\n");
2323 file_iformat
= av_find_input_format(arg
);
2324 file_oformat
= guess_format(arg
, NULL
, NULL
);
2325 if (!file_iformat
&& !file_oformat
) {
2326 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
2331 static void opt_video_rc_override_string(const char *arg
)
2333 video_rc_override_string
= arg
;
2336 static int opt_me_threshold(const char *opt
, const char *arg
)
2338 me_threshold
= parse_number_or_die(opt
, arg
, OPT_INT64
, INT_MIN
, INT_MAX
);
2342 static int opt_loglevel(const char *opt
, const char *arg
)
2344 int level
= parse_number_or_die(opt
, arg
, OPT_INT
, INT_MIN
, INT_MAX
);
2345 av_log_set_level(level
);
2349 static int opt_verbose(const char *opt
, const char *arg
)
2351 verbose
= parse_number_or_die(opt
, arg
, OPT_INT64
, -10, 10);
2355 static int opt_frame_rate(const char *opt
, const char *arg
)
2357 if (av_parse_video_frame_rate(&frame_rate
, arg
) < 0) {
2358 fprintf(stderr
, "Incorrect value for %s: %s\n", opt
, arg
);
2364 static int opt_bitrate(const char *opt
, const char *arg
)
2366 int codec_type
= opt
[0]=='a' ? CODEC_TYPE_AUDIO
: CODEC_TYPE_VIDEO
;
2368 opt_default(opt
, arg
);
2370 if (av_get_int(avcodec_opts
[codec_type
], "b", NULL
) < 1000)
2371 fprintf(stderr
, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2376 static void opt_frame_crop_top(const char *arg
)
2378 frame_topBand
= atoi(arg
);
2379 if (frame_topBand
< 0) {
2380 fprintf(stderr
, "Incorrect top crop size\n");
2383 if ((frame_topBand
% 2) != 0) {
2384 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
2387 if ((frame_topBand
) >= frame_height
){
2388 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2391 frame_height
-= frame_topBand
;
2394 static void opt_frame_crop_bottom(const char *arg
)
2396 frame_bottomBand
= atoi(arg
);
2397 if (frame_bottomBand
< 0) {
2398 fprintf(stderr
, "Incorrect bottom crop size\n");
2401 if ((frame_bottomBand
% 2) != 0) {
2402 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
2405 if ((frame_bottomBand
) >= frame_height
){
2406 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2409 frame_height
-= frame_bottomBand
;
2412 static void opt_frame_crop_left(const char *arg
)
2414 frame_leftBand
= atoi(arg
);
2415 if (frame_leftBand
< 0) {
2416 fprintf(stderr
, "Incorrect left crop size\n");
2419 if ((frame_leftBand
% 2) != 0) {
2420 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
2423 if ((frame_leftBand
) >= frame_width
){
2424 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2427 frame_width
-= frame_leftBand
;
2430 static void opt_frame_crop_right(const char *arg
)
2432 frame_rightBand
= atoi(arg
);
2433 if (frame_rightBand
< 0) {
2434 fprintf(stderr
, "Incorrect right crop size\n");
2437 if ((frame_rightBand
% 2) != 0) {
2438 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
2441 if ((frame_rightBand
) >= frame_width
){
2442 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2445 frame_width
-= frame_rightBand
;
2448 static void opt_frame_size(const char *arg
)
2450 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2451 fprintf(stderr
, "Incorrect frame size\n");
2454 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2455 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2460 static void opt_pad_color(const char *arg
) {
2461 /* Input is expected to be six hex digits similar to
2462 how colors are expressed in html tags (but without the #) */
2463 int rgb
= strtol(arg
, NULL
, 16);
2467 g
= ((rgb
>> 8) & 255);
2470 padcolor
[0] = RGB_TO_Y(r
,g
,b
);
2471 padcolor
[1] = RGB_TO_U(r
,g
,b
,0);
2472 padcolor
[2] = RGB_TO_V(r
,g
,b
,0);
2475 static void opt_frame_pad_top(const char *arg
)
2477 frame_padtop
= atoi(arg
);
2478 if (frame_padtop
< 0) {
2479 fprintf(stderr
, "Incorrect top pad size\n");
2482 if ((frame_padtop
% 2) != 0) {
2483 fprintf(stderr
, "Top pad size must be a multiple of 2\n");
2488 static void opt_frame_pad_bottom(const char *arg
)
2490 frame_padbottom
= atoi(arg
);
2491 if (frame_padbottom
< 0) {
2492 fprintf(stderr
, "Incorrect bottom pad size\n");
2495 if ((frame_padbottom
% 2) != 0) {
2496 fprintf(stderr
, "Bottom pad size must be a multiple of 2\n");
2502 static void opt_frame_pad_left(const char *arg
)
2504 frame_padleft
= atoi(arg
);
2505 if (frame_padleft
< 0) {
2506 fprintf(stderr
, "Incorrect left pad size\n");
2509 if ((frame_padleft
% 2) != 0) {
2510 fprintf(stderr
, "Left pad size must be a multiple of 2\n");
2516 static void opt_frame_pad_right(const char *arg
)
2518 frame_padright
= atoi(arg
);
2519 if (frame_padright
< 0) {
2520 fprintf(stderr
, "Incorrect right pad size\n");
2523 if ((frame_padright
% 2) != 0) {
2524 fprintf(stderr
, "Right pad size must be a multiple of 2\n");
2529 static void list_fmts(void (*get_fmt_string
)(char *buf
, int buf_size
, int fmt
), int nb_fmts
)
2533 for (i
=-1; i
< nb_fmts
; i
++) {
2534 get_fmt_string (fmt_str
, sizeof(fmt_str
), i
);
2535 fprintf(stdout
, "%s\n", fmt_str
);
2539 static void opt_frame_pix_fmt(const char *arg
)
2541 if (strcmp(arg
, "list")) {
2542 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2543 if (frame_pix_fmt
== PIX_FMT_NONE
) {
2544 fprintf(stderr
, "Unknown pixel format requested: %s\n", arg
);
2548 list_fmts(avcodec_pix_fmt_string
, PIX_FMT_NB
);
2553 static void opt_frame_aspect_ratio(const char *arg
)
2560 p
= strchr(arg
, ':');
2562 x
= strtol(arg
, &end
, 10);
2564 y
= strtol(end
+1, &end
, 10);
2566 ar
= (double)x
/ (double)y
;
2568 ar
= strtod(arg
, NULL
);
2571 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
2574 frame_aspect_ratio
= ar
;
2577 static int opt_metadata(const char *opt
, const char *arg
)
2579 char *mid
= strchr(arg
, '=');
2582 fprintf(stderr
, "Missing =\n");
2588 metadata
= av_realloc(metadata
, sizeof(*metadata
)*metadata_count
);
2589 metadata
[metadata_count
-1].key
= av_strdup(arg
);
2590 metadata
[metadata_count
-1].value
= av_strdup(mid
);
2595 static void opt_qscale(const char *arg
)
2597 video_qscale
= atof(arg
);
2598 if (video_qscale
<= 0 ||
2599 video_qscale
> 255) {
2600 fprintf(stderr
, "qscale must be > 0.0 and <= 255\n");
2605 static void opt_top_field_first(const char *arg
)
2607 top_field_first
= atoi(arg
);
2610 static int opt_thread_count(const char *opt
, const char *arg
)
2612 thread_count
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2615 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2620 static void opt_audio_sample_fmt(const char *arg
)
2622 if (strcmp(arg
, "list"))
2623 audio_sample_fmt
= avcodec_get_sample_fmt(arg
);
2625 list_fmts(avcodec_sample_fmt_string
, SAMPLE_FMT_NB
);
2630 static int opt_audio_rate(const char *opt
, const char *arg
)
2632 audio_sample_rate
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2636 static int opt_audio_channels(const char *opt
, const char *arg
)
2638 audio_channels
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2642 static void opt_video_channel(const char *arg
)
2644 video_channel
= strtol(arg
, NULL
, 0);
2647 static void opt_video_standard(const char *arg
)
2649 video_standard
= av_strdup(arg
);
2652 static void opt_codec(int *pstream_copy
, char **pcodec_name
,
2653 int codec_type
, const char *arg
)
2655 av_freep(pcodec_name
);
2656 if (!strcmp(arg
, "copy")) {
2659 *pcodec_name
= av_strdup(arg
);
2663 static void opt_audio_codec(const char *arg
)
2665 opt_codec(&audio_stream_copy
, &audio_codec_name
, CODEC_TYPE_AUDIO
, arg
);
2668 static void opt_audio_tag(const char *arg
)
2671 audio_codec_tag
= strtol(arg
, &tail
, 0);
2674 audio_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2677 static void opt_video_tag(const char *arg
)
2680 video_codec_tag
= strtol(arg
, &tail
, 0);
2683 video_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2686 static void opt_video_codec(const char *arg
)
2688 opt_codec(&video_stream_copy
, &video_codec_name
, CODEC_TYPE_VIDEO
, arg
);
2691 static void opt_subtitle_codec(const char *arg
)
2693 opt_codec(&subtitle_stream_copy
, &subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, arg
);
2696 static void opt_subtitle_tag(const char *arg
)
2699 subtitle_codec_tag
= strtol(arg
, &tail
, 0);
2702 subtitle_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2705 static void opt_map(const char *arg
)
2710 m
= &stream_maps
[nb_stream_maps
++];
2712 m
->file_index
= strtol(arg
, &p
, 0);
2716 m
->stream_index
= strtol(p
, &p
, 0);
2719 m
->sync_file_index
= strtol(p
, &p
, 0);
2722 m
->sync_stream_index
= strtol(p
, &p
, 0);
2724 m
->sync_file_index
= m
->file_index
;
2725 m
->sync_stream_index
= m
->stream_index
;
2729 static void opt_map_meta_data(const char *arg
)
2734 m
= &meta_data_maps
[nb_meta_data_maps
++];
2736 m
->out_file
= strtol(arg
, &p
, 0);
2740 m
->in_file
= strtol(p
, &p
, 0);
2743 static void opt_input_ts_scale(const char *arg
)
2745 unsigned int stream
;
2749 stream
= strtol(arg
, &p
, 0);
2752 scale
= strtod(p
, &p
);
2754 if(stream
>= MAX_STREAMS
)
2757 input_files_ts_scale
[nb_input_files
][stream
]= scale
;
2760 static int opt_recording_time(const char *opt
, const char *arg
)
2762 recording_time
= parse_time_or_die(opt
, arg
, 1);
2766 static int opt_start_time(const char *opt
, const char *arg
)
2768 start_time
= parse_time_or_die(opt
, arg
, 1);
2772 static int opt_rec_timestamp(const char *opt
, const char *arg
)
2774 rec_timestamp
= parse_time_or_die(opt
, arg
, 0) / 1000000;
2778 static int opt_input_ts_offset(const char *opt
, const char *arg
)
2780 input_ts_offset
= parse_time_or_die(opt
, arg
, 1);
2784 static enum CodecID
find_codec_or_die(const char *name
, int type
, int encoder
)
2786 const char *codec_string
= encoder
? "encoder" : "decoder";
2790 return CODEC_ID_NONE
;
2792 avcodec_find_encoder_by_name(name
) :
2793 avcodec_find_decoder_by_name(name
);
2795 fprintf(stderr
, "Unknown %s '%s'\n", codec_string
, name
);
2798 if(codec
->type
!= type
) {
2799 fprintf(stderr
, "Invalid %s type '%s'\n", codec_string
, name
);
2805 static void opt_input_file(const char *filename
)
2807 AVFormatContext
*ic
;
2808 AVFormatParameters params
, *ap
= ¶ms
;
2809 int err
, i
, ret
, rfps
, rfps_base
;
2812 if (!strcmp(filename
, "-"))
2815 using_stdin
|= !strncmp(filename
, "pipe:", 5) ||
2816 !strcmp(filename
, "/dev/stdin");
2818 /* get default parameters from command line */
2819 ic
= avformat_alloc_context();
2821 memset(ap
, 0, sizeof(*ap
));
2822 ap
->prealloced_context
= 1;
2823 ap
->sample_rate
= audio_sample_rate
;
2824 ap
->channels
= audio_channels
;
2825 ap
->time_base
.den
= frame_rate
.num
;
2826 ap
->time_base
.num
= frame_rate
.den
;
2827 ap
->width
= frame_width
+ frame_padleft
+ frame_padright
;
2828 ap
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2829 ap
->pix_fmt
= frame_pix_fmt
;
2830 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2831 ap
->channel
= video_channel
;
2832 ap
->standard
= video_standard
;
2833 ap
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2834 ap
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2835 if(pgmyuv_compatibility_hack
)
2836 ap
->video_codec_id
= CODEC_ID_PGMYUV
;
2838 set_context_opts(ic
, avformat_opts
, AV_OPT_FLAG_DECODING_PARAM
);
2840 ic
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2841 ic
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2842 ic
->subtitle_codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 0);
2843 ic
->flags
|= AVFMT_FLAG_NONBLOCK
;
2845 /* open the input file with generic libav function */
2846 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2848 print_error(filename
, err
);
2853 for(i
=0; i
<ic
->nb_programs
; i
++)
2854 if(ic
->programs
[i
]->id
!= opt_programid
)
2855 ic
->programs
[i
]->discard
= AVDISCARD_ALL
;
2858 ic
->loop_input
= loop_input
;
2860 /* If not enough info to get the stream parameters, we decode the
2861 first frames to get it. (used in mpeg case for example) */
2862 ret
= av_find_stream_info(ic
);
2863 if (ret
< 0 && verbose
>= 0) {
2864 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2868 timestamp
= start_time
;
2869 /* add the stream start time */
2870 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2871 timestamp
+= ic
->start_time
;
2873 /* if seeking requested, we execute it */
2874 if (start_time
!= 0) {
2875 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
2877 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2878 filename
, (double)timestamp
/ AV_TIME_BASE
);
2880 /* reset seek info */
2884 /* update the current parameters so that they match the one of the input stream */
2885 for(i
=0;i
<ic
->nb_streams
;i
++) {
2886 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2888 avcodec_thread_init(enc
, thread_count
);
2889 enc
->thread_count
= thread_count
;
2890 switch(enc
->codec_type
) {
2891 case CODEC_TYPE_AUDIO
:
2892 set_context_opts(enc
, avcodec_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2893 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2894 channel_layout
= enc
->channel_layout
;
2895 audio_channels
= enc
->channels
;
2896 audio_sample_rate
= enc
->sample_rate
;
2897 audio_sample_fmt
= enc
->sample_fmt
;
2898 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(audio_codec_name
);
2900 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2902 case CODEC_TYPE_VIDEO
:
2903 set_context_opts(enc
, avcodec_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2904 frame_height
= enc
->height
;
2905 frame_width
= enc
->width
;
2906 if(ic
->streams
[i
]->sample_aspect_ratio
.num
)
2907 frame_aspect_ratio
=av_q2d(ic
->streams
[i
]->sample_aspect_ratio
);
2909 frame_aspect_ratio
=av_q2d(enc
->sample_aspect_ratio
);
2910 frame_aspect_ratio
*= (float) enc
->width
/ enc
->height
;
2911 frame_pix_fmt
= enc
->pix_fmt
;
2912 rfps
= ic
->streams
[i
]->r_frame_rate
.num
;
2913 rfps_base
= ic
->streams
[i
]->r_frame_rate
.den
;
2914 if(enc
->lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
2916 enc
->debug
|= FF_DEBUG_MV
;
2918 if (enc
->time_base
.den
!= rfps
|| enc
->time_base
.num
!= rfps_base
) {
2921 fprintf(stderr
,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2922 i
, (float)enc
->time_base
.den
/ enc
->time_base
.num
, enc
->time_base
.den
, enc
->time_base
.num
,
2924 (float)rfps
/ rfps_base
, rfps
, rfps_base
);
2926 /* update the current frame rate to match the stream frame rate */
2927 frame_rate
.num
= rfps
;
2928 frame_rate
.den
= rfps_base
;
2930 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(video_codec_name
);
2932 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2933 else if(video_discard
)
2934 ic
->streams
[i
]->discard
= video_discard
;
2936 case CODEC_TYPE_DATA
:
2938 case CODEC_TYPE_SUBTITLE
:
2939 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(subtitle_codec_name
);
2940 if(subtitle_disable
)
2941 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2943 case CODEC_TYPE_ATTACHMENT
:
2944 case CODEC_TYPE_UNKNOWN
:
2952 input_files
[nb_input_files
] = ic
;
2953 input_files_ts_offset
[nb_input_files
] = input_ts_offset
- (copy_ts
? 0 : timestamp
);
2954 /* dump the file content */
2956 dump_format(ic
, nb_input_files
, filename
, 0);
2959 file_iformat
= NULL
;
2960 file_oformat
= NULL
;
2964 av_freep(&video_codec_name
);
2965 av_freep(&audio_codec_name
);
2966 av_freep(&subtitle_codec_name
);
2969 static void check_audio_video_sub_inputs(int *has_video_ptr
, int *has_audio_ptr
,
2970 int *has_subtitle_ptr
)
2972 int has_video
, has_audio
, has_subtitle
, i
, j
;
2973 AVFormatContext
*ic
;
2978 for(j
=0;j
<nb_input_files
;j
++) {
2979 ic
= input_files
[j
];
2980 for(i
=0;i
<ic
->nb_streams
;i
++) {
2981 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2982 switch(enc
->codec_type
) {
2983 case CODEC_TYPE_AUDIO
:
2986 case CODEC_TYPE_VIDEO
:
2989 case CODEC_TYPE_SUBTITLE
:
2992 case CODEC_TYPE_DATA
:
2993 case CODEC_TYPE_ATTACHMENT
:
2994 case CODEC_TYPE_UNKNOWN
:
3001 *has_video_ptr
= has_video
;
3002 *has_audio_ptr
= has_audio
;
3003 *has_subtitle_ptr
= has_subtitle
;
3006 static void new_video_stream(AVFormatContext
*oc
)
3009 AVCodecContext
*video_enc
;
3012 st
= av_new_stream(oc
, oc
->nb_streams
);
3014 fprintf(stderr
, "Could not alloc stream\n");
3017 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_VIDEO
);
3018 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= video_bitstream_filters
;
3019 video_bitstream_filters
= NULL
;
3022 avcodec_thread_init(st
->codec
, thread_count
);
3024 video_enc
= st
->codec
;
3027 video_enc
->codec_tag
= video_codec_tag
;
3029 if( (video_global_header
&1)
3030 || (video_global_header
==0 && (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
))){
3031 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3032 avcodec_opts
[CODEC_TYPE_VIDEO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3034 if(video_global_header
&2){
3035 video_enc
->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
3036 avcodec_opts
[CODEC_TYPE_VIDEO
]->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
3039 if (video_stream_copy
) {
3040 st
->stream_copy
= 1;
3041 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
3042 video_enc
->sample_aspect_ratio
=
3043 st
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*frame_height
/frame_width
, 255);
3048 AVRational fps
= frame_rate
.num
? frame_rate
: (AVRational
){25,1};
3050 if (video_codec_name
) {
3051 codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 1);
3052 codec
= avcodec_find_encoder_by_name(video_codec_name
);
3053 output_codecs
[nb_ocodecs
] = codec
;
3055 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_VIDEO
);
3056 codec
= avcodec_find_encoder(codec_id
);
3059 video_enc
->codec_id
= codec_id
;
3061 set_context_opts(video_enc
, avcodec_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3063 if (codec
&& codec
->supported_framerates
&& !force_fps
)
3064 fps
= codec
->supported_framerates
[av_find_nearest_q_idx(fps
, codec
->supported_framerates
)];
3065 video_enc
->time_base
.den
= fps
.num
;
3066 video_enc
->time_base
.num
= fps
.den
;
3068 video_enc
->width
= frame_width
+ frame_padright
+ frame_padleft
;
3069 video_enc
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
3070 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*video_enc
->height
/video_enc
->width
, 255);
3071 video_enc
->pix_fmt
= frame_pix_fmt
;
3072 st
->sample_aspect_ratio
= video_enc
->sample_aspect_ratio
;
3074 if(codec
&& codec
->pix_fmts
){
3075 const enum PixelFormat
*p
= codec
->pix_fmts
;
3077 if(*p
== video_enc
->pix_fmt
)
3081 video_enc
->pix_fmt
= codec
->pix_fmts
[0];
3085 video_enc
->gop_size
= 0;
3086 if (video_qscale
|| same_quality
) {
3087 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
3088 video_enc
->global_quality
=
3089 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
3093 video_enc
->intra_matrix
= intra_matrix
;
3095 video_enc
->inter_matrix
= inter_matrix
;
3097 video_enc
->thread_count
= thread_count
;
3098 p
= video_rc_override_string
;
3101 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
3103 fprintf(stderr
, "error parsing rc_override\n");
3106 video_enc
->rc_override
=
3107 av_realloc(video_enc
->rc_override
,
3108 sizeof(RcOverride
)*(i
+1));
3109 video_enc
->rc_override
[i
].start_frame
= start
;
3110 video_enc
->rc_override
[i
].end_frame
= end
;
3112 video_enc
->rc_override
[i
].qscale
= q
;
3113 video_enc
->rc_override
[i
].quality_factor
= 1.0;
3116 video_enc
->rc_override
[i
].qscale
= 0;
3117 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
3122 video_enc
->rc_override_count
=i
;
3123 if (!video_enc
->rc_initial_buffer_occupancy
)
3124 video_enc
->rc_initial_buffer_occupancy
= video_enc
->rc_buffer_size
*3/4;
3125 video_enc
->me_threshold
= me_threshold
;
3126 video_enc
->intra_dc_precision
= intra_dc_precision
- 8;
3129 video_enc
->flags
|= CODEC_FLAG_PSNR
;
3134 video_enc
->flags
|= CODEC_FLAG_PASS1
;
3136 video_enc
->flags
|= CODEC_FLAG_PASS2
;
3142 /* reset some key parameters */
3144 av_freep(&video_codec_name
);
3145 video_stream_copy
= 0;
3148 static void new_audio_stream(AVFormatContext
*oc
)
3151 AVCodecContext
*audio_enc
;
3154 st
= av_new_stream(oc
, oc
->nb_streams
);
3156 fprintf(stderr
, "Could not alloc stream\n");
3159 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_AUDIO
);
3161 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= audio_bitstream_filters
;
3162 audio_bitstream_filters
= NULL
;
3165 avcodec_thread_init(st
->codec
, thread_count
);
3167 audio_enc
= st
->codec
;
3168 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
3171 audio_enc
->codec_tag
= audio_codec_tag
;
3173 if (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
) {
3174 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3175 avcodec_opts
[CODEC_TYPE_AUDIO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3177 if (audio_stream_copy
) {
3178 st
->stream_copy
= 1;
3179 audio_enc
->channels
= audio_channels
;
3183 set_context_opts(audio_enc
, avcodec_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3185 if (audio_codec_name
) {
3186 codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 1);
3187 codec
= avcodec_find_encoder_by_name(audio_codec_name
);
3188 output_codecs
[nb_ocodecs
] = codec
;
3190 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_AUDIO
);
3191 codec
= avcodec_find_encoder(codec_id
);
3193 audio_enc
->codec_id
= codec_id
;
3195 if (audio_qscale
> QSCALE_NONE
) {
3196 audio_enc
->flags
|= CODEC_FLAG_QSCALE
;
3197 audio_enc
->global_quality
= st
->quality
= FF_QP2LAMBDA
* audio_qscale
;
3199 audio_enc
->thread_count
= thread_count
;
3200 audio_enc
->channels
= audio_channels
;
3201 audio_enc
->sample_fmt
= audio_sample_fmt
;
3202 audio_enc
->channel_layout
= channel_layout
;
3203 if (avcodec_channel_layout_num_channels(channel_layout
) != audio_channels
)
3204 audio_enc
->channel_layout
= 0;
3206 if(codec
&& codec
->sample_fmts
){
3207 const enum SampleFormat
*p
= codec
->sample_fmts
;
3209 if(*p
== audio_enc
->sample_fmt
)
3213 audio_enc
->sample_fmt
= codec
->sample_fmts
[0];
3217 audio_enc
->sample_rate
= audio_sample_rate
;
3218 audio_enc
->time_base
= (AVRational
){1, audio_sample_rate
};
3219 if (audio_language
) {
3220 av_metadata_set(&st
->metadata
, "language", audio_language
);
3221 av_free(audio_language
);
3222 audio_language
= NULL
;
3225 /* reset some key parameters */
3227 av_freep(&audio_codec_name
);
3228 audio_stream_copy
= 0;
3231 static void new_subtitle_stream(AVFormatContext
*oc
)
3234 AVCodecContext
*subtitle_enc
;
3236 st
= av_new_stream(oc
, oc
->nb_streams
);
3238 fprintf(stderr
, "Could not alloc stream\n");
3241 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_SUBTITLE
);
3243 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= subtitle_bitstream_filters
;
3244 subtitle_bitstream_filters
= NULL
;
3246 subtitle_enc
= st
->codec
;
3247 subtitle_enc
->codec_type
= CODEC_TYPE_SUBTITLE
;
3249 if(subtitle_codec_tag
)
3250 subtitle_enc
->codec_tag
= subtitle_codec_tag
;
3252 if (subtitle_stream_copy
) {
3253 st
->stream_copy
= 1;
3255 set_context_opts(avcodec_opts
[CODEC_TYPE_SUBTITLE
], subtitle_enc
, AV_OPT_FLAG_SUBTITLE_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3256 subtitle_enc
->codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 1);
3257 output_codecs
[nb_ocodecs
] = avcodec_find_encoder_by_name(subtitle_codec_name
);
3261 if (subtitle_language
) {
3262 av_metadata_set(&st
->metadata
, "language", subtitle_language
);
3263 av_free(subtitle_language
);
3264 subtitle_language
= NULL
;
3267 subtitle_disable
= 0;
3268 av_freep(&subtitle_codec_name
);
3269 subtitle_stream_copy
= 0;
3272 static void opt_new_audio_stream(void)
3274 AVFormatContext
*oc
;
3275 if (nb_output_files
<= 0) {
3276 fprintf(stderr
, "At least one output file must be specified\n");
3279 oc
= output_files
[nb_output_files
- 1];
3280 new_audio_stream(oc
);
3283 static void opt_new_video_stream(void)
3285 AVFormatContext
*oc
;
3286 if (nb_output_files
<= 0) {
3287 fprintf(stderr
, "At least one output file must be specified\n");
3290 oc
= output_files
[nb_output_files
- 1];
3291 new_video_stream(oc
);
3294 static void opt_new_subtitle_stream(void)
3296 AVFormatContext
*oc
;
3297 if (nb_output_files
<= 0) {
3298 fprintf(stderr
, "At least one output file must be specified\n");
3301 oc
= output_files
[nb_output_files
- 1];
3302 new_subtitle_stream(oc
);
3305 static void opt_output_file(const char *filename
)
3307 AVFormatContext
*oc
;
3308 int use_video
, use_audio
, use_subtitle
;
3309 int input_has_video
, input_has_audio
, input_has_subtitle
;
3310 AVFormatParameters params
, *ap
= ¶ms
;
3312 if (!strcmp(filename
, "-"))
3315 oc
= avformat_alloc_context();
3317 if (!file_oformat
) {
3318 file_oformat
= guess_format(NULL
, filename
, NULL
);
3319 if (!file_oformat
) {
3320 fprintf(stderr
, "Unable to find a suitable output format for '%s'\n",
3326 oc
->oformat
= file_oformat
;
3327 av_strlcpy(oc
->filename
, filename
, sizeof(oc
->filename
));
3329 if (!strcmp(file_oformat
->name
, "ffm") &&
3330 av_strstart(filename
, "http:", NULL
)) {
3331 /* special case for files sent to ffserver: we get the stream
3332 parameters from ffserver */
3333 int err
= read_ffserver_streams(oc
, filename
);
3335 print_error(filename
, err
);
3339 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
|| video_stream_copy
|| video_codec_name
;
3340 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
|| audio_stream_copy
|| audio_codec_name
;
3341 use_subtitle
= file_oformat
->subtitle_codec
!= CODEC_ID_NONE
|| subtitle_stream_copy
|| subtitle_codec_name
;
3343 /* disable if no corresponding type found and at least one
3345 if (nb_input_files
> 0) {
3346 check_audio_video_sub_inputs(&input_has_video
, &input_has_audio
,
3347 &input_has_subtitle
);
3348 if (!input_has_video
)
3350 if (!input_has_audio
)
3352 if (!input_has_subtitle
)
3356 /* manual disable */
3357 if (audio_disable
) {
3360 if (video_disable
) {
3363 if (subtitle_disable
) {
3368 new_video_stream(oc
);
3372 new_audio_stream(oc
);
3376 new_subtitle_stream(oc
);
3379 oc
->timestamp
= rec_timestamp
;
3381 for(; metadata_count
>0; metadata_count
--){
3382 av_metadata_set(&oc
->metadata
, metadata
[metadata_count
-1].key
,
3383 metadata
[metadata_count
-1].value
);
3385 av_metadata_conv(oc
, oc
->oformat
->metadata_conv
, NULL
);
3388 output_files
[nb_output_files
++] = oc
;
3390 /* check filename in case of an image number is expected */
3391 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
3392 if (!av_filename_number_test(oc
->filename
)) {
3393 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
3398 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
3399 /* test if it already exists to avoid loosing precious files */
3400 if (!file_overwrite
&&
3401 (strchr(filename
, ':') == NULL
||
3402 filename
[1] == ':' ||
3403 av_strstart(filename
, "file:", NULL
))) {
3404 if (url_exist(filename
)) {
3406 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
3408 if (!read_yesno()) {
3409 fprintf(stderr
, "Not overwriting - exiting\n");
3414 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
3421 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
3422 fprintf(stderr
, "Could not open '%s'\n", filename
);
3427 memset(ap
, 0, sizeof(*ap
));
3428 if (av_set_parameters(oc
, ap
) < 0) {
3429 fprintf(stderr
, "%s: Invalid encoding parameters\n",
3434 oc
->preload
= (int)(mux_preload
*AV_TIME_BASE
);
3435 oc
->max_delay
= (int)(mux_max_delay
*AV_TIME_BASE
);
3436 oc
->loop_output
= loop_output
;
3437 oc
->flags
|= AVFMT_FLAG_NONBLOCK
;
3439 set_context_opts(oc
, avformat_opts
, AV_OPT_FLAG_ENCODING_PARAM
);
3441 /* reset some options */
3442 file_oformat
= NULL
;
3443 file_iformat
= NULL
;
3446 /* same option as mencoder */
3447 static void opt_pass(const char *pass_str
)
3450 pass
= atoi(pass_str
);
3451 if (pass
!= 1 && pass
!= 2) {
3452 fprintf(stderr
, "pass number can be only 1 or 2\n");
3458 static int64_t getutime(void)
3461 struct rusage rusage
;
3463 getrusage(RUSAGE_SELF
, &rusage
);
3464 return (rusage
.ru_utime
.tv_sec
* 1000000LL) + rusage
.ru_utime
.tv_usec
;
3465 #elif HAVE_GETPROCESSTIMES
3467 FILETIME c
, e
, k
, u
;
3468 proc
= GetCurrentProcess();
3469 GetProcessTimes(proc
, &c
, &e
, &k
, &u
);
3470 return ((int64_t) u
.dwHighDateTime
<< 32 | u
.dwLowDateTime
) / 10;
3472 return av_gettime();
3476 static void parse_matrix_coeffs(uint16_t *dest
, const char *str
)
3479 const char *p
= str
;
3486 fprintf(stderr
, "Syntax error in matrix \"%s\" at coeff %d\n", str
, i
);
3493 static void opt_inter_matrix(const char *arg
)
3495 inter_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3496 parse_matrix_coeffs(inter_matrix
, arg
);
3499 static void opt_intra_matrix(const char *arg
)
3501 intra_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3502 parse_matrix_coeffs(intra_matrix
, arg
);
3506 * Trivial log callback.
3507 * Only suitable for show_help and similar since it lacks prefix handling.
3509 static void log_callback_help(void* ptr
, int level
, const char* fmt
, va_list vl
)
3511 vfprintf(stdout
, fmt
, vl
);
3514 static void show_help(void)
3516 av_log_set_callback(log_callback_help
);
3517 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3518 "Hyper fast Audio and Video encoder\n");
3520 show_help_options(options
, "Main options:\n",
3521 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
, 0);
3522 show_help_options(options
, "\nAdvanced options:\n",
3523 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
,
3525 show_help_options(options
, "\nVideo options:\n",
3526 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3528 show_help_options(options
, "\nAdvanced Video options:\n",
3529 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3530 OPT_VIDEO
| OPT_EXPERT
);
3531 show_help_options(options
, "\nAudio options:\n",
3532 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3534 show_help_options(options
, "\nAdvanced Audio options:\n",
3535 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3536 OPT_AUDIO
| OPT_EXPERT
);
3537 show_help_options(options
, "\nSubtitle options:\n",
3538 OPT_SUBTITLE
| OPT_GRAB
,
3540 show_help_options(options
, "\nAudio/Video grab options:\n",
3544 av_opt_show(avcodec_opts
[0], NULL
);
3546 av_opt_show(avformat_opts
, NULL
);
3548 av_opt_show(sws_opts
, NULL
);
3551 static void opt_target(const char *arg
)
3554 static const char *const frame_rates
[] = {"25", "30000/1001", "24000/1001"};
3556 if(!strncmp(arg
, "pal-", 4)) {
3559 } else if(!strncmp(arg
, "ntsc-", 5)) {
3562 } else if(!strncmp(arg
, "film-", 5)) {
3567 /* Calculate FR via float to avoid int overflow */
3568 fr
= (int)(frame_rate
.num
* 1000.0 / frame_rate
.den
);
3571 } else if((fr
== 29970) || (fr
== 23976)) {
3574 /* Try to determine PAL/NTSC by peeking in the input files */
3575 if(nb_input_files
) {
3577 for(j
= 0; j
< nb_input_files
; j
++) {
3578 for(i
= 0; i
< input_files
[j
]->nb_streams
; i
++) {
3579 AVCodecContext
*c
= input_files
[j
]->streams
[i
]->codec
;
3580 if(c
->codec_type
!= CODEC_TYPE_VIDEO
)
3582 fr
= c
->time_base
.den
* 1000 / c
->time_base
.num
;
3586 } else if((fr
== 29970) || (fr
== 23976)) {
3596 if(verbose
&& norm
>= 0)
3597 fprintf(stderr
, "Assuming %s for target.\n", norm
? "NTSC" : "PAL");
3601 fprintf(stderr
, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3602 fprintf(stderr
, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3603 fprintf(stderr
, "or set a framerate with \"-r xxx\".\n");
3607 if(!strcmp(arg
, "vcd")) {
3609 opt_video_codec("mpeg1video");
3610 opt_audio_codec("mp2");
3613 opt_frame_size(norm
? "352x240" : "352x288");
3614 opt_frame_rate(NULL
, frame_rates
[norm
]);
3615 opt_default("gop", norm
? "18" : "15");
3617 opt_default("b", "1150000");
3618 opt_default("maxrate", "1150000");
3619 opt_default("minrate", "1150000");
3620 opt_default("bufsize", "327680"); // 40*1024*8;
3622 opt_default("ab", "224000");
3623 audio_sample_rate
= 44100;
3626 opt_default("packetsize", "2324");
3627 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3629 /* We have to offset the PTS, so that it is consistent with the SCR.
3630 SCR starts at 36000, but the first two packs contain only padding
3631 and the first pack from the other stream, respectively, may also have
3632 been written before.
3633 So the real data starts at SCR 36000+3*1200. */
3634 mux_preload
= (36000+3*1200) / 90000.0; //0.44
3635 } else if(!strcmp(arg
, "svcd")) {
3637 opt_video_codec("mpeg2video");
3638 opt_audio_codec("mp2");
3641 opt_frame_size(norm
? "480x480" : "480x576");
3642 opt_frame_rate(NULL
, frame_rates
[norm
]);
3643 opt_default("gop", norm
? "18" : "15");
3645 opt_default("b", "2040000");
3646 opt_default("maxrate", "2516000");
3647 opt_default("minrate", "0"); //1145000;
3648 opt_default("bufsize", "1835008"); //224*1024*8;
3649 opt_default("flags", "+scan_offset");
3652 opt_default("ab", "224000");
3653 audio_sample_rate
= 44100;
3655 opt_default("packetsize", "2324");
3657 } else if(!strcmp(arg
, "dvd")) {
3659 opt_video_codec("mpeg2video");
3660 opt_audio_codec("ac3");
3663 opt_frame_size(norm
? "720x480" : "720x576");
3664 opt_frame_rate(NULL
, frame_rates
[norm
]);
3665 opt_default("gop", norm
? "18" : "15");
3667 opt_default("b", "6000000");
3668 opt_default("maxrate", "9000000");
3669 opt_default("minrate", "0"); //1500000;
3670 opt_default("bufsize", "1835008"); //224*1024*8;
3672 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3673 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3675 opt_default("ab", "448000");
3676 audio_sample_rate
= 48000;
3678 } else if(!strncmp(arg
, "dv", 2)) {
3682 opt_frame_size(norm
? "720x480" : "720x576");
3683 opt_frame_pix_fmt(!strncmp(arg
, "dv50", 4) ? "yuv422p" :
3684 (norm
? "yuv411p" : "yuv420p"));
3685 opt_frame_rate(NULL
, frame_rates
[norm
]);
3687 audio_sample_rate
= 48000;
3691 fprintf(stderr
, "Unknown target: %s\n", arg
);
3696 static void opt_vstats_file (const char *arg
)
3698 av_free (vstats_filename
);
3699 vstats_filename
=av_strdup (arg
);
3702 static void opt_vstats (void)
3705 time_t today2
= time(NULL
);
3706 struct tm
*today
= localtime(&today2
);
3708 snprintf(filename
, sizeof(filename
), "vstats_%02d%02d%02d.log", today
->tm_hour
, today
->tm_min
,
3710 opt_vstats_file(filename
);
3713 static int opt_bsf(const char *opt
, const char *arg
)
3715 AVBitStreamFilterContext
*bsfc
= av_bitstream_filter_init(arg
); //FIXME split name and args for filter at '='
3716 AVBitStreamFilterContext
**bsfp
;
3719 fprintf(stderr
, "Unknown bitstream filter %s\n", arg
);
3723 bsfp
= *opt
== 'v' ? &video_bitstream_filters
:
3724 *opt
== 'a' ? &audio_bitstream_filters
:
3725 &subtitle_bitstream_filters
;
3727 bsfp
= &(*bsfp
)->next
;
3734 static int opt_preset(const char *opt
, const char *arg
)
3737 char filename
[1000], tmp
[1000], tmp2
[1000], line
[1000];
3739 const char *base
[2]= { getenv("HOME"),
3743 for(i
=!base
[0]; i
<2 && !f
; i
++){
3744 snprintf(filename
, sizeof(filename
), "%s%s/%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", arg
);
3745 f
= fopen(filename
, "r");
3747 char *codec_name
= *opt
== 'v' ? video_codec_name
:
3748 *opt
== 'a' ? audio_codec_name
:
3749 subtitle_codec_name
;
3750 snprintf(filename
, sizeof(filename
), "%s%s/%s-%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", codec_name
, arg
);
3751 f
= fopen(filename
, "r");
3754 if(!f
&& ((arg
[0]=='.' && arg
[1]=='/') || arg
[0]=='/' ||
3756 av_strlcpy(filename
, arg
, sizeof(filename
));
3757 f
= fopen(filename
, "r");
3761 fprintf(stderr
, "File for preset '%s' not found\n", arg
);
3766 int e
= fscanf(f
, "%999[^\n]\n", line
) - 1;
3767 if(line
[0] == '#' && !e
)
3769 e
|= sscanf(line
, "%999[^=]=%999[^\n]\n", tmp
, tmp2
) - 2;
3771 fprintf(stderr
, "%s: Invalid syntax: '%s'\n", filename
, line
);
3774 if(!strcmp(tmp
, "acodec")){
3775 opt_audio_codec(tmp2
);
3776 }else if(!strcmp(tmp
, "vcodec")){
3777 opt_video_codec(tmp2
);
3778 }else if(!strcmp(tmp
, "scodec")){
3779 opt_subtitle_codec(tmp2
);
3780 }else if(opt_default(tmp
, tmp2
) < 0){
3781 fprintf(stderr
, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename
, line
, tmp
, tmp2
);
3791 static const OptionDef options
[] = {
3793 { "L", OPT_EXIT
, {(void*)show_license
}, "show license" },
3794 { "h", OPT_EXIT
, {(void*)show_help
}, "show help" },
3795 { "version", OPT_EXIT
, {(void*)show_version
}, "show version" },
3796 { "formats", OPT_EXIT
, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
3797 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3798 { "i", HAS_ARG
, {(void*)opt_input_file
}, "input file name", "filename" },
3799 { "y", OPT_BOOL
, {(void*)&file_overwrite
}, "overwrite output files" },
3800 { "map", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map
}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3801 { "map_meta_data", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map_meta_data
}, "set meta data information of outfile from infile", "outfile:infile" },
3802 { "t", OPT_FUNC2
| HAS_ARG
, {(void*)opt_recording_time
}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3803 { "fs", HAS_ARG
| OPT_INT64
, {(void*)&limit_filesize
}, "set the limit file size in bytes", "limit_size" }, //
3804 { "ss", OPT_FUNC2
| HAS_ARG
, {(void*)opt_start_time
}, "set the start time offset", "time_off" },
3805 { "itsoffset", OPT_FUNC2
| HAS_ARG
, {(void*)opt_input_ts_offset
}, "set the input ts offset", "time_off" },
3806 { "itsscale", HAS_ARG
, {(void*)opt_input_ts_scale
}, "set the input ts scale", "stream:scale" },
3807 { "timestamp", OPT_FUNC2
| HAS_ARG
, {(void*)opt_rec_timestamp
}, "set the timestamp ('now' to set the current time)", "time" },
3808 { "metadata", OPT_FUNC2
| HAS_ARG
, {(void*)opt_metadata
}, "add metadata", "string=string" },
3809 { "dframes", OPT_INT
| HAS_ARG
, {(void*)&max_frames
[CODEC_TYPE_DATA
]}, "set the number of data frames to record", "number" },
3810 { "benchmark", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_benchmark
},
3811 "add timings for benchmarking" },
3812 { "dump", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_pkt_dump
},
3813 "dump each input packet" },
3814 { "hex", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_hex_dump
},
3815 "when dumping packets, also dump the payload" },
3816 { "re", OPT_BOOL
| OPT_EXPERT
, {(void*)&rate_emu
}, "read input at native frame rate", "" },
3817 { "loop_input", OPT_BOOL
| OPT_EXPERT
, {(void*)&loop_input
}, "loop (current only works with images)" },
3818 { "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)", "" },
3819 { "v", HAS_ARG
| OPT_FUNC2
, {(void*)opt_verbose
}, "set ffmpeg verbosity level", "number" },
3820 { "loglevel", HAS_ARG
| OPT_FUNC2
, {(void*)opt_loglevel
}, "set libav* logging level", "number" },
3821 { "target", HAS_ARG
, {(void*)opt_target
}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3822 { "threads", OPT_FUNC2
| HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3823 { "vsync", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_sync_method
}, "video sync method", "" },
3824 { "async", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&audio_sync_method
}, "audio sync method", "" },
3825 { "adrift_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&audio_drift_threshold
}, "audio drift threshold", "threshold" },
3826 { "vglobal", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_global_header
}, "video global header storage type", "" },
3827 { "copyts", OPT_BOOL
| OPT_EXPERT
, {(void*)©_ts
}, "copy timestamps" },
3828 { "shortest", OPT_BOOL
| OPT_EXPERT
, {(void*)&opt_shortest
}, "finish encoding within shortest input" }, //
3829 { "dts_delta_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&dts_delta_threshold
}, "timestamp discontinuity delta threshold", "threshold" },
3830 { "programid", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&opt_programid
}, "desired program number", "" },
3831 { "xerror", OPT_BOOL
, {(void*)&exit_on_error
}, "exit on error", "error" },
3832 { "copyinkf", OPT_BOOL
| OPT_EXPERT
, {(void*)©_initial_nonkeyframes
}, "copy initial non-keyframes" },
3835 { "b", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3836 { "vb", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3837 { "vframes", OPT_INT
| HAS_ARG
| OPT_VIDEO
, {(void*)&max_frames
[CODEC_TYPE_VIDEO
]}, "set the number of video frames to record", "number" },
3838 { "r", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_rate
}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3839 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3840 { "aspect", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_aspect_ratio
}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3841 { "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" },
3842 { "croptop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_top
}, "set top crop band size (in pixels)", "size" },
3843 { "cropbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_bottom
}, "set bottom crop band size (in pixels)", "size" },
3844 { "cropleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_left
}, "set left crop band size (in pixels)", "size" },
3845 { "cropright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_right
}, "set right crop band size (in pixels)", "size" },
3846 { "padtop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_top
}, "set top pad band size (in pixels)", "size" },
3847 { "padbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_bottom
}, "set bottom pad band size (in pixels)", "size" },
3848 { "padleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_left
}, "set left pad band size (in pixels)", "size" },
3849 { "padright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_right
}, "set right pad band size (in pixels)", "size" },
3850 { "padcolor", HAS_ARG
| OPT_VIDEO
, {(void*)opt_pad_color
}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3851 { "intra", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_only
}, "use only intra frames"},
3852 { "vn", OPT_BOOL
| OPT_VIDEO
, {(void*)&video_disable
}, "disable video" },
3853 { "vdt", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&video_discard
}, "discard threshold", "n" },
3854 { "qscale", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qscale
}, "use fixed video quantizer scale (VBR)", "q" },
3855 { "rc_override", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_override_string
}, "rate control override for specific intervals", "override" },
3856 { "vcodec", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_codec
}, "force video codec ('copy' to copy stream)", "codec" },
3857 { "me_threshold", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_me_threshold
}, "motion estimaton threshold", "threshold" },
3858 { "sameq", OPT_BOOL
| OPT_VIDEO
, {(void*)&same_quality
},
3859 "use same video quality as source (implies VBR)" },
3860 { "pass", HAS_ARG
| OPT_VIDEO
, {(void*)&opt_pass
}, "select the pass number (1 or 2)", "n" },
3861 { "passlogfile", HAS_ARG
| OPT_STRING
| OPT_VIDEO
, {(void*)&pass_logfilename_prefix
}, "select two pass log file name prefix", "prefix" },
3862 { "deinterlace", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_deinterlace
},
3863 "deinterlace pictures" },
3864 { "psnr", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_psnr
}, "calculate PSNR of compressed frames" },
3865 { "vstats", OPT_EXPERT
| OPT_VIDEO
, {(void*)&opt_vstats
}, "dump video coding statistics to file" },
3866 { "vstats_file", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_vstats_file
}, "dump video coding statistics to file", "file" },
3867 { "intra_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_intra_matrix
}, "specify intra matrix coeffs", "matrix" },
3868 { "inter_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_inter_matrix
}, "specify inter matrix coeffs", "matrix" },
3869 { "top", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_top_field_first
}, "top=1/bottom=0/auto=-1 field first", "" },
3870 { "dc", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_dc_precision
}, "intra_dc_precision", "precision" },
3871 { "vtag", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_tag
}, "force video tag/fourcc", "fourcc/tag" },
3872 { "newvideo", OPT_VIDEO
, {(void*)opt_new_video_stream
}, "add a new video stream to the current output stream" },
3873 { "qphist", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, { (void *)&qp_hist
}, "show QP histogram" },
3874 { "force_fps", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&force_fps
}, "force the selected framerate, disable the best supported framerate selection" },
3877 { "ab", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3878 { "aframes", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&max_frames
[CODEC_TYPE_AUDIO
]}, "set the number of audio frames to record", "number" },
3879 { "aq", OPT_FLOAT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_qscale
}, "set audio quality (codec-specific)", "quality", },
3880 { "ar", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_rate
}, "set audio sampling rate (in Hz)", "rate" },
3881 { "ac", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_channels
}, "set number of audio channels", "channels" },
3882 { "an", OPT_BOOL
| OPT_AUDIO
, {(void*)&audio_disable
}, "disable audio" },
3883 { "acodec", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_codec
}, "force audio codec ('copy' to copy stream)", "codec" },
3884 { "atag", HAS_ARG
| OPT_EXPERT
| OPT_AUDIO
, {(void*)opt_audio_tag
}, "force audio tag/fourcc", "fourcc/tag" },
3885 { "vol", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_volume
}, "change audio volume (256=normal)" , "volume" }, //
3886 { "newaudio", OPT_AUDIO
, {(void*)opt_new_audio_stream
}, "add a new audio stream to the current output stream" },
3887 { "alang", HAS_ARG
| OPT_STRING
| OPT_AUDIO
, {(void *)&audio_language
}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3888 { "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" },
3890 /* subtitle options */
3891 { "sn", OPT_BOOL
| OPT_SUBTITLE
, {(void*)&subtitle_disable
}, "disable subtitle" },
3892 { "scodec", HAS_ARG
| OPT_SUBTITLE
, {(void*)opt_subtitle_codec
}, "force subtitle codec ('copy' to copy stream)", "codec" },
3893 { "newsubtitle", OPT_SUBTITLE
, {(void*)opt_new_subtitle_stream
}, "add a new subtitle stream to the current output stream" },
3894 { "slang", HAS_ARG
| OPT_STRING
| OPT_SUBTITLE
, {(void *)&subtitle_language
}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3895 { "stag", HAS_ARG
| OPT_EXPERT
| OPT_SUBTITLE
, {(void*)opt_subtitle_tag
}, "force subtitle tag/fourcc", "fourcc/tag" },
3898 { "vc", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_channel
}, "set video grab channel (DV1394 only)", "channel" },
3899 { "tvstd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_standard
}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3900 { "isync", OPT_BOOL
| OPT_EXPERT
| OPT_GRAB
, {(void*)&input_sync
}, "sync read on input", "" },
3903 { "muxdelay", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_max_delay
}, "set the maximum demux-decode delay", "seconds" },
3904 { "muxpreload", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_preload
}, "set the initial demux-decode delay", "seconds" },
3906 { "absf", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3907 { "vbsf", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3908 { "sbsf", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3910 { "apre", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the audio options to the indicated preset", "preset" },
3911 { "vpre", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the video options to the indicated preset", "preset" },
3912 { "spre", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_preset
}, "set the subtitle options to the indicated preset", "preset" },
3914 { "default", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_default
}, "generic catch all option", "" },
3918 int main(int argc
, char **argv
)
3923 avcodec_register_all();
3924 avdevice_register_all();
3927 if(isatty(STDIN_FILENO
))
3928 url_set_interrupt_cb(decode_interrupt_cb
);
3930 for(i
=0; i
<CODEC_TYPE_NB
; i
++){
3931 avcodec_opts
[i
]= avcodec_alloc_context2(i
);
3933 avformat_opts
= avformat_alloc_context();
3934 sws_opts
= sws_getContext(16,16,0, 16,16,0, sws_flags
, NULL
,NULL
,NULL
);
3939 parse_options(argc
, argv
, options
, opt_output_file
);
3941 /* file converter / grab */
3942 if (nb_output_files
<= 0) {
3943 fprintf(stderr
, "At least one output file must be specified\n");
3947 if (nb_input_files
== 0) {
3948 fprintf(stderr
, "At least one input file must be specified\n");
3953 if (av_encode(output_files
, nb_output_files
, input_files
, nb_input_files
,
3954 stream_maps
, nb_stream_maps
) < 0)
3956 ti
= getutime() - ti
;
3958 printf("bench: utime=%0.3fs\n", ti
/ 1000000.0);