3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/avstring.h"
41 #include "libavformat/os_support.h"
43 #if HAVE_SYS_RESOURCE_H
44 #include <sys/types.h>
45 #include <sys/resource.h>
46 #elif HAVE_GETPROCESSTIMES
51 #include <sys/select.h>
56 #include <sys/ioctl.h>
62 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
72 const char program_name
[] = "FFmpeg";
73 const int program_birth_year
= 2000;
75 /* select an input stream for an output stream */
76 typedef struct AVStreamMap
{
80 int sync_stream_index
;
83 /** select an input file for an output file */
84 typedef struct AVMetaDataMap
{
89 static const OptionDef options
[];
93 static AVFormatContext
*input_files
[MAX_FILES
];
94 static int64_t input_files_ts_offset
[MAX_FILES
];
95 static double input_files_ts_scale
[MAX_FILES
][MAX_STREAMS
];
96 static AVCodec
*input_codecs
[MAX_FILES
*MAX_STREAMS
];
97 static int nb_input_files
= 0;
98 static int nb_icodecs
;
100 static AVFormatContext
*output_files
[MAX_FILES
];
101 static AVCodec
*output_codecs
[MAX_FILES
*MAX_STREAMS
];
102 static int nb_output_files
= 0;
103 static int nb_ocodecs
;
105 static AVStreamMap stream_maps
[MAX_FILES
*MAX_STREAMS
];
106 static int nb_stream_maps
;
108 static AVMetaDataMap meta_data_maps
[MAX_FILES
];
109 static int nb_meta_data_maps
;
111 static AVInputFormat
*file_iformat
;
112 static AVOutputFormat
*file_oformat
;
113 static int frame_width
= 0;
114 static int frame_height
= 0;
115 static float frame_aspect_ratio
= 0;
116 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
117 static enum SampleFormat audio_sample_fmt
= SAMPLE_FMT_NONE
;
118 static int frame_padtop
= 0;
119 static int frame_padbottom
= 0;
120 static int frame_padleft
= 0;
121 static int frame_padright
= 0;
122 static int padcolor
[3] = {16,128,128}; /* default to black */
123 static int frame_topBand
= 0;
124 static int frame_bottomBand
= 0;
125 static int frame_leftBand
= 0;
126 static int frame_rightBand
= 0;
127 static int max_frames
[4] = {INT_MAX
, INT_MAX
, INT_MAX
, INT_MAX
};
128 static AVRational frame_rate
;
129 static float video_qscale
= 0;
130 static uint16_t *intra_matrix
= NULL
;
131 static uint16_t *inter_matrix
= NULL
;
132 #if 0 //experimental, (can be removed)
133 static float video_rc_qsquish
=1.0;
134 static float video_rc_qmod_amp
=0;
135 static int video_rc_qmod_freq
=0;
137 static const char *video_rc_override_string
=NULL
;
138 static int video_disable
= 0;
139 static int video_discard
= 0;
140 static char *video_codec_name
= NULL
;
141 static int video_codec_tag
= 0;
142 static int same_quality
= 0;
143 static int do_deinterlace
= 0;
144 static int top_field_first
= -1;
145 static int me_threshold
= 0;
146 static int intra_dc_precision
= 8;
147 static int loop_input
= 0;
148 static int loop_output
= AVFMT_NOOUTPUTLOOP
;
149 static int qp_hist
= 0;
151 static int intra_only
= 0;
152 static int audio_sample_rate
= 44100;
153 static int64_t channel_layout
= 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale
= QSCALE_NONE
;
156 static int audio_disable
= 0;
157 static int audio_channels
= 1;
158 static char *audio_codec_name
= NULL
;
159 static int audio_codec_tag
= 0;
160 static char *audio_language
= NULL
;
162 static int subtitle_disable
= 0;
163 static char *subtitle_codec_name
= NULL
;
164 static char *subtitle_language
= NULL
;
166 static float mux_preload
= 0.5;
167 static float mux_max_delay
= 0.7;
169 static int64_t recording_time
= INT64_MAX
;
170 static int64_t start_time
= 0;
171 static int64_t rec_timestamp
= 0;
172 static int64_t input_ts_offset
= 0;
173 static int file_overwrite
= 0;
174 static int metadata_count
;
175 static AVMetadataTag
*metadata
;
176 static int do_benchmark
= 0;
177 static int do_hex_dump
= 0;
178 static int do_pkt_dump
= 0;
179 static int do_psnr
= 0;
180 static int do_pass
= 0;
181 static char *pass_logfilename_prefix
= NULL
;
182 static int audio_stream_copy
= 0;
183 static int video_stream_copy
= 0;
184 static int subtitle_stream_copy
= 0;
185 static int video_sync_method
= -1;
186 static int audio_sync_method
= 0;
187 static float audio_drift_threshold
= 0.1;
188 static int copy_ts
= 0;
189 static int opt_shortest
= 0;
190 static int video_global_header
= 0;
191 static char *vstats_filename
;
192 static FILE *vstats_file
;
193 static int opt_programid
= 0;
194 static int copy_initial_nonkeyframes
= 0;
196 static int rate_emu
= 0;
198 static int video_channel
= 0;
199 static char *video_standard
;
201 static int audio_volume
= 256;
203 static int exit_on_error
= 0;
204 static int using_stdin
= 0;
205 static int verbose
= 1;
206 static int thread_count
= 1;
207 static int q_pressed
= 0;
208 static int64_t video_size
= 0;
209 static int64_t audio_size
= 0;
210 static int64_t extra_size
= 0;
211 static int nb_frames_dup
= 0;
212 static int nb_frames_drop
= 0;
213 static int input_sync
;
214 static uint64_t limit_filesize
= 0;
215 static int force_fps
= 0;
217 static int pgmyuv_compatibility_hack
=0;
218 static float dts_delta_threshold
= 10;
220 static unsigned int sws_flags
= SWS_BICUBIC
;
222 static int64_t timer_start
;
224 static AVBitStreamFilterContext
*video_bitstream_filters
=NULL
;
225 static AVBitStreamFilterContext
*audio_bitstream_filters
=NULL
;
226 static AVBitStreamFilterContext
*subtitle_bitstream_filters
=NULL
;
227 static AVBitStreamFilterContext
*bitstream_filters
[MAX_FILES
][MAX_STREAMS
];
229 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
231 struct AVInputStream
;
233 typedef struct AVOutputStream
{
234 int file_index
; /* file index */
235 int index
; /* stream index in the output file */
236 int source_index
; /* AVInputStream index */
237 AVStream
*st
; /* stream in the output file */
238 int encoding_needed
; /* true if encoding needed for this stream */
240 /* input pts and corresponding output pts
242 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
243 struct AVInputStream
*sync_ist
; /* input stream to sync against */
244 int64_t sync_opts
; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
247 AVFrame pict_tmp
; /* temporary image for resampling */
248 struct SwsContext
*img_resample_ctx
; /* for image resampling */
252 int topBand
; /* cropping area sizes */
256 int padtop
; /* padding area sizes */
263 ReSampleContext
*resample
; /* for audio resampling */
265 AVAudioConvert
*reformat_ctx
;
266 AVFifoBuffer fifo
; /* for compression: one audio fifo per codec */
270 typedef struct AVInputStream
{
274 int discard
; /* true if stream data should be discarded */
275 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
276 int64_t sample_index
; /* current sample */
278 int64_t start
; /* time when read started */
279 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
281 int64_t pts
; /* current pts */
282 int is_start
; /* is 1 at the start and after a discontinuity */
285 typedef struct AVInputFile
{
286 int eof_reached
; /* true if eof reached */
287 int ist_index
; /* index of first stream in ist_table */
288 int buffer_size
; /* current total buffer size */
289 int nb_streams
; /* nb streams we are aware of */
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty
;
298 static void term_exit(void)
301 tcsetattr (0, TCSANOW
, &oldtty
);
305 static volatile sig_atomic_t received_sigterm
= 0;
308 sigterm_handler(int sig
)
310 received_sigterm
= sig
;
314 static void term_init(void)
322 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
323 |INLCR
|IGNCR
|ICRNL
|IXON
);
324 tty
.c_oflag
|= OPOST
;
325 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
326 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
331 tcsetattr (0, TCSANOW
, &tty
);
332 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
335 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
336 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
338 register a function to be called at normal program termination
341 #if CONFIG_BEOS_NETSERVER
342 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
346 /* read a key without blocking */
347 static int read_key(void)
352 #if !CONFIG_BEOS_NETSERVER
360 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
376 static int decode_interrupt_cb(void)
378 return q_pressed
|| (q_pressed
= read_key() == 'q');
381 static int av_exit(int ret
)
386 for(i
=0;i
<nb_output_files
;i
++) {
387 /* maybe av_close_output_file ??? */
388 AVFormatContext
*s
= output_files
[i
];
390 if (!(s
->oformat
->flags
& AVFMT_NOFILE
) && s
->pb
)
392 for(j
=0;j
<s
->nb_streams
;j
++) {
393 av_metadata_free(&s
->streams
[j
]->metadata
);
394 av_free(s
->streams
[j
]->codec
);
395 av_free(s
->streams
[j
]);
397 for(j
=0;j
<s
->nb_programs
;j
++) {
398 av_metadata_free(&s
->programs
[j
]->metadata
);
400 for(j
=0;j
<s
->nb_chapters
;j
++) {
401 av_metadata_free(&s
->chapters
[j
]->metadata
);
403 av_metadata_free(&s
->metadata
);
406 for(i
=0;i
<nb_input_files
;i
++)
407 av_close_input_file(input_files
[i
]);
409 av_free(intra_matrix
);
410 av_free(inter_matrix
);
414 av_free(vstats_filename
);
418 av_free(video_codec_name
);
419 av_free(audio_codec_name
);
420 av_free(subtitle_codec_name
);
422 av_free(video_standard
);
424 #if CONFIG_POWERPC_PERF
425 void powerpc_display_perf_report(void);
426 powerpc_display_perf_report();
427 #endif /* CONFIG_POWERPC_PERF */
429 if (received_sigterm
) {
431 "Received signal %d: terminating.\n",
432 (int) received_sigterm
);
436 exit(ret
); /* not all OS-es handle main() return value */
440 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
446 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
449 /* copy stream format */
450 s
->nb_streams
= ic
->nb_streams
;
451 for(i
=0;i
<ic
->nb_streams
;i
++) {
454 // FIXME: a more elegant solution is needed
455 st
= av_mallocz(sizeof(AVStream
));
456 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
457 st
->codec
= avcodec_alloc_context();
458 memcpy(st
->codec
, ic
->streams
[i
]->codec
, sizeof(AVCodecContext
));
461 if (st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& audio_stream_copy
)
463 else if (st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& video_stream_copy
)
466 if(!st
->codec
->thread_count
)
467 st
->codec
->thread_count
= 1;
468 if(st
->codec
->thread_count
>1)
469 avcodec_thread_init(st
->codec
, st
->codec
->thread_count
);
471 if(st
->codec
->flags
& CODEC_FLAG_BITEXACT
)
476 s
->timestamp
= av_gettime();
478 av_close_input_file(ic
);
483 get_sync_ipts(const AVOutputStream
*ost
)
485 const AVInputStream
*ist
= ost
->sync_ist
;
486 return (double)(ist
->pts
- start_time
)/AV_TIME_BASE
;
489 static void write_frame(AVFormatContext
*s
, AVPacket
*pkt
, AVCodecContext
*avctx
, AVBitStreamFilterContext
*bsfc
){
493 AVPacket new_pkt
= *pkt
;
494 int a
= av_bitstream_filter_filter(bsfc
, avctx
, NULL
,
495 &new_pkt
.data
, &new_pkt
.size
,
496 pkt
->data
, pkt
->size
,
497 pkt
->flags
& PKT_FLAG_KEY
);
500 new_pkt
.destruct
= av_destruct_packet
;
502 fprintf(stderr
, "%s failed for stream %d, codec %s",
503 bsfc
->filter
->name
, pkt
->stream_index
,
504 avctx
->codec
? avctx
->codec
->name
: "copy");
514 ret
= av_interleaved_write_frame(s
, pkt
);
516 print_error("av_interleaved_write_frame()", ret
);
521 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
523 static void do_audio_out(AVFormatContext
*s
,
526 unsigned char *buf
, int size
)
529 static uint8_t *audio_buf
= NULL
;
530 static uint8_t *audio_out
= NULL
;
531 static uint8_t *audio_out2
= NULL
;
532 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
534 int size_out
, frame_bytes
, ret
;
535 AVCodecContext
*enc
= ost
->st
->codec
;
536 AVCodecContext
*dec
= ist
->st
->codec
;
537 int osize
= av_get_bits_per_sample_format(enc
->sample_fmt
)/8;
538 int isize
= av_get_bits_per_sample_format(dec
->sample_fmt
)/8;
540 /* SC: dynamic allocation of buffers */
542 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
544 audio_out
= av_malloc(audio_out_size
);
545 if (!audio_buf
|| !audio_out
)
546 return; /* Should signal an error ! */
548 if (enc
->channels
!= dec
->channels
)
549 ost
->audio_resample
= 1;
551 if (ost
->audio_resample
&& !ost
->resample
) {
552 if (dec
->sample_fmt
!= SAMPLE_FMT_S16
)
553 fprintf(stderr
, "Warning, using s16 intermediate sample format for resampling\n");
554 ost
->resample
= av_audio_resample_init(enc
->channels
, dec
->channels
,
555 enc
->sample_rate
, dec
->sample_rate
,
556 enc
->sample_fmt
, dec
->sample_fmt
,
558 if (!ost
->resample
) {
559 fprintf(stderr
, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
560 dec
->channels
, dec
->sample_rate
,
561 enc
->channels
, enc
->sample_rate
);
566 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
567 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
&&
568 MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
)!=ost
->reformat_pair
) {
570 audio_out2
= av_malloc(audio_out_size
);
573 if (ost
->reformat_ctx
)
574 av_audio_convert_free(ost
->reformat_ctx
);
575 ost
->reformat_ctx
= av_audio_convert_alloc(enc
->sample_fmt
, 1,
576 dec
->sample_fmt
, 1, NULL
, 0);
577 if (!ost
->reformat_ctx
) {
578 fprintf(stderr
, "Cannot convert %s sample format to %s sample format\n",
579 avcodec_get_sample_fmt_name(dec
->sample_fmt
),
580 avcodec_get_sample_fmt_name(enc
->sample_fmt
));
583 ost
->reformat_pair
=MAKE_SFMT_PAIR(enc
->sample_fmt
,dec
->sample_fmt
);
586 if(audio_sync_method
){
587 double delta
= get_sync_ipts(ost
) * enc
->sample_rate
- ost
->sync_opts
588 - av_fifo_size(&ost
->fifo
)/(ost
->st
->codec
->channels
* 2);
589 double idelta
= delta
*ist
->st
->codec
->sample_rate
/ enc
->sample_rate
;
590 int byte_delta
= ((int)idelta
)*2*ist
->st
->codec
->channels
;
592 //FIXME resample delay
593 if(fabs(delta
) > 50){
594 if(ist
->is_start
|| fabs(delta
) > audio_drift_threshold
*enc
->sample_rate
){
596 byte_delta
= FFMAX(byte_delta
, -size
);
600 fprintf(stderr
, "discarding %d audio samples\n", (int)-delta
);
605 static uint8_t *input_tmp
= NULL
;
606 input_tmp
= av_realloc(input_tmp
, byte_delta
+ size
);
608 if(byte_delta
+ size
<= MAX_AUDIO_PACKET_SIZE
)
611 byte_delta
= MAX_AUDIO_PACKET_SIZE
- size
;
613 memset(input_tmp
, 0, byte_delta
);
614 memcpy(input_tmp
+ byte_delta
, buf
, size
);
618 fprintf(stderr
, "adding %d audio samples of silence\n", (int)delta
);
620 }else if(audio_sync_method
>1){
621 int comp
= av_clip(delta
, -audio_sync_method
, audio_sync_method
);
622 assert(ost
->audio_resample
);
624 fprintf(stderr
, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta
, comp
, enc
->sample_rate
);
625 // 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));
626 av_resample_compensate(*(struct AVResampleContext
**)ost
->resample
, comp
, enc
->sample_rate
);
630 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) * enc
->sample_rate
)
631 - av_fifo_size(&ost
->fifo
)/(ost
->st
->codec
->channels
* 2); //FIXME wrong
633 if (ost
->audio_resample
) {
635 size_out
= audio_resample(ost
->resample
,
636 (short *)buftmp
, (short *)buf
,
637 size
/ (ist
->st
->codec
->channels
* isize
));
638 size_out
= size_out
* enc
->channels
* osize
;
644 if (!ost
->audio_resample
&& dec
->sample_fmt
!=enc
->sample_fmt
) {
645 const void *ibuf
[6]= {buftmp
};
646 void *obuf
[6]= {audio_out2
};
647 int istride
[6]= {isize
};
648 int ostride
[6]= {osize
};
649 int len
= size_out
/istride
[0];
650 if (av_audio_convert(ost
->reformat_ctx
, obuf
, ostride
, ibuf
, istride
, len
)<0) {
651 printf("av_audio_convert() failed\n");
657 size_out
= len
*osize
;
660 /* now encode as many frames as possible */
661 if (enc
->frame_size
> 1) {
662 /* output resampled raw samples */
663 if (av_fifo_realloc2(&ost
->fifo
, av_fifo_size(&ost
->fifo
) + size_out
) < 0) {
664 fprintf(stderr
, "av_fifo_realloc2() failed\n");
667 av_fifo_generic_write(&ost
->fifo
, buftmp
, size_out
, NULL
);
669 frame_bytes
= enc
->frame_size
* osize
* enc
->channels
;
671 while (av_fifo_size(&ost
->fifo
) >= frame_bytes
) {
673 av_init_packet(&pkt
);
675 av_fifo_read(&ost
->fifo
, audio_buf
, frame_bytes
);
677 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
679 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
682 fprintf(stderr
, "Audio encoding failed\n");
686 pkt
.stream_index
= ost
->index
;
689 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
690 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
691 pkt
.flags
|= PKT_FLAG_KEY
;
692 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
694 ost
->sync_opts
+= enc
->frame_size
;
698 int coded_bps
= av_get_bits_per_sample(enc
->codec
->id
)/8;
699 av_init_packet(&pkt
);
701 ost
->sync_opts
+= size_out
/ (osize
* enc
->channels
);
703 /* output a pcm frame */
704 /* determine the size of the coded buffer */
707 size_out
*= coded_bps
;
709 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
710 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
713 fprintf(stderr
, "Audio encoding failed\n");
717 pkt
.stream_index
= ost
->index
;
720 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
721 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
722 pkt
.flags
|= PKT_FLAG_KEY
;
723 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
727 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
731 AVPicture picture_tmp
;
734 dec
= ist
->st
->codec
;
736 /* deinterlace : must be done before any resize */
737 if (do_deinterlace
) {
740 /* create temporary picture */
741 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
742 buf
= av_malloc(size
);
746 picture2
= &picture_tmp
;
747 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
750 if(avpicture_deinterlace(picture2
, picture
,
751 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
752 /* if error, do not deinterlace */
753 fprintf(stderr
, "Deinterlacing failed\n");
759 av_picture_copy(picture2
, picture
, dec
->pix_fmt
, dec
->width
, dec
->height
);
765 if (picture
!= picture2
)
766 *picture
= *picture2
;
770 /* we begin to correct av delay at this threshold */
771 #define AV_DELAY_MAX 0.100
773 static void do_subtitle_out(AVFormatContext
*s
,
779 static uint8_t *subtitle_out
= NULL
;
780 int subtitle_out_max_size
= 65536;
781 int subtitle_out_size
, nb
, i
;
785 if (pts
== AV_NOPTS_VALUE
) {
786 fprintf(stderr
, "Subtitle packets must have a pts\n");
792 enc
= ost
->st
->codec
;
795 subtitle_out
= av_malloc(subtitle_out_max_size
);
798 /* Note: DVB subtitle need one packet to draw them and one other
799 packet to clear them */
800 /* XXX: signal it in the codec context ? */
801 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
)
806 for(i
= 0; i
< nb
; i
++) {
807 subtitle_out_size
= avcodec_encode_subtitle(enc
, subtitle_out
,
808 subtitle_out_max_size
, sub
);
810 av_init_packet(&pkt
);
811 pkt
.stream_index
= ost
->index
;
812 pkt
.data
= subtitle_out
;
813 pkt
.size
= subtitle_out_size
;
814 pkt
.pts
= av_rescale_q(pts
, ist
->st
->time_base
, ost
->st
->time_base
);
815 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
) {
816 /* XXX: the pts correction is handled here. Maybe handling
817 it in the codec would be better */
819 pkt
.pts
+= 90 * sub
->start_display_time
;
821 pkt
.pts
+= 90 * sub
->end_display_time
;
823 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
827 static int bit_buffer_size
= 1024*256;
828 static uint8_t *bit_buffer
= NULL
;
830 static void do_video_out(AVFormatContext
*s
,
836 int nb_frames
, i
, ret
;
837 AVFrame
*final_picture
, *formatted_picture
, *resampling_dst
, *padding_src
;
838 AVFrame picture_crop_temp
, picture_pad_temp
;
839 AVCodecContext
*enc
, *dec
;
841 avcodec_get_frame_defaults(&picture_crop_temp
);
842 avcodec_get_frame_defaults(&picture_pad_temp
);
844 enc
= ost
->st
->codec
;
845 dec
= ist
->st
->codec
;
847 /* by default, we output a single frame */
852 if(video_sync_method
>0 || (video_sync_method
&& av_q2d(enc
->time_base
) > 0.001)){
854 vdelta
= get_sync_ipts(ost
) / av_q2d(enc
->time_base
) - ost
->sync_opts
;
855 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
858 else if (video_sync_method
== 2 || (video_sync_method
<0 && (s
->oformat
->flags
& AVFMT_VARIABLE_FPS
))){
862 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
863 }else if (vdelta
> 1.1)
864 nb_frames
= lrintf(vdelta
);
865 //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);
869 fprintf(stderr
, "*** drop!\n");
870 }else if (nb_frames
> 1) {
871 nb_frames_dup
+= nb_frames
;
873 fprintf(stderr
, "*** %d dup!\n", nb_frames
-1);
876 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
878 nb_frames
= FFMIN(nb_frames
, max_frames
[CODEC_TYPE_VIDEO
] - ost
->frame_number
);
882 if (ost
->video_crop
) {
883 if (av_picture_crop((AVPicture
*)&picture_crop_temp
, (AVPicture
*)in_picture
, dec
->pix_fmt
, ost
->topBand
, ost
->leftBand
) < 0) {
884 fprintf(stderr
, "error cropping picture\n");
889 formatted_picture
= &picture_crop_temp
;
891 formatted_picture
= in_picture
;
894 final_picture
= formatted_picture
;
895 padding_src
= formatted_picture
;
896 resampling_dst
= &ost
->pict_tmp
;
897 if (ost
->video_pad
) {
898 final_picture
= &ost
->pict_tmp
;
899 if (ost
->video_resample
) {
900 if (av_picture_crop((AVPicture
*)&picture_pad_temp
, (AVPicture
*)final_picture
, enc
->pix_fmt
, ost
->padtop
, ost
->padleft
) < 0) {
901 fprintf(stderr
, "error padding picture\n");
906 resampling_dst
= &picture_pad_temp
;
910 if (ost
->video_resample
) {
912 final_picture
= &ost
->pict_tmp
;
913 sws_scale(ost
->img_resample_ctx
, formatted_picture
->data
, formatted_picture
->linesize
,
914 0, ost
->resample_height
, resampling_dst
->data
, resampling_dst
->linesize
);
917 if (ost
->video_pad
) {
918 av_picture_pad((AVPicture
*)final_picture
, (AVPicture
*)padding_src
,
919 enc
->height
, enc
->width
, enc
->pix_fmt
,
920 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
, padcolor
);
923 /* duplicates frame if needed */
924 for(i
=0;i
<nb_frames
;i
++) {
926 av_init_packet(&pkt
);
927 pkt
.stream_index
= ost
->index
;
929 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
930 /* raw pictures are written as AVPicture structure to
931 avoid any copies. We support temorarily the older
933 AVFrame
* old_frame
= enc
->coded_frame
;
934 enc
->coded_frame
= dec
->coded_frame
; //FIXME/XXX remove this hack
935 pkt
.data
= (uint8_t *)final_picture
;
936 pkt
.size
= sizeof(AVPicture
);
937 pkt
.pts
= av_rescale_q(ost
->sync_opts
, enc
->time_base
, ost
->st
->time_base
);
938 pkt
.flags
|= PKT_FLAG_KEY
;
940 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
941 enc
->coded_frame
= old_frame
;
945 big_picture
= *final_picture
;
946 /* better than nothing: use input picture interlaced
948 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
949 if(avctx_opts
[CODEC_TYPE_VIDEO
]->flags
& (CODEC_FLAG_INTERLACED_DCT
|CODEC_FLAG_INTERLACED_ME
)){
950 if(top_field_first
== -1)
951 big_picture
.top_field_first
= in_picture
->top_field_first
;
953 big_picture
.top_field_first
= top_field_first
;
956 /* handles sameq here. This is not correct because it may
957 not be a global option */
959 big_picture
.quality
= ist
->st
->quality
;
961 big_picture
.quality
= ost
->st
->quality
;
963 big_picture
.pict_type
= 0;
964 // big_picture.pts = AV_NOPTS_VALUE;
965 big_picture
.pts
= ost
->sync_opts
;
966 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
967 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
968 ret
= avcodec_encode_video(enc
,
969 bit_buffer
, bit_buffer_size
,
972 fprintf(stderr
, "Video encoding failed\n");
975 //enc->frame_number = enc->real_pict_num;
977 pkt
.data
= bit_buffer
;
979 if(enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
980 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
981 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
982 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
983 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
985 if(enc
->coded_frame
->key_frame
)
986 pkt
.flags
|= PKT_FLAG_KEY
;
987 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
990 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
991 // enc->frame_number-1, enc->real_pict_num, ret,
993 /* if two pass, output log */
994 if (ost
->logfile
&& enc
->stats_out
) {
995 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1000 ost
->frame_number
++;
1004 static double psnr(double d
){
1005 return -10.0*log(d
)/log(10.0);
1008 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
1011 AVCodecContext
*enc
;
1013 double ti1
, bitrate
, avg_bitrate
;
1015 /* this is executed just the first time do_video_stats is called */
1017 vstats_file
= fopen(vstats_filename
, "w");
1024 enc
= ost
->st
->codec
;
1025 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1026 frame_number
= ost
->frame_number
;
1027 fprintf(vstats_file
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1028 if (enc
->flags
&CODEC_FLAG_PSNR
)
1029 fprintf(vstats_file
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
1031 fprintf(vstats_file
,"f_size= %6d ", frame_size
);
1032 /* compute pts value */
1033 ti1
= ost
->sync_opts
* av_q2d(enc
->time_base
);
1037 bitrate
= (frame_size
* 8) / av_q2d(enc
->time_base
) / 1000.0;
1038 avg_bitrate
= (double)(video_size
* 8) / ti1
/ 1000.0;
1039 fprintf(vstats_file
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1040 (double)video_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
1041 fprintf(vstats_file
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
1045 static void print_report(AVFormatContext
**output_files
,
1046 AVOutputStream
**ost_table
, int nb_ostreams
,
1050 AVOutputStream
*ost
;
1051 AVFormatContext
*oc
, *os
;
1053 AVCodecContext
*enc
;
1054 int frame_number
, vid
, i
;
1055 double bitrate
, ti1
, pts
;
1056 static int64_t last_time
= -1;
1057 static int qp_histogram
[52];
1059 if (!is_last_report
) {
1061 /* display the report every 0.5 seconds */
1062 cur_time
= av_gettime();
1063 if (last_time
== -1) {
1064 last_time
= cur_time
;
1067 if ((cur_time
- last_time
) < 500000)
1069 last_time
= cur_time
;
1073 oc
= output_files
[0];
1075 total_size
= url_fsize(oc
->pb
);
1076 if(total_size
<0) // FIXME improve url_fsize() so it works with non seekable output too
1077 total_size
= url_ftell(oc
->pb
);
1082 for(i
=0;i
<nb_ostreams
;i
++) {
1084 os
= output_files
[ost
->file_index
];
1085 enc
= ost
->st
->codec
;
1086 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1087 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "q=%2.1f ",
1088 !ost
->st
->stream_copy
?
1089 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1091 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1092 float t
= (av_gettime()-timer_start
) / 1000000.0;
1094 frame_number
= ost
->frame_number
;
1095 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "frame=%5d fps=%3d q=%3.1f ",
1096 frame_number
, (t
>1)?(int)(frame_number
/t
+0.5) : 0,
1097 !ost
->st
->stream_copy
?
1098 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1100 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "L");
1103 int qp
= lrintf(enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1104 if(qp
>=0 && qp
<FF_ARRAY_ELEMS(qp_histogram
))
1107 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%X", (int)lrintf(log(qp_histogram
[j
]+1)/log(2)));
1109 if (enc
->flags
&CODEC_FLAG_PSNR
){
1111 double error
, error_sum
=0;
1112 double scale
, scale_sum
=0;
1113 char type
[3]= {'Y','U','V'};
1114 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "PSNR=");
1117 error
= enc
->error
[j
];
1118 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
1120 error
= enc
->coded_frame
->error
[j
];
1121 scale
= enc
->width
*enc
->height
*255.0*255.0;
1126 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
1128 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
1132 /* compute min output value */
1133 pts
= (double)ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
1134 if ((pts
< ti1
) && (pts
> 0))
1140 if (verbose
|| is_last_report
) {
1141 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
1143 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
),
1144 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1145 (double)total_size
/ 1024, ti1
, bitrate
);
1148 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), " dup=%d drop=%d",
1149 nb_frames_dup
, nb_frames_drop
);
1152 fprintf(stderr
, "%s \r", buf
);
1157 if (is_last_report
&& verbose
>= 0){
1158 int64_t raw
= audio_size
+ video_size
+ extra_size
;
1159 fprintf(stderr
, "\n");
1160 fprintf(stderr
, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1164 100.0*(total_size
- raw
)/raw
1169 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1170 static int output_packet(AVInputStream
*ist
, int ist_index
,
1171 AVOutputStream
**ost_table
, int nb_ostreams
,
1172 const AVPacket
*pkt
)
1174 AVFormatContext
*os
;
1175 AVOutputStream
*ost
;
1179 int data_size
, got_picture
;
1181 void *buffer_to_free
;
1182 static unsigned int samples_size
= 0;
1183 static short *samples
= NULL
;
1184 AVSubtitle subtitle
, *subtitle_to_free
;
1187 if(ist
->next_pts
== AV_NOPTS_VALUE
)
1188 ist
->next_pts
= ist
->pts
;
1197 if(pkt
->dts
!= AV_NOPTS_VALUE
)
1198 ist
->next_pts
= ist
->pts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
1203 //while we have more to decode or while the decoder did output something on EOF
1204 while (len
> 0 || (!pkt
&& ist
->next_pts
!= ist
->pts
)) {
1206 ist
->pts
= ist
->next_pts
;
1208 if(len
&& len
!= pkt
->size
&& verbose
>0)
1209 fprintf(stderr
, "Multiple frames in a packet from stream %d\n", pkt
->stream_index
);
1211 /* decode the packet if needed */
1212 data_buf
= NULL
; /* fail safe */
1214 subtitle_to_free
= NULL
;
1215 if (ist
->decoding_needed
) {
1216 switch(ist
->st
->codec
->codec_type
) {
1217 case CODEC_TYPE_AUDIO
:{
1218 if(pkt
&& samples_size
< FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
)) {
1219 samples_size
= FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
);
1221 samples
= av_malloc(samples_size
);
1223 data_size
= samples_size
;
1224 /* XXX: could avoid copy if PCM 16 bits with same
1225 endianness as CPU */
1226 ret
= avcodec_decode_audio2(ist
->st
->codec
, samples
, &data_size
,
1232 /* Some bug in mpeg audio decoder gives */
1233 /* data_size < 0, it seems they are overflows */
1234 if (data_size
<= 0) {
1235 /* no audio frame */
1238 data_buf
= (uint8_t *)samples
;
1239 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
/2 * data_size
) /
1240 (ist
->st
->codec
->sample_rate
* ist
->st
->codec
->channels
);
1242 case CODEC_TYPE_VIDEO
:
1243 data_size
= (ist
->st
->codec
->width
* ist
->st
->codec
->height
* 3) / 2;
1244 /* XXX: allocate picture correctly */
1245 avcodec_get_frame_defaults(&picture
);
1247 ret
= avcodec_decode_video(ist
->st
->codec
,
1248 &picture
, &got_picture
, ptr
, len
);
1249 ist
->st
->quality
= picture
.quality
;
1253 /* no picture yet */
1254 goto discard_packet
;
1256 if (ist
->st
->codec
->time_base
.num
!= 0) {
1257 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1258 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1259 ist
->st
->codec
->time_base
.num
* ticks
) /
1260 ist
->st
->codec
->time_base
.den
;
1264 case CODEC_TYPE_SUBTITLE
:
1265 ret
= avcodec_decode_subtitle(ist
->st
->codec
,
1266 &subtitle
, &got_subtitle
, ptr
, len
);
1269 if (!got_subtitle
) {
1270 goto discard_packet
;
1272 subtitle_to_free
= &subtitle
;
1279 switch(ist
->st
->codec
->codec_type
) {
1280 case CODEC_TYPE_AUDIO
:
1281 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
* ist
->st
->codec
->frame_size
) /
1282 ist
->st
->codec
->sample_rate
;
1284 case CODEC_TYPE_VIDEO
:
1285 if (ist
->st
->codec
->time_base
.num
!= 0) {
1286 int ticks
= ist
->st
->parser
? ist
->st
->parser
->repeat_pict
+1 : ist
->st
->codec
->ticks_per_frame
;
1287 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1288 ist
->st
->codec
->time_base
.num
* ticks
) /
1289 ist
->st
->codec
->time_base
.den
;
1299 buffer_to_free
= NULL
;
1300 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1301 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
1305 // preprocess audio (volume)
1306 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
) {
1307 if (audio_volume
!= 256) {
1310 for(i
=0;i
<(data_size
/ sizeof(short));i
++) {
1311 int v
= ((*volp
) * audio_volume
+ 128) >> 8;
1312 if (v
< -32768) v
= -32768;
1313 if (v
> 32767) v
= 32767;
1319 /* frame rate emulation */
1321 int64_t pts
= av_rescale(ist
->pts
, 1000000, AV_TIME_BASE
);
1322 int64_t now
= av_gettime() - ist
->start
;
1327 /* if output time reached then transcode raw format,
1328 encode packets and output them */
1329 if (start_time
== 0 || ist
->pts
>= start_time
)
1330 for(i
=0;i
<nb_ostreams
;i
++) {
1334 if (ost
->source_index
== ist_index
) {
1335 os
= output_files
[ost
->file_index
];
1338 printf("%d: got pts=%0.3f %0.3f\n", i
,
1339 (double)pkt
->pts
/ AV_TIME_BASE
,
1340 ((double)ist
->pts
/ AV_TIME_BASE
) -
1341 ((double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
));
1343 /* set the input output pts pairs */
1344 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1346 if (ost
->encoding_needed
) {
1347 switch(ost
->st
->codec
->codec_type
) {
1348 case CODEC_TYPE_AUDIO
:
1349 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
1351 case CODEC_TYPE_VIDEO
:
1352 do_video_out(os
, ost
, ist
, &picture
, &frame_size
);
1353 if (vstats_filename
&& frame_size
)
1354 do_video_stats(os
, ost
, frame_size
);
1356 case CODEC_TYPE_SUBTITLE
:
1357 do_subtitle_out(os
, ost
, ist
, &subtitle
,
1364 AVFrame avframe
; //FIXME/XXX remove this
1366 av_init_packet(&opkt
);
1368 if ((!ost
->frame_number
&& !(pkt
->flags
& PKT_FLAG_KEY
)) && !copy_initial_nonkeyframes
)
1371 /* no reencoding needed : output the packet directly */
1372 /* force the input stream PTS */
1374 avcodec_get_frame_defaults(&avframe
);
1375 ost
->st
->codec
->coded_frame
= &avframe
;
1376 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1378 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
)
1379 audio_size
+= data_size
;
1380 else if (ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1381 video_size
+= data_size
;
1385 opkt
.stream_index
= ost
->index
;
1386 if(pkt
->pts
!= AV_NOPTS_VALUE
)
1387 opkt
.pts
= av_rescale_q(pkt
->pts
, ist
->st
->time_base
, ost
->st
->time_base
);
1389 opkt
.pts
= AV_NOPTS_VALUE
;
1391 if (pkt
->dts
== AV_NOPTS_VALUE
)
1392 opkt
.dts
= av_rescale_q(ist
->pts
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1394 opkt
.dts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, ost
->st
->time_base
);
1396 opkt
.duration
= av_rescale_q(pkt
->duration
, ist
->st
->time_base
, ost
->st
->time_base
);
1397 opkt
.flags
= pkt
->flags
;
1399 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1400 if(av_parser_change(ist
->st
->parser
, ost
->st
->codec
, &opkt
.data
, &opkt
.size
, data_buf
, data_size
, pkt
->flags
& PKT_FLAG_KEY
))
1401 opkt
.destruct
= av_destruct_packet
;
1403 write_frame(os
, &opkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][opkt
.stream_index
]);
1404 ost
->st
->codec
->frame_number
++;
1405 ost
->frame_number
++;
1406 av_free_packet(&opkt
);
1410 av_free(buffer_to_free
);
1411 /* XXX: allocate the subtitles in the codec ? */
1412 if (subtitle_to_free
) {
1413 if (subtitle_to_free
->rects
!= NULL
) {
1414 for (i
= 0; i
< subtitle_to_free
->num_rects
; i
++) {
1415 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[0]);
1416 av_freep(&subtitle_to_free
->rects
[i
]->pict
.data
[1]);
1417 av_freep(&subtitle_to_free
->rects
[i
]);
1419 av_freep(&subtitle_to_free
->rects
);
1421 subtitle_to_free
->num_rects
= 0;
1422 subtitle_to_free
= NULL
;
1429 for(i
=0;i
<nb_ostreams
;i
++) {
1431 if (ost
->source_index
== ist_index
) {
1432 AVCodecContext
*enc
= ost
->st
->codec
;
1433 os
= output_files
[ost
->file_index
];
1435 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& enc
->frame_size
<=1)
1437 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& (os
->oformat
->flags
& AVFMT_RAWPICTURE
))
1440 if (ost
->encoding_needed
) {
1444 av_init_packet(&pkt
);
1445 pkt
.stream_index
= ost
->index
;
1447 switch(ost
->st
->codec
->codec_type
) {
1448 case CODEC_TYPE_AUDIO
:
1449 fifo_bytes
= av_fifo_size(&ost
->fifo
);
1451 /* encode any samples remaining in fifo */
1452 if(fifo_bytes
> 0 && enc
->codec
->capabilities
& CODEC_CAP_SMALL_LAST_FRAME
) {
1453 int fs_tmp
= enc
->frame_size
;
1454 enc
->frame_size
= fifo_bytes
/ (2 * enc
->channels
);
1455 av_fifo_read(&ost
->fifo
, (uint8_t *)samples
, fifo_bytes
);
1456 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, samples
);
1457 enc
->frame_size
= fs_tmp
;
1460 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1463 fprintf(stderr
, "Audio encoding failed\n");
1467 pkt
.flags
|= PKT_FLAG_KEY
;
1469 case CODEC_TYPE_VIDEO
:
1470 ret
= avcodec_encode_video(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1472 fprintf(stderr
, "Video encoding failed\n");
1476 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
1477 pkt
.flags
|= PKT_FLAG_KEY
;
1478 if (ost
->logfile
&& enc
->stats_out
) {
1479 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1488 pkt
.data
= bit_buffer
;
1490 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
1491 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
1492 write_frame(os
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1504 static void print_sdp(AVFormatContext
**avc
, int n
)
1508 avf_sdp_create(avc
, n
, sdp
, sizeof(sdp
));
1509 printf("SDP:\n%s\n", sdp
);
1513 static int stream_index_from_inputs(AVFormatContext
**input_files
,
1515 AVInputFile
*file_table
,
1516 AVInputStream
**ist_table
,
1517 enum CodecType type
,
1521 for(z
=0; z
<nb_input_files
; z
++) {
1522 AVFormatContext
*ic
= input_files
[z
];
1523 for(p
=0; p
<ic
->nb_programs
; p
++) {
1524 AVProgram
*program
= ic
->programs
[p
];
1525 if(program
->id
!= programid
)
1527 for(q
=0; q
<program
->nb_stream_indexes
; q
++) {
1528 int sidx
= program
->stream_index
[q
];
1529 int ris
= file_table
[z
].ist_index
+ sidx
;
1530 if(ist_table
[ris
]->discard
&& ic
->streams
[sidx
]->codec
->codec_type
== type
)
1540 * The following code is the main loop of the file converter
1542 static int av_encode(AVFormatContext
**output_files
,
1543 int nb_output_files
,
1544 AVFormatContext
**input_files
,
1546 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1548 int ret
, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1549 AVFormatContext
*is
, *os
;
1550 AVCodecContext
*codec
, *icodec
;
1551 AVOutputStream
*ost
, **ost_table
= NULL
;
1552 AVInputStream
*ist
, **ist_table
= NULL
;
1553 AVInputFile
*file_table
;
1557 file_table
= av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1561 /* input stream init */
1563 for(i
=0;i
<nb_input_files
;i
++) {
1564 is
= input_files
[i
];
1565 file_table
[i
].ist_index
= j
;
1566 file_table
[i
].nb_streams
= is
->nb_streams
;
1567 j
+= is
->nb_streams
;
1571 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1575 for(i
=0;i
<nb_istreams
;i
++) {
1576 ist
= av_mallocz(sizeof(AVInputStream
));
1582 for(i
=0;i
<nb_input_files
;i
++) {
1583 is
= input_files
[i
];
1584 for(k
=0;k
<is
->nb_streams
;k
++) {
1585 ist
= ist_table
[j
++];
1586 ist
->st
= is
->streams
[k
];
1587 ist
->file_index
= i
;
1589 ist
->discard
= 1; /* the stream is discarded by default
1593 ist
->start
= av_gettime();
1598 /* output stream init */
1600 for(i
=0;i
<nb_output_files
;i
++) {
1601 os
= output_files
[i
];
1602 if (!os
->nb_streams
) {
1603 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1604 fprintf(stderr
, "Output file #%d does not contain any stream\n", i
);
1607 nb_ostreams
+= os
->nb_streams
;
1609 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1610 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1614 /* Sanity check the mapping args -- do the input files & streams exist? */
1615 for(i
=0;i
<nb_stream_maps
;i
++) {
1616 int fi
= stream_maps
[i
].file_index
;
1617 int si
= stream_maps
[i
].stream_index
;
1619 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1620 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1621 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1624 fi
= stream_maps
[i
].sync_file_index
;
1625 si
= stream_maps
[i
].sync_stream_index
;
1626 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1627 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1628 fprintf(stderr
,"Could not find sync stream #%d.%d\n", fi
, si
);
1633 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1636 for(i
=0;i
<nb_ostreams
;i
++) {
1637 ost
= av_mallocz(sizeof(AVOutputStream
));
1644 for(k
=0;k
<nb_output_files
;k
++) {
1645 os
= output_files
[k
];
1646 for(i
=0;i
<os
->nb_streams
;i
++,n
++) {
1649 ost
->file_index
= k
;
1651 ost
->st
= os
->streams
[i
];
1652 if (nb_stream_maps
> 0) {
1653 ost
->source_index
= file_table
[stream_maps
[n
].file_index
].ist_index
+
1654 stream_maps
[n
].stream_index
;
1656 /* Sanity check that the stream types match */
1657 if (ist_table
[ost
->source_index
]->st
->codec
->codec_type
!= ost
->st
->codec
->codec_type
) {
1658 int i
= ost
->file_index
;
1659 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1660 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1661 stream_maps
[n
].file_index
, stream_maps
[n
].stream_index
,
1662 ost
->file_index
, ost
->index
);
1669 j
= stream_index_from_inputs(input_files
, nb_input_files
, file_table
, ist_table
, ost
->st
->codec
->codec_type
, opt_programid
);
1671 ost
->source_index
= j
;
1675 /* get corresponding input stream index : we select the first one with the right type */
1677 for(j
=0;j
<nb_istreams
;j
++) {
1680 ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1681 ost
->source_index
= j
;
1689 if(! opt_programid
) {
1690 /* try again and reuse existing stream */
1691 for(j
=0;j
<nb_istreams
;j
++) {
1693 if (ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1694 ost
->source_index
= j
;
1700 int i
= ost
->file_index
;
1701 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1702 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1703 ost
->file_index
, ost
->index
);
1708 ist
= ist_table
[ost
->source_index
];
1710 ost
->sync_ist
= (nb_stream_maps
> 0) ?
1711 ist_table
[file_table
[stream_maps
[n
].sync_file_index
].ist_index
+
1712 stream_maps
[n
].sync_stream_index
] : ist
;
1716 /* for each output stream, we compute the right encoding parameters */
1717 for(i
=0;i
<nb_ostreams
;i
++) {
1718 AVMetadataTag
*lang
;
1720 os
= output_files
[ost
->file_index
];
1721 ist
= ist_table
[ost
->source_index
];
1723 codec
= ost
->st
->codec
;
1724 icodec
= ist
->st
->codec
;
1726 if ((lang
=av_metadata_get(ist
->st
->metadata
, "language", NULL
, 0))
1727 && !av_metadata_get(ost
->st
->metadata
, "language", NULL
, 0))
1728 av_metadata_set(&ost
->st
->metadata
, "language", lang
->value
);
1730 ost
->st
->disposition
= ist
->st
->disposition
;
1732 if (ost
->st
->stream_copy
) {
1733 /* if stream_copy is selected, no need to decode or encode */
1734 codec
->codec_id
= icodec
->codec_id
;
1735 codec
->codec_type
= icodec
->codec_type
;
1737 if(!codec
->codec_tag
){
1738 if( !os
->oformat
->codec_tag
1739 || av_codec_get_id (os
->oformat
->codec_tag
, icodec
->codec_tag
) > 0
1740 || av_codec_get_tag(os
->oformat
->codec_tag
, icodec
->codec_id
) <= 0)
1741 codec
->codec_tag
= icodec
->codec_tag
;
1744 codec
->bit_rate
= icodec
->bit_rate
;
1745 codec
->extradata
= icodec
->extradata
;
1746 codec
->extradata_size
= icodec
->extradata_size
;
1747 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){
1748 codec
->time_base
= icodec
->time_base
;
1749 codec
->time_base
.num
*= icodec
->ticks_per_frame
;
1751 codec
->time_base
= ist
->st
->time_base
;
1752 switch(codec
->codec_type
) {
1753 case CODEC_TYPE_AUDIO
:
1754 if(audio_volume
!= 256) {
1755 fprintf(stderr
,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1758 codec
->channel_layout
= icodec
->channel_layout
;
1759 codec
->sample_rate
= icodec
->sample_rate
;
1760 codec
->channels
= icodec
->channels
;
1761 codec
->frame_size
= icodec
->frame_size
;
1762 codec
->block_align
= icodec
->block_align
;
1763 if(codec
->block_align
== 1 && codec
->codec_id
== CODEC_ID_MP3
)
1764 codec
->block_align
= 0;
1765 if(codec
->codec_id
== CODEC_ID_AC3
)
1766 codec
->block_align
= 0;
1768 case CODEC_TYPE_VIDEO
:
1769 codec
->pix_fmt
= icodec
->pix_fmt
;
1770 codec
->width
= icodec
->width
;
1771 codec
->height
= icodec
->height
;
1772 codec
->has_b_frames
= icodec
->has_b_frames
;
1774 case CODEC_TYPE_SUBTITLE
:
1775 codec
->width
= icodec
->width
;
1776 codec
->height
= icodec
->height
;
1782 switch(codec
->codec_type
) {
1783 case CODEC_TYPE_AUDIO
:
1784 if (av_fifo_init(&ost
->fifo
, 1024))
1786 ost
->reformat_pair
= MAKE_SFMT_PAIR(SAMPLE_FMT_NONE
,SAMPLE_FMT_NONE
);
1787 ost
->audio_resample
= codec
->sample_rate
!= icodec
->sample_rate
|| audio_sync_method
> 1;
1788 icodec
->request_channels
= codec
->channels
;
1789 ist
->decoding_needed
= 1;
1790 ost
->encoding_needed
= 1;
1792 case CODEC_TYPE_VIDEO
:
1793 ost
->video_crop
= ((frame_leftBand
+ frame_rightBand
+ frame_topBand
+ frame_bottomBand
) != 0);
1794 ost
->video_pad
= ((frame_padleft
+ frame_padright
+ frame_padtop
+ frame_padbottom
) != 0);
1795 ost
->video_resample
= ((codec
->width
!= icodec
->width
-
1796 (frame_leftBand
+ frame_rightBand
) +
1797 (frame_padleft
+ frame_padright
)) ||
1798 (codec
->height
!= icodec
->height
-
1799 (frame_topBand
+ frame_bottomBand
) +
1800 (frame_padtop
+ frame_padbottom
)) ||
1801 (codec
->pix_fmt
!= icodec
->pix_fmt
));
1802 if (ost
->video_crop
) {
1803 ost
->topBand
= frame_topBand
;
1804 ost
->leftBand
= frame_leftBand
;
1806 if (ost
->video_pad
) {
1807 ost
->padtop
= frame_padtop
;
1808 ost
->padleft
= frame_padleft
;
1809 ost
->padbottom
= frame_padbottom
;
1810 ost
->padright
= frame_padright
;
1811 if (!ost
->video_resample
) {
1812 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1813 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1814 codec
->width
, codec
->height
))
1818 if (ost
->video_resample
) {
1819 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1820 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1821 codec
->width
, codec
->height
)) {
1822 fprintf(stderr
, "Cannot allocate temp picture, check pix fmt\n");
1825 sws_flags
= av_get_int(sws_opts
, "sws_flags", NULL
);
1826 ost
->img_resample_ctx
= sws_getContext(
1827 icodec
->width
- (frame_leftBand
+ frame_rightBand
),
1828 icodec
->height
- (frame_topBand
+ frame_bottomBand
),
1830 codec
->width
- (frame_padleft
+ frame_padright
),
1831 codec
->height
- (frame_padtop
+ frame_padbottom
),
1833 sws_flags
, NULL
, NULL
, NULL
);
1834 if (ost
->img_resample_ctx
== NULL
) {
1835 fprintf(stderr
, "Cannot get resampling context\n");
1838 ost
->resample_height
= icodec
->height
- (frame_topBand
+ frame_bottomBand
);
1840 ost
->encoding_needed
= 1;
1841 ist
->decoding_needed
= 1;
1843 case CODEC_TYPE_SUBTITLE
:
1844 ost
->encoding_needed
= 1;
1845 ist
->decoding_needed
= 1;
1852 if (ost
->encoding_needed
&&
1853 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1854 char logfilename
[1024];
1859 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1860 pass_logfilename_prefix
? pass_logfilename_prefix
: DEFAULT_PASS_LOGFILENAME_PREFIX
,
1862 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1863 f
= fopen(logfilename
, "w");
1865 fprintf(stderr
, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename
, strerror(errno
));
1870 /* read the log file */
1871 f
= fopen(logfilename
, "r");
1873 fprintf(stderr
, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename
, strerror(errno
));
1876 fseek(f
, 0, SEEK_END
);
1878 fseek(f
, 0, SEEK_SET
);
1879 logbuffer
= av_malloc(size
+ 1);
1881 fprintf(stderr
, "Could not allocate log buffer\n");
1884 size
= fread(logbuffer
, 1, size
, f
);
1886 logbuffer
[size
] = '\0';
1887 codec
->stats_in
= logbuffer
;
1891 if(codec
->codec_type
== CODEC_TYPE_VIDEO
){
1892 int size
= codec
->width
* codec
->height
;
1893 bit_buffer_size
= FFMAX(bit_buffer_size
, 6*size
+ 200);
1898 bit_buffer
= av_malloc(bit_buffer_size
);
1902 /* dump the file output parameters - cannot be done before in case
1904 for(i
=0;i
<nb_output_files
;i
++) {
1905 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1908 /* dump the stream mapping */
1910 fprintf(stderr
, "Stream mapping:\n");
1911 for(i
=0;i
<nb_ostreams
;i
++) {
1913 fprintf(stderr
, " Stream #%d.%d -> #%d.%d",
1914 ist_table
[ost
->source_index
]->file_index
,
1915 ist_table
[ost
->source_index
]->index
,
1918 if (ost
->sync_ist
!= ist_table
[ost
->source_index
])
1919 fprintf(stderr
, " [sync #%d.%d]",
1920 ost
->sync_ist
->file_index
,
1921 ost
->sync_ist
->index
);
1922 fprintf(stderr
, "\n");
1926 /* open each encoder */
1927 for(i
=0;i
<nb_ostreams
;i
++) {
1929 if (ost
->encoding_needed
) {
1930 AVCodec
*codec
= output_codecs
[i
];
1932 codec
= avcodec_find_encoder(ost
->st
->codec
->codec_id
);
1934 fprintf(stderr
, "Unsupported codec for output stream #%d.%d\n",
1935 ost
->file_index
, ost
->index
);
1938 if (avcodec_open(ost
->st
->codec
, codec
) < 0) {
1939 fprintf(stderr
, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1940 ost
->file_index
, ost
->index
);
1943 extra_size
+= ost
->st
->codec
->extradata_size
;
1947 /* open each decoder */
1948 for(i
=0;i
<nb_istreams
;i
++) {
1950 if (ist
->decoding_needed
) {
1951 AVCodec
*codec
= input_codecs
[i
];
1953 codec
= avcodec_find_decoder(ist
->st
->codec
->codec_id
);
1955 fprintf(stderr
, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1956 ist
->st
->codec
->codec_id
, ist
->file_index
, ist
->index
);
1959 if (avcodec_open(ist
->st
->codec
, codec
) < 0) {
1960 fprintf(stderr
, "Error while opening codec for input stream #%d.%d\n",
1961 ist
->file_index
, ist
->index
);
1964 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1965 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1970 for(i
=0;i
<nb_istreams
;i
++) {
1972 is
= input_files
[ist
->file_index
];
1974 ist
->next_pts
= AV_NOPTS_VALUE
;
1978 /* set meta data information from input file if required */
1979 for (i
=0;i
<nb_meta_data_maps
;i
++) {
1980 AVFormatContext
*out_file
;
1981 AVFormatContext
*in_file
;
1982 AVMetadataTag
*mtag
;
1984 int out_file_index
= meta_data_maps
[i
].out_file
;
1985 int in_file_index
= meta_data_maps
[i
].in_file
;
1986 if (out_file_index
< 0 || out_file_index
>= nb_output_files
) {
1987 fprintf(stderr
, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index
, out_file_index
, in_file_index
);
1988 ret
= AVERROR(EINVAL
);
1991 if (in_file_index
< 0 || in_file_index
>= nb_input_files
) {
1992 fprintf(stderr
, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index
, out_file_index
, in_file_index
);
1993 ret
= AVERROR(EINVAL
);
1997 out_file
= output_files
[out_file_index
];
1998 in_file
= input_files
[in_file_index
];
2002 while((mtag
=av_metadata_get(in_file
->metadata
, "", mtag
, AV_METADATA_IGNORE_SUFFIX
)))
2003 av_metadata_set(&out_file
->metadata
, mtag
->key
, mtag
->value
);
2004 av_metadata_conv(out_file
, out_file
->oformat
->metadata_conv
,
2005 in_file
->iformat
->metadata_conv
);
2008 /* open files and write file headers */
2009 for(i
=0;i
<nb_output_files
;i
++) {
2010 os
= output_files
[i
];
2011 if (av_write_header(os
) < 0) {
2012 fprintf(stderr
, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i
);
2013 ret
= AVERROR(EINVAL
);
2016 if (strcmp(output_files
[i
]->oformat
->name
, "rtp")) {
2021 print_sdp(output_files
, nb_output_files
);
2024 if (!using_stdin
&& verbose
>= 0) {
2025 fprintf(stderr
, "Press [q] to stop encoding\n");
2026 url_set_interrupt_cb(decode_interrupt_cb
);
2031 timer_start
= av_gettime();
2033 for(; received_sigterm
== 0;) {
2034 int file_index
, ist_index
;
2042 /* if 'q' pressed, exits */
2046 /* read_key() returns 0 on EOF */
2052 /* select the stream that we must read now by looking at the
2053 smallest output pts */
2055 for(i
=0;i
<nb_ostreams
;i
++) {
2058 os
= output_files
[ost
->file_index
];
2059 ist
= ist_table
[ost
->source_index
];
2060 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
)
2061 opts
= ost
->sync_opts
* av_q2d(ost
->st
->codec
->time_base
);
2063 opts
= ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
2064 ipts
= (double)ist
->pts
;
2065 if (!file_table
[ist
->file_index
].eof_reached
){
2066 if(ipts
< ipts_min
) {
2068 if(input_sync
) file_index
= ist
->file_index
;
2070 if(opts
< opts_min
) {
2072 if(!input_sync
) file_index
= ist
->file_index
;
2075 if(ost
->frame_number
>= max_frames
[ost
->st
->codec
->codec_type
]){
2080 /* if none, if is finished */
2081 if (file_index
< 0) {
2085 /* finish if recording time exhausted */
2086 if (opts_min
>= (recording_time
/ 1000000.0))
2089 /* finish if limit size exhausted */
2090 if (limit_filesize
!= 0 && limit_filesize
< url_ftell(output_files
[0]->pb
))
2093 /* read a frame from it and output it in the fifo */
2094 is
= input_files
[file_index
];
2095 ret
= av_read_frame(is
, &pkt
);
2096 if(ret
== AVERROR(EAGAIN
) && strcmp(is
->iformat
->name
, "ffm"))
2099 file_table
[file_index
].eof_reached
= 1;
2107 av_pkt_dump_log(NULL
, AV_LOG_DEBUG
, &pkt
, do_hex_dump
);
2109 /* the following test is needed in case new streams appear
2110 dynamically in stream : we ignore them */
2111 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
2112 goto discard_packet
;
2113 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
2114 ist
= ist_table
[ist_index
];
2116 goto discard_packet
;
2118 if (pkt
.dts
!= AV_NOPTS_VALUE
)
2119 pkt
.dts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2120 if (pkt
.pts
!= AV_NOPTS_VALUE
)
2121 pkt
.pts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2123 if(input_files_ts_scale
[file_index
][pkt
.stream_index
]){
2124 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2125 pkt
.pts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2126 if(pkt
.dts
!= AV_NOPTS_VALUE
)
2127 pkt
.dts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2130 // 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);
2131 if (pkt
.dts
!= AV_NOPTS_VALUE
&& ist
->next_pts
!= AV_NOPTS_VALUE
2132 && (is
->iformat
->flags
& AVFMT_TS_DISCONT
)) {
2133 int64_t pkt_dts
= av_rescale_q(pkt
.dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
2134 int64_t delta
= pkt_dts
- ist
->next_pts
;
2135 if((FFABS(delta
) > 1LL*dts_delta_threshold
*AV_TIME_BASE
|| pkt_dts
+1<ist
->pts
)&& !copy_ts
){
2136 input_files_ts_offset
[ist
->file_index
]-= delta
;
2138 fprintf(stderr
, "timestamp discontinuity %"PRId64
", new offset= %"PRId64
"\n", delta
, input_files_ts_offset
[ist
->file_index
]);
2139 pkt
.dts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2140 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2141 pkt
.pts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2145 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2146 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
2149 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
2150 ist
->file_index
, ist
->index
);
2153 av_free_packet(&pkt
);
2158 av_free_packet(&pkt
);
2160 /* dump report by using the output first video and audio streams */
2161 print_report(output_files
, ost_table
, nb_ostreams
, 0);
2164 /* at the end of stream, we must flush the decoder buffers */
2165 for(i
=0;i
<nb_istreams
;i
++) {
2167 if (ist
->decoding_needed
) {
2168 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
2174 /* write the trailer if needed and close file */
2175 for(i
=0;i
<nb_output_files
;i
++) {
2176 os
= output_files
[i
];
2177 av_write_trailer(os
);
2180 /* dump report by using the first video and audio streams */
2181 print_report(output_files
, ost_table
, nb_ostreams
, 1);
2183 /* close each encoder */
2184 for(i
=0;i
<nb_ostreams
;i
++) {
2186 if (ost
->encoding_needed
) {
2187 av_freep(&ost
->st
->codec
->stats_in
);
2188 avcodec_close(ost
->st
->codec
);
2192 /* close each decoder */
2193 for(i
=0;i
<nb_istreams
;i
++) {
2195 if (ist
->decoding_needed
) {
2196 avcodec_close(ist
->st
->codec
);
2204 av_freep(&bit_buffer
);
2205 av_free(file_table
);
2208 for(i
=0;i
<nb_istreams
;i
++) {
2215 for(i
=0;i
<nb_ostreams
;i
++) {
2219 fclose(ost
->logfile
);
2220 ost
->logfile
= NULL
;
2222 av_fifo_free(&ost
->fifo
); /* works even if fifo is not
2223 initialized but set to zero */
2224 av_free(ost
->pict_tmp
.data
[0]);
2225 if (ost
->video_resample
)
2226 sws_freeContext(ost
->img_resample_ctx
);
2228 audio_resample_close(ost
->resample
);
2229 if (ost
->reformat_ctx
)
2230 av_audio_convert_free(ost
->reformat_ctx
);
2238 ret
= AVERROR(ENOMEM
);
2243 int file_read(const char *filename
)
2246 unsigned char buffer
[1024];
2249 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
2250 printf("could not open '%s'\n", filename
);
2254 len
= url_read(h
, buffer
, sizeof(buffer
));
2257 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
2264 static void opt_format(const char *arg
)
2266 /* compatibility stuff for pgmyuv */
2267 if (!strcmp(arg
, "pgmyuv")) {
2268 pgmyuv_compatibility_hack
=1;
2269 // opt_image_format(arg);
2271 fprintf(stderr
, "pgmyuv format is deprecated, use image2\n");
2274 file_iformat
= av_find_input_format(arg
);
2275 file_oformat
= guess_format(arg
, NULL
, NULL
);
2276 if (!file_iformat
&& !file_oformat
) {
2277 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
2282 static void opt_video_rc_override_string(const char *arg
)
2284 video_rc_override_string
= arg
;
2287 static int opt_me_threshold(const char *opt
, const char *arg
)
2289 me_threshold
= parse_number_or_die(opt
, arg
, OPT_INT64
, INT_MIN
, INT_MAX
);
2293 static int opt_verbose(const char *opt
, const char *arg
)
2295 verbose
= parse_number_or_die(opt
, arg
, OPT_INT64
, -10, 10);
2296 av_log_set_level(verbose
);
2300 static int opt_frame_rate(const char *opt
, const char *arg
)
2302 if (av_parse_video_frame_rate(&frame_rate
, arg
) < 0) {
2303 fprintf(stderr
, "Incorrect value for %s: %s\n", opt
, arg
);
2309 static int opt_bitrate(const char *opt
, const char *arg
)
2311 int codec_type
= opt
[0]=='a' ? CODEC_TYPE_AUDIO
: CODEC_TYPE_VIDEO
;
2313 opt_default(opt
, arg
);
2315 if (av_get_int(avctx_opts
[codec_type
], "b", NULL
) < 1000)
2316 fprintf(stderr
, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2321 static void opt_frame_crop_top(const char *arg
)
2323 frame_topBand
= atoi(arg
);
2324 if (frame_topBand
< 0) {
2325 fprintf(stderr
, "Incorrect top crop size\n");
2328 if ((frame_topBand
% 2) != 0) {
2329 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
2332 if ((frame_topBand
) >= frame_height
){
2333 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2336 frame_height
-= frame_topBand
;
2339 static void opt_frame_crop_bottom(const char *arg
)
2341 frame_bottomBand
= atoi(arg
);
2342 if (frame_bottomBand
< 0) {
2343 fprintf(stderr
, "Incorrect bottom crop size\n");
2346 if ((frame_bottomBand
% 2) != 0) {
2347 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
2350 if ((frame_bottomBand
) >= frame_height
){
2351 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2354 frame_height
-= frame_bottomBand
;
2357 static void opt_frame_crop_left(const char *arg
)
2359 frame_leftBand
= atoi(arg
);
2360 if (frame_leftBand
< 0) {
2361 fprintf(stderr
, "Incorrect left crop size\n");
2364 if ((frame_leftBand
% 2) != 0) {
2365 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
2368 if ((frame_leftBand
) >= frame_width
){
2369 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2372 frame_width
-= frame_leftBand
;
2375 static void opt_frame_crop_right(const char *arg
)
2377 frame_rightBand
= atoi(arg
);
2378 if (frame_rightBand
< 0) {
2379 fprintf(stderr
, "Incorrect right crop size\n");
2382 if ((frame_rightBand
% 2) != 0) {
2383 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
2386 if ((frame_rightBand
) >= frame_width
){
2387 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2390 frame_width
-= frame_rightBand
;
2393 static void opt_frame_size(const char *arg
)
2395 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2396 fprintf(stderr
, "Incorrect frame size\n");
2399 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2400 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2406 #define SCALEBITS 10
2407 #define ONE_HALF (1 << (SCALEBITS - 1))
2408 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2410 #define RGB_TO_Y(r, g, b) \
2411 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2412 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2414 #define RGB_TO_U(r1, g1, b1, shift)\
2415 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2416 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2418 #define RGB_TO_V(r1, g1, b1, shift)\
2419 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2420 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2422 static void opt_pad_color(const char *arg
) {
2423 /* Input is expected to be six hex digits similar to
2424 how colors are expressed in html tags (but without the #) */
2425 int rgb
= strtol(arg
, NULL
, 16);
2429 g
= ((rgb
>> 8) & 255);
2432 padcolor
[0] = RGB_TO_Y(r
,g
,b
);
2433 padcolor
[1] = RGB_TO_U(r
,g
,b
,0);
2434 padcolor
[2] = RGB_TO_V(r
,g
,b
,0);
2437 static void opt_frame_pad_top(const char *arg
)
2439 frame_padtop
= atoi(arg
);
2440 if (frame_padtop
< 0) {
2441 fprintf(stderr
, "Incorrect top pad size\n");
2444 if ((frame_padtop
% 2) != 0) {
2445 fprintf(stderr
, "Top pad size must be a multiple of 2\n");
2450 static void opt_frame_pad_bottom(const char *arg
)
2452 frame_padbottom
= atoi(arg
);
2453 if (frame_padbottom
< 0) {
2454 fprintf(stderr
, "Incorrect bottom pad size\n");
2457 if ((frame_padbottom
% 2) != 0) {
2458 fprintf(stderr
, "Bottom pad size must be a multiple of 2\n");
2464 static void opt_frame_pad_left(const char *arg
)
2466 frame_padleft
= atoi(arg
);
2467 if (frame_padleft
< 0) {
2468 fprintf(stderr
, "Incorrect left pad size\n");
2471 if ((frame_padleft
% 2) != 0) {
2472 fprintf(stderr
, "Left pad size must be a multiple of 2\n");
2478 static void opt_frame_pad_right(const char *arg
)
2480 frame_padright
= atoi(arg
);
2481 if (frame_padright
< 0) {
2482 fprintf(stderr
, "Incorrect right pad size\n");
2485 if ((frame_padright
% 2) != 0) {
2486 fprintf(stderr
, "Right pad size must be a multiple of 2\n");
2491 static void list_fmts(void (*get_fmt_string
)(char *buf
, int buf_size
, int fmt
), int nb_fmts
)
2495 for (i
=-1; i
< nb_fmts
; i
++) {
2496 get_fmt_string (fmt_str
, sizeof(fmt_str
), i
);
2497 fprintf(stdout
, "%s\n", fmt_str
);
2501 static void opt_frame_pix_fmt(const char *arg
)
2503 if (strcmp(arg
, "list"))
2504 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2506 list_fmts(avcodec_pix_fmt_string
, PIX_FMT_NB
);
2511 static void opt_frame_aspect_ratio(const char *arg
)
2518 p
= strchr(arg
, ':');
2520 x
= strtol(arg
, &end
, 10);
2522 y
= strtol(end
+1, &end
, 10);
2524 ar
= (double)x
/ (double)y
;
2526 ar
= strtod(arg
, NULL
);
2529 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
2532 frame_aspect_ratio
= ar
;
2535 static int opt_metadata(const char *opt
, const char *arg
)
2537 char *mid
= strchr(arg
, '=');
2540 fprintf(stderr
, "Missing =\n");
2546 metadata
= av_realloc(metadata
, sizeof(*metadata
)*metadata_count
);
2547 metadata
[metadata_count
-1].key
= av_strdup(arg
);
2548 metadata
[metadata_count
-1].value
= av_strdup(mid
);
2553 static void opt_qscale(const char *arg
)
2555 video_qscale
= atof(arg
);
2556 if (video_qscale
<= 0 ||
2557 video_qscale
> 255) {
2558 fprintf(stderr
, "qscale must be > 0.0 and <= 255\n");
2563 static void opt_top_field_first(const char *arg
)
2565 top_field_first
= atoi(arg
);
2568 static int opt_thread_count(const char *opt
, const char *arg
)
2570 thread_count
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2573 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2578 static void opt_audio_sample_fmt(const char *arg
)
2580 if (strcmp(arg
, "list"))
2581 audio_sample_fmt
= avcodec_get_sample_fmt(arg
);
2583 list_fmts(avcodec_sample_fmt_string
, SAMPLE_FMT_NB
);
2588 static int opt_audio_rate(const char *opt
, const char *arg
)
2590 audio_sample_rate
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2594 static int opt_audio_channels(const char *opt
, const char *arg
)
2596 audio_channels
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2600 static void opt_video_channel(const char *arg
)
2602 video_channel
= strtol(arg
, NULL
, 0);
2605 static void opt_video_standard(const char *arg
)
2607 video_standard
= av_strdup(arg
);
2610 static void opt_codec(int *pstream_copy
, char **pcodec_name
,
2611 int codec_type
, const char *arg
)
2613 av_freep(pcodec_name
);
2614 if (!strcmp(arg
, "copy")) {
2617 *pcodec_name
= av_strdup(arg
);
2621 static void opt_audio_codec(const char *arg
)
2623 opt_codec(&audio_stream_copy
, &audio_codec_name
, CODEC_TYPE_AUDIO
, arg
);
2626 static void opt_audio_tag(const char *arg
)
2629 audio_codec_tag
= strtol(arg
, &tail
, 0);
2632 audio_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2635 static void opt_video_tag(const char *arg
)
2638 video_codec_tag
= strtol(arg
, &tail
, 0);
2641 video_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2644 static void opt_video_codec(const char *arg
)
2646 opt_codec(&video_stream_copy
, &video_codec_name
, CODEC_TYPE_VIDEO
, arg
);
2649 static void opt_subtitle_codec(const char *arg
)
2651 opt_codec(&subtitle_stream_copy
, &subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, arg
);
2654 static void opt_map(const char *arg
)
2659 m
= &stream_maps
[nb_stream_maps
++];
2661 m
->file_index
= strtol(arg
, &p
, 0);
2665 m
->stream_index
= strtol(p
, &p
, 0);
2668 m
->sync_file_index
= strtol(p
, &p
, 0);
2671 m
->sync_stream_index
= strtol(p
, &p
, 0);
2673 m
->sync_file_index
= m
->file_index
;
2674 m
->sync_stream_index
= m
->stream_index
;
2678 static void opt_map_meta_data(const char *arg
)
2683 m
= &meta_data_maps
[nb_meta_data_maps
++];
2685 m
->out_file
= strtol(arg
, &p
, 0);
2689 m
->in_file
= strtol(p
, &p
, 0);
2692 static void opt_input_ts_scale(const char *arg
)
2694 unsigned int stream
;
2698 stream
= strtol(arg
, &p
, 0);
2701 scale
= strtod(p
, &p
);
2703 if(stream
>= MAX_STREAMS
)
2706 input_files_ts_scale
[nb_input_files
][stream
]= scale
;
2709 static int opt_recording_time(const char *opt
, const char *arg
)
2711 recording_time
= parse_time_or_die(opt
, arg
, 1);
2715 static int opt_start_time(const char *opt
, const char *arg
)
2717 start_time
= parse_time_or_die(opt
, arg
, 1);
2721 static int opt_rec_timestamp(const char *opt
, const char *arg
)
2723 rec_timestamp
= parse_time_or_die(opt
, arg
, 0) / 1000000;
2727 static int opt_input_ts_offset(const char *opt
, const char *arg
)
2729 input_ts_offset
= parse_time_or_die(opt
, arg
, 1);
2733 static enum CodecID
find_codec_or_die(const char *name
, int type
, int encoder
)
2735 const char *codec_string
= encoder
? "encoder" : "decoder";
2739 return CODEC_ID_NONE
;
2741 avcodec_find_encoder_by_name(name
) :
2742 avcodec_find_decoder_by_name(name
);
2744 fprintf(stderr
, "Unknown %s '%s'\n", codec_string
, name
);
2747 if(codec
->type
!= type
) {
2748 fprintf(stderr
, "Invalid %s type '%s'\n", codec_string
, name
);
2754 static void opt_input_file(const char *filename
)
2756 AVFormatContext
*ic
;
2757 AVFormatParameters params
, *ap
= ¶ms
;
2758 int err
, i
, ret
, rfps
, rfps_base
;
2761 if (!strcmp(filename
, "-"))
2764 using_stdin
|= !strncmp(filename
, "pipe:", 5) ||
2765 !strcmp(filename
, "/dev/stdin");
2767 /* get default parameters from command line */
2768 ic
= avformat_alloc_context();
2770 memset(ap
, 0, sizeof(*ap
));
2771 ap
->prealloced_context
= 1;
2772 ap
->sample_rate
= audio_sample_rate
;
2773 ap
->channels
= audio_channels
;
2774 ap
->time_base
.den
= frame_rate
.num
;
2775 ap
->time_base
.num
= frame_rate
.den
;
2776 ap
->width
= frame_width
+ frame_padleft
+ frame_padright
;
2777 ap
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2778 ap
->pix_fmt
= frame_pix_fmt
;
2779 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2780 ap
->channel
= video_channel
;
2781 ap
->standard
= video_standard
;
2782 ap
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2783 ap
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2784 if(pgmyuv_compatibility_hack
)
2785 ap
->video_codec_id
= CODEC_ID_PGMYUV
;
2787 set_context_opts(ic
, avformat_opts
, AV_OPT_FLAG_DECODING_PARAM
);
2789 ic
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2790 ic
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2791 ic
->subtitle_codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 0);
2793 /* open the input file with generic libav function */
2794 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2796 print_error(filename
, err
);
2801 for(i
=0; i
<ic
->nb_programs
; i
++)
2802 if(ic
->programs
[i
]->id
!= opt_programid
)
2803 ic
->programs
[i
]->discard
= AVDISCARD_ALL
;
2806 ic
->loop_input
= loop_input
;
2808 /* If not enough info to get the stream parameters, we decode the
2809 first frames to get it. (used in mpeg case for example) */
2810 ret
= av_find_stream_info(ic
);
2811 if (ret
< 0 && verbose
>= 0) {
2812 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2816 timestamp
= start_time
;
2817 /* add the stream start time */
2818 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2819 timestamp
+= ic
->start_time
;
2821 /* if seeking requested, we execute it */
2822 if (start_time
!= 0) {
2823 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
2825 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2826 filename
, (double)timestamp
/ AV_TIME_BASE
);
2828 /* reset seek info */
2832 /* update the current parameters so that they match the one of the input stream */
2833 for(i
=0;i
<ic
->nb_streams
;i
++) {
2834 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2836 avcodec_thread_init(enc
, thread_count
);
2837 enc
->thread_count
= thread_count
;
2838 switch(enc
->codec_type
) {
2839 case CODEC_TYPE_AUDIO
:
2840 set_context_opts(enc
, avctx_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2841 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2842 channel_layout
= enc
->channel_layout
;
2843 audio_channels
= enc
->channels
;
2844 audio_sample_rate
= enc
->sample_rate
;
2845 audio_sample_fmt
= enc
->sample_fmt
;
2846 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(audio_codec_name
);
2848 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2850 case CODEC_TYPE_VIDEO
:
2851 set_context_opts(enc
, avctx_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2852 frame_height
= enc
->height
;
2853 frame_width
= enc
->width
;
2854 if(ic
->streams
[i
]->sample_aspect_ratio
.num
)
2855 frame_aspect_ratio
=av_q2d(ic
->streams
[i
]->sample_aspect_ratio
);
2857 frame_aspect_ratio
=av_q2d(enc
->sample_aspect_ratio
);
2858 frame_aspect_ratio
*= (float) enc
->width
/ enc
->height
;
2859 frame_pix_fmt
= enc
->pix_fmt
;
2860 rfps
= ic
->streams
[i
]->r_frame_rate
.num
;
2861 rfps_base
= ic
->streams
[i
]->r_frame_rate
.den
;
2862 if(enc
->lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
2864 enc
->debug
|= FF_DEBUG_MV
;
2866 if (enc
->time_base
.den
!= rfps
|| enc
->time_base
.num
!= rfps_base
) {
2869 fprintf(stderr
,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2870 i
, (float)enc
->time_base
.den
/ enc
->time_base
.num
, enc
->time_base
.den
, enc
->time_base
.num
,
2872 (float)rfps
/ rfps_base
, rfps
, rfps_base
);
2874 /* update the current frame rate to match the stream frame rate */
2875 frame_rate
.num
= rfps
;
2876 frame_rate
.den
= rfps_base
;
2878 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(video_codec_name
);
2880 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2881 else if(video_discard
)
2882 ic
->streams
[i
]->discard
= video_discard
;
2884 case CODEC_TYPE_DATA
:
2886 case CODEC_TYPE_SUBTITLE
:
2887 input_codecs
[nb_icodecs
++] = avcodec_find_decoder_by_name(subtitle_codec_name
);
2888 if(subtitle_disable
)
2889 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2891 case CODEC_TYPE_ATTACHMENT
:
2892 case CODEC_TYPE_UNKNOWN
:
2900 input_files
[nb_input_files
] = ic
;
2901 input_files_ts_offset
[nb_input_files
] = input_ts_offset
- (copy_ts
? 0 : timestamp
);
2902 /* dump the file content */
2904 dump_format(ic
, nb_input_files
, filename
, 0);
2907 file_iformat
= NULL
;
2908 file_oformat
= NULL
;
2912 av_freep(&video_codec_name
);
2913 av_freep(&audio_codec_name
);
2914 av_freep(&subtitle_codec_name
);
2917 static void check_audio_video_sub_inputs(int *has_video_ptr
, int *has_audio_ptr
,
2918 int *has_subtitle_ptr
)
2920 int has_video
, has_audio
, has_subtitle
, i
, j
;
2921 AVFormatContext
*ic
;
2926 for(j
=0;j
<nb_input_files
;j
++) {
2927 ic
= input_files
[j
];
2928 for(i
=0;i
<ic
->nb_streams
;i
++) {
2929 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2930 switch(enc
->codec_type
) {
2931 case CODEC_TYPE_AUDIO
:
2934 case CODEC_TYPE_VIDEO
:
2937 case CODEC_TYPE_SUBTITLE
:
2940 case CODEC_TYPE_DATA
:
2941 case CODEC_TYPE_ATTACHMENT
:
2942 case CODEC_TYPE_UNKNOWN
:
2949 *has_video_ptr
= has_video
;
2950 *has_audio_ptr
= has_audio
;
2951 *has_subtitle_ptr
= has_subtitle
;
2954 static void new_video_stream(AVFormatContext
*oc
)
2957 AVCodecContext
*video_enc
;
2960 st
= av_new_stream(oc
, oc
->nb_streams
);
2962 fprintf(stderr
, "Could not alloc stream\n");
2965 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_VIDEO
);
2966 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= video_bitstream_filters
;
2967 video_bitstream_filters
= NULL
;
2970 avcodec_thread_init(st
->codec
, thread_count
);
2972 video_enc
= st
->codec
;
2975 video_enc
->codec_tag
= video_codec_tag
;
2977 if( (video_global_header
&1)
2978 || (video_global_header
==0 && (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
))){
2979 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2980 avctx_opts
[CODEC_TYPE_VIDEO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2982 if(video_global_header
&2){
2983 video_enc
->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
2984 avctx_opts
[CODEC_TYPE_VIDEO
]->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
2987 if (video_stream_copy
) {
2988 st
->stream_copy
= 1;
2989 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
2990 video_enc
->sample_aspect_ratio
=
2991 st
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*frame_height
/frame_width
, 255);
2996 AVRational fps
= frame_rate
.num
? frame_rate
: (AVRational
){25,1};
2998 if (video_codec_name
) {
2999 codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 1);
3000 codec
= avcodec_find_encoder_by_name(video_codec_name
);
3001 output_codecs
[nb_ocodecs
] = codec
;
3003 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_VIDEO
);
3004 codec
= avcodec_find_encoder(codec_id
);
3007 video_enc
->codec_id
= codec_id
;
3009 set_context_opts(video_enc
, avctx_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3011 if (codec
&& codec
->supported_framerates
&& !force_fps
)
3012 fps
= codec
->supported_framerates
[av_find_nearest_q_idx(fps
, codec
->supported_framerates
)];
3013 video_enc
->time_base
.den
= fps
.num
;
3014 video_enc
->time_base
.num
= fps
.den
;
3016 video_enc
->width
= frame_width
+ frame_padright
+ frame_padleft
;
3017 video_enc
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
3018 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*video_enc
->height
/video_enc
->width
, 255);
3019 video_enc
->pix_fmt
= frame_pix_fmt
;
3020 st
->sample_aspect_ratio
= video_enc
->sample_aspect_ratio
;
3022 if(codec
&& codec
->pix_fmts
){
3023 const enum PixelFormat
*p
= codec
->pix_fmts
;
3025 if(*p
== video_enc
->pix_fmt
)
3029 video_enc
->pix_fmt
= codec
->pix_fmts
[0];
3033 video_enc
->gop_size
= 0;
3034 if (video_qscale
|| same_quality
) {
3035 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
3036 video_enc
->global_quality
=
3037 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
3041 video_enc
->intra_matrix
= intra_matrix
;
3043 video_enc
->inter_matrix
= inter_matrix
;
3045 video_enc
->thread_count
= thread_count
;
3046 p
= video_rc_override_string
;
3049 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
3051 fprintf(stderr
, "error parsing rc_override\n");
3054 video_enc
->rc_override
=
3055 av_realloc(video_enc
->rc_override
,
3056 sizeof(RcOverride
)*(i
+1));
3057 video_enc
->rc_override
[i
].start_frame
= start
;
3058 video_enc
->rc_override
[i
].end_frame
= end
;
3060 video_enc
->rc_override
[i
].qscale
= q
;
3061 video_enc
->rc_override
[i
].quality_factor
= 1.0;
3064 video_enc
->rc_override
[i
].qscale
= 0;
3065 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
3070 video_enc
->rc_override_count
=i
;
3071 if (!video_enc
->rc_initial_buffer_occupancy
)
3072 video_enc
->rc_initial_buffer_occupancy
= video_enc
->rc_buffer_size
*3/4;
3073 video_enc
->me_threshold
= me_threshold
;
3074 video_enc
->intra_dc_precision
= intra_dc_precision
- 8;
3077 video_enc
->flags
|= CODEC_FLAG_PSNR
;
3082 video_enc
->flags
|= CODEC_FLAG_PASS1
;
3084 video_enc
->flags
|= CODEC_FLAG_PASS2
;
3090 /* reset some key parameters */
3092 av_freep(&video_codec_name
);
3093 video_stream_copy
= 0;
3096 static void new_audio_stream(AVFormatContext
*oc
)
3099 AVCodecContext
*audio_enc
;
3102 st
= av_new_stream(oc
, oc
->nb_streams
);
3104 fprintf(stderr
, "Could not alloc stream\n");
3107 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_AUDIO
);
3109 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= audio_bitstream_filters
;
3110 audio_bitstream_filters
= NULL
;
3113 avcodec_thread_init(st
->codec
, thread_count
);
3115 audio_enc
= st
->codec
;
3116 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
3119 audio_enc
->codec_tag
= audio_codec_tag
;
3121 if (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
) {
3122 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3123 avctx_opts
[CODEC_TYPE_AUDIO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3125 if (audio_stream_copy
) {
3126 st
->stream_copy
= 1;
3127 audio_enc
->channels
= audio_channels
;
3131 set_context_opts(audio_enc
, avctx_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3133 if (audio_codec_name
) {
3134 codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 1);
3135 codec
= avcodec_find_encoder_by_name(audio_codec_name
);
3136 output_codecs
[nb_ocodecs
] = codec
;
3138 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_AUDIO
);
3139 codec
= avcodec_find_encoder(codec_id
);
3141 audio_enc
->codec_id
= codec_id
;
3143 if (audio_qscale
> QSCALE_NONE
) {
3144 audio_enc
->flags
|= CODEC_FLAG_QSCALE
;
3145 audio_enc
->global_quality
= st
->quality
= FF_QP2LAMBDA
* audio_qscale
;
3147 audio_enc
->thread_count
= thread_count
;
3148 audio_enc
->channels
= audio_channels
;
3149 audio_enc
->sample_fmt
= audio_sample_fmt
;
3150 audio_enc
->channel_layout
= channel_layout
;
3152 if(codec
&& codec
->sample_fmts
){
3153 const enum SampleFormat
*p
= codec
->sample_fmts
;
3155 if(*p
== audio_enc
->sample_fmt
)
3159 audio_enc
->sample_fmt
= codec
->sample_fmts
[0];
3163 audio_enc
->sample_rate
= audio_sample_rate
;
3164 audio_enc
->time_base
= (AVRational
){1, audio_sample_rate
};
3165 if (audio_language
) {
3166 av_metadata_set(&st
->metadata
, "language", audio_language
);
3167 av_free(audio_language
);
3168 audio_language
= NULL
;
3171 /* reset some key parameters */
3173 av_freep(&audio_codec_name
);
3174 audio_stream_copy
= 0;
3177 static void new_subtitle_stream(AVFormatContext
*oc
)
3180 AVCodecContext
*subtitle_enc
;
3182 st
= av_new_stream(oc
, oc
->nb_streams
);
3184 fprintf(stderr
, "Could not alloc stream\n");
3187 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_SUBTITLE
);
3189 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= subtitle_bitstream_filters
;
3190 subtitle_bitstream_filters
= NULL
;
3192 subtitle_enc
= st
->codec
;
3193 subtitle_enc
->codec_type
= CODEC_TYPE_SUBTITLE
;
3194 if (subtitle_stream_copy
) {
3195 st
->stream_copy
= 1;
3197 set_context_opts(avctx_opts
[CODEC_TYPE_SUBTITLE
], subtitle_enc
, AV_OPT_FLAG_SUBTITLE_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3198 subtitle_enc
->codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 1);
3199 output_codecs
[nb_ocodecs
] = avcodec_find_encoder_by_name(subtitle_codec_name
);
3203 if (subtitle_language
) {
3204 av_metadata_set(&st
->metadata
, "language", subtitle_language
);
3205 av_free(subtitle_language
);
3206 subtitle_language
= NULL
;
3209 subtitle_disable
= 0;
3210 av_freep(&subtitle_codec_name
);
3211 subtitle_stream_copy
= 0;
3214 static void opt_new_audio_stream(void)
3216 AVFormatContext
*oc
;
3217 if (nb_output_files
<= 0) {
3218 fprintf(stderr
, "At least one output file must be specified\n");
3221 oc
= output_files
[nb_output_files
- 1];
3222 new_audio_stream(oc
);
3225 static void opt_new_video_stream(void)
3227 AVFormatContext
*oc
;
3228 if (nb_output_files
<= 0) {
3229 fprintf(stderr
, "At least one output file must be specified\n");
3232 oc
= output_files
[nb_output_files
- 1];
3233 new_video_stream(oc
);
3236 static void opt_new_subtitle_stream(void)
3238 AVFormatContext
*oc
;
3239 if (nb_output_files
<= 0) {
3240 fprintf(stderr
, "At least one output file must be specified\n");
3243 oc
= output_files
[nb_output_files
- 1];
3244 new_subtitle_stream(oc
);
3247 static void opt_output_file(const char *filename
)
3249 AVFormatContext
*oc
;
3250 int use_video
, use_audio
, use_subtitle
;
3251 int input_has_video
, input_has_audio
, input_has_subtitle
;
3252 AVFormatParameters params
, *ap
= ¶ms
;
3254 if (!strcmp(filename
, "-"))
3257 oc
= avformat_alloc_context();
3259 if (!file_oformat
) {
3260 file_oformat
= guess_format(NULL
, filename
, NULL
);
3261 if (!file_oformat
) {
3262 fprintf(stderr
, "Unable to find a suitable output format for '%s'\n",
3268 oc
->oformat
= file_oformat
;
3269 av_strlcpy(oc
->filename
, filename
, sizeof(oc
->filename
));
3271 if (!strcmp(file_oformat
->name
, "ffm") &&
3272 av_strstart(filename
, "http:", NULL
)) {
3273 /* special case for files sent to ffserver: we get the stream
3274 parameters from ffserver */
3275 int err
= read_ffserver_streams(oc
, filename
);
3277 print_error(filename
, err
);
3281 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
|| video_stream_copy
|| video_codec_name
;
3282 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
|| audio_stream_copy
|| audio_codec_name
;
3283 use_subtitle
= file_oformat
->subtitle_codec
!= CODEC_ID_NONE
|| subtitle_stream_copy
|| subtitle_codec_name
;
3285 /* disable if no corresponding type found and at least one
3287 if (nb_input_files
> 0) {
3288 check_audio_video_sub_inputs(&input_has_video
, &input_has_audio
,
3289 &input_has_subtitle
);
3290 if (!input_has_video
)
3292 if (!input_has_audio
)
3294 if (!input_has_subtitle
)
3298 /* manual disable */
3299 if (audio_disable
) {
3302 if (video_disable
) {
3305 if (subtitle_disable
) {
3310 new_video_stream(oc
);
3314 new_audio_stream(oc
);
3318 new_subtitle_stream(oc
);
3321 oc
->timestamp
= rec_timestamp
;
3323 for(; metadata_count
>0; metadata_count
--){
3324 av_metadata_set(&oc
->metadata
, metadata
[metadata_count
-1].key
,
3325 metadata
[metadata_count
-1].value
);
3327 av_metadata_conv(oc
, oc
->oformat
->metadata_conv
, NULL
);
3330 output_files
[nb_output_files
++] = oc
;
3332 /* check filename in case of an image number is expected */
3333 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
3334 if (!av_filename_number_test(oc
->filename
)) {
3335 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
3340 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
3341 /* test if it already exists to avoid loosing precious files */
3342 if (!file_overwrite
&&
3343 (strchr(filename
, ':') == NULL
||
3344 filename
[1] == ':' ||
3345 av_strstart(filename
, "file:", NULL
))) {
3346 if (url_exist(filename
)) {
3350 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
3353 if (toupper(c
) != 'Y') {
3354 fprintf(stderr
, "Not overwriting - exiting\n");
3359 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
3366 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
3367 fprintf(stderr
, "Could not open '%s'\n", filename
);
3372 memset(ap
, 0, sizeof(*ap
));
3373 if (av_set_parameters(oc
, ap
) < 0) {
3374 fprintf(stderr
, "%s: Invalid encoding parameters\n",
3379 oc
->preload
= (int)(mux_preload
*AV_TIME_BASE
);
3380 oc
->max_delay
= (int)(mux_max_delay
*AV_TIME_BASE
);
3381 oc
->loop_output
= loop_output
;
3383 set_context_opts(oc
, avformat_opts
, AV_OPT_FLAG_ENCODING_PARAM
);
3385 /* reset some options */
3386 file_oformat
= NULL
;
3387 file_iformat
= NULL
;
3390 /* same option as mencoder */
3391 static void opt_pass(const char *pass_str
)
3394 pass
= atoi(pass_str
);
3395 if (pass
!= 1 && pass
!= 2) {
3396 fprintf(stderr
, "pass number can be only 1 or 2\n");
3402 static int64_t getutime(void)
3405 struct rusage rusage
;
3407 getrusage(RUSAGE_SELF
, &rusage
);
3408 return (rusage
.ru_utime
.tv_sec
* 1000000LL) + rusage
.ru_utime
.tv_usec
;
3409 #elif HAVE_GETPROCESSTIMES
3411 FILETIME c
, e
, k
, u
;
3412 proc
= GetCurrentProcess();
3413 GetProcessTimes(proc
, &c
, &e
, &k
, &u
);
3414 return ((int64_t) u
.dwHighDateTime
<< 32 | u
.dwLowDateTime
) / 10;
3416 return av_gettime();
3420 static void parse_matrix_coeffs(uint16_t *dest
, const char *str
)
3423 const char *p
= str
;
3430 fprintf(stderr
, "Syntax error in matrix \"%s\" at coeff %d\n", str
, i
);
3437 static void opt_inter_matrix(const char *arg
)
3439 inter_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3440 parse_matrix_coeffs(inter_matrix
, arg
);
3443 static void opt_intra_matrix(const char *arg
)
3445 intra_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3446 parse_matrix_coeffs(intra_matrix
, arg
);
3450 * Trivial log callback.
3451 * Only suitable for show_help and similar since it lacks prefix handling.
3453 static void log_callback_help(void* ptr
, int level
, const char* fmt
, va_list vl
)
3455 vfprintf(stdout
, fmt
, vl
);
3458 static void show_help(void)
3460 av_log_set_callback(log_callback_help
);
3461 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3462 "Hyper fast Audio and Video encoder\n");
3464 show_help_options(options
, "Main options:\n",
3465 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
, 0);
3466 show_help_options(options
, "\nAdvanced options:\n",
3467 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
,
3469 show_help_options(options
, "\nVideo options:\n",
3470 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3472 show_help_options(options
, "\nAdvanced Video options:\n",
3473 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3474 OPT_VIDEO
| OPT_EXPERT
);
3475 show_help_options(options
, "\nAudio options:\n",
3476 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3478 show_help_options(options
, "\nAdvanced Audio options:\n",
3479 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3480 OPT_AUDIO
| OPT_EXPERT
);
3481 show_help_options(options
, "\nSubtitle options:\n",
3482 OPT_SUBTITLE
| OPT_GRAB
,
3484 show_help_options(options
, "\nAudio/Video grab options:\n",
3488 av_opt_show(avctx_opts
[0], NULL
);
3490 av_opt_show(avformat_opts
, NULL
);
3492 av_opt_show(sws_opts
, NULL
);
3495 static void opt_target(const char *arg
)
3498 static const char *const frame_rates
[] = {"25", "30000/1001", "24000/1001"};
3500 if(!strncmp(arg
, "pal-", 4)) {
3503 } else if(!strncmp(arg
, "ntsc-", 5)) {
3506 } else if(!strncmp(arg
, "film-", 5)) {
3511 /* Calculate FR via float to avoid int overflow */
3512 fr
= (int)(frame_rate
.num
* 1000.0 / frame_rate
.den
);
3515 } else if((fr
== 29970) || (fr
== 23976)) {
3518 /* Try to determine PAL/NTSC by peeking in the input files */
3519 if(nb_input_files
) {
3521 for(j
= 0; j
< nb_input_files
; j
++) {
3522 for(i
= 0; i
< input_files
[j
]->nb_streams
; i
++) {
3523 AVCodecContext
*c
= input_files
[j
]->streams
[i
]->codec
;
3524 if(c
->codec_type
!= CODEC_TYPE_VIDEO
)
3526 fr
= c
->time_base
.den
* 1000 / c
->time_base
.num
;
3530 } else if((fr
== 29970) || (fr
== 23976)) {
3540 if(verbose
&& norm
>= 0)
3541 fprintf(stderr
, "Assuming %s for target.\n", norm
? "NTSC" : "PAL");
3545 fprintf(stderr
, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3546 fprintf(stderr
, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3547 fprintf(stderr
, "or set a framerate with \"-r xxx\".\n");
3551 if(!strcmp(arg
, "vcd")) {
3553 opt_video_codec("mpeg1video");
3554 opt_audio_codec("mp2");
3557 opt_frame_size(norm
? "352x240" : "352x288");
3558 opt_frame_rate(NULL
, frame_rates
[norm
]);
3559 opt_default("gop", norm
? "18" : "15");
3561 opt_default("b", "1150000");
3562 opt_default("maxrate", "1150000");
3563 opt_default("minrate", "1150000");
3564 opt_default("bufsize", "327680"); // 40*1024*8;
3566 opt_default("ab", "224000");
3567 audio_sample_rate
= 44100;
3570 opt_default("packetsize", "2324");
3571 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3573 /* We have to offset the PTS, so that it is consistent with the SCR.
3574 SCR starts at 36000, but the first two packs contain only padding
3575 and the first pack from the other stream, respectively, may also have
3576 been written before.
3577 So the real data starts at SCR 36000+3*1200. */
3578 mux_preload
= (36000+3*1200) / 90000.0; //0.44
3579 } else if(!strcmp(arg
, "svcd")) {
3581 opt_video_codec("mpeg2video");
3582 opt_audio_codec("mp2");
3585 opt_frame_size(norm
? "480x480" : "480x576");
3586 opt_frame_rate(NULL
, frame_rates
[norm
]);
3587 opt_default("gop", norm
? "18" : "15");
3589 opt_default("b", "2040000");
3590 opt_default("maxrate", "2516000");
3591 opt_default("minrate", "0"); //1145000;
3592 opt_default("bufsize", "1835008"); //224*1024*8;
3593 opt_default("flags", "+scan_offset");
3596 opt_default("ab", "224000");
3597 audio_sample_rate
= 44100;
3599 opt_default("packetsize", "2324");
3601 } else if(!strcmp(arg
, "dvd")) {
3603 opt_video_codec("mpeg2video");
3604 opt_audio_codec("ac3");
3607 opt_frame_size(norm
? "720x480" : "720x576");
3608 opt_frame_rate(NULL
, frame_rates
[norm
]);
3609 opt_default("gop", norm
? "18" : "15");
3611 opt_default("b", "6000000");
3612 opt_default("maxrate", "9000000");
3613 opt_default("minrate", "0"); //1500000;
3614 opt_default("bufsize", "1835008"); //224*1024*8;
3616 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3617 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3619 opt_default("ab", "448000");
3620 audio_sample_rate
= 48000;
3622 } else if(!strncmp(arg
, "dv", 2)) {
3626 opt_frame_size(norm
? "720x480" : "720x576");
3627 opt_frame_pix_fmt(!strncmp(arg
, "dv50", 4) ? "yuv422p" :
3628 (norm
? "yuv411p" : "yuv420p"));
3629 opt_frame_rate(NULL
, frame_rates
[norm
]);
3631 audio_sample_rate
= 48000;
3635 fprintf(stderr
, "Unknown target: %s\n", arg
);
3640 static void opt_vstats_file (const char *arg
)
3642 av_free (vstats_filename
);
3643 vstats_filename
=av_strdup (arg
);
3646 static void opt_vstats (void)
3649 time_t today2
= time(NULL
);
3650 struct tm
*today
= localtime(&today2
);
3652 snprintf(filename
, sizeof(filename
), "vstats_%02d%02d%02d.log", today
->tm_hour
, today
->tm_min
,
3654 opt_vstats_file(filename
);
3657 static int opt_bsf(const char *opt
, const char *arg
)
3659 AVBitStreamFilterContext
*bsfc
= av_bitstream_filter_init(arg
); //FIXME split name and args for filter at '='
3660 AVBitStreamFilterContext
**bsfp
;
3663 fprintf(stderr
, "Unknown bitstream filter %s\n", arg
);
3667 bsfp
= *opt
== 'v' ? &video_bitstream_filters
:
3668 *opt
== 'a' ? &audio_bitstream_filters
:
3669 &subtitle_bitstream_filters
;
3671 bsfp
= &(*bsfp
)->next
;
3678 static int opt_preset(const char *opt
, const char *arg
)
3681 char filename
[1000], tmp
[1000], tmp2
[1000], line
[1000];
3683 const char *base
[2]= { getenv("HOME"),
3687 for(i
=!base
[0]; i
<2 && !f
; i
++){
3688 snprintf(filename
, sizeof(filename
), "%s%s/%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", arg
);
3689 f
= fopen(filename
, "r");
3691 char *codec_name
= *opt
== 'v' ? video_codec_name
:
3692 *opt
== 'a' ? audio_codec_name
:
3693 subtitle_codec_name
;
3694 snprintf(filename
, sizeof(filename
), "%s%s/%s-%s.ffpreset", base
[i
], i
? "" : "/.ffmpeg", codec_name
, arg
);
3695 f
= fopen(filename
, "r");
3698 if(!f
&& ((arg
[0]=='.' && arg
[1]=='/') || arg
[0]=='/' ||
3700 av_strlcpy(filename
, arg
, sizeof(filename
));
3701 f
= fopen(filename
, "r");
3705 fprintf(stderr
, "File for preset '%s' not found\n", arg
);
3710 int e
= fscanf(f
, "%999[^\n]\n", line
) - 1;
3711 if(line
[0] == '#' && !e
)
3713 e
|= sscanf(line
, "%999[^=]=%999[^\n]\n", tmp
, tmp2
) - 2;
3715 fprintf(stderr
, "%s: Invalid syntax: '%s'\n", filename
, line
);
3718 if(!strcmp(tmp
, "acodec")){
3719 opt_audio_codec(tmp2
);
3720 }else if(!strcmp(tmp
, "vcodec")){
3721 opt_video_codec(tmp2
);
3722 }else if(!strcmp(tmp
, "scodec")){
3723 opt_subtitle_codec(tmp2
);
3724 }else if(opt_default(tmp
, tmp2
) < 0){
3725 fprintf(stderr
, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename
, line
, tmp
, tmp2
);
3735 static const OptionDef options
[] = {
3737 { "L", OPT_EXIT
, {(void*)show_license
}, "show license" },
3738 { "h", OPT_EXIT
, {(void*)show_help
}, "show help" },
3739 { "version", OPT_EXIT
, {(void*)show_version
}, "show version" },
3740 { "formats", OPT_EXIT
, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
3741 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3742 { "i", HAS_ARG
, {(void*)opt_input_file
}, "input file name", "filename" },
3743 { "y", OPT_BOOL
, {(void*)&file_overwrite
}, "overwrite output files" },
3744 { "map", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map
}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3745 { "map_meta_data", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map_meta_data
}, "set meta data information of outfile from infile", "outfile:infile" },
3746 { "t", OPT_FUNC2
| HAS_ARG
, {(void*)opt_recording_time
}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3747 { "fs", HAS_ARG
| OPT_INT64
, {(void*)&limit_filesize
}, "set the limit file size in bytes", "limit_size" }, //
3748 { "ss", OPT_FUNC2
| HAS_ARG
, {(void*)opt_start_time
}, "set the start time offset", "time_off" },
3749 { "itsoffset", OPT_FUNC2
| HAS_ARG
, {(void*)opt_input_ts_offset
}, "set the input ts offset", "time_off" },
3750 { "itsscale", HAS_ARG
, {(void*)opt_input_ts_scale
}, "set the input ts scale", "stream:scale" },
3751 { "timestamp", OPT_FUNC2
| HAS_ARG
, {(void*)&opt_rec_timestamp
}, "set the timestamp ('now' to set the current time)", "time" },
3752 { "metadata", OPT_FUNC2
| HAS_ARG
, {(void*)&opt_metadata
}, "add metadata", "string=string" },
3753 { "dframes", OPT_INT
| HAS_ARG
, {(void*)&max_frames
[CODEC_TYPE_DATA
]}, "set the number of data frames to record", "number" },
3754 { "benchmark", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_benchmark
},
3755 "add timings for benchmarking" },
3756 { "dump", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_pkt_dump
},
3757 "dump each input packet" },
3758 { "hex", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_hex_dump
},
3759 "when dumping packets, also dump the payload" },
3760 { "re", OPT_BOOL
| OPT_EXPERT
, {(void*)&rate_emu
}, "read input at native frame rate", "" },
3761 { "loop_input", OPT_BOOL
| OPT_EXPERT
, {(void*)&loop_input
}, "loop (current only works with images)" },
3762 { "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)", "" },
3763 { "v", HAS_ARG
| OPT_FUNC2
, {(void*)opt_verbose
}, "set the logging verbosity level", "number" },
3764 { "target", HAS_ARG
, {(void*)opt_target
}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3765 { "threads", OPT_FUNC2
| HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3766 { "vsync", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_sync_method
}, "video sync method", "" },
3767 { "async", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&audio_sync_method
}, "audio sync method", "" },
3768 { "adrift_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&audio_drift_threshold
}, "audio drift threshold", "threshold" },
3769 { "vglobal", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_global_header
}, "video global header storage type", "" },
3770 { "copyts", OPT_BOOL
| OPT_EXPERT
, {(void*)©_ts
}, "copy timestamps" },
3771 { "shortest", OPT_BOOL
| OPT_EXPERT
, {(void*)&opt_shortest
}, "finish encoding within shortest input" }, //
3772 { "dts_delta_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&dts_delta_threshold
}, "timestamp discontinuity delta threshold", "threshold" },
3773 { "programid", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&opt_programid
}, "desired program number", "" },
3774 { "xerror", OPT_BOOL
, {(void*)&exit_on_error
}, "exit on error", "error" },
3775 { "copyinkf", OPT_BOOL
| OPT_EXPERT
, {(void*)©_initial_nonkeyframes
}, "copy initial non-keyframes" },
3778 { "b", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3779 { "vb", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3780 { "vframes", OPT_INT
| HAS_ARG
| OPT_VIDEO
, {(void*)&max_frames
[CODEC_TYPE_VIDEO
]}, "set the number of video frames to record", "number" },
3781 { "r", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_rate
}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3782 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3783 { "aspect", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_aspect_ratio
}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3784 { "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" },
3785 { "croptop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_top
}, "set top crop band size (in pixels)", "size" },
3786 { "cropbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_bottom
}, "set bottom crop band size (in pixels)", "size" },
3787 { "cropleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_left
}, "set left crop band size (in pixels)", "size" },
3788 { "cropright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_right
}, "set right crop band size (in pixels)", "size" },
3789 { "padtop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_top
}, "set top pad band size (in pixels)", "size" },
3790 { "padbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_bottom
}, "set bottom pad band size (in pixels)", "size" },
3791 { "padleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_left
}, "set left pad band size (in pixels)", "size" },
3792 { "padright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_right
}, "set right pad band size (in pixels)", "size" },
3793 { "padcolor", HAS_ARG
| OPT_VIDEO
, {(void*)opt_pad_color
}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3794 { "intra", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_only
}, "use only intra frames"},
3795 { "vn", OPT_BOOL
| OPT_VIDEO
, {(void*)&video_disable
}, "disable video" },
3796 { "vdt", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&video_discard
}, "discard threshold", "n" },
3797 { "qscale", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qscale
}, "use fixed video quantizer scale (VBR)", "q" },
3798 { "rc_override", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_override_string
}, "rate control override for specific intervals", "override" },
3799 { "vcodec", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_codec
}, "force video codec ('copy' to copy stream)", "codec" },
3800 { "me_threshold", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_me_threshold
}, "motion estimaton threshold", "threshold" },
3801 { "sameq", OPT_BOOL
| OPT_VIDEO
, {(void*)&same_quality
},
3802 "use same video quality as source (implies VBR)" },
3803 { "pass", HAS_ARG
| OPT_VIDEO
, {(void*)&opt_pass
}, "select the pass number (1 or 2)", "n" },
3804 { "passlogfile", HAS_ARG
| OPT_STRING
| OPT_VIDEO
, {(void*)&pass_logfilename_prefix
}, "select two pass log file name prefix", "prefix" },
3805 { "deinterlace", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_deinterlace
},
3806 "deinterlace pictures" },
3807 { "psnr", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_psnr
}, "calculate PSNR of compressed frames" },
3808 { "vstats", OPT_EXPERT
| OPT_VIDEO
, {(void*)&opt_vstats
}, "dump video coding statistics to file" },
3809 { "vstats_file", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_vstats_file
}, "dump video coding statistics to file", "file" },
3810 { "intra_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_intra_matrix
}, "specify intra matrix coeffs", "matrix" },
3811 { "inter_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_inter_matrix
}, "specify inter matrix coeffs", "matrix" },
3812 { "top", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_top_field_first
}, "top=1/bottom=0/auto=-1 field first", "" },
3813 { "dc", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_dc_precision
}, "intra_dc_precision", "precision" },
3814 { "vtag", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_tag
}, "force video tag/fourcc", "fourcc/tag" },
3815 { "newvideo", OPT_VIDEO
, {(void*)opt_new_video_stream
}, "add a new video stream to the current output stream" },
3816 { "qphist", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, { (void *)&qp_hist
}, "show QP histogram" },
3817 { "force_fps", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&force_fps
}, "force the selected framerate, disable the best supported framerate selection" },
3820 { "ab", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3821 { "aframes", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&max_frames
[CODEC_TYPE_AUDIO
]}, "set the number of audio frames to record", "number" },
3822 { "aq", OPT_FLOAT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_qscale
}, "set audio quality (codec-specific)", "quality", },
3823 { "ar", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_rate
}, "set audio sampling rate (in Hz)", "rate" },
3824 { "ac", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_channels
}, "set number of audio channels", "channels" },
3825 { "an", OPT_BOOL
| OPT_AUDIO
, {(void*)&audio_disable
}, "disable audio" },
3826 { "acodec", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_codec
}, "force audio codec ('copy' to copy stream)", "codec" },
3827 { "atag", HAS_ARG
| OPT_EXPERT
| OPT_AUDIO
, {(void*)opt_audio_tag
}, "force audio tag/fourcc", "fourcc/tag" },
3828 { "vol", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_volume
}, "change audio volume (256=normal)" , "volume" }, //
3829 { "newaudio", OPT_AUDIO
, {(void*)opt_new_audio_stream
}, "add a new audio stream to the current output stream" },
3830 { "alang", HAS_ARG
| OPT_STRING
| OPT_AUDIO
, {(void *)&audio_language
}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3831 { "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" },
3833 /* subtitle options */
3834 { "sn", OPT_BOOL
| OPT_SUBTITLE
, {(void*)&subtitle_disable
}, "disable subtitle" },
3835 { "scodec", HAS_ARG
| OPT_SUBTITLE
, {(void*)opt_subtitle_codec
}, "force subtitle codec ('copy' to copy stream)", "codec" },
3836 { "newsubtitle", OPT_SUBTITLE
, {(void*)opt_new_subtitle_stream
}, "add a new subtitle stream to the current output stream" },
3837 { "slang", HAS_ARG
| OPT_STRING
| OPT_SUBTITLE
, {(void *)&subtitle_language
}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3840 { "vc", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_channel
}, "set video grab channel (DV1394 only)", "channel" },
3841 { "tvstd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_standard
}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3842 { "isync", OPT_BOOL
| OPT_EXPERT
| OPT_GRAB
, {(void*)&input_sync
}, "sync read on input", "" },
3845 { "muxdelay", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_max_delay
}, "set the maximum demux-decode delay", "seconds" },
3846 { "muxpreload", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_preload
}, "set the initial demux-decode delay", "seconds" },
3848 { "absf", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3849 { "vbsf", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3850 { "sbsf", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3852 { "apre", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the audio options to the indicated preset", "preset" },
3853 { "vpre", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_preset
}, "set the video options to the indicated preset", "preset" },
3854 { "spre", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_preset
}, "set the subtitle options to the indicated preset", "preset" },
3856 { "default", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_default
}, "generic catch all option", "" },
3860 int main(int argc
, char **argv
)
3865 avcodec_register_all();
3866 avdevice_register_all();
3869 if(isatty(STDIN_FILENO
))
3870 url_set_interrupt_cb(decode_interrupt_cb
);
3872 for(i
=0; i
<CODEC_TYPE_NB
; i
++){
3873 avctx_opts
[i
]= avcodec_alloc_context2(i
);
3875 avformat_opts
= avformat_alloc_context();
3876 sws_opts
= sws_getContext(16,16,0, 16,16,0, sws_flags
, NULL
,NULL
,NULL
);
3881 parse_options(argc
, argv
, options
, opt_output_file
);
3883 /* file converter / grab */
3884 if (nb_output_files
<= 0) {
3885 fprintf(stderr
, "At least one output file must be specified\n");
3889 if (nb_input_files
== 0) {
3890 fprintf(stderr
, "At least one input file must be specified\n");
3895 if (av_encode(output_files
, nb_output_files
, input_files
, nb_input_files
,
3896 stream_maps
, nb_stream_maps
) < 0)
3898 ti
= getutime() - ti
;
3900 printf("bench: utime=%0.3fs\n", ti
/ 1000000.0);