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
30 #include "libavformat/avformat.h"
31 #include "libavdevice/avdevice.h"
32 #include "libswscale/swscale.h"
33 #include "libavformat/framehook.h"
34 #include "libavcodec/opt.h"
35 #include "libavutil/fifo.h"
36 #include "libavutil/avstring.h"
37 #include "libavformat/os_support.h"
39 #ifdef HAVE_SYS_RESOURCE_H
40 #include <sys/types.h>
41 #include <sys/resource.h>
42 #elif defined(HAVE_GETPROCESSTIMES)
46 #if defined(HAVE_TERMIOS_H)
49 #include <sys/ioctl.h>
52 #elif defined(HAVE_CONIO_H)
55 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
65 const char program_name
[] = "FFmpeg";
66 const int program_birth_year
= 2000;
68 /* select an input stream for an output stream */
69 typedef struct AVStreamMap
{
73 int sync_stream_index
;
76 /** select an input file for an output file */
77 typedef struct AVMetaDataMap
{
82 static const OptionDef options
[];
86 static AVFormatContext
*input_files
[MAX_FILES
];
87 static int64_t input_files_ts_offset
[MAX_FILES
];
88 static double input_files_ts_scale
[MAX_FILES
][MAX_STREAMS
];
89 static int nb_input_files
= 0;
91 static AVFormatContext
*output_files
[MAX_FILES
];
92 static int nb_output_files
= 0;
94 static AVStreamMap stream_maps
[MAX_FILES
];
95 static int nb_stream_maps
;
97 static AVMetaDataMap meta_data_maps
[MAX_FILES
];
98 static int nb_meta_data_maps
;
100 static AVInputFormat
*file_iformat
;
101 static AVOutputFormat
*file_oformat
;
102 static int frame_width
= 0;
103 static int frame_height
= 0;
104 static float frame_aspect_ratio
= 0;
105 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
106 static int frame_padtop
= 0;
107 static int frame_padbottom
= 0;
108 static int frame_padleft
= 0;
109 static int frame_padright
= 0;
110 static int padcolor
[3] = {16,128,128}; /* default to black */
111 static int frame_topBand
= 0;
112 static int frame_bottomBand
= 0;
113 static int frame_leftBand
= 0;
114 static int frame_rightBand
= 0;
115 static int max_frames
[4] = {INT_MAX
, INT_MAX
, INT_MAX
, INT_MAX
};
116 static AVRational frame_rate
;
117 static float video_qscale
= 0;
118 static uint16_t *intra_matrix
= NULL
;
119 static uint16_t *inter_matrix
= NULL
;
120 #if 0 //experimental, (can be removed)
121 static float video_rc_qsquish
=1.0;
122 static float video_rc_qmod_amp
=0;
123 static int video_rc_qmod_freq
=0;
125 static const char *video_rc_override_string
=NULL
;
126 static int video_disable
= 0;
127 static int video_discard
= 0;
128 static char *video_codec_name
= NULL
;
129 static int video_codec_tag
= 0;
130 static int same_quality
= 0;
131 static int do_deinterlace
= 0;
132 static int strict
= 0;
133 static int top_field_first
= -1;
134 static int me_threshold
= 0;
135 static int intra_dc_precision
= 8;
136 static int loop_input
= 0;
137 static int loop_output
= AVFMT_NOOUTPUTLOOP
;
138 static int qp_hist
= 0;
140 static int intra_only
= 0;
141 static int audio_sample_rate
= 44100;
142 #define QSCALE_NONE -99999
143 static float audio_qscale
= QSCALE_NONE
;
144 static int audio_disable
= 0;
145 static int audio_channels
= 1;
146 static char *audio_codec_name
= NULL
;
147 static int audio_codec_tag
= 0;
148 static char *audio_language
= NULL
;
150 static int subtitle_disable
= 0;
151 static char *subtitle_codec_name
= NULL
;
152 static char *subtitle_language
= NULL
;
154 static float mux_preload
= 0.5;
155 static float mux_max_delay
= 0.7;
157 static int64_t recording_time
= 0;
158 static int64_t start_time
= 0;
159 static int64_t rec_timestamp
= 0;
160 static int64_t input_ts_offset
= 0;
161 static int file_overwrite
= 0;
162 static char *str_title
= NULL
;
163 static char *str_author
= NULL
;
164 static char *str_copyright
= NULL
;
165 static char *str_comment
= NULL
;
166 static char *str_genre
= NULL
;
167 static char *str_album
= NULL
;
168 static int do_benchmark
= 0;
169 static int do_hex_dump
= 0;
170 static int do_pkt_dump
= 0;
171 static int do_psnr
= 0;
172 static int do_pass
= 0;
173 static char *pass_logfilename
= NULL
;
174 static int audio_stream_copy
= 0;
175 static int video_stream_copy
= 0;
176 static int subtitle_stream_copy
= 0;
177 static int video_sync_method
= -1;
178 static int audio_sync_method
= 0;
179 static float audio_drift_threshold
= 0.1;
180 static int copy_ts
= 0;
181 static int opt_shortest
= 0; //
182 static int video_global_header
= 0;
183 static char *vstats_filename
;
184 static FILE *vstats_file
;
185 static int opt_programid
= 0;
187 static int rate_emu
= 0;
189 static int video_channel
= 0;
190 static char *video_standard
;
192 static int audio_volume
= 256;
194 static int using_stdin
= 0;
195 static int using_vhook
= 0;
196 static int verbose
= 1;
197 static int thread_count
= 1;
198 static int q_pressed
= 0;
199 static int64_t video_size
= 0;
200 static int64_t audio_size
= 0;
201 static int64_t extra_size
= 0;
202 static int nb_frames_dup
= 0;
203 static int nb_frames_drop
= 0;
204 static int input_sync
;
205 static uint64_t limit_filesize
= 0; //
207 static int pgmyuv_compatibility_hack
=0;
208 static float dts_delta_threshold
= 10;
210 static unsigned int sws_flags
= SWS_BICUBIC
;
212 static const char **opt_names
;
213 static int opt_name_count
;
214 static AVCodecContext
*avctx_opts
[CODEC_TYPE_NB
];
215 static AVFormatContext
*avformat_opts
;
216 static struct SwsContext
*sws_opts
;
217 static int64_t timer_start
;
219 static AVBitStreamFilterContext
*video_bitstream_filters
=NULL
;
220 static AVBitStreamFilterContext
*audio_bitstream_filters
=NULL
;
221 static AVBitStreamFilterContext
*subtitle_bitstream_filters
=NULL
;
222 static AVBitStreamFilterContext
*bitstream_filters
[MAX_FILES
][MAX_STREAMS
];
224 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
226 struct AVInputStream
;
228 typedef struct AVOutputStream
{
229 int file_index
; /* file index */
230 int index
; /* stream index in the output file */
231 int source_index
; /* AVInputStream index */
232 AVStream
*st
; /* stream in the output file */
233 int encoding_needed
; /* true if encoding needed for this stream */
235 /* input pts and corresponding output pts
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct AVInputStream
*sync_ist
; /* input stream to sync against */
239 int64_t sync_opts
; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
242 AVFrame pict_tmp
; /* temporary image for resampling */
243 struct SwsContext
*img_resample_ctx
; /* for image resampling */
247 int topBand
; /* cropping area sizes */
251 int padtop
; /* padding area sizes */
258 ReSampleContext
*resample
; /* for audio resampling */
259 AVFifoBuffer fifo
; /* for compression: one audio fifo per codec */
263 typedef struct AVInputStream
{
267 int discard
; /* true if stream data should be discarded */
268 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
269 int64_t sample_index
; /* current sample */
271 int64_t start
; /* time when read started */
272 unsigned long frame
; /* current frame */
273 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
275 int64_t pts
; /* current pts */
276 int is_start
; /* is 1 at the start and after a discontinuity */
279 typedef struct AVInputFile
{
280 int eof_reached
; /* true if eof reached */
281 int ist_index
; /* index of first stream in ist_table */
282 int buffer_size
; /* current total buffer size */
283 int nb_streams
; /* nb streams we are aware of */
286 #ifdef HAVE_TERMIOS_H
288 /* init terminal so that we can grab keys */
289 static struct termios oldtty
;
292 static void term_exit(void)
294 #ifdef HAVE_TERMIOS_H
295 tcsetattr (0, TCSANOW
, &oldtty
);
299 static volatile sig_atomic_t received_sigterm
= 0;
302 sigterm_handler(int sig
)
304 received_sigterm
= sig
;
308 static void term_init(void)
310 #ifdef HAVE_TERMIOS_H
316 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
317 |INLCR
|IGNCR
|ICRNL
|IXON
);
318 tty
.c_oflag
|= OPOST
;
319 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
320 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
325 tcsetattr (0, TCSANOW
, &tty
);
326 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
329 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
330 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
332 register a function to be called at normal program termination
335 #ifdef CONFIG_BEOS_NETSERVER
336 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
340 /* read a key without blocking */
341 static int read_key(void)
343 #if defined(HAVE_TERMIOS_H)
346 #ifndef CONFIG_BEOS_NETSERVER
354 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
363 #elif defined(HAVE_CONIO_H)
370 static int decode_interrupt_cb(void)
372 return q_pressed
|| (q_pressed
= read_key() == 'q');
375 static int av_exit(int ret
)
380 for(i
=0;i
<nb_output_files
;i
++) {
381 /* maybe av_close_output_file ??? */
382 AVFormatContext
*s
= output_files
[i
];
384 if (!(s
->oformat
->flags
& AVFMT_NOFILE
) && s
->pb
)
386 for(j
=0;j
<s
->nb_streams
;j
++) {
387 av_free(s
->streams
[j
]->codec
);
388 av_free(s
->streams
[j
]);
392 for(i
=0;i
<nb_input_files
;i
++)
393 av_close_input_file(input_files
[i
]);
395 av_free(intra_matrix
);
396 av_free(inter_matrix
);
400 av_free(vstats_filename
);
404 av_free(video_codec_name
);
405 av_free(audio_codec_name
);
406 av_free(subtitle_codec_name
);
408 av_free(video_standard
);
410 #ifdef CONFIG_POWERPC_PERF
411 extern void powerpc_display_perf_report(void);
412 powerpc_display_perf_report();
413 #endif /* CONFIG_POWERPC_PERF */
415 if (received_sigterm
) {
417 "Received signal %d: terminating.\n",
418 (int) received_sigterm
);
422 exit(ret
); /* not all OS-es handle main() return value */
426 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
432 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
435 /* copy stream format */
436 s
->nb_streams
= ic
->nb_streams
;
437 for(i
=0;i
<ic
->nb_streams
;i
++) {
440 // FIXME: a more elegant solution is needed
441 st
= av_mallocz(sizeof(AVStream
));
442 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
443 st
->codec
= avcodec_alloc_context();
444 memcpy(st
->codec
, ic
->streams
[i
]->codec
, sizeof(AVCodecContext
));
447 if (st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& audio_stream_copy
)
449 else if (st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& video_stream_copy
)
452 if(!st
->codec
->thread_count
)
453 st
->codec
->thread_count
= 1;
454 if(st
->codec
->thread_count
>1)
455 avcodec_thread_init(st
->codec
, st
->codec
->thread_count
);
457 if(st
->codec
->flags
& CODEC_FLAG_BITEXACT
)
462 s
->timestamp
= av_gettime();
464 av_close_input_file(ic
);
469 get_sync_ipts(const AVOutputStream
*ost
)
471 const AVInputStream
*ist
= ost
->sync_ist
;
472 return (double)(ist
->pts
- start_time
)/AV_TIME_BASE
;
475 static void write_frame(AVFormatContext
*s
, AVPacket
*pkt
, AVCodecContext
*avctx
, AVBitStreamFilterContext
*bsfc
){
479 AVPacket new_pkt
= *pkt
;
480 int a
= av_bitstream_filter_filter(bsfc
, avctx
, NULL
,
481 &new_pkt
.data
, &new_pkt
.size
,
482 pkt
->data
, pkt
->size
,
483 pkt
->flags
& PKT_FLAG_KEY
);
486 new_pkt
.destruct
= av_destruct_packet
;
488 fprintf(stderr
, "%s failed for stream %d, codec %s",
489 bsfc
->filter
->name
, pkt
->stream_index
,
490 avctx
->codec
? avctx
->codec
->name
: "copy");
498 ret
= av_interleaved_write_frame(s
, pkt
);
500 print_error("av_interleaved_write_frame()", ret
);
505 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
507 static void do_audio_out(AVFormatContext
*s
,
510 unsigned char *buf
, int size
)
513 static uint8_t *audio_buf
= NULL
;
514 static uint8_t *audio_out
= NULL
;
515 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
517 int size_out
, frame_bytes
, ret
;
518 AVCodecContext
*enc
= ost
->st
->codec
;
519 AVCodecContext
*dec
= ist
->st
->codec
;
521 /* SC: dynamic allocation of buffers */
523 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
525 audio_out
= av_malloc(audio_out_size
);
526 if (!audio_buf
|| !audio_out
)
527 return; /* Should signal an error ! */
529 if (enc
->channels
!= dec
->channels
)
530 ost
->audio_resample
= 1;
532 if (ost
->audio_resample
&& !ost
->resample
) {
533 ost
->resample
= audio_resample_init(enc
->channels
, dec
->channels
,
534 enc
->sample_rate
, dec
->sample_rate
);
535 if (!ost
->resample
) {
536 fprintf(stderr
, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
537 dec
->channels
, dec
->sample_rate
,
538 enc
->channels
, enc
->sample_rate
);
543 if(audio_sync_method
){
544 double delta
= get_sync_ipts(ost
) * enc
->sample_rate
- ost
->sync_opts
545 - av_fifo_size(&ost
->fifo
)/(ost
->st
->codec
->channels
* 2);
546 double idelta
= delta
*ist
->st
->codec
->sample_rate
/ enc
->sample_rate
;
547 int byte_delta
= ((int)idelta
)*2*ist
->st
->codec
->channels
;
549 //FIXME resample delay
550 if(fabs(delta
) > 50){
551 if(ist
->is_start
|| fabs(delta
) > audio_drift_threshold
*enc
->sample_rate
){
553 byte_delta
= FFMAX(byte_delta
, -size
);
557 fprintf(stderr
, "discarding %d audio samples\n", (int)-delta
);
562 static uint8_t *input_tmp
= NULL
;
563 input_tmp
= av_realloc(input_tmp
, byte_delta
+ size
);
565 if(byte_delta
+ size
<= MAX_AUDIO_PACKET_SIZE
)
568 byte_delta
= MAX_AUDIO_PACKET_SIZE
- size
;
570 memset(input_tmp
, 0, byte_delta
);
571 memcpy(input_tmp
+ byte_delta
, buf
, size
);
575 fprintf(stderr
, "adding %d audio samples of silence\n", (int)delta
);
577 }else if(audio_sync_method
>1){
578 int comp
= av_clip(delta
, -audio_sync_method
, audio_sync_method
);
579 assert(ost
->audio_resample
);
581 fprintf(stderr
, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta
, comp
, enc
->sample_rate
);
582 // 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));
583 av_resample_compensate(*(struct AVResampleContext
**)ost
->resample
, comp
, enc
->sample_rate
);
587 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) * enc
->sample_rate
)
588 - av_fifo_size(&ost
->fifo
)/(ost
->st
->codec
->channels
* 2); //FIXME wrong
590 if (ost
->audio_resample
) {
592 size_out
= audio_resample(ost
->resample
,
593 (short *)buftmp
, (short *)buf
,
594 size
/ (ist
->st
->codec
->channels
* 2));
595 size_out
= size_out
* enc
->channels
* 2;
601 /* now encode as many frames as possible */
602 if (enc
->frame_size
> 1) {
603 /* output resampled raw samples */
604 av_fifo_realloc(&ost
->fifo
, av_fifo_size(&ost
->fifo
) + size_out
);
605 av_fifo_generic_write(&ost
->fifo
, buftmp
, size_out
, NULL
);
607 frame_bytes
= enc
->frame_size
* 2 * enc
->channels
;
609 while (av_fifo_size(&ost
->fifo
) >= frame_bytes
) {
611 av_init_packet(&pkt
);
613 av_fifo_read(&ost
->fifo
, audio_buf
, frame_bytes
);
615 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
617 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
620 pkt
.stream_index
= ost
->index
;
623 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
624 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
625 pkt
.flags
|= PKT_FLAG_KEY
;
626 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
628 ost
->sync_opts
+= enc
->frame_size
;
632 av_init_packet(&pkt
);
634 ost
->sync_opts
+= size_out
/ (2 * enc
->channels
);
636 /* output a pcm frame */
637 /* XXX: change encoding codec API to avoid this ? */
638 switch(enc
->codec
->id
) {
639 case CODEC_ID_PCM_S32LE
:
640 case CODEC_ID_PCM_S32BE
:
641 case CODEC_ID_PCM_U32LE
:
642 case CODEC_ID_PCM_U32BE
:
643 size_out
= size_out
<< 1;
645 case CODEC_ID_PCM_S24LE
:
646 case CODEC_ID_PCM_S24BE
:
647 case CODEC_ID_PCM_U24LE
:
648 case CODEC_ID_PCM_U24BE
:
649 case CODEC_ID_PCM_S24DAUD
:
650 size_out
= size_out
/ 2 * 3;
652 case CODEC_ID_PCM_S16LE
:
653 case CODEC_ID_PCM_S16BE
:
654 case CODEC_ID_PCM_U16LE
:
655 case CODEC_ID_PCM_U16BE
:
658 size_out
= size_out
>> 1;
661 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
662 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
665 pkt
.stream_index
= ost
->index
;
668 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
669 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
670 pkt
.flags
|= PKT_FLAG_KEY
;
671 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
675 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
679 AVPicture picture_tmp
;
682 dec
= ist
->st
->codec
;
684 /* deinterlace : must be done before any resize */
685 if (do_deinterlace
|| using_vhook
) {
688 /* create temporary picture */
689 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
690 buf
= av_malloc(size
);
694 picture2
= &picture_tmp
;
695 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
698 if(avpicture_deinterlace(picture2
, picture
,
699 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
700 /* if error, do not deinterlace */
706 av_picture_copy(picture2
, picture
, dec
->pix_fmt
, dec
->width
, dec
->height
);
713 frame_hook_process(picture2
, dec
->pix_fmt
, dec
->width
, dec
->height
,
714 1000000 * ist
->pts
/ AV_TIME_BASE
);
716 if (picture
!= picture2
)
717 *picture
= *picture2
;
721 /* we begin to correct av delay at this threshold */
722 #define AV_DELAY_MAX 0.100
724 static void do_subtitle_out(AVFormatContext
*s
,
730 static uint8_t *subtitle_out
= NULL
;
731 int subtitle_out_max_size
= 65536;
732 int subtitle_out_size
, nb
, i
;
736 if (pts
== AV_NOPTS_VALUE
) {
737 fprintf(stderr
, "Subtitle packets must have a pts\n");
741 enc
= ost
->st
->codec
;
744 subtitle_out
= av_malloc(subtitle_out_max_size
);
747 /* Note: DVB subtitle need one packet to draw them and one other
748 packet to clear them */
749 /* XXX: signal it in the codec context ? */
750 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
)
755 for(i
= 0; i
< nb
; i
++) {
756 subtitle_out_size
= avcodec_encode_subtitle(enc
, subtitle_out
,
757 subtitle_out_max_size
, sub
);
759 av_init_packet(&pkt
);
760 pkt
.stream_index
= ost
->index
;
761 pkt
.data
= subtitle_out
;
762 pkt
.size
= subtitle_out_size
;
763 pkt
.pts
= av_rescale_q(pts
, ist
->st
->time_base
, ost
->st
->time_base
);
764 if (enc
->codec_id
== CODEC_ID_DVB_SUBTITLE
) {
765 /* XXX: the pts correction is handled here. Maybe handling
766 it in the codec would be better */
768 pkt
.pts
+= 90 * sub
->start_display_time
;
770 pkt
.pts
+= 90 * sub
->end_display_time
;
772 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
776 static int bit_buffer_size
= 1024*256;
777 static uint8_t *bit_buffer
= NULL
;
779 static void do_video_out(AVFormatContext
*s
,
785 int nb_frames
, i
, ret
;
786 AVFrame
*final_picture
, *formatted_picture
, *resampling_dst
, *padding_src
;
787 AVFrame picture_crop_temp
, picture_pad_temp
;
788 AVCodecContext
*enc
, *dec
;
790 avcodec_get_frame_defaults(&picture_crop_temp
);
791 avcodec_get_frame_defaults(&picture_pad_temp
);
793 enc
= ost
->st
->codec
;
794 dec
= ist
->st
->codec
;
796 /* by default, we output a single frame */
801 if(video_sync_method
>0 || (video_sync_method
&& av_q2d(enc
->time_base
) > 0.001)){
803 vdelta
= get_sync_ipts(ost
) / av_q2d(enc
->time_base
) - ost
->sync_opts
;
804 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
807 else if (video_sync_method
== 2)
808 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
809 else if (vdelta
> 1.1)
810 nb_frames
= lrintf(vdelta
);
811 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
815 fprintf(stderr
, "*** drop!\n");
816 }else if (nb_frames
> 1) {
817 nb_frames_dup
+= nb_frames
;
819 fprintf(stderr
, "*** %d dup!\n", nb_frames
-1);
822 ost
->sync_opts
= lrintf(get_sync_ipts(ost
) / av_q2d(enc
->time_base
));
824 nb_frames
= FFMIN(nb_frames
, max_frames
[CODEC_TYPE_VIDEO
] - ost
->frame_number
);
828 if (ost
->video_crop
) {
829 if (av_picture_crop((AVPicture
*)&picture_crop_temp
, (AVPicture
*)in_picture
, dec
->pix_fmt
, ost
->topBand
, ost
->leftBand
) < 0) {
830 av_log(NULL
, AV_LOG_ERROR
, "error cropping picture\n");
833 formatted_picture
= &picture_crop_temp
;
835 formatted_picture
= in_picture
;
838 final_picture
= formatted_picture
;
839 padding_src
= formatted_picture
;
840 resampling_dst
= &ost
->pict_tmp
;
841 if (ost
->video_pad
) {
842 final_picture
= &ost
->pict_tmp
;
843 if (ost
->video_resample
) {
844 if (av_picture_crop((AVPicture
*)&picture_pad_temp
, (AVPicture
*)final_picture
, enc
->pix_fmt
, ost
->padtop
, ost
->padleft
) < 0) {
845 av_log(NULL
, AV_LOG_ERROR
, "error padding picture\n");
848 resampling_dst
= &picture_pad_temp
;
852 if (ost
->video_resample
) {
854 final_picture
= &ost
->pict_tmp
;
855 sws_scale(ost
->img_resample_ctx
, formatted_picture
->data
, formatted_picture
->linesize
,
856 0, ost
->resample_height
, resampling_dst
->data
, resampling_dst
->linesize
);
859 if (ost
->video_pad
) {
860 av_picture_pad((AVPicture
*)final_picture
, (AVPicture
*)padding_src
,
861 enc
->height
, enc
->width
, enc
->pix_fmt
,
862 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
, padcolor
);
865 /* duplicates frame if needed */
866 for(i
=0;i
<nb_frames
;i
++) {
868 av_init_packet(&pkt
);
869 pkt
.stream_index
= ost
->index
;
871 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
872 /* raw pictures are written as AVPicture structure to
873 avoid any copies. We support temorarily the older
875 AVFrame
* old_frame
= enc
->coded_frame
;
876 enc
->coded_frame
= dec
->coded_frame
; //FIXME/XXX remove this hack
877 pkt
.data
= (uint8_t *)final_picture
;
878 pkt
.size
= sizeof(AVPicture
);
879 pkt
.pts
= av_rescale_q(ost
->sync_opts
, enc
->time_base
, ost
->st
->time_base
);
880 pkt
.flags
|= PKT_FLAG_KEY
;
882 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
883 enc
->coded_frame
= old_frame
;
887 big_picture
= *final_picture
;
888 /* better than nothing: use input picture interlaced
890 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
891 if(avctx_opts
[CODEC_TYPE_VIDEO
]->flags
& (CODEC_FLAG_INTERLACED_DCT
|CODEC_FLAG_INTERLACED_ME
)){
892 if(top_field_first
== -1)
893 big_picture
.top_field_first
= in_picture
->top_field_first
;
895 big_picture
.top_field_first
= top_field_first
;
898 /* handles sameq here. This is not correct because it may
899 not be a global option */
901 big_picture
.quality
= ist
->st
->quality
;
903 big_picture
.quality
= ost
->st
->quality
;
905 big_picture
.pict_type
= 0;
906 // big_picture.pts = AV_NOPTS_VALUE;
907 big_picture
.pts
= ost
->sync_opts
;
908 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
909 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
910 ret
= avcodec_encode_video(enc
,
911 bit_buffer
, bit_buffer_size
,
914 fprintf(stderr
, "Video encoding failed\n");
917 //enc->frame_number = enc->real_pict_num;
919 pkt
.data
= bit_buffer
;
921 if(enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
922 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
923 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
924 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
925 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
927 if(enc
->coded_frame
->key_frame
)
928 pkt
.flags
|= PKT_FLAG_KEY
;
929 write_frame(s
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
931 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
932 // enc->frame_number-1, enc->real_pict_num, ret,
934 /* if two pass, output log */
935 if (ost
->logfile
&& enc
->stats_out
) {
936 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
945 static double psnr(double d
){
946 return -10.0*log(d
)/log(10.0);
949 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
954 double ti1
, bitrate
, avg_bitrate
;
956 /* this is executed just the first time do_video_stats is called */
958 vstats_file
= fopen(vstats_filename
, "w");
965 enc
= ost
->st
->codec
;
966 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
967 frame_number
= ost
->frame_number
;
968 fprintf(vstats_file
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
969 if (enc
->flags
&CODEC_FLAG_PSNR
)
970 fprintf(vstats_file
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
972 fprintf(vstats_file
,"f_size= %6d ", frame_size
);
973 /* compute pts value */
974 ti1
= ost
->sync_opts
* av_q2d(enc
->time_base
);
978 bitrate
= (frame_size
* 8) / av_q2d(enc
->time_base
) / 1000.0;
979 avg_bitrate
= (double)(video_size
* 8) / ti1
/ 1000.0;
980 fprintf(vstats_file
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
981 (double)video_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
982 fprintf(vstats_file
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
986 static void print_report(AVFormatContext
**output_files
,
987 AVOutputStream
**ost_table
, int nb_ostreams
,
992 AVFormatContext
*oc
, *os
;
995 int frame_number
, vid
, i
;
996 double bitrate
, ti1
, pts
;
997 static int64_t last_time
= -1;
998 static int qp_histogram
[52];
1000 if (!is_last_report
) {
1002 /* display the report every 0.5 seconds */
1003 cur_time
= av_gettime();
1004 if (last_time
== -1) {
1005 last_time
= cur_time
;
1008 if ((cur_time
- last_time
) < 500000)
1010 last_time
= cur_time
;
1014 oc
= output_files
[0];
1016 total_size
= url_fsize(oc
->pb
);
1017 if(total_size
<0) // FIXME improve url_fsize() so it works with non seekable output too
1018 total_size
= url_ftell(oc
->pb
);
1023 for(i
=0;i
<nb_ostreams
;i
++) {
1025 os
= output_files
[ost
->file_index
];
1026 enc
= ost
->st
->codec
;
1027 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1028 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "q=%2.1f ",
1029 !ost
->st
->stream_copy
?
1030 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1032 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1033 float t
= (av_gettime()-timer_start
) / 1000000.0;
1035 frame_number
= ost
->frame_number
;
1036 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "frame=%5d fps=%3d q=%3.1f ",
1037 frame_number
, (t
>1)?(int)(frame_number
/t
+0.5) : 0,
1038 !ost
->st
->stream_copy
?
1039 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: -1);
1041 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "L");
1044 int qp
= lrintf(enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1045 if(qp
>=0 && qp
<sizeof(qp_histogram
)/sizeof(int))
1048 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%X", (int)lrintf(log(qp_histogram
[j
]+1)/log(2)));
1050 if (enc
->flags
&CODEC_FLAG_PSNR
){
1052 double error
, error_sum
=0;
1053 double scale
, scale_sum
=0;
1054 char type
[3]= {'Y','U','V'};
1055 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "PSNR=");
1058 error
= enc
->error
[j
];
1059 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
1061 error
= enc
->coded_frame
->error
[j
];
1062 scale
= enc
->width
*enc
->height
*255.0*255.0;
1067 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
1069 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
1073 /* compute min output value */
1074 pts
= (double)ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
1075 if ((pts
< ti1
) && (pts
> 0))
1081 if (verbose
|| is_last_report
) {
1082 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
1084 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
),
1085 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1086 (double)total_size
/ 1024, ti1
, bitrate
);
1089 snprintf(buf
+ strlen(buf
), sizeof(buf
) - strlen(buf
), " dup=%d drop=%d",
1090 nb_frames_dup
, nb_frames_drop
);
1093 fprintf(stderr
, "%s \r", buf
);
1098 if (is_last_report
&& verbose
>= 0){
1099 int64_t raw
= audio_size
+ video_size
+ extra_size
;
1100 fprintf(stderr
, "\n");
1101 fprintf(stderr
, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1105 100.0*(total_size
- raw
)/raw
1110 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1111 static int output_packet(AVInputStream
*ist
, int ist_index
,
1112 AVOutputStream
**ost_table
, int nb_ostreams
,
1113 const AVPacket
*pkt
)
1115 AVFormatContext
*os
;
1116 AVOutputStream
*ost
;
1120 int data_size
, got_picture
;
1122 void *buffer_to_free
;
1123 static unsigned int samples_size
= 0;
1124 static short *samples
= NULL
;
1125 AVSubtitle subtitle
, *subtitle_to_free
;
1128 if(ist
->next_pts
== AV_NOPTS_VALUE
)
1129 ist
->next_pts
= ist
->pts
;
1138 if(pkt
->dts
!= AV_NOPTS_VALUE
)
1139 ist
->next_pts
= ist
->pts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
1144 //while we have more to decode or while the decoder did output something on EOF
1145 while (len
> 0 || (!pkt
&& ist
->next_pts
!= ist
->pts
)) {
1147 ist
->pts
= ist
->next_pts
;
1149 if(len
&& len
!= pkt
->size
&& verbose
>0)
1150 fprintf(stderr
, "Multiple frames in a packet from stream %d\n", pkt
->stream_index
);
1152 /* decode the packet if needed */
1153 data_buf
= NULL
; /* fail safe */
1155 subtitle_to_free
= NULL
;
1156 if (ist
->decoding_needed
) {
1157 switch(ist
->st
->codec
->codec_type
) {
1158 case CODEC_TYPE_AUDIO
:{
1160 samples
= av_fast_realloc(samples
, &samples_size
, FFMAX(pkt
->size
*sizeof(*samples
), AVCODEC_MAX_AUDIO_FRAME_SIZE
));
1161 data_size
= samples_size
;
1162 /* XXX: could avoid copy if PCM 16 bits with same
1163 endianness as CPU */
1164 ret
= avcodec_decode_audio2(ist
->st
->codec
, samples
, &data_size
,
1170 /* Some bug in mpeg audio decoder gives */
1171 /* data_size < 0, it seems they are overflows */
1172 if (data_size
<= 0) {
1173 /* no audio frame */
1176 data_buf
= (uint8_t *)samples
;
1177 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
/2 * data_size
) /
1178 (ist
->st
->codec
->sample_rate
* ist
->st
->codec
->channels
);
1180 case CODEC_TYPE_VIDEO
:
1181 data_size
= (ist
->st
->codec
->width
* ist
->st
->codec
->height
* 3) / 2;
1182 /* XXX: allocate picture correctly */
1183 avcodec_get_frame_defaults(&picture
);
1185 ret
= avcodec_decode_video(ist
->st
->codec
,
1186 &picture
, &got_picture
, ptr
, len
);
1187 ist
->st
->quality
= picture
.quality
;
1191 /* no picture yet */
1192 goto discard_packet
;
1194 if (ist
->st
->codec
->time_base
.num
!= 0) {
1195 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1196 ist
->st
->codec
->time_base
.num
) /
1197 ist
->st
->codec
->time_base
.den
;
1201 case CODEC_TYPE_SUBTITLE
:
1202 ret
= avcodec_decode_subtitle(ist
->st
->codec
,
1203 &subtitle
, &got_subtitle
, ptr
, len
);
1206 if (!got_subtitle
) {
1207 goto discard_packet
;
1209 subtitle_to_free
= &subtitle
;
1216 switch(ist
->st
->codec
->codec_type
) {
1217 case CODEC_TYPE_AUDIO
:
1218 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
* ist
->st
->codec
->frame_size
) /
1219 ist
->st
->codec
->sample_rate
;
1221 case CODEC_TYPE_VIDEO
:
1222 if (ist
->st
->codec
->time_base
.num
!= 0) {
1223 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1224 ist
->st
->codec
->time_base
.num
) /
1225 ist
->st
->codec
->time_base
.den
;
1235 buffer_to_free
= NULL
;
1236 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1237 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
1241 // preprocess audio (volume)
1242 if (ist
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
) {
1243 if (audio_volume
!= 256) {
1246 for(i
=0;i
<(data_size
/ sizeof(short));i
++) {
1247 int v
= ((*volp
) * audio_volume
+ 128) >> 8;
1248 if (v
< -32768) v
= -32768;
1249 if (v
> 32767) v
= 32767;
1255 /* frame rate emulation */
1256 if (ist
->st
->codec
->rate_emu
) {
1257 int64_t pts
= av_rescale((int64_t) ist
->frame
* ist
->st
->codec
->time_base
.num
, 1000000, ist
->st
->codec
->time_base
.den
);
1258 int64_t now
= av_gettime() - ist
->start
;
1266 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1267 is the one of the next displayed one */
1268 /* XXX: add mpeg4 too ? */
1269 if (ist
->st
->codec
->codec_id
== CODEC_ID_MPEG1VIDEO
) {
1270 if (ist
->st
->codec
->pict_type
!= B_TYPE
) {
1272 tmp
= ist
->last_ip_pts
;
1273 ist
->last_ip_pts
= ist
->frac_pts
.val
;
1274 ist
->frac_pts
.val
= tmp
;
1278 /* if output time reached then transcode raw format,
1279 encode packets and output them */
1280 if (start_time
== 0 || ist
->pts
>= start_time
)
1281 for(i
=0;i
<nb_ostreams
;i
++) {
1285 if (ost
->source_index
== ist_index
) {
1286 os
= output_files
[ost
->file_index
];
1289 printf("%d: got pts=%0.3f %0.3f\n", i
,
1290 (double)pkt
->pts
/ AV_TIME_BASE
,
1291 ((double)ist
->pts
/ AV_TIME_BASE
) -
1292 ((double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
));
1294 /* set the input output pts pairs */
1295 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1297 if (ost
->encoding_needed
) {
1298 switch(ost
->st
->codec
->codec_type
) {
1299 case CODEC_TYPE_AUDIO
:
1300 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
1302 case CODEC_TYPE_VIDEO
:
1303 do_video_out(os
, ost
, ist
, &picture
, &frame_size
);
1304 video_size
+= frame_size
;
1305 if (vstats_filename
&& frame_size
)
1306 do_video_stats(os
, ost
, frame_size
);
1308 case CODEC_TYPE_SUBTITLE
:
1309 do_subtitle_out(os
, ost
, ist
, &subtitle
,
1316 AVFrame avframe
; //FIXME/XXX remove this
1318 av_init_packet(&opkt
);
1320 if (!ost
->frame_number
&& !(pkt
->flags
& PKT_FLAG_KEY
))
1323 /* no reencoding needed : output the packet directly */
1324 /* force the input stream PTS */
1326 avcodec_get_frame_defaults(&avframe
);
1327 ost
->st
->codec
->coded_frame
= &avframe
;
1328 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1330 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
)
1331 audio_size
+= data_size
;
1332 else if (ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
) {
1333 video_size
+= data_size
;
1337 opkt
.stream_index
= ost
->index
;
1338 if(pkt
->pts
!= AV_NOPTS_VALUE
)
1339 opkt
.pts
= av_rescale_q(pkt
->pts
, ist
->st
->time_base
, ost
->st
->time_base
);
1341 opkt
.pts
= AV_NOPTS_VALUE
;
1343 if (pkt
->dts
== AV_NOPTS_VALUE
)
1344 opkt
.dts
= av_rescale_q(ist
->pts
, AV_TIME_BASE_Q
, ost
->st
->time_base
);
1346 opkt
.dts
= av_rescale_q(pkt
->dts
, ist
->st
->time_base
, ost
->st
->time_base
);
1348 opkt
.duration
= av_rescale_q(pkt
->duration
, ist
->st
->time_base
, ost
->st
->time_base
);
1349 opkt
.flags
= pkt
->flags
;
1351 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1352 if(av_parser_change(ist
->st
->parser
, ost
->st
->codec
, &opkt
.data
, &opkt
.size
, data_buf
, data_size
, pkt
->flags
& PKT_FLAG_KEY
))
1353 opkt
.destruct
= av_destruct_packet
;
1355 write_frame(os
, &opkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][opkt
.stream_index
]);
1356 ost
->st
->codec
->frame_number
++;
1357 ost
->frame_number
++;
1358 av_free_packet(&opkt
);
1362 av_free(buffer_to_free
);
1363 /* XXX: allocate the subtitles in the codec ? */
1364 if (subtitle_to_free
) {
1365 if (subtitle_to_free
->rects
!= NULL
) {
1366 for (i
= 0; i
< subtitle_to_free
->num_rects
; i
++) {
1367 av_free(subtitle_to_free
->rects
[i
].bitmap
);
1368 av_free(subtitle_to_free
->rects
[i
].rgba_palette
);
1370 av_freep(&subtitle_to_free
->rects
);
1372 subtitle_to_free
->num_rects
= 0;
1373 subtitle_to_free
= NULL
;
1380 for(i
=0;i
<nb_ostreams
;i
++) {
1382 if (ost
->source_index
== ist_index
) {
1383 AVCodecContext
*enc
= ost
->st
->codec
;
1384 os
= output_files
[ost
->file_index
];
1386 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_AUDIO
&& enc
->frame_size
<=1)
1388 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
&& (os
->oformat
->flags
& AVFMT_RAWPICTURE
))
1391 if (ost
->encoding_needed
) {
1395 av_init_packet(&pkt
);
1396 pkt
.stream_index
= ost
->index
;
1398 switch(ost
->st
->codec
->codec_type
) {
1399 case CODEC_TYPE_AUDIO
:
1400 fifo_bytes
= av_fifo_size(&ost
->fifo
);
1402 /* encode any samples remaining in fifo */
1403 if(fifo_bytes
> 0 && enc
->codec
->capabilities
& CODEC_CAP_SMALL_LAST_FRAME
) {
1404 int fs_tmp
= enc
->frame_size
;
1405 enc
->frame_size
= fifo_bytes
/ (2 * enc
->channels
);
1406 av_fifo_read(&ost
->fifo
, (uint8_t *)samples
, fifo_bytes
);
1407 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, samples
);
1408 enc
->frame_size
= fs_tmp
;
1411 ret
= avcodec_encode_audio(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1414 pkt
.flags
|= PKT_FLAG_KEY
;
1416 case CODEC_TYPE_VIDEO
:
1417 ret
= avcodec_encode_video(enc
, bit_buffer
, bit_buffer_size
, NULL
);
1419 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
1420 pkt
.flags
|= PKT_FLAG_KEY
;
1421 if (ost
->logfile
&& enc
->stats_out
) {
1422 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1431 pkt
.data
= bit_buffer
;
1433 if(enc
->coded_frame
&& enc
->coded_frame
->pts
!= AV_NOPTS_VALUE
)
1434 pkt
.pts
= av_rescale_q(enc
->coded_frame
->pts
, enc
->time_base
, ost
->st
->time_base
);
1435 write_frame(os
, &pkt
, ost
->st
->codec
, bitstream_filters
[ost
->file_index
][pkt
.stream_index
]);
1447 static void print_sdp(AVFormatContext
**avc
, int n
)
1451 avf_sdp_create(avc
, n
, sdp
, sizeof(sdp
));
1452 printf("SDP:\n%s\n", sdp
);
1455 static int stream_index_from_inputs(AVFormatContext
**input_files
,
1457 AVInputFile
*file_table
,
1458 AVInputStream
**ist_table
,
1459 enum CodecType type
,
1463 for(z
=0; z
<nb_input_files
; z
++) {
1464 AVFormatContext
*ic
= input_files
[z
];
1465 for(p
=0; p
<ic
->nb_programs
; p
++) {
1466 AVProgram
*program
= ic
->programs
[p
];
1467 if(program
->id
!= programid
)
1469 for(q
=0; q
<program
->nb_stream_indexes
; q
++) {
1470 int sidx
= program
->stream_index
[q
];
1471 int ris
= file_table
[z
].ist_index
+ sidx
;
1472 if(ist_table
[ris
]->discard
&& ic
->streams
[sidx
]->codec
->codec_type
== type
)
1482 * The following code is the main loop of the file converter
1484 static int av_encode(AVFormatContext
**output_files
,
1485 int nb_output_files
,
1486 AVFormatContext
**input_files
,
1488 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1490 int ret
, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1491 AVFormatContext
*is
, *os
;
1492 AVCodecContext
*codec
, *icodec
;
1493 AVOutputStream
*ost
, **ost_table
= NULL
;
1494 AVInputStream
*ist
, **ist_table
= NULL
;
1495 AVInputFile
*file_table
;
1499 file_table
= av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1503 /* input stream init */
1505 for(i
=0;i
<nb_input_files
;i
++) {
1506 is
= input_files
[i
];
1507 file_table
[i
].ist_index
= j
;
1508 file_table
[i
].nb_streams
= is
->nb_streams
;
1509 j
+= is
->nb_streams
;
1513 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1517 for(i
=0;i
<nb_istreams
;i
++) {
1518 ist
= av_mallocz(sizeof(AVInputStream
));
1524 for(i
=0;i
<nb_input_files
;i
++) {
1525 is
= input_files
[i
];
1526 for(k
=0;k
<is
->nb_streams
;k
++) {
1527 ist
= ist_table
[j
++];
1528 ist
->st
= is
->streams
[k
];
1529 ist
->file_index
= i
;
1531 ist
->discard
= 1; /* the stream is discarded by default
1534 if (ist
->st
->codec
->rate_emu
) {
1535 ist
->start
= av_gettime();
1541 /* output stream init */
1543 for(i
=0;i
<nb_output_files
;i
++) {
1544 os
= output_files
[i
];
1545 if (!os
->nb_streams
) {
1546 fprintf(stderr
, "Output file does not contain any stream\n");
1549 nb_ostreams
+= os
->nb_streams
;
1551 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1552 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1556 /* Sanity check the mapping args -- do the input files & streams exist? */
1557 for(i
=0;i
<nb_stream_maps
;i
++) {
1558 int fi
= stream_maps
[i
].file_index
;
1559 int si
= stream_maps
[i
].stream_index
;
1561 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1562 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1563 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1566 fi
= stream_maps
[i
].sync_file_index
;
1567 si
= stream_maps
[i
].sync_stream_index
;
1568 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1569 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1570 fprintf(stderr
,"Could not find sync stream #%d.%d\n", fi
, si
);
1575 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1578 for(i
=0;i
<nb_ostreams
;i
++) {
1579 ost
= av_mallocz(sizeof(AVOutputStream
));
1586 for(k
=0;k
<nb_output_files
;k
++) {
1587 os
= output_files
[k
];
1588 for(i
=0;i
<os
->nb_streams
;i
++) {
1590 ost
= ost_table
[n
++];
1591 ost
->file_index
= k
;
1593 ost
->st
= os
->streams
[i
];
1594 if (nb_stream_maps
> 0) {
1595 ost
->source_index
= file_table
[stream_maps
[n
-1].file_index
].ist_index
+
1596 stream_maps
[n
-1].stream_index
;
1598 /* Sanity check that the stream types match */
1599 if (ist_table
[ost
->source_index
]->st
->codec
->codec_type
!= ost
->st
->codec
->codec_type
) {
1600 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1601 stream_maps
[n
-1].file_index
, stream_maps
[n
-1].stream_index
,
1602 ost
->file_index
, ost
->index
);
1609 j
= stream_index_from_inputs(input_files
, nb_input_files
, file_table
, ist_table
, ost
->st
->codec
->codec_type
, opt_programid
);
1611 ost
->source_index
= j
;
1615 /* get corresponding input stream index : we select the first one with the right type */
1617 for(j
=0;j
<nb_istreams
;j
++) {
1620 ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1621 ost
->source_index
= j
;
1629 if(! opt_programid
) {
1630 /* try again and reuse existing stream */
1631 for(j
=0;j
<nb_istreams
;j
++) {
1633 if (ist
->st
->codec
->codec_type
== ost
->st
->codec
->codec_type
) {
1634 ost
->source_index
= j
;
1640 int i
= ost
->file_index
;
1641 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1642 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1643 ost
->file_index
, ost
->index
);
1648 ist
= ist_table
[ost
->source_index
];
1650 ost
->sync_ist
= (nb_stream_maps
> 0) ?
1651 ist_table
[file_table
[stream_maps
[n
-1].sync_file_index
].ist_index
+
1652 stream_maps
[n
-1].sync_stream_index
] : ist
;
1656 /* for each output stream, we compute the right encoding parameters */
1657 for(i
=0;i
<nb_ostreams
;i
++) {
1659 os
= output_files
[ost
->file_index
];
1660 ist
= ist_table
[ost
->source_index
];
1662 codec
= ost
->st
->codec
;
1663 icodec
= ist
->st
->codec
;
1665 if (!ost
->st
->language
[0])
1666 av_strlcpy(ost
->st
->language
, ist
->st
->language
,
1667 sizeof(ost
->st
->language
));
1669 ost
->st
->disposition
= ist
->st
->disposition
;
1671 if (ost
->st
->stream_copy
) {
1672 /* if stream_copy is selected, no need to decode or encode */
1673 codec
->codec_id
= icodec
->codec_id
;
1674 codec
->codec_type
= icodec
->codec_type
;
1676 if(!codec
->codec_tag
){
1677 if( !os
->oformat
->codec_tag
1678 || av_codec_get_id (os
->oformat
->codec_tag
, icodec
->codec_tag
) > 0
1679 || av_codec_get_tag(os
->oformat
->codec_tag
, icodec
->codec_id
) <= 0)
1680 codec
->codec_tag
= icodec
->codec_tag
;
1683 codec
->bit_rate
= icodec
->bit_rate
;
1684 codec
->extradata
= icodec
->extradata
;
1685 codec
->extradata_size
= icodec
->extradata_size
;
1686 if(av_q2d(icodec
->time_base
) > av_q2d(ist
->st
->time_base
) && av_q2d(ist
->st
->time_base
) < 1.0/1000)
1687 codec
->time_base
= icodec
->time_base
;
1689 codec
->time_base
= ist
->st
->time_base
;
1690 switch(codec
->codec_type
) {
1691 case CODEC_TYPE_AUDIO
:
1692 if(audio_volume
!= 256) {
1693 fprintf(stderr
,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1696 codec
->sample_rate
= icodec
->sample_rate
;
1697 codec
->channels
= icodec
->channels
;
1698 codec
->frame_size
= icodec
->frame_size
;
1699 codec
->block_align
= icodec
->block_align
;
1700 if(codec
->block_align
== 1 && codec
->codec_id
== CODEC_ID_MP3
)
1701 codec
->block_align
= 0;
1702 if(codec
->codec_id
== CODEC_ID_AC3
)
1703 codec
->block_align
= 0;
1705 case CODEC_TYPE_VIDEO
:
1707 fprintf(stderr
,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1710 codec
->pix_fmt
= icodec
->pix_fmt
;
1711 codec
->width
= icodec
->width
;
1712 codec
->height
= icodec
->height
;
1713 codec
->has_b_frames
= icodec
->has_b_frames
;
1715 case CODEC_TYPE_SUBTITLE
:
1721 switch(codec
->codec_type
) {
1722 case CODEC_TYPE_AUDIO
:
1723 if (av_fifo_init(&ost
->fifo
, 1024))
1725 ost
->audio_resample
= codec
->sample_rate
!= icodec
->sample_rate
|| audio_sync_method
> 1;
1726 icodec
->request_channels
= codec
->channels
;
1727 ist
->decoding_needed
= 1;
1728 ost
->encoding_needed
= 1;
1730 case CODEC_TYPE_VIDEO
:
1731 ost
->video_crop
= ((frame_leftBand
+ frame_rightBand
+ frame_topBand
+ frame_bottomBand
) != 0);
1732 ost
->video_pad
= ((frame_padleft
+ frame_padright
+ frame_padtop
+ frame_padbottom
) != 0);
1733 ost
->video_resample
= ((codec
->width
!= icodec
->width
-
1734 (frame_leftBand
+ frame_rightBand
) +
1735 (frame_padleft
+ frame_padright
)) ||
1736 (codec
->height
!= icodec
->height
-
1737 (frame_topBand
+ frame_bottomBand
) +
1738 (frame_padtop
+ frame_padbottom
)) ||
1739 (codec
->pix_fmt
!= icodec
->pix_fmt
));
1740 if (ost
->video_crop
) {
1741 ost
->topBand
= frame_topBand
;
1742 ost
->leftBand
= frame_leftBand
;
1744 if (ost
->video_pad
) {
1745 ost
->padtop
= frame_padtop
;
1746 ost
->padleft
= frame_padleft
;
1747 ost
->padbottom
= frame_padbottom
;
1748 ost
->padright
= frame_padright
;
1749 if (!ost
->video_resample
) {
1750 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1751 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1752 codec
->width
, codec
->height
))
1756 if (ost
->video_resample
) {
1757 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1758 if(avpicture_alloc((AVPicture
*)&ost
->pict_tmp
, codec
->pix_fmt
,
1759 codec
->width
, codec
->height
)) {
1760 fprintf(stderr
, "Cannot allocate temp picture, check pix fmt\n");
1763 sws_flags
= av_get_int(sws_opts
, "sws_flags", NULL
);
1764 ost
->img_resample_ctx
= sws_getContext(
1765 icodec
->width
- (frame_leftBand
+ frame_rightBand
),
1766 icodec
->height
- (frame_topBand
+ frame_bottomBand
),
1768 codec
->width
- (frame_padleft
+ frame_padright
),
1769 codec
->height
- (frame_padtop
+ frame_padbottom
),
1771 sws_flags
, NULL
, NULL
, NULL
);
1772 if (ost
->img_resample_ctx
== NULL
) {
1773 fprintf(stderr
, "Cannot get resampling context\n");
1776 ost
->resample_height
= icodec
->height
- (frame_topBand
+ frame_bottomBand
);
1778 ost
->encoding_needed
= 1;
1779 ist
->decoding_needed
= 1;
1781 case CODEC_TYPE_SUBTITLE
:
1782 ost
->encoding_needed
= 1;
1783 ist
->decoding_needed
= 1;
1790 if (ost
->encoding_needed
&&
1791 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1792 char logfilename
[1024];
1797 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1799 pass_logfilename
: DEFAULT_PASS_LOGFILENAME
, i
);
1800 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1801 f
= fopen(logfilename
, "w");
1803 perror(logfilename
);
1808 /* read the log file */
1809 f
= fopen(logfilename
, "r");
1811 perror(logfilename
);
1814 fseek(f
, 0, SEEK_END
);
1816 fseek(f
, 0, SEEK_SET
);
1817 logbuffer
= av_malloc(size
+ 1);
1819 fprintf(stderr
, "Could not allocate log buffer\n");
1822 size
= fread(logbuffer
, 1, size
, f
);
1824 logbuffer
[size
] = '\0';
1825 codec
->stats_in
= logbuffer
;
1829 if(codec
->codec_type
== CODEC_TYPE_VIDEO
){
1830 int size
= codec
->width
* codec
->height
;
1831 bit_buffer_size
= FFMAX(bit_buffer_size
, 4*size
);
1836 bit_buffer
= av_malloc(bit_buffer_size
);
1840 /* dump the file output parameters - cannot be done before in case
1842 for(i
=0;i
<nb_output_files
;i
++) {
1843 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1846 /* dump the stream mapping */
1848 fprintf(stderr
, "Stream mapping:\n");
1849 for(i
=0;i
<nb_ostreams
;i
++) {
1851 fprintf(stderr
, " Stream #%d.%d -> #%d.%d",
1852 ist_table
[ost
->source_index
]->file_index
,
1853 ist_table
[ost
->source_index
]->index
,
1856 if (ost
->sync_ist
!= ist_table
[ost
->source_index
])
1857 fprintf(stderr
, " [sync #%d.%d]",
1858 ost
->sync_ist
->file_index
,
1859 ost
->sync_ist
->index
);
1860 fprintf(stderr
, "\n");
1864 /* open each encoder */
1865 for(i
=0;i
<nb_ostreams
;i
++) {
1867 if (ost
->encoding_needed
) {
1869 codec
= avcodec_find_encoder(ost
->st
->codec
->codec_id
);
1871 fprintf(stderr
, "Unsupported codec for output stream #%d.%d\n",
1872 ost
->file_index
, ost
->index
);
1875 if (avcodec_open(ost
->st
->codec
, codec
) < 0) {
1876 fprintf(stderr
, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1877 ost
->file_index
, ost
->index
);
1880 extra_size
+= ost
->st
->codec
->extradata_size
;
1884 /* open each decoder */
1885 for(i
=0;i
<nb_istreams
;i
++) {
1887 if (ist
->decoding_needed
) {
1889 codec
= avcodec_find_decoder(ist
->st
->codec
->codec_id
);
1891 fprintf(stderr
, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1892 ist
->st
->codec
->codec_id
, ist
->file_index
, ist
->index
);
1895 if (avcodec_open(ist
->st
->codec
, codec
) < 0) {
1896 fprintf(stderr
, "Error while opening codec for input stream #%d.%d\n",
1897 ist
->file_index
, ist
->index
);
1900 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1901 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1906 for(i
=0;i
<nb_istreams
;i
++) {
1908 is
= input_files
[ist
->file_index
];
1910 ist
->next_pts
= AV_NOPTS_VALUE
;
1914 /* set meta data information from input file if required */
1915 for (i
=0;i
<nb_meta_data_maps
;i
++) {
1916 AVFormatContext
*out_file
;
1917 AVFormatContext
*in_file
;
1919 int out_file_index
= meta_data_maps
[i
].out_file
;
1920 int in_file_index
= meta_data_maps
[i
].in_file
;
1921 if (out_file_index
< 0 || out_file_index
>= nb_output_files
) {
1922 fprintf(stderr
, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index
, out_file_index
, in_file_index
);
1923 ret
= AVERROR(EINVAL
);
1926 if (in_file_index
< 0 || in_file_index
>= nb_input_files
) {
1927 fprintf(stderr
, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index
, out_file_index
, in_file_index
);
1928 ret
= AVERROR(EINVAL
);
1932 out_file
= output_files
[out_file_index
];
1933 in_file
= input_files
[in_file_index
];
1935 strcpy(out_file
->title
, in_file
->title
);
1936 strcpy(out_file
->author
, in_file
->author
);
1937 strcpy(out_file
->copyright
, in_file
->copyright
);
1938 strcpy(out_file
->comment
, in_file
->comment
);
1939 strcpy(out_file
->album
, in_file
->album
);
1940 out_file
->year
= in_file
->year
;
1941 out_file
->track
= in_file
->track
;
1942 strcpy(out_file
->genre
, in_file
->genre
);
1945 /* open files and write file headers */
1946 for(i
=0;i
<nb_output_files
;i
++) {
1947 os
= output_files
[i
];
1948 if (av_write_header(os
) < 0) {
1949 fprintf(stderr
, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i
);
1950 ret
= AVERROR(EINVAL
);
1953 if (strcmp(output_files
[i
]->oformat
->name
, "rtp")) {
1958 print_sdp(output_files
, nb_output_files
);
1961 if (!using_stdin
&& verbose
>= 0) {
1962 fprintf(stderr
, "Press [q] to stop encoding\n");
1963 url_set_interrupt_cb(decode_interrupt_cb
);
1968 timer_start
= av_gettime();
1970 for(; received_sigterm
== 0;) {
1971 int file_index
, ist_index
;
1979 /* if 'q' pressed, exits */
1983 /* read_key() returns 0 on EOF */
1989 /* select the stream that we must read now by looking at the
1990 smallest output pts */
1992 for(i
=0;i
<nb_ostreams
;i
++) {
1995 os
= output_files
[ost
->file_index
];
1996 ist
= ist_table
[ost
->source_index
];
1997 if(ost
->st
->codec
->codec_type
== CODEC_TYPE_VIDEO
)
1998 opts
= ost
->sync_opts
* av_q2d(ost
->st
->codec
->time_base
);
2000 opts
= ost
->st
->pts
.val
* av_q2d(ost
->st
->time_base
);
2001 ipts
= (double)ist
->pts
;
2002 if (!file_table
[ist
->file_index
].eof_reached
){
2003 if(ipts
< ipts_min
) {
2005 if(input_sync
) file_index
= ist
->file_index
;
2007 if(opts
< opts_min
) {
2009 if(!input_sync
) file_index
= ist
->file_index
;
2012 if(ost
->frame_number
>= max_frames
[ost
->st
->codec
->codec_type
]){
2017 /* if none, if is finished */
2018 if (file_index
< 0) {
2022 /* finish if recording time exhausted */
2023 if (recording_time
> 0 && opts_min
>= (recording_time
/ 1000000.0))
2026 /* finish if limit size exhausted */
2027 if (limit_filesize
!= 0 && limit_filesize
< url_ftell(output_files
[0]->pb
))
2030 /* read a frame from it and output it in the fifo */
2031 is
= input_files
[file_index
];
2032 if (av_read_frame(is
, &pkt
) < 0) {
2033 file_table
[file_index
].eof_reached
= 1;
2041 av_pkt_dump_log(NULL
, AV_LOG_DEBUG
, &pkt
, do_hex_dump
);
2043 /* the following test is needed in case new streams appear
2044 dynamically in stream : we ignore them */
2045 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
2046 goto discard_packet
;
2047 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
2048 ist
= ist_table
[ist_index
];
2050 goto discard_packet
;
2052 if (pkt
.dts
!= AV_NOPTS_VALUE
)
2053 pkt
.dts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2054 if (pkt
.pts
!= AV_NOPTS_VALUE
)
2055 pkt
.pts
+= av_rescale_q(input_files_ts_offset
[ist
->file_index
], AV_TIME_BASE_Q
, ist
->st
->time_base
);
2057 if(input_files_ts_scale
[file_index
][pkt
.stream_index
]){
2058 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2059 pkt
.pts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2060 if(pkt
.dts
!= AV_NOPTS_VALUE
)
2061 pkt
.dts
*= input_files_ts_scale
[file_index
][pkt
.stream_index
];
2064 // 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);
2065 if (pkt
.dts
!= AV_NOPTS_VALUE
&& ist
->next_pts
!= AV_NOPTS_VALUE
) {
2066 int64_t pkt_dts
= av_rescale_q(pkt
.dts
, ist
->st
->time_base
, AV_TIME_BASE_Q
);
2067 int64_t delta
= pkt_dts
- ist
->next_pts
;
2068 if((FFABS(delta
) > 1LL*dts_delta_threshold
*AV_TIME_BASE
|| pkt_dts
+1<ist
->pts
)&& !copy_ts
){
2069 input_files_ts_offset
[ist
->file_index
]-= delta
;
2071 fprintf(stderr
, "timestamp discontinuity %"PRId64
", new offset= %"PRId64
"\n", delta
, input_files_ts_offset
[ist
->file_index
]);
2072 pkt
.dts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2073 if(pkt
.pts
!= AV_NOPTS_VALUE
)
2074 pkt
.pts
-= av_rescale_q(delta
, AV_TIME_BASE_Q
, ist
->st
->time_base
);
2078 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2079 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
2082 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
2083 ist
->file_index
, ist
->index
);
2085 av_free_packet(&pkt
);
2090 av_free_packet(&pkt
);
2092 /* dump report by using the output first video and audio streams */
2093 print_report(output_files
, ost_table
, nb_ostreams
, 0);
2096 /* at the end of stream, we must flush the decoder buffers */
2097 for(i
=0;i
<nb_istreams
;i
++) {
2099 if (ist
->decoding_needed
) {
2100 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
2106 /* write the trailer if needed and close file */
2107 for(i
=0;i
<nb_output_files
;i
++) {
2108 os
= output_files
[i
];
2109 av_write_trailer(os
);
2112 /* dump report by using the first video and audio streams */
2113 print_report(output_files
, ost_table
, nb_ostreams
, 1);
2115 /* close each encoder */
2116 for(i
=0;i
<nb_ostreams
;i
++) {
2118 if (ost
->encoding_needed
) {
2119 av_freep(&ost
->st
->codec
->stats_in
);
2120 avcodec_close(ost
->st
->codec
);
2124 /* close each decoder */
2125 for(i
=0;i
<nb_istreams
;i
++) {
2127 if (ist
->decoding_needed
) {
2128 avcodec_close(ist
->st
->codec
);
2136 av_freep(&bit_buffer
);
2137 av_free(file_table
);
2140 for(i
=0;i
<nb_istreams
;i
++) {
2147 for(i
=0;i
<nb_ostreams
;i
++) {
2151 fclose(ost
->logfile
);
2152 ost
->logfile
= NULL
;
2154 av_fifo_free(&ost
->fifo
); /* works even if fifo is not
2155 initialized but set to zero */
2156 av_free(ost
->pict_tmp
.data
[0]);
2157 if (ost
->video_resample
)
2158 sws_freeContext(ost
->img_resample_ctx
);
2160 audio_resample_close(ost
->resample
);
2168 ret
= AVERROR(ENOMEM
);
2173 int file_read(const char *filename
)
2176 unsigned char buffer
[1024];
2179 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
2180 printf("could not open '%s'\n", filename
);
2184 len
= url_read(h
, buffer
, sizeof(buffer
));
2187 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
2194 static void opt_format(const char *arg
)
2196 /* compatibility stuff for pgmyuv */
2197 if (!strcmp(arg
, "pgmyuv")) {
2198 pgmyuv_compatibility_hack
=1;
2199 // opt_image_format(arg);
2201 fprintf(stderr
, "pgmyuv format is deprecated, use image2\n");
2204 file_iformat
= av_find_input_format(arg
);
2205 file_oformat
= guess_format(arg
, NULL
, NULL
);
2206 if (!file_iformat
&& !file_oformat
) {
2207 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
2212 static int opt_default(const char *opt
, const char *arg
){
2214 const AVOption
*o
= NULL
;
2215 int opt_types
[]={AV_OPT_FLAG_VIDEO_PARAM
, AV_OPT_FLAG_AUDIO_PARAM
, 0, AV_OPT_FLAG_SUBTITLE_PARAM
, 0};
2217 for(type
=0; type
<CODEC_TYPE_NB
; type
++){
2218 const AVOption
*o2
= av_find_opt(avctx_opts
[0], opt
, NULL
, opt_types
[type
], opt_types
[type
]);
2220 o
= av_set_string2(avctx_opts
[type
], opt
, arg
, 1);
2223 o
= av_set_string2(avformat_opts
, opt
, arg
, 1);
2225 o
= av_set_string2(sws_opts
, opt
, arg
, 1);
2228 o
= av_set_string2(avctx_opts
[CODEC_TYPE_AUDIO
], opt
+1, arg
, 1);
2229 else if(opt
[0] == 'v')
2230 o
= av_set_string2(avctx_opts
[CODEC_TYPE_VIDEO
], opt
+1, arg
, 1);
2231 else if(opt
[0] == 's')
2232 o
= av_set_string2(avctx_opts
[CODEC_TYPE_SUBTITLE
], opt
+1, arg
, 1);
2237 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2239 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2240 opt_names
= av_realloc(opt_names
, sizeof(void*)*(opt_name_count
+1));
2241 opt_names
[opt_name_count
++]= o
->name
;
2243 if(avctx_opts
[0]->debug
|| avformat_opts
->debug
)
2244 av_log_set_level(AV_LOG_DEBUG
);
2248 static void opt_video_rc_override_string(const char *arg
)
2250 video_rc_override_string
= arg
;
2253 static int opt_me_threshold(const char *opt
, const char *arg
)
2255 me_threshold
= parse_number_or_die(opt
, arg
, OPT_INT64
, INT_MIN
, INT_MAX
);
2259 static int opt_verbose(const char *opt
, const char *arg
)
2261 verbose
= parse_number_or_die(opt
, arg
, OPT_INT64
, -10, 10);
2262 av_log_set_level(verbose
);
2266 static void opt_frame_rate(const char *arg
)
2268 if (av_parse_video_frame_rate(&frame_rate
, arg
) < 0) {
2269 fprintf(stderr
, "Incorrect frame rate\n");
2274 static int opt_bitrate(const char *opt
, const char *arg
)
2276 int codec_type
= opt
[0]=='a' ? CODEC_TYPE_AUDIO
: CODEC_TYPE_VIDEO
;
2278 opt_default(opt
, arg
);
2280 if (av_get_int(avctx_opts
[codec_type
], "b", NULL
) < 1000)
2281 fprintf(stderr
, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2286 static void opt_frame_crop_top(const char *arg
)
2288 frame_topBand
= atoi(arg
);
2289 if (frame_topBand
< 0) {
2290 fprintf(stderr
, "Incorrect top crop size\n");
2293 if ((frame_topBand
% 2) != 0) {
2294 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
2297 if ((frame_topBand
) >= frame_height
){
2298 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2301 frame_height
-= frame_topBand
;
2304 static void opt_frame_crop_bottom(const char *arg
)
2306 frame_bottomBand
= atoi(arg
);
2307 if (frame_bottomBand
< 0) {
2308 fprintf(stderr
, "Incorrect bottom crop size\n");
2311 if ((frame_bottomBand
% 2) != 0) {
2312 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
2315 if ((frame_bottomBand
) >= frame_height
){
2316 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2319 frame_height
-= frame_bottomBand
;
2322 static void opt_frame_crop_left(const char *arg
)
2324 frame_leftBand
= atoi(arg
);
2325 if (frame_leftBand
< 0) {
2326 fprintf(stderr
, "Incorrect left crop size\n");
2329 if ((frame_leftBand
% 2) != 0) {
2330 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
2333 if ((frame_leftBand
) >= frame_width
){
2334 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2337 frame_width
-= frame_leftBand
;
2340 static void opt_frame_crop_right(const char *arg
)
2342 frame_rightBand
= atoi(arg
);
2343 if (frame_rightBand
< 0) {
2344 fprintf(stderr
, "Incorrect right crop size\n");
2347 if ((frame_rightBand
% 2) != 0) {
2348 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
2351 if ((frame_rightBand
) >= frame_width
){
2352 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2355 frame_width
-= frame_rightBand
;
2358 static void opt_frame_size(const char *arg
)
2360 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2361 fprintf(stderr
, "Incorrect frame size\n");
2364 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2365 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2371 #define SCALEBITS 10
2372 #define ONE_HALF (1 << (SCALEBITS - 1))
2373 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2375 #define RGB_TO_Y(r, g, b) \
2376 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2377 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2379 #define RGB_TO_U(r1, g1, b1, shift)\
2380 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2381 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2383 #define RGB_TO_V(r1, g1, b1, shift)\
2384 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2385 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2387 static void opt_pad_color(const char *arg
) {
2388 /* Input is expected to be six hex digits similar to
2389 how colors are expressed in html tags (but without the #) */
2390 int rgb
= strtol(arg
, NULL
, 16);
2394 g
= ((rgb
>> 8) & 255);
2397 padcolor
[0] = RGB_TO_Y(r
,g
,b
);
2398 padcolor
[1] = RGB_TO_U(r
,g
,b
,0);
2399 padcolor
[2] = RGB_TO_V(r
,g
,b
,0);
2402 static void opt_frame_pad_top(const char *arg
)
2404 frame_padtop
= atoi(arg
);
2405 if (frame_padtop
< 0) {
2406 fprintf(stderr
, "Incorrect top pad size\n");
2409 if ((frame_padtop
% 2) != 0) {
2410 fprintf(stderr
, "Top pad size must be a multiple of 2\n");
2415 static void opt_frame_pad_bottom(const char *arg
)
2417 frame_padbottom
= atoi(arg
);
2418 if (frame_padbottom
< 0) {
2419 fprintf(stderr
, "Incorrect bottom pad size\n");
2422 if ((frame_padbottom
% 2) != 0) {
2423 fprintf(stderr
, "Bottom pad size must be a multiple of 2\n");
2429 static void opt_frame_pad_left(const char *arg
)
2431 frame_padleft
= atoi(arg
);
2432 if (frame_padleft
< 0) {
2433 fprintf(stderr
, "Incorrect left pad size\n");
2436 if ((frame_padleft
% 2) != 0) {
2437 fprintf(stderr
, "Left pad size must be a multiple of 2\n");
2443 static void opt_frame_pad_right(const char *arg
)
2445 frame_padright
= atoi(arg
);
2446 if (frame_padright
< 0) {
2447 fprintf(stderr
, "Incorrect right pad size\n");
2450 if ((frame_padright
% 2) != 0) {
2451 fprintf(stderr
, "Right pad size must be a multiple of 2\n");
2456 static void list_pix_fmts(void)
2459 char pix_fmt_str
[128];
2460 for (i
=-1; i
< PIX_FMT_NB
; i
++) {
2461 avcodec_pix_fmt_string (pix_fmt_str
, sizeof(pix_fmt_str
), i
);
2462 fprintf(stdout
, "%s\n", pix_fmt_str
);
2466 static void opt_frame_pix_fmt(const char *arg
)
2468 if (strcmp(arg
, "list"))
2469 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2476 static void opt_frame_aspect_ratio(const char *arg
)
2483 p
= strchr(arg
, ':');
2485 x
= strtol(arg
, &end
, 10);
2487 y
= strtol(end
+1, &end
, 10);
2489 ar
= (double)x
/ (double)y
;
2491 ar
= strtod(arg
, NULL
);
2494 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
2497 frame_aspect_ratio
= ar
;
2500 static void opt_qscale(const char *arg
)
2502 video_qscale
= atof(arg
);
2503 if (video_qscale
<= 0 ||
2504 video_qscale
> 255) {
2505 fprintf(stderr
, "qscale must be > 0.0 and <= 255\n");
2510 static void opt_strict(const char *arg
)
2515 static void opt_top_field_first(const char *arg
)
2517 top_field_first
= atoi(arg
);
2520 static int opt_thread_count(const char *opt
, const char *arg
)
2522 thread_count
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2523 #if !defined(HAVE_THREADS)
2525 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2530 static int opt_audio_rate(const char *opt
, const char *arg
)
2532 audio_sample_rate
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2536 static int opt_audio_channels(const char *opt
, const char *arg
)
2538 audio_channels
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2542 static void opt_video_channel(const char *arg
)
2544 video_channel
= strtol(arg
, NULL
, 0);
2547 static void opt_video_standard(const char *arg
)
2549 video_standard
= av_strdup(arg
);
2552 static void opt_codec(int *pstream_copy
, char **pcodec_name
,
2553 int codec_type
, const char *arg
)
2555 av_freep(pcodec_name
);
2556 if (!strcmp(arg
, "copy")) {
2559 *pcodec_name
= av_strdup(arg
);
2563 static void opt_audio_codec(const char *arg
)
2565 opt_codec(&audio_stream_copy
, &audio_codec_name
, CODEC_TYPE_AUDIO
, arg
);
2568 static void opt_audio_tag(const char *arg
)
2571 audio_codec_tag
= strtol(arg
, &tail
, 0);
2574 audio_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2577 static void opt_video_tag(const char *arg
)
2580 video_codec_tag
= strtol(arg
, &tail
, 0);
2583 video_codec_tag
= arg
[0] + (arg
[1]<<8) + (arg
[2]<<16) + (arg
[3]<<24);
2587 static void add_frame_hooker(const char *arg
)
2592 char *args
= av_strdup(arg
);
2596 argv
[0] = strtok(args
, " ");
2597 while (argc
< 62 && (argv
[++argc
] = strtok(NULL
, " "))) {
2600 i
= frame_hook_add(argc
, argv
);
2603 fprintf(stderr
, "Failed to add video hook function: %s\n", arg
);
2609 static void opt_video_codec(const char *arg
)
2611 opt_codec(&video_stream_copy
, &video_codec_name
, CODEC_TYPE_VIDEO
, arg
);
2614 static void opt_subtitle_codec(const char *arg
)
2616 opt_codec(&subtitle_stream_copy
, &subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, arg
);
2619 static void opt_map(const char *arg
)
2624 m
= &stream_maps
[nb_stream_maps
++];
2626 m
->file_index
= strtol(arg
, &p
, 0);
2630 m
->stream_index
= strtol(p
, &p
, 0);
2633 m
->sync_file_index
= strtol(p
, &p
, 0);
2636 m
->sync_stream_index
= strtol(p
, &p
, 0);
2638 m
->sync_file_index
= m
->file_index
;
2639 m
->sync_stream_index
= m
->stream_index
;
2643 static void opt_map_meta_data(const char *arg
)
2648 m
= &meta_data_maps
[nb_meta_data_maps
++];
2650 m
->out_file
= strtol(arg
, &p
, 0);
2654 m
->in_file
= strtol(p
, &p
, 0);
2657 static void opt_input_ts_scale(const char *arg
)
2659 unsigned int stream
;
2663 stream
= strtol(arg
, &p
, 0);
2666 scale
= strtod(p
, &p
);
2668 if(stream
>= MAX_STREAMS
)
2671 input_files_ts_scale
[nb_input_files
][stream
]= scale
;
2674 static int opt_recording_time(const char *opt
, const char *arg
)
2676 recording_time
= parse_time_or_die(opt
, arg
, 1);
2680 static int opt_start_time(const char *opt
, const char *arg
)
2682 start_time
= parse_time_or_die(opt
, arg
, 1);
2686 static int opt_rec_timestamp(const char *opt
, const char *arg
)
2688 rec_timestamp
= parse_time_or_die(opt
, arg
, 0) / 1000000;
2692 static int opt_input_ts_offset(const char *opt
, const char *arg
)
2694 input_ts_offset
= parse_time_or_die(opt
, arg
, 1);
2698 static enum CodecID
find_codec_or_die(const char *name
, int type
, int encoder
)
2700 const char *codec_string
= encoder
? "encoder" : "decoder";
2704 return CODEC_ID_NONE
;
2706 avcodec_find_encoder_by_name(name
) :
2707 avcodec_find_decoder_by_name(name
);
2709 av_log(NULL
, AV_LOG_ERROR
, "Unknown %s '%s'\n", codec_string
, name
);
2712 if(codec
->type
!= type
) {
2713 av_log(NULL
, AV_LOG_ERROR
, "Invalid %s type '%s'\n", codec_string
, name
);
2719 static void set_context_opts(void *ctx
, void *opts_ctx
, int flags
)
2722 for(i
=0; i
<opt_name_count
; i
++){
2724 const AVOption
*opt
;
2725 const char *str
= av_get_string(opts_ctx
, opt_names
[i
], &opt
, buf
, sizeof(buf
));
2726 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
2727 if(str
&& ((opt
->flags
& flags
) == flags
))
2728 av_set_string2(ctx
, opt_names
[i
], str
, 1);
2732 static void opt_input_file(const char *filename
)
2734 AVFormatContext
*ic
;
2735 AVFormatParameters params
, *ap
= ¶ms
;
2736 int err
, i
, ret
, rfps
, rfps_base
;
2739 if (!strcmp(filename
, "-"))
2742 using_stdin
|= !strncmp(filename
, "pipe:", 5) ||
2743 !strcmp(filename
, "/dev/stdin");
2745 /* get default parameters from command line */
2746 ic
= av_alloc_format_context();
2748 memset(ap
, 0, sizeof(*ap
));
2749 ap
->prealloced_context
= 1;
2750 ap
->sample_rate
= audio_sample_rate
;
2751 ap
->channels
= audio_channels
;
2752 ap
->time_base
.den
= frame_rate
.num
;
2753 ap
->time_base
.num
= frame_rate
.den
;
2754 ap
->width
= frame_width
+ frame_padleft
+ frame_padright
;
2755 ap
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2756 ap
->pix_fmt
= frame_pix_fmt
;
2757 ap
->channel
= video_channel
;
2758 ap
->standard
= video_standard
;
2759 ap
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2760 ap
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2761 if(pgmyuv_compatibility_hack
)
2762 ap
->video_codec_id
= CODEC_ID_PGMYUV
;
2764 set_context_opts(ic
, avformat_opts
, AV_OPT_FLAG_DECODING_PARAM
);
2766 ic
->video_codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 0);
2767 ic
->audio_codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 0);
2768 ic
->subtitle_codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 0);
2770 /* open the input file with generic libav function */
2771 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2773 print_error(filename
, err
);
2778 for(i
=0; i
<ic
->nb_programs
; i
++)
2779 if(ic
->programs
[i
]->id
!= opt_programid
)
2780 ic
->programs
[i
]->discard
= AVDISCARD_ALL
;
2783 ic
->loop_input
= loop_input
;
2785 /* If not enough info to get the stream parameters, we decode the
2786 first frames to get it. (used in mpeg case for example) */
2787 ret
= av_find_stream_info(ic
);
2788 if (ret
< 0 && verbose
>= 0) {
2789 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2793 timestamp
= start_time
;
2794 /* add the stream start time */
2795 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2796 timestamp
+= ic
->start_time
;
2798 /* if seeking requested, we execute it */
2799 if (start_time
!= 0) {
2800 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
2802 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2803 filename
, (double)timestamp
/ AV_TIME_BASE
);
2805 /* reset seek info */
2809 /* update the current parameters so that they match the one of the input stream */
2810 for(i
=0;i
<ic
->nb_streams
;i
++) {
2811 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2813 avcodec_thread_init(enc
, thread_count
);
2814 enc
->thread_count
= thread_count
;
2815 switch(enc
->codec_type
) {
2816 case CODEC_TYPE_AUDIO
:
2817 set_context_opts(enc
, avctx_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2818 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2819 audio_channels
= enc
->channels
;
2820 audio_sample_rate
= enc
->sample_rate
;
2822 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2824 case CODEC_TYPE_VIDEO
:
2825 set_context_opts(enc
, avctx_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_DECODING_PARAM
);
2826 frame_height
= enc
->height
;
2827 frame_width
= enc
->width
;
2828 frame_aspect_ratio
= av_q2d(enc
->sample_aspect_ratio
) * enc
->width
/ enc
->height
;
2829 frame_pix_fmt
= enc
->pix_fmt
;
2830 rfps
= ic
->streams
[i
]->r_frame_rate
.num
;
2831 rfps_base
= ic
->streams
[i
]->r_frame_rate
.den
;
2832 if(enc
->lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
2834 enc
->debug
|= FF_DEBUG_MV
;
2836 if (enc
->time_base
.den
!= rfps
|| enc
->time_base
.num
!= rfps_base
) {
2839 fprintf(stderr
,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2840 i
, (float)enc
->time_base
.den
/ enc
->time_base
.num
, enc
->time_base
.den
, enc
->time_base
.num
,
2842 (float)rfps
/ rfps_base
, rfps
, rfps_base
);
2844 /* update the current frame rate to match the stream frame rate */
2845 frame_rate
.num
= rfps
;
2846 frame_rate
.den
= rfps_base
;
2848 enc
->rate_emu
= rate_emu
;
2850 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2851 else if(video_discard
)
2852 ic
->streams
[i
]->discard
= video_discard
;
2854 case CODEC_TYPE_DATA
:
2856 case CODEC_TYPE_SUBTITLE
:
2857 if(subtitle_disable
)
2858 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2860 case CODEC_TYPE_ATTACHMENT
:
2861 case CODEC_TYPE_UNKNOWN
:
2868 input_files
[nb_input_files
] = ic
;
2869 input_files_ts_offset
[nb_input_files
] = input_ts_offset
- (copy_ts
? 0 : timestamp
);
2870 /* dump the file content */
2872 dump_format(ic
, nb_input_files
, filename
, 0);
2875 file_iformat
= NULL
;
2876 file_oformat
= NULL
;
2881 av_freep(&video_codec_name
);
2882 av_freep(&audio_codec_name
);
2883 av_freep(&subtitle_codec_name
);
2886 static void check_audio_video_sub_inputs(int *has_video_ptr
, int *has_audio_ptr
,
2887 int *has_subtitle_ptr
)
2889 int has_video
, has_audio
, has_subtitle
, i
, j
;
2890 AVFormatContext
*ic
;
2895 for(j
=0;j
<nb_input_files
;j
++) {
2896 ic
= input_files
[j
];
2897 for(i
=0;i
<ic
->nb_streams
;i
++) {
2898 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
2899 switch(enc
->codec_type
) {
2900 case CODEC_TYPE_AUDIO
:
2903 case CODEC_TYPE_VIDEO
:
2906 case CODEC_TYPE_SUBTITLE
:
2909 case CODEC_TYPE_DATA
:
2910 case CODEC_TYPE_ATTACHMENT
:
2911 case CODEC_TYPE_UNKNOWN
:
2918 *has_video_ptr
= has_video
;
2919 *has_audio_ptr
= has_audio
;
2920 *has_subtitle_ptr
= has_subtitle
;
2923 static void new_video_stream(AVFormatContext
*oc
)
2926 AVCodecContext
*video_enc
;
2929 st
= av_new_stream(oc
, oc
->nb_streams
);
2931 fprintf(stderr
, "Could not alloc stream\n");
2934 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_VIDEO
);
2935 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= video_bitstream_filters
;
2936 video_bitstream_filters
= NULL
;
2939 avcodec_thread_init(st
->codec
, thread_count
);
2941 video_enc
= st
->codec
;
2944 video_enc
->codec_tag
= video_codec_tag
;
2946 if( (video_global_header
&1)
2947 || (video_global_header
==0 && (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
))){
2948 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2949 avctx_opts
[CODEC_TYPE_VIDEO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2951 if(video_global_header
&2){
2952 video_enc
->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
2953 avctx_opts
[CODEC_TYPE_VIDEO
]->flags2
|= CODEC_FLAG2_LOCAL_HEADER
;
2956 if (video_stream_copy
) {
2957 st
->stream_copy
= 1;
2958 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
2963 AVRational fps
= frame_rate
.num
? frame_rate
: (AVRational
){25,1};
2965 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_VIDEO
);
2966 if (video_codec_name
)
2967 codec_id
= find_codec_or_die(video_codec_name
, CODEC_TYPE_VIDEO
, 1);
2969 video_enc
->codec_id
= codec_id
;
2970 codec
= avcodec_find_encoder(codec_id
);
2972 set_context_opts(video_enc
, avctx_opts
[CODEC_TYPE_VIDEO
], AV_OPT_FLAG_VIDEO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
2974 video_enc
->time_base
.den
= fps
.num
;
2975 video_enc
->time_base
.num
= fps
.den
;
2976 if(codec
&& codec
->supported_framerates
){
2977 const AVRational
*p
= codec
->supported_framerates
;
2978 const AVRational
*best
=NULL
;
2979 AVRational best_error
= (AVRational
){INT_MAX
, 1};
2980 for(; p
->den
!=0; p
++){
2981 AVRational error
= av_sub_q(fps
, *p
);
2982 if(error
.num
<0) error
.num
*= -1;
2983 if(av_cmp_q(error
, best_error
) < 0){
2988 video_enc
->time_base
.den
= best
->num
;
2989 video_enc
->time_base
.num
= best
->den
;
2992 video_enc
->width
= frame_width
+ frame_padright
+ frame_padleft
;
2993 video_enc
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2994 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*video_enc
->height
/video_enc
->width
, 255);
2995 video_enc
->pix_fmt
= frame_pix_fmt
;
2997 if(codec
&& codec
->pix_fmts
){
2998 const enum PixelFormat
*p
= codec
->pix_fmts
;
3000 if(*p
== video_enc
->pix_fmt
)
3004 video_enc
->pix_fmt
= codec
->pix_fmts
[0];
3008 video_enc
->gop_size
= 0;
3009 if (video_qscale
|| same_quality
) {
3010 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
3011 video_enc
->global_quality
=
3012 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
3016 video_enc
->intra_matrix
= intra_matrix
;
3018 video_enc
->inter_matrix
= inter_matrix
;
3020 video_enc
->thread_count
= thread_count
;
3021 p
= video_rc_override_string
;
3024 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
3026 fprintf(stderr
, "error parsing rc_override\n");
3029 video_enc
->rc_override
=
3030 av_realloc(video_enc
->rc_override
,
3031 sizeof(RcOverride
)*(i
+1));
3032 video_enc
->rc_override
[i
].start_frame
= start
;
3033 video_enc
->rc_override
[i
].end_frame
= end
;
3035 video_enc
->rc_override
[i
].qscale
= q
;
3036 video_enc
->rc_override
[i
].quality_factor
= 1.0;
3039 video_enc
->rc_override
[i
].qscale
= 0;
3040 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
3045 video_enc
->rc_override_count
=i
;
3046 if (!video_enc
->rc_initial_buffer_occupancy
)
3047 video_enc
->rc_initial_buffer_occupancy
= video_enc
->rc_buffer_size
*3/4;
3048 video_enc
->me_threshold
= me_threshold
;
3049 video_enc
->intra_dc_precision
= intra_dc_precision
- 8;
3050 video_enc
->strict_std_compliance
= strict
;
3053 video_enc
->flags
|= CODEC_FLAG_PSNR
;
3058 video_enc
->flags
|= CODEC_FLAG_PASS1
;
3060 video_enc
->flags
|= CODEC_FLAG_PASS2
;
3065 /* reset some key parameters */
3067 av_freep(&video_codec_name
);
3068 video_stream_copy
= 0;
3071 static void new_audio_stream(AVFormatContext
*oc
)
3074 AVCodecContext
*audio_enc
;
3077 st
= av_new_stream(oc
, oc
->nb_streams
);
3079 fprintf(stderr
, "Could not alloc stream\n");
3082 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_AUDIO
);
3084 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= audio_bitstream_filters
;
3085 audio_bitstream_filters
= NULL
;
3088 avcodec_thread_init(st
->codec
, thread_count
);
3090 audio_enc
= st
->codec
;
3091 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
3092 audio_enc
->strict_std_compliance
= strict
;
3095 audio_enc
->codec_tag
= audio_codec_tag
;
3097 if (oc
->oformat
->flags
& AVFMT_GLOBALHEADER
) {
3098 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3099 avctx_opts
[CODEC_TYPE_AUDIO
]->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3101 if (audio_stream_copy
) {
3102 st
->stream_copy
= 1;
3103 audio_enc
->channels
= audio_channels
;
3105 codec_id
= av_guess_codec(oc
->oformat
, NULL
, oc
->filename
, NULL
, CODEC_TYPE_AUDIO
);
3107 set_context_opts(audio_enc
, avctx_opts
[CODEC_TYPE_AUDIO
], AV_OPT_FLAG_AUDIO_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3109 if (audio_codec_name
)
3110 codec_id
= find_codec_or_die(audio_codec_name
, CODEC_TYPE_AUDIO
, 1);
3111 audio_enc
->codec_id
= codec_id
;
3113 if (audio_qscale
> QSCALE_NONE
) {
3114 audio_enc
->flags
|= CODEC_FLAG_QSCALE
;
3115 audio_enc
->global_quality
= st
->quality
= FF_QP2LAMBDA
* audio_qscale
;
3117 audio_enc
->thread_count
= thread_count
;
3118 audio_enc
->channels
= audio_channels
;
3120 audio_enc
->sample_rate
= audio_sample_rate
;
3121 audio_enc
->time_base
= (AVRational
){1, audio_sample_rate
};
3122 if (audio_language
) {
3123 av_strlcpy(st
->language
, audio_language
, sizeof(st
->language
));
3124 av_free(audio_language
);
3125 audio_language
= NULL
;
3128 /* reset some key parameters */
3130 av_freep(&audio_codec_name
);
3131 audio_stream_copy
= 0;
3134 static void new_subtitle_stream(AVFormatContext
*oc
)
3137 AVCodecContext
*subtitle_enc
;
3139 st
= av_new_stream(oc
, oc
->nb_streams
);
3141 fprintf(stderr
, "Could not alloc stream\n");
3144 avcodec_get_context_defaults2(st
->codec
, CODEC_TYPE_SUBTITLE
);
3146 bitstream_filters
[nb_output_files
][oc
->nb_streams
- 1]= subtitle_bitstream_filters
;
3147 subtitle_bitstream_filters
= NULL
;
3149 subtitle_enc
= st
->codec
;
3150 subtitle_enc
->codec_type
= CODEC_TYPE_SUBTITLE
;
3151 if (subtitle_stream_copy
) {
3152 st
->stream_copy
= 1;
3154 set_context_opts(avctx_opts
[CODEC_TYPE_SUBTITLE
], subtitle_enc
, AV_OPT_FLAG_SUBTITLE_PARAM
| AV_OPT_FLAG_ENCODING_PARAM
);
3155 subtitle_enc
->codec_id
= find_codec_or_die(subtitle_codec_name
, CODEC_TYPE_SUBTITLE
, 1);
3158 if (subtitle_language
) {
3159 av_strlcpy(st
->language
, subtitle_language
, sizeof(st
->language
));
3160 av_free(subtitle_language
);
3161 subtitle_language
= NULL
;
3164 subtitle_disable
= 0;
3165 av_freep(&subtitle_codec_name
);
3166 subtitle_stream_copy
= 0;
3169 static void opt_new_audio_stream(void)
3171 AVFormatContext
*oc
;
3172 if (nb_output_files
<= 0) {
3173 fprintf(stderr
, "At least one output file must be specified\n");
3176 oc
= output_files
[nb_output_files
- 1];
3177 new_audio_stream(oc
);
3180 static void opt_new_video_stream(void)
3182 AVFormatContext
*oc
;
3183 if (nb_output_files
<= 0) {
3184 fprintf(stderr
, "At least one output file must be specified\n");
3187 oc
= output_files
[nb_output_files
- 1];
3188 new_video_stream(oc
);
3191 static void opt_new_subtitle_stream(void)
3193 AVFormatContext
*oc
;
3194 if (nb_output_files
<= 0) {
3195 fprintf(stderr
, "At least one output file must be specified\n");
3198 oc
= output_files
[nb_output_files
- 1];
3199 new_subtitle_stream(oc
);
3202 static void opt_output_file(const char *filename
)
3204 AVFormatContext
*oc
;
3205 int use_video
, use_audio
, use_subtitle
;
3206 int input_has_video
, input_has_audio
, input_has_subtitle
;
3207 AVFormatParameters params
, *ap
= ¶ms
;
3209 if (!strcmp(filename
, "-"))
3212 oc
= av_alloc_format_context();
3214 if (!file_oformat
) {
3215 file_oformat
= guess_format(NULL
, filename
, NULL
);
3216 if (!file_oformat
) {
3217 fprintf(stderr
, "Unable to find a suitable output format for '%s'\n",
3223 oc
->oformat
= file_oformat
;
3224 av_strlcpy(oc
->filename
, filename
, sizeof(oc
->filename
));
3226 if (!strcmp(file_oformat
->name
, "ffm") &&
3227 av_strstart(filename
, "http:", NULL
)) {
3228 /* special case for files sent to ffserver: we get the stream
3229 parameters from ffserver */
3230 int err
= read_ffserver_streams(oc
, filename
);
3232 print_error(filename
, err
);
3236 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
|| video_stream_copy
|| video_codec_name
;
3237 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
|| audio_stream_copy
|| audio_codec_name
;
3238 use_subtitle
= file_oformat
->subtitle_codec
!= CODEC_ID_NONE
|| subtitle_stream_copy
|| subtitle_codec_name
;
3240 /* disable if no corresponding type found and at least one
3242 if (nb_input_files
> 0) {
3243 check_audio_video_sub_inputs(&input_has_video
, &input_has_audio
,
3244 &input_has_subtitle
);
3245 if (!input_has_video
)
3247 if (!input_has_audio
)
3249 if (!input_has_subtitle
)
3253 /* manual disable */
3254 if (audio_disable
) {
3257 if (video_disable
) {
3260 if (subtitle_disable
) {
3265 new_video_stream(oc
);
3269 new_audio_stream(oc
);
3273 new_subtitle_stream(oc
);
3276 oc
->timestamp
= rec_timestamp
;
3279 av_strlcpy(oc
->title
, str_title
, sizeof(oc
->title
));
3281 av_strlcpy(oc
->author
, str_author
, sizeof(oc
->author
));
3283 av_strlcpy(oc
->copyright
, str_copyright
, sizeof(oc
->copyright
));
3285 av_strlcpy(oc
->comment
, str_comment
, sizeof(oc
->comment
));
3287 av_strlcpy(oc
->album
, str_album
, sizeof(oc
->album
));
3289 av_strlcpy(oc
->genre
, str_genre
, sizeof(oc
->genre
));
3292 output_files
[nb_output_files
++] = oc
;
3294 /* check filename in case of an image number is expected */
3295 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
3296 if (!av_filename_number_test(oc
->filename
)) {
3297 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
3302 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
3303 /* test if it already exists to avoid loosing precious files */
3304 if (!file_overwrite
&&
3305 (strchr(filename
, ':') == NULL
||
3306 filename
[1] == ':' ||
3307 av_strstart(filename
, "file:", NULL
))) {
3308 if (url_exist(filename
)) {
3312 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
3315 if (toupper(c
) != 'Y') {
3316 fprintf(stderr
, "Not overwriting - exiting\n");
3321 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
3328 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
3329 fprintf(stderr
, "Could not open '%s'\n", filename
);
3334 memset(ap
, 0, sizeof(*ap
));
3335 if (av_set_parameters(oc
, ap
) < 0) {
3336 fprintf(stderr
, "%s: Invalid encoding parameters\n",
3341 oc
->preload
= (int)(mux_preload
*AV_TIME_BASE
);
3342 oc
->max_delay
= (int)(mux_max_delay
*AV_TIME_BASE
);
3343 oc
->loop_output
= loop_output
;
3345 set_context_opts(oc
, avformat_opts
, AV_OPT_FLAG_ENCODING_PARAM
);
3347 /* reset some options */
3348 file_oformat
= NULL
;
3349 file_iformat
= NULL
;
3352 /* same option as mencoder */
3353 static void opt_pass(const char *pass_str
)
3356 pass
= atoi(pass_str
);
3357 if (pass
!= 1 && pass
!= 2) {
3358 fprintf(stderr
, "pass number can be only 1 or 2\n");
3364 static int64_t getutime(void)
3366 #ifdef HAVE_GETRUSAGE
3367 struct rusage rusage
;
3369 getrusage(RUSAGE_SELF
, &rusage
);
3370 return (rusage
.ru_utime
.tv_sec
* 1000000LL) + rusage
.ru_utime
.tv_usec
;
3371 #elif defined(HAVE_GETPROCESSTIMES)
3373 FILETIME c
, e
, k
, u
;
3374 proc
= GetCurrentProcess();
3375 GetProcessTimes(proc
, &c
, &e
, &k
, &u
);
3376 return ((int64_t) u
.dwHighDateTime
<< 32 | u
.dwLowDateTime
) / 10;
3378 return av_gettime();
3382 static void parse_matrix_coeffs(uint16_t *dest
, const char *str
)
3385 const char *p
= str
;
3392 fprintf(stderr
, "Syntax error in matrix \"%s\" at coeff %d\n", str
, i
);
3399 static void opt_inter_matrix(const char *arg
)
3401 inter_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3402 parse_matrix_coeffs(inter_matrix
, arg
);
3405 static void opt_intra_matrix(const char *arg
)
3407 intra_matrix
= av_mallocz(sizeof(uint16_t) * 64);
3408 parse_matrix_coeffs(intra_matrix
, arg
);
3412 * Trivial log callback.
3413 * Only suitable for show_help and similar since it lacks prefix handling.
3415 static void log_callback_help(void* ptr
, int level
, const char* fmt
, va_list vl
)
3417 vfprintf(stdout
, fmt
, vl
);
3420 static void show_help(void)
3422 av_log_set_callback(log_callback_help
);
3423 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3424 "Hyper fast Audio and Video encoder\n");
3426 show_help_options(options
, "Main options:\n",
3427 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
, 0);
3428 show_help_options(options
, "\nAdvanced options:\n",
3429 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_SUBTITLE
| OPT_GRAB
,
3431 show_help_options(options
, "\nVideo options:\n",
3432 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3434 show_help_options(options
, "\nAdvanced Video options:\n",
3435 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3436 OPT_VIDEO
| OPT_EXPERT
);
3437 show_help_options(options
, "\nAudio options:\n",
3438 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3440 show_help_options(options
, "\nAdvanced Audio options:\n",
3441 OPT_EXPERT
| OPT_AUDIO
| OPT_VIDEO
| OPT_GRAB
,
3442 OPT_AUDIO
| OPT_EXPERT
);
3443 show_help_options(options
, "\nSubtitle options:\n",
3444 OPT_SUBTITLE
| OPT_GRAB
,
3446 show_help_options(options
, "\nAudio/Video grab options:\n",
3450 av_opt_show(avctx_opts
[0], NULL
);
3452 av_opt_show(avformat_opts
, NULL
);
3454 av_opt_show(sws_opts
, NULL
);
3457 static void opt_target(const char *arg
)
3460 static const char *const frame_rates
[] = {"25", "30000/1001", "24000/1001"};
3462 if(!strncmp(arg
, "pal-", 4)) {
3465 } else if(!strncmp(arg
, "ntsc-", 5)) {
3468 } else if(!strncmp(arg
, "film-", 5)) {
3473 /* Calculate FR via float to avoid int overflow */
3474 fr
= (int)(frame_rate
.num
* 1000.0 / frame_rate
.den
);
3477 } else if((fr
== 29970) || (fr
== 23976)) {
3480 /* Try to determine PAL/NTSC by peeking in the input files */
3481 if(nb_input_files
) {
3483 for(j
= 0; j
< nb_input_files
; j
++) {
3484 for(i
= 0; i
< input_files
[j
]->nb_streams
; i
++) {
3485 AVCodecContext
*c
= input_files
[j
]->streams
[i
]->codec
;
3486 if(c
->codec_type
!= CODEC_TYPE_VIDEO
)
3488 fr
= c
->time_base
.den
* 1000 / c
->time_base
.num
;
3492 } else if((fr
== 29970) || (fr
== 23976)) {
3502 if(verbose
&& norm
>= 0)
3503 fprintf(stderr
, "Assuming %s for target.\n", norm
? "NTSC" : "PAL");
3507 fprintf(stderr
, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3508 fprintf(stderr
, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3509 fprintf(stderr
, "or set a framerate with \"-r xxx\".\n");
3513 if(!strcmp(arg
, "vcd")) {
3515 opt_video_codec("mpeg1video");
3516 opt_audio_codec("mp2");
3519 opt_frame_size(norm
? "352x240" : "352x288");
3520 opt_frame_rate(frame_rates
[norm
]);
3521 opt_default("gop", norm
? "18" : "15");
3523 opt_default("b", "1150000");
3524 opt_default("maxrate", "1150000");
3525 opt_default("minrate", "1150000");
3526 opt_default("bufsize", "327680"); // 40*1024*8;
3528 opt_default("ab", "224000");
3529 audio_sample_rate
= 44100;
3532 opt_default("packetsize", "2324");
3533 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3535 /* We have to offset the PTS, so that it is consistent with the SCR.
3536 SCR starts at 36000, but the first two packs contain only padding
3537 and the first pack from the other stream, respectively, may also have
3538 been written before.
3539 So the real data starts at SCR 36000+3*1200. */
3540 mux_preload
= (36000+3*1200) / 90000.0; //0.44
3541 } else if(!strcmp(arg
, "svcd")) {
3543 opt_video_codec("mpeg2video");
3544 opt_audio_codec("mp2");
3547 opt_frame_size(norm
? "480x480" : "480x576");
3548 opt_frame_rate(frame_rates
[norm
]);
3549 opt_default("gop", norm
? "18" : "15");
3551 opt_default("b", "2040000");
3552 opt_default("maxrate", "2516000");
3553 opt_default("minrate", "0"); //1145000;
3554 opt_default("bufsize", "1835008"); //224*1024*8;
3555 opt_default("flags", "+SCAN_OFFSET");
3558 opt_default("ab", "224000");
3559 audio_sample_rate
= 44100;
3561 opt_default("packetsize", "2324");
3563 } else if(!strcmp(arg
, "dvd")) {
3565 opt_video_codec("mpeg2video");
3566 opt_audio_codec("ac3");
3569 opt_frame_size(norm
? "720x480" : "720x576");
3570 opt_frame_rate(frame_rates
[norm
]);
3571 opt_default("gop", norm
? "18" : "15");
3573 opt_default("b", "6000000");
3574 opt_default("maxrate", "9000000");
3575 opt_default("minrate", "0"); //1500000;
3576 opt_default("bufsize", "1835008"); //224*1024*8;
3578 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3579 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3581 opt_default("ab", "448000");
3582 audio_sample_rate
= 48000;
3584 } else if(!strncmp(arg
, "dv", 2)) {
3588 opt_frame_size(norm
? "720x480" : "720x576");
3589 opt_frame_pix_fmt(!strncmp(arg
, "dv50", 4) ? "yuv422p" :
3590 (norm
? "yuv411p" : "yuv420p"));
3591 opt_frame_rate(frame_rates
[norm
]);
3593 audio_sample_rate
= 48000;
3597 fprintf(stderr
, "Unknown target: %s\n", arg
);
3602 static void opt_vstats_file (const char *arg
)
3604 av_free (vstats_filename
);
3605 vstats_filename
=av_strdup (arg
);
3608 static void opt_vstats (void)
3611 time_t today2
= time(NULL
);
3612 struct tm
*today
= localtime(&today2
);
3614 snprintf(filename
, sizeof(filename
), "vstats_%02d%02d%02d.log", today
->tm_hour
, today
->tm_min
,
3616 opt_vstats_file(filename
);
3619 static int opt_bsf(const char *opt
, const char *arg
)
3621 AVBitStreamFilterContext
*bsfc
= av_bitstream_filter_init(arg
); //FIXME split name and args for filter at '='
3622 AVBitStreamFilterContext
**bsfp
;
3625 fprintf(stderr
, "Unknown bitstream filter %s\n", arg
);
3629 bsfp
= *opt
== 'v' ? &video_bitstream_filters
:
3630 *opt
== 'a' ? &audio_bitstream_filters
:
3631 &subtitle_bitstream_filters
;
3633 bsfp
= &(*bsfp
)->next
;
3640 static int opt_preset(const char *opt
, const char *arg
)
3643 char tmp
[1000], tmp2
[1000];
3645 const char *base
[3]= { getenv("HOME"),
3650 for(i
=!base
[0]; i
<3 && !f
; i
++){
3651 snprintf(tmp
, sizeof(tmp
), "%s/%sffmpeg/%s.ffpreset", base
[i
], i
? "" : ".", arg
);
3654 char *codec_name
= *opt
== 'v' ? video_codec_name
:
3655 *opt
== 'a' ? audio_codec_name
:
3656 subtitle_codec_name
;
3657 snprintf(tmp
, sizeof(tmp
), "%s/%sffmpeg/%s-%s.ffpreset", base
[i
], i
? "" : ".", codec_name
, arg
);
3663 fprintf(stderr
, "Preset file not found\n");
3668 int e
= fscanf(f
, "%999[^=]=%999[^\n]\n", tmp
, tmp2
);
3670 fprintf(stderr
, "Preset file invalid\n");
3673 if(!strcmp(tmp
, "acodec")){
3674 opt_audio_codec(tmp2
);
3675 }else if(!strcmp(tmp
, "vcodec")){
3676 opt_video_codec(tmp2
);
3677 }else if(!strcmp(tmp
, "scodec")){
3678 opt_subtitle_codec(tmp2
);
3680 opt_default(tmp
, tmp2
);
3688 static const OptionDef options
[] = {
3690 { "L", OPT_EXIT
, {(void*)show_license
}, "show license" },
3691 { "h", OPT_EXIT
, {(void*)show_help
}, "show help" },
3692 { "version", OPT_EXIT
, {(void*)show_version
}, "show version" },
3693 { "formats", OPT_EXIT
, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
3694 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3695 { "i", HAS_ARG
, {(void*)opt_input_file
}, "input file name", "filename" },
3696 { "y", OPT_BOOL
, {(void*)&file_overwrite
}, "overwrite output files" },
3697 { "map", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map
}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3698 { "map_meta_data", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map_meta_data
}, "set meta data information of outfile from infile", "outfile:infile" },
3699 { "t", OPT_FUNC2
| HAS_ARG
, {(void*)opt_recording_time
}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3700 { "fs", HAS_ARG
| OPT_INT64
, {(void*)&limit_filesize
}, "set the limit file size in bytes", "limit_size" }, //
3701 { "ss", OPT_FUNC2
| HAS_ARG
, {(void*)opt_start_time
}, "set the start time offset", "time_off" },
3702 { "itsoffset", OPT_FUNC2
| HAS_ARG
, {(void*)opt_input_ts_offset
}, "set the input ts offset", "time_off" },
3703 { "itsscale", HAS_ARG
, {(void*)opt_input_ts_scale
}, "set the input ts scale", "stream:scale" },
3704 { "title", HAS_ARG
| OPT_STRING
, {(void*)&str_title
}, "set the title", "string" },
3705 { "timestamp", OPT_FUNC2
| HAS_ARG
, {(void*)&opt_rec_timestamp
}, "set the timestamp", "time" },
3706 { "author", HAS_ARG
| OPT_STRING
, {(void*)&str_author
}, "set the author", "string" },
3707 { "copyright", HAS_ARG
| OPT_STRING
, {(void*)&str_copyright
}, "set the copyright", "string" },
3708 { "comment", HAS_ARG
| OPT_STRING
, {(void*)&str_comment
}, "set the comment", "string" },
3709 { "genre", HAS_ARG
| OPT_STRING
, {(void*)&str_genre
}, "set the genre", "string" },
3710 { "album", HAS_ARG
| OPT_STRING
, {(void*)&str_album
}, "set the album", "string" },
3711 { "dframes", OPT_INT
| HAS_ARG
, {(void*)&max_frames
[CODEC_TYPE_DATA
]}, "set the number of data frames to record", "number" },
3712 { "benchmark", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_benchmark
},
3713 "add timings for benchmarking" },
3714 { "dump", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_pkt_dump
},
3715 "dump each input packet" },
3716 { "hex", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_hex_dump
},
3717 "when dumping packets, also dump the payload" },
3718 { "re", OPT_BOOL
| OPT_EXPERT
, {(void*)&rate_emu
}, "read input at native frame rate", "" },
3719 { "loop_input", OPT_BOOL
| OPT_EXPERT
, {(void*)&loop_input
}, "loop (current only works with images)" },
3720 { "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)", "" },
3721 { "v", HAS_ARG
| OPT_FUNC2
, {(void*)opt_verbose
}, "set the logging verbosity level", "number" },
3722 { "target", HAS_ARG
, {(void*)opt_target
}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3723 { "threads", OPT_FUNC2
| HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3724 { "vsync", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_sync_method
}, "video sync method", "" },
3725 { "async", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&audio_sync_method
}, "audio sync method", "" },
3726 { "adrift_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&audio_drift_threshold
}, "audio drift threshold", "threshold" },
3727 { "vglobal", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&video_global_header
}, "video global header storage type", "" },
3728 { "copyts", OPT_BOOL
| OPT_EXPERT
, {(void*)©_ts
}, "copy timestamps" },
3729 { "shortest", OPT_BOOL
| OPT_EXPERT
, {(void*)&opt_shortest
}, "finish encoding within shortest input" }, //
3730 { "dts_delta_threshold", HAS_ARG
| OPT_FLOAT
| OPT_EXPERT
, {(void*)&dts_delta_threshold
}, "timestamp discontinuity delta threshold", "threshold" },
3731 { "programid", HAS_ARG
| OPT_INT
| OPT_EXPERT
, {(void*)&opt_programid
}, "desired program number", "" },
3734 { "b", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3735 { "vb", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3736 { "vframes", OPT_INT
| HAS_ARG
| OPT_VIDEO
, {(void*)&max_frames
[CODEC_TYPE_VIDEO
]}, "set the number of video frames to record", "number" },
3737 { "r", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_rate
}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3738 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3739 { "aspect", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_aspect_ratio
}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3740 { "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" },
3741 { "croptop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_top
}, "set top crop band size (in pixels)", "size" },
3742 { "cropbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_bottom
}, "set bottom crop band size (in pixels)", "size" },
3743 { "cropleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_left
}, "set left crop band size (in pixels)", "size" },
3744 { "cropright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_right
}, "set right crop band size (in pixels)", "size" },
3745 { "padtop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_top
}, "set top pad band size (in pixels)", "size" },
3746 { "padbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_bottom
}, "set bottom pad band size (in pixels)", "size" },
3747 { "padleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_left
}, "set left pad band size (in pixels)", "size" },
3748 { "padright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_pad_right
}, "set right pad band size (in pixels)", "size" },
3749 { "padcolor", HAS_ARG
| OPT_VIDEO
, {(void*)opt_pad_color
}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3750 { "intra", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_only
}, "use only intra frames"},
3751 { "vn", OPT_BOOL
| OPT_VIDEO
, {(void*)&video_disable
}, "disable video" },
3752 { "vdt", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&video_discard
}, "discard threshold", "n" },
3753 { "qscale", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qscale
}, "use fixed video quantizer scale (VBR)", "q" },
3754 { "rc_override", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_override_string
}, "rate control override for specific intervals", "override" },
3755 { "vcodec", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_codec
}, "force video codec ('copy' to copy stream)", "codec" },
3756 { "me_threshold", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_me_threshold
}, "motion estimaton threshold", "threshold" },
3757 { "strict", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_strict
}, "how strictly to follow the standards", "strictness" },
3758 { "sameq", OPT_BOOL
| OPT_VIDEO
, {(void*)&same_quality
},
3759 "use same video quality as source (implies VBR)" },
3760 { "pass", HAS_ARG
| OPT_VIDEO
, {(void*)&opt_pass
}, "select the pass number (1 or 2)", "n" },
3761 { "passlogfile", HAS_ARG
| OPT_STRING
| OPT_VIDEO
, {(void*)&pass_logfilename
}, "select two pass log file name", "file" },
3762 { "deinterlace", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_deinterlace
},
3763 "deinterlace pictures" },
3764 { "psnr", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_psnr
}, "calculate PSNR of compressed frames" },
3765 { "vstats", OPT_EXPERT
| OPT_VIDEO
, {(void*)&opt_vstats
}, "dump video coding statistics to file" },
3766 { "vstats_file", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_vstats_file
}, "dump video coding statistics to file", "file" },
3768 { "vhook", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)add_frame_hooker
}, "insert video processing module", "module" },
3770 { "intra_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_intra_matrix
}, "specify intra matrix coeffs", "matrix" },
3771 { "inter_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_inter_matrix
}, "specify inter matrix coeffs", "matrix" },
3772 { "top", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_top_field_first
}, "top=1/bottom=0/auto=-1 field first", "" },
3773 { "dc", OPT_INT
| HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_dc_precision
}, "intra_dc_precision", "precision" },
3774 { "vtag", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_tag
}, "force video tag/fourcc", "fourcc/tag" },
3775 { "newvideo", OPT_VIDEO
, {(void*)opt_new_video_stream
}, "add a new video stream to the current output stream" },
3776 { "qphist", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, { (void *)&qp_hist
}, "show QP histogram" },
3779 { "ab", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
, {(void*)opt_bitrate
}, "set bitrate (in bits/s)", "bitrate" },
3780 { "aframes", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&max_frames
[CODEC_TYPE_AUDIO
]}, "set the number of audio frames to record", "number" },
3781 { "aq", OPT_FLOAT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_qscale
}, "set audio quality (codec-specific)", "quality", },
3782 { "ar", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_rate
}, "set audio sampling rate (in Hz)", "rate" },
3783 { "ac", HAS_ARG
| OPT_FUNC2
| OPT_AUDIO
, {(void*)opt_audio_channels
}, "set number of audio channels", "channels" },
3784 { "an", OPT_BOOL
| OPT_AUDIO
, {(void*)&audio_disable
}, "disable audio" },
3785 { "acodec", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_codec
}, "force audio codec ('copy' to copy stream)", "codec" },
3786 { "atag", HAS_ARG
| OPT_EXPERT
| OPT_AUDIO
, {(void*)opt_audio_tag
}, "force audio tag/fourcc", "fourcc/tag" },
3787 { "vol", OPT_INT
| HAS_ARG
| OPT_AUDIO
, {(void*)&audio_volume
}, "change audio volume (256=normal)" , "volume" }, //
3788 { "newaudio", OPT_AUDIO
, {(void*)opt_new_audio_stream
}, "add a new audio stream to the current output stream" },
3789 { "alang", HAS_ARG
| OPT_STRING
| OPT_AUDIO
, {(void *)&audio_language
}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3791 /* subtitle options */
3792 { "sn", OPT_BOOL
| OPT_SUBTITLE
, {(void*)&subtitle_disable
}, "disable subtitle" },
3793 { "scodec", HAS_ARG
| OPT_SUBTITLE
, {(void*)opt_subtitle_codec
}, "force subtitle codec ('copy' to copy stream)", "codec" },
3794 { "newsubtitle", OPT_SUBTITLE
, {(void*)opt_new_subtitle_stream
}, "add a new subtitle stream to the current output stream" },
3795 { "slang", HAS_ARG
| OPT_STRING
| OPT_SUBTITLE
, {(void *)&subtitle_language
}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3798 { "vc", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_channel
}, "set video grab channel (DV1394 only)", "channel" },
3799 { "tvstd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_standard
}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3800 { "isync", OPT_BOOL
| OPT_EXPERT
| OPT_GRAB
, {(void*)&input_sync
}, "sync read on input", "" },
3803 { "muxdelay", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_max_delay
}, "set the maximum demux-decode delay", "seconds" },
3804 { "muxpreload", OPT_FLOAT
| HAS_ARG
| OPT_EXPERT
, {(void*)&mux_preload
}, "set the initial demux-decode delay", "seconds" },
3806 { "absf", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3807 { "vbsf", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3808 { "sbsf", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_bsf
}, "", "bitstream_filter" },
3810 { "apre", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)opt_preset
}, "", "preset" },
3811 { "vpre", OPT_FUNC2
| HAS_ARG
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_preset
}, "", "preset" },
3812 { "spre", OPT_FUNC2
| HAS_ARG
| OPT_SUBTITLE
| OPT_EXPERT
, {(void*)opt_preset
}, "", "preset" },
3814 { "default", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_default
}, "generic catch all option", "" },
3818 int main(int argc
, char **argv
)
3823 avcodec_register_all();
3824 avdevice_register_all();
3827 if(isatty(STDIN_FILENO
))
3828 url_set_interrupt_cb(decode_interrupt_cb
);
3830 for(i
=0; i
<CODEC_TYPE_NB
; i
++){
3831 avctx_opts
[i
]= avcodec_alloc_context2(i
);
3833 avformat_opts
= av_alloc_format_context();
3834 sws_opts
= sws_getContext(16,16,0, 16,16,0, sws_flags
, NULL
,NULL
,NULL
);
3843 parse_options(argc
, argv
, options
, opt_output_file
);
3845 /* file converter / grab */
3846 if (nb_output_files
<= 0) {
3847 fprintf(stderr
, "Must supply at least one output file\n");
3851 if (nb_input_files
== 0) {
3852 fprintf(stderr
, "Must supply at least one input file\n");
3857 av_encode(output_files
, nb_output_files
, input_files
, nb_input_files
,
3858 stream_maps
, nb_stream_maps
);
3859 ti
= getutime() - ti
;
3861 printf("bench: utime=%0.3fs\n", ti
/ 1000000.0);