3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
21 #include "framehook.h"
26 #include <sys/ioctl.h>
29 #include <sys/resource.h>
33 #include <sys/types.h>
34 #include <sys/select.h>
41 #if !defined(INFINITY) && defined(HUGE_VAL)
42 #define INFINITY HUGE_VAL
45 /* select an input stream for an output stream */
46 typedef struct AVStreamMap
{
51 extern const OptionDef options
[];
53 static void show_help(void);
54 static void show_license(void);
58 static AVFormatContext
*input_files
[MAX_FILES
];
59 static int nb_input_files
= 0;
61 static AVFormatContext
*output_files
[MAX_FILES
];
62 static int nb_output_files
= 0;
64 static AVStreamMap stream_maps
[MAX_FILES
];
65 static int nb_stream_maps
;
67 static AVInputFormat
*file_iformat
;
68 static AVOutputFormat
*file_oformat
;
69 static AVImageFormat
*image_format
;
70 static int frame_width
= 160;
71 static int frame_height
= 128;
72 static float frame_aspect_ratio
= 0;
73 static enum PixelFormat frame_pix_fmt
= PIX_FMT_YUV420P
;
74 static int frame_topBand
= 0;
75 static int frame_bottomBand
= 0;
76 static int frame_leftBand
= 0;
77 static int frame_rightBand
= 0;
78 static int frame_rate
= 25;
79 static int frame_rate_base
= 1;
80 static int video_bit_rate
= 200*1000;
81 static int video_bit_rate_tolerance
= 4000*1000;
82 static float video_qscale
= 0;
83 static int video_qmin
= 2;
84 static int video_qmax
= 31;
85 static int video_mb_qmin
= 2;
86 static int video_mb_qmax
= 31;
87 static int video_qdiff
= 3;
88 static float video_qblur
= 0.5;
89 static float video_qcomp
= 0.5;
90 static uint16_t *intra_matrix
= NULL
;
91 static uint16_t *inter_matrix
= NULL
;
92 #if 0 //experimental, (can be removed)
93 static float video_rc_qsquish
=1.0;
94 static float video_rc_qmod_amp
=0;
95 static int video_rc_qmod_freq
=0;
97 static char *video_rc_override_string
=NULL
;
98 static char *video_rc_eq
="tex^qComp";
99 static int video_rc_buffer_size
=0;
100 static float video_rc_buffer_aggressivity
=1.0;
101 static int video_rc_max_rate
=0;
102 static int video_rc_min_rate
=0;
103 static float video_rc_initial_cplx
=0;
104 static float video_b_qfactor
= 1.25;
105 static float video_b_qoffset
= 1.25;
106 static float video_i_qfactor
= -0.8;
107 static float video_i_qoffset
= 0.0;
108 static int video_intra_quant_bias
= FF_DEFAULT_QUANT_BIAS
;
109 static int video_inter_quant_bias
= FF_DEFAULT_QUANT_BIAS
;
110 static int me_method
= ME_EPZS
;
111 static int video_disable
= 0;
112 static int video_codec_id
= CODEC_ID_NONE
;
113 static int same_quality
= 0;
114 static int b_frames
= 0;
115 static int mb_decision
= FF_MB_DECISION_SIMPLE
;
116 static int ildct_cmp
= FF_CMP_VSAD
;
117 static int mb_cmp
= FF_CMP_SAD
;
118 static int sub_cmp
= FF_CMP_SAD
;
119 static int cmp
= FF_CMP_SAD
;
120 static int pre_cmp
= FF_CMP_SAD
;
121 static int pre_me
= 0;
122 static float lumi_mask
= 0;
123 static float dark_mask
= 0;
124 static float scplx_mask
= 0;
125 static float tcplx_mask
= 0;
126 static float p_mask
= 0;
127 static int use_4mv
= 0;
128 static int use_obmc
= 0;
129 static int use_aic
= 0;
130 static int use_aiv
= 0;
131 static int use_umv
= 0;
132 static int use_alt_scan
= 0;
133 static int use_trell
= 0;
134 static int use_scan_offset
= 0;
136 static int closed_gop
= 0;
137 static int do_deinterlace
= 0;
138 static int do_interlace_dct
= 0;
139 static int do_interlace_me
= 0;
140 static int workaround_bugs
= FF_BUG_AUTODETECT
;
141 static int error_resilience
= 2;
142 static int error_concealment
= 3;
143 static int dct_algo
= 0;
144 static int idct_algo
= 0;
145 static int use_part
= 0;
146 static int packet_size
= 0;
147 static int error_rate
= 0;
148 static int strict
= 0;
149 static int top_field_first
= -1;
150 static int noise_reduction
= 0;
151 static int sc_threshold
= 0;
152 static int debug
= 0;
153 static int debug_mv
= 0;
154 extern int loop_input
; /* currently a hack */
156 static int gop_size
= 12;
157 static int intra_only
= 0;
158 static int audio_sample_rate
= 44100;
159 static int audio_bit_rate
= 64000;
160 static int audio_disable
= 0;
161 static int audio_channels
= 1;
162 static int audio_codec_id
= CODEC_ID_NONE
;
164 static int64_t recording_time
= 0;
165 static int64_t start_time
= 0;
166 static int file_overwrite
= 0;
167 static char *str_title
= NULL
;
168 static char *str_author
= NULL
;
169 static char *str_copyright
= NULL
;
170 static char *str_comment
= NULL
;
171 static int do_benchmark
= 0;
172 static int do_hex_dump
= 0;
173 static int do_pkt_dump
= 0;
174 static int do_psnr
= 0;
175 static int do_vstats
= 0;
176 static int do_pass
= 0;
177 static int bitexact
= 0;
178 static char *pass_logfilename
= NULL
;
179 static int audio_stream_copy
= 0;
180 static int video_stream_copy
= 0;
182 static int rate_emu
= 0;
184 static char *video_grab_format
= "video4linux";
185 static char *video_device
= NULL
;
186 static int video_channel
= 0;
187 static char *video_standard
= "ntsc";
189 static char *audio_grab_format
= "audio_device";
190 static char *audio_device
= NULL
;
192 static int using_stdin
= 0;
193 static int using_vhook
= 0;
194 static int verbose
= 1;
195 static int thread_count
= 1;
197 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
199 typedef struct AVOutputStream
{
200 int file_index
; /* file index */
201 int index
; /* stream index in the output file */
202 int source_index
; /* AVInputStream index */
203 AVStream
*st
; /* stream in the output file */
204 int encoding_needed
; /* true if encoding needed for this stream */
206 /* input pts and corresponding output pts
209 double sync_ipts_offset
;
212 int video_resample
; /* video_resample and video_crop are mutually exclusive */
213 AVPicture pict_tmp
; /* temporary image for resampling */
214 ImgReSampleContext
*img_resample_ctx
; /* for image resampling */
216 int video_crop
; /* video_resample and video_crop are mutually exclusive */
217 int topBand
; /* cropping area sizes */
222 ReSampleContext
*resample
; /* for audio resampling */
223 FifoBuffer fifo
; /* for compression: one audio fifo per codec */
227 typedef struct AVInputStream
{
231 int discard
; /* true if stream data should be discarded */
232 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
233 int64_t sample_index
; /* current sample */
235 int64_t start
; /* time when read started */
236 unsigned long frame
; /* current frame */
237 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
239 int64_t pts
; /* current pts */
242 typedef struct AVInputFile
{
243 int eof_reached
; /* true if eof reached */
244 int ist_index
; /* index of first stream in ist_table */
245 int buffer_size
; /* current total buffer size */
246 int buffer_size_max
; /* buffer size at which we consider we can stop
248 int nb_streams
; /* nb streams we are aware of */
253 /* init terminal so that we can grab keys */
254 static struct termios oldtty
;
256 static void term_exit(void)
258 tcsetattr (0, TCSANOW
, &oldtty
);
261 static volatile sig_atomic_t received_sigterm
= 0;
264 sigterm_handler(int sig
)
266 received_sigterm
= sig
;
270 static void term_init(void)
277 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
278 |INLCR
|IGNCR
|ICRNL
|IXON
);
279 tty
.c_oflag
|= OPOST
;
280 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
281 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
286 tcsetattr (0, TCSANOW
, &tty
);
288 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
289 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
290 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
292 register a function to be called at normal program termination
295 #ifdef CONFIG_BEOS_NETSERVER
296 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
300 /* read a key without blocking */
301 static int read_key(void)
305 #ifndef CONFIG_BEOS_NETSERVER
313 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
327 static volatile int received_sigterm
= 0;
329 /* no interactive support */
330 static void term_exit(void)
334 static void term_init(void)
338 static int read_key(void)
345 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
350 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
353 /* copy stream format */
354 s
->nb_streams
= ic
->nb_streams
;
355 for(i
=0;i
<ic
->nb_streams
;i
++) {
358 st
= av_mallocz(sizeof(AVStream
));
359 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
363 av_close_input_file(ic
);
367 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
369 static void do_audio_out(AVFormatContext
*s
,
372 unsigned char *buf
, int size
)
375 static uint8_t *audio_buf
= NULL
;
376 static uint8_t *audio_out
= NULL
;
377 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
379 int size_out
, frame_bytes
, ret
;
382 /* SC: dynamic allocation of buffers */
384 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
386 audio_out
= av_malloc(audio_out_size
);
387 if (!audio_buf
|| !audio_out
)
388 return; /* Should signal an error ! */
391 enc
= &ost
->st
->codec
;
393 if (ost
->audio_resample
) {
395 size_out
= audio_resample(ost
->resample
,
396 (short *)buftmp
, (short *)buf
,
397 size
/ (ist
->st
->codec
.channels
* 2));
398 size_out
= size_out
* enc
->channels
* 2;
404 /* now encode as many frames as possible */
405 if (enc
->frame_size
> 1) {
406 /* output resampled raw samples */
407 fifo_write(&ost
->fifo
, buftmp
, size_out
,
410 frame_bytes
= enc
->frame_size
* 2 * enc
->channels
;
412 while (fifo_read(&ost
->fifo
, audio_buf
, frame_bytes
,
413 &ost
->fifo
.rptr
) == 0) {
414 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
416 av_write_frame(s
, ost
->index
, audio_out
, ret
);
419 /* output a pcm frame */
420 /* XXX: change encoding codec API to avoid this ? */
421 switch(enc
->codec
->id
) {
422 case CODEC_ID_PCM_S16LE
:
423 case CODEC_ID_PCM_S16BE
:
424 case CODEC_ID_PCM_U16LE
:
425 case CODEC_ID_PCM_U16BE
:
428 size_out
= size_out
>> 1;
431 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
433 av_write_frame(s
, ost
->index
, audio_out
, ret
);
437 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
441 AVPicture picture_tmp
;
444 dec
= &ist
->st
->codec
;
446 /* deinterlace : must be done before any resize */
447 if (do_deinterlace
|| using_vhook
) {
450 /* create temporary picture */
451 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
452 buf
= av_malloc(size
);
456 picture2
= &picture_tmp
;
457 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
460 if(avpicture_deinterlace(picture2
, picture
,
461 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
462 /* if error, do not deinterlace */
468 if (img_convert(picture2
, dec
->pix_fmt
, picture
,
469 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
470 /* if error, do not copy */
480 frame_hook_process(picture2
, dec
->pix_fmt
, dec
->width
, dec
->height
);
482 if (picture
!= picture2
)
483 *picture
= *picture2
;
487 /* we begin to correct av delay at this threshold */
488 #define AV_DELAY_MAX 0.100
490 static void do_video_out(AVFormatContext
*s
,
494 int *frame_size
, AVOutputStream
*audio_sync
)
496 int nb_frames
, i
, ret
;
497 AVPicture
*final_picture
, *formatted_picture
;
498 AVPicture picture_format_temp
, picture_crop_temp
;
499 static uint8_t *video_buffer
= NULL
;
500 uint8_t *buf
= NULL
, *buf1
= NULL
;
501 AVCodecContext
*enc
, *dec
;
502 enum PixelFormat target_pixfmt
;
504 #define VIDEO_BUFFER_SIZE (1024*1024)
506 enc
= &ost
->st
->codec
;
507 dec
= &ist
->st
->codec
;
509 /* by default, we output a single frame */
514 /* NOTE: the A/V sync is always done by considering the audio is
515 the master clock. It is suffisant for transcoding or playing,
516 but not for the general case */
518 /* compute the A-V delay and duplicate/remove frames if needed */
519 double adelta
, vdelta
, av_delay
;
521 adelta
= audio_sync
->sync_ipts
- ((double)audio_sync
->sync_opts
*
522 s
->pts_num
/ s
->pts_den
);
524 vdelta
= ost
->sync_ipts
- ((double)ost
->sync_opts
*
525 s
->pts_num
/ s
->pts_den
);
527 av_delay
= adelta
- vdelta
;
528 // printf("delay=%f\n", av_delay);
529 if (av_delay
< -AV_DELAY_MAX
)
531 else if (av_delay
> AV_DELAY_MAX
)
536 vdelta
= (double)(ost
->st
->pts
.val
) * s
->pts_num
/ s
->pts_den
- (ost
->sync_ipts
- ost
->sync_ipts_offset
);
537 if (vdelta
< 100 && vdelta
> -100 && ost
->sync_ipts_offset
) {
538 if (vdelta
< -AV_DELAY_MAX
)
540 else if (vdelta
> AV_DELAY_MAX
)
543 ost
->sync_ipts_offset
-= vdelta
;
544 if (!ost
->sync_ipts_offset
)
545 ost
->sync_ipts_offset
= 0.000001; /* one microsecond */
549 #if defined(AVSYNC_DEBUG)
551 static char *action
[] = { "drop frame", "copy frame", "dup frame" };
553 fprintf(stderr
, "Input APTS %12.6f, output APTS %12.6f, ",
554 (double) audio_sync
->sync_ipts
,
555 (double) audio_sync
->st
->pts
.val
* s
->pts_num
/ s
->pts_den
);
556 fprintf(stderr
, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
557 (double) ost
->sync_ipts
,
558 (double) ost
->st
->pts
.val
* s
->pts_num
/ s
->pts_den
,
567 video_buffer
= av_malloc(VIDEO_BUFFER_SIZE
);
571 /* convert pixel format if needed */
572 target_pixfmt
= ost
->video_resample ? PIX_FMT_YUV420P
: enc
->pix_fmt
;
573 if (dec
->pix_fmt
!= target_pixfmt
) {
576 /* create temporary picture */
577 size
= avpicture_get_size(target_pixfmt
, dec
->width
, dec
->height
);
578 buf
= av_malloc(size
);
581 formatted_picture
= &picture_format_temp
;
582 avpicture_fill(formatted_picture
, buf
, target_pixfmt
, dec
->width
, dec
->height
);
584 if (img_convert(formatted_picture
, target_pixfmt
,
585 (AVPicture
*)in_picture
, dec
->pix_fmt
,
586 dec
->width
, dec
->height
) < 0) {
587 fprintf(stderr
, "pixel format conversion not handled\n");
591 formatted_picture
= (AVPicture
*)in_picture
;
594 /* XXX: resampling could be done before raw format convertion in
595 some cases to go faster */
596 /* XXX: only works for YUV420P */
597 if (ost
->video_resample
) {
598 final_picture
= &ost
->pict_tmp
;
599 img_resample(ost
->img_resample_ctx
, final_picture
, formatted_picture
);
600 if (enc
->pix_fmt
!= PIX_FMT_YUV420P
) {
604 /* create temporary picture */
605 size
= avpicture_get_size(enc
->pix_fmt
, enc
->width
, enc
->height
);
606 buf
= av_malloc(size
);
609 final_picture
= &picture_format_temp
;
610 avpicture_fill(final_picture
, buf
, enc
->pix_fmt
, enc
->width
, enc
->height
);
612 if (img_convert(final_picture
, enc
->pix_fmt
,
613 &ost
->pict_tmp
, PIX_FMT_YUV420P
,
614 enc
->width
, enc
->height
) < 0) {
615 fprintf(stderr
, "pixel format conversion not handled\n");
619 } else if (ost
->video_crop
) {
620 picture_crop_temp
.data
[0] = formatted_picture
->data
[0] +
621 (ost
->topBand
* formatted_picture
->linesize
[0]) + ost
->leftBand
;
623 picture_crop_temp
.data
[1] = formatted_picture
->data
[1] +
624 ((ost
->topBand
>> 1) * formatted_picture
->linesize
[1]) +
625 (ost
->leftBand
>> 1);
627 picture_crop_temp
.data
[2] = formatted_picture
->data
[2] +
628 ((ost
->topBand
>> 1) * formatted_picture
->linesize
[2]) +
629 (ost
->leftBand
>> 1);
631 picture_crop_temp
.linesize
[0] = formatted_picture
->linesize
[0];
632 picture_crop_temp
.linesize
[1] = formatted_picture
->linesize
[1];
633 picture_crop_temp
.linesize
[2] = formatted_picture
->linesize
[2];
634 final_picture
= &picture_crop_temp
;
636 final_picture
= formatted_picture
;
638 /* duplicates frame if needed */
639 /* XXX: pb because no interleaving */
640 for(i
=0;i
<nb_frames
;i
++) {
641 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
642 /* raw pictures are written as AVPicture structure to
643 avoid any copies. We support temorarily the older
645 AVFrame
* old_frame
= enc
->coded_frame
;
646 enc
->coded_frame
= dec
->coded_frame
;
647 av_write_frame(s
, ost
->index
,
648 (uint8_t *)final_picture
, sizeof(AVPicture
));
649 enc
->coded_frame
= old_frame
;
653 avcodec_get_frame_defaults(&big_picture
);
654 *(AVPicture
*)&big_picture
= *final_picture
;
655 /* better than nothing: use input picture interlaced
657 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
658 if(do_interlace_me
|| do_interlace_dct
){
659 if(top_field_first
== -1)
660 big_picture
.top_field_first
= in_picture
->top_field_first
;
662 big_picture
.top_field_first
= 1;
665 /* handles sameq here. This is not correct because it may
666 not be a global option */
668 big_picture
.quality
= ist
->st
->quality
;
670 big_picture
.quality
= ost
->st
->quality
;
671 ret
= avcodec_encode_video(enc
,
672 video_buffer
, VIDEO_BUFFER_SIZE
,
674 //enc->frame_number = enc->real_pict_num;
675 av_write_frame(s
, ost
->index
, video_buffer
, ret
);
677 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
678 // enc->frame_number-1, enc->real_pict_num, ret,
680 /* if two pass, output log */
681 if (ost
->logfile
&& enc
->stats_out
) {
682 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
692 static double psnr(double d
){
693 if(d
==0) return INFINITY
;
694 return -10.0*log(d
)/log(10.0);
697 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
700 static FILE *fvstats
=NULL
;
701 static int64_t total_size
= 0;
708 double ti1
, bitrate
, avg_bitrate
;
712 today
= localtime(&today2
);
713 sprintf(filename
, "vstats_%02d%02d%02d.log", today
->tm_hour
,
716 fvstats
= fopen(filename
,"w");
724 enc
= &ost
->st
->codec
;
725 total_size
+= frame_size
;
726 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
727 frame_number
= ost
->frame_number
;
728 fprintf(fvstats
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
729 if (enc
->flags
&CODEC_FLAG_PSNR
)
730 fprintf(fvstats
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
732 fprintf(fvstats
,"f_size= %6d ", frame_size
);
733 /* compute pts value */
734 ti1
= (double)ost
->st
->pts
.val
* os
->pts_num
/ os
->pts_den
;
738 bitrate
= (double)(frame_size
* 8) * enc
->frame_rate
/ enc
->frame_rate_base
/ 1000.0;
739 avg_bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
740 fprintf(fvstats
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
741 (double)total_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
742 fprintf(fvstats
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
746 static void print_report(AVFormatContext
**output_files
,
747 AVOutputStream
**ost_table
, int nb_ostreams
,
752 AVFormatContext
*oc
, *os
;
755 int frame_number
, vid
, i
;
756 double bitrate
, ti1
, pts
;
757 static int64_t last_time
= -1;
759 if (!is_last_report
) {
761 /* display the report every 0.5 seconds */
762 cur_time
= av_gettime();
763 if (last_time
== -1) {
764 last_time
= cur_time
;
767 if ((cur_time
- last_time
) < 500000)
769 last_time
= cur_time
;
773 oc
= output_files
[0];
775 total_size
= url_ftell(&oc
->pb
);
780 for(i
=0;i
<nb_ostreams
;i
++) {
782 os
= output_files
[ost
->file_index
];
783 enc
= &ost
->st
->codec
;
784 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
785 sprintf(buf
+ strlen(buf
), "q=%2.1f ",
786 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
788 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
789 frame_number
= ost
->frame_number
;
790 sprintf(buf
+ strlen(buf
), "frame=%5d q=%2.1f ",
791 frame_number
, enc
->coded_frame ? enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: 0);
793 sprintf(buf
+ strlen(buf
), "L");
794 if (enc
->flags
&CODEC_FLAG_PSNR
){
796 double error
, error_sum
=0;
797 double scale
, scale_sum
=0;
798 char type
[3]= {'Y','U','V'};
799 sprintf(buf
+ strlen(buf
), "PSNR=");
802 error
= enc
->error
[j
];
803 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
805 error
= enc
->coded_frame
->error
[j
];
806 scale
= enc
->width
*enc
->height
*255.0*255.0;
811 sprintf(buf
+ strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
813 sprintf(buf
+ strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
817 /* compute min output value */
818 pts
= (double)ost
->st
->pts
.val
* os
->pts_num
/ os
->pts_den
;
819 if ((pts
< ti1
) && (pts
> 0))
825 if (verbose
|| is_last_report
) {
826 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
828 sprintf(buf
+ strlen(buf
),
829 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
830 (double)total_size
/ 1024, ti1
, bitrate
);
832 fprintf(stderr
, "%s \r", buf
);
837 fprintf(stderr
, "\n");
840 /* pkt = NULL means EOF (needed to flush decoder buffers) */
841 static int output_packet(AVInputStream
*ist
, int ist_index
,
842 AVOutputStream
**ost_table
, int nb_ostreams
,
850 int data_size
, got_picture
;
852 short samples
[AVCODEC_MAX_AUDIO_FRAME_SIZE
/ 2];
853 void *buffer_to_free
;
855 if (pkt
&& pkt
->pts
!= AV_NOPTS_VALUE
) {
858 ist
->pts
= ist
->next_pts
;
872 /* decode the packet if needed */
873 data_buf
= NULL
; /* fail safe */
875 if (ist
->decoding_needed
) {
876 switch(ist
->st
->codec
.codec_type
) {
877 case CODEC_TYPE_AUDIO
:
878 /* XXX: could avoid copy if PCM 16 bits with same
880 ret
= avcodec_decode_audio(&ist
->st
->codec
, samples
, &data_size
,
886 /* Some bug in mpeg audio decoder gives */
887 /* data_size < 0, it seems they are overflows */
888 if (data_size
<= 0) {
892 data_buf
= (uint8_t *)samples
;
893 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
* data_size
) /
894 (2 * ist
->st
->codec
.channels
);
896 case CODEC_TYPE_VIDEO
:
897 data_size
= (ist
->st
->codec
.width
* ist
->st
->codec
.height
* 3) / 2;
898 /* XXX: allocate picture correctly */
899 avcodec_get_frame_defaults(&picture
);
901 ret
= avcodec_decode_video(&ist
->st
->codec
,
902 &picture
, &got_picture
, ptr
, len
);
903 ist
->st
->quality
= picture
.quality
;
910 if (ist
->st
->codec
.frame_rate_base
!= 0) {
911 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
912 ist
->st
->codec
.frame_rate_base
) /
913 ist
->st
->codec
.frame_rate
;
927 buffer_to_free
= NULL
;
928 if (ist
->st
->codec
.codec_type
== CODEC_TYPE_VIDEO
) {
929 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
933 /* frame rate emulation */
934 if (ist
->st
->codec
.rate_emu
) {
935 int64_t pts
= av_rescale((int64_t) ist
->frame
* ist
->st
->codec
.frame_rate_base
, 1000000, ist
->st
->codec
.frame_rate
);
936 int64_t now
= av_gettime() - ist
->start
;
944 /* mpeg PTS deordering : if it is a P or I frame, the PTS
945 is the one of the next displayed one */
946 /* XXX: add mpeg4 too ? */
947 if (ist
->st
->codec
.codec_id
== CODEC_ID_MPEG1VIDEO
) {
948 if (ist
->st
->codec
.pict_type
!= B_TYPE
) {
950 tmp
= ist
->last_ip_pts
;
951 ist
->last_ip_pts
= ist
->frac_pts
.val
;
952 ist
->frac_pts
.val
= tmp
;
956 /* if output time reached then transcode raw format,
957 encode packets and output them */
958 if (start_time
== 0 || ist
->pts
>= start_time
)
959 for(i
=0;i
<nb_ostreams
;i
++) {
963 if (ost
->source_index
== ist_index
) {
964 os
= output_files
[ost
->file_index
];
967 printf("%d: got pts=%0.3f %0.3f\n", i
,
968 (double)pkt
->pts
/ AV_TIME_BASE
,
969 ((double)ist
->pts
/ AV_TIME_BASE
) -
970 ((double)ost
->st
->pts
.val
* os
->pts_num
/ os
->pts_den
));
972 /* set the input output pts pairs */
973 ost
->sync_ipts
= (double)ist
->pts
/ AV_TIME_BASE
;
974 /* XXX: take into account the various fifos,
975 in particular for audio */
976 ost
->sync_opts
= ost
->st
->pts
.val
;
977 //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt->pts=%lld\n", ist->pts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt->pts);
979 if (ost
->encoding_needed
) {
980 switch(ost
->st
->codec
.codec_type
) {
981 case CODEC_TYPE_AUDIO
:
982 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
984 case CODEC_TYPE_VIDEO
:
985 /* find an audio stream for synchro */
988 AVOutputStream
*audio_sync
, *ost1
;
990 for(i
=0;i
<nb_ostreams
;i
++) {
992 if (ost1
->file_index
== ost
->file_index
&&
993 ost1
->st
->codec
.codec_type
== CODEC_TYPE_AUDIO
) {
999 do_video_out(os
, ost
, ist
, &picture
, &frame_size
, audio_sync
);
1000 if (do_vstats
&& frame_size
)
1001 do_video_stats(os
, ost
, frame_size
);
1010 /* no reencoding needed : output the packet directly */
1011 /* force the input stream PTS */
1013 avcodec_get_frame_defaults(&avframe
);
1014 ost
->st
->codec
.coded_frame
= &avframe
;
1015 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1017 av_write_frame(os
, ost
->index
, data_buf
, data_size
);
1018 ost
->st
->codec
.frame_number
++;
1019 ost
->frame_number
++;
1023 av_free(buffer_to_free
);
1033 * The following code is the main loop of the file converter
1035 static int av_encode(AVFormatContext
**output_files
,
1036 int nb_output_files
,
1037 AVFormatContext
**input_files
,
1039 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1041 int ret
, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1042 AVFormatContext
*is
, *os
;
1043 AVCodecContext
*codec
, *icodec
;
1044 AVOutputStream
*ost
, **ost_table
= NULL
;
1045 AVInputStream
*ist
, **ist_table
= NULL
;
1046 AVInputFile
*file_table
;
1047 AVFormatContext
*stream_no_data
;
1050 file_table
= (AVInputFile
*) av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1054 /* input stream init */
1056 for(i
=0;i
<nb_input_files
;i
++) {
1057 is
= input_files
[i
];
1058 file_table
[i
].ist_index
= j
;
1059 file_table
[i
].nb_streams
= is
->nb_streams
;
1060 j
+= is
->nb_streams
;
1064 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1068 for(i
=0;i
<nb_istreams
;i
++) {
1069 ist
= av_mallocz(sizeof(AVInputStream
));
1075 for(i
=0;i
<nb_input_files
;i
++) {
1076 is
= input_files
[i
];
1077 for(k
=0;k
<is
->nb_streams
;k
++) {
1078 ist
= ist_table
[j
++];
1079 ist
->st
= is
->streams
[k
];
1080 ist
->file_index
= i
;
1082 ist
->discard
= 1; /* the stream is discarded by default
1085 if (ist
->st
->codec
.rate_emu
) {
1086 ist
->start
= av_gettime();
1092 /* output stream init */
1094 for(i
=0;i
<nb_output_files
;i
++) {
1095 os
= output_files
[i
];
1096 nb_ostreams
+= os
->nb_streams
;
1098 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1099 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1103 /* Sanity check the mapping args -- do the input files & streams exist? */
1104 for(i
=0;i
<nb_stream_maps
;i
++) {
1105 int fi
= stream_maps
[i
].file_index
;
1106 int si
= stream_maps
[i
].stream_index
;
1108 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1109 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1110 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1115 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1118 for(i
=0;i
<nb_ostreams
;i
++) {
1119 ost
= av_mallocz(sizeof(AVOutputStream
));
1126 for(k
=0;k
<nb_output_files
;k
++) {
1127 os
= output_files
[k
];
1128 for(i
=0;i
<os
->nb_streams
;i
++) {
1130 ost
= ost_table
[n
++];
1131 ost
->file_index
= k
;
1133 ost
->st
= os
->streams
[i
];
1134 if (nb_stream_maps
> 0) {
1135 ost
->source_index
= file_table
[stream_maps
[n
-1].file_index
].ist_index
+
1136 stream_maps
[n
-1].stream_index
;
1138 /* Sanity check that the stream types match */
1139 if (ist_table
[ost
->source_index
]->st
->codec
.codec_type
!= ost
->st
->codec
.codec_type
) {
1140 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1141 stream_maps
[n
-1].file_index
, stream_maps
[n
-1].stream_index
,
1142 ost
->file_index
, ost
->index
);
1147 /* get corresponding input stream index : we select the first one with the right type */
1149 for(j
=0;j
<nb_istreams
;j
++) {
1152 ist
->st
->codec
.codec_type
== ost
->st
->codec
.codec_type
) {
1153 ost
->source_index
= j
;
1159 /* try again and reuse existing stream */
1160 for(j
=0;j
<nb_istreams
;j
++) {
1162 if (ist
->st
->codec
.codec_type
== ost
->st
->codec
.codec_type
) {
1163 ost
->source_index
= j
;
1168 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1169 ost
->file_index
, ost
->index
);
1174 ist
= ist_table
[ost
->source_index
];
1179 /* for each output stream, we compute the right encoding parameters */
1180 for(i
=0;i
<nb_ostreams
;i
++) {
1182 ist
= ist_table
[ost
->source_index
];
1184 codec
= &ost
->st
->codec
;
1185 icodec
= &ist
->st
->codec
;
1187 if (ost
->st
->stream_copy
) {
1188 /* if stream_copy is selected, no need to decode or encode */
1189 codec
->codec_id
= icodec
->codec_id
;
1190 codec
->codec_type
= icodec
->codec_type
;
1191 codec
->codec_tag
= icodec
->codec_tag
;
1192 codec
->bit_rate
= icodec
->bit_rate
;
1193 switch(codec
->codec_type
) {
1194 case CODEC_TYPE_AUDIO
:
1195 codec
->sample_rate
= icodec
->sample_rate
;
1196 codec
->channels
= icodec
->channels
;
1198 case CODEC_TYPE_VIDEO
:
1199 codec
->frame_rate
= icodec
->frame_rate
;
1200 codec
->frame_rate_base
= icodec
->frame_rate_base
;
1201 codec
->width
= icodec
->width
;
1202 codec
->height
= icodec
->height
;
1208 switch(codec
->codec_type
) {
1209 case CODEC_TYPE_AUDIO
:
1210 if (fifo_init(&ost
->fifo
, 2 * MAX_AUDIO_PACKET_SIZE
))
1213 if (codec
->channels
== icodec
->channels
&&
1214 codec
->sample_rate
== icodec
->sample_rate
) {
1215 ost
->audio_resample
= 0;
1217 if (codec
->channels
!= icodec
->channels
&&
1218 icodec
->codec_id
== CODEC_ID_AC3
) {
1219 /* Special case for 5:1 AC3 input */
1220 /* and mono or stereo output */
1221 /* Request specific number of channels */
1222 icodec
->channels
= codec
->channels
;
1223 if (codec
->sample_rate
== icodec
->sample_rate
)
1224 ost
->audio_resample
= 0;
1226 ost
->audio_resample
= 1;
1227 ost
->resample
= audio_resample_init(codec
->channels
, icodec
->channels
,
1229 icodec
->sample_rate
);
1232 printf("Can't resample. Aborting.\n");
1236 /* Request specific number of channels */
1237 icodec
->channels
= codec
->channels
;
1239 ost
->audio_resample
= 1;
1240 ost
->resample
= audio_resample_init(codec
->channels
, icodec
->channels
,
1242 icodec
->sample_rate
);
1245 printf("Can't resample. Aborting.\n");
1250 ist
->decoding_needed
= 1;
1251 ost
->encoding_needed
= 1;
1253 case CODEC_TYPE_VIDEO
:
1254 if (codec
->width
== icodec
->width
&&
1255 codec
->height
== icodec
->height
&&
1256 frame_topBand
== 0 &&
1257 frame_bottomBand
== 0 &&
1258 frame_leftBand
== 0 &&
1259 frame_rightBand
== 0)
1261 ost
->video_resample
= 0;
1262 ost
->video_crop
= 0;
1263 } else if ((codec
->width
== icodec
->width
-
1264 (frame_leftBand
+ frame_rightBand
)) &&
1265 (codec
->height
== icodec
->height
-
1266 (frame_topBand
+ frame_bottomBand
)))
1268 ost
->video_resample
= 0;
1269 ost
->video_crop
= 1;
1270 ost
->topBand
= frame_topBand
;
1271 ost
->leftBand
= frame_leftBand
;
1273 ost
->video_resample
= 1;
1274 ost
->video_crop
= 0; // cropping is handled as part of resample
1275 if( avpicture_alloc( &ost
->pict_tmp
, PIX_FMT_YUV420P
,
1276 codec
->width
, codec
->height
) )
1279 ost
->img_resample_ctx
= img_resample_full_init(
1280 ost
->st
->codec
.width
, ost
->st
->codec
.height
,
1281 ist
->st
->codec
.width
, ist
->st
->codec
.height
,
1282 frame_topBand
, frame_bottomBand
,
1283 frame_leftBand
, frame_rightBand
);
1285 ost
->encoding_needed
= 1;
1286 ist
->decoding_needed
= 1;
1292 if (ost
->encoding_needed
&&
1293 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1294 char logfilename
[1024];
1299 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1301 pass_logfilename
: DEFAULT_PASS_LOGFILENAME
, i
);
1302 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1303 f
= fopen(logfilename
, "w");
1305 perror(logfilename
);
1310 /* read the log file */
1311 f
= fopen(logfilename
, "r");
1313 perror(logfilename
);
1316 fseek(f
, 0, SEEK_END
);
1318 fseek(f
, 0, SEEK_SET
);
1319 logbuffer
= av_malloc(size
+ 1);
1321 fprintf(stderr
, "Could not allocate log buffer\n");
1324 size
= fread(logbuffer
, 1, size
, f
);
1326 logbuffer
[size
] = '\0';
1327 codec
->stats_in
= logbuffer
;
1333 /* dump the file output parameters - cannot be done before in case
1335 for(i
=0;i
<nb_output_files
;i
++) {
1336 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1339 /* dump the stream mapping */
1340 fprintf(stderr
, "Stream mapping:\n");
1341 for(i
=0;i
<nb_ostreams
;i
++) {
1343 fprintf(stderr
, " Stream #%d.%d -> #%d.%d\n",
1344 ist_table
[ost
->source_index
]->file_index
,
1345 ist_table
[ost
->source_index
]->index
,
1350 /* open each encoder */
1351 for(i
=0;i
<nb_ostreams
;i
++) {
1353 if (ost
->encoding_needed
) {
1355 codec
= avcodec_find_encoder(ost
->st
->codec
.codec_id
);
1357 fprintf(stderr
, "Unsupported codec for output stream #%d.%d\n",
1358 ost
->file_index
, ost
->index
);
1361 if (avcodec_open(&ost
->st
->codec
, codec
) < 0) {
1362 fprintf(stderr
, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1363 ost
->file_index
, ost
->index
);
1369 /* open each decoder */
1370 for(i
=0;i
<nb_istreams
;i
++) {
1372 if (ist
->decoding_needed
) {
1374 codec
= avcodec_find_decoder(ist
->st
->codec
.codec_id
);
1376 fprintf(stderr
, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1377 ist
->st
->codec
.codec_id
, ist
->file_index
, ist
->index
);
1380 if (avcodec_open(&ist
->st
->codec
, codec
) < 0) {
1381 fprintf(stderr
, "Error while opening codec for input stream #%d.%d\n",
1382 ist
->file_index
, ist
->index
);
1385 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1386 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1391 for(i
=0;i
<nb_istreams
;i
++) {
1393 is
= input_files
[ist
->file_index
];
1398 /* compute buffer size max (should use a complete heuristic) */
1399 for(i
=0;i
<nb_input_files
;i
++) {
1400 file_table
[i
].buffer_size_max
= 2048;
1403 /* open files and write file headers */
1404 for(i
=0;i
<nb_output_files
;i
++) {
1405 os
= output_files
[i
];
1406 if (av_write_header(os
) < 0) {
1407 fprintf(stderr
, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i
);
1413 #ifndef CONFIG_WIN32
1415 fprintf(stderr
, "Press [q] to stop encoding\n");
1422 for(; received_sigterm
== 0;) {
1423 int file_index
, ist_index
;
1428 /* if 'q' pressed, exits */
1430 /* read_key() returns 0 on EOF */
1436 /* select the stream that we must read now by looking at the
1437 smallest output pts */
1440 for(i
=0;i
<nb_ostreams
;i
++) {
1443 os
= output_files
[ost
->file_index
];
1444 ist
= ist_table
[ost
->source_index
];
1445 pts
= (double)ost
->st
->pts
.val
* os
->pts_num
/ os
->pts_den
;
1446 if (!file_table
[ist
->file_index
].eof_reached
&&
1449 file_index
= ist
->file_index
;
1452 /* if none, if is finished */
1453 if (file_index
< 0) {
1457 /* finish if recording time exhausted */
1458 if (recording_time
> 0 && pts_min
>= (recording_time
/ 1000000.0))
1461 /* read a frame from it and output it in the fifo */
1462 is
= input_files
[file_index
];
1463 if (av_read_frame(is
, &pkt
) < 0) {
1464 file_table
[file_index
].eof_reached
= 1;
1469 stream_no_data
= is
;
1474 av_pkt_dump(stdout
, &pkt
, do_hex_dump
);
1476 /* the following test is needed in case new streams appear
1477 dynamically in stream : we ignore them */
1478 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
1479 goto discard_packet
;
1480 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
1481 ist
= ist_table
[ist_index
];
1483 goto discard_packet
;
1485 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1486 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
1487 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
1488 ist
->file_index
, ist
->index
);
1489 av_free_packet(&pkt
);
1494 av_free_packet(&pkt
);
1496 /* dump report by using the output first video and audio streams */
1497 print_report(output_files
, ost_table
, nb_ostreams
, 0);
1500 /* at the end of stream, we must flush the decoder buffers */
1501 for(i
=0;i
<nb_istreams
;i
++) {
1503 if (ist
->decoding_needed
) {
1504 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
1510 /* dump report by using the first video and audio streams */
1511 print_report(output_files
, ost_table
, nb_ostreams
, 1);
1513 /* close each encoder */
1514 for(i
=0;i
<nb_ostreams
;i
++) {
1516 if (ost
->encoding_needed
) {
1517 av_freep(&ost
->st
->codec
.stats_in
);
1518 avcodec_close(&ost
->st
->codec
);
1522 /* close each decoder */
1523 for(i
=0;i
<nb_istreams
;i
++) {
1525 if (ist
->decoding_needed
) {
1526 avcodec_close(&ist
->st
->codec
);
1531 /* write the trailer if needed and close file */
1532 for(i
=0;i
<nb_output_files
;i
++) {
1533 os
= output_files
[i
];
1534 av_write_trailer(os
);
1540 av_free(file_table
);
1543 for(i
=0;i
<nb_istreams
;i
++) {
1550 for(i
=0;i
<nb_ostreams
;i
++) {
1554 fclose(ost
->logfile
);
1555 ost
->logfile
= NULL
;
1557 fifo_free(&ost
->fifo
); /* works even if fifo is not
1558 initialized but set to zero */
1559 av_free(ost
->pict_tmp
.data
[0]);
1560 if (ost
->video_resample
)
1561 img_resample_close(ost
->img_resample_ctx
);
1562 if (ost
->audio_resample
)
1563 audio_resample_close(ost
->resample
);
1576 int file_read(const char *filename
)
1579 unsigned char buffer
[1024];
1582 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
1583 printf("could not open '%s'\n", filename
);
1587 len
= url_read(h
, buffer
, sizeof(buffer
));
1590 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
1597 static void opt_image_format(const char *arg
)
1601 for(f
= first_image_format
; f
!= NULL
; f
= f
->next
) {
1602 if (!strcmp(arg
, f
->name
))
1606 fprintf(stderr
, "Unknown image format: '%s'\n", arg
);
1612 static void opt_format(const char *arg
)
1614 /* compatibility stuff for pgmyuv */
1615 if (!strcmp(arg
, "pgmyuv")) {
1616 opt_image_format(arg
);
1620 file_iformat
= av_find_input_format(arg
);
1621 file_oformat
= guess_format(arg
, NULL
, NULL
);
1622 if (!file_iformat
&& !file_oformat
) {
1623 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
1628 static void opt_video_bitrate(const char *arg
)
1630 video_bit_rate
= atoi(arg
) * 1000;
1633 static void opt_video_bitrate_tolerance(const char *arg
)
1635 video_bit_rate_tolerance
= atoi(arg
) * 1000;
1638 static void opt_video_bitrate_max(const char *arg
)
1640 video_rc_max_rate
= atoi(arg
) * 1000;
1643 static void opt_video_bitrate_min(const char *arg
)
1645 video_rc_min_rate
= atoi(arg
) * 1000;
1648 static void opt_video_buffer_size(const char *arg
)
1650 video_rc_buffer_size
= atoi(arg
) * 8*1024;
1653 static void opt_video_rc_eq(char *arg
)
1658 static void opt_video_rc_override_string(char *arg
)
1660 video_rc_override_string
= arg
;
1664 static void opt_workaround_bugs(const char *arg
)
1666 workaround_bugs
= atoi(arg
);
1669 static void opt_dct_algo(const char *arg
)
1671 dct_algo
= atoi(arg
);
1674 static void opt_idct_algo(const char *arg
)
1676 idct_algo
= atoi(arg
);
1680 static void opt_error_resilience(const char *arg
)
1682 error_resilience
= atoi(arg
);
1685 static void opt_error_concealment(const char *arg
)
1687 error_concealment
= atoi(arg
);
1690 static void opt_debug(const char *arg
)
1695 static void opt_vismv(const char *arg
)
1697 debug_mv
= atoi(arg
);
1700 static void opt_verbose(const char *arg
)
1702 verbose
= atoi(arg
);
1705 static void opt_frame_rate(const char *arg
)
1707 if (parse_frame_rate(&frame_rate
, &frame_rate_base
, arg
) < 0) {
1708 fprintf(stderr
, "Incorrect frame rate\n");
1713 static void opt_frame_crop_top(const char *arg
)
1715 frame_topBand
= atoi(arg
);
1716 if (frame_topBand
< 0) {
1717 fprintf(stderr
, "Incorrect top crop size\n");
1720 if ((frame_topBand
% 2) != 0) {
1721 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
1724 if ((frame_topBand
) >= frame_height
){
1725 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1728 frame_height
-= frame_topBand
;
1731 static void opt_frame_crop_bottom(const char *arg
)
1733 frame_bottomBand
= atoi(arg
);
1734 if (frame_bottomBand
< 0) {
1735 fprintf(stderr
, "Incorrect bottom crop size\n");
1738 if ((frame_bottomBand
% 2) != 0) {
1739 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
1742 if ((frame_bottomBand
) >= frame_height
){
1743 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1746 frame_height
-= frame_bottomBand
;
1749 static void opt_frame_crop_left(const char *arg
)
1751 frame_leftBand
= atoi(arg
);
1752 if (frame_leftBand
< 0) {
1753 fprintf(stderr
, "Incorrect left crop size\n");
1756 if ((frame_leftBand
% 2) != 0) {
1757 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
1760 if ((frame_leftBand
) >= frame_width
){
1761 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1764 frame_width
-= frame_leftBand
;
1767 static void opt_frame_crop_right(const char *arg
)
1769 frame_rightBand
= atoi(arg
);
1770 if (frame_rightBand
< 0) {
1771 fprintf(stderr
, "Incorrect right crop size\n");
1774 if ((frame_rightBand
% 2) != 0) {
1775 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
1778 if ((frame_rightBand
) >= frame_width
){
1779 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1782 frame_width
-= frame_rightBand
;
1785 static void opt_frame_size(const char *arg
)
1787 if (parse_image_size(&frame_width
, &frame_height
, arg
) < 0) {
1788 fprintf(stderr
, "Incorrect frame size\n");
1791 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
1792 fprintf(stderr
, "Frame size must be a multiple of 2\n");
1797 static void opt_frame_pix_fmt(const char *arg
)
1799 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
1802 static void opt_frame_aspect_ratio(const char *arg
)
1808 p
= strchr(arg
, ':');
1810 x
= strtol(arg
, (char **)&arg
, 10);
1812 y
= strtol(arg
+1, (char **)&arg
, 10);
1814 ar
= (double)x
/ (double)y
;
1816 ar
= strtod(arg
, (char **)&arg
);
1819 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
1822 frame_aspect_ratio
= ar
;
1825 static void opt_gop_size(const char *arg
)
1827 gop_size
= atoi(arg
);
1830 static void opt_b_frames(const char *arg
)
1832 b_frames
= atoi(arg
);
1833 if (b_frames
> FF_MAX_B_FRAMES
) {
1834 fprintf(stderr
, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES
);
1836 } else if (b_frames
< 1) {
1837 fprintf(stderr
, "\nNumber of B frames must be higher than 0\n");
1842 static void opt_mb_decision(const char *arg
)
1844 mb_decision
= atoi(arg
);
1847 static void opt_mb_cmp(const char *arg
)
1852 static void opt_ildct_cmp(const char *arg
)
1854 ildct_cmp
= atoi(arg
);
1857 static void opt_sub_cmp(const char *arg
)
1859 sub_cmp
= atoi(arg
);
1862 static void opt_cmp(const char *arg
)
1867 static void opt_pre_cmp(const char *arg
)
1869 pre_cmp
= atoi(arg
);
1872 static void opt_pre_me(const char *arg
)
1877 static void opt_lumi_mask(const char *arg
)
1879 lumi_mask
= atof(arg
);
1882 static void opt_dark_mask(const char *arg
)
1884 dark_mask
= atof(arg
);
1887 static void opt_scplx_mask(const char *arg
)
1889 scplx_mask
= atof(arg
);
1892 static void opt_tcplx_mask(const char *arg
)
1894 tcplx_mask
= atof(arg
);
1897 static void opt_p_mask(const char *arg
)
1902 static void opt_qscale(const char *arg
)
1904 video_qscale
= atof(arg
);
1905 if (video_qscale
< 0.01 ||
1906 video_qscale
> 255) {
1907 fprintf(stderr
, "qscale must be >= 0.01 and <= 255\n");
1912 static void opt_qmin(const char *arg
)
1914 video_qmin
= atoi(arg
);
1915 if (video_qmin
< 0 ||
1917 fprintf(stderr
, "qmin must be >= 1 and <= 31\n");
1922 static void opt_qmax(const char *arg
)
1924 video_qmax
= atoi(arg
);
1925 if (video_qmax
< 0 ||
1927 fprintf(stderr
, "qmax must be >= 1 and <= 31\n");
1932 static void opt_mb_qmin(const char *arg
)
1934 video_mb_qmin
= atoi(arg
);
1935 if (video_mb_qmin
< 0 ||
1936 video_mb_qmin
> 31) {
1937 fprintf(stderr
, "qmin must be >= 1 and <= 31\n");
1942 static void opt_mb_qmax(const char *arg
)
1944 video_mb_qmax
= atoi(arg
);
1945 if (video_mb_qmax
< 0 ||
1946 video_mb_qmax
> 31) {
1947 fprintf(stderr
, "qmax must be >= 1 and <= 31\n");
1952 static void opt_qdiff(const char *arg
)
1954 video_qdiff
= atoi(arg
);
1955 if (video_qdiff
< 0 ||
1957 fprintf(stderr
, "qdiff must be >= 1 and <= 31\n");
1962 static void opt_qblur(const char *arg
)
1964 video_qblur
= atof(arg
);
1967 static void opt_qcomp(const char *arg
)
1969 video_qcomp
= atof(arg
);
1972 static void opt_rc_initial_cplx(const char *arg
)
1974 video_rc_initial_cplx
= atof(arg
);
1976 static void opt_b_qfactor(const char *arg
)
1978 video_b_qfactor
= atof(arg
);
1980 static void opt_i_qfactor(const char *arg
)
1982 video_i_qfactor
= atof(arg
);
1984 static void opt_b_qoffset(const char *arg
)
1986 video_b_qoffset
= atof(arg
);
1988 static void opt_i_qoffset(const char *arg
)
1990 video_i_qoffset
= atof(arg
);
1993 static void opt_ibias(const char *arg
)
1995 video_intra_quant_bias
= atoi(arg
);
1997 static void opt_pbias(const char *arg
)
1999 video_inter_quant_bias
= atoi(arg
);
2002 static void opt_packet_size(const char *arg
)
2004 packet_size
= atoi(arg
);
2007 static void opt_error_rate(const char *arg
)
2009 error_rate
= atoi(arg
);
2012 static void opt_strict(const char *arg
)
2017 static void opt_top_field_first(const char *arg
)
2019 top_field_first
= atoi(arg
);
2022 static void opt_noise_reduction(const char *arg
)
2024 noise_reduction
= atoi(arg
);
2027 static void opt_qns(const char *arg
)
2032 static void opt_sc_threshold(const char *arg
)
2034 sc_threshold
= atoi(arg
);
2037 static void opt_thread_count(const char *arg
)
2039 thread_count
= atoi(arg
);
2040 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2041 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2045 static void opt_audio_bitrate(const char *arg
)
2047 audio_bit_rate
= atoi(arg
) * 1000;
2050 static void opt_audio_rate(const char *arg
)
2052 audio_sample_rate
= atoi(arg
);
2055 static void opt_audio_channels(const char *arg
)
2057 audio_channels
= atoi(arg
);
2060 static void opt_video_device(const char *arg
)
2062 video_device
= av_strdup(arg
);
2065 static void opt_video_channel(const char *arg
)
2067 video_channel
= strtol(arg
, NULL
, 0);
2070 static void opt_video_standard(const char *arg
)
2072 video_standard
= av_strdup(arg
);
2075 static void opt_audio_device(const char *arg
)
2077 audio_device
= av_strdup(arg
);
2080 static void opt_dv1394(const char *arg
)
2082 video_grab_format
= "dv1394";
2083 audio_grab_format
= NULL
;
2086 static void opt_audio_codec(const char *arg
)
2090 if (!strcmp(arg
, "copy")) {
2091 audio_stream_copy
= 1;
2095 if (!strcmp(p
->name
, arg
) && p
->type
== CODEC_TYPE_AUDIO
)
2100 fprintf(stderr
, "Unknown audio codec '%s'\n", arg
);
2103 audio_codec_id
= p
->id
;
2108 static void add_frame_hooker(const char *arg
)
2113 char *args
= av_strdup(arg
);
2117 argv
[0] = strtok(args
, " ");
2118 while (argc
< 62 && (argv
[++argc
] = strtok(NULL
, " "))) {
2121 i
= frame_hook_add(argc
, argv
);
2124 fprintf(stderr
, "Failed to add video hook function: %s\n", arg
);
2129 const char *motion_str
[] = {
2139 static void opt_motion_estimation(const char *arg
)
2145 fprintf(stderr
, "Unknown motion estimation method '%s'\n", arg
);
2148 if (!strcmp(*p
, arg
))
2152 me_method
= (p
- motion_str
) + 1;
2155 static void opt_video_codec(const char *arg
)
2159 if (!strcmp(arg
, "copy")) {
2160 video_stream_copy
= 1;
2164 if (!strcmp(p
->name
, arg
) && p
->type
== CODEC_TYPE_VIDEO
)
2169 fprintf(stderr
, "Unknown video codec '%s'\n", arg
);
2172 video_codec_id
= p
->id
;
2177 static void opt_map(const char *arg
)
2183 m
= &stream_maps
[nb_stream_maps
++];
2185 m
->file_index
= strtol(arg
, (char **)&p
, 0);
2189 m
->stream_index
= strtol(p
, (char **)&p
, 0);
2192 static void opt_recording_time(const char *arg
)
2194 recording_time
= parse_date(arg
, 1);
2197 static void opt_start_time(const char *arg
)
2199 start_time
= parse_date(arg
, 1);
2202 static void opt_input_file(const char *filename
)
2204 AVFormatContext
*ic
;
2205 AVFormatParameters params
, *ap
= ¶ms
;
2206 int err
, i
, ret
, rfps
, rfps_base
;
2208 if (!strcmp(filename
, "-"))
2211 using_stdin
|= !strcmp(filename
, "pipe:" ) ||
2212 !strcmp( filename
, "/dev/stdin" );
2214 /* get default parameters from command line */
2215 memset(ap
, 0, sizeof(*ap
));
2216 ap
->sample_rate
= audio_sample_rate
;
2217 ap
->channels
= audio_channels
;
2218 ap
->frame_rate
= frame_rate
;
2219 ap
->frame_rate_base
= frame_rate_base
;
2220 ap
->width
= frame_width
;
2221 ap
->height
= frame_height
;
2222 ap
->image_format
= image_format
;
2223 ap
->pix_fmt
= frame_pix_fmt
;
2225 /* open the input file with generic libav function */
2226 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2228 print_error(filename
, err
);
2232 /* If not enough info to get the stream parameters, we decode the
2233 first frames to get it. (used in mpeg case for example) */
2234 ret
= av_find_stream_info(ic
);
2236 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2240 /* if seeking requested, we execute it */
2241 if (start_time
!= 0) {
2244 timestamp
= start_time
;
2245 /* add the stream start time */
2246 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2247 timestamp
+= ic
->start_time
;
2248 ret
= av_seek_frame(ic
, -1, timestamp
);
2250 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2251 filename
, (double)timestamp
/ AV_TIME_BASE
);
2253 /* reset seek info */
2257 /* update the current parameters so that they match the one of the input stream */
2258 for(i
=0;i
<ic
->nb_streams
;i
++) {
2259 AVCodecContext
*enc
= &ic
->streams
[i
]->codec
;
2260 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2262 avcodec_thread_init(enc
, thread_count
);
2264 enc
->thread_count
= thread_count
;
2265 switch(enc
->codec_type
) {
2266 case CODEC_TYPE_AUDIO
:
2267 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2268 audio_channels
= enc
->channels
;
2269 audio_sample_rate
= enc
->sample_rate
;
2271 case CODEC_TYPE_VIDEO
:
2272 frame_height
= enc
->height
;
2273 frame_width
= enc
->width
;
2274 frame_aspect_ratio
= av_q2d(enc
->sample_aspect_ratio
) * enc
->width
/ enc
->height
;
2275 frame_pix_fmt
= enc
->pix_fmt
;
2276 rfps
= ic
->streams
[i
]->r_frame_rate
;
2277 rfps_base
= ic
->streams
[i
]->r_frame_rate_base
;
2278 enc
->workaround_bugs
= workaround_bugs
;
2279 enc
->error_resilience
= error_resilience
;
2280 enc
->error_concealment
= error_concealment
;
2281 enc
->idct_algo
= idct_algo
;
2283 enc
->debug_mv
= debug_mv
;
2285 enc
->flags
|= CODEC_FLAG_BITEXACT
;
2287 assert(enc
->frame_rate_base
== rfps_base
); // should be true for now
2288 if (enc
->frame_rate
!= rfps
) {
2289 fprintf(stderr
,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2290 i
, (float)enc
->frame_rate
/ enc
->frame_rate_base
,
2291 (float)rfps
/ rfps_base
);
2293 /* update the current frame rate to match the stream frame rate */
2295 frame_rate_base
= rfps_base
;
2297 enc
->rate_emu
= rate_emu
;
2299 case CODEC_TYPE_DATA
:
2306 input_files
[nb_input_files
] = ic
;
2307 /* dump the file content */
2308 dump_format(ic
, nb_input_files
, filename
, 0);
2310 file_iformat
= NULL
;
2311 file_oformat
= NULL
;
2312 image_format
= NULL
;
2317 static void check_audio_video_inputs(int *has_video_ptr
, int *has_audio_ptr
)
2319 int has_video
, has_audio
, i
, j
;
2320 AVFormatContext
*ic
;
2324 for(j
=0;j
<nb_input_files
;j
++) {
2325 ic
= input_files
[j
];
2326 for(i
=0;i
<ic
->nb_streams
;i
++) {
2327 AVCodecContext
*enc
= &ic
->streams
[i
]->codec
;
2328 switch(enc
->codec_type
) {
2329 case CODEC_TYPE_AUDIO
:
2332 case CODEC_TYPE_VIDEO
:
2340 *has_video_ptr
= has_video
;
2341 *has_audio_ptr
= has_audio
;
2344 static void opt_output_file(const char *filename
)
2347 AVFormatContext
*oc
;
2348 int use_video
, use_audio
, nb_streams
, input_has_video
, input_has_audio
;
2350 AVFormatParameters params
, *ap
= ¶ms
;
2352 if (!strcmp(filename
, "-"))
2355 oc
= av_alloc_format_context();
2357 if (!file_oformat
) {
2358 file_oformat
= guess_format(NULL
, filename
, NULL
);
2359 if (!file_oformat
) {
2360 fprintf(stderr
, "Unable for find a suitable output format for '%s'\n",
2366 oc
->oformat
= file_oformat
;
2368 if (!strcmp(file_oformat
->name
, "ffm") &&
2369 strstart(filename
, "http:", NULL
)) {
2370 /* special case for files sent to ffserver: we get the stream
2371 parameters from ffserver */
2372 if (read_ffserver_streams(oc
, filename
) < 0) {
2373 fprintf(stderr
, "Could not read stream parameters from '%s'\n", filename
);
2377 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
;
2378 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
;
2380 /* disable if no corresponding type found and at least one
2382 if (nb_input_files
> 0) {
2383 check_audio_video_inputs(&input_has_video
, &input_has_audio
);
2384 if (!input_has_video
)
2386 if (!input_has_audio
)
2390 /* manual disable */
2391 if (audio_disable
) {
2394 if (video_disable
) {
2400 AVCodecContext
*video_enc
;
2402 st
= av_mallocz(sizeof(AVStream
));
2404 fprintf(stderr
, "Could not alloc stream\n");
2407 avcodec_get_context_defaults(&st
->codec
);
2408 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2410 avcodec_thread_init(&st
->codec
, thread_count
);
2413 video_enc
= &st
->codec
;
2415 if(!strcmp(file_oformat
->name
, "mp4") || !strcmp(file_oformat
->name
, "mov") || !strcmp(file_oformat
->name
, "3gp"))
2416 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2417 if (video_stream_copy
) {
2418 st
->stream_copy
= 1;
2419 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
2424 codec_id
= file_oformat
->video_codec
;
2425 if (video_codec_id
!= CODEC_ID_NONE
)
2426 codec_id
= video_codec_id
;
2428 video_enc
->codec_id
= codec_id
;
2430 video_enc
->bit_rate
= video_bit_rate
;
2431 video_enc
->bit_rate_tolerance
= video_bit_rate_tolerance
;
2432 video_enc
->frame_rate
= frame_rate
;
2433 video_enc
->frame_rate_base
= frame_rate_base
;
2435 video_enc
->width
= frame_width
;
2436 video_enc
->height
= frame_height
;
2437 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*frame_height
/frame_width
, 255);
2438 video_enc
->pix_fmt
= frame_pix_fmt
;
2441 video_enc
->gop_size
= gop_size
;
2443 video_enc
->gop_size
= 0;
2444 if (video_qscale
|| same_quality
) {
2445 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
2446 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
2450 video_enc
->intra_matrix
= intra_matrix
;
2452 video_enc
->inter_matrix
= inter_matrix
;
2455 video_enc
->flags
|= CODEC_FLAG_BITEXACT
;
2457 video_enc
->mb_decision
= mb_decision
;
2458 video_enc
->mb_cmp
= mb_cmp
;
2459 video_enc
->ildct_cmp
= ildct_cmp
;
2460 video_enc
->me_sub_cmp
= sub_cmp
;
2461 video_enc
->me_cmp
= cmp
;
2462 video_enc
->me_pre_cmp
= pre_cmp
;
2463 video_enc
->pre_me
= pre_me
;
2464 video_enc
->lumi_masking
= lumi_mask
;
2465 video_enc
->dark_masking
= dark_mask
;
2466 video_enc
->spatial_cplx_masking
= scplx_mask
;
2467 video_enc
->temporal_cplx_masking
= tcplx_mask
;
2468 video_enc
->p_masking
= p_mask
;
2469 video_enc
->quantizer_noise_shaping
= qns
;
2472 video_enc
->flags
|= CODEC_FLAG_H263P_UMV
;
2475 video_enc
->flags
|= CODEC_FLAG_H263P_AIC
;
2478 video_enc
->flags
|= CODEC_FLAG_H263P_AIV
;
2481 video_enc
->flags
|= CODEC_FLAG_4MV
;
2484 video_enc
->flags
|= CODEC_FLAG_OBMC
;
2488 video_enc
->flags
|= CODEC_FLAG_PART
;
2491 video_enc
->flags
|= CODEC_FLAG_ALT_SCAN
;
2494 video_enc
->flags
|= CODEC_FLAG_TRELLIS_QUANT
;
2496 if (use_scan_offset
) {
2497 video_enc
->flags
|= CODEC_FLAG_SVCD_SCAN_OFFSET
;
2500 video_enc
->flags
|= CODEC_FLAG_CLOSED_GOP
;
2503 video_enc
->max_b_frames
= b_frames
;
2504 video_enc
->b_frame_strategy
= 0;
2505 video_enc
->b_quant_factor
= 2.0;
2507 if (do_interlace_dct
) {
2508 video_enc
->flags
|= CODEC_FLAG_INTERLACED_DCT
;
2510 if (do_interlace_me
) {
2511 video_enc
->flags
|= CODEC_FLAG_INTERLACED_ME
;
2513 video_enc
->qmin
= video_qmin
;
2514 video_enc
->qmax
= video_qmax
;
2515 video_enc
->mb_qmin
= video_mb_qmin
;
2516 video_enc
->mb_qmax
= video_mb_qmax
;
2517 video_enc
->max_qdiff
= video_qdiff
;
2518 video_enc
->qblur
= video_qblur
;
2519 video_enc
->qcompress
= video_qcomp
;
2520 video_enc
->rc_eq
= video_rc_eq
;
2521 video_enc
->debug
= debug
;
2522 video_enc
->debug_mv
= debug_mv
;
2523 video_enc
->thread_count
= thread_count
;
2524 p
= video_rc_override_string
;
2527 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
2529 fprintf(stderr
, "error parsing rc_override\n");
2532 video_enc
->rc_override
=
2533 av_realloc(video_enc
->rc_override
,
2534 sizeof(RcOverride
)*(i
+1));
2535 video_enc
->rc_override
[i
].start_frame
= start
;
2536 video_enc
->rc_override
[i
].end_frame
= end
;
2538 video_enc
->rc_override
[i
].qscale
= q
;
2539 video_enc
->rc_override
[i
].quality_factor
= 1.0;
2542 video_enc
->rc_override
[i
].qscale
= 0;
2543 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
2548 video_enc
->rc_override_count
=i
;
2550 video_enc
->rc_max_rate
= video_rc_max_rate
;
2551 video_enc
->rc_min_rate
= video_rc_min_rate
;
2552 video_enc
->rc_buffer_size
= video_rc_buffer_size
;
2553 video_enc
->rc_buffer_aggressivity
= video_rc_buffer_aggressivity
;
2554 video_enc
->rc_initial_cplx
= video_rc_initial_cplx
;
2555 video_enc
->i_quant_factor
= video_i_qfactor
;
2556 video_enc
->b_quant_factor
= video_b_qfactor
;
2557 video_enc
->i_quant_offset
= video_i_qoffset
;
2558 video_enc
->b_quant_offset
= video_b_qoffset
;
2559 video_enc
->intra_quant_bias
= video_intra_quant_bias
;
2560 video_enc
->inter_quant_bias
= video_inter_quant_bias
;
2561 video_enc
->dct_algo
= dct_algo
;
2562 video_enc
->idct_algo
= idct_algo
;
2563 video_enc
->strict_std_compliance
= strict
;
2564 video_enc
->error_rate
= error_rate
;
2565 video_enc
->noise_reduction
= noise_reduction
;
2566 video_enc
->scenechange_threshold
= sc_threshold
;
2568 video_enc
->rtp_mode
= 1;
2569 video_enc
->rtp_payload_size
= packet_size
;
2573 video_enc
->flags
|= CODEC_FLAG_PSNR
;
2575 video_enc
->me_method
= me_method
;
2580 video_enc
->flags
|= CODEC_FLAG_PASS1
;
2582 video_enc
->flags
|= CODEC_FLAG_PASS2
;
2586 oc
->streams
[nb_streams
] = st
;
2591 AVCodecContext
*audio_enc
;
2593 st
= av_mallocz(sizeof(AVStream
));
2595 fprintf(stderr
, "Could not alloc stream\n");
2598 avcodec_get_context_defaults(&st
->codec
);
2599 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2601 avcodec_thread_init(&st
->codec
, thread_count
);
2604 audio_enc
= &st
->codec
;
2605 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
2607 if(!strcmp(file_oformat
->name
, "mp4") || !strcmp(file_oformat
->name
, "mov") || !strcmp(file_oformat
->name
, "3gp"))
2608 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2609 if (audio_stream_copy
) {
2610 st
->stream_copy
= 1;
2612 codec_id
= file_oformat
->audio_codec
;
2613 if (audio_codec_id
!= CODEC_ID_NONE
)
2614 codec_id
= audio_codec_id
;
2615 audio_enc
->codec_id
= codec_id
;
2617 audio_enc
->bit_rate
= audio_bit_rate
;
2618 audio_enc
->sample_rate
= audio_sample_rate
;
2619 audio_enc
->strict_std_compliance
= strict
;
2620 audio_enc
->thread_count
= thread_count
;
2621 /* For audio codecs other than AC3 we limit */
2622 /* the number of coded channels to stereo */
2623 if (audio_channels
> 2 && codec_id
!= CODEC_ID_AC3
) {
2624 audio_enc
->channels
= 2;
2626 audio_enc
->channels
= audio_channels
;
2628 oc
->streams
[nb_streams
] = st
;
2632 oc
->nb_streams
= nb_streams
;
2635 fprintf(stderr
, "No audio or video streams available\n");
2640 pstrcpy(oc
->title
, sizeof(oc
->title
), str_title
);
2642 pstrcpy(oc
->author
, sizeof(oc
->author
), str_author
);
2644 pstrcpy(oc
->copyright
, sizeof(oc
->copyright
), str_copyright
);
2646 pstrcpy(oc
->comment
, sizeof(oc
->comment
), str_comment
);
2649 output_files
[nb_output_files
++] = oc
;
2651 strcpy(oc
->filename
, filename
);
2653 /* check filename in case of an image number is expected */
2654 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
2655 if (filename_number_test(oc
->filename
) < 0) {
2656 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
2661 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
2662 /* test if it already exists to avoid loosing precious files */
2663 if (!file_overwrite
&&
2664 (strchr(filename
, ':') == NULL
||
2665 strstart(filename
, "file:", NULL
))) {
2666 if (url_exist(filename
)) {
2669 if ( !using_stdin
) {
2670 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
2673 if (toupper(c
) != 'Y') {
2674 fprintf(stderr
, "Not overwriting - exiting\n");
2679 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
2686 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
2687 fprintf(stderr
, "Could not open '%s'\n", filename
);
2692 memset(ap
, 0, sizeof(*ap
));
2693 ap
->image_format
= image_format
;
2694 if (av_set_parameters(oc
, ap
) < 0) {
2695 fprintf(stderr
, "%s: Invalid encoding parameters\n",
2700 /* reset some options */
2701 file_oformat
= NULL
;
2702 file_iformat
= NULL
;
2703 image_format
= NULL
;
2706 audio_codec_id
= CODEC_ID_NONE
;
2707 video_codec_id
= CODEC_ID_NONE
;
2708 audio_stream_copy
= 0;
2709 video_stream_copy
= 0;
2712 /* prepare dummy protocols for grab */
2713 static void prepare_grab(void)
2715 int has_video
, has_audio
, i
, j
;
2716 AVFormatContext
*oc
;
2717 AVFormatContext
*ic
;
2718 AVFormatParameters vp1
, *vp
= &vp1
;
2719 AVFormatParameters ap1
, *ap
= &ap1
;
2721 /* see if audio/video inputs are needed */
2724 memset(ap
, 0, sizeof(*ap
));
2725 memset(vp
, 0, sizeof(*vp
));
2726 for(j
=0;j
<nb_output_files
;j
++) {
2727 oc
= output_files
[j
];
2728 for(i
=0;i
<oc
->nb_streams
;i
++) {
2729 AVCodecContext
*enc
= &oc
->streams
[i
]->codec
;
2730 switch(enc
->codec_type
) {
2731 case CODEC_TYPE_AUDIO
:
2732 if (enc
->sample_rate
> ap
->sample_rate
)
2733 ap
->sample_rate
= enc
->sample_rate
;
2734 if (enc
->channels
> ap
->channels
)
2735 ap
->channels
= enc
->channels
;
2738 case CODEC_TYPE_VIDEO
:
2739 if (enc
->width
> vp
->width
)
2740 vp
->width
= enc
->width
;
2741 if (enc
->height
> vp
->height
)
2742 vp
->height
= enc
->height
;
2744 assert(enc
->frame_rate_base
== DEFAULT_FRAME_RATE_BASE
);
2745 if (enc
->frame_rate
> vp
->frame_rate
){
2746 vp
->frame_rate
= enc
->frame_rate
;
2747 vp
->frame_rate_base
= enc
->frame_rate_base
;
2757 if (has_video
== 0 && has_audio
== 0) {
2758 fprintf(stderr
, "Output file must have at least one audio or video stream\n");
2763 AVInputFormat
*fmt1
;
2764 fmt1
= av_find_input_format(video_grab_format
);
2765 vp
->device
= video_device
;
2766 vp
->channel
= video_channel
;
2767 vp
->standard
= video_standard
;
2768 if (av_open_input_file(&ic
, "", fmt1
, 0, vp
) < 0) {
2769 fprintf(stderr
, "Could not find video grab device\n");
2772 /* If not enough info to get the stream parameters, we decode the
2773 first frames to get it. */
2774 if ((ic
->ctx_flags
& AVFMTCTX_NOHEADER
) && av_find_stream_info(ic
) < 0) {
2775 fprintf(stderr
, "Could not find video grab parameters\n");
2778 /* by now video grab has one stream */
2779 ic
->streams
[0]->r_frame_rate
= vp
->frame_rate
;
2780 ic
->streams
[0]->r_frame_rate_base
= vp
->frame_rate_base
;
2781 input_files
[nb_input_files
] = ic
;
2782 dump_format(ic
, nb_input_files
, "", 0);
2785 if (has_audio
&& audio_grab_format
) {
2786 AVInputFormat
*fmt1
;
2787 fmt1
= av_find_input_format(audio_grab_format
);
2788 ap
->device
= audio_device
;
2789 if (av_open_input_file(&ic
, "", fmt1
, 0, ap
) < 0) {
2790 fprintf(stderr
, "Could not find audio grab device\n");
2793 input_files
[nb_input_files
] = ic
;
2794 dump_format(ic
, nb_input_files
, "", 0);
2799 /* same option as mencoder */
2800 static void opt_pass(const char *pass_str
)
2803 pass
= atoi(pass_str
);
2804 if (pass
!= 1 && pass
!= 2) {
2805 fprintf(stderr
, "pass number can be only 1 or 2\n");
2811 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2812 static int64_t getutime(void)
2814 return av_gettime();
2817 static int64_t getutime(void)
2819 struct rusage rusage
;
2821 getrusage(RUSAGE_SELF
, &rusage
);
2822 return (rusage
.ru_utime
.tv_sec
* 1000000LL) + rusage
.ru_utime
.tv_usec
;
2826 extern int ffm_nopts
;
2828 static void opt_bitexact(void)
2831 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2835 static void show_formats(void)
2837 AVInputFormat
*ifmt
;
2838 AVOutputFormat
*ofmt
;
2839 AVImageFormat
*image_fmt
;
2844 printf("Output audio/video file formats:");
2845 for(ofmt
= first_oformat
; ofmt
!= NULL
; ofmt
= ofmt
->next
) {
2846 printf(" %s", ofmt
->name
);
2850 printf("Input audio/video file formats:");
2851 for(ifmt
= first_iformat
; ifmt
!= NULL
; ifmt
= ifmt
->next
) {
2852 printf(" %s", ifmt
->name
);
2856 printf("Output image formats:");
2857 for(image_fmt
= first_image_format
; image_fmt
!= NULL
;
2858 image_fmt
= image_fmt
->next
) {
2859 if (image_fmt
->img_write
)
2860 printf(" %s", image_fmt
->name
);
2864 printf("Input image formats:");
2865 for(image_fmt
= first_image_format
; image_fmt
!= NULL
;
2866 image_fmt
= image_fmt
->next
) {
2867 if (image_fmt
->img_read
)
2868 printf(" %s", image_fmt
->name
);
2872 printf("Codecs:\n");
2873 printf(" Encoders:");
2874 for(p
= first_avcodec
; p
!= NULL
; p
= p
->next
) {
2876 printf(" %s", p
->name
);
2880 printf(" Decoders:");
2881 for(p
= first_avcodec
; p
!= NULL
; p
= p
->next
) {
2883 printf(" %s", p
->name
);
2887 printf("Supported file protocols:");
2888 for(up
= first_protocol
; up
!= NULL
; up
= up
->next
)
2889 printf(" %s:", up
->name
);
2892 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2893 printf("Motion estimation methods:");
2897 if ((pp
- motion_str
+ 1) == ME_ZERO
)
2898 printf("(fastest)");
2899 else if ((pp
- motion_str
+ 1) == ME_FULL
)
2900 printf("(slowest)");
2901 else if ((pp
- motion_str
+ 1) == ME_EPZS
)
2902 printf("(default)");
2909 void parse_matrix_coeffs(uint16_t *dest
, const char *str
)
2912 const char *p
= str
;
2919 fprintf(stderr
, "Syntax error in matrix \"%s\" at coeff %d\n", str
, i
);
2926 void opt_inter_matrix(const char *arg
)
2928 inter_matrix
= av_mallocz(sizeof(uint16_t) * 64);
2929 parse_matrix_coeffs(inter_matrix
, arg
);
2932 void opt_intra_matrix(const char *arg
)
2934 intra_matrix
= av_mallocz(sizeof(uint16_t) * 64);
2935 parse_matrix_coeffs(intra_matrix
, arg
);
2938 static void opt_target(const char *arg
)
2942 if(!strncmp(arg
, "pal-", 4)) {
2945 } else if(!strncmp(arg
, "ntsc-", 5)) {
2950 /* Calculate FR via float to avoid int overflow */
2951 fr
= (int)(frame_rate
* 1000.0 / frame_rate_base
);
2954 } else if((fr
== 29970) || (fr
== 23976)) {
2957 /* Try to determine PAL/NTSC by peeking in the input files */
2958 if(nb_input_files
) {
2960 for(j
= 0; j
< nb_input_files
; j
++) {
2961 for(i
= 0; i
< input_files
[j
]->nb_streams
; i
++) {
2962 AVCodecContext
*c
= &input_files
[j
]->streams
[i
]->codec
;
2963 if(c
->codec_type
!= CODEC_TYPE_VIDEO
)
2965 fr
= c
->frame_rate
* 1000 / c
->frame_rate_base
;
2969 } else if((fr
== 29970) || (fr
== 23976)) {
2979 if(verbose
&& norm
>= 0)
2980 printf("Assuming %s for target.\n", norm ?
"NTSC" : "PAL");
2984 fprintf(stderr
, "Could not determine norm (PAL/NTSC) for target.\n");
2985 fprintf(stderr
, "Please prefix target with \"pal-\" or \"ntsc-\",\n");
2986 fprintf(stderr
, "or set a framerate with \"-r xxx\".\n");
2990 if(!strcmp(arg
, "vcd")) {
2992 opt_video_codec("mpeg1video");
2993 opt_audio_codec("mp2");
2996 opt_frame_size(norm ?
"352x240" : "352x288");
2998 video_bit_rate
= 1150000;
2999 video_rc_max_rate
= 1150000;
3000 video_rc_min_rate
= 1150000;
3001 video_rc_buffer_size
= 40*1024*8;
3003 audio_bit_rate
= 224000;
3004 audio_sample_rate
= 44100;
3006 } else if(!strcmp(arg
, "svcd")) {
3008 opt_video_codec("mpeg2video");
3009 opt_audio_codec("mp2");
3012 opt_frame_size(norm ?
"480x480" : "480x576");
3013 opt_gop_size(norm ?
"18" : "15");
3015 video_bit_rate
= 2040000;
3016 video_rc_max_rate
= 2516000;
3017 video_rc_min_rate
= 0; //1145000;
3018 video_rc_buffer_size
= 224*1024*8;
3019 use_scan_offset
= 1;
3021 audio_bit_rate
= 224000;
3022 audio_sample_rate
= 44100;
3024 } else if(!strcmp(arg
, "dvd")) {
3026 opt_video_codec("mpeg2video");
3027 opt_audio_codec("ac3");
3030 opt_frame_size(norm ?
"720x480" : "720x576");
3031 opt_gop_size(norm ?
"18" : "15");
3033 video_bit_rate
= 6000000;
3034 video_rc_max_rate
= 9000000;
3035 video_rc_min_rate
= 0; //1500000;
3036 video_rc_buffer_size
= 224*1024*8;
3038 audio_bit_rate
= 448000;
3039 audio_sample_rate
= 48000;
3042 fprintf(stderr
, "Unknown target: %s\n", arg
);
3047 const OptionDef options
[] = {
3049 { "L", 0, {(void*)show_license
}, "show license" },
3050 { "h", 0, {(void*)show_help
}, "show help" },
3051 { "formats", 0, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
3052 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3053 { "img", HAS_ARG
, {(void*)opt_image_format
}, "force image format", "img_fmt" },
3054 { "i", HAS_ARG
, {(void*)opt_input_file
}, "input file name", "filename" },
3055 { "y", OPT_BOOL
, {(void*)&file_overwrite
}, "overwrite output files" },
3056 { "map", HAS_ARG
| OPT_EXPERT
, {(void*)opt_map
}, "set input stream mapping", "file:stream" },
3057 { "t", HAS_ARG
, {(void*)opt_recording_time
}, "set the recording time", "duration" },
3058 { "ss", HAS_ARG
, {(void*)opt_start_time
}, "set the start time offset", "time_off" },
3059 { "title", HAS_ARG
| OPT_STRING
, {(void*)&str_title
}, "set the title", "string" },
3060 { "author", HAS_ARG
| OPT_STRING
, {(void*)&str_author
}, "set the author", "string" },
3061 { "copyright", HAS_ARG
| OPT_STRING
, {(void*)&str_copyright
}, "set the copyright", "string" },
3062 { "comment", HAS_ARG
| OPT_STRING
, {(void*)&str_comment
}, "set the comment", "string" },
3063 { "debug", HAS_ARG
| OPT_EXPERT
, {(void*)opt_debug
}, "print specific debug info", "" },
3064 { "vismv", HAS_ARG
| OPT_EXPERT
, {(void*)opt_vismv
}, "visualize motion vectors", "" },
3065 { "benchmark", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_benchmark
},
3066 "add timings for benchmarking" },
3067 { "dump", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_pkt_dump
},
3068 "dump each input packet" },
3069 { "hex", OPT_BOOL
| OPT_EXPERT
, {(void*)&do_hex_dump
},
3070 "when dumping packets, also dump the payload" },
3071 { "bitexact", OPT_EXPERT
, {(void*)opt_bitexact
}, "only use bit exact algorithms (for codec testing)" },
3072 { "re", OPT_BOOL
| OPT_EXPERT
, {(void*)&rate_emu
}, "read input at native frame rate", "" },
3073 { "loop", OPT_BOOL
| OPT_EXPERT
, {(void*)&loop_input
}, "loop (current only works with images)" },
3074 { "v", HAS_ARG
, {(void*)opt_verbose
}, "control amount of logging", "verbose" },
3075 { "target", HAS_ARG
, {(void*)opt_target
}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
3076 { "threads", HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3079 { "b", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_bitrate
}, "set video bitrate (in kbit/s)", "bitrate" },
3080 { "r", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_rate
}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3081 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3082 { "aspect", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_aspect_ratio
}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3083 { "pix_fmt", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_frame_pix_fmt
}, "set pixel format", "format" },
3084 { "croptop", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_top
}, "set top crop band size (in pixels)", "size" },
3085 { "cropbottom", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_bottom
}, "set bottom crop band size (in pixels)", "size" },
3086 { "cropleft", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_left
}, "set left crop band size (in pixels)", "size" },
3087 { "cropright", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_crop_right
}, "set right crop band size (in pixels)", "size" },
3088 { "g", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_gop_size
}, "set the group of picture size", "gop_size" },
3089 { "intra", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&intra_only
}, "use only intra frames"},
3090 { "vn", OPT_BOOL
| OPT_VIDEO
, {(void*)&video_disable
}, "disable video" },
3091 { "qscale", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qscale
}, "use fixed video quantiser scale (VBR)", "q" },
3092 { "qmin", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qmin
}, "min video quantiser scale (VBR)", "q" },
3093 { "qmax", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qmax
}, "max video quantiser scale (VBR)", "q" },
3094 { "mbqmin", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_mb_qmin
}, "min macroblock quantiser scale (VBR)", "q" },
3095 { "mbqmax", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_mb_qmax
}, "max macroblock quantiser scale (VBR)", "q" },
3096 { "qdiff", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qdiff
}, "max difference between the quantiser scale (VBR)", "q" },
3097 { "qblur", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qblur
}, "video quantiser scale blur (VBR)", "blur" },
3098 { "qcomp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qcomp
}, "video quantiser scale compression (VBR)", "compression" },
3099 { "rc_init_cplx", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_rc_initial_cplx
}, "initial complexity for 1-pass encoding", "complexity" },
3100 { "b_qfactor", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_b_qfactor
}, "qp factor between p and b frames", "factor" },
3101 { "i_qfactor", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_i_qfactor
}, "qp factor between p and i frames", "factor" },
3102 { "b_qoffset", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_b_qoffset
}, "qp offset between p and b frames", "offset" },
3103 { "i_qoffset", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_i_qoffset
}, "qp offset between p and i frames", "offset" },
3104 { "ibias", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_ibias
}, "intra quant bias", "bias" },
3105 { "pbias", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_pbias
}, "inter quant bias", "bias" },
3106 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
3107 { "rc_eq", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_eq
}, "set rate control equation", "equation" },
3108 { "rc_override", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_video_rc_override_string
}, "rate control override for specific intervals", "override" },
3109 { "bt", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_bitrate_tolerance
}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
3110 { "maxrate", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_bitrate_max
}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
3111 { "minrate", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_bitrate_min
}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
3112 { "bufsize", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_buffer_size
}, "set ratecontrol buffere size (in kByte)", "size" },
3113 { "vcodec", HAS_ARG
| OPT_VIDEO
, {(void*)opt_video_codec
}, "force video codec ('copy' to copy stream)", "codec" },
3114 { "me", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_motion_estimation
}, "set motion estimation method",
3116 { "dct_algo", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_dct_algo
}, "set dct algo", "algo" },
3117 { "idct_algo", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_idct_algo
}, "set idct algo", "algo" },
3118 { "er", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_error_resilience
}, "set error resilience", "n" },
3119 { "ec", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_error_concealment
}, "set error concealment", "bit_mask" },
3120 { "bf", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_b_frames
}, "use 'frames' B frames", "frames" },
3121 { "hq", OPT_BOOL
, {(void*)&mb_decision
}, "activate high quality settings" },
3122 { "mbd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_mb_decision
}, "macroblock decision", "mode" },
3123 { "mbcmp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_mb_cmp
}, "macroblock compare function", "cmp function" },
3124 { "ildctcmp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_ildct_cmp
}, "ildct compare function", "cmp function" },
3125 { "subcmp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_sub_cmp
}, "subpel compare function", "cmp function" },
3126 { "cmp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_cmp
}, "fullpel compare function", "cmp function" },
3127 { "precmp", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_pre_cmp
}, "pre motion estimation compare function", "cmp function" },
3128 { "preme", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_pre_me
}, "pre motion estimation", "" },
3129 { "lumi_mask", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_lumi_mask
}, "luminance masking", "" },
3130 { "dark_mask", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_dark_mask
}, "darkness masking", "" },
3131 { "scplx_mask", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_scplx_mask
}, "spatial complexity masking", "" },
3132 { "tcplx_mask", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_tcplx_mask
}, "teporal complexity masking", "" },
3133 { "p_mask", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_p_mask
}, "inter masking", "" },
3134 { "4mv", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_4mv
}, "use four motion vector by macroblock (MPEG4)" },
3135 { "obmc", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_obmc
}, "use overlapped block motion compensation (h263+)" },
3136 { "part", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_part
}, "use data partitioning (MPEG4)" },
3137 { "bug", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_workaround_bugs
}, "workaround not auto detected encoder bugs", "param" },
3138 { "ps", HAS_ARG
| OPT_EXPERT
, {(void*)opt_packet_size
}, "set packet size in bits", "size" },
3139 { "error", HAS_ARG
| OPT_EXPERT
, {(void*)opt_error_rate
}, "error rate", "rate" },
3140 { "strict", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_strict
}, "how strictly to follow the standarts", "strictness" },
3141 { "sameq", OPT_BOOL
| OPT_VIDEO
, {(void*)&same_quality
},
3142 "use same video quality as source (implies VBR)" },
3143 { "pass", HAS_ARG
| OPT_VIDEO
, {(void*)&opt_pass
}, "select the pass number (1 or 2)", "n" },
3144 { "passlogfile", HAS_ARG
| OPT_STRING
| OPT_VIDEO
, {(void*)&pass_logfilename
}, "select two pass log file name", "file" },
3145 { "deinterlace", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_deinterlace
},
3146 "deinterlace pictures" },
3147 { "ildct", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_interlace_dct
},
3148 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
3149 { "ilme", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_interlace_me
},
3150 "force interlacied me support in encoder MPEG2" },
3151 { "psnr", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_psnr
}, "calculate PSNR of compressed frames" },
3152 { "vstats", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&do_vstats
}, "dump video coding statistics to file" },
3153 { "vhook", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)add_frame_hooker
}, "insert video processing module", "module" },
3154 { "aic", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_aic
}, "enable Advanced intra coding (h263+)" },
3155 { "aiv", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_aiv
}, "enable Alternative inter vlc (h263+)" },
3156 { "umv", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_umv
}, "enable Unlimited Motion Vector (h263+)" },
3157 { "alt", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_alt_scan
}, "enable alternate scantable (mpeg2)" },
3158 { "trell", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_trell
}, "enable trellis quantization" },
3159 { "cgop", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&closed_gop
}, "closed gop" },
3160 { "scan_offset", OPT_BOOL
| OPT_EXPERT
| OPT_VIDEO
, {(void*)&use_scan_offset
}, "enable SVCD Scan Offset placeholder" },
3161 { "intra_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_intra_matrix
}, "specify intra matrix coeffs", "matrix" },
3162 { "inter_matrix", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_inter_matrix
}, "specify inter matrix coeffs", "matrix" },
3163 { "top", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_top_field_first
}, "top=1/bottom=0/auto=-1 field first", "" },
3164 { "nr", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_noise_reduction
}, "noise reduction", "" },
3165 { "qns", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_qns
}, "quantization noise shaping", "" },
3166 { "sc_threshold", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_sc_threshold
}, "scene change threshold", "threshold" },
3169 { "ab", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_bitrate
}, "set audio bitrate (in kbit/s)", "bitrate", },
3170 { "ar", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_rate
}, "set audio sampling rate (in Hz)", "rate" },
3171 { "ac", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_channels
}, "set number of audio channels", "channels" },
3172 { "an", OPT_BOOL
| OPT_AUDIO
, {(void*)&audio_disable
}, "disable audio" },
3173 { "acodec", HAS_ARG
| OPT_AUDIO
, {(void*)opt_audio_codec
}, "force audio codec ('copy' to copy stream)", "codec" },
3176 { "vd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_device
}, "set video grab device", "device" },
3177 { "vc", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_channel
}, "set video grab channel (DV1394 only)", "channel" },
3178 { "tvstd", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
| OPT_GRAB
, {(void*)opt_video_standard
}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3179 { "dv1394", OPT_EXPERT
| OPT_GRAB
, {(void*)opt_dv1394
}, "set DV1394 grab", "" },
3180 { "ad", HAS_ARG
| OPT_EXPERT
| OPT_AUDIO
| OPT_GRAB
, {(void*)opt_audio_device
}, "set audio device", "device" },
3184 static void show_banner(void)
3186 printf("ffmpeg version " FFMPEG_VERSION
", Copyright (c) 2000-2003 Fabrice Bellard\n");
3189 static void show_license(void)
3193 "This library is free software; you can redistribute it and/or\n"
3194 "modify it under the terms of the GNU Lesser General Public\n"
3195 "License as published by the Free Software Foundation; either\n"
3196 "version 2 of the License, or (at your option) any later version.\n"
3198 "This library is distributed in the hope that it will be useful,\n"
3199 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3200 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3201 "Lesser General Public License for more details.\n"
3203 "You should have received a copy of the GNU Lesser General Public\n"
3204 "License along with this library; if not, write to the Free Software\n"
3205 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
3210 static void show_help(void)