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Linshizhi
ffmpeg.wasm-core
Commits
9ce3d03f
Commit
9ce3d03f
authored
May 20, 2012
by
Michael Niedermayer
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ffmpeg: cosmetics to reduce difference to qatar by 101 lines
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
3ba90d9e
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1 changed file
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44 additions
and
43 deletions
+44
-43
ffmpeg.c
ffmpeg.c
+44
-43
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ffmpeg.c
View file @
9ce3d03f
...
...
@@ -438,6 +438,8 @@ typedef struct OptionsContext {
int
nb_filters
;
}
OptionsContext
;
static
void
do_video_stats
(
AVFormatContext
*
os
,
OutputStream
*
ost
,
int
frame_size
);
#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
{\
int i, ret;\
...
...
@@ -1912,49 +1914,6 @@ static void do_subtitle_out(AVFormatContext *s,
}
}
static
double
psnr
(
double
d
)
{
return
-
10
.
0
*
log
(
d
)
/
log
(
10
.
0
);
}
static
void
do_video_stats
(
AVFormatContext
*
os
,
OutputStream
*
ost
,
int
frame_size
)
{
AVCodecContext
*
enc
;
int
frame_number
;
double
ti1
,
bitrate
,
avg_bitrate
;
/* this is executed just the first time do_video_stats is called */
if
(
!
vstats_file
)
{
vstats_file
=
fopen
(
vstats_filename
,
"w"
);
if
(
!
vstats_file
)
{
perror
(
"fopen"
);
exit_program
(
1
);
}
}
enc
=
ost
->
st
->
codec
;
if
(
enc
->
codec_type
==
AVMEDIA_TYPE_VIDEO
)
{
frame_number
=
ost
->
frame_number
;
fprintf
(
vstats_file
,
"frame= %5d q= %2.1f "
,
frame_number
,
enc
->
coded_frame
->
quality
/
(
float
)
FF_QP2LAMBDA
);
if
(
enc
->
flags
&
CODEC_FLAG_PSNR
)
fprintf
(
vstats_file
,
"PSNR= %6.2f "
,
psnr
(
enc
->
coded_frame
->
error
[
0
]
/
(
enc
->
width
*
enc
->
height
*
255
.
0
*
255
.
0
)));
fprintf
(
vstats_file
,
"f_size= %6d "
,
frame_size
);
/* compute pts value */
ti1
=
ost
->
sync_opts
*
av_q2d
(
enc
->
time_base
);
if
(
ti1
<
0
.
01
)
ti1
=
0
.
01
;
bitrate
=
(
frame_size
*
8
)
/
av_q2d
(
enc
->
time_base
)
/
1000
.
0
;
avg_bitrate
=
(
double
)(
video_size
*
8
)
/
ti1
/
1000
.
0
;
fprintf
(
vstats_file
,
"s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s "
,
(
double
)
video_size
/
1024
,
ti1
,
bitrate
,
avg_bitrate
);
fprintf
(
vstats_file
,
"type= %c
\n
"
,
av_get_picture_type_char
(
enc
->
coded_frame
->
pict_type
));
}
}
static
void
do_video_out
(
AVFormatContext
*
s
,
OutputStream
*
ost
,
AVFrame
*
in_picture
,
float
quality
)
{
...
...
@@ -2111,6 +2070,48 @@ duplicate_frame:
do_video_stats
(
output_files
[
ost
->
file_index
]
->
ctx
,
ost
,
frame_size
);
}
static
double
psnr
(
double
d
)
{
return
-
10
.
0
*
log
(
d
)
/
log
(
10
.
0
);
}
static
void
do_video_stats
(
AVFormatContext
*
os
,
OutputStream
*
ost
,
int
frame_size
)
{
AVCodecContext
*
enc
;
int
frame_number
;
double
ti1
,
bitrate
,
avg_bitrate
;
/* this is executed just the first time do_video_stats is called */
if
(
!
vstats_file
)
{
vstats_file
=
fopen
(
vstats_filename
,
"w"
);
if
(
!
vstats_file
)
{
perror
(
"fopen"
);
exit_program
(
1
);
}
}
enc
=
ost
->
st
->
codec
;
if
(
enc
->
codec_type
==
AVMEDIA_TYPE_VIDEO
)
{
frame_number
=
ost
->
frame_number
;
fprintf
(
vstats_file
,
"frame= %5d q= %2.1f "
,
frame_number
,
enc
->
coded_frame
->
quality
/
(
float
)
FF_QP2LAMBDA
);
if
(
enc
->
flags
&
CODEC_FLAG_PSNR
)
fprintf
(
vstats_file
,
"PSNR= %6.2f "
,
psnr
(
enc
->
coded_frame
->
error
[
0
]
/
(
enc
->
width
*
enc
->
height
*
255
.
0
*
255
.
0
)));
fprintf
(
vstats_file
,
"f_size= %6d "
,
frame_size
);
/* compute pts value */
ti1
=
ost
->
sync_opts
*
av_q2d
(
enc
->
time_base
);
if
(
ti1
<
0
.
01
)
ti1
=
0
.
01
;
bitrate
=
(
frame_size
*
8
)
/
av_q2d
(
enc
->
time_base
)
/
1000
.
0
;
avg_bitrate
=
(
double
)(
video_size
*
8
)
/
ti1
/
1000
.
0
;
fprintf
(
vstats_file
,
"s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s "
,
(
double
)
video_size
/
1024
,
ti1
,
bitrate
,
avg_bitrate
);
fprintf
(
vstats_file
,
"type= %c
\n
"
,
av_get_picture_type_char
(
enc
->
coded_frame
->
pict_type
));
}
}
/* check for new output on any of the filtergraphs */
static
int
poll_filters
(
void
)
{
...
...
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