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avfilter/vf_lut2: also export video input bit depth 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-09-16 12:35:55 +02:00
parent 51000b9945
commit 5b509fafb0
2 changed files with 12 additions and 0 deletions
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6
doc/filters.texi
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@ -9352,6 +9352,12 @@ The first input value for the pixel component.
@item y
The second input value for the pixel component.
@item bdx
The first input video bit depth.
@item bdy
The second input video bit depth.
@end table
All expressions default to "x".

6
libavfilter/vf_lut2.c
View File

@ -35,6 +35,8 @@ static const char *const var_names[] = {
"h", ///< height of the input video
"x", ///< input value for the pixel from input #1
"y", ///< input value for the pixel from input #2
"bdx", ///< input #1 video bitdepth
"bdy", ///< input #2 video bitdepth
NULL
};
@ -43,6 +45,8 @@ enum var_name {
VAR_H,
VAR_X,
VAR_Y,
VAR_BITDEPTHX,
VAR_BITDEPTHY,
VAR_VARS_NB
};
@ -127,6 +131,7 @@ static int config_inputx(AVFilterLink *inlink)
s->var_values[VAR_W] = inlink->w;
s->var_values[VAR_H] = inlink->h;
s->depthx = desc->comp[0].depth;
s->var_values[VAR_BITDEPTHX] = s->depthx;
return 0;
}
@ -138,6 +143,7 @@ static int config_inputy(AVFilterLink *inlink)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
s->depthy = desc->comp[0].depth;
s->var_values[VAR_BITDEPTHY] = s->depthy;
return 0;
}