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avfilter/xbr: use function pointers for xbr[234]x

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This commit is contained in:
Clément Bœsch 2014-11-15 21:18:18 +01:00
parent c4fb79a3db
commit be96201e5b
1 changed files with 7 additions and 6 deletions
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13
libavfilter/vf_xbr.c
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@ -40,9 +40,12 @@
#define RED_BLUE_MASK 0x00FF00FF
#define GREEN_MASK 0x0000FF00
typedef void (*xbrfunc_t)(AVFrame *input, AVFrame *output, const uint32_t *r2y);
typedef struct {
const AVClass *class;
int n;
xbrfunc_t func;
uint32_t rgbtoyuv[1<<24];
} XBRContext;
@ -392,12 +395,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
av_frame_copy_props(out, in);
if (xbr->n == 4)
xbr4x(in, out, r2y);
else if (xbr->n == 3)
xbr3x(in, out, r2y);
else
xbr2x(in, out, r2y);
xbr->func(in, out, r2y);
out->width = outlink->w;
out->height = outlink->h;
@ -409,6 +407,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static int init(AVFilterContext *ctx)
{
XBRContext *xbr = ctx->priv;
static const xbrfunc_t xbrfuncs[] = {xbr2x, xbr3x, xbr4x};
uint32_t c;
int bg, rg, g;
@ -427,6 +427,7 @@ static int init(AVFilterContext *ctx)
}
}
xbr->func = xbrfuncs[xbr->n - 2];
return 0;
}