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ffmpeg.wasm-core
Commit 3b2e99fe authored by Michael Niedermayer's avatar Michael Niedermayer
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avfilter/vf_perspective: factor u cliping code 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent c11c1801
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Showing with 4 additions and 8 deletions
libavfilter/vf_perspective.c
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...@@ -301,19 +301,15 @@ static void resample_linear(PerspectiveContext *s, ...@@ -301,19 +301,15 @@ static void resample_linear(PerspectiveContext *s,
sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS; sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS;
} }
} else { } else {
if (u < 0)
u = 0;
else
u = w - 1;
if ((unsigned)v < (unsigned)(h - 1)){ if ((unsigned)v < (unsigned)(h - 1)){
if (u < 0)
u = 0;
else
u = w - 1;
index = u + v * src_linesize; index = u + v * src_linesize;
sum = subVI * src[index] + subV * src[index + src_linesize]; sum = subVI * src[index] + subV * src[index + src_linesize];
sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS; sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS;
} else { } else {
if (u < 0)
u = 0;
else
u = w - 1;
if (v < 0) if (v < 0)
v = 0; v = 0;
else else
......
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