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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-08-08 23:24:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-08-09 00:03:43 +0200 |
| commit | 3b2e99fe9ec46580165daa233c273579bde1e913 (patch) | |
| tree | 3058b3868423731f8f683532a9186135726036db /libavfilter/vf_perspective.c | |
| parent | c11c180132b3e0038143dc9ba4dfd7287d1509c7 (diff) | |
| download | ffmpeg-3b2e99fe9ec46580165daa233c273579bde1e913.tar.gz | |
avfilter/vf_perspective: factor u cliping code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_perspective.c')
| -rw-r--r-- | libavfilter/vf_perspective.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/libavfilter/vf_perspective.c b/libavfilter/vf_perspective.c index 35b4ea8c12..da8c08982c 100644 --- a/libavfilter/vf_perspective.c +++ b/libavfilter/vf_perspective.c @@ -301,19 +301,15 @@ static void resample_linear(PerspectiveContext *s, sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS; } } else { + if (u < 0) + u = 0; + else + u = w - 1; if ((unsigned)v < (unsigned)(h - 1)){ - if (u < 0) - u = 0; - else - u = w - 1; index = u + v * src_linesize; sum = subVI * src[index] + subV * src[index + src_linesize]; sum = (sum + (1 << (SUB_PIXEL_BITS - 1))) >> SUB_PIXEL_BITS; } else { - if (u < 0) - u = 0; - else - u = w - 1; if (v < 0) v = 0; else |