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Code Issues Releases Activity

avfilter/blend_modes: unbreak interpolate mode for float format

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This commit is contained in:
Paul B Mahol 2022-02-14 15:53:12 +01:00
parent 9e11a7e193
commit f1daa3b120
1 changed files with 4 additions and 1 deletions
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5
libavfilter/blend_modes.c
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@ -56,6 +56,7 @@
#undef INT2FLOAT
#undef FLOAT2INT
#undef MDIV
#undef LRINTF
#if DEPTH < 32
#define MULTIPLY(x, a, b) ((x) * (((a) * (b)) / MAX))
@ -66,6 +67,7 @@
#define INT2FLOAT(x) (x)
#define FLOAT2INT(x) (x)
#define MDIV (0.125f * (1 << DEPTH))
#define LRINTF(x) lrintf(x)
#else
#define MULTIPLY(x, a, b) ((x) * (((a) * (b)) / 1.0))
#define SCREEN(x, a, b) (1.0 - (x) * ((1.0 - (a)) * (1.0 - (b)) / 1.0))
@ -75,6 +77,7 @@
#define INT2FLOAT(x) av_int2float(x)
#define FLOAT2INT(x) av_float2int(x)
#define MDIV 0.125f
#define LRINTF(x) (x)
#endif
#define A top[j]
@ -147,5 +150,5 @@ fn(geometric, GEOMETRIC(A, B))
fn(harmonic, A == 0 && B == 0 ? 0 : 2LL * A * B / (A + B))
fn(bleach, (MAX - B) + (MAX - A) - MAX)
fn(stain, 2 * MAX - A - B)
fn(interpolate,lrintf(MAX * (2 - cosf(A * M_PI / MAX) - cosf(B * M_PI / MAX)) * 0.25f))
fn(interpolate,LRINTF(MAX * (2 - cosf(A * M_PI / MAX) - cosf(B * M_PI / MAX)) * 0.25f))
fn(hardoverlay,A == MAX ? MAX : FFMIN(MAX, MAX * B / (2 * MAX - 2 * A) * (A > HALF) + 2 * A * B / MAX * (A <= HALF)))