Commit 8045c016 authored by Michael Niedermayer's avatar Michael Niedermayer

sws: Only reset dither state for bitexact mode

the output looks better with a random initial state than
all 0
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent ca447592
......@@ -910,7 +910,7 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
src2[0] = base;
}
if (!srcSliceY && (c->flags & SWS_ERROR_DIFFUSION))
if (!srcSliceY && (c->flags & SWS_BITEXACT) && (c->flags & SWS_ERROR_DIFFUSION))
for (i = 0; i < 4; i++)
memset(c->dither_error[i], 0, sizeof(c->dither_error[0][0]) * (c->dstW+2));
......
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