avfilter/vf_convolution: Use av_clip_uint8()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/172/head
Michael Niedermayer 9 years ago
parent 7fc944df15
commit d863785379
  1. 4
      libavfilter/vf_convolution.c

@ -163,7 +163,7 @@ static void filter_3x3(ConvolutionContext *s, AVFrame *in, AVFrame *out, int pla
p2[x] * matrix[7] + p2[x] * matrix[7] +
p2[x + 1] * matrix[8]; p2[x + 1] * matrix[8];
sum = (int)(sum * rdiv + bias + 0.5f); sum = (int)(sum * rdiv + bias + 0.5f);
dst[x] = av_clip(sum, 0, 255); dst[x] = av_clip_uint8(sum);
} }
p0 = p1; p0 = p1;
@ -218,7 +218,7 @@ static void filter_5x5(ConvolutionContext *s, AVFrame *in, AVFrame *out, int pla
sum += *(array[i] + x) * matrix[i]; sum += *(array[i] + x) * matrix[i];
} }
sum = (int)(sum * rdiv + bias + 0.5f); sum = (int)(sum * rdiv + bias + 0.5f);
dst[x] = av_clip(sum, 0, 255); dst[x] = av_clip_uint8(sum);
} }
p0 = p1; p0 = p1;

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