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postproc: Avoid floats in maxClipped computation

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-31 01:40:12 +02:00
parent ebe919cce2
commit 6f51674c91
3 changed files with 3 additions and 3 deletions
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2
libpostproc/postprocess.c
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@ -681,7 +681,7 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
ppMode->minAllowedY= 16; ppMode->minAllowedY= 16;
ppMode->baseDcDiff= 256/8; ppMode->baseDcDiff= 256/8;
ppMode->flatnessThreshold= 56-16-1; ppMode->flatnessThreshold= 56-16-1;
ppMode->maxClippedThreshold= 0.01; ppMode->maxClippedThreshold= (AVRational){1,100};
ppMode->error=0; ppMode->error=0;
memset(temp, 0, GET_MODE_BUFFER_SIZE); memset(temp, 0, GET_MODE_BUFFER_SIZE);

2
libpostproc/postprocess_internal.h
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@ -99,7 +99,7 @@ typedef struct PPMode{
int minAllowedY; ///< for brightness correction int minAllowedY; ///< for brightness correction
int maxAllowedY; ///< for brightness correction int maxAllowedY; ///< for brightness correction
float maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture
int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences) int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)

2
libpostproc/postprocess_template.c
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@ -3383,7 +3383,7 @@ static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[
} }
/* We always get a completely black picture first. */ /* We always get a completely black picture first. */
maxClipped= (uint64_t)(sum * c.ppMode.maxClippedThreshold); maxClipped= av_rescale(sum, c.ppMode.maxClippedThreshold.num, c.ppMode.maxClippedThreshold.den);
clipped= sum; clipped= sum;
for(black=255; black>0; black--){ for(black=255; black>0; black--){