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Move DitherCombine8x8 to dsp/dec.c

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To be later optimized in SSE2

Change-Id: I0de9c89eb5166f3319bb4b0500150de271ecac05
This commit is contained in:
Pascal Massimino
2016-05-24 23:14:41 -07:00
parent 2ec2de1450
commit 77f21c9c39
3 changed files with 40 additions and 19 deletions
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9
src/dsp/dsp.h
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@ -321,6 +321,15 @@ extern VP8LumaFilterFunc VP8HFilter16i;
extern VP8ChromaFilterFunc VP8VFilter8i; // filtering u and v altogether
extern VP8ChromaFilterFunc VP8HFilter8i;
// Dithering. Combines dithering values (centered around 128) with dst[],
// according to: dst[] = clip(dst[] + (((dither[]-128) + 8) >> 4)
#define VP8_DITHER_DESCALE 4
#define VP8_DITHER_DESCALE_ROUNDER (1 << (VP8_DITHER_DESCALE - 1))
#define VP8_DITHER_AMP_BITS 7
#define VP8_DITHER_AMP_CENTER (1 << VP8_DITHER_AMP_BITS)
extern void (*VP8DitherCombine8x8)(const uint8_t* dither, uint8_t* dst,
int dst_stride);
// must be called before anything using the above
void VP8DspInit(void);