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introduce a special quantization function for WHT

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WHT is somewhat a special case: no sharpen[] bias, etc.
Will be useful in a later CL when precision of input is changed.

Change-Id: I851b06deb94abdfc1ef00acafb8aa731801b4299
This commit is contained in:
skal
2013-12-10 14:21:47 +01:00
parent 41c0cc4b9a
commit 73b731fb42
4 changed files with 41 additions and 1 deletions
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5
src/dsp/dsp.h
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@ -86,6 +86,11 @@ typedef int (*VP8QuantizeBlock)(int16_t in[16], int16_t out[16],
int n, const struct VP8Matrix* const mtx);
extern VP8QuantizeBlock VP8EncQuantizeBlock;
// specific to 2nd transform:
typedef int (*VP8QuantizeBlockWHT)(int16_t in[16], int16_t out[16],
const struct VP8Matrix* const mtx);
extern VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT;
// Collect histogram for susceptibility calculation and accumulate in histo[].
struct VP8Histogram;
typedef void (*VP8CHisto)(const uint8_t* ref, const uint8_t* pred,