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use static clipping tables

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(shared with mips32)
removed abs1[] table along the way

sub-1% speed-up, but still...

Change-Id: I8c29a8a0285076cb3423b01ffae9fcc465da6a81
This commit is contained in:
skal
2014-02-13 19:32:21 -08:00
parent 0235d5e44b
commit 8992ddb756
7 changed files with 70 additions and 353 deletions
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7
src/dsp/dsp.h
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@ -127,6 +127,13 @@ extern const VP8PredFunc VP8PredLuma16[/* NUM_B_DC_MODES */];
extern const VP8PredFunc VP8PredChroma8[/* NUM_B_DC_MODES */];
extern const VP8PredFunc VP8PredLuma4[/* NUM_BMODES */];
// clipping tables (for filtering)
extern const int8_t* const VP8ksclip1; // clips [-1020, 1020] to [-128, 127]
extern const int8_t* const VP8ksclip2; // clips [-112, 112] to [-16, 15]
extern const uint8_t* const VP8kclip1; // clips [-255,511] to [0,255]
extern const uint8_t* const VP8kabs0; // abs(x) for x in [-255,255]
void VP8InitClipTables(void); // must be called first
// simple filter (only for luma)
typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh);
extern VP8SimpleFilterFunc VP8SimpleVFilter16;