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Have C encoding predictors use decoding predictors.

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libwebp.a in Release mode with no symbols size in bytes:
986430 -> 975114  (-1.1%)

Change-Id: Ia96192a6be2911779e359b72132bdba60b60a13d
This commit is contained in:
Vincent Rabaud
2020-12-02 11:20:35 +01:00
parent 7656f0b335
commit fc14fc038b
4 changed files with 70 additions and 189 deletions
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13
src/dsp/lossless_common.h
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@ -184,19 +184,6 @@ static void PREDICTOR_ADD(const uint32_t* in, const uint32_t* upper, \
} \
}
// It subtracts the prediction from the input pixel and stores the residual
// in the output pixel.
#define GENERATE_PREDICTOR_SUB(PREDICTOR, PREDICTOR_SUB) \
static void PREDICTOR_SUB(const uint32_t* in, const uint32_t* upper, \
int num_pixels, uint32_t* out) { \
int x; \
assert(upper != NULL); \
for (x = 0; x < num_pixels; ++x) { \
const uint32_t pred = (PREDICTOR)(in[x - 1], upper + x); \
out[x] = VP8LSubPixels(in[x], pred); \
} \
}
#ifdef __cplusplus
} // extern "C"
#endif