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Commit c2cf347f authored by James Zern's avatar James Zern Committed by Gerrit Code Review
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Merge "vp9_reconintra: use AVG[23] consistently"

parents 2b6d6214 4fcabf51
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vp9/common/vp9_reconintra.c
View file @ c2cf347f
......@@ -102,6 +102,10 @@ static const uint8_t extend_modes[INTRA_MODES] = {
intra_pred_sized(type, 32)
#endif // CONFIG_VP9_HIGHBITDEPTH
#define DST(x, y) dst[(x) + (y) * stride]
#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2)
#define AVG2(a, b) (((a) + (b) + 1) >> 1)
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_d207_predictor(uint16_t *dst, ptrdiff_t stride,
int bs, const uint16_t *above,
......@@ -112,18 +116,16 @@ static INLINE void highbd_d207_predictor(uint16_t *dst, ptrdiff_t stride,
// First column.
for (r = 0; r < bs - 1; ++r) {
dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1], 1);
dst[r * stride] = AVG2(left[r], left[r + 1]);
}
dst[(bs - 1) * stride] = left[bs - 1];
dst++;
// Second column.
for (r = 0; r < bs - 2; ++r) {
dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1] * 2 +
left[r + 2], 2);
dst[r * stride] = AVG3(left[r], left[r + 1], left[r + 2]);
}
dst[(bs - 2) * stride] = ROUND_POWER_OF_TWO(left[bs - 2] +
left[bs - 1] * 3, 2);
dst[(bs - 2) * stride] = AVG3(left[bs - 2], left[bs - 1], left[bs - 1]);
dst[(bs - 1) * stride] = left[bs - 1];
dst++;
......@@ -145,11 +147,9 @@ static INLINE void highbd_d63_predictor(uint16_t *dst, ptrdiff_t stride,
(void) bd;
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) {
dst[c] = r & 1 ? ROUND_POWER_OF_TWO(above[r/2 + c] +
above[r/2 + c + 1] * 2 +
above[r/2 + c + 2], 2)
: ROUND_POWER_OF_TWO(above[r/2 + c] +
above[r/2 + c + 1], 1);
dst[c] = r & 1 ? AVG3(above[(r >> 1) + c], above[(r >> 1) + c + 1],
above[(r >> 1) + c + 2])
: AVG2(above[(r >> 1) + c], above[(r >> 1) + c + 1]);
}
dst += stride;
}
......@@ -163,9 +163,8 @@ static INLINE void highbd_d45_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
(void) bd;
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) {
dst[c] = r + c + 2 < bs * 2 ? ROUND_POWER_OF_TWO(above[r + c] +
above[r + c + 1] * 2 +
above[r + c + 2], 2)
dst[c] = r + c + 2 < bs * 2 ? AVG3(above[r + c], above[r + c + 1],
above[r + c + 2])
: above[bs * 2 - 1];
}
dst += stride;
......@@ -180,20 +179,19 @@ static INLINE void highbd_d117_predictor(uint16_t *dst, ptrdiff_t stride,
// first row
for (c = 0; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c], 1);
dst[c] = AVG2(above[c - 1], above[c]);
dst += stride;
// second row
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
for (c = 1; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2);
dst[c] = AVG3(above[c - 2], above[c - 1], above[c]);
dst += stride;
// the rest of first col
dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[0] = AVG3(above[-1], left[0], left[1]);
for (r = 3; r < bs; ++r)
dst[(r - 2) * stride] = ROUND_POWER_OF_TWO(left[r - 3] + left[r - 2] * 2 +
left[r - 1], 2);
dst[(r - 2) * stride] = AVG3(left[r - 3], left[r - 2], left[r - 1]);
// the rest of the block
for (r = 2; r < bs; ++r) {
......@@ -208,14 +206,13 @@ static INLINE void highbd_d135_predictor(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left, int bd) {
int r, c;
(void) bd;
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
for (c = 1; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2);
dst[c] = AVG3(above[c - 2], above[c - 1], above[c]);
dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[stride] = AVG3(above[-1], left[0], left[1]);
for (r = 2; r < bs; ++r)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 +
left[r], 2);
dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]);
dst += stride;
for (r = 1; r < bs; ++r) {
......@@ -230,20 +227,19 @@ static INLINE void highbd_d153_predictor(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left, int bd) {
int r, c;
(void) bd;
dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0], 1);
dst[0] = AVG2(above[-1], left[0]);
for (r = 1; r < bs; r++)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 1] + left[r], 1);
dst[r * stride] = AVG2(left[r - 1], left[r]);
dst++;
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
dst[stride] = AVG3(above[-1], left[0], left[1]);
for (r = 2; r < bs; r++)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 +
left[r], 2);
dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]);
dst++;
for (c = 0; c < bs - 2; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c] * 2 + above[c + 1], 2);
dst[c] = AVG3(above[c - 1], above[c], above[c + 1]);
dst += stride;
for (r = 1; r < bs; ++r) {
......@@ -359,10 +355,6 @@ static INLINE void highbd_dc_predictor(uint16_t *dst, ptrdiff_t stride,
}
#endif // CONFIG_VP9_HIGHBITDEPTH
#define DST(x, y) dst[(x) + (y) * stride]
#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2)
#define AVG2(a, b) (((a) + (b) + 1) >> 1)
void vp9_d207_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const int I = left[0];
......@@ -386,16 +378,14 @@ static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
(void) above;
// first column
for (r = 0; r < bs - 1; ++r)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1], 1);
dst[r * stride] = AVG2(left[r], left[r + 1]);
dst[(bs - 1) * stride] = left[bs - 1];
dst++;
// second column
for (r = 0; r < bs - 2; ++r)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1] * 2 +
left[r + 2], 2);
dst[(bs - 2) * stride] = ROUND_POWER_OF_TWO(left[bs - 2] +
left[bs - 1] * 3, 2);
dst[r * stride] = AVG3(left[r], left[r + 1], left[r + 2]);
dst[(bs - 2) * stride] = AVG3(left[bs - 2], left[bs - 1], left[bs - 1]);
dst[(bs - 1) * stride] = left[bs - 1];
dst++;
......@@ -438,11 +428,9 @@ static INLINE void d63_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
(void) left;
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c)
dst[c] = r & 1 ? ROUND_POWER_OF_TWO(above[r/2 + c] +
above[r/2 + c + 1] * 2 +
above[r/2 + c + 2], 2)
: ROUND_POWER_OF_TWO(above[r/2 + c] +
above[r/2 + c + 1], 1);
dst[c] = r & 1 ? AVG3(above[(r >> 1) + c], above[(r >> 1) + c + 1],
above[(r >> 1) + c + 2])
: AVG2(above[(r >> 1) + c], above[(r >> 1) + c + 1]);
dst += stride;
}
}
......@@ -516,20 +504,19 @@ static INLINE void d117_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
// first row
for (c = 0; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c], 1);
dst[c] = AVG2(above[c - 1], above[c]);
dst += stride;
// second row
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
for (c = 1; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2);
dst[c] = AVG3(above[c - 2], above[c - 1], above[c]);
dst += stride;
// the rest of first col
dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[0] = AVG3(above[-1], left[0], left[1]);
for (r = 3; r < bs; ++r)
dst[(r - 2) * stride] = ROUND_POWER_OF_TWO(left[r - 3] + left[r - 2] * 2 +
left[r - 1], 2);
dst[(r - 2) * stride] = AVG3(left[r - 3], left[r - 2], left[r - 1]);
// the rest of the block
for (r = 2; r < bs; ++r) {
......@@ -564,14 +551,13 @@ void vp9_d135_predictor_4x4(uint8_t *dst, ptrdiff_t stride,
static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
int r, c;
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
for (c = 1; c < bs; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2);
dst[c] = AVG3(above[c - 2], above[c - 1], above[c]);
dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[stride] = AVG3(above[-1], left[0], left[1]);
for (r = 2; r < bs; ++r)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 +
left[r], 2);
dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]);
dst += stride;
for (r = 1; r < bs; ++r) {
......@@ -609,20 +595,19 @@ void vp9_d153_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride,
static INLINE void d153_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
int r, c;
dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0], 1);
dst[0] = AVG2(above[-1], left[0]);
for (r = 1; r < bs; r++)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 1] + left[r], 1);
dst[r * stride] = AVG2(left[r - 1], left[r]);
dst++;
dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2);
dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2);
dst[0] = AVG3(left[0], above[-1], above[0]);
dst[stride] = AVG3(above[-1], left[0], left[1]);
for (r = 2; r < bs; r++)
dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 +
left[r], 2);
dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]);
dst++;
for (c = 0; c < bs - 2; c++)
dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c] * 2 + above[c + 1], 2);
dst[c] = AVG3(above[c - 1], above[c], above[c + 1]);
dst += stride;
for (r = 1; r < bs; ++r) {
......
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