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hevc: templatize pred_planar

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
pull/68/head
Mickaël Raulet 11 years ago committed by Anton Khirnov
parent 0ba5299a80
commit 04db5794cd
1 changed files with 18 additions and 42 deletions
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  1. 60
      libavcodec/hevcpred_template.c

60
libavcodec/hevcpred_template.c
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@ -349,58 +349,34 @@ static void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, int log2_size, int
}
}
static void FUNC(pred_planar_0)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left,
ptrdiff_t stride)
static av_always_inline void FUNC(pred_planar)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left, ptrdiff_t stride,
int trafo_size)
{
int x, y;
pixel *src = (pixel *)_src;
const pixel *top = (const pixel *)_top;
const pixel *left = (const pixel *)_left;
for (y = 0; y < 4; y++)
for (x = 0; x < 4; x++)
POS(x, y) = ((3 - x) * left[y] + (x + 1) * top[4] +
(3 - y) * top[x] + (y + 1) * left[4] + 4) >> 3;
int size = 1 << trafo_size;
for (y = 0; y < size; y++)
for (x = 0; x < size; x++)
POS(x, y) = ((size - 1 - x) * left[y] + (x + 1) * top[size] +
(size - 1 - y) * top[x] + (y + 1) * left[size] + size) >> (trafo_size + 1);
}
static void FUNC(pred_planar_1)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left, ptrdiff_t stride)
{
int x, y;
pixel *src = (pixel *)_src;
const pixel *top = (const pixel *)_top;
const pixel *left = (const pixel *)_left;
for (y = 0; y < 8; y++)
for (x = 0; x < 8; x++)
POS(x, y) = ((7 - x) * left[y] + (x + 1) * top[8] +
(7 - y) * top[x] + (y + 1) * left[8] + 8) >> 4;
#define PRED_PLANAR(size)\
static void FUNC(pred_planar_ ## size)(uint8_t *src, const uint8_t *top, \
const uint8_t *left, ptrdiff_t stride) \
{ \
FUNC(pred_planar)(src, top, left, stride, size + 2); \
}
static void FUNC(pred_planar_2)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left, ptrdiff_t stride)
{
int x, y;
pixel *src = (pixel *)_src;
const pixel *top = (const pixel *)_top;
const pixel *left = (const pixel *)_left;
for (y = 0; y < 16; y++)
for (x = 0; x < 16; x++)
POS(x, y) = ((15 - x) * left[y] + (x + 1) * top[16] +
(15 - y) * top[x] + (y + 1) * left[16] + 16) >> 5;
}
PRED_PLANAR(0)
PRED_PLANAR(1)
PRED_PLANAR(2)
PRED_PLANAR(3)
static void FUNC(pred_planar_3)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left, ptrdiff_t stride)
{
int x, y;
pixel *src = (pixel *)_src;
const pixel *top = (const pixel *)_top;
const pixel *left = (const pixel *)_left;
for (y = 0; y < 32; y++)
for (x = 0; x < 32; x++)
POS(x, y) = ((31 - x) * left[y] + (x + 1) * top[32] +
(31 - y) * top[x] + (y + 1) * left[32] + 32) >> 6;
}
#undef PRED_PLANAR
static void FUNC(pred_dc)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left,

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