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simple_idct: whitespace cosmetics 

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-07-21 09:49:17 +01:00
parent a402f10959
commit 2cc4f3b21f
1 changed files with 110 additions and 110 deletions
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220
libavcodec/simple_idct_template.c
View File

@ -87,78 +87,77 @@
static inline void FUNC(idctRowCondDC)(DCTELEM *row)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
int a0, a1, a2, a3, b0, b1, b2, b3;
#if HAVE_FAST_64BIT
#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
uint64_t temp = (row[0] << DC_SHIFT) & 0xffff;
temp += temp << 16;
temp += temp << 32;
((uint64_t *)row)[0] = temp;
((uint64_t *)row)[1] = temp;
return;
}
if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
uint64_t temp = (row[0] << DC_SHIFT) & 0xffff;
temp += temp << 16;
temp += temp << 32;
((uint64_t *)row)[0] = temp;
((uint64_t *)row)[1] = temp;
return;
}
#else
if (!(((uint32_t*)row)[1] |
((uint32_t*)row)[2] |
((uint32_t*)row)[3] |
row[1])) {
uint32_t temp = (row[0] << DC_SHIFT) & 0xffff;
temp += temp << 16;
((uint32_t*)row)[0]=((uint32_t*)row)[1] =
((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
return;
}
if (!(((uint32_t*)row)[1] |
((uint32_t*)row)[2] |
((uint32_t*)row)[3] |
row[1])) {
uint32_t temp = (row[0] << DC_SHIFT) & 0xffff;
temp += temp << 16;
((uint32_t*)row)[0]=((uint32_t*)row)[1] =
((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
return;
}
#endif
a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1));
a1 = a0;
a2 = a0;
a3 = a0;
a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1));
a1 = a0;
a2 = a0;
a3 = a0;
/* no need to optimize : gcc does it */
a0 += W2 * row[2];
a1 += W6 * row[2];
a2 -= W6 * row[2];
a3 -= W2 * row[2];
a0 += W2 * row[2];
a1 += W6 * row[2];
a2 -= W6 * row[2];
a3 -= W2 * row[2];
b0 = MUL(W1, row[1]);
MAC(b0, W3, row[3]);
b1 = MUL(W3, row[1]);
MAC(b1, -W7, row[3]);
b2 = MUL(W5, row[1]);
MAC(b2, -W1, row[3]);
b3 = MUL(W7, row[1]);
MAC(b3, -W5, row[3]);
b0 = MUL(W1, row[1]);
MAC(b0, W3, row[3]);
b1 = MUL(W3, row[1]);
MAC(b1, -W7, row[3]);
b2 = MUL(W5, row[1]);
MAC(b2, -W1, row[3]);
b3 = MUL(W7, row[1]);
MAC(b3, -W5, row[3]);
if (AV_RN64A(row + 4)) {
a0 += W4*row[4] + W6*row[6];
a1 += - W4*row[4] - W2*row[6];
a2 += - W4*row[4] + W2*row[6];
a3 += W4*row[4] - W6*row[6];
if (AV_RN64A(row + 4)) {
a0 += W4*row[4] + W6*row[6];
a1 += - W4*row[4] - W2*row[6];
a2 += - W4*row[4] + W2*row[6];
a3 += W4*row[4] - W6*row[6];
MAC(b0, W5, row[5]);
MAC(b0, W7, row[7]);
MAC(b0, W5, row[5]);
MAC(b0, W7, row[7]);
MAC(b1, -W1, row[5]);
MAC(b1, -W5, row[7]);
MAC(b1, -W1, row[5]);
MAC(b1, -W5, row[7]);
MAC(b2, W7, row[5]);
MAC(b2, W3, row[7]);
MAC(b2, W7, row[5]);
MAC(b2, W3, row[7]);
MAC(b3, W3, row[5]);
MAC(b3, -W1, row[7]);
}
MAC(b3, W3, row[5]);
MAC(b3, -W1, row[7]);
}
row[0] = (a0 + b0) >> ROW_SHIFT;
row[7] = (a0 - b0) >> ROW_SHIFT;
row[1] = (a1 + b1) >> ROW_SHIFT;
row[6] = (a1 - b1) >> ROW_SHIFT;
row[2] = (a2 + b2) >> ROW_SHIFT;
row[5] = (a2 - b2) >> ROW_SHIFT;
row[3] = (a3 + b3) >> ROW_SHIFT;
row[4] = (a3 - b3) >> ROW_SHIFT;
row[0] = (a0 + b0) >> ROW_SHIFT;
row[7] = (a0 - b0) >> ROW_SHIFT;
row[1] = (a1 + b1) >> ROW_SHIFT;
row[6] = (a1 - b1) >> ROW_SHIFT;
row[2] = (a2 + b2) >> ROW_SHIFT;
row[5] = (a2 - b2) >> ROW_SHIFT;
row[3] = (a3 + b3) >> ROW_SHIFT;
row[4] = (a3 - b3) >> ROW_SHIFT;
}
#define IDCT_COLS do { \
@ -214,67 +213,67 @@ static inline void FUNC(idctRowCondDC)(DCTELEM *row)
static inline void FUNC(idctSparseColPut)(pixel *dest, int line_size,
DCTELEM *col)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
INIT_CLIP;
int a0, a1, a2, a3, b0, b1, b2, b3;
INIT_CLIP;
IDCT_COLS;
IDCT_COLS;
dest[0] = CLIP((a0 + b0) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a1 + b1) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a2 + b2) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a3 + b3) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a3 - b3) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a2 - b2) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a1 - b1) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a0 - b0) >> COL_SHIFT);
dest[0] = CLIP((a0 + b0) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a1 + b1) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a2 + b2) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a3 + b3) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a3 - b3) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a2 - b2) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a1 - b1) >> COL_SHIFT);
dest += line_size;
dest[0] = CLIP((a0 - b0) >> COL_SHIFT);
}
static inline void FUNC(idctSparseColAdd)(pixel *dest, int line_size,
DCTELEM *col)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
INIT_CLIP;
int a0, a1, a2, a3, b0, b1, b2, b3;
INIT_CLIP;
IDCT_COLS;
IDCT_COLS;
dest[0] = CLIP(dest[0] + ((a0 + b0) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 + b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 + b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 + b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 - b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 - b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 - b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a0 - b0) >> COL_SHIFT));
dest[0] = CLIP(dest[0] + ((a0 + b0) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 + b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 + b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 + b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a3 - b3) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a2 - b2) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a1 - b1) >> COL_SHIFT));
dest += line_size;
dest[0] = CLIP(dest[0] + ((a0 - b0) >> COL_SHIFT));
}
static inline void FUNC(idctSparseCol)(DCTELEM *col)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
int a0, a1, a2, a3, b0, b1, b2, b3;
IDCT_COLS;
IDCT_COLS;
col[0 ] = ((a0 + b0) >> COL_SHIFT);
col[8 ] = ((a1 + b1) >> COL_SHIFT);
col[16] = ((a2 + b2) >> COL_SHIFT);
col[24] = ((a3 + b3) >> COL_SHIFT);
col[32] = ((a3 - b3) >> COL_SHIFT);
col[40] = ((a2 - b2) >> COL_SHIFT);
col[48] = ((a1 - b1) >> COL_SHIFT);
col[56] = ((a0 - b0) >> COL_SHIFT);
col[0 ] = ((a0 + b0) >> COL_SHIFT);
col[8 ] = ((a1 + b1) >> COL_SHIFT);
col[16] = ((a2 + b2) >> COL_SHIFT);
col[24] = ((a3 + b3) >> COL_SHIFT);
col[32] = ((a3 - b3) >> COL_SHIFT);
col[40] = ((a2 - b2) >> COL_SHIFT);
col[48] = ((a1 - b1) >> COL_SHIFT);
col[56] = ((a0 - b0) >> COL_SHIFT);
}
void FUNC(ff_simple_idct_put)(uint8_t *dest_, int line_size, DCTELEM *block)
@ -284,10 +283,10 @@ void FUNC(ff_simple_idct_put)(uint8_t *dest_, int line_size, DCTELEM *block)
line_size /= sizeof(pixel);
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctRowCondDC)(block + i*8);
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctSparseColPut)(dest + i, line_size, block + i);
}
@ -298,19 +297,20 @@ void FUNC(ff_simple_idct_add)(uint8_t *dest_, int line_size, DCTELEM *block)
line_size /= sizeof(pixel);
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctRowCondDC)(block + i*8);
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctSparseColAdd)(dest + i, line_size, block + i);
}
void FUNC(ff_simple_idct)(DCTELEM *block)
{
int i;
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctRowCondDC)(block + i*8);
for(i=0; i<8; i++)
for (i = 0; i < 8; i++)
FUNC(idctSparseCol)(block + i);
}