From 2cc4f3b21f33740db1728bae104f336e7008731c Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Thu, 21 Jul 2011 09:49:17 +0100 Subject: [PATCH] simple_idct: whitespace cosmetics Signed-off-by: Mans Rullgard --- libavcodec/simple_idct_template.c | 248 +++++++++++++++--------------- 1 file changed, 124 insertions(+), 124 deletions(-) diff --git a/libavcodec/simple_idct_template.c b/libavcodec/simple_idct_template.c index 81845c962d..6d3f6f764d 100644 --- a/libavcodec/simple_idct_template.c +++ b/libavcodec/simple_idct_template.c @@ -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; - - /* no need to optimize : gcc does it */ - 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]); - - 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(b1, -W1, row[5]); - MAC(b1, -W5, row[7]); - - MAC(b2, W7, row[5]); - MAC(b2, W3, 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; + a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1)); + a1 = a0; + a2 = a0; + a3 = a0; + + 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]); + + 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(b1, -W1, row[5]); + MAC(b1, -W5, row[7]); + + MAC(b2, W7, row[5]); + MAC(b2, W3, 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; } #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; - - 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); + int a0, a1, a2, a3, b0, b1, b2, b3; + INIT_CLIP; + + 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); } static inline void FUNC(idctSparseColAdd)(pixel *dest, int line_size, DCTELEM *col) { - int a0, a1, a2, a3, b0, b1, b2, b3; - INIT_CLIP; - - 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)); + int a0, a1, a2, a3, b0, b1, b2, b3; + INIT_CLIP; + + 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)); } static inline void FUNC(idctSparseCol)(DCTELEM *col) { - int a0, a1, a2, a3, b0, b1, b2, b3; - - 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); + int a0, a1, a2, a3, b0, b1, b2, b3; + + 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); } 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); }