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@ -194,15 +194,13 @@ static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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for(i = 0; i < 8; i++){ |
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t1 = 17 * (src[ 0] + src[16]) + 64; |
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t2 = 17 * (src[ 0] - src[16]) + 64; |
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t3 = 22 * src[ 8]; |
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t4 = 22 * src[24]; |
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t5 = 10 * src[ 8]; |
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t6 = 10 * src[24]; |
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t3 = 22 * src[ 8] + 10 * src[24]; |
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t4 = 22 * src[24] - 10 * src[ 8]; |
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dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3 + t6) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4 + t5) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4 - t5) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3 - t6) >> 7)]; |
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dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; |
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src ++; |
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dest++; |
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@ -223,15 +221,13 @@ static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) |
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for(i = 0; i < 8; i++){ |
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t1 = 17 * (src[0] + src[2]) + 4; |
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t2 = 17 * (src[0] - src[2]) + 4; |
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t3 = 22 * src[1]; |
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t4 = 22 * src[3]; |
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t5 = 10 * src[1]; |
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t6 = 10 * src[3]; |
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t3 = 22 * src[1] + 10 * src[3]; |
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t4 = 22 * src[3] - 10 * src[1]; |
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dst[0] = (t1 + t3 + t6) >> 3; |
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dst[1] = (t2 - t4 + t5) >> 3; |
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dst[2] = (t2 + t4 - t5) >> 3; |
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dst[3] = (t1 - t3 - t6) >> 3; |
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dst[0] = (t1 + t3) >> 3; |
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dst[1] = (t2 - t4) >> 3; |
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dst[2] = (t2 + t4) >> 3; |
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dst[3] = (t1 - t3) >> 3; |
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src += 8; |
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dst += 8; |
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@ -273,7 +269,7 @@ static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) |
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static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i; |
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register int t1,t2,t3,t4,t5,t6; |
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register int t1,t2,t3,t4; |
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DCTELEM *src, *dst; |
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const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; |
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@ -282,15 +278,13 @@ static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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for(i = 0; i < 4; i++){ |
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t1 = 17 * (src[0] + src[2]) + 4; |
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t2 = 17 * (src[0] - src[2]) + 4; |
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t3 = 22 * src[1]; |
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t4 = 22 * src[3]; |
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t5 = 10 * src[1]; |
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t6 = 10 * src[3]; |
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t3 = 22 * src[1] + 10 * src[3]; |
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t4 = 22 * src[3] - 10 * src[1]; |
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dst[0] = (t1 + t3 + t6) >> 3; |
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dst[1] = (t2 - t4 + t5) >> 3; |
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dst[2] = (t2 + t4 - t5) >> 3; |
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dst[3] = (t1 - t3 - t6) >> 3; |
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dst[0] = (t1 + t3) >> 3; |
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dst[1] = (t2 - t4) >> 3; |
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dst[2] = (t2 + t4) >> 3; |
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dst[3] = (t1 - t3) >> 3; |
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src += 8; |
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dst += 8; |
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@ -300,15 +294,13 @@ static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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for(i = 0; i < 4; i++){ |
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t1 = 17 * (src[ 0] + src[16]) + 64; |
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t2 = 17 * (src[ 0] - src[16]) + 64; |
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t3 = 22 * src[ 8]; |
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t4 = 22 * src[24]; |
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t5 = 10 * src[ 8]; |
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t6 = 10 * src[24]; |
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dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3 + t6) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4 + t5) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4 - t5) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3 - t6) >> 7)]; |
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t3 = 22 * src[ 8] + 10 * src[24]; |
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t4 = 22 * src[24] - 10 * src[ 8]; |
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dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; |
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src ++; |
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dest++; |
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