diff options
| -rw-r--r-- | libavcodec/simple_idct.c | 45 |
1 files changed, 15 insertions, 30 deletions
diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c index d21e5ed340..c82f0925cf 100644 --- a/libavcodec/simple_idct.c +++ b/libavcodec/simple_idct.c @@ -59,39 +59,24 @@ static inline void idctRowCondDC (DCTELEM * row) #else #define ROW0_MASK 0xffffLL #endif - if(sizeof(DCTELEM)==2){ - if ( ((((uint64_t *)row)[0] & ~ROW0_MASK) | - ((uint64_t *)row)[1]) == 0) { - temp = (row[0] << 3) & 0xffff; - temp += temp << 16; - temp += temp << 32; - ((uint64_t *)row)[0] = temp; - ((uint64_t *)row)[1] = temp; - return; - } - }else{ - if (!(row[1]|row[2]|row[3]|row[4]|row[5]|row[6]|row[7])) { - row[0]=row[1]=row[2]=row[3]=row[4]=row[5]=row[6]=row[7]= row[0] << 3; - return; - } + if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) { + temp = (row[0] << 3) & 0xffff; + temp += temp << 16; + temp += temp << 32; + ((uint64_t *)row)[0] = temp; + ((uint64_t *)row)[1] = temp; + return; } #else - if(sizeof(DCTELEM)==2){ - if (!(((uint32_t*)row)[1] | - ((uint32_t*)row)[2] | - ((uint32_t*)row)[3] | - row[1])) { - temp = (row[0] << 3) & 0xffff; - temp += temp << 16; - ((uint32_t*)row)[0]=((uint32_t*)row)[1] = + if (!(((uint32_t*)row)[1] | + ((uint32_t*)row)[2] | + ((uint32_t*)row)[3] | + row[1])) { + temp = (row[0] << 3) & 0xffff; + temp += temp << 16; + ((uint32_t*)row)[0]=((uint32_t*)row)[1] = ((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp; - return; - } - }else{ - if (!(row[1]|row[2]|row[3]|row[4]|row[5]|row[6]|row[7])) { - row[0]=row[1]=row[2]=row[3]=row[4]=row[5]=row[6]=row[7]= row[0] << 3; - return; - } + return; } #endif |