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authorMans Rullgard <mans@mansr.com>2011-07-18 15:23:22 +0100
committerMans Rullgard <mans@mansr.com>2011-07-18 20:57:22 +0100
commitdbb5ee8ea78e6fa22407523f4ecedfebe3db302f (patch)
tree31be4fec144a7f17949db151d669a56957c84a05 /libavcodec/simple_idct.c
parent3f5dcde7e656618e531968fff25773d80e96278f (diff)
simple_idct: remove code for DCTELEM != int16
DCTELEM can never be changed to anything else, too much code depends on it. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/simple_idct.c')
-rw-r--r--libavcodec/simple_idct.c45
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