dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-10-31 10:25:46 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

dec_neon: add DC8uvNoTopLeft

Browse Source 
~93% faster

Change-Id: Icf0fd5f85ac53c306a1b69d84275023e5b24a602
This commit is contained in:
James Zern
2015-05-01 20:03:57 -07:00
parent dd55b8734a
commit 4c9af02326
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/dsp/dec_neon.c
View File

@@ -1425,8 +1425,10 @@ static WEBP_INLINE void DC8(uint8_t* dst, int do_top, int do_left) {
dc0 = vrshrn_n_u16(sum, 4); dc0 = vrshrn_n_u16(sum, 4);
} else if (do_top) { } else if (do_top) {
dc0 = vrshrn_n_u16(sum_top, 3); dc0 = vrshrn_n_u16(sum_top, 3);
} else { } else if (do_left) {
dc0 = vrshrn_n_u16(sum_left, 3); dc0 = vrshrn_n_u16(sum_left, 3);
} else {
dc0 = vdup_n_u8(0x80);
} }
{ {
@@ -1441,6 +1443,7 @@ static WEBP_INLINE void DC8(uint8_t* dst, int do_top, int do_left) {
static void DC8uv(uint8_t* dst) { DC8(dst, 1, 1); } static void DC8uv(uint8_t* dst) { DC8(dst, 1, 1); }
static void DC8uvNoTop(uint8_t* dst) { DC8(dst, 0, 1); } static void DC8uvNoTop(uint8_t* dst) { DC8(dst, 0, 1); }
static void DC8uvNoLeft(uint8_t* dst) { DC8(dst, 1, 0); } static void DC8uvNoLeft(uint8_t* dst) { DC8(dst, 1, 0); }
static void DC8uvNoTopLeft(uint8_t* dst) { DC8(dst, 0, 0); }
static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); } static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); }
@@ -1482,6 +1485,7 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitNEON(void) {
VP8PredChroma8[1] = TM8uv; VP8PredChroma8[1] = TM8uv;
VP8PredChroma8[4] = DC8uvNoTop; VP8PredChroma8[4] = DC8uvNoTop;
VP8PredChroma8[5] = DC8uvNoLeft; VP8PredChroma8[5] = DC8uvNoLeft;
VP8PredChroma8[6] = DC8uvNoTopLeft;
} }
#else // !WEBP_USE_NEON #else // !WEBP_USE_NEON