Merge commit 'b8b809908ec547b2609dbac24194f4fd2df61aea'

[ffmpeg] / libavcodec / h264chroma_template.c

diff --git a/libavcodec/h264chroma_template.c b/libavcodec/h264chroma_template.c
index 93559d7c685dbb7933fcddffd6f706ee4b943f11..b64172aadfd0dd669e9f0186fa5c2f6798e5bc29 100644 (file)
--- a/libavcodec/h264chroma_template.c
+++ b/libavcodec/h264chroma_template.c
@@ -24,6 +24,34 @@
 #include "bit_depth_template.c"
 
 #define H264_CHROMA_MC(OPNAME, OP)\
+static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
+    pixel *dst = (pixel*)_dst;\
+    pixel *src = (pixel*)_src;\
+    const int A=(8-x)*(8-y);\
+    const int B=(  x)*(8-y);\
+    const int C=(8-x)*(  y);\
+    const int D=(  x)*(  y);\
+    int i;\
+    stride >>= sizeof(pixel)-1;\
+    \
+    av_assert2(x<8 && y<8 && x>=0 && y>=0);\
+\
+    if(D){\
+        for(i=0; i<h; i++){\
+            OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
+            dst+= stride;\
+            src+= stride;\
+        }\
+    }else{\
+        const int E= B+C;\
+        const int step= C ? stride : 1;\
+        for(i=0; i<h; i++){\
+            OP(dst[0], (A*src[0] + E*src[step+0]));\
+            dst+= stride;\
+            src+= stride;\
+        }\
+    }\
+}\
 static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
     pixel *dst = (pixel*)_dst;\
     pixel *src = (pixel*)_src;\