lavfi: Drop unused and empty header file

[ffmpeg] / libavcodec / rv40dsp.c

diff --git a/libavcodec/rv40dsp.c b/libavcodec/rv40dsp.c
index d1643e0fcac94d6d345243f56ac4980dabc1ac3c..4ca5cc7b52e97504dfb02c4efa9103edb7fb0239 100644 (file)
--- a/libavcodec/rv40dsp.c
+++ b/libavcodec/rv40dsp.c
@@ -34,7 +34,7 @@
 #include "rv34dsp.h"
 
 #define RV40_LOWPASS(OPNAME, OP) \
-static av_unused void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
+static void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
                                                      const int h, const int C1, const int C2, const int SHIFT){\
     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
     int i;\
@@ -291,7 +291,10 @@ static const int rv40_bias[4][4] = {
 };
 
 #define RV40_CHROMA_MC(OPNAME, OP)\
-static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst /*align 8*/,\
+                                        uint8_t *src /*align 1*/,\
+                                        ptrdiff_t stride, int h, int x, int y)\
+{\
     const int A = (8-x) * (8-y);\
     const int B = (  x) * (8-y);\
     const int C = (8-x) * (  y);\
@@ -312,7 +315,7 @@ static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
         }\
     }else{\
         const int E = B + C;\
-        const int step = C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i = 0; i < h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
             OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
@@ -324,7 +327,10 @@ static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
     }\
 }\
 \
-static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/,\
+                                        uint8_t *src/*align 1*/,\
+                                        ptrdiff_t stride, int h, int x, int y)\
+{\
     const int A = (8-x) * (8-y);\
     const int B = (  x) * (8-y);\
     const int C = (8-x) * (  y);\
@@ -349,7 +355,7 @@ static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
         }\
     }else{\
         const int E = B + C;\
-        const int step = C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i = 0; i < h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
             OP(dst[1], (A*src[1] + E*src[step+1] + bias));\