qpeldsp: Mark source pointer in qpel_mc_func function pointer const

2 files changed, 30 insertions, 20 deletions

diff --git a/libavcodec/ppc/h264qpel.c b/libavcodec/ppc/h264qpel.c
index 3963344dce..f840277c88 100644
--- a/libavcodec/ppc/h264qpel.c
+++ b/libavcodec/ppc/h264qpel.c
@@ -66,50 +66,50 @@
 #undef PREFIX_h264_qpel16_hv_lowpass_num
 
 #define H264_MC(OPNAME, SIZE, CODETYPE) \
-static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 { \
     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
     put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
     put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
@@ -118,7 +118,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
@@ -127,7 +127,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
@@ -136,7 +136,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
@@ -145,13 +145,13 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
     OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
@@ -161,7 +161,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
@@ -171,7 +171,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
@@ -181,7 +181,7 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint
     OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
 }\
 \
-static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
+static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 {\
     DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
     DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
diff --git a/libavcodec/ppc/h264qpel_template.c b/libavcodec/ppc/h264qpel_template.c
index 4df1d09768..fe83146e63 100644
--- a/libavcodec/ppc/h264qpel_template.c
+++ b/libavcodec/ppc/h264qpel_template.c
@@ -28,7 +28,10 @@
 
 /* this code assume stride % 16 == 0 */
 #ifdef PREFIX_h264_qpel16_h_lowpass_altivec
-static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) {
+static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t *dst,
+                                                 const uint8_t *src,
+                                                 int dstStride, int srcStride)
+{
     register int i;
 
     LOAD_ZERO;
@@ -168,7 +171,10 @@ static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, i
 
 /* this code assume stride % 16 == 0 */
 #ifdef PREFIX_h264_qpel16_v_lowpass_altivec
-static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) {
+static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t *dst,
+                                                 const uint8_t *src,
+                                                 int dstStride, int srcStride)
+{
     register int i;
 
     LOAD_ZERO;
@@ -178,7 +184,7 @@ static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, i
     const vec_s16 v5ss = vec_splat_s16(5);
     const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4));
 
-    uint8_t *srcbis = src - (srcStride * 2);
+    const uint8_t *srcbis = src - (srcStride * 2);
 
     const vec_u8 srcM2a = vec_ld(0, srcbis);
     const vec_u8 srcM2b = vec_ld(16, srcbis);
@@ -275,7 +281,11 @@ static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, i
 
 /* this code assume stride % 16 == 0 *and* tmp is properly aligned */
 #ifdef PREFIX_h264_qpel16_hv_lowpass_altivec
-static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t * dst, int16_t * tmp, uint8_t * src, int dstStride, int tmpStride, int srcStride) {
+static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t *dst, int16_t *tmp,
+                                                  const uint8_t *src,
+                                                  int dstStride, int tmpStride,
+                                                  int srcStride)
+{
     register int i;
     LOAD_ZERO;
     const vec_u8 permM2 = vec_lvsl(-2, src);