More const-correctness fixes to avoid warnings.

Originally committed as revision 31781 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/ppc/swscale_altivec_template.c

@@ -86,8 +86,8 @@ altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW)
 }
 
 static inline void
-yuv2yuvX_altivec_real(const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                      const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+yuv2yuvX_altivec_real(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                      const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
                       uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
 {
     const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)};
@@ -389,14 +389,14 @@ static inline void hScale_altivec_real(int16_t *dst, int dstW,
     }
 }
 
-static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
+static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
                                               int srcSliceH, uint8_t* dstParam[], int dstStride_a[])
 {
     uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY;
     // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
-    uint8_t *ysrc = src[0];
-    uint8_t *usrc = src[1];
-    uint8_t *vsrc = src[2];
+    const uint8_t *ysrc = src[0];
+    const uint8_t *usrc = src[1];
+    const uint8_t *vsrc = src[2];
     const int width = c->srcW;
     const int height = srcSliceH;
     const int lumStride = srcStride[0];
@@ -467,14 +467,14 @@ static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, uint8_t* src[], int
     return srcSliceH;
 }
 
-static inline int yv12touyvy_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
+static inline int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
                                               int srcSliceH, uint8_t* dstParam[], int dstStride_a[])
 {
     uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY;
     // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
-    uint8_t *ysrc = src[0];
-    uint8_t *usrc = src[1];
-    uint8_t *vsrc = src[2];
+    const uint8_t *ysrc = src[0];
+    const uint8_t *usrc = src[1];
+    const uint8_t *vsrc = src[2];
     const int width = c->srcW;
     const int height = srcSliceH;
     const int lumStride = srcStride[0];

libswscale/swscale_internal.h

@@ -331,8 +331,8 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
 SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
 void ff_bfin_get_unscaled_swscale(SwsContext *c);
 void ff_yuv2packedX_altivec(SwsContext *c,
-                            const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                            const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+                            const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                            const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
                             uint8_t *dest, int dstW, int dstY);
 
 const char *sws_format_name(enum PixelFormat format);