avcodec/snow_dwt: fix "incompatible pointer type" warnings

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/snow_dwt.c

@@ -745,7 +745,7 @@ void ff_spatial_idwt(IDWTELEM *buffer, IDWTELEM *temp, int width, int height,
                               decomposition_count, y);
 }
 
-static inline int w_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size,
+static inline int w_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size,
                       int w, int h, int type)
 {
     int s, i, j;
@@ -814,32 +814,32 @@ static inline int w_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size,
     return s >> 9;
 }
 
-static int w53_8_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+static int w53_8_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 8, h, 1);
 }
 
-static int w97_8_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+static int w97_8_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 8, h, 0);
 }
 
-static int w53_16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+static int w53_16_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 16, h, 1);
 }
 
-static int w97_16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+static int w97_16_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 16, h, 0);
 }
 
-int ff_w53_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+int ff_w53_32_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 32, h, 1);
 }
 
-int ff_w97_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
+int ff_w97_32_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     return w_c(v, pix1, pix2, line_size, 32, h, 0);
 }

libavcodec/snow_dwt.h

@@ -105,8 +105,8 @@ void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride,
                               int src_y, int src_stride, slice_buffer *sb,
                               int add, uint8_t *dst8);
 
-int ff_w53_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
-int ff_w97_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
+int ff_w53_32_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
+int ff_w97_32_c(struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
 
 void ff_spatial_dwt(int *buffer, int *temp, int width, int height, int stride,
                     int type, int decomposition_count);