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avcodec/diracdsp: use av_clip_uintp2

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Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
pull/172/head
James Almer 9 years ago
parent 7d8891593c
commit 033e7dbd31
1 changed files with 19 additions and 31 deletions
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      libavcodec/diracdsp.c

50
libavcodec/diracdsp.c
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@ -151,39 +151,27 @@ static void put_signed_rect_clamped_8bit_c(uint8_t *dst, int dst_stride, const u
}
}
static void put_signed_rect_clamped_10bit_c(uint8_t *_dst, int dst_stride, const uint8_t *_src, int src_stride, int width, int height)
{
int x, y;
uint16_t *dst = (uint16_t *)_dst;
int32_t *src = (int32_t *)_src;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x+=4) {
dst[x ] = av_clip(src[x ] + 512, 0, (1 << 10) - 1);
dst[x+1] = av_clip(src[x+1] + 512, 0, (1 << 10) - 1);
dst[x+2] = av_clip(src[x+2] + 512, 0, (1 << 10) - 1);
dst[x+3] = av_clip(src[x+3] + 512, 0, (1 << 10) - 1);
}
dst += dst_stride >> 1;
src += src_stride >> 2;
}
#define PUT_SIGNED_RECT_CLAMPED(PX) \
static void put_signed_rect_clamped_ ## PX ## bit_c(uint8_t *_dst, int dst_stride, const uint8_t *_src, \
int src_stride, int width, int height) \
{ \
int x, y; \
uint16_t *dst = (uint16_t *)_dst; \
int32_t *src = (int32_t *)_src; \
for (y = 0; y < height; y++) { \
for (x = 0; x < width; x+=4) { \
dst[x ] = av_clip_uintp2(src[x ] + (1 << (PX - 1)), PX); \
dst[x+1] = av_clip_uintp2(src[x+1] + (1 << (PX - 1)), PX); \
dst[x+2] = av_clip_uintp2(src[x+2] + (1 << (PX - 1)), PX); \
dst[x+3] = av_clip_uintp2(src[x+3] + (1 << (PX - 1)), PX); \
} \
dst += dst_stride >> 1; \
src += src_stride >> 2; \
} \
}
static void put_signed_rect_clamped_12bit_c(uint8_t *_dst, int dst_stride, const uint8_t *_src, int src_stride, int width, int height)
{
int x, y;
uint16_t *dst = (uint16_t *)_dst;
int32_t *src = (int32_t *)_src;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x+=4) {
dst[x ] = av_clip(src[x ] + 2048, 0, (1 << 12) - 1);
dst[x+1] = av_clip(src[x+1] + 2048, 0, (1 << 12) - 1);
dst[x+2] = av_clip(src[x+2] + 2048, 0, (1 << 12) - 1);
dst[x+3] = av_clip(src[x+3] + 2048, 0, (1 << 12) - 1);
}
dst += dst_stride >> 1;
src += src_stride >> 2;
}
}
PUT_SIGNED_RECT_CLAMPED(10)
PUT_SIGNED_RECT_CLAMPED(12)
static void add_rect_clamped_c(uint8_t *dst, const uint16_t *src, int stride,
const int16_t *idwt, int idwt_stride,

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