diff options
Diffstat (limited to 'media/libwebp/src/dsp/filters.c')
| -rw-r--r-- | media/libwebp/src/dsp/filters.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/media/libwebp/src/dsp/filters.c b/media/libwebp/src/dsp/filters.c index 85eee5098f..c9232ff16a 100644 --- a/media/libwebp/src/dsp/filters.c +++ b/media/libwebp/src/dsp/filters.c @@ -19,14 +19,16 @@ //------------------------------------------------------------------------------ // Helpful macro. -# define SANITY_CHECK(in, out) \ - assert((in) != NULL); \ - assert((out) != NULL); \ - assert(width > 0); \ - assert(height > 0); \ - assert(stride >= width); \ - assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ - (void)height; // Silence unused warning. +#define DCHECK(in, out) \ + do { \ + assert((in) != NULL); \ + assert((out) != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); \ + assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ + (void)height; /* Silence unused warning. */ \ + } while (0) #if !WEBP_NEON_OMIT_C_CODE static WEBP_INLINE void PredictLine_C(const uint8_t* src, const uint8_t* pred, @@ -49,7 +51,7 @@ static WEBP_INLINE void DoHorizontalFilter_C(const uint8_t* in, const uint8_t* preds; const size_t start_offset = row * stride; const int last_row = row + num_rows; - SANITY_CHECK(in, out); + DCHECK(in, out); in += start_offset; out += start_offset; preds = inverse ? out : in; @@ -86,7 +88,7 @@ static WEBP_INLINE void DoVerticalFilter_C(const uint8_t* in, const uint8_t* preds; const size_t start_offset = row * stride; const int last_row = row + num_rows; - SANITY_CHECK(in, out); + DCHECK(in, out); in += start_offset; out += start_offset; preds = inverse ? out : in; @@ -131,7 +133,7 @@ static WEBP_INLINE void DoGradientFilter_C(const uint8_t* in, const uint8_t* preds; const size_t start_offset = row * stride; const int last_row = row + num_rows; - SANITY_CHECK(in, out); + DCHECK(in, out); in += start_offset; out += start_offset; preds = inverse ? out : in; @@ -165,7 +167,7 @@ static WEBP_INLINE void DoGradientFilter_C(const uint8_t* in, } #endif // !WEBP_NEON_OMIT_C_CODE -#undef SANITY_CHECK +#undef DCHECK //------------------------------------------------------------------------------ @@ -189,6 +191,12 @@ static void GradientFilter_C(const uint8_t* data, int width, int height, //------------------------------------------------------------------------------ +static void NoneUnfilter_C(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + (void)prev; + if (out != in) memcpy(out, in, width * sizeof(*out)); +} + static void HorizontalUnfilter_C(const uint8_t* prev, const uint8_t* in, uint8_t* out, int width) { uint8_t pred = (prev == NULL) ? 0 : prev[0]; @@ -240,7 +248,7 @@ extern void VP8FiltersInitNEON(void); extern void VP8FiltersInitSSE2(void); WEBP_DSP_INIT_FUNC(VP8FiltersInit) { - WebPUnfilters[WEBP_FILTER_NONE] = NULL; + WebPUnfilters[WEBP_FILTER_NONE] = NoneUnfilter_C; #if !WEBP_NEON_OMIT_C_CODE WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_C; WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_C; @@ -279,6 +287,7 @@ WEBP_DSP_INIT_FUNC(VP8FiltersInit) { } #endif + assert(WebPUnfilters[WEBP_FILTER_NONE] != NULL); assert(WebPUnfilters[WEBP_FILTER_HORIZONTAL] != NULL); assert(WebPUnfilters[WEBP_FILTER_VERTICAL] != NULL); assert(WebPUnfilters[WEBP_FILTER_GRADIENT] != NULL); |