dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2024-12-26 05:38:22 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

rename the pretentious SmartYUV into SharpYUV

Browse Source 
Change-Id: Ifeeb9cb85896c5f3ba0cc1c2c821f8d00295f69e
This commit is contained in:
Pascal Massimino 2017-01-20 14:36:21 +01:00
parent eb1dc89a5f
commit 79bf46f120
6 changed files with 39 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/dsp/dsp.h
View File

@ -429,11 +429,11 @@ extern void WebPConvertRGBA32ToUV_C(const uint16_t* rgb,
uint8_t* u, uint8_t* v, int width);
// utilities for accurate RGB->YUV conversion
extern uint64_t (*WebPSmartYUVUpdateY)(const uint16_t* src, const uint16_t* ref,
extern uint64_t (*WebPSharpYUVUpdateY)(const uint16_t* src, const uint16_t* ref,
uint16_t* dst, int len);
extern void (*WebPSmartYUVUpdateRGB)(const int16_t* src, const int16_t* ref,
extern void (*WebPSharpYUVUpdateRGB)(const int16_t* src, const int16_t* ref,
int16_t* dst, int len);
extern void (*WebPSmartYUVFilterRow)(const int16_t* A, const int16_t* B,
extern void (*WebPSharpYUVFilterRow)(const int16_t* A, const int16_t* B,
int len,
const uint16_t* best_y, uint16_t* out);

22
src/dsp/yuv.c
View File

@ -251,7 +251,7 @@ static uint16_t clip_y(int v) {
return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v;
}
static uint64_t SmartYUVUpdateY_C(const uint16_t* ref, const uint16_t* src,
static uint64_t SharpYUVUpdateY_C(const uint16_t* ref, const uint16_t* src,
uint16_t* dst, int len) {
uint64_t diff = 0;
int i;
@ -264,7 +264,7 @@ static uint64_t SmartYUVUpdateY_C(const uint16_t* ref, const uint16_t* src,
return diff;
}
static void SmartYUVUpdateRGB_C(const int16_t* ref, const int16_t* src,
static void SharpYUVUpdateRGB_C(const int16_t* ref, const int16_t* src,
int16_t* dst, int len) {
int i;
for (i = 0; i < len; ++i) {
@ -273,7 +273,7 @@ static void SmartYUVUpdateRGB_C(const int16_t* ref, const int16_t* src,
}
}
static void SmartYUVFilterRow_C(const int16_t* A, const int16_t* B, int len,
static void SharpYUVFilterRow_C(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out) {
int i;
for (i = 0; i < len; ++i, ++A, ++B) {
@ -297,18 +297,18 @@ void (*WebPConvertARGBToY)(const uint32_t* argb, uint8_t* y, int width);
void (*WebPConvertARGBToUV)(const uint32_t* argb, uint8_t* u, uint8_t* v,
int src_width, int do_store);
uint64_t (*WebPSmartYUVUpdateY)(const uint16_t* ref, const uint16_t* src,
uint64_t (*WebPSharpYUVUpdateY)(const uint16_t* ref, const uint16_t* src,
uint16_t* dst, int len);
void (*WebPSmartYUVUpdateRGB)(const int16_t* ref, const int16_t* src,
void (*WebPSharpYUVUpdateRGB)(const int16_t* ref, const int16_t* src,
int16_t* dst, int len);
void (*WebPSmartYUVFilterRow)(const int16_t* A, const int16_t* B, int len,
void (*WebPSharpYUVFilterRow)(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out);
static volatile VP8CPUInfo rgba_to_yuv_last_cpuinfo_used =
(VP8CPUInfo)&rgba_to_yuv_last_cpuinfo_used;
extern void WebPInitConvertARGBToYUVSSE2(void);
extern void WebPInitSmartYUVSSE2(void);
extern void WebPInitSharpYUVSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUV(void) {
if (rgba_to_yuv_last_cpuinfo_used == VP8GetCPUInfo) return;
@ -321,15 +321,15 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUV(void) {
WebPConvertRGBA32ToUV = WebPConvertRGBA32ToUV_C;
WebPSmartYUVUpdateY = SmartYUVUpdateY_C;
WebPSmartYUVUpdateRGB = SmartYUVUpdateRGB_C;
WebPSmartYUVFilterRow = SmartYUVFilterRow_C;
WebPSharpYUVUpdateY = SharpYUVUpdateY_C;
WebPSharpYUVUpdateRGB = SharpYUVUpdateRGB_C;
WebPSharpYUVFilterRow = SharpYUVFilterRow_C;
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
if (VP8GetCPUInfo(kSSE2)) {
WebPInitConvertARGBToYUVSSE2();
WebPInitSmartYUVSSE2();
WebPInitSharpYUVSSE2();
}
#endif // WEBP_USE_SSE2
}

18
src/dsp/yuv_sse2.c
View File

@ -743,7 +743,7 @@ static uint16_t clip_y(int v) {
return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v;
}
static uint64_t SmartYUVUpdateY_SSE2(const uint16_t* ref, const uint16_t* src,
static uint64_t SharpYUVUpdateY_SSE2(const uint16_t* ref, const uint16_t* src,
uint16_t* dst, int len) {
uint64_t diff = 0;
uint32_t tmp[4];
@ -777,7 +777,7 @@ static uint64_t SmartYUVUpdateY_SSE2(const uint16_t* ref, const uint16_t* src,
return diff;
}
static void SmartYUVUpdateRGB_SSE2(const int16_t* ref, const int16_t* src,
static void SharpYUVUpdateRGB_SSE2(const int16_t* ref, const int16_t* src,
int16_t* dst, int len) {
int i = 0;
for (i = 0; i + 8 <= len; i += 8) {
@ -794,7 +794,7 @@ static void SmartYUVUpdateRGB_SSE2(const int16_t* ref, const int16_t* src,
}
}
static void SmartYUVFilterRow_SSE2(const int16_t* A, const int16_t* B, int len,
static void SharpYUVFilterRow_SSE2(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out) {
int i;
const __m128i kCst8 = _mm_set1_epi16(8);
@ -846,18 +846,18 @@ static void SmartYUVFilterRow_SSE2(const int16_t* A, const int16_t* B, int len,
//------------------------------------------------------------------------------
extern void WebPInitSmartYUVSSE2(void);
extern void WebPInitSharpYUVSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitSmartYUVSSE2(void) {
WebPSmartYUVUpdateY = SmartYUVUpdateY_SSE2;
WebPSmartYUVUpdateRGB = SmartYUVUpdateRGB_SSE2;
WebPSmartYUVFilterRow = SmartYUVFilterRow_SSE2;
WEBP_TSAN_IGNORE_FUNCTION void WebPInitSharpYUVSSE2(void) {
WebPSharpYUVUpdateY = SharpYUVUpdateY_SSE2;
WebPSharpYUVUpdateRGB = SharpYUVUpdateRGB_SSE2;
WebPSharpYUVFilterRow = SharpYUVFilterRow_SSE2;
}
#else // !WEBP_USE_SSE2
WEBP_DSP_INIT_STUB(WebPInitSamplersSSE2)
WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE2)
WEBP_DSP_INIT_STUB(WebPInitSmartYUVSSE2)
WEBP_DSP_INIT_STUB(WebPInitSharpYUVSSE2)
#endif // WEBP_USE_SSE2

16
src/enc/picture_csp_enc.c
View File

@ -153,7 +153,7 @@ static int RGBToV(int r, int g, int b, VP8Random* const rg) {
}
//------------------------------------------------------------------------------
// Smart RGB->YUV conversion
// Sharp RGB->YUV conversion
static const int kNumIterations = 4;
static const int kMinDimensionIterativeConversion = 4;
@ -353,8 +353,8 @@ static void InterpolateTwoRows(const fixed_y_t* const best_y,
out1[0] = Filter2(cur_uv[0], prev_uv[0], best_y[0]);
out2[0] = Filter2(cur_uv[0], next_uv[0], best_y[w]);
WebPSmartYUVFilterRow(cur_uv, prev_uv, len, best_y + 0 + 1, out1 + 1);
WebPSmartYUVFilterRow(cur_uv, next_uv, len, best_y + w + 1, out2 + 1);
WebPSharpYUVFilterRow(cur_uv, prev_uv, len, best_y + 0 + 1, out1 + 1);
WebPSharpYUVFilterRow(cur_uv, next_uv, len, best_y + w + 1, out2 + 1);
// special boundary case for i == w - 1 when w is even
if (!(w & 1)) {
@ -527,8 +527,8 @@ static int PreprocessARGB(const uint8_t* r_ptr,
UpdateChroma(src1, src2, best_rgb_uv, uv_w);
// update two rows of Y and one row of RGB
diff_y_sum += WebPSmartYUVUpdateY(target_y, best_rgb_y, best_y, 2 * w);
WebPSmartYUVUpdateRGB(target_uv, best_rgb_uv, best_uv, 3 * uv_w);
diff_y_sum += WebPSharpYUVUpdateY(target_y, best_rgb_y, best_y, 2 * w);
WebPSharpYUVUpdateRGB(target_uv, best_rgb_uv, best_uv, 3 * uv_w);
best_y += 2 * w;
best_uv += 3 * uv_w;
@ -1011,9 +1011,13 @@ int WebPPictureARGBToYUVA(WebPPicture* picture, WebPEncCSP colorspace) {
return PictureARGBToYUVA(picture, colorspace, 0.f, 0);
}
int WebPPictureSmartARGBToYUVA(WebPPicture* picture) {
int WebPPictureSharpARGBToYUVA(WebPPicture* picture) {
return PictureARGBToYUVA(picture, WEBP_YUV420, 0.f, 1);
}
// for backward compatibility
int WebPPictureSmartARGBToYUVA(WebPPicture* picture) {
return WebPPictureSharpARGBToYUVA(picture);
}
//------------------------------------------------------------------------------
// call for YUVA -> ARGB conversion

2
src/enc/webp_enc.c
View File

@ -343,7 +343,7 @@ int WebPEncode(const WebPConfig* config, WebPPicture* pic) {
if (pic->use_argb || pic->y == NULL || pic->u == NULL || pic->v == NULL) {
// Make sure we have YUVA samples.
if (config->preprocessing & 4) {
if (!WebPPictureSmartARGBToYUVA(pic)) {
if (!WebPPictureSharpARGBToYUVA(pic)) {
return 0;
}
} else {

8
src/webp/encode.h
View File

@ -20,7 +20,7 @@
extern "C" {
#endif
#define WEBP_ENCODER_ABI_VERSION 0x020c // MAJOR(8b) + MINOR(8b)
#define WEBP_ENCODER_ABI_VERSION 0x020d // MAJOR(8b) + MINOR(8b)
// Note: forward declaring enumerations is not allowed in (strict) C and C++,
// the types are left here for reference.
@ -484,11 +484,13 @@ WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture,
WEBP_EXTERN(int) WebPPictureARGBToYUVADithered(
WebPPicture* picture, WebPEncCSP colorspace, float dithering);
// Performs 'smart' RGBA->YUVA420 downsampling and colorspace conversion.
// Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion.
// Downsampling is handled with extra care in case of color clipping. This
// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better
// YUV representation.
// and sharper YUV representation.
// Returns false in case of error.
WEBP_EXTERN(int) WebPPictureSharpARGBToYUVA(WebPPicture* picture);
// kept for backward compatibility:
WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture);
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.