diff options
Diffstat (limited to 'media/base/yuv_row.h')
| -rw-r--r-- | media/base/yuv_row.h | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/media/base/yuv_row.h b/media/base/yuv_row.h index 2d8a9a6..7855b9b 100644 --- a/media/base/yuv_row.h +++ b/media/base/yuv_row.h @@ -19,7 +19,7 @@ void FastConvertYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width); + int source_width); // Can do 1x, half size or any scale down by an integer amount. // Step can be negative (mirroring, rotate 180). @@ -28,7 +28,7 @@ void ConvertYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width, + int source_width, int step); // Rotate is like Convert, but applies different step to Y versus U and V. @@ -38,7 +38,7 @@ void RotateConvertYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width, + int source_width, int ystep, int uvstep); @@ -48,7 +48,7 @@ void DoubleYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width); + int source_width); // Handles arbitrary scaling up or down. // Mirroring is supported, but not 90 or 270 degree rotation. @@ -58,16 +58,26 @@ void ScaleYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width, - int scaled_dx); + int source_width, + int source_dx); void LinearScaleYUVToRGB32Row(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, - int width, + int source_width, int dx); -} // extern "C" + +#if defined(_MSC_VER) +#define SIMD_ALIGNED(var) __declspec(align(16)) var +#else +#define SIMD_ALIGNED(var) var __attribute__((aligned(16))) +#endif +extern SIMD_ALIGNED(int16 kCoefficientsRgbY[768][4]); + +// Method to force C version. +//#define USE_MMX 0 +//#define USE_SSE2 0 #if !defined(USE_MMX) // Windows, Mac and Linux/BSD use MMX @@ -78,15 +88,17 @@ void LinearScaleYUVToRGB32Row(const uint8* y_buf, #endif #endif -#if !defined(USE_SSE) +#if !defined(USE_SSE2) #if defined(__SSE2__) || defined(ARCH_CPU_X86_64) || _M_IX86_FP==2 -#define USE_SSE 1 +#define USE_SSE2 1 #else -#define USE_SSE 0 +#define USE_SSE2 0 #endif #endif // x64 uses MMX2 (SSE) so emms is not required. +// Warning C4799: function has no EMMS instruction. +// EMMS() is slow and should be called by the calling function once per image. #if USE_MMX && !defined(ARCH_CPU_X86_64) #if defined(_MSC_VER) #define EMMS() __asm emms @@ -98,4 +110,6 @@ void LinearScaleYUVToRGB32Row(const uint8* y_buf, #define EMMS() #endif +} // extern "C" + #endif // MEDIA_BASE_YUV_ROW_H_ |