diff options
Diffstat (limited to 'thirdparty/libwebp/sharpyuv/sharpyuv.h')
| -rw-r--r-- | thirdparty/libwebp/sharpyuv/sharpyuv.h | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/thirdparty/libwebp/sharpyuv/sharpyuv.h b/thirdparty/libwebp/sharpyuv/sharpyuv.h index 9386ea2185..181b20a0bc 100644 --- a/thirdparty/libwebp/sharpyuv/sharpyuv.h +++ b/thirdparty/libwebp/sharpyuv/sharpyuv.h @@ -12,15 +12,31 @@ #ifndef WEBP_SHARPYUV_SHARPYUV_H_ #define WEBP_SHARPYUV_SHARPYUV_H_ -#include <inttypes.h> - #ifdef __cplusplus extern "C" { #endif +#ifndef SHARPYUV_EXTERN +#ifdef WEBP_EXTERN +#define SHARPYUV_EXTERN WEBP_EXTERN +#else +// This explicitly marks library functions and allows for changing the +// signature for e.g., Windows DLL builds. +#if defined(__GNUC__) && __GNUC__ >= 4 +#define SHARPYUV_EXTERN extern __attribute__((visibility("default"))) +#else +#if defined(_MSC_VER) && defined(WEBP_DLL) +#define SHARPYUV_EXTERN __declspec(dllexport) +#else +#define SHARPYUV_EXTERN extern +#endif /* _MSC_VER && WEBP_DLL */ +#endif /* __GNUC__ >= 4 */ +#endif /* WEBP_EXTERN */ +#endif /* SHARPYUV_EXTERN */ + // SharpYUV API version following the convention from semver.org #define SHARPYUV_VERSION_MAJOR 0 -#define SHARPYUV_VERSION_MINOR 1 +#define SHARPYUV_VERSION_MINOR 2 #define SHARPYUV_VERSION_PATCH 0 // Version as a uint32_t. The major number is the high 8 bits. // The minor number is the middle 8 bits. The patch number is the low 16 bits. @@ -30,6 +46,10 @@ extern "C" { SHARPYUV_MAKE_VERSION(SHARPYUV_VERSION_MAJOR, SHARPYUV_VERSION_MINOR, \ SHARPYUV_VERSION_PATCH) +// Returns the library's version number, packed in hexadecimal. See +// SHARPYUV_VERSION. +SHARPYUV_EXTERN int SharpYuvGetVersion(void); + // RGB to YUV conversion matrix, in 16 bit fixed point. // y = rgb_to_y[0] * r + rgb_to_y[1] * g + rgb_to_y[2] * b + rgb_to_y[3] // u = rgb_to_u[0] * r + rgb_to_u[1] * g + rgb_to_u[2] * b + rgb_to_u[3] @@ -65,11 +85,13 @@ typedef struct { // adjacent pixels on the y, u and v channels. If yuv_bit_depth > 8, they // should be multiples of 2. // width, height: width and height of the image in pixels -int SharpYuvConvert(const void* r_ptr, const void* g_ptr, const void* b_ptr, - int rgb_step, int rgb_stride, int rgb_bit_depth, - void* y_ptr, int y_stride, void* u_ptr, int u_stride, - void* v_ptr, int v_stride, int yuv_bit_depth, int width, - int height, const SharpYuvConversionMatrix* yuv_matrix); +SHARPYUV_EXTERN int SharpYuvConvert(const void* r_ptr, const void* g_ptr, + const void* b_ptr, int rgb_step, + int rgb_stride, int rgb_bit_depth, + void* y_ptr, int y_stride, void* u_ptr, + int u_stride, void* v_ptr, int v_stride, + int yuv_bit_depth, int width, int height, + const SharpYuvConversionMatrix* yuv_matrix); // TODO(b/194336375): Add YUV444 to YUV420 conversion. Maybe also add 422 // support (it's rarely used in practice, especially for images). |