diff options
Diffstat (limited to 'src/video_out/yuv2rgb.h')
| -rw-r--r-- | src/video_out/yuv2rgb.h | 166 |
1 files changed, 102 insertions, 64 deletions
diff --git a/src/video_out/yuv2rgb.h b/src/video_out/yuv2rgb.h index 493481260..6efa64f28 100644 --- a/src/video_out/yuv2rgb.h +++ b/src/video_out/yuv2rgb.h @@ -4,113 +4,151 @@ #include <inttypes.h> +typedef struct yuv2rgb_s yuv2rgb_t; + +typedef struct yuv2rgb_factory_s yuv2rgb_factory_t; + +/* + * function types for functions which can be replaced + * by hardware-accelerated versions + */ /* internal function use to scale yuv data */ typedef void (*scale_line_func_t) (uint8_t *source, uint8_t *dest, int width, int step); +typedef void (*yuv2rgb_fun_t) (yuv2rgb_t *this, uint8_t * image, uint8_t * py, + uint8_t * pu, uint8_t * pv) ; + +typedef void (*yuy22rgb_fun_t) (yuv2rgb_t *this, uint8_t * image, uint8_t * p); + +typedef uint32_t (*yuv2rgb_single_pixel_fun_t) (yuv2rgb_t *this, uint8_t y, + uint8_t u, uint8_t v); + /* * modes supported - feel free to implement yours */ -#define MODE_8_RGB 1 -#define MODE_8_BGR 2 -#define MODE_15_RGB 3 -#define MODE_15_BGR 4 -#define MODE_16_RGB 5 -#define MODE_16_BGR 6 -#define MODE_24_RGB 7 -#define MODE_24_BGR 8 -#define MODE_32_RGB 9 -#define MODE_32_BGR 10 -#define MODE_8_GRAY 11 +#define MODE_8_RGB 1 +#define MODE_8_BGR 2 +#define MODE_15_RGB 3 +#define MODE_15_BGR 4 +#define MODE_16_RGB 5 +#define MODE_16_BGR 6 +#define MODE_24_RGB 7 +#define MODE_24_BGR 8 +#define MODE_32_RGB 9 +#define MODE_32_BGR 10 +#define MODE_8_GRAY 11 #define MODE_PALETTE 12 -typedef struct yuv2rgb_s yuv2rgb_t; - struct yuv2rgb_s { /* + * configure converter for scaling factors + */ + int (*configure) (yuv2rgb_t *this, + int source_width, int source_height, + int y_stride, int uv_stride, + int dest_width, int dest_height, + int rgb_stride); + + /* * this is the function to call for the yuv2rgb and scaling process */ - void (*yuv2rgb_fun) (yuv2rgb_t *this, uint8_t * image, uint8_t * py, - uint8_t * pu, uint8_t * pv) ; + yuv2rgb_fun_t yuv2rgb_fun; /* * this is the function to call for the yuy2->rgb and scaling process */ - void (*yuy22rgb_fun) (yuv2rgb_t *this, uint8_t * image, uint8_t * p); + yuy22rgb_fun_t yuy22rgb_fun; /* * this is the function to call for the yuv2rgb for a single pixel * (used for converting clut colors) */ - uint32_t (*yuv2rgb_single_pixel_fun) (yuv2rgb_t *this, uint8_t y, - uint8_t u, uint8_t v); + + yuv2rgb_single_pixel_fun_t yuv2rgb_single_pixel_fun; /* private stuff below */ - uint32_t matrix_coefficients; - int source_width, source_height; - int y_stride, uv_stride; - int dest_width, dest_height; - int rgb_stride; - int step_dx, step_dy; - int do_scale; - uint8_t *y_buffer; - uint8_t *u_buffer; - uint8_t *v_buffer; - void *y_chunk; - void *u_chunk; - void *v_chunk; - - void *table_rV[256]; - void *table_gU[256]; - int table_gV[256]; - void *table_bU[256]; - - uint8_t *fast_rgb; + int source_width, source_height; + int y_stride, uv_stride; + int dest_width, dest_height; + int rgb_stride; + int step_dx, step_dy; + int do_scale; + + uint8_t *y_buffer; + uint8_t *u_buffer; + uint8_t *v_buffer; + void *y_chunk; + void *u_chunk; + void *v_chunk; + + void **table_rV; + void **table_gU; + int *table_gV; + void **table_bU; + + uint8_t *cmap; scale_line_func_t scale_line; - int gamma; - int entry_size; } ; - -/* call once on startup */ -yuv2rgb_t *yuv2rgb_init (int mode, int swapped, uint8_t *colormap); - /* - * set up yuv2rgb function, determine scaling parameters if necessary - * returns 0 on failure, 1 otherwise + * convenience class to easily create a lot of converters */ -int yuv2rgb_setup (yuv2rgb_t *this, - int source_width, int source_height, - int y_stride, int uv_stride, - int dest_width, int dest_height, - int rgb_stride); -/* adjust gamma (-100 to 100 looks fine) */ -void yuv2rgb_set_gamma (yuv2rgb_t *this, int gamma); +struct yuv2rgb_factory_s { + + yuv2rgb_t* (*create_converter) (yuv2rgb_factory_t *this); + + /* + * adjust gamma (-100 to 100 looks fine) + * for all converters produced by this factory + */ + void (*set_gamma) (yuv2rgb_factory_t *this, int gamma); -/* get gamma value */ -int yuv2rgb_get_gamma (yuv2rgb_t *this); + /* + * get gamma value + */ + int (*get_gamma) (yuv2rgb_factory_t *this); + /* private data */ + + int mode; + int swapped; + uint8_t *cmap; + + int gamma; + int entry_size; + + uint32_t matrix_coefficients; + + void *table_rV[256]; + void *table_gU[256]; + int table_gV[256]; + void *table_bU[256]; + + /* preselected functions for mode/swap/hardware */ + yuv2rgb_fun_t *yuv2rgb_fun; + yuy22rgb_fun_t *yuy22rgb_fun; + yuv2rgb_single_pixel_fun_t *yuv2rgb_single_pixel_fun; + +}; + +yuv2rgb_factory_t *yuv2rgb_factory_init (int mode, int swapped, uint8_t *colormap); + /* * internal stuff below this line */ void mmx_yuv2rgb_set_gamma(int gamma); -void yuv2rgb_init_mmxext (yuv2rgb_t *this, int mode, int swapped); -void yuv2rgb_init_mmx (yuv2rgb_t *this, int mode, int swapped); -void yuv2rgb_init_mlib (yuv2rgb_t *this, int mode, int swapped); - -/* -void Color565DitherYV12MMX1X(unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int rows, int cols, int mod ); -*/ +void yuv2rgb_init_mmxext (yuv2rgb_factory_t *this); +void yuv2rgb_init_mmx (yuv2rgb_factory_t *this); +void yuv2rgb_init_mlib (yuv2rgb_factory_t *this); #endif |