数据结构

typedef struct
{
    unsigned long long addr[3]; /* address of frame buffer,
    single addr for interleaved fomart,
    double addr for semi-planar fomart
    triple addr for planar format */
    disp_rectsz size[3]; //size for 3 component,unit: pixels
    unsigned int align[3]; //align for 3 comonent,unit: bytes(align=2^n,i.e
    .1/2/4/8/16/32..
    disp_pixel_format format;
    disp_color_space color_space; //color space
    unsigned int trd_right_addr[3];/* right address of 3d fb,
    used when in frame packing 3d mode */
    bool pre_multiply; //true: pre-multiply fb
    disp_rect64 crop; //crop rectangle boundaries
    disp_buffer_flags flags; //indicate stereo or non-stereo buffer
    disp_scan_flags scan; //scan type & scan order
}disp_fb_info;

typedef struct
{
    disp_layer_mode mode;
    unsigned char zorder; /*specifies the front-to-back ordering of the layers on
    the screen,
    the top layer having the highest Z value
    can't set zorder, but can get */
    unsigned char alpha_mode; //0: pixel alpha; 1: global alpha; 2: global
    pixel alpha
    unsigned char alpha_value; //global alpha value
    disp_rect screen_win; //display window on the screen
    bool b_trd_out; //3d display
    disp_3d_out_mode out_trd_mode;//3d display mode
    union {
        unsigned int color; //valid when LAYER_MODE_COLOR
        disp_fb_info fb; //framebuffer, valid when LAYER_MODE_BUFFER
    };
    unsigned int id; /* frame id, can get the id of frame display currently
    by DISP_LAYER_GET_FRAME_ID */
}disp_layer_info;

typedef struct
{
    disp_layer_info info;
    bool enable;
    unsigned int channel;
    unsigned int layer_id;
}disp_layer_config;

typedef struct
{
    u8 alpha;
    u8 red;
    u8 green;
    u8 blue;
}disp_color_info;

typedef struct
{
    s32 x;
    s32 y;
    u32 width;
    u32 height;
}disp_rect;

typedef struct
{
    long long x;
    long long y;
    long long width;
    long long height;
}disp_rect64;

typedef struct
{
    s32 x;
    s32 y;
}disp_posistion;

typedef struct
{
    u32 width;
    u32 height;
}disp_rectsz;

typedef enum
{
    DISP_FORMAT_ARGB_8888 = 0x00,//MSB A-R-G-B LSB
    DISP_FORMAT_ABGR_8888 = 0x01,
    DISP_FORMAT_RGBA_8888 = 0x02,
    DISP_FORMAT_BGRA_8888 = 0x03,
    DISP_FORMAT_XRGB_8888 = 0x04,
    DISP_FORMAT_XBGR_8888 = 0x05,
    DISP_FORMAT_RGBX_8888 = 0x06,
    DISP_FORMAT_BGRX_8888 = 0x07,
    DISP_FORMAT_RGB_888 = 0x08,
    DISP_FORMAT_BGR_888 = 0x09,
    DISP_FORMAT_RGB_565 = 0x0a,
    DISP_FORMAT_BGR_565 = 0x0b,
    DISP_FORMAT_ARGB_4444 = 0x0c,
    DISP_FORMAT_ABGR_4444 = 0x0d,
    DISP_FORMAT_RGBA_4444 = 0x0e,
    DISP_FORMAT_BGRA_4444 = 0x0f,
    DISP_FORMAT_ARGB_1555 = 0x10,
    DISP_FORMAT_ABGR_1555 = 0x11,
    DISP_FORMAT_RGBA_5551 = 0x12,
    DISP_FORMAT_BGRA_5551 = 0x13,
    /* SP: semi-planar, P:planar, I:interleaved
    * UVUV: U in the LSBs; VUVU: V in the LSBs */
    DISP_FORMAT_YUV444_I_AYUV = 0x40,//MSB A-Y-U-V LSB
    DISP_FORMAT_YUV444_I_VUYA = 0x41,//MSB V-U-Y-A LSB
    DISP_FORMAT_YUV422_I_YVYU = 0x42,//MSB Y-V-Y-U LSB
    DISP_FORMAT_YUV422_I_YUYV = 0x43,//MSB Y-U-Y-V LSB
    DISP_FORMAT_YUV422_I_UYVY = 0x44,//MSB U-Y-V-Y LSB
    DISP_FORMAT_YUV422_I_VYUY = 0x45,//MSB V-Y-U-Y LSB
    DISP_FORMAT_YUV444_P = 0x46,//MSB P3-2-1-0 LSB, YYYY UUUU VVVV
    DISP_FORMAT_YUV422_P = 0x47,//MSB P3-2-1-0 LSB YYYY UU VV
    DISP_FORMAT_YUV420_P = 0x48,//MSB P3-2-1-0 LSB YYYY U V
    DISP_FORMAT_YUV411_P = 0x49,//MSB P3-2-1-0 LSB YYYY U V
    DISP_FORMAT_YUV422_SP_UVUV = 0x4a,//MSB V-U-V-U LSB
    DISP_FORMAT_YUV422_SP_VUVU = 0x4b,//MSB U-V-U-V LSB
    DISP_FORMAT_YUV420_SP_UVUV = 0x4c,
    DISP_FORMAT_YUV420_SP_VUVU = 0x4d,
    DISP_FORMAT_YUV411_SP_UVUV = 0x4e,
    DISP_FORMAT_YUV411_SP_VUVU = 0x4f,
}disp_pixel_format;

typedef enum
{
    DISP_BF_NORMAL = 0,//non-stereo
    DISP_BF_STEREO_TB = 1 << 0,//stereo top-bottom
    DISP_BF_STEREO_FP = 1 << 1,//stereo frame packing
    DISP_BF_STEREO_SSH = 1 << 2,//stereo side by side half
    DISP_BF_STEREO_SSF = 1 << 3,//stereo side by side full
    DISP_BF_STEREO_LI = 1 << 4,//stereo line interlace
}disp_buffer_flags;

typedef enum
{
    //for lcd
    DISP_3D_OUT_MODE_CI_1 = 0x5,//column interlaved 1
    DISP_3D_OUT_MODE_CI_2 = 0x6,//column interlaved 2
    DISP_3D_OUT_MODE_CI_3 = 0x7,//column interlaved 3
    DISP_3D_OUT_MODE_CI_4 = 0x8,//column interlaved 4
    DISP_3D_OUT_MODE_LIRGB = 0x9,//line interleaved rgb
    //for hdmi
    DISP_3D_OUT_MODE_TB = 0x0,//top bottom
    DISP_3D_OUT_MODE_FP = 0x1,//frame packing
    DISP_3D_OUT_MODE_SSF = 0x2,//side by side full
    DISP_3D_OUT_MODE_SSH = 0x3,//side by side half
    DISP_3D_OUT_MODE_LI = 0x4,//line interleaved
    DISP_3D_OUT_MODE_FA = 0xa,//field alternative
}disp_3d_out_mode;

typedef enum
{
    DISP_BT601 = 0,
    DISP_BT709 = 1,
    DISP_YCC = 2,
}disp_color_mode;

typedef enum
{
    DISP_OUTPUT_TYPE_NONE = 0,
    DISP_OUTPUT_TYPE_LCD = 1,
    DISP_OUTPUT_TYPE_TV = 2,
    DISP_OUTPUT_TYPE_HDMI = 4,
    DISP_OUTPUT_TYPE_VGA = 8,
}disp_output_type;

typedef enum
{
    DISP_TV_MOD_480I = 0,
    DISP_TV_MOD_576I = 1,
    DISP_TV_MOD_480P = 2,
    DISP_TV_MOD_576P = 3,
    DISP_TV_MOD_720P_50HZ = 4,
    DISP_TV_MOD_720P_60HZ = 5,
    DISP_TV_MOD_1080I_50HZ = 6,
    DISP_TV_MOD_1080I_60HZ = 7,
    DISP_TV_MOD_1080P_24HZ = 8,
    DISP_TV_MOD_1080P_50HZ = 9,
    DISP_TV_MOD_1080P_60HZ = 0xa,
    DISP_TV_MOD_1080P_24HZ_3D_FP = 0x17,
    DISP_TV_MOD_720P_50HZ_3D_FP = 0x18,
    DISP_TV_MOD_720P_60HZ_3D_FP = 0x19,
    DISP_TV_MOD_1080P_25HZ = 0x1a,
    DISP_TV_MOD_1080P_30HZ = 0x1b,
    DISP_TV_MOD_PAL = 0xb,
    DISP_TV_MOD_PAL_SVIDEO = 0xc,
    DISP_TV_MOD_NTSC = 0xe,
    DISP_TV_MOD_NTSC_SVIDEO = 0xf,
    DISP_TV_MOD_PAL_M = 0x11,
    DISP_TV_MOD_PAL_M_SVIDEO = 0x12,
    DISP_TV_MOD_PAL_NC = 0x14,
    DISP_TV_MOD_PAL_NC_SVIDEO = 0x15,
    DISP_TV_MOD_3840_2160P_30HZ = 0x1c,
    DISP_TV_MOD_3840_2160P_25HZ = 0x1d,
    DISP_TV_MOD_3840_2160P_24HZ = 0x1e,
    DISP_TV_MODE_NUM = 0x1f,
}disp_tv_mode;

typedef struct
{
    unsigned int type;
    unsigned int mode;
}disp_output;

typedef enum
{
    LAYER_MODE_BUFFER = 0,
    LAYER_MODE_COLOR = 1,
}disp_layer_mode;

typedef enum
{
    DISP_SCAN_PROGRESSIVE = 0,//non interlace
    DISP_SCAN_INTERLACED_ODD_FLD_FIRST = 1 << 0,//interlace ,odd field first
    DISP_SCAN_INTERLACED_EVEN_FLD_FIRST = 1 << 1,//interlace,even field first
}disp_scan_flags;