129 lines
5.1 KiB
Zig
129 lines
5.1 KiB
Zig
const std = @import("std");
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pub const c = @import("c.zig").c;
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pub const PixelFormat = enum(c_int) {
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pixelformatYv12 = 0x32315659, //Planar mode: Y + V + U (3 planes)
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pixelformatIyuv = 0x56555949, //Planar mode: Y + U + V (3 planes)
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pixelformatYuy2 = 0x32595559, //Packed mode: Y0+U0+Y1+V0 (1 plane)
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pixelformatUyvy = 0x59565955, //Packed mode: U0+Y0+V0+Y1 (1 plane)
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pixelformatYvyu = 0x55595659, //Packed mode: Y0+V0+Y1+U0 (1 plane)
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pixelformatNv12 = 0x3231564e, //Planar mode: Y + U/V interleaved (2 planes)
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pixelformatNv21 = 0x3132564e, //Planar mode: Y + V/U interleaved (2 planes)
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pixelformatP010 = 0x30313050, //Planar mode: Y + U/V interleaved (2 planes)
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pixelformatExternalOes = 0x2053454f, //Android video texture format
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pixelformatMjpg = 0x47504a4d, //Motion JPEG
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};
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pub const Surface = opaque {};
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pub const Colorspace = enum(c_int) {
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colorspaceSrgb = 0x120005a0, //Equivalent to DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709
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colorRangeFull,
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colorPrimariesBt709,
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transferCharacteristicsSrgb,
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matrixCoefficientsIdentity,
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colorspaceSrgbLinear = 0x12000500, //Equivalent to DXGI_COLOR_SPACE_RGB_FULL_G10_NONE_P709
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transferCharacteristicsLinear,
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colorspaceHdr10 = 0x12002600, //Equivalent to DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020
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colorPrimariesBt2020,
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transferCharacteristicsPq,
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colorspaceJpeg = 0x220004c6, //Equivalent to DXGI_COLOR_SPACE_YCBCR_FULL_G22_NONE_P709_X601
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transferCharacteristicsBt601,
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matrixCoefficientsBt601,
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colorspaceBt601Limited = 0x211018c6, //Equivalent to DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P601
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colorRangeLimited,
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colorPrimariesBt601,
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colorspaceBt601Full = 0x221018c6, //Equivalent to DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P601
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colorspaceBt709Limited = 0x21100421, //Equivalent to DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P709
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transferCharacteristicsBt709,
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matrixCoefficientsBt709,
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colorspaceBt709Full = 0x22100421, //Equivalent to DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P709
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colorspaceBt2020Limited = 0x21102609, //Equivalent to DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P2020
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matrixCoefficientsBt2020Ncl,
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colorspaceBt2020Full = 0x22102609, //Equivalent to DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P2020
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pub const colorspaceRgbDefault = .colorspaceSrgb; //The default colorspace for RGB surfaces if no colorspace is specified
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pub const colorspaceYuvDefault = .colorspaceJpeg; //The default colorspace for YUV surfaces if no colorspace is specified
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};
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pub const PropertiesID = u32;
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pub const CameraID = u32;
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pub const Camera = opaque {
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pub inline fn getCameraPermissionState(camera: *Camera) c_int {
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return c.SDL_GetCameraPermissionState(@ptrCast(camera));
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}
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pub inline fn getCameraID(camera: *Camera) CameraID {
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return c.SDL_GetCameraID(@ptrCast(camera));
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}
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pub inline fn getCameraProperties(camera: *Camera) PropertiesID {
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return c.SDL_GetCameraProperties(@ptrCast(camera));
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}
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pub inline fn getCameraFormat(camera: *Camera, spec: ?*CameraSpec) bool {
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return @bitCast(c.SDL_GetCameraFormat(@ptrCast(camera), @ptrCast(spec)));
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}
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pub inline fn acquireCameraFrame(camera: *Camera, timestampNS: *u64) ?*Surface {
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return @ptrCast(c.SDL_AcquireCameraFrame(@ptrCast(camera), @ptrCast(timestampNS)));
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}
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pub inline fn releaseCameraFrame(camera: *Camera, frame: ?*Surface) void {
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return c.SDL_ReleaseCameraFrame(@ptrCast(camera), @ptrCast(frame));
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}
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pub inline fn closeCamera(camera: *Camera) void {
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return c.SDL_CloseCamera(@ptrCast(camera));
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}
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};
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pub const CameraSpec = extern struct {
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format: PixelFormat, // Frame format
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colorspace: Colorspace, // Frame colorspace
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width: c_int, // Frame width
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height: c_int, // Frame height
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framerate_numerator: c_int, // Frame rate numerator ((num / denom) == FPS, (denom / num) == duration in seconds)
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framerate_denominator: c_int, // Frame rate denominator ((num / denom) == FPS, (denom / num) == duration in seconds)
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};
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pub const CameraPosition = enum(c_int) {
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cameraPositionUnknown,
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cameraPositionFrontFacing,
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cameraPositionBackFacing,
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};
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pub inline fn getNumCameraDrivers() c_int {
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return c.SDL_GetNumCameraDrivers();
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}
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pub inline fn getCameraDriver(index: c_int) [*c]const u8 {
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return c.SDL_GetCameraDriver(index);
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}
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pub inline fn getCurrentCameraDriver() [*c]const u8 {
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return c.SDL_GetCurrentCameraDriver();
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}
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pub inline fn getCameras(count: *c_int) ?*CameraID {
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return @ptrCast(c.SDL_GetCameras(@ptrCast(count)));
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}
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pub inline fn getCameraSupportedFormats(instance_id: CameraID, count: *c_int) [*c]?*CameraSpec {
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return c.SDL_GetCameraSupportedFormats(instance_id, @ptrCast(count));
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}
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pub inline fn getCameraName(instance_id: CameraID) [*c]const u8 {
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return c.SDL_GetCameraName(instance_id);
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}
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pub inline fn getCameraPosition(instance_id: CameraID) CameraPosition {
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return c.SDL_GetCameraPosition(instance_id);
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}
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pub inline fn openCamera(instance_id: CameraID, spec: ?*const CameraSpec) ?*Camera {
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return @ptrCast(c.SDL_OpenCamera(instance_id, @ptrCast(spec)));
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}
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