95 lines
3.1 KiB
Zig
95 lines
3.1 KiB
Zig
const std = @import("std");
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pub const c = @import("c.zig").c;
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const pixels_api = @import("pixels.zig");
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const surface_api = @import("surface.zig");
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const properties_api = @import("properties.zig");
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pub const PixelFormat = pixels_api.PixelFormat;
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pub const Surface = surface_api.Surface;
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pub const Colorspace = pixels_api.Colorspace;
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pub const PropertiesID = properties_api.PropertiesID;
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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) CameraPermissionState {
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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 const CameraPermissionState = enum(c_int) {
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cameraPermissionStatePending,
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cameraPermissionStateApproved,
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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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