sdlparser-scrap/api/camera.zig

95 lines
3.1 KiB
Zig

const std = @import("std");
pub const c = @import("c.zig").c;
const pixels_api = @import("pixels.zig");
const surface_api = @import("surface.zig");
const properties_api = @import("properties.zig");
pub const PixelFormat = pixels_api.PixelFormat;
pub const Surface = surface_api.Surface;
pub const Colorspace = pixels_api.Colorspace;
pub const PropertiesID = properties_api.PropertiesID;
pub const CameraID = u32;
pub const Camera = opaque {
pub inline fn getCameraPermissionState(camera: *Camera) CameraPermissionState {
return c.SDL_GetCameraPermissionState(@ptrCast(camera));
}
pub inline fn getCameraID(camera: *Camera) CameraID {
return c.SDL_GetCameraID(@ptrCast(camera));
}
pub inline fn getCameraProperties(camera: *Camera) PropertiesID {
return c.SDL_GetCameraProperties(@ptrCast(camera));
}
pub inline fn getCameraFormat(camera: *Camera, spec: ?*CameraSpec) bool {
return @bitCast(c.SDL_GetCameraFormat(@ptrCast(camera), @ptrCast(spec)));
}
pub inline fn acquireCameraFrame(camera: *Camera, timestampNS: *u64) ?*Surface {
return @ptrCast(c.SDL_AcquireCameraFrame(@ptrCast(camera), @ptrCast(timestampNS)));
}
pub inline fn releaseCameraFrame(camera: *Camera, frame: ?*Surface) void {
return c.SDL_ReleaseCameraFrame(@ptrCast(camera), @ptrCast(frame));
}
pub inline fn closeCamera(camera: *Camera) void {
return c.SDL_CloseCamera(@ptrCast(camera));
}
};
pub const CameraSpec = extern struct {
format: PixelFormat, // Frame format
colorspace: Colorspace, // Frame colorspace
width: c_int, // Frame width
height: c_int, // Frame height
framerate_numerator: c_int, // Frame rate numerator ((num / denom) == FPS, (denom / num) == duration in seconds)
framerate_denominator: c_int, // Frame rate denominator ((num / denom) == FPS, (denom / num) == duration in seconds)
};
pub const CameraPosition = enum(c_int) {
cameraPositionUnknown,
cameraPositionFrontFacing,
cameraPositionBackFacing,
};
pub const CameraPermissionState = enum(c_int) {
cameraPermissionStatePending,
cameraPermissionStateApproved,
};
pub inline fn getNumCameraDrivers() c_int {
return c.SDL_GetNumCameraDrivers();
}
pub inline fn getCameraDriver(index: c_int) [*c]const u8 {
return c.SDL_GetCameraDriver(index);
}
pub inline fn getCurrentCameraDriver() [*c]const u8 {
return c.SDL_GetCurrentCameraDriver();
}
pub inline fn getCameras(count: *c_int) ?*CameraID {
return @ptrCast(c.SDL_GetCameras(@ptrCast(count)));
}
pub inline fn getCameraSupportedFormats(instance_id: CameraID, count: *c_int) [*c]?*CameraSpec {
return c.SDL_GetCameraSupportedFormats(instance_id, @ptrCast(count));
}
pub inline fn getCameraName(instance_id: CameraID) [*c]const u8 {
return c.SDL_GetCameraName(instance_id);
}
pub inline fn getCameraPosition(instance_id: CameraID) CameraPosition {
return c.SDL_GetCameraPosition(instance_id);
}
pub inline fn openCamera(instance_id: CameraID, spec: ?*const CameraSpec) ?*Camera {
return @ptrCast(c.SDL_OpenCamera(instance_id, @ptrCast(spec)));
}