/*
  <auto-generated/>
  C# bindings for Simple DirectMedia Layer.
  Original copyright notice of input files:

  Simple DirectMedia Layer
  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

using System.Runtime.InteropServices;

namespace SDL
{
    public partial struct SDL_Camera
    {
    }

    public partial struct SDL_CameraSpec
    {
        public SDL_PixelFormat format;

        public SDL_Colorspace colorspace;

        public int width;

        public int height;

        public int framerate_numerator;

        public int framerate_denominator;
    }

    public enum SDL_CameraPosition
    {
        SDL_CAMERA_POSITION_UNKNOWN,
        SDL_CAMERA_POSITION_FRONT_FACING,
        SDL_CAMERA_POSITION_BACK_FACING,
    }

    public enum SDL_CameraPermissionState
    {
        SDL_CAMERA_PERMISSION_STATE_DENIED = -1,
        SDL_CAMERA_PERMISSION_STATE_PENDING,
        SDL_CAMERA_PERMISSION_STATE_APPROVED,
    }

    public static unsafe partial class SDL3
    {
        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern int SDL_GetNumCameraDrivers();

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GetCameraDriver", ExactSpelling = true)]
        [return: NativeTypeName("const char *")]
        public static extern byte* Unsafe_SDL_GetCameraDriver(int index);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GetCurrentCameraDriver", ExactSpelling = true)]
        [return: NativeTypeName("const char *")]
        public static extern byte* Unsafe_SDL_GetCurrentCameraDriver();

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_CameraID* SDL_GetCameras(int* count);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_CameraSpec** SDL_GetCameraSupportedFormats(SDL_CameraID instance_id, int* count);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GetCameraName", ExactSpelling = true)]
        [return: NativeTypeName("const char *")]
        public static extern byte* Unsafe_SDL_GetCameraName(SDL_CameraID instance_id);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_CameraPosition SDL_GetCameraPosition(SDL_CameraID instance_id);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_Camera* SDL_OpenCamera(SDL_CameraID instance_id, [NativeTypeName("const SDL_CameraSpec *")] SDL_CameraSpec* spec);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_CameraPermissionState SDL_GetCameraPermissionState(SDL_Camera* camera);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_CameraID SDL_GetCameraID(SDL_Camera* camera);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_PropertiesID SDL_GetCameraProperties(SDL_Camera* camera);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        [return: NativeTypeName("bool")]
        public static extern SDLBool SDL_GetCameraFormat(SDL_Camera* camera, SDL_CameraSpec* spec);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern SDL_Surface* SDL_AcquireCameraFrame(SDL_Camera* camera, [NativeTypeName("Uint64 *")] ulong* timestampNS);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern void SDL_ReleaseCameraFrame(SDL_Camera* camera, SDL_Surface* frame);

        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        public static extern void SDL_CloseCamera(SDL_Camera* camera);
    }
}
