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https://github.com/Ryujinx/SDL2-CS.git
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SDL_audio implemented. Function pointers are a concern here.
This commit is contained in:
Ethan Lee
parent
0d4525d7cb
commit
332ab6a8ae
166
src/SDL2.cs
166
src/SDL2.cs
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@ -3723,6 +3723,8 @@ namespace SDL2
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SDL_AUDIO_ALLOW_CHANNELS_CHANGE
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);
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public const int SDL_MIX_MAXVOLUME = 128;
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public enum SDL_AudioStatus
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{
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SDL_AUDIO_STOPPED,
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@ -3771,6 +3773,170 @@ namespace SDL2
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string driver_name
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);
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[DllImport(nativeLibName)]
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public static extern void SDL_AudioQuit();
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/* src_format and dst_format refer to an SDL_AudioFormat */
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[DllImport(nativeLibName)]
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public static extern int SDL_BuildAudioCVT(
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ref SDL_AudioCVT cvt,
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ushort src_format,
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byte src_channels,
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int src_rate,
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ushort dst_format,
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byte dst_channels,
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int dst_rate
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);
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[DllImport(nativeLibName)]
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public static extern void SDL_CloseAudio();
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/* dev refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern void SDL_CloseAudioDevice(uint dev);
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[DllImport(nativeLibName)]
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public static extern void SDL_ConvertAudio(ref SDL_AudioCVT cvt);
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/* audio_buf refers to a malloc()'d buffer from SDL_LoadWAV */
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[DllImport(nativeLibName)]
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public static extern void SDL_FreeWav(IntPtr audio_buf);
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[DllImport(nativeLibName, EntryPoint = "SDL_GetAudioDeviceName")]
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private static extern IntPtr INTERNAL_SDL_GetAudioDeviceName(
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int index,
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int iscapture
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);
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public static string SDL_GetAudioDeviceName(
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int index,
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int iscapture
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) {
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return Marshal.PtrToStringAnsi(
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INTERNAL_SDL_GetAudioDeviceName(index, iscapture)
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);
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}
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/* dev refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern SDL_AudioStatus SDL_GetAudioDeviceStatus(
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uint dev
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);
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[DllImport(nativeLibName, EntryPoint = "SDL_GetAudioDriver")]
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private static extern IntPtr INTERNAL_SDL_GetAudioDriver(int index);
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public static string SDL_GetAudioDriver(int index)
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{
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return Marshal.PtrToStringAnsi(
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INTERNAL_SDL_GetAudioDriver(index)
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);
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}
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[DllImport(nativeLibName)]
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public static extern SDL_AudioStatus SDL_GetAudioStatus();
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[DllImport(nativeLibName, EntryPoint = "SDL_GetCurrentAudioDriver")]
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private static extern IntPtr INTERNAL_SDL_GetCurrentAudioDriver();
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public static string SDL_GetCurrentAudioDriver()
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{
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return Marshal.PtrToStringAnsi(
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INTERNAL_SDL_GetCurrentAudioDriver()
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);
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}
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[DllImport(nativeLibName)]
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public static extern int SDL_GetNumAudioDevices(int iscapture);
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[DllImport(nativeLibName)]
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public static extern int SDL_GetNumAudioDrivers();
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/* audio_buf will refer to a malloc()'d byte buffer */
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[DllImport(nativeLibName, EntryPoint = "SDL_LoadWAV")]
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private static extern IntPtr INTERNAL_SDL_LoadWAV(
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[InAttribute()] [MarshalAsAttribute(UnmanagedType.LPStr)]
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string filename,
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ref SDL_AudioSpec spec,
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ref IntPtr audio_buf,
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ref uint audio_len
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);
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public static SDL_AudioSpec SDL_LoadWAV(
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string filename,
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ref SDL_AudioSpec spec,
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ref IntPtr audio_buf,
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ref uint audio_len
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) {
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SDL_AudioSpec result;
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IntPtr result_ptr = INTERNAL_SDL_LoadWAV(
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filename,
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ref spec,
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ref audio_buf,
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ref audio_len
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);
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result = (SDL_AudioSpec) Marshal.PtrToStructure(
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result_ptr,
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result.GetType()
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);
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return result;
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}
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[DllImport(nativeLibName)]
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public static extern void SDL_LockAudio();
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/* dev refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern void SDL_LockAudioDevice(uint dev);
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[DllImport(nativeLibName)]
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public static extern void SDL_MixAudio(
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byte[] dst,
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byte[] src,
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uint len,
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int volume
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);
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/* format refers to an SDL_AudioFormat */
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[DllImport(nativeLibName)]
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public static extern void SDL_MixAudioFormat(
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byte[] dst,
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byte[] src,
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ushort format,
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uint len,
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int volume
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);
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[DllImport(nativeLibName)]
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public static extern int SDL_OpenAudio(
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ref SDL_AudioSpec desired,
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ref SDL_AudioSpec obtained
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);
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/* uint refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern uint SDL_OpenAudioDevice(
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[InAttribute()] [MarshalAsAttribute(UnmanagedType.LPStr)]
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string device,
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int iscapture,
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ref SDL_AudioSpec desired,
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ref SDL_AudioSpec obtained,
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int allowed_changes
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);
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[DllImport(nativeLibName)]
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public static extern void SDL_PauseAudio(int pause_on);
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/* dev refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern void SDL_PauseAudioDevice(
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uint dev,
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int pause_on
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);
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[DllImport(nativeLibName)]
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public static extern void SDL_UnlockAudio();
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/* dev refers to an SDL_AudioDeviceID */
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[DllImport(nativeLibName)]
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public static extern void SDL_UnlockAudioDevice(uint dev);
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#endregion
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}
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}
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