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[AudioToolbox] Make P/Invokes in AudioSession.cs have blittable signatures. #19834

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Jan 23, 2024
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[AudioToolbox] Make P/Invokes in AudioSession.cs have blittable signatures. #19834

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20 changes: 10 additions & 10 deletions src/AudioToolbox/AudioSession.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -345,39 +345,39 @@ static void Interruption (IntPtr userData, uint state)
}

[DllImport (Constants.AudioToolboxLibrary)]
extern static OSStatus AudioSessionSetActive ([MarshalAs (UnmanagedType.I1)] bool active);
extern static OSStatus AudioSessionSetActive (byte active);

public static void SetActive (bool active)
{
int k = AudioSessionSetActive (active);
int k = AudioSessionSetActive (active ? (byte) 1 : (byte) 0);
if (k != 0)
throw new AudioSessionException (k);
}

[DllImport (Constants.AudioToolboxLibrary)]
extern static AudioSessionErrors AudioSessionSetActiveWithFlags ([MarshalAs (UnmanagedType.I1)] bool active, AudioSessionActiveFlags inFlags);
extern static AudioSessionErrors AudioSessionSetActiveWithFlags (byte active, AudioSessionActiveFlags inFlags);

public static AudioSessionErrors SetActive (bool active, AudioSessionActiveFlags flags)
{
return AudioSessionSetActiveWithFlags (active, flags);
return AudioSessionSetActiveWithFlags (active ? (byte) 1 : (byte) 0, flags);
}

[DllImport (Constants.AudioToolboxLibrary)]
extern static OSStatus AudioSessionGetProperty (AudioSessionProperty id, ref int size, IntPtr data);
unsafe extern static OSStatus AudioSessionGetProperty (AudioSessionProperty id, int* size, IntPtr data);

[DllImport (Constants.AudioToolboxLibrary)]
extern static OSStatus AudioSessionSetProperty (AudioSessionProperty id, int size, IntPtr data);

[DllImport (Constants.AudioToolboxLibrary)]
// deprecated in iOS7 but not exposed / used anywhere
extern static OSStatus AudioSessionGetPropertySize (AudioSessionProperty id, out int size);
unsafe extern static OSStatus AudioSessionGetPropertySize (AudioSessionProperty id, int* size);

static double GetDouble (AudioSessionProperty property)
{
unsafe {
double val = 0;
int size = 8;
int k = AudioSessionGetProperty (property, ref size, (IntPtr) (&val));
int k = AudioSessionGetProperty (property, &size, (IntPtr) (&val));
if (k != 0)
throw new AudioSessionException (k);

Expand All @@ -390,7 +390,7 @@ static float GetFloat (AudioSessionProperty property)
unsafe {
float val = 0;
int size = 4;
int k = AudioSessionGetProperty (property, ref size, (IntPtr) (&val));
int k = AudioSessionGetProperty (property, &size, (IntPtr) (&val));
if (k != 0)
throw new AudioSessionException (k);
return val;
Expand All @@ -402,7 +402,7 @@ static int GetInt (AudioSessionProperty property)
unsafe {
int val = 0;
int size = 4;
int k = AudioSessionGetProperty (property, ref size, (IntPtr) (&val));
int k = AudioSessionGetProperty (property, &size, (IntPtr) (&val));
if (k != 0)
throw new AudioSessionException (k);

Expand All @@ -415,7 +415,7 @@ static IntPtr GetIntPtr (AudioSessionProperty property)
unsafe {
IntPtr val;
int size = IntPtr.Size;
int k = AudioSessionGetProperty (property, ref size, (IntPtr) (&val));
int k = AudioSessionGetProperty (property, &size, (IntPtr) (&val));
if (k != 0)
throw new AudioSessionException (k);

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