Initial commit

driver/VC_MuteControl.h

@@ -0,0 +1,98 @@
+// This file is part of Background Music.
+//
+// Background Music is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 2 of the
+// License, or (at your option) any later version.
+//
+// Background Music is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Background Music. If not, see <http://www.gnu.org/licenses/>.
+
+//
+//  VC_MuteControl.h
+//  VCDriver
+//
+//  Copyright © 2017 Kyle Neideck
+//
+
+#ifndef VCDriver__VC_MuteControl
+#define VCDriver__VC_MuteControl
+
+// Superclass Includes
+#include "VC_Control.h"
+
+// PublicUtility Includes
+#include "CAMutex.h"
+
+// System Includes
+#include <MacTypes.h>
+#include <CoreAudio/CoreAudio.h>
+
+
+#pragma clang assume_nonnull begin
+
+class VC_MuteControl
+:
+    public VC_Control
+{
+
+#pragma mark Construction/Destruction
+
+public:
+                              VC_MuteControl(AudioObjectID inObjectID,
+                                              AudioObjectID inOwnerObjectID,
+                                              AudioObjectPropertyScope inScope =
+                                                      kAudioObjectPropertyScopeOutput,
+                                              AudioObjectPropertyElement inElement =
+                                                      kAudioObjectPropertyElementMaster);
+
+#pragma mark Property Operations
+
+    bool                      HasProperty(AudioObjectID inObjectID,
+                                          pid_t inClientPID,
+                                          const AudioObjectPropertyAddress& inAddress) const;
+
+    bool                      IsPropertySettable(AudioObjectID inObjectID,
+                                                 pid_t inClientPID,
+                                                 const AudioObjectPropertyAddress& inAddress) const;
+
+    UInt32                    GetPropertyDataSize(AudioObjectID inObjectID,
+                                                  pid_t inClientPID,
+                                                  const AudioObjectPropertyAddress& inAddress,
+                                                  UInt32 inQualifierDataSize,
+                                                  const void* inQualifierData) const;
+
+    void                      GetPropertyData(AudioObjectID inObjectID,
+                                              pid_t inClientPID,
+                                              const AudioObjectPropertyAddress& inAddress,
+                                              UInt32 inQualifierDataSize,
+                                              const void* inQualifierData,
+                                              UInt32 inDataSize,
+                                              UInt32& outDataSize,
+                                              void* outData) const;
+
+    void                      SetPropertyData(AudioObjectID inObjectID,
+                                              pid_t inClientPID,
+                                              const AudioObjectPropertyAddress& inAddress,
+                                              UInt32 inQualifierDataSize,
+                                              const void* inQualifierData,
+                                              UInt32 inDataSize,
+                                              const void* inData);
+
+#pragma mark Implementation
+
+private:
+    CAMutex                   mMutex;
+    bool                      mMuted;
+
+};
+
+#pragma clang assume_nonnull end
+
+#endif /* VCDriver__VC_MuteControl */
+