Initial commit

2026-04-14 00:04:05 +09:00 · 2026-03-15 06:02:56 +09:00
commit 010c235e46
113 changed files with 28943 additions and 0 deletions
--- a/driver/VC_Control.h
+++ b/driver/VC_Control.h
@@ -0,0 +1,87 @@
+// 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_Control.h
+//  VCDriver
+//
+//  Copyright © 2017 Kyle Neideck
+//
+//  An AudioObject that represents a user-controllable aspect of a device or stream, such as volume
+//  or balance.
+//
+
+#ifndef VCDriver__VC_Control
+#define VCDriver__VC_Control
+
+// Superclass Includes
+#include "VC_Object.h"
+
+
+#pragma clang assume_nonnull begin
+
+class VC_Control
+:
+    public VC_Object
+{
+
+protected:
+                        VC_Control(AudioObjectID inObjectID,
+                                    AudioClassID inClassID,
+                                    AudioClassID inBaseClassID,
+                                    AudioObjectID inOwnerObjectID,
+                                    AudioObjectPropertyScope inScope =
+                                            kAudioObjectPropertyScopeOutput,
+                                    AudioObjectPropertyElement inElement =
+                                            kAudioObjectPropertyElementMaster);
+
+#pragma mark Property Operations
+
+public:
+    virtual bool        HasProperty(AudioObjectID inObjectID,
+                                    pid_t inClientPID,
+                                    const AudioObjectPropertyAddress& inAddress) const;
+    virtual bool        IsPropertySettable(AudioObjectID inObjectID,
+                                           pid_t inClientPID,
+                                           const AudioObjectPropertyAddress& inAddress) const;
+    virtual UInt32      GetPropertyDataSize(AudioObjectID inObjectID,
+                                            pid_t inClientPID,
+                                            const AudioObjectPropertyAddress& inAddress,
+                                            UInt32 inQualifierDataSize,
+                                            const void* inQualifierData) const;
+    virtual void        GetPropertyData(AudioObjectID inObjectID,
+                                        pid_t inClientPID,
+                                        const AudioObjectPropertyAddress& inAddress,
+                                        UInt32 inQualifierDataSize,
+                                        const void* inQualifierData,
+                                        UInt32 inDataSize,
+                                        UInt32& outDataSize,
+                                        void* outData) const;
+
+#pragma mark Implementation
+
+protected:
+    void                CheckObjectID(AudioObjectID inObjectID) const;
+
+protected:
+    const AudioObjectPropertyScope      mScope;
+    const AudioObjectPropertyElement    mElement;
+
+};
+
+#pragma clang assume_nonnull end
+
+#endif /* VCDriver__VC_Control */
+