Fix issue 2667797: [Audio Effect Framework] new base class and binder interfaces for effect control.

Added IEffect and IEffectClient binder interfaces to exchange effect module control
and status information between application and media server processes.

Change-Id: I10e8e894898e52ed9956a765d0ef7075eb2593af

1 files changed, 56 insertions, 0 deletions

diff --git a/include/media/IEffect.h b/include/media/IEffect.h
new file mode 100644
index 0000000..6dad393
--- /dev/null
+++ b/include/media/IEffect.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_IEFFECT_H
+#define ANDROID_IEFFECT_H
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+#include <binder/IMemory.h>
+
+namespace android {
+
+class IEffect: public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(Effect);
+
+    virtual status_t enable() = 0;
+
+    virtual status_t disable() = 0;
+
+    virtual status_t command(int cmdCode, int cmdSize, void *pCmdData, int *pReplySize, void *pReplyData) = 0;
+
+    virtual void disconnect() = 0;
+
+    virtual sp<IMemory> getCblk() const = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnEffect: public BnInterface<IEffect>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_IEFFECT_H