1 files changed, 71 insertions, 0 deletions
diff --git a/services/audiopolicy/common/managerdefinitions/include/EffectDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/EffectDescriptor.h
new file mode 100644
index 0000000..c9783a1
--- /dev/null
+++ b/services/audiopolicy/common/managerdefinitions/include/EffectDescriptor.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#pragma once
+
+#include <RoutingStrategy.h>
+#include <hardware/audio_effect.h>
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+
+class EffectDescriptor : public RefBase
+{
+public:
+    status_t dump(int fd);
+
+    int mIo;                // io the effect is attached to
+    routing_strategy mStrategy; // routing strategy the effect is associated to
+    int mSession;               // audio session the effect is on
+    effect_descriptor_t mDesc;  // effect descriptor
+    bool mEnabled;              // enabled state: CPU load being used or not
+};
+
+class EffectDescriptorCollection : public KeyedVector<int, sp<EffectDescriptor> >
+{
+public:
+    EffectDescriptorCollection();
+
+    status_t registerEffect(const effect_descriptor_t *desc, audio_io_handle_t io,
+                            uint32_t strategy, int session, int id);
+    status_t unregisterEffect(int id);
+    status_t setEffectEnabled(int id, bool enabled);
+    uint32_t getMaxEffectsCpuLoad() const;
+    uint32_t getMaxEffectsMemory() const;
+    bool isNonOffloadableEffectEnabled();
+
+    status_t dump(int fd);
+
+private:
+    status_t setEffectEnabled(const sp<EffectDescriptor> &effectDesc, bool enabled);
+
+    uint32_t mTotalEffectsCpuLoad; // current CPU load used by effects
+    uint32_t mTotalEffectsMemory;  // current memory used by effects
+
+    /**
+     * Maximum CPU load allocated to audio effects in 0.1 MIPS (ARMv5TE, 0 WS memory) units
+     */
+    static const uint32_t MAX_EFFECTS_CPU_LOAD = 1000;
+    /**
+     * Maximum memory allocated to audio effects in KB
+     */
+    static const uint32_t MAX_EFFECTS_MEMORY = 512;
+};
+
+}; // namespace android