Audio V4: Copy 2.0 audiohal to 4.0
For easier review of the changes, first copy 2.0 to 4.0, the changes
are made in the following patch.
Bug: 38184704
Test: compile
Change-Id: I5bf16e5f8e7b61cc13e86c06b899ec4e6624a961
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/4.0/EffectHalHidl.h b/media/libaudiohal/4.0/EffectHalHidl.h
new file mode 100644
index 0000000..6ffdaf1
--- /dev/null
+++ b/media/libaudiohal/4.0/EffectHalHidl.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2016 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_HARDWARE_EFFECT_HAL_HIDL_H
+#define ANDROID_HARDWARE_EFFECT_HAL_HIDL_H
+
+#include <android/hardware/audio/effect/2.0/IEffect.h>
+#include <media/audiohal/EffectHalInterface.h>
+#include <fmq/EventFlag.h>
+#include <fmq/MessageQueue.h>
+#include <system/audio_effect.h>
+
+using ::android::hardware::audio::effect::V2_0::EffectBufferConfig;
+using ::android::hardware::audio::effect::V2_0::EffectConfig;
+using ::android::hardware::audio::effect::V2_0::EffectDescriptor;
+using ::android::hardware::audio::effect::V2_0::IEffect;
+using ::android::hardware::EventFlag;
+using ::android::hardware::MessageQueue;
+
+namespace android {
+
+class EffectHalHidl : public EffectHalInterface
+{
+ public:
+ // Set the input buffer.
+ virtual status_t setInBuffer(const sp<EffectBufferHalInterface>& buffer);
+
+ // Set the output buffer.
+ virtual status_t setOutBuffer(const sp<EffectBufferHalInterface>& buffer);
+
+ // Effect process function.
+ virtual status_t process();
+
+ // Process reverse stream function. This function is used to pass
+ // a reference stream to the effect engine.
+ virtual status_t processReverse();
+
+ // Send a command and receive a response to/from effect engine.
+ virtual status_t command(uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
+ uint32_t *replySize, void *pReplyData);
+
+ // Returns the effect descriptor.
+ virtual status_t getDescriptor(effect_descriptor_t *pDescriptor);
+
+ // Free resources on the remote side.
+ virtual status_t close();
+
+ // Whether it's a local implementation.
+ virtual bool isLocal() const { return false; }
+
+ uint64_t effectId() const { return mEffectId; }
+
+ static void effectDescriptorToHal(
+ const EffectDescriptor& descriptor, effect_descriptor_t* halDescriptor);
+
+ private:
+ friend class EffectsFactoryHalHidl;
+ typedef MessageQueue<
+ hardware::audio::effect::V2_0::Result, hardware::kSynchronizedReadWrite> StatusMQ;
+
+ sp<IEffect> mEffect;
+ const uint64_t mEffectId;
+ sp<EffectBufferHalInterface> mInBuffer;
+ sp<EffectBufferHalInterface> mOutBuffer;
+ bool mBuffersChanged;
+ std::unique_ptr<StatusMQ> mStatusMQ;
+ EventFlag* mEfGroup;
+
+ static status_t analyzeResult(const hardware::audio::effect::V2_0::Result& result);
+ static void effectBufferConfigFromHal(
+ const buffer_config_t& halConfig, EffectBufferConfig* config);
+ static void effectBufferConfigToHal(
+ const EffectBufferConfig& config, buffer_config_t* halConfig);
+ static void effectConfigFromHal(const effect_config_t& halConfig, EffectConfig* config);
+ static void effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig);
+
+ // Can not be constructed directly by clients.
+ EffectHalHidl(const sp<IEffect>& effect, uint64_t effectId);
+
+ // The destructor automatically releases the effect.
+ virtual ~EffectHalHidl();
+
+ status_t getConfigImpl(uint32_t cmdCode, uint32_t *replySize, void *pReplyData);
+ status_t prepareForProcessing();
+ bool needToResetBuffers();
+ status_t processImpl(uint32_t mqFlag);
+ status_t setConfigImpl(
+ uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
+ uint32_t *replySize, void *pReplyData);
+ status_t setProcessBuffers();
+};
+
+} // namespace android
+
+#endif // ANDROID_HARDWARE_EFFECT_HAL_HIDL_H