Peter Cai
94f2037c77
This will allow us to dynamically load multiple different versions of audio interface implementation into the same sysbta hal process. Note that since we are using a weird suffix here, the default `registerPassthroughServiceImplementation` will not work, and we will have to define our own dynamic symbol for it.
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
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#define ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
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#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
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#include <hardware/audio.h>
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#include <hidl/Status.h>
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#include <hidl/MQDescriptor.h>
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namespace android {
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namespace hardware {
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namespace audio {
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namespace CPP_VERSION {
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namespace implementation {
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using ::android::sp;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using namespace ::android::hardware::audio::CPP_VERSION;
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struct DevicesFactory : public IDevicesFactory {
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#if MAJOR_VERSION == 2
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Return<void> openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) override;
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#elif MAJOR_VERSION >= 4
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Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
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Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
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#endif
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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Return<void> openDevice_7_1(const hidl_string& device, openDevice_7_1_cb _hidl_cb) override;
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Return<void> openPrimaryDevice_7_1(openPrimaryDevice_7_1_cb _hidl_cb) override;
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#endif
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private:
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template <class DeviceShim, class Callback>
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Return<void> openDevice(const char* moduleName, Callback _hidl_cb);
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#if MAJOR_VERSION == 2
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Return<void> openDevice(const char* moduleName, openDevice_cb _hidl_cb);
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#endif
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static int loadAudioInterface(const char* if_name, audio_hw_device_t** dev);
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};
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extern "C" IDevicesFactory* HIDL_FETCH_IDevicesFactory(const char* name);
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace audio
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
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