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Diffstat (limited to 'soundtrigger/ISoundTrigger.cpp')
| -rw-r--r-- | soundtrigger/ISoundTrigger.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/soundtrigger/ISoundTrigger.cpp b/soundtrigger/ISoundTrigger.cpp new file mode 100644 index 0000000..42280d1 --- /dev/null +++ b/soundtrigger/ISoundTrigger.cpp @@ -0,0 +1,177 @@ +/* +** +** Copyright 2014, 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. +*/ + +#define LOG_TAG "ISoundTrigger" +#include <utils/Log.h> +#include <utils/Errors.h> +#include <binder/IMemory.h> +#include <soundtrigger/ISoundTrigger.h> +#include <soundtrigger/ISoundTriggerHwService.h> +#include <soundtrigger/ISoundTriggerClient.h> +#include <system/sound_trigger.h> + +namespace android { + +enum { + DETACH = IBinder::FIRST_CALL_TRANSACTION, + LOAD_SOUND_MODEL, + UNLOAD_SOUND_MODEL, + START_RECOGNITION, + STOP_RECOGNITION, +}; + +class BpSoundTrigger: public BpInterface<ISoundTrigger> +{ +public: + BpSoundTrigger(const sp<IBinder>& impl) + : BpInterface<ISoundTrigger>(impl) + { + } + + void detach() + { + ALOGV("detach"); + Parcel data, reply; + data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor()); + remote()->transact(DETACH, data, &reply); + } + + status_t loadSoundModel(const sp<IMemory>& modelMemory, + sound_model_handle_t *handle) + { + if (modelMemory == 0 || handle == NULL) { + return BAD_VALUE; + } + Parcel data, reply; + data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor()); + data.writeStrongBinder(modelMemory->asBinder()); + status_t status = remote()->transact(LOAD_SOUND_MODEL, data, &reply); + if (status != NO_ERROR || + (status = (status_t)reply.readInt32()) != NO_ERROR) { + return status; + } + reply.read(handle, sizeof(sound_model_handle_t)); + return status; + } + + virtual status_t unloadSoundModel(sound_model_handle_t handle) + { + Parcel data, reply; + data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor()); + data.write(&handle, sizeof(sound_model_handle_t)); + status_t status = remote()->transact(UNLOAD_SOUND_MODEL, data, &reply); + if (status != NO_ERROR) { + status = (status_t)reply.readInt32(); + } + return status; + } + + virtual status_t startRecognition(sound_model_handle_t handle, + const sp<IMemory>& dataMemory) + { + Parcel data, reply; + data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor()); + data.write(&handle, sizeof(sound_model_handle_t)); + if (dataMemory == 0) { + data.writeInt32(0); + } else { + data.writeInt32(dataMemory->size()); + } + data.writeStrongBinder(dataMemory->asBinder()); + status_t status = remote()->transact(START_RECOGNITION, data, &reply); + if (status != NO_ERROR) { + status = (status_t)reply.readInt32(); + } + return status; + } + + virtual status_t stopRecognition(sound_model_handle_t handle) + { + Parcel data, reply; + data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor()); + data.write(&handle, sizeof(sound_model_handle_t)); + status_t status = remote()->transact(STOP_RECOGNITION, data, &reply); + if (status != NO_ERROR) { + status = (status_t)reply.readInt32(); + } + return status; + } + +}; + +IMPLEMENT_META_INTERFACE(SoundTrigger, "android.hardware.ISoundTrigger"); + +// ---------------------------------------------------------------------- + +status_t BnSoundTrigger::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case DETACH: { + ALOGV("DETACH"); + CHECK_INTERFACE(ISoundTrigger, data, reply); + detach(); + return NO_ERROR; + } break; + case LOAD_SOUND_MODEL: { + CHECK_INTERFACE(ISoundTrigger, data, reply); + sp<IMemory> modelMemory = interface_cast<IMemory>( + data.readStrongBinder()); + sound_model_handle_t handle; + status_t status = loadSoundModel(modelMemory, &handle); + reply->writeInt32(status); + if (status == NO_ERROR) { + reply->write(&handle, sizeof(sound_model_handle_t)); + } + return NO_ERROR; + } + case UNLOAD_SOUND_MODEL: { + CHECK_INTERFACE(ISoundTrigger, data, reply); + sound_model_handle_t handle; + data.read(&handle, sizeof(sound_model_handle_t)); + status_t status = unloadSoundModel(handle); + reply->writeInt32(status); + return NO_ERROR; + } + case START_RECOGNITION: { + CHECK_INTERFACE(ISoundTrigger, data, reply); + sound_model_handle_t handle; + data.read(&handle, sizeof(sound_model_handle_t)); + sp<IMemory> dataMemory; + if (data.readInt32() != 0) { + dataMemory = interface_cast<IMemory>(data.readStrongBinder()); + } + status_t status = startRecognition(handle, dataMemory); + reply->writeInt32(status); + return NO_ERROR; + } + case STOP_RECOGNITION: { + CHECK_INTERFACE(ISoundTrigger, data, reply); + sound_model_handle_t handle; + data.read(&handle, sizeof(sound_model_handle_t)); + status_t status = stopRecognition(handle); + reply->writeInt32(status); + return NO_ERROR; + } + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android |