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180 lines
5.9 KiB
180 lines
5.9 KiB
/*
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**
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** Copyright 2014, 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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#define LOG_TAG "ISoundTrigger"
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#include <utils/Log.h>
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#include <utils/Errors.h>
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#include <binder/IMemory.h>
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#include <soundtrigger/ISoundTrigger.h>
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#include <soundtrigger/ISoundTriggerHwService.h>
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#include <soundtrigger/ISoundTriggerClient.h>
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#include <system/sound_trigger.h>
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namespace android {
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enum {
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DETACH = IBinder::FIRST_CALL_TRANSACTION,
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LOAD_SOUND_MODEL,
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UNLOAD_SOUND_MODEL,
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START_RECOGNITION,
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STOP_RECOGNITION,
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};
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class BpSoundTrigger: public BpInterface<ISoundTrigger>
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{
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public:
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explicit BpSoundTrigger(const sp<IBinder>& impl)
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: BpInterface<ISoundTrigger>(impl)
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{
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}
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void detach()
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{
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ALOGV("detach");
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Parcel data, reply;
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data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor());
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remote()->transact(DETACH, data, &reply);
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}
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status_t loadSoundModel(const sp<IMemory>& modelMemory,
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sound_model_handle_t *handle)
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{
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if (modelMemory == 0 || handle == NULL) {
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return BAD_VALUE;
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}
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Parcel data, reply;
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data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(modelMemory));
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status_t status = remote()->transact(LOAD_SOUND_MODEL, data, &reply);
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if (status != NO_ERROR) {
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return status;
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}
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status = (status_t)reply.readInt32();
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if (status == NO_ERROR) {
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reply.read(handle, sizeof(sound_model_handle_t));
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}
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return status;
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}
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virtual status_t unloadSoundModel(sound_model_handle_t handle)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor());
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data.write(&handle, sizeof(sound_model_handle_t));
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status_t status = remote()->transact(UNLOAD_SOUND_MODEL, data, &reply);
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if (status == NO_ERROR) {
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status = (status_t)reply.readInt32();
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}
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return status;
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}
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virtual status_t startRecognition(sound_model_handle_t handle,
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const sp<IMemory>& dataMemory)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor());
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data.write(&handle, sizeof(sound_model_handle_t));
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if (dataMemory == 0) {
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data.writeInt32(0);
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} else {
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data.writeInt32(dataMemory->size());
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}
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data.writeStrongBinder(IInterface::asBinder(dataMemory));
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status_t status = remote()->transact(START_RECOGNITION, data, &reply);
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if (status == NO_ERROR) {
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status = (status_t)reply.readInt32();
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}
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return status;
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}
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virtual status_t stopRecognition(sound_model_handle_t handle)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISoundTrigger::getInterfaceDescriptor());
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data.write(&handle, sizeof(sound_model_handle_t));
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status_t status = remote()->transact(STOP_RECOGNITION, data, &reply);
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if (status == NO_ERROR) {
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status = (status_t)reply.readInt32();
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}
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return status;
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}
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};
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IMPLEMENT_META_INTERFACE(SoundTrigger, "android.hardware.ISoundTrigger");
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// ----------------------------------------------------------------------
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status_t BnSoundTrigger::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case DETACH: {
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ALOGV("DETACH");
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CHECK_INTERFACE(ISoundTrigger, data, reply);
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detach();
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return NO_ERROR;
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} break;
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case LOAD_SOUND_MODEL: {
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CHECK_INTERFACE(ISoundTrigger, data, reply);
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sp<IMemory> modelMemory = interface_cast<IMemory>(
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data.readStrongBinder());
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sound_model_handle_t handle;
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status_t status = loadSoundModel(modelMemory, &handle);
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reply->writeInt32(status);
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if (status == NO_ERROR) {
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reply->write(&handle, sizeof(sound_model_handle_t));
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}
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return NO_ERROR;
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}
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case UNLOAD_SOUND_MODEL: {
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CHECK_INTERFACE(ISoundTrigger, data, reply);
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sound_model_handle_t handle;
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data.read(&handle, sizeof(sound_model_handle_t));
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status_t status = unloadSoundModel(handle);
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reply->writeInt32(status);
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return NO_ERROR;
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}
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case START_RECOGNITION: {
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CHECK_INTERFACE(ISoundTrigger, data, reply);
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sound_model_handle_t handle;
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data.read(&handle, sizeof(sound_model_handle_t));
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sp<IMemory> dataMemory;
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if (data.readInt32() != 0) {
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dataMemory = interface_cast<IMemory>(data.readStrongBinder());
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}
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status_t status = startRecognition(handle, dataMemory);
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reply->writeInt32(status);
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return NO_ERROR;
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}
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case STOP_RECOGNITION: {
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CHECK_INTERFACE(ISoundTrigger, data, reply);
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sound_model_handle_t handle;
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data.read(&handle, sizeof(sound_model_handle_t));
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status_t status = stopRecognition(handle);
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reply->writeInt32(status);
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return NO_ERROR;
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}
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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