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128 lines
3.7 KiB
128 lines
3.7 KiB
/*
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* Copyright (C) 2016 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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#include <utils/Log.h>
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#include "SoundTriggerHalLegacy.h"
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namespace android {
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/* static */
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sp<SoundTriggerHalInterface> SoundTriggerHalInterface::connectModule(const char *moduleName)
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{
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return new SoundTriggerHalLegacy(moduleName);
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}
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SoundTriggerHalLegacy::SoundTriggerHalLegacy(const char *moduleName)
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: mModuleName(moduleName), mHwDevice(NULL)
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{
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}
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void SoundTriggerHalLegacy::onFirstRef()
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{
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const hw_module_t *mod;
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int rc;
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if (mModuleName == NULL) {
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mModuleName = "primary";
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}
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rc = hw_get_module_by_class(SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, &mod);
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if (rc != 0) {
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ALOGE("couldn't load sound trigger module %s.%s (%s)",
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SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, strerror(-rc));
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return;
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}
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rc = sound_trigger_hw_device_open(mod, &mHwDevice);
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if (rc != 0) {
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ALOGE("couldn't open sound trigger hw device in %s.%s (%s)",
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SOUND_TRIGGER_HARDWARE_MODULE_ID, mModuleName, strerror(-rc));
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mHwDevice = NULL;
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return;
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}
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if (mHwDevice->common.version < SOUND_TRIGGER_DEVICE_API_VERSION_1_0 ||
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mHwDevice->common.version > SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT) {
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ALOGE("wrong sound trigger hw device version %04x", mHwDevice->common.version);
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return;
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}
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}
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SoundTriggerHalLegacy::~SoundTriggerHalLegacy()
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{
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if (mHwDevice != NULL) {
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sound_trigger_hw_device_close(mHwDevice);
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}
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}
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int SoundTriggerHalLegacy::getProperties(struct sound_trigger_properties *properties)
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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return mHwDevice->get_properties(mHwDevice, properties);
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}
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int SoundTriggerHalLegacy::loadSoundModel(struct sound_trigger_sound_model *sound_model,
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sound_model_callback_t callback,
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void *cookie,
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sound_model_handle_t *handle)
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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return mHwDevice->load_sound_model(mHwDevice, sound_model, callback, cookie, handle);
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}
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int SoundTriggerHalLegacy::unloadSoundModel(sound_model_handle_t handle)
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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return mHwDevice->unload_sound_model(mHwDevice, handle);
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}
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int SoundTriggerHalLegacy::startRecognition(sound_model_handle_t handle,
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const struct sound_trigger_recognition_config *config,
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recognition_callback_t callback,
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void *cookie)
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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return mHwDevice->start_recognition(mHwDevice, handle, config, callback, cookie);
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}
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int SoundTriggerHalLegacy::stopRecognition(sound_model_handle_t handle)
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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return mHwDevice->stop_recognition(mHwDevice, handle);
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}
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int SoundTriggerHalLegacy::stopAllRecognitions()
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{
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if (mHwDevice == NULL) {
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return -ENODEV;
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}
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if (mHwDevice->common.version >= SOUND_TRIGGER_DEVICE_API_VERSION_1_1 &&
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mHwDevice->stop_all_recognitions) {
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return mHwDevice->stop_all_recognitions(mHwDevice);
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}
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return -ENOSYS;
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}
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} // namespace android
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