mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-01 16:23:37 +00:00
0320d560ea
original cl was ag/4879522 Bug: 70206501 Test: Built android Change-Id: I11f164d8ade66cd7e56f1fa4e46dafa1d56db8cd
111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/*
|
|
* Copyright (C) 2018 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 "SoundTriggerHw"
|
|
|
|
#include "SoundTriggerHw.h"
|
|
|
|
#include <android/log.h>
|
|
#include <utility>
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace soundtrigger {
|
|
namespace V2_2 {
|
|
namespace implementation {
|
|
|
|
Return<void> SoundTriggerHw::getModelState_2_2(int32_t modelHandle, getModelState_cb hidl_cb) {
|
|
sp<SoundModelClient> client;
|
|
if (mHwDevice == NULL) {
|
|
hidl_cb(-ENODEV, NULL);
|
|
return Void();
|
|
}
|
|
|
|
{
|
|
AutoMutex lock(mLock);
|
|
client = mClients.valueFor(modelHandle);
|
|
if (client == 0) {
|
|
hidl_cb(-ENOSYS, NULL);
|
|
return Void();
|
|
}
|
|
}
|
|
|
|
if (mHwDevice->get_model_state == NULL) {
|
|
ALOGE("Failed to get model state from device, no such method");
|
|
hidl_cb(-ENODEV, NULL);
|
|
return Void();
|
|
}
|
|
|
|
// Get the state from the device (as a recognition event)
|
|
struct sound_trigger_recognition_event* event =
|
|
mHwDevice->get_model_state(mHwDevice, client->getHalHandle());
|
|
if (event == NULL) {
|
|
ALOGE("Failed to get model state from device");
|
|
hidl_cb(-ENODEV, NULL);
|
|
return Void();
|
|
}
|
|
|
|
// Allocate shared memory to return to the client
|
|
sp<IAllocator> alloc = IAllocator::getService("ashmem");
|
|
if (alloc == 0) {
|
|
ALOGE("Failed to retrieve ashmem allocator service");
|
|
free(event);
|
|
hidl_cb(-ENOMEM, NULL);
|
|
return Void();
|
|
}
|
|
// Note: Only generic recognition events are currently supported
|
|
int n_bytes = sizeof(struct sound_trigger_generic_recognition_event);
|
|
bool success = false;
|
|
const hidl_memory& mem;
|
|
Return<void> r = ashmem->allocate(n_bytes, [&](bool s, const hidl_memory& m) {
|
|
success = s;
|
|
if (success) mem = m;
|
|
});
|
|
if (r.isOk() && success) {
|
|
// Copy the event data to the shared memory
|
|
sp<IMemory> memory = mapMemory(mem);
|
|
if (memory != 0) {
|
|
struct sound_trigger_generic_recognition_event* data =
|
|
(struct sound_trigger_generic_recognition_event*)memory->getPointer();
|
|
memory->update();
|
|
*data = *event;
|
|
memory->commit();
|
|
|
|
// Return the event memory via this callback
|
|
hidl_cb(0, memory);
|
|
} else {
|
|
ALOGE("Failed to map memory for recognition event");
|
|
hidl_cb(-ENOMEM, NULL);
|
|
}
|
|
} else {
|
|
ALOGE("Failed to allocate %d bytes from ashmem allocator service", n_bytes);
|
|
hidl_cb(-ENOMEM, NULL);
|
|
}
|
|
|
|
free(event);
|
|
return Void();
|
|
}
|
|
|
|
ISoundTriggerHw* HIDL_FETCH_ISoundTriggerHw(const char* /* name */) {
|
|
return (new SoundTriggerHw())->getInterface();
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace V2_2
|
|
} // namespace soundtrigger
|
|
} // namespace hardware
|
|
} // namespace android
|