You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
2.2 KiB
58 lines
2.2 KiB
7 months ago
|
/*
|
||
|
|
* Copyright (C) 2012 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.
|
||
|
|
*/
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <gtest/gtest.h>
|
||
|
|
|
||
|
|
#include <audio/AudioSignalFactory.h>
|
||
|
|
|
||
|
|
class AudioSignalFactoryTest: public testing::Test {
|
||
|
|
protected:
|
||
|
|
|
||
|
|
void testSignalBasic(android::sp<Buffer>& buffer, int maxPositive,
|
||
|
|
AudioHardware::SamplingRate samplingRate, int signalFreq, int samples) {
|
||
|
|
ASSERT_TRUE(buffer->getSize() == (unsigned int)(AudioHardware::E2BPS * 2 * samples));
|
||
|
|
int16_t* data = reinterpret_cast<int16_t*>(buffer->getData());
|
||
|
|
for(int i = 0; i < samples; i++) {
|
||
|
|
ASSERT_TRUE(*data <= maxPositive);
|
||
|
|
ASSERT_TRUE(*data >= -maxPositive);
|
||
|
|
data++;
|
||
|
|
ASSERT_TRUE(*data <= maxPositive);
|
||
|
|
ASSERT_TRUE(*data >= -maxPositive);
|
||
|
|
data++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
TEST_F(AudioSignalFactoryTest, SineTest) {
|
||
|
|
const int maxPositive = 1000;
|
||
|
|
const int signalFreq = AudioHardware::ESampleRate_44100/100;
|
||
|
|
const int samples = 8192 * 10;
|
||
|
|
android::sp<Buffer> buffer = AudioSignalFactory::generateSineWave(AudioHardware::E2BPS,
|
||
|
|
maxPositive, AudioHardware::ESampleRate_44100, signalFreq, samples);
|
||
|
|
testSignalBasic(buffer, maxPositive, AudioHardware::ESampleRate_44100, signalFreq, samples);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_F(AudioSignalFactoryTest, WhiteNoiseTest) {
|
||
|
|
const int maxPositive = 1000;
|
||
|
|
const int signalFreq = AudioHardware::ESampleRate_44100/100;
|
||
|
|
const int samples = 8192 * 10;
|
||
|
|
android::sp<Buffer> buffer = AudioSignalFactory::generateWhiteNoise(AudioHardware::E2BPS,
|
||
|
|
maxPositive, samples);
|
||
|
|
testSignalBasic(buffer, maxPositive, AudioHardware::ESampleRate_44100, signalFreq, samples);
|
||
|
|
}
|
||
|
|
|