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#include <gtest/gtest.h>
#include <QtDebug>
#include "preferences/usersettings.h"
#include "control/controlobject.h"
#include "engine/enginemicrophone.h"
#include "soundio/soundmanagerutil.h"
#include "util/defs.h"
#include "util/sample.h"
#include "util/types.h"
namespace {
class EngineMicrophoneTest : public testing::Test {
protected:
void SetUp() override {
inputLength = MAX_BUFFER_LEN;
outputLength = MAX_BUFFER_LEN;
input = SampleUtil::alloc(inputLength);
output = SampleUtil::alloc(outputLength);
test = SampleUtil::alloc(outputLength);
// No need for a real handle in this test.
m_pMicrophone = new EngineMicrophone(
ChannelHandleAndGroup(ChannelHandle(), "[Microphone]"), NULL);
m_pTalkover = ControlObject::getControl(ConfigKey("[Microphone]", "talkover"));
}
void TearDown() override {
SampleUtil::free(input);
SampleUtil::free(output);
SampleUtil::free(test);
delete m_pMicrophone;
}
void ClearBuffer(CSAMPLE* pBuffer, int length) {
SampleUtil::clear(pBuffer, length);
}
void FillBuffer(CSAMPLE* pBuffer, CSAMPLE value, int length) {
SampleUtil::fill(pBuffer, value, length);
}
template <typename T>
void FillSequentialWithStride(T* pBuffer, T initial, T increment, T max,
unsigned int stride, unsigned int length) {
ASSERT_EQ(0U, length % stride);
T value = initial;
for (unsigned int i = 0; i < length/stride; ++i) {
for (unsigned int j = 0; j < stride; ++j) {
pBuffer[i*stride + j] = value;
}
value = value + increment;
if (value > max)
value = initial;
}
}
void AssertWholeBufferEquals(const CSAMPLE* pBuffer, CSAMPLE value, int iBufferLen) {
for (int i = 0; i < iBufferLen; ++i) {
ASSERT_FLOAT_EQ(value, pBuffer[i]);
}
}
template <typename T>
void AssertBuffersEqual(const T* pBuffer, const T* pExpected, int iBufferLen) {
for (int i = 0; i < iBufferLen; ++i) {
ASSERT_FLOAT_EQ(pExpected[i], pBuffer[i]);
}
}
unsigned int inputLength;
unsigned int outputLength;
CSAMPLE* input;
CSAMPLE* output;
CSAMPLE* test;
EngineMicrophone* m_pMicrophone;
ControlObject* m_pTalkover;
};
TEST_F(EngineMicrophoneTest, TestInputMatchesOutput) {
FillBuffer(input, 0.1f, inputLength);
ClearBuffer(output, outputLength);
AudioInput micInput = AudioInput(AudioPath::MICROPHONE, 0, 1, 0);
m_pTalkover->set(1.0);
m_pMicrophone->receiveBuffer(micInput, input, inputLength);
m_pMicrophone->process(output, outputLength);
// Check that the output matches the input data.
AssertWholeBufferEquals(output, 0.1f, outputLength);
}
TEST_F(EngineMicrophoneTest, TestRepeatedInputMatchesOutput) {
ClearBuffer(output, outputLength);
AudioInput micInput = AudioInput(AudioPath::MICROPHONE, 0, 1, 0);
m_pTalkover->set(1.0);
for (int i = 0; i < 10; i++) {
FillSequentialWithStride<CSAMPLE>(input, 0, 0.001f, 1.0f, 2, inputLength);
FillSequentialWithStride<CSAMPLE>(test, 0, 0.001f, 1.0f, 2, outputLength);
m_pMicrophone->receiveBuffer(micInput, input, inputLength);
m_pMicrophone->process(output, outputLength);
// Check that the output matches the expected output
AssertBuffersEqual<CSAMPLE>(output, test, outputLength);
}
}
} // namespace
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