blob: a81814d3e316177100463b8c3d0d6123c9d807b0 [file] [log] [blame]
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/audio_coding/codecs/isac/fix/source/lpc_masking_model.h"
#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
#include "webrtc/test/gtest.h"
#include "webrtc/typedefs.h"
class LpcMaskingModelTest : public testing::Test {
protected:
// Pass a function pointer to the Tester function.
void CalculateResidualEnergyTester(CalculateResidualEnergy
CalculateResidualEnergyFunction) {
const int kIntOrder = 10;
const int32_t kInt32QDomain = 5;
const int kIntShift = 11;
int16_t a[kIntOrder + 1] = {32760, 122, 7, 0, -32760, -3958,
-48, 18745, 498, 9, 23456};
int32_t corr[kIntOrder + 1] = {11443647, -27495, 0,
98745, -11443600, 1, 1, 498, 9, 888, 23456};
int q_shift_residual = 0;
int32_t residual_energy = 0;
// Test the code path where (residual_energy >= 0x10000).
residual_energy = CalculateResidualEnergyFunction(kIntOrder,
kInt32QDomain, kIntShift, a, corr, &q_shift_residual);
EXPECT_EQ(1789023310, residual_energy);
EXPECT_EQ(2, q_shift_residual);
// Test the code path where (residual_energy < 0x10000)
// and ((energy & 0x8000) != 0).
for (int i = 0; i < kIntOrder + 1; i++) {
a[i] = 24575 >> i;
corr[i] = i;
}
residual_energy = CalculateResidualEnergyFunction(kIntOrder,
kInt32QDomain, kIntShift, a, corr, &q_shift_residual);
EXPECT_EQ(1595279092, residual_energy);
EXPECT_EQ(26, q_shift_residual);
// Test the code path where (residual_energy <= 0x7fff).
for (int i = 0; i < kIntOrder + 1; i++) {
a[i] = 2457 >> i;
}
residual_energy = CalculateResidualEnergyFunction(kIntOrder,
kInt32QDomain, kIntShift, a, corr, &q_shift_residual);
EXPECT_EQ(2029266944, residual_energy);
EXPECT_EQ(33, q_shift_residual);
}
};
TEST_F(LpcMaskingModelTest, CalculateResidualEnergyTest) {
CalculateResidualEnergyTester(WebRtcIsacfix_CalculateResidualEnergyC);
}