blob: c8e6ac87adbc2bf0bcb948ba47779ea9ee4587d3 [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/common_audio/signal_processing/include/signal_processing_library.h"
#include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_internal.h"
#include "webrtc/modules/audio_coding/codecs/isac/fix/source/filterbank_tables.h"
#include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
#include "webrtc/rtc_base/sanitizer.h"
#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
#include "webrtc/test/gtest.h"
#include "webrtc/typedefs.h"
class FilterBanksTest : public testing::Test {
protected:
// Pass a function pointer to the Tester function.
void RTC_NO_SANITIZE("signed-integer-overflow") // bugs.webrtc.org/5513
CalculateResidualEnergyTester(AllpassFilter2FixDec16
AllpassFilter2FixDec16Function) {
const int kSamples = QLOOKAHEAD;
const int kState = 2;
int16_t data_ch1[kSamples] = {0};
int16_t data_ch2[kSamples] = {0};
int32_t state_ch1[kState] = {0};
int32_t state_ch2[kState] = {0};
const int32_t out_state_ch1[kState] = {-809122714, 1645972152};
const int32_t out_state_ch2[kState] = {428019288, 1057309936};
const int32_t out_data_ch1[kSamples] = {0, 0, 347, 10618, 16718, -7089,
32767, 16913, 27042, 8377, -22973, -28372, -27603, -14804, 398, -25332,
-11200, 18044, 25223, -6839, 1116, -23984, 32717, 7364};
const int32_t out_data_ch2[kSamples] = {0, 0, 3010, 22351, 21106, 16969,
-2095, -664, 3513, -30980, 32767, -23839, 13335, 20289, -6831, 339,
-17207, 32767, 4959, 6177, 32767, 16599, -4747, 20504};
int sign = 1;
for (int i = 0; i < kSamples; i++) {
sign *= -1;
data_ch1[i] = sign * WEBRTC_SPL_WORD32_MAX / (i * i + 1);
data_ch2[i] = sign * WEBRTC_SPL_WORD32_MIN / (i * i + 1);
// UBSan: -1 * -2147483648 cannot be represented in type 'int'
};
AllpassFilter2FixDec16Function(data_ch1,
data_ch2,
WebRtcIsacfix_kUpperApFactorsQ15,
WebRtcIsacfix_kLowerApFactorsQ15,
kSamples,
state_ch1,
state_ch2);
for (int i = 0; i < kSamples; i++) {
EXPECT_EQ(out_data_ch1[i], data_ch1[i]);
EXPECT_EQ(out_data_ch2[i], data_ch2[i]);
}
for (int i = 0; i < kState; i++) {
EXPECT_EQ(out_state_ch1[i], state_ch1[i]);
EXPECT_EQ(out_state_ch2[i], state_ch2[i]);
}
}
};
TEST_F(FilterBanksTest, AllpassFilter2FixDec16Test) {
CalculateResidualEnergyTester(WebRtcIsacfix_AllpassFilter2FixDec16C);
#if defined(WEBRTC_HAS_NEON)
CalculateResidualEnergyTester(WebRtcIsacfix_AllpassFilter2FixDec16Neon);
#endif
}
TEST_F(FilterBanksTest, HighpassFilterFixDec32Test) {
const int kSamples = 20;
int16_t in[kSamples];
int32_t state[2] = {12345, 987654};
#ifdef WEBRTC_ARCH_ARM_V7
int32_t out[kSamples] = {-1040, -1035, -22875, -1397, -27604, 20018, 7917,
-1279, -8552, -14494, -7558, -23537, -27258, -30554, -32768, -3432, -32768,
25215, -27536, 22436};
#else
int32_t out[kSamples] = {-1040, -1035, -22875, -1397, -27604, 20017, 7915,
-1280, -8554, -14496, -7561, -23541, -27263, -30560, -32768, -3441, -32768,
25203, -27550, 22419};
#endif
HighpassFilterFixDec32 WebRtcIsacfix_HighpassFilterFixDec32;
#if defined(MIPS_DSP_R1_LE)
WebRtcIsacfix_HighpassFilterFixDec32 =
WebRtcIsacfix_HighpassFilterFixDec32MIPS;
#else
WebRtcIsacfix_HighpassFilterFixDec32 = WebRtcIsacfix_HighpassFilterFixDec32C;
#endif
for (int i = 0; i < kSamples; i++) {
in[i] = WEBRTC_SPL_WORD32_MAX / (i + 1);
}
WebRtcIsacfix_HighpassFilterFixDec32(in, kSamples,
WebRtcIsacfix_kHPStCoeffOut1Q30, state);
for (int i = 0; i < kSamples; i++) {
EXPECT_EQ(out[i], in[i]);
}
}