| /* |
| * 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 "signal_processing_library.h" |
| #include "gtest/gtest.h" |
| |
| static const int kVector16Size = 9; |
| static const int16_t vector16[kVector16Size] = {1, -15511, 4323, 1963, |
| WEBRTC_SPL_WORD16_MAX, 0, WEBRTC_SPL_WORD16_MIN + 5, -3333, 345}; |
| |
| class SplTest : public testing::Test { |
| protected: |
| SplTest() { |
| WebRtcSpl_Init(); |
| } |
| virtual ~SplTest() { |
| } |
| }; |
| |
| TEST_F(SplTest, MacroTest) { |
| // Macros with inputs. |
| int A = 10; |
| int B = 21; |
| int a = -3; |
| int b = WEBRTC_SPL_WORD32_MAX; |
| int nr = 2; |
| int d_ptr2 = 0; |
| |
| EXPECT_EQ(10, WEBRTC_SPL_MIN(A, B)); |
| EXPECT_EQ(21, WEBRTC_SPL_MAX(A, B)); |
| |
| EXPECT_EQ(3, WEBRTC_SPL_ABS_W16(a)); |
| EXPECT_EQ(3, WEBRTC_SPL_ABS_W32(a)); |
| EXPECT_EQ(0, WEBRTC_SPL_GET_BYTE(&B, nr)); |
| WEBRTC_SPL_SET_BYTE(&d_ptr2, 1, nr); |
| EXPECT_EQ(65536, d_ptr2); |
| |
| EXPECT_EQ(-63, WEBRTC_SPL_MUL(a, B)); |
| EXPECT_EQ(-2147483645, WEBRTC_SPL_MUL(a, b)); |
| EXPECT_EQ(2147483651u, WEBRTC_SPL_UMUL(a, b)); |
| b = WEBRTC_SPL_WORD16_MAX >> 1; |
| EXPECT_EQ(65535u, WEBRTC_SPL_UMUL_RSFT16(a, b)); |
| EXPECT_EQ(1073627139u, WEBRTC_SPL_UMUL_16_16(a, b)); |
| EXPECT_EQ(16382u, WEBRTC_SPL_UMUL_16_16_RSFT16(a, b)); |
| EXPECT_EQ(4294918147u, WEBRTC_SPL_UMUL_32_16(a, b)); |
| EXPECT_EQ(65535u, WEBRTC_SPL_UMUL_32_16_RSFT16(a, b)); |
| EXPECT_EQ(-49149, WEBRTC_SPL_MUL_16_U16(a, b)); |
| |
| a = b; |
| b = -3; |
| EXPECT_EQ(-5461, WEBRTC_SPL_DIV(a, b)); |
| EXPECT_EQ(0u, WEBRTC_SPL_UDIV(a, b)); |
| |
| EXPECT_EQ(-1, WEBRTC_SPL_MUL_16_32_RSFT16(a, b)); |
| EXPECT_EQ(-1, WEBRTC_SPL_MUL_16_32_RSFT15(a, b)); |
| EXPECT_EQ(-3, WEBRTC_SPL_MUL_16_32_RSFT14(a, b)); |
| EXPECT_EQ(-24, WEBRTC_SPL_MUL_16_32_RSFT11(a, b)); |
| |
| int a32 = WEBRTC_SPL_WORD32_MAX; |
| int a32a = (WEBRTC_SPL_WORD32_MAX >> 16); |
| int a32b = (WEBRTC_SPL_WORD32_MAX & 0x0000ffff); |
| EXPECT_EQ(5, WEBRTC_SPL_MUL_32_32_RSFT32(a32a, a32b, A)); |
| EXPECT_EQ(5, WEBRTC_SPL_MUL_32_32_RSFT32BI(a32, A)); |
| |
| EXPECT_EQ(-12288, WEBRTC_SPL_MUL_16_16_RSFT(a, b, 2)); |
| EXPECT_EQ(-12287, WEBRTC_SPL_MUL_16_16_RSFT_WITH_ROUND(a, b, 2)); |
| EXPECT_EQ(-1, WEBRTC_SPL_MUL_16_16_RSFT_WITH_FIXROUND(a, b)); |
| |
| EXPECT_EQ(16380, WEBRTC_SPL_ADD_SAT_W32(a, b)); |
| EXPECT_EQ(21, WEBRTC_SPL_SAT(a, A, B)); |
| EXPECT_EQ(21, WEBRTC_SPL_SAT(a, B, A)); |
| EXPECT_EQ(-49149, WEBRTC_SPL_MUL_32_16(a, b)); |
| |
| EXPECT_EQ(16386, WEBRTC_SPL_SUB_SAT_W32(a, b)); |
| EXPECT_EQ(16380, WEBRTC_SPL_ADD_SAT_W16(a, b)); |
| EXPECT_EQ(16386, WEBRTC_SPL_SUB_SAT_W16(a, b)); |
| |
| EXPECT_TRUE(WEBRTC_SPL_IS_NEG(b)); |
| |
| // Shifting with negative numbers allowed |
| int shift_amount = 1; // Workaround compiler warning using variable here. |
| // Positive means left shift |
| EXPECT_EQ(32766, WEBRTC_SPL_SHIFT_W16(a, shift_amount)); |
| EXPECT_EQ(32766, WEBRTC_SPL_SHIFT_W32(a, shift_amount)); |
| |
| // Shifting with negative numbers not allowed |
| // We cannot do casting here due to signed/unsigned problem |
| EXPECT_EQ(8191, WEBRTC_SPL_RSHIFT_W16(a, 1)); |
| EXPECT_EQ(32766, WEBRTC_SPL_LSHIFT_W16(a, 1)); |
| EXPECT_EQ(8191, WEBRTC_SPL_RSHIFT_W32(a, 1)); |
| EXPECT_EQ(32766, WEBRTC_SPL_LSHIFT_W32(a, 1)); |
| |
| EXPECT_EQ(8191, WEBRTC_SPL_RSHIFT_U16(a, 1)); |
| EXPECT_EQ(32766, WEBRTC_SPL_LSHIFT_U16(a, 1)); |
| EXPECT_EQ(8191u, WEBRTC_SPL_RSHIFT_U32(a, 1)); |
| EXPECT_EQ(32766u, WEBRTC_SPL_LSHIFT_U32(a, 1)); |
| |
| EXPECT_EQ(1470, WEBRTC_SPL_RAND(A)); |
| |
| EXPECT_EQ(-49149, WEBRTC_SPL_MUL_16_16(a, b)); |
| EXPECT_EQ(1073676289, WEBRTC_SPL_MUL_16_16(WEBRTC_SPL_WORD16_MAX, |
| WEBRTC_SPL_WORD16_MAX)); |
| EXPECT_EQ(1073709055, WEBRTC_SPL_MUL_16_32_RSFT16(WEBRTC_SPL_WORD16_MAX, |
| WEBRTC_SPL_WORD32_MAX)); |
| EXPECT_EQ(1073741824, WEBRTC_SPL_MUL_16_32_RSFT16(WEBRTC_SPL_WORD16_MIN, |
| WEBRTC_SPL_WORD32_MIN)); |
| #ifdef WEBRTC_ARCH_ARM_V7 |
| EXPECT_EQ(-1073741824, |
| WEBRTC_SPL_MUL_16_32_RSFT16(WEBRTC_SPL_WORD16_MIN, |
| WEBRTC_SPL_WORD32_MAX)); |
| EXPECT_EQ(0x3fffffff, WEBRTC_SPL_MUL_32_32_RSFT32(WEBRTC_SPL_WORD16_MAX, |
| 0xffff, WEBRTC_SPL_WORD32_MAX)); |
| EXPECT_EQ(0x3fffffff, WEBRTC_SPL_MUL_32_32_RSFT32BI(WEBRTC_SPL_WORD32_MAX, |
| WEBRTC_SPL_WORD32_MAX)); |
| #else |
| EXPECT_EQ(-1073741823, |
| WEBRTC_SPL_MUL_16_32_RSFT16(WEBRTC_SPL_WORD16_MIN, |
| WEBRTC_SPL_WORD32_MAX)); |
| EXPECT_EQ(0x3fff7ffe, WEBRTC_SPL_MUL_32_32_RSFT32(WEBRTC_SPL_WORD16_MAX, |
| 0xffff, WEBRTC_SPL_WORD32_MAX)); |
| EXPECT_EQ(0x3ffffffd, WEBRTC_SPL_MUL_32_32_RSFT32BI(WEBRTC_SPL_WORD32_MAX, |
| WEBRTC_SPL_WORD32_MAX)); |
| #endif |
| } |
| |
| TEST_F(SplTest, InlineTest) { |
| WebRtc_Word16 a16 = 121; |
| WebRtc_Word16 b16 = -17; |
| WebRtc_Word32 a32 = 111121; |
| WebRtc_Word32 b32 = -1711; |
| char bVersion[8]; |
| |
| EXPECT_EQ(17, WebRtcSpl_GetSizeInBits(a32)); |
| |
| EXPECT_EQ(0, WebRtcSpl_NormW32(0)); |
| EXPECT_EQ(31, WebRtcSpl_NormW32(-1)); |
| EXPECT_EQ(0, WebRtcSpl_NormW32(WEBRTC_SPL_WORD32_MIN)); |
| EXPECT_EQ(14, WebRtcSpl_NormW32(a32)); |
| |
| EXPECT_EQ(0, WebRtcSpl_NormW16(0)); |
| EXPECT_EQ(15, WebRtcSpl_NormW16(-1)); |
| EXPECT_EQ(0, WebRtcSpl_NormW16(WEBRTC_SPL_WORD16_MIN)); |
| EXPECT_EQ(4, WebRtcSpl_NormW16(b32)); |
| |
| EXPECT_EQ(0, WebRtcSpl_NormU32(0)); |
| EXPECT_EQ(0, WebRtcSpl_NormU32(-1)); |
| EXPECT_EQ(0, WebRtcSpl_NormU32(WEBRTC_SPL_WORD32_MIN)); |
| EXPECT_EQ(15, WebRtcSpl_NormU32(a32)); |
| |
| EXPECT_EQ(104, WebRtcSpl_AddSatW16(a16, b16)); |
| EXPECT_EQ(138, WebRtcSpl_SubSatW16(a16, b16)); |
| |
| EXPECT_EQ(109410, WebRtcSpl_AddSatW32(a32, b32)); |
| EXPECT_EQ(112832, WebRtcSpl_SubSatW32(a32, b32)); |
| |
| a32 = 0x80000000; |
| b32 = 0x80000000; |
| // Cast to signed int to avoid compiler complaint on gtest.h. |
| EXPECT_EQ(static_cast<int>(0x80000000), WebRtcSpl_AddSatW32(a32, b32)); |
| a32 = 0x7fffffff; |
| b32 = 0x7fffffff; |
| EXPECT_EQ(0x7fffffff, WebRtcSpl_AddSatW32(a32, b32)); |
| a32 = 0; |
| b32 = 0x80000000; |
| EXPECT_EQ(0x7fffffff, WebRtcSpl_SubSatW32(a32, b32)); |
| a32 = 0x7fffffff; |
| b32 = 0x80000000; |
| EXPECT_EQ(0x7fffffff, WebRtcSpl_SubSatW32(a32, b32)); |
| a32 = 0x80000000; |
| b32 = 0x7fffffff; |
| EXPECT_EQ(static_cast<int>(0x80000000), WebRtcSpl_SubSatW32(a32, b32)); |
| |
| EXPECT_EQ(0, WebRtcSpl_get_version(bVersion, 8)); |
| } |
| |
| TEST_F(SplTest, MathOperationsTest) { |
| int A = 1134567892; |
| WebRtc_Word32 num = 117; |
| WebRtc_Word32 den = -5; |
| WebRtc_UWord16 denU = 5; |
| EXPECT_EQ(33700, WebRtcSpl_Sqrt(A)); |
| EXPECT_EQ(33683, WebRtcSpl_SqrtFloor(A)); |
| |
| |
| EXPECT_EQ(-91772805, WebRtcSpl_DivResultInQ31(den, num)); |
| EXPECT_EQ(-23, WebRtcSpl_DivW32W16ResW16(num, (WebRtc_Word16)den)); |
| EXPECT_EQ(-23, WebRtcSpl_DivW32W16(num, (WebRtc_Word16)den)); |
| EXPECT_EQ(23u, WebRtcSpl_DivU32U16(num, denU)); |
| EXPECT_EQ(0, WebRtcSpl_DivW32HiLow(128, 0, 256)); |
| } |
| |
| TEST_F(SplTest, BasicArrayOperationsTest) { |
| const int kVectorSize = 4; |
| int B[] = {4, 12, 133, 1100}; |
| WebRtc_UWord8 b8[kVectorSize]; |
| WebRtc_Word16 b16[kVectorSize]; |
| WebRtc_Word32 b32[kVectorSize]; |
| |
| WebRtc_UWord8 bTmp8[kVectorSize]; |
| WebRtc_Word16 bTmp16[kVectorSize]; |
| WebRtc_Word32 bTmp32[kVectorSize]; |
| |
| WebRtcSpl_MemSetW16(b16, 3, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(3, b16[kk]); |
| } |
| EXPECT_EQ(kVectorSize, WebRtcSpl_ZerosArrayW16(b16, kVectorSize)); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(0, b16[kk]); |
| } |
| EXPECT_EQ(kVectorSize, WebRtcSpl_OnesArrayW16(b16, kVectorSize)); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(1, b16[kk]); |
| } |
| WebRtcSpl_MemSetW32(b32, 3, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(3, b32[kk]); |
| } |
| EXPECT_EQ(kVectorSize, WebRtcSpl_ZerosArrayW32(b32, kVectorSize)); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(0, b32[kk]); |
| } |
| EXPECT_EQ(kVectorSize, WebRtcSpl_OnesArrayW32(b32, kVectorSize)); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(1, b32[kk]); |
| } |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| bTmp8[kk] = (WebRtc_Word8)kk; |
| bTmp16[kk] = (WebRtc_Word16)kk; |
| bTmp32[kk] = (WebRtc_Word32)kk; |
| } |
| WEBRTC_SPL_MEMCPY_W8(b8, bTmp8, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(b8[kk], bTmp8[kk]); |
| } |
| WEBRTC_SPL_MEMCPY_W16(b16, bTmp16, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(b16[kk], bTmp16[kk]); |
| } |
| // WEBRTC_SPL_MEMCPY_W32(b32, bTmp32, kVectorSize); |
| // for (int kk = 0; kk < kVectorSize; ++kk) { |
| // EXPECT_EQ(b32[kk], bTmp32[kk]); |
| // } |
| EXPECT_EQ(2, WebRtcSpl_CopyFromEndW16(b16, kVectorSize, 2, bTmp16)); |
| for (int kk = 0; kk < 2; ++kk) { |
| EXPECT_EQ(kk+2, bTmp16[kk]); |
| } |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| b32[kk] = B[kk]; |
| b16[kk] = (WebRtc_Word16)B[kk]; |
| } |
| WebRtcSpl_VectorBitShiftW32ToW16(bTmp16, kVectorSize, b32, 1); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((B[kk]>>1), bTmp16[kk]); |
| } |
| WebRtcSpl_VectorBitShiftW16(bTmp16, kVectorSize, b16, 1); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((B[kk]>>1), bTmp16[kk]); |
| } |
| WebRtcSpl_VectorBitShiftW32(bTmp32, kVectorSize, b32, 1); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((B[kk]>>1), bTmp32[kk]); |
| } |
| |
| WebRtcSpl_MemCpyReversedOrder(&bTmp16[3], b16, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(b16[3-kk], bTmp16[kk]); |
| } |
| } |
| |
| TEST_F(SplTest, ExeptionsHandlingMinMaxOperationsTest) { |
| // Test how the functions handle exceptional cases. |
| const int kVectorSize = 2; |
| int16_t vector16[kVectorSize] = {0}; |
| int32_t vector32[kVectorSize] = {0}; |
| |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsValueW16(vector16, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsValueW16(NULL, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, WebRtcSpl_MaxValueW16(vector16, 0)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, WebRtcSpl_MaxValueW16(NULL, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, WebRtcSpl_MinValueW16(vector16, 0)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, WebRtcSpl_MinValueW16(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsValueW32(vector32, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsValueW32(NULL, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MIN, WebRtcSpl_MaxValueW32(vector32, 0)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MIN, WebRtcSpl_MaxValueW32(NULL, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, WebRtcSpl_MinValueW32(vector32, 0)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, WebRtcSpl_MinValueW32(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsIndexW16(vector16, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxAbsIndexW16(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxIndexW16(vector16, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxIndexW16(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxIndexW32(vector32, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MaxIndexW32(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MinIndexW16(vector16, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MinIndexW16(NULL, kVectorSize)); |
| EXPECT_EQ(-1, WebRtcSpl_MinIndexW32(vector32, 0)); |
| EXPECT_EQ(-1, WebRtcSpl_MinIndexW32(NULL, kVectorSize)); |
| } |
| |
| TEST_F(SplTest, MinMaxOperationsTest) { |
| const int kVectorSize = 17; |
| |
| // Vectors to test the cases where minimum values have to be caught |
| // outside of the unrolled loops in ARM-Neon. |
| int16_t vector16[kVectorSize] = {-1, 7485, 0, 3333, |
| -18283, 0, 12334, -29871, 988, -3333, |
| 345, -456, 222, 999, 888, 8774, WEBRTC_SPL_WORD16_MIN}; |
| int32_t vector32[kVectorSize] = {-1, 0, 283211, 3333, |
| 8712345, 0, -3333, 89345, -374585456, 222, 999, 122345334, |
| -12389756, -987329871, 888, -2, WEBRTC_SPL_WORD32_MIN}; |
| |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, |
| WebRtcSpl_MinValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MIN, |
| WebRtcSpl_MinValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW32(vector32, kVectorSize)); |
| |
| // Test the cases where maximum values have to be caught |
| // outside of the unrolled loops in ARM-Neon. |
| vector16[kVectorSize - 1] = WEBRTC_SPL_WORD16_MAX; |
| vector32[kVectorSize - 1] = WEBRTC_SPL_WORD32_MAX; |
| |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, |
| WebRtcSpl_MaxAbsValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, |
| WebRtcSpl_MaxValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, |
| WebRtcSpl_MaxAbsValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, |
| WebRtcSpl_MaxValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxAbsIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW32(vector32, kVectorSize)); |
| |
| // Test the cases where multiple maximum and minimum values are present. |
| vector16[1] = WEBRTC_SPL_WORD16_MAX; |
| vector16[6] = WEBRTC_SPL_WORD16_MIN; |
| vector16[11] = WEBRTC_SPL_WORD16_MIN; |
| vector32[1] = WEBRTC_SPL_WORD32_MAX; |
| vector32[6] = WEBRTC_SPL_WORD32_MIN; |
| vector32[11] = WEBRTC_SPL_WORD32_MIN; |
| |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, |
| WebRtcSpl_MaxAbsValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, |
| WebRtcSpl_MaxValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, |
| WebRtcSpl_MinValueW16(vector16, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, |
| WebRtcSpl_MaxAbsValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MAX, |
| WebRtcSpl_MaxValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(WEBRTC_SPL_WORD32_MIN, |
| WebRtcSpl_MinValueW32(vector32, kVectorSize)); |
| EXPECT_EQ(6, WebRtcSpl_MaxAbsIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(1, WebRtcSpl_MaxIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(1, WebRtcSpl_MaxIndexW32(vector32, kVectorSize)); |
| EXPECT_EQ(6, WebRtcSpl_MinIndexW16(vector16, kVectorSize)); |
| EXPECT_EQ(6, WebRtcSpl_MinIndexW32(vector32, kVectorSize)); |
| } |
| |
| TEST_F(SplTest, VectorOperationsTest) { |
| const int kVectorSize = 4; |
| int B[] = {4, 12, 133, 1100}; |
| WebRtc_Word16 a16[kVectorSize]; |
| WebRtc_Word16 b16[kVectorSize]; |
| WebRtc_Word16 bTmp16[kVectorSize]; |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| a16[kk] = B[kk]; |
| b16[kk] = B[kk]; |
| } |
| |
| WebRtcSpl_AffineTransformVector(bTmp16, b16, 3, 7, 2, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((B[kk]*3+7)>>2, bTmp16[kk]); |
| } |
| WebRtcSpl_ScaleAndAddVectorsWithRound(b16, 3, b16, 2, 2, bTmp16, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((B[kk]*3+B[kk]*2+2)>>2, bTmp16[kk]); |
| } |
| |
| WebRtcSpl_AddAffineVectorToVector(bTmp16, b16, 3, 7, 2, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(((B[kk]*3+B[kk]*2+2)>>2)+((b16[kk]*3+7)>>2), bTmp16[kk]); |
| } |
| |
| WebRtcSpl_ScaleVector(b16, bTmp16, 13, kVectorSize, 2); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((b16[kk]*13)>>2, bTmp16[kk]); |
| } |
| WebRtcSpl_ScaleVectorWithSat(b16, bTmp16, 13, kVectorSize, 2); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((b16[kk]*13)>>2, bTmp16[kk]); |
| } |
| WebRtcSpl_ScaleAndAddVectors(a16, 13, 2, b16, 7, 2, bTmp16, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(((a16[kk]*13)>>2)+((b16[kk]*7)>>2), bTmp16[kk]); |
| } |
| |
| WebRtcSpl_AddVectorsAndShift(bTmp16, a16, b16, kVectorSize, 2); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(B[kk] >> 1, bTmp16[kk]); |
| } |
| WebRtcSpl_ReverseOrderMultArrayElements(bTmp16, a16, &b16[3], kVectorSize, 2); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((a16[kk]*b16[3-kk])>>2, bTmp16[kk]); |
| } |
| WebRtcSpl_ElementwiseVectorMult(bTmp16, a16, b16, kVectorSize, 6); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ((a16[kk]*b16[kk])>>6, bTmp16[kk]); |
| } |
| |
| WebRtcSpl_SqrtOfOneMinusXSquared(b16, kVectorSize, bTmp16); |
| for (int kk = 0; kk < kVectorSize - 1; ++kk) { |
| EXPECT_EQ(32767, bTmp16[kk]); |
| } |
| EXPECT_EQ(32749, bTmp16[kVectorSize - 1]); |
| |
| EXPECT_EQ(0, WebRtcSpl_GetScalingSquare(b16, kVectorSize, 1)); |
| } |
| |
| TEST_F(SplTest, EstimatorsTest) { |
| const int kVectorSize = 4; |
| int B[] = {4, 12, 133, 1100}; |
| WebRtc_Word16 b16[kVectorSize]; |
| WebRtc_Word32 b32[kVectorSize]; |
| WebRtc_Word16 bTmp16[kVectorSize]; |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| b16[kk] = B[kk]; |
| b32[kk] = B[kk]; |
| } |
| |
| EXPECT_EQ(0, WebRtcSpl_LevinsonDurbin(b32, b16, bTmp16, 2)); |
| } |
| |
| TEST_F(SplTest, FilterTest) { |
| const int kVectorSize = 4; |
| const int kFilterOrder = 3; |
| WebRtc_Word16 A[] = {1, 2, 33, 100}; |
| WebRtc_Word16 A5[] = {1, 2, 33, 100, -5}; |
| WebRtc_Word16 B[] = {4, 12, 133, 110}; |
| WebRtc_Word16 data_in[kVectorSize]; |
| WebRtc_Word16 data_out[kVectorSize]; |
| WebRtc_Word16 bTmp16Low[kVectorSize]; |
| WebRtc_Word16 bState[kVectorSize]; |
| WebRtc_Word16 bStateLow[kVectorSize]; |
| |
| WebRtcSpl_ZerosArrayW16(bState, kVectorSize); |
| WebRtcSpl_ZerosArrayW16(bStateLow, kVectorSize); |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| data_in[kk] = A[kk]; |
| data_out[kk] = 0; |
| } |
| |
| // MA filters. |
| // Note that the input data has |kFilterOrder| states before the actual |
| // data (one sample). |
| WebRtcSpl_FilterMAFastQ12(&data_in[kFilterOrder], data_out, B, |
| kFilterOrder + 1, 1); |
| EXPECT_EQ(0, data_out[0]); |
| // AR filters. |
| // Note that the output data has |kFilterOrder| states before the actual |
| // data (one sample). |
| WebRtcSpl_FilterARFastQ12(data_in, &data_out[kFilterOrder], A, |
| kFilterOrder + 1, 1); |
| EXPECT_EQ(0, data_out[kFilterOrder]); |
| |
| EXPECT_EQ(kVectorSize, WebRtcSpl_FilterAR(A5, |
| 5, |
| data_in, |
| kVectorSize, |
| bState, |
| kVectorSize, |
| bStateLow, |
| kVectorSize, |
| data_out, |
| bTmp16Low, |
| kVectorSize)); |
| } |
| |
| TEST_F(SplTest, RandTest) { |
| const int kVectorSize = 4; |
| WebRtc_Word16 BU[] = {3653, 12446, 8525, 30691}; |
| WebRtc_Word16 b16[kVectorSize]; |
| WebRtc_UWord32 bSeed = 100000; |
| |
| EXPECT_EQ(464449057u, WebRtcSpl_IncreaseSeed(&bSeed)); |
| EXPECT_EQ(31565, WebRtcSpl_RandU(&bSeed)); |
| EXPECT_EQ(-9786, WebRtcSpl_RandN(&bSeed)); |
| EXPECT_EQ(kVectorSize, WebRtcSpl_RandUArray(b16, kVectorSize, &bSeed)); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(BU[kk], b16[kk]); |
| } |
| } |
| |
| TEST_F(SplTest, DotProductWithScaleTest) { |
| EXPECT_EQ(605362796, WebRtcSpl_DotProductWithScale(vector16, |
| vector16, kVector16Size, 2)); |
| } |
| |
| TEST_F(SplTest, CrossCorrelationTest) { |
| // Note the function arguments relation specificed by API. |
| const int kCrossCorrelationDimension = 3; |
| const int kShift = 2; |
| const int kStep = 1; |
| const int kSeqDimension = 6; |
| |
| const int16_t kVector16[kVector16Size] = {1, 4323, 1963, |
| WEBRTC_SPL_WORD16_MAX, WEBRTC_SPL_WORD16_MIN + 5, -3333, -876, 8483, 142}; |
| int32_t vector32[kCrossCorrelationDimension] = {0}; |
| |
| WebRtcSpl_CrossCorrelation(vector32, vector16, kVector16, kSeqDimension, |
| kCrossCorrelationDimension, kShift, kStep); |
| |
| // WebRtcSpl_CrossCorrelationC() and WebRtcSpl_CrossCorrelationNeon() |
| // are not bit-exact. |
| const int32_t kExpected[kCrossCorrelationDimension] = |
| {-266947903, -15579555, -171282001}; |
| const int32_t kExpectedNeon[kCrossCorrelationDimension] = |
| {-266947901, -15579553, -171281999}; |
| const int32_t* expected = kExpected; |
| if (WebRtcSpl_CrossCorrelation != WebRtcSpl_CrossCorrelationC) { |
| expected = kExpectedNeon; |
| } |
| for (int i = 0; i < kCrossCorrelationDimension; ++i) { |
| EXPECT_EQ(expected[i], vector32[i]); |
| } |
| } |
| |
| TEST_F(SplTest, AutoCorrelationTest) { |
| int scale = 0; |
| int32_t vector32[kVector16Size]; |
| const int32_t expected[kVector16Size] = {302681398, 14223410, -121705063, |
| -85221647, -17104971, 61806945, 6644603, -669329, 43}; |
| |
| EXPECT_EQ(-1, WebRtcSpl_AutoCorrelation(vector16, |
| kVector16Size, kVector16Size + 1, vector32, &scale)); |
| EXPECT_EQ(kVector16Size, WebRtcSpl_AutoCorrelation(vector16, |
| kVector16Size, kVector16Size - 1, vector32, &scale)); |
| EXPECT_EQ(3, scale); |
| for (int i = 0; i < kVector16Size; ++i) { |
| EXPECT_EQ(expected[i], vector32[i]); |
| } |
| } |
| |
| TEST_F(SplTest, SignalProcessingTest) { |
| const int kVectorSize = 4; |
| int A[] = {1, 2, 33, 100}; |
| const WebRtc_Word16 kHanning[4] = { 2399, 8192, 13985, 16384 }; |
| WebRtc_Word16 b16[kVectorSize]; |
| |
| WebRtc_Word16 bTmp16[kVectorSize]; |
| |
| int bScale = 0; |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| b16[kk] = A[kk]; |
| } |
| |
| // TODO(bjornv): Activate the Reflection Coefficient tests when refactoring. |
| // WebRtcSpl_ReflCoefToLpc(b16, kVectorSize, bTmp16); |
| //// for (int kk = 0; kk < kVectorSize; ++kk) { |
| //// EXPECT_EQ(aTmp16[kk], bTmp16[kk]); |
| //// } |
| // WebRtcSpl_LpcToReflCoef(bTmp16, kVectorSize, b16); |
| //// for (int kk = 0; kk < kVectorSize; ++kk) { |
| //// EXPECT_EQ(a16[kk], b16[kk]); |
| //// } |
| // WebRtcSpl_AutoCorrToReflCoef(b32, kVectorSize, bTmp16); |
| //// for (int kk = 0; kk < kVectorSize; ++kk) { |
| //// EXPECT_EQ(aTmp16[kk], bTmp16[kk]); |
| //// } |
| |
| WebRtcSpl_GetHanningWindow(bTmp16, kVectorSize); |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| EXPECT_EQ(kHanning[kk], bTmp16[kk]); |
| } |
| |
| for (int kk = 0; kk < kVectorSize; ++kk) { |
| b16[kk] = A[kk]; |
| } |
| EXPECT_EQ(11094 , WebRtcSpl_Energy(b16, kVectorSize, &bScale)); |
| EXPECT_EQ(0, bScale); |
| } |
| |
| TEST_F(SplTest, FFTTest) { |
| WebRtc_Word16 B[] = {1, 2, 33, 100, |
| 2, 3, 34, 101, |
| 3, 4, 35, 102, |
| 4, 5, 36, 103}; |
| |
| EXPECT_EQ(0, WebRtcSpl_ComplexFFT(B, 3, 1)); |
| // for (int kk = 0; kk < 16; ++kk) { |
| // EXPECT_EQ(A[kk], B[kk]); |
| // } |
| EXPECT_EQ(0, WebRtcSpl_ComplexIFFT(B, 3, 1)); |
| // for (int kk = 0; kk < 16; ++kk) { |
| // EXPECT_EQ(A[kk], B[kk]); |
| // } |
| WebRtcSpl_ComplexBitReverse(B, 3); |
| for (int kk = 0; kk < 16; ++kk) { |
| //EXPECT_EQ(A[kk], B[kk]); |
| } |
| } |
