| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "audio_utils_primitives_tests" |
| |
| #include <math.h> |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| #include <log/log.h> |
| |
| #include <audio_utils/primitives.h> |
| #include <audio_utils/format.h> |
| #include <audio_utils/channels.h> |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| static const int32_t lim8pos = 255; |
| static const int32_t lim8neg = 0; |
| static const int32_t lim16pos = (1 << 15) - 1; |
| static const int32_t lim16neg = -(1 << 15); |
| static const int32_t lim24pos = (1 << 23) - 1; |
| static const int32_t lim24neg = -(1 << 23); |
| static const int64_t lim32pos = 0x000000007fffffff; |
| static const int64_t lim32neg = 0xffffffff80000000; |
| |
| // Use memset here since it is generally the fastest method of clearing data, |
| // but could be changed to std::fill or assignment should those prove faster. |
| template <typename T> |
| static void zeroFill(T &container) { |
| memset(container.data(), 0, container.size() * sizeof(container[0])); |
| } |
| |
| inline void testClamp8(float f) |
| { |
| // f is in native u8 scaling to test rounding |
| uint8_t uval = clamp8_from_float((f - 128) / (1 << 7)); |
| |
| // test clamping |
| ALOGV("clamp8_from_float(%f) = %u\n", f, uval); |
| if (f > lim8pos) { |
| EXPECT_EQ(lim8pos, uval); |
| } else if (f < lim8neg) { |
| EXPECT_EQ(lim8neg, uval); |
| } |
| |
| // if in range, make sure round trip clamp and conversion is correct. |
| if (f < lim8pos - 1. && f > lim8neg + 1.) { |
| uint8_t uval2 = clamp8_from_float(float_from_u8(uval)); |
| int diff = abs(uval - uval2); |
| EXPECT_LE(diff, 1); |
| } |
| } |
| |
| inline void testClamp16(float f) |
| { |
| int16_t ival = clamp16_from_float(f / (1 << 15)); |
| |
| // test clamping |
| ALOGV("clamp16_from_float(%f) = %d\n", f, ival); |
| if (f > lim16pos) { |
| EXPECT_EQ(lim16pos, ival); |
| } else if (f < lim16neg) { |
| EXPECT_EQ(lim16neg, ival); |
| } |
| |
| // if in range, make sure round trip clamp and conversion is correct. |
| if (f < lim16pos - 1. && f > lim16neg + 1.) { |
| int ival2 = clamp16_from_float(float_from_i16(ival)); |
| int diff = abs(ival - ival2); |
| EXPECT_LE(diff, 1); |
| } |
| } |
| |
| inline void testClamp24(float f) |
| { |
| int32_t ival = clamp24_from_float(f / (1 << 23)); |
| |
| // test clamping |
| ALOGV("clamp24_from_float(%f) = %d\n", f, ival); |
| if (f > lim24pos) { |
| EXPECT_EQ(lim24pos, ival); |
| } else if (f < lim24neg) { |
| EXPECT_EQ(lim24neg, ival); |
| } |
| |
| // if in range, make sure round trip clamp and conversion is correct. |
| if (f < lim24pos - 1. && f > lim24neg + 1.) { |
| int ival2 = clamp24_from_float(float_from_q8_23(ival)); |
| int diff = abs(ival - ival2); |
| EXPECT_LE(diff, 1); |
| } |
| } |
| |
| template<typename T> |
| void checkMonotone(const T *ary, size_t size) |
| { |
| for (size_t i = 1; i < size; ++i) { |
| EXPECT_LT(ary[i-1], ary[i]); |
| } |
| } |
| |
| void checkMonotonep24(uint8_t * pary, size_t size) |
| { |
| size_t frames = size/3; |
| for (size_t i = 1; i < frames; ++i) { |
| EXPECT_LT(i32_from_p24(pary + 3*(i-1)), i32_from_p24(pary + 3*i)); |
| } |
| } |
| |
| TEST(audio_utils_primitives, clamp_to_int) { |
| static const float testArray[] = { |
| -NAN, -INFINITY, |
| -1.e20, -32768., 63.9, |
| -3.5, -3.4, -2.5, 2.4, -1.5, -1.4, -0.5, -0.2, 0., 0.2, 0.5, 0.8, |
| 1.4, 1.5, 1.8, 2.4, 2.5, 2.6, 3.4, 3.5, |
| 32767., 32768., 1.e20, |
| INFINITY, NAN }; |
| |
| for (size_t i = 0; i < ARRAY_SIZE(testArray); ++i) { |
| testClamp8(testArray[i]); |
| } |
| for (size_t i = 0; i < ARRAY_SIZE(testArray); ++i) { |
| testClamp16(testArray[i]); |
| } |
| for (size_t i = 0; i < ARRAY_SIZE(testArray); ++i) { |
| testClamp24(testArray[i]); |
| } |
| |
| // used for ULP testing (tweaking the lsb of the float) |
| union { |
| int32_t i; |
| float f; |
| } val; |
| int32_t res; |
| |
| // check clampq4_27_from_float() |
| val.f = 16.; |
| res = clampq4_27_from_float(val.f); |
| EXPECT_EQ(0x7fffffff, res); |
| val.i--; |
| res = clampq4_27_from_float(val.f); |
| EXPECT_LE(res, 0x7fffffff); |
| EXPECT_GE(res, 0x7fff0000); |
| val.f = -16.; |
| res = clampq4_27_from_float(val.f); |
| EXPECT_EQ((int32_t)0x80000000, res); // negative |
| val.i++; |
| res = clampq4_27_from_float(val.f); |
| EXPECT_GE(res, (int32_t)0x80000000); // negative |
| EXPECT_LE(res, (int32_t)0x80008000); // negative |
| |
| // check u4_28_from_float and u4_12_from_float |
| uint32_t ures; |
| uint16_t ures16; |
| val.f = 16.; |
| ures = u4_28_from_float(val.f); |
| EXPECT_EQ(0xffffffff, ures); |
| ures16 = u4_12_from_float(val.f); |
| EXPECT_EQ(0xffff, ures16); |
| |
| val.f = -1.; |
| ures = u4_28_from_float(val.f); |
| EXPECT_EQ((uint32_t)0, ures); |
| ures16 = u4_12_from_float(val.f); |
| EXPECT_EQ(0, ures16); |
| |
| // check float_from_u4_28 and float_from_u4_12 (roundtrip) |
| for (uint32_t v = 0x100000; v <= 0xff000000; v += 0x100000) { |
| ures = u4_28_from_float(float_from_u4_28(v)); |
| EXPECT_EQ(ures, v); |
| } |
| for (uint32_t v = 0; v <= 0xffff; ++v) { // uint32_t prevents overflow |
| ures16 = u4_12_from_float(float_from_u4_12(v)); |
| EXPECT_EQ(ures16, v); |
| } |
| |
| // check infinity |
| EXPECT_EQ(0, clamp8_from_float(-INFINITY)); |
| EXPECT_EQ(255, clamp8_from_float(INFINITY)); |
| } |
| |
| TEST(audio_utils_primitives, memcpy) { |
| // test round-trip. |
| constexpr size_t size = 65536; |
| std::vector<int16_t> i16ref(size); |
| std::vector<int16_t> i16ary(size); |
| std::vector<int32_t> i32ary(size); |
| std::vector<float> fary(size); |
| std::vector<uint8_t> pary(size * 3); |
| |
| |
| // set signed reference monotonic array from -32768 to 32767 |
| for (size_t i = 0; i < i16ref.size(); ++i) { |
| i16ref[i] = i16ary[i] = i - 32768; |
| } |
| |
| // do round-trip testing i16 and float |
| memcpy_to_float_from_i16(fary.data(), i16ary.data(), fary.size()); |
| zeroFill(i16ary); |
| checkMonotone(fary.data(), fary.size()); |
| |
| memcpy_to_i16_from_float(i16ary.data(), fary.data(), i16ary.size()); |
| zeroFill(fary); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| |
| // TODO make a template case for the following? |
| |
| // do round-trip testing p24 to i16 and float |
| memcpy_to_p24_from_i16(pary.data(), i16ary.data(), size /* note pary elem is 3 bytes */); |
| zeroFill(i16ary); |
| |
| // check an intermediate format at a position(???) |
| #if 0 |
| printf("pary[%d].0 = %u pary[%d].1 = %u pary[%d].2 = %u\n", |
| 1025, (unsigned) pary[1025*3], |
| 1025, (unsigned) pary[1025*3+1], |
| 1025, (unsigned) pary[1025*3+2] |
| ); |
| #endif |
| |
| memcpy_to_float_from_p24(fary.data(), pary.data(), fary.size()); |
| zeroFill(pary); |
| checkMonotone(fary.data(), fary.size()); |
| |
| memcpy_to_p24_from_float(pary.data(), fary.data(), size /* note pary elem is 3 bytes */); |
| zeroFill(fary); |
| checkMonotonep24(pary.data(), pary.size() /* this is * 3*/); |
| |
| memcpy_to_i16_from_p24(i16ary.data(), pary.data(), i16ary.size()); |
| zeroFill(pary); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| |
| // do round-trip testing q8_23 to i16 and float |
| memcpy_to_q8_23_from_i16(i32ary.data(), i16ary.data(), i32ary.size()); |
| zeroFill(i16ary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_float_from_q8_23(fary.data(), i32ary.data(), fary.size()); |
| zeroFill(i32ary); |
| checkMonotone(fary.data(), fary.size()); |
| |
| memcpy_to_q8_23_from_float_with_clamp(i32ary.data(), fary.data(), i32ary.size()); |
| zeroFill(fary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_i16_from_q8_23(i16ary.data(), i32ary.data(), i16ary.size()); |
| zeroFill(i32ary); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| |
| // do round-trip testing i32 to i16 and float |
| memcpy_to_i32_from_i16(i32ary.data(), i16ary.data(), i32ary.size()); |
| zeroFill(i16ary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_float_from_i32(fary.data(), i32ary.data(), fary.size()); |
| zeroFill(i32ary); |
| checkMonotone(fary.data(), fary.size()); |
| |
| memcpy_to_i32_from_float(i32ary.data(), fary.data(), i32ary.size()); |
| zeroFill(fary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_i16_from_i32(i16ary.data(), i32ary.data(), i16ary.size()); |
| zeroFill(i32ary); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| |
| // do round-trip test i16 -> p24 -> i32 -> p24 -> q8_23 -> p24 -> i16 |
| memcpy_to_p24_from_i16(pary.data(), i16ary.data(), size /* note pary elem is 3 bytes */); |
| zeroFill(i16ary); |
| checkMonotonep24(pary.data(), pary.size() /* this is * 3*/); |
| |
| memcpy_to_i32_from_p24(i32ary.data(), pary.data(), i32ary.size()); |
| zeroFill(pary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_p24_from_i32(pary.data(), i32ary.data(), size /* note pary elem is 3 bytes */); |
| zeroFill(i32ary); |
| checkMonotonep24(pary.data(), pary.size() /* this is * 3*/); |
| |
| memcpy_to_q8_23_from_p24(i32ary.data(), pary.data(), i32ary.size()); |
| zeroFill(pary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_p24_from_q8_23(pary.data(), i32ary.data(), size /* note pary elem is 3 bytes */); |
| zeroFill(i32ary); |
| checkMonotonep24(pary.data(), pary.size() /* this is * 3*/); |
| |
| memcpy_to_i16_from_p24(i16ary.data(), pary.data(), i16ary.size()); |
| zeroFill(pary); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| |
| // do partial round-trip testing q4_27 to i16 and float |
| memcpy_to_float_from_i16(fary.data(), i16ary.data(), fary.size()); |
| zeroFill(i16ary); |
| |
| memcpy_to_q4_27_from_float(i32ary.data(), fary.data(), i32ary.size()); |
| zeroFill(fary); |
| checkMonotone(i32ary.data(), i32ary.size()); |
| |
| memcpy_to_i16_from_q4_27(i16ary.data(), i32ary.data(), i16ary.size()); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| EXPECT_EQ(0, memcmp(i16ary.data(), i16ref.data(), i16ary.size() * sizeof(i16ary[0]))); |
| |
| zeroFill(i16ary); |
| |
| // ditherAndClamp() has non-standard parameters - memcpy_to_float_from_q4_27() is preferred |
| ditherAndClamp(reinterpret_cast<int32_t *>(i16ary.data()), |
| i32ary.data(), i16ary.size() / 2); |
| checkMonotone(i16ary.data(), i16ary.size()); |
| EXPECT_EQ(0, memcmp(i16ary.data(), i16ref.data(), i16ary.size() * sizeof(i16ary[0]))); |
| |
| memcpy_to_float_from_q4_27(fary.data(), i32ary.data(), fary.size()); |
| zeroFill(i32ary); |
| checkMonotone(fary.data(), fary.size()); |
| |
| // at the end, our i16ary must be the same. (Monotone should be equivalent to this) |
| EXPECT_EQ(0, memcmp(i16ary.data(), i16ref.data(), i16ary.size() * sizeof(i16ary[0]))); |
| |
| // test round-trip for u8 and float. |
| constexpr size_t u8size = 256; |
| std::vector<uint8_t> u8ref(u8size); |
| std::vector<uint8_t> u8ary(u8size); |
| |
| for (size_t i = 0; i < u8ref.size(); ++i) { |
| u8ref[i] = i; |
| } |
| |
| constexpr size_t testsize = std::min(u8size, size); |
| memcpy_to_float_from_u8(fary.data(), u8ref.data(), testsize); |
| memcpy_to_u8_from_float(u8ary.data(), fary.data(), testsize); |
| |
| EXPECT_EQ(0, memcmp(u8ary.data(), u8ref.data(), u8ary.size() * sizeof(u8ary[0]))); |
| } |
| |
| template<typename T> |
| void checkMonotoneOrZero(const T *ary, size_t size) |
| { |
| T least = 0; |
| |
| for (size_t i = 1; i < size; ++i) { |
| if (ary[i]) { |
| EXPECT_LT(least, ary[i]); |
| least = ary[i]; |
| } |
| } |
| } |
| |
| TEST(audio_utils_primitives, memcpy_by_channel_mask) { |
| uint32_t dst_mask; |
| uint32_t src_mask; |
| uint16_t *u16ref = new uint16_t[65536]; |
| uint16_t *u16ary = new uint16_t[65536]; |
| |
| for (size_t i = 0; i < 65536; ++i) { |
| u16ref[i] = i; |
| } |
| |
| // Test when src mask is 0. Everything copied is zero. |
| src_mask = 0; |
| dst_mask = 0x8d; |
| memset(u16ary, 0x99, 65536 * sizeof(u16ref[0])); |
| memcpy_by_channel_mask(u16ary, dst_mask, u16ref, src_mask, sizeof(u16ref[0]), |
| 65536 / popcount(dst_mask)); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when dst_mask is 0. Nothing should be copied. |
| src_mask = 0; |
| dst_mask = 0; |
| memset(u16ary, 0, 65536 * sizeof(u16ref[0])); |
| memcpy_by_channel_mask(u16ary, dst_mask, u16ref, src_mask, sizeof(u16ref[0]), |
| 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when masks are the same. One to one copy. |
| src_mask = dst_mask = 0x8d; |
| memset(u16ary, 0x99, 65536 * sizeof(u16ref[0])); |
| memcpy_by_channel_mask(u16ary, dst_mask, u16ref, src_mask, sizeof(u16ref[0]), 555); |
| EXPECT_EQ(0, memcmp(u16ary, u16ref, 555 * sizeof(u16ref[0]) * popcount(dst_mask))); |
| |
| // Test with a gap in source: |
| // Input 3 samples, output 4 samples, one zero inserted. |
| src_mask = 0x8c; |
| dst_mask = 0x8d; |
| memset(u16ary, 0x9, 65536 * sizeof(u16ary[0])); |
| memcpy_by_channel_mask(u16ary, dst_mask, u16ref, src_mask, sizeof(u16ref[0]), |
| 65536 / popcount(dst_mask)); |
| checkMonotoneOrZero(u16ary, 65536); |
| EXPECT_EQ((size_t)(65536 * 3 / 4 - 1), nonZeroMono16((int16_t*)u16ary, 65536)); |
| |
| // Test with a gap in destination: |
| // Input 4 samples, output 3 samples, one deleted |
| src_mask = 0x8d; |
| dst_mask = 0x8c; |
| memset(u16ary, 0x9, 65536 * sizeof(u16ary[0])); |
| memcpy_by_channel_mask(u16ary, dst_mask, u16ref, src_mask, sizeof(u16ref[0]), |
| 65536 / popcount(src_mask)); |
| checkMonotone(u16ary, 65536 * 3 / 4); |
| |
| delete[] u16ref; |
| delete[] u16ary; |
| } |
| |
| void memcpy_by_channel_mask2(void *dst, uint32_t dst_mask, |
| const void *src, uint32_t src_mask, size_t sample_size, size_t count) |
| { |
| int8_t idxary[32]; |
| uint32_t src_channels = popcount(src_mask); |
| uint32_t dst_channels = |
| memcpy_by_index_array_initialization(idxary, 32, dst_mask, src_mask); |
| |
| memcpy_by_index_array(dst, dst_channels, src, src_channels, idxary, sample_size, count); |
| } |
| |
| // a modified version of the memcpy_by_channel_mask test |
| // but using 24 bit type and memcpy_by_index_array() |
| TEST(audio_utils_primitives, memcpy_by_index_array) { |
| uint32_t dst_mask; |
| uint32_t src_mask; |
| typedef struct {uint8_t c[3];} __attribute__((__packed__)) uint8x3_t; |
| uint8x3_t *u24ref = new uint8x3_t[65536]; |
| uint8x3_t *u24ary = new uint8x3_t[65536]; |
| uint16_t *u16ref = new uint16_t[65536]; |
| uint16_t *u16ary = new uint16_t[65536]; |
| |
| EXPECT_EQ((size_t)3, sizeof(uint8x3_t)); // 3 bytes per struct |
| |
| // tests prepare_index_array_from_masks() |
| EXPECT_EQ((size_t)4, memcpy_by_index_array_initialization(NULL, 0, 0x8d, 0x8c)); |
| EXPECT_EQ((size_t)3, memcpy_by_index_array_initialization(NULL, 0, 0x8c, 0x8d)); |
| |
| for (size_t i = 0; i < 65536; ++i) { |
| u16ref[i] = i; |
| } |
| memcpy_to_p24_from_i16((uint8_t*)u24ref, (int16_t*)u16ref, 65536); |
| |
| // Test when src mask is 0. Everything copied is zero. |
| src_mask = 0; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask2(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when dst_mask is 0. Nothing should be copied. |
| src_mask = 0; |
| dst_mask = 0; |
| memset(u24ary, 0, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask2(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when masks are the same. One to one copy. |
| src_mask = dst_mask = 0x8d; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask2(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), 555); |
| EXPECT_EQ(0, memcmp(u24ary, u24ref, 555 * sizeof(u24ref[0]) * popcount(dst_mask))); |
| |
| // Test with a gap in source: |
| // Input 3 samples, output 4 samples, one zero inserted. |
| src_mask = 0x8c; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask2(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotoneOrZero(u16ary, 65536); |
| EXPECT_EQ((size_t)(65536 * 3 / 4 - 1), nonZeroMono16((int16_t*)u16ary, 65536)); |
| |
| // Test with a gap in destination: |
| // Input 4 samples, output 3 samples, one deleted |
| src_mask = 0x8d; |
| dst_mask = 0x8c; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask2(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(src_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotone(u16ary, 65536 * 3 / 4); |
| |
| delete[] u16ref; |
| delete[] u16ary; |
| delete[] u24ref; |
| delete[] u24ary; |
| } |
| |
| void memcpy_by_channel_mask_dst_index(void *dst, uint32_t dst_mask, |
| const void *src, uint32_t src_mask, size_t sample_size, size_t count) |
| { |
| int8_t idxary[32]; |
| uint32_t src_channels = popcount(src_mask); |
| uint32_t dst_channels = |
| memcpy_by_index_array_initialization_dst_index(idxary, 32, dst_mask, src_mask); |
| |
| memcpy_by_index_array(dst, dst_channels, src, src_channels, idxary, sample_size, count); |
| } |
| |
| // a modified version of the memcpy_by_channel_mask test |
| // but using 24 bit type and memcpy_by_index_array() |
| TEST(audio_utils_primitives, memcpy_by_index_array_dst_index) { |
| uint32_t dst_mask; |
| uint32_t src_mask; |
| typedef struct {uint8_t c[3];} __attribute__((__packed__)) uint8x3_t; |
| uint8x3_t *u24ref = new uint8x3_t[65536]; |
| uint8x3_t *u24ary = new uint8x3_t[65536]; |
| uint16_t *u16ref = new uint16_t[65536]; |
| uint16_t *u16ary = new uint16_t[65536]; |
| |
| EXPECT_EQ((size_t)3, sizeof(uint8x3_t)); // 3 bytes per struct |
| |
| // tests prepare_index_array_from_masks() |
| EXPECT_EQ((size_t)4, memcpy_by_index_array_initialization_dst_index(NULL, 0, 0x8d, 0x8c)); |
| EXPECT_EQ((size_t)3, memcpy_by_index_array_initialization_dst_index(NULL, 0, 0x8c, 0x8d)); |
| |
| for (size_t i = 0; i < 65536; ++i) { |
| u16ref[i] = i; |
| } |
| memcpy_to_p24_from_i16((uint8_t*)u24ref, (int16_t*)u16ref, 65536); |
| |
| // Test when src mask is 0. Everything copied is zero. |
| src_mask = 0; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_dst_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when dst_mask is 0. Nothing should be copied. |
| src_mask = 0; |
| dst_mask = 0; |
| memset(u24ary, 0, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_dst_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when dst mask equals source count size. One to one copy. |
| src_mask = 0x8d; |
| dst_mask = 0x0f; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_dst_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), 555); |
| EXPECT_EQ(0, memcmp(u24ary, u24ref, 555 * sizeof(u24ref[0]) * popcount(dst_mask))); |
| |
| // Test with a gap in source: |
| // Input 3 samples, output 4 samples, one zero inserted. |
| src_mask = 0x8c; |
| dst_mask = 0x0f; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_dst_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotoneOrZero(u16ary, 65536); |
| EXPECT_EQ((size_t)(65536 * 3 / 4 - 1), nonZeroMono16((int16_t*)u16ary, 65536)); |
| |
| // Test with a gap in destination: |
| // Input 4 samples, output 3 samples, one deleted |
| src_mask = 0x8d; |
| dst_mask = 0x07; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_dst_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(src_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotone(u16ary, 65536 * 3 / 4); |
| |
| delete[] u16ref; |
| delete[] u16ary; |
| delete[] u24ref; |
| delete[] u24ary; |
| } |
| |
| void memcpy_by_channel_mask_src_index(void *dst, uint32_t dst_mask, |
| const void *src, uint32_t src_mask, size_t sample_size, size_t count) |
| { |
| int8_t idxary[32]; |
| uint32_t src_channels = popcount(src_mask); |
| uint32_t dst_channels = |
| memcpy_by_index_array_initialization_src_index(idxary, 32, dst_mask, src_mask); |
| |
| memcpy_by_index_array(dst, dst_channels, src, src_channels, idxary, sample_size, count); |
| } |
| |
| // a modified version of the memcpy_by_channel_mask test |
| // but using 24 bit type and memcpy_by_index_array() |
| TEST(audio_utils_primitives, memcpy_by_index_array_src_index) { |
| uint32_t dst_mask; |
| uint32_t src_mask; |
| typedef struct {uint8_t c[3];} __attribute__((__packed__)) uint8x3_t; |
| uint8x3_t *u24ref = new uint8x3_t[65536]; |
| uint8x3_t *u24ary = new uint8x3_t[65536]; |
| uint16_t *u16ref = new uint16_t[65536]; |
| uint16_t *u16ary = new uint16_t[65536]; |
| |
| EXPECT_EQ((size_t)3, sizeof(uint8x3_t)); // 3 bytes per struct |
| |
| // tests prepare_index_array_from_masks() |
| EXPECT_EQ((size_t)4, memcpy_by_index_array_initialization_src_index(NULL, 0, 0x8d, 0x8c)); |
| EXPECT_EQ((size_t)3, memcpy_by_index_array_initialization_src_index(NULL, 0, 0x8c, 0x8d)); |
| |
| for (size_t i = 0; i < 65536; ++i) { |
| u16ref[i] = i; |
| } |
| memcpy_to_p24_from_i16((uint8_t*)u24ref, (int16_t*)u16ref, 65536); |
| |
| // Test when src mask is 0. Everything copied is zero. |
| src_mask = 0; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when dst_mask is 0. Nothing should be copied. |
| src_mask = 0; |
| dst_mask = 0; |
| memset(u24ary, 0, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| EXPECT_EQ((size_t)0, nonZeroMono16((int16_t*)u16ary, 65530)); |
| |
| // Test when source mask must copy to dst mask. One to one copy. |
| src_mask = 0xf; |
| dst_mask = 0xf; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), 555); |
| EXPECT_EQ(0, memcmp(u24ary, u24ref, 555 * sizeof(u24ref[0]) * popcount(dst_mask))); |
| |
| // Test when source mask must copy to dst mask. One to one copy. |
| src_mask = 0xf; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x99, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), 555); |
| EXPECT_EQ(0, memcmp(u24ary, u24ref, 555 * sizeof(u24ref[0]) * popcount(dst_mask))); |
| |
| // Test with a gap in source: |
| // Input 3 samples, output 4 samples, one zero inserted. |
| src_mask = 0x07; |
| dst_mask = 0x8d; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(dst_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotoneOrZero(u16ary, 65536); |
| EXPECT_EQ((size_t)(65536 * 3 / 4 - 1), nonZeroMono16((int16_t*)u16ary, 65536)); |
| |
| // Test with a gap in destination: |
| // Input 4 samples, output 3 samples, one deleted |
| src_mask = 0x0f; |
| dst_mask = 0x8c; |
| memset(u24ary, 0x9, 65536 * sizeof(u24ary[0])); |
| memcpy_by_channel_mask_src_index(u24ary, dst_mask, u24ref, src_mask, sizeof(u24ref[0]), |
| 65536 / popcount(src_mask)); |
| memcpy_to_i16_from_p24((int16_t*)u16ary, (uint8_t*)u24ary, 65536); |
| checkMonotone(u16ary, 65536 * 3 / 4); |
| |
| delete[] u16ref; |
| delete[] u16ary; |
| delete[] u24ref; |
| delete[] u24ary; |
| } |
| |
| TEST(audio_utils_primitives, updown_mix) { |
| const size_t size = 32767; |
| std::vector<int16_t> i16ref(size * 2); |
| std::vector<int16_t> i16ary(size * 2); |
| |
| for (size_t i = 0; i < size; ++i) { |
| i16ref[i] = i; |
| } |
| upmix_to_stereo_i16_from_mono_i16(i16ary.data(), i16ref.data(), size); |
| downmix_to_mono_i16_from_stereo_i16(i16ary.data(), i16ary.data(), size); |
| |
| EXPECT_EQ(0, memcmp(i16ary.data(), i16ref.data(), sizeof(i16ref[0]) * size)); |
| } |
| |
| template<typename T, typename TComparison> |
| void checkAddedClamped(T *out, const T *in1, const T *in2, size_t size, |
| TComparison limNeg, TComparison limPos) |
| { |
| for (size_t i = 0; i < size; ++i) { |
| TComparison added = (TComparison)in1[i] + in2[i]; |
| if (added <= limNeg) { |
| EXPECT_EQ(limNeg, out[i]); |
| } else if (added >= limPos) { |
| EXPECT_EQ(limPos, out[i]); |
| } else { |
| EXPECT_EQ(added, out[i]); |
| } |
| } |
| } |
| |
| void checkAddedClampedp24(uint8_t *pary, const uint8_t *in1, |
| const uint8_t *in2, size_t size) { |
| // Convert to q8_23 for comparison. |
| int32_t *outi32ary = new int32_t[size]; |
| int32_t *in1i32ary = new int32_t[size]; |
| int32_t *in2i32ary = new int32_t[size]; |
| memcpy_to_q8_23_from_p24(outi32ary, pary, size); |
| memcpy_to_q8_23_from_p24(in1i32ary, in1, size); |
| memcpy_to_q8_23_from_p24(in2i32ary, in2, size); |
| checkAddedClamped( |
| outi32ary, in1i32ary, in2i32ary, size, lim24neg, lim24pos); |
| delete[] in2i32ary; |
| delete[] in1i32ary; |
| delete[] outi32ary; |
| } |
| |
| void checkAddedClampedu8(uint8_t *out, const uint8_t *in1, |
| const uint8_t *in2, size_t size) { |
| // uint8_t data is centered around 0x80, not 0, so checkAddedClamped |
| // won't work. Convert to i16 first. |
| int16_t *outi16ary = new int16_t[size]; |
| int16_t *in1i16ary = new int16_t[size]; |
| int16_t *in2i16ary = new int16_t[size]; |
| memcpy_to_i16_from_u8(outi16ary, out, size); |
| memcpy_to_i16_from_u8(in1i16ary, in1, size); |
| memcpy_to_i16_from_u8(in2i16ary, in2, size); |
| // Only the higher order bits are used. |
| checkAddedClamped(outi16ary, in1i16ary, in2i16ary, size, |
| -0x8000, 0x7f00); |
| delete[] in2i16ary; |
| delete[] in1i16ary; |
| delete[] outi16ary; |
| } |
| |
| TEST(audio_utils_primitives, accumulate) { |
| int16_t *i16ref = new int16_t[65536]; |
| int16_t *i16add = new int16_t[65536]; |
| int16_t *i16ary = new int16_t[65536]; |
| |
| for (size_t i = 0; i < 65536; ++i) { |
| i16ref[i] = i16ary[i] = i16add[(i+1) % 65536] = i - 32768; |
| } |
| |
| // Test i16. |
| accumulate_i16(i16ary, i16add, 65536); |
| checkAddedClamped(i16ary, i16ref, i16add, 65536, lim16neg, |
| lim16pos); |
| |
| // Test i32. |
| int32_t *i32ary = new int32_t[65536]; |
| int32_t *i32add = new int32_t[65536]; |
| int32_t *i32ref = new int32_t[65536]; |
| // Convert sample data to i32 to perform accumulate function. |
| memcpy_to_i32_from_i16(i32ary, i16ref, 65536); |
| memcpy_to_i32_from_i16(i32add, i16add, 65536); |
| // Ensure the reference matches the inital output after conversion. |
| memcpy(i32ref, i32ary, 65536 * sizeof(i32ary[0])); |
| // Accumulate and check. |
| accumulate_i32(i32ary, i32add, 65536); |
| checkAddedClamped( |
| i32ary, i32ref, i32add, 65536, lim32neg, lim32pos); |
| // Cleanup |
| delete[] i32ref; |
| delete[] i32add; |
| delete[] i32ary; |
| |
| // Test u8. |
| uint8_t *u8ary = new uint8_t[65536]; |
| uint8_t *u8add = new uint8_t[65536]; |
| uint8_t *u8ref = new uint8_t[65536]; |
| // Convert sample data to u8 to perform accumulate function. |
| memcpy_to_u8_from_i16(u8ary, i16ref, 65536); |
| memcpy_to_u8_from_i16(u8add, i16add, 65536); |
| // Ensure the reference matches the inital output after conversion. |
| memcpy(u8ref, u8ary, 65536 * sizeof(u8ary[0])); |
| // Accumulate and check. |
| accumulate_u8(u8ary, u8add, 65536); |
| checkAddedClampedu8(u8ary, u8ref, u8add, 65536); |
| // Cleanup. |
| delete[] u8ref; |
| delete[] u8add; |
| delete[] u8ary; |
| |
| // Test 24 bit packed. |
| uint8_t *pary = new uint8_t[65536 * 3]; |
| uint8_t *padd = new uint8_t[65536 * 3]; |
| uint8_t *pref = new uint8_t[65536 * 3]; |
| // Convert sample data to p24 to perform accumulate function. |
| memcpy_to_p24_from_i16(pary, i16ref, 65536); |
| memcpy_to_p24_from_i16(padd, i16add, 65536); |
| // Ensure the reference matches the inital output after conversion. |
| memcpy(pref, pary, 65536 * sizeof(pary[0]) * 3); |
| // Accumulate and check. |
| accumulate_p24(pary, padd, 65536); |
| checkAddedClampedp24(pary, pref, padd, 65536); |
| // Cleanup. |
| delete[] pref; |
| delete[] padd; |
| delete[] pary; |
| |
| // Test 24 bit unpacked. |
| int32_t *q8_23ary = new int32_t[65536]; |
| int32_t *q8_23add = new int32_t[65536]; |
| int32_t *q8_23ref = new int32_t[65536]; |
| // Convert sample data to q8_23 to perform accumulate function. |
| memcpy_to_q8_23_from_i16(q8_23ary, i16ref, 65536); |
| memcpy_to_q8_23_from_i16(q8_23add, i16add, 65536); |
| // Ensure the reference matches the inital output after conversion. |
| memcpy(q8_23ref, q8_23ary, 65536 * sizeof(q8_23ary[0])); |
| // Accumulate and check. |
| accumulate_q8_23(q8_23ary, q8_23add, 65536); |
| checkAddedClamped( |
| q8_23ary, q8_23ref, q8_23add, 65536, lim24neg, lim24pos); |
| // Cleanup. |
| delete[] q8_23ref; |
| delete[] q8_23add; |
| delete[] q8_23ary; |
| |
| // Test float. |
| float *fary = new float[65536]; |
| float *fadd = new float[65536]; |
| float *fref = new float[65536]; |
| // Convert sample data to float to perform accumulate function. |
| memcpy_to_float_from_i16(fary, i16ref, 65536); |
| memcpy_to_float_from_i16(fadd, i16add, 65536); |
| // Ensure the reference matches the inital output after conversion. |
| memcpy(fref, fary, 65536 * sizeof(fary[0])); |
| // Accumulate and check. Floats aren't clamped by accumulate, |
| // but given the input is in the [-1.0, 1.0) range output should be in |
| // [-2.0, 2.0) range. |
| accumulate_float(fary, fadd, 65536); |
| checkAddedClamped(fary, fref, fadd, 65536, -2.0f, 2.0f); |
| // Cleanup. |
| delete[] fref; |
| delete[] fadd; |
| delete[] fary; |
| |
| delete[] i16ary; |
| delete[] i16add; |
| delete[] i16ref; |
| } |
| |
| |
| TEST(audio_utils_primitives, MemcpyToFloatFromFloatWithClamping) { |
| std::vector<float> src = {-INFINITY, -2, -1, -0, 0, 0.009, 1.000001, 9999999, INFINITY, NAN}; |
| std::vector<float> dst(src.size()); |
| float absMax = 1; |
| std::vector<float> expected = {-1, -1, -1, -0, 0, 0.009, 1, 1, 1, 1}; |
| ASSERT_EQ(expected.size(), src.size()); |
| |
| memcpy_to_float_from_float_with_clamping(dst.data(), src.data(), src.size(), absMax); |
| |
| ASSERT_EQ(dst, expected) << "src=" << testing::PrintToString(src); |
| } |