109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "pcm/Interleave.hxx"
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#include <gtest/gtest.h>
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#include <algorithm>
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template<typename T>
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static void
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TestInterleaveN()
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{
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static constexpr T src1[] = { 1, 4, 7 };
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static constexpr T src2[] = { 2, 5, 8 };
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static constexpr T src3[] = { 3, 6, 9 };
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static constexpr const T *src_all[] = { src1, src2, src3 };
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static constexpr size_t n_frames = std::size(src1);
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static constexpr unsigned channels = std::size(src_all);
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static const std::span<const void *const> src{
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(const void *const*)src_all,
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channels,
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};
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static constexpr T poison = T(0xdeadbeef);
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T dest[n_frames * channels + 1];
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std::fill_n(dest, std::size(dest), poison);
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PcmInterleave(dest, src, n_frames, sizeof(T));
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EXPECT_EQ(T(1), dest[0]);
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EXPECT_EQ(T(2), dest[1]);
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EXPECT_EQ(T(3), dest[2]);
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EXPECT_EQ(T(4), dest[3]);
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EXPECT_EQ(T(5), dest[4]);
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EXPECT_EQ(T(6), dest[5]);
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EXPECT_EQ(T(7), dest[6]);
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EXPECT_EQ(T(8), dest[7]);
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EXPECT_EQ(T(9), dest[8]);
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EXPECT_EQ(poison, dest[9]);
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}
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TEST(PcmTest, Interleave8)
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{
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TestInterleaveN<uint8_t>();
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}
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TEST(PcmTest, Interleave16)
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{
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TestInterleaveN<uint16_t>();
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}
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TEST(PcmTest, Interleave24)
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{
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using T = uint8_t;
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static constexpr T src1[] = { 1, 2, 3, 4, 5, 6 };
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static constexpr T src2[] = { 7, 8, 9, 10, 11, 12 };
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static constexpr T src3[] = { 13, 14, 15, 16, 17, 18 };
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static constexpr const T *src_all[] = { src1, src2, src3 };
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static constexpr size_t n_frames = std::size(src1) / 3;
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static constexpr unsigned channels = std::size(src_all);
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static const std::span<const void *const> src{
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(const void *const*)src_all,
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channels,
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};
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static constexpr T poison = 0xff;
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T dest[n_frames * channels * 3 + 1];
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std::fill_n(dest, std::size(dest), poison);
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PcmInterleave(dest, src, n_frames, 3);
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EXPECT_EQ(T(1), dest[0]);
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EXPECT_EQ(T(2), dest[1]);
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EXPECT_EQ(T(3), dest[2]);
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EXPECT_EQ(T(7), dest[3]);
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EXPECT_EQ(T(8), dest[4]);
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EXPECT_EQ(T(9), dest[5]);
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EXPECT_EQ(T(13), dest[6]);
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EXPECT_EQ(T(14), dest[7]);
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EXPECT_EQ(T(15), dest[8]);
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EXPECT_EQ(T(4), dest[9]);
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EXPECT_EQ(T(5), dest[10]);
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EXPECT_EQ(T(6), dest[11]);
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EXPECT_EQ(T(10), dest[12]);
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EXPECT_EQ(T(11), dest[13]);
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EXPECT_EQ(T(12), dest[14]);
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EXPECT_EQ(T(16), dest[15]);
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EXPECT_EQ(T(17), dest[16]);
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EXPECT_EQ(T(18), dest[17]);
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EXPECT_EQ(poison, dest[18]);
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TestInterleaveN<uint16_t>();
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}
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TEST(PcmTest, Interleave32)
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{
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TestInterleaveN<uint8_t>();
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}
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TEST(PcmTest, Interleave64)
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{
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TestInterleaveN<uint64_t>();
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}
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