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74 lines
1.5 KiB
C++
74 lines
1.5 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 "test_pcm_util.hxx"
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#include "pcm/Pack.hxx"
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#include "util/ByteOrder.hxx"
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#include <gtest/gtest.h>
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TEST(PcmTest, Pack24)
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{
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constexpr unsigned N = 509;
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const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
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uint8_t dest[N * 3];
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pcm_pack_24(dest, src.begin(), src.end());
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for (unsigned i = 0; i < N; ++i) {
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int32_t d;
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if (IsBigEndian())
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d = (dest[i * 3] << 16) | (dest[i * 3 + 1] << 8)
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| dest[i * 3 + 2];
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else
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d = (dest[i * 3 + 2] << 16) | (dest[i * 3 + 1] << 8)
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| dest[i * 3];
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if (d & 0x800000)
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d |= 0xff000000;
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EXPECT_EQ(d, src[i]);
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}
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}
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TEST(PcmTest, Unpack24)
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{
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constexpr unsigned N = 509;
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const auto src = TestDataBuffer<uint8_t, N * 3>();
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int32_t dest[N];
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pcm_unpack_24(dest, src.begin(), src.end());
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for (unsigned i = 0; i < N; ++i) {
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int32_t s;
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if (IsBigEndian())
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s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
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| src[i * 3 + 2];
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else
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s = (src[i * 3 + 2] << 16) | (src[i * 3 + 1] << 8)
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| src[i * 3];
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if (s & 0x800000)
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s |= 0xff000000;
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EXPECT_EQ(s, dest[i]);
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}
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}
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TEST(PcmTest, Unpack24BE)
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{
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constexpr unsigned N = 509;
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const auto src = TestDataBuffer<uint8_t, N * 3>();
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int32_t dest[N];
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pcm_unpack_24be(dest, src.begin(), src.end());
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for (unsigned i = 0; i < N; ++i) {
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int32_t s;
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s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
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| src[i * 3 + 2];
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if (s & 0x800000)
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s |= 0xff000000;
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EXPECT_EQ(s, dest[i]);
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}
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}
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