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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_util.hxx"
#include "pcm/Pack.hxx"
#include "util/ByteOrder.hxx"
#include <gtest/gtest.h>
TEST(PcmTest, Pack24)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
uint8_t dest[N * 3];
pcm_pack_24(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t d;
if (IsBigEndian())
d = (dest[i * 3] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3 + 2];
else
d = (dest[i * 3 + 2] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3];
if (d & 0x800000)
d |= 0xff000000;
EXPECT_EQ(d, src[i]);
}
}
TEST(PcmTest, Unpack24)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<uint8_t, N * 3>();
int32_t dest[N];
pcm_unpack_24(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t s;
if (IsBigEndian())
s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3 + 2];
else
s = (src[i * 3 + 2] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3];
if (s & 0x800000)
s |= 0xff000000;
EXPECT_EQ(s, dest[i]);
}
}
TEST(PcmTest, Unpack24BE)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<uint8_t, N * 3>();
int32_t dest[N];
pcm_unpack_24be(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t s;
s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3 + 2];
if (s & 0x800000)
s |= 0xff000000;
EXPECT_EQ(s, dest[i]);
}
}
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