115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "test_pcm_all.hxx"
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#include "test_pcm_util.hxx"
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#include "pcm/PcmFormat.hxx"
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#include "pcm/PcmDither.hxx"
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#include "pcm/PcmUtils.hxx"
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#include "pcm/PcmBuffer.hxx"
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#include "AudioFormat.hxx"
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void
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PcmFormatTest::TestFormat8to16()
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{
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constexpr unsigned N = 256;
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const auto src = TestDataBuffer<int8_t, N>();
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PcmBuffer buffer;
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size_t d_size;
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PcmDither dither;
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auto d = pcm_convert_to_16(buffer, dither, SampleFormat::S8,
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src, sizeof(src), &d_size);
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auto d_end = pcm_end_pointer(d, d_size);
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CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
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for (size_t i = 0; i < N; ++i)
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CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
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}
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void
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PcmFormatTest::TestFormat16to24()
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{
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constexpr unsigned N = 256;
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const auto src = TestDataBuffer<int16_t, N>();
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PcmBuffer buffer;
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size_t d_size;
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auto d = pcm_convert_to_24(buffer, SampleFormat::S16,
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src, sizeof(src), &d_size);
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auto d_end = pcm_end_pointer(d, d_size);
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CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
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for (size_t i = 0; i < N; ++i)
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CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
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}
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void
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PcmFormatTest::TestFormat16to32()
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{
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constexpr unsigned N = 256;
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const auto src = TestDataBuffer<int16_t, N>();
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PcmBuffer buffer;
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size_t d_size;
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auto d = pcm_convert_to_32(buffer, SampleFormat::S16,
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src, sizeof(src), &d_size);
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auto d_end = pcm_end_pointer(d, d_size);
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CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
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for (size_t i = 0; i < N; ++i)
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CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 16);
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}
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void
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PcmFormatTest::TestFormatFloat()
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{
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constexpr unsigned N = 256;
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const auto src = TestDataBuffer<int16_t, N>();
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PcmBuffer buffer1, buffer2;
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size_t f_size;
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auto f = pcm_convert_to_float(buffer1, SampleFormat::S16,
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src, sizeof(src), &f_size);
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auto f_end = pcm_end_pointer(f, f_size);
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CPPUNIT_ASSERT_EQUAL(N, unsigned(f_end - f));
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for (auto i = f; i != f_end; ++i) {
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CPPUNIT_ASSERT(*i >= -1.);
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CPPUNIT_ASSERT(*i <= 1.);
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}
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PcmDither dither;
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size_t d_size;
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auto d = pcm_convert_to_16(buffer2, dither,
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SampleFormat::FLOAT,
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f, f_size, &d_size);
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auto d_end = pcm_end_pointer(d, d_size);
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CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
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for (size_t i = 0; i < N; ++i)
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CPPUNIT_ASSERT_EQUAL(src[i], d[i]);
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}
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