android
doc
m4
scripts
src
systemd
test
.gitignore
DivideStringTest.hxx
DumpDatabase.cxx
FakeDecoderAPI.cxx
FakeDecoderAPI.hxx
FakeReplayGainConfig.cxx
ScopeIOThread.hxx
ShutdownHandler.cxx
ShutdownHandler.hxx
SplitStringTest.hxx
TestCircularBuffer.hxx
TestIcu.cxx
UriUtilTest.hxx
WriteFile.cxx
dump_playlist.cxx
dump_rva2.cxx
dump_text_file.cxx
read_conf.cxx
read_mixer.cxx
read_tags.cxx
run_avahi.cxx
run_convert.cxx
run_decoder.cxx
run_encoder.cxx
run_filter.cxx
run_gunzip.cxx
run_gzip.cxx
run_inotify.cxx
run_input.cxx
run_neighbor_explorer.cxx
run_normalize.cxx
run_output.cxx
run_resolver.cxx
run_storage.cxx
software_volume.cxx
stdbin.h
test_archive.cxx
test_archive_bzip2.sh
test_archive_iso9660.sh
test_archive_zzip.sh
test_byte_reverse.cxx
test_icy_parser.cxx
test_mixramp.cxx
test_pcm_all.hxx
test_pcm_channels.cxx
test_pcm_dither.cxx
test_pcm_export.cxx
test_pcm_format.cxx
test_pcm_main.cxx
test_pcm_mix.cxx
test_pcm_pack.cxx
test_pcm_util.hxx
test_pcm_volume.cxx
test_protocol.cxx
test_queue_priority.cxx
test_rewind.cxx
test_translate_song.cxx
test_util.cxx
test_vorbis_encoder.cxx
visit_archive.cxx
win32
.gitignore
AUTHORS
COPYING
INSTALL
Makefile.am
NEWS
README
autogen.sh
configure.ac
mpd.svg
valgrind.suppressions
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/*
|
|
* Copyright (C) 2003-2015 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 "config.h"
|
|
#include "test_pcm_all.hxx"
|
|
#include "test_pcm_util.hxx"
|
|
#include "pcm/PcmChannels.hxx"
|
|
#include "pcm/PcmBuffer.hxx"
|
|
#include "util/ConstBuffer.hxx"
|
|
|
|
void
|
|
PcmChannelsTest::TestChannels16()
|
|
{
|
|
constexpr size_t N = 509;
|
|
const auto src = TestDataBuffer<int16_t, N * 2>();
|
|
|
|
PcmBuffer buffer;
|
|
|
|
/* stereo to mono */
|
|
|
|
auto dest = pcm_convert_channels_16(buffer, 1, 2, { src, N * 2 });
|
|
CPPUNIT_ASSERT(!dest.IsNull());
|
|
CPPUNIT_ASSERT_EQUAL(N, dest.size);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
CPPUNIT_ASSERT_EQUAL(int16_t((src[i * 2] + src[i * 2 + 1]) / 2),
|
|
dest[i]);
|
|
|
|
/* mono to stereo */
|
|
|
|
dest = pcm_convert_channels_16(buffer, 2, 1, { src, N * 2 });
|
|
CPPUNIT_ASSERT(!dest.IsNull());
|
|
CPPUNIT_ASSERT_EQUAL(N * 4, dest.size);
|
|
for (unsigned i = 0; i < N; ++i) {
|
|
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2]);
|
|
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2 + 1]);
|
|
}
|
|
}
|
|
|
|
void
|
|
PcmChannelsTest::TestChannels32()
|
|
{
|
|
constexpr size_t N = 509;
|
|
const auto src = TestDataBuffer<int32_t, N * 2>();
|
|
|
|
PcmBuffer buffer;
|
|
|
|
/* stereo to mono */
|
|
|
|
auto dest = pcm_convert_channels_32(buffer, 1, 2, { src, N * 2 });
|
|
CPPUNIT_ASSERT(!dest.IsNull());
|
|
CPPUNIT_ASSERT_EQUAL(N, dest.size);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
CPPUNIT_ASSERT_EQUAL(int32_t(((int64_t)src[i * 2] + (int64_t)src[i * 2 + 1]) / 2),
|
|
dest[i]);
|
|
|
|
/* mono to stereo */
|
|
|
|
dest = pcm_convert_channels_32(buffer, 2, 1, { src, N * 2 });
|
|
CPPUNIT_ASSERT(!dest.IsNull());
|
|
CPPUNIT_ASSERT_EQUAL(N * 4, dest.size);
|
|
for (unsigned i = 0; i < N; ++i) {
|
|
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2]);
|
|
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2 + 1]);
|
|
}
|
|
}
|