test/test_pcm: merge source buffer generator
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68
test/test_pcm_util.hxx
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68
test/test_pcm_util.hxx
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/*
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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 <glib.h>
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#include <array>
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#include <stddef.h>
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#include <stdint.h>
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template<typename T>
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struct GlibRandomInt {
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T operator()() const {
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return T(g_random_int());
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}
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};
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struct GlibRandomInt24 : GlibRandomInt<int32_t> {
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int32_t operator()() const {
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auto t = GlibRandomInt::operator()();
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t &= 0xffffff;
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if (t & 0x800000)
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t |= 0xff000000;
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return t;
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}
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};
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struct GlibRandomFloat {
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float operator()() const {
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return g_random_double_range(-1.0, 1.0);
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}
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};
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template<typename T, size_t N>
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class TestDataBuffer : std::array<T, N> {
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public:
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using typename std::array<T, N>::const_pointer;
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using std::array<T, N>::begin;
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using std::array<T, N>::end;
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using std::array<T, N>::operator[];
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template<typename G=GlibRandomInt<T>>
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TestDataBuffer(G g=G()):std::array<T, N>() {
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for (auto &i : *this)
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i = g();
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}
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operator typename std::array<T, N>::const_pointer() const {
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return begin();
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}
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};
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