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/*
* 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 "MusicBuffer.hxx"
#include "MusicChunk.hxx"
#include "system/FatalError.hxx"
#include <assert.h>
MusicBuffer::MusicBuffer(unsigned num_chunks)
:buffer(num_chunks) {
if (buffer.IsOOM())
FatalError("Failed to allocate buffer");
}
MusicChunk *
MusicBuffer::Allocate()
{
const ScopeLock protect(mutex);
return buffer.Allocate();
}
void
MusicBuffer::Return(MusicChunk *chunk)
{
assert(chunk != nullptr);
const ScopeLock protect(mutex);
if (chunk->other != nullptr) {
assert(chunk->other->other == nullptr);
buffer.Free(chunk->other);
}
buffer.Free(chunk);
}
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