1 files changed, 53 insertions, 0 deletions
diff --git a/src/MusicBuffer.cxx b/src/MusicBuffer.cxx
new file mode 100644
index 000000000..c811d8627
--- /dev/null
+++ b/src/MusicBuffer.cxx
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2003-2013 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");
+}
+
+music_chunk *
+MusicBuffer::Allocate()
+{
+	const ScopeLock protect(mutex);
+	return buffer.Allocate();
+}
+
+void
+MusicBuffer::Return(music_chunk *chunk)
+{
+	assert(chunk != nullptr);
+
+	const ScopeLock protect(mutex);
+
+	if (chunk->other != nullptr) {
+		assert(chunk->other->other == nullptr);
+		buffer.Free(chunk->other);
+	}
+
+	buffer.Free(chunk);
+}