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//=========================================================
// MusE
// Linux Music Editor
// $Id: audioprefetch.h,v 1.3.2.2 2009/12/20 05:00:35 terminator356 Exp $
//
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//
// 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; 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.
//
//=========================================================
#ifndef __AUDIOPREFETCH_H__
#define __AUDIOPREFETCH_H__
#include "thread.h"
namespace MusECore {
//---------------------------------------------------------
// AudioPrefetch
//---------------------------------------------------------
class AudioPrefetch : public Thread {
unsigned writePos;
unsigned seekPos; // remember last seek to optimize seeks
virtual void processMsg1(const void*);
void prefetch(bool doSeek);
void seek(unsigned pos);
volatile int seekCount;
public:
AudioPrefetch(const char* name);
~AudioPrefetch();
virtual void start(int);
void msgTick();
void msgSeek(unsigned samplePos, bool force=false);
bool seekDone() const { return seekCount == 0; }
};
} // namespace MusECore
namespace MusEGlobal {
extern MusECore::AudioPrefetch* audioPrefetch;
}
#endif
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