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/*
* Adplug - Replayer for many OPL2/OPL3 audio file formats.
* Copyright (C) 1999 - 2007 Simon Peter, <dn.tlp@gmx.net>, et al.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* player.cpp - Replayer base class, by Simon Peter <dn.tlp@gmx.net>
*/
#include "player.h"
#include "adplug.h"
#include "silentopl.h"
/***** CPlayer *****/
const unsigned short CPlayer::note_table[12] =
{363, 385, 408, 432, 458, 485, 514, 544, 577, 611, 647, 686};
const unsigned char CPlayer::op_table[9] =
{0x00, 0x01, 0x02, 0x08, 0x09, 0x0a, 0x10, 0x11, 0x12};
CPlayer::CPlayer(Copl *newopl)
: opl(newopl), db(CAdPlug::database)
{
}
CPlayer::~CPlayer()
{
}
unsigned long CPlayer::songlength(int subsong)
{
CSilentopl tempopl;
Copl *saveopl = opl;
float slength = 0.0f;
// save original OPL from being overwritten
opl = &tempopl;
// get song length
rewind(subsong);
while(update() && slength < 600000) // song length limit: 10 minutes
slength += 1000.0f / getrefresh();
rewind(subsong);
// restore original OPL and return
opl = saveopl;
return (unsigned long)slength;
}
void CPlayer::seek(unsigned long ms)
{
float pos = 0.0f;
rewind();
while(pos < ms && update()) // seek to new position
pos += 1000/getrefresh();
}
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