blender/intern/SoundSystem/sdl/SND_SDLCDDevice.cpp

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/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* SND_SDLCDDevice
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef WIN32
#pragma warning (disable:4786) // get rid of stupid stl-visual compiler debug warning
#endif //WIN32
#include "MT_Scalar.h"
#include "SND_SDLCDDevice.h"
#include "SoundDefines.h"
#include <SDL.h>
SND_SDLCDDevice::SND_SDLCDDevice() :
m_cdrom(NULL),
m_cdplaying(false),
m_cdtrack(0),
m_cdplaymode(SND_CD_TRACK),
m_frame(0)
{
init();
}
void SND_SDLCDDevice::init()
{
#ifdef DISABLE_SDL
fprintf(stderr, "Blender compiled without SDL, no CDROM support\n");
return;
#else
if (SDL_InitSubSystem(SDL_INIT_CDROM))
{
fprintf(stderr, "Error initializing CDROM\n");
return;
}
/* Check for CD drives */
if(!SDL_CDNumDrives())
{
/* None found */
fprintf(stderr, "No CDROM devices available\n");
return;
}
/* Open the default drive */
m_cdrom = SDL_CDOpen(0);
/* Did if open? Check if cdrom is NULL */
if(!m_cdrom)
{
fprintf(stderr, "Couldn't open drive: %s\n", SDL_GetError());
return;
}
#endif
}
SND_SDLCDDevice::~SND_SDLCDDevice()
{
#ifndef DISABLE_SDL
StopCD();
SDL_CDClose(m_cdrom);
#endif
}
void SND_SDLCDDevice::NextFrame()
{
#ifndef DISABLE_SDL
m_frame++;
m_frame &= 127;
if (!m_frame && m_cdrom && m_cdplaying && SDL_CDStatus(m_cdrom) == CD_STOPPED)
{
switch (m_cdplaymode)
{
case SND_CD_ALL:
if (m_cdtrack < m_cdrom->numtracks)
PlayCD(m_cdtrack + 1);
else
m_cdplaying = false;
break;
default:
case SND_CD_TRACK:
m_cdplaying = false;
break;
case SND_CD_TRACKLOOP:
PlayCD(m_cdtrack);
break;
}
}
#endif
}
void SND_SDLCDDevice::PlayCD(int track)
{
#ifndef DISABLE_SDL
if ( m_cdrom && CD_INDRIVE(SDL_CDStatus(m_cdrom)) ) {
SDL_CDPlayTracks(m_cdrom, track-1, 0, track, 0);
m_cdplaying = true;
m_cdtrack = track;
}
#endif
}
void SND_SDLCDDevice::PauseCD(bool pause)
{
#ifndef DISABLE_SDL
if (!m_cdrom)
return;
if (pause)
SDL_CDPause(m_cdrom);
else
SDL_CDResume(m_cdrom);
#endif
}
void SND_SDLCDDevice::StopCD()
{
#ifndef DISABLE_SDL
if (m_cdrom)
SDL_CDStop(m_cdrom);
m_cdplaying = false;
#endif
}
void SND_SDLCDDevice::SetCDPlaymode(int playmode)
{
m_cdplaymode = playmode;
}
void SND_SDLCDDevice::SetCDGain(MT_Scalar gain)
{
}