Added CD Audio support for OpenAL.

Updated Scons & Makefiles to cope
2004-04-02 13:15:18 +00:00
parent 51830fa0e2
commit 2ccb9cf785
8 changed files with 339 additions and 10 deletions
--- a/intern/SoundSystem/sdl/SND_SDLCDDevice.cpp
+++ b/intern/SoundSystem/sdl/SND_SDLCDDevice.cpp
@@ -0,0 +1,155 @@
+/*
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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/BL DUAL 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()
+{
+	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", SDL_GetError());
+		return;
+	}
+}
+
+SND_SDLCDDevice::~SND_SDLCDDevice()
+{
+	StopCD();
+	SDL_CDClose(m_cdrom);
+}
+
+void SND_SDLCDDevice::NextFrame()
+{
+	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;
+		}
+	
+	}
+}
+	
+void SND_SDLCDDevice::PlayCD(int track)
+{
+	if ( m_cdrom && CD_INDRIVE(SDL_CDStatus(m_cdrom)) ) {
+		SDL_CDPlayTracks(m_cdrom, track-1, 0, track, 0);
+		m_cdplaying = true;
+		m_cdtrack = track;
+	}
+}
+
+
+void SND_SDLCDDevice::PauseCD(bool pause)
+{
+	if (!m_cdrom)
+		return;
+		
+	if (pause)
+		SDL_CDPause(m_cdrom);
+	else
+		SDL_CDResume(m_cdrom);
+}
+
+void SND_SDLCDDevice::StopCD()
+{
+	if (m_cdrom)
+		SDL_CDStop(m_cdrom);
+	m_cdplaying = false;
+}
+
+void SND_SDLCDDevice::SetCDPlaymode(int playmode)
+{
+	m_cdplaymode = playmode;
+}
+
+void SND_SDLCDDevice::SetCDGain(MT_Scalar gain)
+{
+
+}