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backends/audiocd/default/default-audiocd.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKENDS_AUDIOCD_DEFAULT_H
+#define BACKENDS_AUDIOCD_DEFAULT_H
+
+#include "backends/audiocd/audiocd.h"
+#include "audio/mixer.h"
+
+namespace Common {
+class String;
+} // End of namespace Common
+
+/**
+ * The default audio cd manager. Implements emulation of audio cd playback.
+ */
+class DefaultAudioCDManager : public AudioCDManager {
+public:
+	DefaultAudioCDManager();
+	virtual ~DefaultAudioCDManager();
+
+	virtual bool open();
+	virtual void close();
+	virtual bool play(int track, int numLoops, int startFrame, int duration, bool onlyEmulate = false,
+		Audio::Mixer::SoundType soundType = Audio::Mixer::kMusicSoundType);
+	virtual bool playAbsolute(int startFrame, int numLoops, int duration, bool onlyEmulate = false,
+		Audio::Mixer::SoundType soundType = Audio::Mixer::kMusicSoundType, const char *cuesheet = "disc.cue");
+	virtual void stop();
+	virtual bool isPlaying() const;
+	virtual void setVolume(byte volume);
+	virtual void setBalance(int8 balance);
+	virtual void update();
+	virtual Status getStatus() const; // Subclasses should override for better status results
+	virtual bool existExtractedCDAudioFiles(uint track);
+	virtual bool isDataAndCDAudioReadFromSameCD() { return false; }
+
+private:
+	void fillPotentialTrackNames(Common::Array<Common::String> &trackNames, int track) const;
+
+protected:
+	/**
+	 * Open a CD using the cdrom config variable
+	 */
+	bool openRealCD();
+
+	/**
+	 * Open a CD using the specified drive index
+	 * @param drive The index of the drive
+	 * @note The index is implementation-defined, but 0 is always the best choice
+	 */
+	virtual bool openCD(int drive) { return false; }
+
+	/**
+	 * Open a CD from a specific drive
+	 * @param drive The name of the drive/path
+	 * @note The drive parameter is platform-specific
+	 */
+	virtual bool openCD(const Common::Path &drive) { return false; }
+
+	Audio::SoundHandle _handle;
+	bool _emulating;
+
+	Status _cd;
+	Audio::Mixer *_mixer;
+};
+
+#endif