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engines/groovie/video/player.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 GROOVIE_VIDEO_PLAYER_H
+#define GROOVIE_VIDEO_PLAYER_H
+
+#include "common/system.h"
+#include "video/subtitles.h"
+
+namespace Audio {
+class QueuingAudioStream;
+}
+
+namespace Groovie {
+
+class GroovieEngine;
+
+class VideoPlayer {
+public:
+	VideoPlayer(GroovieEngine *vm);
+	virtual ~VideoPlayer() {}
+
+	bool load(Common::SeekableReadStream *file, uint16 flags);
+	bool playFrame();
+	virtual void resetFlags() {}
+	virtual void setOrigin(int16 x, int16 y) {}
+	virtual void stopAudioStream() = 0;
+	void fastForward();
+	bool isFastForwarding();
+	virtual void drawString(Graphics::Surface *surface, const Common::String &text, int posx, int posy, uint32 color, bool blackBackground) {}
+	virtual void copyfgtobg(uint8 arg) {}
+	void setOverrideSpeed(bool isOverride);
+
+	void loadSubtitles(const char *fname) { _subtitles.loadSRTFile(fname); }
+	void unloadSubtitles();
+
+	virtual bool isFileHandled() { return false; }
+
+protected:
+	// To be implemented by subclasses
+	virtual uint16 loadInternal() = 0;
+	virtual bool playFrameInternal() = 0;
+
+	bool getOverrideSpeed() const { return _overrideSpeed; }
+
+	GroovieEngine *_vm;
+	OSystem *_syst;
+	Common::SeekableReadStream *_file;
+	uint16 _flags;
+	Audio::QueuingAudioStream *_audioStream;
+
+
+private:
+	// Synchronization stuff
+	bool _begunPlaying;
+	bool _overrideSpeed;
+	uint16 _fps;
+	float _millisBetweenFrames;
+	uint32 _lastFrameTime;
+	float _frameTimeDrift;
+	uint32 _startTime;
+
+	Video::Subtitles _subtitles;
+
+protected:
+	virtual void waitFrame();
+};
+
+} // End of Groovie namespace
+
+#endif // GROOVIE_VIDEO_PLAYER_H