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engines/wintermute/video/video_theora_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/>.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_VIDTHEORAPLAYER_H
+#define WINTERMUTE_VIDTHEORAPLAYER_H
+
+#include "engines/wintermute/base/base.h"
+#include "engines/wintermute/persistent.h"
+#include "engines/wintermute/video/video_subtitler.h"
+#include "video/video_decoder.h"
+#include "common/stream.h"
+#include "graphics/surface.h"
+
+namespace Wintermute {
+class BaseSurface;
+class BaseImage;
+class VideoTheoraPlayer : public BaseClass {
+private:
+	enum {
+		THEORA_STATE_NONE = 0,
+		THEORA_STATE_PLAYING = 1,
+		THEORA_STATE_PAUSED = 2,
+		THEORA_STATE_FINISHED = 3
+	};
+	Video::VideoDecoder *_theoraDecoder;
+public:
+	DECLARE_PERSISTENT(VideoTheoraPlayer, BaseClass)
+
+	VideoTheoraPlayer(BaseGame *inGame);
+	~VideoTheoraPlayer() override;
+
+	// external objects
+	Common::String _filename;
+
+	BaseSurface *_texture;
+	VideoSubtitler *_subtitler;
+
+	// control methods
+	bool initialize(const Common::String &filename, const Common::String &subtitleFile = Common::String());
+	bool initializeSimple();
+	bool update();
+	bool play(TVideoPlayback type = VID_PLAY_CENTER, int x = 0, int y = 0, bool freezeGame = false, bool freezeMusic = true, bool looping = false, uint32 startTime = 0, float forceZoom = -1.0f, int volume = -1);
+	bool stop();
+	bool display(uint32 alpha = 0xFFFFFFFF);
+
+	bool pause();
+	bool resume();
+
+	bool isPlaying() const {
+		return _state == THEORA_STATE_PLAYING;
+	};
+	bool isFinished() const {
+		return _state == THEORA_STATE_FINISHED;
+	};
+	bool isPaused() const {
+		return _state == THEORA_STATE_PAUSED;
+	};
+
+	uint32 getMovieTime() const;
+
+	BaseSurface *getTexture() const;
+
+	// alpha related
+	char *_alphaFilename;
+	bool setAlphaImage(const char *filename);
+
+	bool seekToTime(uint32 Time);
+
+	void cleanup();
+	bool resetStream();
+
+	// video properties
+	int32 _posX;
+	int32 _posY;
+
+	bool _dontDropFrames;
+private:
+	int32 _state;
+	uint32 _startTime;
+
+	int32 _savedState;
+	uint32 _savedPos;
+
+	// video properties
+	TVideoPlayback _playbackType;
+	bool _looping;
+	float _playZoom;
+	int32 _volume;
+
+	bool _freezeGame;
+	uint32 _currentTime;
+
+	// seeking support
+	bool _seekingKeyframe;
+	float _timeOffset;
+
+	bool _frameRendered;
+
+	bool getIsFrameReady() const {
+		return _videoFrameReady;
+	}
+
+	bool _audioFrameReady;
+	bool _videoFrameReady;
+	float _videobufTime;
+
+	bool writeVideo(const Graphics::Surface *decodedFrame);
+
+	bool _playbackStarted;
+
+	bool _foundSubtitles;
+
+	// helpers
+	void setDefaults();
+};
+
+} // End of namespace Wintermute
+
+#endif