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engines/agds/mjpgPlayer.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 MJPG_PLAYER_H
+#define MJPG_PLAYER_H
+
+#include "common/array.h"
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "common/stream.h"
+#include "graphics/surface.h"
+#include "image/jpeg.h"
+
+namespace AGDS {
+
+class AGDSEngine;
+class MJPGPlayer {
+	using StreamPtr = Common::ScopedPtr<Common::SeekableReadStream>;
+	StreamPtr _stream;
+	int32 _firstFramePos;
+	Image::JPEGDecoder _decoder;
+	uint _framesPlayed;
+
+	struct Text {
+		using Lines = Common::Array<Common::String>;
+
+		uint begin;
+		uint end;
+		Lines lines;
+	};
+
+	Common::Array<Text> _subtitles;
+	uint _nextSubtitleIndex;
+
+public:
+	MJPGPlayer(Common::SeekableReadStream *stream, const Common::String &subtitles);
+	~MJPGPlayer();
+
+	bool eos() {
+		return _stream->eos();
+	}
+
+	void rewind();
+	const Graphics::Surface *decodeFrame();
+	void paint(AGDSEngine &engine, Graphics::Surface &backbuffer);
+
+	uint32 getNextFrameTimestamp() const {
+		return _framesPlayed * 1000 / 24;
+	}
+};
+
+} // End of namespace AGDS
+
+#endif /* AGDS_MJPG_PLAYER_H */