From 4b808ab7f4b12551f5737bb666361efd79f62a3a Mon Sep 17 00:00:00 2001
From: tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>
Date: Fri, 5 Nov 2010 09:31:03 +0000
Subject: media plugins

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2710 b956fd51-792f-4845-bead-9b4dfca2ff2c
---
 .../src/plugins/media/ffmpeg/ffmpeg_video_decode.h | 115 +++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.h

(limited to 'mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.h')

diff --git a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.h b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.h
new file mode 100644
index 00000000..7abe1257
--- /dev/null
+++ b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.h
@@ -0,0 +1,115 @@
+/* UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe 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 2
+ * 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; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+#ifndef _FFMPEG_VIDEO_DECODE_H_
+#define _FFMPEG_VIDEO_DECODE_H_
+
+#include "ffmpeg_core.h"
+#include "core/plugin_video_decode.h"
+
+#define USE_SWSCALE
+
+// uncomment if you want to see the debug stuff
+//#define DEBUG_DISPLAY
+//#define DEBUG_FRAMES
+
+// use BGR-format for accelerated colorspace conversion with swscale
+#ifdef USE_SWSCALE
+# define PIXEL_FMT_BGR
+#endif
+
+#define PIXEL_FMT_BGR
+
+#ifdef PIXEL_FMT_BGR
+# define PIXEL_FMT_FFMPEG    PIX_FMT_BGR24
+# define PIXEL_FMT_SIZE      3
+// looks strange on linux
+//# define PIXEL_FMT_FFMPEG  PIX_FMT_BGR32;
+//# define PIXEL_FMT_SIZE    4;
+#else
+// looks strange on linux:
+# define PIXEL_FMT_FFMPEG    PIX_FMT_RGB24
+# define PIXEL_FMT_SIZE      3
+#endif
+
+extern const videoDecoderInfo_t videoDecoderInfo;
+
+class FFmpegVideoDecodeStream : public VideoDecodeStream {
+private:
+	bool _opened; //**< stream successfully opened
+	bool _eof; //**< end-of-file state
+
+	bool _loop; //**< looping enabled
+
+	AVStream *_stream;
+	int _streamIndex;
+	AVFormatContext *_formatContext;
+	AVCodecContext *_codecContext;
+	AVCodec *_codec;
+
+	AVFrame *_avFrame;
+	AVFrame *_avFrameRGB;
+
+	uint8_t *_frameBuffer; //**< stores a FFmpeg video frame
+	bool _frameTexValid; //**< if true, fFrameTex contains the current frame
+
+#ifdef USE_SWSCALE
+	SwsContext *_swScaleContext;
+#endif
+
+	double _aspect; //**< width/height ratio
+
+	long double _frameDuration; //**< duration of a video frame in seconds (= 1/fps)
+	long double _frameTime; //**< video time position (absolute)
+	long double _loopTime; //**< start time of the current loop
+
+	FFmpegVideoDecodeStream();
+
+	bool decodeFrame();
+	void synchronizeTime(AVFrame *frame, double &pts);
+
+	bool _open(const IPath &filename);
+	void close();
+
+public:
+	virtual ~FFmpegVideoDecodeStream() {
+		close();
+	}
+
+	static FFmpegVideoDecodeStream* open(const IPath &filename);
+
+	virtual void setLoop(bool enable);
+	virtual bool getLoop();
+
+	virtual void setPosition(double time);
+	virtual double getPosition();
+
+	virtual int getFrameWidth();
+	virtual int getFrameHeight();
+
+	virtual double getFrameAspect();
+	virtual uint8_t* getFrame(long double time);
+};
+
+#endif /* _FFMPEG_VIDEO_DECODE_H_ */
-- 
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