1 files changed, 69 insertions, 0 deletions
diff --git a/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h b/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h
new file mode 100644
index 00000000..e3a31b26
--- /dev/null
+++ b/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h
@@ -0,0 +1,69 @@
+/* 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 _PLUGIN_AUDIO_CONVERT_H_
+#define _PLUGIN_AUDIO_CONVERT_H_
+
+#include "util.h"
+#include "plugin_core.h"
+#include "logger.h"
+
+#ifdef __cplusplus
+
+class AudioConvertStream {
+protected:
+	AudioFormatInfo _srcFormatInfo;
+	AudioFormatInfo _dstFormatInfo;
+
+	AudioConvertStream(const AudioFormatInfo &srcFormatInfo, const AudioFormatInfo &dstFormatInfo) {
+		_srcFormatInfo = srcFormatInfo;
+		_dstFormatInfo = dstFormatInfo;
+	}
+
+public:
+	virtual ~AudioConvertStream() {};
+
+	/**
+	 * Converts the InputBuffer and stores the result in OutputBuffer.
+	 * If the result is not -1, inputSize will be set to the actual number of
+	 * input-buffer bytes used.
+	 * Returns the number of bytes written to the output-buffer or -1 if an error occured.
+	 */
+	virtual int convert(uint8_t *inputBuffer, uint8_t *outputBuffer, int &inputSize) = 0;
+
+	/**
+	 * Destination/Source size ratio
+	 */
+	virtual double getRatio() = 0;
+
+	/**
+	 * Size of an output buffer needed to store the result of a converted buffer with
+	 * an input size of inputSize bytes.
+	 */
+	virtual int getOutputBufferSize(int inputSize) = 0;
+};
+
+#endif /* __cplusplus */
+
+#endif /* _PLUGIN_AUDIO_CONVERT_H_ */