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/* 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_ */
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