Aegisub/aegisub/src/audio_provider_convert.h

// Copyright (c) 2008, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file audio_provider_convert.h
/// @see audio_provider_convert.cpp
/// @ingroup audio_input
///


///////////
// Headers
#include "include/aegisub/audio_provider.h"


/// DOCME
/// @class ConvertAudioProvider
/// @brief DOCME
///
/// DOCME
class ConvertAudioProvider : public AudioProvider {
private:

	/// DOCME
	int sampleMult;


	/// DOCME
	AudioProvider *source;
	void Make16Bit(const char *src, short *dst, int64_t count);
	template<class SampleConverter>
	void ChangeSampleRate(const short *src, short *dst, int64_t count, const SampleConverter &converter);

public:
	ConvertAudioProvider(AudioProvider *source);
	~ConvertAudioProvider();


	/// @brief // That's one of the points of it! // By its nature, the ConvertAudioProvider always delivers machine endian:
	/// @return 
	///
	bool AreSamplesNativeEndian() { return true; }

	void GetAudio(void *buf, int64_t start, int64_t count);

	/// @brief DOCME
	///
	wxString GetFilename() { return source->GetFilename(); }
};

AudioProvider *CreateConvertAudioProvider(AudioProvider *source_provider);