// Copyright (c) 2007-2008, Niels Martin Hansen
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

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

#include "include/aegisub/audio_provider.h"

#ifndef AGI_PRE
#include <tr1/memory>
#endif

/// DOCME
/// @class DownmixingAudioProvider
/// @brief DOCME
///
/// DOCME
class DownmixingAudioProvider : public AudioProvider {
	std::tr1::shared_ptr<AudioProvider> provider;

	/// DOCME
	int src_channels;
public:
	DownmixingAudioProvider(AudioProvider *source);

	/// @brief Downmixing requires samples to be native endian beforehand
	///
	bool AreSamplesNativeEndian() const { return true; }

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