// Copyright (c) 2006, Rodrigo Braz Monteiro
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
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/// @file audio_provider_hd.h
/// @see audio_provider_hd.cpp
/// @ingroup audio_input
///

#include "include/aegisub/audio_provider.h"

namespace agi {
	class BackgroundRunner;
	class ProgressSink;
}

class HDAudioProvider final : public AudioProviderWrapper {
	/// Name of the file which the decoded audio is written to
	agi::fs::path diskCacheFilename;
	/// Audio provider which reads from the decoded cache
	std::unique_ptr<AudioProvider> cache_provider;

	/// Fill the cache with all of the data from the source audio provider
	/// @param src Audio data to cache
	/// @param file File to write to
	/// @param ps Sink for progress reporting
	void FillCache(AudioProvider *src, std::ofstream *file, agi::ProgressSink *ps);

	void FillBuffer(void *buf, int64_t start, int64_t count) const override;

public:
	HDAudioProvider(std::unique_ptr<AudioProvider> source, agi::BackgroundRunner *br);
	~HDAudioProvider();
};