Aegisub/aegisub/src/audio_provider_lock.h

// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

/// @file audio_provider_lock.h
/// @brief An audio provider adapter for un-threadsafe audio providers
/// @ingroup audio_input

#include "include/aegisub/audio_provider.h"

#include <libaegisub/scoped_ptr.h>

#include <wx/thread.h>

class LockAudioProvider : public AudioProvider {
	agi::scoped_ptr<const AudioProvider> source;
	mutable wxMutex mutex;

	void FillBuffer(void *buf, int64_t start, int64_t count) const;
public:
	LockAudioProvider(AudioProvider *source);
	bool AreSamplesNativeEndian() const { return source->AreSamplesNativeEndian(); }
};