Aegisub/aegisub/libmedia/cache/audio_hd.h

79 lines
2.4 KiB
C++

// Copyright (c) 2006, 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"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file audio_provider_hd.h
/// @see audio_provider_hd.cpp
/// @ingroup audio_input
///
#ifndef AGI_PRE
#endif
#include <libaegisub/mutex.h>
#include "libmedia/audio.h"
namespace media {
/// DOCME
/// @class HDAudioProvider
/// @brief DOCME
///
/// DOCME
class HDAudioProvider : public AudioProvider {
/// DOCME
mutable agi::Mutex diskmutex;
/// DOCME
mutable std::fstream file_cache;
/// DOCME
std::string diskCacheFilename;
/// DOCME
bool samples_native_endian;
/// DOCME
char *data;
static std::string DiskCachePath();
static std::string DiskCacheName();
public:
HDAudioProvider(AudioProvider *source, agi::ProgressSinkFactory *progress_factory);
~HDAudioProvider();
bool AreSamplesNativeEndian() const { return samples_native_endian; }
void GetAudio(void *buf, int64_t start, int64_t count) const;
};
} // namespace media