Aegisub/aegisub/src/audio_provider_hd.h
2013-11-23 09:57:22 -08:00

59 lines
2.5 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/
/// @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 : 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();
};