Aegisub/aegisub/src/audio_provider_hd.h
Thomas Goyne 79684d5ad6 Factor out bounds-checking for GetAudio to a single place
It was being done in inconsistent ways in several places, which did not
include all of the places it needed to be done.

Closes #1509.

Originally committed to SVN as r6960.
2012-08-19 14:11:29 -07:00

74 lines
2.7 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
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// 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
#include <iosfwd>
#endif
#include "include/aegisub/audio_provider.h"
#include <libaegisub/scoped_ptr.h>
namespace agi {
class BackgroundRunner;
class ProgressSink;
}
/// DOCME
/// @class HDAudioProvider
/// @brief DOCME
///
/// DOCME
class HDAudioProvider : public AudioProvider {
/// Name of the file which the decoded audio is written to
wxString diskCacheFilename;
/// Audio provider which reads from the decoded cache
agi::scoped_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;
public:
HDAudioProvider(AudioProvider *source, agi::BackgroundRunner *br);
~HDAudioProvider();
bool AreSamplesNativeEndian() const { return true; }
};