forked from mia/Aegisub
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
|
// Copyright (c) 2008, 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_convert.h
|
||
|
/// @see audio_provider_convert.cpp
|
||
|
/// @ingroup audio_input
|
||
|
///
|
||
|
|
||
|
#include "include/aegisub/audio_provider.h"
|
||
|
|
||
|
#ifndef AGI_PRE
|
||
|
#include <tr1/memory>
|
||
|
#endif
|
||
|
|
||
|
/// DOCME
|
||
|
/// @class ConvertAudioProvider
|
||
|
/// @brief DOCME
|
||
|
///
|
||
|
/// DOCME
|
||
|
class ConvertAudioProvider : public AudioProvider {
|
||
|
/// DOCME
|
||
|
int sampleMult;
|
||
|
|
||
|
/// DOCME
|
||
|
std::tr1::shared_ptr<AudioProvider> source;
|
||
|
void Make16Bit(const char *src, short *dst, int64_t count) const;
|
||
|
template<class SampleConverter>
|
||
|
void ChangeSampleRate(const short *src, short *dst, int64_t count, const SampleConverter &converter) const;
|
||
|
|
||
|
public:
|
||
|
ConvertAudioProvider(AudioProvider *source);
|
||
|
|
||
|
/// By its nature, the ConvertAudioProvider always delivers machine endian.
|
||
|
/// That's one of the points of it!
|
||
|
bool AreSamplesNativeEndian() const { return true; }
|
||
|
|
||
|
void GetAudio(void *buf, int64_t start, int64_t count) const;
|
||
|
|
||
|
wxString GetFilename() const { return source->GetFilename(); }
|
||
|
};
|
||
|
|
||
|
AudioProvider *CreateConvertAudioProvider(AudioProvider *source_provider);
|