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cdf2a17c5a
Since this gets used by both the sound backend and the music code it needs to be in a place accessible to both.
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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** sounddecoder.cpp
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** baseclass for sound format decoders
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**
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**---------------------------------------------------------------------------
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** Copyright 2008-2019 Chris Robinson
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "zmusic/sndfile_decoder.h"
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#include "zmusic/mpg123_decoder.h"
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SoundDecoder *SoundDecoder::CreateDecoder(MusicIO::FileInterface *reader)
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{
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SoundDecoder *decoder = NULL;
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auto pos = reader->tell();
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#ifdef HAVE_SNDFILE
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decoder = new SndFileDecoder;
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if (decoder->open(reader))
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return decoder;
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reader->seek(pos, SEEK_SET);
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delete decoder;
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decoder = NULL;
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#endif
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#ifdef HAVE_MPG123
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decoder = new MPG123Decoder;
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if (decoder->open(reader))
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return decoder;
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reader->seek(pos, SEEK_SET);
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delete decoder;
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decoder = NULL;
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#endif
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return decoder;
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}
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// Default readAll implementation, for decoders that can't do anything better
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std::vector<uint8_t> SoundDecoder::readAll()
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{
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std::vector<uint8_t> output;
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unsigned total = 0;
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unsigned got;
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output.resize(total+32768);
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while((got=(unsigned)read((char*)&output[total], output.size()-total)) > 0)
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{
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total += got;
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output.resize(total*2);
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}
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output.resize(total);
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return output;
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}
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