mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-04-20 20:05:33 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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** Copyright (C) 2007-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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** Copyright (c) 2007 <robs@users.sourceforge.net>
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**
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** This library is free software; you can redistribute it and/or modify it
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** under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or (at
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** your option) any later version.
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**
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** This library is distributed in the hope that it will be useful, but
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** WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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** General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this library. If not, write to the Free Software Foundation,
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** Fifth Floor, 51 Franklin Street, Boston, MA 02111-1301, USA.
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*/
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/* ADPCM: IMA, OKI <==> 16-bit PCM. */
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#define IMA_OKI_ADPCM_CODE_LEN 256
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#define IMA_OKI_ADPCM_PCM_LEN (IMA_OKI_ADPCM_CODE_LEN *2)
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typedef struct
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{
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/* private: */
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int mask ;
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int last_output ;
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int step_index ;
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int max_step_index ;
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int const * steps ;
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/* public: */
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int errors ;
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int code_count, pcm_count ;
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unsigned char codes [IMA_OKI_ADPCM_CODE_LEN] ;
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short pcm [IMA_OKI_ADPCM_PCM_LEN] ;
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} IMA_OKI_ADPCM ;
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typedef enum
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{ IMA_OKI_ADPCM_TYPE_IMA,
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IMA_OKI_ADPCM_TYPE_OKI
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} IMA_OKI_ADPCM_TYPE ;
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void ima_oki_adpcm_init (IMA_OKI_ADPCM * state, IMA_OKI_ADPCM_TYPE type) ;
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int adpcm_decode (IMA_OKI_ADPCM * state, int /* 0..15 */ code) ;
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int adpcm_encode (IMA_OKI_ADPCM * state, int /* -32768..32767 */ sample) ;
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void ima_oki_adpcm_decode_block (IMA_OKI_ADPCM * state) ;
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void ima_oki_adpcm_encode_block (IMA_OKI_ADPCM * state) ;
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