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https://github.com/coop-deluxe/sm64coopdx.git
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81 lines
2 KiB
C
81 lines
2 KiB
C
/*
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* Copyright (c) 2011 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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/*
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File: aglib.h
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Copyright: (C) 2001-2011 Apple, Inc.
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*/
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#ifndef AGLIB_H
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#define AGLIB_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define QBSHIFT 9
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#define QB (1<<QBSHIFT)
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#define PB0 40
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#define MB0 10
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#define KB0 14
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#define MAX_RUN_DEFAULT 255
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#define MMULSHIFT 2
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#define MDENSHIFT (QBSHIFT - MMULSHIFT - 1)
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#define MOFF ((1<<(MDENSHIFT-2)))
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#define BITOFF 24
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/* Max. prefix of 1's. */
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#define MAX_PREFIX_16 9
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#define MAX_PREFIX_TOLONG_16 15
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#define MAX_PREFIX_32 9
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/* Max. bits in 16-bit data type */
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#define MAX_DATATYPE_BITS_16 16
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typedef struct AGParamRec
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{
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uint32_t mb, mb0, pb, kb, wb, qb;
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uint32_t fw, sw;
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uint32_t maxrun;
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// fw = 1, sw = 1;
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} AGParamRec, *AGParamRecPtr;
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struct BitBuffer;
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void set_standard_ag_params(AGParamRecPtr params, uint32_t fullwidth, uint32_t sectorwidth);
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void set_ag_params(AGParamRecPtr params, uint32_t m, uint32_t p, uint32_t k, uint32_t f, uint32_t s, uint32_t maxrun);
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int32_t dyn_comp(AGParamRecPtr params, int32_t * pc, struct BitBuffer * bitstream, int32_t numSamples, int32_t bitSize, uint32_t * outNumBits);
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int32_t dyn_decomp(AGParamRecPtr params, struct BitBuffer * bitstream, int32_t * pc, int32_t numSamples, int32_t maxSize, uint32_t * outNumBits);
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#ifdef __cplusplus
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}
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#endif
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#endif //#ifndef AGLIB_H
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