upload android base code part4
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android/hardware/realtek/bluetooth/libbt-vendor/codec/msbc/sbc.c
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android/hardware/realtek/bluetooth/libbt-vendor/codec/msbc/sbc.c
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/*
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*
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* Bluetooth low-complexity, subband codec (SBC) library
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*
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* Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
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* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
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* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __SBC_H
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#define __SBC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct sbc_struct {
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unsigned long flags;
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unsigned short rate;
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unsigned char channels;
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unsigned char joint;
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unsigned char blocks;
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unsigned char subbands;
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unsigned char bitpool;
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void *data;
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int size;
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int len;
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unsigned long duration;
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void *priv;
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};
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typedef struct sbc_struct sbc_t;
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int sbc_init(sbc_t *sbc, unsigned long flags);
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int sbc_reinit(sbc_t *sbc, unsigned long flags);
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int sbc_encode(sbc_t *sbc,
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void *input,
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int input_len,
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void *output,
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int output_len,
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int *written);
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int sbc_decode(sbc_t *sbc,
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void *input,
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int input_len,
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void *output,
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int output_len,
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int *written);
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void sbc_finish(sbc_t *sbc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SBC_H */
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/*
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*
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* Bluetooth low-complexity, subband codec (SBC) library
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*
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* Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
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* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
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* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#define fabs(x) ((x) < 0 ? -(x) : (x))
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/* C does not provide an explicit arithmetic shift right but this will
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always be correct and every compiler *should* generate optimal code */
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#define ASR(val, bits) ((-2 >> 1 == -1) ? \
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((int32_t)(val)) >> (bits) : ((int32_t) (val)) / (1 << (bits)))
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#define ASR_64(val, bits) ((-2 >> 1 == -1) ? \
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((long long)(val)) >> (bits) : ((long long) (val)) / (1 << (bits)))
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#define SCALE_PROTO4_TBL 15
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#define SCALE_ANA4_TBL 16
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#define SCALE_PROTO8_TBL 15
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#define SCALE_ANA8_TBL 16
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#define SCALE_SPROTO4_TBL 16
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#define SCALE_SPROTO8_TBL 16
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#define SCALE_NPROTO4_TBL 10
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#define SCALE_NPROTO8_TBL 12
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#define SCALE_SAMPLES 14
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#define SCALE4_STAGE1_BITS 10
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#define SCALE4_STAGE2_BITS 21
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#define SCALE4_STAGED1_BITS 18
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#define SCALE4_STAGED2_BITS 23
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#define SCALE8_STAGE1_BITS 8
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#define SCALE8_STAGE2_BITS 24
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#define SCALE8_STAGED1_BITS 18
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#define SCALE8_STAGED2_BITS 23
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typedef int int32_t;
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typedef int32_t sbc_fixed_t;
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typedef long long sbc_extended_t;
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#define SCALE4_STAGE1(src) ASR_64(src, SCALE4_STAGE1_BITS)
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#define SCALE4_STAGE2(src) ASR_64(src, SCALE4_STAGE2_BITS)
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#define SCALE4_STAGED1(src) ASR_64(src, SCALE4_STAGED1_BITS)
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#define SCALE4_STAGED2(src) ASR_64(src, SCALE4_STAGED2_BITS)
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#define SCALE8_STAGE1(src) ASR_64(src, SCALE8_STAGE1_BITS)
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#define SCALE8_STAGE2(src) ASR_64(src, SCALE8_STAGE2_BITS)
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#define SCALE8_STAGED1(src) ASR_64(src, SCALE8_STAGED1_BITS)
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#define SCALE8_STAGED2(src) ASR_64(src, SCALE8_STAGED2_BITS)
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#define SBC_FIXED_0(val) { val = 0; }
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#define ADD(dst, src) { dst += src; }
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#define SUB(dst, src) { dst -= src; }
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#define MUL(dst, a, b) { dst = (sbc_extended_t) (a) * (b); }
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#define MULA(dst, a, b) { dst += (sbc_extended_t) (a) * (b); }
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#define DIV2(dst, src) { dst = ASR(src, 1); }
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@ -0,0 +1,169 @@
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/*
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*
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* Bluetooth low-complexity, subband codec (SBC) library
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*
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* Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
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* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
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* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "sbc_math.h"
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/* A2DP specification: Appendix B, page 69 */
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static const int sbc_offset4[4][4] = {
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{ -1, 0, 0, 0 },
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{ -2, 0, 0, 1 },
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{ -2, 0, 0, 1 },
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{ -2, 0, 0, 1 }
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};
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/* A2DP specification: Appendix B, page 69 */
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static const int sbc_offset8[4][8] = {
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{ -2, 0, 0, 0, 0, 0, 0, 1 },
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{ -3, 0, 0, 0, 0, 0, 1, 2 },
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{ -4, 0, 0, 0, 0, 0, 1, 2 },
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{ -4, 0, 0, 0, 0, 0, 1, 2 }
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};
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#define SP4(val) ASR(val, SCALE_PROTO4_TBL)
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#define SA4(val) ASR(val, SCALE_ANA4_TBL)
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#define SP8(val) ASR(val, SCALE_PROTO8_TBL)
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#define SA8(val) ASR(val, SCALE_ANA8_TBL)
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#define SS4(val) ASR(val, SCALE_SPROTO4_TBL)
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#define SS8(val) ASR(val, SCALE_SPROTO8_TBL)
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#define SN4(val) ASR(val, SCALE_NPROTO4_TBL)
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#define SN8(val) ASR(val, SCALE_NPROTO8_TBL)
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static const int32_t _sbc_proto_4[20] = {
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SP4(0x02cb3e8c), SP4(0x22b63dc0), SP4(0x002329cc), SP4(0x053b7548),
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SP4(0x31eab940), SP4(0xec1f5e60), SP4(0xff3773a8), SP4(0x0061c5a7),
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SP4(0x07646680), SP4(0x3f239480), SP4(0xf89f23a8), SP4(0x007a4737),
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SP4(0x00b32807), SP4(0x083ddc80), SP4(0x4825e480), SP4(0x0191e578),
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SP4(0x00ff11ca), SP4(0x00fb7991), SP4(0x069fdc58), SP4(0x4b584000)
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};
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static const int32_t _anamatrix4[4] = {
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SA4(0x2d413cc0), SA4(0x3b20d780), SA4(0x40000000), SA4(0x187de2a0)
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};
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static const int32_t _sbc_proto_8[40] = {
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SP8(0x02e5cd20), SP8(0x22d0c200), SP8(0x006bfe27), SP8(0x07808930),
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SP8(0x3f1c8800), SP8(0xf8810d70), SP8(0x002cfdc6), SP8(0x055acf28),
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SP8(0x31f566c0), SP8(0xebfe57e0), SP8(0xff27c437), SP8(0x001485cc),
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SP8(0x041c6e58), SP8(0x2a7cfa80), SP8(0xe4c4a240), SP8(0xfe359e4c),
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SP8(0x0048b1f8), SP8(0x0686ce30), SP8(0x38eec5c0), SP8(0xf2a1b9f0),
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SP8(0xffe8904a), SP8(0x0095698a), SP8(0x0824a480), SP8(0x443b3c00),
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SP8(0xfd7badc8), SP8(0x00d3e2d9), SP8(0x00c183d2), SP8(0x084e1950),
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SP8(0x4810d800), SP8(0x017f43fe), SP8(0x01056dd8), SP8(0x00e9cb9f),
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SP8(0x07d7d090), SP8(0x4a708980), SP8(0x0488fae8), SP8(0x0113bd20),
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SP8(0x0107b1a8), SP8(0x069fb3c0), SP8(0x4b3db200), SP8(0x00763f48)
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};
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static const int32_t sbc_proto_4_40m0[] = {
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SS4(0x00000000), SS4(0xffa6982f), SS4(0xfba93848), SS4(0x0456c7b8),
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SS4(0x005967d1), SS4(0xfffb9ac7), SS4(0xff589157), SS4(0xf9c2a8d8),
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SS4(0x027c1434), SS4(0x0019118b), SS4(0xfff3c74c), SS4(0xff137330),
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SS4(0xf81b8d70), SS4(0x00ec1b8b), SS4(0xfff0b71a), SS4(0xffe99b00),
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SS4(0xfef84470), SS4(0xf6fb4370), SS4(0xffcdc351), SS4(0xffe01dc7)
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};
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static const int32_t sbc_proto_4_40m1[] = {
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SS4(0xffe090ce), SS4(0xff2c0475), SS4(0xf694f800), SS4(0xff2c0475),
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SS4(0xffe090ce), SS4(0xffe01dc7), SS4(0xffcdc351), SS4(0xf6fb4370),
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SS4(0xfef84470), SS4(0xffe99b00), SS4(0xfff0b71a), SS4(0x00ec1b8b),
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SS4(0xf81b8d70), SS4(0xff137330), SS4(0xfff3c74c), SS4(0x0019118b),
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SS4(0x027c1434), SS4(0xf9c2a8d8), SS4(0xff589157), SS4(0xfffb9ac7)
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};
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static const int32_t sbc_proto_8_80m0[] = {
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SS8(0x00000000), SS8(0xfe8d1970), SS8(0xee979f00), SS8(0x11686100),
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SS8(0x0172e690), SS8(0xfff5bd1a), SS8(0xfdf1c8d4), SS8(0xeac182c0),
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SS8(0x0d9daee0), SS8(0x00e530da), SS8(0xffe9811d), SS8(0xfd52986c),
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SS8(0xe7054ca0), SS8(0x0a00d410), SS8(0x006c1de4), SS8(0xffdba705),
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SS8(0xfcbc98e8), SS8(0xe3889d20), SS8(0x06af2308), SS8(0x000bb7db),
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SS8(0xffca00ed), SS8(0xfc3fbb68), SS8(0xe071bc00), SS8(0x03bf7948),
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SS8(0xffc4e05c), SS8(0xffb54b3b), SS8(0xfbedadc0), SS8(0xdde26200),
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SS8(0x0142291c), SS8(0xff960e94), SS8(0xff9f3e17), SS8(0xfbd8f358),
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SS8(0xdbf79400), SS8(0xff405e01), SS8(0xff7d4914), SS8(0xff8b1a31),
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SS8(0xfc1417b8), SS8(0xdac7bb40), SS8(0xfdbb828c), SS8(0xff762170)
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};
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static const int32_t sbc_proto_8_80m1[] = {
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SS8(0xff7c272c), SS8(0xfcb02620), SS8(0xda612700), SS8(0xfcb02620),
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SS8(0xff7c272c), SS8(0xff762170), SS8(0xfdbb828c), SS8(0xdac7bb40),
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SS8(0xfc1417b8), SS8(0xff8b1a31), SS8(0xff7d4914), SS8(0xff405e01),
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SS8(0xdbf79400), SS8(0xfbd8f358), SS8(0xff9f3e17), SS8(0xff960e94),
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SS8(0x0142291c), SS8(0xdde26200), SS8(0xfbedadc0), SS8(0xffb54b3b),
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SS8(0xffc4e05c), SS8(0x03bf7948), SS8(0xe071bc00), SS8(0xfc3fbb68),
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SS8(0xffca00ed), SS8(0x000bb7db), SS8(0x06af2308), SS8(0xe3889d20),
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SS8(0xfcbc98e8), SS8(0xffdba705), SS8(0x006c1de4), SS8(0x0a00d410),
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SS8(0xe7054ca0), SS8(0xfd52986c), SS8(0xffe9811d), SS8(0x00e530da),
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SS8(0x0d9daee0), SS8(0xeac182c0), SS8(0xfdf1c8d4), SS8(0xfff5bd1a)
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};
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static const int32_t _anamatrix8[8] = {
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SA8(0x3b20d780), SA8(0x187de2a0), SA8(0x3ec52f80), SA8(0x3536cc40),
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SA8(0x238e7680), SA8(0x0c7c5c20), SA8(0x2d413cc0), SA8(0x40000000)
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};
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static const int32_t synmatrix4[8][4] = {
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{ SN4(0x05a82798), SN4(0xfa57d868), SN4(0xfa57d868), SN4(0x05a82798) },
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{ SN4(0x030fbc54), SN4(0xf89be510), SN4(0x07641af0), SN4(0xfcf043ac) },
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{ SN4(0x00000000), SN4(0x00000000), SN4(0x00000000), SN4(0x00000000) },
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{ SN4(0xfcf043ac), SN4(0x07641af0), SN4(0xf89be510), SN4(0x030fbc54) },
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{ SN4(0xfa57d868), SN4(0x05a82798), SN4(0x05a82798), SN4(0xfa57d868) },
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{ SN4(0xf89be510), SN4(0xfcf043ac), SN4(0x030fbc54), SN4(0x07641af0) },
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{ SN4(0xf8000000), SN4(0xf8000000), SN4(0xf8000000), SN4(0xf8000000) },
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{ SN4(0xf89be510), SN4(0xfcf043ac), SN4(0x030fbc54), SN4(0x07641af0) }
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};
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static const int32_t synmatrix8[16][8] = {
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{ SN8(0x05a82798), SN8(0xfa57d868), SN8(0xfa57d868), SN8(0x05a82798),
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SN8(0x05a82798), SN8(0xfa57d868), SN8(0xfa57d868), SN8(0x05a82798) },
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{ SN8(0x0471ced0), SN8(0xf8275a10), SN8(0x018f8b84), SN8(0x06a6d988),
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SN8(0xf9592678), SN8(0xfe70747c), SN8(0x07d8a5f0), SN8(0xfb8e3130) },
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{ SN8(0x030fbc54), SN8(0xf89be510), SN8(0x07641af0), SN8(0xfcf043ac),
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SN8(0xfcf043ac), SN8(0x07641af0), SN8(0xf89be510), SN8(0x030fbc54) },
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{ SN8(0x018f8b84), SN8(0xfb8e3130), SN8(0x06a6d988), SN8(0xf8275a10),
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SN8(0x07d8a5f0), SN8(0xf9592678), SN8(0x0471ced0), SN8(0xfe70747c) },
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{ SN8(0x00000000), SN8(0x00000000), SN8(0x00000000), SN8(0x00000000),
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SN8(0x00000000), SN8(0x00000000), SN8(0x00000000), SN8(0x00000000) },
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{ SN8(0xfe70747c), SN8(0x0471ced0), SN8(0xf9592678), SN8(0x07d8a5f0),
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SN8(0xf8275a10), SN8(0x06a6d988), SN8(0xfb8e3130), SN8(0x018f8b84) },
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{ SN8(0xfcf043ac), SN8(0x07641af0), SN8(0xf89be510), SN8(0x030fbc54),
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SN8(0x030fbc54), SN8(0xf89be510), SN8(0x07641af0), SN8(0xfcf043ac) },
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{ SN8(0xfb8e3130), SN8(0x07d8a5f0), SN8(0xfe70747c), SN8(0xf9592678),
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SN8(0x06a6d988), SN8(0x018f8b84), SN8(0xf8275a10), SN8(0x0471ced0) },
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{ SN8(0xfa57d868), SN8(0x05a82798), SN8(0x05a82798), SN8(0xfa57d868),
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SN8(0xfa57d868), SN8(0x05a82798), SN8(0x05a82798), SN8(0xfa57d868) },
|
||||
{ SN8(0xf9592678), SN8(0x018f8b84), SN8(0x07d8a5f0), SN8(0x0471ced0),
|
||||
SN8(0xfb8e3130), SN8(0xf8275a10), SN8(0xfe70747c), SN8(0x06a6d988) },
|
||||
{ SN8(0xf89be510), SN8(0xfcf043ac), SN8(0x030fbc54), SN8(0x07641af0),
|
||||
SN8(0x07641af0), SN8(0x030fbc54), SN8(0xfcf043ac), SN8(0xf89be510) },
|
||||
{ SN8(0xf8275a10), SN8(0xf9592678), SN8(0xfb8e3130), SN8(0xfe70747c),
|
||||
SN8(0x018f8b84), SN8(0x0471ced0), SN8(0x06a6d988), SN8(0x07d8a5f0) },
|
||||
{ SN8(0xf8000000), SN8(0xf8000000), SN8(0xf8000000), SN8(0xf8000000),
|
||||
SN8(0xf8000000), SN8(0xf8000000), SN8(0xf8000000), SN8(0xf8000000) },
|
||||
{ SN8(0xf8275a10), SN8(0xf9592678), SN8(0xfb8e3130), SN8(0xfe70747c),
|
||||
SN8(0x018f8b84), SN8(0x0471ced0), SN8(0x06a6d988), SN8(0x07d8a5f0) },
|
||||
{ SN8(0xf89be510), SN8(0xfcf043ac), SN8(0x030fbc54), SN8(0x07641af0),
|
||||
SN8(0x07641af0), SN8(0x030fbc54), SN8(0xfcf043ac), SN8(0xf89be510) },
|
||||
{ SN8(0xf9592678), SN8(0x018f8b84), SN8(0x07d8a5f0), SN8(0x0471ced0),
|
||||
SN8(0xfb8e3130), SN8(0xf8275a10), SN8(0xfe70747c), SN8(0x06a6d988) }
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue