media/libopus/silk/macros.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libopus/silk/macros.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,115 @@
     1.4 +/***********************************************************************
     1.5 +Copyright (c) 2006-2011, Skype Limited. All rights reserved.
     1.6 +Redistribution and use in source and binary forms, with or without
     1.7 +modification, are permitted provided that the following conditions
     1.8 +are met:
     1.9 +- Redistributions of source code must retain the above copyright notice,
    1.10 +this list of conditions and the following disclaimer.
    1.11 +- Redistributions in binary form must reproduce the above copyright
    1.12 +notice, this list of conditions and the following disclaimer in the
    1.13 +documentation and/or other materials provided with the distribution.
    1.14 +- Neither the name of Internet Society, IETF or IETF Trust, nor the
    1.15 +names of specific contributors, may be used to endorse or promote
    1.16 +products derived from this software without specific prior written
    1.17 +permission.
    1.18 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    1.19 +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.20 +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.21 +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    1.22 +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.23 +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.24 +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.25 +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.26 +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.27 +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.28 +POSSIBILITY OF SUCH DAMAGE.
    1.29 +***********************************************************************/
    1.30 +
    1.31 +#ifndef SILK_MACROS_H
    1.32 +#define SILK_MACROS_H
    1.33 +
    1.34 +#ifdef HAVE_CONFIG_H
    1.35 +#include "config.h"
    1.36 +#endif
    1.37 +
    1.38 +#include "opus_types.h"
    1.39 +#include "opus_defines.h"
    1.40 +
    1.41 +/* This is an OPUS_INLINE header file for general platform. */
    1.42 +
    1.43 +/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
    1.44 +#define silk_SMULWB(a32, b32)            ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16))
    1.45 +
    1.46 +/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
    1.47 +#define silk_SMLAWB(a32, b32, c32)       ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
    1.48 +
    1.49 +/* (a32 * (b32 >> 16)) >> 16 */
    1.50 +#define silk_SMULWT(a32, b32)            (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16))
    1.51 +
    1.52 +/* a32 + (b32 * (c32 >> 16)) >> 16 */
    1.53 +#define silk_SMLAWT(a32, b32, c32)       ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
    1.54 +
    1.55 +/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
    1.56 +#define silk_SMULBB(a32, b32)            ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32)))
    1.57 +
    1.58 +/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
    1.59 +#define silk_SMLABB(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
    1.60 +
    1.61 +/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
    1.62 +#define silk_SMULBT(a32, b32)            ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16))
    1.63 +
    1.64 +/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
    1.65 +#define silk_SMLABT(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
    1.66 +
    1.67 +/* a64 + (b32 * c32) */
    1.68 +#define silk_SMLAL(a64, b32, c32)        (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32))))
    1.69 +
    1.70 +/* (a32 * b32) >> 16 */
    1.71 +#define silk_SMULWW(a32, b32)            silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16))
    1.72 +
    1.73 +/* a32 + ((b32 * c32) >> 16) */
    1.74 +#define silk_SMLAWW(a32, b32, c32)       silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16))
    1.75 +
    1.76 +/* add/subtract with output saturated */
    1.77 +#define silk_ADD_SAT32(a, b)             ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ?                              \
    1.78 +                                        ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) :   \
    1.79 +                                        ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) )
    1.80 +
    1.81 +#define silk_SUB_SAT32(a, b)             ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ?                                        \
    1.82 +                                        (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) :    \
    1.83 +                                        ((((a)^0x80000000) & (b)  & 0x80000000) ? silk_int32_MAX : (a)-(b)) )
    1.84 +
    1.85 +#include "ecintrin.h"
    1.86 +
    1.87 +static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
    1.88 +{
    1.89 +    return 32 - EC_ILOG(in16<<16|0x8000);
    1.90 +}
    1.91 +
    1.92 +static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32)
    1.93 +{
    1.94 +    return in32 ? 32 - EC_ILOG(in32) : 32;
    1.95 +}
    1.96 +
    1.97 +/* Row based */
    1.98 +#define matrix_ptr(Matrix_base_adr, row, column, N) \
    1.99 +    (*((Matrix_base_adr) + ((row)*(N)+(column))))
   1.100 +#define matrix_adr(Matrix_base_adr, row, column, N) \
   1.101 +      ((Matrix_base_adr) + ((row)*(N)+(column)))
   1.102 +
   1.103 +/* Column based */
   1.104 +#ifndef matrix_c_ptr
   1.105 +#   define matrix_c_ptr(Matrix_base_adr, row, column, M) \
   1.106 +    (*((Matrix_base_adr) + ((row)+(M)*(column))))
   1.107 +#endif
   1.108 +
   1.109 +#ifdef OPUS_ARM_INLINE_ASM
   1.110 +#include "arm/macros_armv4.h"
   1.111 +#endif
   1.112 +
   1.113 +#ifdef OPUS_ARM_INLINE_EDSP
   1.114 +#include "arm/macros_armv5e.h"
   1.115 +#endif
   1.116 +
   1.117 +#endif /* SILK_MACROS_H */
   1.118 +

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