media/libopus/silk/macros.h@b8a032363ba2 (annotated)
media/libopus/silk/macros.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /*********************************************************************** |
| michael@0 | 2 | Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
| michael@0 | 3 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 4 | modification, are permitted provided that the following conditions |
| michael@0 | 5 | are met: |
| michael@0 | 6 | - Redistributions of source code must retain the above copyright notice, |
| michael@0 | 7 | this list of conditions and the following disclaimer. |
| michael@0 | 8 | - Redistributions in binary form must reproduce the above copyright |
| michael@0 | 9 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 10 | documentation and/or other materials provided with the distribution. |
| michael@0 | 11 | - Neither the name of Internet Society, IETF or IETF Trust, nor the |
| michael@0 | 12 | names of specific contributors, may be used to endorse or promote |
| michael@0 | 13 | products derived from this software without specific prior written |
| michael@0 | 14 | permission. |
| michael@0 | 15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| michael@0 | 16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| michael@0 | 17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| michael@0 | 18 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| michael@0 | 19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| michael@0 | 20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| michael@0 | 21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| michael@0 | 22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| michael@0 | 23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| michael@0 | 24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| michael@0 | 25 | POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 26 | ***********************************************************************/ |
| michael@0 | 27 | |
| michael@0 | 28 | #ifndef SILK_MACROS_H |
| michael@0 | 29 | #define SILK_MACROS_H |
| michael@0 | 30 | |
| michael@0 | 31 | #ifdef HAVE_CONFIG_H |
| michael@0 | 32 | #include "config.h" |
| michael@0 | 33 | #endif |
| michael@0 | 34 | |
| michael@0 | 35 | #include "opus_types.h" |
| michael@0 | 36 | #include "opus_defines.h" |
| michael@0 | 37 | |
| michael@0 | 38 | /* This is an OPUS_INLINE header file for general platform. */ |
| michael@0 | 39 | |
| michael@0 | 40 | /* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */ |
| michael@0 | 41 | #define silk_SMULWB(a32, b32) ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16)) |
| michael@0 | 42 | |
| michael@0 | 43 | /* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */ |
| michael@0 | 44 | #define silk_SMLAWB(a32, b32, c32) ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16))) |
| michael@0 | 45 | |
| michael@0 | 46 | /* (a32 * (b32 >> 16)) >> 16 */ |
| michael@0 | 47 | #define silk_SMULWT(a32, b32) (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16)) |
| michael@0 | 48 | |
| michael@0 | 49 | /* a32 + (b32 * (c32 >> 16)) >> 16 */ |
| michael@0 | 50 | #define silk_SMLAWT(a32, b32, c32) ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16)) |
| michael@0 | 51 | |
| michael@0 | 52 | /* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */ |
| michael@0 | 53 | #define silk_SMULBB(a32, b32) ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32))) |
| michael@0 | 54 | |
| michael@0 | 55 | /* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */ |
| michael@0 | 56 | #define silk_SMLABB(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32))) |
| michael@0 | 57 | |
| michael@0 | 58 | /* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */ |
| michael@0 | 59 | #define silk_SMULBT(a32, b32) ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16)) |
| michael@0 | 60 | |
| michael@0 | 61 | /* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */ |
| michael@0 | 62 | #define silk_SMLABT(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16)) |
| michael@0 | 63 | |
| michael@0 | 64 | /* a64 + (b32 * c32) */ |
| michael@0 | 65 | #define silk_SMLAL(a64, b32, c32) (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32)))) |
| michael@0 | 66 | |
| michael@0 | 67 | /* (a32 * b32) >> 16 */ |
| michael@0 | 68 | #define silk_SMULWW(a32, b32) silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16)) |
| michael@0 | 69 | |
| michael@0 | 70 | /* a32 + ((b32 * c32) >> 16) */ |
| michael@0 | 71 | #define silk_SMLAWW(a32, b32, c32) silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16)) |
| michael@0 | 72 | |
| michael@0 | 73 | /* add/subtract with output saturated */ |
| michael@0 | 74 | #define silk_ADD_SAT32(a, b) ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ? \ |
| michael@0 | 75 | ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) : \ |
| michael@0 | 76 | ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) ) |
| michael@0 | 77 | |
| michael@0 | 78 | #define silk_SUB_SAT32(a, b) ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ? \ |
| michael@0 | 79 | (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) : \ |
| michael@0 | 80 | ((((a)^0x80000000) & (b) & 0x80000000) ? silk_int32_MAX : (a)-(b)) ) |
| michael@0 | 81 | |
| michael@0 | 82 | #include "ecintrin.h" |
| michael@0 | 83 | |
| michael@0 | 84 | static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16) |
| michael@0 | 85 | { |
| michael@0 | 86 | return 32 - EC_ILOG(in16<<16|0x8000); |
| michael@0 | 87 | } |
| michael@0 | 88 | |
| michael@0 | 89 | static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32) |
| michael@0 | 90 | { |
| michael@0 | 91 | return in32 ? 32 - EC_ILOG(in32) : 32; |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | /* Row based */ |
| michael@0 | 95 | #define matrix_ptr(Matrix_base_adr, row, column, N) \ |
| michael@0 | 96 | (*((Matrix_base_adr) + ((row)*(N)+(column)))) |
| michael@0 | 97 | #define matrix_adr(Matrix_base_adr, row, column, N) \ |
| michael@0 | 98 | ((Matrix_base_adr) + ((row)*(N)+(column))) |
| michael@0 | 99 | |
| michael@0 | 100 | /* Column based */ |
| michael@0 | 101 | #ifndef matrix_c_ptr |
| michael@0 | 102 | # define matrix_c_ptr(Matrix_base_adr, row, column, M) \ |
| michael@0 | 103 | (*((Matrix_base_adr) + ((row)+(M)*(column)))) |
| michael@0 | 104 | #endif |
| michael@0 | 105 | |
| michael@0 | 106 | #ifdef OPUS_ARM_INLINE_ASM |
| michael@0 | 107 | #include "arm/macros_armv4.h" |
| michael@0 | 108 | #endif |
| michael@0 | 109 | |
| michael@0 | 110 | #ifdef OPUS_ARM_INLINE_EDSP |
| michael@0 | 111 | #include "arm/macros_armv5e.h" |
| michael@0 | 112 | #endif |
| michael@0 | 113 | |
| michael@0 | 114 | #endif /* SILK_MACROS_H */ |
| michael@0 | 115 |
