Create local copy of Opus v1.1.2

webrtc/modules/audio_coding/codecs/opus/opus/src/silk/macros.h

Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/macros.h
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/macros.h b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/macros.h
new file mode 100644
index 0000000000000000000000000000000000000000..bc303034664cf8a45adadc93fdb65c82c4465639
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+++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/macros.h
@@ -0,0 +1,153 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SILK_MACROS_H
+#define SILK_MACROS_H
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "opus_types.h"
+#include "opus_defines.h"
+
+#if OPUS_GNUC_PREREQ(3, 0)
+#define opus_likely(x)       (__builtin_expect(!!(x), 1))
+#define opus_unlikely(x)     (__builtin_expect(!!(x), 0))
+#else
+#define opus_likely(x)       (!!(x))
+#define opus_unlikely(x)     (!!(x))
+#endif
+
+/* Set this if opus_int64 is a native type of the CPU. */
+#define OPUS_FAST_INT64 (defined(__x86_64__) || defined(__LP64__) || defined(_WIN64))
+
+/* This is an OPUS_INLINE header file for general platform. */
+
+/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
+#if OPUS_FAST_INT64
+#define silk_SMULWB(a32, b32)            (((a32) * (opus_int64)((opus_int16)(b32))) >> 16)
+#else
+#define silk_SMULWB(a32, b32)            ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16))
+#endif
+
+/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
+#if OPUS_FAST_INT64
+#define silk_SMLAWB(a32, b32, c32)       ((a32) + (((b32) * (opus_int64)((opus_int16)(c32))) >> 16))
+#else
+#define silk_SMLAWB(a32, b32, c32)       ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
+#endif
+
+/* (a32 * (b32 >> 16)) >> 16 */
+#define silk_SMULWT(a32, b32)            (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16))
+
+/* a32 + (b32 * (c32 >> 16)) >> 16 */
+#if OPUS_FAST_INT64
+#define silk_SMLAWT(a32, b32, c32)       ((a32) + (((b32) * ((opus_int64)(c32) >> 16)) >> 16))
+#else
+#define silk_SMLAWT(a32, b32, c32)       ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
+#endif
+
+/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
+#define silk_SMULBB(a32, b32)            ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32)))
+
+/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
+#define silk_SMLABB(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
+
+/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
+#define silk_SMULBT(a32, b32)            ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16))
+
+/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
+#define silk_SMLABT(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
+
+/* a64 + (b32 * c32) */
+#define silk_SMLAL(a64, b32, c32)        (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32))))
+
+/* (a32 * b32) >> 16 */
+#if OPUS_FAST_INT64
+#define silk_SMULWW(a32, b32)            (((opus_int64)(a32) * (b32)) >> 16)
+#else
+#define silk_SMULWW(a32, b32)            silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16))
+#endif
+
+/* a32 + ((b32 * c32) >> 16) */
+#if OPUS_FAST_INT64
+#define silk_SMLAWW(a32, b32, c32)       ((a32) + (((opus_int64)(b32) * (c32)) >> 16))
+#else
+#define silk_SMLAWW(a32, b32, c32)       silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16))
+#endif
+
+/* add/subtract with output saturated */
+#define silk_ADD_SAT32(a, b)             ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ?                              \
+                                        ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) :   \
+                                        ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) )
+
+#define silk_SUB_SAT32(a, b)             ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ?                                        \
+                                        (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) :    \
+                                        ((((a)^0x80000000) & (b)  & 0x80000000) ? silk_int32_MAX : (a)-(b)) )
+
+#if defined(MIPSr1_ASM)
+#include "mips/macros_mipsr1.h"
+#endif
+
+#include "ecintrin.h"
+#ifndef OVERRIDE_silk_CLZ16
+static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
+{
+    return 32 - EC_ILOG(in16<<16|0x8000);
+}
+#endif
+
+#ifndef OVERRIDE_silk_CLZ32
+static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32)
+{
+    return in32 ? 32 - EC_ILOG(in32) : 32;
+}
+#endif
+
+/* Row based */
+#define matrix_ptr(Matrix_base_adr, row, column, N) \
+    (*((Matrix_base_adr) + ((row)*(N)+(column))))
+#define matrix_adr(Matrix_base_adr, row, column, N) \
+      ((Matrix_base_adr) + ((row)*(N)+(column)))
+
+/* Column based */
+#ifndef matrix_c_ptr
+#   define matrix_c_ptr(Matrix_base_adr, row, column, M) \
+    (*((Matrix_base_adr) + ((row)+(M)*(column))))
+#endif
+
+#ifdef OPUS_ARM_INLINE_ASM
+#include "arm/macros_armv4.h"
+#endif
+
+#ifdef OPUS_ARM_INLINE_EDSP
+#include "arm/macros_armv5e.h"
+#endif
+
+#endif /* SILK_MACROS_H */
+