shithub: opus

--- a/celt/arch.h

+++ b/celt/arch.h

@@ -127,7 +127,9 @@

 #include "fixed_generic.h"

-#ifdef OPUS_ARM_INLINE_EDSP

+#ifdef OPUS_ARM_PRESUME_AARCH64_NEON_INTR

+#include "arm/fixed_arm64.h"

+#elif OPUS_ARM_INLINE_EDSP

 #include "arm/fixed_armv5e.h"

 #elif defined (OPUS_ARM_INLINE_ASM)

 #include "arm/fixed_armv4.h"

--- /dev/null

+++ b/celt/arm/fixed_arm64.h

@@ -1,0 +1,35 @@

+/* Copyright (C) 2015 Vidyo */

+/*

+   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.

+   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 FIXED_ARM64_H

+#define FIXED_ARM64_H

+#include <arm_neon.h>

+#undef SIG2WORD16

+#define SIG2WORD16(x) (vqmovns_s32(PSHR32((x), SIG_SHIFT)))

+#endif

--- a/celt_headers.mk

+++ b/celt_headers.mk

@@ -36,6 +36,7 @@

 celt/arm/armcpu.h \

 celt/arm/fixed_armv4.h \

 celt/arm/fixed_armv5e.h \

+celt/arm/fixed_arm64.h \

 celt/arm/kiss_fft_armv4.h \

 celt/arm/kiss_fft_armv5e.h \

 celt/arm/pitch_arm.h \