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This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
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31
third_party/aom/aom_dsp/x86/txfm_common_intrin.h vendored Normal file
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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef _AOM_DSP_X86_TXFM_COMMON_INTRIN_H_
#define _AOM_DSP_X86_TXFM_COMMON_INTRIN_H_
// Note:
// This header file should be put below any x86 intrinsics head file
static INLINE void storeu_output(const __m128i *poutput, tran_low_t *dst_ptr) {
#if CONFIG_HIGHBITDEPTH
const __m128i zero = _mm_setzero_si128();
const __m128i sign_bits = _mm_cmplt_epi16(*poutput, zero);
__m128i out0 = _mm_unpacklo_epi16(*poutput, sign_bits);
__m128i out1 = _mm_unpackhi_epi16(*poutput, sign_bits);
_mm_storeu_si128((__m128i *)(dst_ptr), out0);
_mm_storeu_si128((__m128i *)(dst_ptr + 4), out1);
#else
_mm_storeu_si128((__m128i *)(dst_ptr), *poutput);
#endif // CONFIG_HIGHBITDEPTH
}
#endif // _AOM_DSP_X86_TXFM_COMMON_INTRIN_H_