e10c95dc83
Borrow transition functions from fdct.h nee vpx_quantize_b_sse2 BUG=webm:1304 Change-Id: I9c88c3eec3ff8bb461411d98c26c3c236ea28ef1
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VPX_DSP_X86_FDCT_H_
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#define VPX_DSP_X86_FDCT_H_
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#include <xmmintrin.h>
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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// Load 8 16 bit values. If the source is 32 bits then cast down.
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// This does not saturate values. It only truncates.
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static INLINE __m128i load_tran_low(const tran_low_t *a) {
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#if CONFIG_VP9_HIGHBITDEPTH
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return _mm_setr_epi16((int16_t)a[0], (int16_t)a[1], (int16_t)a[2],
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(int16_t)a[3], (int16_t)a[4], (int16_t)a[5],
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(int16_t)a[6], (int16_t)a[7]);
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#else
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return _mm_load_si128((const __m128i *)a);
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#endif
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}
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// Store 8 16 bit values. If the destination is 32 bits then sign extend the
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// values by multiplying by 1.
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static INLINE void store_tran_low(__m128i a, tran_low_t *b) {
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#if CONFIG_VP9_HIGHBITDEPTH
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const __m128i one = _mm_set1_epi16(1);
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const __m128i a_hi = _mm_mulhi_epi16(a, one);
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const __m128i a_lo = _mm_mullo_epi16(a, one);
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const __m128i a_1 = _mm_unpacklo_epi16(a_lo, a_hi);
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const __m128i a_2 = _mm_unpackhi_epi16(a_lo, a_hi);
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_mm_store_si128((__m128i *)(b), a_1);
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_mm_store_si128((__m128i *)(b + 4), a_2);
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#else
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_mm_store_si128((__m128i *)(b), a);
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#endif
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}
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// Zero fill 8 positions in the output buffer.
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static INLINE void store_zero_tran_low(tran_low_t *a) {
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const __m128i zero = _mm_setzero_si128();
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#if CONFIG_VP9_HIGHBITDEPTH
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_mm_store_si128((__m128i *)(a), zero);
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_mm_store_si128((__m128i *)(a + 4), zero);
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#else
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_mm_store_si128((__m128i *)(a), zero);
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#endif
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}
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#endif // VPX_DSP_X86_FDCT_H_
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