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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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261 lines
7.7 KiB
C
261 lines
7.7 KiB
C
/* GStreamer
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* Copyright (C) <2015> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#if defined (HAVE_XMMINTRIN_H) && defined(__SSE__)
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#include <xmmintrin.h>
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static inline void
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inner_product_gfloat_1_sse (gfloat * o, const gfloat * a, const gfloat * b, gint len)
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{
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gint i = 0;
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__m128 sum = _mm_setzero_ps ();
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for (; i < len; i += 8) {
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 0),
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_mm_load_ps (b + i + 0)));
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 4),
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_mm_load_ps (b + i + 4)));
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}
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sum = _mm_add_ps (sum, _mm_movehl_ps (sum, sum));
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sum = _mm_add_ss (sum, _mm_shuffle_ps (sum, sum, 0x55));
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_mm_store_ss (o, sum);
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}
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static inline void
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inner_product_gfloat_2_sse (gfloat * o, const gfloat * a, const gfloat * b, gint len)
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{
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gint i = 0;
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__m128 sum = _mm_setzero_ps (), t;
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for (; i < len; i += 8) {
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t = _mm_load_ps (b + i);
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + 2 * i + 0),
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_mm_unpacklo_ps (t, t)));
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + 2 * i + 4),
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_mm_unpackhi_ps (t, t)));
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t = _mm_load_ps (b + i + 4);
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + 2 * i + 8),
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_mm_unpacklo_ps (t, t)));
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + 2 * i + 12),
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_mm_unpackhi_ps (t, t)));
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}
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sum = _mm_add_ps (sum, _mm_movehl_ps (sum, sum));
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*(gint64*)o = _mm_cvtsi128_si64 ((__m128i)sum);
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}
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MAKE_RESAMPLE_FUNC (gfloat, 1, sse);
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MAKE_RESAMPLE_FUNC (gfloat, 2, sse);
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#endif
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#if defined (HAVE_EMMINTRIN_H) && defined(__SSE2__)
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#include <emmintrin.h>
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static inline void
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inner_product_gint16_1_sse2 (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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{
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gint i = 0;
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__m128i sum, ta, tb;
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sum = _mm_setzero_si128 ();
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for (; i < len; i += 8) {
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ta = _mm_loadu_si128 ((__m128i *) (a + i));
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tb = _mm_load_si128 ((__m128i *) (b + i));
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sum = _mm_add_epi32 (sum, _mm_madd_epi16 (ta, tb));
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}
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sum =
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_mm_add_epi32 (sum, _mm_shuffle_epi32 (sum, _MM_SHUFFLE (2, 3, 2,
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3)));
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sum =
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_mm_add_epi32 (sum, _mm_shuffle_epi32 (sum, _MM_SHUFFLE (1, 1, 1,
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1)));
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sum = _mm_add_epi32 (sum, _mm_set1_epi32 (1 << (PRECISION_S16 - 1)));
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sum = _mm_srai_epi32 (sum, PRECISION_S16);
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sum = _mm_packs_epi32 (sum, sum);
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*o = _mm_extract_epi16 (sum, 0);
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}
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static inline void
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inner_product_gdouble_1_sse2 (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i = 0;
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__m128d sum = _mm_setzero_pd ();
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for (; i < len; i += 8) {
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 0),
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_mm_load_pd (b + i + 0)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 2),
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_mm_load_pd (b + i + 2)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 4),
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_mm_load_pd (b + i + 4)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 6),
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_mm_load_pd (b + i + 6)));
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}
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sum = _mm_add_sd (sum, _mm_unpackhi_pd (sum, sum));
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_mm_store_sd (o, sum);
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}
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static inline void
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inner_product_gint16_2_sse2 (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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{
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gint i = 0;
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__m128i sum, ta, tb, t1;
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sum = _mm_setzero_si128 ();
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for (; i < len; i += 8) {
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tb = _mm_load_si128 ((__m128i *) (b + i));
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t1 = _mm_unpacklo_epi16 (tb, tb);
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ta = _mm_loadu_si128 ((__m128i *) (a + 2 * i));
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sum = _mm_add_epi32 (sum, _mm_madd_epi16 (ta, t1));
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t1 = _mm_unpackhi_epi16 (tb, tb);
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ta = _mm_loadu_si128 ((__m128i *) (a + 2 * i + 8));
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sum = _mm_add_epi32 (sum, _mm_madd_epi16 (ta, t1));
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}
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sum =
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_mm_add_epi32 (sum, _mm_shuffle_epi32 (sum, _MM_SHUFFLE (2, 3, 2,
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3)));
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sum = _mm_add_epi32 (sum, _mm_set1_epi32 (1 << (PRECISION_S16 - 1)));
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sum = _mm_srai_epi32 (sum, PRECISION_S16);
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sum = _mm_packs_epi32 (sum, sum);
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*(gint32*)o = _mm_cvtsi128_si32 (sum);
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}
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static inline void
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inner_product_gdouble_2_sse2 (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i = 0;
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__m128d sum = _mm_setzero_pd (), t;
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for (; i < len; i += 4) {
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t = _mm_load_pd (b + i);
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i),
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_mm_unpacklo_pd (t, t)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 2),
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_mm_unpackhi_pd (t, t)));
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t = _mm_load_pd (b + i + 2);
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 4),
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_mm_unpacklo_pd (t, t)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 6),
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_mm_unpackhi_pd (t, t)));
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}
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_mm_store_pd (o, sum);
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}
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MAKE_RESAMPLE_FUNC (gint16, 1, sse2);
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MAKE_RESAMPLE_FUNC (gdouble, 1, sse2);
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MAKE_RESAMPLE_FUNC (gint16, 2, sse2);
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MAKE_RESAMPLE_FUNC (gdouble, 2, sse2);
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#endif
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#if defined (HAVE_SMMINTRIN_H) && defined(__SSE4_1__)
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#include <smmintrin.h>
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static inline void
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inner_product_gint32_1_sse41 (gint32 * o, const gint32 * a, const gint32 * b,
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gint len)
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{
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gint i = 0;
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__m128i sum, ta, tb;
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gint64 res;
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sum = _mm_setzero_si128 ();
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for (; i < len; i += 8) {
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ta = _mm_loadu_si128 ((__m128i *) (a + i));
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tb = _mm_load_si128 ((__m128i *) (b + i));
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sum =
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_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
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_mm_unpacklo_epi32 (tb, tb)));
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sum =
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_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
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_mm_unpackhi_epi32 (tb, tb)));
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ta = _mm_loadu_si128 ((__m128i *) (a + i + 4));
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tb = _mm_load_si128 ((__m128i *) (b + i + 4));
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sum =
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_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
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_mm_unpacklo_epi32 (tb, tb)));
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sum =
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_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
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_mm_unpackhi_epi32 (tb, tb)));
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}
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sum = _mm_add_epi64 (sum, _mm_unpackhi_epi64 (sum, sum));
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res = _mm_cvtsi128_si64 (sum);
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res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
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*o = CLAMP (res, -(1L << 31), (1L << 31) - 1);
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}
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MAKE_RESAMPLE_FUNC (gint32, 1, sse41);
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#endif
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static void
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audio_resampler_check_x86 (const gchar *option)
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{
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if (!strcmp (option, "sse")) {
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#if defined (HAVE_XMMINTRIN_H) && defined(__SSE__)
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GST_DEBUG ("enable SSE optimisations");
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resample_gfloat_1 = resample_gfloat_1_sse;
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resample_gfloat_2 = resample_gfloat_2_sse;
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#endif
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} else if (!strcmp (option, "sse2")) {
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#if defined (HAVE_EMMINTRIN_H) && defined(__SSE2__)
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GST_DEBUG ("enable SSE2 optimisations");
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resample_gint16_1 = resample_gint16_1_sse2;
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resample_gfloat_1 = resample_gfloat_1_sse;
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resample_gfloat_2 = resample_gfloat_2_sse;
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resample_gdouble_1 = resample_gdouble_1_sse2;
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resample_gint16_2 = resample_gint16_2_sse2;
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resample_gdouble_2 = resample_gdouble_2_sse2;
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#endif
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} else if (!strcmp (option, "sse41")) {
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#if defined (HAVE_SMMINTRIN_H) && defined(__SSE4_1__)
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GST_DEBUG ("enable SSE41 optimisations");
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resample_gint32_1 = resample_gint32_1_sse41;
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#endif
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}
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}
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