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cf0e42ae6e
More thorough en-/decoding tests show that sometimes the functions that use intrinsics are slower (or not really faster) than old plain C functions. After this patch the encoder doesn't use these new functions when their usefulness is questionable. Patch-from: lvqcl <lvqcl.mail@gmail.com>
2528 lines
84 KiB
C
2528 lines
84 KiB
C
/* libFLAC - Free Lossless Audio Codec library
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* Copyright (C) 2000-2009 Josh Coalson
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* Copyright (C) 2011-2013 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifndef FLAC__INTEGER_ONLY_LIBRARY
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#ifndef FLAC__NO_ASM
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#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
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#include "private/lpc.h"
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#ifdef FLAC__SSE2_SUPPORTED
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#include "FLAC/assert.h"
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#include "FLAC/format.h"
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#include <emmintrin.h> /* SSE2 */
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#define RESIDUAL16_RESULT(xmmN) curr = *data++; *residual++ = curr - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
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#define DATA16_RESULT(xmmN) curr = *residual++ + (_mm_cvtsi128_si32(xmmN) >> lp_quantization); *data++ = curr;
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#define RESIDUAL_RESULT(xmmN) residual[i] = data[i] - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
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#define DATA_RESULT(xmmN) data[i] = residual[i] + (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
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FLAC__SSE_TARGET("sse2")
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void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
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{
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int i;
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FLAC__int32 sum;
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FLAC__ASSERT(order > 0);
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FLAC__ASSERT(order <= 32);
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FLAC__ASSERT(data_len > 0);
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if(order <= 12) {
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FLAC__int32 curr;
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if(order > 8) { /* order == 9, 10, 11, 12 */
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#ifdef FLAC__CPU_IA32 /* 8 XMM registers available */
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int r;
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__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
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xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
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xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
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xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
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switch(order) /* ...and zero them out */
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{
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case 9:
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xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
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case 10:
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xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
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case 11:
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xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
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}
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xmm2 = _mm_setzero_si128();
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xmm0 = _mm_packs_epi32(xmm0, xmm6);
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xmm1 = _mm_packs_epi32(xmm1, xmm2);
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xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
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xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
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xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
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xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
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xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
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xmm4 = _mm_packs_epi32(xmm4, xmm2);
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xmm3 = _mm_packs_epi32(xmm3, xmm5);
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xmm7 = _mm_slli_si128(xmm1, 2);
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xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
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xmm2 = _mm_slli_si128(xmm0, 2);
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/* xmm0, xmm1: qlp_coeff
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xmm2, xmm7: qlp_coeff << 16 bit
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xmm3, xmm4: data */
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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r = data_len % 2;
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if(r) {
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xmm4 = _mm_slli_si128(xmm4, 2);
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xmm6 = xmm3;
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xmm3 = _mm_slli_si128(xmm3, 2);
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xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 14));
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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}
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while(data_len) { /* data_len is a multiple of 2 */
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/* 1 _mm_slli_si128 per data element less but we need shifted qlp_coeff in xmm2:xmm7 */
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xmm4 = _mm_slli_si128(xmm4, 4);
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xmm6 = xmm3;
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xmm3 = _mm_slli_si128(xmm3, 4);
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xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 12));
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xmm3 = _mm_insert_epi16(xmm3, curr, 1);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm7);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm2);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len-=2;
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}
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#else /* 16 XMM registers available */
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int r;
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__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmmA, xmmB;
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xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
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xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
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xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
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switch(order) /* ...and zero them out */
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{
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case 9:
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xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
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case 10:
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xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
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case 11:
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xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
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}
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xmm2 = _mm_setzero_si128();
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xmm0 = _mm_packs_epi32(xmm0, xmm6);
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xmm1 = _mm_packs_epi32(xmm1, xmm2);
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xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
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xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
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xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
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xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
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xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
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xmm4 = _mm_packs_epi32(xmm4, xmm2);
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xmm3 = _mm_packs_epi32(xmm3, xmm5);
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xmm7 = _mm_slli_si128(xmm1, 2);
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xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
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xmm2 = _mm_slli_si128(xmm0, 2);
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xmm9 = _mm_slli_si128(xmm1, 4);
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xmm9 = _mm_or_si128(xmm9, _mm_srli_si128(xmm0, 12));
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xmm8 = _mm_slli_si128(xmm0, 4);
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xmmB = _mm_slli_si128(xmm1, 6);
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xmmB = _mm_or_si128(xmmB, _mm_srli_si128(xmm0, 10));
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xmmA = _mm_slli_si128(xmm0, 6);
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/* xmm0, xmm1: qlp_coeff
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xmm2, xmm7: qlp_coeff << 16 bit
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xmm8, xmm9: qlp_coeff << 2*16 bit
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xmmA, xmmB: qlp_coeff << 3*16 bit
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xmm3, xmm4: data */
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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r = data_len % 4;
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while(r) {
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xmm4 = _mm_slli_si128(xmm4, 2);
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xmm6 = xmm3;
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xmm3 = _mm_slli_si128(xmm3, 2);
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xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 14));
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--; r--;
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}
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while(data_len) { /* data_len is a multiple of 4 */
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xmm4 = _mm_slli_si128(xmm4, 8);
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xmm6 = xmm3;
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xmm3 = _mm_slli_si128(xmm3, 8);
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xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 8));
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xmm3 = _mm_insert_epi16(xmm3, curr, 3);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmmB);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmmA);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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xmm3 = _mm_insert_epi16(xmm3, curr, 2);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm9);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm8);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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xmm3 = _mm_insert_epi16(xmm3, curr, 1);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm7);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm2);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm4;
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xmm6 = _mm_madd_epi16(xmm6, xmm1);
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xmm5 = xmm3;
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xmm5 = _mm_madd_epi16(xmm5, xmm0);
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xmm6 = _mm_add_epi32(xmm6, xmm5);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len-=4;
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}
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#endif
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} /* endif(order > 8) */
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else if(order > 4) { /* order == 5, 6, 7, 8 */
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if(order > 6) { /* order == 7, 8 */
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if(order == 8) {
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__m128i xmm0, xmm1, xmm3, xmm6;
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xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
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xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
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xmm0 = _mm_packs_epi32(xmm0, xmm1);
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xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
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xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
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xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_packs_epi32(xmm3, xmm1);
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/* xmm0: qlp_coeff
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xmm3: data */
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xmm6 = xmm3;
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xmm6 = _mm_madd_epi16(xmm6, xmm0);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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while(data_len) {
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xmm3 = _mm_slli_si128(xmm3, 2);
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm3;
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xmm6 = _mm_madd_epi16(xmm6, xmm0);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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}
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}
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else { /* order == 7 */
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int r;
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__m128i xmm0, xmm1, xmm2, xmm3, xmm6;
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xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
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xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
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xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4);
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xmm0 = _mm_packs_epi32(xmm0, xmm1);
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xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
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xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
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xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
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xmm3 = _mm_packs_epi32(xmm3, xmm1);
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xmm2 = _mm_slli_si128(xmm0, 2);
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/* xmm0: qlp_coeff
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xmm2: qlp_coeff << 16 bit
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xmm3: data */
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xmm6 = xmm3;
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xmm6 = _mm_madd_epi16(xmm6, xmm0);
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
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xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
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RESIDUAL16_RESULT(xmm6);
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data_len--;
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r = data_len % 2;
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if(r) {
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xmm3 = _mm_slli_si128(xmm3, 2);
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xmm3 = _mm_insert_epi16(xmm3, curr, 0);
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xmm6 = xmm3;
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xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 2 */
|
|
xmm3 = _mm_slli_si128(xmm3, 4);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len-=2;
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 5, 6 */
|
|
if(order == 6) {
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
xmm4 = _mm_slli_si128(xmm0, 4);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm2: qlp_coeff << 16 bit
|
|
xmm4: qlp_coeff << 2*16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 3;
|
|
|
|
while(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--; r--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 3 */
|
|
xmm3 = _mm_slli_si128(xmm3, 6);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 2);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm4);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len-=3;
|
|
}
|
|
}
|
|
else { /* order == 5 */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
xmm4 = _mm_slli_si128(xmm0, 4);
|
|
xmm5 = _mm_slli_si128(xmm0, 6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm2: qlp_coeff << 16 bit
|
|
xmm4: qlp_coeff << 2*16 bit
|
|
xmm4: qlp_coeff << 3*16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 4;
|
|
|
|
while(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--; r--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 4 */
|
|
xmm3 = _mm_slli_si128(xmm3, 8);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 3);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 2);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm4);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len-=4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2, 3, 4 */
|
|
if(order > 2) {
|
|
if(order == 4) {
|
|
__m128i xmm0, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
|
|
while(data_len) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
}
|
|
else { /* order == 3 */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_slli_si128(xmm0, 4); xmm0 = _mm_srli_si128(xmm0, 4);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
xmm1 = _mm_slli_si128(xmm0, 2);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm1: qlp_coeff << 16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 2;
|
|
|
|
if(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 2 */
|
|
xmm3 = _mm_slli_si128(xmm3, 4);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len-=2;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if(order == 2) {
|
|
__m128i xmm0, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_slli_si128(xmm0, 8); xmm0 = _mm_srli_si128(xmm0, 8);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
|
|
while(data_len) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
|
|
RESIDUAL16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
}
|
|
else { /* order == 1 */
|
|
for(i = 0; i < (int)data_len; i++)
|
|
residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order > 12 */
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
sum = 0;
|
|
switch(order) {
|
|
case 32: sum += qlp_coeff[31] * data[i-32];
|
|
case 31: sum += qlp_coeff[30] * data[i-31];
|
|
case 30: sum += qlp_coeff[29] * data[i-30];
|
|
case 29: sum += qlp_coeff[28] * data[i-29];
|
|
case 28: sum += qlp_coeff[27] * data[i-28];
|
|
case 27: sum += qlp_coeff[26] * data[i-27];
|
|
case 26: sum += qlp_coeff[25] * data[i-26];
|
|
case 25: sum += qlp_coeff[24] * data[i-25];
|
|
case 24: sum += qlp_coeff[23] * data[i-24];
|
|
case 23: sum += qlp_coeff[22] * data[i-23];
|
|
case 22: sum += qlp_coeff[21] * data[i-22];
|
|
case 21: sum += qlp_coeff[20] * data[i-21];
|
|
case 20: sum += qlp_coeff[19] * data[i-20];
|
|
case 19: sum += qlp_coeff[18] * data[i-19];
|
|
case 18: sum += qlp_coeff[17] * data[i-18];
|
|
case 17: sum += qlp_coeff[16] * data[i-17];
|
|
case 16: sum += qlp_coeff[15] * data[i-16];
|
|
case 15: sum += qlp_coeff[14] * data[i-15];
|
|
case 14: sum += qlp_coeff[13] * data[i-14];
|
|
case 13: sum += qlp_coeff[12] * data[i-13];
|
|
sum += qlp_coeff[11] * data[i-12];
|
|
sum += qlp_coeff[10] * data[i-11];
|
|
sum += qlp_coeff[ 9] * data[i-10];
|
|
sum += qlp_coeff[ 8] * data[i- 9];
|
|
sum += qlp_coeff[ 7] * data[i- 8];
|
|
sum += qlp_coeff[ 6] * data[i- 7];
|
|
sum += qlp_coeff[ 5] * data[i- 6];
|
|
sum += qlp_coeff[ 4] * data[i- 5];
|
|
sum += qlp_coeff[ 3] * data[i- 4];
|
|
sum += qlp_coeff[ 2] * data[i- 3];
|
|
sum += qlp_coeff[ 1] * data[i- 2];
|
|
sum += qlp_coeff[ 0] * data[i- 1];
|
|
}
|
|
residual[i] = data[i] - (sum >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
|
|
FLAC__SSE_TARGET("sse2")
|
|
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
|
|
{
|
|
int i;
|
|
|
|
FLAC__ASSERT(order > 0);
|
|
FLAC__ASSERT(order <= 32);
|
|
|
|
if(order <= 12) {
|
|
if(order > 8) { /* order == 9, 10, 11, 12 */
|
|
if(order > 10) { /* order == 11, 12 */
|
|
if(order == 12) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
|
|
xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
|
|
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[11] * data[i-12];
|
|
//sum += qlp_coeff[10] * data[i-11];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */
|
|
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm4);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 11 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
|
|
xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[10] * data[i-11];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-11]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm5);
|
|
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm4);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 9, 10 */
|
|
if(order == 10) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm4);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 9 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[8] * data[i-9];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-9]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm4);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(order > 4) { /* order == 5, 6, 7, 8 */
|
|
if(order > 6) { /* order == 7, 8 */
|
|
if(order == 8) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm3);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 7 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[6] * data[i-7];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-7]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm3);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 5, 6 */
|
|
if(order == 6) {
|
|
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm2);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 5 */
|
|
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[4] * data[i-5];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-5]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm2);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2, 3, 4 */
|
|
if(order > 2) { /* order == 3, 4 */
|
|
if(order == 4) {
|
|
__m128i xmm0, xmm1, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm1);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 3 */
|
|
__m128i xmm0, xmm1, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[2] * data[i-3];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-3]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm1);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2 */
|
|
if(order == 2) {
|
|
__m128i xmm0, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm0);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
RESIDUAL_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 1 */
|
|
for(i = 0; i < (int)data_len; i++)
|
|
residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order > 12 */
|
|
FLAC__int32 sum;
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
sum = 0;
|
|
switch(order) {
|
|
case 32: sum += qlp_coeff[31] * data[i-32];
|
|
case 31: sum += qlp_coeff[30] * data[i-31];
|
|
case 30: sum += qlp_coeff[29] * data[i-30];
|
|
case 29: sum += qlp_coeff[28] * data[i-29];
|
|
case 28: sum += qlp_coeff[27] * data[i-28];
|
|
case 27: sum += qlp_coeff[26] * data[i-27];
|
|
case 26: sum += qlp_coeff[25] * data[i-26];
|
|
case 25: sum += qlp_coeff[24] * data[i-25];
|
|
case 24: sum += qlp_coeff[23] * data[i-24];
|
|
case 23: sum += qlp_coeff[22] * data[i-23];
|
|
case 22: sum += qlp_coeff[21] * data[i-22];
|
|
case 21: sum += qlp_coeff[20] * data[i-21];
|
|
case 20: sum += qlp_coeff[19] * data[i-20];
|
|
case 19: sum += qlp_coeff[18] * data[i-19];
|
|
case 18: sum += qlp_coeff[17] * data[i-18];
|
|
case 17: sum += qlp_coeff[16] * data[i-17];
|
|
case 16: sum += qlp_coeff[15] * data[i-16];
|
|
case 15: sum += qlp_coeff[14] * data[i-15];
|
|
case 14: sum += qlp_coeff[13] * data[i-14];
|
|
case 13: sum += qlp_coeff[12] * data[i-13];
|
|
sum += qlp_coeff[11] * data[i-12];
|
|
sum += qlp_coeff[10] * data[i-11];
|
|
sum += qlp_coeff[ 9] * data[i-10];
|
|
sum += qlp_coeff[ 8] * data[i- 9];
|
|
sum += qlp_coeff[ 7] * data[i- 8];
|
|
sum += qlp_coeff[ 6] * data[i- 7];
|
|
sum += qlp_coeff[ 5] * data[i- 6];
|
|
sum += qlp_coeff[ 4] * data[i- 5];
|
|
sum += qlp_coeff[ 3] * data[i- 4];
|
|
sum += qlp_coeff[ 2] * data[i- 3];
|
|
sum += qlp_coeff[ 1] * data[i- 2];
|
|
sum += qlp_coeff[ 0] * data[i- 1];
|
|
}
|
|
residual[i] = data[i] - (sum >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
|
|
FLAC__SSE_TARGET("sse2")
|
|
void FLAC__lpc_restore_signal_16_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
|
|
{
|
|
int i;
|
|
FLAC__int32 sum;
|
|
if (order < 8) {
|
|
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
|
|
return;
|
|
}
|
|
|
|
FLAC__ASSERT(order > 0);
|
|
FLAC__ASSERT(order <= 32);
|
|
FLAC__ASSERT(data_len > 0);
|
|
|
|
if(order <= 12) {
|
|
FLAC__int32 curr;
|
|
if(order > 8) { /* order == 9, 10, 11, 12 */
|
|
#ifdef FLAC__CPU_IA32 /* 8 XMM registers available */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
|
|
switch(order) /* ...and zero them out */
|
|
{
|
|
case 9:
|
|
xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
|
|
case 10:
|
|
xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
|
|
case 11:
|
|
xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
|
|
}
|
|
xmm2 = _mm_setzero_si128();
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
xmm1 = _mm_packs_epi32(xmm1, xmm2);
|
|
|
|
xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
|
|
xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
|
|
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm4 = _mm_packs_epi32(xmm4, xmm2);
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm5);
|
|
|
|
xmm7 = _mm_slli_si128(xmm1, 2);
|
|
xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
|
|
/* xmm0, xmm1: qlp_coeff
|
|
xmm2, xmm7: qlp_coeff << 16 bit
|
|
xmm3, xmm4: data */
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 2;
|
|
|
|
if(r) {
|
|
xmm4 = _mm_slli_si128(xmm4, 2);
|
|
xmm6 = xmm3;
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 14));
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 2 */
|
|
/* 1 _mm_slli_si128 per data element less but we need shifted qlp_coeff in xmm2:xmm7 */
|
|
xmm4 = _mm_slli_si128(xmm4, 4);
|
|
xmm6 = xmm3;
|
|
xmm3 = _mm_slli_si128(xmm3, 4);
|
|
xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 12));
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm7);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=2;
|
|
}
|
|
#else /* 16 XMM registers available */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmmA, xmmB;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
|
|
switch(order) /* ...and zero them out */
|
|
{
|
|
case 9:
|
|
xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
|
|
case 10:
|
|
xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
|
|
case 11:
|
|
xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
|
|
}
|
|
xmm2 = _mm_setzero_si128();
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
xmm1 = _mm_packs_epi32(xmm1, xmm2);
|
|
|
|
xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
|
|
xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
|
|
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm4 = _mm_packs_epi32(xmm4, xmm2);
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm5);
|
|
|
|
xmm7 = _mm_slli_si128(xmm1, 2);
|
|
xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
|
|
xmm9 = _mm_slli_si128(xmm1, 4);
|
|
xmm9 = _mm_or_si128(xmm9, _mm_srli_si128(xmm0, 12));
|
|
xmm8 = _mm_slli_si128(xmm0, 4);
|
|
|
|
xmmB = _mm_slli_si128(xmm1, 6);
|
|
xmmB = _mm_or_si128(xmmB, _mm_srli_si128(xmm0, 10));
|
|
xmmA = _mm_slli_si128(xmm0, 6);
|
|
|
|
/* xmm0, xmm1: qlp_coeff
|
|
xmm2, xmm7: qlp_coeff << 16 bit
|
|
xmm8, xmm9: qlp_coeff << 2*16 bit
|
|
xmmA, xmmB: qlp_coeff << 3*16 bit
|
|
xmm3, xmm4: data */
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 4;
|
|
|
|
while(r) {
|
|
xmm4 = _mm_slli_si128(xmm4, 2);
|
|
xmm6 = xmm3;
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 14));
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--; r--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 4 */
|
|
xmm4 = _mm_slli_si128(xmm4, 8);
|
|
xmm6 = xmm3;
|
|
xmm3 = _mm_slli_si128(xmm3, 8);
|
|
xmm4 = _mm_or_si128(xmm4, _mm_srli_si128(xmm6, 8));
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 3);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmmB);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmmA);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 2);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm9);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm8);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm7);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm4;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm5 = xmm3;
|
|
xmm5 = _mm_madd_epi16(xmm5, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=4;
|
|
}
|
|
#endif
|
|
} /* endif(order > 8) */
|
|
else if(order > 4) { /* order == 5, 6, 7, 8 */
|
|
if(order > 6) { /* order == 7, 8 */
|
|
if(order == 8) {
|
|
__m128i xmm0, xmm1, xmm3, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
|
|
while(data_len) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
}
|
|
else { /* order == 7 */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm2: qlp_coeff << 16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 2;
|
|
|
|
if(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 2 */
|
|
xmm3 = _mm_slli_si128(xmm3, 4);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=2;
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 5, 6 */
|
|
if(order == 6) {
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
xmm4 = _mm_slli_si128(xmm0, 4);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm2: qlp_coeff << 16 bit
|
|
xmm4: qlp_coeff << 2*16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 3;
|
|
|
|
while(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--; r--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 3 */
|
|
xmm3 = _mm_slli_si128(xmm3, 6);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 2);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm4);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=3;
|
|
}
|
|
}
|
|
else { /* order == 5 */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6;
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
|
|
xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm1);
|
|
|
|
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm1);
|
|
xmm2 = _mm_slli_si128(xmm0, 2);
|
|
xmm4 = _mm_slli_si128(xmm0, 4);
|
|
xmm5 = _mm_slli_si128(xmm0, 6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm2: qlp_coeff << 16 bit
|
|
xmm4: qlp_coeff << 2*16 bit
|
|
xmm4: qlp_coeff << 3*16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 4;
|
|
|
|
while(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--; r--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 4 */
|
|
xmm3 = _mm_slli_si128(xmm3, 8);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 3);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm5);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 2);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm4);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm2);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2, 3, 4 */
|
|
if(order > 2) {
|
|
if(order == 4) {
|
|
__m128i xmm0, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
|
|
while(data_len) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
}
|
|
else { /* order == 3 */
|
|
int r;
|
|
__m128i xmm0, xmm1, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_slli_si128(xmm0, 4); xmm0 = _mm_srli_si128(xmm0, 4);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
xmm1 = _mm_slli_si128(xmm0, 2);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm1: qlp_coeff << 16 bit
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
r = data_len % 2;
|
|
|
|
if(r) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
|
|
while(data_len) { /* data_len is a multiple of 2 */
|
|
xmm3 = _mm_slli_si128(xmm3, 4);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm1);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len-=2;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if(order == 2) {
|
|
__m128i xmm0, xmm3, xmm6;
|
|
xmm6 = _mm_setzero_si128();
|
|
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_slli_si128(xmm0, 8); xmm0 = _mm_srli_si128(xmm0, 8);
|
|
xmm0 = _mm_packs_epi32(xmm0, xmm6);
|
|
|
|
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
|
|
xmm3 = _mm_packs_epi32(xmm3, xmm6);
|
|
|
|
/* xmm0: qlp_coeff
|
|
xmm3: data */
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
|
|
while(data_len) {
|
|
xmm3 = _mm_slli_si128(xmm3, 2);
|
|
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
|
|
|
|
xmm6 = xmm3;
|
|
xmm6 = _mm_madd_epi16(xmm6, xmm0);
|
|
|
|
DATA16_RESULT(xmm6);
|
|
|
|
data_len--;
|
|
}
|
|
}
|
|
else { /* order == 1 */
|
|
for(i = 0; i < (int)data_len; i++)
|
|
data[i] = residual[i] + ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order > 12 */
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
sum = 0;
|
|
switch(order) {
|
|
case 32: sum += qlp_coeff[31] * data[i-32];
|
|
case 31: sum += qlp_coeff[30] * data[i-31];
|
|
case 30: sum += qlp_coeff[29] * data[i-30];
|
|
case 29: sum += qlp_coeff[28] * data[i-29];
|
|
case 28: sum += qlp_coeff[27] * data[i-28];
|
|
case 27: sum += qlp_coeff[26] * data[i-27];
|
|
case 26: sum += qlp_coeff[25] * data[i-26];
|
|
case 25: sum += qlp_coeff[24] * data[i-25];
|
|
case 24: sum += qlp_coeff[23] * data[i-24];
|
|
case 23: sum += qlp_coeff[22] * data[i-23];
|
|
case 22: sum += qlp_coeff[21] * data[i-22];
|
|
case 21: sum += qlp_coeff[20] * data[i-21];
|
|
case 20: sum += qlp_coeff[19] * data[i-20];
|
|
case 19: sum += qlp_coeff[18] * data[i-19];
|
|
case 18: sum += qlp_coeff[17] * data[i-18];
|
|
case 17: sum += qlp_coeff[16] * data[i-17];
|
|
case 16: sum += qlp_coeff[15] * data[i-16];
|
|
case 15: sum += qlp_coeff[14] * data[i-15];
|
|
case 14: sum += qlp_coeff[13] * data[i-14];
|
|
case 13: sum += qlp_coeff[12] * data[i-13];
|
|
sum += qlp_coeff[11] * data[i-12];
|
|
sum += qlp_coeff[10] * data[i-11];
|
|
sum += qlp_coeff[ 9] * data[i-10];
|
|
sum += qlp_coeff[ 8] * data[i- 9];
|
|
sum += qlp_coeff[ 7] * data[i- 8];
|
|
sum += qlp_coeff[ 6] * data[i- 7];
|
|
sum += qlp_coeff[ 5] * data[i- 6];
|
|
sum += qlp_coeff[ 4] * data[i- 5];
|
|
sum += qlp_coeff[ 3] * data[i- 4];
|
|
sum += qlp_coeff[ 2] * data[i- 3];
|
|
sum += qlp_coeff[ 1] * data[i- 2];
|
|
sum += qlp_coeff[ 0] * data[i- 1];
|
|
}
|
|
data[i] = residual[i] + (sum >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
|
|
FLAC__SSE_TARGET("sse2")
|
|
void FLAC__lpc_restore_signal_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
|
|
{
|
|
int i;
|
|
|
|
FLAC__ASSERT(order > 0);
|
|
FLAC__ASSERT(order <= 32);
|
|
|
|
if(order <= 12) {
|
|
if(order > 8) { /* order == 9, 10, 11, 12 */
|
|
if(order > 10) { /* order == 11, 12 */
|
|
if(order == 12) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
|
|
xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
|
|
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[11] * data[i-12];
|
|
//sum += qlp_coeff[10] * data[i-11];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */
|
|
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm4);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 11 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
|
|
xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[10] * data[i-11];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-11]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm5);
|
|
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm4);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 9, 10 */
|
|
if(order == 10) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[9] * data[i-10];
|
|
//sum += qlp_coeff[8] * data[i-9];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm4);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 9 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[8] * data[i-9];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-9]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm4);
|
|
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm3);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(order > 4) { /* order == 5, 6, 7, 8 */
|
|
if(order > 6) { /* order == 7, 8 */
|
|
if(order == 8) {
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[7] * data[i-8];
|
|
//sum += qlp_coeff[6] * data[i-7];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm3);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 7 */
|
|
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[6] * data[i-7];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-7]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm3);
|
|
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm2);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 5, 6 */
|
|
if(order == 6) {
|
|
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[5] * data[i-6];
|
|
//sum += qlp_coeff[4] * data[i-5];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm2);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 5 */
|
|
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[4] * data[i-5];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-5]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm2);
|
|
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm1);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2, 3, 4 */
|
|
if(order > 2) { /* order == 3, 4 */
|
|
if(order == 4) {
|
|
__m128i xmm0, xmm1, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[3] * data[i-4];
|
|
//sum += qlp_coeff[2] * data[i-3];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm1);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 3 */
|
|
__m128i xmm0, xmm1, xmm6, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
|
|
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum = qlp_coeff[2] * data[i-3];
|
|
xmm7 = _mm_cvtsi32_si128(data[i-3]);
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm1);
|
|
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
|
|
xmm6 = _mm_mul_epu32(xmm6, xmm0);
|
|
xmm7 = _mm_add_epi32(xmm7, xmm6);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
}
|
|
else { /* order == 1, 2 */
|
|
if(order == 2) {
|
|
__m128i xmm0, xmm7;
|
|
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
|
|
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
|
|
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
//sum = 0;
|
|
//sum += qlp_coeff[1] * data[i-2];
|
|
//sum += qlp_coeff[0] * data[i-1];
|
|
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
|
|
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
|
|
xmm7 = _mm_mul_epu32(xmm7, xmm0);
|
|
|
|
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
|
|
DATA_RESULT(xmm7);
|
|
}
|
|
}
|
|
else { /* order == 1 */
|
|
for(i = 0; i < (int)data_len; i++)
|
|
data[i] = residual[i] + ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { /* order > 12 */
|
|
FLAC__int32 sum;
|
|
for(i = 0; i < (int)data_len; i++) {
|
|
sum = 0;
|
|
switch(order) {
|
|
case 32: sum += qlp_coeff[31] * data[i-32];
|
|
case 31: sum += qlp_coeff[30] * data[i-31];
|
|
case 30: sum += qlp_coeff[29] * data[i-30];
|
|
case 29: sum += qlp_coeff[28] * data[i-29];
|
|
case 28: sum += qlp_coeff[27] * data[i-28];
|
|
case 27: sum += qlp_coeff[26] * data[i-27];
|
|
case 26: sum += qlp_coeff[25] * data[i-26];
|
|
case 25: sum += qlp_coeff[24] * data[i-25];
|
|
case 24: sum += qlp_coeff[23] * data[i-24];
|
|
case 23: sum += qlp_coeff[22] * data[i-23];
|
|
case 22: sum += qlp_coeff[21] * data[i-22];
|
|
case 21: sum += qlp_coeff[20] * data[i-21];
|
|
case 20: sum += qlp_coeff[19] * data[i-20];
|
|
case 19: sum += qlp_coeff[18] * data[i-19];
|
|
case 18: sum += qlp_coeff[17] * data[i-18];
|
|
case 17: sum += qlp_coeff[16] * data[i-17];
|
|
case 16: sum += qlp_coeff[15] * data[i-16];
|
|
case 15: sum += qlp_coeff[14] * data[i-15];
|
|
case 14: sum += qlp_coeff[13] * data[i-14];
|
|
case 13: sum += qlp_coeff[12] * data[i-13];
|
|
sum += qlp_coeff[11] * data[i-12];
|
|
sum += qlp_coeff[10] * data[i-11];
|
|
sum += qlp_coeff[ 9] * data[i-10];
|
|
sum += qlp_coeff[ 8] * data[i- 9];
|
|
sum += qlp_coeff[ 7] * data[i- 8];
|
|
sum += qlp_coeff[ 6] * data[i- 7];
|
|
sum += qlp_coeff[ 5] * data[i- 6];
|
|
sum += qlp_coeff[ 4] * data[i- 5];
|
|
sum += qlp_coeff[ 3] * data[i- 4];
|
|
sum += qlp_coeff[ 2] * data[i- 3];
|
|
sum += qlp_coeff[ 1] * data[i- 2];
|
|
sum += qlp_coeff[ 0] * data[i- 1];
|
|
}
|
|
data[i] = residual[i] + (sum >> lp_quantization);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* FLAC__SSE2_SUPPORTED */
|
|
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
|
|
#endif /* FLAC__NO_ASM */
|
|
#endif /* FLAC__INTEGER_ONLY_LIBRARY */
|