f883b42cab
Cherry-Picked the following commits: 0defd8f Changed "WebM" to "AOMedia" & "webm" to "aomedia" 54e6676 Replace "VPx" by "AVx" 5082a36 Change "Vpx" to "Avx" 7df44f1 Replace "Vp9" w/ "Av1" 967f722 Remove kVp9CodecId 828f30c Change "Vp8" to "AOM" 030b5ff AUTHORS regenerated 2524cae Add ref-mv experimental flag 016762b Change copyright notice to AOMedia form 81e5526 Replace vp9 w/ av1 9b94565 Add missing files fa8ca9f Change "vp9" to "av1" ec838b7 Convert "vp8" to "aom" 80edfa0 Change "VP9" to "AV1" d1a11fb Change "vp8" to "aom" 7b58251 Point to WebM test data dd1a5c8 Replace "VP8" with "AOM" ff00fc0 Change "VPX" to "AOM" 01dee0b Change "vp10" to "av1" in source code cebe6f0 Convert "vpx" to "aom" 17b0567 rename vp10*.mk to av1_*.mk fe5f8a8 rename files vp10_* to av1_* Change-Id: I6fc3d18eb11fc171e46140c836ad5339cf6c9419
211 lines
7.8 KiB
C
211 lines
7.8 KiB
C
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <emmintrin.h>
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#include <xmmintrin.h>
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#include "./av1_rtcd.h"
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#include "aom/aom_integer.h"
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void av1_quantize_fp_sse2(const int16_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *zbin_ptr,
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const int16_t *round_ptr, const int16_t *quant_ptr,
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const int16_t *quant_shift_ptr, int16_t *qcoeff_ptr,
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int16_t *dqcoeff_ptr, const int16_t *dequant_ptr,
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uint16_t *eob_ptr, const int16_t *scan_ptr,
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const int16_t *iscan_ptr) {
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__m128i zero;
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__m128i thr;
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int16_t nzflag;
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(void)scan_ptr;
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(void)zbin_ptr;
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(void)quant_shift_ptr;
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coeff_ptr += n_coeffs;
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iscan_ptr += n_coeffs;
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qcoeff_ptr += n_coeffs;
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dqcoeff_ptr += n_coeffs;
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n_coeffs = -n_coeffs;
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zero = _mm_setzero_si128();
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if (!skip_block) {
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__m128i eob;
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__m128i round, quant, dequant;
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{
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__m128i coeff0, coeff1;
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// Setup global values
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{
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round = _mm_load_si128((const __m128i *)round_ptr);
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quant = _mm_load_si128((const __m128i *)quant_ptr);
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dequant = _mm_load_si128((const __m128i *)dequant_ptr);
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}
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{
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__m128i coeff0_sign, coeff1_sign;
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__m128i qcoeff0, qcoeff1;
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__m128i qtmp0, qtmp1;
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// Do DC and first 15 AC
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coeff0 = _mm_load_si128((const __m128i *)(coeff_ptr + n_coeffs));
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coeff1 = _mm_load_si128((const __m128i *)(coeff_ptr + n_coeffs) + 1);
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// Poor man's sign extract
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coeff0_sign = _mm_srai_epi16(coeff0, 15);
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coeff1_sign = _mm_srai_epi16(coeff1, 15);
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qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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round = _mm_unpackhi_epi64(round, round);
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qcoeff1 = _mm_adds_epi16(qcoeff1, round);
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qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
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quant = _mm_unpackhi_epi64(quant, quant);
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qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
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// Reinsert signs
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qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs), qcoeff0);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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dequant = _mm_unpackhi_epi64(dequant, dequant);
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coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs), coeff0);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
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}
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{
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// Scan for eob
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__m128i zero_coeff0, zero_coeff1;
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__m128i nzero_coeff0, nzero_coeff1;
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__m128i iscan0, iscan1;
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__m128i eob1;
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zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
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zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
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nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
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nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + n_coeffs));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + n_coeffs) + 1);
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
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iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
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eob = _mm_and_si128(iscan0, nzero_coeff0);
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eob1 = _mm_and_si128(iscan1, nzero_coeff1);
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eob = _mm_max_epi16(eob, eob1);
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}
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n_coeffs += 8 * 2;
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}
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thr = _mm_srai_epi16(dequant, 1);
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// AC only loop
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while (n_coeffs < 0) {
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__m128i coeff0, coeff1;
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{
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__m128i coeff0_sign, coeff1_sign;
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__m128i qcoeff0, qcoeff1;
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__m128i qtmp0, qtmp1;
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coeff0 = _mm_load_si128((const __m128i *)(coeff_ptr + n_coeffs));
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coeff1 = _mm_load_si128((const __m128i *)(coeff_ptr + n_coeffs) + 1);
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// Poor man's sign extract
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coeff0_sign = _mm_srai_epi16(coeff0, 15);
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coeff1_sign = _mm_srai_epi16(coeff1, 15);
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qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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nzflag = _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff0, thr)) |
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_mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff1, thr));
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if (nzflag) {
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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qcoeff1 = _mm_adds_epi16(qcoeff1, round);
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qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
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qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
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// Reinsert signs
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qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs), qcoeff0);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs), coeff0);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
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} else {
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs) + 1, zero);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs) + 1, zero);
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}
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}
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if (nzflag) {
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// Scan for eob
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__m128i zero_coeff0, zero_coeff1;
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__m128i nzero_coeff0, nzero_coeff1;
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__m128i iscan0, iscan1;
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__m128i eob0, eob1;
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zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
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zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
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nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
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nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + n_coeffs));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + n_coeffs) + 1);
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
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iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
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eob0 = _mm_and_si128(iscan0, nzero_coeff0);
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eob1 = _mm_and_si128(iscan1, nzero_coeff1);
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eob0 = _mm_max_epi16(eob0, eob1);
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eob = _mm_max_epi16(eob, eob0);
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}
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n_coeffs += 8 * 2;
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}
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// Accumulate EOB
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{
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__m128i eob_shuffled;
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eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
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eob = _mm_max_epi16(eob, eob_shuffled);
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eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
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eob = _mm_max_epi16(eob, eob_shuffled);
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eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
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eob = _mm_max_epi16(eob, eob_shuffled);
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*eob_ptr = _mm_extract_epi16(eob, 1);
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}
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} else {
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do {
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i *)(dqcoeff_ptr + n_coeffs) + 1, zero);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i *)(qcoeff_ptr + n_coeffs) + 1, zero);
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n_coeffs += 8 * 2;
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} while (n_coeffs < 0);
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*eob_ptr = 0;
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}
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}
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