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quantize_avx.c


products/sources/formale Sprachen/C/Firefox/media/libvpx/libvpx/vpx_dsp/x86/quantize_avx.c

/* * Copyright (c) 2017 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include #if defined(_MSC_VER) #include #endif #include #include "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" #include "vpx_dsp/x86/bitdepth_conversion_sse2.h" #include "vpx_dsp/x86/quantize_sse2.h" #include "vpx_dsp/x86/quantize_ssse3.h" #include "vp9/common/vp9_scan.h" #include "vp9/encoder/vp9_block.h" void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const struct macroblock_plane *const mb_plane, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, const struct ScanOrder *const scan_order) { const __m128i zero = _mm_setzero_si128(); const __m256i big_zero = _mm256_setzero_si256(); int index; const int16_t *iscan = scan_order->iscan; __m128i zbin, round, quant, dequant, shift; __m128i coeff0, coeff1; __m128i qcoeff0, qcoeff1; __m128i cmp_mask0, cmp_mask1; __m128i all_zero; __m128i eob = zero, eob0; *eob_ptr = 0; load_b_values(mb_plane, &zbin, &round, &quant, dequant_ptr, &dequant, &shift); // Do DC and first 15 AC. coeff0 = load_tran_low(coeff_ptr); coeff1 = load_tran_low(coeff_ptr + 8); qcoeff0 = _mm_abs_epi16(coeff0); qcoeff1 = _mm_abs_epi16(coeff1); cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin); zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin); all_zero = _mm_or_si128(cmp_mask0, cmp_mask1); if (_mm_test_all_zeros(all_zero, all_zero)) { _mm256_store_si256((__m256i *)(qcoeff_ptr), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr), big_zero); #if CONFIG_VP9_HIGHBITDEPTH _mm256_store_si256((__m256i *)(qcoeff_ptr + 8), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + 8), big_zero); #endif // CONFIG_VP9_HIGHBITDEPTH if (n_coeffs == 16) return; round = _mm_unpackhi_epi64(round, round); quant = _mm_unpackhi_epi64(quant, quant); shift = _mm_unpackhi_epi64(shift, shift); dequant = _mm_unpackhi_epi64(dequant, dequant); } else { calculate_qcoeff(&qcoeff0, round, quant, shift); round = _mm_unpackhi_epi64(round, round); quant = _mm_unpackhi_epi64(quant, quant); shift = _mm_unpackhi_epi64(shift, shift); calculate_qcoeff(&qcoeff1, round, quant, shift); // Reinsert signs qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); // Mask out zbin threshold coeffs qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); store_tran_low(qcoeff0, qcoeff_ptr); store_tran_low(qcoeff1, qcoeff_ptr + 8); calculate_dqcoeff_and_store(qcoeff0, dequant, dqcoeff_ptr); dequant = _mm_unpackhi_epi64(dequant, dequant); calculate_dqcoeff_and_store(qcoeff1, dequant, dqcoeff_ptr + 8); eob = scan_for_eob(&qcoeff0, &qcoeff1, iscan, 0, zero); } // AC only loop. for (index = 16; index < n_coeffs; index += 16) { coeff0 = load_tran_low(coeff_ptr + index); coeff1 = load_tran_low(coeff_ptr + index + 8); qcoeff0 = _mm_abs_epi16(coeff0); qcoeff1 = _mm_abs_epi16(coeff1); cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin); cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin); all_zero = _mm_or_si128(cmp_mask0, cmp_mask1); if (_mm_test_all_zeros(all_zero, all_zero)) { _mm256_store_si256((__m256i *)(qcoeff_ptr + index), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + index), big_zero); #if CONFIG_VP9_HIGHBITDEPTH _mm256_store_si256((__m256i *)(qcoeff_ptr + index + 8), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + index + 8), big_zero); #endif // CONFIG_VP9_HIGHBITDEPTH continue; } calculate_qcoeff(&qcoeff0, round, quant, shift); calculate_qcoeff(&qcoeff1, round, quant, shift); qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); store_tran_low(qcoeff0, qcoeff_ptr + index); store_tran_low(qcoeff1, qcoeff_ptr + index + 8); calculate_dqcoeff_and_store(qcoeff0, dequant, dqcoeff_ptr + index); calculate_dqcoeff_and_store(qcoeff1, dequant, dqcoeff_ptr + index + 8); eob0 = scan_for_eob(&qcoeff0, &qcoeff1, iscan, index, zero); eob = _mm_max_epi16(eob, eob0); } *eob_ptr = accumulate_eob(eob); } void vpx_quantize_b_32x32_avx(const tran_low_t *coeff_ptr, const struct macroblock_plane *const mb_plane, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, const struct ScanOrder *const scan_order) { const __m128i zero = _mm_setzero_si128(); const __m256i big_zero = _mm256_setzero_si256(); int index; const int16_t *iscan = scan_order->iscan; __m128i zbin, round, quant, dequant, shift; __m128i coeff0, coeff1; __m128i qcoeff0, qcoeff1; __m128i cmp_mask0, cmp_mask1; __m128i all_zero; __m128i eob = zero, eob0; load_b_values32x32(mb_plane, &zbin, &round, &quant, dequant_ptr, &dequant, &shift); // Do DC and first 15 AC. coeff0 = load_tran_low(coeff_ptr); coeff1 = load_tran_low(coeff_ptr + 8); qcoeff0 = _mm_abs_epi16(coeff0); qcoeff1 = _mm_abs_epi16(coeff1); cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin); zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC. cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin); all_zero = _mm_or_si128(cmp_mask0, cmp_mask1); if (_mm_test_all_zeros(all_zero, all_zero)) { _mm256_store_si256((__m256i *)(qcoeff_ptr), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr), big_zero); #if CONFIG_VP9_HIGHBITDEPTH _mm256_store_si256((__m256i *)(qcoeff_ptr + 8), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + 8), big_zero); #endif // CONFIG_VP9_HIGHBITDEPTH round = _mm_unpackhi_epi64(round, round); quant = _mm_unpackhi_epi64(quant, quant); shift = _mm_unpackhi_epi64(shift, shift); dequant = _mm_unpackhi_epi64(dequant, dequant); } else { calculate_qcoeff(&qcoeff0, round, quant, shift); round = _mm_unpackhi_epi64(round, round); quant = _mm_unpackhi_epi64(quant, quant); shift = _mm_unpackhi_epi64(shift, shift); calculate_qcoeff(&qcoeff1, round, quant, shift); // Reinsert signs. qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); // Mask out zbin threshold coeffs. qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); store_tran_low(qcoeff0, qcoeff_ptr); store_tran_low(qcoeff1, qcoeff_ptr + 8); calculate_dqcoeff_and_store_32x32(qcoeff0, dequant, zero, dqcoeff_ptr); dequant = _mm_unpackhi_epi64(dequant, dequant); calculate_dqcoeff_and_store_32x32(qcoeff1, dequant, zero, dqcoeff_ptr + 8); eob = scan_for_eob(&qcoeff0, &qcoeff1, iscan, 0, zero); } // AC only loop. for (index = 16; index < 32 * 32; index += 16) { coeff0 = load_tran_low(coeff_ptr + index); coeff1 = load_tran_low(coeff_ptr + index + 8); qcoeff0 = _mm_abs_epi16(coeff0); qcoeff1 = _mm_abs_epi16(coeff1); cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin); cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin); all_zero = _mm_or_si128(cmp_mask0, cmp_mask1); if (_mm_test_all_zeros(all_zero, all_zero)) { _mm256_store_si256((__m256i *)(qcoeff_ptr + index), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + index), big_zero); #if CONFIG_VP9_HIGHBITDEPTH _mm256_store_si256((__m256i *)(qcoeff_ptr + index + 8), big_zero); _mm256_store_si256((__m256i *)(dqcoeff_ptr + index + 8), big_zero); #endif // CONFIG_VP9_HIGHBITDEPTH continue; } calculate_qcoeff(&qcoeff0, round, quant, shift); calculate_qcoeff(&qcoeff1, round, quant, shift); qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); store_tran_low(qcoeff0, qcoeff_ptr + index); store_tran_low(qcoeff1, qcoeff_ptr + index + 8); calculate_dqcoeff_and_store_32x32(qcoeff0, dequant, zero, dqcoeff_ptr + index); calculate_dqcoeff_and_store_32x32(qcoeff1, dequant, zero, dqcoeff_ptr + index + 8); eob0 = scan_for_eob(&qcoeff0, &qcoeff1, iscan, index, zero); eob = _mm_max_epi16(eob, eob0); } *eob_ptr = accumulate_eob(eob); }

                                                                                                                                                                                                                                                                                                                                                                                                     

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