diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/encoder/x86/vp9_quantize_ssse3.c')
-rw-r--r-- | media/libvpx/libvpx/vp9/encoder/x86/vp9_quantize_ssse3.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/x86/vp9_quantize_ssse3.c b/media/libvpx/libvpx/vp9/encoder/x86/vp9_quantize_ssse3.c new file mode 100644 index 0000000000..d35004e370 --- /dev/null +++ b/media/libvpx/libvpx/vp9/encoder/x86/vp9_quantize_ssse3.c @@ -0,0 +1,253 @@ +/* + * Copyright (c) 2022 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 <assert.h> +#include <tmmintrin.h> + +#include "./vp9_rtcd.h" +#include "vpx/vpx_integer.h" +#include "vpx_dsp/vpx_dsp_common.h" +#include "vpx_dsp/x86/bitdepth_conversion_sse2.h" +#include "vpx_dsp/x86/quantize_sse2.h" +#include "vpx_dsp/x86/quantize_ssse3.h" + +void vp9_quantize_fp_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs, + const int16_t *round_ptr, const int16_t *quant_ptr, + tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, + const int16_t *dequant_ptr, uint16_t *eob_ptr, + const int16_t *scan, const int16_t *iscan) { + const __m128i zero = _mm_setzero_si128(); + __m128i thr; + int nzflag; + int index = 16; + __m128i round, quant, dequant; + __m128i coeff0, coeff1; + __m128i qcoeff0, qcoeff1; + __m128i eob; + + (void)scan; + + // Setup global values. + load_fp_values(round_ptr, &round, quant_ptr, &quant, dequant_ptr, &dequant); + + // 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); + + qcoeff0 = _mm_adds_epi16(qcoeff0, round); + qcoeff0 = _mm_mulhi_epi16(qcoeff0, quant); + + round = _mm_unpackhi_epi64(round, round); + quant = _mm_unpackhi_epi64(quant, quant); + + qcoeff1 = _mm_adds_epi16(qcoeff1, round); + qcoeff1 = _mm_mulhi_epi16(qcoeff1, quant); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, qcoeff_ptr); + store_tran_low(qcoeff1, qcoeff_ptr + 8); + + qcoeff0 = _mm_mullo_epi16(qcoeff0, dequant); + dequant = _mm_unpackhi_epi64(dequant, dequant); + qcoeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + store_tran_low(qcoeff0, dqcoeff_ptr); + store_tran_low(qcoeff1, dqcoeff_ptr + 8); + + eob = scan_for_eob(&qcoeff0, &qcoeff1, iscan, 0, zero); + + thr = _mm_srai_epi16(dequant, 1); + + // AC only loop. + while (index < n_coeffs) { + 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); + + nzflag = _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff0, thr)) | + _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff1, thr)); + + if (nzflag) { + __m128i eob0; + qcoeff0 = _mm_adds_epi16(qcoeff0, round); + qcoeff1 = _mm_adds_epi16(qcoeff1, round); + qcoeff0 = _mm_mulhi_epi16(qcoeff0, quant); + qcoeff1 = _mm_mulhi_epi16(qcoeff1, quant); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, qcoeff_ptr + index); + store_tran_low(qcoeff1, qcoeff_ptr + index + 8); + + qcoeff0 = _mm_mullo_epi16(qcoeff0, dequant); + qcoeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + store_tran_low(qcoeff0, dqcoeff_ptr + index); + store_tran_low(qcoeff1, dqcoeff_ptr + index + 8); + + eob0 = scan_for_eob(&qcoeff0, &qcoeff1, iscan, index, zero); + eob = _mm_max_epi16(eob, eob0); + } else { + store_zero_tran_low(qcoeff_ptr + index); + store_zero_tran_low(qcoeff_ptr + index + 8); + + store_zero_tran_low(dqcoeff_ptr + index); + store_zero_tran_low(dqcoeff_ptr + index + 8); + } + + index += 16; + } + + *eob_ptr = accumulate_eob(eob); +} + +void vp9_quantize_fp_32x32_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs, + const int16_t *round_ptr, + const int16_t *quant_ptr, + tran_low_t *qcoeff_ptr, + tran_low_t *dqcoeff_ptr, + const int16_t *dequant_ptr, uint16_t *eob_ptr, + const int16_t *scan, const int16_t *iscan) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one_s16 = _mm_set1_epi16(1); + __m128i thr; + int nzflag; + int index = 16; + __m128i round, quant, dequant; + __m128i coeff0, coeff1; + __m128i qcoeff0, qcoeff1; + __m128i eob; + + (void)scan; + + // Setup global values. + load_fp_values(round_ptr, &round, quant_ptr, &quant, dequant_ptr, &dequant); + // The 32x32 halves round. + round = _mm_add_epi16(round, one_s16); + round = _mm_srli_epi16(round, 1); + + // The 16x16 shifts by 16, the 32x32 shifts by 15. We want to use pmulhw so + // upshift quant to account for this. + quant = _mm_slli_epi16(quant, 1); + + // 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); + + qcoeff0 = _mm_adds_epi16(qcoeff0, round); + qcoeff0 = _mm_mulhi_epi16(qcoeff0, quant); + + round = _mm_unpackhi_epi64(round, round); + quant = _mm_unpackhi_epi64(quant, quant); + + qcoeff1 = _mm_adds_epi16(qcoeff1, round); + qcoeff1 = _mm_mulhi_epi16(qcoeff1, quant); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, qcoeff_ptr); + store_tran_low(qcoeff1, qcoeff_ptr + 8); + + // Get the abs value of qcoeff again so we can use shifts for division. + qcoeff0 = _mm_abs_epi16(qcoeff0); + qcoeff1 = _mm_abs_epi16(qcoeff1); + + qcoeff0 = _mm_mullo_epi16(qcoeff0, dequant); + dequant = _mm_unpackhi_epi64(dequant, dequant); + qcoeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + // Divide by 2. + qcoeff0 = _mm_srli_epi16(qcoeff0, 1); + qcoeff1 = _mm_srli_epi16(qcoeff1, 1); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, dqcoeff_ptr); + store_tran_low(qcoeff1, dqcoeff_ptr + 8); + + eob = scan_for_eob(&qcoeff0, &qcoeff1, iscan, 0, zero); + + thr = _mm_srai_epi16(dequant, 2); + + // AC only loop. + while (index < n_coeffs) { + 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); + + nzflag = _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff0, thr)) | + _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff1, thr)); + + if (nzflag) { + qcoeff0 = _mm_adds_epi16(qcoeff0, round); + qcoeff1 = _mm_adds_epi16(qcoeff1, round); + qcoeff0 = _mm_mulhi_epi16(qcoeff0, quant); + qcoeff1 = _mm_mulhi_epi16(qcoeff1, quant); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, qcoeff_ptr + index); + store_tran_low(qcoeff1, qcoeff_ptr + index + 8); + + // Get the abs value of qcoeff again so we can use shifts for division. + qcoeff0 = _mm_abs_epi16(qcoeff0); + qcoeff1 = _mm_abs_epi16(qcoeff1); + + qcoeff0 = _mm_mullo_epi16(qcoeff0, dequant); + qcoeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + // Divide by 2. + qcoeff0 = _mm_srli_epi16(qcoeff0, 1); + qcoeff1 = _mm_srli_epi16(qcoeff1, 1); + + // Reinsert signs. + qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0); + qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1); + + store_tran_low(qcoeff0, dqcoeff_ptr + index); + store_tran_low(qcoeff1, dqcoeff_ptr + index + 8); + } else { + store_zero_tran_low(qcoeff_ptr + index); + store_zero_tran_low(qcoeff_ptr + index + 8); + + store_zero_tran_low(dqcoeff_ptr + index); + store_zero_tran_low(dqcoeff_ptr + index + 8); + } + + if (nzflag) { + const __m128i eob0 = scan_for_eob(&qcoeff0, &qcoeff1, iscan, index, zero); + eob = _mm_max_epi16(eob, eob0); + } + index += 16; + } + + *eob_ptr = accumulate_eob(eob); +} |