quantize x86: dedup some parts
Change-Id: I9f95f47bc7ecbb7980f21cbc3a91f699624141af
This commit is contained in:
Johann
parent
cbe62b9c2d
commit
bd990cad72
@ -279,6 +279,7 @@ ifeq ($(CONFIG_VP9_ENCODER),yes)
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DSP_SRCS-yes += quantize.c
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DSP_SRCS-yes += quantize.h
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DSP_SRCS-$(HAVE_SSE2) += x86/quantize_x86.h
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DSP_SRCS-$(HAVE_SSE2) += x86/quantize_sse2.c
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DSP_SRCS-$(HAVE_SSSE3) += x86/quantize_ssse3.c
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DSP_SRCS-$(HAVE_AVX) += x86/quantize_avx.c
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@ -17,6 +17,7 @@
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#include "./vpx_dsp_rtcd.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
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#include "vpx_dsp/x86/quantize_x86.h"
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void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *zbin_ptr,
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@ -34,9 +35,7 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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__m128i qcoeff0, qcoeff1;
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__m128i cmp_mask0, cmp_mask1;
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__m128i all_zero;
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__m128i qtmp0, qtmp1;
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__m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
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__m128i eob = zero, eob0, eob1;
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__m128i eob = zero, eob0;
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(void)scan_ptr;
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(void)skip_block;
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@ -44,15 +43,8 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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*eob_ptr = 0;
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// Setup global values.
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zbin = _mm_load_si128((const __m128i *)zbin_ptr);
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// x86 has no "greater *or equal*" comparison. Subtract 1 from zbin so
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// it is a strict "greater" comparison.
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zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
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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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shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
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load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
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dequant_ptr, &dequant, quant_shift_ptr, &shift);
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// Do DC and first 15 AC.
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coeff0 = load_tran_low(coeff_ptr);
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@ -81,20 +73,11 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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shift = _mm_unpackhi_epi64(shift, shift);
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dequant = _mm_unpackhi_epi64(dequant, dequant);
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} else {
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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calculate_qcoeff(&qcoeff0, round, quant, shift);
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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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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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shift = _mm_unpackhi_epi64(shift, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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calculate_qcoeff(&qcoeff1, round, quant, shift);
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// Reinsert signs
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qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
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@ -107,24 +90,15 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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store_tran_low(qcoeff0, qcoeff_ptr);
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store_tran_low(qcoeff1, qcoeff_ptr + 8);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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coeff0 = calculate_dqcoeff(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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coeff1 = calculate_dqcoeff(qcoeff1, dequant);
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store_tran_low(coeff0, dqcoeff_ptr);
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store_tran_low(coeff1, dqcoeff_ptr + 8);
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// Scan for eob.
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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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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
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iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
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eob = _mm_andnot_si128(zero_coeff0, iscan0);
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eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
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eob = _mm_max_epi16(eob, eob1);
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eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
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zero);
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}
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// AC only loop.
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@ -149,17 +123,8 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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continue;
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}
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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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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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calculate_qcoeff(&qcoeff0, round, quant, shift);
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calculate_qcoeff(&qcoeff1, round, quant, shift);
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qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
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qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
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@ -170,35 +135,18 @@ void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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store_tran_low(qcoeff0, qcoeff_ptr + index);
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store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
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coeff0 = calculate_dqcoeff(qcoeff0, dequant);
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coeff1 = calculate_dqcoeff(qcoeff1, dequant);
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store_tran_low(coeff0, dqcoeff_ptr + index);
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store_tran_low(coeff1, dqcoeff_ptr + index + 8);
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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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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
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iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
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iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
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eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
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eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
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eob0 = _mm_max_epi16(eob0, eob1);
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eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
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index, zero);
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eob = _mm_max_epi16(eob, eob0);
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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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*eob_ptr = accumulate_eob(eob);
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}
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void vpx_quantize_b_32x32_avx(
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@ -217,17 +165,13 @@ void vpx_quantize_b_32x32_avx(
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__m128i qcoeff0, qcoeff1;
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__m128i cmp_mask0, cmp_mask1;
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__m128i all_zero;
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__m128i qtmp0, qtmp1;
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__m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
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__m128i eob = zero, eob0, eob1;
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__m128i eob = zero, eob0;
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(void)scan_ptr;
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(void)n_coeffs;
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(void)skip_block;
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assert(!skip_block);
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*eob_ptr = 0;
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// Setup global values.
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// The 32x32 halves zbin and round.
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zbin = _mm_load_si128((const __m128i *)zbin_ptr);
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@ -255,7 +199,7 @@ void vpx_quantize_b_32x32_avx(
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qcoeff1 = _mm_abs_epi16(coeff1);
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cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
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zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
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zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC.
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cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
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all_zero = _mm_or_si128(cmp_mask0, cmp_mask1);
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@ -272,26 +216,17 @@ void vpx_quantize_b_32x32_avx(
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shift = _mm_unpackhi_epi64(shift, shift);
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dequant = _mm_unpackhi_epi64(dequant, dequant);
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} else {
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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calculate_qcoeff(&qcoeff0, round, quant, shift);
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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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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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shift = _mm_unpackhi_epi64(shift, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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calculate_qcoeff(&qcoeff1, round, quant, shift);
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// Reinsert signs
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// Reinsert signs.
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qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
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qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
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// Mask out zbin threshold coeffs
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// Mask out zbin threshold coeffs.
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qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
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qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
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@ -304,9 +239,9 @@ void vpx_quantize_b_32x32_avx(
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coeff0 = _mm_abs_epi16(qcoeff0);
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coeff1 = _mm_abs_epi16(qcoeff1);
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coeff0 = _mm_mullo_epi16(coeff0, dequant);
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coeff0 = calculate_dqcoeff(coeff0, dequant);
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dequant = _mm_unpackhi_epi64(dequant, dequant);
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coeff1 = _mm_mullo_epi16(coeff1, dequant);
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coeff1 = calculate_dqcoeff(coeff1, dequant);
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// "Divide" by 2.
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coeff0 = _mm_srli_epi16(coeff0, 1);
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@ -318,17 +253,8 @@ void vpx_quantize_b_32x32_avx(
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store_tran_low(coeff0, dqcoeff_ptr);
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store_tran_low(coeff1, dqcoeff_ptr + 8);
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// Scan for eob.
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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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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
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iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
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eob = _mm_andnot_si128(zero_coeff0, iscan0);
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eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
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eob = _mm_max_epi16(eob, eob1);
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eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
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zero);
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}
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// AC only loop.
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@ -353,17 +279,8 @@ void vpx_quantize_b_32x32_avx(
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continue;
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}
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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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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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calculate_qcoeff(&qcoeff0, round, quant, shift);
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calculate_qcoeff(&qcoeff1, round, quant, shift);
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qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
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qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
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@ -377,8 +294,8 @@ void vpx_quantize_b_32x32_avx(
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coeff0 = _mm_abs_epi16(qcoeff0);
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coeff1 = _mm_abs_epi16(qcoeff1);
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coeff0 = _mm_mullo_epi16(coeff0, dequant);
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coeff1 = _mm_mullo_epi16(coeff1, dequant);
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coeff0 = calculate_dqcoeff(coeff0, dequant);
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coeff1 = calculate_dqcoeff(coeff1, dequant);
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coeff0 = _mm_srli_epi16(coeff0, 1);
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coeff1 = _mm_srli_epi16(coeff1, 1);
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@ -389,27 +306,10 @@ void vpx_quantize_b_32x32_avx(
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store_tran_low(coeff0, dqcoeff_ptr + index);
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store_tran_low(coeff1, dqcoeff_ptr + index + 8);
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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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iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
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iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
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iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
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iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
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eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
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eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
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eob0 = _mm_max_epi16(eob0, eob1);
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eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
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index, zero);
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eob = _mm_max_epi16(eob, eob0);
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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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*eob_ptr = accumulate_eob(eob);
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}
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@ -15,6 +15,7 @@
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#include "./vpx_dsp_rtcd.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
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#include "vpx_dsp/x86/quantize_x86.h"
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void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *zbin_ptr,
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@ -30,21 +31,15 @@ void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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__m128i coeff0, coeff1, coeff0_sign, coeff1_sign;
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__m128i qcoeff0, qcoeff1;
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__m128i cmp_mask0, cmp_mask1;
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__m128i qtmp0, qtmp1;
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__m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
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__m128i eob, eob0, eob1;
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__m128i eob, eob0;
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(void)scan_ptr;
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(void)skip_block;
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assert(!skip_block);
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// Setup global values.
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zbin = _mm_load_si128((const __m128i *)zbin_ptr);
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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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zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
|
||||
dequant = _mm_load_si128((const __m128i *)dequant_ptr);
|
||||
shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
|
||||
load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
|
||||
dequant_ptr, &dequant, quant_shift_ptr, &shift);
|
||||
|
||||
// Do DC and first 15 AC.
|
||||
coeff0 = load_tran_low(coeff_ptr);
|
||||
@ -53,35 +48,24 @@ void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
// Poor man's abs().
|
||||
coeff0_sign = _mm_srai_epi16(coeff0, 15);
|
||||
coeff1_sign = _mm_srai_epi16(coeff1, 15);
|
||||
qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
|
||||
qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = invert_sign_sse2(coeff0, coeff0_sign);
|
||||
qcoeff1 = invert_sign_sse2(coeff1, coeff1_sign);
|
||||
|
||||
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
|
||||
zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
|
||||
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
|
||||
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
|
||||
round = _mm_unpackhi_epi64(round, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
quant = _mm_unpackhi_epi64(quant, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
shift = _mm_unpackhi_epi64(shift, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
// Reinsert signs
|
||||
qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = invert_sign_sse2(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = invert_sign_sse2(qcoeff1, coeff1_sign);
|
||||
|
||||
// Mask out zbin threshold coeffs
|
||||
qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
|
||||
@ -90,24 +74,15 @@ void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
store_tran_low(qcoeff0, qcoeff_ptr);
|
||||
store_tran_low(qcoeff1, qcoeff_ptr + 8);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
|
||||
coeff0 = calculate_dqcoeff(qcoeff0, dequant);
|
||||
dequant = _mm_unpackhi_epi64(dequant, dequant);
|
||||
coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
|
||||
coeff1 = calculate_dqcoeff(qcoeff1, dequant);
|
||||
|
||||
store_tran_low(coeff0, dqcoeff_ptr);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + 8);
|
||||
|
||||
// Scan for eob.
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
|
||||
// Add one to convert from indices to counts
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob = _mm_max_epi16(eob, eob1);
|
||||
eob =
|
||||
scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0, zero);
|
||||
|
||||
// AC only loop.
|
||||
while (index < n_coeffs) {
|
||||
@ -116,30 +91,17 @@ void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
|
||||
coeff0_sign = _mm_srai_epi16(coeff0, 15);
|
||||
coeff1_sign = _mm_srai_epi16(coeff1, 15);
|
||||
qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
|
||||
qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = invert_sign_sse2(coeff0, coeff0_sign);
|
||||
qcoeff1 = invert_sign_sse2(coeff1, coeff1_sign);
|
||||
|
||||
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
|
||||
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
|
||||
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
|
||||
qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
|
||||
qcoeff0 = invert_sign_sse2(qcoeff0, coeff0_sign);
|
||||
qcoeff1 = invert_sign_sse2(qcoeff1, coeff1_sign);
|
||||
|
||||
qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
|
||||
qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
|
||||
@ -147,35 +109,18 @@ void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
store_tran_low(qcoeff0, qcoeff_ptr + index);
|
||||
store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
|
||||
coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
|
||||
coeff0 = calculate_dqcoeff(qcoeff0, dequant);
|
||||
coeff1 = calculate_dqcoeff(qcoeff1, dequant);
|
||||
|
||||
store_tran_low(coeff0, dqcoeff_ptr + index);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
|
||||
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob0 = _mm_max_epi16(eob0, eob1);
|
||||
eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
|
||||
index, zero);
|
||||
eob = _mm_max_epi16(eob, eob0);
|
||||
|
||||
index += 16;
|
||||
}
|
||||
|
||||
// Accumulate eob.
|
||||
{
|
||||
__m128i eob_shuffled;
|
||||
eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
*eob_ptr = _mm_extract_epi16(eob, 1);
|
||||
}
|
||||
*eob_ptr = accumulate_eob(eob);
|
||||
}
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
#include "./vpx_dsp_rtcd.h"
|
||||
#include "vpx/vpx_integer.h"
|
||||
#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
|
||||
#include "vpx_dsp/x86/quantize_x86.h"
|
||||
|
||||
void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
int skip_block, const int16_t *zbin_ptr,
|
||||
@ -23,29 +24,20 @@ void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
const int16_t *dequant_ptr, uint16_t *eob_ptr,
|
||||
const int16_t *scan_ptr, const int16_t *iscan_ptr) {
|
||||
const __m128i zero = _mm_setzero_si128();
|
||||
intptr_t index = 16;
|
||||
int index = 16;
|
||||
|
||||
__m128i zbin, round, quant, dequant, shift;
|
||||
__m128i coeff0, coeff1;
|
||||
__m128i qcoeff0, qcoeff1;
|
||||
__m128i cmp_mask0, cmp_mask1;
|
||||
__m128i qtmp0, qtmp1;
|
||||
__m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
|
||||
__m128i eob, eob0, eob1;
|
||||
__m128i eob, eob0;
|
||||
|
||||
(void)scan_ptr;
|
||||
(void)skip_block;
|
||||
assert(!skip_block);
|
||||
|
||||
// Setup global values.
|
||||
zbin = _mm_load_si128((const __m128i *)zbin_ptr);
|
||||
// x86 has no "greater *or equal*" comparison. Subtract 1 from zbin so
|
||||
// it is a strict "greater" comparison.
|
||||
zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
|
||||
round = _mm_load_si128((const __m128i *)round_ptr);
|
||||
quant = _mm_load_si128((const __m128i *)quant_ptr);
|
||||
dequant = _mm_load_si128((const __m128i *)dequant_ptr);
|
||||
shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
|
||||
load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
|
||||
dequant_ptr, &dequant, quant_shift_ptr, &shift);
|
||||
|
||||
// Do DC and first 15 AC.
|
||||
coeff0 = load_tran_low(coeff_ptr);
|
||||
@ -58,20 +50,11 @@ void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
|
||||
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
|
||||
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
round = _mm_unpackhi_epi64(round, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
quant = _mm_unpackhi_epi64(quant, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
shift = _mm_unpackhi_epi64(shift, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
// Reinsert signs
|
||||
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
|
||||
@ -84,24 +67,15 @@ void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
store_tran_low(qcoeff0, qcoeff_ptr);
|
||||
store_tran_low(qcoeff1, qcoeff_ptr + 8);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
|
||||
coeff0 = calculate_dqcoeff(qcoeff0, dequant);
|
||||
dequant = _mm_unpackhi_epi64(dequant, dequant);
|
||||
coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
|
||||
coeff1 = calculate_dqcoeff(qcoeff1, dequant);
|
||||
|
||||
store_tran_low(coeff0, dqcoeff_ptr);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + 8);
|
||||
|
||||
// Scan for eob.
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
|
||||
// Add one to convert from indices to counts
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob = _mm_max_epi16(eob, eob1);
|
||||
eob =
|
||||
scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0, zero);
|
||||
|
||||
// AC only loop.
|
||||
while (index < n_coeffs) {
|
||||
@ -114,17 +88,8 @@ void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
|
||||
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
|
||||
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
|
||||
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
|
||||
@ -135,37 +100,20 @@ void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
||||
store_tran_low(qcoeff0, qcoeff_ptr + index);
|
||||
store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
|
||||
coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
|
||||
coeff0 = calculate_dqcoeff(qcoeff0, dequant);
|
||||
coeff1 = calculate_dqcoeff(qcoeff1, dequant);
|
||||
|
||||
store_tran_low(coeff0, dqcoeff_ptr + index);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
|
||||
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob0 = _mm_max_epi16(eob0, eob1);
|
||||
eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
|
||||
index, zero);
|
||||
eob = _mm_max_epi16(eob, eob0);
|
||||
|
||||
index += 16;
|
||||
}
|
||||
|
||||
// Accumulate eob.
|
||||
{
|
||||
__m128i eob_shuffled;
|
||||
eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
*eob_ptr = _mm_extract_epi16(eob, 1);
|
||||
}
|
||||
*eob_ptr = accumulate_eob(eob);
|
||||
}
|
||||
|
||||
void vpx_quantize_b_32x32_ssse3(
|
||||
@ -176,16 +124,14 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
const int16_t *scan_ptr, const int16_t *iscan_ptr) {
|
||||
const __m128i zero = _mm_setzero_si128();
|
||||
const __m128i one = _mm_set1_epi16(1);
|
||||
intptr_t index = 16;
|
||||
int index;
|
||||
|
||||
__m128i zbin, round, quant, dequant, shift;
|
||||
__m128i coeff0, coeff1;
|
||||
__m128i qcoeff0, qcoeff1;
|
||||
__m128i cmp_mask0, cmp_mask1;
|
||||
__m128i all_zero;
|
||||
__m128i qtmp0, qtmp1;
|
||||
__m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
|
||||
__m128i eob = zero, eob0, eob1;
|
||||
__m128i eob = zero, eob0;
|
||||
|
||||
(void)scan_ptr;
|
||||
(void)n_coeffs;
|
||||
@ -236,27 +182,18 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
_mm_store_si128((__m128i *)(qcoeff_ptr + 12), zero);
|
||||
_mm_store_si128((__m128i *)(dqcoeff_ptr + 4), zero);
|
||||
_mm_store_si128((__m128i *)(dqcoeff_ptr + 12), zero);
|
||||
#endif
|
||||
#endif // CONFIG_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 {
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
round = _mm_unpackhi_epi64(round, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
quant = _mm_unpackhi_epi64(quant, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
shift = _mm_unpackhi_epi64(shift, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
// Reinsert signs.
|
||||
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
|
||||
@ -275,9 +212,9 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
coeff0 = _mm_abs_epi16(qcoeff0);
|
||||
coeff1 = _mm_abs_epi16(qcoeff1);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(coeff0, dequant);
|
||||
coeff0 = calculate_dqcoeff(coeff0, dequant);
|
||||
dequant = _mm_unpackhi_epi64(dequant, dequant);
|
||||
coeff1 = _mm_mullo_epi16(coeff1, dequant);
|
||||
coeff1 = calculate_dqcoeff(coeff1, dequant);
|
||||
|
||||
// "Divide" by 2.
|
||||
coeff0 = _mm_srli_epi16(coeff0, 1);
|
||||
@ -289,17 +226,8 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
store_tran_low(coeff0, dqcoeff_ptr);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + 8);
|
||||
|
||||
// Scan for eob.
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
|
||||
// Add one to convert from indices to counts.
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob = _mm_max_epi16(eob, eob1);
|
||||
eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
|
||||
zero);
|
||||
}
|
||||
|
||||
// AC only loop.
|
||||
@ -324,21 +252,12 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
_mm_store_si128((__m128i *)(qcoeff_ptr + index + 12), zero);
|
||||
_mm_store_si128((__m128i *)(dqcoeff_ptr + index + 4), zero);
|
||||
_mm_store_si128((__m128i *)(dqcoeff_ptr + index + 12), zero);
|
||||
#endif
|
||||
#endif // CONFIG_VP9_HIGHBITDEPTH
|
||||
continue;
|
||||
}
|
||||
|
||||
qcoeff0 = _mm_adds_epi16(qcoeff0, round);
|
||||
qcoeff1 = _mm_adds_epi16(qcoeff1, round);
|
||||
|
||||
qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
|
||||
qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
|
||||
|
||||
qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
|
||||
qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
|
||||
|
||||
qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
|
||||
qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
|
||||
calculate_qcoeff(&qcoeff0, round, quant, shift);
|
||||
calculate_qcoeff(&qcoeff1, round, quant, shift);
|
||||
|
||||
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
|
||||
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
|
||||
@ -352,8 +271,8 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
coeff0 = _mm_abs_epi16(qcoeff0);
|
||||
coeff1 = _mm_abs_epi16(qcoeff1);
|
||||
|
||||
coeff0 = _mm_mullo_epi16(coeff0, dequant);
|
||||
coeff1 = _mm_mullo_epi16(coeff1, dequant);
|
||||
coeff0 = calculate_dqcoeff(coeff0, dequant);
|
||||
coeff1 = calculate_dqcoeff(coeff1, dequant);
|
||||
|
||||
coeff0 = _mm_srli_epi16(coeff0, 1);
|
||||
coeff1 = _mm_srli_epi16(coeff1, 1);
|
||||
@ -364,26 +283,10 @@ void vpx_quantize_b_32x32_ssse3(
|
||||
store_tran_low(coeff0, dqcoeff_ptr + index);
|
||||
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
|
||||
|
||||
zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
|
||||
zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
|
||||
iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
|
||||
iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
|
||||
iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
|
||||
iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
|
||||
eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
|
||||
eob0 = _mm_max_epi16(eob0, eob1);
|
||||
eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
|
||||
index, zero);
|
||||
eob = _mm_max_epi16(eob, eob0);
|
||||
}
|
||||
|
||||
{
|
||||
__m128i eob_shuffled;
|
||||
eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
*eob_ptr = _mm_extract_epi16(eob, 1);
|
||||
}
|
||||
*eob_ptr = accumulate_eob(eob);
|
||||
}
|
||||
|
||||
78
vpx_dsp/x86/quantize_x86.h
Normal file
78
vpx_dsp/x86/quantize_x86.h
Normal file
@ -0,0 +1,78 @@
|
||||
/*
|
||||
* 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 <emmintrin.h>
|
||||
|
||||
#include "./vpx_config.h"
|
||||
#include "vpx/vpx_integer.h"
|
||||
#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
|
||||
|
||||
static INLINE void load_b_values(const int16_t *zbin_ptr, __m128i *zbin,
|
||||
const int16_t *round_ptr, __m128i *round,
|
||||
const int16_t *quant_ptr, __m128i *quant,
|
||||
const int16_t *dequant_ptr, __m128i *dequant,
|
||||
const int16_t *shift_ptr, __m128i *shift) {
|
||||
*zbin = _mm_load_si128((const __m128i *)zbin_ptr);
|
||||
*round = _mm_load_si128((const __m128i *)round_ptr);
|
||||
*quant = _mm_load_si128((const __m128i *)quant_ptr);
|
||||
*zbin = _mm_sub_epi16(*zbin, _mm_set1_epi16(1));
|
||||
*dequant = _mm_load_si128((const __m128i *)dequant_ptr);
|
||||
*shift = _mm_load_si128((const __m128i *)shift_ptr);
|
||||
}
|
||||
|
||||
// With ssse3 and later abs() and sign() are preferred.
|
||||
static INLINE __m128i invert_sign_sse2(__m128i a, __m128i sign) {
|
||||
a = _mm_xor_si128(a, sign);
|
||||
return _mm_sub_epi16(a, sign);
|
||||
}
|
||||
|
||||
static INLINE void calculate_qcoeff(__m128i *coeff, const __m128i round,
|
||||
const __m128i quant, const __m128i shift) {
|
||||
__m128i tmp, qcoeff;
|
||||
qcoeff = _mm_adds_epi16(*coeff, round);
|
||||
tmp = _mm_mulhi_epi16(qcoeff, quant);
|
||||
qcoeff = _mm_add_epi16(tmp, qcoeff);
|
||||
*coeff = _mm_mulhi_epi16(qcoeff, shift);
|
||||
}
|
||||
|
||||
static INLINE __m128i calculate_dqcoeff(__m128i qcoeff, __m128i dequant) {
|
||||
return _mm_mullo_epi16(qcoeff, dequant);
|
||||
}
|
||||
|
||||
// Scan 16 values for eob reference in scan_ptr. Use masks (-1) from comparing
|
||||
// to zbin to add 1 to the index in 'scan'.
|
||||
static INLINE __m128i scan_for_eob(__m128i *coeff0, __m128i *coeff1,
|
||||
const __m128i zbin_mask0,
|
||||
const __m128i zbin_mask1,
|
||||
const int16_t *scan_ptr, const int index,
|
||||
const __m128i zero) {
|
||||
const __m128i zero_coeff0 = _mm_cmpeq_epi16(*coeff0, zero);
|
||||
const __m128i zero_coeff1 = _mm_cmpeq_epi16(*coeff1, zero);
|
||||
__m128i scan0 = _mm_load_si128((const __m128i *)(scan_ptr + index));
|
||||
__m128i scan1 = _mm_load_si128((const __m128i *)(scan_ptr + index + 8));
|
||||
__m128i eob0, eob1;
|
||||
// Add one to convert from indices to counts
|
||||
scan0 = _mm_sub_epi16(scan0, zbin_mask0);
|
||||
scan1 = _mm_sub_epi16(scan1, zbin_mask1);
|
||||
eob0 = _mm_andnot_si128(zero_coeff0, scan0);
|
||||
eob1 = _mm_andnot_si128(zero_coeff1, scan1);
|
||||
return _mm_max_epi16(eob0, eob1);
|
||||
}
|
||||
|
||||
static INLINE int16_t accumulate_eob(__m128i eob) {
|
||||
__m128i eob_shuffled;
|
||||
eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
|
||||
eob = _mm_max_epi16(eob, eob_shuffled);
|
||||
return _mm_extract_epi16(eob, 1);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user