From 2d3cc8ea2b163fd7275ed0c44102659ff0acd68b Mon Sep 17 00:00:00 2001 From: Jingning Han Date: Tue, 18 Nov 2014 08:58:09 -0800 Subject: [PATCH] Add sse2 version for vp9_quantize_fp vp9_quantize_fp is the quantization process used by rtc coding mode. This commit adds a sse2 implementation of it. The implementation is modified based on vp9_quantize_b_sse2. No speed difference from ssse3 version. Change-Id: I24949c5b27df160b4f35117d28858d269454e64a --- vp9/common/vp9_rtcd_defs.pl | 2 +- vp9/encoder/x86/vp9_quantize_sse2.c | 182 ++++++++++++++++++++++++++++ 2 files changed, 183 insertions(+), 1 deletion(-) diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl index dcc6a1793..9c50041ff 100644 --- a/vp9/common/vp9_rtcd_defs.pl +++ b/vp9/common/vp9_rtcd_defs.pl @@ -1154,7 +1154,7 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") { specialize qw/vp9_block_error avx2/, "$sse2_x86inc"; add_proto qw/void vp9_quantize_fp/, "const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, int zbin_oq_value, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan"; - specialize qw/vp9_quantize_fp neon/, "$ssse3_x86_64"; + specialize qw/vp9_quantize_fp neon sse2/, "$ssse3_x86_64"; add_proto qw/void vp9_quantize_fp_32x32/, "const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, int zbin_oq_value, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan"; specialize qw/vp9_quantize_fp_32x32/, "$ssse3_x86_64"; diff --git a/vp9/encoder/x86/vp9_quantize_sse2.c b/vp9/encoder/x86/vp9_quantize_sse2.c index 7c1c8843c..e06eb2f15 100644 --- a/vp9/encoder/x86/vp9_quantize_sse2.c +++ b/vp9/encoder/x86/vp9_quantize_sse2.c @@ -223,3 +223,185 @@ void vp9_quantize_b_sse2(const int16_t* coeff_ptr, intptr_t n_coeffs, *eob_ptr = 0; } } + +void vp9_quantize_fp_sse2(const int16_t* coeff_ptr, intptr_t n_coeffs, + int skip_block, const int16_t* zbin_ptr, + const int16_t* round_ptr, const int16_t* quant_ptr, + const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr, + int16_t* dqcoeff_ptr, const int16_t* dequant_ptr, + int zbin_oq_value, uint16_t* eob_ptr, + const int16_t* scan_ptr, + const int16_t* iscan_ptr) { + __m128i zero; + (void)scan_ptr; + (void)zbin_ptr; + (void)quant_shift_ptr; + (void)zbin_oq_value; + + coeff_ptr += n_coeffs; + iscan_ptr += n_coeffs; + qcoeff_ptr += n_coeffs; + dqcoeff_ptr += n_coeffs; + n_coeffs = -n_coeffs; + zero = _mm_setzero_si128(); + + if (!skip_block) { + __m128i eob; + __m128i round, quant, dequant; + { + __m128i coeff0, coeff1; + + // Setup global values + { + round = _mm_load_si128((const __m128i*)round_ptr); + quant = _mm_load_si128((const __m128i*)quant_ptr); + dequant = _mm_load_si128((const __m128i*)dequant_ptr); + } + + { + __m128i coeff0_sign, coeff1_sign; + __m128i qcoeff0, qcoeff1; + __m128i qtmp0, qtmp1; + // Do DC and first 15 AC + coeff0 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs)); + coeff1 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs) + 1); + + // Poor man's sign extract + 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 = _mm_adds_epi16(qcoeff0, round); + 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); + + // Reinsert signs + qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); + qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); + qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); + qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); + + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); + + coeff0 = _mm_mullo_epi16(qcoeff0, dequant); + dequant = _mm_unpackhi_epi64(dequant, dequant); + coeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); + } + + { + // Scan for eob + __m128i zero_coeff0, zero_coeff1; + __m128i nzero_coeff0, nzero_coeff1; + __m128i iscan0, iscan1; + __m128i eob1; + zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); + zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); + nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); + nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); + iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); + iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); + // Add one to convert from indices to counts + iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); + iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); + eob = _mm_and_si128(iscan0, nzero_coeff0); + eob1 = _mm_and_si128(iscan1, nzero_coeff1); + eob = _mm_max_epi16(eob, eob1); + } + n_coeffs += 8 * 2; + } + + // AC only loop + while (n_coeffs < 0) { + __m128i coeff0, coeff1; + { + __m128i coeff0_sign, coeff1_sign; + __m128i qcoeff0, qcoeff1; + __m128i qtmp0, qtmp1; + + coeff0 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs)); + coeff1 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs) + 1); + + // Poor man's sign extract + 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 = _mm_adds_epi16(qcoeff0, round); + qcoeff1 = _mm_adds_epi16(qcoeff1, round); + qtmp0 = _mm_mulhi_epi16(qcoeff0, quant); + qtmp1 = _mm_mulhi_epi16(qcoeff1, quant); + + // Reinsert signs + qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); + qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); + qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); + qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); + + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); + + coeff0 = _mm_mullo_epi16(qcoeff0, dequant); + coeff1 = _mm_mullo_epi16(qcoeff1, dequant); + + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); + } + + { + // Scan for eob + __m128i zero_coeff0, zero_coeff1; + __m128i nzero_coeff0, nzero_coeff1; + __m128i iscan0, iscan1; + __m128i eob0, eob1; + zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); + zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); + nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); + nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); + iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); + iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); + // Add one to convert from indices to counts + iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); + iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); + eob0 = _mm_and_si128(iscan0, nzero_coeff0); + eob1 = _mm_and_si128(iscan1, nzero_coeff1); + eob0 = _mm_max_epi16(eob0, eob1); + eob = _mm_max_epi16(eob, eob0); + } + n_coeffs += 8 * 2; + } + + // 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); + } + } else { + do { + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero); + _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero); + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero); + _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero); + n_coeffs += 8 * 2; + } while (n_coeffs < 0); + *eob_ptr = 0; + } +} -- 2.40.0