diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/quantize_sse2.c')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/quantize_sse2.c | 329 |
1 files changed, 113 insertions, 216 deletions
diff --git a/third_party/aom/aom_dsp/x86/quantize_sse2.c b/third_party/aom/aom_dsp/x86/quantize_sse2.c index 46b9c7d29..d3de6e24d 100644 --- a/third_party/aom/aom_dsp/x86/quantize_sse2.c +++ b/third_party/aom/aom_dsp/x86/quantize_sse2.c @@ -9,242 +9,139 @@ * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ +#include <assert.h> #include <emmintrin.h> #include <xmmintrin.h> #include "config/aom_dsp_rtcd.h" #include "aom/aom_integer.h" +#include "aom_dsp/x86/quantize_x86.h" static INLINE __m128i load_coefficients(const tran_low_t *coeff_ptr) { - if (sizeof(tran_low_t) == 4) { - return _mm_setr_epi16((int16_t)coeff_ptr[0], (int16_t)coeff_ptr[1], - (int16_t)coeff_ptr[2], (int16_t)coeff_ptr[3], - (int16_t)coeff_ptr[4], (int16_t)coeff_ptr[5], - (int16_t)coeff_ptr[6], (int16_t)coeff_ptr[7]); - } else { - return _mm_load_si128((const __m128i *)coeff_ptr); - } + assert(sizeof(tran_low_t) == 4); + + return _mm_setr_epi16((int16_t)coeff_ptr[0], (int16_t)coeff_ptr[1], + (int16_t)coeff_ptr[2], (int16_t)coeff_ptr[3], + (int16_t)coeff_ptr[4], (int16_t)coeff_ptr[5], + (int16_t)coeff_ptr[6], (int16_t)coeff_ptr[7]); } static INLINE void store_coefficients(__m128i coeff_vals, tran_low_t *coeff_ptr) { - if (sizeof(tran_low_t) == 4) { - __m128i one = _mm_set1_epi16(1); - __m128i coeff_vals_hi = _mm_mulhi_epi16(coeff_vals, one); - __m128i coeff_vals_lo = _mm_mullo_epi16(coeff_vals, one); - __m128i coeff_vals_1 = _mm_unpacklo_epi16(coeff_vals_lo, coeff_vals_hi); - __m128i coeff_vals_2 = _mm_unpackhi_epi16(coeff_vals_lo, coeff_vals_hi); - _mm_store_si128((__m128i *)(coeff_ptr), coeff_vals_1); - _mm_store_si128((__m128i *)(coeff_ptr + 4), coeff_vals_2); - } else { - _mm_store_si128((__m128i *)(coeff_ptr), coeff_vals); - } + assert(sizeof(tran_low_t) == 4); + + __m128i one = _mm_set1_epi16(1); + __m128i coeff_vals_hi = _mm_mulhi_epi16(coeff_vals, one); + __m128i coeff_vals_lo = _mm_mullo_epi16(coeff_vals, one); + __m128i coeff_vals_1 = _mm_unpacklo_epi16(coeff_vals_lo, coeff_vals_hi); + __m128i coeff_vals_2 = _mm_unpackhi_epi16(coeff_vals_lo, coeff_vals_hi); + _mm_store_si128((__m128i *)(coeff_ptr), coeff_vals_1); + _mm_store_si128((__m128i *)(coeff_ptr + 4), coeff_vals_2); } void aom_quantize_b_sse2(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 *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, uint16_t *eob_ptr, const int16_t *scan_ptr, const int16_t *iscan_ptr) { - __m128i zero; + const __m128i zero = _mm_setzero_si128(); + int index = 16; + + __m128i zbin, round, quant, dequant, shift; + __m128i coeff0, coeff1, coeff0_sign, coeff1_sign; + __m128i qcoeff0, qcoeff1; + __m128i cmp_mask0, cmp_mask1; + __m128i eob, eob0; + (void)scan_ptr; - 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 zbin; - __m128i round, quant, dequant, shift; - { - __m128i coeff0, coeff1; - - // Setup global values - { - __m128i pw_1; - zbin = _mm_load_si128((const __m128i *)zbin_ptr); - round = _mm_load_si128((const __m128i *)round_ptr); - quant = _mm_load_si128((const __m128i *)quant_ptr); - pw_1 = _mm_set1_epi16(1); - zbin = _mm_sub_epi16(zbin, pw_1); - dequant = _mm_load_si128((const __m128i *)dequant_ptr); - shift = _mm_load_si128((const __m128i *)quant_shift_ptr); - } - - { - __m128i coeff0_sign, coeff1_sign; - __m128i qcoeff0, qcoeff1; - __m128i qtmp0, qtmp1; - __m128i cmp_mask0, cmp_mask1; - // Do DC and first 15 AC - coeff0 = load_coefficients(coeff_ptr + n_coeffs); - coeff1 = load_coefficients(coeff_ptr + n_coeffs + 8); - - // 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); - - 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); - 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); - - // 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); - - // Mask out zbin threshold coeffs - qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); - qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); - - store_coefficients(qcoeff0, qcoeff_ptr + n_coeffs); - store_coefficients(qcoeff1, qcoeff_ptr + n_coeffs + 8); - - coeff0 = _mm_mullo_epi16(qcoeff0, dequant); - dequant = _mm_unpackhi_epi64(dequant, dequant); - coeff1 = _mm_mullo_epi16(qcoeff1, dequant); - - store_coefficients(coeff0, dqcoeff_ptr + n_coeffs); - store_coefficients(coeff1, dqcoeff_ptr + n_coeffs + 8); - } - - { - // 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; - __m128i cmp_mask0, cmp_mask1; - - coeff0 = load_coefficients(coeff_ptr + n_coeffs); - coeff1 = load_coefficients(coeff_ptr + n_coeffs + 8); - - // 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); - - 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); - - // 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); - - // Mask out zbin threshold coeffs - qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0); - qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); - - store_coefficients(qcoeff0, qcoeff_ptr + n_coeffs); - store_coefficients(qcoeff1, qcoeff_ptr + n_coeffs + 8); - - coeff0 = _mm_mullo_epi16(qcoeff0, dequant); - coeff1 = _mm_mullo_epi16(qcoeff1, dequant); - - store_coefficients(coeff0, dqcoeff_ptr + n_coeffs); - store_coefficients(coeff1, dqcoeff_ptr + n_coeffs + 8); - } - - { - // 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 { - store_coefficients(zero, dqcoeff_ptr + n_coeffs); - store_coefficients(zero, dqcoeff_ptr + n_coeffs + 8); - store_coefficients(zero, qcoeff_ptr + n_coeffs); - store_coefficients(zero, qcoeff_ptr + n_coeffs + 8); - n_coeffs += 8 * 2; - } while (n_coeffs < 0); - *eob_ptr = 0; + // Setup global values. + 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_coefficients(coeff_ptr); + coeff1 = load_coefficients(coeff_ptr + 8); + + // Poor man's abs(). + coeff0_sign = _mm_srai_epi16(coeff0, 15); + coeff1_sign = _mm_srai_epi16(coeff1, 15); + 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); + + 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 = 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); + qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1); + + store_coefficients(qcoeff0, qcoeff_ptr); + store_coefficients(qcoeff1, qcoeff_ptr + 8); + + coeff0 = calculate_dqcoeff(qcoeff0, dequant); + dequant = _mm_unpackhi_epi64(dequant, dequant); + coeff1 = calculate_dqcoeff(qcoeff1, dequant); + + store_coefficients(coeff0, dqcoeff_ptr); + store_coefficients(coeff1, dqcoeff_ptr + 8); + + eob = + scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0, zero); + + // AC only loop. + while (index < n_coeffs) { + coeff0 = load_coefficients(coeff_ptr + index); + coeff1 = load_coefficients(coeff_ptr + index + 8); + + coeff0_sign = _mm_srai_epi16(coeff0, 15); + coeff1_sign = _mm_srai_epi16(coeff1, 15); + 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); + + calculate_qcoeff(&qcoeff0, round, quant, shift); + calculate_qcoeff(&qcoeff1, round, quant, shift); + + 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); + + store_coefficients(qcoeff0, qcoeff_ptr + index); + store_coefficients(qcoeff1, qcoeff_ptr + index + 8); + + coeff0 = calculate_dqcoeff(qcoeff0, dequant); + coeff1 = calculate_dqcoeff(qcoeff1, dequant); + + store_coefficients(coeff0, dqcoeff_ptr + index); + store_coefficients(coeff1, dqcoeff_ptr + index + 8); + + eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, + index, zero); + eob = _mm_max_epi16(eob, eob0); + + index += 16; } + + *eob_ptr = accumulate_eob(eob); } |