ref: fe5d87aaeb865460a1c5472fe65fc885ce234fd8
parent: 8a4336ed2edea09b67f49828df1f8c526a85a7a6
author: Scott LaVarnway <slavarnway@google.com>
date: Fri Dec 22 05:05:33 EST 2017
Add quantize_fp_32x32_nz_c() This c version uses the shortcuts found in the vp9_quantize_fp_32x32_ssse3 function. Change-Id: I2e983adb00064e070b7f2b1ac088cc58cf778137
--- a/test/vp9_quantize_test.cc
+++ b/test/vp9_quantize_test.cc
@@ -135,14 +135,14 @@
// This quantizer compares the AC coefficients to the quantization step size to
// determine if further multiplication operations are needed.
// Based on vp9_quantize_fp_sse2().
-void quantize_fp_nz_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
- int skip_block, 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) {+inline void quant_fp_nz(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ int skip_block, 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, int is_32x32) {int i, eob = -1;
- const int thr = dequant_ptr[1] >> 1;
+ const int thr = dequant_ptr[1] >> (1 + is_32x32);
(void)iscan;
(void)skip_block;
assert(!skip_block);
@@ -172,11 +172,24 @@
// If all of the AC coeffs in a row has magnitude less than the
// quantization step_size/2, quantize to zero.
if (nzflag_cnt < 16) {- int tmp =
- clamp(abs_coeff[y] + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
- tmp = (tmp * quant_ptr[rc != 0]) >> 16;
+ int tmp;
+ int _round;
+
+ if (is_32x32) {+ _round = ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1);
+ } else {+ _round = round_ptr[rc != 0];
+ }
+ tmp = clamp(abs_coeff[y] + _round, INT16_MIN, INT16_MAX);
+ tmp = (tmp * quant_ptr[rc != 0]) >> (16 - is_32x32);
qcoeff_ptr[rc] = (tmp ^ coeff_sign[y]) - coeff_sign[y];
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
+
+ if (is_32x32) {+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2;
+ } else {+ dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
+ }
} else {qcoeff_ptr[rc] = 0;
dqcoeff_ptr[rc] = 0;
@@ -195,6 +208,26 @@
*eob_ptr = eob + 1;
}
+void quantize_fp_nz_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ int skip_block, 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) {+ quant_fp_nz(coeff_ptr, n_coeffs, skip_block, round_ptr, quant_ptr, qcoeff_ptr,
+ dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, 0);
+}
+
+void quantize_fp_32x32_nz_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ int skip_block, 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) {+ quant_fp_nz(coeff_ptr, n_coeffs, skip_block, round_ptr, quant_ptr, qcoeff_ptr,
+ dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, 1);
+}
+
void GenerateHelperArrays(ACMRandom *rnd, int16_t *zbin, int16_t *round,
int16_t *quant, int16_t *quant_shift,
int16_t *dequant, int16_t *round_fp,
@@ -465,7 +498,10 @@
VPX_BITS_8, 16, false),
make_tuple(&QuantFPWrapper<vp9_quantize_fp_ssse3>,
&QuantFPWrapper<quantize_fp_nz_c>, VPX_BITS_8,
- 16, true)));
+ 16, true),
+ make_tuple(&QuantFPWrapper<vp9_quantize_fp_32x32_ssse3>,
+ &QuantFPWrapper<quantize_fp_32x32_nz_c>,
+ VPX_BITS_8, 32, true)));
#else
INSTANTIATE_TEST_CASE_P(SSSE3, VP9QuantizeTest,
::testing::Values(make_tuple(&vpx_quantize_b_ssse3,
@@ -475,14 +511,10 @@
#if ARCH_X86_64
// TODO(johannkoenig): SSSE3 optimizations do not yet pass this test.
-INSTANTIATE_TEST_CASE_P(
- DISABLED_SSSE3, VP9QuantizeTest,
- ::testing::Values(make_tuple(&vpx_quantize_b_32x32_ssse3,
- &vpx_quantize_b_32x32_c, VPX_BITS_8, 32,
- false),
- make_tuple(&QuantFPWrapper<vp9_quantize_fp_32x32_ssse3>,
- &QuantFPWrapper<vp9_quantize_fp_32x32_c>,
- VPX_BITS_8, 32, true)));
+INSTANTIATE_TEST_CASE_P(DISABLED_SSSE3, VP9QuantizeTest,
+ ::testing::Values(make_tuple(
+ &vpx_quantize_b_32x32_ssse3,
+ &vpx_quantize_b_32x32_c, VPX_BITS_8, 32, false)));
#endif // ARCH_X86_64
#endif // HAVE_SSSE3 && !CONFIG_VP9_HIGHBITDEPTH
@@ -528,6 +560,9 @@
&QuantFPWrapper<vp9_quantize_fp_c>, VPX_BITS_8, 16, true),
make_tuple(&QuantFPWrapper<quantize_fp_nz_c>,
&QuantFPWrapper<quantize_fp_nz_c>, VPX_BITS_8, 16, true),
+ make_tuple(&QuantFPWrapper<quantize_fp_32x32_nz_c>,
+ &QuantFPWrapper<quantize_fp_32x32_nz_c>, VPX_BITS_8, 32,
+ true),
make_tuple(&QuantFPWrapper<vp9_quantize_fp_32x32_c>,
&QuantFPWrapper<vp9_quantize_fp_32x32_c>, VPX_BITS_8, 32,
true)));