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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 13:26:42 +0200
commit277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch)
tree4595f7cc71418f71b9a97dfaeb03a30aa60f336a /third_party/aom/av1/encoder/arm/neon
parentd270404436f6e84ffa3b92af537ac721bf10d66e (diff)
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/av1/encoder/arm/neon')
-rw-r--r--third_party/aom/av1/encoder/arm/neon/quantize_neon.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/third_party/aom/av1/encoder/arm/neon/quantize_neon.c b/third_party/aom/av1/encoder/arm/neon/quantize_neon.c
deleted file mode 100644
index 36e7d3370..000000000
--- a/third_party/aom/av1/encoder/arm/neon/quantize_neon.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <arm_neon.h>
-
-#include <math.h>
-
-#include "aom_mem/aom_mem.h"
-
-#include "av1/common/quant_common.h"
-#include "av1/common/seg_common.h"
-
-#include "av1/encoder/av1_quantize.h"
-#include "av1/encoder/encoder.h"
-#include "av1/encoder/rd.h"
-
-void av1_quantize_fp_neon(const int16_t *coeff_ptr, intptr_t count,
- 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,
- uint16_t *eob_ptr, const int16_t *scan,
- const int16_t *iscan) {
- // TODO(jingning) Decide the need of these arguments after the
- // quantization process is completed.
- (void)zbin_ptr;
- (void)quant_shift_ptr;
- (void)scan;
-
- if (!skip_block) {
- // Quantization pass: All coefficients with index >= zero_flag are
- // skippable. Note: zero_flag can be zero.
- int i;
- const int16x8_t v_zero = vdupq_n_s16(0);
- const int16x8_t v_one = vdupq_n_s16(1);
- int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
- int16x8_t v_round = vmovq_n_s16(round_ptr[1]);
- int16x8_t v_quant = vmovq_n_s16(quant_ptr[1]);
- int16x8_t v_dequant = vmovq_n_s16(dequant_ptr[1]);
- // adjust for dc
- v_round = vsetq_lane_s16(round_ptr[0], v_round, 0);
- v_quant = vsetq_lane_s16(quant_ptr[0], v_quant, 0);
- v_dequant = vsetq_lane_s16(dequant_ptr[0], v_dequant, 0);
- // process dc and the first seven ac coeffs
- {
- const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
- const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[0]);
- const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
- const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero);
- const int32x4_t v_tmp_lo =
- vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
- const int32x4_t v_tmp_hi =
- vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
- const int16x8_t v_tmp2 =
- vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
- const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
- const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
- const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
- const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign);
- const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign);
- const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant);
- v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
- vst1q_s16(&qcoeff_ptr[0], v_qcoeff);
- vst1q_s16(&dqcoeff_ptr[0], v_dqcoeff);
- v_round = vmovq_n_s16(round_ptr[1]);
- v_quant = vmovq_n_s16(quant_ptr[1]);
- v_dequant = vmovq_n_s16(dequant_ptr[1]);
- }
- // now process the rest of the ac coeffs
- for (i = 8; i < count; i += 8) {
- const int16x8_t v_iscan = vld1q_s16(&iscan[i]);
- const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[i]);
- const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
- const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero);
- const int32x4_t v_tmp_lo =
- vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
- const int32x4_t v_tmp_hi =
- vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
- const int16x8_t v_tmp2 =
- vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
- const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
- const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
- const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
- const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign);
- const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign);
- const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant);
- v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
- vst1q_s16(&qcoeff_ptr[i], v_qcoeff);
- vst1q_s16(&dqcoeff_ptr[i], v_dqcoeff);
- }
- {
- const int16x4_t v_eobmax_3210 = vmax_s16(
- vget_low_s16(v_eobmax_76543210), vget_high_s16(v_eobmax_76543210));
- const int64x1_t v_eobmax_xx32 =
- vshr_n_s64(vreinterpret_s64_s16(v_eobmax_3210), 32);
- const int16x4_t v_eobmax_tmp =
- vmax_s16(v_eobmax_3210, vreinterpret_s16_s64(v_eobmax_xx32));
- const int64x1_t v_eobmax_xxx3 =
- vshr_n_s64(vreinterpret_s64_s16(v_eobmax_tmp), 16);
- const int16x4_t v_eobmax_final =
- vmax_s16(v_eobmax_tmp, vreinterpret_s16_s64(v_eobmax_xxx3));
-
- *eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0);
- }
- } else {
- memset(qcoeff_ptr, 0, count * sizeof(int16_t));
- memset(dqcoeff_ptr, 0, count * sizeof(int16_t));
- *eob_ptr = 0;
- }
-}