69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <arm_neon.h>
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#include <assert.h>
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#include "./vp9_rtcd.h"
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#include "./vpx_config.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/arm/neon/vp9_iht_neon.h"
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#include "vpx_dsp/arm/idct_neon.h"
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#include "vpx_dsp/arm/mem_neon.h"
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#include "vpx_dsp/arm/transpose_neon.h"
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void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest, int stride,
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int tx_type) {
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const int16x8_t cospis = vld1q_s16(kCospi);
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const int16x4_t cospis0 = vget_low_s16(cospis); // cospi 0, 8, 16, 24
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const int16x4_t cospis1 = vget_high_s16(cospis); // cospi 4, 12, 20, 28
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int16x8_t a[8];
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a[0] = load_tran_low_to_s16q(input + 0 * 8);
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a[1] = load_tran_low_to_s16q(input + 1 * 8);
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a[2] = load_tran_low_to_s16q(input + 2 * 8);
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a[3] = load_tran_low_to_s16q(input + 3 * 8);
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a[4] = load_tran_low_to_s16q(input + 4 * 8);
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a[5] = load_tran_low_to_s16q(input + 5 * 8);
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a[6] = load_tran_low_to_s16q(input + 6 * 8);
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a[7] = load_tran_low_to_s16q(input + 7 * 8);
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transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]);
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switch (tx_type) {
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case DCT_DCT:
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idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a);
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transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]);
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idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a);
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break;
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case ADST_DCT:
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idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a);
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transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]);
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iadst8(a);
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break;
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case DCT_ADST:
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iadst8(a);
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transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]);
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idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a);
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break;
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default:
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assert(tx_type == ADST_ADST);
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iadst8(a);
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transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]);
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iadst8(a);
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break;
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}
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idct8x8_add8x8_neon(a, dest, stride);
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}
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