91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*
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* Copyright (c) 2013 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 <assert.h>
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#include <stdio.h>
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#include "./vpx_config.h"
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#include "./vp9_rtcd.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/common/vp9_idct.h"
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#include "vpx_dsp/mips/inv_txfm_dspr2.h"
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#include "vpx_dsp/txfm_common.h"
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#include "vpx_ports/mem.h"
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#if HAVE_DSPR2
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void vp9_iht4x4_16_add_dspr2(const int16_t *input, uint8_t *dest, int stride,
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int tx_type) {
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int i, j;
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DECLARE_ALIGNED(32, int16_t, out[4 * 4]);
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int16_t *outptr = out;
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int16_t temp_in[4 * 4], temp_out[4];
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uint32_t pos = 45;
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/* bit positon for extract from acc */
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__asm__ __volatile__("wrdsp %[pos], 1 \n\t"
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:
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: [pos] "r"(pos));
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switch (tx_type) {
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case DCT_DCT: // DCT in both horizontal and vertical
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vpx_idct4_rows_dspr2(input, outptr);
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vpx_idct4_columns_add_blk_dspr2(&out[0], dest, stride);
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break;
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case ADST_DCT: // ADST in vertical, DCT in horizontal
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vpx_idct4_rows_dspr2(input, outptr);
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outptr = out;
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for (i = 0; i < 4; ++i) {
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iadst4_dspr2(outptr, temp_out);
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for (j = 0; j < 4; ++j)
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dest[j * stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 4) +
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dest[j * stride + i]);
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outptr += 4;
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}
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break;
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case DCT_ADST: // DCT in vertical, ADST in horizontal
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for (i = 0; i < 4; ++i) {
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iadst4_dspr2(input, outptr);
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input += 4;
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outptr += 4;
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}
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for (i = 0; i < 4; ++i) {
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for (j = 0; j < 4; ++j) {
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temp_in[i * 4 + j] = out[j * 4 + i];
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}
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}
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vpx_idct4_columns_add_blk_dspr2(&temp_in[0], dest, stride);
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break;
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case ADST_ADST: // ADST in both directions
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for (i = 0; i < 4; ++i) {
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iadst4_dspr2(input, outptr);
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input += 4;
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outptr += 4;
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}
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for (i = 0; i < 4; ++i) {
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for (j = 0; j < 4; ++j) temp_in[j] = out[j * 4 + i];
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iadst4_dspr2(temp_in, temp_out);
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for (j = 0; j < 4; ++j)
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dest[j * stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 4) +
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dest[j * stride + i]);
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}
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break;
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default: printf("vp9_short_iht4x4_add_dspr2 : Invalid tx_type\n"); break;
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}
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}
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#endif // #if HAVE_DSPR2
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