9c01aa1b0c
This minimize code differences between AOM master and nextgenv2 Change-Id: If144865bdf3ef0818e7aac11018b9e786444c550
98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include "./aom_config.h"
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#include "./av1_rtcd.h"
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#include "av1/common/common.h"
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#include "av1/common/blockd.h"
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#include "av1/common/idct.h"
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#include "aom_dsp/mips/inv_txfm_dspr2.h"
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#include "aom_dsp/txfm_common.h"
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#include "aom_ports/mem.h"
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#if HAVE_DSPR2
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void av1_iht16x16_256_add_dspr2(const int16_t *input, uint8_t *dest, int pitch,
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int tx_type) {
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int i, j;
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DECLARE_ALIGNED(32, int16_t, out[16 * 16]);
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int16_t *outptr = out;
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int16_t temp_out[16];
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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" : : [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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idct16_rows_dspr2(input, outptr, 16);
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idct16_cols_add_blk_dspr2(out, dest, pitch);
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break;
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case ADST_DCT: // ADST in vertical, DCT in horizontal
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idct16_rows_dspr2(input, outptr, 16);
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outptr = out;
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for (i = 0; i < 16; ++i) {
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iadst16_dspr2(outptr, temp_out);
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for (j = 0; j < 16; ++j)
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dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) +
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dest[j * pitch + i]);
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outptr += 16;
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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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{
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int16_t temp_in[16 * 16];
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for (i = 0; i < 16; ++i) {
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/* prefetch row */
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prefetch_load((const uint8_t *)(input + 16));
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iadst16_dspr2(input, outptr);
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input += 16;
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outptr += 16;
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}
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for (i = 0; i < 16; ++i)
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for (j = 0; j < 16; ++j) temp_in[j * 16 + i] = out[i * 16 + j];
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idct16_cols_add_blk_dspr2(temp_in, dest, pitch);
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} break;
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case ADST_ADST: // ADST in both directions
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{
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int16_t temp_in[16];
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for (i = 0; i < 16; ++i) {
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/* prefetch row */
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prefetch_load((const uint8_t *)(input + 16));
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iadst16_dspr2(input, outptr);
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input += 16;
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outptr += 16;
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}
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for (i = 0; i < 16; ++i) {
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for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
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iadst16_dspr2(temp_in, temp_out);
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for (j = 0; j < 16; ++j)
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dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) +
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dest[j * pitch + i]);
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}
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} break;
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default: printf("av1_short_iht16x16_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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