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/*
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* Copyright (C) 2010 David Conrad
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* Copyright (C) 2010 Ronald S. Bultje
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* Copyright (C) 2014 Peter Ross
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* VP8 compatible video decoder
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*/
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#include "libavutil/common.h"
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#include "mathops.h"
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#include "vp8dsp.h"
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#define MK_IDCT_DC_ADD4_C(name) \
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static void name ## _idct_dc_add4uv_c(uint8_t *dst, int16_t block[4][16], \
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ptrdiff_t stride) \
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{ \
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name ## _idct_dc_add_c(dst + stride * 0 + 0, block[0], stride); \
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name ## _idct_dc_add_c(dst + stride * 0 + 4, block[1], stride); \
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name ## _idct_dc_add_c(dst + stride * 4 + 0, block[2], stride); \
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name ## _idct_dc_add_c(dst + stride * 4 + 4, block[3], stride); \
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} \
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\
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static void name ## _idct_dc_add4y_c(uint8_t *dst, int16_t block[4][16], \
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ptrdiff_t stride) \
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{ \
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name ## _idct_dc_add_c(dst + 0, block[0], stride); \
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name ## _idct_dc_add_c(dst + 4, block[1], stride); \
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name ## _idct_dc_add_c(dst + 8, block[2], stride); \
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name ## _idct_dc_add_c(dst + 12, block[3], stride); \
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}
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#if CONFIG_VP7_DECODER
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static void vp7_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
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{
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int i, a1, b1, c1, d1;
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int16_t tmp[16];
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for (i = 0; i < 4; i++) {
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a1 = (dc[i * 4 + 0] + dc[i * 4 + 2]) * 23170;
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b1 = (dc[i * 4 + 0] - dc[i * 4 + 2]) * 23170;
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c1 = dc[i * 4 + 1] * 12540 - dc[i * 4 + 3] * 30274;
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d1 = dc[i * 4 + 1] * 30274 + dc[i * 4 + 3] * 12540;
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tmp[i * 4 + 0] = (a1 + d1) >> 14;
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tmp[i * 4 + 3] = (a1 - d1) >> 14;
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tmp[i * 4 + 1] = (b1 + c1) >> 14;
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tmp[i * 4 + 2] = (b1 - c1) >> 14;
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}
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for (i = 0; i < 4; i++) {
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a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
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b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
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c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
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d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
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dc[i * 4 + 0] = 0;
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dc[i * 4 + 1] = 0;
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dc[i * 4 + 2] = 0;
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dc[i * 4 + 3] = 0;
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block[0][i][0] = (a1 + d1 + 0x20000) >> 18;
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block[3][i][0] = (a1 - d1 + 0x20000) >> 18;
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block[1][i][0] = (b1 + c1 + 0x20000) >> 18;
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block[2][i][0] = (b1 - c1 + 0x20000) >> 18;
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}
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}
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static void vp7_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])
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{
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int i, val = (23170 * (23170 * dc[0] >> 14) + 0x20000) >> 18;
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dc[0] = 0;
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for (i = 0; i < 4; i++) {
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block[i][0][0] = val;
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block[i][1][0] = val;
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block[i][2][0] = val;
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block[i][3][0] = val;
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}
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}
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static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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{
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int i, a1, b1, c1, d1;
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int16_t tmp[16];
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for (i = 0; i < 4; i++) {
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a1 = (block[i * 4 + 0] + block[i * 4 + 2]) * 23170;
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b1 = (block[i * 4 + 0] - block[i * 4 + 2]) * 23170;
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c1 = block[i * 4 + 1] * 12540 - block[i * 4 + 3] * 30274;
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d1 = block[i * 4 + 1] * 30274 + block[i * 4 + 3] * 12540;
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block[i * 4 + 0] = 0;
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block[i * 4 + 1] = 0;
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block[i * 4 + 2] = 0;
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block[i * 4 + 3] = 0;
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tmp[i * 4 + 0] = (a1 + d1) >> 14;
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tmp[i * 4 + 3] = (a1 - d1) >> 14;
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tmp[i * 4 + 1] = (b1 + c1) >> 14;
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tmp[i * 4 + 2] = (b1 - c1) >> 14;
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}
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for (i = 0; i < 4; i++) {
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a1 = (tmp[i + 0] + tmp[i + 8]) * 23170;
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b1 = (tmp[i + 0] - tmp[i + 8]) * 23170;
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c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
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d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
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dst[0 * stride + i] = av_clip_uint8(dst[0 * stride + i] +
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((a1 + d1 + 0x20000) >> 18));
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dst[3 * stride + i] = av_clip_uint8(dst[3 * stride + i] +
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((a1 - d1 + 0x20000) >> 18));
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dst[1 * stride + i] = av_clip_uint8(dst[1 * stride + i] +
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((b1 + c1 + 0x20000) >> 18));
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dst[2 * stride + i] = av_clip_uint8(dst[2 * stride + i] +
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((b1 - c1 + 0x20000) >> 18));
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}
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}
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static void vp7_idct_dc_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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{
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int i, dc = (23170 * (23170 * block[0] >> 14) + 0x20000) >> 18;
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block[0] = 0;
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for (i = 0; i < 4; i++) {
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dst[0] = av_clip_uint8(dst[0] + dc);
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dst[1] = av_clip_uint8(dst[1] + dc);
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dst[2] = av_clip_uint8(dst[2] + dc);
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dst[3] = av_clip_uint8(dst[3] + dc);
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dst += stride;
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}
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}
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MK_IDCT_DC_ADD4_C(vp7)
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#endif /* CONFIG_VP7_DECODER */
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// TODO: Maybe add dequant
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#if CONFIG_VP8_DECODER
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static void vp8_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
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{
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int i, t0, t1, t2, t3;
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for (i = 0; i < 4; i++) {
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t0 = dc[0 * 4 + i] + dc[3 * 4 + i];
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t1 = dc[1 * 4 + i] + dc[2 * 4 + i];
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t2 = dc[1 * 4 + i] - dc[2 * 4 + i];
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t3 = dc[0 * 4 + i] - dc[3 * 4 + i];
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dc[0 * 4 + i] = t0 + t1;
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dc[1 * 4 + i] = t3 + t2;
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dc[2 * 4 + i] = t0 - t1;
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dc[3 * 4 + i] = t3 - t2;
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}
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for (i = 0; i < 4; i++) {
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t0 = dc[i * 4 + 0] + dc[i * 4 + 3] + 3; // rounding
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t1 = dc[i * 4 + 1] + dc[i * 4 + 2];
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t2 = dc[i * 4 + 1] - dc[i * 4 + 2];
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t3 = dc[i * 4 + 0] - dc[i * 4 + 3] + 3; // rounding
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dc[i * 4 + 0] = 0;
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dc[i * 4 + 1] = 0;
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dc[i * 4 + 2] = 0;
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dc[i * 4 + 3] = 0;
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block[i][0][0] = (t0 + t1) >> 3;
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block[i][1][0] = (t3 + t2) >> 3;
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block[i][2][0] = (t0 - t1) >> 3;
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block[i][3][0] = (t3 - t2) >> 3;
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}
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}
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static void vp8_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])
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{
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int i, val = (dc[0] + 3) >> 3;
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dc[0] = 0;
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for (i = 0; i < 4; i++) {
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block[i][0][0] = val;
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block[i][1][0] = val;
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block[i][2][0] = val;
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block[i][3][0] = val;
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}
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}
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#define MUL_20091(a) ((((a) * 20091) >> 16) + (a))
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#define MUL_35468(a) (((a) * 35468) >> 16)
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static void vp8_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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{
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int i, t0, t1, t2, t3;
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int16_t tmp[16];
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for (i = 0; i < 4; i++) {
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t0 = block[0 * 4 + i] + block[2 * 4 + i];
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t1 = block[0 * 4 + i] - block[2 * 4 + i];
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t2 = MUL_35468(block[1 * 4 + i]) - MUL_20091(block[3 * 4 + i]);
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t3 = MUL_20091(block[1 * 4 + i]) + MUL_35468(block[3 * 4 + i]);
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block[0 * 4 + i] = 0;
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block[1 * 4 + i] = 0;
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block[2 * 4 + i] = 0;
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block[3 * 4 + i] = 0;
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tmp[i * 4 + 0] = t0 + t3;
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tmp[i * 4 + 1] = t1 + t2;
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tmp[i * 4 + 2] = t1 - t2;
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tmp[i * 4 + 3] = t0 - t3;
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}
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for (i = 0; i < 4; i++) {
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t0 = tmp[0 * 4 + i] + tmp[2 * 4 + i];
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t1 = tmp[0 * 4 + i] - tmp[2 * 4 + i];
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t2 = MUL_35468(tmp[1 * 4 + i]) - MUL_20091(tmp[3 * 4 + i]);
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t3 = MUL_20091(tmp[1 * 4 + i]) + MUL_35468(tmp[3 * 4 + i]);
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dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3));
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dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3));
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dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3));
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dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3));
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dst += stride;
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}
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}
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static void vp8_idct_dc_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
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{
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int i, dc = (block[0] + 4) >> 3;
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block[0] = 0;
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for (i = 0; i < 4; i++) {
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dst[0] = av_clip_uint8(dst[0] + dc);
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dst[1] = av_clip_uint8(dst[1] + dc);
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dst[2] = av_clip_uint8(dst[2] + dc);
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dst[3] = av_clip_uint8(dst[3] + dc);
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dst += stride;
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}
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}
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MK_IDCT_DC_ADD4_C(vp8)
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#endif /* CONFIG_VP8_DECODER */
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// because I like only having two parameters to pass functions...
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#define LOAD_PIXELS \
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int av_unused p3 = p[-4 * stride]; \
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int av_unused p2 = p[-3 * stride]; \
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int av_unused p1 = p[-2 * stride]; \
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int av_unused p0 = p[-1 * stride]; \
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int av_unused q0 = p[ 0 * stride]; \
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int av_unused q1 = p[ 1 * stride]; \
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int av_unused q2 = p[ 2 * stride]; \
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int av_unused q3 = p[ 3 * stride];
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#define clip_int8(n) (cm[n + 0x80] - 0x80)
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static av_always_inline void filter_common(uint8_t *p, ptrdiff_t stride,
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int is4tap, int is_vp7)
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{
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|
LOAD_PIXELS
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|
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int a, f1, f2;
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const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
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a = 3 * (q0 - p0);
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if (is4tap)
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a += clip_int8(p1 - q1);
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|
|
a = clip_int8(a);
|
|
|
|
|
|
|
|
|
|
// We deviate from the spec here with c(a+3) >> 3
|
|
|
|
|
// since that's what libvpx does.
|
|
|
|
|
f1 = FFMIN(a + 4, 127) >> 3;
|
|
|
|
|
|
|
|
|
|
if (is_vp7)
|
|
|
|
|
f2 = f1 - ((a & 7) == 4);
|
|
|
|
|
else
|
|
|
|
|
f2 = FFMIN(a + 3, 127) >> 3;
|
|
|
|
|
|
|
|
|
|
// Despite what the spec says, we do need to clamp here to
|
|
|
|
|
// be bitexact with libvpx.
|
|
|
|
|
p[-1 * stride] = cm[p0 + f2];
|
|
|
|
|
p[ 0 * stride] = cm[q0 - f1];
|
|
|
|
|
|
|
|
|
|
// only used for _inner on blocks without high edge variance
|
|
|
|
|
if (!is4tap) {
|
|
|
|
|
a = (f1 + 1) >> 1;
|
|
|
|
|
p[-2 * stride] = cm[p1 + a];
|
|
|
|
|
p[ 1 * stride] = cm[q1 - a];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static av_always_inline void vp7_filter_common(uint8_t *p, ptrdiff_t stride,
|
|
|
|
|
int is4tap)
|
|
|
|
|
{
|
|
|
|
|
filter_common(p, stride, is4tap, IS_VP7);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static av_always_inline void vp8_filter_common(uint8_t *p, ptrdiff_t stride,
|
|
|
|
|
int is4tap)
|
|
|
|
|
{
|
|
|
|
|
filter_common(p, stride, is4tap, IS_VP8);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static av_always_inline int vp7_simple_limit(uint8_t *p, ptrdiff_t stride,
|
|
|
|
|
int flim)
|
|
|
|
|
{
|
|
|
|
|
LOAD_PIXELS
|
|
|
|
|
return FFABS(p0 - q0) <= flim;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static av_always_inline int vp8_simple_limit(uint8_t *p, ptrdiff_t stride,
|
|
|
|
|
int flim)
|
|
|
|
|
{
|
|
|
|
|
LOAD_PIXELS
|
|
|
|
|
return 2 * FFABS(p0 - q0) + (FFABS(p1 - q1) >> 1) <= flim;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* E - limit at the macroblock edge
|
|
|
|
|
* I - limit for interior difference
|
|
|
|
|
*/
|
|
|
|
|
#define NORMAL_LIMIT(vpn) \
|
|
|
|
|
static av_always_inline int vp ## vpn ## _normal_limit(uint8_t *p, \
|
|
|
|
|
ptrdiff_t stride, \
|
|
|
|
|
int E, int I) \
|
|
|
|
|
{ \
|
|
|
|
|
LOAD_PIXELS \
|
|
|
|
|
return vp ## vpn ## _simple_limit(p, stride, E) && \
|
|
|
|
|
FFABS(p3 - p2) <= I && FFABS(p2 - p1) <= I && \
|
|
|
|
|
FFABS(p1 - p0) <= I && FFABS(q3 - q2) <= I && \
|
|
|
|
|
FFABS(q2 - q1) <= I && FFABS(q1 - q0) <= I; \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NORMAL_LIMIT(7)
|
|
|
|
|
NORMAL_LIMIT(8)
|
|
|
|
|
|
|
|
|
|
// high edge variance
|
|
|
|
|
static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)
|
|
|
|
|
{
|
|
|
|
|
LOAD_PIXELS
|
|
|
|
|
return FFABS(p1 - p0) > thresh || FFABS(q1 - q0) > thresh;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static av_always_inline void filter_mbedge(uint8_t *p, ptrdiff_t stride)
|
|
|
|
|
{
|
|
|
|
|
int a0, a1, a2, w;
|
|
|
|
|
const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
|
|
|
|
|
|
|
|
|
|
LOAD_PIXELS
|
|
|
|
|
|
|
|
|
|
w = clip_int8(p1 - q1);
|
|
|
|
|
w = clip_int8(w + 3 * (q0 - p0));
|
|
|
|
|
|
|
|
|
|
a0 = (27 * w + 63) >> 7;
|
|
|
|
|
a1 = (18 * w + 63) >> 7;
|
|
|
|
|
a2 = (9 * w + 63) >> 7;
|
|
|
|
|
|
|
|
|
|
p[-3 * stride] = cm[p2 + a2];
|
|
|
|
|
p[-2 * stride] = cm[p1 + a1];
|
|
|
|
|
p[-1 * stride] = cm[p0 + a0];
|
|
|
|
|
p[ 0 * stride] = cm[q0 - a0];
|
|
|
|
|
p[ 1 * stride] = cm[q1 - a1];
|
|
|
|
|
p[ 2 * stride] = cm[q2 - a2];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define LOOP_FILTER(vpn, dir, size, stridea, strideb, maybe_inline) \
|
|
|
|
|
static maybe_inline \
|
|
|
|
|
void vpn ## _ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, \
|
|
|
|
|
ptrdiff_t stride, \
|
|
|
|
|
int flim_E, int flim_I, \
|
|
|
|
|
int hev_thresh) \
|
|
|
|
|
{ \
|
|
|
|
|
int i; \
|
|
|
|
|
for (i = 0; i < size; i++) \
|
|
|
|
|
if (vpn ## _normal_limit(dst + i * stridea, strideb, \
|
|
|
|
|
flim_E, flim_I)) { \
|
|
|
|
|
if (hev(dst + i * stridea, strideb, hev_thresh)) \
|
|
|
|
|
vpn ## _filter_common(dst + i * stridea, strideb, 1); \
|
|
|
|
|
else \
|
|
|
|
|
filter_mbedge(dst + i * stridea, strideb); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
\
|
|
|
|
|
static maybe_inline \
|
|
|
|
|
void vpn ## _ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, \
|
|
|
|
|
ptrdiff_t stride, \
|
|
|
|
|
int flim_E, \
|
|
|
|
|
int flim_I, \
|
|
|
|
|
int hev_thresh) \
|
|
|
|
|
{ \
|
|
|
|
|
int i; \
|
|
|
|
|
for (i = 0; i < size; i++) \
|
|
|
|
|
if (vpn ## _normal_limit(dst + i * stridea, strideb, \
|
|
|
|
|
flim_E, flim_I)) { \
|
|
|
|
|
int hv = hev(dst + i * stridea, strideb, hev_thresh); \
|
|
|
|
|
if (hv) \
|
|
|
|
|
vpn ## _filter_common(dst + i * stridea, strideb, 1); \
|
|
|
|
|
else \
|
|
|
|
|
vpn ## _filter_common(dst + i * stridea, strideb, 0); \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define UV_LOOP_FILTER(vpn, dir, stridea, strideb) \
|
|
|
|
|
LOOP_FILTER(vpn, dir, 8, stridea, strideb, av_always_inline) \
|
|
|
|
|
static void vpn ## _ ## dir ## _loop_filter8uv_c(uint8_t *dstU, \
|
|
|
|
|
uint8_t *dstV, \
|
|
|
|
|
ptrdiff_t stride, int fE, \
|
|
|
|
|
int fI, int hev_thresh) \
|
|
|
|
|
{ \
|
|
|
|
|
vpn ## _ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh); \
|
|
|
|
|
vpn ## _ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh); \
|
|
|
|
|
} \
|
|
|
|
|
\
|
|
|
|
|
static void vpn ## _ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, \
|
|
|
|
|
uint8_t *dstV, \
|
|
|
|
|
ptrdiff_t stride, \
|
|
|
|
|
int fE, int fI, \
|
|
|
|
|
int hev_thresh) \
|
|
|
|
|
{ \
|
|
|
|
|
vpn ## _ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI, \
|
|
|
|
|
hev_thresh); \
|
|
|
|
|
vpn ## _ ## dir ## _loop_filter8_inner_c(dstV, stride, fE, fI, \
|
|
|
|
|
hev_thresh); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define LOOP_FILTER_SIMPLE(vpn) \
|
|
|
|
|
static void vpn ## _v_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, \
|
|
|
|
|
int flim) \
|
|
|
|
|
{ \
|
|
|
|
|
int i; \
|
|
|
|
|
for (i = 0; i < 16; i++) \
|
|
|
|
|
if (vpn ## _simple_limit(dst + i, stride, flim)) \
|
|
|
|
|
vpn ## _filter_common(dst + i, stride, 1); \
|
|
|
|
|
} \
|
|
|
|
|
\
|
|
|
|
|
static void vpn ## _h_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, \
|
|
|
|
|
int flim) \
|
|
|
|
|
{ \
|
|
|
|
|
int i; \
|
|
|
|
|
for (i = 0; i < 16; i++) \
|
|
|
|
|
if (vpn ## _simple_limit(dst + i * stride, 1, flim)) \
|
|
|
|
|
vpn ## _filter_common(dst + i * stride, 1, 1); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define LOOP_FILTERS(vpn) \
|
|
|
|
|
LOOP_FILTER(vpn, v, 16, 1, stride, ) \
|
|
|
|
|
LOOP_FILTER(vpn, h, 16, stride, 1, ) \
|
|
|
|
|
UV_LOOP_FILTER(vpn, v, 1, stride) \
|
|
|
|
|
UV_LOOP_FILTER(vpn, h, stride, 1) \
|
|
|
|
|
LOOP_FILTER_SIMPLE(vpn) \
|
|
|
|
|
|
|
|
|
|
static const uint8_t subpel_filters[7][6] = {
|
|
|
|
|
{ 0, 6, 123, 12, 1, 0 },
|
|
|
|
|
{ 2, 11, 108, 36, 8, 1 },
|
|
|
|
|
{ 0, 9, 93, 50, 6, 0 },
|
|
|
|
|
{ 3, 16, 77, 77, 16, 3 },
|
|
|
|
|
{ 0, 6, 50, 93, 9, 0 },
|
|
|
|
|
{ 1, 8, 36, 108, 11, 2 },
|
|
|
|
|
{ 0, 1, 12, 123, 6, 0 },
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define PUT_PIXELS(WIDTH) \
|
|
|
|
|
static void put_vp8_pixels ## WIDTH ## _c(uint8_t *dst, ptrdiff_t dststride, \
|
|
|
|
|
uint8_t *src, ptrdiff_t srcstride, \
|
|
|
|
|
int h, int x, int y) \
|
|
|
|
|
{ \
|
|
|
|
|
int i; \
|
|
|
|
|
for (i = 0; i < h; i++, dst += dststride, src += srcstride) \
|
|
|
|
|
memcpy(dst, src, WIDTH); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
PUT_PIXELS(16)
|
|
|
|
|
PUT_PIXELS(8)
|
|
|
|
|
PUT_PIXELS(4)
|
|
|
|
|
|
|
|
|
|
#define FILTER_6TAP(src, F, stride) \
|
|
|
|
|
cm[(F[2] * src[x + 0 * stride] - F[1] * src[x - 1 * stride] + \
|
|
|
|
|
F[0] * src[x - 2 * stride] + F[3] * src[x + 1 * stride] - \
|
|
|
|
|
F[4] * src[x + 2 * stride] + F[5] * src[x + 3 * stride] + 64) >> 7]
|
|
|
|
|
|
|
|
|
|
#define FILTER_4TAP(src, F, stride) \
|
|
|
|
|
cm[(F[2] * src[x + 0 * stride] - F[1] * src[x - 1 * stride] + \
|
|
|
|
|
F[3] * src[x + 1 * stride] - F[4] * src[x + 2 * stride] + 64) >> 7]
|
|
|
|
|
|
|
|
|
|
#define VP8_EPEL_H(SIZE, TAPS) \
|
|
|
|
|
static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, \
|
|
|
|
|
ptrdiff_t dststride, \
|
|
|
|
|
uint8_t *src, \
|
|
|
|
|
ptrdiff_t srcstride, \
|
|
|
|
|
int h, int mx, int my) \
|
|
|
|
|
{ \
|
|
|
|
|
const uint8_t *filter = subpel_filters[mx - 1]; \
|
|
|
|
|
const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; \
|
|
|
|
|
int x, y; \
|
|
|
|
|
for (y = 0; y < h; y++) { \
|
|
|
|
|
for (x = 0; x < SIZE; x++) \
|
|
|
|
|
dst[x] = FILTER_ ## TAPS ## TAP(src, filter, 1); \
|
|
|
|
|
dst += dststride; \
|
|
|
|
|
src += srcstride; \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define VP8_EPEL_V(SIZE, TAPS) \
|
|
|
|
|
static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, \
|
|
|
|
|
ptrdiff_t dststride, \
|
|
|
|
|
uint8_t *src, \
|
|
|
|
|
ptrdiff_t srcstride, \
|
|
|
|
|
int h, int mx, int my) \
|
|
|
|
|
{ \
|
|
|
|
|
const uint8_t *filter = subpel_filters[my - 1]; \
|
|
|
|
|
const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; \
|
|
|
|
|
int x, y; \
|
|
|
|
|
for (y = 0; y < h; y++) { \
|
|
|
|
|
for (x = 0; x < SIZE; x++) \
|
|
|
|
|
dst[x] = FILTER_ ## TAPS ## TAP(src, filter, srcstride); \
|
|
|
|
|
dst += dststride; \
|
|
|
|
|
src += srcstride; \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define VP8_EPEL_HV(SIZE, HTAPS, VTAPS) \
|
|
|
|
|
static void \
|
|
|
|
|
put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst, \
|
|
|
|
|
ptrdiff_t dststride, \
|
|
|
|
|
uint8_t *src, \
|
|
|
|
|
ptrdiff_t srcstride, \
|
|
|
|
|
int h, int mx, \
|
|
|
|
|
int my) \
|
|
|
|
|
{ \
|
|
|
|
|
const uint8_t *filter = subpel_filters[mx - 1]; \
|
|
|
|
|
const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; \
|
|
|
|
|
int x, y; \
|
|
|
|
|
uint8_t tmp_array[(2 * SIZE + VTAPS - 1) * SIZE]; \
|
|
|
|
|
uint8_t *tmp = tmp_array; \
|
|
|
|
|
src -= (2 - (VTAPS == 4)) * srcstride; \
|
|
|
|
|
\
|
|
|
|
|
for (y = 0; y < h + VTAPS - 1; y++) { \
|
|
|
|
|
for (x = 0; x < SIZE; x++) \
|
|
|
|
|
tmp[x] = FILTER_ ## HTAPS ## TAP(src, filter, 1); \
|
|
|
|
|
tmp += SIZE; \
|
|
|
|
|
src += srcstride; \
|
|
|
|
|
} \
|
|
|
|
|
tmp = tmp_array + (2 - (VTAPS == 4)) * SIZE; \
|
|
|
|
|
filter = subpel_filters[my - 1]; \
|
|
|
|
|
\
|
|
|
|
|
for (y = 0; y < h; y++) { \
|
|
|
|
|
for (x = 0; x < SIZE; x++) \
|
|
|
|
|
dst[x] = FILTER_ ## VTAPS ## TAP(tmp, filter, SIZE); \
|
|
|
|
|
dst += dststride; \
|
|
|
|
|
tmp += SIZE; \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
VP8_EPEL_H(16, 4)
|
|
|
|
|
VP8_EPEL_H(8, 4)
|
|
|
|
|
VP8_EPEL_H(4, 4)
|
|
|
|
|
VP8_EPEL_H(16, 6)
|
|
|
|
|
VP8_EPEL_H(8, 6)
|
|
|
|
|
VP8_EPEL_H(4, 6)
|
|
|
|
|
VP8_EPEL_V(16, 4)
|
|
|
|
|
VP8_EPEL_V(8, 4)
|
|
|
|
|
VP8_EPEL_V(4, 4)
|
|
|
|
|
VP8_EPEL_V(16, 6)
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VP8_EPEL_V(8, 6)
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VP8_EPEL_V(4, 6)
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VP8_EPEL_HV(16, 4, 4)
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VP8_EPEL_HV(8, 4, 4)
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VP8_EPEL_HV(4, 4, 4)
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VP8_EPEL_HV(16, 4, 6)
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VP8_EPEL_HV(8, 4, 6)
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VP8_EPEL_HV(4, 4, 6)
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VP8_EPEL_HV(16, 6, 4)
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VP8_EPEL_HV(8, 6, 4)
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VP8_EPEL_HV(4, 6, 4)
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VP8_EPEL_HV(16, 6, 6)
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VP8_EPEL_HV(8, 6, 6)
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VP8_EPEL_HV(4, 6, 6)
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#define VP8_BILINEAR(SIZE) \
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static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, ptrdiff_t dstride, \
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uint8_t *src, ptrdiff_t sstride, \
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int h, int mx, int my) \
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{ \
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int a = 8 - mx, b = mx; \
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int x, y; \
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for (y = 0; y < h; y++) { \
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for (x = 0; x < SIZE; x++) \
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dst[x] = (a * src[x] + b * src[x + 1] + 4) >> 3; \
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dst += dstride; \
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src += sstride; \
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} \
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} \
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\
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static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, ptrdiff_t dstride, \
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uint8_t *src, ptrdiff_t sstride, \
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int h, int mx, int my) \
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{ \
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int c = 8 - my, d = my; \
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int x, y; \
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for (y = 0; y < h; y++) { \
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for (x = 0; x < SIZE; x++) \
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dst[x] = (c * src[x] + d * src[x + sstride] + 4) >> 3; \
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dst += dstride; \
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src += sstride; \
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} \
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} \
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\
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static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, \
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ptrdiff_t dstride, \
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uint8_t *src, \
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ptrdiff_t sstride, \
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int h, int mx, int my) \
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{ \
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int a = 8 - mx, b = mx; \
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int c = 8 - my, d = my; \
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int x, y; \
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uint8_t tmp_array[(2 * SIZE + 1) * SIZE]; \
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uint8_t *tmp = tmp_array; \
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for (y = 0; y < h + 1; y++) { \
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for (x = 0; x < SIZE; x++) \
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tmp[x] = (a * src[x] + b * src[x + 1] + 4) >> 3; \
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tmp += SIZE; \
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src += sstride; \
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} \
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tmp = tmp_array; \
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for (y = 0; y < h; y++) { \
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for (x = 0; x < SIZE; x++) \
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dst[x] = (c * tmp[x] + d * tmp[x + SIZE] + 4) >> 3; \
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dst += dstride; \
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tmp += SIZE; \
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} \
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}
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VP8_BILINEAR(16)
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VP8_BILINEAR(8)
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VP8_BILINEAR(4)
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#define VP78_MC_FUNC(IDX, SIZE) \
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dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
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dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][1][1] = put_vp8_epel ## SIZE ## _h4v4_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][1][2] = put_vp8_epel ## SIZE ## _h6v4_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][2][0] = put_vp8_epel ## SIZE ## _v6_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][2][1] = put_vp8_epel ## SIZE ## _h4v6_c; \
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dsp->put_vp8_epel_pixels_tab[IDX][2][2] = put_vp8_epel ## SIZE ## _h6v6_c
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#define VP78_BILINEAR_MC_FUNC(IDX, SIZE) \
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dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][0][1] = put_vp8_bilinear ## SIZE ## _h_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][0][2] = put_vp8_bilinear ## SIZE ## _h_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][1][0] = put_vp8_bilinear ## SIZE ## _v_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][1][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][1][2] = put_vp8_bilinear ## SIZE ## _hv_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][2][0] = put_vp8_bilinear ## SIZE ## _v_c; \
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dsp->put_vp8_bilinear_pixels_tab[IDX][2][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
|
|
|
|
|
dsp->put_vp8_bilinear_pixels_tab[IDX][2][2] = put_vp8_bilinear ## SIZE ## _hv_c
|
|
|
|
|
|
|
|
|
|
av_cold void ff_vp78dsp_init(VP8DSPContext *dsp)
|
|
|
|
|
{
|
|
|
|
|
VP78_MC_FUNC(0, 16);
|
|
|
|
|
VP78_MC_FUNC(1, 8);
|
|
|
|
|
VP78_MC_FUNC(2, 4);
|
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|
|
|
|
|
|
|
|
VP78_BILINEAR_MC_FUNC(0, 16);
|
|
|
|
|
VP78_BILINEAR_MC_FUNC(1, 8);
|
|
|
|
|
VP78_BILINEAR_MC_FUNC(2, 4);
|
|
|
|
|
|
|
|
|
|
if (ARCH_ARM)
|
|
|
|
|
ff_vp78dsp_init_arm(dsp);
|
|
|
|
|
if (ARCH_PPC)
|
|
|
|
|
ff_vp78dsp_init_ppc(dsp);
|
|
|
|
|
if (ARCH_X86)
|
|
|
|
|
ff_vp78dsp_init_x86(dsp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if CONFIG_VP7_DECODER
|
|
|
|
|
LOOP_FILTERS(vp7)
|
|
|
|
|
|
|
|
|
|
av_cold void ff_vp7dsp_init(VP8DSPContext *dsp)
|
|
|
|
|
{
|
|
|
|
|
dsp->vp8_luma_dc_wht = vp7_luma_dc_wht_c;
|
|
|
|
|
dsp->vp8_luma_dc_wht_dc = vp7_luma_dc_wht_dc_c;
|
|
|
|
|
dsp->vp8_idct_add = vp7_idct_add_c;
|
|
|
|
|
dsp->vp8_idct_dc_add = vp7_idct_dc_add_c;
|
|
|
|
|
dsp->vp8_idct_dc_add4y = vp7_idct_dc_add4y_c;
|
|
|
|
|
dsp->vp8_idct_dc_add4uv = vp7_idct_dc_add4uv_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter16y = vp7_v_loop_filter16_c;
|
|
|
|
|
dsp->vp8_h_loop_filter16y = vp7_h_loop_filter16_c;
|
|
|
|
|
dsp->vp8_v_loop_filter8uv = vp7_v_loop_filter8uv_c;
|
|
|
|
|
dsp->vp8_h_loop_filter8uv = vp7_h_loop_filter8uv_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter16y_inner = vp7_v_loop_filter16_inner_c;
|
|
|
|
|
dsp->vp8_h_loop_filter16y_inner = vp7_h_loop_filter16_inner_c;
|
|
|
|
|
dsp->vp8_v_loop_filter8uv_inner = vp7_v_loop_filter8uv_inner_c;
|
|
|
|
|
dsp->vp8_h_loop_filter8uv_inner = vp7_h_loop_filter8uv_inner_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter_simple = vp7_v_loop_filter_simple_c;
|
|
|
|
|
dsp->vp8_h_loop_filter_simple = vp7_h_loop_filter_simple_c;
|
|
|
|
|
}
|
|
|
|
|
#endif /* CONFIG_VP7_DECODER */
|
|
|
|
|
|
|
|
|
|
#if CONFIG_VP8_DECODER
|
|
|
|
|
LOOP_FILTERS(vp8)
|
|
|
|
|
|
|
|
|
|
av_cold void ff_vp8dsp_init(VP8DSPContext *dsp)
|
|
|
|
|
{
|
|
|
|
|
dsp->vp8_luma_dc_wht = vp8_luma_dc_wht_c;
|
|
|
|
|
dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c;
|
|
|
|
|
dsp->vp8_idct_add = vp8_idct_add_c;
|
|
|
|
|
dsp->vp8_idct_dc_add = vp8_idct_dc_add_c;
|
|
|
|
|
dsp->vp8_idct_dc_add4y = vp8_idct_dc_add4y_c;
|
|
|
|
|
dsp->vp8_idct_dc_add4uv = vp8_idct_dc_add4uv_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter16y = vp8_v_loop_filter16_c;
|
|
|
|
|
dsp->vp8_h_loop_filter16y = vp8_h_loop_filter16_c;
|
|
|
|
|
dsp->vp8_v_loop_filter8uv = vp8_v_loop_filter8uv_c;
|
|
|
|
|
dsp->vp8_h_loop_filter8uv = vp8_h_loop_filter8uv_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter16y_inner = vp8_v_loop_filter16_inner_c;
|
|
|
|
|
dsp->vp8_h_loop_filter16y_inner = vp8_h_loop_filter16_inner_c;
|
|
|
|
|
dsp->vp8_v_loop_filter8uv_inner = vp8_v_loop_filter8uv_inner_c;
|
|
|
|
|
dsp->vp8_h_loop_filter8uv_inner = vp8_h_loop_filter8uv_inner_c;
|
|
|
|
|
|
|
|
|
|
dsp->vp8_v_loop_filter_simple = vp8_v_loop_filter_simple_c;
|
|
|
|
|
dsp->vp8_h_loop_filter_simple = vp8_h_loop_filter_simple_c;
|
|
|
|
|
|
|
|
|
|
if (ARCH_ARM)
|
|
|
|
|
ff_vp8dsp_init_arm(dsp);
|
|
|
|
|
if (ARCH_X86)
|
|
|
|
|
ff_vp8dsp_init_x86(dsp);
|
|
|
|
|
}
|
|
|
|
|
#endif /* CONFIG_VP8_DECODER */
|
