mirror of https://git.ffmpeg.org/ffmpeg.git
185 lines
7.1 KiB
C
185 lines
7.1 KiB
C
/*
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* Loongson LSX/LASX optimized h264idct
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*
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* Copyright (c) 2023 Loongson Technology Corporation Limited
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* Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
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* Xiwei Gu <guxiwei-hf@loongson.cn>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#include "h264dsp_loongarch.h"
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#include "libavcodec/bit_depth_template.c"
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void ff_h264_idct_add16_8_lsx(uint8_t *dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t i;
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for (i = 0; i < 16; i++) {
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int32_t nnz = nzc[scan8[i]];
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if (nnz == 1 && ((dctcoef *) block)[i * 16]) {
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ff_h264_idct_dc_add_8_lsx(dst + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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} else if (nnz) {
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ff_h264_idct_add_8_lsx(dst + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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}
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void ff_h264_idct8_add4_8_lsx(uint8_t *dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t cnt;
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for (cnt = 0; cnt < 16; cnt += 4) {
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int32_t nnz = nzc[scan8[cnt]];
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if (nnz == 1 && ((dctcoef *) block)[cnt * 16]) {
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ff_h264_idct8_dc_add_8_lsx(dst + blk_offset[cnt],
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block + cnt * 16 * sizeof(pixel),
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dst_stride);
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} else if (nnz) {
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ff_h264_idct8_add_8_lsx(dst + blk_offset[cnt],
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block + cnt * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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}
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#if HAVE_LASX
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void ff_h264_idct8_add4_8_lasx(uint8_t *dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t cnt;
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for (cnt = 0; cnt < 16; cnt += 4) {
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int32_t nnz = nzc[scan8[cnt]];
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if (nnz == 1 && ((dctcoef *) block)[cnt * 16]) {
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ff_h264_idct8_dc_add_8_lasx(dst + blk_offset[cnt],
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block + cnt * 16 * sizeof(pixel),
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dst_stride);
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} else if (nnz) {
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ff_h264_idct8_add_8_lasx(dst + blk_offset[cnt],
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block + cnt * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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}
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#endif // #if HAVE_LASX
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void ff_h264_idct_add8_8_lsx(uint8_t **dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t i;
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for (i = 16; i < 20; i++) {
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if (nzc[scan8[i]])
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ff_h264_idct_add_8_lsx(dst[0] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[0] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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for (i = 32; i < 36; i++) {
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if (nzc[scan8[i]])
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ff_h264_idct_add_8_lsx(dst[1] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[1] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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void ff_h264_idct_add8_422_8_lsx(uint8_t **dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t i;
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for (i = 16; i < 20; i++) {
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if (nzc[scan8[i]])
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ff_h264_idct_add_8_lsx(dst[0] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[0] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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for (i = 20; i < 24; i++) {
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if (nzc[scan8[i + 4]])
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ff_h264_idct_add_8_lsx(dst[0] + blk_offset[i + 4],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[0] + blk_offset[i + 4],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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for (i = 32; i < 36; i++) {
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if (nzc[scan8[i]])
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ff_h264_idct_add_8_lsx(dst[1] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[1] + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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for (i = 36; i < 40; i++) {
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if (nzc[scan8[i + 4]])
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ff_h264_idct_add_8_lsx(dst[1] + blk_offset[i + 4],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst[1] + blk_offset[i + 4],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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void ff_h264_idct_add16_intra_8_lsx(uint8_t *dst, const int32_t *blk_offset,
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int16_t *block, int32_t dst_stride,
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const uint8_t nzc[15 * 8])
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{
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int32_t i;
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for (i = 0; i < 16; i++) {
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if (nzc[scan8[i]])
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ff_h264_idct_add_8_lsx(dst + blk_offset[i],
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block + i * 16 * sizeof(pixel), dst_stride);
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else if (((dctcoef *) block)[i * 16])
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ff_h264_idct_dc_add_8_lsx(dst + blk_offset[i],
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block + i * 16 * sizeof(pixel),
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dst_stride);
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}
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}
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