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184 lines
7.1 KiB
184 lines
7.1 KiB
/* |
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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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