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57 lines
2.3 KiB
57 lines
2.3 KiB
/* |
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* Loongson LSX optimized swscale |
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* |
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* Copyright (c) 2023 Loongson Technology Corporation Limited |
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* Contributed by Lu Wang <wanglu@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 "swscale_loongarch.h" |
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void ff_hscale_16_to_15_lsx(SwsInternal *c, int16_t *_dst, int dstW, |
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const uint8_t *_src, const int16_t *filter, |
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const int32_t *filterPos, int filterSize) |
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{ |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->opts.src_format); |
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int sh = desc->comp[0].depth - 1; |
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if (sh < 15) { |
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sh = isAnyRGB(c->opts.src_format) || c->opts.src_format==AV_PIX_FMT_PAL8 ? 13 : |
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(desc->comp[0].depth - 1); |
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} else if (desc->flags && AV_PIX_FMT_FLAG_FLOAT) { |
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sh = 15; |
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} |
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ff_hscale_16_to_15_sub_lsx(c, _dst, dstW, _src, filter, filterPos, filterSize, sh); |
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} |
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void ff_hscale_16_to_19_lsx(SwsInternal *c, int16_t *_dst, int dstW, |
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const uint8_t *_src, const int16_t *filter, |
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const int32_t *filterPos, int filterSize) |
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{ |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->opts.src_format); |
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int bits = desc->comp[0].depth - 1; |
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int sh = bits - 4; |
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if ((isAnyRGB(c->opts.src_format) || c->opts.src_format==AV_PIX_FMT_PAL8) && desc->comp[0].depth<16) { |
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sh = 9; |
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */ |
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sh = 16 - 1 - 4; |
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} |
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ff_hscale_16_to_19_sub_lsx(c, _dst, dstW, _src, filter, filterPos, filterSize, sh); |
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}
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