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51 lines
1.4 KiB
51 lines
1.4 KiB
/* |
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* Alpha optimised block operations |
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* Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
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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 <stdint.h> |
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#include "libavutil/attributes.h" |
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#include "libavcodec/blockdsp.h" |
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#include "asm.h" |
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static void clear_blocks_axp(int16_t *blocks) { |
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uint64_t *p = (uint64_t *) blocks; |
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int n = sizeof(int16_t) * 6 * 64; |
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do { |
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p[0] = 0; |
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p[1] = 0; |
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p[2] = 0; |
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p[3] = 0; |
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p[4] = 0; |
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p[5] = 0; |
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p[6] = 0; |
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p[7] = 0; |
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p += 8; |
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n -= 8 * 8; |
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} while (n); |
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} |
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av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c, unsigned high_bit_depth) |
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{ |
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if (!high_bit_depth) { |
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c->clear_blocks = clear_blocks_axp; |
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} |
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}
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