| 0,0 → 1,51 |
|---|
| /* |
| * Alpha optimised block operations |
| * Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stdint.h> |
| |
| #include "libavutil/attributes.h" |
| #include "libavcodec/blockdsp.h" |
| #include "asm.h" |
| |
| static void clear_blocks_axp(int16_t *blocks) { |
| uint64_t *p = (uint64_t *) blocks; |
| int n = sizeof(int16_t) * 6 * 64; |
| |
| do { |
| p[0] = 0; |
| p[1] = 0; |
| p[2] = 0; |
| p[3] = 0; |
| p[4] = 0; |
| p[5] = 0; |
| p[6] = 0; |
| p[7] = 0; |
| p += 8; |
| n -= 8 * 8; |
| } while (n); |
| } |
| |
| av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c, unsigned high_bit_depth) |
| { |
| if (!high_bit_depth) { |
| c->clear_blocks = clear_blocks_axp; |
| } |
| } |