mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
05d95c53a7
The blockdsp split did not cover Alpha optimizations Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
|
|
* 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;
|
|
}
|
|
}
|