mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-26 01:02:33 +00:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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 "libavutil/bswap.h"
|
|
#include "bswapdsp.h"
|
|
|
|
static void bswap_buf(uint32_t *dst, const uint32_t *src, int w)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i + 8 <= w; i += 8) {
|
|
dst[i + 0] = av_bswap32(src[i + 0]);
|
|
dst[i + 1] = av_bswap32(src[i + 1]);
|
|
dst[i + 2] = av_bswap32(src[i + 2]);
|
|
dst[i + 3] = av_bswap32(src[i + 3]);
|
|
dst[i + 4] = av_bswap32(src[i + 4]);
|
|
dst[i + 5] = av_bswap32(src[i + 5]);
|
|
dst[i + 6] = av_bswap32(src[i + 6]);
|
|
dst[i + 7] = av_bswap32(src[i + 7]);
|
|
}
|
|
for (; i < w; i++)
|
|
dst[i + 0] = av_bswap32(src[i + 0]);
|
|
}
|
|
|
|
static void bswap16_buf(uint16_t *dst, const uint16_t *src, int len)
|
|
{
|
|
while (len--)
|
|
*dst++ = av_bswap16(*src++);
|
|
}
|
|
|
|
av_cold void ff_bswapdsp_init(BswapDSPContext *c)
|
|
{
|
|
c->bswap_buf = bswap_buf;
|
|
c->bswap16_buf = bswap16_buf;
|
|
|
|
if (ARCH_X86)
|
|
ff_bswapdsp_init_x86(c);
|
|
}
|