1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavcodec/bswapdsp.c
Michael Niedermayer 35bb74900b Merge commit 'c67b449bebbe0b35c73b203683e77a0a649bc765'
* commit 'c67b449bebbe0b35c73b203683e77a0a649bc765':
  dsputil: Split bswap*_buf() off into a separate context

Conflicts:
	configure
	libavcodec/4xm.c
	libavcodec/ac3dec.c
	libavcodec/ac3dec.h
	libavcodec/apedec.c
	libavcodec/eamad.c
	libavcodec/flacenc.c
	libavcodec/fraps.c
	libavcodec/huffyuv.c
	libavcodec/huffyuvdec.c
	libavcodec/motionpixels.c
	libavcodec/truemotion2.c
	libavcodec/x86/Makefile
	libavcodec/x86/dsputil_init.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-23 13:31:26 +02:00

57 lines
1.7 KiB
C

/*
* 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 "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);
}