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ffmpeg-2.8.5

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git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2016-02-05 22:08:02 +00:00
parent a08f61ddb9
commit a4b787f4b8
5429 changed files with 1356786 additions and 0 deletions
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56
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/bswapdsp.c Normal file
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/*
* 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);
}