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FFmpeg/libavcodec/xvididct.c
Michael Niedermayer 3841f2ae66 Merge commit 'd35b94fbabd8beb5d566c0b5d01688aff62c3b36'
* commit 'd35b94fbabd8beb5d566c0b5d01688aff62c3b36':
  avcodec: Rename xvidmmx IDCT to xvid

Conflicts:
	doc/APIchanges
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-09 12:11:13 +02:00

39 lines
1.3 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 "config.h"
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "idctdsp.h"
#include "xvididct.h"
av_cold void ff_xvididct_init(IDCTDSPContext *c, AVCodecContext *avctx)
{
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
if (high_bit_depth || avctx->lowres ||
!(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_XVID))
return;
if (ARCH_X86)
ff_xvididct_init_x86(c);
ff_init_scantable_permutation(c->idct_permutation, c->perm_type);
}