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libavcodec
fdctdsp.c
Go to the documentation of this file.
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavutil/attributes.h
"
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#include "
avcodec.h
"
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#include "
dct.h
"
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#include "
faandct.h
"
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#include "
fdctdsp.h
"
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#include "config.h"
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av_cold
void
ff_fdctdsp_init
(
FDCTDSPContext
*
c
,
AVCodecContext
*avctx)
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{
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const
unsigned
high_bit_depth = avctx->
bits_per_raw_sample
> 8;
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if
(avctx->
bits_per_raw_sample
== 10 || avctx->
bits_per_raw_sample
== 9) {
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c->
fdct
=
ff_jpeg_fdct_islow_10
;
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c->
fdct248
=
ff_fdct248_islow_10
;
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}
else
if
(avctx->
dct_algo
==
FF_DCT_FASTINT
) {
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c->
fdct
=
ff_fdct_ifast
;
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c->
fdct248
=
ff_fdct_ifast248
;
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#if CONFIG_FAANDCT
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}
else
if
(avctx->
dct_algo
==
FF_DCT_FAAN
) {
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c->
fdct
=
ff_faandct
;
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c->
fdct248
=
ff_faandct248
;
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#endif
/* CONFIG_FAANDCT */
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}
else
{
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c->
fdct
=
ff_jpeg_fdct_islow_8
;
// slow/accurate/default
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c->
fdct248
=
ff_fdct248_islow_8
;
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}
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if
(ARCH_PPC)
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ff_fdctdsp_init_ppc
(c, avctx, high_bit_depth);
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if
(ARCH_X86)
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ff_fdctdsp_init_x86
(c, avctx, high_bit_depth);
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}
Generated on Sun Mar 8 2015 02:34:51 for FFmpeg by
1.8.2