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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
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* |
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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
* 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 |
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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
*/
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "dct.h"
#include "faandct.h"
#include "fdctdsp.h"
#include "config.h"
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
{
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;
c->fdct248 = ff_fdct248_islow_10; |
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} else if (avctx->dct_algo == FF_DCT_FASTINT) {
c->fdct = ff_fdct_ifast;
c->fdct248 = ff_fdct_ifast248; |
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#if CONFIG_FAANDCT |
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} else if (avctx->dct_algo == FF_DCT_FAAN) {
c->fdct = ff_faandct;
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
c->fdct248 = ff_fdct248_islow_8; |
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}
if (ARCH_PPC)
ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
if (ARCH_X86)
ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
} |