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https://github.com/FFmpeg/FFmpeg.git
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54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/*
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* Copyright (c) 2002 Brian Foley
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* Copyright (c) 2002 Dieter Shirley
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* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 <string.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/ppc/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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#include "dsputil_altivec.h"
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av_cold void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx,
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unsigned high_bit_depth)
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{
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if (PPC_ALTIVEC(av_get_cpu_flags())) {
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ff_dsputil_init_altivec(c, avctx, high_bit_depth);
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if (!high_bit_depth) {
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#if CONFIG_ENCODERS
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if (avctx->dct_algo == FF_DCT_AUTO ||
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avctx->dct_algo == FF_DCT_ALTIVEC) {
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c->fdct = ff_fdct_altivec;
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}
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#endif //CONFIG_ENCODERS
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if ((avctx->idct_algo == FF_IDCT_AUTO) ||
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(avctx->idct_algo == FF_IDCT_ALTIVEC)) {
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c->idct_put = ff_idct_put_altivec;
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c->idct_add = ff_idct_add_altivec;
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c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
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}
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}
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}
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}
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