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65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
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* Copyright (c) 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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/ppc/cpu.h"
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#include "libavutil/ppc/types_altivec.h"
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#include "libavutil/ppc/util_altivec.h"
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#include "libavcodec/h264chroma.h"
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#if HAVE_ALTIVEC && HAVE_BIGENDIAN
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#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
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#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
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#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
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#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec
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#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num
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#include "h264chroma_template.c"
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#undef OP_U8_ALTIVEC
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#undef PREFIX_h264_chroma_mc8_altivec
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#undef PREFIX_h264_chroma_mc8_num
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#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
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#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec
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#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num
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#include "h264chroma_template.c"
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#undef OP_U8_ALTIVEC
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#undef PREFIX_h264_chroma_mc8_altivec
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#undef PREFIX_h264_chroma_mc8_num
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#endif /* HAVE_ALTIVEC */
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av_cold void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth)
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{
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#if HAVE_ALTIVEC && HAVE_BIGENDIAN
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const int high_bit_depth = bit_depth > 8;
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if (!PPC_ALTIVEC(av_get_cpu_flags()))
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return;
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if (!high_bit_depth) {
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c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
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c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
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}
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#endif /* HAVE_ALTIVEC */
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}
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