FFmpeg
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libavcodec
ppc
idctdsp_init.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 "
libavutil/cpu.h
"
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#include "
libavutil/ppc/cpu.h
"
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#include "
libavcodec/idctdsp.h
"
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#include "
idctdsp_altivec.h
"
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av_cold
void
ff_idctdsp_init_ppc
(
IDCTDSPContext
*
c
,
AVCodecContext
*avctx,
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unsigned
high_bit_depth)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
PPC_ALTIVEC
(
cpu_flags
))
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ff_idctdsp_init_altivec
(
c
, avctx, high_bit_depth);
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}
idctdsp.h
ff_idctdsp_init_altivec
av_cold void ff_idctdsp_init_altivec(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Definition
idctdsp_altivec.c:252
idctdsp_altivec.h
attributes.h
Macro definitions for various function/variable attributes.
av_cold
#define av_cold
Definition
attributes.h:117
cpu_flags
static atomic_int cpu_flags
Definition
cpu.c:56
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition
cpu.c:109
cpu.h
cpu.h
PPC_ALTIVEC
#define PPC_ALTIVEC(flags)
Definition
cpu.h:25
ff_idctdsp_init_ppc
av_cold void ff_idctdsp_init_ppc(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Definition
idctdsp_init.c:27
AVCodecContext
main external API structure.
Definition
avcodec.h:443
IDCTDSPContext
Definition
idctdsp.h:43
c
static double c[64]
Definition
vsrc_mptestsrc.c:89
Generated on Sat Nov 14 2026 19:20:56 for FFmpeg by
1.13.2