FFmpeg
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libavcodec
x86
apv_dsp_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 "config.h"
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#include "
libavutil/attributes.h
"
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#include "
libavutil/cpu.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "
libavcodec/apv_dsp.h
"
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#if ARCH_X86_64
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void
ff_apv_decode_transquant_avx2(
void
*output,
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ptrdiff_t pitch,
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const
int16_t *input,
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const
int16_t *qmatrix,
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int
bit_depth
,
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int
qp_shift);
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av_cold
void
ff_apv_dsp_init_x86_64
(
APVDSPContext
*dsp)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
EXTERNAL_AVX2_FAST
(
cpu_flags
)) {
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dsp->
decode_transquant
= ff_apv_decode_transquant_avx2;
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}
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}
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#endif
/* ARCH_X86_64 */
bit_depth
static void bit_depth(AudioStatsContext *s, const uint64_t *const mask, uint8_t *depth)
Definition
af_astats.c:246
apv_dsp.h
ff_apv_dsp_init_x86_64
void ff_apv_dsp_init_x86_64(APVDSPContext *dsp)
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
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition
cpu.h:73
APVDSPContext
Definition
apv_dsp.h:26
APVDSPContext::decode_transquant
void(* decode_transquant)(void *output, ptrdiff_t pitch, const int16_t *input, const int16_t *qmatrix, int bit_depth, int qp_shift)
Definition
apv_dsp.h:27
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