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libavcodec
x86
proresdsp-init.c
Go to the documentation of this file.
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/*
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* Apple ProRes compatible decoder
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*
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* Copyright (c) 2010-2011 Maxim Poliakovski
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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 "
libavcodec/proresdsp.h
"
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void
ff_prores_idct_put_10_sse2
(uint16_t *dst,
int
linesize,
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DCTELEM
*
block
,
const
int16_t *qmat);
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void
ff_prores_idct_put_10_sse4
(uint16_t *dst,
int
linesize,
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DCTELEM
*
block
,
const
int16_t *qmat);
29
void
ff_prores_idct_put_10_avx
(uint16_t *dst,
int
linesize,
30
DCTELEM
*
block
,
const
int16_t *qmat);
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void
ff_proresdsp_x86_init
(
ProresDSPContext
*
dsp
)
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{
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#if ARCH_X86_64 && HAVE_YASM
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int
flags
=
av_get_cpu_flags
();
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if
(flags &
AV_CPU_FLAG_SSE2
) {
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dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
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dsp->
idct_put
=
ff_prores_idct_put_10_sse2
;
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}
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if
(flags &
AV_CPU_FLAG_SSE4
) {
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dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
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dsp->
idct_put
=
ff_prores_idct_put_10_sse4
;
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}
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#if HAVE_AVX
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if
(flags &
AV_CPU_FLAG_AVX
) {
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dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
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dsp->
idct_put
=
ff_prores_idct_put_10_avx
;
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}
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#endif
/* HAVE_AVX */
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#endif
/* ARCH_X86_64 && HAVE_YASM */
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}
AV_CPU_FLAG_AVX
#define AV_CPU_FLAG_AVX
AVX functions: requires OS support even if YMM registers aren't used.
Definition:
cpu.h:40
ProresDSPContext::idct_permutation_type
int idct_permutation_type
Definition:
proresdsp.h:31
ff_prores_idct_put_10_sse2
void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize, DCTELEM *block, const int16_t *qmat)
ProresDSPContext::idct_put
void(* idct_put)(uint16_t *out, int linesize, DCTELEM *block, const int16_t *qmat)
Definition:
proresdsp.h:33
ff_proresdsp_x86_init
void ff_proresdsp_x86_init(ProresDSPContext *dsp)
Definition:
proresdsp-init.c:32
flags
static int flags
Definition:
log.c:34
ff_prores_idct_put_10_sse4
void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize, DCTELEM *block, const int16_t *qmat)
dsp
static DSPContext dsp
Definition:
atrac3.c:135
ProresDSPContext
Definition:
proresdsp.h:30
proresdsp.h
block
static DCTELEM block[64]
Definition:
dct-test.c:189
ff_prores_idct_put_10_avx
void ff_prores_idct_put_10_avx(uint16_t *dst, int linesize, DCTELEM *block, const int16_t *qmat)
AV_CPU_FLAG_SSE4
#define AV_CPU_FLAG_SSE4
Penryn SSE4.1 functions.
Definition:
cpu.h:38
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:22
DCTELEM
short DCTELEM
Definition:
dsputil.h:39
FF_TRANSPOSE_IDCT_PERM
#define FF_TRANSPOSE_IDCT_PERM
Definition:
dsputil.h:510
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition:
cpu.h:31