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libavcodec
x86
dnxhdenc_init.c
Go to the documentation of this file.
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/*
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* VC3/DNxHD SIMD functions
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* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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*
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* VC-3 encoder funded by the British Broadcasting Corporation
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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/x86/cpu.h
"
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#include "
libavcodec/dnxhdenc.h
"
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void
ff_get_pixels_8x4_sym_sse2
(int16_t *
block
,
const
uint8_t
*pixels,
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ptrdiff_t line_size);
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av_cold
void
ff_dnxhdenc_init_x86
(
DNXHDEncContext
*ctx)
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{
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if
(
EXTERNAL_SSE2
(
av_get_cpu_flags
())) {
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if
(ctx->
cid_table
->
bit_depth
== 8)
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ctx->
get_pixels_8x4_sym
=
ff_get_pixels_8x4_sym_sse2
;
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}
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}
ff_get_pixels_8x4_sym_sse2
void ff_get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size)
cpu.h
ff_dnxhdenc_init_x86
av_cold void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
Definition:
dnxhdenc_init.c:31
attributes.h
Macro definitions for various function/variable attributes.
uint8_t
uint8_t
Definition:
audio_convert.c:194
av_cold
#define av_cold
Definition:
attributes.h:74
DNXHDEncContext::get_pixels_8x4_sym
void(* get_pixels_8x4_sym)(int16_t *, const uint8_t *, ptrdiff_t)
Definition:
dnxhdenc.h:93
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition:
cpu.h:50
dnxhdenc.h
CIDEntry::bit_depth
int bit_depth
Definition:
dnxhddata.h:36
DNXHDEncContext
Definition:
dnxhdenc.h:42
DNXHDEncContext::cid_table
const CIDEntry * cid_table
Definition:
dnxhdenc.h:48
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:75
block
static int16_t block[64]
Definition:
dct-test.c:110
Generated on Sun May 24 2015 19:51:12 for FFmpeg by
1.8.8