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libavcodec
arm
mpegvideoencdsp_init_arm.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 <stdint.h>
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#include "
libavutil/cpu.h
"
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#include "
libavutil/arm/cpu.h
"
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#include "
libavcodec/avcodec.h
"
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#include "
libavcodec/mpegvideoencdsp.h
"
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int
ff_pix_norm1_armv6
(
uint8_t
*pix,
int
line_size);
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int
ff_pix_sum_armv6
(
uint8_t
*pix,
int
line_size);
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av_cold
void
ff_mpegvideoencdsp_init_arm
(
MpegvideoEncDSPContext
*
c
,
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AVCodecContext
*avctx)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
have_armv6
(cpu_flags)) {
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c->
pix_norm1
=
ff_pix_norm1_armv6
;
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c->
pix_sum
=
ff_pix_sum_armv6
;
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}
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}
have_armv6
#define have_armv6(flags)
Definition:
cpu.h:27
mpegvideoencdsp.h
ff_pix_sum_armv6
int ff_pix_sum_armv6(uint8_t *pix, int line_size)
uint8_t
uint8_t
Definition:
audio_convert.c:194
av_cold
#define av_cold
Definition:
attributes.h:82
MpegvideoEncDSPContext
Definition:
mpegvideoencdsp.h:32
MpegvideoEncDSPContext::pix_sum
int(* pix_sum)(uint8_t *pix, int line_size)
Definition:
mpegvideoencdsp.h:37
ff_pix_norm1_armv6
int ff_pix_norm1_armv6(uint8_t *pix, int line_size)
cpu.h
avcodec.h
Libavcodec external API header.
cpu.h
ff_mpegvideoencdsp_init_arm
av_cold void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
Definition:
mpegvideoencdsp_init_arm.c:29
AVCodecContext
main external API structure.
Definition:
avcodec.h:1676
MpegvideoEncDSPContext::pix_norm1
int(* pix_norm1)(uint8_t *pix, int line_size)
Definition:
mpegvideoencdsp.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:76
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
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