FFmpeg
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
Examples
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
libavcodec
arm
pixblockdsp_init_arm.c
Go to the documentation of this file.
1
/*
2
* This file is part of FFmpeg.
3
*
4
* FFmpeg is free software; you can redistribute it and/or
5
* modify it under the terms of the GNU Lesser General Public
6
* License as published by the Free Software Foundation; either
7
* version 2.1 of the License, or (at your option) any later version.
8
*
9
* FFmpeg is distributed in the hope that it will be useful,
10
* but WITHOUT ANY WARRANTY; without even the implied warranty of
11
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12
* Lesser General Public License for more details.
13
*
14
* You should have received a copy of the GNU Lesser General Public
15
* License along with FFmpeg; if not, write to the Free Software
16
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
*/
18
19
#include <stdint.h>
20
21
#include "
libavutil/attributes.h
"
22
#include "
libavutil/cpu.h
"
23
#include "
libavutil/arm/cpu.h
"
24
#include "
libavcodec/avcodec.h
"
25
#include "
libavcodec/pixblockdsp.h
"
26
27
void
ff_get_pixels_armv6
(int16_t *
block
,
const
uint8_t
*
pixels
,
28
ptrdiff_t
stride
);
29
void
ff_diff_pixels_armv6
(int16_t *
block
,
const
uint8_t
*
s1
,
30
const
uint8_t
*
s2
, ptrdiff_t
stride
);
31
32
av_cold
void
ff_pixblockdsp_init_arm
(
PixblockDSPContext
*
c
,
33
AVCodecContext
*avctx,
34
unsigned
high_bit_depth)
35
{
36
int
cpu_flags
=
av_get_cpu_flags
();
37
38
if
(
have_armv6
(cpu_flags)) {
39
if
(!high_bit_depth)
40
c->
get_pixels
=
ff_get_pixels_armv6
;
41
c->
diff_pixels
=
ff_diff_pixels_armv6
;
42
}
43
}
pixblockdsp.h
have_armv6
#define have_armv6(flags)
Definition:
cpu.h:27
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:48
attributes.h
Macro definitions for various function/variable attributes.
block
static int16_t block[64]
Definition:
dct.c:115
uint8_t
uint8_t
Definition:
audio_convert.c:194
av_cold
#define av_cold
Definition:
attributes.h:82
PixblockDSPContext::diff_pixels
void(* diff_pixels)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition:
pixblockdsp.h:32
s2
#define s2
Definition:
regdef.h:39
PixblockDSPContext::get_pixels
void(* get_pixels)(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t stride)
Definition:
pixblockdsp.h:29
ff_get_pixels_armv6
void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, ptrdiff_t stride)
ff_pixblockdsp_init_arm
av_cold void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Definition:
pixblockdsp_init_arm.c:32
cpu.h
avcodec.h
Libavcodec external API header.
cpu.h
AVCodecContext
main external API structure.
Definition:
avcodec.h:1732
PixblockDSPContext
Definition:
pixblockdsp.h:28
s1
#define s1
Definition:
regdef.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:89
stride
GLint GLenum GLboolean GLsizei stride
Definition:
opengl_enc.c:105
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
ff_diff_pixels_armv6
void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
pixels
int pixels
Definition:
avisynth_c.h:429
Generated on Fri Jan 12 2018 01:45:35 for FFmpeg by
1.8.6