FFmpeg
2.1.1
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
Examples
File List
Globals
libavcodec
x86
proresdsp_init.c
Go to the documentation of this file.
1
/*
2
* Apple ProRes compatible decoder
3
*
4
* Copyright (c) 2010-2011 Maxim Poliakovski
5
*
6
* This file is part of FFmpeg.
7
*
8
* FFmpeg is free software; you can redistribute it and/or
9
* modify it under the terms of the GNU Lesser General Public
10
* License as published by the Free Software Foundation; either
11
* version 2.1 of the License, or (at your option) any later version.
12
*
13
* FFmpeg is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
* Lesser General Public License for more details.
17
*
18
* You should have received a copy of the GNU Lesser General Public
19
* License along with FFmpeg; if not, write to the Free Software
20
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
*/
22
23
#include "libavutil/attributes.h"
24
#include "
libavutil/x86/cpu.h
"
25
#include "
libavcodec/dsputil.h
"
26
#include "
libavcodec/proresdsp.h
"
27
28
void
ff_prores_idct_put_10_sse2
(uint16_t *dst,
int
linesize,
29
int16_t *
block
,
const
int16_t *qmat);
30
void
ff_prores_idct_put_10_sse4
(uint16_t *dst,
int
linesize,
31
int16_t *
block
,
const
int16_t *qmat);
32
void
ff_prores_idct_put_10_avx
(uint16_t *dst,
int
linesize,
33
int16_t *
block
,
const
int16_t *qmat);
34
35
av_cold
void
ff_proresdsp_x86_init
(
ProresDSPContext
*dsp,
AVCodecContext
*avctx)
36
{
37
#if ARCH_X86_64
38
int
cpu_flags
=
av_get_cpu_flags
();
39
40
if
(avctx->
flags
&
CODEC_FLAG_BITEXACT
)
41
return
;
42
43
if
(
EXTERNAL_SSE2
(cpu_flags)) {
44
dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
45
dsp->
idct_put
=
ff_prores_idct_put_10_sse2
;
46
}
47
48
if
(
EXTERNAL_SSE4
(cpu_flags)) {
49
dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
50
dsp->
idct_put
=
ff_prores_idct_put_10_sse4
;
51
}
52
53
if
(
EXTERNAL_AVX
(cpu_flags)) {
54
dsp->
idct_permutation_type
=
FF_TRANSPOSE_IDCT_PERM
;
55
dsp->
idct_put
=
ff_prores_idct_put_10_avx
;
56
}
57
#endif
/* ARCH_X86_64 */
58
}
ProresDSPContext::idct_permutation_type
int idct_permutation_type
Definition:
proresdsp.h:32
av_cold
#define av_cold
Definition:
avcodec.h:653
cpu.h
CODEC_FLAG_BITEXACT
#define CODEC_FLAG_BITEXACT
Use only bitexact stuff (except (I)DCT).
Definition:
avcodec.h:714
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:52
AVCodecContext::flags
int flags
CODEC_FLAG_*.
Definition:
avcodec.h:1234
ProresDSPContext
Definition:
proresdsp.h:31
proresdsp.h
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition:
cpu.h:53
ff_prores_idct_put_10_sse4
void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize, int16_t *block, const int16_t *qmat)
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition:
cpu.h:51
cpu_flags
static int cpu_flags
Definition:
dct-test.c:77
AVCodecContext
main external API structure.
Definition:
avcodec.h:1146
ProresDSPContext::idct_put
void(* idct_put)(uint16_t *out, int linesize, int16_t *block, const int16_t *qmat)
Definition:
proresdsp.h:36
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition:
cpu.h:48
ff_prores_idct_put_10_avx
void ff_prores_idct_put_10_avx(uint16_t *dst, int linesize, int16_t *block, const int16_t *qmat)
ff_prores_idct_put_10_sse2
void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize, int16_t *block, const int16_t *qmat)
dsputil.h
DSP utils.
FF_TRANSPOSE_IDCT_PERM
#define FF_TRANSPOSE_IDCT_PERM
Definition:
dsputil.h:251
ff_proresdsp_x86_init
void ff_proresdsp_x86_init(ProresDSPContext *dsp, AVCodecContext *avctx)
Definition:
proresdsp_init.c:35
block
static int16_t block[64]
Definition:
dct-test.c:198
Generated on Tue Dec 3 2013 09:58:14 for FFmpeg by
1.8.5