FFmpeg
vf_transpose_init.c
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1 /*
2  * Copyright (C) 2019 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavfilter/transpose.h"
27 
29  ptrdiff_t src_linesize,
30  uint8_t *dst,
31  ptrdiff_t dst_linesize);
32 
34  ptrdiff_t src_linesize,
35  uint8_t *dst,
36  ptrdiff_t dst_linesize);
37 
39 {
41 
42  if (EXTERNAL_SSE2(cpu_flags) && pixstep == 1) {
44  }
45 
46  if (EXTERNAL_SSE2(cpu_flags) && pixstep == 2) {
48  }
49 }
void ff_transpose_8x8_16_sse2(uint8_t *src, ptrdiff_t src_linesize, uint8_t *dst, ptrdiff_t dst_linesize)
Memory handling functions.
av_cold void ff_transpose_init_x86(TransVtable *v, int pixstep)
static atomic_int cpu_flags
Definition: cpu.c:50
#define src
Definition: vp8dsp.c:254
Macro definitions for various function/variable attributes.
uint8_t
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
void ff_transpose_8x8_8_sse2(uint8_t *src, ptrdiff_t src_linesize, uint8_t *dst, ptrdiff_t dst_linesize)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
void(* transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize, uint8_t *dst, ptrdiff_t dst_linesize)
Definition: transpose.h:41