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vf_overlay_init.c
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1 /*
2  * Copyright (c) 2018 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/x86/cpu.h"
24 #include "libavfilter/vf_overlay.h"
25 
27  int w, ptrdiff_t alinesize);
28 
30  int w, ptrdiff_t alinesize);
31 
33  int w, ptrdiff_t alinesize);
34 
35 av_cold void ff_overlay_init_x86(OverlayContext *s, int format, int pix_format,
36  int alpha_format, int main_has_alpha)
37 {
39 
40  if (EXTERNAL_SSE4(cpu_flags) &&
41  (format == OVERLAY_FORMAT_YUV444 ||
42  format == OVERLAY_FORMAT_GBRP) &&
43  alpha_format == 0 && main_has_alpha == 0) {
47  }
48 
49  if (EXTERNAL_SSE4(cpu_flags) &&
50  (pix_format == AV_PIX_FMT_YUV420P) &&
51  (format == OVERLAY_FORMAT_YUV420) &&
52  alpha_format == 0 && main_has_alpha == 0) {
56  }
57 
58  if (EXTERNAL_SSE4(cpu_flags) &&
59  (format == OVERLAY_FORMAT_YUV422) &&
60  alpha_format == 0 && main_has_alpha == 0) {
64  }
65 }
static const char * format[]
Definition: af_aiir.c:330
int ff_overlay_row_22_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a, int w, ptrdiff_t alinesize)
static atomic_int cpu_flags
Definition: cpu.c:50
Macro definitions for various function/variable attributes.
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
uint8_t
#define av_cold
Definition: attributes.h:82
int(* blend_row[4])(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a, int w, ptrdiff_t alinesize)
Definition: vf_overlay.h:78
uint8_t w
Definition: llviddspenc.c:38
#define s(width, name)
Definition: cbs_vp9.c:257
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
int ff_overlay_row_44_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a, int w, ptrdiff_t alinesize)
av_cold void ff_overlay_init_x86(OverlayContext *s, int format, int pix_format, int alpha_format, int main_has_alpha)
int ff_overlay_row_20_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a, int w, ptrdiff_t alinesize)