FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/x86/vf_overlay_init.c
Date: 2025-10-10 03:51:19
Exec Total Coverage
Lines: 10 27 37.0%
Functions: 1 1 100.0%
Branches: 3 28 10.7%

Line Branch Exec Source
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
26 int ff_overlay_row_44_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
27 int w, ptrdiff_t alinesize);
28
29 int ff_overlay_row_20_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
30 int w, ptrdiff_t alinesize);
31
32 int ff_overlay_row_22_sse4(uint8_t *d, uint8_t *da, uint8_t *s, uint8_t *a,
33 int w, ptrdiff_t alinesize);
34
35 735 av_cold void ff_overlay_init_x86(AVFilterContext *ctx)
36 {
37 735 OverlayContext *s = ctx->priv;
38 735 const AVFilterLink *main = ctx->inputs[0];
39 735 const AVFilterLink *overlay = ctx->inputs[0];
40 735 int cpu_flags = av_get_cpu_flags();
41 735 int main_has_alpha = s->main_has_alpha;
42
43
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735 if (EXTERNAL_SSE4(cpu_flags) &&
44 (s->format == OVERLAY_FORMAT_YUV444 ||
45 s->format == OVERLAY_FORMAT_GBRP) &&
46 overlay->alpha_mode != AVALPHA_MODE_PREMULTIPLIED && !main_has_alpha) {
47 s->blend_row[0] = ff_overlay_row_44_sse4;
48 s->blend_row[1] = ff_overlay_row_44_sse4;
49 s->blend_row[2] = ff_overlay_row_44_sse4;
50 }
51
52
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735 if (EXTERNAL_SSE4(cpu_flags) &&
53 (main->format == AV_PIX_FMT_YUV420P) &&
54 (s->format == OVERLAY_FORMAT_YUV420) &&
55 overlay->alpha_mode != AVALPHA_MODE_PREMULTIPLIED && !main_has_alpha) {
56 s->blend_row[0] = ff_overlay_row_44_sse4;
57 s->blend_row[1] = ff_overlay_row_20_sse4;
58 s->blend_row[2] = ff_overlay_row_20_sse4;
59 }
60
61
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735 if (EXTERNAL_SSE4(cpu_flags) &&
62 (s->format == OVERLAY_FORMAT_YUV422) &&
63 overlay->alpha_mode != AVALPHA_MODE_PREMULTIPLIED && !main_has_alpha) {
64 s->blend_row[0] = ff_overlay_row_44_sse4;
65 s->blend_row[1] = ff_overlay_row_22_sse4;
66 s->blend_row[2] = ff_overlay_row_22_sse4;
67 }
68 735 }
69