FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/video.c
Date: 2023-10-02 11:06:47
Exec Total Coverage
Lines: 33 45 73.3%
Functions: 4 4 100.0%
Branches: 16 30 53.3%

Line Branch Exec Source
1 /*
2 * Copyright 2007 Bobby Bingham
3 * Copyright Stefano Sabatini <stefasab gmail com>
4 * Copyright Vitor Sessak <vitor1001 gmail com>
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 <string.h>
24 #include <stdio.h>
25
26 #include "libavutil/buffer.h"
27 #include "libavutil/cpu.h"
28 #include "libavutil/hwcontext.h"
29 #include "libavutil/imgutils.h"
30
31 #include "avfilter.h"
32 #include "framepool.h"
33 #include "internal.h"
34 #include "video.h"
35
36 const AVFilterPad ff_video_default_filterpad[1] = {
37 {
38 .name = "default",
39 .type = AVMEDIA_TYPE_VIDEO,
40 }
41 };
42
43 43031 AVFrame *ff_null_get_video_buffer(AVFilterLink *link, int w, int h)
44 {
45 43031 return ff_get_video_buffer(link->dst->outputs[0], w, h);
46 }
47
48 53596 AVFrame *ff_default_get_video_buffer2(AVFilterLink *link, int w, int h, int align)
49 {
50 53596 AVFrame *frame = NULL;
51 53596 int pool_width = 0;
52 53596 int pool_height = 0;
53 53596 int pool_align = 0;
54 53596 enum AVPixelFormat pool_format = AV_PIX_FMT_NONE;
55
56
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53596 if (link->hw_frames_ctx &&
57 ((AVHWFramesContext*)link->hw_frames_ctx->data)->format == link->format) {
58 int ret;
59 frame = av_frame_alloc();
60
61 if (!frame)
62 return NULL;
63
64 ret = av_hwframe_get_buffer(link->hw_frames_ctx, frame, 0);
65 if (ret < 0)
66 av_frame_free(&frame);
67
68 return frame;
69 }
70
71
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53596 if (!link->frame_pool) {
72 9894 link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
73 4947 link->format, align);
74
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4947 if (!link->frame_pool)
75 return NULL;
76 } else {
77
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48649 if (ff_frame_pool_get_video_config(link->frame_pool,
78 &pool_width, &pool_height,
79 &pool_format, &pool_align) < 0) {
80 return NULL;
81 }
82
83
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48649 if (pool_width != w || pool_height != h ||
84
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48648 pool_format != link->format || pool_align != align) {
85
86 1 ff_frame_pool_uninit((FFFramePool **)&link->frame_pool);
87 2 link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
88 1 link->format, align);
89
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1 if (!link->frame_pool)
90 return NULL;
91 }
92 }
93
94 53596 frame = ff_frame_pool_get(link->frame_pool);
95
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53596 if (!frame)
96 return NULL;
97
98 53596 frame->sample_aspect_ratio = link->sample_aspect_ratio;
99
100 53596 return frame;
101 }
102
103 53596 AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
104 {
105 53596 return ff_default_get_video_buffer2(link, w, h, av_cpu_max_align());
106 }
107
108 93929 AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h)
109 {
110 93929 AVFrame *ret = NULL;
111
112 FF_TPRINTF_START(NULL, get_video_buffer); ff_tlog_link(NULL, link, 1);
113
114
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93929 if (link->dstpad->get_buffer.video)
115 43919 ret = link->dstpad->get_buffer.video(link, w, h);
116
117
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93929 if (!ret)
118 50010 ret = ff_default_get_video_buffer(link, w, h);
119
120 93929 return ret;
121 }
122