1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Copyright (C) 2024 Metrological Group B.V.
* Copyright (C) 2024 Igalia S.L
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#if USE(GSTREAMER) && USE(TEXTURE_MAPPER_DMABUF)
#include "DMABufColorSpace.h"
#include "DMABufFormat.h"
#include "GBMBufferSwapchain.h"
#include "GStreamerCommon.h"
#include <gbm.h>
#include <gst/video/video.h>
#include <wtf/Lock.h>
namespace WebCore {
// GStreamer's gst_video_format_to_fourcc() doesn't cover RGB-like formats, so we
// provide the appropriate FourCC values for those through this function.
inline uint32_t dmaBufFourccValue(GstVideoFormat format)
{
switch (format) {
case GST_VIDEO_FORMAT_RGBx:
return uint32_t(DMABufFormat::FourCC::XBGR8888);
case GST_VIDEO_FORMAT_BGRx:
return uint32_t(DMABufFormat::FourCC::XRGB8888);
case GST_VIDEO_FORMAT_xRGB:
return uint32_t(DMABufFormat::FourCC::BGRX8888);
case GST_VIDEO_FORMAT_xBGR:
return uint32_t(DMABufFormat::FourCC::RGBX8888);
case GST_VIDEO_FORMAT_RGBA:
return uint32_t(DMABufFormat::FourCC::ABGR8888);
case GST_VIDEO_FORMAT_BGRA:
return uint32_t(DMABufFormat::FourCC::ARGB8888);
case GST_VIDEO_FORMAT_ARGB:
return uint32_t(DMABufFormat::FourCC::BGRA8888);
case GST_VIDEO_FORMAT_ABGR:
return uint32_t(DMABufFormat::FourCC::RGBA8888);
case GST_VIDEO_FORMAT_P010_10LE:
case GST_VIDEO_FORMAT_P010_10BE:
return uint32_t(DMABufFormat::FourCC::P010);
case GST_VIDEO_FORMAT_P016_LE:
case GST_VIDEO_FORMAT_P016_BE:
return uint32_t(DMABufFormat::FourCC::P016);
default:
break;
}
return gst_video_format_to_fourcc(format);
}
inline DMABufColorSpace dmaBufColorSpaceForColorimetry(const GstVideoColorimetry* cinfo)
{
if (gst_video_colorimetry_matches(cinfo, GST_VIDEO_COLORIMETRY_SRGB))
return DMABufColorSpace::SRGB;
if (gst_video_colorimetry_matches(cinfo, GST_VIDEO_COLORIMETRY_BT601))
return DMABufColorSpace::BT601;
if (gst_video_colorimetry_matches(cinfo, GST_VIDEO_COLORIMETRY_BT709))
return DMABufColorSpace::BT709;
if (gst_video_colorimetry_matches(cinfo, GST_VIDEO_COLORIMETRY_BT2020))
return DMABufColorSpace::BT2020;
if (gst_video_colorimetry_matches(cinfo, GST_VIDEO_COLORIMETRY_SMPTE240M))
return DMABufColorSpace::SMPTE240M;
return DMABufColorSpace::Invalid;
}
// Destination helper struct, maps the gbm_bo object into CPU-memory space and copies from the accompanying Source.
struct DMABufDestination {
static Lock& mappingLock()
{
static Lock s_mappingLock;
return s_mappingLock;
}
DMABufDestination(struct gbm_bo*, uint32_t width, uint32_t height);
~DMABufDestination();
void copyPlaneData(GstVideoFrame*, unsigned planeIndex);
bool isValid { false };
struct gbm_bo* bo { nullptr };
void* map { nullptr };
void* mapData { nullptr };
uint8_t* data { nullptr };
uint32_t height { 0 };
uint32_t stride { 0 };
};
bool fillSwapChainBuffer(const RefPtr<GBMBufferSwapchain::Buffer>&, const GRefPtr<GstSample>&);
} // namespace WebCore
#endif // USE(GSTREAMER) && USE(TEXTURE_MAPPER_DMABUF)
|
