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
111
112
113
114
115
116
117
|
/*
* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/video_capture/linux/device_info_pipewire.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <vector>
#include "modules/video_capture/linux/pipewire_session.h"
#include "modules/video_capture/video_capture.h"
#include "modules/video_capture/video_capture_defines.h"
#include "modules/video_capture/video_capture_impl.h"
#include "rtc_base/logging.h"
namespace webrtc {
namespace videocapturemodule {
DeviceInfoPipeWire::DeviceInfoPipeWire(VideoCaptureOptions* options)
: DeviceInfoImpl(), pipewire_session_(options->pipewire_session()) {}
int32_t DeviceInfoPipeWire::Init() {
return 0;
}
DeviceInfoPipeWire::~DeviceInfoPipeWire() = default;
uint32_t DeviceInfoPipeWire::NumberOfDevices() {
RTC_CHECK(pipewire_session_);
return pipewire_session_->nodes().size();
}
int32_t DeviceInfoPipeWire::GetDeviceName(uint32_t deviceNumber,
char* deviceNameUTF8,
uint32_t deviceNameLength,
char* deviceUniqueIdUTF8,
uint32_t deviceUniqueIdUTF8Length,
char* productUniqueIdUTF8,
uint32_t productUniqueIdUTF8Length) {
RTC_CHECK(pipewire_session_);
if (deviceNumber >= NumberOfDevices())
return -1;
const auto& node = pipewire_session_->nodes().at(deviceNumber);
if (deviceNameLength <= node->display_name().length()) {
RTC_LOG(LS_INFO) << "deviceNameUTF8 buffer passed is too small";
return -1;
}
if (deviceUniqueIdUTF8Length <= node->unique_id().length()) {
RTC_LOG(LS_INFO) << "deviceUniqueIdUTF8 buffer passed is too small";
return -1;
}
if (productUniqueIdUTF8 &&
productUniqueIdUTF8Length <= node->model_id().length()) {
RTC_LOG(LS_INFO) << "productUniqueIdUTF8 buffer passed is too small";
return -1;
}
memset(deviceNameUTF8, 0, deviceNameLength);
node->display_name().copy(deviceNameUTF8, deviceNameLength);
memset(deviceUniqueIdUTF8, 0, deviceUniqueIdUTF8Length);
node->unique_id().copy(deviceUniqueIdUTF8, deviceUniqueIdUTF8Length);
if (productUniqueIdUTF8) {
memset(productUniqueIdUTF8, 0, productUniqueIdUTF8Length);
node->model_id().copy(productUniqueIdUTF8, productUniqueIdUTF8Length);
}
return 0;
}
int32_t DeviceInfoPipeWire::CreateCapabilityMap(
const char* deviceUniqueIdUTF8) {
RTC_CHECK(pipewire_session_);
for (auto& node : pipewire_session_->nodes()) {
if (node->unique_id().compare(deviceUniqueIdUTF8) != 0)
continue;
_captureCapabilities = node->capabilities();
_lastUsedDeviceNameLength = node->unique_id().length();
_lastUsedDeviceName = static_cast<char*>(
realloc(_lastUsedDeviceName, _lastUsedDeviceNameLength + 1));
memcpy(_lastUsedDeviceName, deviceUniqueIdUTF8,
_lastUsedDeviceNameLength + 1);
return _captureCapabilities.size();
}
return -1;
}
int32_t DeviceInfoPipeWire::DisplayCaptureSettingsDialogBox(
const char* /*deviceUniqueIdUTF8*/,
const char* /*dialogTitleUTF8*/,
void* /*parentWindow*/,
uint32_t /*positionX*/,
uint32_t /*positionY*/) {
return -1;
}
} // namespace videocapturemodule
} // namespace webrtc
|
