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
118
119
120
121
122
123
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/c/pp_errors.h"
#include "ppapi/shared_impl/ppb_device_ref_shared.h"
#include "ppapi/shared_impl/tracked_callback.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_device_ref_api.h"
#include "ppapi/thunk/ppb_video_capture_api.h"
#include "ppapi/thunk/resource_creation_api.h"
#include "ppapi/thunk/thunk.h"
namespace ppapi {
namespace thunk {
namespace {
typedef EnterResource<PPB_VideoCapture_API> EnterVideoCapture;
PP_Resource Create(PP_Instance instance) {
EnterResourceCreation enter(instance);
if (enter.failed())
return 0;
return enter.functions()->CreateVideoCapture(instance);
}
PP_Bool IsVideoCapture(PP_Resource resource) {
EnterVideoCapture enter(resource, false);
return PP_FromBool(enter.succeeded());
}
int32_t EnumerateDevices(PP_Resource video_capture,
PP_ArrayOutput output,
PP_CompletionCallback callback) {
EnterVideoCapture enter(video_capture, callback, true);
if (enter.failed())
return enter.retval();
return enter.SetResult(enter.object()->EnumerateDevices(output,
enter.callback()));
}
int32_t MonitorDeviceChange(PP_Resource video_capture,
PP_MonitorDeviceChangeCallback callback,
void* user_data) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->MonitorDeviceChange(callback, user_data);
}
int32_t Open(PP_Resource video_capture,
PP_Resource device_ref,
const PP_VideoCaptureDeviceInfo_Dev* requested_info,
uint32_t buffer_count,
PP_CompletionCallback callback) {
EnterVideoCapture enter(video_capture, callback, true);
if (enter.failed())
return enter.retval();
std::string device_id;
// |device_id| remains empty if |device_ref| is 0, which means the default
// device.
if (device_ref != 0) {
EnterResourceNoLock<PPB_DeviceRef_API> enter_device_ref(device_ref, true);
if (enter_device_ref.failed())
return enter.SetResult(PP_ERROR_BADRESOURCE);
device_id = enter_device_ref.object()->GetDeviceRefData().id;
}
return enter.SetResult(enter.object()->Open(
device_id, *requested_info, buffer_count, enter.callback()));
}
int32_t StartCapture(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->StartCapture();
}
int32_t ReuseBuffer(PP_Resource video_capture,
uint32_t buffer) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->ReuseBuffer(buffer);
}
int32_t StopCapture(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->StopCapture();
}
void Close(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.succeeded())
enter.object()->Close();
}
const PPB_VideoCapture_Dev_0_3 g_ppb_video_capture_0_3_thunk = {
&Create,
&IsVideoCapture,
&EnumerateDevices,
&MonitorDeviceChange,
&Open,
&StartCapture,
&ReuseBuffer,
&StopCapture,
&Close
};
} // namespace
const PPB_VideoCapture_Dev_0_3* GetPPB_VideoCapture_Dev_0_3_Thunk() {
return &g_ppb_video_capture_0_3_thunk;
}
} // namespace thunk
} // namespace ppapi
|
