1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ppapi/c/pp_errors.h"
6 #include "ppapi/shared_impl/ppb_device_ref_shared.h"
7 #include "ppapi/shared_impl/tracked_callback.h"
8 #include "ppapi/thunk/enter.h"
9 #include "ppapi/thunk/ppb_device_ref_api.h"
10 #include "ppapi/thunk/ppb_video_capture_api.h"
11 #include "ppapi/thunk/resource_creation_api.h"
12 #include "ppapi/thunk/thunk.h"
19 typedef EnterResource<PPB_VideoCapture_API> EnterVideoCapture;
21 PP_Resource Create(PP_Instance instance) {
22 EnterResourceCreation enter(instance);
25 return enter.functions()->CreateVideoCapture(instance);
28 PP_Bool IsVideoCapture(PP_Resource resource) {
29 EnterVideoCapture enter(resource, false);
30 return PP_FromBool(enter.succeeded());
33 int32_t EnumerateDevices0_2(PP_Resource video_capture,
35 PP_CompletionCallback callback) {
36 EnterVideoCapture enter(video_capture, callback, true);
38 return enter.retval();
40 return enter.SetResult(enter.object()->EnumerateDevices0_2(devices,
44 int32_t EnumerateDevices(PP_Resource video_capture,
45 PP_ArrayOutput output,
46 PP_CompletionCallback callback) {
47 EnterVideoCapture enter(video_capture, callback, true);
49 return enter.retval();
51 return enter.SetResult(enter.object()->EnumerateDevices(output,
55 int32_t MonitorDeviceChange(PP_Resource video_capture,
56 PP_MonitorDeviceChangeCallback callback,
58 EnterVideoCapture enter(video_capture, true);
60 return enter.retval();
61 return enter.object()->MonitorDeviceChange(callback, user_data);
64 int32_t Open(PP_Resource video_capture,
65 PP_Resource device_ref,
66 const PP_VideoCaptureDeviceInfo_Dev* requested_info,
67 uint32_t buffer_count,
68 PP_CompletionCallback callback) {
69 EnterVideoCapture enter(video_capture, callback, true);
71 return enter.retval();
73 std::string device_id;
74 // |device_id| remains empty if |device_ref| is 0, which means the default
76 if (device_ref != 0) {
77 EnterResourceNoLock<PPB_DeviceRef_API> enter_device_ref(device_ref, true);
78 if (enter_device_ref.failed())
79 return enter.SetResult(PP_ERROR_BADRESOURCE);
80 device_id = enter_device_ref.object()->GetDeviceRefData().id;
83 return enter.SetResult(enter.object()->Open(
84 device_id, *requested_info, buffer_count, enter.callback()));
87 int32_t StartCapture(PP_Resource video_capture) {
88 EnterVideoCapture enter(video_capture, true);
90 return enter.retval();
91 return enter.object()->StartCapture();
94 int32_t ReuseBuffer(PP_Resource video_capture,
96 EnterVideoCapture enter(video_capture, true);
98 return enter.retval();
99 return enter.object()->ReuseBuffer(buffer);
102 int32_t StopCapture(PP_Resource video_capture) {
103 EnterVideoCapture enter(video_capture, true);
105 return enter.retval();
106 return enter.object()->StopCapture();
109 void Close(PP_Resource video_capture) {
110 EnterVideoCapture enter(video_capture, true);
111 if (enter.succeeded())
112 enter.object()->Close();
115 const PPB_VideoCapture_Dev_0_2 g_ppb_video_capture_0_2_thunk = {
118 &EnumerateDevices0_2,
126 const PPB_VideoCapture_Dev_0_3 g_ppb_video_capture_0_3_thunk = {
130 &MonitorDeviceChange,
140 const PPB_VideoCapture_Dev_0_2* GetPPB_VideoCapture_Dev_0_2_Thunk() {
141 return &g_ppb_video_capture_0_2_thunk;
144 const PPB_VideoCapture_Dev_0_3* GetPPB_VideoCapture_Dev_0_3_Thunk() {
145 return &g_ppb_video_capture_0_3_thunk;