| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdint.h> |
| |
| #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 |