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 #ifndef PPAPI_PROXY_VIDEO_CAPTURE_RESOURCE_H_
6 #define PPAPI_PROXY_VIDEO_CAPTURE_RESOURCE_H_
8 #include "base/compiler_specific.h"
9 #include "ppapi/c/dev/ppp_video_capture_dev.h"
10 #include "ppapi/proxy/device_enumeration_resource_helper.h"
11 #include "ppapi/proxy/plugin_resource.h"
12 #include "ppapi/thunk/ppb_video_capture_api.h"
17 class VideoCaptureResource
18 : public PluginResource
,
19 public ::ppapi::thunk::PPB_VideoCapture_API
{
21 VideoCaptureResource(Connection connection
,
23 PluginDispatcher
* dispatcher
);
24 virtual ~VideoCaptureResource();
26 // PluginResource override.
27 virtual thunk::PPB_VideoCapture_API
* AsPPB_VideoCapture_API() OVERRIDE
{
31 // PPB_VideoCapture_API implementation.
32 virtual int32_t EnumerateDevices(
33 const PP_ArrayOutput
& output
,
34 scoped_refptr
<TrackedCallback
> callback
) OVERRIDE
;
35 virtual int32_t MonitorDeviceChange(
36 PP_MonitorDeviceChangeCallback callback
,
37 void* user_data
) OVERRIDE
;
38 virtual int32_t Open(const std::string
& device_id
,
39 const PP_VideoCaptureDeviceInfo_Dev
& requested_info
,
40 uint32_t buffer_count
,
41 scoped_refptr
<TrackedCallback
> callback
) OVERRIDE
;
42 virtual int32_t StartCapture() OVERRIDE
;
43 virtual int32_t ReuseBuffer(uint32_t buffer
) OVERRIDE
;
44 virtual int32_t StopCapture() OVERRIDE
;
45 virtual void Close() OVERRIDE
;
46 virtual int32_t EnumerateDevicesSync(const PP_ArrayOutput
& devices
) OVERRIDE
;
50 virtual void LastPluginRefWasDeleted() OVERRIDE
;
59 // PluginResource overrides.
60 virtual void OnReplyReceived(const ResourceMessageReplyParams
& params
,
61 const IPC::Message
& msg
) OVERRIDE
;
63 void OnPluginMsgOnDeviceInfo(const ResourceMessageReplyParams
& params
,
64 const struct PP_VideoCaptureDeviceInfo_Dev
& info
,
65 const std::vector
<HostResource
>& buffers
,
66 uint32_t buffer_size
);
67 void OnPluginMsgOnStatus(const ResourceMessageReplyParams
& params
,
69 void OnPluginMsgOnError(const ResourceMessageReplyParams
& params
,
71 void OnPluginMsgOnBufferReady(const ResourceMessageReplyParams
& params
,
74 void OnPluginMsgOpenReply(const ResourceMessageReplyParams
& params
);
76 void SetBufferInUse(uint32_t buffer_index
);
78 // Points to the C interface of client implementation.
79 const PPP_VideoCapture_Dev
* ppp_video_capture_impl_
;
81 // Indicates that the i-th buffer is currently in use.
82 std::vector
<bool> buffer_in_use_
;
84 // Holds a reference of the callback so that Close() can cancel it.
85 scoped_refptr
<TrackedCallback
> open_callback_
;
86 OpenState open_state_
;
88 DeviceEnumerationResourceHelper enumeration_helper_
;
90 DISALLOW_COPY_AND_ASSIGN(VideoCaptureResource
);
96 #endif // PPAPI_PROXY_VIDEO_CAPTURE_RESOURCE_H_