src/ppapi/proxy/video_source_resource.h

   1 // Copyright (c) 2013 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.
   4
   5 #ifndef PPAPI_PROXY_VIDEO_SOURCE_RESOURCE_H_
   6 #define PPAPI_PROXY_VIDEO_SOURCE_RESOURCE_H_
   7
   8 #include <string>
   9
  10 #include "ppapi/c/pp_time.h"
  11 #include "ppapi/c/pp_var.h"
  12 #include "ppapi/proxy/connection.h"
  13 #include "ppapi/proxy/plugin_resource.h"
  14 #include "ppapi/proxy/ppapi_proxy_export.h"
  15 #include "ppapi/thunk/ppb_video_source_private_api.h"
  16
  17 struct PP_ImageDataDesc;
  18 struct PP_VideoFrame_Private;
  19
  20 namespace ppapi {
  21
  22 class TrackedCallback;
  23
  24 namespace proxy {
  25
  26 class PPAPI_PROXY_EXPORT VideoSourceResource
  27     : public PluginResource,
  28       public thunk::PPB_VideoSource_Private_API {
  29  public:
  30   VideoSourceResource(Connection connection,
  31                       PP_Instance instance);
  32   virtual ~VideoSourceResource();
  33
  34   // Resource overrides.
  35   virtual thunk::PPB_VideoSource_Private_API*
  36       AsPPB_VideoSource_Private_API() override;
  37
  38   // PPB_VideoSource_Private_API implementation.
  39   virtual int32_t Open(
  40       const PP_Var& stream_url,
  41       scoped_refptr<TrackedCallback> callback) override;
  42   virtual int32_t GetFrame(
  43       PP_VideoFrame_Private* frame,
  44       scoped_refptr<TrackedCallback> callback) override;
  45   virtual void Close() override;
  46
  47  private:
  48   void OnPluginMsgOpenComplete(
  49       const ResourceMessageReplyParams& reply_params);
  50   void OnPluginMsgGetFrameComplete(
  51       PP_VideoFrame_Private* frame,
  52       const ResourceMessageReplyParams& reply_params,
  53       const HostResource& image_data,
  54       const PP_ImageDataDesc& image_desc_data,
  55       PP_TimeTicks timestamp);
  56
  57   scoped_refptr<TrackedCallback> open_callback_;
  58   scoped_refptr<TrackedCallback> get_frame_callback_;
  59   bool is_open_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(VideoSourceResource);
  62 };
  63
  64 }  // namespace proxy
  65 }  // namespace ppapi
  66
  67 #endif  // PPAPI_PROXY_VIDEO_SOURCE_RESOURCE_H_