1 // Copyright 2014 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_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_ 6 #define PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_ 7 8 #include "ppapi/proxy/plugin_resource.h" 9 #include "ppapi/proxy/ppapi_proxy_export.h" 10 #include "ppapi/shared_impl/media_stream_buffer_manager.h" 11 12 namespace ppapi { 13 namespace proxy { 14 15 class PPAPI_PROXY_EXPORT MediaStreamTrackResourceBase 16 : public PluginResource, 17 public MediaStreamBufferManager::Delegate { 18 protected: 19 MediaStreamTrackResourceBase(Connection connection, 20 PP_Instance instance, 21 int pending_renderer_id, 22 const std::string& id); 23 24 MediaStreamTrackResourceBase(Connection connection, PP_Instance instance); 25 26 virtual ~MediaStreamTrackResourceBase(); 27 id()28 std::string id() const { return id_; } 29 set_id(const std::string & id)30 void set_id(const std::string& id) { id_ = id; } 31 has_ended()32 bool has_ended() const { return has_ended_; } 33 buffer_manager()34 MediaStreamBufferManager* buffer_manager() { return &buffer_manager_; } 35 36 void CloseInternal(); 37 38 // Sends a buffer index to the corresponding PepperMediaStreamTrackHostBase 39 // via an IPC message. The host adds the buffer index into its 40 // |buffer_manager_| for reading or writing. 41 // Also see |MediaStreamBufferManager|. 42 void SendEnqueueBufferMessageToHost(int32_t index); 43 44 // PluginResource overrides: 45 virtual void OnReplyReceived(const ResourceMessageReplyParams& params, 46 const IPC::Message& msg) OVERRIDE; 47 48 private: 49 // Message handlers: 50 void OnPluginMsgInitBuffers(const ResourceMessageReplyParams& params, 51 int32_t number_of_buffers, 52 int32_t buffer_size, 53 bool readonly); 54 void OnPluginMsgEnqueueBuffer(const ResourceMessageReplyParams& params, 55 int32_t index); 56 void OnPluginMsgEnqueueBuffers(const ResourceMessageReplyParams& params, 57 const std::vector<int32_t>& indices); 58 59 MediaStreamBufferManager buffer_manager_; 60 61 std::string id_; 62 63 bool has_ended_; 64 65 DISALLOW_COPY_AND_ASSIGN(MediaStreamTrackResourceBase); 66 }; 67 68 } // namespace proxy 69 } // namespace ppapi 70 71 #endif // PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_ 72