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_AUDIO_TRACK_RESOURCE_H_ 6 #define PPAPI_PROXY_MEDIA_STREAM_AUDIO_TRACK_RESOURCE_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/memory/ref_counted.h" 12 #include "ppapi/proxy/media_stream_track_resource_base.h" 13 #include "ppapi/proxy/ppapi_proxy_export.h" 14 #include "ppapi/thunk/ppb_media_stream_audio_track_api.h" 15 16 namespace ppapi { 17 namespace proxy { 18 19 class AudioBufferResource; 20 21 class PPAPI_PROXY_EXPORT MediaStreamAudioTrackResource 22 : public MediaStreamTrackResourceBase, 23 public thunk::PPB_MediaStreamAudioTrack_API { 24 public: 25 MediaStreamAudioTrackResource(Connection connection, 26 PP_Instance instance, 27 int pending_renderer_id, 28 const std::string& id); 29 30 virtual ~MediaStreamAudioTrackResource(); 31 32 // Resource overrides: 33 virtual thunk::PPB_MediaStreamAudioTrack_API* 34 AsPPB_MediaStreamAudioTrack_API() OVERRIDE; 35 36 // PPB_MediaStreamAudioTrack_API overrides: 37 virtual PP_Var GetId() OVERRIDE; 38 virtual PP_Bool HasEnded() OVERRIDE; 39 virtual int32_t Configure(const int32_t attrib_list[], 40 scoped_refptr<TrackedCallback> callback) OVERRIDE; 41 virtual int32_t GetAttrib(PP_MediaStreamAudioTrack_Attrib attrib, 42 int32_t* value) OVERRIDE; 43 virtual int32_t GetBuffer( 44 PP_Resource* buffer, 45 scoped_refptr<TrackedCallback> callback) OVERRIDE; 46 virtual int32_t RecycleBuffer(PP_Resource buffer) OVERRIDE; 47 virtual void Close() OVERRIDE; 48 49 // MediaStreamBufferManager::Delegate overrides: 50 virtual void OnNewBufferEnqueued() OVERRIDE; 51 52 private: 53 PP_Resource GetAudioBuffer(); 54 55 void ReleaseBuffers(); 56 57 // IPC message handlers. 58 void OnPluginMsgConfigureReply(const ResourceMessageReplyParams& params); 59 60 // Allocated buffer resources by |GetBuffer()|. 61 typedef std::map<PP_Resource, scoped_refptr<AudioBufferResource> > BufferMap; 62 BufferMap buffers_; 63 64 PP_Resource* get_buffer_output_; 65 66 scoped_refptr<TrackedCallback> configure_callback_; 67 68 scoped_refptr<TrackedCallback> get_buffer_callback_; 69 70 DISALLOW_COPY_AND_ASSIGN(MediaStreamAudioTrackResource); 71 }; 72 73 } // namespace proxy 74 } // namespace ppapi 75 76 #endif // PPAPI_PROXY_MEDIA_STREAM_AUDIO_TRACK_RESOURCE_H_ 77
