src/ppapi/proxy/media_stream_audio_track_resource.h

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