OLD | NEW |
---|---|
(Empty) | |
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. | |
4 // | |
5 // MessageFilter that handles audio messages and delegates them to audio | |
6 // renderers. Created on render thread, AudioMessageFilter is operated on | |
7 // IO thread (secondary thread of render process) it intercepts audio messages | |
8 // and process them on IO thread since these messages are time critical. | |
9 | |
10 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_OUTPUT_IPC_H_ | |
11 #define CONTENT_RENDERER_MEDIA_AUDIO_OUTPUT_IPC_H_ | |
12 | |
13 #include "base/gtest_prod_util.h" | |
14 #include "base/id_map.h" | |
15 #include "base/shared_memory.h" | |
16 #include "base/sync_socket.h" | |
17 #include "content/common/content_export.h" | |
18 #include "ipc/ipc_channel_proxy.h" | |
19 #include "media/audio/audio_buffers_state.h" | |
20 #include "media/audio/audio_output_ipc.h" | |
21 | |
22 class AudioMessageFilter; | |
23 | |
24 class CONTENT_EXPORT AudioOutputIPC | |
tommi (sloooow) - chröme
2012/07/31 10:52:41
I don't think it's a good idea to call this class
sail
2012/07/31 22:02:08
Done.
| |
25 : public NON_EXPORTED_BASE(media::AudioOutputIPC) { | |
26 public: | |
27 explicit AudioOutputIPC(int render_view_id); | |
28 virtual ~AudioOutputIPC(); | |
29 | |
30 // media::AudioOutputIPC implementation. | |
31 virtual int AddDelegate(media::AudioOutputIPCDelegate* delegate) OVERRIDE; | |
32 virtual void RemoveDelegate(int id) OVERRIDE; | |
33 virtual void CreateStream(int stream_id, | |
34 const media::AudioParameters& params) OVERRIDE; | |
35 virtual void PlayStream(int stream_id) OVERRIDE; | |
36 virtual void PauseStream(int stream_id) OVERRIDE; | |
37 virtual void FlushStream(int stream_id) OVERRIDE; | |
38 virtual void CloseStream(int stream_id) OVERRIDE; | |
39 virtual void SetVolume(int stream_id, double volume) OVERRIDE; | |
40 | |
41 private: | |
42 | |
43 // Sends an IPC message using |filter_|. | |
44 bool Send(IPC::Message* message); | |
45 | |
46 // Cached audio message filter (lives on the main render thread). | |
47 scoped_refptr<AudioMessageFilter> filter_; | |
48 | |
49 // A map of stream ids to delegates. | |
50 IDMap<media::AudioOutputIPCDelegate> delegates_; | |
51 | |
52 const int render_view_id_; | |
53 | |
54 DISALLOW_COPY_AND_ASSIGN(AudioOutputIPC); | |
55 }; | |
56 | |
57 #endif // CONTENT_RENDERER_MEDIA_AUDIO_OUTPUT_IPC_H_ | |
OLD | NEW |