diff options
Diffstat (limited to 'media/audio/audio_output_controller.h')
| -rw-r--r-- | media/audio/audio_output_controller.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/media/audio/audio_output_controller.h b/media/audio/audio_output_controller.h index e9ed321..8208e28 100644 --- a/media/audio/audio_output_controller.h +++ b/media/audio/audio_output_controller.h @@ -14,6 +14,7 @@ #include "media/audio/simple_sources.h" class MessageLoop; +class Task; // An AudioOutputController controls an AudioOutputStream and provides data // to this output stream. It has an important function that it executes @@ -134,13 +135,14 @@ class AudioOutputController // has effect when the stream is paused. void Flush(); - // Closes the audio output stream. It changes state to kClosed and returns - // right away. The physical resources are freed on the audio thread if - // neccessary. + // Closes the audio output stream. The state is changed and the resources + // are freed on the audio thread. closed_task is executed after that. + // Callbacks (EventHandler and SyncReader) must exist until closed_task is + // called. // // It is safe to call this method more than once. Calls after the first one // will have no effect. - void Close(); + void Close(Task* closed_task); // Sets the volume of the audio output stream. void SetVolume(double volume); @@ -168,7 +170,7 @@ class AudioOutputController void DoPlay(); void DoPause(); void DoFlush(); - void DoClose(); + void DoClose(Task* closed_task); void DoSetVolume(double volume); void DoReportError(int code); @@ -190,8 +192,7 @@ class AudioOutputController uint32 hardware_pending_bytes_; base::Time last_callback_time_; - // The |lock_| must be acquired whenever we access |state_| or call - // |handler_|. + // The |lock_| must be acquired whenever we access |push_source_|. Lock lock_; // PushSource role is to buffer and it's only used in regular latency mode. |