diff options
Diffstat (limited to 'include/media/AudioRecord.h')
| -rw-r--r-- | include/media/AudioRecord.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/media/AudioRecord.h b/include/media/AudioRecord.h index 4d8bd32..c4c7b0e 100644 --- a/include/media/AudioRecord.h +++ b/include/media/AudioRecord.h @@ -394,6 +394,39 @@ public: * TODO Document this method. */ audio_port_handle_t getInputDevice(); + + /* Returns the ID of the audio device actually used by the input to which this AudioRecord + * is attached. + * A value of AUDIO_PORT_HANDLE_NONE indicates the AudioRecord is not attached to any input. + * + * Parameters: + * none. + */ + audio_port_handle_t getRoutedDeviceId(); + + /* Add an AudioDeviceCallback. The caller will be notified when the audio device + * to which this AudioRecord is routed is updated. + * Replaces any previously installed callback. + * Parameters: + * callback: The callback interface + * Returns NO_ERROR if successful. + * INVALID_OPERATION if the same callback is already installed. + * NO_INIT or PREMISSION_DENIED if AudioFlinger service is not reachable + * BAD_VALUE if the callback is NULL + */ + status_t addAudioDeviceCallback( + const sp<AudioSystem::AudioDeviceCallback>& callback); + + /* remove an AudioDeviceCallback. + * Parameters: + * callback: The callback interface + * Returns NO_ERROR if successful. + * INVALID_OPERATION if the callback is not installed + * BAD_VALUE if the callback is NULL + */ + status_t removeAudioDeviceCallback( + const sp<AudioSystem::AudioDeviceCallback>& callback); + private: /* If nonContig is non-NULL, it is an output parameter that will be set to the number of * additional non-contiguous frames that are predicted to be available immediately, @@ -588,6 +621,7 @@ private: // For Device Selection API // a value of AUDIO_PORT_HANDLE_NONE indicated default (AudioPolicyManager) routing. audio_port_handle_t mSelectedDeviceId; + sp<AudioSystem::AudioDeviceCallback> mDeviceCallback; }; }; // namespace android |