am 78097164: Do not accept SCO without any active listener. (d7e0723f) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/hfp/HeadsetStateMachine.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -1082,6 +1082,12 @@ final class HeadsetStateMachine extends StateMachine {

		switch (state) {
		case HeadsetHalConstants.AUDIO_STATE_CONNECTED:
		if (!isScoAcceptable()) {
		Log.e(TAG,"Audio Connected without any listener");
		disconnectAudioNative(getByteAddress(device));
		break;
		}

		// TODO(BT) should I save the state for next broadcast as the prevState?
		mAudioState = BluetoothHeadset.STATE_AUDIO_CONNECTED;
		setAudioParameters(device); /Set proper Audio Paramters./
		@@ -1947,6 +1953,11 @@ final class HeadsetStateMachine extends StateMachine {

		switch (state) {
		case HeadsetHalConstants.AUDIO_STATE_CONNECTED:
		if (!isScoAcceptable()) {
		Log.e(TAG,"Audio Connected without any listener");
		disconnectAudioNative(getByteAddress(device));
		break;
		}
		mAudioState = BluetoothHeadset.STATE_AUDIO_CONNECTED;
		setAudioParameters(device); /* Set proper Audio Parameters. */
		mAudioManager.setBluetoothScoOn(true);
		@@ -3207,6 +3218,12 @@ final class HeadsetStateMachine extends StateMachine {
		(mPhoneState.getCallState() != HeadsetHalConstants.CALL_STATE_IDLE));
		}

		// Accept incoming SCO only when there is active call, VR activated,
		// active VOIP call
		private boolean isScoAcceptable() {
		return (mVoiceRecognitionStarted \|\| isInCall());
		}

		boolean isConnected() {
		IState currentState = getCurrentState();
		return (currentState == mConnected \|\| currentState == mAudioOn);