Question about volume control in Ant SDK for Flutter

[kimPongsakorn]

Hello,
I'm currently using the Ant SDK with a Flutter application and I'm experiencing issues with speaker volume control. I'd like to know if the Ant SDK has a function that can directly control turning the speaker on/off?
The issues I'm facing are:

1. When I reduce the volume to the minimum level, sound still comes out from the speaker
2. I cannot reduce the volume level to zero (mute) completely

I need a function that can directly control muting the speaker, not just reducing the volume level.
Is there any specific API or method in the Ant SDK that can handle this issue? Or do you have any recommended solutions for this problem?
Thank you for your help.

[filip-ams]

Hi @kimPongsakorn,

If I understood correctly you want to play a stream from Ant Media's flutter SDK without audio? If so I tested this scenario from a Pixel 9 emulator with the following code:

  void _connect() async {
    AntMediaFlutter.connect(
      //host
        widget.ip,
        //streamID
        widget.id,
        //roomID
        '',
        //token
        '',
        AntMediaType.Play,
        widget.userscreen,
        //onStateChange
            (HelperState state) {
          switch (state) {
            case HelperState.CallStateNew:
              setState(() {
                _inCalling = true;
              });
              break;
            case HelperState.CallStateBye:
              setState(() {
                _localRenderer.srcObject = null;
                _remoteRenderer.srcObject = null;
                _inCalling = false;
                _isPaused ? _isPaused : Navigator.pop(context);
                // Navigator.pop(context);
              });
              break;
            case HelperState.ConnectionOpen:
              break;
            case HelperState.ConnectionClosed:
              break;
            case HelperState.ConnectionError:
              break;
          }
        },

        //onLocalStream
        ((stream) {
          setState(() {
            _remoteRenderer.srcObject = stream;
          });
        }),

        //onAddRemoteStream
        ((stream) {
          setState(() {
            _remoteRenderer.srcObject = stream;

            stream.getAudioTracks().forEach((track) {

              track.enabled = false;
            });
          });
        }),

        // onDataChannel
            (datachannel) {
          print(datachannel.id);
          print(datachannel.state);
        },

        // onDataChannelMessage
            (channel, message, isReceived) {
          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
            content: Text(
              (isReceived ? "Received:" : "Sent:") + " " + message.text,
              style: const TextStyle(color: Colors.white),
            ),
            backgroundColor: Colors.blue,
          ));
        },

        // onupdateConferencePerson
            (stream) {},

        //onRemoveRemoteStream
        ((stream) {
          setState(() {
            _remoteRenderer.srcObject = null;
          });
        }),
        widget.iceServers,
            (command, mapData) {
          abrList = ['Automatic'];
          if (command == 'streamInformation') {
            print(mapData['streamInfo']);
            setState(() {
              mapData['streamInfo'].forEach((abrSetting) =>
              {abrList.add(abrSetting['streamHeight'].toString())});
            });
          }
        });
  }

Try replacing your connect method in the play.dart example with the code above and let me know if it helped !