Adds support for mute/unmute

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What steps will reproduce the problem?
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What is the expected output? What do you see instead?

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Original issue reported on code.google.com by boss...@yahoo.fr on 12 Jan 2013 at 1:52

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Has this been added or it's on to-do list?
If already added, is there any documentation for the same?

Original comment by mehul.n....@gmail.com on 12 Mar 2013 at 8:54

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Bump... any movement on this?

Original comment by joshel...@gmail.com on 7 May 2013 at 3:51

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I created the following two functions that I use in my project for mute of 
camera and microphone.   Please feel free to use as well if its helpful.

////////////////////////////////////////////////////////////////////////////////
////////////////////
function muteMicrophone(bEnabled) {
    console.log("-->>>> muteMicrophone = " + bEnabled);
    if (oSipSessionCall != null) {
        // console.log("-->>>> muteMicrophone-> oSipSessionCall is valid");
        if (oSipSessionCall.o_session != null) {
          //  console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session is valid");
            if (oSipSessionCall.o_session.o_stream_local != null) {
              //  console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session.o_stream_local is valid");
                if (oSipSessionCall.o_session.o_stream_local.getAudioTracks().length > 0) {
                  //  console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session.o_stream_local->Audio Tracks Greater than 0");
                    for (var nTrack = 0; nTrack < oSipSessionCall.o_session.o_stream_local.getAudioTracks().length ; nTrack++) {
                     // console.log("-->>>> muteMicrophone-> Setting Audio Tracks [" + nTrack + "] to state = " + bEnabled);
                        oSipSessionCall.o_session.o_stream_local.getAudioTracks()[nTrack].enabled = bEnabled;
                    }
                }
                else {
                    console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session.o_stream_local-> NO AUDIO TRACKS");
                }
            }
            else {
                console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session.o_stream_local is NULL");
            }
        }
        else {
            console.log("-->>>> muteMicrophone-> oSipSessionCall.o_session is NULL");
        }
    }
    else {
        console.log("-->>>> muteMicrophone-> oSipSessionCall  is NULL");
    }
}
////////////////////////////////////////////////////////////////////////////////
////////////////////
//
//

////////////////////////////////////////////////////////////////////////////////
////////////////////
function muteWebCam(bEnabled)
{
    console.log("-->>>> muteWebCam = " + bEnabled);
    if (oSipSessionCall != null) {
        // console.log("-->>>> muteWebCam-> oSipSessionCall is valid");
        if (oSipSessionCall.o_session != null) {
            // console.log("-->>>> muteWebCam-> oSipSessionCall.o_session is valid");
            if (oSipSessionCall.o_session.o_stream_local != null) {
               // console.log("-->>>> muteWebCam-> oSipSessionCall.o_session.o_stream_local is valid");
                if (oSipSessionCall.o_session.o_stream_local.getVideoTracks().length > 0) {
                 //   console.log("-->>>> muteWebCam-> oSipSessionCall.o_session.o_stream_local->Video Tracks Greater than 0");
                    for (var nTrack = 0; nTrack < oSipSessionCall.o_session.o_stream_local.getVideoTracks().length ; nTrack++) {
                   //     console.log("-->>>> muteWebCam-> Setting Video Tracks [" + nTrack + "] to state = " + bEnabled);
                        oSipSessionCall.o_session.o_stream_local.getVideoTracks()[nTrack].enabled = bEnabled;
                    }
                }
                else {
                    console.log("-->>>> muteWebCam-> oSipSessionCall.o_session.o_stream_local-> NO VIDEO TRACKS");
                }
            }
            else {
                console.log("-->>>> muteWebCam-> oSipSessionCall.o_session.o_stream_local is NULL");
            }
        }
        else {
            console.log("-->>>> muteWebCam-> oSipSessionCall.o_session is NULL");
        }
    }
    else {
        console.log("-->>>> muteWebCam-> oSipSessionCall  is NULL");
    }
}
////////////////////////////////////////////////////////////////////////////////
////////////////////

Original comment by sdellu...@gmail.com on 8 May 2013 at 5:53

[GoogleCodeExporter]

Check this out https://github.com/ISkomorokh/mediastream-gain-controller

Original comment by iskomor...@gmail.com on 29 Aug 2014 at 6:23