Android Question mute audio in videoview

jazzzzzzz

jazzzzzzz

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I am receiving 4 rtsp video links simultaneously in a single screen using videoview in the audio library... I want to mute individual videos when clicking on a button... But videoview doesnot have an option to mute audio...i want to play audio of single stream at a time and mute others... How can i do that?
 
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jazzzzzzz

jazzzzzzz

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Erel said:
You can use Phone.SetMute to mute any of the volume channels.
Click to expand...
i think u dont understand what i mean

i dont want to set the volume of complete phone music down...i need to change the volume of one videoview outof 4

Dim v1,v2,v3,v4,v5,vf1 As VideoView
here i need something like "v1.muteaudio"
because all v1,v2,v3,v4 are playing video in single screen
 
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jazzzzzzz

jazzzzzzz

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Erel said:
Try this:
B4X: 
'after you call VideoView1.Play
Dim r1, r2 As Reflector
r1.Target = VideoView1
r1.Target = r1.GetField("mMediaPlayer")
Dim mp As MediaPlayer
r2.Target = mp
r2.SetField("mp", r1.Target, "android.media.MediaPlayer")

mp.SetVolume(0,0)
Click to expand...



B4X: 
Sub muteaudio_v1
    Dim r1, r2 As Reflector
    r1.Target = v1
    r1.Target = r1.GetField("mMediaPlayer")
    Dim mp As MediaPlayer
    r2.Target = mp
    r2.SetField("mp", r1.Target, "android.media.MediaPlayer")

    mp.SetVolume(0,0)
End Sub

this shows error on setfield line after running the program
 
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jazzzzzzz

jazzzzzzz

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Erel said:
Can you post the error message from the logs?
Click to expand...
B4X: 
LogCat connected to: HT22WV810549
--------- beginning of /dev/log/system


--------- beginning of /dev/log/main


** Activity (main) Create, isFirst = true **


** Activity (main) Resume **


Error occurred on line: 107 (main)
java.lang.IllegalArgumentException: invalid value for field


    at java.lang.reflect.Field.setField(Native Method)
    at java.lang.reflect.Field.set(Field.java)
    at anywheresoftware.b4a.agraham.reflection.Reflection.SetField(Reflection.java:401)
    at b4a.example.main._muteaudio_v1(main.java:697)
    at b4a.example.main._play(main.java:495)
    at b4a.example.main._button1_click(main.java:385)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:636)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:302)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:238)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:121)
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:162)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:158)
    at anywheresoftware.b4a.objects.ViewWrapper$1.onClick(ViewWrapper.java:66)
    at android.view.View.performClick(View.java)
    at android.view.View$PerformClick.run(View.java)
    at android.os.Handler.handleCallback(Handler.java)
    at android.os.Handler.dispatchMessage(Handler.java)
    at android.os.Looper.loop(Looper.java)
    at android.app.ActivityThread.main(ActivityThread.java)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java)
    at dalvik.system.NativeStart.main(Native Method)

B4X: 
Sub muteaudio_v1
    Dim r1, r2 As Reflector
    r1.Target = v1
    r1.Target = r1.GetField("mMediaPlayer")
    Dim mp As MediaPlayer
    r2.Target = mp
    r2.SetField("mp", r1.Target, "android.media.MediaPlayer")

    mp.SetVolume(0,0)
End Sub
line 107 is "r2.SetField("mp", r1.Target, "android.media.MediaPlayer")"
v1 is my "videoview v1"
 
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Erel

Erel

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This code should work:
B4X: 
Sub Activity_Create(FirstTime As Boolean)
   Dim vv As VideoView
   vv.Initialize("vv")
   Activity.AddView(vv, 0, 0, 100%X, 100%y)
   vv.LoadVideo(File.DirRootExternal, "DCIM/Camera/1.mp4")
   vv.Play
   CallSubDelayed2(Me, "MuteVideo", vv)
End Sub

Sub muteVideo (vv As VideoView)
   Dim r1, r2 As Reflector
  r1.Target = vv
  r1.Target = r1.GetField("mMediaPlayer")
   If r1.Target = Null Then
     CallSubDelayed2(Me, "MuteVideo", vv)
     Return
   End If
  Dim mp As MediaPlayer
  r2.Target = mp
  r2.SetField2("mp", r1.Target)
  mp.SetVolume(0,0)
End Sub
 
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jazzzzzzz

jazzzzzzz

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Erel said:
This code should work:
B4X: 
Sub Activity_Create(FirstTime As Boolean)
   Dim vv As VideoView
   vv.Initialize("vv")
   Activity.AddView(vv, 0, 0, 100%X, 100%y)
   vv.LoadVideo(File.DirRootExternal, "DCIM/Camera/1.mp4")
   vv.Play
   CallSubDelayed2(Me, "MuteVideo", vv)
End Sub

Sub muteVideo (vv As VideoView)
   Dim r1, r2 As Reflector
  r1.Target = vv
  r1.Target = r1.GetField("mMediaPlayer")
   If r1.Target = Null Then
     CallSubDelayed2(Me, "MuteVideo", vv)
     Return
   End If
  Dim mp As MediaPlayer
  r2.Target = mp
  r2.SetField2("mp", r1.Target)
  mp.SetVolume(0,0)
End Sub
Click to expand...

That workssssss...;)...Awesome work Erel.....By the way i understand nothing about the code you typed...Little help will be appreciated :D..
 
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jazzzzzzz

jazzzzzzz

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So its the same thing that shown in the link i posted..... Any way it was pleasure to communicate with the real developer who created all this stuff.. Community is working well for me.. Also am suggesting my friend to buy this.. :)
 
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jazzzzzzz

jazzzzzzz

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Erel said:
It uses reflection to get a reference to the internal MediaPlayer of VideoView. The internal MediaPlayer is not immediately ready so CallSubDelayed is used to wait for it.
Click to expand...
Erel one more help...
I have to full screen the video when i touch the video, so i created 4 panels for 4 videoviews ,when i play i can see only one panel cant see 3 other videos...if there is a panel beneath videoview i can simply write code inside "panel_click"..so thats my first problem(I wanna to get some thing linke v4.click)...:rolleyes:
===================
one other thing is that

B4X: 
Sub button5_click

    v1.SetLayout(51%x, 53%y,50%x,15%y)
    v2.SetLayout(0%x, 68%y,50%x,15%y)
    v3.SetLayout(51%x, 68%y,50%x,15%y)
  
    Activity.Invalidate
  
    CallSubDelayed2(Me, "muteVolume", v1)
    CallSubDelayed2(Me, "muteVolume", v2)
    CallSubDelayed2(Me, "muteVolume", v3)
  
    v4.pause
    v4.RemoveView
    Activity.AddView(v4, 0%x, 0%y, 100%x,100%y)
    v4.SetLayout(0%x,0%x,100%x,100%y)
    Activity.Invalidate
    v4.play
    CallSubDelayed2(Me, "fullVolume", v4)

End Sub

in above code am trying to make v4 to fullscreen when i press a button...here v1,v2,v3 videoviews setlayout function is making the video area into a smaller space and its working immediately....but if i simply gave "v4.SetLayout(0%x,0%x,100%x,100%y)" this does not works....But it works if i remove v4 view and connect once again...but v1,v2,v3 videoviews does not need to remove to make it smaller....... So the problem is "setlayout" can immediately make video to a smaller space ..but making it to a larger space is not working without reconnecting agin

above code is working good but removing view and adding it again make a lot of time to connect to video agin because am streaming a rtsp link..:(

Sorry for long post,I hope you understand what i need:)
 
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jazzzzzzz

jazzzzzzz

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Erel said:
Please start a new thread for this question.
Click to expand...

Erel your way for controlling audio is working good but only after removing layout and reconnecting again..its so bad that i cant control video whenever i want without reconnecting to my http stream....please find a solution..below code is working but by reconnecting but calling "CallSubDelayed2(Me, "Volume1", v1)" simply will not change anything

B4X: 
Sub SeekBar1_ValueChanged (Value As Int, UserChanged As Boolean)
    vol1=Value
'    Msgbox(vol1,False)


    v1.stop
    v1.RemoveView
    Activity.AddView(v1, 0%x, 0%y, 100%x,100%y)
    v1.LoadVideo("http", a)
    v1.SetLayout(2%x, 15%y, 45%x,55%y)
    Activity.Invalidate
    CallSubDelayed2(Me, "Volume1", v1)
    v1.Play

   
End Sub
 
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jazzzzzzz

jazzzzzzz

Active Member
Licensed User
Longtime User
Erel said:
This code should work:
B4X: 
Sub Activity_Create(FirstTime As Boolean)
   Dim vv As VideoView
   vv.Initialize("vv")
   Activity.AddView(vv, 0, 0, 100%X, 100%y)
   vv.LoadVideo(File.DirRootExternal, "DCIM/Camera/1.mp4")
   vv.Play
   CallSubDelayed2(Me, "MuteVideo", vv)
End Sub

Sub muteVideo (vv As VideoView)
   Dim r1, r2 As Reflector
  r1.Target = vv
  r1.Target = r1.GetField("mMediaPlayer")
   If r1.Target = Null Then
     CallSubDelayed2(Me, "MuteVideo", vv)
     Return
   End If
  Dim mp As MediaPlayer
  r2.Target = mp
  r2.SetField2("mp", r1.Target)
  mp.SetVolume(0,0)
End Sub
Click to expand...


Erel please help me its urgent...above code is working only for muting audio..but once it is muted i cant raise the volume up...but if i remove view and connect again it will get volume...that is not a good practice...so please gave solution fast...am in a hurry sorry...
 
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