Dear friend,
Best way to get effects in a mp4 is to not use android studio for this.
You can better use a movie editor and make here your changes in the mp4 file and use that into your project.
You can use something like adobe premiere or another movie editor which you like.
If the idee is to change the mp4 with code like a recorded movie take a look at this:
It's not that easy take a look at this app:
http://forums.androidcentral.com/android-apps/268876-android-studio-complete-video-editing-app.html[
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If there are some simulair functions use a decompiler to check the source of there app to get some idees. Its A lot work to edit it inside your Android application. Think to write this takes over 50+ hours.
http://www.decompileandroid.com/[
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If you only want to be able to show this in your application there is a simple fix.
Create a streamer in your application:
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Than add a effect above the player.
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Else you need to create this by your own ther no options inside the android studio to do this.
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