"MKV files won't work in Gear VR " or "Play MKV on Gear VR with no audio"?
That's because MKV is just a container format, holding video, audio, image or subtitle files in it. The video and audio files in different MKV files can be encoded with different codecs. For example, an MKV file with DTS audio can't be rendered on Gear VR.
To fix the problem, the effective and simple way is to change MKV to a fully compatible format with Gear VR. And today, in this article, i would like to show you two ways to solve it: convert your video files with AC3 audio to a Gear VR compatible video/audio or root your phone and add codecs for AC3. Both are simple, choose what you like.
Solution 1: Convert MKV with AC3 to Gear VR supported format
By this way, a video converter is absolutely needed. What I used is Brorsoft Video Converter. With it, you can fast convert MKV to Gear VR supported file type like MP4, MKV in .mp3, .aac audio. Best of all, this software allows you to convert MKV to 3D videos such as MKV Top-bottom 3D Video, MP4 Top-bottom 3D Video, MP4 Side-by-Side 3D video, which can be played on Gear VR perfectly. If you’re using a Mac, please turn to the Mac version here.
(Note: Click here for OS X 10.5)
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Step 1. Load video files
Run the program and load your source video files MKV into it.
Step 2. Decide output format
Tap on "Format" bar and find "3D Video", there are a lot of format options for you. "MP4 Side-by-Side 3D Video (*.mp4)" is recommended for Samsung Gear VR. Of course, "MKV Side-by-Side 3D video", "MP4 Side-by-Side 3D video" are also supported.
Step 3. Specify video/audio parameters
Click Settings button to adjust video/audio parameters like video resolution, bitrate, audio codec, audio channel. According to my experience, anything over 720p does nothing but turn battery energy into heat, due to the screen resolution.
Step 4. Start encoding MKV to Gear VR
Click Convert button to start converting MKV to Samsung Gear VR friendly video. After the conversion, you can get the resulted videos by clicking the Open button.
Solution 2. Root your phone and add codecs for AC3
Following is the guide:
1. Put the file media_codecs.xml in the folder system/etc
2. Put the files libsac3d.so & libsomxac3d.so in the folder system/lib
3. Set permissions to all 3 files: 0644 (owner: root/root)
Above are two solutions for Gear VR playing MKV movie with AC3 audio. You can try both of them to enable MKV with AC3 playable in Gear VR.
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