On the Nexus, opening the file opens VLC without issues. If the movies are in MP4 then the Samsungs work fine. Without going through the hassle of a full re-encode, I'd rather convert them to MP4 without losing chapter info, audio tracks, etc. The movies I want to convert typically have an AC3 6-ch track, ACC Dolby/Stereo track, and will have

1. Bring your large 4K files into Media Encoder. 2. Choose the files you want to reduce and apply a preset that uses a smaller resolution such as 1080p or 720p. Note: 720p will typically allow you a faster workflow. 3. Create a new folder for your proxies. They will have the same file names as the original footage, so a new folder is necessary. 4. If you need better quality in a smaller size then you need to convert using higher quality original masters. You can change the container such as mkv or mp4 without losing data. If you are using a particularly inefficient container format then you might save a small amount of space that way, but it is going to be insignificant compared to the In this step-by-step video tutorial, learn how to convert any MKV video file into MP4 video format free. which place you can mkv to mp4 converter download an
In FFmpeg you can pass the parameter like this: ffmpeg -i INPUT.mkv -c:v libx265 -preset ultrafast -x265-params lossless=1 OUTPUT.mkv. Most x265 switches (options with no value) can be specified like this (except those CLI-only ones, those are only used with x265 binary directly).
Find the MKV file you want to watch and click the Open button. Another option is to go to the File menu and click Open. Then you will be presented the open-file dialog as well. Step 3: Control MKV playback. After MKV loading, select the proper audio and subtitle track. aoU1GB. 157 191 780 182 296 299 402 175

how to convert mkv to mp4 without losing quality