![Xmedia recode webm choppy](https://cdn2.cdnme.se/5447227/9-3/8_64e61dfb9606ee7f6adf5896.png)
![xmedia recode webm choppy xmedia recode webm choppy](http://2.bp.blogspot.com/-qx3KJcnbSjs/UiQOZe9uzqI/AAAAAAAAFO8/r_F8LzkH8Yk/s1600/XMedia+Recode+screenshot.jpg)
Since passthrough is not possible, ask yourself: Do I need to re-encode? If you only want to change the container from MKV to MP4, you usually don't need to encode anything, you just change the "wrapping" around the video. Do I have to re-encode? Couldn't I just swap the container? So, anytime you're changing containers with Handbrake, your video is going to get re-encoded, which means it a) takes time and b) may introduce quality loss. HandBrake is designed to be a video transcoder. Sorry, adding video passthrough is not planned. See also the respective feature request that would have enabled video passthrough:
![xmedia recode webm choppy xmedia recode webm choppy](https://www.inote.tw/wp-content/uploads/2017/09/XMediaRecode.jpg)
MKV to MP4 in your case), Handbrake will re-encode the video. When you're using Handbrake to convert from one container format to
![Xmedia recode webm choppy](https://cdn2.cdnme.se/5447227/9-3/8_64e61dfb9606ee7f6adf5896.png)