MediaCoder

Hello!
Maybe you can help me. Cant transfer tags from mp4 to webm. Try to do something with this during the week.
Test file http://rgho.st/download/private/74c9pwB ... s.ru_1.mp4

<?xml version="1.0" encoding="UTF-8"?>
<MediaCoderPrefs><node key="overall.task.destdir">C:\Users\Vlad\Desktop\1\</node>
<node key="overall.audio.bitDepth">Original</node>
<node key="overall.audio.format">Opus</node>
<node key="overall.audio.encoder">Opus Encoder</node>
<node key="overall.video.bitrate">300</node>
<node key="overall.video.targetSize">44</node>
<node key="overall.video.format">VP8</node>
<node key="overall.video.encoder">VPX Encoder</node>
<node key="overall.container.format">WebM</node>
<node key="overall.container.muxer">FFmpeg</node>
<node key="audioenc.ffmpeg.bitrate">320</node>
<node key="audioenc.opus.bitrate">320</node></MediaCoderPrefs>