Fun With ToDVRMS v1.0.1.0

I managed to get a hold of the “Early Access” version of Andy’s ToDVRMS tool specifically to test out the WTV file creation features. So far, every h264 encoded Matroska file I’ve tried converted to WTV and played back properly in Media Center.

There are a few issues however:

  • ToDVRMS doesn’t support much metadata embedding and the few commands I tried didn’t work (-title, –year) with the exception of –m which flags the file as a “IsMovie” (this means the file will show up in the Media Center Movie Library).
  • There’s no direct path for converting scene subtitles (SRT, SSA, ASS, etc.) to “line 21”. Line 21 is apparently the only subtitle system supported by WTV and even though I was able to find tools to convert SRT files to SCC and then from SCC to “raw” (supposedly the format “line 21” uses), ToDVRMS doesn’t have an option to use subtitle files from any source other than a stream in the original MKV file. MKV only supports a handful of subtitle formats and “raw” wasn’t one of them so I was unable to get any subtitles working.
  • “Forced subtitles” are going to be an issue. Unless there’s something to “force” a subtitle track to play by default (like Matroska has), the only solution for forced subtitles will be to transcode the file with the subtitles “burned” into the stream.
  • DTS doesn’t work at all. ToDVRMS crashes when trying to convert a file with DTS audio. This was expected as I don’t believe WTV supports DTS anyway.
  • I’m assuming MKV “chapters” won’t work but I didn’t test this as there are no command line options to enable chaptering and WTV probably doesn’t support chapters anyway.

Things that did work:

  • Multiple audio tracks. I have a copy of Akira with the original Japanese track and a dubbed English track. I was able to switch tracks using the “i” button on the remote and sliding over to the “language” area.
  • No transcoding was required. The WTV container supports h264 streams.
  • Fast forward and rewind on the remote work as expected when playing from Media Center. The fast forward and rewinds buttons didn’t work in Media Player, but we don’t really care about Media Player, do we?

I have no idea if these will play on Extenders as I don’t have one to test with (no 360 either) but, based on what I’ve read, they should play fine on any Extenders that support h264.

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