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SysDVR

This is a sysmodule that allows capturing the running game output to a pc via USB or network connection.

Features

• Cross platform, can stream to Windows, Mac and Linux.
• Stream via USB or Wifi.
• Video quality is fixed to 720p @ 30fps with h264 compression, this is a hardware limit.
• Audio quality is fixed to 16bit PCM @ 48kHz stereo. Not compressed.
• Very low latency with an optimal setup, most games are playable !

Limitations

• Only works on games that have video recording enabled (aka you can long-press the capture button to save a video)
  • There is now a workaround to support most games, as it may cause issues it's hosted on a different repo and must be installed manually.
• Only captures game output. System UI, home menu and homebrews running as applet won't be captured.
• Stream quality depends heavily on the environment, bad usb wires or low wifi signal can affect it significantly.
• USB streaming is not available when docked
• Requires at least firmware 6.0.0

Clearly with these limitations this sysmodule doesn't fully replace a capture card.

Usage

The guide has been moved to the wiki, you can find it here

If you have issues make sure to read the the common issues page. If you need help you can either ask on discord or open an issue with the correct template.

Donations

If you like my work and wish to support me you can donate on ko-fi

Unfinished stuff

At some point I tried to implement a usb video class device via software, this would have allowed for usb streaming without needing a custom client app. Unfortunately this didn't work out, if you have more experience than me in this stuff feel free to give it a try, you can find more info in the readme of the UVC branch.

Credits

• Everyone from libnx and the people who reversed grc:d and wrote the service wrapper, mission2000 in particular for the suggestion on how to fix audio lag.
• mtp-server-nx for their usb implementation
• RTSPSharp for the C# RTSP library
• Bonta on discord for a lot of help implementing a custom RTSP server
• Xerpi for a lot of help while working on the UVC branch