Always Lossless mode
Using Always lossless mode will ensure that no image lossy data is ever sent to the client. This means that every frame will only be encoded with a lossless codec and the quality will be pixel perfect.
The compression ratio of always lossless is not nearly as good as with using other modes and setting always lossless mode will use a significant amount of bandwidth. This can significantly impact interactivity when there is not enough bandwidth available.
Citrix only recommends using this setting for specific use cases where lossless image quality is required such as medical imaging use cases.
In addition to setting Always Lossless mode explicitly, end users can also toggle between Lossless mode in-session when the Graphics Status Indicator is available for them.
Currently the Graphics Status Indicator is not enabled by default.
To enable the Graphics Status Indicator:
- Navigate to the graphics policy settings in Citrix Studio.
- Locate the ‘Graphics Status Indicator’’ policy.
- Set the policy to ‘Enabled’.
- Apply and propagate the policy changes to your delivery groups.
To Toggle Always Lossless mode as an end user:
- Locate the Graphics Status Indicator in the tasktray.
- Right-click on the Graphics Status 1. 1. Indicator in the tasktray of the VDA.
- Select “Switch to Pixel Perfect”.
The Graphics Status indicator will show a green indicator in the icon to indicate that Lossless mode is enabled.
Alternatively:
- Locate the Graphics Status Indicator in the tasktray.
- Click on the Graphics Status Indicator in the tasktray of the VDA.
- Deselect “Let the system decide”.
- Select “Pixel perfect (lossless)”.
The Graphics Status indicator will show a green indicator in the icon to indicate that Lossless mode is enabled.
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