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Thread: 10bit NDI options

  1. #1
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    10bit NDI options

    The official documentation around NDI is very vague.

    "NDI fully supports all resolutions, frame rates and video streams, with and without alpha channel. In practical terms, resolution and frame rates will be determined by the capabilities of endpoint devices. The most common implementations are expected to utilize 8-bit UYVY and RGBA video, however support for 10-bit and 16-bit is available. The internal pipeline of the codec is maintained entirely at 16-bit or better."

    It's based on 16bit, or 16 bit is available? 16 bit or better? So it's 32bit now?? What 10bit options are currently available (i know BirdDog has released their 10b encoders) but how does this fit into the SDK? Is 4.5 10b, 16b or 32b?!

  2. #2
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    Quote Originally Posted by simond83 View Post
    The official documentation around NDI is very vague.

    "NDI fully supports all resolutions, frame rates and video streams, with and without alpha channel. In practical terms, resolution and frame rates will be determined by the capabilities of endpoint devices. The most common implementations are expected to utilize 8-bit UYVY and RGBA video, however support for 10-bit and 16-bit is available. The internal pipeline of the codec is maintained entirely at 16-bit or better."

    It's based on 16bit, or 16 bit is available? 16 bit or better? So it's 32bit now?? What 10bit options are currently available (i know BirdDog has released their 10b encoders) but how does this fit into the SDK? Is 4.5 10b, 16b or 32b?!
    NDI has always been 16-bit *internally* but has been artificially limited by the on-ramp and off-ramp using YUV 8-bit format.
    In theory there are now ways to get 16-bit (and hence 10-bit) in and out of NDI but this has not yet been fully implemented across all platforms.
    So, the capability is coming, but its not fully available yet.

    Various tools may have preliminary 10-bit (or 16-bit) support, for example Sienna NDI Signal Generator has offered this as a test stream for a long time, but we probably all need to sit tight just a little longer until the NDI SDK rolls out *full* support for 16-bit across all platforms and the key vendors have updated their software to support this.

    Then you will see proper end to end support for 10-bit and higher workflows.

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