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Type: Posts; User: Nick89

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    Making sense of bitrate / quality / framerate

    I am confused what NDI is doing in terms of image quality (bitrate I guess) in relation to target framerate. This is what I'm seeing:


    If I start an NDI sender and start sending frames at 144...
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    Cannot find send_send_video_v4

    I'm trying to upgrade to the latest NDI SDK 4.1. I was previously using version 3.8, and using "send_send_video_v2" to send video frames. The latest documentation for 4.1 however mentions to use...
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    Thanks, that makes sense. This is kind of what I...

    Thanks, that makes sense. This is kind of what I meant when I said "perhaps I am running into bottlenecks with my own tooling".

    I am currently using the Studio Monitor to judge how smooth the...
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    Yes, that was one of the issues indeed. Don't...

    Yes, that was one of the issues indeed. Don't know why I didn't spot that before. The other issue is that I was reusing the "copy" staging texture instead of creating a new one every frame. I was...
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    Now I'm confused. I understood the following: -...

    Now I'm confused. I understood the following:
    - timecode: set to int64.MaxValue to let NDI take care of the frame timing. Set to another value to determine your own frame timing. My question was:...
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    Thanks Jarno, I think you have touched on the...

    Thanks Jarno, I think you have touched on the root cause of this issue indeed. I found it myself too before you post. The issue happens because I directly use the memory that I obtain from the screen...
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    After experimenting more, I still have not solved...

    After experimenting more, I still have not solved this issue.

    I have changed my code back to make it more similar to the C# WPF example. In my new case, every time a new frame comes in it is...
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    Thanks, I had it set to true yes. It does not...

    Thanks, I had it set to true yes. It does not seem to make any difference whether I use true or false.

    I also tried experimenting with every combination of:
    - Using "send_send_video_async_v2" vs...
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    NDI output not as smooth as possible

    Hello,

    I am developing an application that is rendering smooth graphics and animations on a desktop monitor. I am capturing back these graphics via a Windows 10 screen capture API, and attempting...
  10. Several weeks later and the answer is finally...

    Several weeks later and the answer is finally clear: the failure to capture transparency is a BUG in Windows 10 at this moment. This bug has been fixed and can be tested in the latest release in the...
  11. WPF RenderTargetBitmap is too slow, any alternatives?

    Hello,

    I am using the WPF NdiSendContainer to output my WPF application to NDI. While it is working great and very easy to use, it has the major drawback of using RenderTargetBitmap to render the...
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