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matrixebiz's avatar
matrixebiz
Roku Guru
10 years ago

How to display a jpg on Roku?

Hello, I currently have my Roku reading an xml file with video content like below;

<item sdImg="pkg:/images/SD/video.jpg" hdImg="pkg:/images/HD/video.jpg">
            <title>Video</title>
            <description></description>
            <streamFormat>hls</streamFormat>
            <media>
                <streamQuality>HD</streamQuality>
                <streamBitrate>0</streamBitrate>
                <streamUrl>http://server.com/video.m3u8</streamUrl>
            </media>
            <synopsis></synopsis>
            <live>True</live>
         </item>


but how to I change the above code if I just want to show a jpg picture instead of a video? Thank you
Roku Developer Program

10 Replies

  • matrixebiz's avatar
    matrixebiz
    Roku Guru
    10 years ago
    Hello, just wondering if anyone knows how to display a jpg called from within the xml file?
  • Tyler_Smith's avatar
    Tyler_Smith
    Streaming Star
    10 years ago
    Are you using Scene Graph or Vanilla BrightScript?
    How are you ingesting your XML?
  • matrixebiz's avatar
    matrixebiz
    Roku Guru
    10 years ago
    Hello, I'm using Brightscript that parces the XML. 
    What would I also change to display a mp4 video?
  • matrixebiz's avatar
    matrixebiz
    Roku Guru
    10 years ago
    If there is some missing information to my question, please let me know. This should be an easy answer for any programmer.  
    Not sure why tickets have to be open comming up on a month, before an answer is given, if at all. Is there a more active Roku forum out there? Thx
  • EnTerr's avatar
    EnTerr
    Roku Guru
    10 years ago
    "matrixebiz" wrote:
    If there is some missing information to my question, please let me know. This should be an easy answer for any programmer.  
    Not sure why tickets have to be open comming up on a month, before an answer is given, if at all. Is there a more active Roku forum out there? Thx

    No, there is no better forum on Roku. There are however paid "evangelists" on staff at RokuCo that whose job is to help people like you but are rather reclusive for some reason. Everybody else whose name does not start with "Roku" - we are just volunteers in answering questions, can't be compelled.

    Sorry for the situation. I think the reason is that your first question shows big confusion about Roku development (how do i show picture instead of video - that's apples and oranges), then you did not know if your code is SDK1 or SDK2... and people are "i am not touching this, will take too much effort explaining". Re mp4, should be as easy as changing <streamFormat> from hls to mp4 and then in <streamUrl> changing from the m3u8 URL to a mp4 URL.
  • RokuChrisT's avatar
    RokuChrisT
    Visitor
    10 years ago
    Hi guys,

    Apologies for a delay and I accept your feedback. I don't love the term reclusive but yes we are understaffed at the moment and working to grow the team. Currently our developer relations team (3 of us) is handling all certifications (thousands every quarter) in addition to the new content we've been writing. We have a lot coming down the road and we've written over 90 new guides in the last 4 months. You can clone the github repo to track the work in progress: https://github.com/rokudev/docs

    To answer your question - there are two options:

    SceneGraph (XML) - I'd highlight suggest you move your app to our current framework. It would enable you to simply create a poster (very close to an img tag in XML): https://sdkdocs.roku.com/display/sdkdoc/Poster

    For legacy BrightScript-only channels aka "SDK1" - give roImageCanvas a try. https://sdkdocs.roku.com/display/sdkdoc/roImageCanvas

    Also would love feedback on the simple channel building guide: https://github.com/rokudev/docs/tree/master/develop/sdk-development
  • matrixebiz's avatar
    matrixebiz
    Roku Guru
    10 years ago
    Okay, thanks for the info, I'll check out https://github.com/rokudev/docs/tree/master/develop/sdk-development


    and for getting back to my original question, I don't know all the various Roku programming out there but I'm pretty sure I'm using "Brightscript" I just assumed a programmer would know what I was asking by looking at the code in the first post and if not then ask me more question to try and narrow down what I need instead of just ignoring the question. I posted the code that calls a hls and mp4 so didn't think it would be so difficult to show me how to change it to display a jpg instead, when the user clicks on the play button. If you need more info, let me know. I'm trying to go through the Roku Development Guide to figure out the code/programming but it's not making sense :(
  • RokuMarkn's avatar
    RokuMarkn
    Visitor
    10 years ago
    You didn't post any code, you posted some xml which is data.  Tyler asked what kind of code you're using, SceneGraph or something else, and you didn't answer that question.  I imagine most people at that point decided, as EnTerr suggested, that it would take too much effort to clear things up.

    Basically to display a jpg you have a choice of using either ImageCanvas, roScreen or SceneGraph.  Probably ImageCanvas is the simplest approach for someone without much experience.

    --Mark
  • matrixebiz's avatar
    matrixebiz
    Roku Guru
    10 years ago
    Okay, since I'm using Brightscript that parses the XML in the first post to stream an hls or mp4 video, I thought it would be just as easy to modify the XML code above to have it display a jpg instead but like you mentioned I'm not much experienced it the Brightscript programming to fully grasp what is going on when it is trying to get a picture instead of a video feed. Thanks any way