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TV-IN Applcation in DM8168

Muhammad Salih
Expert 2725 points
Other Parts Discussed in Thread: TVP5150

Hi,

I am using DM8168 processor and am using the latest EZSDK, 5_05_02_00. Is there any sample application is available to test the same. Since I am using TVP5150 chip to capture TV-IN data.

Please provide the same.

Thanks in advance.

Regards,

Salih

  • 0
    TI__Guru* 80190 points
    Hello,

    You could try the SaLoopBack demo but you should change it for you use case (/dev/videoXX) etc.


    Best Regards,
    Margarita
  • 0 in reply to Margarita Gashova
    Expert 2725 points

    Hi Margarita,

    Thanks for your input. I have tried the same with this application. I am getting the below error:

    Driver Name: ti81xxvin
    Driver bus info: TI81xx Platform
    Driver is capable of doing capture

    Driver Name:
    Driver bus info: Ðc     @@`
    Set Format failed
    Error in setting up of capture

    What might be the reason for this issue?. And also there are four video nodes for capture (video0,video4,video5,video6) and 3 nodes for display (video1,video2,video3). How can I know which for my device for capture and display.

    Say for example if I am using LCD, which will be the display video node and if I am using TV-IN (TVP5150) which will be the capture video node.

    Is it possible to do capture and display the TV-IN data from G-streamer application. If so, please provide the commands which I can use for the same.

    Thanks in advance.

    Regards,

    Salih

  • 0 in reply to Muhammad Salih
    Expert 2725 points
    HI,

    Any updates on this. I am awaiting for your valuable response. Since it is in very critical situation to fix it.
    I am struggling with this issue for a very long time. So, please suggest or help me out to solve this issue

    Thanks in advance.
    Regards,
    Salih
  • 0 in reply to Muhammad Salih
    Expert 2725 points
    HI,

    Is there any updates on this issue?. I am not at all getting proper response from you. I am really disappointed with this post.
    I am struggle with this issue for very long time. Still I didn't get any responses.

    Regards,
    Salih
  • 0 in reply to Muhammad Salih
    TI__Guru**** 475745 points
    Hello Salih,
    Typically these device nodes are created in the order the modules are inserted, so it really depends on the order the modules are inserted. After they are inserted, you could mode information about each node from the sysfs, like which driver is used for the device node etc..
    I am not sure about gStreamer. But we could definately support TVP5150. There is an app note which explains how to add new device for the dm8168 v4l2 driver. Please refer to that. You could e2e forum to get the link to this app note.
    Regards.Brijesh
  • 0 in reply to Brijesh Jadav
    TI__Guru**** 475745 points
    Please refer to below link
    http://processors.wiki.ti.com/index.php/DM81xx_AM38xx_Adding_External_Decoders_to_V4L2_Capture_Driver
    regards,brijesh