A question about 625p

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  • April 25, 2020 at 5:41 PM #37240
    ulihox
    Participant

      If I feed my ossc through vga input (av3) with 625p from a dvdo iscan ultra I get 800×600@50hz video mode. Is that ok?

      April 25, 2020 at 9:31 PM #37245
      nmalinoski
      Participant

        If we’re talking PAL, that would be 576p (625 lines) and should be detected as such, not 800×600. Is the DVDO upscaling to 800×600?

        April 26, 2020 at 9:08 AM #37253
        ulihox
        Participant

          The DVDO ultra only deinterlaces, it can’t upscale. It’s feeded with 576i, from a PAL PS2, and it outputs 576p.

          If I chain the dvdo to OSSC, through AV3, it treats 576p as 625p and outputs 800×600@50hz (I think it should be 640×480@50Hz).

          Pressing the info button, it shows:
          Prof.0 800×600
          625p 540006

          That must be a bug.

          April 26, 2020 at 7:12 PM #37264
          paulb_nl
          Participant

            The OSSC only chooses PC resolutions through AV3. That’s why it detects it as 800×600 instead of 576p.

            April 29, 2020 at 8:15 AM #37321
            uchristo
            Participant

              I think I got a similar problem here:

              Manual Selection of Input Profile

              Unfortunately, nobody seems to pick up this issue.

              April 30, 2020 at 6:25 PM #37367
              ulihox
              Participant

                I’ve just solved the issue using a VGA to ypbpr cable. Using AV2 input the output is 576p (720×576) while through AV3 it was 800×600.

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