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    Movie Player End Loop trigger fault

    Troubleshooting and Bug Reports
    movie player loop end playback issues
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    • B
      blusound last edited by Woland

      Hello

      I'm new here I have to say that Isadora seems to me a fantastic programming environment. I was trying to learn how to create patches with Isadora but I found a problem with the Movie Player end loop trigger. I did a video where I play two Movie Player one with optimize - performance and the other with optimize - interaction that play 25 loops of the video "bubbles" included in the dowlodable tutorials. The white numbers are the loops numbers, the red numbers are the trigger faults.

      Isadora version 2.5.2 , Windows 10 Pro fall creators 1709, Notebook MSI GT72 6QD, Adobe Creative Cloud turned off :

      Kind regards

      Leonardo

      S 1 Reply Last reply Reply Quote 0
      • S
        sommerdi @blusound last edited by

        @blusound

        i have the same topic on Mac 10.11.6  and 2.5.4b11. I used the position output as workaround ....

        OSX 10.13.6 / MBP 15 (late 2013) 2,6 GHz i7 , NVIDIA GeForce GT 750M 2048 MB / IZZY 3.0.7
        OSX 11.6 / MBP 16 2.3 GHz i9 32GB / Radeon 5500 8GB
        Motu Ultralite MKIII / BM Intensity USB3
        located in Munich/Germany

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        • mark
          mark last edited by mark

          @blusound said:

          I was trying to learn how to create patches with Isadora but I found a problem with the Movie Player end loop trigger.

          Thank you for alerting us to this problem. I will definitely look into this, but it may be too late to do anything about it before the v2.6 release.

          That said, let me clarify something about the 'optimize' input.

          • On macOS, choosing 'performance' will use AVFoundation for playback unless the movie can't be played by AVFoundation, which case playback reverts to QuickTime.
          • On Windows, choosing 'performance' will use the Windows native DirectShow for playback unless the movie can't be played by DirectShow, which case playback reverts to QuickTime. 
          • On both macOS and Windows, choosing interactive will use QuickTime for playback if possible.

          The 'pb engine' output indicates which system is used for playback: AV for AVFoundation, DS for Direct Show, or QT for QuickTime.

          With those rules in mind, while you have chosen 'optimize' and 'interactive' for the two movie players, the movies are both being played by QuickTime, as evidenced by the 'pb engine' output which says "QT for both. That's because the Bubbles movie is a QuickTime movie, and it is not compatible with native windows playback via Direct Show. You'd have to play a WMV or AVI movie before the actor set to 'performance' actually used the highest performing system.

          I have made a test patch that will allow us to the problem.

          loop-end-bug-tester-252.izz

          For macOS, I converted the Bubbles movie to Apple Pro Res so that I could play the movie in 'performance' mode on that platform. (The Bubbles movie is Motion-JPEG, which is not supported by AVFoundation.) I can confirm this bug when playing movies using QuickTime on v2.5.2 and on the v2.6 beta. However, AVFoundation does not have this issue in either version.

          I cannot reboot to Windows right now, but I will have @DusX test this with a AVI version of the clip to see what happens and edit the article once I know more.

          Best Wishes,
          Mark

          Media Artist & Creator of Isadora
          Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

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          • B
            blusound last edited by

            @sommerdi

            Thanks a lot but on Windows the position output seems worse then loop end..

            @mark

            Thank you Mark for your fast and useful reply. I tried with WMV and AVI-DV and AVI not compressed and with this three codecs loop end trigger seems work with no issue, but using the patch you attached I notice that position output with a comparator do a lot of errors. Expecially with WMV the loop restarts much before the end of video and with a short movie like Bubbles I have to set 85 to have trigger from position.

            Kind regards

            Leonardo

            DusX 1 Reply Last reply Reply Quote 0
            • DusX
              DusX Tech Staff @blusound last edited by DusX

              @blusound said:

              WMV

               It's not the optimum codec/format for short videos or interactive playback.. it's intended for playing movies at regular speed. It will provide quality playback of long hd content if played normally. Additionally it provides small file sizes.

              Hap is probably the best codec for smaller / Interactive content. However hap avi may not respond as well as quicktime for interactive work..  it's best to test for your specific usage.

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