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Rendering Error message - Where can I find more info?


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We have a project that has been converted from WO5 to WO6.

It's playing mp4 video with 5.1 audio as a wav file. It has been working flawless on WO5 for 6 years, but on the new hardware and WO6 we are getting random faults that result in both the video and audio not playing. The fault sometimes corrects itself when the video is finished and the next video is played. 

When the fault happens the show is still online and there are no errors as far as I can tell.  Going offline and back online fixes the problem. 

We are getting an audio error in messages on the controller PC every time the show starts:


From Sound "audio2020/gs2020.wav" of Media Folder "media_timeline3" of Media List, 2020-09-03 15:01:47
Rendering error: Not implemented; Not implemented

We have tried swapping audio cards on the player pc, now 4 different cards. Error remains.

We have tried exporting the audio again from Audition, both stereo and 5.1 in 44100hz and 48000hz. All wav.

We have also swapped the graphics card. 

We also tried converting the video to HAP, but that results in green videos. (correct in VLC)

We've downloaded the log files from the player PC, but there is nothing in the logs that give me more information. 

Are there other log files or places we can check? Any idea what could cause this?

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  • Dataton Partner

If it works when plying sound from the production computer, it gives you some indication where to search deeper.

How many MP4 files are you playing on one server and on how many outputs? Codecs? Codec settings?

Which graphic card are you using and which driver?

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Playing 4x mp4, but the files and output is only 1024x768

We have tried two different AMD Radeon Pro cards, Can't remember the model numbers right now. 

ok, we'll try playing the audio on the production computer. Really annoying that there is no errors in the logs when it actually fails. 

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  • Dataton Partner

Which driver are you using for the Radeon Pro cards???

Did you run your show in WATCHOUT 5 on your new system or was it on a different system?

Did you try to update the old system to WATCHOUT 6.6.1 or 6.6.2?

19 hours ago, back said:

We also tried converting the video to HAP, but that results in green videos. (correct in VLC)

When HAP shows green videos, it is usually an indication that you have more codec packs on your computer than just those installed with WATCHOUT. Could that be the case? Is VLC running on the new computer? Did you install any HAP codec on your new computer?

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