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      /  Dv player/emotion
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Spectre660 
Re: Dv player/emotion
Posted on 17-Feb-2023 11:52:33
#21 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3918
From: Unknown

@Hans

On the Sam460ex with the Radeon HD decoding some possible audio stutters with 720p videos maybe a clue . So could audio handling be a cause or just a symptom ?

_________________
Sam460ex : Radeon Rx550 Single slot Video Card : SIL3112 SATA card

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Hans 
Re: Dv player/emotion
Posted on 18-Feb-2023 0:47:59
#22 ]
Elite Member
Joined: 27-Dec-2003
Posts: 5017
From: New Zealand

@Spectre660

Quote:
On the Sam460ex with the Radeon HD decoding some possible audio stutters with 720p videos maybe a clue . So could audio handling be a cause or just a symptom ?

Very unlikely. The audio doesn't take much processing time.

I used to think that the audio stuttering during graphics heavy stuff hogging the PCI(e) bus. However, geennaam's experience with writing the HD audio driver suggests otherwise. Most AHI drivers rely on AHI for the timing of sending new buffers to the sound card. His HD audio driver uses the HD audio hardware itself to determine when new buffers should be pulled in, which is a more accurate method. I suspect that relying on AHI's timing makes sending audio data to the sound card rather fragile. When it's slightly too late (due to heavy machine load), then stuttering occurs.

The Southern Islands UVD hardware is noticeably slower than the newer UVD in Polaris based graphics cards. The problem is most likely the way we're using it.

Hans

_________________
http://hdrlab.org.nz/ - Amiga OS 4 projects, programming articles and more. Home of the RadeonHD driver for Amiga OS 4.x project.
https://keasigmadelta.com/ - More of my work.

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K-L 
Re: Dv player/emotion
Posted on 10-Apr-2023 15:50:20
#23 ]
Super Member
Joined: 3-Mar-2006
Posts: 1403
From: Oullins, France

Hi imagodespira !

Quote:
Frank, our coder , is working hard on an Emotion Update. We hope to get it released next Week.


No news about the 1.11 release ?

Last edited by K-L on 10-Apr-2023 at 09:18 PM.

_________________
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