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Cant record for longer than 1-2 minutes since 10.10.5
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Post new topic   This topic is locked: you cannot edit posts or make replies.    Matrox MXO User Forum Forum Index -> MXO2 Family and Mojito MAX with Adobe CC 2015 (Mac)
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gloidl
(MXO2 LE)




Joined: 04 Jul 2005
Posts: 42

PostPosted: Wed Sep 02, 2015 12:34 pm    Post subject: Reply with quote

I watched activity monitor now - the CPU load gets higher on the Matrox Codec than on the ProRes codec. It does not peak at all.
This is from my MacBook Pro




and from my MacPro with Premiere:




Here recording worked on the MacPro for a while but a process crashed:

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Matrox_Support_Vlad
(MXO)




Joined: 04 Jul 2005
Posts: 805

PostPosted: Wed Sep 02, 2015 2:25 pm    Post subject: Reply with quote

Tech support case has been opened against this thread and we'll provide the update when available.
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deathinggame
(MXO2 Mini)




Joined: 04 Jul 2005
Posts: 6

PostPosted: Mon Mar 07, 2016 3:08 am    Post subject: , Reply with quote

I am having the same dropped frames issue with ProRes 422HQ. Recording to Sandisk Extreme SSD so drive speed is not an issue. ProRes 422 and Matrox i-frame work fine.

Frames drop within the first minute of recording.

This is the first version of the driver that I have used (4.6 on a MacBook Pro 17" running 10.10.5) so cannot comment about success with earlier versions.

When trying to record to HQ, the CPU jumps to 250-300%.

I tested this in both Vetura and PP 2015.

HDMI connection and 2 audio channels set.
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Matrox_Support_Vlad
(MXO)




Joined: 04 Jul 2005
Posts: 805

PostPosted: Mon Mar 07, 2016 11:08 am    Post subject: Reply with quote

Please note we weren't able to repro this issue in house. As the outcome on the previous thread, user was supposed to roll back to OS X 10.10.3 whereby he didn't encounter the issue.
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deathinggame
(MXO2 Mini)




Joined: 04 Jul 2005
Posts: 6

PostPosted: Mon Mar 07, 2016 8:32 pm    Post subject: Reply with quote

According to what you wrote previously, Vlad, your in-house testing was with ProRes and ProRes LT. The issue is with ProRes HQ.

Kindly confirm that you have actually tested with1080P in HQ before I go to the large hassle of reverting to 10.10.3.

Thanks!
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Matrox_Support_Vlad
(MXO)




Joined: 04 Jul 2005
Posts: 805

PostPosted: Wed Mar 09, 2016 10:52 am    Post subject: Reply with quote

The Apple ProRes 422 HQ is more demanding codec then either Apple ProRes 422 or MPEG 2 I-frame. The bit rate for Apple ProRes 422 is targeted at 145 Mbps while high quality (HQ) is targeted at 220 Mbps.

If the CPU starts peaking to the maximum while capturing with HQ codec that means your system simply cannot sustain the data rate of the codec.

Please note this issue does not appear to be related to the Matrox utils version or OS X version and we cannot guaranty rolling back to 10.10.3 will fix your problem. We do not have a feedback from the previous user on the outcome with OS X version 10.10.3.
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