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Opened 23 months ago

Closed 23 months ago

#10767 closed Bug Report - General (Fixed)

Video Playback has extremely high contrast - unwatchable

Reported by: david@… Owned by:
Priority: minor Milestone: unknown
Component: MythTV - Video Playback Version: 0.25-fixes
Severity: medium Keywords: video playback high contrast .25
Cc: Ticket locked: no

Description

Almost certainly directly or indirectly related to this "fix" :

http://code.mythtv.org/trac/changeset/4cd818657100d13a813dfa7a8a44201184c49d71/mythtv

My device will no longer play video properly. I don't 100% recall my previous setting (CPU- if I recall), but video playback now has an EXTREMELY high contrast. If I switch to openGL, playback is normal; however, my underpowered front-end video card can only support openGL for SD and not HD (it stutters).

I should note that HD videos play fine outside of myth in VLC (this is not a drivers issue).

So, is there a workaround to manually change the video playback settings without using one of the canned examples? Or are .25 users stuck with generic settings which are unusable for some systems?

Attachments (1)

frontend.log (20.3 KB) - added by wagnerrp 23 months ago.

Download all attachments as: .zip

Change History (9)

comment:1 Changed 23 months ago by wagnerrp

  • Priority changed from major to minor
  • Severity changed from high to medium
  • Status changed from new to infoneeded_new

Resetting to defaults.

We need to know what hardware you're using, a copy of the frontend playback logs, and ideally a sample of the video. Assuming these are TS recordings from a digital tuner of HDPVR, 'dd' a chunk of it, and test it with mythavtest to make sure it causes your issue.

comment:2 Changed 23 months ago by david@…

I'm not sure what good the video will do. It's any normal video that I play. When in the setup wizard, I can reproduce the issue with the Blender video.

As for the logs (on debug)

http://dl.dropbox.com/u/431264/slimprofile_w_highcontrast.log

This device I'm using:
http://www.newegg.com/Product/Product.aspx?Item=N82E16856119051

(Intel GMA 3150)

I'm not sure how to get my submitted hardware profile.

Changed 23 months ago by wagnerrp

comment:3 Changed 23 months ago by mdean

This is actually almost definitely related to 2e7722d436dd8348d9131b069bf963a96b04a1dd (and unrelated to Playback Profiles/the removal of the broken Playback Profile groups from the database), and you likely just need to reset your Playback Picture Controls (hit F during playback, then fix the appropriate settings (may require hitting F multiple times)).

It is also likely related to #10609. As in #10609, we need the output of xvinfo and mythfrontend -v playback (while playing back a video).

comment:4 Changed 23 months ago by mdean

And when I say "related to 2e7722d43", that means the issue should be fixed by that change. What revision of 0.25-fixes are you running? Your frontend log doesn't provide a useful revision number, but does mythfrontend --version do so?

comment:5 Changed 23 months ago by david@…

CTRL-F (disable night mode) makes the contrast better, but it certainly isn't good enough for normal watching.

I had some time today so I downloaded 12.4 Mythbuntu and reinstalled from scratch. Same dealio, so it's repeatable.

Here's mythfrontend --version:
http://pastebin.com/d9kBbhsN

How do I get you the output of xvinfo exactly?

comment:6 Changed 23 months ago by mdean

You're using a version of MythTV from before the fix. Please install the Mythbuntu-repos package, as described at http://www.mythbuntu.org/repos , and update to current 0.25-fixes.

comment:7 Changed 23 months ago by david@…

You can close this ticket, the fixes repo did the job.

Thanks for hunting this down for me.

comment:8 Changed 23 months ago by knight

  • Resolution set to Fixed
  • Status changed from infoneeded_new to closed

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