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Ticket #10706: mythtv doesnt play high bitrate(9/10bit) content smoothly

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noreply at mythtv

May 8, 2012, 2:44 PM

Post #1 of 4 (104 views)
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Ticket #10706: mythtv doesnt play high bitrate(9/10bit) content smoothly

#10706: mythtv doesnt play high bitrate(9/10bit) content smoothly
------------------------------+-----------------------------------------
Reporter: slackerlinux85@… | Type: Bug Report - General
Status: new | Priority: minor
Milestone: unknown | Component: MythTV - Video Playback
Version: Unspecified | Severity: medium
Keywords: | Ticket locked: 0
------------------------------+-----------------------------------------
when playing 10bit content mythtv pauses every few seconds due to no
useable video buffers left and then dumps all the frames till the video is
done playing back(mythffplay plays the content fine).

9/10bit content also cannot be played with vdpau so a check is needed so
it will fall back to software decoder.

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Ticket URL: <http://code.mythtv.org/trac/ticket/10706>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

May 8, 2012, 4:52 PM

Post #2 of 4 (101 views)
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Re: Ticket #10706: mythtv doesnt play high bitrate(9/10bit) content smoothly [In reply to]

noreply at mythtv

Jul 18, 2012, 12:46 AM

Post #3 of 4 (69 views)
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Re: Ticket #10706: mythtv doesnt play high bitrate(9/10bit) content smoothly [In reply to]

#10706: mythtv doesnt play high bitrate(9/10bit) content smoothly
-------------------------------------+-----------------------------
Reporter: slackerlinux85@… | Owner:
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Video Playback | Version: Unspecified
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-------------------------------------+-----------------------------

Comment (by slackerlinux85@…):

done some more debugging it seems the buffers for 9/10bit content is using
FF_BUFFER_TYPE_INTERNAL and removing the if (!decode.contains(*it)) check
in VideoBuffers::DoneDisplayingFrame makes the video play smoothly so i
think the problem might be with how mythtv handles FF_BUFFER_TYPE_INTERNAL
buffers

i still have no idea on how to properly fix it but i hope this information
will help

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Ticket URL: <http://code.mythtv.org/trac/ticket/10706#comment:2>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

Oct 23, 2012, 3:38 AM

Post #4 of 4 (32 views)
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Re: Ticket #10706: mythtv doesnt play high bitrate(9/10bit) content smoothly [In reply to]

#10706: mythtv doesnt play high bitrate(9/10bit) content smoothly
-------------------------------------+-----------------------------
Reporter: slackerlinux85@… | Owner:
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Video Playback | Version: Unspecified
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-------------------------------------+-----------------------------

Comment (by moores.martin@…):

Just to add my sample here, which appears to have the same issue. Was
pointed to this and ticket #10942 by Shawn King on the users list:

http://www.gossamer-threads.com/lists/mythtv/users/531135

It is commented in #10942 that these two tickets are most likely
duplicates, so just to mention that here also

My sample is here, hopefully it might help with testing:

http://dl.dropbox.com/u/419095/2012-10-20-mythvideo/2012-09-09_16-32-30.AVI

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Ticket URL: <http://code.mythtv.org/trac/ticket/10706#comment:3>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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