[mythtv-users] Re: libmyth-0.18.1-114.rhfc4.at VLD fails an my Via ...

Jules Gosnell jules at coredevelopers.net
Mon Nov 21 04:00:42 EST 2005


Axel Thimm wrote:

>On Sun, Nov 20, 2005 at 12:55:04PM -0500, Isaac Richards wrote:
>  
>
>>On Sunday 20 November 2005 06:53 am, Jules Gosnell wrote:
>>    
>>
>>>last night I found 113 and 114 SRPMs on an archive site somewhere,
>>>unpacked them, applied patches and then diffed them looking for any
>>>mention of XvMC - sure enough, I found one :
>>>
>>>diff -r 113/mythtv-0.18.1/libs/libavcodec/parser.c
>>>114/mythtv-0.18.1/libs/libavcodec/parser.c
>>>814c814,818
>>><     { CODEC_ID_MPEG1VIDEO, CODEC_ID_MPEG2VIDEO },
>>>
>>> >     { CODEC_ID_MPEG1VIDEO,
>>> >       CODEC_ID_MPEG2VIDEO,
>>> >       CODEC_ID_MPEG2VIDEO_XVMC,
>>> >       CODEC_ID_MPEG2VIDEO_XVMC_VLD,
>>> >     },
>>>
>>>I unpacked a 115, hacked its patch to undo this change, rebuilt
>>>overnight, installed and tested this morning - result - SUCCESS :-) !
>>>      
>>>
>
>Does this imply that building w/o patching resulted in a failure, or
>did you just try that one build. Perhaps it is unrelated, and only a
>build w/o a patch will tell.
>  
>
I don't follow...

113-5 all apply patches as part of the build. Vanilla 113 works for me, 
Vanilla 114/115 don't. All I did was to find a XVMC related difference 
between 113/114 and then remove that difference (from the patch that 
created it) in 115, creating a variant 115 binary which worked for me.

I know that the vanilla 115 distro does not work for me.
I know that my hacked 115 distro (with a couple of lines removed from 
the svn patch) does work for me.

I'm assuming that rebuilding a vanilla 115 SRPM would result in a 
vanilla 115 RPM so did not bother with that build.

Is that clearer ?

Jules

>  
>
>>>I have probably not so much fixed a bug as disabled some code that was
>>>enabled in 114, but it works for me - I now have h/w accelerated MPEG2
>>>on libmyth-*115* so I am happy.
>>>
>>>Thanks for the help, Axel.
>>>
>>>Should I let someone know about this somehow, or will you feedback to them
>>>?
>>>      
>>>
>>Looks to be an atrpms problem - this code is how it should be in the 
>>release-18-fixes branch.
>>    
>>
>
>I think so, too. I'm looking into this, but I have no VLD hardware to
>test with, so I'll be fixing things blindly. Anyway, better than it
>not working at all, and I can verify that non-VLD stuff is still
>working.
>  
>
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>  
>


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"Open Source is a self-assembling organism. You dangle a piece of
string into a super-saturated solution and a whole operating-system
crystallises out around it."

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