[mythtv] odd behaviour - fast forward at speeds greater than 3x

Simon Kenyon simon at koala.ie
Wed May 25 19:59:29 UTC 2005 

On Wednesday 25 May 2005 16:55, Simon Kenyon wrote:
> On Wednesday 25 May 2005 14:27, Stuart Morgan wrote:
> > On Wed 25 May 2005 16:08, Simon Kenyon wrote:
> > > i have this problem with playing recordings
> > > if i fast forward at 3x - all is well
> > > if i try to go faster than that then the screen freezes with the
> > > occasional blocks changing
> > >
> > > however, if i rewind and fast forward (at any speed) it will work up
> > > and until the last point of failure.
> >
> > This is a known problem when using libmpeg2. Disabling the use of
> > libmpeg2 in Setup>>TV Settings>>TV Playback should hopefully solve your
> > problem. -- Stuart Morgan
>
> well, the setting you described is not set which would lead me believe that
> i am NOT using libmpeg2. i'll have a look to see what the binary is doing.
>
> thanks for the help

just built from latest CVS (1/2 hour ago)
and i'm still getting this problem
when i run with --verbose all i get this when the picture breaks up
(apologies if this is too long - don't know what to cut out)

[mpeg2video @ 0xb7954168]00 motion_type at 16 17
[mpeg2video @ 0xb7954168]00 motion_type at 34 20
[mpeg2video @ 0xb7954168]00 motion_type at 35 20
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]ac-tex damaged at 7 21
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 16 22
[mpeg2video @ 0xb7954168]00 motion_type at 13 23
[mpeg2video @ 0xb7954168]invalid cbp at 21 24
[mpeg2video @ 0xb7954168]00 motion_type at 38 25
[mpeg2video @ 0xb7954168]00 motion_type at 10 27
[mpeg2video @ 0xb7954168]00 motion_type at 10 27
[mpeg2video @ 0xb7954168]00 motion_type at 7 28
[mpeg2video @ 0xb7954168]00 motion_type at 24 29
[mpeg2video @ 0xb7954168]ac-tex damaged at 0 30
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 37 31
[mpeg2video @ 0xb7954168]00 motion_type at 9 32
[mpeg2video @ 0xb7954168]00 motion_type at 11 33
[mpeg2video @ 0xb7954168]00 motion_type at 14 34
[mpeg2video @ 0xb7954168]00 motion_type at 3 35
[mpeg2video @ 0xb7954168]Warning MVs not available
[mpeg2video @ 0xb7954168]00 motion_type at 9 14
[mpeg2video @ 0xb7954168]ac-tex damaged at 29 15
[mpeg2video @ 0xb7954168]00 motion_type at 8 16
[mpeg2video @ 0xb7954168]00 motion_type at 17 18
[mpeg2video @ 0xb7954168]00 motion_type at 19 19
[mpeg2video @ 0xb7954168]ac-tex damaged at 7 19
[mpeg2video @ 0xb7954168]invalid cbp at 25 20
[mpeg2video @ 0xb7954168]00 motion_type at 18 21
[mpeg2video @ 0xb7954168]00 motion_type at 16 22
[mpeg2video @ 0xb7954168]00 motion_type at 3 23
[mpeg2video @ 0xb7954168]00 motion_type at 5 24
[mpeg2video @ 0xb7954168]00 motion_type at 2 25
[mpeg2video @ 0xb7954168]00 motion_type at 24 26
[mpeg2video @ 0xb7954168]00 motion_type at 4 27
[mpeg2video @ 0xb7954168]00 motion_type at 37 28
[mpeg2video @ 0xb7954168]00 motion_type at 35 29
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 7 31
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 7 33
[mpeg2video @ 0xb7954168]00 motion_type at 7 34
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 9 7
[mpeg2video @ 0xb7954168]00 motion_type at 16 8
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 6 10
[mpeg2video @ 0xb7954168]00 motion_type at 4 11
[mpeg2video @ 0xb7954168]00 motion_type at 5 12
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]invalid cbp at 1 15
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]ac-tex damaged at 8 17
[mpeg2video @ 0xb7954168]00 motion_type at 22 18
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 4 20
[mpeg2video @ 0xb7954168]00 motion_type at 1 21
[mpeg2video @ 0xb7954168]ac-tex damaged at 28 22
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 1 23
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 1 25
[mpeg2video @ 0xb7954168]00 motion_type at 9 26
[mpeg2video @ 0xb7954168]00 motion_type at 9 27
[mpeg2video @ 0xb7954168]00 motion_type at 24 28
[mpeg2video @ 0xb7954168]00 motion_type at 2 29
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 3 30
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 3 33
[mpeg2video @ 0xb7954168]ac-tex damaged at 3 34
[mpeg2video @ 0xb7954168]end mismatch left=9014
[mpeg2video @ 0xb7954168]ac-tex damaged at 27 13
[mpeg2video @ 0xb7954168]00 motion_type at 16 14
[mpeg2video @ 0xb7954168]00 motion_type at 30 15
[mpeg2video @ 0xb7954168]00 motion_type at 35 16
[mpeg2video @ 0xb7954168]00 motion_type at 5 17
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]ac-tex damaged at 13 19
[mpeg2video @ 0xb7954168]00 motion_type at 3 20
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 4 21
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 7 23
[mpeg2video @ 0xb7954168]00 motion_type at 15 24
[mpeg2video @ 0xb7954168]00 motion_type at 36 25
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 0 27
[mpeg2video @ 0xb7954168]00 motion_type at 7 27
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]ac-tex damaged at 11 29
[mpeg2video @ 0xb7954168]00 motion_type at 10 30
[mpeg2video @ 0xb7954168]00 motion_type at 7 31
[mpeg2video @ 0xb7954168]00 motion_type at 29 32
[mpeg2video @ 0xb7954168]00 motion_type at 6 33
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]ac-tex damaged at 23 35
[mpeg2video @ 0xb7954168]ac-tex damaged at 2 15
[mpeg2video @ 0xb7954168]ac-tex damaged at 6 16
[mpeg2video @ 0xb7954168]ac-tex damaged at 3 17
[mpeg2video @ 0xb7954168]00 motion_type at 11 18
[mpeg2video @ 0xb7954168]00 motion_type at 13 19
[mpeg2video @ 0xb7954168]ac-tex damaged at 19 20
[mpeg2video @ 0xb7954168]00 motion_type at 11 21
[mpeg2video @ 0xb7954168]00 motion_type at 2 22
[mpeg2video @ 0xb7954168]00 motion_type at 13 23
[mpeg2video @ 0xb7954168]00 motion_type at 12 24
[mpeg2video @ 0xb7954168]00 motion_type at 11 25
[mpeg2video @ 0xb7954168]ac-tex damaged at 30 26
[mpeg2video @ 0xb7954168]00 motion_type at 15 27
[mpeg2video @ 0xb7954168]00 motion_type at 36 28
[mpeg2video @ 0xb7954168]00 motion_type at 13 29
[mpeg2video @ 0xb7954168]00 motion_type at 39 30
[mpeg2video @ 0xb7954168]ac-tex damaged at 11 31
[mpeg2video @ 0xb7954168]00 motion_type at 14 32
[mpeg2video @ 0xb7954168]00 motion_type at 5 33
[mpeg2video @ 0xb7954168]00 motion_type at 9 34
[mpeg2video @ 0xb7954168]00 motion_type at 17 35
[mpeg2video @ 0xb7954168]invalid cbp at 11 25
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 33 26
[mpeg2video @ 0xb7954168]ac-tex damaged at 16 27
[mpeg2video @ 0xb7954168]00 motion_type at 12 28
[mpeg2video @ 0xb7954168]ac-tex damaged at 37 29
[mpeg2video @ 0xb7954168]00 motion_type at 2 31
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]00 motion_type at 1 32
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]00 motion_type at 1 34
[mpeg2video @ 0xb7954168]00 motion_type at 32 35
[mpeg2video @ 0xb7954168]00 motion_type at 8 24
[mpeg2video @ 0xb7954168]00 motion_type at 21 25
[mpeg2video @ 0xb7954168]00 motion_type at 20 26
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]ac-tex damaged at 0 28
[mpeg2video @ 0xb7954168]invalid cbp at 0 29
[mpeg2video @ 0xb7954168]invalid mb type in P Frame at 39 30
[mpeg2video @ 0xb7954168]ac-tex damaged at 0 31
[mpeg2video @ 0xb7954168]00 motion_type at 3 32
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]end mismatch left=5047
[mpeg2video @ 0xb7954168]Warning MVs not available
[mpeg2video @ 0xb7954168]invalid cbp at 0 3
[mpeg2video @ 0xb7954168]mb incr damaged
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]00 motion_type at 0 6
[mpeg2video @ 0xb7954168]00 motion_type at 2 7
[mpeg2video @ 0xb7954168]00 motion_type at 32 8
[mpeg2video @ 0xb7954168]00 motion_type at 5 9
[mpeg2video @ 0xb7954168]00 motion_type at 1 10
[mpeg2video @ 0xb7954168]00 motion_type at 21 12
[mpeg2video @ 0xb7954168]00 motion_type at 14 12
[mpeg2video @ 0xb7954168]00 motion_type at 17 13
[mpeg2video @ 0xb7954168]00 motion_type at 0 14
[mpeg2video @ 0xb7954168]00 motion_type at 6 15
[mpeg2video @ 0xb7954168]00 motion_type at 8 16
[mpeg2video @ 0xb7954168]slice mismatch
[mpeg2video @ 0xb7954168]00 motion_type at 5 18
[mpeg2video @ 0xb7954168]00 motion_type at 2 19
[mpeg2video @ 0xb7954168]00 motion_type at 8 20
[mpeg2video @ 0xb7954168]invalid mb type in B Frame at 3 21
[mpeg2video @ 0xb7954168]00 motion_type at 5 22
[mpeg2video @ 0xb7954168]00 motion_type at 4 23
[mpeg2video @ 0xb7954168]00 motion_type at 1 24
[mpeg2video @ 0xb7954168]00 motion_type at 6 25
[mpeg2video @ 0xb7954168]00 motion_type at 18 26
[mpeg2video @ 0xb7954168]00 motion_type at 5 27
[mpeg2video @ 0xb7954168]00 motion_type at 1 28
[mpeg2video @ 0xb7954168]00 motion_type at 3 29
[mpeg2video @ 0xb7954168]00 motion_type at 15 31
[mpeg2video @ 0xb7954168]invalid mb type in B Frame at 6 32
[mpeg2video @ 0xb7954168]00 motion_type at 11 33
[mpeg2video @ 0xb7954168]00 motion_type at 28 34
[mpeg2video @ 0xb7954168]00 motion_type at 0 35

-- 
Simon Kenyon
email:  simon at koala.ie
tel:    +353 1 805 9290
mobile: +353 86 240 0005

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