[mythtv-users] keyframes in cut list editor off by one frame

Karl Newman newmank1 at asme.org
Sat Aug 23 17:56:23 UTC 2014


On Sat, Aug 23, 2014 at 5:00 AM, Karl Dietz <dekarl at spaetfruehstuecken.org>
wrote:

> On 23.08.2014 13:27, Mark Perkins wrote:
>
>> On 23 Aug 2014, at 6:42 pm, "John Pilkington"<J.Pilk at tesco.net>  wrote:
>>>
>>>> On 23/08/14 04:06, Tony Sauri wrote:
>>>> I read the wiki documentation for the
>>>> recordrdseek table at http://www.mythtv.org/wiki/Recordedseek_table
>>>>   which says :
>>>>
>>>>            TYPE     MARK-TYPE
>>>>         6    MARK_GOP_START
>>>>         7    MARK_KEYFRAME
>>>>         8    MARK_SCENE_CHANGE
>>>>         9    MARK_GOP_BYFRAME
>>>>
>>>>
>>> After a short header it shows only type="9" (byte) and type="33" (ms)
>>> marks.  I suspect the others may now be unused.
>>>
>>>
>> nearly all type 9 and type 33 with about a dozen type 4/5 which I'll
>> guess are commflag boundaries. And one type 34.
>>
>> Certainly no type 7's. (Sample size 1 recording).
>>
>
> see also the reference documentation on MarkTypes at
> https://code.mythtv.org/doxygen/programtypes_8h.html#
> a71e3f15627bb7ab7759921625bfbd673
>
> sadly its without numbers and descriptions, but the numbers are here
> https://code.mythtv.org/doxygen/programtypes_8h_source.html#l00049
>
> Regards,
> Karl
>

Just another data point. My recordings are all MPEG-2 from a PVR-500, and a
'SELECT type, COUNT(type) FROM recordedseek;' shows 6: 196220, 9: 6390189,
33: 5517475. For about ~1200 recordings.

Karl
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