So I was looking through the ivtv.py file and noticed that freevo uses
some odd re-mapping for the encoder:
IVTV_STREAM_PS 0 -> 0: MPEG-2 Program Stream
IVTV_STREAM_TS 1 -> 3:
IVTV_STREAM_MPEG1 2 -> 2: MPEG-1 System Stream
IVTV_STREAM_PES_AV 3 -> 3:
IVTV_STREAM_PES_V 5 -> 3:
IVTV_STREAM_PES_A 7 -> 3:
IVTV_STREAM_DVD 10 -> 3: MPEG-2 DVD-compatible Stream
IVTV_STREAM_VCD 11 -> 4: MPEG-1 VCD-compatible Stream
IVTV_STREAM_SVCD 12 -> 5: MPEG-2 SVCD-compatible Stream
IVTV_STREAM_DVD_S1 13 -> 3:
IVTV_STREAM_DVD_S2 14 -> 3:
I suppose either works, From what I gather from the ivtv docs is that 0
is probably wat I want, highest quality mpeg, which isn't all that high
anyway.
Also tv.v4l2.Videodev.updatecontrol(self, 'Video Aspect',
codec.aspect-1)
kinda gives away why the aspect is off by one. I think this was
introduced to fix an issue where ther ivtv driver itself was wrong, but
they long ago fixed this I belive, so in order to be in sync with the
ivtv driver, i think the -1 would need to be removed.
Oliver
John Molohan wrote:
> oliver wrote:
>
>> Hey,
>>
>> I've noticed the array IVTV_OPTIONS isn't quite up to date with the
>> output of v4l2-ctl for the IVTV kind of cards. For example, it lists the
>> old name aspect, which is now called aspect_video. I noticed the backend
>> works reasonable well with it (I think there's an offset of 1 but I
>> noticed a while ago that it may have been fixed in cvs allready).
>>
>> A nother thing is that stream_type is completly being ignored, it's
>> always set to '3' (out of 0 - 5) which is a reasonable quality, but
>> might aswell use the highest setting I figure as i'm not timeshifting.
>>
>>
> Grep says that /usr/lib/python2.5/site-packages/freevo/tv/ivtv.py is the
> only file that stream_types exists in. If you have time to do some
> testing you should be able to find an answer there. If you do find a
> problem a patch would be great.
> http://freevo.sourceforge.net/about/trackers.php
>
>
>> I can't set them properly before starting freevo because freevo always
>> changes the settings when starting a TV stream.
>>
>> Also, the Ch+ key makes mplayer crash horribly, I have configured it to
>> send the Ch+ command to freevo, and nothing else. When playing other
>> files, it'll skip fwd/backward but when watching TV it should change
>> channels? It tries to skip fwd/backwards and just hangs due to missing
>> data obviously.
>>
>> Oliver
>>
> It's working with MPlayer 1.0-1.rc2.18.2plf2009.0-4.3.2 for me so
> hopefully a change of mplayer versions should fix it for you.
>
> John
>
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