hverkuil at xs4all
Jun 2, 2009, 10:39 PM
Post #2 of 2
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On Wednesday 27 May 2009 09:43:19 Martin Dauskardt wrote:
> The datasheet of the cx23415
> (http://digchip.com/datasheets/download_datasheet.php?id=244968&part-numb
>er=CX23415) says
>
> Video Decoding
> • Supports MPEG-2 and MPEG-1
> - 525/60 (NTSC) up to 720x480 @ 30 fps
> - 625/50 (PAL) up to 720x576 @ 25 fps
> • 144-tap horizontal up and down filter
> • 64-tap vertical up and down filter
> • Letterbox conversion from 16:9 to 4:3, 3:2 pulldown
> • Supports elementary, Program and Transport streams
>
> The block diagramm also mentions "Program/TS/ES Demux".
>
> vdr switched to TS as recording format, and I wonder if I really need to
> implement a TS to PES conversion inside the pvr350-plugin. According to
> the data sheet, the hardware should be able to play a TS.
>
> I tried "cat 00001.ts > /dev/video16" , but it doesn't work.
>
> Is there anything PES-specific inside the ivtv driver which coulld
> prevent from playing TS?
Not that I know of.
> Is it possible to implement the TS replay ability in the driver? (This
> was done for example in the av7110 driver short time ago)
It's pretty much a firmware feature over which we have basically no control.
You can try to find a really old decoder firmware and see if it works
there. I know they stripped the TS support from the encoder fw at some
time, they may have done the same for the decoder fw.
Regards,
Hans
> Does anybody have a Windows installation and could test if the windows
> driver can play the following file **on the TV output**:
> http://drseltsam.device.name/vdr/00001.ts
> (I think playing it on the TV screen would not be an indicator for
> decoder ability, as it uses software decoding)
>
> _______________________________________________
> ivtv-devel mailing list
> ivtv-devel [at] ivtvdriver
> http://ivtvdriver.org/mailman/listinfo/ivtv-devel
--
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom
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