[linux-dvb] DiB3000MC rewritten and MT2060 is ready to go into main

Patrick Boettcher patrick.boettcher at desy.de
Mon Aug 21 13:25:46 CEST 2006


Hi Matthieu,

I committed a modification to finally fix it.

regards,
Patrick.

--
  Mail: patrick.boettcher at desy.de
  WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/


On Sun, 20 Aug 2006, matthieu castet wrote:
> Patrick Boettcher wrote:
> > Hi Matthieu,
> > 
> > I added something to my repository which should fix it:
> > 
> > Can you give it a try:
> > http://linuxtv.org/hg/~pb/v4l-dvb
> > 
> The patch doesn't work : in OUTMODE_MPEG2_FIFO you still erase the pid parse
> bit.
> 
> Here a patch that works.
> 
> Unfortunately on french tnt, the bandwidth share on a transponder is not usb1
> friendly :
> - the transponder bandwidth is 24 Mbps
> - there are 5 or 6 channels per transponder (it make an average 4Mbps
> bandwidth)
> 
> Instead of having all channel near the average 4Mbps, they put the average
> lower (2.5-3 Mbps) and the extra bandwidth is given (sometimes randomly) to
> some channels.
> This make peak > 7 Mbps on some channels [1] and usb1 mode doesn't seem to
> support such bandwidth (may be if iso were used, it could have worked).
> 
> Some transponder are more usb1 friendly and put the extra bits in pid 8191 (up
> to 4-5 Mbps)...
> 
> [1]
> -PID--FREQ-----BANDWIDTH-BANDWIDTH-
> 0000     9 p/s     1 kb/s    14 kbit
> 0017     0 p/s     0 kb/s     1 kbit
> 0018    10 p/s     1 kb/s    16 kbit
> 0021     1 p/s     0 kb/s     2 kbit
> 0110     9 p/s     1 kb/s    14 kbit
> 0120  2156 p/s   395 kb/s  3242 kbit
> 0130   132 p/s    24 kb/s   198 kbit
> 0140     2 p/s     0 kb/s     4 kbit
> 0210     9 p/s     1 kb/s    14 kbit
> 0220  2992 p/s   549 kb/s  4499 kbit
> 0230   131 p/s    24 kb/s   197 kbit
> 0240     1 p/s     0 kb/s     2 kbit
> 0310     9 p/s     1 kb/s    14 kbit
> 0320  4785 p/s   878 kb/s  7197 kbit
> 0330   131 p/s    24 kb/s   197 kbit
> 0340     2 p/s     0 kb/s     4 kbit
> 0410     9 p/s     1 kb/s    14 kbit
> 0420  1458 p/s   267 kb/s  2193 kbit
> 0430   132 p/s    24 kb/s   198 kbit
> 0440     2 p/s     0 kb/s     4 kbit
> 0510     9 p/s     1 kb/s    14 kbit
> 0520  1743 p/s   320 kb/s  2622 kbit
> 0530   132 p/s    24 kb/s   198 kbit
> 0531   132 p/s    24 kb/s   198 kbit
> 0541     2 p/s     0 kb/s     4 kbit
> 0542     3 p/s     0 kb/s     5 kbit
> 0610     9 p/s     1 kb/s    14 kbit
> 0620  1419 p/s   260 kb/s  2134 kbit
> 0630   132 p/s    24 kb/s   198 kbit
> 0640     1 p/s     0 kb/s     2 kbit
> 0660     8 p/s     1 kb/s    13 kbit
> 1010     9 p/s     1 kb/s    14 kbit
> 8191   926 p/s   170 kb/s  1393 kbit
> 8192 16540 p/s  3036 kb/s 24877 kbit
> 
> 
> Signed-off-by: Matthieu CASTET <castet.matthieu at free.fr>




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