[mythtvnz] Debugging DTT support

[Steven Ellis]

On Wed, April 2, 2008 2:59 pm, Craig Whitmore wrote:
>
> On Wed, 2008-04-02 at 14:16 +1200, Steven Ellis wrote:
>> I'll try and write the up properly at mythtv.co.nz but for the moment
>> for
>> anyone with a DTT capture card the following might be useful.
>>
>> Step 1
>> Grab a copy of mplayer from SVN as you will need all of the latest
>> patches.
>>  svn co svn://svn.mplayerhq.hu/mplayer/trunk
>>
>> Step 2
>> You will need a ~/.mplayer/channels.conf file, see attached as an
>> example
>
> The file is a little corrupt with line breaks :-( I've attached a new
> one.
>
>>
>> Step 3
>> Grab some samples from the major channels, eg
>>
>> mplayer -dumpstream -dumpfile tv6.ts dvb://"TVNZ 6"
>>
>> Step 4
>> Try and playback the samples using your SVN build of mplayer
>>
>> Step 5
>> Report back what does/doesn't work and your setup, eg
>> Processor
>> RAM
>> OS version
>> Additional patches
>> Load for 720p
>> Load for 576i
>> Load for 1080i
>
> I have set up an anonymous ftp for uploading any files which don't play
> correctly if ppl want to upload the files. It is on a fast connection
> with plenty of space so no problem uploading large files to it.
>
> anonymous ftp to 60.234.76.50 and put any files in /pub/incoming

Nice. Better keep an eye on it for warez dumps.

>>
>> Known Issues
>> 1. HE-AAC LATM audio can report odd errors or occasionally not work
>> 2. HE-AAC Audio sync issues on interlaced video
>
> yes this is quite anoying
>
>> 3. Odd video artifacts on interlaced streams
>
> yes..  the most anoying

Craig - Care to supply your test rig specs and how well 720p performs.

--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
sales   - sales at openmedia.co.nz
support - support at openmedia.co.nz
website - http://www.openmedia.co.nz