On Tue, Jun 23, 2009 at 12:43 PM, Rob Davis<r...@davis-family.info> wrote:
> Alex Lasnier wrote:
>> Rob Davis wrote:
>>
>>> I have it normally connected to Comcast cable which should pipe through
>>> a bunch of FTV channels using QAM256. These I can see and hear in
>>> kaffeine with AC97 audio. However, in VDR it appears to change the pids
>>> automatically so that the audio stops working. If I manually change VDR
>>> to not auto update and put the APID in then it squeeks rather than
>>> works. However, streaming to mplayer using streamdev seems to work. (It
>>> does the same this with OTA channels too - although I can only get 4
>>> with a portable antenna.)
>>>
>>
>> ATSC uses only AC-3 audio, so the Apid should be 0 and the Dpid needs to
>> be set appropriately. Since the sound squeaks, whatever value you have
>> set for the Apid should be the Dpid.
>>
>> For example,
>>
>> WIFR-Wx:495000:M256:C:0:1984:0;Dpid:0:0:2:0:0:0
>>
>>
> Perfect... Thanks
>
> Is there a way to keep auto update on, but stop Comcast from sending
> wrong pids? It keeps settings all audio options to 0 and some vpids too?
>
The streamtype for those AC3 PIDs is 0x81. Adding this to pat.c will
add the digital PIDs correctly.
--- pat.c~ 2009-06-22 12:28:08.000000000 -0400
+++ pat.c 2009-06-22 13:32:48.461538560 -0400
@@ -432,6 +432,9 @@
}
}
break;
+ case 0x81: // AC3 DPIDs
+ Dpids[NumDpids++] = stream.getPid();
+ break;
//default: printf("PID: %5d %5d %2d %3d %3d\n",
pmt.getServiceId(), stream.getPid(), stream.getStreamType(),
pmt.getVersionNumber(), Channel->Number());//XXX
}
for (SI::Loop::Iterator it; (d =
(SI::CaDescriptor*)stream.streamDescriptors.getNext(it,
SI::CaDescriptorTag)); ) {
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