[vdr] PCR pid

Klaus Schmidinger Klaus.Schmidinger at tvdr.de
Tue Jan 26 18:36:07 CET 2010


On 24.01.2010 19:22, André Weidemann wrote:
> On 24.01.2010 18:14, Klaus Schmidinger wrote:
>> On 24.01.2010 17:24, André Weidemann wrote:
>>> Hi Klaus,
>>>
>>> On 24.01.2010 16:28, Klaus Schmidinger wrote:
>>>> On 11.01.2010 06:19, VDR User wrote:
>>>>> On Sun, Jan 10, 2010 at 12:30 AM, Giampaolo Sica<gpsica at tin.it>  
>>>>> wrote:
>>>>>> My Samsung linux based TV set (http://samygo.sourceforge.net/) won't
>>>>>> play
>>>>>> .TS without PCR (both h.264 and mpeg2).
>>>>>> Windows media player in windows 7 can play mpeg2 and H.264 .TS only
>>>>>> with PCR
>>>>>> pid.
>>>>>> I haven't tried any other player.
>>>>>
>>>>> I would say your problem should be addressed within your hacked tv
>>>>> firmware.  However, if there is a real need for PCR then I'm sure
>>>>> Klaus will consider it.
>>>>
>>>> In an attempt to debug this I just made some recordings from channels
>>>> with VPID==PPID and VPID!=PPID, namely
>>>>
>>>> RTL Television,RTL;RTL
>>>> World:12187:hC34M2O0S0:S19.2E:27500:163=2:104=deu;106=deu:105:0:12003:1:1089:0
>>>>
>>>>
>>>> BVN;CANALDIGITAAL:12574:hC56M2O0S0:S19.2E:22000:515+8190=2:96=dut:36:0:5025:53:1109:0
>>>>
>>>>
>>>>
>>>> Both recordings were replayed without problems using the Windows Media
>>>> Player
>>>> on Windows XP. It didn't even make a difference whether the PCR pid in
>>>> the
>>>> PMT was set to an actual value or to 0x1FFF.
>>>>
>>>> I was under the impression that the WMP was one of those players
>>>> that have problems if there is no PCR, but apparently it plays just
>>>> fine...
>>>
>>> Could you please do a quick test with VLC 1.0.3 under Windows? I cannot
>>> replay any recordings made from AnixeHD recorded with vdr-1.7.11. Upon
>>> replay I only get a still picture of the first recorded frame.
>>
>> Are you referring to
>>
>>    ANIXE
>> HD;BetaDigital:10832:hC23M5O35S1:S19.2E:22000:767=27:0;771=deu:0:1:61202:1:1057:0
>>
> 
> Yes, this is it.
> 
>> --- remux.c     2010/01/23 15:39:15     2.38
>> +++ remux.c     2010/01/24 15:18:29     2.39
>> @@ -295,7 +295,7 @@
>>     numPmtPackets = 0;
>>     if (Channel) {
>>        int Vpid = Channel->Vpid();
>> -     int Ppid = 0x1FFF; // no PCR pid
>> +     int Ppid = Channel->Ppid();
>>        uchar *p = buf;
>>        int i = 0;
>>        p[i++] = 0x02; // table id
>>
>> That should fix it - this channel doesn't have a separate PCR pid.
> 
> The above patch fixes the replay problem with VLC. Thank you.

Have you tested with both versions, PPID==VPID and PPID!=VPID?

Klaus



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