[vdr] Choice of recording format
Klaus.Schmidinger at cadsoft.de
Mon Jan 12 10:49:01 CET 2009
On 12.01.2009 10:42, Magnus Hörlin wrote:
>> -----Ursprungligt meddelande-----
>> Från: vdr-bounces at linuxtv.org [mailto:vdr-bounces at linuxtv.org] För
>> jori.hamalainen at teliasonera.com
>> Skickat: den 12 januari 2009 09:52
>> Till: vdr at linuxtv.org
>> Ämne: Re: [vdr] Choice of recording format
>>> TS is what's broadcast, so every device that's able to play DVB
>>> must be able to play TS. Therefore recording the TS "as is" (of course
>>> the PIDs belonging to one programme) makes the most sense.
>> I am hoping that recording takes all PIDs belonging to a program,
>> all private streams for all subtitles. And even without any plugin to
>> them. Later when you process the file with some other software, then
>> or other sound tracks might be needed. Or they can be discarded on TS
>> later. But you cannot generate them if you don't have them.
>> I think removing 'not plugin requested PIDs' saves very little space on
>> And proportionally even less for HD recordings.
>> For a hour HD programme (
>> HD H.264: ~5.5GB (@ 12Mbps)
>> AC3: ~170MB (@ 384kbps)
>> MPEG2 audio: ~100MB (@ 224kbps)
>> DVB subtitles: 50MB (just a guess 50kb per subtitle image * 1000 subtitles
>> per show)
>> TXT subtitles: 0.5MB (just a guess 0.5kB * 1000 subtitles per show)
>> So I suggest on TS-format (at least make it setup-menu configurable):
>> - record all audio tracks
>> - record all dvb subtitles tracks
>> - record all txt subtitles tracks (might be handy on MKV & SRT-conversion)
>> - I know Klaus' intention to convert TXT -> DVB subtitles just to store
>> format on file at recording time? But I don't like that because it is
>> recording the original stream.
>> - Jori
> Thanks Jori, I fully agree. Hope Klaus does too....
The TS version of VDR records exactly the same PIDs as the PES version did.
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