How to treat a recorded HDTV "ts"..?

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Nokios
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How to treat a recorded HDTV "ts"..?

Postby Nokios » Wed Jul 05, 2006 6:32 pm

To record correctly from a HD Channel,I use the "Render-less Mode", and because of a problem I still have with recording in "mpeg2" I record in "ts".

Trying PAVStrumento and ProjectX to demux gives me an error like "Video GOP too big "

Can anybody help..?? Thank you.

TwinHan red 1020A
CPU Intel 2Mb,1GB RAM,
Motorized 2.4m dish, Single LNB
No Diseqc
ATI All in Wonder 7500 display (with Analog TV),
I live in the Middle East and mainly watch Hotbird
dvbdream.exe 1.4 i ........Patched
DtvVideo.sys 2.4.1.0 (2/26/2004)
DtvAudio.sys 2.4.1.0 (2/26/2004)
dmz01
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Postby dmz01 » Wed Jul 05, 2006 9:55 pm

Did you generate PAT and PMT or are you trying to open the raw TS file?
Nokios
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Postby Nokios » Thu Jul 06, 2006 4:18 am

Did you generate PAT and PMT or are you trying to open the raw TS file?
I do not even know what are PAT & PMT...Should I generate these ? and how ?

I only have the file produced by DD 1.1h..
TwinHan red 1020A
CPU Intel 2Mb,1GB RAM,
Motorized 2.4m dish, Single LNB
No Diseqc
ATI All in Wonder 7500 display (with Analog TV),
I live in the Middle East and mainly watch Hotbird
dvbdream.exe 1.4 i ........Patched
DtvVideo.sys 2.4.1.0 (2/26/2004)
DtvAudio.sys 2.4.1.0 (2/26/2004)
dmz01
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Joined: Sun Jun 18, 2006 8:28 pm

Postby dmz01 » Thu Jul 06, 2006 7:17 am

TS stands for Transport Stream. Each satellite transponder carries a single transport stream with multiple channels multiplexed together. PAT or Program Association Table defines those channels. PMT or Program Map Table defines the individual elementary streams (audio/video/cc etc) within a single channel. Currently when you record TS in DvbDream, it only records a single channel elementary a/v streams without generating new appropriate PAT and PMT. There is an ask in the "Feature Requests" forum for PAT/PMT generation: http://www.dvbdream.org/forum/viewtopic.php?t=100, which when added will allow the TS to be read by most players/editors etc, but for now it is not compliant.
Nokios
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Postby Nokios » Thu Jul 06, 2006 7:54 am

Thank you dmz01 for your clear reply..
I conclude from it that,for the time being,the recorded ts from HD channels is completely useless...is it what you mean ?



But...

....the ts from non-HD channels work perfectly well with PAVStrumento and ProjectX.

They do not need any PAT or PMT ....

They are readily demuxed then muxing programs produce normal mpeg2 files ...
TwinHan red 1020A
CPU Intel 2Mb,1GB RAM,
Motorized 2.4m dish, Single LNB
No Diseqc
ATI All in Wonder 7500 display (with Analog TV),
I live in the Middle East and mainly watch Hotbird
dvbdream.exe 1.4 i ........Patched
DtvVideo.sys 2.4.1.0 (2/26/2004)
DtvAudio.sys 2.4.1.0 (2/26/2004)
dmz01
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Posts: 32
Joined: Sun Jun 18, 2006 8:28 pm

Postby dmz01 » Thu Jul 06, 2006 8:26 am

There are a couple of differences between HD and SD channels:

1) the obvious one - data rate is 3x-6x that of the SD stream
2) MPEG2 profile/level - SD uses MP@ML and HD uses MP@HL (MP - main profle, ML - main level, HL - high level)
3) Usually SD channels have MPEG audio and HD channels use AC3

Those are just a few, I'm sure there are other differences as well. Can the programs you listed cope with those?
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rel
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Postby rel » Thu Jul 06, 2006 8:49 am

Trying PAVStrumento and ProjectX to demux gives me an error like "Video GOP too big "
most of TV channels send long GOP packets. ProjectX probably displays that error message because of that it cant produce a compliant mpeg output from that. (DVD-compliant mpg files needs smaller GOPs)

try other softwares for ts-mpg convertion. Some software might support to divide GOPs to smaller groups.
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seeme
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Postby seeme » Sat Dec 23, 2006 6:04 am

TS works perfectly also with Mpeg4Maker. I am able to fit 3 movies in one DVD5 (4.7GB) using nero 7 premium.

However, if at one point the movie had an error due to bad weather recording. Writing with nero seems to loose some frames and therefore, from the point where there is video error, audio/video sync is no longer okey although when converting ts recorded movie using Mpeg4Maker, the audio/video sync does not change even with movie errors.

Does anyone knows how to make nero not drop any frames?
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