60i container help

[Bengali]

Hi,

would appreciate your help with this. I have no success in finding a solution.

the panasonic gh1 records the video in the 60i container avchd (*.mts)

My goal is to be able to burn to dvd to archive and playback the gh1 files. The problem is
the jvc blu ray will only playback avchd in 30fps.

I've searched for 60fps to 30fps converters but cannot find anything that will retain the avchd *.mts files.
I don't want to convert to *.avi,etc.. that just consumes a lot of hard drive space and time.

I have the done following with their sample 30fps file. It plays just fine on the jvc bdp.

http://avchduser.com/articles/avchd_to_bluray.jsp

thanks

[aedipuss]

you have other problems. the camera shoots 24p wrapped in 60i. you need to inverse telecine back to 24p before doing anything with it. your best bet is to buy neoscene to use with an nle.

[Bengali]

you have other problems. the camera shoots 24p wrapped in 60i. you need to inverse telecine back to 24p before doing anything with it. your best bet is to buy neoscene to use with an nle.

Hi,

actually the GH1 can do two modes, 24p or 30fps depending on if you want 1080 or 720. I've already tried neoscene.
Unfortunately it converts it to *.avi and is very time consuming.

You would think there would be a quick/simple way of converting the 60fps to 30fps and keep the avchd format.

thanks

[jagabo]

60i is 30 fps. Unfortunately, marketing has decided to call 30i 60i because it sounds better. All this does is lead to confusion.

[manono]

You would think there would be a quick/simple way of converting the 60fps to 30fps and keep the avchd format.

If you're performing an IVTC it has to be reencoded, slow if using a hi-def source. And it's not 60fps. If you don't want to IVTC and reencode, following that guide to which you linked should get you a playable Blu-Ray compliant file. Have you even tried yet?

your best bet is to buy neoscene to use with an nle.

And if it really is telecined and has to be IVTC'd, why does he have to buy anything? Can't he just use one of the IVTC's in AviSynth?

[Bengali]

60i is 30 fps. Unfortunately, marketing has decided to call 30i 60i because it sounds better. All this does is lead to confusion.

60i or 30fps, it does not playback. I checked the properties and it displays 59.xxx fps, not 29.xxx fps. So, yes, telecined
is what you call it(?) for the GH1 video files.

And if it really is telecined and has to be IVTC'd, why does he have to buy anything? Can't he just use one of the IVTC's in AviSynth?

I did come across some post of using avisynth, something about select or change command. I have avisynth installed
but don't know how to use it. It said some like using virtualdub so I installed that. unfortunately, virtualdub does NOT
support *.mts files. What do you suggest I use to open the *.mts file and run avisynth to change to 30fps? any details
is appreciated regarding running the script. I'm new to all this

AVCHD must be pretty new? You would think if the BDP says it can play AVCHD, it should not matter if it's 60fps or 30fps.

thanks!

[Bengali]

If you're performing an IVTC it has to be reencoded, slow if using a hi-def source. And it's not 60fps. If you don't want to IVTC and reencode, following that guide to which you linked should get you a playable Blu-Ray compliant file. Have you even tried yet?

yes, tried with the sample file from the guide website. it plays back fine. I check it's sample file(29.xxx fps).
I did the same with my files(59.xxx). it will not play it. I've confirmed with JVC support since I sent them a clip
of my file and they said since its 60fps, it will not play it. needs to be 30fps.

thanks

[jagabo]

I recommend you post a short sample with some motion.

[aedipuss]

you have other problems. the camera shoots 24p wrapped in 60i. you need to inverse telecine back to 24p before doing anything with it. your best bet is to buy neoscene to use with an nle.

Hi,

actually the GH1 can do two modes, 24p or 30fps depending on if you want 1080 or 720. I've already tried neoscene.
Unfortunately it converts it to *.avi and is very time consuming.

You would think there would be a quick/simple way of converting the 60fps to 30fps and keep the avchd format.

thanks

the 30fps it shoots is mjpeg 720p not avchd.

neoscene is supposed to create a lossless 24p avi. you take that and edit and then encode it to whatever final format you want. any ivtc is going to be slow, that's just how it is.

[poisondeathray]

Technically 30p isn't compliant, so if you removed the 2:2 pulldown (30p in 60i), it wouldn't work. It needs that 60i signal to be standards compliant. A native 30p stream wouldn't play at all - it doesn't fall within blu-ray or AVCHD specs. Even robust players like PS3 which can play non-compliant streams have difficulty playing 30pN (native 30p), but this will vary by model. Some can play very non compliant streams

(When we say 60i , we also mean 30i which are exactly the same thing 60fields per second, or 30frames per second)

You can try multiavchd just to author a disc, but it will depend on your player model if it can "see" the 30p content in 60i container (i.e. has 2:2 pulldown removal capability)

If what aedipus says is correct, that it's mjpeg you are shooting in that mode, you will have to re-encode it anyway

[jagabo]

Wait, I seem to recall there is some problem with Panasonic's M2T files where they are flagged incorrectly. I think a simple remux or header patch that fixes the issue. Then you can make AVCHD discs with no problem. I'll have to search for the thread where this was addressed before...

[poisondeathray]

I suspect just throwing the clips into multiavchd should work on most players

There are hundreds of GH1 users, and forums & subfoums dedicated to that camera, the answers could probably be easily dug up there

[jagabo]

I didn't find the thread that dealt with this (it may have been a Canon camera, not Panasonic) but I would try the simple things first: rename the file with a .TS or .M2TS extension. Try a quick remux with TsSniper or h264TS_Cutter.

[Bengali]

thanks everyone.

to answer some of your questions. I'm shooting in avchd mode, not mpg mode. mpg mode limits to 20mins of recording
and the quality is not the same as in avchd mode. I'm not trying to convert to another format, it just defeats the purpose
of my bdp being able to play avchd.

I tried multiavchd for usb stick and that did not work. I'll try tonight for DVD format.

I can upload a sample but I'm not sure what the limit is for this forum. even short 4sec clip takes about 5MB. I'll try to upload
this evening if it will allow me.

yes, I've posted on gh1 forums but no response. most users over there are using NLE. I read a few posts here and see that you guys are the guru's.

I'll take a look a the TsSniper and the h265Ts_Cutter.

thanks!

[Bengali]

here are the recording formats for the GH1.

I'm recording in AVCHD 1280x720 NTSC HD mode which is 60p.

It will record Full HD but in 60i or 24fps.

[poisondeathray]

Here you go, from a GH1 subforum: This might not work with your specific player, and the user didn't specify which type of GH1 clips were being used

We have a winner: MultiAVCHD with ImgBurn. Thanks for everyone's suggestions.

I found this forum thread that discusses my exact issue, but I still couldn't get discs to play, after following their suggestions (I think there are subtle details that make a big difference).

Because this is really an issue with the LG super-blu players, I don't want to waste everyone's time on this forum, but it might help someone else if I document my steps (at a high level). Just to be clear, this procedure allows you to play AVCHD files on a Blu-ray player, using a standard DVD disc.

1) In MultiAVCHD v3.0 (build 704), browse to your \Private\AVCHD\ folder, and wait for it to parse the folders
2) Set the 'Destination path' and 'Output folder suffix'
3) On the 'Settings' tab, select "Use ImgBurn with DVD/BD-R output", and browse for the ImgBurn.exe (note that it must be ImgBurn v2.4.2, or later)
4) Leave all other MultiAVCHD settings at their defaults for now
5) Click the large 'Start' button
6) On the "Select destination media" screen, select the button "For all Blu-ray players"
7) Wait for MultiAVCHD to build your project
8) MultiAVCHD automatically calls ImgBurn once it finishes the project
9) On the 'Settings' tab of ImgBurn, verify that the 'File System' is "UDF", and the the 'UDF Revision' is "2.50"
10) On the 'Labels' tab, type your own label in the 'UDF' field
11) Place a blank DVD in your burner
12) Click the large Build 'icon' (the Folder and Disc in the lower left)
13) Click 'OK' to the summary pop-up screen, and wait for it to burn the disc
14) Play the disc in the LG BH200 player (firmware BH02090630A), if it gets stuck "Reading", power-off and back on, with the disc in the player

Note: this procedure did not work for the LG BH100 player.

original thread post
http://96.30.23.131/showpost.php?p=1756643&postcount=7

[Bengali]

I will give the multiavchd another try tonight.

thank you

[Bengali]

Hi,

Thanks again for everyone's input. The multiavchd works on the jvc.

I went ahead and bought a Panasonic 60K Blu Ray Player. Despite Panasonic Supports telling me twice it
cannot read *.mts files. I tested it out this evening and it's able to play directly from the SD Card and DVD (burn to DVD via the BD format). This works out great for quick viewing on the TV without any further conversion.
I can now archive to DVD and view it. very cool!

I was curious and looked at the files that multiavchd created. the *.m2ts files. they are still in the 59.240FPS yet
the JVC is able to play it. This is interesting since I thought it converted it to 30fps. will have to look into it further.
maybe I don't need use to multiavcdhd after all, just the file structure needs to be correct(?)

[jagabo]

I was curious and looked at the files that multiavchd created. the *.m2ts files. they are still in the 59.240FPS yet
the JVC is able to play it. This is interesting since I thought it converted it to 30fps. will have to look into it further.

As noted before 60i is 30 fps. It's just another name for 30i. 30i material consists of 30 frames per second. Each frame contains two fields intended to be see individually and sequentially, 60 fields per second. To marketing droids bigger is better so they have decided to call that 60i.