I am using the Hauppauge Live2 USB to Capture home videos on AmarecTV and trying to deinterlace the footage. However, common wisdom in this forum seems to be that these videos are most likely Top Field First. I’m confused if my setup is randomly doing it backwards, or if Hybrid’s analyzer tool is wrong - especially since MeGUI’s analyzer is saying that it is TFF.
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Anything that come out of a vcr always is Top field first but it can't be written in the AVI (Flag), you have to correct manually.
Unless you have used a DV codec to compress because Dv is BFF by default (that's asking for troubles if so)*** DIGITIZING VHS / ANALOG VIDEOS SINCE 2001**** GEAR: JVC HR-S7700MS, TOSHIBA V733EF AND MORE -
you can check by yourself, rather then rely on what a software says: https://web.archive.org/web/20140214142648/http://neuron2.net/faq.html#order
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Hybrid uses MediaInfo and if MediaInfo doesn't report it tries an educated guess.
Here's something that might help:
Typical interlace patterns:- content is progressive:
- applying AssumeTFF().Bob()* you will see: stop -> forward_movment -> stop -> forward_movement **
- applying AssumeBFF().Bob()* you will see: stop -> forward_movment -> stop -> forward_movement **
- content is field shifted:
- applying AssumeTFF().Bob()* you will see: backwards_movment -> forward_movment -> backwards_movment -> forward_movment **, ***
- applying AssumeBFF().Bob()* you will see: forward_movment -> stop -> forward_movement -> stop **, ***
- content is interlaced TFF:
- applying AssumeTFF().Bob()* you will see: forward_movment -> forward_movment -> forward_movment -> forward_movement **
- applying AssumeBFF().Bob()* you will see: forward_movment -> backwards_movment -> forward_movement -> backwards_movment **
- content is interlaced BFF:
- applying AssumeTFF().Bob()* you will see: forward_movment -> backwards_movment -> forward_movement -> backwards_movment **
- applying AssumeBFF().Bob()* you will see: forward_movment -> forward_movment -> forward_movment -> forward_movement **
- content is interlaced XFF with blending:
- same as the corresponding interlaced pattern, but you will also see some blended (= ghosted) frames in-between
- content is telecine:
- applying AssumeTFF().Bob()* you will see 3 times forward_movement 2 still frames
- content is mixed:
applying AssumeB/TFF().Bob()* you will see a mix of any of the above.
* in Hybrid you would use QTGMC+Bob and use the Avisynth/Vapoursynth preview.
** then moving through the content
*** or vice versa
Cu Selur
Ps.: share a small sample (with horizontal movement) and folks can tell you what your content isusers currently on my ignore list: deadrats, Stears555 - content is progressive:
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Originally Posted by Lollo
Simply open the file in VDub, load the internal Deinterlace filter, set it on "Interpolate using Yadif" and "Double Frame Rate TFF" and step thru the video. Forward then backward motion will indicate the incorrect filed order has been set. Choose the other (Double Frame Rate BFF) and it should be all-forward. That is the file's field order. -
Simply open the file in VDub, load the internal Deinterlace filter, set it on "Interpolate using Yadif" and "Double Frame Rate TFF" and step thru the video. Forward then backward motion will indicate the incorrect filed order has been set. Choose the other (Double Frame Rate BFF) and it should be all-forward. That is the file's field order.
Better to work with the original fields without any manipulation. -
Are they going to get any of these with a VHS capture thru Amarectv??
edit: replaced "esotish" with "weird"Last edited by lollo; 26th Oct 2022 at 16:24.
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