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View Full Version : Problem, see inside: PAL BBF DV -> premiere -> one DV-file -> AviSynth+Conv3D -> CCE


koob
11th June 2004, 15:56
hi!

i think i read everything about the work between avisynth and cce but i have a strange problem (in my eyes...):

when i compile a dvd of my dv-only material, audio and video edited seperatly, the playback is very unsync and jerky.

i never hab any interlaced errors before with movies, so i dont know the known playback issues for wrong field orders. i just dont know what to do. hte funny thing is that the dv file runs perfect, the mpeg elementary video stream runs perfect (even if i cant tell the trutz about audio sync) but after multiplexing with several programs the output is bullsh........

i hope you can help me. iam new to special field processing in avisynth, i think there is the problem.

to make it easyer for you to help i wrote down my whole scenario.
i realy hope i can fix this problem soon to get my stuff for dvd and send it to the actors and different directors in the best possible quality for me right now.

so, here is my in depth scenario:

[list=1]
4:3 PAL INTERLACED BFF DV-material edited and exported as one big 4:3 PAL INTERLACED BFF AV-avi (premiere pro) -------- THE AVI RUNS JUST FINE!

the movie has some noisy situations and i want to maximize the quality by ensuring good compression possibilities by using avisynth 2.5 with CONVOLUTION3D for YUY2 (mainly from the DV->DVD faq from this site)

this is my avisynth script:

DirectShowSource("E:\video.avi", 25)
LoadPlugin("C:\AviSynth 2.5\Plugins\convolution3d.dll")
SeparateFields()
odd=SelectOdd.Convolution3D(1, 6, 10, 6, 8, 2.8, 0)
evn=SelectEven.Convolution3D(1, 6, 10, 6, 8, 2.8, 0)
Interleave(evn,odd)
Weave()
DoubleWeave.SelectOdd()


i calculated the bitrate for 67minutes to use uncompressed PCM 48kHZ 16bit stereo sound (i reduced the 7641kbps to 7500kbps for overhead issues). so i use CCE SP 2.67.00.23 with EclCCE 1.81 to encode just the video stream. the settings are:

CCE SETTINGS:
------------------------------------------------------
VIDEO SETTINGS:
MPEG-2 (ES, Multipass VBR) 3passed
Bitrate: Avg: 7.500 Min: 2.000 Max: 8.500
Aspekt Ratio: 4:3
nor pulldown / letter box hint / panscan selected

VIDEO:
M=3 N/M=5
GOP header every 1 x N frame
SEQ header every 1 GOP
[x] Add sequence end code
[x] DVD Video complain(t)
[ ] DVD Video multiangle
[ ] Close All GOPs
[ ] Restrict auto I frame insertion
[ ] Equalize each GOPs bit length
[ ] Half horizontal resolution
[ ] Half vertical resolution
[ ] Make Room for USCC
Luminance Leves: 16 to 235 (the faq says so)
Offset line: 1 (i have a BBF file!)
Frame Rate: 25
MPEG SYSTEM SETTING:
Packet size: 2.048

QUALITY:
none of the filters selected
Quantizer characteristics (Flat part priority): 28
Intra block DC precision: 10
Block scanning order: Alternate
[ ] Progressive frame flag

the .mpv file runs fine, once again. the mpeg2 video decoder i use is the elecad mpeg2 video decoder version 2.00 build 2510 with vertical filter deinterlace method. after all: the movie runs smooth, even it could be unsync.

finaly i compiled the dvd with several programms. dvdlab 1.31/dvdlab pro 1.4b4/scenartist nt 2.6/...
i tried every programm with ac3 and wav audio just for the cast that this could solve the jerky playback with heavy unsync a/v. thats where iam right now. nothing works.
[/list=1]

Wilbert
11th June 2004, 15:59
Check that your mpv and encoded audio file have the same length.

koob
11th June 2004, 16:08
yes they are, according to mpc and the different authoring programs

i encoded the movie before with cce but without VBR and without the use of avisynth.

i think i have a problem with my interlacing related setting. but i dont realy know.

thanks for the fast answer and sorry for my bad-ass english. iam german :>

koob
11th June 2004, 17:50
hm. could be the following part of the avisynth script the roblem?

Interleave((evn,odd)


because my material should be bff? maybe Interleave(odd,evn) ?

koob
11th June 2004, 18:10
no i dont think this solves the problem .. now iam thinking about removing the doubleweave stuff .. but does this boost my fps? according to the faq weave does the job that has to be done .. i still need massive help.

thanks in advance

koob
11th June 2004, 18:28
i recently checked the mpeg file and found out that mpc gives me a false length for the file .. it displays the right timecode for the end of the file but the progress bar stops at the end much to early, bout 15secs but the movie runs till the end.

any ideas?

sorry for posting so much but i think it will be hard to recognize if i edit the first post every time, sorry for that.

koob
13th June 2004, 15:15
i made a few more testrides and tried to play with the offset stuff. i read in all the fqs that offset 1 is the right choice for bff material, i tried offset 0 and this seems to work. dunno why.

my material is 100% bff, no progressive parts.

can nobody help me? i realy need to get this issue fixed :/