rerendering :/

prYzm · Post by **prYzm** » Wed Oct 31, 2007 7:48 am

ok i have absolutly no idea how this has happened, but somehow i managed to delete my .veg file for the video i was working on (i save it to a different directory as all my files so i have no idea how this happened). however i had a completly rendered and filtered version of it as h264 mp4 file (however i dont keep my .avi uncompressed files after ive converted to h264, takes up too much room).

if i still wanted ot make a few changes, would i expect a lot of quality loss if i were to load the mp4 into vegas make my changes (id have to reget the changed scenes from the source again but thats not a problem) but essentially if i wanted to change a few things, is it worth loading the mp4 into vegas, making my changes (by removing the sections, regetting the scenes from the source, putting it into the gaps, then having to rerender as an uncompressed and then avisynth it again.

basically i wouldnt really need to do almost any filtering (to avoid overfiltering the footage) since its all alrdy there, i could even render the scenes with the exact same avs script then putting the filtered scenes into the gaps so as to keep it consistent. would this screw the vid up a lot? or barely noticable?

Org Profile · Post by **808-buma** » Wed Oct 31, 2007 4:03 pm

you could convert the mp4 back to a lossless avi file and then import that back into your editor, make your changes, save the file, then re-export it back out as a lossless avi, then compress that as an mp4 for your final.

there will be slight quality loss, but at least this will probably be the best results with what you have atm...

good luck

prYzm · Post by **prYzm** » Wed Oct 31, 2007 8:47 pm

whats the best way to convert a mp4 back into a lossless avi? vdub doesnt load h264 codecs (or at least mine doesnt) so im not sure how to go about it.

Willen · Post by **Willen** » Thu Nov 01, 2007 8:58 am

Try using FFmpegSource (post about it here: http://www.animemusicvideos.org/phpBB/v ... hp?t=83786).

Willen · Post by **Willen** » Thu Nov 01, 2007 9:03 am

Willen wrote:Try using FFmpegSource (post about it here: http://www.animemusicvideos.org/phpBB/v ... hp?t=83786).

Gah, I should mention that this is intended for use with AviSynth and enables you to load videos which FFmpeg handles the decoding of into applications such as VDub/Mod.

prYzm · Post by **prYzm** » Thu Nov 01, 2007 9:47 am

ah ty. that should help a lot

Org Profile · Post by **808-buma** » Thu Nov 01, 2007 10:14 pm

I knew if I waited long enough, someone smarter than me would reply - I had neglected to mention 'how' to do it, didn't I... But follow what Willen has suggested, as my suggestion would involve using the Haali splitter included in the CCCP codec... but if I remember correctly, that has had problems in the past...