Daniel Low
Forum Replies Created
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Something very odd going on there, although not perfect, I’ve never had an MPEG-2/DVD preset in either compressor or Episode cause a ‘milky’ or ‘ripped’ picture.
What’s your workflow from your NLE to the encoder?
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How long is a piece of string? What’s the best car? What tastes great?
Seriously, you need to provide us with much more information.
Source format, length of source, type of source content, authoring to single or dual layer disc? etc etc.
Lastly, what do you consider an ‘acceptable format’?
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I’ve not come across a ‘Director CD-ROM’ project in years, seriously, they’re so 1990’s!
I remember hosting a small conference in London back in the early 90’s (for the release of Director 3), when the then president, CEO and co-founder of Macromedia, John ‘Bud’ Colligan, stated that CD-ROM was simply interim delivery format we will be forced to use until the “World Wide Web” got up to speed.
He was was waaaaaaaay ahead of the curve and I wish I’d learn’t lingo better!__________________________________________________________________
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If you don’t what to crop away any of the picture then you need to preserve aspect ratio by letterbox.
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Typically the animation codec produces huge files as it’s a lossless 4:4:4 codec (when the quality is set to ‘best’ or 100%). The DV codec on the other hand is a lossy codec with a datarate of 25Mb/s
It’s likely that by using the DV codec that you have softened/blurred the picture making it a lot easier to compress. The Animation Codec is probably retaining any artefacts present in the WMVs, rather than it it giving the Flix encoder ‘too much’ data. That said the Animation codec is slow to decode, as well as encode.
I generally use a keyframe setting of 1 forced keyframe every 3 to 8 seconds, depending on the content and how much accuracy is needed while scrubbing through the clip. For example with a keyframe setting of 1 every 3 seconds will give the clip with much better ‘scrubability’ but will result in a larger file that should be of higher quality.
You might want to try encoding to a smaller frame size – give 576×432 (4:3) or 512×288 (16:9) a try
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If you’re getting bad artefacts at 4Mb/s then there’s probably not much you can do to improve, but:
What frame size are the source WMVs?
What datarate are the source WMVs?
What method did you use to go from 16:9 to 4:3
What frame size are your output FLVs
What keyframe settings are you using for the FLV?
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You might want to read the last post in this thread:
https://forums.creativecow.net/archivethread/155/726511
[snip]
“So, I hope this will help all of you to understand that MPEG encoders and decoders MUST IGNORE any and all forms of SMPTE time codes, especially those that originate from Apple’s software.Roger Andersson / Innobits AB, makers of the BitVice MPEG-2 Encoder”
[snip]__________________________________________________________________
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I’m just interested to learn more about your solution at the moment, I don’t have any particular need currently, but in the industry I work in a requirement for such a solution could appear on my desk at anytime.
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You’re getting a bit confused, cinepak does not have any kind of relationship with Flash.
https://en.wikipedia.org/wiki/Flash_Video
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To get the best results you need a dedicated encoding application like Episode or FFMPEGX (https://homepage.mac.com/major4/)
Neither FCP or Quicktime will produce decent quality output for the web.
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