"Eric A" <erpo41@gmail.com> wrote:
> the full file would have been around 2300MB, far too small considering
> the video bitrate was set to 8000kbps.
You're upscaling a tiny, low-bitrate video, and trying to encode it with
a huge bitrate (the maximum acceptible for DVD). What do you expect
MEncoder to do with the extra bits after it's reached the point
where it has encoded the video perfectly(*)? Pad the file with zeros?
(*) Well... up to the maximum quality possible, given lavc's quant
settings as well as the user options specified. You can encode a
video with vqscale=2, and then look at the bitrate used, to see if this
is in fact the case.
Secondly, single-pass isn't really guaranteed to maintain a given
bitrate. You should use 2-pass encoding if you care about that.
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