[Ffmpeg-devel] Differences between mencoder and ffmpeg whenencoding using x264
Sun Feb 19 19:29:20 CET 2006
On Sun, 2006-02-19 at 13:53 +0100, Erik Slagter wrote:
> I've got this weird problem, it's probably something I overlooked, so
> I'd appreciate some help.
> The mencoder command line gives much better
> quality (visually) using the same bit rate, almost no blockyness, while
> the ffmpeg output is full of blocks.
I did not compare ffmpeg and mencoder results, but I can confirm that
encoding video with x264 through libavcodec / ffmpeg often results in a
lot of blocks, and the quality is not that good (it is quite easy to get
a better quality - at the same bitrate - with ffmpeg MPEG4)
I suspect libavcodex/x264.c defaults set some strange value in the x264,
but I've not been able to track it down (I do not know anything about
x264 and its parameters).
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