[FFmpeg-devel] [PATCH] ipod320: restrict to refs=1 as in ipod640 (issue2399)

Niobos niobos
Fri Dec 3 16:39:34 CET 2010

On 2010-12-02 23:03, Christian Ebert wrote:
> Apparently it depends a lot of the
> material. With less movement or panning in the source might get
> away with higher values:
If it depends on the material, it's not a problem with the number of
references, but (usually) with the bitrate being too low.

The number of refs simply specifies how many frames back the motion
vectors can point; and hence how many decoded frames the decoder needs
to store. Since these frames are decoded, the complexity (movement) does
not matter.


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