[Libav-user] [libavcodec] requested bitrate is too low, when using VBR qscale

[Richard H Lee]

On 24/07/12 16:28, Nicolas George wrote:
> Multi-pass encoding is designed to achieve a certain average bitrate, and
> manage it over the whole file to give more bits to the parts that need more.
>
> The -q option sets the quantizer value (which, for any given frame, is
> directly related to the quality level), and does not let any choice to the
> encoder to set the bitrate.

This makes complete sense to me now.