[Kdenlive-devel] exposing parallelism

Dan Dennedy dan at dennedy.org
Tue Jun 14 19:42:34 UTC 2011

On Tue, Jun 14, 2011 at 11:22 AM, Till Theato <root at ttill.de> wrote:
> On 02/16/2011 08:04 PM, Dan Dennedy wrote:
>> On Wed, Feb 16, 2011 at 8:15 AM, Till Theato <root at ttill.de> wrote:
>>> I think bitrate, passes, and threads will go a long, long way. I do
> Done in the meantime. However I have a problem with the WebM profiles
> since they use a maxrate which obviously is different for every bitrate.
> I guess it cannot be dropped? Currently the low quality profiles have
> maxrate = 3*bitrate while the high quality ones have maxrate =
> 2*bitrate. Any ideas for a general rule? It could be evaluated using
> QScriptEngine.

Most video codecs support the notion of a min, max, and average/target
bitrate. I do not recall at the moment why these might require a
maxrate, do they? In any case, I would just make those all 2x for now
and verify that they produce a valid output.


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