[Bf-committers] VSE Rendering Code

[jpyamauchi at gmail.com]

Thanks for the info!




So has the VSE been multi-threaded recently?  (I probably shouldn’t be getting my information from 3+ year old threads!)  I read a 2012 thread that said (without being specific as to the portions of the rendering) that the VSE was not multi-threaded.  Also, in the Google Summer of Code ideas for 2012 one of the feature requests was multi-core support and GPU acceleration.  Have these features been added to Blender since then?

On Mon, Feb 9, 2015 at 10:29 AM, Antony Riakiotakis <kalast at gmail.com>
wrote:

> Hi,
> Check sequencer.c sequencer_draw.c. seqeffects.c seqcache.c We use
> pthreads under the hood but we wrap it in our own API so you might
> want to check that as well.
> Some parts, such as effect application and proxy generation is already
> threaded. A bottleneck currently is image scaling so source strips
> have common dimensions, but I'm not sure this is easily threadable.
> On 9 February 2015 at 17:05,  <jpyamauchi at gmail.com> wrote:
>> Where is the code that renders the VSE located?
>>
>> Also, what multi-threading library does Blender use?  I'm looking at providing multi-core support for rendering in the VSE.
>>
>> Thanks,
>>
>> JP Yamauchi
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