[FFmpeg-devel] [PATCH 2/3] avfilter/vf_yadif_cuda: CUDA accelerated deinterlacer

Philip Langdale philipl at overt.org
Fri Nov 2 04:53:42 EET 2018


On Thu, 1 Nov 2018 22:16:53 +0100
Hendrik Leppkes <h.leppkes at gmail.com> wrote:

> One might do something like this:
> 
> NVDEC -> hwdownload -> yadif -> x264
> NVDEC -> cuda_yadif -> hwdownload -> x264
> 
> How do those compare, maybe when you replace x264 with null?

I set my baseline with NVDEC -> hwdownload -> null.

I then compared hwdownload->yadif and cuda_yadif->hwdownload with
same_frame and same_field.

* hwdownload->yadif=same_frame: 70%
* hwdownload->yadif=same_field: 56%
* cuda_yadif=same_frame->hwdownload: 88%
* cuda_yadif=same_field->hwdownload: 69%

--phil


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