Re: [PATCH 0/1] MR7288: winegstreamer: Avoid large buffer pushes in wg_transform.

[Yuxuan Shui (＠yshui)]

On Wed Feb 12 21:24:38 2025 +0000, Brendan McGrath wrote:
> re: how `h264parse` splits; if you run `gst-inspect-1.0 h264parse`,
> you'll see one of the caps is `alignment`, which has two options:
> - `au`; and
> - `nal`
>
> So it can split the buffers in one of two ways:
> - at the `au` boundary (which stands for 'Access Unit', and represents
>
> a frame (or a field for interlaced); or
> 2. at the 'nal' boundary. These are smaller than access units and
> represent a logical bundle of data (which can be metadata or image
> data). An AU may have several NALs, but a NAL will never overlap two AUs.

so, turns out pushing a large buffer through just the parser is enough to cause stutters. it's way better than having it go through the whole decoding pipeline, but it's still noticeable.