Re: [PATCH v2 0/4] MR10421: winegstreamer: Improve quartz MPEG-1 video seeking.

[Elizabeth Figura (＠zfigura)]

On Wed Mar 25 14:49:28 2026 +0000, Akihiro Sagawa wrote:
> As you may know, MPEG video uses inter‑frame compression. I'm still
> checking the details, but it appears that the MPEG video decoder
> receives P‑frames and B‑frames and keeps the required reference frames
> until all dependencies are resolved. Because of this, when frames appear
> in a sequence like PBBPBBPBB after seeking, a buffer of eight samples
> was not sufficient.
> Oh indeed, I assumed that we implemented things differently and didn't actually hold onto all the P/B frames in the decoder. That makes sense then.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10421#note_134100