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[Bug]: Buffer unable to keep up with playback with Prores files #1187

@mcoliver

Description

@mcoliver

What happened?

When playing back a prores file, the look ahead buffer is unable to keep up with realtime playback (even if it exceeds the filesize of the file being played back). It is really bad with multiple Reader Threads (under Preferences -> Caching) and slightly better with 1 reader thread. However it is unusable to playback even a short file.

List all the operating systems versions where this is happening

macos 26

On what computer hardware is this happening?

mac air

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