RESOLVED DUPLICATE of bug 272975 274190
[GStreamer][MSE] Crash when seeking on a VP9 with alpha video 
https://bugs.webkit.org/show_bug.cgi?id=274190
Summary [GStreamer][MSE] Crash when seeking on a VP9 with alpha video
Kdwk
Reported 2024-05-14 17:22:33 PDT
Created attachment 471407 [details] gdb (bt full; c).txt 1. Visit https://www.apple.com/airpods-pro/ 2. Scroll down 3. Crash WebKitGTK 2.45.2, GStreamer 1.22.1
Attachments
gdb (bt full; c).txt (47.60 KB, text/plain)
2024-05-14 17:22 PDT, Kdwk 		no flags
Details
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Philippe Normand
Comment 1 2024-05-15 09:35:36 PDT
That looks like a GStreamer bug at first glance. I'll try to confirm/fix soon-ish. Thanks for the report!
Philippe Normand
Comment 2 2024-05-15 09:46:14 PDT
stderr: ERROR:../gst/codecalpha/gstalphacombine.c:160:gst_alpha_combine_unlock_stop: assertion failed: (self->flushing) Bail out! ERROR:../gst/codecalpha/gstalphacombine.c:160:gst_alpha_combine_unlock_stop: assertion failed: (self->flushing)
Philippe Normand
Comment 3 2024-05-16 04:53:36 PDT
The alphacombine receives a flush-stop without prior flush-start, so I think this is a side effect of bug 272975. *** This bug has been marked as a duplicate of bug 272975 ***
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