Bug 274190 - [GStreamer][MSE] Crash when seeking on a VP9 with alpha video
Summary: [GStreamer][MSE] Crash when seeking on a VP9 with alpha video
Status: RESOLVED DUPLICATE of bug 272975
Alias: None
Product: WebKit
Classification: Unclassified
Component: WebKitGTK (show other bugs)
Version: WebKit Nightly Build
Hardware: PC Linux
: P2 Normal
Assignee: Nobody
URL: https://www.apple.com/airpods-pro/
Keywords:
Depends on:
Blocks:
 
Reported: 2024-05-14 17:22 PDT by Kdwk
Modified: 2024-05-16 04:53 PDT (History)
2 users (show)

See Also:

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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Description Kdwk 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
Comment 1 Philippe Normand 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!
Comment 2 Philippe Normand 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)
Comment 3 Philippe Normand 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 ***