the assertion failure is [here](https://searchfox.org/firefox-main/rev/5ea04164ef9f7e0d2baf2afc34edac30e79f78bd/dom/media/webcodecs/EncoderTemplate.cpp#833). It doesn't looks like it's related to bug 1978232 since the code there doesn't and won't touch anything about `configure`. I'll check this.
Bug 1982612 Comment 11 Edit History
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The assertion failure is [here](https://searchfox.org/firefox-main/rev/5ea04164ef9f7e0d2baf2afc34edac30e79f78bd/dom/media/webcodecs/EncoderTemplate.cpp#833). It doesn't looks like it's related to bug 1978232 since the code there doesn't and won't touch anything about `configure`. I'll check this.
The assertion failure is [here](https://searchfox.org/firefox-main/rev/5ea04164ef9f7e0d2baf2afc34edac30e79f78bd/dom/media/webcodecs/EncoderTemplate.cpp#833) on Linux. It doesn't looks like it's related to bug 1978232 since the code there doesn't and won't touch anything about `configure` and it's mainly for Windows. The configuration error is probably from the FFmpeg encoder (since gmp encoder is [disabled](https://searchfox.org/firefox-main/rev/5ea04164ef9f7e0d2baf2afc34edac30e79f78bd/modules/libpref/init/StaticPrefList.yaml#11987) by default). I'll check this. Maybe we have the same issues on decoder side as well.