It looks like this is happening during changing the ready state and not detecting the media as ended[0]. This happens because we have `mDecoder` and that decoder is not reporting that it's ended[1, 2]. It looks like the decoder moves to the ended state following us firing the notification rather than before, which would avoid this bug. Regression range https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=5eba13f5b3a6ad80decdd8c7b30bff5fa477844f&tochange=2ed5e7fbf39e949693d8a7455d6313b14a7aeaf6 [0] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/html/HTMLMediaElement.cpp#6074 [1] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/html/HTMLMediaElement.cpp#2184 [2] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/media/MediaDecoder.cpp#797
Bug 1543059 Comment 6 Edit History
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It looks like this is happening during changing the ready state and not detecting the media as ended[0]. This happens because we have `mDecoder` and that decoder is not reporting that it's ended[1, 2]. It looks like the decoder moves to the ended state following us firing the notification rather than before, which would avoid this bug. Regression range (edit): derp, missed it in comment 0 after coming back to this. [0] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/html/HTMLMediaElement.cpp#6074 [1] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/html/HTMLMediaElement.cpp#2184 [2] https://searchfox.org/mozilla-central/rev/0c682c4f01442c3de0fa6cd286e9cadc8276b45f/dom/media/MediaDecoder.cpp#797