The logs below from https://treeherder.mozilla.org/logviewer?job_id=470912629&repo=try&lineNumber=5603 indicates that `DecoderAgent::Shutdown()` called after `mPDMFactory->CreateDecoder` fails leads to the failure of the assertion since `mDecoder` is not set after decoder creation has been completed. ``` [task 2024-08-19T16:35:27.755Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) ctor [task 2024-08-19T16:35:27.755Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700 creates DecoderAgent #43 @ 21fe44d7ea0 and its shutdown-blocker [task 2024-08-19T16:35:27.756Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700 now blocks message-queue-processing [task 2024-08-19T16:35:27.757Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) state change: Unconfigured -> Configuring [task 2024-08-19T16:35:27.757Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) is creating a decoder - PreferSW: no, low-latency: no [task 2024-08-19T16:35:27.758Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/MFTDecoder.cpp:113 [task 2024-08-19T16:35:27.759Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/WMFAudioMFTManager.cpp:133 [task 2024-08-19T16:35:27.760Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 ctor [task 2024-08-19T16:35:27.761Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Close [task 2024-08-19T16:35:27.762Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 has no DecoderAgent to destroy [task 2024-08-19T16:35:27.763Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 now has its message queue unblocked [task 2024-08-19T16:35:27.763Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Configure: codec mp4a.40.2 [task 2024-08-19T16:35:27.764Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.765Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Configure: CodecState::Closed, rejecting with InvalidState [task 2024-08-19T16:35:27.766Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Reset [task 2024-08-19T16:35:27.767Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Close [task 2024-08-19T16:35:27.767Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Decode [task 2024-08-19T16:35:27.768Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Flush [task 2024-08-19T16:35:27.769Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, wrong state! [task 2024-08-19T16:35:27.770Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 ctor [task 2024-08-19T16:35:27.771Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Configure: codec mp4a.40.2 [task 2024-08-19T16:35:27.771Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.773Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.773Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: W/WebCodecs Need to generate a specific config for mp4a.40.2: 1 channel, 48000 hz, default object type: 1 [task 2024-08-19T16:35:27.774Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Created default AAC specific config: 2 bytes [task 2024-08-19T16:35:27.775Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 enqueues configure #44 (mp4a.40.2) [task 2024-08-19T16:35:27.775Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 starts processing configure #44 (mp4a.40.2) [task 2024-08-19T16:35:27.776Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 has no DecoderAgent to destroy [task 2024-08-19T16:35:27.777Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Create a AudioInfo from mp4a.40.2 config [task 2024-08-19T16:35:27.778Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs The given config has 2 bytes of description data [task 2024-08-19T16:35:27.778Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Created AudioInfo mp4a.40.2 (1ch 48000Hz - with extra-data: yes) [task 2024-08-19T16:35:27.779Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs IsSupportedAudioCodec: mp4a.40.2 [task 2024-08-19T16:35:27.780Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #44 (21fe44d7f50) ctor [task 2024-08-19T16:35:27.780Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 creates DecoderAgent #44 @ 21fe44d7f50 and its shutdown-blocker [task 2024-08-19T16:35:27.781Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 now blocks message-queue-processing ```
Bug 1913311 Comment 1 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
The logs below from https://treeherder.mozilla.org/logviewer?job_id=470912629&repo=try&lineNumber=5603 indicates that `DecoderAgent::Shutdown()` called after `mPDMFactory->CreateDecoder` fails leads to the failure of the assertion since `mDecoder` is not set after decoder creation has been completed. ``` [task 2024-08-19T16:35:27.751Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Create a AudioInfo from mp4a.40.2 config [task 2024-08-19T16:35:27.752Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs The given config has 2 bytes of description data [task 2024-08-19T16:35:27.753Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Created AudioInfo mp4a.40.2 (1ch 48000Hz - with extra-data: yes) [task 2024-08-19T16:35:27.754Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs IsSupportedAudioCodec: mp4a.40.2 [task 2024-08-19T16:35:27.755Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) ctor [task 2024-08-19T16:35:27.755Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700 creates DecoderAgent #43 @ 21fe44d7ea0 and its shutdown-blocker [task 2024-08-19T16:35:27.756Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700 now blocks message-queue-processing [task 2024-08-19T16:35:27.757Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) state change: Unconfigured -> Configuring [task 2024-08-19T16:35:27.757Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) is creating a decoder - PreferSW: no, low-latency: no [task 2024-08-19T16:35:27.758Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/MFTDecoder.cpp:113 [task 2024-08-19T16:35:27.759Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/WMFAudioMFTManager.cpp:133 [task 2024-08-19T16:35:27.760Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 ctor [task 2024-08-19T16:35:27.761Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Close [task 2024-08-19T16:35:27.762Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 has no DecoderAgent to destroy [task 2024-08-19T16:35:27.763Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00 now has its message queue unblocked [task 2024-08-19T16:35:27.763Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Configure: codec mp4a.40.2 [task 2024-08-19T16:35:27.764Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.765Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Configure: CodecState::Closed, rejecting with InvalidState [task 2024-08-19T16:35:27.766Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Reset [task 2024-08-19T16:35:27.767Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Close [task 2024-08-19T16:35:27.767Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Decode [task 2024-08-19T16:35:27.768Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, Flush [task 2024-08-19T16:35:27.769Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d46d00, wrong state! [task 2024-08-19T16:35:27.770Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 ctor [task 2024-08-19T16:35:27.771Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Configure: codec mp4a.40.2 [task 2024-08-19T16:35:27.771Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.773Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Validating AudioDecoderConfig: codec: mp4a.40.2 1ch 48000Hz no extradata [task 2024-08-19T16:35:27.773Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: W/WebCodecs Need to generate a specific config for mp4a.40.2: 1 channel, 48000 hz, default object type: 1 [task 2024-08-19T16:35:27.774Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Created default AAC specific config: 2 bytes [task 2024-08-19T16:35:27.775Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 enqueues configure #44 (mp4a.40.2) [task 2024-08-19T16:35:27.775Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 starts processing configure #44 (mp4a.40.2) [task 2024-08-19T16:35:27.776Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 has no DecoderAgent to destroy [task 2024-08-19T16:35:27.777Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Create a AudioInfo from mp4a.40.2 config [task 2024-08-19T16:35:27.778Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs The given config has 2 bytes of description data [task 2024-08-19T16:35:27.778Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs Created AudioInfo mp4a.40.2 (1ch 48000Hz - with extra-data: yes) [task 2024-08-19T16:35:27.779Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs IsSupportedAudioCodec: mp4a.40.2 [task 2024-08-19T16:35:27.780Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #44 (21fe44d7f50) ctor [task 2024-08-19T16:35:27.780Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 creates DecoderAgent #44 @ 21fe44d7f50 and its shutdown-blocker [task 2024-08-19T16:35:27.781Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 now blocks message-queue-processing [task 2024-08-19T16:35:27.782Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #44 (21fe44d7f50) state change: Unconfigured -> Configuring [task 2024-08-19T16:35:27.783Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #44 (21fe44d7f50) is creating a decoder - PreferSW: no, low-latency: no [task 2024-08-19T16:35:27.784Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.784Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #1 (config #44) [task 2024-08-19T16:35:27.786Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.786Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #2 (config #44) [task 2024-08-19T16:35:27.787Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.788Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #3 (config #44) [task 2024-08-19T16:35:27.789Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.789Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #4 (config #44) [task 2024-08-19T16:35:27.790Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.791Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #5 (config #44) [task 2024-08-19T16:35:27.791Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.792Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #6 (config #44) [task 2024-08-19T16:35:27.793Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.794Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #7 (config #44) [task 2024-08-19T16:35:27.794Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.795Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #8 (config #44) [task 2024-08-19T16:35:27.796Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.796Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #9 (config #44) [task 2024-08-19T16:35:27.797Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Decode [task 2024-08-19T16:35:27.798Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: V/WebCodecs AudioDecoder 21fe44c1a00 enqueues decode #10 (config #44) [task 2024-08-19T16:35:27.798Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, Flush [task 2024-08-19T16:35:27.799Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00 enqueues flush #1 (config #44), with unique id 43 [task 2024-08-19T16:35:27.800Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/MFTDecoder.cpp:113 [task 2024-08-19T16:35:27.801Z] 16:35:27 INFO - PID 7600 | [Utility AudioDecoder 1760, MediaSupervisor #1] WARNING: NS_ENSURE_TRUE(SUCCEEDED(hr)) failed: file /builds/worker/checkouts/gecko/dom/media/platforms/wmf/WMFAudioMFTManager.cpp:133 [task 2024-08-19T16:35:27.802Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: E/WebCodecs DecoderAgent #43 (21fe44d7ea0) failed to create a decoder [task 2024-08-19T16:35:27.803Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) state change: Configuring -> Error [task 2024-08-19T16:35:27.803Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: E/WebCodecs DecoderAgent #44 (21fe44d7f50) failed to create a decoder [task 2024-08-19T16:35:27.804Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #44 (21fe44d7f50) state change: Configuring -> Error [task 2024-08-19T16:35:27.805Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700, DecoderAgent #43 configure #43 (mp4a.40.2) has been rejected. now unblocks message-queue-processing [task 2024-08-19T16:35:27.806Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: E/WebCodecs AudioDecoder 21fe1d06700, DecoderAgent #43 failed to configure: NS_ERROR_DOM_MEDIA_NOT_SUPPORTED_ERR (0x806e0003) - Utility MF Media Engine CDM only support for media engine playback [task 2024-08-19T16:35:27.807Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe44c1a00, DecoderAgent #44 configure #44 (mp4a.40.2) has been rejected. now unblocks message-queue-processing [task 2024-08-19T16:35:27.807Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: E/WebCodecs AudioDecoder 21fe44c1a00, DecoderAgent #44 failed to configure: NS_ERROR_DOM_MEDIA_NOT_SUPPORTED_ERR (0x806e0003) - Utility MF Media Engine CDM only support for media engine playback [task 2024-08-19T16:35:27.809Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs AudioDecoder 21fe1d06700 destroys DecoderAgent #43 @ 21fe44d7ea0 [task 2024-08-19T16:35:27.809Z] 16:35:27 INFO - PID 7600 | [Child 9296: Main Thread]: D/WebCodecs DecoderAgent #43 (21fe44d7ea0) shutdown, state Error [task 2024-08-19T16:35:27.809Z] 16:35:27 INFO - PID 7600 | [9296] Assertion failure: mDecoder, at /builds/worker/checkouts/gecko/dom/media/webcodecs/DecoderAgent.cpp:247 ```