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Media Debugging Tips: Difference between revisions
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== Diagnosing and Reporting Media Playback Issues in Firefox == | |||
=== Basic Media Playback Issues === | |||
For simple playback issues (videos on popular sites that fail to play back properly), the first place to start is to check the [https://firefox-source-docs.mozilla.org/devtools-user/web_console/ web developer console] for error messages related to format | For simple playback issues (videos on popular sites that fail to play back properly), the first place to start is to check the [https://firefox-source-docs.mozilla.org/devtools-user/web_console/ web developer console] for error messages related to format issues. If you see messages here related to media playback errors, please file a Bugzilla report. When filing please file a Audio/Video related [https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Audio%2FVideo Bugzilla report] and include a URL to the video. | ||
=== Playback Performance Issues === | |||
For playback performance issues or general playback issues capturing and reporting a Firefox Performance Profile can help Mozilla developers diagnose the problem. Please visit the [https://profiler.firefox.com/docs/#/./guide-getting-started Firefox Profiler Getting Started Guide] to record a profile. Note, before recording, please select the 'Media' setting in the profiler toolbar dropdown menu. Once you have re | |||
=== Identifying Regressions === | |||
=== Advanced Diagnosis === | |||
In some cases developers will ask reporters to capture detailed media processing logs. This can help diagnose low level content format problems or incompatibilities. If you have already reported a bug in Bugzilla, you can capturing detailed logging as well to help diagnose. | |||
Steps: | |||
1) Open a tab and visit about:logging | |||
2) In the 'Logging preset:' drop down select 'Media Playback' | |||
3) Click the 'Set Log Modules' button | |||
4) Collect Firefox Performance Profile as described above. | |||