Media Debugging Tips: Difference between revisions

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'''Generating a Firefox Performance Profile with media logs'''
'''Generating a Firefox Performance Profile with media logs'''


# Launch Firefox using a clean profile via about:profiles
# Launch Firefox with a clean profile. Use about:profiles for existing installs (see above).
# Open a tab and visit about:logging
# In Firefox, open a tab and view <b>about:logging</b>.
# In the 'Logging preset:' drop down select 'Media Playback'
# In the 'Logging preset:' drop down select 'Media Playback'
# Click 'Start Logging' at the top of the page
# Click 'Start Logging' at the top of the page
# Open a new tab for testing and view the media you are having an issue with. (After reproducing, DO NOT close this test tab yet.)
# Click the 'Start Logging' button. (You are now recording a profile, the profiler toolbar toggle button should be selected automatically.)
# Go back to the about:logging tab and click 'Stop logging' and close the test tab. (After a moment, a new performance profile tab will open.)
# Open a new tab for testing and view the media you are having an issue with. (After reproducing, <b>DO NOT</b> close this test tab yet.)
# Within the profiler tab click the 'upload local profile' button on the upper right side of the tab. Once the upload is complete, a drop down menu will open displaying the URL of the profile. Select this text and copy it.
# Switch to the about:logging tab, click 'Stop logging', and then close the test tab.
# Wait approximately 10 - 20 seconds for a new tab to automatically open containing the generated performance profile.
# Within the upper-right side of the profiler tab click the 'upload local profile' button to initiate profile upload. Once the upload is complete, a drop down text edit will open displaying the URL of the profile. Select this text and copy it.
# Share the URL of the profile for analysis with the engineer you are working with.
# Share the URL of the profile for analysis with the engineer you are working with.


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