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Media Debugging Tips: Difference between revisions
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'''Generating a Firefox Profile with logs''' | '''Generating a Firefox Profile with logs''' | ||
<br/> | <br/> | ||
# Launch Firefox using a clean profile via about:profiles | # Launch Firefox using a clean profile via about:profiles. | ||
# In the browser, open a tab and view about:config | # In the browser, open a tab and view about:config. | ||
# | # Enter <b>media.gmp.use-minimal-xpcom</b> in the upper edit, select the corresponding pref below, and set the pref value to <b>True</b>. | ||
# Close the about:config tab, restart the browser | # Close the about:config tab, restart the browser. | ||
# Launch Firefox again using the same profile. | # Launch Firefox again using the same profile. | ||
# In the browser, open a tab and view about:logging | # In the browser, open a tab and view about:logging. | ||
# Add 'timestamp,sync,GMP:5,EME:5' to the media preset 'new log modules' text and click on 'Set Log Modules' | # Add 'timestamp,sync,GMP:5,EME:5' to the media preset 'new log modules' text and click on 'Set Log Modules'. | ||
# Under Output choose 'Logging to the Firefox Profiler' and check the 'Enable stack traces for log messages' checkbox. | # Under Output choose 'Logging to the Firefox Profiler' and check the 'Enable stack traces for log messages' checkbox. | ||
# In about:logging, click the 'Start Logging' button. | # In about:logging, click the 'Start Logging' button. | ||
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'''Generating text based logs in a local folder''' | '''Generating text based logs in a local folder''' | ||
# Launch Firefox using the clean profile set up prior via about:profiles. | |||
# In the browser, open a tab and view about:config. | |||
# Enter <b>media.gmp.use-minimal-xpcom</b> in the upper edit, select the corresponding pref below, and set the pref value to <b>True</b>. | |||
# Open a command line console and browse to the install location for Firefox Nightly. | # Open a command line console and browse to the install location for Firefox Nightly. | ||
# On Windows, enter 'set MOZ_DISABLE_GMP_SANDBOX=1'(return) | # On Windows, enter 'set MOZ_DISABLE_GMP_SANDBOX=1'(return). | ||
# Launch Firefox | # Launch Firefox from the command console using the clean profile you set up prior (firefox.exe -p ''profilename'' (return)). | ||
# In the browser, open a tab and view about:logging | # In the browser, open a tab and view about:logging. | ||
# Enter 'timestamp,sync,GMP:5,EME:5' in the 'new log modules' text edit and click on 'Set Log Modules' | # Enter 'timestamp,sync,GMP:5,EME:5' in the 'new log modules' text edit and click on 'Set Log Modules'. | ||
# Select the 'Logging to a file' radio button | # Select the 'Logging to a file' radio button. | ||
# Choose an appropriate path for log output.<br/>Note, on Windows, change any default 'AppData\Local\' path to a 'AppData\LocalLow\' path so that content processes can access the file system. For example:<br/>C:\Users\(username)\AppData\LocalLow\Temp\emelogs | # Choose an appropriate path for log output.<br/>Note, on Windows, change any default 'AppData\Local\' path to a 'AppData\LocalLow\' path so that content processes can access the file system. For example:<br/>C:\Users\(username)\AppData\LocalLow\Temp\emelogs | ||
# Click the 'Set Log File' button. | # Click the 'Set Log File' button. | ||