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Media Debugging Tips: Difference between revisions
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For DRM content (Amazon Prime, Netflix) it can be helpful to generate EME related logging. Logs are generated for both the browser and Gecko Media Plugin (GMP) child processes. The steps to produce these logs are bit more involved compared to basic media playback logging but are worth the effort when tracking down drm related issues. | For DRM content (Amazon Prime, Netflix) it can be helpful to generate EME related logging. Logs are generated for both the browser and Gecko Media Plugin (GMP) child processes. The steps to produce these logs are bit more involved compared to basic media playback logging but are worth the effort when tracking down drm related issues. | ||
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General testing setup steps - | General testing setup steps - | ||
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# Install Firefox Nightly on the test device and open the browser. The test device should be a clean system that has not had Firefox installed on it prior. If the test device does have existing Firefox installs, open Firefox Nightly using the command line console and use the -p command line parameter. This will open the profile manager window. Create a new profile for testing purposes, which can be deleted after testing is complete. On Mac, …<br/>On Linux, …<br/> | # Install Firefox Nightly on the test device and open the browser. The test device should be a clean system that has not had Firefox installed on it prior. If the test device does have existing Firefox installs, open Firefox Nightly using the command line console and use the -p command line parameter. This will open the profile manager window. Create a new profile for testing purposes, which can be deleted after testing is complete. <br/>On Windows, Firefox will install by default under C:\Program Files\Firefox Nightly.<br/>On Mac, …<br/>On Linux, …<br/> | ||
# Once Firefox is open and running in a clean profile, check for browser updates via the Help menu -> About option. If there are browser updates available, apply them and then restart the browser. | # Once Firefox is open and running in a clean profile, check for browser updates via the Help menu -> About option. If there are browser updates available, apply them and then restart the browser. | ||
# Once Firefox is open and running in a clean profile with updates applied, open a tab and visit https://profiler.firefox.com/ and enable the Firefox Profiler Button. In the dropdown menu on the button, select the 'Media' setting. Close Firefox Nightly. (For general information on how to use the profiler, visit the documentation site.) | # Once Firefox is open and running in a clean profile with updates applied, open a tab and visit https://profiler.firefox.com/ and enable the Firefox Profiler Button. In the dropdown menu on the button, select the 'Media' setting. Close Firefox Nightly. (For general information on how to use the profiler, visit the documentation site.) | ||
'''Generating a Firefox Profile with logs''' | |||
'''Generating a Firefox Profile with logs''' | |||
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# Launch Firefox using a clean profile from a command console (firefox.exe -p profilename (return)) | # Launch Firefox using a clean profile from a command console (firefox.exe -p profilename (return)) | ||