Windows 7 contains a new playback framework called "Media Foundation" that is used by the Microsoft players (WMP and Media Center) for playback of certain files types, such as MP4, MOV, and M2TS. System default therefore does not necessarily mean a standard filter that comes with Windows.Īn important note for Windows 7 users: these settings only apply to players that use the DirectShow framework. In this case your player will use the source filter that has the highest merit, which often is one of the filters that could also be chosen as preferred. The choice "System default" means that no specific source filter is forced as preferred. This is particularly useful if you have multiple source filters installed for handling a certain container format. splitters) as preferred for specific file extensions. This allows setting specific source filters (a.k.a. If there are any additional ones that you would like to see added to this list, just let us know. Currently that includes more than 50 commonly used codecs. It only shows ones that it has been programmed to detect. This page does not show every single codec installed on your system. This allows you to enable and disable ACM and VFW codecs. Do not blindly enable everything, unless you have a good reason for doing so. Some filters from the pack may be listed as disabled. Currently that includes more than 200 commonly used filters. This page does not show every single filter installed on your system. It also gives more fine-grained control over a few multi-purpose filters, such as Haali Media Splitter, allowing to also disable it partially. This tool also allows enabling filters because it remembers which filters you have previously disabled. Other filter managers are usually only capable of disabling filters. This can for example be useful for testing purposes, or simply to disable redundant filters, or to switch between two similar filters. This allows you to enable and disable DirectShow filters. This allows you to configure audio output settings for several popular audio decoders. This allows you to access the configuration interfaces of a few commonly used VFW codecs. This allows you to access the configuration interfaces of several popular DirectShow filters. This replaces your current settings with the settings from a previously created backup. Media Player Classic, ffdshow, LAV Filters, Haali Media Splitter, AC3Filter, DirectVobSub, madVR, Xvid, x264VFW, huffyuv, CoreAVC, CoreVorbis, CoreAAC, MONOGRAM AAC decoder, Gabest MPEG-2 decoder, DScaler5, VP7, and more. Settings from the following items (if installed) are included in the backup: You can restore those settings at any time using this tool. The settings will be saved in a folder of your choosing and consists of one or more files. This creates a backup of your current settings. Resets settings to recommended default values for many popular codecs and DirectShow filters. All this information can be very useful for problem solving purposes. It can also include useful information about your system. This allows you to generate a very detailed list of all installed codecs installed on your computer. If you are experiencing a sound problem that affects multiple programs, then the first thing you should try is to re-install your sound driver. Sound problems can have many different causes. This fix is only available when this specific problem is detected. This fix will restore those required Registry keys. If certain Registry keys are missing, sound will not work in most programs. The fourth fix is one for a specific sound related problem. This is helpful if they somehow got removed. The third fix will re-register the base DirectShow filters of Windows. The Codec Tweak Tool can remove the invalid references. Those keys can for example get left behind when a codec is not properly uninstalled. Such invalid references are Registry keys that for example point to non-existing files. This will perform a scan of the Windows Registry looking for invalid references to codecs and filters. The first two fixes detect broken VFW/ACM codecs and DirectShow filters. If any of the information below is unclear or insufficient, then please let us know. Detailed help is available for each individual function. Below is a short overview of the functionality that this tool has to offer. This tool is a Swiss army knife for managing codecs and codec settings.
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