Encapi.dll PC Error Solution

The Encoder Capabilities API also known as the DLL encapi.dll provides a uniform interface for configuring software and hardware encoders. It is used to configure an encoder and to store the configuration settings. Encoder vendors can use the file to expose the capabilities of an encoder. Although it is designed primarily for encoders decoders can support it as well.

The encapi.dll module is exposed through the ICodecAPI interface which is exposed by the encoder filter. The encoder filter may be a native DirectShow filter, a hardware encoder or a DirectX Media Object (DMO).

In the encapi.dll program file the native DirectShow filter exposes the ICodeAPI interface directly. With the hardware encoding device the interface is exposed through one or more AVStream minidrivers which are represented in user mode by KSProxy. The KSProxy translates ICodecAPI method calls into KS property sets.

The encapi.dll module can register a list of high-level capabilities by storing them in the system registry. Each capability is identified by a GUID.

When developing an encoder create the registry entries for the capabilities when the filter is registered. For software filters create a key named Capabilities that is adjacent to the FilterData and FriendlyName keys. Usually you would add this information after calling AMovieDllRegisterServer2 to register the standard filter data.

On the other hand you can create a CapabilitiesLocation key that contains a string giving the location of the Capabilities key in the registry. The string starts with “HKLM/”, “HKCR/”, or “HKCU/” to indicate the registry subtree. Using Plug and Play devices the driver’s setup files should create a Capabilities key adjacent to the filter’s FriendlyName key or it can use a CapabilitiesLocation key as described for software filters.

Encapi.dll is created by:
Microsoft Corporation
Microsoft Support Site

Known file path:
C:\ Windows\ system32\ encapi.dll

What is a DLL?

Your operating system comes pre-installed with Microsoft DLL’s and most third party programs also install DLL’s.

DLL (Dynamic Link Library) is Microsoft’s implementation of the shared library concept. Meaning there’s a DLL library on your computer and each DLL can be shared among different Microsoft and third party programs. This shared library method helps your computer run faster by having fewer operations running at the same time.

When a DLL is missing or corrupt it may show an error message and programs may fail or crash.

Because DLL’s are shared, one missing or corrupt DLL may affect multiple programs on your computer.


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