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MF_MEDIA_ENGINE_PRELOAD enumeration (mfmediaengine.h)

Defines preload hints for the Media Engine. These values correspond to the preload attribute of the HTMLMediaElement interface in HTML5.

Syntax

typedef enum MF_MEDIA_ENGINE_PRELOAD {
  MF_MEDIA_ENGINE_PRELOAD_MISSING = 0,
  MF_MEDIA_ENGINE_PRELOAD_EMPTY = 1,
  MF_MEDIA_ENGINE_PRELOAD_NONE = 2,
  MF_MEDIA_ENGINE_PRELOAD_METADATA = 3,
  MF_MEDIA_ENGINE_PRELOAD_AUTOMATIC = 4
} ;

Constants

 
MF_MEDIA_ENGINE_PRELOAD_MISSING
Value: 0
The preload attribute is missing.
MF_MEDIA_ENGINE_PRELOAD_EMPTY
Value: 1
The preload attribute is an empty string. This value is equivalent to MF_MEDIA_ENGINE_PRELOAD_AUTOMATIC.
MF_MEDIA_ENGINE_PRELOAD_NONE
Value: 2
The preload attribute is "none". This value is a hint to the user agent not to preload the resource.
MF_MEDIA_ENGINE_PRELOAD_METADATA
Value: 3
The preload attribute is "metadata". This value is a hint to the user agent to fetch the resource metadata.
MF_MEDIA_ENGINE_PRELOAD_AUTOMATIC
Value: 4
The preload attribute is "auto". This value is a hint to the user agent to preload the entire resource.

Requirements

Requirement Value
Minimum supported client Windows 8 [desktop apps | UWP apps]
Minimum supported server Windows Server 2012 [desktop apps | UWP apps]
Header mfmediaengine.h

See also

Media Foundation Enumerations