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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_MISSINGValue: 0 The preload attribute is missing. |
MF_MEDIA_ENGINE_PRELOAD_EMPTYValue: 1 The preload attribute is an empty string. This value is equivalent to MF_MEDIA_ENGINE_PRELOAD_AUTOMATIC. |
MF_MEDIA_ENGINE_PRELOAD_NONEValue: 2 The preload attribute is "none". This value is a hint to the user agent not to preload the resource. |
MF_MEDIA_ENGINE_PRELOAD_METADATAValue: 3 The preload attribute is "metadata". This value is a hint to the user agent to fetch the resource metadata. |
MF_MEDIA_ENGINE_PRELOAD_AUTOMATICValue: 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 |