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MF_MEDIA_ENGINE_READY enumeration (mfmediaengine.h)

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Defines ready-state values for the Media Engine.

Syntax

typedef enum MF_MEDIA_ENGINE_READY {
  MF_MEDIA_ENGINE_READY_HAVE_NOTHING = 0,
  MF_MEDIA_ENGINE_READY_HAVE_METADATA = 1,
  MF_MEDIA_ENGINE_READY_HAVE_CURRENT_DATA = 2,
  MF_MEDIA_ENGINE_READY_HAVE_FUTURE_DATA = 3,
  MF_MEDIA_ENGINE_READY_HAVE_ENOUGH_DATA = 4
} ;

Constants

 
MF_MEDIA_ENGINE_READY_HAVE_NOTHING
Value: 0
No data is available.
MF_MEDIA_ENGINE_READY_HAVE_METADATA
Value: 1
Some metadata is available, including the duration and, for video files, the video dimensions. No media data is available.
MF_MEDIA_ENGINE_READY_HAVE_CURRENT_DATA
Value: 2
There is media data for the current playback position, but not enough data for playback or seeking.
MF_MEDIA_ENGINE_READY_HAVE_FUTURE_DATA
Value: 3
There is enough media data to enable some playback or seeking. The amount of data might be a little as the next video frame.
MF_MEDIA_ENGINE_READY_HAVE_ENOUGH_DATA
Value: 4
There is enough data to play the resource, based on the current rate at which the resource is being fetched.

Remarks

These values correspond to constants defined for the HTMLMediaElement.readyState attribute in HTML5.

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

IMFMediaEngine::GetReadyState

Media Foundation Enumerations