Enumerated Types

This section describes the Microsoft® DirectShow® enumerated types. Closed captioning, DVD, and VPE enumerated types are grouped by functionality below the primary list.

Enumerated type	Description
AM_ASPECT_RATIO_MODE	Specifies the aspect ratio of a video image in a display window.
AM_FILTER_MISC_FLAGS	Contains the source or renderer filter flags.
AM_OVERLAY_NOTIFY_FLAGS	Contains information on what the overlay has changed or what the overlay is about to change.
AM_RESCTL_RESERVEFLAGS	Contains flags specifying whether to increment or decrement the number of resources currently being reserved.
AM_SAMPLE_PROPERTY_FLAGS	Specifies values for the dwSampleFlags and dwStreamId members of the AM_SAMPLE2_PROPERTIES structure. These values describe the properties of media samples.
AM_SEEKING_SEEKING_CAPABILITIES	Specifies the seeking capabilities of a media stream.
AM_STREAM_INFO_FLAGS	Indicates whether various components of the AM_STREAM_INFO structure have been set.
AMTunerModeType	Specifies the frequency of a TV tuner (cable or antenna).
AnalogVideoStandard	Specifies the format of the baseband analog video signal.
CameraControlFlags	Specifies whether the camera is automatic or manual.
CameraControlProperty	Specifies what part of the camera DirectShow is controlling.
CL_ELEM_FLAGS	Specifies cutlist element flags.
CL_ELEM_STATUS	Specifies cutlist status flags.
CompressionCaps	Indicates video compression capabilities.
FILTER_STATE	Specifies a filter's state.
InterleavingMode	Specifies how video frames and audio samples will be written to disk.
MPEG2Level	Indicates the MPEG-2 video level as specified in the MPEG-2 video standard. (ISO13818-2)
MPEG2Profile	Indicates the MPEG-2 video profile as specified in the MPEG-2 video standard. (ISO13818-2)
PhysicalConnectorType	Specifies the physical type of pin (audio or video).
PIN_DIRECTION	Indicates a pin's direction.
QualityMessageType	Describes a quality message type.
REG_PINFLAG	Indicates flags for the dwFlags member in the REGFILTERPINS2 structure.
SNDDEV_ERR	Specifies how the audio device was being accessed when the failure occurred.
StreamControlState	Specifies the state of the stream.
TunerInputType	Specifies the frequency of a TV tuner (cable or antenna).
TVAudioMode	Specifies the mode of a TV audio control.
VfwCaptureDialogs	Specifies a dialog box that might exist in a Microsoft Video for Windows® capture driver.
VfwCompressDialogs	Specifies a dialog box that might exist in a Video for Windows compression (codec) driver.
VideoControlFlags	Specifies video mode of operation (horizontal or vertical flip, external trigger enable, and trigger simulate) for a video device.
VideoProcAmpFlags	Specifies how to set video properties.
VideoProcAmpProperty	Specifies video properties.

The following enumerated types are specific to closed captioning.

Closed captioning enumerated type	Description
AM_LINE21_CCLEVEL	Indicates the closed captioning capability level.
AM_LINE21_CCSERVICE	Indicates the closed captioning decoder service.
AM_LINE21_CCSTATE	Indicates the closed captioning state (on or off).
AM_LINE21_DRAWBGMODE	Indicates the closed-captioned text background mode.

The following enumerated types are specific to DVD.

DVD enumerated type	Description
AM_DVD_GRAPH_FLAGS	Specifies the type of decoder to use in a DVD filter graph.
AM_DVD_STREAM_FLAGS	Describes a DVD stream type (video, audio, or subpicture).
DVD_DISC_SIDE	Indicates the sides of a DVD disc.
DVD_DOMAIN	Indicates the state of a DVD player.
DVD_ERROR	Specifies DVD error conditions.
DVD_FRAMERATE	Indicates DVD frame rates.
DVD_MENU_ID	DVD-Video Title Set (VTS) menu identifiers.
DVD_PREFERRED_DISPLAY_MODE	Indicates the user's preferred window aspect ratio and conversion method.
DVD_WARNING	Specifies DVD warning conditions.

The following enumerated types are specific to VPE.

VPE enumerated type	Description
AMVP_MODE	Specifies the various modes for video ports (VP).
AMVP_SELECT_FORMAT_BY	Specifies the criteria that the VP mixer should use to select the video format.