QM_GetGrabberChannels

QM_GetGrabberChannels(areaRef; channelRefs; channelTypes):error
	areaRef	Longint	Grabber area reference
	channelRefs	Array longint	Channel references
	channelTypes	Array string	Channel types
	error	Longint	Error result

Returns the channel list of a grabber plug-in area.

The grabber plug-in area is specified by areaRef.

Parameter channelRef is the reference to the channel. The channel reference must have been previously obtained with a call to QM_NewChannel.

Parameters channelRefs and channelTypes receive the IDs and types of all channels respectively.

QMedia defines the following constants for identifying channel types:

qm_VideoMediaType	"vide"	Video media type
qm_SoundMediaType	"soun"	Sound media type

Example

ARRAY LONGINT($channelRefs;0)
ARRAY STRING(4;$channelTypes;0)

$error:=QM_GetGrabberChannels(xGrabber;$channelRefs;$channelTypes)

Related commands

QM_NewChannel	Creates a grabber channel
QM_DisposeChannel	Destroys a grabber channel.