Mixer_Activation
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TVideoGrabber.Mixer_Activation |
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Enables / disables temporarily a mixing
Declaration
function Mixer_Activation(Id: LongInt; Activate: Boolean): Boolean;
bool __fastcall Mixer_Activation(int Id, bool Activate)
Function Mixer_Activation (Id as Long, Activate as Boolean) as Boolean
Description
Used to enable / disable the video mixing of a source component in the mixer component.
Pass as parameter the mixer Id returned by Mixer_AddToMixer when associating the source component to the mixer.
E.g. VideoGrabber1 previews a video capture device, and VideoGrabber2 "duplicates" the video frames from VideoGrabber1, like it was a 2nd component capturing the same device:
- to start the preview of the capture device:
VideoGrabber1.VideoSource = vs_VideoCaptureDevice
VideoGrabber1.StartPreview
- to start the 2nd component that will preview the frames of the 1st component, in mixer mode:
VideoGrabber2.VideoSource = vs_Mixer
MixerId = VideoGrabber2.Mixer_AddToMixer (VideoGrabber1.UniqueID, 0, 0, 0, 0, 0, true, true)
VideoGrabber2.StartPreview
- to disable temporarily the mixing:
VideoGrabber2.Mixer_Activation (MixerId, false)
- to resume temporarily the mixing:
VideoGrabber2.Mixer_Activation (MixerId, true)
See Also
Mixer_AddToMixer Mixer_MosaicColumns Mixer_MosaicLines Mixer_RemoveFromMixer Mixer_SetupPIPFromSource