capCaptureSequenceNoFile
The
capCaptureSequenceNoFile macro initiates streaming video capture without writing data to a file. You
can use this macro or explicitly send the
WM_CAP_SEQUENCE_NOFILE message.
BOOL capCaptureSequenceNoFile(
Parameters
hwnd
Handle of a capture window.
Return Values
Returns TRUE if successful or FALSE otherwise.
Remarks
This message is useful in conjunction with video stream or waveform-audio
stream callback functions that let your application use the video and audio data
directly.
If you want to alter the parameters controlling streaming capture, use the
capCaptureSetSetup macro prior to starting the capture.
By default, the capture window does not allow other applications to continue
running during capture. To override this, either set the
fYield member of the
CAPTUREPARMS structure to TRUE, or install a yield callback function.
During streaming capture, the capture window can optionally issue
notifications to your application of specific types of conditions. To install callback
procedures for these notifications, use the following macros:
capSetCallbackOnError
capSetCallbackOnStatus
capSetCallbackOnVideoStream
capSetCallbackOnWaveStream
capSetCallbackOnYield
See Also
capCaptureSetSetup,
capSetCallbackOnError,
capSetCallbackOnStatus,
capSetCallbackOnVideoStream,
capSetCallbackOnWaveStream,
capSetCallbackOnYield,
CAPTUREPARMS,
WM_CAP_SEQUENCE_NOFILE
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