To implement the ltmmCapture Object you should use the following steps:
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1. |
Create an instance of the ltmmCapture Object, acquiring the IltmmCapture Interface. |
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2. |
Set an event callback using SetNotifyWindow. |
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3. |
Set a window to serve as the frame for the video preview window by calling put_VideoWindowFrame. |
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4. |
Select audio and video capture devices (use ShowDialog to set properties). |
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5. |
Optionally, select audio and video compressors (use ShowDialog to set properties). |
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6. |
Optionally, select audio and video processors (use ShowDialog to set properties). |
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7. |
Specify the media data target (i.e. file). |
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8. |
Specify the target format The format to be used for the converted file. This includes the file format, any special settings used by that format, and which audio and/or video codec A COmpressor combined with a DECompressor, or encoder and a decoder, which allows you to both compress and decompress that same data. is to be used for the conversion, and any special settings used by the codecs. (i.e. AVI). |
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9. |
Call StartCapture to start capturing process. |
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10. |
Handle ltmmCapture_Notify Constants messages. |
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11. |
Call StopCapture when finished. |