Measuring
Video Quality
One way to
measure video quality is to limit the number of captured frames dropped during
the capture operation. When streaming capture has finished, the quality value
is compared with the ratio of dropped frames to total frames. If the percentage
of dropped frames is greater than the value of the wPercentDropForError
member of the CAPTUREPARMS
You can
retrieve the current limit of dropped frames (expressed as a percentage) by
using the WM_CAP_GET_SEQUENCE_SETUP