Tape Location Search
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
Although DV devices support a command to search by time code or by absolute track number (ATN), the MSDV driver does not have a standard, device-independent way to access these functions. The only option is to send a raw AV/C command to the driver as described in the topic Issuing Raw AV/C Commands.
The UVC driver supports a property set for tape location searches. To send a search command, use the IKsControl interface and set the PROPSETID_EXT_TRANSPORT property. Using a property set is safer than sending raw AV/C commands to the device, because AV/C commands bypass the filter and go directly to the device driver.
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