Tuner Properties
The PROPSETID_TUNER property set contains properties related to radio and TV tuners. The following tables describe the properties that are part of the PROPSETID_TUNER property set. The second table describes properties that are implemented for an AVStream minidriver that runs on Windows Vista and later.
| PROPSETID_TUNER KS properties | Property description |
|---|---|
Returns information on the capabilities of the tuner hardware, including the tuning modes that are supported, such as TV and radio tuning. |
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Controls the current TV channel or radio frequency. |
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Controls the input to the tuner device, such as coaxial cable or antenna tuner input. |
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Controls the tuning device mode, such as analog TV, digital TV, radio, or DSS. |
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Returns the capabilities for each individual tuning mode. Analog TV tuner capabilities that are returned can be different than radio tuning capabilities that are returned. |
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Returns an analog tuner's standard, such as NTSC, PAL, or SECAM. |
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Returns the current status of a tuner process, including current frequency, PLL offset, and signal strength. |
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Returns the pin medium for the intermediate frequency pin for tuner devices that support digital TV. |
The following table describes the PROPSETID_TUNER properties that are new for Windows Vista.
| PROPSETID_TUNER KS properties | Property description |
|---|---|
Returns the supported broadcast network types and whether the tuning device can support signal scans and notifications about the scan results. |
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Returns the status of a signal scan. |
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Controls whether the tuner can automatically detect the tuner's standard from the signal. |
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Returns the scanning capabilities of a particular broadcast network type that the tuning device supports. |
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