ADLINK Technology HDV62A, User Manual

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88 DirectShow Programming Guide
tions, and HdmiResolutions set as null pointers. Calling
GetVideoCapabilities() acquires sizes of NumRgbResolu-
tion, NumYPbPrResolution, and NumHdmiResolution.
Sufficient buffers must then be allocated to contain all reso-
lutions of SENSOR_RESOLUTION array, and GetVideoCa-
pabilities() called again to get all resolution arrays.
Return Value
No error occurs if return value ≥ 0; if a negative value, please
call AMGetErrorText for return code error information.
Audio Capabilties
Sets or retrieves the supported audio properties of the card.
Syntax
C/C++
HRESULT GetAudioCapabilities
(AUDIO_CAPABILITIES *Caps)
C#
int GetAudioCapabilities (out
AUDIO_CAPABILITIES Caps)
VB.Net
GetAudioCapabilities (ByRef Caps As
AUDIO_CAPABILITIES) As Integer
Parameter(s)
AUDIO_CAPABILITIES
Structure defined as:
C/C++
typedef struct _AUDIO_FORMATS
{
unsigned long NumChannels;
unsigned long *Channels;