NTSTATUS NTAPI PropertyHandler_ChannelConfig ( PPCPROPERTY_REQUEST PropertyRequest )
Definition at line 829 of file minwave.cpp.
{
    //PAGED_CODE();
    //ASSERT(PropertyRequest);
    DBGPRINT(("[PropertyHandler_ChannelConfig]"));

#ifdef WAVERT
    CMiniportWaveCMI *that = (CMiniportWaveCMI *) ((PMINIPORTWAVERT)PropertyRequest->MajorTarget);
#else
    CMiniportWaveCMI *that = (CMiniportWaveCMI *) ((PMINIPORTWAVECYCLIC)PropertyRequest->MajorTarget);
#endif

    if (PropertyRequest->Node == KSNODE_WAVE_DAC) {

        if (PropertyRequest->ValueSize == 0) {
            PropertyRequest->ValueSize = sizeof(LONG);
            return STATUS_BUFFER_OVERFLOW;
        } else if (PropertyRequest->ValueSize < sizeof (LONG)) {
            PropertyRequest->ValueSize = 0;
            return STATUS_BUFFER_TOO_SMALL;
        }

        if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
            *(PLONG)PropertyRequest->Value = that->requestedChannelMask;
            PropertyRequest->ValueSize = sizeof(ULONG);
            return STATUS_SUCCESS;
        } else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
            if (*(PLONG)PropertyRequest->Value == KSAUDIO_SPEAKER_7POINT1) {
                that->requestedChannelMask =  *(PLONG)PropertyRequest->Value;
                that->requestedChannelCount = 8;
                return STATUS_SUCCESS;
            }
            if (*(PLONG)PropertyRequest->Value == KSAUDIO_SPEAKER_5POINT1) {
                that->requestedChannelMask =  *(PLONG)PropertyRequest->Value;
                that->requestedChannelCount = 6;
                return STATUS_SUCCESS;
            }
            if ((*(PLONG)PropertyRequest->Value == KSAUDIO_SPEAKER_QUAD) || (*(PLONG)PropertyRequest->Value == KSAUDIO_SPEAKER_SURROUND)) {
                that->requestedChannelMask =  *(PLONG)PropertyRequest->Value;
                that->requestedChannelCount = 4;
                return STATUS_SUCCESS;
            }
            if (*(PLONG)PropertyRequest->Value == KSAUDIO_SPEAKER_STEREO) {
                that->requestedChannelMask =  *(PLONG)PropertyRequest->Value;
                that->requestedChannelCount = 2;
                return STATUS_SUCCESS;
            }
        } else if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
            PULONG AccessFlags = PULONG(PropertyRequest->Value);
            *AccessFlags = KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_SET;
            PropertyRequest->ValueSize = sizeof(ULONG);
            return STATUS_SUCCESS;
        }
    }
    return STATUS_INVALID_PARAMETER;
}
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