minwave.cpp File Reference

#include "minwave.hpp"
#include "minwavetables.hpp"
#include "ntddk.h"

Include dependency graph for minwave.cpp:

Go to the source code of this file.

Functions
NTSTATUS NTAPI	CreateMiniportWaveCMI (PUNKNOWN *Unknown, REFCLSID, PUNKNOWN UnknownOuter, POOL_TYPE PoolType)
	STDMETHODIMP_ (void) CMiniportWaveCMI
NTSTATUS NTAPI	PropertyHandler_ChannelConfig (PPCPROPERTY_REQUEST PropertyRequest)
NTSTATUS	CreateMiniportWaveStreamCMI (CMiniportWaveStreamCMI **MiniportWaveStreamCMI, PUNKNOWN pUnknownOuter, POOL_TYPE PoolType)
	STDMETHODIMP_ (NTSTATUS) CMiniportWaveStreamCMI
	STDMETHODIMP_ (ULONG) CMiniportWaveStreamCMI

Function Documentation

CreateMiniportWaveCMI()

NTSTATUS NTAPI CreateMiniportWaveCMI	(	PUNKNOWN *	Unknown,
		REFCLSID	,
		PUNKNOWN	UnknownOuter,
		POOL_TYPE	PoolType
	)

Definition at line 36 of file minwave.cpp.

{
    PAGED_CODE();
    ASSERT(Unknown);
#ifdef WAVERT
    STD_CREATE_BODY_(CMiniportWaveCMI,Unknown,UnknownOuter,PoolType,PMINIPORTWAVERT);
#else
    STD_CREATE_BODY_(CMiniportWaveCMI,Unknown,UnknownOuter,PoolType,PMINIPORTWAVECYCLIC);
#endif
}

CreateMiniportWaveStreamCMI()

NTSTATUS CreateMiniportWaveStreamCMI	(	CMiniportWaveStreamCMI **	MiniportWaveStreamCMI,
		PUNKNOWN	pUnknownOuter,
		POOL_TYPE	PoolType
	)

Definition at line 906 of file minwave.cpp.

{
    PAGED_CODE();
    DBGPRINT(("CreateMiniportWaveStreamCMI"));
 
#ifdef WAVERT
    *MiniportWaveStreamCMI = new (PoolType, 'gnaa') CMiniportWaveStreamCMI(NULL);
#else
    *MiniportWaveStreamCMI = new (PoolType, 'gnaa') CMiniportWaveStreamCMI(pUnknownOuter);
#endif
    if (*MiniportWaveStreamCMI) {
        (*MiniportWaveStreamCMI)->AddRef();
        return STATUS_SUCCESS;
    }
 
    return STATUS_INSUFFICIENT_RESOURCES;
}

PropertyHandler_ChannelConfig()

NTSTATUS NTAPI PropertyHandler_ChannelConfig

(

PPCPROPERTY_REQUEST

PropertyRequest

)

Definition at line 847 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;
}

STDMETHODIMP_() [1/3]

STDMETHODIMP_

(

NTSTATUS

)

Definition at line 1371 of file minwave.cpp.

{
    PAGED_CODE();
    DBGPRINT(("CMiniportWaveStreamCMI[%p]::SetContentId(%d, %p)", this, contentId, drmRights));
 
    return STATUS_SUCCESS;
}

STDMETHODIMP_() [2/3]

STDMETHODIMP_

(

ULONG

)

Definition at line 1666 of file minwave.cpp.

{
    Miniport->notificationInterval = Interval;
 
    if (state == KSSTATE_RUN) {
        return 0;
    }
    // periodSize [sample] = interval [ms] * sample rate [Hz] * 1e-3 [milli]
    periodSize   = Interval * currentSampleRate / 1000;
    // FramingSize [byte] = periodSize [sample] * #Channels * resolution [byte];
    *FramingSize = periodSize * currentChannelCount * (currentResolution >> 3);
 
    KeWaitForSingleObject(&Miniport->mutex, Executive, KernelMode, FALSE, NULL);
    Miniport->CMIAdapter->writeUInt16((channelNumber ? REG_CH1_FRAME2 : REG_CH0_FRAME2) + 2, periodSize-1);
    KeReleaseMutex(&Miniport->mutex, FALSE);
 
    DBGPRINT(("periodSize: %x, FramingSize: %x", periodSize, *FramingSize));
    return Interval;
}

STDMETHODIMP_() [3/3]

STDMETHODIMP_

(

void

)

Definition at line 342 of file minwave.cpp.

{
    PAGED_CODE();
    DBGPRINT(("CMiniportWaveCMI[%p]::powerUp()", this));
    KSSTATE oldState[3];
 
    for (int i=0;i<3;i++) {
        if (isStreamRunning[i]) {
            oldState[i] = stream[i]->state;
            stream[i]->SetState(KSSTATE_STOP);
        }
    }
 
    if (cm->TopoMiniport) {
        cm->TopoMiniport->loadMixerSettingsFromMemory();
    }
 
    for (int i=0;i<3;i++) {
        if (isStreamRunning[i]) {
            stream[i]->prepareStream();
            stream[i]->SetState(KSSTATE_ACQUIRE);
            stream[i]->SetState(oldState[i]);
        }
    }
}