ACX_STREAMAUDIOENGINE_CALLBACKS-Struktur (acxelements.h)
Die ACX_STREAMAUDIOENGINE_CALLBACKS-Struktur identifiziert die Treiberrückrufe für ACX-Streamaudio-Engine-Vorgänge.
Syntax
typedef struct _ACX_STREAMAUDIOENGINE_CALLBACKS {
ULONG Size;
PFN_ACX_STREAMAUDIOENGINE_ASSIGN_EFFECTS_STATE EvtAcxStreamAudioEngineAssignEffectsState;
PFN_ACX_STREAMAUDIOENGINE_RETRIEVE_EFFECTS_STATE EvtAcxStreamAudioEngineRetrieveEffectsState;
PFN_ACX_STREAMAUDIOENGINE_RETRIEVE_PRESENTATION_POSITION EvtAcxStreamAudioEngineRetrievePresentationPosition;
PFN_ACX_STREAMAUDIOENGINE_ASSIGN_CURRENT_WRITE_POSITION EvtAcxStreamAudioEngineAssignCurrentWritePosition;
PFN_ACX_STREAMAUDIOENGINE_RETRIEVE_LINEAR_BUFFER_POSITION EvtAcxStreamAudioEngineRetrieveLinearBufferPosition;
PFN_ACX_STREAMAUDIOENGINE_ASSIGN_LAST_BUFFER_POSITION EvtAcxStreamAudioEngineAssignLastBufferPosition;
PFN_ACX_STREAMAUDIOENGINE_ASSIGN_LOOPBACK_PROTECTION EvtAcxStreamAudioEngineAssignLoopbackProtection;
PFN_ACX_OBJECT_PROCESS_REQUEST EvtAcxStreamAudioEngineProcessRequest;
} ACX_STREAMAUDIOENGINE_CALLBACKS, *PACX_STREAMAUDIOENGINE_CALLBACKS;
Member
Size
Die Länge dieser Struktur in Bytes.
EvtAcxStreamAudioEngineAssignEffectsState
Der EVT_ACX_STREAMAUDIOENGINE_ASSIGN_EFFECTS_STATE Rückruf.
EvtAcxStreamAudioEngineRetrieveEffectsState
Der EVT_ACX_STREAMAUDIOENGINE_RETRIEVE_EFFECTS_STATE Rückruf.
EvtAcxStreamAudioEngineRetrievePresentationPosition
Der EVT_ACX_STREAMAUDIOENGINE_RETRIEVE_PRESENTATION_POSITION Rückruf.
EvtAcxStreamAudioEngineAssignCurrentWritePosition
Der EVT_ACX_STREAMAUDIOENGINE_ASSIGN_CURRENT_WRITE_POSITION Rückruf.
EvtAcxStreamAudioEngineRetrieveLinearBufferPosition
Der EVT_ACX_STREAMAUDIOENGINE_RETRIEVE_LINEAR_BUFFER_POSITION Rückruf.
EvtAcxStreamAudioEngineAssignLastBufferPosition
Der EVT_ACX_STREAMAUDIOENGINE_ASSIGN_LAST_BUFFER_POSITION Rückruf.
EvtAcxStreamAudioEngineAssignLoopbackProtection
Der EVT_ACX_STREAMAUDIOENGINE_ASSIGN_LOOPBACK_PROTECTION Rückruf.
EvtAcxStreamAudioEngineProcessRequest
Der EVT_ACX_OBJECT_PROCESS_REQUEST Rückruf.
Bemerkungen
Beispiel
Das Beispiel für die Verwendung ist unten dargestellt.
ACX_STREAMAUDIOENGINE_CALLBACKS streamAudioEngineCallbacks;
// Create the AudioEngine element to control offloaded streaming.
ACX_STREAMAUDIOENGINE_CALLBACKS_INIT(&streamAudioEngineCallbacks);
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineAssignEffectsState = CodecR_EvtAcxStreamAudioEngineAssignEffectsState;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineRetrieveEffectsState = CodecR_EvtAcxStreamAudioEngineRetrieveEffectsState;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineRetrievePresentationPosition = CodecR_EvtAcxStreamAudioEngineRetrievePresentationPosition;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineAssignCurrentWritePosition = CodecR_EvtAcxStreamAudioEngineAssignCurrentWritePosition;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineRetrieveLinearBufferPosition = CodecR_EvtAcxStreamAudioEngineRetrieveLinearBufferPosition;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineAssignLastBufferPosition = CodecR_EvtAcxStreamAudioEngineAssignLastBufferPosition;
streamAudioEngineCallbacks.EvtAcxStreamAudioEngineAssignLoopbackProtection = CodecR_EvtAcxStreamAudioEngineAssignLoopbackProtection;
ACX-Anforderungen
ACX-Mindestversion: 1.0
Weitere Informationen zu ACX-Versionen finden Sie unter ACX-Versionsübersicht.
Anforderungen
| Anforderung | Wert |
|---|---|
| Header | acxelements.h |