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Diffstat (limited to 'AVStream/avshws/device.h')
| -rw-r--r-- | AVStream/avshws/device.h | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/AVStream/avshws/device.h b/AVStream/avshws/device.h deleted file mode 100644 index 2bd9899d..00000000 --- a/AVStream/avshws/device.h +++ /dev/null @@ -1,294 +0,0 @@ -/************************************************************************** - - AVStream Simulated Hardware Sample - - Copyright (c) 2001, Microsoft Corporation. - - File: - - device.h - - Abstract: - - The header for the device level of the simulated hardware. This is - not actually the hardware simulation itself. The hardware simulation - is contained in hwsim.*, image.*. - - History: - - created 3/9/2001 - -**************************************************************************/ - -class CCaptureDevice : - public IHardwareSink { - -private: - - // - // The AVStream device we're associated with. - // - PKSDEVICE m_Device; - - // - // Number of pins with resources acquired. This is used as a locking - // mechanism for resource acquisition on the device. - // - LONG m_PinsWithResources; - - // - // Since we don't have physical hardware, this provides the hardware - // simulation. m_HardwareSimulation provides the fake ISR, fake DPC, - // etc... m_ImageSynth provides RGB24 and UYVY image synthesis and - // overlay in software. - // - CHardwareSimulation *m_HardwareSimulation; - CImageSynthesizer *m_ImageSynth; - - // - // The number of ISR's that have occurred since capture started. - // - ULONG m_InterruptTime; - - // - // The last reading of mappings completed. - // - ULONG m_LastMappingsCompleted; - - // - // The Dma adapter object we acquired through IoGetDmaAdapter() during - // Pnp start. This must be initialized with AVStream in order to perform - // Dma directly into the capture buffers. - // - PADAPTER_OBJECT m_DmaAdapterObject; - - // - // The number of map registers returned from IoGetDmaAdapter(). - // - ULONG m_NumberOfMapRegisters; - - // - // The capture sink. When we complete scatter / gather mappings, we - // notify the capture sink. - // - ICaptureSink *m_CaptureSink; - - // - // The video info header we're basing hardware settings on. The pin - // provides this to us when acquiring resources and must guarantee its - // stability until resources are released. - // - PKS_VIDEOINFOHEADER m_VideoInfoHeader; - - // - // Cleanup(): - // - // This is the free callback for the bagged capture device. Not providing - // one will call ExFreePool, which is not what we want for a constructed - // C++ object. This simply deletes the capture device. - // - static - void - Cleanup ( - IN CCaptureDevice *CapDevice - ) - { - delete CapDevice; - } - - // - // PnpStart(): - // - // This is the Pnp start routine for our simulated hardware. Note that - // DispatchStart bridges to here in the context of the CCaptureDevice. - // - NTSTATUS - PnpStart ( - IN PCM_RESOURCE_LIST TranslatedResourceList, - IN PCM_RESOURCE_LIST UntranslatedResourceList - ); - - // - // PnpStop(): - // - // This is the Pnp stop routine for our simulated hardware. Note that - // DispatchStop bridges to here in the context of the CCaptureDevice. - // - void - PnpStop ( - ); - -public: - - // - // CCaptureDevice(): - // - // The capture device class constructor. Since everything should have - // been zero'ed by the new operator, don't bother setting anything to - // zero or NULL. Only initialize non-NULL, non-0 fields. - // - CCaptureDevice ( - IN PKSDEVICE Device - ) : - m_Device (Device) - { - } - - // - // ~CCaptureDevice(): - // - // The capture device destructor. - // - ~CCaptureDevice ( - ) - { - } - - // - // DispatchCreate(): - // - // This is the Add Device dispatch for the capture device. It creates - // the CCaptureDevice and associates it with the device via the bag. - // - static - NTSTATUS - DispatchCreate ( - IN PKSDEVICE Device - ); - // - // DispatchPnpStart(): - // - // This is the Pnp Start dispatch for the capture device. It simply - // bridges to PnpStart() in the context of the CCaptureDevice. - // - static - NTSTATUS - DispatchPnpStart ( - IN PKSDEVICE Device, - IN PIRP Irp, - IN PCM_RESOURCE_LIST TranslatedResourceList, - IN PCM_RESOURCE_LIST UntranslatedResourceList - ) - { - return - (reinterpret_cast <CCaptureDevice *> (Device -> Context)) -> - PnpStart ( - TranslatedResourceList, - UntranslatedResourceList - ); - } - - // - // DispatchPnpStop(): - // - // This is the Pnp stop dispatch for the capture device. It simply - // bridges to PnpStop() in the context of the CCaptureDevice. - // - static - void - DispatchPnpStop ( - IN PKSDEVICE Device, - IN PIRP Irp - ) - { - return - (reinterpret_cast <CCaptureDevice *> (Device -> Context)) -> - PnpStop ( - ); - } - - // - // AcquireHardwareResources(): - // - // Called to acquire hardware resources for the device based on a given - // video info header. This will fail if another object has already - // acquired hardware resources since we emulate a single capture - // device. - // - NTSTATUS - AcquireHardwareResources ( - IN ICaptureSink *CaptureSink, - IN PKS_VIDEOINFOHEADER VideoInfoHeader - ); - - // - // ReleaseHardwareResources(): - // - // Called to release hardware resources for the device. - // - void - ReleaseHardwareResources ( - ); - - // - // Start(): - // - // Called to start the hardware simulation. This causes us to simulate - // interrupts, simulate filling buffers with synthesized data, etc... - // - NTSTATUS - Start ( - ); - - // - // Pause(): - // - // Called to pause or unpause the hardware simulation. This will be - // indentical to a start or stop but it will not reset formats and - // counters. - // - NTSTATUS - Pause ( - IN BOOLEAN Pausing - ); - - // - // Stop(): - // - // Called to stop the hardware simulation. This causes interrupts to - // stop issuing. When this call returns, the "fake" hardware has - // stopped accessing all s/g buffers, etc... - // - NTSTATUS - Stop ( - ); - - // - // ProgramScatterGatherMappings(): - // - // Called to program the hardware simulation's scatter / gather table. - // This synchronizes with the "fake" ISR and hardware simulation via - // a spinlock. - // - ULONG - ProgramScatterGatherMappings ( - IN PKSSTREAM_POINTER Clone, - IN PUCHAR *Buffer, - IN PKSMAPPING Mappings, - IN ULONG MappingsCount - ); - - // - // QueryInterruptTime(): - // - // Determine the frame number that this frame corresponds to. - // - ULONG - QueryInterruptTime ( - ); - - // - // IHardwareSink::Interrupt(): - // - // The interrupt service routine as called through the hardware sink - // interface. The "fake" hardware uses this method to inform the device - // of a "fake" ISR. The routine is called at dispatch level and must - // be in locked code. - // - virtual - void - Interrupt ( - ); - - LONG GetDroppedFrameCount(){return m_HardwareSimulation->GetSkippedFrameCount();}; -}; |