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Diffstat (limited to 'avstream/avssamp/audio.h')
| -rw-r--r-- | avstream/avssamp/audio.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/avstream/avssamp/audio.h b/avstream/avssamp/audio.h deleted file mode 100644 index 0240ddc8..00000000 --- a/avstream/avssamp/audio.h +++ /dev/null @@ -1,150 +0,0 @@ -/************************************************************************** - - AVStream Filter-Centric Sample - - Copyright (c) 1999 - 2001, Microsoft Corporation - - File: - - audio.h - - Abstract: - - This file contains the audio capture pin header. - - History: - - created 6/28/01 - -**************************************************************************/ - -class CAudioCapturePin : - public CCapturePin - -{ - -private: - - // - // The wave object used to synthesize audio data. - // - CWaveObject *m_WaveObject; - -public: - - // - // CAudioCapturePin(): - // - // Construct a new audio capture pin. - // - CAudioCapturePin ( - IN PKSPIN Pin - ) : CCapturePin (Pin) - { - } - - // - // ~CAudioCapturePin(): - // - // Destruct an audio capture pin. - // - ~CAudioCapturePin ( - ) - { - } - - // - // Acquire(): - // - // Called when the audio capture pin is transitioning into the acquire - // state (from either stop or pause). This routine will get ahold of - // the wave object from the filter. - // - virtual - NTSTATUS - Acquire ( - IN KSSTATE FromState - ); - - // - // CaptureFrame(): - // - // This is called when the filter processes and wants to trigger processing - // of an audio frame. The routine will compute how far into the stream - // we've progressed and ask the filter's wave object to copy enough - // "synthesized" audio data from the wave object in order to reach - // the position. - // - virtual - NTSTATUS - CaptureFrame ( - IN PKSPROCESSPIN ProcessPin, - IN ULONG Tick - ); - - /************************************************* - - Dispatch Functions - - *************************************************/ - - // - // DispatchCreate(): - // - // This is the creation dispatch for the audio capture pin on the filter. - // It creates the CAudioCapturePin, associates it with the AVStream pin - // object and bags the class object for automatic cleanup when the - // pin is closed. - // - static - NTSTATUS - DispatchCreate ( - IN PKSPIN Pin, - IN PIRP Irp - ); - - // - // DispatchSetFormat(): - // - // This is the set data format dispatch for the pin. This will be called - // BEFORE pin creation to validate that a data format selected is a match - // for the range pulled out of our range list. It will also be called - // for format changes. - // - // If OldFormat is NULL, this is an indication that it's the initial - // call and not a format change. Even fixed format pins get this call - // once. - // - static - NTSTATUS - DispatchSetFormat ( - IN PKSPIN Pin, - IN PKSDATAFORMAT OldFormat OPTIONAL, - IN PKSMULTIPLE_ITEM OldAttributeList OPTIONAL, - IN const KSDATARANGE *DataRange, - IN const KSATTRIBUTE_LIST *AttributeRange OPTIONAL - ); - - // - // IntersectHandler(): - // - // This is the data intersection handler for the capture pin. This - // determines an optimal format in the intersection of two ranges, - // one local and one possibly foreign. If there is no compatible format, - // STATUS_NO_MATCH is returned. - // - static - NTSTATUS - IntersectHandler ( - IN PKSFILTER Filter, - IN PIRP Irp, - IN PKSP_PIN PinInstance, - IN PKSDATARANGE CallerDataRange, - IN PKSDATARANGE DescriptorDataRange, - IN ULONG BufferSize, - OUT PVOID Data OPTIONAL, - OUT PULONG DataSize - ); - - -}; |