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#ifndef f_VD2_PLUGIN_VDAUDIOFILT_H
#define f_VD2_PLUGIN_VDAUDIOFILT_H
#####################################/
#
# Audio filter support
struct VDAudioFilterDefinition
struct VDXWaveFormat
struct VDPluginCallbacks
enum
kVDPlugin_AudioAPIVersion = 2
struct VDAudioFilterPin
unsigned mGranularity; # Block size a filter reads/writes self pin.
unsigned mDelay; # Delay in samples on self input.
unsigned mBufferSize; # The size, samples, the buffer.
unsigned mCurrentLevel; # The number of samples currently in the buffer.
sint64 mLength; # Approximate length of self stream in us.
VDXWaveFormat *mpFormat
bool mbVBR
bool mbEnded
char _pad[2]
void *mpBuffer
unsigned mSamplesWritten; # The number of samples just written to the buffer.
unsigned mAvailSpace; # Available room pointed to by mpBuffer (output pins only).
uint32 (VDAPIENTRY *mpReadProc)(VDAudioFilterPin *pPin, *dst, samples, bAllowFill, format)
# These helpers are non-virtual inlines and are compiled into filters.
uint32 Read(void *dst, samples, bAllowFill, format)
return mpReadProc(self, dst, samples, bAllowFill, format)
struct VDAudioFilterContext
struct VDAudioFilterCallbacks
VDXWaveFormat *(VDAPIENTRY *AllocPCMWaveFormat)(unsigned sampling_rate, channels, bits, bFloat)
VDXWaveFormat *(VDAPIENTRY *AllocCustomWaveFormat)(unsigned extra_size)
VDXWaveFormat *(VDAPIENTRY *CopyWaveFormat)( VDXWaveFormat *)
void (VDAPIENTRY *FreeWaveFormat)( VDXWaveFormat *)
void (VDAPIENTRY *Wake)( VDAudioFilterContext *pContext)
struct VDAudioFilterContext
void *mpFilterData
VDAudioFilterPin **mpInputs
VDAudioFilterPin **mpOutputs
IVDPluginCallbacks *mpServices
VDAudioFilterCallbacks *mpAudioCallbacks
VDAudioFilterDefinition *mpDefinition
uint32 mAPIVersion
uint32 mInputSamples; # Number of input samples available on all pins.
uint32 mInputGranules; # Number of input granules available on all pins.
uint32 mInputsEnded; # Number of inputs that have ended.
uint32 mOutputSamples; # Number of output sample spaces available on all pins.
uint32 mOutputGranules; # Number of output granule spaces available on all pins.
uint32 mCommonSamples; # Number of input samples and output sample spaces.
uint32 mCommonGranules; # Number of input and output granules.
# This structure is intentionally identical to WAVEFORMATEX, one
# exception -- mExtraSize is *always* present, for PCM.
struct VDXWaveFormat
enum { kTagPCM = 1
uint16 mTag
uint16 mChannels
uint32 mSamplingRate
uint32 mDataRate
uint16 mBlockSize
uint16 mSampleBits
uint16 mExtraSize
enum
kVFARun_OK = 0,
kVFARun_Finished = 1,
kVFARun_InternalWork = 2,
kVFAPrepare_OK = 0,
kVFAPrepare_BadFormat = 1
enum
kVFARead_Native = 0,
kVFARead_PCM8 = 1,
kVFARead_PCM16 = 2,
kVFARead_PCM32F = 3
typedef void * (VDAPIENTRY *VDAudioFilterExtProc )( VDAudioFilterContext *pContext, *pInterfaceName)
typedef uint32 (VDAPIENTRY *VDAudioFilterRunProc )( VDAudioFilterContext *pContext)
typedef sint64 (VDAPIENTRY *VDAudioFilterSeekProc )( VDAudioFilterContext *pContext, microsecs)
typedef uint32 (VDAPIENTRY *VDAudioFilterPrepareProc )( VDAudioFilterContext *pContext)
typedef void (VDAPIENTRY *VDAudioFilterStartProc )( VDAudioFilterContext *pContext)
typedef void (VDAPIENTRY *VDAudioFilterStopProc )( VDAudioFilterContext *pContext)
typedef void (VDAPIENTRY *VDAudioFilterInitProc )( VDAudioFilterContext *pContext)
typedef void (VDAPIENTRY *VDAudioFilterDestroyProc )( VDAudioFilterContext *pContext)
typedef unsigned (VDAPIENTRY *VDAudioFilterSuspendProc )( VDAudioFilterContext *pContext, *dst, size)
typedef void (VDAPIENTRY *VDAudioFilterResumeProc )( VDAudioFilterContext *pContext, *src, size)
typedef unsigned (VDAPIENTRY *VDAudioFilterGetParamProc )( VDAudioFilterContext *pContext, idx, *dst, size)
typedef void (VDAPIENTRY *VDAudioFilterSetParamProc )( VDAudioFilterContext *pContext, idx, *src, variant_count)
typedef bool (VDAPIENTRY *VDAudioFilterConfigProc )( VDAudioFilterContext *pContext, HWND__ *hwnd)
enum
kVFAF_Zero = 0,
kVFAF_HasConfig = 1, # Filter has a configuration dialog.
kVFAF_SerializedIO = 2, # Filter must execute in the serialized I/O thread.
kVFAF_Max = 0xFFFFFFFF,
struct VDAudioFilterVtbl
uint32 mSize
VDAudioFilterDestroyProc mpDestroy
VDAudioFilterPrepareProc mpPrepare
VDAudioFilterStartProc mpStart
VDAudioFilterStopProc mpStop
VDAudioFilterRunProc mpRun
VDAudioFilterSeekProc mpSeek
VDAudioFilterSuspendProc mpSuspend
VDAudioFilterResumeProc mpResume
VDAudioFilterGetParamProc mpGetParam
VDAudioFilterSetParamProc mpSetParam
VDAudioFilterConfigProc mpConfig
VDAudioFilterExtProc mpExt
struct VDAudioFilterDefinition
uint32 mSize; # size of self structure in bytes
uint32 mFlags
uint32 mFilterDataSize
uint32 mInputPins
uint32 mOutputPins
VDXPluginConfigEntry *mpConfigInfo
VDAudioFilterInitProc mpInit
VDAudioFilterVtbl *mpVtbl
#endif