ngscopeclient v0.1.1
DeEmbedFilter.h
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29
35#ifndef DeEmbedFilter_h
36#define DeEmbedFilter_h
37
38#include "FFTFilter.h"
39
40class DeEmbedFilter : public Filter
41{
42public:
43 DeEmbedFilter(const std::string& color);
44 virtual ~DeEmbedFilter();
45
46 virtual void Refresh(vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue) override;
47 virtual DataLocation GetInputLocation() override;
48
49 static std::string GetProtocolName();
50
51 virtual bool ValidateChannel(size_t i, StreamDescriptor stream) override;
52
53 PROTOCOL_DECODER_INITPROC(DeEmbedFilter)
54
55 //Accessors for internal values only used by unit tests
56 //TODO: refactor this into a friend class or something?
57 size_t test_GetNumPoints()
58 { return m_cachedNumPoints; }
59
60 size_t test_GetOutLen()
61 { return m_cachedOutLen; }
62
63 size_t test_GetNouts()
64 { return m_cachedNouts; }
65
66 AcceleratorBuffer<float>& test_GetCachedInputBuffer()
67 { return m_forwardInBuf; }
68
69 AcceleratorBuffer<float>& test_GetResampledSines()
70 { return m_resampledSparamSines; }
71
72 AcceleratorBuffer<float>& test_GetResampledCosines()
73 { return m_resampledSparamCosines; }
74
75 size_t test_GetIstart()
76 { return m_cachedIstart; }
77
78protected:
79 virtual int64_t GetGroupDelay();
80 void DoRefresh(bool invert, vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue);
81 virtual void InterpolateSparameters(float bin_hz, bool invert, size_t nouts);
82
83 std::string m_maxGainName;
84 std::string m_groupDelayTruncModeName;
85 std::string m_groupDelayTruncName;
86
87 enum TruncationMode
88 {
89 TRUNC_AUTO,
90 TRUNC_MANUAL
91 };
92
93 float m_cachedMaxGain;
94
95 double m_cachedBinSize;
96 AcceleratorBuffer<float> m_resampledSparamSines;
97 AcceleratorBuffer<float> m_resampledSparamCosines;
98
99 size_t m_cachedNumPoints;
100 size_t m_cachedOutLen;
101 size_t m_cachedNouts;
102 size_t m_cachedIstart;
103
104 AcceleratorBuffer<float> m_forwardInBuf;
105 AcceleratorBuffer<float> m_forwardOutBuf;
106 AcceleratorBuffer<float> m_reverseOutBuf;
107
108 WaveformCacheKey m_magKey;
109 WaveformCacheKey m_angleKey;
110
111 SParameterVector m_cachedSparams;
112
113 ComputePipeline m_rectangularComputePipeline;
114 ComputePipeline m_deEmbedComputePipeline;
115 ComputePipeline m_normalizeComputePipeline;
116 std::unique_ptr<VulkanFFTPlan> m_vkForwardPlan;
117 std::unique_ptr<VulkanFFTPlan> m_vkReversePlan;
118};
119
120#endif
Declaration of FFTFilter.
Encapsulates a Vulkan compute pipeline and all necessary resources to use it.
Definition: ComputePipeline.h:55
Definition: DeEmbedFilter.h:41
virtual DataLocation GetInputLocation() override
Gets the desired location of the nodes's input data.
Definition: DeEmbedFilter.cpp:125
virtual void InterpolateSparameters(float bin_hz, bool invert, size_t nouts)
Recalculate the cached S-parameters (and clamp gain if requested)
Definition: DeEmbedFilter.cpp:355
virtual int64_t GetGroupDelay()
Returns the max mid-band group delay of the channel.
Definition: DeEmbedFilter.cpp:335
void DoRefresh(bool invert, vk::raii::CommandBuffer &cmdBuf, std::shared_ptr< QueueHandle > queue)
Applies the S-parameters in the forward or reverse direction.
Definition: DeEmbedFilter.cpp:142
Abstract base class for all filter graph blocks which are not physical instrument channels.
Definition: Filter.h:95
virtual void Refresh() override
Evaluates a filter graph node.
Definition: Filter.cpp:823
A single S-parameter array.
Definition: SParameters.h:75
Descriptor for a single stream coming off a channel.
Definition: StreamDescriptor.h:46
Describes a particular revision of a waveform.
Definition: Filter.h:52