ngscopeclient v0.2.2
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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
48 static std::string GetProtocolName();
49
50 PROTOCOL_DECODER_INITPROC(DeEmbedFilter)
51
52 //Accessors for internal values only used by unit tests
53 //TODO: refactor this into a friend class or something?
54 size_t test_GetNumPoints()
55 { return m_cachedNumPoints; }
56
57 size_t test_GetOutLen()
58 { return m_cachedOutLen; }
59
60 size_t test_GetNouts()
61 { return m_cachedNouts; }
62
63 AcceleratorBuffer<float>& test_GetCachedInputBuffer()
64 { return m_forwardInBuf; }
65
66 AcceleratorBuffer<float>& test_GetResampledSines()
67 { return m_resampledSparamSines; }
68
69 AcceleratorBuffer<float>& test_GetResampledCosines()
70 { return m_resampledSparamCosines; }
71
72 size_t test_GetIstart()
73 { return m_cachedIstart; }
74
75protected:
76 virtual int64_t GetGroupDelay();
77 void DoRefresh(bool invert, vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue);
78 virtual void InterpolateSparameters(float bin_hz, bool invert, size_t nouts);
79
80 std::string m_maxGainName;
81 std::string m_groupDelayTruncModeName;
82 std::string m_groupDelayTruncName;
83
84 enum TruncationMode
85 {
86 TRUNC_AUTO,
87 TRUNC_MANUAL
88 };
89
90 float m_cachedMaxGain;
91
92 double m_cachedBinSize;
93 AcceleratorBuffer<float> m_resampledSparamSines;
94 AcceleratorBuffer<float> m_resampledSparamCosines;
95
96 size_t m_cachedNumPoints;
97 size_t m_cachedOutLen;
98 size_t m_cachedNouts;
99 size_t m_cachedIstart;
100
101 AcceleratorBuffer<float> m_forwardInBuf;
102 AcceleratorBuffer<float> m_forwardOutBuf;
103 AcceleratorBuffer<float> m_reverseOutBuf;
104
105 WaveformCacheKey m_magKey;
106 WaveformCacheKey m_angleKey;
107
108 SParameterVector m_cachedSparams;
109
110 ComputePipeline m_rectangularComputePipeline;
111 ComputePipeline m_deEmbedComputePipeline;
112 ComputePipeline m_normalizeComputePipeline;
113 std::unique_ptr<VulkanFFTPlan> m_vkForwardPlan;
114 std::unique_ptr<VulkanFFTPlan> m_vkReversePlan;
115};
116
117#endif
Declaration of FFTFilter.
Definition AcceleratorBuffer.h:204
Encapsulates a Vulkan compute pipeline and all necessary resources to use it.
Definition ComputePipeline.h:55
Definition DeEmbedFilter.h:41
virtual void InterpolateSparameters(float bin_hz, bool invert, size_t nouts)
Recalculate the cached S-parameters (and clamp gain if requested)
Definition DeEmbedFilter.cpp:346
virtual int64_t GetGroupDelay()
Returns the max mid-band group delay of the channel.
Definition DeEmbedFilter.cpp:326
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:119
Abstract base class for all filter graph blocks which are not physical instrument channels.
Definition Filter.h:105
A single S-parameter array.
Definition SParameters.h:75
Describes a particular revision of a waveform.
Definition Filter.h:62