webrtc::NonlinearBeamformer Class Reference

#include <nonlinear_beamformer.h>

Inheritance diagram for webrtc::NonlinearBeamformer:

Public Member Functions
	NonlinearBeamformer (const std::vector< Point > &array_geometry, size_t num_postfilter_channels=1u, SphericalPointf target_direction=SphericalPointf(static_cast< float >(M_PI)/2.f, 0.f, 1.f))
	~NonlinearBeamformer () override
virtual void	Initialize (int chunk_size_ms, int sample_rate_hz)
virtual void	AnalyzeChunk (const ChannelBuffer< float > &data)
virtual void	PostFilter (ChannelBuffer< float > *data)
virtual void	AimAt (const SphericalPointf &target_direction)
virtual bool	IsInBeam (const SphericalPointf &spherical_point)
virtual bool	is_target_present ()
	NonlinearBeamformer (const std::vector< Point > &array_geometry, size_t num_postfilter_channels=1u, SphericalPointf target_direction=SphericalPointf(static_cast< float >(M_PI)/2.f, 0.f, 1.f))
	~NonlinearBeamformer () override
virtual void	Initialize (int chunk_size_ms, int sample_rate_hz)
virtual void	AnalyzeChunk (const ChannelBuffer< float > &data)
virtual void	PostFilter (ChannelBuffer< float > *data)
virtual void	AimAt (const SphericalPointf &target_direction)
virtual bool	IsInBeam (const SphericalPointf &spherical_point)
virtual bool	is_target_present ()
Public Member Functions inherited from webrtc::LappedTransform::Callback
virtual	~Callback ()
virtual void	ProcessAudioBlock (const std::complex< float > *const *in_block, size_t num_in_channels, size_t frames, size_t num_out_channels, std::complex< float > *const *out_block)=0
virtual	~Callback ()
virtual void	ProcessAudioBlock (const std::complex< float > *const *in_block, size_t num_in_channels, size_t frames, size_t num_out_channels, std::complex< float > *const *out_block)=0

Static Public Attributes
static const float	kHalfBeamWidthRadians = DegreesToRadians(20.f)

Protected Member Functions
void	ProcessAudioBlock (const complex< float > *const *input, size_t num_input_channels, size_t num_freq_bins, size_t num_output_channels, complex< float > *const *output) override
void	ProcessAudioBlock (const complex< float > *const *input, size_t num_input_channels, size_t num_freq_bins, size_t num_output_channels, complex< float > *const *output) override

Constructor & Destructor Documentation

NonlinearBeamformer() [1/2]

webrtc::NonlinearBeamformer::NonlinearBeamformer ( const std::vector< Point > &  array_geometry, size_t  num_postfilter_channels = 1u, SphericalPointf  target_direction = SphericalPointf(static_cast<float>(M_PI) / 2.f, 0.f, 1.f)  )

explicit

~NonlinearBeamformer() [1/2]

webrtc::NonlinearBeamformer::~NonlinearBeamformer ( )

overridedefault

NonlinearBeamformer() [2/2]

webrtc::NonlinearBeamformer::NonlinearBeamformer ( const std::vector< Point > &  array_geometry, size_t  num_postfilter_channels = 1u, SphericalPointf  target_direction = SphericalPointf(static_cast< float >(M_PI)/2.f, 0.f, 1.f)  )

explicit

~NonlinearBeamformer() [2/2]

webrtc::NonlinearBeamformer::~NonlinearBeamformer ( )

override

Member Function Documentation

AimAt() [1/2]

void webrtc::NonlinearBeamformer::AimAt ( const SphericalPointf &  target_direction )

virtual

AimAt() [2/2]

virtual void webrtc::NonlinearBeamformer::AimAt ( const SphericalPointf &  target_direction )

virtual

AnalyzeChunk() [1/2]

virtual void webrtc::NonlinearBeamformer::AnalyzeChunk ( const ChannelBuffer< float > &  data )

virtual

AnalyzeChunk() [2/2]

void webrtc::NonlinearBeamformer::AnalyzeChunk ( const ChannelBuffer< float > &  data )

virtual

Initialize() [1/2]

virtual void webrtc::NonlinearBeamformer::Initialize ( int  chunk_size_ms, int  sample_rate_hz  )

virtual

Initialize() [2/2]

void webrtc::NonlinearBeamformer::Initialize ( int  chunk_size_ms, int  sample_rate_hz  )

virtual

is_target_present() [1/2]

bool webrtc::NonlinearBeamformer::is_target_present ( )

virtual

is_target_present() [2/2]

virtual bool webrtc::NonlinearBeamformer::is_target_present ( )

virtual

IsInBeam() [1/2]

bool webrtc::NonlinearBeamformer::IsInBeam ( const SphericalPointf &  spherical_point )

virtual

IsInBeam() [2/2]

virtual bool webrtc::NonlinearBeamformer::IsInBeam ( const SphericalPointf &  spherical_point )

virtual

PostFilter() [1/2]

virtual void webrtc::NonlinearBeamformer::PostFilter ( ChannelBuffer< float > *  data )

virtual

PostFilter() [2/2]

void webrtc::NonlinearBeamformer::PostFilter ( ChannelBuffer< float > *  data )

virtual

ProcessAudioBlock() [1/2]

void webrtc::NonlinearBeamformer::ProcessAudioBlock ( const complex< float > *const *  input, size_t  num_input_channels, size_t  num_freq_bins, size_t  num_output_channels, complex< float > *const *  output  )

overrideprotected

ProcessAudioBlock() [2/2]

void webrtc::NonlinearBeamformer::ProcessAudioBlock ( const complex< float > *const *  input, size_t  num_input_channels, size_t  num_freq_bins, size_t  num_output_channels, complex< float > *const *  output  )

overrideprotected

Member Data Documentation

kHalfBeamWidthRadians

static const float webrtc::NonlinearBeamformer::kHalfBeamWidthRadians = DegreesToRadians(20.f)

static

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The documentation for this class was generated from the following files:

• DerivedData/WebKit/Build/Products/Debug/usr/local/include/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.h
• Source/ThirdParty/libwebrtc/Source/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc