The Open Master Hearing Aid (openMHA)  openMHA
Open community platform for hearing aid algorithm research
MHAMultiSrc::waveform_t Class Reference
Inheritance diagram for MHAMultiSrc::waveform_t:
Inheritance graph

Public Member Functions

 waveform_t (MHA_AC::algo_comm_t &iac, std::string name, unsigned int frames, unsigned int channels)
 
mha_wave_t * update (mha_wave_t *s)
 Update data of waveform to hold actual input data. More...
 
- Public Member Functions inherited from MHA_AC::waveform_t
 waveform_t (algo_comm_t &ac, const std::string &name, unsigned int frames, unsigned int channels, bool insert_now)
 Initialize memory and metadata of the AC variable. More...
 
 ~waveform_t ()
 Destroy the AC variable: deallocate its memory. More...
 
void insert ()
 Insert or re-insert AC variable into AC space. More...
 
void remove ()
 Remove the AC variable by reference from the AC variable space. More...
 
- Public Member Functions inherited from MHASignal::waveform_t
 waveform_t (const unsigned int &frames, const unsigned int &channels)
 constructor of waveform_t More...
 
 waveform_t (const mhaconfig_t &cf)
 Constructor to create a waveform from plugin configuration. More...
 
 waveform_t (const mha_wave_t &src)
 Copy contructor for mha_wave_t source. More...
 
 waveform_t (const MHASignal::waveform_t &src)
 Copy contructor. More...
 
 waveform_t (const std::vector< mha_real_t > &src)
 Copy contructor for std::vector<mha_real_t> source. More...
 
std::vector< mha_real_t > flatten () const
 
 operator std::vector< mha_real_t > () const
 
void operator= (const mha_real_t &v)
 
mha_real_t & operator[] (unsigned int k)
 
const mha_real_t & operator[] (unsigned int k) const
 
mha_real_t & value (unsigned int t, unsigned int ch)
 Element accessor. More...
 
mha_real_t & operator() (unsigned int t, unsigned int ch)
 Element accessor. More...
 
const mha_real_t & value (unsigned int t, unsigned int ch) const
 Constant element accessor. More...
 
const mha_real_t & operator() (unsigned int t, unsigned int ch) const
 Constant element accessor. More...
 
mha_real_t sum (const unsigned int &a, const unsigned int &b)
 sum of all elements between [a,b) in all channels More...
 
mha_real_t sum (const unsigned int &a, const unsigned int &b, const unsigned int &ch)
 sum of all elements between [a,b) in channel ch More...
 
mha_real_t sum ()
 sum of all elements More...
 
mha_real_t sumsqr ()
 sum of square of all elements More...
 
mha_real_t sum_channel (const unsigned int &)
 return sum of all elements in one channel More...
 
void assign (const unsigned int &k, const unsigned int &ch, const mha_real_t &val)
 set frame "k" in channel "ch" to value "val" More...
 
void assign (const mha_real_t &)
 set all elements to value More...
 
void assign_frame (const unsigned int &k, const mha_real_t &val)
 assign value "val" to frame k in all channels More...
 
void assign_channel (const unsigned int &c, const mha_real_t &val)
 assign value "val" to channel ch in all frames More...
 
void copy (const std::vector< mha_real_t > &v)
 
void copy (const mha_wave_t &)
 copy data from source into current waveform More...
 
void copy (const mha_wave_t *)
 
void copy_channel (const mha_wave_t &, unsigned int, unsigned int)
 Copy one channel of a given waveform signal to a target channel. More...
 
void copy_from_at (unsigned int, unsigned int, const mha_wave_t &, unsigned int)
 Copy part of the source signal into part of this waveform object. More...
 
void export_to (mha_wave_t &)
 copy data into allocated mha_wave_t structure More...
 
void limit (const mha_real_t &min, const mha_real_t &max)
 limit target to range [min,max] More...
 
void power (const waveform_t &)
 transform waveform signal (in Pa) to squared signal (in W/m^2) More...
 
void powspec (const mha_spec_t &)
 get the power spectrum (in W/m^2) from a complex spectrum More...
 
void scale (const unsigned int &a, const unsigned int &b, const unsigned int &ch, const mha_real_t &val)
 scale section [a,b) in channel "ch" by "val" More...
 
void scale (const unsigned int &k, const unsigned int &ch, const mha_real_t &val)
 scale one element More...
 
void scale_channel (const unsigned int &, const mha_real_t &)
 scale one channel of target with a scalar More...
 
void scale_frame (const unsigned int &, const mha_real_t &)
 
unsigned int get_size () const
 
- Public Member Functions inherited from MHAMultiSrc::base_t
 base_t (MHA_AC::algo_comm_t &iac)
 
void select_source (const std::vector< std::string > &src, int in_channels)
 Change the selection of input sources. More...
 

Additional Inherited Members

- Public Attributes inherited from mha_wave_t
mha_real_t * buf
 signal buffer More...
 
unsigned int num_channels
 number of channels More...
 
unsigned int num_frames
 number of frames in each channel More...
 
mha_channel_info_t * channel_info
 detailed channel description More...
 
- Protected Member Functions inherited from MHAPlugin::config_t< MHAMultiSrc::channels_t >
MHAMultiSrc::channels_t * poll_config ()
 Receive the latest run time configuration. More...
 
MHAMultiSrc::channels_t * peek_config () const
 Receive the latest run time configuration without changing the configuration pointer. More...
 
void push_config (MHAMultiSrc::channels_t *ncfg)
 Push a new run time configuration into the configuration fifo. More...
 
void cleanup_unused_cfg ()
 To be called by the push_config() for housekeeping. More...
 
void remove_all_cfg ()
 To be called on Plugin destruction, will delete all runtime configuration list nodes and objects regardless of their in_use flag. More...
 
 config_t ()
 
 ~config_t ()
 
- Protected Attributes inherited from MHA_AC::waveform_t
algo_comm_t & ac
 AC variable space. More...
 
const std::string name
 Name of this AC variable in the AC variable space. More...
 
const bool remove_during_destructor
 flag whether to remove from AC variable space in destructor. More...
 
- Protected Attributes inherited from MHAMultiSrc::base_t
MHA_AC::algo_comm_t & ac
 
- Protected Attributes inherited from MHAPlugin::config_t< MHAMultiSrc::channels_t >
MHAMultiSrc::channels_t * cfg
 Pointer to the runtime configuration currently used by the signal processing thread. More...
 

Constructor & Destructor Documentation

◆ waveform_t()

MHAMultiSrc::waveform_t::waveform_t ( MHA_AC::algo_comm_t &  iac,
std::string  name,
unsigned int  frames,
unsigned int  channels 
)

Member Function Documentation

◆ update()

mha_wave_t * MHAMultiSrc::waveform_t::update ( mha_wave_t *  s)

Update data of waveform to hold actual input data.

Parameters
sInput signal chunk
Returns
Return pointer to waveform structure

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