The Open Master Hearing Aid (openMHA)
openMHA
Open community platform for hearing aid algorithm research
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Dummy sound io library. More...
Public Member Functions | |
io_dummy_t (unsigned int fragsize, float samplerate, IOProcessEvent_t proc_event, void *proc_handle, IOStartedEvent_t start_event, void *start_handle, IOStoppedEvent_t stop_event, void *stop_handle) | |
void | prepare (int nch_in) |
Prepare. More... | |
void | release () |
Release. More... | |
void | start () |
Initialize main_loop and start the loop immediately, stop on error. More... | |
void | stop () |
Send stop request to main loop and join thread. More... | |
Public Member Functions inherited from MHAParser::parser_t | |
parser_t (const std::string &help_text="") | |
Construct detached node to be used in the configuration tree. More... | |
~parser_t () | |
void | insert_item (const std::string &, base_t *) |
Register a parser item into this sub-parser. More... | |
void | remove_item (const std::string &) |
Remove an item by name. More... | |
void | force_remove_item (const std::string &) |
Remove an item by name. More... | |
void | remove_item (const base_t *) |
Remove an item by address. More... | |
Public Member Functions inherited from MHAParser::base_t | |
base_t (const std::string &) | |
Constructor for base class of all parser nodes. More... | |
base_t (const base_t &) | |
Copy constructor for base_t. More... | |
base_t & | operator= (const base_t &)=default |
base_t (base_t &&)=delete | |
base_t & | operator= (base_t &&)=delete |
virtual | ~base_t () |
virtual std::string | parse (const std::string &) |
Causes this node to process a command in the openMHA configuration language. More... | |
virtual void | parse (const char *, char *, unsigned int) |
This function parses a command and writes the parsing result into a C character array. More... | |
virtual void | parse (const std::vector< std::string > &, std::vector< std::string > &) |
virtual std::string | query_perm (const std::string &) |
virtual std::string | query_range (const std::string &) |
std::string | query_version (const std::string &) |
std::string | query_id (const std::string &) |
std::string | query_subst (const std::string &) |
std::string | query_addsubst (const std::string &) |
std::string | query_help (const std::string &) |
std::string | query_cmds (const std::string &) |
void | set_node_id (const std::string &) |
Set the identification string of this parser node. More... | |
void | set_help (const std::string &) |
Set the help comment of a variable or parser. More... | |
void | add_parent_on_insert (parser_t *, std::string) |
void | rm_parent_on_remove (parser_t *) |
const std::string & | fullname () const |
Return the full dot-separated path name of this parser node in the openMHA configuration tree. More... | |
Private Attributes | |
float | samplerate |
The framework's sampling rate. More... | |
unsigned int | fragsize |
The framework's frag size. More... | |
IOProcessEvent_t | proc_event |
Pointer to signal processing callback function. More... | |
IOStartedEvent_t | start_event |
Pointer to start notification callback function. More... | |
IOStoppedEvent_t | stop_event |
Pointer to stop notification callback function. More... | |
void * | proc_handle |
Handles belonging to framework. More... | |
void * | start_handle |
void * | stop_handle |
std::unique_ptr< MHASignal::waveform_t > | in |
Input sound for framework, always zero. More... | |
mha_wave_t * | out |
Output from framework, always ignored. More... | |
std::thread | main_loop |
Main event loop. More... | |
std::atomic< bool > | stop_request |
Stop request flag for main_loop. More... | |
Additional Inherited Members | |
Public Attributes inherited from MHAParser::base_t | |
MHAEvents::emitter_t | writeaccess |
Event emitted on write access. More... | |
MHAEvents::emitter_t | valuechanged |
Event emitted if the value has changed. More... | |
MHAEvents::emitter_t | readaccess |
Event emitted on read access. More... | |
MHAEvents::emitter_t | prereadaccess |
Event emitted on read access, before the data field is accessed. More... | |
Protected Member Functions inherited from MHAParser::parser_t | |
std::string | op_subparse (expression_t &) |
std::string | op_setval (expression_t &) |
std::string | op_query (expression_t &) |
std::string | query_type (const std::string &) |
std::string | query_dump (const std::string &) |
std::string | query_entries (const std::string &) |
std::string | query_readfile (const std::string &) |
std::string | query_savefile (const std::string &) |
std::string | query_savefile_compact (const std::string &) |
std::string | query_savemons (const std::string &) |
std::string | query_val (const std::string &) |
std::string | query_listids (const std::string &) |
void | set_id_string (const std::string &) |
bool | has_entry (const std::string &) |
Protected Member Functions inherited from MHAParser::base_t | |
void | activate_query (const std::string &, query_t) |
void | notify () |
Protected Attributes inherited from MHAParser::base_t | |
query_map_t | queries |
bool | data_is_initialized |
Dummy sound io library.
Simulates real time sound. Input is always zero, output is always ignored.
io_dummy_t::io_dummy_t | ( | unsigned int | fragsize, |
float | samplerate, | ||
IOProcessEvent_t | proc_event, | ||
void * | proc_handle, | ||
IOStartedEvent_t | start_event, | ||
void * | start_handle, | ||
IOStoppedEvent_t | stop_event, | ||
void * | stop_handle | ||
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void io_dummy_t::prepare | ( | int | nch_in | ) |
Prepare.
Initialized the input buffer
void io_dummy_t::release | ( | void | ) |
Release.
Frees the input buffer
void io_dummy_t::start | ( | ) |
Initialize main_loop and start the loop immediately, stop on error.
void io_dummy_t::stop | ( | ) |
Send stop request to main loop and join thread.
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The framework's sampling rate.
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The framework's frag size.
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Pointer to signal processing callback function.
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Pointer to start notification callback function.
Called when the user issues the start command.
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Pointer to stop notification callback function.
Called when the user issues a stop request
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Handles belonging to framework.
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Input sound for framework, always zero.
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Output from framework, always ignored.
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Main event loop.
Calls the framework's process chain periodically according to sampling rate and fragsize
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Stop request flag for main_loop.