OSS Audio Driver. More...
#include <OssDriver.h>
Public Member Functions | |
| OssDriver (audioProcessCallback processCallback) | |
| ~OssDriver () | |
| int | connect () |
| Connect return 0: Ok return 1: Generic error. | |
| void | disconnect () |
| unsigned | getBufferSize () |
| float * | getOut_L () |
| float * | getOut_R () |
| unsigned | getSampleRate () |
| int | init (unsigned bufferSize) |
| void | write () |
| Write the audio data. | |
 Public Member Functions inherited from Object< OssDriver > | |
| Object () | |
| Object (const Object< OssDriver > &other) | |
| Public Member Functions inherited from Base | |
| Base () | |
| Base (const Base &other) | |
| virtual const char * | class_name () const |
| void | Print (bool bShort=true) const |
| Prints content of toQString() via DEBUGLOG. | |
| virtual QString | toQString (const QString &sPrefix="", bool bShort=true) const |
| Formatted string version for debugging purposes. | |
| Public Member Functions inherited from AudioOutput | |
| AudioOutput ()=default | |
| virtual | ~AudioOutput () |
| virtual int | getLatency () |
| Approximate audio latency (in frames) A reasonable approximation is the buffer time on most audio systems. | |
| virtual int | getXRuns () const |
| Get the number of XRuns that occurred since the audio driver has started. | |
| Public Member Functions inherited from Object< AudioOutput > | |
| Object () | |
| Object (const Object< AudioOutput > &other) | |
Private Member Functions | |
| int | log2 (int n) |
Private Attributes | |
| short * | audioBuffer |
| int | fd |
| file descriptor, for writing to /dev/dsp | |
| float * | out_L |
| float * | out_R |
| audioProcessCallback | processCallback |
Additional Inherited Members | |
| Static Public Member Functions inherited from Base | |
| static const char * | _class_name () |
| return the class name | |
| static QString | base_clock (const QString &sMsg) |
| Measures the current time and stores it in __last_clock. | |
| static QString | base_clock_in (const QString &sMsg) |
| static int | bootstrap (Logger *logger, bool count=false) |
| must be called before any Object instantiation ! | |
| static bool | count_active () |
| static int | getAliveObjectCount () |
| static object_map_t | getObjectMap () |
| static Logger * | logger () |
| return the logger instance | |
| static int | objects_count () |
| static void | printObjectMapDiff (object_map_t map) |
| Creates the difference between a snapshot of the object map and its current state and prints it to std::cout. | |
| static void | set_count (bool flag) |
| enable/disable class instances counting | |
| static void | write_objects_map_to (std::ostream &out, object_map_t *map=nullptr) |
| output the full objects map to a given ostream | |
| static void | write_objects_map_to_cerr () |
| output objects map to stderr | |
| Static Public Member Functions inherited from AudioOutput | |
| static QStringList | getDevices () |
| Static Public Attributes inherited from Base | |
| static QString | sPrintIndention = " " |
| String used to format the debugging string output of some core classes. | |
| Protected Member Functions inherited from Object< OssDriver > | |
| ~Object () | |
| Protected Member Functions inherited from Base | |
| ~Base () | |
| Protected Member Functions inherited from Object< AudioOutput > | |
| ~Object () | |
| Static Protected Member Functions inherited from Base | |
| static void | registerClass (const char *name, const atomic_obj_cpt_t *counters) |
| Static Protected Attributes inherited from Base | |
| static bool | __count = false |
| should we count class instances | |
| static timeval | __last_clock = { 0, 0 } |
| static Logger * | __logger = nullptr |
Detailed Description
OSS Audio Driver.
Definition at line 64 of file OssDriver.h.
Constructor & Destructor Documentation
◆ OssDriver()
| OssDriver | ( | audioProcessCallback | processCallback | ) |
Definition at line 70 of file OssDriver.cpp.
◆ ~OssDriver()
| ~OssDriver | ( | ) |
Definition at line 85 of file OssDriver.cpp.
Member Function Documentation
◆ connect()
|
virtual |
Connect return 0: Ok return 1: Generic error.
Implements AudioOutput.
Definition at line 114 of file OssDriver.cpp.
◆ disconnect()
|
virtual |
Implements AudioOutput.
Definition at line 206 of file OssDriver.cpp.
◆ getBufferSize()
|
virtual |
Implements AudioOutput.
Definition at line 269 of file OssDriver.cpp.
◆ getOut_L()
|
virtual |
Implements AudioOutput.
Definition at line 282 of file OssDriver.cpp.
◆ getOut_R()
|
virtual |
Implements AudioOutput.
Definition at line 286 of file OssDriver.cpp.
◆ getSampleRate()
|
virtual |
Implements AudioOutput.
Definition at line 275 of file OssDriver.cpp.
◆ init()
|
virtual |
Implements AudioOutput.
Definition at line 90 of file OssDriver.cpp.
◆ log2()
|
private |
Definition at line 258 of file OssDriver.cpp.
◆ write()
| void write | ( | ) |
Write the audio data.
Definition at line 235 of file OssDriver.cpp.
Field Documentation
◆ audioBuffer
|
private |
Definition at line 85 of file OssDriver.h.
◆ fd
|
private |
file descriptor, for writing to /dev/dsp
Definition at line 83 of file OssDriver.h.
◆ out_L
|
private |
Definition at line 86 of file OssDriver.h.
◆ out_R
|
private |
Definition at line 87 of file OssDriver.h.
◆ processCallback
|
private |
Definition at line 89 of file OssDriver.h.
