AlsaAudioDriver Class Reference
#include <AlsaAudioDriver.h>
Inheritance diagram for AlsaAudioDriver:
Public Member Functions | |
| AlsaAudioDriver (audioProcessCallback processCallback) | |
| ~AlsaAudioDriver () | |
| virtual int | init (unsigned nBufferSize) |
| virtual int | connect () |
| virtual void | disconnect () |
| virtual unsigned | getBufferSize () |
| virtual unsigned | getSampleRate () |
| virtual float * | getOut_L () |
| virtual float * | getOut_R () |
| virtual void | updateTransportInfo () |
| virtual void | play () |
| virtual void | stop () |
| virtual void | locate (unsigned long nFrame) |
| virtual void | setBpm (float fBPM) |
 Public Member Functions inherited from AudioOutput | |
| AudioOutput (const char *class_name) | |
| virtual | ~AudioOutput () |
| virtual int | init (unsigned nBufferSize)=0 |
| virtual int | connect ()=0 |
| virtual void | disconnect ()=0 |
| virtual unsigned | getBufferSize ()=0 |
| virtual unsigned | getSampleRate ()=0 |
| virtual int | getLatency () |
| Approximate audio latency (in frames) A reasonable approximation is the buffer time on most audio systems. More... | |
| virtual float * | getOut_L ()=0 |
| virtual float * | getOut_R ()=0 |
| virtual void | updateTransportInfo ()=0 |
| virtual void | play ()=0 |
| virtual void | stop ()=0 |
| virtual void | locate (unsigned long nFrame)=0 |
| virtual void | setBpm (float fBPM)=0 |
| Public Member Functions inherited from Object | |
| ~Object () | |
| destructor More... | |
| Object (const Object &obj) | |
| copy constructor More... | |
| Object (const char *class_name) | |
| constructor More... | |
| const char * | class_name () const |
| return the class name More... | |
| virtual QString | toQString (const QString &sPrefix, bool bShort=true) const |
| Formatted string version for debugging purposes. More... | |
| void | Print (bool bShort=true) const |
| Prints content of toQString() via DEBUGLOG. More... | |
Static Public Member Functions | |
| static QStringList | getDevices () |
| Use the name hints to build a list of potential device names. More... | |
| Static Public Member Functions inherited from AudioOutput | |
| static QStringList | getDevices () |
| Static Public Member Functions inherited from Object | |
| static void | set_count (bool flag) |
| enable/disable class instances counting More... | |
| static bool | count_active () |
| return true if class instances counting is enabled More... | |
| static unsigned | objects_count () |
| return the number of objects More... | |
| static void | write_objects_map_to (std::ostream &out) |
| output the full objects map to a given ostream More... | |
| static void | write_objects_map_to_cerr () |
| output objects map to stderr More... | |
| static int | bootstrap (Logger *logger, bool count=false) |
| must be called before any Object instantiation ! More... | |
| static Logger * | logger () |
| return the logger instance More... | |
Data Fields | |
| snd_pcm_t * | m_pPlayback_handle |
| bool | m_bIsRunning |
| unsigned long | m_nBufferSize |
| float * | m_pOut_L |
| float * | m_pOut_R |
| int | m_nXRuns |
| QString | m_sAlsaAudioDevice |
| audioProcessCallback | m_processCallback |
| Data Fields inherited from AudioOutput | |
| TransportInfo | m_transport |
| Local instance of the TransportInfo. More... | |
Private Attributes | |
| unsigned int | m_nSampleRate |
Additional Inherited Members | |
| Static Public Attributes inherited from Object | |
| static QString | sPrintIndention = " " |
| String used to format the debugging string output of some core classes. More... | |
| Static Protected Attributes inherited from Object | |
| static Logger * | __logger = nullptr |
| logger instance pointer More... | |
Constructor & Destructor Documentation
◆ AlsaAudioDriver()
| AlsaAudioDriver | ( | audioProcessCallback | processCallback | ) |
◆ ~AlsaAudioDriver()
| ~AlsaAudioDriver | ( | ) |
Member Function Documentation
◆ connect()
|
virtual |
Implements AudioOutput.
◆ disconnect()
|
virtual |
Implements AudioOutput.
◆ getBufferSize()
|
virtual |
Implements AudioOutput.
◆ getDevices()
|
static |
Use the name hints to build a list of potential device names.
◆ getOut_L()
|
virtual |
Implements AudioOutput.
◆ getOut_R()
|
virtual |
Implements AudioOutput.
◆ getSampleRate()
|
virtual |
Implements AudioOutput.
◆ init()
|
virtual |
Implements AudioOutput.
◆ locate()
|
virtual |
Implements AudioOutput.
◆ play()
|
virtual |
Implements AudioOutput.
◆ setBpm()
|
virtual |
Implements AudioOutput.
◆ stop()
|
virtual |
Implements AudioOutput.
◆ updateTransportInfo()
|
virtual |
Implements AudioOutput.
Field Documentation
◆ m_bIsRunning
| bool m_bIsRunning |
◆ m_nBufferSize
| unsigned long m_nBufferSize |
◆ m_nSampleRate
|
private |
◆ m_nXRuns
| int m_nXRuns |
◆ m_pOut_L
| float* m_pOut_L |
◆ m_pOut_R
| float* m_pOut_R |
◆ m_pPlayback_handle
| snd_pcm_t* m_pPlayback_handle |
◆ m_processCallback
| audioProcessCallback m_processCallback |
◆ m_sAlsaAudioDevice
| QString m_sAlsaAudioDevice |
