MusicDriver_ExtMidi Class Reference

Inheritance diagram for MusicDriver_ExtMidi:

Public Member Functions
std::optional< std::string_view >	Start (const StringList &param) override
	Start this driver.
void	Stop () override
	Stop this driver.
void	PlaySong (const MusicSongInfo &song) override
	Play a particular song.
void	StopSong () override
	Stop playing the current song.
bool	IsSongPlaying () override
	Are we currently playing a song?
void	SetVolume (uint8_t vol) override
	Set the volume, if possible.
std::string_view	GetName () const override
	Get the name of this driver.

Private Member Functions
void	DoPlay ()
void	DoStop ()

Private Attributes
std::vector< std::string >	command_tokens {}
std::string	song {}
pid_t	pid = 0

Additional Inherited Members
Public Types inherited from Driver
enum	Type : uint8_t {   DT_BEGIN = 0 , DT_MUSIC = 0 , DT_SOUND , DT_VIDEO ,   DT_END }
	The type of driver. More...
Static Public Member Functions inherited from MusicDriver
static MusicDriver *	GetInstance ()
	Get the currently active instance of the music driver.

Detailed Description

Definition at line 15 of file extmidi.h.

Member Function Documentation

DoPlay()

void MusicDriver_ExtMidi::DoPlay ( )

private

Definition at line 102 of file extmidi.cpp.

DoStop()

void MusicDriver_ExtMidi::DoStop ( )

private

Definition at line 156 of file extmidi.cpp.

GetName()

std::string_view MusicDriver_ExtMidi::GetName ( ) const

inlineoverridevirtual

Get the name of this driver.

Returns

The name of the driver.

Implements Driver.

Definition at line 36 of file extmidi.h.

Referenced by Start().

IsSongPlaying()

bool MusicDriver_ExtMidi::IsSongPlaying ( )

overridevirtual

Are we currently playing a song?

Returns

True if a song is being played.

Implements MusicDriver.

Definition at line 88 of file extmidi.cpp.

PlaySong()

void MusicDriver_ExtMidi::PlaySong ( const MusicSongInfo &  song )

overridevirtual

Play a particular song.

Parameters

song	The information for the song to play.

Implements MusicDriver.

Definition at line 73 of file extmidi.cpp.

References MidiFile::GetSMFFile().

SetVolume()

void MusicDriver_ExtMidi::SetVolume ( uint8_t  vol )

overridevirtual

Set the volume, if possible.

Parameters

vol	The new volume.

Implements MusicDriver.

Definition at line 97 of file extmidi.cpp.

References Debug.

Start()

std::optional< std::string_view > MusicDriver_ExtMidi::Start ( const StringList &  parm )

overridevirtual

Start this driver.

Parameters

parm	Parameters passed to the driver.

Returns

std::nullopt if everything went okay, otherwise an error message.

Implements Driver.

Definition at line 37 of file extmidi.cpp.

References EXTERNAL_PLAYER, GetDriverParam(), SoundDriver::GetInstance(), VideoDriver::GetInstance(), GetName(), and StrEmpty().

Stop()

void MusicDriver_ExtMidi::Stop ( )

overridevirtual

Stop this driver.

Implements Driver.

Definition at line 67 of file extmidi.cpp.

StopSong()

void MusicDriver_ExtMidi::StopSong ( )

overridevirtual

Stop playing the current song.

Implements MusicDriver.

Definition at line 82 of file extmidi.cpp.

Field Documentation

command_tokens

std::vector<std::string> MusicDriver_ExtMidi::command_tokens {}

private

Definition at line 17 of file extmidi.h.

pid

pid_t MusicDriver_ExtMidi::pid = 0

private

Definition at line 19 of file extmidi.h.

song

std::string MusicDriver_ExtMidi::song {}

private

Definition at line 18 of file extmidi.h.

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

• src/music/extmidi.h
• src/music/extmidi.cpp