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linux-audio-output.dot (5299B)

digraph "Linux Audio Output APIs (available code)" {
	node [ shape=ellipse style=filled ];
	label="Linux Audio Output APIs (available code)
	CC-BY 4.0 © 2020-2021 Haelwenn (lanodan) Monnier
	https://hacktivis.me/articles/linux-audio-output";
	labelURL="https://hacktivis.me/articles/linux-audio-output"
	subgraph cluster_legend {
		label="Legend"
		server [ shape=octagon fillcolor=orange ];
		driver [ shape=hexagon fillcolor=yellow ];
		hardware [ shape=box fillcolor=cyan ];
	}
	{ rank=same "sound card" "phone modem" bluetooth }
	"sound card"  [ shape=box fillcolor=cyan ];
	"phone modem" [ shape=box fillcolor=cyan ];
	bluetooth     [ shape=box fillcolor=cyan ];
	portaudio [ URL="https://app.assembla.com/spaces/portaudio/git/source/master/src/hostapi/" ];
	portaudio -> ALSA;
	portaudio -> JACK;
	portaudio -> OSS;
	portaudio -> asihpi;
	asihpi [ shape=hexagon fillcolor=yellow ];
	asihpi -> "sound card" [ color=green ];
	// through a patch
	portaudio -> sndio;
	// https://rudd-o.com/linux-and-free-software/how-pulseaudio-works
	PulseAudio [ shape=octagon fillcolor=orange URL="https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/" ];
	PulseAudio -> ALSA;
	PulseAudio -> "sound card" [ color=green ];
	PulseAudio -> OSS [ dir=both ];
	PulseAudio -> JACK;
	PulseAudio -> bluez;
	PulseAudio -> ofono;
	"X11 bell" -> PulseAudio;
	PipeWire [ shape=octagon fillcolor=orange URL="http://pipewire.org/" ];
	PulseAudio -> PipeWire [ dir=both ];
	ALSA -> PipeWire [ dir=both ];
	JACK -> PipeWire [ dir=both ];
	PipeWire -> bluez;
	gstreamer -> PipeWire;
	ofono [ shape=hexagon fillcolor=yellow ];
	ofono -> "phone modem" [ color=green ];
	bluez [ label="BlueZ" shape=hexagon fillcolor=yellow ];
	ALSA -> bluez;
	bluez -> bluetooth [ color=green ];
	sox [ URL="http://sox.sourceforge.net/Docs/Features" ];
	sox -> libao;
	sox -> PulseAudio [ dir=both ];
	sox -> ALSA;
	sox -> sndio;
	libao [ URL="https://www.xiph.org/ao/" ];
	libao -> OSS;
	libao -> ALSA;
	libao -> aRts;
	libao -> PulseAudio;
	libao -> ESD;
	libao -> NAS;
	libao -> RoarAudio;
	libao -> sndio;
	RoarAudio [ URL="http://roaraudio.keep-cool.org/" ];
	OSS -> RoarAudio;
	RoarAudio -> sndio;
	RoarAudio -> PulseAudio;
	RoarAudio -> ESD;
	RoarAudio -> aRts;
	// Probably incomplete, need some proper documentation
	ESD [ shape=octagon fillcolor=orange ];
	ESD -> OSS;
	ESD -> ALSA;
	libcanberra [ URL="http://git.0pointer.net/libcanberra.git/tree/src/driver-order.c" ];
	libcanberra -> PulseAudio;
	libcanberra -> OSS;
	libcanberra -> ALSA;
	libcanberra -> gstreamer;
	sndio [ shape=octagon fillcolor=orange URL="http://www.sndio.org/" ];
	sndio -> ALSA [ dir=both ];
	PulseAudio -> sndio;
	gstreamer -> sndio;
	OpenAL [ URL="https://www.openal-soft.org/" ];
	OpenAL -> PulseAudio;
	OpenAL -> ALSA;
	OpenAL -> OSS;
	OpenAL -> SoundIO;
	OpenAL -> portaudio;
	OpenAL -> JACK;
	OpenAL -> sndio;
	SoundIO [ URL="http://libsound.io/" ];
	SoundIO -> JACK;
	SoundIO -> PulseAudio;
	SoundIO -> ALSA;
	RtAudio [ URL="https://www.music.mcgill.ca/~gary/rtaudio/apinotes.html" ];
	RtAudio -> OSS [ label="OSS 4.0+" ];
	RtAudio -> ALSA;
	RtAudio -> JACK;
	RtAudio -> PulseAudio;
	// This shit is the hardest to find any documentation for
	JUCE -> ALSA;
	JUCE -> JACK;
	ALSA [ shape=hexagon URL="https://alsa-project.org/wiki/Asoundrc#Plugins"  fillcolor=yellow ];
	ALSA -> "sound card" [ color=green ];
	ALSA -> PulseAudio;
	ALSA -> JACK [ dir=both ];
	ALSA -> aRts;
	OSS -> ALSA;
	OSS [ shape=hexagon fillcolor=yellow ];
	OSS -> "sound card" [ color=green fontcolor=green label="third-party drivers from opensound.com" ];
	// OSS -> "sound card"; Got removed in the linux kernel
	// https://wiki.libsdl.org/FAQUsingSDL
	SDL1 [ label="libSDL-1.2" URL="https://hg.libsdl.org/SDL/file/fba40d9f4a73/src/audio" ];
	SDL1 -> ALSA;
	SDL1 -> aRts;
	SDL1 -> ESD;
	SDL1 -> NAS;
	SDL1 -> OSS;
	SDL1 -> PulseAudio;
	SDL2 [ label="libSDL-2.0" URL="https://hg.libsdl.org/SDL/file/355a4f94a782" ];
	SDL2 -> ALSA;
	SDL2 -> aRts;
	SDL2 -> ESD;
	SDL2 -> FusionSound [ color=red ];
	SDL2 -> JACK;
	SDL2 -> NAS;
	// Maybe SDL2 -> "NaCL";
	SDL2 -> OSS;
	SDL2 -> PulseAudio;
	SDL2 -> sndio;
	FusionSound [ label="DirectFB/FusionSound\n[dead]" fillcolor=red ];
	// And then where the hell does it goes?
	NAS [ shape=octagon fillcolor=orange label="Network Audio System/Server" URL="http://radscan.com/nas.html" ]
	gstreamer -> ALSA;
	gstreamer -> OSS;
	gstreamer -> JACK;
	gstreamer -> PulseAudio;
	phonon -> gstreamer;
	phonon -> VLC;
	phonon -> PulseAudio;
	ClanLib [ URL="https://github.com/sphair/ClanLib/tree/master/Sources/Sound/Platform/Linux" ];
	ClanLib -> ALSA;
	ClanLib -> OSS;
	allegro [ URL="https://github.com/liballeg/allegro5/tree/master/addons/audio" ];
	allegro -> OSS;
	allegro -> OpenAL;
	allegro -> PulseAudio;
	allegro -> SDL1;
	allegro -> SDL2;
	telepathy -> "phone modem" [ label="?" fontcolor=red ];
	VLC [ URL="https://code.videolan.org/videolan/vlc/-/tree/master/modules/audio_output" ];
	VLC -> ALSA;
	VLC -> JACK;
	VLC -> OSS;
	VLC -> PulseAudio;
	VLC -> sndio;
	pcaudiolib [ URL="https://github.com/espeak-ng/pcaudiolib" ];
	pcaudiolib -> ALSA;
	pcaudiolib -> OSS;
	pcaudiolib -> PulseAudio;
	JACK [ shape=octagon fillcolor=orange URL="https://jackaudio.org/" ];
	JACK -> OSS;
}