More hacking

Move array and map to pinos
Move more things to spa lib
ControlCmd -> Message
Make pinos log, use for plugins as well
work on ringbuffer in alsa and nodes
work on making registry with all objects

spa/plugins/volume/meson.build

@@ -2,7 +2,7 @@ volume_sources = ['volume.c', 'plugin.c']
 
 volumelib = shared_library('spa-volume',
                            volume_sources,
-                           include_directories : spa_inc,
+                           include_directories : [spa_inc, spa_libinc],
                            link_with : spalib,
                            install : true,
                            install_dir : '@0@/spa'.format(get_option('libdir')))

spa/plugins/volume/volume.c

@@ -24,6 +24,7 @@
 #include <spa/id-map.h>
 #include <spa/node.h>
 #include <spa/audio/format.h>
+#include <lib/props.h>
 
 typedef struct _SpaVolume SpaVolume;