diff options
Diffstat (limited to 'audiosettings.c')
| -rw-r--r-- | audiosettings.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/audiosettings.c b/audiosettings.c new file mode 100644 index 0000000..e5eb2c6 --- /dev/null +++ b/audiosettings.c @@ -0,0 +1,182 @@ +/****************************************************** + * + * audiosettings - get/set audio preferences from within Pd-patches + * Copyright (C) 2010 IOhannes m zmölnig + * + * forum::für::umläute + * + * institute of electronic music and acoustics (iem) + * university of music and dramatic arts, graz (kug) + * + * + ****************************************************** + * + * license: GNU General Public License v.3 or later + * + ******************************************************/ +#include "m_pd.h" +#include <stdio.h> + + +void sys_get_audio_apis(char*buf); + +#ifdef _WIN32 +/* we have to implement the not exported functions for w32... */ +#endif + + +static t_class *audiosettings_class; + + +typedef struct _as_apis { + t_symbol*name; + int id; + + struct _as_apis *next; +} t_as_apis; + + +t_as_apis*as_findapi(t_as_apis*apis, const t_symbol*name) { + while(apis) { + if(name==apis->name)return apis; + apis=apis->next; + } + return NULL; +} + +t_as_apis*as_addapi(t_as_apis*apis, t_symbol*name, int id, int overwrite) { + t_as_apis*api=as_findapi(apis, name); + + if(api) { + if(overwrite) { + api->name=name; + api->id =id; + } + return apis; + } + + api=(t_as_apis*)getbytes(sizeof(t_as_apis)); + api->name=name; + api->id=id; + api->next=apis; + + return api; +} + + + +t_as_apis*as_apiparse_42(t_as_apis*apis, const char*buf) { + t_as_apis*api=apis; + + int start=-1; + int stop =-1; + + unsigned int index=0; + int depth=0; + const char*s; + char substring[MAXPDSTRING]; + + for(index=0, s=buf; 0!=*s; s++, index++) { + if('{'==*s) { + start=index; + depth++; + } + if('}'==*s) { + depth--; + stop=index; + + if(start>=0 && start<stop) { + char apiname[MAXPDSTRING]; + int apiid; + int length=stop-start; + if(length>=MAXPDSTRING)length=MAXPDSTRING-1; + snprintf(substring, length, "%s", buf+start+1); + + if(2==sscanf(substring, "%s %d", apiname, &apiid)) { + apis=as_addapi(apis, gensym(apiname), apiid, 0); + } else { + post("unparseable: '%s'", substring); + } + } + start=-1; + stop=-1; + } + } + + return apis; +} + + +t_as_apis*as_apiparse(t_as_apis*apis, const char*buf) { + return as_apiparse_42(apis, buf); +} + +static t_as_apis*APIS=NULL; + +typedef struct _audiosettings +{ + t_object x_obj; + t_outlet*x_info; +} t_audiosettings; + + +static void audiosettings_listdevices(t_audiosettings *x, t_symbol *s) +{ + +} + +/* + */ +static void audiosettings_bang(t_audiosettings *x) +{ + + t_as_apis*api=NULL; + + for(api=APIS; api; api=api->next) { + t_atom ap[1]; + SETSYMBOL(ap, api->name); + outlet_anything(x->x_info, gensym("driver"), 1, ap); + } + +} + +static void audiosettings_free(t_audiosettings *x){ + +} + + +static void *audiosettings_new(void) +{ + t_audiosettings *x = (t_audiosettings *)pd_new(audiosettings_class); + x->x_info=outlet_new(&x->x_obj, 0); + + char buf[MAXPDSTRING]; + sys_get_audio_apis(buf); + + APIS=as_apiparse(APIS, buf); + + + + return (x); +} + + +void audiosettings_setup(void) +{ + post("audiosettings: audio settings manager"); + post(" Copyright (C) 2010 IOhannes m zmoelnig"); + post(" for the IntegraLive project"); + post(" institute of electronic music and acoustics (iem)"); + post(" published under the GNU General Public License version 3 or later"); +#ifdef AUDIOSETTINGS_VERSION + startpost(" version:"AUDIOSETTINGS_VERSION); +#endif + post("\tcompiled: "__DATE__""); + + audiosettings_class = class_new(gensym("audiosettings"), (t_newmethod)audiosettings_new, (t_method)audiosettings_free, + sizeof(t_audiosettings), 0, 0); + + class_addbang(audiosettings_class, (t_method)audiosettings_bang); + class_addmethod(audiosettings_class, (t_method)audiosettings_listdevices, gensym("listdevices"), A_GIMME); +} + |