apps/plugins/pdbox/PDa/src/s_stuff.h

   1 /* Copyright (c) 1997-1999 Miller Puckette.
   2 * For information on usage and redistribution, and for a DISCLAIMER OF ALL
   3 * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
   4
   5 /* Audio and MIDI I/O, and other scheduling and system stuff. */
   6
   7 /* NOTE: this file describes Pd implementation details which may change
   8 in future releases.  The public (stable) API is in m_pd.h. */
   9
  10 /* in s_file.c */
  11 typedef struct _namelist
  12 {
  13     struct _namelist *nl_next;
  14     char *nl_string;
  15 } t_namelist;
  16
  17 t_namelist *namelist_append(t_namelist *listwas, const char *s);
  18 void namelist_free(t_namelist *listwas);
  19
  20 /* s_main.c */
  21 extern int sys_debuglevel;
  22 extern int sys_verbose;
  23 extern int sys_noloadbang;
  24 extern int sys_nogui;
  25 extern char *sys_guicmd;
  26
  27 EXTERN int sys_nearestfontsize(int fontsize);
  28 EXTERN int sys_hostfontsize(int fontsize);
  29
  30 extern int sys_defaultfont;
  31 extern t_symbol *sys_libdir;    /* library directory for auxilliary files */
  32
  33 /* s_loader.c */
  34 int sys_load_lib(char *dirname, char *filename);
  35
  36 /* s_audio.c */
  37
  38 #define SENDDACS_NO 0           /* return values for sys_send_dacs() */
  39 #define SENDDACS_YES 1
  40 #define SENDDACS_SLEPT 2
  41
  42 #define DEFDACBLKSIZE 64
  43 extern int sys_schedblocksize;  /* audio block size for scheduler */
  44 extern int sys_hipriority;      /* real-time flag, true if priority boosted */
  45 extern t_sample *sys_soundout;
  46 extern t_sample *sys_soundin;
  47 extern int sys_inchannels;
  48 extern int sys_outchannels;
  49 extern int sys_advance_samples; /* scheduler advance in samples */
  50 extern int sys_blocksize;       /* audio I/O block size in sample frames */
  51 extern float sys_dacsr;
  52 extern int sys_schedadvance;
  53 extern int sys_sleepgrain;
  54 void sys_open_audio(int naudioindev, int *audioindev,
  55     int nchindev, int *chindev,
  56     int naudiooutdev, int *audiooutdev, int nchoutdev, int *choutdev,
  57     int srate, int advance, int enable);
  58 void sys_close_audio(void);
  59
  60     /* s_midi.c */
  61 void sys_open_midi(int nmidiin, int *midiinvec, int nmidiout, int *midioutvec);
  62
  63     /* implemented in the system dependent MIDI code (s_midi_pm.c, etc. ) */
  64 void sys_do_open_midi(int nmidiin, int *midiinvec,
  65     int nmidiout, int *midioutvec);
  66 void sys_close_midi(void);
  67 void midi_getdevs(char *indevlist, int *nindevs,
  68     char *outdevlist, int *noutdevs, int maxndev, int devdescsize);
  69
  70 int sys_send_dacs(void);
  71 void sys_reportidle(void);
  72 void sys_set_priority(int higher);
  73 void sys_audiobuf(int nbufs);
  74 void sys_getmeters(float *inmax, float *outmax);
  75 void sys_listdevs(void);
  76 void sys_setblocksize(int n);
  77
  78 /* s_midi.c */
  79 #define MAXMIDIINDEV 16         /* max. number of input ports */
  80 #define MAXMIDIOUTDEV 16        /* max. number of output ports */
  81 extern int sys_nmidiin;
  82 extern int sys_nmidiout;
  83 extern int sys_midiindevlist[];
  84 extern int sys_midioutdevlist[];
  85
  86 EXTERN void sys_putmidimess(int portno, int a, int b, int c);
  87 EXTERN void sys_putmidibyte(int portno, int a);
  88 EXTERN void sys_poll_midi(void);
  89 EXTERN void sys_setmiditimediff(double inbuftime, double outbuftime);
  90 EXTERN void sys_midibytein(int portno, int byte);
  91
  92 /* m_sched.c */
  93 EXTERN void sys_log_error(int type);
  94 #define ERR_NOTHING 0
  95 #define ERR_ADCSLEPT 1
  96 #define ERR_DACSLEPT 2
  97 #define ERR_RESYNC 3
  98 #define ERR_DATALATE 4
  99 void sched_set_using_dacs(int flag);
 100
 101 /* s_inter.c */
 102
 103 EXTERN void sys_microsleep(int microsec);
 104
 105 EXTERN void sys_bail(int exitcode);
 106 EXTERN int sys_pollgui(void);
 107
 108 EXTERN_STRUCT _socketreceiver;
 109 #define t_socketreceiver struct _socketreceiver
 110
 111 typedef void (*t_socketnotifier)(void *x);
 112 typedef void (*t_socketreceivefn)(void *x, t_binbuf *b);
 113
 114 EXTERN t_socketreceiver *socketreceiver_new(void *owner,
 115     t_socketnotifier notifier, t_socketreceivefn socketreceivefn, int udp);
 116 EXTERN void socketreceiver_read(t_socketreceiver *x, int fd);
 117 EXTERN void sys_sockerror(char *s);
 118 EXTERN void sys_closesocket(int fd);
 119
 120 typedef void (*t_fdpollfn)(void *ptr, int fd);
 121 EXTERN void sys_addpollfn(int fd, t_fdpollfn fn, void *ptr);
 122 EXTERN void sys_rmpollfn(int fd);
 123 #ifdef UNIX
 124 void sys_setalarm(int microsec);
 125 void sys_setvirtualalarm( void);
 126 #endif
 127
 128 #define API_ALSA 1
 129 #define API_OSS 2
 130 #define API_MMIO 3
 131 #define API_PORTAUDIO 4
 132 #define API_JACK 5
 133 #define API_ROCKBOX 6
 134
 135 #if defined(__linux__) && !defined(ROCKBOX)
 136 #define API_DEFAULT API_OSS
 137 #define API_DEFSTRING "OSS"
 138 #endif
 139 #ifdef MSW
 140 #define API_DEFAULT API_MMIO
 141 #define API_DEFSTRING "MMIO"
 142 #endif
 143 #ifdef MACOSX
 144 #define API_DEFAULT API_PORTAUDIO
 145 #define API_DEFSTRING "portaudio"
 146 #endif
 147 #ifdef ROCKBOX
 148 #define API_DEFAULT API_ROCKBOX
 149 #define API_DEFSTRING "Rockbox"
 150 #endif
 151 #define DEFAULTAUDIODEV 0
 152
 153 #define MAXAUDIOINDEV 4
 154 #define MAXAUDIOOUTDEV 4
 155
 156 #define DEFMIDIDEV 0
 157
 158 #define DEFAULTSRATE 44100
 159 #ifdef MSW
 160 #define DEFAULTADVANCE 70
 161 #else
 162 #define DEFAULTADVANCE 50
 163 #endif
 164
 165 int pa_open_audio(int inchans, int outchans, int rate, t_sample *soundin,
 166     t_sample *soundout, int framesperbuf, int nbuffers,
 167     int indeviceno, int outdeviceno);
 168 void pa_close_audio(void);
 169 int pa_send_dacs(void);
 170 void sys_reportidle(void);
 171 void pa_listdevs(void);
 172 void pa_getdevs(char *indevlist, int *nindevs,
 173     char *outdevlist, int *noutdevs, int *canmulti,
 174         int maxndev, int devdescsize);
 175
 176 int oss_open_audio(int naudioindev, int *audioindev, int nchindev,
 177     int *chindev, int naudiooutdev, int *audiooutdev, int nchoutdev,
 178     int *choutdev, int rate); /* IOhannes */
 179 void oss_close_audio(void);
 180 int oss_send_dacs(void);
 181 void oss_reportidle(void);
 182 void oss_getdevs(char *indevlist, int *nindevs,
 183     char *outdevlist, int *noutdevs, int *canmulti,
 184         int maxndev, int devdescsize);
 185
 186 int alsa_open_audio(int naudioindev, int *audioindev, int nchindev,
 187     int *chindev, int naudiooutdev, int *audiooutdev, int nchoutdev,
 188     int *choutdev, int rate);
 189 void alsa_close_audio(void);
 190 int alsa_send_dacs(void);
 191 void alsa_reportidle(void);
 192 void alsa_getdevs(char *indevlist, int *nindevs,
 193     char *outdevlist, int *noutdevs, int *canmulti,
 194         int maxndev, int devdescsize);
 195
 196 int jack_open_audio(int wantinchans, int wantoutchans, int srate);
 197 void jack_close_audio(void);
 198 int jack_send_dacs(void);
 199 void jack_reportidle(void);
 200 void jack_listdevs(void);
 201
 202 void mmio_open_audio(int naudioindev, int *audioindev,
 203     int nchindev, int *chindev, int naudiooutdev, int *audiooutdev,
 204     int nchoutdev, int *choutdev, int rate);
 205 void mmio_close_audio( void);
 206 void mmio_reportidle(void);
 207 int mmio_send_dacs(void);
 208 void mmio_getdevs(char *indevlist, int *nindevs,
 209     char *outdevlist, int *noutdevs, int *canmulti,
 210         int maxndev, int devdescsize);
 211
 212 void rockbox_open_audio(int rate);
 213 void rockbox_close_audio(void);
 214 int  rockbox_send_dacs(void);
 215 void rockbox_getdevs(void);
 216
 217 void sys_listmididevs(void);
 218 void sys_set_audio_api(int whichapi);
 219 void sys_get_audio_apis(char *buf);
 220 extern int sys_audioapi;
 221 void sys_set_audio_state(int onoff);
 222
 223 /* API dependent audio flags and settings */
 224 void oss_set32bit( void);
 225 void linux_alsa_devname(char *devname);
 226