src/usr.bin/aucat/dev.h - diff

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Diff for /src/usr.bin/aucat/Attic/dev.h between version 1.23 and 1.24

-version 1.23, 2010/05/08 15:35:45
+version 1.24, 2010/06/04 06:15:28
 Line 21
 Line 21
 Line 21
  struct aparams;
  struct abuf;
- extern unsigned dev_reqprime;
+ struct dev {
- extern unsigned dev_bufsz, dev_round, dev_rate;
+         struct dev *next;
- extern struct aparams dev_ipar, dev_opar;
- extern struct aproc *dev_mix, *dev_sub, *dev_midi, *dev_submon, *dev_mon;
- int dev_run(void);
+         /*
- int dev_open(void);
+          * desired parameters
- void dev_close(void);
+          */
- int dev_ref(void);
+         unsigned reqmode;                       /* mode */
- void dev_unref(void);
+         struct aparams reqipar, reqopar;        /* parameters */
- void dev_done(void);
+         unsigned reqbufsz;                      /* buffer size */
- void dev_wakeup(void);
+         unsigned reqround;                      /* block size */
- void dev_init_thru(void);
+         unsigned reqrate;                       /* sample rate */
- void dev_init_loop(struct aparams *, struct aparams *, unsigned);
+         unsigned prime;                         /* prime play buffer? */
- void dev_init_sio(char *, unsigned,
+         unsigned hold;                          /* hold the device open ? */
-     struct aparams *, struct aparams *, unsigned, unsigned);
+         unsigned refcnt;                        /* number of openers */
- int  dev_thruadd(char *, int, int);
+ #define DEV_CLOSED      0                       /* closed */
- void dev_midiattach(struct abuf *, struct abuf *);
+ #define DEV_INIT        1                       /* stopped */
- unsigned dev_roundof(unsigned);
+ #define DEV_START       2                       /* ready to start */
- int dev_getpos(void);
+ #define DEV_RUN         3                       /* started */
- void dev_attach(char *, unsigned,
+         unsigned pstate;                        /* on of DEV_xxx */
+         char *path;                             /* sio path */
+         /*
+          * actual parameters and runtime state (i.e. once opened)
+          */
+         unsigned mode;                          /* bitmap of MODE_xxx */
+         unsigned bufsz, round, rate;
+         struct aparams ipar, opar;
+         struct aproc *mix, *sub, *submon;
+         struct aproc *rec, *play, *mon;
+         struct aproc *midi;
+ };
+ extern struct dev *dev_list;
+ int  dev_run(struct dev *);
+ int  dev_ref(struct dev *);
+ void dev_unref(struct dev *);
+ void dev_del(struct dev *);
+ void dev_wakeup(struct dev *);
+ struct dev *dev_new_thru(void);
+ struct dev *dev_new_loop(struct aparams *, struct aparams *, unsigned);
+ struct dev *dev_new_sio(char *, unsigned,
+     struct aparams *, struct aparams *, unsigned, unsigned,
+     unsigned, unsigned);
+ int  dev_thruadd(struct dev *, char *, int, int);
+ void dev_midiattach(struct dev *, struct abuf *, struct abuf *);
+ unsigned dev_roundof(struct dev *, unsigned);
+ int dev_getpos(struct dev *);
+ void dev_attach(struct dev *, char *, unsigned,
      struct abuf *, struct aparams *, unsigned,
      struct abuf *, struct aparams *, unsigned,
      unsigned, int);
- void dev_setvol(struct abuf *, int);
+ void dev_setvol(struct dev *, struct abuf *, int);
  #endif /* !define(DEV_H) */