linux/alsa/hardware.h

   1 /*
   2    Copyright (C) 2001 Paul Davis
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18    $Id: hardware.h,v 1.3 2005/11/23 11:24:29 letz Exp $
  19 */
  20
  21 #ifndef __jack_hardware_h__
  22 #define __jack_hardware_h__
  23
  24 #include "types.h"
  25
  26 typedef enum {
  27     AutoSync,
  28     WordClock,
  29     ClockMaster
  30 } SampleClockMode;
  31
  32 typedef enum {
  33     Cap_HardwareMonitoring = 0x1,
  34     Cap_AutoSync = 0x2,
  35     Cap_WordClock = 0x4,
  36     Cap_ClockMaster = 0x8,
  37     Cap_ClockLockReporting = 0x10,
  38     Cap_HardwareMetering = 0x20
  39 } Capabilities;
  40
  41 struct _jack_hardware;
  42
  43 typedef void (*JackHardwareReleaseFunction)(struct _jack_hardware *);
  44 typedef int (*JackHardwareSetInputMonitorMaskFunction)(struct _jack_hardware *, unsigned long);
  45 typedef int (*JackHardwareChangeSampleClockFunction)(struct _jack_hardware *, SampleClockMode);
  46 typedef double (*JackHardwareGetHardwarePeak)(jack_port_t *port, jack_nframes_t frames);
  47 typedef double (*JackHardwareGetHardwarePower)(jack_port_t *port, jack_nframes_t frames);
  48
  49 typedef struct _jack_hardware
  50 {
  51     unsigned long capabilities;
  52     unsigned long input_monitor_mask;
  53
  54     JackHardwareChangeSampleClockFunction change_sample_clock;
  55     JackHardwareSetInputMonitorMaskFunction set_input_monitor_mask;
  56     JackHardwareReleaseFunction release;
  57     JackHardwareGetHardwarePeak get_hardware_peak;
  58     JackHardwareGetHardwarePower get_hardware_power;
  59     void *private_hw;
  60 }
  61 jack_hardware_t;
  62
  63 #ifdef __cplusplus
  64 extern "C"
  65 {
  66 #endif
  67
  68     jack_hardware_t * jack_hardware_new ();
  69
  70 #ifdef __cplusplus
  71 }
  72 #endif
  73
  74
  75 #endif /* __jack_hardware_h__ */