workbench/devs/AHI/Device/misc.h

   1 /*
   2      AHI - Hardware independent audio subsystem
   3      Copyright (C) 1996-2005 Martin Blom <martin@blom.org>
   4
   5      This library is free software; you can redistribute it and/or
   6      modify it under the terms of the GNU Library General Public
   7      License as published by the Free Software Foundation; either
   8      version 2 of the License, or (at your option) any later version.
   9
  10      This library is distributed in the hope that it will be useful,
  11      but WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      Library General Public License for more details.
  14
  15      You should have received a copy of the GNU Library General Public
  16      License along with this library; if not, write to the
  17      Free Software Foundation, Inc., 59 Temple Place - Suite 330, Cambridge,
  18      MA 02139, USA.
  19 */
  20
  21 #ifndef ahi_misc_h
  22 #define ahi_misc_h
  23
  24 #include <config.h>
  25
  26 #include <exec/lists.h>
  27 #include <exec/nodes.h>
  28
  29 #include <stddef.h>
  30
  31 #include "ahi_def.h"
  32
  33
  34 struct Node *
  35 FindNode ( struct List *list,
  36            struct Node *node );
  37
  38 int
  39 Fixed2Shift( Fixed f );
  40
  41 void
  42 ReqA( const char* text, APTR args );
  43
  44 #define Req(a0, args...) \
  45         ({IPTR _args[] = { args }; ReqA((a0), (APTR)_args);})
  46
  47 char*
  48 SprintfA( char *dst, const char *fmt, IPTR* args );
  49
  50 #define Sprintf(a0, a1, args...) \
  51         ({IPTR _args[] = { args }; SprintfA((a0), (a1), (IPTR*)_args);})
  52
  53
  54
  55 void
  56 AHIInitSemaphore( struct SignalSemaphore* ss );
  57
  58 void
  59 AHIObtainSemaphore( struct SignalSemaphore* ss );
  60
  61 void
  62 AHIReleaseSemaphore( struct SignalSemaphore* ss );
  63
  64 LONG
  65 AHIAttemptSemaphore( struct SignalSemaphore* ss );
  66
  67
  68
  69 APTR
  70 AHIAllocVec( ULONG byteSize,
  71              ULONG requirements );
  72
  73 void
  74 AHIFreeVec( APTR memoryBlock );
  75
  76 void*
  77 AHILoadObject( const char* objname );
  78
  79 void
  80 AHIUnloadObject( void* obj );
  81
  82 BOOL
  83 AHIGetELFSymbol( const char* name,
  84                  void** ptr );
  85
  86
  87 #if !defined( WORDS_BIGENDIAN )
  88 void EndianSwap( size_t size, void* data );
  89 #else
  90 # define EndianSwap(s, x)
  91 #endif
  92
  93 BOOL
  94 PreTimerFunc( struct Hook*             hook,
  95               struct AHIPrivAudioCtrl* audioctrl,
  96               void*                    null );
  97
  98 void
  99 PostTimerFunc( struct Hook*             hook,
 100                struct AHIPrivAudioCtrl* audioctrl,
 101                void*                    null );
 102
 103 BOOL
 104 PreTimer( struct AHIPrivAudioCtrl* audioctrl );
 105
 106 void
 107 PostTimer( struct AHIPrivAudioCtrl* audioctrl );
 108
 109 #endif /* ahi_misc_h */