cmAudioSys.h/c and cmAudioSysMsg.h: Added several kAsDfltXXX values. cmAudioSysSsInitMsg_t now includes srate and dspFramesPerCycle.

cmAudioSys.c

@@ -21,7 +21,6 @@
 
 #include "cmMath.h"
 
-#include <unistd.h>  // usleep
 
 cmAudioSysH_t cmAudioSysNullHandle = { NULL };
 
@@ -135,6 +134,8 @@ cmAsRC_t _cmAsHostInitNotify( cmAs_t* p )
     m.asSubCnt          = p->ssCnt;
     m.inDevIdx          = cp->ss.args.inDevIdx;
     m.outDevIdx         = cp->ss.args.outDevIdx;
+    m.dspFramesPerCycle = cp->ss.args.dspFramesPerCycle;
+    m.srate             = cp->ss.args.srate;
     m.inChCnt           = cp->status.iMeterCnt;
     m.outChCnt          = cp->status.oMeterCnt;
     
@@ -610,7 +611,7 @@ cmAsRC_t _cmAudioSysFinalize( cmAs_t* p )
       // cond variable from _cmAsAudioUpdate() otherwise the system may crash
 
       while( cp->audCbLock != 0 )
-      { usleep(100000); }
+      { cmSleepUs(100000); }
 
       // signal the cond var to cause the thread to run
       if((rc = cmThreadMutexSignalCondVar(cp->engMutexH)) != kOkThRC )

cmAudioSys.h

@@ -89,7 +89,9 @@ extern "C" {
     kAsDfltBufCnt            = 3,
     kAsDfltSrate             = 44100,
     kAsDfltSyncToInputFl     = 1,
-    kAsDfltMeterMs           = 50
+    kAsDfltMinMeterMs        = 10,
+    kAsDfltMeterMs           = 50,
+    kAsDfltMaxMeterMs        = 1000
   };
 
   typedef cmHandle_t cmAudioSysH_t;  //< Audio system handle type

cmAudioSysMsg.h

@@ -81,6 +81,8 @@ extern "C" {
     unsigned asSubCnt;  ///< count of sub-systems
     unsigned inDevIdx;  ///< input device index
     unsigned outDevIdx; ///< output device index
+    unsigned dspFramesPerCycle;
+    double   srate;
     unsigned inChCnt;   ///< input device channel count
     unsigned outChCnt;  ///< outut device channel count
   } cmAudioSysSsInitMsg_t;