cwIo : added audioGroupDeviceCount(),audioGroupDeviceIndex(),audioDeviceLabel(),audioDeviceUserId()

cwIo.cpp

@@ -1081,7 +1081,7 @@ namespace cw
         
     }
 
-    // This function is called by the audio device drivers to when incoming audio arrives
+    // This function is called by the audio device drivers when incoming audio arrives
     // or when there is available space to write outgoing audio.
     // If all in/out devices in a group are ready to be source/sink audio data then this function
     // triggers the group thread condition var thereby causing an application callback
@@ -2078,6 +2078,17 @@ unsigned    cw::io::audioDeviceLabelToIndex(   handle_t h, const char* label )
   return kInvalidIdx;
 }
 
+const char* cw::io::audioDeviceLabel( handle_t h, unsigned devIdx )
+{
+  io_t*       p = _handleToPtr(h);
+  audioDev_t* ad;
+  
+  if((ad = _audioDeviceIndexToRecd(p,devIdx)) != nullptr )
+    return ad->label;
+
+  return nullptr;
+}
+
 cw::rc_t  cw::io::audioDeviceSetUserId( handle_t h, unsigned devIdx, unsigned userId )
 {
   io_t*       p = _handleToPtr(h);
@@ -2119,6 +2130,18 @@ const char* cw::io::audioDeviceName( handle_t h, unsigned devIdx )
   return ad->devName;  
 }
 
+unsigned   cw::io::audioDeviceUserId( handle_t h, unsigned devIdx )
+{
+  io_t*       p = _handleToPtr(h);
+  audioDev_t* ad;
+  
+  if((ad = _audioDeviceIndexToRecd(p, devIdx )) == nullptr )
+    return kInvalidId;
+
+  return ad->userId;    
+}
+
+
 double cw::io::audioDeviceSampleRate( handle_t h, unsigned devIdx )
 {
   io_t* p = _handleToPtr(h);
@@ -2397,6 +2420,47 @@ unsigned cw::io::audioGroupDspFrameCount( handle_t h, unsigned groupIdx )
   return 0;
 }
 
+unsigned cw::io::audioGroupDeviceCount( handle_t h, unsigned groupIdx, unsigned inOrOutFl )
+{
+  audioGroup_t* ag;
+  io_t*         p = _handleToPtr(h);
+  unsigned      n = 0;
+  
+  if((ag = _audioGroupFromIndex( p, groupIdx )) != nullptr )
+  {
+    audio_group_dev_t* agd = cwIsFlag(inOrOutFl,kInFl) ? ag->msg.iDevL : ag->msg.oDevL;
+    for(; agd!=nullptr; agd=agd->link)
+      ++n;
+  }
+  
+  return n;  
+}
+
+unsigned cw::io::audioGroupDeviceIndex( handle_t h, unsigned groupIdx, unsigned inOrOutFl, unsigned groupDevIdx )
+{
+  audioGroup_t* ag;
+  io_t*         p = _handleToPtr(h);
+  unsigned      n = 0;
+  
+  if((ag = _audioGroupFromIndex( p, groupIdx )) != nullptr )
+  {
+    audio_group_dev_t* agd = cwIsFlag(inOrOutFl,kInFl) ? ag->msg.iDevL : ag->msg.oDevL;
+    
+    for(; agd!=nullptr; agd=agd->link)
+    {
+      if( n == groupDevIdx )
+        return agd->devIdx;
+      ++n;
+    }
+  }
+
+  cwLogError(kInvalidIdRC,"The audio group device index '%i' could found on group index: '%i' .",groupDevIdx,groupIdx);
+
+              
+  return kInvalidIdx;    
+}
+
+
 //----------------------------------------------------------------------------------------------------------
 //
 // Socket

cwIo.h

@@ -82,12 +82,12 @@ namespace cw
       double             srate;         // Group sample rate.
       unsigned           dspFrameCnt;   // Count of samples in each buffer pointed to by iBufArray[] and oBufArray[]
       
-      sample_t**         iBufArray;     // Array of iBufChCnt ptrs to buffers of size bufSmpCnt
+      sample_t**         iBufArray;     // iBufArray[iBufChCnt] Array ptrs to buffers of size dspFrameCnt
       unsigned           iBufChCnt;     // Count of elements in iBufArray[]
       time::spec_t*      iTimeStampPtr; // 
       audio_group_dev_t* iDevL;         // Linked list of input devices which map directly to channels in iBufArray[]
       
-      sample_t**         oBufArray;     //
+      sample_t**         oBufArray;     // oBufArray[oBufChCnt] Array of ptrs to buffers of size dspFrameCnt
       unsigned           oBufChCnt;     //
       time::spec_t*      oTimeStampPtr; //
       audio_group_dev_t* oDevL;         // Linked list of output devices which map directly to channels in oBufArray[]
@@ -178,7 +178,7 @@ namespace cw
     unsigned    serialDeviceCount( handle_t h );
     unsigned    serialDeviceIndex( handle_t h, const char* label );
     const char* serialDeviceLabel( handle_t h, unsigned devIdx );
-    unsigned    serialDeviceId(    handle_t h, unsigned devIdx );
+    unsigned    serialDeviceId(    handle_t h, unsigned devIdx );  // defaults to device index
     void        serialDeviceSetId( handle_t h, unsigned devIdx, unsigned id );
     
     rc_t        serialDeviceSend(  handle_t h, unsigned devIdx, const void* byteA, unsigned byteN );
@@ -204,9 +204,11 @@ namespace cw
     
     unsigned        audioDeviceCount(          handle_t h );
     unsigned        audioDeviceLabelToIndex(   handle_t h, const char* label );
+    const char*     audioDeviceLabel(          handle_t h, unsigned devIdx );
     rc_t            audioDeviceSetUserId(      handle_t h, unsigned devIdx, unsigned userId );
     bool            audioDeviceIsEnabled(      handle_t h, unsigned devIdx );
     const char*     audioDeviceName(           handle_t h, unsigned devIdx );
+    unsigned        audioDeviceUserId(         handle_t h, unsigned devIdx );
     double          audioDeviceSampleRate(     handle_t h, unsigned devIdx );
     unsigned        audioDeviceFramesPerCycle( handle_t h, unsigned devIdx );
     unsigned        audioDeviceChannelCount(   handle_t h, unsigned devIdx, unsigned inOrOutFlag );
@@ -228,6 +230,12 @@ namespace cw
     double          audioGroupSampleRate(    handle_t h, unsigned groupIdx );
     unsigned        audioGroupDspFrameCount( handle_t h, unsigned groupIdx );
 
+    // Get the count of in or out devices assigned to this group.
+    unsigned        audioGroupDeviceCount(   handle_t h, unsigned groupIdx, unsigned inOrOutFl );
+
+    // Get the device index of each of the devices assigned to this group
+    unsigned        audioGroupDeviceIndex(   handle_t h, unsigned groupIdx, unsigned inOrOutFl, unsigned groupDeviceIdx );
+    
     //----------------------------------------------------------------------------------------------------------
     //
     // Socket