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cmApBuf.h/c: Limit the meter update parameter (meterMs) to the range 10-1000.

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kevin 11 år sedan
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2 ändrade filer med 10 tillägg och 2 borttagningar
  1. 6
    1
      cmApBuf.c
  2. 4
    1
      cmApBuf.h

+ 6
- 1
cmApBuf.c Visa fil

@@ -215,7 +215,7 @@ cmAbRC_t cmApBufInitialize( unsigned devCnt, unsigned meterMs )
215 215
 
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   _cmApBuf.devArray        = cmMemAllocZ( cmApDev, devCnt );
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   _cmApBuf.devCnt          = devCnt;
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-  _cmApBuf.meterMs         = meterMs;
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+  cmApBufSetMeterMs(meterMs);
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   return kOkAbRC;
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 }
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@@ -451,6 +451,11 @@ cmAbRC_t cmApBufUpdate(
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 unsigned cmApBufMeterMs()
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 { return _cmApBuf.meterMs; }
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454
+void     cmApBufSetMeterMs( unsigned meterMs )
455
+{
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+  _cmApBuf.meterMs = cmMin(1000,cmMax(10,meterMs));
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+}
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+
454 459
 unsigned cmApBufChannelCount( unsigned devIdx, unsigned flags )
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 {
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   if( devIdx == cmInvalidIdx )

+ 4
- 1
cmApBuf.h Visa fil

@@ -46,7 +46,7 @@ extern "C" {
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   /// Allocate and initialize an audio buffer.
48 48
   /// devCnt - count of devices this buffer will handle.
49
-  /// meterMs - length of the meter buffers in milliseconds
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+  /// meterMs - length of the meter buffers in milliseconds (automatically limit to the range:10 to 1000)
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   cmAbRC_t cmApBufInitialize( unsigned devCnt, unsigned meterMs );
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   /// Deallocate and release any resource held by an audio buffer allocated via cmApBufInitialize().
@@ -106,6 +106,9 @@ extern "C" {
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   /// Return the meter window period as set by cmApBufInitialize()
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   unsigned cmApBufMeterMs();
109
+  
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+  // Set the meter update period. THis function limits the value to between 10 and 1000.
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+  void     cmApBufSetMeterMs( unsigned meterMs );
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   /// Returns the channel count set via cmApBufSetup().
111 114
   unsigned cmApBufChannelCount( unsigned devIdx, unsigned flags );

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