Added fix for invalid input buffer size error

Author: syedhali

EZAudio/EZAudioFloatConverter.m

@@ -58,9 +58,12 @@ OSStatus EZAudioFloatConverterCallback(AudioConverterRef             inAudioConv
                                        void                         *inUserData)
 {
     AudioBufferList *sourceBuffer = (AudioBufferList *)inUserData;
+    
     memcpy(ioData,
            sourceBuffer,
            sizeof(AudioBufferList) + (sourceBuffer->mNumberBuffers - 1) * sizeof(AudioBuffer));
+    sourceBuffer = NULL;
+    
     return noErr;
 }
 
@@ -197,19 +200,31 @@ - (void)convertDataFromAudioBufferList:(AudioBufferList *)audioBufferList
                         toFloatBuffers:(float **)buffers
                     packetDescriptions:(AudioStreamPacketDescription *)packetDescriptions
 {
-    if (frames == 0)
+    if (frames != 0)
     {
+        //
+        // Make sure the data size coming in is consistent with the number
+        // of frames we're actually getting
+        //
+        for (int i = 0; i < audioBufferList->mNumberBuffers; i++) {
+            audioBufferList->mBuffers[i].mDataByteSize = frames * self.info->inputFormat.mBytesPerFrame;
+        }
 
-    }
-    else
-    {
+        //
+        // Fill out the audio converter with the source buffer
+        //
         [EZAudioUtilities checkResult:AudioConverterFillComplexBuffer(self.info->converterRef,
                                                                       EZAudioFloatConverterCallback,
                                                                       audioBufferList,
                                                                       &frames,
                                                                       self.info->floatAudioBufferList,
                                                                       packetDescriptions ? packetDescriptions : self.info->packetDescriptions)
                             operation:"Failed to fill complex buffer in float converter"];
+        
+        //
+        // Copy the converted buffers into the float buffer array stored
+        // in memory
+        //
         for (int i = 0; i < self.info->floatAudioBufferList->mNumberBuffers; i++)
         {
             memcpy(buffers[i],