AAC & MP3 infoCallback on channel change

Author: pschatzmann

src/AACDecoderHelix.h

@@ -135,8 +135,8 @@ class AACDecoderHelix : public CommonHelix {
                     p_caller_data);
       } else {
         // output to stream
-        if (info.sampRateOut != aacFrameInfo.sampRateOut &&
-            infoCallback != nullptr) {
+        if (infoCallback != nullptr
+        && (info.sampRateOut != aacFrameInfo.sampRateOut || info.nChans != aacFrameInfo.nChans)) {
           infoCallback(info, p_caller_ref);
         }
 #if defined(ARDUINO) || defined(HELIX_PRINT)

src/MP3DecoderHelix.h

@@ -143,8 +143,8 @@ class MP3DecoderHelix : public CommonHelix {
                     p_caller_data);
       } else {
         // output to stream
-        if ((info.samprate != mp3FrameInfo.samprate || info.nChans != mp3FrameInfo.nChans) 
-        && infoCallback != nullptr) {
+        if (infoCallback != nullptr
+        && (info.samprate != mp3FrameInfo.samprate || info.nChans != mp3FrameInfo.nChans)) {
           infoCallback(info, p_caller_ref);
         }
 #if defined(ARDUINO) || defined(HELIX_PRINT)