AudioPlayer: add resizeCopier()

Author: pschatzmann

src/AudioTools/CoreAudio/AudioPlayer.h

@@ -355,11 +355,12 @@ class AudioPlayer : public AudioInfoSupport, public VolumeSupport {
   /// Defines the wait time in ms if the target output is full
   virtual void setDelayIfOutputFull(int delayMs) { delay_if_full = delayMs; }
 
+  /// Copies DEFAULT_BUFFER_SIZE (=1024 bytes) from the source to the decoder: Call this method in the loop.
   virtual size_t copy() {
     return copy(copier.bufferSize());
   }
 
-  /// Call this method in the loop.
+  /// Copies the indicated number of bytes from the source to the decoder: Call this method in the loop.
   virtual size_t copy(size_t bytes) {
     size_t result = 0;
     if (active) {
@@ -456,6 +457,11 @@ class AudioPlayer : public AudioInfoSupport, public VolumeSupport {
     meta_out.resize(size);
   }
 
+  /// Redefines the default copy size
+  void resizeCopier(int size){
+    copier.resize(size);
+  }
+
 protected:
   bool active = false;
   bool autonext = true;