AudioSourceIdx*: add setCreateIndex(bool)

Author: pschatzmann

src/AudioTools/Disk/AudioSourceIdxSD.h

@@ -126,6 +126,11 @@ class AudioSourceIdxSD : public AudioSource {
     return idx[pos];
   }
 
+  /// Defines whether the index should be rebuild on begin
+  void setCreateIndex(bool rebuild) {
+    setup_index = rebuild;
+  }
+
 protected:
 #if defined(USE_SD_NO_NS) 
   SDIndex<SDClass, File> idx{SD};

src/AudioTools/Disk/AudioSourceIdxSDFAT.h

@@ -150,6 +150,11 @@ class AudioSourceIdxSDFAT : public AudioSource {
     return idx[pos];
   }
 
+  /// Defines whether the index should be rebuild on begin
+  void setCreateIndex(bool rebuild) {
+    setup_index = rebuild;
+  }
+
  protected:
   SdSpiConfig *p_cfg = nullptr;
   AudioFs sd;

src/AudioTools/Disk/AudioSourceIdxSDMMC.h

@@ -110,6 +110,11 @@ class AudioSourceIdxSDMMC : public AudioSource {
     return idx[pos];
   }
 
+  /// Defines whether the index should be rebuild on begin
+  void setCreateIndex(bool rebuild) {
+    setup_index = rebuild;
+  }
+
 protected:
   SDIndex<fs::SDMMCFS,fs::File> idx{SD_MMC};
   File file;