fix stuttering if datatransfer is chunked

fix stuttering if big chunksize
e.g. https://fffutu.re:443/Kiev , chunksize is about 16KBytes

src/Audio.h

@@ -2,7 +2,7 @@
  * Audio.h
  *
  *  Created on: Oct 28,2018
- *  Updated on: Aug 17,2022
+ *  Updated on: Aug 21,2022
  *      Author: Wolle (schreibfaul1)
  */
 
@@ -222,7 +222,6 @@ private:
     void processWebStreamTS();
     void processWebStreamHLS();
     void playAudioData();
-    size_t chunkedDataTransfer(uint8_t* bytes);
     bool readPlayListData();
     const char* parsePlaylist_M3U();
     const char* parsePlaylist_PLS();
@@ -256,7 +255,6 @@ private:
     bool parseContentType(char* ct);
     bool parseHttpResponseHeader();
     bool initializeDecoder();
-    uint16_t readMetadata(uint16_t b, bool first = false);
     esp_err_t I2Sstart(uint8_t i2s_num);
     esp_err_t I2Sstop(uint8_t i2s_num);
     void urlencode(char* buff, uint16_t buffLen, bool spacesOnly = false);
@@ -269,7 +267,13 @@ private:
     void IIR_calculateCoefficients(int8_t G1, int8_t G2, int8_t G3);
     bool ts_parsePacket(uint8_t* packet, uint8_t* packetStart, uint8_t* packetLength);
 
-    // implement several function with respect to the index of string
+//+++ W E B S T R E A M  -  H E L P   F U N C T I O N S +++
+    uint16_t readMetadata(uint16_t b, bool first = false);
+    size_t   chunkedDataTransfer(uint8_t* bytes);
+    bool     readID3V1Tag();
+    void     slowStreamDetection(uint32_t inBuffFilled, uint32_t maxFrameSize);
+
+//++++ implement several function with respect to the index of string ++++
     void trim(char *s) {
     //fb   trim in place
         char *pe;
@@ -361,6 +365,8 @@ private:
         }
         return result;
     }
+
+    // some other functions
     size_t bigEndian(uint8_t* base, uint8_t numBytes, uint8_t shiftLeft = 8){
         size_t result = 0;
         if(numBytes < 1 or numBytes > 4) return 0;
@@ -457,7 +463,7 @@ private:
     std::vector<char*>    m_playlistURL;     // m3u8 streamURLs buffer
     std::vector<uint32_t> m_hashQueue;
 
-    const size_t    m_frameSizeWav  = 1600;
+    const size_t    m_frameSizeWav  = 1024 * 8;
     const size_t    m_frameSizeMP3  = 1600;
     const size_t    m_frameSizeAAC  = 1600;
     const size_t    m_frameSizeFLAC = 4096 * 4;