- work to improve the decoding process - many problems fixes + however there are problems yet

src/engine/audio/Audio_DataWindow.cpp

@@ -11,7 +11,7 @@ using namespace Audio;
 DataWindow::DataWindow()
 {
     mFilled = 0;
-    mData = NULL;
+    mData = nullptr;
     mCapacity = 0;
 }
 
@@ -166,6 +166,25 @@ void DataWindow::zero(int length)
     memset(mData, 0, mFilled);
 }
 
+size_t DataWindow::moveTo(DataWindow& dst, size_t size)
+{
+    Lock l(mMutex);
+
+    size_t avail = std::min(size, (size_t)filled());
+    if (avail != 0)
+    {
+        dst.add(mData, avail);
+        erase(avail);
+    }
+    return avail;
+}
+
+std::chrono::milliseconds DataWindow::getTimeLength(int samplerate, int channels) const
+{
+    Lock l(mMutex);
+    return std::chrono::milliseconds(mFilled / sizeof(short) / channels / (samplerate / 1000));
+}
+
 void DataWindow::makeStereoFromMono(DataWindow& dst, DataWindow& src)
 {
     Lock lockDst(dst.mMutex), lockSrc(src.mMutex);

src/engine/audio/Audio_DataWindow.h

@@ -11,37 +11,40 @@
 
 namespace Audio
 {
-  class DataWindow
-  {
-  public:
+class DataWindow
+{
+public:
     DataWindow();
     ~DataWindow();
 
-    void setCapacity(int capacity);
-    int capacity() const;
+    void        setCapacity(int capacity);
+    int         capacity() const;
 
-    void addZero(int length);
-    void add(const void* data, int length);
-    void add(short sample);
-    int read(void* buffer, int length);
-    void erase(int length = -1);
+    void        addZero(int length);
+    void        add(const void* data, int length);
+    void        add(short sample);
+    int         read(void* buffer, int length);
+    void        erase(int length = -1);
     const char* data() const;
-    char* mutableData();
-    int filled() const;
-    void setFilled(int filled);
-    void clear();
+    char*       mutableData();
+    int         filled() const;
+    void        setFilled(int filled);
+    void        clear();
 
-    short shortAt(int index) const;
-    void setShortAt(short value, int index);
-    void zero(int length);
+    short       shortAt(int index) const;
+    void        setShortAt(short value, int index);
+    void        zero(int length);
+    size_t      moveTo(DataWindow& dst, size_t size);
+
+    std::chrono::milliseconds getTimeLength(int samplerate, int channels) const;
 
     static void makeStereoFromMono(DataWindow& dst, DataWindow& src);
 
-  protected:
+protected:
     mutable Mutex mMutex;
     char* mData;
     int mFilled;
     int mCapacity;
-  };
+};
 }
 #endif

src/engine/audio/Audio_Interface.h

@@ -51,6 +51,11 @@ struct Format
         return float((milliseconds * mRate) / 500.0 * mChannels);
     }
 
+    size_t sizeFromTime(std::chrono::milliseconds ms) const
+    {
+        return sizeFromTime(ms.count());
+    }
+
     std::string toString()
     {
         char buffer[64];