1 files changed, 75 insertions, 0 deletions
diff --git a/mpeglib/lib/frame/audioFrameQueue.h b/mpeglib/lib/frame/audioFrameQueue.h
new file mode 100644
index 00000000..7e7a01c0
--- /dev/null
+++ b/mpeglib/lib/frame/audioFrameQueue.h
@@ -0,0 +1,75 @@
+/*
+  queues audio frames in an IOQueue, allows streaming from frames
+  Copyright (C) 2001  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#ifndef __AUDIOFRAMEQUE_H
+#define __AUDIOFRAMEQUE_H
+
+#include "IOFrameQueue.h"
+#include "floatFrame.h"
+#include "pcmFrame.h"
+
+#include <kdemacros.h>
+
+/**
+   This class solves the problem that we produce audioFrames
+   in a packet, but often we want that these packets looks
+   like a stream.
+   This class can convert from packets back to a stream.
+*/
+
+class KDE_EXPORT AudioFrameQueue : public IOFrameQueue {
+  
+  int frameType;
+  int len;
+  AudioFrame* currentAudioFrame;
+  int currentRead;
+
+ public:
+  AudioFrameQueue(int queueSize,int frameSize,int frameType);
+  ~AudioFrameQueue();
+
+  void emptyQueueEnqueue(AudioFrame* frame);
+  AudioFrame* emptyQueueDequeue();
+
+  void dataQueueEnqueue(AudioFrame* frame);
+  AudioFrame* dataQueueDequeue();
+
+  // Meta info about stream
+  AudioFrame* getCurrent();
+ 
+  // Data info about "stream" (calculated from the packets)
+  int getLen();
+
+  // copy from packets to destination
+  int copy(float* left,float* right,int len);
+  int copy(short int* left,short int* right,int len);
+  void forwardStreamDouble(int len);
+
+  int copy(short int* dest,int len);
+  int copy(float* dest,int len);
+  void forwardStreamSingle(int len);
+
+  void clear();
+
+ private:
+  void transferFrame(float* left,float* right,FloatFrame*,int start,int len);
+  void transferFrame(short int* left,short int* right,
+		     PCMFrame*,int start,int len);
+  void transferFrame(short int* dest,
+		     PCMFrame*,int start,int len);
+  void transferFrame(float* dest,
+		     FloatFrame*,int start,int len);
+  int copygeneric(char* left,char* right,int wantLen,int version,int mux);
+};
+#endif