1 files changed, 127 insertions, 0 deletions
diff --git a/mpeglib/lib/splay/mpegtoraw.cpp b/mpeglib/lib/splay/mpegtoraw.cpp
new file mode 100644
index 00000000..93143bbe
--- /dev/null
+++ b/mpeglib/lib/splay/mpegtoraw.cpp
@@ -0,0 +1,127 @@
+/* MPEG/WAVE Sound library
+
+   (C) 1997 by Jung woo-jae */
+
+// Mpegtoraw.cc
+// Server which get mpeg format and put raw format.
+
+
+#include "mpegsound.h"
+#include "synthesis.h"
+#include "dump.h"
+#include "../frame/audioFrame.h"
+
+#include <iostream>
+
+using namespace std;
+
+Mpegtoraw::Mpegtoraw(MpegAudioStream* mpegAudioStream,
+		     MpegAudioHeader* mpegAudioHeader) {
+
+  this->mpegAudioStream=mpegAudioStream;
+  this->mpegAudioHeader=mpegAudioHeader;
+  
+  this->lOutputStereo=true;
+  setStereo(true);
+  setDownSample(false);
+
+  dump=new Dump();
+  synthesis=new Synthesis();
+  initialize();
+
+}
+
+Mpegtoraw::~Mpegtoraw() {
+
+  delete synthesis;
+  delete dump;
+}
+
+
+
+
+
+
+
+void Mpegtoraw::setStereo(int flag) {
+  lWantStereo=flag;
+}
+
+void Mpegtoraw::setDownSample(int flag) {
+  lDownSample=flag;
+}
+
+int Mpegtoraw::getStereo() {
+  return lWantStereo;
+}
+
+int Mpegtoraw::getDownSample() {
+  return lDownSample;
+}
+
+
+
+
+
+
+
+// Convert mpeg to raw
+// Mpeg headder class
+void Mpegtoraw::initialize() {
+
+
+
+  layer3initialize();
+
+
+}
+
+
+
+
+
+// Convert mpeg to raw
+int Mpegtoraw::decode(AudioFrame* audioFrame) {
+  int back=true;
+
+  this->audioFrame=audioFrame;
+  if (audioFrame->getSize() < RAWDATASIZE) {
+    cout << "audioFrame needs at least:"<<RAWDATASIZE<<" size"<<endl;
+    exit(0);
+  }
+
+  audioFrame->clearrawdata();
+  synthesis->clearrawdata();
+
+  int layer=mpegAudioHeader->getLayer();
+  this->lOutputStereo=lWantStereo & mpegAudioHeader->getInputstereo();
+
+  if (mpegAudioHeader->getProtection()==false) {
+    mpegAudioStream->getbyte();
+    mpegAudioStream->getbyte();
+  }    
+  switch(layer) {
+  case 3:
+    extractlayer3();
+    break;
+  case 2:
+    extractlayer2();
+    break;
+  case 1:
+    extractlayer1();
+    break;
+  default:
+    cout << "unknown layer:"<<layer<<endl;
+    back=false;
+  }
+  
+  //
+  // Now put the frequencies/output etc.. in the frame
+  //
+  audioFrame->setFrameFormat(lOutputStereo,
+			     mpegAudioHeader->getFrequencyHz()>>lDownSample);
+
+  audioFrame->putFloatData(synthesis->getOutputData(),synthesis->getLen());
+  return back;
+
+}