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diff --git a/gsm-receiver/src/lib/decoder/openbtsstuff/GSML1FEC.h b/gsm-receiver/src/lib/decoder/openbtsstuff/GSML1FEC.h
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+++ b/gsm-receiver/src/lib/decoder/openbtsstuff/GSML1FEC.h
@@ -0,0 +1,146 @@
+/*
+* Copyright 2008 Free Software Foundation, Inc.
+*
+*
+*    This program is free software: you can redistribute it and/or modify
+*    it under the terms of the GNU General Public License as published by
+*    the Free Software Foundation, either version 3 of the License, or
+*    (at your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*    GNU General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* This software is distributed under the terms of the GNU Public License.
+* See the COPYING file in the main directory for details.
+*/
+
+
+
+#ifndef GSML1FEC_H
+#define GSML1FEC_H
+
+//#include "Threads.h"
+#include "Assert.h"
+#include "BitVector.h"
+
+#include "GSMCommon.h"
+//#include "GSMTransfer.h"
+#include "GSMTDMA.h"
+#include "VocoderFrame.h"
+#include "RxBurst.h"
+//#include "GSM610Tables.h"
+#include <stdio.h>
+
+
+
+namespace GSM
+{
+
+
+//class SAPMux;
+  class L1FEC;
+  class L1Decoder;
+
+
+
+  /*
+   Naming convention for bit vectors follows GSM 05.03 Section 2.2.
+   d[k]  data
+   u[k]  data bits after first encoding step
+   c[k]  data bits after second encoding step
+   i[B][k]  interleaved data bits
+   e[B][k]  bits in a burst
+  */
+
+
+
+
+  /** L1 decoder used for full rate TCH and FACCH -- mostly from GSM 05.03 3.1 and 4.2 */
+//: public XCCHL1Decoder
+  class TCHFACCHL1Decoder
+  {
+
+    protected:
+      SoftVector mI[8]; ///< deinterleaving history, 8 blocks instead of 4
+      SoftVector mC;    ///< c[], as per GSM 05.03 2.2
+      BitVector mTCHU;     ///< u[] (uncoded) in the spec
+      BitVector mTCHD;     ///< d[] (data) in the spec
+      SoftVector mClass1_c;    ///< the class 1 part of c[]
+      BitVector mClass1A_d;    ///< the class 1A part of d[]
+      SoftVector mClass2_c;    ///< the class 2 part of c[]
+      ViterbiR2O4 mVCoder;
+
+      VocoderFrame mVFrame;    ///< unpacking buffer for vocoder frame
+      unsigned char mPrevGoodFrame[33]; ///< previous good frame.
+
+      Parity mTCHParity;
+      const TDMAMapping& mMapping; ///< multiplexing description
+
+// InterthreadQueue<unsigned char> mSpeechQ;     ///< output queue for speech frames
+
+      static const unsigned mMaxQSize = 3;
+
+
+    public:
+
+      TCHFACCHL1Decoder( const TDMAMapping& wMapping );
+
+      ChannelType channelType() const {
+        return FACCHType;
+      }
+
+
+      /** TCH/FACCH has a special-case writeLowSide. */
+      void writeLowSide(const RxBurst& inBurst);
+
+      /**
+       Unlike other DCCHs, TCH/FACCH process burst calls
+       deinterleave, decode, handleGoodFrame.
+      */
+      bool processBurst( const RxBurst& );
+
+      /** Deinterleave i[] to c[].  */
+      void deinterleave(int blockOffset );
+
+      void replaceFACCH( int blockOffset );
+
+      /**
+       Decode a traffic frame from TCHI[] and enqueue it.
+       Return true if there's a good frame.
+      */
+      bool decodeTCH(bool stolen);
+
+      unsigned char * get_voice_frame(){
+        return mPrevGoodFrame;
+      }
+      /**
+       Receive a traffic frame.
+       Non-blocking.  Returns NULL if queue is dry.
+       Caller is responsible for deleting the returned array.
+      */
+// unsigned char *recvTCH() { return mSpeechQ.read(0); }
+
+      /** Return count of internally-queued traffic frames. */
+// unsigned queueSize() const { return mSpeechQ.size(); }
+
+  };
+
+
+
+
+
+
+};  // namespace GSM
+
+
+
+
+
+#endif
+
+// vim: ts=4 sw=4