opencore/codecs_v2/audio/gsm_amr/amr_nb/dec/include/decoder_gsm_amr.h

   1 /* ------------------------------------------------------------------
   2  * Copyright (C) 1998-2009 PacketVideo
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  13  * express or implied.
  14  * See the License for the specific language governing permissions
  15  * and limitations under the License.
  16  * -------------------------------------------------------------------
  17  */
  18 /****************************************************************************************
  19 Portions of this file are derived from the following 3GPP standard:
  20
  21     3GPP TS 26.073
  22     ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
  23     Available from http://www.3gpp.org
  24
  25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
  26 Permission to distribute, modify and use this file under the standard license
  27 terms listed above has been obtained from the copyright holder.
  28 ****************************************************************************************/
  29 //////////////////////////////////////////////////////////////////////////////////
  30 //                                                                              //
  31 //  File: decoder_amr_nb.h                                                      //
  32 //                                                                              //
  33 //////////////////////////////////////////////////////////////////////////////////
  34
  35 #ifndef _DECODER_AMR_NB_H
  36 #define _DECODER_AMR_NB_H
  37
  38 #include "oscl_base.h"
  39 #include "pvgsmamrdecoderinterface.h"
  40
  41 // CDecoder_AMR_WB
  42 class CDecoder_AMRInterface;
  43 class CDecoder_AMR_NB: public CDecoder_AMRInterface
  44 {
  45     public:
  46         OSCL_IMPORT_REF void ConstructL();
  47         OSCL_IMPORT_REF static CDecoder_AMR_NB *NewL();
  48         OSCL_IMPORT_REF virtual ~CDecoder_AMR_NB();
  49
  50         OSCL_IMPORT_REF virtual int32 StartL(tPVAmrDecoderExternal * pExt,
  51                                              bool aAllocateInputBuffer  = false,
  52                                              bool aAllocateOutputBuffer = false);
  53
  54         OSCL_IMPORT_REF virtual int32 ExecuteL(tPVAmrDecoderExternal * pExt);
  55
  56         OSCL_IMPORT_REF virtual int32 ResetDecoderL();
  57         OSCL_IMPORT_REF virtual void StopL();
  58         OSCL_IMPORT_REF virtual void TerminateDecoderL();
  59
  60     private:
  61         void* iDecState;
  62
  63         int16* iInputBuf;
  64         int16* iOutputBuf;
  65
  66
  67 };
  68
  69
  70 #endif
  71