media/webrtc/trunk/src/modules/audio_coding/main/source/acm_gsmfr.h

   1 /*
   2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11 #ifndef WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_GSMFR_H_
  12 #define WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_GSMFR_H_
  13
  14 #include "acm_generic_codec.h"
  15
  16 // forward declaration
  17 struct GSMFR_encinst_t_;
  18 struct GSMFR_decinst_t_;
  19
  20 namespace webrtc {
  21
  22 class ACMGSMFR : public ACMGenericCodec
  23 {
  24 public:
  25     ACMGSMFR(WebRtc_Word16 codecID);
  26     ~ACMGSMFR();
  27     // for FEC
  28     ACMGenericCodec* CreateInstance(void);
  29
  30     WebRtc_Word16 InternalEncode(
  31         WebRtc_UWord8* bitstream,
  32         WebRtc_Word16* bitStreamLenByte);
  33
  34     WebRtc_Word16 InternalInitEncoder(
  35         WebRtcACMCodecParams *codecParams);
  36
  37     WebRtc_Word16 InternalInitDecoder(
  38         WebRtcACMCodecParams *codecParams);
  39
  40 protected:
  41     WebRtc_Word16 DecodeSafe(
  42         WebRtc_UWord8* bitStream,
  43         WebRtc_Word16  bitStreamLenByte,
  44         WebRtc_Word16* audio,
  45         WebRtc_Word16* audioSamples,
  46         WebRtc_Word8*  speechType);
  47
  48     WebRtc_Word32 CodecDef(
  49         WebRtcNetEQ_CodecDef& codecDef,
  50         const CodecInst&      codecInst);
  51
  52     void DestructEncoderSafe();
  53
  54     void DestructDecoderSafe();
  55
  56     WebRtc_Word16 InternalCreateEncoder();
  57
  58     WebRtc_Word16 InternalCreateDecoder();
  59
  60     void InternalDestructEncoderInst(
  61         void* ptrInst);
  62
  63     WebRtc_Word16 EnableDTX();
  64
  65     WebRtc_Word16 DisableDTX();
  66
  67     GSMFR_encinst_t_* _encoderInstPtr;
  68     GSMFR_decinst_t_* _decoderInstPtr;
  69 };
  70
  71 } // namespace webrtc
  72
  73 #endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_SOURCE_ACM_GSMFR_H_