media/webrtc/trunk/src/voice_engine/main/source/voe_codec_impl.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_VOICE_ENGINE_VOE_CODEC_IMPL_H
  12 #define WEBRTC_VOICE_ENGINE_VOE_CODEC_IMPL_H
  13
  14 #include "voe_codec.h"
  15
  16 #include "ref_count.h"
  17 #include "shared_data.h"
  18
  19 namespace webrtc
  20 {
  21
  22 class VoECodecImpl: public VoECodec,
  23                     public voe::RefCount
  24 {
  25 public:
  26     virtual int Release();
  27
  28     virtual int NumOfCodecs();
  29
  30     virtual int GetCodec(int index, CodecInst& codec);
  31
  32     virtual int SetSendCodec(int channel, const CodecInst& codec);
  33
  34     virtual int GetSendCodec(int channel, CodecInst& codec);
  35
  36     virtual int GetRecCodec(int channel, CodecInst& codec);
  37
  38     virtual int SetAMREncFormat(int channel,
  39                                 AmrMode mode = kRfc3267BwEfficient);
  40
  41     virtual int SetAMRDecFormat(int channel,
  42                                 AmrMode mode = kRfc3267BwEfficient);
  43
  44     virtual int SetAMRWbEncFormat(int channel,
  45                                   AmrMode mode = kRfc3267BwEfficient);
  46
  47     virtual int SetAMRWbDecFormat(int channel,
  48                                   AmrMode mode = kRfc3267BwEfficient);
  49
  50     virtual int SetSendCNPayloadType(
  51         int channel, int type,
  52         PayloadFrequencies frequency = kFreq16000Hz);
  53
  54     virtual int SetRecPayloadType(int channel,
  55                                   const CodecInst& codec);
  56
  57     virtual int GetRecPayloadType(int channel, CodecInst& codec);
  58
  59     virtual int SetISACInitTargetRate(int channel,
  60                                       int rateBps,
  61                                       bool useFixedFrameSize = false);
  62
  63     virtual int SetISACMaxRate(int channel, int rateBps);
  64
  65     virtual int SetISACMaxPayloadSize(int channel, int sizeBytes);
  66
  67     virtual int SetVADStatus(int channel,
  68                              bool enable,
  69                              VadModes mode = kVadConventional,
  70                              bool disableDTX = false);
  71
  72     virtual int GetVADStatus(int channel,
  73                              bool& enabled,
  74                              VadModes& mode,
  75                              bool& disabledDTX);
  76
  77 protected:
  78     VoECodecImpl(voe::SharedData* shared);
  79     virtual ~VoECodecImpl();
  80
  81 private:
  82     void ACMToExternalCodecRepresentation(CodecInst& toInst,
  83                                           const CodecInst& fromInst);
  84
  85     void ExternalToACMCodecRepresentation(CodecInst& toInst,
  86                                           const CodecInst& fromInst);
  87
  88     voe::SharedData* _shared;
  89 };
  90
  91 } // namespace webrtc
  92
  93 #endif  // WEBRTC_VOICE_ENGINE_VOE_CODEC_IMPL_H