/*
 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef ACM_G722_H
#define ACM_G722_H

#include "acm_generic_codec.h"

typedef struct WebRtcG722EncInst    G722EncInst;
typedef struct WebRtcG722DecInst    G722DecInst;

namespace webrtc
{

// forward declaration
struct ACMG722EncStr;
struct ACMG722DecStr;

class ACMG722 : public ACMGenericCodec
{
public:
    ACMG722(WebRtc_Word16 codecID);
    ~ACMG722();
    // for FEC
    ACMGenericCodec* CreateInstance(void);

    WebRtc_Word16 InternalEncode(
        WebRtc_UWord8* bitstream,
        WebRtc_Word16* bitStreamLenByte);

    WebRtc_Word16 InternalInitEncoder(
        WebRtcACMCodecParams *codecParams);

    WebRtc_Word16 InternalInitDecoder(
        WebRtcACMCodecParams *codecParams);

protected:
    WebRtc_Word16 DecodeSafe(
        WebRtc_UWord8* bitStream,
        WebRtc_Word16  bitStreamLenByte,
        WebRtc_Word16* audio,
        WebRtc_Word16* audioSamples,
        WebRtc_Word8*  speechType);

    WebRtc_Word32 CodecDef(
        WebRtcNetEQ_CodecDef& codecDef, 
        const CodecInst&      codecInst);

    WebRtc_Word32 Add10MsDataSafe(
        const WebRtc_UWord32 timestamp,
        const WebRtc_Word16* data,
        const WebRtc_UWord16 lengthSmpl,
        const WebRtc_UWord8  audioChannel);

    void DestructEncoderSafe();
    
    void DestructDecoderSafe();

    WebRtc_Word16 InternalCreateEncoder();
    
    WebRtc_Word16 InternalCreateDecoder();
    
    void InternalDestructEncoderInst(
        void* ptrInst);

    WebRtc_Word16 UnregisterFromNetEqSafe(
        ACMNetEQ*     netEq,
        WebRtc_Word16 payloadType);

    ACMG722EncStr* _ptrEncStr;
    ACMG722DecStr* _ptrDecStr;

    G722EncInst*  _encoderInstPtr;
    G722EncInst*  _encoderInstPtrRight; // Prepared for stereo
    G722DecInst*  _decoderInstPtr;
};

} // namespace webrtc

#endif // ACM_G722_H