umc_speech_decoder.h

audio-video-codecs.rar语音编解码器

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2006 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __UMC_SPEECH_DECODER_H__
#define __UMC_SPEECH_DECODER_H__

#include "umc_media_data.h"
#include "usc.h"
#include "umc_speech_codec.h"
#include "umc_speech_mediadata.h"
#include "umc_amr_transform_defs.h"

#define CHECK_POINTER(p) { if((p) == NULL) return (UMC_ERR_NULL_PTR); }
#define CHECK_STATUS(p)  { if(UMC_OK != (p)) return UMC_ERR_FAILED; }
#define SET_DATA(p, f, b, n) {p.SetFrameType(f); p.SetBitrate(b); p.SetNBytes(n);}

namespace UMC
{
    class SpeechDecoder : public USCDecoder
    {
        DYNAMIC_CAST_DECL(SpeechDecoder, USCDecoder);

    public:

        ~SpeechDecoder();

        SpeechDecoder(USC_Fxns *FNS) : USCDecoder(FNS)
        { m_pDataBuffer = NULL; m_CurrentBitrate = 12200;};

        Status GetFrame(MediaData *in, MediaData *out);
        Status Init(BaseCodecParams *init);

    private:

        Status PackToSpeechMediaData(MediaData* pData);
        Status UnpackFromSpeechMediaData(MediaData* pData);

        SpeechMediaData  m_SpeechDataIn;
        SpeechMediaData  m_SpeechDataOut;

        Ipp8u*   m_pDataBuffer;
        Ipp8u    m_aReorderedData[256];

        Ipp32s m_CurrentBitrate;
    };
};// namespace UMC

#endif