codecs_v2/omx/omx_amr/include/amr_dec.h

/* ------------------------------------------------------------------
 * Copyright (C) 1998-2009 PacketVideo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 * -------------------------------------------------------------------
 */
#ifndef AMR_DEC_H_INCLUDED
#define AMR_DEC_H_INCLUDED

#ifndef OSCL_MEM_H_INCLUDED
#include "oscl_mem.h"
#endif

#ifndef OMX_Component_h
#include "omx_component.h"
#endif

#ifndef	FRAME_TYPE_3GPP_H
#include "frame_type_3gpp.h"
#endif

#ifndef _DECODER_AMR_NB_H
#include "decoder_gsm_amr.h"
#endif

#ifndef _DECODER_AMR_WB_H
#include "decoder_amr_wb.h"
#endif



class OmxAmrDecoder
{
    public:
        OmxAmrDecoder();

        OMX_BOOL AmrDecInit(OMX_AUDIO_AMRFRAMEFORMATTYPE aInFormat, OMX_AUDIO_AMRBANDMODETYPE aInMode);

        void AmrDecDeinit();

        OMX_BOOL AmrDecodeFrame(OMX_S16* aOutputBuffer,
                                OMX_U32* aOutputLength, OMX_U8** aInBuffer,
                                OMX_U32* aInBufSize, OMX_S32* aIsFirstBuffer,
                                OMX_BOOL* aResizeFlag);

        OMX_BOOL AmrDecodeSilenceFrame(OMX_S16* aOutputBuffer,
                                       OMX_U32* aOutputLength);


        void ResetDecoder(); // for repositioning

        OMX_S32 iAmrInitFlag;

    private:

        Frame_Type_3GPP GetFrameTypeLength(OMX_U8* &ptr, OMX_S32 *pLength);
        void GetStartPointsForIETFCombinedMode(OMX_U8* aPtrIn, OMX_U32 aLength,
                                               OMX_U8* &aTocPtr, OMX_S32* aNumOfBytes);

        OMX_S16 iOmxInputFormat;
        OMX_U8  *iTocTablePtr;
        OMX_S32 iAMRFramesinTOC;


        //CDecoder_AMR_NB* iAudioAmrDecoder;
        CDecoder_AMRInterface* iAudioAmrDecoder;
        tPVAmrDecoderExternal* iCodecExternals;

        OMX_U32 iOutputFrameSize;
        OMX_BOOL iNarrowBandFlag;

        OMX_S16 iDecHomingFlag;
        OMX_S16 iDecHomingFlagOld;

};



#endif	//#ifndef AMR_DEC_H_INCLUDED