maimp3enc.c

au1200 linux2.6.11 硬件解码mae驱动和maiplayer播放器源码

#endif
    DPRINTF(("MP3ENC: _processbuffer() input insize %x iread %x\n", insize, iread*4));

    if (iread == 0)
      outsize = 0;
    else
    {
//      err = mp3encEncode(pPInfo->pmp3, short_buffer, iread, pPInfo->outputbuffer, pPInfo->encInfo.cbBufsizeMin, &outsize);
      //outsize = lame_encode_buffer_int(pPInfo->gf, Buffer[0], Buffer[1], iread, mp3buffer, sizeof(mp3buffer));
    }  
  
    if ((insize == 0) && (outsize == 0))
    {
      if (eof_bail_count++ > 10)
        break; 
    }

    /* was our output buffer big enough? */
    if (!err && (outsize > 0))
    {
      /* write to destination data (mp3 file) */
      /* if a frame has been encoded, output it */
      DPRINTF(("MP3ENC: _processbuffer() OutputPutBuf(%d)\n", outsize));
      BufferInfo.dwFlags = 0;  /* default - no special flags */
      BufferInfo.tTimeStamp = 0;
      BufferInfo.pBuffer = (unsigned char *)pPInfo->outputbuffer;
      BufferInfo.uiDataSize = BufferInfo.uiBufSize = outsize;
      eStatus=MAICompBase_OutputPutBuf(hComp, 0, &BufferInfo);
    }
    else /* encoder did not succeed */
    {
      eStatus = MAI_STATUS_OK;
      if (!err)
      {
        printf("mp3enc internal error:  error code=%x\n", err);
      }
      if (error_bail_count++ > 10)
        break; // but we do not want to get stuck here!
    }
    insize -= 2 * iread;
    short_buffer += iread;
    DPRINTF(("MP3ENC: _processbuffer() insize %x\n", insize));
  }
  
  DPRINTF(("MP3ENC: _processbuffer() exit\n"));
  return eStatus;
}

static MAIStatus_e MAICompInitInput(MAICompHandle_t hComp, unsigned int uiPinID,
                                   pfMAICompGetBufferCB_t *ppfInputGetBuffer,
                                   pfMAICompPutBufferCB_t *ppfInputPutBuffer)
{
  MAIStatus_e  eStatus;
  eStatus=MAICompBase_InitInput(hComp, uiPinID, ppfInputGetBuffer, ppfInputPutBuffer, DEFAULT_INBUFSIZE, DEFAULT_INBUFCOUNT);

  return eStatus;
}

static MAIStatus_e MAICompInitOutput(MAICompHandle_t hComp, unsigned int uiPinID,
                                   pfMAICompGetBufferCB_t pfOutputGetBuf, pfMAICompPutBufferCB_t pfOutputPutBuf,
                                   MAICompHandle_t hBufferOwnerComp)
{
  return MAICompBase_InitOutput(hComp, uiPinID, pfOutputGetBuf, pfOutputPutBuf, hBufferOwnerComp);
}

static MAIStatus_e MAICompStart(MAICompHandle_t hComp)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
  MAIStatus_e eStatus = MAI_STATUS_OK;
  APIPRINTF(("MP3ENC: MAICompStart() enter\n"));

  _startprocessing(hComp);

  eStatus=MAICompBase_StartStreaming(hComp, MAICompBase_ProcessorThread, 0);

  APIPRINTF(("MP3ENC: MAICompStart() done: status=0x%X\n", eStatus));
  return eStatus;
}

static MAIStatus_e MAICompEnd(MAICompHandle_t hComp)
{
  MAIStatus_e eStatus = MAI_STATUS_OK;
  APIPRINTF(("MP3ENC: MAICompEnd() enter\n"));
  /* call base EndStreaming to close down any running threads */
  eStatus=MAICompBase_EndStreaming(hComp, MAI_TIMEOUT_INFINITE);
  /* now call our local endprocessing logic */
  if (!MAICompBase_IsState(hComp, MAI_RUNSTATE_NONE))
    eStatus=_endprocessing(hComp);
  APIPRINTF(("MP3ENC: MAICompEnd() done: status=0x%X\n", eStatus));
  return eStatus;
}

static MAIStatus_e MAICompSendCommand(MAICompHandle_t hComp, m_u32 uiCommand,
                               m_u32 uiParam1, m_u32 uiParam2, m_u32 uiParam3,
                               void *pUserInstance, MAITimeOut_t uiTimeOut)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
  MAIStatus_e eStatus = MAI_STATUS_OK;
  
  switch (uiCommand)
  {
    /* handle component specific Commands here */
    default:                                       
      break;
  }

  ERRORPRINTF((M_TEXT("MP3ENC: MAICompSetParam(%d,%d) Passing command to compbase\n"), uiParam1, uiParam2) );
  eStatus=MAICompBase_SendCommand(hComp, uiCommand, uiParam1, uiParam2, uiParam3, pUserInstance, uiTimeOut);

  return eStatus;
}

static MAIStatus_e MAICompGetParam(MAICompHandle_t hComp, unsigned int uiParam, void *pvParamData, unsigned int uiDataSize)
{
  return MAICompBase_GetParam(hComp,uiParam,pvParamData,uiDataSize);
}

static MAIStatus_e MAICompSetParam(MAICompHandle_t hComp, unsigned int uiParam, void *pvParamData, unsigned int uiDataSize)
{
  return MAICompBase_SetParam(hComp,uiParam,pvParamData,uiDataSize);
}

static MAIStatus_e MAICompGetMediaType(MAICompHandle_t hComp, MAICompDirection_e eDirection, MAICompPinID_t uiPinID, MAIMediaType_t *pMediaType)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
  MAIStatus_e eStatus = MAI_STATUS_UNSUPPORTED;
  if (eDirection==MAICOMP_DIR_INPUT && uiPinID==0)
  {
    if (!pMediaType)
      eStatus=MAI_STATUS_BADARG;
    else
    {
      MAIMediaTypeAudio_t *pAudioInfo=(MAIMediaTypeAudio_t *)pMediaType;
      /* clear the info structure */
      memset(pAudioInfo, 0, sizeof(MAIMediaTypeAudio_t));
      /* fill in Common MediaType fields */
      pAudioInfo->MediaTypeInfo.uiSize=sizeof(MAIMediaTypeAudio_t);
      pAudioInfo->MediaTypeInfo.eMType=MAI_MTYPE_AUDIO;
      pAudioInfo->MediaTypeInfo.eMSubtype=MAI_MSUBTYPE_MPA;
      pAudioInfo->MediaTypeInfo.uiFlags=0;
      /* Fill in Audio MediaType specific fields */
      pAudioInfo->uiFlags = 0; /* init to no flags set */
      pAudioInfo->uiModeFlags = 0; /* init to no mode flags set */
//      pAudioInfo->uiSamplesPerSec = mp3decGetStreamInfo(pPInfo->hDec)->SFreq;
//      pAudioInfo->uiBitsPerSample = mp3decGetStreamInfo(pPInfo->hDec)->BitsPerSample;
//      pAudioInfo->uiChannels = mp3decGetStreamInfo(pPInfo->hDec)->Channels;
//      pAudioInfo->uiBitrate = mp3decGetStreamInfo(pPInfo->hDec)->Bitrate;
//      pAudioInfo->uiFramesize = mp3decGetStreamInfo(pPInfo->hDec)->BitsPerFrame;
//      pAudioInfo->uiLayer = mp3decGetStreamInfo(pPInfo->hDec)->Layer;
//      if (mpeg_decoder.decode_context.vbr)
//        pAudioInfo->uiFlags |= MAI_AUDIOMTFLAG_VBR;
//      pAudioInfo->uiEmphasis = mpeg_decoder.decode_context.emphasis; /* 0, 1, 2, 3 */
//      if (mpeg_decoder.decode_context.sbr)
//        pAudioInfo->uiModeFlags |= MAI_AUDIOMODEFLAG_SBR;
//      if (mpeg_decoder.decode_context.mode_ext & MODE_EXT_I_STEREO)
//        pAudioInfo->uiModeFlags |= MAI_AUDIOMODEFLAG_INTENSITYSTEREO;
//      if (mpeg_decoder.decode_context.mode_ext & MODE_EXT_MS_STEREO)
//        pAudioInfo->uiModeFlags |= MAI_AUDIOMODEFLAG_MSSTEREO;
//      if (mpeg_decoder.decode_context.mode == MPA_JSTEREO)
//        pAudioInfo->uiModeFlags |= MAI_AUDIOMODEFLAG_JOINTSTEREO;
      eStatus=MAI_STATUS_OK;
    }
  }
  else if (eDirection==MAICOMP_DIR_OUTPUT && uiPinID==0)
  {
    if (!pMediaType)
      eStatus=MAI_STATUS_BADARG;
    else
    {
      MAIMediaTypeAudio_t *pAudioInfo=(MAIMediaTypeAudio_t *)pMediaType;
      /* clear the info structure */
      memset(pAudioInfo, 0, sizeof(MAIMediaTypeAudio_t));
      /* fill in Common MediaType fields */
      pAudioInfo->MediaTypeInfo.uiSize=sizeof(MAIMediaTypeAudio_t);
      pAudioInfo->MediaTypeInfo.eMType=MAI_MTYPE_AUDIO;
      pAudioInfo->MediaTypeInfo.eMSubtype=MAI_MSUBTYPE_PCM;
      pAudioInfo->MediaTypeInfo.uiFlags=0;
      /* fill in Audio MediaType specific fields */
      pAudioInfo->uiFlags = 0; /* init to no flags set */
      pAudioInfo->uiModeFlags = 0; /* init to no mode flags set */
//      pAudioInfo->uiSamplesPerSec = mp3decGetStreamInfo(pPInfo->hDec)->SFreq;
//      pAudioInfo->uiBitsPerSample = mp3decGetStreamInfo(pPInfo->hDec)->BitsPerSample;
//      pAudioInfo->uiChannels = mp3decGetStreamInfo(pPInfo->hDec)->Channels;
//      pAudioInfo->uiBitrate = mp3decGetStreamInfo(pPInfo->hDec)->Bitrate;
//      pAudioInfo->uiFramesize = mp3decGetStreamInfo(pPInfo->hDec)->BitsPerFrame;
      pAudioInfo->uiMaxBufSize = 1152*2*2;
    }
  }
  return eStatus;
}

/********** Public Component interfaces - REQUIRED **********/
#define _COMPCOUNT    1  /* just one component implemented here */

static MAICompHandleInfo_t _CompTemplate[_COMPCOUNT] =
{
  { /* CompInfo #1 - MPEG Audio Decoder */  
    DECLARE_MAICOMPINFO(
      /* _eType */ MAICOMP_TYPE_ENCODE|MAICOMP_TYPE_AUDIO,
      /* _uiCompVer */ 0x0001,
      /* _uiBuildVer */ BUILD_VERSION,
      /* _GUID */ MAICOMP_GUID(0x00, 0x10, 0xef, 0x00, 0x00, 0x00, 0x00, 0x1b),
      /* _pszName */ "MP3ENC", /* _pszDesc */ "MP3 Audio Encoder",
      /* _uiMaxInputs */ 1, /* _MaxOutputs */ 1,
      /* _MaxInstances */ 1,
      /* _uiFlags */ 0
    ),
    /* CompHandle fields */
    (pfMAICompErrorCB_t)0,    /* pfMAICompErrorCB_t     pfErrorCB */
    (pfMAICompProgressCB_t)0, /* pfMAICompProgressCB_t  pfProgressCB; */
    MAICompInitInput,   /* pfMAICompInitInput_t   pfInitInput */
    MAICompInitOutput,  /* pfMAICompInitOutput_t  pfInitOutput */
    MAICompGetMediaType, /* pfMAICompGetMediaType_t pfGetMediaType */
    MAICompGetParam,    /* pfMAICompGetParam_t    pfGetParam */
    MAICompSetParam,    /* pfMAICompSetParam_t    pfSetParam */
    MAICompStart,       /* pfMAICompStart_t       pfStart */
    MAICompSendCommand, /* pfMAICompSendCommand_t pfSendCommand */
    MAICompEnd,         /* pfMAICompEnd_t         pfEnd */
    MAICompBase_SetErrorCB,   /* pfMAICompSetErrorCB_t  pfSetErrorCB */
    MAICompBase_SetProgressCB,  /* pfMAICompSetProgressCB_t pfSetProgressCB */
    MAICompBase_GetState,     /* pfMAICompGetState_t    pfGetState */
    (pfMAICompSetStream_t)0, /* pfMAICompSetStream_t   pfSetStream */
    (pfMAICompReserved_t)0,  /* pfMAICompRead_t        pfRead */
    MAICompBase_ReadBuffer,  /* pfMAICompReadBuffer_t   pfReadBuffer */
    MAICompBase_WriteBuffer,
    (pfMAICompReserved_t)0,
    (pfMAICompReserved_t)0,
    (pfMAICompReserved_t)0,
    (pfMAICompReserved_t)0,
    (pfMAICompReserved_t)0
  }
};
    
/* MAICompLibInit - initialize the MAI component library */
PUBLIC_EXTERN MAIStatus_e MAICompLibInit()
{
  return MAICompBase_LibInit(_CompTemplate, _COMPCOUNT);
}

/* MAICompLibRelease - release the MAI component library */
PUBLIC_EXTERN MAIStatus_e MAICompLibRelease()
{
  return MAICompBase_LibRelease();
}

/* MAICompLibGetCount - return number of components implemented in this library */
PUBLIC_EXTERN unsigned int MAICompLibGetCount()
{
  MAICompLibInit(); /* make sure lib has been initialized */
  return MAICompBase_LibGetCount();
}

/* MAICompGetInfo - return info on a specific component */
PUBLIC_EXTERN MAIStatus_e MAICompGetInfo(unsigned int uiCompIndex, MAICompInfo_t *pInfoOut)
{
  MAICompLibInit(); /* make sure lib has been initialized */
  return MAICompBase_CompGetInfo(uiCompIndex, pInfoOut);
}

/* MAICompCreate - create an instance of a specific component */
PUBLIC_EXTERN MAIStatus_e MAICompCreate(unsigned char *pucGUID, MAICompHandle_t *phCompOut)
{
  MAIStatus_e eStatus;
  MAICompHandle_t hComp=M_HANDLE_INVALID;
  MAICompLibInit(); /* make sure lib has been initialized */
  eStatus=MAICompBase_CompCreate(pucGUID, sizeof(ProcessorInfo_t), &hComp);
  if (eStatus==MAI_STATUS_OK)
  {
    /* init private component info */
    ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);

    /* return handle */
    *phCompOut=(MAICompHandle_t)hComp;
  }
  return eStatus;
}

/* MAICompRelease - release an instance of a specific component */
PUBLIC_EXTERN MAIStatus_e MAICompRelease(MAICompHandle_t hComp)
{
  MAIStatus_e eStatus;
  if (hComp!=M_HANDLE_INVALID)
  {
    ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
    /* release private component info */

    /* call base release */
    eStatus=MAICompBase_CompRelease(hComp);
  }
  else
    eStatus=MAI_STATUS_BADHANDLE;
  return eStatus;
}