maioggdec.c

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

  if (((uiBufFlags&MAICOMPBUF_FLAG_EOS)!=0) && pPInfo->m_iLastFrame) /* EOS not yet sent downstream */
  {
    /* Try to get last buffers */
    while ((out_size = ov_read(&pPInfo->vf, pPInfo->m_pAudioOutBuf, OPTIMAL_OGG_OUTBUFFER_SIZE, &current_section)) > 0)
    {
      BufferInfo.uiDataSize = out_size;
      BufferInfo.pBuffer = pPInfo->m_pAudioOutBuf;
      DPRINTF((M_TEXT("LastFrame OGGDEC: audoggdecode() OutputPutBuf(%d:%d %p)\n"), out_size, pPInfo->m_uiOutcount, BufferInfo.pBuffer));
      pPInfo->m_uiOutcount++;
      if (MAICompBase_OutputPutBuf(hComp, 0, &BufferInfo) != MAI_STATUS_OK)
      {
        APIPRINTF((M_TEXT("OGGDEC: _processbuffer() MAICompBase_OutputPutBuf failed at last buffers, pPInfo->m_uiOutcount %d\n"), pPInfo->m_uiOutcount));
        break;
      }
    }
    memset(pPInfo->m_pAudioOutBuf, 0, OPTIMAL_OGG_OUTBUFFER_SIZE);
    BufferInfo.uiDataSize = OPTIMAL_OGG_OUTBUFFER_SIZE;
    APIPRINTF((M_TEXT("OGGDEC: _processbuffer() pass EOS, out_size %d, %d\n"), out_size, pPInfo->m_uiOutcount));
    BufferInfo.dwFlags |= MAICOMPBUF_FLAG_EOS;
    BufferInfo.pBuffer = pPInfo->m_pAudioOutBuf;
    if (MAICompBase_OutputPutBuf(hComp, 0, &BufferInfo) != MAI_STATUS_OK)
    {
      ERRORPRINTF((M_TEXT("OGGDEC: _processbuffer() MAICompBase_OutputPutBuf failed trying to write EOS, pPInfo->m_uiOutcount %d\n"), pPInfo->m_uiOutcount));
    }
    BufferInfo.dwFlags &= ~MAICOMPBUF_FLAG_EOS; /* clear EOS flag */
  }
  if (pPInfo->m_iLastFrame)
  {
    close_ogg(pPInfo);
    APIPRINTF((M_TEXT("OGGDEC: _processbuffer() LastFrame, close_ogg\n")));
  }
  
  APIPRINTF((M_TEXT("OGGDEC: _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((M_TEXT("OGGDEC: MAICompStart() enter\n")));

  _startprocessing(hComp);

  eStatus=MAICompBase_StartStreaming(hComp, MAICompBase_ProcessorThread, 0);

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

static MAIStatus_e MAICompEnd(MAICompHandle_t hComp)
{
  MAIStatus_e eStatus = MAI_STATUS_OK;
  APIPRINTF((M_TEXT("OGGDEC: 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((M_TEXT("OGGDEC: 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 */
    case MAI_CMD_EMPTY:
      APIPRINTF((M_TEXT("OGGDEC: MAICompSendCommand(CMD_EMPTY)\n")));
      /* Clear out the left-over buffers. */
      close_dump_audio();
      close_dump_compressed_audio();
      if (pPInfo->m_uiAudioInbufSize > 0)
        ov_set_discon(pPInfo->vi);
      pPInfo->m_uiAudioInbufSize = 0;
      break;
  }

  APIPRINTF((M_TEXT("OGGDEC: MAICompSendCommand(Cmd=%d,%d,%d,%d) Passing command to compbase\n"), uiCommand, uiParam1, uiParam2, uiParam3) );
  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, unsigned int uiPinID, MAIMediaType_t *pMediaType)
{
  MAICompHandleInfo_t *pCompInfo=HCOMP_TO_HANDLEINFO(hComp);
  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_OGG;
      pAudioInfo->MediaTypeInfo.uiFlags=0;
      pAudioInfo->uiFlags = 0; /* init to no flags set */
      if (pPInfo->m_uiProcessLoops) /* fill in audio format details if decoder is running */
      {
        /* fill in Audio MediaType specific fields */
        pAudioInfo->uiFlags = MAI_AUDIOMTFLAG_FORMATKNOWN; 
        pAudioInfo->uiBitrate = ov_bitrate(&pPInfo->vf, pPInfo->vf.links-1);
        pAudioInfo->uiModeFlags = 0; /* init to no mode flags set */
        pAudioInfo->uiSamplesPerSec = pPInfo->vi->rate;
        pAudioInfo->uiBitsPerSample = 16;
        // Does not work because not seekable: pAudioInfo->uiDuration = (unsigned int)ov_time_total(&pPInfo->vf, pPInfo->vf.links-1);
        pAudioInfo->uiChannels = pPInfo->vi->channels;
        pAudioInfo->uiFramesize = 4096;
      }
      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;
      pAudioInfo->uiFlags = 0; /* init to no flags set */
      if (pPInfo->m_uiProcessLoops) /* fill in audio format details if decoder is running */
      {
        pAudioInfo->uiFlags = MAI_AUDIOMTFLAG_FORMATKNOWN; 
        pAudioInfo->uiModeFlags = 0; /* init to no mode flags set */
        pAudioInfo->uiSamplesPerSec = pPInfo->vi->rate;
        pAudioInfo->uiBitsPerSample = 16;
        pAudioInfo->uiChannels = pPInfo->vi->channels;
        sprintf(pCompInfo->Info.pszDesc, "OggVorbis %s", ov_comment(&pPInfo->vf, - 1)->vendor);
        pAudioInfo->uiMaxBufSize = 4096;
      }
    }
  }
  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_DECODE|MAICOMP_TYPE_AUDIO,
      /* _uiCompVer */ 0x0001,
      /* _uiBuildVer */ BUILD_VERSION,
      /* _GUID */ MAICOMP_GUID(0x00, 0x10, 0xef, 0x00, 0x00, 0x00, 0x00, 0x1b),
      /* _pszName */ "OGGDEC", /* _pszDesc */ "OggVorbis Audio Decoder",
      /* _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;
}