maimpeg4dec.c

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

                                   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("MP4V: MAICompStart() enter\n")));

  _startprocessing(hComp);

  eStatus=MAICompBase_StartStreaming(hComp, MAICompBase_ProcessorThread, 0);

  APIPRINTF( (M_TEXT("MP4V: 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("MP4V: 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("MP4V: 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)
{
  MAIStatus_e eStatus = MAI_STATUS_OK;
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);

  switch (uiCommand)
  {
     case MAICOMP_CMD_STOP:
        if (MAICompBase_IsStreaming(hComp))
        {
          /* ensure decoder completes current frame before Stopping */
          if (MAICompBase_ChangeStateIFF(hComp, MAI_RUNSTATE_PLAYING|MAI_RUNSTATE_STARTING, MAI_RUNSTATE_PAUSING))
          {
            if (uiTimeOut)
              MAICompBase_WaitForState(hComp, ~MAI_RUNSTATE_PAUSING, (uiTimeOut>1000)?1000:uiTimeOut);
          }
        }
        /* pass command to base routines for default processing */
        eStatus=MAICompBase_SendCommand(hComp, uiCommand, uiParam1, uiParam2, uiParam3, pUserInstance, uiTimeOut);
        break;

    case MAI_CMD_EMPTY:
        APIPRINTF((M_TEXT("MPV4: MAICompSendCommand() CMD_EMPTY: DecodeMode=%d\n"),
                  pPInfo->m_uiCurrentDecodeMode));
        eStatus=MAICompBase_SendCommand(hComp, uiCommand, uiParam1, uiParam2, uiParam3, pUserInstance, uiTimeOut);
        if (pPInfo->m_uiCurrentDecodeMode!=DECODE_I_ONLY)
            g_uiWaitForIFrame = M_TRUE;
        //mpeg4_setmode(DECODE_WAITFORI);
        break;

    case MAICOMP_CMD_PLAY:
        {
          MAISpeed_e NewSpeed=(MAISpeed_e)uiParam1;
          unsigned int uiNewPlayRate=NewSpeed&MAI_SPEED_RATEMASK;
          APIPRINTF((M_TEXT("MPV4: MAICompSendCommand() CMD_PLAY(speed=0x%X): DecodeMode=%d\n"),
                uiParam1, pPInfo->m_uiCurrentDecodeMode));
          if (uiNewPlayRate!=0 && NewSpeed!=MAI_SPEED_UNSPECIFIED)
          {
            pPInfo->m_NextSpeed=NewSpeed;
            update_speed(pPInfo, 0);
          }
        }

        /* pass command to base routines for default processing */
        eStatus=MAICompBase_SendCommand(hComp, uiCommand, uiParam1, uiParam2, uiParam3, pUserInstance, uiTimeOut);
        break;

    default:
        APIPRINTF((M_TEXT("MPV4: 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);
        break;
  };

  return eStatus;
}

static MAIStatus_e MAICompGetParam(MAICompHandle_t hComp, unsigned int uiParam, void *pvParamData, unsigned int uiDataSize)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
  MAIStatus_e eStatus=MAI_STATUS_UNSUPPORTED;
  switch (uiParam)
  {
    default:
        eStatus=MAICompBase_GetParam(hComp,uiParam,pvParamData,uiDataSize);
        break;

  }
  return eStatus;
}


static MAIStatus_e MAICompSetParam(MAICompHandle_t hComp, unsigned int uiParam, void *pvParamData, unsigned int uiDataSize)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
  MAIStatus_e eStatus=MAI_STATUS_UNSUPPORTED;
  switch (uiParam)
  {
    case MAI_PARAM_VIDEOACCEL: /* HWG050620: used to receive open MAE driver instance from engine */
        DPRINTF( (M_TEXT("MPV4: MAICompSetParam(MAI_PARAM_VIDEOACCEL, 0x%08X)\n"), pvParamData) );
        {
          MAIParamVideoAccel_t *pVideoAccel=(MAIParamVideoAccel_t *)pvParamData;
          if (uiDataSize<sizeof(MAIParamVideoAccel_t))
            eStatus=MAI_STATUS_BADARG;  /* structure to small */
          else
          {
#ifdef MAE_HW
            setup_mae_driver(pVideoAccel); /* here we pass open MAE driver to wrapper (hHandle) */
#endif
            eStatus=MAI_STATUS_OK;
          }
        }
        break;
#ifdef SYNC_SKIPPING_SUPPORT
    case MAI_PARAM_CLOCK: /* HWG050715: used to receive current clock that engine is syncing to */
        {
          MAIParamClock_t *pClock=(MAIParamClock_t *)pvParamData;
          if (uiDataSize<sizeof(MAIParamClock_t))
            eStatus=MAI_STATUS_BADARG;  /* structure to small */
          else
          {
            /* here we'll use the clock to see if we need to skip */
            check_sync(pPInfo, pClock);
            eStatus=MAI_STATUS_OK;
          }
        }
        break;
#endif /* SYNC_SKIPPING_SUPPORT */
    default:
      eStatus=MAICompBase_SetParam(hComp,uiParam,pvParamData,uiDataSize);
      break;
  }
  return eStatus;
}

static MAIStatus_e MAICompGetMediaType(MAICompHandle_t hComp, MAICompDirection_e eDirection, unsigned int uiPinID, MAIMediaType_t *pMediaType)
{
  ProcessorInfo_t *pPInfo=(ProcessorInfo_t *)HCOMP_TO_USERINFO(hComp);
 MAIStatus_e eStatus = MAI_STATUS_UNSUPPORTED;

  if ((eDirection==MAICOMP_DIR_INPUT || eDirection==MAICOMP_DIR_OUTPUT) && uiPinID==0)
  {
    if (!pMediaType)
      eStatus=MAI_STATUS_BADARG;
    else
    {
      MAIMediaTypeVideo_t *pVideoInfo=(MAIMediaTypeVideo_t *)pMediaType;
      DPRINTF((M_TEXT("MPV4: MAICompGetMediaType() enter\n")));
      /* clear the info structure */
      memset(pVideoInfo, 0, sizeof(MAIMediaTypeVideo_t));
      /* fill in Common MediaType fields */
      pVideoInfo->MediaTypeInfo.uiSize=sizeof(MAIMediaType_t);
      pVideoInfo->MediaTypeInfo.eMType=MAI_MTYPE_VIDEO;
      if (eDirection==MAICOMP_DIR_OUTPUT)
        pVideoInfo->MediaTypeInfo.eMSubtype=MAI_MSUBTYPE_YUV420;
      else
        pVideoInfo->MediaTypeInfo.eMSubtype=MAI_MSUBTYPE_MPV4;
      pVideoInfo->MediaTypeInfo.uiFlags=0;
      if (!MAICompBase_IsState(hComp, (MAI_RUNSTATE_DESTROYING|MAI_RUNSTATE_NONE)))
      {
        /* fill in Video MediaType specific fields */
        pVideoInfo->uiFlags=0;
        pVideoInfo->eFrameRate=MAI_FRAMERATE_30; /* default */
        pVideoInfo->uiFinalMSubType=pVideoInfo->uiImageMSubType=MAI_MSUBTYPE_YUV420;
        pVideoInfo->uiFinalWidth=pVideoInfo->uiImageWidth=(unsigned int)pPInfo->m_iImageWidth; /* default */
        pVideoInfo->uiFinalHeight=pVideoInfo->uiImageHeight=(unsigned int)pPInfo->m_iImageHeight; /* default */
        pVideoInfo->uiFinalPARh=pVideoInfo->uiImagePARh=0; /* 0=unknown */
        pVideoInfo->uiFinalPARv=pVideoInfo->uiImagePARv=0; /* 0=unknown */
        pVideoInfo->uiExtraInfoSize=0;
      }
      DPRINTF((M_TEXT("MPV4: MAICompGetMediaType() done\n")));
      eStatus = MAI_STATUS_OK;
    }
  }
  return eStatus;
}

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

static MAICompHandleInfo_t _CompTemplate[_COMPCOUNT] =
{
  { /* CompInfo #1 - MPEG4 Video Decoder */  
    DECLARE_MAICOMPINFO(
      /* _eType */ MAICOMP_TYPE_DECODE|MAICOMP_TYPE_VIDEO,
      /* _uiCompVer */ 0x0001,
      /* _uiBuildVer */ BUILD_VERSION,
      /* _GUID */ MAICOMP_GUID(0x00, 0x10, 0xef, 0x00, 0x00, 0x00, 0x00, 0x27),
      /* _pszName */ "MPEG4DEC", /* _pszDesc */ "MPEG4 Video 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);
    MAICompBase_SetProcessBufferMode(hComp, COMP_PROCESSBUFMODE_NOBUF_SPIN);  /* input buffers will be read through callbacks */

    pPInfo->m_uiFrameCount=0;
    pPInfo->m_uiOutputFrameCount=0;
    pPInfo->m_bDecoderInit = M_FALSE;
    pPInfo->m_uiSyncSkippingThreshold = 90; /* allows a couple frames to drift, any more and audio stream may get breaks */
    pPInfo->m_uiSyncSkippingThresholdI = 360;

    MAIOSCriticalSecCreate(&pPInfo->m_hCSDecode);

    /* 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 */
    MAIOSCriticalSecDestroy(pPInfo->m_hCSDecode);

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