3329 extern EXPORT_C MP4Err MP4ParseGetID32Location(MP4Handle apihandle, mp4_u32& location)

  3330     { 

  3331     MP4HandleImp handle = (MP4HandleImp)apihandle;

  3332 

  3333     if (!handle)

  3334         {

  3335         return MP4_ERROR;

  3336         }

  3337 

  3338     if (!handle->metaDataComplete)

  3339         {

  3340         switch (metaDataAvailable(handle))

  3341             {

  3342             case 0:

  3343                 return MP4_NOT_AVAILABLE;

  3344             case 1:

  3345                 handle->cafError = KErrNone;

  3346                 if (readMetaData(handle) < 0)

  3347                     {

  3348 			      	// Reading of meta data failed, so free up any allocated memory

  3349 			  		freeFTYP(handle->ftyp);

  3350 			  		handle->ftyp = NULL;

  3351 					freeMOOV(handle->moov);

  3352 					handle->moov = NULL;

  3353                     if (handle->cafError != KErrNone)

  3354                         {// if CAF/DRM caused the error return it instead of generic errorcode.

  3355                         return handle->cafError;

  3356                         }

  3357                     else

  3358                         {

  3359                         return MP4_INVALID_INPUT_STREAM;

  3360                         }

  3361                     }

  3362                 handle->metaDataComplete = MP4TRUE;

  3363                 break;

  3364 

  3365 		    case -2:

  3366                 // Reading of FTYP meta data failed, so free up any allocated memory

  3367                 freeFTYP(handle->ftyp);

  3368                 handle->ftyp = NULL;

  3369                 return MP4_ERROR;

  3370 		      

  3371             case -1:

  3372             default:

  3373                 return MP4_ERROR;

  3374             }

  3375         }    

  3376 

  3377     if (!handle->moov)

  3378         return MP4_ERROR;

  3379 

  3380     metaAtom* meta = handle->moov->meta;

  3381     if (!meta)

  3382         return MP4_NOT_AVAILABLE;

  3383 

  3384     if (!meta->atomhdr)

  3385         return MP4_NOT_AVAILABLE;

  3386     

  3387     if(meta->ID32)

  3388         {

  3389         location = meta->ID32->atomcontentloc;     

  3390         }

  3391     else

  3392         {

  3393         return MP4_NOT_AVAILABLE;

  3394         }    

  3395 

  3396     return MP4_OK;

  3397     }