I'm sorry ,my englishi is poor.this my question.
I use AEECLSID_MEDIAPHR interface to play spf sound.But when resume IMedia_play = 13(EBADSTATE).

//cerate interface
ISHELL_CreateInstance(m_pIShell, AEECLSID_MEDIAPHR, (void **)&m_media[MEDIA_SE]);
IMEDIA_SetMediaData(m_media[MEDIA_SE], &mediaData[MEDIA_SE]);
IMEDIA_RegisterNotify(m_media[MEDIA_SE], (PFNMEDIANOTIFY)Media::MediaNotifySE, (void*)this);
IMEDIA_Seek(m_media[MEDIA_SE], MM_SEEK_CURRENT, m_nSeekMS_SE);
//result = 13
result = IMEDIA_Play(m_media[MEDIA_SE]);

this question only occur in W41CA.W32s and W44S is good.
thank you very much.help me.