java - When I put ParcelFileDescriptor into my MediaExtractor setDataSource(),cause IOException -


i video data datagramsocket,and it's byte[] know,and can't decode byte[] exactly. have used mediaextractor work. here code:

@override public void run() {     eosreceived = false;     try {         socket.receive(packet);         parcelfiledescriptor pfd = parcelfiledescriptor.fromdatagramsocket(socket);         filedescriptor fd = pfd.getfiledescriptor();         mextractor.setdatasource(fd, 0, packet.getdata().length);         (int = 0; < mextractor.gettrackcount(); i++) {             mediaformat format = mextractor.gettrackformat(i);             string mime = format.getstring(mediaformat.key_mime);             if (mime.startswith(video)) {                 mextractor.selecttrack(i);                 mdecoder = mediacodec.createdecoderbytype(mime);                 try {                     log.d(tag, "format : " + format);                     mdecoder.configure(format, surface, null, 0 /* decoder */);                  } catch (illegalstateexception e) {                     log.e(tag, "codec '" + mime + "' failed configuration. " + e);                 }                 mdecoder.start();                 break;             }         }     } catch (exception e) {         e.printstacktrace();     }

it go catch when code run on mextractor.setdatasource(fd, 0, packet.getdata().length); , exception java.io.ioexception: failed instantiate extractor. have no idea solve problem.... way.it's work yesterday morning,but since yesterday afternoon,it doesn't work more .... please help,thanks lot :)


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