Android h264硬件编码问题

将libRtmp拉流后的数据解码，再重新编码时，调用下面的方法，出现异常.

int outputIndex = mEncoder.dequeueOutputBuffer(info, 5000);

日志如下

12-11 13:43:44.930 1278-1480/com.ifreecomm.erp E/ACodec: OMX/mediaserver died, signalling error!
12-11 13:43:44.930 1278-1480/com.ifreecomm.erp E/ACodec: signalError(omxError 0x8000100d, internalError -32)
12-11 13:43:44.930 1278-1479/com.ifreecomm.erp E/MediaCodec: Codec reported err 0xffffffe0, actionCode 0, while in state 6
12-11 13:43:44.930 1278-1461/com.ifreecomm.erp W/System.err: java.lang.IllegalStateException
12-11 13:43:44.930 1278-1432/com.ifreecomm.erp E/ACodec: OMX/mediaserver died, signalling error!
12-11 13:43:44.930 1278-1432/com.ifreecomm.erp E/ACodec: signalError(omxError 0x8000100d, internalError -32)
12-11 13:43:44.930 1278-1432/com.ifreecomm.erp E/MediaCodec: Codec reported err 0xffffffe0, actionCode 0, while in state 6
12-11 13:43:44.931 1278-1438/com.ifreecomm.erp E/MultiDecodeEditEncoder: run:--------reEncode exception!-------
12-11 13:43:44.932 1278-1461/com.ifreecomm.erp W/System.err: at android.media.MediaCodec.native_dequeueOutputBuffer(Native Method)
12-11 13:43:44.932 1278-1461/com.ifreecomm.erp W/System.err: at android.media.MediaCodec.dequeueOutputBuffer(MediaCodec.java:2570)