two usbcamera record for 5 mins have this error

[chenxi0203]

java.lang.IllegalStateException at android.media.MediaCodec.native_dequeueOutputBuffer(Native Method) at android.media.MediaCodec.dequeueOutputBuffer(MediaCodec.java:2570) at com.serenegiant.encoder.MediaEncoder.drain(MediaEncoder.java:354) at com.serenegiant.encoder.MediaEncoder.run(MediaEncoder.java:158) at java.lang.Thread.run(Thread.java:761)