On the FTV1 (AFTB), if you try to create a decoder instance with KEY_PUSH_BLANK_BUFFERS_ON_STOP=1, it always fails:
E/ACodec: native window could not be authenticated Failed to allocate buffers after transitioning to IDLE state (error 0xffffffff) signalError(omxError 0x80001001, internalError -1) E/MediaCodec: Codec reported err 0xffffffff, actionCode 0, while in state 5