Results 3 issues of Juan Vallejo

**Before** ``` $ go build examples/transcoder.go # github.com/imkira/go-libav/avcodec avcodec/avcodec.go: In function ‘_cgo_a038601aec5c_Cfunc_av_bitstream_filter_close’: avcodec/avcodec.go:162:2: warning: ‘av_bitstream_filter_close’ is deprecated [-Wdeprecated-declarations] FlagLowDelay Flags = C.CODEC_FLAG_LOW_DELAY ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from avcodec/avcodec.go:4:0: /usr/include/ffmpeg/libavcodec/avcodec.h:5836:6: note:...

Calling `splice` on `[]Lib.detached` [here](https://github.com/juanvallejo/Lib.js/blob/master/Lib.js#L183) changes the size of the array, and index positions of every one of its stored objects after the item that was spliced, potentially causing subsequent...

bug