/usr/include/crtmpserver/thelib/streaming/ is in crtmpserver-dev 1.0~dfsg-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/crtmpserver/thelib/streaming/baseinfilestream.h
/usr/include/crtmpserver/thelib/streaming/baseinnetstream.h
/usr/include/crtmpserver/thelib/streaming/baseinstream.h
/usr/include/crtmpserver/thelib/streaming/baseoutfilestream.h
/usr/include/crtmpserver/thelib/streaming/baseoutnetstream.h
/usr/include/crtmpserver/thelib/streaming/baseoutstream.h
/usr/include/crtmpserver/thelib/streaming/basestream.h
/usr/include/crtmpserver/thelib/streaming/codectypes.h
/usr/include/crtmpserver/thelib/streaming/innetrawstream.h
/usr/include/crtmpserver/thelib/streaming/nalutypes.h
/usr/include/crtmpserver/thelib/streaming/outnetrawstream.h
/usr/include/crtmpserver/thelib/streaming/packetqueue.h
/usr/include/crtmpserver/thelib/streaming/streamcapabilities.h
/usr/include/crtmpserver/thelib/streaming/streamsmanager.h
/usr/include/crtmpserver/thelib/streaming/streamstypes.h