contrib: add bitstream

contrib/src/bitstream/rules.mak

+BITSTREAM_HASH := 66f925a6c7bf0879f1d942328f3b131914b94648
+BITSTREAM_VERSION := git-$(BITSTREAM_HASH)
+BITSTREAM_GITURL := https://code.videolan.org/videolan/bitstream.git
+
+PKGS += bitstream
+
+$(TARBALLS)/bitstream-$(BITSTREAM_VERSION).tar.xz:
+	$(call download_git,$(BITSTREAM_GITURL),,$(BITSTREAM_HASH))
+
+.sum-bitstream: bitstream-$(BITSTREAM_VERSION).tar.xz
+	$(call check_githash,$(BITSTREAM_HASH))
+	touch $@
+
+bitstream: bitstream-$(BITSTREAM_VERSION).tar.xz .sum-bitstream
+	rm -rf $@-$(BITSTREAM_VERSION) $@
+	mkdir -p $@-$(BITSTREAM_VERSION)
+	tar xvf "$<" --strip-components=1 -C $@-$(BITSTREAM_VERSION)
+	$(MOVE)
+
+.bitstream: bitstream
+	cd $< && PREFIX=$(PREFIX) $(MAKE) install
+	touch $@