Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
lv2core-devel
pkgconfig(lv2)
pkgconfig(lv2core)
lv2-devel
lv2-devel(x86-64)

Requires :

rpmlib(PayloadIsXz) <= 5.2-1
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(VersionedDependencies) <= 3.0.3-1
pkgconfig
lv2 = 1.12.0

Content of RPM :
/usr/include/lv2
/usr/include/lv2.h
/usr/include/lv2/lv2plug.in
/usr/include/lv2/lv2plug.in/ns
/usr/include/lv2/lv2plug.in/ns/ext
/usr/include/lv2/lv2plug.in/ns/ext/atom
/usr/include/lv2/lv2plug.in/ns/ext/buf-size
/usr/include/lv2/lv2plug.in/ns/ext/data-access
/usr/include/lv2/lv2plug.in/ns/ext/dynmanifest
/usr/include/lv2/lv2plug.in/ns/ext/event
/usr/include/lv2/lv2plug.in/ns/ext/instance-access
/usr/include/lv2/lv2plug.in/ns/ext/log
/usr/include/lv2/lv2plug.in/ns/ext/midi
/usr/include/lv2/lv2plug.in/ns/ext/morph
/usr/include/lv2/lv2plug.in/ns/ext/options
/usr/include/lv2/lv2plug.in/ns/ext/parameters
/usr/include/lv2/lv2plug.in/ns/ext/patch
/usr/include/lv2/lv2plug.in/ns/ext/port-groups
/usr/include/lv2/lv2plug.in/ns/ext/port-props
/usr/include/lv2/lv2plug.in/ns/ext/presets
/usr/include/lv2/lv2plug.in/ns/ext/resize-port
/usr/include/lv2/lv2plug.in/ns/ext/state
/usr/include/lv2/lv2plug.in/ns/ext/time
/usr/include/lv2/lv2plug.in/ns/ext/uri-map
/usr/include/lv2/lv2plug.in/ns/ext/urid
/usr/include/lv2/lv2plug.in/ns/ext/worker
/usr/include/lv2/lv2plug.in/ns/extensions
/usr/include/lv2/lv2plug.in/ns/extensions/ui
/usr/include/lv2/lv2plug.in/ns/extensions/units
/usr/include/lv2/lv2plug.in/ns/lv2core
There is 31 files more in these RPM.