Added experimental VLC plugin

Plugin is made for VLC 2.2.2 Weatherwax (pre-installed in Linux Mint 18.3)

Existing issues:
- No ability to change codec properties yet, this thing is WIP
- By unknown reason, resulted sound has different (RANDOM) sample rate which is different from 44100 Hz

1 files changed, 92 insertions, 0 deletions

diff --git a/cmake/FindLIBVLC.cmake b/cmake/FindLIBVLC.cmake
new file mode 100644
index 0000000..abbfb6c
--- /dev/null
+++ b/cmake/FindLIBVLC.cmake
@@ -0,0 +1,92 @@
+
+# CMake module to search for LIBVLC (VLC library)
+# Authors: Rohit Yadav <rohityadav89@gmail.com>
+#          Harald Sitter <apachelogger@ubuntu.com>
+#
+# If it's found it sets LIBVLC_FOUND to TRUE
+# and following variables are set:
+#    LIBVLC_INCLUDE_DIR
+#    LIBVLC_LIBRARY
+#    LIBVLC_VERSION
+
+if(NOT LIBVLC_MIN_VERSION)
+    set(LIBVLC_MIN_VERSION "0.0")
+endif(NOT LIBVLC_MIN_VERSION)
+
+# find_path and find_library normally search standard locations
+# before the specified paths. To search non-standard paths first,
+# FIND_* is invoked first with specified paths and NO_DEFAULT_PATH
+# and then again with no specified paths to search the default
+# locations. When an earlier FIND_* succeeds, subsequent FIND_*s
+# searching for the same item do nothing.
+
+if (NOT WIN32)
+    find_package(PkgConfig)
+    pkg_check_modules(PC_LIBVLC libvlc)
+    set(LIBVLC_DEFINITIONS ${PC_LIBVLC_CFLAGS_OTHER})
+endif (NOT WIN32)
+
+#Put here path to custom location
+#example: /home/user/vlc/include etc..
+find_path(LIBVLC_INCLUDE_DIR vlc/vlc.h
+HINTS "$ENV{LIBVLC_INCLUDE_PATH}"
+PATHS
+    "$ENV{LIB_DIR}/include"
+    "$ENV{LIB_DIR}/include/vlc"
+    "/usr/include"
+    "/usr/include/vlc"
+    "/usr/local/include"
+    "/usr/local/include/vlc"
+    #mingw
+    c:/msys/local/include
+)
+find_path(LIBVLC_INCLUDE_DIR PATHS "${CMAKE_INCLUDE_PATH}/vlc" NAMES vlc.h 
+        HINTS ${PC_LIBVLC_INCLUDEDIR} ${PC_LIBVLC_INCLUDE_DIRS})
+
+#Put here path to custom location
+#example: /home/user/vlc/lib etc..
+find_library(LIBVLC_LIBRARY NAMES vlc libvlc
+HINTS "$ENV{LIBVLC_LIBRARY_PATH}" ${PC_LIBVLC_LIBDIR} ${PC_LIBVLC_LIBRARY_DIRS}
+PATHS
+    "$ENV{LIB_DIR}/lib"
+    #mingw
+    c:/msys/local/lib
+)
+find_library(LIBVLC_LIBRARY NAMES vlc libvlc)
+find_library(LIBVLCCORE_LIBRARY NAMES vlccore libvlccore
+HINTS "$ENV{LIBVLC_LIBRARY_PATH}" ${PC_LIBVLC_LIBDIR} ${PC_LIBVLC_LIBRARY_DIRS}
+PATHS
+    "$ENV{LIB_DIR}/lib"
+    #mingw
+    c:/msys/local/lib
+)
+find_library(LIBVLCCORE_LIBRARY NAMES vlccore libvlccore)
+
+set(LIBVLC_VERSION ${PC_LIBVLC_VERSION})
+if (NOT LIBVLC_VERSION)
+# TODO: implement means to detect version on windows (vlc --version && regex? ... ultimately we would get it from a header though...)
+endif (NOT LIBVLC_VERSION)
+
+if (LIBVLC_INCLUDE_DIR AND LIBVLC_LIBRARY AND LIBVLCCORE_LIBRARY)
+set(LIBVLC_FOUND TRUE)
+endif (LIBVLC_INCLUDE_DIR AND LIBVLC_LIBRARY AND LIBVLCCORE_LIBRARY)
+
+if (LIBVLC_VERSION STRLESS "${LIBVLC_MIN_VERSION}")
+    message(WARNING "LibVLC version not found: version searched: ${LIBVLC_MIN_VERSION}, found ${LIBVLC_VERSION}\nUnless you are on Windows this is bound to fail.")
+# TODO: only activate once version detection can be garunteed (which is currently not the case on windows)
+#     set(LIBVLC_FOUND FALSE)
+endif (LIBVLC_VERSION STRLESS "${LIBVLC_MIN_VERSION}")
+
+if (LIBVLC_FOUND)
+    if (NOT LIBVLC_FIND_QUIETLY)
+        message(STATUS "Found LibVLC include-dir path: ${LIBVLC_INCLUDE_DIR}")
+        message(STATUS "Found LibVLC library path:${LIBVLC_LIBRARY}")
+        message(STATUS "Found LibVLCcore library path:${LIBVLCCORE_LIBRARY}")
+        message(STATUS "Found LibVLC version: ${LIBVLC_VERSION} (searched for: ${LIBVLC_MIN_VERSION})")
+    endif (NOT LIBVLC_FIND_QUIETLY)
+else (LIBVLC_FOUND)
+    if (LIBVLC_FIND_REQUIRED)
+        message(FATAL_ERROR "Could not find LibVLC")
+    endif (LIBVLC_FIND_REQUIRED)
+endif (LIBVLC_FOUND)
+