Merge pull request #308 from cmusphinx/258-resurrect-gstreamer-support

Resurrect GStreamer support

Author: dhdaines

CMakeLists.txt

@@ -111,6 +111,11 @@ else()
   install(DIRECTORY include TYPE INCLUDE)
   install(DIRECTORY ${CMAKE_BINARY_DIR}/include TYPE INCLUDE)
   install(FILES ${CMAKE_BINARY_DIR}/pocketsphinx.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+
+  option(BUILD_GSTREAMER "Build GStreamer plugin" OFF)
+  if(BUILD_GSTREAMER)
+    add_subdirectory(gst)
+  endif()
 endif()
 
 # Can print this at the end, just to know what it was

MANIFEST.in

@@ -15,6 +15,7 @@ include setup.cfg
 include setup.py
 include sphinx_config.h.in
 recursive-include cython *
+recursive-include gst *
 recursive-include docs *
 recursive-include doxygen *
 recursive-include examples *

gst/CMakeLists.txt

@@ -0,0 +1,21 @@
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GOBJECT gobject-2.0 REQUIRED)
+pkg_check_modules(GSTREAMER gstreamer-1.0 gstreamer-base-1.0)
+add_library(gstpocketsphinx SHARED gstpocketsphinx.c)
+set_property(TARGET pocketsphinx PROPERTY POSITION_INDEPENDENT_CODE on)
+target_link_libraries(gstpocketsphinx PUBLIC
+  pocketsphinx
+  ${GSTREAMER_LIBRARIES}
+  ${GOBJECT_LIBRARIES}
+  )
+target_include_directories(
+  gstpocketsphinx PRIVATE ${CMAKE_BINARY_DIR}
+  gstpocketsphinx PRIVATE ${CMAKE_SOURCE_DIR}/src
+  gstpocketsphinx PUBLIC ${CMAKE_SOURCE_DIR}/include
+  gstpocketsphinx PUBLIC ${CMAKE_BINARY_DIR}/include
+  gstpocketsphinx INTERFACE ${CMAKE_SOURCE_DIR}/include
+  gstpocketsphinx INTERFACE ${CMAKE_BINARY_DIR}/include
+  gstpocketsphinx PUBLIC ${GSTREAMER_INCLUDE_DIRS} ${GOBJECT_INCLUDE_DIRS}
+  )
+message("Installing GStreamer plugin to ${CMAKE_INSTALL_FULL_LIBDIR}/gstreamer-1.0")
+install(TARGETS gstpocketsphinx LIBRARY DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/gstreamer-1.0)