添加c接口及测试程序

c_wrapper/cmake/FindX264.cmake

@@ -0,0 +1,57 @@
+############################################################################
+# FindX264.txt
+# Copyright (C) 2015  Belledonne Communications, Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+#
+# - Find the x264 include file and library
+#
+#  X264_FOUND - system has x264
+#  X264_INCLUDE_DIRS - the x264 include directory
+#  X264_LIBRARIES - The libraries needed to use x264
+
+include(CMakePushCheckState)
+include(CheckCXXSymbolExists)
+
+set(_X264_ROOT_PATHS
+	${CMAKE_INSTALL_PREFIX}
+)
+
+find_path(X264_INCLUDE_DIRS
+	NAMES x264.h
+	HINTS _X264_ROOT_PATHS
+	PATH_SUFFIXES include
+)
+if(X264_INCLUDE_DIRS)
+	set(HAVE_X264_H 1)
+endif()
+
+find_library(X264_LIBRARIES
+	NAMES x264
+	HINTS _X264_ROOT_PATHS
+	PATH_SUFFIXES bin lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(X264
+	DEFAULT_MSG
+	X264_INCLUDE_DIRS X264_LIBRARIES HAVE_X264_H
+)
+
+mark_as_advanced(X264_INCLUDE_DIRS X264_LIBRARIES HAVE_X264_H)