libdvbcsa: add new package

Libdvbcsa is a free implementation of the DVB Common Scrambling Algorithm DVB/CSA - with encryption and decryption capabilities.

OpenWrt packages like `tvheadend` and `minisatip` can benefit from it.

Signed-off-by: Rafał Dzięgiel <rafostar.github@gmail.com>

libs/libdvbcsa/Config.in

@@ -0,0 +1,23 @@
+config LIBDVBCSA_DEBUG
+	bool "Enable debugging"
+	default n
+
+config LIBDVBCSA_MMX
+	bool "Use MMX for bitslice"
+	depends on (!LIBDVBCSA_SSE2 && (x86_64 || i386))
+	default n
+
+config LIBDVBCSA_SSE2
+	bool "Use SSE2 for bitslice"
+	depends on (x86_64 || i386)
+	default y
+
+config LIBDVBCSA_ALTIVEC
+	bool "Use AltiVec for bitslice"
+	depends on (BROKEN && (powerpc || powerpc64))
+	default y
+
+config LIBDVBCSA_NEON
+	bool "Use ARM NEON for bitslice"
+	depends on (arm || aarch64)
+	default y if aarch64

libs/libdvbcsa/Makefile

@@ -0,0 +1,68 @@
+#
+# Copyright (C) 2020 Rafał Dzięgiel <rafostar.github@gmail.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libdvbcsa
+PKG_RELEASE:=1
+
+PKG_SOURCE_VERSION:=bc6c0b164a87ce05e9925785cc6fb3f54c02b026
+PKG_HASH:=2d761c9e094642f2c9aa7e66534c6147a59d0d0bc709ec0f2fdbb34bf020d8ec
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_SOURCE_URL:=https://code.videolan.org/videolan/libdvbcsa/-/archive/$(PKG_SOURCE_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_SOURCE_VERSION)
+
+PKG_MAINTAINER:=Rafał Dzięgiel <rafostar.github@gmail.com>
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=COPYING
+
+PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/libdvbcsa
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=DVB Common Scrambling Algorithm Library
+  URL:=https://www.videolan.org/developers/libdvbcsa.html
+endef
+
+define Package/libdvbcsa/description
+ Libdvbcsa is a free implementation of the DVB Common Scrambling
+ Algorithm DVB/CSA - with encryption and decryption capabilities.
+endef
+
+define Package/libdvbcsa/config
+  menu "Configuration"
+  depends on PACKAGE_libdvbcsa
+  source "$(SOURCE)/Config.in"
+  endmenu
+endef
+
+CONFIGURE_ARGS += \
+	--$(if $(CONFIG_LIBDVBCSA_DEBUG),en,dis)able-debug \
+	--$(if $(CONFIG_LIBDVBCSA_MMX),en,dis)able-mmx \
+	--$(if $(CONFIG_LIBDVBCSA_SSE2),en,dis)able-sse2 \
+	--$(if $(CONFIG_LIBDVBCSA_ALTIVEC),en,dis)able-altivec \
+	--$(if $(CONFIG_LIBDVBCSA_NEON),en,dis)able-neon
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/dvbcsa
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/dvbcsa/*.h $(1)/usr/include/dvbcsa/
+
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/*.so* $(1)/usr/lib/
+endef
+
+define Package/libdvbcsa/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdvbcsa.so.* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libdvbcsa))