[packages] add libmpeg2 (closes: #8317, thanks to W. Michael Petullo)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@28534 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/libmpeg2/Makefile

@@ -0,0 +1,60 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libmpeg2
+PKG_VERSION:=0.5.1
+PKG_RELEASE:=1
+
+PKG_SOURCE:=libmpeg2-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://libmpeg2.sourceforge.net/files/
+PKG_MD5SUM:=0f92c7454e58379b4a5a378485bbd8ef
+
+PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/libmpeg2
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=MPEG-1 & -2 decoding library
+  URL:=http://libmpeg2.sourceforge.net/
+  MAINTAINER:=W. Michael Petullo <mike@flyn.org>
+endef
+
+define Package/libmpeg2/decription
+  Libmpeg2 is a library for decoding MPEG-1 and MPEG-2 video streams
+endef
+
+CONFIGURE_ARGS += \
+	--disable-sdl \
+	--without-x \
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include
+	$(CP) \
+		$(PKG_INSTALL_DIR)/usr/include/mpeg2dec \
+		$(1)/usr/include/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) \
+		$(PKG_INSTALL_DIR)/usr/lib/libmpeg2{,convert}.{a,so*} \
+		$(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+	$(INSTALL_DATA) \
+		$(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libmpeg2{,convert}.pc \
+		$(1)/usr/lib/pkgconfig/
+endef
+
+define Package/libmpeg2/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) \
+		$(PKG_INSTALL_DIR)/usr/lib/libmpeg2{,convert}.so.* \
+		$(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libmpeg2))

libs/libmpeg2/patches/101-ppc_no_altivec.patch

@@ -0,0 +1,66 @@
+--- a/libmpeg2/motion_comp_altivec.c
++++ b/libmpeg2/motion_comp_altivec.c
+@@ -25,6 +25,8 @@
+ 
+ #ifdef ARCH_PPC
+ 
++#ifdef __I_WANT_ALTIVEC__
++
+ #ifdef HAVE_ALTIVEC_H
+ #include <altivec.h>
+ #endif
+@@ -1007,4 +1009,6 @@ static void MC_avg_xy_8_altivec (uint8_t
+ 
+ MPEG2_MC_EXTERN (altivec)
+ 
++#endif /* __I_WANT_ALTIVEC__ */
++
+ #endif
+--- a/libmpeg2/idct_altivec.c
++++ b/libmpeg2/idct_altivec.c
+@@ -25,6 +25,8 @@
+ 
+ #ifdef ARCH_PPC
+ 
++#ifdef __I_WANT_ALTIVEC__
++
+ #ifdef HAVE_ALTIVEC_H
+ #include <altivec.h>
+ #endif
+@@ -283,4 +285,6 @@ void mpeg2_idct_altivec_init (void)
+     }
+ }
+ 
++#endif /* __I_WANT_ALTIVEC__ */
++
+ #endif
+--- a/libmpeg2/idct.c
++++ b/libmpeg2/idct.c
+@@ -251,11 +251,13 @@ void mpeg2_idct_init (uint32_t accel)
+     } else
+ #endif
+ #ifdef ARCH_PPC
++#ifdef __I_WANT_ALTIVEC__
+     if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
+ 	mpeg2_idct_copy = mpeg2_idct_copy_altivec;
+ 	mpeg2_idct_add = mpeg2_idct_add_altivec;
+ 	mpeg2_idct_altivec_init ();
+     } else
++#endif /* __I_WANT_ALTIVEC__ */
+ #endif
+ #ifdef ARCH_ALPHA
+     if (accel & MPEG2_ACCEL_ALPHA_MVI) {
+--- a/libmpeg2/motion_comp.c
++++ b/libmpeg2/motion_comp.c
+@@ -43,9 +43,11 @@ void mpeg2_mc_init (uint32_t accel)
+     else
+ #endif
+ #ifdef ARCH_PPC
++#ifdef __I_WANT_ALTIVEC__
+     if (accel & MPEG2_ACCEL_PPC_ALTIVEC)
+ 	mpeg2_mc = mpeg2_mc_altivec;
+     else
++#endif /* __I_WANT_ALTIVEC__ */
+ #endif
+ #ifdef ARCH_ALPHA
+     if (accel & MPEG2_ACCEL_ALPHA)