[ptxdist] [PATCH] libmediastreamer: a multimedia streaming engine for linphone

[Juergen Beisert <jbe@pengutronix.de>]

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>

diff --git a/patches/mediastreamer-2.8.0/add_floating_cap_guessed.diff b/patches/mediastreamer-2.8.0/add_floating_cap_guessed.diff
new file mode 100644
index 0000000..e2d69b3
--- /dev/null
+++ b/patches/mediastreamer-2.8.0/add_floating_cap_guessed.diff
@@ -0,0 +1,55 @@
+From: Juergen Beisert <jbe@pengutronix.de>
+Subject: Read floating/fixed point arithemetics from the compiler
+
+The user can still force fixed or floating point usage.
+
+Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
+---
+ configure.ac |   33 +++++++++++++++++++--------------
+ 1 file changed, 19 insertions(+), 14 deletions(-)
+
+Index: mediastreamer-2.8.0/configure.ac
+===================================================================
+--- mediastreamer-2.8.0.orig/configure.ac
++++ mediastreamer-2.8.0/configure.ac
+@@ -224,21 +224,26 @@ AC_ARG_ENABLE(fixed_point,
+       esac],[fixed_point=guess])
+ 
+ if test "$fixed_point" = "guess" ; then
+-	AC_MSG_CHECKING([whether fixed point arithmetic is preferred])
+-	case ${target_cpu}${host_cpu} in
+-		*bfin*)
+-			fixed_point=true
+-		;;
+-		*arm*)
+-			fixed_point=true
+-		;;
+-		*)
+-			fixed_point=false
+-		;;
+-	esac
+-	AC_MSG_RESULT([$fixed_point])
++#
++# If the compiler comes with software float support, we guess using
++# fixed point is more performant on this architecture
++#
++AC_MSG_CHECKING(for fix point arithmetics restriction)
++AC_COMPILE_IFELSE(
++	[AC_LANG_PROGRAM([[]],
++	[[
++#define HARD_FP_SUPPORT 1
++#if defined(__SOFTFP__)
++# undef HARD_FP_SUPPORT
++#endif
++int foo = HARD_FP_SUPPORT;
++	]])],
++	[fixed_point=false],
++	[fixed_point=true],
++	[fixed point arithmetics])
++AC_MSG_RESULT(${fixed_point})
++
+ fi
+-  
+ 
+ if test x$fixed_point = xtrue ; then
+ 	MS_PUBLIC_CFLAGS="$MS_PUBLIC_CFLAGS -DMS_FIXED_POINT"
diff --git a/patches/mediastreamer-2.8.0/autogen.sh b/patches/mediastreamer-2.8.0/autogen.sh
new file mode 120000
index 0000000..9f8a4cb
--- /dev/null
+++ b/patches/mediastreamer-2.8.0/autogen.sh
@@ -0,0 +1 @@
+../autogen.sh
\ No newline at end of file
diff --git a/patches/mediastreamer-2.8.0/series b/patches/mediastreamer-2.8.0/series
new file mode 100644
index 0000000..2f2bc7e
--- /dev/null
+++ b/patches/mediastreamer-2.8.0/series
@@ -0,0 +1 @@
+add_floating_cap_guessed.diff
diff --git a/rules/libmediastreamer.in b/rules/libmediastreamer.in
new file mode 100644
index 0000000..3aa990a
--- /dev/null
+++ b/rules/libmediastreamer.in
@@ -0,0 +1,56 @@
+## SECTION=system_libraries
+
+menuconfig LIBMEDIASTREAMER
+	tristate
+	prompt "libmediastreamer              "
+	select LIBORTP
+	select SPEEX if LIBMEDIASTREAMER_SPEEX
+	select ALSA_LIB if LIBMEDIASTREAMER_ALSA
+	select LIBC_PTHREAD
+	select LIBC_M
+	select LIBC_RT
+	select LIBC_DL
+	select GCCLIBS_GCC_S
+	select GCCLIBS_CXX
+# this only to re-generate the configure.ac
+	select HOST_GETTEXT
+	select HOST_INTLTOOL
+	help
+	  Multimedia streaming engine for linphone
+
+if LIBMEDIASTREAMER
+
+config LIBMEDIASTREAMER_DEBUG
+	bool
+	prompt "enable debug"
+	help
+	  Make the library larger and more noisy.
+
+config LIBMEDIASTREAMER_ALSA
+	bool
+	default y
+	help
+	  Only *with* ALSA tested yet.
+
+config LIBMEDIASTREAMER_OSS
+	bool
+	help
+	  Only *without* OSS tested yet.
+
+config LIBMEDIASTREAMER_SPEEX
+	bool
+	default y
+	help
+	  Only *with* SPEEX tested yet.
+
+config LIBMEDIASTREAMER_FFMPEG
+	bool
+	help
+	  Only *without* ffmpeg tested yet.
+
+config LIBMEDIASTREAMER_FIXED_FPOINT
+	bool
+	help
+	  Force using of fixed point arithmetic
+
+endif
diff --git a/rules/libmediastreamer.make b/rules/libmediastreamer.make
new file mode 100644
index 0000000..7cf9df8
--- /dev/null
+++ b/rules/libmediastreamer.make
@@ -0,0 +1,96 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2011 by Juergen Beisert <jbe@pengutronix.de>
+#
+# See CREDITS for details about who has contributed to this project.
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# We provide this package
+#
+PACKAGES-$(PTXCONF_LIBMEDIASTREAMER) += libmediastreamer
+
+#
+# Paths and names
+#
+LIBMEDIASTREAMER_VERSION:= 2.8.0
+LIBMEDIASTREAMER_MD5	:= e5744a02f9d3788df4bde730bb00d832
+LIBMEDIASTREAMER	:= mediastreamer-$(LIBMEDIASTREAMER_VERSION)
+LIBMEDIASTREAMER_SUFFIX	:= tgz
+LIBMEDIASTREAMER_URL	:= http://download.savannah.gnu.org/releases/linphone/mediastreamer/$(LIBMEDIASTREAMER).$(LIBMEDIASTREAMER_SUFFIX)
+LIBMEDIASTREAMER_SOURCE	:= $(SRCDIR)/$(LIBMEDIASTREAMER).$(LIBMEDIASTREAMER_SUFFIX)
+LIBMEDIASTREAMER_DIR	:= $(BUILDDIR)/$(LIBMEDIASTREAMER)
+LIBMEDIASTREAMER_LICENSE:= GPLv2
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+#
+# autoconf
+#
+LIBMEDIASTREAMER_CONF_TOOL	:= autoconf
+LIBMEDIASTREAMER_CONF_OPT	:= $(CROSS_AUTOCONF_USR) \
+	--disable-strict \
+	$(GLOBAL_IPV6_OPTION) \
+	--enable-shared \
+	--disable-static \
+	--$(call ptx/endis, PTXCONF_LIBMEDIASTREAMER_DEBUG)-debug \
+	--disable-nls \
+	--disable-rpath \
+	--$(call ptx/endis, PTXCONF_LIBMEDIASTREAMER_OSS)-oss \
+	--$(call ptx/endis, PTXCONF_LIBMEDIASTREAMER_ALSA)-alsa \
+	--disable-artsc \
+	--disable-portaudio \
+	--disable-macsnd \
+	--disable-macaqsnd \
+	--disable-pulseaudio \
+	--$(call ptx/endis, PTXCONF_LIBMEDIASTREAMER_SPEEX)-speex \
+	--disable-gsm \
+	--disable-spandsp \
+	--disable-video \
+	--$(call ptx/endis, PTXCONF_LIBMEDIASTREAMER_FFMPEG)-ffmpeg \
+	--disable-sdl \
+	--disable-x11 \
+	--disable-xv \
+	--disable-theora \
+	--disable-vp8 \
+	--enable-external-ortp \
+	--disable-libv4l1 \
+	--disable-libv4l2 \
+	--disable-tests \
+	ac_cv_path_DOXYGEN=false
+
+# force fixed point or let the configure guess it
+# enable = force fixed point
+# disable = force floating point
+# "not given" = guess from compiler's settings
+ifdef PTXCONF_LIBMEDIASTREAMER_FIXED_FPOINT
+LIBMEDIASTREAMER_CONF_OPT += --enable-fixed-point
+endif
+
+# ----------------------------------------------------------------------------
+# Target-Install
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/libmediastreamer.targetinstall:
+	@$(call targetinfo)
+
+	@$(call install_init, libmediastreamer)
+	@$(call install_fixup, libmediastreamer,PRIORITY,optional)
+	@$(call install_fixup, libmediastreamer,SECTION,base)
+	@$(call install_fixup, libmediastreamer,AUTHOR,"Juergen Beisert <jbe@pengutronix.de>")
+	@$(call install_fixup, libmediastreamer,DESCRIPTION,"multimedia streaming engine")
+
+	@$(call install_copy, libmediastreamer, 0, 0, 0755, /usr/lib/mediastreamer)
+	@$(call install_copy, libmediastreamer, 0, 0, 0755, /usr/lib/mediastreamer/plugins)
+	@$(call install_lib, libmediastreamer, 0, 0, 0644, libmediastreamer)
+
+	@$(call install_finish, libmediastreamer)
+
+	@$(call touch)
+
+# vim: syntax=make

-- 
Pengutronix e.K.                              | Juergen Beisert             |
Linux Solutions for Science and Industry      | http://www.pengutronix.de/  |

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