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

[Michael Olbrich <m.olbrich@pengutronix.de>]

On Wed, Apr 04, 2012 at 10:07:30AM +0200, Juergen Beisert wrote:
> 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

2.8.2 maybe?

> +LIBMEDIASTREAMER_MD5	:= e5744a02f9d3788df4bde730bb00d832
> +LIBMEDIASTREAMER	:= mediastreamer-$(LIBMEDIASTREAMER_VERSION)
> +LIBMEDIASTREAMER_SUFFIX	:= tgz

tar.gz

Michael

> +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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> 

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