SUMMARY = "ALSA Plugins"
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DESCRIPTION = "Used to create virtual devices that can be used like normal \
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hardware devices but cause extra processing of the sound stream to take place. \
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They are used while configuring ALSA in the .asoundrc file."
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HOMEPAGE = "http://alsa-project.org"
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BUGTRACKER = "http://alsa-project.org/main/index.php/Bug_Tracking"
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SECTION = "multimedia"
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# The primary license of alsa-plugins is LGPLv2.1.
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#
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# m4/attributes.m4 is licensed under GPLv2+. m4/attributes.m4 is part of the
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# build system, and doesn't affect the licensing of the build result.
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#
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# The samplerate plugin source code is licensed under GPLv2+ to be consistent
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# with the libsamplerate license. However, if the licensee has a commercial
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# license for libsamplerate, the samplerate plugin may be used under the terms
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# of LGPLv2.1 like the rest of the plugins.
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LICENSE = "LGPLv2.1 & GPLv2+"
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LIC_FILES_CHKSUM = "file://COPYING;md5=a916467b91076e631dd8edb7424769c7 \
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file://COPYING.GPL;md5=59530bdf33659b29e73d4adb9f9f6552 \
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file://m4/attributes.m4;endline=33;md5=bb8c6b2a67ac15156961e242fec33e50 \
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file://rate/rate_samplerate.c;endline=35;md5=fd77bce85f4a338c0e8ab18430b69fae \
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"
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SRC_URI = "https://www.alsa-project.org/files/pub/plugins/${BP}.tar.bz2"
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SRC_URI[sha256sum] = "42eef98433d2c8d11f1deeeb459643619215a75aa5a5bbdd06a794e4c413df20"
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DEPENDS += "alsa-lib"
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inherit autotools pkgconfig
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PACKAGECONFIG ??= "\
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samplerate \
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speexdsp \
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${@bb.utils.filter('DISTRO_FEATURES', 'pulseaudio', d)} \
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"
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PACKAGECONFIG[aaf] = "--enable-aaf,--disable-aaf,avtp"
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PACKAGECONFIG[jack] = "--enable-jack,--disable-jack,jack"
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PACKAGECONFIG[libav] = "--enable-libav,--disable-libav,libav"
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PACKAGECONFIG[maemo-plugin] = "--enable-maemo-plugin,--disable-maemo-plugin"
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PACKAGECONFIG[maemo-resource-manager] = "--enable-maemo-resource-manager,--disable-maemo-resource-manager,dbus"
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PACKAGECONFIG[pulseaudio] = "--enable-pulseaudio,--disable-pulseaudio,pulseaudio"
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PACKAGECONFIG[samplerate] = "--enable-samplerate,--disable-samplerate,libsamplerate0"
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PACKAGECONFIG[speexdsp] = "--with-speex=lib,--with-speex=no,speexdsp"
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PACKAGES += "${@bb.utils.contains('PACKAGECONFIG', 'pulseaudio', 'alsa-plugins-pulseaudio-conf', '', d)}"
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PACKAGES_DYNAMIC = "^libasound-module-.*"
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# The alsa-plugins package doesn't itself contain anything, it just depends on
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# all built plugins.
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FILES:${PN} = ""
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ALLOW_EMPTY:${PN} = "1"
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do_install:append() {
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rm -f ${D}${libdir}/alsa-lib/*.la
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if [ "${@bb.utils.contains('PACKAGECONFIG', 'pulseaudio', 'yes', 'no', d)}" = "yes" ]; then
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# We use the example as is. Upstream installs the file under
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# /etc, but we move it under /usr/share and add a symlink under
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# /etc to be consistent with other installed configuration
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# files.
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mv ${D}${sysconfdir}/alsa/conf.d/99-pulseaudio-default.conf.example ${D}${datadir}/alsa/alsa.conf.d/99-pulseaudio-default.conf
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ln -s ${datadir}/alsa/alsa.conf.d/99-pulseaudio-default.conf ${D}${sysconfdir}/alsa/conf.d/99-pulseaudio-default.conf
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fi
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}
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python populate_packages:prepend() {
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plugindir = d.expand('${libdir}/alsa-lib/')
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packages = " ".join(do_split_packages(d, plugindir, r'^libasound_module_(.*)\.so$', 'libasound-module-%s', 'Alsa plugin for %s', extra_depends=''))
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d.setVar("RDEPENDS:alsa-plugins", packages)
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}
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# Many plugins have a configuration file (plus a symlink in /etc) associated
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# with them. We put the plugin and it's configuration usually in the same
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# package, but that's problematic when the configuration file is related to
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# multiple plugins, as is the case with the pulse, oss and maemo plugins. In
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# case of the pulse plugins, we have a separate alsa-plugins-pulseaudio-conf
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# package that depends on all the pulse plugins, which ensures that all plugins
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# that the configuration references are installed. The oss and maemo
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# configuration files, on the other hand, are in the respective pcm plugin
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# packages. Therefore it's possible to install the configuration file without
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# the ctl plugin that the configuration file references. This is unlikely to
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# cause big problems, but some kind of improvement to the packaging could
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# probably be done here (at least it would be good to handle the different
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# plugins in a consistent way).
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FILES:${MLPREFIX}libasound-module-ctl-arcam-av += "\
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${datadir}/alsa/alsa.conf.d/50-arcam-av-ctl.conf \
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${sysconfdir}/alsa/conf.d/50-arcam-av-ctl.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-a52 += "\
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${datadir}/alsa/alsa.conf.d/60-a52-encoder.conf \
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${sysconfdir}/alsa/conf.d/60-a52-encoder.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-alsa-dsp += "\
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${datadir}/alsa/alsa.conf.d/98-maemo.conf \
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${sysconfdir}/alsa/conf.d/98-maemo.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-jack += "\
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${datadir}/alsa/alsa.conf.d/50-jack.conf \
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${sysconfdir}/alsa/conf.d/50-jack.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-oss += "\
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${datadir}/alsa/alsa.conf.d/50-oss.conf \
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${sysconfdir}/alsa/conf.d/50-oss.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-speex += "\
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${datadir}/alsa/alsa.conf.d/60-speex.conf \
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${sysconfdir}/alsa/conf.d/60-speex.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-upmix += "\
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${datadir}/alsa/alsa.conf.d/60-upmix.conf \
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${sysconfdir}/alsa/conf.d/60-upmix.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-usb-stream += "\
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${datadir}/alsa/alsa.conf.d/98-usb-stream.conf \
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${sysconfdir}/alsa/conf.d/98-usb-stream.conf \
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"
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FILES:${MLPREFIX}libasound-module-pcm-vdownmix += "\
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${datadir}/alsa/alsa.conf.d/60-vdownmix.conf \
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${sysconfdir}/alsa/conf.d/60-vdownmix.conf \
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"
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FILES:${MLPREFIX}libasound-module-rate-lavrate += "\
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${datadir}/alsa/alsa.conf.d/10-rate-lav.conf \
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${sysconfdir}/alsa/conf.d/10-rate-lav.conf \
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"
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FILES:${MLPREFIX}libasound-module-rate-samplerate += "\
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${datadir}/alsa/alsa.conf.d/10-samplerate.conf \
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${sysconfdir}/alsa/conf.d/10-samplerate.conf \
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"
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FILES:${MLPREFIX}libasound-module-rate-speexrate += "\
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${datadir}/alsa/alsa.conf.d/10-speexrate.conf \
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${sysconfdir}/alsa/conf.d/10-speexrate.conf \
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"
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# The rate plugins create some symlinks. For example, the samplerate plugin
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# creates these links to the main plugin file:
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#
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# libasound_module_rate_samplerate_best.so
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# libasound_module_rate_samplerate_linear.so
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# libasound_module_rate_samplerate_medium.so
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# libasound_module_rate_samplerate_order.so
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#
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# The other rate plugins create similar links. We have to add the links to
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# FILES manually, because do_split_packages() skips the links (which is good,
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# because we wouldn't want do_split_packages() to create separate packages for
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# the symlinks).
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#
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# The symlinks cause QA errors, because usually it's a bug if a non
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# -dev/-dbg/-nativesdk package contains links to .so files, but in this case
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# the errors are false positives, so we disable the QA checks.
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FILES:${MLPREFIX}libasound-module-rate-lavrate += "${libdir}/alsa-lib/*rate_lavrate_*.so"
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FILES:${MLPREFIX}libasound-module-rate-samplerate += "${libdir}/alsa-lib/*rate_samplerate_*.so"
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FILES:${MLPREFIX}libasound-module-rate-speexrate += "${libdir}/alsa-lib/*rate_speexrate_*.so"
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INSANE_SKIP:${MLPREFIX}libasound-module-rate-lavrate = "dev-so"
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INSANE_SKIP:${MLPREFIX}libasound-module-rate-samplerate = "dev-so"
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INSANE_SKIP:${MLPREFIX}libasound-module-rate-speexrate = "dev-so"
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# 50-pulseaudio.conf defines a device named "pulse" that applications can use
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# if they explicitly want to use the PulseAudio plugin.
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# 99-pulseaudio-default.conf configures the "default" device to use the
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# PulseAudio plugin.
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FILES:${PN}-pulseaudio-conf += "\
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${datadir}/alsa/alsa.conf.d/50-pulseaudio.conf \
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${datadir}/alsa/alsa.conf.d/99-pulseaudio-default.conf \
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${sysconfdir}/alsa/conf.d/50-pulseaudio.conf \
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${sysconfdir}/alsa/conf.d/99-pulseaudio-default.conf \
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"
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RDEPENDS:${PN}-pulseaudio-conf += "\
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${MLPREFIX}libasound-module-conf-pulse \
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${MLPREFIX}libasound-module-ctl-pulse \
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${MLPREFIX}libasound-module-pcm-pulse \
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"
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