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diff --git a/media/libspeex_resampler/update.sh b/media/libspeex_resampler/update.sh
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+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Usage: ./update.sh <speexdsp_directory>
+#
+# Copies the needed files from a directory containing the original
+# speexdsp sources.
+
+set -e -x
+
+cp $1/libspeexdsp/resample.c src
+cp $1/libspeexdsp/resample_sse.h src/resample_sse.c
+cp $1/libspeexdsp/resample_neon.h src/resample_neon.c
+cp $1/libspeexdsp/arch.h src
+cp $1/libspeexdsp/stack_alloc.h src
+cp $1/libspeexdsp/fixed_generic.h src
+cp $1/include/speex/speex_resampler.h src
+cp $1/AUTHORS .
+cp $1/COPYING .
+
+# apply outstanding local patches
+patch -p3 < outside-speex.patch
+patch -p3 < simd-detect-runtime.patch
+patch -p3 < set-skip-frac.patch
+patch -p3 < hugemem.patch
+patch -p3 < remove-empty-asm-clobber.patch
+patch -p3 < set-rate-overflow-no-return.patch
+patch -p3 < integer-halving.patch