From cbac917388f0876ee5e688168b5c44d12d7c5eb1 Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Tue, 23 Jun 2015 16:15:31 +0200
Subject: [PATCH] Fix crash on Android M preview

---
 Makefile |  1 +
 bsed.sh  | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100755 bsed.sh

diff --git a/Makefile b/Makefile
index eb69db45e..08ed199c8 100644
--- a/Makefile
+++ b/Makefile
@@ -433,6 +433,7 @@ MEDIASTREAMER2_OPTIONS = $(GENERATE_OPTIONS) BUILD_MEDIASTREAMER2_SDK=1
 
 generate-libs: prepare-sources javah
 	$(NDK_PATH)/ndk-build $(LIBLINPHONE_OPTIONS) -j$(NUMCPUS) TARGET_PLATFORM=$(NDKBUILD_TARGET)
+	./bsed.sh # Fix path to libffmpeg library in linphone.so because of Android M Preview issue: https://code.google.com/p/android-developer-preview/issues/detail?id=2239
 
 generate-mediastreamer2-libs: prepare-sources
 	@cd $(TOPDIR)/submodules/linphone/mediastreamer2/java && \
diff --git a/bsed.sh b/bsed.sh
new file mode 100755
index 000000000..ea7a242fe
--- /dev/null
+++ b/bsed.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Script found at http://everydaywithlinux.blogspot.fr/2012/11/patch-strings-in-binary-files-with-sed.html
+
+function patch_strings_in_file() {
+    local FILE="$1"
+    local PATTERN="$2"
+    local REPLACEMENT="$3"
+
+    # Find all unique strings in FILE that contain the pattern 
+    STRINGS=$(strings ${FILE} | grep ${PATTERN} | sort -u -r)
+
+    if [ "${STRINGS}" != "" ] ; then
+        echo "File '${FILE}' contain strings with '${PATTERN}' in them:"
+
+        for OLD_STRING in ${STRINGS} ; do
+            # Create the new string with a simple bash-replacement
+            NEW_STRING=${OLD_STRING//${PATTERN}/${REPLACEMENT}}
+
+            # Create null terminated ASCII HEX representations of the strings
+            OLD_STRING_HEX="$(echo -n ${OLD_STRING} | xxd -g 0 -u -ps -c 256)00"
+            NEW_STRING_HEX="$(echo -n ${NEW_STRING} | xxd -g 0 -u -ps -c 256)00"
+
+            if [ ${#NEW_STRING_HEX} -le ${#OLD_STRING_HEX} ] ; then
+                # Pad the replacement string with null terminations so the
+                # length matches the original string
+                while [ ${#NEW_STRING_HEX} -lt ${#OLD_STRING_HEX} ] ; do
+                    NEW_STRING_HEX="${NEW_STRING_HEX}00"
+                done
+
+                # Now, replace every occurrence of OLD_STRING with NEW_STRING 
+                echo -n "Replacing ${OLD_STRING} with ${NEW_STRING}... "
+                hexdump -ve '1/1 "%.2X"' ${FILE} | \
+                sed "s/${OLD_STRING_HEX}/${NEW_STRING_HEX}/g" | \
+                xxd -r -p > ${FILE}.tmp
+                chmod --reference ${FILE} ${FILE}.tmp
+                mv ${FILE}.tmp ${FILE}
+                echo "Done!"
+            else
+                echo "New string '${NEW_STRING}' is longer than old" \
+                     "string '${OLD_STRING}'. Skipping."
+            fi
+        done
+    fi
+}
+
+patch_strings_in_file libs/armeabi-v7a/liblinphone-armeabi-v7a.so "./obj/local/armeabi-v7a/libffmpeg-linphone-arm.so" "libffmpeg-linphone-arm.so"
+patch_strings_in_file libs/armeabi-x86/liblinphone-armeabi-x86.so "./obj/local/armeabi-x86/libffmpeg-linphone-x86.so" "libffmpeg-linphone-x86.so"