android/build: simplify script

android/compile-ffmpeg.sh

@@ -36,35 +36,42 @@ echo_archs() {
 }
 
 #----------
-if [ "$FF_TARGET" = "armv5" -o "$FF_TARGET" = "armv7a" ]; then
-    echo_archs
-    sh tools/do-compile-ffmpeg.sh $FF_TARGET
-elif [ "$FF_TARGET" = "x86" ]; then
-    echo_archs
-    sh tools/do-compile-ffmpeg.sh $FF_TARGET
-elif [ "$FF_TARGET" = "all" ]; then
-    echo_archs
-    for ARCH in $FF_ALL_ARCHS
-    do
-        sh tools/do-compile-ffmpeg.sh $ARCH
-    done
-elif [ "$FF_TARGET" == "check" ]; then
-    echo_archs
-elif [ "$FF_TARGET" == "clean" ]; then
-    echo_archs
-    for ARCH in $FF_ALL_ARCHS
-    do
-        cd ffmpeg-$ARCH && git clean -xdf && cd -
-    done
-    rm -rf ./build/ffmpeg-*
-else
-    echo "Usage:"
-    echo "  compile-ffmpeg.sh armv5|armv7a|x86"
-    echo "  compile-ffmpeg.sh all"
-    echo "  compile-ffmpeg.sh clean"
-    echo "  compile-ffmpeg.sh check"
-    exit 1
-fi
+case "$FF_TARGET" in
+    "")
+        echo_archs
+        sh tools/do-compile-ffmpeg.sh armv7a
+    ;;
+    armv5|armv7a|x86)
+        echo_archs
+        sh tools/do-compile-ffmpeg.sh $FF_TARGET
+    ;;
+    all)
+        echo_archs
+        for ARCH in $FF_ALL_ARCHS
+        do
+            sh tools/do-compile-ffmpeg.sh $ARCH
+        done
+    ;;
+    clean)
+        echo_archs
+        for ARCH in $FF_ALL_ARCHS
+        do
+            cd ffmpeg-$ARCH && git clean -xdf && cd -
+        done
+        rm -rf ./build/ffmpeg-*
+    ;;
+    check)
+        echo_archs
+    ;;
+    *)
+        echo "Usage:"
+        echo "  compile-ffmpeg.sh armv5|armv7a|x86"
+        echo "  compile-ffmpeg.sh all"
+        echo "  compile-ffmpeg.sh clean"
+        echo "  compile-ffmpeg.sh check"
+        exit 1
+    ;;
+esac
 
 #----------
 echo "\n--------------------"

android/compile-ijk.sh

@@ -47,16 +47,13 @@ do_ndk_build () {
 
 
 case "$REQUEST_TARGET" in
-    armv7a)
-        do_ndk_build $REQUEST_TARGET;
-    ;;
-    armv5)
-        do_ndk_build $REQUEST_TARGET;
+    "")
+        do_ndk_build armv7a;
     ;;
-    x86)
+    armv5|armv7a|x86)
         do_ndk_build $REQUEST_TARGET;
     ;;
-    ""|all)
+    all)
         for ABI in $ALL_ABI
         do
             do_ndk_build "$ABI";