From 7aff4e31fb21bcd7bbd66d36b6e58b57f4f87b7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E7=81=BF=E8=BE=89?= <122565648@qq.com>
Date: Tue, 31 Mar 2020 00:12:32 +0800
Subject: [PATCH] Simply build_ffmepg.sh

---
 build_ffmpeg.sh | 73 ++++++++++++++++++-------------------------------
 1 file changed, 26 insertions(+), 47 deletions(-)

diff --git a/build_ffmpeg.sh b/build_ffmpeg.sh
index bb289b0..4cc5d3e 100755
--- a/build_ffmpeg.sh
+++ b/build_ffmpeg.sh
@@ -19,6 +19,7 @@ FFMPEG_PATH=.
 NDK_PATH=/Users/xch/Library/Android/sdk/ndk/21.0.5935234
 HOST_PLATFORM="darwin-x86_64"
 TOOLCHAIN_PREFIX="${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/bin"
+GCC_PREFIX="${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/lib/gcc"
 
 ENABLED_ENCODERS=(h264 png)
 ENABLED_DECODERS=(h264 mpeg4 png)
@@ -67,117 +68,95 @@ do
     COMMON_OPTIONS="${COMMON_OPTIONS} --enable-filter=${filter}"
 done
 
+COMMON_MERGE_OPTIONS="
+    libavcodec/libavcodec.a
+    libavfilter/libavfilter.a
+    libavformat/libavformat.a
+    libavutil/libavutil.a
+    libswresample/libswresample.a
+    libswscale/libswscale.a
+    -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker
+"
+
 cd "${FFMPEG_PATH}"
 # (git -C ffmpeg pull || git clone git://source.ffmpeg.org/ffmpeg ffmpeg)
 cd ffmpeg
 git checkout release/4.2
 
 # armeabi-v7a
+SYSROOT="${NDK_PATH}/platforms/android-16/arch-arm"
+PREFIX="android-libs/armeabi-v7a"
 ./configure \
-    --prefix=android-libs/armeabi-v7a \
+    --prefix=$PREFIX \
     --arch=arm \
     --cpu=armv7-a \
     --cross-prefix="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-" \
     --nm="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-nm" \
     --cc="${TOOLCHAIN_PREFIX}/armv7a-linux-androideabi16-clang" \
-    --ar="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-ar" \
     --extra-cflags="-march=armv7-a -mfloat-abi=softfp" \
     --extra-ldflags="-Wl,--fix-cortex-a8" \
     --extra-ldexeflags=-pie \
     ${COMMON_OPTIONS}
 make -j4
 make install
-
-SYSROOT="${NDK_PATH}/platforms/android-16/arch-arm"
-PREFIX="$(pwd)/android-libs/armeabi-v7a"
-
-# 打包
 ${TOOLCHAIN_PREFIX}/arm-linux-androideabi-ld \
     -rpath-link=$SYSROOT/usr/lib \
     -L$SYSROOT/usr/lib \
     -L$PREFIX/lib \
     -soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
     $PREFIX/libffmpeg.so \
-    libavcodec/libavcodec.a \
-    libavfilter/libavfilter.a \
-    libavformat/libavformat.a \
-    libavutil/libavutil.a \
-    libswresample/libswresample.a \
-    libswscale/libswscale.a \
-    -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker \
-    ${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/lib/gcc/arm-linux-androideabi/4.9.x/libgcc_real.a \
-
+    ${COMMON_MERGE_OPTIONS} \
+    ${GCC_PREFIX}/arm-linux-androideabi/4.9.x/libgcc_real.a
 ${TOOLCHAIN_PREFIX}/arm-linux-androideabi-strip  $PREFIX/libffmpeg.so
 make clean
 
 # arm64-v8a
+SYSROOT="${NDK_PATH}/platforms/android-21/arch-arm64"
+PREFIX="android-libs/arm64-v8a"
 ./configure \
-    --prefix=android-libs/arm64-v8a \
+    --prefix=$PREFIX \
     --arch=aarch64 \
     --cpu=armv8-a \
     --cross-prefix="${TOOLCHAIN_PREFIX}/aarch64-linux-android-" \
     --nm="${TOOLCHAIN_PREFIX}/aarch64-linux-android-nm" \
     --cc="${TOOLCHAIN_PREFIX}/aarch64-linux-android21-clang" \
-    --ar="${TOOLCHAIN_PREFIX}/aarch64-linux-android-ar" \
     --extra-ldexeflags=-pie \
     ${COMMON_OPTIONS}
 make -j8
 make install
-
-SYSROOT="${NDK_PATH}/platforms/android-21/arch-arm64"
-PREFIX="$(pwd)/android-libs/arm64-v8a"
-
- # 打包
 ${TOOLCHAIN_PREFIX}/aarch64-linux-android-ld \
     -rpath-link=$SYSROOT/usr/lib \
     -L$SYSROOT/usr/lib \
     -L$PREFIX/lib \
     -soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
     $PREFIX/libffmpeg.so \
-    libavcodec/libavcodec.a \
-    libavfilter/libavfilter.a \
-    libavformat/libavformat.a \
-    libavutil/libavutil.a \
-    libswresample/libswresample.a \
-    libswscale/libswscale.a \
-    -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker \
-    ${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/lib/gcc/aarch64-linux-android/4.9.x/libgcc_real.a \
-
+    ${COMMON_MERGE_OPTIONS} \
+    ${GCC_PREFIX}/aarch64-linux-android/4.9.x/libgcc_real.a
 ${TOOLCHAIN_PREFIX}/aarch64-linux-android-strip  $PREFIX/libffmpeg.so
 make clean
 
 # x86
+SYSROOT="${NDK_PATH}/platforms/android-16/arch-x86"
+PREFIX="android-libs/x86"
 ./configure \
-    --prefix=android-libs/x86 \
+    --prefix=$PREFIX \
     --arch=x86 \
     --cpu=i686 \
     --cross-prefix="${TOOLCHAIN_PREFIX}/i686-linux-android-" \
     --nm="${TOOLCHAIN_PREFIX}/i686-linux-android-nm" \
     --cc="${TOOLCHAIN_PREFIX}/i686-linux-android16-clang" \
-    --ar="${TOOLCHAIN_PREFIX}/i686-linux-android-ar" \
     --extra-ldexeflags=-pie \
     --disable-asm \
     ${COMMON_OPTIONS}
 make -j4
 make install
-
-SYSROOT="${NDK_PATH}/platforms/android-16/arch-x86"
-PREFIX="$(pwd)/android-libs/x86"
-
 ${TOOLCHAIN_PREFIX}/i686-linux-android-ld \
     -rpath-link=$SYSROOT/usr/lib \
     -L$SYSROOT/usr/lib \
     -L$PREFIX/lib \
     -soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
     $PREFIX/libffmpeg.so \
-    libavcodec/libavcodec.a \
-    libavfilter/libavfilter.a \
-    libavformat/libavformat.a \
-    libavutil/libavutil.a \
-    libswresample/libswresample.a \
-    libswscale/libswscale.a \
-    -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker \
-    ${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/lib/gcc/i686-linux-android/4.9.x/libgcc_real.a \
-
+    ${COMMON_MERGE_OPTIONS} \
+    ${GCC_PREFIX}/i686-linux-android/4.9.x/libgcc_real.a
 ${TOOLCHAIN_PREFIX}/i686-linux-android-strip  $PREFIX/libffmpeg.so
 make clean