diff --git a/app/build.gradle b/app/build.gradle
index 9b22ab7..60d147d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,5 +32,6 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 
     implementation project(path: ':library')
+//    implementation 'com.github.xch168:ffmpeg-invoker:0.0.1'
 
 }
diff --git a/build_ffmpeg.sh b/build_ffmpeg.sh
index 2599616..bb289b0 100755
--- a/build_ffmpeg.sh
+++ b/build_ffmpeg.sh
@@ -21,25 +21,25 @@ HOST_PLATFORM="darwin-x86_64"
 TOOLCHAIN_PREFIX="${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/bin"
 
 ENABLED_ENCODERS=(h264 png)
-ENABLED_DECODERS=(h264 png)
+ENABLED_DECODERS=(h264 mpeg4 png)
 ENABLED_MUXERS=(h264 mp4 3gp webm matroska avi image2)
 ENABLED_DEMUXERS=(webm matroska concat)
 ENABLED_PROTOCOLS=(file)
+ENABLED_FILTERS=(scale)
 
 COMMON_OPTIONS="
     --target-os=android
-    --disable-static
-    --enable-shared
+    --enable-static
+    --disable-shared
     --disable-doc
+    --disable-everything
     --disable-programs
+    --disable-protocols
+    --disable-parsers
     --disable-avdevice
     --disable-postproc
     --disable-symver
-    --enable-swscale
-    --enable-avformat
-    --enable-avfilter
-    --enable-avresample
-    --enable-swresample
+    --disable-debug
     "
 
 for encoder in "${ENABLED_ENCODERS[@]}"
@@ -62,9 +62,13 @@ for protocol in "${ENABLED_PROTOCOLS[@]}"
 do
     COMMON_OPTIONS="${COMMON_OPTIONS} --enable-protocol=${protocol}"
 done
+for filter in "${ENABLED_FILTERS[@]}"
+do
+    COMMON_OPTIONS="${COMMON_OPTIONS} --enable-filter=${filter}"
+done
 
-cd "${FFMPEG_EXT_PATH}"
-(git -C ffmpeg pull || git clone git://source.ffmpeg.org/ffmpeg ffmpeg)
+cd "${FFMPEG_PATH}"
+# (git -C ffmpeg pull || git clone git://source.ffmpeg.org/ffmpeg ffmpeg)
 cd ffmpeg
 git checkout release/4.2
 
@@ -73,15 +77,37 @@ git checkout release/4.2
     --prefix=android-libs/armeabi-v7a \
     --arch=arm \
     --cpu=armv7-a \
-    --cross-prefix="${TOOLCHAIN_PREFIX}/armv7a-linux-androideabi16-" \
+    --cross-prefix="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-" \
     --nm="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-nm" \
-    --strip="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-strip" \
+    --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 \
+
+${TOOLCHAIN_PREFIX}/arm-linux-androideabi-strip  $PREFIX/libffmpeg.so
 make clean
 
 # arm64-v8a
@@ -89,13 +115,35 @@ make clean
     --prefix=android-libs/arm64-v8a \
     --arch=aarch64 \
     --cpu=armv8-a \
-    --cross-prefix="${TOOLCHAIN_PREFIX}/aarch64-linux-android21-" \
+    --cross-prefix="${TOOLCHAIN_PREFIX}/aarch64-linux-android-" \
     --nm="${TOOLCHAIN_PREFIX}/aarch64-linux-android-nm" \
-    --strip="${TOOLCHAIN_PREFIX}/aarch64-linux-android-strip" \
+    --cc="${TOOLCHAIN_PREFIX}/aarch64-linux-android21-clang" \
+    --ar="${TOOLCHAIN_PREFIX}/aarch64-linux-android-ar" \
     --extra-ldexeflags=-pie \
     ${COMMON_OPTIONS}
-make -j4
+make -j8
 make install
+
+SYSROOT="${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 \
+
+${TOOLCHAIN_PREFIX}/aarch64-linux-android-strip  $PREFIX/libffmpeg.so
 make clean
 
 # x86
@@ -103,12 +151,33 @@ make clean
     --prefix=android-libs/x86 \
     --arch=x86 \
     --cpu=i686 \
-    --cross-prefix="${TOOLCHAIN_PREFIX}/i686-linux-android16-" \
+    --cross-prefix="${TOOLCHAIN_PREFIX}/i686-linux-android-" \
     --nm="${TOOLCHAIN_PREFIX}/i686-linux-android-nm" \
-    --strip="${TOOLCHAIN_PREFIX}/i686-linux-android-strip" \
+    --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 \
+
+${TOOLCHAIN_PREFIX}/i686-linux-android-strip  $PREFIX/libffmpeg.so
 make clean
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index bdecf96..e7e7481 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -24,81 +24,22 @@ add_library( ffmpeg-invoker # 库名称
         SHARED         # 库类型
         ${SRC})        # 编译进库的源码)
 
-# 添加libavcodec.so库
-add_library( avcodec
+# 添加libffmpeg.so库
+add_library( ffmpeg
         SHARED
         IMPORTED )
-# 指定libavcodec.so库的位置
-set_target_properties( avcodec
+# 指定libffmpeg.so库的位置
+set_target_properties( ffmpeg
         PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libavcodec.so )
+        ${distribution_DIR}/libffmpeg.so )
 
-# libavfilter.so库
-add_library( avfilter
-        SHARED
-        IMPORTED )
-# libavfilter.so库的位置
-set_target_properties( avfilter
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libavfilter.so )
-
-# 添加libavformat.so库
-add_library( avformat
-        SHARED
-        IMPORTED )
-# 指定libavformat.so库的位置
-set_target_properties( avformat
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libavformat.so )
-
-# 添加libavresample.so库
-add_library( avresample
-        SHARED
-        IMPORTED )
-# 指定libavresample.so库的位置
-set_target_properties( avresample
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libavresample.so )
-
-# libavutil.so库
-add_library( avutil
-        SHARED
-        IMPORTED )
-# 指定libavutil.so库的位置
-set_target_properties( avutil
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libavutil.so )
-
-# libswresample.so库
-add_library( swresample
-        SHARED
-        IMPORTED )
-# 指定libswresample.so库的位置
-set_target_properties( swresample
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libswresample.so )
-
-# libswscale.so库
-add_library( swscale
-        SHARED
-        IMPORTED )
-# 指定libswscale.so库的位置
-set_target_properties( swscale
-        PROPERTIES IMPORTED_LOCATION
-        ${distribution_DIR}/libswscale.so )
 
 find_library( log-lib
         log )
 
 
 target_link_libraries( ffmpeg-invoker
-        avcodec
-        avfilter
-        avformat
-        avresample
-        swresample
-        swscale
-        avutil
+        ffmpeg
         -landroid     # native_window
         -ljnigraphics # bitmap
         -lOpenSLES    # openSLES
diff --git a/library/libs/arm64-v8a/libavcodec.so b/library/libs/arm64-v8a/libavcodec.so
deleted file mode 100755
index 96c5706..0000000
Binary files a/library/libs/arm64-v8a/libavcodec.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libavfilter.so b/library/libs/arm64-v8a/libavfilter.so
deleted file mode 100755
index f4b8ae4..0000000
Binary files a/library/libs/arm64-v8a/libavfilter.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libavformat.so b/library/libs/arm64-v8a/libavformat.so
deleted file mode 100755
index 3fe585e..0000000
Binary files a/library/libs/arm64-v8a/libavformat.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libavresample.so b/library/libs/arm64-v8a/libavresample.so
deleted file mode 100755
index 6e764a2..0000000
Binary files a/library/libs/arm64-v8a/libavresample.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libavutil.so b/library/libs/arm64-v8a/libavutil.so
deleted file mode 100755
index bf8b1a0..0000000
Binary files a/library/libs/arm64-v8a/libavutil.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libffmpeg.so b/library/libs/arm64-v8a/libffmpeg.so
new file mode 100755
index 0000000..8c4add2
Binary files /dev/null and b/library/libs/arm64-v8a/libffmpeg.so differ
diff --git a/library/libs/arm64-v8a/libswresample.so b/library/libs/arm64-v8a/libswresample.so
deleted file mode 100755
index eebf1c4..0000000
Binary files a/library/libs/arm64-v8a/libswresample.so and /dev/null differ
diff --git a/library/libs/arm64-v8a/libswscale.so b/library/libs/arm64-v8a/libswscale.so
deleted file mode 100755
index f1609d0..0000000
Binary files a/library/libs/arm64-v8a/libswscale.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libavcodec.so b/library/libs/armeabi-v7a/libavcodec.so
deleted file mode 100755
index d6b9bfd..0000000
Binary files a/library/libs/armeabi-v7a/libavcodec.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libavfilter.so b/library/libs/armeabi-v7a/libavfilter.so
deleted file mode 100755
index e3acf1c..0000000
Binary files a/library/libs/armeabi-v7a/libavfilter.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libavformat.so b/library/libs/armeabi-v7a/libavformat.so
deleted file mode 100755
index e725906..0000000
Binary files a/library/libs/armeabi-v7a/libavformat.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libavresample.so b/library/libs/armeabi-v7a/libavresample.so
deleted file mode 100755
index 7eecc28..0000000
Binary files a/library/libs/armeabi-v7a/libavresample.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libavutil.so b/library/libs/armeabi-v7a/libavutil.so
deleted file mode 100755
index 3b970e2..0000000
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diff --git a/library/libs/armeabi-v7a/libffmpeg.so b/library/libs/armeabi-v7a/libffmpeg.so
new file mode 100755
index 0000000..2674c23
Binary files /dev/null and b/library/libs/armeabi-v7a/libffmpeg.so differ
diff --git a/library/libs/armeabi-v7a/libswresample.so b/library/libs/armeabi-v7a/libswresample.so
deleted file mode 100755
index 1560c0c..0000000
Binary files a/library/libs/armeabi-v7a/libswresample.so and /dev/null differ
diff --git a/library/libs/armeabi-v7a/libswscale.so b/library/libs/armeabi-v7a/libswscale.so
deleted file mode 100755
index b8adf60..0000000
Binary files a/library/libs/armeabi-v7a/libswscale.so and /dev/null differ
diff --git a/library/libs/x86/libavcodec.so b/library/libs/x86/libavcodec.so
deleted file mode 100755
index 492cda4..0000000
Binary files a/library/libs/x86/libavcodec.so and /dev/null differ
diff --git a/library/libs/x86/libavfilter.so b/library/libs/x86/libavfilter.so
deleted file mode 100755
index fd8983c..0000000
Binary files a/library/libs/x86/libavfilter.so and /dev/null differ
diff --git a/library/libs/x86/libavformat.so b/library/libs/x86/libavformat.so
deleted file mode 100755
index 5657b70..0000000
Binary files a/library/libs/x86/libavformat.so and /dev/null differ
diff --git a/library/libs/x86/libavresample.so b/library/libs/x86/libavresample.so
deleted file mode 100755
index b8a41b1..0000000
Binary files a/library/libs/x86/libavresample.so and /dev/null differ
diff --git a/library/libs/x86/libavutil.so b/library/libs/x86/libavutil.so
deleted file mode 100755
index 43b4cda..0000000
Binary files a/library/libs/x86/libavutil.so and /dev/null differ
diff --git a/library/libs/x86/libffmpeg.so b/library/libs/x86/libffmpeg.so
new file mode 100755
index 0000000..20a2d2d
Binary files /dev/null and b/library/libs/x86/libffmpeg.so differ
diff --git a/library/libs/x86/libswresample.so b/library/libs/x86/libswresample.so
deleted file mode 100755
index 55399e9..0000000
Binary files a/library/libs/x86/libswresample.so and /dev/null differ
diff --git a/library/libs/x86/libswscale.so b/library/libs/x86/libswscale.so
deleted file mode 100755
index 0d4b6e9..0000000
Binary files a/library/libs/x86/libswscale.so and /dev/null differ
diff --git a/library/src/main/cpp/ffmpeg/cmdutils.c b/library/src/main/cpp/ffmpeg/cmdutils.c
index 147a55b..2b9df33 100644
--- a/library/src/main/cpp/ffmpeg/cmdutils.c
+++ b/library/src/main/cpp/ffmpeg/cmdutils.c
@@ -556,7 +556,7 @@ int opt_default(void *optctx, const char *opt, const char *arg)
     const char *p;
     const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();
 #if CONFIG_AVRESAMPLE
-    const AVClass *rc = avresample_get_class();
+//    const AVClass *rc = avresample_get_class();
 #endif
 #if CONFIG_SWSCALE
     const AVClass *sc = sws_get_class();
@@ -628,11 +628,11 @@ int opt_default(void *optctx, const char *opt, const char *arg)
     }
 #endif
 #if CONFIG_AVRESAMPLE
-    if ((o=opt_find(&rc, opt, NULL, 0,
-                       AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
-        av_dict_set(&resample_opts, opt, arg, FLAGS);
-        consumed = 1;
-    }
+//    if ((o=opt_find(&rc, opt, NULL, 0,
+//                       AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+//        av_dict_set(&resample_opts, opt, arg, FLAGS);
+//        consumed = 1;
+//    }
 #endif
 
     if (consumed)
@@ -1137,7 +1137,7 @@ static void print_all_libs_info(int flags, int level)
     PRINT_LIB_INFO(avformat,   AVFORMAT,   flags, level);
     PRINT_LIB_INFO(avdevice,   AVDEVICE,   flags, level);
     PRINT_LIB_INFO(avfilter,   AVFILTER,   flags, level);
-    PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
+//    PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
     PRINT_LIB_INFO(swscale,    SWSCALE,    flags, level);
     PRINT_LIB_INFO(swresample, SWRESAMPLE, flags, level);
     PRINT_LIB_INFO(postproc,   POSTPROC,   flags, level);
diff --git a/library/src/main/cpp/include/libavutil/parseutils.h b/library/src/main/cpp/include/libavutil/parseutils.h
index ad29631..e66d24b 100644
--- a/library/src/main/cpp/include/libavutil/parseutils.h
+++ b/library/src/main/cpp/include/libavutil/parseutils.h
@@ -19,7 +19,7 @@
 #ifndef AVUTIL_PARSEUTILS_H
 #define AVUTIL_PARSEUTILS_H
 
-#include "time.h"
+#include <time.h>
 
 #include "rational.h"