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align=left><FONT face=Helvetica><FONT style="FONT-SIZE: 11.3pt"
color=#242729>Hello,</FONT></FONT></P>
<P
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align=left><FONT face=Helvetica><FONT style="FONT-SIZE: 11.3pt" color=#242729>I
have successfully compiled FFmpeg 3.1.11 under Linux Ubuntu and it runs fine
under Android (Version >4)</FONT></FONT></P>
<P
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align=left><FONT color=#242729 face=Helvetica>This script i used:</FONT></P>
<DIV>NDK=/home/urs/Documents/android-ndk-r12b</DIV>
<DIV>SYSROOT=$NDK/platforms/android-14/arch-arm/</DIV>
<DIV>TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64</DIV>
<DIV>function build_one</DIV>
<DIV>{</DIV>
<DIV>./configure \</DIV>
<DIV> --prefix=$PREFIX \</DIV>
<DIV> --enable-shared \</DIV>
<DIV> --disable-static \</DIV>
<DIV> --disable-doc \</DIV>
<DIV> --disable-ffmpeg \</DIV>
<DIV> --disable-ffplay \</DIV>
<DIV> --disable-ffprobe \</DIV>
<DIV> --disable-ffserver \</DIV>
<DIV> --disable-avdevice \</DIV>
<DIV> --disable-doc \</DIV>
<DIV> --disable-symver \</DIV>
<DIV> --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi-
\</DIV>
<DIV> --target-os=linux \</DIV>
<DIV> --arch=arm \</DIV>
<DIV> --enable-cross-compile \</DIV>
<DIV> --sysroot=$SYSROOT \</DIV>
<DIV> --extra-cflags="-Os -fpic $ADDI_CFLAGS" \</DIV>
<DIV> --extra-ldflags="$ADDI_LDFLAGS" \</DIV>
<DIV> $ADDITIONAL_CONFIGURE_FLAG</DIV>
<DIV>make clean</DIV>
<DIV>make</DIV>
<DIV>make install</DIV>
<DIV>}</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>CPU=armv7-a</DIV>
<DIV>PREFIX=$(pwd)/android/$CPU </DIV>
<DIV>ADDI_CFLAGS="-marm -march=$CPU"</DIV>
<DIV>build_one</DIV>
<P
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align=left><FONT color=#242729 face=Helvetica></FONT> </P>
<P
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align=left><FONT face=Helvetica><FONT style="FONT-SIZE: 11.3pt"
color=#242729>with the same script i can also compile the version
3.4.1.</FONT></FONT></P>
<P
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align=left><FONT color=#242729 face=Helvetica>The problem is, i</FONT><FONT
color=#242729 face=Helvetica>f i try to load the libs under Android
with</FONT></P>
<DIV>Java.Lang.JavaSystem.LoadLibrary("avutil-55");</DIV>
<DIV>Java.Lang.JavaSystem.LoadLibrary("swresample-2");</DIV>
<DIV>Java.Lang.JavaSystem.LoadLibrary("avcodec-57");</DIV>
<DIV>...</DIV>
<DIV>avutil-55 and swresample-2 load fine, but avcodec-57 <FONT
face=Helvetica><FONT style="FONT-SIZE: 11.3pt" color=#242729>fails with the
error message:</FONT></FONT></DIV>
<DIV><FONT color=#242729 face=Helvetica></FONT> </DIV>
<BLOCKQUOTE
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<P
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face=Helvetica><FONT style="FONT-SIZE: 11.3pt"
color=#242729>Java.Lang.UnsatisfiedLinkError: dlopen failed: cannot locate
symbol "ff_h264_mediacodec_hwaccel" referenced by
"/data/app/App12.App12-1/lib/arm/libavcodec-57.so"...</FONT></FONT></P></BLOCKQUOTE>
<P
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align=left><FONT face=Helvetica><FONT style="FONT-SIZE: 11.3pt"
color=#242729></FONT></FONT> </P>
<P
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align=left><FONT face=Helvetica><FONT style="FONT-SIZE: 11.3pt"
color=#242729>What can i do? Is there some libs i have to disable in the config
script?</FONT></FONT></P></DIV></DIV></BODY></HTML>