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问题:

I want to configure FFMPEG in android studio but i cant get any document or link for that. Github on many FFMPEG lib available for android but that all are with old version. And how to run command in android? and i want to know after configure FFMPEG then how can we run FFMPEG commands. Help me for that. thanks advance.

I have used below links but not success in for latest version.

http://writingminds.github.io/ffmpeg-android-java

https://github.com/WritingMinds/ffmpeg-android-java

https://github.com/havlenapetr/FFMpeg

https://github.com/appunite/AndroidFFmpeg

https://github.com/WritingMinds/ffmpeg-android

回答1:

The latest version of FFMPEG is 3.1.1, Just released before 12 days. So i think there is no readily available demo like this old one.

We need to build the FFMPEG library on our own. Some questions i found just pasting here that might help you. (Not tested)

How to Build FFmpeg for Android

Compiling FFmpeg 2.3 with Android NDK r10
How to compile ffmpeg-2.5.3 on windows with android-ndk-r10d
How to compile ffmpeg-2.2.2 on windows with cygwin and android ndk r9c
How to buid ffmpeg with android-ndk-r10d in windows

You need to compile it on your own the by downloading Android NDK & Latest Version of FFMPEG.

One tutorial is also there : How to Build FFmpeg for Android. This is quite old so you just need to change the versions mentioned here. For FFMPEG it will be 3.1.1 & NDK it will be r12b.

Building FFMPEG with NDK r12b:

Download Android NDK : The latest version of Android NDK can be downloaded at Android NDK website. At the time of writing this answer, the newest version is NDK r12. simply decompress the archive
Download ffmpeg source code : FFMPEG source code can be downloaded from the ffmpeg website. The latest stable release is 3.1.1 (at the time of writing). Download the source code and decompress it to $NDK/sources folder.

Update configure file : Open ffmpeg-3.1.1/configure file with a text editor, and locate the following lines.

SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

This cause ffmpeg shared libraries to be compiled to libavcodec.so. (e.g. libavcodec.so.55), which is not compatible with Android build system. Therefore we’ll need to replace the above lines with the following lines.

SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
SLIB_INSTALL_LINKS='$(SLIBNAME)

Build ffmpeg : Copy the following text to a text editor and save it as build_android.sh in ffmpeg_3.1.1 folder.

    #!/bin/bash
    NDK=$HOME/Desktop/adt/android-ndk-r9
    SYSROOT=$NDK/platforms/android-9/arch-arm/
    TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64
    function build_one
    {
        ./configure
            --prefix=$PREFIX
            --enable-shared
            --disable-static
        --disable-doc
                --disable-ffmpeg
            --disable-ffplay
            --disable-ffprobe
            --disable-ffserver
            --disable-avdevice
            --disable-doc
            --disable-symver
            --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi-
            --target-os=linux
            --arch=arm
            --enable-cross-compile
            --sysroot=$SYSROOT
            --extra-cflags="-Os -fpic $ADDI_CFLAGS"
            --extra-ldflags="$ADDI_LDFLAGS"
        $ADDITIONAL_CONFIGURE_FLAG
        make clean
        make
        make install
    }
    CPU=arm
    PREFIX=$(pwd)/android/$CPU
    ADDI_CFLAGS="-marm"
    build_one

Once the file is saved, go to the directory where this file lies & execute the command below,

sudo chmod +x build_android.sh

Then execute the script by the command,

./build_android.sh

Build Output : The build can take a while to finish depending on your computer speed. Once it’s done, you should be able to find a folder $NDK/sources/ffmpeg-3.1.1/android, which contains arm/lib and arm/include folders.
Make ffmpeg Libraries available for Your Projects

Steps above are fully tested and i performed them on my machine and the build was successful. For writing this answer i have took the reference from this article How to Build ffmpeg with NDK r9 but as it was for older version i have made some corrections on my own.

Open for asking any doubts.

回答2:

I suggest you these following URLs that was helpful for me :

http://androidwarzone.blogspot.in/2011/12/ffmpeg4android.html

http://writingminds.github.io/ffmpeg-android-java/

https://androiddeveloperhelp.wordpress.com/2015/12/19/video-editing-android-example/

For knowledge:

http://www.lai18.com/content/5175900.html

Android studio Source Code:

https://drive.google.com/file/d/0B9qAjo6wKhk9MEpNNjMxaG5oWXM/view?usp=sharing

It may be help you.

回答3:

Have you seen this link Writingminds's FFmpeg library provided all explanation about it in this link

Latest Version of that library writingmind is here https://github.com/WritingMinds/ffmpeg-android-java/releases

If you want to use latest version of any library you can do it right from in build.gradle because if any library is not updated it can be seen and can be updated from build.gradle, I always do this for many library for latest available version.

For gradle in FFMpeg use this

compile 'com.writingminds:FFmpegAndroid:0.3.2'

More libraries similar to it is given on this link https://android-arsenal.com/details/1/925

Also i suggest you to read this que, and this que

If you want to use Latest version of Original Library go here : FFmpeg [ latest version will be here ]

to add with native code then these blogs may help you

http://ffmpeg-android.blogspot.in/ and

http://www.roman10.net/2011/07/17/how-to-build-android-applications-based-on-ffmpeg-by-an-example/

回答4:

I've experienced with ffmpeg for android for few weeks.

The library called FFmpeg4Android and can be found here at WarZone.

I know the title says it from December 6, 2011 but i've tested and worked with it and it all runs smoothly. You haven't mentioned what's your exact need with this library but you could read about the ffmpeg abilities at the official site.

The FFmpeg4Android has an example project that can be a great reference, and also their support is immediate and clear.

The commands are running according to your string input, e.g:

ffmpeg -y -i /sdcard/videokit/in.mp4 -strict experimental -s 160x120 -r 25 -vcodec mpeg4 -b 150k -ab 48000 -ac 2 -ar 22050 /sdcard/videokit/out.mp4

let me know if you need further help, i'll be glad to help.