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  • Trying to use FFMPEG for android. Compiling but still not working

    15 avril 2014, par Austin Mueller

    So to start off... Im trying to use ffmpeg to compile an array of images into a video on Android.

    I have followed a variety of tutorials online and have gotten as far as being able to compile the lib for Android and still have to project run.
    The repo im now using can be found here : https://github.com/Batterii/android-ffmpeg-x264

    I made a couple tweaks to the setttings.sh just to correct ndk location. Besides that, I followed the instructions and it seemed to work flawlessly.

    After that, I converted the "Project" project into an Android stdio library module.
    Screenshot of android studio module

    I am not getting any compile errors, nor am I getting any runtime errors, or any other errors that I can detect... Nothing on logcat... But I am definitely not getting any video called out.mp4.
    In an onCreate of a particular activity, I am running this code :

    Videokit vk = new Videokit();
    vk.run(new String[]{"ffmpeg", "-r", "1/5", "-i", "%d.jpg", "-c:v", "libx264", "-r", "30", "-pix_fmt", "yuv420p", project.getProjectDirectory() + "/out.mp4"});

    This command is taken from the command line example found here :
    https://trac.ffmpeg.org/wiki/Create%20a%20video%20slideshow%20from%20images

    Thank you in advance for anyone taking the time to look through this post... I am pretty baffled at this point, as there are no errors I can find and no video...
    Thanks

    ======================================================================

    Update

    Turns out it is not actually compiling correctly... but i have found a few things.
    here is the make file from the Eclipse version of the project

    LOCAL_PATH := $(call my-dir)

    include $(CLEAR_VARS)
    LOCAL_MODULE  := videokit
    # These need to be in the right order
    FFMPEG_LIBS := $(addprefix ffmpeg/, \
    libavdevice/libavdevice.a \
    libavformat/libavformat.a \
    libavfilter/libavfilter.a \
    libavcodec/libavcodec.a \
    libswscale/libswscale.a \
    libavutil/libavutil.a \
    libswresample/libswresample.a \
    libpostproc/libpostproc.a )
    # ffmpeg uses its own deprecated functions liberally, so turn off that annoying noise
    LOCAL_CFLAGS += -g -Iffmpeg -Ivideokit -Wno-deprecated-declarations
    LOCAL_LDLIBS += -llog -lz $(FFMPEG_LIBS) x264/libx264.a
    LOCAL_SRC_FILES :=  ffmpeg/cmdutils.c ffmpeg/ffmpeg.c videokit/uk_co_halfninja_videokit_Videokit.c
    include $(BUILD_SHARED_LIBRARY)

    and here is the make file that gradle is auto-generating for me... thanks to Android Studio...

    LOCAL_PATH := $(call my-dir)
    include $(CLEAR_VARS)

    LOCAL_MODULE := videokit
    LOCAL_CFLAGS := -g -Isrc/main/jni/ffmpeg -Isrc/main/jni/videokit -Wno-deprecated-declarations
    LOCAL_LDLIBS := \
       -lffmpeg/libavformat/libavformat.a \
       -lffmpeg/libavcodec/libavcodec.a \
       -lffmpeg/libswresample/libswresample.a \
       -lffmpeg/libavfilter/libavfilter.a \
       -lffmpeg/libpostproc/libpostproc.a \
       -lffmpeg/libavdevice/libavdevice.a \
       -lx264/libx264.a \
       -lffmpeg/libavutil/libavutil.a \
       -llog \
       -lz \
       -lffmpeg/libswscale/libswscale.a \

    LOCAL_SRC_FILES := \
       Project/Module/src/main/jni/ffmpeg/cmdutils.c \
       Project/Module/src/main/jni/ffmpeg/ffmpeg.c \
       Project/Module/src/main/jni/videokit/com_t10_project_util_FfmpegHelper.c \

    LOCAL_C_INCLUDES += Project/Module/src/main/jni/ffmpeg/cmdutils.c
    LOCAL_C_INCLUDES += Project/Module/src/main/jni/ffmpeg/ffmpeg.c
    LOCAL_C_INCLUDES += Project/Module/src/main/jni/videokit/com_t10_project_util_FfmpegHelper.c
    LOCAL_C_INCLUDES += Project/Module/src/arm/jni
    LOCAL_C_INCLUDES += Project/Module/src/debug/jni
    LOCAL_C_INCLUDES += Project/Module/src/armDebug/jni

    include $(BUILD_SHARED_LIBRARY)

    And finally, here is my build.gradle

    apply plugin: 'android'

    android {
       compileSdkVersion 19
       buildToolsVersion '19.0.1'

       defaultConfig {
           minSdkVersion 14
           targetSdkVersion 19
           versionCode 1
           versionName "1.0"

           ndk {
               moduleName "videokit"
               stl "stlport_shared"
               ldLibs "log", "z",
                       "ffmpeg/libavdevice/libavdevice.a",
                       "ffmpeg/libavformat/libavformat.a",
                       "ffmpeg/libavfilter/libavfilter.a",
                       "ffmpeg/libavcodec/libavcodec.a",
                       "ffmpeg/libswscale/libswscale.a",
                       "ffmpeg/libavutil/libavutil.a",
                       "ffmpeg/libswresample/libswresample.a",


                 "ffmpeg/libpostproc/libpostproc.a",
                   "x264/libx264.a"
               cFlags "-g -Isrc/main/jni/ffmpeg -Isrc/main/jni/videokit -Wno-deprecated-declarations"

           }
       }

       sourceSets.main {
           jniLibs.srcDir 'src/main/libs'
           jni.srcDirs = ['src/main/jni/ffmpeg/cmdutils.c',
                          'src/main/jni/ffmpeg/ffmpeg.c',
                          'src/main/jni/videokit/com_t10_project_util_FfmpegHelper.c']
       }

       productFlavors {
           x86 {
               versionCode Integer.parseInt("6" + defaultConfig.versionCode)
               ndk {
                   abiFilter "x86"
               }
           }
           mips {
               versionCode Integer.parseInt("4" + defaultConfig.versionCode)
               ndk {
                   abiFilter "mips"
               }
           }
           armv7 {
               versionCode Integer.parseInt("2" + defaultConfig.versionCode)
               ndk {
                   abiFilter "armeabi-v7a"
               }
           }
           arm {
               versionCode Integer.parseInt("1" + defaultConfig.versionCode)
               ndk {
                   abiFilter "armeabi"
               }
           }
           fat
       }

       buildTypes {
           release {
               runProguard false
               proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
           }
       }
    }

    dependencies {
       compile 'com.android.support:support-v4:19.0.0'
       compile fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
    }

    As you can see, my build.gradle generates something that is pretty close to the original... but not the same. When i try to run/compile it, gradle spits this out

    Executing tasks: [:Project:assembleArmDebug]

    :Project:compileArmDebugNdkcc1: warning: Project/Module/src/main/jni/ffmpeg/cmdutils.c: not a directory [enabled by default]
    cc1: warning: Project/Module/src/main/jni/ffmpeg/ffmpeg.c: not a directory [enabled by default]
    cc1: warning: Project/Module/src/main/jni/videokit/com_t10_project_util_FfmpegHelper.c: not a directory [enabled by default]
    In file included from Project/Module/src/main/jni/ffmpeg/cmdutils.c:32:0:
    Project/Module/src/main/jni/ffmpeg/libavformat/avformat.h:82:32: fatal error: libavcodec/avcodec.h: No such file or directory
    compilation terminated.
    make: *** [Project/Module/build/ndk/arm/debug/obj/local/armeabi/objs/videokit/Project/Module/src/main/jni/ffmpeg/cmdutils.o] Error 1
    FAILED

    FAILURE: Build failed with an exception.

    * What went wrong:
    Execution failed for task ':Project:compileArmDebugNdk'.
    > com.android.ide.common.internal.LoggedErrorException: Failed to run command:
       android-ndk-r9d/ndk-build NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=Project/Module/build/ndk/arm/debug/Android.mk APP_PLATFORM=android-19 NDK_OUT=Project/Module/build/ndk/arm/debug/obj NDK_LIBS_OUT=Project/Module/build/ndk/arm/debug/lib APP_STL=stlport_shared APP_ABI=armeabi
     Error Code:
       2
     Output:
       cc1: warning: Project/Module/src/main/jni/ffmpeg/cmdutils.c: not a directory [enabled by default]
       cc1: warning: Project/Module/src/main/jni/ffmpeg/ffmpeg.c: not a directory [enabled by default]
       cc1: warning: Project/Module/src/main/jni/videokit/com_t10_project_util_FfmpegHelper.c: not a directory [enabled by default]
       In file included from Project/Module/src/main/jni/ffmpeg/cmdutils.c:32:0:
       Project/Module/src/main/jni/ffmpeg/libavformat/avformat.h:82:32: fatal error: libavcodec/avcodec.h: No such file or directory
       compilation terminated.
       make: *** [Project/Module/build/ndk/arm/debug/obj/local/armeabi/objs/videokit/Project/Module/src/main/jni/ffmpeg/cmdutils.o] Error 1


    * Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

    BUILD FAILED

    Total time: 8.184 secs

    I've been messing around with it for a couple hours now and pretty much every time, i get gradle yelling at me about the fact that it can't find some file. I'm beginning to think that maybe it is because my LOCAL_LDLIBS aren't in the same order as the original...? Im not entirely sure... Does anyone else have any ideas...?

  • Building and importing ffmpeg in other projects in eclipse android

    31 mars 2014, par berserk

    I downloaded the git repository of ffmpeg in my eclipse. It looks like this : image

    I don't know how to build and use it in my project. I am new to NDK. Any help ?

  • Android simple video editor app [on hold]

    30 mars 2014, par gopgop

    I am working on a small android project..

    The goal of the app is to pull video files from the library or images and combine those into a video and save it into the library.

    I already have made the part where it pulls the images and videos, now I am stuck..

    How would you go about combining the images and videos to make one video file using java and android ?

    Can someone please guide me ?

    I have looked around and did not find any clear winner,
    I'd prefer not to use FFmpeg as its not pure java..

    Thanks.