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  • FFMPEG - Audio conversion from MP3 to M3u8 works for some songs, not for others. Look's like it's detecting video ?

    20 avril 2024, par Kyle Orius

    Problem : I need to convert MP3s (of unknown Origin) into M3u8 files so that I can HLS stream them.

    


    This command here works for a song called 'jesussaves.mp3'

    


    ffmpeg -i ../jesussaves.mp3 -c:a aac -b:a 192k -ac 2 -f hls -hls_time 10 -preset ultrafast -flags -global_header master.m3u8

    


    When I change it to use the song 'In my Darkest Hour' - (I've renamed the file to inmydh.mp3) - I only get one TS file output instead of multiple. The log is here : https://ibb.co/5nG0j01

    


    Thank you

    


  • FFMPEG show libavcodec.so : text relocation warning dialog in Android

    3 juillet 2019, par Anand Jain

    Hi all I am using FFMPEG 2.6.1 jar in my libs folder in project and I use same version .so files in my project. Please check below enter image description here

    We use android studio version 2.3.3. Please anyone can tell me how I can remove the below warning dialog.
    enter image description here

  • Unable to integrate ffmpeg as a native dependency for an Android NDK project

    28 février 2019, par mmark

    I have an Android NDK project which consists entirely of C/C++ code, and it basically processes images without using any external libraries.

    I’m using Android Studio + Gradle NDK Experimental plugin (0.7.0-alpha1).

    Now, I need to integrate ffmpeg as a native library to use it from the C/C++ code in order to decode a H.264 video frame.

    These are the questions I’ve found here regarding this issue :

    Android - Integrating ffmpeg and android-ndk-r9c

    Android NDK w/ ffmpeg library - error running project

    Using FFmpeg native libraries with Android-NDK

    Can not build with prebuilt static libraries using gradle-experimental

    Here is my build.gradle file :

    apply plugin: 'com.android.model.application'
    

    
def ffmpeg_path = file(project(':ffmpeg').projectDir).absolutePath + "/ffmpeg-android"
    

    
model {
    

    
    repositories {
    
        libs(PrebuiltLibraries) {
    
            libavcodec {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libavcodec.a")
    
                }
    
            }
    
            libavutil {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libavutil.a")
    
                }
    
            }
    
            libswresample {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libswresample.a")
    
                }
    
            }
    
            libswscale {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libswscale.a")
    
                }
    
            }
    
            libavformat {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libavformat.a")
    
                }
    
            }
    
            libavdevice {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libavdevice.a")
    
                }
    
            }
    
            libavfilter {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libavfilter.a")
    
                }
    
            }
    
            libpostproc {
    
                headers.srcDir "${ffmpeg_path}/include"
    
                binaries.withType(StaticLibraryBinary) {
    
                    staticLibraryFile = file("${ffmpeg_path}/${targetPlatform.getName()}/lib/libpostproc.a")
    
                }
    
            }
    
        }
    
    }
    

    
    android {
    
        compileSdkVersion = 23
    
        buildToolsVersion = "23.0.2"
    

    
        defaultConfig.with {
    
            applicationId = "com.example.hellojni"
    
            minSdkVersion.apiLevel = 4
    
            targetSdkVersion.apiLevel = 23
    
        }
    
    }
    

    
    /*
    
     * native build settings
    
     */
    
    android.ndk {
    
        moduleName = "hello-jni"
    
        platformVersion = 9 //same as minSdkVersion.apiLevel for better compatibility
    
        stl    = "c++_static"
    
        abiFilters.addAll(["armeabi", "armeabi-v7a", "x86"]) //filtering ABIs on the ones Google Play Games library is compatible with.
    
    }
    
    android.buildTypes {
    
        release {
    
            minifyEnabled = false
    
            proguardFiles.add(file('proguard-rules.txt'))
    
        }
    
    }
    

    
    android.sources {
    
        main {
    
            jni {
    
                dependencies {
    
                    library "libavcodec" linkage "static"
    
                    library "libavutil" linkage "static"
    
                    library "libswresample" linkage "static"
    
                    library "libswscale" linkage "static"
    
                    library "libavformat" linkage "static"
    
                    library "libavdevice" linkage "static"
    
                    library "libavfilter" linkage "static"
    
                    library "libpostproc" linkage "static"
    
                }
    
            }
    
        }
    
    }
    

    
}

    I based on this sample from Google which integrates an external native library.

    This is the ffmpeg project I compiled before importing it into mine :
    https://github.com/WritingMinds/ffmpeg-android

    I’ve added all the .a and .h files and I’m able to import the headers in my C/C++ code, but when I try to compile it I get the following error :

    /Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function try_decode_frame: error: undefined reference to 'avpriv_h264_has_num_reorder_frames'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function compute_pkt_fields: error: undefined reference to 'avpriv_h264_has_num_reorder_frames'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function parse_packet: error: undefined reference to 'av_parser_parse2'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function parse_packet: error: undefined reference to 'av_parser_close'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function read_frame_internal: error: undefined reference to 'av_parser_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function avformat_find_stream_info: error: undefined reference to 'av_parser_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function avformat_find_stream_info: error: undefined reference to 'avcodec_pix_fmt_to_codec_tag'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function avformat_find_stream_info: error: undefined reference to 'avpriv_get_raw_pix_fmt_tags'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function ff_stream_add_bitstream_filter: error: undefined reference to 'av_bitstream_filter_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function ff_stream_add_bitstream_filter: error: undefined reference to 'av_bitstream_filter_close'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(utils.o):utils.c:function av_apply_bitstream_filters: error: undefined reference to 'av_bitstream_filter_filter'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(aadec.o):aadec.c:function aa_read_packet: error: undefined reference to 'av_tea_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(aadec.o):aadec.c:function aa_read_packet: error: undefined reference to 'av_tea_crypt'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(aadec.o):aadec.c:function aa_read_header: error: undefined reference to 'av_tea_alloc'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(aadec.o):aadec.c:function aa_read_header: error: undefined reference to 'av_tea_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(aadec.o):aadec.c:function aa_read_header: error: undefined reference to 'av_tea_crypt'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(ac3dec.o):ac3dec.c:function ac3_eac3_probe.isra.0: error: undefined reference to 'avpriv_ac3_parse_header'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(adtsenc.o):adtsenc.c:function adts_write_header: error: undefined reference to 'avpriv_mpeg4audio_get_config'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(adtsenc.o):adtsenc.c:function adts_write_header: error: undefined reference to 'avpriv_copy_pce_data'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(asfcrypt.o):asfcrypt.c:function ff_asfcrypt_dec: error: undefined reference to 'av_rc4_alloc'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(asfcrypt.o):asfcrypt.c:function ff_asfcrypt_dec: error: undefined reference to 'av_rc4_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(asfcrypt.o):asfcrypt.c:function ff_asfcrypt_dec: error: undefined reference to 'av_rc4_crypt'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(asfcrypt.o):asfcrypt.c:function ff_asfcrypt_dec: error: undefined reference to 'av_rc4_init'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(asfcrypt.o):asfcrypt.c:function ff_asfcrypt_dec: error: undefined reference to 'av_rc4_crypt'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(matroska.o):matroska.c:function ff_mkv_stereo3d_conv: error: undefined reference to 'av_stereo3d_alloc'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(nut.o):nut.c:function ff_nut_add_sp: error: undefined reference to 'av_tree_node_alloc'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(nut.o):nut.c:function ff_nut_add_sp: error: undefined reference to 'av_tree_insert'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(nut.o):nut.c:function ff_nut_free_sp: error: undefined reference to 'av_tree_enumerate'
    
/Users/marcos/Documents/Android/fdecoder/ffmpeg/ffmpeg-android/armeabi-v7a/lib/libavformat.a(nut.o):nut.c:function ff_nut_free_sp: error: undefined reference to 'av_tree_destroy'
    
Error:error: ld returned 1 exit status
    
Error:Execution failed for task ':app:linkHello-jniArmeabi-v7aDebugSharedLibrary'.
    
> A build operation failed.
    
      Linker failed while linking libhello-jni.so.
    
  See the complete log at: file:///Users/marcos/Documents/Android/fdecoder/app/build/tmp/linkHello-jniArmeabi-v7aDebugSharedLibrary/output.txt
    
Information:BUILD FAILED
    
Information:Total time: 14.993 secs
    
Information:2 errors
    
Information:0 warnings
    
Information:See complete output in console

    There’s obviously something I’m not importing properly, but can’t figure exactly what’s missing.

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