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  • Stabilize ffmpeg rtsp to hls transmuxing

    26 janvier 2016, par Gust

    I’m using ffmpeg to convert a RTSP stream (from a security camera) into a HLS stream which I then play on a website using hls.js.

    I start the transmuxing with : ffmpeg -i rtsp:<stream> -fflags flush_packets -max_delay 1 -an -flags -global_header -hls_time 1 -hls_list_size 3 -hls_wrap 3 -vcodec copy -y <file>.m3u8</file></stream>

    I can get the stream to play, but the quality isn’t good at all... Sometimes the stream jumps on time or freezes for a while. If I open it using VLC I get the same kind of problems.

    Any idea why ? Or how can I stabilize it ?

  • Conversion does not end using ffmpeg on Android device

    3 février 2016, par Belhaver

    I am trying to make an application with usage of ffmpeg-android-java https://github.com/WritingMinds/ffmpeg-android-java and i have a problem. File conversion just does not end.

    Here is code which i am using :

    try {
    
    // code...
    
        String commandStr = "-y -i /storage/emulated/0/input.mp4 -strict experimental -s " + fileWidth + "x" + fileHeight + " -vcodec libx264 -r 30 /storage/emulated/0/output.mp4";
    

    
        ffmpeg.execute(commandStr, new ExecuteBinaryResponseHandler() {
    
            @Override
    
            public void onSuccess(String message) {
    
                Log.d("FFMPEG success", "");
    
                // code...
    
            }
    

    
            @Override
    
            public void onFailure(String message) {
    

    
                Log.d("FFMPEG failure: ", message);
    
                // code...
    
            }
    

    
            @Override
    
            public void onProgress(String message) {
    
                Log.d("FFMPEG process: ", message);
    
            }
    

    
            @Override
    
            public void onFinish() {
    
                Log.d("FFMPEG done", "");
    
            }
    
        });
    
    } catch (Throwable e) {
    
        e.printStackTrace();
    
    }

    Here is the output process :

    FFMPEG process:: WARNING: linker: /data/data/pl.tradesoft.testowa/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
FFMPEG process:: ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
FFMPEG process::   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
FFMPEG process::   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
FFMPEG process::   libavutil      54.  7.100 / 54.  7.100
    
FFMPEG process::   libavcodec     56.  1.100 / 56.  1.100
    
FFMPEG process::   libavformat    56.  4.101 / 56.  4.101
    
FFMPEG process::   libavdevice    56.  0.100 / 56.  0.100
    
FFMPEG process::   libavfilter     5.  1.100 /  5.  1.100
    
FFMPEG process::   libswscale      3.  0.100 /  3.  0.100
    
FFMPEG process::   libswresample   1.  1.100 /  1.  1.100
    
FFMPEG process::   libpostproc    53.  0.100 / 53.  0.100
    
FFMPEG process:: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/input.mp4':
    
FFMPEG process::   Metadata:
    
FFMPEG process::     major_brand     : isom
    
FFMPEG process::     minor_version   : 512
    
FFMPEG process::     compatible_brands: isomiso2avc1mp41
    
FFMPEG process::     encoder         : Lavf54.63.104
    
FFMPEG process::   Duration: 00:01:00.35, start: 0.000000, bitrate: 3267 kb/s
    
FFMPEG process::     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1368x768 [SAR 1:1 DAR 57:32], 3258 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    
FFMPEG process::     Metadata:
    
FFMPEG process::       handler_name    : VideoHandler
    
FFMPEG process::     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 3 kb/s (default)
    
FFMPEG process::     Metadata:
    
FFMPEG process::       handler_name    : SoundHandler
    
FFMPEG process:: [libx264 @ 0xb5e08800] using SAR=1/1
    
FFMPEG process:: [libx264 @ 0xb5e08800] using cpu capabilities: none!
    
FFMPEG process:: [libx264 @ 0xb5e08800] profile High, level 3.2
    
FFMPEG process:: [libx264 @ 0xb5e08800] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
FFMPEG process:: Output #0, mp4, to '/storage/emulated/0/output.mp4':
    
FFMPEG process::   Metadata:
    
FFMPEG process::     major_brand     : isom
    
FFMPEG process::     minor_version   : 512
    
FFMPEG process::     compatible_brands: isomiso2avc1mp41
    
FFMPEG process::     encoder         : Lavf56.4.101
    
FFMPEG process::     Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1368x768 [SAR 1:1 DAR 57:32], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
    
FFMPEG process::     Metadata:
    
FFMPEG process::       handler_name    : VideoHandler
    
FFMPEG process::       encoder         : Lavc56.1.100 libx264
    
FFMPEG process::     Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
FFMPEG process::     Metadata:
    
FFMPEG process::       handler_name    : SoundHandler
    
FFMPEG process::       encoder         : Lavc56.1.100 aac
    
FFMPEG process:: Stream mapping:
    
FFMPEG process::   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
    
FFMPEG process::   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
FFMPEG process:: Press [q] to stop, [?] for help
    
FFMPEG process:: frame=   16 fps=0.0 q=0.0 size=       0kB time=00:00:00.62 bitrate=   0.6kbits/s    
    
FFMPEG process:: frame=   31 fps= 30 q=0.0 size=       0kB time=00:00:01.11 bitrate=   0.3kbits/s    
    

    
.......
    

    
FFMPEG process:: frame= 1801 fps=2.7 q=29.0 size=    4550kB time=00:01:00.11 bitrate= 620.0kbits/s    
    
FFMPEG process:: frame= 1805 fps=2.7 q=29.0 size=    4552kB time=00:01:00.25 bitrate= 618.8kbits/s    
    
FFMPEG process:: frame= 1808 fps=2.7 q=29.0 size=    4555kB time=00:01:00.30 bitrate= 618.8kbits/s    
    
FFMPEG process:: frame= 1810 fps=2.7 q=-1.0 Lsize=    4640kB time=00:01:00.34 bitrate= 629.9kbits/s    
    
FFMPEG process:: video:4561kB audio:15kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.407034%
    
FFMPEG process:: [libx264 @ 0xb5e08800] frame I:8     Avg QP:16.53  size:114657
    
FFMPEG process:: [libx264 @ 0xb5e08800] frame P:571   Avg QP:19.19  size:  5161
    
FFMPEG process:: [libx264 @ 0xb5e08800] frame B:1231  Avg QP:26.30  size:   654
    
FFMPEG process:: [libx264 @ 0xb5e08800] consecutive B-frames:  8.7%  1.3%  1.3% 88.6%
    
FFMPEG process:: [libx264 @ 0xb5e08800] mb I  I16..4: 19.9% 33.4% 46.7%
    
FFMPEG process:: [libx264 @ 0xb5e08800] mb P  I16..4:  1.7%  2.3%  0.5%  P16..4: 16.5%  2.5%  2.0%  0.0%  0.0%    skip:74.5%
    
FFMPEG process:: [libx264 @ 0xb5e08800] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8:  5.8%  0.4%  0.1%  direct: 0.2%  skip:93.2%  L0:37.8% L1:59.7% BI: 2.5%
    
FFMPEG process:: [libx264 @ 0xb5e08800] 8x8 transform intra:47.6% inter:79.3%
    
FFMPEG process:: [libx264 @ 0xb5e08800] coded y,uvDC,uvAC intra: 38.4% 73.1% 35.2% inter: 2.0% 4.6% 0.4%
    
FFMPEG process:: [libx264 @ 0xb5e08800] i16 v,h,dc,p: 40% 30% 15% 16%
    
FFMPEG process:: [libx264 @ 0xb5e08800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 15% 38%  5%  6%  3%  3%  3%  4%
    
FFMPEG process:: [libx264 @ 0xb5e08800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 26% 18%  5%  6%  4%  4%  3%  3%
    
FFMPEG process:: [libx264 @ 0xb5e08800] i8c dc,h,v,p: 40% 25% 29%  7%
    
FFMPEG process:: [libx264 @ 0xb5e08800] Weighted P-Frames: Y:2.6% UV:2.6%
    
FFMPEG process:: [libx264 @ 0xb5e08800] ref P L0: 68.8%  8.0% 15.3%  7.5%  0.5%
    
FFMPEG process:: [libx264 @ 0xb5e08800] ref B L0: 85.0% 12.4%  2.6%
    
FFMPEG process:: [libx264 @ 0xb5e08800] ref B L1: 94.1%  5.9%
    
FFMPEG process:: [libx264 @ 0xb5e08800] kb/s:619.16

    And that’s all, nothing more is showing up. I was trying to change codec etc. and it didn’t work. Do you have any idea how can i resolve that problem ?

  • ffmpeg android concatenation with different codec [on hold]

    31 mars 2016, par raphwilmes

    I’m trying to concatenate 10 videos, but 5 of them have
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)

    And the rest have
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)

    And my code is :

    String commandForMerge = "";
    
for(int i = 1; i&lt;=numberQuestion;i++){
    
    commandForMerge += "-i "+toDir+"/image"+i+".mp4 -i "+toDir+"/"+i+".mp4 ";
    
}
    
String cmd = commandForMerge+"-filter_complex concat=n=10:v=1:a=1 -y "+toDir+"/input.mp4";
    
execFFmpegBinaryMerge(cmd);

    Here my fonction :

    private void execFFmpegBinaryMerge(final String command) {
    
    try {
    

    
        ffmpeg.execute(command, new ExecuteBinaryResponseHandler() {
    
            @Override
    
            public void onFailure(String s) {
    
            }
    

    
            @Override
    
            public void onSuccess(String s) {
    
            }
    

    
            @Override
    
            public void onProgress(String s) {
    
                txtProcess.setText(txtProcess.getText()+"\n "+s.toString());
    
            }
    

    
            @Override
    
            public void onStart() {
    
                txtProcess.setText("mise en place...");
    
            }
    

    
            @Override
    
            public void onFinish() {
    

    
            }
    
        });
    
    } catch (FFmpegCommandAlreadyRunningException e) {
    
        // do nothing for now
    
    }
    
}

    I use this library : https://github.com/WritingMinds/ffmpeg-android-java

    Edit :

    Now, I’v this : Unable to find a suitable output format for ’[1:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v1] ;’ Invalid Agurment

    My Command is : *ffmpeg -i image1.mp4 -i 1.mp4 -i image2.mp4 -i 2.mp4 -i image3.mp4 -i 3.mp4.mp4 -i image4.mp4 -i 4.mp4 -i image5.mp4 -i .mp4

    - filter-complex
    "[0:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v0] ;
    [1:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v1] ;
    [2:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v2] ;
    [3:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v3] ;
    [4:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v4] ;
    [5:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v5] ;
    [6:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v6] ;
    [7:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v7] ;
    [8:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v8] ;
    [9:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v9] ;"
    ’[v0][0:a][v1][1:a][v2][2:a][v3][3:a][v4][4:a][v5][5:a][v6][6:a][v7][7:a][v8][8:a][v9][9:a]’ concat=n=10:v=1:a=1 -y output.mp4
    *

    Now the "[0:v]scale=-1:480,pad=640:0 :(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v0] ;" pass but not the [1:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v1] ;

    output :

    WARINING:linker : /data/data/vrapp_mobile.com.duoquiz2/files/ffmpeg has text relocation. This is wasting memory and is security risk. Please fix.
    ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developpers built on Oct 7 2014 15:08:46 with gcc 4.8 (GCC)
    configuration :—target-os=linux —cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- —arm=arm —cpu=cortex-a8 —enable-runtime-cpudetect —sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot —enable-pic—enable-libx264 —enable-libass —enable-libfreetype —enable-libfrididi —enable-fontconfig —enable-pthreads —disable-debug —disable-ffserver —enable-version3 —enable-hardcored-tables —disable-ffplay —disable-ffprobe —enable-gpl —enable-yasm —disable-doc —disable-shared —enable-static —pjg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config —prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon —extra-cflags=’-l/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protextor-all -mfpu=neon’ —extra-ldflags=’-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,now -pie’ —extra-libs=’-lpng -lexpat -lm’ —extra-cxxflags =
    libavutil 54. 7.100/54. 7.100
    libavcodec 56 1.100/56. 1.100
    libavformat 56. 4.101/56. 4.101
    libavdevice 56. 0.100/56. 0.100
    libavfilter 5. 1.100/5. 1.100
    libswscale 3. 0.100/3. 0.100
    libswresample 1. 1.100/1. 1.100
    libpostproc 53. 0.100/53. 0.100
    Input #0,mov,mp4,m4a,3gp,mj2, from ’/storage/emulated/0/DuoQuiz/image1.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :512
    compatible_brands:isomiso2avc1mp41
    encoder :Lavf56.4.101
    Duration : 00:00:02.40, start : 0.023021 , bitrate : 334 kb/s
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata :
    handler_name : VideoHandler
    Stream #0:1(und) : Audio.mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 320 kb/s (default)
    Metadata :
    handler_name :SoundHandler
    Input #1,mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DuoQuiz/1.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :0
    compatible_brands:isom3gp4
    creation_time :2016-03-21 16:05:25
    Duration : 00:00:02.73, start : 0.000000, bitrate : 229 kb/s
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)
    Metadata :
    rotate :270
    creation_time :2016-03-21 16:05:25
    handler_name :VideoHandle
    Side data :
    displaymatrix : rotation of 90.00 degrees
    Stream #1:1(eng) : Audio : aac (mp4a / 0x6134706D),44100 Hz, mono, fltp, 49 kb/s (default)
    Metadata :
    creation_time :2016-03-21 16:05:25
    handler_name :SoundHandle
    Input #2,mov,mp4,m4a,3gp,mj2, from ’/storage/emulated/0/DuoQuiz/image2.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :512
    compatible_brands:isomiso2avc1mp41
    encoder :Lavf56.4.101
    Duration : 00:00:02.40, start : 0.023021 , bitrate : 334 kb/s
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata :
    handler_name : VideoHandler
    Stream #0:1(und) : Audio.mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 320 kb/s (default)
    Metadata :
    handler_name :SoundHandler
    Input #3,mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DuoQuiz/2.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :0
    compatible_brands:isom3gp4
    creation_time :2016-03-21 16:05:25
    Duration : 00:00:02.73, start : 0.000000, bitrate : 229 kb/s
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)
    Metadata :
    rotate :270
    creation_time :2016-03-21 16:05:25
    handler_name :VideoHandle
    Side data :
    displaymatrix : rotation of 90.00 degrees
    Stream #1:1(eng) : Audio : aac (mp4a / 0x6134706D),44100 Hz, mono, fltp, 49 kb/s (default)
    Metadata :
    creation_time :2016-03-21 16:05:25
    handler_name :SoundHandle
    Input #4,mov,mp4,m4a,3gp,mj2, from ’/storage/emulated/0/DuoQuiz/image3.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :512
    compatible_brands:isomiso2avc1mp41
    encoder :Lavf56.4.101
    Duration : 00:00:02.40, start : 0.023021 , bitrate : 334 kb/s
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata :
    handler_name : VideoHandler
    Stream #0:1(und) : Audio.mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 320 kb/s (default)
    Metadata :
    handler_name :SoundHandler
    Input #5,mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DuoQuiz/3.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :0
    compatible_brands:isom3gp4
    creation_time :2016-03-21
    Duration : 00:00:02.73, start : 0.000000, bitrate : 229 kb/s
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)
    Metadata :
    rotate :270
    creation_time :2016-03-2116:05:25
    handler_name :VideoHandle
    Side data :
    displaymatrix : rotation of 90.00 degrees
    Stream #1:1(eng) : Audio : aac (mp4a / 0x6134706D),44100 Hz, mono, fltp, 49 kb/s (default)
    Metadata :
    creation_time :2016-03-21 16:05:25
    handler_name :SoundHandle
    Input #6,mov,mp4,m4a,3gp,mj2, from ’/storage/emulated/0/DuoQuiz/image4.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :512
    compatible_brands:isomiso2avc1mp41
    encoder :Lavf56.4.101
    Duration : 00:00:02.40, start : 0.023021 , bitrate : 334 kb/s
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata :
    handler_name : VideoHandler
    Stream #0:1(und) : Audio.mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 320 kb/s (default)
    Metadata :
    handler_name :SoundHandler
    Input #7,mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DuoQuiz/4.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :0
    compatible_brands:isom3gp4
    creation_time :2016-03-21
    Duration : 00:00:02.73, start : 0.000000, bitrate : 229 kb/s
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)
    Metadata :
    rotate :270
    creation_time :2016-03-2116:05:25
    handler_name :VideoHandle
    Side data :
    displaymatrix : rotation of 90.00 degrees
    Stream #1:1(eng) : Audio : aac (mp4a / 0x6134706D),44100 Hz, mono, fltp, 49 kb/s (default)
    Metadata :
    creation_time :2016-03-21 16:05:25
    handler_name :SoundHandle
    Input #8,mov,mp4,m4a,3gp,mj2, from ’/storage/emulated/0/DuoQuiz/image5.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :512
    compatible_brands:isomiso2avc1mp41
    encoder :Lavf56.4.101
    Duration : 00:00:02.40, start : 0.023021 , bitrate : 334 kb/s
    Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p, 600x976 [SAR 1:1 DAR 75:122], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata :
    handler_name : VideoHandler
    Stream #0:1(und) : Audio.mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 320 kb/s (default)
    Metadata :
    handler_name :SoundHandler
    Input #9,mov,mp4,m4a,3gp,3g2,mj2, from ’/storage/emulated/0/DuoQuiz/5.mp4’ :
    Metadata :
    major_brand :isom
    minor_version :0
    compatible_brands:isom3gp4
    creation_time :2016-03-21
    Duration : 00:00:02.73, start : 0.000000, bitrate : 229 kb/s
    Stream #1:0(eng) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480x 175 kb/s, SAR 65536:65536 DAR 4:3, 7.69frp, 23.08 tbr, 90k tbn, 15tbc (default)
    Metadata :
    rotate :270
    creation_time :2016-03-2116:05:25
    handler_name :VideoHandle
    Side data :
    displaymatrix : rotation of 90.00 degrees
    Stream #1:1(eng) : Audio : aac (mp4a / 0x6134706D),44100 Hz, mono, fltp, 49 kb/s (default)
    Metadata :
    creation_time :2016-03-21 16:05:25
    handler_name :SoundHandle
    [AVFilterGraph @ 0x2b5b2e10] No such filter : ""
    Error configuring filter
    *

    On my computer, i try this command :

    -i image1.mp4 -i 1.mp4 -i image2.mp4 -i 2.mp4 -i image3.mp4 -i 3.mp4 -i image4.mp4 -i 4.mp4 -i image5.mp4 -i 5.mp4 -filter_complex "[0:v]scale=-1:480,pad=640:0:(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v0]; [1:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v1]; [2:v]scale=-1:480,pad=640:0:(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v2]; [3:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v3]; [4:v]scale=-1:480,pad=640:0:(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v4]; [5:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v5]; [6:v]scale=-1:480,pad=640:0:(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v6]; [7:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v7]; [8:v]scale=-1:480,pad=640:0:(ow-iw)/2,setsar=1,setpts=PTS-STARTPTS[v8]; [9:v]fps=25,setsar=1,setpts=PTS-STARTPTS[v9]; [v0][0:a][v1][1:a][v2][2:a][v3][3:a][v4][4:a][v5][5:a][v6][6:a][v7][7:a][v8][8:a][v9][9:a] concat=n=10:v=1:a=1" -y output.mp4

    That’s ok on my PC but not on my Android

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