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  • php video upload and ffmpeg won't create a thumbnail

    18 mai 2020, par Azzo

    I am trying to make a video upload feature for my project. But I have a problem with ffmpeg section. ffmpeg is already installed on my server. But i can not get any thumbnail. I have try to create thumbnail using the following code :

    



    $videoa = exec("/usr/bin/ffmpeg  -i $videoUrlp.flv -f flv -s 650x390 $videoUrlp.mp4 2>&1");
$videob = exec("/usr/bin/ffmpeg  -i $videoUrlp.mp4 -vcodec png -ss 00:00:5 -s 650x390 -vframes 1 -an -f rawvideo $videoUrlp.png");


    



    But i ge this when use var_dump(); for var_dump($videoa); and var_dump($videob);

    



    


    string(74) "https://mywebsite.com/uploads/video/ey1kXNew_video.flv :
 Input/output error" string(0) ""

    


    



    Also if i use the shell_exec like this :

    



    $videoa = shell_exec("/usr/bin/ffmpeg  -i $videoUrlp.flv -f flv -s 650x390 $videoUrlp.mp4");
$videob = shell_exec("/usr/bin/ffmpeg  -i $videoUrlp.mp4 -vcodec png -ss 00:00:5 -s 650x390 -vframes 1 -an -f rawvideo $videoUrlp.png");


    



    and the var_dumps() giving me NULL NULL.

    



    Please help me where am I wrong.

    



    And here is my full video upload code :

    



    $valid_formats = array("mp4","MP4","flv");
            if(isset($_POST) and $_SERVER['REQUEST_METHOD'] == "POST") {
               $name = $_FILES['uploading']['name'];
               $size = $_FILES['uploading']['size'];
               if(strlen($name)) {
                   $ext = strtolower(pathinfo($name, PATHINFO_EXTENSION)); 
                   $name = alphaID(microtime(true) * 10000).'_video';
                   if(in_array($ext,$valid_formats)) {
                   if($size<(50024*50024)) {
                      $GetVideoName = $name;
                      $video_ext=$ext;
                       $tmp = $_FILES['uploading']['tmp_name'];
                       if(move_uploaded_file($tmp, $videoPath.$GetVideoName.'.'.$video_ext)) {
                           $videoUrlp = $base_url.'uploads/video/'.$GetVideoName;
                           $videoa = exec("/usr/bin/ffmpeg  -i $videoUrlp.flv -f flv -s 650x390 $videoUrlp.mp4 2>&1");
                           $videob = exec("/usr/bin/ffmpeg  -i $videoUrlp.mp4 -vcodec png -ss 00:00:5 -s 650x390 -vframes 1 -an -f rawvideo $videoUrlp.png");
                           echo var_dump($videoa);
                           echo var_dump($videob);

                        } else {
                            echo "Fail upload folder with read access.";
                        }
                     } else
                        echo "Image file size max 1 MB";                    
                     } else
                        echo "invalidvieo"; 
                 } else
                    echo "Please select image..!";
                 exit;
              }


    



    I have tested also like this way :

    



    echo exec("/usr/bin/ffmpeg -i $videoUrlp.flv -ar 22050 -ab 32 -f flv -s 780x400 $videoUrlp.$video_ext");
echo exec("/usr/bin/ffmpeg -i $videoUrlp.$video_ext -deinterlace -an -ss 1 -t 00:00:05 -r 1 -y -vcodec mjpeg -f mjpeg $videoUrlp.png 2>&1");


    



    and I see the following echo

    



    video:71kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000%

    



    and another try then I get this note : https://mywebsite.com/uploads/video/1547892356_video.flv : Connection refused

    



    echo exec("/usr/bin/ffmpeg -i $videoUrlp.flv -ar 22050 -ab 32 -f flv -s 780x400 $videoUrlp.$video_ext");
echo exec("/usr/bin/ffmpeg -i $videoUrlp.$video_ext -deinterlace -an -ss 1 -t 00:00:05 -r 1 -y -vcodec mjpeg -f mjpeg $videoUrlp.png 2>&1");


    



    Here is last shell_exec Output :

    



     $local = 'https://website.com/uploads/video/'.$GetVideoName.'.'.$video_ext;
 $localTumb = 'https://website.com/uploads/video/'.$GetVideoName.'.png';
 echo shell_exec("/usr/bin/ffmpeg -i $local -deinterlace -an -ss 1 -t 00:00:05 -r 1 -y -vcodec mjpeg -f mjpeg $localTumb 2>&1");    


    



    


    ffmpeg version 2.8.15 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-36)
 configuration : —prefix=/usr —bindir=/usr/bin
    
 —datadir=/usr/share/ffmpeg —incdir=/usr/include/ffmpeg —libdir=/usr/lib64 —mandir=/usr/share/man —arch=x86_64 —optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong —param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' —extra-ldflags='-Wl,-z,relro ' —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libvo-amrwbenc —enable-version3 —enable-bzlib —disable-crystalhd —enable-gnutls —enable-ladspa —enable-libass —enable-libcdio —enable-libdc1394 —enable-libfdk-aac —enable-nonfree —disable-indev=jack —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-openal —enable-libopenjpeg —enable-libopus —enable-libpulse —enable-libschroedinger —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libvorbis —enable-libv4l2 —enable-libx264 —enable-libx265 —enable-libxvid —enable-x11grab —enable-avfilter —enable-avresample —enable-postproc —enable-pthreads —disable-static —enable-shared —enable-gpl —disable-debug —disable-stripping —shlibdir=/usr/lib64 —enable-runtime-cpudetect libavutil 54. 31.100 / 54. 31.100 libavcodec 56. 60.100 / 56. 60.100 libavformat 56. 40.101 / 56.
 40.101 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 40.101 / 5. 40.101 libavresample 2. 1. 0 / 2. 1. 0 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 2.101 / 1. 2.101 libpostproc 53. 3.100 / 53. 3.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://website.com/uploads/video/e0J6HwtK_video.mp4' : Metadata :
 major_brand : mp42 minor_version : 0 compatible_brands : isommp42
 creation_time : 2018-01-01 12:09:49 Duration : 00:00:41.49, start :
 0.000000, bitrate : 230 kb/s Stream #0:0(und) : Video : h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 240x360 [SAR 1:1 DAR 2:3], 158
 kb/s, 9.73 fps, 9.73 tbr, 19462 tbn, 19.46 tbc (default) Metadata :
 handler_name : VideoHandler Stream #0:1(und) : Audio : aac (LC) (mp4a /
 0x6134706D), 44100 Hz, mono, fltp, 71 kb/s (default) Metadata :
 creation_time : 2018-01-01 12:09:49 handler_name : IsoMedia File
 Produced by Google, 5-11-2011 [swscaler @ 0xc8c580] deprecated pixel
 format used, make sure you did set range correctly Output #0, mjpeg,
 to 'https://website.com/uploads/video/e0J6HwtK_video.png' : Metadata :
 major_brand : mp42 minor_version : 0 compatible_brands : isommp42
 encoder : Lavf56.40.101 Stream #0:0(und) : Video : mjpeg, yuvj420p(pc),
 240x360 [SAR 1:1 DAR 2:3], q=2-31, 200 kb/s, 1 fps, 1 tbn, 1 tbc
 (default) Metadata : handler_name : VideoHandler encoder :
 Lavc56.60.100 mjpeg Stream mapping : Stream #0:0 -> #0:0 (h264 (native)
 -> mjpeg (native)) Press [q] to stop, [?] for help frame= 5 fps=0.0 q=1.6 Lsize= 100kB time=00:00:05.00 bitrate= 163.9kbits/s dup=0
 drop=32 video:100kB audio:0kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead : 0.000000%

    


    


  • ffmpeg conversion of jpg to mp4 fails due to to jpg frames change

    14 janvier 2019, par Sebastien Damaye

    I’m trying to compile a set of jpg (camera screenshots taken every 5 seconds) to a mp4. The ffmpeg command works fine but the resulting mp4 is missing some images. I noticed that the "holes" are created when the jpg "frames" is changing from 1 to 3 in the jpg sequence (see below result of file that shows frames 1 for the 1st jpg and frames 3 for the 2nd one) :

    $ file 20190110060113.jpg
    
20190110060113.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, baseline, precision 8, 1280x720, frames 1
    

    
$ file 20190110060119.jpg
    
20190110060119.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, baseline, precision 8, 1280x720, frames 3

    And with ffmpeg, it sows :

    ffmpeg -i 20190110060113.jpg -i 20190110060119.jpg
    
ffmpeg version 3.2.10-1~deb9u1~bpo8+1 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 4.9.2 (Debian 4.9.2-10)
    
  configuration: --prefix=/usr --extra-version='1~deb9u1~bpo8+1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --disable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      55. 34.101 / 55. 34.101
    
  libavcodec     57. 64.101 / 57. 64.101
    
  libavformat    57. 56.101 / 57. 56.101
    
  libavdevice    57.  1.100 / 57.  1.100
    
  libavfilter     6. 65.100 /  6. 65.100
    
  libavresample   3.  1.  0 /  3.  1.  0
    
  libswscale      4.  2.100 /  4.  2.100
    
  libswresample   2.  3.100 /  2.  3.100
    
  libpostproc    54.  1.100 / 54.  1.100
    
Input #0, image2, from '20190110060113.jpg':
    
  Duration: 00:00:00.04, start: 0.000000, bitrate: 13395 kb/s
    
    Stream #0:0: Video: mjpeg, gray(bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
    
Input #1, image2, from '20190110060119.jpg':
    
  Duration: 00:00:00.04, start: 0.000000, bitrate: 21463 kb/s
    
    Stream #1:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
    
At least one output file must be specified

    Below is the command I’m using to compile the mp4 from the jpg :

    ffmpeg -r 25 -f image2 -s 1280x720 -i /data/camipjpg/%*.jpg -vcodec libx264 -crf 25 -pix_fmt yuv420p /data/camipmgpg/20190110.mp4

    For the sake of curiosity, I investigated and noticed that the camera actually has 2 modes (day and night). Images taken during the night have frames 1 while images taken on the "day" mode have frames 3.

    Is there a way ffmpeg can handle that kind of jpg changes to combine these different types of jpg ?

    Here is the output :

    ffmpeg version 3.2.10-1~deb9u1~bpo8+1 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 4.9.2 (Debian 4.9.2-10)
    
  configuration: --prefix=/usr --extra-version='1~deb9u1~bpo8+1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --disable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      55. 34.101 / 55. 34.101
    
  libavcodec     57. 64.101 / 57. 64.101
    
  libavformat    57. 56.101 / 57. 56.101
    
  libavdevice    57.  1.100 / 57.  1.100
    
  libavfilter     6. 65.100 /  6. 65.100
    
  libavresample   3.  1.  0 /  3.  1.  0
    
  libswscale      4.  2.100 /  4.  2.100
    
  libswresample   2.  3.100 /  2.  3.100
    
  libpostproc    54.  1.100 / 54.  1.100
    
[image2 @ 0x55aed5072ba0] Pattern type 'glob_sequence' is deprecated: use pattern_type 'glob' instead
    
Input #0, image2, from 'bcp/%*.jpg':
    
  Duration: 00:09:07.24, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: mjpeg, gray(bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
    
[libx264 @ 0x55aed50b8300] using SAR=1/1
    
[libx264 @ 0x55aed50b8300] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
[libx264 @ 0x55aed50b8300] profile High, level 3.1
    
[libx264 @ 0x55aed50b8300] 264 - core 142 r2431 a5831aa - 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=25.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to 'test.mp4':
    
  Metadata:
    
    encoder         : Lavf57.56.101
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 12800 tbn, 25 tbc
    
    Metadata:
    
      encoder         : Lavc57.64.101 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
Input stream #0:0 frame changed from size:1280x720 fmt:gray to size:1280x720 fmt:yuvj422p.937x    
    
[swscaler @ 0x55aed5b56e80] deprecated pixel format used, make sure you did set range correctly
    
Input stream #0:0 frame changed from size:1280x720 fmt:yuvj422p to size:1280x720 fmt:grayrop=3023 speed=0.717x    
    
Input stream #0:0 frame changed from size:1280x720 fmt:gray to size:1280x720 fmt:yuvj422p
    
[swscaler @ 0x55aed550fc20] deprecated pixel format used, make sure you did set range correctly
    
Input stream #0:0 frame changed from size:1280x720 fmt:yuvj422p to size:1280x720 fmt:grayrop=6171 speed=0.625x    
    
frame= 7156 fps= 16 q=-1.0 Lsize=   80319kB time=00:04:46.12 bitrate=2299.6kbits/s dup=0 drop=6525 speed=0.621x    
    
video:80233kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.107008%
    
[libx264 @ 0x55aed50b8300] frame I:30    Avg QP:23.39  size: 82468
    
[libx264 @ 0x55aed50b8300] frame P:2917  Avg QP:26.31  size: 21742
    
[libx264 @ 0x55aed50b8300] frame B:4209  Avg QP:28.37  size:  3864
    
[libx264 @ 0x55aed50b8300] consecutive B-frames:  0.9% 49.6% 37.1% 12.4%
    
[libx264 @ 0x55aed50b8300] mb I  I16..4:  7.3% 88.2%  4.6%
    
[libx264 @ 0x55aed50b8300] mb P  I16..4:  2.7%  4.6%  0.4%  P16..4: 37.5% 12.7% 10.4%  0.0%  0.0%    skip:31.7%
    
[libx264 @ 0x55aed50b8300] mb B  I16..4:  0.7%  1.1%  0.1%  B16..8: 33.4%  2.7%  0.3%  direct: 1.0%  skip:60.5%  L0:58.0% L1:37.1% BI: 4.9%
    
[libx264 @ 0x55aed50b8300] 8x8 transform intra:61.4% inter:88.3%
    
[libx264 @ 0x55aed50b8300] coded y,uvDC,uvAC intra: 34.6% 27.8% 4.0% inter: 16.8% 5.4% 0.1%
    
[libx264 @ 0x55aed50b8300] i16 v,h,dc,p: 36% 21% 17% 27%
    
[libx264 @ 0x55aed50b8300] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 13% 42%  3%  4%  4%  5%  3%  4%
    
[libx264 @ 0x55aed50b8300] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 12% 19%  6%  8%  9%  7%  6%  5%
    
[libx264 @ 0x55aed50b8300] i8c dc,h,v,p: 75% 11% 13%  1%
    
[libx264 @ 0x55aed50b8300] Weighted P-Frames: Y:34.5% UV:6.4%
    
[libx264 @ 0x55aed50b8300] ref P L0: 41.0% 13.8% 22.0% 17.7%  5.5%
    
[libx264 @ 0x55aed50b8300] ref B L0: 39.0% 50.9% 10.1%
    
[libx264 @ 0x55aed50b8300] ref B L1: 84.5% 15.5%
    
[libx264 @ 0x55aed50b8300] kb/s:2296.19

    Thx in advance for your help.

  • HLS Event Stream from Azure Blob Storage

    23 janvier 2019, par nemesis_567

    Alright, so I encode videos of around 30 seconds with ffmpeg, the following flags :

    ffmpeg.exe -i \"{filename}\"  -f hls -hls_segment_type fmp4 -hls_flags single_file -hls_time 5 -g 1 \"{outname}.m3u8\"

    This generates a single playlist with an m4s and m3u8 file :

    #EXTM3U
    
#EXT-X-VERSION:7
    
#EXT-X-TARGETDURATION:5
    
#EXT-X-MEDIA-SEQUENCE:0
    
#EXT-X-MAP:URI="1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s",BYTERANGE="818@0"
    
#EXTINF:4.781911,
    
#EXT-X-BYTERANGE:1398720@5953584
    
1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s
    
#EXTINF:5.063200,
    
#EXT-X-BYTERANGE:1490276@7352304
    
1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s
    
#EXTINF:5.063200,
    
#EXT-X-BYTERANGE:1484824@8842580
    
1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s
    
#EXTINF:5.063200,
    
#EXT-X-BYTERANGE:1468656@10327404
    
1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s
    
#EXTINF:1.969022,
    
#EXT-X-BYTERANGE:576408@11796060
    
1e02982a-c455-40f5-8229-1033a640c91c-0.mp4.m4s
    
#EXT-X-ENDLIST

    I take this playlist and append several others that are just the same as they come adding a DIscontinuity tag and between each of them and removing unneeded tags. While doing this I replace the filenames with a working SAS URL for the actual files.

    Which results in files of the following type :

    #EXTM3U
    
#EXT-X-PLAYLIST-TYPE:EVENT
    
#EXT-X-VERSION:7
    
#EXT-X-TARGETDURATION:10
    
#EXT-X-MEDIA-SEQUENCE:0
    
#EXT-X-INDEPENDENT-SEGMENTS
    
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#EXTINF:4.654771,
    
#EXT-X-BYTERANGE:1474761@4854677
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/1-frag.m4s?sv=2018-03-28&sr=b&sig=el%2F529BGb4Xjeetiv9kxaHAxGYC%2BwogSYgvCivq1tlc%3D&st=2019-01-10T05%3A09%3A13Z&se=2021-01-10T05%3A14%3A13Z&sp=rw
    
#EXTINF:5.430566,
    
#EXT-X-BYTERANGE:1716825@6329438
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/1-frag.m4s?sv=2018-03-28&sr=b&sig=el%2F529BGb4Xjeetiv9kxaHAxGYC%2BwogSYgvCivq1tlc%3D&st=2019-01-10T05%3A09%3A13Z&se=2021-01-10T05%3A14%3A13Z&sp=rw
    
#EXTINF:4.654771,
    
#EXT-X-BYTERANGE:1479725@8046263
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/1-frag.m4s?sv=2018-03-28&sr=b&sig=el%2F529BGb4Xjeetiv9kxaHAxGYC%2BwogSYgvCivq1tlc%3D&st=2019-01-10T05%3A09%3A13Z&se=2021-01-10T05%3A14%3A13Z&sp=rw
    
#EXTINF:5.430566,
    
#EXT-X-BYTERANGE:1710125@9525988
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/1-frag.m4s?sv=2018-03-28&sr=b&sig=el%2F529BGb4Xjeetiv9kxaHAxGYC%2BwogSYgvCivq1tlc%3D&st=2019-01-10T05%3A09%3A13Z&se=2021-01-10T05%3A14%3A13Z&sp=rw
    
#EXTINF:3.103181,
    
#EXT-X-BYTERANGE:200@11236113
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/1-frag.m4s?sv=2018-03-28&sr=b&sig=el%2F529BGb4Xjeetiv9kxaHAxGYC%2BwogSYgvCivq1tlc%3D&st=2019-01-10T05%3A09%3A13Z&se=2021-01-10T05%3A14%3A13Z&sp=rw
    
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#EXTINF:4.897959,
    
#EXT-X-BYTERANGE:1506220@6184008
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/2-frag.m4s?sv=2018-03-28&sr=b&sig=s3s3R1sjE6lZRgfmaYdOkOGCr7BYkOrygBy%2F90crwvM%3D&st=2019-01-10T05%3A09%3A53Z&se=2021-01-10T05%3A14%3A53Z&sp=rw
    
#EXTINF:4.897959,
    
#EXT-X-BYTERANGE:1496289@7690228
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/2-frag.m4s?sv=2018-03-28&sr=b&sig=s3s3R1sjE6lZRgfmaYdOkOGCr7BYkOrygBy%2F90crwvM%3D&st=2019-01-10T05%3A09%3A53Z&se=2021-01-10T05%3A14%3A53Z&sp=rw
    
#EXTINF:4.897959,
    
#EXT-X-BYTERANGE:1516854@9186517
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/2-frag.m4s?sv=2018-03-28&sr=b&sig=s3s3R1sjE6lZRgfmaYdOkOGCr7BYkOrygBy%2F90crwvM%3D&st=2019-01-10T05%3A09%3A53Z&se=2021-01-10T05%3A14%3A53Z&sp=rw
    
#EXTINF:4.897959,
    
#EXT-X-BYTERANGE:1492617@10703371
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/2-frag.m4s?sv=2018-03-28&sr=b&sig=s3s3R1sjE6lZRgfmaYdOkOGCr7BYkOrygBy%2F90crwvM%3D&st=2019-01-10T05%3A09%3A53Z&se=2021-01-10T05%3A14%3A53Z&sp=rw
    
#EXTINF:0.816327,
    
#EXT-X-BYTERANGE:219@12195988
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/2-frag.m4s?sv=2018-03-28&sr=b&sig=s3s3R1sjE6lZRgfmaYdOkOGCr7BYkOrygBy%2F90crwvM%3D&st=2019-01-10T05%3A09%3A53Z&se=2021-01-10T05%3A14%3A53Z&sp=rw
    
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#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1352781@6631869
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/3-frag.m4s?sv=2018-03-28&sr=b&sig=O%2B%2FQBnVcyIzn2r3T8S7xq2dic9LKW3q7p2bGSYen%2BbI%3D&st=2019-01-10T05%3A10%3A43Z&se=2021-01-10T05%3A15%3A43Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1357320@7984650
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/3-frag.m4s?sv=2018-03-28&sr=b&sig=O%2B%2FQBnVcyIzn2r3T8S7xq2dic9LKW3q7p2bGSYen%2BbI%3D&st=2019-01-10T05%3A10%3A43Z&se=2021-01-10T05%3A15%3A43Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1360645@9341970
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/3-frag.m4s?sv=2018-03-28&sr=b&sig=O%2B%2FQBnVcyIzn2r3T8S7xq2dic9LKW3q7p2bGSYen%2BbI%3D&st=2019-01-10T05%3A10%3A43Z&se=2021-01-10T05%3A15%3A43Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1334946@10702615
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/3-frag.m4s?sv=2018-03-28&sr=b&sig=O%2B%2FQBnVcyIzn2r3T8S7xq2dic9LKW3q7p2bGSYen%2BbI%3D&st=2019-01-10T05%3A10%3A43Z&se=2021-01-10T05%3A15%3A43Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:238@12037561
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/3-frag.m4s?sv=2018-03-28&sr=b&sig=O%2B%2FQBnVcyIzn2r3T8S7xq2dic9LKW3q7p2bGSYen%2BbI%3D&st=2019-01-10T05%3A10%3A43Z&se=2021-01-10T05%3A15%3A43Z&sp=rw
    
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#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1359259@6647772
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=jPsSq8%2FfNzfjUx5bauJs7mkLu8w%2FYFKLaeLRBu8lPzg%3D&st=2019-01-10T05%3A11%3A25Z&se=2021-01-10T05%3A16%3A25Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1353269@8007031
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=jPsSq8%2FfNzfjUx5bauJs7mkLu8w%2FYFKLaeLRBu8lPzg%3D&st=2019-01-10T05%3A11%3A25Z&se=2021-01-10T05%3A16%3A25Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1359724@9360300
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=jPsSq8%2FfNzfjUx5bauJs7mkLu8w%2FYFKLaeLRBu8lPzg%3D&st=2019-01-10T05%3A11%3A25Z&se=2021-01-10T05%3A16%3A25Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1339437@10720024
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=jPsSq8%2FfNzfjUx5bauJs7mkLu8w%2FYFKLaeLRBu8lPzg%3D&st=2019-01-10T05%3A11%3A25Z&se=2021-01-10T05%3A16%3A25Z&sp=rw
    
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#EXT-X-BYTERANGE:238@12059461
    
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#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1371742@6775319
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=yfgkYvCLFjt384tsDZZ2ahVfPI4XxoCyyWepmux4rvc%3D&st=2019-01-10T05%3A12%3A12Z&se=2021-01-10T05%3A17%3A12Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1389742@8147061
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=yfgkYvCLFjt384tsDZZ2ahVfPI4XxoCyyWepmux4rvc%3D&st=2019-01-10T05%3A12%3A12Z&se=2021-01-10T05%3A17%3A12Z&sp=rw
    
#EXTINF:5.000000,
    
#EXT-X-BYTERANGE:1377900@9536803
    
https://vsatstreams.blob.core.windows.net/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/75888d6c-41fb-4cb0-9573-0e2ab7a6dc4c/4-frag.m4s?sv=2018-03-28&sr=b&sig=yfgkYvCLFjt384tsDZZ2ahVfPI4XxoCyyWepmux4rvc%3D&st=2019-01-10T05%3A12%3A12Z&se=2021-01-10T05%3A17%3A12Z&sp=rw
    
#EXTINF:5.000000,

    Link for file is here

    This stream does not play in chrome with video.js, and only plays in bitmovin client, but it constantly fails with buffer append/stalled errors. In firefox it plays, but without much reliability.

    So what am I doing wrong in this process ? I’ve checked the specification for HLS several times, can’t see what I’m doing wrong, or what the player expects.

    Please check hls.js player, with the following URL which uses the stream above to see what I’m talking about.
    HLS.JS Demo Player With My Playlist

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