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Autres articles (78)

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
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Sur d’autres sites (7517)

  • FFMPEG compand function does not work properly

    26 décembre 2020, par dereks

    This command limits the audio to -0.01dB :

    


    ffmpeg -y -i inp.wav -filter_complex "compand=0:0:-80/-80|-0.01/-0.01|20/-0.01" -c:a pcm_f64le out.wav


    


    But when I set attacks and decays it does nothing :

    


    ffmpeg -y -i inp.wav -filter_complex "compand=.1:.2:-80/-80|-0.01/-0.01|20/-0.01" -c:a pcm_f64le out.wav


    


    out.wav is the same as inp.wav.

    


    ffmpeg version 2020-12-24-git-9a0f5e412a-full_build-www.gyan.dev on Windows 10.

    


  • How do you use FFMPEG to transcode h264_qsv from Apple PRORES Quicktime ?

    4 décembre 2022, par RCJetPilot

    I am trying to transcode an Apple Prores 444 to H.264 using qsv without success.

    


    If I use this command line :

    


    ffmpeg -i 10minute_Pipeline_Test.mov -c:v h264_qsv -c:a aac -pix_fmt qsv  chris.mp4

    


    I get :

    


    ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-17ubuntu1~20.04)
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-nonfree --enable-libmfx
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '10minute_Pipeline_Test.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537134592
    compatible_brands: qt  
    creation_time   : 2020-12-19T12:43:38.000000Z
    com.apple.quicktime.author: 
    com.apple.quicktime.comment: 
    com.apple.quicktime.copyright: 
    com.apple.quicktime.description: 
    com.apple.quicktime.director: 
    com.apple.quicktime.genre: 
    com.apple.quicktime.information: 
    com.apple.quicktime.keywords: 
    com.apple.quicktime.producer: 
    com.apple.quicktime.displayname: 
    timecode        : 12:43:37;28
  Duration: 00:10:06.72, start: 0.000000, bitrate: 167429 kb/s
    Stream #0:0(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      creation_time   : 1970-01-04T00:49:14.000000Z
      timecode        : 12:43:37;28
    Stream #0:1(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, GBR, progressive), 1280x720, 164985 kb/s, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 60k tbn, 60k tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:04.000000Z
    Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2003-10-05T11:26:56.000000Z
File 'chris.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:1 -> #0:0 (prores (native) -> h264 (h264_qsv))
  Stream #0:2 -> #0:1 (pcm_s24le (native) -> aac (native))
Press [q] to stop, [?] for help
[h264_qsv @ 0x56265b81a800] Selected ratecontrol mode is unsupported
[h264_qsv @ 0x56265b81a800] Low power mode is unsupported
[h264_qsv @ 0x56265b81a800] Current frame rate is unsupported
[h264_qsv @ 0x56265b81a800] Current picture structure is unsupported
[h264_qsv @ 0x56265b81a800] Current resolution is unsupported
[h264_qsv @ 0x56265b81a800] Current pixel format is unsupported
[h264_qsv @ 0x56265b81a800] some encoding parameters are not supported by the QSV runtime. Please double check the input parameters.
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!
user@NUC:~$ ffmpeg -i 10minute_Pipeline_Test.mov -c:v h264_qsv -c:a aac -pix_fmt qsv  chris.mp4
ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-17ubuntu1~20.04)
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-nonfree --enable-libmfx
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '10minute_Pipeline_Test.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537134592
    compatible_brands: qt  
    creation_time   : 2020-12-19T12:43:38.000000Z
    com.apple.quicktime.author: 
    com.apple.quicktime.comment: 
    com.apple.quicktime.copyright: 
    com.apple.quicktime.description: 
    com.apple.quicktime.director: 
    com.apple.quicktime.genre: 
    com.apple.quicktime.information: 
    com.apple.quicktime.keywords: 
    com.apple.quicktime.producer: 
    com.apple.quicktime.displayname: 
    timecode        : 12:43:37;28
  Duration: 00:10:06.72, start: 0.000000, bitrate: 167429 kb/s
    Stream #0:0(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      creation_time   : 1970-01-04T00:49:14.000000Z
      timecode        : 12:43:37;28
    Stream #0:1(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, GBR, progressive), 1280x720, 164985 kb/s, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 60k tbn, 60k tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:04.000000Z
    Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2003-10-05T11:26:56.000000Z
File 'chris.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:1 -> #0:0 (prores (native) -> h264 (h264_qsv))
  Stream #0:2 -> #0:1 (pcm_s24le (native) -> aac (native))
Press [q] to stop, [?] for help
Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:1
Conversion failed!


    


    If I use :

    


    ffmpeg -i 10minute_Pipeline_Test.mov -c:v h264_qsv -c:a aac  chris.mp4

    


    I get :

    


    ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-17ubuntu1~20.04)
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-nonfree --enable-libmfx
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '10minute_Pipeline_Test.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537134592
    compatible_brands: qt  
    creation_time   : 2020-12-19T12:43:38.000000Z
    com.apple.quicktime.author: 
    com.apple.quicktime.comment: 
    com.apple.quicktime.copyright: 
    com.apple.quicktime.description: 
    com.apple.quicktime.director: 
    com.apple.quicktime.genre: 
    com.apple.quicktime.information: 
    com.apple.quicktime.keywords: 
    com.apple.quicktime.producer: 
    com.apple.quicktime.displayname: 
    timecode        : 12:43:37;28
  Duration: 00:10:06.72, start: 0.000000, bitrate: 167429 kb/s
    Stream #0:0(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      creation_time   : 1970-01-04T00:49:14.000000Z
      timecode        : 12:43:37;28
    Stream #0:1(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, GBR, progressive), 1280x720, 164985 kb/s, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 60k tbn, 60k tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:04.000000Z
    Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2003-10-05T11:26:56.000000Z
File 'chris.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:1 -> #0:0 (prores (native) -> h264 (h264_qsv))
  Stream #0:2 -> #0:1 (pcm_s24le (native) -> aac (native))
Press [q] to stop, [?] for help
Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:1
Conversion failed!
user@NUC:~$ ffmpeg -i 10minute_Pipeline_Test.mov -c:v h264_qsv -c:a aac  chris.mp4
ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-17ubuntu1~20.04)
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-nonfree --enable-libmfx
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '10minute_Pipeline_Test.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537134592
    compatible_brands: qt  
    creation_time   : 2020-12-19T12:43:38.000000Z
    com.apple.quicktime.author: 
    com.apple.quicktime.comment: 
    com.apple.quicktime.copyright: 
    com.apple.quicktime.description: 
    com.apple.quicktime.director: 
    com.apple.quicktime.genre: 
    com.apple.quicktime.information: 
    com.apple.quicktime.keywords: 
    com.apple.quicktime.producer: 
    com.apple.quicktime.displayname: 
    timecode        : 12:43:37;28
  Duration: 00:10:06.72, start: 0.000000, bitrate: 167429 kb/s
    Stream #0:0(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      creation_time   : 1970-01-04T00:49:14.000000Z
      timecode        : 12:43:37;28
    Stream #0:1(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, GBR, progressive), 1280x720, 164985 kb/s, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 60k tbn, 60k tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:04.000000Z
    Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2003-10-05T11:26:56.000000Z
File 'chris.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:1 -> #0:0 (prores (native) -> h264 (h264_qsv))
  Stream #0:2 -> #0:1 (pcm_s24le (native) -> aac (native))
Press [q] to stop, [?] for help
[h264_qsv @ 0x55b3bb6e8800] Selected ratecontrol mode is unsupported
[h264_qsv @ 0x55b3bb6e8800] Low power mode is unsupported
[h264_qsv @ 0x55b3bb6e8800] Current frame rate is unsupported
[h264_qsv @ 0x55b3bb6e8800] Current picture structure is unsupported
[h264_qsv @ 0x55b3bb6e8800] Current resolution is unsupported
[h264_qsv @ 0x55b3bb6e8800] Current pixel format is unsupported
[h264_qsv @ 0x55b3bb6e8800] some encoding parameters are not supported by the QSV runtime. Please double check the input parameters.
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!


    


    I cannot get ANYTHING to work. I can transcode other h264 files without issue. I cannot seem to transcode this prores file.

    


    Here is a link to the source file if anyone can help I would REALLY appreciate it...

    


    https://www.dropbox.com/s/ejrfzad20yzaifm/10minute_Pipeline_Test.mov?dl=1

    


  • xabe.ffmpeg not working in azure app service

    28 décembre 2020, par Sripathi Raja

    I have a .net core application which generates video thumbnails for uploaded videos. I am using xabe.ffmpeg for this . The code runs fine in the local system and Iam able to generate the thumbnails . I have containerized this application and pushed it to azure app service . But when the code is deployed on azure app service its throws an error . I have placed the ffmpeg.exe ,ffprobe.exe , ffplay.exe inside a folder ffmpeg in wwwroot folder .
the app service logs give this error

    


    the first line is the path : /app/wwwroot/ffmpeg

    


    2020-12-25T14:34:01.347103909Z /app/wwwroot/ffmpeg&#xA;2020-12-25T14:34:01.443016709Z [41m[30mfail[39m[22m[49m : Microsoft.AspNetCore.Server.Kestrel[13]&#xA;2020-12-25T14:34:01.443066009Z Connection id "0HM58S8AE014U", Request id "0HM58S8AE014U:00000002" : An unhandled exception was thrown by the application.&#xA;2020-12-25T14:34:01.456821709Z System.ComponentModel.Win32Exception (2) : No such file or directory&#xA;2020-12-25T14:34:01.462537109Z at System.Diagnostics.Process.ForkAndExecProcess(String filename, String[] argv, String[] envp, String cwd, Boolean redirectStdin, Boolean redirectStdout, Boolean redirectStderr, Boolean setCredentials, UInt32 userId, UInt32 groupId, UInt32[] groups, Int32& stdinFd, Int32& stdoutFd, Int32& stderrFd, Boolean usesTerminal, Boolean throwOnNoExec)&#xA;2020-12-25T14:34:01.462555709Z at System.Diagnostics.Process.StartCore(ProcessStartInfo startInfo)&#xA;2020-12-25T14:34:01.462560609Z at System.Diagnostics.Process.Start()&#xA;2020-12-25T14:34:01.463739309Z at Xabe.FFmpeg.FFmpeg.RunProcess(String args, String processPath, Nullable1 priority, Boolean standardInput, Boolean standardOutput, Boolean standardError) 2020-12-25T14:34:01.463755809Z    at Xabe.FFmpeg.FFprobeWrapper.&lt;>c__DisplayClass9_0.<runprocess>b__0() 2020-12-25T14:34:01.463761809Z    at System.Threading.Tasks.Task</runprocess>1.InnerInvoke()&#xA;2020-12-25T14:34:01.463766309Z at System.Threading.Tasks.Task.<>c.<.cctor>b__274_0(Object obj)&#xA;2020-12-25T14:34:01.463781109Z at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)&#xA;2020-12-25T14:34:01.463786509Z --- End of stack trace from previous location where exception was thrown ---&#xA;2020-12-25T14:34:01.463790909Z at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)&#xA;2020-12-25T14:34:01.463795509Z at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)&#xA;2020-12-25T14:34:01.463800009Z --- End of stack trace from previous location where exception was thrown ---&#xA;2020-12-25T14:34:01.463813709Z at Xabe.FFmpeg.FFprobeWrapper.RunProcess(String args, CancellationToken cancellationToken)&#xA;2020-12-25T14:34:01.463818109Z at Xabe.FFmpeg.FFprobeWrapper.GetStreams(String videoPath, CancellationToken cancellationToken)&#xA;2020-12-25T14:34:01.463821909Z at Xabe.FFmpeg.FFprobeWrapper.SetProperties(MediaInfo mediaInfo, CancellationToken cancellationToken)&#xA;2020-12-25T14:34:01.463825509Z at Xabe.FFmpeg.MediaInfo.Get(String filePath, CancellationToken cancellationToken)&#xA;2020-12-25T14:34:01.463829109Z at Xabe.FFmpeg.MediaInfo.Get(String filePath)&#xA;2020-12-25T14:34:01.463832609Z at Xabe.FFmpeg.FFmpeg.GetMediaInfo(String fileName)&#xA;2020-12-25T14:34:01.467009509Z at root2webAPI.Controllers.AzureStorageControllers.BlobExplorerController.GetVideoThumbnailAsync(IFormFile file, Int32 frameTarget) in /src/root2webAPI/Controllers/AzureStorageControllers/BlobExplorerController.cs:line 271&#xA;2020-12-25T14:34:01.467023809Z at root2webAPI.Controllers.AzureStorageControllers.BlobExplorerController.UploadMediaBlob(IFormFile file, String parentId) in /src/root2webAPI/Controllers/AzureStorageControllers/BlobExplorerController.cs:line 96&#xA;2020-12-25T14:34:01.467028709Z at lambda_method(Closure , Object )&#xA;2020-12-25T14:34:01.467032109Z at Microsoft.Extensions.Internal.ObjectMethodExecutorAwaitable.Awaiter.GetResult()&#xA;2020-12-25T14:34:01.467035909Z at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)&#xA;2020-12-25T14:34:01.467039409Z at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)&#xA;2020-12-25T14:34:01.467043209Z at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)&#xA;2020-12-25T14:34:01.467055709Z at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)&#xA;2020-12-25T14:34:01.467060609Z at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)&#xA;2020-12-25T14:34:01.467067409Z at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|13_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)&#xA;2020-12-25T14:34:01.467071609Z at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|24_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)&#xA;2020-12-25T14:34:01.467075209Z at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)&#xA;2020-12-25T14:34:01.467078709Z at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)&#xA;2020-12-25T14:34:01.467089009Z at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|19_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)&#xA;2020-12-25T14:34:01.467093409Z at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)&#xA;2020-12-25T14:34:01.467096909Z at Microsoft.AspNetCore.Routing.EndpointMiddleware.g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)&#xA;2020-12-25T14:34:01.467100509Z at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)&#xA;2020-12-25T14:34:01.467103809Z at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext]

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    here is my relevant .net application code

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      private async Task<mediametadata> GetVideoThumbnailAsync(IFormFile file,int frameTarget)&#xA;    {&#xA;     var fileName = file.FileName;&#xA;     var filePath = Path.Combine(_rootPath, "videos", fileName);&#xA;     var fileExtension = Path.GetExtension(filePath);&#xA;     &#xA;     // the xabe wrapper works with only mp4 extension to create thumbnail , if the file is any other format first convert it to&#xA;     //the mp4 format and then goahead with creating the thumbnail.  &#xA;     var thumbnailImageName = fileName.Replace(fileExtension, ".jpg");&#xA;     var thumbnailImagePath = Path.Combine(_rootPath, "thumbnails", thumbnailImageName);&#xA;     &#xA;            using (Stream fileStream = new FileStream(filePath, FileMode.Create)) {&#xA;                &#xA;             await file.CopyToAsync(fileStream);&#xA;            }&#xA;    Console.WriteLine(Path.Combine(_rootPath,"ffmpeg"));&#xA;    FFmpeg.SetExecutablesPath(Path.Combine(_rootPath,"ffmpeg"));&#xA;    IMediaInfo mediaInfo = await FFmpeg.GetMediaInfo(filePath);&#xA;    var videoDuration = mediaInfo.VideoStreams.First().Duration;&#xA;    IConversion conversion = await FFmpeg.Conversions.FromSnippet.Snapshot(filePath, thumbnailImagePath , TimeSpan.FromSeconds(frameTarget));&#xA;    IConversionResult result = await conversion.Start();&#xA;    MediaMetadata media = new MediaMetadata();&#xA;    media.DurationSeconds=Convert.ToInt32(videoDuration.TotalMilliseconds);&#xA;    // media.DurationSeconds=10;&#xA;    media.ThumbnailImagePath= thumbnailImagePath;&#xA;    return media;&#xA;    &#xA;    }&#xA;</mediametadata>

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    could you help me out with this ..many thanks

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