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• FFmpeg on Azure Function call running slowly and producing an empty output file

  7 novembre 2017, par The Lemon

  I’m trying to make a function which uses ffmpeg, so far I haven’t been able to get anything other than the -version command to work properly. When I try to run a simple ffmpeg -i {input file path} {output file path} command, the function seems to get stuck for 3-4 minutes (in the process creating an empty output file), then try again and produce the error ’file already exists’. I’ve tried switching between the 64 bit ffmpeg.exe and the 32 bit ffmpeg.exe with the function running as both a 32 and 64 bit function. My code and the associated logs from trying to run the code are included below, if anyone can tell me what I’m doing wrong or how to get the process to work it would be greatly appreciated. Thanks in advance, Cuan

  edit : The process works on kudu with the same files, the output is shown at the bottom. On kudu the process ran in under half a minute, clearly something is causing the function process to hang, if anyone has advice it would be greatly appreciated. Thanks again, Cuan.

  second edit : I tried adding the -y to the end of my command, this works in that it no longer complains about overwriting, but alas it now just hangs twice due to timeout. (output at the bottom)

  edit the third : azure has a way to let you run functions locally, my function ran into the same issues on the local version but : as it turns out the actual processing is done within a few seconds, it just takes forever to decide to write to a file - if you terminate the process manually after the process had been running for 10 seconds the file immediately gets written. Again, any help is appreciated. Cuan.

  Run.csx :

  using System.Net;
  
  using System;
  
  using System.Diagnostics;
  
  using System.ComponentModel;
  
  public static async Task<httpresponsemessage> Run(HttpRequestMessage req, TraceWriter log)
  
  {
  
      log.Info("C# HTTP trigger function processed a request.");
  
      Process process = new Process();
  
      process.StartInfo.FileName = @"D:\home\site\wwwroot\HttpTestFunction\ffmpeg64.exe";
  
      string tmp = String.Format("-i \"" + "Airdocs Background Video.mp4" + "\" \"" + "tmpOut2.mp4" + "\"");
  
      log.Info("ffmpeg argument is: "+tmp);
  
      process.StartInfo.Arguments = tmp;
  
      process.StartInfo.UseShellExecute = false;
  
      process.StartInfo.RedirectStandardOutput = true;
  
      process.StartInfo.RedirectStandardError = true;
  
      process.StartInfo.WorkingDirectory = @"D:\home\site\wwwroot\HttpTestFunction";
  
      process.Start();
  
      log.Info("process started");
  
      string output = process.StandardOutput.ReadToEnd();
  
      string err = process.StandardError.ReadToEnd();
  
      log.Info("output:" + output);
  
      log.Info("error:"+err);
  
      process.WaitForExit();
  
  }
  
  </httpresponsemessage>

  Logs :

  2017-10-14T02:17:10.514 Function started (Id=e4ec7d1e-2bcb-4b74-8af2-15124f1576fb)
  
  2017-10-14T02:17:10.639 C# HTTP trigger function processed a request.
  
  2017-10-14T02:17:10.639 ffmpeg argument is: -i "Airdocs Background Video.mp4" "tmpOut2.mp4"
  
  2017-10-14T02:17:10.779 process started
  
  2017-10-14T02:18:15  No new trace in the past 1 min(s).
  
  2017-10-14T02:19:15  No new trace in the past 2 min(s).
  
  2017-10-14T02:20:15  No new trace in the past 3 min(s).
  
  2017-10-14T02:21:02.188 Function started (Id=b2ae9b59-8933-42e3-986c-fd26a6886285)
  
  2017-10-14T02:21:02.188 C# HTTP trigger function processed a request.
  
  2017-10-14T02:21:02.188 ffmpeg argument is: -i "Airdocs Background Video.mp4" "tmpOut2.mp4"
  
  2017-10-14T02:21:02.252 process started
  
  2017-10-14T02:21:02.377 output:
  
  2017-10-14T02:21:02.377 error:ffmpeg version N-87353-g183fd30 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 7.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 76.100 / 55. 76.100
  
    libavcodec     57.106.101 / 57.106.101
  
    libavformat    57. 82.101 / 57. 82.101
  
    libavdevice    57.  8.101 / 57.  8.101
  
    libavfilter     6.105.100 /  6.105.100
  
    libswscale      4.  7.103 /  4.  7.103
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Airdocs Background Video.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp41isom
  
      creation_time   : 2017-09-08T11:55:11.000000Z
  
    Duration: 00:00:24.02, start: 0.000000, bitrate: 105 kb/s
  
      Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 104 kb/s, 30.30 fps, 30.30 tbr, 30k tbn, 60 tbc (default)
  
      Metadata:
  
        creation_time   : 2017-09-08T11:55:11.000000Z
  
        handler_name    : VideoHandler
  
        encoder         : AVC Coding
  
  File 'tmpOut2.mp4' already exists. Overwrite ? [y/N] Not overwriting - exiting
  
  2017-10-14T02:21:02.392 Function completed (Success, Id=b2ae9b59-8933-42e3-986c-fd26a6886285, Duration=205ms)
  
  2017-10-14T02:22:10.563 Function completed (Failure, Id=e4ec7d1e-2bcb-4b74-8af2-15124f1576fb, Duration=300047ms)
  
  2017-10-14T02:22:10.610 Microsoft.Azure.WebJobs.Host: Timeout value of 00:05:00 was exceeded by function: Functions.HttpTestFunction.

  Kudu code (just running the ffmpeg command directly, not the run.csx file) :

  D:\home\site\wwwroot\HttpTestFunction>ffmpeg -i "Airdocs Background Video.mp4" tmpout3.mp4
  
  
  
  
  
  ffmpeg version N-87196-g6cadbb1 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 7.1.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 74.100 / 55. 74.100
  
    libavcodec     57.105.100 / 57.105.100
  
    libavformat    57. 81.100 / 57. 81.100
  
    libavdevice    57.  8.100 / 57.  8.100
  
    libavfilter     6.101.100 /  6.101.100
  
    libswscale      4.  7.103 /  4.  7.103
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Airdocs Background Video.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp41isom
  
      creation_time   : 2017-09-08T11:55:11.000000Z
  
    Duration: 00:00:24.02, start: 0.000000, bitrate: 105 kb/s
  
      Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 104 kb/s, 30.30 fps, 30.30 tbr, 30k tbn, 60 tbc (default)
  
      Metadata:
  
        creation_time   : 2017-09-08T11:55:11.000000Z
  
        handler_name    : VideoHandler
  
        encoder         : AVC Coding
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [libx264 @ 00000000005fc5a0] using SAR=1/1
  
  [libx264 @ 00000000005fc5a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 00000000005fc5a0] profile High, level 3.2
  
  [libx264 @ 00000000005fc5a0] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - 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=1 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
  
  Output #0, mp4, to 'tmpout3.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp41isom
  
      encoder         : Lavf57.81.100
  
      Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 30.30 fps, 16k tbn, 30.30 tbc (default)
  
      Metadata:
  
        creation_time   : 2017-09-08T11:55:11.000000Z
  
        handler_name    : VideoHandler
  
        encoder         : Lavc57.105.100 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
  frame=  728 fps= 39 q=29.0 Lsize=      62kB time=00:00:23.92 bitrate=  21.1kbits/s speed=1.28x    
  
  video:52kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 17.915474%
  
  [libx264 @ 00000000005fc5a0] frame I:4     Avg QP:12.46  size:  6102
  
  [libx264 @ 00000000005fc5a0] frame P:184   Avg QP:16.94  size:    45
  
  [libx264 @ 00000000005fc5a0] frame B:540   Avg QP:20.50  size:    37
  
  [libx264 @ 00000000005fc5a0] consecutive B-frames:  1.1%  0.0%  0.0% 98.9%
  
  [libx264 @ 00000000005fc5a0] mb I  I16..4: 66.3% 30.4%  3.3%
  
  [libx264 @ 00000000005fc5a0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%  0.0%  0.0%  0.0%    skip:100.0%
  
  [libx264 @ 00000000005fc5a0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:100.0%  L0:12.3% L1:87.7% BI: 0.0%
  
  [libx264 @ 00000000005fc5a0] 8x8 transform intra:30.5% inter:14.3%
  
  [libx264 @ 00000000005fc5a0] coded y,uvDC,uvAC intra: 2.3% 2.2% 2.1% inter: 0.0% 0.0% 0.0%
  
  [libx264 @ 00000000005fc5a0] i16 v,h,dc,p: 93%  6%  2%  0%
  
  [libx264 @ 00000000005fc5a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 41% 31%  0%  0%  0%  0%  0%  0%
  
  [libx264 @ 00000000005fc5a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 39% 17% 16%  5%  4%  5%  6%  3%  5%
  
  [libx264 @ 00000000005fc5a0] i8c dc,h,v,p: 93%  6%  1%  0%
  
  [libx264 @ 00000000005fc5a0] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 00000000005fc5a0] ref B L1: 98.2%  1.8%
  
  [libx264 @ 00000000005fc5a0] kb/s:17.57
  
  
  
  
  
  
  
  D:\home\site\wwwroot\HttpTestFunction> 

  Output on azure with the -y command

  2017-10-25T04:34:45.519 Compilation succeeded.
  
  2017-10-25T04:34:46.160 Function started (Id=18880991-c93a-42a3-96b6-7df283e3bdb4)
  
  2017-10-25T04:34:46.300 C# HTTP trigger function processed a request.
  
  2017-10-25T04:34:46.300 ffmpeg argument is: -i "Airdocs Background Video.mp4" "tmpOut2.mp4" -y
  
  2017-10-25T04:34:46.394 process started
  
  2017-10-25T04:36:46  No new trace in the past 1 min(s).
  
  2017-10-25T04:37:46  No new trace in the past 2 min(s).
  
  2017-10-25T04:38:37.947 Function started (Id=c7f7f768-c53b-4074-a0c2-8391848bbd80)
  
  2017-10-25T04:38:37.963 C# HTTP trigger function processed a request.
  
  2017-10-25T04:38:37.963 ffmpeg argument is: -i "Airdocs Background Video.mp4" "tmpOut2.mp4" -y
  
  2017-10-25T04:38:38.025 process started
  
  2017-10-25T04:39:46  No new trace in the past 1 min(s).
  
  2017-10-25T04:39:46.258 Function completed (Failure, Id=18880991-c93a-42a3-96b6-7df283e3bdb4, Duration=300079ms)
  
  2017-10-25T04:39:46.321 Microsoft.Azure.WebJobs.Host: Timeout value of 00:05:00 was exceeded by function: Functions.HttpTestFunction.

• build : don't call install with the -T option

  29 septembre 2017, par James Almer

  build : don't call install with the -T option
  It's not available on macOS.
  Should fix a regression instroduced by b25d6290c67e193b91becab12e6c88df134cee81.
  Signed-off-by : James Almer <jamrial@gmail.com>
  

  • [DH] Makefile

• call api when video play after some duration

  29 septembre 2017, par Prakash Satani

  Is it possible to split video in some time duration and set some text when merge video again ?

  After that I want to call API when that text come on video playing.

  I did research for same but I didn’t find anything for what I want.