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• FFMpeg command doesn't works for 4.0-39-gda39990 version but works for 3.0.1 version

  17 mai 2020, par Android Developer

  I run below FFmpeg command to cut video using 4.0-39 version-

  



  {"-y","-i","/storage/emulated/0/Movies/g3cm1tt7qtd41.mp4.mp4", "-ss", "10", "-t", "53", "-c", "copy","/storage/emulated/0/Movies/cut_video10.mp4"}


  



  It returns success with below response but the output video cannot be played !However same command runs fine when using older version 3.0.1 of FFMpeg and output video can be played !

  



  


  SUCCESS with output : ffmpeg version n4.0-39-gda39990 Copyright (c)
 2000-2018 the FFmpeg developers
 built with gcc 4.9.x (GCC) 20150123 (prerelease)
 configuration : —target-os=linux —cross-prefix=/root/bravobit/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi-
 —arch=arm —cpu=cortex-a8 —enable-runtime-cpudetect —sysroot=/root/bravobit/ffmpeg-android/toolchain-android/sysroot —enable-pic —enable-libx264 —enable-ffprobe —enable-libopus —enable-libvorbis —enable-libfdk-aac —enable-libfreetype —enable-libfribidi —enable-libmp3lame —enable-fontconfig —enable-libvpx —enable-libass —enable-yasm —enable-pthreads —disable-debug —enable-version3 —enable-hardcoded-tables —disable-ffplay —disable-linux-perf —disable-doc —disable-shared —enable-static —enable-runtime-cpudetect —enable-nonfree —enable-network —enable-avresample —enable-avformat —enable-avcodec —enable-indev=lavfi —enable-hwaccels —enable-ffmpeg —enable-zlib —enable-gpl —enable-small —enable-nonfree —pkg-config=pkg-config —pkg-config-flags=—static —prefix=/root/bravobit/ffmpeg-android/build/armeabi-v7a —extra-cflags='-I/root/bravobit/ffmpeg-android/toolchain-android/include
 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' —extra-ldflags='-L/root/bravobit/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' —extra-cxxflags=
 libavutil 56. 14.100 / 56. 14.100
 libavcodec 58. 18.100 / 58. 18.100
 libavformat 58. 12.100 / 58. 12.100
 libavdevice 58. 3.100 / 58. 3.100
 libavfilter 7. 16.100 / 7. 16.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 1.100 / 5. 1.100
 libswresample 3. 1.100 / 3. 1.100
 libpostproc 55. 1.100 / 55. 1.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Movies/g3cm1tt7qtd41.mp4.mp4' :
 Metadata :
 major_brand : iso6
 minor_version : 1
 compatible_brands : mp42iso6avc1isom
 creation_time : 2020-01-30T11:13:07.000000Z
 Duration : 00:00:00.00, start : 0.042643, bitrate : N/A
 Stream #0:0(und) : Video : h264 (avc1 / 0x31637661), yuv420p, 854x480 [SAR 2136:2135 DAR 89:50], 1225 kb/s, 30 fps, 30 tbr, 15360
 tbn, 60 tbc (default)
 Stream #0:1(eng) : Audio : aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Output #0, mp4, to '/storage/emulated/0/Movies/cut_video10.mp4' :
 Metadata :
 major_brand : iso6
 minor_version : 1
 compatible_brands : mp42iso6avc1isom
 encoder : Lavf58.12.100
 Stream #0:0(und) : Video : h264 (avc1 / 0x31637661), yuv420p, 854x480 [SAR 2136:2135 DAR 89:50], q=2-31, 1225 kb/s, 30 fps, 30 tbr,
 15360 tbn, 15360 tbc (default)
 Stream #0:1(eng) : Audio : aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Stream mapping :
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame= 0 fps=0.0 q=-1.0 Lsize= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
  
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : unknown

  


  



  Response with version 3.0.1 which worked-

  



  SUCCESS with output : ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
      built with gcc 4.8 (GCC)
      configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --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/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
      libavutil      55. 17.103 / 55. 17.103
      libavcodec     57. 24.102 / 57. 24.102
      libavformat    57. 25.100 / 57. 25.100
      libavdevice    57.  0.101 / 57.  0.101
      libavfilter     6. 31.100 /  6. 31.100
      libswscale      4.  0.100 /  4.  0.100
      libswresample   2.  0.101 /  2.  0.101
      libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Movies/g3cm1tt7qtd41.mp4.mp4':
      Metadata:
        major_brand     : iso6
        minor_version   : 1
        compatible_brands: mp42iso6avc1isom
        creation_time   : 2020-01-30 11:13:07
      Duration: 00:00:00.00, start: 0.042667, bitrate: N/A
        Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 854x480 [SAR 2136:2135 DAR 89:50], 1225 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
        Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Output #0, mp4, to '/storage/emulated/0/Movies/cut_video11.mp4':
      Metadata:
        major_brand     : iso6
        minor_version   : 1
        compatible_brands: mp42iso6avc1isom
        encoder         : Lavf57.25.100
        Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 854x480 [SAR 2136:2135 DAR 89:50], q=2-31, 1225 kb/s, 30 fps, 30 tbr, 15360 tbn, 15360 tbc (default)
        Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 128 kb/s (default)
    Stream mapping:
      Stream #0:0 -> #0:0 (copy)
      Stream #0:1 -> #0:1 (copy)
    Press [q] to stop, [?] for help
    frame=  661 fps=0.0 q=-1.0 Lsize=    3848kB time=00:00:23.01 bitrate=1369.5kbits/s speed=71.1x    
    video:3463kB audio:359kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.657366%


  



  Link for the file - https://gofile.io/d/7aFuQo

  


• How to install ffmpeg on Google App Engine ?

  1er avril 2024, par london_utku

  I intend to install ffmpeg and ffprobe to my Google App Engine flex environment, how can I do this with requirements.txt as a package ?

  



  I am currently using ffmpeg-python yet, this is only a wrapper.

  



  ffmpeg-python==0.2.0
ffprobe-python==1.0.3


  



  Below is the error when I try to use ffmpeg-python wrapper, which is expected as there is no ffmpeg and ffprobe available :

  



  2020-05-03 11:42:36 default[20200503t112932]  [03/May/2020 11:42:36] ERROR    [log.py:228] Internal Server Error: /capture_thumbnail/
2020-05-03 11:42:36 default[20200503t112932]  Traceback (most recent call last):    File "/env/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner      response = get_response(request)    File "/env/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response      response = self.process_exception_by_middleware(e, request)    File "/env/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response      response = wrapped_callback(request, *callback_args, **callback_kwargs)    File "/home/vmagent/app/core/views.py", line 62, in capture_thumbnail      generate_thumbnail(request, blob_uuid)    File "/home/vmagent/app/core/videointelligence1.py", line 264, in generate_thumbnail      probe = ffmpeg.probe(video_url)    File "/env/lib/python3.6/site-packages/ffmpeg/_probe.py", line 20, in probe      p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)    File "/opt/python3.6/lib/python3.6/subprocess.py", line 729, in __init__      restore_signals, start_new_session)    File "/opt/python3.6/lib/python3.6/subprocess.py", line 1364, in _execute_child      raise child_exception_type(errno_num, err_msg, err_filename)  FileNotFoundError: [Errno 2] No such file or directory: 'ffprobe': 'ffprobe'


  



  Can you please suggest a way, so I can use ffprobe on Google App Engine.

  


• ffmpeg strftime no effect on windows

  18 mai 2020, par Ben

  I'm trying to auto mark the output file with timestamps with ffmpeg. Here's my test cmd :

  



  .\ffmpeg.exe -y -loglevel 99 -i test.mp3 -strftime 1 %Y.ogg


  



  I expected a file named 2020.ogg, however only got %Y.ogg. In another word, output filename is not processed by strftime(). I'm using powershell so there should be no relation with cmd's %% escaping.

  



  Here's the output : https://pastebin.com/LUVh2kFA I'm using static builds from https://ffmpeg.zeranoe.com (Thanks Zeranoe !) I confirmed that the problem exists in v4.2.2 and git-20200515. Is there any chance to fix it or am I doing it wrong ?