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• Fluent-FFmpeg Error : ffprobe exited with code 1

  24 juin 2020, par Thiago Cardoso

  I'm using a Lambda function to split a given file into pieces, and often I receive an error during the file processing :

  



  {&#xA;    "errorType": "Error",&#xA;    "errorMessage": "ffprobe exited with code 1\nffprobe version 4.2.2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2007-2019 the FFmpeg developers\n  built with gcc 8 (Debian 8.3.0-6)\n  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg\n  libavutil      56. 31.100 / 56. 31.100\n  libavcodec     58. 54.100 / 58. 54.100\n  libavformat    58. 29.100 / 58. 29.100\n  libavdevice    58.  8.100 / 58.  8.100\n  libavfilter     7. 57.100 /  7. 57.100\n  libswscale      5.  5.100 /  5.  5.100\n  libswresample   3.  5.100 /  3.  5.100\n  libpostproc    55.  5.100 / 55.  5.100\n[mov,mp4,m4a,3gp,3g2,mj2 @ 0x6f35c40] Format mov,mp4,m4a,3gp,3g2,mj2 detected only with low score of 1, misdetection possible!\n[mov,mp4,m4a,3gp,3g2,mj2 @ 0x6f35c40] moov atom not found\n/tmp/file.mp4: Invalid data found when processing input\n",&#xA;    "stack": [&#xA;        "Error: ffprobe exited with code 1",&#xA;        "ffprobe version 4.2.2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2007-2019 the FFmpeg developers",&#xA;        "  built with gcc 8 (Debian 8.3.0-6)",&#xA;        "  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg",&#xA;        "  libavutil      56. 31.100 / 56. 31.100",&#xA;        "  libavcodec     58. 54.100 / 58. 54.100",&#xA;        "  libavformat    58. 29.100 / 58. 29.100",&#xA;        "  libavdevice    58.  8.100 / 58.  8.100",&#xA;        "  libavfilter     7. 57.100 /  7. 57.100",&#xA;        "  libswscale      5.  5.100 /  5.  5.100",&#xA;        "  libswresample   3.  5.100 /  3.  5.100",&#xA;        "  libpostproc    55.  5.100 / 55.  5.100",&#xA;        "[mov,mp4,m4a,3gp,3g2,mj2 @ 0x6f35c40] Format mov,mp4,m4a,3gp,3g2,mj2 detected only with low score of 1, misdetection possible!",&#xA;        "[mov,mp4,m4a,3gp,3g2,mj2 @ 0x6f35c40] moov atom not found",&#xA;        "/tmp/file.mp4: Invalid data found when processing input",&#xA;        "",&#xA;        "    at ChildProcess.<anonymous> (/var/task/node_modules/fluent-ffmpeg/lib/ffprobe.js:233:22)",&#xA;        "    at ChildProcess.emit (events.js:198:13)",&#xA;        "    at ChildProcess.EventEmitter.emit (domain.js:448:20)",&#xA;        "    at Process.ChildProcess._handle.onexit (internal/child_process.js:248:12)"&#xA;    ]&#xA;}&#xA;</anonymous>

  



  I see the error message, and what it is telling me, but what I cannot understand is that this very file works sometimes. Before the process starts I download the file from S3 into my Lambda container, maybe this is my problem, but still, this works sometimes.

  


• Problem playing a sound with pydub Error : pydub.exceptions.CouldntDecodeError : Decoding failed. ffmpeg returned error code : 1

  28 mai 2020, par studioDKR

  I have a problem getting a file played in the browser with pydub. I think the function is working, but I just don't get the right file path to it, or something else is missing. Would love to get your help !

  



  I get the pydob error message : pydub.exceptions.CouldntDecodeError : Decoding failed. ffmpeg returned error code : 1

  



  Here is the error I get :

  



  [2020-05-28 16:04:33,023] ERROR in app: Exception on /overview [POST]
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/Users/Micha/Documents/GitHub/podprod/app.py", line 109, in overview
    sound = AudioSegment.from_file(filepath)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pydub/audio_segment.py", line 723, in from_file
    raise CouldntDecodeError(
pydub.exceptions.CouldntDecodeError: Decoding failed. ffmpeg returned error code: 1

Output from ffmpeg/avlib:

b'ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers\n  built with Apple clang version 11.0.3 (clang-1103.0.32.59)\n  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.3 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags=-fno-stack-check --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack\n  libavutil      56. 31.100 / 56. 31.100\n  libavcodec     58. 54.100 / 58. 54.100\n  libavformat    58. 29.100 / 58. 29.100\n  libavdevice    58.  8.100 / 58.  8.100\n  libavfilter     7. 57.100 /  7. 57.100\n  libavresample   4.  0.  0 /  4.  0.  0\n  libswscale      5.  5.100 /  5.  5.100\n  libswresample   3.  5.100 /  3.  5.100\n  libpostproc    55.  5.100 / 55.  5.100\n/Users/Micha/documents/github/podprod/uploads/test2.wav: Invalid data found when processing input\n'


  



  This is the Flask route with the function I am writing.

  



  @app.route("/overview", methods=["GET", "POST"])
def overview():

    entries = []

    # Open a file
    path = app.config["FILE_UPLOADS"]

    with os.scandir(path) as dirs:
        for entry in dirs:
            entries.append(entry.name)

    if request.method == "POST":
        filename = request.form['filename']

        filepath = os.path.join(app.config["FILE_UPLOADS"], filename)

        # Play the sound
        sound = AudioSegment.from_file(filepath)
        play(sound)

        return render_template('overview.html', entries=entries)


  



  Here is the HTML template :

  



      {% extends &#x27;main_template.html&#x27; %}&#xA;&#xA;    {% block title %}PodProd Podcast Overview{% endblock %}&#xA;&#xA;    {% block main %}&#xA;&#xA;    <div class="container">&#xA;&#xA;        <h1>Here is an overview of your files</h1>&#xA;&#xA;        <table class="table table-striped">&#xA;            <tr>&#xA;                <th>Filename</th>&#xA;                <th>Action</th>&#xA;            </tr>&#xA;        {% for result in entries %}&#xA;            {% if ".wav" in result %}&#xA;                <tr>&#xA;                    <td>{{ result }}</td>&#xA;                    <td><form action="" method="POST"> <button type="submit" class="btn btn-primary" value="{{" result="result">Play</button></form>&#xA;                </td></tr>&#xA;            {% endif %}&#xA;        {% endfor %}&#xA;        </table>&#xA;&#xA;    </div>&#xA;&#xA;    {% endblock %}&#xA;

  


• Error compiling FFMPEG / libav code after adding avfilter

  9 mai 2020, par Daniel Kobe

  My encoding and decoding was working fine using ffmpeg and libav, but then I added a filter in the encoding step to rotate my video and it no longer works in my docker machine, BUT it does work locally.

  



  The error message when compiling in docker is

  



  //usr/local/lib/libavfilter.a(vf_pp.o): In function `pp_init':
/var/tmp/ffmpeg/libavfilter/vf_pp.c:56: undefined reference to `pp_get_mode_by_name_and_quality'
//usr/local/lib/libavfilter.a(vf_pp.o): In function `pp_uninit':
/var/tmp/ffmpeg/libavfilter/vf_pp.c:161: undefined reference to `pp_free_mode'
/var/tmp/ffmpeg/libavfilter/vf_pp.c:163: undefined reference to `pp_free_context'
//usr/local/lib/libavfilter.a(vf_pp.o): In function `pp_filter_frame':
/var/tmp/ffmpeg/libavfilter/vf_pp.c:142: undefined reference to `pp_postprocess'
//usr/local/lib/libavfilter.a(vf_pp.o): In function `pp_config_props':
/var/tmp/ffmpeg/libavfilter/vf_pp.c:115: undefined reference to `pp_get_context'
collect2: error: ld returned 1 exit status


  



  These are my relevant configurations in docker file

  



  # Install libx264 for video encoding.
RUN cd /var/tmp && curl -L http://ftp.videolan.org/pub/videolan/x264/snapshots/x264-snapshot-20190103-2245-stable.tar.bz2 > x264.tar.bz2 && \
    echo "21cb6e2bb660f863713fb9f752654c65191e032dac1329ec113786c69f0f75c1  x264.tar.bz2" > x264.sha256sum && \
    shasum -a 256 -c x264.sha256sum && \
    tar xjf x264.tar.bz2 && \
    cd x264-snapshot-20190103-2245-stable && \
    ./configure \
        --enable-static \
        --enable-pic \
        --disable-cli \
        --disable-avs \
        --disable-opencl && \
    make -j8 && \
    make install-lib-static

# Compile ffmpeg.
COPY ffmpeg.tar /var/tmp/ffmpeg.tar
RUN cd /var/tmp && tar xf ffmpeg.tar && \
    cd ffmpeg && \
    ./configure \
        --cc=/usr/bin/clang-6.0 \
        --cxx=/usr/bin/clang++-6.0 \
        --extra-libs="-lpthread" \
        --enable-gpl \
        # without pic - opencv will throw up errors
        --enable-pic \
        --enable-libx264 \
        --disable-network && \
     make -j 8 && \
     make install


  



  Not sure this is relevant but here are my flags

  



  LDFLAGS: -lavcodec -lavfilter -lswscale -lavutil -lswresample -lx264 -lm -lz


  



  Here's my local ffmpeg configuration and version

  



  ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with Apple clang version 11.0.0 (clang-1100.0.33.17)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.2_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
  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
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100


  



  Here's the output from my docker machine

  



  ffmpeg version 4.1.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with clang version 6.0.0-1~bpo9+1 (tags/RELEASE_600/final)
  configuration: --cc=/usr/bin/clang-6.0 --cxx=/usr/bin/clang++-6.0 --extra-libs=-lpthread --enable-gpl --enable-pic --enable-libx264 --disable-network
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100


  



  How can I get my configuration fixed so it works like in local ? I didn't specifically configure my local environment so it's going to be using default configuration.