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• ffmpeg build error looks tmp file creat fail ?

  19 janvier 2017, par user998953

   ./configure --target-os=android --prefix=$PREFIX \
  
    --enable-cross-compile --enable-runtime-cpudetect --disable-asm --arch=arm \
  
    --cc=$PREBUILT/linux-x86_64/bin/arm-linux-androideabi-gcc \
  
    --cross-prefix=$PREBUILT/linux-x86_64/bin/arm-linux-androideabi- \
  
    --disable-stripping --nm=$PREBUILT/linux-x86_64/bin/arm-linux-androideabi-nm --sysroot=$PLATFORM --enable-gpl --enable-shared --disable-static --enable-small  --disable-ffprobe --disable-ffplay --disable-ffmpeg --disable-ffserver --disable-debug --extra-cflags="-fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -marm -march=armv7-a"

  this is out put log :

  Makefile:2: config.mak: 没有那个文件或目录
  
  Makefile:67: /common.mak: 没有那个文件或目录
  
  Makefile:109: /libavutil/Makefile: 没有那个文件或目录
  
  Makefile:109: /library.mak: 没有那个文件或目录
  
  Makefile:111: /doc/Makefile: 没有那个文件或目录
  
  Makefile:198: /tests/Makefile: 没有那个文件或目录
  
  make: *** No rule to make target '/tests/Makefile'。 停止。
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc is unable to create an executable file.
  
  C compiler test failed.
  
  
  
  If you think configure made a mistake, make sure you are using the latest
  
  version from Git.  If the latest version fails, report the problem to the
  
  ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
  
  Include the log file "config.log" produced by configure as this will help
  
  solve the problem.

  but my gcc path works fine

  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
  arm-linux-androideabi-gcc : fatal error : no input files
  compilation terminated.

  I seems the temp file not create ,I can’t find temp file in /tmp

  this is end of config.log file :

  dition: defined __ARM_ARCH_6T2__ || defined __TARGET_ARCH_6T2"
  
    ^
  
  compilation terminated due to -Wfatal-errors.
  
  check_cpp_condition stddef.h defined __ARM_ARCH_7__ || defined __TARGET_ARCH_7
  
  check_cpp
  
  BEGIN /tmp/ffconf.FHwGDPbC.c
  
      1   #include 
  
      2   #if !(defined __ARM_ARCH_7__ || defined __TARGET_ARCH_7)
  
      3   #error "unsatisfied condition: defined __ARM_ARCH_7__ || defined __TARGET_ARCH_7"
  
      4   #endif
  
  END /tmp/ffconf.FHwGDPbC.c
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -isysroot /opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -marm -march=armv7-a -E -o /tmp/ffconf.csA8Jm6F.o /tmp/ffconf.FHwGDPbC.c
  
  /tmp/ffconf.FHwGDPbC.c:3:2: error: #error "unsatisfied condition: defined __ARM_ARCH_7__ || defined __TARGET_ARCH_7"
  
   #error "unsatisfied condition: defined __ARM_ARCH_7__ || defined __TARGET_ARCH_7"
  
    ^
  
  compilation terminated due to -Wfatal-errors.
  
  check_cpp_condition stddef.h defined __ARM_ARCH_7A__ || defined __TARGET_ARCH_7_A
  
  check_cpp
  
  BEGIN /tmp/ffconf.FHwGDPbC.c
  
      1   #include 
  
      2   #if !(defined __ARM_ARCH_7A__ || defined __TARGET_ARCH_7_A)
  
      3   #error "unsatisfied condition: defined __ARM_ARCH_7A__ || defined __TARGET_ARCH_7_A"
  
      4   #endif
  
  END /tmp/ffconf.FHwGDPbC.c
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -isysroot /opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -marm -march=armv7-a -E -o /tmp/ffconf.csA8Jm6F.o /tmp/ffconf.FHwGDPbC.c
  
  check_ld cc
  
  check_cc
  
  BEGIN /tmp/ffconf.FHwGDPbC.c
  
      1   int main(void){ return 0; }
  
  END /tmp/ffconf.FHwGDPbC.c
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -isysroot /opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -marm -march=armv7-a -march=armv7-a -c -o /tmp/ffconf.csA8Jm6F.o /tmp/ffconf.FHwGDPbC.c
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -isysroot /opt/android/android-sdk-linux/ndk-bundle/platforms/android-arm -march=armv7-a -o /tmp/ffconf.fjKb0Qb0 /tmp/ffconf.csA8Jm6F.o
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtbegin_dynamic.o: No such file or directory
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtend_android.o: No such file or directory
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lc
  
  /opt/android/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -ldl
  
  collect2: error: ld returned 1 exit status
  
  C compiler test failed.

• Need help to compile FFmpeg with MSVC tools

  30 janvier 2018, par Antwane

  I need to compile FFmpeg on Windows 10 using MSVC 2017 compiler. I followed some guides from :

  • https://trac.ffmpeg.org/wiki/CompilationGuide/MSVC
  • https://www.ffmpeg.org/platform.html#Microsoft-Visual-C_002b_002b-or-Intel-C_002b_002b-Compiler-for-Windows
  • https://pracucci.com/compile-ffmpeg-on-windows-with-visual-studio-compiler.html

  I installed current stable version of MSYS, fixed link.exe and use of PATH environment, installed make diffutils gcc pkg-config and downloaded c99-to-c89, nasm, and inttypes.h

  I think my environment is now correctly set up, I ran MSYS shell from MSVC Command prompt and have everything reachable.

  $ which cl
  
  /c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.12.25827/bin/HostX64/x64/cl
  
  
  
  $ which link
  
  /c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.12.25827/bin/HostX64/x64/link
  
  
  
  $ which yasm
  
  /home/Antoine/bin/yasm
  
  
  
  $ which c99conv
  
  /home/Antoine/bin/c99conv
  
  
  
  $ which c99wrap
  
  /home/Antoine/bin/c99wrap

  Now I configure the build

  $ ./configure --toolchain=msvc
  
  install prefix            /usr/local
  
  source path               .
  
  C compiler                cl
  
  C library                 msvcrt
  
  ARCH                      x86 (generic)
  
  big-endian                no
  
  runtime cpu detection     yes
  
  standalone assembly       yes
  
  x86 assembler             nasm
  
  MMX enabled               yes
  
  MMXEXT enabled            yes
  
  3DNow! enabled            yes
  
  3DNow! extended enabled   yes
  
  SSE enabled               yes
  
  SSSE3 enabled             yes
  
  AESNI enabled             yes
  
  AVX enabled               yes
  
  AVX2 enabled              yes
  
  XOP enabled               yes
  
  FMA3 enabled              yes
  
  FMA4 enabled              yes
  
  i686 features enabled     yes
  
  CMOV is fast              yes
  
  EBX available             no
  
  EBP available             no
  
  debug symbols             yes
  
  strip symbols             no
  
  optimize for size         no
  
  optimizations             yes
  
  static                    yes
  
  shared                    no
  
  postprocessing support    no
  
  network support           yes
  
  threading support         w32threads
  
  safe bitstream reader     yes
  
  texi2html enabled         no
  
  perl enabled              no
  
  pod2man enabled           no
  
  makeinfo enabled          no
  
  makeinfo supports HTML    no
  
  
  
  External libraries:
  
  schannel                 xlib
  
  
  
  External libraries providing hardware acceleration:
  
  cuda                     cuvid                    d3d11va                  dxva2                    nvenc
  
  
  
  Libraries:
  
  avcodec                  avdevice                 avfilter                 avformat                 avutil                   swresample               swscale
  
  
  
  Programs:
  
  ffmpeg                   ffprobe
  
  
  
  [...]
  
  Hundreds of modules, library, etc.
  
  [...]
  
  
  
  License: LGPL version 2.1 or later
  
  Creating configuration files ...
  
  config.h is unchanged
  
  config.asm is unchanged
  
  libavutil/avconfig.h is unchanged
  
  libavcodec/bsf_list.c is unchanged
  
  libavformat/protocol_list.c is unchanged

  But when I run make it stops very quickly

  $ make
  
  Makefile:47: la cible « qt-faststart » ne correspond pas au motif de cible
  
  Makefile:47: la cible « trasher » ne correspond pas au motif de cible
  
  Makefile:47: la cible « uncoded_frame » ne correspond pas au motif de cible
  
  Makefile:91: ffbuild/library.mak: No such file or directory
  
  make: *** Aucune règle pour fabriquer la cible « ffbuild/library.mak ». Arrêt.

  Sorry for the french wording, I don’t know how to tell MSVC print its output in english. Basically, the error means :

  Makefile:47: target « qt-faststart » doesn't match the target pattern
  
  make: *** No rule to make target « ffbuild/library.mak ». Stopped.

  Side notes :

  $ tree ffbuild
  
  ffbuild
  
  ├── config.fate
  
  ├── config.log
  
  ├── config.mak
  
  └── config.sh

  That’s right, library.mak were not generated into ffbuild, but I don’t know why, and configure script didn’t output any error message...

  Does anybody can help me to find out what am I doing wrong ?

  Edit :

  make distclean doesn’t help

  $ make distclean
  
  Makefile:47: la cible « qt-faststart » ne correspond pas au motif de cible
  
  Makefile:47: la cible « trasher » ne correspond pas au motif de cible
  
  Makefile:47: la cible « uncoded_frame » ne correspond pas au motif de cible
  
  Makefile:91: ffbuild/library.mak: No such file or directory
  
  make: *** Aucune règle pour fabriquer la cible « ffbuild/library.mak ». Arrêt.

• 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;