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• FFmpeg can't process videos with filenames containing emojis on Google Colab

  25 novembre 2022, par athena

  I mounted my Google Drive on Google Colab, inside the Drive, there's a video file with an emoji on it's filename (example : 20221124 [우리의식탁 W TABLE] 직접 기른 허브로 만들면 더 맛있는 허브포카치아 🌿 (8m2hNIEoXEw).mkv).

  


  !ffmpeg -i "/content/drive/MyDrive/DOWNLOAD/20221124 [우리의식탁 W TABLE] 직접 기른 허브로 만들면 더 맛있는 허브포카치아 🌿 (8m2hNIEoXEw).mkv"


  


  Trying to run FFmpeg gives me this error :

  


  ---------------------------------------------------------------------------&#xA;UnicodeEncodeError                        Traceback (most recent call last)&#xA; in <module>&#xA;      3 video = "/content/drive/MyDrive/DOWNLOAD/20221124 [\u110B\u116E\u1105\u1175\u110B\u1174\u1109\u1175\u11A8\u1110\u1161\u11A8 W TABLE] \u110C\u1175\u11A8\u110C\u1165\u11B8 \u1100\u1175\u1105\u1173\u11AB \u1112\u1165\u1107\u1173\u1105\u1169 \u1106\u1161\u11AB\u1103\u1173\u11AF\u1106\u1167\u11AB \u1103\u1165 \u1106\u1161\u11BA\u110B\u1175\u11BB\u1102\u1173\u11AB \u1112\u1165\u1107\u1173\u1111\u1169\u110F\u1161\u110E\u1175\u110B\u1161 \uD83C\uDF3F (8m2hNIEoXEw).mkv" #@param {type: "string"}&#xA;      4 &#xA;----> 5 get_ipython().system(&#x27;ffmpeg -i "$video" #-hide_banner&#x27;)&#xA;&#xA;4 frames&#xA;/usr/local/lib/python3.7/dist-packages/google/colab/_shell.py in system(self, *args, **kwargs)&#xA;     93       kwargs.update({&#x27;also_return_output&#x27;: True})&#xA;     94 &#xA;---> 95     output = _system_commands._system_compat(self, *args, **kwargs)  # pylint:disable=protected-access&#xA;     96 &#xA;     97     if pip_warn:&#xA;&#xA;/usr/local/lib/python3.7/dist-packages/google/colab/_system_commands.py in _system_compat(shell, cmd, also_return_output)&#xA;    435   # stack.&#xA;    436   result = _run_command(&#xA;--> 437       shell.var_expand(cmd, depth=2), clear_streamed_output=False)&#xA;    438   shell.user_ns[&#x27;_exit_code&#x27;] = result.returncode&#xA;    439   if -result.returncode in _INTERRUPTED_SIGNALS:&#xA;&#xA;/usr/local/lib/python3.7/dist-packages/google/colab/_system_commands.py in _run_command(cmd, clear_streamed_output)&#xA;    189           stdin=stdin,&#xA;    190           stderr=child_pty,&#xA;--> 191           close_fds=True)&#xA;    192       # The child PTY is only needed by the spawned process.&#xA;    193       os.close(child_pty)&#xA;&#xA;/usr/lib/python3.7/subprocess.py in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors, text)&#xA;    798                                 c2pread, c2pwrite,&#xA;    799                                 errread, errwrite,&#xA;--> 800                                 restore_signals, start_new_session)&#xA;    801         except:&#xA;    802             # Cleanup if the child failed starting.&#xA;&#xA;/usr/lib/python3.7/subprocess.py in _execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, start_new_session)&#xA;   1480                             errread, errwrite,&#xA;   1481                             errpipe_read, errpipe_write,&#xA;-> 1482                             restore_signals, start_new_session, preexec_fn)&#xA;   1483                     self._child_created = True&#xA;   1484                 finally:&#xA;&#xA;UnicodeEncodeError: &#x27;utf-8&#x27; codec can&#x27;t encode characters in position 131-132: surrogates not allowed&#xA;</module>

  


  My Colab uses Python 3.7.15 and ffmpeg/ffprobe version N-109226-g2ad199ae31-20221125 (from https://github.com/BtbN/FFmpeg-Builds).

  


  I tried searching similar issues as mine here, but most of the solutions are way beyond my knowledge, I'm not sure how to apply them to my use case.

  


  I'll appreciate your help, thank you !

  


• cbs : Allow non-blank packets in ff_cbs_write_packet

  17 juin 2019, par Andreas Rheinhardt

  cbs : Allow non-blank packets in ff_cbs_write_packet
  Up until now, ff_cbs_write_packet always initialized the packet
  
  structure it received without documenting this behaviour ; furthermore,
  
  the packet's buffer would (on success) be overwritten with the new
  
  buffer without unreferencing the old. This meant that the input packet
  
  had to be either clean (otherwise there would be memleaks) in which case
  
  the initialization is redundant or uninitialized. ff_cbs_write_packet
  
  was never used with uninitialized packets, so the initialization was
  
  redundant. Worse yet, it forced callers to use more than one packet and
  
  made it difficult to add side-data to a packet designated for output,
  
  because said side-data could only be attached after the call to
  
  ff_cbs_write_packet.
  This has been changed. It is now allowed to use a non-blank packet.
  
  The currently existing buffer will be unreferenced and replaced by
  
  the new one, as will be the accompanying fields (i.e. data and size).
  
  The rest isn't touched at all.
  This change will enable us to use only one packet in the bitstream
  
  filters that rely on CBS.
  This commit also updates the documentation of ff_cbs_write_extradata
  
  and ff_cbs_write_packet (to better describe existing behaviour and in
  
  the latter case to also describe the new behaviour).
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
  

  • [DH] libavcodec/cbs.c
  • [DH] libavcodec/cbs.h

• libfdk-aac : Relicense the library wrappers to 2-clause BSD

  30 avril 2014, par Martin Storsjö

  libfdk-aac : Relicense the library wrappers to 2-clause BSD
  This should make it possible for Fraunhofer to contribute to these
  
  wrappers - they didn’t want to contribute to code under LGPL2.1 with
  
  the "or any later version" clause (which allowed using the code
  
  under the LGPL3 license).
  Signed-off-by : Martin Storsjö <martin@martin.st>
  

  • [DBH] libavcodec/libfdk-aacdec.c
  • [DBH] libavcodec/libfdk-aacenc.c