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• How to suppress `ffmpeg` output logging when using H.265 codec in quiet mode

  5 avril 2022, par user223364

  When I run :-

  


  ffmpeg -v quiet -i "${INPUT}" -c:v libx265 -crf 23 "${OUTPUT}"


  


  I'm still getting output from the command even though the loglevel is set to silent (see the example of the output below)

  


  x265 [info]: HEVC encoder version 3.5+20-17839cc0d
x265 [info]: build info [Mac OS X][clang 11.0.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-3 (Main tier)
x265 [info]: Thread pool created using 4 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 2 / wpp(9 rows)
x265 [warning]: Source height < 720p; disabling lookahead-slices
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge         : hex / 57 / 2 / 3
x265 [info]: Keyframe min / max / scenecut / bias  : 25 / 250 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 0
x265 [info]: References / ref-limit  cu / depth  : 3 / off / on
x265 [info]: AQ: mode / str / qg-size / cu-tree  : 2 / 1.0 / 32 / 1
x265 [info]: Rate Control / qCompress            : CRF-23.0 / 0.60
x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip mode=1 signhide tmvp
x265 [info]: tools: b-intra strong-intra-smoothing deblock sao


  


  I'm using v5 of ffmpeg

  


  ffmpeg version 5.0-tessus  https://evermeet.cx/ffmpeg/  Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 11.0.0 (clang-1100.0.33.17)


  


  How do I get ffmpeg to be really quiet ?

  


• Google Speech Recognition API output errors, unsure why they're occuring

  8 novembre 2019, par Requiem_7

  This is the output for when I feed flac files into Google’s Speech Recognition API. It says that if starts and finishes most of the files but then it gives me these errors when it nears the end. I have checked and all these files are native flac files. I took out a good chunk of the output above "source/out70.flac started" becuase it’s all the same besides the file number.

  source/out70.flac started
  
  source/out25.flac started
  
  source/out17.flac done
  
  source/out18.flac started
  
  source/out25.flac done
  
  source/out20.flac done
  
  source/out21.flac started
  
  source/out10.flac done
  
  source/out100.flac started
  
  source/out14.flac done
  
  source/out18.flac done
  
  source/out21.flac done
  
  Traceback (most recent call last):
  
    File "C:\Users\hmkur\AppData\Roaming\Python\Python37\site-packages\speech_recognition\__init__.py", line 203, in __enter__
  
      self.audio_reader = wave.open(self.filename_or_fileobject, "rb")
  
    File "C:\Program Files (x86)\Python37-32\lib\wave.py", line 510, in open
  
      return Wave_read(f)
  
    File "C:\Program Files (x86)\Python37-32\lib\wave.py", line 164, in __init__
  
      self.initfp(f)
  
    File "C:\Program Files (x86)\Python37-32\lib\wave.py", line 129, in initfp
  
      self._file = Chunk(file, bigendian = 0)
  
    File "C:\Program Files (x86)\Python37-32\lib\chunk.py", line 63, in __init__
  
      raise EOFError
  
  EOFError
  
  
  
  During handling of the above exception, another exception occurred:
  
  
  
  Traceback (most recent call last):
  
    File "C:\Users\hmkur\AppData\Roaming\Python\Python37\site-packages\speech_recognition\__init__.py", line 208, in __enter__
  
      self.audio_reader = aifc.open(self.filename_or_fileobject, "rb")
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 917, in open
  
      return Aifc_read(f)
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 352, in __init__
  
      self.initfp(file_object)
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 314, in initfp
  
      chunk = Chunk(file)
  
    File "C:\Program Files (x86)\Python37-32\lib\chunk.py", line 63, in __init__
  
      raise EOFError
  
  EOFError
  
  
  
  During handling of the above exception, another exception occurred:
  
  
  
  Traceback (most recent call last):
  
    File "C:\Users\hmkur\AppData\Roaming\Python\Python37\site-packages\speech_recognition\__init__.py", line 234, in __enter__
  
      self.audio_reader = aifc.open(aiff_file, "rb")
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 917, in open
  
      return Aifc_read(f)
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 358, in __init__
  
      self.initfp(f)
  
    File "C:\Program Files (x86)\Python37-32\lib\aifc.py", line 314, in initfp
  
      chunk = Chunk(file)
  
    File "C:\Program Files (x86)\Python37-32\lib\chunk.py", line 63, in __init__
  
      raise EOFError
  
  EOFError
  
  
  
  During handling of the above exception, another exception occurred:
  
  
  
  Traceback (most recent call last):
  
    File "C:\Users\hmkur\Desktop\Python\Transcribing_Audio_GoogleAPI_Python\fast.py", line 92, in <module>
  
      all_text = pool.map(transcribe, enumerate(files))
  
    File "C:\Program Files (x86)\Python37-32\lib\multiprocessing\pool.py", line 268, in map
  
      return self._map_async(func, iterable, mapstar, chunksize).get()
  
    File "C:\Program Files (x86)\Python37-32\lib\multiprocessing\pool.py", line 657, in get
  
      raise self._value
  
    File "C:\Program Files (x86)\Python37-32\lib\multiprocessing\pool.py", line 121, in worker
  
      result = (True, func(*args, **kwds))
  
    File "C:\Program Files (x86)\Python37-32\lib\multiprocessing\pool.py", line 44, in mapstar
  
      return list(map(*args))
  
    File "C:\Users\hmkur\Desktop\Python\Transcribing_Audio_GoogleAPI_Python\fast.py", line 82, in transcribe
  
      with sr.AudioFile(name) as source:
  
    File "C:\Users\hmkur\AppData\Roaming\Python\Python37\site-packages\speech_recognition\__init__.py", line 236, in __enter__
  
      raise ValueError("Audio file could not be read as PCM WAV, AIFF/AIFF-C, or Native FLAC; check if file is corrupted or in another format")
  
  ValueError: Audio file could not be read as PCM WAV, AIFF/AIFF-C, or Native FLAC; check if file is corrupted or in another format
  
  </module>

• Combining All MP4s in Directory with ffmpeg

  13 octobre 2015, par Eric Marcinowski

  I’ve been wrestling trying to get the syntax right on this batch file and I can’t for the LIFE of me figure out why some things aren’t working.

  1) The variable ’i’ is not getting incremented.
  and
  2) Concatenation on strc doesn’t seem to want to...well, concatenate.

  set i=0
  
  set "strc=concat:"
  
  
  
  for %%f in (*.mp4) do (
  
      set /a i+=1
  
      set "str=intermediate%i%.ts"
  
  
  
      set strc="%strc% %str%|"
  
  
  
      ffmpeg -i "%%f" -c copy -bsf:v h264_mp4toannexb -f mpegts "%str%"
  
  )
  
  
  
  set strc="%strc:-1%"
  
  ffmpeg -i "%strc%" -c copy -bsf:a aac_adtstoasc Output.mp4