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• I detected an error downloading a twitch tv stream. I use ffmpeg. That error stops the download, how can I fix it ? [closed]

  9 juin, par sort35ofn

  I wanted to perform a download via ffmpeg of a video streamed live on the Twitch tv platform. I have windows 10 and I use cmd to run ffmpeg.

  


  The command I use to download the concert is :

  


  ffmpeg.exe -i "m3u8-link" -c copy name.ts


  


  I once downloaded with yt-dlp, but noticed that the quality was noticeably lower, at least using the following command :
yt-dlp.exe -f (bestvideo+bestaudio/best) "amazon-channel-link"

  


  That's why I prefer to download with ffmpeg. Normally I haven't had any problems with downloads. But this is already the third time (not continuously/consecutively) that I get this error. That error causes the download of the stream to terminate. It is not like in other occasions that sometimes a .ts fragment (of 3 seconds, for example) has already expired (and is not included in the download) but the download continues.

  


  [https @ 000001edada180c0] Opening 'https://sae12.playlist.ttvnw.net/v1/playlist/Cr4GlKuutNM7CxfM9Sq0mdUFxA8uA3F2oluPaJOmOPaBjmTkdiv4RxnkTtt_tEV8t2CyuH6D1E0HB3Erpbjq3mCfV5KqO4GfOMNOElmyYe2AKZcyQJHNeavrFfVBPB_pbDS5PYWTzUHoS0iTLfmn2cx-wHMHXa5MO-IdGPRixWDvezKNhOebWYscoIWvYwstshPSFvem1EN1UES7QfIDHSlBcZF3lGeVpg2yl05dhVwAX8YI9rnBtXYbwAUwcjEmPiqk_wm6oEX-2LRsw_05dznnVv6BbyYsLvyZu810xt9BNQU6rNCSzuoZhVx8gFxoyEdUt-VV3L_xj78-5CFibrvnO4uCafCZ5-wE_bEtUQeuHsLmm9Qf9Pj5BIGB2BHWm2LqlGTHcDG-8Z0u1-3_FB_h7fN7-uuyN-6-lreZYHDPviM8hKHFMU3zwNY29elgKRPgVMJ-4ysLWGuOPdwrylJpLFJSzsXhZaEE4p_4Zg6gfDuozYYttmPI2G1LErd5p1lT9DkQncFZibymap5Fiv-x21-jeNbrZo92PfW7lIo6NPdlnPWyoUTOb2KjgU9R0fm1UJt1kQJmQMVyDN2OHZ4t7dcAfyGMTwU26O7DdaYZhhv8mPMteBZcyjnLKH7e5AMtHUEVO2r9QIOiH0wDLNh-f9WS2kmRdJENBvl5mMGdyVHhBc9K9G5SuxBesi6F_9P_8agwpPo51m8ikJvSVJKduoIfVLSuto2SIe4DFI7hMxbplWfxBb1PNEoMWyeQd0iHUwDqQwVCFHq8OhGBp1EJtx1CNVtBhztLIqNXBbxR1Cdy8tx5rdJjq4EKlFKU3eh3_aRkhe7gulUKx2cZYNg4bGHpNBU1DP-std8xG1ckPdTpig-h_1okYPd7sXnynBFnhMHkVipsIJC4fkoT2MXHo3ItgMgTUBh1-oWD6qaD00VDM9TyDcCawJt-kI8-KnwlUkh7pq2cUv9ODqSjm5xcLoxPUxutCoZ9aKq9cnV0kqKPXxmLOekmgWK8G8MjFZ6Es5n46NeKREgQEBUTf2TZkUTOHZAiElyPy0ZdyOxFkdFZ06yqq8zUWG_dnhpgbrS1SueCOx5rGInRIdg94TIaDLMJTUvkLrqDdcS2jiABKgl1cy1lYXN0LTIwuAw.m3u8' for reading
[https @ 000001edad715600] HTTP error 500 Internal Server Errortrate=4480.2kbits/s speed=1.01x elapsed=0:17:30.76
[hls @ 000001edab89e500] keepalive request failed for 'https://sae12.playlist.ttvnw.net/v1/playlist/Cr4GlKuutNM7CxfM9Sq0mdUFxA8uA3F2oluPaJOmOPaBjmTkdiv4RxnkTtt_tEV8t2CyuH6D1E0HB3Erpbjq3mCfV5KqO4GfOMNOElmyYe2AKZcyQJHNeavrFfVBPB_pbDS5PYWTzUHoS0iTLfmn2cx-wHMHXa5MO-IdGPRixWDvezKNhOebWYscoIWvYwstshPSFvem1EN1UES7QfIDHSlBcZF3lGeVpg2yl05dhVwAX8YI9rnBtXYbwAUwcjEmPiqk_wm6oEX-2LRsw_05dznnVv6BbyYsLvyZu810xt9BNQU6rNCSzuoZhVx8gFxoyEdUt-VV3L_xj78-5CFibrvnO4uCafCZ5-wE_bEtUQeuHsLmm9Qf9Pj5BIGB2BHWm2LqlGTHcDG-8Z0u1-3_FB_h7fN7-uuyN-6-lreZYHDPviM8hKHFMU3zwNY29elgKRPgVMJ-4ysLWGuOPdwrylJpLFJSzsXhZaEE4p_4Zg6gfDuozYYttmPI2G1LErd5p1lT9DkQncFZibymap5Fiv-x21-jeNbrZo92PfW7lIo6NPdlnPWyoUTOb2KjgU9R0fm1UJt1kQJmQMVyDN2OHZ4t7dcAfyGMTwU26O7DdaYZhhv8mPMteBZcyjnLKH7e5AMtHUEVO2r9QIOiH0wDLNh-f9WS2kmRdJENBvl5mMGdyVHhBc9K9G5SuxBesi6F_9P_8agwpPo51m8ikJvSVJKduoIfVLSuto2SIe4DFI7hMxbplWfxBb1PNEoMWyeQd0iHUwDqQwVCFHq8OhGBp1EJtx1CNVtBhztLIqNXBbxR1Cdy8tx5rdJjq4EKlFKU3eh3_aRkhe7gulUKx2cZYNg4bGHpNBU1DP-std8xG1ckPdTpig-h_1okYPd7sXnynBFnhMHkVipsIJC4fkoT2MXHo3ItgMgTUBh1-oWD6qaD00VDM9TyDcCawJt-kI8-KnwlUkh7pq2cUv9ODqSjm5xcLoxPUxutCoZ9aKq9cnV0kqKPXxmLOekmgWK8G8MjFZ6Es5n46NeKREgQEBUTf2TZkUTOHZAiElyPy0ZdyOxFkdFZ06yqq8zUWG_dnhpgbrS1SueCOx5rGInRIdg94TIaDLMJTUvkLrqDdcS2jiABKgl1cy1lYXN0LTIwuAw.m3u8' with error: 'Server returned 5XX Server Error reply' when parsing playlist
[https @ 000001edad714900] HTTP error 500 Internal Server Errortrate=4480.2kbits/s speed=   1x elapsed=0:17:32.82
[hls @ 000001edab89e500] Failed to reload playlist 0
[https @ 000001edab8a4dc0] Opening 'https://c513a515af41.chantenay.akamai.hls.ttvnw.net/v1/segment/CvUCxQ8TAK7dXfVU_OB77Tl0jy4jVuXiNgXG_97z6zGC4vXLrJNkgegJgVTcnrjyxZuL37UAeKJ9nhR48Yq2YRy_r8EnJ3PyAX407Gj21HDw3AG1KFXL-Z1ysn7DFTvOb434uA_farXGB276wYH-n0dFr7TzD7G2sCLcYSZeyadGEwJbq3wvb7AglP8UEU0JxwZRVKWx0zX9Vd4I3EiSdAUP7w96T75UBwreFKwxvq16-od59YpbneYRYUYkgKEZSLTgrmCkm_nN4FWxOCSOhFHqHmjCenSREMJMdSHbhcqgvU5pdIxSm0ITMAxY4jX6cUTFKsqYGeKwCMHjy0gptCuPGVvEJCffxq00YNmF194USBRWumBZCp0TuRtI4LzjyPB1LARLdzJ56bCibI6lRE4hDn53zAV5ZUcWlkUIuUJ52D4vH3fRl85AQHV8UiWl8MEfyjJ4B8XxThp7lZ8nhAX42pUJ_8YgaK6BO51syG2Rkm9icm8ddRoM8pDl2Pkp8FgFncdIIAEqCXVzLWVhc3QtMjC4DA.ts?dna=CnWfUp8FT0O95nMtHpmzX-0LudnQmJLc-YARNX594okBXpxNtNQOAoOFUhTgI3_AReiOPiW_1e2e3oeoXJfoJbH4KZniEQhFhSWU7wMaSzM8CkZomzvn1Gig5l71lY9wSw8DV-QRh6LK7zfRqp5yy547EAFTbcwaDDnujf_TZXo1TVET8CABKgl1cy1lYXN0LTIwuAw' for reading
[https @ 000001edad4be180] Opening 'https://c513a515af41.chantenay.akamai.hls.ttvnw.net/v1/segment/CvUCvDoClU0qVRu8zB4Vm0gdhBMUSkOd9X-6zOlmLSLjAZDs-Oxj_mW5vBJWinuwpM4xU4bDToC8hfj7Xv80h6Rc93voJNaNiUxYWszEFu1AJh-_LsqxEJA-3nW8MBNo9YeaecC_EX8TF0VTaVBGiLI1SQNREb-1B5pAkYXfVcO_OSI2QqrssKXbBzkNwsx6dW38ir7CNT9qTZACJGzDZkxXYrSlArubviw_wXxSKXQKn0YcF3yXeKO4iXHRjkyrX0rnaSM3PRDJhr1xGT47u9J5jymTL55O9QRLS-9Z8ZN1LhqpXLxBFJbFi-4v_yJZWponNmS3F6b3rMhW3WCv5qw96B4UHF7NjFJWk0LmyLTkNcBAPC2yyARDZ02MoIXPzMSEq9Z1O4jrASPj34HXA_8BdxqZdVtyzjEekR2ThJkueLyFshQ3HIGkeFH49xpQmDNgE93VovfMACG9RTUCIPP9cZuOhTkoFBpT7JSrOx_p2oS3q4QiYxoMQNuunEN7QhQW4OPMIAEqCXVzLWVhc3QtMjC4DA.ts?dna=CnWfUp8FT0O95nMtHpmzX-0LudnQmJLc-YARNX594okBXpxNtNQOAoOFUhTgI3_AReiOPiW_1e2e3oeoXJfoJbH4KZniEQhFhSWU7wMaSzM8CkZomzvn1Gig5l71lY9wSw8DV-QRh6LK7zfRqp5yy547EAFTbcwaDDnujf_TZXo1TVET8CABKgl1cy1lYXN0LTIwuAw' for reading
[in#0/hls @ 000001edab89e3c0] Error during demuxing: Server returned 5XX Server Error reply 1x elapsed=0:17:33.34
[out#0/mpegts @ 000001edab92e880] video:547017KiB audio:12398KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 3.451806%
frame=26450 fps= 25 q=-1.0 Lsize=  578726KiB time=00:17:37.96 bitrate=4481.2kbits/s speed=   1x elapsed=0:17:33.35

yt-dlp>


  


  Is there any way to prevent this error ? Or can I do something so that the download does not stop because of this error ?

  


  And excuse me but I forgot to take a screenshot of the cmd screen, so I don't remember the colors of the letters (it certainly changed the colors of the letters when the error appeared). So I proceed to indicate that the error starts when it says : “ [hls @ 000001edab89e500] keepalive request failed for ”.

  


• Download FFMPEG source code and debug it [on hold]

  25 février 2017, par IPS

  I need to record a video from IP camera and currently I am using FFMPEG commands with a C# .Net application for that but we are facing issue with this as if we record a video of 300 seconds(5 Minutes) then 1 or 2 seconds video gets lost, don’t know why ?.

  So we need to check with source code of FFMPEG.

  I have downloaded the source code and I think it is written in "C/C++", so Can anyone guide me how to run and debug source code ?

  Or any other alternate way to record live video from IP camera RTSP stream.

• error when running "imageio.plugins.ffmpeg.download()"

  14 juin 2018, par Maryeveh

  I am trying to run the command imageio.plugins.ffmpeg.download() after installing moviepy and imageio and importing imageio without error.
  I keep getting the following error and cannot figure out the solution :

  Imageio: 'ffmpeg-osx-v3.2.4' was not found on your computer; downloading it now.
  
  Error while fetching file: <urlopen error="error" certificate="certificate" verify="verify" failed="failed">.
  
  Error while fetching file: <urlopen error="error" certificate="certificate" verify="verify" failed="failed">.
  
  Error while fetching file: <urlopen error="error" certificate="certificate" verify="verify" failed="failed">.
  
  Error while fetching file: <urlopen error="error" certificate="certificate" verify="verify" failed="failed">.
  
  
  
      ---------------------------------------------------------------------------
  
      IOError                                   Traceback (most recent call last)
  
       in <module>()
  
            3 get_ipython().magic(u'matplotlib inline')
  
            4 import imageio
  
      ----> 5 imageio.plugins.ffmpeg.download()
  
            6 import matplotlib
  
            7 import matplotlib.pyplot as plt
  
  
  
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/imageio/plugins/ffmpeg.pyc in download(directory, force_download)
  
          71     get_remote_file(fname=fname,
  
           72                     directory=directory,
  
      ---> 73                     force_download=force_download)
  
          74 
  
          75 
  
  
  
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/imageio/core/fetching.pyc in get_remote_file(fname, directory, force_download, auto)
  
        125             return filename
  
         126     else:  # pragma: no cover
  
     --> 127         _fetch_file(url, filename)
  
         128         return filename
  
         129 
  
  
  
      /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/imageio/core/fetching.pyc in _fetch_file(url, file_name, print_destination)
  
          181         raise IOError('Unable to download %r. Perhaps there is a no internet '
  
          182                       'connection? If there is, please report this problem.' %
  
      --> 183                       os.path.basename(file_name))
  
          184 
  
          185 
  
  </module></urlopen></urlopen></urlopen></urlopen>

  IOError : Unable to download ’ffmpeg-osx-v3.2.4’. Perhaps there is a
  no internet connection ? If there is, please report this problem.

  I tried all the solutions I could think of or/and found online, including the ones described here ffmpeg installation on macOS for MoviePy fails with SSL error, but nothing helped.
  Does anyone found another solution ?

  Thanks