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• avformat/crypto : Avoid cast, use proper printf specifier

  15 mars 2024, par Andreas Rheinhardt

  avformat/crypto : Avoid cast, use proper printf specifier
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavformat/crypto.c

• fftools/ffprobe : Don't cast const away needlessly

  21 février 2024, par Andreas Rheinhardt

  fftools/ffprobe : Don't cast const away needlessly
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] fftools/ffprobe.c

• How to use ffmpeg-python library to download a Twitch VOD with a link retrieved using the streamlink library

  28 octobre 2020, par Daniel Norfolk

  This is the whole code, for easy reference :

  


  import urllib.request
import streamlink
import ffmpeg
stream_url = streamlink.streams("https://www.twitch.tv/videos/783301562")['best'].url
print(stream_url)

try:
    urllib.request.urlretrieve(stream_url, "vod.m3u8")
except Exception as e:
    print(e)

stream = (
    ffmpeg
    .input('vod.m3u8')
    .output('output.mp4')
    .run
)
print(stream)


  


  I am looking at a way of downloading Twitch VODs. I started with the link to a VOD : https://www.twitch.tv/videos/783301562 . I then used the code :

  


  stream_url = streamlink.streams("https://www.twitch.tv/videos/783301562")['best'].url
print(stream_url)


  


  This gave me a new link which, when I go to this link it downloaded a file with a '.m3u8' extension. This link is : https://dqrpb9wgowsf5.cloudfront.net/ab3654a5992fbfa52ccb_briziana_40240109614_1603789265/chunked/index-dvr.m3u8

  


  From here, I first tried to put the link directly into the following code :

  


  stream = (
    ffmpeg
    .input(stream_url)
    .output('output.mp4')
    .run
)
print(stream)


  


  This didn't output any mp4 file but did give the output :

  


  


  >

  


  


  I then added the following code to download the file, I also change the ffmpeg code to use the downloaded file rather then the url :

  


  try:
    urllib.request.urlretrieve(stream_url, "vod.m3u8")
except Exception as e:
    print(e)

stream = (
    ffmpeg
    .input('vod.m3u8')
    .output('output.mp4')
    .run
)
print(stream)


  


  This gave the same result, no mp4 file with the same output as above. Any help would be greatly appreciated !