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• How can I batch/sequentially download m3u8 files using ffmpeg ?

  20 février 2020, par Yesterdec

  I’m currently downloading m38u playlists individually using the following on Mac :

  ffmpeg -i <"URL with m3u8"> -codec copy output.ts

  If I want to do multiple files, I currently do it from separate Terminal windows.

  What I would like to do is, in a single instance, tell ffmpeg to e.g. take URLs from a .txt file and download them in sequence, with a sequential output name for each (fine for them to all go in same output folder).

  Sample code from m3u8 file :

  #EXTM3U
  
  #EXT-X-VERSION:3
  
  #EXT-X-MEDIA-SEQUENCE:0
  
  #EXT-X-ALLOW-CACHE:YES
  
  #EXT-X-TARGETDURATION:9
  
  #EXTINF:8.333333,
  
  segment00000.ts
  
  #EXTINF:8.333333,
  
  segment00001.ts
  
  #EXTINF:8.333333,
  
  segment00002.ts
  
  #EXTINF:5.000000,
  
  segment00003.ts
  
  #EXTINF:8.333333,
  
  segment00004.ts
  
  #EXTINF:8.333333,
  
  segment00005.ts

  I certainly have homebrew installed - I’m a novice, so unsure whether that means I’m actively ’using’ it to manage packages

  The file with the list of of m3u8 addresses is currently located at /Users/username/Downloads/m38u hold list.txt and looks like this :

  https://streaming.imvbox.com/media/2825/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2298/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2822/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2821/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2820/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2088/1280x800/1280x800.m3u8

  But so far this file is simply a place to store the links - I haven’t used it anything other than to copy the links from.

• hwcontext_vulkan : correctly download and upload flipped images

  21 avril 2020, par Lynne

  hwcontext_vulkan : correctly download and upload flipped images
  We derive the destination buffer stride from the input stride,
  
  which meant if the image was flipped with a negative stride,
  
  we'd be FFALIGNING a negative number which ends up being huge,
  
  thus making the Vulkan buffer allocation fail and the whole
  
  image transfer fail.
  Only found out about this as OpenGL compositors can copy an entire
  
  image with a single call if its flipped, rather than iterate over
  
  each line.
  

  • [DH] libavutil/hwcontext_vulkan.c

• how to download video m3u8

  23 avril 2020, par Awad Mohamed

  plz can u help me to how to download video like exp.

  



  https://shahid.mbc.net/ar/series/%D9%88%D9%86%D8%B3%D9%86%D9%8A-%D8%A7%D9%84%D9%85%D9%88%D8%B3%D9%85-1-%D8%A7%D9%84%D8%AD%D9%84%D9%82%D8%A9-2/episode-409774

  



  i'm trying use ffmpeg-4.2.2 and give me this error

  



  error : Unable to open URL : https://cdxmd05-ak.akamaized.net/a1c2d0e7-f8b9-4e09-aae8-eba50598b672/3000066533_TXMHD_Wanesni_1_Ep___2_.ism/manifest(format=m3u8-aapl-v3).m3u8 (415 Client Error : Unsupported Media Type for url : https://cdxmd05-ak.akamaized.net/a1c2d0e7-f8b9-4e09-aae8-eba50598b672/3000066533_TXMHD_Wanesni_1_Ep___2_.ism/manifest(format=m3u8-aapl-v3).m3u8)