[Vorbis-dev] Continued:How can I seek in Ogg Vorbis file, but not using Vorbisfile library?

[隽 徐]

Hello, All.
   
  Thanks, Ian Malone, thank you for your help. I have a better understanding about the Ogg Vorbis
  decoding now.
   
  You are so kind to give me the example about callbacks, but unfortunately, I am not allowed to use the 
  file like operations. So, I can only use the API provided by libogg and libvorbis.
   
  I put part of the Ogg Voribis file in a buffer, then seek in the buffer, and I can find the page with a 
  complete packet, but I don’t know how to get the exactly location of the page or the packet. I want to
  use the ogg_page_granulepos() function, but according to the documentation provided by xiph.org, it is 
  an absolute position within the original uncompressed data. 
   
  If I can get bytes number before this page, then how can I get the packet location?
   
  Thank you.
   
  Best wishes,
  Susan

 		
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