[gst-devel] aac: how to get ps & sbr information from adts or adif header

[zhangfei gao]

Hi,  
   
  adts & adif header provide object_type, ar_index and channel information.
object_type only has four format, 0 is MAIN, 1 is LC, 2 is SSR, 3 is LTP.
  
Then how could I know whether this adts or adif stream is sbr stream or ps stream.
Does thest two format has relation with object_type, or adts header do not has such field.
   
  Could you share some ideas.
  Thanks in advance

       
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