[FFmpeg-trac] #5910(undetermined:new): AAC to PCM conversion inserts extra silence in the beginning

FFmpeg trac at avcodec.org
Sat Oct 29 15:32:03 EEST 2016


#5910: AAC to PCM conversion inserts extra silence in the beginning
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  jwilhelmsson                       |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  aac pcm      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cus):

 This is normal for raw AAC bitstreams. If an AAC bitstream is in a proper
 container which correctly describes the encoder delay, ffmpeg should be
 able to skip the uneeded samples from the start.

 https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFAppenG/QTFFAppenG.html

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Ticket URL: <https://trac.ffmpeg.org/ticket/5910#comment:8>
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