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

[FFmpeg]

#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 jwilhelmsson):

 Weird, for two of the files qt-faststart fails (see below). But I tried
 extracting larger chunks and managed to get playable files from all three
 without including too much of the actual content (to avoid the wrath of
 our client).

 {{{
 qt-faststart g_org.mp4 g_fs.mp4
 ftyp          0 24
 moov         24 2593869
 skip    2593893 10248
 mdat    2604141 1974368143
 last atom in file was not a moov atom

 qt-faststart td101_org.mp4 td101_fs.mp4
 ftyp          0 24
 moov         24 292864
 mdat     292888 92353661
 free   92646549 59
 last atom in file was not a moov atom

 qt-faststart tj103_org.mov tj103_fs.mov
 ftyp          0 20
 wide         20 8
 mdat         28 204441012
 moov  204441040 874408
  patching stco atom...
  patching stco atom...
  patching stco atom...
  writing ftyp atom...
  writing moov atom...
  copying rest of file...
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5910#comment:15>
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