faad is used to transcode ADTS, MPEG4 and ALAC files.  Andyg has patched
standard faad to be able to seek for MPEG4 - this ability ffw/rew in MP4
files was a new feature in 7.6.0. There were also changes in scanner.

This seems to point to an issue about the m4a files you have.

The original message about "T" format can be seen by looking at the
convert.conf file and difference between how faad is called for MPEG4
file and AAC files.

Code:
--------------------
    
  mp4 flc * *
  # FT:{START=-j %s}U:{END=-e %u}
  [faad] -q -w -f 1 $START$ $END$ $FILE$ | [flac] -cs --totally-silent 
--compression-level-0 --ignore-chunk-sizes -
  
  aac flc * *
  # IF
  [faad] -q -w -f 1 $FILE$ | [flac] -cs --totally-silent --compression-level-0 
--ignore-chunk-sizes -
  
  
--------------------


When transcoding AAC - the input is streamed to faad through stdin and
SBS does the "seek" to go back/forward in the stream whereas when
playing MP4 format - faad is passed a file name and faad seek within
the file. 

The seek function works OK with the MPEG4 Bugle podcasts found in
MediaFly/Comedy which only has audio content (i.e. no video).

It looks like there are a number of MPEG4/AAC related bugs probably due
to some variants on file formats for example the XLR8R file has
significant video content. I think you need to create bug reports with
example of problem files.


-- 
bpa
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