[FFmpeg-trac] #667(undetermined:open): Error when decoding TrueHD 1.0 track that also contains AC-3

FFmpeg trac at avcodec.org
Wed Sep 1 07:11:56 EEST 2021


#667: Error when decoding TrueHD 1.0 track that also contains AC-3
-------------------------------------+-------------------------------------
             Reporter:  Chouonsoku   |                    Owner:  (none)
                 Type:  defect       |                   Status:  open
             Priority:  minor        |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  thd ac3      |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Balling):

 Yet with ffprobe -f ac3 m2ts it does recognize it as E-AC3!!!

 {{{
 [ac3 @ 0000021cebdadd00] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, ac3, from 'C:\Users\ZAQU\stwqab.m2ts':
   Duration: 00:00:51.03, start: 0.000000, bitrate: 94 kb/s
   Stream #0:0: Audio: eac3, 48000 Hz, mono, fltp, 94 kb/s
 }}}

 So IMHO, this has ac3 core and eac3 dependent stream!

 Ah, and yes, this no longer decodes at all with ffmpeg -f ac3 -i
 TrueHDAC3.thd. This is a recent regression but before August 2020.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/667#comment:4>
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