[FFmpeg-trac] #1407(avcodec:open): HE-AAC (v2): 960/120 MDCT window is not implemented

FFmpeg trac at avcodec.org
Fri Jun 24 19:18:10 EEST 2022


#1407: HE-AAC (v2): 960/120 MDCT window is not implemented
-------------------------------------+-------------------------------------
             Reporter:  Carl Eugen   |                    Owner:  (none)
  Hoyos                              |
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  aac          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Valerio):

 I am adding here a sample generated decoding a DAB+ radio. Latest ffprobe
 reports:

 {{{

 ffprobe version N-107228-g9fdfc74877 Copyright (c) 2007-2022 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
   configuration:
   libavutil      57. 27.100 / 57. 27.100
   libavcodec     59. 33.100 / 59. 33.100
   libavformat    59. 25.100 / 59. 25.100
   libavdevice    59.  6.100 / 59.  6.100
   libavfilter     8. 41.100 /  8. 41.100
   libswscale      6.  6.100 /  6.  6.100
   libswresample   4.  6.100 /  4.  6.100
 [aac_latm @ 0x55b1c1a7bf40] SBR with 960 frame length is not implemented.
 Update your FFmpeg version to the newest one from Git. If the problem
 still occurs, it means that your file has a feature which has not been
 implemented.
 [aac_latm @ 0x55b1c1a7bf40] SBR with 960 frame length is not implemented.
 Update your FFmpeg version to the newest one from Git. If the problem
 still occurs, it means that your file has a feature which has not been
 implemented.
 Input #0, loas, from 'test.out':
   Duration: N/A, bitrate: N/A
   Stream #0:0: Audio: aac_latm (LC), 24000 Hz, mono, fltp
 [aac_latm @ 0x55b1c1a8e440] SBR with 960 frame length is not implemented.
 Update your FFmpeg version to the newest one from Git. If the problem
 still occurs, it means that your file has a feature which has not been
 implemented.

 }}}

 It would be nice after 10 years to have ffmpeg capable of decoding DAB+
 radios directly
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/1407#comment:29>
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