[FFmpeg-trac] #6683(undetermined:new): Transport library initialization error in libfdk_aac when using aac_eld profile

FFmpeg trac at avcodec.org
Fri Sep 22 01:16:09 EEST 2017


#6683: Transport library initialization error in libfdk_aac when using aac_eld
profile
-------------------------------------+-------------------------------------
               Reporter:  llogan     |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  libfdk_aac
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 [http://ffmpeg.org/ffmpeg-codecs.html#libfdk_005faac Docs] show `aac_eld`
 as a recognized profile for libfdk_aac.

 {{{
 $ ./ffmpeg -f lavfi -i sine=d=1 -c:a libfdk_aac -profile:a aac_eld -f null
 -
 ffmpeg version N-87351-gc34c0e3a64 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 7.2.0 (GCC)
   configuration: --enable-libfdk_aac --enable-libzimg
   libavutil      55. 76.100 / 55. 76.100
   libavcodec     57.106.101 / 57.106.101
   libavformat    57. 82.101 / 57. 82.101
   libavdevice    57.  8.101 / 57.  8.101
   libavfilter     6.105.100 /  6.105.100
   libswscale      4.  7.103 /  4.  7.103
   libswresample   2.  8.100 /  2.  8.100
 Input #0, lavfi, from 'sine=d=1':
   Duration: N/A, start: 0.000000, bitrate: 705 kb/s
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (libfdk_aac))
 Press [q] to stop, [?] for help
 [libfdk_aac @ 0x56324b0d6be0] Unable to initialize the encoder: Transport
 library initialization error
 Error initializing output stream 0:0 -- Error while opening encoder for
 output stream #0:0 - maybe incorrect parameters such as bit_rate, rate,
 width or height
 Conversion failed!
 }}}

 Linked to libfdk-aac 0.1.5.

 Seems to work when using `fdkaac`:
 {{{
 $ ffmpeg -loglevel quiet -f lavfi -i sine=d=1 -f wav - | fdkaac - -b64
 -p39 -o out.m4a
 00:01.000 (83x)
 44100 samples processed in 00:00.012
 }}}

 Perhaps a problem on our end, but I didn't investigate and didn't try a
 bisect.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6683>
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