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

FFmpeg trac at avcodec.org
Wed Sep 27 21:00:19 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-master   |  undetermined
             Keywords:  libfdk_aac   |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 Works fine here for an actual encode:
 {{{
 $ ffmpeg -f lavfi -i sine=d=1 -c:a libfdk_aac -profile:a aac_eld out.m4a
 ffmpeg version N-87486-gdc522cf Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.0 (GCC)
   configuration: --enable-libfdk-aac
   libavutil      55. 76.100 / 55. 76.100
   libavcodec     57.106.102 / 57.106.102
   libavformat    57. 83.100 / 57. 83.100
   libavdevice    57.  9.100 / 57.  9.100
   libavfilter     6.106.100 /  6.106.100
   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
 Output #0, ipod, to 'out.m4a':
   Metadata:
     encoder         : Lavf57.83.100
     Stream #0:0: Audio: aac (libfdk_aac) (ELD) (mp4a / 0x6134706D), 44100
 Hz, mono, s16, 96 kb/s
     Metadata:
       encoder         : Lavc57.106.102 libfdk_aac
 [Parsed_sine_0 @ 0x2c4f380] EOF timestamp not reliable
 size=      13kB time=00:00:01.00 bitrate= 107.1kbits/s speed=39.4x
 video:0kB audio:12kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 9.392040%
 }}}
 I wonder what your original command line is supposed to do, it succeeds if
 global headers are requested:
 {{{
 $ ffmpeg -f lavfi -i sine=d=1 -c:a libfdk_aac -profile:a aac_eld -flags
 +global_header -f null -
 ffmpeg version N-87486-gdc522cf Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.0 (GCC)
   configuration: --enable-libfdk-aac
   libavutil      55. 76.100 / 55. 76.100
   libavcodec     57.106.102 / 57.106.102
   libavformat    57. 83.100 / 57. 83.100
   libavdevice    57.  9.100 / 57.  9.100
   libavfilter     6.106.100 /  6.106.100
   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
 signaling: 2
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.83.100
     Stream #0:0: Audio: aac (libfdk_aac) (ELD), 44100 Hz, mono, s16, 96
 kb/s
     Metadata:
       encoder         : Lavc57.106.102 libfdk_aac
 [Parsed_sine_0 @ 0x3f74440] EOF timestamp not reliable
 size=N/A time=00:00:01.00 bitrate=N/A speed=52.1x
 video:0kB audio:12kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6683#comment:1>
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