[FFmpeg-trac] #9433(undetermined:new): FFmpeg fails to decode AAC with embedded tags

FFmpeg trac at avcodec.org
Wed Sep 22 01:37:02 EEST 2021

#9433: FFmpeg fails to decode AAC with embedded tags
             Reporter:  shirt        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug: FFmpeg fails to decode AAC with embedded ID3v2 tags.
 How to reproduce:
 Use the attached aac file with ffmpeg. It works on ffmpeg 3.0.1 but fails
 on master. Also works after being processed with mkvmerge.

 % ffmpeg -i test6000.aac -map 0:a -f null -
 ffmpeg version git-2021-09-13-989febf-ffmpeg-windows-build-helpers
 Copyright (c) 2000-2021 the FFmpeg developers
   built with gcc 10.2.0 (GCC)
   configuration: --pkg-config=pkg-config --pkg-config-flags=--static
 --extra-version=ffmpeg-windows-build-helpers --enable-version3 --disable-
 debug --disable-w32threads --arch=x86_64 --target-os=mingw32 --cross-
 --enable-libcaca --enable-gray --enable-libtesseract --enable-fontconfig
 --enable-gmp --enable-gnutls --enable-libass --enable-libbluray --enable-
 libbs2b --enable-libflite --enable-libfreetype --enable-libfribidi
 --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
 --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libwebp --enable-libzimg --enable-libzvbi --enable-
 libmysofa --enable-libopenjpeg --enable-libopenh264 --enable-liblensfun
 --enable-libvmaf --enable-libsrt --enable-libxml2 --enable-opengl
 --enable-libdav1d --enable-cuda-llvm --enable-libsvthevc --enable-
 libsvtav1 --enable-libaom --enable-libvpx --enable-nvenc --enable-nvdec
 --extra-libs=-lharfbuzz --extra-libs=-lm --extra-libs=-lpthread --extra-
 cflags=-DLIBTWOLAME_STATIC --extra-cflags=-DMODPLUG_STATIC --extra-
 cflags=-DCACA_STATIC --enable-amf --enable-libmfx --enable-gpl --enable-
 frei0r --enable-librubberband --enable-libvidstab --enable-libx264
 --enable-libx265 --enable-avisynth --enable-libaribb24 --enable-libxvid
 --enable-libdavs2 --enable-libxavs2 --enable-libxavs --extra-
 cflags='-mtune=generic' --extra-cflags=-O3 --enable-static --disable-
 shared --prefix=/home/runner/work/ffmpeg-autobuild/ffmpeg-autobuild
 /ffmpeg-source --enable-nonfree --enable-libfdk-aac --enable-decklink
   libavutil      57.  5.100 / 57.  5.100
   libavcodec     59.  7.103 / 59.  7.103
   libavformat    59.  5.100 / 59.  5.100
   libavdevice    59.  0.101 / 59.  0.101
   libavfilter     8.  9.100 /  8.  9.100
   libswscale      6.  1.100 /  6.  1.100
   libswresample   4.  0.100 /  4.  0.100
   libpostproc    56.  0.100 / 56.  0.100
 [aac @ 000001b5e6f283c0] Estimating duration from bitrate, this may be
 Input #0, aac, from 'test6000.aac':
   Duration: 00:53:06.53, bitrate: 102 kb/s
   Stream #0:0: Audio: aac (LC), 48000 Hz, stereo, fltp, 102 kb/s
   Stream #0:1: Video: mjpeg (Baseline), yuvj420p(pc,
 bt470bg/unknown/unknown), 576x432 [SAR 72:72 DAR 4:3], 90k tbr, 90k tbn
 (attached pic)
       comment         : Movie/video screen capture
 Stream mapping:
   Stream #0:0 -> #0:0 (aac (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Output #0, null, to 'pipe:':
     encoder         : Lavf59.5.100
   Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
       encoder         : Lavc59.7.103 pcm_s16le
 test6000.aac: Invalid data found when processing input
 size=N/A time=00:05:40.35 bitrate=N/A speed=1.1e+03x
 video:0kB audio:63816kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.
Ticket URL: <https://trac.ffmpeg.org/ticket/9433>
FFmpeg <https://ffmpeg.org>
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