[FFmpeg-trac] #11018(ffmpeg:new): Bug: Export AAC from video file with specific duration don't give the good duration

[FFmpeg]

#11018: Bug: Export AAC from video file with specific duration don't give the good
duration
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  Imprevisible                       |
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:
             Keywords:  segment aac  |  unspecified
  seek seeking                       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 I want to extract specific seconds of a video file, to an AAC, to create
 custom HLS file. When I export 5s, the outputed file is never 5s, maybe
 less, maybe more, but never 5s/
 How to reproduce:
 {{{
 % ffmpeg -hide_banner -loglevel error -i "/media/Dockarr/downloads-
 vpn/media/Séries/The IT Crowd/Season 1/The It Crowd S01e01 - Yesterday's
 Jam.m4v" -ss 0:00:00 -to 0:00:05 -c:a aac -map 0:a:0 -ac 2 -vn -report
 test.aac
 ffmpeg version 4.4.2-0ubuntu0.22.04.1
 built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
   configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite
 --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-
 libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-
 libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus
 --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-
 libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-
 libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-
 libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq
 --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl
 --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg
 --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared

 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11018>
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