[FFmpeg-trac] #10373(ffplay:new): AAC length not detected properly

FFmpeg trac at avcodec.org
Thu May 18 22:39:48 EEST 2023


#10373: AAC length not detected properly
-------------------------------------+-------------------------------------
             Reporter:  superbonaci  |                     Type:  defect
               Status:  new          |                 Priority:  minor
            Component:  ffplay       |                  Version:
                                     |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: Audio runtime is 00:13:20.35 but detected as
 00:12:36.41
 How to reproduce:
 {{{
 % ffplay fools-the-north-wind.aac
 ffplay version 6.0 Copyright (c) 2003-2023 the FFmpeg developers
   built with Apple clang version 14.0.3 (clang-1403.0.22.14.1)
   configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0 --enable-shared
 --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-
 ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom
 --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-
 libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-
 librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1
 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-
 libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma
 --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-
 libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
 libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-
 libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox
 --enable-neon
   libavutil      58.  2.100 / 58.  2.100
   libavcodec     60.  3.100 / 60.  3.100
   libavformat    60.  3.100 / 60.  3.100
   libavdevice    60.  1.100 / 60.  1.100
   libavfilter     9.  3.100 /  9.  3.100
   libswscale      7.  1.100 /  7.  1.100
   libswresample   4. 10.100 /  4. 10.100
   libpostproc    57.  1.100 / 57.  1.100
 [aac @ 0x12f638ee0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, aac, from 'fools-the-north-wind.aac':
   Duration: 00:12:36.41, bitrate: 18 kb/s
   Stream #0:0: Audio: aac (LC), 22050 Hz, mono, fltp, 18 kb/s
    1.47 M-A:  0.000 fd=   0 aq=    2KB vq=    0KB sq=    0B f=0/0
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10373>
FFmpeg <https://ffmpeg.org>
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