[FFmpeg-trac] #304(avformat:reopened): wrong detection: "Format mp3 detected only with small score of 1"
FFmpeg
trac at avcodec.org
Thu Apr 14 16:46:07 CEST 2016
#304: wrong detection: "Format mp3 detected only with small score of 1"
-------------------------------------+-------------------------------------
Reporter: AndreAdrian | Owner:
Type: defect | Status: reopened
Priority: normal | Component: avformat
Version: 0.7.1 | Resolution:
Keywords: mp3 mjpeg | Blocked By:
misdetection | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by alexschrod):
* status: closed => reopened
* resolution: needs_more_info =>
Comment:
I've attached a file that triggers this mp3-detection behavior. This is
the output from ffmpeg:
{{{
ffmpeg version N-76526-ga5202bc Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 5.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-
libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs
--enable-libxvid --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 5.100 / 55. 5.100
libavcodec 57. 15.100 / 57. 15.100
libavformat 57. 14.100 / 57. 14.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 15.100 / 6. 15.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[mp3 @ 005bab20] Format mp3 detected only with low score of 1,
misdetection possible!
[mp3 @ 005d21e0] Header missing
Last message repeated 1 times
[mp3 @ 005bab20] decoding for stream 0 failed
[mp3 @ 005bab20] Could not find codec parameters for stream 0 (Audio: mp3,
0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
C:\Users\User\Desktop\test2.jpg: could not find codec parameters
Input #0, mp3, from 'C:\Users\User\Desktop\test2.jpg':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Audio: mp3, 0 channels, s16p
At least one output file must be specified
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/304#comment:3>
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