#11581: WAV demuxer codec probe misdetects PCM data as MP3
-------------------------------------+-------------------------------------
Reporter: Marton | Type: defect
Balint |
Status: new | Priority: normal
Component: avformat | Version: git-
Keywords: wav | master
pcm_s16le mp1 mp3 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
{{{
ffprobe wav-pcm-misdetected-as-mp3.wav
}}}
{{{
ffprobe version N-119447-g62f9d45284 Copyright (c) 2007-2025 the FFmpeg
developers
built with gcc 7 (SUSE Linux)
configuration: --enable-vdpau --enable-gpl --enable-libfreetype
--enable-libzvbi --enable-libass --enable-frei0r --enable-openssl
--enable-nonfree --enable-libx264 --enable-libx265 --enable-libsrt
--enable-libfdk-aac --enable-nonfree --enable-libvorbis --enable-decklink
--enable-libmp3lame --enable-libvpx --enable-librsvg --enable-libdrm
--enable-indev=kmsgrab --assert-level=2 --enable-libzimg --enable-opengl
--enable-libpulse --enable-libxml2 --enable-libsnappy --enable-encoder=hap
--enable-libwebp --enable-libopenh264 --enable-libfontconfig --enable-
libklvanc --enable-libzmq --enable-libfreetype --enable-filter=drawtext
--enable-libxvid
libavutil 60. 2.100 / 60. 2.100
libavcodec 62. 3.101 / 62. 3.101
libavformat 62. 0.102 / 62. 0.102
libavdevice 62. 0.100 / 62. 0.100
libavfilter 11. 0.100 / 11. 0.100
libswscale 9. 0.100 / 9. 0.100
libswresample 6. 0.100 / 6. 0.100
libpostproc 59. 1.100 / 59. 1.100
[mp1 @ 0x2c3401c0] Header missing
Input #0, wav, from 'wav-pcm-misdetected-as-mp3.wav':
Metadata:
encoder : Lavf62.0.102
timecode : 00:00:00:00
Duration: 00:00:00.51, bitrate: 1537 kb/s
Stream #0:0: Audio: mp1 ([1][0][0][0] / 0x0001), 22050 Hz, mono, s16p,
1536 kb/s
}}}
Expected result would be:
{{{
Input #0, wav, from 'wav-pcm-misdetected-as-mp3.wav':
Metadata:
encoder : Lavf62.0.102
timecode : 00:00:00:00
Duration: 00:00:00.51, bitrate: 1537 kb/s
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2
channels, s16, 1536 kb/s
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11581>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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