[FFmpeg-trac] #7692(undetermined:new): Can't decode mp4als floating-point
FFmpeg
trac at avcodec.org
Tue Jan 22 17:18:12 EET 2019
#7692: Can't decode mp4als floating-point
-------------------------------------+-------------------------------------
Reporter: Rollinnn | 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 can decode mp4als with fixed-point bitdepth in mp4 container, but
it can't decode mp4als with floating point
How to reproduce:
{{{
ffmpeg -i D:\Downloaded\SAMPLES\DTSX-
samples\6-channels\files.mp4\mpegals32.mp4 D:\Downloaded\SAMPLES\DTSX-
samples\6-channels\files.mp4\mpegals32.wav
ffmpeg version N-93001-g87c165c237 Copyright (c) 2000-2019 the FFmpeg
developers
built with gcc 8.2.1 (GCC) 20181201
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-
libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-
ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec
--enable-dxva2 --enable-avisynth --enable-libopenmpt
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 44.100 / 58. 44.100
libavformat 58. 26.100 / 58. 26.100
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\Downloaded\SAMPLES\DTSX-
samples\6-channels\files.mp4\mpegals32.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42isom
creation_time : 2019-01-22T15:02:48.000000Z
Duration: 00:00:05.89, start: 0.000000, bitrate: 1775 kb/s
Stream #0:0(und): Audio: mp4als (mp4a / 0x6134706D), 48000 Hz, stereo,
flt, 1774 kb/s (default)
Metadata:
creation_time : 2019-01-22T15:02:48.000000Z
Stream mapping:
Stream #0:0 -> #0:0 (mp4als (als) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 10 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 17 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 13 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 12 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 12 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 11 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 11 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 7 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 5 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] Invalid channel pair.
[als @ 059d37c0] MLZ dic index error.
Last message repeated 1 times
[als @ 059d37c0] quant_cof -65 is out of range.
[als @ 059d37c0] Reading frame data failed. Skipping RA unit.
Output #0, wav, to 'D:\Downloaded\SAMPLES\DTSX-
samples\6-channels\files.mp4\mpegals32.wav':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42isom
ISFT : Lavf58.26.100
Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2019-01-22T15:02:48.000000Z
encoder : Lavc58.44.100 pcm_s16le
size= 32kB time=00:00:00.17 bitrate=1539.7kbits/s speed=0.195x
video:0kB audio:32kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.238037%
}}}
Attached file was created with reference encoder mp4alsRM23.exe
(https://www.nue.tu-
berlin.de/fileadmin/fg97/Forschung/Projekte/Beendete_Projekte/MPEG4_ALS/mp4alsRM23win.zip)
and can be successfully decoded with it
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7692>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list