[FFmpeg-trac] #4134(avcodec:open): wmalossless: fix 24bit support
FFmpeg
trac at avcodec.org
Fri Apr 29 21:48:05 CEST 2016
#4134: wmalossless: fix 24bit support
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: wmalossless | Blocked By:
bounty | Reproduced by developer: 1
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by DJX):
The following sample produces static noise at around the 2:32+ mark when
converted with FFmpeg:
Original WMA: https://www.djxmmx.net/ffmpeg/4134/05%20-%20Alive.wma
Converted WAV: https://www.djxmmx.net/ffmpeg/4134/05%20-%20Alive.wav
{{{
ffmpeg -i "Z:\Audio\Audio Library\Daft Punk\Musique Vol.1 1993-2005\05 -
Alive.wma" -acodec pcm_s24le "C:\Temp\05 - Alive.wav"
ffmpeg version N-79690-g78baa45 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.3.0 (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-libfreetype --enable-libgme
--enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmfx
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex
--enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-
libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-
libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 23.100 / 55. 23.100
libavcodec 57. 38.100 / 57. 38.100
libavformat 57. 34.103 / 57. 34.103
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 44.100 / 6. 44.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[wmalossless @ 0000000000a6c3e0] Decoding audio at 24 bit-depth
Input #0, asf, from 'Z:\Audio\Audio Library\Daft Punk\Musique Vol.1
1993-2005\05 - Alive.wma':
Metadata:
DeviceConformanceTemplate: N2
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 11042
WM/WMADRCAverageTarget: 11042
genre : Electronic
WMFSDKVersion : 11.0.5721.5251
WMFSDKNeeded : 0.0.0.0000
album : Musique Vol.1 1993-2005
track : 5
WM/Track : 4
WM/Year : 2006
IsVBR : 1
MediaFoundationVersion: 2.112
title : Alive
artist : Daft Punk
Duration: 00:05:16.25, start: 0.000000, bitrate: 2973 kb/s
Stream #0:0: Audio: wmalossless (c[1][0][0] / 0x0163), 96000 Hz,
stereo, s32p (24 bit), 1152 kb/s
[wmalossless @ 0000000000a367e0] Decoding audio at 24 bit-depth
[wav @ 0000000000a37c80] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Output #0, wav, to 'C:\Temp\05 - Alive.wav':
Metadata:
DeviceConformanceTemplate: N2
WM/WMADRCPeakReference: 32767
WM/WMADRCPeakTarget: 32767
WM/WMADRCAverageReference: 11042
WM/WMADRCAverageTarget: 11042
IGNR : Electronic
WMFSDKVersion : 11.0.5721.5251
WMFSDKNeeded : 0.0.0.0000
IPRD : Musique Vol.1 1993-2005
IPRT : 5
WM/Track : 4
WM/Year : 2006
IsVBR : 1
MediaFoundationVersion: 2.112
INAM : Alive
IART : Daft Punk
ISFT : Lavf57.34.103
Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 96000 Hz,
stereo, s32 (24 bit), 4608 kb/s
Metadata:
encoder : Lavc57.38.100 pcm_s24le
Stream mapping:
Stream #0:0 -> #0:0 (wmalossless (native) -> pcm_s24le (native))
Press [q] to stop, [?] for help
[wmalossless @ 0000000000a367e0] CDLMS of order 8 is not implemented.
Update your FFmpeg version to the newest one from Git. If the problem
still occurs, it means that your file has a feature which has not been
implemented.
[wmalossless @ 0000000000a367e0] If you want to help, upload a sample of
this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-
devel mailing list. (ffmpeg-devel at ffmpeg.org)
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 29773888, current: 29773824; changing to 29773888. This may
result in incorrect timestamps in the output file.
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 29949952, current: 29949888; changing to 29949952. This may
result in incorrect timestamps in the output file.
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 30015520, current: 30015456; changing to 30015520. This may
result in incorrect timestamps in the output file.
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 30035968, current: 30035904; changing to 30035968. This may
result in incorrect timestamps in the output file.
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 30081088, current: 30081024; changing to 30081088. This may
result in incorrect timestamps in the output file.
[wav @ 0000000000a37c80] Non-monotonous DTS in output stream 0:0;
previous: 30113824, current: 30113760; changing to 30113824. This may
result in incorrect timestamps in the output file.
size= 177892kB time=00:05:16.37 bitrate=4606.2kbits/s speed=20.4x
video:0kB audio:177892kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.000108%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4134#comment:37>
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