[FFmpeg-user] trouble converting from .aif on Ubuntu 10.04 server
lapostal
lapostal at marue.at
Sun Oct 28 10:51:11 CET 2012
While setting up a server for music producers to share sound snippets, i
encounter some trouble converting from a 24 bit .aif. I tested this with
multiple files, and the problem stays the same. The command i tried was
this:
/ffmpeg -i testfile.aif testfile.wav/
And this is the output that is caused by that:
/FFmpeg version SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.1, Copyright (c) 2000-2009
Fabrice Bellard, et al.
configuration: --extra-version=4:0.5.9-0ubuntu0.10.04.1 --prefix=/usr
--enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
--enable-libgsm --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib
--disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl
--enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394
--enable-shared --disable-static
libavutil 49.15. 0 / 49.15. 0
libavcodec 52.20. 1 / 52.20. 1
libavformat 52.31. 0 / 52.31. 0
libavdevice 52. 1. 0 / 52. 1. 0
libavfilter 0. 4. 0 / 0. 4. 0
libswscale 0. 7. 1 / 0. 7. 1
libpostproc 51. 2. 0 / 51. 2. 0
built on Jun 12 2012 16:27:59, gcc: 4.4.3
Input #0, aiff, from 'testfile.aif':
Duration: 00:00:04.00, start: 0.000000, bitrate: 2117 kb/s
Stream #0.0: Audio: pcm_s24be, 44100 Hz, stereo, s16, 2116 kb/s
Output #0, wav, to 'testfile.wav':
Stream #0.0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
[pcm_s24be @ 0x1c67b7a0]invalid PCM packet
Error while decoding stream #0.0
size= 687kB time=3.99 bitrate=1411.3kbits/s
video:0kB audio:687kB global headers:0kB muxing overhead 0.006252%/
Strange thing is that the error doesn't stop ffmpeg from correctly
converting the file. I have another version of ffmpeg on my macbook
(SnowLeopard), the conversion works fine there. Version on my MB is:
/FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
built on Mar 29 2012 17:37:28 with gcc 4.2.1 (Apple Inc. build 5664)/
I would have two questions now regarding this topic:
1) is this a known issue of older versions of ffmpeg?
2) is there a reliable source for newer versions of ffmpeg on Ubuntu 10.04?
--
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