Re: [Audacity-quality] Stereo AIF files import as silence when using FFmpeg importer
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From: Gale A. <ga...@au...> - 2012-06-26 19:14:11
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| From Bill Wharrie <bi...@go...> | Tue, 26 Jun 2012 12:34:50 -0400 | Subject: [Audacity-quality] Stereo AIF files import as silence when using FFmpeg importer > I came across this while testing OD-import using FFmpeg (which seems to work fine). > > I don't think this is a release blocker for 2.0.1. Possibly P3 (if it is not already in Bugzilla - I couldn't find it) > as there is a simple workaround - don't use FFmpeg to import stereo AIF files. Not in bugzilla - not known of before now. > Cross-posting to -devel as it is up to RM to decide the severity of this bug. Does 2.0.0 release exhibit the behaviour you note with silenced import? If not, it would tend to increase the severity towards release blocker: "Never less good overall than the standard set by 2.0.0 - only trivial regressions are likely to be tolerated in a release." > Audacity 2.0.1. Mac OSX 10.7.2. Clean install (no audacity.cfg file, no 1.2.x prefs existing on the system). FFmpeg files in standard location and found on startup. > > Start Audacity. > File > Import > Audio; choose "FFmpeg-compatible files" then choose a WAV or AIF file > - the file imports with libsndfile complete with the "uncompressed file warning" dialog. Testing on Win 7 x64. 2.0.0 and 1.3.14 do that too with stereo WAV or AIFF, from no or initialised .cfg with no 1.2 settings present, so at least that part is not a regression on 2.0.0. Looks like a separate P3, on its own? > Delete track I assume you mean using [X] on Track Control Panel, which I did. > Preferences > OK > - note that audacity.cfg is created at this point. Agreed. > File > Import > Audio; choose "FFmpeg-compatible files" then choose a stereo AIF file > - the file imports as silence Stereo AIFF and WAV imports properly with libav here. Gale > Log says: > 11:45:00: File name is /path/to/file.aiff > 11:45:00: Mime type is * > 11:45:00: Opening with libav > 11:45:00: Open(/path/to/file.aiff) succeeded > Delete track > File > Import > Audio; choose "FFmpeg-compatible files" then choose a MONO AIF file > - file imports successfully > Delete Track > File > Import > Audio; choose "FFmpeg-compatible files" then choose a stereo WAV file > - file imports successfully > Delete track > Preferences > Libraries; check "Allow background on-demand loading"; OK > File > Import > Audio; choose "FFmpeg-compatible files" then choose a stereo AIF file > - the file imports as noise > Delete track > File > Import > Audio; choose "FFmpeg-compatible files" then choose a MONO AIF file > - file imports successfully |