[qaac] release 2.68 (refalac 1.68)

posted Nov 20, 2018, 5:37 AM by nu 774

  • MP4Source: when channel layout is not present in the ALAC magic cookie, defaulting to more appropriate channel layout.
  • libmp4v2: fixed an issue reading chunk offsets in co64 box (typically present in MP4 file bigger than 4GB).

[qaac] release 2.67 (refalac 1.67)

posted May 22, 2018, 4:22 AM by nu 774

Write non-zero avgBitrate field again, for iPod 5G compatibility:,85135.msg957234.html#msg957234

[qaac] release 2.66 (refalac 1.66)

posted Apr 10, 2018, 6:01 AM by nu 774

Implemented look-ahead on --drc. The amount of look-ahead is the same as the attack time.

[qaac] release 2.65 (refalac 1.65)

posted Feb 16, 2018, 5:04 AM by nu 774

  • Fixed a FLAC parser issue that picture tag gets lost when picture metadata comes before vorbis comments (thx to Matt Tyson).
  • Suppress console window title message when -s is specified.
  • Updated taglib.

[qaac] release 2.64 (refalac 1.64)

posted May 19, 2017, 5:28 AM by nu 774

Fixed regression of 2.63: HE-AAC frames were incorrectly multiplexed.

[qaac] release 2.63 (refalac 1.63)

posted May 12, 2017, 5:12 AM by nu 774

  • Support decoding FLAC in MP4.
  • AAC decoder: now recognizes 6.1ch/7.1ch AAC channel config constants (11 and 12) defined in 14496-3:2009/Amd 4:2013
  • Concatenating files with no title tag with --concat now creates empty chapter name (formerly file name was used).
  • --start now accept negative value. using --start and --delay at the same time is not allowed now. These two options are the same in functionality-wise, except for the reversed sign (For trimming, you use positive value for ---start, and negative value for --delay).
  • --adts and --concat doesn't allow concatenating files with varying sample format anymore.
  • External dlls are now loaded in lazy way, which means that they are not loaded until needed.
  • Increased buffering size for --play to avoid glitches on multi channel files.
  • --native-resampler now always use dedicated AudioConverter.
  • CAF: enabled 7.1ch rear AAC output.
  • AAC in CAF: when chan chunk is not present, get channel layout from kuki chunk.
  • Named pipe output is removed. I guess it has been rarely used anyway, but if you happen to want it, use .

[qaac] release 2.62

posted Jan 1, 2017, 2:14 AM by nu 774

Add support on Wavpack-DSD file (requires wavpack v5 DLL).

[qaac] release 2.61

posted Oct 2, 2016, 7:14 AM by nu 774

Fix 7.1ch PCE: was incorrectly writing object_type(2) instead of profile(1). AFAIK, this doesn't seem to actually affect decoders because decoders are only interested in channel layouts in PCE, but still it was incorrect, and should be fixed.

[qaac] release 2.60

posted Sep 21, 2016, 3:47 AM by nu 774

  • Fix: combination of --adts and --concat was generating invalid AAC file.
  • Changed 7.1ch rear channel layout in favor of Apple QuickTime.
  • Support new Wavpack v5 64bit API
  • Update: libsoxr
  • Update: taglib

qaac was using 3 front + 2 side + 2 back for 7.1ch rear output. However, it turned out that Apple QuickTime cannot handle this, and only recognizes 3 front + 4 back. OTOH, libavcodec couldn't recognize the latter until this patch Anyway it now handles both, so I decided to change 7.1ch rear layout to 3 front + 4 back, which is supported by both of them.

[qaac] release 2.59

posted May 10, 2016, 7:30 AM by nu 774

  • Fix: Was failing encoding mono AAC to AAC.
  • Support Wavpack v5 interface (with large file support)

Wavpack version 5 is still in alpha state, and DLL is not officially provided. If you want to try it, you have to build it yourself from the source code.

This version of qaac supports both of old and new Wavpack DLL (they are binary compatible). When new functions provided in version 5 library are detected, qaac will use them.

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