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  1. Nov 27, 2016
  2. Oct 01, 2016
    • Josh de Kock's avatar
      lavc: remove libfaac wrapper · dc0f7114
      Josh de Kock authored
      
      There is really no need for two aac wrappers, we already have
      libfdk-aac which is better. Not to mention that faac doesn't
      even support HEv1, or HEv2. It's also under a license which is
      unusable for distribution, so it would only be useful to people
      who will compile their own ffmpeg, only use it themselves (which
      at that point should just use fdk-aac).
      
      Signed-off-by: default avatarJosh de Kock <josh@itanimul.li>
      dc0f7114
  3. Jun 23, 2016
  4. Feb 28, 2016
    • Timothy Gu's avatar
      LICENSE: Thorough editing · bbf7500d
      Timothy Gu authored
      The changes in "Incompatible libraries" section are strictly based on
      what our configure script says.
      bbf7500d
  5. Jan 30, 2016
    • Timothy Gu's avatar
      avcodec: Remove libaacplus · 9ba54c1b
      Timothy Gu authored
      TODO: bump minor
      
      It's inferior in quality to fdk-aac and has an arguably more problematic
      license.
      
      As early as 2012, a HydrogenAudio user reported:
      
      > It has however one huge advantage: much better quality at low bitrates than
      > faac and libaacplus.
      
      (https://hydrogenaud.io/index.php?PHPSESSID=ckiq394pdglka0kj2fin6ij8t7&topic=95989.msg804633#msg804633)
      
      I myself have made a few spectrograms for a comparison of the two
      encoders as well. The FDK output is consistently better than the
      libaacplus one, in all bitrates I tested.
      
      libaacplus license is 3GPP + LGPLv2. 3GPP copyright notice is completely
      proprietory, as follows:
      
      > No part may be reproduced except as authorized by written permission.
      >
      > The copyright and the foregoing restriction extend to reproduction in
      > all media.
      >
      > © 2008, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC).
      >
      > All rights reserved.
      
      (The latest 26410-d00 zip from 3GPP has the same notice, but the copyright
      year is changed to 2015)
      
      The copyright part of the FDK AAC license (section 2) is a copyleft
      license that permits redistribution under certain conditions (and
      therefore the LGPL + libfdk-aac combination is not prohibited by
      configure):
      
      > Redistribution and use in source and binary forms, with or without
      > modification, are permitted without payment of copyright license fees
      > provided that you satisfy the following conditions:
      >
      > You must retain the complete text of this software license in
      > redistributions of the FDK AAC Codec or your modifications thereto in
      > source code form.
      >
      > You must retain the complete text of this software license in the
      > documentation and/or other materials provided with redistributions of
      > the FDK AAC Codec or your modifications thereto in binary form.
      >
      > You must make available free of charge copies of the complete source
      > code of the FDK AAC Codec and your modifications thereto to recipients
      > of copies in binary form.
      >
      > The name of Fraunhofer may not be used to endorse or promote products
      > derived from this library without prior written permission.
      >
      > You may not charge copyright license fees for anyone to use, copy or
      > distribute the FDK AAC Codec software or your modifications thereto.
      >
      > Your modified versions of the FDK AAC Codec must carry prominent
      > notices stating that you changed the software and the date of any
      > change. For modified versions of the FDK AAC Codec, the term
      > "Fraunhofer FDK AAC Codec Library for Android" must be replaced by the
      > term "Third-Party Modified Version of the Fraunhofer FDK AAC Codec
      > Library for Android."
      9ba54c1b
  6. Sep 20, 2015
  7. Jul 14, 2015
    • James Darnley's avatar
      avfilter/vf_removegrain: add x86 and x86_64 SSE2 functions · bff72426
      James Darnley authored
      Speed of all modes increased by a factor between 7.4 and 19.8 largely depending
      on whether bytes are unpacked into words.  Modes 2, 3, and 4 have been sped-up
      by a factor of 43 (thanks quick sort!)
      
      All modes are available on x86_64 but only modes 1, 10, 11, 12, 13, 14, 19, 20,
      21, and 22 are available on x86 due to the number of SIMD registers used.
      
      With a contribution from James Almer <jamrial@gmail.com>
      bff72426
  8. May 02, 2015
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