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  1. 23 Sep, 2018 1 commit
  3. 16 Sep, 2018 1 commit
  5. 13 Sep, 2018 2 commits
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  29. 03 Jul, 2018 1 commit
    • Rostislav Pehlivanov's avatar
      lavc: implement an ATRAC9 decoder · 755e6183
      Rostislav Pehlivanov authored 
      This commit implements a full ATRAC9 decoder, a simple low-delay codec
developed by Sony and used in most PSVita games, some PS3 games and some
PS4 games. Its similar to AAC in that it uses Huffman coded scalefactors
but instead of vector quantization it just Huffman codes the spectral
coefficients (in a way similar to how Opus splits band energy coding
into coarse and fine precision). It opts to write rather large Huffman
codes by packing several small coefficients into one Huffman coded
symbol, though I don't believe this increases efficiency at all.
Band extension implements SBC in a simple way, first it mirrors the
lower spectrum onto the higher frequencies and then it uses one of 5
filters to shape it. Noise substitution is implemented via 2 of them.
Unlike previous ATRAC codecs, there's no QMF, this is a standard MDCT
codec.

Based off of the reverse engineering work of Alex Barney.
Signed-off-by: 's avatarRostislav Pehlivanov <atomnuker@gmail.com>
      755e6183
  31. 28 Jun, 2018 1 commit
  33. 05 Jun, 2018 1 commit
  35. 02 Jun, 2018 1 commit
  37. 29 May, 2018 1 commit
  39. 21 May, 2018 1 commit
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  43. 16 May, 2018 1 commit
  45. 10 May, 2018 1 commit
  47. 04 May, 2018 1 commit
  49. 29 Apr, 2018 1 commit
  51. 26 Apr, 2018 1 commit
  53. 25 Apr, 2018 1 commit
  55. 23 Apr, 2018 2 commits
  57. 21 Apr, 2018 1 commit
  59. 13 Apr, 2018 1 commit
  61. 09 Apr, 2018 1 commit
    • wm4's avatar
      w32pthreads: always use Vista+ API, drop XP support · c7ab6aff
      wm4 authored 
      This removes the XP compatibility code, and switches entirely to SRW
locks, which are available starting at Windows Vista.

This removes CRITICAL_SECTION use, which allows us to add
PTHREAD_MUTEX_INITIALIZER, which will be useful later.

Windows XP is hereby not a supported build target anymore.
Signed-off-by: 's avatarDiego Biurrun <diego@biurrun.de>
      c7ab6aff
  63. 05 Apr, 2018 1 commit
  65. 29 Mar, 2018 2 commits
  67. 28 Mar, 2018 1 commit
  69. 22 Mar, 2018 1 commit