1. 05 Jan, 2017 1 commit
  2. 04 Jan, 2017 8 commits
    • David Barker's avatar
      Simplify buffer management for self-guided restoration filter · 3a0df186
      David Barker authored
      * Remove some unused variables
      * Reduce need for casts by typing intermediate buffers appropriately
      * Avoid copying data which is never modified; use the original data
        instead.
      * Reduce number of intermediate buffers required, saving allocations
        of 576KiB in the decoder and ~1MiB in the encoder
      
      No effect on performance
      
      Change-Id: I55243904dd8e818fb6d43fa431903736475d23ff
      3a0df186
    • Angie Chiang's avatar
      Remove fwd_txfm_opt · 2cc057cf
      Angie Chiang authored
      This CL aims at simplify transform code.
      
      Change-Id: Ibaf1dd8607e37d44a0f77788a72e344583f81fa0
      2cc057cf
    • Sarah Parker's avatar
      Bugfixes in pick_interinter_seg_mask · 409c0bb2
      Sarah Parker authored
      Change-Id: I5ad51375287b40170882c4816d34858be50afacd
      409c0bb2
    • Jingning Han's avatar
      Enable cb4x4 mode support to ext-tx experiment · 1a00cffd
      Jingning Han authored
      This commit enables the cb4x4 mode to support ext-tx experiment. The
      coding performance gains are:
      
             ext-tx   cb4x4    ext-tx + cb4x4
      lowres  2.7%     2.6%      4.9%
      midres  2.1%     1.2%      3.0%
      
      Change-Id: I6c566b6073527262abcdbb1a0c6bcb8729988f3b
      1a00cffd
    • Jingning Han's avatar
      Clean up ext-tx experiment · aa434238
      Jingning Han authored
      Remove unnecessary #if statements from the implementation.
      
      Change-Id: I09c2f046aec2c43894f8dcfd99216fdf0a50451d
      aa434238
    • Angie Chiang's avatar
      Remove speed feature use_lp32x32fdct · 8fd2d7aa
      Angie Chiang authored
      Change-Id: I6ce654b582f2a9d45a40bf22ba597b47d418a0be
      8fd2d7aa
    • Yushin Cho's avatar
      Refactor PVQ codes for inter4x4 · 3839548c
      Yushin Cho authored
      Similarly to the refactoring of PVQ codes for 4x4 intra,
      instead of calling tx and pvq_encode_helper() in 4x4 inter,
      av1_xform_quant() is called.
      
      This commit gives no change in metrics.
      
      Change-Id: Ib69efb00ed5a5b2254478bf5db5a19d9dac12b3b
      3839548c
    • Ryan Lei's avatar
      Add an experiment to disable lpf on tile boundaries · 7386eda0
      Ryan Lei authored
      This commit adds a new experiment to allow disabling of loop filtering
      on tile boundaries. It is implemented by adding a syntax field
      "loopfilter_across_tiles_enabled" into the uncompressed frame header. 
      If it is set to 0, decoder and encoder will disables loop filtering for
      block edges that are also tile boundaries.
      
      Change-Id: Ib80bfd82d49c74f1ba46ae18ceedb30704ac8aa5
      7386eda0
  3. 03 Jan, 2017 3 commits
    • Yushin Cho's avatar
      Refactor PVQ codes for intra4x4 · 900243b9
      Yushin Cho authored
      In 4x4 intra search for RDO, AV1 codes has been changed to
      call av1_xform_quant() while ago, while PVQ did not but call
      txfm and pvq_encode_helper() instead, which caused duplicated codes
      and thus worse maintenance and testing.
      
      This refactor also has fixed the long-sitting bug,
      which we couldn't find before refactoring.
      
      PSNR    PSNR-HVS  SSIM  FAST-SSIM  CIEDE 2000 MS-SSIM
      -2.77   -2.62     -2.90 -4.07       -2.94     -2.63
      
      Change-Id: I6e526123a64af810897962d11d53028719e82e16
      900243b9
    • Debargha Mukherjee's avatar
      Add code to output counts for an encode run · 5802ebe6
      Debargha Mukherjee authored
      If --enable-entropy-stats is on, the aggregate counts for each
      frame are written out to a file named counts.stt.
      
      Change-Id: I0c73ab872183a9dbd6d767a8c6f0642c5c117253
      5802ebe6
    • David Barker's avatar
      Add new convolve variant for loop-restoration · be6cc07d
      David Barker authored
      The convolve filters generated by loop_wiener_filter_tile
      are not compatible with some existing convolve implementations
      (they can have coefficients >128, sums of (certain subsets of)
      coefficients >128, etc.)
      
      So we implement a new variant, which takes a filter with 128
      subtracted from its central element and which adds an extra copy
      of the source just before clipping to a pixel (reinstating the
      128 we subtracted). This should be easy to adapt from the existing
      convolve functions, and this patch includes SSE2 highbd and
      SSSE3 lowbd implementations.
      
      Change-Id: I0abf4c2915f0665c49d88fe450dbc77b783f69e1
      be6cc07d
  4. 28 Dec, 2016 11 commits
  5. 27 Dec, 2016 2 commits
    • Yaowu Xu's avatar
      Remove redundant code · 415ba93b
      Yaowu Xu authored
      Change-Id: I53d1383bfe70e0508b0c91d77931a21be2b91682
      415ba93b
    • Yaowu Xu's avatar
      Reduce time needed for some unit tests · 049c64c7
      Yaowu Xu authored
      DatarateTestLarge tests take a long time in some configurations, this
      commit reduces the time required for tests to finish by cutting # of
      ovideo frames used and # of rate targes.
      
      Change-Id: I1d5324b7338325be14213bd9495f567714339607
      049c64c7
  6. 24 Dec, 2016 1 commit
    • Yushin Cho's avatar
      Fix wrong place of setting dst with PVQ in intra 4x4 · b27a17f2
      Yushin Cho authored
      With PVQ, the dst buffer should be initialized as zero
      before av1_inv_txfm_add_*() is called.
      This bug seems introduced during resolving conflicts
      when nextgenv2 was merged.
      
      BD-Rate change:
                      PSNR  PSNR-HVS  SSIM  CIEDE 2000  MS SSIM
      subset1-mono    -0.25 -0.25     -0.23 -0.26       -0.23
      objective1-fast -0.17 -0.26     -0.14 -0.04       -0.18
      
      Change-Id: I7c6b793ba0aa5f1e3d419312cbbe5c207a68f1f8
      b27a17f2
  7. 23 Dec, 2016 1 commit
  8. 21 Dec, 2016 6 commits
  9. 20 Dec, 2016 6 commits
  10. 19 Dec, 2016 1 commit
    • Yaowu Xu's avatar
      Eanble warning of large stack size · f12d4b0c
      Yaowu Xu authored
      This commit adds a compiler flag to gcc to warn stack size greater
      than 300Kbytes.
      
      Change-Id: I4bd0680de435373fc46bfd8d5b80a610dbaddad8
      f12d4b0c