1. 04 Jan, 2017 2 commits
    • 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
    • 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
  2. 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.
      -2.77   -2.62     -2.90 -4.07       -2.94     -2.63
      Change-Id: I6e526123a64af810897962d11d53028719e82e16
    • 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
    • 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
  3. 28 Dec, 2016 11 commits
  4. 27 Dec, 2016 2 commits
    • Yaowu Xu's avatar
      Remove redundant code · 415ba93b
      Yaowu Xu authored
      Change-Id: I53d1383bfe70e0508b0c91d77931a21be2b91682
    • 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
  5. 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
  6. 23 Dec, 2016 1 commit
  7. 21 Dec, 2016 6 commits
  8. 20 Dec, 2016 6 commits
  9. 19 Dec, 2016 8 commits
    • 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
    • Yaowu Xu's avatar
      Reduce number of frames used in test · f8cb5a61
      Yaowu Xu authored
      This commit reduces number of video frames used in tests to avoid
      timeouts in nightly run of "libaom__example_test-multi-target".
      Change-Id: I842339d0e2c36f39f2d84ccc7b131d8ebaf2347c
    • Nathan E. Egge's avatar
      Delete duplicate cdf updating code. · b69cb528
      Nathan E. Egge authored
      The mv cdfs are updated below in calls to av1_set_mv_cdfs().
      av1-master@2016-12-19T17:27:14Z -> av1-set-mv-cdfs@2016-12-19T17:27:54Z
        PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
      0.0000 |  0.0000 |  0.0000 |   0.0000 | 0.0000 |  0.0000 |     0.0000
      Change-Id: I6061602a4f2cc91dadf79e39d513c9678b9d2075
    • Guillaume Martres's avatar
      Fix uninitialized entropy contexts · e50d9ddb
      Guillaume Martres authored
      When enable_optimize_b is false in av1_encode_intra_block_plane the
      entropy contexts were never initialized.
      No changes on metrics for objective-1-fast when no experiment is
      Change-Id: Ic68913f6400d2becbaec3cc14214a0257530ed0b
    • Jingning Han's avatar
      Scale reference motion vector search step size · fab16037
      Jingning Han authored
      This commit allows the dynamic motion vector referencing system to
      scale its search range according to the coding block size. This
      provides higher search resolution for smaller size coding unit.
      The cb4x4 mode improves the compression performance across all the
      test sets:
               avg     low    mid    high
      lowres   2.8%    2.4%   3.1%   3.0%
      midres   1.3%    0.3%   1.8%   2.7%
      hdres    0.9%    0.5%   1.4%   1.5%
      Change-Id: I1bc501506a9f2f06071c5274391f6bd053b235a7
    • Jingning Han's avatar
      Refactor loop filter frame border condition · ed8f3964
      Jingning Han authored
      Use the proper scaling factor to decide if a block is sitting on
      the frame border. This refactor does not change the coding
      statistics of the code base. It fixes an enc/dec mismatch issue
      due to out of boundary memory access in the cb4x4 mode.
      Change-Id: Ia1e999c0f4e4ef10aac6120e69c1fb10a738dd4d
    • Jingning Han's avatar
      Fill the token cost for 2x2 transform blocks · 6a9b2400
      Jingning Han authored
      Refactor the fill_token_cost() function to automatically compute
      the token cost arry for all transform block sizes.
      Change-Id: I2f44c9c08fb169bc14282ba48bce23577b1ab184
    • Jingning Han's avatar
      Allow 2x2 transform block forward model update · 8363063d
      Jingning Han authored
      This commit allows the forward model update for 2x2 transform
      block size.
      Change-Id: Ie08c401e488b3872be0d92640468857f0aa0d0b3