1. 25 Oct, 2017 1 commit
  2. 24 Oct, 2017 2 commits
    • Linfeng Zhang's avatar
      Add 'const' to static tables to fix some warnings · 4afda450
      Linfeng Zhang authored
      Change-Id: I8604a1f644302f5e6249b89c96550e1d5715188f
      warning: assignment from incompatible pointer type
      4afda450
    • Dake He's avatar
      [eob first] code eob first · a47cd6c0
      Dake He authored
      This commit makes the following changes to level-map coding
      	1. Encode and decode eob position first
      	2. Context derivation for non-zero flags
      	3. Single pass in optimize-txb
      
      lowres 0.33% gain
      
      Change-Id: Ia2b6cfd70425f49ac021454d42d5950bfcfab50a
      a47cd6c0
  3. 23 Oct, 2017 1 commit
    • Linfeng Zhang's avatar
      Clean av1_read_coeffs_txb() · 72e0b3fa
      Linfeng Zhang authored
      Let read_nz_map() etc. output to uint8_t*.
      
      Temporarily introduced coeff_is_byte_flag as an argument of
      get_nz_count() and get_nz_map_ctx() to handle different types of input
      coefficients. It helps to not duplicate too many functions.
      If possible, unify types to uint8_t* later.
      
      Change-Id: Idbbe67b7ec563f8c9299daa0fa7d05e15c8295e6
      72e0b3fa
  4. 18 Oct, 2017 2 commits
    • Linfeng Zhang's avatar
      Clean get_eob_ctx() · 7f7e89f9
      Linfeng Zhang authored
      Remove the unused argument.
      
      Change-Id: I4b7936e6c12a9d0a54c9d1cc281f96ec623e5cd8
      7f7e89f9
    • Linfeng Zhang's avatar
      Update txb context calculation code · ce065ca3
      Linfeng Zhang authored
      Split coefficients into signs (0 or 1) and levels (0 to 255),
      so that they both can be fit in 1-byte.
      
      Change-Id: I0f486368b7b819a77aaddda4710e83189e53fc55
      ce065ca3
  5. 10 Oct, 2017 2 commits
    • Angie Chiang's avatar
      Add REDUCE_CONTEXT_DEPENDENCY flag · 4408aad9
      Angie Chiang authored
      This is flag will allow us to calculate the context indexes of
      any two consecutive non-zero binaries in parallel
      
      Moreover, we can set MIN_SCAN_IDX_REDUCE_CONTEXT_DEPENDENCY to X,
      which let first X coefficients be immune from the context
      dependency reduction act
      
      Change-Id: I75b71452996161ba06ec449021c7dea8e3899800
      4408aad9
    • Angie Chiang's avatar
      Pass scan_idx and scan into get_nz_map_ctx · f9711f88
      Angie Chiang authored
      This aims at facilitate the experiment about reduce context
      dependency
      
      Change-Id: I3d026bda1118cf613001efa32deed62997d5e3bb
      f9711f88
  6. 28 Sep, 2017 1 commit
  7. 24 Sep, 2017 1 commit
  8. 10 Sep, 2017 1 commit
    • Jingning Han's avatar
      Rework base range entropy coding in level map system · 87b01b5a
      Jingning Han authored
      Replace the truncated geometric distribution model with the grouped
      leaves structure for more efficient probability modeling.
      Each group has its own Geometric distribution
      
      This give us 0.2% gain on lowres
      
      Change-Id: If5c73dd429bd5183a8aa81042f8f56937b1d8a6a
      87b01b5a
  9. 31 Aug, 2017 2 commits
    • Yaowu Xu's avatar
      avoid operation on invalid ref_row · fc377967
      Yaowu Xu authored
      BUG=aomedia:718
      
      Change-Id: Ib3fc5e83dd915d6869ee2d7e0bf40427111c6499
      fc377967
    • Angie Chiang's avatar
      Use 7 neighbors for nz_map ctx · 2b38deff
      Angie Chiang authored
      This will let coding performance drop slightly
      lowres 0.093%
      
      Increase encoder speed by 24%
      
      Reduce nz_map's context size by 20%
      
      Change-Id: I871c18a7e0341e066afc334556b9998194b3f8c9
      2b38deff
  10. 23 Aug, 2017 4 commits
  11. 22 Aug, 2017 1 commit
  12. 21 Aug, 2017 1 commit
  13. 20 Aug, 2017 1 commit
    • Angie Chiang's avatar
      Add get_br_count_mag() · ea8183b0
      Angie Chiang authored
      This will speed up lv_map encoder time by 1.5%
      
      Change-Id: Ia9f7634bae221d2fb8fb7dc6f3202c6bacdd5b32
      ea8183b0
  14. 17 Aug, 2017 1 commit
    • Angie Chiang's avatar
      Add get_base_count_mag() · 9cde59f0
      Angie Chiang authored
      Compute base level's count/mag together.
      This will speed up lv_map exp by 5%
      
      Change-Id: I479098ed2637fc05d454fb0a7dc9f09aa20401f3
      9cde59f0
  15. 16 Aug, 2017 4 commits
  16. 17 Jul, 2017 1 commit
  17. 14 Jun, 2017 4 commits
  18. 01 Jun, 2017 2 commits
  19. 10 May, 2017 3 commits
  20. 27 Mar, 2017 1 commit
    • Angie Chiang's avatar
      Compute lv_map's coeff cost in av1_cost_coeffs() · 47e4b369
      Angie Chiang authored
      1) move the original implementation in av1_cost_coeffs() to
      cost_coeffs() and let av1_cost_coeffs become a switch for
      choosing original coeff cost or lv_map's coeff cost
      
      2) change get_txb_ctx's naming. Use plane_bsize instead of
      bsize to make the intention clear.
      
      3) remove txb context computing in get_txb_ctx
      Change-Id: I17e3d39d796e051d1c90f0a0c5d7d0888b9ca292
      47e4b369
  21. 22 Mar, 2017 3 commits
  22. 20 Mar, 2017 1 commit
    • Angie Chiang's avatar
      Fix get_txb_ctx · 4af07d92
      Angie Chiang authored
      get_txb_ctx is designed under the condition that ctx is uint8_t
      Hence, we cast ctx to uint8_t before further operations
      
      Change-Id: If8423d6e5edd346034cb9631726e930c47bc682b
      4af07d92