)]}'
{
  "commit": "993e24f8cb13f2a4e1bb5628d55af3af58f06ad5",
  "tree": "f77af2e772f8d2b5b209f1123ceb28437bc9f42d",
  "parents": [
    "e77e409efc2da75231edc736471150ebb50c9203"
  ],
  "author": {
    "name": "Wei-Ting Lin",
    "email": "weitinglin@google.com",
    "time": "Mon Aug 13 10:34:49 2018 -0700"
  },
  "committer": {
    "name": "Wei-ting Lin",
    "email": "weitinglin@google.com",
    "time": "Wed Aug 15 23:22:03 2018 +0000"
  },
  "message": "Misc. adjustment of boost and gf length\n\nThis patch mostly improve the coding performance for small\nkeyframe interval by reducing boost on the last ARF and also\ntrying to balance the lengths of last two gf groups.\n\nThe boost reduction on the last GF group is now set as constant.\nExperiments on finding the optimal boost reduction factor for\ndifferent GF lengths are working in progress.\n\nBDRATE Results (overall psnr):\n\t\t    lowres\tmidres\nkeyframe interval\n\t30\t    -0.447      -0.722\n\t40          -0.530      -0.669\n\t60\t    -0.081      -0.253\n\t------------------------------\n\t19\t    -1.294      -1.141\n\t21\t    -0.725      -0.730\n\t23          -0.784      -1.067\n\t25          -1.650\t-1.472\n\t27     \t    -0.501\t-0.765\n\t29\t    -0.397\t-0.629\n\nAWCY: -0.20 gain on PSNR\n\nSTATS_CHANGED\n\nChange-Id: I9fc4fadab547b98164d765b556ebea01fbf4fea8\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "8ee72e3f46d09f14d082996a0817acef8cc98a7d",
      "old_mode": 33188,
      "old_path": "av1/encoder/firstpass.c",
      "new_id": "225204a917d32bf3dbdad9b17cc96fbe217ec31f",
      "new_mode": 33188,
      "new_path": "av1/encoder/firstpass.c"
    },
    {
      "type": "modify",
      "old_id": "6eb6741f3ebdb400cbf5cfb7ed1108f2bbe68971",
      "old_mode": 33188,
      "old_path": "av1/encoder/ratectrl.c",
      "new_id": "8237459052a040bea5848bce385a6b77576fd849",
      "new_mode": 33188,
      "new_path": "av1/encoder/ratectrl.c"
    }
  ]
}