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Bias towards large partition block - #5340

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urvangjoshi merged 1 commit into
AOMediaCodec:av2-encfrom
yunqingwang1:lc-dec
Aug 28, 2026
Merged

Bias towards large partition block#5340
urvangjoshi merged 1 commit into
AOMediaCodec:av2-encfrom
yunqingwang1:lc-dec

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Bias towards large partition block is enabled for high QP area in low complexity decode (LC) mode.

Only enabled for >=2160p now, CTC performance (65 frames, speed 1): baseline commit: 5d628d8

Test_Set  PSNR-YUV   SSIM    VMAF    ENC_TIME  DEC_TIME
  A1        0.04%   -0.24%  -0.02%    97%        96%

STATS_CHANGED only for LC mode

Comment thread av2/encoder/partition_search.c Outdated
Comment thread av2/encoder/partition_search.c Outdated
Bias towards large partition block is enabled for high QP area in
low complexity decode (LC) mode.

Only enabled for >=2160p now, CTC performance (65 frames, speed 1):
baseline commit: 5d628d8

Test_Set  PSNR-YUV   SSIM    VMAF    ENC_TIME  DEC_TIME
  A1        0.04%   -0.24%  -0.02%    97%        96%

STATS_CHANGED only for LC mode
@urvangjoshi
urvangjoshi merged commit 7fe237b into AOMediaCodec:av2-enc Aug 28, 2026
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4 participants