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Disable a speed feature to recover coding gains at sp4 - #5285

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urvangjoshi merged 1 commit into
AOMediaCodec:av2-encfrom
chengchen-google:0817/0005_s4_disable_comp_prune
Aug 18, 2026
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Disable a speed feature to recover coding gains at sp4#5285
urvangjoshi merged 1 commit into
AOMediaCodec:av2-encfrom
chengchen-google:0817/0005_s4_disable_comp_prune

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@chengchen-google

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The speed feature "prune_comp_using_best_single_mode_ref" currently performs below the bar for quality and speed tradeoff.

By disabling the feature, we recover coding gains with about 5.5% (A1), 11.5% (A2) encoding time slowdown.

Speed4 PSNR-YUV EncTime
A1 (17 frames) -1.11% 105.52%
A2 (33 frames) -0.88% 111.53%

STATS_CHANGED

Change-Id: I91afc0b8130c6e538ac11a804a17078da480065b

@jianle973 jianle973 left a comment

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The tradeoff looks good to me.

@leolzhao
leolzhao self-requested a review August 18, 2026 20:45

@urvangjoshi urvangjoshi left a comment

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Nice!

The speed feature "prune_comp_using_best_single_mode_ref" currently
performs below the bar for quality and speed tradeoff.

By disabling the feature, we recover coding gains with about
5.5% (A1), 11.5% (A2) encoding time slowdown.

Speed4          PSNR-YUV   EncTime
A1 (17 frames)   -1.11%    105.52%
A2 (33 frames)   -0.88%    111.53%

STATS_CHANGED

Change-Id: I91afc0b8130c6e538ac11a804a17078da480065b
@urvangjoshi
urvangjoshi force-pushed the 0817/0005_s4_disable_comp_prune branch from c393f76 to d4d9742 Compare August 18, 2026 23:35
@urvangjoshi
urvangjoshi merged commit 4a32ea1 into AOMediaCodec:av2-enc Aug 18, 2026
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5 participants