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Enable large partition bias for < 4k resolution - #5421

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leolzhao merged 1 commit into
AOMediaCodec:av2-encfrom
yunqingwang1:lc-dec1
Sep 21, 2026
Merged

leolzhao merged 1 commit into
AOMediaCodec:av2-encfrom
yunqingwang1:lc-dec1

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When "--enable-low-complexity-decode=2", enable large partition bias for < 4k resolution.

RA CTC test with "--enable-low-complexity-decode=2" 65 frames / speed 1 (base: 5b13b96)

 +-----+---------+--------+-------+----------+----------+
 |Class| PSNR-YUV| SSIM-Y | VMAF-Y| Enc-time | Dec-time |
 +-----+---------+--------+-------+----------+----------+
 | A2  | 0.41    | 0.08   | 0.28  |   98     |   96     |
 | A3  | 0.22    | 0.12   |-0.01  |   99     |   96     |
 +-----+---------+--------+-------+----------+----------+

STATS_CHANGED for --enable-low-complexity-decode=2

When "--enable-low-complexity-decode=2", enable large partition
bias for < 4k resolution.

RA CTC test with "--enable-low-complexity-decode=2"
65 frames / speed 1 (base: 5b13b96)
```
 +-----+---------+--------+-------+----------+----------+
 |Class| PSNR-YUV| SSIM-Y | VMAF-Y| Enc-time | Dec-time |
 +-----+---------+--------+-------+----------+----------+
 | A2  | 0.41    | 0.08   | 0.28  |   98     |   96     |
 | A3  | 0.22    | 0.12   |-0.01  |   99     |   96     |
 +-----+---------+--------+-------+----------+----------+
```

STATS_CHANGED for --enable-low-complexity-decode=2
@leolzhao
leolzhao merged commit b18c1fa into AOMediaCodec:av2-enc Sep 21, 2026
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4 participants