WSL2 (Ubuntu)でWebpへの変換

1
2

Windows 10 Professional
WSL2 (Ubuntu 22.04 LTS)

1

sudo apt-get install webp

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  golang-1.18 golang-1.18-doc golang-1.18-go golang-1.18-src golang-doc golang-go golang-src pkg-config
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  freeglut3
The following NEW packages will be installed:
  freeglut3 webp
0 upgraded, 2 newly installed, 0 to remove and 12 not upgraded.
Need to get 160 kB of archives.
After this operation, 632 kB of additional disk space will be used.
Do you want to continue? [Y/n]

1

1.4M Aug 12 03:34 IMG_3960.jpeg

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16

$ cwebp IMG_3960.jpeg -o IMG_3960.webp

Saving file 'IMG_3960.webp'
File:      IMG_3960.jpeg
Dimension: 2048 x 1536
Output:    587950 bytes Y-U-V-All-PSNR 36.54 44.92 46.05   38.03 dB
           (1.50 bpp)
block count:  intra4:       9810  (79.83%)
              intra16:      2478  (20.17%)
              skipped:       520  (4.23%)
bytes used:  header:            392  (0.1%)
             mode-partition:  54517  (9.3%)
 Residuals bytes  |segment 1|segment 2|segment 3|segment 4|  total
    macroblocks:  |      32%|      16%|      20%|      32%|   12288
      quantizer:  |      36 |      29 |      22 |      15 |
   filter level:  |      11 |       6 |       5 |      18 |

1
2

1.4M Aug 12 03:34 IMG_3960.jpeg
575K Aug 12 03:39 IMG_3960.webp