convert images to webp via docker.
DockerHub
REPOSITORY TAG IMAGE ID CREATED SIZE
takecy/webp latest fe4411129bb6 6 minutes ago 14.3MB
A new image format for the Web
ex)
.rw-r--r-- 31k takecy 15 11 2016 sample_1.jpg
.rw-r--r-- 4.6k takecy 9 1 19:56 sample_1.webp
.rw-r--r-- 218k takecy 15 11 2016 sample_2.png
.rw-r--r-- 45k takecy 9 1 19:57 sample_2.webp
$ make run
$ docker exec d_webp cwebp -o webp/sample_1.webp sample_1.jpg
Saving file 'webp/sample_1.webp'
File: sample_1.jpg
Dimension: 420 x 315
Output: 4562 bytes Y-U-V-All-PSNR 43.83 44.53 45.35 44.16 dB
(0.28 bpp)
block count: intra4: 136 (25.19%)
intra16: 404 (74.81%)
skipped: 93 (17.22%)
bytes used: header: 99 (2.2%)
mode-partition: 752 (16.5%)
Residuals bytes |segment 1|segment 2|segment 3|segment 4| total
macroblocks: | 3%| 7%| 4%| 85%| 540
quantizer: | 36 | 36 | 33 | 24 |
filter level: | 11 | 9 | 6 | 16 |
$ ls test/webp/
sample_1.webp
$ make stop