shuzo_kino https://blog.hatena.ne.jp/shuzo_kino/ Bye Bye Moore https://shuzo-kino.hateblo.jp/ 今現状のv4l2でデバイスの情報をみると、こんな感じ。 $ v4l2-ctl -L brightness 0x00980900 (int) : min=0 max=255 step=1 default=128 value=51 contrast 0x00980901 (int) : min=0 max=255 step=1 default=32 value=32 saturation 0x00980902 (int) : min=0 max=255 step=1 default=32 value=32 white_balance_temperature_auto 0x0098090c (boo… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2021%2F11%2F04%2F235325" title="fswebcamの輝度・ゲインを弄る - Bye Bye Moore" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/s/shuzo_kino/20211102/20211102161559.png Hatena Blog https://hatena.blog 2021-11-04 23:53:25 rich https://shuzo-kino.hateblo.jp/entry/2021/11/04/235325 1.0 100%