Package: libwebkit2gtk-4.0-37 Version: 2.17.5-2 $ set https://www.youtube.com/watch?v=3i1r12rkqAU $ /usr/lib/i386-linux-gnu/webkit2gtk-4.0/MiniBrowser $@ User just sees a black box where the video is supposed to play.
Please instead show a message in there saying what the problem is. Don't just show an empty black box. -- System Information: Debian Release: buster/sid APT prefers experimental APT policy: (990, 'experimental'), (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 4.11.0-2-686-pae (SMP w/1 CPU core) Locale: LANG=zh_TW.UTF-8, LC_CTYPE=zh_TW.UTF-8 (charmap=UTF-8), LANGUAGE=zh_TW.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Init: systemd (via /run/systemd/system) Versions of packages libwebkit2gtk-4.0-37:i386 depends on: ii libatk1.0-0 2.24.0-1 ii libc6 2.24-14 ii libcairo2 1.14.10-1 ii libegl1-mesa [libegl1-x11] 17.1.5-1 ii libenchant1c2a 1.6.0-11+b2 ii libfontconfig1 2.12.3-0.2 ii libfreetype6 2.8-0.2 ii libgcc1 1:7.1.0-12 ii libgcrypt20 1.8.0-1 ii libgdk-pixbuf2.0-0 2.36.5-3 ii libgl1-mesa-glx [libgl1] 17.1.5-1 ii libglib2.0-0 2.53.4-3 ii libgstreamer-plugins-bad1.0-0 1.12.2-1 ii libgstreamer-plugins-base1.0-0 1.12.2-1 ii libgstreamer1.0-0 1.12.2-1 ii libgtk-3-0 3.22.17-1 ii libharfbuzz-icu0 1.4.2-1 ii libharfbuzz0b 1.4.2-1 ii libhyphen0 2.8.8-5 ii libicu57 57.1-6 ii libjavascriptcoregtk-4.0-18 2.17.5-2 ii libjpeg62-turbo 1:1.5.1-2 ii libnotify4 0.7.7-2 ii libpango-1.0-0 1.40.6-1 ii libpng16-16 1.6.31-1 ii libsecret-1-0 0.18.5-3.1 ii libsoup2.4-1 2.56.0-2 ii libsqlite3-0 3.19.3-3 ii libstdc++6 7.1.0-12 ii libwayland-client0 1.13.0-1 ii libwayland-egl1-mesa [libwayland-egl1] 17.1.5-1 ii libwayland-server0 1.13.0-1 ii libwebp6 0.6.0-3 ii libx11-6 2:1.6.4-3 ii libxcomposite1 1:0.4.4-2 ii libxdamage1 1:1.1.4-2+b3 ii libxml2 2.9.4+dfsg1-3 ii libxslt1.1 1.1.29-2.1 ii zlib1g 1:1.2.8.dfsg-5 Versions of packages libwebkit2gtk-4.0-37:i386 recommends: pn gstreamer1.0-plugins-base <none> pn gstreamer1.0-plugins-good <none> Versions of packages libwebkit2gtk-4.0-37:i386 suggests: ii libwebkit2gtk-4.0-37-gtk2 2.17.5-2 -- no debconf information