Saya telah mengatur Logitech c920. Dengan bantuan dari pengguna Ask Ubuntu yang berpengalaman, saya menginstal GUVCview, panel kontrol linux Video4, dan penguji utilitas QT V4L2 di sini. Saya dapat mengubah dari webcam bawaan Toshiba ke webcam eksternal menggunakan GUVCview.
Namun, ketika saya memulai obrolan video di Google Hangouts, kamera laptop bawaan saya secara otomatis akan dipilih sebagai default. Saya ingin mengubah pengaturan default saya untuk selalu menggunakan kamera eksternal, tetapi saya tidak dapat menemukan di mana opsi ini berada.
Saya menjalankan Windows 7 dan Ubuntu 12.04 LTS di Toshiba Satellite L755
- memori:3,8 Gib
- prosesor:Intel® Core™ i5-2410M CPU @ 2.30GHz × 4
- grafik:Intel® Sandybridge Mobile
- Jenis OS 64bit
- disk:40,2 GB
EDIT:Saya mencoba Gstreamer-properties di terminal dan mengubah input default di bawah video ke cam eksternal Logitech. Masih belum beruntung. Ketika saya "menguji" saya tidak mendapatkan gambar, dan masih mendapatkan kamera laptop ketika saya membuka GUVC.
EDIT ke-2:Setelah menginstal pemilih Multi media di terminal, saya masih tidak dapat menemukannya di Dash. Berikut pembacaan setelah menjalankan perintah:
Reading package lists... Done
Building dependency tree
Reading state information... Done
gconf-service is already the newest version.
gconf-service set to manually installed.
gconf2 is already the newest version.
gconf2 set to manually installed.
libatk1.0-0 is already the newest version.
libatk1.0-0 set to manually installed.
libgconf-2-4 is already the newest version.
libgconf-2-4 set to manually installed.
libgnome-media-profiles-3.0-0 is already the newest version.
libgnome-media-profiles-3.0-0 set to manually installed.
libgstreamer0.10-0 is already the newest version.
libgstreamer0.10-0 set to manually installed.
dpkg is already the newest version.
gnome-media is already the newest version.
gstreamer0.10-gconf is already the newest version.
gstreamer0.10-gconf set to manually installed.
gstreamer0.10-plugins-base is already the newest version.
gstreamer0.10-plugins-base set to manually installed.
gstreamer0.10-plugins-good is already the newest version.
gstreamer0.10-plugins-good set to manually installed.
libc6 is already the newest version.
libglib2.0-0 is already the newest version.
libgstreamer-plugins-base0.10-0 is already the newest version.
libgstreamer-plugins-base0.10-0 set to manually installed.
libgtk-3-0 is already the newest version.
libgtk-3-0 set to manually installed.
x11-utils is already the newest version.
x11-utils set to manually installed.
The following packages were automatically installed and are no longer required:
gir1.2-ubuntuoneui-3.0 linux-headers-3.2.0-54 libubuntuoneui-3.0-1
thunderbird-globalmenu linux-headers-3.2.0-54-generic
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Jika saya menjalankan Gstreamer-properties di terminal saya mendapatkan pemilih multimedia. Saya mengubah input default ke eksternal, lampu biru pada kamera eksternal menyala (ketika saya menekan "test"), tetapi tidak ada gambar.
Berikut adalah screenshot pengaturan
EDIT ke-3:
Setelah menjalankannya sebagai root dengan sudo gstreamer-properties Saya mengubah input default ke webcam HD (pengaturan yang sama seperti tangkapan layar sebelumnya) dan masih terbuka saat saya membuka GUVC sebagai kamera laptop. Inilah hasil pembacaan setelah menjalankan SUDO
(gstreamer-properties:15236): Gtk-WARNING **: Unknown property: GtkDialog.has-separator
(gstreamer-properties:15236): Gtk-WARNING **: Unknown property: GtkDialog.has-separator
gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosink'
gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink'
gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'
gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosrc'
Ketika saya mencoba menutup Terminal, dikatakan proses masih digunakan.
EDIT ke-4, hari berikutnya:
Saya mengikuti tautan di bawah ke Dumindu's
sudo apt-get install gstreamer-dbus-media-service gstreamer-tools gstreamer0.10-alsa gstreamer0.10-buzztard gstreamer0.10-buzztard-doc gstreamer0.10-crystalhd gstreamer0.10-doc gstreamer0.10-ffmpeg gstreamer0.10-ffmpeg-dbg gstreamer0.10-fluendo-mp3 gstreamer0.10-gconf gstreamer0.10-gnomevfs gstreamer0.10-gnonlin gstreamer0.10-gnonlin-dbg gstreamer0.10-gnonlin-doc gstreamer0.10-hplugins gstreamer0.10-nice gstreamer0.10-packagekit gstreamer0.10-plugins-bad gstreamer0.10-plugins-bad-doc gstreamer0.10-plugins-bad-multiverse gstreamer0.10-plugins-base gstreamer0.10-plugins-base-apps gstreamer0.10-plugins-base-dbg gstreamer0.10-plugins-base-doc gstreamer0.10-plugins-cutter gstreamer0.10-plugins-good gstreamer0.10-plugins-good-doc gstreamer0.10-plugins-ugly gstreamer0.10-plugins-ugly-doc gstreamer0.10-pocketsphinx gstreamer0.10-pulseaudio gstreamer0.10-qapt gstreamer0.10-sdl gstreamer0.10-tools gstreamer0.10-vaapi gstreamer0.10-vaapi-doc gstreamer0.10-x
dan menjalankannya melalui terminal. Setelah beberapa menit, skrip selesai dan saya tidak melihat adanya kegagalan atau kesalahan. Namun, ketika saya menjalankan sudo gstreamer-properties Saya mendapat pesan "Melewati plugin yang tidak tersedia" yang sama seperti di atas^. Input default pada pemilih sistem Multimedia diatur ke cam HD c920, namun saya baru saja membuka GUVC dan membuka kamera laptop. Berikut pembacaan setelah sudo apt get install …. TERLALU BANYAK KARAKTER, tidak dapat memposting. Ini setengahnya:
ad-multiverse_0.10.21-1_amd64.deb) ...
Selecting previously unselected package gstreamer0.10-plugins-good-doc.
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Unpacking gstreamer0.10-plugins-ugly-doc (from .../gstreamer0.10-plugins-ugly-doc_0.10.18.3-1ubuntu1_all.deb) ...
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Hanya ingin memeriksa ulang di Pusat Perangkat Lunak Ubuntu untuk memastikan Gstreamer diinstal, dan itu menunjukkan semua yang diinstal 
[email protected]:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f2:b289 Chicony Electronics Co., Ltd
Bus 002 Device 003: ID 046d:082d Logitech, Inc.
[email protected]:~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 2, Class=audio, Driver=snd-usb-audio, 480M
|__ Port 2: Dev 3, If 3, Class=audio, Driver=snd-usb-audio, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M
|__ Port 4: Dev 3, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
|__ Port 4: Dev 3, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
Nah jenis ini jatuh mati di dalam air. Saya tidak tahu apakah saya harus memposting utas lain atau apa. Saya hanya mencoba menjadikan webcam eksternal saya sebagai webcam default saya. Saya telah menginstal Gstreamer (foto) Saya telah menginstal pemilih sistem multimedia. Saya memiliki pengaturan default di pemilih sistem Multimedia untuk diatur di Webcam c920, namun ketika saya membuka obrolan video atau GUVC, itu membuka cam laptop.
Saya mendapat bantuan tentang ini, dan saya menindaklanjutinya. Tapi sepertinya saya masih tidak bisa membuatnya bekerja. Adakah yang punya ide, atau haruskah saya memposting di tempat lain? Terima kasih
Jawaban yang Diterima:
Berdasarkan jawaban dari @hopeithelps, tampaknya program mengambil /dev/video0 sebagai webcam default. Di sistem saya, /dev/video0 awalnya adalah kamera terintegrasi, sedangkan /dev/video1 muncul/menghilang secara otomatis saat webcam eksternal dipasang/dilepas.
Jadi Saya baru saja menulis perintah sederhana untuk mengatur /dev/video0 untuk menunjuk ke "kamera terbaik yang tersedia" — webcam jika ada, dan kamera terintegrasi sebaliknya. Saat ini saya harus menjalankan skrip ini secara manual setelah mencolokkan/mencabut webcam. Namun, mikrofon secara otomatis beralih ke "mikrofon terbaik" karena saya mengikuti jawaban askUbuntu ini.
Kata-kata kasar:Bukankah seharusnya Ubuntu memiliki pendekatan terpadu untuk mencolokkan tampilan, kamera, speaker, mikrofon (dan juga keyboard, mouse, MIDI, ...?). Semua hal ini tampaknya membutuhkan mengutak-atik yang terpisah. Menurut saya gnome-display-manager memiliki desain yang ideal:ia mengingat pengaturan lama saya ketika saya mencolokkan layar yang pernah saya gunakan sebelumnya.
Berikut scriptnya:
#!/bin/bash
# Make default camera /dev/video0 point to the "best" camera present.
if [ -h /dev/video0 ]; then
sudo rm /dev/video0 # not first run: remove our old symlink
elif [ -e /dev/video0 ]; then
sudo mv /dev/video0 /dev/video0.original # first run: rename original video0
fi
if [ -e /dev/video1 ]; then
sudo ln -s /dev/video1 /dev/video0 # symlink to video1 since it exists
echo "Set default camera /dev/video0 --> external camera /dev/video1"
elif [ -e /dev/video0.original ]; then # symlink to video0.original otherwise
sudo ln -s /dev/video0.original /dev/video0
echo "Set default camera /dev/video0 --> integrated camera /dev/video0.original"
else
echo "Sorry, does this machine have no camera devices?"
ls -l /dev/video*
fi
Diuji dengan guvcview dan Google Hangouts, menggunakan dua webcam Logitech yang berbeda. Saya menjalankan Ubuntu 13.10 (sebenarnya Mint Petra) di Thinkpad T530i.
Terkait:Meningkatkan dari 10,04 ke 11,04?Anda mungkin harus mengedit skrip jika webcam Anda muncul sebagai /dev/video3 atau semacamnya, seperti halnya untuk @hopeithelps. (Mungkin saya seharusnya membuatnya memilih perangkat /dev/video* yang memiliki stempel waktu terbaru ...)