ฉันตั้งค่า Logitech c920 แล้ว ด้วยความช่วยเหลือจากผู้ใช้ AskUbuntu ที่มีประสบการณ์ฉันติดตั้ง GUVCview, แผงควบคุม linux Video4 และเครื่องมือทดสอบยูทิลิตี้ QT V4L2 ที่นี่ ฉันสามารถเปลี่ยนจากเว็บแคมในตัวของโตชิบาเป็นเว็บแคมภายนอกของฉันโดยใช้ GUVCview
อย่างไรก็ตามเมื่อฉันเริ่มวิดีโอแชทใน Google แฮงเอาท์กล้องจะเลือกกล้องแล็ปท็อปในตัวเป็นค่าเริ่มต้นโดยอัตโนมัติ ฉันต้องการเปลี่ยนการตั้งค่าเริ่มต้นของฉันให้ใช้กล้องภายนอกเสมอ แต่ไม่พบตัวเลือกนี้ ฉันใช้ Windows 7 และ Ubuntu 12.04 LTS บน Toshiba Satellite L755
หน่วยความจำ: 3.8 Gib
โปรเซสเซอร์: Intel® Core ™ i5-2410M CPU @ 2.30GHz × 4
กราฟิก: Intel® Sandybridge Mobile
ระบบปฏิบัติการ 64 บิต
ดิสก์: 40.2 GB
แก้ไข: ฉันพยายามGstreamer-propertiesใน terminal และเปลี่ยนอินพุตเริ่มต้นภายใต้วิดีโอเป็นกล้อง Logitech ภายนอก ยังไม่มีโชค เมื่อฉัน "ทดสอบ" ฉันไม่เห็นภาพและยังคงมีกล้องแคมแล็ปท็อปเมื่อฉันเปิด GUVC
แก้ไขครั้งที่ 2: หลังจากติดตั้งตัวเลือกหลายสื่อในเทอร์มินัลฉันยังไม่พบมันใน Dash นี่คือการอ่านข้อมูลหลังจากเรียกใช้คำสั่ง:
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.
ถ้าฉันทำงานGstreamer-propertiesใน terminal ฉันจะได้รับตัวเลือกมัลติมีเดีย ฉันเปลี่ยนอินพุตเริ่มต้นเป็นภายนอกแสงสีฟ้าของกล้องภายนอกสว่างขึ้น (เมื่อฉันกด "ทดสอบ") แต่ไม่มีภาพ นี่คือภาพหน้าจอของ setings
แก้ไขครั้งที่ 3: หลังจากเรียกใช้เป็นรูทด้วยsudo gstreamer-propertiesฉันเปลี่ยนอินพุตเริ่มต้นเป็นเว็บแคม HD (การตั้งค่าเหมือนกับภาพหน้าจอก่อนหน้า) และหยุดเมื่อฉันเปิด GUVC มันเปิดเป็นกล้องแล็ปท็อป นี่คือสิ่งที่การอ่านข้อมูลเกิดขึ้นหลังจากรัน 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'
เมื่อฉันพยายามที่จะปิด Terminal มันบอกว่ากระบวนการยังคงใช้งานอยู่
แก้ไขที่ 4 วันถัดไป:
ฉันไปตามลิงค์ด้านล่างเพื่อดูมัมดู
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
และวิ่งผ่านเทอร์มินัล หลังจากนั้นไม่กี่นาทีสคริปต์ก็เสร็จสิ้นและฉันไม่ได้สังเกตเห็นความล้มเหลวหรือข้อผิดพลาดใด ๆ (ฉันจะใส่สำเนาด้านล่าง) อย่างไรก็ตามเมื่อฉันวิ่งsudo gstreamer-propertiesฉันได้รับข้อความ "ปลั๊กอินการข้ามไม่พร้อมใช้งาน" เหมือนข้างบน ^ อินพุตเริ่มต้นบนตัวเลือกระบบมัลติมีเดียตั้งค่าเป็น c920 HD cam แต่ฉันเพิ่งเปิด GUVC และเปิดกล้องแล็ปท็อป นี่คือการอ่านข้อมูลหลังจากsudo apt get install.... ตัวละครมากเกินไปไม่สามารถโพสต์ นี่ครึ่งหนึ่ง:
ad-multiverse_0.10.21-1_amd64.deb) ...
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เพิ่งต้องการตรวจสอบอีกครั้งในศูนย์ซอฟต์แวร์ Ubuntu เพื่อให้แน่ใจว่าติดตั้ง Gstreamer แล้วและแสดงทุกอย่างที่ติดตั้ง 
mike@Mike-Ubuntu12:~$ 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.
mike@Mike-Ubuntu12:~$ 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