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社区首页 >问答首页 >戴尔XPS 139380 640x480干酪中最大分辨率

戴尔XPS 139380 640x480干酪中最大分辨率
EN

Ask Ubuntu用户
提问于 2019-03-22 02:38:05
回答 1查看 657关注 0票数 4

我刚刚得到了戴尔XPS 139380窗口模型,我做的第一件事是清除HD和安装ubuntu18.04.2。我注意到在奶酪应用程序中,摄像机和视频的最大分辨率是640x480,这是我可以在首选项中选择的最高分辨率。怎样才能让它使用更高的分辨率?我假设这是驱动程序问题,但我不太确定如何解决它--这是lsusb -v显示网络摄像头的输出

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      Transfer Type            Interrupt
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      Fields per frame: 1 fields
      Field 1 first: No
      Field pattern: Field 1 only
      bCopyProtect                      0
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    bDescriptorSubtype                  7 (FRAME_MJPEG)
    bFrameIndex                         1
    bmCapabilities                   0x00
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    wWidth                           1280
    wHeight                           720
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    dwMaxVideoFrameBufferSize     1843789
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    bDescriptorType                    36
    bDescriptorSubtype                  7 (FRAME_MJPEG)
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      Still image unsupported
    wWidth                            960
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    dwMaxVideoFrameBufferSize     1037389
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    bDescriptorSubtype                  7 (FRAME_MJPEG)
    bFrameIndex                         3
    bmCapabilities                   0x00
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    wHeight                           480
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    dwMaxVideoFrameBufferSize      814669
    dwDefaultFrameInterval         333333
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    dwFrameInterval( 0)            333333
  VideoStreaming Interface Descriptor:
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Interface Descriptor:
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      Usage Type               Data
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Interface Descriptor:
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      Synch Type               Asynchronous
      Usage Type               Data
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    bInterval               1
Interface Descriptor:
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  bInterfaceNumber        1
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  bNumEndpoints           1
  bInterfaceClass        14 Video
  bInterfaceSubClass      2 Video Streaming
  bInterfaceProtocol      0 
  iInterface              0 
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    bDescriptorType         5
    bEndpointAddress     0x81  EP 1 IN
    bmAttributes            5
      Transfer Type            Isochronous
      Synch Type               Asynchronous
      Usage Type               Data
    wMaxPacketSize     0x0b20  2x 800 bytes
    bInterval               1
Interface Descriptor:
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  bDescriptorType         4
  bInterfaceNumber        1
  bAlternateSetting       5
  bNumEndpoints           1
  bInterfaceClass        14 Video
  bInterfaceSubClass      2 Video Streaming
  bInterfaceProtocol      0 
  iInterface              0 
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    bDescriptorType         5
    bEndpointAddress     0x81  EP 1 IN
    bmAttributes            5
      Transfer Type            Isochronous
      Synch Type               Asynchronous
      Usage Type               Data
    wMaxPacketSize     0x1320  3x 800 bytes
    bInterval               1
Interface Descriptor:
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  bDescriptorType         4
  bInterfaceNumber        1
  bAlternateSetting       6
  bNumEndpoints           1
  bInterfaceClass        14 Video
  bInterfaceSubClass      2 Video Streaming
  bInterfaceProtocol      0 
  iInterface              0 
  Endpoint Descriptor:
    bLength                 7
    bDescriptorType         5
    bEndpointAddress     0x81  EP 1 IN
    bmAttributes            5
      Transfer Type            Isochronous
      Synch Type               Asynchronous
      Usage Type               Data
    wMaxPacketSize     0x1400  3x 1024 bytes
    bInterval               1

另外,奇怪的是,当我跑步时,发现我的许多设备都是“未知的”。

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unknown unknown 
unknown unknown 
Linux Foundation 3.0 root hub 
Linux Foundation 2.0 root hub 
Linux Foundation 3.0 root hub 
unknown unknown 
unknown unknown 
unknown unknown 
Linux Foundation 2.0 root hub 

lsusb的产量

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Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0489:e0a2 Foxconn / Hon Hai 
Bus 001 Device 002: ID 0c45:6723 Microdia 
Bus 001 Device 004: ID 27c6:5385  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
EN

回答 1

Ask Ubuntu用户

发布于 2021-06-05 07:34:36

这与固定的一样,在3.38.0 \o之后的下一个版本中将执行1280x720。

票数 1
EN
页面原文内容由Ask Ubuntu提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://askubuntu.com/questions/1127711

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