How to stream fx3 super speed from Linux

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Anonymous
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I Tried to stream through gucview  from linux but i am not able to do it.

   

Kindly help... i Have give the logs below:

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5 Replies
Anonymous
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Hi,

   

I do not see any logs here. Please attach again.

   

Regards,

   

-Madhu Sudhan

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Anonymous
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Hi, The below are the logs from UART while trying to run guvcview.

   

[31767.112045] usb 1-7: USB disconnect, device number 33
[31776.348048] usb 1-7: new high-speed USB device number 34 using ehci-pci
[31776.483438] usb 1-7: New USB device found, idVendor=04b4, idProduct=00f8
[31776.483447] usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[31776.483451] usb 1-7: Product: FX3
[31776.483454] usb 1-7: Manufacturer: Cypress
[31776.485752] uvcvideo: Found UVC 1.00 device FX3 (04b4:00f8)
[31776.485758] uvcvideo: Forcing device quirks to 0x102 by module parameter for testing purpose.
[31776.485760] uvcvideo: Please report required quirks to the linux-uvc-devel mailing list.
[31776.486702] input: FX3 as /devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/input/input35
[31776.566061] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).
[31776.566300] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).
[31776.566548] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).
[31776.566798] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).
[31776.624069] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).
[31777.550316] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).

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Anonymous
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Did you manage to resolve this issue?

I also get the same message:

[19617.071108] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: 1 (exp. 2).

When I try to run

v4l2grab -m -q 100 -d /dev/video3 -o /tmp/grab.jpg

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Anonymous
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And while running guvcview i get the below errors i have given the logs:

   

santosh@FSETBLR1LX014:~/Desktop$ guvcview
GUVCVIEW: version 2.0.3
GUVCVIEW: couldn't open /home/santosh/.config/guvcview2/video0 for read: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
{ VIDIOC_TRY_FMT (invalid values): width = 0, height = 0 }
v4L2_CORE: Unable to enumerate frame sizes :Invalid argument
{ VIDIOC_TRY_FMT (invalid values): width = 0, height = 0 }
v4L2_CORE: Unable to enumerate frame sizes :Invalid argument
{ VIDIOC_TRY_FMT (invalid values): width = 0, height = 0 }
v4L2_CORE: Unable to enumerate frame sizes :Invalid argument
{ VIDIOC_TRY_FMT (invalid values): width = 0, height = 0 }
v4L2_CORE: Unable to enumerate frame sizes :Invalid argument
V4L2_CORE: Control 0x80000000 failed to query with error -1

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Anonymous
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buggy V4L2_CTRL_FLAG_NEXT_CTRL flag implementation (workaround enabled)
V4L2_CORE: (get control values) empty control list
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
ALSA lib setup.c:548:(add_elem) Cannot obtain info for CTL elem (MIXER,'IEC958 Playback Default',0,0,0): No such file or directory
ALSA lib setup.c:548:(add_elem) Cannot obtain info for CTL elem (MIXER,'IEC958 Playback Default',0,0,0): No such file or directory
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Input/output error
GUCVIEW: could not set the defined stream format
GUCVIEW: trying first listed stream format
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Input/output error
GUCVIEW: also could not set the first listed stream format
GUVCVIEW: Video capture failed
GUVCVIEW (1): Guvcview error
     could not start a video stream in the device

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