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Today's Topics:
1. V4L2 Cam Fails (johny why)
----------------------------------------------------------------------
Message: 1
Date: Thu, 10 Oct 2019 17:45:37 -0700
From: johny why <[email protected]>
To: [email protected]
Subject: [Motion-user] V4L2 Cam Fails
Message-ID:
<CA+jNr67OVnK=hpfeNCvT01SpmxzWBOUpu=dif8udrpcaj7r...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi, i have a USB web-cam. Qt V4L2 test Utility reports:
Device: /dev/video0 (wrapped)
Card: USB Camera (093a:2620)
Driver: gspca_pac7302
Bus: usb-0000:00:1d.1-1
i'm getting the following errors with a :
$ motion
...
[1:ml1] [NTC] [VID] vid_start: Opening V4L2 device
[1:ml1] [NTC] [VID] v4l2_device_open: Using videodevice /dev/video0 and
input -1
[1:ml1] [NTC] [VID] v4l2_device_capability: - VIDEO_CAPTURE
[1:ml1] [NTC] [VID] v4l2_device_capability: - READWRITE
[1:ml1] [NTC] [VID] v4l2_device_capability: - STREAMING
[1:ml1] [NTC] [VID] v4l2_input_select: Name = "gspca_pac7302"- CAMERA
[1:ml1] [NTC] [VID] v4l2_norm_select: Device does not support specifying
PAL/NTSC norm
[1:ml1] [NTC] [VID] v4l2_pixfmt_select: Configuration palette index 17
(YU12) for 640x480 doesn't work.
...
[1:ml1] [NTC] [ALL] image_ring_resize: Resizing pre_capture buffer to 1
items
[1:ml1] [ERR] [ALL] jpgutl_error_exit: Quantization table 0x00 was not
defined
[1:ml1] [CRT] [VID] vid_mjpegtoyuv420p: Corrupt image ... continue
Is there a fix?
- Thx!
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