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Today's Topics:
1. Re: v4l2 loopdevice /dev/video0 not work. (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Thu, 4 Jul 2019 10:17:56 +0300
From: tosiara <tosi...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] v4l2 loopdevice /dev/video0 not work.
Message-ID:
<CACHTdwSL1y9BBmQM+DOtixPryTXt-DVo_16eW==2ktko4ye...@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
Could you show your config?
On Wed, Jul 3, 2019 at 1:27 AM Thomas Drebert <dreb...@web.de> wrote:
>
> Hello,
> Motion Version is "pi_stretch_motion_4.2.2-1_armhf"
> I try to use a FLIR Lepton module, this module provides device
> /dev/video0 via the v4l2loopadapter.
> This is the v4l2-ctl output:
> Driver Info (not using libv4l2):
> Driver name : v4l2 loopback
> Card type : Dummy video device (0x0000)
> Bus info : platform:v4l2loopback-000
> Driver version: 4.14.30
> Capabilities : 0x85208003
> Video Capture
> Video Output
> Video Memory-to-Memory
> Read/Write
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x85208003
> Video Capture
> Video Output
> Video Memory-to-Memory
> Read/Write
> Streaming
> Extended Pix Format
> Device Capabilities
> Priority: 0
> Video input : 0 (loopback: ok)
> Video output: 0 (loopback in)
> Format Video Output:
> Width/Height : 80/60
> Pixel Format : 'RGB3'
> Field : None
> Bytes per Line : 240
> Size Image : 14400
> Colorspace : sRGB
> Transfer Function : Default
> YCbCr/HSV Encoding: Default
> Quantization : Default
> Flags :
> Streaming Parameters Video Capture:
> Frames per second: 30.000 (30/1)
> Read buffers : 8
> Streaming Parameters Video Output:
> Frames per second: 30.000 (30/1)
> Write buffers : 8
>
> And this the Motion output:
> [0:motion] [NTC] [ALL] conf_load: Processing thread 0 - config file
> /etc/motion/motion.conf
> [0:motion] [NTC] [ALL] motion_startup: Logging to syslog
> [0:motion] [NTC] [ALL] motion_startup: Motion 4.2.2 Started
> [0:motion] [NTC] [ALL] motion_startup: Using default log type (ALL)
> [0:motion] [NTC] [ALL] motion_startup: Using log type (ALL) log level (NTC)
> [0:motion] [NTC] [STR] webu_start_strm: Starting all camera streams on port
> 8081
> [0:motion] [NTC] [STR] webu_strm_ntc: Started camera 0 stream on port 8081
> [0:motion] [NTC] [STR] webu_start_ctrl: Starting webcontrol on port 8080
> [0:motion] [NTC] [STR] webu_start_ctrl: Started webcontrol on port 8080
> [0:motion] [NTC] [ENC] ffmpeg_global_init: ffmpeg libavcodec version
> 57.64.101 libavformat version 57.56.101
> [0:motion] [NTC] [ALL] translate_init: Sprache: Deutsch
> [0:motion] [NTC] [ALL] motion_start_thread: Camera ID: 0 is from
> /etc/motion/motion.conf
> [0:motion] [NTC] [ALL] motion_start_thread: Camera ID: 0 Camera Name:
> (null) Device: /dev/video0
> [0:motion] [NTC] [ALL] main: Waiting for threads to finish, pid: 7487
> [1:ml1] [NTC] [ALL] motion_init: Camera 0 started: motion detection Enabled
> [1:ml1] [CRT] [NET] motion_init: Image height (60) requested is not modulo 8.
> [1:ml1] [CRT] [NET] motion_init: Adjusting height to next higher
> multiple of 8 (64).
> [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: - VIDEO_OUTPUT
> [1:ml1] [NTC] [VID] v4l2_device_capability: - READWRITE
> [1:ml1] [NTC] [VID] v4l2_device_capability: - STREAMING
> [1:ml1] [NTC] [VID] v4l2_input_select: Name = "loopback"- CAMERA
> [1:ml1] [NTC] [VID] v4l2_norm_select: Device does not support
> specifying PAL/NTSC norm
> [1:ml1] [NTC] [VID] v4l2_pixfmt_set: Testing palette RGB3 (80x64)
> [1:ml1] [WRN] [VID] v4l2_pixfmt_set: Adjusting resolution from 80x64 to 80x60.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Adjusted resolution not modulo 8.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Specify different palette or
> width/height in config file.
> [1:ml1] [NTC] [VID] v4l2_pixfmt_select: Configuration palette index 10
> (RGB3) for 80x64 doesn't work.
> [1:ml1] [NTC] [VID] v4l2_pixfmt_select: Supported palettes:
> [1:ml1] [NTC] [VID] v4l2_pixfmt_select: (0) RGB3 (24-bit RGB 8-8-8)
> [1:ml1] [NTC] [VID] v4l2_pixfmt_set: Testing palette RGB3 (80x64)
> [1:ml1] [WRN] [VID] v4l2_pixfmt_set: Adjusting resolution from 80x64 to 80x60.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Adjusted resolution not modulo 8.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Specify different palette or
> width/height in config file.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_select: Palette selection failed for format
> RGB3
> [1:ml1] [ERR] [VID] v4l2_pixfmt_select: Unable to find a compatible
> palette format.
> [1:ml1] [ERR] [VID] vid_start: V4L2 device failed to open
> [1:ml1] [WRN] [ALL] motion_init: Could not fetch initial image from camera
> [1:ml1] [WRN] [ALL] motion_init: Motion continues using width and
> height from config file(s)
> [1:ml1] [NTC] [ALL] image_ring_resize: Resizing pre_capture buffer to 1 items
> [1:ml1] [WRN] [ALL] init_text_scale: Invalid text scale. Adjusted to 1
> [1:ml1] [WRN] [ALL] Above message repeats 4 times
> [1:ml1] [WRN] [ALL] mlp_retry: Retrying until successful connection with
> camera
> [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: - VIDEO_OUTPUT
> [1:ml1] [NTC] [VID] v4l2_device_capability: - READWRITE
> [1:ml1] [NTC] [VID] v4l2_device_capability: - STREAMING
> [1:ml1] [NTC] [VID] v4l2_input_select: Name = "loopback"- CAMERA
> [1:ml1] [NTC] [VID] v4l2_norm_select: Device does not support
> specifying PAL/NTSC norm
> [1:ml1] [NTC] [VID] v4l2_pixfmt_set: Testing palette RGB3 (80x64)
> [1:ml1] [WRN] [VID] v4l2_pixfmt_set: Adjusting resolution from 80x64 to 80x60.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Adjusted resolution not modulo 8.
> [1:ml1] [ERR] [VID] v4l2_pixfmt_set: Specify different palette or
> width/height in config file.
> [1:ml1] [NTC] [VID] v4l2_pixfmt_select: Configuration palette index 10
> (RGB3) for 80x64 doesn't work
>
> A test with ffmpeg shows that /dev/video0 works:
>
>
> Is there a way to make it running?
>
> regards
> ThomasD
>
>
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