Skip to content

Instantly share code, notes, and snippets.

@borisisok

borisisok/mirabox_rec_ffmpgeg.sh

Last active April 6, 2022 19:36
Show Gist options
  • Save borisisok/1083bc3a30dca023e13f6a224a60f00a to your computer and use it in GitHub Desktop.
Save borisisok/1083bc3a30dca023e13f6a224a60f00a to your computer and use it in GitHub Desktop.
Download ZIP
Mirabox - Record via ffmpeg
Raw
mirabox_rec_ffmpgeg.sh
# The Linux version
VDEV=$(v4l2-ctl --list-devices | grep -A1 -i mirabo | grep /dev | sed 's/\s//g')
ADEV=$(grep "Capture.*Mira" /proc/asound/cards | cut -f2 -d" ")
TS=$(date +%Y%m%d_%H%M%S)
nohup ffmpeg -f alsa -ac 2 -i hw:${ADEV=},0 -f video4linux2 -i ${VDEV} -acodec ac3 -ab 128k -f matroska -movflags frag_keyframe -s 1920x1080 -vcodec libx264 -preset ultrafast -qp 16 ${TS}.mkv &
sleep 5;
vlc ${TS}.mkv
killall ffmpeg
echo ${TS}.mkv
@borisisok
Copy link
Author

borisisok commented Aug 17, 2021 •
edited
Loading

pi@raspberrypi:~/gst $ v4l2-ctl -d /dev/video0 -l

                     brightness 0x00980900 (int)    : min=0 max=255 step=1 default=128 value=167
                       contrast 0x00980901 (int)    : min=0 max=255 step=1 default=32 value=32
                     saturation 0x00980902 (int)    : min=0 max=255 step=1 default=32 value=32
 white_balance_temperature_auto 0x0098090c (bool)   : default=1 value=1
                           gain 0x00980913 (int)    : min=0 max=255 step=1 default=64 value=128
           power_line_frequency 0x00980918 (menu)   : min=0 max=2 default=2 value=2
      white_balance_temperature 0x0098091a (int)    : min=2800 max=6500 step=1 default=5500 value=3482 flags=inactive
                      sharpness 0x0098091b (int)    : min=0 max=255 step=1 default=22 value=22
         backlight_compensation 0x0098091c (int)    : min=0 max=1 step=1 default=1 value=1
                  exposure_auto 0x009a0901 (menu)   : min=0 max=3 default=3 value=3
              exposure_absolute 0x009a0902 (int)    : min=3 max=2047 step=1 default=166 value=996 flags=inactive
         exposure_auto_priority 0x009a0903 (bool)   : default=0 value=0
                   pan_absolute 0x009a0908 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                  tilt_absolute 0x009a0909 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                 focus_absolute 0x009a090a (int)    : min=0 max=255 step=5 default=60 value=0 flags=inactive
                     focus_auto 0x009a090c (bool)   : default=1 value=1
                  zoom_absolute 0x009a090d (int)    : min=1 max=5 step=1 default=1 value=3
                      led1_mode 0x0a046d05 (menu)   : min=0 max=3 default=3 value=1
                 led1_frequency 0x0a046d06 (int)    : min=0 max=255 step=1 default=0 value=0

pi@raspberrypi:~/gst $ v4l2-ctl -d /dev/video0 -L

                     brightness 0x00980900 (int)    : min=0 max=255 step=1 default=128 value=167
                       contrast 0x00980901 (int)    : min=0 max=255 step=1 default=32 value=32
                     saturation 0x00980902 (int)    : min=0 max=255 step=1 default=32 value=32
 white_balance_temperature_auto 0x0098090c (bool)   : default=1 value=1
                           gain 0x00980913 (int)    : min=0 max=255 step=1 default=64 value=128
           power_line_frequency 0x00980918 (menu)   : min=0 max=2 default=2 value=2
                                0: Disabled
                                1: 50 Hz
                                2: 60 Hz
      white_balance_temperature 0x0098091a (int)    : min=2800 max=6500 step=1 default=5500 value=3482 flags=inactive
                      sharpness 0x0098091b (int)    : min=0 max=255 step=1 default=22 value=22
         backlight_compensation 0x0098091c (int)    : min=0 max=1 step=1 default=1 value=1
                  exposure_auto 0x009a0901 (menu)   : min=0 max=3 default=3 value=3
                                1: Manual Mode
                                3: Aperture Priority Mode
              exposure_absolute 0x009a0902 (int)    : min=3 max=2047 step=1 default=166 value=996 flags=inactive
         exposure_auto_priority 0x009a0903 (bool)   : default=0 value=0
                   pan_absolute 0x009a0908 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                  tilt_absolute 0x009a0909 (int)    : min=-36000 max=36000 step=3600 default=0 value=0
                 focus_absolute 0x009a090a (int)    : min=0 max=255 step=5 default=60 value=0 flags=inactive
                     focus_auto 0x009a090c (bool)   : default=1 value=1
                  zoom_absolute 0x009a090d (int)    : min=1 max=5 step=1 default=1 value=3
                      led1_mode 0x0a046d05 (menu)   : min=0 max=3 default=3 value=1
                                0: Off
                                1: On
                                2: Blink
                                3: Auto
                 led1_frequency 0x0a046d06 (int)    : min=0 max=255 step=1 default=0 value=0

@borisisok
Copy link
Author

borisisok commented Sep 1, 2021 •
edited
Loading

try the same (mjpeg cam steaming) using vlc

https://wiki.videolan.org/Documentation:Modules/v4l2/

vlc v4l2:///dev/video0:chroma=mjpg:width=1280:height=720

https://www.lewisroberts.com/2015/05/15/raspberry-pi-mjpeg-at-30fps/
v4l2-ctl -c sharpness=30,compression_quality=100,video_bitrate_mode=1,video_bitrate=25000000

@borisisok
Copy link
Author

Find and select rec format via v4l2-ctl

root@mediapi:~# v4l2-ctl --list-formats-ext -d /dev/video0
ioctl: VIDIOC_ENUM_FMT
Type: Video Capture

    [0]: 'YUYV' (YUYV 4:2:2)
            Size: Discrete 640x360
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 320x240
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 640x480
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 960x720
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 1280x720
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
    [1]: 'MJPG' (Motion-JPEG, compressed)
            Size: Discrete 640x360
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 320x240
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 640x480
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 960x720
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)
            Size: Discrete 1280x720
                    Interval: Discrete 0.033s (30.000 fps)
                    Interval: Discrete 0.040s (25.000 fps)
                    Interval: Discrete 0.050s (20.000 fps)
                    Interval: Discrete 0.067s (15.000 fps)
                    Interval: Discrete 0.100s (10.000 fps)
                    Interval: Discrete 0.200s (5.000 fps)

root@mediapi:~# v4l2-ctl -d /dev/video0 --set-parm=15
Frame rate set to 15.000 fps

v4l2-ctl --set-fmt-video=width=640,height=480,pixelformat=JPEG --stream-mmap --stream-count=100 --stream-to=pics@30fps.jpeg

@borisisok
Copy link
Author

pi@raspicam2:~ $ v4l2-ctl -D -d /dev/video0
Driver Info:
Driver name : sonixj
Card type : USB camera
Bus info : usb-20980000.usb-1.4
Driver version : 5.10.17
Capabilities : 0x85200001
Video Capture
Read/Write
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x05200001
Video Capture
Read/Write
Streaming
Extended Pix Format

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment