Motion - Support Question 2007x 06x 25x 205635

errors with 2 webcams

Question

Hi, I'm using gentoo and since i use kernel 2.6.20, i don't succeed in using my 2 webcams with motion. My Philips webcams use pwc and works fine alone but not together. I use thread1.conf and thread2.conf like that : videodevice /dev/video0 target_dir /home/compte/cam1 Do you have some answers ?

[0] Processing thread 0 - config file motion.conf
[0] Processing config file /etc/thread1.conf
[0] Processing config file /etc/thread2.conf
[0] Webcam port number 8081 for thread 2 conflicts with thread 1
[0] Webcam feature for thread 2 is disabled.
[0] Thread 1 is from /etc/thread1.conf
[0] Thread 2 is from /etc/thread2.conf
[1] Thread started
[2] Thread started
[0] motion-httpd/3.2.8 running, accepting connections
[0] motion-httpd: waiting for data on port TCP 8080
[1] cap.driver: "pwc"
[1] cap.card: "Philips 740 webcam"
[1] cap.bus_info: "usb-0000:00:1d.0-1"
[1] cap.capabilities=0x05000001
[1] - VIDEO_CAPTURE
[1] - READWRITE
[1] - STREAMING
[1] v4l2_select_input: name = "usb", type 0x00000000, status 00000000
[1] Supported palettes:
[1] 0: PWC2 (Raw Philips Webcam)
[1] 1: YU12 (4:2:0, planar, Y-Cb-Cr)
[1] Test palette YU12 (320x240)
[1] Using palette YU12 (320x240) bytesperlines 480 sizeimage 115200 colorspace 00000000
[1] found control 0x00980900, "Brightness", range 0,128 
[1]     "Brightness", default 64, current 63
[1] found control 0x00980901, "Contrast", range 0,64 
[1]     "Contrast", default 0, current 63
[1] found control 0x00980902, "Saturation", range -100,100 
[1]     "Saturation", default 0, current 0
[1] found control 0x0098090e, "Red Gain", range 0,256 
[1]     "Red Gain", default 0, current 96
[1] found control 0x0098090f, "Blue Gain", range 0,256 
[1]     "Blue Gain", default 0, current 96
[1] found control 0x00980910, "Gamma", range 0,32 
[1]     "Gamma", default 0, current 31
[1] found control 0x00980911, "Shutter Speed (Exposure)", range 0,256 
[1]     "Shutter Speed (Exposure)", default 200, current 248
[1] found control 0x00980912, "Auto Gain Enabled", range 0,1 
[1]     "Auto Gain Enabled", default 1, current 1
[1] found control 0x00980913, "Gain Level", range 0,256 
[1]     "Gain Level", default 0, current -69
[1] found control 0x08000000, "Save User Settings", range 0,0 
[1]     "Save User Settings", default 0, current -69
[1] found control 0x08000001, "Restore User Settings", range 0,0 
[1]     "Restore User Settings", default 0, current -69
[1] mmap information:
[1] frames=2
[1] 0 length=462848
[1] 1 length=462848
[1] Using V4L2
[2] cap.driver: "pwc"
[2] cap.card: "Philips SPC 900NC webcam"
[2] cap.bus_info: "usb-0000:00:1d.0-2"
[2] cap.capabilities=0x05000001
[2] - VIDEO_CAPTURE
[2] - READWRITE
[2] - STREAMING
[2] v4l2_select_input: name = "usb", type 0x00000000, status 00000000
[2] Supported palettes:
[2] 0: PWC2 (Raw Philips Webcam)
[2] 1: YU12 (4:2:0, planar, Y-Cb-Cr)
[2] Test palette YU12 (320x240)
[2] Using palette YU12 (320x240) bytesperlines 480 sizeimage 115200 colorspace 00000000
[2] found control 0x00980900, "Brightness", range 0,128 
[2]     "Brightness", default 64, current 63
[2] found control 0x00980901, "Contrast", range 0,64 
[2]     "Contrast", default 0, current 32
[2] found control 0x00980902, "Saturation", range -100,100 
[2]     "Saturation", default 0, current 0
[2] found control 0x0098090e, "Red Gain", range 0,256 
[2]     "Red Gain", default 0, current 96
[2] found control 0x0098090f, "Blue Gain", range 0,256 
[2]     "Blue Gain", default 0, current 96
[2] found control 0x00980910, "Gamma", range 0,32 
[2]     "Gamma", default 0, current 21
[2] found control 0x00980911, "Shutter Speed (Exposure)", range 0,256 
[2]     "Shutter Speed (Exposure)", default 200, current 248
[2] found control 0x00980912, "Auto Gain Enabled", range 0,1 
[2]     "Auto Gain Enabled", default 1, current 1
[2] found control 0x00980913, "Gain Level", range 0,256 
[2]     "Gain Level", default 0, current -28
[2] found control 0x08000000, "Save User Settings", range 0,0 
[2]     "Save User Settings", default 0, current -28
[2] found control 0x08000001, "Restore User Settings", range 0,0 
[2]     "Restore User Settings", default 0, current -28
[2] mmap information:
[2] frames=2
[2] 0 length=462848
[2] 1 length=462848
[2] Using V4L2
[1] Started stream webcam server in port 8081
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[0] httpd - Finishing: Success
[0] httpd Closing
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[1] v4l2_next: VIDIOC_DQBUF: Input/output error
[1] Video device fatal error - terminating camera thread
[1] Thread exiting
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] v4l2_next: VIDIOC_DQBUF: Input/output error
[2] Error capturing first image
[2] Thread finishing...

Environment

Motion version: 3.2.8
ffmpeg version: 0.4.9
Libraries: ffmpeg, mysql, postgresql
Server OS: Gentoo, Kernel 2.6.20

-- MickaelChoisnard - 25 Jun 2007

Are you using USB 1.0/1.1 or 2.0 ... i can't reproduce your problem with a USB 2.0 host with to pwc cameras connected , so try to plug your cameras in a USB 2.0 ... also use mbufs=3 to load pwc.

-- AngelCarpintero - 26 Jun 2007

Answer

I think it's USB1. I use Philips SPC900NC and PCVC740K ToUcam Pro In lshw, i found USB2 but nothing to connect.

        *-usb:0
             description: USB Controller
             product: 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-gentoo-r8 uhci_hcd
                physical id: 1
                bus info: usb@1
                logical name: usb1
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
              *-usb:0
                   description: Audio device
                   product: PCVC740K ToUcam Pro [pwc]
                   vendor: Philips
                   physical id: 1
                   bus info: usb@1:1
                   version: 0.03
                   serial: 01690000A5000000
                   capabilities: usb-1.10 audio-control
                   configuration: driver=snd-usb-audio maxpower=500mA speed=12.0MB/s
              *-usb:1
                   description: Audio device
                   vendor: Philips
                   physical id: 2
                   bus info: usb@1:2
                   version: 0.03
                   serial: 01690000D6400130
                   capabilities: usb-1.10 audio-control
                   configuration: driver=snd-usb-audio maxpower=500mA speed=12.0MB/s
        *-usb:1
             description: USB Controller
             product: 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2
             vendor: Intel Corporation
             physical id: 1d.1
             bus info: pci@0000:00:1d.1
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-gentoo-r8 uhci_hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
              *-usb
                   description: Human interface device
                   product: Back-UPS BR  800 FW:9.o2 .I USB FW:o2
                   vendor: American Power Conversion
                   physical id: 2
                   bus info: usb@2:2
                   version: 1.06
                   serial: NB0703002066
                   capabilities: usb-1.10
                   configuration: driver=usbhid maxpower=24mA speed=1.5MB/s
        *-usb:2
             description: USB Controller
             product: 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #3
             vendor: Intel Corporation
             physical id: 1d.2
             bus info: pci@0000:00:1d.2
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-gentoo-r8 uhci_hcd
                physical id: 1
                bus info: usb@3
                logical name: usb3
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:3
             description: USB Controller
             product: 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4
             vendor: Intel Corporation
             physical id: 1d.3
             bus info: pci@0000:00:1d.3
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-gentoo-r8 uhci_hcd
                physical id: 1
                bus info: usb@4
                logical name: usb4
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:4
             description: USB Controller
             product: 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller
             vendor: Intel Corporation
             physical id: 1d.7
             bus info: pci@0000:00:1d.7
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug ehci bus_master cap_list
             configuration: driver=ehci_hcd latency=0 module=ehci_hcd
           *-usbhost
                product: EHCI Host Controller
                vendor: Linux 2.6.20-gentoo-r8 ehci_hcd
                physical id: 1
                bus info: usb@5
                logical name: usb5
                version: 2.06
                capabilities: usb-2.00
                configuration: driver=hub maxpower=0mA slots=8 speed=480.0MB/s


Try to connect at least one of your webcam to usb 4 that is USB 2.0

-- AngelCarpintero - 26 Jun 2007
Topic revision: r4 - 26 Jun 2007, AngelCarpintero
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