[MPlayer-users] My cropping question revisited.

houghi houghi at houghi.org
Thu Sep 26 16:40:46 CEST 2013

On Thu, Sep 26, 2013 at 10:07:46AM -0400, Gene Heskett wrote:
> On Thursday 26 September 2013 09:56:58 houghi did opine:
> > On Wed, Sep 25, 2013 at 05:52:52PM -0400, Gene Heskett wrote:
> > > 1, mplayer idents the camera ok, but cannot connect.
> > > 
> > > Its identified in the log as input: HD Pro Webcam C920 as
> > > /devices/pci0000:00/0000:00:1d.7/usb1/1-6/1-6:1.0/input/input10
> > > And seems to claim its a 2304 by 2xxx pixel device.
> > 
> > How do you connect and why? What I do is take out the MicroSD card and
> > just copy that and work from there. For me much easier then using the
> > camera itself. (see e.g. http://vimeo.com/75423306 what the result is)
> > 
> > So what do you do to get to the camera from mplayer? I will try to do
> > the same, see what happens and report back.
> > 
> > houghi
> The camera is usb and will normally be plugged into one of the 2 front usb 
> ports on an atom based board/box, a D525MW design straight from Ark Tech.

I own a GoPro myself, so I know it is USB. However you say that mplayer
idents the camera, but cannot connect. I fail to see how this is mplayer
related as recognision of the device should be handled by the

When I plugin my GoPro Hero3, I get in messages:
2013-09-26T16:30:24.880943+02:00 penne kernel: [844743.781448] usb 1-5: new high-speed USB device number 31 using ehci_hcd
2013-09-26T16:30:24.997847+02:00 penne kernel: [844743.898469] usb 1-5: New USB device found, idVendor=2672, idProduct=0004
2013-09-26T16:30:24.997863+02:00 penne kernel: [844743.898476] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
2013-09-26T16:30:24.997867+02:00 penne kernel: [844743.898481] usb 1-5: Product: Storage
2013-09-26T16:30:24.997869+02:00 penne kernel: [844743.898485] usb 1-5: Manufacturer: GoPro
2013-09-26T16:30:24.997872+02:00 penne kernel: [844743.898488] usb 1-5: SerialNumber: 123456789ABC
2013-09-26T16:30:24.997877+02:00 penne kernel: [844743.898971] scsi49 : usb-storage 1-5:1.0
2013-09-26T16:30:25.002095+02:00 penne mtp-probe: checking bus 1, device 31: "/sys/devices/pci0000:00/0000:00:12.2/usb1/1-5"
2013-09-26T16:30:25.004095+02:00 penne mtp-probe: bus: 1, device: 31 was not an MTP device
2013-09-26T16:30:26.001872+02:00 penne kernel: [844744.901833] scsi 49:0:0:0: Direct-Access     GoPro    Storage          1.0  PQ: 0 ANSI: 0
2013-09-26T16:30:26.002858+02:00 penne kernel: [844744.902220] sd 49:0:0:0: Attached scsi generic sg3 type 0
2013-09-26T16:30:26.005876+02:00 penne kernel: [844744.905951] sd 49:0:0:0: [sdc] 62333952 512-byte logical blocks: (31.9 GB/29.7 GiB)
2013-09-26T16:30:26.006858+02:00 penne kernel: [844744.907069] sd 49:0:0:0: [sdc] Write Protect is off
2013-09-26T16:30:26.006880+02:00 penne kernel: [844744.907078] sd 49:0:0:0: [sdc] Mode Sense: 8f 00 00 08
2013-09-26T16:30:26.007861+02:00 penne kernel: [844744.908066] sd 49:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
2013-09-26T16:30:26.018853+02:00 penne kernel: [844744.918133]  sdc: sdc1
2013-09-26T16:30:26.026880+02:00 penne kernel: [844744.927085] sd 49:0:0:0: [sdc] Attached SCSI removable disk

I can then mount the device or have it mounted or let it automount or do
whatever I desire. Once it is mounted, I can run any program, including

That is the reason for my question: what are you trying to do? Are you
just trying to get to the files? Then I would think this is not mplayer
related. Or are you trying to use it like a webcam e.g. get livestream
from it over USB instead of over wireless?

This is written under the inluence of the following:
>   Artist : Art of Noise
>     Song : A Time For Fear (Who's Afraid)
>    Album : daft

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