Date: Tue, 21 Apr 2020 09:06:48 +0200 From: Marc Fonvieille <blackend@freebsd.org> To: freebsd-multimedia@freebsd.org Subject: Re: OV511 based webcam and webcamd Message-ID: <20200421070648.GA1173@emphyrio.blackend.org> In-Reply-To: <20200413130419.GA1618@emphyrio.blackend.org> References: <20200403120447.GA2599@emphyrio.blackend.org> <d343d1cc-0651-7cc8-2c3a-f6419317c4fd@selasky.org> <20200404134530.GA1250@emphyrio.blackend.org> <207e9fe4-8872-fb8d-4612-1f59a58b1d09@selasky.org> <20200406135820.GA5552@emphyrio.blackend.org> <20200407163528.GA1027@emphyrio.blackend.org> <ef648426-b59c-dddb-f544-893cb4938bef@selasky.org> <20200408143803.GA1798@emphyrio.blackend.org> <20200413130419.GA1618@emphyrio.blackend.org>
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On 13.04.2020 15:04, Marc Fonvieille wrote: > Hans, > > I have several questions: > > - The fact it's a USB 1.0 device, can it be a problem? > > - When plugged, /dev/usb/0.3.0 is created and linked to /dev/ugen0.3. > /dev/usb/0.3.1 is also created. I assume it's Endpoint 1, but I don't > have any /dev/ugen0.3.1 is it normal? > > - If I try to read data from /dev/usb/0.3.1, I get > > kernel: ugen_isoc_read_callback: actlen=0, aframes=0 > syslogd: last message repeated 1 times > kernel: ugen0.3: <vendor 0x05a9 product 0xa511> at usbus0 (disconnected) > > For that, I quickly updated old vid program > (http://ovtvid-bsd.sourceforge.net/) used on 4.11 for 12.1 (see > https://people.freebsd.org/~blackend/usb/vid.c). I get the same > behavoir as with webcamd, i.e., all configuration settings via the > control endpoint are accepted, once the program tries to get video > data it fails (the device is disconnected). > Hello, Do you have some ideas or ways to track down the problem more further? Could you check https://people.freebsd.org/~blackend/usb/vid.c and tell me if I did something wrong? -- Marc
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