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Re: Kworld DVB-T 323UR problems

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On Sun, Jun 21, 2009 at 11:44 PM, Laszlo Kustan<lkustan@xxxxxxxxx> wrote:
> Hi everyone,
> I have a Kword DVB-T 323UR connected to a Linux Mint 7 Gloria (based
> on Ubuntu Jaunty), kernel 2.6.28.
> I successfully compiled em28xx, the firmware was obtained based on these steps:
> 1) Download the windows driver with something like:
> wget http://www.steventoth.net/linux/xc5000/HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip
> 2) Extract the file hcw85bda.sys from the zip into the current dir:
> unzip -j HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip Driver85/hcw85bda.sys
> 3) run the script:
> ./extract_xc3028.pl
> 4) copy the generated file:
> cp xc3028-v27.fw /lib/firmware
>
> My windows driver is called embda.sys, so I'm not sure whether the
> firmware is 100% good for my tuner or not.
> I have a couple of problems:
> 1. no analog audio, but I found out this works with workarounds
>
> I tried several tricks:
> a. sox -c 2 -r 32000 -t ossdsp /dev/dsp1 -t ossdsp /dev/dsp
> this works, but with a 4-5 second delay between audio and video
>
> b. arecord -D hw:1,0 -r 32000 -c 2 -f S16_LE | play -q -c 2 -r 32000 -t wav - &
> I get an error:
> laco@laco-desktop ~ $ arecord -D hw:1,0 -r 32000 -c 2 -f S16_LE | play
> -q -c 2 -r 32000 -t wav - &
> [1] 9084
> laco@laco-desktop ~ $ Recording WAVE 'stdin' : Signed 16 bit Little
> Endian, Rate 32000 Hz, Stereo
> Warning: rate is not accurate (requested = 32000Hz, got = 48000Hz)
>         please, try the plug plugin
> arecord: pcm_read:1529: read error: Input/output error
> play wav: Premature EOF on .wav input file
>
> c. install modified tvtime from mcentral.de
> I get an error in this case too:
> Reading configuration from /usr/etc/tvtime/tvtime.xml
> Reading configuration from /home/laco/.tvtime/tvtime.xml
> HDA NVidia : AD198x Analog hw:0,0
> Em28xx Audio : Empia 28xx Capture hw:1,0
> opening: hw:1,0
> Access type not available
>
> My arecord -l output is:
> laco@laco-desktop ~ $ arecord -l
> **** List of CAPTURE Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: AD198x Analog [AD198x Analog]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
> card 1: Em28xx Audio [Em28xx Audio], device 0: Em28xx Audio [Empia 28xx Capture]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
> 2. my remote is not recognized. Here is the em28xx part from dmesg:
> laco@laco-desktop ~ $ dmesg | grep em28xx
> [11231.562817] em28xx v4l2 driver version 0.0.1 loaded
> [11231.564913] em28xx: new video device (eb1a:e323): interface 0, class 255
> [11231.564920] em28xx: setting up device on a USB 1.1 bus
> [11231.564924] em28xx: your device won't work properly when
> [11231.564927] em28xx: not attached to a USB 2.0 highspeed bus
> [11231.564931] em28xx: more information:
> [11231.564933] em28xx: http://mcentral.de/wiki/index.php5/Talk:Em2880

please pay attention to that line... it probably will not work with usb 1.0.

Markus

> [11231.564942] em28xx #0: Alternate settings: 8
> [11231.564946] em28xx #0: Alternate setting 0, max size= 0
> [11231.564950] em28xx #0: Alternate setting 1, max size= 512
> [11231.564954] em28xx #0: Alternate setting 2, max size= 640
> [11231.564958] em28xx #0: Alternate setting 3, max size= 768
> [11231.564962] em28xx #0: Alternate setting 4, max size= 832
> [11231.564966] em28xx #0: Alternate setting 5, max size= 896
> [11231.564969] em28xx #0: Alternate setting 6, max size= 960
> [11231.564973] em28xx #0: Alternate setting 7, max size= 1020
> [11240.939178] em28xx #0: V4L2 VBI device registered as /dev/vbi0
> [11240.998075] em28xx #0: V4L2 device registered as /dev/video0
> [11240.998087] em28xx #0: Found KWorld E323
> [11240.998153] usbcore: registered new interface driver em28xx
> [11241.064491] em28xx-audio.c: probing for em28x1 non standard usbaudio
> [11241.064497] em28xx-audio.c: Copyright (C) 2006 Markus Rechberger
> [11241.922736] em28xx-audio: device is currently in analog TV mode
>
> Nothing about input devices here and neither in /proc/bus/input/devices.
>
> 3. heat problems
> I noticed that when it is connected, it gets quite hot, even if no dvb
> software is running. In Windows it does not get so hot, even when
> watching tv.
>
> Sorry for this long mail.
> The first point would be the most important to solve, if you need more
> details to help me, no problem.
> Thanks, Laszlo
>
> _______________________________________________
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> For V4L/DVB development, please use instead linux-media@xxxxxxxxxxxxxxx
> linux-dvb@xxxxxxxxxxx
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

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