dvbstream seems to not work with dvb-c

Linux kernel 2.6.33-rc5 may help you.

It contains the following comment:

Magnus Horlin (1):
      V4L/DVB (13748): [Mantis/VP-2040] Add support for VP-2040 (TDA10023 frontend based)

(V4L stands for Video for Linux).

Is this error still present for you! Thank you!

hi,
while googling for gstreamer-error "Error tuning channel: Invalid argument", i found this bug here and seems that im affected too:

$ uname -a
Linux panda 3.5.0-222-omap4 #33-Ubuntu SMP PREEMPT Thu Mar 28 16:37:09 UTC 2013 armv7l armv7l armv7l GNU/Linux
$ lsusb | grep Pinnacle
Bus 001 Device 004: ID 2013:0251 Unknown (Pinnacle?)
(pctv 520e usb dvb-c adapter)
$ lsmod | grep em28xx
em28xx_rc 6610 0
rc_core 17449 3 rc_pinnacle_pctv_hd,em28xx_rc
em28xx_dvb 14539 0
dvb_core 97644 1 em28xx_dvb
em28xx 88075 2 em28xx_rc,em28xx_dvb
videobuf_vmalloc 6087 1 em28xx
videobuf_core 22058 2 em28xx,videobuf_vmalloc
tveeprom 11155 1 em28xx
$ ls /dev/video*
/dev/video0
$ ls /dev/dvb/*
demux0 dvr0 frontend0 net0

$ dvbstream -c 0 -quam 256 -f 330000000 -s 6900000 -o
dvbstream v0.7 - (C) Dave Chapman 2001-2004
Released under the GPL.
Latest version available from http://www.linuxstb.org/
Tuning to 330000000 Hz
Using DVB card "DRXK DVB-C DVB-T", freq=330000000
tuning DVB-C to 330000000, srate=-1689934592
ERROR tuning channel
: Invalid argument
dvbstream will stop after -1 seconds (71582788 minutes)
Output to stdout
Streaming 2 streams

(watching tv works fine in other players like mplayer,kaffeine,vlc)
hth

Status changed to 'Confirmed' because the bug affects multiple users.

gstreamer relevant.. same error in version 0.10 and 1.0:

$ gst-launch-0.10 dvbsrc modulation="QAM 256" symbol-rate=6900000 frequency=330000000
Setting pipeline to PAUSED ...

** (gst-launch-0.10:3166): WARNING **: Error tuning channel: Invalid argument

$ gst-launch-1.0 dvbsrc modulation="QAM 256" symbol-rate=6900000 frequency=330000000
Setting pipeline to PAUSED ...

** (gst-launch-1.0:3170): WARNING **: Error tuning channel: Invalid argument

HI, also getting this error while trying to tune to C-BAND freq with dvbstream with DVB-S card

note, vlc tunes perfectly to this same frequency on any of the cards in this machine

root@brm-4-enc3:/streaming# dvbstream -f 3658 -s 2917 -p V -L1 5150 -L2 0 -c 3 -o 4194 4195
dvbstream v0.7 - (C) Dave Chapman 2001-2004
Released under the GPL.
Latest version available from http://www.linuxstb.org/
Tuning to 3658 Hz
Using DVB card "STV090x Multistandard", freq=3658
tuning DVB-S to Freq: 4293475296, Pol:V Srate=2917000, 22kHz tone=off, LNB: 0, SLOF 11700, LOF1: 5150, LOF2: 0
Setting only tone OFF and voltage 13V
DISEQC SETTING SUCCEDED
ERROR tuning channel
: Invalid argument
dvbstream will stop after -1 seconds (71582788 minutes)
Output to stdout
Streaming 3 streams

does anyone know what could be wrong perhaps ?

sorry, forgot to add this ..

$ uname -a
Linux brm-4-enc3 3.5.0-25-generic #39~precise1-Ubuntu SMP Tue Feb 26 00:07:14 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:01.1 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:06.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b5)
00:1c.6 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 (rev b5)
00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation C204 Chipset Family LPC Controller (rev 05)
00:1f.2 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 4 port SATA IDE Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
00:1f.5 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 2 port SATA IDE Controller (rev 05)
01:00.0 Multimedia controller: Digital Devices GmbH Octopus LE DVB adapter
02:00.0 Multimedia controller: Digital Devices GmbH Octopus LE DVB adapter
05:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
06:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
07:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
08:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
09:05.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 10)

i asked the developer for help, he told me to use "qam" switch (not "quam") and frequencies in KHZ. the -a -v switches are for older dvb cards so just add the pids to the end of the command..

given this information dvbstream also works for me with dvb-c:

$ dvbstream -c 0 -qam 256 -f 330000 -s 6900 2011 2001
dvbstream v0.7 - (C) Dave Chapman 2001-2004
Released under the GPL.
Latest version available from http://www.linuxstb.org/
Tuning to 330000 Hz
Using DVB card "DRXK DVB-C DVB-T", freq=330000
tuning DVB-C to 330000000, srate=6900000
Getting frontend status
Event: Frequency: 330000000
        SymbolRate: 6900000
        FEC_inner: 9
Bit error rate: 0
Signal strength: 0
SNR: 370
UNC: 15898
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI FE_HAS_SYNC
dvbstream will stop after -1 seconds (71582788 minutes)
Using 224.0.1.2:5004:2
version=2
Streaming 3 streams

and then to watch it with mplayer:
mplayer -cache 8192 rtp://224.0.1.2:5004

many thanks to dave chapman!

Christoph thank you for this information!