Project

General

Profile

Forums » General »

Signal/Video Problem ?

Added by Jan asd about 9 years ago

Hi,
i managed to get kodi/tvheadend working. there is still one problem that i can not solve.
no matter what channel i want to view, all have very poor quality and are stuttering. i checked cables and devices. all seems fine. my dvb-c receiver at the tv does not have these problems (same cable etc).
here my specs, measured at different points in the house all same.
hardeware: i know it is old, but i wanted to test things before buying new stuff
[ 14.066831] saa7146: found saa7146 mem f8432c00 (revision 1, irq 21) (0x13c2,0x000a)
[ 14.611195] DVB: registering new adapter (Technotrend/Hauppauge WinTV Nexus-CA rev1.X)
[ 14.645102] adapter has MAC addr = 00:d0:5c:01:d6:6d
[ 15.038516] dvb-ttpci: gpioirq unknown type=0 len=0
[ 15.064186] dvb-ttpci: info card 0: firm f0240009, rtsl b0250018, vid 71010068, app 80002622
[ 15.064192] dvb-ttpci: firmware card 0 supports CI link layer interface
[ 15.240288] dvb_ttpci: DVB-C analog module card 0 detected, initializing MSP3415
[ 15.346533] dvb_ttpci: saa7113 not accessible
[ 15.404885] saa7146_vv: saa7146 (0): registered device video0 [v4l2]
[ 15.600751] av7110 0000:02:09.0: DVB: registering adapter 0 frontend 0 (ST STV0297 DVB-C)...
[ 15.601310] input: DVB on-card IR receiver as /devices/pci0000:00/0000:00:1e.0/0000:02:09.0/input/input8
[ 15.601576] dvb-ttpci: found av7110-0.

signal:
jan@tvtest:~$ sudo czap -H -r -c channels.conf "ProSieben HD"
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
reading channels from file 'channels.conf'
325 ProSieben HD:130000000:INVERSION_AUTO:6900000:FEC_NONE:QAM_256:6841:6842:50015
325 ProSieben HD: f 130000000, s 6900000, i 2, fec 0, qam 5, v 0x1ab9, a 0x1aba, s 0xc35f
Version: 5.10 FE_CAN { DVB-C (A) }
status 1f | signal 85% | snr 9% | ber 0 | unc 0 | FE_HAS_LOCK
status 1f | signal 85% | snr 8% | ber 317 | unc 37 | FE_HAS_LOCK
status 1f | signal 85% | snr 9% | ber 281 | unc 25 | FE_HAS_LOCK
status 1f | signal 84% | snr 10% | ber 258 | unc 34 | FE_HAS_LOCK
status 1f | signal 84% | snr 10% | ber 300 | unc 33 | FE_HAS_LOCK
status 1f | signal 85% | snr 9% | ber 338 | unc 37 | FE_HAS_LOCK
status 1f | signal 85% | snr 10% | ber 359 | unc 29 | FE_HAS_LOCK
status 1f | signal 84% | snr 9% | ber 398 | unc 75 | FE_HAS_LOCK

and here are some errors i logged. dont have to be involved in my poor video quality problem:
[ 6484.260031] dvb-ttpci: StartHWFilter error buf 0b07 0010 0130 b96a ret 0 handle ffff
[ 6484.268046] dvb-ttpci: StartHWFilter error buf 0b07 0010 0131 b96a ret 0 handle ffff
[ 6484.276043] dvb-ttpci: StartHWFilter error buf 0b07 0010 0132 b96a ret 0 handle ffff
[ 6484.284045] dvb-ttpci: StartHWFilter error buf 0b07 0010 0133 b96a ret 0 handle ffff

i'm wondering why my dvb-c receiver does work (most of the time) and my tv-card does not work for 5 seconds.
Ideas ?
does a newer dvb-c card help ?

thank you


Replies (2)

RE: Signal/Video Problem ? - Added by Mihail sovaby about 9 years ago

Perhaps the problem needs to be found in the resources of the motherboard.
free IRQ for DVB-c?

RE: Signal/Video Problem ? - Added by Jan asd about 9 years ago

I checked the IRQ stuff. As far as i can see no double irqs...
lshw:
multimedia
Beschreibung: Multimedia controller
Produkt: SAA7146
Hersteller: Philips Semiconductors
Physische ID: 9
Bus-Informationen: pci@0000:02:09.0
Version: 01
Breite: 32 bits
Takt: 33MHz
Fähigkeiten: bus_master
Konfiguration: driver=av7110 latency=64 maxlatency=38 mingnt=15
Ressourcen: irq:21 memory:fbffbc00-fbffbdff

lsdev:
jan@tvtest:~$ lsdev
Device DMA IRQ I/O Ports
------------------------------------------------
(0) 21
0000:00:1d.0 b800-b81f
0000:00:1d.1 c000-c01f
0000:00:1d.2 c400-c41f
0000:00:1d.3 c800-c81f
0000:00:1f.0 0480-04bf
0000:00:1f.1 0170-0177 01f0-01f7 0376-0376 03f6-03f6 fc00-fc0f
0000:00:1f.2 9400-940f 9800-9803 a000-a007 a400-a403 a800-a807
0000:00:1f.3 0400-041f
0000:00:1f.5 b000-b03f b400-b4ff
0000:01:00.0 d000-d0ff
0000:02:05.0 e800-e8ff
ACPI 0800-0803 0804-0805 0808-080b 0810-0815 0828-082f
acpi 9
ata_piix 14 15 0170-0177 01f0-01f7 0376-0376 03f6-03f6 9400-940f 9800-9803 a000-a007 a400-a403 a800-a807 fc00-fc0f
cascade 4
dma 0080-008f
dma1 0000-001f
dma2 00c0-00df
ehci_hcd:usb1 23
enp2s5 22
fpu 00f0-00ff
i8042 1 12
Intel b000-b03f b400-b4ff
iTCO_wdt.0.auto 0830-0833 0860-087f
keyboard 0060-0060 0064-0064
PCI 0000-0cf7 0cf8-0cff 0d00-ffff d000-dfff e000-efff
pic1 0020-0021
pic2 00a0-00a1
pnp 0290-0297 0400-041f 0480-04bf 04d0-04d1
PNP0800:00 0061-0061
PNP0C04:00 00f0-00ff
radeon 16
rtc0 8 0070-0071
skge e800-e8ff
snd_intel8x0 17
timer 0
timer0 0040-0043
timer1 0050-0053
uhci_hcd b800-b81f c000-c01f c400-c41f c800-c81f
uhci_hcd:usb3 19
uhci_hcd:usb4 18
vesafb 03c0-03df

lspci:
00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub Interface (rev 02)
00:01.0 PCI bridge: Intel Corporation 82865G/PE/P AGP Bridge (rev 02)
00:06.0 System peripheral: Intel Corporation 82865G/PE/P Processor to I/O Memory Interface (rev 02)
00:1d.0 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] R300 [Radeon 9500 PRO/9700]
01:00.1 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] R300 [Radeon 9500 PRO] (Secondary)
02:05.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller (rev 13)
02:09.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)

    (1-2/2)