On Thu, 27 Feb 2003, Jan Eisner wrote:
> Hello, [2nd attempt to send this question :-]
>
> I have tv card ManliTV with chip SAA7130, tuner M-TV002,
> v4l2 patch applied to 2.4.19 kernel and "installed"
> on original RedHat 8.0 (with 2.4.18-14 kernel).
>
If it's a 7130 chip, the closest card is the FlyVideo 2000 (card=3).
However, I doubt that it'd work as is, unless it's just a rebadged
FV2K. Does it have a HEF4052BT analog mux on the card? saa7130 cards
don't have sound routing capabilities on the IC, the FV2K relies on an
external audio mux to switch between different sound channels.
> I have tried all card=#, #=0..14 (in saa7134-0.2.6)
> with no other additional insmod param. (specifying e.g. tuner)
> and with the same result: No picture and, in some card=#
> (in particular, card=4), only noise/sound (I can tune with card=4).
>
You definitely need to specify a tuner type as an insmod parameter
(based on your description below) if you want to try the different card
types since none use your tuner by default.
> With xawtv (v.14-Feb-2003), I obtained no picture (black tv-screen),
> I can "tune" to obtain either noise or clear sound of
> TV stations which are available here in Prague.
> The tv-sound appears only when I choose "TV" as a source;
That is normal.
> xawtv starts as default in Overlay mode.
> When I choose "off" or "grabdisplay", axwtv replies with an
> "v4l2 i/o error".
> Moreover, xawtv _always_ ends with such "v4l2 i/o error" message (?).
>
> v4l-conf replies (with no error) that /dev/video0 is configured.
>
> scantv replies always "no station" in all frequencies
> even when I can hear sound in some of them.
>
> tvtime shows blue tv-screen only with the message "no signal"
>
> mplayer 0.90.rc4 shows green tv-screen, says "no audio"
> but it can tune the desired freq and switch-on the sound of
> the corresponding TVstation. It cannot switch-off the sound
> after exit.
It's better to get xawtv working first before trying other applications.
>
> I have borrowed an analogue Hi8 camera,
> connect it to the composite input of my TV card and:
>
> The ONLY picture I obtained was with card=4 and mplayer
> with input=2 (mplayer says input=2 as "TV", but shows picture from the camera)
> [and no sound (I connected it into audio-input in my TV card
> and maybe I should connect it into the line input of my sound card)]
>
I think you probably need a new card definition in saa7134-cards.c.
Copy one of the existing card definitions (start with FlyVideo 2000), and
look carefully at the .vmux and .amux entries. By changing the values
(vmux = {0,1}, amux= {TV, LINE1, LINE2}}, it is possible to figure out
which input corresponds to which. Don't define the .gpiomask and .gpio
values unless you have a HEF4052BT analog mux on the card.
> xawtv and tvtime did not showed anything with the exception
> of their black and blue tv-screens, respectively.
>
> I installed M$Win98SE and DScaler (v4.1.5 have support for Manli MTV001 card)
> and DScaler (v4.1.6 have support also for Manli MTV002 card),
> they both work perfectly (in M$Win :-(
>
That's normal.
> in order to find some info about the tuner it automatically
> chooses when one choose "Manli MTV002 card" - it is
> LG TPI 8PSB12D Pal B/G
> but in the source file (which is originaly "taken"
> from bytesex.org/saa7134 linux driver :-)
> it is written:
> TUNER_LG_B11D_PAL //should be LG TPI 8PSB12D Pal B/G
> and I have found "it (has the same parameters" as tuner=29
> also in saa7134-tuner specifications in saa7134-0.2.6.
> Hence, I add tuner=29 in /etc/modules.conf,
> BUT with the much worse result than without this tuner option
> (and with default tuner, i.e. Philips as I remember (?) ):
> I am able to tune, but I hear noise only,
> the picture-resilats are as bad as before :-(
>
You can try to find out which tuner you have by trying the 'possible' ones
(PAL-type) one by one and see which is the closest. However, if you do
this sometimes an incorrect tuner type may cause the TV capture card to
freeze and not respond even when you rmmod and insmod the new tuner type,
and you need to cold boot to reset the card.
The only way to be absolutely sure is to open up the tuner block, find out
which bandselect IC is used, and check to see if the tuner entry's TV band
switching control bits (VHF_L, VHF_H, UHF) corresponds to the programming
specs of the bandselect IC. (This needs some expertise in electronics).
> Have somebody any suggestion?
>
> Thanks
> Honza <eisner@xxxxxxxxxxx>
>
T.C.
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