Re: [vdr] ERROR: video data stream broken on second dvb card , but szap works (new findings!)
Hi,
Dieter Bloms wrote:
my primary dvb card works fine on both of my Twin-LNB connectors.
I can switch the second card via szap and get a video stream via
cat /dev/dvb/adapter1/dvr0 /tmp/bla on H and V channels.
VDR doesn't get data any data from H channels, but gets data from V
channels.
I will try to strace vdr and szap to get any difference, maybe they do
it in a different way.
I've had a further look into szap's source how it detects the status
FE_LOCKED. Attached is an updated tuner patch which now also reports
details for FE_READ_STATUS.
One difference between VDR and szap regarding FE_READ_STATUS is, that
VDR only honors the read status when ioctl() returns 0 while szap prints
just an error when ioctl() returns -1.
Furthermore, VDR's handling of errno == EINTR seems to be wrong due to
the do {} while (0); loop.
BTW: I still assume, that your logfile reports a tuning timeout. If this
is no longer the case, then you may want to experiment with
WAIT_FOR_TUNER_LOCK in device.c.
Bye.
--
Dipl.-Inform. (FH) Reinhard Nissl
mailto:[EMAIL PROTECTED]
--- ../vdr-1.4.5-orig/dvbdevice.c 2006-08-14 11:38:32.0 +0200
+++ dvbdevice.c 2007-02-18 12:23:47.0 +0100
@@ -147,6 +147,15 @@ bool cDvbTuner::Locked(int TimeoutMs)
return tunerStatus = tsLocked;
}
+#include sys/time.h
+static double now() { int e = errno; timeval t; gettimeofday(t, 0); errno = e; return t.tv_sec + t.tv_usec / 1e6; }
+static int check(int c, int r, char *a, double t) { int e = errno; fprintf(stderr, t: %.3lf, c: %d, r: %d, a: %s\n, t, c, r, a); errno = e; return r; }
+static int check5(int status, int c, int r, char *a, double t) { int e = errno; fprintf(stderr, t: %.3lf, c: %d, r: %d, a: %s = Status: %02x\n, t, c, r, a, status); errno = e; return r; }
+#define CHECK5(s) ::check5(Status, cardIndex, s, #s, ::now())
+#define CHECK4(s) ::check(cardIndex, 0, s, ::now())
+#define CHECK3(s) ::check(cardIndex, s, #s, ::now())
+#define CHECK2(s) CHECK(::check(cardIndex, s, #s, ::now()))
+
bool cDvbTuner::GetFrontendStatus(fe_status_t Status, int TimeoutMs)
{
if (TimeoutMs) {
@@ -157,15 +166,16 @@ bool cDvbTuner::GetFrontendStatus(fe_sta
; // just to clear the event queue - we'll read the actual status below
}
}
- do {
- int stat = ioctl(fd_frontend, FE_READ_STATUS, Status);
- if (stat == 0)
-return true;
- if (stat 0) {
-if (errno == EINTR)
- continue;
+ while (1) {
+int stat = CHECK5(ioctl(fd_frontend, FE_READ_STATUS, Status));
+if (stat == 0)
+ return true;
+if (stat 0) {
+ if (errno == EINTR)
+ continue;
+ }
+break;
}
- } while (0);
return false;
}
@@ -195,12 +205,12 @@ bool cDvbTuner::SetFrontend(void)
for (char *CurrentAction = NULL; (da = diseqc-Execute(CurrentAction)) != cDiseqc::daNone; ) {
switch (da) {
case cDiseqc::daNone: break;
-case cDiseqc::daToneOff: CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF)); break;
-case cDiseqc::daToneOn:CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_ON)); break;
-case cDiseqc::daVoltage13: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); break;
-case cDiseqc::daVoltage18: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_18)); break;
-case cDiseqc::daMiniA: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_A)); break;
-case cDiseqc::daMiniB: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_B)); break;
+case cDiseqc::daToneOff: CHECK2(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF)); break;
+case cDiseqc::daToneOn:CHECK2(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_ON)); break;
+case cDiseqc::daVoltage13: CHECK2(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); break;
+case cDiseqc::daVoltage18: CHECK2(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_18)); break;
+case cDiseqc::daMiniA: CHECK2(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_A)); break;
+case cDiseqc::daMiniB: CHECK2(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_B)); break;
case cDiseqc::daCodes: {
int n = 0;
uchar *codes = diseqc-Codes(n);
@@ -208,7 +218,7 @@ bool cDvbTuner::SetFrontend(void)
struct dvb_diseqc_master_cmd cmd;
memcpy(cmd.msg, codes, min(n, int(sizeof(cmd.msg;
cmd.msg_len = n;
-CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_MASTER_CMD, cmd));
+CHECK2(ioctl(fd_frontend,
Re: [vdr] ERROR: video data stream broken on second dvb card , but szap works (new findings!)
Hi, On Fri, Feb 16, bastlir wrote: vdr can record from senders on V polarisation like sat1, prosieben ... even without reloading the driver. vdr can not record from any sender on H polarisation like ard, zdf ... even with reloading the driver it doesn't work. This explains, that I got some recording and some not. Does anybody know what can be the different between H and V polarisation ? Hi, supply voltage at central wire of koax cable. It seems you have or DVB card or LNB damaged. Test these parts with another receiver or/and another LNB. my primary dvb card works fine on both of my Twin-LNB connectors. I can switch the second card via szap and get a video stream via cat /dev/dvb/adapter1/dvr0 /tmp/bla on H and V channels. VDR doesn't get data any data from H channels, but gets data from V channels. I will try to strace vdr and szap to get any difference, maybe they do it in a different way. -- Gruß Dieter -- I do not get viruses because I do not use MS software. If you use Outlook then please do not put my email address in your address-book so that WHEN you get a virus it won't use my address in the From field. pgpwaWFp9hStk.pgp Description: PGP signature ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
Re: [vdr] ERROR: video data stream broken on second dvb card , but szap works (new findings!)
Hi, On Thu, Feb 15, Dieter Bloms wrote: no diseqc setup works stabel for me :( Also the Full DiSEqC sequence from default diseqc.conf doesn't work a few hours after reboot and sometime it doesn't work directly after reboot. But I can switch the channel with szap and get the TS stream from /dev/dvb/adapter1/dvr0 every time, even vdr can't record I only stop vdr and do not a reload of the driver. I did some tests with szap: o I can only get the TS stream with the default lnb type or -l UNIVERSAL o if I use another lnb type like ENHANCED, I can switch, but don't get any data. o The ioctls are the same if I use diseqc with vdr, but as I said before, I didn't get any data a few hours after reboot of the system, and sometime I didn't get any data directly after reboot. o If I use szap, I can switch the channels and get the ts stream every time (via cat /dev/dvb/adapter1/dvr0 /tmp/bla). o the first status is 01 and it has no lock all others are 1f and it has a lock (as seen below). o when I call szap the second time (with the same channel) the first status is 01 and then 1f, too. o maybe vdr does have to wait a longer time ? I can reproduce following: vdr can record from senders on V polarisation like sat1, prosieben ... even without reloading the driver. vdr can not record from any sender on H polarisation like ard, zdf ... even with reloading the driver it doesn't work. This explains, that I got some recording and some not. Does anybody know what can be the different between H and V polarisation ? -- Gruß Dieter -- I do not get viruses because I do not use MS software. If you use Outlook then please do not put my email address in your address-book so that WHEN you get a virus it won't use my address in the From field. pgpZEcm5XmBkk.pgp Description: PGP signature ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
Re: [vdr] ERROR: video data stream broken on second dvb card , but szap works (new findings!)
On Friday 16 February 2007 13:48, Dieter Bloms wrote: Hi, On Thu, Feb 15, Dieter Bloms wrote: no diseqc setup works stabel for me :( I can reproduce following: vdr can record from senders on V polarisation like sat1, prosieben ... even without reloading the driver. vdr can not record from any sender on H polarisation like ard, zdf ... even with reloading the driver it doesn't work. This explains, that I got some recording and some not. Does anybody know what can be the different between H and V polarisation ? Hi, supply voltage at central wire of koax cable. It seems you have or DVB card or LNB damaged. Test these parts with another receiver or/and another LNB. ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
