Object reference not set to an instance of an object

[hasso]

Well I'm rebuilding my system and I get the above message when changing channels and GBPVR is switching between tuner cards (i.e going from the A700 DVB-S to one of the analogue cards for Prime, but not vice versa). Errors appear in the logs as follows:

GBPVREXE:

007-06-07 11:00:34.796 VERBOSE [1] LiveTVStreamPlayer.OnClick()
2007-06-07 11:00:34.796 VERBOSE [1] Switching to channel: 4 (TV1)
2007-06-07 11:00:34.828 ERROR [1] Error: msg=0x202 (WM_LBUTTONUP) hwnd=0x170262 wparam=0x0 lparam=0x23e021c result=0x0 : System.NullReferenceException: Object reference not set to an instance of an object.
at NativeUtilities.BDARecorder.SubmitTuningRequest(String tuningRequest, Boolean force)
at NativeUtilities.BDARecorder.SetTuningRequest(String filename, ChannelTuning channelTuning)
at GBPVR.Backend.Common.BDARecordingSource.setPreviewToChannel(ChannelTuning channelTuning)
at GBPVR.xb3e61f7448c39547.x4276385f71addb51(Channel xee500015fb4a65b6)
at GBPVR.xb3e61f7448c39547.xe0c97a08ec6a9ac5()
at GBPVR.xb3e61f7448c39547.xb4057d727283fc14(String xc26ac8f8170127d3)
at GBPVR.xb3e61f7448c39547.OnClick(Point location)
at GBPVR.xbb1566157f5f8b1f.xf1b04f0b61b2ba29(Object xdf2e3583f942db7b, EventArgs xc4f45905cb1fc7ba)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at GBPVR.xbb1566157f5f8b1f.WndProc(Message& m)
2007-06-07 11:00:34.843 VERBOSE [1] videoInsetVisible = false
2007-06-07 11:00:34.843 VERBOSE [1] stop()
2007-06-07 11:00:34.843 VERBOSE [1] stop()@1
2007-06-07 11:00:34.843 VERBOSE [1] stop()@2
2007-06-07 11:00:34.843 VERBOSE [1] Stopping recording oid:5
2007-06-07 11:00:34.843 VERBOSE [1] stop()@3
2007-06-07 11:00:34.890 VERBOSE [1] stop() done
2007-06-07 11:00:35.109 ERROR [1] Error: msg=0x201 (WM_LBUTTONDOWN) hwnd=0x170262 wparam=0x1 lparam=0x249023e result=0x0 : System.NullReferenceException: Object reference not set to an instance of an object.
at GBPVR.xb3e61f7448c39547.x4276385f71addb51(Channel xee500015fb4a65b6)
at GBPVR.xb3e61f7448c39547.xe0c97a08ec6a9ac5()
at GBPVR.xb3e61f7448c39547.xb4057d727283fc14(String xc26ac8f8170127d3)
at GBPVR.xb3e61f7448c39547.OnClick(Point location)
at GBPVR.xbb1566157f5f8b1f.xf1b04f0b61b2ba29(Object xdf2e3583f942db7b, EventArgs xc4f45905cb1fc7ba)
at GBPVR.xbb1566157f5f8b1f.x112ca1fc3b5dfc80(Object xdf2e3583f942db7b, MouseEventArgs xc4f45905cb1fc7ba)
at System.Windows.Forms.Control.OnMouseDown(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at GBPVR.xbb1566157f5f8b1f.WndProc(Message& m)
2007-06-07 11:00:35.109 VERBOSE [1] videoInsetVisible = false
2007-06-07 11:00:38.062 VERBOSE [4] Weather plugin downloading animated map Precipitation forecast for NZXX0049
2007-06-07 11:00:38.609 VERBOSE [1] HideMouse ref=-1

Hope someone can help.

[stefan]

going from the A700 DVB-S to one of the analogue cards

[snip]

at NativeUtilities.BDARecorder.SubmitTuningRequest(String tuningRequest, Boolean force)
at NativeUtilities.BDARecorder.SetTuningRequest(String filename, ChannelTuning channelTuning)
at GBPVR.Backend.Common.BDARecordingSource.setPreviewToChannel(ChannelTuning channelTuning)

I don't know the underlying cause of the error, but the "BDARecorder" part of the error message indicates that gbpvr is trying to use a digital (BDA) device. And since you state that you are trying to watch an analog channel, something is wrong. Could you accidentally have configured your dvb-s device to "have" analog channels?

[sub]

Reproduce the problem, then zip and attach the logs and I'll take a look.

[hasso]

here you go...

[sub]

I've had a really good look at the logs, but I'm not really sure what is happening. It doesnt seem to be related to switch from digital to analog though, since everything in that log seems to relate to digital, and the crash itself happens when you're switing to the V8Supercars channel.

Does it happen everytime you try to go to this channel?

[hasso]

Interesting.... according to my channels tab in the config... Maori is #6, Prime is #7, and V8Supercars is #8. yet when I click on "channel up" it's attemtping to go straight from Maori #6 to V8Supercars #8. Then I get the error. If I restart GBPVR and start with V8Supercars then do "channel down", it looks like it's trying to go straight to Maori... and I get the error. If I start with Prime everything works as it's using one of the analog cards, but then again when I hit one of the DVB-S channels and try to go to Prime (analog).... up comes the error.