Channel Change

[The Gus]

Good morning everybody, here's my question about DVBPro/COM with Delphi:

 

Given the channel name how do I force dvbv to switch to that channel? If ChannelName is 'AChannelName' I suppose I shoudl loop through Channels.dat then retrieve its position then tell dvbv to go to that channel. Am I right? Which property of TChannel should I use to pass to .CurrentChannelNr (imho)?

Thank you very much for you appreciated help!

[Moses]

You should try ChannelManager. You could loop through the IChannelCollection manually and then pass the index to DVBViewer. Have a look at "GetbyChannelname", too, that returns an integer. I can't read the doc for some strange error, right now, but I could imagen that it's the channel number.

[The Gus]

That was correct : FDVBViewer.CurrentChannelNr:=FDVBViewer.ChannelManager.GetbyChannelname(); did the job.

thanks for the tip!

[The Gus]

Btw is it possible to send to DVBViewer the nmeric keystrokes that the software would intpret as a channel digit? i.e a software sends 1-2-3, dvbv waits the timeout the switchs to channel number 123.

thanks all!

[Lars_MQ]

you need to translate the number into the digits and send the according ac constants (-> action.ini) using the sendcommand of the DVBViewer interface. But you have to take care yourself in which state the OSD is. In a osdwindow with a list, sending the numbers will result in selecting entries as example.

[The Gus]

thank you Lars;

a little bit of hrlp please:

if I hook the keyboard and I send the commands one by one, te rogram just switchs after each digit, without waiting for next digits. i.e

FDVBViewer.SendCommand(40+strtointdef(Chr(Key_Hooked),0));

 

By as you suggest splitting the number into digits, which is the syntax with sendcommand?

 

Thank you again!

[The Gus]

Any1 pls help?

[Lars_MQ]

IDVBViewer.sendcommand(CMD : Integer).

Channel0=40
Channel1=41
Channel2=42
Channel3=43
Channel4=44
Channel5=45
Channel6=46
Channel7=47
Channel8=48
Channel9=49

These are the constants and the sendcommand definition.

 

For 123 you do:

IDVBViewer.sendcommand(Channel1)
IDVBViewer.sendcommand(Channel2)
IDVBViewer.sendcommand(Channel3)

[The Gus]

Thank you Lars....but that's what I've already tried : the result is that DVBV goes to the last channel number sended. For 123 it goes to the third channel on the list and not on the 123rd. Maybe a problem on timeout?

[Lars_MQ]

well does it work in he DVBViewer directly via keyboard? it's the same mechanism.

[The Gus]

I see and agree with your logic :-) I'll try to increase the delay of channel number input as soon as I get home

[The Gus]

I've solved by putting 1500 on delay between channel numbers in dvbv's options. Great!

 

Tnx for your assistance, ciao