#271352 - 02/12/2005 17:56
Hijack v444
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Hijack v444 is now available.
This version boosts the gain control of the cs4231a chip to max, for use when sampling Radio/Aux inputs to compute the front-panel graphical visual displays. There is no effect on visuals from the mpeg player engine, as that path does not use the cs4231a for sampling.
I have found that the v3alpha series has severely muted the visuals for Radio/Aux, so this does a little bit towards making them work again. Even with the gain at max, it's still a bit lower than I'd like, though.
There is now a new Hijack parameter for config.ini, known as visuals_gain, which can be assigned any value from 0 through 31. A value of 0 means use the player's default setting of 8 (same behaviour as prior to Hijack v444,), and values from 1..15 are straight 1.5dB gain increments. Values from 16 through 31 add a +20dB boost to the lower 1..15 values. The default is a gain of 31 (15 + 20dB boost).
Also new, the /proc/empeg_cs4231 file now shows the two most recent 16-bit samples, so you can how adjusting the gain works out. This is also to aid me in implementing record from FM some day. I may begin that by simply streaming the samples out over TCP or UDP to my 24/7 network server, and let that machine actually save the recordings.
Cheers
Edited by mlord (02/12/2005 17:58)
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#271353 - 02/12/2005 18:17
Re: Hijack v444
[Re: mlord]
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carpal tunnel
Registered: 27/06/1999
Posts: 7058
Loc: Pittsburgh, PA
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Hm.... Do you have any plans to add something to /proc (or perhaps just an ioctl) to retrieve the currently-tuned radio frequency? If so, that'd be about all I'm missing to implement something to do this.
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#271354 - 02/12/2005 18:40
Re: Hijack v444
[Re: tonyc]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Quote: Hm.... Do you have any plans to add something to /proc (or perhaps just an ioctl) to retrieve the currently-tuned radio frequency?
No need --it's already available by reading the flash savearea (/dev/empeg_state). The FM tuner frequency is a 32-bit (little-endian) word at offset 0x14 (as I just discovered using the Hijack Show Flash Savearea feature).
For example, I am currently listening to FM 91.5 (CBC RadioOne), and the 32-bit word reads as 0x05742de0, which in base10 is 91500000.
Cheers
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#271355 - 02/12/2005 18:43
Re: Hijack v444
[Re: mlord]
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carpal tunnel
Registered: 27/06/1999
Posts: 7058
Loc: Pittsburgh, PA
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Cool, that's all I need. I'm already reading the savearea for something else, but didn't know the tuner freq. was in there (thought it was stored on the tuner module itself or something.)
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#271356 - 22/01/2006 14:02
Re: Hijack v444
[Re: mlord]
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enthusiast
Registered: 16/02/2001
Posts: 373
Loc: Switzerland
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Hi Mark,
I had V443 and V444 installed on my device and found out, that when I switch between sources (tuner, AUX, player) and go back to player as a source, I can't choose any new playlists...The player hangs forever (sandglass)...If I go back to V442, then I can switch to every source and come back to player and can choose a different playlist...
Don't know, if this have todo with the digital board form Stu...
There was an other funny thing today...Car battery was draining to zero with V443... I am not sure, if the player was not switching off and I din't used my car for a while.
bye
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#271357 - 22/01/2006 14:08
Re: Hijack v444
[Re: crazymelki]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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I just tried this a few times, and it worked for me -- didn't get stuck on the hourglass.
But one attempt did actually fail to play new music until I rebooted the player.
Such is life with closed source apps.. never really know what's wrong or how to fix it.
Cheers
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#271358 - 22/01/2006 17:18
Re: Hijack v444
[Re: mlord]
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enthusiast
Registered: 16/02/2001
Posts: 373
Loc: Switzerland
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lets say "works as designed" Thanks
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#271359 - 16/02/2006 15:12
Re: Hijack v444
[Re: mlord]
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new poster
Registered: 31/08/2005
Posts: 11
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Quote: Hijack v444 is now available.
I have found that the v3alpha series has severely muted the visuals for Radio/Aux, so this does a little bit towards making them work again. Even with the gain at max, it's still a bit lower than I'd like, though.
What needs to be done to get Mute working with alpha8 ?? The player just shows a Telefon-Icon but nothing really happens.
Regards
Christian
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#271360 - 16/02/2006 16:37
Re: Hijack v444
[Re: ChristianAC]
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carpal tunnel
Registered: 17/01/2002
Posts: 3996
Loc: Manchester UK
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Quote:
Quote: Hijack v444 is now available.
I have found that the v3alpha series has severely muted the visuals for Radio/Aux, so this does a little bit towards making them work again. Even with the gain at max, it's still a bit lower than I'd like, though.
What needs to be done to get Mute working with alpha8 ?? The player just shows a Telefon-Icon but nothing really happens.
Regards
Christian
I think that's a different kind of mute to what Mark is talking about.
_________________________
Cheers,
Andy M
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#271361 - 16/02/2006 16:48
Re: Hijack v444
[Re: ChristianAC]
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carpal tunnel
Registered: 20/12/1999
Posts: 31597
Loc: Seattle, WA
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Quote: What needs to be done to get Mute working with alpha8?
Install version 2.0 final?
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#271362 - 16/02/2006 19:18
Re: Hijack v444
[Re: andym]
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new poster
Registered: 31/08/2005
Posts: 11
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Quote:
I think that's a different kind of mute to what Mark is talking about.
As long as I am able to have an undisturbed phone call, i take any kind of mute.
How about switching to the AUX-Port ??
I've nothing on there.
So which code to put on exmute_on/off ??
Regards
Christian
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#271363 - 16/02/2006 19:22
Re: Hijack v444
[Re: ChristianAC]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Why not just map both of them to "Pause" ?
But to answer your question about switching to Aux, The button name is "Auxiliary" in Hijack, and to switch back to the player use "Player".
-ml
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#271364 - 11/04/2006 09:03
Re: Hijack v444
[Re: mlord]
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new poster
Registered: 31/08/2005
Posts: 11
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OK. I did the maping to "Pause" of both.
In player-mode it works perfect but in tuner-mode it shows the telephone, it shows speaker-symbol but does nothing. You have to push the pause-button twice. First switches the speaker-symbol away und the second hit on the pause-button switches it back on and also cuts the music off, which already should have been done by the mute.
Any Ideas ?
Regards
Christian
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#271365 - 11/04/2006 10:36
Re: Hijack v444
[Re: ChristianAC]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Quote:
Any Ideas ?
Well, Yeah!. There's been, like, an entire new thread on this topic in the meanwhile, and several new Hijack versions to provide the features required.
Something like:
extmute_off=SaveAux extmute_on=RestoreSrc
in your case.
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