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FS#8561 - Stereo Crossfade

Attached to Project: Rockbox
Opened by Timo Horstschäfer (x1jmp) - Tuesday, 05 February 2008, 16:30 GMT+2
Task Type Patches
Category Music playback
Status Unconfirmed
Assigned To No-one
Player type SW-codec
Severity
Priority Normal
Reported Version current build
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Private No

Details

Creates a stereo crossfade effect.
The old song fades out to the right and the new song fades in from the left.

Makes crossfades more pleasant as songs with non-matching beats are sepereted between left and right instead of being mixed together.

Some recommended settings to hear the stereo crossfade:
Fade-In Delay: 0s
Fade-In Duration: 10s
Fade-Out Delay: 0s
Fade-Out Duration: 10s
Fade-Out Mode: Crossfade

Code is still proof-of-concept as there are no settings for it currently. Crossfade is hardcoded to go from left to right, but can be easily changed in the code.
   stereo_crossfade.patch (2 KiB)
This task depends upon

Comment by Tuukka Ojala (tuojal) - Saturday, 09 February 2008, 23:53 GMT+2
Thanks for that patch! No problems. On Sansa e250 this worked fine.
Comment by Chile Eboe-Osuji (eboeosuji) - Thursday, 14 February 2008, 14:26 GMT+2
Will this work on iPod 80gb? And from where do I download the patch?
Comment by Michael DiFebbo (medifebbo) - Thursday, 14 February 2008, 16:40 GMT+2
There is a link to the patch in the "Details" section above.

For information on how to apply patches, refer to these two Wiki pages:
http://www.rockbox.org/twiki/bin/view/Main/WebHome?topic=SimpleGuideToCompiling
http://www.rockbox.org/twiki/bin/view/Main/SimpleGuideToCompiling?topic=WorkingWithPatches
Comment by Allen (aherron) - Friday, 15 February 2008, 21:47 GMT+2
Timo Horstschäfer,
Good work.

I was wondering if you could take a look at the way they made this crossfade plugin for Winamp?
http://www.sqrsoft.com.ar/en/acf.html

The crossfading takes place based on not only how much time is left, but also how loud the song is within the fadeout window. This plugin works very well because it takes into account how the song ends and bases the decision of when to crossfade on both the amount of time left as well as the volume of the ending.

Thanks for looking at this.

Allen...
Comment by Timo Horstschäfer (x1jmp) - Tuesday, 19 February 2008, 16:30 GMT+2
@eboeosuji
It works on every target, that has crossfade at all.

@Allen
Yeah, would be a nice feature, not even related to this task.
But I wouldn't be easy to implement (though I didn't have a look at it).

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