CDXL library for Blitz?

earok · 12 October 2016, 08:26

Does anyone know of such a thing existing? If not, I'm tempted to look at writing something (the C source of the CDGSXL player is out there, which I guess may be a good starting point)

emufan · 12 October 2016, 08:47

no clue about the blitz issue, but ffmpeg does play cdxl files too.
if you are looking for some source code to start.

#1) https://github.com/FFmpeg/FFmpeg/blo...bavcodec/iff.c
i guess this is the main part of the iff decoder

Daedalus · 12 October 2016, 10:01

Isn't CDXL supported by a datatype? It might be easier to go down that route than to port the entire decoder, though I haven't ever looked at doing either.

earok · 12 October 2016, 10:23

I'm not sure if those would help (though I know little about DataTypes) - as I understand it, the CDTV/CD32 ROM has some special functionality built in for handling CDXL files (as they can be essentially streamed from disc, like CD Audio)

I don't really want to write a new player per-se, as there's good ones out there already, I really just wanted to be able to stream CDXL into a Blitz game. Basically for doing "interactive movie" type games. It seems that there's a CDTV example included with Blitz (for playback of CD music), I guess it may be possible to build on that.

Coagulus · 12 October 2016, 23:22

If there's a cdxl assembly playback routine you may be able to get it to run in blitz builtin assembler with some work. Or if its a playback libraryl you may be able to call it within blitz. I did this with a music player back in the day.

12 October 2016, 08:47	#2
emufan Registered User Join Date: Feb 2012 Location: #DrainTheSwamp Posts: 4,545	no clue about the blitz issue, but ffmpeg does play cdxl files too. if you are looking for some source code to start. #1) https://github.com/FFmpeg/FFmpeg/blo...bavcodec/iff.c i guess this is the main part of the iff decoder Last edited by emufan; 12 October 2016 at 08:56.

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12 October 2016, 08:26	#1
earok Registered User Join Date: Dec 2013 Location: Auckland Posts: 3,539	CDXL library for Blitz? Does anyone know of such a thing existing? If not, I'm tempted to look at writing something (the C source of the CDGSXL player is out there, which I guess may be a good starting point)

12 October 2016, 10:01	#3
Daedalus Registered User Join Date: Jun 2009 Location: Dublin, then Glasgow Posts: 6,334	Isn't CDXL supported by a datatype? It might be easier to go down that route than to port the entire decoder, though I haven't ever looked at doing either.

12 October 2016, 10:23	#4
earok Registered User Join Date: Dec 2013 Location: Auckland Posts: 3,539	I'm not sure if those would help (though I know little about DataTypes) - as I understand it, the CDTV/CD32 ROM has some special functionality built in for handling CDXL files (as they can be essentially streamed from disc, like CD Audio) I don't really want to write a new player per-se, as there's good ones out there already, I really just wanted to be able to stream CDXL into a Blitz game. Basically for doing "interactive movie" type games. It seems that there's a CDTV example included with Blitz (for playback of CD music), I guess it may be possible to build on that.

12 October 2016, 23:22	#5
Coagulus Gets there in the end... Join Date: Sep 2005 Location: Wales Posts: 862	If there's a cdxl assembly playback routine you may be able to get it to run in blitz builtin assembler with some work. Or if its a playback libraryl you may be able to call it within blitz. I did this with a music player back in the day.

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