[bug]SFX preview does not play

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Lobo
Forum Regular

Posts: 971
Registered: 12-01

XWE Version: latest Beta(23/07)

OS: Windows XP with SP2

Description:
Some sounds are not played back when the entry is clicked on inside XWE, and the preview does not show the waveform graphic.

Steps to reproduce:
1. Get the latest freedoom doom 2 wad.
2. Open it in XWE and press the "Sounds" filter button at the bottom of the screen.
3. Now click on the "DSPODTH2" entry for example (there are many others which don't work either)

Hope this helps.

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Last edited by Lobo on 07-24-05 at 10:22

07-24-05 10:14 #

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Csabo
Moderator

Posts: 541
Registered: 02-02

That actually works as expected. If you turn on the size column, you can see that the lengths are only 150 bytes. Those are valid Doom wav sounds, but they are short and they are basically silence.

07-24-05 22:16 #

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Lobo
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Posts: 971
Registered: 12-01

ahh crap, ok!

Just placeholders then: I thought they had become corrupted or something!

Thanks.

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07-27-05 21:10 #

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WildWeasel
Resident Castlevania Super-Fanboy

Posts: 2650
Registered: 07-03

Well, there's a related bug - if a sound is in Doom Wave Format, but it's longer than 65536 bytes, it won't play properly in XWE. It cuts off after about 0.3 seconds, and exporting it retains this cutoff.

07-27-05 22:26 #

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Csabo
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WildWeasel, do you have an example?

07-28-05 14:03 #

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TheDarkArchon
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For me, the sounds appear as Hex code. An example WAD of this is Wildweasel's Doom Illustrated. (DSFDTH1, DSFDTH3, DSBFG, DSDMFLAM, DSRXPLOD, DSDISIN*)

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07-28-05 16:42 #

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Lobo
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TheDarkArchon said:
For me, the sounds appear as Hex code. An example WAD of this is Wildweasel's Doom Illustrated. (DSFDTH1, DSFDTH3, DSBFG, DSDMFLAM, DSRXPLOD, DSDISIN*)

I've just tried this wad with the latest beta and it works OK.

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07-28-05 21:49 #

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TheDarkArchon
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Hemm, I added markers to the WAD that designates all lumps between them as sounds (Defined by myself in XWE.ini) and Weasel's bug is in there. I'm using the 23/07 beta.

The sounds length (in bytes) according to XWE is the lumps size - 65544

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07-29-05 12:45 #

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Csabo
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Doom sounds have an 8 byte header, so normally the sound length would be (lump length-8). The 8 bytes are: $0003 (always the same), sample rate (2 bytes), and length (4 bytes?). The sounds that have a problem are reporting the length incorrectly, they only use 2 bytes, on which you cannot express numbers that are larger than 65535. XWE reads the header and takes the length from there.

If anyone were to save the lumps as raw data, and add a $01 into the header, they would play fine in XWE. I wonder what program created those so that the sound length is misreported.

I guess I could rewrite it so that it doesn't take the length from the header (since these sounds are 'buggy'), but would that break other things?

07-29-05 14:41 #

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TheDarkArchon
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the odd thing is, EDGE plays the sounds fine and it only accepts Doom Wave or, IIRC, OGG's as sounds

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07-29-05 16:05 #

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Csabo
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Yeah, I would have guessed that the source ports will play the sounds fine. It's easy for me to make this change, ie. use lumplength - 8 as the sample lenght, not what's in the header. I'll do it as soon as I can and upload a new beta. It'll make these sounds play properly, and hopefully not break anything else.

07-29-05 20:19 #

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