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Bug 701081 - liborc example 1 gives wrong output
liborc example 1 gives wrong output
Status: RESOLVED NOTABUG
Product: GStreamer
Classification: Platform
Component: orc
unspecified
Other Linux
: Normal normal
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2013-05-27 11:39 UTC by samuraidroids
Modified: 2013-05-27 11:47 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description samuraidroids 2013-05-27 11:39:27 UTC 
Hi,

I compiled liborc version 0.4.17 from http://code.entropywave.com/download/orc/.

when i ran the example1 under the examples directory, i get the following output:

0: 0 32000 -> 32000
1: 100 32000 -> 32100
2: 200 32000 -> 32200
3: 300 32000 -> 32300
4: 400 32000 -> 32400
5: 500 32000 -> 32500
6: 600 32000 -> 32600
7: 700 32000 -> 32700
8: 800 32000 -> 32767
9: 900 32000 -> 32767

#8 and #9 are wrong. 

I compiled using gcc (Debian 4.7.2-5) 4.7.2 on an Intel Atom N570 processor.

Please let me know if you need any other information.
Comment 1 Sebastian Dröge (slomo) 2013-05-27 11:47:18 UTC 
That's correct, it is doing an saturated, signed 16 bit integer add:

.function audio_add_s16
.dest 2 d1 short
.source 2 s1 short
.source 2 s2 short

addssw d1, s1, s2