CVS: allegro/src/win wdsound.c,1.22,1.23

[Eric B. <ebo...@us...>]

Update of /cvsroot/alleg/allegro/src/win
In directory usw-pr-cvs1:/tmp/cvs-serv786/src/win

Modified Files:
	wdsound.c 
Log Message:
Javier contributed the backward playing support for the DirectSound driver

Index: wdsound.c
===================================================================
RCS file: /cvsroot/alleg/allegro/src/win/wdsound.c,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -d -r1.22 -r1.23
--- wdsound.c	2001/08/19 09:00:06	1.22
+++ wdsound.c	2001/09/22 08:58:47	1.23
@@ -12,10 +12,12 @@
  *
  *      By Stefan Schimanski.
  *
- *      Various bugfixes by Patrick Hogan and Javier Gonzalez.
+ *      Various bugfixes by Patrick Hogan.
  *
  *      Custom loop points support added by Eric Botcazou.
  *
+ *      Backward playing support and bugfixes by Javier Gonzalez.
+ *
  *      See readme.txt for copyright information.
[...457 lines suppressed...]
       }
    }
 
    if (ds_voices[voice].ds_buffer) {
+      pos = position;
+
+      if (ds_voices[voice].reversed)
+         pos = ds_voices[voice].len - 1 - pos;
+
       hr = IDirectSoundBuffer_SetCurrentPosition(ds_voices[voice].ds_buffer,
-                                                 position * ds_voices[voice].bytes_per_sample);
+                                                 pos * ds_voices[voice].bytes_per_sample);
       if (FAILED(hr)) {
          _TRACE("digi_directsound_set_position() failed (%s).\n", ds_err(hr));
       }
@@ -979,3 +1086,4 @@
          IDirectSoundBuffer_SetPan(ds_voices[voice].ds_loop_buffer, ds_pan);
    }
 }
+