Index: mixer.c
===================================================================
RCS file: /cvsroot/mplayer/main/mixer.c,v
retrieving revision 1.17
diff -u -r1.17 mixer.c
--- mixer.c	26 Jun 2004 12:47:00 -0000	1.17
+++ mixer.c	24 Jul 2004 21:31:32 -0000
@@ -28,7 +28,8 @@
         float db_vals[AF_NCH];
         if (!af_control_any_rev(mixer->afilter,
                AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_GET, db_vals))
-          return;
+          db_vals[0] = db_vals[1] = 1.0;
+        else
         af_from_dB (2, db_vals, db_vals, 20.0, -200.0, 60.0);
         vol.left = db_vals[0] * 90.0;
         vol.right = db_vals[1] * 90.0;
@@ -61,8 +62,14 @@
         af_to_dB (AF_NCH, db_vals, db_vals, 20.0);
         if (!af_control_any_rev(mixer->afilter,
                AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, db_vals)) {
-          mp_msg(MSGT_GLOBAL, MSGL_HINT, MSGTR_NeedAfVolume);
-          return;
+          mp_msg(MSGT_GLOBAL, MSGL_INFO, MSGTR_InsertingAfVolume);
+          if (af_add(mixer->afilter, "volume")) {
+            if (!af_control_any_rev(mixer->afilter,
+                   AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, db_vals)) {
+              mp_msg(MSGT_GLOBAL, MSGL_ERR, MSGTR_NoVolume);
+              return;
+            }
+          }
 	}
       }
     }
Index: help/help_mp-en.h
===================================================================
RCS file: /cvsroot/mplayer/main/help/help_mp-en.h,v
retrieving revision 1.121
diff -u -r1.121 help_mp-en.h
--- help/help_mp-en.h	6 Jul 2004 11:14:29 -0000	1.121
+++ help/help_mp-en.h	24 Jul 2004 21:31:36 -0000
@@ -368,7 +368,8 @@
 // x11_common.c
 #define MSGTR_EwmhFullscreenStateFailed "\nX11: Couldn't send EWMH fullscreen Event!\n"
 
-#define MSGTR_NeedAfVolume "Mixer: This audio output driver needs \"-af volume\" for changing volume.\n"
+#define MSGTR_InsertingAfVolume "[Mixer] No hardware mixing, inserting volume filter.\n"
+#define MSGTR_NoVolume "[Mixer] No volume control available.\n"
 
 // ====================== GUI messages/buttons ========================