[pulseaudio-commits] r2289 - in /branches/glitch-free/src/pulse: volume.c volume.h

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Author: lennart
Date: Mon Apr 21 01:57:44 2008
New Revision: 2289

URL: http://0pointer.de/cgi-bin/viewcvs.cgi?rev=2289&root=pulseaudio&view=rev
Log:
improve dB volume calculation

Modified:
    branches/glitch-free/src/pulse/volume.c
    branches/glitch-free/src/pulse/volume.h

Modified: branches/glitch-free/src/pulse/volume.c
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/branches/glitch-free/src/pulse/volume.c?rev=2289&root=pulseaudio&r1=2288&r2=2289&view=diff
==============================================================================
--- branches/glitch-free/src/pulse/volume.c (original)
+++ branches/glitch-free/src/pulse/volume.c Mon Apr 21 01:57:44 2008
@@ -80,10 +80,10 @@
     return pa_sw_volume_from_linear(pa_sw_volume_to_linear(a)* pa_sw_volume_to_linear(b));
 }
 
-#define USER_DECIBEL_RANGE 30
+#define USER_DECIBEL_RANGE 60
 
 pa_volume_t pa_sw_volume_from_dB(double dB) {
-    if (dB <= -USER_DECIBEL_RANGE)
+    if (isinf(dB) < 0 || dB <= -USER_DECIBEL_RANGE)
         return PA_VOLUME_MUTED;
 
     return (pa_volume_t) ((dB/USER_DECIBEL_RANGE+1)*PA_VOLUME_NORM);

Modified: branches/glitch-free/src/pulse/volume.h
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/branches/glitch-free/src/pulse/volume.h?rev=2289&root=pulseaudio&r1=2288&r2=2289&view=diff
==============================================================================
--- branches/glitch-free/src/pulse/volume.h (original)
+++ branches/glitch-free/src/pulse/volume.h Mon Apr 21 01:57:44 2008
@@ -166,10 +166,10 @@
 double pa_sw_volume_to_linear(pa_volume_t v) PA_GCC_CONST;
 
 #ifdef INFINITY
-#define PA_DECIBEL_MININFTY (-INFINITY)
+#define PA_DECIBEL_MININFTY ((double) -INFINITY)
 #else
 /** This value is used as minus infinity when using pa_volume_{to,from}_dB(). */
-#define PA_DECIBEL_MININFTY (-200)
+#define PA_DECIBEL_MININFTY ((double) -200)
 #endif
 
 PA_C_DECL_END