Added Balance setting

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1744 a1c6a512-1295-4272-9138-f99709370657

apps/main.c

@@ -152,6 +152,7 @@ void init(void)
     mpeg_init( global_settings.volume,
                global_settings.bass,
                global_settings.treble,
+               global_settings.balance,
                global_settings.loudness,
                global_settings.bass_boost,
                global_settings.avc );

apps/settings.c

@@ -39,7 +39,7 @@ struct user_settings global_settings;
 
 static unsigned short last_checksum = 0;
 
-#define CONFIG_BLOCK_VERSION 0
+#define CONFIG_BLOCK_VERSION 1
 #define CONFIG_BLOCK_SIZE 44
 
 /********************************************
@@ -339,12 +339,12 @@ void settings_reset(void) {
     DEBUGF( "settings_reset()\n" );
 
     global_settings.volume      = mpeg_sound_default(SOUND_VOLUME);
-    global_settings.balance     = DEFAULT_BALANCE_SETTING;
+    global_settings.balance     = mpeg_sound_default(SOUND_BALANCE);
     global_settings.bass        = mpeg_sound_default(SOUND_BASS);
     global_settings.treble      = mpeg_sound_default(SOUND_TREBLE);
-    global_settings.loudness    = DEFAULT_LOUDNESS_SETTING;
+    global_settings.loudness    = mpeg_sound_default(SOUND_LOUDNESS);
-    global_settings.bass_boost  = DEFAULT_BASS_BOOST_SETTING;
+    global_settings.bass_boost  = mpeg_sound_default(SOUND_SUPERBASS);
-    global_settings.avc         = DEFAULT_AVC_SETTING;
+    global_settings.avc         = mpeg_sound_default(SOUND_AVC);
     global_settings.contrast    = DEFAULT_CONTRAST_SETTING;
     global_settings.poweroff    = DEFAULT_POWEROFF_SETTING;
     global_settings.backlight   = DEFAULT_BACKLIGHT_SETTING;

apps/settings.h

@@ -97,13 +97,6 @@ extern struct user_settings global_settings;
 
 /* system defines */
 
-#define DEFAULT_VOLUME_SETTING     70/2
-#define DEFAULT_BALANCE_SETTING    50
-#define DEFAULT_BASS_SETTING       50/2
-#define DEFAULT_TREBLE_SETTING     50/2
-#define DEFAULT_LOUDNESS_SETTING    0
-#define DEFAULT_BASS_BOOST_SETTING  0
-#define DEFAULT_AVC_SETTING         0
 #ifdef HAVE_LCD_CHARCELLS
 #define MAX_CONTRAST_SETTING        31
 #define DEFAULT_CONTRAST_SETTING    30

apps/sound_menu.c

@@ -105,6 +105,10 @@ void set_sound(char* string,
                 break;
         }
         mpeg_sound_set(setting, *variable);
+#ifdef HAVE_MAS3507D
+        if(setting == SOUND_BALANCE)
+            mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+#endif
     }
     lcd_stop_scroll();
 }
@@ -114,6 +118,11 @@ static void volume(void)
     set_sound("Volume", &global_settings.volume, SOUND_VOLUME);
 }
 
+static void balance(void)
+{
+    set_sound("Balance", &global_settings.balance, SOUND_BALANCE);
+}
+
 static void bass(void)
 {
     set_sound("Bass", &global_settings.bass, SOUND_BASS);
@@ -150,6 +159,7 @@ void sound_menu(void)
         { "Volume", volume },
         { "Bass",   bass },
         { "Treble", treble },
+        { "Balance", balance },
 #ifdef HAVE_MAS3587F
         { "Loudness", loudness },
         { "Bass Boost", bass_boost },

firmware/mpeg.c

@@ -59,7 +59,7 @@ static char *units[] =
     "%",    /* Volume */
     "dB",   /* Bass */
     "dB",   /* Treble */
-    "",     /* Balance */
+    "%",    /* Balance */
     "dB",   /* Loudness */
     "%"     /* Bass boost */
 };
@@ -79,7 +79,7 @@ static int minval[] =
     0,    /* Volume */
     0,    /* Bass */
     0,    /* Treble */
-    0,    /* Balance */
+    -50,  /* Balance */
     0,    /* Loudness */
     0     /* Bass boost */
 };
@@ -94,7 +94,7 @@ static int maxval[] =
     30,    /* Bass */
     30,    /* Treble */
 #endif
-    100,   /* Balance */
+    50,    /* Balance */
     17,    /* Loudness */
     10     /* Bass boost */
 };
@@ -109,7 +109,7 @@ static int defaultval[] =
     15+7,    /* Bass */
     15+7,    /* Treble */
 #endif
-    50,      /* Balance */
+    0,       /* Balance */
     0,       /* Loudness */
     0        /* Bass boost */
 };
@@ -1266,10 +1266,11 @@ bool mpeg_is_playing(void)
 
 #ifndef SIMULATOR
 #ifdef HAVE_MAS3507D
-int current_volume=0;  /* all values in tenth of dB */
+int current_left_volume = 0;  /* all values in tenth of dB */
-int current_treble=0;
+int current_right_volume = 0;  /* all values in tenth of dB */
-int current_bass=0;
+int current_treble = 0;
-int current_balance=0;
+int current_bass = 0;
+int current_balance = 0;
 
 /* convert tenth of dB volume to register value */
 static int tenthdb2reg(int db) {
@@ -1292,14 +1293,9 @@ void set_prescaled_volume(void)
     mas_writereg(MAS_REG_KPRESCALE, prescale_table[prescale/10]);
     
     /* gain up the analog volume to compensate the prescale reduction gain */
-    r = l = current_volume + prescale;
+    l = current_left_volume + prescale;
+    r = current_right_volume + prescale;
 
-    /* balance */
-    if (current_balance >= 0)
-        l -= current_balance;
-    else
-        r += current_balance;
-    
     dac_volume(tenthdb2reg(l), tenthdb2reg(r), false);
 }
 #endif /* HAVE_MAS3507D */
@@ -1309,8 +1305,12 @@ void mpeg_sound_set(int setting, int value)
 {
 #ifdef SIMULATOR
     setting = value;
+#else
+#ifdef HAVE_MAS3507D
+    int l, r;
 #else
     int tmp;
+#endif
     
     switch(setting)
     {
@@ -1321,15 +1321,44 @@ void mpeg_sound_set(int setting, int value)
             tmp = 0x7f00 * value / 100;
             mas_codec_writereg(0x10, tmp & 0xff00);
 #else
-            tmp = 0x38 * value / 100;
+            l = value;
+            r = value;
+            
+            if(current_balance > 0)
+            {
+                l -= current_balance;
+                if(l < 0)
+                    l = 0;
+            }
+            
+            if(current_balance < 0)
+            {
+                r += current_balance;
+                if(r < 0)
+                    r = 0;
+            }
+            
+            l = 0x38 * l / 100;
+            r = 0x38 * r / 100;
 
             /* store volume in tenth of dB */
-            current_volume = ( tmp < 0x08 ? tmp*30 - 780 : tmp*15 - 660 );
+            current_left_volume = ( l < 0x08 ? l*30 - 780 : l*15 - 660 );
+            current_right_volume = ( r < 0x08 ? r*30 - 780 : r*15 - 660 );
 
             set_prescaled_volume();
 #endif
             break;
 
+        case SOUND_BALANCE:
+#ifdef HAVE_MAS3587F
+            tmp = ((value * 127 / 100) & 0xff) << 8;
+            mas_codec_writereg(0x11, tmp & 0xff00);
+#else
+            /* Convert to percent */
+            current_balance = value * 2;
+#endif
+            break;
+
         case SOUND_BASS:
 #ifdef HAVE_MAS3587F
             tmp = (((value-12) * 8) & 0xff) << 8;
@@ -1415,6 +1444,10 @@ int mpeg_val2phys(int setting, int value)
             result = value * 2;
             break;
         
+        case SOUND_BALANCE:
+            result = value * 2;
+            break;
+        
         case SOUND_BASS:
 #ifdef HAVE_MAS3587F
             result = value - 12;
@@ -1444,7 +1477,7 @@ int mpeg_val2phys(int setting, int value)
     return result;
 }
 
-void mpeg_init(int volume, int bass, int treble, int loudness, int bass_boost, int avc)
+void mpeg_init(int volume, int bass, int treble, int balance, int loudness, int bass_boost, int avc)
 {
 #ifdef SIMULATOR
     volume = bass = treble = loudness = bass_boost = avc;
@@ -1556,6 +1589,7 @@ void mpeg_init(int volume, int bass, int treble, int loudness, int bass_boost, i
     
     mpeg_sound_set(SOUND_BASS, bass);
     mpeg_sound_set(SOUND_TREBLE, treble);
+    mpeg_sound_set(SOUND_BALANCE, balance);
     mpeg_sound_set(SOUND_VOLUME, volume);
     
 #ifdef HAVE_MAS3587F

firmware/mpeg.h

@@ -21,7 +21,7 @@
 
 #include <stdbool.h>
 
-void mpeg_init(int volume, int bass, int treble, int loudness, int bass_boost, int avc);
+void mpeg_init(int volume, int bass, int treble, int balance, int loudness, int bass_boost, int avc);
 void mpeg_play(char* trackname);
 void mpeg_stop(void);
 void mpeg_pause(void);
@@ -44,15 +44,9 @@ bool mpeg_has_changed_track(void);
 #define SOUND_BASS 1
 #define SOUND_TREBLE 2
 #define SOUND_BALANCE 3
-
-#ifdef HAVE_MAS3587F
 #define SOUND_LOUDNESS 4
 #define SOUND_SUPERBASS 5
 #define SOUND_AVC 6
 #define SOUND_NUMSETTINGS 7
-#else
-#define SOUND_DEEMPH 4
-#define SOUND_NUMSETTINGS 5
-#endif
 
 #endif