Try to not confuse between Dolby Surround (2.1) and Dolby Digital (5.1)

Ref #1417

modules/gui/macosx/simple_prefs.m

@@ -217,7 +217,7 @@ create_toolbar_item( NSString * o_itemIdent, NSString * o_name, NSString * o_des
 - (void)initStrings
 {
     /* audio */
-    [o_audio_dolby_txt setStringValue: _NS("Force detection of Dolby Surround")];
+    [o_audio_dolby_txt setStringValue: _NS("Force detection of Dolby Digital")];
     [o_audio_effects_box setTitle: _NS("Effects")];
     [o_audio_enable_ckb setTitle: _NS("Enable Audio")];
     [o_audio_general_box setTitle: _NS("General Audio")];
@@ -419,7 +419,7 @@ create_toolbar_item( NSString * o_itemIdent, NSString * o_name, NSString * o_des
 
     [o_audio_spdif_ckb setState: config_GetInt( p_intf, "spdif" )];
 
-    [self setupButton: o_audio_dolby_pop forIntList: "force-dolby-surround"];
+    [self setupButton: o_audio_dolby_pop forIntList: "force-dolby-digital"];
 
     [o_audio_lang_fld setStringValue: [NSString stringWithUTF8String: config_GetPsz( p_intf, "audio-language" ) ?: ""]];
 
@@ -748,7 +748,7 @@ static inline void save_module_list( intf_thread_t * p_intf, id object, const ch
         config_PutInt( p_intf, "volume", [o_audio_vol_sld intValue] );
         config_PutInt( p_intf, "spdif", [o_audio_spdif_ckb state] );
 
-        SaveIntList( o_audio_dolby_pop, "force-dolby-surround" );
+        SaveIntList( o_audio_dolby_pop, "force-dolby-digital" );
 
         config_PutPsz( p_intf, "audio-language", [[o_audio_lang_fld stringValue] UTF8String] );
         config_PutInt( p_intf, "headphone-dolby", [o_audio_headphone_ckb state] );

modules/gui/qt4/components/simple_preferences.cpp

@@ -286,7 +286,7 @@ SPrefsPanel::SPrefsPanel( intf_thread_t *_p_intf, QWidget *_parent,
 
             CONFIG_GENERIC( "spdif", Bool, NULL, spdifBox );
             CONFIG_GENERIC( "qt-autosave-volume", Bool, NULL, saveVolBox );
-            CONFIG_GENERIC( "force-dolby-surround" , IntegerList , NULL,
+            CONFIG_GENERIC( "force-dolby-digital" , IntegerList , NULL,
                             detectionDolby );
 
             CONFIG_GENERIC( "headphone-dolby" , Bool , NULL, headphoneEffect );

modules/gui/qt4/ui/sprefs_audio.ui

@@ -110,7 +110,7 @@
       <item row="2" column="0" >
        <widget class="QLabel" name="label_8" >
         <property name="text" >
-         <string>_("Force detection of Dolby Surround")</string>
+         <string>_("Force detection of Dolby Digital")</string>
         </property>
         <property name="buddy" >
          <cstring>detectionDolby</cstring>

src/audio_output/output.c

@@ -132,7 +132,7 @@ int aout_OutputNew( aout_instance_t * p_aout,
         if ( p_aout->output.output.i_original_channels & AOUT_CHAN_DOLBYSTEREO )
         {
             val.i_int = AOUT_VAR_CHAN_DOLBYS;
-            text.psz_string = _("Dolby Surround");
+            text.psz_string = _("Dolby Digital");
         }
         else
         {

src/input/decoder.c

@@ -1895,7 +1895,7 @@ static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
 
     if( p_owner->p_aout_input == NULL )
     {
-        const int i_force_dolby = config_GetInt( p_dec, "force-dolby-surround" );
+        const int i_force_dolby = config_GetInt( p_dec, "force-dolby-digital" );
         audio_sample_format_t format;
         aout_input_t *p_aout_input;
         aout_instance_t *p_aout;

src/libvlc-module.c

@@ -283,11 +283,11 @@ static const char *const ppsz_snap_formats[] =
     "S/PDIF can be used by default when " \
     "your hardware supports it as well as the audio stream being played.")
 
-#define FORCE_DOLBY_TEXT N_("Force detection of Dolby Surround")
+#define FORCE_DOLBY_TEXT N_("Force detection of Dolby Digital")
 #define FORCE_DOLBY_LONGTEXT N_( \
     "Use this when you know your stream is (or is not) encoded with Dolby "\
-    "Surround but fails to be detected as such. Even if the stream is "\
-    "not actually encoded with Dolby Surround, turning on this option might "\
+    "Digital but fails to be detected as such. Even if the stream is "\
+    "not actually encoded with Dolby Digital, turning on this option might "\
     "enhance your experience, especially when combined with the Headphone "\
     "Channel Mixer." )
 static const int pi_force_dolby_values[] = { 0, 1, 2 };
@@ -1462,7 +1462,7 @@ vlc_module_begin();
               AOUT_RESAMP_LONGTEXT, true );
 #endif
     add_bool( "spdif", 0, NULL, SPDIF_TEXT, SPDIF_LONGTEXT, false );
-    add_integer( "force-dolby-surround", 0, NULL, FORCE_DOLBY_TEXT,
+    add_integer( "force-dolby-digital", 0, NULL, FORCE_DOLBY_TEXT,
                  FORCE_DOLBY_LONGTEXT, false );
         change_integer_list( pi_force_dolby_values, ppsz_force_dolby_descriptions, NULL );
     add_integer( "audio-desync", 0, NULL, DESYNC_TEXT,