Add single playback mode

(FS#482)

Change-Id: I8b4c3e4ffb6975122153e82f2b9848c382195163

apps/lang/english-us.lang

@@ -1299,6 +1299,20 @@
     *: "Fade On Stop and Pause"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_SINGLE_MODE
+  desc: single mode
+  user: core
+  <source>
+    *: "Single Mode"
+  </source>
+  <dest>
+    *: "Single Mode"
+  </dest>
+  <voice>
+    *: "Single Mode"
+  </voice>
+</phrase>
 <phrase>
   id: LANG_PARTY_MODE
   desc: party mode

apps/lang/english.lang

@@ -1375,6 +1375,20 @@
     *: "Fade On Stop and Pause"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_SINGLE_MODE
+  desc: single mode
+  user: core
+  <source>
+    *: "Single Mode"
+  </source>
+  <dest>
+    *: "Single Mode"
+  </dest>
+  <voice>
+    *: "Single Mode"
+  </voice>
+</phrase>
 <phrase>
   id: LANG_PARTY_MODE
   desc: party mode

apps/lang/hebrew.lang

@@ -1460,6 +1460,20 @@
     *: "עמעום צליל בעצירה והפסקה"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_SINGLE_MODE
+  desc: single mode
+  user: core
+  <source>
+    *: "Single Mode"
+  </source>
+  <dest>
+    *: "מצב יחדי"
+  </dest>
+  <voice>
+    *: "מצב יחדי"
+  </voice>
+</phrase>
 <phrase>
   id: LANG_PARTY_MODE
   desc: party mode

apps/menus/playback_menu.c

@@ -92,6 +92,7 @@ MENUITEM_SETTING(buffer_margin, &global_settings.buffer_margin,
                  buffermargin_callback);
 #endif /*HAVE_DISK_STORAGE */
 MENUITEM_SETTING(fade_on_stop, &global_settings.fade_on_stop, NULL);
+MENUITEM_SETTING(single_mode, &global_settings.single_mode, NULL);
 MENUITEM_SETTING(party_mode, &global_settings.party_mode, NULL);
 
 #ifdef HAVE_CROSSFADE
@@ -208,7 +209,7 @@ MAKE_MENU(playback_settings,ID2P(LANG_PLAYBACK),0,
 #ifdef HAVE_DISK_STORAGE
           &buffer_margin,
 #endif
-          &fade_on_stop, &party_mode,
+          &fade_on_stop, &single_mode, &party_mode,
 
 #if defined(HAVE_CROSSFADE)
           &crossfade_settings_menu,

apps/pcmbuf.c

@@ -741,6 +741,9 @@ void pcmbuf_start_track_change(enum pcm_track_change_type type)
         }
     }
 
+    if (auto_skip && global_settings.single_mode && !global_settings.party_mode)
+        crossfade = false;
+
     if (crossfade)
     {
         logf("crossfade track change");

apps/playback.c

@@ -2396,6 +2396,14 @@ static void audio_finalise_track_change(void)
 
     id3_write(PLAYING_ID3, track_id3);
 
+    if (global_settings.single_mode)
+        if ( ((skip_pending == TRACK_SKIP_AUTO) || (skip_pending == TRACK_SKIP_AUTO_NEW_PLAYLIST))
+          && (global_settings.party_mode == 0) )
+        {
+            play_status = PLAY_PAUSED;
+            pcmbuf_pause(true);
+        }
+
     /* The skip is technically over */
     skip_pending = TRACK_SKIP_NONE;
 

apps/settings.h

@@ -476,6 +476,7 @@ struct user_settings
     int default_codepage;   /* set default codepage for tag conversion */
     bool hold_lr_for_scroll_in_list; /* hold L/R scrolls the list left/right */
     bool play_selected; /* Plays selected file even in shuffle mode */
+    bool single_mode;    /* single mode - stop after every track */
     bool party_mode;    /* party mode - unstoppable music */
     bool audioscrobbler; /* Audioscrobbler logging  */
     bool cuesheet;

apps/settings_list.c

@@ -1238,6 +1238,7 @@ const struct settings_list settings[] = {
 #endif
     /* more playback */
     OFFON_SETTING(0,play_selected,LANG_PLAY_SELECTED,true,"play selected",NULL),
+    OFFON_SETTING(0,single_mode,LANG_SINGLE_MODE,false,"single mode",NULL),
     OFFON_SETTING(0,party_mode,LANG_PARTY_MODE,false,"party mode",NULL),
     OFFON_SETTING(0,fade_on_stop,LANG_FADE_ON_STOP,true,"volume fade",NULL),
     INT_SETTING(F_TIME_SETTING, ff_rewind_min_step, LANG_FFRW_STEP, 1,

manual/configure_rockbox/playback_options.tex

@@ -82,6 +82,11 @@ you to configure settings related to audio playback.
   set to \setting{Yes}, your music will fade out when you stop or pause 
   playback, and fade in when you resume playback.
     
+\section{Single Mode}
+  If the Single Mode  option is  set to \setting{Yes}, your music
+  will pause at every automatic track change. Crossfade on track
+  change will be ignored if this setting is enabled.
+
 \section{Party Mode}
   Enables unstoppable music playback. When new songs are
   selected, they are queued at the end of the current dynamic playlist