Iriver: Added new ReplayGain type: track gain if shuffle mode is active, album gain otherwise. Properly apply ReplayGain settings on config file load. Bumped config version, so save your settings.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7558 a1c6a512-1295-4272-9138-f99709370657

apps/dsp.c

@@ -708,11 +708,16 @@ void dsp_set_replaygain(bool always)
 
         if (global_settings.replaygain || global_settings.replaygain_noclip)
         {
-            long peak;
+            bool track_mode
+                = ((global_settings.replaygain_type == REPLAYGAIN_TRACK)
+                    || ((global_settings.replaygain_type == REPLAYGAIN_SHUFFLE)
+                        && global_settings.playlist_shuffle));
+            long peak = (track_mode || !dsp->album_peak)
+                ? dsp->track_peak : dsp->album_peak;
 
             if (global_settings.replaygain)
             {
-                gain = (global_settings.replaygain_track || !dsp->album_gain)
+                gain = (track_mode || !dsp->album_gain)
                     ? dsp->track_gain : dsp->album_gain;
 
                 if (global_settings.replaygain_preamp)
@@ -720,13 +725,10 @@ void dsp_set_replaygain(bool always)
                     long preamp = get_replaygain_int(
                         global_settings.replaygain_preamp * 10);
 
-                    gain = (long) ((((int64_t) gain * preamp)) >> 24);
+                    gain = (long) (((int64_t) gain * preamp) >> 24);
                 }
             }
 
-            peak = (global_settings.replaygain_track || !dsp->album_peak)
-                ? dsp->track_peak : dsp->album_peak;
-
             if (gain == 0)
             {
                 /* So that noclip can work even with no gain information. */

apps/lang/english.lang

@@ -3292,3 +3292,9 @@ desc: repeat one song
 eng: "A-B"
 voice: "A-B"
 new:
+
+id: LANG_SHUFFLE_GAIN
+desc: use track gain if shuffle mode is on, album gain otherwise
+eng: "Track gain if shuffling"
+voice: "Track gain if shuffling"
+new:

apps/screens.c

@@ -53,6 +53,9 @@
 #ifdef HAVE_MMC
 #include "ata_mmc.h"
 #endif
+#if CONFIG_CODEC == SWCODEC
+#include "dsp.h"
+#endif
 
 #ifdef HAVE_LCD_BITMAP
 #define SCROLLBAR_WIDTH  6
@@ -661,6 +664,8 @@ bool quick_screen(int context, int button)
 
                 if(audio_status() & AUDIO_STATUS_PLAY)
                 {
+                    dsp_set_replaygain(true);
+                    
                     if (global_settings.playlist_shuffle)
                         playlist_randomise(NULL, current_tick, true);
                     else

apps/settings.c

@@ -77,9 +77,10 @@ const char rec_base_directory[] = REC_BASE_DIR;
 #if CONFIG_CODEC == SWCODEC
 #include "pcmbuf.h"
 #include "pcm_playback.h"
+#include "dsp.h"
 #endif
 
-#define CONFIG_BLOCK_VERSION 27
+#define CONFIG_BLOCK_VERSION 28
 #define CONFIG_BLOCK_SIZE 512
 #define RTC_BLOCK_SIZE 44
 
@@ -432,7 +433,8 @@ static const struct bit_entry hd_bits[] =
 #if CONFIG_CODEC == SWCODEC
     {2, S_O(crossfade), 0, "crossfade type", "off,crossfade,mix"},
     {1, S_O(replaygain), false, "replaygain", off_on },
-    {1, S_O(replaygain_track), false, "replaygain type", "track,album" },
+    {2, S_O(replaygain_type), REPLAYGAIN_ALBUM, "replaygain type", 
+        "track,album,track shuffle" },
     {1, S_O(replaygain_noclip), false, "replaygain noclip", off_on },
     {8 | SIGNED, S_O(replaygain_preamp), 0, "replaygain preamp", NULL },
     {2, S_O(beep), 0, "off,weak,moderate,strong", NULL },
@@ -879,6 +881,7 @@ void settings_apply(void)
 
 #if CONFIG_CODEC == SWCODEC
     audio_set_crossfade(global_settings.crossfade);
+    dsp_set_replaygain(true);
 #endif
 
 #ifdef HAVE_SPDIF_POWER

apps/settings.h

@@ -333,8 +333,9 @@ struct user_settings
 
 #if CONFIG_CODEC == SWCODEC
     bool replaygain;        /* enable replaygain */
-    bool replaygain_track;  /* true for track gain, false for album gain */
     bool replaygain_noclip; /* scale to prevent clips */
+    int  replaygain_type;   /* 0=track gain, 1=album gain, 2=track gain if
+                               shuffle is on, album gain otherwise */
     int  replaygain_preamp; /* scale replaygained tracks by this */
     int  beep;              /* system beep volume when changing tracks etc. */
 #endif
@@ -427,4 +428,7 @@ enum { SHOW_ALL, SHOW_SUPPORTED, SHOW_MUSIC, SHOW_PLAYLIST, SHOW_ID3DB,
 /* recursive dir insert options */
 enum { RECURSE_OFF, RECURSE_ON, RECURSE_ASK };
 
+/* replaygain types */
+enum { REPLAYGAIN_TRACK = 0, REPLAYGAIN_ALBUM, REPLAYGAIN_SHUFFLE };
+
 #endif /* __SETTINGS_H__ */

apps/settings_menu.c

@@ -1184,11 +1184,13 @@ static bool replaygain(void)
 
 static bool replaygain_mode(void)
 {
-    bool result = set_bool_options(str(LANG_REPLAYGAIN_MODE), 
+    static const struct opt_items names[] = {
-        &global_settings.replaygain_track, 
+        { STR(LANG_TRACK_GAIN) },
-        STR(LANG_TRACK_GAIN), 
+        { STR(LANG_ALBUM_GAIN) },
-        STR(LANG_ALBUM_GAIN), 
+        { STR(LANG_SHUFFLE_GAIN) },
-        NULL);
+    };
+    bool result = set_option(str(LANG_REPLAYGAIN_MODE),
+        &global_settings.replaygain_type, INT, names, 3, NULL);
 
     dsp_set_replaygain(true);
     return result;
@@ -1294,6 +1296,8 @@ static bool playback_settings_menu(void)
     if ((old_shuffle != global_settings.playlist_shuffle) 
         && (audio_status() & AUDIO_STATUS_PLAY))
     {
+        dsp_set_replaygain(true);
+
         if (global_settings.playlist_shuffle)
         {
             playlist_randomise(NULL, current_tick, true);