12 files changed, 74 insertions, 24 deletions

diff --git a/apps/filetree.c b/apps/filetree.c
index 4e7c2745b4..2edcaf3a03 100644
--- a/apps/filetree.c
+++ b/apps/filetree.c
@@ -703,6 +703,8 @@ int ft_enter(struct tree_context* c)
             /* the resume_index must always be the index in the
                shuffled list in case shuffle is enabled */
             global_status.resume_index = start_index;
+            global_status.resume_crc32 =
+                playlist_get_filename_crc32(NULL, start_index);
             global_status.resume_offset = 0;
             status_save();
             rc = GO_TO_WPS;
diff --git a/apps/playlist.c b/apps/playlist.c
index c5e2e83462..35b7e35baa 100755
--- a/apps/playlist.c
+++ b/apps/playlist.c
@@ -2514,6 +2514,44 @@ int playlist_shuffle(int random_seed, int start_index)
     return playlist->index;
 }
 
+/* returns the crc32 of the filename of the track at the specified index */
+unsigned int playlist_get_filename_crc32(struct playlist_info *playlist,
+                                         int index)
+{
+    struct playlist_track_info track_info;
+    if (playlist_get_track_info(playlist, index, &track_info) == -1)
+        return -1;
+
+    return crc_32(track_info.filename, strlen(track_info.filename), -1);
+}
+
+/* resume a playlist track with the given crc_32 of the track name. */
+void playlist_resume_track(int start_index, unsigned int crc, int offset)
+{
+    int i;
+    unsigned int tmp_crc;
+    struct playlist_info* playlist = &current_playlist;
+    tmp_crc = playlist_get_filename_crc32(playlist, start_index);
+    if (tmp_crc == crc)
+    {
+        playlist_start(start_index, offset);
+        return;
+    }
+
+    for (i = 0 ; i < playlist->amount; i++)
+    {
+        tmp_crc = playlist_get_filename_crc32(playlist, i);
+        if (tmp_crc == crc)
+        {
+            playlist_start(i, offset);
+            return;
+        }
+    }
+
+    /* If we got here the file wasnt found, so start from the beginning */
+    playlist_start(0,0);
+}
+
 /* start playing current playlist at specified index/offset */
 void playlist_start(int start_index, int offset)
 {
@@ -2726,7 +2764,9 @@ int playlist_update_resume_info(const struct mp3entry* id3)
         if (global_status.resume_index  != playlist->index ||
             global_status.resume_offset != id3->offset)
         {
+            unsigned int crc = crc_32(id3->path, strlen(id3->path), -1);
             global_status.resume_index  = playlist->index;
+            global_status.resume_crc32 = crc;
             global_status.resume_offset = id3->offset;
             status_save();
         }
@@ -2734,6 +2774,7 @@ int playlist_update_resume_info(const struct mp3entry* id3)
     else
     {
         global_status.resume_index  = -1;
+        global_status.resume_crc32 = -1;
         global_status.resume_offset = -1;
         status_save();
     }
diff --git a/apps/playlist.h b/apps/playlist.h
index d19d9a792a..d80d8aa2ee 100644
--- a/apps/playlist.h
+++ b/apps/playlist.h
@@ -131,6 +131,9 @@ int playlist_create(const char *dir, const char *file);
 int playlist_resume(void);
 int playlist_add(const char *filename);
 int playlist_shuffle(int random_seed, int start_index);
+unsigned int playlist_get_filename_crc32(struct playlist_info *playlist,
+                                         int index);
+void playlist_resume_track(int start_index, unsigned int crc, int offset);
 void playlist_start(int start_index, int offset);
 bool playlist_check(int steps);
 const char *playlist_peek(int steps, char* buf, size_t buf_size);
diff --git a/apps/plugin.c b/apps/plugin.c
index 9992d85620..24443b58d9 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -155,6 +155,9 @@ static const struct plugin_api rockbox_api = {
     lcd_double_height,
 #else
     &lcd_static_framebuffer[0][0],
+    lcd_set_viewport,
+    lcd_set_framebuffer,
+    lcd_bmp_part,
     lcd_update_rect,
     lcd_set_drawmode,
     lcd_get_drawmode,
@@ -287,6 +290,7 @@ static const struct plugin_api rockbox_api = {
 #ifdef HAVE_LCD_BITMAP
     viewportmanager_theme_enable,
     viewportmanager_theme_undo,
+    viewport_set_fullscreen,
 #endif
     
     /* list */
@@ -583,6 +587,7 @@ static const struct plugin_api rockbox_api = {
     mixer_channel_stop,
     mixer_channel_set_amplitude,
     mixer_channel_get_bytes_waiting,
+    mixer_channel_set_buffer_hook,
 
     system_sound_play,
     keyclick_click,
@@ -590,6 +595,7 @@ static const struct plugin_api rockbox_api = {
     /* playback control */
     playlist_amount,
     playlist_resume,
+    playlist_resume_track,
     playlist_start,
     playlist_add,
     playlist_sync,
@@ -792,14 +798,6 @@ static const struct plugin_api rockbox_api = {
     /* new stuff at the end, sort into place next time
        the API gets incompatible */
 
-#ifdef HAVE_LCD_BITMAP
-#if CONFIG_CODEC == SWCODEC
-    mixer_channel_set_buffer_hook,
-#endif
-    lcd_set_viewport,
-    viewport_set_fullscreen,
-    lcd_set_framebuffer,
-#endif
 };
 
 int plugin_load(const char* plugin, const void* parameter)
diff --git a/apps/plugin.h b/apps/plugin.h
index b34a5cf0de..cc00b9c60e 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -207,6 +207,10 @@ struct plugin_api {
     void (*lcd_double_height)(bool on);
 #else /* HAVE_LCD_BITMAP */
     fb_data* lcd_framebuffer;
+    void (*lcd_set_viewport)(struct viewport* vp);
+    void (*lcd_set_framebuffer)(fb_data *fb);
+    void (*lcd_bmp_part)(const struct bitmap *bm, int src_x, int src_y,
+                         int x, int y, int width, int height);
     void (*lcd_update_rect)(int x, int y, int width, int height);
     void (*lcd_set_drawmode)(int mode);
     int  (*lcd_get_drawmode)(void);
@@ -372,6 +376,8 @@ struct plugin_api {
     void (*viewportmanager_theme_enable)(enum screen_type screen, bool enable,
                                          struct viewport *viewport);
     void (*viewportmanager_theme_undo)(enum screen_type screen, bool force_redraw);
+    void (*viewport_set_fullscreen)(struct viewport *vp,
+                                    const enum screen_type screen);
 #endif
     /* list */
     void (*gui_synclist_init)(struct gui_synclist * lists,
@@ -707,6 +713,8 @@ struct plugin_api {
     void (*mixer_channel_set_amplitude)(enum pcm_mixer_channel channel,
                                         unsigned int amplitude);
     size_t (*mixer_channel_get_bytes_waiting)(enum pcm_mixer_channel channel);
+    void (*mixer_channel_set_buffer_hook)(enum pcm_mixer_channel channel,
+                                          chan_buffer_hook_fn_type fn);
 
     void (*system_sound_play)(enum system_sound sound);
     void (*keyclick_click)(bool rawbutton, int action);
@@ -715,6 +723,7 @@ struct plugin_api {
     /* playback control */
     int (*playlist_amount)(void);
     int (*playlist_resume)(void);
+    void (*playlist_resume_track)(int start_index, unsigned int crc, int offset);
     void (*playlist_start)(int start_index, int offset);
     int (*playlist_add)(const char *filename);
     void (*playlist_sync)(struct playlist_info* playlist);
@@ -961,16 +970,6 @@ struct plugin_api {
     /* new stuff at the end, sort into place next time
        the API gets incompatible */
 
-#ifdef HAVE_LCD_BITMAP
-#if CONFIG_CODEC == SWCODEC
-    void (*mixer_channel_set_buffer_hook)(enum pcm_mixer_channel channel,
-                                          chan_buffer_hook_fn_type fn);
-#endif
-    void (*lcd_set_viewport)(struct viewport* vp);
-    void (*viewport_set_fullscreen)(struct viewport *vp,
-                                    const enum screen_type screen);
-    void (*lcd_set_framebuffer)(fb_data *fb);
-#endif
 };
 
 /* plugin header */
diff --git a/apps/plugins/alarmclock.c b/apps/plugins/alarmclock.c
index 604c9ceac4..126b837390 100644
--- a/apps/plugins/alarmclock.c
+++ b/apps/plugins/alarmclock.c
@@ -107,7 +107,8 @@ static void play(void)
     int audio_status = rb->audio_status();
     if (!audio_status && rb->global_status->resume_index != -1) {
         if (rb->playlist_resume() != -1) {
-            rb->playlist_start(rb->global_status->resume_index,
+            rb->playlist_resume_track(rb->global_status->resume_index,
+                rb->global_status->resume_crc32,
                 rb->global_status->resume_offset);
         }
     }
diff --git a/apps/plugins/lib/playback_control.c b/apps/plugins/lib/playback_control.c
index 7c28230642..47921e52f2 100644
--- a/apps/plugins/lib/playback_control.c
+++ b/apps/plugins/lib/playback_control.c
@@ -37,7 +37,8 @@ static bool play(void)
     {
         if (rb->playlist_resume() != -1)
         {
-            rb->playlist_start(rb->global_status->resume_index,
+            rb->playlist_resume_track(rb->global_status->resume_index,
+                rb->global_status->resume_crc32,
                 rb->global_status->resume_offset);
         }
     }
diff --git a/apps/plugins/lrcplayer.c b/apps/plugins/lrcplayer.c
index 97385ff047..051d7adbb2 100644
--- a/apps/plugins/lrcplayer.c
+++ b/apps/plugins/lrcplayer.c
@@ -2682,7 +2682,8 @@ static int handle_button(void)
             {
                 if (rb->playlist_resume() != -1)
                 {
-                    rb->playlist_start(rb->global_status->resume_index,
+                    rb->playlist_resume_track(rb->global_status->resume_index,
+                        rb->global_status->resume_crc32,
                         rb->global_status->resume_offset);
                 }
             }
diff --git a/apps/root_menu.c b/apps/root_menu.c
index 2c72cc47f7..d03fee35f7 100644
--- a/apps/root_menu.c
+++ b/apps/root_menu.c
@@ -297,12 +297,14 @@ static int wpsscrn(void* param)
     }
     else if ( global_status.resume_index != -1 )
     {
-        DEBUGF("Resume index %X offset %lX\n",
+        DEBUGF("Resume index %X crc32 %lX offset %lX\n",
                global_status.resume_index,
+               (unsigned long)global_status.resume_crc32,
                (unsigned long)global_status.resume_offset);
         if (playlist_resume() != -1)
         {
-            playlist_start(global_status.resume_index,
+            playlist_resume_track(global_status.resume_index,
+                global_status.resume_crc32,
                 global_status.resume_offset);
             ret_val = gui_wps_show();
         }
diff --git a/apps/settings.h b/apps/settings.h
index 2af29ce423..53ad70b24f 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -262,6 +262,7 @@ bool set_option(const char* string, const void* variable, enum optiontype type,
 struct system_status
 {
     int resume_index;  /* index in playlist (-1 for no active resume) */
+    uint32_t resume_crc32; /* crc32 of the name of the file */
     uint32_t resume_offset; /* byte offset in mp3 file */
     int runtime;       /* current runtime since last charge */
     int topruntime;    /* top known runtime */
diff --git a/apps/settings_list.c b/apps/settings_list.c
index f27c13c4f1..ef9fe50ece 100644
--- a/apps/settings_list.c
+++ b/apps/settings_list.c
@@ -721,6 +721,7 @@ const struct settings_list settings[] = {
     /* playback */
     OFFON_SETTING(0, playlist_shuffle, LANG_SHUFFLE, false, "shuffle", NULL),
     SYSTEM_SETTING(NVRAM(4), resume_index, -1),
+    SYSTEM_SETTING(NVRAM(4), resume_crc32, -1),
     SYSTEM_SETTING(NVRAM(4), resume_offset, -1),
     CHOICE_SETTING(0, repeat_mode, LANG_REPEAT, REPEAT_OFF, "repeat",
                    "off,all,one,shuffle"
diff --git a/apps/settings_list.h b/apps/settings_list.h
index 9f1805f169..5cefcf6dc2 100644
--- a/apps/settings_list.h
+++ b/apps/settings_list.h
@@ -142,7 +142,7 @@ struct custom_setting {
 
 #define F_NVRAM_BYTES_MASK     0xE0000 /*0-4 bytes can be stored */
 #define F_NVRAM_MASK_SHIFT     17
-#define NVRAM_CONFIG_VERSION 6
+#define NVRAM_CONFIG_VERSION 7
 /* Above define should be bumped if
 - a new NVRAM setting is added between 2 other NVRAM settings
 - number of bytes for a NVRAM setting is changed