A step towards WPS

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1184 a1c6a512-1295-4272-9138-f99709370657

7 files changed, 145 insertions, 56 deletions

diff --git a/apps/tree.c b/apps/tree.c
index a1af9bc..b43c1d7 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -34,6 +34,7 @@
 #include "mpeg.h"
 #include "playlist.h"
 #include "menu.h"
+#include "wps.h"
 
 #ifdef HAVE_LCD_BITMAP
 #include "icons.h"
@@ -198,31 +199,31 @@ char* peek_next_track(int type)
         return NULL;
 
     switch(playing) {
-    default:
-    case 1:
-      /* play-full-dir mode */
+        default:
+        case 1:
+            /* play-full-dir mode */
       
-      /* get next track in dir */
-      while (dircursor + start + 1 < numentries ) {
-          if(dircursor+1 < TREE_MAX_ON_SCREEN)
-            dircursor++;
-          else
-            start++;
-          if ( dircacheptr[dircursor+start]->file &&
-               dircacheptr[dircursor+start]->name[strlen(dircacheptr[dircursor+start]->name)-1] == '3') {
-              snprintf(buf,sizeof buf,"%s/%s",
-                       currdir, dircacheptr[dircursor+start]->name );
-              lcd_clear_display();
-              lcd_puts(0,0,"<Playing>");
-              lcd_puts(0,1,"<all files>");
-              return buf;
-          }
-      }
-      break;
+            /* get next track in dir */
+            while (dircursor + start + 1 < numentries ) {
+                if(dircursor+1 < TREE_MAX_ON_SCREEN)
+                    dircursor++;
+                else
+                    start++;
+                if ( dircacheptr[dircursor+start]->file &&
+                     dircacheptr[dircursor+start]->name[strlen(dircacheptr[dircursor+start]->name)-1] == '3') {
+                    snprintf(buf,sizeof buf,"%s/%s",
+                             currdir, dircacheptr[dircursor+start]->name );
+                    lcd_clear_display();
+                    lcd_puts(0,0,"<Playing>");
+                    lcd_puts(0,1,"<all files>");
+                    return buf;
+                }
+            }
+            break;
       
-    case 2:
-      /* playlist mode */
-      return playlist_next(type);
+        case 2:
+            /* playlist mode */
+            return playlist_next(type);
     }
 
     return NULL;
@@ -246,6 +247,7 @@ bool dirbrowse(char *root)
     lcd_update();
 
     while(1) {
+        bool restore = false;
         button = button_get(true);
 
         switch(button) {
@@ -267,8 +269,7 @@ bool dirbrowse(char *root)
                     }
                     else
                         start = dircursor = 0;
-                    numentries = showdir(currdir, start);
-                    put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
+                    restore = true;
                 }
                 else
                     mpeg_stop();
@@ -316,8 +317,7 @@ bool dirbrowse(char *root)
                         playing = 0;
                     }
                 }
-                numentries = showdir(currdir, start);  
-                put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
+                restore = true;
                 break;
                 
             case TREE_PREV:
@@ -354,20 +354,28 @@ bool dirbrowse(char *root)
             case TREE_MENU:
                 lcd_stop_scroll();
                 main_menu();
+                restore = true;
+                break;
 
-                /* restore display */
-                /* TODO: this is just a copy from BUTTON_STOP, fix it */
-                lcd_clear_display();
-                numentries = showdir(currdir, start);
-                put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
-
+            case BUTTON_ON:
+                wps_show();
+                restore = true;
                 break;
+
         }
 
-        lcd_stop_scroll();
-        if ( numentries )
-            lcd_puts_scroll(LINE_X, LINE_Y+dircursor,
-                            dircacheptr[start+dircursor]->name);
+        if ( restore ) {
+            /* restore display */
+            /* TODO: this is just a copy from BUTTON_STOP, fix it */
+            numentries = showdir(currdir, start);
+            put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
+        }
+        else {
+            lcd_stop_scroll();
+            if ( numentries )
+                lcd_puts_scroll(LINE_X, LINE_Y+dircursor,
+                                dircacheptr[start+dircursor]->name);
+        }
 
         lcd_update();
     }
diff --git a/apps/wps.c b/apps/wps.c
index fb878d6..bd23a28 100644
--- a/apps/wps.c
+++ b/apps/wps.c
@@ -29,6 +29,7 @@
 #include "sprintf.h"
 #include "settings.h"
 #include "wps.h"
+#include "mpeg.h"
 
 
 #define LINE_Y      1 /* initial line */
@@ -38,11 +39,12 @@
 #define PLAY_DISPLAY_TRACK_TITLE     2 
 
 /* demonstrates showing different formats from playtune */
-void wps_show_play(char* filename)
+void wps_show(void)
 {
-    struct mp3entry mp3;
-    mp3info(&mp3,filename);
+    struct mp3entry* id3 = mpeg_current_track();
+    static bool playing = true;
 
+    lcd_clear_display();
     switch ( global_settings.wps_display ) {
         case PLAY_DISPLAY_TRACK_TITLE:
         {
@@ -54,7 +56,7 @@ void wps_show_play(char* filename)
             char szBuff[257];
             szBuff[sizeof(szBuff)-1] = 0;
 
-            strncpy(szBuff, filename, sizeof(szBuff));
+            strncpy(szBuff, id3->path, sizeof(szBuff));
 
             szTok = strtok_r(szBuff, "/", &end);
             szTok = strtok_r(NULL, "/", &end);
@@ -62,7 +64,7 @@ void wps_show_play(char* filename)
             // Assume path format of: Genre/Artist/Album/Mp3_file
             strncpy(szArtist,szTok,sizeof(szArtist));
             szArtist[sizeof(szArtist)-1] = 0;
-            szDelimit = strrchr(filename, ch);
+            szDelimit = strrchr(id3->path, ch);
             lcd_puts(0,0, szArtist?szArtist:"<nothing>");
             lcd_puts_scroll(0,LINE_Y,(++szDelimit));
             break;
@@ -70,12 +72,12 @@ void wps_show_play(char* filename)
         case PLAY_DISPLAY_FILENAME_SCROLL:
         {
             char ch = '/';
-            char* szLast = strrchr(filename, ch);
+            char* szLast = strrchr(id3->path, ch);
 
             if (szLast)
                 lcd_puts_scroll(0,0, (++szLast));
             else
-                lcd_puts_scroll(0,0, mp3.path);
+                lcd_puts_scroll(0,0, id3->path);
 
             break;
         }
@@ -85,27 +87,46 @@ void wps_show_play(char* filename)
             char buffer[256];
 
             lcd_puts(0, 0, "[id3 info]");
-            lcd_puts(0, LINE_Y, mp3.title?mp3.title:"");
-            lcd_puts(0, LINE_Y+1, mp3.album?mp3.album:"");
-            lcd_puts(0, LINE_Y+2, mp3.artist?mp3.artist:"");
+            lcd_puts(0, LINE_Y, id3->title?id3->title:"");
+            lcd_puts(0, LINE_Y+1, id3->album?id3->album:"");
+            lcd_puts(0, LINE_Y+2, id3->artist?id3->artist:"");
 
-            snprintf(buffer,sizeof(buffer), "%d ms", mp3.length);
+            snprintf(buffer,sizeof(buffer), "%d ms", id3->length);
             lcd_puts(0, LINE_Y+3, buffer);
 
-            snprintf(buffer,sizeof(buffer), "%d kbits", mp3.bitrate);
+            snprintf(buffer,sizeof(buffer), "%d kbits", id3->bitrate);
 
             lcd_puts(0, LINE_Y+4, buffer);
 
-            snprintf(buffer,sizeof(buffer), "%d Hz", mp3.frequency);
+            snprintf(buffer,sizeof(buffer), "%d Hz", id3->frequency);
             lcd_puts(0, LINE_Y+5, buffer);
 #else
 
-            lcd_puts(0, 0, mp3.artist?mp3.artist:"<no artist>");
-            lcd_puts(0, 1, mp3.title?mp3.title:"<no title>");
+            lcd_puts(0, 0, id3->artist?id3->artist:"<no artist>");
+            lcd_puts(0, 1, id3->title?id3->title:"<no title>");
 #endif
             break;
         }
+    }
+    lcd_update();
+    while ( 1 ) {
+        switch ( button_get(true) ) {
+            case BUTTON_ON:
+                return;
 
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_PLAY:
+#else
+            case BUTTON_UP:
+#endif
+                if ( playing )
+                    mpeg_pause();
+                else
+                    mpeg_resume();
+
+                playing = !playing;
+                break;
+        }
     }
 }
 
diff --git a/apps/wps.h b/apps/wps.h
index 2bc6fbf..4963ffe 100644
--- a/apps/wps.h
+++ b/apps/wps.h
@@ -21,7 +21,7 @@
 #include "id3.h"
 #include "playlist.h" 
 
-void wps_show_play(char* filename);
+void wps_show(void);
 //void wps_show_playlist(char* current, playlist_info_t *list);
 
 #endif
diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index cce67db..41be070 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -29,6 +29,7 @@
 #include "panic.h"
 #include "file.h"
 #include "settings.h"
+#include "id3.h"
 
 #define MPEG_STACK_SIZE 0x2000
 #define MPEG_CHUNKSIZE  0x20000
@@ -141,6 +142,14 @@ static bool filling; /* We are filling the buffer with data from disk */
 
 static int mpeg_file;
 
+/* list of tracks in memory */
+#define MAX_ID3_TAGS 4
+static struct {
+    struct mp3entry id3;
+    int mempos;
+} id3tags[MAX_ID3_TAGS];
+static int last_tag = 0;
+
 static void create_fliptable(void)
 {
     int i;
@@ -271,6 +280,16 @@ void DEI3(void)
             last_dma_chunk_size = MIN(last_dma_chunk_size, space_until_end_of_buffer);
             DTCR3 = last_dma_chunk_size & 0xffff;
             SAR3 = (unsigned int)mp3buf + mp3buf_read;
+
+            /* will we move across the track boundary? */
+            if (( mp3buf_read <= id3tags[0].mempos ) &&
+                ( mp3buf_read + last_dma_chunk_size > id3tags[0].mempos )) {
+                /* shift array so index 0 is current track */
+                int i;
+                for (i=0; i<MAX_ID3_TAGS-1; i++)
+                    id3tags[i] = id3tags[i+1];
+                last_tag--;
+            }
         }
         else
         {
@@ -297,7 +316,15 @@ static int new_file(void)
     if ( !trackname )
         return -1;
 
-    debugf("playing %s\n", trackname);
+    DEBUGF("playing %s\n", trackname);
+
+    /* grab id3 tag of new file and remember where in memory it starts */
+    if ( last_tag < MAX_ID3_TAGS ) {
+        mp3info(&(id3tags[last_tag].id3), trackname);
+        id3tags[last_tag].mempos = mp3buf_write;
+        last_tag++;
+    }
+
     mpeg_file = open(trackname, O_RDONLY);
     if(mpeg_file < 0)
     {
@@ -307,6 +334,11 @@ static int new_file(void)
     return 0;
 }
 
+struct mp3entry* mpeg_current_track(void)
+{
+    return &(id3tags[0].id3);
+}
+
 static void mpeg_thread(void)
 {
     struct event ev;
@@ -344,6 +376,14 @@ static void mpeg_thread(void)
                     break;
                 }
                 
+                /* grab id3 tag of new file and
+                   remember where in memory it starts */
+                if ( last_tag < MAX_ID3_TAGS ) {
+                    mp3info(&(id3tags[last_tag].id3), ev.data);
+                    id3tags[last_tag].mempos = mp3buf_write;
+                    last_tag++;
+                }
+
                 /* Make it read more data */
                 filling = true;
                 queue_post(&mpeg_queue, MPEG_NEED_DATA, 0);
diff --git a/firmware/mpeg.h b/firmware/mpeg.h
index 493e5f5..54b760c 100644
--- a/firmware/mpeg.h
+++ b/firmware/mpeg.h
@@ -27,5 +27,6 @@ void mpeg_resume(void);
 void mpeg_volume(int percent);
 void mpeg_bass(int percent);
 void mpeg_treble(int percent);
+struct mp3entry* mpeg_current_track(void);
 
 #endif
diff --git a/uisimulator/x11/Makefile b/uisimulator/x11/Makefile
index 9681ad5..d3b446f 100644
--- a/uisimulator/x11/Makefile
+++ b/uisimulator/x11/Makefile
@@ -76,7 +76,7 @@ APPCFLAGS = $(DEBUG) $(DEFINES) $(APPINCLUDES) -W -Wall
 FIRMSRCS = chartables.c lcd.c sprintf.c id3.c debug.c settings.c
 
 APPS = main.c tree.c play.c menu.c credits.c main_menu.c\
-	playlist.c showtext.c
+	playlist.c showtext.c wps.c
 
 MENUS = games_menu.c screensavers_menu.c settings_menu.c sound_menu.c
 
@@ -182,6 +182,9 @@ $(OBJDIR)/boxes.o: $(RECDIR)/boxes.c
 $(OBJDIR)/main.o: $(APPDIR)/main.c
 	$(CC) $(APPCFLAGS) -c $< -o $@
 
+$(OBJDIR)/wps.o: $(APPDIR)/wps.c
+	$(CC) $(APPCFLAGS) -c $< -o $@
+
 $(OBJDIR)/bmp.o: $(RECDIR)/bmp.c
 	$(CC) $(APPCFLAGS) -c $< -o $@
 
diff --git a/uisimulator/x11/mpeg.c b/uisimulator/x11/mpeg.c
index 0f3680d..e1bce1e 100644
--- a/uisimulator/x11/mpeg.c
+++ b/uisimulator/x11/mpeg.c
@@ -16,11 +16,13 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
-
+#include <stdbool.h>
 #include "debug.h"
+#include "id3.h"
 
 /* This file is for emulating some of the mpeg controlling functions of 
    the target */
+static struct mp3entry dummy;
 
 void mpeg_volume(void)
 {
@@ -43,6 +45,20 @@ void mpeg_play(char *tune)
 {
   DEBUGF("We instruct the MPEG thread to play %s for us\n",
          tune);
+  mp3info(&dummy, tune);
+}
+
+void mpeg_pause(void)
+{
+}
+
+void mpeg_resume(void)
+{
 }
 
 #endif
+
+struct mp3entry* mpeg_current_track(void)
+{
+    return &dummy;
+}