playlist save/load: step 1
[melted_gui] / src / playlist.c
index 35c639f..287d964 100644 (file)
 #include <gdk/gdkkeysyms.h>
 #include <pthread.h>
 
-#include "omnplay.h"
+#include "playlist.h"
 #include "ui.h"
 #include "timecode.h"
+#include "library.h"
 
-static int load_file_ply(omnplay_instance_t* app, char* filename)
+extern GtkTargetEntry drag_targets[];
+
+static void playlist_get_selected_items_idx_iter
+(
+    GtkTreeModel *model,
+    GtkTreePath *path,
+    GtkTreeIter *iter,
+    gpointer data
+)
+{
+    int idx, l;
+    int **plist = (int**)data;
+    int *list = *plist;
+
+    gtk_tree_model_get(model, iter, 7, &idx, -1);
+
+    if(!list)
+    {
+        list = (int*)malloc(sizeof(int));
+        list[0] = -1;
+    };
+
+    /* find numbers of items in list */
+    for(l = 0; -1 != list[l]; l++);
+    g_warning("playlist_get_selected_items_idx_iter: l=%d", l);
+
+    /* realloc items */
+    list = (int*)realloc(list, (l + 2) * sizeof(int));
+
+    /* clean last item */
+    list[l + 1] = -1;
+
+    /* setup items */
+    list[l] = idx;
+
+    *plist = list;
+};
+
+int* playlist_get_selected_items_idx(instance_t* app, int *count)
+{
+    int* list = NULL, l = 0;
+    GtkTreeSelection *selection;
+
+    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->playlist_grid));
+    if(selection)
+    {
+        gtk_tree_selection_selected_foreach(
+            selection,
+            playlist_get_selected_items_idx_iter,
+            &list);
+
+        if(list)
+            for(l = 0; -1 != list[l]; l++);
+    };
+
+    *count = l;
+    return list;
+};
+
+
+static void playlist_drag_data_get_cb(GtkWidget *widget, GdkDragContext *context,
+    GtkSelectionData *selection_data, guint info, guint time, gpointer userdata)
+{
+    int *list, i, c;
+    playlist_item_t* items;
+    instance_t* app = (instance_t*)userdata;
+
+    g_warning("playlist_drag_data_get_cb");
+
+    list = playlist_get_selected_items_idx(app, &c);
+    if(!list) return;
+
+    /* clear delete flag */
+    for(i = 0; i < app->playlist.count; i++)
+        app->playlist.item[i].del = 0;
+
+    items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * c);
+    for(i = 0; i < c; i++)
+    {
+        items[i] = app->playlist.item[list[i]];
+        if(context->action == GDK_ACTION_MOVE)
+            app->playlist.item[list[i]].del = 1;
+    }
+    gtk_selection_data_set(selection_data, selection_data->target, 8,
+        (const guchar *)items, sizeof(playlist_item_t) * c);
+
+    free(items);
+    free(list);
+};
+
+static void playlist_drag_begin_cb(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
+{
+    g_warning("playlist_drag_begin_cb");
+    gtk_drag_source_set_icon_stock(widget, GTK_STOCK_DND);
+};
+
+static void playlist_drag_data_received(GtkWidget *widget, GdkDragContext *context,
+    gint x, gint y,  GtkSelectionData *selection_data,  guint info, guint time, gpointer userdata)
+{
+    int c, i, idx;
+    playlist_item_type_t t;
+    playlist_item_t* items;
+    GtkTreePath *path = NULL;
+    instance_t* app = (instance_t*)userdata;
+
+    g_warning("playlist_drag_data_received: context->action=%d", context->action);
+
+    items = (playlist_item_t*)gtk_selection_data_get_data(selection_data);
+    c = gtk_selection_data_get_length(selection_data);
+
+    if(c % sizeof(playlist_item_t))
+    {
+        g_warning("playlist_drag_data_received: ODD ITEMS");
+    }
+    else
+    {
+        c /= sizeof(playlist_item_t);
+
+        if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y, &path, NULL, NULL, NULL))
+        {
+            idx = gtk_tree_path_get_indices(path)[0];
+            gtk_tree_path_free(path);
+
+            g_warning("playlist_drag_data_received: gtk_tree_path_get_indice[0]=%d", idx);
+
+            /* normalize, FIX ME */
+            idx--; if(idx < 0) idx = 0;
+        }
+        else
+            idx = app->playlist.count;
+
+        g_warning("playlist_drag_data_received: idx=%d", idx);
+
+        if(playlist_insert_check(app, idx, &t))
+        {
+            for(i = 0; i < c; i++)
+            {
+                items[i].type = t;
+                items[i].error = 0;
+            };
+            playlist_insert_items(app, idx, items, c);
+        };
+    };
+
+    /* Finish the drag */
+    gtk_drag_finish(context, TRUE, FALSE, time);
+};
+
+static void playlist_drag_data_delete(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
+{
+    int c, i, *list;
+    instance_t* app = (instance_t*)userdata;
+
+    g_warning("playlist_drag_data_delete");
+
+    list = (int*)malloc(sizeof(int) * MAX_PLAYLIST_ITEMS);
+
+    for(i = 0, c = 0; i < app->playlist.count; i++)
+        if(app->playlist.item[i].del)
+            if(!playlist_idx_cued(app, i, NULL))
+            {
+                /* save index */
+                list[c++] = i;
+                g_warning("playlist_drag_data_delete: i=%d, c=%d", i, c);
+            };
+
+    if(c)
+        playlist_delete_items(app, list, c, 0);
+
+    free(list);
+};
+
+/*
+ * http://www.mail-archive.com/mahogany-users@lists.sourceforge.net/msg00286.html
+ */
+static gboolean playlist_drag_motion(GtkWidget *widget, GdkDragContext *context,
+    gint x, gint y, guint time, gpointer data)
+{
+    gboolean same;
+    GtkWidget *source_widget;
+
+    g_warning("playlist_grid_drag_motion");
+
+    /* Get source widget and check if it is the same as the
+     * destination widget.
+     */
+    source_widget = gtk_drag_get_source_widget(context);
+    same = ((source_widget == widget) ? TRUE : FALSE);
+
+    /* Put additional checks here, perhaps if same is FALSE then
+     * set the default drag to GDK_ACTION_COPY.
+     */
+
+    /* Say we just want to allow GDK_ACTION_MOVE, first we check
+     * if that is in the list of allowed actions on the dc. If
+     * so then we set it to that. Note if the user holds down the
+     * ctrl key then the only flag in dc->actions will be
+     * GDK_ACTION_COPY. The constraint for dc->actions is that
+     * specified from the given actions in gtk_drag_dest_set() and
+     * gtk_drag_source_set().
+     */
+    if(same)
+    {
+        if(context->actions == GDK_ACTION_MOVE)
+            gdk_drag_status(context, GDK_ACTION_COPY, time);
+        else
+            gdk_drag_status(context, GDK_ACTION_MOVE, time);
+    }
+    else
+        gdk_drag_status(context, context->actions, time);
+
+    return(TRUE);
+}
+
+
+int playlist_item_index(instance_t* app, int start, int int_idx)
+{
+    if(start < 0 || start >= app->playlist.count)
+        return -1;
+
+    while(1)
+    {
+        if(app->playlist.item[start].int_idx == int_idx)
+            return start;
+
+        if(app->playlist.item[start].type & PLAYLIST_BLOCK_END)
+            break;
+
+        start++;
+    };
+
+    return -1;
+};
+
+
+void playlist_init(instance_t* app)
+{
+    gtk_drag_source_set(app->playlist_grid, GDK_BUTTON1_MASK,
+        drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
+
+    gtk_drag_dest_set(app->playlist_grid, (GtkDestDefaults)(GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
+        drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
+
+    g_signal_connect (app->playlist_grid, "drag_data_get", G_CALLBACK(playlist_drag_data_get_cb), app);
+    g_signal_connect (app->playlist_grid, "drag_begin", G_CALLBACK(playlist_drag_begin_cb), app);
+    g_signal_connect (app->playlist_grid, "drag_data_received", G_CALLBACK (playlist_drag_data_received), app);
+    g_signal_connect (app->playlist_grid, "drag_data_delete", G_CALLBACK (playlist_drag_data_delete), app);
+    g_signal_connect (app->playlist_grid, "drag_motion", G_CALLBACK (playlist_drag_motion), app);
+};
+
+void playlist_release(instance_t* app)
+{
+};
+
+int playlist_idx_cued(instance_t* app, int idx, int* player_idx)
+{
+    int i;
+
+    for(i = 0; i < app->players.count; i++)
+    {
+        int a, b;
+
+        a = app->players.item[i].playlist_start;
+        b = app->players.item[i].playlist_length;
+
+        if(b <= 0)
+            continue;
+
+        b = a + b - 1;
+
+        if(idx >= a && idx <= b)
+        {
+            if(player_idx)
+                *player_idx = i;
+            return 1;
+        };
+    };
+
+    return 0;
+};
+
+int playlist_range_cued(instance_t* app, int start, int stop)
+{
+    int i;
+
+    for(i = start; i <= stop; i++)
+        if(playlist_idx_cued(app, i, NULL))
+            return 1;
+
+    return 0;
+};
+
+void playlist_block(instance_t* app, int loop)
+{
+    int start, stop, i, c;
+    int* list = playlist_get_selected_items_idx(app, &c);
+
+    if(!list)
+        return;
+
+    pthread_mutex_lock(&app->playlist.lock);
+    pthread_mutex_lock(&app->players.lock);
+
+    start = list[0];
+    stop = list[c - 1];
+
+    if(loop)
+        loop = PLAYLIST_BLOCK_LOOP;
+
+    if(!playlist_range_cued(app, start, stop))
+    {
+        /* update selected item */
+        for(i = start; i <= stop; i++)
+        {
+            int t = PLAYLIST_BLOCK_BODY | loop;
+
+            if(i == start)      t |= PLAYLIST_BLOCK_BEGIN;
+            if(i == stop)       t |= PLAYLIST_BLOCK_END;
+
+            app->playlist.item[i].type = (playlist_item_type_t)t;
+
+            ui_playlist_draw_item(app, i);
+        };
+
+        /* update border items */
+        if(start && !(app->playlist.item[start - 1].type & PLAYLIST_BLOCK_END))
+        {
+            app->playlist.item[start - 1].type = (playlist_item_type_t)(PLAYLIST_BLOCK_END
+                | app->playlist.item[start - 1].type);
+            ui_playlist_draw_item(app, start - 1);
+        };
+        if((stop + 1) < app->playlist.count && !(app->playlist.item[stop + 1].type & PLAYLIST_BLOCK_BEGIN))
+        {
+            app->playlist.item[stop + 1].type = (playlist_item_type_t)(PLAYLIST_BLOCK_BEGIN
+                | app->playlist.item[stop + 1].type);
+            ui_playlist_draw_item(app, stop + 1);
+        };
+    }
+    else
+        g_warning("omnplay_playlist_block: range [%d %d] do OVERLAP player\n",
+            start, stop);
+
+    pthread_mutex_unlock(&app->players.lock);
+    pthread_mutex_unlock(&app->playlist.lock);
+
+    free(list);
+};
+
+int playlist_get_first_selected_item_idx(instance_t* app)
+{
+    int idx, c;
+    int* list = playlist_get_selected_items_idx(app, &c);
+    if(!list)
+        return -1;
+    idx = list[0];
+    free(list);
+    return idx;
+};
+
+int playlist_get_block(instance_t* app, int idx, int* pstart, int* pstop)
+{
+    int start, stop;
+
+    for(start = idx; start >= 0; start--)
+        if(app->playlist.item[start].type & PLAYLIST_BLOCK_BEGIN)
+            break;
+
+    for(stop = idx; stop < app->playlist.count; stop++)
+        if(app->playlist.item[stop].type & PLAYLIST_BLOCK_END)
+            break;
+
+    g_warning("playlist_get_block: range %d -> %d\n", start, stop);
+
+    /* check block range */
+    if(start >= 0 && stop < app->playlist.count)
+    {
+        *pstart = start;
+        *pstop = stop;
+        return (stop - start + 1);
+    };
+
+    return -1;
+};
+
+player_t *playlist_get_player_at_pos(instance_t* app, int pos)
+{
+    /* check player range */
+    if(app->playlist.item[pos].player > -1 && app->playlist.item[pos].player < app->players.count)
+        return &app->players.item[app->playlist.item[pos].player];
+
+    return NULL;
+};
+
+void playlist_delete_items(instance_t* app, int* idxs, int count, int sel)
+{
+    int i, j, idx;
+
+    pthread_mutex_lock(&app->playlist.lock);
+    pthread_mutex_lock(&app->players.lock);
+
+    for(j = 0; j < count; j++)
+    {
+        idx = idxs[j] - j;
+
+        /* fix block types */
+        if( app->playlist.item[idx].type != PLAYLIST_ITEM_BLOCK_BODY &&
+            app->playlist.item[idx].type != PLAYLIST_ITEM_LOOP_BODY)
+        {
+            if(idx)
+                app->playlist.item[idx - 1].type = (playlist_item_type_t)(app->playlist.item[idx - 1].type |
+                    PLAYLIST_BLOCK_END);
+            if(idx + 1 < app->playlist.count)
+                app->playlist.item[idx + 1].type = (playlist_item_type_t)(app->playlist.item[idx + 1].type |
+                    PLAYLIST_BLOCK_BEGIN);
+        };
+
+        /* shift playlist items */
+        memmove
+        (
+            &app->playlist.item[idx],
+            &app->playlist.item[idx + 1],
+            (app->playlist.count - idx - 1) * sizeof(playlist_item_t)
+        );
+
+        /* decrement items count */
+        app->playlist.count--;
+
+        /* increment servers indexes */
+        for(i = 0; i < app->players.count; i++)
+            if(app->players.item[i].playlist_start >= idx)
+                app->players.item[i].playlist_start--;
+    };
+
+    /* redraw playlist */
+    ui_playlist_draw(app);
+
+    /* select */
+    if(sel)
+        ui_playlist_select_item(app, idxs[0]);
+
+    pthread_mutex_unlock(&app->players.lock);
+    pthread_mutex_unlock(&app->playlist.lock);
+};
+
+void playlist_delete_selected_items(instance_t* app)
+{
+    int i, cnt1, cnt2;
+    int *list1, *list2;
+
+    list1 = playlist_get_selected_items_idx(app, &cnt1);
+    if(!list1) return;
+
+    list2 = (int*)malloc(sizeof(int) * cnt1);
+
+    for(i = 0, cnt2 = 0; i < cnt1; i++)
+    {
+        /* check for playing block */
+        if(playlist_idx_cued(app, list1[i], NULL))
+            continue;
+
+        /* save index */
+        list2[cnt2++] = list1[i];
+    };
+
+    if(cnt2)
+        playlist_delete_items(app, list2, cnt2, 1);
+
+    free(list2);
+    free(list1);
+};
+
+int playlist_insert_check(instance_t* app, int idx, playlist_item_type_t* t)
+{
+    *t = PLAYLIST_ITEM_BLOCK_SINGLE;
+
+    /* before or after playlist */
+    if(!idx || idx == app->playlist.count)
+        return 1;
+
+    /* check for block borders */
+    if( app->playlist.item[idx - 1].type & PLAYLIST_BLOCK_END &&
+        app->playlist.item[idx + 0].type & PLAYLIST_BLOCK_BEGIN)
+        return 1;
+
+    /* check for playing block */
+    if(playlist_idx_cued(app, idx, NULL))
+        return 0;
+
+    if(app->playlist.item[idx].type & PLAYLIST_BLOCK_LOOP)
+        *t = PLAYLIST_ITEM_LOOP_BODY;
+    else
+        *t = PLAYLIST_ITEM_BLOCK_BODY;
+
+    return 1;
+};
+
+void playlist_insert_items(instance_t* app, int idx, playlist_item_t* items, int count)
+{
+    int i;
+
+    pthread_mutex_lock(&app->playlist.lock);
+    pthread_mutex_lock(&app->players.lock);
+
+    /* shift playlist items */
+    memmove
+    (
+        &app->playlist.item[idx + count],
+        &app->playlist.item[idx],
+        (app->playlist.count - idx) * sizeof(playlist_item_t)
+    );
+
+    /* copy new items */
+    memcpy
+    (
+        &app->playlist.item[idx],
+        items,
+        count * sizeof(playlist_item_t)
+    );
+
+    /* increment servers indexes */
+    for(i = 0; i < app->players.count; i++)
+        if(app->players.item[i].playlist_start >= idx)
+            app->players.item[i].playlist_start += idx;
+
+    /* increment items count */
+    app->playlist.count += count;
+
+    /* redraw playlist */
+    ui_playlist_draw(app);
+
+    /* select */
+    ui_playlist_select_item(app, idx);
+
+    pthread_mutex_unlock(&app->players.lock);
+    pthread_mutex_unlock(&app->playlist.lock);
+};
+
+void playlist_item_copy(instance_t* app)
+{
+    int *list, i, c;
+
+    list = playlist_get_selected_items_idx(app, &c);
+    if(!list) return;
+
+    for(i = 0; i < c; i++)
+        app->clipboard.item[i] = app->playlist.item[list[i]];
+    app->clipboard.count = c;
+
+    free(list);
+};
+
+void playlist_item_paste(instance_t* app, int after)
+{
+    int idx, i;
+    playlist_item_type_t t;
+
+    /* find insert position */
+    idx = playlist_get_first_selected_item_idx(app);
+    if(idx < 0)
+        idx = 0;
+    else
+        idx += (after)?1:0;
+
+    if(!playlist_insert_check(app, idx, &t))
+        return;
+
+    /* clear item */
+    if(app->clipboard.count)
+    {
+        for(i = 0; i < app->clipboard.count; i++)
+        {
+            app->clipboard.item[i].type = t;
+            app->clipboard.item[i].error = 0;
+        };
+        playlist_insert_items(app, idx, app->clipboard.item, app->clipboard.count);
+    };
+};
+
+void playlist_item_swap(instance_t* app, int dir)
+{
+    int sel, a, b, e = 1;
+    playlist_item_t item;
+
+    /* find insert position */
+    sel = playlist_get_first_selected_item_idx(app);
+    if(sel < 0)
+        return;
+
+    if(dir < 0)
+    {
+        a = sel - 1;
+        b = sel;
+        sel = a;
+    }
+    else
+    {
+        a = sel;
+        b = sel + 1;
+        sel = b;
+    };
+
+    /* check for playing block */
+    if(playlist_idx_cued(app, a, NULL) || playlist_idx_cued(app, b, NULL))
+        return;
+
+    pthread_mutex_lock(&app->playlist.lock);
+    pthread_mutex_lock(&app->players.lock);
+
+    /* swap */
+    item = app->playlist.item[a];
+    app->playlist.item[a] = app->playlist.item[b];
+    app->playlist.item[b] = item;
+
+    /* rewite type */
+    if(app->playlist.item[a].type != app->playlist.item[b].type)
+    {
+        e = 0;
+        app->playlist.item[a].type = PLAYLIST_ITEM_BLOCK_SINGLE;
+        app->playlist.item[b].type = PLAYLIST_ITEM_BLOCK_SINGLE;
+    };
+
+    /* redraw main items */
+    ui_playlist_draw_item(app, a);
+    ui_playlist_draw_item(app, b);
+
+    /* fix block types */
+    if(a && !e)
+    {
+        app->playlist.item[a - 1].type = (playlist_item_type_t)(app->playlist.item[a - 1].type |
+            PLAYLIST_BLOCK_END);
+        ui_playlist_draw_item(app, a - 1);
+    };
+    if(b + 1 < app->playlist.count && !e)
+    {
+        app->playlist.item[b + 1].type = (playlist_item_type_t)(app->playlist.item[b + 1].type |
+            PLAYLIST_BLOCK_BEGIN);
+        ui_playlist_draw_item(app, b + 1);
+    };
+
+    /* select */
+    ui_playlist_select_item(app, sel);
+
+    pthread_mutex_unlock(&app->players.lock);
+    pthread_mutex_unlock(&app->playlist.lock);
+};
+
+#if 0
+static int playlist_load_file_ply(instance_t* app, char* filename)
 {
     FILE* f;
     char *ID, *CH, *B, *IN, *OUT, *DUR, *REST, *l;
@@ -74,41 +722,45 @@ static int load_file_ply(omnplay_instance_t* app, char* filename)
                 if (6 != sscanf(l, "%128[^,],%128[^,],%128[^,],%128[^,],%128[^,],%128[^,],%s",
                     ID, CH, B, IN, OUT, DUR, REST))
                 {
+                    int b = atol(B);
                     /* setup item */
                     tc2frames(IN, 25.0, &items[count].in);
                     tc2frames(DUR, 25.0, &items[count].dur);
                     strncpy(items[count].id, ID, PATH_MAX);
                     items[count].player = atol(CH) - 1;
-                    switch(atol(B))
+                    switch(b)
                     {
-                        case 1: items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_SINGLE; break;
-                        case 2: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_BEGIN; break;
-                        case 3: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_BODY; break;
-                        case 4: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_END; break;
-                        case 6: items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_END; break;
+                        case 1: items[count].type = PLAYLIST_ITEM_BLOCK_SINGLE; break;
+                        case 2: items[count].type = PLAYLIST_ITEM_LOOP_BEGIN; break;
+                        case 3: items[count].type = PLAYLIST_ITEM_LOOP_BODY; break;
+                        case 4: items[count].type = PLAYLIST_ITEM_LOOP_END; break;
+                        case 6: items[count].type = PLAYLIST_ITEM_BLOCK_END; break;
                         case 0:
                             if(!count)
-                                items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_BEGIN;
-                            else if(items[count - 1].type == OMNPLAY_PLAYLIST_ITEM_BLOCK_BEGIN ||
-                                    items[count - 1].type == OMNPLAY_PLAYLIST_ITEM_BLOCK_BODY)
-                                items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_BODY;
+                                items[count].type = PLAYLIST_ITEM_BLOCK_BEGIN;
+                            else if(items[count - 1].type == PLAYLIST_ITEM_BLOCK_BEGIN ||
+                                    items[count - 1].type == PLAYLIST_ITEM_BLOCK_BODY)
+                                items[count].type = PLAYLIST_ITEM_BLOCK_BODY;
                             else
-                                items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_BEGIN;
+                                items[count].type = PLAYLIST_ITEM_BLOCK_BEGIN;
                             break;
+                        default:
+                            if(b >= 1024)
+                                items[count].type = b - 1024;
                     };
 #if 0
                     {
                         char* n;
                         switch(items[count].type)
                         {
-                            case OMNPLAY_PLAYLIST_ITEM_BLOCK_BEGIN:       n = "BLOCK_BEGIN"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_BLOCK_BODY:        n = "BLOCK_BODY"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_BLOCK_END:         n = "BLOCK_END"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_BLOCK_SINGLE:      n = "BLOCK_SINGLE"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_LOOP_BEGIN:        n = "LOOP_BEGIN"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_LOOP_BODY:         n = "LOOP_BODY"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_LOOP_END:          n = "LOOP_END"; break;
-                            case OMNPLAY_PLAYLIST_ITEM_LOOP_SINGLE:       n = "LOOP_SINGLE"; break;
+                            case PLAYLIST_ITEM_BLOCK_BEGIN:       n = "BLOCK_BEGIN"; break;
+                            case PLAYLIST_ITEM_BLOCK_BODY:        n = "BLOCK_BODY"; break;
+                            case PLAYLIST_ITEM_BLOCK_END:         n = "BLOCK_END"; break;
+                            case PLAYLIST_ITEM_BLOCK_SINGLE:      n = "BLOCK_SINGLE"; break;
+                            case PLAYLIST_ITEM_LOOP_BEGIN:        n = "LOOP_BEGIN"; break;
+                            case PLAYLIST_ITEM_LOOP_BODY:         n = "LOOP_BODY"; break;
+                            case PLAYLIST_ITEM_LOOP_END:          n = "LOOP_END"; break;
+                            case PLAYLIST_ITEM_LOOP_SINGLE:       n = "LOOP_SINGLE"; break;
                         };
                         fprintf(stderr, "src=[%s]\ndst=[idx=%d,block=%s,block_id=%d,in=%d,out=%d]\n",
                             l, count, n, items[count].type, items[count].in, items[count].dur);
@@ -128,7 +780,10 @@ static int load_file_ply(omnplay_instance_t* app, char* filename)
     {
         pthread_mutex_lock(&app->playlist.lock);
         for(i = 0; i < count && app->playlist.count + 1 < MAX_PLAYLIST_ITEMS; i++)
+        {
+//            omnplay_library_normalize_item(app, &items[i]);
             app->playlist.item[app->playlist.count++] = items[i];
+        };
         app->playlist.ver_curr++;
         pthread_mutex_unlock(&app->playlist.lock);
     }
@@ -146,162 +801,182 @@ static int load_file_ply(omnplay_instance_t* app, char* filename)
     return count;
 };
 
-void omnplay_playlist_load(omnplay_instance_t* app)
+static int playlist_save_file_ply(instance_t* app, char* filename)
 {
-    int r;
-    GtkWidget *dialog;
-
-    dialog = gtk_file_chooser_dialog_new("Open File",
-        GTK_WINDOW (app->window),
-        GTK_FILE_CHOOSER_ACTION_OPEN,
-        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
-        NULL);
-
-    gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),
-        (app->playlist.path)?app->playlist.path:getenv("HOME"));
+    int i;
+    FILE* f;
+    char tc1[12], tc2[12], tc3[12];
+    char* fname = filename;
 
-    r = gtk_dialog_run(GTK_DIALOG(dialog));
+    filename = (char*)malloc(PATH_MAX);
+    strncpy(filename, fname, PATH_MAX);
+    i = strlen(filename);
+    if(i < 4 || strcasecmp(filename + i - 4, ".ply"))
+        strcat(filename, ".ply");
 
-    if(r == GTK_RESPONSE_ACCEPT)
+    if((f = fopen(filename, "wt")))
     {
-        char *filename;
-
-        filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+        for(i = 0; i < app->playlist.count; i++)
+            fprintf(f, "%s,%d,%d,%s,%s,%s,,,,,,,,\n",
+                app->playlist.item[i].id,
+                app->playlist.item[i].player + 1,
+                app->playlist.item[i].type + 1024,
+                frames2tc(app->playlist.item[i].in, 25.0, tc1),
+                frames2tc(app->playlist.item[i].in + app->playlist.item[i].dur, 25.0, tc2),
+                frames2tc(app->playlist.item[i].dur, 25.0, tc3));
 
-        r = load_file_ply(app, filename);
-
-        if(r)
-            omnplay_playlist_draw(app);
+        fclose(f);
+    };
 
-        if(app->playlist.path)
-            g_free(app->playlist.path);
-        if((app->playlist.path = filename))
-        {
-            char* e = strrchr(app->playlist.path, '/');
-            if(e) *e = 0;
-        }
-    }
+    free(filename);
 
-    gtk_widget_destroy (dialog);
+    return 0;
 };
+#endif
 
-void omnplay_playlist_save(omnplay_instance_t* app)
+static int playlist_load_plm(instance_t* app, char* filename)
 {
+    return 0;
 };
 
-void omnplay_playlist_draw(omnplay_instance_t* app)
+static int playlist_save_plm(instance_t* app, char* filename)
 {
-    int i;
-    char tc1[12], tc2[12];
-    GtkListStore *list_store;
-    GtkTreeIter iter;
+    return 0;
+};
 
-    list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->playlist_grid)));
-    gtk_list_store_clear(list_store);
+static int playlist_load_plx(instance_t* app, char* filename)
+{
+    return -1;
+};
 
-    pthread_mutex_lock(&app->playlist.lock);
+static int playlist_save_plx(instance_t* app, char* filename)
+{
+    return -1;
+};
 
-    for(i = 0;i < app->playlist.count; i++)
+static struct ui_playlist_io_funcs playlist_io[] =
+{
+    {
+        "Text formatted playlist (*.plt)",
+        "*.plm",
+        playlist_load_plm,
+        playlist_save_plm
+    },
+    {
+        "Xml formatted playlist (*.plx)",
+        "*.plx",
+        playlist_load_plx,
+        playlist_save_plx,
+    },
     {
-        gtk_list_store_append(list_store, &iter);
-
-        gtk_list_store_set(list_store, &iter,
-            0, "",
-            1, app->playlist.block_icons[app->playlist.item[i].type],
-            2, (0 == app->playlist.item[i].player)?"A":"B",
-            3, app->playlist.item[i].id,
-            4, frames2tc(app->playlist.item[i].in, 25.0, tc1),
-            5, frames2tc(app->playlist.item[i].dur, 25.0, tc2),
-            6, app->playlist.item[i].title,
-            7, i,
-            -1 );
+        NULL,
+        NULL,
+        NULL,
+        NULL
     }
+};
 
-    app->playlist.ver_prev = app->playlist.ver_curr;
-
-    pthread_mutex_unlock(&app->playlist.lock);
+void playlist_load(instance_t* app)
+{
+    ui_playlist_load(app, (app->playlist.path)?app->playlist.path:getenv("HOME"), playlist_io);
 };
 
-typedef struct omnplay_playlist_draw_item_desc
+void playlist_save(instance_t* app)
 {
-    GtkListStore *list_store;
-    omnplay_instance_t* app;
-    int idx;
-} omnplay_playlist_draw_item_t;
+    ui_playlist_save(app, (app->playlist.path)?app->playlist.path:getenv("HOME"), playlist_io);
+};
 
-static gboolean omnplay_playlist_draw_item_proc(
-    GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data)
+
+void playlist_relink(instance_t* app)
 {
-    int i;
-    char tc1[12], tc2[12];
-    omnplay_playlist_draw_item_t* item = (omnplay_playlist_draw_item_t*)user_data;
-    omnplay_instance_t* app = item->app;
+    int i, cnt;
+    int *list;
 
-    gtk_tree_model_get(model, iter, 7, &i, -1);
+    pthread_mutex_lock(&app->playlist.lock);
+    list = playlist_get_selected_items_idx(app, &cnt);
+    if(list)
+    {
+        for(i = 0; i < cnt; i++)
+        {
+            /* check for playing block */
+            if(playlist_idx_cued(app, list[i], NULL))
+                continue;
 
-    if(i != item->idx) return FALSE;
+            /* relink item */
+            library_relink_item(app, &app->playlist.item[list[i]]);
+        };
 
-    gtk_list_store_set(item->list_store, iter,
-        0, "",
-        1, app->playlist.block_icons[app->playlist.item[i].type],
-        2, (0 == app->playlist.item[i].player)?"A":"B",
-        3, app->playlist.item[i].id,
-        4, frames2tc(app->playlist.item[i].in, 25.0, tc1),
-        5, frames2tc(app->playlist.item[i].dur, 25.0, tc2),
-        6, app->playlist.item[i].title,
-        7, i,
-        -1 );
+        free(list);
+    };
+    pthread_mutex_unlock(&app->playlist.lock);
 
-    return TRUE;
+    /* redraw playlist */
+    ui_playlist_draw(app);
 };
 
-void omnplay_playlist_draw_item(omnplay_instance_t* app, int idx)
+void playlist_item_add(instance_t* app, int after)
 {
-    GtkListStore *list_store;
-    omnplay_playlist_draw_item_t item;
+    int idx;
+    playlist_item_t item;
+    playlist_item_type_t t;
 
-    list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->playlist_grid)));
+    /* find insert position */
+    idx = playlist_get_first_selected_item_idx(app);
+    if(idx < 0)
+        idx = 0;
+    else
+        idx += (after)?1:0;
 
-    pthread_mutex_lock(&app->playlist.lock);
+    if(!playlist_insert_check(app, idx, &t))
+        return;
 
-    item.idx = idx;
-    item.app = app;
-    item.list_store = list_store;
-    gtk_tree_model_foreach(GTK_TREE_MODEL(list_store), omnplay_playlist_draw_item_proc, &item);
+    g_warning("allowed insert into idx=%d\n", idx);
 
-    pthread_mutex_unlock(&app->playlist.lock);
+    /* clear item */
+    memset(&item, 0, sizeof(playlist_item_t));
+    if(ui_playlist_item_dialog(app, &item))
+    {
+        library_normalize_item(app, &item);
+        item.type = t;
+        playlist_insert_items(app, idx, &item, 1);
+    };
 };
 
-static gboolean omnplay_playlist_draw_item_rem_proc(
-    GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer user_data)
+void playlist_item_edit(instance_t* app)
 {
-    int i;
-    void** args                 = (void**)user_data;
-    GtkListStore *list_store    = (GtkListStore *)args[1];
-    int idx                     = (int)args[2];
-    char* rem                   = (char*)args[3];
+    int idx;
+    playlist_item_t item;
 
-    gtk_tree_model_get(model, iter, 7, &i, -1);
+    /* find insert position */
+    idx = playlist_get_first_selected_item_idx(app);
 
-    if(i != idx) return FALSE;
+    if(idx < 0)
+        return;
 
-    gtk_list_store_set(list_store, iter, 0, rem, -1);
+    /* check for playing block */
+    if(playlist_idx_cued(app, idx, NULL))
+        return;
 
-    return TRUE;
+    item = app->playlist.item[idx];
+
+    if(ui_playlist_item_dialog(app, &item))
+    {
+        library_normalize_item(app, &item);
+        app->playlist.item[idx] = item;
+        ui_playlist_draw_item(app, idx);
+    };
 };
 
-void omnplay_playlist_draw_item_rem(omnplay_instance_t* app, int idx, char* rem)
+void playlist_item_add_from_library(instance_t* app, int after)
 {
-    void* item[4];
-    GtkListStore *list_store;
-
-    list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->playlist_grid)));
+};
 
-    item[0] = (void*)app;
-    item[1] = (void*)list_store;
-    item[2] = (void*)idx;
-    item[3] = (void*)rem;
+void playlist_normalize(instance_t* app)
+{
+    int i;
 
-    gtk_tree_model_foreach(GTK_TREE_MODEL(list_store), omnplay_playlist_draw_item_rem_proc, item);
+    /* normalize playlist */
+    for(i = 0; i < app->playlist.count; i++)
+        if(library_normalize_item(app, &app->playlist.item[i]))
+            ui_playlist_draw_item(app, i);
 };