1 files changed, 180 insertions, 0 deletions

diff --git a/apps/radio/radioart.c b/apps/radio/radioart.c
new file mode 100644
index 0000000000..319f254144
--- /dev/null
+++ b/apps/radio/radioart.c
@@ -0,0 +1,180 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: radio.c -1   $
+ *
+ * Copyright (C) 2010 Jonathan Gordon
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include "settings.h"
+#include "radio.h"
+#include "buffering.h"
+#include "file.h"
+#include "kernel.h"
+#include "string-extra.h"
+#include "misc.h"
+
+#define MAX_RADIOART_IMAGES 10
+struct radioart {
+    int handle;
+    long last_tick;
+    struct dim dim;
+    char name[MAX_FMPRESET_LEN+1];
+};
+
+static struct radioart radioart[MAX_RADIOART_IMAGES];
+#ifdef HAVE_RECORDING
+static bool allow_buffer_access = true; /* If we are recording dont touch the buffers! */
+#endif
+static int find_oldest_image(void)
+{
+    int i;
+    long oldest_tick = radioart[0].last_tick;
+    int oldest_idx = 0;
+    for(i=1;i<MAX_RADIOART_IMAGES;i++)
+    {
+        if (radioart[i].last_tick < oldest_tick)
+        {
+            oldest_tick = radioart[i].last_tick;
+            oldest_idx = i;
+        }
+    }
+    return oldest_idx;
+}
+static int load_radioart_image(struct radioart *ra, const char* preset_name, 
+                               struct dim *dim)
+{
+    char path[MAX_PATH];
+#ifndef HAVE_NOISY_IDLE_MODE
+    cpu_idle_mode(false);
+#endif
+    snprintf(path, sizeof(path), FMPRESET_PATH "/%s.bmp",preset_name);
+    if (!file_exists(path))
+        snprintf(path, sizeof(path), FMPRESET_PATH "/%s.jpg",preset_name);
+    if (!file_exists(path))
+    {
+#ifndef HAVE_NOISY_IDLE_MODE
+                cpu_idle_mode(true);
+#endif
+        return -1;
+        }
+    strlcpy(ra->name, preset_name, MAX_FMPRESET_LEN+1);
+    ra->dim.height = dim->height;
+    ra->dim.width = dim->width;
+    ra->last_tick = current_tick;
+    ra->handle = bufopen(path, 0, TYPE_BITMAP, &ra->dim);
+    if (ra->handle == ERR_BUFFER_FULL)
+    {
+        int i = find_oldest_image();
+        bufclose(i);
+        ra->handle = bufopen(path, 0, TYPE_BITMAP, &ra->dim);
+    }
+#ifndef HAVE_NOISY_IDLE_MODE
+    cpu_idle_mode(true);
+#endif
+    return ra->handle;    
+}
+int radio_get_art_hid(struct dim *requested_dim)
+{
+    int preset = radio_current_preset();
+    int i, free_idx = -1;
+    const char* preset_name;
+    if (radio_scan_mode() || preset < 0)
+        return -1;
+#ifdef HAVE_RECORDING
+    if (!allow_buffer_access)
+        return -1;
+#endif
+    preset_name = radio_get_preset_name(preset);
+    for(i=0;i<MAX_RADIOART_IMAGES;i++)
+    {
+        if (radioart[i].handle < 0)
+        {
+            free_idx = i;
+        }
+        else if (!strcmp(radioart[i].name, preset_name) &&
+                 radioart[i].dim.width == requested_dim->width &&
+                 radioart[i].dim.height == requested_dim->height)
+        {
+            radioart[i].last_tick = current_tick;
+            return radioart[i].handle;
+        }
+    }
+    if (free_idx >= 0)
+    {
+        return load_radioart_image(&radioart[free_idx], 
+                                   preset_name, requested_dim);
+    }
+    else
+    {
+        int i = find_oldest_image();
+        bufclose(radioart[i].handle);
+        return load_radioart_image(&radioart[i],
+                                   preset_name, requested_dim);        
+    }
+        
+    return -1;
+}
+static void playback_restarting_handler(void *data)
+{
+    (void)data;
+    int i;
+    for(i=0;i<MAX_RADIOART_IMAGES;i++)
+    {
+        if (radioart[i].handle >= 0)
+            bufclose(radioart[i].handle);
+        radioart[i].handle = -1;
+        radioart[i].name[0] = '\0';
+    }
+}
+#ifdef HAVE_RECORDING
+static void recording_started_handler(void *data)
+{
+    (void)data;
+    allow_buffer_access = false;
+    playback_restarting_handler(NULL);
+}
+static void recording_stopped_handler(void *data)
+{
+    (void)data;
+    allow_buffer_access = true;
+}
+#endif
+
+void radioart_init(bool entering_screen)
+{
+    int i;
+    if (entering_screen)
+    {
+        for(i=0;i<MAX_RADIOART_IMAGES;i++)
+        {
+            radioart[i].handle = -1;
+            radioart[i].name[0] = '\0';
+        }
+        add_event(PLAYBACK_EVENT_START_PLAYBACK, true, playback_restarting_handler);
+    }
+    else
+    {
+#if defined(HAVE_RECORDING)
+        add_event(RECORDING_EVENT_START, false, recording_started_handler);
+        add_event(RECORDING_EVENT_STOP, false, recording_stopped_handler);
+#endif
+    }
+}