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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* 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 "system.h"
#include "settings.h"
#include "radio.h"
#include "buffering.h"
#include "file.h"
#include "kernel.h"
#include "string-extra.h"
#include "filefuncs.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
}
}
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