/* Scroll right */
void grey_scroll_right(int count)
{
struct viewport *vp = &_grey_default_vp;
unsigned char *data, *data_end;
int length, blank;
if ((unsigned)count >= (unsigned)_grey_info.width)
{
grey_clear_display();
return;
}
data = _grey_info.buffer;
data_end = data + _GREY_MULUQ(_grey_info.width, _grey_info.height);
length = _grey_info.width - count;
blank = (vp->drawmode & DRMODE_INVERSEVID) ? vp->fg_pattern : vp->bg_pattern;
do
{
rb->memmove(data + count, data, length);
rb->memset(data, blank, count);
data += _grey_info.width;
}
while (data < data_end);
}
/* Scroll up */
void grey_scroll_up(int count)
{
struct viewport *vp = &_grey_default_vp;
long shift, length;
int blank;
if ((unsigned)count >= (unsigned)_grey_info.height)
{
grey_clear_display();
return;
}
shift = _GREY_MULUQ(_grey_info.width, count);
length = _GREY_MULUQ(_grey_info.width, _grey_info.height - count);
blank = (vp->drawmode & DRMODE_INVERSEVID) ? vp->fg_pattern : vp->bg_pattern;
rb->memmove(_grey_info.buffer, _grey_info.buffer + shift,
length);
rb->memset(_grey_info.buffer + length, blank, shift);
}
/* Initializes the playback engine */
int stream_init(void)
{
void *mem;
size_t memsize;
stream_mgr.status = STREAM_STOPPED;
stream_mgr_init_state();
/* Initialize our window to the outside world first */
rb->mutex_init(&stream_mgr.str_mtx);
rb->mutex_init(&stream_mgr.actl_mtx);
stream_mgr.q = &stream_mgr_queue;
rb->queue_init(stream_mgr.q, false);
/* sets audiosize and returns buffer pointer */
mem = rb->plugin_get_audio_buffer(&memsize);
/* Initialize non-allocator blocks first */
#ifndef HAVE_LCD_COLOR
long greysize;
/* Greylib init handles all necessary cache alignment */
if (!grey_init(mem, memsize, GREY_BUFFERED|GREY_ON_COP,
LCD_WIDTH, LCD_HEIGHT, &greysize))
{
rb->splash(HZ, "greylib init failed!");
return STREAM_ERROR;
}
mem += greysize;
memsize -= greysize;
grey_clear_display();
#endif /* !HAVE_LCD_COLOR */
stream_mgr.thread = rb->create_thread(stream_mgr_thread,
stream_mgr_thread_stack, sizeof(stream_mgr_thread_stack),
0, "mpgstream_mgr" IF_PRIO(, PRIORITY_SYSTEM) IF_COP(, CPU));
rb->queue_enable_queue_send(stream_mgr.q, &stream_mgr_queue_send,
stream_mgr.thread);
if (stream_mgr.thread == 0)
{
rb->splash(HZ, "Could not create stream manager thread!");
return STREAM_ERROR;
}
/* Wait for thread to initialize */
stream_mgr_send_msg(STREAM_NULL, 0);
/* Initialise our malloc buffer */
if (!mpeg_alloc_init(mem, memsize))
{
rb->splash(HZ, "Out of memory in stream_init");
}
/* These inits use the allocator */
else if (!pcm_output_init())
{
rb->splash(HZ, "Could not initialize PCM!");
}
else if (!audio_thread_init())
{
rb->splash(HZ, "Cannot create audio thread!");
}
else if (!video_thread_init())
{
rb->splash(HZ, "Cannot create video thread!");
}
/* Disk buffer takes max allotment of what's left so it must be last */
else if (!disk_buf_init())
{
rb->splash(HZ, "Cannot create buffering thread!");
}
else if (!parser_init())
{
rb->splash(HZ, "Parser init failed!");
}
else
{
return STREAM_OK;
}
return STREAM_ERROR;
}
/* this is only a demo of what the framework can do */
int main(void)
{
int time;
int x, y, i;
int button, scroll_amount;
bool black_border = false;
static const unsigned char rockbox[] = {
/* ...........................................
* .####...###...###..#...#.####...###..#...#.
* .#...#.#...#.#...#.#..#..#...#.#...#..#.#..
* .####..#...#.#.....###...####..#...#...#...
* .#..#..#...#.#...#.#..#..#...#.#...#..#.#..
* .#...#..###...###..#...#.####...###..#...#.
* ...........................................
* 43 x 7 pixel, 1 bpp
*/
0x00, 0x3E, 0x0A, 0x0A, 0x1A, 0x24, 0x00, 0x1C, 0x22, 0x22,
0x22, 0x1C, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x14, 0x00, 0x3E,
0x08, 0x08, 0x14, 0x22, 0x00, 0x3E, 0x2A, 0x2A, 0x2A, 0x14,
0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x22, 0x14, 0x08,
0x14, 0x22, 0x00
};
static const unsigned char showing[] = {
/* .......................................
* ..####.#...#..###..#...#.#.#...#..####.
* .#.....#...#.#...#.#...#.#.##..#.#.....
* ..###..#####.#...#.#.#.#.#.#.#.#.#..##.
* .....#.#...#.#...#.#.#.#.#.#..##.#...#.
* .####..#...#..###...#.#..#.#...#..####.
* .......................................
* 39 x 7 pixel, 1 bpp
*/
0x00, 0x24, 0x2A, 0x2A, 0x2A, 0x12, 0x00, 0x3E, 0x08, 0x08,
0x08, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, 0x1E,
0x20, 0x18, 0x20, 0x1E, 0x00, 0x3E, 0x00, 0x3E, 0x04, 0x08,
0x10, 0x3E, 0x00, 0x1C, 0x22, 0x22, 0x2A, 0x3A, 0x00
};
static const unsigned char grayscale_grey[] = {
/* .......................................................
* ..####.####...###..#...#..####..###...###..#.....#####.
* .#.....#...#.#...#.#...#.#.....#...#.#...#.#.....#.....
* .#..##.####..#####..#.#...###..#.....#####.#.....####..
* .#...#.#..#..#...#...#.......#.#...#.#...#.#.....#.....
* ..####.#...#.#...#...#...####...###..#...#.#####.#####.
* .......................................................
* 55 x 7 pixel, 8 bpp
*/
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110,
120,120, 20, 20, 20, 20,120,222,222,222,222,120,120,120, 24, 24,
24,120,120,226,120,120,120,226,120,120, 28, 28, 28, 28,120,120,
230,230,230,120,120,120, 32, 32, 32,120,120,234,120,120,120,120,
120, 36, 36, 36, 36, 36,120,
130, 20,130,130,130,130,130,222,130,130,130,222,130, 24,130,130,
130, 24,130,226,130,130,130,226,130, 28,130,130,130,130,130,230,
130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
130, 36,130,130,130,130,130,
140, 20,140,140, 20, 20,140,222,222,222,222,140,140, 24, 24, 24,
24, 24,140,140,226,140,226,140,140,140, 28, 28, 28,140,140,230,
140,140,140,140,140, 32, 32, 32, 32, 32,140,234,140,140,140,140,
140, 36, 36, 36, 36,140,140,
130, 20,130,130,130, 20,130,222,130,130,222,130,130, 24,130,130,
130, 24,130,130,130,226,130,130,130,130,130,130,130, 28,130,230,
130,130,130,230,130, 32,130,130,130, 32,130,234,130,130,130,130,
130, 36,130,130,130,130,130,
120,120, 20, 20, 20, 20,120,222,120,120,120,222,120, 24,120,120,
120, 24,120,120,120,226,120,120,120, 28, 28, 28, 28,120,120,120,
230,230,230,120,120, 32,120,120,120, 32,120,234,234,234,234,234,
120, 36, 36, 36, 36, 36,120,
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,
110,110,110,110,110,110,110
};
/* Turn off backlight timeout */
backlight_ignore_timeout();
rb->lcd_setfont(FONT_SYSFIXED); /* select default font */
/* get the remainder of the plugin buffer */
gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
/* initialize the greyscale buffer:
Archos: 112 pixels wide, 7 rows (56 pixels) high.
H1x0: 160 pixels wide, 30 rows (120 pixels) high. */
if (!grey_init(gbuf, gbuf_size, GREY_BUFFERED|GREY_ON_COP,
LCD_WIDTH, GFX_HEIGHT, NULL))
{
rb->splash(HZ, "Not enough memory.");
return PLUGIN_ERROR;
}
/* place greyscale overlay 1 row down */
grey_set_position(0, 8);
rb->lcd_puts(0, 0, "Shades: 129");
rb->lcd_update();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
grey_show(true); /* switch on greyscale overlay */
time = *rb->current_tick; /* start time measurement */
grey_set_background(150);
grey_clear_display(); /* fill everything with grey 150 */
/* draw a dark grey line star background */
grey_set_foreground(80);
for (y = 0; y < GFX_HEIGHT; y += 8) /* horizontal part */
{
grey_drawline(0, y, (LCD_WIDTH-1), (GFX_HEIGHT-1) - y); /*grey lines */
}
for (x = 10; x <= LCD_WIDTH; x += 10) /* vertical part */
{
grey_drawline(x, 0, (LCD_WIDTH-1) - x, (GFX_HEIGHT-1)); /*grey lines */
}
grey_set_foreground(0);
grey_drawrect(0, 0, LCD_WIDTH, GFX_HEIGHT); /* black border */
/* draw grey tones */
for (i = 0; i < GFX_GREYTONE_WIDTH; i++)
{
x = ((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2) + i;
grey_set_foreground(GFX_GREYTONE_STEP * i);
/* vertical lines */
grey_vline(x, (GFX_HEIGHT/8), (GFX_HEIGHT-GFX_HEIGHT/8-1));
}
grey_set_drawmode(DRMODE_COMPLEMENT);
/* invert rectangle (lower half) */
grey_fillrect((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2, (GFX_HEIGHT/2+1),
GFX_GREYTONE_WIDTH, (GFX_HEIGHT/2-GFX_HEIGHT/8-1));
/* invert a line */
grey_hline((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2,
(LCD_WIDTH+GFX_GREYTONE_WIDTH)/2, (GFX_HEIGHT/2-1));
/* show bitmaps (1 bit and 8 bit) */
/* opaque */
grey_set_drawinfo(DRMODE_SOLID, 255, 100);
grey_mono_bitmap(rockbox,
MAX((LCD_WIDTH/2-47), ((LCD_WIDTH-GFX_GREYTONE_WIDTH)/2)),
(5*GFX_HEIGHT/16-4), 43, 7);
/* transparent */
grey_set_drawinfo(DRMODE_FG, 0, 100);
grey_mono_bitmap(showing, (LCD_WIDTH/2+4) , (5*GFX_HEIGHT/16-4), 39, 7);
/* greyscale */
grey_gray_bitmap(grayscale_grey, ((LCD_WIDTH-55)/2), (11*GFX_HEIGHT/16-4),
55, 7);
grey_update();
time = *rb->current_tick - time; /* end time measurement */
rb->lcd_putsf(0, 0, "Shades: 129, %d.%02ds", time / 100, time % 100);
grey_deferred_lcd_update(); /* schedule an lcd_update() */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
/* drawing is now finished, play around with scrolling
* until you press OFF or connect USB
*/
grey_set_background(255);
while (true)
{
scroll_amount = 1;
button = rb->button_get(true);
exit_on_usb(button);
if (button & GREYSCALE_SHIFT)
{
if (!black_border)
{
grey_set_background(0);
black_border = true;
}
}
else
{
if (black_border)
{
grey_set_background(255);
black_border = false;
}
}
if (button & BUTTON_REPEAT)
scroll_amount = 4;
switch (button & ~(GREYSCALE_SHIFT | BUTTON_REPEAT))
{
case GREYSCALE_LEFT:
grey_scroll_left(scroll_amount); /* scroll left */
grey_update();
break;
case GREYSCALE_RIGHT:
grey_scroll_right(scroll_amount); /* scroll right */
grey_update();
break;
case GREYSCALE_UP:
grey_scroll_up(scroll_amount); /* scroll up */
grey_update();
break;
case GREYSCALE_DOWN:
grey_scroll_down(scroll_amount); /* scroll down */
grey_update();
break;
#ifdef GREYSCALE_RC_OFF
case GREYSCALE_RC_OFF:
#endif
case GREYSCALE_OFF:
return PLUGIN_OK;
}
}
}
