static void* codec_request_buffer_callback(size_t *realsize, size_t reqsize)
{
size_t copy_n = reqsize;
ssize_t ret;
void *ptr;
if (!(audio_status() & AUDIO_STATUS_PLAY))
{
*realsize = 0;
return NULL;
}
ret = bufgetdata(get_audio_hid(), reqsize, &ptr);
if (ret >= 0)
copy_n = MIN((size_t)ret, reqsize);
if (copy_n == 0)
{
*realsize = 0;
return NULL;
}
*realsize = copy_n;
return ptr;
} /* codec_request_buffer_callback */
static void * codec_request_buffer_callback(size_t *realsize, size_t reqsize)
{
size_t copy_n = reqsize;
ssize_t ret;
void *ptr;
ret = bufgetdata(ci.audio_hid, reqsize, &ptr);
if (ret >= 0)
copy_n = MIN((size_t)ret, reqsize);
else
copy_n = 0;
if (copy_n == 0)
ptr = NULL;
*realsize = copy_n;
return ptr;
}
/* Draw the album art bitmap from the given handle ID onto the given WPS.
Call with clear = true to clear the bitmap instead of drawing it. */
void draw_album_art(struct gui_wps *gwps, int handle_id, bool clear)
{
if (!gwps || !gwps->data || !gwps->display || handle_id < 0)
return;
struct wps_data *data = gwps->data;
struct skin_albumart *aa = data->albumart;
if (!aa)
return;
struct bitmap *bmp;
if (bufgetdata(handle_id, 0, (void *)&bmp) <= 0)
return;
short x = aa->x;
short y = aa->y;
short width = bmp->width;
short height = bmp->height;
if (aa->width > 0)
{
/* Crop if the bitmap is too wide */
width = MIN(bmp->width, aa->width);
/* Align */
if (aa->xalign & WPS_ALBUMART_ALIGN_RIGHT)
x += aa->width - width;
else if (aa->xalign & WPS_ALBUMART_ALIGN_CENTER)
x += (aa->width - width) / 2;
}
if (aa->height > 0)
{
/* Crop if the bitmap is too high */
height = MIN(bmp->height, aa->height);
/* Align */
if (aa->yalign & WPS_ALBUMART_ALIGN_BOTTOM)
y += aa->height - height;
else if (aa->yalign & WPS_ALBUMART_ALIGN_CENTER)
y += (aa->height - height) / 2;
}
if (!clear)
{
/* Draw the bitmap */
gwps->display->bitmap_part((fb_data*)bmp->data, 0, 0,
STRIDE(gwps->display->screen_type,
bmp->width, bmp->height),
x, y, width, height);
#ifdef HAVE_LCD_INVERT
if (global_settings.invert) {
gwps->display->set_drawmode(DRMODE_COMPLEMENT);
gwps->display->fillrect(x, y, width, height);
gwps->display->set_drawmode(DRMODE_SOLID);
}
#endif
}
else
{
/* Clear the bitmap */
gwps->display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
gwps->display->fillrect(x, y, width, height);
gwps->display->set_drawmode(DRMODE_SOLID);
}
}