static void flip_page(void)
{
Display_Image(myximage, ImageData);
XSync(mDisplay, False);
}
static bool resize(struct vo *vo)
{
struct priv *p = vo->priv;
struct vo_x11_state *x11 = vo->x11;
for (int i = 0; i < 2; i++)
freeMyXImage(p, i);
vo_get_src_dst_rects(vo, &p->src, &p->dst, &p->osd);
p->src_w = p->src.x1 - p->src.x0;
p->src_h = p->src.y1 - p->src.y0;
p->dst_w = p->dst.x1 - p->dst.x0;
p->dst_h = p->dst.y1 - p->dst.y0;
// p->osd contains the parameters assuming OSD rendering in window
// coordinates, but OSD can only be rendered in the intersection
// between window and video rectangle (i.e. not into panscan borders).
p->osd.w = p->dst_w;
p->osd.h = p->dst_h;
p->osd.mt = MPMIN(0, p->osd.mt);
p->osd.mb = MPMIN(0, p->osd.mb);
p->osd.mr = MPMIN(0, p->osd.mr);
p->osd.ml = MPMIN(0, p->osd.ml);
mp_input_set_mouse_transform(vo->input_ctx, &p->dst, NULL);
p->image_width = (p->dst_w + 7) & (~7);
p->image_height = p->dst_h;
for (int i = 0; i < 2; i++) {
if (!getMyXImage(p, i))
return -1;
}
const struct fmt_entry *fmte = mp_to_x_fmt;
while (fmte->mpfmt) {
if (fmte->depth == p->myximage[0]->bits_per_pixel &&
fmte->byte_order == p->myximage[0]->byte_order &&
fmte->red_mask == p->myximage[0]->red_mask &&
fmte->green_mask == p->myximage[0]->green_mask &&
fmte->blue_mask == p->myximage[0]->blue_mask)
break;
fmte++;
}
if (!fmte->mpfmt) {
MP_ERR(vo, "X server image format not supported, use another VO.\n");
return -1;
}
mp_sws_set_from_cmdline(p->sws, vo->opts->sws_opts);
p->sws->dst = (struct mp_image_params) {
.imgfmt = fmte->mpfmt,
.w = p->dst_w,
.h = p->dst_h,
.p_w = 1,
.p_h = 1,
};
mp_image_params_guess_csp(&p->sws->dst);
if (mp_sws_reinit(p->sws) < 0)
return false;
XFillRectangle(x11->display, x11->window, p->gc, 0, 0, vo->dwidth, vo->dheight);
vo->want_redraw = true;
return true;
}
static void Display_Image(struct priv *p, XImage *myximage)
{
struct vo *vo = p->vo;
XImage *x_image = p->myximage[p->current_buf];
#if HAVE_SHM && HAVE_XEXT
if (p->Shmem_Flag) {
XShmPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h,
True);
vo->x11->ShmCompletionWaitCount++;
} else
#endif
{
XPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h);
}
}
static struct mp_image get_x_buffer(struct priv *p, int buf_index)
{
struct mp_image img = {0};
mp_image_set_params(&img, &p->sws->dst);
img.planes[0] = p->myximage[buf_index]->data;
img.stride[0] =
p->image_width * ((p->myximage[buf_index]->bits_per_pixel + 7) / 8);
return img;
}
static void wait_for_completion(struct vo *vo, int max_outstanding)
{
#if HAVE_SHM && HAVE_XEXT
struct priv *ctx = vo->priv;
struct vo_x11_state *x11 = vo->x11;
if (ctx->Shmem_Flag) {
while (x11->ShmCompletionWaitCount > max_outstanding) {
if (!ctx->Shm_Warned_Slow) {
MP_WARN(vo, "can't keep up! Waiting"
" for XShm completion events...\n");
ctx->Shm_Warned_Slow = 1;
}
mp_sleep_us(1000);
vo_x11_check_events(vo);
}
}
#endif
}
static void flip_page(struct vo *vo)
{
struct priv *p = vo->priv;
Display_Image(p, p->myximage[p->current_buf]);
p->current_buf = (p->current_buf + 1) % 2;
}
// Note: REDRAW_FRAME can call this with NULL.
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
struct priv *p = vo->priv;
wait_for_completion(vo, 1);
struct mp_image img = get_x_buffer(p, p->current_buf);
if (mpi) {
struct mp_image src = *mpi;
struct mp_rect src_rc = p->src;
src_rc.x0 = MP_ALIGN_DOWN(src_rc.x0, src.fmt.align_x);
src_rc.y0 = MP_ALIGN_DOWN(src_rc.y0, src.fmt.align_y);
mp_image_crop_rc(&src, src_rc);
mp_sws_scale(p->sws, &img, &src);
} else {
mp_image_clear(&img, 0, 0, img.w, img.h);
}
osd_draw_on_image(vo->osd, p->osd, mpi ? mpi->pts : 0, 0, &img);
if (mpi != p->original_image) {
talloc_free(p->original_image);
p->original_image = mpi;
}
}
static int query_format(struct vo *vo, int format)
{
if (sws_isSupportedInput(imgfmt2pixfmt(format)))
return 1;
return 0;
}
static void uninit(struct vo *vo)
{
struct priv *p = vo->priv;
if (p->myximage[0])
freeMyXImage(p, 0);
if (p->myximage[1])
freeMyXImage(p, 1);
if (p->gc)
XFreeGC(vo->x11->display, p->gc);
talloc_free(p->original_image);
vo_x11_uninit(vo);
}
static int preinit(struct vo *vo)
{
struct priv *p = vo->priv;
p->vo = vo;
p->sws = mp_sws_alloc(vo);
if (!vo_x11_init(vo))
goto error;
struct vo_x11_state *x11 = vo->x11;
XWindowAttributes attribs;
XGetWindowAttributes(x11->display, x11->rootwin, &attribs);
p->depth = attribs.depth;
if (!XMatchVisualInfo(x11->display, x11->screen, p->depth,
TrueColor, &p->vinfo))
goto error;
MP_VERBOSE(vo, "selected visual: %d\n", (int)p->vinfo.visualid);
if (!vo_x11_create_vo_window(vo, &p->vinfo, "x11"))
goto error;
p->gc = XCreateGC(x11->display, x11->window, 0, NULL);
MP_WARN(vo, "Warning: this legacy VO has bad performance. Consider fixing "
"your graphics drivers, or not forcing the x11 VO.\n");
return 0;
error:
uninit(vo);
return -1;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct priv *p = vo->priv;
switch (request) {
case VOCTRL_SET_PANSCAN:
if (vo->config_ok)
resize(vo);
return VO_TRUE;
case VOCTRL_REDRAW_FRAME:
draw_image(vo, p->original_image);
return true;
}
int events = 0;
int r = vo_x11_control(vo, &events, request, data);
if (vo->config_ok && (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE)))
resize(vo);
vo_event(vo, events);
return r;
}
const struct vo_driver video_out_x11 = {
.description = "X11 (slow, old crap)",
.name = "x11",
.priv_size = sizeof(struct priv),
.preinit = preinit,
.query_format = query_format,
.reconfig = reconfig,
.control = control,
.draw_image = draw_image,
.flip_page = flip_page,
.wakeup = vo_x11_wakeup,
.wait_events = vo_x11_wait_events,
.uninit = uninit,
};
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct priv *p = vo->priv;
struct mp_image img = get_x_buffer(p);
struct mp_osd_res res = {
.w = img.w,
.h = img.h,
.display_par = vo->monitor_par,
.video_par = vo->aspdat.par,
};
osd_draw_on_image_bk(osd, res, osd->vo_pts, 0, p->osd_backup, &img);
}
static mp_image_t *get_screenshot(struct vo *vo)
{
struct priv *p = vo->priv;
struct mp_image img = get_x_buffer(p);
struct mp_image *res = alloc_mpi(img.w, img.h, img.imgfmt);
copy_mpi(res, &img);
mp_draw_sub_backup_restore(p->osd_backup, res);
return res;
}
static int redraw_frame(struct vo *vo)
{
struct priv *p = vo->priv;
struct mp_image img = get_x_buffer(p);
mp_draw_sub_backup_restore(p->osd_backup, &img);
return true;
}
static void flip_page(struct vo *vo)
{
struct priv *p = vo->priv;
Display_Image(p, p->myximage, p->ImageData);
XSync(vo->x11->display, False);
}
static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
int x, int y)
{
struct priv *p = vo->priv;
uint8_t *dst[MP_MAX_PLANES] = {NULL};
int dstStride[MP_MAX_PLANES] = {0};
if ((p->old_vo_dwidth != vo->dwidth || p->old_vo_dheight != vo->dheight)
/*&& y==0 */ && p->zoomFlag)
{
int newW = vo->dwidth;
int newH = vo->dheight;
struct SwsContext *oldContext = p->swsContext;
p->old_vo_dwidth = vo->dwidth;
p->old_vo_dheight = vo->dheight;
if (vo_fs)
aspect(vo, &newW, &newH, A_ZOOM);
if (sws_flags == 0)
newW &= (~31); // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed
p->swsContext
= sws_getContextFromCmdLine(p->srcW, p->srcH, p->in_format, newW,
newH, p->out_format);
if (p->swsContext) {
p->image_width = (newW + 7) & (~7);
p->image_height = newH;
freeMyXImage(p);
getMyXImage(p);
sws_freeContext(oldContext);
} else
p->swsContext = oldContext;
p->dst_width = newW;
}
dstStride[0] = p->image_width * ((p->bpp + 7) / 8);
dst[0] = p->ImageData;
if (p->Flip_Flag) {
dst[0] += dstStride[0] * (p->image_height - 1);
dstStride[0] = -dstStride[0];
}
sws_scale(p->swsContext, (const uint8_t **)src, stride, y, h, dst,
dstStride);
mp_draw_sub_backup_reset(p->osd_backup);
return 0;
}
static int query_format(struct vo *vo, uint32_t format)
{
mp_msg(MSGT_VO, MSGL_DBG2,
"vo_x11: query_format was called: %x (%s)\n", format,
vo_format_name(format));
if (IMGFMT_IS_BGR(format)) {
if (IMGFMT_BGR_DEPTH(format) <= 8)
return 0; // TODO 8bpp not yet fully implemented
if (IMGFMT_BGR_DEPTH(format) == vo->x11->depthonscreen)
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
VFCAP_OSD | VFCAP_FLIP |
VFCAP_ACCEPT_STRIDE;
else
return VFCAP_CSP_SUPPORTED | VFCAP_OSD |
VFCAP_FLIP |
VFCAP_ACCEPT_STRIDE;
}
switch (format) {
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12:
return VFCAP_CSP_SUPPORTED | VFCAP_OSD |
VFCAP_ACCEPT_STRIDE;
}
return 0;
}
int main(int argc, char **argv)
{
printf("-------------------------------------------------------\n");
printf("Welcome to SHARP Memory Display demo using Intel Edison\n");
printf("-------------------------------------------------------\n");
sleep(1);
signal(SIGINT, &sig_handler);
GPIO_Init();
sleep(1);
SPI_Init();
sleep(1);
PWM_Init();
sleep(1);
PWM_Run();
Display_Init();
printf("SHARP Display initialized\n");
while(isrunning)
{
//Loop Forever
Display_Init();
printf("UNI FREIBURG\n");
Display_Image("Uni_Freiburg");
sleep(5);
Display_Init();
printf("INTEL ATOM\n");
Display_Image("Intel_Atom");
sleep(5);
Display_Init();
printf("NIKOLA TESLA\n");
Display_Image("Nikola_Tesla");
sleep(5);
Display_Init();
printf("ALBERT EINSTEIN\n");
Display_Image("Albert_Einstein");
sleep(5);
Display_Init();
printf("WHITE TIGER\n");
Display_Image("White_Tiger");
sleep(5);
Display_Init();
printf("WALL-E\n");
Display_Image("Wall_E");
sleep(5);
}
//reset all GPIOs to '0'
mraa_gpio_write(SCS, 0);
//close all GPIOs
mraa_gpio_close(SCS);
//close all Peripherals
mraa_spi_stop(spi);
mraa_pwm_close(pwm);
fprintf(stdout, "\nSHARP Display exited\n");
return MRAA_SUCCESS;
}
