int main(int argc, char** argv) {
PORT_USERDATA userdata;
MMAL_STATUS_T status;
cairo_surface_t *surface,*surface2;
cairo_t *context,*context2;
int i;
int duration = 1;
int valid = 1;
char text[256];
strcpy (text,"Camera 1");
for (i = 1; i < argc && valid; i++)
{
if (strcmp(argv[i], "-s")==0) {
strcpy(text, argv[i + 1]);
i++;
}
if (strcmp(argv[i], "-t")==0) {
sscanf(argv[i + 1], "%u", &duration);
i++;
}
if (strcmp(argv[i], "-d")==0) {
}
}
//fprintf(stderr, "CAPTION : %s\n", text);
duration = 3;
memset(&userdata, 0, sizeof (PORT_USERDATA));
userdata.width = VIDEO_WIDTH;
userdata.height = VIDEO_HEIGHT;
userdata.fps = 0.0;
//fprintf(stderr, "VIDEO_WIDTH : %i\n", userdata.width );
//fprintf(stderr, "VIDEO_HEIGHT: %i\n", userdata.height );
//fprintf(stderr, "VIDEO_FPS : %i\n", VIDEO_FPS);
//fprintf(stderr, "Running...\n");
bcm_host_init();
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 100);
context = cairo_create(surface);
cairo_rectangle(context, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context);
userdata.overlay_buffer = cairo_image_surface_get_data(surface);
userdata.overlay = 1;
surface2 = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 100);
context2 = cairo_create(surface2);
cairo_rectangle(context2, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context2, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context2);
userdata.overlay_buffer2 = cairo_image_surface_get_data(surface2);
if (1 && setup_camera(&userdata) != 0) {
fprintf(stderr, "Error: setup camera %x\n", status);
return -1;
}
if (1 && setup_encoder(&userdata) != 0) {
fprintf(stderr, "Error: setup encoder %x\n", status);
return -1;
}
if (1 && setup_preview(&userdata) != 0) {
fprintf(stderr, "Error: setup preview %x\n", status);
return -1;
}
while (duration >0) {
//Update Draw to unused buffer that way there is no flickering of the overlay text if the overlay update rate
//and video FPS are not the same
if (userdata.overlay == 1) {
cairo_rectangle(context, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context);
cairo_move_to(context, 0.0, 0.0);
cairo_set_source_rgba(context, 1.0, 1.0, 1.0, 1.0);
cairo_move_to(context, 0.0, 30.0);
cairo_set_font_size(context, 20.0);
//sprintf(text, "%.2fFPS GPS: %.3f, %.3f Speed %.1fkm/h b0", userdata.fps,lat,lon,speed);
cairo_show_text(context, text);
userdata.overlay = 0;
}
else {
cairo_rectangle(context2, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context2, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context2);
cairo_move_to(context2, 0.0, 0.0);
cairo_set_source_rgba(context2, 1.0, 1.0, 1.0, 1.0);
cairo_move_to(context2, 0.0, 30.0);
cairo_set_font_size(context2, 20.0);
//sprintf(text, "%.2fFPS GPS: %.3f, %.3f Speed %.1fkm/h b1", userdata.fps,lat,lon,speed);
//sprintf(text, "%.2fFPS GPS: 0.00000, 0.00000 Speed 0km/h b1", userdata.fps);
cairo_show_text(context2, text);
userdata.overlay = 1;
}
duration--;
usleep(30000);
}
return 0;
}
int main(int argc, char** argv) {
PORT_USERDATA userdata;
MMAL_STATUS_T status;
cairo_surface_t *surface,*surface2;
cairo_t *context,*context2;
memset(&userdata, 0, sizeof (PORT_USERDATA));
userdata.width = VIDEO_WIDTH;
userdata.height = VIDEO_HEIGHT;
userdata.fps = 0.0;
fprintf(stderr, "VIDEO_WIDTH : %i\n", userdata.width );
fprintf(stderr, "VIDEO_HEIGHT: %i\n", userdata.height );
fprintf(stderr, "VIDEO_FPS : %i\n", VIDEO_FPS);
fprintf(stderr, "Running...\n");
bcm_host_init();
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 100);
context = cairo_create(surface);
cairo_rectangle(context, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context);
userdata.overlay_buffer = cairo_image_surface_get_data(surface);
userdata.overlay = 1;
surface2 = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 100);
context2 = cairo_create(surface2);
cairo_rectangle(context2, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context2, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context2);
userdata.overlay_buffer2 = cairo_image_surface_get_data(surface2);
if (1 && setup_camera(&userdata) != 0) {
fprintf(stderr, "Error: setup camera %x\n", status);
return -1;
}
if (1 && setup_encoder(&userdata) != 0) {
fprintf(stderr, "Error: setup encoder %x\n", status);
return -1;
}
if (1 && setup_preview(&userdata) != 0) {
fprintf(stderr, "Error: setup preview %x\n", status);
return -1;
}
char text[256];
//fake Speed and GPS data
float lat = 47.4912;
float lon = 8.906;
float speed = 20.0;
while (1) {
//Update Draw to unused buffer that way there is no flickering of the overlay text if the overlay update rate
//and video FPS are not the same
if (userdata.overlay == 1) {
cairo_rectangle(context, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context);
cairo_move_to(context, 0.0, 0.0);
cairo_set_source_rgba(context, 1.0, 1.0, 1.0, 1.0);
cairo_move_to(context, 0.0, 30.0);
cairo_set_font_size(context, 20.0);
sprintf(text, "%.2fFPS GPS: %.3f, %.3f Speed %.1fkm/h b0", userdata.fps,lat,lon,speed);
cairo_show_text(context, text);
userdata.overlay = 0;
}
else {
cairo_rectangle(context2, 0.0, 0.0, 600, 100);
cairo_set_source_rgba(context2, 0.0, 0.0, 0.0, 1.0);
cairo_fill(context2);
cairo_move_to(context2, 0.0, 0.0);
cairo_set_source_rgba(context2, 1.0, 1.0, 1.0, 1.0);
cairo_move_to(context2, 0.0, 30.0);
cairo_set_font_size(context2, 20.0);
sprintf(text, "%.2fFPS GPS: %.3f, %.3f Speed %.1fkm/h b1", userdata.fps,lat,lon,speed);
//sprintf(text, "%.2fFPS GPS: 0.00000, 0.00000 Speed 0km/h b1", userdata.fps);
cairo_show_text(context2, text);
userdata.overlay = 1;
}
lat += 0.01;
lon += 0.01;
speed += 0.1;
usleep(30000);
}
return 0;
}
