void dt_camctl_camera_capture(const dt_camctl_t *c,const dt_camera_t *cam)
{
dt_camctl_t *camctl=(dt_camctl_t *)c;
if( !cam && (cam = camctl->active_camera) == NULL )
{
dt_print(DT_DEBUG_CAMCTL,"[camera_control] Failed to capture from camera, camera==NULL\n");
return;
}
dt_camera_t *camera=(dt_camera_t *)cam;
_camctl_camera_job_t *job=g_malloc(sizeof(_camctl_camera_job_t));
job->type=_JOB_TYPE_EXECUTE_CAPTURE;
_camera_add_job( camctl, camera, job);
}
void dt_camctl_camera_set_property(const dt_camctl_t *c,const dt_camera_t *cam,const char *property_name, const char *value)
{
dt_camctl_t *camctl=(dt_camctl_t *)c;
if( !cam && (cam = camctl->active_camera) == NULL && (cam = camctl->wanted_camera) == NULL )
{
dt_print(DT_DEBUG_CAMCTL,"[camera_control] failed to set property from camera, camera==NULL\n");
return;
}
dt_camera_t *camera=(dt_camera_t *)cam;
_camctl_camera_set_property_job_t *job=g_malloc(sizeof(_camctl_camera_set_property_job_t));
job->type=_JOB_TYPE_SET_PROPERTY;
job->name=g_strdup(property_name);
job->value=g_strdup(value);
// Push the job on the jobqueue
_camera_add_job( camctl, camera, job);
}
static void *dt_camctl_camera_get_live_view(void* data)
{
dt_camctl_t *camctl = (dt_camctl_t*)data;
dt_camera_t *cam = (dt_camera_t*)camctl->active_camera;
dt_print (DT_DEBUG_CAMCTL,"[camera_control] live view thread started\n");
int frames= 0;
double capture_time = dt_get_wtime();
while(cam->is_live_viewing == TRUE)
{
dt_pthread_mutex_lock(&cam->live_view_synch);
// calculate FPS
double current_time = dt_get_wtime();
if(current_time - capture_time >= 1.0)
{
// a second has passed
dt_print(DT_DEBUG_CAMCTL, "%d fps\n", frames+1);
frames = 0;
capture_time = current_time;
}
else
{
// just increase the frame counter
frames++;
}
_camctl_camera_job_t *job = g_malloc(sizeof(_camctl_camera_job_t));
job->type = _JOB_TYPE_EXECUTE_LIVE_VIEW;
_camera_add_job( camctl, cam, job);
g_usleep((1.0/15)*G_USEC_PER_SEC); // never update faster than 15 FPS. going too fast will result in too many redraws without a real benefit
}
dt_print (DT_DEBUG_CAMCTL,"[camera_control] live view thread stopped\n");
return NULL;
}
