int initMotionDetect(MotionDetect* md, const DSFrameInfo* fi,
const char* modName) {
assert(md && fi);
md->fi = *fi;
md->modName = modName;
md->prev = ds_zalloc(md->fi.framesize);
if (!md->prev) {
ds_log_error(md->modName, "malloc failed");
return DS_ERROR;
}
md->curr = 0;
md->currorig = 0;
md->currtmp = 0;
md->hasSeenOneFrame = 0;
// Options
md->stepSize = 6;
md->allowMax = 0;
md->algo = 1;
md->accuracy = 5;
md->shakiness = 5;
md->fieldSize = DS_MIN(md->fi.width, md->fi.height) / 12;
md->show = 0;
md->contrastThreshold = 0.25;
md->maxAngleVariation = 1;
md->initialized = 1;
return DS_OK;
}
/** initialise measurement fields on the frame.
The size of the fields and the maxshift is used to
calculate an optimal distribution in the frame.
*/
int initFields(MotionDetect* md) {
int size = md->fieldSize;
int rows = DS_MAX(3,(md->fi.height - md->maxShift*2)/size-1);
int cols = DS_MAX(3,(md->fi.width - md->maxShift*2)/size-1);
// make sure that the remaining rows have the same length
md->fieldNum = rows * cols;
md->fieldRows = rows;
// ds_log_msg(md->modName, "field setup: rows: %i cols: %i Total: %i fields",
// rows, cols, md->field_num);
if (!(md->fields = (Field*) malloc(sizeof(Field) * md->fieldNum))) {
ds_log_error(md->modName, "malloc failed!\n");
return 0;
} else {
int i, j;
// the border is the amount by which the field centers
// have to be away from the image boundary
// (stepsize is added in case shift is increased through stepsize)
int border = size / 2 + md->maxShift + md->stepSize;
int step_x = (md->fi.width - 2 * border) / DS_MAX(cols-1,1);
int step_y = (md->fi.height - 2 * border) / DS_MAX(rows-1,1);
for (j = 0; j < rows; j++) {
for (i = 0; i < cols; i++) {
int idx = j * cols + i;
md->fields[idx].x = border + i * step_x;
md->fields[idx].y = border + j * step_y;
md->fields[idx].size = size;
}
}
}
return 1;
}
int main()
{
int errno;
pthread_t tid;
int a = 0;
errno = pthread_create(&tid, NULL, print_test, NULL);
if (0 != errno)
{
ds_log_error("thread create failed");
}
ds_log_error("a=%d, str=%s", a, "main thread");
return 0;
}
void *print_test1(void *args)
{
ds_log_error("thread1 print");
return ((void *)0);
}
