int bobDeintFilter(VideoFilter *f, VideoFrame *frame, int field)
{
(void)field;
BDFilter *filter = (BDFilter *)(f);
int width = frame->width;
int height = frame->height;
int ymax = height;
int stride = frame->pitches[0];
unsigned char *yoff = frame->buf + frame->offsets[0];
unsigned char *uoff = frame->buf + frame->offsets[1];
unsigned char *voff = frame->buf + frame->offsets[2];
if (filter->tmp_size < width)
{
filter->tmp_ptr = (unsigned char *)realloc(
filter->tmp_ptr, width * sizeof(char));
filter->tmp_size = width;
}
if (filter->state_size < height)
{
filter->line_state = (unsigned char *)realloc(
filter->line_state, height * sizeof(char));
filter->state_size = height;
}
doSplit(filter, yoff, ymax, stride);
stride = frame->pitches[1];
ymax = height >> 1;
doSplit(filter, uoff, ymax, stride);
doSplit(filter, voff, ymax, stride);
return 0;
}
void Octree::doSplit(int maxSplit, Node *node) {
// Don't split down any further than 4 levels.
if (maxSplit <= 0 || (node->edges.size() < 5 && node->faces.size() < 5)) {
return;
}
if (!node->split()) {
for (int i = 0; i < 8; ++i) {
doSplit(maxSplit - 1, node->children[i]);
}
}
}
void Octree::splitTree() {
// initially split 4 levels
doSplit(0, root);
}
