int RecVideoOverlay::
overlay(VFrame *out)
{
VFrame *in = vframe;
int xx = x * scale, yy = y * scale;
int w = in->get_w(), h = in->get_h();
int ww = w * scale, hh = h * scale;
BC_WindowBase::get_cmodels()->transfer(out->get_rows(), in->get_rows(),
out->get_y(), out->get_u(), out->get_v(),
in->get_y(), in->get_u(), in->get_v(),
0, 0, w, h, xx, yy, ww, hh,
in->get_color_model(), out->get_color_model(), 0,
in->get_bytes_per_line(), out->get_bytes_per_line());
return ticks > 0 && --ticks == 0 ? 1 : 0;
}
int FileDB::read_frame(VFrame *frame)
{
int sw, sh;
mdb->attachDb();
int result = seq_no < clip_size ? 0 : 1;
if( !result ) {
int n = seq_no++;
if( !n ) { frame_id = -1; }
else if( n >= prefix_size ) n += suffix_offset;
result = mdb->get_sequences(clip_id, n);
if( !result && mdb->timeline_sequence_no() == n )
frame_id = mdb->timeline_frame_id();
}
VFrame *fp = frame->get_w() == swidth && frame->get_h() == sheight &&
frame->get_color_model() == BC_YUV420P ? frame :
!vframe ? (vframe = new VFrame(swidth,sheight,BC_YUV420P)) :
vframe;
if( !result ) {
if( frame_id < 0 )
memset(fp->get_y(), 0, swidth*sheight);
else
result = mdb->get_image(frame_id, fp->get_y(), sw,sh);
}
//printf("seq_no=%d, result=%d\n",seq_no,result);
mdb->detachDb();
if( !result ) {
memset(fp->get_u(),0x80,swidth/2 * sheight/2);
memset(fp->get_v(),0x80,swidth/2 * sheight/2);
}
if( !result && fp == vframe ) {
BC_CModels::transfer(frame->get_rows(), fp->get_rows(),
frame->get_y(), frame->get_u(), frame->get_v(),
fp->get_y(), fp->get_u(), fp->get_v(),
0, 0, fp->get_w(), fp->get_h(),
0, 0, frame->get_w(), frame->get_h(),
fp->get_color_model(), frame->get_color_model(), 0,
fp->get_bytes_per_line(), swidth);
}
return result;
}
