video_writer::copy_image::copy_image(uint32_t width, uint32_t height, uint32_t pitch)
{
uint32_t w_byte = width * 4 / 16;
uint32_t index = 0;
std::function<void()> funcs[3] =
{
[this] { mov16(); },
[this] { mov32(); },
[this] { mov64(); }
};
for (; index < 2; ++index){
if ((w_byte & 1) == 1)
{
break;
}
else {
w_byte = w_byte / 2;
}
}
mov(r8, w_byte);
mov(r9, height);
mov(r10, pitch * 2);
L("L2");
mov(rax, r8);
L("L1");
funcs[index]();
sub(rax, 1);
jnz("L1");
sub(rcx, r10);
sub(r9, 1);
jnz("L2");
vzeroupper();
ret();
}
Code()
{
vzeroupper();
ret();
}
