Bit more work.

This commit is contained in:
Relintai 2020-12-24 01:17:03 +01:00
parent e0626e0568
commit b6f00dd45f

13
main.c
View File

@ -188,7 +188,7 @@ int process_interlaced() {
vc_dispmanx_display_close(display);
}
#define SKIP_ROWS 1
#define SKIP_ROWS 2
int process_skip_rows() {
DISPMANX_DISPLAY_HANDLE_T display;
@ -281,8 +281,13 @@ int process_skip_rows() {
*p2 = (uint32_t *)screenbuf[2];
//Only xor the rows we need
for(int i=0; i< vinfo.xres * vinfo.yres / 2; i += SKIP_ROWS) {
for(int y = 0; y < vinfo.yres / 2; y += SKIP_ROWS) {
int i = y * vinfo.xres;
for(int x=0; x < vinfo.xres; ++x) {
p2[i] = p0[i] ^ p1[i];
++i;
}
}
//not yet sure if needed, but zero out the rest
@ -508,8 +513,8 @@ int main(int argc, char **argv) {
openlog("fbcp", LOG_NDELAY | LOG_PID, LOG_USER);
//return process();
//return process_skip_rows();
return process_interlaced();
return process_skip_rows();
//return process_interlaced();
}