Relintai/rpi-fbcp
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Work on the interlaced version.

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Relintai 2020-12-24 00:53:39 +01:00
parent 61c71ad061
commit e0626e0568
1 changed files with 18 additions and 10 deletions
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28
main.c
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@ -101,15 +101,21 @@ int process_interlaced() {
*p1 = (uint32_t *)screenbuf[1], *p1 = (uint32_t *)screenbuf[1],
*p2 = (uint32_t *)screenbuf[2]; *p2 = (uint32_t *)screenbuf[2];
//Only xor the rows we need //Only xor the rows we need
for(int i=row_offset; i< vinfo.xres * vinfo.yres / 2; i += INTERLACE_NUM) { for(int y = row_offset; y < vinfo.yres / 2; y += INTERLACE_NUM) {
p2[i] = p0[i] ^ p1[i]; 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 //not yet sure if needed, but zero out the rest
for(int i= ((row_offset + 1) % INTERLACE_NUM); i< vinfo.xres * vinfo.yres / 2; i += INTERLACE_NUM) { //for(int i= ((row_offset + 1) % INTERLACE_NUM); i< vinfo.xres * vinfo.yres / 2; i += INTERLACE_NUM * vinfo.xres) {
p2[i] = 0; // p2[i] = 0;
} // }
// Find bounding rect of nonzero pixels // Find bounding rect of nonzero pixels
uint32_t first; uint32_t first;
@ -280,9 +286,9 @@ int process_skip_rows() {
} }
//not yet sure if needed, but zero out the rest //not yet sure if needed, but zero out the rest
for(int i= 0; i< vinfo.xres * vinfo.yres / 2; i += SKIP_ROWS) { // for(int i= 0; i< vinfo.xres * vinfo.yres / 2; i += SKIP_ROWS) {
p2[i] = 0; // p2[i] = 0;
} // }
// Find bounding rect of nonzero pixels // Find bounding rect of nonzero pixels
uint32_t first; uint32_t first;
@ -501,7 +507,9 @@ int main(int argc, char **argv) {
setlogmask(LOG_UPTO(LOG_DEBUG)); setlogmask(LOG_UPTO(LOG_DEBUG));
openlog("fbcp", LOG_NDELAY | LOG_PID, LOG_USER); openlog("fbcp", LOG_NDELAY | LOG_PID, LOG_USER);
return process_skip_rows(); //return process();
//return process_skip_rows();
return process_interlaced();
} }