eessppeelllloo/veejay
1
0
Fork 0
mirror of https://github.com/game-stop/veejay.git synced 2025-12-19 22:30:06 +01:00
Code Issues Packages Projects Releases Wiki Activity

full range yuv (jpeg) for 420,422, decode videoframe before completing open, scan pixel format, changed clamping were applicable in fx

Browse Source 
git-svn-id: svn://code.dyne.org/veejay/trunk@672 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2006-10-21 00:46:19 +00:00
parent 349931cc52
commit ae616b5448
44 changed files with 415 additions and 630 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
veejay-current/libvje/effects/keyselect.c
View File

@@ -74,12 +74,10 @@ uint8_t blend_func1(uint8_t a, uint8_t b) {
uint8_t blend_func2(uint8_t a, uint8_t b) {
uint8_t val;
if(a < 16) a = 16;
if(b < 16) b = 16;
if(a < pixel_Y_lo_) a = pixel_Y_lo_;
if(b < pixel_Y_lo_) b = pixel_Y_lo_;
val = 255 - ((255-b) * (255-b))/a;
if(val < 16)val=16;
if(val > 235) val=235;
return val;
return CLAMP_Y(val);
}
uint8_t blend_func3(uint8_t a , uint8_t b) {
@@ -89,28 +87,23 @@ uint8_t blend_func3(uint8_t a , uint8_t b) {
uint8_t blend_func4(uint8_t a, uint8_t b) {
uint8_t val;
if(b > 235) b = 235;
if(b > pixel_Y_hi_) b = pixel_Y_hi_;
val = (a * a) / ( 255 - b );
if(val < 16) val = a;
if(val > 235) val = a;
return val;
return CLAMP_Y(val);
}
uint8_t blend_func5(uint8_t a, uint8_t b) {
uint8_t val;
int c = 255 - b;
if(c<16)c=16;
if( c < pixel_Y_lo_ )
c = pixel_Y_lo_;
val = b / c;
if(val > 235) val = 235;
if(val < 16) val = 16;
return val;
return CLAMP_Y(val);
}
uint8_t blend_func6(uint8_t a, uint8_t b) {
uint8_t val = a + (2 * (b)) - 235;
if(val < 16) val = 16;
if(val > 235) val = 235;
return val;
uint8_t val = a + (2 * (b)) - 255;
return CLAMP_Y(val);
}
uint8_t blend_func7(uint8_t a, uint8_t b) {
@@ -121,8 +114,7 @@ uint8_t blend_func8(uint8_t a, uint8_t b) {
int c;
if(b < 128) c = (a * b) >> 7;
else c = 255 - ((255-b)*(255-a)>>7);
if(c<16)c=16;
return (uint8_t) c;
return CLAMP_Y(c);
}
@@ -166,7 +158,7 @@ void keyselect_apply( VJFrame *frame, VJFrame *frame2, int width,
uint8_t *Y2 = frame2->data[0];
uint8_t *Cb2= frame2->data[1];
uint8_t *Cr2= frame2->data[2];
int iy=16,iu=128,iv=128;
int iy=pixel_Y_lo_,iu=128,iv=128;
_rgb2yuv( r,g,b, iy,iu,iv );
_y = (float) iy;
aa = (float) iu;