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

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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
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14
veejay-current/libvje/effects/contrast.c
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@@ -19,7 +19,7 @@
*/
#include "contrast.h"
#include "common.h"
vj_effect *contrast_init(int w, int h)
{
vj_effect *ve = (vj_effect *) vj_malloc(sizeof(vj_effect));
@@ -59,19 +59,15 @@ void contrast_cb_apply(VJFrame *frame, int width,int height, int *s) {
cb *= s[2];
cb = (cb + 50)/100;
cb += 128;
if(cb > 235) cb = 235;
if(cb < 16) cb = 16;
cr = Cr[r];
cr -= 128;
cr *= s[2];
cr = (cr + 50)/100;
cr += 128;
if(cr > 235) cr = 235;
if(cr < 16) cr = 16;
Cb[r] = cb;
Cr[r] = cr;
Cb[r] = CLAMP_UV(cb);
Cr[r] = CLAMP_UV(cr);
}
}
@@ -87,9 +83,7 @@ void contrast_y_apply(VJFrame *frame, int width, int height, int *s) {
m *= s[1];
m = (m + 50)/100;
m += 128;
if ( m > 240) m = 240;
if ( m < 16) m = 16;
Y[r] = m;
Y[r] = CLAMP_Y(m);
}
}