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videoconvert: actually use the input pixels

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Operate on the provided pixels array instead of the temp array.
This commit is contained in:
Wim Taymans 2013-05-17 15:41:10 +02:00
parent 38317e3f09
commit 620e3aad07
1 changed files with 4 additions and 6 deletions
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10
gst/videoconvert/videoconvert.c
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@ -332,15 +332,14 @@ static void
videoconvert_dither_verterr (VideoConvert * convert, guint16 * pixels, int j)
{
int i;
guint16 *tmpline = convert->tmpline;
guint16 *errline = convert->errline;
unsigned int mask = 0xff;
for (i = 0; i < 4 * convert->width; i++) {
int x = tmpline[i] + errline[i];
int x = pixels[i] + errline[i];
if (x > 65535)
x = 65535;
tmpline[i] = x;
pixels[i] = x;
errline[i] = x & mask;
}
}
@ -349,7 +348,6 @@ static void
videoconvert_dither_halftone (VideoConvert * convert, guint16 * pixels, int j)
{
int i;
guint16 *tmpline = convert->tmpline;
static guint16 halftone[8][8] = {
{0, 128, 32, 160, 8, 136, 40, 168},
{192, 64, 224, 96, 200, 72, 232, 104},
@ -363,10 +361,10 @@ videoconvert_dither_halftone (VideoConvert * convert, guint16 * pixels, int j)
for (i = 0; i < convert->width * 4; i++) {
int x;
x = tmpline[i] + halftone[(i >> 2) & 7][j & 7];
x = pixels[i] + halftone[(i >> 2) & 7][j & 7];
if (x > 65535)
x = 65535;
tmpline[i] = x;
pixels[i] = x;
}
}