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cacasink: fix masks and strides

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Use the right endianness to read the masks.
Use the right strides for the bitmap.

Fixes #638569
This commit is contained in:
Wim Taymans 2011-01-03 18:05:15 +01:00
parent 06b68c81b4
commit c17f7a943d
1 changed files with 13 additions and 5 deletions
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18
ext/libcaca/gstcacasink.c
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@ -209,12 +209,14 @@ gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
{
GstCACASink *cacasink;
GstStructure *structure;
gint endianness;
cacasink = GST_CACASINK (basesink);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &(cacasink->width));
gst_structure_get_int (structure, "height", &(cacasink->height));
gst_structure_get_int (structure, "endianness", &endianness);
gst_structure_get_int (structure, "bpp", (int *) &cacasink->bpp);
gst_structure_get_int (structure, "red_mask", (int *) &cacasink->red_mask);
gst_structure_get_int (structure, "green_mask",
@ -233,10 +235,16 @@ gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
cacasink->blue_mask = GUINT32_FROM_BE (cacasink->blue_mask);
}
else if (cacasink->bpp == 16 || cacasink->bpp == 15) {
cacasink->red_mask = GUINT16_FROM_BE (cacasink->red_mask);
cacasink->green_mask = GUINT16_FROM_BE (cacasink->green_mask);
cacasink->blue_mask = GUINT16_FROM_BE (cacasink->blue_mask);
else if (cacasink->bpp == 16) {
if (endianness == G_BIG_ENDIAN) {
cacasink->red_mask = GUINT16_FROM_BE (cacasink->red_mask);
cacasink->green_mask = GUINT16_FROM_BE (cacasink->green_mask);
cacasink->blue_mask = GUINT16_FROM_BE (cacasink->blue_mask);
} else {
cacasink->red_mask = GUINT16_FROM_LE (cacasink->red_mask);
cacasink->green_mask = GUINT16_FROM_LE (cacasink->green_mask);
cacasink->blue_mask = GUINT16_FROM_LE (cacasink->blue_mask);
}
}
if (cacasink->bitmap) {
@ -246,7 +254,7 @@ gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
cacasink->bitmap = caca_create_bitmap (cacasink->bpp,
cacasink->width,
cacasink->height,
cacasink->width * cacasink->bpp / 8,
GST_ROUND_UP_4 (cacasink->width * cacasink->bpp / 8),
cacasink->red_mask, cacasink->green_mask, cacasink->blue_mask, 0);
if (!cacasink->bitmap) {