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textrender: Don't always use ARGB if downstream supports it but take it's preference

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This commit is contained in:
Sebastian Dröge 2009-05-07 16:52:02 +02:00
parent 2ddf7c8e13
commit 4f5502a896
1 changed files with 9 additions and 1 deletions
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10
ext/pango/gsttextrender.c
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@ -276,12 +276,20 @@ gst_text_render_check_argb (GstTextRender * render)
GST_DEBUG_OBJECT (render, "peer allowed caps (%u structure(s)) are %" GST_DEBUG_OBJECT (render, "peer allowed caps (%u structure(s)) are %"
GST_PTR_FORMAT, n, peer_caps); GST_PTR_FORMAT, n, peer_caps);
/* Check if AYUV or ARGB is first */
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (peer_caps, i); GstStructure *s = gst_caps_get_structure (peer_caps, i);
/* Check if the peer pad support ARGB format, if yes change caps */
if (gst_structure_has_name (s, "video/x-raw-rgb") && if (gst_structure_has_name (s, "video/x-raw-rgb") &&
gst_structure_has_field (s, "alpha_mask")) { gst_structure_has_field (s, "alpha_mask")) {
render->use_ARGB = TRUE; render->use_ARGB = TRUE;
break;
} else if (gst_structure_has_name (s, "video/x-raw-yuv")) {
guint fourcc;
if (gst_structure_get_fourcc (s, "format", &fourcc) &&
fourcc == GST_MAKE_FOURCC ('A', 'Y', 'U', 'V')) {
render->use_ARGB = FALSE;
break;
}
} }
} }
gst_caps_unref (peer_caps); gst_caps_unref (peer_caps);