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authorSebastian Dröge <sebastian.droege@collabora.co.uk>2009-07-17 13:42:49 +0200
committerSebastian Dröge <sebastian.droege@collabora.co.uk>2009-07-17 13:42:49 +0200
commit7ba6ef66725364b1ed72e77b25d3451dfb01f97c (patch)
tree50bff2f1d662e858c2bb6f87b9579dec6a09e2c4
parent52f17631d99fff021f1320f25dc6607aaf65da43 (diff)
cairorender: Return not-negotiated if we have no caps
-rw-r--r--ext/cairo/gstcairorender.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/cairo/gstcairorender.c b/ext/cairo/gstcairorender.c
index 883945b13..060ec9024 100644
--- a/ext/cairo/gstcairorender.c
+++ b/ext/cairo/gstcairorender.c
@@ -117,6 +117,9 @@ gst_cairo_render_chain (GstPad * pad, GstBuffer * buf)
cairo_surface_t *s;
gboolean success;
+ if (G_UNLIKELY (c->width <= 0 || c->height <= 0 || c->stride <= 0))
+ return GST_FLOW_NOT_NEGOTIATED;
+
if (c->png) {
GST_BUFFER_OFFSET (buf) = 0;
s = cairo_image_surface_create_from_png_stream (read_buffer, buf);
@@ -278,6 +281,7 @@ gst_cairo_render_init (GstCairoRender * c, GstCairoRenderClass * klass)
c->width = 0;
c->height = 0;
+ c->stride = 0;
}
static void