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shapewipe: Proxy bufferalloc on the video sinkpad

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This commit is contained in:
Sebastian Dröge 2009-06-09 18:37:43 +02:00
parent 80d5bd7168
commit 09094f2f3d
1 changed files with 23 additions and 0 deletions
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23
gst/shapewipe/gstshapewipe.c
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@ -67,6 +67,8 @@ static gboolean gst_shape_wipe_video_sink_event (GstPad * pad,
static gboolean gst_shape_wipe_video_sink_setcaps (GstPad * pad, static gboolean gst_shape_wipe_video_sink_setcaps (GstPad * pad,
GstCaps * caps); GstCaps * caps);
static GstCaps *gst_shape_wipe_video_sink_getcaps (GstPad * pad); static GstCaps *gst_shape_wipe_video_sink_getcaps (GstPad * pad);
static GstFlowReturn gst_shape_wipe_video_sink_bufferalloc (GstPad * pad,
guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
static GstFlowReturn gst_shape_wipe_mask_sink_chain (GstPad * pad, static GstFlowReturn gst_shape_wipe_mask_sink_chain (GstPad * pad,
GstBuffer * buffer); GstBuffer * buffer);
static gboolean gst_shape_wipe_mask_sink_event (GstPad * pad, GstEvent * event); static gboolean gst_shape_wipe_mask_sink_event (GstPad * pad, GstEvent * event);
@ -165,6 +167,8 @@ gst_shape_wipe_init (GstShapeWipe * self, GstShapeWipeClass * g_class)
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_setcaps)); GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_setcaps));
gst_pad_set_getcaps_function (self->video_sinkpad, gst_pad_set_getcaps_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_getcaps)); GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_getcaps));
gst_pad_set_bufferalloc_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_bufferalloc));
gst_element_add_pad (GST_ELEMENT (self), self->video_sinkpad); gst_element_add_pad (GST_ELEMENT (self), self->video_sinkpad);
self->mask_sinkpad = self->mask_sinkpad =
@ -265,6 +269,25 @@ gst_shape_wipe_reset (GstShapeWipe * self)
gst_segment_init (&self->segment, GST_FORMAT_TIME); gst_segment_init (&self->segment, GST_FORMAT_TIME);
} }
static GstFlowReturn
gst_shape_wipe_video_sink_bufferalloc (GstPad * pad, guint64 offset, guint size,
GstCaps * caps, GstBuffer ** buf)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
GstFlowReturn ret = GST_FLOW_OK;
GST_DEBUG_OBJECT (pad, "Allocating buffer with offset 0x%" G_GINT64_MODIFIER
"x and size %u with caps: %" GST_PTR_FORMAT, offset, size, caps);
*buf = NULL;
ret = gst_pad_alloc_buffer (self->srcpad, offset, size, caps, buf);
gst_object_unref (self);
return ret;
}
static gboolean static gboolean
gst_shape_wipe_video_sink_setcaps (GstPad * pad, GstCaps * caps) gst_shape_wipe_video_sink_setcaps (GstPad * pad, GstCaps * caps)
{ {