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videolevels: add prepare_output_buffer

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To try and fix problem with camerabin2, and remove mistakenly added file.
This commit is contained in:
Joshua M. Doe 2012-06-28 01:16:59 -04:00
parent 802b6c5fa8
commit 0a54477f2d
1 changed files with 22 additions and 3 deletions
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25
gst/videoadjust/gstvideolevels.c
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@ -125,6 +125,8 @@ static GstFlowReturn gst_videolevels_transform (GstBaseTransform * base,
GstBuffer * inbuf, GstBuffer * outbuf); GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_videolevels_get_unit_size (GstBaseTransform * base, static gboolean gst_videolevels_get_unit_size (GstBaseTransform * base,
GstCaps * caps, guint * size); GstCaps * caps, guint * size);
static GstFlowReturn gst_videolevels_prepare_output_buffer (GstBaseTransform *
base, GstBuffer * in_buf, gint size, GstCaps * caps, GstBuffer ** out_buf);
/* GstVideoLevels method declarations */ /* GstVideoLevels method declarations */
static void gst_videolevels_reset (GstVideoLevels * filter); static void gst_videolevels_reset (GstVideoLevels * filter);
@ -239,9 +241,8 @@ gst_videolevels_class_init (GstVideoLevelsClass * object)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_videolevels_transform); trans_class->transform = GST_DEBUG_FUNCPTR (gst_videolevels_transform);
trans_class->get_unit_size = trans_class->get_unit_size =
GST_DEBUG_FUNCPTR (gst_videolevels_get_unit_size); GST_DEBUG_FUNCPTR (gst_videolevels_get_unit_size);
trans_class->prepare_output_buffer =
/* simply pass the data through if in/out caps are the same */ GST_DEBUG_FUNCPTR (gst_videolevels_prepare_output_buffer);
trans_class->passthrough_on_same_caps = TRUE;
} }
/** /**
@ -475,6 +476,24 @@ gst_videolevels_get_unit_size (GstBaseTransform * base, GstCaps * caps,
return TRUE; return TRUE;
} }
static GstFlowReturn
gst_videolevels_prepare_output_buffer (GstBaseTransform * base,
GstBuffer * in_buf, gint size, GstCaps * caps, GstBuffer ** out_buf)
{
GstVideoLevels *levels = GST_VIDEOLEVELS (base);
GstFlowReturn ret = GST_FLOW_OK;
ret = gst_pad_alloc_buffer (base->srcpad, 0, size, caps, out_buf);
if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (levels,
"Couldn't get pad to alloc buffer, creating one directly");
*out_buf = gst_buffer_new_and_alloc (size);
}
return ret;
}
/** /**
* gst_videolevels_transform: * gst_videolevels_transform:
* @base: #GstBaseTransform * @base: #GstBaseTransform