yair/gst-plugin-linescan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

videolevels: add prepare_output_buffer

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
gst/videoadjust/gstvideolevels.c
View File

@ -125,6 +125,8 @@ static GstFlowReturn gst_videolevels_transform (GstBaseTransform * base,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_videolevels_get_unit_size (GstBaseTransform * base,
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 */
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->get_unit_size =
GST_DEBUG_FUNCPTR (gst_videolevels_get_unit_size);
/* simply pass the data through if in/out caps are the same */
trans_class->passthrough_on_same_caps = TRUE;
trans_class->prepare_output_buffer =
GST_DEBUG_FUNCPTR (gst_videolevels_prepare_output_buffer);
}
/**
@ -475,6 +476,24 @@ gst_videolevels_get_unit_size (GstBaseTransform * base, GstCaps * caps,
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:
* @base: #GstBaseTransform