mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 12:11:13 +00:00
Code Issues 1 Projects Releases Wiki Activity

geometrictransform: use 1.0 videofilter baseclass functions

Browse source 
Port to the new functions of the videofilter class
This commit is contained in:
Thiago Santos 2012-04-13 14:07:05 -03:00
parent d5f2feb8ec
commit c13359f583
1 changed files with 42 additions and 56 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

74
gst/geometrictransform/gstgeometrictransform.c
View file

@ -128,28 +128,25 @@ end:
}
static gboolean
gst_geometric_transform_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
gst_geometric_transform_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstGeometricTransform *gt;
gboolean ret;
gboolean ret = TRUE;
gint old_width;
gint old_height;
GstGeometricTransformClass *klass;
GstVideoInfo vinfo;
gt = GST_GEOMETRIC_TRANSFORM_CAST (btrans);
gt = GST_GEOMETRIC_TRANSFORM_CAST (vfilter);
klass = GST_GEOMETRIC_TRANSFORM_GET_CLASS (gt);
old_width = gt->width;
old_height = gt->height;
ret = gst_video_info_from_caps (&vinfo, incaps);
if (ret) {
gt->width = vinfo.width;
gt->height = vinfo.height;
gt->row_stride = vinfo.stride[0];
gt->pixel_stride = GST_VIDEO_INFO_COMP_PSTRIDE (&vinfo, 0);
gt->width = in_info->width;
gt->height = in_info->height;
gt->row_stride = in_info->stride[0];
gt->pixel_stride = GST_VIDEO_INFO_COMP_PSTRIDE (in_info, 0);
/* regenerate the map */
GST_OBJECT_LOCK (gt);
@ -164,13 +161,12 @@ gst_geometric_transform_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
gst_geometric_transform_generate_map (gt);
}
GST_OBJECT_UNLOCK (gt);
}
return ret;
}
static void
gst_geometric_transform_do_map (GstGeometricTransform * gt, GstBuffer * inbuf,
GstBuffer * outbuf, gint x, gint y, gdouble in_x, gdouble in_y)
gst_geometric_transform_do_map (GstGeometricTransform * gt, guint8 * in_data,
guint8 * out_data, gint x, gint y, gdouble in_x, gdouble in_y)
{
gint in_offset;
gint out_offset;
@ -203,26 +199,9 @@ gst_geometric_transform_do_map (GstGeometricTransform * gt, GstBuffer * inbuf,
/* only set the values if the values are valid */
if (trunc_x >= 0 && trunc_x < gt->width && trunc_y >= 0 &&
trunc_y < gt->height) {
GstMapInfo in_info;
GstMapInfo out_info;
if (!gst_buffer_map (outbuf, &out_info, GST_MAP_WRITE)) {
GST_WARNING_OBJECT (gt, "Failed to map output buffer");
return;
}
if (!gst_buffer_map (inbuf, &in_info, GST_MAP_READ)) {
GST_WARNING_OBJECT (gt, "Failed to map input buffer");
gst_buffer_unmap (outbuf, &out_info);
return;
}
in_offset = trunc_y * gt->row_stride + trunc_x * gt->pixel_stride;
memcpy (out_info.data + out_offset,
in_info.data + in_offset, gt->pixel_stride);
gst_buffer_unmap (outbuf, &out_info);
gst_buffer_unmap (inbuf, &in_info);
memcpy (out_data + out_offset, in_data + in_offset, gt->pixel_stride);
}
}
}
@ -245,21 +224,23 @@ gst_geometric_transform_before_transform (GstBaseTransform * trans,
}
static GstFlowReturn
gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf,
GstBuffer * outbuf)
gst_geometric_transform_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstGeometricTransform *gt;
GstGeometricTransformClass *klass;
gint x, y;
GstFlowReturn ret = GST_FLOW_OK;
gdouble *ptr;
GstMapInfo out_info;
guint8 *in_data;
guint8 *out_data;
gt = GST_GEOMETRIC_TRANSFORM_CAST (trans);
gt = GST_GEOMETRIC_TRANSFORM_CAST (vfilter);
klass = GST_GEOMETRIC_TRANSFORM_GET_CLASS (gt);
gst_buffer_map (outbuf, &out_info, GST_MAP_WRITE);
memset (out_info.data, 0, out_info.size);
in_data = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
out_data = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
memset (out_data, 0, out_frame->map[0].size);
GST_OBJECT_LOCK (gt);
if (gt->precalc_map) {
@ -276,7 +257,8 @@ gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf,
for (y = 0; y < gt->height; y++) {
for (x = 0; x < gt->width; x++) {
/* do the mapping */
gst_geometric_transform_do_map (gt, buf, outbuf, x, y, ptr[0], ptr[1]);
gst_geometric_transform_do_map (gt, in_data, out_data, x, y, ptr[0],
ptr[1]);
ptr += 2;
}
}
@ -286,7 +268,8 @@ gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf,
gdouble in_x, in_y;
if (klass->map_func (gt, x, y, &in_x, &in_y)) {
gst_geometric_transform_do_map (gt, buf, outbuf, x, y, in_x, in_y);
gst_geometric_transform_do_map (gt, in_data, out_data, x, y, in_x,
in_y);
} else {
GST_WARNING_OBJECT (gt, "Failed to do mapping for %d %d", x, y);
ret = GST_FLOW_ERROR;
@ -297,7 +280,6 @@ gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf,
}
end:
GST_OBJECT_UNLOCK (gt);
gst_buffer_unmap (outbuf, &out_info);
return ret;
}
@ -372,9 +354,11 @@ gst_geometric_transform_class_init (gpointer klass, gpointer class_data)
{
GObjectClass *obj_class;
GstBaseTransformClass *trans_class;
GstVideoFilterClass *vfilter_class;
obj_class = (GObjectClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
vfilter_class = (GstVideoFilterClass *) klass;
parent_class = g_type_class_peek_parent (klass);
@ -384,12 +368,14 @@ gst_geometric_transform_class_init (gpointer klass, gpointer class_data)
GST_DEBUG_FUNCPTR (gst_geometric_transform_get_property);
trans_class->stop = GST_DEBUG_FUNCPTR (gst_geometric_transform_stop);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_geometric_transform_set_caps);
trans_class->transform =
GST_DEBUG_FUNCPTR (gst_geometric_transform_transform);
trans_class->before_transform =
GST_DEBUG_FUNCPTR (gst_geometric_transform_before_transform);
vfilter_class->set_info =
GST_DEBUG_FUNCPTR (gst_geometric_transform_set_info);
vfilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_geometric_transform_transform_frame);
g_object_class_install_property (obj_class, PROP_OFF_EDGE_PIXELS,
g_param_spec_enum ("off-edge-pixels", "Off edge pixels",
"What to do with off edge pixels",