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vaapipostproc: handle navigation downstream event

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When navigation events contains coordiantes those have to be mapped
to the new size and/or orientation.
This commit is contained in:
Víctor Manuel Jáquez Leal 2019-07-15 21:51:46 +02:00
parent a6aba119b4
commit 6cb3e741fd
1 changed files with 86 additions and 0 deletions
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86
gst/vaapi/gstvaapipostproc.c
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@ -1571,6 +1571,91 @@ gst_vaapipostproc_decide_allocation (GstBaseTransform * trans, GstQuery * query)
query);
}
static gboolean
gst_vaapipostproc_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
gdouble new_x = 0, new_y = 0, x = 0, y = 0;
GstStructure *structure;
gboolean ret;
GST_DEBUG_OBJECT (postproc, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &x) &&
gst_structure_get_double (structure, "pointer_y", &y)) {
GST_DEBUG_OBJECT (postproc, "converting %fx%f", x, y);
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_SIZE) {
if ((GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info)
!= GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info))
&& (GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info)
!= GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info))) {
new_x =
x * GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info) /
GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info);
new_y =
y * GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info) /
GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info);
}
} else if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_VIDEO_DIRECTION) {
switch (gst_vaapi_filter_get_video_direction (postproc->filter)) {
case GST_VIDEO_ORIENTATION_90R:
new_x = y;
new_y = GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info) - x;
break;
case GST_VIDEO_ORIENTATION_90L:
new_x = GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info) - y;
new_y = x;
break;
case GST_VIDEO_ORIENTATION_UR_LL:
new_x = GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info) - y;
new_y = GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info) - x;
break;
case GST_VIDEO_ORIENTATION_UL_LR:
new_x = y;
new_y = x;
break;
case GST_VIDEO_ORIENTATION_180:
new_x = GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info) - x;
new_y = GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info) - y;
break;
case GST_VIDEO_ORIENTATION_HORIZ:
new_x = GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info) - x;
new_y = y;
break;
case GST_VIDEO_ORIENTATION_VERT:
new_x = x;
new_y = GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info) - y;
break;
default:
new_x = x;
new_y = y;
break;
}
}
GST_DEBUG_OBJECT (postproc, "to %fx%f", new_x, new_y);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, new_x,
"pointer_y", G_TYPE_DOUBLE, new_y, NULL);
}
break;
default:
break;
}
ret =
GST_BASE_TRANSFORM_CLASS (gst_vaapipostproc_parent_class)->src_event
(trans, event);
return ret;
}
static gboolean
gst_vaapipostproc_sink_event (GstBaseTransform * trans, GstEvent * event)
{
@ -1807,6 +1892,7 @@ gst_vaapipostproc_class_init (GstVaapiPostprocClass * klass)
trans_class->query = gst_vaapipostproc_query;
trans_class->propose_allocation = gst_vaapipostproc_propose_allocation;
trans_class->decide_allocation = gst_vaapipostproc_decide_allocation;
trans_class->src_event = gst_vaapipostproc_src_event;
trans_class->sink_event = gst_vaapipostproc_sink_event;
trans_class->prepare_output_buffer = gst_vaapipostproc_prepare_output_buffer;