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va: filter: add gst_va_filter_enable_cropping ()

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This will toggle the cropping operation in the filter

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2058>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-03-04 15:19:25 +01:00
parent c770469a8a
commit c88abb9291
2 changed files with 39 additions and 3 deletions
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40
sys/va/gstvafilter.c
View file

@ -59,6 +59,8 @@ struct _GstVaFilter
guint rotation;
GstVideoOrientationMethod orientation;
gboolean crop_enabled;
VARectangle input_region;
VARectangle output_region;
@ -854,6 +856,15 @@ gst_va_filter_get_orientation (GstVaFilter * self)
return ret;
}
void
gst_va_filter_enable_cropping (GstVaFilter * self, gboolean cropping)
{
GST_OBJECT_LOCK (self);
if (cropping != self->crop_enabled)
self->crop_enabled = cropping;
GST_OBJECT_UNLOCK (self);
}
static inline GstCaps *
_create_base_caps (GstVaFilter * self)
{
@ -1238,14 +1249,37 @@ static gboolean
_fill_va_sample (GstVaFilter * self, GstVaSample * sample,
GstPadDirection direction)
{
GstVideoCropMeta *crop;
sample->surface = gst_va_buffer_get_surface (sample->buffer);
if (sample->surface == VA_INVALID_ID)
return FALSE;
/* TODO: handle GstVideoCropMeta */
/* XXX: cropping occurs only in input frames */
if (direction == GST_PAD_SRC) {
GST_OBJECT_LOCK (self);
sample->rect = self->output_region;
GST_OBJECT_UNLOCK (self);
return TRUE;
}
/* if buffer has crop meta, its real size is in video meta */
crop = gst_buffer_get_video_crop_meta (sample->buffer);
GST_OBJECT_LOCK (self);
sample->rect = (direction == GST_PAD_SRC) ?
self->output_region : self->input_region;
if (crop && self->crop_enabled) {
/* *INDENT-OFF* */
sample->rect = (VARectangle) {
.x = crop->x,
.y = crop->y,
.width = crop->width,
.height = crop->height
};
/* *INDENT-ON* */
} else {
sample->rect = self->input_region;
}
GST_OBJECT_UNLOCK (self);
return TRUE;

2
sys/va/gstvafilter.h
View file

@ -68,6 +68,8 @@ gboolean gst_va_filter_install_properties (GstVaFilter * self,
gboolean gst_va_filter_set_orientation (GstVaFilter * self,
GstVideoOrientationMethod orientation);
GstVideoOrientationMethod gst_va_filter_get_orientation (GstVaFilter * self);
void gst_va_filter_enable_cropping (GstVaFilter * self,
gboolean cropping);
const gpointer gst_va_filter_get_filter_caps (GstVaFilter * self,
VAProcFilterType type,
guint * num_caps);