/*
* GStreamer
- * Copyright (C) 2010 Luis de Bethencourt <luis@debethencourt.com>
+ * Copyright (C) >2010-2012> Luis de Bethencourt <luis@debethencourt.com>
*
* Burn - curve adjustment video effect.
* Based on Pete Warden's FreeFrame plugin with the same name.
#include "gstplugin.h"
#include "gstburn.h"
-#include <gst/video/video.h>
-
GST_DEBUG_CATEGORY_STATIC (gst_burn_debug);
#define GST_CAT_DEFAULT gst_burn_debug
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
-#define CAPS_STR GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGBx
+#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }")
#else
-#define CAPS_STR GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR
+#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }")
#endif
+G_DEFINE_TYPE (GstBurn, gst_burn, GST_TYPE_VIDEO_FILTER);
+
/* Filter signals and args. */
enum
{
GST_STATIC_CAPS (CAPS_STR)
);
-GST_BOILERPLATE (GstBurn, gst_burn, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
-
static void gst_burn_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_burn_get_property (GObject * object, guint prop_id,
/* GObject vmethod implementations */
+/* Initialize the burn's class. */
static void
-gst_burn_base_init (gpointer gclass)
+gst_burn_class_init (GstBurnClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = (GstElementClass *) klass;
+ GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
- gst_element_class_set_details_simple (element_class,
- "Burn",
+ gst_element_class_set_details_simple (gstelement_class, "Burn",
"Filter/Effect/Video",
"Burn adjusts the colors in the video signal.",
"Luis de Bethencourt <luis@debethencourt.com>");
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_factory));
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
-}
-
-/* Initialize the burn's class. */
-static void
-gst_burn_class_init (GstBurnClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
- GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_burn_set_property;
gobject_class->get_property = gst_burn_get_property;
* initialize instance structure.
*/
static void
-gst_burn_init (GstBurn * filter, GstBurnClass * gclass)
+gst_burn_init (GstBurn * filter)
{
filter->adjustment = DEFAULT_ADJUSTMENT;
filter->silent = FALSE;
gst_burn_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
- GstBurn *filter = GST_BURN (btrans);
- GstStructure *structure;
- gboolean ret = FALSE;
+ GstBurn *burn = GST_BURN (btrans);
+ GstVideoInfo info;
- structure = gst_caps_get_structure (incaps, 0);
+ if (!gst_video_info_from_caps (&info, incaps))
+ goto invalid_caps;
- GST_OBJECT_LOCK (filter);
- if (gst_structure_get_int (structure, "width", &filter->width) &&
- gst_structure_get_int (structure, "height", &filter->height)) {
- ret = TRUE;
- }
- GST_OBJECT_UNLOCK (filter);
+ burn->info = info;
+
+ burn->width = GST_VIDEO_INFO_WIDTH (&info);
+ burn->height = GST_VIDEO_INFO_HEIGHT (&info);
+
+ return TRUE;
- return ret;
+ /* ERRORS */
+invalid_caps:
+ {
+ GST_DEBUG_OBJECT (btrans, "could not parse caps");
+ return FALSE;
+ }
}
/* Actual processing. */
{
GstBurn *filter = GST_BURN (btrans);
gint video_size, adjustment;
- guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
- guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
+ guint32 *src, *dest;
GstClockTime timestamp;
gint64 stream_time;
+ GstVideoFrame in_frame, out_frame;
+
+ gst_video_frame_map (&in_frame, &filter->info, in_buf, GST_MAP_READ);
+ gst_video_frame_map (&out_frame, &filter->info, out_buf, GST_MAP_WRITE);
+
+ src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
+ dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
video_size = filter->width * filter->height;