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gdkpixbufoverlay: make most properties controllable and flag them as mutable-playing

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This commit is contained in:
Tim-Philipp Müller 2012-03-18 00:11:19 +00:00
parent fdb7ec12b4
commit a4860b3c01
3 changed files with 47 additions and 18 deletions
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2
ext/gdk_pixbuf/Makefile.am
View file

@ -4,10 +4,12 @@ libgstgdkpixbuf_la_SOURCES = gstgdkpixbuf.c gstgdkpixbufsink.c pixbufscale.c \
gstgdkpixbufoverlay.c
libgstgdkpixbuf_la_CFLAGS = \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_CONTROLLER_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(GST_CFLAGS) $(GDK_PIXBUF_CFLAGS)
libgstgdkpixbuf_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \
$(GST_CONTROLLER_LIBS) \
$(GST_BASE_LIBS) \
$(GST_LIBS) $(GDK_PIXBUF_LIBS)
libgstgdkpixbuf_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

3
ext/gdk_pixbuf/gstgdkpixbuf.c
View file

@ -23,6 +23,7 @@
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/controller/gstcontroller.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <string.h>
@ -549,6 +550,8 @@ plugin_init (GstPlugin * plugin)
if (!pixbufscale_init (plugin))
return FALSE;
gst_controller_init (NULL, NULL);
/* plugin initialisation succeeded */
return TRUE;
}

60
ext/gdk_pixbuf/gstgdkpixbufoverlay.c
View file

@ -49,6 +49,7 @@
#endif
#include <gst/gst.h>
#include <gst/controller/gstcontroller.h>
#include "gstgdkpixbufoverlay.h"
@ -65,6 +66,8 @@ static gboolean gst_gdk_pixbuf_overlay_start (GstBaseTransform * trans);
static gboolean gst_gdk_pixbuf_overlay_stop (GstBaseTransform * trans);
static GstFlowReturn
gst_gdk_pixbuf_overlay_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
static void gst_gdk_pixbuf_overlay_before_transform (GstBaseTransform * trans,
GstBuffer * outbuf);
static gboolean
gst_gdk_pixbuf_overlay_set_caps (GstBaseTransform * trans, GstCaps * incaps,
GstCaps * outcaps);
@ -141,39 +144,49 @@ gst_gdk_pixbuf_overlay_class_init (GstGdkPixbufOverlayClass * klass)
GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_overlay_set_caps);
basetrans_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_overlay_transform_ip);
basetrans_class->before_transform =
GST_DEBUG_FUNCPTR (gst_gdk_pixbuf_overlay_before_transform);
g_object_class_install_property (gobject_class, PROP_LOCATION,
g_param_spec_string ("location", "location",
"location of image file to overlay", NULL,
"Location of image file to overlay", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OFFSET_X,
g_param_spec_int ("offset-x", "X Offset",
"horizontal offset of overlay image in pixels from top-left corner "
"Horizontal offset of overlay image in pixels from top-left corner "
"of video image", G_MININT, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OFFSET_Y,
g_param_spec_int ("offset-y", "Y Offset",
"vertical offset of overlay image in pixels from top-left corner "
"Vertical offset of overlay image in pixels from top-left corner "
"of video image", G_MININT, G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RELATIVE_X,
g_param_spec_double ("relative-x", "Relative X Offset",
"horizontal offset of overlay image in fractions of video image "
"width, from top-left corner of video image",
0.0, 1.0, 0.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
"Horizontal offset of overlay image in fractions of video image "
"width, from top-left corner of video image", 0.0, 1.0, 0.0,
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RELATIVE_Y,
g_param_spec_double ("relative-y", "Relative Y Offset",
"vertical offset of overlay image in fractions of video image "
"height, from top-left corner of video image",
0.0, 1.0, 0.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
"Vertical offset of overlay image in fractions of video image "
"height, from top-left corner of video image", 0.0, 1.0, 0.0,
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OVERLAY_WIDTH,
g_param_spec_int ("overlay-width", "Overlay Width",
"width of overlay image in pixels (0 = same as overlay image)",
0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
"Width of overlay image in pixels (0 = same as overlay image)", 0,
G_MAXINT, 0,
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OVERLAY_HEIGHT,
g_param_spec_int ("overlay-height", "Overlay Height",
"height of overlay image in pixels (0 = same as overlay image)",
0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
"Height of overlay image in pixels (0 = same as overlay image)", 0,
G_MAXINT, 0,
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (gdkpixbufoverlay_debug, "gdkpixbufoverlay", 0,
"debug category for gdkpixbufoverlay element");
@ -462,12 +475,23 @@ gst_gdk_pixbuf_overlay_update_composition (GstGdkPixbufOverlay * overlay)
overlay->comp = comp;
}
static void
gst_gdk_pixbuf_overlay_before_transform (GstBaseTransform * trans,
GstBuffer * outbuf)
{
GstClockTime stream_time;
stream_time = gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (outbuf));
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (G_OBJECT (trans), stream_time);
}
static GstFlowReturn
gst_gdk_pixbuf_overlay_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
GstGdkPixbufOverlay *overlay;
overlay = GST_GDK_PIXBUF_OVERLAY (trans);
GstGdkPixbufOverlay *overlay = GST_GDK_PIXBUF_OVERLAY (trans);
GST_OBJECT_LOCK (overlay);