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videobox: Make properties controllable

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This commit is contained in:
Sebastian Dröge 2010-03-08 19:20:59 +00:00
parent 7dcb294b54
commit 4381b9296f
2 changed files with 36 additions and 12 deletions
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10
gst/videobox/Makefile.am
View file

@ -1,9 +1,15 @@
plugin_LTLIBRARIES = libgstvideobox.la
libgstvideobox_la_SOURCES = gstvideobox.c
libgstvideobox_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
libgstvideobox_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) \
$(GST_CONTROLLER_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(GST_CFLAGS) \
$(LIBOIL_CFLAGS)
libgstvideobox_la_LIBADD = $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \
libgstvideobox_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
$(GST_CONTROLLER_LIBS) \
$(GST_BASE_LIBS) \
$(GST_LIBS) \
$(LIBOIL_LIBS)
libgstvideobox_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstvideobox_la_LIBTOOLFLAGS = --tag=disable-static

38
gst/videobox/gstvideobox.c
View file

@ -62,6 +62,8 @@
#include <liboil/liboil.h>
#include <string.h>
#include <gst/controller/gstcontroller.h>
GST_DEBUG_CATEGORY_STATIC (videobox_debug);
#define GST_CAT_DEFAULT videobox_debug
@ -183,30 +185,35 @@ gst_video_box_class_init (GstVideoBoxClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILL_TYPE,
g_param_spec_enum ("fill", "Fill", "How to fill the borders",
GST_TYPE_VIDEO_BOX_FILL, DEFAULT_FILL_TYPE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LEFT,
g_param_spec_int ("left", "Left",
"Pixels to box at left (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_LEFT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_LEFT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_RIGHT,
g_param_spec_int ("right", "Right",
"Pixels to box at right (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_RIGHT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_RIGHT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TOP,
g_param_spec_int ("top", "Top",
"Pixels to box at top (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_TOP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_TOP,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BOTTOM,
g_param_spec_int ("bottom", "Bottom",
"Pixels to box at bottom (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_BOTTOM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_BOTTOM,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ALPHA,
g_param_spec_double ("alpha", "Alpha", "Alpha value picture", 0.0, 1.0,
DEFAULT_ALPHA, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_ALPHA,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BORDER_ALPHA,
g_param_spec_double ("border-alpha", "Border Alpha",
"Alpha value of the border", 0.0, 1.0, DEFAULT_BORDER_ALPHA,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
/**
* GstVideoBox:autocrop
*
@ -421,9 +428,7 @@ gst_video_box_transform_caps (GstBaseTransform * trans,
if (video_box->autocrop) {
gst_structure_remove_field (structure, "width");
gst_structure_remove_field (structure, "height");
}
if (!video_box->autocrop) {
} else {
/* calculate width and height */
if (gst_structure_get_int (structure, "width", &width)) {
if (direction == GST_PAD_SINK) {
@ -1172,6 +1177,17 @@ gst_video_box_transform (GstBaseTransform * trans, GstBuffer * in,
{
GstVideoBox *video_box = GST_VIDEO_BOX (trans);
guint8 *indata, *outdata;
GstClockTime timestamp, stream_time;
timestamp = GST_BUFFER_TIMESTAMP (in);
stream_time =
gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME, timestamp);
GST_DEBUG_OBJECT (video_box, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (G_OBJECT (video_box), stream_time);
indata = GST_BUFFER_DATA (in);
outdata = GST_BUFFER_DATA (out);
@ -1222,6 +1238,8 @@ plugin_init (GstPlugin * plugin)
{
oil_init ();
gst_controller_init (NULL, NULL);
GST_DEBUG_CATEGORY_INIT (videobox_debug, "videobox", 0,
"Resizes a video by adding borders or cropping");