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Text overlay

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Original commit message from CVS:
Text overlay
This commit is contained in:
Iain Holmes 2003-11-02 01:21:38 +00:00
parent ad1a55bd75
commit 9985fa24f5
2 changed files with 87 additions and 83 deletions
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61
ext/pango/gsttextoverlay.c
View File

@ -6,22 +6,17 @@
#endif #endif
#include <gst/gst.h> #include <gst/gst.h>
#include "gsttextoverlay.h" #include "gsttextoverlay.h"
//#include "gsttexttestsrc.h" /*#include "gsttexttestsrc.h"*/
//#include "gstsubparse.h" /*#include "gstsubparse.h"*/
//#include "SDL_blit.h" /*#include "SDL_blit.h"*/
static GstElementDetails textoverlay_details = { static GstElementDetails textoverlay_details = {
"Text Overlay", "Text Overlay",
"Filter/Video", "Filter/Video",
"LGPL",
"Adds text strings on top of a video buffer", "Adds text strings on top of a video buffer",
VERSION, "Gustavo J. A. M. Carneiro <gjc@inescporto.pt>"
"Gustavo J. A. M. Carneiro <gjc@inescporto.pt>",
"(C) 2003",
}; };
enum { enum {
ARG_0, ARG_0,
ARG_TEXT, ARG_TEXT,
@ -74,6 +69,7 @@ GST_PAD_TEMPLATE_FACTORY(text_sink_template_factory,
) )
) )
static void gst_textoverlay_base_init (gpointer g_class);
static void gst_textoverlay_class_init(GstTextOverlayClass *klass); static void gst_textoverlay_class_init(GstTextOverlayClass *klass);
static void gst_textoverlay_init(GstTextOverlay *overlay); static void gst_textoverlay_init(GstTextOverlay *overlay);
static void gst_textoverlay_set_property(GObject *object, static void gst_textoverlay_set_property(GObject *object,
@ -100,7 +96,7 @@ gst_textoverlay_get_type(void)
if (!textoverlay_type) { if (!textoverlay_type) {
static const GTypeInfo textoverlay_info = { static const GTypeInfo textoverlay_info = {
sizeof(GstTextOverlayClass), sizeof(GstTextOverlayClass),
NULL, gst_textoverlay_base_init,
NULL, NULL,
(GClassInitFunc)gst_textoverlay_class_init, (GClassInitFunc)gst_textoverlay_class_init,
NULL, NULL,
@ -115,6 +111,17 @@ gst_textoverlay_get_type(void)
return textoverlay_type; return textoverlay_type;
} }
static void
gst_textoverlay_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (textoverlay_src_template_factory));
gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (video_sink_template_factory));
gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (text_sink_template_factory));
gst_element_class_set_details (element_class, &textoverlay_details);
}
static void static void
gst_textoverlay_class_init(GstTextOverlayClass *klass) gst_textoverlay_class_init(GstTextOverlayClass *klass)
@ -625,33 +632,25 @@ gst_textoverlay_get_property(GObject *object, guint prop_id, GValue *value, GPar
} }
static gboolean static gboolean
plugin_init(GModule *module, GstPlugin *plugin) plugin_init(GstPlugin *plugin)
{ {
GstElementFactory *factory; if (!gst_element_register (plugin, "textoverlay", GST_RANK_PRIMARY, GST_TYPE_TEXTOVERLAY))
return FALSE;
factory = gst_element_factory_new("textoverlay", GST_TYPE_TEXTOVERLAY, /*texttestsrc_plugin_init(module, plugin);*/
&textoverlay_details); /*subparse_plugin_init(module, plugin);*/
g_return_val_if_fail(factory != NULL, FALSE);
gst_element_factory_set_rank(factory, GST_ELEMENT_RANK_PRIMARY);
gst_element_factory_add_pad_template(factory,
GST_PAD_TEMPLATE_GET(textoverlay_src_template_factory));
gst_element_factory_add_pad_template(factory,
GST_PAD_TEMPLATE_GET(video_sink_template_factory));
gst_element_factory_add_pad_template(factory,
GST_PAD_TEMPLATE_GET(text_sink_template_factory));
gst_plugin_add_feature(plugin, GST_PLUGIN_FEATURE(factory));
//texttestsrc_plugin_init(module, plugin);
//subparse_plugin_init(module, plugin);
return TRUE; return TRUE;
} }
GstPluginDesc plugin_desc = { GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR, GST_VERSION_MAJOR,
GST_VERSION_MINOR, GST_VERSION_MINOR,
"textoverlay", "textoverlay",
plugin_init "Text overlay",
}; plugin_init,
VERSION,
"GPL",
GST_COPYRIGHT,
GST_PACKAGE,
GST_ORIGIN)

109
ext/pango/gsttimeoverlay.c
View File

@ -42,11 +42,8 @@
static GstElementDetails timeoverlay_details = { static GstElementDetails timeoverlay_details = {
"Video Filter Template", "Video Filter Template",
"Filter/Video", "Filter/Video",
"LGPL",
"Template for a video filter", "Template for a video filter",
VERSION,
"David Schleef <ds@schleef.org>", "David Schleef <ds@schleef.org>",
"(C) 2003",
}; };
/* GstTimeoverlay signals and args */ /* GstTimeoverlay signals and args */
@ -60,6 +57,7 @@ enum {
/* FILL ME */ /* FILL ME */
}; };
static void gst_timeoverlay_base_init (gpointer g_class);
static void gst_timeoverlay_class_init (GstTimeoverlayClass *klass); static void gst_timeoverlay_class_init (GstTimeoverlayClass *klass);
static void gst_timeoverlay_init (GstTimeoverlay *timeoverlay); static void gst_timeoverlay_init (GstTimeoverlay *timeoverlay);
@ -80,7 +78,8 @@ gst_timeoverlay_get_type (void)
if (!timeoverlay_type) { if (!timeoverlay_type) {
static const GTypeInfo timeoverlay_info = { static const GTypeInfo timeoverlay_info = {
sizeof(GstTimeoverlayClass), NULL, sizeof(GstTimeoverlayClass),
gst_timeoverlay_base_init,
NULL, NULL,
(GClassInitFunc)gst_timeoverlay_class_init, (GClassInitFunc)gst_timeoverlay_class_init,
NULL, NULL,
@ -98,39 +97,6 @@ static GstVideofilterFormat gst_timeoverlay_formats[] = {
{ "I420", 12, gst_timeoverlay_planar411, }, { "I420", 12, gst_timeoverlay_planar411, },
}; };
static void
gst_timeoverlay_class_init (GstTimeoverlayClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideofilterClass *gstvideofilter_class;
int i;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
gstvideofilter_class = (GstVideofilterClass *)klass;
#if 0
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_METHOD,
g_param_spec_enum("method","method","method",
GST_TYPE_TIMEOVERLAY_METHOD, GST_TIMEOVERLAY_METHOD_90R,
G_PARAM_READWRITE));
#endif
this_class = klass;
parent_class = g_type_class_ref(GST_TYPE_VIDEOFILTER);
element_class = g_type_class_ref(GST_TYPE_ELEMENT);
gobject_class->set_property = gst_timeoverlay_set_property;
gobject_class->get_property = gst_timeoverlay_get_property;
gstvideofilter_class->setup = gst_timeoverlay_setup;
for(i=0;i<G_N_ELEMENTS(gst_timeoverlay_formats);i++){
gst_videofilter_class_add_format(gstvideofilter_class, gst_timeoverlay_formats + i);
}
}
static GstCaps *gst_timeoverlay_get_capslist(void) static GstCaps *gst_timeoverlay_get_capslist(void)
{ {
GstVideofilterClass *klass; GstVideofilterClass *klass;
@ -176,6 +142,49 @@ gst_timeoverlay_sink_template_factory(void)
return templ; return templ;
} }
static void
gst_timeoverlay_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (gst_timeoverlay_sink_template_factory));
gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (gst_timeoverlay_src_template_factory));
gst_element_class_set_details (element_class, &timeoverlay_details);
}
static void
gst_timeoverlay_class_init (GstTimeoverlayClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideofilterClass *gstvideofilter_class;
int i;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
gstvideofilter_class = (GstVideofilterClass *)klass;
#if 0
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_METHOD,
g_param_spec_enum("method","method","method",
GST_TYPE_TIMEOVERLAY_METHOD, GST_TIMEOVERLAY_METHOD_90R,
G_PARAM_READWRITE));
#endif
this_class = klass;
parent_class = g_type_class_ref(GST_TYPE_VIDEOFILTER);
element_class = g_type_class_ref(GST_TYPE_ELEMENT);
gobject_class->set_property = gst_timeoverlay_set_property;
gobject_class->get_property = gst_timeoverlay_get_property;
gstvideofilter_class->setup = gst_timeoverlay_setup;
for(i=0;i<G_N_ELEMENTS(gst_timeoverlay_formats);i++){
gst_videofilter_class_add_format(gstvideofilter_class, gst_timeoverlay_formats + i);
}
}
static void static void
gst_timeoverlay_init (GstTimeoverlay *timeoverlay) gst_timeoverlay_init (GstTimeoverlay *timeoverlay)
{ {
@ -238,32 +247,28 @@ gst_timeoverlay_get_property (GObject *object, guint prop_id, GValue *value, GPa
} }
} }
static gboolean plugin_init (GModule *module, GstPlugin *plugin) static gboolean plugin_init (GstPlugin *plugin)
{ {
GstElementFactory *factory;
if(!gst_library_load("gstvideofilter")) if(!gst_library_load("gstvideofilter"))
return FALSE; return FALSE;
/* create an elementfactory for the timeoverlay element */ if (!gst_element_register (plugin, "timeoverlay", GST_RANK_NONE, GST_TYPE_TIMEOVERLAY))
factory = gst_element_factory_new("timeoverlay",GST_TYPE_TIMEOVERLAY, return FALSE;
&timeoverlay_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_timeoverlay_sink_template_factory));
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_timeoverlay_src_template_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE; return TRUE;
} }
GstPluginDesc plugin_desc = { GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR, GST_VERSION_MAJOR,
GST_VERSION_MINOR, GST_VERSION_MINOR,
"timeoverlay", "timeoverlay",
plugin_init "Time overlay",
}; plugin_init,
VERSION,
"LGPL",
GST_COPYRIGHT,
GST_PACKAGE,
GST_ORIGIN)
static void gst_timeoverlay_setup(GstVideofilter *videofilter) static void gst_timeoverlay_setup(GstVideofilter *videofilter)
{ {