mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 16:50:47 +00:00
f4a635c8dc
Original commit message from CVS: Pending editor changes. fixes for autoplug of elementary MPEG1 video streams make sure mp3 types get compiled videosink changes for xml loading
444 lines
14 KiB
C
444 lines
14 KiB
C
/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_EDITOR_H__
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#define __GST_EDITOR_H__
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#include <gnome.h>
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#include <gst/gst.h>
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typedef struct _GstEditor GstEditor;
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typedef struct _GstEditorClass GstEditorClass;
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typedef struct _GstEditorElement GstEditorElement;
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typedef struct _GstEditorElementClass GstEditorElementClass;
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typedef struct _GstEditorBin GstEditorBin;
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typedef struct _GstEditorBinClass GstEditorBinClass;
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typedef struct _GstEditorCanvas GstEditorCanvas;
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typedef struct _GstEditorCanvasClass GstEditorCanvasClass;
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typedef struct _GstEditorPad GstEditorPad;
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typedef struct _GstEditorPadClass GstEditorPadClass;
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typedef struct _GstEditorPadTemplate GstEditorPadTemplate;
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typedef struct _GstEditorPadTemplateClass GstEditorPadTemplateClass;
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typedef struct _GstEditorConnection GstEditorConnection;
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typedef struct _GstEditorConnectionClass GstEditorConnectionClass;
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#define GST_TYPE_EDITOR \
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(gst_editor_get_type())
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#define GST_EDITOR(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR,GstEditor))
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#define GST_EDITOR_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR,GstEditorClass))
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#define GST_IS_EDITOR(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR))
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#define GST_IS_EDITOR_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR))
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struct _GstEditor {
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GtkWindow window;
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/* the actual element to be associated with this thing */
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GstElement *element;
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/* the editor canvas */
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GstEditorCanvas *canvas;
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/* the canvas and scrollwindow */
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GtkWidget *canvaswidget;
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GtkWidget *scrollwindow;
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};
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struct _GstEditorClass {
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GtkWindowClass parent_class;
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void (*name_changed) (GstEditor *editor);
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};
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GtkType gst_editor_get_type();
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GstEditor *gst_editor_new(GstElement *element);
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const gchar *gst_editor_get_name(GstEditor *editor);
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#define GST_EDITOR_SET_OBJECT(item,object) \
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(gtk_object_set_data(GTK_OBJECT(item),"gsteditorobject",(object)))
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#define GST_EDITOR_GET_OBJECT(item) \
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(gtk_object_get_data(GTK_OBJECT(item),"gsteditorobject"))
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#define GST_TYPE_EDITOR_ELEMENT \
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(gst_editor_element_get_type())
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#define GST_EDITOR_ELEMENT(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_ELEMENT,GstEditorElement))
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#define GST_EDITOR_ELEMENT_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_ELEMENT,GstEditorElementClass))
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#define GST_IS_EDITOR_ELEMENT(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_ELEMENT))
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#define GST_IS_EDITOR_ELEMENT_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_ELEMENT))
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#define GST_EDITOR_ELEMENT_PARENT(obj) (GST_EDITOR_ELEMENT(obj)->parent)
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#define GST_EDITOR_ELEMENT_GROUP(obj) (GST_EDITOR_ELEMENT(obj)->group)
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#define GST_EDITOR_ELEMENT_CANVAS(obj) (GST_EDITOR_ELEMENT(obj)->canvas)
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struct _GstEditorElement {
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GstObject object;
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/* parent object (NULL if I am the parent) */
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GstEditorBin *parent;
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/* toplevel canvas (myself if I am the toplevel) */
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GstEditorCanvas *canvas;
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/* the element we're associated with */
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GstElement *element;
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/* whether we've been realized or not */
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gboolean realized;
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/* toplevel group, must be !NULL */
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GnomeCanvasGroup *group; // parent group
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/* visual stuff */
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gdouble x,y; // center
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gdouble width,height; // size
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GnomeCanvasItem *border,*title,*resizebox; // easy ones
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GnomeCanvasItem *statebox[4],*statetext[4]; // GST_STATE_*
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gdouble insidewidth,insideheight; // minimum space inside
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gdouble minwidth,minheight; // minimum size
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gdouble titlewidth,titleheight; // size of title
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gdouble statewidth,stateheight; // size of state boxes
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gdouble sinkwidth,sinkheight; // size of sink pads
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gdouble srcwidth,srcheight; // size of src pads
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gint sinks,srcs; // how many pads?
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GnomeCanvasGroup *insidegroup; // contents if any
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gboolean resize; // does it need resizing?
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gboolean active; // is it active (currently selected)
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/* list of pads */
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GList *srcpads,*sinkpads;
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gboolean padlistchange;
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/* list of padtemplates */
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GList *srcpadtemps,*sinkpadtemps;
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/* interaction state */
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gboolean dragging,resizing,moved,hesitating;
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gdouble offx,offy,dragx,dragy;
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};
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struct _GstEditorElementClass {
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GnomeCanvasGroupClass parent_class;
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void (*name_changed) (GstEditorElement *element);
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void (*position_changed) (GstEditorElement *element);
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void (*size_changed) (GstEditorElement *element);
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void (*realize) (GstEditorElement *element);
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gint (*event) (GnomeCanvasItem *item,GdkEvent *event,
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GstEditorElement *element);
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gint (*button_event) (GnomeCanvasItem *item,GdkEvent *event,
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GstEditorElement *element);
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};
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GtkType gst_editor_element_get_type();
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GstEditorElement *gst_editor_element_new(GstElement *element,
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const gchar *first_arg_name,...);
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void gst_editor_element_construct(GstEditorElement *element,
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const gchar *first_arg_name,
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va_list args);
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void gst_editor_element_repack(GstEditorElement *element);
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void gst_editor_element_set_name(GstEditorElement *element,
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const gchar *name);
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const gchar *gst_editor_element_get_name(GstEditorElement *element);
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#define GST_TYPE_EDITOR_BIN \
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(gst_editor_bin_get_type())
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#define GST_EDITOR_BIN(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_BIN,GstEditorBin))
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#define GST_EDITOR_BIN_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_BIN,GstEditorBin))
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#define GST_IS_EDITOR_BIN(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_BIN))
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#define GST_IS_EDITOR_BIN_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_BIN))
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struct _GstEditorBin {
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GstEditorElement element;
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/* lists of GUI elements and connections */
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GList *elements, *connections;
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/* connection state */
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GstEditorPad *frompad; // where the drawing started from
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gboolean fromsrc; // are we connecting *from* a source?
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gboolean connecting; // if we're trying to connect right now
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GstEditorConnection *connection; // the connection we're operating on
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GstEditorPad *ghostpad; // potential ghost pad
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gboolean inpadregion; // is cursor in pad region
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};
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struct _GstEditorBinClass {
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GstEditorElementClass parent_class;
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};
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GtkType gst_editor_bin_get_type();
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GstEditorBin* gst_editor_bin_new (GstBin *bin, const gchar *first_arg_name,...);
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void gst_editor_bin_add (GstEditorBin *bin, GstEditorElement *element);
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void gst_editor_bin_connection_drag (GstEditorBin *bin,
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gdouble wx,gdouble wy);
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void gst_editor_bin_start_banding (GstEditorBin *bin,GstEditorPad *pad);
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#define GST_TYPE_EDITOR_CANVAS \
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(gst_editor_canvas_get_type())
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#define GST_EDITOR_CANVAS(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_CANVAS,GstEditorCanvas))
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#define GST_EDITOR_CANVAS_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_CANVAS,GstEditorCanvasClass))
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#define GST_IS_EDITOR_CANVAS(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_CANVAS))
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#define GST_IS_EDITOR_CANVAS_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_CANVAS))
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GtkType gst_editor_canvas_get_type();
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struct _GstEditorCanvas {
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GnomeCanvas canvas;
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GstEditorBin *bin;
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};
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struct _GstEditorCanvasClass {
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GnomeCanvasClass parent_class;
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};
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GstEditorCanvas* gst_editor_canvas_new (void);
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GstEditorCanvas* gst_editor_canvas_new_with_bin (GstEditorBin *bin);
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void gst_editor_canvas_set_bin (GstEditorCanvas *canvas,
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GstEditorBin *element);
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GstEditorElement* gst_editor_canvas_get_bin (GstEditorCanvas *canvas);
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#define GST_TYPE_EDITOR_PAD \
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(gst_editor_pad_get_type())
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#define GST_EDITOR_PAD(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_PAD,GstEditorPad))
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#define GST_EDITOR_PAD_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_PAD,GstEditorPadClass))
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#define GST_IS_EDITOR_PAD(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_PAD))
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#define GST_IS_EDITOR_PAD_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_PAD))
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struct _GstEditorPad {
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GtkObject object;
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/* parent element */
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GstEditorElement *parent;
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/* toplevel canvas */
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GstEditorCanvas *canvas;
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/* the pad we're associated with */
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GstPad *pad;
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/* if this is a sink (convenience) */
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gboolean issrc;
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/* whether we've been realized or not */
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gboolean realized;
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/* connections */
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GstEditorConnection *connection;
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GstEditorConnection *ghostconnection;
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/* visual stuff */
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GnomeCanvasGroup *group;
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GnomeCanvasItem *border,*title,*padbox;
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gboolean sinkpad; // is this a sink pad?
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gdouble x,y; // location
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gdouble width,height; // actual size
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gdouble boxwidth,boxheight; // size of pad box
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gboolean resize; // does it need resizing?
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/* interaction state */
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gboolean dragging,resizing,moved;
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gdouble dragx,dragy;
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/* connection */
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// GnomeCanvasItem *connection; // can't use
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//GstEditorConnection
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};
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struct _GstEditorPadClass {
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GtkObjectClass parent_class;
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void (*realize) (GstEditorPad *pad);
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};
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GtkType gst_editor_pad_get_type();
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GstEditorPad *gst_editor_pad_new(GstEditorElement *parent,GstPad *pad,
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const gchar *first_arg_name, ...);
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void gst_editor_pad_construct(GstEditorPad *element,
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GstEditorElement *parent,
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const gchar *first_arg_name,va_list args);
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void gst_editor_pad_repack(GstEditorPad *pad);
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#define GST_TYPE_EDITOR_PADTEMPLATE \
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(gst_editor_padtemplate_get_type())
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#define GST_EDITOR_PADTEMPLATE(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_PADTEMPLATE,GstEditorPadTemplate))
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#define GST_EDITOR_PADTEMPLATE_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_PADTEMPLATE,GstEditorPadTemplateClass))
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#define GST_IS_EDITOR_PADTEMPLATE(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_PADTEMPLATE))
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#define GST_IS_EDITOR_PADTEMPLATE_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_PADTEMPLATE))
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struct _GstEditorPadTemplate {
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GtkObject object;
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/* parent element */
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GstEditorElement *parent;
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/* toplevel canvas */
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GstEditorCanvas *canvas;
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/* the padtemplate we're associated with */
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GstPadTemplate *padtemplate;
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/* pads created from this template */
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GList *pads;
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/* if this is a sink (convenience) */
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gboolean issrc;
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/* whether we've been realized or not */
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gboolean realized;
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/* connections */
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GstEditorConnection *connection;
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GstEditorConnection *ghostconnection;
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/* visual stuff */
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GnomeCanvasGroup *group;
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GnomeCanvasItem *border,*title,*padtemplatebox;
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gboolean sinkpadtemplate; // is this a sink padtemplate?
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gdouble x,y; // location
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gdouble width,height; // actual size
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gdouble boxwidth,boxheight; // size of padtemplate box
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gboolean resize; // does it need resizing?
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/* interaction state */
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gboolean dragging,resizing,moved;
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gdouble dragx,dragy;
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/* connection */
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// GnomeCanvasItem *connection; // can't use
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//GstEditorConnection
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};
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struct _GstEditorPadTemplateClass {
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GtkObjectClass parent_class;
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void (*realize) (GstEditorPadTemplate *padtemplate);
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};
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GtkType gst_editor_padtemplate_get_type();
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GstEditorPadTemplate *gst_editor_padtemplate_new(GstEditorElement *parent,GstPadTemplate *padtemplate,
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const gchar *first_arg_name, ...);
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void gst_editor_padtemplate_construct(GstEditorPadTemplate *element,
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GstEditorElement *parent,
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const gchar *first_arg_name,va_list args);
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void gst_editor_padtemplate_repack(GstEditorPadTemplate *padtemplate);
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#define GST_TYPE_EDITOR_CONNECTION \
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(gst_editor_connection_get_type())
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#define GST_EDITOR_CONNECTION(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_EDITOR_CONNECTION,GstEditorConnection))
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#define GST_EDITOR_CONNECTION_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_EDITOR_CONNECTION,GstEditorConnectionClass))
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#define GST_IS_EDITOR_CONNECTION(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_EDITOR_CONNECTION))
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#define GST_IS_EDITOR_CONNECTION_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_EDITOR_CONNECTION))
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struct _GstEditorConnection {
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GtkObject object;
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/* our parent */
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GstEditorElement *parent;
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/* the two pads we're connecting */
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GstEditorPad *frompad, *topad;
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/* is this starting at a source (convenience) */
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gboolean fromsrc;
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/* toplevel canvas */
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GstEditorCanvas *canvas;
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/* whether we've been realized or not */
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gboolean realized;
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/* are we a ghosted connection? */
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gboolean ghost;
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/* visual stuff */
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GnomeCanvasItem *line;
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GnomeCanvasPoints *points;
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gdouble x,y; // terminating point
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gboolean resize; // does it need resizing?
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};
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struct _GstEditorConnectionClass {
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GtkObjectClass parent_class;
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void (*realize) (GstEditorConnection *connection);
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};
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GtkType gst_editor_connection_get_type();
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GstEditorConnection *gst_editor_connection_new(GstEditorElement *parent,
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GstEditorPad *frompad);
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void gst_editor_connection_resize(GstEditorConnection *connection);
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void gst_editor_connection_set_endpoint(GstEditorConnection *connection,
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gdouble x,gdouble y);
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void gst_editor_connection_set_endpad(GstEditorConnection *connection,
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GstEditorPad *pad);
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void gst_editor_connection_connect(GstEditorConnection *connection);
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#endif /* __GST_EDITOR_H__ */
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