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Diffstat (limited to 'modules/image_io/pdp_xv.c')
-rw-r--r--modules/image_io/pdp_xv.c343
1 files changed, 343 insertions, 0 deletions
diff --git a/modules/image_io/pdp_xv.c b/modules/image_io/pdp_xv.c
new file mode 100644
index 0000000..93383fd
--- /dev/null
+++ b/modules/image_io/pdp_xv.c
@@ -0,0 +1,343 @@
+/*
+ * Pure Data Packet module. Xvideo image packet output
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+// pdp stuff
+#include "pdp.h"
+#include "pdp_base.h"
+
+// some x window glue code
+#include "pdp_xwindow.h"
+#include "pdp_xvideo.h"
+
+
+#define PDP_XV_AUTOCREATE_RETRY 10
+
+
+typedef struct pdp_xv_struct
+{
+ t_object x_obj;
+
+ t_pdp_xdisplay *x_xdpy;
+ t_pdp_xwindow *x_xwin;
+ t_pdp_xvideo *x_xvid;
+
+ t_outlet *x_outlet;
+
+ int x_packet0;
+ int x_queue_id;
+ t_symbol *x_display;
+
+ //Display *x_dpy;
+
+ int x_initialized;
+ int x_autocreate;
+
+
+} t_pdp_xv;
+
+
+static void pdp_xv_cursor(t_pdp_xv *x, t_floatarg f)
+{
+ if (x->x_xwin) pdp_xwindow_cursor(x->x_xwin, f);
+}
+
+/* delete all submodules */
+static void _pdp_xv_cleanup(t_pdp_xv *x)
+{
+ if (x->x_xwin) pdp_xwindow_free(x->x_xwin);
+ if (x->x_xvid) pdp_xvideo_free(x->x_xvid);
+ if (x->x_xdpy) pdp_xdisplay_free(x->x_xdpy);
+ x->x_xwin = 0;
+ x->x_xvid = 0;
+ x->x_xdpy = 0;
+ x->x_initialized = 0;
+}
+
+/* wait for thread to finish */
+static void _pdp_xv_waitforthread(t_pdp_xv *x)
+{
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+ pdp_procqueue_finish(q, x->x_queue_id); // wait for thread to finish
+ x->x_queue_id = -1;
+}
+
+// this destroys the window and all the x connections
+static void pdp_xv_destroy(t_pdp_xv* x)
+{
+ if (x->x_initialized){
+
+ _pdp_xv_waitforthread(x); // wait for thread
+ _pdp_xv_cleanup(x); // delete all objects
+
+ pdp_packet_mark_unused(x->x_packet0); // delete packet
+ x->x_packet0 = -1;
+ x->x_initialized = 0;
+
+ }
+}
+
+
+/* this creates a window (opens a dpy connection, creates xvideo and xwinow objects) */
+static void pdp_xv_create(t_pdp_xv* x)
+{
+ int i;
+ if(x->x_initialized) return;
+
+
+ /* open a display */
+ if (!(x->x_xdpy = pdp_xdisplay_new(x->x_display->s_name))) goto exit;
+
+ /* open an xv port on the display */
+ x->x_xvid = pdp_xvideo_new();
+ if (!pdp_xvideo_open_on_display(x->x_xvid, x->x_xdpy)) goto exit;
+
+ /* create a window on the display */
+ x->x_xwin = pdp_xwindow_new();
+ if (!pdp_xwindow_create_on_display(x->x_xwin, x->x_xdpy)) goto exit;
+
+ /* done */
+ x->x_initialized = 1;
+ return;
+
+ /* cleanup exits */
+ exit:
+ post("pdp_xv: cant open display %s\n",x->x_display->s_name);
+ _pdp_xv_cleanup(x);
+
+}
+
+static int pdp_xv_try_autocreate(t_pdp_xv *x)
+{
+
+ if (x->x_autocreate){
+ post("pdp_xv: autocreate window");
+ pdp_xv_create(x);
+ if (!(x->x_initialized)){
+ x->x_autocreate--;
+ if (!x->x_autocreate){
+ post ("pdp_xv: autocreate failed %d times: disabled", PDP_XV_AUTOCREATE_RETRY);
+ post ("pdp_xv: send [autocreate 1] message to re-enable");
+ return 0;
+ }
+ }
+ else return 1;
+
+ }
+ return 0;
+}
+
+static void pdp_xv_bang(t_pdp_xv *x);
+
+static void pdp_xv_bang_thread(t_pdp_xv *x)
+{
+ pdp_xvideo_display_packet(x->x_xvid, x->x_xwin, x->x_packet0);
+}
+
+
+static void pdp_xv_bang_callback(t_pdp_xv *x)
+{
+ /* receive events + send to outputs */
+ t_pdp_list *eventlist = pdp_xwindow_get_eventlist(x->x_xwin);
+ t_pdp_atom *a;
+
+ for (a=eventlist->first; a; a=a->next){
+ //pdp_list_print(a->w.w_list);
+ outlet_pdp_list(x->x_outlet, a->w.w_list);
+ }
+
+ /* free list */
+ pdp_tree_free(eventlist);
+
+ /* release the packet if there is one */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+
+}
+
+/* manually poll for events */
+static void pdp_xv_poll(t_pdp_xv *x)
+{
+ if (x->x_initialized)
+ pdp_xv_bang_callback(x);
+}
+
+static void pdp_xv_bang(t_pdp_xv *x)
+{
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+
+ /* check if window is initialized */
+ if (!(x->x_initialized)){
+ if (!pdp_xv_try_autocreate(x)) return;
+ }
+
+ /* check if we can proceed */
+ if (-1 != x->x_queue_id) return;
+ if (-1 == x->x_packet0) return;
+
+ /* if previous queued method returned
+ schedule a new one, else ignore */
+ if (-1 == x->x_queue_id) {
+ pdp_procqueue_add(q, x, pdp_xv_bang_thread, pdp_xv_bang_callback, &x->x_queue_id);
+ }
+
+}
+
+static void pdp_xv_input_0(t_pdp_xv *x, t_symbol *s, t_floatarg f)
+{
+
+ if (s == gensym("register_ro")) pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("bitmap/yv12/*"));
+ if (s == gensym("process")) pdp_xv_bang(x);
+
+}
+
+
+
+static void pdp_xv_autocreate(t_pdp_xv *x, t_floatarg f)
+{
+ if (f != 0.0f) x->x_autocreate = PDP_XV_AUTOCREATE_RETRY;
+ else x->x_autocreate = 0;
+}
+
+static void pdp_xv_display(t_pdp_xv *x, t_symbol *s)
+{
+ _pdp_xv_waitforthread(x);
+ x->x_display = s;
+
+ /* only create if already active */
+ if (x->x_initialized){
+ pdp_xv_destroy(x);
+ pdp_xv_create(x);
+ }
+}
+
+static void pdp_xv_movecursor(t_pdp_xv *x, float cx, float cy)
+{
+ if (x->x_initialized){
+ cx *= x->x_xwin->winwidth;
+ cy *= x->x_xwin->winheight;
+ pdp_xwindow_warppointer(x->x_xwin, cx, cy);
+ }
+}
+
+static void pdp_xv_fullscreen(t_pdp_xv *x)
+{
+ if (x->x_initialized)
+ pdp_xwindow_fullscreen(x->x_xwin);
+}
+
+static void pdp_xv_resize(t_pdp_xv* x, t_floatarg width, t_floatarg height)
+{
+ if (x->x_initialized)
+ pdp_xwindow_resize(x->x_xwin, width, height);
+}
+
+static void pdp_xv_move(t_pdp_xv* x, t_floatarg width, t_floatarg height)
+{
+ if (x->x_initialized)
+ pdp_xwindow_move(x->x_xwin, width, height);
+}
+
+static void pdp_xv_moveresize(t_pdp_xv* x, t_floatarg xoff, t_floatarg yoff, t_floatarg width, t_floatarg height)
+{
+ if (x->x_initialized)
+ pdp_xwindow_moveresize(x->x_xwin, xoff, yoff, width, height);
+}
+
+static void pdp_xv_tile(t_pdp_xv* x, t_floatarg xtiles, t_floatarg ytiles, t_floatarg i, t_floatarg j)
+{
+ if (x->x_initialized)
+ pdp_xwindow_tile(x->x_xwin, xtiles, ytiles, i, j);
+}
+
+static void pdp_xv_vga(t_pdp_xv *x)
+{
+ pdp_xv_resize(x, 640, 480);
+}
+
+static void pdp_xv_free(t_pdp_xv *x)
+{
+ pdp_xv_destroy(x);
+}
+
+t_class *pdp_xv_class;
+
+
+
+void *pdp_xv_new(void)
+{
+ t_pdp_xv *x = (t_pdp_xv *)pd_new(pdp_xv_class);
+ x->x_outlet = outlet_new(&x->x_obj, &s_anything);
+ x->x_xwin = 0;
+ x->x_xvid = 0;
+ x->x_xdpy = 0;
+ x->x_packet0 = -1;
+ x->x_queue_id = -1;
+ x->x_display = gensym(":0");
+ x->x_xdpy = 0;
+ pdp_xv_autocreate(x,1);
+
+ return (void *)x;
+}
+
+
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_xv_setup(void)
+{
+ pdp_xv_class = class_new(gensym("pdp_xv"), (t_newmethod)pdp_xv_new,
+ (t_method)pdp_xv_free, sizeof(t_pdp_xv), 0, A_NULL);
+
+
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_bang, gensym("bang"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_create, gensym("open"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_create, gensym("create"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_autocreate, gensym("autocreate"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_destroy, gensym("destroy"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_destroy, gensym("close"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_resize, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_move, gensym("move"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_move, gensym("pos"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_resize, gensym("size"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_display, gensym("display"), A_SYMBOL, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_cursor, gensym("cursor"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_movecursor, gensym("movecursor"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_fullscreen, gensym("fullscreen"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_poll, gensym("poll"), A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_moveresize, gensym("posdim"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_tile, gensym("tile"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_NULL);
+
+ /* some shortcuts for the lazy */
+ class_addmethod(pdp_xv_class, (t_method)pdp_xv_vga, gensym("vga"), A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-07 04:37:08 +0000