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