From b694c274836ac8b04d644711ac324eac2e9ab83e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Fri, 16 Dec 2005 01:05:40 +0000 Subject: checking in pdp 0.12.4 from http://zwizwa.fartit.com/pd/pdp/pdp-0.12.4.tar.gz svn path=/trunk/externals/pdp/; revision=4232 --- modules/image_io/pdp_xv.c | 343 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 343 insertions(+) create mode 100644 modules/image_io/pdp_xv.c (limited to 'modules/image_io/pdp_xv.c') 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 + * + * 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 + + -- cgit v1.2.1