mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-11 13:30:02 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

some updates for pa_hashmap

Browse source 
add property infrastructure
add module module-x11-publish
allow ldpreloading of all modules
abstract x11wrap from module-x11-bell


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@268 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-10-30 01:55:16 +00:00
parent 4e5c44de30
commit 899788b4c5
36 changed files with 827 additions and 90 deletions
Download patch file Download diff file Expand all files Collapse all files

167
polyp/module-x11-publish.c Normal file
View file

@ -0,0 +1,167 @@
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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.
polypaudio 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 polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include "module.h"
#include "sink.h"
#include "scache.h"
#include "modargs.h"
#include "xmalloc.h"
#include "namereg.h"
#include "log.h"
#include "x11wrap.h"
#include "util.h"
#include "module-x11-publish-symdef.h"
PA_MODULE_AUTHOR("Lennart Poettering")
PA_MODULE_DESCRIPTION("X11 Credential Publisher")
PA_MODULE_VERSION(PACKAGE_VERSION)
PA_MODULE_USAGE("display=<X11 display>")
static const char* const valid_modargs[] = {
"display",
"sink",
"source",
NULL
};
struct userdata {
struct pa_core *core;
struct pa_x11_wrapper *x11_wrapper;
Display *display;
char *id;
};
static void set_x11_prop(Display *d, const char *name, const char *data) {
Atom a = XInternAtom(d, name, False);
XChangeProperty(d, RootWindow(d, 0), a, XA_STRING, 8, PropModeReplace, (unsigned char*) data, strlen(data)+1);
}
static void del_x11_prop(Display *d, const char *name) {
Atom a = XInternAtom(d, name, False);
XDeleteProperty(d, RootWindow(d, 0), a);
}
static char* get_x11_prop(Display *d, const char *name, char *p, size_t l) {
Atom actual_type;
int actual_format;
unsigned long nitems;
unsigned long nbytes_after;
unsigned char *prop;
Atom a = XInternAtom(d, name, False);
if (XGetWindowProperty(d, RootWindow(d, 0), a, 0, (l+2)/4, False, XA_STRING, &actual_type, &actual_format, &nitems, &nbytes_after, &prop) != Success)
return NULL;
memcpy(p, prop, nitems);
p[nitems] = 0;
XFree(prop);
return p;
}
int pa__init(struct pa_core *c, struct pa_module*m) {
struct userdata *u;
struct pa_modargs *ma = NULL;
char hn[256], un[128];
const char *t;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log(__FILE__": failed to parse module arguments\n");
goto fail;
}
m->userdata = u = pa_xmalloc(sizeof(struct userdata));
u->core = c;
u->id = NULL;
if (!(u->x11_wrapper = pa_x11_wrapper_get(c, pa_modargs_get_value(ma, "display", NULL))))
goto fail;
u->display = pa_x11_wrapper_get_display(u->x11_wrapper);
pa_get_host_name(hn, sizeof(hn));
pa_get_user_name(un, sizeof(un));
u->id = pa_sprintf_malloc("%s@%s/%u", un, hn, (unsigned) getpid());
set_x11_prop(u->display, "POLYP_SERVER", hn);
set_x11_prop(u->display, "POLYP_ID", u->id);
if ((t = pa_modargs_get_value(ma, "source", NULL)))
set_x11_prop(u->display, "POLYP_SOURCE", t);
if ((t = pa_modargs_get_value(ma, "sink", NULL)))
set_x11_prop(u->display, "POLYP_SINK", t);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(c, m);
return -1;
}
void pa__done(struct pa_core *c, struct pa_module*m) {
struct userdata*u;
assert(c && m);
if (!(u = m->userdata))
return;
if (u->x11_wrapper) {
char t[256];
/* Yes, here is a race condition */
if (!get_x11_prop(u->display, "POLYP_ID", t, sizeof(t)) || strcmp(t, u->id))
pa_log("WARNING: Polypaudio information vanished from X11!\n");
else {
del_x11_prop(u->display, "POLYP_ID");
del_x11_prop(u->display, "POLYP_SERVER");
del_x11_prop(u->display, "POLYP_SINK");
del_x11_prop(u->display, "POLYP_SOURCE");
XSync(u->display, False);
}
}
if (u->x11_wrapper)
pa_x11_wrapper_unref(u->x11_wrapper);
pa_xfree(u->id);
pa_xfree(u);
}