summaryrefslogtreecommitdiffstats
path: root/src/pulse/client-conf-x11.c
blob: 393a7cd38ff70fce9690131669ea4750063b2e9a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
/***
  This file is part of PulseAudio.

  Copyright 2004-2006 Lennart Poettering

  PulseAudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published
  by the Free Software Foundation; either version 2 of the License,
  or (at your option) any later version.

  PulseAudio 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 Lesser General Public License
  along with PulseAudio; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-13071
  USA.
***/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include <X11/Xlib.h>
#include <X11/Xatom.h>

#include <pulse/xmalloc.h>

#include <pulsecore/x11prop.h>
#include <pulsecore/log.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>

#include "client-conf-x11.h"

int pa_client_conf_from_x11(pa_client_conf *c, const char *dname) {
    Display *d = NULL;
    int ret = -1;
    char t[1024];

    pa_assert(c);

    if (!dname && !(dname = getenv("DISPLAY")))
        goto finish;

    if (*dname == 0)
        goto finish;

    if (!(d = XOpenDisplay(dname))) {
        pa_log("XOpenDisplay() failed");
        goto finish;
    }

    if (pa_x11_get_prop(d, "PULSE_SERVER", t, sizeof(t))) {
        pa_xfree(c->default_server);
        c->default_server = pa_xstrdup(t);
    }

    if (pa_x11_get_prop(d, "PULSE_SINK", t, sizeof(t))) {
        pa_xfree(c->default_sink);
        c->default_sink = pa_xstrdup(t);
    }

    if (pa_x11_get_prop(d, "PULSE_SOURCE", t, sizeof(t))) {
        pa_xfree(c->default_source);
        c->default_source = pa_xstrdup(t);
    }

    if (pa_x11_get_prop(d, "PULSE_COOKIE", t, sizeof(t))) {
        uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];

        if (pa_parsehex(t, cookie, sizeof(cookie)) != sizeof(cookie)) {
            pa_log("failed to parse cookie data");
            goto finish;
        }

        pa_assert(sizeof(cookie) == sizeof(c->cookie));
        memcpy(c->cookie, cookie, sizeof(cookie));

        c->cookie_valid = TRUE;

        pa_xfree(c->cookie_file);
        c->cookie_file = NULL;
    }

    ret = 0;

finish:
    if (d)
        XCloseDisplay(d);

    return ret;

}