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-rw-r--r--src/modules/module-match.c85
1 files changed, 46 insertions, 39 deletions
diff --git a/src/modules/module-match.c b/src/modules/module-match.c
index eb5de64e..769a6b59 100644
--- a/src/modules/module-match.c
+++ b/src/modules/module-match.c
@@ -1,18 +1,18 @@
-/* $Id$ */
-
/***
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 02111-1307
@@ -24,7 +24,6 @@
#endif
#include <unistd.h>
-#include <assert.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
@@ -45,10 +44,11 @@
#include "module-match-symdef.h"
-PA_MODULE_AUTHOR("Lennart Poettering")
-PA_MODULE_DESCRIPTION("Playback stream expression matching module")
-PA_MODULE_USAGE("table=<filename>")
-PA_MODULE_VERSION(PACKAGE_VERSION)
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_DESCRIPTION("Playback stream expression matching module");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(TRUE);
+PA_MODULE_USAGE("table=<filename>");
#define WHITESPACE "\n\r \t"
@@ -78,17 +78,21 @@ static int load_rules(struct userdata *u, const char *filename) {
struct rule *end = NULL;
char *fn = NULL;
- f = filename ?
- fopen(fn = pa_xstrdup(filename), "r") :
- pa_open_config_file(DEFAULT_MATCH_TABLE_FILE, DEFAULT_MATCH_TABLE_FILE_USER, NULL, &fn, "r");
+ pa_assert(u);
+
+ if (filename)
+ f = fopen(fn = pa_xstrdup(filename), "r");
+ else
+ f = pa_open_config_file(DEFAULT_MATCH_TABLE_FILE, DEFAULT_MATCH_TABLE_FILE_USER, NULL, &fn);
if (!f) {
- pa_log("failed to open file '%s': %s", fn, pa_cstrerror(errno));
+ pa_xfree(fn);
+ pa_log("Failed to open file config file: %s", pa_cstrerror(errno));
goto finish;
}
pa_lock_fd(fileno(f), 1);
-
+
while (!feof(f)) {
char *d, *v;
pa_volume_t volume;
@@ -96,12 +100,12 @@ static int load_rules(struct userdata *u, const char *filename) {
regex_t regex;
char ln[256];
struct rule *rule;
-
+
if (!fgets(ln, sizeof(ln), f))
break;
n++;
-
+
pa_strip_nl(ln);
if (ln[0] == '#' || !*ln )
@@ -110,7 +114,7 @@ static int load_rules(struct userdata *u, const char *filename) {
d = ln+strcspn(ln, WHITESPACE);
v = d+strspn(d, WHITESPACE);
-
+
if (!*v) {
pa_log(__FILE__ ": [%s:%u] failed to parse line - too few words", filename, n);
goto finish;
@@ -124,13 +128,13 @@ static int load_rules(struct userdata *u, const char *filename) {
volume = (pa_volume_t) k;
-
+
if (regcomp(&regex, ln, REG_EXTENDED|REG_NOSUB) != 0) {
pa_log("[%s:%u] invalid regular expression", filename, n);
goto finish;
}
- rule = pa_xmalloc(sizeof(struct rule));
+ rule = pa_xnew(struct rule, 1);
rule->regex = regex;
rule->volume = volume;
rule->next = NULL;
@@ -140,12 +144,12 @@ static int load_rules(struct userdata *u, const char *filename) {
else
u->rules = rule;
end = rule;
-
+
*d = 0;
}
ret = 0;
-
+
finish:
if (f) {
pa_lock_fd(fileno(f), 0);
@@ -162,7 +166,10 @@ static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, v
struct userdata *u = userdata;
pa_sink_input *si;
struct rule *r;
- assert(c && u);
+ const char *n;
+
+ pa_assert(c);
+ pa_assert(u);
if (t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW))
return;
@@ -170,61 +177,63 @@ static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, v
if (!(si = pa_idxset_get_by_index(c->sink_inputs, idx)))
return;
- if (!si->name)
+ if (!(n = pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME)))
return;
-
+
for (r = u->rules; r; r = r->next) {
- if (!regexec(&r->regex, si->name, 0, NULL, 0)) {
+ if (!regexec(&r->regex, n, 0, NULL, 0)) {
pa_cvolume cv;
- pa_log_debug("changing volume of sink input '%s' to 0x%03x", si->name, r->volume);
- pa_cvolume_set(&cv, r->volume, si->sample_spec.channels);
+ pa_log_debug("changing volume of sink input '%s' to 0x%03x", n, r->volume);
+ pa_cvolume_set(&cv, si->sample_spec.channels, r->volume);
pa_sink_input_set_volume(si, &cv);
}
}
}
-int pa__init(pa_core *c, pa_module*m) {
+int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
- assert(c && m);
+
+ pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
- u = pa_xmalloc(sizeof(struct userdata));
+ u = pa_xnew(struct userdata, 1);
u->rules = NULL;
u->subscription = NULL;
m->userdata = u;
-
+
if (load_rules(u, pa_modargs_get_value(ma, "table", NULL)) < 0)
goto fail;
- u->subscription = pa_subscription_new(c, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u);
+ u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u);
pa_modargs_free(ma);
return 0;
fail:
- pa__done(c, m);
+ pa__done(m);
if (ma)
pa_modargs_free(ma);
return -1;
}
-void pa__done(pa_core *c, pa_module*m) {
+void pa__done(pa_module*m) {
struct userdata* u;
struct rule *r, *n;
- assert(c && m);
+
+ pa_assert(m);
if (!(u = m->userdata))
return;
if (u->subscription)
pa_subscription_free(u->subscription);
-
+
for (r = u->rules; r; r = n) {
n = r->next;
@@ -234,5 +243,3 @@ void pa__done(pa_core *c, pa_module*m) {
pa_xfree(u);
}
-
-
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