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Merge commit 'e0f8ffe41f'

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This commit is contained in:
Lennart Poettering 2009-01-15 19:19:45 +01:00
commit a861ffacc4
3 changed files with 69 additions and 21 deletions
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66
src/modules/module-match.c
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@ -48,7 +48,8 @@ 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>");
PA_MODULE_USAGE("table=<filename> "
"key=<property_key>");
#define WHITESPACE "\n\r \t"
@ -57,17 +58,20 @@ PA_MODULE_USAGE("table=<filename>");
static const char* const valid_modargs[] = {
"table",
"key",
NULL,
};
struct rule {
regex_t regex;
pa_volume_t volume;
pa_proplist *proplist;
struct rule *next;
};
struct userdata {
struct rule *rules;
char *property_key;
pa_subscription *subscription;
};
@ -95,11 +99,12 @@ static int load_rules(struct userdata *u, const char *filename) {
while (!feof(f)) {
char *d, *v;
pa_volume_t volume;
pa_volume_t volume = PA_VOLUME_NORM;
uint32_t k;
regex_t regex;
char ln[256];
struct rule *rule;
pa_proplist *proplist = NULL;
if (!fgets(ln, sizeof(ln), f))
break;
@ -121,14 +126,33 @@ static int load_rules(struct userdata *u, const char *filename) {
}
*d = 0;
if (pa_atou(v, &k) < 0) {
pa_log("[%s:%u] failed to parse volume", filename, n);
goto finish;
if (pa_atou(v, &k) >= 0) {
volume = (pa_volume_t) k;
} else if (*v == '"') {
char *e;
e = strchr(v+1, '"');
if (!e) {
pa_log(__FILE__ ": [%s:%u] failed to parse line - missing role closing quote", filename, n);
goto finish;
}
*e = '\0';
e = pa_sprintf_malloc("media.role=\"%s\"", v+1);
proplist = pa_proplist_from_string(e);
pa_xfree(e);
} else {
char *e;
e = v+strspn(v, WHITESPACE);
if (!*e) {
pa_log(__FILE__ ": [%s:%u] failed to parse line - missing end of property list", filename, n);
goto finish;
}
*e = '\0';
proplist = pa_proplist_from_string(v);
}
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;
@ -136,6 +160,7 @@ static int load_rules(struct userdata *u, const char *filename) {
rule = pa_xnew(struct rule, 1);
rule->regex = regex;
rule->proplist = proplist;
rule->volume = volume;
rule->next = NULL;
@ -177,15 +202,22 @@ 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 (!(n = pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME)))
if (!(n = pa_proplist_gets(si->proplist, u->property_key)))
return;
pa_log_debug("Matching with %s", n);
for (r = u->rules; r; r = r->next) {
if (!regexec(&r->regex, n, 0, NULL, 0)) {
pa_cvolume cv;
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);
if (r->proplist) {
pa_log_debug("updating proplist of sink input '%s'", n);
pa_proplist_update(si->proplist, PA_UPDATE_MERGE, r->proplist);
} else {
pa_cvolume cv;
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);
}
}
}
}
@ -201,11 +233,14 @@ int pa__init(pa_module*m) {
goto fail;
}
u = pa_xnew(struct userdata, 1);
u->rules = NULL;
u->subscription = NULL;
m->userdata = u;
u->property_key = pa_xstrdup(pa_modargs_get_value(ma, "key", PA_PROP_MEDIA_NAME));
if (load_rules(u, pa_modargs_get_value(ma, "table", NULL)) < 0)
goto fail;
@ -234,10 +269,15 @@ void pa__done(pa_module*m) {
if (u->subscription)
pa_subscription_free(u->subscription);
if (u->property_key)
pa_xfree(u->property_key);
for (r = u->rules; r; r = n) {
n = r->next;
regfree(&r->regex);
if (r->proplist)
pa_proplist_free(r->proplist);
pa_xfree(r);
}