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match: can now change properties also

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This commit is contained in:
Marc-André Lureau 2008-11-17 21:09:42 +02:00
parent 6ec0162686
commit e97ed21892
1 changed files with 42 additions and 11 deletions
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53
src/modules/module-match.c
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@ -63,6 +63,7 @@ static const char* const valid_modargs[] = {
struct rule {
regex_t regex;
pa_volume_t volume;
pa_proplist *proplist;
struct rule *next;
};
@ -95,11 +96,12 @@ 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 +123,33 @@ 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 +157,7 @@ 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;
@ -180,12 +202,19 @@ static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, v
if (!(n = pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME)))
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);
}
}
}
}
@ -238,6 +267,8 @@ void pa__done(pa_module*m) {
n = r->next;
regfree(&r->regex);
if (r->proplist)
pa_proplist_free(r->proplist);
pa_xfree(r);
}