-/* $Id$ */
-
/***
This file is part of PulseAudio.
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,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#include <string.h>
#include <errno.h>
#include <sys/types.h>
-#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
+#if defined(HAVE_REGEX_H)
+#include <regex.h>
+#elif defined(HAVE_PCREPOSIX_H)
+#include <pcreposix.h>
+#endif
+
#include <pulse/xmalloc.h>
#include <pulsecore/core-error.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
-#include <pulsecore/core-subscribe.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/core-util.h>
#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> "
+ "key=<property_key>");
#define WHITESPACE "\n\r \t"
#define DEFAULT_MATCH_TABLE_FILE PA_DEFAULT_CONFIG_DIR"/match.table"
#define DEFAULT_MATCH_TABLE_FILE_USER "match.table"
+#define UPDATE_REPLACE "replace"
+#define UPDATE_MERGE "merge"
+
static const char* const valid_modargs[] = {
"table",
+ "key",
NULL,
};
struct rule {
regex_t regex;
pa_volume_t volume;
+ pa_proplist *proplist;
+ pa_update_mode_t mode;
struct rule *next;
};
struct userdata {
struct rule *rules;
- pa_subscription *subscription;
+ char *property_key;
+ pa_hook_slot *sink_input_fixate_hook_slot;
};
static int load_rules(struct userdata *u, const char *filename) {
pa_assert(u);
- f = filename ?
- fopen(fn = pa_xstrdup(filename), "r") :
- pa_open_config_file(DEFAULT_MATCH_TABLE_FILE, DEFAULT_MATCH_TABLE_FILE_USER, NULL, &fn, "r");
+ if (filename)
+ f = pa_fopen_cloexec(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_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;
+ char *token_end, *value_str;
+ pa_volume_t volume = PA_VOLUME_NORM;
uint32_t k;
regex_t regex;
char ln[256];
struct rule *rule;
+ pa_proplist *proplist = NULL;
+ pa_update_mode_t mode = (pa_update_mode_t) -1;
if (!fgets(ln, sizeof(ln), f))
break;
if (ln[0] == '#' || !*ln )
continue;
- d = ln+strcspn(ln, WHITESPACE);
- v = d+strspn(d, WHITESPACE);
+ token_end = ln + strcspn(ln, WHITESPACE);
+ value_str = token_end + strspn(token_end, WHITESPACE);
+ *token_end = 0;
-
- if (!*v) {
- pa_log(__FILE__ ": [%s:%u] failed to parse line - too few words", filename, n);
+ if (!*ln) {
+ pa_log("[%s:%u] failed to parse line - missing regexp", fn, n);
goto finish;
}
- *d = 0;
- if (pa_atou(v, &k) < 0) {
- pa_log("[%s:%u] failed to parse volume", filename, n);
+ if (!*value_str) {
+ pa_log("[%s:%u] failed to parse line - too few words", fn, n);
goto finish;
}
- volume = (pa_volume_t) k;
-
+ if (pa_atou(value_str, &k) >= 0)
+ volume = (pa_volume_t) PA_CLAMP_VOLUME(k);
+ else {
+ size_t len;
+
+ token_end = value_str + strcspn(value_str, WHITESPACE);
+
+ len = token_end - value_str;
+ if (len == (sizeof(UPDATE_REPLACE) - 1) && !strncmp(value_str, UPDATE_REPLACE, len))
+ mode = PA_UPDATE_REPLACE;
+ else if (len == (sizeof(UPDATE_MERGE) - 1) && !strncmp(value_str, UPDATE_MERGE, len))
+ mode = PA_UPDATE_MERGE;
+
+ if (mode != (pa_update_mode_t) -1) {
+ value_str = token_end + strspn(token_end, WHITESPACE);
+
+ if (!*value_str) {
+ pa_log("[%s:%u] failed to parse line - too few words", fn, n);
+ goto finish;
+ }
+ } else
+ mode = PA_UPDATE_MERGE;
+
+ if (*value_str == '"') {
+ value_str++;
+
+ token_end = strchr(value_str, '"');
+ if (!token_end) {
+ pa_log("[%s:%u] failed to parse line - missing role closing quote", fn, n);
+ goto finish;
+ }
+ } else
+ token_end = value_str + strcspn(value_str, WHITESPACE);
+
+ *token_end = 0;
+
+ value_str = pa_sprintf_malloc("media.role=\"%s\"", value_str);
+ proplist = pa_proplist_from_string(value_str);
+ pa_xfree(value_str);
+ }
if (regcomp(®ex, ln, REG_EXTENDED|REG_NOSUB) != 0) {
- pa_log("[%s:%u] invalid regular expression", filename, n);
+ pa_log("[%s:%u] invalid regular expression", fn, n);
+ if (proplist)
+ pa_proplist_free(proplist);
goto finish;
}
rule = pa_xnew(struct rule, 1);
rule->regex = regex;
+ rule->proplist = proplist;
+ rule->mode = mode;
rule->volume = volume;
rule->next = NULL;
else
u->rules = rule;
end = rule;
-
- *d = 0;
}
ret = 0;
fclose(f);
}
- if (fn)
- pa_xfree(fn);
+ pa_xfree(fn);
return ret;
}
-static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
- struct userdata *u = userdata;
- pa_sink_input *si;
+static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *c, pa_sink_input_new_data *si, struct userdata *u) {
struct rule *r;
-
+ const char *n;
+
pa_assert(c);
pa_assert(u);
- if (t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW))
- return;
-
- if (!(si = pa_idxset_get_by_index(c->sink_inputs, idx)))
- return;
+ if (!(n = pa_proplist_gets(si->proplist, u->property_key)))
+ return PA_HOOK_OK;
- if (!si->name)
- return;
+ pa_log_debug("Matching with %s", n);
for (r = u->rules; r; r = r->next) {
- if (!regexec(&r->regex, si->name, 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, si->sample_spec.channels, r->volume);
- pa_sink_input_set_volume(si, &cv);
+ if (!regexec(&r->regex, n, 0, NULL, 0)) {
+ if (r->proplist) {
+ pa_log_debug("updating proplist of sink input '%s'", n);
+ pa_proplist_update(si->proplist, r->mode, r->proplist);
+ } else if (si->volume_writable) {
+ 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_new_data_set_volume(si, &cv);
+ } else
+ pa_log_debug("the volume of sink input '%s' is not writable, can't change it", n);
}
}
+
+ return PA_HOOK_OK;
}
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
-
+
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
goto fail;
}
- u = pa_xnew(struct userdata, 1);
+ u = pa_xnew0(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;
- u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u);
+ /* hook EARLY - 1, to match before stream-restore */
+ u->sink_input_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], PA_HOOK_EARLY - 1, (pa_hook_cb_t) sink_input_fixate_hook_callback, u);
pa_modargs_free(ma);
return 0;
if (ma)
pa_modargs_free(ma);
- return -1;
+ return -1;
}
void pa__done(pa_module*m) {
struct userdata* u;
struct rule *r, *n;
-
+
pa_assert(m);
if (!(u = m->userdata))
return;
- if (u->subscription)
- pa_subscription_free(u->subscription);
+ if (u->sink_input_fixate_hook_slot)
+ pa_hook_slot_free(u->sink_input_fixate_hook_slot);
+
+ 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);
}
pa_xfree(u);
}
-
-