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it's better to always use the index of a module instead of the pa_module*

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This commit is contained in:
Lennart Poettering 2008-12-17 21:32:40 +01:00
parent f5d40fa448
commit 906d06bd24
1 changed files with 15 additions and 13 deletions
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28
src/modules/module-always-sink.c
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@ -50,7 +50,7 @@ static const char* const valid_modargs[] = {
struct userdata {
pa_hook_slot *put_slot, *unlink_slot;
pa_module* null_module;
uint32_t null_module;
pa_bool_t ignore;
char *sink_name;
};
@ -59,10 +59,11 @@ static void load_null_sink_if_needed(pa_core *c, pa_sink *sink, struct userdata*
pa_sink *target;
uint32_t idx;
char *t;
pa_module *m;
pa_assert(c);
pa_assert(u);
pa_assert(!u->null_module);
pa_assert(u->null_module == PA_INVALID_INDEX);
/* Loop through all sinks and check to see if we have *any*
* sinks. Ignore the sink passed in (if it's not null) */
@ -78,12 +79,13 @@ static void load_null_sink_if_needed(pa_core *c, pa_sink *sink, struct userdata*
u->ignore = TRUE;
t = pa_sprintf_malloc("sink_name=%s", u->sink_name);
u->null_module = pa_module_load(c, "module-null-sink", t);
m = pa_module_load(c, "module-null-sink", t);
u->null_module = m ? m->index : PA_INVALID_INDEX;
pa_xfree(t);
u->ignore = FALSE;
if (!u->null_module)
if (!m)
pa_log_warn("Unable to load module-null-sink");
}
@ -99,17 +101,17 @@ static pa_hook_result_t put_hook_callback(pa_core *c, pa_sink *sink, void* userd
return PA_HOOK_OK;
/* Auto-loaded null-sink not active, so ignoring newly detected sink. */
if (!u->null_module)
if (u->null_module == PA_INVALID_INDEX)
return PA_HOOK_OK;
/* This is us detecting ourselves on load in a different way... just ignore this too. */
if (sink->module == u->null_module)
if (sink->module && sink->module->index == u->null_module)
return PA_HOOK_OK;
pa_log_info("A new sink has been discovered. Unloading null-sink.");
pa_module_unload_request(u->null_module, TRUE);
u->null_module = NULL;
pa_module_unload_request_by_index(c, u->null_module, TRUE);
u->null_module = PA_INVALID_INDEX;
return PA_HOOK_OK;
}
@ -122,9 +124,9 @@ static pa_hook_result_t unlink_hook_callback(pa_core *c, pa_sink *sink, void* us
pa_assert(u);
/* First check to see if it's our own null-sink that's been removed... */
if (u->null_module && sink->module == u->null_module) {
if (u->null_module != PA_INVALID_INDEX && sink->module && sink->module->index == u->null_module) {
pa_log_debug("Autoloaded null-sink removed");
u->null_module = NULL;
u->null_module = PA_INVALID_INDEX;
return PA_HOOK_OK;
}
@ -148,7 +150,7 @@ int pa__init(pa_module*m) {
u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
u->put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE, (pa_hook_cb_t) put_hook_callback, u);
u->unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_EARLY, (pa_hook_cb_t) unlink_hook_callback, u);
u->null_module = NULL;
u->null_module = PA_INVALID_INDEX;
u->ignore = FALSE;
pa_modargs_free(ma);
@ -170,8 +172,8 @@ void pa__done(pa_module*m) {
pa_hook_slot_free(u->put_slot);
if (u->unlink_slot)
pa_hook_slot_free(u->unlink_slot);
if (u->null_module)
pa_module_unload_request(u->null_module, TRUE);
if (u->null_module != PA_INVALID_INDEX)
pa_module_unload_request_by_index(m->core, u->null_module, TRUE);
pa_xfree(u->sink_name);
pa_xfree(u);