bluetooth: Handle changes to BlueZ 5 transports state

[pulseaudio] / src / modules / module-always-sink.c

diff --git a/src/modules/module-always-sink.c b/src/modules/module-always-sink.c
index 8b67a36dc40830c3e989d5bc7a3ad941d2414ca9..e0a645108d66488db0c4a1a04b0fca918ffd583c 100644 (file)
--- a/src/modules/module-always-sink.c
+++ b/src/modules/module-always-sink.c
@@ -5,7 +5,7 @@
 
     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
@@ -26,18 +26,18 @@
 #include <pulse/xmalloc.h>
 
 #include <pulsecore/core.h>
-#include <pulsecore/sink-input.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/i18n.h>
+#include <pulsecore/sink.h>
 #include <pulsecore/modargs.h>
 #include <pulsecore/log.h>
-#include <pulsecore/namereg.h>
-#include <pulsecore/core-util.h>
 
 #include "module-always-sink-symdef.h"
 
 PA_MODULE_AUTHOR("Colin Guthrie");
-PA_MODULE_DESCRIPTION("Always keeps at least one sink loaded even if it's a null one");
+PA_MODULE_DESCRIPTION(_("Always keeps at least one sink loaded even if it's a null one"));
 PA_MODULE_VERSION(PACKAGE_VERSION);
-PA_MODULE_LOAD_ONCE(TRUE);
+PA_MODULE_LOAD_ONCE(true);
 PA_MODULE_USAGE(
         "sink_name=<name of sink>");
 
@@ -50,8 +50,8 @@ static const char* const valid_modargs[] = {
 
 struct userdata {
     pa_hook_slot *put_slot, *unlink_slot;
-    pa_module* null_module;
-    pa_bool_t ignore;
+    uint32_t null_module;
+    bool ignore;
     char *sink_name;
 };
 
@@ -59,14 +59,15 @@ 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) */
-    for (target = pa_idxset_first(c->sinks, &idx); target; target = pa_idxset_next(c->sinks, &idx))
+    PA_IDXSET_FOREACH(target, c->sinks, idx)
         if (!sink || target != sink)
             break;
 
@@ -75,15 +76,17 @@ static void load_null_sink_if_needed(pa_core *c, pa_sink *sink, struct userdata*
 
     pa_log_debug("Autoloading null-sink as no other sinks detected.");
 
-    u->ignore = TRUE;
+    u->ignore = true;
 
-    t = pa_sprintf_malloc("sink_name=%s", u->sink_name);
-    u->null_module = pa_module_load(c, "module-null-sink", t);
+    t = pa_sprintf_malloc("sink_name=%s sink_properties='device.description=\"%s\"'", u->sink_name,
+                          _("Dummy Output"));
+    m = pa_module_load(c, "module-null-sink", t);
+    u->null_module = m ? m->index : PA_INVALID_INDEX;
     pa_xfree(t);
 
-    u->ignore = FALSE;
+    u->ignore = false;
 
-    if (!u->null_module)
+    if (!m)
         pa_log_warn("Unable to load module-null-sink");
 }
 
@@ -98,18 +101,22 @@ static pa_hook_result_t put_hook_callback(pa_core *c, pa_sink *sink, void* userd
     if (u->ignore)
         return PA_HOOK_OK;
 
+    /* There's no point in doing anything if the core is shut down anyway */
+    if (c->state == PA_CORE_SHUTDOWN)
+        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);
-    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;
 }
@@ -122,12 +129,16 @@ 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;
     }
 
+    /* There's no point in doing anything if the core is shut down anyway */
+    if (c->state == PA_CORE_SHUTDOWN)
+        return PA_HOOK_OK;
+
     load_null_sink_if_needed(c, sink, u);
 
     return PA_HOOK_OK;
@@ -148,8 +159,8 @@ 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->ignore = FALSE;
+    u->null_module = PA_INVALID_INDEX;
+    u->ignore = false;
 
     pa_modargs_free(ma);
 
@@ -170,8 +181,8 @@ 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);
+    if (u->null_module != PA_INVALID_INDEX && m->core->state != PA_CORE_SHUTDOWN)
+        pa_module_unload_request_by_index(m->core, u->null_module, true);
 
     pa_xfree(u->sink_name);
     pa_xfree(u);