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device-manager: Ensure that sinks/sources populate the device manager lists in order of their priority.

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Currently the order of the sinks is simply that of their position in the idxset which is certainly
not what the user would want.
This commit is contained in:
Colin Guthrie 2010-06-04 09:36:57 +01:00
parent 098e9ea1fb
commit b02abcb613
1 changed files with 59 additions and 5 deletions
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64
src/modules/module-device-manager.c
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@ -1389,6 +1389,11 @@ static pa_hook_result_t connection_unlink_hook_cb(pa_native_protocol *p, pa_nati
return PA_HOOK_OK;
}
struct prioritised_indexes {
uint32_t index;
int32_t priority;
};
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
@ -1397,6 +1402,7 @@ int pa__init(pa_module*m) {
pa_source *source;
uint32_t idx;
pa_bool_t do_routing = FALSE, on_hotplug = TRUE, on_rescue = TRUE;
uint32_t total_devices;
pa_assert(m);
@ -1460,12 +1466,60 @@ int pa__init(pa_module*m) {
pa_log_info("Sucessfully opened database file '%s'.", fname);
pa_xfree(fname);
/* We cycle over all the available sinks so that they are added to our database if they are not in it yet */
PA_IDXSET_FOREACH(sink, m->core->sinks, idx)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_NEW, sink->index, u);
/* Attempt to inject the devices into the list in priority order */
total_devices = PA_MAX(pa_idxset_size(m->core->sinks), pa_idxset_size(m->core->sources));
if (total_devices > 0 && total_devices < 128) {
uint32_t i;
struct prioritised_indexes p_i[128];
PA_IDXSET_FOREACH(source, m->core->sources, idx)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_NEW, source->index, u);
/* We cycle over all the available sinks so that they are added to our database if they are not in it yet */
i = 0;
PA_IDXSET_FOREACH(sink, m->core->sinks, idx) {
pa_log_debug("Found sink index %u", sink->index);
p_i[i ].index = sink->index;
p_i[i++].priority = sink->priority;
}
/* Bubble sort it (only really useful for first time creation) */
if (i > 1)
for (uint32_t j = 0; j < i; ++j)
for (uint32_t k = 0; k < i; ++k)
if (p_i[j].priority > p_i[k].priority) {
struct prioritised_indexes tmp_pi = p_i[k];
p_i[k] = p_i[j];
p_i[j] = tmp_pi;
}
/* Register it */
for (uint32_t j = 0; j < i; ++j)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_NEW, p_i[j].index, u);
/* We cycle over all the available sources so that they are added to our database if they are not in it yet */
i = 0;
PA_IDXSET_FOREACH(source, m->core->sources, idx) {
p_i[i ].index = source->index;
p_i[i++].priority = source->priority;
}
/* Bubble sort it (only really useful for first time creation) */
if (i > 1)
for (uint32_t j = 0; j < i; ++j)
for (uint32_t k = 0; k < i; ++k)
if (p_i[j].priority > p_i[k].priority) {
struct prioritised_indexes tmp_pi = p_i[k];
p_i[k] = p_i[j];
p_i[j] = tmp_pi;
}
/* Register it */
for (uint32_t j = 0; j < i; ++j)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_NEW, p_i[j].index, u);
}
else if (total_devices > 0) {
/* This user has a *lot* of devices... */
PA_IDXSET_FOREACH(sink, m->core->sinks, idx)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_NEW, sink->index, u);
PA_IDXSET_FOREACH(source, m->core->sources, idx)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_NEW, source->index, u);
}
/* Perform the routing (if it's enabled) which will update our priority list cache too */
for (uint32_t i = 0; i < NUM_ROLES; ++i) {