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context: small cleanups

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This commit is contained in:
Wim Taymans 2018-12-14 16:41:19 +01:00
parent c9ac5e6e1e
commit b177f1d146
3 changed files with 38 additions and 19 deletions
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50
src/context.c
View file

@ -44,15 +44,17 @@ int pa_context_set_error(pa_context *c, int error) {
static void context_unlink(pa_context *c)
{
pa_stream *s, *t;
pa_operation *o;
pw_log_debug("context %p: unlink %d", c, c->state);
spa_list_for_each_safe(s, t, &c->streams, link) {
pa_stream_set_state(s, c->state == PA_CONTEXT_FAILED ?
PA_STREAM_FAILED : PA_STREAM_TERMINATED);
pa_stream_unref(s);
}
while(!spa_list_is_empty(&c->operations))
pa_operation_cancel(spa_list_first(&c->operations, pa_operation, link));
spa_list_consume(o, &c->operations, link)
pa_operation_cancel(o);
}
void pa_context_set_state(pa_context *c, pa_context_state_t st) {
@ -62,6 +64,8 @@ void pa_context_set_state(pa_context *c, pa_context_state_t st) {
if (c->state == st)
return;
pw_log_debug("context %p: state %d", c, st);
pa_context_ref(c);
c->state = st;
@ -79,6 +83,8 @@ static void context_fail(pa_context *c, int error) {
pa_assert(c);
pa_assert(c->refcount >= 1);
pw_log_debug("context %p: error %d", c, error);
pa_context_set_error(c, error);
pa_context_set_state(c, PA_CONTEXT_FAILED);
}
@ -148,6 +154,19 @@ struct global *pa_context_find_linked(pa_context *c, uint32_t idx)
return NULL;
}
static void emit_event(pa_context *c, struct global *g, pa_subscription_event_type_t event)
{
if (c->subscribe_mask & g->mask) {
if (c->subscribe_callback) {
pw_log_debug("context %p: obj %d: emit %d:%d", c, g->id, event, g->event);
c->subscribe_callback(c,
event | g->event,
g->id,
c->subscribe_userdata);
}
}
}
static int set_mask(pa_context *c, struct global *g)
{
const char *str;
@ -174,6 +193,7 @@ static int set_mask(pa_context *c, struct global *g)
return 0;
if (strcmp(str, "Audio/Sink") == 0) {
pw_log_debug("found sink %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_SINK;
g->event = PA_SUBSCRIPTION_EVENT_SINK;
g->node_info.monitor = SPA_ID_INVALID;
@ -181,6 +201,7 @@ static int set_mask(pa_context *c, struct global *g)
else if (strcmp(str, "Audio/DSP/Playback") == 0) {
if ((str = pw_properties_get(g->props, "node.session")) == NULL)
return 0;
pw_log_debug("found monitor %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_DSP_SINK | PA_SUBSCRIPTION_MASK_SOURCE;
g->event = PA_SUBSCRIPTION_EVENT_SOURCE;
g->dsp_info.session = pw_properties_parse_int(str);
@ -188,6 +209,7 @@ static int set_mask(pa_context *c, struct global *g)
f->node_info.monitor = g->id;
}
else if (strcmp(str, "Audio/Source") == 0) {
pw_log_debug("found source %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_SOURCE;
g->event = PA_SUBSCRIPTION_EVENT_SOURCE;
}
@ -198,21 +220,25 @@ static int set_mask(pa_context *c, struct global *g)
g->dsp_info.session = pw_properties_parse_int(str);
}
else if (strcmp(str, "Stream/Output/Audio") == 0) {
pw_log_debug("found sink input %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_SINK_INPUT;
g->event = PA_SUBSCRIPTION_EVENT_SINK_INPUT;
}
else if (strcmp(str, "Stream/Input/Audio") == 0) {
pw_log_debug("found source output %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT;
g->event = PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT;
}
break;
case PW_TYPE_INTERFACE_Module:
pw_log_debug("found module %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_MODULE;
g->event = PA_SUBSCRIPTION_EVENT_MODULE;
break;
case PW_TYPE_INTERFACE_Client:
pw_log_debug("found client %d", g->id);
g->mask = PA_SUBSCRIPTION_MASK_CLIENT;
g->event = PA_SUBSCRIPTION_EVENT_CLIENT;
break;
@ -262,13 +288,7 @@ static void registry_event_global(void *data, uint32_t id, uint32_t parent_id,
pw_log_debug("mask %d/%d", g->mask, g->event);
spa_list_append(&c->globals, &g->link);
if (c->subscribe_mask & g->mask) {
if (c->subscribe_callback)
c->subscribe_callback(c,
PA_SUBSCRIPTION_EVENT_NEW | g->event,
g->id,
c->subscribe_userdata);
}
emit_event(c, g, PA_SUBSCRIPTION_EVENT_NEW);
}
static void registry_event_global_remove(void *object, uint32_t id)
@ -280,13 +300,7 @@ static void registry_event_global_remove(void *object, uint32_t id)
if ((g = pa_context_find_global(c, id)) == NULL)
return;
if (c->subscribe_mask & g->mask) {
if (c->subscribe_callback)
c->subscribe_callback(c,
PA_SUBSCRIPTION_EVENT_REMOVE | g->event,
g->id,
c->subscribe_userdata);
}
emit_event(c, g, PA_SUBSCRIPTION_EVENT_REMOVE);
pw_log_debug("context %p: free %d %p", c, id, g);
spa_list_remove(&g->link);
@ -430,6 +444,8 @@ pa_context *pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char *
static void context_free(pa_context *c)
{
pw_log_debug("context %p: free", c);
context_unlink(c);
if (c->proplist)

1
src/operation.c
View file

@ -129,6 +129,7 @@ void pa_operation_cancel(pa_operation *o)
{
pa_assert(o);
pa_assert(o->refcount >= 1);
pw_log_debug("%p %d", o, o->seq);
operation_set_state(o, PA_OPERATION_CANCELED);
}

2
src/stream.c
View file

@ -934,6 +934,8 @@ int pa_stream_disconnect(pa_stream *s)
PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
pw_log_debug("stream %p: disconnect", s);
s->disconnecting = true;
pw_stream_disconnect(s->stream);
o = pa_operation_new(s->context, s, on_disconnected, 0);