[pulseaudio-discuss] [PATCH v3 7/8] sink: move the streams to the default_sink when the sink is unlinked
Hui Wang
hui.wang at canonical.com
Sun Aug 18 05:32:40 UTC 2019
When a sink is unlinked, all streams of this sink are moved to
default_sink, this action is implemented in the core rather than
modules now.
Signed-off-by: Hui Wang <hui.wang at canonical.com>
---
src/modules/module-rescue-streams.c | 134 +---------------------------
src/modules/module-stream-restore.c | 50 -----------
src/pulsecore/sink.c | 8 +-
3 files changed, 8 insertions(+), 184 deletions(-)
diff --git a/src/modules/module-rescue-streams.c b/src/modules/module-rescue-streams.c
index 0d8b1be8b..a21b95a96 100644
--- a/src/modules/module-rescue-streams.c
+++ b/src/modules/module-rescue-streams.c
@@ -24,7 +24,6 @@
#include <pulse/xmalloc.h>
#include <pulsecore/core.h>
-#include <pulsecore/sink-input.h>
#include <pulsecore/source-output.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
@@ -32,7 +31,7 @@
#include <pulsecore/core-util.h>
PA_MODULE_AUTHOR("Lennart Poettering");
-PA_MODULE_DESCRIPTION("When a sink/source is removed, try to move its streams to the default sink/source");
+PA_MODULE_DESCRIPTION("When a source is removed, try to move its streams to the default source");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(true);
@@ -42,9 +41,7 @@ static const char* const valid_modargs[] = {
struct userdata {
pa_hook_slot
- *sink_unlink_slot,
*source_unlink_slot,
- *sink_input_move_fail_slot,
*source_output_move_fail_slot;
};
@@ -65,23 +62,6 @@ static pa_source* find_source_from_port(pa_core *c, pa_device_port *port) {
return NULL;
}
-static pa_sink* find_sink_from_port(pa_core *c, pa_device_port *port) {
- pa_sink *target;
- uint32_t idx;
- void *state;
- pa_device_port *p;
-
- if (!port)
- return NULL;
-
- PA_IDXSET_FOREACH(target, c->sinks, idx)
- PA_HASHMAP_FOREACH(p, target->ports, state)
- if (port == p)
- return target;
-
- return NULL;
-}
-
static void build_group_ports(pa_hashmap *g_ports, pa_hashmap *s_ports) {
void *state;
pa_device_port *p;
@@ -93,112 +73,6 @@ static void build_group_ports(pa_hashmap *g_ports, pa_hashmap *s_ports) {
pa_hashmap_put(g_ports, p, p);
}
-static pa_sink* find_evacuation_sink(pa_core *c, pa_sink_input *i, pa_sink *skip) {
- pa_sink *target, *fb_sink = NULL;
- uint32_t idx;
- pa_hashmap *all_ports;
- pa_device_port *best_port;
-
- pa_assert(c);
- pa_assert(i);
-
- if (c->default_sink && c->default_sink != skip && pa_sink_input_may_move_to(i, c->default_sink))
- return c->default_sink;
-
- all_ports = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
-
- PA_IDXSET_FOREACH(target, c->sinks, idx) {
- if (target == c->default_sink)
- continue;
-
- if (target == skip)
- continue;
-
- if (!PA_SINK_IS_LINKED(target->state))
- continue;
-
- if (!pa_sink_input_may_move_to(i, target))
- continue;
-
- if (!fb_sink)
- fb_sink = target;
-
- build_group_ports(all_ports, target->ports);
- }
-
- best_port = pa_device_port_find_best(all_ports);
-
- pa_hashmap_free(all_ports);
-
- if (best_port)
- target = find_sink_from_port(c, best_port);
- else
- target = fb_sink;
-
- if (!target)
- pa_log_debug("No evacuation sink found.");
-
- return target;
-}
-
-static pa_hook_result_t sink_unlink_hook_callback(pa_core *c, pa_sink *sink, void* userdata) {
- pa_sink_input *i;
- uint32_t idx;
-
- pa_assert(c);
- pa_assert(sink);
-
- /* There's no point in doing anything if the core is shut down anyway */
- if (c->state == PA_CORE_SHUTDOWN)
- return PA_HOOK_OK;
-
- if (pa_idxset_size(sink->inputs) <= 0) {
- pa_log_debug("No sink inputs to move away.");
- return PA_HOOK_OK;
- }
-
- PA_IDXSET_FOREACH(i, sink->inputs, idx) {
- pa_sink *target;
-
- if (!(target = find_evacuation_sink(c, i, sink)))
- continue;
-
- if (pa_sink_input_move_to(i, target, false) < 0)
- pa_log_info("Failed to move sink input %u \"%s\" to %s.", i->index,
- pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
- else
- pa_log_info("Successfully moved sink input %u \"%s\" to %s.", i->index,
- pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
- }
-
- return PA_HOOK_OK;
-}
-
-static pa_hook_result_t sink_input_move_fail_hook_callback(pa_core *c, pa_sink_input *i, void *userdata) {
- pa_sink *target;
-
- pa_assert(c);
- pa_assert(i);
-
- /* There's no point in doing anything if the core is shut down anyway */
- if (c->state == PA_CORE_SHUTDOWN)
- return PA_HOOK_OK;
-
- if (!(target = find_evacuation_sink(c, i, NULL)))
- return PA_HOOK_OK;
-
- if (pa_sink_input_finish_move(i, target, false) < 0) {
- pa_log_info("Failed to move sink input %u \"%s\" to %s.", i->index,
- pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
- return PA_HOOK_OK;
-
- } else {
- pa_log_info("Successfully moved sink input %u \"%s\" to %s.", i->index,
- pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
- return PA_HOOK_STOP;
- }
-}
-
static pa_source* find_evacuation_source(pa_core *c, pa_source_output *o, pa_source *skip) {
pa_source *target, *fb_source = NULL;
uint32_t idx;
@@ -323,10 +197,8 @@ int pa__init(pa_module*m) {
m->userdata = u = pa_xnew(struct userdata, 1);
/* A little bit later than module-stream-restore, module-intended-roles... */
- u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE+20, (pa_hook_cb_t) sink_unlink_hook_callback, u);
u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE+20, (pa_hook_cb_t) source_unlink_hook_callback, u);
- u->sink_input_move_fail_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FAIL], PA_HOOK_LATE+20, (pa_hook_cb_t) sink_input_move_fail_hook_callback, u);
u->source_output_move_fail_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FAIL], PA_HOOK_LATE+20, (pa_hook_cb_t) source_output_move_fail_hook_callback, u);
pa_modargs_free(ma);
@@ -341,13 +213,9 @@ void pa__done(pa_module*m) {
if (!(u = m->userdata))
return;
- if (u->sink_unlink_slot)
- pa_hook_slot_free(u->sink_unlink_slot);
if (u->source_unlink_slot)
pa_hook_slot_free(u->source_unlink_slot);
- if (u->sink_input_move_fail_slot)
- pa_hook_slot_free(u->sink_input_move_fail_slot);
if (u->source_output_move_fail_slot)
pa_hook_slot_free(u->source_output_move_fail_slot);
diff --git a/src/modules/module-stream-restore.c b/src/modules/module-stream-restore.c
index aa7bd38dc..838b7fcaa 100644
--- a/src/modules/module-stream-restore.c
+++ b/src/modules/module-stream-restore.c
@@ -96,7 +96,6 @@ struct userdata {
*source_output_new_hook_slot,
*source_output_fixate_hook_slot,
*source_put_hook_slot,
- *sink_unlink_hook_slot,
*source_unlink_hook_slot,
*connection_unlink_hook_slot;
pa_time_event *save_time_event;
@@ -1695,54 +1694,6 @@ static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source,
return PA_HOOK_OK;
}
-static pa_hook_result_t sink_unlink_hook_callback(pa_core *c, pa_sink *sink, struct userdata *u) {
- pa_sink_input *si;
- uint32_t idx;
-
- pa_assert(c);
- pa_assert(sink);
- pa_assert(u);
- pa_assert(u->on_rescue && u->restore_device);
-
- /* There's no point in doing anything if the core is shut down anyway */
- if (c->state == PA_CORE_SHUTDOWN)
- return PA_HOOK_OK;
-
- PA_IDXSET_FOREACH(si, sink->inputs, idx) {
- char *name;
- struct entry *e;
-
- if (!si->sink)
- continue;
-
- /* Skip this sink input if it is connecting a filter sink to
- * the master */
- if (si->origin_sink)
- continue;
-
- if (!(name = pa_proplist_get_stream_group(si->proplist, "sink-input", IDENTIFICATION_PROPERTY)))
- continue;
-
- if ((e = entry_read(u, name))) {
-
- if (e->device_valid) {
- pa_sink *d;
-
- if ((d = pa_namereg_get(c, e->device, PA_NAMEREG_SINK)) &&
- d != sink &&
- PA_SINK_IS_LINKED(d->state))
- pa_sink_input_move_to(si, d, true);
- }
-
- entry_free(e);
- }
-
- pa_xfree(name);
- }
-
- return PA_HOOK_OK;
-}
-
static pa_hook_result_t source_unlink_hook_callback(pa_core *c, pa_source *source, struct userdata *u) {
pa_source_output *so;
uint32_t idx;
@@ -2424,7 +2375,6 @@ int pa__init(pa_module*m) {
if (restore_device && on_rescue) {
/* A little bit earlier than module-intended-roles, module-rescue-streams, ... */
- pa_module_hook_connect(m, &m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) sink_unlink_hook_callback, u);
pa_module_hook_connect(m, &m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) source_unlink_hook_callback, u);
}
diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 274d5c673..70fa7a463 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -759,6 +759,9 @@ void pa_sink_unlink(pa_sink* s) {
pa_core_update_default_sink(s->core, false);
+ if (linked)
+ pa_sink_move_streams_to_default_sink(s->core, s, false);
+
if (s->card)
pa_idxset_remove_by_data(s->card->sinks, s, NULL);
@@ -3942,6 +3945,9 @@ void pa_sink_move_streams_to_default_sink(pa_core *core, pa_sink *old_sink, bool
pa_assert(core);
pa_assert(old_sink);
+ if (core->state == PA_CORE_SHUTDOWN)
+ return;
+
if (core->default_sink == NULL || core->default_sink->unlink_requested)
return;
@@ -3959,7 +3965,7 @@ void pa_sink_move_streams_to_default_sink(pa_core *core, pa_sink *old_sink, bool
if (pa_safe_streq(old_sink->name, i->preferred_sink) && !old_sink_is_unavailable)
continue;
- pa_log_info("The sink input %u \"%s\" is moving to %s due to default_sink is changed.",
+ pa_log_info("The sink input %u \"%s\" is moving to %s due to sink is unlinked or default_sink is changed.",
i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), core->default_sink->name);
pa_sink_input_move_to(i, core->default_sink, from_user);
}
--
2.17.1
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