[pulseaudio-discuss] [PATCH 03/19] dbus: Use hooks for sink and source events
David Henningsson
david.henningsson at canonical.com
Thu Apr 2 06:44:29 PDT 2015
Acked.
On 2015-03-19 12:50, Juho Hämäläinen wrote:
> ---
> src/modules/dbus/iface-device.c | 121 ++++++++++++++++++++++++++++++----------
> 1 file changed, 91 insertions(+), 30 deletions(-)
>
> diff --git a/src/modules/dbus/iface-device.c b/src/modules/dbus/iface-device.c
> index efa4141..2c370a8 100644
> --- a/src/modules/dbus/iface-device.c
> +++ b/src/modules/dbus/iface-device.c
> @@ -94,8 +94,13 @@ struct pa_dbusiface_device {
> pa_device_port *active_port;
> pa_proplist *proplist;
>
> + pa_hook_slot *volume_changed_slot;
> + pa_hook_slot *mute_changed_slot;
> + pa_hook_slot *state_changed_slot;
> + pa_hook_slot *port_changed_slot;
> + pa_hook_slot *proplist_changed_slot;
> +
> pa_dbus_protocol *dbus_protocol;
> - pa_subscription *subscription;
> };
>
> enum property_handler_index {
> @@ -1077,30 +1082,15 @@ static void handle_source_get_all(DBusConnection *conn, DBusMessage *msg, void *
> dbus_message_unref(reply);
> }
>
> -static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
> - pa_dbusiface_device *d = userdata;
> +static pa_hook_result_t volume_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> + pa_dbusiface_device *d = slot_data;
> DBusMessage *signal_msg = NULL;
> const pa_cvolume *new_volume = NULL;
> - bool new_mute = false;
> - pa_sink_state_t new_sink_state = 0;
> - pa_source_state_t new_source_state = 0;
> - pa_device_port *new_active_port = NULL;
> - pa_proplist *new_proplist = NULL;
> unsigned i = 0;
>
> - pa_assert(c);
> - pa_assert(d);
> -
> - if ((d->type == PA_DEVICE_TYPE_SINK && idx != d->sink->index) || (d->type == PA_DEVICE_TYPE_SOURCE && idx != d->source->index))
> - return;
> -
> - if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) != PA_SUBSCRIPTION_EVENT_CHANGE)
> - return;
> -
> - pa_assert(((d->type == PA_DEVICE_TYPE_SINK)
> - && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK))
> - || ((d->type == PA_DEVICE_TYPE_SOURCE)
> - && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE)));
> + if ((d->type == PA_DEVICE_TYPE_SINK && d->sink != call_data) ||
> + (d->type == PA_DEVICE_TYPE_SOURCE && d->source != call_data))
> + return PA_HOOK_OK;
>
> new_volume = (d->type == PA_DEVICE_TYPE_SINK)
> ? pa_sink_get_volume(d->sink, false)
> @@ -1124,10 +1114,23 @@ static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t
>
> pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
> dbus_message_unref(signal_msg);
> - signal_msg = NULL;
> }
>
> - new_mute = (d->type == PA_DEVICE_TYPE_SINK) ? pa_sink_get_mute(d->sink, false) : pa_source_get_mute(d->source, false);
> + return PA_HOOK_OK;
> +}
> +
> +static pa_hook_result_t mute_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> + pa_dbusiface_device *d = slot_data;
> + DBusMessage *signal_msg = NULL;
> + bool new_mute = false;
> +
> + if ((d->type == PA_DEVICE_TYPE_SINK && d->sink != call_data) ||
> + (d->type == PA_DEVICE_TYPE_SOURCE && d->source != call_data))
> + return PA_HOOK_OK;
> +
> + new_mute = (d->type == PA_DEVICE_TYPE_SINK)
> + ? pa_sink_get_mute(d->sink, false)
> + : pa_source_get_mute(d->source, false);
>
> if (d->mute != new_mute) {
> d->mute = new_mute;
> @@ -1139,9 +1142,21 @@ static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t
>
> pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
> dbus_message_unref(signal_msg);
> - signal_msg = NULL;
> }
>
> + return PA_HOOK_OK;
> +}
> +
> +static pa_hook_result_t state_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> + pa_dbusiface_device *d = slot_data;
> + DBusMessage *signal_msg = NULL;
> + pa_sink_state_t new_sink_state = 0;
> + pa_source_state_t new_source_state = 0;
> +
> + if ((d->type == PA_DEVICE_TYPE_SINK && d->sink != call_data) ||
> + (d->type == PA_DEVICE_TYPE_SOURCE && d->source != call_data))
> + return PA_HOOK_OK;
> +
> if (d->type == PA_DEVICE_TYPE_SINK)
> new_sink_state = pa_sink_get_state(d->sink);
> else
> @@ -1165,9 +1180,20 @@ static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t
>
> pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
> dbus_message_unref(signal_msg);
> - signal_msg = NULL;
> }
>
> + return PA_HOOK_OK;
> +}
> +
> +static pa_hook_result_t port_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> + pa_dbusiface_device *d = slot_data;
> + DBusMessage *signal_msg = NULL;
> + pa_device_port *new_active_port = NULL;
> +
> + if ((d->type == PA_DEVICE_TYPE_SINK && d->sink != call_data) ||
> + (d->type == PA_DEVICE_TYPE_SOURCE && d->source != call_data))
> + return PA_HOOK_OK;
> +
> new_active_port = (d->type == PA_DEVICE_TYPE_SINK) ? d->sink->active_port : d->source->active_port;
>
> if (d->active_port != new_active_port) {
> @@ -1183,9 +1209,20 @@ static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t
>
> pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
> dbus_message_unref(signal_msg);
> - signal_msg = NULL;
> }
>
> + return PA_HOOK_OK;
> +}
> +
> +static pa_hook_result_t proplist_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> + pa_dbusiface_device *d = slot_data;
> + DBusMessage *signal_msg = NULL;
> + pa_proplist *new_proplist = NULL;
> +
> + if ((d->type == PA_DEVICE_TYPE_SINK && d->sink != call_data) ||
> + (d->type == PA_DEVICE_TYPE_SOURCE && d->source != call_data))
> + return PA_HOOK_OK;
> +
> new_proplist = (d->type == PA_DEVICE_TYPE_SINK) ? d->sink->proplist : d->source->proplist;
>
> if (!pa_proplist_equal(d->proplist, new_proplist)) {
> @@ -1201,8 +1238,9 @@ static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t
>
> pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
> dbus_message_unref(signal_msg);
> - signal_msg = NULL;
> }
> +
> + return PA_HOOK_OK;
> }
>
> pa_dbusiface_device *pa_dbusiface_device_new_sink(pa_dbusiface_core *core, pa_sink *sink) {
> @@ -1226,7 +1264,16 @@ pa_dbusiface_device *pa_dbusiface_device_new_sink(pa_dbusiface_core *core, pa_si
> d->active_port = sink->active_port;
> d->proplist = pa_proplist_copy(sink->proplist);
> d->dbus_protocol = pa_dbus_protocol_get(sink->core);
> - d->subscription = pa_subscription_new(sink->core, PA_SUBSCRIPTION_MASK_SINK, subscription_cb, d);
> + d->volume_changed_slot = pa_hook_connect(&sink->core->hooks[PA_CORE_HOOK_SINK_VOLUME_CHANGED],
> + PA_HOOK_NORMAL, volume_changed_cb, d);
> + d->mute_changed_slot = pa_hook_connect(&sink->core->hooks[PA_CORE_HOOK_SINK_MUTE_CHANGED],
> + PA_HOOK_NORMAL, mute_changed_cb, d);
> + d->state_changed_slot = pa_hook_connect(&sink->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED],
> + PA_HOOK_NORMAL, state_changed_cb, d);
> + d->port_changed_slot = pa_hook_connect(&sink->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED],
> + PA_HOOK_NORMAL, port_changed_cb, d);
> + d->proplist_changed_slot = pa_hook_connect(&sink->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED],
> + PA_HOOK_NORMAL, proplist_changed_cb, d);
>
> PA_HASHMAP_FOREACH(port, sink->ports, state) {
> pa_dbusiface_device_port *p = pa_dbusiface_device_port_new(d, sink->core, port, d->next_port_index++);
> @@ -1260,7 +1307,16 @@ pa_dbusiface_device *pa_dbusiface_device_new_source(pa_dbusiface_core *core, pa_
> d->active_port = source->active_port;
> d->proplist = pa_proplist_copy(source->proplist);
> d->dbus_protocol = pa_dbus_protocol_get(source->core);
> - d->subscription = pa_subscription_new(source->core, PA_SUBSCRIPTION_MASK_SOURCE, subscription_cb, d);
> + d->volume_changed_slot = pa_hook_connect(&source->core->hooks[PA_CORE_HOOK_SOURCE_VOLUME_CHANGED],
> + PA_HOOK_NORMAL, volume_changed_cb, d);
> + d->mute_changed_slot = pa_hook_connect(&source->core->hooks[PA_CORE_HOOK_SOURCE_MUTE_CHANGED],
> + PA_HOOK_NORMAL, mute_changed_cb, d);
> + d->state_changed_slot = pa_hook_connect(&source->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED],
> + PA_HOOK_NORMAL, state_changed_cb, d);
> + d->port_changed_slot = pa_hook_connect(&source->core->hooks[PA_CORE_HOOK_SOURCE_PORT_CHANGED],
> + PA_HOOK_NORMAL, port_changed_cb, d);
> + d->proplist_changed_slot = pa_hook_connect(&source->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED],
> + PA_HOOK_NORMAL, proplist_changed_cb, d);
>
> PA_HASHMAP_FOREACH(port, source->ports, state) {
> pa_dbusiface_device_port *p = pa_dbusiface_device_port_new(d, source->core, port, d->next_port_index++);
> @@ -1276,6 +1332,12 @@ pa_dbusiface_device *pa_dbusiface_device_new_source(pa_dbusiface_core *core, pa_
> void pa_dbusiface_device_free(pa_dbusiface_device *d) {
> pa_assert(d);
>
> + pa_hook_slot_free(d->volume_changed_slot);
> + pa_hook_slot_free(d->mute_changed_slot);
> + pa_hook_slot_free(d->state_changed_slot);
> + pa_hook_slot_free(d->port_changed_slot);
> + pa_hook_slot_free(d->proplist_changed_slot);
> +
> pa_assert_se(pa_dbus_protocol_remove_interface(d->dbus_protocol, d->path, device_interface_info.name) >= 0);
>
> if (d->type == PA_DEVICE_TYPE_SINK) {
> @@ -1289,7 +1351,6 @@ void pa_dbusiface_device_free(pa_dbusiface_device *d) {
> pa_hashmap_free(d->ports);
> pa_proplist_free(d->proplist);
> pa_dbus_protocol_unref(d->dbus_protocol);
> - pa_subscription_free(d->subscription);
>
> pa_xfree(d->path);
> pa_xfree(d);
>
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
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