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f178a5b12e
With this patch, messages can be sent to the cards to enable/disable jack detection for the whole card or single ports, manually set a port state and to retrieve the current state of jack detection and port availability.
317 lines
9.8 KiB
C
317 lines
9.8 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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Copyright 2011 David Henningsson, Canonical Ltd.
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include "device-port.h"
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#include <pulsecore/card.h>
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#include <pulsecore/core-util.h>
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PA_DEFINE_PUBLIC_CLASS(pa_device_port, pa_object);
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pa_device_port_new_data *pa_device_port_new_data_init(pa_device_port_new_data *data) {
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pa_assert(data);
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pa_zero(*data);
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data->type = PA_DEVICE_PORT_TYPE_UNKNOWN;
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data->available = PA_AVAILABLE_UNKNOWN;
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return data;
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}
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void pa_device_port_new_data_set_name(pa_device_port_new_data *data, const char *name) {
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pa_assert(data);
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pa_xfree(data->name);
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data->name = pa_xstrdup(name);
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}
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void pa_device_port_new_data_set_description(pa_device_port_new_data *data, const char *description) {
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pa_assert(data);
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pa_xfree(data->description);
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data->description = pa_xstrdup(description);
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}
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void pa_device_port_new_data_set_available(pa_device_port_new_data *data, pa_available_t available) {
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pa_assert(data);
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data->available = available;
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}
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void pa_device_port_new_data_set_availability_group(pa_device_port_new_data *data, const char *group) {
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pa_assert(data);
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pa_xfree(data->availability_group);
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data->availability_group = pa_xstrdup(group);
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}
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void pa_device_port_new_data_set_direction(pa_device_port_new_data *data, pa_direction_t direction) {
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pa_assert(data);
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data->direction = direction;
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}
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void pa_device_port_new_data_set_type(pa_device_port_new_data *data, pa_device_port_type_t type) {
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pa_assert(data);
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data->type = type;
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}
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void pa_device_port_new_data_done(pa_device_port_new_data *data) {
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pa_assert(data);
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pa_xfree(data->name);
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pa_xfree(data->description);
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pa_xfree(data->availability_group);
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}
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void pa_device_port_set_preferred_profile(pa_device_port *p, const char *new_pp) {
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pa_assert(p);
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if (!pa_safe_streq(p->preferred_profile, new_pp)) {
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pa_xfree(p->preferred_profile);
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p->preferred_profile = pa_xstrdup(new_pp);
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}
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}
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void pa_device_port_set_available(pa_device_port *p, pa_available_t status, bool force) {
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pa_assert(p);
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/* If force is not set, status reflects the state of the port from a
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* hardware perspective. We need to keep track of the real port state
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* so that we can go back to it once jack detection is enabled for the
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* port. If force is set, we are updating the port state manually, so
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* the hardware state is unaffected. */
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if (!force)
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p->hw_available = status;
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if (p->available == status)
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return;
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/* Do not set the port state if jack detection is disabled for the port
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* unless we are setting the state manually. */
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if (!force && !p->jack_detection)
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return;
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/* pa_assert(status != PA_AVAILABLE_UNKNOWN); */
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p->available = status;
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pa_log_debug("Setting port %s to status %s", p->name, pa_available_to_string(status));
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/* Post subscriptions to the card which owns us */
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/* XXX: We need to check p->card, because this function may be called
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* before the card object has been created. The card object should probably
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* be created before port objects, and then p->card could be non-NULL for
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* the whole lifecycle of pa_device_port. */
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if (p->card && p->card->linked) {
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pa_sink *sink;
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pa_source *source;
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pa_subscription_post(p->core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, p->card->index);
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sink = pa_device_port_get_sink(p);
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source = pa_device_port_get_source(p);
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if (sink)
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pa_subscription_post(p->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, sink->index);
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if (source)
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pa_subscription_post(p->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, source->index);
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/* A sink or source whose active port is unavailable can't be the
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* default sink/source, so port availability changes may affect the
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* default sink/source choice. */
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if (p->direction == PA_DIRECTION_OUTPUT)
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pa_core_update_default_sink(p->core);
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else
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pa_core_update_default_source(p->core);
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if (p->direction == PA_DIRECTION_OUTPUT) {
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if (sink && p == sink->active_port) {
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if (sink->active_port->available == PA_AVAILABLE_NO) {
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if (p->core->rescue_streams)
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pa_sink_move_streams_to_default_sink(p->core, sink, false);
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} else
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pa_core_move_streams_to_newly_available_preferred_sink(p->core, sink);
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}
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} else {
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if (source && p == source->active_port) {
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if (source->active_port->available == PA_AVAILABLE_NO) {
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if (p->core->rescue_streams)
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pa_source_move_streams_to_default_source(p->core, source, false);
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} else
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pa_core_move_streams_to_newly_available_preferred_source(p->core, source);
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}
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}
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/* This may cause the sink and source pointers to become invalid, if
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* the availability change causes the card profile to get switched. If
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* you add code after this line, remember to take that into account. */
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pa_hook_fire(&p->core->hooks[PA_CORE_HOOK_PORT_AVAILABLE_CHANGED], p);
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}
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}
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static void device_port_free(pa_object *o) {
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pa_device_port *p = PA_DEVICE_PORT(o);
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pa_assert(p);
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pa_assert(pa_device_port_refcnt(p) == 0);
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if (p->impl_free)
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p->impl_free(p);
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if (p->proplist)
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pa_proplist_free(p->proplist);
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if (p->profiles)
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pa_hashmap_free(p->profiles);
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pa_xfree(p->availability_group);
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pa_xfree(p->preferred_profile);
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pa_xfree(p->name);
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pa_xfree(p->description);
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pa_xfree(p);
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}
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pa_device_port *pa_device_port_new(pa_core *c, pa_device_port_new_data *data, size_t extra) {
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pa_device_port *p;
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pa_assert(data);
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pa_assert(data->name);
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pa_assert(data->description);
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pa_assert(data->direction == PA_DIRECTION_OUTPUT || data->direction == PA_DIRECTION_INPUT);
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p = PA_DEVICE_PORT(pa_object_new_internal(PA_ALIGN(sizeof(pa_device_port)) + extra, pa_device_port_type_id, pa_device_port_check_type));
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p->parent.free = device_port_free;
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p->name = data->name;
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data->name = NULL;
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p->description = data->description;
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data->description = NULL;
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p->core = c;
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p->card = NULL;
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p->priority = 0;
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p->available = data->available;
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p->availability_group = data->availability_group;
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data->availability_group = NULL;
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p->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
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p->direction = data->direction;
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p->type = data->type;
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p->latency_offset = 0;
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p->jack_detection = true;
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p->proplist = pa_proplist_new();
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return p;
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}
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void pa_device_port_set_latency_offset(pa_device_port *p, int64_t offset) {
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uint32_t state;
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pa_core *core;
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pa_assert(p);
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if (offset == p->latency_offset)
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return;
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p->latency_offset = offset;
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switch (p->direction) {
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case PA_DIRECTION_OUTPUT: {
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pa_sink *sink;
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PA_IDXSET_FOREACH(sink, p->core->sinks, state) {
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if (sink->active_port == p) {
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pa_sink_set_port_latency_offset(sink, p->latency_offset);
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break;
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}
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}
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break;
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}
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case PA_DIRECTION_INPUT: {
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pa_source *source;
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PA_IDXSET_FOREACH(source, p->core->sources, state) {
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if (source->active_port == p) {
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pa_source_set_port_latency_offset(source, p->latency_offset);
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break;
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}
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}
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break;
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}
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}
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pa_assert_se(core = p->core);
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pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, p->card->index);
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pa_hook_fire(&core->hooks[PA_CORE_HOOK_PORT_LATENCY_OFFSET_CHANGED], p);
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}
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pa_device_port *pa_device_port_find_best(pa_hashmap *ports)
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{
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void *state;
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pa_device_port *p, *best = NULL;
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if (!ports)
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return NULL;
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/* First run: skip unavailable ports */
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PA_HASHMAP_FOREACH(p, ports, state) {
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if (p->available == PA_AVAILABLE_NO)
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continue;
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if (!best || p->priority > best->priority)
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best = p;
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}
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/* Second run: if only unavailable ports exist, still suggest a port */
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if (!best) {
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PA_HASHMAP_FOREACH(p, ports, state)
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if (!best || p->priority > best->priority)
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best = p;
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}
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return best;
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}
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pa_sink *pa_device_port_get_sink(pa_device_port *p) {
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pa_sink *rs = NULL;
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pa_sink *sink;
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uint32_t state;
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PA_IDXSET_FOREACH(sink, p->card->sinks, state)
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if (p == pa_hashmap_get(sink->ports, p->name)) {
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rs = sink;
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break;
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}
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return rs;
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}
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pa_source *pa_device_port_get_source(pa_device_port *p) {
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pa_source *rs = NULL;
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pa_source *source;
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uint32_t state;
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PA_IDXSET_FOREACH(source, p->card->sources, state)
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if (p == pa_hashmap_get(source->ports, p->name)) {
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rs = source;
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break;
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}
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return rs;
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}
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