From 6c2aef81c4182695487fabbd19c5c0a84409b49f Mon Sep 17 00:00:00 2001 From: Manuel Bachmann Date: Thu, 9 Jun 2016 18:22:08 +0200 Subject: Initial commit Change-Id: Ic974941bdd30309b4adb72b7a05959332750210b Signed-off-by: Manuel Bachmann --- discover.c | 758 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 758 insertions(+) create mode 100644 discover.c (limited to 'discover.c') diff --git a/discover.c b/discover.c new file mode 100644 index 0000000..e6e8243 --- /dev/null +++ b/discover.c @@ -0,0 +1,758 @@ +/* + * module-agl-audio -- PulseAudio module for providing audio routing support + * (forked from "module-murphy-ivi" - https://github.com/otcshare ) + * Copyright (c) 2012, Intel Corporation. + * Copyright (c) 2016, IoT.bzh + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU Lesser General Public License, + * version 2.1, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, + * MA 02110-1301 USA. + * + */ +#include /* required for "core-util.h" */ +#include /* requred for "pa_streq" */ +#include /* required for "card.h" */ +#include /* for "struct pa_card", "struct pa_card_profile" */ + +#include "discover.h" +#include "node.h" +#include "utils.h" +#include "classify.h" +#include "router.h" + +#define MAX_CARD_TARGET 4 /* max number of managed sinks/sources per card */ +#define MAX_NAME_LENGTH 256 /* max sink/source name length */ + +static void handle_alsa_card (struct userdata *, pa_card *); +static void handle_alsa_card_sinks_and_sources (struct userdata *, pa_card *, agl_node *, const char *); +static void get_sinks_and_sources_from_profile (pa_card_profile *, char **, char **, char *, int); +static char *get_sink_or_source_from_str (char **, int); +static void handle_card_ports (struct userdata *, agl_node *, pa_card *, pa_card_profile *); +static const char *node_key (struct userdata *, agl_direction, + void *, pa_device_port *, char *, size_t); +static agl_node *create_node (struct userdata *, agl_node *, bool *); + +struct pa_discover *pa_discover_init (struct userdata *u) +{ + pa_discover *discover = pa_xnew0 (pa_discover, 1); + discover->chmin = 1; + discover->chmax = 2; + discover->selected = true; + discover->nodes.byname = pa_hashmap_new (pa_idxset_string_hash_func, + pa_idxset_string_compare_func); + discover->nodes.byptr = pa_hashmap_new (pa_idxset_trivial_hash_func, + pa_idxset_trivial_compare_func); + + return discover; +} + +void pa_discover_done (struct userdata *u) +{ + pa_discover *discover; + void *state; + agl_node *node; + + if (u && (discover = u->discover)) { + /*PA_HASHMAP_FOREACH(node, discover->nodes.byname, state) { + agl_node_destroy(u, node); + }*/ + pa_hashmap_free (discover->nodes.byname); + pa_hashmap_free (discover->nodes.byptr); + pa_xfree (discover); + u->discover = NULL; + } +} + +void pa_discover_add_card (struct userdata *u, pa_card *card) +{ + const char *bus; + + pa_assert(u); + pa_assert(card); + + if (!(bus = pa_utils_get_card_bus (card))) { + pa_log_debug ("ignoring card '%s' due to lack of '%s' property", + pa_utils_get_card_name (card), PA_PROP_DEVICE_BUS); + return; + } + + if (pa_streq(bus, "pci") || pa_streq(bus, "usb") || pa_streq(bus, "platform")) { + pa_log_debug ("adding card '%s' thanks to its '%s' property", + pa_utils_get_card_name (card), PA_PROP_DEVICE_BUS); + pa_log_debug ("card type is '%s'", bus); + handle_alsa_card (u, card); + return; + } +/* this never happens, because "pa_utils_get_card_bus()" never returns "bluetooth", + * but have this here as a reminder */ +#if 0 + else if (pa_streq(bus, "bluetooth")) { + handle_bluetooth_card(u, card); + return; + } +#endif + + pa_log_debug ("ignoring card '%s' due to unsupported bus type '%s'", + pa_utils_get_card_name (card), bus); +} + +void pa_discover_remove_card (struct userdata *u, pa_card *card) +{ + const char *bus; + pa_discover *discover; + agl_node *node; + void *state; + + pa_assert (u); + pa_assert (card); + pa_assert_se (discover = u->discover); + + if (!(bus = pa_utils_get_card_bus(card))) + bus = ""; + + /*PA_HASHMAP_FOREACH(node, discover->nodes.byname, state) { + if (node->implement == agl_device && + node->pacard.index == card->index) + { + if (pa_streq(bus, "pci") || pa_streq(bus, "usb") || pa_streq(bus, "platform")) + agl_constrain_destroy (u, node->paname); + + destroy_node(u, node); + }*/ + + /* this never happens, because "pa_utils_get_card_bus()" never returns "bluetooth", + * but have this here as a reminder */ +#if 0 + if (pa_streq(bus, "bluetooth")) + agl_constrain_destroy(u, card->name); +#endif +} + +void pa_discover_add_sink (struct userdata *u, pa_sink *sink, bool route) +{ + pa_core *core; + pa_discover *discover; + pa_module *module; + pa_card *card; + char kbf[256]; + const char *key; + agl_node *node; + pa_source *null_source; + + pa_assert (u); + pa_assert (sink); + pa_assert_se (core = u->core); + pa_assert_se (discover = u->discover); + + module = sink->module; + card = sink->card; + + if (card) { + /* helper function verifying that sink direction is input/output */ + key = node_key (u, agl_output, sink, NULL, kbf, sizeof(kbf)); + if (!key) return; + pa_log_debug ("Sink key: %s", key); + node = pa_discover_find_node_by_key (u, key); + if (!node) { /* ALWAYS NULL, IF CALL "handle_card_ports" FROM "handle_alsa_card" !!! */ + if (u->state.profile) + pa_log_debug ("can't find node for sink (key '%s')", key); + else { /* how do we get here ? not in initial setup */ + u->state.sink = sink->index; + pa_log_debug ("BUG ! Did you call handle_card_ports() ?"); + } + return; + } + pa_log_debug("node for '%s' found (key %s). Updating with sink data", + node->paname, node->key); + node->paidx = sink->index; + node->available = true; + pa_discover_add_node_to_ptr_hash (u, sink, node); + +#if 0 + /* loopback part : it is a device node, use "module-loopback" to make its */ + if (node->implement == agl_device) { + null_source = pa_utils_get_null_source (u); + if (!null_source) { + pa_log ("Can't load loopback module: no initial null source"); + return; + } + } +#endif + } +} + + +static void handle_alsa_card (struct userdata *u, pa_card *card) +{ + agl_node data; + const char *cnam; /* PulseAudio name */ + const char *cid; /* short PulseAudio name (with "alsa_name." stripped) */ + const char *alsanam; /* ALSA name */ + const char *udd; /* managed by udev ("1" = yes) */ + + memset (&data, 0, sizeof(data)); + data.zone = pa_utils_get_zone (card->proplist, NULL); + data.visible = true; + data.amid = AM_ID_INVALID; + data.implement = agl_device; /* this node is a physical device */ + data.paidx = PA_IDXSET_INVALID; + data.stamp = pa_utils_get_stamp (); /* each time incremented by one */ + + cnam = pa_utils_get_card_name (card); /* PulseAudio name */ + cid = cnam + 10; /* PulseAudio short name, with "alsa_card." prefix removed */ + alsanam = pa_proplist_gets (card->proplist, "alsa.card_name"); /* ALSA name */ + udd = pa_proplist_gets (card->proplist, "module-udev-detect.discovered"); + + data.amdescr = (char *)alsanam; + data.pacard.index = card->index; + + pa_log_debug ("Sound card zone: %s", data.zone); + pa_log_debug ("Sound card stamp: %d", data.stamp); + pa_log_debug ("PulseAudio card name: %s", cnam); + pa_log_debug ("PulseAudio short card name: %s", cid); + pa_log_debug ("ALSA card name: %s", alsanam); + if (udd) + pa_log_debug ("ALSA card detected by udev: %s", udd); + + /* WITH THE TIZEN MODULE, ONLY UDEV-MANAGED CARDS ARE ACCEPTED + * NO MATTER, TREAT STATIC CARDS THE SAME WAY HERE.. */ + /*if (!udd || (udd && !pa_streq(udd, "1")) + pa_log_debug ("Card not accepted, not managed by udev\n");*/ + + handle_alsa_card_sinks_and_sources (u, card, &data, cid); +} + ; +static void handle_alsa_card_sinks_and_sources (struct userdata *u, pa_card *card, agl_node *data, const char *cardid) +{ + pa_discover *discover; /* discovery restrictions (max channels...) */ + pa_card_profile *prof; + void *state; + char *sinks[MAX_CARD_TARGET+1]; /* discovered sinks array */ + char *sources[MAX_CARD_TARGET+1]; /* discovered sources array */ + char namebuf[MAX_NAME_LENGTH+1]; /* discovered sink/source name buf.*/ + const char *alsanam; + char paname[MAX_NAME_LENGTH+1]; + char amname[MAX_NAME_LENGTH+1]; + int i, j, k; + + pa_assert (card); + pa_assert (card->profiles); + pa_assert_se (discover = u->discover); + + alsanam = pa_proplist_gets (card->proplist, "alsa.card_name"); + data->paname = paname; + data->amname = amname; + data->amdescr = (char *)alsanam; + data->pacard.index = card->index; + + PA_HASHMAP_FOREACH(prof, card->profiles, state) { + /* TODO : skip selected profile here */ + + /* skip profiles withoutqx sinks/sources */ + if (!prof->n_sinks && !prof->n_sources) + continue; + /* skip profiles with too few/many channels */ + if (prof->n_sinks && + (prof->max_sink_channels < discover->chmin || + prof->max_sink_channels > discover->chmax)) + continue; + if (prof->n_sources && + (prof->max_source_channels < discover->chmin || + prof->max_source_channels > discover->chmax)) + continue; + + /* VALID PROFILE, STORE IT */ + pa_log_debug ("Discovered valid profile: %s", prof->name); + data->pacard.profile = prof->name; + /* NOW FILLING SINKS/SOURCE ARRAYS WITH PROFILE DATA */ + get_sinks_and_sources_from_profile (prof, sinks, sources, namebuf, sizeof(namebuf)); + + /* OUTPUT DIRECTION, SINKS */ + data->direction = agl_output; + data->channels = prof->max_sink_channels; + for (i = 0; sinks[i]; i++) { + pa_log_debug ("Discovered valid sink #%s on card %s", sinks[i], cardid); + snprintf(paname, sizeof(paname), "alsa_output.%s.%s", cardid, sinks[i]); + handle_card_ports(u, data, card, prof); + } + + /* INPUT DIRECTION, SOURCES */ + data->direction = agl_input; + data->channels = prof->max_source_channels; + for (i = 0; sources[i]; i++) { + pa_log_debug ("Discovered valid source #%s on card %s", sources[i], cardid); + snprintf(paname, sizeof(paname), "alsa_input.%s.%s", cardid, sinks[i]); + handle_card_ports(u, data, card, prof); + } + } +} + +static void get_sinks_and_sources_from_profile (pa_card_profile *prof, char **sinks, char **sources, char *buf, int buflen) +{ + char *p = buf; + int i = 0; + int j = 0; + + pa_assert (prof->name); + + strncpy (buf, prof->name, (size_t)buflen); + buf[buflen-1] = '\0'; + + memset (sinks, 0, sizeof(char *) * (MAX_CARD_TARGET+1)); + memset (sources, 0, sizeof(char *) * (MAX_CARD_TARGET+1)); + + do { + if (!strncmp (p, "output:", 7)) { + if (i >= MAX_CARD_TARGET) { + pa_log_debug ("number of outputs exeeds the maximum %d in " + "profile name '%s'", MAX_CARD_TARGET, prof->name); + return; + } + sinks[i++] = get_sink_or_source_from_str (&p, 7); + } else if (!strncmp (p, "input:", 6)) { + if (j >= MAX_CARD_TARGET) { + pa_log_debug ("number of inputs exeeds the maximum %d in " + "profile name '%s'", MAX_CARD_TARGET, prof->name); + return; + } + sources[j++] = get_sink_or_source_from_str (&p, 6); + } else { + pa_log ("%s: failed to parse profile name '%s'", + __FILE__, prof->name); + return; + } + } while (*p); +} + +static char *get_sink_or_source_from_str (char **string_ptr, int offs) +{ + char c, *name, *end; + + name = *string_ptr + offs; + + for (end = name; (c = *end); end++) { + if (c == '+') { + *end++ = '\0'; + break; + } + } + + *string_ptr = end; + + return name; +} + +static void handle_card_ports (struct userdata *u, agl_node *data, pa_card *card, pa_card_profile *prof) { + agl_node *node = NULL; + pa_device_port *port; + void *state; + bool created; + bool have_ports = false; + char key[MAX_NAME_LENGTH+1]; + const char *amname = data->amname; + + pa_assert (u); + pa_assert (data); + pa_assert (card); + pa_assert (prof); + + if (card->ports) { + PA_HASHMAP_FOREACH (port, card->ports, state) { + if (port->profiles && + pa_hashmap_get (port->profiles, prof->name) && + ((port->direction == PA_DIRECTION_INPUT && data->direction == agl_input)|| + (port->direction == PA_DIRECTION_OUTPUT && data->direction == agl_output))) { + have_ports = true; + snprintf (key, sizeof(key), "%s@%s", data->paname, port->name); + + data->key = key; + data->available = (port->available != PA_AVAILABLE_NO); + data->type = 0; + data->amname = amname; + data->paport = port->name; + + printf ("Key : %s\n", key); + + /* this is needed to fill the "port->type" field */ + //pa_classify_node_by_card (data, card, prof, port); + + /* this is needed to complete the "pa_discover_add_sink" first pass */ + node = create_node (u, data, &created); + } + } + } + + amname = ""; + data->amname = amname; +} + +static const char *node_key (struct userdata *u, agl_direction direction, + void *data, pa_device_port *port, char *buf, size_t len) { + char *type; /* "sink" or "source" */ + const char *name; /* sink or source name */ + pa_card *card; + pa_card_profile *profile; + const char *profile_name; + const char *bus; + char *key = NULL; + + pa_assert (u); + pa_assert (data); + pa_assert (buf); + pa_assert (direction == agl_input || direction == agl_output); + + if (direction == agl_output) { + pa_sink *sink = data; + type = pa_xstrdup ("sink"); + name = pa_utils_get_sink_name (sink); + card = sink->card; + if (!port) + port = sink->active_port; + } else { + pa_source *source = data; + type = pa_xstrdup ("source"); + name = pa_utils_get_source_name (source); + card = source->card; + if (!port) + port = source->active_port; + } + + pa_log_debug ("Node type (sink/source): %s", type); + pa_log_debug ("Node name: %s", name); + + if (!card) + return NULL; + + pa_assert_se (profile = card->active_profile); + if (!u->state.profile) { + pa_log_debug ("profile is now '%s'", profile->name); + profile_name = profile->name; + } else { + pa_log_debug ("state.profile is not null. '%s' supresses '%s'", + u->state.profile, profile->name); + profile_name = u->state.profile; + } + + if (!(bus = pa_utils_get_card_bus (card))) { + pa_log_debug ("ignoring card '%s' due to lack of '%s' property", + pa_utils_get_card_name (card), PA_PROP_DEVICE_BUS); + return NULL; + } + + if (pa_streq(bus, "pci") || pa_streq(bus, "usb") || pa_streq(bus, "platform")) { + if (!port) + key = (char *)name; + else { + key = buf; + snprintf (buf, len, "%s@%s", name, port->name); + } + } + /* we do not handle Bluetooth yet, and the function never returns it */ + /*else if (pa_streq(bus, "bluetooth")) { + }*/ + + return (const char *)key; +} + +agl_node *pa_discover_find_node_by_key (struct userdata *u, const char *key) +{ + pa_discover *discover; + agl_node *node; + + pa_assert (u); + pa_assert_se (discover = u->discover); + + if (key) + node = pa_hashmap_get (discover->nodes.byname, key); + else + node = NULL; + + return node; +} + +void pa_discover_add_node_to_ptr_hash (struct userdata *u, void *ptr, agl_node *node) +{ + pa_discover *discover; + + pa_assert (u); + pa_assert (ptr); + pa_assert (node); + pa_assert_se (discover = u->discover); + + pa_hashmap_put (discover->nodes.byptr, ptr, node); +} + +static agl_node *create_node (struct userdata *u, agl_node *data, bool *created_ret) +{ + pa_discover *discover; + agl_node *node; + bool created; + + pa_assert (u); + pa_assert (data); + pa_assert (data->key); + pa_assert (data->paname); + pa_assert_se (discover = u->discover); + + if ((node = pa_hashmap_get (discover->nodes.byname, data->key))) { + pa_log_debug ("No need to create this node"); + created = false; + } else { + pa_log_debug ("Creating new node"); + + node = agl_node_create (u, data); + pa_hashmap_put (discover->nodes.byname, node->key, node); + + /* TODO: registering the new node to the Optional router daemon */ + /* if (node->available) + pa_audiomgr_register_node (u, node); */ + + created = true; + } + + if (created_ret) + *created_ret = created; + + return node; +} + +void pa_discover_add_source (struct userdata *u, pa_source *source) +{ + static pa_nodeset_resdef def_resdef = {0, {0, 0}}; + + pa_core *core; + pa_discover *discover; + pa_module *module; + pa_card *card; + const char *key; + char kbf[256]; + agl_node *node; + + pa_assert (u); + pa_assert (source); + pa_assert_se (core = u->core); + pa_assert_se (discover = u->discover); + + module = source->module; + card = source->card; + + if (card) { + /* helper function verifying that sink direction is input/output */ + key = node_key (u, agl_input, source, NULL, kbf, sizeof(kbf)); + if (!key) return; + pa_log_debug ("Source key: %s", key); + node = pa_discover_find_node_by_key (u, key); + if (!node) { /* VERIFY IF THIS WORKS */ + if (u->state.profile) + pa_log_debug ("can't find node for source (key '%s')", key); + else { /* how do we get here ? not in initial setup */ + u->state.source = source->index; + pa_log_debug ("BUG !"); + } + return; + } + pa_log_debug("node for '%s' found (key %s). Updating with source data", + node->paname, node->key); + node->paidx = source->index; + node->available = true; + pa_discover_add_node_to_ptr_hash (u, source, node); + } +} + +bool pa_discover_preroute_sink_input(struct userdata *u, pa_sink_input_new_data *data) +{ + pa_core *core; + pa_sink *sink; + pa_source *source; + pa_discover *discover; + pa_nodeset *nodeset; + pa_proplist *pl; + agl_node *node; + + pa_assert (u); + pa_assert (data); + pa_assert_se (core = u->core); + pa_assert_se (discover = u->discover); + pa_assert_se (nodeset = u->nodeset); + pa_assert_se (pl = data->proplist); + + /* is there an existing matching node ? */ + node = agl_node_get_from_data (u, agl_input, data); + + if (!node) { + /* create node */ + node = agl_node_create (u, NULL); + node->direction = agl_input; + node->implement = agl_stream; + node->type = pa_classify_guess_stream_node_type (u, pl); + node->visible = true; + node->available = true; + node->ignore = true; /* gets ignored initially */ + node->paname = pa_proplist_gets (pl, PA_PROP_APPLICATION_NAME); + node->client = data->client; + /* add to global nodeset */ + pa_idxset_put (nodeset->nodes, node, &node->index); + } + + /* create NULL sink */ + if (!node->nullsink) + node->nullsink = pa_utils_create_null_sink (u, u->nsnam); + if (!node->nullsink) + return false; + + /* redirect sink input to NULL sink */ + sink = pa_utils_get_null_sink (u, node->nullsink); + + if (pa_sink_input_new_data_set_sink (data, sink, false)) + pa_log_debug ("set sink %u for new sink-input", sink->index); + else + pa_log ("can't set sink %u for new sink-input", sink->index); + + return true; +} + +void pa_discover_register_sink_input (struct userdata *u, pa_sink_input *sinp) +{ + pa_core *core; + pa_discover *discover; + pa_proplist *pl, *client_proplist; + const char *media; + const char *name; + const char *role; + agl_node_type type; + agl_node node_data, *node; + char key[256]; + pa_sink *sink; + + pa_assert (u); + pa_assert (sinp); + pa_assert_se (core = u->core); + pa_assert_se (discover = u->discover); + pa_assert_se (pl = sinp->proplist); + + media = pa_proplist_gets (sinp->proplist, PA_PROP_MEDIA_NAME); + if (media) { + /* special treatment for combine/loopback streams */ + pa_log_debug ("Stream may me combine/loopback, in this case we should ignore it, but use it for now"); + /* return; */ + } + + name = pa_utils_get_sink_input_name (sinp); + client_proplist = sinp->client ? sinp->client->proplist : NULL; + + pa_log_debug ("registering input stream '%s'", name); + + /* we could autodetect sink type by using: + * - PA_PROP_APPLICATION_PROCESS_ID; + * - PA_PROP_APPLICATION_PROCESS_BINARY; + * - PA_PROP_APPLICATION_NAME; + * - ... + but let us assume "agl_player" for now */ + type = agl_player; + + /* this sets our routing properties on the sink, which are : + * #define PA_PROP_ROUTING_CLASS_NAME "routing.class.name" + * #define PA_PROP_ROUTING_CLASS_ID "routing.class.id" + * #define PA_PROP_ROUTING_METHOD "routing.method" */ + pa_utils_set_stream_routing_properties (pl, type, NULL); + + /* we now create a new node for this sink */ + memset (&node_data, 0, sizeof(node_data)); + node_data.key = key; + node_data.direction = agl_input; + node_data.implement = agl_stream; + node_data.channels = sinp->channel_map.channels; + node_data.type = type; + node_data.zone = pa_utils_get_zone (sinp->proplist, client_proplist); + node_data.visible = true; + node_data.available = true; + node_data.amname = pa_proplist_gets (pl, "resource.set.appid"); + node_data.amdescr = pa_proplist_gets (pl, PA_PROP_MEDIA_NAME); + node_data.amid = AM_ID_INVALID; + node_data.paname = (char *)name; + node_data.paidx = sinp->index; + /*node_data.rset.id = pa_utils_get_rsetid (pl, idbuf, sizeof(idbuf));*/ + + role = pa_proplist_gets (sinp->proplist, PA_PROP_MEDIA_ROLE); + /* MAIN PREROUTING DONE HERE ! (this was failing in the samples) */ + /*sink = mir_router_make_prerouting (u, &data, &sinp->channel_map, role, &target);*/ + + node = create_node (u, &node_data, NULL); + pa_assert (node); + pa_discover_add_node_to_ptr_hash (u, sinp, node); +/* + if (sink && target) { + pa_log_debug ("move stream to sink %u (%s)", sink->index, sink->name); + + if (pa_sink_input_move_to (sinp, sink, false) < 0) + pa_log ("failed to route '%s' => '%s'",node->amname,target->amname); + else + pa_audiomgr_add_default_route (u, node, target); + }*/ +} + +void pa_discover_register_source_output (struct userdata *u, pa_source_output *sout) +{ + pa_core *core; + pa_discover *discover; + pa_proplist *pl, *client_proplist; + const char *media; + const char *name; + const char *role; + agl_node_type type; + agl_node node_data, *node; + char key[256]; + pa_source *source; + + pa_assert (u); + pa_assert (sout); + pa_assert_se (core = u->core); + pa_assert_se (discover = u->discover); + pa_assert_se (pl = sout->proplist); + + media = pa_proplist_gets (sout->proplist, PA_PROP_MEDIA_NAME); + if (media) { + /* special treatment for loopback streams (not combine as with sinks !) */ + pa_log_debug ("Stream may me loopback, in this case we should ignore it, but use it for now"); + /* return; */ + } + + /* TODO : contrary to "pa_discover_register_sink_input", this function is always called + * even if we do not find PA_PROP_MEDIA_NAME (see above). */ + //pa_utils_set_stream_routing_properties (pl, type, NULL); + + name = pa_utils_get_source_output_name (sout); + client_proplist = sout->client ? sout->client->proplist : NULL; + + pa_log_debug("registering output stream '%s'", name); +} + +void pa_discover_add_sink_input (struct userdata *u, pa_sink_input *sinp) +{ + pa_core *core; + agl_node *node; + + pa_assert (u); + pa_assert (sinp); + pa_assert_se (core = u->core); + + if (!sinp->client) + return; + + /* is there an existing matching node ? */ + node = agl_node_get_from_client (u, sinp->client); + if (!node) return; + + /* start the default routing */ + implement_default_route (u, node, NULL, pa_utils_new_stamp ()); +} -- cgit 1.2.3-korg