/* PipeWire * * Copyright © 2020 Wim Taymans * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "config.h" #include #include #include #include #include #include #include #include "log.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pulse-server.h" #include "client.h" #include "collect.h" #include "commands.h" #include "cmd.h" #include "dbus-name.h" #include "defs.h" #include "extension.h" #include "format.h" #include "internal.h" #include "manager.h" #include "message.h" #include "message-handler.h" #include "module.h" #include "operation.h" #include "pending-sample.h" #include "quirks.h" #include "reply.h" #include "sample.h" #include "sample-play.h" #include "server.h" #include "stream.h" #include "utils.h" #include "volume.h" #define DEFAULT_MIN_REQ "256/48000" #define DEFAULT_DEFAULT_REQ "960/48000" #define DEFAULT_MIN_FRAG "256/48000" #define DEFAULT_DEFAULT_FRAG "96000/48000" #define DEFAULT_DEFAULT_TLENGTH "96000/48000" #define DEFAULT_MIN_QUANTUM "256/48000" #define DEFAULT_FORMAT "F32" #define DEFAULT_POSITION "[ FL FR ]" #define DEFAULT_IDLE_TIMEOUT "0" #define MAX_FORMATS 32 /* The max amount of data we send in one block when capturing. In PulseAudio this * size is derived from the mempool PA_MEMPOOL_SLOT_SIZE */ #define MAX_BLOCK (64*1024) #define TEMPORARY_MOVE_TIMEOUT (SPA_NSEC_PER_SEC) PW_LOG_TOPIC_EXTERN(pulse_conn); bool debug_messages = false; struct latency_offset_data { int64_t prev_latency_offset; uint8_t initialized:1; }; struct temporary_move_data { uint32_t peer_index; uint8_t used:1; }; static struct sample *find_sample(struct impl *impl, uint32_t index, const char *name) { union pw_map_item *item; if (index != SPA_ID_INVALID) return pw_map_lookup(&impl->samples, index); pw_array_for_each(item, &impl->samples.items) { struct sample *s = item->data; if (!pw_map_item_is_free(item) && spa_streq(s->name, name)) return s; } return NULL; } void broadcast_subscribe_event(struct impl *impl, uint32_t mask, uint32_t event, uint32_t index) { struct server *s; spa_list_for_each(s, &impl->servers, link) { struct client *c; spa_list_for_each(c, &s->clients, link) client_queue_subscribe_event(c, mask, event, index); } } static int do_command_auth(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct message *reply; uint32_t version; const void *cookie; size_t len; if (message_get(m, TAG_U32, &version, TAG_ARBITRARY, &cookie, &len, TAG_INVALID) < 0) { return -EPROTO; } if (version < 8) return -EPROTO; if (len != NATIVE_COOKIE_LENGTH) return -EINVAL; if ((version & PROTOCOL_VERSION_MASK) >= 13) version &= PROTOCOL_VERSION_MASK; client->version = version; client->authenticated = true; pw_log_info("client:%p AUTH tag:%u version:%d", client, tag, version); reply = reply_new(client, tag); message_put(reply, TAG_U32, PROTOCOL_VERSION, TAG_INVALID); return client_queue_message(client, reply); } static int reply_set_client_name(struct client *client, uint32_t tag) { struct pw_manager *manager = client->manager; struct message *reply; struct pw_client *c; uint32_t id, index; c = pw_core_get_client(client->core); if (c == NULL) return -ENOENT; id = pw_proxy_get_bound_id((struct pw_proxy*)c); index = id_to_index(manager, id); pw_log_info("[%s] reply tag:%u id:%u index:%u", client->name, tag, id, index); reply = reply_new(client, tag); if (client->version >= 13) { message_put(reply, TAG_U32, index, /* client index */ TAG_INVALID); } return client_queue_message(client, reply); } static void manager_sync(void *data) { struct client *client = data; struct operation *o; pw_log_debug("%p: manager sync", client); if (client->connect_tag != SPA_ID_INVALID) { reply_set_client_name(client, client->connect_tag); client->connect_tag = SPA_ID_INVALID; } client->ref++; spa_list_consume(o, &client->operations, link) operation_complete(o); client_unref(client); } static struct stream *find_stream(struct client *client, uint32_t index) { union pw_map_item *item; pw_array_for_each(item, &client->streams.items) { struct stream *s = item->data; if (!pw_map_item_is_free(item) && s->index == index) return s; } return NULL; } static int send_object_event(struct client *client, struct pw_manager_object *o, uint32_t type) { uint32_t event = 0, mask = 0, res_index = o->index; if (pw_manager_object_is_sink(o)) { client_queue_subscribe_event(client, SUBSCRIPTION_MASK_SINK, SUBSCRIPTION_EVENT_SINK | type, res_index); } if (pw_manager_object_is_source_or_monitor(o)) { mask = SUBSCRIPTION_MASK_SOURCE; event = SUBSCRIPTION_EVENT_SOURCE; } else if (pw_manager_object_is_sink_input(o)) { mask = SUBSCRIPTION_MASK_SINK_INPUT; event = SUBSCRIPTION_EVENT_SINK_INPUT; } else if (pw_manager_object_is_source_output(o)) { mask = SUBSCRIPTION_MASK_SOURCE_OUTPUT; event = SUBSCRIPTION_EVENT_SOURCE_OUTPUT; } else if (pw_manager_object_is_module(o)) { mask = SUBSCRIPTION_MASK_MODULE; event = SUBSCRIPTION_EVENT_MODULE; } else if (pw_manager_object_is_client(o)) { mask = SUBSCRIPTION_MASK_CLIENT; event = SUBSCRIPTION_EVENT_CLIENT; } else if (pw_manager_object_is_card(o)) { mask = SUBSCRIPTION_MASK_CARD; event = SUBSCRIPTION_EVENT_CARD; } else event = SPA_ID_INVALID; if (event != SPA_ID_INVALID) client_queue_subscribe_event(client, mask, event | type, res_index); return 0; } static uint32_t get_temporary_move_target(struct client *client, struct pw_manager_object *o) { struct temporary_move_data *d; d = pw_manager_object_get_data(o, "temporary_move_data"); if (d == NULL || d->peer_index == SPA_ID_INVALID) return SPA_ID_INVALID; pw_log_debug("[%s] using temporary move target for index:%d -> index:%d", client->name, o->index, d->peer_index); d->used = true; return d->peer_index; } static void set_temporary_move_target(struct client *client, struct pw_manager_object *o, uint32_t index) { struct temporary_move_data *d; if (!pw_manager_object_is_sink_input(o) && !pw_manager_object_is_source_output(o)) return; if (index == SPA_ID_INVALID) { d = pw_manager_object_get_data(o, "temporary_move_data"); if (d == NULL) return; if (d->peer_index != SPA_ID_INVALID) pw_log_debug("cleared temporary move target for index:%d", o->index); d->peer_index = SPA_ID_INVALID; d->used = false; return; } d = pw_manager_object_add_temporary_data(o, "temporary_move_data", sizeof(struct temporary_move_data), TEMPORARY_MOVE_TIMEOUT); if (d == NULL) return; pw_log_debug("[%s] set temporary move target for index:%d to index:%d", client->name, o->index, index); d->peer_index = index; d->used = false; } static void temporary_move_target_timeout(struct client *client, struct pw_manager_object *o) { struct temporary_move_data *d = pw_manager_object_get_data(o, "temporary_move_data"); struct pw_manager_object *peer; /* * Send change event if the temporary data was used, and the peer * is not what we claimed. */ if (d == NULL || d->peer_index == SPA_ID_INVALID || !d->used) goto done; peer = find_linked(client->manager, o->id, pw_manager_object_is_sink_input(o) ? PW_DIRECTION_OUTPUT : PW_DIRECTION_INPUT); if (peer == NULL || peer->index != d->peer_index) { pw_log_debug("[%s] temporary move timeout for index:%d, send change event", client->name, o->index); send_object_event(client, o, SUBSCRIPTION_EVENT_CHANGE); } done: set_temporary_move_target(client, o, SPA_ID_INVALID); } static struct pw_manager_object *find_device(struct client *client, uint32_t index, const char *name, bool sink, bool *is_monitor); static int64_t get_node_latency_offset(struct pw_manager_object *o) { int64_t latency_offset = 0LL; struct pw_manager_param *p; spa_list_for_each(p, &o->param_list, link) { if (p->id != SPA_PARAM_Props) continue; if (spa_pod_parse_object(p->param, SPA_TYPE_OBJECT_Props, NULL, SPA_PROP_latencyOffsetNsec, SPA_POD_Long(&latency_offset)) == 1) break; } return latency_offset; } static void send_latency_offset_subscribe_event(struct client *client, struct pw_manager_object *o) { struct pw_manager *manager = client->manager; struct latency_offset_data *d; struct pw_node_info *info; const char *str; uint32_t card_id = SPA_ID_INVALID; int64_t latency_offset = 0LL; bool changed = false; if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source_or_monitor(o)) return; /* * Pulseaudio sends card change events on latency offset change. */ if ((info = o->info) == NULL || info->props == NULL) return; if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if (card_id == SPA_ID_INVALID) return; d = pw_manager_object_add_data(o, "latency_offset_data", sizeof(struct latency_offset_data)); if (d == NULL) return; latency_offset = get_node_latency_offset(o); changed = (!d->initialized || latency_offset != d->prev_latency_offset); d->prev_latency_offset = latency_offset; d->initialized = true; if (changed) client_queue_subscribe_event(client, SUBSCRIPTION_MASK_CARD, SUBSCRIPTION_EVENT_CARD | SUBSCRIPTION_EVENT_CHANGE, id_to_index(manager, card_id)); } static void send_default_change_subscribe_event(struct client *client, bool sink, bool source) { struct pw_manager_object *def; bool changed = false; if (sink) { def = find_device(client, SPA_ID_INVALID, NULL, true, NULL); if (client->prev_default_sink != def) { client->prev_default_sink = def; changed = true; } } if (source) { def = find_device(client, SPA_ID_INVALID, NULL, false, NULL); if (client->prev_default_source != def) { client->prev_default_source = def; changed = true; } } if (changed) client_queue_subscribe_event(client, SUBSCRIPTION_MASK_SERVER, SUBSCRIPTION_EVENT_CHANGE | SUBSCRIPTION_EVENT_SERVER, -1); } static void handle_metadata(struct client *client, struct pw_manager_object *old, struct pw_manager_object *new, const char *name) { if (spa_streq(name, "default")) { if (client->metadata_default == old) client->metadata_default = new; } else if (spa_streq(name, "route-settings")) { if (client->metadata_routes == old) client->metadata_routes = new; } } static uint32_t frac_to_bytes_round_up(struct spa_fraction val, const struct sample_spec *ss) { uint64_t u; u = (uint64_t) (val.num * 1000000UL * (uint64_t) ss->rate) / val.denom; u = (u + 1000000UL - 1) / 1000000UL; u *= sample_spec_frame_size(ss); return (uint32_t) u; } static void clamp_latency(struct stream *s, struct spa_fraction *lat) { if (lat->num * s->min_quantum.denom / lat->denom < s->min_quantum.num) lat->num = (s->min_quantum.num * lat->denom + (s->min_quantum.denom -1)) / s->min_quantum.denom; } static uint64_t fix_playback_buffer_attr(struct stream *s, struct buffer_attr *attr, uint32_t rate, struct spa_fraction *lat) { uint32_t frame_size, max_prebuf, minreq, latency, max_latency, maxlength; struct defs *defs = &s->impl->defs; if ((frame_size = s->frame_size) == 0) frame_size = sample_spec_frame_size(&s->ss); if (frame_size == 0) frame_size = 4; maxlength = SPA_ROUND_DOWN(MAXLENGTH, frame_size); pw_log_info("[%s] maxlength:%u tlength:%u minreq:%u prebuf:%u max:%u", s->client->name, attr->maxlength, attr->tlength, attr->minreq, attr->prebuf, maxlength); minreq = frac_to_bytes_round_up(s->min_req, &s->ss); max_latency = defs->quantum_limit * frame_size; if (attr->maxlength == (uint32_t) -1 || attr->maxlength > maxlength) attr->maxlength = maxlength; else attr->maxlength = SPA_ROUND_DOWN(attr->maxlength, frame_size); minreq = SPA_MIN(minreq, attr->maxlength); if (attr->tlength == (uint32_t) -1) attr->tlength = frac_to_bytes_round_up(s->default_tlength, &s->ss); attr->tlength = SPA_CLAMP(attr->tlength, minreq, attr->maxlength); attr->tlength = SPA_ROUND_UP(attr->tlength, frame_size); if (attr->minreq == (uint32_t) -1) { uint32_t process = frac_to_bytes_round_up(s->default_req, &s->ss); /* With low-latency, tlength/4 gives a decent default in all of traditional, * adjust latency and early request modes. */ uint32_t m = attr->tlength / 4; m = SPA_ROUND_DOWN(m, frame_size); attr->minreq = SPA_MIN(process, m); } attr->minreq = SPA_MAX(attr->minreq, minreq); if (attr->tlength < attr->minreq+frame_size) attr->tlength = SPA_MIN(attr->minreq + frame_size, attr->maxlength); if (s->early_requests) { latency = attr->minreq; } else if (s->adjust_latency) { if (attr->tlength > attr->minreq * 2) latency = SPA_MIN(max_latency, (attr->tlength - attr->minreq * 2) / 2); else latency = attr->minreq; latency = SPA_ROUND_DOWN(latency, frame_size); if (attr->tlength >= latency) attr->tlength -= latency; } else { if (attr->tlength > attr->minreq * 2) latency = SPA_MIN(max_latency, attr->tlength - attr->minreq * 2); else latency = attr->minreq; } if (attr->tlength < latency + 2 * attr->minreq) attr->tlength = SPA_MIN(latency + 2 * attr->minreq, attr->maxlength); attr->minreq = SPA_ROUND_DOWN(attr->minreq, frame_size); if (attr->minreq <= 0) { attr->minreq = frame_size; attr->tlength += frame_size*2; } if (attr->tlength <= attr->minreq) attr->tlength = SPA_MIN(attr->minreq*2 + frame_size, attr->maxlength); max_prebuf = attr->tlength + frame_size - attr->minreq; if (attr->prebuf == (uint32_t) -1 || attr->prebuf > max_prebuf) attr->prebuf = max_prebuf; attr->prebuf = SPA_ROUND_DOWN(attr->prebuf, frame_size); attr->fragsize = 0; lat->num = latency / frame_size; lat->denom = rate; clamp_latency(s, lat); pw_log_info("[%s] maxlength:%u tlength:%u minreq:%u/%u prebuf:%u latency:%u/%u %u", s->client->name, attr->maxlength, attr->tlength, attr->minreq, minreq, attr->prebuf, lat->num, lat->denom, frame_size); return lat->num * SPA_USEC_PER_SEC / lat->denom; } static uint64_t set_playback_buffer_attr(struct stream *s, struct buffer_attr *attr) { struct spa_fraction lat; uint64_t lat_usec; struct spa_dict_item items[6]; char latency[32], rate[32]; char attr_maxlength[32]; char attr_tlength[32]; char attr_prebuf[32]; char attr_minreq[32]; lat_usec = fix_playback_buffer_attr(s, attr, s->ss.rate, &lat); s->attr = *attr; snprintf(latency, sizeof(latency), "%u/%u", lat.num, lat.denom); snprintf(rate, sizeof(rate), "1/%u", lat.denom); snprintf(attr_maxlength, sizeof(attr_maxlength), "%u", s->attr.maxlength); snprintf(attr_tlength, sizeof(attr_tlength), "%u", s->attr.tlength); snprintf(attr_prebuf, sizeof(attr_prebuf), "%u", s->attr.prebuf); snprintf(attr_minreq, sizeof(attr_minreq), "%u", s->attr.minreq); items[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency); items[1] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_RATE, rate); items[2] = SPA_DICT_ITEM_INIT("pulse.attr.maxlength", attr_maxlength); items[3] = SPA_DICT_ITEM_INIT("pulse.attr.tlength", attr_tlength); items[4] = SPA_DICT_ITEM_INIT("pulse.attr.prebuf", attr_prebuf); items[5] = SPA_DICT_ITEM_INIT("pulse.attr.minreq", attr_minreq); pw_stream_update_properties(s->stream, &SPA_DICT_INIT(items, 6)); if (s->attr.prebuf > 0) s->in_prebuf = true; return lat_usec; } static int reply_create_playback_stream(struct stream *stream, struct pw_manager_object *peer) { struct client *client = stream->client; struct pw_manager *manager = client->manager; struct message *reply; uint32_t missing, peer_index; const char *peer_name; uint64_t lat_usec; stream->buffer = calloc(1, MAXLENGTH); if (stream->buffer == NULL) return -errno; lat_usec = set_playback_buffer_attr(stream, &stream->attr); missing = stream_pop_missing(stream); stream->index = id_to_index(manager, stream->id); stream->lat_usec = lat_usec; pw_log_info("[%s] reply CREATE_PLAYBACK_STREAM tag:%u index:%u missing:%u lat:%"PRIu64, client->name, stream->create_tag, stream->index, missing, lat_usec); reply = reply_new(client, stream->create_tag); message_put(reply, TAG_U32, stream->channel, /* stream index/channel */ TAG_U32, stream->index, /* sink_input/stream index */ TAG_U32, missing, /* missing/requested bytes */ TAG_INVALID); if (peer && pw_manager_object_is_sink(peer)) { peer_index = peer->index; peer_name = pw_properties_get(peer->props, PW_KEY_NODE_NAME); } else { peer_index = SPA_ID_INVALID; peer_name = NULL; } if (client->version >= 9) { message_put(reply, TAG_U32, stream->attr.maxlength, TAG_U32, stream->attr.tlength, TAG_U32, stream->attr.prebuf, TAG_U32, stream->attr.minreq, TAG_INVALID); } if (client->version >= 12) { message_put(reply, TAG_SAMPLE_SPEC, &stream->ss, TAG_CHANNEL_MAP, &stream->map, TAG_U32, peer_index, /* sink index */ TAG_STRING, peer_name, /* sink name */ TAG_BOOLEAN, false, /* sink suspended state */ TAG_INVALID); } if (client->version >= 13) { message_put(reply, TAG_USEC, lat_usec, /* sink configured latency */ TAG_INVALID); } if (client->version >= 21) { struct format_info info; spa_zero(info); info.encoding = ENCODING_PCM; message_put(reply, TAG_FORMAT_INFO, &info, /* sink_input format */ TAG_INVALID); } stream->create_tag = SPA_ID_INVALID; return client_queue_message(client, reply); } static uint64_t fix_record_buffer_attr(struct stream *s, struct buffer_attr *attr, uint32_t rate, struct spa_fraction *lat) { uint32_t frame_size, minfrag, latency, maxlength; if ((frame_size = s->frame_size) == 0) frame_size = sample_spec_frame_size(&s->ss); if (frame_size == 0) frame_size = 4; maxlength = SPA_ROUND_DOWN(MAXLENGTH, frame_size); pw_log_info("[%s] maxlength:%u fragsize:%u framesize:%u", s->client->name, attr->maxlength, attr->fragsize, frame_size); if (attr->maxlength == (uint32_t) -1 || attr->maxlength > maxlength) attr->maxlength = maxlength; else attr->maxlength = SPA_ROUND_DOWN(attr->maxlength, frame_size); attr->maxlength = SPA_MAX(attr->maxlength, frame_size); minfrag = frac_to_bytes_round_up(s->min_frag, &s->ss); if (attr->fragsize == (uint32_t) -1 || attr->fragsize == 0) attr->fragsize = frac_to_bytes_round_up(s->default_frag, &s->ss); attr->fragsize = SPA_CLAMP(attr->fragsize, minfrag, attr->maxlength); attr->fragsize = SPA_ROUND_UP(attr->fragsize, frame_size); attr->tlength = attr->minreq = attr->prebuf = 0; /* make sure we can queue at least to fragsize without overruns */ if (attr->maxlength < attr->fragsize * 4) { attr->maxlength = attr->fragsize * 4; if (attr->maxlength > maxlength) { attr->maxlength = maxlength; attr->fragsize = SPA_ROUND_DOWN(maxlength / 4, frame_size); } } latency = attr->fragsize; lat->num = latency / frame_size; lat->denom = rate; clamp_latency(s, lat); pw_log_info("[%s] maxlength:%u fragsize:%u minfrag:%u latency:%u/%u", s->client->name, attr->maxlength, attr->fragsize, minfrag, lat->num, lat->denom); return lat->num * SPA_USEC_PER_SEC / lat->denom; } static uint64_t set_record_buffer_attr(struct stream *s, struct buffer_attr *attr) { struct spa_dict_item items[4]; char latency[32], rate[32]; char attr_maxlength[32]; char attr_fragsize[32]; struct spa_fraction lat; uint64_t lat_usec; lat_usec = fix_record_buffer_attr(s, attr, s->ss.rate, &lat); s->attr = *attr; snprintf(latency, sizeof(latency), "%u/%u", lat.num, lat.denom); snprintf(rate, sizeof(rate), "1/%u", lat.denom); snprintf(attr_maxlength, sizeof(attr_maxlength), "%u", s->attr.maxlength); snprintf(attr_fragsize, sizeof(attr_fragsize), "%u", s->attr.fragsize); items[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency); items[1] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_RATE, rate); items[2] = SPA_DICT_ITEM_INIT("pulse.attr.maxlength", attr_maxlength); items[3] = SPA_DICT_ITEM_INIT("pulse.attr.fragsize", attr_fragsize); pw_stream_update_properties(s->stream, &SPA_DICT_INIT(items, 4)); return lat_usec; } static int reply_create_record_stream(struct stream *stream, struct pw_manager_object *peer) { struct client *client = stream->client; struct pw_manager *manager = client->manager; char *tmp; struct message *reply; const char *peer_name, *name; uint32_t peer_index; uint64_t lat_usec; stream->buffer = calloc(1, MAXLENGTH); if (stream->buffer == NULL) return -errno; lat_usec = set_record_buffer_attr(stream, &stream->attr); stream->index = id_to_index(manager, stream->id); stream->lat_usec = lat_usec; pw_log_info("[%s] reply CREATE_RECORD_STREAM tag:%u index:%u latency:%"PRIu64, client->name, stream->create_tag, stream->index, lat_usec); reply = reply_new(client, stream->create_tag); message_put(reply, TAG_U32, stream->channel, /* stream index/channel */ TAG_U32, stream->index, /* source_output/stream index */ TAG_INVALID); if (peer && pw_manager_object_is_sink_input(peer)) peer = find_linked(manager, peer->id, PW_DIRECTION_OUTPUT); if (peer && pw_manager_object_is_source_or_monitor(peer)) { name = pw_properties_get(peer->props, PW_KEY_NODE_NAME); peer_index = peer->index; if (!pw_manager_object_is_source(peer)) { size_t len = (name ? strlen(name) : 5) + 10; peer_name = tmp = alloca(len); snprintf(tmp, len, "%s.monitor", name ? name : "sink"); } else { peer_name = name; } } else { peer_index = SPA_ID_INVALID; peer_name = NULL; } if (client->version >= 9) { message_put(reply, TAG_U32, stream->attr.maxlength, TAG_U32, stream->attr.fragsize, TAG_INVALID); } if (client->version >= 12) { message_put(reply, TAG_SAMPLE_SPEC, &stream->ss, TAG_CHANNEL_MAP, &stream->map, TAG_U32, peer_index, /* source index */ TAG_STRING, peer_name, /* source name */ TAG_BOOLEAN, false, /* source suspended state */ TAG_INVALID); } if (client->version >= 13) { message_put(reply, TAG_USEC, lat_usec, /* source configured latency */ TAG_INVALID); } if (client->version >= 22) { struct format_info info; spa_zero(info); info.encoding = ENCODING_PCM; message_put(reply, TAG_FORMAT_INFO, &info, /* source_output format */ TAG_INVALID); } stream->create_tag = SPA_ID_INVALID; return client_queue_message(client, reply); } static int reply_create_stream(struct stream *stream, struct pw_manager_object *peer) { stream->peer_index = peer->index; return stream->direction == PW_DIRECTION_OUTPUT ? reply_create_playback_stream(stream, peer) : reply_create_record_stream(stream, peer); } static void manager_added(void *data, struct pw_manager_object *o) { struct client *client = data; struct pw_manager *manager = client->manager; const char *str; register_object_message_handlers(o); if (strcmp(o->type, PW_TYPE_INTERFACE_Core) == 0 && manager->info != NULL) { struct pw_core_info *info = manager->info; if (info->props) { if ((str = spa_dict_lookup(info->props, "default.clock.rate")) != NULL) client->impl->defs.sample_spec.rate = atoi(str); if ((str = spa_dict_lookup(info->props, "default.clock.quantum-limit")) != NULL) client->impl->defs.quantum_limit = atoi(str); } } if (spa_streq(o->type, PW_TYPE_INTERFACE_Metadata)) { if (o->props != NULL && (str = pw_properties_get(o->props, PW_KEY_METADATA_NAME)) != NULL) handle_metadata(client, NULL, o, str); } if (spa_streq(o->type, PW_TYPE_INTERFACE_Link)) { struct stream *s, *t; struct pw_manager_object *peer = NULL; union pw_map_item *item; pw_array_for_each(item, &client->streams.items) { struct stream *s = item->data; const char *peer_name; if (pw_map_item_is_free(item) || s->pending) continue; if (s->peer_index == SPA_ID_INVALID) continue; peer = find_peer_for_link(manager, o, s->id, s->direction); if (peer == NULL || peer->props == NULL || peer->index == s->peer_index) continue; s->peer_index = peer->index; peer_name = pw_properties_get(peer->props, PW_KEY_NODE_NAME); if (peer_name && s->direction == PW_DIRECTION_INPUT && pw_manager_object_is_monitor(peer)) { int len = strlen(peer_name) + 10; char *tmp = alloca(len); snprintf(tmp, len, "%s.monitor", peer_name); peer_name = tmp; } if (peer_name != NULL) stream_send_moved(s, peer->index, peer_name); } spa_list_for_each_safe(s, t, &client->pending_streams, link) { peer = find_peer_for_link(manager, o, s->id, s->direction); if (peer) { reply_create_stream(s, peer); spa_list_remove(&s->link); s->pending = false; } } } send_object_event(client, o, SUBSCRIPTION_EVENT_NEW); /* Adding sinks etc. may also change defaults */ send_default_change_subscribe_event(client, pw_manager_object_is_sink(o), pw_manager_object_is_source_or_monitor(o)); } static void manager_updated(void *data, struct pw_manager_object *o) { struct client *client = data; send_object_event(client, o, SUBSCRIPTION_EVENT_CHANGE); set_temporary_move_target(client, o, SPA_ID_INVALID); send_latency_offset_subscribe_event(client, o); send_default_change_subscribe_event(client, pw_manager_object_is_sink(o), pw_manager_object_is_source_or_monitor(o)); } static void manager_removed(void *data, struct pw_manager_object *o) { struct client *client = data; const char *str; send_object_event(client, o, SUBSCRIPTION_EVENT_REMOVE); send_default_change_subscribe_event(client, pw_manager_object_is_sink(o), pw_manager_object_is_source_or_monitor(o)); if (spa_streq(o->type, PW_TYPE_INTERFACE_Metadata)) { if (o->props != NULL && (str = pw_properties_get(o->props, PW_KEY_METADATA_NAME)) != NULL) handle_metadata(client, o, NULL, str); } } static void manager_object_data_timeout(void *data, struct pw_manager_object *o, const char *key) { struct client *client = data; if (spa_streq(key, "temporary_move_data")) temporary_move_target_timeout(client, o); } static int json_object_find(const char *obj, const char *key, char *value, size_t len) { struct spa_json it[2]; const char *v; char k[128]; spa_json_init(&it[0], obj, strlen(obj)); if (spa_json_enter_object(&it[0], &it[1]) <= 0) return -EINVAL; while (spa_json_get_string(&it[1], k, sizeof(k)) > 0) { if (spa_streq(k, key)) { if (spa_json_get_string(&it[1], value, len) <= 0) continue; return 0; } else { if (spa_json_next(&it[1], &v) <= 0) break; } } return -ENOENT; } static void manager_metadata(void *data, struct pw_manager_object *o, uint32_t subject, const char *key, const char *type, const char *value) { struct client *client = data; bool changed = false; pw_log_debug("meta id:%d subject:%d key:%s type:%s value:%s", o->id, subject, key, type, value); if (subject == PW_ID_CORE && o == client->metadata_default) { char name[1024]; if (key == NULL || spa_streq(key, "default.audio.sink")) { if (value != NULL) { if (json_object_find(value, "name", name, sizeof(name)) < 0) value = NULL; else value = name; } if ((changed = !spa_streq(client->default_sink, value))) { free(client->default_sink); client->default_sink = value ? strdup(value) : NULL; } free(client->temporary_default_sink); client->temporary_default_sink = NULL; } if (key == NULL || spa_streq(key, "default.audio.source")) { if (value != NULL) { if (json_object_find(value, "name", name, sizeof(name)) < 0) value = NULL; else value = name; } if ((changed = !spa_streq(client->default_source, value))) { free(client->default_source); client->default_source = value ? strdup(value) : NULL; } free(client->temporary_default_source); client->temporary_default_source = NULL; } if (changed) send_default_change_subscribe_event(client, true, true); } if (subject == PW_ID_CORE && o == client->metadata_routes) { if (key == NULL) pw_properties_clear(client->routes); else pw_properties_set(client->routes, key, value); } } static void do_free_client(void *obj, void *data, int res, uint32_t id) { struct client *client = obj; client_free(client); } static void manager_disconnect(void *data) { struct client *client = data; pw_log_debug("manager_disconnect()"); pw_work_queue_add(client->impl->work_queue, client, 0, do_free_client, NULL); } static const struct pw_manager_events manager_events = { PW_VERSION_MANAGER_EVENTS, .sync = manager_sync, .added = manager_added, .updated = manager_updated, .removed = manager_removed, .metadata = manager_metadata, .disconnect = manager_disconnect, .object_data_timeout = manager_object_data_timeout, }; static int do_set_client_name(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; const char *name = NULL; int res = 0, changed = 0; if (client->version < 13) { if (message_get(m, TAG_STRING, &name, TAG_INVALID) < 0) return -EPROTO; if (name) changed += pw_properties_set(client->props, PW_KEY_APP_NAME, name); } else { if (message_get(m, TAG_PROPLIST, client->props, TAG_INVALID) < 0) return -EPROTO; changed++; } client_update_quirks(client); client->name = pw_properties_get(client->props, PW_KEY_APP_NAME); pw_log_info("[%s] %s tag:%d", client->name, commands[command].name, tag); if (client->core == NULL) { client->core = pw_context_connect(impl->context, pw_properties_copy(client->props), 0); if (client->core == NULL) { res = -errno; goto error; } client->manager = pw_manager_new(client->core); if (client->manager == NULL) { res = -errno; goto error; } client->connect_tag = tag; pw_manager_add_listener(client->manager, &client->manager_listener, &manager_events, client); } else { if (changed) pw_core_update_properties(client->core, &client->props->dict); if (client->connect_tag == SPA_ID_INVALID) res = reply_set_client_name(client, tag); } return res; error: pw_log_error("%p: failed to connect client: %s", impl, spa_strerror(res)); return res; } static int do_subscribe(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t mask; if (message_get(m, TAG_U32, &mask, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] SUBSCRIBE tag:%u mask:%08x", client->name, tag, mask); if (mask & ~SUBSCRIPTION_MASK_ALL) return -EINVAL; client->subscribed = mask; return reply_simple_ack(client, tag); } static void stream_control_info(void *data, uint32_t id, const struct pw_stream_control *control) { struct stream *stream = data; switch (id) { case SPA_PROP_channelVolumes: stream->volume.channels = control->n_values; memcpy(stream->volume.values, control->values, control->n_values * sizeof(float)); pw_log_info("stream %p: volume changed %f", stream, stream->volume.values[0]); break; case SPA_PROP_mute: stream->muted = control->values[0] >= 0.5; pw_log_info("stream %p: mute changed %d", stream, stream->muted); break; } } static void do_destroy_stream(void *obj, void *data, int res, uint32_t id) { struct stream *stream = obj; stream_free(stream); } static void stream_state_changed(void *data, enum pw_stream_state old, enum pw_stream_state state, const char *error) { struct stream *stream = data; struct client *client = stream->client; struct impl *impl = client->impl; bool destroy_stream = false; switch (state) { case PW_STREAM_STATE_ERROR: reply_error(client, -1, stream->create_tag, -EIO); destroy_stream = true; break; case PW_STREAM_STATE_UNCONNECTED: if (stream->create_tag != SPA_ID_INVALID) reply_error(client, -1, stream->create_tag, -ENOENT); else stream->killed = true; destroy_stream = true; break; case PW_STREAM_STATE_PAUSED: stream->id = pw_stream_get_node_id(stream->stream); break; case PW_STREAM_STATE_CONNECTING: case PW_STREAM_STATE_STREAMING: break; } if (destroy_stream) { pw_work_queue_add(impl->work_queue, stream, 0, do_destroy_stream, NULL); } } static const struct spa_pod *get_buffers_param(struct stream *s, struct buffer_attr *attr, struct spa_pod_builder *b) { const struct spa_pod *param; uint32_t blocks, buffers, size, maxsize, stride; struct defs *defs = &s->impl->defs; blocks = 1; stride = s->frame_size; maxsize = defs->quantum_limit * 32 * s->frame_size; if (s->direction == PW_DIRECTION_OUTPUT) { size = attr->minreq; } else { size = attr->fragsize; } buffers = SPA_CLAMP(maxsize / size, MIN_BUFFERS, MAX_BUFFERS); pw_log_info("[%s] stride %d maxsize %d size %u buffers %d", s->client->name, stride, maxsize, size, buffers); param = spa_pod_builder_add_object(b, SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers, SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(buffers, MIN_BUFFERS, MAX_BUFFERS), SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(blocks), SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int( size, size, maxsize), SPA_PARAM_BUFFERS_stride, SPA_POD_Int(stride)); return param; } static void stream_param_changed(void *data, uint32_t id, const struct spa_pod *param) { struct stream *stream = data; const struct spa_pod *params[4]; uint32_t n_params = 0; uint8_t buffer[4096]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); int res; if (id != SPA_PARAM_Format || param == NULL) return; if ((res = format_parse_param(param, false, &stream->ss, &stream->map, NULL, NULL)) < 0) { pw_stream_set_error(stream->stream, res, "format not supported"); return; } pw_log_info("[%s] got format:%s rate:%u channels:%u", stream->client->name, format_id2name(stream->ss.format), stream->ss.rate, stream->ss.channels); stream->frame_size = sample_spec_frame_size(&stream->ss); if (stream->frame_size == 0) { pw_stream_set_error(stream->stream, res, "format not supported"); return; } stream->rate = stream->ss.rate; if (stream->create_tag != SPA_ID_INVALID) { struct pw_manager_object *peer; if (stream->volume_set) { pw_stream_set_control(stream->stream, SPA_PROP_channelVolumes, stream->volume.channels, stream->volume.values, 0); } if (stream->muted_set) { float val = stream->muted ? 1.0f : 0.0f; pw_stream_set_control(stream->stream, SPA_PROP_mute, 1, &val, 0); } if (stream->corked) stream_set_paused(stream, true, "cork after create"); /* if peer exists, reply immediately, otherwise reply when the link is created */ peer = find_linked(stream->client->manager, stream->id, stream->direction); if (peer) { reply_create_stream(stream, peer); } else { spa_list_append(&stream->client->pending_streams, &stream->link); stream->pending = true; } } params[n_params++] = get_buffers_param(stream, &stream->attr, &b); pw_stream_update_params(stream->stream, params, n_params); } static void stream_io_changed(void *data, uint32_t id, void *area, uint32_t size) { struct stream *stream = data; switch (id) { case SPA_IO_Position: stream->position = area; break; } } struct process_data { struct pw_time pwt; uint32_t read_inc; uint32_t write_inc; uint32_t underrun_for; uint32_t playing_for; uint32_t minreq; uint32_t quantum; unsigned int underrun:1; unsigned int idle:1; }; static int do_process_done(struct spa_loop *loop, bool async, uint32_t seq, const void *data, size_t size, void *user_data) { struct stream *stream = user_data; struct client *client = stream->client; struct impl *impl = client->impl; const struct process_data *pd = data; uint32_t index, towrite; int32_t avail; stream->timestamp = pd->pwt.now; stream->delay = pd->pwt.buffered * SPA_USEC_PER_SEC / stream->ss.rate; if (pd->pwt.rate.denom > 0) stream->delay += pd->pwt.delay * SPA_USEC_PER_SEC * pd->pwt.rate.num / pd->pwt.rate.denom; if (stream->direction == PW_DIRECTION_OUTPUT) { if (pd->quantum != stream->last_quantum) stream_update_minreq(stream, pd->minreq); stream->last_quantum = pd->quantum; stream->read_index += pd->read_inc; if (stream->corked) { if (stream->underrun_for != (uint64_t)-1) stream->underrun_for += pd->underrun_for; stream->playing_for = 0; return 0; } if (pd->underrun != stream->is_underrun) { stream->is_underrun = pd->underrun; stream->underrun_for = 0; stream->playing_for = 0; if (pd->underrun) stream_send_underflow(stream, stream->read_index); else stream_send_started(stream); } if (pd->idle) { if (!stream->is_idle) { stream->idle_time = stream->timestamp; } else if (!stream->is_paused && stream->idle_timeout_sec > 0 && stream->timestamp - stream->idle_time > (stream->idle_timeout_sec * SPA_NSEC_PER_SEC)) { stream_set_paused(stream, true, "long underrun"); } } stream->is_idle = pd->idle; stream->playing_for += pd->playing_for; if (stream->underrun_for != (uint64_t)-1) stream->underrun_for += pd->underrun_for; stream_send_request(stream); } else { struct message *msg; stream->write_index += pd->write_inc; avail = spa_ringbuffer_get_read_index(&stream->ring, &index); if (!spa_list_is_empty(&client->out_messages)) { pw_log_debug("%p: [%s] pending read:%u avail:%d", stream, client->name, index, avail); return 0; } if (avail <= 0) { /* underrun, can't really happen but if it does we * do nothing and wait for more data */ pw_log_warn("%p: [%s] underrun read:%u avail:%d", stream, client->name, index, avail); } else { if ((uint32_t)avail > stream->attr.maxlength) { uint32_t skip = avail - stream->attr.fragsize; /* overrun, catch up to latest fragment and send it */ pw_log_warn("%p: [%s] overrun recover read:%u avail:%d max:%u skip:%u", stream, client->name, index, avail, stream->attr.maxlength, skip); index += skip; stream->read_index += skip; avail = stream->attr.fragsize; } pw_log_trace("avail:%d index:%u", avail, index); while ((uint32_t)avail >= stream->attr.fragsize) { towrite = SPA_MIN(avail, MAX_BLOCK); towrite = SPA_MIN(towrite, stream->attr.fragsize); towrite = SPA_ROUND_DOWN(towrite, stream->frame_size); msg = message_alloc(impl, stream->channel, towrite); if (msg == NULL) return -errno; spa_ringbuffer_read_data(&stream->ring, stream->buffer, MAXLENGTH, index % MAXLENGTH, msg->data, towrite); client_queue_message(client, msg); index += towrite; avail -= towrite; stream->read_index += towrite; } spa_ringbuffer_read_update(&stream->ring, index); } } return 0; } static void stream_process(void *data) { struct stream *stream = data; struct client *client = stream->client; struct impl *impl = stream->impl; void *p; struct pw_buffer *buffer; struct spa_buffer *buf; struct spa_data *d; uint32_t offs, size, minreq = 0, index; struct process_data pd; bool do_flush = false; if (stream->create_tag != SPA_ID_INVALID) return; pw_log_trace_fp("%p: process", stream); buffer = pw_stream_dequeue_buffer(stream->stream); if (buffer == NULL) return; buf = buffer->buffer; d = &buf->datas[0]; if ((p = d->data) == NULL) return; spa_zero(pd); if (stream->direction == PW_DIRECTION_OUTPUT) { int32_t avail = spa_ringbuffer_get_read_index(&stream->ring, &index); minreq = buffer->requested * stream->frame_size; if (minreq == 0) minreq = stream->attr.minreq; pd.minreq = minreq; pd.quantum = stream->position ? stream->position->clock.duration : minreq; if (avail < (int32_t)minreq || stream->corked) { /* underrun, produce a silence buffer */ size = SPA_MIN(d->maxsize, minreq); memset(p, 0, size); if (stream->draining && !stream->corked) { stream->draining = false; do_flush = true; } else { pd.underrun_for = size; pd.underrun = true; } if ((stream->attr.prebuf == 0 || do_flush) && !stream->corked) { if (avail > 0) { avail = SPA_MIN((uint32_t)avail, size); spa_ringbuffer_read_data(&stream->ring, stream->buffer, MAXLENGTH, index % MAXLENGTH, p, avail); } index += size; pd.read_inc = size; spa_ringbuffer_read_update(&stream->ring, index); pd.playing_for = size; } pd.idle = true; pw_log_debug("%p: [%s] underrun read:%u avail:%d max:%u", stream, client->name, index, avail, minreq); } else { if (avail > (int32_t)stream->attr.maxlength) { uint32_t skip = avail - stream->attr.maxlength; /* overrun, reported by other side, here we skip * ahead to the oldest data. */ pw_log_debug("%p: [%s] overrun read:%u avail:%d max:%u skip:%u", stream, client->name, index, avail, stream->attr.maxlength, skip); index += skip; pd.read_inc = skip; avail = stream->attr.maxlength; } size = SPA_MIN(d->maxsize, (uint32_t)avail); size = SPA_MIN(size, minreq); spa_ringbuffer_read_data(&stream->ring, stream->buffer, MAXLENGTH, index % MAXLENGTH, p, size); index += size; pd.read_inc += size; spa_ringbuffer_read_update(&stream->ring, index); pd.playing_for = size; pd.underrun = false; } d->chunk->offset = 0; d->chunk->stride = stream->frame_size; d->chunk->size = size; buffer->size = size / stream->frame_size; } else { int32_t filled = spa_ringbuffer_get_write_index(&stream->ring, &index); offs = SPA_MIN(d->chunk->offset, d->maxsize); size = SPA_MIN(d->chunk->size, d->maxsize - offs); if (filled < 0) { /* underrun, can't really happen because we never read more * than what's available on the other side */ pw_log_warn("%p: [%s] underrun write:%u filled:%d", stream, client->name, index, filled); } else if ((uint32_t)filled + size > stream->attr.maxlength) { /* overrun, can happen when the other side is not * reading fast enough. We still write our data into the * ringbuffer and expect the other side to warn and catch up. */ pw_log_debug("%p: [%s] overrun write:%u filled:%d size:%u max:%u", stream, client->name, index, filled, size, stream->attr.maxlength); } spa_ringbuffer_write_data(&stream->ring, stream->buffer, MAXLENGTH, index % MAXLENGTH, SPA_PTROFF(p, offs, void), SPA_MIN(size, MAXLENGTH)); index += size; pd.write_inc = size; spa_ringbuffer_write_update(&stream->ring, index); } pw_stream_queue_buffer(stream->stream, buffer); if (do_flush) pw_stream_flush(stream->stream, true); pw_stream_get_time_n(stream->stream, &pd.pwt, sizeof(pd.pwt)); pw_loop_invoke(impl->loop, do_process_done, 1, &pd, sizeof(pd), false, stream); } static void stream_drained(void *data) { struct stream *stream = data; if (stream->drain_tag != 0) { pw_log_info("[%s] drained channel:%u tag:%d", stream->client->name, stream->channel, stream->drain_tag); reply_simple_ack(stream->client, stream->drain_tag); stream->drain_tag = 0; pw_stream_set_active(stream->stream, !stream->is_paused); } } static const struct pw_stream_events stream_events = { PW_VERSION_STREAM_EVENTS, .control_info = stream_control_info, .state_changed = stream_state_changed, .param_changed = stream_param_changed, .io_changed = stream_io_changed, .process = stream_process, .drained = stream_drained, }; static void log_format_info(struct impl *impl, enum spa_log_level level, struct format_info *format) { const struct spa_dict_item *it; pw_logt(level, mod_topic, "%p: format %s", impl, format_encoding2name(format->encoding)); spa_dict_for_each(it, &format->props->dict) pw_logt(level, mod_topic, "%p: '%s': '%s'", impl, it->key, it->value); } static int do_create_playback_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; const char *name = NULL; int res; struct sample_spec ss; struct channel_map map; uint32_t sink_index, syncid, rate = 0; const char *sink_name; struct buffer_attr attr = { 0 }; bool corked = false, no_remap = false, no_remix = false, fix_format = false, fix_rate = false, fix_channels = false, no_move = false, variable_rate = false, muted = false, adjust_latency = false, early_requests = false, dont_inhibit_auto_suspend = false, volume_set = true, muted_set = false, fail_on_suspend = false, relative_volume = false, passthrough = false; struct volume volume; struct pw_properties *props = NULL; uint8_t n_formats = 0; struct stream *stream = NULL; uint32_t n_params = 0, n_valid_formats = 0, flags; const struct spa_pod *params[MAX_FORMATS]; uint8_t buffer[4096]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); props = pw_properties_copy(client->props); if (props == NULL) goto error_errno; if (client->version < 13) { if ((res = message_get(m, TAG_STRING, &name, TAG_INVALID)) < 0) goto error_protocol; if (name == NULL) goto error_protocol; } if (message_get(m, TAG_SAMPLE_SPEC, &ss, TAG_CHANNEL_MAP, &map, TAG_U32, &sink_index, TAG_STRING, &sink_name, TAG_U32, &attr.maxlength, TAG_BOOLEAN, &corked, TAG_U32, &attr.tlength, TAG_U32, &attr.prebuf, TAG_U32, &attr.minreq, TAG_U32, &syncid, TAG_CVOLUME, &volume, TAG_INVALID) < 0) goto error_protocol; pw_log_info("[%s] CREATE_PLAYBACK_STREAM tag:%u corked:%u sink-name:%s sink-index:%u", client->name, tag, corked, sink_name, sink_index); if (sink_index != SPA_ID_INVALID && sink_name != NULL) goto error_invalid; if (client->version >= 12) { if (message_get(m, TAG_BOOLEAN, &no_remap, TAG_BOOLEAN, &no_remix, TAG_BOOLEAN, &fix_format, TAG_BOOLEAN, &fix_rate, TAG_BOOLEAN, &fix_channels, TAG_BOOLEAN, &no_move, TAG_BOOLEAN, &variable_rate, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 13) { if (message_get(m, TAG_BOOLEAN, &muted, TAG_BOOLEAN, &adjust_latency, TAG_PROPLIST, props, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 14) { if (message_get(m, TAG_BOOLEAN, &volume_set, TAG_BOOLEAN, &early_requests, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 15) { if (message_get(m, TAG_BOOLEAN, &muted_set, TAG_BOOLEAN, &dont_inhibit_auto_suspend, TAG_BOOLEAN, &fail_on_suspend, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 17) { if (message_get(m, TAG_BOOLEAN, &relative_volume, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 18) { if (message_get(m, TAG_BOOLEAN, &passthrough, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 21) { if (message_get(m, TAG_U8, &n_formats, TAG_INVALID) < 0) goto error_protocol; if (n_formats) { uint8_t i; for (i = 0; i < n_formats; i++) { struct format_info format; uint32_t r; if (message_get(m, TAG_FORMAT_INFO, &format, TAG_INVALID) < 0) goto error_protocol; if (n_params < MAX_FORMATS && (params[n_params] = format_info_build_param(&b, SPA_PARAM_EnumFormat, &format, &r)) != NULL) { n_params++; n_valid_formats++; if (r > rate) rate = r; } else { log_format_info(impl, SPA_LOG_LEVEL_WARN, &format); } format_info_clear(&format); } } } if (sample_spec_valid(&ss)) { if (fix_format || fix_rate || fix_channels) { struct sample_spec sfix = ss; if (fix_format) sfix.format = SPA_AUDIO_FORMAT_UNKNOWN; if (fix_rate) sfix.rate = 0; if (fix_channels) sfix.channels = 0; if (n_params < MAX_FORMATS && (params[n_params] = format_build_param(&b, SPA_PARAM_EnumFormat, &sfix, sfix.channels > 0 ? &map : NULL)) != NULL) { n_params++; n_valid_formats++; } } else if (n_params < MAX_FORMATS && (params[n_params] = format_build_param(&b, SPA_PARAM_EnumFormat, &ss, ss.channels > 0 ? &map : NULL)) != NULL) { n_params++; n_valid_formats++; } else { pw_log_warn("%p: unsupported format:%s rate:%d channels:%u", impl, format_id2name(ss.format), ss.rate, ss.channels); } rate = ss.rate; } if (m->offset != m->length) goto error_protocol; if (n_valid_formats == 0) goto error_no_formats; stream = stream_new(client, STREAM_TYPE_PLAYBACK, tag, &ss, &map, &attr); if (stream == NULL) goto error_errno; stream->corked = corked; stream->adjust_latency = adjust_latency; stream->early_requests = early_requests; stream->volume = volume; stream->volume_set = volume_set; stream->muted = muted; stream->muted_set = muted_set; stream->is_underrun = true; stream->underrun_for = -1; if (rate != 0) { struct spa_fraction lat; fix_playback_buffer_attr(stream, &attr, rate, &lat); pw_properties_setf(props, PW_KEY_NODE_RATE, "1/%u", rate); pw_properties_setf(props, PW_KEY_NODE_LATENCY, "%u/%u", lat.num, lat.denom); } if (no_remix) pw_properties_set(props, PW_KEY_STREAM_DONT_REMIX, "true"); flags = 0; if (no_move) flags |= PW_STREAM_FLAG_DONT_RECONNECT; if (sink_name != NULL) { pw_properties_set(props, PW_KEY_TARGET_OBJECT, sink_name); } else if (sink_index != SPA_ID_INVALID && sink_index != 0) { pw_properties_setf(props, PW_KEY_TARGET_OBJECT, "%u", sink_index); } stream->stream = pw_stream_new(client->core, name, props); props = NULL; if (stream->stream == NULL) goto error_errno; pw_log_debug("%p: new stream %p channel:%d passthrough:%d", impl, stream, stream->channel, passthrough); pw_stream_add_listener(stream->stream, &stream->stream_listener, &stream_events, stream); pw_stream_connect(stream->stream, PW_DIRECTION_OUTPUT, SPA_ID_INVALID, flags | PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_RT_PROCESS | PW_STREAM_FLAG_MAP_BUFFERS, params, n_params); return 0; error_errno: res = -errno; goto error; error_protocol: res = -EPROTO; goto error; error_no_formats: res = -ENOTSUP; goto error; error_invalid: res = -EINVAL; goto error; error: pw_properties_free(props); if (stream) stream_free(stream); return res; } static int do_create_record_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; const char *name = NULL; int res; struct sample_spec ss; struct channel_map map; uint32_t source_index; const char *source_name; struct buffer_attr attr = { 0 }; bool corked = false, no_remap = false, no_remix = false, fix_format = false, fix_rate = false, fix_channels = false, no_move = false, variable_rate = false, peak_detect = false, adjust_latency = false, early_requests = false, dont_inhibit_auto_suspend = false, volume_set = true, muted = false, muted_set = false, fail_on_suspend = false, relative_volume = false, passthrough = false; uint32_t direct_on_input_idx = SPA_ID_INVALID; struct volume volume = VOLUME_INIT; struct pw_properties *props = NULL; uint8_t n_formats = 0; struct stream *stream = NULL; uint32_t n_params = 0, n_valid_formats = 0, flags, id, rate = 0; const struct spa_pod *params[MAX_FORMATS]; uint8_t buffer[4096]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); props = pw_properties_copy(client->props); if (props == NULL) goto error_errno; if (client->version < 13) { if (message_get(m, TAG_STRING, &name, TAG_INVALID) < 0) goto error_protocol; if (name == NULL) goto error_protocol; } if (message_get(m, TAG_SAMPLE_SPEC, &ss, TAG_CHANNEL_MAP, &map, TAG_U32, &source_index, TAG_STRING, &source_name, TAG_U32, &attr.maxlength, TAG_BOOLEAN, &corked, TAG_U32, &attr.fragsize, TAG_INVALID) < 0) goto error_protocol; pw_log_info("[%s] CREATE_RECORD_STREAM tag:%u corked:%u source-name:%s source-index:%u", client->name, tag, corked, source_name, source_index); if (source_index != SPA_ID_INVALID && source_name != NULL) goto error_invalid; if (client->version >= 12) { if (message_get(m, TAG_BOOLEAN, &no_remap, TAG_BOOLEAN, &no_remix, TAG_BOOLEAN, &fix_format, TAG_BOOLEAN, &fix_rate, TAG_BOOLEAN, &fix_channels, TAG_BOOLEAN, &no_move, TAG_BOOLEAN, &variable_rate, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 13) { if (message_get(m, TAG_BOOLEAN, &peak_detect, TAG_BOOLEAN, &adjust_latency, TAG_PROPLIST, props, TAG_U32, &direct_on_input_idx, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 14) { if (message_get(m, TAG_BOOLEAN, &early_requests, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 15) { if (message_get(m, TAG_BOOLEAN, &dont_inhibit_auto_suspend, TAG_BOOLEAN, &fail_on_suspend, TAG_INVALID) < 0) goto error_protocol; } if (client->version >= 22) { if (message_get(m, TAG_U8, &n_formats, TAG_INVALID) < 0) goto error_protocol; if (n_formats) { uint8_t i; for (i = 0; i < n_formats; i++) { struct format_info format; uint32_t r; if (message_get(m, TAG_FORMAT_INFO, &format, TAG_INVALID) < 0) goto error_protocol; if (n_params < MAX_FORMATS && (params[n_params] = format_info_build_param(&b, SPA_PARAM_EnumFormat, &format, &r)) != NULL) { n_params++; n_valid_formats++; if (r > rate) rate = r; } else { log_format_info(impl, SPA_LOG_LEVEL_WARN, &format); } format_info_clear(&format); } } if (message_get(m, TAG_CVOLUME, &volume, TAG_BOOLEAN, &muted, TAG_BOOLEAN, &volume_set, TAG_BOOLEAN, &muted_set, TAG_BOOLEAN, &relative_volume, TAG_BOOLEAN, &passthrough, TAG_INVALID) < 0) goto error_protocol; } else { volume_set = false; } if (sample_spec_valid(&ss)) { if (fix_format || fix_rate || fix_channels) { struct sample_spec sfix = ss; if (fix_format) sfix.format = SPA_AUDIO_FORMAT_UNKNOWN; if (fix_rate) sfix.rate = 0; if (fix_channels) sfix.channels = 0; if (n_params < MAX_FORMATS && (params[n_params] = format_build_param(&b, SPA_PARAM_EnumFormat, &sfix, sfix.channels > 0 ? &map : NULL)) != NULL) { n_params++; n_valid_formats++; } } else if (n_params < MAX_FORMATS && (params[n_params] = format_build_param(&b, SPA_PARAM_EnumFormat, &ss, ss.channels > 0 ? &map : NULL)) != NULL) { n_params++; n_valid_formats++; } else { pw_log_warn("%p: unsupported format:%s rate:%d channels:%u", impl, format_id2name(ss.format), ss.rate, ss.channels); } rate = ss.rate; } if (m->offset != m->length) goto error_protocol; if (n_valid_formats == 0) goto error_no_formats; stream = stream_new(client, STREAM_TYPE_RECORD, tag, &ss, &map, &attr); if (stream == NULL) goto error_errno; stream->corked = corked; stream->adjust_latency = adjust_latency; stream->early_requests = early_requests; stream->volume = volume; stream->volume_set = volume_set; stream->muted = muted; stream->muted_set = muted_set; if (client->quirks & QUIRK_REMOVE_CAPTURE_DONT_MOVE) no_move = false; if (rate != 0) { struct spa_fraction lat; fix_record_buffer_attr(stream, &attr, rate, &lat); pw_properties_setf(props, PW_KEY_NODE_RATE, "1/%u", rate); pw_properties_setf(props, PW_KEY_NODE_LATENCY, "%u/%u", lat.num, lat.denom); } if (peak_detect) pw_properties_set(props, PW_KEY_STREAM_MONITOR, "true"); if (no_remix) pw_properties_set(props, PW_KEY_STREAM_DONT_REMIX, "true"); flags = 0; if (no_move) flags |= PW_STREAM_FLAG_DONT_RECONNECT; if (direct_on_input_idx != SPA_ID_INVALID) { source_index = direct_on_input_idx; } else if (source_name != NULL) { if ((id = atoi(source_name)) != 0) source_index = id; } if (source_index != SPA_ID_INVALID && source_index != 0) { pw_properties_setf(props, PW_KEY_TARGET_OBJECT, "%u", source_index); } else if (source_name != NULL) { if (spa_strendswith(source_name, ".monitor")) { pw_properties_setf(props, PW_KEY_TARGET_OBJECT, "%.*s", (int)strlen(source_name)-8, source_name); pw_properties_set(props, PW_KEY_STREAM_CAPTURE_SINK, "true"); } else { pw_properties_set(props, PW_KEY_TARGET_OBJECT, source_name); } } stream->stream = pw_stream_new(client->core, name, props); props = NULL; if (stream->stream == NULL) goto error_errno; pw_stream_add_listener(stream->stream, &stream->stream_listener, &stream_events, stream); pw_stream_connect(stream->stream, PW_DIRECTION_INPUT, SPA_ID_INVALID, flags | PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_RT_PROCESS | PW_STREAM_FLAG_MAP_BUFFERS, params, n_params); return 0; error_errno: res = -errno; goto error; error_protocol: res = -EPROTO; goto error; error_no_formats: res = -ENOTSUP; goto error; error_invalid: res = -EINVAL; goto error; error: pw_properties_free(props); if (stream) stream_free(stream); return res; } static int do_delete_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; struct stream *stream; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] DELETE_STREAM tag:%u channel:%u", client->name, tag, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL) return -ENOENT; if (command == COMMAND_DELETE_PLAYBACK_STREAM && stream->type != STREAM_TYPE_PLAYBACK) return -ENOENT; if (command == COMMAND_DELETE_RECORD_STREAM && stream->type != STREAM_TYPE_RECORD) return -ENOENT; if (command == COMMAND_DELETE_UPLOAD_STREAM && stream->type != STREAM_TYPE_UPLOAD) return -ENOENT; stream_free(stream); return reply_simple_ack(client, tag); } static int do_get_playback_latency(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct message *reply; uint32_t channel; struct timeval tv, now; struct stream *stream; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_TIMEVAL, &tv, TAG_INVALID)) < 0) return -EPROTO; pw_log_debug("%p: %s tag:%u channel:%u", impl, commands[command].name, tag, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type != STREAM_TYPE_PLAYBACK) return -ENOENT; pw_log_debug("read:0x%"PRIx64" write:0x%"PRIx64" queued:%"PRIi64" delay:%"PRIi64 " playing:%"PRIu64, stream->read_index, stream->write_index, stream->write_index - stream->read_index, stream->delay, stream->playing_for); gettimeofday(&now, NULL); reply = reply_new(client, tag); message_put(reply, TAG_USEC, stream->delay, /* sink latency + queued samples */ TAG_USEC, 0LL, /* always 0 */ TAG_BOOLEAN, stream->playing_for > 0 && !stream->corked, /* playing state */ TAG_TIMEVAL, &tv, TAG_TIMEVAL, &now, TAG_S64, stream->write_index, TAG_S64, stream->read_index, TAG_INVALID); if (client->version >= 13) { message_put(reply, TAG_U64, stream->underrun_for, TAG_U64, stream->playing_for, TAG_INVALID); } return client_queue_message(client, reply); } static int do_get_record_latency(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct message *reply; uint32_t channel; struct timeval tv, now; struct stream *stream; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_TIMEVAL, &tv, TAG_INVALID)) < 0) return -EPROTO; pw_log_debug("%p: %s channel:%u", impl, commands[command].name, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type != STREAM_TYPE_RECORD) return -ENOENT; pw_log_debug("read:0x%"PRIx64" write:0x%"PRIx64" queued:%"PRIi64" delay:%"PRIi64, stream->read_index, stream->write_index, stream->write_index - stream->read_index, stream->delay); gettimeofday(&now, NULL); reply = reply_new(client, tag); message_put(reply, TAG_USEC, 0LL, /* monitor latency */ TAG_USEC, stream->delay, /* source latency + queued */ TAG_BOOLEAN, !stream->corked, /* playing state */ TAG_TIMEVAL, &tv, TAG_TIMEVAL, &now, TAG_S64, stream->write_index, TAG_S64, stream->read_index, TAG_INVALID); return client_queue_message(client, reply); } static int do_create_upload_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { const char *name; struct sample_spec ss; struct channel_map map; struct pw_properties *props = NULL; uint32_t length; struct stream *stream = NULL; struct message *reply; int res; if ((props = pw_properties_copy(client->props)) == NULL) goto error_errno; if ((res = message_get(m, TAG_STRING, &name, TAG_SAMPLE_SPEC, &ss, TAG_CHANNEL_MAP, &map, TAG_U32, &length, TAG_INVALID)) < 0) goto error_proto; if (client->version >= 13) { if ((res = message_get(m, TAG_PROPLIST, props, TAG_INVALID)) < 0) goto error_proto; } else { pw_properties_set(props, PW_KEY_MEDIA_NAME, name); } if (name == NULL) name = pw_properties_get(props, "event.id"); if (name == NULL) name = pw_properties_get(props, PW_KEY_MEDIA_NAME); if (name == NULL || !sample_spec_valid(&ss) || !channel_map_valid(&map) || ss.channels != map.channels || length == 0 || (length % sample_spec_frame_size(&ss) != 0)) goto error_invalid; if (length >= SCACHE_ENTRY_SIZE_MAX) goto error_toolarge; pw_log_info("[%s] %s tag:%u name:%s length:%d", client->name, commands[command].name, tag, name, length); stream = stream_new(client, STREAM_TYPE_UPLOAD, tag, &ss, &map, &(struct buffer_attr) { .maxlength = length, }); if (stream == NULL) goto error_errno; stream->props = props; stream->buffer = calloc(1, MAXLENGTH); if (stream->buffer == NULL) goto error_errno; reply = reply_new(client, tag); message_put(reply, TAG_U32, stream->channel, TAG_U32, length, TAG_INVALID); return client_queue_message(client, reply); error_errno: res = -errno; goto error; error_proto: res = -EPROTO; goto error; error_invalid: res = -EINVAL; goto error; error_toolarge: res = -EOVERFLOW; goto error; error: pw_properties_free(props); if (stream) stream_free(stream); return res; } static int do_finish_upload_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; uint32_t channel, event; struct stream *stream; struct sample *sample; const char *name; int res; if (message_get(m, TAG_U32, &channel, TAG_INVALID) < 0) return -EPROTO; stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type != STREAM_TYPE_UPLOAD) return -ENOENT; name = pw_properties_get(stream->props, "event.id"); if (name == NULL) name = pw_properties_get(stream->props, PW_KEY_MEDIA_NAME); if (name == NULL) goto error_invalid; pw_log_info("[%s] %s tag:%u channel:%u name:%s", client->name, commands[command].name, tag, channel, name); struct sample *old = find_sample(impl, SPA_ID_INVALID, name); if (old == NULL || old->ref > 1) { sample = calloc(1, sizeof(*sample)); if (sample == NULL) goto error_errno; if (old != NULL) { sample->index = old->index; spa_assert_se(pw_map_insert_at(&impl->samples, sample->index, sample) == 0); old->index = SPA_ID_INVALID; sample_unref(old); } else { sample->index = pw_map_insert_new(&impl->samples, sample); if (sample->index == SPA_ID_INVALID) goto error_errno; } } else { pw_properties_free(old->props); free(old->buffer); impl->stat.sample_cache -= old->length; sample = old; } if (old != NULL) event = SUBSCRIPTION_EVENT_CHANGE; else event = SUBSCRIPTION_EVENT_NEW; sample->ref = 1; sample->impl = impl; sample->name = name; sample->props = stream->props; sample->ss = stream->ss; sample->map = stream->map; sample->buffer = stream->buffer; sample->length = stream->attr.maxlength; impl->stat.sample_cache += sample->length; stream->props = NULL; stream->buffer = NULL; stream_free(stream); broadcast_subscribe_event(impl, SUBSCRIPTION_MASK_SAMPLE_CACHE, event | SUBSCRIPTION_EVENT_SAMPLE_CACHE, sample->index); return reply_simple_ack(client, tag); error_errno: res = -errno; free(sample); goto error; error_invalid: res = -EINVAL; goto error; error: stream_free(stream); return res; } static const char *get_default(struct client *client, bool sink) { struct selector sel; struct pw_manager *manager = client->manager; struct pw_manager_object *o; const char *def, *str, *mon; spa_zero(sel); if (sink) { sel.type = pw_manager_object_is_sink; sel.key = PW_KEY_NODE_NAME; sel.value = client->default_sink; def = DEFAULT_SINK; } else { sel.type = pw_manager_object_is_source_or_monitor; sel.key = PW_KEY_NODE_NAME; sel.value = client->default_source; def = DEFAULT_SOURCE; } sel.accumulate = select_best; o = select_object(manager, &sel); if (o == NULL || o->props == NULL) return def; str = pw_properties_get(o->props, PW_KEY_NODE_NAME); if (!sink && pw_manager_object_is_monitor(o)) { def = DEFAULT_MONITOR; if (str != NULL && (mon = pw_properties_get(o->props, PW_KEY_NODE_NAME".monitor")) == NULL) { pw_properties_setf(o->props, PW_KEY_NODE_NAME".monitor", "%s.monitor", str); } str = pw_properties_get(o->props, PW_KEY_NODE_NAME".monitor"); } if (str == NULL) str = def; return str; } static struct pw_manager_object *find_device(struct client *client, uint32_t index, const char *name, bool sink, bool *is_monitor) { struct selector sel; bool monitor = false, find_default = false; struct pw_manager_object *o; if (name != NULL) { if (spa_streq(name, DEFAULT_MONITOR)) { if (sink) return NULL; sink = true; find_default = true; } else if (spa_streq(name, DEFAULT_SOURCE)) { if (sink) return NULL; find_default = true; } else if (spa_streq(name, DEFAULT_SINK)) { if (!sink) return NULL; find_default = true; } else if (spa_atou32(name, &index, 0)) { name = NULL; } } if (name == NULL && (index == SPA_ID_INVALID || index == 0)) find_default = true; if (find_default) { name = get_default(client, sink); index = SPA_ID_INVALID; } if (name != NULL) { if (spa_strendswith(name, ".monitor")) { name = strndupa(name, strlen(name)-8); monitor = true; } } else if (index == SPA_ID_INVALID) return NULL; spa_zero(sel); sel.type = sink ? pw_manager_object_is_sink : pw_manager_object_is_source_or_monitor; sel.index = index; sel.key = PW_KEY_NODE_NAME; sel.value = name; o = select_object(client->manager, &sel); if (o != NULL) { if (!sink && pw_manager_object_is_monitor(o)) monitor = true; } if (is_monitor) *is_monitor = monitor; return o; } static void sample_play_finish(struct pending_sample *ps) { struct client *client = ps->client; pending_sample_free(ps); client_unref(client); } static void sample_play_ready_reply(void *data, struct client *client, uint32_t tag) { struct pending_sample *ps = data; struct message *reply; uint32_t index = id_to_index(client->manager, ps->play->id); pw_log_info("[%s] PLAY_SAMPLE tag:%u index:%u", client->name, ps->tag, index); ps->ready = true; reply = reply_new(client, ps->tag); if (client->version >= 13) message_put(reply, TAG_U32, index, TAG_INVALID); client_queue_message(client, reply); if (ps->done) sample_play_finish(ps); } static void sample_play_ready(void *data, uint32_t id) { struct pending_sample *ps = data; struct client *client = ps->client; operation_new_cb(client, ps->tag, sample_play_ready_reply, ps); } static void on_sample_done(void *obj, void *data, int res, uint32_t id) { struct pending_sample *ps = obj; ps->done = true; if (ps->ready) sample_play_finish(ps); } static void sample_play_done(void *data, int res) { struct pending_sample *ps = data; struct client *client = ps->client; struct impl *impl = client->impl; if (res < 0) reply_error(client, COMMAND_PLAY_SAMPLE, ps->tag, res); else pw_log_info("[%s] PLAY_SAMPLE done tag:%u", client->name, ps->tag); pw_work_queue_add(impl->work_queue, ps, 0, on_sample_done, client); } static const struct sample_play_events sample_play_events = { VERSION_SAMPLE_PLAY_EVENTS, .ready = sample_play_ready, .done = sample_play_done, }; static int do_play_sample(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; uint32_t sink_index, volume; struct sample *sample; struct sample_play *play; const char *sink_name, *name; struct pw_properties *props = NULL; struct pending_sample *ps; struct pw_manager_object *o; int res; if ((props = pw_properties_new(NULL, NULL)) == NULL) goto error_errno; if ((res = message_get(m, TAG_U32, &sink_index, TAG_STRING, &sink_name, TAG_U32, &volume, TAG_STRING, &name, TAG_INVALID)) < 0) goto error_proto; if (client->version >= 13) { if ((res = message_get(m, TAG_PROPLIST, props, TAG_INVALID)) < 0) goto error_proto; } pw_log_info("[%s] %s tag:%u sink_index:%u sink_name:%s name:%s", client->name, commands[command].name, tag, sink_index, sink_name, name); pw_properties_update(props, &client->props->dict); if (sink_index != SPA_ID_INVALID && sink_name != NULL) goto error_inval; o = find_device(client, sink_index, sink_name, PW_DIRECTION_OUTPUT, NULL); if (o == NULL) goto error_noent; sample = find_sample(impl, SPA_ID_INVALID, name); if (sample == NULL) goto error_noent; pw_properties_setf(props, PW_KEY_TARGET_OBJECT, "%"PRIu64, o->serial); play = sample_play_new(client->core, sample, props, sizeof(struct pending_sample)); props = NULL; if (play == NULL) goto error_errno; ps = play->user_data; ps->client = client; ps->play = play; ps->tag = tag; sample_play_add_listener(play, &ps->listener, &sample_play_events, ps); spa_list_append(&client->pending_samples, &ps->link); client->ref++; return 0; error_errno: res = -errno; goto error; error_proto: res = -EPROTO; goto error; error_inval: res = -EINVAL; goto error; error_noent: res = -ENOENT; goto error; error: pw_properties_free(props); return res; } static int do_remove_sample(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; const char *name; struct sample *sample; int res; if ((res = message_get(m, TAG_STRING, &name, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u name:%s", client->name, commands[command].name, tag, name); if (name == NULL) return -EINVAL; if ((sample = find_sample(impl, SPA_ID_INVALID, name)) == NULL) return -ENOENT; broadcast_subscribe_event(impl, SUBSCRIPTION_MASK_SAMPLE_CACHE, SUBSCRIPTION_EVENT_REMOVE | SUBSCRIPTION_EVENT_SAMPLE_CACHE, sample->index); pw_map_remove(&impl->samples, sample->index); sample->index = SPA_ID_INVALID; sample_unref(sample); return reply_simple_ack(client, tag); } static int do_cork_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; bool cork; struct stream *stream; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_BOOLEAN, &cork, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u channel:%u cork:%s", client->name, commands[command].name, tag, channel, cork ? "yes" : "no"); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) return -ENOENT; stream->corked = cork; stream_set_paused(stream, cork, "cork request"); if (cork) { stream->is_underrun = true; } else { stream->playing_for = 0; stream->underrun_for = -1; stream_send_request(stream); } return reply_simple_ack(client, tag); } static int do_flush_trigger_prebuf_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; struct stream *stream; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u channel:%u", client->name, commands[command].name, tag, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) return -ENOENT; switch (command) { case COMMAND_FLUSH_PLAYBACK_STREAM: case COMMAND_FLUSH_RECORD_STREAM: stream_flush(stream); break; case COMMAND_TRIGGER_PLAYBACK_STREAM: case COMMAND_PREBUF_PLAYBACK_STREAM: if (stream->type != STREAM_TYPE_PLAYBACK) return -ENOENT; if (command == COMMAND_TRIGGER_PLAYBACK_STREAM) stream->in_prebuf = false; else if (stream->attr.prebuf > 0) stream->in_prebuf = true; stream_send_request(stream); break; default: return -EINVAL; } return reply_simple_ack(client, tag); } static int set_node_volume_mute(struct pw_manager_object *o, struct volume *vol, bool *mute, bool is_monitor) { char buf[1024]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf)); struct spa_pod_frame f[1]; struct spa_pod *param; uint32_t volprop, muteprop; if (!SPA_FLAG_IS_SET(o->permissions, PW_PERM_W | PW_PERM_X)) return -EACCES; if (o->proxy == NULL) return -ENOENT; if (is_monitor) { volprop = SPA_PROP_monitorVolumes; muteprop = SPA_PROP_monitorMute; } else { volprop = SPA_PROP_channelVolumes; muteprop = SPA_PROP_mute; } spa_pod_builder_push_object(&b, &f[0], SPA_TYPE_OBJECT_Props, SPA_PARAM_Props); if (vol) spa_pod_builder_add(&b, volprop, SPA_POD_Array(sizeof(float), SPA_TYPE_Float, vol->channels, vol->values), 0); if (mute) spa_pod_builder_add(&b, muteprop, SPA_POD_Bool(*mute), 0); param = spa_pod_builder_pop(&b, &f[0]); pw_node_set_param((struct pw_node*)o->proxy, SPA_PARAM_Props, 0, param); return 0; } static int set_card_volume_mute_delay(struct pw_manager_object *o, uint32_t port_index, uint32_t device_id, struct volume *vol, bool *mute, int64_t *latency_offset) { char buf[1024]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf)); struct spa_pod_frame f[2]; struct spa_pod *param; if (!SPA_FLAG_IS_SET(o->permissions, PW_PERM_W | PW_PERM_X)) return -EACCES; if (o->proxy == NULL) return -ENOENT; spa_pod_builder_push_object(&b, &f[0], SPA_TYPE_OBJECT_ParamRoute, SPA_PARAM_Route); spa_pod_builder_add(&b, SPA_PARAM_ROUTE_index, SPA_POD_Int(port_index), SPA_PARAM_ROUTE_device, SPA_POD_Int(device_id), 0); spa_pod_builder_prop(&b, SPA_PARAM_ROUTE_props, 0); spa_pod_builder_push_object(&b, &f[1], SPA_TYPE_OBJECT_Props, SPA_PARAM_Props); if (vol) spa_pod_builder_add(&b, SPA_PROP_channelVolumes, SPA_POD_Array(sizeof(float), SPA_TYPE_Float, vol->channels, vol->values), 0); if (mute) spa_pod_builder_add(&b, SPA_PROP_mute, SPA_POD_Bool(*mute), 0); if (latency_offset) spa_pod_builder_add(&b, SPA_PROP_latencyOffsetNsec, SPA_POD_Long(*latency_offset), 0); spa_pod_builder_pop(&b, &f[1]); spa_pod_builder_prop(&b, SPA_PARAM_ROUTE_save, 0); spa_pod_builder_bool(&b, true); param = spa_pod_builder_pop(&b, &f[0]); pw_device_set_param((struct pw_device*)o->proxy, SPA_PARAM_Route, 0, param); return 0; } static int set_card_port(struct pw_manager_object *o, uint32_t device_id, uint32_t port_index) { char buf[1024]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf)); if (!SPA_FLAG_IS_SET(o->permissions, PW_PERM_W | PW_PERM_X)) return -EACCES; if (o->proxy == NULL) return -ENOENT; pw_device_set_param((struct pw_device*)o->proxy, SPA_PARAM_Route, 0, spa_pod_builder_add_object(&b, SPA_TYPE_OBJECT_ParamRoute, SPA_PARAM_Route, SPA_PARAM_ROUTE_index, SPA_POD_Int(port_index), SPA_PARAM_ROUTE_device, SPA_POD_Int(device_id), SPA_PARAM_ROUTE_save, SPA_POD_Bool(true))); return 0; } static int do_set_stream_volume(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; uint32_t index; struct stream *stream; struct volume volume; int res; if ((res = message_get(m, TAG_U32, &index, TAG_CVOLUME, &volume, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u", client->name, commands[command].name, tag, index); stream = find_stream(client, index); if (stream != NULL) { if (volume_compare(&stream->volume, &volume) == 0) goto done; pw_stream_set_control(stream->stream, SPA_PROP_channelVolumes, volume.channels, volume.values, 0); } else { struct selector sel; struct pw_manager_object *o; spa_zero(sel); sel.index = index; if (command == COMMAND_SET_SINK_INPUT_VOLUME) sel.type = pw_manager_object_is_sink_input; else sel.type = pw_manager_object_is_source_output; o = select_object(manager, &sel); if (o == NULL) return -ENOENT; if ((res = set_node_volume_mute(o, &volume, NULL, false)) < 0) return res; } done: return operation_new(client, tag); } static int do_set_stream_mute(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; uint32_t index; struct stream *stream; int res; bool mute; if ((res = message_get(m, TAG_U32, &index, TAG_BOOLEAN, &mute, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] DO_SET_STREAM_MUTE tag:%u index:%u mute:%u", client->name, tag, index, mute); stream = find_stream(client, index); if (stream != NULL) { float val; if (stream->muted == mute) goto done; val = mute ? 1.0f : 0.0f; pw_stream_set_control(stream->stream, SPA_PROP_mute, 1, &val, 0); } else { struct selector sel; struct pw_manager_object *o; spa_zero(sel); sel.index = index; if (command == COMMAND_SET_SINK_INPUT_MUTE) sel.type = pw_manager_object_is_sink_input; else sel.type = pw_manager_object_is_source_output; o = select_object(manager, &sel); if (o == NULL) return -ENOENT; if ((res = set_node_volume_mute(o, NULL, &mute, false)) < 0) return res; } done: return operation_new(client, tag); } static int do_set_volume(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; struct pw_node_info *info; uint32_t index, card_id = SPA_ID_INVALID; const char *name, *str; struct volume volume; struct pw_manager_object *o, *card = NULL; int res; struct device_info dev_info; enum pw_direction direction; bool is_monitor; if ((res = message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_CVOLUME, &volume, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s", client->name, commands[command].name, tag, index, name); if ((index == SPA_ID_INVALID && name == NULL) || (index != SPA_ID_INVALID && name != NULL)) return -EINVAL; if (command == COMMAND_SET_SINK_VOLUME) direction = PW_DIRECTION_OUTPUT; else direction = PW_DIRECTION_INPUT; o = find_device(client, index, name, direction == PW_DIRECTION_OUTPUT, &is_monitor); if (o == NULL || (info = o->info) == NULL || info->props == NULL) return -ENOENT; dev_info = DEVICE_INFO_INIT(direction); if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) dev_info.device = (uint32_t)atoi(str); if (card_id != SPA_ID_INVALID) { struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; card = select_object(manager, &sel); } collect_device_info(o, card, &dev_info, is_monitor, &impl->defs); if (dev_info.have_volume && volume_compare(&dev_info.volume_info.volume, &volume) == 0) goto done; if (card != NULL && !is_monitor && dev_info.active_port != SPA_ID_INVALID) res = set_card_volume_mute_delay(card, dev_info.active_port, dev_info.device, &volume, NULL, NULL); else res = set_node_volume_mute(o, &volume, NULL, is_monitor); if (res < 0) return res; done: return operation_new(client, tag); } static int do_set_mute(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; struct pw_node_info *info; uint32_t index, card_id = SPA_ID_INVALID; const char *name, *str; bool mute; struct pw_manager_object *o, *card = NULL; int res; struct device_info dev_info; enum pw_direction direction; bool is_monitor; if ((res = message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_BOOLEAN, &mute, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s mute:%d", client->name, commands[command].name, tag, index, name, mute); if ((index == SPA_ID_INVALID && name == NULL) || (index != SPA_ID_INVALID && name != NULL)) return -EINVAL; if (command == COMMAND_SET_SINK_MUTE) direction = PW_DIRECTION_OUTPUT; else direction = PW_DIRECTION_INPUT; o = find_device(client, index, name, direction == PW_DIRECTION_OUTPUT, &is_monitor); if (o == NULL || (info = o->info) == NULL || info->props == NULL) return -ENOENT; dev_info = DEVICE_INFO_INIT(direction); if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) dev_info.device = (uint32_t)atoi(str); if (card_id != SPA_ID_INVALID) { struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; card = select_object(manager, &sel); } collect_device_info(o, card, &dev_info, is_monitor, &impl->defs); if (dev_info.have_volume && dev_info.volume_info.mute == mute) goto done; if (card != NULL && !is_monitor && dev_info.active_port != SPA_ID_INVALID) res = set_card_volume_mute_delay(card, dev_info.active_port, dev_info.device, NULL, &mute, NULL); else res = set_node_volume_mute(o, NULL, &mute, is_monitor); if (res < 0) return res; done: return operation_new(client, tag); } static int do_set_port(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; struct pw_node_info *info; uint32_t index, card_id = SPA_ID_INVALID, device_id = SPA_ID_INVALID; uint32_t port_index = SPA_ID_INVALID; const char *name, *str, *port_name; struct pw_manager_object *o, *card = NULL; int res; enum pw_direction direction; if ((res = message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_STRING, &port_name, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s port:%s", client->name, commands[command].name, tag, index, name, port_name); if ((index == SPA_ID_INVALID && name == NULL) || (index != SPA_ID_INVALID && name != NULL)) return -EINVAL; if (command == COMMAND_SET_SINK_PORT) direction = PW_DIRECTION_OUTPUT; else direction = PW_DIRECTION_INPUT; o = find_device(client, index, name, direction == PW_DIRECTION_OUTPUT, NULL); if (o == NULL || (info = o->info) == NULL || info->props == NULL) return -ENOENT; if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) device_id = (uint32_t)atoi(str); if (card_id != SPA_ID_INVALID) { struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; card = select_object(manager, &sel); } if (card == NULL || device_id == SPA_ID_INVALID) return -ENOENT; port_index = find_port_index(card, direction, port_name); if (port_index == SPA_ID_INVALID) return -ENOENT; if ((res = set_card_port(card, device_id, port_index)) < 0) return res; return operation_new(client, tag); } static int do_set_port_latency_offset(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; const char *port_name = NULL; struct pw_manager_object *card; struct selector sel; struct card_info card_info = CARD_INFO_INIT; struct port_info *port_info; int64_t offset; int64_t value; int res; uint32_t n_ports; size_t i; spa_zero(sel); sel.key = PW_KEY_DEVICE_NAME; sel.type = pw_manager_object_is_card; if ((res = message_get(m, TAG_U32, &sel.index, TAG_STRING, &sel.value, TAG_STRING, &port_name, TAG_S64, &offset, TAG_INVALID)) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u card_name:%s port_name:%s offset:%"PRIi64, client->name, commands[command].name, tag, sel.index, sel.value, port_name, offset); if ((sel.index == SPA_ID_INVALID && sel.value == NULL) || (sel.index != SPA_ID_INVALID && sel.value != NULL)) return -EINVAL; if (port_name == NULL) return -EINVAL; value = offset * 1000; /* to nsec */ if ((card = select_object(manager, &sel)) == NULL) return -ENOENT; collect_card_info(card, &card_info); port_info = alloca(card_info.n_ports * sizeof(*port_info)); card_info.active_profile = SPA_ID_INVALID; n_ports = collect_port_info(card, &card_info, NULL, port_info); /* Set offset on all devices of the port */ res = -ENOENT; for (i = 0; i < n_ports; i++) { struct port_info *pi = &port_info[i]; size_t j; if (!spa_streq(pi->name, port_name)) continue; res = 0; for (j = 0; j < pi->n_devices; ++j) { res = set_card_volume_mute_delay(card, pi->index, pi->devices[j], NULL, NULL, &value); if (res < 0) break; } if (res < 0) break; return operation_new(client, tag); } return res; } static int do_set_stream_name(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; struct stream *stream; const char *name = NULL; struct spa_dict_item items[1]; int res; if ((res = message_get(m, TAG_U32, &channel, TAG_STRING, &name, TAG_INVALID)) < 0) return -EPROTO; if (name == NULL) return -EINVAL; pw_log_info("[%s] SET_STREAM_NAME tag:%u channel:%d name:%s", client->name, tag, channel, name); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) return -ENOENT; items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MEDIA_NAME, name); pw_stream_update_properties(stream->stream, &SPA_DICT_INIT(items, 1)); return reply_simple_ack(client, tag); } static int do_update_proplist(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel, mode; struct stream *stream; struct pw_properties *props; int res; props = pw_properties_new(NULL, NULL); if (props == NULL) return -errno; if (command != COMMAND_UPDATE_CLIENT_PROPLIST) { if (message_get(m, TAG_U32, &channel, TAG_INVALID) < 0) goto error_protocol; } else { channel = SPA_ID_INVALID; } pw_log_info("[%s] %s tag:%u channel:%d", client->name, commands[command].name, tag, channel); if (message_get(m, TAG_U32, &mode, TAG_PROPLIST, props, TAG_INVALID) < 0) goto error_protocol; if (command != COMMAND_UPDATE_CLIENT_PROPLIST) { stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) goto error_noentity; pw_stream_update_properties(stream->stream, &props->dict); } else { if (pw_properties_update(client->props, &props->dict) > 0) { client_update_quirks(client); client->name = pw_properties_get(client->props, PW_KEY_APP_NAME); pw_core_update_properties(client->core, &client->props->dict); } } res = reply_simple_ack(client, tag); exit: pw_properties_free(props); return res; error_protocol: res = -EPROTO; goto exit; error_noentity: res = -ENOENT; goto exit; } static int do_remove_proplist(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t i, channel; struct stream *stream; struct pw_properties *props; struct spa_dict dict; struct spa_dict_item *items; int res; props = pw_properties_new(NULL, NULL); if (props == NULL) return -errno; if (command != COMMAND_REMOVE_CLIENT_PROPLIST) { if (message_get(m, TAG_U32, &channel, TAG_INVALID) < 0) goto error_protocol; } else { channel = SPA_ID_INVALID; } pw_log_info("[%s] %s tag:%u channel:%d", client->name, commands[command].name, tag, channel); while (true) { const char *key; if (message_get(m, TAG_STRING, &key, TAG_INVALID) < 0) goto error_protocol; if (key == NULL) break; pw_properties_set(props, key, key); } dict.n_items = props->dict.n_items; dict.items = items = alloca(sizeof(struct spa_dict_item) * dict.n_items); for (i = 0; i < dict.n_items; i++) { items[i].key = props->dict.items[i].key; items[i].value = NULL; } if (command != COMMAND_UPDATE_CLIENT_PROPLIST) { stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) goto error_noentity; pw_stream_update_properties(stream->stream, &dict); } else { pw_core_update_properties(client->core, &dict); } res = reply_simple_ack(client, tag); exit: pw_properties_free(props); return res; error_protocol: res = -EPROTO; goto exit; error_noentity: res = -ENOENT; goto exit; } static int do_get_server_info(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; struct pw_core_info *info = manager ? manager->info : NULL; char name[256]; struct message *reply; pw_log_info("[%s] GET_SERVER_INFO tag:%u", client->name, tag); snprintf(name, sizeof(name), "PulseAudio (on PipeWire %s)", pw_get_library_version()); reply = reply_new(client, tag); message_put(reply, TAG_STRING, name, TAG_STRING, "15.0.0", TAG_STRING, pw_get_user_name(), TAG_STRING, pw_get_host_name(), TAG_SAMPLE_SPEC, &impl->defs.sample_spec, TAG_STRING, manager ? get_default(client, true) : "", /* default sink name */ TAG_STRING, manager ? get_default(client, false) : "", /* default source name */ TAG_U32, info ? info->cookie : 0, /* cookie */ TAG_INVALID); if (client->version >= 15) { message_put(reply, TAG_CHANNEL_MAP, &impl->defs.channel_map, TAG_INVALID); } return client_queue_message(client, reply); } static int do_stat(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct message *reply; pw_log_info("[%s] STAT tag:%u", client->name, tag); reply = reply_new(client, tag); message_put(reply, TAG_U32, impl->stat.n_allocated, /* n_allocated */ TAG_U32, impl->stat.allocated, /* allocated size */ TAG_U32, impl->stat.n_accumulated, /* n_accumulated */ TAG_U32, impl->stat.accumulated, /* accumulated_size */ TAG_U32, impl->stat.sample_cache, /* sample cache size */ TAG_INVALID); return client_queue_message(client, reply); } static int do_lookup(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct message *reply; struct pw_manager_object *o; const char *name; bool is_sink = command == COMMAND_LOOKUP_SINK; bool is_monitor; if (message_get(m, TAG_STRING, &name, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] LOOKUP tag:%u name:'%s'", client->name, tag, name); if ((o = find_device(client, SPA_ID_INVALID, name, is_sink, &is_monitor)) == NULL) return -ENOENT; reply = reply_new(client, tag); message_put(reply, TAG_U32, o->index, TAG_INVALID); return client_queue_message(client, reply); } static int do_drain_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; struct stream *stream; if (message_get(m, TAG_U32, &channel, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] DRAIN tag:%u channel:%d", client->name, tag, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type != STREAM_TYPE_PLAYBACK) return -ENOENT; stream->drain_tag = tag; stream->draining = true; stream_set_paused(stream, false, "drain start"); return 0; } static int fill_client_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct pw_client_info *info = o->info; struct pw_manager *manager = client->manager; const char *str; uint32_t module_id = SPA_ID_INVALID; if (!pw_manager_object_is_client(o) || info == NULL || info->props == NULL) return -ENOENT; if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = (uint32_t)atoi(str); message_put(m, TAG_U32, o->index, /* client index */ TAG_STRING, pw_properties_get(o->props, PW_KEY_APP_NAME), TAG_U32, id_to_index(manager, module_id), /* module index */ TAG_STRING, "PipeWire", /* driver */ TAG_INVALID); if (client->version >= 13) { message_put(m, TAG_PROPLIST, info->props, TAG_INVALID); } return 0; } static int fill_module_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct pw_module_info *info = o->info; if (!pw_manager_object_is_module(o) || info == NULL || info->props == NULL) return -ENOENT; message_put(m, TAG_U32, o->index, /* module index */ TAG_STRING, info->name, TAG_STRING, info->args, TAG_U32, -1, /* n_used */ TAG_INVALID); if (client->version < 15) { message_put(m, TAG_BOOLEAN, false, /* auto unload deprecated */ TAG_INVALID); } if (client->version >= 15) { message_put(m, TAG_PROPLIST, info->props, TAG_INVALID); } return 0; } static int fill_ext_module_info(struct client *client, struct message *m, struct module *module) { message_put(m, TAG_U32, module->index, /* module index */ TAG_STRING, module->info->name, TAG_STRING, module->args, TAG_U32, -1, /* n_used */ TAG_INVALID); if (client->version < 15) { message_put(m, TAG_BOOLEAN, false, /* auto unload deprecated */ TAG_INVALID); } if (client->version >= 15) { message_put(m, TAG_PROPLIST, module->info->properties, TAG_INVALID); } return 0; } static int64_t get_port_latency_offset(struct client *client, struct pw_manager_object *card, struct port_info *pi) { struct pw_manager *m = client->manager; struct pw_manager_object *o; size_t j; /* * The latency offset is a property of nodes in PipeWire, so we look it up on the * nodes. We'll return the latency offset of the first node in the port. * * This is also because we need to be consistent with * send_latency_offset_subscribe_event, which sends events on node changes. The * route data might not be updated yet when these events arrive. */ for (j = 0; j < pi->n_devices; ++j) { spa_list_for_each(o, &m->object_list, link) { const char *str; uint32_t card_id = SPA_ID_INVALID; uint32_t device_id = SPA_ID_INVALID; struct pw_node_info *info; if (o->creating || o->removing) continue; if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source_or_monitor(o)) continue; if ((info = o->info) == NULL || info->props == NULL) continue; if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if (card_id != card->id) continue; if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) device_id = (uint32_t)atoi(str); if (device_id == pi->devices[j]) return get_node_latency_offset(o); } } return 0LL; } static int fill_card_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct pw_manager *manager = client->manager; struct pw_device_info *info = o->info; const char *str, *drv_name; uint32_t module_id = SPA_ID_INVALID, n_profiles, n; struct card_info card_info = CARD_INFO_INIT; struct profile_info *profile_info; if (!pw_manager_object_is_card(o) || info == NULL || info->props == NULL) return -ENOENT; if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = (uint32_t)atoi(str); drv_name = spa_dict_lookup(info->props, PW_KEY_DEVICE_API); if (drv_name && spa_streq("bluez5", drv_name)) drv_name = "module-bluez5-device.c"; /* blueman needs this */ message_put(m, TAG_U32, o->index, /* card index */ TAG_STRING, spa_dict_lookup(info->props, PW_KEY_DEVICE_NAME), TAG_U32, id_to_index(manager, module_id), TAG_STRING, drv_name, TAG_INVALID); collect_card_info(o, &card_info); message_put(m, TAG_U32, card_info.n_profiles, /* n_profiles */ TAG_INVALID); profile_info = alloca(card_info.n_profiles * sizeof(*profile_info)); n_profiles = collect_profile_info(o, &card_info, profile_info); for (n = 0; n < n_profiles; n++) { struct profile_info *pi = &profile_info[n]; message_put(m, TAG_STRING, pi->name, /* profile name */ TAG_STRING, pi->description, /* profile description */ TAG_U32, pi->n_sinks, /* n_sinks */ TAG_U32, pi->n_sources, /* n_sources */ TAG_U32, pi->priority, /* priority */ TAG_INVALID); if (client->version >= 29) { message_put(m, TAG_U32, pi->available != SPA_PARAM_AVAILABILITY_no, /* available */ TAG_INVALID); } } message_put(m, TAG_STRING, card_info.active_profile_name, /* active profile name */ TAG_PROPLIST, info->props, TAG_INVALID); if (client->version >= 26) { uint32_t n_ports; struct port_info *port_info, *pi; port_info = alloca(card_info.n_ports * sizeof(*port_info)); card_info.active_profile = SPA_ID_INVALID; n_ports = collect_port_info(o, &card_info, NULL, port_info); message_put(m, TAG_U32, n_ports, /* n_ports */ TAG_INVALID); for (n = 0; n < n_ports; n++) { struct spa_dict_item *items; struct spa_dict *pdict = NULL, dict; uint32_t i, pi_n_profiles; pi = &port_info[n]; if (pi->info && pi->n_props > 0) { items = alloca(pi->n_props * sizeof(*items)); dict.items = items; pdict = collect_props(pi->info, &dict); } message_put(m, TAG_STRING, pi->name, /* port name */ TAG_STRING, pi->description, /* port description */ TAG_U32, pi->priority, /* port priority */ TAG_U32, pi->available, /* port available */ TAG_U8, pi->direction == SPA_DIRECTION_INPUT ? 2 : 1, /* port direction */ TAG_PROPLIST, pdict, /* port proplist */ TAG_INVALID); pi_n_profiles = SPA_MIN(pi->n_profiles, n_profiles); if (pi->n_profiles != pi_n_profiles) { /* libpulse assumes port profile array size <= n_profiles */ pw_log_error("%p: card %d port %d profiles inconsistent (%d < %d)", client->impl, o->id, n, n_profiles, pi->n_profiles); } message_put(m, TAG_U32, pi_n_profiles, /* n_profiles */ TAG_INVALID); for (i = 0; i < pi_n_profiles; i++) { uint32_t j; const char *name = "off"; for (j = 0; j < n_profiles; ++j) { if (profile_info[j].index == pi->profiles[i]) { name = profile_info[j].name; break; } } message_put(m, TAG_STRING, name, /* profile name */ TAG_INVALID); } if (client->version >= 27) { int64_t latency_offset = get_port_latency_offset(client, o, pi); message_put(m, TAG_S64, latency_offset / 1000, /* port latency offset */ TAG_INVALID); } if (client->version >= 34) { message_put(m, TAG_STRING, pi->availability_group, /* available group */ TAG_U32, pi->type, /* port type */ TAG_INVALID); } } } return 0; } static int fill_sink_info_proplist(struct message *m, const struct spa_dict *sink_props, const struct pw_manager_object *card) { struct pw_device_info *card_info = card ? card->info : NULL; struct pw_properties *props = NULL; if (card_info && card_info->props) { props = pw_properties_new_dict(sink_props); if (props == NULL) return -ENOMEM; pw_properties_add(props, card_info->props); sink_props = &props->dict; } message_put(m, TAG_PROPLIST, sink_props, TAG_INVALID); pw_properties_free(props); return 0; } static bool validate_device_info(struct device_info *dev_info) { return sample_spec_valid(&dev_info->ss) && channel_map_valid(&dev_info->map) && volume_valid(&dev_info->volume_info.volume); } static int fill_sink_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct impl *impl = client->impl; struct pw_node_info *info = o->info; struct pw_manager *manager = client->manager; const char *name, *desc, *str; char *monitor_name = NULL; uint32_t module_id = SPA_ID_INVALID; uint32_t card_id = SPA_ID_INVALID; struct pw_manager_object *card = NULL; uint32_t flags; struct card_info card_info = CARD_INFO_INIT; struct device_info dev_info = DEVICE_INFO_INIT(PW_DIRECTION_OUTPUT); size_t size; if (!pw_manager_object_is_sink(o) || info == NULL || info->props == NULL) return -ENOENT; name = spa_dict_lookup(info->props, PW_KEY_NODE_NAME); if ((desc = spa_dict_lookup(info->props, PW_KEY_NODE_DESCRIPTION)) == NULL) desc = name ? name : "Unknown"; if (name == NULL) name = "unknown"; size = strlen(name) + 10; monitor_name = alloca(size); if (pw_manager_object_is_source(o)) snprintf(monitor_name, size, "%s", name); else snprintf(monitor_name, size, "%s.monitor", name); if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = id_to_index(manager, (uint32_t)atoi(str)); if (module_id == SPA_ID_INVALID && (str = spa_dict_lookup(info->props, "pulse.module.id")) != NULL) module_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) dev_info.device = (uint32_t)atoi(str); if (card_id != SPA_ID_INVALID) { struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; card = select_object(manager, &sel); } if (card) collect_card_info(card, &card_info); collect_device_info(o, card, &dev_info, false, &impl->defs); if (!validate_device_info(&dev_info)) { pw_log_warn("%d: sink not ready: sample:%d map:%d volume:%d", o->id, sample_spec_valid(&dev_info.ss), channel_map_valid(&dev_info.map), volume_valid(&dev_info.volume_info.volume)); return -ENOENT; } flags = SINK_LATENCY | SINK_DYNAMIC_LATENCY | SINK_DECIBEL_VOLUME; if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_API)) != NULL) flags |= SINK_HARDWARE; if ((str = spa_dict_lookup(info->props, PW_KEY_NODE_NETWORK)) != NULL) flags |= SINK_NETWORK; if (SPA_FLAG_IS_SET(dev_info.volume_info.flags, VOLUME_HW_VOLUME)) flags |= SINK_HW_VOLUME_CTRL; if (SPA_FLAG_IS_SET(dev_info.volume_info.flags, VOLUME_HW_MUTE)) flags |= SINK_HW_MUTE_CTRL; if (dev_info.have_iec958codecs) flags |= SINK_SET_FORMATS; if (client->quirks & QUIRK_FORCE_S16_FORMAT) dev_info.ss.format = SPA_AUDIO_FORMAT_S16; message_put(m, TAG_U32, o->index, /* sink index */ TAG_STRING, name, TAG_STRING, desc, TAG_SAMPLE_SPEC, &dev_info.ss, TAG_CHANNEL_MAP, &dev_info.map, TAG_U32, module_id, /* module index */ TAG_CVOLUME, &dev_info.volume_info.volume, TAG_BOOLEAN, dev_info.volume_info.mute, TAG_U32, o->index, /* monitor source index */ TAG_STRING, monitor_name, /* monitor source name */ TAG_USEC, 0LL, /* latency */ TAG_STRING, "PipeWire", /* driver */ TAG_U32, flags, /* flags */ TAG_INVALID); if (client->version >= 13) { int res; if ((res = fill_sink_info_proplist(m, info->props, card)) < 0) return res; message_put(m, TAG_USEC, 0LL, /* requested latency */ TAG_INVALID); } if (client->version >= 15) { bool is_linked = collect_is_linked(manager, o->id, SPA_DIRECTION_INPUT); int state = node_state(info->state); /* running with nothing linked is probably the monitor that is * keeping this sink busy */ if (state == STATE_RUNNING && !is_linked) state = STATE_IDLE; message_put(m, TAG_VOLUME, dev_info.volume_info.base, /* base volume */ TAG_U32, state, /* state */ TAG_U32, dev_info.volume_info.steps, /* n_volume_steps */ TAG_U32, card ? card->index : SPA_ID_INVALID, /* card index */ TAG_INVALID); } if (client->version >= 16) { uint32_t n_ports, n; struct port_info *port_info, *pi; port_info = alloca(card_info.n_ports * sizeof(*port_info)); n_ports = collect_port_info(card, &card_info, &dev_info, port_info); message_put(m, TAG_U32, n_ports, /* n_ports */ TAG_INVALID); for (n = 0; n < n_ports; n++) { pi = &port_info[n]; message_put(m, TAG_STRING, pi->name, /* name */ TAG_STRING, pi->description, /* description */ TAG_U32, pi->priority, /* priority */ TAG_INVALID); if (client->version >= 24) { message_put(m, TAG_U32, pi->available, /* available */ TAG_INVALID); } if (client->version >= 34) { message_put(m, TAG_STRING, pi->availability_group, /* availability_group */ TAG_U32, pi->type, /* type */ TAG_INVALID); } } message_put(m, TAG_STRING, dev_info.active_port_name, /* active port name */ TAG_INVALID); } if (client->version >= 21) { struct pw_manager_param *p; struct format_info info[32]; uint32_t i, n_info = 0; spa_list_for_each(p, &o->param_list, link) { uint32_t index = 0; if (p->id != SPA_PARAM_EnumFormat) continue; while (n_info < SPA_N_ELEMENTS(info)) { spa_zero(info[n_info]); if (format_info_from_param(&info[n_info], p->param, index++) < 0) break; if (info[n_info].encoding == ENCODING_ANY || (info[n_info].encoding == ENCODING_PCM && info[n_info].props != NULL)) { format_info_clear(&info[n_info]); continue; } n_info++; } } message_put(m, TAG_U8, n_info, /* n_formats */ TAG_INVALID); for (i = 0; i < n_info; i++) { message_put(m, TAG_FORMAT_INFO, &info[i], TAG_INVALID); format_info_clear(&info[i]); } } return 0; } static int fill_source_info_proplist(struct message *m, const struct spa_dict *source_props, const struct pw_manager_object *card, const bool is_monitor) { struct pw_device_info *card_info = card ? card->info : NULL; struct pw_properties *props = NULL; if ((card_info && card_info->props) || is_monitor) { props = pw_properties_new_dict(source_props); if (props == NULL) return -ENOMEM; if (card_info && card_info->props) pw_properties_add(props, card_info->props); if (is_monitor) pw_properties_set(props, PW_KEY_DEVICE_CLASS, "monitor"); source_props = &props->dict; } message_put(m, TAG_PROPLIST, source_props, TAG_INVALID); pw_properties_free(props); return 0; } static int fill_source_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct impl *impl = client->impl; struct pw_node_info *info = o->info; struct pw_manager *manager = client->manager; bool is_monitor; const char *name, *desc, *str; char *monitor_name = NULL; char *monitor_desc = NULL; uint32_t module_id = SPA_ID_INVALID; uint32_t card_id = SPA_ID_INVALID; struct pw_manager_object *card = NULL; uint32_t flags; struct card_info card_info = CARD_INFO_INIT; struct device_info dev_info = DEVICE_INFO_INIT(PW_DIRECTION_INPUT); size_t size; is_monitor = pw_manager_object_is_monitor(o); if ((!pw_manager_object_is_source(o) && !is_monitor) || info == NULL || info->props == NULL) return -ENOENT; name = spa_dict_lookup(info->props, PW_KEY_NODE_NAME); if ((desc = spa_dict_lookup(info->props, PW_KEY_NODE_DESCRIPTION)) == NULL) desc = name ? name : "Unknown"; if (name == NULL) name = "unknown"; size = strlen(name) + 10; monitor_name = alloca(size); snprintf(monitor_name, size, "%s.monitor", name); size = strlen(desc) + 20; monitor_desc = alloca(size); snprintf(monitor_desc, size, "Monitor of %s", desc); if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = id_to_index(manager, (uint32_t)atoi(str)); if (module_id == SPA_ID_INVALID && (str = spa_dict_lookup(info->props, "pulse.module.id")) != NULL) module_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) card_id = (uint32_t)atoi(str); if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) dev_info.device = (uint32_t)atoi(str); if (card_id != SPA_ID_INVALID) { struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; card = select_object(manager, &sel); } if (card) collect_card_info(card, &card_info); collect_device_info(o, card, &dev_info, is_monitor, &impl->defs); if (!validate_device_info(&dev_info)) { pw_log_warn("%d: source not ready: sample:%d map:%d volume:%d", o->id, sample_spec_valid(&dev_info.ss), channel_map_valid(&dev_info.map), volume_valid(&dev_info.volume_info.volume)); return -ENOENT; } flags = SOURCE_LATENCY | SOURCE_DYNAMIC_LATENCY | SOURCE_DECIBEL_VOLUME; if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_API)) != NULL) flags |= SOURCE_HARDWARE; if ((str = spa_dict_lookup(info->props, PW_KEY_NODE_NETWORK)) != NULL) flags |= SOURCE_NETWORK; if (SPA_FLAG_IS_SET(dev_info.volume_info.flags, VOLUME_HW_VOLUME)) flags |= SOURCE_HW_VOLUME_CTRL; if (SPA_FLAG_IS_SET(dev_info.volume_info.flags, VOLUME_HW_MUTE)) flags |= SOURCE_HW_MUTE_CTRL; if (client->quirks & QUIRK_FORCE_S16_FORMAT) dev_info.ss.format = SPA_AUDIO_FORMAT_S16; message_put(m, TAG_U32, o->index, /* source index */ TAG_STRING, is_monitor ? monitor_name : name, TAG_STRING, is_monitor ? monitor_desc : desc, TAG_SAMPLE_SPEC, &dev_info.ss, TAG_CHANNEL_MAP, &dev_info.map, TAG_U32, module_id, /* module index */ TAG_CVOLUME, &dev_info.volume_info.volume, TAG_BOOLEAN, dev_info.volume_info.mute, TAG_U32, is_monitor ? o->index : SPA_ID_INVALID,/* monitor of sink */ TAG_STRING, is_monitor ? name : NULL, /* monitor of sink name */ TAG_USEC, 0LL, /* latency */ TAG_STRING, "PipeWire", /* driver */ TAG_U32, flags, /* flags */ TAG_INVALID); if (client->version >= 13) { int res; if ((res = fill_source_info_proplist(m, info->props, card, is_monitor)) < 0) return res; message_put(m, TAG_USEC, 0LL, /* requested latency */ TAG_INVALID); } if (client->version >= 15) { bool is_linked = collect_is_linked(manager, o->id, SPA_DIRECTION_OUTPUT); int state = node_state(info->state); /* running with nothing linked is probably the sink that is * keeping this source busy */ if (state == STATE_RUNNING && !is_linked) state = STATE_IDLE; message_put(m, TAG_VOLUME, dev_info.volume_info.base, /* base volume */ TAG_U32, state, /* state */ TAG_U32, dev_info.volume_info.steps, /* n_volume_steps */ TAG_U32, card ? card->index : SPA_ID_INVALID, /* card index */ TAG_INVALID); } if (client->version >= 16) { uint32_t n_ports, n; struct port_info *port_info, *pi; port_info = alloca(card_info.n_ports * sizeof(*port_info)); n_ports = collect_port_info(card, &card_info, &dev_info, port_info); message_put(m, TAG_U32, n_ports, /* n_ports */ TAG_INVALID); for (n = 0; n < n_ports; n++) { pi = &port_info[n]; message_put(m, TAG_STRING, pi->name, /* name */ TAG_STRING, pi->description, /* description */ TAG_U32, pi->priority, /* priority */ TAG_INVALID); if (client->version >= 24) { message_put(m, TAG_U32, pi->available, /* available */ TAG_INVALID); } if (client->version >= 34) { message_put(m, TAG_STRING, pi->availability_group, /* availability_group */ TAG_U32, pi->type, /* type */ TAG_INVALID); } } message_put(m, TAG_STRING, dev_info.active_port_name, /* active port name */ TAG_INVALID); } if (client->version >= 21) { struct format_info info; spa_zero(info); info.encoding = ENCODING_PCM; message_put(m, TAG_U8, 1, /* n_formats */ TAG_FORMAT_INFO, &info, TAG_INVALID); } return 0; } static const char *get_media_name(struct pw_node_info *info) { const char *media_name; media_name = spa_dict_lookup(info->props, PW_KEY_MEDIA_NAME); if (media_name == NULL) media_name = ""; return media_name; } static int fill_sink_input_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct impl *impl = client->impl; struct pw_node_info *info = o->info; struct pw_manager *manager = client->manager; const char *str; uint32_t module_id = SPA_ID_INVALID, client_id = SPA_ID_INVALID; uint32_t peer_index; struct device_info dev_info = DEVICE_INFO_INIT(PW_DIRECTION_OUTPUT); if (!pw_manager_object_is_sink_input(o) || info == NULL || info->props == NULL) return -ENOENT; if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = id_to_index(manager, (uint32_t)atoi(str)); if (module_id == SPA_ID_INVALID && (str = spa_dict_lookup(info->props, "pulse.module.id")) != NULL) module_id = (uint32_t)atoi(str); if (!pw_manager_object_is_virtual(o) && (str = spa_dict_lookup(info->props, PW_KEY_CLIENT_ID)) != NULL) client_id = (uint32_t)atoi(str); collect_device_info(o, NULL, &dev_info, false, &impl->defs); if (!validate_device_info(&dev_info)) return -ENOENT; peer_index = get_temporary_move_target(client, o); if (peer_index == SPA_ID_INVALID) { struct pw_manager_object *peer; peer = find_linked(manager, o->id, PW_DIRECTION_OUTPUT); if (peer && pw_manager_object_is_sink(peer)) peer_index = peer->index; else peer_index = SPA_ID_INVALID; } message_put(m, TAG_U32, o->index, /* sink_input index */ TAG_STRING, get_media_name(info), TAG_U32, module_id, /* module index */ TAG_U32, id_to_index(manager, client_id), /* client index */ TAG_U32, peer_index, /* sink index */ TAG_SAMPLE_SPEC, &dev_info.ss, TAG_CHANNEL_MAP, &dev_info.map, TAG_CVOLUME, &dev_info.volume_info.volume, TAG_USEC, 0LL, /* latency */ TAG_USEC, 0LL, /* sink latency */ TAG_STRING, "PipeWire", /* resample method */ TAG_STRING, "PipeWire", /* driver */ TAG_INVALID); if (client->version >= 11) message_put(m, TAG_BOOLEAN, dev_info.volume_info.mute, /* muted */ TAG_INVALID); if (client->version >= 13) message_put(m, TAG_PROPLIST, info->props, TAG_INVALID); if (client->version >= 19) message_put(m, TAG_BOOLEAN, info->state != PW_NODE_STATE_RUNNING, /* corked */ TAG_INVALID); if (client->version >= 20) message_put(m, TAG_BOOLEAN, true, /* has_volume */ TAG_BOOLEAN, true, /* volume writable */ TAG_INVALID); if (client->version >= 21) { struct format_info fi; format_info_from_spec(&fi, &dev_info.ss, &dev_info.map); message_put(m, TAG_FORMAT_INFO, &fi, TAG_INVALID); format_info_clear(&fi); } return 0; } static int fill_source_output_info(struct client *client, struct message *m, struct pw_manager_object *o) { struct impl *impl = client->impl; struct pw_node_info *info = o->info; struct pw_manager *manager = client->manager; const char *str; uint32_t module_id = SPA_ID_INVALID, client_id = SPA_ID_INVALID; uint32_t peer_index; struct device_info dev_info = DEVICE_INFO_INIT(PW_DIRECTION_INPUT); if (!pw_manager_object_is_source_output(o) || info == NULL || info->props == NULL) return -ENOENT; if ((str = spa_dict_lookup(info->props, PW_KEY_MODULE_ID)) != NULL) module_id = id_to_index(manager, (uint32_t)atoi(str)); if (module_id == SPA_ID_INVALID && (str = spa_dict_lookup(info->props, "pulse.module.id")) != NULL) module_id = (uint32_t)atoi(str); if (!pw_manager_object_is_virtual(o) && (str = spa_dict_lookup(info->props, PW_KEY_CLIENT_ID)) != NULL) client_id = (uint32_t)atoi(str); collect_device_info(o, NULL, &dev_info, false, &impl->defs); if (!validate_device_info(&dev_info)) return -ENOENT; peer_index = get_temporary_move_target(client, o); if (peer_index == SPA_ID_INVALID) { struct pw_manager_object *peer; peer = find_linked(manager, o->id, PW_DIRECTION_INPUT); if (peer && pw_manager_object_is_source_or_monitor(peer)) peer_index = peer->index; else peer_index = SPA_ID_INVALID; } message_put(m, TAG_U32, o->index, /* source_output index */ TAG_STRING, get_media_name(info), TAG_U32, module_id, /* module index */ TAG_U32, id_to_index(manager, client_id), /* client index */ TAG_U32, peer_index, /* source index */ TAG_SAMPLE_SPEC, &dev_info.ss, TAG_CHANNEL_MAP, &dev_info.map, TAG_USEC, 0LL, /* latency */ TAG_USEC, 0LL, /* source latency */ TAG_STRING, "PipeWire", /* resample method */ TAG_STRING, "PipeWire", /* driver */ TAG_INVALID); if (client->version >= 13) message_put(m, TAG_PROPLIST, info->props, TAG_INVALID); if (client->version >= 19) message_put(m, TAG_BOOLEAN, info->state != PW_NODE_STATE_RUNNING, /* corked */ TAG_INVALID); if (client->version >= 22) { struct format_info fi; format_info_from_spec(&fi, &dev_info.ss, &dev_info.map); message_put(m, TAG_CVOLUME, &dev_info.volume_info.volume, TAG_BOOLEAN, dev_info.volume_info.mute, /* muted */ TAG_BOOLEAN, true, /* has_volume */ TAG_BOOLEAN, true, /* volume writable */ TAG_FORMAT_INFO, &fi, TAG_INVALID); format_info_clear(&fi); } return 0; } static int do_get_info(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; struct message *reply = NULL; int res; struct pw_manager_object *o; struct selector sel; int (*fill_func) (struct client *client, struct message *m, struct pw_manager_object *o) = NULL; spa_zero(sel); if (message_get(m, TAG_U32, &sel.index, TAG_INVALID) < 0) goto error_protocol; reply = reply_new(client, tag); if (command == COMMAND_GET_MODULE_INFO && (sel.index & MODULE_FLAG) != 0) { struct module *module; module = pw_map_lookup(&impl->modules, sel.index & MODULE_INDEX_MASK); if (module == NULL) goto error_noentity; fill_ext_module_info(client, reply, module); return client_queue_message(client, reply); } switch (command) { case COMMAND_GET_CLIENT_INFO: sel.type = pw_manager_object_is_client; fill_func = fill_client_info; break; case COMMAND_GET_MODULE_INFO: sel.type = pw_manager_object_is_module; fill_func = fill_module_info; break; case COMMAND_GET_CARD_INFO: sel.type = pw_manager_object_is_card; sel.key = PW_KEY_DEVICE_NAME; fill_func = fill_card_info; break; case COMMAND_GET_SINK_INFO: sel.type = pw_manager_object_is_sink; sel.key = PW_KEY_NODE_NAME; fill_func = fill_sink_info; break; case COMMAND_GET_SOURCE_INFO: sel.type = pw_manager_object_is_source_or_monitor; sel.key = PW_KEY_NODE_NAME; fill_func = fill_source_info; break; case COMMAND_GET_SINK_INPUT_INFO: sel.type = pw_manager_object_is_sink_input; fill_func = fill_sink_input_info; break; case COMMAND_GET_SOURCE_OUTPUT_INFO: sel.type = pw_manager_object_is_source_output; fill_func = fill_source_output_info; break; } if (sel.key) { if (message_get(m, TAG_STRING, &sel.value, TAG_INVALID) < 0) goto error_protocol; } if (fill_func == NULL) goto error_invalid; if (sel.index != SPA_ID_INVALID && sel.value != NULL) goto error_invalid; pw_log_info("[%s] %s tag:%u index:%u name:%s", client->name, commands[command].name, tag, sel.index, sel.value); if (command == COMMAND_GET_SINK_INFO || command == COMMAND_GET_SOURCE_INFO) { o = find_device(client, sel.index, sel.value, command == COMMAND_GET_SINK_INFO, NULL); } else { if (sel.value == NULL && sel.index == SPA_ID_INVALID) goto error_invalid; o = select_object(manager, &sel); } if (o == NULL) goto error_noentity; if ((res = fill_func(client, reply, o)) < 0) goto error; return client_queue_message(client, reply); error_protocol: res = -EPROTO; goto error; error_noentity: res = -ENOENT; goto error; error_invalid: res = -EINVAL; goto error; error: if (reply) message_free(reply, false, false); return res; } static uint64_t bytes_to_usec(uint64_t length, const struct sample_spec *ss) { uint64_t u; uint64_t frame_size = sample_spec_frame_size(ss); if (frame_size == 0) return 0; u = length / frame_size; u *= SPA_USEC_PER_SEC; u /= ss->rate; return u; } static int fill_sample_info(struct client *client, struct message *m, struct sample *sample) { struct volume vol; volume_make(&vol, sample->ss.channels); message_put(m, TAG_U32, sample->index, TAG_STRING, sample->name, TAG_CVOLUME, &vol, TAG_USEC, bytes_to_usec(sample->length, &sample->ss), TAG_SAMPLE_SPEC, &sample->ss, TAG_CHANNEL_MAP, &sample->map, TAG_U32, sample->length, TAG_BOOLEAN, false, /* lazy */ TAG_STRING, NULL, /* filename */ TAG_INVALID); if (client->version >= 13) { message_put(m, TAG_PROPLIST, &sample->props->dict, TAG_INVALID); } return 0; } static int do_get_sample_info(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct message *reply = NULL; uint32_t index; const char *name; struct sample *sample; int res; if (message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_INVALID) < 0) return -EPROTO; if ((index == SPA_ID_INVALID && name == NULL) || (index != SPA_ID_INVALID && name != NULL)) return -EINVAL; pw_log_info("[%s] %s tag:%u index:%u name:%s", client->name, commands[command].name, tag, index, name); if ((sample = find_sample(impl, index, name)) == NULL) return -ENOENT; reply = reply_new(client, tag); if ((res = fill_sample_info(client, reply, sample)) < 0) goto error; return client_queue_message(client, reply); error: if (reply) message_free(reply, false, false); return res; } static int do_get_sample_info_list(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct message *reply; union pw_map_item *item; pw_log_info("[%s] %s tag:%u", client->name, commands[command].name, tag); reply = reply_new(client, tag); pw_array_for_each(item, &impl->samples.items) { struct sample *s = item->data; if (pw_map_item_is_free(item)) continue; fill_sample_info(client, reply, s); } return client_queue_message(client, reply); } struct info_list_data { struct client *client; struct message *reply; int (*fill_func) (struct client *client, struct message *m, struct pw_manager_object *o); }; static int do_list_info(void *data, struct pw_manager_object *object) { struct info_list_data *info = data; info->fill_func(info->client, info->reply, object); return 0; } static int do_info_list_module(void *item, void *data) { struct module *m = item; struct info_list_data *info = data; fill_ext_module_info(info->client, info->reply, m); return 0; } static int do_get_info_list(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; struct info_list_data info; pw_log_info("[%s] %s tag:%u", client->name, commands[command].name, tag); spa_zero(info); info.client = client; switch (command) { case COMMAND_GET_CLIENT_INFO_LIST: info.fill_func = fill_client_info; break; case COMMAND_GET_MODULE_INFO_LIST: info.fill_func = fill_module_info; break; case COMMAND_GET_CARD_INFO_LIST: info.fill_func = fill_card_info; break; case COMMAND_GET_SINK_INFO_LIST: info.fill_func = fill_sink_info; break; case COMMAND_GET_SOURCE_INFO_LIST: info.fill_func = fill_source_info; break; case COMMAND_GET_SINK_INPUT_INFO_LIST: info.fill_func = fill_sink_input_info; break; case COMMAND_GET_SOURCE_OUTPUT_INFO_LIST: info.fill_func = fill_source_output_info; break; default: return -ENOTSUP; } info.reply = reply_new(client, tag); if (info.fill_func) pw_manager_for_each_object(manager, do_list_info, &info); if (command == COMMAND_GET_MODULE_INFO_LIST) pw_map_for_each(&impl->modules, do_info_list_module, &info); return client_queue_message(client, info.reply); } static int do_set_stream_buffer_attr(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel; struct stream *stream; struct message *reply; struct buffer_attr attr; bool adjust_latency = false, early_requests = false; if (message_get(m, TAG_U32, &channel, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u channel:%u", client->name, commands[command].name, tag, channel); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL) return -ENOENT; if (command == COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) { if (stream->type != STREAM_TYPE_PLAYBACK) return -ENOENT; if (message_get(m, TAG_U32, &attr.maxlength, TAG_U32, &attr.tlength, TAG_U32, &attr.prebuf, TAG_U32, &attr.minreq, TAG_INVALID) < 0) return -EPROTO; } else { if (stream->type != STREAM_TYPE_RECORD) return -ENOENT; if (message_get(m, TAG_U32, &attr.maxlength, TAG_U32, &attr.fragsize, TAG_INVALID) < 0) return -EPROTO; } if (client->version >= 13) { if (message_get(m, TAG_BOOLEAN, &adjust_latency, TAG_INVALID) < 0) return -EPROTO; } if (client->version >= 14) { if (message_get(m, TAG_BOOLEAN, &early_requests, TAG_INVALID) < 0) return -EPROTO; } reply = reply_new(client, tag); stream->adjust_latency = adjust_latency; stream->early_requests = early_requests; if (command == COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) { stream->lat_usec = set_playback_buffer_attr(stream, &attr); message_put(reply, TAG_U32, stream->attr.maxlength, TAG_U32, stream->attr.tlength, TAG_U32, stream->attr.prebuf, TAG_U32, stream->attr.minreq, TAG_INVALID); if (client->version >= 13) { message_put(reply, TAG_USEC, stream->lat_usec, /* configured_sink_latency */ TAG_INVALID); } } else { stream->lat_usec = set_record_buffer_attr(stream, &attr); message_put(reply, TAG_U32, stream->attr.maxlength, TAG_U32, stream->attr.fragsize, TAG_INVALID); if (client->version >= 13) { message_put(reply, TAG_USEC, stream->lat_usec, /* configured_source_latency */ TAG_INVALID); } } return client_queue_message(client, reply); } static int do_update_stream_sample_rate(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t channel, rate; struct stream *stream; float corr; if (message_get(m, TAG_U32, &channel, TAG_U32, &rate, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u channel:%u rate:%u", client->name, commands[command].name, tag, channel, rate); stream = pw_map_lookup(&client->streams, channel); if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD) return -ENOENT; stream->rate = rate; corr = (double)rate/(double)stream->ss.rate; pw_stream_set_control(stream->stream, SPA_PROP_rate, 1, &corr, NULL); return reply_simple_ack(client, tag); } static int do_extension(struct client *client, uint32_t command, uint32_t tag, struct message *m) { uint32_t index; const char *name; const struct extension *ext; if (message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s", client->name, commands[command].name, tag, index, name); if ((index == SPA_ID_INVALID && name == NULL) || (index != SPA_ID_INVALID && name != NULL)) return -EINVAL; ext = extension_find(index, name); if (ext == NULL) return -ENOENT; return ext->process(client, tag, m); } static int do_set_profile(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; struct pw_manager_object *o; const char *profile_name; uint32_t profile_index = SPA_ID_INVALID; struct selector sel; char buf[1024]; struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf)); spa_zero(sel); sel.key = PW_KEY_DEVICE_NAME; sel.type = pw_manager_object_is_card; if (message_get(m, TAG_U32, &sel.index, TAG_STRING, &sel.value, TAG_STRING, &profile_name, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s profile:%s", client->name, commands[command].name, tag, sel.index, sel.value, profile_name); if ((sel.index == SPA_ID_INVALID && sel.value == NULL) || (sel.index != SPA_ID_INVALID && sel.value != NULL)) return -EINVAL; if (profile_name == NULL) return -EINVAL; if ((o = select_object(manager, &sel)) == NULL) return -ENOENT; if ((profile_index = find_profile_index(o, profile_name)) == SPA_ID_INVALID) return -ENOENT; if (!SPA_FLAG_IS_SET(o->permissions, PW_PERM_W | PW_PERM_X)) return -EACCES; if (o->proxy == NULL) return -ENOENT; pw_device_set_param((struct pw_device*)o->proxy, SPA_PARAM_Profile, 0, spa_pod_builder_add_object(&b, SPA_TYPE_OBJECT_ParamProfile, SPA_PARAM_Profile, SPA_PARAM_PROFILE_index, SPA_POD_Int(profile_index), SPA_PARAM_PROFILE_save, SPA_POD_Bool(true))); return operation_new(client, tag); } static int do_set_default(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; struct pw_manager_object *o; const char *name, *str; int res; bool sink = command == COMMAND_SET_DEFAULT_SINK; if (message_get(m, TAG_STRING, &name, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u name:%s", client->name, commands[command].name, tag, name); if (name != NULL && (o = find_device(client, SPA_ID_INVALID, name, sink, NULL)) == NULL) return -ENOENT; if (name != NULL) { if (o->props && (str = pw_properties_get(o->props, PW_KEY_NODE_NAME)) != NULL) name = str; else if (spa_strendswith(name, ".monitor")) name = strndupa(name, strlen(name)-8); res = pw_manager_set_metadata(manager, client->metadata_default, PW_ID_CORE, sink ? METADATA_CONFIG_DEFAULT_SINK : METADATA_CONFIG_DEFAULT_SOURCE, "Spa:String:JSON", "{ \"name\": \"%s\" }", name); } else { res = pw_manager_set_metadata(manager, client->metadata_default, PW_ID_CORE, sink ? METADATA_CONFIG_DEFAULT_SINK : METADATA_CONFIG_DEFAULT_SOURCE, NULL, NULL); } if (res < 0) return res; /* * The metadata is not necessarily updated within one server sync. * Correct functioning of MOVE_* commands requires knowing the current * default target, so we need to stash temporary values here in case * the client emits them before metadata gets updated. */ if (sink) { free(client->temporary_default_sink); client->temporary_default_sink = name ? strdup(name) : NULL; } else { free(client->temporary_default_source); client->temporary_default_source = name ? strdup(name) : NULL; } return operation_new(client, tag); } static int do_suspend(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager_object *o; const char *name; uint32_t index, cmd; bool sink = command == COMMAND_SUSPEND_SINK, suspend; if (message_get(m, TAG_U32, &index, TAG_STRING, &name, TAG_BOOLEAN, &suspend, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u name:%s", client->name, commands[command].name, tag, index, name); if ((o = find_device(client, index, name, sink, NULL)) == NULL) return -ENOENT; if (o->proxy == NULL) return -ENOENT; if (suspend) { cmd = SPA_NODE_COMMAND_Suspend; pw_node_send_command((struct pw_node*)o->proxy, &SPA_NODE_COMMAND_INIT(cmd)); } return operation_new(client, tag); } static int do_move_stream(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; struct pw_manager_object *o, *dev, *dev_default; uint32_t index, index_device; int target_id; int64_t target_serial; const char *name_device; const char *name; struct pw_node_info *info; struct selector sel; int res; bool sink = command == COMMAND_MOVE_SINK_INPUT; if (message_get(m, TAG_U32, &index, TAG_U32, &index_device, TAG_STRING, &name_device, TAG_INVALID) < 0) return -EPROTO; if ((index_device == SPA_ID_INVALID && name_device == NULL) || (index_device != SPA_ID_INVALID && name_device != NULL)) return -EINVAL; pw_log_info("[%s] %s tag:%u index:%u device:%d name:%s", client->name, commands[command].name, tag, index, index_device, name_device); spa_zero(sel); sel.index = index; sel.type = sink ? pw_manager_object_is_sink_input: pw_manager_object_is_source_output; o = select_object(manager, &sel); if (o == NULL) return -ENOENT; info = o->info; if (info == NULL || info->props == NULL) return -EINVAL; if (spa_atob(spa_dict_lookup(info->props, PW_KEY_NODE_DONT_RECONNECT))) return -EINVAL; if ((dev = find_device(client, index_device, name_device, sink, NULL)) == NULL) return -ENOENT; /* * The client metadata is not necessarily yet updated after SET_DEFAULT command, * so use the temporary values if they are still set. */ name = sink ? client->temporary_default_sink : client->temporary_default_source; dev_default = find_device(client, SPA_ID_INVALID, name, sink, NULL); if (dev == dev_default) { /* * When moving streams to a node that is equal to the default, * Pulseaudio understands this to mean '... and unset preferred sink/source', * forgetting target.node. Follow that behavior here. */ target_id = -1; target_serial = -1; } else { target_id = dev->id; target_serial = dev->serial; } if ((res = pw_manager_set_metadata(manager, client->metadata_default, o->id, METADATA_TARGET_NODE, SPA_TYPE_INFO_BASE"Id", "%d", target_id)) < 0) return res; if ((res = pw_manager_set_metadata(manager, client->metadata_default, o->id, METADATA_TARGET_OBJECT, SPA_TYPE_INFO_BASE"Id", "%"PRIi64, target_serial)) < 0) return res; name = spa_dict_lookup(info->props, PW_KEY_NODE_NAME); pw_log_debug("[%s] %s done tag:%u index:%u name:%s target:%d target-serial:%"PRIi64, client->name, commands[command].name, tag, index, name ? name : "", target_id, target_serial); /* We will temporarily claim the stream was already moved */ set_temporary_move_target(client, o, dev->index); send_object_event(client, o, SUBSCRIPTION_EVENT_CHANGE); return reply_simple_ack(client, tag); } static int do_kill(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct pw_manager *manager = client->manager; struct pw_manager_object *o; uint32_t index; struct selector sel; if (message_get(m, TAG_U32, &index, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u", client->name, commands[command].name, tag, index); spa_zero(sel); sel.index = index; switch (command) { case COMMAND_KILL_CLIENT: sel.type = pw_manager_object_is_client; break; case COMMAND_KILL_SINK_INPUT: sel.type = pw_manager_object_is_sink_input; break; case COMMAND_KILL_SOURCE_OUTPUT: sel.type = pw_manager_object_is_source_output; break; default: return -EINVAL; } if ((o = select_object(manager, &sel)) == NULL) return -ENOENT; pw_registry_destroy(manager->registry, o->id); return reply_simple_ack(client, tag); } static void handle_module_loaded(struct module *module, struct client *client, uint32_t tag, int result) { const char *client_name = client != NULL ? client->name : "?"; struct impl *impl = module->impl; spa_assert(!SPA_RESULT_IS_ASYNC(result)); if (SPA_RESULT_IS_OK(result)) { pw_log_info("[%s] loaded module index:%u name:%s tag:%d", client_name, module->index, module->info->name, tag); module->loaded = true; broadcast_subscribe_event(impl, SUBSCRIPTION_MASK_MODULE, SUBSCRIPTION_EVENT_NEW | SUBSCRIPTION_EVENT_MODULE, module->index); if (client != NULL) { struct message *reply = reply_new(client, tag); message_put(reply, TAG_U32, module->index, TAG_INVALID); client_queue_message(client, reply); } } else { pw_log_warn("%p: [%s] failed to load module index:%u name:%s tag:%d result:%d (%s)", impl, client_name, module->index, module->info->name, tag, result, spa_strerror(result)); module_schedule_unload(module); if (client != NULL) reply_error(client, COMMAND_LOAD_MODULE, tag, result); } } struct pending_module { struct client *client; struct spa_hook client_listener; struct module *module; struct spa_hook module_listener; struct spa_hook manager_listener; uint32_t tag; int result; bool wait_sync; }; static void finish_pending_module(struct pending_module *pm) { spa_hook_remove(&pm->module_listener); if (pm->client != NULL) { spa_hook_remove(&pm->client_listener); spa_hook_remove(&pm->manager_listener); } handle_module_loaded(pm->module, pm->client, pm->tag, pm->result); free(pm); } static void on_load_module_manager_sync(void *data) { struct pending_module *pm = data; pw_log_debug("pending module %p: manager sync wait_sync:%d tag:%d", pm, pm->wait_sync, pm->tag); if (!pm->wait_sync) return; finish_pending_module(pm); } static void on_module_loaded(void *data, int result) { struct pending_module *pm = data; pw_log_debug("pending module %p: loaded, result:%d tag:%d", pm, result, pm->tag); pm->result = result; /* * Do manager sync first: the module may have its own core, so * although things are completed on the server, our client * might not yet see them. */ if (pm->client == NULL) { finish_pending_module(pm); } else { pw_log_debug("pending module %p: wait manager sync tag:%d", pm, pm->tag); pm->wait_sync = true; pw_manager_sync(pm->client->manager); } } static void on_module_destroy(void *data) { struct pending_module *pm = data; pw_log_debug("pending module %p: destroyed, tag:%d", pm, pm->tag); pm->result = -ECANCELED; finish_pending_module(pm); } static void on_client_disconnect(void *data) { struct pending_module *pm = data; pw_log_debug("pending module %p: client disconnect tag:%d", pm, pm->tag); spa_hook_remove(&pm->client_listener); spa_hook_remove(&pm->manager_listener); pm->client = NULL; if (pm->wait_sync) finish_pending_module(pm); } static void on_load_module_manager_disconnect(void *data) { on_client_disconnect(data); } static int do_load_module(struct client *client, uint32_t command, uint32_t tag, struct message *m) { static const struct module_events module_events = { VERSION_MODULE_EVENTS, .loaded = on_module_loaded, .destroy = on_module_destroy, }; static const struct client_events client_events = { VERSION_CLIENT_EVENTS, .disconnect = on_client_disconnect, }; static const struct pw_manager_events manager_events = { PW_VERSION_MANAGER_EVENTS, .disconnect = on_load_module_manager_disconnect, .sync = on_load_module_manager_sync, }; struct impl *impl = client->impl; const char *name, *argument; struct module *module; struct pending_module *pm; int r; if (message_get(m, TAG_STRING, &name, TAG_STRING, &argument, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s name:%s argument:%s", client->name, commands[command].name, name, argument); module = module_create(impl, name, argument); if (module == NULL) return -errno; pm = calloc(1, sizeof(*pm)); if (pm == NULL) return -errno; pm->tag = tag; pm->client = client; pm->module = module; pw_log_debug("pending module %p: start tag:%d", pm, tag); r = module_load(module); module_add_listener(module, &pm->module_listener, &module_events, pm); client_add_listener(client, &pm->client_listener, &client_events, pm); pw_manager_add_listener(client->manager, &pm->manager_listener, &manager_events, pm); if (!SPA_RESULT_IS_ASYNC(r)) on_module_loaded(pm, r); /* * return 0 to prevent `handle_packet()` from sending a reply * because we want `handle_module_loaded()` to send the reply */ return 0; } static int do_unload_module(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct module *module; uint32_t module_index; if (message_get(m, TAG_U32, &module_index, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u index:%u", client->name, commands[command].name, tag, module_index); if (module_index == SPA_ID_INVALID) return -EINVAL; if ((module_index & MODULE_FLAG) == 0) return -EPERM; module = pw_map_lookup(&impl->modules, module_index & MODULE_INDEX_MASK); if (module == NULL) return -ENOENT; module_unload(module); return operation_new(client, tag); } static int do_send_object_message(struct client *client, uint32_t command, uint32_t tag, struct message *m) { struct impl *impl = client->impl; struct pw_manager *manager = client->manager; const char *object_path = NULL; const char *message = NULL; const char *params = NULL; char *response = NULL; char *path = NULL; struct message *reply; struct pw_manager_object *o; int len = 0; int res; if (message_get(m, TAG_STRING, &object_path, TAG_STRING, &message, TAG_STRING, ¶ms, TAG_INVALID) < 0) return -EPROTO; pw_log_info("[%s] %s tag:%u object_path:'%s' message:'%s' params:'%s'", client->name, commands[command].name, tag, object_path, message, params ? params : ""); if (object_path == NULL || message == NULL) return -EINVAL; len = strlen(object_path); if (len > 0 && object_path[len - 1] == '/') --len; path = strndup(object_path, len); if (path == NULL) return -ENOMEM; res = -ENOENT; spa_list_for_each(o, &manager->object_list, link) { if (o->message_object_path && spa_streq(o->message_object_path, path)) { if (o->message_handler) res = o->message_handler(manager, o, message, params, &response); else res = -ENOSYS; break; } } free(path); if (res < 0) return res; pw_log_debug("%p: object message response:'%s'", impl, response ? response : ""); reply = reply_new(client, tag); message_put(reply, TAG_STRING, response, TAG_INVALID); free(response); return client_queue_message(client, reply); } static int do_error_access(struct client *client, uint32_t command, uint32_t tag, struct message *m) { return -EACCES; } static SPA_UNUSED int do_error_not_implemented(struct client *client, uint32_t command, uint32_t tag, struct message *m) { return -ENOSYS; } #define COMMAND(name, ...) [COMMAND_ ## name] = { #name, __VA_ARGS__ } const struct command commands[COMMAND_MAX] = { COMMAND(ERROR), COMMAND(TIMEOUT), /* pseudo command */ COMMAND(REPLY), /* CLIENT->SERVER */ COMMAND(CREATE_PLAYBACK_STREAM, do_create_playback_stream), COMMAND(DELETE_PLAYBACK_STREAM, do_delete_stream), COMMAND(CREATE_RECORD_STREAM, do_create_record_stream), COMMAND(DELETE_RECORD_STREAM, do_delete_stream), COMMAND(EXIT, do_error_access), COMMAND(AUTH, do_command_auth, COMMAND_ACCESS_WITHOUT_AUTH | COMMAND_ACCESS_WITHOUT_MANAGER), COMMAND(SET_CLIENT_NAME, do_set_client_name, COMMAND_ACCESS_WITHOUT_MANAGER), COMMAND(LOOKUP_SINK, do_lookup), COMMAND(LOOKUP_SOURCE, do_lookup), COMMAND(DRAIN_PLAYBACK_STREAM, do_drain_stream), COMMAND(STAT, do_stat, COMMAND_ACCESS_WITHOUT_MANAGER), COMMAND(GET_PLAYBACK_LATENCY, do_get_playback_latency), COMMAND(CREATE_UPLOAD_STREAM, do_create_upload_stream), COMMAND(DELETE_UPLOAD_STREAM, do_delete_stream), COMMAND(FINISH_UPLOAD_STREAM, do_finish_upload_stream), COMMAND(PLAY_SAMPLE, do_play_sample), COMMAND(REMOVE_SAMPLE, do_remove_sample), COMMAND(GET_SERVER_INFO, do_get_server_info, COMMAND_ACCESS_WITHOUT_MANAGER), COMMAND(GET_SINK_INFO, do_get_info), COMMAND(GET_SOURCE_INFO, do_get_info), COMMAND(GET_MODULE_INFO, do_get_info), COMMAND(GET_CLIENT_INFO, do_get_info), COMMAND(GET_SINK_INPUT_INFO, do_get_info), COMMAND(GET_SOURCE_OUTPUT_INFO, do_get_info), COMMAND(GET_SAMPLE_INFO, do_get_sample_info), COMMAND(GET_CARD_INFO, do_get_info), COMMAND(SUBSCRIBE, do_subscribe), COMMAND(GET_SINK_INFO_LIST, do_get_info_list), COMMAND(GET_SOURCE_INFO_LIST, do_get_info_list), COMMAND(GET_MODULE_INFO_LIST, do_get_info_list), COMMAND(GET_CLIENT_INFO_LIST, do_get_info_list), COMMAND(GET_SINK_INPUT_INFO_LIST, do_get_info_list), COMMAND(GET_SOURCE_OUTPUT_INFO_LIST, do_get_info_list), COMMAND(GET_SAMPLE_INFO_LIST, do_get_sample_info_list), COMMAND(GET_CARD_INFO_LIST, do_get_info_list), COMMAND(SET_SINK_VOLUME, do_set_volume), COMMAND(SET_SINK_INPUT_VOLUME, do_set_stream_volume), COMMAND(SET_SOURCE_VOLUME, do_set_volume), COMMAND(SET_SINK_MUTE, do_set_mute), COMMAND(SET_SOURCE_MUTE, do_set_mute), COMMAND(CORK_PLAYBACK_STREAM, do_cork_stream), COMMAND(FLUSH_PLAYBACK_STREAM, do_flush_trigger_prebuf_stream), COMMAND(TRIGGER_PLAYBACK_STREAM, do_flush_trigger_prebuf_stream), COMMAND(PREBUF_PLAYBACK_STREAM, do_flush_trigger_prebuf_stream), COMMAND(SET_DEFAULT_SINK, do_set_default), COMMAND(SET_DEFAULT_SOURCE, do_set_default), COMMAND(SET_PLAYBACK_STREAM_NAME, do_set_stream_name), COMMAND(SET_RECORD_STREAM_NAME, do_set_stream_name), COMMAND(KILL_CLIENT, do_kill), COMMAND(KILL_SINK_INPUT, do_kill), COMMAND(KILL_SOURCE_OUTPUT, do_kill), COMMAND(LOAD_MODULE, do_load_module), COMMAND(UNLOAD_MODULE, do_unload_module), /* Obsolete */ COMMAND(ADD_AUTOLOAD___OBSOLETE, do_error_access), COMMAND(REMOVE_AUTOLOAD___OBSOLETE, do_error_access), COMMAND(GET_AUTOLOAD_INFO___OBSOLETE, do_error_access), COMMAND(GET_AUTOLOAD_INFO_LIST___OBSOLETE, do_error_access), COMMAND(GET_RECORD_LATENCY, do_get_record_latency), COMMAND(CORK_RECORD_STREAM, do_cork_stream), COMMAND(FLUSH_RECORD_STREAM, do_flush_trigger_prebuf_stream), /* SERVER->CLIENT */ COMMAND(REQUEST), COMMAND(OVERFLOW), COMMAND(UNDERFLOW), COMMAND(PLAYBACK_STREAM_KILLED), COMMAND(RECORD_STREAM_KILLED), COMMAND(SUBSCRIBE_EVENT), /* A few more client->server commands */ /* Supported since protocol v10 (0.9.5) */ COMMAND(MOVE_SINK_INPUT, do_move_stream), COMMAND(MOVE_SOURCE_OUTPUT, do_move_stream), /* Supported since protocol v11 (0.9.7) */ COMMAND(SET_SINK_INPUT_MUTE, do_set_stream_mute), COMMAND(SUSPEND_SINK, do_suspend), COMMAND(SUSPEND_SOURCE, do_suspend), /* Supported since protocol v12 (0.9.8) */ COMMAND(SET_PLAYBACK_STREAM_BUFFER_ATTR, do_set_stream_buffer_attr), COMMAND(SET_RECORD_STREAM_BUFFER_ATTR, do_set_stream_buffer_attr), COMMAND(UPDATE_PLAYBACK_STREAM_SAMPLE_RATE, do_update_stream_sample_rate), COMMAND(UPDATE_RECORD_STREAM_SAMPLE_RATE, do_update_stream_sample_rate), /* SERVER->CLIENT */ COMMAND(PLAYBACK_STREAM_SUSPENDED), COMMAND(RECORD_STREAM_SUSPENDED), COMMAND(PLAYBACK_STREAM_MOVED), COMMAND(RECORD_STREAM_MOVED), /* Supported since protocol v13 (0.9.11) */ COMMAND(UPDATE_RECORD_STREAM_PROPLIST, do_update_proplist), COMMAND(UPDATE_PLAYBACK_STREAM_PROPLIST, do_update_proplist), COMMAND(UPDATE_CLIENT_PROPLIST, do_update_proplist), COMMAND(REMOVE_RECORD_STREAM_PROPLIST, do_remove_proplist), COMMAND(REMOVE_PLAYBACK_STREAM_PROPLIST, do_remove_proplist), COMMAND(REMOVE_CLIENT_PROPLIST, do_remove_proplist), /* SERVER->CLIENT */ COMMAND(STARTED), /* Supported since protocol v14 (0.9.12) */ COMMAND(EXTENSION, do_extension), /* Supported since protocol v15 (0.9.15) */ COMMAND(SET_CARD_PROFILE, do_set_profile), /* SERVER->CLIENT */ COMMAND(CLIENT_EVENT), COMMAND(PLAYBACK_STREAM_EVENT), COMMAND(RECORD_STREAM_EVENT), /* SERVER->CLIENT */ COMMAND(PLAYBACK_BUFFER_ATTR_CHANGED), COMMAND(RECORD_BUFFER_ATTR_CHANGED), /* Supported since protocol v16 (0.9.16) */ COMMAND(SET_SINK_PORT, do_set_port), COMMAND(SET_SOURCE_PORT, do_set_port), /* Supported since protocol v22 (1.0) */ COMMAND(SET_SOURCE_OUTPUT_VOLUME, do_set_stream_volume), COMMAND(SET_SOURCE_OUTPUT_MUTE, do_set_stream_mute), /* Supported since protocol v27 (3.0) */ COMMAND(SET_PORT_LATENCY_OFFSET, do_set_port_latency_offset), /* Supported since protocol v30 (6.0) */ /* BOTH DIRECTIONS */ COMMAND(ENABLE_SRBCHANNEL, do_error_access), COMMAND(DISABLE_SRBCHANNEL, do_error_access), /* Supported since protocol v31 (9.0) * BOTH DIRECTIONS */ COMMAND(REGISTER_MEMFD_SHMID, do_error_access), /* Supported since protocol v35 (15.0) */ COMMAND(SEND_OBJECT_MESSAGE, do_send_object_message), }; #undef COMMAND static int impl_free_sample(void *item, void *data) { struct sample *s = item; spa_assert(s->ref == 1); sample_unref(s); return 0; } static int impl_unload_module(void *item, void *data) { struct module *m = item; module_unload(m); return 0; } static void impl_clear(struct impl *impl) { struct message *msg; struct server *s; struct client *c; pw_map_for_each(&impl->modules, impl_unload_module, impl); pw_map_clear(&impl->modules); spa_list_consume(s, &impl->servers, link) server_free(s); spa_list_consume(c, &impl->cleanup_clients, link) client_free(c); spa_list_consume(msg, &impl->free_messages, link) message_free(msg, true, true); pw_map_for_each(&impl->samples, impl_free_sample, impl); pw_map_clear(&impl->samples); spa_hook_list_clean(&impl->hooks); #ifdef HAVE_DBUS if (impl->dbus_name) { dbus_release_name(impl->dbus_name); impl->dbus_name = NULL; } #endif if (impl->context) { spa_hook_remove(&impl->context_listener); impl->context = NULL; } pw_properties_free(impl->props); impl->props = NULL; } static void impl_free(struct impl *impl) { impl_clear(impl); free(impl); } static void context_destroy(void *data) { impl_clear(data); } static const struct pw_context_events context_events = { PW_VERSION_CONTEXT_EVENTS, .destroy = context_destroy, }; static int parse_frac(struct pw_properties *props, const char *key, const char *def, struct spa_fraction *res) { const char *str; if (props == NULL || (str = pw_properties_get(props, key)) == NULL) str = def; if (sscanf(str, "%u/%u", &res->num, &res->denom) != 2 || res->denom == 0) { pw_log_warn(": invalid fraction %s, default to %s", str, def); sscanf(def, "%u/%u", &res->num, &res->denom); } pw_log_info(": defaults: %s = %u/%u", key, res->num, res->denom); return 0; } static int parse_position(struct pw_properties *props, const char *key, const char *def, struct channel_map *res) { const char *str; struct spa_json it[2]; char v[256]; if (props == NULL || (str = pw_properties_get(props, key)) == NULL) str = def; spa_json_init(&it[0], str, strlen(str)); if (spa_json_enter_array(&it[0], &it[1]) <= 0) spa_json_init(&it[1], str, strlen(str)); res->channels = 0; while (spa_json_get_string(&it[1], v, sizeof(v)) > 0 && res->channels < SPA_AUDIO_MAX_CHANNELS) { res->map[res->channels++] = channel_name2id(v); } pw_log_info(": defaults: %s = %s", key, str); return 0; } static int parse_format(struct pw_properties *props, const char *key, const char *def, struct sample_spec *res) { const char *str; if (props == NULL || (str = pw_properties_get(props, key)) == NULL) str = def; res->format = format_name2id(str); if (res->format == SPA_AUDIO_FORMAT_UNKNOWN) { pw_log_warn(": unknown format %s, default to %s", str, def); res->format = format_name2id(def); } pw_log_info(": defaults: %s = %s", key, format_id2name(res->format)); return 0; } static int parse_uint32(struct pw_properties *props, const char *key, const char *def, uint32_t *res) { const char *str; if (props == NULL || (str = pw_properties_get(props, key)) == NULL) str = def; if (!spa_atou32(str, res, 0)) { pw_log_warn(": invalid uint32_t %s, default to %s", str, def); spa_atou32(def, res, 0); } pw_log_info(": defaults: %s = %u", key, *res); return 0; } static void load_defaults(struct defs *def, struct pw_properties *props) { parse_frac(props, "pulse.min.req", DEFAULT_MIN_REQ, &def->min_req); parse_frac(props, "pulse.default.req", DEFAULT_DEFAULT_REQ, &def->default_req); parse_frac(props, "pulse.min.frag", DEFAULT_MIN_FRAG, &def->min_frag); parse_frac(props, "pulse.default.frag", DEFAULT_DEFAULT_FRAG, &def->default_frag); parse_frac(props, "pulse.default.tlength", DEFAULT_DEFAULT_TLENGTH, &def->default_tlength); parse_frac(props, "pulse.min.quantum", DEFAULT_MIN_QUANTUM, &def->min_quantum); parse_format(props, "pulse.default.format", DEFAULT_FORMAT, &def->sample_spec); parse_position(props, "pulse.default.position", DEFAULT_POSITION, &def->channel_map); parse_uint32(props, "pulse.idle.timeout", DEFAULT_IDLE_TIMEOUT, &def->idle_timeout); def->sample_spec.channels = def->channel_map.channels; def->quantum_limit = 8192; } struct pw_protocol_pulse *pw_protocol_pulse_new(struct pw_context *context, struct pw_properties *props, size_t user_data_size) { const struct spa_support *support; struct spa_cpu *cpu; uint32_t n_support; struct impl *impl; const char *str; int res = 0; impl = calloc(1, sizeof(*impl) + user_data_size); if (impl == NULL) goto error_exit; if (props == NULL) props = pw_properties_new(NULL, NULL); if (props == NULL) goto error_free; support = pw_context_get_support(context, &n_support); cpu = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_CPU); pw_context_conf_update_props(context, "pulse.properties", props); if ((str = pw_properties_get(props, "vm.overrides")) != NULL) { if (cpu != NULL && spa_cpu_get_vm_type(cpu) != SPA_CPU_VM_NONE) pw_properties_update_string(props, str, strlen(str)); pw_properties_set(props, "vm.overrides", NULL); } load_defaults(&impl->defs, props); debug_messages = pw_log_topic_enabled(SPA_LOG_LEVEL_INFO, pulse_conn); impl->context = context; impl->loop = pw_context_get_main_loop(context); impl->props = props; impl->work_queue = pw_context_get_work_queue(context); spa_hook_list_init(&impl->hooks); spa_list_init(&impl->servers); impl->rate_limit.interval = 2 * SPA_NSEC_PER_SEC; impl->rate_limit.burst = 1; pw_map_init(&impl->samples, 16, 16); pw_map_init(&impl->modules, 16, 16); spa_list_init(&impl->cleanup_clients); spa_list_init(&impl->free_messages); str = pw_properties_get(props, "server.address"); if (str == NULL) { pw_properties_setf(props, "server.address", "[ \"%s-%s\" ]", PW_PROTOCOL_PULSE_DEFAULT_SERVER, get_server_name(context)); str = pw_properties_get(props, "server.address"); } if (str == NULL) goto error_free; if ((res = servers_create_and_start(impl, str, NULL)) < 0) { pw_log_error("%p: no servers could be started: %s", impl, spa_strerror(res)); goto error_free; } if ((res = create_pid_file()) < 0) { pw_log_warn("%p: can't create pid file: %s", impl, spa_strerror(res)); } pw_context_add_listener(context, &impl->context_listener, &context_events, impl); #ifdef HAVE_DBUS impl->dbus_name = dbus_request_name(context, "org.pulseaudio.Server"); #endif cmd_run(impl); return (struct pw_protocol_pulse *) impl; error_free: free(impl); error_exit: pw_properties_free(props); if (res < 0) errno = -res; return NULL; } void impl_add_listener(struct impl *impl, struct spa_hook *listener, const struct impl_events *events, void *data) { spa_hook_list_append(&impl->hooks, listener, events, data); } void *pw_protocol_pulse_get_user_data(struct pw_protocol_pulse *pulse) { return SPA_PTROFF(pulse, sizeof(struct impl), void); } void pw_protocol_pulse_destroy(struct pw_protocol_pulse *pulse) { struct impl *impl = (struct impl*)pulse; impl_free(impl); }