179 lines
5.2 KiB
C
179 lines
5.2 KiB
C
/* PipeWire
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*
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* Copyright © 2020 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <math.h>
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#include <time.h>
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#include "config.h"
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#include <spa/node/node.h>
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#include <spa/utils/hook.h>
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#include <spa/param/audio/format-utils.h>
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#include <spa/param/props.h>
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#include <spa/debug/pod.h>
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#include "pipewire/pipewire.h"
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#include "pipewire/extensions/session-manager.h"
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#include "media-session.h"
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/** \page page_media_session_module_session_manager Media Session Module: Session Manager
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*/
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#define NAME "session-manager"
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#define SESSION_KEY "session-manager"
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PW_LOG_TOPIC_STATIC(mod_topic, "ms.mod." NAME);
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#define PW_LOG_TOPIC_DEFAULT mod_topic
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int sm_stream_endpoint_start(struct sm_media_session *sess);
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int sm_v4l2_endpoint_start(struct sm_media_session *sess);
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int sm_bluez5_endpoint_start(struct sm_media_session *sess);
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int sm_alsa_endpoint_start(struct sm_media_session *sess);
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int sm_policy_ep_start(struct sm_media_session *sess);
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struct impl {
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struct timespec now;
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struct sm_media_session *session;
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struct spa_hook listener;
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struct pw_context *context;
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struct spa_hook proxy_client_session_listener;
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struct spa_hook client_session_listener;
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};
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/**
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* Session implementation
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*/
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static int client_session_set_param(void *object, uint32_t id, uint32_t flags,
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const struct spa_pod *param)
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{
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struct impl *impl = object;
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pw_proxy_error((struct pw_proxy*)impl->session->client_session,
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-ENOTSUP, "Session:SetParam not supported");
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return -ENOTSUP;
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}
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static int client_session_link_set_param(void *object, uint32_t link_id, uint32_t id, uint32_t flags,
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const struct spa_pod *param)
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{
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struct impl *impl = object;
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pw_proxy_error((struct pw_proxy*)impl->session->client_session,
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-ENOTSUP, "Session:LinkSetParam not supported");
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return -ENOTSUP;
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}
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static int client_session_link_request_state(void *object, uint32_t link_id, uint32_t state)
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{
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return -ENOTSUP;
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}
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static const struct pw_client_session_events client_session_events = {
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PW_VERSION_CLIENT_SESSION_METHODS,
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.set_param = client_session_set_param,
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.link_set_param = client_session_link_set_param,
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.link_request_state = client_session_link_request_state,
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};
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static void proxy_client_session_bound(void *data, uint32_t id)
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{
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struct impl *impl = data;
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struct pw_session_info info;
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impl->session->session_id = id;
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spa_zero(info);
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info.version = PW_VERSION_SESSION_INFO;
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info.id = id;
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pw_log_debug("got session id:%d", id);
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pw_client_session_update(impl->session->client_session,
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PW_CLIENT_SESSION_UPDATE_INFO,
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0, NULL,
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&info);
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/* start endpoints */
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sm_bluez5_endpoint_start(impl->session);
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sm_alsa_endpoint_start(impl->session);
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sm_v4l2_endpoint_start(impl->session);
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sm_stream_endpoint_start(impl->session);
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sm_policy_ep_start(impl->session);
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}
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static const struct pw_proxy_events proxy_client_session_events = {
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PW_VERSION_PROXY_EVENTS,
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.bound = proxy_client_session_bound,
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};
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static void session_destroy(void *data)
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{
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struct impl *impl = data;
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spa_hook_remove(&impl->listener);
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free(impl);
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}
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static const struct sm_media_session_events session_events = {
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SM_VERSION_MEDIA_SESSION_EVENTS,
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.destroy = session_destroy,
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};
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int sm_session_manager_start(struct sm_media_session *session)
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{
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struct impl *impl;
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PW_LOG_TOPIC_INIT(mod_topic);
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impl = calloc(1, sizeof(struct impl));
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if (impl == NULL)
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return -errno;
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impl->session = session;
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impl->context = session->context;
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sm_media_session_add_listener(impl->session, &impl->listener, &session_events, impl);
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session->client_session = (struct pw_client_session *)
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sm_media_session_create_object(impl->session,
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"client-session",
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PW_TYPE_INTERFACE_ClientSession,
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PW_VERSION_CLIENT_SESSION,
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NULL, 0);
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pw_proxy_add_listener((struct pw_proxy*)session->client_session,
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&impl->proxy_client_session_listener,
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&proxy_client_session_events, impl);
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pw_client_session_add_listener(session->client_session,
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&impl->client_session_listener,
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&client_session_events, impl);
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return 0;
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}
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