mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-07 13:30:09 -05:00
stream-monitor -> stream-endpoint
This commit is contained in:
Wim Taymans
parent
5cfb155827
commit
2242c4bab2
3 changed files with 7 additions and 7 deletions
600
src/examples/media-session/stream-endpoint.c
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600
src/examples/media-session/stream-endpoint.c
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/* PipeWire
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*
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* Copyright © 2019 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/private.h"
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#include "extensions/session-manager.h"
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#include "media-session.h"
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#define NAME "stream-endpoint"
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#define SESSION_KEY "stream-endpoint"
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#define DEFAULT_CHANNELS 2
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#define DEFAULT_SAMPLERATE 48000
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struct endpoint;
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struct impl {
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struct sm_media_session *session;
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struct spa_hook listener;
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};
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struct node {
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struct sm_node *obj;
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struct spa_hook listener;
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struct impl *impl;
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uint32_t id;
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enum pw_direction direction;
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char *media;
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struct endpoint *endpoint;
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struct spa_audio_info format;
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};
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struct stream {
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struct endpoint *endpoint;
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struct spa_list link;
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struct pw_properties *props;
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struct pw_endpoint_stream_info info;
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struct spa_audio_info format;
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unsigned int active:1;
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};
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struct endpoint {
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struct impl *impl;
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struct pw_properties *props;
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struct node *node;
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struct pw_client_endpoint *client_endpoint;
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struct spa_hook client_endpoint_listener;
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struct spa_hook proxy_listener;
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struct pw_endpoint_info info;
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struct spa_param_info params[5];
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struct spa_list stream_list;
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};
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static int client_endpoint_set_session_id(void *object, uint32_t id)
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{
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struct endpoint *endpoint = object;
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endpoint->info.session_id = id;
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return 0;
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}
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static int client_endpoint_set_param(void *object,
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uint32_t id, uint32_t flags, const struct spa_pod *param)
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{
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struct endpoint *endpoint = object;
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struct impl *impl = endpoint->impl;
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struct node *node = endpoint->node;
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pw_log_debug(NAME " %p: node %d set param %d", impl, node->obj->obj.id, id);
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return pw_node_set_param((struct pw_node*)node->obj->obj.proxy,
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id, flags, param);
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}
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static int client_endpoint_stream_set_param(void *object, uint32_t stream_id,
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uint32_t id, uint32_t flags, const struct spa_pod *param)
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{
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return -ENOTSUP;
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}
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static int stream_set_active(struct stream *stream, bool active)
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{
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struct endpoint *endpoint = stream->endpoint;
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struct node *node = endpoint->node;
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char buf[1024];
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struct spa_pod_builder b = { 0, };
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struct spa_pod *param;
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if (stream->active == active)
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return 0;
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if (active) {
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stream->format = node->format;
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stream->format.info.raw.rate = 48000;
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spa_pod_builder_init(&b, buf, sizeof(buf));
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param = spa_format_audio_raw_build(&b, SPA_PARAM_Format, &stream->format.info.raw);
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param = spa_pod_builder_add_object(&b,
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SPA_TYPE_OBJECT_ParamPortConfig, SPA_PARAM_PortConfig,
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SPA_PARAM_PORT_CONFIG_direction, SPA_POD_Id(endpoint->info.direction),
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SPA_PARAM_PORT_CONFIG_mode, SPA_POD_Id(SPA_PARAM_PORT_CONFIG_MODE_dsp),
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SPA_PARAM_PORT_CONFIG_monitor, SPA_POD_Bool(false),
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SPA_PARAM_PORT_CONFIG_format, SPA_POD_Pod(param));
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if (pw_log_level_enabled(SPA_LOG_LEVEL_DEBUG))
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spa_debug_pod(2, NULL, param);
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pw_node_set_param((struct pw_node*)node->obj->obj.proxy,
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SPA_PARAM_PortConfig, 0, param);
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}
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stream->active = active;
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return 0;
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}
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static int client_endpoint_create_link(void *object, const struct spa_dict *props)
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{
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struct endpoint *endpoint = object;
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struct impl *impl = endpoint->impl;
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struct pw_properties *p;
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struct stream *stream;
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int res;
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pw_log_debug("create link");
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if (props == NULL)
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return -EINVAL;
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if (spa_list_is_empty(&endpoint->stream_list))
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return -EIO;
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/* FIXME take first stream */
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stream = spa_list_first(&endpoint->stream_list, struct stream, link);
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stream_set_active(stream, true);
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p = pw_properties_new_dict(props);
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if (p == NULL)
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return -errno;
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if (endpoint->info.direction == PW_DIRECTION_OUTPUT) {
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const char *str;
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struct sm_object *obj;
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pw_properties_setf(p, PW_KEY_LINK_OUTPUT_NODE, "%d", endpoint->node->id);
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pw_properties_setf(p, PW_KEY_LINK_OUTPUT_PORT, "-1");
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str = spa_dict_lookup(props, PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT);
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if (str == NULL) {
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pw_log_warn(NAME" %p: no target endpoint given", impl);
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res = -EINVAL;
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goto exit;
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}
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obj = sm_media_session_find_object(impl->session, atoi(str));
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if (obj == NULL || obj->type != PW_TYPE_INTERFACE_Endpoint) {
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pw_log_warn(NAME" %p: could not find endpoint %s (%p)", impl, str, obj);
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res = -EINVAL;
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goto exit;
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}
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pw_endpoint_create_link((struct pw_endpoint*)obj->proxy, &p->dict);
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} else {
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pw_properties_setf(p, PW_KEY_LINK_INPUT_NODE, "%d", endpoint->node->id);
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pw_properties_setf(p, PW_KEY_LINK_INPUT_PORT, "-1");
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sm_media_session_create_links(impl->session, &p->dict);
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}
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res = 0;
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exit:
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pw_properties_free(p);
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return res;
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}
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static const struct pw_client_endpoint_events client_endpoint_events = {
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PW_VERSION_CLIENT_ENDPOINT_EVENTS,
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.set_session_id = client_endpoint_set_session_id,
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.set_param = client_endpoint_set_param,
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.stream_set_param = client_endpoint_stream_set_param,
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.create_link = client_endpoint_create_link,
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};
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static struct stream *endpoint_add_stream(struct endpoint *endpoint)
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{
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struct stream *s;
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struct pw_properties *props = endpoint->props;
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struct node *node = endpoint->node;
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const char *str;
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s = calloc(1, sizeof(*s));
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if (s == NULL)
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return NULL;
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s->endpoint = endpoint;
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s->props = pw_properties_new(NULL, NULL);
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if ((str = pw_properties_get(props, PW_KEY_MEDIA_CLASS)) != NULL)
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pw_properties_set(s->props, PW_KEY_MEDIA_CLASS, str);
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if (node->direction == PW_DIRECTION_OUTPUT)
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pw_properties_set(s->props, PW_KEY_ENDPOINT_STREAM_NAME, "Playback");
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else
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pw_properties_set(s->props, PW_KEY_ENDPOINT_STREAM_NAME, "Capture");
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s->info.version = PW_VERSION_ENDPOINT_STREAM_INFO;
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s->info.id = 0;
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s->info.endpoint_id = endpoint->info.id;
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s->info.name = (char*)pw_properties_get(s->props, PW_KEY_ENDPOINT_STREAM_NAME);
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s->info.change_mask = PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS;
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s->info.props = &s->props->dict;
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spa_list_append(&endpoint->stream_list, &s->link);
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pw_log_debug("stream %d", node->id);
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pw_client_endpoint_stream_update(endpoint->client_endpoint,
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s->info.id,
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PW_CLIENT_ENDPOINT_STREAM_UPDATE_INFO,
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0, NULL,
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&s->info);
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return s;
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}
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static void destroy_stream(struct stream *stream)
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{
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struct endpoint *endpoint = stream->endpoint;
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pw_client_endpoint_stream_update(endpoint->client_endpoint,
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stream->info.id,
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PW_CLIENT_ENDPOINT_STREAM_UPDATE_DESTROYED,
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0, NULL,
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&stream->info);
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pw_properties_free(stream->props);
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spa_list_remove(&stream->link);
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free(stream);
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}
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static void complete_endpoint(void *data)
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{
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struct endpoint *endpoint = data;
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struct impl *impl = endpoint->impl;
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struct node *node = endpoint->node;
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struct sm_param *p;
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pw_log_debug(NAME" %p: endpoint %p", impl, endpoint);
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spa_list_for_each(p, &node->obj->param_list, link) {
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struct spa_audio_info info = { 0, };
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switch (p->id) {
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case SPA_PARAM_EnumFormat:
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if (spa_format_parse(p->param, &info.media_type, &info.media_subtype) < 0)
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continue;
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if (info.media_type != SPA_MEDIA_TYPE_audio ||
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info.media_subtype != SPA_MEDIA_SUBTYPE_raw)
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continue;
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spa_pod_object_fixate((struct spa_pod_object*)p->param);
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if (pw_log_level_enabled(SPA_LOG_LEVEL_DEBUG))
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spa_debug_pod(2, NULL, p->param);
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if (spa_format_audio_raw_parse(p->param, &info.info.raw) < 0)
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continue;
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if (node->format.info.raw.channels < info.info.raw.channels)
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node->format = info;
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break;
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default:
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break;
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}
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}
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pw_client_endpoint_update(endpoint->client_endpoint,
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PW_CLIENT_ENDPOINT_UPDATE_INFO,
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0, NULL,
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&endpoint->info);
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endpoint_add_stream(endpoint);
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}
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static void update_params(void *data)
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{
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uint32_t n_params;
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const struct spa_pod **params;
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struct endpoint *endpoint = data;
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struct impl *impl = endpoint->impl;
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struct node *node = endpoint->node;
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struct sm_param *p;
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pw_log_debug(NAME" %p: endpoint %p", impl, endpoint);
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params = alloca(sizeof(struct spa_pod *) * node->obj->n_params);
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n_params = 0;
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spa_list_for_each(p, &node->obj->param_list, link) {
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switch (p->id) {
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case SPA_PARAM_Props:
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case SPA_PARAM_PropInfo:
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params[n_params++] = p->param;
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break;
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default:
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break;
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}
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}
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pw_client_endpoint_update(endpoint->client_endpoint,
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PW_CLIENT_ENDPOINT_UPDATE_PARAMS |
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PW_CLIENT_ENDPOINT_UPDATE_INFO,
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n_params, params,
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&endpoint->info);
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}
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static void proxy_destroy(void *data)
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{
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struct endpoint *endpoint = data;
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struct stream *s;
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spa_list_consume(s, &endpoint->stream_list, link)
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destroy_stream(s);
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pw_properties_free(endpoint->props);
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}
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static void proxy_bound(void *data, uint32_t id)
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{
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struct endpoint *endpoint = data;
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endpoint->info.id = id;
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}
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|
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static const struct pw_proxy_events proxy_events = {
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PW_VERSION_PROXY_EVENTS,
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.destroy = proxy_destroy,
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.bound = proxy_bound,
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};
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|
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static struct endpoint *create_endpoint(struct node *node)
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{
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struct impl *impl = node->impl;
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struct pw_properties *props;
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struct endpoint *endpoint;
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struct pw_proxy *proxy;
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const char *str, *media_class = NULL, *name = NULL;
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uint32_t subscribe[4], n_subscribe = 0;
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props = pw_properties_new(NULL, NULL);
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if (props == NULL)
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return NULL;
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if (node->obj->info && node->obj->info->props) {
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struct spa_dict *dict = node->obj->info->props;
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if ((media_class = spa_dict_lookup(dict, PW_KEY_MEDIA_CLASS)) != NULL)
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pw_properties_set(props, PW_KEY_MEDIA_CLASS, media_class);
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if ((name = spa_dict_lookup(dict, PW_KEY_MEDIA_NAME)) != NULL)
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pw_properties_set(props, PW_KEY_ENDPOINT_NAME, name);
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if ((str = spa_dict_lookup(dict, PW_KEY_OBJECT_ID)) != NULL)
|
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pw_properties_set(props, PW_KEY_NODE_ID, str);
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if ((str = spa_dict_lookup(dict, PW_KEY_CLIENT_ID)) != NULL)
|
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pw_properties_set(props, PW_KEY_ENDPOINT_CLIENT_ID, str);
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if ((str = spa_dict_lookup(dict, PW_KEY_NODE_AUTOCONNECT)) != NULL)
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pw_properties_set(props, PW_KEY_ENDPOINT_AUTOCONNECT, str);
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if ((str = spa_dict_lookup(dict, PW_KEY_NODE_TARGET)) != NULL)
|
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pw_properties_set(props, PW_KEY_ENDPOINT_TARGET, str);
|
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}
|
||||
|
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proxy = sm_media_session_create_object(impl->session,
|
||||
"client-endpoint",
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||||
PW_TYPE_INTERFACE_ClientEndpoint,
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PW_VERSION_CLIENT_ENDPOINT,
|
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&props->dict, sizeof(*endpoint));
|
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if (proxy == NULL) {
|
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pw_properties_free(props);
|
||||
return NULL;
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||||
}
|
||||
|
||||
endpoint = pw_proxy_get_user_data(proxy);
|
||||
endpoint->impl = impl;
|
||||
endpoint->node = node;
|
||||
endpoint->props = props;
|
||||
endpoint->client_endpoint = (struct pw_client_endpoint *) proxy;
|
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endpoint->info.version = PW_VERSION_ENDPOINT_INFO;
|
||||
endpoint->info.name = (char*)pw_properties_get(props, PW_KEY_ENDPOINT_NAME);
|
||||
endpoint->info.media_class = (char*)pw_properties_get(props, PW_KEY_MEDIA_CLASS);
|
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endpoint->info.session_id = impl->session->session->obj.id;
|
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endpoint->info.direction = node->direction;
|
||||
endpoint->info.flags = 0;
|
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endpoint->info.change_mask =
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PW_ENDPOINT_CHANGE_MASK_STREAMS |
|
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PW_ENDPOINT_CHANGE_MASK_SESSION |
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PW_ENDPOINT_CHANGE_MASK_PROPS |
|
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PW_ENDPOINT_CHANGE_MASK_PARAMS;
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endpoint->info.n_streams = 1;
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endpoint->info.props = &endpoint->props->dict;
|
||||
endpoint->params[0] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ);
|
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endpoint->params[1] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
|
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endpoint->info.params = endpoint->params;
|
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endpoint->info.n_params = 2;
|
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spa_list_init(&endpoint->stream_list);
|
||||
|
||||
pw_proxy_add_listener(proxy,
|
||||
&endpoint->proxy_listener,
|
||||
&proxy_events, endpoint);
|
||||
|
||||
pw_client_endpoint_add_listener(endpoint->client_endpoint,
|
||||
&endpoint->client_endpoint_listener,
|
||||
&client_endpoint_events,
|
||||
endpoint);
|
||||
|
||||
subscribe[n_subscribe++] = SPA_PARAM_EnumFormat;
|
||||
subscribe[n_subscribe++] = SPA_PARAM_Props;
|
||||
subscribe[n_subscribe++] = SPA_PARAM_PropInfo;
|
||||
pw_log_debug(NAME" %p: node %p proxy %p subscribe %d params", impl,
|
||||
node->obj, node->obj->obj.proxy, n_subscribe);
|
||||
pw_node_subscribe_params((struct pw_node*)node->obj->obj.proxy,
|
||||
subscribe, n_subscribe);
|
||||
|
||||
sm_media_session_sync(impl->session, complete_endpoint, endpoint);
|
||||
|
||||
return endpoint;
|
||||
}
|
||||
|
||||
static void destroy_endpoint(struct endpoint *endpoint)
|
||||
{
|
||||
pw_proxy_destroy((struct pw_proxy*)endpoint->client_endpoint);
|
||||
}
|
||||
|
||||
static void object_update(void *data)
|
||||
{
|
||||
struct node *node = data;
|
||||
struct impl *impl = node->impl;
|
||||
|
||||
pw_log_debug(NAME" %p: node %p endpoint %p %08x", impl, node, node->endpoint, node->obj->obj.changed);
|
||||
|
||||
if (node->endpoint == NULL &&
|
||||
node->obj->obj.avail & SM_OBJECT_CHANGE_MASK_PROPERTIES)
|
||||
node->endpoint = create_endpoint(node);
|
||||
|
||||
if (node->obj->obj.changed & SM_NODE_CHANGE_MASK_PARAMS)
|
||||
update_params(node->endpoint);
|
||||
}
|
||||
|
||||
|
||||
static const struct sm_object_events object_events = {
|
||||
SM_VERSION_OBJECT_EVENTS,
|
||||
.update = object_update
|
||||
};
|
||||
|
||||
static int
|
||||
handle_node(struct impl *impl, struct sm_object *obj)
|
||||
{
|
||||
const char *media_class;
|
||||
enum pw_direction direction;
|
||||
struct node *node;
|
||||
|
||||
media_class = obj->props ? pw_properties_get(obj->props, PW_KEY_MEDIA_CLASS) : NULL;
|
||||
|
||||
pw_log_debug(NAME" %p: node "PW_KEY_MEDIA_CLASS" %s", impl, media_class);
|
||||
|
||||
if (media_class == NULL)
|
||||
return 0;
|
||||
|
||||
if (strstr(media_class, "Stream/") != media_class)
|
||||
return 0;
|
||||
|
||||
media_class += strlen("Stream/");
|
||||
|
||||
if (strstr(media_class, "Output/") == media_class) {
|
||||
direction = PW_DIRECTION_OUTPUT;
|
||||
media_class += strlen("Output/");
|
||||
}
|
||||
else if (strstr(media_class, "Input/") == media_class) {
|
||||
direction = PW_DIRECTION_INPUT;
|
||||
media_class += strlen("Input/");
|
||||
}
|
||||
else
|
||||
return 0;
|
||||
|
||||
node = sm_object_add_data(obj, SESSION_KEY, sizeof(struct node));
|
||||
node->obj = (struct sm_node*)obj;
|
||||
node->impl = impl;
|
||||
node->id = obj->id;
|
||||
node->direction = direction;
|
||||
node->media = strdup(media_class);
|
||||
pw_log_debug(NAME "%p: node %d is stream %d:%s", impl, node->id,
|
||||
node->direction, node->media);
|
||||
|
||||
sm_object_add_listener(obj, &node->listener, &object_events, node);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void destroy_node(struct node *node)
|
||||
{
|
||||
if (node->endpoint)
|
||||
destroy_endpoint(node->endpoint);
|
||||
free(node->media);
|
||||
spa_hook_remove(&node->listener);
|
||||
}
|
||||
|
||||
static void session_create(void *data, struct sm_object *object)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
int res;
|
||||
|
||||
switch (object->type) {
|
||||
case PW_TYPE_INTERFACE_Node:
|
||||
res = handle_node(impl, object);
|
||||
break;
|
||||
|
||||
default:
|
||||
res = 0;
|
||||
break;
|
||||
}
|
||||
if (res < 0) {
|
||||
pw_log_warn(NAME" %p: can't handle global %d: %s", impl,
|
||||
object->id, spa_strerror(res));
|
||||
}
|
||||
}
|
||||
|
||||
static void session_remove(void *data, struct sm_object *object)
|
||||
{
|
||||
switch (object->type) {
|
||||
case PW_TYPE_INTERFACE_Node:
|
||||
{
|
||||
struct node *node;
|
||||
if ((node = sm_object_get_data(object, SESSION_KEY)) != NULL)
|
||||
destroy_node(node);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static const struct sm_media_session_events session_events = {
|
||||
SM_VERSION_MEDIA_SESSION_EVENTS,
|
||||
.create = session_create,
|
||||
.remove = session_remove,
|
||||
};
|
||||
|
||||
void * sm_stream_endpoint_start(struct sm_media_session *session)
|
||||
{
|
||||
struct impl *impl;
|
||||
|
||||
impl = calloc(1, sizeof(struct impl));
|
||||
if (impl == NULL)
|
||||
return NULL;
|
||||
|
||||
impl->session = session;
|
||||
sm_media_session_add_listener(session, &impl->listener, &session_events, impl);
|
||||
|
||||
return impl;
|
||||
}
|
||||
|
||||
int sm_stream_endpoint_stop(void *data)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
spa_hook_remove(&impl->listener);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue