mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
add client-stream
A client stream is a more specialized way to send 1 stream to pipewire. On the client side and receiver side it can do conversion and the buffer size of the client can be choosen arbitrarily.
This commit is contained in:
Wim Taymans
parent
efa35c2911
commit
63ce244c79
5 changed files with 967 additions and 4 deletions
906
src/modules/module-client-node/client-stream.c
Normal file
906
src/modules/module-client-node/client-stream.c
Normal file
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@ -0,0 +1,906 @@
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/* PipeWire
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* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <sys/socket.h>
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#include <sys/mman.h>
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#include <sys/eventfd.h>
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#include <spa/node/node.h>
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#include <spa/buffer/alloc.h>
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#include <spa/pod/parser.h>
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#include <spa/lib/pod.h>
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#include "pipewire/pipewire.h"
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#include "pipewire/interfaces.h"
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#include "pipewire/private.h"
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#include "pipewire/core.h"
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#include "modules/spa/spa-node.h"
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#include "client-node.h"
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#include "client-stream.h"
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#include <spa/lib/debug.h>
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/** \cond */
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struct node {
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struct spa_node node;
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struct impl *impl;
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struct spa_type_map *map;
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struct spa_log *log;
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const struct spa_node_callbacks *callbacks;
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void *callbacks_data;
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uint32_t seq;
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};
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struct impl {
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struct pw_client_stream this;
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struct pw_core *core;
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struct pw_type *t;
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struct node node;
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struct spa_hook node_listener;
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struct spa_hook client_node_listener;
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struct spa_hook resource_listener;
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enum spa_direction direction;
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struct spa_node *cnode;
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struct spa_node *adapter;
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struct pw_client_node *client_node;
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struct pw_port *client_port;
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struct pw_port_mix client_port_mix;
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struct spa_buffer **buffers;
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uint32_t n_buffers;
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struct pw_memblock *mem;
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};
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/** \endcond */
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static int impl_node_enum_params(struct spa_node *node,
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uint32_t id, uint32_t *index,
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const struct spa_pod *filter,
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struct spa_pod **result,
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struct spa_pod_builder *builder)
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{
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return 0;
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}
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static int impl_node_set_param(struct spa_node *node, uint32_t id, uint32_t flags,
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const struct spa_pod *param)
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{
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return 0;
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}
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static int impl_node_send_command(struct spa_node *node, const struct spa_command *command)
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{
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struct node *this;
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struct impl *impl;
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int res;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if ((res = spa_node_send_command(impl->adapter, command)) < 0)
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return res;
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if ((res = spa_node_send_command(impl->cnode, command)) < 0)
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return res;
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return res;
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}
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static int
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impl_node_set_callbacks(struct spa_node *node,
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const struct spa_node_callbacks *callbacks,
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void *data)
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{
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struct node *this;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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this->callbacks = callbacks;
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this->callbacks_data = data;
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return 0;
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}
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static int
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impl_node_get_n_ports(struct spa_node *node,
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uint32_t *n_input_ports,
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uint32_t *max_input_ports,
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uint32_t *n_output_ports,
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uint32_t *max_output_ports)
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{
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struct node *this;
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struct impl *impl;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if (impl->adapter) {
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spa_node_get_n_ports(impl->adapter,
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n_input_ports,
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max_input_ports,
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n_output_ports,
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max_output_ports);
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if (impl->direction == SPA_DIRECTION_OUTPUT) {
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if (n_input_ports)
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*n_input_ports = 0;
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if (max_input_ports)
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*max_input_ports = 0;
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} else {
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if (n_output_ports)
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*n_output_ports = 0;
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if (max_output_ports)
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*max_output_ports = 0;
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}
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} else {
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uint32_t n_inputs = 0, n_outputs = 0;
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if (impl->direction == SPA_DIRECTION_OUTPUT)
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n_outputs++;
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else
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n_inputs++;
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if (n_input_ports)
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*n_input_ports = n_inputs;
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if (max_input_ports)
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*max_input_ports = n_inputs;
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if (n_output_ports)
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*n_output_ports = n_outputs;
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if (max_output_ports)
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*max_output_ports = n_outputs;
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}
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return 0;
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}
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static int
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impl_node_get_port_ids(struct spa_node *node,
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uint32_t *input_ids,
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uint32_t n_input_ids,
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uint32_t *output_ids,
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uint32_t n_output_ids)
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{
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struct node *this;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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if (this->impl->adapter) {
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return spa_node_get_port_ids(this->impl->adapter,
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input_ids,
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n_input_ids,
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output_ids,
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n_output_ids);
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}
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else {
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if (input_ids && n_input_ids > 0)
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input_ids[0] = 0;
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if (output_ids && n_output_ids > 0)
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output_ids[0] = 0;
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}
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return 0;
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}
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static int
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impl_node_add_port(struct spa_node *node, enum spa_direction direction, uint32_t port_id)
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{
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struct node *this;
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struct impl *impl;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if (direction != impl->direction)
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return -EINVAL;
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return spa_node_add_port(impl->adapter, direction, port_id);
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}
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static int
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impl_node_remove_port(struct spa_node *node, enum spa_direction direction, uint32_t port_id)
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{
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struct node *this;
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struct impl *impl;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if (direction != this->impl->direction)
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return -EINVAL;
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return spa_node_remove_port(impl->adapter, direction, port_id);
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}
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static int
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impl_node_port_get_info(struct spa_node *node,
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enum spa_direction direction, uint32_t port_id,
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const struct spa_port_info **info)
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{
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struct node *this;
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struct impl *impl;
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if (node == NULL || info == NULL)
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return -EINVAL;
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if (direction != impl->direction)
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return -EINVAL;
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return spa_node_port_get_info(impl->adapter, direction, port_id, info);
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}
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static int
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impl_node_port_enum_params(struct spa_node *node,
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enum spa_direction direction, uint32_t port_id,
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uint32_t id, uint32_t *index,
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const struct spa_pod *filter,
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struct spa_pod **result,
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struct spa_pod_builder *builder)
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{
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struct node *this;
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struct impl *impl;
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spa_return_val_if_fail(node != NULL, -EINVAL);
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spa_return_val_if_fail(index != NULL, -EINVAL);
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spa_return_val_if_fail(builder != NULL, -EINVAL);
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this = SPA_CONTAINER_OF(node, struct node, node);
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impl = this->impl;
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if (direction != impl->direction)
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return -EINVAL;
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return spa_node_port_enum_params(impl->adapter, direction, port_id, id,
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index, filter, result, builder);
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}
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static int negotiate_format(struct impl *impl)
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{
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struct node *this = &impl->node;
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uint32_t state;
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struct spa_pod *format;
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uint8_t buffer[4096];
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struct spa_pod_builder b = { 0 };
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struct pw_type *t = impl->t;
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int res;
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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spa_log_info(this->log, "%p: negiotiate", impl);
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state = 0;
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if ((res = spa_node_port_enum_params(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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t->param.idEnumFormat, &state,
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NULL, &format, &b)) <= 0)
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return -ENOTSUP;
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spa_debug_pod(format, SPA_DEBUG_FLAG_FORMAT);
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state = 0;
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if ((res = spa_node_port_enum_params(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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t->param.idEnumFormat, &state,
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format, &format, &b)) <= 0)
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return -ENOTSUP;
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spa_pod_fixate(format);
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spa_debug_pod(format, SPA_DEBUG_FLAG_FORMAT);
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if ((res = spa_node_port_set_param(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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t->param.idFormat, 0,
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format)) < 0)
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return res;
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if ((res = spa_node_port_set_param(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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t->param.idFormat, 0,
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format)) < 0)
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return res;
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return res;
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}
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static int negotiate_buffers(struct impl *impl)
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{
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struct node *this = &impl->node;
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struct pw_type *t = impl->t;
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uint8_t buffer[4096];
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struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
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uint32_t state;
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struct spa_pod *param = NULL;
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int res, i;
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bool in_alloc, out_alloc;
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int32_t size, buffers, blocks, align, flags;
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uint32_t *aligns, data_size;
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struct spa_data *datas;
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const struct spa_port_info *in_info, *out_info;
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struct spa_buffer_alloc_info info = { 0, };
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void *skel;
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spa_log_info(this->log, "%p: %d", impl, impl->n_buffers);
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if (impl->n_buffers > 0)
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return 0;
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state = 0;
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if ((res = spa_node_port_enum_params(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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t->param.idBuffers, &state,
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param, ¶m, &b)) < 0)
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return res;
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if (res == 0)
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param = NULL;
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else
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spa_debug_pod(param, 0);
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state = 0;
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if ((res = spa_node_port_enum_params(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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t->param.idBuffers, &state,
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param, ¶m, &b)) <= 0)
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return -ENOTSUP;
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spa_pod_fixate(param);
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spa_debug_pod(param, 0);
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if ((res = spa_node_port_get_info(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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&out_info)) < 0)
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return res;
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if ((res = spa_node_port_get_info(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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&in_info)) < 0)
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return res;
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in_alloc = SPA_FLAG_CHECK(in_info->flags, SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS);
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out_alloc = SPA_FLAG_CHECK(out_info->flags, SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS);
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flags = 0;
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if (out_alloc || in_alloc) {
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flags |= SPA_BUFFER_ALLOC_FLAG_NO_DATA;
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if (out_alloc)
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in_alloc = false;
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}
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if (spa_pod_object_parse(param,
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":", t->param_buffers.buffers, "i", &buffers,
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":", t->param_buffers.blocks, "i", &blocks,
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":", t->param_buffers.size, "i", &size,
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":", t->param_buffers.align, "i", &align,
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NULL) < 0)
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return -EINVAL;
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size *= 4;
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datas = alloca(sizeof(struct spa_data) * blocks);
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memset(datas, 0, sizeof(struct spa_data) * blocks);
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aligns = alloca(sizeof(uint32_t) * blocks);
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for (i = 0; i < blocks; i++) {
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datas[i].type = t->data.MemPtr;
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datas[i].maxsize = size;
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aligns[i] = align;
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}
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spa_buffer_alloc_fill_info(&info, 0, NULL, blocks, datas, aligns);
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info.skel_size = SPA_ROUND_UP_N(info.skel_size, 16);
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impl->buffers = calloc(blocks, sizeof(struct spa_buffer *) + info.skel_size);
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if (impl->buffers == NULL)
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return -ENOMEM;
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skel = SPA_MEMBER(impl->buffers, sizeof(struct spa_buffer *) * blocks, void);
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data_size = info.meta_size + info.chunk_size + info.data_size;
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if ((res = pw_memblock_alloc(PW_MEMBLOCK_FLAG_WITH_FD |
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PW_MEMBLOCK_FLAG_MAP_READWRITE |
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PW_MEMBLOCK_FLAG_SEAL, blocks * data_size,
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&impl->mem)) < 0)
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return res;
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impl->n_buffers = blocks;
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spa_buffer_alloc_layout_array(&info, impl->n_buffers, impl->buffers,
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skel, impl->mem->ptr);
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if (in_alloc) {
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if ((res = spa_node_port_alloc_buffers(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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NULL, 0,
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impl->buffers, &impl->n_buffers)) < 0)
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return res;
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}
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else {
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if ((res = spa_node_port_use_buffers(impl->adapter,
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SPA_DIRECTION_INPUT, 0,
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impl->buffers, impl->n_buffers)) < 0)
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return res;
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}
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if (out_alloc) {
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if ((res = spa_node_port_alloc_buffers(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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NULL, 0,
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impl->buffers, &impl->n_buffers)) < 0)
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return res;
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}
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else {
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if ((res = spa_node_port_use_buffers(impl->cnode,
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SPA_DIRECTION_OUTPUT, 0,
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impl->buffers, impl->n_buffers)) < 0)
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return res;
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}
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return 0;
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}
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static int
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impl_node_port_set_param(struct spa_node *node,
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enum spa_direction direction, uint32_t port_id,
|
||||
uint32_t id, uint32_t flags,
|
||||
const struct spa_pod *param)
|
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{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
struct pw_type *t;
|
||||
int res;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
t = impl->t;
|
||||
|
||||
if (direction != impl->direction)
|
||||
return -EINVAL;
|
||||
|
||||
if ((res = spa_node_port_set_param(impl->adapter, direction, port_id, id,
|
||||
flags, param)) < 0)
|
||||
return res;
|
||||
|
||||
if (id == t->param.idFormat) {
|
||||
if (param == NULL) {
|
||||
}
|
||||
else {
|
||||
if (port_id == 0)
|
||||
res = negotiate_format(impl);
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_set_io(struct spa_node *node,
|
||||
enum spa_direction direction,
|
||||
uint32_t port_id,
|
||||
uint32_t id,
|
||||
void *data, size_t size)
|
||||
{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
|
||||
if (direction != impl->direction)
|
||||
return -EINVAL;
|
||||
|
||||
return spa_node_port_set_io(impl->adapter, direction, port_id, id, data, size);
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_use_buffers(struct spa_node *node,
|
||||
enum spa_direction direction,
|
||||
uint32_t port_id,
|
||||
struct spa_buffer **buffers,
|
||||
uint32_t n_buffers)
|
||||
{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
int res;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
|
||||
if (direction != impl->direction)
|
||||
return -EINVAL;
|
||||
|
||||
if ((res = spa_node_port_use_buffers(impl->adapter,
|
||||
direction, port_id, buffers, n_buffers)) < 0)
|
||||
return res;
|
||||
|
||||
|
||||
spa_log_info(this->log, "%p: %d %d", impl, n_buffers, port_id);
|
||||
|
||||
if (n_buffers > 0) {
|
||||
if (port_id == 0)
|
||||
res = negotiate_buffers(impl);
|
||||
}
|
||||
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_alloc_buffers(struct spa_node *node,
|
||||
enum spa_direction direction,
|
||||
uint32_t port_id,
|
||||
struct spa_pod **params,
|
||||
uint32_t n_params,
|
||||
struct spa_buffer **buffers,
|
||||
uint32_t *n_buffers)
|
||||
{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
|
||||
if (direction != impl->direction)
|
||||
return -EINVAL;
|
||||
|
||||
return spa_node_port_alloc_buffers(impl->adapter, direction, port_id,
|
||||
params, n_params, buffers, n_buffers);
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_reuse_buffer(struct spa_node *node, uint32_t port_id, uint32_t buffer_id)
|
||||
{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
|
||||
return spa_node_port_reuse_buffer(impl->adapter, port_id, buffer_id);
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_send_command(struct spa_node *node,
|
||||
enum spa_direction direction,
|
||||
uint32_t port_id, const struct spa_command *command)
|
||||
{
|
||||
struct node *this;
|
||||
struct impl *impl;
|
||||
int res;
|
||||
|
||||
spa_return_val_if_fail(node != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(command != NULL, -EINVAL);
|
||||
|
||||
this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
impl = this->impl;
|
||||
|
||||
if (direction != impl->direction)
|
||||
return -EINVAL;
|
||||
|
||||
if ((res = spa_node_port_send_command(impl->adapter, direction, port_id, command)) < 0)
|
||||
return res;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int impl_node_process(struct spa_node *node)
|
||||
{
|
||||
struct node *this = SPA_CONTAINER_OF(node, struct node, node);
|
||||
struct impl *impl = this->impl;
|
||||
int status;
|
||||
|
||||
spa_log_trace(this->log, "%p: process", this);
|
||||
|
||||
status = spa_node_process(impl->adapter);
|
||||
|
||||
if (impl->client_port_mix.io->status == SPA_STATUS_NEED_BUFFER)
|
||||
spa_graph_run(impl->client_node->node->rt.node.graph);
|
||||
|
||||
if (status == SPA_STATUS_HAVE_BUFFER)
|
||||
spa_graph_node_trigger(&impl->this.node->rt.node);
|
||||
|
||||
return SPA_STATUS_OK;
|
||||
}
|
||||
|
||||
static const struct spa_node impl_node = {
|
||||
SPA_VERSION_NODE,
|
||||
NULL,
|
||||
impl_node_enum_params,
|
||||
impl_node_set_param,
|
||||
impl_node_send_command,
|
||||
impl_node_set_callbacks,
|
||||
impl_node_get_n_ports,
|
||||
impl_node_get_port_ids,
|
||||
impl_node_add_port,
|
||||
impl_node_remove_port,
|
||||
impl_node_port_get_info,
|
||||
impl_node_port_enum_params,
|
||||
impl_node_port_set_param,
|
||||
impl_node_port_use_buffers,
|
||||
impl_node_port_alloc_buffers,
|
||||
impl_node_port_set_io,
|
||||
impl_node_port_reuse_buffer,
|
||||
impl_node_port_send_command,
|
||||
impl_node_process,
|
||||
};
|
||||
|
||||
static int
|
||||
node_init(struct node *this,
|
||||
struct spa_dict *info,
|
||||
const struct spa_support *support,
|
||||
uint32_t n_support)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < n_support; i++) {
|
||||
if (strcmp(support[i].type, SPA_TYPE__Log) == 0)
|
||||
this->log = support[i].data;
|
||||
else if (strcmp(support[i].type, SPA_TYPE__TypeMap) == 0)
|
||||
this->map = support[i].data;
|
||||
}
|
||||
if (this->map == NULL) {
|
||||
spa_log_error(this->log, "a type map is needed");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
this->node = impl_node;
|
||||
|
||||
this->seq = 1;
|
||||
|
||||
return SPA_RESULT_RETURN_ASYNC(this->seq++);
|
||||
}
|
||||
|
||||
static void client_node_initialized(void *data)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
uint32_t n_input_ports, n_output_ports, max_input_ports, max_output_ports, state;
|
||||
uint32_t media_type, media_subtype;
|
||||
struct pw_type *t = impl->t;
|
||||
struct spa_pod *format;
|
||||
uint8_t buffer[4096];
|
||||
struct spa_pod_builder b;
|
||||
int res;
|
||||
|
||||
pw_log_debug("client-stream %p: initialized", &impl->this);
|
||||
|
||||
// impl->client_node->node->rt.node.graph->parent = &impl->this.node->rt.node;
|
||||
|
||||
spa_graph_node_trigger(&impl->this.node->rt.node);
|
||||
|
||||
impl->cnode = pw_node_get_implementation(impl->client_node->node);
|
||||
|
||||
if ((res = spa_node_get_n_ports(impl->cnode,
|
||||
&n_input_ports,
|
||||
&max_input_ports,
|
||||
&n_output_ports,
|
||||
&max_output_ports)) < 0)
|
||||
return;
|
||||
|
||||
if (n_input_ports > 0)
|
||||
impl->direction = SPA_DIRECTION_INPUT;
|
||||
else
|
||||
impl->direction = SPA_DIRECTION_OUTPUT;
|
||||
|
||||
state = 0;
|
||||
spa_pod_builder_init(&b, buffer, sizeof(buffer));
|
||||
if ((res = spa_node_port_enum_params(impl->cnode,
|
||||
impl->direction, 0,
|
||||
t->param.idEnumFormat, &state,
|
||||
NULL, &format, &b)) <= 0)
|
||||
return;
|
||||
|
||||
spa_pod_object_parse(format,
|
||||
"I", &media_type,
|
||||
"I", &media_subtype);
|
||||
|
||||
pw_log_debug("client-stream %p: %s/%s", &impl->this,
|
||||
spa_type_map_get_type(t->map, media_type),
|
||||
spa_type_map_get_type(t->map, media_subtype));
|
||||
|
||||
if ((impl->adapter = pw_load_spa_interface("audioconvert/libspa-audioconvert",
|
||||
"splitter", SPA_TYPE__Node, NULL, 0)) == NULL)
|
||||
return;
|
||||
|
||||
impl->client_port = pw_node_find_port(impl->client_node->node, impl->direction, 0);
|
||||
if (impl->client_port == NULL)
|
||||
return;
|
||||
|
||||
if ((res = pw_port_init_mix(impl->client_port, &impl->client_port_mix)) < 0)
|
||||
return;
|
||||
|
||||
if ((res = spa_node_port_set_io(impl->adapter,
|
||||
SPA_DIRECTION_INPUT, 0,
|
||||
t->io.Buffers,
|
||||
impl->client_port_mix.io,
|
||||
sizeof(impl->client_port_mix.io))) < 0)
|
||||
return;
|
||||
|
||||
if ((res = spa_node_port_set_io(&impl->client_port->mix_node,
|
||||
SPA_DIRECTION_OUTPUT, 0,
|
||||
t->io.Buffers,
|
||||
impl->client_port_mix.io,
|
||||
sizeof(impl->client_port_mix.io))) < 0)
|
||||
return;
|
||||
|
||||
pw_node_register(impl->this.node, NULL, NULL, NULL);
|
||||
|
||||
pw_log_debug("client-stream %p: activating", &impl->this);
|
||||
|
||||
pw_node_set_active(impl->this.node, true);
|
||||
}
|
||||
|
||||
static void client_node_free(void *data)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
pw_log_debug("client-stream %p: free", &impl->this);
|
||||
spa_hook_remove(&impl->client_node_listener);
|
||||
impl->client_node = NULL;
|
||||
}
|
||||
|
||||
|
||||
static void client_node_async_complete(void *data, uint32_t seq, int res)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
struct node *node = &impl->node;
|
||||
|
||||
pw_log_debug("client-stream %p: async complete %d %d", &impl->this, seq, res);
|
||||
node->callbacks->done(node->callbacks_data, seq, res);
|
||||
}
|
||||
|
||||
static const struct pw_node_events client_node_events = {
|
||||
PW_VERSION_NODE_EVENTS,
|
||||
.free = client_node_free,
|
||||
.initialized = client_node_initialized,
|
||||
.async_complete = client_node_async_complete,
|
||||
};
|
||||
|
||||
static void node_free(void *data)
|
||||
{
|
||||
struct impl *impl = data;
|
||||
|
||||
pw_log_debug("client-stream %p: free", &impl->this);
|
||||
spa_hook_remove(&impl->client_node_listener);
|
||||
|
||||
if (impl->client_node)
|
||||
pw_client_node_destroy(impl->client_node);
|
||||
|
||||
free(impl);
|
||||
}
|
||||
|
||||
static const struct pw_node_events node_events = {
|
||||
PW_VERSION_NODE_EVENTS,
|
||||
.free = node_free,
|
||||
};
|
||||
|
||||
/** Create a new client stream
|
||||
* \param client an owner \ref pw_client
|
||||
* \param id an id
|
||||
* \param name a name
|
||||
* \param properties extra properties
|
||||
* \return a newly allocated client stream
|
||||
*
|
||||
* Create a new \ref pw_stream.
|
||||
*
|
||||
* \memberof pw_client_stream
|
||||
*/
|
||||
struct pw_client_stream *pw_client_stream_new(struct pw_resource *resource,
|
||||
struct pw_properties *properties)
|
||||
{
|
||||
struct impl *impl;
|
||||
struct pw_client_stream *this;
|
||||
struct pw_client *client = pw_resource_get_client(resource);
|
||||
struct pw_core *core = pw_client_get_core(client);
|
||||
const struct spa_support *support;
|
||||
uint32_t n_support;
|
||||
const char *name;
|
||||
|
||||
impl = calloc(1, sizeof(struct impl));
|
||||
if (impl == NULL)
|
||||
return NULL;
|
||||
|
||||
this = &impl->this;
|
||||
|
||||
impl->core = core;
|
||||
impl->t = pw_core_get_type(core);
|
||||
|
||||
pw_log_debug("client-stream %p: new", impl);
|
||||
|
||||
impl->client_node = pw_client_node_new(resource, properties, false);
|
||||
if (impl->client_node == NULL)
|
||||
goto error_no_node;
|
||||
|
||||
support = pw_core_get_support(impl->core, &n_support);
|
||||
|
||||
node_init(&impl->node, NULL, support, n_support);
|
||||
impl->node.impl = impl;
|
||||
|
||||
if ((name = pw_properties_get(properties, "node.name")) == NULL)
|
||||
name = "client-stream";
|
||||
|
||||
this->node = pw_spa_node_new(core,
|
||||
client,
|
||||
NULL,
|
||||
name,
|
||||
PW_SPA_NODE_FLAG_ASYNC,
|
||||
&impl->node.node,
|
||||
NULL,
|
||||
properties, 0);
|
||||
if (this->node == NULL)
|
||||
goto error_no_node;
|
||||
|
||||
this->node->remote = true;
|
||||
|
||||
pw_node_add_listener(impl->client_node->node, &impl->client_node_listener, &client_node_events, impl);
|
||||
pw_node_add_listener(this->node, &impl->node_listener, &node_events, impl);
|
||||
|
||||
return this;
|
||||
|
||||
error_no_node:
|
||||
pw_resource_destroy(resource);
|
||||
free(impl);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/** Destroy a client stream
|
||||
* \param stream the client stream to destroy
|
||||
* \memberof pw_client_stream
|
||||
*/
|
||||
void pw_client_stream_destroy(struct pw_client_stream *stream)
|
||||
{
|
||||
struct impl *impl = SPA_CONTAINER_OF(stream, struct impl, this);
|
||||
pw_client_node_destroy(impl->client_node);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue