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/* PipeWire
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <spa/monitor/device.h>
#include <spa/monitor/utils.h>
#include <spa/pod/filter.h>
#include <spa/pod/parser.h>
#include <spa/debug/types.h>
#include <pipewire/pipewire.h>
#include "pipewire/private.h"
struct impl {
struct pw_context *context;
struct pw_device *device;
struct spa_hook device_listener;
struct pw_resource *resource;
struct spa_hook resource_listener;
struct spa_hook object_listener;
unsigned int registered:1;
};
static void device_info(void *data, const struct spa_device_info *info)
{
struct impl *impl = data;
if (!impl->registered) {
pw_device_register(impl->device, NULL);
pw_device_set_implementation(impl->device,
(struct spa_device*)impl->resource);
impl->registered = true;
}
}
static const struct spa_device_events object_events = {
SPA_VERSION_DEVICE_EVENTS,
.info = device_info,
};
static void device_resource_destroy(void *data)
{
struct impl *impl = data;
pw_log_debug("client-device %p: destroy", impl);
impl->resource = NULL;
spa_hook_remove(&impl->device_listener);
spa_hook_remove(&impl->resource_listener);
spa_hook_remove(&impl->object_listener);
pw_device_destroy(impl->device);
}
static const struct pw_resource_events resource_events = {
PW_VERSION_RESOURCE_EVENTS,
.destroy = device_resource_destroy,
};
static void device_destroy(void *data)
{
struct impl *impl = data;
pw_log_debug("client-device %p: destroy", impl);
impl->device = NULL;
spa_hook_remove(&impl->device_listener);
spa_hook_remove(&impl->resource_listener);
spa_hook_remove(&impl->object_listener);
pw_resource_destroy(impl->resource);
}
static const struct pw_device_events device_events = {
PW_VERSION_DEVICE_EVENTS,
.destroy = device_destroy,
};
struct pw_device *pw_client_device_new(struct pw_resource *resource,
struct pw_properties *properties)
{
struct impl *impl;
struct pw_device *device;
struct pw_client *client = pw_resource_get_client(resource);
struct pw_context *context = pw_client_get_context(client);
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
if (properties == NULL)
return NULL;
pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d", client->global->id);
device = pw_device_new(context, properties, sizeof(struct impl));
if (device == NULL)
return NULL;
impl = pw_device_get_user_data(device);
impl->device = device;
impl->context = context;
impl->resource = resource;
pw_resource_install_marshal(resource, true);
pw_device_add_listener(impl->device,
&impl->device_listener,
&device_events, impl);
pw_resource_add_listener(impl->resource,
&impl->resource_listener,
&resource_events,
impl);
pw_resource_add_object_listener(impl->resource,
&impl->object_listener,
&object_events,
impl);
return device;
}
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