diff options
Diffstat (limited to 'src/modules/module-client-device/resource-device.c')
| -rw-r--r-- | src/modules/module-client-device/resource-device.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/modules/module-client-device/resource-device.c b/src/modules/module-client-device/resource-device.c new file mode 100644 index 0000000..0f5a40b --- /dev/null +++ b/src/modules/module-client-device/resource-device.c @@ -0,0 +1,155 @@ +/* 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/impl.h> + +struct impl { + struct pw_context *context; + struct pw_impl_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_impl_device_set_implementation(impl->device, + (struct spa_device*)impl->resource); + pw_impl_device_register(impl->device, NULL); + 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_impl_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 void device_initialized(void *data) +{ + struct impl *impl = data; + struct pw_impl_device *device = impl->device; + struct pw_global *global = pw_impl_device_get_global(device); + uint32_t id = pw_global_get_id(global); + + pw_log_debug("client-device %p: initialized global:%d", impl, id); + pw_resource_set_bound_id(impl->resource, id); +} + +static const struct pw_impl_device_events device_events = { + PW_VERSION_IMPL_DEVICE_EVENTS, + .destroy = device_destroy, + .initialized = device_initialized, +}; + +struct pw_impl_device *pw_client_device_new(struct pw_resource *resource, + struct pw_properties *properties) +{ + struct impl *impl; + struct pw_impl_device *device; + struct pw_impl_client *client = pw_resource_get_client(resource); + struct pw_context *context = pw_impl_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", + pw_impl_client_get_info(client)->id); + + device = pw_context_create_device(context, properties, sizeof(struct impl)); + if (device == NULL) + return NULL; + + impl = pw_impl_device_get_user_data(device); + impl->device = device; + impl->context = context; + impl->resource = resource; + + pw_impl_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; +} |