mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2026-02-21 01:40:34 -05:00
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
|
/* PipeWire */
|
||
|
|
/* SPDX-FileCopyrightText: Copyright © 2025 Alexandre Malki <alexandre.malki@kebag-logic.com> */
|
||
|
|
/* SPDX-License-Identifier: MIT */
|
||
|
|
|
||
|
|
|
||
|
|
#include "es-builder.h"
|
||
|
|
#include "aecp-aem-descriptors.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief The goal of this modules is to create a an entity and
|
||
|
|
* attache the necessary status or resources to it so they
|
||
|
|
* do no have to be seperated and referenced somewhere else.
|
||
|
|
*
|
||
|
|
* In a sense, it encapsulates the descriptor, and the states
|
||
|
|
* information that will be altered either by a aecp/acmp commands
|
||
|
|
* or internal state changes reflected into the counters.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** The callback type used for the different entity descriptor */
|
||
|
|
typedef void* (*es_builder_cb_t) (struct server *server, uint16_t type,
|
||
|
|
uint16_t index, size_t size, void *ptr);
|
||
|
|
|
||
|
|
/** Structure holding all necessary cb
|
||
|
|
* \todo for the future of compatibility between milan's version
|
||
|
|
* and plain AVB, add the right callback, that would reduce
|
||
|
|
* code complexity and increase reusability.
|
||
|
|
* As well as having multiple entity model defined using different
|
||
|
|
* entity on the same machine
|
||
|
|
*/
|
||
|
|
struct es_builder_st {
|
||
|
|
es_builder_cb_t build_descriptor_cb;
|
||
|
|
};
|
||
|
|
|
||
|
|
/** All callback that needs a status information */
|
||
|
|
static const struct es_builder_st es_builder[AVB_AEM_DESC_LAST_RESERVED_17221] =
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \brief, should be called when creating an a descriptor, it will attach
|
||
|
|
* the right state variable that are necessary for counters, stream info
|
||
|
|
* and so on...
|
||
|
|
*/
|
||
|
|
void es_builder_add_descriptor(struct server *server, uint16_t type,
|
||
|
|
uint16_t index, size_t size, void *ptr_aem)
|
||
|
|
{
|
||
|
|
void *desc_ptr;
|
||
|
|
struct descriptor *d;
|
||
|
|
|
||
|
|
if (!server) {
|
||
|
|
pw_log_error("Invalid server, it is empty %p\n", server);
|
||
|
|
spa_assert(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (type >= AVB_AEM_DESC_LAST_RESERVED_17221) {
|
||
|
|
pw_log_error("Invalid Type %u\n", type);
|
||
|
|
spa_assert(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Look if the descriptor has a callback to attach more status data */
|
||
|
|
if (!es_builder[type].build_descriptor_cb) {
|
||
|
|
if (!server_add_descriptor(server, type, index, size, ptr_aem)) {
|
||
|
|
pw_log_error("Could not allocate descriptor %u at "
|
||
|
|
"index %u the avb aem type\n", type, index);
|
||
|
|
|
||
|
|
spa_assert(0);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
desc_ptr = es_builder[type].build_descriptor_cb(server, type,
|
||
|
|
index, size, ptr_aem);
|
||
|
|
if (!desc_ptr) {
|
||
|
|
pw_log_error("Could not allocate specific descriptr "
|
||
|
|
"%u at index %u the avb aem type\n",
|
||
|
|
type, index);
|
||
|
|
|
||
|
|
spa_assert(0);
|
||
|
|
}
|
||
|
|
d = (struct descriptor *) desc_ptr;
|
||
|
|
d->size = size;
|
||
|
|
}
|
||
|
|
}
|