UvosSmartHomeInterface/src/pipewire.cpp

72 lines
1.9 KiB
C++

#include "pipewire.h"
#include <stdexcept>
#include <QDebug>
static const struct pw_registry_events registry_events = {
.version = PW_VERSION_REGISTRY_EVENTS,
.global = &PipeWireHandler::registryEventHandler,
.global_remove = nullptr
};
PipeWireHandler::PipeWireHandler()
{
loop = pw_thread_loop_new("SHinterface", nullptr);
if(!loop)
throw std::runtime_error("Could not create pipewire main loop");
context = pw_context_new(pw_thread_loop_get_loop(loop), nullptr, 0);
if(!context)
throw std::runtime_error("Could not create pipewire context");
core = pw_context_connect(context, NULL, 0);
if(!core)
throw std::runtime_error("Could not connect to pipewire");
registry = pw_core_get_registry(core, PW_VERSION_REGISTRY, 0);
if(!registry)
throw std::runtime_error("Could not get pipewire registry");
spa_zero(registryListener);
pw_registry_add_listener(registry, &registryListener, &registry_events, this);
}
bool PipeWireHandler::startLoop()
{
if(!loop || !context || !core || !registry)
return false;
int ret = pw_thread_loop_start(loop);
return ret == 0;
}
struct pw_registry* PipeWireHandler::getRegistry()
{
return registry;
}
void PipeWireHandler::registryEventHandler(void *data, uint32_t id,
uint32_t permissions, const char *type, uint32_t version,
const struct spa_dict *props)
{
(void)permissions;
(void)version;
PipeWireHandler* handler = static_cast<PipeWireHandler*>(data);
if(std::string(type) == PW_TYPE_INTERFACE_Node)
{
const struct spa_dict_item *item = spa_dict_lookup_item(props, "node.name");
if(item)
{
qDebug()<<"got new pipewire node:"<<id<<"name:"<<item->value;
handler->nodeAdded({id, item->value});
}
}
}
PipeWireHandler::~PipeWireHandler()
{
pw_core_disconnect(core);
pw_context_destroy(context);
pw_thread_loop_stop(loop);
}