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interface: add an interface struct

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The interface struct has the type,version and methods of the
interface.
Make spa interfaces extend from spa_interface and make a
separate structure for the methods.
Pass a generic void* as the first argument of methods, like
we don in PipeWire.
Bundle the methods + implementation in a versioned inteface
and use that to invoke methods. This way we can do version
checks on the methods.
Make resource and proxy interfaces that we can can call. We
can then make the core interfaces independent on proxy/resource and
hide them in the lower layers.
Add add_listener method to methods of core interfaces, just
like SPA.
This commit is contained in:
Wim Taymans 2019-05-20 16:11:23 +02:00
parent eb6481efb3
commit ff946e3d4b
85 changed files with 3051 additions and 3000 deletions
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30
spa/plugins/support/logger.c
View file

@ -56,7 +56,7 @@ struct impl {
};
static void
impl_log_logv(struct spa_log *log,
impl_log_logv(void *object,
enum spa_log_level level,
const char *file,
int line,
@ -64,7 +64,7 @@ impl_log_logv(struct spa_log *log,
const char *fmt,
va_list args)
{
struct impl *impl = SPA_CONTAINER_OF(log, struct impl, log);
struct impl *impl = object;
char text[512], location[1024];
static const char *levels[] = { "-", "E", "W", "I", "D", "T", "*T*" };
const char *prefix = "", *suffix = "";
@ -107,7 +107,7 @@ impl_log_logv(struct spa_log *log,
static void
impl_log_log(struct spa_log *log,
impl_log_log(void *object,
enum spa_log_level level,
const char *file,
int line,
@ -116,7 +116,7 @@ impl_log_log(struct spa_log *log,
{
va_list args;
va_start(args, fmt);
impl_log_logv(log, level, file, line, func, fmt, args);
impl_log_logv(object, level, file, line, func, fmt, args);
va_end(args);
}
@ -149,12 +149,10 @@ static void on_trace_event(struct spa_source *source)
}
}
static const struct spa_log impl_log = {
SPA_VERSION_LOG,
DEFAULT_LOG_LEVEL,
NULL,
impl_log_log,
impl_log_logv,
static const struct spa_log_methods impl_log = {
SPA_VERSION_LOG_METHODS,
.log = impl_log_log,
.logv = impl_log_logv,
};
static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **interface)
@ -217,7 +215,11 @@ impl_init(const struct spa_handle_factory *factory,
this = (struct impl *) handle;
this->log = impl_log;
this->log.iface = SPA_INTERFACE_INIT(
SPA_TYPE_INTERFACE_Log,
SPA_VERSION_LOG,
&impl_log, this);
this->log.level = DEFAULT_LOG_LEVEL;
for (i = 0; i < n_support; i++) {
if (support[i].type == SPA_TYPE_INTERFACE_MainLoop)
@ -281,7 +283,7 @@ const struct spa_handle_factory spa_support_logger_factory = {
SPA_VERSION_HANDLE_FACTORY,
NAME,
NULL,
impl_get_size,
impl_init,
impl_enum_interface_info,
.get_size = impl_get_size,
.init = impl_init,
.enum_interface_info = impl_enum_interface_info,
};