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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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20
spa/include/spa/support/log-impl.h
View file

@ -33,7 +33,7 @@ extern "C" {
#include <spa/support/log.h>
static inline void spa_log_impl_logv(struct spa_log *log,
static inline void spa_log_impl_logv(void *object,
enum spa_log_level level,
const char *file,
int line,
@ -49,7 +49,7 @@ static inline void spa_log_impl_logv(struct spa_log *log,
levels[level], strrchr(file, '/') + 1, line, func, text);
fputs(location, stderr);
}
static inline void spa_log_impl_log(struct spa_log *log,
static inline void spa_log_impl_log(void *object,
enum spa_log_level level,
const char *file,
int line,
@ -58,24 +58,26 @@ static inline void spa_log_impl_log(struct spa_log *log,
{
va_list args;
va_start(args, fmt);
spa_log_impl_logv(log, level, file, line, func, fmt, args);
spa_log_impl_logv(object, level, file, line, func, fmt, args);
va_end(args);
}
#define SPA_LOG_IMPL_DEFINE(name) \
struct { \
struct spa_log log; \
struct spa_log_methods methods; \
} name
#define SPA_LOG_IMPL_INIT \
{ { SPA_VERSION_LOG, \
SPA_LOG_LEVEL_INFO, \
NULL, \
spa_log_impl_log, \
#define SPA_LOG_IMPL_INIT(name) \
{ { { SPA_TYPE_INTERFACE_Log, SPA_VERSION_LOG, \
SPA_CALLBACKS_INIT(&name.methods, &name) }, \
SPA_LOG_LEVEL_INFO, }, \
{ SPA_VERSION_LOG_METHODS, \
spa_log_impl_log, \
spa_log_impl_logv,} }
#define SPA_LOG_IMPL(name) \
SPA_LOG_IMPL_DEFINE(name) = SPA_LOG_IMPL_INIT
SPA_LOG_IMPL_DEFINE(name) = SPA_LOG_IMPL_INIT(name)
#ifdef __cplusplus
} /* extern "C" */