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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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35
spa/plugins/support/cpu.c
View file

@ -33,6 +33,7 @@
#include <spa/support/cpu.h>
#include <spa/support/plugin.h>
#include <spa/utils/type.h>
#include <spa/utils/hook.h>
#define NAME "cpu"
@ -57,18 +58,18 @@ struct impl {
#endif
static uint32_t
impl_cpu_get_flags(struct spa_cpu *cpu)
impl_cpu_get_flags(void *object)
{
struct impl *impl = SPA_CONTAINER_OF(cpu, struct impl, cpu);
struct impl *impl = object;
if (impl->force != SPA_CPU_FORCE_AUTODETECT)
return impl->force;
return impl->flags;
}
static int
impl_cpu_force_flags(struct spa_cpu *cpu, uint32_t flags)
impl_cpu_force_flags(void *object, uint32_t flags)
{
struct impl *impl = SPA_CONTAINER_OF(cpu, struct impl, cpu);
struct impl *impl = object;
impl->force = flags;
return 0;
}
@ -83,26 +84,25 @@ static uint32_t get_count(struct impl *this)
}
static uint32_t
impl_cpu_get_count(struct spa_cpu *cpu)
impl_cpu_get_count(void *object)
{
struct impl *impl = SPA_CONTAINER_OF(cpu, struct impl, cpu);
struct impl *impl = object;
return impl->count;
}
static uint32_t
impl_cpu_get_max_align(struct spa_cpu *cpu)
impl_cpu_get_max_align(void *object)
{
struct impl *impl = SPA_CONTAINER_OF(cpu, struct impl, cpu);
struct impl *impl = object;
return impl->max_align;
}
static const struct spa_cpu impl_cpu = {
SPA_VERSION_CPU,
NULL,
impl_cpu_get_flags,
impl_cpu_force_flags,
impl_cpu_get_count,
impl_cpu_get_max_align,
static const struct spa_cpu_methods impl_cpu = {
SPA_VERSION_CPU_METHODS,
.get_flags = impl_cpu_get_flags,
.force_flags = impl_cpu_force_flags,
.get_count = impl_cpu_get_count,
.get_max_align = impl_cpu_get_max_align,
};
static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **interface)
@ -152,7 +152,10 @@ impl_init(const struct spa_handle_factory *factory,
this = (struct impl *) handle;
this->cpu = impl_cpu;
this->cpu.iface = SPA_INTERFACE_INIT(
SPA_TYPE_INTERFACE_CPU,
SPA_VERSION_CPU,
&impl_cpu, this);
for (i = 0; i < n_support; i++) {
if (support[i].type == SPA_TYPE_INTERFACE_Log)