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loop: move to plugin

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Move the loop implementation to a plugin.
Organize the hooks in a list so that we can add many.
This commit is contained in:
Wim Taymans 2017-06-14 16:10:07 +02:00
parent f55f1739e1
commit 4a219e81dd
14 changed files with 935 additions and 651 deletions
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22
spa/include/spa/loop.h
View file

@ -37,6 +37,7 @@ struct spa_loop_utils;
#define SPA_TYPE_LOOP__DataLoop SPA_TYPE_LOOP_BASE "DataLoop"
#include <spa/defs.h>
#include <spa/list.h>
enum spa_io {
SPA_IO_IN = (1 << 0),
@ -95,7 +96,14 @@ struct spa_loop {
#define spa_loop_remove_source(l,...) (l)->remove_source(__VA_ARGS__)
#define spa_loop_invoke(l,...) (l)->invoke((l),__VA_ARGS__)
typedef void (*spa_loop_hook_t) (struct spa_loop_control *ctrl, void *data);
/** Control hooks */
struct spa_loop_control_hooks {
struct spa_list link;
/** Executed right before waiting for events */
void (*before) (const struct spa_loop_control_hooks *hooks);
/** Executed right after waiting for events */
void (*after) (const struct spa_loop_control_hooks *hooks);
};
/**
* spa_loop_control:
@ -109,10 +117,12 @@ struct spa_loop_control {
int (*get_fd) (struct spa_loop_control *ctrl);
void (*set_hooks) (struct spa_loop_control *ctrl,
spa_loop_hook_t pre_hook,
spa_loop_hook_t post_hook,
void *data);
/** Add a hook
* \param ctrl the control to change
* \param hooks the new hooks
* \param old location to store previous hooks */
void (*add_hooks) (struct spa_loop_control *ctrl,
struct spa_loop_control_hooks *hooks);
void (*enter) (struct spa_loop_control *ctrl);
void (*leave) (struct spa_loop_control *ctrl);
@ -121,7 +131,7 @@ struct spa_loop_control {
};
#define spa_loop_control_get_fd(l) (l)->get_fd(l)
#define spa_loop_control_set_hooks(l,...) (l)->set_hooks((l),__VA_ARGS__)
#define spa_loop_control_add_hooks(l,...) (l)->add_hooks((l),__VA_ARGS__)
#define spa_loop_control_enter(l) (l)->enter(l)
#define spa_loop_control_iterate(l,...) (l)->iterate((l),__VA_ARGS__)
#define spa_loop_control_leave(l) (l)->leave(l)

13
spa/include/spa/plugin.h
View file

@ -85,6 +85,17 @@ struct spa_support {
void *data;
};
static inline void *spa_support_find(const struct spa_support *support,
uint32_t n_support,
const char *type)
{
uint32_t i;
for (i = 0; i < n_support; i++)
if (strcmp(support->type, type) == 0)
return support->data;
return NULL;
}
#define SPA_SUPPORT_INIT(type,data) (struct spa_support) { (type), (data) }
struct spa_handle_factory {
@ -182,6 +193,8 @@ typedef int (*spa_handle_factory_enum_func_t) (const struct spa_handle_factory *
*/
int spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t index);
void spa_handle_factory_register(const struct spa_handle_factory *factory);
#ifdef __cplusplus
} /* extern "C" */
#endif