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pipewire: add helper to load spa plugin

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This commit is contained in:
Wim Taymans 2018-04-05 15:34:33 +02:00
parent 0b4cef586f
commit aada47252d
2 changed files with 26 additions and 10 deletions
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33
src/pipewire/pipewire.c
View file

@ -170,27 +170,40 @@ const struct spa_support *pw_get_support(uint32_t *n_support)
return support_info.support;
}
void *pw_get_spa_dbus(struct pw_loop *loop)
void *pw_load_spa_interface(const char *lib, const char *factory_name, const char *type,
struct spa_support *support, uint32_t n_support)
{
struct support_info dbus_support_info;
struct support_info extra_support_info;
const char *str;
int i;
dbus_support_info.n_support = support_info.n_support;
memcpy(dbus_support_info.support, support_info.support,
sizeof(struct spa_support) * dbus_support_info.n_support);
dbus_support_info.support[dbus_support_info.n_support++] =
SPA_SUPPORT_INIT(SPA_TYPE__LoopUtils, loop->utils);
extra_support_info.n_support = support_info.n_support;
memcpy(extra_support_info.support, support_info.support,
sizeof(struct spa_support) * extra_support_info.n_support);
for (i = 0; i < n_support; i++) {
extra_support_info.support[extra_support_info.n_support++] =
SPA_SUPPORT_INIT(support[i].type, support[i].data);
}
if ((str = getenv("SPA_PLUGIN_DIR")) == NULL)
str = PLUGINDIR;
if (open_support(str, "support/libspa-dbus", &dbus_support_info))
return load_interface(&dbus_support_info, "dbus", SPA_TYPE__DBus);
pw_log_debug("load \"%s\", \"%s\"", lib, factory_name);
if (open_support(str, lib, &extra_support_info))
return load_interface(&extra_support_info, factory_name, type);
return NULL;
}
void *pw_get_spa_dbus(struct pw_loop *loop)
{
struct spa_support support = SPA_SUPPORT_INIT(SPA_TYPE__LoopUtils, loop->utils);
return pw_load_spa_interface("support/libspa-dbus", "dbus", SPA_TYPE__DBus,
&support, 1);
}
/** Initialize PipeWire
*
* \param argc pointer to argc

3
src/pipewire/pipewire.h
View file

@ -132,6 +132,9 @@ pw_direction_reverse(enum pw_direction direction);
void *
pw_get_support_interface(const char *type);
void *pw_load_spa_interface(const char *lib, const char *factory_name, const char *type,
struct spa_support *support, uint32_t n_support);
void *pw_get_spa_dbus(struct pw_loop *loop);
const struct spa_handle_factory *