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little docing and 3 error messages so far

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This commit is contained in:
Christian Thaeter 2007-07-15 02:46:44 +02:00
parent a313ea87a5
commit a06edceb2c
1 changed files with 20 additions and 0 deletions
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20
src/lib/plugin.h
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@ -100,12 +100,32 @@ cinelerra_interface_close (struct cinelerra_interface* self);
int
cinelerra_plugin_unload (const char* plugin);
/**
* Tries to unload plugins which are not in use.
* Calls cinelerra_plugin_unload() for each Plugin which is not used for more than age seconds.
* This function might be infrequently called by the scheduler to remove things which are not needed.
* @param age timeout in seconds when to unload plugins
*/
void
cinelerra_plugin_expire (time_t age);
/**
* Query and reset the error state.
* report last error, reset error state. Errors are thread local.
* Error strings are guaranteed to point to a C string with a unique comparable address.
* Note that the error state gets cleared by calling this function. The application may store it temporary for further handling.
* @return pointer to one of the error C-strings, NULL when no error happened.
*/
const char*
cinelerra_plugin_error ();
/// Plugin not found
extern const char* CINELERRA_PLUGIN_ENFOUND;
/// no such interface
extern const char* CINELERRA_PLUGIN_ENIFACE;
/// revision not sufficient
extern const char* CINELERRA_PLUGIN_EREVISION;
#ifdef __cplusplus
} /* extern "C" */
#endif