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refactor(render,timeline,task): switch remaining handles to refcounted value structs

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- oakrender: renderer/texture/frame/cache/colorprocessor/ticket/copier
  all become by-value {ctx, addref, release, abi_version} handles over a
  generic box; retain() folds into addref; new
  oakrender_cache_wrap_borrowed for native caches from oaknode
- oaktimeline: marker list/workarea borrowed handles become value
  handles (non-owning boxes) with explicit free
- oaktask: OakTaskTask becomes a value handle; ownership still moves
  to the manager on start (owns flag flips)
- consumers (timeline/task/codec sources) migrated; tests everywhere
  updated; suites green: render 45, timeline 117, task 106, node 96,
  common 193, codec 18, audio 36
This commit is contained in:
Mike-Solar
2026-08-07 18:05:34 +08:00
parent 67176281d9
commit 0462842f8c
48 changed files with 1462 additions and 919 deletions
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include/task/task.h
+26 -15
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@@ -30,12 +30,21 @@ extern "C" {
#endif
/**
* @brief Opaque handle to a background task (olive::Task).
* @brief Reference-counted handle to a background task (olive::Task).
*
* Tasks are created through the factories in task/project.h (and future
* family headers) and must be released with oaktask_task_free().
* By-value handle (shared_ptr semantics, see oakcommon's
* common/handle.h). Tasks are created through the factories in
* task/project.h (and future family headers) with reference count 1 and
* must be released with oaktask_task_free(). oaktask_task_start()
* transfers the task's lifetime to the task manager: releasing the
* handle afterwards only frees the box.
*/
typedef struct OakTaskTask OakTaskTask;
typedef struct OakTaskTask {
void *ctx; /**< Opaque pointer to the reference-counted object. */
void (*addref)(void *ctx); /**< Atomically increments the count. */
void (*release)(void *ctx); /**< Decrements the count, destroys at 0. */
uint32_t abi_version; /**< OAKTASK_ABI_VERSION. */
} OakTaskTask;
/** @brief Lifecycle event ids for oaktask_task_subscribe(). */
enum OakTaskEvent {
@@ -55,36 +64,38 @@ typedef void (*oaktask_event_fn)(int event_id, double value,
void *userdata);
/**
* @brief Free a task. No-op on NULL. The task must not be running on the
* manager (oaktask_task_cancel + wait first if it is).
* @brief Release one reference to a task. Convenience wrapper around
* t->release(t->ctx): NULL / empty-handle no-op; clears t->ctx
* after releasing. The task must not be running on the manager
* (oaktask_task_cancel + wait first if it is).
*/
void oaktask_task_free(OakTaskTask *t);
/** @brief Run synchronously in the calling thread. 1 = succeeded. */
int oaktask_task_start_sync(OakTaskTask *t);
int oaktask_task_start_sync(OakTaskTask t);
/** @brief Run asynchronously on the task manager. */
int oaktask_task_start(OakTaskTask *t);
int oaktask_task_start(OakTaskTask t);
int oaktask_task_cancel(OakTaskTask *t);
int oaktask_task_cancel(OakTaskTask t);
/** @brief Wait for an asynchronously started task. */
int oaktask_task_wait(OakTaskTask *t);
int oaktask_task_wait(OakTaskTask t);
int oaktask_task_is_finished(const OakTaskTask *t);
int oaktask_task_is_finished(OakTaskTask t);
int oaktask_task_succeeded(const OakTaskTask *t);
int oaktask_task_succeeded(OakTaskTask t);
/** @brief Two-stage string getters. */
int oaktask_task_title(OakTaskTask *t, char *buf, int buf_size);
int oaktask_task_error(OakTaskTask *t, char *buf, int buf_size);
int oaktask_task_title(OakTaskTask t, char *buf, int buf_size);
int oaktask_task_error(OakTaskTask t, char *buf, int buf_size);
/**
* @brief Subscribe to lifecycle events (returns a subscription id >= 0,
* or a negative error code). One-shot per event stream: the
* subscription is dropped after OAKTASK_EVENT_FINISHED.
*/
int64_t oaktask_task_subscribe(OakTaskTask *t, oaktask_event_fn fn,
int64_t oaktask_task_subscribe(OakTaskTask t, oaktask_event_fn fn,
void *userdata);
/** @brief Alive-count for leak assertions in tests. */