diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index a4fcce3b42..da1a1aa945 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -43,6 +43,7 @@ OBJS = ac3_parser.o                                                     \
        dirac.o                                                          \
        dv_profile.o                                                     \
        encode.o                                                         \
+       executor.o                                                       \
        get_buffer.o                                                     \
        imgconvert.o                                                     \
        jni.o                                                            \
diff --git a/libavcodec/executor.c b/libavcodec/executor.c
new file mode 100644
index 0000000000..f8fc7c33ab
--- /dev/null
+++ b/libavcodec/executor.c
@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) 2024 Nuo Mi
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include <stdbool.h>
+
+#include "libavutil/mem.h"
+#include "libavutil/thread.h"
+
+#include "executor.h"
+
+#if !HAVE_THREADS
+
+#define ExecutorThread  char
+
+#define executor_thread_create(t, a, s, ar)      0
+#define executor_thread_join(t, r)               do {} while(0)
+
+#else
+
+#define ExecutorThread  pthread_t
+
+#define executor_thread_create(t, a, s, ar)      pthread_create(t, a, s, ar)
+#define executor_thread_join(t, r)               pthread_join(t, r)
+
+#endif //!HAVE_THREADS
+
+typedef struct ThreadInfo {
+    AVExecutor *e;
+    ExecutorThread thread;
+} ThreadInfo;
+
+struct AVExecutor {
+    AVTaskCallbacks cb;
+    int thread_count;
+    bool recursive;
+
+    ThreadInfo *threads;
+    uint8_t *local_contexts;
+
+    AVMutex lock;
+    AVCond cond;
+    int die;
+
+    AVTask *tasks;
+};
+
+static AVTask* remove_task(AVTask **prev, AVTask *t)
+{
+    *prev  = t->next;
+    t->next = NULL;
+    return t;
+}
+
+static void add_task(AVTask **prev, AVTask *t)
+{
+    t->next = *prev;
+    *prev   = t;
+}
+
+static int run_one_task(AVExecutor *e, void *lc)
+{
+    AVTaskCallbacks *cb = &e->cb;
+    AVTask **prev;
+
+    for (prev = &e->tasks; *prev && !cb->ready(*prev, cb->user_data); prev = &(*prev)->next)
+        /* nothing */;
+    if (*prev) {
+        AVTask *t = remove_task(prev, *prev);
+        if (e->thread_count > 0)
+            ff_mutex_unlock(&e->lock);
+        cb->run(t, lc, cb->user_data);
+        if (e->thread_count > 0)
+            ff_mutex_lock(&e->lock);
+        return 1;
+    }
+    return 0;
+}
+
+#if HAVE_THREADS
+static void *executor_worker_task(void *data)
+{
+    ThreadInfo *ti = (ThreadInfo*)data;
+    AVExecutor *e  = ti->e;
+    void *lc       = e->local_contexts + (ti - e->threads) * e->cb.local_context_size;
+
+    ff_mutex_lock(&e->lock);
+    while (1) {
+        if (e->die) break;
+
+        if (!run_one_task(e, lc)) {
+            //no task in one loop
+            ff_cond_wait(&e->cond, &e->lock);
+        }
+    }
+    ff_mutex_unlock(&e->lock);
+    return NULL;
+}
+#endif
+
+static void executor_free(AVExecutor *e, const int has_lock, const int has_cond)
+{
+    if (e->thread_count) {
+        //signal die
+        ff_mutex_lock(&e->lock);
+        e->die = 1;
+        ff_cond_broadcast(&e->cond);
+        ff_mutex_unlock(&e->lock);
+
+        for (int i = 0; i < e->thread_count; i++)
+            executor_thread_join(e->threads[i].thread, NULL);
+    }
+    if (has_cond)
+        ff_cond_destroy(&e->cond);
+    if (has_lock)
+        ff_mutex_destroy(&e->lock);
+
+    av_free(e->threads);
+    av_free(e->local_contexts);
+
+    av_free(e);
+}
+
+AVExecutor* ff_executor_alloc(const AVTaskCallbacks *cb, int thread_count)
+{
+    AVExecutor *e;
+    int has_lock = 0, has_cond = 0;
+    if (!cb || !cb->user_data || !cb->ready || !cb->run || !cb->priority_higher)
+        return NULL;
+
+    e = av_mallocz(sizeof(*e));
+    if (!e)
+        return NULL;
+    e->cb = *cb;
+
+    e->local_contexts = av_calloc(FFMAX(thread_count, 1), e->cb.local_context_size);
+    if (!e->local_contexts)
+        goto free_executor;
+
+    e->threads = av_calloc(FFMAX(thread_count, 1), sizeof(*e->threads));
+    if (!e->threads)
+        goto free_executor;
+
+    if (!thread_count)
+        return e;
+
+    has_lock = !ff_mutex_init(&e->lock, NULL);
+    has_cond = !ff_cond_init(&e->cond, NULL);
+
+    if (!has_lock || !has_cond)
+        goto free_executor;
+
+    for (/* nothing */; e->thread_count < thread_count; e->thread_count++) {
+        ThreadInfo *ti = e->threads + e->thread_count;
+        ti->e = e;
+        if (executor_thread_create(&ti->thread, NULL, executor_worker_task, ti))
+            goto free_executor;
+    }
+    return e;
+
+free_executor:
+    executor_free(e, has_lock, has_cond);
+    return NULL;
+}
+
+void ff_executor_free(AVExecutor **executor)
+{
+    int thread_count;
+
+    if (!executor || !*executor)
+        return;
+    thread_count = (*executor)->thread_count;
+    executor_free(*executor, thread_count, thread_count);
+    *executor = NULL;
+}
+
+void ff_executor_execute(AVExecutor *e, AVTask *t)
+{
+    AVTaskCallbacks *cb = &e->cb;
+    AVTask **prev;
+
+    if (e->thread_count)
+        ff_mutex_lock(&e->lock);
+    if (t) {
+        for (prev = &e->tasks; *prev && cb->priority_higher(*prev, t); prev = &(*prev)->next)
+            /* nothing */;
+        add_task(prev, t);
+    }
+    if (e->thread_count) {
+        ff_cond_signal(&e->cond);
+        ff_mutex_unlock(&e->lock);
+    }
+
+    if (!e->thread_count || !HAVE_THREADS) {
+        if (e->recursive)
+            return;
+        e->recursive = true;
+        // We are running in a single-threaded environment, so we must handle all tasks ourselves
+        while (run_one_task(e, e->local_contexts))
+            /* nothing */;
+        e->recursive = false;
+    }
+}
diff --git a/libavcodec/executor.h b/libavcodec/executor.h
new file mode 100644
index 0000000000..05d4b1e189
--- /dev/null
+++ b/libavcodec/executor.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2024 Nuo Mi
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * We still need several refactors to improve the current VVC decoder's performance,
+ * which will frequently break the API/ABI. To mitigate this, we've copied the executor from
+ * avutil to avcodec. Once the API/ABI is stable, we will move this class back to avutil
+ */
+
+#ifndef AVCODEC_EXECUTOR_H
+#define AVCODEC_EXECUTOR_H
+
+typedef struct AVExecutor AVExecutor;
+typedef struct AVTask AVTask;
+
+struct AVTask {
+    AVTask *next;
+};
+
+typedef struct AVTaskCallbacks {
+    void *user_data;
+
+    int local_context_size;
+
+    // return 1 if a's priority > b's priority
+    int (*priority_higher)(const AVTask *a, const AVTask *b);
+
+    // task is ready for run
+    int (*ready)(const AVTask *t, void *user_data);
+
+    // run the task
+    int (*run)(AVTask *t, void *local_context, void *user_data);
+} AVTaskCallbacks;
+
+/**
+ * Alloc executor
+ * @param callbacks callback structure for executor
+ * @param thread_count worker thread number, 0 for run on caller's thread directly
+ * @return return the executor
+ */
+AVExecutor* ff_executor_alloc(const AVTaskCallbacks *callbacks, int thread_count);
+
+/**
+ * Free executor
+ * @param e  pointer to executor
+ */
+void ff_executor_free(AVExecutor **e);
+
+/**
+ * Add task to executor
+ * @param e pointer to executor
+ * @param t pointer to task. If NULL, it will wakeup one work thread
+ */
+void ff_executor_execute(AVExecutor *e, AVTask *t);
+
+#endif //AVCODEC_EXECUTOR_H
diff --git a/libavcodec/vvc/thread.c b/libavcodec/vvc/thread.c
index 86a7753c6a..72f5c51382 100644
--- a/libavcodec/vvc/thread.c
+++ b/libavcodec/vvc/thread.c
@@ -22,7 +22,7 @@
 
 #include <stdatomic.h>
 
-#include "libavutil/executor.h"
+#include "libavcodec/executor.h"
 #include "libavutil/mem.h"
 #include "libavutil/thread.h"
 
@@ -109,7 +109,7 @@ static void add_task(VVCContext *s, VVCTask *t)
 
     atomic_fetch_add(&ft->nb_scheduled_tasks, 1);
 
-    av_executor_execute(s->executor, &t->u.task);
+    ff_executor_execute(s->executor, &t->u.task);
 }
 
 static void task_init(VVCTask *t, VVCTaskStage stage, VVCFrameContext *fc, const int rx, const int ry)
@@ -692,12 +692,12 @@ AVExecutor* ff_vvc_executor_alloc(VVCContext *s, const int thread_count)
         task_ready,
         task_run,
     };
-    return av_executor_alloc(&callbacks, thread_count);
+    return ff_executor_alloc(&callbacks, thread_count);
 }
 
 void ff_vvc_executor_free(AVExecutor **e)
 {
-    av_executor_free(e);
+    ff_executor_free(e);
 }
 
 void ff_vvc_frame_thread_free(VVCFrameContext *fc)
