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/*
* 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 FFExecutor FFExecutor;
typedef struct FFTask FFTask;
struct FFTask {
FFTask *next;
int priority; // task priority should >= 0 and < AVTaskCallbacks.priorities
};
typedef struct FFTaskCallbacks {
void *user_data;
int local_context_size;
// how many priorities do we have？
int priorities;
// run the task
int (*run)(FFTask *t, void *local_context, void *user_data);
} FFTaskCallbacks;
/**
* 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
*/
FFExecutor* ff_executor_alloc(const FFTaskCallbacks *callbacks, int thread_count);
/**
* Free executor
* @param e pointer to executor
*/
void ff_executor_free(FFExecutor **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(FFExecutor *e, FFTask *t);
#endif //AVCODEC_EXECUTOR_H
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