| /* |
| * Copyright (C) 2023 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 |
| */ |
| |
| #ifndef AVUTIL_EXECUTOR_H |
| #define AVUTIL_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 |
| * @return return the executor |
| */ |
| AVExecutor* av_executor_alloc(const AVTaskCallbacks *callbacks, int thread_count); |
| |
| /** |
| * Free executor |
| * @param e pointer to executor |
| */ |
| void av_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 av_executor_execute(AVExecutor *e, AVTask *t); |
| |
| #endif //AVUTIL_EXECUTOR_H |