| /* | |
| * 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 | |
| */ | |
| 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); | |