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67 lines
1.9 KiB
67 lines
1.9 KiB
/* |
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* Copyright (C) 2023 Nuo Mi |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVUTIL_EXECUTOR_H |
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#define AVUTIL_EXECUTOR_H |
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typedef struct AVExecutor AVExecutor; |
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typedef struct AVTask AVTask; |
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struct AVTask { |
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AVTask *next; |
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}; |
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typedef struct AVTaskCallbacks { |
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void *user_data; |
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int local_context_size; |
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// return 1 if a's priority > b's priority |
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int (*priority_higher)(const AVTask *a, const AVTask *b); |
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// task is ready for run |
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int (*ready)(const AVTask *t, void *user_data); |
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// run the task |
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int (*run)(AVTask *t, void *local_context, void *user_data); |
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} AVTaskCallbacks; |
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/** |
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* Alloc executor |
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* @param callbacks callback structure for executor |
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* @param thread_count worker thread number, 0 for run on caller's thread directly |
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* @return return the executor |
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*/ |
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AVExecutor* av_executor_alloc(const AVTaskCallbacks *callbacks, int thread_count); |
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/** |
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* Free executor |
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* @param e pointer to executor |
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*/ |
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void av_executor_free(AVExecutor **e); |
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/** |
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* Add task to executor |
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* @param e pointer to executor |
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* @param t pointer to task. If NULL, it will wakeup one work thread |
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*/ |
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void av_executor_execute(AVExecutor *e, AVTask *t); |
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#endif //AVUTIL_EXECUTOR_H
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