mirror of
https://github.com/RetroDECK/Duckstation.git
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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
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/*
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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
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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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