mirror of
https://github.com/FFmpeg/FFmpeg.git
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53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
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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_SLICETHREAD_H
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#define AVUTIL_SLICETHREAD_H
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typedef struct AVSliceThread AVSliceThread;
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/**
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* Create slice threading context.
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* @param pctx slice threading context returned here
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* @param priv private pointer to be passed to callback function
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* @param worker_func callback function to be executed
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* @param main_func special callback function, called from main thread, may be NULL
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* @param nb_threads number of threads, 0 for automatic, must be >= 0
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* @return return number of threads or negative AVERROR on failure
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*/
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int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
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void (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
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void (*main_func)(void *priv),
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int nb_threads);
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/**
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* Execute slice threading.
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* @param ctx slice threading context
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* @param nb_jobs number of jobs, must be > 0
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* @param execute_main also execute main_func
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*/
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void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main);
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/**
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* Destroy slice threading context.
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* @param pctx pointer to context
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*/
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void avpriv_slicethread_free(AVSliceThread **pctx);
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#endif
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