/* | |
* 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 AVSliceThread AVSliceThread; | |
/** | |
* Create slice threading context. | |
* @param pctx slice threading context returned here | |
* @param priv private pointer to be passed to callback function | |
* @param worker_func callback function to be executed | |
* @param main_func special callback function, called from main thread, may be NULL | |
* @param nb_threads number of threads, 0 for automatic, must be >= 0 | |
* @return return number of threads or negative AVERROR on failure | |
*/ | |
int avpriv_slicethread_create(AVSliceThread **pctx, void *priv, | |
void (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads), | |
void (*main_func)(void *priv), | |
int nb_threads); | |
/** | |
* Execute slice threading. | |
* @param ctx slice threading context | |
* @param nb_jobs number of jobs, must be > 0 | |
* @param execute_main also execute main_func | |
*/ | |
void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main); | |
/** | |
* Destroy slice threading context. | |
* @param pctx pointer to context | |
*/ | |
void avpriv_slicethread_free(AVSliceThread **pctx); | |