1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVUTIL_SLICETHREAD_H
20 #define AVUTIL_SLICETHREAD_H
21
23
24 /**
25 * Create slice threading context.
26 * @param pctx slice threading context returned here
27 * @param priv private pointer to be passed to callback function
28 * @param worker_func callback function to be executed
29 * @param main_func special callback function, called from main thread, may be NULL
30 * @param nb_threads number of threads, 0 for automatic, must be >= 0
31 * @return return number of threads or negative AVERROR on failure
32 */
34 void (*
worker_func)(
void *priv,
int jobnr,
int threadnr,
int nb_jobs,
int nb_threads),
36 int nb_threads);
37
38 /**
39 * Execute slice threading.
40 * @param ctx slice threading context
41 * @param nb_jobs number of jobs, must be > 0
42 * @param execute_main also execute main_func
43 */
45
46 /**
47 * Destroy slice threading context.
48 * @param pctx pointer to context
49 */
51
52 #endif