/* * 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
*/
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)
{
AVSliceThread *ctx; int nb_workers, i; int ret;
av_assert0(nb_threads >= 0); if (!nb_threads) { int nb_cpus = av_cpu_count(); if (nb_cpus > 1)
nb_threads = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS); else
nb_threads = 1;
}
nb_workers = nb_threads; if (!main_func)
nb_workers--;
*pctx = ctx = av_mallocz(sizeof(*ctx)); if (!ctx) return AVERROR(ENOMEM);
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)
{
*pctx = NULL; return AVERROR(ENOSYS);
}
void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main)
{
av_assert0(0);
}
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