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/* |
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* JNI public API functions |
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* |
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* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com> |
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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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#include "config.h" |
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#include <stdlib.h> |
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#include "libavutil/error.h" |
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#include "jni.h" |
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#if CONFIG_JNI |
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#include <jni.h> |
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#include <pthread.h> |
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#include "libavutil/log.h" |
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#include "ffjni.h" |
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static void *java_vm; |
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static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; |
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int av_jni_set_java_vm(void *vm, void *log_ctx) |
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{ |
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int ret = 0; |
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pthread_mutex_lock(&lock); |
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if (java_vm == NULL) { |
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java_vm = vm; |
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} else if (java_vm != vm) { |
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ret = AVERROR(EINVAL); |
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av_log(log_ctx, AV_LOG_ERROR, "A Java virtual machine has already been set"); |
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} |
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pthread_mutex_unlock(&lock); |
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return ret; |
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} |
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void *av_jni_get_java_vm(void *log_ctx) |
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{ |
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void *vm; |
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pthread_mutex_lock(&lock); |
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vm = java_vm; |
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pthread_mutex_unlock(&lock); |
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return vm; |
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} |
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#else |
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int av_jni_set_java_vm(void *vm, void *log_ctx) |
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{ |
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return AVERROR(ENOSYS); |
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} |
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void *av_jni_get_java_vm(void *log_ctx) |
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{ |
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return NULL; |
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} |
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#endif |
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