diff options
Diffstat (limited to 'libavcodec/jni.c')
-rw-r--r-- | libavcodec/jni.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libavcodec/jni.c b/libavcodec/jni.c new file mode 100644 index 0000000..85dcf2a --- /dev/null +++ b/libavcodec/jni.c @@ -0,0 +1,79 @@ +/* + * JNI public API functions + * + * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com> + * + * 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 + */ + +#include "config.h" + +#include <stdlib.h> + +#include "libavutil/error.h" +#include "jni.h" + +#if CONFIG_JNI +#include <jni.h> +#include <pthread.h> + +#include "libavutil/log.h" +#include "ffjni.h" + +void *java_vm; +pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; + +int av_jni_set_java_vm(void *vm, void *log_ctx) +{ + int ret = 0; + + pthread_mutex_lock(&lock); + if (java_vm == NULL) { + java_vm = vm; + } else if (java_vm != vm) { + ret = AVERROR(EINVAL); + av_log(log_ctx, AV_LOG_ERROR, "A Java virtual machine has already been set"); + } + pthread_mutex_unlock(&lock); + + return ret; +} + +void *av_jni_get_java_vm(void *log_ctx) +{ + void *vm; + + pthread_mutex_lock(&lock); + vm = java_vm; + pthread_mutex_unlock(&lock); + + return vm; +} + +#else + +int av_jni_set_java_vm(void *vm, void *log_ctx) +{ + return AVERROR(ENOSYS); +} + +void *av_jni_get_java_vm(void *log_ctx) +{ + return NULL; +} + +#endif |