FFmpeg
jni.h
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1 /*
2  * JNI public API functions
3  *
4  * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_JNI_H
24 #define AVCODEC_JNI_H
25 
26 /*
27  * Manually set a Java virtual machine which will be used to retrieve the JNI
28  * environment. Once a Java VM is set it cannot be changed afterwards, meaning
29  * you can call multiple times av_jni_set_java_vm with the same Java VM pointer
30  * however it will error out if you try to set a different Java VM.
31  *
32  * @param vm Java virtual machine
33  * @param log_ctx context used for logging, can be NULL
34  * @return 0 on success, < 0 otherwise
35  */
36 int av_jni_set_java_vm(void *vm, void *log_ctx);
37 
38 /*
39  * Get the Java virtual machine which has been set with av_jni_set_java_vm.
40  *
41  * @param vm Java virtual machine
42  * @return a pointer to the Java virtual machine
43  */
44 void *av_jni_get_java_vm(void *log_ctx);
45 
46 /*
47  * Set the Android application context which will be used to retrieve the Android
48  * content resolver to handle content uris.
49  *
50  * This function is only available on Android.
51  *
52  * @param app_ctx global JNI reference to the Android application context
53  * @return 0 on success, < 0 otherwise
54  */
55 int av_jni_set_android_app_ctx(void *app_ctx, void *log_ctx);
56 
57 /*
58  * Get the Android application context that has been set with
59  * av_jni_set_android_app_ctx.
60  *
61  * This function is only available on Android.
62  *
63  * @return a pointer the the Android application context
64  */
65 void *av_jni_get_android_app_ctx(void);
66 
67 #endif /* AVCODEC_JNI_H */
av_jni_set_android_app_ctx
int av_jni_set_android_app_ctx(void *app_ctx, void *log_ctx)
av_jni_set_java_vm
int av_jni_set_java_vm(void *vm, void *log_ctx)
Definition: jni.c:70
av_jni_get_java_vm
void * av_jni_get_java_vm(void *log_ctx)
Definition: jni.c:75
av_jni_get_android_app_ctx
void * av_jni_get_android_app_ctx(void)