| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 | #include "config.h" | ||
| 24 | |||
| 25 | #include <stdlib.h> | ||
| 26 | |||
| 27 | #include "libavutil/error.h" | ||
| 28 | #include "jni.h" | ||
| 29 | |||
| 30 | #if CONFIG_JNI | ||
| 31 | #include <jni.h> | ||
| 32 | #include <pthread.h> | ||
| 33 | |||
| 34 | #include "libavutil/log.h" | ||
| 35 | #include "ffjni.h" | ||
| 36 | |||
| 37 | static void *java_vm; | ||
| 38 | static void *android_app_ctx; | ||
| 39 | static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; | ||
| 40 | |||
| 41 | int av_jni_set_java_vm(void *vm, void *log_ctx) | ||
| 42 | { | ||
| 43 | int ret = 0; | ||
| 44 | |||
| 45 | pthread_mutex_lock(&lock); | ||
| 46 | if (java_vm == NULL) { | ||
| 47 | java_vm = vm; | ||
| 48 | } else if (java_vm != vm) { | ||
| 49 | ret = AVERROR(EINVAL); | ||
| 50 | av_log(log_ctx, AV_LOG_ERROR, "A Java virtual machine has already been set"); | ||
| 51 | } | ||
| 52 | pthread_mutex_unlock(&lock); | ||
| 53 | |||
| 54 | return ret; | ||
| 55 | } | ||
| 56 | |||
| 57 | void *av_jni_get_java_vm(void *log_ctx) | ||
| 58 | { | ||
| 59 | void *vm; | ||
| 60 | |||
| 61 | pthread_mutex_lock(&lock); | ||
| 62 | vm = java_vm; | ||
| 63 | pthread_mutex_unlock(&lock); | ||
| 64 | |||
| 65 | return vm; | ||
| 66 | } | ||
| 67 | |||
| 68 | #else | ||
| 69 | |||
| 70 | ✗ | int av_jni_set_java_vm(void *vm, void *log_ctx) | |
| 71 | { | ||
| 72 | ✗ | return AVERROR(ENOSYS); | |
| 73 | } | ||
| 74 | |||
| 75 | ✗ | void *av_jni_get_java_vm(void *log_ctx) | |
| 76 | { | ||
| 77 | ✗ | return NULL; | |
| 78 | } | ||
| 79 | |||
| 80 | #endif | ||
| 81 | |||
| 82 | #if defined(__ANDROID__) | ||
| 83 | |||
| 84 | int av_jni_set_android_app_ctx(void *app_ctx, void *log_ctx) | ||
| 85 | { | ||
| 86 | #if CONFIG_JNI | ||
| 87 | jobjectRefType type; | ||
| 88 | |||
| 89 | JNIEnv *env = ff_jni_get_env(log_ctx); | ||
| 90 | if (!env) | ||
| 91 | return AVERROR(EINVAL); | ||
| 92 | |||
| 93 | type = (*env)->GetObjectRefType(env, app_ctx); | ||
| 94 | if (type != JNIGlobalRefType) { | ||
| 95 | av_log(log_ctx, AV_LOG_ERROR, "Application context must be passed as a global reference"); | ||
| 96 | return AVERROR(EINVAL); | ||
| 97 | } | ||
| 98 | |||
| 99 | pthread_mutex_lock(&lock); | ||
| 100 | android_app_ctx = app_ctx; | ||
| 101 | pthread_mutex_unlock(&lock); | ||
| 102 | |||
| 103 | return 0; | ||
| 104 | #else | ||
| 105 | return AVERROR(ENOSYS); | ||
| 106 | #endif | ||
| 107 | } | ||
| 108 | |||
| 109 | void *av_jni_get_android_app_ctx(void) | ||
| 110 | { | ||
| 111 | #if CONFIG_JNI | ||
| 112 | void *ctx; | ||
| 113 | |||
| 114 | pthread_mutex_lock(&lock); | ||
| 115 | ctx = android_app_ctx; | ||
| 116 | pthread_mutex_unlock(&lock); | ||
| 117 | |||
| 118 | return ctx; | ||
| 119 | #else | ||
| 120 | return NULL; | ||
| 121 | #endif | ||
| 122 | } | ||
| 123 | |||
| 124 | #endif | ||
| 125 |