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ffmpeg-4.2.2/libavcodec/jni.h 1.61 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * 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
   */
  
  #ifndef AVCODEC_JNI_H
  #define AVCODEC_JNI_H
  
  /*
   * Manually set a Java virtual machine which will be used to retrieve the JNI
   * environment. Once a Java VM is set it cannot be changed afterwards, meaning
   * you can call multiple times av_jni_set_java_vm with the same Java VM pointer
   * however it will error out if you try to set a different Java VM.
   *
   * @param vm Java virtual machine
   * @param log_ctx context used for logging, can be NULL
   * @return 0 on success, < 0 otherwise
   */
  int av_jni_set_java_vm(void *vm, void *log_ctx);
  
  /*
   * Get the Java virtual machine which has been set with av_jni_set_java_vm.
   *
   * @param vm Java virtual machine
   * @return a pointer to the Java virtual machine
   */
  void *av_jni_get_java_vm(void *log_ctx);
  
  #endif /* AVCODEC_JNI_H */