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ffmpeg-4.2.2/libavcodec/mediacodec_surface.c 1.43 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Android MediaCodec Surface functions
   *
   * Copyright (c) 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 <jni.h>
  
  #include "ffjni.h"
  #include "mediacodec_surface.h"
  
  void *ff_mediacodec_surface_ref(void *surface, void *log_ctx)
  {
      JNIEnv *env = NULL;
  
      void *reference = NULL;
  
      env = ff_jni_get_env(log_ctx);
      if (!env) {
          return NULL;
      }
  
      reference = (*env)->NewGlobalRef(env, surface);
  
      return reference;
  }
  
  int ff_mediacodec_surface_unref(void *surface, void *log_ctx)
  {
      JNIEnv *env = NULL;
  
      env = ff_jni_get_env(log_ctx);
      if (!env) {
          return AVERROR_EXTERNAL;
      }
  
      (*env)->DeleteGlobalRef(env, surface);
  
      return 0;
  }