talk/app/webrtc/java/jni/native_handle_impl.cc

/*
 * libjingle
 * Copyright 2015 Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 */

#include "talk/app/webrtc/java/jni/native_handle_impl.h"

#include "webrtc/base/checks.h"

namespace webrtc_jni {

NativeHandleImpl::NativeHandleImpl(JNIEnv* jni,
                                   jint j_oes_texture_id,
                                   jfloatArray j_transform_matrix)
    : oes_texture_id(j_oes_texture_id) {
  RTC_CHECK_EQ(16, jni->GetArrayLength(j_transform_matrix));
  jfloat* transform_matrix_ptr =
      jni->GetFloatArrayElements(j_transform_matrix, nullptr);
  for (int i = 0; i < 16; ++i) {
    sampling_matrix[i] = transform_matrix_ptr[i];
  }
  jni->ReleaseFloatArrayElements(j_transform_matrix, transform_matrix_ptr, 0);
}

}  // namespace webrtc_jni