text: /*
   * Copyright © 2018, VideoLAN and dav1d authors
   * Copyright © 2018, Two Orioles, LLC
   * All rights reserved.
   *
   * 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.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef DAV1D_SRC_DATA_H
  #define DAV1D_SRC_DATA_H
  
  #include "dav1d/data.h"
  
  void dav1d_data_ref(Dav1dData *dst, const Dav1dData *src);
  
  /**
   * Copy the source properties to the destitionatin and increase the
   * user_data's reference count (if it's not NULL).
   */
  void dav1d_data_props_copy(Dav1dDataProps *dst, const Dav1dDataProps *src);
  
  void dav1d_data_props_set_defaults(Dav1dDataProps *props);
  
  uint8_t *dav1d_data_create_internal(Dav1dData *buf, size_t sz);
  int dav1d_data_wrap_internal(Dav1dData *buf, const uint8_t *ptr, size_t sz,
                               void (*free_callback)(const uint8_t *data,
                                                     void *user_data),
                               void *user_data);
  int dav1d_data_wrap_user_data_internal(Dav1dData *buf,
                                         const uint8_t *user_data,
                                         void (*free_callback)(const uint8_t *user_data,
                                                               void *cookie),
                                         void *cookie);
  void dav1d_data_unref_internal(Dav1dData *buf);
  
  #endif /* DAV1D_SRC_DATA_H */
  