text: /*
   * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   *
   * This source code is subject to the terms of the BSD 2 Clause License and
   * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   * was not distributed with this source code in the LICENSE file, you can
   * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   * Media Patent License 1.0 was not distributed with this source code in the
   * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
   */
  
  #ifndef AV1_COMMON_FRAME_BUFFERS_H_
  #define AV1_COMMON_FRAME_BUFFERS_H_
  
  #include "aom/aom_frame_buffer.h"
  #include "aom/aom_integer.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  typedef struct InternalFrameBuffer {
    uint8_t *data;
    size_t size;
    int in_use;
  } InternalFrameBuffer;
  
  typedef struct InternalFrameBufferList {
    int num_internal_frame_buffers;
    InternalFrameBuffer *int_fb;
  } InternalFrameBufferList;
  
  // Initializes |list|. Returns 0 on success.
  int av1_alloc_internal_frame_buffers(InternalFrameBufferList *list);
  
  // Free any data allocated to the frame buffers.
  void av1_free_internal_frame_buffers(InternalFrameBufferList *list);
  
  // Callback used by libaom to request an external frame buffer. |cb_priv|
  // Callback private data, which points to an InternalFrameBufferList.
  // |min_size| is the minimum size in bytes needed to decode the next frame.
  // |fb| pointer to the frame buffer.
  int av1_get_frame_buffer(void *cb_priv, size_t min_size,
                           aom_codec_frame_buffer_t *fb);
  
  // Callback used by libaom when there are no references to the frame buffer.
  // |cb_priv| is not used. |fb| pointer to the frame buffer.
  int av1_release_frame_buffer(void *cb_priv, aom_codec_frame_buffer_t *fb);
  
  #ifdef __cplusplus
  }  // extern "C"
  #endif
  
  #endif  // AV1_COMMON_FRAME_BUFFERS_H_
  