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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VPX_VP9_COMMON_VP9_ALLOCCOMMON_H_
     12 #define VPX_VP9_COMMON_VP9_ALLOCCOMMON_H_
     13 
     14 #define INVALID_IDX -1  // Invalid buffer index.
     15 
     16 #ifdef __cplusplus
     17 extern "C" {
     18 #endif
     19 
     20 struct VP9Common;
     21 struct BufferPool;
     22 
     23 void vp9_remove_common(struct VP9Common *cm);
     24 
     25 int vp9_alloc_loop_filter(struct VP9Common *cm);
     26 int vp9_alloc_context_buffers(struct VP9Common *cm, int width, int height);
     27 void vp9_init_context_buffers(struct VP9Common *cm);
     28 void vp9_free_context_buffers(struct VP9Common *cm);
     29 
     30 void vp9_free_ref_frame_buffers(struct BufferPool *pool);
     31 void vp9_free_postproc_buffers(struct VP9Common *cm);
     32 
     33 int vp9_alloc_state_buffers(struct VP9Common *cm, int width, int height);
     34 void vp9_free_state_buffers(struct VP9Common *cm);
     35 
     36 void vp9_set_mb_mi(struct VP9Common *cm, int width, int height);
     37 
     38 void vp9_swap_current_and_last_seg_map(struct VP9Common *cm);
     39 
     40 #ifdef __cplusplus
     41 }  // extern "C"
     42 #endif
     43 
     44 #endif  // VPX_VP9_COMMON_VP9_ALLOCCOMMON_H_
     45