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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 YV12_CONFIG_H
     12 #define YV12_CONFIG_H
     13 
     14 #ifdef __cplusplus
     15 extern "C" {
     16 #endif
     17 
     18 #include "vpx/vpx_integer.h"
     19 
     20 #define VP8BORDERINPIXELS       32
     21 #define VP9INNERBORDERINPIXELS  96
     22 #define VP9BORDERINPIXELS      160
     23 #define VP9_INTERP_EXTEND        4
     24 
     25   typedef struct yv12_buffer_config {
     26     int   y_width;
     27     int   y_height;
     28     int   y_crop_width;
     29     int   y_crop_height;
     30     int   y_stride;
     31     /*    int   yinternal_width; */
     32 
     33     int   uv_width;
     34     int   uv_height;
     35     int   uv_crop_width;
     36     int   uv_crop_height;
     37     int   uv_stride;
     38     /*    int   uvinternal_width; */
     39 
     40     int   alpha_width;
     41     int   alpha_height;
     42     int   alpha_stride;
     43 
     44     uint8_t *y_buffer;
     45     uint8_t *u_buffer;
     46     uint8_t *v_buffer;
     47     uint8_t *alpha_buffer;
     48 
     49     uint8_t *buffer_alloc;
     50     int buffer_alloc_sz;
     51     int border;
     52     int frame_size;
     53 
     54     int corrupted;
     55     int flags;
     56   } YV12_BUFFER_CONFIG;
     57 
     58   int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
     59                                   int width, int height, int border);
     60   int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
     61                                     int width, int height, int border);
     62   int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
     63 
     64   int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
     65                              int width, int height, int ss_x, int ss_y,
     66                              int border);
     67   int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
     68                                int width, int height, int ss_x, int ss_y,
     69                                int border);
     70   int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
     71 
     72 #ifdef __cplusplus
     73 }
     74 #endif
     75 
     76 #endif  // YV12_CONFIG_H
     77