ref: 56d01ee0a6cb3c73943db5d07e16554f6ac40fc9
dir: /vpx_scale/yv12config.h/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef YV12_CONFIG_H #define YV12_CONFIG_H #ifdef __cplusplus extern "C" { #endif #include "vpx/vpx_integer.h" #define VP8BORDERINPIXELS 32 #define VP9BORDERINPIXELS 64 #define VP9_INTERP_EXTEND 4 /************************************* For INT_YUV: Y = (R+G*2+B)/4; U = (R-B)/2; V = (G*2 - R - B)/4; And R = Y+U-V; G = Y+V; B = Y-U-V; ************************************/ typedef enum { REG_YUV = 0, /* Regular yuv */ INT_YUV = 1 /* The type of yuv that can be tranfer to and from RGB through integer transform */ } YUV_TYPE; typedef struct yv12_buffer_config { int y_width; int y_height; int y_crop_width; int y_crop_height; int y_stride; /* int yinternal_width; */ int uv_width; int uv_height; int uv_stride; /* int uvinternal_width; */ uint8_t *y_buffer; uint8_t *u_buffer; uint8_t *v_buffer; uint8_t *buffer_alloc; int buffer_alloc_sz; int border; int frame_size; YUV_TYPE clrtype; int corrupted; int flags; } YV12_BUFFER_CONFIG; int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border); int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border); int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf); #ifdef __cplusplus } #endif #endif // YV12_CONFIG_H