71 строка
1.6 KiB
C
71 строка
1.6 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license and patent
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* grant that can be found in the LICENSE file in the root of the source
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* tree. All contributing project authors may be found in the AUTHORS
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* file in the root of the source tree.
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*/
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#ifndef YV12_CONFIG_H
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#define YV12_CONFIG_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define VP7BORDERINPIXELS 48
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#define VP8BORDERINPIXELS 32
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/*************************************
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For INT_YUV:
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Y = (R+G*2+B)/4;
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U = (R-B)/2;
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V = (G*2 - R - B)/4;
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And
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R = Y+U-V;
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G = Y+V;
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B = Y-U-V;
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************************************/
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typedef enum
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{
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REG_YUV = 0, // Regular yuv
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INT_YUV = 1 // The type of yuv that can be tranfer to and from RGB through integer transform
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}
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YUV_TYPE;
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typedef struct
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{
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int y_width;
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int y_height;
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int y_stride;
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// int yinternal_width;
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int uv_width;
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int uv_height;
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int uv_stride;
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// int uvinternal_width;
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unsigned char *y_buffer;
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unsigned char *u_buffer;
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unsigned char *v_buffer;
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unsigned char *buffer_alloc;
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int border;
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int frame_size;
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YUV_TYPE clrtype;
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} YV12_BUFFER_CONFIG;
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int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border);
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int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
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int vp8_yv12_black_frame_buffer(YV12_BUFFER_CONFIG *ybf);
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#ifdef __cplusplus
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}
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#endif
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#endif //YV12_CONFIG_H
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