74 строки
1.7 KiB
C
74 строки
1.7 KiB
C
/*
|
|
* 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
|
|
|
|
#define VP7BORDERINPIXELS 48
|
|
#define VP8BORDERINPIXELS 32
|
|
|
|
/*************************************
|
|
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
|
|
{
|
|
int y_width;
|
|
int y_height;
|
|
int y_stride;
|
|
/* int yinternal_width; */
|
|
|
|
int uv_width;
|
|
int uv_height;
|
|
int uv_stride;
|
|
/* int uvinternal_width; */
|
|
|
|
unsigned char *y_buffer;
|
|
unsigned char *u_buffer;
|
|
unsigned char *v_buffer;
|
|
|
|
unsigned char *buffer_alloc;
|
|
int border;
|
|
int frame_size;
|
|
YUV_TYPE clrtype;
|
|
|
|
int corrupted;
|
|
} YV12_BUFFER_CONFIG;
|
|
|
|
int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border);
|
|
int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
|
|
int vp8_yv12_black_frame_buffer(YV12_BUFFER_CONFIG *ybf);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /*YV12_CONFIG_H*/
|