/media/libvpx/vpx_scale/yv12config.h
http://github.com/zpao/v8monkey · C Header · 73 lines · 38 code · 13 blank · 22 comment · 0 complexity · 640feb1e2a3babd663268d55e5c46f6f MD5 · raw file
- /*
- * 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;
- int flags;
- } 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);
- #ifdef __cplusplus
- }
- #endif
- #endif /*YV12_CONFIG_H*/