43464e94ed
Golden and ALT reference buffers were refreshed by copying from the new buffer. Replaced this by index manipulation. Also moved all the reference frame updates to one function for easier tracking. Change-Id: Icd3e534e7e2c8c5567168d222e6a64a96aae24a1
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* Copyright (c) 2010 The WebM 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
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS 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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int corrupted;
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int flags;
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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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#ifdef __cplusplus
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}
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#endif
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#endif /*YV12_CONFIG_H*/
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