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/*
* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file h264pred.h
* H.264 / AVC / MPEG4 prediction functions.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#ifndef AVCODEC_H264PRED_H
#define AVCODEC_H264PRED_H
#include "libavutil/common.h"
#include "dsputil.h"
/**
* Prediction types
*/
//@{
#define VERT_PRED 0
#define HOR_PRED 1
#define DC_PRED 2
#define DIAG_DOWN_LEFT_PRED 3
#define DIAG_DOWN_RIGHT_PRED 4
#define VERT_RIGHT_PRED 5
#define HOR_DOWN_PRED 6
#define VERT_LEFT_PRED 7
#define HOR_UP_PRED 8
#define LEFT_DC_PRED 9
#define TOP_DC_PRED 10
#define DC_128_PRED 11
#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12
#define HOR_UP_PRED_RV40_NODOWN 13
#define VERT_LEFT_PRED_RV40_NODOWN 14
#define DC_PRED8x8 0
#define HOR_PRED8x8 1
#define VERT_PRED8x8 2
#define PLANE_PRED8x8 3
#define LEFT_DC_PRED8x8 4
#define TOP_DC_PRED8x8 5
#define DC_128_PRED8x8 6
#define ALZHEIMER_DC_L0T_PRED8x8 7
#define ALZHEIMER_DC_0LT_PRED8x8 8
#define ALZHEIMER_DC_L00_PRED8x8 9
#define ALZHEIMER_DC_0L0_PRED8x8 10
//@}
/**
* Context for storing H.264 prediction functions
*/
typedef struct H264PredContext{
void (*pred4x4 [9+3+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
void (*pred8x8 [4+3+4])(uint8_t *src, int stride);
void (*pred16x16[4+3])(uint8_t *src, int stride);
void (*pred4x4_add [2])(uint8_t *pix/*align 4*/, const DCTELEM *block/*align 16*/, int stride);
void (*pred8x8l_add [2])(uint8_t *pix/*align 8*/, const DCTELEM *block/*align 16*/, int stride);
void (*pred8x8_add [3])(uint8_t *pix/*align 8*/, const int *block_offset, const DCTELEM *block/*align 16*/, int stride);
void (*pred16x16_add[3])(uint8_t *pix/*align 16*/, const int *block_offset, const DCTELEM *block/*align 16*/, int stride);
}H264PredContext;
void ff_h264_pred_init(H264PredContext *h, int codec_id);
#endif /* AVCODEC_H264PRED_H */
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