nengel@2: /*
nengel@2:  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
nengel@2:  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
nengel@2:  *
nengel@2:  * This file is part of FFmpeg.
nengel@2:  *
nengel@2:  * FFmpeg is free software; you can redistribute it and/or
nengel@2:  * modify it under the terms of the GNU Lesser General Public
nengel@2:  * License as published by the Free Software Foundation; either
nengel@2:  * version 2.1 of the License, or (at your option) any later version.
nengel@2:  *
nengel@2:  * FFmpeg is distributed in the hope that it will be useful,
nengel@2:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nengel@2:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
nengel@2:  * Lesser General Public License for more details.
nengel@2:  *
nengel@2:  * You should have received a copy of the GNU Lesser General Public
nengel@2:  * License along with FFmpeg; if not, write to the Free Software
nengel@2:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
nengel@2:  */
nengel@2: 
nengel@2: /**
nengel@2:  * @file
nengel@2:  * H.264 / AVC / MPEG4 prediction functions.
nengel@2:  * @author Michael Niedermayer <michaelni@gmx.at>
nengel@2:  */
nengel@2: 
nengel@2: #ifndef AVCODEC_H264PRED_H
nengel@2: #define AVCODEC_H264PRED_H
nengel@2: 
nengel@2: #include "libavutil/common.h"
nengel@2: #include "dsputil.h"
nengel@2: 
nengel@2: /**
nengel@2:  * Prediction types
nengel@2:  */
nengel@2: //@{
nengel@2: #define VERT_PRED             0
nengel@2: #define HOR_PRED              1
nengel@2: #define DC_PRED               2
nengel@2: #define DIAG_DOWN_LEFT_PRED   3
nengel@2: #define DIAG_DOWN_RIGHT_PRED  4
nengel@2: #define VERT_RIGHT_PRED       5
nengel@2: #define HOR_DOWN_PRED         6
nengel@2: #define VERT_LEFT_PRED        7
nengel@2: #define HOR_UP_PRED           8
nengel@2: 
nengel@2: #define LEFT_DC_PRED          9
nengel@2: #define TOP_DC_PRED           10
nengel@2: #define DC_128_PRED           11
nengel@2: 
nengel@2: #define DIAG_DOWN_LEFT_PRED_RV40_NODOWN   12
nengel@2: #define HOR_UP_PRED_RV40_NODOWN           13
nengel@2: #define VERT_LEFT_PRED_RV40_NODOWN        14
nengel@2: 
nengel@2: #define DC_PRED8x8            0
nengel@2: #define HOR_PRED8x8           1
nengel@2: #define VERT_PRED8x8          2
nengel@2: #define PLANE_PRED8x8         3
nengel@2: 
nengel@2: #define LEFT_DC_PRED8x8       4
nengel@2: #define TOP_DC_PRED8x8        5
nengel@2: #define DC_128_PRED8x8        6
nengel@2: 
nengel@2: #define ALZHEIMER_DC_L0T_PRED8x8 7
nengel@2: #define ALZHEIMER_DC_0LT_PRED8x8 8
nengel@2: #define ALZHEIMER_DC_L00_PRED8x8 9
nengel@2: #define ALZHEIMER_DC_0L0_PRED8x8 10
nengel@2: //@}
nengel@2: 
nengel@2: /**
nengel@2:  * Context for storing H.264 prediction functions
nengel@2:  */
nengel@2: typedef struct H264PredContext{
nengel@2:     void (*pred4x4  [9+3+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
nengel@2:     void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
nengel@2:     void (*pred8x8  [4+3+4])(uint8_t *src, int stride);
nengel@2:     void (*pred16x16[4+3])(uint8_t *src, int stride);
nengel@2: 
nengel@2:     void (*pred4x4_add  [2])(uint8_t *pix/*align  4*/, const DCTELEM *block/*align 16*/, int stride);
nengel@2:     void (*pred8x8l_add [2])(uint8_t *pix/*align  8*/, const DCTELEM *block/*align 16*/, int stride);
nengel@2:     void (*pred8x8_add  [3])(uint8_t *pix/*align  8*/, const int *block_offset, const DCTELEM *block/*align 16*/, int stride);
nengel@2:     void (*pred16x16_add[3])(uint8_t *pix/*align 16*/, const int *block_offset, const DCTELEM *block/*align 16*/, int stride);
nengel@2: }H264PredContext;
nengel@2: 
nengel@2: void ff_h264_pred_init(H264PredContext *h);
nengel@2: void ff_h264_pred_init_arm(H264PredContext *h);
nengel@2: 
nengel@2: 
nengel@2: #endif /* AVCODEC_H264PRED_H */